From ff7e08b2bc4acdfeeb5efcaaa3756f9a00acdea2 Mon Sep 17 00:00:00 2001
From: benweet <benoit.schweblin@gmail.com>
Date: Sat, 13 Apr 2013 14:15:27 +0100
Subject: [PATCH] RequireJS optimizer

---
 .gitignore           |     1 +
 cache.manifest       |     2 +-
 index.html           |    16 +-
 js/config.js         |    15 +
 js/core.js           |     3 +-
 js/custo.github.js   |     5 -
 js/custo.js          |     5 -
 js/dropbox-helper.js |     2 +-
 js/main-min.js       |   485 +
 js/main.js           |     7 -
 lib/dropbox.min.js   |     5 +
 optimize.json        |     8 +
 r.js                 | 24531 +++++++++++++++++++++++++++++++++++++++++
 13 files changed, 25060 insertions(+), 25 deletions(-)
 delete mode 100644 js/custo.github.js
 delete mode 100644 js/custo.js
 create mode 100644 js/main-min.js
 create mode 100644 lib/dropbox.min.js
 create mode 100644 optimize.json
 create mode 100644 r.js
diff --git a/.gitignore b/.gitignore
index dd295b6d..bcc8c4ec 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,4 +1,5 @@
 chrome-app*
 .project
 .settings
+node_modules
 
diff --git a/cache.manifest b/cache.manifest
index 1805ef56..3bd7ee3c 100644
--- a/cache.manifest
+++ b/cache.manifest
@@ -1 +1 @@
-CACHE MANIFEST# v35CACHE:index.htmlcss/bootstrap.csscss/jgrowl.csscss/main.cssjs/async-runner.jsjs/bootstrap.jsjs/config.jsjs/core.jsjs/custo.github.jsjs/dropbox-helper.jsjs/github-helper.jsjs/google-helper.jsjs/jgrowl.jsjs/jquery.jsjs/jquery-ui.jsjs/layout.jsjs/main.jsjs/Markdown.Converter.jsjs/Markdown.Editor.jsjs/Markdown.Sanitizer.jsjs/publisher.jsjs/require.jsjs/synchronizer.jsjs/underscore-min.jsimg/ajax-loader.gifimg/glyphicons-halflings.pngimg/glyphicons-halflings-white.pngimg/icons.pngimg/stackedit-32.icoimg/stackedit-promo.pngNETWORK:*
+CACHE MANIFEST# v35CACHE:index.htmlcss/bootstrap.csscss/jgrowl.csscss/main.cssjs/main-min.jsjs/require.jsNETWORK:*
diff --git a/index.html b/index.html
index 1fea1e8e..ab71caa2 100644
--- a/index.html
+++ b/index.html
@@ -12,7 +12,14 @@
 <meta name="author" content="Benoit Schweblin">
 <meta name="viewport" content="width=device-width, initial-scale=1.0">
 <link href="css/main.css" rel="stylesheet" media="screen">
-<script data-main="js/main" src="js/require.js"></script>
+<script>
+	var dep = "main-min";
+	if (location.search.indexOf("debug") !== -1) {
+		dep = "main";
+	}
+	var require = { baseUrl : "js", deps : [ dep ] };
+</script>
+<script src="js/require.js"></script>
 </head>
 <body>
 	<div id="navbar" class="navbar navbar-fixed-top ui-layout-north">
@@ -463,16 +470,15 @@
 				<dd>
 					<a target="_blank" href="http://jquery.com/">jQuery</a>
 				</dd>
-				<dd>
-					<a target="_blank" href="http://layout.jquery-dev.net/">jQuery
-						UI Layout</a>
-				</dd>
 				<dd>
 					<a target="_blank" href="https://code.google.com/p/pagedown/">PageDown</a>
 				</dd>
 				<dd>
 					<a target="_blank" href="http://requirejs.org/">RequireJS</a>
 				</dd>
+                <dd>
+                    <a target="_blank" href="http://layout.jquery-dev.net/">UI Layout</a>
+                </dd>
 			</dl>
 			<p>Copyright 2013 <a target="_blank"
 				href="http://www.benoitschweblin.com">Benoit Schweblin</a><br />
diff --git a/js/config.js b/js/config.js
index 1b3e803a..8bd4776f 100644
--- a/js/config.js
+++ b/js/config.js
@@ -24,3 +24,18 @@ function runDelayedFunction() {
 		delayedFunction();
 	}
 }
+
+// Site dependent
+var BASE_URL = "http://localhost/";
+var GOOGLE_KEY = "AIzaSyAeCU8CGcSkn0z9js6iocHuPBX4f_mMWkw";
+var GOOGLE_CLIENT_ID = '241271498917-lev37kef013q85avc91am1gccg5g8lrb.apps.googleusercontent.com';
+var GITHUB_CLIENT_ID = 'e47fef6055344579799d';
+var GATEKEEPER_URL = "http://stackedit-gatekeeper-localhost.herokuapp.com/";
+
+if(location.hostname.indexOf("benweet.github.io") === 0) {
+	BASE_URL = "http://benweet.github.io/stackedit/";
+	GOOGLE_KEY = "AIzaSyB1Bc1wI_YUWkkOR-5Gri5BFuypgZl0Sxc";
+	GOOGLE_CLIENT_ID = '241271498917-jpto9lls9fqnem1e4h6ppds9uob8rpvu.apps.googleusercontent.com';
+	GITHUB_CLIENT_ID = 'fa0d09514da8377ee32e';
+	GATEKEEPER_URL = "http://stackedit-gatekeeper.herokuapp.com/";
+}
diff --git a/js/core.js b/js/core.js
index 6ea46f4d..3bcd5ead 100644
--- a/js/core.js
+++ b/js/core.js
@@ -1,7 +1,8 @@
 define(
 	[ "jquery", "file-manager", "google-helper", "dropbox-helper",
 		"github-helper", "synchronizer", "publisher", "async-runner",
-		"bootstrap", "jgrowl", "layout", "Markdown.Editor", "config", "custo" ],
+		"bootstrap", "jgrowl", "layout", "Markdown.Editor", "config",
+		"underscore-min" ],
 	function($, fileManager, googleHelper, dropboxHelper, githubHelper,
 		synchronizer, publisher, asyncTaskRunner) {
 	
diff --git a/js/custo.github.js b/js/custo.github.js
deleted file mode 100644
index 87ba57c8..00000000
--- a/js/custo.github.js
+++ /dev/null
@@ -1,5 +0,0 @@
-var BASE_URL = "http://benweet.github.io/stackedit/";
-var GOOGLE_KEY = "AIzaSyB1Bc1wI_YUWkkOR-5Gri5BFuypgZl0Sxc";
-var GOOGLE_CLIENT_ID = '241271498917-jpto9lls9fqnem1e4h6ppds9uob8rpvu.apps.googleusercontent.com';
-var GITHUB_CLIENT_ID = 'fa0d09514da8377ee32e';
-var GATEKEEPER_URL = "http://stackedit-gatekeeper.herokuapp.com/";
\ No newline at end of file
diff --git a/js/custo.js b/js/custo.js
deleted file mode 100644
index 4480b9af..00000000
--- a/js/custo.js
+++ /dev/null
@@ -1,5 +0,0 @@
-var BASE_URL = "http://localhost/";
-var GOOGLE_KEY = "AIzaSyAeCU8CGcSkn0z9js6iocHuPBX4f_mMWkw";
-var GOOGLE_CLIENT_ID = '241271498917-lev37kef013q85avc91am1gccg5g8lrb.apps.googleusercontent.com';
-var GITHUB_CLIENT_ID = 'e47fef6055344579799d';
-var GATEKEEPER_URL = "http://stackedit-gatekeeper-localhost.herokuapp.com/";
\ No newline at end of file
diff --git a/js/dropbox-helper.js b/js/dropbox-helper.js
index e68c320b..aa79aa40 100644
--- a/js/dropbox-helper.js
+++ b/js/dropbox-helper.js
@@ -25,7 +25,7 @@ define(["jquery", "async-runner"], function($, asyncTaskRunner) {
 				return;
 			}
 			$.ajax({
-				url : "lib/dropbox.js",
+				url : "lib/dropbox.min.js",
 				dataType : "script", timeout : AJAX_TIMEOUT
 			}).done(function() {
 				asyncTask.success();
diff --git a/js/main-min.js b/js/main-min.js
new file mode 100644
index 00000000..fc83c4aa
--- /dev/null
+++ b/js/main-min.js
@@ -0,0 +1,485 @@
+/*!
+ * jQuery JavaScript Library v1.9.1
+ * http://jquery.com/
+ *
+ * Includes Sizzle.js
+ * http://sizzlejs.com/
+ *
+ * Copyright 2005, 2012 jQuery Foundation, Inc. and other contributors
+ * Released under the MIT license
+ * http://jquery.org/license
+ *
+ * Date: 2013-2-4
+ */
+
+/*!
+ * Sizzle CSS Selector Engine
+ * Copyright 2012 jQuery Foundation and other contributors
+ * Released under the MIT license
+ * http://sizzlejs.com/
+ */
+
+/* ===================================================
+ * bootstrap-transition.js v2.3.0
+ * http://twitter.github.com/bootstrap/javascript.html#transitions
+ * ===================================================
+ * Copyright 2012 Twitter, Inc.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ * ========================================================== */
+
+/* ==========================================================
+ * bootstrap-alert.js v2.3.0
+ * http://twitter.github.com/bootstrap/javascript.html#alerts
+ * ==========================================================
+ * Copyright 2012 Twitter, Inc.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ * ========================================================== */
+
+/* ============================================================
+ * bootstrap-button.js v2.3.0
+ * http://twitter.github.com/bootstrap/javascript.html#buttons
+ * ============================================================
+ * Copyright 2012 Twitter, Inc.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ * ============================================================ */
+
+/* ==========================================================
+ * bootstrap-carousel.js v2.3.0
+ * http://twitter.github.com/bootstrap/javascript.html#carousel
+ * ==========================================================
+ * Copyright 2012 Twitter, Inc.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ * ========================================================== */
+
+/* =============================================================
+ * bootstrap-collapse.js v2.3.0
+ * http://twitter.github.com/bootstrap/javascript.html#collapse
+ * =============================================================
+ * Copyright 2012 Twitter, Inc.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ * ============================================================ */
+
+/* ============================================================
+ * bootstrap-dropdown.js v2.3.0
+ * http://twitter.github.com/bootstrap/javascript.html#dropdowns
+ * ============================================================
+ * Copyright 2012 Twitter, Inc.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ * ============================================================ */
+
+/* =========================================================
+ * bootstrap-modal.js v2.3.0
+ * http://twitter.github.com/bootstrap/javascript.html#modals
+ * =========================================================
+ * Copyright 2012 Twitter, Inc.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ * ========================================================= */
+
+/* ===========================================================
+ * bootstrap-tooltip.js v2.3.0
+ * http://twitter.github.com/bootstrap/javascript.html#tooltips
+ * Inspired by the original jQuery.tipsy by Jason Frame
+ * ===========================================================
+ * Copyright 2012 Twitter, Inc.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ * ========================================================== */
+
+/* ===========================================================
+ * bootstrap-popover.js v2.3.0
+ * http://twitter.github.com/bootstrap/javascript.html#popovers
+ * ===========================================================
+ * Copyright 2012 Twitter, Inc.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ * =========================================================== */
+
+/* =============================================================
+ * bootstrap-scrollspy.js v2.3.0
+ * http://twitter.github.com/bootstrap/javascript.html#scrollspy
+ * =============================================================
+ * Copyright 2012 Twitter, Inc.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ * ============================================================== */
+
+/* ========================================================
+ * bootstrap-tab.js v2.3.0
+ * http://twitter.github.com/bootstrap/javascript.html#tabs
+ * ========================================================
+ * Copyright 2012 Twitter, Inc.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ * ======================================================== */
+
+/* =============================================================
+ * bootstrap-typeahead.js v2.3.0
+ * http://twitter.github.com/bootstrap/javascript.html#typeahead
+ * =============================================================
+ * Copyright 2012 Twitter, Inc.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ * ============================================================ */
+
+/* ==========================================================
+ * bootstrap-affix.js v2.3.0
+ * http://twitter.github.com/bootstrap/javascript.html#affix
+ * ==========================================================
+ * Copyright 2012 Twitter, Inc.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ * ========================================================== */
+
+/**
+ * jGrowl 1.2.11
+ *
+ * Dual licensed under the MIT (http://www.opensource.org/licenses/mit-license.php)
+ * and GPL (http://www.opensource.org/licenses/gpl-license.php) licenses.
+ *
+ * Written by Stan Lemon <stosh1985@gmail.com>
+ * Last updated: 2013.02.14
+ *
+ * jGrowl is a jQuery plugin implementing unobtrusive userland notifications.  These
+ * notifications function similarly to the Growl Framework available for
+ * Mac OS X (http://growl.info).
+ *
+ * To Do:
+ * - Move library settings to containers and allow them to be changed per container
+ *
+ * Changes in 1.2.11
+ * - Fix artifacts left behind by the shutdown method and text-cleanup
+ *
+ * Changes in 1.2.10
+ * - Fix beforeClose to be called in click event
+ *
+ * Changes in 1.2.9
+ * - Fixed BC break in jQuery 2.0 beta
+ *
+ * Changes in 1.2.8
+ * - Fixes for jQuery 1.9 and the MSIE6 check, note that with jQuery 2.0 support
+ *   jGrowl intends to drop support for IE6 altogether
+ *
+ * Changes in 1.2.6
+ * - Fixed js error when a notification is opening and closing at the same time
+ *
+ * Changes in 1.2.5
+ * - Changed wrapper jGrowl's options usage to "o" instead of $.jGrowl.defaults
+ * - Added themeState option to control 'highlight' or 'error' for jQuery UI
+ * - Ammended some CSS to provide default positioning for nested usage.
+ * - Changed some CSS to be prefixed with jGrowl- to prevent namespacing issues
+ * - Added two new options - openDuration and closeDuration to allow
+ *   better control of notification open and close speeds, respectively
+ *   Patch contributed by Jesse Vincet.
+ * - Added afterOpen callback.  Patch contributed by Russel Branca.
+ *
+ * Changes in 1.2.4
+ * - Fixed IE bug with the close-all button
+ * - Fixed IE bug with the filter CSS attribute (special thanks to gotwic)
+ * - Update IE opacity CSS
+ * - Changed font sizes to use "em", and only set the base style
+ *
+ * Changes in 1.2.3
+ * - The callbacks no longer use the container as context, instead they use the actual notification
+ * - The callbacks now receive the container as a parameter after the options parameter
+ * - beforeOpen and beforeClose now check the return value, if it's false - the notification does
+ *   not continue.  The open callback will also halt execution if it returns false.
+ * - Fixed bug where containers would get confused
+ * - Expanded the pause functionality to pause an entire container.
+ *
+ * Changes in 1.2.2
+ * - Notification can now be theme rolled for jQuery UI, special thanks to Jeff Chan!
+ *
+ * Changes in 1.2.1
+ * - Fixed instance where the interval would fire the close method multiple times.
+ * - Added CSS to hide from print media
+ * - Fixed issue with closer button when div { position: relative } is set
+ * - Fixed leaking issue with multiple containers.  Special thanks to Matthew Hanlon!
+ *
+ * Changes in 1.2.0
+ * - Added message pooling to limit the number of messages appearing at a given time.
+ * - Closing a notification is now bound to the notification object and triggered by the close button.
+ *
+ * Changes in 1.1.2
+ * - Added iPhone styled example
+ * - Fixed possible IE7 bug when determining if the ie6 class shoudl be applied.
+ * - Added template for the close button, so that it's content could be customized.
+ *
+ * Changes in 1.1.1
+ * - Fixed CSS styling bug for ie6 caused by a mispelling
+ * - Changes height restriction on default notifications to min-height
+ * - Added skinned examples using a variety of images
+ * - Added the ability to customize the content of the [close all] box
+ * - Added jTweet, an example of using jGrowl + Twitter
+ *
+ * Changes in 1.1.0
+ * - Multiple container and instances.
+ * - Standard $.jGrowl() now wraps $.fn.jGrowl() by first establishing a generic jGrowl container.
+ * - Instance methods of a jGrowl container can be called by $.fn.jGrowl(methodName)
+ * - Added glue preferenced, which allows notifications to be inserted before or after nodes in the container
+ * - Added new log callback which is called before anything is done for the notification
+ * - Corner's attribute are now applied on an individual notification basis.
+ *
+ * Changes in 1.0.4
+ * - Various CSS fixes so that jGrowl renders correctly in IE6.
+ *
+ * Changes in 1.0.3
+ * - Fixed bug with options persisting across notifications
+ * - Fixed theme application bug
+ * - Simplified some selectors and manipulations.
+ * - Added beforeOpen and beforeClose callbacks
+ * - Reorganized some lines of code to be more readable
+ * - Removed unnecessary this.defaults context
+ * - If corners plugin is present, it's now customizable.
+ * - Customizable open animation.
+ * - Customizable close animation.
+ * - Customizable animation easing.
+ * - Added customizable positioning (top-left, top-right, bottom-left, bottom-right, center)
+ *
+ * Changes in 1.0.2
+ * - All CSS styling is now external.
+ * - Added a theme parameter which specifies a secondary class for styling, such
+ *   that notifications can be customized in appearance on a per message basis.
+ * - Notification life span is now customizable on a per message basis.
+ * - Added the ability to disable the global closer, enabled by default.
+ * - Added callbacks for when a notification is opened or closed.
+ * - Added callback for the global closer.
+ * - Customizable animation speed.
+ * - jGrowl now set itself up and tears itself down.
+ *
+ * Changes in 1.0.1:
+ * - Removed dependency on metadata plugin in favor of .data()
+ * - Namespaced all events
+ */
+
+/*! jQuery UI - v1.9.2 - 2013-03-26
+* http://jqueryui.com
+* Includes: jquery.ui.core.js, jquery.ui.widget.js, jquery.ui.mouse.js, jquery.ui.position.js, jquery.ui.draggable.js, jquery.ui.effect.js, jquery.ui.effect-slide.js
+* Copyright 2013 jQuery Foundation and other contributors Licensed MIT */
+
+/*!
+ * jQuery Color Animations v2.0.0
+ * http://jquery.com/
+ *
+ * Copyright 2012 jQuery Foundation and other contributors
+ * Released under the MIT license.
+ * http://jquery.org/license
+ *
+ * Date: Mon Aug 13 13:41:02 2012 -0500
+ */
+
+/**
+ * @preserve
+ * jquery.layout 1.3.0 - Release Candidate 30.79
+ * $Date: 2013-01-12 08:00:00 (Sat, 12 Jan 2013) $
+ * $Rev: 303007 $
+ *
+ * Copyright (c) 2013 Kevin Dalman (http://allpro.net)
+ * Based on work by Fabrizio Balliano (http://www.fabrizioballiano.net)
+ *
+ * Dual licensed under the GPL (http://www.gnu.org/licenses/gpl.html)
+ * and MIT (http://www.opensource.org/licenses/mit-license.php) licenses.
+ *
+ * SEE: http://layout.jquery-dev.net/LICENSE.txt
+ * 
+ * Changelog: http://layout.jquery-dev.net/changelog.cfm#1.3.0.rc30.79
+ *
+ * Docs: http://layout.jquery-dev.net/documentation.html
+ * Tips: http://layout.jquery-dev.net/tips.html
+ * Help: http://groups.google.com/group/jquery-ui-layout
+ */
+
+/**
+ * jquery.layout.state 1.0
+ * $Date: 2011-07-16 08:00:00 (Sat, 16 July 2011) $
+ *
+ * Copyright (c) 2012 
+ *   Kevin Dalman (http://allpro.net)
+ *
+ * Dual licensed under the GPL (http://www.gnu.org/licenses/gpl.html)
+ * and MIT (http://www.opensource.org/licenses/mit-license.php) licenses.
+ *
+ * @requires: UI Layout 1.3.0.rc30.1 or higher
+ * @requires: $.ui.cookie (above)
+ *
+ * @see: http://groups.google.com/group/jquery-ui-layout
+ */
+
+/**
+ * jquery.layout.buttons 1.0
+ * $Date: 2011-07-16 08:00:00 (Sat, 16 July 2011) $
+ *
+ * Copyright (c) 2012 
+ *   Kevin Dalman (http://allpro.net)
+ *
+ * Dual licensed under the GPL (http://www.gnu.org/licenses/gpl.html)
+ * and MIT (http://www.opensource.org/licenses/mit-license.php) licenses.
+ *
+ * @requires: UI Layout 1.3.0.rc30.1 or higher
+ *
+ * @see: http://groups.google.com/group/jquery-ui-layout
+ *
+ * Docs: [ to come ]
+ * Tips: [ to come ]
+ */
+
+/**
+ * jquery.layout.browserZoom 1.0
+ * $Date: 2011-12-29 08:00:00 (Thu, 29 Dec 2011) $
+ *
+ * Copyright (c) 2012 
+ *   Kevin Dalman (http://allpro.net)
+ *
+ * Dual licensed under the GPL (http://www.gnu.org/licenses/gpl.html)
+ * and MIT (http://www.opensource.org/licenses/mit-license.php) licenses.
+ *
+ * @requires: UI Layout 1.3.0.rc30.1 or higher
+ *
+ * @see: http://groups.google.com/group/jquery-ui-layout
+ *
+ * TODO: Extend logic to handle other problematic zooming in browsers
+ * TODO: Add hotkey/mousewheel bindings to _instantly_ respond to these zoom event
+ */
+
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n=v.left-C.left,s=n+l-f,o=v.top-C.top,u=o+d-c,h={target:{element:g,left:v.left,top:v.top,width:l,height:d},element:{element:a,left:C.left,top:C.top,width:f,height:c},horizontal:s<0?"left":n>0?"right":"center",vertical:u<0?"top":o>0?"bottom":"middle"};l<f&&i(n+s)<l&&(h.horizontal="center"),d<c&&i(o+u)<d&&(h.vertical="middle"),r(i(n),i(s))>r(i(o),i(u))?h.important="horizontal":h.important="vertical",t.using.call(this,e,h)}),a.offset(e.extend(C,{using:u}))})},e.ui.position={fit:{left:function(e,t){var n=t.within,i=n.isWindow?n.scrollLeft:n.offset.left,s=n.width,o=e.left-t.collisionPosition.marginLeft,u=i-o,a=o+t.collisionWidth-s-i,f;t.collisionWidth>s?u>0&&a<=0?(f=e.left+u+t.collisionWidth-s-i,e.left+=u-f):a>0&&u<=0?e.left=i:u>a?e.left=i+s-t.collisionWidth:e.left=i:u>0?e.left+=u:a>0?e.left-=a:e.left=r(e.left-o,e.left)},top:function(e,t){var n=t.within,i=n.isWindow?n.scrollTop:n.offset.top,s=t.within.height,o=e.top-t.collisionPosition.marginTop,u=i-o,a=o+t.collisionHeight-s-i,f;t.collisionHeight>s?u>0&&a<=0?(f=e.top+u+t.collisionHeight-s-i,e.top+=u-f):a>0&&u<=0?e.top=i:u>a?e.top=i+s-t.collisionHeight:e.top=i:u>0?e.top+=u:a>0?e.top-=a:e.top=r(e.top-o,e.top)}},flip:{left:function(e,t){var n=t.within,r=n.offset.left+n.scrollLeft,s=n.width,o=n.isWindow?n.scrollLeft:n.offset.left,u=e.left-t.collisionPosition.marginLeft,a=u-o,f=u+t.collisionWidth-s-o,l=t.my[0]==="left"?-t.elemWidth:t.my[0]==="right"?t.elemWidth:0,c=t.at[0]==="left"?t.targetWidth:t.at[0]==="right"?-t.targetWidth:0,h=-2*t.offset[0],p,d;if(a<0){p=e.left+l+c+h+t.collisionWidth-s-r;if(p<0||p<i(a))e.left+=l+c+h}else if(f>0){d=e.left-t.collisionPosition.marginLeft+l+c+h-o;if(d>0||i(d)<f)e.left+=l+c+h}},top:function(e,t){var n=t.within,r=n.offset.top+n.scrollTop,s=n.height,o=n.isWindow?n.scrollTop:n.offset.top,u=e.top-t.collisionPosition.marginTop,a=u-o,f=u+t.collisionHeight-s-o,l=t.my[1]==="top",c=l?-t.elemHeight:t.my[1]==="bottom"?t.elemHeight:0,h=t.at[1]==="top"?t.targetHeight:t.at[1]==="bottom"?-t.targetHeight:0,p=-2*t.offset[1],d,v;a<0?(v=e.top+c+h+p+t.collisionHeight-s-r,e.top+c+h+p>a&&(v<0||v<i(a))&&(e.top+=c+h+p)):f>0&&(d=e.top-t.collisionPosition.marginTop+c+h+p-o,e.top+c+h+p>f&&(d>0||i(d)<f)&&(e.top+=c+h+p))}},flipfit:{left:function(){e.ui.position.flip.left.apply(this,arguments),e.ui.position.fit.left.apply(this,arguments)},top:function(){e.ui.position.flip.top.apply(this,arguments),e.ui.position.fit.top.apply(this,arguments)}}},function(){var t,n,r,i,s,o=document.getElementsByTagName("body")[0],u=document.createElement("div");t=document.createElement(o?"div":"body"),r={visibility:"hidden",width:0,height:0,border:0,margin:0,background:"none"},o&&e.extend(r,{position:"absolute",left:"-1000px",top:"-1000px"});for(s in r)t.style[s]=r[s];t.appendChild(u),n=o||document.documentElement,n.insertBefore(t,n.firstChild),u.style.cssText="position: absolute; left: 10.7432222px;",i=e(u).offset().left,e.support.offsetFractions=i>10&&i<11,t.innerHTML="",n.removeChild(t)}(),e.uiBackCompat!==!1&&function(e){var n=e.fn.position;e.fn.position=function(r){if(!r||!r.offset)return n.call(this,r);var i=r.offset.split(" "),s=r.at.split(" ");return i.length===1&&(i[1]=i[0]),/^\d/.test(i[0])&&(i[0]="+"+i[0]),/^\d/.test(i[1])&&(i[1]="+"+i[1]),s.length===1&&(/left|center|right/.test(s[0])?s[1]="center":(s[1]=s[0],s[0]="center")),n.call(this,e.extend(r,{at:s[0]+i[0]+" "+s[1]+i[1],offset:t}))}}(jQuery)}(jQuery),function(e,t){e.widget("ui.draggable",e.ui.mouse,{version:"1.9.2",widgetEventPrefix:"drag",options:{addClasses:!0,appendTo:"parent",axis:!1,connectToSortable:!1,containment:!1,cursor:"auto",cursorAt:!1,grid:!1,handle:!1,helper:"original",iframeFix:!1,opacity:!1,refreshPositions:!1,revert:!1,revertDuration:500,scope:"default",scroll:!0,scrollSensitivity:20,scrollSpeed:20,snap:!1,snapMode:"both",snapTolerance:20,stack:!1,zIndex:!1},_create:function(){this.options.helper=="original"&&!/^(?:r|a|f)/.test(this.element.css("position"))&&(this.element[0].style.position="relative"),this.options.addClasses&&this.element.addClass("ui-draggable"),this.options.disabled&&this.element.addClass("ui-draggable-disabled"),this._mouseInit()},_destroy:function(){this.element.removeClass("ui-draggable ui-draggable-dragging ui-draggable-disabled"),this._mouseDestroy()},_mouseCapture:function(t){var n=this.options;return this.helper||n.disabled||e(t.target).is(".ui-resizable-handle")?!1:(this.handle=this._getHandle(t),this.handle?(e(n.iframeFix===!0?"iframe":n.iframeFix).each(function(){e('<div class="ui-draggable-iframeFix" style="background: #fff;"></div>').css({width:this.offsetWidth+"px",height:this.offsetHeight+"px",position:"absolute",opacity:"0.001",zIndex:1e3}).css(e(this).offset()).appendTo("body")}),!0):!1)},_mouseStart:function(t){var n=this.options;return this.helper=this._createHelper(t),this.helper.addClass("ui-draggable-dragging"),this._cacheHelperProportions(),e.ui.ddmanager&&(e.ui.ddmanager.current=this),this._cacheMargins(),this.cssPosition=this.helper.css("position"),this.scrollParent=this.helper.scrollParent(),this.offset=this.positionAbs=this.element.offset(),this.offset={top:this.offset.top-this.margins.top,left:this.offset.left-this.margins.left},e.extend(this.offset,{click:{left:t.pageX-this.offset.left,top:t.pageY-this.offset.top},parent:this._getParentOffset(),relative:this._getRelativeOffset()}),this.originalPosition=this.position=this._generatePosition(t),this.originalPageX=t.pageX,this.originalPageY=t.pageY,n.cursorAt&&this._adjustOffsetFromHelper(n.cursorAt),n.containment&&this._setContainment(),this._trigger("start",t)===!1?(this._clear(),!1):(this._cacheHelperProportions(),e.ui.ddmanager&&!n.dropBehaviour&&e.ui.ddmanager.prepareOffsets(this,t),this._mouseDrag(t,!0),e.ui.ddmanager&&e.ui.ddmanager.dragStart(this,t),!0)},_mouseDrag:function(t,n){this.position=this._generatePosition(t),this.positionAbs=this._convertPositionTo("absolute");if(!n){var r=this._uiHash();if(this._trigger("drag",t,r)===!1)return this._mouseUp({}),!1;this.position=r.position}if(!this.options.axis||this.options.axis!="y")this.helper[0].style.left=this.position.left+"px";if(!this.options.axis||this.options.axis!="x")this.helper[0].style.top=this.position.top+"px";return e.ui.ddmanager&&e.ui.ddmanager.drag(this,t),!1},_mouseStop:function(t){var n=!1;e.ui.ddmanager&&!this.options.dropBehaviour&&(n=e.ui.ddmanager.drop(this,t)),this.dropped&&(n=this.dropped,this.dropped=!1);var r=this.element[0],i=!1;while(r&&(r=r.parentNode))r==document&&(i=!0);if(!i&&this.options.helper==="original")return!1;if(this.options.revert=="invalid"&&!n||this.options.revert=="valid"&&n||this.options.revert===!0||e.isFunction(this.options.revert)&&this.options.revert.call(this.element,n)){var s=this;e(this.helper).animate(this.originalPosition,parseInt(this.options.revertDuration,10),function(){s._trigger("stop",t)!==!1&&s._clear()})}else this._trigger("stop",t)!==!1&&this._clear();return!1},_mouseUp:function(t){return e("div.ui-draggable-iframeFix").each(function(){this.parentNode.removeChild(this)}),e.ui.ddmanager&&e.ui.ddmanager.dragStop(this,t),e.ui.mouse.prototype._mouseUp.call(this,t)},cancel:function(){return this.helper.is(".ui-draggable-dragging")?this._mouseUp({}):this._clear(),this},_getHandle:function(t){var n=!this.options.handle||!e(this.options.handle,this.element).length?!0:!1;return e(this.options.handle,this.element).find("*").andSelf().each(function(){this==t.target&&(n=!0)}),n},_createHelper:function(t){var n=this.options,r=e.isFunction(n.helper)?e(n.helper.apply(this.element[0],[t])):n.helper=="clone"?this.element.clone().removeAttr("id"):this.element;return r.parents("body").length||r.appendTo(n.appendTo=="parent"?this.element[0].parentNode:n.appendTo),r[0]!=this.element[0]&&!/(fixed|absolute)/.test(r.css("position"))&&r.css("position","absolute"),r},_adjustOffsetFromHelper:function(t){typeof t=="string"&&(t=t.split(" ")),e.isArray(t)&&(t={left:+t[0],top:+t[1]||0}),"left"in t&&(this.offset.click.left=t.left+this.margins.left),"right"in t&&(this.offset.click.left=this.helperProportions.width-t.right+this.margins.left),"top"in t&&(this.offset.click.top=t.top+this.margins.top),"bottom"in t&&(this.offset.click.top=this.helperProportions.height-t.bottom+this.margins.top)},_getParentOffset:function(){this.offsetParent=this.helper.offsetParent();var t=this.offsetParent.offset();this.cssPosition=="absolute"&&this.scrollParent[0]!=document&&e.contains(this.scrollParent[0],this.offsetParent[0])&&(t.left+=this.scrollParent.scrollLeft(),t.top+=this.scrollParent.scrollTop());if(this.offsetParent[0]==document.body||this.offsetParent[0].tagName&&this.offsetParent[0].tagName.toLowerCase()=="html"&&e.ui.ie)t={top:0,left:0};return{top:t.top+(parseInt(this.offsetParent.css("borderTopWidth"),10)||0),left:t.left+(parseInt(this.offsetParent.css("borderLeftWidth"),10)||0)}},_getRelativeOffset:function(){if(this.cssPosition=="relative"){var e=this.element.position();return{top:e.top-(parseInt(this.helper.css("top"),10)||0)+this.scrollParent.scrollTop(),left:e.left-(parseInt(this.helper.css("left"),10)||0)+this.scrollParent.scrollLeft()}}return{top:0,left:0}},_cacheMargins:function(){this.margins={left:parseInt(this.element.css("marginLeft"),10)||0,top:parseInt(this.element.css("marginTop"),10)||0,right:parseInt(this.element.css("marginRight"),10)||0,bottom:parseInt(this.element.css("marginBottom"),10)||0}},_cacheHelperProportions:function(){this.helperProportions={width:this.helper.outerWidth(),height:this.helper.outerHeight()}},_setContainment:function(){var t=this.options;t.containment=="parent"&&(t.containment=this.helper[0].parentNode);if(t.containment=="document"||t.containment=="window")this.containment=[t.containment=="document"?0:e(window).scrollLeft()-this.offset.relative.left-this.offset.parent.left,t.containment=="document"?0:e(window).scrollTop()-this.offset.relative.top-this.offset.parent.top,(t.containment=="document"?0:e(window).scrollLeft())+e(t.containment=="document"?document:window).width()-this.helperProportions.width-this.margins.left,(t.containment=="document"?0:e(window).scrollTop())+(e(t.containment=="document"?document:window).height()||document.body.parentNode.scrollHeight)-this.helperProportions.height-this.margins.top];if(!/^(document|window|parent)$/.test(t.containment)&&t.containment.constructor!=Array){var n=e(t.containment),r=n[0];if(!r)return;var i=n.offset(),s=e(r).css("overflow")!="hidden";this.containment=[(parseInt(e(r).css("borderLeftWidth"),10)||0)+(parseInt(e(r).css("paddingLeft"),10)||0),(parseInt(e(r).css("borderTopWidth"),10)||0)+(parseInt(e(r).css("paddingTop"),10)||0),(s?Math.max(r.scrollWidth,r.offsetWidth):r.offsetWidth)-(parseInt(e(r).css("borderLeftWidth"),10)||0)-(parseInt(e(r).css("paddingRight"),10)||0)-this.helperProportions.width-this.margins.left-this.margins.right,(s?Math.max(r.scrollHeight,r.offsetHeight):r.offsetHeight)-(parseInt(e(r).css("borderTopWidth"),10)||0)-(parseInt(e(r).css("paddingBottom"),10)||0)-this.helperProportions.height-this.margins.top-this.margins.bottom],this.relative_container=n}else t.containment.constructor==Array&&(this.containment=t.containment)},_convertPositionTo:function(t,n){n||(n=this.position);var r=t=="absolute"?1:-1,i=this.options,s=this.cssPosition!="absolute"||this.scrollParent[0]!=document&&!!e.contains(this.scrollParent[0],this.offsetParent[0])?this.scrollParent:this.offsetParent,o=/(html|body)/i.test(s[0].tagName);return{top:n.top+this.offset.relative.top*r+this.offset.parent.top*r-(this.cssPosition=="fixed"?-this.scrollParent.scrollTop():o?0:s.scrollTop())*r,left:n.left+this.offset.relative.left*r+this.offset.parent.left*r-(this.cssPosition=="fixed"?-this.scrollParent.scrollLeft():o?0:s.scrollLeft())*r}},_generatePosition:function(t){var n=this.options,r=this.cssPosition!="absolute"||this.scrollParent[0]!=document&&!!e.contains(this.scrollParent[0],this.offsetParent[0])?this.scrollParent:this.offsetParent,i=/(html|body)/i.test(r[0].tagName),s=t.pageX,o=t.pageY;if(this.originalPosition){var u;if(this.containment){if(this.relative_container){var a=this.relative_container.offset();u=[this.containment[0]+a.left,this.containment[1]+a.top,this.containment[2]+a.left,this.containment[3]+a.top]}else u=this.containment;t.pageX-this.offset.click.left<u[0]&&(s=u[0]+this.offset.click.left),t.pageY-this.offset.click.top<u[1]&&(o=u[1]+this.offset.click.top),t.pageX-this.offset.click.left>u[2]&&(s=u[2]+this.offset.click.left),t.pageY-this.offset.click.top>u[3]&&(o=u[3]+this.offset.click.top)}if(n.grid){var f=n.grid[1]?this.originalPageY+Math.round((o-this.originalPageY)/n.grid[1])*n.grid[1]:this.originalPageY;o=u?f-this.offset.click.top<u[1]||f-this.offset.click.top>u[3]?f-this.offset.click.top<u[1]?f+n.grid[1]:f-n.grid[1]:f:f;var l=n.grid[0]?this.originalPageX+Math.round((s-this.originalPageX)/n.grid[0])*n.grid[0]:this.originalPageX;s=u?l-this.offset.click.left<u[0]||l-this.offset.click.left>u[2]?l-this.offset.click.left<u[0]?l+n.grid[0]:l-n.grid[0]:l:l}}return{top:o-this.offset.click.top-this.offset.relative.top-this.offset.parent.top+(this.cssPosition=="fixed"?-this.scrollParent.scrollTop():i?0:r.scrollTop()),left:s-this.offset.click.left-this.offset.relative.left-this.offset.parent.left+(this.cssPosition=="fixed"?-this.scrollParent.scrollLeft():i?0:r.scrollLeft())}},_clear:function(){this.helper.removeClass("ui-draggable-dragging"),this.helper[0]!=this.element[0]&&!this.cancelHelperRemoval&&this.helper.remove(),this.helper=null,this.cancelHelperRemoval=!1},_trigger:function(t,n,r){return r=r||this._uiHash(),e.ui.plugin.call(this,t,[n,r]),t=="drag"&&(this.positionAbs=this._convertPositionTo("absolute")),e.Widget.prototype._trigger.call(this,t,n,r)},plugins:{},_uiHash:function(e){return{helper:this.helper,position:this.position,originalPosition:this.originalPosition,offset:this.positionAbs}}}),e.ui.plugin.add("draggable","connectToSortable",{start:function(t,n){var r=e(this).data("draggable"),i=r.options,s=e.extend({},n,{item:r.element});r.sortables=[],e(i.connectToSortable).each(function(){var n=e.data(this,"sortable");n&&!n.options.disabled&&(r.sortables.push({instance:n,shouldRevert:n.options.revert}),n.refreshPositions(),n._trigger("activate",t,s))})},stop:function(t,n){var r=e(this).data("draggable"),i=e.extend({},n,{item:r.element});e.each(r.sortables,function(){this.instance.isOver?(this.instance.isOver=0,r.cancelHelperRemoval=!0,this.instance.cancelHelperRemoval=!1,this.shouldRevert&&(this.instance.options.revert=!0),this.instance._mouseStop(t),this.instance.options.helper=this.instance.options._helper,r.options.helper=="original"&&this.instance.currentItem.css({top:"auto",left:"auto"})):(this.instance.cancelHelperRemoval=!1,this.instance._trigger("deactivate",t,i))})},drag:function(t,n){var r=e(this).data("draggable"),i=this,s=function(t){var n=this.offset.click.top,r=this.offset.click.left,i=this.positionAbs.top,s=this.positionAbs.left,o=t.height,u=t.width,a=t.top,f=t.left;return e.ui.isOver(i+n,s+r,a,f,o,u)};e.each(r.sortables,function(s){var o=!1,u=this;this.instance.positionAbs=r.positionAbs,this.instance.helperProportions=r.helperProportions,this.instance.offset.click=r.offset.click,this.instance._intersectsWith(this.instance.containerCache)&&(o=!0,e.each(r.sortables,function(){return this.instance.positionAbs=r.positionAbs,this.instance.helperProportions=r.helperProportions,this.instance.offset.click=r.offset.click,this!=u&&this.instance._intersectsWith(this.instance.containerCache)&&e.ui.contains(u.instance.element[0],this.instance.element[0])&&(o=!1),o})),o?(this.instance.isOver||(this.instance.isOver=1,this.instance.currentItem=e(i).clone().removeAttr("id").appendTo(this.instance.element).data("sortable-item",!0),this.instance.options._helper=this.instance.options.helper,this.instance.options.helper=function(){return n.helper[0]},t.target=this.instance.currentItem[0],this.instance._mouseCapture(t,!0),this.instance._mouseStart(t,!0,!0),this.instance.offset.click.top=r.offset.click.top,this.instance.offset.click.left=r.offset.click.left,this.instance.offset.parent.left-=r.offset.parent.left-this.instance.offset.parent.left,this.instance.offset.parent.top-=r.offset.parent.top-this.instance.offset.parent.top,r._trigger("toSortable",t),r.dropped=this.instance.element,r.currentItem=r.element,this.instance.fromOutside=r),this.instance.currentItem&&this.instance._mouseDrag(t)):this.instance.isOver&&(this.instance.isOver=0,this.instance.cancelHelperRemoval=!0,this.instance.options.revert=!1,this.instance._trigger("out",t,this.instance._uiHash(this.instance)),this.instance._mouseStop(t,!0),this.instance.options.helper=this.instance.options._helper,this.instance.currentItem.remove(),this.instance.placeholder&&this.instance.placeholder.remove(),r._trigger("fromSortable",t),r.dropped=!1)})}}),e.ui.plugin.add("draggable","cursor",{start:function(t,n){var r=e("body"),i=e(this).data("draggable").options;r.css("cursor")&&(i._cursor=r.css("cursor")),r.css("cursor",i.cursor)},stop:function(t,n){var r=e(this).data("draggable").options;r._cursor&&e("body").css("cursor",r._cursor)}}),e.ui.plugin.add("draggable","opacity",{start:function(t,n){var r=e(n.helper),i=e(this).data("draggable").options;r.css("opacity")&&(i._opacity=r.css("opacity")),r.css("opacity",i.opacity)},stop:function(t,n){var r=e(this).data("draggable").options;r._opacity&&e(n.helper).css("opacity",r._opacity)}}),e.ui.plugin.add("draggable","scroll",{start:function(t,n){var r=e(this).data("draggable");r.scrollParent[0]!=document&&r.scrollParent[0].tagName!="HTML"&&(r.overflowOffset=r.scrollParent.offset())},drag:function(t,n){var r=e(this).data("draggable"),i=r.options,s=!1;if(r.scrollParent[0]!=document&&r.scrollParent[0].tagName!="HTML"){if(!i.axis||i.axis!="x")r.overflowOffset.top+r.scrollParent[0].offsetHeight-t.pageY<i.scrollSensitivity?r.scrollParent[0].scrollTop=s=r.scrollParent[0].scrollTop+i.scrollSpeed:t.pageY-r.overflowOffset.top<i.scrollSensitivity&&(r.scrollParent[0].scrollTop=s=r.scrollParent[0].scrollTop-i.scrollSpeed);if(!i.axis||i.axis!="y")r.overflowOffset.left+r.scrollParent[0].offsetWidth-t.pageX<i.scrollSensitivity?r.scrollParent[0].scrollLeft=s=r.scrollParent[0].scrollLeft+i.scrollSpeed:t.pageX-r.overflowOffset.left<i.scrollSensitivity&&(r.scrollParent[0].scrollLeft=s=r.scrollParent[0].scrollLeft-i.scrollSpeed)}else{if(!i.axis||i.axis!="x")t.pageY-e(document).scrollTop()<i.scrollSensitivity?s=e(document).scrollTop(e(document).scrollTop()-i.scrollSpeed):e(window).height()-(t.pageY-e(document).scrollTop())<i.scrollSensitivity&&(s=e(document).scrollTop(e(document).scrollTop()+i.scrollSpeed));if(!i.axis||i.axis!="y")t.pageX-e(document).scrollLeft()<i.scrollSensitivity?s=e(document).scrollLeft(e(document).scrollLeft()-i.scrollSpeed):e(window).width()-(t.pageX-e(document).scrollLeft())<i.scrollSensitivity&&(s=e(document).scrollLeft(e(document).scrollLeft()+i.scrollSpeed))}s!==!1&&e.ui.ddmanager&&!i.dropBehaviour&&e.ui.ddmanager.prepareOffsets(r,t)}}),e.ui.plugin.add("draggable","snap",{start:function(t,n){var r=e(this).data("draggable"),i=r.options;r.snapElements=[],e(i.snap.constructor!=String?i.snap.items||":data(draggable)":i.snap).each(function(){var t=e(this),n=t.offset();this!=r.element[0]&&r.snapElements.push({item:this,width:t.outerWidth(),height:t.outerHeight(),top:n.top,left:n.left})})},drag:function(t,n){var r=e(this).data("draggable"),i=r.options,s=i.snapTolerance,o=n.offset.left,u=o+r.helperProportions.width,a=n.offset.top,f=a+r.helperProportions.height;for(var l=r.snapElements.length-1;l>=0;l--){var c=r.snapElements[l].left,h=c+r.snapElements[l].width,p=r.snapElements[l].top,d=p+r.snapElements[l].height;if(!(c-s<o&&o<h+s&&p-s<a&&a<d+s||c-s<o&&o<h+s&&p-s<f&&f<d+s||c-s<u&&u<h+s&&p-s<a&&a<d+s||c-s<u&&u<h+s&&p-s<f&&f<d+s)){r.snapElements[l].snapping&&r.options.snap.release&&r.options.snap.release.call(r.element,t,e.extend(r._uiHash(),{snapItem:r.snapElements[l].item})),r.snapElements[l].snapping=!1;continue}if(i.snapMode!="inner"){var v=Math.abs(p-f)<=s,m=Math.abs(d-a)<=s,g=Math.abs(c-u)<=s,y=Math.abs(h-o)<=s;v&&(n.position.top=r._convertPositionTo("relative",{top:p-r.helperProportions.height,left:0}).top-r.margins.top),m&&(n.position.top=r._convertPositionTo("relative",{top:d,left:0}).top-r.margins.top),g&&(n.position.left=r._convertPositionTo("relative",{top:0,left:c-r.helperProportions.width}).left-r.margins.left),y&&(n.position.left=r._convertPositionTo("relative",{top:0,left:h}).left-r.margins.left)}var b=v||m||g||y;if(i.snapMode!="outer"){var v=Math.abs(p-a)<=s,m=Math.abs(d-f)<=s,g=Math.abs(c-o)<=s,y=Math.abs(h-u)<=s;v&&(n.position.top=r._convertPositionTo("relative",{top:p,left:0}).top-r.margins.top),m&&(n.position.top=r._convertPositionTo("relative",{top:d-r.helperProportions.height,left:0}).top-r.margins.top),g&&(n.position.left=r._convertPositionTo("relative",{top:0,left:c}).left-r.margins.left),y&&(n.position.left=r._convertPositionTo("relative",{top:0,left:h-r.helperProportions.width}).left-r.margins.left)}!r.snapElements[l].snapping&&(v||m||g||y||b)&&r.options.snap.snap&&r.options.snap.snap.call(r.element,t,e.extend(r._uiHash(),{snapItem:r.snapElements[l].item})),r.snapElements[l].snapping=v||m||g||y||b}}}),e.ui.plugin.add("draggable","stack",{start:function(t,n){var r=e(this).data("draggable").options,i=e.makeArray(e(r.stack)).sort(function(t,n){return(parseInt(e(t).css("zIndex"),10)||0)-(parseInt(e(n).css("zIndex"),10)||0)});if(!i.length)return;var s=parseInt(i[0].style.zIndex)||0;e(i).each(function(e){this.style.zIndex=s+e}),this[0].style.zIndex=s+i.length}}),e.ui.plugin.add("draggable","zIndex",{start:function(t,n){var r=e(n.helper),i=e(this).data("draggable").options;r.css("zIndex")&&(i._zIndex=r.css("zIndex")),r.css("zIndex",i.zIndex)},stop:function(t,n){var r=e(this).data("draggable").options;r._zIndex&&e(n.helper).css("zIndex",r._zIndex)}})}(jQuery),jQuery.effects||function(e,t){var n=e.uiBackCompat!==!1,r="ui-effects-";e.effects={effect:{}},function(t,n){function p(e,t,n){var r=a[t.type]||{};return e==null?n||!t.def?null:t.def:(e=r.floor?~~e:parseFloat(e),isNaN(e)?t.def:r.mod?(e+r.mod)%r.mod:0>e?0:r.max<e?r.max:e)}function d(e){var n=o(),r=n._rgba=[];return e=e.toLowerCase(),h(s,function(t,i){var s,o=i.re.exec(e),a=o&&i.parse(o),f=i.space||"rgba";if(a)return s=n[f](a),n[u[f].cache]=s[u[f].cache],r=n._rgba=s._rgba,!1}),r.length?(r.join()==="0,0,0,0"&&t.extend(r,c.transparent),n):c[e]}function v(e,t,n){return 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n=options[e],r=state[e],i=_c[e],s=i.dir,o=i.sizeType.toLowerCase(),u=t!=undefined?t:r.isSliding,a=$Ps[e],f=n.spacing_open,l=_c.oppositeEdge[e],c=state[l],h=$Ps[l],p=!h||c.isVisible===!1||c.isSliding?0:s=="horz"?h.outerHeight():h.outerWidth(),d=(!h||c.isHidden?0:options[l][c.isClosed!==!1?"spacing_closed":"spacing_open"])||0,v=s=="horz"?sC.innerHeight:sC.innerWidth,m=cssMinDims("center"),g=s=="horz"?max(options.center.minHeight,m.minHeight):max(options.center.minWidth,m.minWidth),y=v-f-(u?0:_parseSize("center",g,s)+p+d),b=r.minSize=max(_parseSize(e,n.minSize),cssMinDims(e).minSize),w=r.maxSize=min(n.maxSize?_parseSize(e,n.maxSize):1e5,y),E=r.resizerPosition={},S=sC.inset.top,x=sC.inset.left,T=sC.innerWidth,N=sC.innerHeight,C=n.spacing_open;switch(e){case"north":E.min=S+b,E.max=S+w;break;case"west":E.min=x+b,E.max=x+w;break;case"south":E.min=S+N-w-C,E.max=S+N-b-C;break;case"east":E.min=x+T-w-C,E.max=x+T-b-C}},calcNewCenterPaneDims=function(){var e={top:getPaneSize("north",!0),bottom:getPaneSize("south",!0),left:getPaneSize("west",!0),right:getPaneSize("east",!0),width:0,height:0};return e.width=sC.innerWidth-e.left-e.right,e.height=sC.innerHeight-e.bottom-e.top,e.top+=sC.inset.top,e.bottom+=sC.inset.bottom,e.left+=sC.inset.left,e.right+=sC.inset.right,e},getHoverClasses=function(e,t){var n=$(e),r=n.data("layoutRole"),i=n.data("layoutEdge"),s=options[i],o=s[r+"Class"],u="-"+i,a="-open",f="-closed",l="-sliding",c="-hover ",h=n.hasClass(o+f)?f:a,p=h===f?a:f,d=o+c+(o+u+c)+(o+h+c)+(o+u+h+c);return t&&(d+=o+p+c+(o+u+p+c)),r=="resizer"&&n.hasClass(o+l)&&(d+=o+l+c+(o+u+l+c)),$.trim(d)},addHover=function(e,t){var n=$(t||this);e&&n.data("layoutRole")==="toggler"&&e.stopPropagation(),n.addClass(getHoverClasses(n))},removeHover=function(e,t){var n=$(t||this);n.removeClass(getHoverClasses(n,!0))},onResizerEnter=function(e){var t=$(this).data("layoutEdge"),n=state[t];if(n.isClosed||n.isResizing||state.paneResizing)return;$.fn.disableSelection&&$("body").disableSelection(),options.maskPanesEarly&&showMasks(t,{resizing:!0})},onResizerLeave=function(e,t){var n=t||this,r=$(n).data("layoutEdge"),i=r+"ResizerLeave";timer.clear(r+"_openSlider"),timer.clear(i),t?state.paneResizing||($.fn.enableSelection&&$("body").enableSelection(),options.maskPanesEarly&&hideMasks()):timer.set(i,function(){onResizerLeave(e,n)},200)},_create=function(){initOptions();var e=options,t=state;return t.creatingLayout=!0,runPluginCallbacks(Instance,$.layout.onCreate),!1===_runCallbacks("onload_start")?"cancel":(_initContainer(),initHotkeys(),$(window).bind("unload."+sID,unload),runPluginCallbacks(Instance,$.layout.onLoad),e.initPanes&&_initLayoutElements(),delete t.creatingLayout,state.initialized)},isInitialized=function(){return state.initialized||state.creatingLayout?!0:_initLayoutElements()},_initLayoutElements=function(e){var t=options;if(!$N.is(":visible"))return!e&&browser.webkit&&$N[0].tagName==="BODY"&&setTimeout(function(){_initLayoutElements(!0)},50),!1;if(!getPane("center").length)return _log(t.errors.centerPaneMissing);state.creatingLayout=!0,$.extend(sC,elDims($N,t.inset)),initPanes();if(t.scrollToBookmarkOnLoad){var n=self.location;n.hash&&n.replace(n.hash)}return Instance.hasParentLayout?t.resizeWithWindow=!1:t.resizeWithWindow&&$(window).bind("resize."+sID,windowResize),delete state.creatingLayout,state.initialized=!0,runPluginCallbacks(Instance,$.layout.onReady),_runCallbacks("onload_end"),!0},createChildren=function(e,t){var n=evtPane.call(this,e),r=$Ps[n];if(!r)return;var i=$Cs[n],s=state[n],o=options[n],u=options.stateManagement||{},a=t?o.children=t:o.children;if($.isPlainObject(a))a=[a];else if(!a||!$.isArray(a))return;$.each(a,function(e,t){if(!$.isPlainObject(t))return;var o=t.containerSelector?r.find(t.containerSelector):i||r;o.each(function(){var 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y=$N.css("position");(!y||!y.match(/(fixed|absolute|relative)/))&&$N.css("position","relative"),$N.is(":visible")&&($.extend(sC,elDims($N,s.inset)),sC.innerHeight<1&&_log(s.errors.noContainerHeight.replace(/CONTAINER/,sC.ref)))}d($N,"minWidth")&&$N.parent().css("overflowX","auto"),d($N,"minHeight")&&$N.parent().css("overflowY","auto")}catch(b){}},initHotkeys=function(e){e=e?e.split(","):_c.borderPanes,$.each(e,function(e,t){var n=options[t];if(n.enableCursorHotkey||n.customHotkey)return $(document).bind("keydown."+sID,keyDown),!1})},initOptions=function(){function c(e){var t=options[e],n=options.panes;t.fxSettings||(t.fxSettings={}),n.fxSettings||(n.fxSettings={}),$.each(["_open","_close","_size"],function(r,i){var s="fxName"+i,o="fxSpeed"+i,u="fxSettings"+i,a=t[s]=t[s]||n[s]||t.fxName||n.fxName||"none",f=$.effects&&($.effects[a]||$.effects.effect&&$.effects.effect[a]);if(a==="none"||!options.effects[a]||!f)a=t[s]="none";var l=options.effects[a]||{},c=l.all||null,h=l[e]||null;t[o]=t[o]||n[o]||t.fxSpeed||n.fxSpeed||null,t[u]=$.extend(!0,{},c,h,n.fxSettings,t.fxSettings,n[u],t[u])}),delete t.fxName,delete t.fxSpeed,delete t.fxSettings}var e,t,n,r,i,s,o,u;opts=$.layout.transformData(opts,!0),opts=$.layout.backwardCompatibility.renameAllOptions(opts);if(!$.isEmptyObject(opts.panes)){e=$.layout.optionsMap.noDefault;for(s=0,o=e.length;s<o;s++)r=e[s],delete opts.panes[r];e=$.layout.optionsMap.layout;for(s=0,o=e.length;s<o;s++)r=e[s],delete opts.panes[r]}e=$.layout.optionsMap.layout;var a=$.layout.config.optionRootKeys;for(r in opts)i=opts[r],$.inArray(r,a)<0&&$.inArray(r,e)<0&&(opts.panes[r]||(opts.panes[r]=$.isPlainObject(i)?$.extend(!0,{},i):i),delete opts[r]);$.extend(!0,options,opts),$.each(_c.allPanes,function(n,i){_c[i]=$.extend(!0,{},_c.panes,_c[i]),t=options.panes,u=options[i];if(i==="center"){e=$.layout.optionsMap.center;for(n=0,o=e.length;n<o;n++)r=e[n],!opts.center[r]&&(opts.panes[r]||!u[r])&&(u[r]=t[r])}else u=options[i]=$.extend(!0,{},t,u),c(i),u.resizerClass||(u.resizerClass="ui-layout-resizer"),u.togglerClass||(u.togglerClass="ui-layout-toggler");u.paneClass||(u.paneClass="ui-layout-pane")});var f=opts.zIndex,l=options.zIndexes;f>0&&(l.pane_normal=f,l.content_mask=max(f+1,l.content_mask),l.resizer_normal=max(f+2,l.resizer_normal)),delete options.panes},getPane=function(e){var t=options[e].paneSelector;if(t.substr(0,1)==="#")return $N.find(t).eq(0);var n=$N.children(t).eq(0);return n.length?n:$N.children("form:first").children(t).eq(0)},initPanes=function(e){evtPane(e),$.each(_c.allPanes,function(e,t){addPane(t,!0)}),initHandles(),$.each(_c.borderPanes,function(e,t){$Ps[t]&&state[t].isVisible&&(setSizeLimits(t),makePaneFit(t))}),sizeMidPanes("center"),$.each(_c.allPanes,function(e,t){afterInitPane(t)})},addPane=function(e,t){if(!t&&!isInitialized())return;var n=options[e],r=state[e],i=_c[e],s=i.dir,o=r.fx,u=n.spacing_open||0,a=e==="center",f={},l=$Ps[e],c,h,p,d;l?removePane(e,!1,!0,!1):$Cs[e]=!1,l=$Ps[e]=getPane(e);if(!l.length){$Ps[e]=!1;return}if(!l.data("layoutCSS")){var v="position,top,left,bottom,right,width,height,overflow,zIndex,display,backgroundColor,padding,margin,border";l.data("layoutCSS",styles(l,v))}Instance[e]={name:e,pane:$Ps[e],content:$Cs[e],options:options[e],state:state[e],children:children[e]},l.data({parentLayout:Instance,layoutPane:Instance[e],layoutEdge:e,layoutRole:"pane"}).css(i.cssReq).css("zIndex",options.zIndexes.pane_normal).css(n.applyDemoStyles?i.cssDemo:{}).addClass(n.paneClass+" "+n.paneClass+"-"+e).bind("mouseenter."+sID,addHover).bind("mouseleave."+sID,removeHover);var m={hide:"",show:"",toggle:"",close:"",open:"",slideOpen:"",slideClose:"",slideToggle:"",size:"sizePane",sizePane:"sizePane",sizeContent:"",sizeHandles:"",enableClosable:"",disableClosable:"",enableSlideable:"",disableSlideable:"",enableResizable:"",disableResizable:"",swapPanes:"swapPanes",swap:"swapPanes",move:"swapPanes",removePane:"removePane",remove:"removePane",createChildren:"",resizeChildren:"",resizeAll:"resizeAll",resizeLayout:"resizeAll"},g;for(g in m)l.bind("layoutpane"+g.toLowerCase()+"."+sID,Instance[m[g]||g]);initContent(e,!1),a||(c=r.size=_parseSize(e,n.size),h=_parseSize(e,n.minSize)||1,p=_parseSize(e,n.maxSize)||1e5,c>0&&(c=max(min(c,p),h)),r.autoResize=n.autoResize,r.isClosed=!1,r.isSliding=!1,r.isResizing=!1,r.isHidden=!1,r.pins||(r.pins=[])),r.tagName=l[0].tagName,r.edge=e,r.noRoom=!1,r.isVisible=!0,setPanePosition(e),s==="horz"?f.height=cssH(l,c):s==="vert"&&(f.width=cssW(l,c)),l.css(f),s!="horz"&&sizeMidPanes(e,!0),state.initialized&&(initHandles(e),initHotkeys(e)),n.initClosed&&n.closable&&!n.initHidden?close(e,!0,!0):n.initHidden||n.initClosed?hide(e):r.noRoom||l.css("display","block"),l.css("visibility","visible"),n.showOverflowOnHover&&l.hover(allowOverflow,resetOverflow),state.initialized&&afterInitPane(e)},afterInitPane=function(e){var t=$Ps[e],n=state[e],r=options[e];if(!t)return;t.data("layout")&&refreshChildren(e,t.data("layout")),n.isVisible&&(state.initialized?resizeAll():sizeContent(e),r.triggerEventsOnLoad?_runCallbacks("onresize_end",e):resizeChildren(e,!0)),r.initChildren&&r.children&&createChildren(e)},setPanePosition=function(e){e=e?e.split(","):_c.borderPanes,$.each(e,function(e,t){var n=$Ps[t],r=$Rs[t],i=options[t],s=state[t],o=_c[t].side,u={};if(!n)return;switch(t){case"north":u.top=sC.inset.top,u.left=sC.inset.left,u.right=sC.inset.right;break;case"south":u.bottom=sC.inset.bottom,u.left=sC.inset.left,u.right=sC.inset.right;break;case"west":u.left=sC.inset.left;break;case"east":u.right=sC.inset.right;break;case"center":}n.css(u),r&&s.isClosed?r.css(o,sC.inset[o]):r&&!s.isHidden&&r.css(o,sC.inset[o]+getPaneSize(t))})},initHandles=function(e){e=e?e.split(","):_c.borderPanes,$.each(e,function(e,t){var n=$Ps[t];$Rs[t]=!1,$Ts[t]=!1;if(!n)return;var r=options[t],i=state[t],s=_c[t],o=r.paneSelector.substr(0,1)==="#"?r.paneSelector.substr(1):"",u=r.resizerClass,a=r.togglerClass,f=i.isVisible?r.spacing_open:r.spacing_closed,l="-"+t,c=i.isVisible?"-open":"-closed",h=Instance[t],p=h.resizer=$Rs[t]=$("<div></div>"),d=h.toggler=r.closable?$Ts[t]=$("<div></div>"):!1;!i.isVisible&&r.slidable&&p.attr("title",r.tips.Slide).css("cursor",r.sliderCursor),p.attr("id",o?o+"-resizer":"").data({parentLayout:Instance,layoutPane:Instance[t],layoutEdge:t,layoutRole:"resizer"}).css(_c.resizers.cssReq).css("zIndex",options.zIndexes.resizer_normal).css(r.applyDemoStyles?_c.resizers.cssDemo:{}).addClass(u+" "+u+l).hover(addHover,removeHover).hover(onResizerEnter,onResizerLeave).appendTo($N),r.resizerDblClickToggle&&p.bind("dblclick."+sID,toggle),d&&(d.attr("id",o?o+"-toggler":"").data({parentLayout:Instance,layoutPane:Instance[t],layoutEdge:t,layoutRole:"toggler"}).css(_c.togglers.cssReq).css(r.applyDemoStyles?_c.togglers.cssDemo:{}).addClass(a+" "+a+l).hover(addHover,removeHover).bind("mouseenter",onResizerEnter).appendTo(p),r.togglerContent_open&&$("<span>"+r.togglerContent_open+"</span>").data({layoutEdge:t,layoutRole:"togglerContent"}).data("layoutRole","togglerContent").data("layoutEdge",t).addClass("content content-open").css("display","none").appendTo(d),r.togglerContent_closed&&$("<span>"+r.togglerContent_closed+"</span>").data({layoutEdge:t,layoutRole:"togglerContent"}).addClass("content content-closed").css("display","none").appendTo(d),enableClosable(t)),initResizable(t),i.isVisible?setAsOpen(t):(setAsClosed(t),bindStartSlidingEvents(t,!0))}),sizeHandles()},initContent=function(e,t){if(!isInitialized())return;var n=options[e],r=n.contentSelector,i=Instance[e],s=$Ps[e],o;r&&(o=i.content=$Cs[e]=n.findNestedContent?s.find(r).eq(0):s.children(r).eq(0)),o&&o.length?(o.data("layoutRole","content"),o.data("layoutCSS")||o.data("layoutCSS",styles(o,"height")),o.css(_c.content.cssReq),n.applyDemoStyles&&(o.css(_c.content.cssDemo),s.css(_c.content.cssDemoPane)),s.css("overflowX").match(/(scroll|auto)/)&&s.css("overflow","hidden"),state[e].content={},t!==!1&&sizeContent(e)):i.content=$Cs[e]=!1},initResizable=function(e){var t=$.layout.plugins.draggable,n;e=e?e.split(","):_c.borderPanes,$.each(e,function(e,n){var i=options[n];if(!t||!$Ps[n]||!i.resizable)return i.resizable=!1,!0;var s=state[n],o=options.zIndexes,u=_c[n],a=u.dir=="horz"?"top":"left",f=$Ps[n],l=$Rs[n],c=i.resizerClass,h=0,p,d,v=c+"-drag",m=c+"-"+n+"-drag",g=c+"-dragging",y=c+"-"+n+"-dragging",b=c+"-dragging-limit",w=c+"-"+n+"-dragging-limit",E=!1;s.isClosed||l.attr("title",i.tips.Resize).css("cursor",i.resizerCursor),l.draggable({containment:$N[0],axis:u.dir=="horz"?"y":"x",delay:0,distance:1,grid:i.resizingGrid,helper:"clone",opacity:i.resizerDragOpacity,addClasses:!1,zIndex:o.resizer_drag,start:function(e,t){i=options[n],s=state[n],d=i.livePaneResizing;if(!1===_runCallbacks("ondrag_start",n))return!1;s.isResizing=!0,state.paneResizing=n,timer.clear(n+"_closeSlider"),setSizeLimits(n),p=s.resizerPosition,h=t.position[a],l.addClass(v+" "+m),E=!1,$("body").disableSelection(),showMasks(n,{resizing:!0})},drag:function(e,t){E||(t.helper.addClass(g+" "+y).css({right:"auto",bottom:"auto"}).children().css("visibility","hidden"),E=!0,s.isSliding&&$Ps[n].css("zIndex",o.pane_sliding));var u=0;t.position[a]<p.min?(t.position[a]=p.min,u=-1):t.position[a]>p.max&&(t.position[a]=p.max,u=1),u?(t.helper.addClass(b+" "+w),window.defaultStatus=u>0&&n.match(/(north|west)/)||u<0&&n.match(/(south|east)/)?i.tips.maxSizeWarning:i.tips.minSizeWarning):(t.helper.removeClass(b+" "+w),window.defaultStatus=""),d&&Math.abs(t.position[a]-h)>=i.liveResizingTolerance&&(h=t.position[a],r(e,t,n))},stop:function(e,t){$("body").enableSelection(),window.defaultStatus="",l.removeClass(v+" "+m),s.isResizing=!1,state.paneResizing=!1,r(e,t,n,!0)}})});var r=function(e,t,n,r){var i=t.position,s=_c[n],o=options[n],u=state[n],a;switch(n){case"north":a=i.top;break;case"west":a=i.left;break;case"south":a=sC.layoutHeight-i.top-o.spacing_open;break;case"east":a=sC.layoutWidth-i.left-o.spacing_open}var f=a-sC.inset[s.side];if(!r){if(Math.abs(f-u.size)<o.liveResizingTolerance)return;manualSizePane(n,f,!1,!0),sizeMasks()}else!1!==_runCallbacks("ondrag_end",n)&&manualSizePane(n,f,!1,!0),hideMasks(!0),u.isSliding&&showMasks(n,{resizing:!0})}},sizeMask=function(){var e=$(this),t=e.data("layoutMask"),n=state[t];n.tagName=="IFRAME"&&n.isVisible&&e.css({top:n.offsetTop,left:n.offsetLeft,width:n.outerWidth,height:n.outerHeight})},sizeMasks=function(){$Ms.each(sizeMask)},showMasks=function(e,t){var n=_c[e],r=["center"],i=options.zIndexes,s=$.extend({objectsOnly:!1,animation:!1,resizing:!0,sliding:state[e].isSliding},t),o,u;s.resizing&&r.push(e),s.sliding&&r.push(_c.oppositeEdge[e]),n.dir==="horz"&&(r.push("west"),r.push("east")),$.each(r,function(e,t){u=state[t],o=options[t],u.isVisible&&(o.maskObjects||!s.objectsOnly&&o.maskContents)&&getMasks(t).each(function(){sizeMask.call(this),this.style.zIndex=u.isSliding?i.pane_sliding+1:i.pane_normal+1,this.style.display="block"})})},hideMasks=function(e){if(e||!state.paneResizing)$Ms.hide();else if(!e&&!$.isEmptyObject(state.panesSliding)){var t=$Ms.length-1,n,r;for(;t>=0;t--)r=$Ms.eq(t),n=r.data("layoutMask"),options[n].maskObjects||r.hide()}},getMasks=function(e){var t=$([]),n,r=0,i=$Ms.length;for(;r<i;r++)n=$Ms.eq(r),n.data("layoutMask")===e&&(t=t.add(n));return t.length?t:createMasks(e)},createMasks=function(e){var t=$Ps[e],n=state[e],r=options[e],i=options.zIndexes,s=$([]),o,u,a,f,l;if(!r.maskContents&&!r.maskObjects)return s;for(l=0;l<(r.maskObjects?2:1);l++)o=r.maskObjects&&l==0,u=document.createElement(o?"iframe":"div"),a=$(u).data("layoutMask",e),u.className="ui-layout-mask ui-layout-mask-"+e,f=u.style,f.display="block",f.position="absolute",f.background="#FFF",o&&(u.frameborder=0,u.src="about:blank",f.opacity=0,f.filter="Alpha(Opacity='0')",f.border=0),n.tagName=="IFRAME"?(f.zIndex=i.pane_normal+1,$N.append(u)):(a.addClass("ui-layout-mask-inside-pane"),f.zIndex=r.maskZindex||i.content_mask,f.top=0,f.left=0,f.width="100%",f.height="100%",t.append(u)),s=s.add(u),$Ms=$Ms.add(u);return s},destroy=function(e,t){$(window).unbind("."+sID),$(document).unbind("."+sID),typeof e=="object"?evtPane(e):t=e,$N.clearQueue().removeData("layout").removeData("layoutContainer").removeClass(options.containerClass).unbind("."+sID),$Ms.remove(),$.each(_c.allPanes,function(e,n){removePane(n,!1,!0,t)});var n="layoutCSS";$N.data(n)&&!$N.data("layoutRole")&&$N.css($N.data(n)).removeData(n),sC.tagName==="BODY"&&($N=$("html")).data(n)&&$N.css($N.data(n)).removeData(n),runPluginCallbacks(Instance,$.layout.onDestroy),unload();for(var r in Instance)r.match(/^(container|options)$/)||delete Instance[r];return Instance.destroyed=!0,Instance},removePane=function(e,t,n,r){if(!isInitialized())return;var i=evtPane.call(this,e),s=$Ps[i],o=$Cs[i],u=$Rs[i],a=$Ts[i];s&&$.isEmptyObject(s.data())&&(s=!1),o&&$.isEmptyObject(o.data())&&(o=!1),u&&$.isEmptyObject(u.data())&&(u=!1),a&&$.isEmptyObject(a.data())&&(a=!1),s&&s.stop(!0,!0);var f=options[i],l=state[i],c="layout",h="layoutCSS",p=children[i],d=$.isPlainObject(p)&&!$.isEmptyObject(p),v=r!==undefined?r:f.destroyChildren;d&&v&&($.each(p,function(e,t){t.destroyed||t.destroy(!0),t.destroyed&&delete p[e]}),$.isEmptyObject(p)&&(p=children[i]=null,d=!1));if(s&&t&&!d)s.remove();else if(s&&s[0]){var m=f.paneClass,g=m+"-"+i,y="-open",b="-sliding",w="-closed",E=[m,m+y,m+w,m+b,g,g+y,g+w,g+b];$.merge(E,getHoverClasses(s,!0)),s.removeClass(E.join(" ")).removeData("parentLayout").removeData("layoutPane").removeData("layoutRole").removeData("layoutEdge").removeData("autoHidden").unbind("."+sID),d&&o?(o.width(o.width()),$.each(p,function(e,t){t.resizeAll()})):o&&o.css(o.data(h)).removeData(h).removeData("layoutRole"),s.data(c)||s.css(s.data(h)).removeData(h)}a&&a.remove(),u&&u.remove(),Instance[i]=$Ps[i]=$Cs[i]=$Rs[i]=$Ts[i]=!1,l={removed:!0},n||resizeAll()},_hidePane=function(e){var t=$Ps[e],n=options[e],r=t[0].style;n.useOffscreenClose?(t.data(_c.offscreenReset)||t.data(_c.offscreenReset,{left:r.left,right:r.right}),t.css(_c.offscreenCSS)):t.hide().removeData(_c.offscreenReset)},_showPane=function(e){var t=$Ps[e],n=options[e],r=_c.offscreenCSS,i=t.data(_c.offscreenReset),s=t[0].style;t.show().removeData(_c.offscreenReset),n.useOffscreenClose&&i&&(s.left==r.left&&(s.left=i.left),s.right==r.right&&(s.right=i.right))},hide=function(e,t){if(!isInitialized())return;var n=evtPane.call(this,e),r=options[n],i=state[n],s=$Ps[n],o=$Rs[n];if(!s||i.isHidden)return;if(state.initialized&&!1===_runCallbacks("onhide_start",n))return;i.isSliding=!1,delete state.panesSliding[n],o&&o.hide(),!state.initialized||i.isClosed?(i.isClosed=!0,i.isHidden=!0,i.isVisible=!1,state.initialized||_hidePane(n),sizeMidPanes(_c[n].dir==="horz"?"":"center"),(state.initialized||r.triggerEventsOnLoad)&&_runCallbacks("onhide_end",n)):(i.isHiding=!0,close(n,!1,t))},show=function(e,t,n,r){if(!isInitialized())return;var i=evtPane.call(this,e),s=options[i],o=state[i],u=$Ps[i],a=$Rs[i];if(!u||!o.isHidden)return;if(!1===_runCallbacks("onshow_start",i))return;o.isShowing=!0,o.isSliding=!1,delete 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c=s.size+sC.inset[o.side];$.layout.cssNum(a,o.side)!=c&&a.css(o.side,c)}s.noRoom&&(s.wasOpen&&i.closable?i.autoReopen?open(e,!1,!0,!0):s.noRoom=!1:show(e,s.wasOpen,!0,!0))}else s.noRoom||(s.noRoom=!0,s.wasOpen=!s.isClosed&&!s.isSliding,s.isClosed||(i.closable?close(e,!0,!0):hide(e,!0)))},manualSizePane=function(e,t,n,r,i){if(!isInitialized())return;var s=evtPane.call(this,e),o=options[s],u=state[s],a=i||o.livePaneResizing&&!u.isResizing;u.autoResize=!1,sizePane(s,t,n,r,a)},sizePane=function(e,t,n,r,i){function m(){var e=c==="width"?a.outerWidth():a.outerHeight(),r=[{pane:s,count:1,target:t,actual:e,correct:t===e,attempt:t,cssSize:v}],o=r[0],p={},m="Inaccurate size after resizing the 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s=evtPane.call(this,e),o=options[s],u=state[s],a=$Ps[s],f=$Rs[s],l=_c[s].side,c=_c[s].sizeType.toLowerCase(),h=u.isResizing&&!o.triggerEventsDuringLiveResize,p=r!==!0&&o.animatePaneSizing,d,v;$N.queue(function(e){setSizeLimits(s),d=u.size,t=_parseSize(s,t),t=max(t,_parseSize(s,o.minSize)),t=min(t,u.maxSize);if(t<u.minSize){e(),makePaneFit(s,!1,n);return}if(!i&&t===d)return e();u.newSize=t,!n&&state.initialized&&u.isVisible&&_runCallbacks("onresize_start",s),v=cssSize(s,t);if(p&&a.is(":visible")){var r=$.layout.effects.size[s]||$.layout.effects.size.all,f=o.fxSettings_size.easing||r.easing,l=options.zIndexes,h={};h[c]=v+"px",u.isMoving=!0,a.css({zIndex:l.pane_animate}).show().animate(h,o.fxSpeed_size,f,function(){a.css({zIndex:u.isSliding?l.pane_sliding:l.pane_normal}),u.isMoving=!1,delete u.newSize,m(),e()})}else a.css(c,v),delete 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p=i.minWidth-s.outerWidth,d=options.east.minSize||0,v=options.west.minSize||0,m=state.east.size,g=state.west.size,y=m,b=g;p>0&&state.east.isVisible&&m>d&&(y=max(m-d,m-p),p-=m-y),p>0&&state.west.isVisible&&g>v&&(b=max(g-v,g-p),p-=g-b);if(p===0){m&&m!=d&&sizePane("east",y,!0,!0,n),g&&g!=v&&sizePane("west",b,!0,!0,n),sizeMidPanes("center",t,n),o.css(c);return}}}else{s.isVisible&&!s.noVerticalRoom&&$.extend(s,elDims(o),cssMinDims(r));if(!n&&!s.noVerticalRoom&&h.height===s.outerHeight)return o.css(c),!0;l.top=h.top,l.bottom=h.bottom,s.newSize=h.height,l.height=cssH(o,h.height),s.maxHeight=l.height,f=s.maxHeight>=0,f||(s.noVerticalRoom=!0)}f?(!t&&state.initialized&&_runCallbacks("onresize_start",r),o.css(l),r!=="center"&&sizeHandles(r),s.noRoom&&!s.isClosed&&!s.isHidden&&makePaneFit(r),s.isVisible&&($.extend(s,elDims(o)),state.initialized&&sizeContent(r))):!s.noRoom&&s.isVisible&&makePaneFit(r),o.css(c),delete s.newSize,delete s.newWidth,delete 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r=sC.innerHeight<n,i=sC.innerWidth<t,s,o,u;$.each(["south","north","east","west"],function(e,t){if(!$Ps[t])return;o=options[t],u=state[t],u.autoResize&&u.size!=o.size?sizePane(t,o.size,!0,!0,!0):(setSizeLimits(t),makePaneFit(t,!1,!0,!0))}),sizeMidPanes("",!0,!0),sizeHandles(),$.each(_c.allPanes,function(e,t){s=$Ps[t];if(!s)return;state[t].isVisible&&_runCallbacks("onresize_end",t)}),_runCallbacks("onresizeall_end")},resizeChildren=function(e,t){var n=evtPane.call(this,e);if(!options[n].resizeChildren)return;t||refreshChildren(n);var r=children[n];$.isPlainObject(r)&&$.each(r,function(e,t){t.destroyed||t.resizeAll()})},sizeContent=function(e,t){if(!isInitialized())return;var n=evtPane.call(this,e);n=n?n.split(","):_c.allPanes,$.each(n,function(e,n){function f(e){return max(o.css.paddingBottom,parseInt(e.css("marginBottom"),10)||0)}function l(){var e=options[n].contentIgnoreSelector,t=i.nextAll().not(".ui-layout-mask").not(e||":lt(0)"),r=t.filter(":visible"),s=r.filter(":last");u={top:i[0].offsetTop,height:i.outerHeight(),numFooters:t.length,hiddenFooters:t.length-r.length,spaceBelow:0},u.spaceAbove=u.top,u.bottom=u.top+u.height,s.length?u.spaceBelow=s[0].offsetTop+s.outerHeight()-u.bottom+f(s):u.spaceBelow=f(i)}var r=$Ps[n],i=$Cs[n],s=options[n],o=state[n],u=o.content;if(!r||!i||!r.is(":visible"))return!0;if(!i.length){initContent(n,!1);if(!i)return}if(!1===_runCallbacks("onsizecontent_start",n))return;if(!o.isMoving&&!o.isResizing||s.liveContentResizing||t||u.top==undefined)l(),u.hiddenFooters>0&&r.css("overflow")==="hidden"&&(r.css("overflow","visible"),l(),r.css("overflow","hidden"));var a=o.innerHeight-(u.spaceAbove-o.css.paddingTop)-(u.spaceBelow-o.css.paddingBottom);if(!i.is(":visible")||u.height!=a)setOuterHeight(i,a,!0),u.height=a;state.initialized&&_runCallbacks("onsizecontent_end",n)})},sizeHandles=function(e){var 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+++ b/lib/dropbox.min.js
@@ -0,0 +1,5 @@
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r?(o={offset:r.offset},r.tag&&(o.upload_id=r.tag)):o={offset:0},i=new t.Xhr("POST",this.urls.chunkedUpload),i.setBody(e).setParams(o).signWithOauth(this.oauth),this.dispatchXhr(i,function(e,r){return e&&e.status===t.ApiError.INVALID_PARAM&&e.response&&e.response.upload_id&&e.response.offset?n(null,t.UploadCursor.parse(e.response)):n(e,t.UploadCursor.parse(r))})},e.prototype.resumableUploadFinish=function(e,r,n,o){var i,s;return o||"function"!=typeof n||(o=n,n=null),i={upload_id:r.tag},n&&(n.lastVersionTag?i.parent_rev=n.lastVersionTag:(n.parentRev||n.parent_rev)&&(i.parent_rev=n.parentRev||n.parent_rev),n.noOverwrite&&(i.overwrite="false")),s=new t.Xhr("POST",""+this.urls.commitChunkedUpload+"/"+this.urlEncodePath(e)),s.setParams(i).signWithOauth(this.oauth),this.dispatchXhr(s,function(e,r){return o?o(e,t.Stat.parse(r)):void 0})},e.prototype.stat=function(e,r,n){var o,i,s;return n||"function"!=typeof 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t.Xhr("POST",""+this.urls.restore+"/"+this.urlEncodePath(e)),o.setParams({rev:r}).signWithOauth(this.oauth),this.dispatchXhr(o,function(e,r){return n?n(e,t.Stat.parse(r)):void 0})},e.prototype.restore=function(t,e,r){return this.revertFile(t,e,r)},e.prototype.findByName=function(e,r,n,o){var i,s,a;return o||"function"!=typeof n||(o=n,n=null),s={query:r},i=!1,n&&(null!=n.limit&&(s.file_limit=n.limit),(n.removed||n.deleted)&&(s.include_deleted=!0),n.httpCache&&(i=!0)),a=new t.Xhr("GET",""+this.urls.search+"/"+this.urlEncodePath(e)),a.setParams(s).signWithOauth(this.oauth,i),this.dispatchXhr(a,function(e,r){var n,i;return i=r?function(){var e,o,i;for(i=[],e=0,o=r.length;o>e;e++)n=r[e],i.push(t.Stat.parse(n));return i}():void 0,o(e,i)})},e.prototype.search=function(t,e,r,n){return this.findByName(t,e,r,n)},e.prototype.makeCopyReference=function(e,r){var n;return n=new t.Xhr("GET",""+this.urls.copyRef+"/"+this.urlEncodePath(e)),n.signWithOauth(this.oauth),this.dispatchXhr(n,function(e,n){return r(e,t.CopyReference.parse(n))})},e.prototype.copyRef=function(t,e){return this.makeCopyReference(t,e)},e.prototype.pullChanges=function(e,r){var n,o;return r||"function"!=typeof e||(r=e,e=null),n=e?e.cursorTag?{cursor:e.cursorTag}:{cursor:e}:{},o=new t.Xhr("POST",this.urls.delta),o.setParams(n).signWithOauth(this.oauth),this.dispatchXhr(o,function(e,n){return r(e,t.PulledChanges.parse(n))})},e.prototype.delta=function(t,e){return this.pullChanges(t,e)},e.prototype.mkdir=function(e,r){var n;return n=new t.Xhr("POST",this.urls.fileopsCreateFolder),n.setParams({root:this.fileRoot,path:this.normalizePath(e)}).signWithOauth(this.oauth),this.dispatchXhr(n,function(e,n){return r?r(e,t.Stat.parse(n)):void 0})},e.prototype.remove=function(e,r){var n;return n=new t.Xhr("POST",this.urls.fileopsDelete),n.setParams({root:this.fileRoot,path:this.normalizePath(e)}).signWithOauth(this.oauth),this.dispatchXhr(n,function(e,n){return r?r(e,t.Stat.parse(n)):void 0})},e.prototype.unlink=function(t,e){return this.remove(t,e)},e.prototype["delete"]=function(t,e){return this.remove(t,e)},e.prototype.copy=function(e,r,n){var o,i,s;return n||"function"!=typeof o||(n=o,o=null),i={root:this.fileRoot,to_path:this.normalizePath(r)},e instanceof t.CopyReference?i.from_copy_ref=e.tag:i.from_path=this.normalizePath(e),s=new t.Xhr("POST",this.urls.fileopsCopy),s.setParams(i).signWithOauth(this.oauth),this.dispatchXhr(s,function(e,r){return n?n(e,t.Stat.parse(r)):void 0})},e.prototype.move=function(e,r,n){var o,i;return n||"function"!=typeof o||(n=o,o=null),i=new t.Xhr("POST",this.urls.fileopsMove),i.setParams({root:this.fileRoot,from_path:this.normalizePath(e),to_path:this.normalizePath(r)}).signWithOauth(this.oauth),this.dispatchXhr(i,function(e,r){return n?n(e,t.Stat.parse(r)):void 0})},e.prototype.reset=function(){var t;return this.uid=null,this.oauth.setToken(null,""),t=this.authState,this.authState=n.RESET,t!==this.authState&&this.onAuthStateChange.dispatch(this),this.authError=null,this._credentials=null,this},e.prototype.setCredentials=function(t){var e;return e=this.authState,this.oauth.reset(t),this.uid=t.uid||null,this.authState=t.authState?t.authState:t.token?n.DONE:n.RESET,this.authError=null,this._credentials=null,e!==this.authState&&this.onAuthStateChange.dispatch(this),this},e.prototype.appHash=function(){return this.oauth.appHash()},e.prototype.setupUrls=function(){return this.fileRoot=this.sandbox?"sandbox":"dropbox",this.urls={requestToken:""+this.apiServer+"/1/oauth/request_token",authorize:""+this.authServer+"/1/oauth/authorize",accessToken:""+this.apiServer+"/1/oauth/access_token",signOut:""+this.apiServer+"/1/unlink_access_token",accountInfo:""+this.apiServer+"/1/account/info",getFile:""+this.fileServer+"/1/files/"+this.fileRoot,postFile:""+this.fileServer+"/1/files/"+this.fileRoot,putFile:""+this.fileServer+"/1/files_put/"+this.fileRoot,metadata:""+this.apiServer+"/1/metadata/"+this.fileRoot,delta:""+this.apiServer+"/1/delta",revisions:""+this.apiServer+"/1/revisions/"+this.fileRoot,restore:""+this.apiServer+"/1/restore/"+this.fileRoot,search:""+this.apiServer+"/1/search/"+this.fileRoot,shares:""+this.apiServer+"/1/shares/"+this.fileRoot,media:""+this.apiServer+"/1/media/"+this.fileRoot,copyRef:""+this.apiServer+"/1/copy_ref/"+this.fileRoot,thumbnails:""+this.fileServer+"/1/thumbnails/"+this.fileRoot,chunkedUpload:""+this.fileServer+"/1/chunked_upload",commitChunkedUpload:""+this.fileServer+"/1/commit_chunked_upload/"+this.fileRoot,fileopsCopy:""+this.apiServer+"/1/fileops/copy",fileopsCreateFolder:""+this.apiServer+"/1/fileops/create_folder",fileopsDelete:""+this.apiServer+"/1/fileops/delete",fileopsMove:""+this.apiServer+"/1/fileops/move"}},e.prototype.authState=null,e.ERROR=0,e.RESET=1,e.REQUEST=2,e.AUTHORIZED=3,e.DONE=4,e.SIGNED_OFF=5,e.prototype.urlEncodePath=function(e){return t.Xhr.urlEncodeValue(this.normalizePath(e)).replace(/%2F/gi,"/")},e.prototype.normalizePath=function(t){var e;if("/"===t.substring(0,1)){for(e=1;"/"===t.substring(e,e+1);)e+=1;return t.substring(e)}return t},e.prototype.requestToken=function(e){var r;return r=new t.Xhr("POST",this.urls.requestToken).signWithOauth(this.oauth),this.dispatchXhr(r,e)},e.prototype.authorizeUrl=function(e){var r,n;return r=this.driver.url(e),n=null===r?{oauth_token:e}:{oauth_token:e,oauth_callback:r},""+this.urls.authorize+"?"+t.Xhr.urlEncode(n)},e.prototype.getAccessToken=function(e){var r;return r=new t.Xhr("POST",this.urls.accessToken).signWithOauth(this.oauth),this.dispatchXhr(r,e)},e.prototype.dispatchXhr=function(t,e){var r;return t.setCallback(e),t.onError=this.xhrOnErrorHandler,t.prepare(),r=t.xhr,this.onXhr.dispatch(t)&&t.send(),r},e.prototype.handleXhrError=function(e,r){var o=this;return e.status===t.ApiError.INVALID_TOKEN&&this.authState===n.DONE&&(this.authError=e,this.authState=n.ERROR,this.onAuthStateChange.dispatch(this),this.driver&&this.driver.onAuthStateChange)?(this.driver.onAuthStateChange(this,function(){return o.onError.dispatch(e),r(e)}),null):(this.onError.dispatch(e),r(e),null)},e.prototype.defaultApiServer=function(){return"https://api.dropbox.com"},e.prototype.defaultAuthServer=function(){return this.apiServer.replace("api.","www.")},e.prototype.defaultFileServer=function(){return this.apiServer.replace("api.","api-content.")},e.prototype.defaultDownloadServer=function(){return this.apiServer.replace("api.","dl.")},e.prototype.computeCredentials=function(){var t;return t={key:this.oauth.key,sandbox:this.sandbox},this.oauth.secret&&(t.secret=this.oauth.secret),this.oauth.token&&(t.token=this.oauth.token,t.tokenSecret=this.oauth.tokenSecret),this.uid&&(t.uid=this.uid),this.authState!==n.ERROR&&this.authState!==n.RESET&&this.authState!==n.DONE&&this.authState!==n.SIGNED_OFF&&(t.authState=this.authState),this.apiServer!==this.defaultApiServer()&&(t.server=this.apiServer),this.authServer!==this.defaultAuthServer()&&(t.authServer=this.authServer),this.fileServer!==this.defaultFileServer()&&(t.fileServer=this.fileServer),this.downloadServer!==this.defaultDownloadServer()&&(t.downloadServer=this.downloadServer),this._credentials=t},e}(),n=t.Client,t.Drivers.BrowserBase=function(){function e(t){this.rememberUser=(null!=t?t.rememberUser:void 0)||!1,this.useQuery=(null!=t?t.useQuery:void 0)||!1,this.scope=(null!=t?t.scope:void 0)||"default",this.storageKey=null,this.dbTokenRe=RegExp("(#|\\?|&)dboauth_token=([^&#]+)(&|#|$)"),this.rejectedRe=RegExp("(#|\\?|&)not_approved=true(&|#|$)"),this.tokenRe=RegExp("(#|\\?|&)oauth_token=([^&#]+)(&|#|$)")}return e.prototype.onAuthStateChange=function(t,e){var r=this;switch(this.setStorageKey(t),t.authState){case n.RESET:return this.loadCredentials(function(n){return n?n.authState?(t.setCredentials(n),e()):r.rememberUser?(t.setCredentials(n),t.getUserInfo(function(n){return n?(t.reset(),r.forgetCredentials(e)):e()})):r.forgetCredentials(e):e()});case n.REQUEST:return this.storeCredentials(t.credentials(),e);case n.DONE:return this.rememberUser?this.storeCredentials(t.credentials(),e):this.forgetCredentials(e);case n.SIGNED_OFF:return this.forgetCredentials(e);case n.ERROR:return this.forgetCredentials(e);default:return e(),this}},e.prototype.setStorageKey=function(t){return this.storageKey="dropbox-auth:"+this.scope+":"+t.appHash(),this},e.prototype.storeCredentials=function(t,e){return localStorage.setItem(this.storageKey,JSON.stringify(t)),e(),this},e.prototype.loadCredentials=function(t){var e,r;if(r=localStorage.getItem(this.storageKey),!r)return t(null),this;try{t(JSON.parse(r))}catch(n){e=n,t(null)}return this},e.prototype.forgetCredentials=function(t){return localStorage.removeItem(this.storageKey),t(),this},e.prototype.computeUrl=function(t){var e,r,n,o;return o="_dropboxjs_scope="+encodeURIComponent(this.scope)+"&dboauth_token=",r=t,-1===r.indexOf("#")?e=null:(n=r.split("#",2),r=n[0],e=n[1]),this.useQuery?(r+=-1===r.indexOf("?")?"?"+o:"&"+o,e?[r,"#"+e]:[r,""]):[r+"#?"+o,""]},e.prototype.locationToken=function(e){var r,n,o;return r=e||t.Drivers.BrowserBase.currentLocation(),o="_dropboxjs_scope="+encodeURIComponent(this.scope)+"&",-1===("function"==typeof r.indexOf?r.indexOf(o):void 0)?null:this.rejectedRe.test(r)?(n=this.dbTokenRe.exec(r),n?decodeURIComponent(n[2]):null):(n=this.tokenRe.exec(r),n?decodeURIComponent(n[2]):null)},e.currentLocation=function(){return window.location.href},e}(),t.Drivers.Redirect=function(e){function r(e){var n;r.__super__.constructor.call(this,e),n=this.computeUrl(t.Drivers.BrowserBase.currentLocation()),this.receiverUrl1=n[0],this.receiverUrl2=n[1]}return P(r,e),r.prototype.onAuthStateChange=function(t,e){var o,i=this;return o=function(){return function(){return r.__super__.onAuthStateChange.call(i,t,e)}}(),this.setStorageKey(t),t.authState===n.RESET?this.loadCredentials(function(t){return t&&t.authState?t.token===i.locationToken()&&t.authState===n.REQUEST?(t.authState=n.AUTHORIZED,i.storeCredentials(t,o)):i.forgetCredentials(o):o()}):o()},r.prototype.url=function(t){return this.receiverUrl1+encodeURIComponent(t)+this.receiverUrl2},r.prototype.doAuthorize=function(t){return window.location.assign(t)},r}(t.Drivers.BrowserBase),t.Drivers.Popup=function(e){function r(t){var e;r.__super__.constructor.call(this,t),e=this.computeUrl(this.baseUrl(t)),this.receiverUrl1=e[0],this.receiverUrl2=e[1]}return P(r,e),r.prototype.onAuthStateChange=function(t,e){var o,i=this;return o=function(){return function(){return r.__super__.onAuthStateChange.call(i,t,e)}}(),this.setStorageKey(t),t.authState===n.RESET?this.loadCredentials(function(t){return t&&t.authState?i.forgetCredentials(o):o()}):o()},r.prototype.doAuthorize=function(t,e,r,n){return this.listenForMessage(e,n),this.openWindow(t)},r.prototype.url=function(t){return this.receiverUrl1+encodeURIComponent(t)+this.receiverUrl2},r.prototype.baseUrl=function(e){var r;if(e){if(e.receiverUrl)return e.receiverUrl;if(e.receiverFile)return r=t.Drivers.BrowserBase.currentLocation().split("/"),r[r.length-1]=e.receiverFile,r.join("/")}return t.Drivers.BrowserBase.currentLocation()},r.prototype.openWindow=function(t){return window.open(t,"_dropboxOauthSigninWindow",this.popupWindowSpec(980,700))},r.prototype.popupWindowSpec=function(t,e){var r,n,o,i,s,a,h,u,l,p;return s=null!=(h=window.screenX)?h:window.screenLeft,a=null!=(u=window.screenY)?u:window.screenTop,i=null!=(l=window.outerWidth)?l:document.documentElement.clientWidth,r=null!=(p=window.outerHeight)?p:document.documentElement.clientHeight,n=Math.round(s+(i-t)/2),o=Math.round(a+(r-e)/2.5),s>n&&(n=s),a>o&&(o=a),"width="+t+",height="+e+","+("left="+n+",top="+o)+"dialog=yes,dependent=yes,scrollbars=yes,location=yes"},r.prototype.listenForMessage=function(e,r){var n,o=this;return n=function(i){var s;return s=i.data?i.data:i,o.locationToken(s)===e?(e=null,window.removeEventListener("message",n),t.Drivers.Popup.onMessage.removeListener(n),r()):void 0},window.addEventListener("message",n,!1),t.Drivers.Popup.onMessage.addListener(n)},r.oauthReceiver=function(){return window.addEventListener("load",function(){var t,e,r;if(r=window.opener,window.parent!==window.top&&(r||(r=window.parent)),r){try{r.postMessage(window.location.href,"*")}catch(n){e=n}try{r.Dropbox.Drivers.Popup.onMessage.dispatch(window.location.href)}catch(n){t=n}}return window.close()})},r.onMessage=new t.EventSource,r}(t.Drivers.BrowserBase),e=null,r=null,"undefined"!=typeof chrome&&null!==chrome&&(chrome.runtime&&(chrome.runtime.onMessage&&(e=chrome.runtime.onMessage),chrome.runtime.sendMessage&&(r=function(t){return chrome.runtime.sendMessage(t)})),chrome.extension&&(chrome.extension.onMessage&&(e||(e=chrome.extension.onMessage)),chrome.extension.sendMessage&&(r||(r=function(t){return chrome.extension.sendMessage(t)}))),e||function(){var e,r;return r=function(e){return e.Dropbox?(t.Drivers.Chrome.prototype.onMessage=e.Dropbox.Drivers.Chrome.onMessage,t.Drivers.Chrome.prototype.sendMessage=e.Dropbox.Drivers.Chrome.sendMessage):(e.Dropbox=t,t.Drivers.Chrome.prototype.onMessage=new t.EventSource,t.Drivers.Chrome.prototype.sendMessage=function(e){return t.Drivers.Chrome.prototype.onMessage.dispatch(e)})},chrome.extension&&chrome.extension.getBackgroundPage&&(e=chrome.extension.getBackgroundPage())?r(e):chrome.runtime&&chrome.runtime.getBackgroundPage?chrome.runtime.getBackgroundPage(function(t){return r(t)}):void 0}()),t.Drivers.Chrome=function(n){function o(t){var e,r;o.__super__.constructor.call(this,t),e=t&&t.receiverPath||"chrome_oauth_receiver.html",this.rememberUser=!0,this.useQuery=!0,r=this.computeUrl(this.expandUrl(e)),this.receiverUrl=r[0],this.receiverUrl2=r[1],this.storageKey="dropbox_js_"+this.scope+"_credentials"}return P(o,n),o.prototype.onMessage=e,o.prototype.sendMessage=r,o.prototype.expandUrl=function(t){return chrome.runtime&&chrome.runtime.getURL?chrome.runtime.getURL(t):chrome.extension&&chrome.extension.getURL?chrome.extension.getURL(t):t},o.prototype.onAuthStateChange=function(e,r){var n=this;switch(e.authState){case t.Client.RESET:return this.loadCredentials(function(t){if(t){if(t.authState)return n.forgetCredentials(r);e.setCredentials(t)}return r()});case t.Client.DONE:return this.storeCredentials(e.credentials(),r);case t.Client.SIGNED_OFF:return this.forgetCredentials(r);case t.Client.ERROR:return this.forgetCredentials(r);default:return r()}},o.prototype.doAuthorize=function(t,e,r,n){var o,i,s,a,h=this;return(null!=(i=chrome.identity)?i.launchWebAuthFlow:void 0)?chrome.identity.launchWebAuthFlow({url:t,interactive:!0},function(t){return h.locationToken(t)===e?n():void 0}):(null!=(s=chrome.experimental)?null!=(a=s.identity)?a.launchWebAuthFlow:void 0:void 0)?chrome.experimental.identity.launchWebAuthFlow({url:t,interactive:!0},function(t){return h.locationToken(t)===e?n():void 0}):(o={handle:null},this.listenForMessage(e,o,n),this.openWindow(t,function(t){return o.handle=t}))},o.prototype.openWindow=function(t,e){return chrome.tabs&&chrome.tabs.create?(chrome.tabs.create({url:t,active:!0,pinned:!1},function(t){return e(t)}),this):this},o.prototype.closeWindow=function(t){return chrome.tabs&&chrome.tabs.remove&&t.id?(chrome.tabs.remove(t.id),this):chrome.app&&chrome.app.window&&t.close?(t.close(),this):this},o.prototype.url=function(t){return this.receiverUrl+encodeURIComponent(t)},o.prototype.listenForMessage=function(t,e,r){var n,o=this;return n=function(i,s){return s&&s.tab&&s.tab.url.substring(0,o.receiverUrl.length)!==o.receiverUrl||!i.dropbox_oauth_receiver_href?void 0:o.locationToken(i.dropbox_oauth_receiver_href)===t?(e.handle&&o.closeWindow(e.handle),o.onMessage.removeListener(n),r()):void 0},this.onMessage.addListener(n)},o.prototype.storeCredentials=function(t,e){var r;return r={},r[this.storageKey]=t,chrome.storage.local.set(r,e),this},o.prototype.loadCredentials=function(t){var e=this;return chrome.storage.local.get(this.storageKey,function(r){return t(r[e.storageKey]||null)}),this},o.prototype.forgetCredentials=function(t){return chrome.storage.local.remove(this.storageKey,t),this},o.oauthReceiver=function(){return window.addEventListener("load",function(){var e;return e=new t.Drivers.Chrome,e.sendMessage({dropbox_oauth_receiver_href:window.location.href}),window.close?window.close():void 0})},o}(t.Drivers.BrowserBase),t.Drivers.Cordova=function(t){function e(t){this.rememberUser=(null!=t?t.rememberUser:void 0)||!1,this.scope=(null!=t?t.scope:void 0)||"default"}return P(e,t),e.prototype.doAuthorize=function(t,e,r,n){var o,i,s,a;return i=window.open(t,"_blank","location=yes"),a=!1,o=/^[^/]*\/\/[^/]*\//.exec(t)[0],s=function(e){return e.url===t&&a===!1?(a=!0,void 0):e.url&&e.url.substring(0,o.length)!==o?(a=!1,void 0):"exit"===e.type||a?(i.removeEventListener("loadstop",s),i.removeEventListener("exit",s),"exit"!==e.type&&i.close(),n()):void 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o=e.toUpperCase()+"&"+t.Xhr.urlEncodeValue(r)+"&"+t.Xhr.urlEncodeValue(t.Xhr.urlEncode(n)),v(o,this.hmacKey)},e.prototype.appHash=function(){return this._appHash?this._appHash:this._appHash=m(this.k).replace(/\=/g,"")},e}(),null==Date.now&&(Date.now=function(){return(new Date).getTime()}),_=function(t,e){var r,n,o,i,s,a,h,u,l,p,c,f;for(e?(e=[encodeURIComponent(t),encodeURIComponent(e)].join("?"),t=function(){var e,n,o;for(o=[],r=e=0,n=t.length/2;n>=0?n>e:e>n;r=n>=0?++e:--e)o.push(16*(15&t.charCodeAt(2*r))+(15&t.charCodeAt(2*r+1)));return o}()):(p=t.split("|",2),t=p[0],e=p[1],t=d(t),t=function(){var e,n,o;for(o=[],r=e=0,n=t.length;n>=0?n>e:e>n;r=n>=0?++e:--e)o.push(t.charCodeAt(r));return o}(),e=d(e)),i=function(){for(f=[],u=0;256>u;u++)f.push(u);return f}.apply(this),a=0,s=l=0;256>l;s=++l)a=(a+i[r]+t[s%t.length])%256,c=[i[a],i[s]],i[s]=c[0],i[a]=c[1];return s=a=0,o=function(){var t,r,o,u;for(u=[],h=t=0,r=e.length;r>=0?r>t:t>r;h=r>=0?++t:--t)s=(s+1)%256,a=(a+i[s])%256,o=[i[a],i[s]],i[s]=o[0],i[a]=o[1],n=i[(i[s]+i[a])%256],u.push(String.fromCharCode((n^e.charCodeAt(h))%256));return u}(),t=function(){var e,n,o;for(o=[],r=e=0,n=t.length;n>=0?n>e:e>n;r=n>=0?++e:--e)o.push(String.fromCharCode(t[r]));return o}(),[w(t.join("")),w(o.join(""))].join("|")},t.Util.encodeKey=_,t.PulledChanges=function(){function e(e){var r;this.blankSlate=e.reset||!1,this.cursorTag=e.cursor,this.shouldPullAgain=e.has_more,this.shouldBackOff=!this.shouldPullAgain,this.changes=e.cursor&&e.cursor.length?function(){var n,o,i,s;for(i=e.entries,s=[],n=0,o=i.length;o>n;n++)r=i[n],s.push(t.PullChange.parse(r));return s}():[]}return e.parse=function(e){return e&&"object"==typeof e?new t.PulledChanges(e):e},e.prototype.blankSlate=void 0,e.prototype.cursorTag=void 0,e.prototype.changes=void 0,e.prototype.shouldPullAgain=void 0,e.prototype.shouldBackOff=void 0,e.prototype.cursor=function(){return this.cursorTag},e}(),t.PullChange=function(){function e(e){this.path=e[0],this.stat=t.Stat.parse(e[1]),this.stat?this.wasRemoved=!1:(this.stat=null,this.wasRemoved=!0)}return e.parse=function(e){return e&&"object"==typeof e?new t.PullChange(e):e},e.prototype.path=void 0,e.prototype.wasRemoved=void 0,e.prototype.stat=void 0,e}(),t.RangeInfo=function(){function e(t){var e;(e=/^bytes (\d*)-(\d*)\/(.*)$/.exec(t))?(this.start=parseInt(e[1]),this.end=parseInt(e[2]),this.size="*"===e[3]?null:parseInt(e[3])):(this.start=0,this.end=0,this.size=null)}return e.parse=function(e){return"string"==typeof e?new t.RangeInfo(e):e},e.prototype.start=null,e.prototype.size=null,e.prototype.end=null,e}(),t.PublicUrl=function(){function e(t,e){this.url=t.url,this.expiresAt=new Date(Date.parse(t.expires)),this.isDirect=e===!0?!0:e===!1?!1:"direct"in t?t.direct:864e5>=Date.now()-this.expiresAt,this.isPreview=!this.isDirect,this._json=null}return e.parse=function(e,r){return e&&"object"==typeof e?new t.PublicUrl(e,r):e},e.prototype.url=null,e.prototype.expiresAt=null,e.prototype.isDirect=null,e.prototype.isPreview=null,e.prototype.json=function(){return this._json||(this._json={url:this.url,expires:""+this.expiresAt,direct:this.isDirect})},e}(),t.CopyReference=function(){function e(t){"object"==typeof t?(this.tag=t.copy_ref,this.expiresAt=new Date(Date.parse(t.expires)),this._json=t):(this.tag=t,this.expiresAt=new Date(1e3*Math.ceil(Date.now()/1e3)),this._json=null)}return e.parse=function(e){return!e||"object"!=typeof e&&"string"!=typeof e?e:new t.CopyReference(e)},e.prototype.tag=null,e.prototype.expiresAt=null,e.prototype.json=function(){return this._json||(this._json={copy_ref:this.tag,expires:""+this.expiresAt})},e}(),t.Stat=function(){function e(t){var e,r,n,o;switch(this._json=t,this.path=t.path,"/"!==this.path.substring(0,1)&&(this.path="/"+this.path),e=this.path.length-1,e>=0&&"/"===this.path.substring(e)&&(this.path=this.path.substring(0,e)),r=this.path.lastIndexOf("/"),this.name=this.path.substring(r+1),this.isFolder=t.is_dir||!1,this.isFile=!this.isFolder,this.isRemoved=t.is_deleted||!1,this.typeIcon=t.icon,this.modifiedAt=(null!=(n=t.modified)?n.length:void 0)?new Date(Date.parse(t.modified)):null,this.clientModifiedAt=(null!=(o=t.client_mtime)?o.length:void 0)?new Date(Date.parse(t.client_mtime)):null,t.root){case"dropbox":this.inAppFolder=!1;break;case"app_folder":this.inAppFolder=!0;break;default:this.inAppFolder=null}this.size=t.bytes||0,this.humanSize=t.size||"",this.hasThumbnail=t.thumb_exists||!1,this.isFolder?(this.versionTag=t.hash,this.mimeType=t.mime_type||"inode/directory"):(this.versionTag=t.rev,this.mimeType=t.mime_type||"application/octet-stream")}return e.parse=function(e){return e&&"object"==typeof e?new t.Stat(e):e},e.prototype.path=null,e.prototype.name=null,e.prototype.inAppFolder=null,e.prototype.isFolder=null,e.prototype.isFile=null,e.prototype.isRemoved=null,e.prototype.typeIcon=null,e.prototype.versionTag=null,e.prototype.mimeType=null,e.prototype.size=null,e.prototype.humanSize=null,e.prototype.hasThumbnail=null,e.prototype.modifiedAt=null,e.prototype.clientModifiedAt=null,e.prototype.json=function(){return this._json},e}(),t.UploadCursor=function(){function e(t){this.replace(t)}return e.parse=function(e){return!e||"object"!=typeof e&&"string"!=typeof e?e:new t.UploadCursor(e)},e.prototype.tag=null,e.prototype.offset=null,e.prototype.expiresAt=null,e.prototype.json=function(){return this._json||(this._json={upload_id:this.tag,offset:this.offset,expires:""+this.expiresAt})},e.prototype.replace=function(t){return"object"==typeof t?(this.tag=t.upload_id||null,this.offset=t.offset||0,this.expiresAt=new Date(Date.parse(t.expires)||Date.now()),this._json=t):(this.tag=t||null,this.offset=0,this.expiresAt=new Date(1e3*Math.floor(Date.now()/1e3)),this._json=null),this},e}(),t.UserInfo=function(){function e(t){var e;this._json=t,this.name=t.display_name,this.email=t.email,this.countryCode=t.country||null,this.uid=""+t.uid,t.public_app_url?(this.publicAppUrl=t.public_app_url,e=this.publicAppUrl.length-1,e>=0&&"/"===this.publicAppUrl.substring(e)&&(this.publicAppUrl=this.publicAppUrl.substring(0,e))):this.publicAppUrl=null,this.referralUrl=t.referral_link,this.quota=t.quota_info.quota,this.privateBytes=t.quota_info.normal||0,this.sharedBytes=t.quota_info.shared||0,this.usedQuota=this.privateBytes+this.sharedBytes}return e.parse=function(e){return e&&"object"==typeof e?new t.UserInfo(e):e},e.prototype.name=null,e.prototype.email=null,e.prototype.countryCode=null,e.prototype.uid=null,e.prototype.referralUrl=null,e.prototype.publicAppUrl=null,e.prototype.quota=null,e.prototype.usedQuota=null,e.prototype.privateBytes=null,e.prototype.sharedBytes=null,e.prototype.json=function(){return this._json},e}(),"undefined"==typeof XMLHttpRequest||"undefined"==typeof window&&"undefined"==typeof self||"undefined"==typeof navigator||"string"!=typeof navigator.userAgent?(h=require("xhr2"),a=!1,i=!1,s=!1):("undefined"==typeof XDomainRequest||"withCredentials"in new XMLHttpRequest?(h=XMLHttpRequest,a=!1,i="undefined"!=typeof FormData&&-1===navigator.userAgent.indexOf("Firefox")):(h=XDomainRequest,a=!0,i=!1),s=!0),"undefined"==typeof Uint8Array)o=null,l=!1,u=!1;else if(Object.getPrototypeOf?o=Object.getPrototypeOf(Object.getPrototypeOf(new Uint8Array(0))).constructor:Object.__proto__&&(o=new Uint8Array(0).__proto__.__proto__.constructor),"undefined"==typeof Blob)l=!1,u=!0;else{try{2===new Blob([new Uint8Array(2)]).size?(l=!0,u=!0):(u=!1,l=2===new Blob([new ArrayBuffer(2)]).size)}catch(X){g=X,u=!1,l=!1,"undefined"!=typeof WebKitBlobBuilder&&-1!==navigator.userAgent.indexOf("Android")&&(i=!1)}o===Object&&(u=!1)}if(t.Xhr=function(){function e(t,e){this.method=t,this.isGet="GET"===this.method,this.url=e,this.wantHeaders=!1,this.headers={},this.params=null,this.body=null,this.preflight=!(this.isGet||"POST"===this.method),this.signed=!1,this.completed=!1,this.responseType=null,this.callback=null,this.xhr=null,this.onError=null}return e.Request=h,e.ieXdr=a,e.canSendForms=i,e.doesPreflight=s,e.ArrayBufferView=o,e.sendArrayBufferView=u,e.wrapBlob=l,e.prototype.xhr=null,e.prototype.onError=null,e.prototype.setParams=function(t){if(this.signed)throw Error("setParams called after addOauthParams or addOauthHeader");if(this.params)throw Error("setParams cannot be called twice");return this.params=t,this},e.prototype.setCallback=function(t){return this.callback=t,this},e.prototype.signWithOauth=function(e,r){return t.Xhr.ieXdr?this.addOauthParams(e):this.preflight||!t.Xhr.doesPreflight?this.addOauthHeader(e):this.isGet&&r?this.addOauthHeader(e):this.addOauthParams(e)},e.prototype.addOauthParams=function(t){if(this.signed)throw Error("Request already has an OAuth signature");return this.params||(this.params={}),t.addAuthParams(this.method,this.url,this.params),this.signed=!0,this},e.prototype.addOauthHeader=function(t){if(this.signed)throw Error("Request already has an OAuth signature");return this.params||(this.params={}),this.signed=!0,this.setHeader("Authorization",t.authHeader(this.method,this.url,this.params))},e.prototype.setBody=function(t){if(this.isGet)throw Error("setBody cannot be called on GET requests");if(null!==this.body)throw Error("Request already has a body");return"string"==typeof t||"undefined"!=typeof FormData&&t instanceof FormData||(this.headers["Content-Type"]="application/octet-stream",this.preflight=!0),this.body=t,this},e.prototype.setResponseType=function(t){return this.responseType=t,this},e.prototype.setHeader=function(t,e){var r;if(this.headers[t])throw r=this.headers[t],Error("HTTP header "+t+" already set to "+r);if("Content-Type"===t)throw Error("Content-Type is automatically computed based on setBody");return this.preflight=!0,this.headers[t]=e,this},e.prototype.reportResponseHeaders=function(){return this.wantHeaders=!0},e.prototype.setFileField=function(e,r,n,o){var i,s,a,h;if(null!==this.body)throw Error("Request already has a body");if(this.isGet)throw Error("setFileField cannot be called on GET requests");if("object"==typeof n){"undefined"!=typeof ArrayBuffer&&(n instanceof ArrayBuffer?t.Xhr.sendArrayBufferView&&(n=new Uint8Array(n)):!t.Xhr.sendArrayBufferView&&0===n.byteOffset&&n.buffer instanceof ArrayBuffer&&(n=n.buffer)),o||(o="application/octet-stream");try{n=new Blob([n],{type:o})}catch(u){g=u,window.WebKitBlobBuilder&&(a=new WebKitBlobBuilder,a.append(n),(i=a.getBlob(o))&&(n=i))}"undefined"!=typeof File&&n instanceof File&&(n=new Blob([n],{type:n.type})),h=n instanceof Blob}else h=!1;return h?(this.body=new FormData,this.body.append(e,n,r)):(o||(o="application/octet-stream"),s=this.multipartBoundary(),this.headers["Content-Type"]="multipart/form-data; boundary="+s,this.body=["--",s,"\r\n",'Content-Disposition: form-data; name="',e,'"; filename="',r,'"\r\n',"Content-Type: ",o,"\r\n","Content-Transfer-Encoding: binary\r\n\r\n",n,"\r\n","--",s,"--","\r\n"].join(""))},e.prototype.multipartBoundary=function(){return[Date.now().toString(36),Math.random().toString(36)].join("----")},e.prototype.paramsToUrl=function(){var e;return this.params&&(e=t.Xhr.urlEncode(this.params),0!==e.length&&(this.url=[this.url,"?",e].join("")),this.params=null),this},e.prototype.paramsToBody=function(){if(this.params){if(null!==this.body)throw Error("Request already has a body");if(this.isGet)throw Error("paramsToBody cannot be called on GET requests");this.headers["Content-Type"]="application/x-www-form-urlencoded",this.body=t.Xhr.urlEncode(this.params),this.params=null}return this},e.prototype.prepare=function(){var e,r,n,o,i=this;if(r=t.Xhr.ieXdr,this.isGet||null!==this.body||r?(this.paramsToUrl(),null!==this.body&&"string"==typeof this.body&&(this.headers["Content-Type"]="text/plain; charset=utf8")):this.paramsToBody(),this.xhr=new t.Xhr.Request,r?(this.xhr.onload=function(){return i.onXdrLoad()},this.xhr.onerror=function(){return i.onXdrError()},this.xhr.ontimeout=function(){return i.onXdrError()},this.xhr.onprogress=function(){}):this.xhr.onreadystatechange=function(){return i.onReadyStateChange()},this.xhr.open(this.method,this.url,!0),!r){o=this.headers;for(e in o)D.call(o,e)&&(n=o[e],this.xhr.setRequestHeader(e,n))}return this.responseType&&("b"===this.responseType?this.xhr.overrideMimeType&&this.xhr.overrideMimeType("text/plain; charset=x-user-defined"):this.xhr.responseType=this.responseType),this},e.prototype.send=function(e){var r,n;if(this.callback=e||this.callback,null!==this.body){r=this.body,t.Xhr.sendArrayBufferView?r instanceof ArrayBuffer&&(r=new Uint8Array(r)):0===r.byteOffset&&r.buffer instanceof ArrayBuffer&&(r=r.buffer);try{this.xhr.send(r)}catch(o){if(n=o,t.Xhr.sendArrayBufferView||!t.Xhr.wrapBlob)throw n;r=new Blob([r],{type:"application/octet-stream"}),this.xhr.send(r)}}else this.xhr.send();return this},e.urlEncode=function(t){var e,r,n;e=[];for(r in t)n=t[r],e.push(this.urlEncodeValue(r)+"="+this.urlEncodeValue(n));return e.sort().join("&")},e.urlEncodeValue=function(t){return encodeURIComponent(""+t).replace(/\!/g,"%21").replace(/'/g,"%27").replace(/\(/g,"%28").replace(/\)/g,"%29").replace(/\*/g,"%2A")},e.urlDecode=function(t){var e,r,n,o,i,s;for(r={},s=t.split("&"),o=0,i=s.length;i>o;o++)n=s[o],e=n.split("="),r[decodeURIComponent(e[0])]=decodeURIComponent(e[1]);return r},e.prototype.onReadyStateChange=function(){var e,r,n,o,i,s,a,h,u,l,p,c;if(4!==this.xhr.readyState)return!0;if(this.completed)return!0;if(this.completed=!0,200>this.xhr.status||this.xhr.status>=300)return r=new t.ApiError(this.xhr,this.method,this.url),this.onError?this.onError(r,this.callback):this.callback(r),!0;if(this.wantHeaders?(e=this.xhr.getAllResponseHeaders(),i=e?t.Xhr.parseResponseHeaders(e):this.guessResponseHeaders(),u=i["x-dropbox-metadata"]):(i=void 0,u=this.xhr.getResponseHeader("x-dropbox-metadata")),null!=u?u.length:void 0)try{h=JSON.parse(u)}catch(d){a=d,h=void 0}else h=void 0;if(this.responseType){if("b"===this.responseType){for(o=null!=this.xhr.responseText?this.xhr.responseText:this.xhr.response,n=[],s=p=0,c=o.length;c>=0?c>p:p>c;s=c>=0?++p:--p)n.push(String.fromCharCode(255&o.charCodeAt(s)));l=n.join(""),this.callback(null,l,h,i)}else this.callback(null,this.xhr.response,h,i);return!0}switch(l=null!=this.xhr.responseText?this.xhr.responseText:this.xhr.response,this.xhr.getResponseHeader("Content-Type")){case"application/x-www-form-urlencoded":this.callback(null,t.Xhr.urlDecode(l),h,i);break;case"application/json":case"text/javascript":this.callback(null,JSON.parse(l),h,i);break;default:this.callback(null,l,h,i)}return!0},e.parseResponseHeaders=function(t){var e,r,n,o,i,s,a,h;for(n={},r=t.split("\n"),a=0,h=r.length;h>a;a++)o=r[a],e=o.indexOf(":"),i=o.substring(0,e).trim().toLowerCase(),s=o.substring(e+1).trim(),n[i]=s;return n},e.prototype.guessResponseHeaders=function(){var t,e,r,n,o,i;for(t={},i=["cache-control","content-language","content-range","content-type","expires","last-modified","pragma","x-dropbox-metadata"],n=0,o=i.length;o>n;n++)e=i[n],r=this.xhr.getResponseHeader(e),r&&(t[e]=r);return t},e.prototype.onXdrLoad=function(){var e,r,n;if(this.completed)return!0;if(this.completed=!0,n=this.xhr.responseText,e=this.wantHeaders?{"content-type":this.xhr.contentType}:void 0,r=void 0,this.responseType)return this.callback(null,n,r,e),!0;switch(this.xhr.contentType){case"application/x-www-form-urlencoded":this.callback(null,t.Xhr.urlDecode(n),r,e);break;case"application/json":case"text/javascript":this.callback(null,JSON.parse(n),r,e);break;default:this.callback(null,n,r,e)}return!0},e.prototype.onXdrError=function(){var e;return this.completed?!0:(this.completed=!0,e=new t.ApiError(this.xhr,this.method,this.url),this.onError?this.onError(e,this.callback):this.callback(e),!0)},e}(),"undefined"!=typeof module&&"exports"in module)module.exports=t;else if("undefined"!=typeof window&&null!==window)if(window.Dropbox)for(R in t)D.call(t,R)&&(k=t[R],window.Dropbox[R]=k);else window.Dropbox=t;else{if("undefined"==typeof self||null===self)throw Error("This library only supports node.js and modern browsers.");self.Dropbox=t}}).call(this);
+/*
+//@ sourceMappingURL=dropbox.min.map
+*/
\ No newline at end of file
diff --git a/optimize.json b/optimize.json
new file mode 100644
index 00000000..d6ab201a
--- /dev/null
+++ b/optimize.json
@@ -0,0 +1,8 @@
+// RequireJS optimizer configuration file
+// Usage: node r.js -o optimize.json
+({
+    baseUrl: "js",
+    name: "main",
+    out: "js/main-min.js",
+    mainConfigFile: 'js/main.js'
+})
\ No newline at end of file
diff --git a/r.js b/r.js
new file mode 100644
index 00000000..d81226a0
--- /dev/null
+++ b/r.js
@@ -0,0 +1,24531 @@
+#!/usr/bin/env node
+/**
+ * @license r.js 2.1.5 Copyright (c) 2010-2012, The Dojo Foundation All Rights Reserved.
+ * Available via the MIT or new BSD license.
+ * see: http://github.com/jrburke/requirejs for details
+ */
+
+/*
+ * This is a bootstrap script to allow running RequireJS in the command line
+ * in either a Java/Rhino or Node environment. It is modified by the top-level
+ * dist.js file to inject other files to completely enable this file. It is
+ * the shell of the r.js file.
+ */
+
+/*jslint evil: true, nomen: true, sloppy: true */
+/*global readFile: true, process: false, Packages: false, print: false,
+console: false, java: false, module: false, requirejsVars, navigator,
+document, importScripts, self, location, Components, FileUtils */
+
+var requirejs, require, define, xpcUtil;
+(function (console, args, readFileFunc) {
+    var fileName, env, fs, vm, path, exec, rhinoContext, dir, nodeRequire,
+        nodeDefine, exists, reqMain, loadedOptimizedLib, existsForNode, Cc, Ci,
+        version = '2.1.5',
+        jsSuffixRegExp = /\.js$/,
+        commandOption = '',
+        useLibLoaded = {},
+        //Used by jslib/rhino/args.js
+        rhinoArgs = args,
+        //Used by jslib/xpconnect/args.js
+        xpconnectArgs = args,
+        readFile = typeof readFileFunc !== 'undefined' ? readFileFunc : null;
+
+    function showHelp() {
+        console.log('See https://github.com/jrburke/r.js for usage.');
+    }
+
+    if ((typeof navigator !== 'undefined' && typeof document !== 'undefined') ||
+            (typeof importScripts !== 'undefined' && typeof self !== 'undefined')) {
+        env = 'browser';
+
+        readFile = function (path) {
+            return fs.readFileSync(path, 'utf8');
+        };
+
+        exec = function (string) {
+            return eval(string);
+        };
+
+        exists = function () {
+            console.log('x.js exists not applicable in browser env');
+            return false;
+        };
+
+    } else if (typeof Packages !== 'undefined') {
+        env = 'rhino';
+
+        fileName = args[0];
+
+        if (fileName && fileName.indexOf('-') === 0) {
+            commandOption = fileName.substring(1);
+            fileName = args[1];
+        }
+
+        //Set up execution context.
+        rhinoContext = Packages.org.mozilla.javascript.ContextFactory.getGlobal().enterContext();
+
+        exec = function (string, name) {
+            return rhinoContext.evaluateString(this, string, name, 0, null);
+        };
+
+        exists = function (fileName) {
+            return (new java.io.File(fileName)).exists();
+        };
+
+        //Define a console.log for easier logging. Don't
+        //get fancy though.
+        if (typeof console === 'undefined') {
+            console = {
+                log: function () {
+                    print.apply(undefined, arguments);
+                }
+            };
+        }
+    } else if (typeof process !== 'undefined') {
+        env = 'node';
+
+        //Get the fs module via Node's require before it
+        //gets replaced. Used in require/node.js
+        fs = require('fs');
+        vm = require('vm');
+        path = require('path');
+        //In Node 0.7+ existsSync is on fs.
+        existsForNode = fs.existsSync || path.existsSync;
+
+        nodeRequire = require;
+        nodeDefine = define;
+        reqMain = require.main;
+
+        //Temporarily hide require and define to allow require.js to define
+        //them.
+        require = undefined;
+        define = undefined;
+
+        readFile = function (path) {
+            return fs.readFileSync(path, 'utf8');
+        };
+
+        exec = function (string, name) {
+            return vm.runInThisContext(this.requirejsVars.require.makeNodeWrapper(string),
+                                       name ? fs.realpathSync(name) : '');
+        };
+
+        exists = function (fileName) {
+            return existsForNode(fileName);
+        };
+
+
+        fileName = process.argv[2];
+
+        if (fileName && fileName.indexOf('-') === 0) {
+            commandOption = fileName.substring(1);
+            fileName = process.argv[3];
+        }
+    } else if (typeof Components !== 'undefined' && Components.classes && Components.interfaces) {
+        env = 'xpconnect';
+
+        Components.utils['import']('resource://gre/modules/FileUtils.jsm');
+        Cc = Components.classes;
+        Ci = Components.interfaces;
+
+        fileName = args[0];
+
+        if (fileName && fileName.indexOf('-') === 0) {
+            commandOption = fileName.substring(1);
+            fileName = args[1];
+        }
+
+        xpcUtil = {
+            cwd: function () {
+                return FileUtils.getFile("CurWorkD", []).path;
+            },
+
+            //Remove . and .. from paths, normalize on front slashes
+            normalize: function (path) {
+                //There has to be an easier way to do this.
+                var i, part, ary,
+                    firstChar = path.charAt(0);
+
+                if (firstChar !== '/' &&
+                        firstChar !== '\\' &&
+                        path.indexOf(':') === -1) {
+                    //A relative path. Use the current working directory.
+                    path = xpcUtil.cwd() + '/' + path;
+                }
+
+                ary = path.replace(/\\/g, '/').split('/');
+
+                for (i = 0; i < ary.length; i += 1) {
+                    part = ary[i];
+                    if (part === '.') {
+                        ary.splice(i, 1);
+                        i -= 1;
+                    } else if (part === '..') {
+                        ary.splice(i - 1, 2);
+                        i -= 2;
+                    }
+                }
+                return ary.join('/');
+            },
+
+            xpfile: function (path) {
+                try {
+                    return new FileUtils.File(xpcUtil.normalize(path));
+                } catch (e) {
+                    throw new Error(path + ' failed: ' + e);
+                }
+            },
+
+            readFile: function (/*String*/path, /*String?*/encoding) {
+                //A file read function that can deal with BOMs
+                encoding = encoding || "utf-8";
+
+                var inStream, convertStream,
+                    readData = {},
+                    fileObj = xpcUtil.xpfile(path);
+
+                //XPCOM, you so crazy
+                try {
+                    inStream = Cc['@mozilla.org/network/file-input-stream;1']
+                               .createInstance(Ci.nsIFileInputStream);
+                    inStream.init(fileObj, 1, 0, false);
+
+                    convertStream = Cc['@mozilla.org/intl/converter-input-stream;1']
+                                    .createInstance(Ci.nsIConverterInputStream);
+                    convertStream.init(inStream, encoding, inStream.available(),
+                    Ci.nsIConverterInputStream.DEFAULT_REPLACEMENT_CHARACTER);
+
+                    convertStream.readString(inStream.available(), readData);
+                    return readData.value;
+                } catch (e) {
+                    throw new Error((fileObj && fileObj.path || '') + ': ' + e);
+                } finally {
+                    if (convertStream) {
+                        convertStream.close();
+                    }
+                    if (inStream) {
+                        inStream.close();
+                    }
+                }
+            }
+        };
+
+        readFile = xpcUtil.readFile;
+
+        exec = function (string) {
+            return eval(string);
+        };
+
+        exists = function (fileName) {
+            return xpcUtil.xpfile(fileName).exists();
+        };
+
+        //Define a console.log for easier logging. Don't
+        //get fancy though.
+        if (typeof console === 'undefined') {
+            console = {
+                log: function () {
+                    print.apply(undefined, arguments);
+                }
+            };
+        }
+    }
+
+    /** vim: et:ts=4:sw=4:sts=4
+ * @license RequireJS 2.1.5 Copyright (c) 2010-2012, The Dojo Foundation All Rights Reserved.
+ * Available via the MIT or new BSD license.
+ * see: http://github.com/jrburke/requirejs for details
+ */
+//Not using strict: uneven strict support in browsers, #392, and causes
+//problems with requirejs.exec()/transpiler plugins that may not be strict.
+/*jslint regexp: true, nomen: true, sloppy: true */
+/*global window, navigator, document, importScripts, setTimeout, opera */
+
+
+(function (global) {
+    var req, s, head, baseElement, dataMain, src,
+        interactiveScript, currentlyAddingScript, mainScript, subPath,
+        version = '2.1.5',
+        commentRegExp = /(\/\*([\s\S]*?)\*\/|([^:]|^)\/\/(.*)$)/mg,
+        cjsRequireRegExp = /[^.]\s*require\s*\(\s*["']([^'"\s]+)["']\s*\)/g,
+        jsSuffixRegExp = /\.js$/,
+        currDirRegExp = /^\.\//,
+        op = Object.prototype,
+        ostring = op.toString,
+        hasOwn = op.hasOwnProperty,
+        ap = Array.prototype,
+        apsp = ap.splice,
+        isBrowser = !!(typeof window !== 'undefined' && navigator && document),
+        isWebWorker = !isBrowser && typeof importScripts !== 'undefined',
+        //PS3 indicates loaded and complete, but need to wait for complete
+        //specifically. Sequence is 'loading', 'loaded', execution,
+        // then 'complete'. The UA check is unfortunate, but not sure how
+        //to feature test w/o causing perf issues.
+        readyRegExp = isBrowser && navigator.platform === 'PLAYSTATION 3' ?
+                      /^complete$/ : /^(complete|loaded)$/,
+        defContextName = '_',
+        //Oh the tragedy, detecting opera. See the usage of isOpera for reason.
+        isOpera = typeof opera !== 'undefined' && opera.toString() === '[object Opera]',
+        contexts = {},
+        cfg = {},
+        globalDefQueue = [],
+        useInteractive = false;
+
+    function isFunction(it) {
+        return ostring.call(it) === '[object Function]';
+    }
+
+    function isArray(it) {
+        return ostring.call(it) === '[object Array]';
+    }
+
+    /**
+     * Helper function for iterating over an array. If the func returns
+     * a true value, it will break out of the loop.
+     */
+    function each(ary, func) {
+        if (ary) {
+            var i;
+            for (i = 0; i < ary.length; i += 1) {
+                if (ary[i] && func(ary[i], i, ary)) {
+                    break;
+                }
+            }
+        }
+    }
+
+    /**
+     * Helper function for iterating over an array backwards. If the func
+     * returns a true value, it will break out of the loop.
+     */
+    function eachReverse(ary, func) {
+        if (ary) {
+            var i;
+            for (i = ary.length - 1; i > -1; i -= 1) {
+                if (ary[i] && func(ary[i], i, ary)) {
+                    break;
+                }
+            }
+        }
+    }
+
+    function hasProp(obj, prop) {
+        return hasOwn.call(obj, prop);
+    }
+
+    function getOwn(obj, prop) {
+        return hasProp(obj, prop) && obj[prop];
+    }
+
+    /**
+     * Cycles over properties in an object and calls a function for each
+     * property value. If the function returns a truthy value, then the
+     * iteration is stopped.
+     */
+    function eachProp(obj, func) {
+        var prop;
+        for (prop in obj) {
+            if (hasProp(obj, prop)) {
+                if (func(obj[prop], prop)) {
+                    break;
+                }
+            }
+        }
+    }
+
+    /**
+     * Simple function to mix in properties from source into target,
+     * but only if target does not already have a property of the same name.
+     */
+    function mixin(target, source, force, deepStringMixin) {
+        if (source) {
+            eachProp(source, function (value, prop) {
+                if (force || !hasProp(target, prop)) {
+                    if (deepStringMixin && typeof value !== 'string') {
+                        if (!target[prop]) {
+                            target[prop] = {};
+                        }
+                        mixin(target[prop], value, force, deepStringMixin);
+                    } else {
+                        target[prop] = value;
+                    }
+                }
+            });
+        }
+        return target;
+    }
+
+    //Similar to Function.prototype.bind, but the 'this' object is specified
+    //first, since it is easier to read/figure out what 'this' will be.
+    function bind(obj, fn) {
+        return function () {
+            return fn.apply(obj, arguments);
+        };
+    }
+
+    function scripts() {
+        return document.getElementsByTagName('script');
+    }
+
+    //Allow getting a global that expressed in
+    //dot notation, like 'a.b.c'.
+    function getGlobal(value) {
+        if (!value) {
+            return value;
+        }
+        var g = global;
+        each(value.split('.'), function (part) {
+            g = g[part];
+        });
+        return g;
+    }
+
+    /**
+     * Constructs an error with a pointer to an URL with more information.
+     * @param {String} id the error ID that maps to an ID on a web page.
+     * @param {String} message human readable error.
+     * @param {Error} [err] the original error, if there is one.
+     *
+     * @returns {Error}
+     */
+    function makeError(id, msg, err, requireModules) {
+        var e = new Error(msg + '\nhttp://requirejs.org/docs/errors.html#' + id);
+        e.requireType = id;
+        e.requireModules = requireModules;
+        if (err) {
+            e.originalError = err;
+        }
+        return e;
+    }
+
+    if (typeof define !== 'undefined') {
+        //If a define is already in play via another AMD loader,
+        //do not overwrite.
+        return;
+    }
+
+    if (typeof requirejs !== 'undefined') {
+        if (isFunction(requirejs)) {
+            //Do not overwrite and existing requirejs instance.
+            return;
+        }
+        cfg = requirejs;
+        requirejs = undefined;
+    }
+
+    //Allow for a require config object
+    if (typeof require !== 'undefined' && !isFunction(require)) {
+        //assume it is a config object.
+        cfg = require;
+        require = undefined;
+    }
+
+    function newContext(contextName) {
+        var inCheckLoaded, Module, context, handlers,
+            checkLoadedTimeoutId,
+            config = {
+                //Defaults. Do not set a default for map
+                //config to speed up normalize(), which
+                //will run faster if there is no default.
+                waitSeconds: 7,
+                baseUrl: './',
+                paths: {},
+                pkgs: {},
+                shim: {},
+                config: {}
+            },
+            registry = {},
+            //registry of just enabled modules, to speed
+            //cycle breaking code when lots of modules
+            //are registered, but not activated.
+            enabledRegistry = {},
+            undefEvents = {},
+            defQueue = [],
+            defined = {},
+            urlFetched = {},
+            requireCounter = 1,
+            unnormalizedCounter = 1;
+
+        /**
+         * Trims the . and .. from an array of path segments.
+         * It will keep a leading path segment if a .. will become
+         * the first path segment, to help with module name lookups,
+         * which act like paths, but can be remapped. But the end result,
+         * all paths that use this function should look normalized.
+         * NOTE: this method MODIFIES the input array.
+         * @param {Array} ary the array of path segments.
+         */
+        function trimDots(ary) {
+            var i, part;
+            for (i = 0; ary[i]; i += 1) {
+                part = ary[i];
+                if (part === '.') {
+                    ary.splice(i, 1);
+                    i -= 1;
+                } else if (part === '..') {
+                    if (i === 1 && (ary[2] === '..' || ary[0] === '..')) {
+                        //End of the line. Keep at least one non-dot
+                        //path segment at the front so it can be mapped
+                        //correctly to disk. Otherwise, there is likely
+                        //no path mapping for a path starting with '..'.
+                        //This can still fail, but catches the most reasonable
+                        //uses of ..
+                        break;
+                    } else if (i > 0) {
+                        ary.splice(i - 1, 2);
+                        i -= 2;
+                    }
+                }
+            }
+        }
+
+        /**
+         * Given a relative module name, like ./something, normalize it to
+         * a real name that can be mapped to a path.
+         * @param {String} name the relative name
+         * @param {String} baseName a real name that the name arg is relative
+         * to.
+         * @param {Boolean} applyMap apply the map config to the value. Should
+         * only be done if this normalization is for a dependency ID.
+         * @returns {String} normalized name
+         */
+        function normalize(name, baseName, applyMap) {
+            var pkgName, pkgConfig, mapValue, nameParts, i, j, nameSegment,
+                foundMap, foundI, foundStarMap, starI,
+                baseParts = baseName && baseName.split('/'),
+                normalizedBaseParts = baseParts,
+                map = config.map,
+                starMap = map && map['*'];
+
+            //Adjust any relative paths.
+            if (name && name.charAt(0) === '.') {
+                //If have a base name, try to normalize against it,
+                //otherwise, assume it is a top-level require that will
+                //be relative to baseUrl in the end.
+                if (baseName) {
+                    if (getOwn(config.pkgs, baseName)) {
+                        //If the baseName is a package name, then just treat it as one
+                        //name to concat the name with.
+                        normalizedBaseParts = baseParts = [baseName];
+                    } else {
+                        //Convert baseName to array, and lop off the last part,
+                        //so that . matches that 'directory' and not name of the baseName's
+                        //module. For instance, baseName of 'one/two/three', maps to
+                        //'one/two/three.js', but we want the directory, 'one/two' for
+                        //this normalization.
+                        normalizedBaseParts = baseParts.slice(0, baseParts.length - 1);
+                    }
+
+                    name = normalizedBaseParts.concat(name.split('/'));
+                    trimDots(name);
+
+                    //Some use of packages may use a . path to reference the
+                    //'main' module name, so normalize for that.
+                    pkgConfig = getOwn(config.pkgs, (pkgName = name[0]));
+                    name = name.join('/');
+                    if (pkgConfig && name === pkgName + '/' + pkgConfig.main) {
+                        name = pkgName;
+                    }
+                } else if (name.indexOf('./') === 0) {
+                    // No baseName, so this is ID is resolved relative
+                    // to baseUrl, pull off the leading dot.
+                    name = name.substring(2);
+                }
+            }
+
+            //Apply map config if available.
+            if (applyMap && map && (baseParts || starMap)) {
+                nameParts = name.split('/');
+
+                for (i = nameParts.length; i > 0; i -= 1) {
+                    nameSegment = nameParts.slice(0, i).join('/');
+
+                    if (baseParts) {
+                        //Find the longest baseName segment match in the config.
+                        //So, do joins on the biggest to smallest lengths of baseParts.
+                        for (j = baseParts.length; j > 0; j -= 1) {
+                            mapValue = getOwn(map, baseParts.slice(0, j).join('/'));
+
+                            //baseName segment has config, find if it has one for
+                            //this name.
+                            if (mapValue) {
+                                mapValue = getOwn(mapValue, nameSegment);
+                                if (mapValue) {
+                                    //Match, update name to the new value.
+                                    foundMap = mapValue;
+                                    foundI = i;
+                                    break;
+                                }
+                            }
+                        }
+                    }
+
+                    if (foundMap) {
+                        break;
+                    }
+
+                    //Check for a star map match, but just hold on to it,
+                    //if there is a shorter segment match later in a matching
+                    //config, then favor over this star map.
+                    if (!foundStarMap && starMap && getOwn(starMap, nameSegment)) {
+                        foundStarMap = getOwn(starMap, nameSegment);
+                        starI = i;
+                    }
+                }
+
+                if (!foundMap && foundStarMap) {
+                    foundMap = foundStarMap;
+                    foundI = starI;
+                }
+
+                if (foundMap) {
+                    nameParts.splice(0, foundI, foundMap);
+                    name = nameParts.join('/');
+                }
+            }
+
+            return name;
+        }
+
+        function removeScript(name) {
+            if (isBrowser) {
+                each(scripts(), function (scriptNode) {
+                    if (scriptNode.getAttribute('data-requiremodule') === name &&
+                            scriptNode.getAttribute('data-requirecontext') === context.contextName) {
+                        scriptNode.parentNode.removeChild(scriptNode);
+                        return true;
+                    }
+                });
+            }
+        }
+
+        function hasPathFallback(id) {
+            var pathConfig = getOwn(config.paths, id);
+            if (pathConfig && isArray(pathConfig) && pathConfig.length > 1) {
+                removeScript(id);
+                //Pop off the first array value, since it failed, and
+                //retry
+                pathConfig.shift();
+                context.require.undef(id);
+                context.require([id]);
+                return true;
+            }
+        }
+
+        //Turns a plugin!resource to [plugin, resource]
+        //with the plugin being undefined if the name
+        //did not have a plugin prefix.
+        function splitPrefix(name) {
+            var prefix,
+                index = name ? name.indexOf('!') : -1;
+            if (index > -1) {
+                prefix = name.substring(0, index);
+                name = name.substring(index + 1, name.length);
+            }
+            return [prefix, name];
+        }
+
+        /**
+         * Creates a module mapping that includes plugin prefix, module
+         * name, and path. If parentModuleMap is provided it will
+         * also normalize the name via require.normalize()
+         *
+         * @param {String} name the module name
+         * @param {String} [parentModuleMap] parent module map
+         * for the module name, used to resolve relative names.
+         * @param {Boolean} isNormalized: is the ID already normalized.
+         * This is true if this call is done for a define() module ID.
+         * @param {Boolean} applyMap: apply the map config to the ID.
+         * Should only be true if this map is for a dependency.
+         *
+         * @returns {Object}
+         */
+        function makeModuleMap(name, parentModuleMap, isNormalized, applyMap) {
+            var url, pluginModule, suffix, nameParts,
+                prefix = null,
+                parentName = parentModuleMap ? parentModuleMap.name : null,
+                originalName = name,
+                isDefine = true,
+                normalizedName = '';
+
+            //If no name, then it means it is a require call, generate an
+            //internal name.
+            if (!name) {
+                isDefine = false;
+                name = '_@r' + (requireCounter += 1);
+            }
+
+            nameParts = splitPrefix(name);
+            prefix = nameParts[0];
+            name = nameParts[1];
+
+            if (prefix) {
+                prefix = normalize(prefix, parentName, applyMap);
+                pluginModule = getOwn(defined, prefix);
+            }
+
+            //Account for relative paths if there is a base name.
+            if (name) {
+                if (prefix) {
+                    if (pluginModule && pluginModule.normalize) {
+                        //Plugin is loaded, use its normalize method.
+                        normalizedName = pluginModule.normalize(name, function (name) {
+                            return normalize(name, parentName, applyMap);
+                        });
+                    } else {
+                        normalizedName = normalize(name, parentName, applyMap);
+                    }
+                } else {
+                    //A regular module.
+                    normalizedName = normalize(name, parentName, applyMap);
+
+                    //Normalized name may be a plugin ID due to map config
+                    //application in normalize. The map config values must
+                    //already be normalized, so do not need to redo that part.
+                    nameParts = splitPrefix(normalizedName);
+                    prefix = nameParts[0];
+                    normalizedName = nameParts[1];
+                    isNormalized = true;
+
+                    url = context.nameToUrl(normalizedName);
+                }
+            }
+
+            //If the id is a plugin id that cannot be determined if it needs
+            //normalization, stamp it with a unique ID so two matching relative
+            //ids that may conflict can be separate.
+            suffix = prefix && !pluginModule && !isNormalized ?
+                     '_unnormalized' + (unnormalizedCounter += 1) :
+                     '';
+
+            return {
+                prefix: prefix,
+                name: normalizedName,
+                parentMap: parentModuleMap,
+                unnormalized: !!suffix,
+                url: url,
+                originalName: originalName,
+                isDefine: isDefine,
+                id: (prefix ?
+                        prefix + '!' + normalizedName :
+                        normalizedName) + suffix
+            };
+        }
+
+        function getModule(depMap) {
+            var id = depMap.id,
+                mod = getOwn(registry, id);
+
+            if (!mod) {
+                mod = registry[id] = new context.Module(depMap);
+            }
+
+            return mod;
+        }
+
+        function on(depMap, name, fn) {
+            var id = depMap.id,
+                mod = getOwn(registry, id);
+
+            if (hasProp(defined, id) &&
+                    (!mod || mod.defineEmitComplete)) {
+                if (name === 'defined') {
+                    fn(defined[id]);
+                }
+            } else {
+                getModule(depMap).on(name, fn);
+            }
+        }
+
+        function onError(err, errback) {
+            var ids = err.requireModules,
+                notified = false;
+
+            if (errback) {
+                errback(err);
+            } else {
+                each(ids, function (id) {
+                    var mod = getOwn(registry, id);
+                    if (mod) {
+                        //Set error on module, so it skips timeout checks.
+                        mod.error = err;
+                        if (mod.events.error) {
+                            notified = true;
+                            mod.emit('error', err);
+                        }
+                    }
+                });
+
+                if (!notified) {
+                    req.onError(err);
+                }
+            }
+        }
+
+        /**
+         * Internal method to transfer globalQueue items to this context's
+         * defQueue.
+         */
+        function takeGlobalQueue() {
+            //Push all the globalDefQueue items into the context's defQueue
+            if (globalDefQueue.length) {
+                //Array splice in the values since the context code has a
+                //local var ref to defQueue, so cannot just reassign the one
+                //on context.
+                apsp.apply(defQueue,
+                           [defQueue.length - 1, 0].concat(globalDefQueue));
+                globalDefQueue = [];
+            }
+        }
+
+        handlers = {
+            'require': function (mod) {
+                if (mod.require) {
+                    return mod.require;
+                } else {
+                    return (mod.require = context.makeRequire(mod.map));
+                }
+            },
+            'exports': function (mod) {
+                mod.usingExports = true;
+                if (mod.map.isDefine) {
+                    if (mod.exports) {
+                        return mod.exports;
+                    } else {
+                        return (mod.exports = defined[mod.map.id] = {});
+                    }
+                }
+            },
+            'module': function (mod) {
+                if (mod.module) {
+                    return mod.module;
+                } else {
+                    return (mod.module = {
+                        id: mod.map.id,
+                        uri: mod.map.url,
+                        config: function () {
+                            return (config.config && getOwn(config.config, mod.map.id)) || {};
+                        },
+                        exports: defined[mod.map.id]
+                    });
+                }
+            }
+        };
+
+        function cleanRegistry(id) {
+            //Clean up machinery used for waiting modules.
+            delete registry[id];
+            delete enabledRegistry[id];
+        }
+
+        function breakCycle(mod, traced, processed) {
+            var id = mod.map.id;
+
+            if (mod.error) {
+                mod.emit('error', mod.error);
+            } else {
+                traced[id] = true;
+                each(mod.depMaps, function (depMap, i) {
+                    var depId = depMap.id,
+                        dep = getOwn(registry, depId);
+
+                    //Only force things that have not completed
+                    //being defined, so still in the registry,
+                    //and only if it has not been matched up
+                    //in the module already.
+                    if (dep && !mod.depMatched[i] && !processed[depId]) {
+                        if (getOwn(traced, depId)) {
+                            mod.defineDep(i, defined[depId]);
+                            mod.check(); //pass false?
+                        } else {
+                            breakCycle(dep, traced, processed);
+                        }
+                    }
+                });
+                processed[id] = true;
+            }
+        }
+
+        function checkLoaded() {
+            var map, modId, err, usingPathFallback,
+                waitInterval = config.waitSeconds * 1000,
+                //It is possible to disable the wait interval by using waitSeconds of 0.
+                expired = waitInterval && (context.startTime + waitInterval) < new Date().getTime(),
+                noLoads = [],
+                reqCalls = [],
+                stillLoading = false,
+                needCycleCheck = true;
+
+            //Do not bother if this call was a result of a cycle break.
+            if (inCheckLoaded) {
+                return;
+            }
+
+            inCheckLoaded = true;
+
+            //Figure out the state of all the modules.
+            eachProp(enabledRegistry, function (mod) {
+                map = mod.map;
+                modId = map.id;
+
+                //Skip things that are not enabled or in error state.
+                if (!mod.enabled) {
+                    return;
+                }
+
+                if (!map.isDefine) {
+                    reqCalls.push(mod);
+                }
+
+                if (!mod.error) {
+                    //If the module should be executed, and it has not
+                    //been inited and time is up, remember it.
+                    if (!mod.inited && expired) {
+                        if (hasPathFallback(modId)) {
+                            usingPathFallback = true;
+                            stillLoading = true;
+                        } else {
+                            noLoads.push(modId);
+                            removeScript(modId);
+                        }
+                    } else if (!mod.inited && mod.fetched && map.isDefine) {
+                        stillLoading = true;
+                        if (!map.prefix) {
+                            //No reason to keep looking for unfinished
+                            //loading. If the only stillLoading is a
+                            //plugin resource though, keep going,
+                            //because it may be that a plugin resource
+                            //is waiting on a non-plugin cycle.
+                            return (needCycleCheck = false);
+                        }
+                    }
+                }
+            });
+
+            if (expired && noLoads.length) {
+                //If wait time expired, throw error of unloaded modules.
+                err = makeError('timeout', 'Load timeout for modules: ' + noLoads, null, noLoads);
+                err.contextName = context.contextName;
+                return onError(err);
+            }
+
+            //Not expired, check for a cycle.
+            if (needCycleCheck) {
+                each(reqCalls, function (mod) {
+                    breakCycle(mod, {}, {});
+                });
+            }
+
+            //If still waiting on loads, and the waiting load is something
+            //other than a plugin resource, or there are still outstanding
+            //scripts, then just try back later.
+            if ((!expired || usingPathFallback) && stillLoading) {
+                //Something is still waiting to load. Wait for it, but only
+                //if a timeout is not already in effect.
+                if ((isBrowser || isWebWorker) && !checkLoadedTimeoutId) {
+                    checkLoadedTimeoutId = setTimeout(function () {
+                        checkLoadedTimeoutId = 0;
+                        checkLoaded();
+                    }, 50);
+                }
+            }
+
+            inCheckLoaded = false;
+        }
+
+        Module = function (map) {
+            this.events = getOwn(undefEvents, map.id) || {};
+            this.map = map;
+            this.shim = getOwn(config.shim, map.id);
+            this.depExports = [];
+            this.depMaps = [];
+            this.depMatched = [];
+            this.pluginMaps = {};
+            this.depCount = 0;
+
+            /* this.exports this.factory
+               this.depMaps = [],
+               this.enabled, this.fetched
+            */
+        };
+
+        Module.prototype = {
+            init: function (depMaps, factory, errback, options) {
+                options = options || {};
+
+                //Do not do more inits if already done. Can happen if there
+                //are multiple define calls for the same module. That is not
+                //a normal, common case, but it is also not unexpected.
+                if (this.inited) {
+                    return;
+                }
+
+                this.factory = factory;
+
+                if (errback) {
+                    //Register for errors on this module.
+                    this.on('error', errback);
+                } else if (this.events.error) {
+                    //If no errback already, but there are error listeners
+                    //on this module, set up an errback to pass to the deps.
+                    errback = bind(this, function (err) {
+                        this.emit('error', err);
+                    });
+                }
+
+                //Do a copy of the dependency array, so that
+                //source inputs are not modified. For example
+                //"shim" deps are passed in here directly, and
+                //doing a direct modification of the depMaps array
+                //would affect that config.
+                this.depMaps = depMaps && depMaps.slice(0);
+
+                this.errback = errback;
+
+                //Indicate this module has be initialized
+                this.inited = true;
+
+                this.ignore = options.ignore;
+
+                //Could have option to init this module in enabled mode,
+                //or could have been previously marked as enabled. However,
+                //the dependencies are not known until init is called. So
+                //if enabled previously, now trigger dependencies as enabled.
+                if (options.enabled || this.enabled) {
+                    //Enable this module and dependencies.
+                    //Will call this.check()
+                    this.enable();
+                } else {
+                    this.check();
+                }
+            },
+
+            defineDep: function (i, depExports) {
+                //Because of cycles, defined callback for a given
+                //export can be called more than once.
+                if (!this.depMatched[i]) {
+                    this.depMatched[i] = true;
+                    this.depCount -= 1;
+                    this.depExports[i] = depExports;
+                }
+            },
+
+            fetch: function () {
+                if (this.fetched) {
+                    return;
+                }
+                this.fetched = true;
+
+                context.startTime = (new Date()).getTime();
+
+                var map = this.map;
+
+                //If the manager is for a plugin managed resource,
+                //ask the plugin to load it now.
+                if (this.shim) {
+                    context.makeRequire(this.map, {
+                        enableBuildCallback: true
+                    })(this.shim.deps || [], bind(this, function () {
+                        return map.prefix ? this.callPlugin() : this.load();
+                    }));
+                } else {
+                    //Regular dependency.
+                    return map.prefix ? this.callPlugin() : this.load();
+                }
+            },
+
+            load: function () {
+                var url = this.map.url;
+
+                //Regular dependency.
+                if (!urlFetched[url]) {
+                    urlFetched[url] = true;
+                    context.load(this.map.id, url);
+                }
+            },
+
+            /**
+             * Checks if the module is ready to define itself, and if so,
+             * define it.
+             */
+            check: function () {
+                if (!this.enabled || this.enabling) {
+                    return;
+                }
+
+                var err, cjsModule,
+                    id = this.map.id,
+                    depExports = this.depExports,
+                    exports = this.exports,
+                    factory = this.factory;
+
+                if (!this.inited) {
+                    this.fetch();
+                } else if (this.error) {
+                    this.emit('error', this.error);
+                } else if (!this.defining) {
+                    //The factory could trigger another require call
+                    //that would result in checking this module to
+                    //define itself again. If already in the process
+                    //of doing that, skip this work.
+                    this.defining = true;
+
+                    if (this.depCount < 1 && !this.defined) {
+                        if (isFunction(factory)) {
+                            //If there is an error listener, favor passing
+                            //to that instead of throwing an error.
+                            if (this.events.error) {
+                                try {
+                                    exports = context.execCb(id, factory, depExports, exports);
+                                } catch (e) {
+                                    err = e;
+                                }
+                            } else {
+                                exports = context.execCb(id, factory, depExports, exports);
+                            }
+
+                            if (this.map.isDefine) {
+                                //If setting exports via 'module' is in play,
+                                //favor that over return value and exports. After that,
+                                //favor a non-undefined return value over exports use.
+                                cjsModule = this.module;
+                                if (cjsModule &&
+                                        cjsModule.exports !== undefined &&
+                                        //Make sure it is not already the exports value
+                                        cjsModule.exports !== this.exports) {
+                                    exports = cjsModule.exports;
+                                } else if (exports === undefined && this.usingExports) {
+                                    //exports already set the defined value.
+                                    exports = this.exports;
+                                }
+                            }
+
+                            if (err) {
+                                err.requireMap = this.map;
+                                err.requireModules = [this.map.id];
+                                err.requireType = 'define';
+                                return onError((this.error = err));
+                            }
+
+                        } else {
+                            //Just a literal value
+                            exports = factory;
+                        }
+
+                        this.exports = exports;
+
+                        if (this.map.isDefine && !this.ignore) {
+                            defined[id] = exports;
+
+                            if (req.onResourceLoad) {
+                                req.onResourceLoad(context, this.map, this.depMaps);
+                            }
+                        }
+
+                        //Clean up
+                        cleanRegistry(id);
+
+                        this.defined = true;
+                    }
+
+                    //Finished the define stage. Allow calling check again
+                    //to allow define notifications below in the case of a
+                    //cycle.
+                    this.defining = false;
+
+                    if (this.defined && !this.defineEmitted) {
+                        this.defineEmitted = true;
+                        this.emit('defined', this.exports);
+                        this.defineEmitComplete = true;
+                    }
+
+                }
+            },
+
+            callPlugin: function () {
+                var map = this.map,
+                    id = map.id,
+                    //Map already normalized the prefix.
+                    pluginMap = makeModuleMap(map.prefix);
+
+                //Mark this as a dependency for this plugin, so it
+                //can be traced for cycles.
+                this.depMaps.push(pluginMap);
+
+                on(pluginMap, 'defined', bind(this, function (plugin) {
+                    var load, normalizedMap, normalizedMod,
+                        name = this.map.name,
+                        parentName = this.map.parentMap ? this.map.parentMap.name : null,
+                        localRequire = context.makeRequire(map.parentMap, {
+                            enableBuildCallback: true
+                        });
+
+                    //If current map is not normalized, wait for that
+                    //normalized name to load instead of continuing.
+                    if (this.map.unnormalized) {
+                        //Normalize the ID if the plugin allows it.
+                        if (plugin.normalize) {
+                            name = plugin.normalize(name, function (name) {
+                                return normalize(name, parentName, true);
+                            }) || '';
+                        }
+
+                        //prefix and name should already be normalized, no need
+                        //for applying map config again either.
+                        normalizedMap = makeModuleMap(map.prefix + '!' + name,
+                                                      this.map.parentMap);
+                        on(normalizedMap,
+                            'defined', bind(this, function (value) {
+                                this.init([], function () { return value; }, null, {
+                                    enabled: true,
+                                    ignore: true
+                                });
+                            }));
+
+                        normalizedMod = getOwn(registry, normalizedMap.id);
+                        if (normalizedMod) {
+                            //Mark this as a dependency for this plugin, so it
+                            //can be traced for cycles.
+                            this.depMaps.push(normalizedMap);
+
+                            if (this.events.error) {
+                                normalizedMod.on('error', bind(this, function (err) {
+                                    this.emit('error', err);
+                                }));
+                            }
+                            normalizedMod.enable();
+                        }
+
+                        return;
+                    }
+
+                    load = bind(this, function (value) {
+                        this.init([], function () { return value; }, null, {
+                            enabled: true
+                        });
+                    });
+
+                    load.error = bind(this, function (err) {
+                        this.inited = true;
+                        this.error = err;
+                        err.requireModules = [id];
+
+                        //Remove temp unnormalized modules for this module,
+                        //since they will never be resolved otherwise now.
+                        eachProp(registry, function (mod) {
+                            if (mod.map.id.indexOf(id + '_unnormalized') === 0) {
+                                cleanRegistry(mod.map.id);
+                            }
+                        });
+
+                        onError(err);
+                    });
+
+                    //Allow plugins to load other code without having to know the
+                    //context or how to 'complete' the load.
+                    load.fromText = bind(this, function (text, textAlt) {
+                        /*jslint evil: true */
+                        var moduleName = map.name,
+                            moduleMap = makeModuleMap(moduleName),
+                            hasInteractive = useInteractive;
+
+                        //As of 2.1.0, support just passing the text, to reinforce
+                        //fromText only being called once per resource. Still
+                        //support old style of passing moduleName but discard
+                        //that moduleName in favor of the internal ref.
+                        if (textAlt) {
+                            text = textAlt;
+                        }
+
+                        //Turn off interactive script matching for IE for any define
+                        //calls in the text, then turn it back on at the end.
+                        if (hasInteractive) {
+                            useInteractive = false;
+                        }
+
+                        //Prime the system by creating a module instance for
+                        //it.
+                        getModule(moduleMap);
+
+                        //Transfer any config to this other module.
+                        if (hasProp(config.config, id)) {
+                            config.config[moduleName] = config.config[id];
+                        }
+
+                        try {
+                            req.exec(text);
+                        } catch (e) {
+                            return onError(makeError('fromtexteval',
+                                             'fromText eval for ' + id +
+                                            ' failed: ' + e,
+                                             e,
+                                             [id]));
+                        }
+
+                        if (hasInteractive) {
+                            useInteractive = true;
+                        }
+
+                        //Mark this as a dependency for the plugin
+                        //resource
+                        this.depMaps.push(moduleMap);
+
+                        //Support anonymous modules.
+                        context.completeLoad(moduleName);
+
+                        //Bind the value of that module to the value for this
+                        //resource ID.
+                        localRequire([moduleName], load);
+                    });
+
+                    //Use parentName here since the plugin's name is not reliable,
+                    //could be some weird string with no path that actually wants to
+                    //reference the parentName's path.
+                    plugin.load(map.name, localRequire, load, config);
+                }));
+
+                context.enable(pluginMap, this);
+                this.pluginMaps[pluginMap.id] = pluginMap;
+            },
+
+            enable: function () {
+                enabledRegistry[this.map.id] = this;
+                this.enabled = true;
+
+                //Set flag mentioning that the module is enabling,
+                //so that immediate calls to the defined callbacks
+                //for dependencies do not trigger inadvertent load
+                //with the depCount still being zero.
+                this.enabling = true;
+
+                //Enable each dependency
+                each(this.depMaps, bind(this, function (depMap, i) {
+                    var id, mod, handler;
+
+                    if (typeof depMap === 'string') {
+                        //Dependency needs to be converted to a depMap
+                        //and wired up to this module.
+                        depMap = makeModuleMap(depMap,
+                                               (this.map.isDefine ? this.map : this.map.parentMap),
+                                               false,
+                                               !this.skipMap);
+                        this.depMaps[i] = depMap;
+
+                        handler = getOwn(handlers, depMap.id);
+
+                        if (handler) {
+                            this.depExports[i] = handler(this);
+                            return;
+                        }
+
+                        this.depCount += 1;
+
+                        on(depMap, 'defined', bind(this, function (depExports) {
+                            this.defineDep(i, depExports);
+                            this.check();
+                        }));
+
+                        if (this.errback) {
+                            on(depMap, 'error', this.errback);
+                        }
+                    }
+
+                    id = depMap.id;
+                    mod = registry[id];
+
+                    //Skip special modules like 'require', 'exports', 'module'
+                    //Also, don't call enable if it is already enabled,
+                    //important in circular dependency cases.
+                    if (!hasProp(handlers, id) && mod && !mod.enabled) {
+                        context.enable(depMap, this);
+                    }
+                }));
+
+                //Enable each plugin that is used in
+                //a dependency
+                eachProp(this.pluginMaps, bind(this, function (pluginMap) {
+                    var mod = getOwn(registry, pluginMap.id);
+                    if (mod && !mod.enabled) {
+                        context.enable(pluginMap, this);
+                    }
+                }));
+
+                this.enabling = false;
+
+                this.check();
+            },
+
+            on: function (name, cb) {
+                var cbs = this.events[name];
+                if (!cbs) {
+                    cbs = this.events[name] = [];
+                }
+                cbs.push(cb);
+            },
+
+            emit: function (name, evt) {
+                each(this.events[name], function (cb) {
+                    cb(evt);
+                });
+                if (name === 'error') {
+                    //Now that the error handler was triggered, remove
+                    //the listeners, since this broken Module instance
+                    //can stay around for a while in the registry.
+                    delete this.events[name];
+                }
+            }
+        };
+
+        function callGetModule(args) {
+            //Skip modules already defined.
+            if (!hasProp(defined, args[0])) {
+                getModule(makeModuleMap(args[0], null, true)).init(args[1], args[2]);
+            }
+        }
+
+        function removeListener(node, func, name, ieName) {
+            //Favor detachEvent because of IE9
+            //issue, see attachEvent/addEventListener comment elsewhere
+            //in this file.
+            if (node.detachEvent && !isOpera) {
+                //Probably IE. If not it will throw an error, which will be
+                //useful to know.
+                if (ieName) {
+                    node.detachEvent(ieName, func);
+                }
+            } else {
+                node.removeEventListener(name, func, false);
+            }
+        }
+
+        /**
+         * Given an event from a script node, get the requirejs info from it,
+         * and then removes the event listeners on the node.
+         * @param {Event} evt
+         * @returns {Object}
+         */
+        function getScriptData(evt) {
+            //Using currentTarget instead of target for Firefox 2.0's sake. Not
+            //all old browsers will be supported, but this one was easy enough
+            //to support and still makes sense.
+            var node = evt.currentTarget || evt.srcElement;
+
+            //Remove the listeners once here.
+            removeListener(node, context.onScriptLoad, 'load', 'onreadystatechange');
+            removeListener(node, context.onScriptError, 'error');
+
+            return {
+                node: node,
+                id: node && node.getAttribute('data-requiremodule')
+            };
+        }
+
+        function intakeDefines() {
+            var args;
+
+            //Any defined modules in the global queue, intake them now.
+            takeGlobalQueue();
+
+            //Make sure any remaining defQueue items get properly processed.
+            while (defQueue.length) {
+                args = defQueue.shift();
+                if (args[0] === null) {
+                    return onError(makeError('mismatch', 'Mismatched anonymous define() module: ' + args[args.length - 1]));
+                } else {
+                    //args are id, deps, factory. Should be normalized by the
+                    //define() function.
+                    callGetModule(args);
+                }
+            }
+        }
+
+        context = {
+            config: config,
+            contextName: contextName,
+            registry: registry,
+            defined: defined,
+            urlFetched: urlFetched,
+            defQueue: defQueue,
+            Module: Module,
+            makeModuleMap: makeModuleMap,
+            nextTick: req.nextTick,
+            onError: onError,
+
+            /**
+             * Set a configuration for the context.
+             * @param {Object} cfg config object to integrate.
+             */
+            configure: function (cfg) {
+                //Make sure the baseUrl ends in a slash.
+                if (cfg.baseUrl) {
+                    if (cfg.baseUrl.charAt(cfg.baseUrl.length - 1) !== '/') {
+                        cfg.baseUrl += '/';
+                    }
+                }
+
+                //Save off the paths and packages since they require special processing,
+                //they are additive.
+                var pkgs = config.pkgs,
+                    shim = config.shim,
+                    objs = {
+                        paths: true,
+                        config: true,
+                        map: true
+                    };
+
+                eachProp(cfg, function (value, prop) {
+                    if (objs[prop]) {
+                        if (prop === 'map') {
+                            if (!config.map) {
+                                config.map = {};
+                            }
+                            mixin(config[prop], value, true, true);
+                        } else {
+                            mixin(config[prop], value, true);
+                        }
+                    } else {
+                        config[prop] = value;
+                    }
+                });
+
+                //Merge shim
+                if (cfg.shim) {
+                    eachProp(cfg.shim, function (value, id) {
+                        //Normalize the structure
+                        if (isArray(value)) {
+                            value = {
+                                deps: value
+                            };
+                        }
+                        if ((value.exports || value.init) && !value.exportsFn) {
+                            value.exportsFn = context.makeShimExports(value);
+                        }
+                        shim[id] = value;
+                    });
+                    config.shim = shim;
+                }
+
+                //Adjust packages if necessary.
+                if (cfg.packages) {
+                    each(cfg.packages, function (pkgObj) {
+                        var location;
+
+                        pkgObj = typeof pkgObj === 'string' ? { name: pkgObj } : pkgObj;
+                        location = pkgObj.location;
+
+                        //Create a brand new object on pkgs, since currentPackages can
+                        //be passed in again, and config.pkgs is the internal transformed
+                        //state for all package configs.
+                        pkgs[pkgObj.name] = {
+                            name: pkgObj.name,
+                            location: location || pkgObj.name,
+                            //Remove leading dot in main, so main paths are normalized,
+                            //and remove any trailing .js, since different package
+                            //envs have different conventions: some use a module name,
+                            //some use a file name.
+                            main: (pkgObj.main || 'main')
+                                  .replace(currDirRegExp, '')
+                                  .replace(jsSuffixRegExp, '')
+                        };
+                    });
+
+                    //Done with modifications, assing packages back to context config
+                    config.pkgs = pkgs;
+                }
+
+                //If there are any "waiting to execute" modules in the registry,
+                //update the maps for them, since their info, like URLs to load,
+                //may have changed.
+                eachProp(registry, function (mod, id) {
+                    //If module already has init called, since it is too
+                    //late to modify them, and ignore unnormalized ones
+                    //since they are transient.
+                    if (!mod.inited && !mod.map.unnormalized) {
+                        mod.map = makeModuleMap(id);
+                    }
+                });
+
+                //If a deps array or a config callback is specified, then call
+                //require with those args. This is useful when require is defined as a
+                //config object before require.js is loaded.
+                if (cfg.deps || cfg.callback) {
+                    context.require(cfg.deps || [], cfg.callback);
+                }
+            },
+
+            makeShimExports: function (value) {
+                function fn() {
+                    var ret;
+                    if (value.init) {
+                        ret = value.init.apply(global, arguments);
+                    }
+                    return ret || (value.exports && getGlobal(value.exports));
+                }
+                return fn;
+            },
+
+            makeRequire: function (relMap, options) {
+                options = options || {};
+
+                function localRequire(deps, callback, errback) {
+                    var id, map, requireMod;
+
+                    if (options.enableBuildCallback && callback && isFunction(callback)) {
+                        callback.__requireJsBuild = true;
+                    }
+
+                    if (typeof deps === 'string') {
+                        if (isFunction(callback)) {
+                            //Invalid call
+                            return onError(makeError('requireargs', 'Invalid require call'), errback);
+                        }
+
+                        //If require|exports|module are requested, get the
+                        //value for them from the special handlers. Caveat:
+                        //this only works while module is being defined.
+                        if (relMap && hasProp(handlers, deps)) {
+                            return handlers[deps](registry[relMap.id]);
+                        }
+
+                        //Synchronous access to one module. If require.get is
+                        //available (as in the Node adapter), prefer that.
+                        if (req.get) {
+                            return req.get(context, deps, relMap, localRequire);
+                        }
+
+                        //Normalize module name, if it contains . or ..
+                        map = makeModuleMap(deps, relMap, false, true);
+                        id = map.id;
+
+                        if (!hasProp(defined, id)) {
+                            return onError(makeError('notloaded', 'Module name "' +
+                                        id +
+                                        '" has not been loaded yet for context: ' +
+                                        contextName +
+                                        (relMap ? '' : '. Use require([])')));
+                        }
+                        return defined[id];
+                    }
+
+                    //Grab defines waiting in the global queue.
+                    intakeDefines();
+
+                    //Mark all the dependencies as needing to be loaded.
+                    context.nextTick(function () {
+                        //Some defines could have been added since the
+                        //require call, collect them.
+                        intakeDefines();
+
+                        requireMod = getModule(makeModuleMap(null, relMap));
+
+                        //Store if map config should be applied to this require
+                        //call for dependencies.
+                        requireMod.skipMap = options.skipMap;
+
+                        requireMod.init(deps, callback, errback, {
+                            enabled: true
+                        });
+
+                        checkLoaded();
+                    });
+
+                    return localRequire;
+                }
+
+                mixin(localRequire, {
+                    isBrowser: isBrowser,
+
+                    /**
+                     * Converts a module name + .extension into an URL path.
+                     * *Requires* the use of a module name. It does not support using
+                     * plain URLs like nameToUrl.
+                     */
+                    toUrl: function (moduleNamePlusExt) {
+                        var ext,
+                            index = moduleNamePlusExt.lastIndexOf('.'),
+                            segment = moduleNamePlusExt.split('/')[0],
+                            isRelative = segment === '.' || segment === '..';
+
+                        //Have a file extension alias, and it is not the
+                        //dots from a relative path.
+                        if (index !== -1 && (!isRelative || index > 1)) {
+                            ext = moduleNamePlusExt.substring(index, moduleNamePlusExt.length);
+                            moduleNamePlusExt = moduleNamePlusExt.substring(0, index);
+                        }
+
+                        return context.nameToUrl(normalize(moduleNamePlusExt,
+                                                relMap && relMap.id, true), ext,  true);
+                    },
+
+                    defined: function (id) {
+                        return hasProp(defined, makeModuleMap(id, relMap, false, true).id);
+                    },
+
+                    specified: function (id) {
+                        id = makeModuleMap(id, relMap, false, true).id;
+                        return hasProp(defined, id) || hasProp(registry, id);
+                    }
+                });
+
+                //Only allow undef on top level require calls
+                if (!relMap) {
+                    localRequire.undef = function (id) {
+                        //Bind any waiting define() calls to this context,
+                        //fix for #408
+                        takeGlobalQueue();
+
+                        var map = makeModuleMap(id, relMap, true),
+                            mod = getOwn(registry, id);
+
+                        delete defined[id];
+                        delete urlFetched[map.url];
+                        delete undefEvents[id];
+
+                        if (mod) {
+                            //Hold on to listeners in case the
+                            //module will be attempted to be reloaded
+                            //using a different config.
+                            if (mod.events.defined) {
+                                undefEvents[id] = mod.events;
+                            }
+
+                            cleanRegistry(id);
+                        }
+                    };
+                }
+
+                return localRequire;
+            },
+
+            /**
+             * Called to enable a module if it is still in the registry
+             * awaiting enablement. A second arg, parent, the parent module,
+             * is passed in for context, when this method is overriden by
+             * the optimizer. Not shown here to keep code compact.
+             */
+            enable: function (depMap) {
+                var mod = getOwn(registry, depMap.id);
+                if (mod) {
+                    getModule(depMap).enable();
+                }
+            },
+
+            /**
+             * Internal method used by environment adapters to complete a load event.
+             * A load event could be a script load or just a load pass from a synchronous
+             * load call.
+             * @param {String} moduleName the name of the module to potentially complete.
+             */
+            completeLoad: function (moduleName) {
+                var found, args, mod,
+                    shim = getOwn(config.shim, moduleName) || {},
+                    shExports = shim.exports;
+
+                takeGlobalQueue();
+
+                while (defQueue.length) {
+                    args = defQueue.shift();
+                    if (args[0] === null) {
+                        args[0] = moduleName;
+                        //If already found an anonymous module and bound it
+                        //to this name, then this is some other anon module
+                        //waiting for its completeLoad to fire.
+                        if (found) {
+                            break;
+                        }
+                        found = true;
+                    } else if (args[0] === moduleName) {
+                        //Found matching define call for this script!
+                        found = true;
+                    }
+
+                    callGetModule(args);
+                }
+
+                //Do this after the cycle of callGetModule in case the result
+                //of those calls/init calls changes the registry.
+                mod = getOwn(registry, moduleName);
+
+                if (!found && !hasProp(defined, moduleName) && mod && !mod.inited) {
+                    if (config.enforceDefine && (!shExports || !getGlobal(shExports))) {
+                        if (hasPathFallback(moduleName)) {
+                            return;
+                        } else {
+                            return onError(makeError('nodefine',
+                                             'No define call for ' + moduleName,
+                                             null,
+                                             [moduleName]));
+                        }
+                    } else {
+                        //A script that does not call define(), so just simulate
+                        //the call for it.
+                        callGetModule([moduleName, (shim.deps || []), shim.exportsFn]);
+                    }
+                }
+
+                checkLoaded();
+            },
+
+            /**
+             * Converts a module name to a file path. Supports cases where
+             * moduleName may actually be just an URL.
+             * Note that it **does not** call normalize on the moduleName,
+             * it is assumed to have already been normalized. This is an
+             * internal API, not a public one. Use toUrl for the public API.
+             */
+            nameToUrl: function (moduleName, ext, skipExt) {
+                var paths, pkgs, pkg, pkgPath, syms, i, parentModule, url,
+                    parentPath;
+
+                //If a colon is in the URL, it indicates a protocol is used and it is just
+                //an URL to a file, or if it starts with a slash, contains a query arg (i.e. ?)
+                //or ends with .js, then assume the user meant to use an url and not a module id.
+                //The slash is important for protocol-less URLs as well as full paths.
+                if (req.jsExtRegExp.test(moduleName)) {
+                    //Just a plain path, not module name lookup, so just return it.
+                    //Add extension if it is included. This is a bit wonky, only non-.js things pass
+                    //an extension, this method probably needs to be reworked.
+                    url = moduleName + (ext || '');
+                } else {
+                    //A module that needs to be converted to a path.
+                    paths = config.paths;
+                    pkgs = config.pkgs;
+
+                    syms = moduleName.split('/');
+                    //For each module name segment, see if there is a path
+                    //registered for it. Start with most specific name
+                    //and work up from it.
+                    for (i = syms.length; i > 0; i -= 1) {
+                        parentModule = syms.slice(0, i).join('/');
+                        pkg = getOwn(pkgs, parentModule);
+                        parentPath = getOwn(paths, parentModule);
+                        if (parentPath) {
+                            //If an array, it means there are a few choices,
+                            //Choose the one that is desired
+                            if (isArray(parentPath)) {
+                                parentPath = parentPath[0];
+                            }
+                            syms.splice(0, i, parentPath);
+                            break;
+                        } else if (pkg) {
+                            //If module name is just the package name, then looking
+                            //for the main module.
+                            if (moduleName === pkg.name) {
+                                pkgPath = pkg.location + '/' + pkg.main;
+                            } else {
+                                pkgPath = pkg.location;
+                            }
+                            syms.splice(0, i, pkgPath);
+                            break;
+                        }
+                    }
+
+                    //Join the path parts together, then figure out if baseUrl is needed.
+                    url = syms.join('/');
+                    url += (ext || (/\?/.test(url) || skipExt ? '' : '.js'));
+                    url = (url.charAt(0) === '/' || url.match(/^[\w\+\.\-]+:/) ? '' : config.baseUrl) + url;
+                }
+
+                return config.urlArgs ? url +
+                                        ((url.indexOf('?') === -1 ? '?' : '&') +
+                                         config.urlArgs) : url;
+            },
+
+            //Delegates to req.load. Broken out as a separate function to
+            //allow overriding in the optimizer.
+            load: function (id, url) {
+                req.load(context, id, url);
+            },
+
+            /**
+             * Executes a module callack function. Broken out as a separate function
+             * solely to allow the build system to sequence the files in the built
+             * layer in the right sequence.
+             *
+             * @private
+             */
+            execCb: function (name, callback, args, exports) {
+                return callback.apply(exports, args);
+            },
+
+            /**
+             * callback for script loads, used to check status of loading.
+             *
+             * @param {Event} evt the event from the browser for the script
+             * that was loaded.
+             */
+            onScriptLoad: function (evt) {
+                //Using currentTarget instead of target for Firefox 2.0's sake. Not
+                //all old browsers will be supported, but this one was easy enough
+                //to support and still makes sense.
+                if (evt.type === 'load' ||
+                        (readyRegExp.test((evt.currentTarget || evt.srcElement).readyState))) {
+                    //Reset interactive script so a script node is not held onto for
+                    //to long.
+                    interactiveScript = null;
+
+                    //Pull out the name of the module and the context.
+                    var data = getScriptData(evt);
+                    context.completeLoad(data.id);
+                }
+            },
+
+            /**
+             * Callback for script errors.
+             */
+            onScriptError: function (evt) {
+                var data = getScriptData(evt);
+                if (!hasPathFallback(data.id)) {
+                    return onError(makeError('scripterror', 'Script error', evt, [data.id]));
+                }
+            }
+        };
+
+        context.require = context.makeRequire();
+        return context;
+    }
+
+    /**
+     * Main entry point.
+     *
+     * If the only argument to require is a string, then the module that
+     * is represented by that string is fetched for the appropriate context.
+     *
+     * If the first argument is an array, then it will be treated as an array
+     * of dependency string names to fetch. An optional function callback can
+     * be specified to execute when all of those dependencies are available.
+     *
+     * Make a local req variable to help Caja compliance (it assumes things
+     * on a require that are not standardized), and to give a short
+     * name for minification/local scope use.
+     */
+    req = requirejs = function (deps, callback, errback, optional) {
+
+        //Find the right context, use default
+        var context, config,
+            contextName = defContextName;
+
+        // Determine if have config object in the call.
+        if (!isArray(deps) && typeof deps !== 'string') {
+            // deps is a config object
+            config = deps;
+            if (isArray(callback)) {
+                // Adjust args if there are dependencies
+                deps = callback;
+                callback = errback;
+                errback = optional;
+            } else {
+                deps = [];
+            }
+        }
+
+        if (config && config.context) {
+            contextName = config.context;
+        }
+
+        context = getOwn(contexts, contextName);
+        if (!context) {
+            context = contexts[contextName] = req.s.newContext(contextName);
+        }
+
+        if (config) {
+            context.configure(config);
+        }
+
+        return context.require(deps, callback, errback);
+    };
+
+    /**
+     * Support require.config() to make it easier to cooperate with other
+     * AMD loaders on globally agreed names.
+     */
+    req.config = function (config) {
+        return req(config);
+    };
+
+    /**
+     * Execute something after the current tick
+     * of the event loop. Override for other envs
+     * that have a better solution than setTimeout.
+     * @param  {Function} fn function to execute later.
+     */
+    req.nextTick = typeof setTimeout !== 'undefined' ? function (fn) {
+        setTimeout(fn, 4);
+    } : function (fn) { fn(); };
+
+    /**
+     * Export require as a global, but only if it does not already exist.
+     */
+    if (!require) {
+        require = req;
+    }
+
+    req.version = version;
+
+    //Used to filter out dependencies that are already paths.
+    req.jsExtRegExp = /^\/|:|\?|\.js$/;
+    req.isBrowser = isBrowser;
+    s = req.s = {
+        contexts: contexts,
+        newContext: newContext
+    };
+
+    //Create default context.
+    req({});
+
+    //Exports some context-sensitive methods on global require.
+    each([
+        'toUrl',
+        'undef',
+        'defined',
+        'specified'
+    ], function (prop) {
+        //Reference from contexts instead of early binding to default context,
+        //so that during builds, the latest instance of the default context
+        //with its config gets used.
+        req[prop] = function () {
+            var ctx = contexts[defContextName];
+            return ctx.require[prop].apply(ctx, arguments);
+        };
+    });
+
+    if (isBrowser) {
+        head = s.head = document.getElementsByTagName('head')[0];
+        //If BASE tag is in play, using appendChild is a problem for IE6.
+        //When that browser dies, this can be removed. Details in this jQuery bug:
+        //http://dev.jquery.com/ticket/2709
+        baseElement = document.getElementsByTagName('base')[0];
+        if (baseElement) {
+            head = s.head = baseElement.parentNode;
+        }
+    }
+
+    /**
+     * Any errors that require explicitly generates will be passed to this
+     * function. Intercept/override it if you want custom error handling.
+     * @param {Error} err the error object.
+     */
+    req.onError = function (err) {
+        throw err;
+    };
+
+    /**
+     * Does the request to load a module for the browser case.
+     * Make this a separate function to allow other environments
+     * to override it.
+     *
+     * @param {Object} context the require context to find state.
+     * @param {String} moduleName the name of the module.
+     * @param {Object} url the URL to the module.
+     */
+    req.load = function (context, moduleName, url) {
+        var config = (context && context.config) || {},
+            node;
+        if (isBrowser) {
+            //In the browser so use a script tag
+            node = config.xhtml ?
+                    document.createElementNS('http://www.w3.org/1999/xhtml', 'html:script') :
+                    document.createElement('script');
+            node.type = config.scriptType || 'text/javascript';
+            node.charset = 'utf-8';
+            node.async = true;
+
+            node.setAttribute('data-requirecontext', context.contextName);
+            node.setAttribute('data-requiremodule', moduleName);
+
+            //Set up load listener. Test attachEvent first because IE9 has
+            //a subtle issue in its addEventListener and script onload firings
+            //that do not match the behavior of all other browsers with
+            //addEventListener support, which fire the onload event for a
+            //script right after the script execution. See:
+            //https://connect.microsoft.com/IE/feedback/details/648057/script-onload-event-is-not-fired-immediately-after-script-execution
+            //UNFORTUNATELY Opera implements attachEvent but does not follow the script
+            //script execution mode.
+            if (node.attachEvent &&
+                    //Check if node.attachEvent is artificially added by custom script or
+                    //natively supported by browser
+                    //read https://github.com/jrburke/requirejs/issues/187
+                    //if we can NOT find [native code] then it must NOT natively supported.
+                    //in IE8, node.attachEvent does not have toString()
+                    //Note the test for "[native code" with no closing brace, see:
+                    //https://github.com/jrburke/requirejs/issues/273
+                    !(node.attachEvent.toString && node.attachEvent.toString().indexOf('[native code') < 0) &&
+                    !isOpera) {
+                //Probably IE. IE (at least 6-8) do not fire
+                //script onload right after executing the script, so
+                //we cannot tie the anonymous define call to a name.
+                //However, IE reports the script as being in 'interactive'
+                //readyState at the time of the define call.
+                useInteractive = true;
+
+                node.attachEvent('onreadystatechange', context.onScriptLoad);
+                //It would be great to add an error handler here to catch
+                //404s in IE9+. However, onreadystatechange will fire before
+                //the error handler, so that does not help. If addEventListener
+                //is used, then IE will fire error before load, but we cannot
+                //use that pathway given the connect.microsoft.com issue
+                //mentioned above about not doing the 'script execute,
+                //then fire the script load event listener before execute
+                //next script' that other browsers do.
+                //Best hope: IE10 fixes the issues,
+                //and then destroys all installs of IE 6-9.
+                //node.attachEvent('onerror', context.onScriptError);
+            } else {
+                node.addEventListener('load', context.onScriptLoad, false);
+                node.addEventListener('error', context.onScriptError, false);
+            }
+            node.src = url;
+
+            //For some cache cases in IE 6-8, the script executes before the end
+            //of the appendChild execution, so to tie an anonymous define
+            //call to the module name (which is stored on the node), hold on
+            //to a reference to this node, but clear after the DOM insertion.
+            currentlyAddingScript = node;
+            if (baseElement) {
+                head.insertBefore(node, baseElement);
+            } else {
+                head.appendChild(node);
+            }
+            currentlyAddingScript = null;
+
+            return node;
+        } else if (isWebWorker) {
+            try {
+                //In a web worker, use importScripts. This is not a very
+                //efficient use of importScripts, importScripts will block until
+                //its script is downloaded and evaluated. However, if web workers
+                //are in play, the expectation that a build has been done so that
+                //only one script needs to be loaded anyway. This may need to be
+                //reevaluated if other use cases become common.
+                importScripts(url);
+
+                //Account for anonymous modules
+                context.completeLoad(moduleName);
+            } catch (e) {
+                context.onError(makeError('importscripts',
+                                'importScripts failed for ' +
+                                    moduleName + ' at ' + url,
+                                e,
+                                [moduleName]));
+            }
+        }
+    };
+
+    function getInteractiveScript() {
+        if (interactiveScript && interactiveScript.readyState === 'interactive') {
+            return interactiveScript;
+        }
+
+        eachReverse(scripts(), function (script) {
+            if (script.readyState === 'interactive') {
+                return (interactiveScript = script);
+            }
+        });
+        return interactiveScript;
+    }
+
+    //Look for a data-main script attribute, which could also adjust the baseUrl.
+    if (isBrowser) {
+        //Figure out baseUrl. Get it from the script tag with require.js in it.
+        eachReverse(scripts(), function (script) {
+            //Set the 'head' where we can append children by
+            //using the script's parent.
+            if (!head) {
+                head = script.parentNode;
+            }
+
+            //Look for a data-main attribute to set main script for the page
+            //to load. If it is there, the path to data main becomes the
+            //baseUrl, if it is not already set.
+            dataMain = script.getAttribute('data-main');
+            if (dataMain) {
+                //Set final baseUrl if there is not already an explicit one.
+                if (!cfg.baseUrl) {
+                    //Pull off the directory of data-main for use as the
+                    //baseUrl.
+                    src = dataMain.split('/');
+                    mainScript = src.pop();
+                    subPath = src.length ? src.join('/')  + '/' : './';
+
+                    cfg.baseUrl = subPath;
+                    dataMain = mainScript;
+                }
+
+                //Strip off any trailing .js since dataMain is now
+                //like a module name.
+                dataMain = dataMain.replace(jsSuffixRegExp, '');
+
+                //Put the data-main script in the files to load.
+                cfg.deps = cfg.deps ? cfg.deps.concat(dataMain) : [dataMain];
+
+                return true;
+            }
+        });
+    }
+
+    /**
+     * The function that handles definitions of modules. Differs from
+     * require() in that a string for the module should be the first argument,
+     * and the function to execute after dependencies are loaded should
+     * return a value to define the module corresponding to the first argument's
+     * name.
+     */
+    define = function (name, deps, callback) {
+        var node, context;
+
+        //Allow for anonymous modules
+        if (typeof name !== 'string') {
+            //Adjust args appropriately
+            callback = deps;
+            deps = name;
+            name = null;
+        }
+
+        //This module may not have dependencies
+        if (!isArray(deps)) {
+            callback = deps;
+            deps = [];
+        }
+
+        //If no name, and callback is a function, then figure out if it a
+        //CommonJS thing with dependencies.
+        if (!deps.length && isFunction(callback)) {
+            //Remove comments from the callback string,
+            //look for require calls, and pull them into the dependencies,
+            //but only if there are function args.
+            if (callback.length) {
+                callback
+                    .toString()
+                    .replace(commentRegExp, '')
+                    .replace(cjsRequireRegExp, function (match, dep) {
+                        deps.push(dep);
+                    });
+
+                //May be a CommonJS thing even without require calls, but still
+                //could use exports, and module. Avoid doing exports and module
+                //work though if it just needs require.
+                //REQUIRES the function to expect the CommonJS variables in the
+                //order listed below.
+                deps = (callback.length === 1 ? ['require'] : ['require', 'exports', 'module']).concat(deps);
+            }
+        }
+
+        //If in IE 6-8 and hit an anonymous define() call, do the interactive
+        //work.
+        if (useInteractive) {
+            node = currentlyAddingScript || getInteractiveScript();
+            if (node) {
+                if (!name) {
+                    name = node.getAttribute('data-requiremodule');
+                }
+                context = contexts[node.getAttribute('data-requirecontext')];
+            }
+        }
+
+        //Always save off evaluating the def call until the script onload handler.
+        //This allows multiple modules to be in a file without prematurely
+        //tracing dependencies, and allows for anonymous module support,
+        //where the module name is not known until the script onload event
+        //occurs. If no context, use the global queue, and get it processed
+        //in the onscript load callback.
+        (context ? context.defQueue : globalDefQueue).push([name, deps, callback]);
+    };
+
+    define.amd = {
+        jQuery: true
+    };
+
+
+    /**
+     * Executes the text. Normally just uses eval, but can be modified
+     * to use a better, environment-specific call. Only used for transpiling
+     * loader plugins, not for plain JS modules.
+     * @param {String} text the text to execute/evaluate.
+     */
+    req.exec = function (text) {
+        /*jslint evil: true */
+        return eval(text);
+    };
+
+    //Set up with config info.
+    req(cfg);
+}(this));
+
+
+
+    this.requirejsVars = {
+        require: require,
+        requirejs: require,
+        define: define
+    };
+
+    if (env === 'browser') {
+        /**
+ * @license RequireJS rhino Copyright (c) 2012, The Dojo Foundation All Rights Reserved.
+ * Available via the MIT or new BSD license.
+ * see: http://github.com/jrburke/requirejs for details
+ */
+
+//sloppy since eval enclosed with use strict causes problems if the source
+//text is not strict-compliant.
+/*jslint sloppy: true, evil: true */
+/*global require, XMLHttpRequest */
+
+(function () {
+    require.load = function (context, moduleName, url) {
+        var xhr = new XMLHttpRequest();
+
+        xhr.open('GET', url, true);
+        xhr.send();
+
+        xhr.onreadystatechange = function () {
+            if (xhr.readyState === 4) {
+                eval(xhr.responseText);
+
+                //Support anonymous modules.
+                context.completeLoad(moduleName);
+            }
+        };
+    };
+}());
+    } else if (env === 'rhino') {
+        /**
+ * @license RequireJS rhino Copyright (c) 2010-2011, The Dojo Foundation All Rights Reserved.
+ * Available via the MIT or new BSD license.
+ * see: http://github.com/jrburke/requirejs for details
+ */
+
+/*jslint */
+/*global require: false, java: false, load: false */
+
+(function () {
+    'use strict';
+    require.load = function (context, moduleName, url) {
+
+        load(url);
+
+        //Support anonymous modules.
+        context.completeLoad(moduleName);
+    };
+
+}());
+    } else if (env === 'node') {
+        this.requirejsVars.nodeRequire = nodeRequire;
+        require.nodeRequire = nodeRequire;
+
+        /**
+ * @license RequireJS node Copyright (c) 2010-2011, The Dojo Foundation All Rights Reserved.
+ * Available via the MIT or new BSD license.
+ * see: http://github.com/jrburke/requirejs for details
+ */
+
+/*jslint regexp: false */
+/*global require: false, define: false, requirejsVars: false, process: false */
+
+/**
+ * This adapter assumes that x.js has loaded it and set up
+ * some variables. This adapter just allows limited RequireJS
+ * usage from within the requirejs directory. The general
+ * node adapater is r.js.
+ */
+
+(function () {
+    'use strict';
+
+    var nodeReq = requirejsVars.nodeRequire,
+        req = requirejsVars.require,
+        def = requirejsVars.define,
+        fs = nodeReq('fs'),
+        path = nodeReq('path'),
+        vm = nodeReq('vm'),
+        //In Node 0.7+ existsSync is on fs.
+        exists = fs.existsSync || path.existsSync,
+        hasOwn = Object.prototype.hasOwnProperty;
+
+    function hasProp(obj, prop) {
+        return hasOwn.call(obj, prop);
+    }
+
+    function syncTick(fn) {
+        fn();
+    }
+
+    //Supply an implementation that allows synchronous get of a module.
+    req.get = function (context, moduleName, relModuleMap, localRequire) {
+        if (moduleName === "require" || moduleName === "exports" || moduleName === "module") {
+            req.onError(new Error("Explicit require of " + moduleName + " is not allowed."));
+        }
+
+        var ret, oldTick,
+            moduleMap = context.makeModuleMap(moduleName, relModuleMap, false, true);
+
+        //Normalize module name, if it contains . or ..
+        moduleName = moduleMap.id;
+
+        if (hasProp(context.defined, moduleName)) {
+            ret = context.defined[moduleName];
+        } else {
+            if (ret === undefined) {
+                //Make sure nextTick for this type of call is sync-based.
+                oldTick = context.nextTick;
+                context.nextTick = syncTick;
+                try {
+                    if (moduleMap.prefix) {
+                        //A plugin, call requirejs to handle it. Now that
+                        //nextTick is syncTick, the require will complete
+                        //synchronously.
+                        localRequire([moduleMap.originalName]);
+
+                        //Now that plugin is loaded, can regenerate the moduleMap
+                        //to get the final, normalized ID.
+                        moduleMap = context.makeModuleMap(moduleMap.originalName, relModuleMap, false, true);
+                        moduleName = moduleMap.id;
+                    } else {
+                        //Try to dynamically fetch it.
+                        req.load(context, moduleName, moduleMap.url);
+
+                        //Enable the module
+                        context.enable(moduleMap, relModuleMap);
+                    }
+
+                    //Break any cycles by requiring it normally, but this will
+                    //finish synchronously
+                    require([moduleName]);
+
+                    //The above calls are sync, so can do the next thing safely.
+                    ret = context.defined[moduleName];
+                } finally {
+                    context.nextTick = oldTick;
+                }
+            }
+        }
+
+        return ret;
+    };
+
+    req.nextTick = function (fn) {
+        process.nextTick(fn);
+    };
+
+    //Add wrapper around the code so that it gets the requirejs
+    //API instead of the Node API, and it is done lexically so
+    //that it survives later execution.
+    req.makeNodeWrapper = function (contents) {
+        return '(function (require, requirejs, define) { ' +
+                contents +
+                '\n}(requirejsVars.require, requirejsVars.requirejs, requirejsVars.define));';
+    };
+
+    req.load = function (context, moduleName, url) {
+        var contents, err;
+
+        if (exists(url)) {
+            contents = fs.readFileSync(url, 'utf8');
+
+            contents = req.makeNodeWrapper(contents);
+            try {
+                vm.runInThisContext(contents, fs.realpathSync(url));
+            } catch (e) {
+                err = new Error('Evaluating ' + url + ' as module "' +
+                                moduleName + '" failed with error: ' + e);
+                err.originalError = e;
+                err.moduleName = moduleName;
+                err.fileName = url;
+                return req.onError(err);
+            }
+        } else {
+            def(moduleName, function () {
+                //Get the original name, since relative requires may be
+                //resolved differently in node (issue #202)
+                var originalName = hasProp(context.registry, moduleName) &&
+                            context.registry[moduleName].map.originalName;
+
+                try {
+                    return (context.config.nodeRequire || req.nodeRequire)(originalName);
+                } catch (e) {
+                    err = new Error('Calling node\'s require("' +
+                                        originalName + '") failed with error: ' + e);
+                    err.originalError = e;
+                    err.moduleName = originalName;
+                    return req.onError(err);
+                }
+            });
+        }
+
+        //Support anonymous modules.
+        context.completeLoad(moduleName);
+    };
+
+    //Override to provide the function wrapper for define/require.
+    req.exec = function (text) {
+        /*jslint evil: true */
+        text = req.makeNodeWrapper(text);
+        return eval(text);
+    };
+}());
+
+    } else if (env === 'xpconnect') {
+        /**
+ * @license RequireJS xpconnect Copyright (c) 2013, The Dojo Foundation All Rights Reserved.
+ * Available via the MIT or new BSD license.
+ * see: http://github.com/jrburke/requirejs for details
+ */
+
+/*jslint */
+/*global require, load */
+
+(function () {
+    'use strict';
+    require.load = function (context, moduleName, url) {
+
+        load(url);
+
+        //Support anonymous modules.
+        context.completeLoad(moduleName);
+    };
+
+}());
+
+    }
+
+    //Support a default file name to execute. Useful for hosted envs
+    //like Joyent where it defaults to a server.js as the only executed
+    //script. But only do it if this is not an optimization run.
+    if (commandOption !== 'o' && (!fileName || !jsSuffixRegExp.test(fileName))) {
+        fileName = 'main.js';
+    }
+
+    /**
+     * Loads the library files that can be used for the optimizer, or for other
+     * tasks.
+     */
+    function loadLib() {
+        /**
+ * @license Copyright (c) 2010-2011, The Dojo Foundation All Rights Reserved.
+ * Available via the MIT or new BSD license.
+ * see: http://github.com/jrburke/requirejs for details
+ */
+
+/*jslint strict: false */
+/*global Packages: false, process: false, window: false, navigator: false,
+  document: false, define: false */
+
+/**
+ * A plugin that modifies any /env/ path to be the right path based on
+ * the host environment. Right now only works for Node, Rhino and browser.
+ */
+(function () {
+    var pathRegExp = /(\/|^)env\/|\{env\}/,
+        env = 'unknown';
+
+    if (typeof Packages !== 'undefined') {
+        env = 'rhino';
+    } else if (typeof process !== 'undefined') {
+        env = 'node';
+    } else if ((typeof navigator !== 'undefined' && typeof document !== 'undefined') ||
+            (typeof importScripts !== 'undefined' && typeof self !== 'undefined')) {
+        env = 'browser';
+    } else if (typeof Components !== 'undefined' && Components.classes && Components.interfaces) {
+        env = 'xpconnect';
+    }
+
+    define('env', {
+        get: function () {
+            return env;
+        },
+
+        load: function (name, req, load, config) {
+            //Allow override in the config.
+            if (config.env) {
+                env = config.env;
+            }
+
+            name = name.replace(pathRegExp, function (match, prefix) {
+                if (match.indexOf('{') === -1) {
+                    return prefix + env + '/';
+                } else {
+                    return env;
+                }
+            });
+
+            req([name], function (mod) {
+                load(mod);
+            });
+        }
+    });
+}());/**
+ * @license Copyright (c) 2010-2011, The Dojo Foundation All Rights Reserved.
+ * Available via the MIT or new BSD license.
+ * see: http://github.com/jrburke/requirejs for details
+ */
+
+/*jslint plusplus: true */
+/*global define */
+
+define('lang', function () {
+    'use strict';
+
+    var lang,
+        hasOwn = Object.prototype.hasOwnProperty;
+
+    function hasProp(obj, prop) {
+        return hasOwn.call(obj, prop);
+    }
+
+    lang = {
+        backSlashRegExp: /\\/g,
+        ostring: Object.prototype.toString,
+
+        isArray: Array.isArray || function (it) {
+            return lang.ostring.call(it) === "[object Array]";
+        },
+
+        isFunction: function(it) {
+            return lang.ostring.call(it) === "[object Function]";
+        },
+
+        isRegExp: function(it) {
+            return it && it instanceof RegExp;
+        },
+
+        hasProp: hasProp,
+
+        //returns true if the object does not have an own property prop,
+        //or if it does, it is a falsy value.
+        falseProp: function (obj, prop) {
+            return !hasProp(obj, prop) || !obj[prop];
+        },
+
+        //gets own property value for given prop on object
+        getOwn: function (obj, prop) {
+            return hasProp(obj, prop) && obj[prop];
+        },
+
+        _mixin: function(dest, source, override){
+            var name;
+            for (name in source) {
+                if(source.hasOwnProperty(name)
+                    && (override || !dest.hasOwnProperty(name))) {
+                    dest[name] = source[name];
+                }
+            }
+
+            return dest; // Object
+        },
+
+        /**
+         * mixin({}, obj1, obj2) is allowed. If the last argument is a boolean,
+         * then the source objects properties are force copied over to dest.
+         */
+        mixin: function(dest){
+            var parameters = Array.prototype.slice.call(arguments),
+                override, i, l;
+
+            if (!dest) { dest = {}; }
+
+            if (parameters.length > 2 && typeof arguments[parameters.length-1] === 'boolean') {
+                override = parameters.pop();
+            }
+
+            for (i = 1, l = parameters.length; i < l; i++) {
+                lang._mixin(dest, parameters[i], override);
+            }
+            return dest; // Object
+        },
+
+        delegate: (function () {
+            // boodman/crockford delegation w/ cornford optimization
+            function TMP() {}
+            return function (obj, props) {
+                TMP.prototype = obj;
+                var tmp = new TMP();
+                TMP.prototype = null;
+                if (props) {
+                    lang.mixin(tmp, props);
+                }
+                return tmp; // Object
+            };
+        }()),
+
+        /**
+         * Helper function for iterating over an array. If the func returns
+         * a true value, it will break out of the loop.
+         */
+        each: function each(ary, func) {
+            if (ary) {
+                var i;
+                for (i = 0; i < ary.length; i += 1) {
+                    if (func(ary[i], i, ary)) {
+                        break;
+                    }
+                }
+            }
+        },
+
+        /**
+         * Cycles over properties in an object and calls a function for each
+         * property value. If the function returns a truthy value, then the
+         * iteration is stopped.
+         */
+        eachProp: function eachProp(obj, func) {
+            var prop;
+            for (prop in obj) {
+                if (hasProp(obj, prop)) {
+                    if (func(obj[prop], prop)) {
+                        break;
+                    }
+                }
+            }
+        },
+
+        //Similar to Function.prototype.bind, but the "this" object is specified
+        //first, since it is easier to read/figure out what "this" will be.
+        bind: function bind(obj, fn) {
+            return function () {
+                return fn.apply(obj, arguments);
+            };
+        },
+
+        //Escapes a content string to be be a string that has characters escaped
+        //for inclusion as part of a JS string.
+        jsEscape: function (content) {
+            return content.replace(/(["'\\])/g, '\\$1')
+                .replace(/[\f]/g, "\\f")
+                .replace(/[\b]/g, "\\b")
+                .replace(/[\n]/g, "\\n")
+                .replace(/[\t]/g, "\\t")
+                .replace(/[\r]/g, "\\r");
+        }
+    };
+    return lang;
+});
+/**
+ * prim 0.0.1 Copyright (c) 2012-2013, The Dojo Foundation All Rights Reserved.
+ * Available via the MIT or new BSD license.
+ * see: http://github.com/requirejs/prim for details
+ */
+
+/*global setImmediate, process, setTimeout, define, module */
+
+//Set prime.hideResolutionConflict = true to allow "resolution-races"
+//in promise-tests to pass.
+//Since the goal of prim is to be a small impl for trusted code, it is
+//more important to normally throw in this case so that we can find
+//logic errors quicker.
+
+var prim;
+(function () {
+    'use strict';
+    var op = Object.prototype,
+        hasOwn = op.hasOwnProperty;
+
+    function hasProp(obj, prop) {
+        return hasOwn.call(obj, prop);
+    }
+
+    /**
+     * Helper function for iterating over an array. If the func returns
+     * a true value, it will break out of the loop.
+     */
+    function each(ary, func) {
+        if (ary) {
+            var i;
+            for (i = 0; i < ary.length; i += 1) {
+                if (ary[i]) {
+                    func(ary[i], i, ary);
+                }
+            }
+        }
+    }
+
+    function check(p) {
+        if (hasProp(p, 'e') || hasProp(p, 'v')) {
+            if (!prim.hideResolutionConflict) {
+                throw new Error('nope');
+            }
+            return false;
+        }
+        return true;
+    }
+
+    function notify(ary, value) {
+        prim.nextTick(function () {
+            each(ary, function (item) {
+                item(value);
+            });
+        });
+    }
+
+    prim = function prim() {
+        var p,
+            ok = [],
+            fail = [];
+
+        return (p = {
+            callback: function (yes, no) {
+                if (no) {
+                    p.errback(no);
+                }
+
+                if (hasProp(p, 'v')) {
+                    prim.nextTick(function () {
+                        yes(p.v);
+                    });
+                } else {
+                    ok.push(yes);
+                }
+            },
+
+            errback: function (no) {
+                if (hasProp(p, 'e')) {
+                    prim.nextTick(function () {
+                        no(p.e);
+                    });
+                } else {
+                    fail.push(no);
+                }
+            },
+
+            finished: function () {
+                return hasProp(p, 'e') || hasProp(p, 'v');
+            },
+
+            rejected: function () {
+                return hasProp(p, 'e');
+            },
+
+            resolve: function (v) {
+                if (check(p)) {
+                    p.v = v;
+                    notify(ok, v);
+                }
+                return p;
+            },
+            reject: function (e) {
+                if (check(p)) {
+                    p.e = e;
+                    notify(fail, e);
+                }
+                return p;
+            },
+
+            start: function (fn) {
+                p.resolve();
+                return p.promise.then(fn);
+            },
+
+            promise: {
+                then: function (yes, no) {
+                    var next = prim();
+
+                    p.callback(function (v) {
+                        try {
+                            if (yes && typeof yes === 'function') {
+                                v = yes(v);
+                            }
+
+                            if (v && v.then) {
+                                v.then(next.resolve, next.reject);
+                            } else {
+                                next.resolve(v);
+                            }
+                        } catch (e) {
+                            next.reject(e);
+                        }
+                    }, function (e) {
+                        var err;
+
+                        try {
+                            if (!no || typeof no !== 'function') {
+                                next.reject(e);
+                            } else {
+                                err = no(e);
+
+                                if (err && err.then) {
+                                    err.then(next.resolve, next.reject);
+                                } else {
+                                    next.resolve(err);
+                                }
+                            }
+                        } catch (e2) {
+                            next.reject(e2);
+                        }
+                    });
+
+                    return next.promise;
+                },
+
+                fail: function (no) {
+                    return p.promise.then(null, no);
+                },
+
+                end: function () {
+                    p.errback(function (e) {
+                        throw e;
+                    });
+                }
+            }
+        });
+    };
+
+    prim.serial = function (ary) {
+        var result = prim().resolve().promise;
+        each(ary, function (item) {
+            result = result.then(function () {
+                return item();
+            });
+        });
+        return result;
+    };
+
+    prim.nextTick = typeof setImmediate === 'function' ? setImmediate :
+        (typeof process !== 'undefined' && process.nextTick ?
+            process.nextTick : (typeof setTimeout !== 'undefined' ?
+                function (fn) {
+                setTimeout(fn, 0);
+            } : function (fn) {
+        fn();
+    }));
+
+    if (typeof define === 'function' && define.amd) {
+        define('prim', function () { return prim; });
+    } else if (typeof module !== 'undefined' && module.exports) {
+        module.exports = prim;
+    }
+}());
+if(env === 'browser') {
+/**
+ * @license RequireJS Copyright (c) 2012, The Dojo Foundation All Rights Reserved.
+ * Available via the MIT or new BSD license.
+ * see: http://github.com/jrburke/requirejs for details
+ */
+
+/*jslint strict: false */
+/*global define: false, load: false */
+
+//Just a stub for use with uglify's consolidator.js
+define('browser/assert', function () {
+    return {};
+});
+
+}
+
+if(env === 'node') {
+/**
+ * @license RequireJS Copyright (c) 2012, The Dojo Foundation All Rights Reserved.
+ * Available via the MIT or new BSD license.
+ * see: http://github.com/jrburke/requirejs for details
+ */
+
+/*jslint strict: false */
+/*global define: false, load: false */
+
+//Needed so that rhino/assert can return a stub for uglify's consolidator.js
+define('node/assert', ['assert'], function (assert) {
+    return assert;
+});
+
+}
+
+if(env === 'rhino') {
+/**
+ * @license RequireJS Copyright (c) 2012, The Dojo Foundation All Rights Reserved.
+ * Available via the MIT or new BSD license.
+ * see: http://github.com/jrburke/requirejs for details
+ */
+
+/*jslint strict: false */
+/*global define: false, load: false */
+
+//Just a stub for use with uglify's consolidator.js
+define('rhino/assert', function () {
+    return {};
+});
+
+}
+
+if(env === 'xpconnect') {
+/**
+ * @license RequireJS Copyright (c) 2013, The Dojo Foundation All Rights Reserved.
+ * Available via the MIT or new BSD license.
+ * see: http://github.com/jrburke/requirejs for details
+ */
+
+/*jslint strict: false */
+/*global define: false, load: false */
+
+//Just a stub for use with uglify's consolidator.js
+define('xpconnect/assert', function () {
+    return {};
+});
+
+}
+
+if(env === 'browser') {
+/**
+ * @license Copyright (c) 2010-2011, The Dojo Foundation All Rights Reserved.
+ * Available via the MIT or new BSD license.
+ * see: http://github.com/jrburke/requirejs for details
+ */
+
+/*jslint strict: false */
+/*global define: false, process: false */
+
+define('browser/args', function () {
+    //Always expect config via an API call
+    return [];
+});
+
+}
+
+if(env === 'node') {
+/**
+ * @license Copyright (c) 2010-2011, The Dojo Foundation All Rights Reserved.
+ * Available via the MIT or new BSD license.
+ * see: http://github.com/jrburke/requirejs for details
+ */
+
+/*jslint strict: false */
+/*global define: false, process: false */
+
+define('node/args', function () {
+    //Do not return the "node" or "r.js" arguments
+    var args = process.argv.slice(2);
+
+    //Ignore any command option used for rq.js
+    if (args[0] && args[0].indexOf('-' === 0)) {
+        args = args.slice(1);
+    }
+
+    return args;
+});
+
+}
+
+if(env === 'rhino') {
+/**
+ * @license Copyright (c) 2010-2011, The Dojo Foundation All Rights Reserved.
+ * Available via the MIT or new BSD license.
+ * see: http://github.com/jrburke/requirejs for details
+ */
+
+/*jslint strict: false */
+/*global define: false, process: false */
+
+var jsLibRhinoArgs = (typeof rhinoArgs !== 'undefined' && rhinoArgs) || [].concat(Array.prototype.slice.call(arguments, 0));
+
+define('rhino/args', function () {
+    var args = jsLibRhinoArgs;
+
+    //Ignore any command option used for r.js
+    if (args[0] && args[0].indexOf('-' === 0)) {
+        args = args.slice(1);
+    }
+
+    return args;
+});
+
+}
+
+if(env === 'xpconnect') {
+/**
+ * @license Copyright (c) 2013, The Dojo Foundation All Rights Reserved.
+ * Available via the MIT or new BSD license.
+ * see: http://github.com/jrburke/requirejs for details
+ */
+
+/*jslint strict: false */
+/*global define, xpconnectArgs */
+
+var jsLibXpConnectArgs = (typeof xpconnectArgs !== 'undefined' && xpconnectArgs) || [].concat(Array.prototype.slice.call(arguments, 0));
+
+define('xpconnect/args', function () {
+    var args = jsLibXpConnectArgs;
+
+    //Ignore any command option used for r.js
+    if (args[0] && args[0].indexOf('-' === 0)) {
+        args = args.slice(1);
+    }
+
+    return args;
+});
+
+}
+
+if(env === 'browser') {
+/**
+ * @license RequireJS Copyright (c) 2010-2011, The Dojo Foundation All Rights Reserved.
+ * Available via the MIT or new BSD license.
+ * see: http://github.com/jrburke/requirejs for details
+ */
+
+/*jslint strict: false */
+/*global define: false, console: false */
+
+define('browser/load', ['./file'], function (file) {
+    function load(fileName) {
+        eval(file.readFile(fileName));
+    }
+
+    return load;
+});
+
+}
+
+if(env === 'node') {
+/**
+ * @license RequireJS Copyright (c) 2010-2011, The Dojo Foundation All Rights Reserved.
+ * Available via the MIT or new BSD license.
+ * see: http://github.com/jrburke/requirejs for details
+ */
+
+/*jslint strict: false */
+/*global define: false, console: false */
+
+define('node/load', ['fs'], function (fs) {
+    function load(fileName) {
+        var contents = fs.readFileSync(fileName, 'utf8');
+        process.compile(contents, fileName);
+    }
+
+    return load;
+});
+
+}
+
+if(env === 'rhino') {
+/**
+ * @license RequireJS Copyright (c) 2010-2011, The Dojo Foundation All Rights Reserved.
+ * Available via the MIT or new BSD license.
+ * see: http://github.com/jrburke/requirejs for details
+ */
+
+/*jslint strict: false */
+/*global define: false, load: false */
+
+define('rhino/load', function () {
+    return load;
+});
+
+}
+
+if(env === 'xpconnect') {
+/**
+ * @license RequireJS Copyright (c) 2013, The Dojo Foundation All Rights Reserved.
+ * Available via the MIT or new BSD license.
+ * see: http://github.com/jrburke/requirejs for details
+ */
+
+/*jslint strict: false */
+/*global define: false, load: false */
+
+define('xpconnect/load', function () {
+    return load;
+});
+
+}
+
+if(env === 'browser') {
+/**
+ * @license Copyright (c) 2012, The Dojo Foundation All Rights Reserved.
+ * Available via the MIT or new BSD license.
+ * see: http://github.com/jrburke/requirejs for details
+ */
+
+/*jslint sloppy: true, nomen: true */
+/*global require, define, console, XMLHttpRequest, requirejs, location */
+
+define('browser/file', ['prim'], function (prim) {
+
+    var file,
+        currDirRegExp = /^\.(\/|$)/;
+
+    function frontSlash(path) {
+        return path.replace(/\\/g, '/');
+    }
+
+    function exists(path) {
+        var status, xhr = new XMLHttpRequest();
+
+        //Oh yeah, that is right SYNC IO. Behold its glory
+        //and horrible blocking behavior.
+        xhr.open('HEAD', path, false);
+        xhr.send();
+        status = xhr.status;
+
+        return status === 200 || status === 304;
+    }
+
+    function mkDir(dir) {
+        console.log('mkDir is no-op in browser');
+    }
+
+    function mkFullDir(dir) {
+        console.log('mkFullDir is no-op in browser');
+    }
+
+    file = {
+        backSlashRegExp: /\\/g,
+        exclusionRegExp: /^\./,
+        getLineSeparator: function () {
+            return '/';
+        },
+
+        exists: function (fileName) {
+            return exists(fileName);
+        },
+
+        parent: function (fileName) {
+            var parts = fileName.split('/');
+            parts.pop();
+            return parts.join('/');
+        },
+
+        /**
+         * Gets the absolute file path as a string, normalized
+         * to using front slashes for path separators.
+         * @param {String} fileName
+         */
+        absPath: function (fileName) {
+            var dir;
+            if (currDirRegExp.test(fileName)) {
+                dir = frontSlash(location.href);
+                if (dir.indexOf('/') !== -1) {
+                    dir = dir.split('/');
+
+                    //Pull off protocol and host, just want
+                    //to allow paths (other build parts, like
+                    //require._isSupportedBuildUrl do not support
+                    //full URLs), but a full path from
+                    //the root.
+                    dir.splice(0, 3);
+
+                    dir.pop();
+                    dir = '/' + dir.join('/');
+                }
+
+                fileName = dir + fileName.substring(1);
+            }
+
+            return fileName;
+        },
+
+        normalize: function (fileName) {
+            return fileName;
+        },
+
+        isFile: function (path) {
+            return true;
+        },
+
+        isDirectory: function (path) {
+            return false;
+        },
+
+        getFilteredFileList: function (startDir, regExpFilters, makeUnixPaths) {
+            console.log('file.getFilteredFileList is no-op in browser');
+        },
+
+        copyDir: function (srcDir, destDir, regExpFilter, onlyCopyNew) {
+            console.log('file.copyDir is no-op in browser');
+
+        },
+
+        copyFile: function (srcFileName, destFileName, onlyCopyNew) {
+            console.log('file.copyFile is no-op in browser');
+        },
+
+        /**
+         * Renames a file. May fail if "to" already exists or is on another drive.
+         */
+        renameFile: function (from, to) {
+            console.log('file.renameFile is no-op in browser');
+        },
+
+        /**
+         * Reads a *text* file.
+         */
+        readFile: function (path, encoding) {
+            var xhr = new XMLHttpRequest();
+
+            //Oh yeah, that is right SYNC IO. Behold its glory
+            //and horrible blocking behavior.
+            xhr.open('GET', path, false);
+            xhr.send();
+
+            return xhr.responseText;
+        },
+
+        readFileAsync: function (path, encoding) {
+            var xhr = new XMLHttpRequest(),
+                d = prim();
+
+            xhr.open('GET', path, true);
+            xhr.send();
+
+            xhr.onreadystatechange = function () {
+                if (xhr.readyState === 4) {
+                    if (xhr.status > 400) {
+                        d.reject(new Error('Status: ' + xhr.status + ': ' + xhr.statusText));
+                    } else {
+                        d.resolve(xhr.responseText);
+                    }
+                }
+            };
+
+            return d.promise;
+        },
+
+        saveUtf8File: function (fileName, fileContents) {
+            //summary: saves a *text* file using UTF-8 encoding.
+            file.saveFile(fileName, fileContents, "utf8");
+        },
+
+        saveFile: function (fileName, fileContents, encoding) {
+            requirejs.browser.saveFile(fileName, fileContents, encoding);
+        },
+
+        deleteFile: function (fileName) {
+            console.log('file.deleteFile is no-op in browser');
+        },
+
+        /**
+         * Deletes any empty directories under the given directory.
+         */
+        deleteEmptyDirs: function (startDir) {
+            console.log('file.deleteEmptyDirs is no-op in browser');
+        }
+    };
+
+    return file;
+
+});
+
+}
+
+if(env === 'node') {
+/**
+ * @license Copyright (c) 2010-2011, The Dojo Foundation All Rights Reserved.
+ * Available via the MIT or new BSD license.
+ * see: http://github.com/jrburke/requirejs for details
+ */
+
+/*jslint plusplus: false, octal:false, strict: false */
+/*global define: false, process: false */
+
+define('node/file', ['fs', 'path', 'prim'], function (fs, path, prim) {
+
+    var isWindows = process.platform === 'win32',
+        windowsDriveRegExp = /^[a-zA-Z]\:\/$/,
+        file;
+
+    function frontSlash(path) {
+        return path.replace(/\\/g, '/');
+    }
+
+    function exists(path) {
+        if (isWindows && path.charAt(path.length - 1) === '/' &&
+            path.charAt(path.length - 2) !== ':') {
+            path = path.substring(0, path.length - 1);
+        }
+
+        try {
+            fs.statSync(path);
+            return true;
+        } catch (e) {
+            return false;
+        }
+    }
+
+    function mkDir(dir) {
+        if (!exists(dir) && (!isWindows || !windowsDriveRegExp.test(dir))) {
+            fs.mkdirSync(dir, 511);
+        }
+    }
+
+    function mkFullDir(dir) {
+        var parts = dir.split('/'),
+            currDir = '',
+            first = true;
+
+        parts.forEach(function (part) {
+            //First part may be empty string if path starts with a slash.
+            currDir += part + '/';
+            first = false;
+
+            if (part) {
+                mkDir(currDir);
+            }
+        });
+    }
+
+    file = {
+        backSlashRegExp: /\\/g,
+        exclusionRegExp: /^\./,
+        getLineSeparator: function () {
+            return '/';
+        },
+
+        exists: function (fileName) {
+            return exists(fileName);
+        },
+
+        parent: function (fileName) {
+            var parts = fileName.split('/');
+            parts.pop();
+            return parts.join('/');
+        },
+
+        /**
+         * Gets the absolute file path as a string, normalized
+         * to using front slashes for path separators.
+         * @param {String} fileName
+         */
+        absPath: function (fileName) {
+            return frontSlash(path.normalize(frontSlash(fs.realpathSync(fileName))));
+        },
+
+        normalize: function (fileName) {
+            return frontSlash(path.normalize(fileName));
+        },
+
+        isFile: function (path) {
+            return fs.statSync(path).isFile();
+        },
+
+        isDirectory: function (path) {
+            return fs.statSync(path).isDirectory();
+        },
+
+        getFilteredFileList: function (/*String*/startDir, /*RegExp*/regExpFilters, /*boolean?*/makeUnixPaths) {
+            //summary: Recurses startDir and finds matches to the files that match regExpFilters.include
+            //and do not match regExpFilters.exclude. Or just one regexp can be passed in for regExpFilters,
+            //and it will be treated as the "include" case.
+            //Ignores files/directories that start with a period (.) unless exclusionRegExp
+            //is set to another value.
+            var files = [], topDir, regExpInclude, regExpExclude, dirFileArray,
+                i, stat, filePath, ok, dirFiles, fileName;
+
+            topDir = startDir;
+
+            regExpInclude = regExpFilters.include || regExpFilters;
+            regExpExclude = regExpFilters.exclude || null;
+
+            if (file.exists(topDir)) {
+                dirFileArray = fs.readdirSync(topDir);
+                for (i = 0; i < dirFileArray.length; i++) {
+                    fileName = dirFileArray[i];
+                    filePath = path.join(topDir, fileName);
+                    stat = fs.statSync(filePath);
+                    if (stat.isFile()) {
+                        if (makeUnixPaths) {
+                            //Make sure we have a JS string.
+                            if (filePath.indexOf("/") === -1) {
+                                filePath = frontSlash(filePath);
+                            }
+                        }
+
+                        ok = true;
+                        if (regExpInclude) {
+                            ok = filePath.match(regExpInclude);
+                        }
+                        if (ok && regExpExclude) {
+                            ok = !filePath.match(regExpExclude);
+                        }
+
+                        if (ok && (!file.exclusionRegExp ||
+                            !file.exclusionRegExp.test(fileName))) {
+                            files.push(filePath);
+                        }
+                    } else if (stat.isDirectory() &&
+                              (!file.exclusionRegExp || !file.exclusionRegExp.test(fileName))) {
+                        dirFiles = this.getFilteredFileList(filePath, regExpFilters, makeUnixPaths);
+                        files.push.apply(files, dirFiles);
+                    }
+                }
+            }
+
+            return files; //Array
+        },
+
+        copyDir: function (/*String*/srcDir, /*String*/destDir, /*RegExp?*/regExpFilter, /*boolean?*/onlyCopyNew) {
+            //summary: copies files from srcDir to destDir using the regExpFilter to determine if the
+            //file should be copied. Returns a list file name strings of the destinations that were copied.
+            regExpFilter = regExpFilter || /\w/;
+
+            //Normalize th directory names, but keep front slashes.
+            //path module on windows now returns backslashed paths.
+            srcDir = frontSlash(path.normalize(srcDir));
+            destDir = frontSlash(path.normalize(destDir));
+
+            var fileNames = file.getFilteredFileList(srcDir, regExpFilter, true),
+            copiedFiles = [], i, srcFileName, destFileName;
+
+            for (i = 0; i < fileNames.length; i++) {
+                srcFileName = fileNames[i];
+                destFileName = srcFileName.replace(srcDir, destDir);
+
+                if (file.copyFile(srcFileName, destFileName, onlyCopyNew)) {
+                    copiedFiles.push(destFileName);
+                }
+            }
+
+            return copiedFiles.length ? copiedFiles : null; //Array or null
+        },
+
+        copyFile: function (/*String*/srcFileName, /*String*/destFileName, /*boolean?*/onlyCopyNew) {
+            //summary: copies srcFileName to destFileName. If onlyCopyNew is set, it only copies the file if
+            //srcFileName is newer than destFileName. Returns a boolean indicating if the copy occurred.
+            var parentDir;
+
+            //logger.trace("Src filename: " + srcFileName);
+            //logger.trace("Dest filename: " + destFileName);
+
+            //If onlyCopyNew is true, then compare dates and only copy if the src is newer
+            //than dest.
+            if (onlyCopyNew) {
+                if (file.exists(destFileName) && fs.statSync(destFileName).mtime.getTime() >= fs.statSync(srcFileName).mtime.getTime()) {
+                    return false; //Boolean
+                }
+            }
+
+            //Make sure destination dir exists.
+            parentDir = path.dirname(destFileName);
+            if (!file.exists(parentDir)) {
+                mkFullDir(parentDir);
+            }
+
+            fs.writeFileSync(destFileName, fs.readFileSync(srcFileName, 'binary'), 'binary');
+
+            return true; //Boolean
+        },
+
+        /**
+         * Renames a file. May fail if "to" already exists or is on another drive.
+         */
+        renameFile: function (from, to) {
+            return fs.renameSync(from, to);
+        },
+
+        /**
+         * Reads a *text* file.
+         */
+        readFile: function (/*String*/path, /*String?*/encoding) {
+            if (encoding === 'utf-8') {
+                encoding = 'utf8';
+            }
+            if (!encoding) {
+                encoding = 'utf8';
+            }
+
+            var text = fs.readFileSync(path, encoding);
+
+            //Hmm, would not expect to get A BOM, but it seems to happen,
+            //remove it just in case.
+            if (text.indexOf('\uFEFF') === 0) {
+                text = text.substring(1, text.length);
+            }
+
+            return text;
+        },
+
+        readFileAsync: function (path, encoding) {
+            var d = prim();
+            try {
+                d.resolve(file.readFile(path, encoding));
+            } catch (e) {
+                d.reject(e);
+            }
+            return d.promise;
+        },
+
+        saveUtf8File: function (/*String*/fileName, /*String*/fileContents) {
+            //summary: saves a *text* file using UTF-8 encoding.
+            file.saveFile(fileName, fileContents, "utf8");
+        },
+
+        saveFile: function (/*String*/fileName, /*String*/fileContents, /*String?*/encoding) {
+            //summary: saves a *text* file.
+            var parentDir;
+
+            if (encoding === 'utf-8') {
+                encoding = 'utf8';
+            }
+            if (!encoding) {
+                encoding = 'utf8';
+            }
+
+            //Make sure destination directories exist.
+            parentDir = path.dirname(fileName);
+            if (!file.exists(parentDir)) {
+                mkFullDir(parentDir);
+            }
+
+            fs.writeFileSync(fileName, fileContents, encoding);
+        },
+
+        deleteFile: function (/*String*/fileName) {
+            //summary: deletes a file or directory if it exists.
+            var files, i, stat;
+            if (file.exists(fileName)) {
+                stat = fs.statSync(fileName);
+                if (stat.isDirectory()) {
+                    files = fs.readdirSync(fileName);
+                    for (i = 0; i < files.length; i++) {
+                        this.deleteFile(path.join(fileName, files[i]));
+                    }
+                    fs.rmdirSync(fileName);
+                } else {
+                    fs.unlinkSync(fileName);
+                }
+            }
+        },
+
+
+        /**
+         * Deletes any empty directories under the given directory.
+         */
+        deleteEmptyDirs: function (startDir) {
+            var dirFileArray, i, fileName, filePath, stat;
+
+            if (file.exists(startDir)) {
+                dirFileArray = fs.readdirSync(startDir);
+                for (i = 0; i < dirFileArray.length; i++) {
+                    fileName = dirFileArray[i];
+                    filePath = path.join(startDir, fileName);
+                    stat = fs.statSync(filePath);
+                    if (stat.isDirectory()) {
+                        file.deleteEmptyDirs(filePath);
+                    }
+                }
+
+                //If directory is now empty, remove it.
+                if (fs.readdirSync(startDir).length ===  0) {
+                    file.deleteFile(startDir);
+                }
+            }
+        }
+    };
+
+    return file;
+
+});
+
+}
+
+if(env === 'rhino') {
+/**
+ * @license RequireJS Copyright (c) 2010-2011, The Dojo Foundation All Rights Reserved.
+ * Available via the MIT or new BSD license.
+ * see: http://github.com/jrburke/requirejs for details
+ */
+//Helper functions to deal with file I/O.
+
+/*jslint plusplus: false */
+/*global java: false, define: false */
+
+define('rhino/file', ['prim'], function (prim) {
+    var file = {
+        backSlashRegExp: /\\/g,
+
+        exclusionRegExp: /^\./,
+
+        getLineSeparator: function () {
+            return file.lineSeparator;
+        },
+
+        lineSeparator: java.lang.System.getProperty("line.separator"), //Java String
+
+        exists: function (fileName) {
+            return (new java.io.File(fileName)).exists();
+        },
+
+        parent: function (fileName) {
+            return file.absPath((new java.io.File(fileName)).getParentFile());
+        },
+
+        normalize: function (fileName) {
+            return file.absPath(fileName);
+        },
+
+        isFile: function (path) {
+            return (new java.io.File(path)).isFile();
+        },
+
+        isDirectory: function (path) {
+            return (new java.io.File(path)).isDirectory();
+        },
+
+        /**
+         * Gets the absolute file path as a string, normalized
+         * to using front slashes for path separators.
+         * @param {java.io.File||String} file
+         */
+        absPath: function (fileObj) {
+            if (typeof fileObj === "string") {
+                fileObj = new java.io.File(fileObj);
+            }
+            return (fileObj.getCanonicalPath() + "").replace(file.backSlashRegExp, "/");
+        },
+
+        getFilteredFileList: function (/*String*/startDir, /*RegExp*/regExpFilters, /*boolean?*/makeUnixPaths, /*boolean?*/startDirIsJavaObject) {
+            //summary: Recurses startDir and finds matches to the files that match regExpFilters.include
+            //and do not match regExpFilters.exclude. Or just one regexp can be passed in for regExpFilters,
+            //and it will be treated as the "include" case.
+            //Ignores files/directories that start with a period (.) unless exclusionRegExp
+            //is set to another value.
+            var files = [], topDir, regExpInclude, regExpExclude, dirFileArray,
+                i, fileObj, filePath, ok, dirFiles;
+
+            topDir = startDir;
+            if (!startDirIsJavaObject) {
+                topDir = new java.io.File(startDir);
+            }
+
+            regExpInclude = regExpFilters.include || regExpFilters;
+            regExpExclude = regExpFilters.exclude || null;
+
+            if (topDir.exists()) {
+                dirFileArray = topDir.listFiles();
+                for (i = 0; i < dirFileArray.length; i++) {
+                    fileObj = dirFileArray[i];
+                    if (fileObj.isFile()) {
+                        filePath = fileObj.getPath();
+                        if (makeUnixPaths) {
+                            //Make sure we have a JS string.
+                            filePath = String(filePath);
+                            if (filePath.indexOf("/") === -1) {
+                                filePath = filePath.replace(/\\/g, "/");
+                            }
+                        }
+
+                        ok = true;
+                        if (regExpInclude) {
+                            ok = filePath.match(regExpInclude);
+                        }
+                        if (ok && regExpExclude) {
+                            ok = !filePath.match(regExpExclude);
+                        }
+
+                        if (ok && (!file.exclusionRegExp ||
+                            !file.exclusionRegExp.test(fileObj.getName()))) {
+                            files.push(filePath);
+                        }
+                    } else if (fileObj.isDirectory() &&
+                              (!file.exclusionRegExp || !file.exclusionRegExp.test(fileObj.getName()))) {
+                        dirFiles = this.getFilteredFileList(fileObj, regExpFilters, makeUnixPaths, true);
+                        files.push.apply(files, dirFiles);
+                    }
+                }
+            }
+
+            return files; //Array
+        },
+
+        copyDir: function (/*String*/srcDir, /*String*/destDir, /*RegExp?*/regExpFilter, /*boolean?*/onlyCopyNew) {
+            //summary: copies files from srcDir to destDir using the regExpFilter to determine if the
+            //file should be copied. Returns a list file name strings of the destinations that were copied.
+            regExpFilter = regExpFilter || /\w/;
+
+            var fileNames = file.getFilteredFileList(srcDir, regExpFilter, true),
+            copiedFiles = [], i, srcFileName, destFileName;
+
+            for (i = 0; i < fileNames.length; i++) {
+                srcFileName = fileNames[i];
+                destFileName = srcFileName.replace(srcDir, destDir);
+
+                if (file.copyFile(srcFileName, destFileName, onlyCopyNew)) {
+                    copiedFiles.push(destFileName);
+                }
+            }
+
+            return copiedFiles.length ? copiedFiles : null; //Array or null
+        },
+
+        copyFile: function (/*String*/srcFileName, /*String*/destFileName, /*boolean?*/onlyCopyNew) {
+            //summary: copies srcFileName to destFileName. If onlyCopyNew is set, it only copies the file if
+            //srcFileName is newer than destFileName. Returns a boolean indicating if the copy occurred.
+            var destFile = new java.io.File(destFileName), srcFile, parentDir,
+            srcChannel, destChannel;
+
+            //logger.trace("Src filename: " + srcFileName);
+            //logger.trace("Dest filename: " + destFileName);
+
+            //If onlyCopyNew is true, then compare dates and only copy if the src is newer
+            //than dest.
+            if (onlyCopyNew) {
+                srcFile = new java.io.File(srcFileName);
+                if (destFile.exists() && destFile.lastModified() >= srcFile.lastModified()) {
+                    return false; //Boolean
+                }
+            }
+
+            //Make sure destination dir exists.
+            parentDir = destFile.getParentFile();
+            if (!parentDir.exists()) {
+                if (!parentDir.mkdirs()) {
+                    throw "Could not create directory: " + parentDir.getCanonicalPath();
+                }
+            }
+
+            //Java's version of copy file.
+            srcChannel = new java.io.FileInputStream(srcFileName).getChannel();
+            destChannel = new java.io.FileOutputStream(destFileName).getChannel();
+            destChannel.transferFrom(srcChannel, 0, srcChannel.size());
+            srcChannel.close();
+            destChannel.close();
+
+            return true; //Boolean
+        },
+
+        /**
+         * Renames a file. May fail if "to" already exists or is on another drive.
+         */
+        renameFile: function (from, to) {
+            return (new java.io.File(from)).renameTo((new java.io.File(to)));
+        },
+
+        readFile: function (/*String*/path, /*String?*/encoding) {
+            //A file read function that can deal with BOMs
+            encoding = encoding || "utf-8";
+            var fileObj = new java.io.File(path),
+                    input = new java.io.BufferedReader(new java.io.InputStreamReader(new java.io.FileInputStream(fileObj), encoding)),
+                    stringBuffer, line;
+            try {
+                stringBuffer = new java.lang.StringBuffer();
+                line = input.readLine();
+
+                // Byte Order Mark (BOM) - The Unicode Standard, version 3.0, page 324
+                // http://www.unicode.org/faq/utf_bom.html
+
+                // Note that when we use utf-8, the BOM should appear as "EF BB BF", but it doesn't due to this bug in the JDK:
+                // http://bugs.sun.com/bugdatabase/view_bug.do?bug_id=4508058
+                if (line && line.length() && line.charAt(0) === 0xfeff) {
+                    // Eat the BOM, since we've already found the encoding on this file,
+                    // and we plan to concatenating this buffer with others; the BOM should
+                    // only appear at the top of a file.
+                    line = line.substring(1);
+                }
+                while (line !== null) {
+                    stringBuffer.append(line);
+                    stringBuffer.append(file.lineSeparator);
+                    line = input.readLine();
+                }
+                //Make sure we return a JavaScript string and not a Java string.
+                return String(stringBuffer.toString()); //String
+            } finally {
+                input.close();
+            }
+        },
+
+        readFileAsync: function (path, encoding) {
+            var d = prim();
+            try {
+                d.resolve(file.readFile(path, encoding));
+            } catch (e) {
+                d.reject(e);
+            }
+            return d.promise;
+        },
+
+        saveUtf8File: function (/*String*/fileName, /*String*/fileContents) {
+            //summary: saves a file using UTF-8 encoding.
+            file.saveFile(fileName, fileContents, "utf-8");
+        },
+
+        saveFile: function (/*String*/fileName, /*String*/fileContents, /*String?*/encoding) {
+            //summary: saves a file.
+            var outFile = new java.io.File(fileName), outWriter, parentDir, os;
+
+            parentDir = outFile.getAbsoluteFile().getParentFile();
+            if (!parentDir.exists()) {
+                if (!parentDir.mkdirs()) {
+                    throw "Could not create directory: " + parentDir.getAbsolutePath();
+                }
+            }
+
+            if (encoding) {
+                outWriter = new java.io.OutputStreamWriter(new java.io.FileOutputStream(outFile), encoding);
+            } else {
+                outWriter = new java.io.OutputStreamWriter(new java.io.FileOutputStream(outFile));
+            }
+
+            os = new java.io.BufferedWriter(outWriter);
+            try {
+                os.write(fileContents);
+            } finally {
+                os.close();
+            }
+        },
+
+        deleteFile: function (/*String*/fileName) {
+            //summary: deletes a file or directory if it exists.
+            var fileObj = new java.io.File(fileName), files, i;
+            if (fileObj.exists()) {
+                if (fileObj.isDirectory()) {
+                    files = fileObj.listFiles();
+                    for (i = 0; i < files.length; i++) {
+                        this.deleteFile(files[i]);
+                    }
+                }
+                fileObj["delete"]();
+            }
+        },
+
+        /**
+         * Deletes any empty directories under the given directory.
+         * The startDirIsJavaObject is private to this implementation's
+         * recursion needs.
+         */
+        deleteEmptyDirs: function (startDir, startDirIsJavaObject) {
+            var topDir = startDir,
+                dirFileArray, i, fileObj;
+
+            if (!startDirIsJavaObject) {
+                topDir = new java.io.File(startDir);
+            }
+
+            if (topDir.exists()) {
+                dirFileArray = topDir.listFiles();
+                for (i = 0; i < dirFileArray.length; i++) {
+                    fileObj = dirFileArray[i];
+                    if (fileObj.isDirectory()) {
+                        file.deleteEmptyDirs(fileObj, true);
+                    }
+                }
+
+                //If the directory is empty now, delete it.
+                if (topDir.listFiles().length === 0) {
+                    file.deleteFile(String(topDir.getPath()));
+                }
+            }
+        }
+    };
+
+    return file;
+});
+
+}
+
+if(env === 'xpconnect') {
+/**
+ * @license RequireJS Copyright (c) 2013, The Dojo Foundation All Rights Reserved.
+ * Available via the MIT or new BSD license.
+ * see: http://github.com/jrburke/requirejs for details
+ */
+//Helper functions to deal with file I/O.
+
+/*jslint plusplus: false */
+/*global define, Components, xpcUtil */
+
+define('xpconnect/file', ['prim'], function (prim) {
+    var file,
+        Cc = Components.classes,
+        Ci = Components.interfaces,
+        //Depends on xpcUtil which is set up in x.js
+        xpfile = xpcUtil.xpfile;
+
+    function mkFullDir(dirObj) {
+        //1 is DIRECTORY_TYPE, 511 is 0777 permissions
+        if (!dirObj.exists()) {
+            dirObj.create(1, 511);
+        }
+    }
+
+    file = {
+        backSlashRegExp: /\\/g,
+
+        exclusionRegExp: /^\./,
+
+        getLineSeparator: function () {
+            return file.lineSeparator;
+        },
+
+        lineSeparator: ('@mozilla.org/windows-registry-key;1' in Cc) ?
+                        '\r\n' : '\n',
+
+        exists: function (fileName) {
+            return xpfile(fileName).exists();
+        },
+
+        parent: function (fileName) {
+            return xpfile(fileName).parent;
+        },
+
+        normalize: function (fileName) {
+            return file.absPath(fileName);
+        },
+
+        isFile: function (path) {
+            return xpfile(path).isFile();
+        },
+
+        isDirectory: function (path) {
+            return xpfile(path).isDirectory();
+        },
+
+        /**
+         * Gets the absolute file path as a string, normalized
+         * to using front slashes for path separators.
+         * @param {java.io.File||String} file
+         */
+        absPath: function (fileObj) {
+            if (typeof fileObj === "string") {
+                fileObj = xpfile(fileObj);
+            }
+            return fileObj.path;
+        },
+
+        getFilteredFileList: function (/*String*/startDir, /*RegExp*/regExpFilters, /*boolean?*/makeUnixPaths, /*boolean?*/startDirIsObject) {
+            //summary: Recurses startDir and finds matches to the files that match regExpFilters.include
+            //and do not match regExpFilters.exclude. Or just one regexp can be passed in for regExpFilters,
+            //and it will be treated as the "include" case.
+            //Ignores files/directories that start with a period (.) unless exclusionRegExp
+            //is set to another value.
+            var files = [], topDir, regExpInclude, regExpExclude, dirFileArray,
+                fileObj, filePath, ok, dirFiles;
+
+            topDir = startDir;
+            if (!startDirIsObject) {
+                topDir = xpfile(startDir);
+            }
+
+            regExpInclude = regExpFilters.include || regExpFilters;
+            regExpExclude = regExpFilters.exclude || null;
+
+            if (topDir.exists()) {
+                dirFileArray = topDir.directoryEntries;
+                while (dirFileArray.hasMoreElements()) {
+                    fileObj = dirFileArray.getNext().QueryInterface(Ci.nsILocalFile);
+                    if (fileObj.isFile()) {
+                        filePath = fileObj.path;
+                        if (makeUnixPaths) {
+                            if (filePath.indexOf("/") === -1) {
+                                filePath = filePath.replace(/\\/g, "/");
+                            }
+                        }
+
+                        ok = true;
+                        if (regExpInclude) {
+                            ok = filePath.match(regExpInclude);
+                        }
+                        if (ok && regExpExclude) {
+                            ok = !filePath.match(regExpExclude);
+                        }
+
+                        if (ok && (!file.exclusionRegExp ||
+                            !file.exclusionRegExp.test(fileObj.leafName))) {
+                            files.push(filePath);
+                        }
+                    } else if (fileObj.isDirectory() &&
+                              (!file.exclusionRegExp || !file.exclusionRegExp.test(fileObj.leafName))) {
+                        dirFiles = this.getFilteredFileList(fileObj, regExpFilters, makeUnixPaths, true);
+                        files.push.apply(files, dirFiles);
+                    }
+                }
+            }
+
+            return files; //Array
+        },
+
+        copyDir: function (/*String*/srcDir, /*String*/destDir, /*RegExp?*/regExpFilter, /*boolean?*/onlyCopyNew) {
+            //summary: copies files from srcDir to destDir using the regExpFilter to determine if the
+            //file should be copied. Returns a list file name strings of the destinations that were copied.
+            regExpFilter = regExpFilter || /\w/;
+
+            var fileNames = file.getFilteredFileList(srcDir, regExpFilter, true),
+            copiedFiles = [], i, srcFileName, destFileName;
+
+            for (i = 0; i < fileNames.length; i += 1) {
+                srcFileName = fileNames[i];
+                destFileName = srcFileName.replace(srcDir, destDir);
+
+                if (file.copyFile(srcFileName, destFileName, onlyCopyNew)) {
+                    copiedFiles.push(destFileName);
+                }
+            }
+
+            return copiedFiles.length ? copiedFiles : null; //Array or null
+        },
+
+        copyFile: function (/*String*/srcFileName, /*String*/destFileName, /*boolean?*/onlyCopyNew) {
+            //summary: copies srcFileName to destFileName. If onlyCopyNew is set, it only copies the file if
+            //srcFileName is newer than destFileName. Returns a boolean indicating if the copy occurred.
+            var destFile = xpfile(destFileName),
+            srcFile = xpfile(srcFileName);
+
+            //logger.trace("Src filename: " + srcFileName);
+            //logger.trace("Dest filename: " + destFileName);
+
+            //If onlyCopyNew is true, then compare dates and only copy if the src is newer
+            //than dest.
+            if (onlyCopyNew) {
+                if (destFile.exists() && destFile.lastModifiedTime >= srcFile.lastModifiedTime) {
+                    return false; //Boolean
+                }
+            }
+
+            srcFile.copyTo(destFile.parent, destFile.leafName);
+
+            return true; //Boolean
+        },
+
+        /**
+         * Renames a file. May fail if "to" already exists or is on another drive.
+         */
+        renameFile: function (from, to) {
+            var toFile = xpfile(to);
+            return xpfile(from).moveTo(toFile.parent, toFile.leafName);
+        },
+
+        readFile: xpcUtil.readFile,
+
+        readFileAsync: function (path, encoding) {
+            var d = prim();
+            try {
+                d.resolve(file.readFile(path, encoding));
+            } catch (e) {
+                d.reject(e);
+            }
+            return d.promise;
+        },
+
+        saveUtf8File: function (/*String*/fileName, /*String*/fileContents) {
+            //summary: saves a file using UTF-8 encoding.
+            file.saveFile(fileName, fileContents, "utf-8");
+        },
+
+        saveFile: function (/*String*/fileName, /*String*/fileContents, /*String?*/encoding) {
+            var outStream, convertStream,
+                fileObj = xpfile(fileName);
+
+            mkFullDir(fileObj.parent);
+
+            try {
+                outStream = Cc['@mozilla.org/network/file-output-stream;1']
+                             .createInstance(Ci.nsIFileOutputStream);
+                //438 is decimal for 0777
+                outStream.init(fileObj, 0x02 | 0x08 | 0x20, 511, 0);
+
+                convertStream = Cc['@mozilla.org/intl/converter-output-stream;1']
+                                  .createInstance(Ci.nsIConverterOutputStream);
+
+                convertStream.init(outStream, encoding, 0, 0);
+                convertStream.writeString(fileContents);
+            } catch (e) {
+                throw new Error((fileObj && fileObj.path || '') + ': ' + e);
+            } finally {
+                if (convertStream) {
+                    convertStream.close();
+                }
+                if (outStream) {
+                    outStream.close();
+                }
+            }
+        },
+
+        deleteFile: function (/*String*/fileName) {
+            //summary: deletes a file or directory if it exists.
+            var fileObj = xpfile(fileName);
+            if (fileObj.exists()) {
+                fileObj.remove(true);
+            }
+        },
+
+        /**
+         * Deletes any empty directories under the given directory.
+         * The startDirIsJavaObject is private to this implementation's
+         * recursion needs.
+         */
+        deleteEmptyDirs: function (startDir, startDirIsObject) {
+            var topDir = startDir,
+                dirFileArray, fileObj;
+
+            if (!startDirIsObject) {
+                topDir = xpfile(startDir);
+            }
+
+            if (topDir.exists()) {
+                dirFileArray = topDir.directoryEntries;
+                while (dirFileArray.hasMoreElements()) {
+                    fileObj = dirFileArray.getNext().QueryInterface(Ci.nsILocalFile);
+
+                    if (fileObj.isDirectory()) {
+                        file.deleteEmptyDirs(fileObj, true);
+                    }
+                }
+
+                //If the directory is empty now, delete it.
+                dirFileArray = topDir.directoryEntries;
+                if (!dirFileArray.hasMoreElements()) {
+                    file.deleteFile(topDir.path);
+                }
+            }
+        }
+    };
+
+    return file;
+});
+
+}
+
+if(env === 'browser') {
+/*global process */
+define('browser/quit', function () {
+    'use strict';
+    return function (code) {
+    };
+});
+}
+
+if(env === 'node') {
+/*global process */
+define('node/quit', function () {
+    'use strict';
+    return function (code) {
+        return process.exit(code);
+    };
+});
+}
+
+if(env === 'rhino') {
+/*global quit */
+define('rhino/quit', function () {
+    'use strict';
+    return function (code) {
+        return quit(code);
+    };
+});
+
+}
+
+if(env === 'xpconnect') {
+/*global quit */
+define('xpconnect/quit', function () {
+    'use strict';
+    return function (code) {
+        return quit(code);
+    };
+});
+
+}
+
+if(env === 'browser') {
+/**
+ * @license RequireJS Copyright (c) 2010-2011, The Dojo Foundation All Rights Reserved.
+ * Available via the MIT or new BSD license.
+ * see: http://github.com/jrburke/requirejs for details
+ */
+
+/*jslint strict: false */
+/*global define: false, console: false */
+
+define('browser/print', function () {
+    function print(msg) {
+        console.log(msg);
+    }
+
+    return print;
+});
+
+}
+
+if(env === 'node') {
+/**
+ * @license RequireJS Copyright (c) 2010-2011, The Dojo Foundation All Rights Reserved.
+ * Available via the MIT or new BSD license.
+ * see: http://github.com/jrburke/requirejs for details
+ */
+
+/*jslint strict: false */
+/*global define: false, console: false */
+
+define('node/print', function () {
+    function print(msg) {
+        console.log(msg);
+    }
+
+    return print;
+});
+
+}
+
+if(env === 'rhino') {
+/**
+ * @license RequireJS Copyright (c) 2010-2011, The Dojo Foundation All Rights Reserved.
+ * Available via the MIT or new BSD license.
+ * see: http://github.com/jrburke/requirejs for details
+ */
+
+/*jslint strict: false */
+/*global define: false, print: false */
+
+define('rhino/print', function () {
+    return print;
+});
+
+}
+
+if(env === 'xpconnect') {
+/**
+ * @license RequireJS Copyright (c) 2013, The Dojo Foundation All Rights Reserved.
+ * Available via the MIT or new BSD license.
+ * see: http://github.com/jrburke/requirejs for details
+ */
+
+/*jslint strict: false */
+/*global define: false, print: false */
+
+define('xpconnect/print', function () {
+    return print;
+});
+
+}
+/**
+ * @license RequireJS Copyright (c) 2010-2011, The Dojo Foundation All Rights Reserved.
+ * Available via the MIT or new BSD license.
+ * see: http://github.com/jrburke/requirejs for details
+ */
+
+/*jslint nomen: false, strict: false */
+/*global define: false */
+
+define('logger', ['env!env/print'], function (print) {
+    var logger = {
+        TRACE: 0,
+        INFO: 1,
+        WARN: 2,
+        ERROR: 3,
+        SILENT: 4,
+        level: 0,
+        logPrefix: "",
+
+        logLevel: function( level ) {
+            this.level = level;
+        },
+
+        trace: function (message) {
+            if (this.level <= this.TRACE) {
+                this._print(message);
+            }
+        },
+
+        info: function (message) {
+            if (this.level <= this.INFO) {
+                this._print(message);
+            }
+        },
+
+        warn: function (message) {
+            if (this.level <= this.WARN) {
+                this._print(message);
+            }
+        },
+
+        error: function (message) {
+            if (this.level <= this.ERROR) {
+                this._print(message);
+            }
+        },
+
+        _print: function (message) {
+            this._sysPrint((this.logPrefix ? (this.logPrefix + " ") : "") + message);
+        },
+
+        _sysPrint: function (message) {
+            print(message);
+        }
+    };
+
+    return logger;
+});
+//Just a blank file to use when building the optimizer with the optimizer,
+//so that the build does not attempt to inline some env modules,
+//like Node's fs and path.
+
+//Commit 465a4eae86c7bae191b1ee427571543ace777117 on July 19, 2012
+define('esprima', ['exports'], function(exports) {
+/*
+  Copyright (C) 2012 Ariya Hidayat <ariya.hidayat@gmail.com>
+  Copyright (C) 2012 Mathias Bynens <mathias@qiwi.be>
+  Copyright (C) 2012 Joost-Wim Boekesteijn <joost-wim@boekesteijn.nl>
+  Copyright (C) 2012 Kris Kowal <kris.kowal@cixar.com>
+  Copyright (C) 2012 Yusuke Suzuki <utatane.tea@gmail.com>
+  Copyright (C) 2012 Arpad Borsos <arpad.borsos@googlemail.com>
+  Copyright (C) 2011 Ariya Hidayat <ariya.hidayat@gmail.com>
+
+  Redistribution and use in source and binary forms, with or without
+  modification, are permitted provided that the following conditions are met:
+
+    * Redistributions of source code must retain the above copyright
+      notice, this list of conditions and the following disclaimer.
+    * Redistributions in binary form must reproduce the above copyright
+      notice, this list of conditions and the following disclaimer in the
+      documentation and/or other materials provided with the distribution.
+
+  THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+  AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+  IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+  ARE DISCLAIMED. IN NO EVENT SHALL <COPYRIGHT HOLDER> BE LIABLE FOR ANY
+  DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+  (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+  LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+  ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+  (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
+  THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+*/
+
+/*jslint bitwise:true plusplus:true */
+/*global esprima:true, exports:true,
+throwError: true, createLiteral: true, generateStatement: true,
+parseAssignmentExpression: true, parseBlock: true, parseExpression: true,
+parseFunctionDeclaration: true, parseFunctionExpression: true,
+parseFunctionSourceElements: true, parseVariableIdentifier: true,
+parseLeftHandSideExpression: true,
+parseStatement: true, parseSourceElement: true */
+
+(function (exports) {
+    'use strict';
+
+    var Token,
+        TokenName,
+        Syntax,
+        PropertyKind,
+        Messages,
+        Regex,
+        source,
+        strict,
+        index,
+        lineNumber,
+        lineStart,
+        length,
+        buffer,
+        state,
+        extra;
+
+    Token = {
+        BooleanLiteral: 1,
+        EOF: 2,
+        Identifier: 3,
+        Keyword: 4,
+        NullLiteral: 5,
+        NumericLiteral: 6,
+        Punctuator: 7,
+        StringLiteral: 8
+    };
+
+    TokenName = {};
+    TokenName[Token.BooleanLiteral] = 'Boolean';
+    TokenName[Token.EOF] = '<end>';
+    TokenName[Token.Identifier] = 'Identifier';
+    TokenName[Token.Keyword] = 'Keyword';
+    TokenName[Token.NullLiteral] = 'Null';
+    TokenName[Token.NumericLiteral] = 'Numeric';
+    TokenName[Token.Punctuator] = 'Punctuator';
+    TokenName[Token.StringLiteral] = 'String';
+
+    Syntax = {
+        AssignmentExpression: 'AssignmentExpression',
+        ArrayExpression: 'ArrayExpression',
+        BlockStatement: 'BlockStatement',
+        BinaryExpression: 'BinaryExpression',
+        BreakStatement: 'BreakStatement',
+        CallExpression: 'CallExpression',
+        CatchClause: 'CatchClause',
+        ConditionalExpression: 'ConditionalExpression',
+        ContinueStatement: 'ContinueStatement',
+        DoWhileStatement: 'DoWhileStatement',
+        DebuggerStatement: 'DebuggerStatement',
+        EmptyStatement: 'EmptyStatement',
+        ExpressionStatement: 'ExpressionStatement',
+        ForStatement: 'ForStatement',
+        ForInStatement: 'ForInStatement',
+        FunctionDeclaration: 'FunctionDeclaration',
+        FunctionExpression: 'FunctionExpression',
+        Identifier: 'Identifier',
+        IfStatement: 'IfStatement',
+        Literal: 'Literal',
+        LabeledStatement: 'LabeledStatement',
+        LogicalExpression: 'LogicalExpression',
+        MemberExpression: 'MemberExpression',
+        NewExpression: 'NewExpression',
+        ObjectExpression: 'ObjectExpression',
+        Program: 'Program',
+        Property: 'Property',
+        ReturnStatement: 'ReturnStatement',
+        SequenceExpression: 'SequenceExpression',
+        SwitchStatement: 'SwitchStatement',
+        SwitchCase: 'SwitchCase',
+        ThisExpression: 'ThisExpression',
+        ThrowStatement: 'ThrowStatement',
+        TryStatement: 'TryStatement',
+        UnaryExpression: 'UnaryExpression',
+        UpdateExpression: 'UpdateExpression',
+        VariableDeclaration: 'VariableDeclaration',
+        VariableDeclarator: 'VariableDeclarator',
+        WhileStatement: 'WhileStatement',
+        WithStatement: 'WithStatement'
+    };
+
+    PropertyKind = {
+        Data: 1,
+        Get: 2,
+        Set: 4
+    };
+
+    // Error messages should be identical to V8.
+    Messages = {
+        UnexpectedToken:  'Unexpected token %0',
+        UnexpectedNumber:  'Unexpected number',
+        UnexpectedString:  'Unexpected string',
+        UnexpectedIdentifier:  'Unexpected identifier',
+        UnexpectedReserved:  'Unexpected reserved word',
+        UnexpectedEOS:  'Unexpected end of input',
+        NewlineAfterThrow:  'Illegal newline after throw',
+        InvalidRegExp: 'Invalid regular expression',
+        UnterminatedRegExp:  'Invalid regular expression: missing /',
+        InvalidLHSInAssignment:  'Invalid left-hand side in assignment',
+        InvalidLHSInForIn:  'Invalid left-hand side in for-in',
+        NoCatchOrFinally:  'Missing catch or finally after try',
+        UnknownLabel: 'Undefined label \'%0\'',
+        Redeclaration: '%0 \'%1\' has already been declared',
+        IllegalContinue: 'Illegal continue statement',
+        IllegalBreak: 'Illegal break statement',
+        IllegalReturn: 'Illegal return statement',
+        StrictModeWith:  'Strict mode code may not include a with statement',
+        StrictCatchVariable:  'Catch variable may not be eval or arguments in strict mode',
+        StrictVarName:  'Variable name may not be eval or arguments in strict mode',
+        StrictParamName:  'Parameter name eval or arguments is not allowed in strict mode',
+        StrictParamDupe: 'Strict mode function may not have duplicate parameter names',
+        StrictFunctionName:  'Function name may not be eval or arguments in strict mode',
+        StrictOctalLiteral:  'Octal literals are not allowed in strict mode.',
+        StrictDelete:  'Delete of an unqualified identifier in strict mode.',
+        StrictDuplicateProperty:  'Duplicate data property in object literal not allowed in strict mode',
+        AccessorDataProperty:  'Object literal may not have data and accessor property with the same name',
+        AccessorGetSet:  'Object literal may not have multiple get/set accessors with the same name',
+        StrictLHSAssignment:  'Assignment to eval or arguments is not allowed in strict mode',
+        StrictLHSPostfix:  'Postfix increment/decrement may not have eval or arguments operand in strict mode',
+        StrictLHSPrefix:  'Prefix increment/decrement may not have eval or arguments operand in strict mode',
+        StrictReservedWord:  'Use of future reserved word in strict mode'
+    };
+
+    // See also tools/generate-unicode-regex.py.
+    Regex = {
+        NonAsciiIdentifierStart: new RegExp('[\xaa\xb5\xba\xc0-\xd6\xd8-\xf6\xf8-\u02c1\u02c6-\u02d1\u02e0-\u02e4\u02ec\u02ee\u0370-\u0374\u0376\u0377\u037a-\u037d\u0386\u0388-\u038a\u038c\u038e-\u03a1\u03a3-\u03f5\u03f7-\u0481\u048a-\u0527\u0531-\u0556\u0559\u0561-\u0587\u05d0-\u05ea\u05f0-\u05f2\u0620-\u064a\u066e\u066f\u0671-\u06d3\u06d5\u06e5\u06e6\u06ee\u06ef\u06fa-\u06fc\u06ff\u0710\u0712-\u072f\u074d-\u07a5\u07b1\u07ca-\u07ea\u07f4\u07f5\u07fa\u0800-\u0815\u081a\u0824\u0828\u0840-\u0858\u08a0\u08a2-\u08ac\u0904-\u0939\u093d\u0950\u0958-\u0961\u0971-\u0977\u0979-\u097f\u0985-\u098c\u098f\u0990\u0993-\u09a8\u09aa-\u09b0\u09b2\u09b6-\u09b9\u09bd\u09ce\u09dc\u09dd\u09df-\u09e1\u09f0\u09f1\u0a05-\u0a0a\u0a0f\u0a10\u0a13-\u0a28\u0a2a-\u0a30\u0a32\u0a33\u0a35\u0a36\u0a38\u0a39\u0a59-\u0a5c\u0a5e\u0a72-\u0a74\u0a85-\u0a8d\u0a8f-\u0a91\u0a93-\u0aa8\u0aaa-\u0ab0\u0ab2\u0ab3\u0ab5-\u0ab9\u0abd\u0ad0\u0ae0\u0ae1\u0b05-\u0b0c\u0b0f\u0b10\u0b13-\u0b28\u0b2a-\u0b30\u0b32\u0b33\u0b35-\u0b39\u0b3d\u0b5c\u0b5d\u0b5f-\u0b61\u0b71\u0b83\u0b85-\u0b8a\u0b8e-\u0b90\u0b92-\u0b95\u0b99\u0b9a\u0b9c\u0b9e\u0b9f\u0ba3\u0ba4\u0ba8-\u0baa\u0bae-\u0bb9\u0bd0\u0c05-\u0c0c\u0c0e-\u0c10\u0c12-\u0c28\u0c2a-\u0c33\u0c35-\u0c39\u0c3d\u0c58\u0c59\u0c60\u0c61\u0c85-\u0c8c\u0c8e-\u0c90\u0c92-\u0ca8\u0caa-\u0cb3\u0cb5-\u0cb9\u0cbd\u0cde\u0ce0\u0ce1\u0cf1\u0cf2\u0d05-\u0d0c\u0d0e-\u0d10\u0d12-\u0d3a\u0d3d\u0d4e\u0d60\u0d61\u0d7a-\u0d7f\u0d85-\u0d96\u0d9a-\u0db1\u0db3-\u0dbb\u0dbd\u0dc0-\u0dc6\u0e01-\u0e30\u0e32\u0e33\u0e40-\u0e46\u0e81\u0e82\u0e84\u0e87\u0e88\u0e8a\u0e8d\u0e94-\u0e97\u0e99-\u0e9f\u0ea1-\u0ea3\u0ea5\u0ea7\u0eaa\u0eab\u0ead-\u0eb0\u0eb2\u0eb3\u0ebd\u0ec0-\u0ec4\u0ec6\u0edc-\u0edf\u0f00\u0f40-\u0f47\u0f49-\u0f6c\u0f88-\u0f8c\u1000-\u102a\u103f\u1050-\u1055\u105a-\u105d\u1061\u1065\u1066\u106e-\u1070\u1075-\u1081\u108e\u10a0-\u10c5\u10c7\u10cd\u10d0-\u10fa\u10fc-\u1248\u124a-\u124d\u1250-\u1256\u1258\u125a-\u125d\u1260-\u1288\u128a-\u128d\u1290-\u12b0\u12b2-\u12b5\u12b8-\u12be\u12c0\u12c2-\u12c5\u12c8-\u12d6\u12d8-\u1310\u1312-\u1315\u1318-\u135a\u1380-\u138f\u13a0-\u13f4\u1401-\u166c\u166f-\u167f\u1681-\u169a\u16a0-\u16ea\u16ee-\u16f0\u1700-\u170c\u170e-\u1711\u1720-\u1731\u1740-\u1751\u1760-\u176c\u176e-\u1770\u1780-\u17b3\u17d7\u17dc\u1820-\u1877\u1880-\u18a8\u18aa\u18b0-\u18f5\u1900-\u191c\u1950-\u196d\u1970-\u1974\u1980-\u19ab\u19c1-\u19c7\u1a00-\u1a16\u1a20-\u1a54\u1aa7\u1b05-\u1b33\u1b45-\u1b4b\u1b83-\u1ba0\u1bae\u1baf\u1bba-\u1be5\u1c00-\u1c23\u1c4d-\u1c4f\u1c5a-\u1c7d\u1ce9-\u1cec\u1cee-\u1cf1\u1cf5\u1cf6\u1d00-\u1dbf\u1e00-\u1f15\u1f18-\u1f1d\u1f20-\u1f45\u1f48-\u1f4d\u1f50-\u1f57\u1f59\u1f5b\u1f5d\u1f5f-\u1f7d\u1f80-\u1fb4\u1fb6-\u1fbc\u1fbe\u1fc2-\u1fc4\u1fc6-\u1fcc\u1fd0-\u1fd3\u1fd6-\u1fdb\u1fe0-\u1fec\u1ff2-\u1ff4\u1ff6-\u1ffc\u2071\u207f\u2090-\u209c\u2102\u2107\u210a-\u2113\u2115\u2119-\u211d\u2124\u2126\u2128\u212a-\u212d\u212f-\u2139\u213c-\u213f\u2145-\u2149\u214e\u2160-\u2188\u2c00-\u2c2e\u2c30-\u2c5e\u2c60-\u2ce4\u2ceb-\u2cee\u2cf2\u2cf3\u2d00-\u2d25\u2d27\u2d2d\u2d30-\u2d67\u2d6f\u2d80-\u2d96\u2da0-\u2da6\u2da8-\u2dae\u2db0-\u2db6\u2db8-\u2dbe\u2dc0-\u2dc6\u2dc8-\u2dce\u2dd0-\u2dd6\u2dd8-\u2dde\u2e2f\u3005-\u3007\u3021-\u3029\u3031-\u3035\u3038-\u303c\u3041-\u3096\u309d-\u309f\u30a1-\u30fa\u30fc-\u30ff\u3105-\u312d\u3131-\u318e\u31a0-\u31ba\u31f0-\u31ff\u3400-\u4db5\u4e00-\u9fcc\ua000-\ua48c\ua4d0-\ua4fd\ua500-\ua60c\ua610-\ua61f\ua62a\ua62b\ua640-\ua66e\ua67f-\ua697\ua6a0-\ua6ef\ua717-\ua71f\ua722-\ua788\ua78b-\ua78e\ua790-\ua793\ua7a0-\ua7aa\ua7f8-\ua801\ua803-\ua805\ua807-\ua80a\ua80c-\ua822\ua840-\ua873\ua882-\ua8b3\ua8f2-\ua8f7\ua8fb\ua90a-\ua925\ua930-\ua946\ua960-\ua97c\ua984-\ua9b2\ua9cf\uaa00-\uaa28\uaa40-\uaa42\uaa44-\uaa4b\uaa60-\uaa76\uaa7a\uaa80-\uaaaf\uaab1\uaab5\uaab6\uaab9-\uaabd\uaac0\uaac2\uaadb-\uaadd\uaae0-\uaaea\uaaf2-\uaaf4\uab01-\uab06\uab09-\uab0e\uab11-\uab16\uab20-\uab26\uab28-\uab2e\uabc0-\uabe2\uac00-\ud7a3\ud7b0-\ud7c6\ud7cb-\ud7fb\uf900-\ufa6d\ufa70-\ufad9\ufb00-\ufb06\ufb13-\ufb17\ufb1d\ufb1f-\ufb28\ufb2a-\ufb36\ufb38-\ufb3c\ufb3e\ufb40\ufb41\ufb43\ufb44\ufb46-\ufbb1\ufbd3-\ufd3d\ufd50-\ufd8f\ufd92-\ufdc7\ufdf0-\ufdfb\ufe70-\ufe74\ufe76-\ufefc\uff21-\uff3a\uff41-\uff5a\uff66-\uffbe\uffc2-\uffc7\uffca-\uffcf\uffd2-\uffd7\uffda-\uffdc]'),
+        NonAsciiIdentifierPart: new RegExp('[\xaa\xb5\xba\xc0-\xd6\xd8-\xf6\xf8-\u02c1\u02c6-\u02d1\u02e0-\u02e4\u02ec\u02ee\u0300-\u0374\u0376\u0377\u037a-\u037d\u0386\u0388-\u038a\u038c\u038e-\u03a1\u03a3-\u03f5\u03f7-\u0481\u0483-\u0487\u048a-\u0527\u0531-\u0556\u0559\u0561-\u0587\u0591-\u05bd\u05bf\u05c1\u05c2\u05c4\u05c5\u05c7\u05d0-\u05ea\u05f0-\u05f2\u0610-\u061a\u0620-\u0669\u066e-\u06d3\u06d5-\u06dc\u06df-\u06e8\u06ea-\u06fc\u06ff\u0710-\u074a\u074d-\u07b1\u07c0-\u07f5\u07fa\u0800-\u082d\u0840-\u085b\u08a0\u08a2-\u08ac\u08e4-\u08fe\u0900-\u0963\u0966-\u096f\u0971-\u0977\u0979-\u097f\u0981-\u0983\u0985-\u098c\u098f\u0990\u0993-\u09a8\u09aa-\u09b0\u09b2\u09b6-\u09b9\u09bc-\u09c4\u09c7\u09c8\u09cb-\u09ce\u09d7\u09dc\u09dd\u09df-\u09e3\u09e6-\u09f1\u0a01-\u0a03\u0a05-\u0a0a\u0a0f\u0a10\u0a13-\u0a28\u0a2a-\u0a30\u0a32\u0a33\u0a35\u0a36\u0a38\u0a39\u0a3c\u0a3e-\u0a42\u0a47\u0a48\u0a4b-\u0a4d\u0a51\u0a59-\u0a5c\u0a5e\u0a66-\u0a75\u0a81-\u0a83\u0a85-\u0a8d\u0a8f-\u0a91\u0a93-\u0aa8\u0aaa-\u0ab0\u0ab2\u0ab3\u0ab5-\u0ab9\u0abc-\u0ac5\u0ac7-\u0ac9\u0acb-\u0acd\u0ad0\u0ae0-\u0ae3\u0ae6-\u0aef\u0b01-\u0b03\u0b05-\u0b0c\u0b0f\u0b10\u0b13-\u0b28\u0b2a-\u0b30\u0b32\u0b33\u0b35-\u0b39\u0b3c-\u0b44\u0b47\u0b48\u0b4b-\u0b4d\u0b56\u0b57\u0b5c\u0b5d\u0b5f-\u0b63\u0b66-\u0b6f\u0b71\u0b82\u0b83\u0b85-\u0b8a\u0b8e-\u0b90\u0b92-\u0b95\u0b99\u0b9a\u0b9c\u0b9e\u0b9f\u0ba3\u0ba4\u0ba8-\u0baa\u0bae-\u0bb9\u0bbe-\u0bc2\u0bc6-\u0bc8\u0bca-\u0bcd\u0bd0\u0bd7\u0be6-\u0bef\u0c01-\u0c03\u0c05-\u0c0c\u0c0e-\u0c10\u0c12-\u0c28\u0c2a-\u0c33\u0c35-\u0c39\u0c3d-\u0c44\u0c46-\u0c48\u0c4a-\u0c4d\u0c55\u0c56\u0c58\u0c59\u0c60-\u0c63\u0c66-\u0c6f\u0c82\u0c83\u0c85-\u0c8c\u0c8e-\u0c90\u0c92-\u0ca8\u0caa-\u0cb3\u0cb5-\u0cb9\u0cbc-\u0cc4\u0cc6-\u0cc8\u0cca-\u0ccd\u0cd5\u0cd6\u0cde\u0ce0-\u0ce3\u0ce6-\u0cef\u0cf1\u0cf2\u0d02\u0d03\u0d05-\u0d0c\u0d0e-\u0d10\u0d12-\u0d3a\u0d3d-\u0d44\u0d46-\u0d48\u0d4a-\u0d4e\u0d57\u0d60-\u0d63\u0d66-\u0d6f\u0d7a-\u0d7f\u0d82\u0d83\u0d85-\u0d96\u0d9a-\u0db1\u0db3-\u0dbb\u0dbd\u0dc0-\u0dc6\u0dca\u0dcf-\u0dd4\u0dd6\u0dd8-\u0ddf\u0df2\u0df3\u0e01-\u0e3a\u0e40-\u0e4e\u0e50-\u0e59\u0e81\u0e82\u0e84\u0e87\u0e88\u0e8a\u0e8d\u0e94-\u0e97\u0e99-\u0e9f\u0ea1-\u0ea3\u0ea5\u0ea7\u0eaa\u0eab\u0ead-\u0eb9\u0ebb-\u0ebd\u0ec0-\u0ec4\u0ec6\u0ec8-\u0ecd\u0ed0-\u0ed9\u0edc-\u0edf\u0f00\u0f18\u0f19\u0f20-\u0f29\u0f35\u0f37\u0f39\u0f3e-\u0f47\u0f49-\u0f6c\u0f71-\u0f84\u0f86-\u0f97\u0f99-\u0fbc\u0fc6\u1000-\u1049\u1050-\u109d\u10a0-\u10c5\u10c7\u10cd\u10d0-\u10fa\u10fc-\u1248\u124a-\u124d\u1250-\u1256\u1258\u125a-\u125d\u1260-\u1288\u128a-\u128d\u1290-\u12b0\u12b2-\u12b5\u12b8-\u12be\u12c0\u12c2-\u12c5\u12c8-\u12d6\u12d8-\u1310\u1312-\u1315\u1318-\u135a\u135d-\u135f\u1380-\u138f\u13a0-\u13f4\u1401-\u166c\u166f-\u167f\u1681-\u169a\u16a0-\u16ea\u16ee-\u16f0\u1700-\u170c\u170e-\u1714\u1720-\u1734\u1740-\u1753\u1760-\u176c\u176e-\u1770\u1772\u1773\u1780-\u17d3\u17d7\u17dc\u17dd\u17e0-\u17e9\u180b-\u180d\u1810-\u1819\u1820-\u1877\u1880-\u18aa\u18b0-\u18f5\u1900-\u191c\u1920-\u192b\u1930-\u193b\u1946-\u196d\u1970-\u1974\u1980-\u19ab\u19b0-\u19c9\u19d0-\u19d9\u1a00-\u1a1b\u1a20-\u1a5e\u1a60-\u1a7c\u1a7f-\u1a89\u1a90-\u1a99\u1aa7\u1b00-\u1b4b\u1b50-\u1b59\u1b6b-\u1b73\u1b80-\u1bf3\u1c00-\u1c37\u1c40-\u1c49\u1c4d-\u1c7d\u1cd0-\u1cd2\u1cd4-\u1cf6\u1d00-\u1de6\u1dfc-\u1f15\u1f18-\u1f1d\u1f20-\u1f45\u1f48-\u1f4d\u1f50-\u1f57\u1f59\u1f5b\u1f5d\u1f5f-\u1f7d\u1f80-\u1fb4\u1fb6-\u1fbc\u1fbe\u1fc2-\u1fc4\u1fc6-\u1fcc\u1fd0-\u1fd3\u1fd6-\u1fdb\u1fe0-\u1fec\u1ff2-\u1ff4\u1ff6-\u1ffc\u200c\u200d\u203f\u2040\u2054\u2071\u207f\u2090-\u209c\u20d0-\u20dc\u20e1\u20e5-\u20f0\u2102\u2107\u210a-\u2113\u2115\u2119-\u211d\u2124\u2126\u2128\u212a-\u212d\u212f-\u2139\u213c-\u213f\u2145-\u2149\u214e\u2160-\u2188\u2c00-\u2c2e\u2c30-\u2c5e\u2c60-\u2ce4\u2ceb-\u2cf3\u2d00-\u2d25\u2d27\u2d2d\u2d30-\u2d67\u2d6f\u2d7f-\u2d96\u2da0-\u2da6\u2da8-\u2dae\u2db0-\u2db6\u2db8-\u2dbe\u2dc0-\u2dc6\u2dc8-\u2dce\u2dd0-\u2dd6\u2dd8-\u2dde\u2de0-\u2dff\u2e2f\u3005-\u3007\u3021-\u302f\u3031-\u3035\u3038-\u303c\u3041-\u3096\u3099\u309a\u309d-\u309f\u30a1-\u30fa\u30fc-\u30ff\u3105-\u312d\u3131-\u318e\u31a0-\u31ba\u31f0-\u31ff\u3400-\u4db5\u4e00-\u9fcc\ua000-\ua48c\ua4d0-\ua4fd\ua500-\ua60c\ua610-\ua62b\ua640-\ua66f\ua674-\ua67d\ua67f-\ua697\ua69f-\ua6f1\ua717-\ua71f\ua722-\ua788\ua78b-\ua78e\ua790-\ua793\ua7a0-\ua7aa\ua7f8-\ua827\ua840-\ua873\ua880-\ua8c4\ua8d0-\ua8d9\ua8e0-\ua8f7\ua8fb\ua900-\ua92d\ua930-\ua953\ua960-\ua97c\ua980-\ua9c0\ua9cf-\ua9d9\uaa00-\uaa36\uaa40-\uaa4d\uaa50-\uaa59\uaa60-\uaa76\uaa7a\uaa7b\uaa80-\uaac2\uaadb-\uaadd\uaae0-\uaaef\uaaf2-\uaaf6\uab01-\uab06\uab09-\uab0e\uab11-\uab16\uab20-\uab26\uab28-\uab2e\uabc0-\uabea\uabec\uabed\uabf0-\uabf9\uac00-\ud7a3\ud7b0-\ud7c6\ud7cb-\ud7fb\uf900-\ufa6d\ufa70-\ufad9\ufb00-\ufb06\ufb13-\ufb17\ufb1d-\ufb28\ufb2a-\ufb36\ufb38-\ufb3c\ufb3e\ufb40\ufb41\ufb43\ufb44\ufb46-\ufbb1\ufbd3-\ufd3d\ufd50-\ufd8f\ufd92-\ufdc7\ufdf0-\ufdfb\ufe00-\ufe0f\ufe20-\ufe26\ufe33\ufe34\ufe4d-\ufe4f\ufe70-\ufe74\ufe76-\ufefc\uff10-\uff19\uff21-\uff3a\uff3f\uff41-\uff5a\uff66-\uffbe\uffc2-\uffc7\uffca-\uffcf\uffd2-\uffd7\uffda-\uffdc]')
+    };
+
+    // Ensure the condition is true, otherwise throw an error.
+    // This is only to have a better contract semantic, i.e. another safety net
+    // to catch a logic error. The condition shall be fulfilled in normal case.
+    // Do NOT use this to enforce a certain condition on any user input.
+
+    function assert(condition, message) {
+        if (!condition) {
+            throw new Error('ASSERT: ' + message);
+        }
+    }
+
+    function sliceSource(from, to) {
+        return source.slice(from, to);
+    }
+
+    if (typeof 'esprima'[0] === 'undefined') {
+        sliceSource = function sliceArraySource(from, to) {
+            return source.slice(from, to).join('');
+        };
+    }
+
+    function isDecimalDigit(ch) {
+        return '0123456789'.indexOf(ch) >= 0;
+    }
+
+    function isHexDigit(ch) {
+        return '0123456789abcdefABCDEF'.indexOf(ch) >= 0;
+    }
+
+    function isOctalDigit(ch) {
+        return '01234567'.indexOf(ch) >= 0;
+    }
+
+
+    // 7.2 White Space
+
+    function isWhiteSpace(ch) {
+        return (ch === ' ') || (ch === '\u0009') || (ch === '\u000B') ||
+            (ch === '\u000C') || (ch === '\u00A0') ||
+            (ch.charCodeAt(0) >= 0x1680 &&
+             '\u1680\u180E\u2000\u2001\u2002\u2003\u2004\u2005\u2006\u2007\u2008\u2009\u200A\u202F\u205F\u3000\uFEFF'.indexOf(ch) >= 0);
+    }
+
+    // 7.3 Line Terminators
+
+    function isLineTerminator(ch) {
+        return (ch === '\n' || ch === '\r' || ch === '\u2028' || ch === '\u2029');
+    }
+
+    // 7.6 Identifier Names and Identifiers
+
+    function isIdentifierStart(ch) {
+        return (ch === '$') || (ch === '_') || (ch === '\\') ||
+            (ch >= 'a' && ch <= 'z') || (ch >= 'A' && ch <= 'Z') ||
+            ((ch.charCodeAt(0) >= 0x80) && Regex.NonAsciiIdentifierStart.test(ch));
+    }
+
+    function isIdentifierPart(ch) {
+        return (ch === '$') || (ch === '_') || (ch === '\\') ||
+            (ch >= 'a' && ch <= 'z') || (ch >= 'A' && ch <= 'Z') ||
+            ((ch >= '0') && (ch <= '9')) ||
+            ((ch.charCodeAt(0) >= 0x80) && Regex.NonAsciiIdentifierPart.test(ch));
+    }
+
+    // 7.6.1.2 Future Reserved Words
+
+    function isFutureReservedWord(id) {
+        switch (id) {
+
+        // Future reserved words.
+        case 'class':
+        case 'enum':
+        case 'export':
+        case 'extends':
+        case 'import':
+        case 'super':
+            return true;
+        }
+
+        return false;
+    }
+
+    function isStrictModeReservedWord(id) {
+        switch (id) {
+
+        // Strict Mode reserved words.
+        case 'implements':
+        case 'interface':
+        case 'package':
+        case 'private':
+        case 'protected':
+        case 'public':
+        case 'static':
+        case 'yield':
+        case 'let':
+            return true;
+        }
+
+        return false;
+    }
+
+    function isRestrictedWord(id) {
+        return id === 'eval' || id === 'arguments';
+    }
+
+    // 7.6.1.1 Keywords
+
+    function isKeyword(id) {
+        var keyword = false;
+        switch (id.length) {
+        case 2:
+            keyword = (id === 'if') || (id === 'in') || (id === 'do');
+            break;
+        case 3:
+            keyword = (id === 'var') || (id === 'for') || (id === 'new') || (id === 'try');
+            break;
+        case 4:
+            keyword = (id === 'this') || (id === 'else') || (id === 'case') || (id === 'void') || (id === 'with');
+            break;
+        case 5:
+            keyword = (id === 'while') || (id === 'break') || (id === 'catch') || (id === 'throw');
+            break;
+        case 6:
+            keyword = (id === 'return') || (id === 'typeof') || (id === 'delete') || (id === 'switch');
+            break;
+        case 7:
+            keyword = (id === 'default') || (id === 'finally');
+            break;
+        case 8:
+            keyword = (id === 'function') || (id === 'continue') || (id === 'debugger');
+            break;
+        case 10:
+            keyword = (id === 'instanceof');
+            break;
+        }
+
+        if (keyword) {
+            return true;
+        }
+
+        switch (id) {
+        // Future reserved words.
+        // 'const' is specialized as Keyword in V8.
+        case 'const':
+            return true;
+
+        // For compatiblity to SpiderMonkey and ES.next
+        case 'yield':
+        case 'let':
+            return true;
+        }
+
+        if (strict && isStrictModeReservedWord(id)) {
+            return true;
+        }
+
+        return isFutureReservedWord(id);
+    }
+
+    // Return the next character and move forward.
+
+    function nextChar() {
+        return source[index++];
+    }
+
+    // 7.4 Comments
+
+    function skipComment() {
+        var ch, blockComment, lineComment;
+
+        blockComment = false;
+        lineComment = false;
+
+        while (index < length) {
+            ch = source[index];
+
+            if (lineComment) {
+                ch = nextChar();
+                if (isLineTerminator(ch)) {
+                    lineComment = false;
+                    if (ch === '\r' && source[index] === '\n') {
+                        ++index;
+                    }
+                    ++lineNumber;
+                    lineStart = index;
+                }
+            } else if (blockComment) {
+                if (isLineTerminator(ch)) {
+                    if (ch === '\r' && source[index + 1] === '\n') {
+                        ++index;
+                    }
+                    ++lineNumber;
+                    ++index;
+                    lineStart = index;
+                    if (index >= length) {
+                        throwError({}, Messages.UnexpectedToken, 'ILLEGAL');
+                    }
+                } else {
+                    ch = nextChar();
+                    if (index >= length) {
+                        throwError({}, Messages.UnexpectedToken, 'ILLEGAL');
+                    }
+                    if (ch === '*') {
+                        ch = source[index];
+                        if (ch === '/') {
+                            ++index;
+                            blockComment = false;
+                        }
+                    }
+                }
+            } else if (ch === '/') {
+                ch = source[index + 1];
+                if (ch === '/') {
+                    index += 2;
+                    lineComment = true;
+                } else if (ch === '*') {
+                    index += 2;
+                    blockComment = true;
+                    if (index >= length) {
+                        throwError({}, Messages.UnexpectedToken, 'ILLEGAL');
+                    }
+                } else {
+                    break;
+                }
+            } else if (isWhiteSpace(ch)) {
+                ++index;
+            } else if (isLineTerminator(ch)) {
+                ++index;
+                if (ch ===  '\r' && source[index] === '\n') {
+                    ++index;
+                }
+                ++lineNumber;
+                lineStart = index;
+            } else {
+                break;
+            }
+        }
+    }
+
+    function scanHexEscape(prefix) {
+        var i, len, ch, code = 0;
+
+        len = (prefix === 'u') ? 4 : 2;
+        for (i = 0; i < len; ++i) {
+            if (index < length && isHexDigit(source[index])) {
+                ch = nextChar();
+                code = code * 16 + '0123456789abcdef'.indexOf(ch.toLowerCase());
+            } else {
+                return '';
+            }
+        }
+        return String.fromCharCode(code);
+    }
+
+    function scanIdentifier() {
+        var ch, start, id, restore;
+
+        ch = source[index];
+        if (!isIdentifierStart(ch)) {
+            return;
+        }
+
+        start = index;
+        if (ch === '\\') {
+            ++index;
+            if (source[index] !== 'u') {
+                return;
+            }
+            ++index;
+            restore = index;
+            ch = scanHexEscape('u');
+            if (ch) {
+                if (ch === '\\' || !isIdentifierStart(ch)) {
+                    return;
+                }
+                id = ch;
+            } else {
+                index = restore;
+                id = 'u';
+            }
+        } else {
+            id = nextChar();
+        }
+
+        while (index < length) {
+            ch = source[index];
+            if (!isIdentifierPart(ch)) {
+                break;
+            }
+            if (ch === '\\') {
+                ++index;
+                if (source[index] !== 'u') {
+                    return;
+                }
+                ++index;
+                restore = index;
+                ch = scanHexEscape('u');
+                if (ch) {
+                    if (ch === '\\' || !isIdentifierPart(ch)) {
+                        return;
+                    }
+                    id += ch;
+                } else {
+                    index = restore;
+                    id += 'u';
+                }
+            } else {
+                id += nextChar();
+            }
+        }
+
+        // There is no keyword or literal with only one character.
+        // Thus, it must be an identifier.
+        if (id.length === 1) {
+            return {
+                type: Token.Identifier,
+                value: id,
+                lineNumber: lineNumber,
+                lineStart: lineStart,
+                range: [start, index]
+            };
+        }
+
+        if (isKeyword(id)) {
+            return {
+                type: Token.Keyword,
+                value: id,
+                lineNumber: lineNumber,
+                lineStart: lineStart,
+                range: [start, index]
+            };
+        }
+
+        // 7.8.1 Null Literals
+
+        if (id === 'null') {
+            return {
+                type: Token.NullLiteral,
+                value: id,
+                lineNumber: lineNumber,
+                lineStart: lineStart,
+                range: [start, index]
+            };
+        }
+
+        // 7.8.2 Boolean Literals
+
+        if (id === 'true' || id === 'false') {
+            return {
+                type: Token.BooleanLiteral,
+                value: id,
+                lineNumber: lineNumber,
+                lineStart: lineStart,
+                range: [start, index]
+            };
+        }
+
+        return {
+            type: Token.Identifier,
+            value: id,
+            lineNumber: lineNumber,
+            lineStart: lineStart,
+            range: [start, index]
+        };
+    }
+
+    // 7.7 Punctuators
+
+    function scanPunctuator() {
+        var start = index,
+            ch1 = source[index],
+            ch2,
+            ch3,
+            ch4;
+
+        // Check for most common single-character punctuators.
+
+        if (ch1 === ';' || ch1 === '{' || ch1 === '}') {
+            ++index;
+            return {
+                type: Token.Punctuator,
+                value: ch1,
+                lineNumber: lineNumber,
+                lineStart: lineStart,
+                range: [start, index]
+            };
+        }
+
+        if (ch1 === ',' || ch1 === '(' || ch1 === ')') {
+            ++index;
+            return {
+                type: Token.Punctuator,
+                value: ch1,
+                lineNumber: lineNumber,
+                lineStart: lineStart,
+                range: [start, index]
+            };
+        }
+
+        // Dot (.) can also start a floating-point number, hence the need
+        // to check the next character.
+
+        ch2 = source[index + 1];
+        if (ch1 === '.' && !isDecimalDigit(ch2)) {
+            return {
+                type: Token.Punctuator,
+                value: nextChar(),
+                lineNumber: lineNumber,
+                lineStart: lineStart,
+                range: [start, index]
+            };
+        }
+
+        // Peek more characters.
+
+        ch3 = source[index + 2];
+        ch4 = source[index + 3];
+
+        // 4-character punctuator: >>>=
+
+        if (ch1 === '>' && ch2 === '>' && ch3 === '>') {
+            if (ch4 === '=') {
+                index += 4;
+                return {
+                    type: Token.Punctuator,
+                    value: '>>>=',
+                    lineNumber: lineNumber,
+                    lineStart: lineStart,
+                    range: [start, index]
+                };
+            }
+        }
+
+        // 3-character punctuators: === !== >>> <<= >>=
+
+        if (ch1 === '=' && ch2 === '=' && ch3 === '=') {
+            index += 3;
+            return {
+                type: Token.Punctuator,
+                value: '===',
+                lineNumber: lineNumber,
+                lineStart: lineStart,
+                range: [start, index]
+            };
+        }
+
+        if (ch1 === '!' && ch2 === '=' && ch3 === '=') {
+            index += 3;
+            return {
+                type: Token.Punctuator,
+                value: '!==',
+                lineNumber: lineNumber,
+                lineStart: lineStart,
+                range: [start, index]
+            };
+        }
+
+        if (ch1 === '>' && ch2 === '>' && ch3 === '>') {
+            index += 3;
+            return {
+                type: Token.Punctuator,
+                value: '>>>',
+                lineNumber: lineNumber,
+                lineStart: lineStart,
+                range: [start, index]
+            };
+        }
+
+        if (ch1 === '<' && ch2 === '<' && ch3 === '=') {
+            index += 3;
+            return {
+                type: Token.Punctuator,
+                value: '<<=',
+                lineNumber: lineNumber,
+                lineStart: lineStart,
+                range: [start, index]
+            };
+        }
+
+        if (ch1 === '>' && ch2 === '>' && ch3 === '=') {
+            index += 3;
+            return {
+                type: Token.Punctuator,
+                value: '>>=',
+                lineNumber: lineNumber,
+                lineStart: lineStart,
+                range: [start, index]
+            };
+        }
+
+        // 2-character punctuators: <= >= == != ++ -- << >> && ||
+        // += -= *= %= &= |= ^= /=
+
+        if (ch2 === '=') {
+            if ('<>=!+-*%&|^/'.indexOf(ch1) >= 0) {
+                index += 2;
+                return {
+                    type: Token.Punctuator,
+                    value: ch1 + ch2,
+                    lineNumber: lineNumber,
+                    lineStart: lineStart,
+                    range: [start, index]
+                };
+            }
+        }
+
+        if (ch1 === ch2 && ('+-<>&|'.indexOf(ch1) >= 0)) {
+            if ('+-<>&|'.indexOf(ch2) >= 0) {
+                index += 2;
+                return {
+                    type: Token.Punctuator,
+                    value: ch1 + ch2,
+                    lineNumber: lineNumber,
+                    lineStart: lineStart,
+                    range: [start, index]
+                };
+            }
+        }
+
+        // The remaining 1-character punctuators.
+
+        if ('[]<>+-*%&|^!~?:=/'.indexOf(ch1) >= 0) {
+            return {
+                type: Token.Punctuator,
+                value: nextChar(),
+                lineNumber: lineNumber,
+                lineStart: lineStart,
+                range: [start, index]
+            };
+        }
+    }
+
+    // 7.8.3 Numeric Literals
+
+    function scanNumericLiteral() {
+        var number, start, ch;
+
+        ch = source[index];
+        assert(isDecimalDigit(ch) || (ch === '.'),
+            'Numeric literal must start with a decimal digit or a decimal point');
+
+        start = index;
+        number = '';
+        if (ch !== '.') {
+            number = nextChar();
+            ch = source[index];
+
+            // Hex number starts with '0x'.
+            // Octal number starts with '0'.
+            if (number === '0') {
+                if (ch === 'x' || ch === 'X') {
+                    number += nextChar();
+                    while (index < length) {
+                        ch = source[index];
+                        if (!isHexDigit(ch)) {
+                            break;
+                        }
+                        number += nextChar();
+                    }
+
+                    if (number.length <= 2) {
+                        // only 0x
+                        throwError({}, Messages.UnexpectedToken, 'ILLEGAL');
+                    }
+
+                    if (index < length) {
+                        ch = source[index];
+                        if (isIdentifierStart(ch)) {
+                            throwError({}, Messages.UnexpectedToken, 'ILLEGAL');
+                        }
+                    }
+                    return {
+                        type: Token.NumericLiteral,
+                        value: parseInt(number, 16),
+                        lineNumber: lineNumber,
+                        lineStart: lineStart,
+                        range: [start, index]
+                    };
+                } else if (isOctalDigit(ch)) {
+                    number += nextChar();
+                    while (index < length) {
+                        ch = source[index];
+                        if (!isOctalDigit(ch)) {
+                            break;
+                        }
+                        number += nextChar();
+                    }
+
+                    if (index < length) {
+                        ch = source[index];
+                        if (isIdentifierStart(ch) || isDecimalDigit(ch)) {
+                            throwError({}, Messages.UnexpectedToken, 'ILLEGAL');
+                        }
+                    }
+                    return {
+                        type: Token.NumericLiteral,
+                        value: parseInt(number, 8),
+                        octal: true,
+                        lineNumber: lineNumber,
+                        lineStart: lineStart,
+                        range: [start, index]
+                    };
+                }
+
+                // decimal number starts with '0' such as '09' is illegal.
+                if (isDecimalDigit(ch)) {
+                    throwError({}, Messages.UnexpectedToken, 'ILLEGAL');
+                }
+            }
+
+            while (index < length) {
+                ch = source[index];
+                if (!isDecimalDigit(ch)) {
+                    break;
+                }
+                number += nextChar();
+            }
+        }
+
+        if (ch === '.') {
+            number += nextChar();
+            while (index < length) {
+                ch = source[index];
+                if (!isDecimalDigit(ch)) {
+                    break;
+                }
+                number += nextChar();
+            }
+        }
+
+        if (ch === 'e' || ch === 'E') {
+            number += nextChar();
+
+            ch = source[index];
+            if (ch === '+' || ch === '-') {
+                number += nextChar();
+            }
+
+            ch = source[index];
+            if (isDecimalDigit(ch)) {
+                number += nextChar();
+                while (index < length) {
+                    ch = source[index];
+                    if (!isDecimalDigit(ch)) {
+                        break;
+                    }
+                    number += nextChar();
+                }
+            } else {
+                ch = 'character ' + ch;
+                if (index >= length) {
+                    ch = '<end>';
+                }
+                throwError({}, Messages.UnexpectedToken, 'ILLEGAL');
+            }
+        }
+
+        if (index < length) {
+            ch = source[index];
+            if (isIdentifierStart(ch)) {
+                throwError({}, Messages.UnexpectedToken, 'ILLEGAL');
+            }
+        }
+
+        return {
+            type: Token.NumericLiteral,
+            value: parseFloat(number),
+            lineNumber: lineNumber,
+            lineStart: lineStart,
+            range: [start, index]
+        };
+    }
+
+    // 7.8.4 String Literals
+
+    function scanStringLiteral() {
+        var str = '', quote, start, ch, code, unescaped, restore, octal = false;
+
+        quote = source[index];
+        assert((quote === '\'' || quote === '"'),
+            'String literal must starts with a quote');
+
+        start = index;
+        ++index;
+
+        while (index < length) {
+            ch = nextChar();
+
+            if (ch === quote) {
+                quote = '';
+                break;
+            } else if (ch === '\\') {
+                ch = nextChar();
+                if (!isLineTerminator(ch)) {
+                    switch (ch) {
+                    case 'n':
+                        str += '\n';
+                        break;
+                    case 'r':
+                        str += '\r';
+                        break;
+                    case 't':
+                        str += '\t';
+                        break;
+                    case 'u':
+                    case 'x':
+                        restore = index;
+                        unescaped = scanHexEscape(ch);
+                        if (unescaped) {
+                            str += unescaped;
+                        } else {
+                            index = restore;
+                            str += ch;
+                        }
+                        break;
+                    case 'b':
+                        str += '\b';
+                        break;
+                    case 'f':
+                        str += '\f';
+                        break;
+                    case 'v':
+                        str += '\v';
+                        break;
+
+                    default:
+                        if (isOctalDigit(ch)) {
+                            code = '01234567'.indexOf(ch);
+
+                            // \0 is not octal escape sequence
+                            if (code !== 0) {
+                                octal = true;
+                            }
+
+                            if (index < length && isOctalDigit(source[index])) {
+                                octal = true;
+                                code = code * 8 + '01234567'.indexOf(nextChar());
+
+                                // 3 digits are only allowed when string starts
+                                // with 0, 1, 2, 3
+                                if ('0123'.indexOf(ch) >= 0 &&
+                                        index < length &&
+                                        isOctalDigit(source[index])) {
+                                    code = code * 8 + '01234567'.indexOf(nextChar());
+                                }
+                            }
+                            str += String.fromCharCode(code);
+                        } else {
+                            str += ch;
+                        }
+                        break;
+                    }
+                } else {
+                    ++lineNumber;
+                    if (ch ===  '\r' && source[index] === '\n') {
+                        ++index;
+                    }
+                }
+            } else if (isLineTerminator(ch)) {
+                break;
+            } else {
+                str += ch;
+            }
+        }
+
+        if (quote !== '') {
+            throwError({}, Messages.UnexpectedToken, 'ILLEGAL');
+        }
+
+        return {
+            type: Token.StringLiteral,
+            value: str,
+            octal: octal,
+            lineNumber: lineNumber,
+            lineStart: lineStart,
+            range: [start, index]
+        };
+    }
+
+    function scanRegExp() {
+        var str = '', ch, start, pattern, flags, value, classMarker = false, restore;
+
+        buffer = null;
+        skipComment();
+
+        start = index;
+        ch = source[index];
+        assert(ch === '/', 'Regular expression literal must start with a slash');
+        str = nextChar();
+
+        while (index < length) {
+            ch = nextChar();
+            str += ch;
+            if (classMarker) {
+                if (ch === ']') {
+                    classMarker = false;
+                }
+            } else {
+                if (ch === '\\') {
+                    ch = nextChar();
+                    // ECMA-262 7.8.5
+                    if (isLineTerminator(ch)) {
+                        throwError({}, Messages.UnterminatedRegExp);
+                    }
+                    str += ch;
+                } else if (ch === '/') {
+                    break;
+                } else if (ch === '[') {
+                    classMarker = true;
+                } else if (isLineTerminator(ch)) {
+                    throwError({}, Messages.UnterminatedRegExp);
+                }
+            }
+        }
+
+        if (str.length === 1) {
+            throwError({}, Messages.UnterminatedRegExp);
+        }
+
+        // Exclude leading and trailing slash.
+        pattern = str.substr(1, str.length - 2);
+
+        flags = '';
+        while (index < length) {
+            ch = source[index];
+            if (!isIdentifierPart(ch)) {
+                break;
+            }
+
+            ++index;
+            if (ch === '\\' && index < length) {
+                ch = source[index];
+                if (ch === 'u') {
+                    ++index;
+                    restore = index;
+                    ch = scanHexEscape('u');
+                    if (ch) {
+                        flags += ch;
+                        str += '\\u';
+                        for (; restore < index; ++restore) {
+                            str += source[restore];
+                        }
+                    } else {
+                        index = restore;
+                        flags += 'u';
+                        str += '\\u';
+                    }
+                } else {
+                    str += '\\';
+                }
+            } else {
+                flags += ch;
+                str += ch;
+            }
+        }
+
+        try {
+            value = new RegExp(pattern, flags);
+        } catch (e) {
+            throwError({}, Messages.InvalidRegExp);
+        }
+
+        return {
+            literal: str,
+            value: value,
+            range: [start, index]
+        };
+    }
+
+    function isIdentifierName(token) {
+        return token.type === Token.Identifier ||
+            token.type === Token.Keyword ||
+            token.type === Token.BooleanLiteral ||
+            token.type === Token.NullLiteral;
+    }
+
+    function advance() {
+        var ch, token;
+
+        skipComment();
+
+        if (index >= length) {
+            return {
+                type: Token.EOF,
+                lineNumber: lineNumber,
+                lineStart: lineStart,
+                range: [index, index]
+            };
+        }
+
+        token = scanPunctuator();
+        if (typeof token !== 'undefined') {
+            return token;
+        }
+
+        ch = source[index];
+
+        if (ch === '\'' || ch === '"') {
+            return scanStringLiteral();
+        }
+
+        if (ch === '.' || isDecimalDigit(ch)) {
+            return scanNumericLiteral();
+        }
+
+        token = scanIdentifier();
+        if (typeof token !== 'undefined') {
+            return token;
+        }
+
+        throwError({}, Messages.UnexpectedToken, 'ILLEGAL');
+    }
+
+    function lex() {
+        var token;
+
+        if (buffer) {
+            index = buffer.range[1];
+            lineNumber = buffer.lineNumber;
+            lineStart = buffer.lineStart;
+            token = buffer;
+            buffer = null;
+            return token;
+        }
+
+        buffer = null;
+        return advance();
+    }
+
+    function lookahead() {
+        var pos, line, start;
+
+        if (buffer !== null) {
+            return buffer;
+        }
+
+        pos = index;
+        line = lineNumber;
+        start = lineStart;
+        buffer = advance();
+        index = pos;
+        lineNumber = line;
+        lineStart = start;
+
+        return buffer;
+    }
+
+    // Return true if there is a line terminator before the next token.
+
+    function peekLineTerminator() {
+        var pos, line, start, found;
+
+        pos = index;
+        line = lineNumber;
+        start = lineStart;
+        skipComment();
+        found = lineNumber !== line;
+        index = pos;
+        lineNumber = line;
+        lineStart = start;
+
+        return found;
+    }
+
+    // Throw an exception
+
+    function throwError(token, messageFormat) {
+        var error,
+            args = Array.prototype.slice.call(arguments, 2),
+            msg = messageFormat.replace(
+                /%(\d)/g,
+                function (whole, index) {
+                    return args[index] || '';
+                }
+            );
+
+        if (typeof token.lineNumber === 'number') {
+            error = new Error('Line ' + token.lineNumber + ': ' + msg);
+            error.index = token.range[0];
+            error.lineNumber = token.lineNumber;
+            error.column = token.range[0] - lineStart + 1;
+        } else {
+            error = new Error('Line ' + lineNumber + ': ' + msg);
+            error.index = index;
+            error.lineNumber = lineNumber;
+            error.column = index - lineStart + 1;
+        }
+
+        throw error;
+    }
+
+    function throwErrorTolerant() {
+        var error;
+        try {
+            throwError.apply(null, arguments);
+        } catch (e) {
+            if (extra.errors) {
+                extra.errors.push(e);
+            } else {
+                throw e;
+            }
+        }
+    }
+
+
+    // Throw an exception because of the token.
+
+    function throwUnexpected(token) {
+        var s;
+
+        if (token.type === Token.EOF) {
+            throwError(token, Messages.UnexpectedEOS);
+        }
+
+        if (token.type === Token.NumericLiteral) {
+            throwError(token, Messages.UnexpectedNumber);
+        }
+
+        if (token.type === Token.StringLiteral) {
+            throwError(token, Messages.UnexpectedString);
+        }
+
+        if (token.type === Token.Identifier) {
+            throwError(token, Messages.UnexpectedIdentifier);
+        }
+
+        if (token.type === Token.Keyword) {
+            if (isFutureReservedWord(token.value)) {
+                throwError(token, Messages.UnexpectedReserved);
+            } else if (strict && isStrictModeReservedWord(token.value)) {
+                throwError(token, Messages.StrictReservedWord);
+            }
+            throwError(token, Messages.UnexpectedToken, token.value);
+        }
+
+        // BooleanLiteral, NullLiteral, or Punctuator.
+        throwError(token, Messages.UnexpectedToken, token.value);
+    }
+
+    // Expect the next token to match the specified punctuator.
+    // If not, an exception will be thrown.
+
+    function expect(value) {
+        var token = lex();
+        if (token.type !== Token.Punctuator || token.value !== value) {
+            throwUnexpected(token);
+        }
+    }
+
+    // Expect the next token to match the specified keyword.
+    // If not, an exception will be thrown.
+
+    function expectKeyword(keyword) {
+        var token = lex();
+        if (token.type !== Token.Keyword || token.value !== keyword) {
+            throwUnexpected(token);
+        }
+    }
+
+    // Return true if the next token matches the specified punctuator.
+
+    function match(value) {
+        var token = lookahead();
+        return token.type === Token.Punctuator && token.value === value;
+    }
+
+    // Return true if the next token matches the specified keyword
+
+    function matchKeyword(keyword) {
+        var token = lookahead();
+        return token.type === Token.Keyword && token.value === keyword;
+    }
+
+    // Return true if the next token is an assignment operator
+
+    function matchAssign() {
+        var token = lookahead(),
+            op = token.value;
+
+        if (token.type !== Token.Punctuator) {
+            return false;
+        }
+        return op === '=' ||
+            op === '*=' ||
+            op === '/=' ||
+            op === '%=' ||
+            op === '+=' ||
+            op === '-=' ||
+            op === '<<=' ||
+            op === '>>=' ||
+            op === '>>>=' ||
+            op === '&=' ||
+            op === '^=' ||
+            op === '|=';
+    }
+
+    function consumeSemicolon() {
+        var token, line;
+
+        // Catch the very common case first.
+        if (source[index] === ';') {
+            lex();
+            return;
+        }
+
+        line = lineNumber;
+        skipComment();
+        if (lineNumber !== line) {
+            return;
+        }
+
+        if (match(';')) {
+            lex();
+            return;
+        }
+
+        token = lookahead();
+        if (token.type !== Token.EOF && !match('}')) {
+            throwUnexpected(token);
+        }
+        return;
+    }
+
+    // Return true if provided expression is LeftHandSideExpression
+
+    function isLeftHandSide(expr) {
+        return expr.type === Syntax.Identifier || expr.type === Syntax.MemberExpression;
+    }
+
+    // 11.1.4 Array Initialiser
+
+    function parseArrayInitialiser() {
+        var elements = [],
+            undef;
+
+        expect('[');
+
+        while (!match(']')) {
+            if (match(',')) {
+                lex();
+                elements.push(undef);
+            } else {
+                elements.push(parseAssignmentExpression());
+
+                if (!match(']')) {
+                    expect(',');
+                }
+            }
+        }
+
+        expect(']');
+
+        return {
+            type: Syntax.ArrayExpression,
+            elements: elements
+        };
+    }
+
+    // 11.1.5 Object Initialiser
+
+    function parsePropertyFunction(param, first) {
+        var previousStrict, body;
+
+        previousStrict = strict;
+        body = parseFunctionSourceElements();
+        if (first && strict && isRestrictedWord(param[0].name)) {
+            throwError(first, Messages.StrictParamName);
+        }
+        strict = previousStrict;
+
+        return {
+            type: Syntax.FunctionExpression,
+            id: null,
+            params: param,
+            body: body
+        };
+    }
+
+    function parseObjectPropertyKey() {
+        var token = lex();
+
+        // Note: This function is called only from parseObjectProperty(), where
+        // EOF and Punctuator tokens are already filtered out.
+
+        if (token.type === Token.StringLiteral || token.type === Token.NumericLiteral) {
+            if (strict && token.octal) {
+                throwError(token, Messages.StrictOctalLiteral);
+            }
+            return createLiteral(token);
+        }
+
+        return {
+            type: Syntax.Identifier,
+            name: token.value
+        };
+    }
+
+    function parseObjectProperty() {
+        var token, key, id, param;
+
+        token = lookahead();
+
+        if (token.type === Token.Identifier) {
+
+            id = parseObjectPropertyKey();
+
+            // Property Assignment: Getter and Setter.
+
+            if (token.value === 'get' && !match(':')) {
+                key = parseObjectPropertyKey();
+                expect('(');
+                expect(')');
+                return {
+                    type: Syntax.Property,
+                    key: key,
+                    value: parsePropertyFunction([]),
+                    kind: 'get'
+                };
+            } else if (token.value === 'set' && !match(':')) {
+                key = parseObjectPropertyKey();
+                expect('(');
+                token = lookahead();
+                if (token.type !== Token.Identifier) {
+                    throwUnexpected(lex());
+                }
+                param = [ parseVariableIdentifier() ];
+                expect(')');
+                return {
+                    type: Syntax.Property,
+                    key: key,
+                    value: parsePropertyFunction(param, token),
+                    kind: 'set'
+                };
+            } else {
+                expect(':');
+                return {
+                    type: Syntax.Property,
+                    key: id,
+                    value: parseAssignmentExpression(),
+                    kind: 'init'
+                };
+            }
+        } else if (token.type === Token.EOF || token.type === Token.Punctuator) {
+            throwUnexpected(token);
+        } else {
+            key = parseObjectPropertyKey();
+            expect(':');
+            return {
+                type: Syntax.Property,
+                key: key,
+                value: parseAssignmentExpression(),
+                kind: 'init'
+            };
+        }
+    }
+
+    function parseObjectInitialiser() {
+        var token, properties = [], property, name, kind, map = {}, toString = String;
+
+        expect('{');
+
+        while (!match('}')) {
+            property = parseObjectProperty();
+
+            if (property.key.type === Syntax.Identifier) {
+                name = property.key.name;
+            } else {
+                name = toString(property.key.value);
+            }
+            kind = (property.kind === 'init') ? PropertyKind.Data : (property.kind === 'get') ? PropertyKind.Get : PropertyKind.Set;
+            if (Object.prototype.hasOwnProperty.call(map, name)) {
+                if (map[name] === PropertyKind.Data) {
+                    if (strict && kind === PropertyKind.Data) {
+                        throwErrorTolerant({}, Messages.StrictDuplicateProperty);
+                    } else if (kind !== PropertyKind.Data) {
+                        throwError({}, Messages.AccessorDataProperty);
+                    }
+                } else {
+                    if (kind === PropertyKind.Data) {
+                        throwError({}, Messages.AccessorDataProperty);
+                    } else if (map[name] & kind) {
+                        throwError({}, Messages.AccessorGetSet);
+                    }
+                }
+                map[name] |= kind;
+            } else {
+                map[name] = kind;
+            }
+
+            properties.push(property);
+
+            if (!match('}')) {
+                expect(',');
+            }
+        }
+
+        expect('}');
+
+        return {
+            type: Syntax.ObjectExpression,
+            properties: properties
+        };
+    }
+
+    // 11.1 Primary Expressions
+
+    function parsePrimaryExpression() {
+        var expr,
+            token = lookahead(),
+            type = token.type;
+
+        if (type === Token.Identifier) {
+            return {
+                type: Syntax.Identifier,
+                name: lex().value
+            };
+        }
+
+        if (type === Token.StringLiteral || type === Token.NumericLiteral) {
+            if (strict && token.octal) {
+                throwErrorTolerant(token, Messages.StrictOctalLiteral);
+            }
+            return createLiteral(lex());
+        }
+
+        if (type === Token.Keyword) {
+            if (matchKeyword('this')) {
+                lex();
+                return {
+                    type: Syntax.ThisExpression
+                };
+            }
+
+            if (matchKeyword('function')) {
+                return parseFunctionExpression();
+            }
+        }
+
+        if (type === Token.BooleanLiteral) {
+            lex();
+            token.value = (token.value === 'true');
+            return createLiteral(token);
+        }
+
+        if (type === Token.NullLiteral) {
+            lex();
+            token.value = null;
+            return createLiteral(token);
+        }
+
+        if (match('[')) {
+            return parseArrayInitialiser();
+        }
+
+        if (match('{')) {
+            return parseObjectInitialiser();
+        }
+
+        if (match('(')) {
+            lex();
+            state.lastParenthesized = expr = parseExpression();
+            expect(')');
+            return expr;
+        }
+
+        if (match('/') || match('/=')) {
+            return createLiteral(scanRegExp());
+        }
+
+        return throwUnexpected(lex());
+    }
+
+    // 11.2 Left-Hand-Side Expressions
+
+    function parseArguments() {
+        var args = [];
+
+        expect('(');
+
+        if (!match(')')) {
+            while (index < length) {
+                args.push(parseAssignmentExpression());
+                if (match(')')) {
+                    break;
+                }
+                expect(',');
+            }
+        }
+
+        expect(')');
+
+        return args;
+    }
+
+    function parseNonComputedProperty() {
+        var token = lex();
+
+        if (!isIdentifierName(token)) {
+            throwUnexpected(token);
+        }
+
+        return {
+            type: Syntax.Identifier,
+            name: token.value
+        };
+    }
+
+    function parseNonComputedMember(object) {
+        return {
+            type: Syntax.MemberExpression,
+            computed: false,
+            object: object,
+            property: parseNonComputedProperty()
+        };
+    }
+
+    function parseComputedMember(object) {
+        var property, expr;
+
+        expect('[');
+        property = parseExpression();
+        expr = {
+            type: Syntax.MemberExpression,
+            computed: true,
+            object: object,
+            property: property
+        };
+        expect(']');
+        return expr;
+    }
+
+    function parseCallMember(object) {
+        return {
+            type: Syntax.CallExpression,
+            callee: object,
+            'arguments': parseArguments()
+        };
+    }
+
+    function parseNewExpression() {
+        var expr;
+
+        expectKeyword('new');
+
+        expr = {
+            type: Syntax.NewExpression,
+            callee: parseLeftHandSideExpression(),
+            'arguments': []
+        };
+
+        if (match('(')) {
+            expr['arguments'] = parseArguments();
+        }
+
+        return expr;
+    }
+
+    function parseLeftHandSideExpressionAllowCall() {
+        var useNew, expr;
+
+        useNew = matchKeyword('new');
+        expr = useNew ? parseNewExpression() : parsePrimaryExpression();
+
+        while (index < length) {
+            if (match('.')) {
+                lex();
+                expr = parseNonComputedMember(expr);
+            } else if (match('[')) {
+                expr = parseComputedMember(expr);
+            } else if (match('(')) {
+                expr = parseCallMember(expr);
+            } else {
+                break;
+            }
+        }
+
+        return expr;
+    }
+
+    function parseLeftHandSideExpression() {
+        var useNew, expr;
+
+        useNew = matchKeyword('new');
+        expr = useNew ? parseNewExpression() : parsePrimaryExpression();
+
+        while (index < length) {
+            if (match('.')) {
+                lex();
+                expr = parseNonComputedMember(expr);
+            } else if (match('[')) {
+                expr = parseComputedMember(expr);
+            } else {
+                break;
+            }
+        }
+
+        return expr;
+    }
+
+    // 11.3 Postfix Expressions
+
+    function parsePostfixExpression() {
+        var expr = parseLeftHandSideExpressionAllowCall();
+
+        if ((match('++') || match('--')) && !peekLineTerminator()) {
+            // 11.3.1, 11.3.2
+            if (strict && expr.type === Syntax.Identifier && isRestrictedWord(expr.name)) {
+                throwError({}, Messages.StrictLHSPostfix);
+            }
+
+            if (!isLeftHandSide(expr)) {
+                throwError({}, Messages.InvalidLHSInAssignment);
+            }
+
+            expr = {
+                type: Syntax.UpdateExpression,
+                operator: lex().value,
+                argument: expr,
+                prefix: false
+            };
+        }
+
+        return expr;
+    }
+
+    // 11.4 Unary Operators
+
+    function parseUnaryExpression() {
+        var token, expr;
+
+        if (match('++') || match('--')) {
+            token = lex();
+            expr = parseUnaryExpression();
+            // 11.4.4, 11.4.5
+            if (strict && expr.type === Syntax.Identifier && isRestrictedWord(expr.name)) {
+                throwError({}, Messages.StrictLHSPrefix);
+            }
+
+            if (!isLeftHandSide(expr)) {
+                throwError({}, Messages.InvalidLHSInAssignment);
+            }
+
+            expr = {
+                type: Syntax.UpdateExpression,
+                operator: token.value,
+                argument: expr,
+                prefix: true
+            };
+            return expr;
+        }
+
+        if (match('+') || match('-') || match('~') || match('!')) {
+            expr = {
+                type: Syntax.UnaryExpression,
+                operator: lex().value,
+                argument: parseUnaryExpression()
+            };
+            return expr;
+        }
+
+        if (matchKeyword('delete') || matchKeyword('void') || matchKeyword('typeof')) {
+            expr = {
+                type: Syntax.UnaryExpression,
+                operator: lex().value,
+                argument: parseUnaryExpression()
+            };
+            if (strict && expr.operator === 'delete' && expr.argument.type === Syntax.Identifier) {
+                throwErrorTolerant({}, Messages.StrictDelete);
+            }
+            return expr;
+        }
+
+        return parsePostfixExpression();
+    }
+
+    // 11.5 Multiplicative Operators
+
+    function parseMultiplicativeExpression() {
+        var expr = parseUnaryExpression();
+
+        while (match('*') || match('/') || match('%')) {
+            expr = {
+                type: Syntax.BinaryExpression,
+                operator: lex().value,
+                left: expr,
+                right: parseUnaryExpression()
+            };
+        }
+
+        return expr;
+    }
+
+    // 11.6 Additive Operators
+
+    function parseAdditiveExpression() {
+        var expr = parseMultiplicativeExpression();
+
+        while (match('+') || match('-')) {
+            expr = {
+                type: Syntax.BinaryExpression,
+                operator: lex().value,
+                left: expr,
+                right: parseMultiplicativeExpression()
+            };
+        }
+
+        return expr;
+    }
+
+    // 11.7 Bitwise Shift Operators
+
+    function parseShiftExpression() {
+        var expr = parseAdditiveExpression();
+
+        while (match('<<') || match('>>') || match('>>>')) {
+            expr = {
+                type: Syntax.BinaryExpression,
+                operator: lex().value,
+                left: expr,
+                right: parseAdditiveExpression()
+            };
+        }
+
+        return expr;
+    }
+    // 11.8 Relational Operators
+
+    function parseRelationalExpression() {
+        var expr, previousAllowIn;
+
+        previousAllowIn = state.allowIn;
+        state.allowIn = true;
+
+        expr = parseShiftExpression();
+
+        while (match('<') || match('>') || match('<=') || match('>=') || (previousAllowIn && matchKeyword('in')) || matchKeyword('instanceof')) {
+            expr = {
+                type: Syntax.BinaryExpression,
+                operator: lex().value,
+                left: expr,
+                right: parseShiftExpression()
+            };
+        }
+
+        state.allowIn = previousAllowIn;
+        return expr;
+    }
+
+    // 11.9 Equality Operators
+
+    function parseEqualityExpression() {
+        var expr = parseRelationalExpression();
+
+        while (match('==') || match('!=') || match('===') || match('!==')) {
+            expr = {
+                type: Syntax.BinaryExpression,
+                operator: lex().value,
+                left: expr,
+                right: parseRelationalExpression()
+            };
+        }
+
+        return expr;
+    }
+
+    // 11.10 Binary Bitwise Operators
+
+    function parseBitwiseANDExpression() {
+        var expr = parseEqualityExpression();
+
+        while (match('&')) {
+            lex();
+            expr = {
+                type: Syntax.BinaryExpression,
+                operator: '&',
+                left: expr,
+                right: parseEqualityExpression()
+            };
+        }
+
+        return expr;
+    }
+
+    function parseBitwiseXORExpression() {
+        var expr = parseBitwiseANDExpression();
+
+        while (match('^')) {
+            lex();
+            expr = {
+                type: Syntax.BinaryExpression,
+                operator: '^',
+                left: expr,
+                right: parseBitwiseANDExpression()
+            };
+        }
+
+        return expr;
+    }
+
+    function parseBitwiseORExpression() {
+        var expr = parseBitwiseXORExpression();
+
+        while (match('|')) {
+            lex();
+            expr = {
+                type: Syntax.BinaryExpression,
+                operator: '|',
+                left: expr,
+                right: parseBitwiseXORExpression()
+            };
+        }
+
+        return expr;
+    }
+
+    // 11.11 Binary Logical Operators
+
+    function parseLogicalANDExpression() {
+        var expr = parseBitwiseORExpression();
+
+        while (match('&&')) {
+            lex();
+            expr = {
+                type: Syntax.LogicalExpression,
+                operator: '&&',
+                left: expr,
+                right: parseBitwiseORExpression()
+            };
+        }
+
+        return expr;
+    }
+
+    function parseLogicalORExpression() {
+        var expr = parseLogicalANDExpression();
+
+        while (match('||')) {
+            lex();
+            expr = {
+                type: Syntax.LogicalExpression,
+                operator: '||',
+                left: expr,
+                right: parseLogicalANDExpression()
+            };
+        }
+
+        return expr;
+    }
+
+    // 11.12 Conditional Operator
+
+    function parseConditionalExpression() {
+        var expr, previousAllowIn, consequent;
+
+        expr = parseLogicalORExpression();
+
+        if (match('?')) {
+            lex();
+            previousAllowIn = state.allowIn;
+            state.allowIn = true;
+            consequent = parseAssignmentExpression();
+            state.allowIn = previousAllowIn;
+            expect(':');
+
+            expr = {
+                type: Syntax.ConditionalExpression,
+                test: expr,
+                consequent: consequent,
+                alternate: parseAssignmentExpression()
+            };
+        }
+
+        return expr;
+    }
+
+    // 11.13 Assignment Operators
+
+    function parseAssignmentExpression() {
+        var expr;
+
+        expr = parseConditionalExpression();
+
+        if (matchAssign()) {
+            // LeftHandSideExpression
+            if (!isLeftHandSide(expr)) {
+                throwError({}, Messages.InvalidLHSInAssignment);
+            }
+
+            // 11.13.1
+            if (strict && expr.type === Syntax.Identifier && isRestrictedWord(expr.name)) {
+                throwError({}, Messages.StrictLHSAssignment);
+            }
+
+            expr = {
+                type: Syntax.AssignmentExpression,
+                operator: lex().value,
+                left: expr,
+                right: parseAssignmentExpression()
+            };
+        }
+
+        return expr;
+    }
+
+    // 11.14 Comma Operator
+
+    function parseExpression() {
+        var expr = parseAssignmentExpression();
+
+        if (match(',')) {
+            expr = {
+                type: Syntax.SequenceExpression,
+                expressions: [ expr ]
+            };
+
+            while (index < length) {
+                if (!match(',')) {
+                    break;
+                }
+                lex();
+                expr.expressions.push(parseAssignmentExpression());
+            }
+
+        }
+        return expr;
+    }
+
+    // 12.1 Block
+
+    function parseStatementList() {
+        var list = [],
+            statement;
+
+        while (index < length) {
+            if (match('}')) {
+                break;
+            }
+            statement = parseSourceElement();
+            if (typeof statement === 'undefined') {
+                break;
+            }
+            list.push(statement);
+        }
+
+        return list;
+    }
+
+    function parseBlock() {
+        var block;
+
+        expect('{');
+
+        block = parseStatementList();
+
+        expect('}');
+
+        return {
+            type: Syntax.BlockStatement,
+            body: block
+        };
+    }
+
+    // 12.2 Variable Statement
+
+    function parseVariableIdentifier() {
+        var token = lex();
+
+        if (token.type !== Token.Identifier) {
+            throwUnexpected(token);
+        }
+
+        return {
+            type: Syntax.Identifier,
+            name: token.value
+        };
+    }
+
+    function parseVariableDeclaration(kind) {
+        var id = parseVariableIdentifier(),
+            init = null;
+
+        // 12.2.1
+        if (strict && isRestrictedWord(id.name)) {
+            throwErrorTolerant({}, Messages.StrictVarName);
+        }
+
+        if (kind === 'const') {
+            expect('=');
+            init = parseAssignmentExpression();
+        } else if (match('=')) {
+            lex();
+            init = parseAssignmentExpression();
+        }
+
+        return {
+            type: Syntax.VariableDeclarator,
+            id: id,
+            init: init
+        };
+    }
+
+    function parseVariableDeclarationList(kind) {
+        var list = [];
+
+        while (index < length) {
+            list.push(parseVariableDeclaration(kind));
+            if (!match(',')) {
+                break;
+            }
+            lex();
+        }
+
+        return list;
+    }
+
+    function parseVariableStatement() {
+        var declarations;
+
+        expectKeyword('var');
+
+        declarations = parseVariableDeclarationList();
+
+        consumeSemicolon();
+
+        return {
+            type: Syntax.VariableDeclaration,
+            declarations: declarations,
+            kind: 'var'
+        };
+    }
+
+    // kind may be `const` or `let`
+    // Both are experimental and not in the specification yet.
+    // see http://wiki.ecmascript.org/doku.php?id=harmony:const
+    // and http://wiki.ecmascript.org/doku.php?id=harmony:let
+    function parseConstLetDeclaration(kind) {
+        var declarations;
+
+        expectKeyword(kind);
+
+        declarations = parseVariableDeclarationList(kind);
+
+        consumeSemicolon();
+
+        return {
+            type: Syntax.VariableDeclaration,
+            declarations: declarations,
+            kind: kind
+        };
+    }
+
+    // 12.3 Empty Statement
+
+    function parseEmptyStatement() {
+        expect(';');
+
+        return {
+            type: Syntax.EmptyStatement
+        };
+    }
+
+    // 12.4 Expression Statement
+
+    function parseExpressionStatement() {
+        var expr = parseExpression();
+
+        consumeSemicolon();
+
+        return {
+            type: Syntax.ExpressionStatement,
+            expression: expr
+        };
+    }
+
+    // 12.5 If statement
+
+    function parseIfStatement() {
+        var test, consequent, alternate;
+
+        expectKeyword('if');
+
+        expect('(');
+
+        test = parseExpression();
+
+        expect(')');
+
+        consequent = parseStatement();
+
+        if (matchKeyword('else')) {
+            lex();
+            alternate = parseStatement();
+        } else {
+            alternate = null;
+        }
+
+        return {
+            type: Syntax.IfStatement,
+            test: test,
+            consequent: consequent,
+            alternate: alternate
+        };
+    }
+
+    // 12.6 Iteration Statements
+
+    function parseDoWhileStatement() {
+        var body, test, oldInIteration;
+
+        expectKeyword('do');
+
+        oldInIteration = state.inIteration;
+        state.inIteration = true;
+
+        body = parseStatement();
+
+        state.inIteration = oldInIteration;
+
+        expectKeyword('while');
+
+        expect('(');
+
+        test = parseExpression();
+
+        expect(')');
+
+        if (match(';')) {
+            lex();
+        }
+
+        return {
+            type: Syntax.DoWhileStatement,
+            body: body,
+            test: test
+        };
+    }
+
+    function parseWhileStatement() {
+        var test, body, oldInIteration;
+
+        expectKeyword('while');
+
+        expect('(');
+
+        test = parseExpression();
+
+        expect(')');
+
+        oldInIteration = state.inIteration;
+        state.inIteration = true;
+
+        body = parseStatement();
+
+        state.inIteration = oldInIteration;
+
+        return {
+            type: Syntax.WhileStatement,
+            test: test,
+            body: body
+        };
+    }
+
+    function parseForVariableDeclaration() {
+        var token = lex();
+
+        return {
+            type: Syntax.VariableDeclaration,
+            declarations: parseVariableDeclarationList(),
+            kind: token.value
+        };
+    }
+
+    function parseForStatement() {
+        var init, test, update, left, right, body, oldInIteration;
+
+        init = test = update = null;
+
+        expectKeyword('for');
+
+        expect('(');
+
+        if (match(';')) {
+            lex();
+        } else {
+            if (matchKeyword('var') || matchKeyword('let')) {
+                state.allowIn = false;
+                init = parseForVariableDeclaration();
+                state.allowIn = true;
+
+                if (init.declarations.length === 1 && matchKeyword('in')) {
+                    lex();
+                    left = init;
+                    right = parseExpression();
+                    init = null;
+                }
+            } else {
+                state.allowIn = false;
+                init = parseExpression();
+                state.allowIn = true;
+
+                if (matchKeyword('in')) {
+                    // LeftHandSideExpression
+                    if (!isLeftHandSide(init)) {
+                        throwError({}, Messages.InvalidLHSInForIn);
+                    }
+
+                    lex();
+                    left = init;
+                    right = parseExpression();
+                    init = null;
+                }
+            }
+
+            if (typeof left === 'undefined') {
+                expect(';');
+            }
+        }
+
+        if (typeof left === 'undefined') {
+
+            if (!match(';')) {
+                test = parseExpression();
+            }
+            expect(';');
+
+            if (!match(')')) {
+                update = parseExpression();
+            }
+        }
+
+        expect(')');
+
+        oldInIteration = state.inIteration;
+        state.inIteration = true;
+
+        body = parseStatement();
+
+        state.inIteration = oldInIteration;
+
+        if (typeof left === 'undefined') {
+            return {
+                type: Syntax.ForStatement,
+                init: init,
+                test: test,
+                update: update,
+                body: body
+            };
+        }
+
+        return {
+            type: Syntax.ForInStatement,
+            left: left,
+            right: right,
+            body: body,
+            each: false
+        };
+    }
+
+    // 12.7 The continue statement
+
+    function parseContinueStatement() {
+        var token, label = null;
+
+        expectKeyword('continue');
+
+        // Optimize the most common form: 'continue;'.
+        if (source[index] === ';') {
+            lex();
+
+            if (!state.inIteration) {
+                throwError({}, Messages.IllegalContinue);
+            }
+
+            return {
+                type: Syntax.ContinueStatement,
+                label: null
+            };
+        }
+
+        if (peekLineTerminator()) {
+            if (!state.inIteration) {
+                throwError({}, Messages.IllegalContinue);
+            }
+
+            return {
+                type: Syntax.ContinueStatement,
+                label: null
+            };
+        }
+
+        token = lookahead();
+        if (token.type === Token.Identifier) {
+            label = parseVariableIdentifier();
+
+            if (!Object.prototype.hasOwnProperty.call(state.labelSet, label.name)) {
+                throwError({}, Messages.UnknownLabel, label.name);
+            }
+        }
+
+        consumeSemicolon();
+
+        if (label === null && !state.inIteration) {
+            throwError({}, Messages.IllegalContinue);
+        }
+
+        return {
+            type: Syntax.ContinueStatement,
+            label: label
+        };
+    }
+
+    // 12.8 The break statement
+
+    function parseBreakStatement() {
+        var token, label = null;
+
+        expectKeyword('break');
+
+        // Optimize the most common form: 'break;'.
+        if (source[index] === ';') {
+            lex();
+
+            if (!(state.inIteration || state.inSwitch)) {
+                throwError({}, Messages.IllegalBreak);
+            }
+
+            return {
+                type: Syntax.BreakStatement,
+                label: null
+            };
+        }
+
+        if (peekLineTerminator()) {
+            if (!(state.inIteration || state.inSwitch)) {
+                throwError({}, Messages.IllegalBreak);
+            }
+
+            return {
+                type: Syntax.BreakStatement,
+                label: null
+            };
+        }
+
+        token = lookahead();
+        if (token.type === Token.Identifier) {
+            label = parseVariableIdentifier();
+
+            if (!Object.prototype.hasOwnProperty.call(state.labelSet, label.name)) {
+                throwError({}, Messages.UnknownLabel, label.name);
+            }
+        }
+
+        consumeSemicolon();
+
+        if (label === null && !(state.inIteration || state.inSwitch)) {
+            throwError({}, Messages.IllegalBreak);
+        }
+
+        return {
+            type: Syntax.BreakStatement,
+            label: label
+        };
+    }
+
+    // 12.9 The return statement
+
+    function parseReturnStatement() {
+        var token, argument = null;
+
+        expectKeyword('return');
+
+        if (!state.inFunctionBody) {
+            throwErrorTolerant({}, Messages.IllegalReturn);
+        }
+
+        // 'return' followed by a space and an identifier is very common.
+        if (source[index] === ' ') {
+            if (isIdentifierStart(source[index + 1])) {
+                argument = parseExpression();
+                consumeSemicolon();
+                return {
+                    type: Syntax.ReturnStatement,
+                    argument: argument
+                };
+            }
+        }
+
+        if (peekLineTerminator()) {
+            return {
+                type: Syntax.ReturnStatement,
+                argument: null
+            };
+        }
+
+        if (!match(';')) {
+            token = lookahead();
+            if (!match('}') && token.type !== Token.EOF) {
+                argument = parseExpression();
+            }
+        }
+
+        consumeSemicolon();
+
+        return {
+            type: Syntax.ReturnStatement,
+            argument: argument
+        };
+    }
+
+    // 12.10 The with statement
+
+    function parseWithStatement() {
+        var object, body;
+
+        if (strict) {
+            throwErrorTolerant({}, Messages.StrictModeWith);
+        }
+
+        expectKeyword('with');
+
+        expect('(');
+
+        object = parseExpression();
+
+        expect(')');
+
+        body = parseStatement();
+
+        return {
+            type: Syntax.WithStatement,
+            object: object,
+            body: body
+        };
+    }
+
+    // 12.10 The swith statement
+
+    function parseSwitchCase() {
+        var test,
+            consequent = [],
+            statement;
+
+        if (matchKeyword('default')) {
+            lex();
+            test = null;
+        } else {
+            expectKeyword('case');
+            test = parseExpression();
+        }
+        expect(':');
+
+        while (index < length) {
+            if (match('}') || matchKeyword('default') || matchKeyword('case')) {
+                break;
+            }
+            statement = parseStatement();
+            if (typeof statement === 'undefined') {
+                break;
+            }
+            consequent.push(statement);
+        }
+
+        return {
+            type: Syntax.SwitchCase,
+            test: test,
+            consequent: consequent
+        };
+    }
+
+    function parseSwitchStatement() {
+        var discriminant, cases, oldInSwitch;
+
+        expectKeyword('switch');
+
+        expect('(');
+
+        discriminant = parseExpression();
+
+        expect(')');
+
+        expect('{');
+
+        if (match('}')) {
+            lex();
+            return {
+                type: Syntax.SwitchStatement,
+                discriminant: discriminant
+            };
+        }
+
+        cases = [];
+
+        oldInSwitch = state.inSwitch;
+        state.inSwitch = true;
+
+        while (index < length) {
+            if (match('}')) {
+                break;
+            }
+            cases.push(parseSwitchCase());
+        }
+
+        state.inSwitch = oldInSwitch;
+
+        expect('}');
+
+        return {
+            type: Syntax.SwitchStatement,
+            discriminant: discriminant,
+            cases: cases
+        };
+    }
+
+    // 12.13 The throw statement
+
+    function parseThrowStatement() {
+        var argument;
+
+        expectKeyword('throw');
+
+        if (peekLineTerminator()) {
+            throwError({}, Messages.NewlineAfterThrow);
+        }
+
+        argument = parseExpression();
+
+        consumeSemicolon();
+
+        return {
+            type: Syntax.ThrowStatement,
+            argument: argument
+        };
+    }
+
+    // 12.14 The try statement
+
+    function parseCatchClause() {
+        var param;
+
+        expectKeyword('catch');
+
+        expect('(');
+        if (!match(')')) {
+            param = parseExpression();
+            // 12.14.1
+            if (strict && param.type === Syntax.Identifier && isRestrictedWord(param.name)) {
+                throwErrorTolerant({}, Messages.StrictCatchVariable);
+            }
+        }
+        expect(')');
+
+        return {
+            type: Syntax.CatchClause,
+            param: param,
+            guard: null,
+            body: parseBlock()
+        };
+    }
+
+    function parseTryStatement() {
+        var block, handlers = [], finalizer = null;
+
+        expectKeyword('try');
+
+        block = parseBlock();
+
+        if (matchKeyword('catch')) {
+            handlers.push(parseCatchClause());
+        }
+
+        if (matchKeyword('finally')) {
+            lex();
+            finalizer = parseBlock();
+        }
+
+        if (handlers.length === 0 && !finalizer) {
+            throwError({}, Messages.NoCatchOrFinally);
+        }
+
+        return {
+            type: Syntax.TryStatement,
+            block: block,
+            handlers: handlers,
+            finalizer: finalizer
+        };
+    }
+
+    // 12.15 The debugger statement
+
+    function parseDebuggerStatement() {
+        expectKeyword('debugger');
+
+        consumeSemicolon();
+
+        return {
+            type: Syntax.DebuggerStatement
+        };
+    }
+
+    // 12 Statements
+
+    function parseStatement() {
+        var token = lookahead(),
+            expr,
+            labeledBody;
+
+        if (token.type === Token.EOF) {
+            throwUnexpected(token);
+        }
+
+        if (token.type === Token.Punctuator) {
+            switch (token.value) {
+            case ';':
+                return parseEmptyStatement();
+            case '{':
+                return parseBlock();
+            case '(':
+                return parseExpressionStatement();
+            default:
+                break;
+            }
+        }
+
+        if (token.type === Token.Keyword) {
+            switch (token.value) {
+            case 'break':
+                return parseBreakStatement();
+            case 'continue':
+                return parseContinueStatement();
+            case 'debugger':
+                return parseDebuggerStatement();
+            case 'do':
+                return parseDoWhileStatement();
+            case 'for':
+                return parseForStatement();
+            case 'function':
+                return parseFunctionDeclaration();
+            case 'if':
+                return parseIfStatement();
+            case 'return':
+                return parseReturnStatement();
+            case 'switch':
+                return parseSwitchStatement();
+            case 'throw':
+                return parseThrowStatement();
+            case 'try':
+                return parseTryStatement();
+            case 'var':
+                return parseVariableStatement();
+            case 'while':
+                return parseWhileStatement();
+            case 'with':
+                return parseWithStatement();
+            default:
+                break;
+            }
+        }
+
+        expr = parseExpression();
+
+        // 12.12 Labelled Statements
+        if ((expr.type === Syntax.Identifier) && match(':')) {
+            lex();
+
+            if (Object.prototype.hasOwnProperty.call(state.labelSet, expr.name)) {
+                throwError({}, Messages.Redeclaration, 'Label', expr.name);
+            }
+
+            state.labelSet[expr.name] = true;
+            labeledBody = parseStatement();
+            delete state.labelSet[expr.name];
+
+            return {
+                type: Syntax.LabeledStatement,
+                label: expr,
+                body: labeledBody
+            };
+        }
+
+        consumeSemicolon();
+
+        return {
+            type: Syntax.ExpressionStatement,
+            expression: expr
+        };
+    }
+
+    // 13 Function Definition
+
+    function parseFunctionSourceElements() {
+        var sourceElement, sourceElements = [], token, directive, firstRestricted,
+            oldLabelSet, oldInIteration, oldInSwitch, oldInFunctionBody;
+
+        expect('{');
+
+        while (index < length) {
+            token = lookahead();
+            if (token.type !== Token.StringLiteral) {
+                break;
+            }
+
+            sourceElement = parseSourceElement();
+            sourceElements.push(sourceElement);
+            if (sourceElement.expression.type !== Syntax.Literal) {
+                // this is not directive
+                break;
+            }
+            directive = sliceSource(token.range[0] + 1, token.range[1] - 1);
+            if (directive === 'use strict') {
+                strict = true;
+                if (firstRestricted) {
+                    throwError(firstRestricted, Messages.StrictOctalLiteral);
+                }
+            } else {
+                if (!firstRestricted && token.octal) {
+                    firstRestricted = token;
+                }
+            }
+        }
+
+        oldLabelSet = state.labelSet;
+        oldInIteration = state.inIteration;
+        oldInSwitch = state.inSwitch;
+        oldInFunctionBody = state.inFunctionBody;
+
+        state.labelSet = {};
+        state.inIteration = false;
+        state.inSwitch = false;
+        state.inFunctionBody = true;
+
+        while (index < length) {
+            if (match('}')) {
+                break;
+            }
+            sourceElement = parseSourceElement();
+            if (typeof sourceElement === 'undefined') {
+                break;
+            }
+            sourceElements.push(sourceElement);
+        }
+
+        expect('}');
+
+        state.labelSet = oldLabelSet;
+        state.inIteration = oldInIteration;
+        state.inSwitch = oldInSwitch;
+        state.inFunctionBody = oldInFunctionBody;
+
+        return {
+            type: Syntax.BlockStatement,
+            body: sourceElements
+        };
+    }
+
+    function parseFunctionDeclaration() {
+        var id, param, params = [], body, token, firstRestricted, message, previousStrict, paramSet;
+
+        expectKeyword('function');
+        token = lookahead();
+        id = parseVariableIdentifier();
+        if (strict) {
+            if (isRestrictedWord(token.value)) {
+                throwError(token, Messages.StrictFunctionName);
+            }
+        } else {
+            if (isRestrictedWord(token.value)) {
+                firstRestricted = token;
+                message = Messages.StrictFunctionName;
+            } else if (isStrictModeReservedWord(token.value)) {
+                firstRestricted = token;
+                message = Messages.StrictReservedWord;
+            }
+        }
+
+        expect('(');
+
+        if (!match(')')) {
+            paramSet = {};
+            while (index < length) {
+                token = lookahead();
+                param = parseVariableIdentifier();
+                if (strict) {
+                    if (isRestrictedWord(token.value)) {
+                        throwError(token, Messages.StrictParamName);
+                    }
+                    if (Object.prototype.hasOwnProperty.call(paramSet, token.value)) {
+                        throwError(token, Messages.StrictParamDupe);
+                    }
+                } else if (!firstRestricted) {
+                    if (isRestrictedWord(token.value)) {
+                        firstRestricted = token;
+                        message = Messages.StrictParamName;
+                    } else if (isStrictModeReservedWord(token.value)) {
+                        firstRestricted = token;
+                        message = Messages.StrictReservedWord;
+                    } else if (Object.prototype.hasOwnProperty.call(paramSet, token.value)) {
+                        firstRestricted = token;
+                        message = Messages.StrictParamDupe;
+                    }
+                }
+                params.push(param);
+                paramSet[param.name] = true;
+                if (match(')')) {
+                    break;
+                }
+                expect(',');
+            }
+        }
+
+        expect(')');
+
+        previousStrict = strict;
+        body = parseFunctionSourceElements();
+        if (strict && firstRestricted) {
+            throwError(firstRestricted, message);
+        }
+        strict = previousStrict;
+
+        return {
+            type: Syntax.FunctionDeclaration,
+            id: id,
+            params: params,
+            body: body
+        };
+    }
+
+    function parseFunctionExpression() {
+        var token, id = null, firstRestricted, message, param, params = [], body, previousStrict, paramSet;
+
+        expectKeyword('function');
+
+        if (!match('(')) {
+            token = lookahead();
+            id = parseVariableIdentifier();
+            if (strict) {
+                if (isRestrictedWord(token.value)) {
+                    throwError(token, Messages.StrictFunctionName);
+                }
+            } else {
+                if (isRestrictedWord(token.value)) {
+                    firstRestricted = token;
+                    message = Messages.StrictFunctionName;
+                } else if (isStrictModeReservedWord(token.value)) {
+                    firstRestricted = token;
+                    message = Messages.StrictReservedWord;
+                }
+            }
+        }
+
+        expect('(');
+
+        if (!match(')')) {
+            paramSet = {};
+            while (index < length) {
+                token = lookahead();
+                param = parseVariableIdentifier();
+                if (strict) {
+                    if (isRestrictedWord(token.value)) {
+                        throwError(token, Messages.StrictParamName);
+                    }
+                    if (Object.prototype.hasOwnProperty.call(paramSet, token.value)) {
+                        throwError(token, Messages.StrictParamDupe);
+                    }
+                } else if (!firstRestricted) {
+                    if (isRestrictedWord(token.value)) {
+                        firstRestricted = token;
+                        message = Messages.StrictParamName;
+                    } else if (isStrictModeReservedWord(token.value)) {
+                        firstRestricted = token;
+                        message = Messages.StrictReservedWord;
+                    } else if (Object.prototype.hasOwnProperty.call(paramSet, token.value)) {
+                        firstRestricted = token;
+                        message = Messages.StrictParamDupe;
+                    }
+                }
+                params.push(param);
+                paramSet[param.name] = true;
+                if (match(')')) {
+                    break;
+                }
+                expect(',');
+            }
+        }
+
+        expect(')');
+
+        previousStrict = strict;
+        body = parseFunctionSourceElements();
+        if (strict && firstRestricted) {
+            throwError(firstRestricted, message);
+        }
+        strict = previousStrict;
+
+        return {
+            type: Syntax.FunctionExpression,
+            id: id,
+            params: params,
+            body: body
+        };
+    }
+
+    // 14 Program
+
+    function parseSourceElement() {
+        var token = lookahead();
+
+        if (token.type === Token.Keyword) {
+            switch (token.value) {
+            case 'const':
+            case 'let':
+                return parseConstLetDeclaration(token.value);
+            case 'function':
+                return parseFunctionDeclaration();
+            default:
+                return parseStatement();
+            }
+        }
+
+        if (token.type !== Token.EOF) {
+            return parseStatement();
+        }
+    }
+
+    function parseSourceElements() {
+        var sourceElement, sourceElements = [], token, directive, firstRestricted;
+
+        while (index < length) {
+            token = lookahead();
+            if (token.type !== Token.StringLiteral) {
+                break;
+            }
+
+            sourceElement = parseSourceElement();
+            sourceElements.push(sourceElement);
+            if (sourceElement.expression.type !== Syntax.Literal) {
+                // this is not directive
+                break;
+            }
+            directive = sliceSource(token.range[0] + 1, token.range[1] - 1);
+            if (directive === 'use strict') {
+                strict = true;
+                if (firstRestricted) {
+                    throwError(firstRestricted, Messages.StrictOctalLiteral);
+                }
+            } else {
+                if (!firstRestricted && token.octal) {
+                    firstRestricted = token;
+                }
+            }
+        }
+
+        while (index < length) {
+            sourceElement = parseSourceElement();
+            if (typeof sourceElement === 'undefined') {
+                break;
+            }
+            sourceElements.push(sourceElement);
+        }
+        return sourceElements;
+    }
+
+    function parseProgram() {
+        var program;
+        strict = false;
+        program = {
+            type: Syntax.Program,
+            body: parseSourceElements()
+        };
+        return program;
+    }
+
+    // The following functions are needed only when the option to preserve
+    // the comments is active.
+
+    function addComment(start, end, type, value) {
+        assert(typeof start === 'number', 'Comment must have valid position');
+
+        // Because the way the actual token is scanned, often the comments
+        // (if any) are skipped twice during the lexical analysis.
+        // Thus, we need to skip adding a comment if the comment array already
+        // handled it.
+        if (extra.comments.length > 0) {
+            if (extra.comments[extra.comments.length - 1].range[1] > start) {
+                return;
+            }
+        }
+
+        extra.comments.push({
+            range: [start, end],
+            type: type,
+            value: value
+        });
+    }
+
+    function scanComment() {
+        var comment, ch, start, blockComment, lineComment;
+
+        comment = '';
+        blockComment = false;
+        lineComment = false;
+
+        while (index < length) {
+            ch = source[index];
+
+            if (lineComment) {
+                ch = nextChar();
+                if (index >= length) {
+                    lineComment = false;
+                    comment += ch;
+                    addComment(start, index, 'Line', comment);
+                } else if (isLineTerminator(ch)) {
+                    lineComment = false;
+                    addComment(start, index, 'Line', comment);
+                    if (ch === '\r' && source[index] === '\n') {
+                        ++index;
+                    }
+                    ++lineNumber;
+                    lineStart = index;
+                    comment = '';
+                } else {
+                    comment += ch;
+                }
+            } else if (blockComment) {
+                if (isLineTerminator(ch)) {
+                    if (ch === '\r' && source[index + 1] === '\n') {
+                        ++index;
+                        comment += '\r\n';
+                    } else {
+                        comment += ch;
+                    }
+                    ++lineNumber;
+                    ++index;
+                    lineStart = index;
+                    if (index >= length) {
+                        throwError({}, Messages.UnexpectedToken, 'ILLEGAL');
+                    }
+                } else {
+                    ch = nextChar();
+                    if (index >= length) {
+                        throwError({}, Messages.UnexpectedToken, 'ILLEGAL');
+                    }
+                    comment += ch;
+                    if (ch === '*') {
+                        ch = source[index];
+                        if (ch === '/') {
+                            comment = comment.substr(0, comment.length - 1);
+                            blockComment = false;
+                            ++index;
+                            addComment(start, index, 'Block', comment);
+                            comment = '';
+                        }
+                    }
+                }
+            } else if (ch === '/') {
+                ch = source[index + 1];
+                if (ch === '/') {
+                    start = index;
+                    index += 2;
+                    lineComment = true;
+                } else if (ch === '*') {
+                    start = index;
+                    index += 2;
+                    blockComment = true;
+                    if (index >= length) {
+                        throwError({}, Messages.UnexpectedToken, 'ILLEGAL');
+                    }
+                } else {
+                    break;
+                }
+            } else if (isWhiteSpace(ch)) {
+                ++index;
+            } else if (isLineTerminator(ch)) {
+                ++index;
+                if (ch ===  '\r' && source[index] === '\n') {
+                    ++index;
+                }
+                ++lineNumber;
+                lineStart = index;
+            } else {
+                break;
+            }
+        }
+    }
+
+    function collectToken() {
+        var token = extra.advance(),
+            range,
+            value;
+
+        if (token.type !== Token.EOF) {
+            range = [token.range[0], token.range[1]];
+            value = sliceSource(token.range[0], token.range[1]);
+            extra.tokens.push({
+                type: TokenName[token.type],
+                value: value,
+                range: range
+            });
+        }
+
+        return token;
+    }
+
+    function collectRegex() {
+        var pos, regex, token;
+
+        skipComment();
+
+        pos = index;
+        regex = extra.scanRegExp();
+
+        // Pop the previous token, which is likely '/' or '/='
+        if (extra.tokens.length > 0) {
+            token = extra.tokens[extra.tokens.length - 1];
+            if (token.range[0] === pos && token.type === 'Punctuator') {
+                if (token.value === '/' || token.value === '/=') {
+                    extra.tokens.pop();
+                }
+            }
+        }
+
+        extra.tokens.push({
+            type: 'RegularExpression',
+            value: regex.literal,
+            range: [pos, index]
+        });
+
+        return regex;
+    }
+
+    function createLiteral(token) {
+        return {
+            type: Syntax.Literal,
+            value: token.value
+        };
+    }
+
+    function createRawLiteral(token) {
+        return {
+            type: Syntax.Literal,
+            value: token.value,
+            raw: sliceSource(token.range[0], token.range[1])
+        };
+    }
+
+    function wrapTrackingFunction(range, loc) {
+
+        return function (parseFunction) {
+
+            function isBinary(node) {
+                return node.type === Syntax.LogicalExpression ||
+                    node.type === Syntax.BinaryExpression;
+            }
+
+            function visit(node) {
+                if (isBinary(node.left)) {
+                    visit(node.left);
+                }
+                if (isBinary(node.right)) {
+                    visit(node.right);
+                }
+
+                if (range && typeof node.range === 'undefined') {
+                    node.range = [node.left.range[0], node.right.range[1]];
+                }
+                if (loc && typeof node.loc === 'undefined') {
+                    node.loc = {
+                        start: node.left.loc.start,
+                        end: node.right.loc.end
+                    };
+                }
+            }
+
+            return function () {
+                var node, rangeInfo, locInfo;
+
+                skipComment();
+                rangeInfo = [index, 0];
+                locInfo = {
+                    start: {
+                        line: lineNumber,
+                        column: index - lineStart
+                    }
+                };
+
+                node = parseFunction.apply(null, arguments);
+                if (typeof node !== 'undefined') {
+
+                    if (range) {
+                        rangeInfo[1] = index;
+                        node.range = rangeInfo;
+                    }
+
+                    if (loc) {
+                        locInfo.end = {
+                            line: lineNumber,
+                            column: index - lineStart
+                        };
+                        node.loc = locInfo;
+                    }
+
+                    if (isBinary(node)) {
+                        visit(node);
+                    }
+
+                    if (node.type === Syntax.MemberExpression) {
+                        if (typeof node.object.range !== 'undefined') {
+                            node.range[0] = node.object.range[0];
+                        }
+                        if (typeof node.object.loc !== 'undefined') {
+                            node.loc.start = node.object.loc.start;
+                        }
+                    }
+
+                    if (node.type === Syntax.CallExpression) {
+                        if (typeof node.callee.range !== 'undefined') {
+                            node.range[0] = node.callee.range[0];
+                        }
+                        if (typeof node.callee.loc !== 'undefined') {
+                            node.loc.start = node.callee.loc.start;
+                        }
+                    }
+                    return node;
+                }
+            };
+
+        };
+    }
+
+    function patch() {
+
+        var wrapTracking;
+
+        if (extra.comments) {
+            extra.skipComment = skipComment;
+            skipComment = scanComment;
+        }
+
+        if (extra.raw) {
+            extra.createLiteral = createLiteral;
+            createLiteral = createRawLiteral;
+        }
+
+        if (extra.range || extra.loc) {
+
+            wrapTracking = wrapTrackingFunction(extra.range, extra.loc);
+
+            extra.parseAdditiveExpression = parseAdditiveExpression;
+            extra.parseAssignmentExpression = parseAssignmentExpression;
+            extra.parseBitwiseANDExpression = parseBitwiseANDExpression;
+            extra.parseBitwiseORExpression = parseBitwiseORExpression;
+            extra.parseBitwiseXORExpression = parseBitwiseXORExpression;
+            extra.parseBlock = parseBlock;
+            extra.parseFunctionSourceElements = parseFunctionSourceElements;
+            extra.parseCallMember = parseCallMember;
+            extra.parseCatchClause = parseCatchClause;
+            extra.parseComputedMember = parseComputedMember;
+            extra.parseConditionalExpression = parseConditionalExpression;
+            extra.parseConstLetDeclaration = parseConstLetDeclaration;
+            extra.parseEqualityExpression = parseEqualityExpression;
+            extra.parseExpression = parseExpression;
+            extra.parseForVariableDeclaration = parseForVariableDeclaration;
+            extra.parseFunctionDeclaration = parseFunctionDeclaration;
+            extra.parseFunctionExpression = parseFunctionExpression;
+            extra.parseLogicalANDExpression = parseLogicalANDExpression;
+            extra.parseLogicalORExpression = parseLogicalORExpression;
+            extra.parseMultiplicativeExpression = parseMultiplicativeExpression;
+            extra.parseNewExpression = parseNewExpression;
+            extra.parseNonComputedMember = parseNonComputedMember;
+            extra.parseNonComputedProperty = parseNonComputedProperty;
+            extra.parseObjectProperty = parseObjectProperty;
+            extra.parseObjectPropertyKey = parseObjectPropertyKey;
+            extra.parsePostfixExpression = parsePostfixExpression;
+            extra.parsePrimaryExpression = parsePrimaryExpression;
+            extra.parseProgram = parseProgram;
+            extra.parsePropertyFunction = parsePropertyFunction;
+            extra.parseRelationalExpression = parseRelationalExpression;
+            extra.parseStatement = parseStatement;
+            extra.parseShiftExpression = parseShiftExpression;
+            extra.parseSwitchCase = parseSwitchCase;
+            extra.parseUnaryExpression = parseUnaryExpression;
+            extra.parseVariableDeclaration = parseVariableDeclaration;
+            extra.parseVariableIdentifier = parseVariableIdentifier;
+
+            parseAdditiveExpression = wrapTracking(extra.parseAdditiveExpression);
+            parseAssignmentExpression = wrapTracking(extra.parseAssignmentExpression);
+            parseBitwiseANDExpression = wrapTracking(extra.parseBitwiseANDExpression);
+            parseBitwiseORExpression = wrapTracking(extra.parseBitwiseORExpression);
+            parseBitwiseXORExpression = wrapTracking(extra.parseBitwiseXORExpression);
+            parseBlock = wrapTracking(extra.parseBlock);
+            parseFunctionSourceElements = wrapTracking(extra.parseFunctionSourceElements);
+            parseCallMember = wrapTracking(extra.parseCallMember);
+            parseCatchClause = wrapTracking(extra.parseCatchClause);
+            parseComputedMember = wrapTracking(extra.parseComputedMember);
+            parseConditionalExpression = wrapTracking(extra.parseConditionalExpression);
+            parseConstLetDeclaration = wrapTracking(extra.parseConstLetDeclaration);
+            parseEqualityExpression = wrapTracking(extra.parseEqualityExpression);
+            parseExpression = wrapTracking(extra.parseExpression);
+            parseForVariableDeclaration = wrapTracking(extra.parseForVariableDeclaration);
+            parseFunctionDeclaration = wrapTracking(extra.parseFunctionDeclaration);
+            parseFunctionExpression = wrapTracking(extra.parseFunctionExpression);
+            parseLogicalANDExpression = wrapTracking(extra.parseLogicalANDExpression);
+            parseLogicalORExpression = wrapTracking(extra.parseLogicalORExpression);
+            parseMultiplicativeExpression = wrapTracking(extra.parseMultiplicativeExpression);
+            parseNewExpression = wrapTracking(extra.parseNewExpression);
+            parseNonComputedMember = wrapTracking(extra.parseNonComputedMember);
+            parseNonComputedProperty = wrapTracking(extra.parseNonComputedProperty);
+            parseObjectProperty = wrapTracking(extra.parseObjectProperty);
+            parseObjectPropertyKey = wrapTracking(extra.parseObjectPropertyKey);
+            parsePostfixExpression = wrapTracking(extra.parsePostfixExpression);
+            parsePrimaryExpression = wrapTracking(extra.parsePrimaryExpression);
+            parseProgram = wrapTracking(extra.parseProgram);
+            parsePropertyFunction = wrapTracking(extra.parsePropertyFunction);
+            parseRelationalExpression = wrapTracking(extra.parseRelationalExpression);
+            parseStatement = wrapTracking(extra.parseStatement);
+            parseShiftExpression = wrapTracking(extra.parseShiftExpression);
+            parseSwitchCase = wrapTracking(extra.parseSwitchCase);
+            parseUnaryExpression = wrapTracking(extra.parseUnaryExpression);
+            parseVariableDeclaration = wrapTracking(extra.parseVariableDeclaration);
+            parseVariableIdentifier = wrapTracking(extra.parseVariableIdentifier);
+        }
+
+        if (typeof extra.tokens !== 'undefined') {
+            extra.advance = advance;
+            extra.scanRegExp = scanRegExp;
+
+            advance = collectToken;
+            scanRegExp = collectRegex;
+        }
+    }
+
+    function unpatch() {
+        if (typeof extra.skipComment === 'function') {
+            skipComment = extra.skipComment;
+        }
+
+        if (extra.raw) {
+            createLiteral = extra.createLiteral;
+        }
+
+        if (extra.range || extra.loc) {
+            parseAdditiveExpression = extra.parseAdditiveExpression;
+            parseAssignmentExpression = extra.parseAssignmentExpression;
+            parseBitwiseANDExpression = extra.parseBitwiseANDExpression;
+            parseBitwiseORExpression = extra.parseBitwiseORExpression;
+            parseBitwiseXORExpression = extra.parseBitwiseXORExpression;
+            parseBlock = extra.parseBlock;
+            parseFunctionSourceElements = extra.parseFunctionSourceElements;
+            parseCallMember = extra.parseCallMember;
+            parseCatchClause = extra.parseCatchClause;
+            parseComputedMember = extra.parseComputedMember;
+            parseConditionalExpression = extra.parseConditionalExpression;
+            parseConstLetDeclaration = extra.parseConstLetDeclaration;
+            parseEqualityExpression = extra.parseEqualityExpression;
+            parseExpression = extra.parseExpression;
+            parseForVariableDeclaration = extra.parseForVariableDeclaration;
+            parseFunctionDeclaration = extra.parseFunctionDeclaration;
+            parseFunctionExpression = extra.parseFunctionExpression;
+            parseLogicalANDExpression = extra.parseLogicalANDExpression;
+            parseLogicalORExpression = extra.parseLogicalORExpression;
+            parseMultiplicativeExpression = extra.parseMultiplicativeExpression;
+            parseNewExpression = extra.parseNewExpression;
+            parseNonComputedMember = extra.parseNonComputedMember;
+            parseNonComputedProperty = extra.parseNonComputedProperty;
+            parseObjectProperty = extra.parseObjectProperty;
+            parseObjectPropertyKey = extra.parseObjectPropertyKey;
+            parsePrimaryExpression = extra.parsePrimaryExpression;
+            parsePostfixExpression = extra.parsePostfixExpression;
+            parseProgram = extra.parseProgram;
+            parsePropertyFunction = extra.parsePropertyFunction;
+            parseRelationalExpression = extra.parseRelationalExpression;
+            parseStatement = extra.parseStatement;
+            parseShiftExpression = extra.parseShiftExpression;
+            parseSwitchCase = extra.parseSwitchCase;
+            parseUnaryExpression = extra.parseUnaryExpression;
+            parseVariableDeclaration = extra.parseVariableDeclaration;
+            parseVariableIdentifier = extra.parseVariableIdentifier;
+        }
+
+        if (typeof extra.scanRegExp === 'function') {
+            advance = extra.advance;
+            scanRegExp = extra.scanRegExp;
+        }
+    }
+
+    function stringToArray(str) {
+        var length = str.length,
+            result = [],
+            i;
+        for (i = 0; i < length; ++i) {
+            result[i] = str.charAt(i);
+        }
+        return result;
+    }
+
+    function parse(code, options) {
+        var program, toString;
+
+        toString = String;
+        if (typeof code !== 'string' && !(code instanceof String)) {
+            code = toString(code);
+        }
+
+        source = code;
+        index = 0;
+        lineNumber = (source.length > 0) ? 1 : 0;
+        lineStart = 0;
+        length = source.length;
+        buffer = null;
+        state = {
+            allowIn: true,
+            labelSet: {},
+            lastParenthesized: null,
+            inFunctionBody: false,
+            inIteration: false,
+            inSwitch: false
+        };
+
+        extra = {};
+        if (typeof options !== 'undefined') {
+            extra.range = (typeof options.range === 'boolean') && options.range;
+            extra.loc = (typeof options.loc === 'boolean') && options.loc;
+            extra.raw = (typeof options.raw === 'boolean') && options.raw;
+            if (typeof options.tokens === 'boolean' && options.tokens) {
+                extra.tokens = [];
+            }
+            if (typeof options.comment === 'boolean' && options.comment) {
+                extra.comments = [];
+            }
+            if (typeof options.tolerant === 'boolean' && options.tolerant) {
+                extra.errors = [];
+            }
+        }
+
+        if (length > 0) {
+            if (typeof source[0] === 'undefined') {
+                // Try first to convert to a string. This is good as fast path
+                // for old IE which understands string indexing for string
+                // literals only and not for string object.
+                if (code instanceof String) {
+                    source = code.valueOf();
+                }
+
+                // Force accessing the characters via an array.
+                if (typeof source[0] === 'undefined') {
+                    source = stringToArray(code);
+                }
+            }
+        }
+
+        patch();
+        try {
+            program = parseProgram();
+            if (typeof extra.comments !== 'undefined') {
+                program.comments = extra.comments;
+            }
+            if (typeof extra.tokens !== 'undefined') {
+                program.tokens = extra.tokens;
+            }
+            if (typeof extra.errors !== 'undefined') {
+                program.errors = extra.errors;
+            }
+        } catch (e) {
+            throw e;
+        } finally {
+            unpatch();
+            extra = {};
+        }
+
+        return program;
+    }
+
+    // Sync with package.json.
+    exports.version = '1.0.0-dev';
+
+    exports.parse = parse;
+
+    // Deep copy.
+    exports.Syntax = (function () {
+        var name, types = {};
+
+        if (typeof Object.create === 'function') {
+            types = Object.create(null);
+        }
+
+        for (name in Syntax) {
+            if (Syntax.hasOwnProperty(name)) {
+                types[name] = Syntax[name];
+            }
+        }
+
+        if (typeof Object.freeze === 'function') {
+            Object.freeze(types);
+        }
+
+        return types;
+    }());
+
+}(typeof exports === 'undefined' ? (esprima = {}) : exports));
+/* vim: set sw=4 ts=4 et tw=80 : */
+
+});define('uglifyjs/consolidator', ["require", "exports", "module", "./parse-js", "./process"], function(require, exports, module) {
+/**
+ * @preserve Copyright 2012 Robert Gust-Bardon <http://robert.gust-bardon.org/>.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ *     * Redistributions of source code must retain the above
+ *       copyright notice, this list of conditions and the following
+ *       disclaimer.
+ *
+ *     * Redistributions in binary form must reproduce the above
+ *       copyright notice, this list of conditions and the following
+ *       disclaimer in the documentation and/or other materials
+ *       provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDER "AS IS" AND ANY
+ * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY,
+ * OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+ * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
+ * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR
+ * TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF
+ * THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ */
+
+/**
+ * @fileoverview Enhances <a href="https://github.com/mishoo/UglifyJS/"
+ * >UglifyJS</a> with consolidation of null, Boolean, and String values.
+ * <p>Also known as aliasing, this feature has been deprecated in <a href=
+ * "http://closure-compiler.googlecode.com/">the Closure Compiler</a> since its
+ * initial release, where it is unavailable from the <abbr title=
+ * "command line interface">CLI</a>. The Closure Compiler allows one to log and
+ * influence this process. In contrast, this implementation does not introduce
+ * any variable declarations in global code and derives String values from
+ * identifier names used as property accessors.</p>
+ * <p>Consolidating literals may worsen the data compression ratio when an <a
+ * href="http://tools.ietf.org/html/rfc2616#section-3.5">encoding
+ * transformation</a> is applied. For instance, <a href=
+ * "http://code.jquery.com/jquery-1.7.1.js">jQuery 1.7.1</a> takes 248235 bytes.
+ * Building it with <a href="https://github.com/mishoo/UglifyJS/tarball/v1.2.5">
+ * UglifyJS v1.2.5</a> results in 93647 bytes (37.73% of the original) which are
+ * then compressed to 33154 bytes (13.36% of the original) using <a href=
+ * "http://linux.die.net/man/1/gzip">gzip(1)</a>. Building it with the same
+ * version of UglifyJS 1.2.5 patched with the implementation of consolidation
+ * results in 80784 bytes (a decrease of 12863 bytes, i.e. 13.74%, in comparison
+ * to the aforementioned 93647 bytes) which are then compressed to 34013 bytes
+ * (an increase of 859 bytes, i.e. 2.59%, in comparison to the aforementioned
+ * 33154 bytes).</p>
+ * <p>Written in <a href="http://es5.github.com/#x4.2.2">the strict variant</a>
+ * of <a href="http://es5.github.com/">ECMA-262 5.1 Edition</a>. Encoded in <a
+ * href="http://tools.ietf.org/html/rfc3629">UTF-8</a>. Follows <a href=
+ * "http://google-styleguide.googlecode.com/svn-history/r76/trunk/javascriptguide.xml"
+ * >Revision 2.28 of the Google JavaScript Style Guide</a> (except for the
+ * discouraged use of the {@code function} tag and the {@code namespace} tag).
+ * 100% typed for the <a href=
+ * "http://closure-compiler.googlecode.com/files/compiler-20120123.tar.gz"
+ * >Closure Compiler Version 1741</a>.</p>
+ * <p>Should you find this software useful, please consider <a href=
+ * "https://paypal.com/cgi-bin/webscr?cmd=_s-xclick&hosted_button_id=JZLW72X8FD4WG"
+ * >a donation</a>.</p>
+ * @author follow.me@RGustBardon (Robert Gust-Bardon)
+ * @supported Tested with:
+ *     <ul>
+ *     <li><a href="http://nodejs.org/dist/v0.6.10/">Node v0.6.10</a>,</li>
+ *     <li><a href="https://github.com/mishoo/UglifyJS/tarball/v1.2.5">UglifyJS
+ *       v1.2.5</a>.</li>
+ *     </ul>
+ */
+
+/*global console:false, exports:true, module:false, require:false */
+/*jshint sub:true */
+/**
+ * Consolidates null, Boolean, and String values found inside an <abbr title=
+ * "abstract syntax tree">AST</abbr>.
+ * @param {!TSyntacticCodeUnit} oAbstractSyntaxTree An array-like object
+ *     representing an <abbr title="abstract syntax tree">AST</abbr>.
+ * @return {!TSyntacticCodeUnit} An array-like object representing an <abbr
+ *     title="abstract syntax tree">AST</abbr> with its null, Boolean, and
+ *     String values consolidated.
+ */
+// TODO(user) Consolidation of mathematical values found in numeric literals.
+// TODO(user) Unconsolidation.
+// TODO(user) Consolidation of ECMA-262 6th Edition programs.
+// TODO(user) Rewrite in ECMA-262 6th Edition.
+exports['ast_consolidate'] = function(oAbstractSyntaxTree) {
+  'use strict';
+  /*jshint bitwise:true, curly:true, eqeqeq:true, forin:true, immed:true,
+        latedef:true, newcap:true, noarge:true, noempty:true, nonew:true,
+        onevar:true, plusplus:true, regexp:true, undef:true, strict:true,
+        sub:false, trailing:true */
+
+  var _,
+      /**
+       * A record consisting of data about one or more source elements.
+       * @constructor
+       * @nosideeffects
+       */
+      TSourceElementsData = function() {
+        /**
+         * The category of the elements.
+         * @type {number}
+         * @see ESourceElementCategories
+         */
+        this.nCategory = ESourceElementCategories.N_OTHER;
+        /**
+         * The number of occurrences (within the elements) of each primitive
+         * value that could be consolidated.
+         * @type {!Array.<!Object.<string, number>>}
+         */
+        this.aCount = [];
+        this.aCount[EPrimaryExpressionCategories.N_IDENTIFIER_NAMES] = {};
+        this.aCount[EPrimaryExpressionCategories.N_STRING_LITERALS] = {};
+        this.aCount[EPrimaryExpressionCategories.N_NULL_AND_BOOLEAN_LITERALS] =
+            {};
+        /**
+         * Identifier names found within the elements.
+         * @type {!Array.<string>}
+         */
+        this.aIdentifiers = [];
+        /**
+         * Prefixed representation Strings of each primitive value that could be
+         * consolidated within the elements.
+         * @type {!Array.<string>}
+         */
+        this.aPrimitiveValues = [];
+      },
+      /**
+       * A record consisting of data about a primitive value that could be
+       * consolidated.
+       * @constructor
+       * @nosideeffects
+       */
+      TPrimitiveValue = function() {
+        /**
+         * The difference in the number of terminal symbols between the original
+         * source text and the one with the primitive value consolidated. If the
+         * difference is positive, the primitive value is considered worthwhile.
+         * @type {number}
+         */
+        this.nSaving = 0;
+        /**
+         * An identifier name of the variable that will be declared and assigned
+         * the primitive value if the primitive value is consolidated.
+         * @type {string}
+         */
+        this.sName = '';
+      },
+      /**
+       * A record consisting of data on what to consolidate within the range of
+       * source elements that is currently being considered.
+       * @constructor
+       * @nosideeffects
+       */
+      TSolution = function() {
+        /**
+         * An object whose keys are prefixed representation Strings of each
+         * primitive value that could be consolidated within the elements and
+         * whose values are corresponding data about those primitive values.
+         * @type {!Object.<string, {nSaving: number, sName: string}>}
+         * @see TPrimitiveValue
+         */
+        this.oPrimitiveValues = {};
+        /**
+         * The difference in the number of terminal symbols between the original
+         * source text and the one with all the worthwhile primitive values
+         * consolidated.
+         * @type {number}
+         * @see TPrimitiveValue#nSaving
+         */
+        this.nSavings = 0;
+      },
+      /**
+       * The processor of <abbr title="abstract syntax tree">AST</abbr>s found
+       * in UglifyJS.
+       * @namespace
+       * @type {!TProcessor}
+       */
+      oProcessor = (/** @type {!TProcessor} */ require('./process')),
+      /**
+       * A record consisting of a number of constants that represent the
+       * difference in the number of terminal symbols between a source text with
+       * a modified syntactic code unit and the original one.
+       * @namespace
+       * @type {!Object.<string, number>}
+       */
+      oWeights = {
+        /**
+         * The difference in the number of punctuators required by the bracket
+         * notation and the dot notation.
+         * <p><code>'[]'.length - '.'.length</code></p>
+         * @const
+         * @type {number}
+         */
+        N_PROPERTY_ACCESSOR: 1,
+        /**
+         * The number of punctuators required by a variable declaration with an
+         * initialiser.
+         * <p><code>':'.length + ';'.length</code></p>
+         * @const
+         * @type {number}
+         */
+        N_VARIABLE_DECLARATION: 2,
+        /**
+         * The number of terminal symbols required to introduce a variable
+         * statement (excluding its variable declaration list).
+         * <p><code>'var '.length</code></p>
+         * @const
+         * @type {number}
+         */
+        N_VARIABLE_STATEMENT_AFFIXATION: 4,
+        /**
+         * The number of terminal symbols needed to enclose source elements
+         * within a function call with no argument values to a function with an
+         * empty parameter list.
+         * <p><code>'(function(){}());'.length</code></p>
+         * @const
+         * @type {number}
+         */
+        N_CLOSURE: 17
+      },
+      /**
+       * Categories of primary expressions from which primitive values that
+       * could be consolidated are derivable.
+       * @namespace
+       * @enum {number}
+       */
+      EPrimaryExpressionCategories = {
+        /**
+         * Identifier names used as property accessors.
+         * @type {number}
+         */
+        N_IDENTIFIER_NAMES: 0,
+        /**
+         * String literals.
+         * @type {number}
+         */
+        N_STRING_LITERALS: 1,
+        /**
+         * Null and Boolean literals.
+         * @type {number}
+         */
+        N_NULL_AND_BOOLEAN_LITERALS: 2
+      },
+      /**
+       * Prefixes of primitive values that could be consolidated.
+       * The String values of the prefixes must have same number of characters.
+       * The prefixes must not be used in any properties defined in any version
+       * of <a href=
+       * "http://www.ecma-international.org/publications/standards/Ecma-262.htm"
+       * >ECMA-262</a>.
+       * @namespace
+       * @enum {string}
+       */
+      EValuePrefixes = {
+        /**
+         * Identifies String values.
+         * @type {string}
+         */
+        S_STRING: '#S',
+        /**
+         * Identifies null and Boolean values.
+         * @type {string}
+         */
+        S_SYMBOLIC: '#O'
+      },
+      /**
+       * Categories of source elements in terms of their appropriateness of
+       * having their primitive values consolidated.
+       * @namespace
+       * @enum {number}
+       */
+      ESourceElementCategories = {
+        /**
+         * Identifies a source element that includes the <a href=
+         * "http://es5.github.com/#x12.10">{@code with}</a> statement.
+         * @type {number}
+         */
+        N_WITH: 0,
+        /**
+         * Identifies a source element that includes the <a href=
+         * "http://es5.github.com/#x15.1.2.1">{@code eval}</a> identifier name.
+         * @type {number}
+         */
+        N_EVAL: 1,
+        /**
+         * Identifies a source element that must be excluded from the process
+         * unless its whole scope is examined.
+         * @type {number}
+         */
+        N_EXCLUDABLE: 2,
+        /**
+         * Identifies source elements not posing any problems.
+         * @type {number}
+         */
+        N_OTHER: 3
+      },
+      /**
+       * The list of literals (other than the String ones) whose primitive
+       * values can be consolidated.
+       * @const
+       * @type {!Array.<string>}
+       */
+      A_OTHER_SUBSTITUTABLE_LITERALS = [
+        'null',   // The null literal.
+        'false',  // The Boolean literal {@code false}.
+        'true'    // The Boolean literal {@code true}.
+      ];
+
+  (/**
+    * Consolidates all worthwhile primitive values in a syntactic code unit.
+    * @param {!TSyntacticCodeUnit} oSyntacticCodeUnit An array-like object
+    *     representing the branch of the abstract syntax tree representing the
+    *     syntactic code unit along with its scope.
+    * @see TPrimitiveValue#nSaving
+    */
+   function fExamineSyntacticCodeUnit(oSyntacticCodeUnit) {
+     var _,
+         /**
+          * Indicates whether the syntactic code unit represents global code.
+          * @type {boolean}
+          */
+         bIsGlobal = 'toplevel' === oSyntacticCodeUnit[0],
+         /**
+          * Indicates whether the whole scope is being examined.
+          * @type {boolean}
+          */
+         bIsWhollyExaminable = !bIsGlobal,
+         /**
+          * An array-like object representing source elements that constitute a
+          * syntactic code unit.
+          * @type {!TSyntacticCodeUnit}
+          */
+         oSourceElements,
+         /**
+          * A record consisting of data about the source element that is
+          * currently being examined.
+          * @type {!TSourceElementsData}
+          */
+         oSourceElementData,
+         /**
+          * The scope of the syntactic code unit.
+          * @type {!TScope}
+          */
+         oScope,
+         /**
+          * An instance of an object that allows the traversal of an <abbr
+          * title="abstract syntax tree">AST</abbr>.
+          * @type {!TWalker}
+          */
+         oWalker,
+         /**
+          * An object encompassing collections of functions used during the
+          * traversal of an <abbr title="abstract syntax tree">AST</abbr>.
+          * @namespace
+          * @type {!Object.<string, !Object.<string, function(...[*])>>}
+          */
+         oWalkers = {
+           /**
+            * A collection of functions used during the surveyance of source
+            * elements.
+            * @namespace
+            * @type {!Object.<string, function(...[*])>}
+            */
+           oSurveySourceElement: {
+             /**#nocode+*/  // JsDoc Toolkit 2.4.0 hides some of the keys.
+             /**
+              * Classifies the source element as excludable if it does not
+              * contain a {@code with} statement or the {@code eval} identifier
+              * name. Adds the identifier of the function and its formal
+              * parameters to the list of identifier names found.
+              * @param {string} sIdentifier The identifier of the function.
+              * @param {!Array.<string>} aFormalParameterList Formal parameters.
+              * @param {!TSyntacticCodeUnit} oFunctionBody Function code.
+              */
+             'defun': function(
+                 sIdentifier,
+                 aFormalParameterList,
+                 oFunctionBody) {
+               fClassifyAsExcludable();
+               fAddIdentifier(sIdentifier);
+               aFormalParameterList.forEach(fAddIdentifier);
+             },
+             /**
+              * Increments the count of the number of occurrences of the String
+              * value that is equivalent to the sequence of terminal symbols
+              * that constitute the encountered identifier name.
+              * @param {!TSyntacticCodeUnit} oExpression The nonterminal
+              *     MemberExpression.
+              * @param {string} sIdentifierName The identifier name used as the
+              *     property accessor.
+              * @return {!Array} The encountered branch of an <abbr title=
+              *     "abstract syntax tree">AST</abbr> with its nonterminal
+              *     MemberExpression traversed.
+              */
+             'dot': function(oExpression, sIdentifierName) {
+               fCountPrimaryExpression(
+                   EPrimaryExpressionCategories.N_IDENTIFIER_NAMES,
+                   EValuePrefixes.S_STRING + sIdentifierName);
+               return ['dot', oWalker.walk(oExpression), sIdentifierName];
+             },
+             /**
+              * Adds the optional identifier of the function and its formal
+              * parameters to the list of identifier names found.
+              * @param {?string} sIdentifier The optional identifier of the
+              *     function.
+              * @param {!Array.<string>} aFormalParameterList Formal parameters.
+              * @param {!TSyntacticCodeUnit} oFunctionBody Function code.
+              */
+             'function': function(
+                 sIdentifier,
+                 aFormalParameterList,
+                 oFunctionBody) {
+               if ('string' === typeof sIdentifier) {
+                 fAddIdentifier(sIdentifier);
+               }
+               aFormalParameterList.forEach(fAddIdentifier);
+             },
+             /**
+              * Either increments the count of the number of occurrences of the
+              * encountered null or Boolean value or classifies a source element
+              * as containing the {@code eval} identifier name.
+              * @param {string} sIdentifier The identifier encountered.
+              */
+             'name': function(sIdentifier) {
+               if (-1 !== A_OTHER_SUBSTITUTABLE_LITERALS.indexOf(sIdentifier)) {
+                 fCountPrimaryExpression(
+                     EPrimaryExpressionCategories.N_NULL_AND_BOOLEAN_LITERALS,
+                     EValuePrefixes.S_SYMBOLIC + sIdentifier);
+               } else {
+                 if ('eval' === sIdentifier) {
+                   oSourceElementData.nCategory =
+                       ESourceElementCategories.N_EVAL;
+                 }
+                 fAddIdentifier(sIdentifier);
+               }
+             },
+             /**
+              * Classifies the source element as excludable if it does not
+              * contain a {@code with} statement or the {@code eval} identifier
+              * name.
+              * @param {TSyntacticCodeUnit} oExpression The expression whose
+              *     value is to be returned.
+              */
+             'return': function(oExpression) {
+               fClassifyAsExcludable();
+             },
+             /**
+              * Increments the count of the number of occurrences of the
+              * encountered String value.
+              * @param {string} sStringValue The String value of the string
+              *     literal encountered.
+              */
+             'string': function(sStringValue) {
+               if (sStringValue.length > 0) {
+                 fCountPrimaryExpression(
+                     EPrimaryExpressionCategories.N_STRING_LITERALS,
+                     EValuePrefixes.S_STRING + sStringValue);
+               }
+             },
+             /**
+              * Adds the identifier reserved for an exception to the list of
+              * identifier names found.
+              * @param {!TSyntacticCodeUnit} oTry A block of code in which an
+              *     exception can occur.
+              * @param {Array} aCatch The identifier reserved for an exception
+              *     and a block of code to handle the exception.
+              * @param {TSyntacticCodeUnit} oFinally An optional block of code
+              *     to be evaluated regardless of whether an exception occurs.
+              */
+             'try': function(oTry, aCatch, oFinally) {
+               if (Array.isArray(aCatch)) {
+                 fAddIdentifier(aCatch[0]);
+               }
+             },
+             /**
+              * Classifies the source element as excludable if it does not
+              * contain a {@code with} statement or the {@code eval} identifier
+              * name. Adds the identifier of each declared variable to the list
+              * of identifier names found.
+              * @param {!Array.<!Array>} aVariableDeclarationList Variable
+              *     declarations.
+              */
+             'var': function(aVariableDeclarationList) {
+               fClassifyAsExcludable();
+               aVariableDeclarationList.forEach(fAddVariable);
+             },
+             /**
+              * Classifies a source element as containing the {@code with}
+              * statement.
+              * @param {!TSyntacticCodeUnit} oExpression An expression whose
+              *     value is to be converted to a value of type Object and
+              *     become the binding object of a new object environment
+              *     record of a new lexical environment in which the statement
+              *     is to be executed.
+              * @param {!TSyntacticCodeUnit} oStatement The statement to be
+              *     executed in the augmented lexical environment.
+              * @return {!Array} An empty array to stop the traversal.
+              */
+             'with': function(oExpression, oStatement) {
+               oSourceElementData.nCategory = ESourceElementCategories.N_WITH;
+               return [];
+             }
+             /**#nocode-*/  // JsDoc Toolkit 2.4.0 hides some of the keys.
+           },
+           /**
+            * A collection of functions used while looking for nested functions.
+            * @namespace
+            * @type {!Object.<string, function(...[*])>}
+            */
+           oExamineFunctions: {
+             /**#nocode+*/  // JsDoc Toolkit 2.4.0 hides some of the keys.
+             /**
+              * Orders an examination of a nested function declaration.
+              * @this {!TSyntacticCodeUnit} An array-like object representing
+              *     the branch of an <abbr title="abstract syntax tree"
+              *     >AST</abbr> representing the syntactic code unit along with
+              *     its scope.
+              * @return {!Array} An empty array to stop the traversal.
+              */
+             'defun': function() {
+               fExamineSyntacticCodeUnit(this);
+               return [];
+             },
+             /**
+              * Orders an examination of a nested function expression.
+              * @this {!TSyntacticCodeUnit} An array-like object representing
+              *     the branch of an <abbr title="abstract syntax tree"
+              *     >AST</abbr> representing the syntactic code unit along with
+              *     its scope.
+              * @return {!Array} An empty array to stop the traversal.
+              */
+             'function': function() {
+               fExamineSyntacticCodeUnit(this);
+               return [];
+             }
+             /**#nocode-*/  // JsDoc Toolkit 2.4.0 hides some of the keys.
+           }
+         },
+         /**
+          * Records containing data about source elements.
+          * @type {Array.<TSourceElementsData>}
+          */
+         aSourceElementsData = [],
+         /**
+          * The index (in the source text order) of the source element
+          * immediately following a <a href="http://es5.github.com/#x14.1"
+          * >Directive Prologue</a>.
+          * @type {number}
+          */
+         nAfterDirectivePrologue = 0,
+         /**
+          * The index (in the source text order) of the source element that is
+          * currently being considered.
+          * @type {number}
+          */
+         nPosition,
+         /**
+          * The index (in the source text order) of the source element that is
+          * the last element of the range of source elements that is currently
+          * being considered.
+          * @type {(undefined|number)}
+          */
+         nTo,
+         /**
+          * Initiates the traversal of a source element.
+          * @param {!TWalker} oWalker An instance of an object that allows the
+          *     traversal of an abstract syntax tree.
+          * @param {!TSyntacticCodeUnit} oSourceElement A source element from
+          *     which the traversal should commence.
+          * @return {function(): !TSyntacticCodeUnit} A function that is able to
+          *     initiate the traversal from a given source element.
+          */
+         cContext = function(oWalker, oSourceElement) {
+           /**
+            * @return {!TSyntacticCodeUnit} A function that is able to
+            *     initiate the traversal from a given source element.
+            */
+           var fLambda = function() {
+             return oWalker.walk(oSourceElement);
+           };
+
+           return fLambda;
+         },
+         /**
+          * Classifies the source element as excludable if it does not
+          * contain a {@code with} statement or the {@code eval} identifier
+          * name.
+          */
+         fClassifyAsExcludable = function() {
+           if (oSourceElementData.nCategory ===
+               ESourceElementCategories.N_OTHER) {
+             oSourceElementData.nCategory =
+                 ESourceElementCategories.N_EXCLUDABLE;
+           }
+         },
+         /**
+          * Adds an identifier to the list of identifier names found.
+          * @param {string} sIdentifier The identifier to be added.
+          */
+         fAddIdentifier = function(sIdentifier) {
+           if (-1 === oSourceElementData.aIdentifiers.indexOf(sIdentifier)) {
+             oSourceElementData.aIdentifiers.push(sIdentifier);
+           }
+         },
+         /**
+          * Adds the identifier of a variable to the list of identifier names
+          * found.
+          * @param {!Array} aVariableDeclaration A variable declaration.
+          */
+         fAddVariable = function(aVariableDeclaration) {
+           fAddIdentifier(/** @type {string} */ aVariableDeclaration[0]);
+         },
+         /**
+          * Increments the count of the number of occurrences of the prefixed
+          * String representation attributed to the primary expression.
+          * @param {number} nCategory The category of the primary expression.
+          * @param {string} sName The prefixed String representation attributed
+          *     to the primary expression.
+          */
+         fCountPrimaryExpression = function(nCategory, sName) {
+           if (!oSourceElementData.aCount[nCategory].hasOwnProperty(sName)) {
+             oSourceElementData.aCount[nCategory][sName] = 0;
+             if (-1 === oSourceElementData.aPrimitiveValues.indexOf(sName)) {
+               oSourceElementData.aPrimitiveValues.push(sName);
+             }
+           }
+           oSourceElementData.aCount[nCategory][sName] += 1;
+         },
+         /**
+          * Consolidates all worthwhile primitive values in a range of source
+          *     elements.
+          * @param {number} nFrom The index (in the source text order) of the
+          *     source element that is the first element of the range.
+          * @param {number} nTo The index (in the source text order) of the
+          *     source element that is the last element of the range.
+          * @param {boolean} bEnclose Indicates whether the range should be
+          *     enclosed within a function call with no argument values to a
+          *     function with an empty parameter list if any primitive values
+          *     are consolidated.
+          * @see TPrimitiveValue#nSaving
+          */
+         fExamineSourceElements = function(nFrom, nTo, bEnclose) {
+           var _,
+               /**
+                * The index of the last mangled name.
+                * @type {number}
+                */
+               nIndex = oScope.cname,
+               /**
+                * The index of the source element that is currently being
+                * considered.
+                * @type {number}
+                */
+               nPosition,
+               /**
+                * A collection of functions used during the consolidation of
+                * primitive values and identifier names used as property
+                * accessors.
+                * @namespace
+                * @type {!Object.<string, function(...[*])>}
+                */
+               oWalkersTransformers = {
+                 /**
+                  * If the String value that is equivalent to the sequence of
+                  * terminal symbols that constitute the encountered identifier
+                  * name is worthwhile, a syntactic conversion from the dot
+                  * notation to the bracket notation ensues with that sequence
+                  * being substituted by an identifier name to which the value
+                  * is assigned.
+                  * Applies to property accessors that use the dot notation.
+                  * @param {!TSyntacticCodeUnit} oExpression The nonterminal
+                  *     MemberExpression.
+                  * @param {string} sIdentifierName The identifier name used as
+                  *     the property accessor.
+                  * @return {!Array} A syntactic code unit that is equivalent to
+                  *     the one encountered.
+                  * @see TPrimitiveValue#nSaving
+                  */
+                 'dot': function(oExpression, sIdentifierName) {
+                   /**
+                    * The prefixed String value that is equivalent to the
+                    * sequence of terminal symbols that constitute the
+                    * encountered identifier name.
+                    * @type {string}
+                    */
+                   var sPrefixed = EValuePrefixes.S_STRING + sIdentifierName;
+
+                   return oSolutionBest.oPrimitiveValues.hasOwnProperty(
+                       sPrefixed) &&
+                       oSolutionBest.oPrimitiveValues[sPrefixed].nSaving > 0 ?
+                       ['sub',
+                        oWalker.walk(oExpression),
+                        ['name',
+                         oSolutionBest.oPrimitiveValues[sPrefixed].sName]] :
+                       ['dot', oWalker.walk(oExpression), sIdentifierName];
+                 },
+                 /**
+                  * If the encountered identifier is a null or Boolean literal
+                  * and its value is worthwhile, the identifier is substituted
+                  * by an identifier name to which that value is assigned.
+                  * Applies to identifier names.
+                  * @param {string} sIdentifier The identifier encountered.
+                  * @return {!Array} A syntactic code unit that is equivalent to
+                  *     the one encountered.
+                  * @see TPrimitiveValue#nSaving
+                  */
+                 'name': function(sIdentifier) {
+                   /**
+                    * The prefixed representation String of the identifier.
+                    * @type {string}
+                    */
+                   var sPrefixed = EValuePrefixes.S_SYMBOLIC + sIdentifier;
+
+                   return [
+                     'name',
+                     oSolutionBest.oPrimitiveValues.hasOwnProperty(sPrefixed) &&
+                     oSolutionBest.oPrimitiveValues[sPrefixed].nSaving > 0 ?
+                     oSolutionBest.oPrimitiveValues[sPrefixed].sName :
+                     sIdentifier
+                   ];
+                 },
+                 /**
+                  * If the encountered String value is worthwhile, it is
+                  * substituted by an identifier name to which that value is
+                  * assigned.
+                  * Applies to String values.
+                  * @param {string} sStringValue The String value of the string
+                  *     literal encountered.
+                  * @return {!Array} A syntactic code unit that is equivalent to
+                  *     the one encountered.
+                  * @see TPrimitiveValue#nSaving
+                  */
+                 'string': function(sStringValue) {
+                   /**
+                    * The prefixed representation String of the primitive value
+                    * of the literal.
+                    * @type {string}
+                    */
+                   var sPrefixed =
+                       EValuePrefixes.S_STRING + sStringValue;
+
+                   return oSolutionBest.oPrimitiveValues.hasOwnProperty(
+                       sPrefixed) &&
+                       oSolutionBest.oPrimitiveValues[sPrefixed].nSaving > 0 ?
+                       ['name',
+                        oSolutionBest.oPrimitiveValues[sPrefixed].sName] :
+                       ['string', sStringValue];
+                 }
+               },
+               /**
+                * Such data on what to consolidate within the range of source
+                * elements that is currently being considered that lead to the
+                * greatest known reduction of the number of the terminal symbols
+                * in comparison to the original source text.
+                * @type {!TSolution}
+                */
+               oSolutionBest = new TSolution(),
+               /**
+                * Data representing an ongoing attempt to find a better
+                * reduction of the number of the terminal symbols in comparison
+                * to the original source text than the best one that is
+                * currently known.
+                * @type {!TSolution}
+                * @see oSolutionBest
+                */
+               oSolutionCandidate = new TSolution(),
+               /**
+                * A record consisting of data about the range of source elements
+                * that is currently being examined.
+                * @type {!TSourceElementsData}
+                */
+               oSourceElementsData = new TSourceElementsData(),
+               /**
+                * Variable declarations for each primitive value that is to be
+                * consolidated within the elements.
+                * @type {!Array.<!Array>}
+                */
+               aVariableDeclarations = [],
+               /**
+                * Augments a list with a prefixed representation String.
+                * @param {!Array.<string>} aList A list that is to be augmented.
+                * @return {function(string)} A function that augments a list
+                *     with a prefixed representation String.
+                */
+               cAugmentList = function(aList) {
+                 /**
+                  * @param {string} sPrefixed Prefixed representation String of
+                  *     a primitive value that could be consolidated within the
+                  *     elements.
+                  */
+                 var fLambda = function(sPrefixed) {
+                   if (-1 === aList.indexOf(sPrefixed)) {
+                     aList.push(sPrefixed);
+                   }
+                 };
+
+                 return fLambda;
+               },
+               /**
+                * Adds the number of occurrences of a primitive value of a given
+                * category that could be consolidated in the source element with
+                * a given index to the count of occurrences of that primitive
+                * value within the range of source elements that is currently
+                * being considered.
+                * @param {number} nPosition The index (in the source text order)
+                *     of a source element.
+                * @param {number} nCategory The category of the primary
+                *     expression from which the primitive value is derived.
+                * @return {function(string)} A function that performs the
+                *     addition.
+                * @see cAddOccurrencesInCategory
+                */
+               cAddOccurrences = function(nPosition, nCategory) {
+                 /**
+                  * @param {string} sPrefixed The prefixed representation String
+                  *     of a primitive value.
+                  */
+                 var fLambda = function(sPrefixed) {
+                   if (!oSourceElementsData.aCount[nCategory].hasOwnProperty(
+                           sPrefixed)) {
+                     oSourceElementsData.aCount[nCategory][sPrefixed] = 0;
+                   }
+                   oSourceElementsData.aCount[nCategory][sPrefixed] +=
+                       aSourceElementsData[nPosition].aCount[nCategory][
+                           sPrefixed];
+                 };
+
+                 return fLambda;
+               },
+               /**
+                * Adds the number of occurrences of each primitive value of a
+                * given category that could be consolidated in the source
+                * element with a given index to the count of occurrences of that
+                * primitive values within the range of source elements that is
+                * currently being considered.
+                * @param {number} nPosition The index (in the source text order)
+                *     of a source element.
+                * @return {function(number)} A function that performs the
+                *     addition.
+                * @see fAddOccurrences
+                */
+               cAddOccurrencesInCategory = function(nPosition) {
+                 /**
+                  * @param {number} nCategory The category of the primary
+                  *     expression from which the primitive value is derived.
+                  */
+                 var fLambda = function(nCategory) {
+                   Object.keys(
+                       aSourceElementsData[nPosition].aCount[nCategory]
+                   ).forEach(cAddOccurrences(nPosition, nCategory));
+                 };
+
+                 return fLambda;
+               },
+               /**
+                * Adds the number of occurrences of each primitive value that
+                * could be consolidated in the source element with a given index
+                * to the count of occurrences of that primitive values within
+                * the range of source elements that is currently being
+                * considered.
+                * @param {number} nPosition The index (in the source text order)
+                *     of a source element.
+                */
+               fAddOccurrences = function(nPosition) {
+                 Object.keys(aSourceElementsData[nPosition].aCount).forEach(
+                     cAddOccurrencesInCategory(nPosition));
+               },
+               /**
+                * Creates a variable declaration for a primitive value if that
+                * primitive value is to be consolidated within the elements.
+                * @param {string} sPrefixed Prefixed representation String of a
+                *     primitive value that could be consolidated within the
+                *     elements.
+                * @see aVariableDeclarations
+                */
+               cAugmentVariableDeclarations = function(sPrefixed) {
+                 if (oSolutionBest.oPrimitiveValues[sPrefixed].nSaving > 0) {
+                   aVariableDeclarations.push([
+                     oSolutionBest.oPrimitiveValues[sPrefixed].sName,
+                     [0 === sPrefixed.indexOf(EValuePrefixes.S_SYMBOLIC) ?
+                      'name' : 'string',
+                      sPrefixed.substring(EValuePrefixes.S_SYMBOLIC.length)]
+                   ]);
+                 }
+               },
+               /**
+                * Sorts primitive values with regard to the difference in the
+                * number of terminal symbols between the original source text
+                * and the one with those primitive values consolidated.
+                * @param {string} sPrefixed0 The prefixed representation String
+                *     of the first of the two primitive values that are being
+                *     compared.
+                * @param {string} sPrefixed1 The prefixed representation String
+                *     of the second of the two primitive values that are being
+                *     compared.
+                * @return {number}
+                *     <dl>
+                *         <dt>-1</dt>
+                *         <dd>if the first primitive value must be placed before
+                *              the other one,</dd>
+                *         <dt>0</dt>
+                *         <dd>if the first primitive value may be placed before
+                *              the other one,</dd>
+                *         <dt>1</dt>
+                *         <dd>if the first primitive value must not be placed
+                *              before the other one.</dd>
+                *     </dl>
+                * @see TSolution.oPrimitiveValues
+                */
+               cSortPrimitiveValues = function(sPrefixed0, sPrefixed1) {
+                 /**
+                  * The difference between:
+                  * <ol>
+                  * <li>the difference in the number of terminal symbols
+                  *     between the original source text and the one with the
+                  *     first primitive value consolidated, and</li>
+                  * <li>the difference in the number of terminal symbols
+                  *     between the original source text and the one with the
+                  *     second primitive value consolidated.</li>
+                  * </ol>
+                  * @type {number}
+                  */
+                 var nDifference =
+                     oSolutionCandidate.oPrimitiveValues[sPrefixed0].nSaving -
+                     oSolutionCandidate.oPrimitiveValues[sPrefixed1].nSaving;
+
+                 return nDifference > 0 ? -1 : nDifference < 0 ? 1 : 0;
+               },
+               /**
+                * Assigns an identifier name to a primitive value and calculates
+                * whether instances of that primitive value are worth
+                * consolidating.
+                * @param {string} sPrefixed The prefixed representation String
+                *     of a primitive value that is being evaluated.
+                */
+               fEvaluatePrimitiveValue = function(sPrefixed) {
+                 var _,
+                     /**
+                      * The index of the last mangled name.
+                      * @type {number}
+                      */
+                     nIndex,
+                     /**
+                      * The representation String of the primitive value that is
+                      * being evaluated.
+                      * @type {string}
+                      */
+                     sName =
+                         sPrefixed.substring(EValuePrefixes.S_SYMBOLIC.length),
+                     /**
+                      * The number of source characters taken up by the
+                      * representation String of the primitive value that is
+                      * being evaluated.
+                      * @type {number}
+                      */
+                     nLengthOriginal = sName.length,
+                     /**
+                      * The number of source characters taken up by the
+                      * identifier name that could substitute the primitive
+                      * value that is being evaluated.
+                      * substituted.
+                      * @type {number}
+                      */
+                     nLengthSubstitution,
+                     /**
+                      * The number of source characters taken up by by the
+                      * representation String of the primitive value that is
+                      * being evaluated when it is represented by a string
+                      * literal.
+                      * @type {number}
+                      */
+                     nLengthString = oProcessor.make_string(sName).length;
+
+                 oSolutionCandidate.oPrimitiveValues[sPrefixed] =
+                     new TPrimitiveValue();
+                 do {  // Find an identifier unused in this or any nested scope.
+                   nIndex = oScope.cname;
+                   oSolutionCandidate.oPrimitiveValues[sPrefixed].sName =
+                       oScope.next_mangled();
+                 } while (-1 !== oSourceElementsData.aIdentifiers.indexOf(
+                     oSolutionCandidate.oPrimitiveValues[sPrefixed].sName));
+                 nLengthSubstitution = oSolutionCandidate.oPrimitiveValues[
+                     sPrefixed].sName.length;
+                 if (0 === sPrefixed.indexOf(EValuePrefixes.S_SYMBOLIC)) {
+                   // foo:null, or foo:null;
+                   oSolutionCandidate.oPrimitiveValues[sPrefixed].nSaving -=
+                       nLengthSubstitution + nLengthOriginal +
+                       oWeights.N_VARIABLE_DECLARATION;
+                   // null vs foo
+                   oSolutionCandidate.oPrimitiveValues[sPrefixed].nSaving +=
+                       oSourceElementsData.aCount[
+                           EPrimaryExpressionCategories.
+                               N_NULL_AND_BOOLEAN_LITERALS][sPrefixed] *
+                       (nLengthOriginal - nLengthSubstitution);
+                 } else {
+                   // foo:'fromCharCode';
+                   oSolutionCandidate.oPrimitiveValues[sPrefixed].nSaving -=
+                       nLengthSubstitution + nLengthString +
+                       oWeights.N_VARIABLE_DECLARATION;
+                   // .fromCharCode vs [foo]
+                   if (oSourceElementsData.aCount[
+                           EPrimaryExpressionCategories.N_IDENTIFIER_NAMES
+                       ].hasOwnProperty(sPrefixed)) {
+                     oSolutionCandidate.oPrimitiveValues[sPrefixed].nSaving +=
+                         oSourceElementsData.aCount[
+                             EPrimaryExpressionCategories.N_IDENTIFIER_NAMES
+                         ][sPrefixed] *
+                         (nLengthOriginal - nLengthSubstitution -
+                          oWeights.N_PROPERTY_ACCESSOR);
+                   }
+                   // 'fromCharCode' vs foo
+                   if (oSourceElementsData.aCount[
+                           EPrimaryExpressionCategories.N_STRING_LITERALS
+                       ].hasOwnProperty(sPrefixed)) {
+                     oSolutionCandidate.oPrimitiveValues[sPrefixed].nSaving +=
+                         oSourceElementsData.aCount[
+                             EPrimaryExpressionCategories.N_STRING_LITERALS
+                         ][sPrefixed] *
+                         (nLengthString - nLengthSubstitution);
+                   }
+                 }
+                 if (oSolutionCandidate.oPrimitiveValues[sPrefixed].nSaving >
+                     0) {
+                   oSolutionCandidate.nSavings +=
+                       oSolutionCandidate.oPrimitiveValues[sPrefixed].nSaving;
+                 } else {
+                   oScope.cname = nIndex; // Free the identifier name.
+                 }
+               },
+               /**
+                * Adds a variable declaration to an existing variable statement.
+                * @param {!Array} aVariableDeclaration A variable declaration
+                *     with an initialiser.
+                */
+               cAddVariableDeclaration = function(aVariableDeclaration) {
+                 (/** @type {!Array} */ oSourceElements[nFrom][1]).unshift(
+                     aVariableDeclaration);
+               };
+
+           if (nFrom > nTo) {
+             return;
+           }
+           // If the range is a closure, reuse the closure.
+           if (nFrom === nTo &&
+               'stat' === oSourceElements[nFrom][0] &&
+               'call' === oSourceElements[nFrom][1][0] &&
+               'function' === oSourceElements[nFrom][1][1][0]) {
+             fExamineSyntacticCodeUnit(oSourceElements[nFrom][1][1]);
+             return;
+           }
+           // Create a list of all derived primitive values within the range.
+           for (nPosition = nFrom; nPosition <= nTo; nPosition += 1) {
+             aSourceElementsData[nPosition].aPrimitiveValues.forEach(
+                 cAugmentList(oSourceElementsData.aPrimitiveValues));
+           }
+           if (0 === oSourceElementsData.aPrimitiveValues.length) {
+             return;
+           }
+           for (nPosition = nFrom; nPosition <= nTo; nPosition += 1) {
+             // Add the number of occurrences to the total count.
+             fAddOccurrences(nPosition);
+             // Add identifiers of this or any nested scope to the list.
+             aSourceElementsData[nPosition].aIdentifiers.forEach(
+                 cAugmentList(oSourceElementsData.aIdentifiers));
+           }
+           // Distribute identifier names among derived primitive values.
+           do {  // If there was any progress, find a better distribution.
+             oSolutionBest = oSolutionCandidate;
+             if (Object.keys(oSolutionCandidate.oPrimitiveValues).length > 0) {
+               // Sort primitive values descending by their worthwhileness.
+               oSourceElementsData.aPrimitiveValues.sort(cSortPrimitiveValues);
+             }
+             oSolutionCandidate = new TSolution();
+             oSourceElementsData.aPrimitiveValues.forEach(
+                 fEvaluatePrimitiveValue);
+             oScope.cname = nIndex;
+           } while (oSolutionCandidate.nSavings > oSolutionBest.nSavings);
+           // Take the necessity of adding a variable statement into account.
+           if ('var' !== oSourceElements[nFrom][0]) {
+             oSolutionBest.nSavings -= oWeights.N_VARIABLE_STATEMENT_AFFIXATION;
+           }
+           if (bEnclose) {
+             // Take the necessity of forming a closure into account.
+             oSolutionBest.nSavings -= oWeights.N_CLOSURE;
+           }
+           if (oSolutionBest.nSavings > 0) {
+             // Create variable declarations suitable for UglifyJS.
+             Object.keys(oSolutionBest.oPrimitiveValues).forEach(
+                 cAugmentVariableDeclarations);
+             // Rewrite expressions that contain worthwhile primitive values.
+             for (nPosition = nFrom; nPosition <= nTo; nPosition += 1) {
+               oWalker = oProcessor.ast_walker();
+               oSourceElements[nPosition] =
+                   oWalker.with_walkers(
+                       oWalkersTransformers,
+                       cContext(oWalker, oSourceElements[nPosition]));
+             }
+             if ('var' === oSourceElements[nFrom][0]) {  // Reuse the statement.
+               (/** @type {!Array.<!Array>} */ aVariableDeclarations.reverse(
+                   )).forEach(cAddVariableDeclaration);
+             } else {  // Add a variable statement.
+               Array.prototype.splice.call(
+                   oSourceElements,
+                   nFrom,
+                   0,
+                   ['var', aVariableDeclarations]);
+               nTo += 1;
+             }
+             if (bEnclose) {
+               // Add a closure.
+               Array.prototype.splice.call(
+                   oSourceElements,
+                   nFrom,
+                   0,
+                   ['stat', ['call', ['function', null, [], []], []]]);
+               // Copy source elements into the closure.
+               for (nPosition = nTo + 1; nPosition > nFrom; nPosition -= 1) {
+                 Array.prototype.unshift.call(
+                     oSourceElements[nFrom][1][1][3],
+                     oSourceElements[nPosition]);
+               }
+               // Remove source elements outside the closure.
+               Array.prototype.splice.call(
+                   oSourceElements,
+                   nFrom + 1,
+                   nTo - nFrom + 1);
+             }
+           }
+           if (bEnclose) {
+             // Restore the availability of identifier names.
+             oScope.cname = nIndex;
+           }
+         };
+
+     oSourceElements = (/** @type {!TSyntacticCodeUnit} */
+         oSyntacticCodeUnit[bIsGlobal ? 1 : 3]);
+     if (0 === oSourceElements.length) {
+       return;
+     }
+     oScope = bIsGlobal ? oSyntacticCodeUnit.scope : oSourceElements.scope;
+     // Skip a Directive Prologue.
+     while (nAfterDirectivePrologue < oSourceElements.length &&
+            'directive' === oSourceElements[nAfterDirectivePrologue][0]) {
+       nAfterDirectivePrologue += 1;
+       aSourceElementsData.push(null);
+     }
+     if (oSourceElements.length === nAfterDirectivePrologue) {
+       return;
+     }
+     for (nPosition = nAfterDirectivePrologue;
+          nPosition < oSourceElements.length;
+          nPosition += 1) {
+       oSourceElementData = new TSourceElementsData();
+       oWalker = oProcessor.ast_walker();
+       // Classify a source element.
+       // Find its derived primitive values and count their occurrences.
+       // Find all identifiers used (including nested scopes).
+       oWalker.with_walkers(
+           oWalkers.oSurveySourceElement,
+           cContext(oWalker, oSourceElements[nPosition]));
+       // Establish whether the scope is still wholly examinable.
+       bIsWhollyExaminable = bIsWhollyExaminable &&
+           ESourceElementCategories.N_WITH !== oSourceElementData.nCategory &&
+           ESourceElementCategories.N_EVAL !== oSourceElementData.nCategory;
+       aSourceElementsData.push(oSourceElementData);
+     }
+     if (bIsWhollyExaminable) {  // Examine the whole scope.
+       fExamineSourceElements(
+           nAfterDirectivePrologue,
+           oSourceElements.length - 1,
+           false);
+     } else {  // Examine unexcluded ranges of source elements.
+       for (nPosition = oSourceElements.length - 1;
+            nPosition >= nAfterDirectivePrologue;
+            nPosition -= 1) {
+         oSourceElementData = (/** @type {!TSourceElementsData} */
+             aSourceElementsData[nPosition]);
+         if (ESourceElementCategories.N_OTHER ===
+             oSourceElementData.nCategory) {
+           if ('undefined' === typeof nTo) {
+             nTo = nPosition;  // Indicate the end of a range.
+           }
+           // Examine the range if it immediately follows a Directive Prologue.
+           if (nPosition === nAfterDirectivePrologue) {
+             fExamineSourceElements(nPosition, nTo, true);
+           }
+         } else {
+           if ('undefined' !== typeof nTo) {
+             // Examine the range that immediately follows this source element.
+             fExamineSourceElements(nPosition + 1, nTo, true);
+             nTo = void 0;  // Obliterate the range.
+           }
+           // Examine nested functions.
+           oWalker = oProcessor.ast_walker();
+           oWalker.with_walkers(
+               oWalkers.oExamineFunctions,
+               cContext(oWalker, oSourceElements[nPosition]));
+         }
+       }
+     }
+   }(oAbstractSyntaxTree = oProcessor.ast_add_scope(oAbstractSyntaxTree)));
+  return oAbstractSyntaxTree;
+};
+/*jshint sub:false */
+
+/* Local Variables:      */
+/* mode: js              */
+/* coding: utf-8         */
+/* indent-tabs-mode: nil */
+/* tab-width: 2          */
+/* End:                  */
+/* vim: set ft=javascript fenc=utf-8 et ts=2 sts=2 sw=2: */
+/* :mode=javascript:noTabs=true:tabSize=2:indentSize=2:deepIndent=true: */
+});
+define('uglifyjs/parse-js', ["exports"], function(exports) {
+/***********************************************************************
+
+  A JavaScript tokenizer / parser / beautifier / compressor.
+
+  This version is suitable for Node.js.  With minimal changes (the
+  exports stuff) it should work on any JS platform.
+
+  This file contains the tokenizer/parser.  It is a port to JavaScript
+  of parse-js [1], a JavaScript parser library written in Common Lisp
+  by Marijn Haverbeke.  Thank you Marijn!
+
+  [1] http://marijn.haverbeke.nl/parse-js/
+
+  Exported functions:
+
+    - tokenizer(code) -- returns a function.  Call the returned
+      function to fetch the next token.
+
+    - parse(code) -- returns an AST of the given JavaScript code.
+
+  -------------------------------- (C) ---------------------------------
+
+                           Author: Mihai Bazon
+                         <mihai.bazon@gmail.com>
+                       http://mihai.bazon.net/blog
+
+  Distributed under the BSD license:
+
+    Copyright 2010 (c) Mihai Bazon <mihai.bazon@gmail.com>
+    Based on parse-js (http://marijn.haverbeke.nl/parse-js/).
+
+    Redistribution and use in source and binary forms, with or without
+    modification, are permitted provided that the following conditions
+    are met:
+
+        * Redistributions of source code must retain the above
+          copyright notice, this list of conditions and the following
+          disclaimer.
+
+        * Redistributions in binary form must reproduce the above
+          copyright notice, this list of conditions and the following
+          disclaimer in the documentation and/or other materials
+          provided with the distribution.
+
+    THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDER “AS IS” AND ANY
+    EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+    IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+    PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER BE
+    LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY,
+    OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+    PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
+    PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+    THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR
+    TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF
+    THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+    SUCH DAMAGE.
+
+ ***********************************************************************/
+
+/* -----[ Tokenizer (constants) ]----- */
+
+var KEYWORDS = array_to_hash([
+    "break",
+    "case",
+    "catch",
+    "const",
+    "continue",
+    "debugger",
+    "default",
+    "delete",
+    "do",
+    "else",
+    "finally",
+    "for",
+    "function",
+    "if",
+    "in",
+    "instanceof",
+    "new",
+    "return",
+    "switch",
+    "throw",
+    "try",
+    "typeof",
+    "var",
+    "void",
+    "while",
+    "with"
+]);
+
+var RESERVED_WORDS = array_to_hash([
+    "abstract",
+    "boolean",
+    "byte",
+    "char",
+    "class",
+    "double",
+    "enum",
+    "export",
+    "extends",
+    "final",
+    "float",
+    "goto",
+    "implements",
+    "import",
+    "int",
+    "interface",
+    "long",
+    "native",
+    "package",
+    "private",
+    "protected",
+    "public",
+    "short",
+    "static",
+    "super",
+    "synchronized",
+    "throws",
+    "transient",
+    "volatile"
+]);
+
+var KEYWORDS_BEFORE_EXPRESSION = array_to_hash([
+    "return",
+    "new",
+    "delete",
+    "throw",
+    "else",
+    "case"
+]);
+
+var KEYWORDS_ATOM = array_to_hash([
+    "false",
+    "null",
+    "true",
+    "undefined"
+]);
+
+var OPERATOR_CHARS = array_to_hash(characters("+-*&%=<>!?|~^"));
+
+var RE_HEX_NUMBER = /^0x[0-9a-f]+$/i;
+var RE_OCT_NUMBER = /^0[0-7]+$/;
+var RE_DEC_NUMBER = /^\d*\.?\d*(?:e[+-]?\d*(?:\d\.?|\.?\d)\d*)?$/i;
+
+var OPERATORS = array_to_hash([
+    "in",
+    "instanceof",
+    "typeof",
+    "new",
+    "void",
+    "delete",
+    "++",
+    "--",
+    "+",
+    "-",
+    "!",
+    "~",
+    "&",
+    "|",
+    "^",
+    "*",
+    "/",
+    "%",
+    ">>",
+    "<<",
+    ">>>",
+    "<",
+    ">",
+    "<=",
+    ">=",
+    "==",
+    "===",
+    "!=",
+    "!==",
+    "?",
+    "=",
+    "+=",
+    "-=",
+    "/=",
+    "*=",
+    "%=",
+    ">>=",
+    "<<=",
+    ">>>=",
+    "|=",
+    "^=",
+    "&=",
+    "&&",
+    "||"
+]);
+
+var WHITESPACE_CHARS = array_to_hash(characters(" \u00a0\n\r\t\f\u000b\u200b\u180e\u2000\u2001\u2002\u2003\u2004\u2005\u2006\u2007\u2008\u2009\u200a\u202f\u205f\u3000\uFEFF"));
+
+var PUNC_BEFORE_EXPRESSION = array_to_hash(characters("[{(,.;:"));
+
+var PUNC_CHARS = array_to_hash(characters("[]{}(),;:"));
+
+var REGEXP_MODIFIERS = array_to_hash(characters("gmsiy"));
+
+/* -----[ Tokenizer ]----- */
+
+var UNICODE = {  // Unicode 6.1
+    letter: new RegExp("[\\u0041-\\u005A\\u0061-\\u007A\\u00AA\\u00B5\\u00BA\\u00C0-\\u00D6\\u00D8-\\u00F6\\u00F8-\\u02C1\\u02C6-\\u02D1\\u02E0-\\u02E4\\u02EC\\u02EE\\u0370-\\u0374\\u0376\\u0377\\u037A-\\u037D\\u0386\\u0388-\\u038A\\u038C\\u038E-\\u03A1\\u03A3-\\u03F5\\u03F7-\\u0481\\u048A-\\u0527\\u0531-\\u0556\\u0559\\u0561-\\u0587\\u05D0-\\u05EA\\u05F0-\\u05F2\\u0620-\\u064A\\u066E\\u066F\\u0671-\\u06D3\\u06D5\\u06E5\\u06E6\\u06EE\\u06EF\\u06FA-\\u06FC\\u06FF\\u0710\\u0712-\\u072F\\u074D-\\u07A5\\u07B1\\u07CA-\\u07EA\\u07F4\\u07F5\\u07FA\\u0800-\\u0815\\u081A\\u0824\\u0828\\u0840-\\u0858\\u08A0\\u08A2-\\u08AC\\u0904-\\u0939\\u093D\\u0950\\u0958-\\u0961\\u0971-\\u0977\\u0979-\\u097F\\u0985-\\u098C\\u098F\\u0990\\u0993-\\u09A8\\u09AA-\\u09B0\\u09B2\\u09B6-\\u09B9\\u09BD\\u09CE\\u09DC\\u09DD\\u09DF-\\u09E1\\u09F0\\u09F1\\u0A05-\\u0A0A\\u0A0F\\u0A10\\u0A13-\\u0A28\\u0A2A-\\u0A30\\u0A32\\u0A33\\u0A35\\u0A36\\u0A38\\u0A39\\u0A59-\\u0A5C\\u0A5E\\u0A72-\\u0A74\\u0A85-\\u0A8D\\u0A8F-\\u0A91\\u0A93-\\u0AA8\\u0AAA-\\u0AB0\\u0AB2\\u0AB3\\u0AB5-\\u0AB9\\u0ABD\\u0AD0\\u0AE0\\u0AE1\\u0B05-\\u0B0C\\u0B0F\\u0B10\\u0B13-\\u0B28\\u0B2A-\\u0B30\\u0B32\\u0B33\\u0B35-\\u0B39\\u0B3D\\u0B5C\\u0B5D\\u0B5F-\\u0B61\\u0B71\\u0B83\\u0B85-\\u0B8A\\u0B8E-\\u0B90\\u0B92-\\u0B95\\u0B99\\u0B9A\\u0B9C\\u0B9E\\u0B9F\\u0BA3\\u0BA4\\u0BA8-\\u0BAA\\u0BAE-\\u0BB9\\u0BD0\\u0C05-\\u0C0C\\u0C0E-\\u0C10\\u0C12-\\u0C28\\u0C2A-\\u0C33\\u0C35-\\u0C39\\u0C3D\\u0C58\\u0C59\\u0C60\\u0C61\\u0C85-\\u0C8C\\u0C8E-\\u0C90\\u0C92-\\u0CA8\\u0CAA-\\u0CB3\\u0CB5-\\u0CB9\\u0CBD\\u0CDE\\u0CE0\\u0CE1\\u0CF1\\u0CF2\\u0D05-\\u0D0C\\u0D0E-\\u0D10\\u0D12-\\u0D3A\\u0D3D\\u0D4E\\u0D60\\u0D61\\u0D7A-\\u0D7F\\u0D85-\\u0D96\\u0D9A-\\u0DB1\\u0DB3-\\u0DBB\\u0DBD\\u0DC0-\\u0DC6\\u0E01-\\u0E30\\u0E32\\u0E33\\u0E40-\\u0E46\\u0E81\\u0E82\\u0E84\\u0E87\\u0E88\\u0E8A\\u0E8D\\u0E94-\\u0E97\\u0E99-\\u0E9F\\u0EA1-\\u0EA3\\u0EA5\\u0EA7\\u0EAA\\u0EAB\\u0EAD-\\u0EB0\\u0EB2\\u0EB3\\u0EBD\\u0EC0-\\u0EC4\\u0EC6\\u0EDC-\\u0EDF\\u0F00\\u0F40-\\u0F47\\u0F49-\\u0F6C\\u0F88-\\u0F8C\\u1000-\\u102A\\u103F\\u1050-\\u1055\\u105A-\\u105D\\u1061\\u1065\\u1066\\u106E-\\u1070\\u1075-\\u1081\\u108E\\u10A0-\\u10C5\\u10C7\\u10CD\\u10D0-\\u10FA\\u10FC-\\u1248\\u124A-\\u124D\\u1250-\\u1256\\u1258\\u125A-\\u125D\\u1260-\\u1288\\u128A-\\u128D\\u1290-\\u12B0\\u12B2-\\u12B5\\u12B8-\\u12BE\\u12C0\\u12C2-\\u12C5\\u12C8-\\u12D6\\u12D8-\\u1310\\u1312-\\u1315\\u1318-\\u135A\\u1380-\\u138F\\u13A0-\\u13F4\\u1401-\\u166C\\u166F-\\u167F\\u1681-\\u169A\\u16A0-\\u16EA\\u16EE-\\u16F0\\u1700-\\u170C\\u170E-\\u1711\\u1720-\\u1731\\u1740-\\u1751\\u1760-\\u176C\\u176E-\\u1770\\u1780-\\u17B3\\u17D7\\u17DC\\u1820-\\u1877\\u1880-\\u18A8\\u18AA\\u18B0-\\u18F5\\u1900-\\u191C\\u1950-\\u196D\\u1970-\\u1974\\u1980-\\u19AB\\u19C1-\\u19C7\\u1A00-\\u1A16\\u1A20-\\u1A54\\u1AA7\\u1B05-\\u1B33\\u1B45-\\u1B4B\\u1B83-\\u1BA0\\u1BAE\\u1BAF\\u1BBA-\\u1BE5\\u1C00-\\u1C23\\u1C4D-\\u1C4F\\u1C5A-\\u1C7D\\u1CE9-\\u1CEC\\u1CEE-\\u1CF1\\u1CF5\\u1CF6\\u1D00-\\u1DBF\\u1E00-\\u1F15\\u1F18-\\u1F1D\\u1F20-\\u1F45\\u1F48-\\u1F4D\\u1F50-\\u1F57\\u1F59\\u1F5B\\u1F5D\\u1F5F-\\u1F7D\\u1F80-\\u1FB4\\u1FB6-\\u1FBC\\u1FBE\\u1FC2-\\u1FC4\\u1FC6-\\u1FCC\\u1FD0-\\u1FD3\\u1FD6-\\u1FDB\\u1FE0-\\u1FEC\\u1FF2-\\u1FF4\\u1FF6-\\u1FFC\\u2071\\u207F\\u2090-\\u209C\\u2102\\u2107\\u210A-\\u2113\\u2115\\u2119-\\u211D\\u2124\\u2126\\u2128\\u212A-\\u212D\\u212F-\\u2139\\u213C-\\u213F\\u2145-\\u2149\\u214E\\u2160-\\u2188\\u2C00-\\u2C2E\\u2C30-\\u2C5E\\u2C60-\\u2CE4\\u2CEB-\\u2CEE\\u2CF2\\u2CF3\\u2D00-\\u2D25\\u2D27\\u2D2D\\u2D30-\\u2D67\\u2D6F\\u2D80-\\u2D96\\u2DA0-\\u2DA6\\u2DA8-\\u2DAE\\u2DB0-\\u2DB6\\u2DB8-\\u2DBE\\u2DC0-\\u2DC6\\u2DC8-\\u2DCE\\u2DD0-\\u2DD6\\u2DD8-\\u2DDE\\u2E2F\\u3005-\\u3007\\u3021-\\u3029\\u3031-\\u3035\\u3038-\\u303C\\u3041-\\u3096\\u309D-\\u309F\\u30A1-\\u30FA\\u30FC-\\u30FF\\u3105-\\u312D\\u3131-\\u318E\\u31A0-\\u31BA\\u31F0-\\u31FF\\u3400-\\u4DB5\\u4E00-\\u9FCC\\uA000-\\uA48C\\uA4D0-\\uA4FD\\uA500-\\uA60C\\uA610-\\uA61F\\uA62A\\uA62B\\uA640-\\uA66E\\uA67F-\\uA697\\uA6A0-\\uA6EF\\uA717-\\uA71F\\uA722-\\uA788\\uA78B-\\uA78E\\uA790-\\uA793\\uA7A0-\\uA7AA\\uA7F8-\\uA801\\uA803-\\uA805\\uA807-\\uA80A\\uA80C-\\uA822\\uA840-\\uA873\\uA882-\\uA8B3\\uA8F2-\\uA8F7\\uA8FB\\uA90A-\\uA925\\uA930-\\uA946\\uA960-\\uA97C\\uA984-\\uA9B2\\uA9CF\\uAA00-\\uAA28\\uAA40-\\uAA42\\uAA44-\\uAA4B\\uAA60-\\uAA76\\uAA7A\\uAA80-\\uAAAF\\uAAB1\\uAAB5\\uAAB6\\uAAB9-\\uAABD\\uAAC0\\uAAC2\\uAADB-\\uAADD\\uAAE0-\\uAAEA\\uAAF2-\\uAAF4\\uAB01-\\uAB06\\uAB09-\\uAB0E\\uAB11-\\uAB16\\uAB20-\\uAB26\\uAB28-\\uAB2E\\uABC0-\\uABE2\\uAC00-\\uD7A3\\uD7B0-\\uD7C6\\uD7CB-\\uD7FB\\uF900-\\uFA6D\\uFA70-\\uFAD9\\uFB00-\\uFB06\\uFB13-\\uFB17\\uFB1D\\uFB1F-\\uFB28\\uFB2A-\\uFB36\\uFB38-\\uFB3C\\uFB3E\\uFB40\\uFB41\\uFB43\\uFB44\\uFB46-\\uFBB1\\uFBD3-\\uFD3D\\uFD50-\\uFD8F\\uFD92-\\uFDC7\\uFDF0-\\uFDFB\\uFE70-\\uFE74\\uFE76-\\uFEFC\\uFF21-\\uFF3A\\uFF41-\\uFF5A\\uFF66-\\uFFBE\\uFFC2-\\uFFC7\\uFFCA-\\uFFCF\\uFFD2-\\uFFD7\\uFFDA-\\uFFDC]"),
+    combining_mark: new RegExp("[\\u0300-\\u036F\\u0483-\\u0487\\u0591-\\u05BD\\u05BF\\u05C1\\u05C2\\u05C4\\u05C5\\u05C7\\u0610-\\u061A\\u064B-\\u065F\\u0670\\u06D6-\\u06DC\\u06DF-\\u06E4\\u06E7\\u06E8\\u06EA-\\u06ED\\u0711\\u0730-\\u074A\\u07A6-\\u07B0\\u07EB-\\u07F3\\u0816-\\u0819\\u081B-\\u0823\\u0825-\\u0827\\u0829-\\u082D\\u0859-\\u085B\\u08E4-\\u08FE\\u0900-\\u0903\\u093A-\\u093C\\u093E-\\u094F\\u0951-\\u0957\\u0962\\u0963\\u0981-\\u0983\\u09BC\\u09BE-\\u09C4\\u09C7\\u09C8\\u09CB-\\u09CD\\u09D7\\u09E2\\u09E3\\u0A01-\\u0A03\\u0A3C\\u0A3E-\\u0A42\\u0A47\\u0A48\\u0A4B-\\u0A4D\\u0A51\\u0A70\\u0A71\\u0A75\\u0A81-\\u0A83\\u0ABC\\u0ABE-\\u0AC5\\u0AC7-\\u0AC9\\u0ACB-\\u0ACD\\u0AE2\\u0AE3\\u0B01-\\u0B03\\u0B3C\\u0B3E-\\u0B44\\u0B47\\u0B48\\u0B4B-\\u0B4D\\u0B56\\u0B57\\u0B62\\u0B63\\u0B82\\u0BBE-\\u0BC2\\u0BC6-\\u0BC8\\u0BCA-\\u0BCD\\u0BD7\\u0C01-\\u0C03\\u0C3E-\\u0C44\\u0C46-\\u0C48\\u0C4A-\\u0C4D\\u0C55\\u0C56\\u0C62\\u0C63\\u0C82\\u0C83\\u0CBC\\u0CBE-\\u0CC4\\u0CC6-\\u0CC8\\u0CCA-\\u0CCD\\u0CD5\\u0CD6\\u0CE2\\u0CE3\\u0D02\\u0D03\\u0D3E-\\u0D44\\u0D46-\\u0D48\\u0D4A-\\u0D4D\\u0D57\\u0D62\\u0D63\\u0D82\\u0D83\\u0DCA\\u0DCF-\\u0DD4\\u0DD6\\u0DD8-\\u0DDF\\u0DF2\\u0DF3\\u0E31\\u0E34-\\u0E3A\\u0E47-\\u0E4E\\u0EB1\\u0EB4-\\u0EB9\\u0EBB\\u0EBC\\u0EC8-\\u0ECD\\u0F18\\u0F19\\u0F35\\u0F37\\u0F39\\u0F3E\\u0F3F\\u0F71-\\u0F84\\u0F86\\u0F87\\u0F8D-\\u0F97\\u0F99-\\u0FBC\\u0FC6\\u102B-\\u103E\\u1056-\\u1059\\u105E-\\u1060\\u1062-\\u1064\\u1067-\\u106D\\u1071-\\u1074\\u1082-\\u108D\\u108F\\u109A-\\u109D\\u135D-\\u135F\\u1712-\\u1714\\u1732-\\u1734\\u1752\\u1753\\u1772\\u1773\\u17B4-\\u17D3\\u17DD\\u180B-\\u180D\\u18A9\\u1920-\\u192B\\u1930-\\u193B\\u19B0-\\u19C0\\u19C8\\u19C9\\u1A17-\\u1A1B\\u1A55-\\u1A5E\\u1A60-\\u1A7C\\u1A7F\\u1B00-\\u1B04\\u1B34-\\u1B44\\u1B6B-\\u1B73\\u1B80-\\u1B82\\u1BA1-\\u1BAD\\u1BE6-\\u1BF3\\u1C24-\\u1C37\\u1CD0-\\u1CD2\\u1CD4-\\u1CE8\\u1CED\\u1CF2-\\u1CF4\\u1DC0-\\u1DE6\\u1DFC-\\u1DFF\\u20D0-\\u20DC\\u20E1\\u20E5-\\u20F0\\u2CEF-\\u2CF1\\u2D7F\\u2DE0-\\u2DFF\\u302A-\\u302F\\u3099\\u309A\\uA66F\\uA674-\\uA67D\\uA69F\\uA6F0\\uA6F1\\uA802\\uA806\\uA80B\\uA823-\\uA827\\uA880\\uA881\\uA8B4-\\uA8C4\\uA8E0-\\uA8F1\\uA926-\\uA92D\\uA947-\\uA953\\uA980-\\uA983\\uA9B3-\\uA9C0\\uAA29-\\uAA36\\uAA43\\uAA4C\\uAA4D\\uAA7B\\uAAB0\\uAAB2-\\uAAB4\\uAAB7\\uAAB8\\uAABE\\uAABF\\uAAC1\\uAAEB-\\uAAEF\\uAAF5\\uAAF6\\uABE3-\\uABEA\\uABEC\\uABED\\uFB1E\\uFE00-\\uFE0F\\uFE20-\\uFE26]"),
+    connector_punctuation: new RegExp("[\\u005F\\u203F\\u2040\\u2054\\uFE33\\uFE34\\uFE4D-\\uFE4F\\uFF3F]"),
+    digit: new RegExp("[\\u0030-\\u0039\\u0660-\\u0669\\u06F0-\\u06F9\\u07C0-\\u07C9\\u0966-\\u096F\\u09E6-\\u09EF\\u0A66-\\u0A6F\\u0AE6-\\u0AEF\\u0B66-\\u0B6F\\u0BE6-\\u0BEF\\u0C66-\\u0C6F\\u0CE6-\\u0CEF\\u0D66-\\u0D6F\\u0E50-\\u0E59\\u0ED0-\\u0ED9\\u0F20-\\u0F29\\u1040-\\u1049\\u1090-\\u1099\\u17E0-\\u17E9\\u1810-\\u1819\\u1946-\\u194F\\u19D0-\\u19D9\\u1A80-\\u1A89\\u1A90-\\u1A99\\u1B50-\\u1B59\\u1BB0-\\u1BB9\\u1C40-\\u1C49\\u1C50-\\u1C59\\uA620-\\uA629\\uA8D0-\\uA8D9\\uA900-\\uA909\\uA9D0-\\uA9D9\\uAA50-\\uAA59\\uABF0-\\uABF9\\uFF10-\\uFF19]")
+};
+
+function is_letter(ch) {
+    return UNICODE.letter.test(ch);
+};
+
+function is_digit(ch) {
+    ch = ch.charCodeAt(0);
+    return ch >= 48 && ch <= 57;
+};
+
+function is_unicode_digit(ch) {
+    return UNICODE.digit.test(ch);
+}
+
+function is_alphanumeric_char(ch) {
+    return is_digit(ch) || is_letter(ch);
+};
+
+function is_unicode_combining_mark(ch) {
+    return UNICODE.combining_mark.test(ch);
+};
+
+function is_unicode_connector_punctuation(ch) {
+    return UNICODE.connector_punctuation.test(ch);
+};
+
+function is_identifier_start(ch) {
+    return ch == "$" || ch == "_" || is_letter(ch);
+};
+
+function is_identifier_char(ch) {
+    return is_identifier_start(ch)
+        || is_unicode_combining_mark(ch)
+        || is_unicode_digit(ch)
+        || is_unicode_connector_punctuation(ch)
+        || ch == "\u200c" // zero-width non-joiner <ZWNJ>
+        || ch == "\u200d" // zero-width joiner <ZWJ> (in my ECMA-262 PDF, this is also 200c)
+    ;
+};
+
+function parse_js_number(num) {
+    if (RE_HEX_NUMBER.test(num)) {
+        return parseInt(num.substr(2), 16);
+    } else if (RE_OCT_NUMBER.test(num)) {
+        return parseInt(num.substr(1), 8);
+    } else if (RE_DEC_NUMBER.test(num)) {
+        return parseFloat(num);
+    }
+};
+
+function JS_Parse_Error(message, line, col, pos) {
+    this.message = message;
+    this.line = line + 1;
+    this.col = col + 1;
+    this.pos = pos + 1;
+    this.stack = new Error().stack;
+};
+
+JS_Parse_Error.prototype.toString = function() {
+    return this.message + " (line: " + this.line + ", col: " + this.col + ", pos: " + this.pos + ")" + "\n\n" + this.stack;
+};
+
+function js_error(message, line, col, pos) {
+    throw new JS_Parse_Error(message, line, col, pos);
+};
+
+function is_token(token, type, val) {
+    return token.type == type && (val == null || token.value == val);
+};
+
+var EX_EOF = {};
+
+function tokenizer($TEXT) {
+
+    var S = {
+        text            : $TEXT.replace(/\r\n?|[\n\u2028\u2029]/g, "\n").replace(/^\uFEFF/, ''),
+        pos             : 0,
+        tokpos          : 0,
+        line            : 0,
+        tokline         : 0,
+        col             : 0,
+        tokcol          : 0,
+        newline_before  : false,
+        regex_allowed   : false,
+        comments_before : []
+    };
+
+    function peek() { return S.text.charAt(S.pos); };
+
+    function next(signal_eof, in_string) {
+        var ch = S.text.charAt(S.pos++);
+        if (signal_eof && !ch)
+            throw EX_EOF;
+        if (ch == "\n") {
+            S.newline_before = S.newline_before || !in_string;
+            ++S.line;
+            S.col = 0;
+        } else {
+            ++S.col;
+        }
+        return ch;
+    };
+
+    function eof() {
+        return !S.peek();
+    };
+
+    function find(what, signal_eof) {
+        var pos = S.text.indexOf(what, S.pos);
+        if (signal_eof && pos == -1) throw EX_EOF;
+        return pos;
+    };
+
+    function start_token() {
+        S.tokline = S.line;
+        S.tokcol = S.col;
+        S.tokpos = S.pos;
+    };
+
+    function token(type, value, is_comment) {
+        S.regex_allowed = ((type == "operator" && !HOP(UNARY_POSTFIX, value)) ||
+                           (type == "keyword" && HOP(KEYWORDS_BEFORE_EXPRESSION, value)) ||
+                           (type == "punc" && HOP(PUNC_BEFORE_EXPRESSION, value)));
+        var ret = {
+            type   : type,
+            value  : value,
+            line   : S.tokline,
+            col    : S.tokcol,
+            pos    : S.tokpos,
+            endpos : S.pos,
+            nlb    : S.newline_before
+        };
+        if (!is_comment) {
+            ret.comments_before = S.comments_before;
+            S.comments_before = [];
+            // make note of any newlines in the comments that came before
+            for (var i = 0, len = ret.comments_before.length; i < len; i++) {
+                ret.nlb = ret.nlb || ret.comments_before[i].nlb;
+            }
+        }
+        S.newline_before = false;
+        return ret;
+    };
+
+    function skip_whitespace() {
+        while (HOP(WHITESPACE_CHARS, peek()))
+            next();
+    };
+
+    function read_while(pred) {
+        var ret = "", ch = peek(), i = 0;
+        while (ch && pred(ch, i++)) {
+            ret += next();
+            ch = peek();
+        }
+        return ret;
+    };
+
+    function parse_error(err) {
+        js_error(err, S.tokline, S.tokcol, S.tokpos);
+    };
+
+    function read_num(prefix) {
+        var has_e = false, after_e = false, has_x = false, has_dot = prefix == ".";
+        var num = read_while(function(ch, i){
+            if (ch == "x" || ch == "X") {
+                if (has_x) return false;
+                return has_x = true;
+            }
+            if (!has_x && (ch == "E" || ch == "e")) {
+                if (has_e) return false;
+                return has_e = after_e = true;
+            }
+            if (ch == "-") {
+                if (after_e || (i == 0 && !prefix)) return true;
+                return false;
+            }
+            if (ch == "+") return after_e;
+            after_e = false;
+            if (ch == ".") {
+                if (!has_dot && !has_x && !has_e)
+                    return has_dot = true;
+                return false;
+            }
+            return is_alphanumeric_char(ch);
+        });
+        if (prefix)
+            num = prefix + num;
+        var valid = parse_js_number(num);
+        if (!isNaN(valid)) {
+            return token("num", valid);
+        } else {
+            parse_error("Invalid syntax: " + num);
+        }
+    };
+
+    function read_escaped_char(in_string) {
+        var ch = next(true, in_string);
+        switch (ch) {
+          case "n" : return "\n";
+          case "r" : return "\r";
+          case "t" : return "\t";
+          case "b" : return "\b";
+          case "v" : return "\u000b";
+          case "f" : return "\f";
+          case "0" : return "\0";
+          case "x" : return String.fromCharCode(hex_bytes(2));
+          case "u" : return String.fromCharCode(hex_bytes(4));
+          case "\n": return "";
+          default  : return ch;
+        }
+    };
+
+    function hex_bytes(n) {
+        var num = 0;
+        for (; n > 0; --n) {
+            var digit = parseInt(next(true), 16);
+            if (isNaN(digit))
+                parse_error("Invalid hex-character pattern in string");
+            num = (num << 4) | digit;
+        }
+        return num;
+    };
+
+    function read_string() {
+        return with_eof_error("Unterminated string constant", function(){
+            var quote = next(), ret = "";
+            for (;;) {
+                var ch = next(true);
+                if (ch == "\\") {
+                    // read OctalEscapeSequence (XXX: deprecated if "strict mode")
+                    // https://github.com/mishoo/UglifyJS/issues/178
+                    var octal_len = 0, first = null;
+                    ch = read_while(function(ch){
+                        if (ch >= "0" && ch <= "7") {
+                            if (!first) {
+                                first = ch;
+                                return ++octal_len;
+                            }
+                            else if (first <= "3" && octal_len <= 2) return ++octal_len;
+                            else if (first >= "4" && octal_len <= 1) return ++octal_len;
+                        }
+                        return false;
+                    });
+                    if (octal_len > 0) ch = String.fromCharCode(parseInt(ch, 8));
+                    else ch = read_escaped_char(true);
+                }
+                else if (ch == quote) break;
+                else if (ch == "\n") throw EX_EOF;
+                ret += ch;
+            }
+            return token("string", ret);
+        });
+    };
+
+    function read_line_comment() {
+        next();
+        var i = find("\n"), ret;
+        if (i == -1) {
+            ret = S.text.substr(S.pos);
+            S.pos = S.text.length;
+        } else {
+            ret = S.text.substring(S.pos, i);
+            S.pos = i;
+        }
+        return token("comment1", ret, true);
+    };
+
+    function read_multiline_comment() {
+        next();
+        return with_eof_error("Unterminated multiline comment", function(){
+            var i = find("*/", true),
+            text = S.text.substring(S.pos, i);
+            S.pos = i + 2;
+            S.line += text.split("\n").length - 1;
+            S.newline_before = S.newline_before || text.indexOf("\n") >= 0;
+
+            // https://github.com/mishoo/UglifyJS/issues/#issue/100
+            if (/^@cc_on/i.test(text)) {
+                warn("WARNING: at line " + S.line);
+                warn("*** Found \"conditional comment\": " + text);
+                warn("*** UglifyJS DISCARDS ALL COMMENTS.  This means your code might no longer work properly in Internet Explorer.");
+            }
+
+            return token("comment2", text, true);
+        });
+    };
+
+    function read_name() {
+        var backslash = false, name = "", ch, escaped = false, hex;
+        while ((ch = peek()) != null) {
+            if (!backslash) {
+                if (ch == "\\") escaped = backslash = true, next();
+                else if (is_identifier_char(ch)) name += next();
+                else break;
+            }
+            else {
+                if (ch != "u") parse_error("Expecting UnicodeEscapeSequence -- uXXXX");
+                ch = read_escaped_char();
+                if (!is_identifier_char(ch)) parse_error("Unicode char: " + ch.charCodeAt(0) + " is not valid in identifier");
+                name += ch;
+                backslash = false;
+            }
+        }
+        if (HOP(KEYWORDS, name) && escaped) {
+            hex = name.charCodeAt(0).toString(16).toUpperCase();
+            name = "\\u" + "0000".substr(hex.length) + hex + name.slice(1);
+        }
+        return name;
+    };
+
+    function read_regexp(regexp) {
+        return with_eof_error("Unterminated regular expression", function(){
+            var prev_backslash = false, ch, in_class = false;
+            while ((ch = next(true))) if (prev_backslash) {
+                regexp += "\\" + ch;
+                prev_backslash = false;
+            } else if (ch == "[") {
+                in_class = true;
+                regexp += ch;
+            } else if (ch == "]" && in_class) {
+                in_class = false;
+                regexp += ch;
+            } else if (ch == "/" && !in_class) {
+                break;
+            } else if (ch == "\\") {
+                prev_backslash = true;
+            } else {
+                regexp += ch;
+            }
+            var mods = read_name();
+            return token("regexp", [ regexp, mods ]);
+        });
+    };
+
+    function read_operator(prefix) {
+        function grow(op) {
+            if (!peek()) return op;
+            var bigger = op + peek();
+            if (HOP(OPERATORS, bigger)) {
+                next();
+                return grow(bigger);
+            } else {
+                return op;
+            }
+        };
+        return token("operator", grow(prefix || next()));
+    };
+
+    function handle_slash() {
+        next();
+        var regex_allowed = S.regex_allowed;
+        switch (peek()) {
+          case "/":
+            S.comments_before.push(read_line_comment());
+            S.regex_allowed = regex_allowed;
+            return next_token();
+          case "*":
+            S.comments_before.push(read_multiline_comment());
+            S.regex_allowed = regex_allowed;
+            return next_token();
+        }
+        return S.regex_allowed ? read_regexp("") : read_operator("/");
+    };
+
+    function handle_dot() {
+        next();
+        return is_digit(peek())
+            ? read_num(".")
+            : token("punc", ".");
+    };
+
+    function read_word() {
+        var word = read_name();
+        return !HOP(KEYWORDS, word)
+            ? token("name", word)
+            : HOP(OPERATORS, word)
+            ? token("operator", word)
+            : HOP(KEYWORDS_ATOM, word)
+            ? token("atom", word)
+            : token("keyword", word);
+    };
+
+    function with_eof_error(eof_error, cont) {
+        try {
+            return cont();
+        } catch(ex) {
+            if (ex === EX_EOF) parse_error(eof_error);
+            else throw ex;
+        }
+    };
+
+    function next_token(force_regexp) {
+        if (force_regexp != null)
+            return read_regexp(force_regexp);
+        skip_whitespace();
+        start_token();
+        var ch = peek();
+        if (!ch) return token("eof");
+        if (is_digit(ch)) return read_num();
+        if (ch == '"' || ch == "'") return read_string();
+        if (HOP(PUNC_CHARS, ch)) return token("punc", next());
+        if (ch == ".") return handle_dot();
+        if (ch == "/") return handle_slash();
+        if (HOP(OPERATOR_CHARS, ch)) return read_operator();
+        if (ch == "\\" || is_identifier_start(ch)) return read_word();
+        parse_error("Unexpected character '" + ch + "'");
+    };
+
+    next_token.context = function(nc) {
+        if (nc) S = nc;
+        return S;
+    };
+
+    return next_token;
+
+};
+
+/* -----[ Parser (constants) ]----- */
+
+var UNARY_PREFIX = array_to_hash([
+    "typeof",
+    "void",
+    "delete",
+    "--",
+    "++",
+    "!",
+    "~",
+    "-",
+    "+"
+]);
+
+var UNARY_POSTFIX = array_to_hash([ "--", "++" ]);
+
+var ASSIGNMENT = (function(a, ret, i){
+    while (i < a.length) {
+        ret[a[i]] = a[i].substr(0, a[i].length - 1);
+        i++;
+    }
+    return ret;
+})(
+    ["+=", "-=", "/=", "*=", "%=", ">>=", "<<=", ">>>=", "|=", "^=", "&="],
+    { "=": true },
+    0
+);
+
+var PRECEDENCE = (function(a, ret){
+    for (var i = 0, n = 1; i < a.length; ++i, ++n) {
+        var b = a[i];
+        for (var j = 0; j < b.length; ++j) {
+            ret[b[j]] = n;
+        }
+    }
+    return ret;
+})(
+    [
+        ["||"],
+        ["&&"],
+        ["|"],
+        ["^"],
+        ["&"],
+        ["==", "===", "!=", "!=="],
+        ["<", ">", "<=", ">=", "in", "instanceof"],
+        [">>", "<<", ">>>"],
+        ["+", "-"],
+        ["*", "/", "%"]
+    ],
+    {}
+);
+
+var STATEMENTS_WITH_LABELS = array_to_hash([ "for", "do", "while", "switch" ]);
+
+var ATOMIC_START_TOKEN = array_to_hash([ "atom", "num", "string", "regexp", "name" ]);
+
+/* -----[ Parser ]----- */
+
+function NodeWithToken(str, start, end) {
+    this.name = str;
+    this.start = start;
+    this.end = end;
+};
+
+NodeWithToken.prototype.toString = function() { return this.name; };
+
+function parse($TEXT, exigent_mode, embed_tokens) {
+
+    var S = {
+        input         : typeof $TEXT == "string" ? tokenizer($TEXT, true) : $TEXT,
+        token         : null,
+        prev          : null,
+        peeked        : null,
+        in_function   : 0,
+        in_directives : true,
+        in_loop       : 0,
+        labels        : []
+    };
+
+    S.token = next();
+
+    function is(type, value) {
+        return is_token(S.token, type, value);
+    };
+
+    function peek() { return S.peeked || (S.peeked = S.input()); };
+
+    function next() {
+        S.prev = S.token;
+        if (S.peeked) {
+            S.token = S.peeked;
+            S.peeked = null;
+        } else {
+            S.token = S.input();
+        }
+        S.in_directives = S.in_directives && (
+            S.token.type == "string" || is("punc", ";")
+        );
+        return S.token;
+    };
+
+    function prev() {
+        return S.prev;
+    };
+
+    function croak(msg, line, col, pos) {
+        var ctx = S.input.context();
+        js_error(msg,
+                 line != null ? line : ctx.tokline,
+                 col != null ? col : ctx.tokcol,
+                 pos != null ? pos : ctx.tokpos);
+    };
+
+    function token_error(token, msg) {
+        croak(msg, token.line, token.col);
+    };
+
+    function unexpected(token) {
+        if (token == null)
+            token = S.token;
+        token_error(token, "Unexpected token: " + token.type + " (" + token.value + ")");
+    };
+
+    function expect_token(type, val) {
+        if (is(type, val)) {
+            return next();
+        }
+        token_error(S.token, "Unexpected token " + S.token.type + ", expected " + type);
+    };
+
+    function expect(punc) { return expect_token("punc", punc); };
+
+    function can_insert_semicolon() {
+        return !exigent_mode && (
+            S.token.nlb || is("eof") || is("punc", "}")
+        );
+    };
+
+    function semicolon() {
+        if (is("punc", ";")) next();
+        else if (!can_insert_semicolon()) unexpected();
+    };
+
+    function as() {
+        return slice(arguments);
+    };
+
+    function parenthesised() {
+        expect("(");
+        var ex = expression();
+        expect(")");
+        return ex;
+    };
+
+    function add_tokens(str, start, end) {
+        return str instanceof NodeWithToken ? str : new NodeWithToken(str, start, end);
+    };
+
+    function maybe_embed_tokens(parser) {
+        if (embed_tokens) return function() {
+            var start = S.token;
+            var ast = parser.apply(this, arguments);
+            ast[0] = add_tokens(ast[0], start, prev());
+            return ast;
+        };
+        else return parser;
+    };
+
+    var statement = maybe_embed_tokens(function() {
+        if (is("operator", "/") || is("operator", "/=")) {
+            S.peeked = null;
+            S.token = S.input(S.token.value.substr(1)); // force regexp
+        }
+        switch (S.token.type) {
+          case "string":
+            var dir = S.in_directives, stat = simple_statement();
+            if (dir && stat[1][0] == "string" && !is("punc", ","))
+                return as("directive", stat[1][1]);
+            return stat;
+          case "num":
+          case "regexp":
+          case "operator":
+          case "atom":
+            return simple_statement();
+
+          case "name":
+            return is_token(peek(), "punc", ":")
+                ? labeled_statement(prog1(S.token.value, next, next))
+                : simple_statement();
+
+          case "punc":
+            switch (S.token.value) {
+              case "{":
+                return as("block", block_());
+              case "[":
+              case "(":
+                return simple_statement();
+              case ";":
+                next();
+                return as("block");
+              default:
+                unexpected();
+            }
+
+          case "keyword":
+            switch (prog1(S.token.value, next)) {
+              case "break":
+                return break_cont("break");
+
+              case "continue":
+                return break_cont("continue");
+
+              case "debugger":
+                semicolon();
+                return as("debugger");
+
+              case "do":
+                return (function(body){
+                    expect_token("keyword", "while");
+                    return as("do", prog1(parenthesised, semicolon), body);
+                })(in_loop(statement));
+
+              case "for":
+                return for_();
+
+              case "function":
+                return function_(true);
+
+              case "if":
+                return if_();
+
+              case "return":
+                if (S.in_function == 0)
+                    croak("'return' outside of function");
+                return as("return",
+                          is("punc", ";")
+                          ? (next(), null)
+                          : can_insert_semicolon()
+                          ? null
+                          : prog1(expression, semicolon));
+
+              case "switch":
+                return as("switch", parenthesised(), switch_block_());
+
+              case "throw":
+                if (S.token.nlb)
+                    croak("Illegal newline after 'throw'");
+                return as("throw", prog1(expression, semicolon));
+
+              case "try":
+                return try_();
+
+              case "var":
+                return prog1(var_, semicolon);
+
+              case "const":
+                return prog1(const_, semicolon);
+
+              case "while":
+                return as("while", parenthesised(), in_loop(statement));
+
+              case "with":
+                return as("with", parenthesised(), statement());
+
+              default:
+                unexpected();
+            }
+        }
+    });
+
+    function labeled_statement(label) {
+        S.labels.push(label);
+        var start = S.token, stat = statement();
+        if (exigent_mode && !HOP(STATEMENTS_WITH_LABELS, stat[0]))
+            unexpected(start);
+        S.labels.pop();
+        return as("label", label, stat);
+    };
+
+    function simple_statement() {
+        return as("stat", prog1(expression, semicolon));
+    };
+
+    function break_cont(type) {
+        var name;
+        if (!can_insert_semicolon()) {
+            name = is("name") ? S.token.value : null;
+        }
+        if (name != null) {
+            next();
+            if (!member(name, S.labels))
+                croak("Label " + name + " without matching loop or statement");
+        }
+        else if (S.in_loop == 0)
+            croak(type + " not inside a loop or switch");
+        semicolon();
+        return as(type, name);
+    };
+
+    function for_() {
+        expect("(");
+        var init = null;
+        if (!is("punc", ";")) {
+            init = is("keyword", "var")
+                ? (next(), var_(true))
+                : expression(true, true);
+            if (is("operator", "in")) {
+                if (init[0] == "var" && init[1].length > 1)
+                    croak("Only one variable declaration allowed in for..in loop");
+                return for_in(init);
+            }
+        }
+        return regular_for(init);
+    };
+
+    function regular_for(init) {
+        expect(";");
+        var test = is("punc", ";") ? null : expression();
+        expect(";");
+        var step = is("punc", ")") ? null : expression();
+        expect(")");
+        return as("for", init, test, step, in_loop(statement));
+    };
+
+    function for_in(init) {
+        var lhs = init[0] == "var" ? as("name", init[1][0]) : init;
+        next();
+        var obj = expression();
+        expect(")");
+        return as("for-in", init, lhs, obj, in_loop(statement));
+    };
+
+    var function_ = function(in_statement) {
+        var name = is("name") ? prog1(S.token.value, next) : null;
+        if (in_statement && !name)
+            unexpected();
+        expect("(");
+        return as(in_statement ? "defun" : "function",
+                  name,
+                  // arguments
+                  (function(first, a){
+                      while (!is("punc", ")")) {
+                          if (first) first = false; else expect(",");
+                          if (!is("name")) unexpected();
+                          a.push(S.token.value);
+                          next();
+                      }
+                      next();
+                      return a;
+                  })(true, []),
+                  // body
+                  (function(){
+                      ++S.in_function;
+                      var loop = S.in_loop;
+                      S.in_directives = true;
+                      S.in_loop = 0;
+                      var a = block_();
+                      --S.in_function;
+                      S.in_loop = loop;
+                      return a;
+                  })());
+    };
+
+    function if_() {
+        var cond = parenthesised(), body = statement(), belse;
+        if (is("keyword", "else")) {
+            next();
+            belse = statement();
+        }
+        return as("if", cond, body, belse);
+    };
+
+    function block_() {
+        expect("{");
+        var a = [];
+        while (!is("punc", "}")) {
+            if (is("eof")) unexpected();
+            a.push(statement());
+        }
+        next();
+        return a;
+    };
+
+    var switch_block_ = curry(in_loop, function(){
+        expect("{");
+        var a = [], cur = null;
+        while (!is("punc", "}")) {
+            if (is("eof")) unexpected();
+            if (is("keyword", "case")) {
+                next();
+                cur = [];
+                a.push([ expression(), cur ]);
+                expect(":");
+            }
+            else if (is("keyword", "default")) {
+                next();
+                expect(":");
+                cur = [];
+                a.push([ null, cur ]);
+            }
+            else {
+                if (!cur) unexpected();
+                cur.push(statement());
+            }
+        }
+        next();
+        return a;
+    });
+
+    function try_() {
+        var body = block_(), bcatch, bfinally;
+        if (is("keyword", "catch")) {
+            next();
+            expect("(");
+            if (!is("name"))
+                croak("Name expected");
+            var name = S.token.value;
+            next();
+            expect(")");
+            bcatch = [ name, block_() ];
+        }
+        if (is("keyword", "finally")) {
+            next();
+            bfinally = block_();
+        }
+        if (!bcatch && !bfinally)
+            croak("Missing catch/finally blocks");
+        return as("try", body, bcatch, bfinally);
+    };
+
+    function vardefs(no_in) {
+        var a = [];
+        for (;;) {
+            if (!is("name"))
+                unexpected();
+            var name = S.token.value;
+            next();
+            if (is("operator", "=")) {
+                next();
+                a.push([ name, expression(false, no_in) ]);
+            } else {
+                a.push([ name ]);
+            }
+            if (!is("punc", ","))
+                break;
+            next();
+        }
+        return a;
+    };
+
+    function var_(no_in) {
+        return as("var", vardefs(no_in));
+    };
+
+    function const_() {
+        return as("const", vardefs());
+    };
+
+    function new_() {
+        var newexp = expr_atom(false), args;
+        if (is("punc", "(")) {
+            next();
+            args = expr_list(")");
+        } else {
+            args = [];
+        }
+        return subscripts(as("new", newexp, args), true);
+    };
+
+    var expr_atom = maybe_embed_tokens(function(allow_calls) {
+        if (is("operator", "new")) {
+            next();
+            return new_();
+        }
+        if (is("punc")) {
+            switch (S.token.value) {
+              case "(":
+                next();
+                return subscripts(prog1(expression, curry(expect, ")")), allow_calls);
+              case "[":
+                next();
+                return subscripts(array_(), allow_calls);
+              case "{":
+                next();
+                return subscripts(object_(), allow_calls);
+            }
+            unexpected();
+        }
+        if (is("keyword", "function")) {
+            next();
+            return subscripts(function_(false), allow_calls);
+        }
+        if (HOP(ATOMIC_START_TOKEN, S.token.type)) {
+            var atom = S.token.type == "regexp"
+                ? as("regexp", S.token.value[0], S.token.value[1])
+                : as(S.token.type, S.token.value);
+            return subscripts(prog1(atom, next), allow_calls);
+        }
+        unexpected();
+    });
+
+    function expr_list(closing, allow_trailing_comma, allow_empty) {
+        var first = true, a = [];
+        while (!is("punc", closing)) {
+            if (first) first = false; else expect(",");
+            if (allow_trailing_comma && is("punc", closing)) break;
+            if (is("punc", ",") && allow_empty) {
+                a.push([ "atom", "undefined" ]);
+            } else {
+                a.push(expression(false));
+            }
+        }
+        next();
+        return a;
+    };
+
+    function array_() {
+        return as("array", expr_list("]", !exigent_mode, true));
+    };
+
+    function object_() {
+        var first = true, a = [];
+        while (!is("punc", "}")) {
+            if (first) first = false; else expect(",");
+            if (!exigent_mode && is("punc", "}"))
+                // allow trailing comma
+                break;
+            var type = S.token.type;
+            var name = as_property_name();
+            if (type == "name" && (name == "get" || name == "set") && !is("punc", ":")) {
+                a.push([ as_name(), function_(false), name ]);
+            } else {
+                expect(":");
+                a.push([ name, expression(false) ]);
+            }
+        }
+        next();
+        return as("object", a);
+    };
+
+    function as_property_name() {
+        switch (S.token.type) {
+          case "num":
+          case "string":
+            return prog1(S.token.value, next);
+        }
+        return as_name();
+    };
+
+    function as_name() {
+        switch (S.token.type) {
+          case "name":
+          case "operator":
+          case "keyword":
+          case "atom":
+            return prog1(S.token.value, next);
+          default:
+            unexpected();
+        }
+    };
+
+    function subscripts(expr, allow_calls) {
+        if (is("punc", ".")) {
+            next();
+            return subscripts(as("dot", expr, as_name()), allow_calls);
+        }
+        if (is("punc", "[")) {
+            next();
+            return subscripts(as("sub", expr, prog1(expression, curry(expect, "]"))), allow_calls);
+        }
+        if (allow_calls && is("punc", "(")) {
+            next();
+            return subscripts(as("call", expr, expr_list(")")), true);
+        }
+        return expr;
+    };
+
+    function maybe_unary(allow_calls) {
+        if (is("operator") && HOP(UNARY_PREFIX, S.token.value)) {
+            return make_unary("unary-prefix",
+                              prog1(S.token.value, next),
+                              maybe_unary(allow_calls));
+        }
+        var val = expr_atom(allow_calls);
+        while (is("operator") && HOP(UNARY_POSTFIX, S.token.value) && !S.token.nlb) {
+            val = make_unary("unary-postfix", S.token.value, val);
+            next();
+        }
+        return val;
+    };
+
+    function make_unary(tag, op, expr) {
+        if ((op == "++" || op == "--") && !is_assignable(expr))
+            croak("Invalid use of " + op + " operator");
+        return as(tag, op, expr);
+    };
+
+    function expr_op(left, min_prec, no_in) {
+        var op = is("operator") ? S.token.value : null;
+        if (op && op == "in" && no_in) op = null;
+        var prec = op != null ? PRECEDENCE[op] : null;
+        if (prec != null && prec > min_prec) {
+            next();
+            var right = expr_op(maybe_unary(true), prec, no_in);
+            return expr_op(as("binary", op, left, right), min_prec, no_in);
+        }
+        return left;
+    };
+
+    function expr_ops(no_in) {
+        return expr_op(maybe_unary(true), 0, no_in);
+    };
+
+    function maybe_conditional(no_in) {
+        var expr = expr_ops(no_in);
+        if (is("operator", "?")) {
+            next();
+            var yes = expression(false);
+            expect(":");
+            return as("conditional", expr, yes, expression(false, no_in));
+        }
+        return expr;
+    };
+
+    function is_assignable(expr) {
+        if (!exigent_mode) return true;
+        switch (expr[0]+"") {
+          case "dot":
+          case "sub":
+          case "new":
+          case "call":
+            return true;
+          case "name":
+            return expr[1] != "this";
+        }
+    };
+
+    function maybe_assign(no_in) {
+        var left = maybe_conditional(no_in), val = S.token.value;
+        if (is("operator") && HOP(ASSIGNMENT, val)) {
+            if (is_assignable(left)) {
+                next();
+                return as("assign", ASSIGNMENT[val], left, maybe_assign(no_in));
+            }
+            croak("Invalid assignment");
+        }
+        return left;
+    };
+
+    var expression = maybe_embed_tokens(function(commas, no_in) {
+        if (arguments.length == 0)
+            commas = true;
+        var expr = maybe_assign(no_in);
+        if (commas && is("punc", ",")) {
+            next();
+            return as("seq", expr, expression(true, no_in));
+        }
+        return expr;
+    });
+
+    function in_loop(cont) {
+        try {
+            ++S.in_loop;
+            return cont();
+        } finally {
+            --S.in_loop;
+        }
+    };
+
+    return as("toplevel", (function(a){
+        while (!is("eof"))
+            a.push(statement());
+        return a;
+    })([]));
+
+};
+
+/* -----[ Utilities ]----- */
+
+function curry(f) {
+    var args = slice(arguments, 1);
+    return function() { return f.apply(this, args.concat(slice(arguments))); };
+};
+
+function prog1(ret) {
+    if (ret instanceof Function)
+        ret = ret();
+    for (var i = 1, n = arguments.length; --n > 0; ++i)
+        arguments[i]();
+    return ret;
+};
+
+function array_to_hash(a) {
+    var ret = {};
+    for (var i = 0; i < a.length; ++i)
+        ret[a[i]] = true;
+    return ret;
+};
+
+function slice(a, start) {
+    return Array.prototype.slice.call(a, start || 0);
+};
+
+function characters(str) {
+    return str.split("");
+};
+
+function member(name, array) {
+    for (var i = array.length; --i >= 0;)
+        if (array[i] == name)
+            return true;
+    return false;
+};
+
+function HOP(obj, prop) {
+    return Object.prototype.hasOwnProperty.call(obj, prop);
+};
+
+var warn = function() {};
+
+/* -----[ Exports ]----- */
+
+exports.tokenizer = tokenizer;
+exports.parse = parse;
+exports.slice = slice;
+exports.curry = curry;
+exports.member = member;
+exports.array_to_hash = array_to_hash;
+exports.PRECEDENCE = PRECEDENCE;
+exports.KEYWORDS_ATOM = KEYWORDS_ATOM;
+exports.RESERVED_WORDS = RESERVED_WORDS;
+exports.KEYWORDS = KEYWORDS;
+exports.ATOMIC_START_TOKEN = ATOMIC_START_TOKEN;
+exports.OPERATORS = OPERATORS;
+exports.is_alphanumeric_char = is_alphanumeric_char;
+exports.is_identifier_start = is_identifier_start;
+exports.is_identifier_char = is_identifier_char;
+exports.set_logger = function(logger) {
+    warn = logger;
+};
+
+// Local variables:
+// js-indent-level: 4
+// End:
+});define('uglifyjs/squeeze-more', ["require", "exports", "module", "./parse-js", "./squeeze-more"], function(require, exports, module) {
+var jsp = require("./parse-js"),
+    pro = require("./process"),
+    slice = jsp.slice,
+    member = jsp.member,
+    curry = jsp.curry,
+    MAP = pro.MAP,
+    PRECEDENCE = jsp.PRECEDENCE,
+    OPERATORS = jsp.OPERATORS;
+
+function ast_squeeze_more(ast) {
+    var w = pro.ast_walker(), walk = w.walk, scope;
+    function with_scope(s, cont) {
+        var save = scope, ret;
+        scope = s;
+        ret = cont();
+        scope = save;
+        return ret;
+    };
+    function _lambda(name, args, body) {
+        return [ this[0], name, args, with_scope(body.scope, curry(MAP, body, walk)) ];
+    };
+    return w.with_walkers({
+        "toplevel": function(body) {
+            return [ this[0], with_scope(this.scope, curry(MAP, body, walk)) ];
+        },
+        "function": _lambda,
+        "defun": _lambda,
+        "new": function(ctor, args) {
+            if (ctor[0] == "name") {
+                if (ctor[1] == "Array" && !scope.has("Array")) {
+                    if (args.length != 1) {
+                        return [ "array", args ];
+                    } else {
+                        return walk([ "call", [ "name", "Array" ], args ]);
+                    }
+                } else if (ctor[1] == "Object" && !scope.has("Object")) {
+                    if (!args.length) {
+                        return [ "object", [] ];
+                    } else {
+                        return walk([ "call", [ "name", "Object" ], args ]);
+                    }
+                } else if ((ctor[1] == "RegExp" || ctor[1] == "Function" || ctor[1] == "Error") && !scope.has(ctor[1])) {
+                    return walk([ "call", [ "name", ctor[1] ], args]);
+                }
+            }
+        },
+        "call": function(expr, args) {
+            if (expr[0] == "dot" && expr[1][0] == "string" && args.length == 1
+                && (args[0][1] > 0 && expr[2] == "substring" || expr[2] == "substr")) {
+                return [ "call", [ "dot", expr[1], "slice"], args];
+            }
+            if (expr[0] == "dot" && expr[2] == "toString" && args.length == 0) {
+                // foo.toString()  ==>  foo+""
+                if (expr[1][0] == "string") return expr[1];
+                return [ "binary", "+", expr[1], [ "string", "" ]];
+            }
+            if (expr[0] == "name") {
+                if (expr[1] == "Array" && args.length != 1 && !scope.has("Array")) {
+                    return [ "array", args ];
+                }
+                if (expr[1] == "Object" && !args.length && !scope.has("Object")) {
+                    return [ "object", [] ];
+                }
+                if (expr[1] == "String" && !scope.has("String")) {
+                    return [ "binary", "+", args[0], [ "string", "" ]];
+                }
+            }
+        }
+    }, function() {
+        return walk(pro.ast_add_scope(ast));
+    });
+};
+
+exports.ast_squeeze_more = ast_squeeze_more;
+
+// Local variables:
+// js-indent-level: 4
+// End:
+});
+define('uglifyjs/process', ["require", "exports", "module", "./parse-js", "./squeeze-more"], function(require, exports, module) {
+/***********************************************************************
+
+  A JavaScript tokenizer / parser / beautifier / compressor.
+
+  This version is suitable for Node.js.  With minimal changes (the
+  exports stuff) it should work on any JS platform.
+
+  This file implements some AST processors.  They work on data built
+  by parse-js.
+
+  Exported functions:
+
+    - ast_mangle(ast, options) -- mangles the variable/function names
+      in the AST.  Returns an AST.
+
+    - ast_squeeze(ast) -- employs various optimizations to make the
+      final generated code even smaller.  Returns an AST.
+
+    - gen_code(ast, options) -- generates JS code from the AST.  Pass
+      true (or an object, see the code for some options) as second
+      argument to get "pretty" (indented) code.
+
+  -------------------------------- (C) ---------------------------------
+
+                           Author: Mihai Bazon
+                         <mihai.bazon@gmail.com>
+                       http://mihai.bazon.net/blog
+
+  Distributed under the BSD license:
+
+    Copyright 2010 (c) Mihai Bazon <mihai.bazon@gmail.com>
+
+    Redistribution and use in source and binary forms, with or without
+    modification, are permitted provided that the following conditions
+    are met:
+
+        * Redistributions of source code must retain the above
+          copyright notice, this list of conditions and the following
+          disclaimer.
+
+        * Redistributions in binary form must reproduce the above
+          copyright notice, this list of conditions and the following
+          disclaimer in the documentation and/or other materials
+          provided with the distribution.
+
+    THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDER “AS IS” AND ANY
+    EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+    IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+    PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER BE
+    LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY,
+    OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+    PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
+    PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+    THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR
+    TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF
+    THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+    SUCH DAMAGE.
+
+ ***********************************************************************/
+
+var jsp = require("./parse-js"),
+    curry = jsp.curry,
+    slice = jsp.slice,
+    member = jsp.member,
+    is_identifier_char = jsp.is_identifier_char,
+    PRECEDENCE = jsp.PRECEDENCE,
+    OPERATORS = jsp.OPERATORS;
+
+/* -----[ helper for AST traversal ]----- */
+
+function ast_walker() {
+    function _vardefs(defs) {
+        return [ this[0], MAP(defs, function(def){
+            var a = [ def[0] ];
+            if (def.length > 1)
+                a[1] = walk(def[1]);
+            return a;
+        }) ];
+    };
+    function _block(statements) {
+        var out = [ this[0] ];
+        if (statements != null)
+            out.push(MAP(statements, walk));
+        return out;
+    };
+    var walkers = {
+        "string": function(str) {
+            return [ this[0], str ];
+        },
+        "num": function(num) {
+            return [ this[0], num ];
+        },
+        "name": function(name) {
+            return [ this[0], name ];
+        },
+        "toplevel": function(statements) {
+            return [ this[0], MAP(statements, walk) ];
+        },
+        "block": _block,
+        "splice": _block,
+        "var": _vardefs,
+        "const": _vardefs,
+        "try": function(t, c, f) {
+            return [
+                this[0],
+                MAP(t, walk),
+                c != null ? [ c[0], MAP(c[1], walk) ] : null,
+                f != null ? MAP(f, walk) : null
+            ];
+        },
+        "throw": function(expr) {
+            return [ this[0], walk(expr) ];
+        },
+        "new": function(ctor, args) {
+            return [ this[0], walk(ctor), MAP(args, walk) ];
+        },
+        "switch": function(expr, body) {
+            return [ this[0], walk(expr), MAP(body, function(branch){
+                return [ branch[0] ? walk(branch[0]) : null,
+                         MAP(branch[1], walk) ];
+            }) ];
+        },
+        "break": function(label) {
+            return [ this[0], label ];
+        },
+        "continue": function(label) {
+            return [ this[0], label ];
+        },
+        "conditional": function(cond, t, e) {
+            return [ this[0], walk(cond), walk(t), walk(e) ];
+        },
+        "assign": function(op, lvalue, rvalue) {
+            return [ this[0], op, walk(lvalue), walk(rvalue) ];
+        },
+        "dot": function(expr) {
+            return [ this[0], walk(expr) ].concat(slice(arguments, 1));
+        },
+        "call": function(expr, args) {
+            return [ this[0], walk(expr), MAP(args, walk) ];
+        },
+        "function": function(name, args, body) {
+            return [ this[0], name, args.slice(), MAP(body, walk) ];
+        },
+        "debugger": function() {
+            return [ this[0] ];
+        },
+        "defun": function(name, args, body) {
+            return [ this[0], name, args.slice(), MAP(body, walk) ];
+        },
+        "if": function(conditional, t, e) {
+            return [ this[0], walk(conditional), walk(t), walk(e) ];
+        },
+        "for": function(init, cond, step, block) {
+            return [ this[0], walk(init), walk(cond), walk(step), walk(block) ];
+        },
+        "for-in": function(vvar, key, hash, block) {
+            return [ this[0], walk(vvar), walk(key), walk(hash), walk(block) ];
+        },
+        "while": function(cond, block) {
+            return [ this[0], walk(cond), walk(block) ];
+        },
+        "do": function(cond, block) {
+            return [ this[0], walk(cond), walk(block) ];
+        },
+        "return": function(expr) {
+            return [ this[0], walk(expr) ];
+        },
+        "binary": function(op, left, right) {
+            return [ this[0], op, walk(left), walk(right) ];
+        },
+        "unary-prefix": function(op, expr) {
+            return [ this[0], op, walk(expr) ];
+        },
+        "unary-postfix": function(op, expr) {
+            return [ this[0], op, walk(expr) ];
+        },
+        "sub": function(expr, subscript) {
+            return [ this[0], walk(expr), walk(subscript) ];
+        },
+        "object": function(props) {
+            return [ this[0], MAP(props, function(p){
+                return p.length == 2
+                    ? [ p[0], walk(p[1]) ]
+                    : [ p[0], walk(p[1]), p[2] ]; // get/set-ter
+            }) ];
+        },
+        "regexp": function(rx, mods) {
+            return [ this[0], rx, mods ];
+        },
+        "array": function(elements) {
+            return [ this[0], MAP(elements, walk) ];
+        },
+        "stat": function(stat) {
+            return [ this[0], walk(stat) ];
+        },
+        "seq": function() {
+            return [ this[0] ].concat(MAP(slice(arguments), walk));
+        },
+        "label": function(name, block) {
+            return [ this[0], name, walk(block) ];
+        },
+        "with": function(expr, block) {
+            return [ this[0], walk(expr), walk(block) ];
+        },
+        "atom": function(name) {
+            return [ this[0], name ];
+        },
+        "directive": function(dir) {
+            return [ this[0], dir ];
+        }
+    };
+
+    var user = {};
+    var stack = [];
+    function walk(ast) {
+        if (ast == null)
+            return null;
+        try {
+            stack.push(ast);
+            var type = ast[0];
+            var gen = user[type];
+            if (gen) {
+                var ret = gen.apply(ast, ast.slice(1));
+                if (ret != null)
+                    return ret;
+            }
+            gen = walkers[type];
+            return gen.apply(ast, ast.slice(1));
+        } finally {
+            stack.pop();
+        }
+    };
+
+    function dive(ast) {
+        if (ast == null)
+            return null;
+        try {
+            stack.push(ast);
+            return walkers[ast[0]].apply(ast, ast.slice(1));
+        } finally {
+            stack.pop();
+        }
+    };
+
+    function with_walkers(walkers, cont){
+        var save = {}, i;
+        for (i in walkers) if (HOP(walkers, i)) {
+            save[i] = user[i];
+            user[i] = walkers[i];
+        }
+        var ret = cont();
+        for (i in save) if (HOP(save, i)) {
+            if (!save[i]) delete user[i];
+            else user[i] = save[i];
+        }
+        return ret;
+    };
+
+    return {
+        walk: walk,
+        dive: dive,
+        with_walkers: with_walkers,
+        parent: function() {
+            return stack[stack.length - 2]; // last one is current node
+        },
+        stack: function() {
+            return stack;
+        }
+    };
+};
+
+/* -----[ Scope and mangling ]----- */
+
+function Scope(parent) {
+    this.names = {};        // names defined in this scope
+    this.mangled = {};      // mangled names (orig.name => mangled)
+    this.rev_mangled = {};  // reverse lookup (mangled => orig.name)
+    this.cname = -1;        // current mangled name
+    this.refs = {};         // names referenced from this scope
+    this.uses_with = false; // will become TRUE if with() is detected in this or any subscopes
+    this.uses_eval = false; // will become TRUE if eval() is detected in this or any subscopes
+    this.directives = [];   // directives activated from this scope
+    this.parent = parent;   // parent scope
+    this.children = [];     // sub-scopes
+    if (parent) {
+        this.level = parent.level + 1;
+        parent.children.push(this);
+    } else {
+        this.level = 0;
+    }
+};
+
+function base54_digits() {
+    if (typeof DIGITS_OVERRIDE_FOR_TESTING != "undefined")
+        return DIGITS_OVERRIDE_FOR_TESTING;
+    else
+        return "etnrisouaflchpdvmgybwESxTNCkLAOM_DPHBjFIqRUzWXV$JKQGYZ0516372984";
+}
+
+var base54 = (function(){
+    var DIGITS = base54_digits();
+    return function(num) {
+        var ret = "", base = 54;
+        do {
+            ret += DIGITS.charAt(num % base);
+            num = Math.floor(num / base);
+            base = 64;
+        } while (num > 0);
+        return ret;
+    };
+})();
+
+Scope.prototype = {
+    has: function(name) {
+        for (var s = this; s; s = s.parent)
+            if (HOP(s.names, name))
+                return s;
+    },
+    has_mangled: function(mname) {
+        for (var s = this; s; s = s.parent)
+            if (HOP(s.rev_mangled, mname))
+                return s;
+    },
+    toJSON: function() {
+        return {
+            names: this.names,
+            uses_eval: this.uses_eval,
+            uses_with: this.uses_with
+        };
+    },
+
+    next_mangled: function() {
+        // we must be careful that the new mangled name:
+        //
+        // 1. doesn't shadow a mangled name from a parent
+        //    scope, unless we don't reference the original
+        //    name from this scope OR from any sub-scopes!
+        //    This will get slow.
+        //
+        // 2. doesn't shadow an original name from a parent
+        //    scope, in the event that the name is not mangled
+        //    in the parent scope and we reference that name
+        //    here OR IN ANY SUBSCOPES!
+        //
+        // 3. doesn't shadow a name that is referenced but not
+        //    defined (possibly global defined elsewhere).
+        for (;;) {
+            var m = base54(++this.cname), prior;
+
+            // case 1.
+            prior = this.has_mangled(m);
+            if (prior && this.refs[prior.rev_mangled[m]] === prior)
+                continue;
+
+            // case 2.
+            prior = this.has(m);
+            if (prior && prior !== this && this.refs[m] === prior && !prior.has_mangled(m))
+                continue;
+
+            // case 3.
+            if (HOP(this.refs, m) && this.refs[m] == null)
+                continue;
+
+            // I got "do" once. :-/
+            if (!is_identifier(m))
+                continue;
+
+            return m;
+        }
+    },
+    set_mangle: function(name, m) {
+        this.rev_mangled[m] = name;
+        return this.mangled[name] = m;
+    },
+    get_mangled: function(name, newMangle) {
+        if (this.uses_eval || this.uses_with) return name; // no mangle if eval or with is in use
+        var s = this.has(name);
+        if (!s) return name; // not in visible scope, no mangle
+        if (HOP(s.mangled, name)) return s.mangled[name]; // already mangled in this scope
+        if (!newMangle) return name;                      // not found and no mangling requested
+        return s.set_mangle(name, s.next_mangled());
+    },
+    references: function(name) {
+        return name && !this.parent || this.uses_with || this.uses_eval || this.refs[name];
+    },
+    define: function(name, type) {
+        if (name != null) {
+            if (type == "var" || !HOP(this.names, name))
+                this.names[name] = type || "var";
+            return name;
+        }
+    },
+    active_directive: function(dir) {
+        return member(dir, this.directives) || this.parent && this.parent.active_directive(dir);
+    }
+};
+
+function ast_add_scope(ast) {
+
+    var current_scope = null;
+    var w = ast_walker(), walk = w.walk;
+    var having_eval = [];
+
+    function with_new_scope(cont) {
+        current_scope = new Scope(current_scope);
+        current_scope.labels = new Scope();
+        var ret = current_scope.body = cont();
+        ret.scope = current_scope;
+        current_scope = current_scope.parent;
+        return ret;
+    };
+
+    function define(name, type) {
+        return current_scope.define(name, type);
+    };
+
+    function reference(name) {
+        current_scope.refs[name] = true;
+    };
+
+    function _lambda(name, args, body) {
+        var is_defun = this[0] == "defun";
+        return [ this[0], is_defun ? define(name, "defun") : name, args, with_new_scope(function(){
+            if (!is_defun) define(name, "lambda");
+            MAP(args, function(name){ define(name, "arg") });
+            return MAP(body, walk);
+        })];
+    };
+
+    function _vardefs(type) {
+        return function(defs) {
+            MAP(defs, function(d){
+                define(d[0], type);
+                if (d[1]) reference(d[0]);
+            });
+        };
+    };
+
+    function _breacont(label) {
+        if (label)
+            current_scope.labels.refs[label] = true;
+    };
+
+    return with_new_scope(function(){
+        // process AST
+        var ret = w.with_walkers({
+            "function": _lambda,
+            "defun": _lambda,
+            "label": function(name, stat) { current_scope.labels.define(name) },
+            "break": _breacont,
+            "continue": _breacont,
+            "with": function(expr, block) {
+                for (var s = current_scope; s; s = s.parent)
+                    s.uses_with = true;
+            },
+            "var": _vardefs("var"),
+            "const": _vardefs("const"),
+            "try": function(t, c, f) {
+                if (c != null) return [
+                    this[0],
+                    MAP(t, walk),
+                    [ define(c[0], "catch"), MAP(c[1], walk) ],
+                    f != null ? MAP(f, walk) : null
+                ];
+            },
+            "name": function(name) {
+                if (name == "eval")
+                    having_eval.push(current_scope);
+                reference(name);
+            }
+        }, function(){
+            return walk(ast);
+        });
+
+        // the reason why we need an additional pass here is
+        // that names can be used prior to their definition.
+
+        // scopes where eval was detected and their parents
+        // are marked with uses_eval, unless they define the
+        // "eval" name.
+        MAP(having_eval, function(scope){
+            if (!scope.has("eval")) while (scope) {
+                scope.uses_eval = true;
+                scope = scope.parent;
+            }
+        });
+
+        // for referenced names it might be useful to know
+        // their origin scope.  current_scope here is the
+        // toplevel one.
+        function fixrefs(scope, i) {
+            // do children first; order shouldn't matter
+            for (i = scope.children.length; --i >= 0;)
+                fixrefs(scope.children[i]);
+            for (i in scope.refs) if (HOP(scope.refs, i)) {
+                // find origin scope and propagate the reference to origin
+                for (var origin = scope.has(i), s = scope; s; s = s.parent) {
+                    s.refs[i] = origin;
+                    if (s === origin) break;
+                }
+            }
+        };
+        fixrefs(current_scope);
+
+        return ret;
+    });
+
+};
+
+/* -----[ mangle names ]----- */
+
+function ast_mangle(ast, options) {
+    var w = ast_walker(), walk = w.walk, scope;
+    options = defaults(options, {
+        mangle       : true,
+        toplevel     : false,
+        defines      : null,
+        except       : null,
+        no_functions : false
+    });
+
+    function get_mangled(name, newMangle) {
+        if (!options.mangle) return name;
+        if (!options.toplevel && !scope.parent) return name; // don't mangle toplevel
+        if (options.except && member(name, options.except))
+            return name;
+        if (options.no_functions && HOP(scope.names, name) &&
+            (scope.names[name] == 'defun' || scope.names[name] == 'lambda'))
+            return name;
+        return scope.get_mangled(name, newMangle);
+    };
+
+    function get_define(name) {
+        if (options.defines) {
+            // we always lookup a defined symbol for the current scope FIRST, so declared
+            // vars trump a DEFINE symbol, but if no such var is found, then match a DEFINE value
+            if (!scope.has(name)) {
+                if (HOP(options.defines, name)) {
+                    return options.defines[name];
+                }
+            }
+            return null;
+        }
+    };
+
+    function _lambda(name, args, body) {
+        if (!options.no_functions && options.mangle) {
+            var is_defun = this[0] == "defun", extra;
+            if (name) {
+                if (is_defun) name = get_mangled(name);
+                else if (body.scope.references(name)) {
+                    extra = {};
+                    if (!(scope.uses_eval || scope.uses_with))
+                        name = extra[name] = scope.next_mangled();
+                    else
+                        extra[name] = name;
+                }
+                else name = null;
+            }
+        }
+        body = with_scope(body.scope, function(){
+            args = MAP(args, function(name){ return get_mangled(name) });
+            return MAP(body, walk);
+        }, extra);
+        return [ this[0], name, args, body ];
+    };
+
+    function with_scope(s, cont, extra) {
+        var _scope = scope;
+        scope = s;
+        if (extra) for (var i in extra) if (HOP(extra, i)) {
+            s.set_mangle(i, extra[i]);
+        }
+        for (var i in s.names) if (HOP(s.names, i)) {
+            get_mangled(i, true);
+        }
+        var ret = cont();
+        ret.scope = s;
+        scope = _scope;
+        return ret;
+    };
+
+    function _vardefs(defs) {
+        return [ this[0], MAP(defs, function(d){
+            return [ get_mangled(d[0]), walk(d[1]) ];
+        }) ];
+    };
+
+    function _breacont(label) {
+        if (label) return [ this[0], scope.labels.get_mangled(label) ];
+    };
+
+    return w.with_walkers({
+        "function": _lambda,
+        "defun": function() {
+            // move function declarations to the top when
+            // they are not in some block.
+            var ast = _lambda.apply(this, arguments);
+            switch (w.parent()[0]) {
+              case "toplevel":
+              case "function":
+              case "defun":
+                return MAP.at_top(ast);
+            }
+            return ast;
+        },
+        "label": function(label, stat) {
+            if (scope.labels.refs[label]) return [
+                this[0],
+                scope.labels.get_mangled(label, true),
+                walk(stat)
+            ];
+            return walk(stat);
+        },
+        "break": _breacont,
+        "continue": _breacont,
+        "var": _vardefs,
+        "const": _vardefs,
+        "name": function(name) {
+            return get_define(name) || [ this[0], get_mangled(name) ];
+        },
+        "try": function(t, c, f) {
+            return [ this[0],
+                     MAP(t, walk),
+                     c != null ? [ get_mangled(c[0]), MAP(c[1], walk) ] : null,
+                     f != null ? MAP(f, walk) : null ];
+        },
+        "toplevel": function(body) {
+            var self = this;
+            return with_scope(self.scope, function(){
+                return [ self[0], MAP(body, walk) ];
+            });
+        },
+        "directive": function() {
+            return MAP.at_top(this);
+        }
+    }, function() {
+        return walk(ast_add_scope(ast));
+    });
+};
+
+/* -----[
+   - compress foo["bar"] into foo.bar,
+   - remove block brackets {} where possible
+   - join consecutive var declarations
+   - various optimizations for IFs:
+   - if (cond) foo(); else bar();  ==>  cond?foo():bar();
+   - if (cond) foo();  ==>  cond&&foo();
+   - if (foo) return bar(); else return baz();  ==> return foo?bar():baz(); // also for throw
+   - if (foo) return bar(); else something();  ==> {if(foo)return bar();something()}
+   ]----- */
+
+var warn = function(){};
+
+function best_of(ast1, ast2) {
+    return gen_code(ast1).length > gen_code(ast2[0] == "stat" ? ast2[1] : ast2).length ? ast2 : ast1;
+};
+
+function last_stat(b) {
+    if (b[0] == "block" && b[1] && b[1].length > 0)
+        return b[1][b[1].length - 1];
+    return b;
+}
+
+function aborts(t) {
+    if (t) switch (last_stat(t)[0]) {
+      case "return":
+      case "break":
+      case "continue":
+      case "throw":
+        return true;
+    }
+};
+
+function boolean_expr(expr) {
+    return ( (expr[0] == "unary-prefix"
+              && member(expr[1], [ "!", "delete" ])) ||
+
+             (expr[0] == "binary"
+              && member(expr[1], [ "in", "instanceof", "==", "!=", "===", "!==", "<", "<=", ">=", ">" ])) ||
+
+             (expr[0] == "binary"
+              && member(expr[1], [ "&&", "||" ])
+              && boolean_expr(expr[2])
+              && boolean_expr(expr[3])) ||
+
+             (expr[0] == "conditional"
+              && boolean_expr(expr[2])
+              && boolean_expr(expr[3])) ||
+
+             (expr[0] == "assign"
+              && expr[1] === true
+              && boolean_expr(expr[3])) ||
+
+             (expr[0] == "seq"
+              && boolean_expr(expr[expr.length - 1]))
+           );
+};
+
+function empty(b) {
+    return !b || (b[0] == "block" && (!b[1] || b[1].length == 0));
+};
+
+function is_string(node) {
+    return (node[0] == "string" ||
+            node[0] == "unary-prefix" && node[1] == "typeof" ||
+            node[0] == "binary" && node[1] == "+" &&
+            (is_string(node[2]) || is_string(node[3])));
+};
+
+var when_constant = (function(){
+
+    var $NOT_CONSTANT = {};
+
+    // this can only evaluate constant expressions.  If it finds anything
+    // not constant, it throws $NOT_CONSTANT.
+    function evaluate(expr) {
+        switch (expr[0]) {
+          case "string":
+          case "num":
+            return expr[1];
+          case "name":
+          case "atom":
+            switch (expr[1]) {
+              case "true": return true;
+              case "false": return false;
+              case "null": return null;
+            }
+            break;
+          case "unary-prefix":
+            switch (expr[1]) {
+              case "!": return !evaluate(expr[2]);
+              case "typeof": return typeof evaluate(expr[2]);
+              case "~": return ~evaluate(expr[2]);
+              case "-": return -evaluate(expr[2]);
+              case "+": return +evaluate(expr[2]);
+            }
+            break;
+          case "binary":
+            var left = expr[2], right = expr[3];
+            switch (expr[1]) {
+              case "&&"         : return evaluate(left) &&         evaluate(right);
+              case "||"         : return evaluate(left) ||         evaluate(right);
+              case "|"          : return evaluate(left) |          evaluate(right);
+              case "&"          : return evaluate(left) &          evaluate(right);
+              case "^"          : return evaluate(left) ^          evaluate(right);
+              case "+"          : return evaluate(left) +          evaluate(right);
+              case "*"          : return evaluate(left) *          evaluate(right);
+              case "/"          : return evaluate(left) /          evaluate(right);
+              case "%"          : return evaluate(left) %          evaluate(right);
+              case "-"          : return evaluate(left) -          evaluate(right);
+              case "<<"         : return evaluate(left) <<         evaluate(right);
+              case ">>"         : return evaluate(left) >>         evaluate(right);
+              case ">>>"        : return evaluate(left) >>>        evaluate(right);
+              case "=="         : return evaluate(left) ==         evaluate(right);
+              case "==="        : return evaluate(left) ===        evaluate(right);
+              case "!="         : return evaluate(left) !=         evaluate(right);
+              case "!=="        : return evaluate(left) !==        evaluate(right);
+              case "<"          : return evaluate(left) <          evaluate(right);
+              case "<="         : return evaluate(left) <=         evaluate(right);
+              case ">"          : return evaluate(left) >          evaluate(right);
+              case ">="         : return evaluate(left) >=         evaluate(right);
+              case "in"         : return evaluate(left) in         evaluate(right);
+              case "instanceof" : return evaluate(left) instanceof evaluate(right);
+            }
+        }
+        throw $NOT_CONSTANT;
+    };
+
+    return function(expr, yes, no) {
+        try {
+            var val = evaluate(expr), ast;
+            switch (typeof val) {
+              case "string": ast =  [ "string", val ]; break;
+              case "number": ast =  [ "num", val ]; break;
+              case "boolean": ast =  [ "name", String(val) ]; break;
+              default:
+                if (val === null) { ast = [ "atom", "null" ]; break; }
+                throw new Error("Can't handle constant of type: " + (typeof val));
+            }
+            return yes.call(expr, ast, val);
+        } catch(ex) {
+            if (ex === $NOT_CONSTANT) {
+                if (expr[0] == "binary"
+                    && (expr[1] == "===" || expr[1] == "!==")
+                    && ((is_string(expr[2]) && is_string(expr[3]))
+                        || (boolean_expr(expr[2]) && boolean_expr(expr[3])))) {
+                    expr[1] = expr[1].substr(0, 2);
+                }
+                else if (no && expr[0] == "binary"
+                         && (expr[1] == "||" || expr[1] == "&&")) {
+                    // the whole expression is not constant but the lval may be...
+                    try {
+                        var lval = evaluate(expr[2]);
+                        expr = ((expr[1] == "&&" && (lval ? expr[3] : lval))    ||
+                                (expr[1] == "||" && (lval ? lval    : expr[3])) ||
+                                expr);
+                    } catch(ex2) {
+                        // IGNORE... lval is not constant
+                    }
+                }
+                return no ? no.call(expr, expr) : null;
+            }
+            else throw ex;
+        }
+    };
+
+})();
+
+function warn_unreachable(ast) {
+    if (!empty(ast))
+        warn("Dropping unreachable code: " + gen_code(ast, true));
+};
+
+function prepare_ifs(ast) {
+    var w = ast_walker(), walk = w.walk;
+    // In this first pass, we rewrite ifs which abort with no else with an
+    // if-else.  For example:
+    //
+    // if (x) {
+    //     blah();
+    //     return y;
+    // }
+    // foobar();
+    //
+    // is rewritten into:
+    //
+    // if (x) {
+    //     blah();
+    //     return y;
+    // } else {
+    //     foobar();
+    // }
+    function redo_if(statements) {
+        statements = MAP(statements, walk);
+
+        for (var i = 0; i < statements.length; ++i) {
+            var fi = statements[i];
+            if (fi[0] != "if") continue;
+
+            if (fi[3]) continue;
+
+            var t = fi[2];
+            if (!aborts(t)) continue;
+
+            var conditional = walk(fi[1]);
+
+            var e_body = redo_if(statements.slice(i + 1));
+            var e = e_body.length == 1 ? e_body[0] : [ "block", e_body ];
+
+            return statements.slice(0, i).concat([ [
+                fi[0],          // "if"
+                conditional,    // conditional
+                t,              // then
+                e               // else
+            ] ]);
+        }
+
+        return statements;
+    };
+
+    function redo_if_lambda(name, args, body) {
+        body = redo_if(body);
+        return [ this[0], name, args, body ];
+    };
+
+    function redo_if_block(statements) {
+        return [ this[0], statements != null ? redo_if(statements) : null ];
+    };
+
+    return w.with_walkers({
+        "defun": redo_if_lambda,
+        "function": redo_if_lambda,
+        "block": redo_if_block,
+        "splice": redo_if_block,
+        "toplevel": function(statements) {
+            return [ this[0], redo_if(statements) ];
+        },
+        "try": function(t, c, f) {
+            return [
+                this[0],
+                redo_if(t),
+                c != null ? [ c[0], redo_if(c[1]) ] : null,
+                f != null ? redo_if(f) : null
+            ];
+        }
+    }, function() {
+        return walk(ast);
+    });
+};
+
+function for_side_effects(ast, handler) {
+    var w = ast_walker(), walk = w.walk;
+    var $stop = {}, $restart = {};
+    function stop() { throw $stop };
+    function restart() { throw $restart };
+    function found(){ return handler.call(this, this, w, stop, restart) };
+    function unary(op) {
+        if (op == "++" || op == "--")
+            return found.apply(this, arguments);
+    };
+    function binary(op) {
+        if (op == "&&" || op == "||")
+            return found.apply(this, arguments);
+    };
+    return w.with_walkers({
+        "try": found,
+        "throw": found,
+        "return": found,
+        "new": found,
+        "switch": found,
+        "break": found,
+        "continue": found,
+        "assign": found,
+        "call": found,
+        "if": found,
+        "for": found,
+        "for-in": found,
+        "while": found,
+        "do": found,
+        "return": found,
+        "unary-prefix": unary,
+        "unary-postfix": unary,
+        "conditional": found,
+        "binary": binary,
+        "defun": found
+    }, function(){
+        while (true) try {
+            walk(ast);
+            break;
+        } catch(ex) {
+            if (ex === $stop) break;
+            if (ex === $restart) continue;
+            throw ex;
+        }
+    });
+};
+
+function ast_lift_variables(ast) {
+    var w = ast_walker(), walk = w.walk, scope;
+    function do_body(body, env) {
+        var _scope = scope;
+        scope = env;
+        body = MAP(body, walk);
+        var hash = {}, names = MAP(env.names, function(type, name){
+            if (type != "var") return MAP.skip;
+            if (!env.references(name)) return MAP.skip;
+            hash[name] = true;
+            return [ name ];
+        });
+        if (names.length > 0) {
+            // looking for assignments to any of these variables.
+            // we can save considerable space by moving the definitions
+            // in the var declaration.
+            for_side_effects([ "block", body ], function(ast, walker, stop, restart) {
+                if (ast[0] == "assign"
+                    && ast[1] === true
+                    && ast[2][0] == "name"
+                    && HOP(hash, ast[2][1])) {
+                    // insert the definition into the var declaration
+                    for (var i = names.length; --i >= 0;) {
+                        if (names[i][0] == ast[2][1]) {
+                            if (names[i][1]) // this name already defined, we must stop
+                                stop();
+                            names[i][1] = ast[3]; // definition
+                            names.push(names.splice(i, 1)[0]);
+                            break;
+                        }
+                    }
+                    // remove this assignment from the AST.
+                    var p = walker.parent();
+                    if (p[0] == "seq") {
+                        var a = p[2];
+                        a.unshift(0, p.length);
+                        p.splice.apply(p, a);
+                    }
+                    else if (p[0] == "stat") {
+                        p.splice(0, p.length, "block"); // empty statement
+                    }
+                    else {
+                        stop();
+                    }
+                    restart();
+                }
+                stop();
+            });
+            body.unshift([ "var", names ]);
+        }
+        scope = _scope;
+        return body;
+    };
+    function _vardefs(defs) {
+        var ret = null;
+        for (var i = defs.length; --i >= 0;) {
+            var d = defs[i];
+            if (!d[1]) continue;
+            d = [ "assign", true, [ "name", d[0] ], d[1] ];
+            if (ret == null) ret = d;
+            else ret = [ "seq", d, ret ];
+        }
+        if (ret == null && w.parent()[0] != "for") {
+            if (w.parent()[0] == "for-in")
+                return [ "name", defs[0][0] ];
+            return MAP.skip;
+        }
+        return [ "stat", ret ];
+    };
+    function _toplevel(body) {
+        return [ this[0], do_body(body, this.scope) ];
+    };
+    return w.with_walkers({
+        "function": function(name, args, body){
+            for (var i = args.length; --i >= 0 && !body.scope.references(args[i]);)
+                args.pop();
+            if (!body.scope.references(name)) name = null;
+            return [ this[0], name, args, do_body(body, body.scope) ];
+        },
+        "defun": function(name, args, body){
+            if (!scope.references(name)) return MAP.skip;
+            for (var i = args.length; --i >= 0 && !body.scope.references(args[i]);)
+                args.pop();
+            return [ this[0], name, args, do_body(body, body.scope) ];
+        },
+        "var": _vardefs,
+        "toplevel": _toplevel
+    }, function(){
+        return walk(ast_add_scope(ast));
+    });
+};
+
+function ast_squeeze(ast, options) {
+    ast = squeeze_1(ast, options);
+    ast = squeeze_2(ast, options);
+    return ast;
+};
+
+function squeeze_1(ast, options) {
+    options = defaults(options, {
+        make_seqs   : true,
+        dead_code   : true,
+        no_warnings : false,
+        keep_comps  : true,
+        unsafe      : false
+    });
+
+    var w = ast_walker(), walk = w.walk, scope;
+
+    function negate(c) {
+        var not_c = [ "unary-prefix", "!", c ];
+        switch (c[0]) {
+          case "unary-prefix":
+            return c[1] == "!" && boolean_expr(c[2]) ? c[2] : not_c;
+          case "seq":
+            c = slice(c);
+            c[c.length - 1] = negate(c[c.length - 1]);
+            return c;
+          case "conditional":
+            return best_of(not_c, [ "conditional", c[1], negate(c[2]), negate(c[3]) ]);
+          case "binary":
+            var op = c[1], left = c[2], right = c[3];
+            if (!options.keep_comps) switch (op) {
+              case "<="  : return [ "binary", ">", left, right ];
+              case "<"   : return [ "binary", ">=", left, right ];
+              case ">="  : return [ "binary", "<", left, right ];
+              case ">"   : return [ "binary", "<=", left, right ];
+            }
+            switch (op) {
+              case "=="  : return [ "binary", "!=", left, right ];
+              case "!="  : return [ "binary", "==", left, right ];
+              case "===" : return [ "binary", "!==", left, right ];
+              case "!==" : return [ "binary", "===", left, right ];
+              case "&&"  : return best_of(not_c, [ "binary", "||", negate(left), negate(right) ]);
+              case "||"  : return best_of(not_c, [ "binary", "&&", negate(left), negate(right) ]);
+            }
+            break;
+        }
+        return not_c;
+    };
+
+    function make_conditional(c, t, e) {
+        var make_real_conditional = function() {
+            if (c[0] == "unary-prefix" && c[1] == "!") {
+                return e ? [ "conditional", c[2], e, t ] : [ "binary", "||", c[2], t ];
+            } else {
+                return e ? best_of(
+                    [ "conditional", c, t, e ],
+                    [ "conditional", negate(c), e, t ]
+                ) : [ "binary", "&&", c, t ];
+            }
+        };
+        // shortcut the conditional if the expression has a constant value
+        return when_constant(c, function(ast, val){
+            warn_unreachable(val ? e : t);
+            return          (val ? t : e);
+        }, make_real_conditional);
+    };
+
+    function rmblock(block) {
+        if (block != null && block[0] == "block" && block[1]) {
+            if (block[1].length == 1)
+                block = block[1][0];
+            else if (block[1].length == 0)
+                block = [ "block" ];
+        }
+        return block;
+    };
+
+    function _lambda(name, args, body) {
+        return [ this[0], name, args, tighten(body, "lambda") ];
+    };
+
+    // this function does a few things:
+    // 1. discard useless blocks
+    // 2. join consecutive var declarations
+    // 3. remove obviously dead code
+    // 4. transform consecutive statements using the comma operator
+    // 5. if block_type == "lambda" and it detects constructs like if(foo) return ... - rewrite like if (!foo) { ... }
+    function tighten(statements, block_type) {
+        statements = MAP(statements, walk);
+
+        statements = statements.reduce(function(a, stat){
+            if (stat[0] == "block") {
+                if (stat[1]) {
+                    a.push.apply(a, stat[1]);
+                }
+            } else {
+                a.push(stat);
+            }
+            return a;
+        }, []);
+
+        statements = (function(a, prev){
+            statements.forEach(function(cur){
+                if (prev && ((cur[0] == "var" && prev[0] == "var") ||
+                             (cur[0] == "const" && prev[0] == "const"))) {
+                    prev[1] = prev[1].concat(cur[1]);
+                } else {
+                    a.push(cur);
+                    prev = cur;
+                }
+            });
+            return a;
+        })([]);
+
+        if (options.dead_code) statements = (function(a, has_quit){
+            statements.forEach(function(st){
+                if (has_quit) {
+                    if (st[0] == "function" || st[0] == "defun") {
+                        a.push(st);
+                    }
+                    else if (st[0] == "var" || st[0] == "const") {
+                        if (!options.no_warnings)
+                            warn("Variables declared in unreachable code");
+                        st[1] = MAP(st[1], function(def){
+                            if (def[1] && !options.no_warnings)
+                                warn_unreachable([ "assign", true, [ "name", def[0] ], def[1] ]);
+                            return [ def[0] ];
+                        });
+                        a.push(st);
+                    }
+                    else if (!options.no_warnings)
+                        warn_unreachable(st);
+                }
+                else {
+                    a.push(st);
+                    if (member(st[0], [ "return", "throw", "break", "continue" ]))
+                        has_quit = true;
+                }
+            });
+            return a;
+        })([]);
+
+        if (options.make_seqs) statements = (function(a, prev) {
+            statements.forEach(function(cur){
+                if (prev && prev[0] == "stat" && cur[0] == "stat") {
+                    prev[1] = [ "seq", prev[1], cur[1] ];
+                } else {
+                    a.push(cur);
+                    prev = cur;
+                }
+            });
+            if (a.length >= 2
+                && a[a.length-2][0] == "stat"
+                && (a[a.length-1][0] == "return" || a[a.length-1][0] == "throw")
+                && a[a.length-1][1])
+            {
+                a.splice(a.length - 2, 2,
+                         [ a[a.length-1][0],
+                           [ "seq", a[a.length-2][1], a[a.length-1][1] ]]);
+            }
+            return a;
+        })([]);
+
+        // this increases jQuery by 1K.  Probably not such a good idea after all..
+        // part of this is done in prepare_ifs anyway.
+        // if (block_type == "lambda") statements = (function(i, a, stat){
+        //         while (i < statements.length) {
+        //                 stat = statements[i++];
+        //                 if (stat[0] == "if" && !stat[3]) {
+        //                         if (stat[2][0] == "return" && stat[2][1] == null) {
+        //                                 a.push(make_if(negate(stat[1]), [ "block", statements.slice(i) ]));
+        //                                 break;
+        //                         }
+        //                         var last = last_stat(stat[2]);
+        //                         if (last[0] == "return" && last[1] == null) {
+        //                                 a.push(make_if(stat[1], [ "block", stat[2][1].slice(0, -1) ], [ "block", statements.slice(i) ]));
+        //                                 break;
+        //                         }
+        //                 }
+        //                 a.push(stat);
+        //         }
+        //         return a;
+        // })(0, []);
+
+        return statements;
+    };
+
+    function make_if(c, t, e) {
+        return when_constant(c, function(ast, val){
+            if (val) {
+                t = walk(t);
+                warn_unreachable(e);
+                return t || [ "block" ];
+            } else {
+                e = walk(e);
+                warn_unreachable(t);
+                return e || [ "block" ];
+            }
+        }, function() {
+            return make_real_if(c, t, e);
+        });
+    };
+
+    function abort_else(c, t, e) {
+        var ret = [ [ "if", negate(c), e ] ];
+        if (t[0] == "block") {
+            if (t[1]) ret = ret.concat(t[1]);
+        } else {
+            ret.push(t);
+        }
+        return walk([ "block", ret ]);
+    };
+
+    function make_real_if(c, t, e) {
+        c = walk(c);
+        t = walk(t);
+        e = walk(e);
+
+        if (empty(e) && empty(t))
+            return [ "stat", c ];
+
+        if (empty(t)) {
+            c = negate(c);
+            t = e;
+            e = null;
+        } else if (empty(e)) {
+            e = null;
+        } else {
+            // if we have both else and then, maybe it makes sense to switch them?
+            (function(){
+                var a = gen_code(c);
+                var n = negate(c);
+                var b = gen_code(n);
+                if (b.length < a.length) {
+                    var tmp = t;
+                    t = e;
+                    e = tmp;
+                    c = n;
+                }
+            })();
+        }
+        var ret = [ "if", c, t, e ];
+        if (t[0] == "if" && empty(t[3]) && empty(e)) {
+            ret = best_of(ret, walk([ "if", [ "binary", "&&", c, t[1] ], t[2] ]));
+        }
+        else if (t[0] == "stat") {
+            if (e) {
+                if (e[0] == "stat")
+                    ret = best_of(ret, [ "stat", make_conditional(c, t[1], e[1]) ]);
+                else if (aborts(e))
+                    ret = abort_else(c, t, e);
+            }
+            else {
+                ret = best_of(ret, [ "stat", make_conditional(c, t[1]) ]);
+            }
+        }
+        else if (e && t[0] == e[0] && (t[0] == "return" || t[0] == "throw") && t[1] && e[1]) {
+            ret = best_of(ret, [ t[0], make_conditional(c, t[1], e[1] ) ]);
+        }
+        else if (e && aborts(t)) {
+            ret = [ [ "if", c, t ] ];
+            if (e[0] == "block") {
+                if (e[1]) ret = ret.concat(e[1]);
+            }
+            else {
+                ret.push(e);
+            }
+            ret = walk([ "block", ret ]);
+        }
+        else if (t && aborts(e)) {
+            ret = abort_else(c, t, e);
+        }
+        return ret;
+    };
+
+    function _do_while(cond, body) {
+        return when_constant(cond, function(cond, val){
+            if (!val) {
+                warn_unreachable(body);
+                return [ "block" ];
+            } else {
+                return [ "for", null, null, null, walk(body) ];
+            }
+        });
+    };
+
+    return w.with_walkers({
+        "sub": function(expr, subscript) {
+            if (subscript[0] == "string") {
+                var name = subscript[1];
+                if (is_identifier(name))
+                    return [ "dot", walk(expr), name ];
+                else if (/^[1-9][0-9]*$/.test(name) || name === "0")
+                    return [ "sub", walk(expr), [ "num", parseInt(name, 10) ] ];
+            }
+        },
+        "if": make_if,
+        "toplevel": function(body) {
+            return [ "toplevel", tighten(body) ];
+        },
+        "switch": function(expr, body) {
+            var last = body.length - 1;
+            return [ "switch", walk(expr), MAP(body, function(branch, i){
+                var block = tighten(branch[1]);
+                if (i == last && block.length > 0) {
+                    var node = block[block.length - 1];
+                    if (node[0] == "break" && !node[1])
+                        block.pop();
+                }
+                return [ branch[0] ? walk(branch[0]) : null, block ];
+            }) ];
+        },
+        "function": _lambda,
+        "defun": _lambda,
+        "block": function(body) {
+            if (body) return rmblock([ "block", tighten(body) ]);
+        },
+        "binary": function(op, left, right) {
+            return when_constant([ "binary", op, walk(left), walk(right) ], function yes(c){
+                return best_of(walk(c), this);
+            }, function no() {
+                return function(){
+                    if(op != "==" && op != "!=") return;
+                    var l = walk(left), r = walk(right);
+                    if(l && l[0] == "unary-prefix" && l[1] == "!" && l[2][0] == "num")
+                        left = ['num', +!l[2][1]];
+                    else if (r && r[0] == "unary-prefix" && r[1] == "!" && r[2][0] == "num")
+                        right = ['num', +!r[2][1]];
+                    return ["binary", op, left, right];
+                }() || this;
+            });
+        },
+        "conditional": function(c, t, e) {
+            return make_conditional(walk(c), walk(t), walk(e));
+        },
+        "try": function(t, c, f) {
+            return [
+                "try",
+                tighten(t),
+                c != null ? [ c[0], tighten(c[1]) ] : null,
+                f != null ? tighten(f) : null
+            ];
+        },
+        "unary-prefix": function(op, expr) {
+            expr = walk(expr);
+            var ret = [ "unary-prefix", op, expr ];
+            if (op == "!")
+                ret = best_of(ret, negate(expr));
+            return when_constant(ret, function(ast, val){
+                return walk(ast); // it's either true or false, so minifies to !0 or !1
+            }, function() { return ret });
+        },
+        "name": function(name) {
+            switch (name) {
+              case "true": return [ "unary-prefix", "!", [ "num", 0 ]];
+              case "false": return [ "unary-prefix", "!", [ "num", 1 ]];
+            }
+        },
+        "while": _do_while,
+        "assign": function(op, lvalue, rvalue) {
+            lvalue = walk(lvalue);
+            rvalue = walk(rvalue);
+            var okOps = [ '+', '-', '/', '*', '%', '>>', '<<', '>>>', '|', '^', '&' ];
+            if (op === true && lvalue[0] === "name" && rvalue[0] === "binary" &&
+                ~okOps.indexOf(rvalue[1]) && rvalue[2][0] === "name" &&
+                rvalue[2][1] === lvalue[1]) {
+                return [ this[0], rvalue[1], lvalue, rvalue[3] ]
+            }
+            return [ this[0], op, lvalue, rvalue ];
+        },
+        "call": function(expr, args) {
+            expr = walk(expr);
+            if (options.unsafe && expr[0] == "dot" && expr[1][0] == "string" && expr[2] == "toString") {
+                return expr[1];
+            }
+            return [ this[0], expr,  MAP(args, walk) ];
+        },
+        "num": function (num) {
+            if (!isFinite(num))
+                return [ "binary", "/", num === 1 / 0
+                         ? [ "num", 1 ] : num === -1 / 0
+                         ? [ "unary-prefix", "-", [ "num", 1 ] ]
+                         : [ "num", 0 ], [ "num", 0 ] ];
+
+            return [ this[0], num ];
+        }
+    }, function() {
+        return walk(prepare_ifs(walk(prepare_ifs(ast))));
+    });
+};
+
+function squeeze_2(ast, options) {
+    var w = ast_walker(), walk = w.walk, scope;
+    function with_scope(s, cont) {
+        var save = scope, ret;
+        scope = s;
+        ret = cont();
+        scope = save;
+        return ret;
+    };
+    function lambda(name, args, body) {
+        return [ this[0], name, args, with_scope(body.scope, curry(MAP, body, walk)) ];
+    };
+    return w.with_walkers({
+        "directive": function(dir) {
+            if (scope.active_directive(dir))
+                return [ "block" ];
+            scope.directives.push(dir);
+        },
+        "toplevel": function(body) {
+            return [ this[0], with_scope(this.scope, curry(MAP, body, walk)) ];
+        },
+        "function": lambda,
+        "defun": lambda
+    }, function(){
+        return walk(ast_add_scope(ast));
+    });
+};
+
+/* -----[ re-generate code from the AST ]----- */
+
+var DOT_CALL_NO_PARENS = jsp.array_to_hash([
+    "name",
+    "array",
+    "object",
+    "string",
+    "dot",
+    "sub",
+    "call",
+    "regexp",
+    "defun"
+]);
+
+function make_string(str, ascii_only) {
+    var dq = 0, sq = 0;
+    str = str.replace(/[\\\b\f\n\r\t\x22\x27\u2028\u2029\0]/g, function(s){
+        switch (s) {
+          case "\\": return "\\\\";
+          case "\b": return "\\b";
+          case "\f": return "\\f";
+          case "\n": return "\\n";
+          case "\r": return "\\r";
+          case "\u2028": return "\\u2028";
+          case "\u2029": return "\\u2029";
+          case '"': ++dq; return '"';
+          case "'": ++sq; return "'";
+          case "\0": return "\\0";
+        }
+        return s;
+    });
+    if (ascii_only) str = to_ascii(str);
+    if (dq > sq) return "'" + str.replace(/\x27/g, "\\'") + "'";
+    else return '"' + str.replace(/\x22/g, '\\"') + '"';
+};
+
+function to_ascii(str) {
+    return str.replace(/[\u0080-\uffff]/g, function(ch) {
+        var code = ch.charCodeAt(0).toString(16);
+        while (code.length < 4) code = "0" + code;
+        return "\\u" + code;
+    });
+};
+
+var SPLICE_NEEDS_BRACKETS = jsp.array_to_hash([ "if", "while", "do", "for", "for-in", "with" ]);
+
+function gen_code(ast, options) {
+    options = defaults(options, {
+        indent_start : 0,
+        indent_level : 4,
+        quote_keys   : false,
+        space_colon  : false,
+        beautify     : false,
+        ascii_only   : false,
+        inline_script: false
+    });
+    var beautify = !!options.beautify;
+    var indentation = 0,
+    newline = beautify ? "\n" : "",
+    space = beautify ? " " : "";
+
+    function encode_string(str) {
+        var ret = make_string(str, options.ascii_only);
+        if (options.inline_script)
+            ret = ret.replace(/<\x2fscript([>\/\t\n\f\r ])/gi, "<\\/script$1");
+        return ret;
+    };
+
+    function make_name(name) {
+        name = name.toString();
+        if (options.ascii_only)
+            name = to_ascii(name);
+        return name;
+    };
+
+    function indent(line) {
+        if (line == null)
+            line = "";
+        if (beautify)
+            line = repeat_string(" ", options.indent_start + indentation * options.indent_level) + line;
+        return line;
+    };
+
+    function with_indent(cont, incr) {
+        if (incr == null) incr = 1;
+        indentation += incr;
+        try { return cont.apply(null, slice(arguments, 1)); }
+        finally { indentation -= incr; }
+    };
+
+    function last_char(str) {
+        str = str.toString();
+        return str.charAt(str.length - 1);
+    };
+
+    function first_char(str) {
+        return str.toString().charAt(0);
+    };
+
+    function add_spaces(a) {
+        if (beautify)
+            return a.join(" ");
+        var b = [];
+        for (var i = 0; i < a.length; ++i) {
+            var next = a[i + 1];
+            b.push(a[i]);
+            if (next &&
+                ((is_identifier_char(last_char(a[i])) && (is_identifier_char(first_char(next))
+                                                          || first_char(next) == "\\")) ||
+                 (/[\+\-]$/.test(a[i].toString()) && /^[\+\-]/.test(next.toString()) ||
+                 last_char(a[i]) == "/" && first_char(next) == "/"))) {
+                b.push(" ");
+            }
+        }
+        return b.join("");
+    };
+
+    function add_commas(a) {
+        return a.join("," + space);
+    };
+
+    function parenthesize(expr) {
+        var gen = make(expr);
+        for (var i = 1; i < arguments.length; ++i) {
+            var el = arguments[i];
+            if ((el instanceof Function && el(expr)) || expr[0] == el)
+                return "(" + gen + ")";
+        }
+        return gen;
+    };
+
+    function best_of(a) {
+        if (a.length == 1) {
+            return a[0];
+        }
+        if (a.length == 2) {
+            var b = a[1];
+            a = a[0];
+            return a.length <= b.length ? a : b;
+        }
+        return best_of([ a[0], best_of(a.slice(1)) ]);
+    };
+
+    function needs_parens(expr) {
+        if (expr[0] == "function" || expr[0] == "object") {
+            // dot/call on a literal function requires the
+            // function literal itself to be parenthesized
+            // only if it's the first "thing" in a
+            // statement.  This means that the parent is
+            // "stat", but it could also be a "seq" and
+            // we're the first in this "seq" and the
+            // parent is "stat", and so on.  Messy stuff,
+            // but it worths the trouble.
+            var a = slice(w.stack()), self = a.pop(), p = a.pop();
+            while (p) {
+                if (p[0] == "stat") return true;
+                if (((p[0] == "seq" || p[0] == "call" || p[0] == "dot" || p[0] == "sub" || p[0] == "conditional") && p[1] === self) ||
+                    ((p[0] == "binary" || p[0] == "assign" || p[0] == "unary-postfix") && p[2] === self)) {
+                    self = p;
+                    p = a.pop();
+                } else {
+                    return false;
+                }
+            }
+        }
+        return !HOP(DOT_CALL_NO_PARENS, expr[0]);
+    };
+
+    function make_num(num) {
+        var str = num.toString(10), a = [ str.replace(/^0\./, ".").replace('e+', 'e') ], m;
+        if (Math.floor(num) === num) {
+            if (num >= 0) {
+                a.push("0x" + num.toString(16).toLowerCase(), // probably pointless
+                       "0" + num.toString(8)); // same.
+            } else {
+                a.push("-0x" + (-num).toString(16).toLowerCase(), // probably pointless
+                       "-0" + (-num).toString(8)); // same.
+            }
+            if ((m = /^(.*?)(0+)$/.exec(num))) {
+                a.push(m[1] + "e" + m[2].length);
+            }
+        } else if ((m = /^0?\.(0+)(.*)$/.exec(num))) {
+            a.push(m[2] + "e-" + (m[1].length + m[2].length),
+                   str.substr(str.indexOf(".")));
+        }
+        return best_of(a);
+    };
+
+    var w = ast_walker();
+    var make = w.walk;
+    return w.with_walkers({
+        "string": encode_string,
+        "num": make_num,
+        "name": make_name,
+        "debugger": function(){ return "debugger;" },
+        "toplevel": function(statements) {
+            return make_block_statements(statements)
+                .join(newline + newline);
+        },
+        "splice": function(statements) {
+            var parent = w.parent();
+            if (HOP(SPLICE_NEEDS_BRACKETS, parent)) {
+                // we need block brackets in this case
+                return make_block.apply(this, arguments);
+            } else {
+                return MAP(make_block_statements(statements, true),
+                           function(line, i) {
+                               // the first line is already indented
+                               return i > 0 ? indent(line) : line;
+                           }).join(newline);
+            }
+        },
+        "block": make_block,
+        "var": function(defs) {
+            return "var " + add_commas(MAP(defs, make_1vardef)) + ";";
+        },
+        "const": function(defs) {
+            return "const " + add_commas(MAP(defs, make_1vardef)) + ";";
+        },
+        "try": function(tr, ca, fi) {
+            var out = [ "try", make_block(tr) ];
+            if (ca) out.push("catch", "(" + ca[0] + ")", make_block(ca[1]));
+            if (fi) out.push("finally", make_block(fi));
+            return add_spaces(out);
+        },
+        "throw": function(expr) {
+            return add_spaces([ "throw", make(expr) ]) + ";";
+        },
+        "new": function(ctor, args) {
+            args = args.length > 0 ? "(" + add_commas(MAP(args, function(expr){
+                return parenthesize(expr, "seq");
+            })) + ")" : "";
+            return add_spaces([ "new", parenthesize(ctor, "seq", "binary", "conditional", "assign", function(expr){
+                var w = ast_walker(), has_call = {};
+                try {
+                    w.with_walkers({
+                        "call": function() { throw has_call },
+                        "function": function() { return this }
+                    }, function(){
+                        w.walk(expr);
+                    });
+                } catch(ex) {
+                    if (ex === has_call)
+                        return true;
+                    throw ex;
+                }
+            }) + args ]);
+        },
+        "switch": function(expr, body) {
+            return add_spaces([ "switch", "(" + make(expr) + ")", make_switch_block(body) ]);
+        },
+        "break": function(label) {
+            var out = "break";
+            if (label != null)
+                out += " " + make_name(label);
+            return out + ";";
+        },
+        "continue": function(label) {
+            var out = "continue";
+            if (label != null)
+                out += " " + make_name(label);
+            return out + ";";
+        },
+        "conditional": function(co, th, el) {
+            return add_spaces([ parenthesize(co, "assign", "seq", "conditional"), "?",
+                                parenthesize(th, "seq"), ":",
+                                parenthesize(el, "seq") ]);
+        },
+        "assign": function(op, lvalue, rvalue) {
+            if (op && op !== true) op += "=";
+            else op = "=";
+            return add_spaces([ make(lvalue), op, parenthesize(rvalue, "seq") ]);
+        },
+        "dot": function(expr) {
+            var out = make(expr), i = 1;
+            if (expr[0] == "num") {
+                if (!/[a-f.]/i.test(out))
+                    out += ".";
+            } else if (expr[0] != "function" && needs_parens(expr))
+                out = "(" + out + ")";
+            while (i < arguments.length)
+                out += "." + make_name(arguments[i++]);
+            return out;
+        },
+        "call": function(func, args) {
+            var f = make(func);
+            if (f.charAt(0) != "(" && needs_parens(func))
+                f = "(" + f + ")";
+            return f + "(" + add_commas(MAP(args, function(expr){
+                return parenthesize(expr, "seq");
+            })) + ")";
+        },
+        "function": make_function,
+        "defun": make_function,
+        "if": function(co, th, el) {
+            var out = [ "if", "(" + make(co) + ")", el ? make_then(th) : make(th) ];
+            if (el) {
+                out.push("else", make(el));
+            }
+            return add_spaces(out);
+        },
+        "for": function(init, cond, step, block) {
+            var out = [ "for" ];
+            init = (init != null ? make(init) : "").replace(/;*\s*$/, ";" + space);
+            cond = (cond != null ? make(cond) : "").replace(/;*\s*$/, ";" + space);
+            step = (step != null ? make(step) : "").replace(/;*\s*$/, "");
+            var args = init + cond + step;
+            if (args == "; ; ") args = ";;";
+            out.push("(" + args + ")", make(block));
+            return add_spaces(out);
+        },
+        "for-in": function(vvar, key, hash, block) {
+            return add_spaces([ "for", "(" +
+                                (vvar ? make(vvar).replace(/;+$/, "") : make(key)),
+                                "in",
+                                make(hash) + ")", make(block) ]);
+        },
+        "while": function(condition, block) {
+            return add_spaces([ "while", "(" + make(condition) + ")", make(block) ]);
+        },
+        "do": function(condition, block) {
+            return add_spaces([ "do", make(block), "while", "(" + make(condition) + ")" ]) + ";";
+        },
+        "return": function(expr) {
+            var out = [ "return" ];
+            if (expr != null) out.push(make(expr));
+            return add_spaces(out) + ";";
+        },
+        "binary": function(operator, lvalue, rvalue) {
+            var left = make(lvalue), right = make(rvalue);
+            // XXX: I'm pretty sure other cases will bite here.
+            //      we need to be smarter.
+            //      adding parens all the time is the safest bet.
+            if (member(lvalue[0], [ "assign", "conditional", "seq" ]) ||
+                lvalue[0] == "binary" && PRECEDENCE[operator] > PRECEDENCE[lvalue[1]] ||
+                lvalue[0] == "function" && needs_parens(this)) {
+                left = "(" + left + ")";
+            }
+            if (member(rvalue[0], [ "assign", "conditional", "seq" ]) ||
+                rvalue[0] == "binary" && PRECEDENCE[operator] >= PRECEDENCE[rvalue[1]] &&
+                !(rvalue[1] == operator && member(operator, [ "&&", "||", "*" ]))) {
+                right = "(" + right + ")";
+            }
+            else if (!beautify && options.inline_script && (operator == "<" || operator == "<<")
+                     && rvalue[0] == "regexp" && /^script/i.test(rvalue[1])) {
+                right = " " + right;
+            }
+            return add_spaces([ left, operator, right ]);
+        },
+        "unary-prefix": function(operator, expr) {
+            var val = make(expr);
+            if (!(expr[0] == "num" || (expr[0] == "unary-prefix" && !HOP(OPERATORS, operator + expr[1])) || !needs_parens(expr)))
+                val = "(" + val + ")";
+            return operator + (jsp.is_alphanumeric_char(operator.charAt(0)) ? " " : "") + val;
+        },
+        "unary-postfix": function(operator, expr) {
+            var val = make(expr);
+            if (!(expr[0] == "num" || (expr[0] == "unary-postfix" && !HOP(OPERATORS, operator + expr[1])) || !needs_parens(expr)))
+                val = "(" + val + ")";
+            return val + operator;
+        },
+        "sub": function(expr, subscript) {
+            var hash = make(expr);
+            if (needs_parens(expr))
+                hash = "(" + hash + ")";
+            return hash + "[" + make(subscript) + "]";
+        },
+        "object": function(props) {
+            var obj_needs_parens = needs_parens(this);
+            if (props.length == 0)
+                return obj_needs_parens ? "({})" : "{}";
+            var out = "{" + newline + with_indent(function(){
+                return MAP(props, function(p){
+                    if (p.length == 3) {
+                        // getter/setter.  The name is in p[0], the arg.list in p[1][2], the
+                        // body in p[1][3] and type ("get" / "set") in p[2].
+                        return indent(make_function(p[0], p[1][2], p[1][3], p[2], true));
+                    }
+                    var key = p[0], val = parenthesize(p[1], "seq");
+                    if (options.quote_keys) {
+                        key = encode_string(key);
+                    } else if ((typeof key == "number" || !beautify && +key + "" == key)
+                               && parseFloat(key) >= 0) {
+                        key = make_num(+key);
+                    } else if (!is_identifier(key)) {
+                        key = encode_string(key);
+                    }
+                    return indent(add_spaces(beautify && options.space_colon
+                                             ? [ key, ":", val ]
+                                             : [ key + ":", val ]));
+                }).join("," + newline);
+            }) + newline + indent("}");
+            return obj_needs_parens ? "(" + out + ")" : out;
+        },
+        "regexp": function(rx, mods) {
+            if (options.ascii_only) rx = to_ascii(rx);
+            return "/" + rx + "/" + mods;
+        },
+        "array": function(elements) {
+            if (elements.length == 0) return "[]";
+            return add_spaces([ "[", add_commas(MAP(elements, function(el, i){
+                if (!beautify && el[0] == "atom" && el[1] == "undefined") return i === elements.length - 1 ? "," : "";
+                return parenthesize(el, "seq");
+            })), "]" ]);
+        },
+        "stat": function(stmt) {
+            return stmt != null
+                ? make(stmt).replace(/;*\s*$/, ";")
+                : ";";
+        },
+        "seq": function() {
+            return add_commas(MAP(slice(arguments), make));
+        },
+        "label": function(name, block) {
+            return add_spaces([ make_name(name), ":", make(block) ]);
+        },
+        "with": function(expr, block) {
+            return add_spaces([ "with", "(" + make(expr) + ")", make(block) ]);
+        },
+        "atom": function(name) {
+            return make_name(name);
+        },
+        "directive": function(dir) {
+            return make_string(dir) + ";";
+        }
+    }, function(){ return make(ast) });
+
+    // The squeezer replaces "block"-s that contain only a single
+    // statement with the statement itself; technically, the AST
+    // is correct, but this can create problems when we output an
+    // IF having an ELSE clause where the THEN clause ends in an
+    // IF *without* an ELSE block (then the outer ELSE would refer
+    // to the inner IF).  This function checks for this case and
+    // adds the block brackets if needed.
+    function make_then(th) {
+        if (th == null) return ";";
+        if (th[0] == "do") {
+            // https://github.com/mishoo/UglifyJS/issues/#issue/57
+            // IE croaks with "syntax error" on code like this:
+            //     if (foo) do ... while(cond); else ...
+            // we need block brackets around do/while
+            return make_block([ th ]);
+        }
+        var b = th;
+        while (true) {
+            var type = b[0];
+            if (type == "if") {
+                if (!b[3])
+                    // no else, we must add the block
+                    return make([ "block", [ th ]]);
+                b = b[3];
+            }
+            else if (type == "while" || type == "do") b = b[2];
+            else if (type == "for" || type == "for-in") b = b[4];
+            else break;
+        }
+        return make(th);
+    };
+
+    function make_function(name, args, body, keyword, no_parens) {
+        var out = keyword || "function";
+        if (name) {
+            out += " " + make_name(name);
+        }
+        out += "(" + add_commas(MAP(args, make_name)) + ")";
+        out = add_spaces([ out, make_block(body) ]);
+        return (!no_parens && needs_parens(this)) ? "(" + out + ")" : out;
+    };
+
+    function must_has_semicolon(node) {
+        switch (node[0]) {
+          case "with":
+          case "while":
+            return empty(node[2]) || must_has_semicolon(node[2]);
+          case "for":
+          case "for-in":
+            return empty(node[4]) || must_has_semicolon(node[4]);
+          case "if":
+            if (empty(node[2]) && !node[3]) return true; // `if' with empty `then' and no `else'
+            if (node[3]) {
+                if (empty(node[3])) return true; // `else' present but empty
+                return must_has_semicolon(node[3]); // dive into the `else' branch
+            }
+            return must_has_semicolon(node[2]); // dive into the `then' branch
+          case "directive":
+            return true;
+        }
+    };
+
+    function make_block_statements(statements, noindent) {
+        for (var a = [], last = statements.length - 1, i = 0; i <= last; ++i) {
+            var stat = statements[i];
+            var code = make(stat);
+            if (code != ";") {
+                if (!beautify && i == last && !must_has_semicolon(stat)) {
+                    code = code.replace(/;+\s*$/, "");
+                }
+                a.push(code);
+            }
+        }
+        return noindent ? a : MAP(a, indent);
+    };
+
+    function make_switch_block(body) {
+        var n = body.length;
+        if (n == 0) return "{}";
+        return "{" + newline + MAP(body, function(branch, i){
+            var has_body = branch[1].length > 0, code = with_indent(function(){
+                return indent(branch[0]
+                              ? add_spaces([ "case", make(branch[0]) + ":" ])
+                              : "default:");
+            }, 0.5) + (has_body ? newline + with_indent(function(){
+                return make_block_statements(branch[1]).join(newline);
+            }) : "");
+            if (!beautify && has_body && i < n - 1)
+                code += ";";
+            return code;
+        }).join(newline) + newline + indent("}");
+    };
+
+    function make_block(statements) {
+        if (!statements) return ";";
+        if (statements.length == 0) return "{}";
+        return "{" + newline + with_indent(function(){
+            return make_block_statements(statements).join(newline);
+        }) + newline + indent("}");
+    };
+
+    function make_1vardef(def) {
+        var name = def[0], val = def[1];
+        if (val != null)
+            name = add_spaces([ make_name(name), "=", parenthesize(val, "seq") ]);
+        return name;
+    };
+
+};
+
+function split_lines(code, max_line_length) {
+    var splits = [ 0 ];
+    jsp.parse(function(){
+        var next_token = jsp.tokenizer(code);
+        var last_split = 0;
+        var prev_token;
+        function current_length(tok) {
+            return tok.pos - last_split;
+        };
+        function split_here(tok) {
+            last_split = tok.pos;
+            splits.push(last_split);
+        };
+        function custom(){
+            var tok = next_token.apply(this, arguments);
+            out: {
+                if (prev_token) {
+                    if (prev_token.type == "keyword") break out;
+                }
+                if (current_length(tok) > max_line_length) {
+                    switch (tok.type) {
+                      case "keyword":
+                      case "atom":
+                      case "name":
+                      case "punc":
+                        split_here(tok);
+                        break out;
+                    }
+                }
+            }
+            prev_token = tok;
+            return tok;
+        };
+        custom.context = function() {
+            return next_token.context.apply(this, arguments);
+        };
+        return custom;
+    }());
+    return splits.map(function(pos, i){
+        return code.substring(pos, splits[i + 1] || code.length);
+    }).join("\n");
+};
+
+/* -----[ Utilities ]----- */
+
+function repeat_string(str, i) {
+    if (i <= 0) return "";
+    if (i == 1) return str;
+    var d = repeat_string(str, i >> 1);
+    d += d;
+    if (i & 1) d += str;
+    return d;
+};
+
+function defaults(args, defs) {
+    var ret = {};
+    if (args === true)
+        args = {};
+    for (var i in defs) if (HOP(defs, i)) {
+        ret[i] = (args && HOP(args, i)) ? args[i] : defs[i];
+    }
+    return ret;
+};
+
+function is_identifier(name) {
+    return /^[a-z_$][a-z0-9_$]*$/i.test(name)
+        && name != "this"
+        && !HOP(jsp.KEYWORDS_ATOM, name)
+        && !HOP(jsp.RESERVED_WORDS, name)
+        && !HOP(jsp.KEYWORDS, name);
+};
+
+function HOP(obj, prop) {
+    return Object.prototype.hasOwnProperty.call(obj, prop);
+};
+
+// some utilities
+
+var MAP;
+
+(function(){
+    MAP = function(a, f, o) {
+        var ret = [], top = [], i;
+        function doit() {
+            var val = f.call(o, a[i], i);
+            if (val instanceof AtTop) {
+                val = val.v;
+                if (val instanceof Splice) {
+                    top.push.apply(top, val.v);
+                } else {
+                    top.push(val);
+                }
+            }
+            else if (val != skip) {
+                if (val instanceof Splice) {
+                    ret.push.apply(ret, val.v);
+                } else {
+                    ret.push(val);
+                }
+            }
+        };
+        if (a instanceof Array) for (i = 0; i < a.length; ++i) doit();
+        else for (i in a) if (HOP(a, i)) doit();
+        return top.concat(ret);
+    };
+    MAP.at_top = function(val) { return new AtTop(val) };
+    MAP.splice = function(val) { return new Splice(val) };
+    var skip = MAP.skip = {};
+    function AtTop(val) { this.v = val };
+    function Splice(val) { this.v = val };
+})();
+
+/* -----[ Exports ]----- */
+
+exports.ast_walker = ast_walker;
+exports.ast_mangle = ast_mangle;
+exports.ast_squeeze = ast_squeeze;
+exports.ast_lift_variables = ast_lift_variables;
+exports.gen_code = gen_code;
+exports.ast_add_scope = ast_add_scope;
+exports.set_logger = function(logger) { warn = logger };
+exports.make_string = make_string;
+exports.split_lines = split_lines;
+exports.MAP = MAP;
+
+// keep this last!
+exports.ast_squeeze_more = require("./squeeze-more").ast_squeeze_more;
+
+// Local variables:
+// js-indent-level: 4
+// End:
+});
+define('uglifyjs/index', ["require", "exports", "module", "./parse-js", "./process", "./consolidator"], function(require, exports, module) {
+//convienence function(src, [options]);
+function uglify(orig_code, options){
+  options || (options = {});
+  var jsp = uglify.parser;
+  var pro = uglify.uglify;
+
+  var ast = jsp.parse(orig_code, options.strict_semicolons); // parse code and get the initial AST
+  ast = pro.ast_mangle(ast, options.mangle_options); // get a new AST with mangled names
+  ast = pro.ast_squeeze(ast, options.squeeze_options); // get an AST with compression optimizations
+  var final_code = pro.gen_code(ast, options.gen_options); // compressed code here
+  return final_code;
+};
+
+uglify.parser = require("./parse-js");
+uglify.uglify = require("./process");
+uglify.consolidator = require("./consolidator");
+
+module.exports = uglify
+});/* -*- Mode: js; js-indent-level: 2; -*- */
+/*
+ * Copyright 2011 Mozilla Foundation and contributors
+ * Licensed under the New BSD license. See LICENSE or:
+ * http://opensource.org/licenses/BSD-3-Clause
+ */
+
+define('source-map/array-set', function (require, exports, module) {
+
+  /**
+   * A data structure which is a combination of an array and a set. Adding a new
+   * member is O(1), testing for membership is O(1), and finding the index of an
+   * element is O(1). Removing elements from the set is not supported. Only
+   * strings are supported for membership.
+   */
+  function ArraySet() {
+    this._array = [];
+    this._set = {};
+  }
+
+  /**
+   * Static method for creating ArraySet instances from an existing array.
+   */
+  ArraySet.fromArray = function ArraySet_fromArray(aArray) {
+    var set = new ArraySet();
+    for (var i = 0, len = aArray.length; i < len; i++) {
+      set.add(aArray[i]);
+    }
+    return set;
+  };
+
+  /**
+   * Because behavior goes wacky when you set `__proto__` on `this._set`, we
+   * have to prefix all the strings in our set with an arbitrary character.
+   *
+   * See https://github.com/mozilla/source-map/pull/31 and
+   * https://github.com/mozilla/source-map/issues/30
+   *
+   * @param String aStr
+   */
+  ArraySet.prototype._toSetString = function ArraySet__toSetString (aStr) {
+    return "$" + aStr;
+  };
+
+  /**
+   * Add the given string to this set.
+   *
+   * @param String aStr
+   */
+  ArraySet.prototype.add = function ArraySet_add(aStr) {
+    if (this.has(aStr)) {
+      // Already a member; nothing to do.
+      return;
+    }
+    var idx = this._array.length;
+    this._array.push(aStr);
+    this._set[this._toSetString(aStr)] = idx;
+  };
+
+  /**
+   * Is the given string a member of this set?
+   *
+   * @param String aStr
+   */
+  ArraySet.prototype.has = function ArraySet_has(aStr) {
+    return Object.prototype.hasOwnProperty.call(this._set,
+                                                this._toSetString(aStr));
+  };
+
+  /**
+   * What is the index of the given string in the array?
+   *
+   * @param String aStr
+   */
+  ArraySet.prototype.indexOf = function ArraySet_indexOf(aStr) {
+    if (this.has(aStr)) {
+      return this._set[this._toSetString(aStr)];
+    }
+    throw new Error('"' + aStr + '" is not in the set.');
+  };
+
+  /**
+   * What is the element at the given index?
+   *
+   * @param Number aIdx
+   */
+  ArraySet.prototype.at = function ArraySet_at(aIdx) {
+    if (aIdx >= 0 && aIdx < this._array.length) {
+      return this._array[aIdx];
+    }
+    throw new Error('No element indexed by ' + aIdx);
+  };
+
+  /**
+   * Returns the array representation of this set (which has the proper indices
+   * indicated by indexOf). Note that this is a copy of the internal array used
+   * for storing the members so that no one can mess with internal state.
+   */
+  ArraySet.prototype.toArray = function ArraySet_toArray() {
+    return this._array.slice();
+  };
+
+  exports.ArraySet = ArraySet;
+
+});
+/* -*- Mode: js; js-indent-level: 2; -*- */
+/*
+ * Copyright 2011 Mozilla Foundation and contributors
+ * Licensed under the New BSD license. See LICENSE or:
+ * http://opensource.org/licenses/BSD-3-Clause
+ *
+ * Based on the Base 64 VLQ implementation in Closure Compiler:
+ * https://code.google.com/p/closure-compiler/source/browse/trunk/src/com/google/debugging/sourcemap/Base64VLQ.java
+ *
+ * Copyright 2011 The Closure Compiler Authors. All rights reserved.
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ *
+ *  * Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ *  * Redistributions in binary form must reproduce the above
+ *    copyright notice, this list of conditions and the following
+ *    disclaimer in the documentation and/or other materials provided
+ *    with the distribution.
+ *  * Neither the name of Google Inc. nor the names of its
+ *    contributors may be used to endorse or promote products derived
+ *    from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+define('source-map/base64-vlq', function (require, exports, module) {
+
+  var base64 = require('./base64');
+
+  // A single base 64 digit can contain 6 bits of data. For the base 64 variable
+  // length quantities we use in the source map spec, the first bit is the sign,
+  // the next four bits are the actual value, and the 6th bit is the
+  // continuation bit. The continuation bit tells us whether there are more
+  // digits in this value following this digit.
+  //
+  //   Continuation
+  //   |    Sign
+  //   |    |
+  //   V    V
+  //   101011
+
+  var VLQ_BASE_SHIFT = 5;
+
+  // binary: 100000
+  var VLQ_BASE = 1 << VLQ_BASE_SHIFT;
+
+  // binary: 011111
+  var VLQ_BASE_MASK = VLQ_BASE - 1;
+
+  // binary: 100000
+  var VLQ_CONTINUATION_BIT = VLQ_BASE;
+
+  /**
+   * Converts from a two-complement value to a value where the sign bit is
+   * is placed in the least significant bit.  For example, as decimals:
+   *   1 becomes 2 (10 binary), -1 becomes 3 (11 binary)
+   *   2 becomes 4 (100 binary), -2 becomes 5 (101 binary)
+   */
+  function toVLQSigned(aValue) {
+    return aValue < 0
+      ? ((-aValue) << 1) + 1
+      : (aValue << 1) + 0;
+  }
+
+  /**
+   * Converts to a two-complement value from a value where the sign bit is
+   * is placed in the least significant bit.  For example, as decimals:
+   *   2 (10 binary) becomes 1, 3 (11 binary) becomes -1
+   *   4 (100 binary) becomes 2, 5 (101 binary) becomes -2
+   */
+  function fromVLQSigned(aValue) {
+    var isNegative = (aValue & 1) === 1;
+    var shifted = aValue >> 1;
+    return isNegative
+      ? -shifted
+      : shifted;
+  }
+
+  /**
+   * Returns the base 64 VLQ encoded value.
+   */
+  exports.encode = function base64VLQ_encode(aValue) {
+    var encoded = "";
+    var digit;
+
+    var vlq = toVLQSigned(aValue);
+
+    do {
+      digit = vlq & VLQ_BASE_MASK;
+      vlq >>>= VLQ_BASE_SHIFT;
+      if (vlq > 0) {
+        // There are still more digits in this value, so we must make sure the
+        // continuation bit is marked.
+        digit |= VLQ_CONTINUATION_BIT;
+      }
+      encoded += base64.encode(digit);
+    } while (vlq > 0);
+
+    return encoded;
+  };
+
+  /**
+   * Decodes the next base 64 VLQ value from the given string and returns the
+   * value and the rest of the string.
+   */
+  exports.decode = function base64VLQ_decode(aStr) {
+    var i = 0;
+    var strLen = aStr.length;
+    var result = 0;
+    var shift = 0;
+    var continuation, digit;
+
+    do {
+      if (i >= strLen) {
+        throw new Error("Expected more digits in base 64 VLQ value.");
+      }
+      digit = base64.decode(aStr.charAt(i++));
+      continuation = !!(digit & VLQ_CONTINUATION_BIT);
+      digit &= VLQ_BASE_MASK;
+      result = result + (digit << shift);
+      shift += VLQ_BASE_SHIFT;
+    } while (continuation);
+
+    return {
+      value: fromVLQSigned(result),
+      rest: aStr.slice(i)
+    };
+  };
+
+});
+/* -*- Mode: js; js-indent-level: 2; -*- */
+/*
+ * Copyright 2011 Mozilla Foundation and contributors
+ * Licensed under the New BSD license. See LICENSE or:
+ * http://opensource.org/licenses/BSD-3-Clause
+ */
+
+define('source-map/base64', function (require, exports, module) {
+
+  var charToIntMap = {};
+  var intToCharMap = {};
+
+  'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/'
+    .split('')
+    .forEach(function (ch, index) {
+      charToIntMap[ch] = index;
+      intToCharMap[index] = ch;
+    });
+
+  /**
+   * Encode an integer in the range of 0 to 63 to a single base 64 digit.
+   */
+  exports.encode = function base64_encode(aNumber) {
+    if (aNumber in intToCharMap) {
+      return intToCharMap[aNumber];
+    }
+    throw new TypeError("Must be between 0 and 63: " + aNumber);
+  };
+
+  /**
+   * Decode a single base 64 digit to an integer.
+   */
+  exports.decode = function base64_decode(aChar) {
+    if (aChar in charToIntMap) {
+      return charToIntMap[aChar];
+    }
+    throw new TypeError("Not a valid base 64 digit: " + aChar);
+  };
+
+});
+/* -*- Mode: js; js-indent-level: 2; -*- */
+/*
+ * Copyright 2011 Mozilla Foundation and contributors
+ * Licensed under the New BSD license. See LICENSE or:
+ * http://opensource.org/licenses/BSD-3-Clause
+ */
+
+define('source-map/binary-search', function (require, exports, module) {
+
+  /**
+   * Recursive implementation of binary search.
+   *
+   * @param aLow Indices here and lower do not contain the needle.
+   * @param aHigh Indices here and higher do not contain the needle.
+   * @param aNeedle The element being searched for.
+   * @param aHaystack The non-empty array being searched.
+   * @param aCompare Function which takes two elements and returns -1, 0, or 1.
+   */
+  function recursiveSearch(aLow, aHigh, aNeedle, aHaystack, aCompare) {
+    // This function terminates when one of the following is true:
+    //
+    //   1. We find the exact element we are looking for.
+    //
+    //   2. We did not find the exact element, but we can return the next
+    //      closest element that is less than that element.
+    //
+    //   3. We did not find the exact element, and there is no next-closest
+    //      element which is less than the one we are searching for, so we
+    //      return null.
+    var mid = Math.floor((aHigh - aLow) / 2) + aLow;
+    var cmp = aCompare(aNeedle, aHaystack[mid]);
+    if (cmp === 0) {
+      // Found the element we are looking for.
+      return aHaystack[mid];
+    }
+    else if (cmp > 0) {
+      // aHaystack[mid] is greater than our needle.
+      if (aHigh - mid > 1) {
+        // The element is in the upper half.
+        return recursiveSearch(mid, aHigh, aNeedle, aHaystack, aCompare);
+      }
+      // We did not find an exact match, return the next closest one
+      // (termination case 2).
+      return aHaystack[mid];
+    }
+    else {
+      // aHaystack[mid] is less than our needle.
+      if (mid - aLow > 1) {
+        // The element is in the lower half.
+        return recursiveSearch(aLow, mid, aNeedle, aHaystack, aCompare);
+      }
+      // The exact needle element was not found in this haystack. Determine if
+      // we are in termination case (2) or (3) and return the appropriate thing.
+      return aLow < 0
+        ? null
+        : aHaystack[aLow];
+    }
+  }
+
+  /**
+   * This is an implementation of binary search which will always try and return
+   * the next lowest value checked if there is no exact hit. This is because
+   * mappings between original and generated line/col pairs are single points,
+   * and there is an implicit region between each of them, so a miss just means
+   * that you aren't on the very start of a region.
+   *
+   * @param aNeedle The element you are looking for.
+   * @param aHaystack The array that is being searched.
+   * @param aCompare A function which takes the needle and an element in the
+   *     array and returns -1, 0, or 1 depending on whether the needle is less
+   *     than, equal to, or greater than the element, respectively.
+   */
+  exports.search = function search(aNeedle, aHaystack, aCompare) {
+    return aHaystack.length > 0
+      ? recursiveSearch(-1, aHaystack.length, aNeedle, aHaystack, aCompare)
+      : null;
+  };
+
+});
+/* -*- Mode: js; js-indent-level: 2; -*- */
+/*
+ * Copyright 2011 Mozilla Foundation and contributors
+ * Licensed under the New BSD license. See LICENSE or:
+ * http://opensource.org/licenses/BSD-3-Clause
+ */
+
+define('source-map/source-map-consumer', function (require, exports, module) {
+
+  var util = require('./util');
+  var binarySearch = require('./binary-search');
+  var ArraySet = require('./array-set').ArraySet;
+  var base64VLQ = require('./base64-vlq');
+
+  /**
+   * A SourceMapConsumer instance represents a parsed source map which we can
+   * query for information about the original file positions by giving it a file
+   * position in the generated source.
+   *
+   * The only parameter is the raw source map (either as a JSON string, or
+   * already parsed to an object). According to the spec, source maps have the
+   * following attributes:
+   *
+   *   - version: Which version of the source map spec this map is following.
+   *   - sources: An array of URLs to the original source files.
+   *   - names: An array of identifiers which can be referrenced by individual mappings.
+   *   - sourceRoot: Optional. The URL root from which all sources are relative.
+   *   - mappings: A string of base64 VLQs which contain the actual mappings.
+   *   - file: The generated file this source map is associated with.
+   *
+   * Here is an example source map, taken from the source map spec[0]:
+   *
+   *     {
+   *       version : 3,
+   *       file: "out.js",
+   *       sourceRoot : "",
+   *       sources: ["foo.js", "bar.js"],
+   *       names: ["src", "maps", "are", "fun"],
+   *       mappings: "AA,AB;;ABCDE;"
+   *     }
+   *
+   * [0]: https://docs.google.com/document/d/1U1RGAehQwRypUTovF1KRlpiOFze0b-_2gc6fAH0KY0k/edit?pli=1#
+   */
+  function SourceMapConsumer(aSourceMap) {
+    var sourceMap = aSourceMap;
+    if (typeof aSourceMap === 'string') {
+      sourceMap = JSON.parse(aSourceMap.replace(/^\)\]\}'/, ''));
+    }
+
+    var version = util.getArg(sourceMap, 'version');
+    var sources = util.getArg(sourceMap, 'sources');
+    var names = util.getArg(sourceMap, 'names');
+    var sourceRoot = util.getArg(sourceMap, 'sourceRoot', null);
+    var mappings = util.getArg(sourceMap, 'mappings');
+    var file = util.getArg(sourceMap, 'file');
+
+    if (version !== this._version) {
+      throw new Error('Unsupported version: ' + version);
+    }
+
+    this._names = ArraySet.fromArray(names);
+    this._sources = ArraySet.fromArray(sources);
+    this._sourceRoot = sourceRoot;
+    this.file = file;
+
+    // `this._generatedMappings` and `this._originalMappings` hold the parsed
+    // mapping coordinates from the source map's "mappings" attribute. Each
+    // object in the array is of the form
+    //
+    //     {
+    //       generatedLine: The line number in the generated code,
+    //       generatedColumn: The column number in the generated code,
+    //       source: The path to the original source file that generated this
+    //               chunk of code,
+    //       originalLine: The line number in the original source that
+    //                     corresponds to this chunk of generated code,
+    //       originalColumn: The column number in the original source that
+    //                       corresponds to this chunk of generated code,
+    //       name: The name of the original symbol which generated this chunk of
+    //             code.
+    //     }
+    //
+    // All properties except for `generatedLine` and `generatedColumn` can be
+    // `null`.
+    //
+    // `this._generatedMappings` is ordered by the generated positions.
+    //
+    // `this._originalMappings` is ordered by the original positions.
+    this._generatedMappings = [];
+    this._originalMappings = [];
+    this._parseMappings(mappings, sourceRoot);
+  }
+
+  /**
+   * The version of the source mapping spec that we are consuming.
+   */
+  SourceMapConsumer.prototype._version = 3;
+
+  /**
+   * The list of original sources.
+   */
+  Object.defineProperty(SourceMapConsumer.prototype, 'sources', {
+    get: function () {
+      return this._sources.toArray().map(function (s) {
+        return this._sourceRoot ? util.join(this._sourceRoot, s) : s;
+      }, this);
+    }
+  });
+
+  /**
+   * Parse the mappings in a string in to a data structure which we can easily
+   * query (an ordered list in this._generatedMappings).
+   */
+  SourceMapConsumer.prototype._parseMappings =
+    function SourceMapConsumer_parseMappings(aStr, aSourceRoot) {
+      var generatedLine = 1;
+      var previousGeneratedColumn = 0;
+      var previousOriginalLine = 0;
+      var previousOriginalColumn = 0;
+      var previousSource = 0;
+      var previousName = 0;
+      var mappingSeparator = /^[,;]/;
+      var str = aStr;
+      var mapping;
+      var temp;
+
+      while (str.length > 0) {
+        if (str.charAt(0) === ';') {
+          generatedLine++;
+          str = str.slice(1);
+          previousGeneratedColumn = 0;
+        }
+        else if (str.charAt(0) === ',') {
+          str = str.slice(1);
+        }
+        else {
+          mapping = {};
+          mapping.generatedLine = generatedLine;
+
+          // Generated column.
+          temp = base64VLQ.decode(str);
+          mapping.generatedColumn = previousGeneratedColumn + temp.value;
+          previousGeneratedColumn = mapping.generatedColumn;
+          str = temp.rest;
+
+          if (str.length > 0 && !mappingSeparator.test(str.charAt(0))) {
+            // Original source.
+            temp = base64VLQ.decode(str);
+            if (aSourceRoot) {
+              mapping.source = util.join(aSourceRoot, this._sources.at(previousSource + temp.value));
+            }
+            else {
+              mapping.source = this._sources.at(previousSource + temp.value);
+            }
+            previousSource += temp.value;
+            str = temp.rest;
+            if (str.length === 0 || mappingSeparator.test(str.charAt(0))) {
+              throw new Error('Found a source, but no line and column');
+            }
+
+            // Original line.
+            temp = base64VLQ.decode(str);
+            mapping.originalLine = previousOriginalLine + temp.value;
+            previousOriginalLine = mapping.originalLine;
+            // Lines are stored 0-based
+            mapping.originalLine += 1;
+            str = temp.rest;
+            if (str.length === 0 || mappingSeparator.test(str.charAt(0))) {
+              throw new Error('Found a source and line, but no column');
+            }
+
+            // Original column.
+            temp = base64VLQ.decode(str);
+            mapping.originalColumn = previousOriginalColumn + temp.value;
+            previousOriginalColumn = mapping.originalColumn;
+            str = temp.rest;
+
+            if (str.length > 0 && !mappingSeparator.test(str.charAt(0))) {
+              // Original name.
+              temp = base64VLQ.decode(str);
+              mapping.name = this._names.at(previousName + temp.value);
+              previousName += temp.value;
+              str = temp.rest;
+            }
+          }
+
+          this._generatedMappings.push(mapping);
+          this._originalMappings.push(mapping);
+        }
+      }
+
+      this._originalMappings.sort(this._compareOriginalPositions);
+    };
+
+  /**
+   * Comparator between two mappings where the original positions are compared.
+   */
+  SourceMapConsumer.prototype._compareOriginalPositions =
+    function SourceMapConsumer_compareOriginalPositions(mappingA, mappingB) {
+      if (mappingA.source > mappingB.source) {
+        return 1;
+      }
+      else if (mappingA.source < mappingB.source) {
+        return -1;
+      }
+      else {
+        var cmp = mappingA.originalLine - mappingB.originalLine;
+        return cmp === 0
+          ? mappingA.originalColumn - mappingB.originalColumn
+          : cmp;
+      }
+    };
+
+  /**
+   * Comparator between two mappings where the generated positions are compared.
+   */
+  SourceMapConsumer.prototype._compareGeneratedPositions =
+    function SourceMapConsumer_compareGeneratedPositions(mappingA, mappingB) {
+      var cmp = mappingA.generatedLine - mappingB.generatedLine;
+      return cmp === 0
+        ? mappingA.generatedColumn - mappingB.generatedColumn
+        : cmp;
+    };
+
+  /**
+   * Find the mapping that best matches the hypothetical "needle" mapping that
+   * we are searching for in the given "haystack" of mappings.
+   */
+  SourceMapConsumer.prototype._findMapping =
+    function SourceMapConsumer_findMapping(aNeedle, aMappings, aLineName,
+                                           aColumnName, aComparator) {
+      // To return the position we are searching for, we must first find the
+      // mapping for the given position and then return the opposite position it
+      // points to. Because the mappings are sorted, we can use binary search to
+      // find the best mapping.
+
+      if (aNeedle[aLineName] <= 0) {
+        throw new TypeError('Line must be greater than or equal to 1, got '
+                            + aNeedle[aLineName]);
+      }
+      if (aNeedle[aColumnName] < 0) {
+        throw new TypeError('Column must be greater than or equal to 0, got '
+                            + aNeedle[aColumnName]);
+      }
+
+      return binarySearch.search(aNeedle, aMappings, aComparator);
+    };
+
+  /**
+   * Returns the original source, line, and column information for the generated
+   * source's line and column positions provided. The only argument is an object
+   * with the following properties:
+   *
+   *   - line: The line number in the generated source.
+   *   - column: The column number in the generated source.
+   *
+   * and an object is returned with the following properties:
+   *
+   *   - source: The original source file, or null.
+   *   - line: The line number in the original source, or null.
+   *   - column: The column number in the original source, or null.
+   *   - name: The original identifier, or null.
+   */
+  SourceMapConsumer.prototype.originalPositionFor =
+    function SourceMapConsumer_originalPositionFor(aArgs) {
+      var needle = {
+        generatedLine: util.getArg(aArgs, 'line'),
+        generatedColumn: util.getArg(aArgs, 'column')
+      };
+
+      var mapping = this._findMapping(needle,
+                                      this._generatedMappings,
+                                      "generatedLine",
+                                      "generatedColumn",
+                                      this._compareGeneratedPositions)
+
+      if (mapping) {
+        return {
+          source: util.getArg(mapping, 'source', null),
+          line: util.getArg(mapping, 'originalLine', null),
+          column: util.getArg(mapping, 'originalColumn', null),
+          name: util.getArg(mapping, 'name', null)
+        };
+      }
+
+      return {
+        source: null,
+        line: null,
+        column: null,
+        name: null
+      };
+    };
+
+  /**
+   * Returns the generated line and column information for the original source,
+   * line, and column positions provided. The only argument is an object with
+   * the following properties:
+   *
+   *   - source: The filename of the original source.
+   *   - line: The line number in the original source.
+   *   - column: The column number in the original source.
+   *
+   * and an object is returned with the following properties:
+   *
+   *   - line: The line number in the generated source, or null.
+   *   - column: The column number in the generated source, or null.
+   */
+  SourceMapConsumer.prototype.generatedPositionFor =
+    function SourceMapConsumer_generatedPositionFor(aArgs) {
+      var needle = {
+        source: util.getArg(aArgs, 'source'),
+        originalLine: util.getArg(aArgs, 'line'),
+        originalColumn: util.getArg(aArgs, 'column')
+      };
+
+      var mapping = this._findMapping(needle,
+                                      this._originalMappings,
+                                      "originalLine",
+                                      "originalColumn",
+                                      this._compareOriginalPositions)
+
+      if (mapping) {
+        return {
+          line: util.getArg(mapping, 'generatedLine', null),
+          column: util.getArg(mapping, 'generatedColumn', null)
+        };
+      }
+
+      return {
+        line: null,
+        column: null
+      };
+    };
+
+  SourceMapConsumer.GENERATED_ORDER = 1;
+  SourceMapConsumer.ORIGINAL_ORDER = 2;
+
+  /**
+   * Iterate over each mapping between an original source/line/column and a
+   * generated line/column in this source map.
+   *
+   * @param Function aCallback
+   *        The function that is called with each mapping. This function should
+   *        not mutate the mapping.
+   * @param Object aContext
+   *        Optional. If specified, this object will be the value of `this` every
+   *        time that `aCallback` is called.
+   * @param aOrder
+   *        Either `SourceMapConsumer.GENERATED_ORDER` or
+   *        `SourceMapConsumer.ORIGINAL_ORDER`. Specifies whether you want to
+   *        iterate over the mappings sorted by the generated file's line/column
+   *        order or the original's source/line/column order, respectively. Defaults to
+   *        `SourceMapConsumer.GENERATED_ORDER`.
+   */
+  SourceMapConsumer.prototype.eachMapping =
+    function SourceMapConsumer_eachMapping(aCallback, aContext, aOrder) {
+      var context = aContext || null;
+      var order = aOrder || SourceMapConsumer.GENERATED_ORDER;
+
+      var mappings;
+      switch (order) {
+      case SourceMapConsumer.GENERATED_ORDER:
+        mappings = this._generatedMappings;
+        break;
+      case SourceMapConsumer.ORIGINAL_ORDER:
+        mappings = this._originalMappings;
+        break;
+      default:
+        throw new Error("Unknown order of iteration.");
+      }
+
+      mappings.forEach(aCallback, context);
+    };
+
+  exports.SourceMapConsumer = SourceMapConsumer;
+
+});
+/* -*- Mode: js; js-indent-level: 2; -*- */
+/*
+ * Copyright 2011 Mozilla Foundation and contributors
+ * Licensed under the New BSD license. See LICENSE or:
+ * http://opensource.org/licenses/BSD-3-Clause
+ */
+
+define('source-map/source-map-generator', function (require, exports, module) {
+
+  var base64VLQ = require('./base64-vlq');
+  var util = require('./util');
+  var ArraySet = require('./array-set').ArraySet;
+
+  /**
+   * An instance of the SourceMapGenerator represents a source map which is
+   * being built incrementally. To create a new one, you must pass an object
+   * with the following properties:
+   *
+   *   - file: The filename of the generated source.
+   *   - sourceRoot: An optional root for all URLs in this source map.
+   */
+  function SourceMapGenerator(aArgs) {
+    this._file = util.getArg(aArgs, 'file');
+    this._sourceRoot = util.getArg(aArgs, 'sourceRoot', null);
+    this._sources = new ArraySet();
+    this._names = new ArraySet();
+    this._mappings = [];
+  }
+
+  SourceMapGenerator.prototype._version = 3;
+
+  /**
+   * Add a single mapping from original source line and column to the generated
+   * source's line and column for this source map being created. The mapping
+   * object should have the following properties:
+   *
+   *   - generated: An object with the generated line and column positions.
+   *   - original: An object with the original line and column positions.
+   *   - source: The original source file (relative to the sourceRoot).
+   *   - name: An optional original token name for this mapping.
+   */
+  SourceMapGenerator.prototype.addMapping =
+    function SourceMapGenerator_addMapping(aArgs) {
+      var generated = util.getArg(aArgs, 'generated');
+      var original = util.getArg(aArgs, 'original', null);
+      var source = util.getArg(aArgs, 'source', null);
+      var name = util.getArg(aArgs, 'name', null);
+
+      this._validateMapping(generated, original, source, name);
+
+      if (source && !this._sources.has(source)) {
+        this._sources.add(source);
+      }
+
+      if (name && !this._names.has(name)) {
+        this._names.add(name);
+      }
+
+      this._mappings.push({
+        generated: generated,
+        original: original,
+        source: source,
+        name: name
+      });
+    };
+
+  /**
+   * A mapping can have one of the three levels of data:
+   *
+   *   1. Just the generated position.
+   *   2. The Generated position, original position, and original source.
+   *   3. Generated and original position, original source, as well as a name
+   *      token.
+   *
+   * To maintain consistency, we validate that any new mapping being added falls
+   * in to one of these categories.
+   */
+  SourceMapGenerator.prototype._validateMapping =
+    function SourceMapGenerator_validateMapping(aGenerated, aOriginal, aSource,
+                                                aName) {
+      if (aGenerated && 'line' in aGenerated && 'column' in aGenerated
+          && aGenerated.line > 0 && aGenerated.column >= 0
+          && !aOriginal && !aSource && !aName) {
+        // Case 1.
+        return;
+      }
+      else if (aGenerated && 'line' in aGenerated && 'column' in aGenerated
+               && aOriginal && 'line' in aOriginal && 'column' in aOriginal
+               && aGenerated.line > 0 && aGenerated.column >= 0
+               && aOriginal.line > 0 && aOriginal.column >= 0
+               && aSource) {
+        // Cases 2 and 3.
+        return;
+      }
+      else {
+        throw new Error('Invalid mapping.');
+      }
+    };
+
+  /**
+   * Serialize the accumulated mappings in to the stream of base 64 VLQs
+   * specified by the source map format.
+   */
+  SourceMapGenerator.prototype._serializeMappings =
+    function SourceMapGenerator_serializeMappings() {
+      var previousGeneratedColumn = 0;
+      var previousGeneratedLine = 1;
+      var previousOriginalColumn = 0;
+      var previousOriginalLine = 0;
+      var previousName = 0;
+      var previousSource = 0;
+      var result = '';
+      var mapping;
+
+      // The mappings must be guarenteed to be in sorted order before we start
+      // serializing them or else the generated line numbers (which are defined
+      // via the ';' separators) will be all messed up. Note: it might be more
+      // performant to maintain the sorting as we insert them, rather than as we
+      // serialize them, but the big O is the same either way.
+      this._mappings.sort(function (mappingA, mappingB) {
+        var cmp = mappingA.generated.line - mappingB.generated.line;
+        return cmp === 0
+          ? mappingA.generated.column - mappingB.generated.column
+          : cmp;
+      });
+
+      for (var i = 0, len = this._mappings.length; i < len; i++) {
+        mapping = this._mappings[i];
+
+        if (mapping.generated.line !== previousGeneratedLine) {
+          previousGeneratedColumn = 0;
+          while (mapping.generated.line !== previousGeneratedLine) {
+            result += ';';
+            previousGeneratedLine++;
+          }
+        }
+        else {
+          if (i > 0) {
+            result += ',';
+          }
+        }
+
+        result += base64VLQ.encode(mapping.generated.column
+                                   - previousGeneratedColumn);
+        previousGeneratedColumn = mapping.generated.column;
+
+        if (mapping.source && mapping.original) {
+          result += base64VLQ.encode(this._sources.indexOf(mapping.source)
+                                     - previousSource);
+          previousSource = this._sources.indexOf(mapping.source);
+
+          // lines are stored 0-based in SourceMap spec version 3
+          result += base64VLQ.encode(mapping.original.line - 1
+                                     - previousOriginalLine);
+          previousOriginalLine = mapping.original.line - 1;
+
+          result += base64VLQ.encode(mapping.original.column
+                                     - previousOriginalColumn);
+          previousOriginalColumn = mapping.original.column;
+
+          if (mapping.name) {
+            result += base64VLQ.encode(this._names.indexOf(mapping.name)
+                                       - previousName);
+            previousName = this._names.indexOf(mapping.name);
+          }
+        }
+      }
+
+      return result;
+    };
+
+  /**
+   * Externalize the source map.
+   */
+  SourceMapGenerator.prototype.toJSON =
+    function SourceMapGenerator_toJSON() {
+      var map = {
+        version: this._version,
+        file: this._file,
+        sources: this._sources.toArray(),
+        names: this._names.toArray(),
+        mappings: this._serializeMappings()
+      };
+      if (this._sourceRoot) {
+        map.sourceRoot = this._sourceRoot;
+      }
+      return map;
+    };
+
+  /**
+   * Render the source map being generated to a string.
+   */
+  SourceMapGenerator.prototype.toString =
+    function SourceMapGenerator_toString() {
+      return JSON.stringify(this);
+    };
+
+  exports.SourceMapGenerator = SourceMapGenerator;
+
+});
+/* -*- Mode: js; js-indent-level: 2; -*- */
+/*
+ * Copyright 2011 Mozilla Foundation and contributors
+ * Licensed under the New BSD license. See LICENSE or:
+ * http://opensource.org/licenses/BSD-3-Clause
+ */
+
+define('source-map/source-node', function (require, exports, module) {
+
+  var SourceMapGenerator = require('./source-map-generator').SourceMapGenerator;
+
+  /**
+   * SourceNodes provide a way to abstract over interpolating/concatenating
+   * snippets of generated JavaScript source code while maintaining the line and
+   * column information associated with the original source code.
+   *
+   * @param aLine The original line number.
+   * @param aColumn The original column number.
+   * @param aSource The original source's filename.
+   * @param aChunks Optional. An array of strings which are snippets of
+   *        generated JS, or other SourceNodes.
+   */
+  function SourceNode(aLine, aColumn, aSource, aChunks) {
+    this.children = [];
+    this.line = aLine;
+    this.column = aColumn;
+    this.source = aSource;
+    if (aChunks != null) this.add(aChunks);
+  }
+
+  /**
+   * Add a chunk of generated JS to this source node.
+   *
+   * @param aChunk A string snippet of generated JS code, another instance of
+   *        SourceNode, or an array where each member is one of those things.
+   */
+  SourceNode.prototype.add = function SourceNode_add(aChunk) {
+    if (Array.isArray(aChunk)) {
+      aChunk.forEach(function (chunk) {
+        this.add(chunk);
+      }, this);
+    }
+    else if (aChunk instanceof SourceNode || typeof aChunk === "string") {
+      if (aChunk) {
+        this.children.push(aChunk);
+      }
+    }
+    else {
+      throw new TypeError(
+        "Expected a SourceNode, string, or an array of SourceNodes and strings. Got " + aChunk
+      );
+    }
+    return this;
+  };
+
+  /**
+   * Add a chunk of generated JS to the beginning of this source node.
+   *
+   * @param aChunk A string snippet of generated JS code, another instance of
+   *        SourceNode, or an array where each member is one of those things.
+   */
+  SourceNode.prototype.prepend = function SourceNode_prepend(aChunk) {
+    if (Array.isArray(aChunk)) {
+      for (var i = aChunk.length-1; i >= 0; i--) {
+        this.prepend(aChunk[i]);
+      }
+    }
+    else if (aChunk instanceof SourceNode || typeof aChunk === "string") {
+      this.children.unshift(aChunk);
+    }
+    else {
+      throw new TypeError(
+        "Expected a SourceNode, string, or an array of SourceNodes and strings. Got " + aChunk
+      );
+    }
+    return this;
+  };
+
+  /**
+   * Walk over the tree of JS snippets in this node and its children. The
+   * walking function is called once for each snippet of JS and is passed that
+   * snippet and the its original associated source's line/column location.
+   *
+   * @param aFn The traversal function.
+   */
+  SourceNode.prototype.walk = function SourceNode_walk(aFn) {
+    this.children.forEach(function (chunk) {
+      if (chunk instanceof SourceNode) {
+        chunk.walk(aFn);
+      }
+      else {
+        if (chunk !== '') {
+          aFn(chunk, { source: this.source, line: this.line, column: this.column });
+        }
+      }
+    }, this);
+  };
+
+  /**
+   * Like `String.prototype.join` except for SourceNodes. Inserts `aStr` between
+   * each of `this.children`.
+   *
+   * @param aSep The separator.
+   */
+  SourceNode.prototype.join = function SourceNode_join(aSep) {
+    var newChildren;
+    var i;
+    var len = this.children.length
+    if (len > 0) {
+      newChildren = [];
+      for (i = 0; i < len-1; i++) {
+        newChildren.push(this.children[i]);
+        newChildren.push(aSep);
+      }
+      newChildren.push(this.children[i]);
+      this.children = newChildren;
+    }
+    return this;
+  };
+
+  /**
+   * Call String.prototype.replace on the very right-most source snippet. Useful
+   * for trimming whitespace from the end of a source node, etc.
+   *
+   * @param aPattern The pattern to replace.
+   * @param aReplacement The thing to replace the pattern with.
+   */
+  SourceNode.prototype.replaceRight = function SourceNode_replaceRight(aPattern, aReplacement) {
+    var lastChild = this.children[this.children.length - 1];
+    if (lastChild instanceof SourceNode) {
+      lastChild.replaceRight(aPattern, aReplacement);
+    }
+    else if (typeof lastChild === 'string') {
+      this.children[this.children.length - 1] = lastChild.replace(aPattern, aReplacement);
+    }
+    else {
+      this.children.push(''.replace(aPattern, aReplacement));
+    }
+    return this;
+  };
+
+  /**
+   * Return the string representation of this source node. Walks over the tree
+   * and concatenates all the various snippets together to one string.
+   */
+  SourceNode.prototype.toString = function SourceNode_toString() {
+    var str = "";
+    this.walk(function (chunk) {
+      str += chunk;
+    });
+    return str;
+  };
+
+  /**
+   * Returns the string representation of this source node along with a source
+   * map.
+   */
+  SourceNode.prototype.toStringWithSourceMap = function SourceNode_toStringWithSourceMap(aArgs) {
+    var generated = {
+      code: "",
+      line: 1,
+      column: 0
+    };
+    var map = new SourceMapGenerator(aArgs);
+    this.walk(function (chunk, original) {
+      generated.code += chunk;
+      if (original.source != null
+          && original.line != null
+          && original.column != null) {
+        map.addMapping({
+          source: original.source,
+          original: {
+            line: original.line,
+            column: original.column
+          },
+          generated: {
+            line: generated.line,
+            column: generated.column
+          }
+        });
+      }
+      chunk.split('').forEach(function (char) {
+        if (char === '\n') {
+          generated.line++;
+          generated.column = 0;
+        } else {
+          generated.column++;
+        }
+      });
+    });
+
+    return { code: generated.code, map: map };
+  };
+
+  exports.SourceNode = SourceNode;
+
+});
+/* -*- Mode: js; js-indent-level: 2; -*- */
+/*
+ * Copyright 2011 Mozilla Foundation and contributors
+ * Licensed under the New BSD license. See LICENSE or:
+ * http://opensource.org/licenses/BSD-3-Clause
+ */
+
+define('source-map/util', function (require, exports, module) {
+
+  /**
+   * This is a helper function for getting values from parameter/options
+   * objects.
+   *
+   * @param args The object we are extracting values from
+   * @param name The name of the property we are getting.
+   * @param defaultValue An optional value to return if the property is missing
+   * from the object. If this is not specified and the property is missing, an
+   * error will be thrown.
+   */
+  function getArg(aArgs, aName, aDefaultValue) {
+    if (aName in aArgs) {
+      return aArgs[aName];
+    } else if (arguments.length === 3) {
+      return aDefaultValue;
+    } else {
+      throw new Error('"' + aName + '" is a required argument.');
+    }
+  }
+  exports.getArg = getArg;
+
+  function join(aRoot, aPath) {
+    return aPath.charAt(0) === '/'
+      ? aPath
+      : aRoot.replace(/\/*$/, '') + '/' + aPath;
+  }
+  exports.join = join;
+
+});
+define('source-map', function (require, exports, module) {
+
+/*
+ * Copyright 2009-2011 Mozilla Foundation and contributors
+ * Licensed under the New BSD license. See LICENSE.txt or:
+ * http://opensource.org/licenses/BSD-3-Clause
+ */
+exports.SourceMapGenerator = require('./source-map/source-map-generator').SourceMapGenerator;
+exports.SourceMapConsumer = require('./source-map/source-map-consumer').SourceMapConsumer;
+exports.SourceNode = require('./source-map/source-node').SourceNode;
+
+});
+
+//Distributed under the BSD license:
+//Copyright 2012 (c) Mihai Bazon <mihai.bazon@gmail.com>
+define('uglifyjs2', ['exports', 'source-map', 'logger'], function (exports, MOZ_SourceMap, logger) {
+(function(exports, global) {
+    global["UglifyJS"] = exports;
+    "use strict";
+    function array_to_hash(a) {
+        var ret = Object.create(null);
+        for (var i = 0; i < a.length; ++i) ret[a[i]] = true;
+        return ret;
+    }
+    function slice(a, start) {
+        return Array.prototype.slice.call(a, start || 0);
+    }
+    function characters(str) {
+        return str.split("");
+    }
+    function member(name, array) {
+        for (var i = array.length; --i >= 0; ) if (array[i] == name) return true;
+        return false;
+    }
+    function find_if(func, array) {
+        for (var i = 0, n = array.length; i < n; ++i) {
+            if (func(array[i])) return array[i];
+        }
+    }
+    function repeat_string(str, i) {
+        if (i <= 0) return "";
+        if (i == 1) return str;
+        var d = repeat_string(str, i >> 1);
+        d += d;
+        if (i & 1) d += str;
+        return d;
+    }
+    function DefaultsError(msg, defs) {
+        this.msg = msg;
+        this.defs = defs;
+    }
+    function defaults(args, defs, croak) {
+        if (args === true) args = {};
+        var ret = args || {};
+        if (croak) for (var i in ret) if (ret.hasOwnProperty(i) && !defs.hasOwnProperty(i)) throw new DefaultsError("`" + i + "` is not a supported option", defs);
+        for (var i in defs) if (defs.hasOwnProperty(i)) {
+            ret[i] = args && args.hasOwnProperty(i) ? args[i] : defs[i];
+        }
+        return ret;
+    }
+    function merge(obj, ext) {
+        for (var i in ext) if (ext.hasOwnProperty(i)) {
+            obj[i] = ext[i];
+        }
+        return obj;
+    }
+    function noop() {}
+    var MAP = function() {
+        function MAP(a, f, backwards) {
+            var ret = [], top = [], i;
+            function doit() {
+                var val = f(a[i], i);
+                var is_last = val instanceof Last;
+                if (is_last) val = val.v;
+                if (val instanceof AtTop) {
+                    val = val.v;
+                    if (val instanceof Splice) {
+                        top.push.apply(top, backwards ? val.v.slice().reverse() : val.v);
+                    } else {
+                        top.push(val);
+                    }
+                } else if (val !== skip) {
+                    if (val instanceof Splice) {
+                        ret.push.apply(ret, backwards ? val.v.slice().reverse() : val.v);
+                    } else {
+                        ret.push(val);
+                    }
+                }
+                return is_last;
+            }
+            if (a instanceof Array) {
+                if (backwards) {
+                    for (i = a.length; --i >= 0; ) if (doit()) break;
+                    ret.reverse();
+                    top.reverse();
+                } else {
+                    for (i = 0; i < a.length; ++i) if (doit()) break;
+                }
+            } else {
+                for (i in a) if (a.hasOwnProperty(i)) if (doit()) break;
+            }
+            return top.concat(ret);
+        }
+        MAP.at_top = function(val) {
+            return new AtTop(val);
+        };
+        MAP.splice = function(val) {
+            return new Splice(val);
+        };
+        MAP.last = function(val) {
+            return new Last(val);
+        };
+        var skip = MAP.skip = {};
+        function AtTop(val) {
+            this.v = val;
+        }
+        function Splice(val) {
+            this.v = val;
+        }
+        function Last(val) {
+            this.v = val;
+        }
+        return MAP;
+    }();
+    function push_uniq(array, el) {
+        if (array.indexOf(el) < 0) array.push(el);
+    }
+    function string_template(text, props) {
+        return text.replace(/\{(.+?)\}/g, function(str, p) {
+            return props[p];
+        });
+    }
+    function remove(array, el) {
+        for (var i = array.length; --i >= 0; ) {
+            if (array[i] === el) array.splice(i, 1);
+        }
+    }
+    function mergeSort(array, cmp) {
+        if (array.length < 2) return array.slice();
+        function merge(a, b) {
+            var r = [], ai = 0, bi = 0, i = 0;
+            while (ai < a.length && bi < b.length) {
+                cmp(a[ai], b[bi]) <= 0 ? r[i++] = a[ai++] : r[i++] = b[bi++];
+            }
+            if (ai < a.length) r.push.apply(r, a.slice(ai));
+            if (bi < b.length) r.push.apply(r, b.slice(bi));
+            return r;
+        }
+        function _ms(a) {
+            if (a.length <= 1) return a;
+            var m = Math.floor(a.length / 2), left = a.slice(0, m), right = a.slice(m);
+            left = _ms(left);
+            right = _ms(right);
+            return merge(left, right);
+        }
+        return _ms(array);
+    }
+    function set_difference(a, b) {
+        return a.filter(function(el) {
+            return b.indexOf(el) < 0;
+        });
+    }
+    function set_intersection(a, b) {
+        return a.filter(function(el) {
+            return b.indexOf(el) >= 0;
+        });
+    }
+    function makePredicate(words) {
+        if (!(words instanceof Array)) words = words.split(" ");
+        var f = "", cats = [];
+        out: for (var i = 0; i < words.length; ++i) {
+            for (var j = 0; j < cats.length; ++j) if (cats[j][0].length == words[i].length) {
+                cats[j].push(words[i]);
+                continue out;
+            }
+            cats.push([ words[i] ]);
+        }
+        function compareTo(arr) {
+            if (arr.length == 1) return f += "return str === " + JSON.stringify(arr[0]) + ";";
+            f += "switch(str){";
+            for (var i = 0; i < arr.length; ++i) f += "case " + JSON.stringify(arr[i]) + ":";
+            f += "return true}return false;";
+        }
+        if (cats.length > 3) {
+            cats.sort(function(a, b) {
+                return b.length - a.length;
+            });
+            f += "switch(str.length){";
+            for (var i = 0; i < cats.length; ++i) {
+                var cat = cats[i];
+                f += "case " + cat[0].length + ":";
+                compareTo(cat);
+            }
+            f += "}";
+        } else {
+            compareTo(words);
+        }
+        return new Function("str", f);
+    }
+    function Dictionary() {
+        this._values = Object.create(null);
+        this._size = 0;
+    }
+    Dictionary.prototype = {
+        set: function(key, val) {
+            if (!this.has(key)) ++this._size;
+            this._values["$" + key] = val;
+            return this;
+        },
+        add: function(key, val) {
+            if (this.has(key)) {
+                this.get(key).push(val);
+            } else {
+                this.set(key, [ val ]);
+            }
+            return this;
+        },
+        get: function(key) {
+            return this._values["$" + key];
+        },
+        del: function(key) {
+            if (this.has(key)) {
+                --this._size;
+                delete this._values["$" + key];
+            }
+            return this;
+        },
+        has: function(key) {
+            return "$" + key in this._values;
+        },
+        each: function(f) {
+            for (var i in this._values) f(this._values[i], i.substr(1));
+        },
+        size: function() {
+            return this._size;
+        },
+        map: function(f) {
+            var ret = [];
+            for (var i in this._values) ret.push(f(this._values[i], i.substr(1)));
+            return ret;
+        }
+    };
+    "use strict";
+    function DEFNODE(type, props, methods, base) {
+        if (arguments.length < 4) base = AST_Node;
+        if (!props) props = []; else props = props.split(/\s+/);
+        var self_props = props;
+        if (base && base.PROPS) props = props.concat(base.PROPS);
+        var code = "return function AST_" + type + "(props){ if (props) { ";
+        for (var i = props.length; --i >= 0; ) {
+            code += "this." + props[i] + " = props." + props[i] + ";";
+        }
+        var proto = base && new base();
+        if (proto && proto.initialize || methods && methods.initialize) code += "this.initialize();";
+        code += "}}";
+        var ctor = new Function(code)();
+        if (proto) {
+            ctor.prototype = proto;
+            ctor.BASE = base;
+        }
+        if (base) base.SUBCLASSES.push(ctor);
+        ctor.prototype.CTOR = ctor;
+        ctor.PROPS = props || null;
+        ctor.SELF_PROPS = self_props;
+        ctor.SUBCLASSES = [];
+        if (type) {
+            ctor.prototype.TYPE = ctor.TYPE = type;
+        }
+        if (methods) for (i in methods) if (methods.hasOwnProperty(i)) {
+            if (/^\$/.test(i)) {
+                ctor[i.substr(1)] = methods[i];
+            } else {
+                ctor.prototype[i] = methods[i];
+            }
+        }
+        ctor.DEFMETHOD = function(name, method) {
+            this.prototype[name] = method;
+        };
+        return ctor;
+    }
+    var AST_Token = DEFNODE("Token", "type value line col pos endpos nlb comments_before file", {}, null);
+    var AST_Node = DEFNODE("Node", "start end", {
+        clone: function() {
+            return new this.CTOR(this);
+        },
+        $documentation: "Base class of all AST nodes",
+        $propdoc: {
+            start: "[AST_Token] The first token of this node",
+            end: "[AST_Token] The last token of this node"
+        },
+        _walk: function(visitor) {
+            return visitor._visit(this);
+        },
+        walk: function(visitor) {
+            return this._walk(visitor);
+        }
+    }, null);
+    AST_Node.warn_function = null;
+    AST_Node.warn = function(txt, props) {
+        if (AST_Node.warn_function) AST_Node.warn_function(string_template(txt, props));
+    };
+    var AST_Statement = DEFNODE("Statement", null, {
+        $documentation: "Base class of all statements"
+    });
+    var AST_Debugger = DEFNODE("Debugger", null, {
+        $documentation: "Represents a debugger statement"
+    }, AST_Statement);
+    var AST_Directive = DEFNODE("Directive", "value scope", {
+        $documentation: 'Represents a directive, like "use strict";',
+        $propdoc: {
+            value: "[string] The value of this directive as a plain string (it's not an AST_String!)",
+            scope: "[AST_Scope/S] The scope that this directive affects"
+        }
+    }, AST_Statement);
+    var AST_SimpleStatement = DEFNODE("SimpleStatement", "body", {
+        $documentation: "A statement consisting of an expression, i.e. a = 1 + 2",
+        $propdoc: {
+            body: "[AST_Node] an expression node (should not be instanceof AST_Statement)"
+        },
+        _walk: function(visitor) {
+            return visitor._visit(this, function() {
+                this.body._walk(visitor);
+            });
+        }
+    }, AST_Statement);
+    function walk_body(node, visitor) {
+        if (node.body instanceof AST_Statement) {
+            node.body._walk(visitor);
+        } else node.body.forEach(function(stat) {
+            stat._walk(visitor);
+        });
+    }
+    var AST_Block = DEFNODE("Block", "body", {
+        $documentation: "A body of statements (usually bracketed)",
+        $propdoc: {
+            body: "[AST_Statement*] an array of statements"
+        },
+        _walk: function(visitor) {
+            return visitor._visit(this, function() {
+                walk_body(this, visitor);
+            });
+        }
+    }, AST_Statement);
+    var AST_BlockStatement = DEFNODE("BlockStatement", null, {
+        $documentation: "A block statement"
+    }, AST_Block);
+    var AST_EmptyStatement = DEFNODE("EmptyStatement", null, {
+        $documentation: "The empty statement (empty block or simply a semicolon)",
+        _walk: function(visitor) {
+            return visitor._visit(this);
+        }
+    }, AST_Statement);
+    var AST_StatementWithBody = DEFNODE("StatementWithBody", "body", {
+        $documentation: "Base class for all statements that contain one nested body: `For`, `ForIn`, `Do`, `While`, `With`",
+        $propdoc: {
+            body: "[AST_Statement] the body; this should always be present, even if it's an AST_EmptyStatement"
+        },
+        _walk: function(visitor) {
+            return visitor._visit(this, function() {
+                this.body._walk(visitor);
+            });
+        }
+    }, AST_Statement);
+    var AST_LabeledStatement = DEFNODE("LabeledStatement", "label", {
+        $documentation: "Statement with a label",
+        $propdoc: {
+            label: "[AST_Label] a label definition"
+        },
+        _walk: function(visitor) {
+            return visitor._visit(this, function() {
+                this.label._walk(visitor);
+                this.body._walk(visitor);
+            });
+        }
+    }, AST_StatementWithBody);
+    var AST_DWLoop = DEFNODE("DWLoop", "condition", {
+        $documentation: "Base class for do/while statements",
+        $propdoc: {
+            condition: "[AST_Node] the loop condition.  Should not be instanceof AST_Statement"
+        },
+        _walk: function(visitor) {
+            return visitor._visit(this, function() {
+                this.condition._walk(visitor);
+                this.body._walk(visitor);
+            });
+        }
+    }, AST_StatementWithBody);
+    var AST_Do = DEFNODE("Do", null, {
+        $documentation: "A `do` statement"
+    }, AST_DWLoop);
+    var AST_While = DEFNODE("While", null, {
+        $documentation: "A `while` statement"
+    }, AST_DWLoop);
+    var AST_For = DEFNODE("For", "init condition step", {
+        $documentation: "A `for` statement",
+        $propdoc: {
+            init: "[AST_Node?] the `for` initialization code, or null if empty",
+            condition: "[AST_Node?] the `for` termination clause, or null if empty",
+            step: "[AST_Node?] the `for` update clause, or null if empty"
+        },
+        _walk: function(visitor) {
+            return visitor._visit(this, function() {
+                if (this.init) this.init._walk(visitor);
+                if (this.condition) this.condition._walk(visitor);
+                if (this.step) this.step._walk(visitor);
+                this.body._walk(visitor);
+            });
+        }
+    }, AST_StatementWithBody);
+    var AST_ForIn = DEFNODE("ForIn", "init name object", {
+        $documentation: "A `for ... in` statement",
+        $propdoc: {
+            init: "[AST_Node] the `for/in` initialization code",
+            name: "[AST_SymbolRef?] the loop variable, only if `init` is AST_Var",
+            object: "[AST_Node] the object that we're looping through"
+        },
+        _walk: function(visitor) {
+            return visitor._visit(this, function() {
+                this.init._walk(visitor);
+                this.object._walk(visitor);
+                this.body._walk(visitor);
+            });
+        }
+    }, AST_StatementWithBody);
+    var AST_With = DEFNODE("With", "expression", {
+        $documentation: "A `with` statement",
+        $propdoc: {
+            expression: "[AST_Node] the `with` expression"
+        },
+        _walk: function(visitor) {
+            return visitor._visit(this, function() {
+                this.expression._walk(visitor);
+                this.body._walk(visitor);
+            });
+        }
+    }, AST_StatementWithBody);
+    var AST_Scope = DEFNODE("Scope", "directives variables functions uses_with uses_eval parent_scope enclosed cname", {
+        $documentation: "Base class for all statements introducing a lexical scope",
+        $propdoc: {
+            directives: "[string*/S] an array of directives declared in this scope",
+            variables: "[Object/S] a map of name -> SymbolDef for all variables/functions defined in this scope",
+            functions: "[Object/S] like `variables`, but only lists function declarations",
+            uses_with: "[boolean/S] tells whether this scope uses the `with` statement",
+            uses_eval: "[boolean/S] tells whether this scope contains a direct call to the global `eval`",
+            parent_scope: "[AST_Scope?/S] link to the parent scope",
+            enclosed: "[SymbolDef*/S] a list of all symbol definitions that are accessed from this scope or any subscopes",
+            cname: "[integer/S] current index for mangling variables (used internally by the mangler)"
+        }
+    }, AST_Block);
+    var AST_Toplevel = DEFNODE("Toplevel", "globals", {
+        $documentation: "The toplevel scope",
+        $propdoc: {
+            globals: "[Object/S] a map of name -> SymbolDef for all undeclared names"
+        },
+        wrap_commonjs: function(name, export_all) {
+            var self = this;
+            var to_export = [];
+            if (export_all) {
+                self.figure_out_scope();
+                self.walk(new TreeWalker(function(node) {
+                    if (node instanceof AST_SymbolDeclaration && node.definition().global) {
+                        if (!find_if(function(n) {
+                            return n.name == node.name;
+                        }, to_export)) to_export.push(node);
+                    }
+                }));
+            }
+            var wrapped_tl = "(function(exports, global){ global['" + name + "'] = exports; '$ORIG'; '$EXPORTS'; }({}, (function(){return this}())))";
+            wrapped_tl = parse(wrapped_tl);
+            wrapped_tl = wrapped_tl.transform(new TreeTransformer(function before(node) {
+                if (node instanceof AST_SimpleStatement) {
+                    node = node.body;
+                    if (node instanceof AST_String) switch (node.getValue()) {
+                      case "$ORIG":
+                        return MAP.splice(self.body);
+
+                      case "$EXPORTS":
+                        var body = [];
+                        to_export.forEach(function(sym) {
+                            body.push(new AST_SimpleStatement({
+                                body: new AST_Assign({
+                                    left: new AST_Sub({
+                                        expression: new AST_SymbolRef({
+                                            name: "exports"
+                                        }),
+                                        property: new AST_String({
+                                            value: sym.name
+                                        })
+                                    }),
+                                    operator: "=",
+                                    right: new AST_SymbolRef(sym)
+                                })
+                            }));
+                        });
+                        return MAP.splice(body);
+                    }
+                }
+            }));
+            return wrapped_tl;
+        }
+    }, AST_Scope);
+    var AST_Lambda = DEFNODE("Lambda", "name argnames uses_arguments", {
+        $documentation: "Base class for functions",
+        $propdoc: {
+            name: "[AST_SymbolDeclaration?] the name of this function",
+            argnames: "[AST_SymbolFunarg*] array of function arguments",
+            uses_arguments: "[boolean/S] tells whether this function accesses the arguments array"
+        },
+        _walk: function(visitor) {
+            return visitor._visit(this, function() {
+                if (this.name) this.name._walk(visitor);
+                this.argnames.forEach(function(arg) {
+                    arg._walk(visitor);
+                });
+                walk_body(this, visitor);
+            });
+        }
+    }, AST_Scope);
+    var AST_Accessor = DEFNODE("Accessor", null, {
+        $documentation: "A setter/getter function"
+    }, AST_Lambda);
+    var AST_Function = DEFNODE("Function", null, {
+        $documentation: "A function expression"
+    }, AST_Lambda);
+    var AST_Defun = DEFNODE("Defun", null, {
+        $documentation: "A function definition"
+    }, AST_Lambda);
+    var AST_Jump = DEFNODE("Jump", null, {
+        $documentation: "Base class for “jumps” (for now that's `return`, `throw`, `break` and `continue`)"
+    }, AST_Statement);
+    var AST_Exit = DEFNODE("Exit", "value", {
+        $documentation: "Base class for “exits” (`return` and `throw`)",
+        $propdoc: {
+            value: "[AST_Node?] the value returned or thrown by this statement; could be null for AST_Return"
+        },
+        _walk: function(visitor) {
+            return visitor._visit(this, this.value && function() {
+                this.value._walk(visitor);
+            });
+        }
+    }, AST_Jump);
+    var AST_Return = DEFNODE("Return", null, {
+        $documentation: "A `return` statement"
+    }, AST_Exit);
+    var AST_Throw = DEFNODE("Throw", null, {
+        $documentation: "A `throw` statement"
+    }, AST_Exit);
+    var AST_LoopControl = DEFNODE("LoopControl", "label", {
+        $documentation: "Base class for loop control statements (`break` and `continue`)",
+        $propdoc: {
+            label: "[AST_LabelRef?] the label, or null if none"
+        },
+        _walk: function(visitor) {
+            return visitor._visit(this, this.label && function() {
+                this.label._walk(visitor);
+            });
+        }
+    }, AST_Jump);
+    var AST_Break = DEFNODE("Break", null, {
+        $documentation: "A `break` statement"
+    }, AST_LoopControl);
+    var AST_Continue = DEFNODE("Continue", null, {
+        $documentation: "A `continue` statement"
+    }, AST_LoopControl);
+    var AST_If = DEFNODE("If", "condition alternative", {
+        $documentation: "A `if` statement",
+        $propdoc: {
+            condition: "[AST_Node] the `if` condition",
+            alternative: "[AST_Statement?] the `else` part, or null if not present"
+        },
+        _walk: function(visitor) {
+            return visitor._visit(this, function() {
+                this.condition._walk(visitor);
+                this.body._walk(visitor);
+                if (this.alternative) this.alternative._walk(visitor);
+            });
+        }
+    }, AST_StatementWithBody);
+    var AST_Switch = DEFNODE("Switch", "expression", {
+        $documentation: "A `switch` statement",
+        $propdoc: {
+            expression: "[AST_Node] the `switch` “discriminant”"
+        },
+        _walk: function(visitor) {
+            return visitor._visit(this, function() {
+                this.expression._walk(visitor);
+                walk_body(this, visitor);
+            });
+        }
+    }, AST_Block);
+    var AST_SwitchBranch = DEFNODE("SwitchBranch", null, {
+        $documentation: "Base class for `switch` branches"
+    }, AST_Block);
+    var AST_Default = DEFNODE("Default", null, {
+        $documentation: "A `default` switch branch"
+    }, AST_SwitchBranch);
+    var AST_Case = DEFNODE("Case", "expression", {
+        $documentation: "A `case` switch branch",
+        $propdoc: {
+            expression: "[AST_Node] the `case` expression"
+        },
+        _walk: function(visitor) {
+            return visitor._visit(this, function() {
+                this.expression._walk(visitor);
+                walk_body(this, visitor);
+            });
+        }
+    }, AST_SwitchBranch);
+    var AST_Try = DEFNODE("Try", "bcatch bfinally", {
+        $documentation: "A `try` statement",
+        $propdoc: {
+            bcatch: "[AST_Catch?] the catch block, or null if not present",
+            bfinally: "[AST_Finally?] the finally block, or null if not present"
+        },
+        _walk: function(visitor) {
+            return visitor._visit(this, function() {
+                walk_body(this, visitor);
+                if (this.bcatch) this.bcatch._walk(visitor);
+                if (this.bfinally) this.bfinally._walk(visitor);
+            });
+        }
+    }, AST_Block);
+    var AST_Catch = DEFNODE("Catch", "argname", {
+        $documentation: "A `catch` node; only makes sense as part of a `try` statement",
+        $propdoc: {
+            argname: "[AST_SymbolCatch] symbol for the exception"
+        },
+        _walk: function(visitor) {
+            return visitor._visit(this, function() {
+                this.argname._walk(visitor);
+                walk_body(this, visitor);
+            });
+        }
+    }, AST_Block);
+    var AST_Finally = DEFNODE("Finally", null, {
+        $documentation: "A `finally` node; only makes sense as part of a `try` statement"
+    }, AST_Block);
+    var AST_Definitions = DEFNODE("Definitions", "definitions", {
+        $documentation: "Base class for `var` or `const` nodes (variable declarations/initializations)",
+        $propdoc: {
+            definitions: "[AST_VarDef*] array of variable definitions"
+        },
+        _walk: function(visitor) {
+            return visitor._visit(this, function() {
+                this.definitions.forEach(function(def) {
+                    def._walk(visitor);
+                });
+            });
+        }
+    }, AST_Statement);
+    var AST_Var = DEFNODE("Var", null, {
+        $documentation: "A `var` statement"
+    }, AST_Definitions);
+    var AST_Const = DEFNODE("Const", null, {
+        $documentation: "A `const` statement"
+    }, AST_Definitions);
+    var AST_VarDef = DEFNODE("VarDef", "name value", {
+        $documentation: "A variable declaration; only appears in a AST_Definitions node",
+        $propdoc: {
+            name: "[AST_SymbolVar|AST_SymbolConst] name of the variable",
+            value: "[AST_Node?] initializer, or null of there's no initializer"
+        },
+        _walk: function(visitor) {
+            return visitor._visit(this, function() {
+                this.name._walk(visitor);
+                if (this.value) this.value._walk(visitor);
+            });
+        }
+    });
+    var AST_Call = DEFNODE("Call", "expression args", {
+        $documentation: "A function call expression",
+        $propdoc: {
+            expression: "[AST_Node] expression to invoke as function",
+            args: "[AST_Node*] array of arguments"
+        },
+        _walk: function(visitor) {
+            return visitor._visit(this, function() {
+                this.expression._walk(visitor);
+                this.args.forEach(function(arg) {
+                    arg._walk(visitor);
+                });
+            });
+        }
+    });
+    var AST_New = DEFNODE("New", null, {
+        $documentation: "An object instantiation.  Derives from a function call since it has exactly the same properties"
+    }, AST_Call);
+    var AST_Seq = DEFNODE("Seq", "car cdr", {
+        $documentation: "A sequence expression (two comma-separated expressions)",
+        $propdoc: {
+            car: "[AST_Node] first element in sequence",
+            cdr: "[AST_Node] second element in sequence"
+        },
+        $cons: function(x, y) {
+            var seq = new AST_Seq(x);
+            seq.car = x;
+            seq.cdr = y;
+            return seq;
+        },
+        $from_array: function(array) {
+            if (array.length == 0) return null;
+            if (array.length == 1) return array[0].clone();
+            var list = null;
+            for (var i = array.length; --i >= 0; ) {
+                list = AST_Seq.cons(array[i], list);
+            }
+            var p = list;
+            while (p) {
+                if (p.cdr && !p.cdr.cdr) {
+                    p.cdr = p.cdr.car;
+                    break;
+                }
+                p = p.cdr;
+            }
+            return list;
+        },
+        to_array: function() {
+            var p = this, a = [];
+            while (p) {
+                a.push(p.car);
+                if (p.cdr && !(p.cdr instanceof AST_Seq)) {
+                    a.push(p.cdr);
+                    break;
+                }
+                p = p.cdr;
+            }
+            return a;
+        },
+        add: function(node) {
+            var p = this;
+            while (p) {
+                if (!(p.cdr instanceof AST_Seq)) {
+                    var cell = AST_Seq.cons(p.cdr, node);
+                    return p.cdr = cell;
+                }
+                p = p.cdr;
+            }
+        },
+        _walk: function(visitor) {
+            return visitor._visit(this, function() {
+                this.car._walk(visitor);
+                if (this.cdr) this.cdr._walk(visitor);
+            });
+        }
+    });
+    var AST_PropAccess = DEFNODE("PropAccess", "expression property", {
+        $documentation: 'Base class for property access expressions, i.e. `a.foo` or `a["foo"]`',
+        $propdoc: {
+            expression: "[AST_Node] the “container” expression",
+            property: "[AST_Node|string] the property to access.  For AST_Dot this is always a plain string, while for AST_Sub it's an arbitrary AST_Node"
+        }
+    });
+    var AST_Dot = DEFNODE("Dot", null, {
+        $documentation: "A dotted property access expression",
+        _walk: function(visitor) {
+            return visitor._visit(this, function() {
+                this.expression._walk(visitor);
+            });
+        }
+    }, AST_PropAccess);
+    var AST_Sub = DEFNODE("Sub", null, {
+        $documentation: 'Index-style property access, i.e. `a["foo"]`',
+        _walk: function(visitor) {
+            return visitor._visit(this, function() {
+                this.expression._walk(visitor);
+                this.property._walk(visitor);
+            });
+        }
+    }, AST_PropAccess);
+    var AST_Unary = DEFNODE("Unary", "operator expression", {
+        $documentation: "Base class for unary expressions",
+        $propdoc: {
+            operator: "[string] the operator",
+            expression: "[AST_Node] expression that this unary operator applies to"
+        },
+        _walk: function(visitor) {
+            return visitor._visit(this, function() {
+                this.expression._walk(visitor);
+            });
+        }
+    });
+    var AST_UnaryPrefix = DEFNODE("UnaryPrefix", null, {
+        $documentation: "Unary prefix expression, i.e. `typeof i` or `++i`"
+    }, AST_Unary);
+    var AST_UnaryPostfix = DEFNODE("UnaryPostfix", null, {
+        $documentation: "Unary postfix expression, i.e. `i++`"
+    }, AST_Unary);
+    var AST_Binary = DEFNODE("Binary", "left operator right", {
+        $documentation: "Binary expression, i.e. `a + b`",
+        $propdoc: {
+            left: "[AST_Node] left-hand side expression",
+            operator: "[string] the operator",
+            right: "[AST_Node] right-hand side expression"
+        },
+        _walk: function(visitor) {
+            return visitor._visit(this, function() {
+                this.left._walk(visitor);
+                this.right._walk(visitor);
+            });
+        }
+    });
+    var AST_Conditional = DEFNODE("Conditional", "condition consequent alternative", {
+        $documentation: "Conditional expression using the ternary operator, i.e. `a ? b : c`",
+        $propdoc: {
+            condition: "[AST_Node]",
+            consequent: "[AST_Node]",
+            alternative: "[AST_Node]"
+        },
+        _walk: function(visitor) {
+            return visitor._visit(this, function() {
+                this.condition._walk(visitor);
+                this.consequent._walk(visitor);
+                this.alternative._walk(visitor);
+            });
+        }
+    });
+    var AST_Assign = DEFNODE("Assign", null, {
+        $documentation: "An assignment expression — `a = b + 5`"
+    }, AST_Binary);
+    var AST_Array = DEFNODE("Array", "elements", {
+        $documentation: "An array literal",
+        $propdoc: {
+            elements: "[AST_Node*] array of elements"
+        },
+        _walk: function(visitor) {
+            return visitor._visit(this, function() {
+                this.elements.forEach(function(el) {
+                    el._walk(visitor);
+                });
+            });
+        }
+    });
+    var AST_Object = DEFNODE("Object", "properties", {
+        $documentation: "An object literal",
+        $propdoc: {
+            properties: "[AST_ObjectProperty*] array of properties"
+        },
+        _walk: function(visitor) {
+            return visitor._visit(this, function() {
+                this.properties.forEach(function(prop) {
+                    prop._walk(visitor);
+                });
+            });
+        }
+    });
+    var AST_ObjectProperty = DEFNODE("ObjectProperty", "key value", {
+        $documentation: "Base class for literal object properties",
+        $propdoc: {
+            key: "[string] the property name; it's always a plain string in our AST, no matter if it was a string, number or identifier in original code",
+            value: "[AST_Node] property value.  For setters and getters this is an AST_Function."
+        },
+        _walk: function(visitor) {
+            return visitor._visit(this, function() {
+                this.value._walk(visitor);
+            });
+        }
+    });
+    var AST_ObjectKeyVal = DEFNODE("ObjectKeyVal", null, {
+        $documentation: "A key: value object property"
+    }, AST_ObjectProperty);
+    var AST_ObjectSetter = DEFNODE("ObjectSetter", null, {
+        $documentation: "An object setter property"
+    }, AST_ObjectProperty);
+    var AST_ObjectGetter = DEFNODE("ObjectGetter", null, {
+        $documentation: "An object getter property"
+    }, AST_ObjectProperty);
+    var AST_Symbol = DEFNODE("Symbol", "scope name thedef", {
+        $propdoc: {
+            name: "[string] name of this symbol",
+            scope: "[AST_Scope/S] the current scope (not necessarily the definition scope)",
+            thedef: "[SymbolDef/S] the definition of this symbol"
+        },
+        $documentation: "Base class for all symbols"
+    });
+    var AST_SymbolAccessor = DEFNODE("SymbolAccessor", null, {
+        $documentation: "The name of a property accessor (setter/getter function)"
+    }, AST_Symbol);
+    var AST_SymbolDeclaration = DEFNODE("SymbolDeclaration", "init", {
+        $documentation: "A declaration symbol (symbol in var/const, function name or argument, symbol in catch)",
+        $propdoc: {
+            init: "[AST_Node*/S] array of initializers for this declaration."
+        }
+    }, AST_Symbol);
+    var AST_SymbolVar = DEFNODE("SymbolVar", null, {
+        $documentation: "Symbol defining a variable"
+    }, AST_SymbolDeclaration);
+    var AST_SymbolConst = DEFNODE("SymbolConst", null, {
+        $documentation: "A constant declaration"
+    }, AST_SymbolDeclaration);
+    var AST_SymbolFunarg = DEFNODE("SymbolFunarg", null, {
+        $documentation: "Symbol naming a function argument"
+    }, AST_SymbolVar);
+    var AST_SymbolDefun = DEFNODE("SymbolDefun", null, {
+        $documentation: "Symbol defining a function"
+    }, AST_SymbolDeclaration);
+    var AST_SymbolLambda = DEFNODE("SymbolLambda", null, {
+        $documentation: "Symbol naming a function expression"
+    }, AST_SymbolDeclaration);
+    var AST_SymbolCatch = DEFNODE("SymbolCatch", null, {
+        $documentation: "Symbol naming the exception in catch"
+    }, AST_SymbolDeclaration);
+    var AST_Label = DEFNODE("Label", "references", {
+        $documentation: "Symbol naming a label (declaration)",
+        $propdoc: {
+            references: "[AST_LabelRef*] a list of nodes referring to this label"
+        }
+    }, AST_Symbol);
+    var AST_SymbolRef = DEFNODE("SymbolRef", null, {
+        $documentation: "Reference to some symbol (not definition/declaration)"
+    }, AST_Symbol);
+    var AST_LabelRef = DEFNODE("LabelRef", null, {
+        $documentation: "Reference to a label symbol"
+    }, AST_Symbol);
+    var AST_This = DEFNODE("This", null, {
+        $documentation: "The `this` symbol"
+    }, AST_Symbol);
+    var AST_Constant = DEFNODE("Constant", null, {
+        $documentation: "Base class for all constants",
+        getValue: function() {
+            return this.value;
+        }
+    });
+    var AST_String = DEFNODE("String", "value", {
+        $documentation: "A string literal",
+        $propdoc: {
+            value: "[string] the contents of this string"
+        }
+    }, AST_Constant);
+    var AST_Number = DEFNODE("Number", "value", {
+        $documentation: "A number literal",
+        $propdoc: {
+            value: "[number] the numeric value"
+        }
+    }, AST_Constant);
+    var AST_RegExp = DEFNODE("RegExp", "value", {
+        $documentation: "A regexp literal",
+        $propdoc: {
+            value: "[RegExp] the actual regexp"
+        }
+    }, AST_Constant);
+    var AST_Atom = DEFNODE("Atom", null, {
+        $documentation: "Base class for atoms"
+    }, AST_Constant);
+    var AST_Null = DEFNODE("Null", null, {
+        $documentation: "The `null` atom",
+        value: null
+    }, AST_Atom);
+    var AST_NaN = DEFNODE("NaN", null, {
+        $documentation: "The impossible value",
+        value: 0 / 0
+    }, AST_Atom);
+    var AST_Undefined = DEFNODE("Undefined", null, {
+        $documentation: "The `undefined` value",
+        value: function() {}()
+    }, AST_Atom);
+    var AST_Infinity = DEFNODE("Infinity", null, {
+        $documentation: "The `Infinity` value",
+        value: 1 / 0
+    }, AST_Atom);
+    var AST_Boolean = DEFNODE("Boolean", null, {
+        $documentation: "Base class for booleans"
+    }, AST_Atom);
+    var AST_False = DEFNODE("False", null, {
+        $documentation: "The `false` atom",
+        value: false
+    }, AST_Boolean);
+    var AST_True = DEFNODE("True", null, {
+        $documentation: "The `true` atom",
+        value: true
+    }, AST_Boolean);
+    function TreeWalker(callback) {
+        this.visit = callback;
+        this.stack = [];
+    }
+    TreeWalker.prototype = {
+        _visit: function(node, descend) {
+            this.stack.push(node);
+            var ret = this.visit(node, descend ? function() {
+                descend.call(node);
+            } : noop);
+            if (!ret && descend) {
+                descend.call(node);
+            }
+            this.stack.pop();
+            return ret;
+        },
+        parent: function(n) {
+            return this.stack[this.stack.length - 2 - (n || 0)];
+        },
+        push: function(node) {
+            this.stack.push(node);
+        },
+        pop: function() {
+            return this.stack.pop();
+        },
+        self: function() {
+            return this.stack[this.stack.length - 1];
+        },
+        find_parent: function(type) {
+            var stack = this.stack;
+            for (var i = stack.length; --i >= 0; ) {
+                var x = stack[i];
+                if (x instanceof type) return x;
+            }
+        },
+        in_boolean_context: function() {
+            var stack = this.stack;
+            var i = stack.length, self = stack[--i];
+            while (i > 0) {
+                var p = stack[--i];
+                if (p instanceof AST_If && p.condition === self || p instanceof AST_Conditional && p.condition === self || p instanceof AST_DWLoop && p.condition === self || p instanceof AST_For && p.condition === self || p instanceof AST_UnaryPrefix && p.operator == "!" && p.expression === self) {
+                    return true;
+                }
+                if (!(p instanceof AST_Binary && (p.operator == "&&" || p.operator == "||"))) return false;
+                self = p;
+            }
+        },
+        loopcontrol_target: function(label) {
+            var stack = this.stack;
+            if (label) {
+                for (var i = stack.length; --i >= 0; ) {
+                    var x = stack[i];
+                    if (x instanceof AST_LabeledStatement && x.label.name == label.name) {
+                        return x.body;
+                    }
+                }
+            } else {
+                for (var i = stack.length; --i >= 0; ) {
+                    var x = stack[i];
+                    if (x instanceof AST_Switch || x instanceof AST_For || x instanceof AST_ForIn || x instanceof AST_DWLoop) return x;
+                }
+            }
+        }
+    };
+    "use strict";
+    var KEYWORDS = "break case catch const continue debugger default delete do else finally for function if in instanceof new return switch throw try typeof var void while with";
+    var KEYWORDS_ATOM = "false null true";
+    var RESERVED_WORDS = "abstract boolean byte char class double enum export extends final float goto implements import int interface long native package private protected public short static super synchronized this throws transient volatile" + " " + KEYWORDS_ATOM + " " + KEYWORDS;
+    var KEYWORDS_BEFORE_EXPRESSION = "return new delete throw else case";
+    KEYWORDS = makePredicate(KEYWORDS);
+    RESERVED_WORDS = makePredicate(RESERVED_WORDS);
+    KEYWORDS_BEFORE_EXPRESSION = makePredicate(KEYWORDS_BEFORE_EXPRESSION);
+    KEYWORDS_ATOM = makePredicate(KEYWORDS_ATOM);
+    var OPERATOR_CHARS = makePredicate(characters("+-*&%=<>!?|~^"));
+    var RE_HEX_NUMBER = /^0x[0-9a-f]+$/i;
+    var RE_OCT_NUMBER = /^0[0-7]+$/;
+    var RE_DEC_NUMBER = /^\d*\.?\d*(?:e[+-]?\d*(?:\d\.?|\.?\d)\d*)?$/i;
+    var OPERATORS = makePredicate([ "in", "instanceof", "typeof", "new", "void", "delete", "++", "--", "+", "-", "!", "~", "&", "|", "^", "*", "/", "%", ">>", "<<", ">>>", "<", ">", "<=", ">=", "==", "===", "!=", "!==", "?", "=", "+=", "-=", "/=", "*=", "%=", ">>=", "<<=", ">>>=", "|=", "^=", "&=", "&&", "||" ]);
+    var WHITESPACE_CHARS = makePredicate(characters(" \u00a0\n\r\t\f\u000b\u200b\u180e\u2000\u2001\u2002\u2003\u2004\u2005\u2006\u2007\u2008\u2009\u200a\u202f\u205f\u3000"));
+    var PUNC_BEFORE_EXPRESSION = makePredicate(characters("[{(,.;:"));
+    var PUNC_CHARS = makePredicate(characters("[]{}(),;:"));
+    var REGEXP_MODIFIERS = makePredicate(characters("gmsiy"));
+    var UNICODE = {
+        letter: new RegExp("[\\u0041-\\u005A\\u0061-\\u007A\\u00AA\\u00B5\\u00BA\\u00C0-\\u00D6\\u00D8-\\u00F6\\u00F8-\\u02C1\\u02C6-\\u02D1\\u02E0-\\u02E4\\u02EC\\u02EE\\u0370-\\u0374\\u0376\\u0377\\u037A-\\u037D\\u0386\\u0388-\\u038A\\u038C\\u038E-\\u03A1\\u03A3-\\u03F5\\u03F7-\\u0481\\u048A-\\u0523\\u0531-\\u0556\\u0559\\u0561-\\u0587\\u05D0-\\u05EA\\u05F0-\\u05F2\\u0621-\\u064A\\u066E\\u066F\\u0671-\\u06D3\\u06D5\\u06E5\\u06E6\\u06EE\\u06EF\\u06FA-\\u06FC\\u06FF\\u0710\\u0712-\\u072F\\u074D-\\u07A5\\u07B1\\u07CA-\\u07EA\\u07F4\\u07F5\\u07FA\\u0904-\\u0939\\u093D\\u0950\\u0958-\\u0961\\u0971\\u0972\\u097B-\\u097F\\u0985-\\u098C\\u098F\\u0990\\u0993-\\u09A8\\u09AA-\\u09B0\\u09B2\\u09B6-\\u09B9\\u09BD\\u09CE\\u09DC\\u09DD\\u09DF-\\u09E1\\u09F0\\u09F1\\u0A05-\\u0A0A\\u0A0F\\u0A10\\u0A13-\\u0A28\\u0A2A-\\u0A30\\u0A32\\u0A33\\u0A35\\u0A36\\u0A38\\u0A39\\u0A59-\\u0A5C\\u0A5E\\u0A72-\\u0A74\\u0A85-\\u0A8D\\u0A8F-\\u0A91\\u0A93-\\u0AA8\\u0AAA-\\u0AB0\\u0AB2\\u0AB3\\u0AB5-\\u0AB9\\u0ABD\\u0AD0\\u0AE0\\u0AE1\\u0B05-\\u0B0C\\u0B0F\\u0B10\\u0B13-\\u0B28\\u0B2A-\\u0B30\\u0B32\\u0B33\\u0B35-\\u0B39\\u0B3D\\u0B5C\\u0B5D\\u0B5F-\\u0B61\\u0B71\\u0B83\\u0B85-\\u0B8A\\u0B8E-\\u0B90\\u0B92-\\u0B95\\u0B99\\u0B9A\\u0B9C\\u0B9E\\u0B9F\\u0BA3\\u0BA4\\u0BA8-\\u0BAA\\u0BAE-\\u0BB9\\u0BD0\\u0C05-\\u0C0C\\u0C0E-\\u0C10\\u0C12-\\u0C28\\u0C2A-\\u0C33\\u0C35-\\u0C39\\u0C3D\\u0C58\\u0C59\\u0C60\\u0C61\\u0C85-\\u0C8C\\u0C8E-\\u0C90\\u0C92-\\u0CA8\\u0CAA-\\u0CB3\\u0CB5-\\u0CB9\\u0CBD\\u0CDE\\u0CE0\\u0CE1\\u0D05-\\u0D0C\\u0D0E-\\u0D10\\u0D12-\\u0D28\\u0D2A-\\u0D39\\u0D3D\\u0D60\\u0D61\\u0D7A-\\u0D7F\\u0D85-\\u0D96\\u0D9A-\\u0DB1\\u0DB3-\\u0DBB\\u0DBD\\u0DC0-\\u0DC6\\u0E01-\\u0E30\\u0E32\\u0E33\\u0E40-\\u0E46\\u0E81\\u0E82\\u0E84\\u0E87\\u0E88\\u0E8A\\u0E8D\\u0E94-\\u0E97\\u0E99-\\u0E9F\\u0EA1-\\u0EA3\\u0EA5\\u0EA7\\u0EAA\\u0EAB\\u0EAD-\\u0EB0\\u0EB2\\u0EB3\\u0EBD\\u0EC0-\\u0EC4\\u0EC6\\u0EDC\\u0EDD\\u0F00\\u0F40-\\u0F47\\u0F49-\\u0F6C\\u0F88-\\u0F8B\\u1000-\\u102A\\u103F\\u1050-\\u1055\\u105A-\\u105D\\u1061\\u1065\\u1066\\u106E-\\u1070\\u1075-\\u1081\\u108E\\u10A0-\\u10C5\\u10D0-\\u10FA\\u10FC\\u1100-\\u1159\\u115F-\\u11A2\\u11A8-\\u11F9\\u1200-\\u1248\\u124A-\\u124D\\u1250-\\u1256\\u1258\\u125A-\\u125D\\u1260-\\u1288\\u128A-\\u128D\\u1290-\\u12B0\\u12B2-\\u12B5\\u12B8-\\u12BE\\u12C0\\u12C2-\\u12C5\\u12C8-\\u12D6\\u12D8-\\u1310\\u1312-\\u1315\\u1318-\\u135A\\u1380-\\u138F\\u13A0-\\u13F4\\u1401-\\u166C\\u166F-\\u1676\\u1681-\\u169A\\u16A0-\\u16EA\\u1700-\\u170C\\u170E-\\u1711\\u1720-\\u1731\\u1740-\\u1751\\u1760-\\u176C\\u176E-\\u1770\\u1780-\\u17B3\\u17D7\\u17DC\\u1820-\\u1877\\u1880-\\u18A8\\u18AA\\u1900-\\u191C\\u1950-\\u196D\\u1970-\\u1974\\u1980-\\u19A9\\u19C1-\\u19C7\\u1A00-\\u1A16\\u1B05-\\u1B33\\u1B45-\\u1B4B\\u1B83-\\u1BA0\\u1BAE\\u1BAF\\u1C00-\\u1C23\\u1C4D-\\u1C4F\\u1C5A-\\u1C7D\\u1D00-\\u1DBF\\u1E00-\\u1F15\\u1F18-\\u1F1D\\u1F20-\\u1F45\\u1F48-\\u1F4D\\u1F50-\\u1F57\\u1F59\\u1F5B\\u1F5D\\u1F5F-\\u1F7D\\u1F80-\\u1FB4\\u1FB6-\\u1FBC\\u1FBE\\u1FC2-\\u1FC4\\u1FC6-\\u1FCC\\u1FD0-\\u1FD3\\u1FD6-\\u1FDB\\u1FE0-\\u1FEC\\u1FF2-\\u1FF4\\u1FF6-\\u1FFC\\u2071\\u207F\\u2090-\\u2094\\u2102\\u2107\\u210A-\\u2113\\u2115\\u2119-\\u211D\\u2124\\u2126\\u2128\\u212A-\\u212D\\u212F-\\u2139\\u213C-\\u213F\\u2145-\\u2149\\u214E\\u2183\\u2184\\u2C00-\\u2C2E\\u2C30-\\u2C5E\\u2C60-\\u2C6F\\u2C71-\\u2C7D\\u2C80-\\u2CE4\\u2D00-\\u2D25\\u2D30-\\u2D65\\u2D6F\\u2D80-\\u2D96\\u2DA0-\\u2DA6\\u2DA8-\\u2DAE\\u2DB0-\\u2DB6\\u2DB8-\\u2DBE\\u2DC0-\\u2DC6\\u2DC8-\\u2DCE\\u2DD0-\\u2DD6\\u2DD8-\\u2DDE\\u2E2F\\u3005\\u3006\\u3031-\\u3035\\u303B\\u303C\\u3041-\\u3096\\u309D-\\u309F\\u30A1-\\u30FA\\u30FC-\\u30FF\\u3105-\\u312D\\u3131-\\u318E\\u31A0-\\u31B7\\u31F0-\\u31FF\\u3400\\u4DB5\\u4E00\\u9FC3\\uA000-\\uA48C\\uA500-\\uA60C\\uA610-\\uA61F\\uA62A\\uA62B\\uA640-\\uA65F\\uA662-\\uA66E\\uA67F-\\uA697\\uA717-\\uA71F\\uA722-\\uA788\\uA78B\\uA78C\\uA7FB-\\uA801\\uA803-\\uA805\\uA807-\\uA80A\\uA80C-\\uA822\\uA840-\\uA873\\uA882-\\uA8B3\\uA90A-\\uA925\\uA930-\\uA946\\uAA00-\\uAA28\\uAA40-\\uAA42\\uAA44-\\uAA4B\\uAC00\\uD7A3\\uF900-\\uFA2D\\uFA30-\\uFA6A\\uFA70-\\uFAD9\\uFB00-\\uFB06\\uFB13-\\uFB17\\uFB1D\\uFB1F-\\uFB28\\uFB2A-\\uFB36\\uFB38-\\uFB3C\\uFB3E\\uFB40\\uFB41\\uFB43\\uFB44\\uFB46-\\uFBB1\\uFBD3-\\uFD3D\\uFD50-\\uFD8F\\uFD92-\\uFDC7\\uFDF0-\\uFDFB\\uFE70-\\uFE74\\uFE76-\\uFEFC\\uFF21-\\uFF3A\\uFF41-\\uFF5A\\uFF66-\\uFFBE\\uFFC2-\\uFFC7\\uFFCA-\\uFFCF\\uFFD2-\\uFFD7\\uFFDA-\\uFFDC]"),
+        non_spacing_mark: new RegExp("[\\u0300-\\u036F\\u0483-\\u0487\\u0591-\\u05BD\\u05BF\\u05C1\\u05C2\\u05C4\\u05C5\\u05C7\\u0610-\\u061A\\u064B-\\u065E\\u0670\\u06D6-\\u06DC\\u06DF-\\u06E4\\u06E7\\u06E8\\u06EA-\\u06ED\\u0711\\u0730-\\u074A\\u07A6-\\u07B0\\u07EB-\\u07F3\\u0816-\\u0819\\u081B-\\u0823\\u0825-\\u0827\\u0829-\\u082D\\u0900-\\u0902\\u093C\\u0941-\\u0948\\u094D\\u0951-\\u0955\\u0962\\u0963\\u0981\\u09BC\\u09C1-\\u09C4\\u09CD\\u09E2\\u09E3\\u0A01\\u0A02\\u0A3C\\u0A41\\u0A42\\u0A47\\u0A48\\u0A4B-\\u0A4D\\u0A51\\u0A70\\u0A71\\u0A75\\u0A81\\u0A82\\u0ABC\\u0AC1-\\u0AC5\\u0AC7\\u0AC8\\u0ACD\\u0AE2\\u0AE3\\u0B01\\u0B3C\\u0B3F\\u0B41-\\u0B44\\u0B4D\\u0B56\\u0B62\\u0B63\\u0B82\\u0BC0\\u0BCD\\u0C3E-\\u0C40\\u0C46-\\u0C48\\u0C4A-\\u0C4D\\u0C55\\u0C56\\u0C62\\u0C63\\u0CBC\\u0CBF\\u0CC6\\u0CCC\\u0CCD\\u0CE2\\u0CE3\\u0D41-\\u0D44\\u0D4D\\u0D62\\u0D63\\u0DCA\\u0DD2-\\u0DD4\\u0DD6\\u0E31\\u0E34-\\u0E3A\\u0E47-\\u0E4E\\u0EB1\\u0EB4-\\u0EB9\\u0EBB\\u0EBC\\u0EC8-\\u0ECD\\u0F18\\u0F19\\u0F35\\u0F37\\u0F39\\u0F71-\\u0F7E\\u0F80-\\u0F84\\u0F86\\u0F87\\u0F90-\\u0F97\\u0F99-\\u0FBC\\u0FC6\\u102D-\\u1030\\u1032-\\u1037\\u1039\\u103A\\u103D\\u103E\\u1058\\u1059\\u105E-\\u1060\\u1071-\\u1074\\u1082\\u1085\\u1086\\u108D\\u109D\\u135F\\u1712-\\u1714\\u1732-\\u1734\\u1752\\u1753\\u1772\\u1773\\u17B7-\\u17BD\\u17C6\\u17C9-\\u17D3\\u17DD\\u180B-\\u180D\\u18A9\\u1920-\\u1922\\u1927\\u1928\\u1932\\u1939-\\u193B\\u1A17\\u1A18\\u1A56\\u1A58-\\u1A5E\\u1A60\\u1A62\\u1A65-\\u1A6C\\u1A73-\\u1A7C\\u1A7F\\u1B00-\\u1B03\\u1B34\\u1B36-\\u1B3A\\u1B3C\\u1B42\\u1B6B-\\u1B73\\u1B80\\u1B81\\u1BA2-\\u1BA5\\u1BA8\\u1BA9\\u1C2C-\\u1C33\\u1C36\\u1C37\\u1CD0-\\u1CD2\\u1CD4-\\u1CE0\\u1CE2-\\u1CE8\\u1CED\\u1DC0-\\u1DE6\\u1DFD-\\u1DFF\\u20D0-\\u20DC\\u20E1\\u20E5-\\u20F0\\u2CEF-\\u2CF1\\u2DE0-\\u2DFF\\u302A-\\u302F\\u3099\\u309A\\uA66F\\uA67C\\uA67D\\uA6F0\\uA6F1\\uA802\\uA806\\uA80B\\uA825\\uA826\\uA8C4\\uA8E0-\\uA8F1\\uA926-\\uA92D\\uA947-\\uA951\\uA980-\\uA982\\uA9B3\\uA9B6-\\uA9B9\\uA9BC\\uAA29-\\uAA2E\\uAA31\\uAA32\\uAA35\\uAA36\\uAA43\\uAA4C\\uAAB0\\uAAB2-\\uAAB4\\uAAB7\\uAAB8\\uAABE\\uAABF\\uAAC1\\uABE5\\uABE8\\uABED\\uFB1E\\uFE00-\\uFE0F\\uFE20-\\uFE26]"),
+        space_combining_mark: new RegExp("[\\u0903\\u093E-\\u0940\\u0949-\\u094C\\u094E\\u0982\\u0983\\u09BE-\\u09C0\\u09C7\\u09C8\\u09CB\\u09CC\\u09D7\\u0A03\\u0A3E-\\u0A40\\u0A83\\u0ABE-\\u0AC0\\u0AC9\\u0ACB\\u0ACC\\u0B02\\u0B03\\u0B3E\\u0B40\\u0B47\\u0B48\\u0B4B\\u0B4C\\u0B57\\u0BBE\\u0BBF\\u0BC1\\u0BC2\\u0BC6-\\u0BC8\\u0BCA-\\u0BCC\\u0BD7\\u0C01-\\u0C03\\u0C41-\\u0C44\\u0C82\\u0C83\\u0CBE\\u0CC0-\\u0CC4\\u0CC7\\u0CC8\\u0CCA\\u0CCB\\u0CD5\\u0CD6\\u0D02\\u0D03\\u0D3E-\\u0D40\\u0D46-\\u0D48\\u0D4A-\\u0D4C\\u0D57\\u0D82\\u0D83\\u0DCF-\\u0DD1\\u0DD8-\\u0DDF\\u0DF2\\u0DF3\\u0F3E\\u0F3F\\u0F7F\\u102B\\u102C\\u1031\\u1038\\u103B\\u103C\\u1056\\u1057\\u1062-\\u1064\\u1067-\\u106D\\u1083\\u1084\\u1087-\\u108C\\u108F\\u109A-\\u109C\\u17B6\\u17BE-\\u17C5\\u17C7\\u17C8\\u1923-\\u1926\\u1929-\\u192B\\u1930\\u1931\\u1933-\\u1938\\u19B0-\\u19C0\\u19C8\\u19C9\\u1A19-\\u1A1B\\u1A55\\u1A57\\u1A61\\u1A63\\u1A64\\u1A6D-\\u1A72\\u1B04\\u1B35\\u1B3B\\u1B3D-\\u1B41\\u1B43\\u1B44\\u1B82\\u1BA1\\u1BA6\\u1BA7\\u1BAA\\u1C24-\\u1C2B\\u1C34\\u1C35\\u1CE1\\u1CF2\\uA823\\uA824\\uA827\\uA880\\uA881\\uA8B4-\\uA8C3\\uA952\\uA953\\uA983\\uA9B4\\uA9B5\\uA9BA\\uA9BB\\uA9BD-\\uA9C0\\uAA2F\\uAA30\\uAA33\\uAA34\\uAA4D\\uAA7B\\uABE3\\uABE4\\uABE6\\uABE7\\uABE9\\uABEA\\uABEC]"),
+        connector_punctuation: new RegExp("[\\u005F\\u203F\\u2040\\u2054\\uFE33\\uFE34\\uFE4D-\\uFE4F\\uFF3F]")
+    };
+    function is_letter(code) {
+        return code >= 97 && code <= 122 || code >= 65 && code <= 90 || code >= 170 && UNICODE.letter.test(String.fromCharCode(code));
+    }
+    function is_digit(code) {
+        return code >= 48 && code <= 57;
+    }
+    function is_alphanumeric_char(code) {
+        return is_digit(code) || is_letter(code);
+    }
+    function is_unicode_combining_mark(ch) {
+        return UNICODE.non_spacing_mark.test(ch) || UNICODE.space_combining_mark.test(ch);
+    }
+    function is_unicode_connector_punctuation(ch) {
+        return UNICODE.connector_punctuation.test(ch);
+    }
+    function is_identifier(name) {
+        return /^[a-z_$][a-z0-9_$]*$/i.test(name) && !RESERVED_WORDS(name);
+    }
+    function is_identifier_start(code) {
+        return code == 36 || code == 95 || is_letter(code);
+    }
+    function is_identifier_char(ch) {
+        var code = ch.charCodeAt(0);
+        return is_identifier_start(code) || is_digit(code) || code == 8204 || code == 8205 || is_unicode_combining_mark(ch) || is_unicode_connector_punctuation(ch);
+    }
+    function parse_js_number(num) {
+        if (RE_HEX_NUMBER.test(num)) {
+            return parseInt(num.substr(2), 16);
+        } else if (RE_OCT_NUMBER.test(num)) {
+            return parseInt(num.substr(1), 8);
+        } else if (RE_DEC_NUMBER.test(num)) {
+            return parseFloat(num);
+        }
+    }
+    function JS_Parse_Error(message, line, col, pos) {
+        this.message = message;
+        this.line = line;
+        this.col = col;
+        this.pos = pos;
+        this.stack = new Error().stack;
+    }
+    JS_Parse_Error.prototype.toString = function() {
+        return this.message + " (line: " + this.line + ", col: " + this.col + ", pos: " + this.pos + ")" + "\n\n" + this.stack;
+    };
+    function js_error(message, filename, line, col, pos) {
+        AST_Node.warn("ERROR: {message} [{file}:{line},{col}]", {
+            message: message,
+            file: filename,
+            line: line,
+            col: col
+        });
+        throw new JS_Parse_Error(message, line, col, pos);
+    }
+    function is_token(token, type, val) {
+        return token.type == type && (val == null || token.value == val);
+    }
+    var EX_EOF = {};
+    function tokenizer($TEXT, filename) {
+        var S = {
+            text: $TEXT.replace(/\r\n?|[\n\u2028\u2029]/g, "\n").replace(/\uFEFF/g, ""),
+            filename: filename,
+            pos: 0,
+            tokpos: 0,
+            line: 1,
+            tokline: 0,
+            col: 0,
+            tokcol: 0,
+            newline_before: false,
+            regex_allowed: false,
+            comments_before: []
+        };
+        function peek() {
+            return S.text.charAt(S.pos);
+        }
+        function next(signal_eof, in_string) {
+            var ch = S.text.charAt(S.pos++);
+            if (signal_eof && !ch) throw EX_EOF;
+            if (ch == "\n") {
+                S.newline_before = S.newline_before || !in_string;
+                ++S.line;
+                S.col = 0;
+            } else {
+                ++S.col;
+            }
+            return ch;
+        }
+        function find(what, signal_eof) {
+            var pos = S.text.indexOf(what, S.pos);
+            if (signal_eof && pos == -1) throw EX_EOF;
+            return pos;
+        }
+        function start_token() {
+            S.tokline = S.line;
+            S.tokcol = S.col;
+            S.tokpos = S.pos;
+        }
+        function token(type, value, is_comment) {
+            S.regex_allowed = type == "operator" && !UNARY_POSTFIX[value] || type == "keyword" && KEYWORDS_BEFORE_EXPRESSION(value) || type == "punc" && PUNC_BEFORE_EXPRESSION(value);
+            var ret = {
+                type: type,
+                value: value,
+                line: S.tokline,
+                col: S.tokcol,
+                pos: S.tokpos,
+                endpos: S.pos,
+                nlb: S.newline_before,
+                file: filename
+            };
+            if (!is_comment) {
+                ret.comments_before = S.comments_before;
+                S.comments_before = [];
+                for (var i = 0, len = ret.comments_before.length; i < len; i++) {
+                    ret.nlb = ret.nlb || ret.comments_before[i].nlb;
+                }
+            }
+            S.newline_before = false;
+            return new AST_Token(ret);
+        }
+        function skip_whitespace() {
+            while (WHITESPACE_CHARS(peek())) next();
+        }
+        function read_while(pred) {
+            var ret = "", ch, i = 0;
+            while ((ch = peek()) && pred(ch, i++)) ret += next();
+            return ret;
+        }
+        function parse_error(err) {
+            js_error(err, filename, S.tokline, S.tokcol, S.tokpos);
+        }
+        function read_num(prefix) {
+            var has_e = false, after_e = false, has_x = false, has_dot = prefix == ".";
+            var num = read_while(function(ch, i) {
+                var code = ch.charCodeAt(0);
+                switch (code) {
+                  case 120:
+                  case 88:
+                    return has_x ? false : has_x = true;
+
+                  case 101:
+                  case 69:
+                    return has_x ? true : has_e ? false : has_e = after_e = true;
+
+                  case 45:
+                    return after_e || i == 0 && !prefix;
+
+                  case 43:
+                    return after_e;
+
+                  case after_e = false, 46:
+                    return !has_dot && !has_x && !has_e ? has_dot = true : false;
+                }
+                return is_alphanumeric_char(code);
+            });
+            if (prefix) num = prefix + num;
+            var valid = parse_js_number(num);
+            if (!isNaN(valid)) {
+                return token("num", valid);
+            } else {
+                parse_error("Invalid syntax: " + num);
+            }
+        }
+        function read_escaped_char(in_string) {
+            var ch = next(true, in_string);
+            switch (ch.charCodeAt(0)) {
+              case 110:
+                return "\n";
+
+              case 114:
+                return "\r";
+
+              case 116:
+                return "	";
+
+              case 98:
+                return "\b";
+
+              case 118:
+                return "";
+
+              case 102:
+                return "\f";
+
+              case 48:
+                return "\0";
+
+              case 120:
+                return String.fromCharCode(hex_bytes(2));
+
+              case 117:
+                return String.fromCharCode(hex_bytes(4));
+
+              case 10:
+                return "";
+
+              default:
+                return ch;
+            }
+        }
+        function hex_bytes(n) {
+            var num = 0;
+            for (;n > 0; --n) {
+                var digit = parseInt(next(true), 16);
+                if (isNaN(digit)) parse_error("Invalid hex-character pattern in string");
+                num = num << 4 | digit;
+            }
+            return num;
+        }
+        var read_string = with_eof_error("Unterminated string constant", function() {
+            var quote = next(), ret = "";
+            for (;;) {
+                var ch = next(true);
+                if (ch == "\\") {
+                    var octal_len = 0, first = null;
+                    ch = read_while(function(ch) {
+                        if (ch >= "0" && ch <= "7") {
+                            if (!first) {
+                                first = ch;
+                                return ++octal_len;
+                            } else if (first <= "3" && octal_len <= 2) return ++octal_len; else if (first >= "4" && octal_len <= 1) return ++octal_len;
+                        }
+                        return false;
+                    });
+                    if (octal_len > 0) ch = String.fromCharCode(parseInt(ch, 8)); else ch = read_escaped_char(true);
+                } else if (ch == quote) break;
+                ret += ch;
+            }
+            return token("string", ret);
+        });
+        function read_line_comment() {
+            next();
+            var i = find("\n"), ret;
+            if (i == -1) {
+                ret = S.text.substr(S.pos);
+                S.pos = S.text.length;
+            } else {
+                ret = S.text.substring(S.pos, i);
+                S.pos = i;
+            }
+            return token("comment1", ret, true);
+        }
+        var read_multiline_comment = with_eof_error("Unterminated multiline comment", function() {
+            next();
+            var i = find("*/", true);
+            var text = S.text.substring(S.pos, i);
+            var a = text.split("\n"), n = a.length;
+            S.pos = i + 2;
+            S.line += n - 1;
+            if (n > 1) S.col = a[n - 1].length; else S.col += a[n - 1].length;
+            S.col += 2;
+            S.newline_before = S.newline_before || text.indexOf("\n") >= 0;
+            return token("comment2", text, true);
+        });
+        function read_name() {
+            var backslash = false, name = "", ch, escaped = false, hex;
+            while ((ch = peek()) != null) {
+                if (!backslash) {
+                    if (ch == "\\") escaped = backslash = true, next(); else if (is_identifier_char(ch)) name += next(); else break;
+                } else {
+                    if (ch != "u") parse_error("Expecting UnicodeEscapeSequence -- uXXXX");
+                    ch = read_escaped_char();
+                    if (!is_identifier_char(ch)) parse_error("Unicode char: " + ch.charCodeAt(0) + " is not valid in identifier");
+                    name += ch;
+                    backslash = false;
+                }
+            }
+            if (KEYWORDS(name) && escaped) {
+                hex = name.charCodeAt(0).toString(16).toUpperCase();
+                name = "\\u" + "0000".substr(hex.length) + hex + name.slice(1);
+            }
+            return name;
+        }
+        var read_regexp = with_eof_error("Unterminated regular expression", function(regexp) {
+            var prev_backslash = false, ch, in_class = false;
+            while (ch = next(true)) if (prev_backslash) {
+                regexp += "\\" + ch;
+                prev_backslash = false;
+            } else if (ch == "[") {
+                in_class = true;
+                regexp += ch;
+            } else if (ch == "]" && in_class) {
+                in_class = false;
+                regexp += ch;
+            } else if (ch == "/" && !in_class) {
+                break;
+            } else if (ch == "\\") {
+                prev_backslash = true;
+            } else {
+                regexp += ch;
+            }
+            var mods = read_name();
+            return token("regexp", new RegExp(regexp, mods));
+        });
+        function read_operator(prefix) {
+            function grow(op) {
+                if (!peek()) return op;
+                var bigger = op + peek();
+                if (OPERATORS(bigger)) {
+                    next();
+                    return grow(bigger);
+                } else {
+                    return op;
+                }
+            }
+            return token("operator", grow(prefix || next()));
+        }
+        function handle_slash() {
+            next();
+            var regex_allowed = S.regex_allowed;
+            switch (peek()) {
+              case "/":
+                S.comments_before.push(read_line_comment());
+                S.regex_allowed = regex_allowed;
+                return next_token();
+
+              case "*":
+                S.comments_before.push(read_multiline_comment());
+                S.regex_allowed = regex_allowed;
+                return next_token();
+            }
+            return S.regex_allowed ? read_regexp("") : read_operator("/");
+        }
+        function handle_dot() {
+            next();
+            return is_digit(peek().charCodeAt(0)) ? read_num(".") : token("punc", ".");
+        }
+        function read_word() {
+            var word = read_name();
+            return KEYWORDS_ATOM(word) ? token("atom", word) : !KEYWORDS(word) ? token("name", word) : OPERATORS(word) ? token("operator", word) : token("keyword", word);
+        }
+        function with_eof_error(eof_error, cont) {
+            return function(x) {
+                try {
+                    return cont(x);
+                } catch (ex) {
+                    if (ex === EX_EOF) parse_error(eof_error); else throw ex;
+                }
+            };
+        }
+        function next_token(force_regexp) {
+            if (force_regexp != null) return read_regexp(force_regexp);
+            skip_whitespace();
+            start_token();
+            var ch = peek();
+            if (!ch) return token("eof");
+            var code = ch.charCodeAt(0);
+            switch (code) {
+              case 34:
+              case 39:
+                return read_string();
+
+              case 46:
+                return handle_dot();
+
+              case 47:
+                return handle_slash();
+            }
+            if (is_digit(code)) return read_num();
+            if (PUNC_CHARS(ch)) return token("punc", next());
+            if (OPERATOR_CHARS(ch)) return read_operator();
+            if (code == 92 || is_identifier_start(code)) return read_word();
+            parse_error("Unexpected character '" + ch + "'");
+        }
+        next_token.context = function(nc) {
+            if (nc) S = nc;
+            return S;
+        };
+        return next_token;
+    }
+    var UNARY_PREFIX = makePredicate([ "typeof", "void", "delete", "--", "++", "!", "~", "-", "+" ]);
+    var UNARY_POSTFIX = makePredicate([ "--", "++" ]);
+    var ASSIGNMENT = makePredicate([ "=", "+=", "-=", "/=", "*=", "%=", ">>=", "<<=", ">>>=", "|=", "^=", "&=" ]);
+    var PRECEDENCE = function(a, ret) {
+        for (var i = 0, n = 1; i < a.length; ++i, ++n) {
+            var b = a[i];
+            for (var j = 0; j < b.length; ++j) {
+                ret[b[j]] = n;
+            }
+        }
+        return ret;
+    }([ [ "||" ], [ "&&" ], [ "|" ], [ "^" ], [ "&" ], [ "==", "===", "!=", "!==" ], [ "<", ">", "<=", ">=", "in", "instanceof" ], [ ">>", "<<", ">>>" ], [ "+", "-" ], [ "*", "/", "%" ] ], {});
+    var STATEMENTS_WITH_LABELS = array_to_hash([ "for", "do", "while", "switch" ]);
+    var ATOMIC_START_TOKEN = array_to_hash([ "atom", "num", "string", "regexp", "name" ]);
+    function parse($TEXT, options) {
+        options = defaults(options, {
+            strict: false,
+            filename: null,
+            toplevel: null
+        });
+        var S = {
+            input: typeof $TEXT == "string" ? tokenizer($TEXT, options.filename) : $TEXT,
+            token: null,
+            prev: null,
+            peeked: null,
+            in_function: 0,
+            in_directives: true,
+            in_loop: 0,
+            labels: []
+        };
+        S.token = next();
+        function is(type, value) {
+            return is_token(S.token, type, value);
+        }
+        function peek() {
+            return S.peeked || (S.peeked = S.input());
+        }
+        function next() {
+            S.prev = S.token;
+            if (S.peeked) {
+                S.token = S.peeked;
+                S.peeked = null;
+            } else {
+                S.token = S.input();
+            }
+            S.in_directives = S.in_directives && (S.token.type == "string" || is("punc", ";"));
+            return S.token;
+        }
+        function prev() {
+            return S.prev;
+        }
+        function croak(msg, line, col, pos) {
+            var ctx = S.input.context();
+            js_error(msg, ctx.filename, line != null ? line : ctx.tokline, col != null ? col : ctx.tokcol, pos != null ? pos : ctx.tokpos);
+        }
+        function token_error(token, msg) {
+            croak(msg, token.line, token.col);
+        }
+        function unexpected(token) {
+            if (token == null) token = S.token;
+            token_error(token, "Unexpected token: " + token.type + " (" + token.value + ")");
+        }
+        function expect_token(type, val) {
+            if (is(type, val)) {
+                return next();
+            }
+            token_error(S.token, "Unexpected token " + S.token.type + " «" + S.token.value + "»" + ", expected " + type + " «" + val + "»");
+        }
+        function expect(punc) {
+            return expect_token("punc", punc);
+        }
+        function can_insert_semicolon() {
+            return !options.strict && (S.token.nlb || is("eof") || is("punc", "}"));
+        }
+        function semicolon() {
+            if (is("punc", ";")) next(); else if (!can_insert_semicolon()) unexpected();
+        }
+        function parenthesised() {
+            expect("(");
+            var exp = expression(true);
+            expect(")");
+            return exp;
+        }
+        function embed_tokens(parser) {
+            return function() {
+                var start = S.token;
+                var expr = parser();
+                var end = prev();
+                expr.start = start;
+                expr.end = end;
+                return expr;
+            };
+        }
+        var statement = embed_tokens(function() {
+            var tmp;
+            if (is("operator", "/") || is("operator", "/=")) {
+                S.peeked = null;
+                S.token = S.input(S.token.value.substr(1));
+            }
+            switch (S.token.type) {
+              case "string":
+                var dir = S.in_directives, stat = simple_statement();
+                if (dir && stat.body instanceof AST_String && !is("punc", ",")) return new AST_Directive({
+                    value: stat.body.value
+                });
+                return stat;
+
+              case "num":
+              case "regexp":
+              case "operator":
+              case "atom":
+                return simple_statement();
+
+              case "name":
+                return is_token(peek(), "punc", ":") ? labeled_statement() : simple_statement();
+
+              case "punc":
+                switch (S.token.value) {
+                  case "{":
+                    return new AST_BlockStatement({
+                        start: S.token,
+                        body: block_(),
+                        end: prev()
+                    });
+
+                  case "[":
+                  case "(":
+                    return simple_statement();
+
+                  case ";":
+                    next();
+                    return new AST_EmptyStatement();
+
+                  default:
+                    unexpected();
+                }
+
+              case "keyword":
+                switch (tmp = S.token.value, next(), tmp) {
+                  case "break":
+                    return break_cont(AST_Break);
+
+                  case "continue":
+                    return break_cont(AST_Continue);
+
+                  case "debugger":
+                    semicolon();
+                    return new AST_Debugger();
+
+                  case "do":
+                    return new AST_Do({
+                        body: in_loop(statement),
+                        condition: (expect_token("keyword", "while"), tmp = parenthesised(), semicolon(),
+                        tmp)
+                    });
+
+                  case "while":
+                    return new AST_While({
+                        condition: parenthesised(),
+                        body: in_loop(statement)
+                    });
+
+                  case "for":
+                    return for_();
+
+                  case "function":
+                    return function_(true);
+
+                  case "if":
+                    return if_();
+
+                  case "return":
+                    if (S.in_function == 0) croak("'return' outside of function");
+                    return new AST_Return({
+                        value: is("punc", ";") ? (next(), null) : can_insert_semicolon() ? null : (tmp = expression(true),
+                        semicolon(), tmp)
+                    });
+
+                  case "switch":
+                    return new AST_Switch({
+                        expression: parenthesised(),
+                        body: in_loop(switch_body_)
+                    });
+
+                  case "throw":
+                    if (S.token.nlb) croak("Illegal newline after 'throw'");
+                    return new AST_Throw({
+                        value: (tmp = expression(true), semicolon(), tmp)
+                    });
+
+                  case "try":
+                    return try_();
+
+                  case "var":
+                    return tmp = var_(), semicolon(), tmp;
+
+                  case "const":
+                    return tmp = const_(), semicolon(), tmp;
+
+                  case "with":
+                    return new AST_With({
+                        expression: parenthesised(),
+                        body: statement()
+                    });
+
+                  default:
+                    unexpected();
+                }
+            }
+        });
+        function labeled_statement() {
+            var label = as_symbol(AST_Label);
+            if (find_if(function(l) {
+                return l.name == label.name;
+            }, S.labels)) {
+                croak("Label " + label.name + " defined twice");
+            }
+            expect(":");
+            S.labels.push(label);
+            var stat = statement();
+            S.labels.pop();
+            return new AST_LabeledStatement({
+                body: stat,
+                label: label
+            });
+        }
+        function simple_statement(tmp) {
+            return new AST_SimpleStatement({
+                body: (tmp = expression(true), semicolon(), tmp)
+            });
+        }
+        function break_cont(type) {
+            var label = null;
+            if (!can_insert_semicolon()) {
+                label = as_symbol(AST_LabelRef, true);
+            }
+            if (label != null) {
+                if (!find_if(function(l) {
+                    return l.name == label.name;
+                }, S.labels)) croak("Undefined label " + label.name);
+            } else if (S.in_loop == 0) croak(type.TYPE + " not inside a loop or switch");
+            semicolon();
+            return new type({
+                label: label
+            });
+        }
+        function for_() {
+            expect("(");
+            var init = null;
+            if (!is("punc", ";")) {
+                init = is("keyword", "var") ? (next(), var_(true)) : expression(true, true);
+                if (is("operator", "in")) {
+                    if (init instanceof AST_Var && init.definitions.length > 1) croak("Only one variable declaration allowed in for..in loop");
+                    next();
+                    return for_in(init);
+                }
+            }
+            return regular_for(init);
+        }
+        function regular_for(init) {
+            expect(";");
+            var test = is("punc", ";") ? null : expression(true);
+            expect(";");
+            var step = is("punc", ")") ? null : expression(true);
+            expect(")");
+            return new AST_For({
+                init: init,
+                condition: test,
+                step: step,
+                body: in_loop(statement)
+            });
+        }
+        function for_in(init) {
+            var lhs = init instanceof AST_Var ? init.definitions[0].name : null;
+            var obj = expression(true);
+            expect(")");
+            return new AST_ForIn({
+                init: init,
+                name: lhs,
+                object: obj,
+                body: in_loop(statement)
+            });
+        }
+        var function_ = function(in_statement, ctor) {
+            var is_accessor = ctor === AST_Accessor;
+            var name = is("name") ? as_symbol(in_statement ? AST_SymbolDefun : is_accessor ? AST_SymbolAccessor : AST_SymbolLambda) : is_accessor && (is("string") || is("num")) ? as_atom_node() : null;
+            if (in_statement && !name) unexpected();
+            expect("(");
+            if (!ctor) ctor = in_statement ? AST_Defun : AST_Function;
+            return new ctor({
+                name: name,
+                argnames: function(first, a) {
+                    while (!is("punc", ")")) {
+                        if (first) first = false; else expect(",");
+                        a.push(as_symbol(AST_SymbolFunarg));
+                    }
+                    next();
+                    return a;
+                }(true, []),
+                body: function(loop, labels) {
+                    ++S.in_function;
+                    S.in_directives = true;
+                    S.in_loop = 0;
+                    S.labels = [];
+                    var a = block_();
+                    --S.in_function;
+                    S.in_loop = loop;
+                    S.labels = labels;
+                    return a;
+                }(S.in_loop, S.labels)
+            });
+        };
+        function if_() {
+            var cond = parenthesised(), body = statement(), belse = null;
+            if (is("keyword", "else")) {
+                next();
+                belse = statement();
+            }
+            return new AST_If({
+                condition: cond,
+                body: body,
+                alternative: belse
+            });
+        }
+        function block_() {
+            expect("{");
+            var a = [];
+            while (!is("punc", "}")) {
+                if (is("eof")) unexpected();
+                a.push(statement());
+            }
+            next();
+            return a;
+        }
+        function switch_body_() {
+            expect("{");
+            var a = [], cur = null, branch = null, tmp;
+            while (!is("punc", "}")) {
+                if (is("eof")) unexpected();
+                if (is("keyword", "case")) {
+                    if (branch) branch.end = prev();
+                    cur = [];
+                    branch = new AST_Case({
+                        start: (tmp = S.token, next(), tmp),
+                        expression: expression(true),
+                        body: cur
+                    });
+                    a.push(branch);
+                    expect(":");
+                } else if (is("keyword", "default")) {
+                    if (branch) branch.end = prev();
+                    cur = [];
+                    branch = new AST_Default({
+                        start: (tmp = S.token, next(), expect(":"), tmp),
+                        body: cur
+                    });
+                    a.push(branch);
+                } else {
+                    if (!cur) unexpected();
+                    cur.push(statement());
+                }
+            }
+            if (branch) branch.end = prev();
+            next();
+            return a;
+        }
+        function try_() {
+            var body = block_(), bcatch = null, bfinally = null;
+            if (is("keyword", "catch")) {
+                var start = S.token;
+                next();
+                expect("(");
+                var name = as_symbol(AST_SymbolCatch);
+                expect(")");
+                bcatch = new AST_Catch({
+                    start: start,
+                    argname: name,
+                    body: block_(),
+                    end: prev()
+                });
+            }
+            if (is("keyword", "finally")) {
+                var start = S.token;
+                next();
+                bfinally = new AST_Finally({
+                    start: start,
+                    body: block_(),
+                    end: prev()
+                });
+            }
+            if (!bcatch && !bfinally) croak("Missing catch/finally blocks");
+            return new AST_Try({
+                body: body,
+                bcatch: bcatch,
+                bfinally: bfinally
+            });
+        }
+        function vardefs(no_in, in_const) {
+            var a = [];
+            for (;;) {
+                a.push(new AST_VarDef({
+                    start: S.token,
+                    name: as_symbol(in_const ? AST_SymbolConst : AST_SymbolVar),
+                    value: is("operator", "=") ? (next(), expression(false, no_in)) : null,
+                    end: prev()
+                }));
+                if (!is("punc", ",")) break;
+                next();
+            }
+            return a;
+        }
+        var var_ = function(no_in) {
+            return new AST_Var({
+                start: prev(),
+                definitions: vardefs(no_in, false),
+                end: prev()
+            });
+        };
+        var const_ = function() {
+            return new AST_Const({
+                start: prev(),
+                definitions: vardefs(false, true),
+                end: prev()
+            });
+        };
+        var new_ = function() {
+            var start = S.token;
+            expect_token("operator", "new");
+            var newexp = expr_atom(false), args;
+            if (is("punc", "(")) {
+                next();
+                args = expr_list(")");
+            } else {
+                args = [];
+            }
+            return subscripts(new AST_New({
+                start: start,
+                expression: newexp,
+                args: args,
+                end: prev()
+            }), true);
+        };
+        function as_atom_node() {
+            var tok = S.token, ret;
+            switch (tok.type) {
+              case "name":
+                return as_symbol(AST_SymbolRef);
+
+              case "num":
+                ret = new AST_Number({
+                    start: tok,
+                    end: tok,
+                    value: tok.value
+                });
+                break;
+
+              case "string":
+                ret = new AST_String({
+                    start: tok,
+                    end: tok,
+                    value: tok.value
+                });
+                break;
+
+              case "regexp":
+                ret = new AST_RegExp({
+                    start: tok,
+                    end: tok,
+                    value: tok.value
+                });
+                break;
+
+              case "atom":
+                switch (tok.value) {
+                  case "false":
+                    ret = new AST_False({
+                        start: tok,
+                        end: tok
+                    });
+                    break;
+
+                  case "true":
+                    ret = new AST_True({
+                        start: tok,
+                        end: tok
+                    });
+                    break;
+
+                  case "null":
+                    ret = new AST_Null({
+                        start: tok,
+                        end: tok
+                    });
+                    break;
+                }
+                break;
+            }
+            next();
+            return ret;
+        }
+        var expr_atom = function(allow_calls) {
+            if (is("operator", "new")) {
+                return new_();
+            }
+            var start = S.token;
+            if (is("punc")) {
+                switch (start.value) {
+                  case "(":
+                    next();
+                    var ex = expression(true);
+                    ex.start = start;
+                    ex.end = S.token;
+                    expect(")");
+                    return subscripts(ex, allow_calls);
+
+                  case "[":
+                    return subscripts(array_(), allow_calls);
+
+                  case "{":
+                    return subscripts(object_(), allow_calls);
+                }
+                unexpected();
+            }
+            if (is("keyword", "function")) {
+                next();
+                var func = function_(false);
+                func.start = start;
+                func.end = prev();
+                return subscripts(func, allow_calls);
+            }
+            if (ATOMIC_START_TOKEN[S.token.type]) {
+                return subscripts(as_atom_node(), allow_calls);
+            }
+            unexpected();
+        };
+        function expr_list(closing, allow_trailing_comma, allow_empty) {
+            var first = true, a = [];
+            while (!is("punc", closing)) {
+                if (first) first = false; else expect(",");
+                if (allow_trailing_comma && is("punc", closing)) break;
+                if (is("punc", ",") && allow_empty) {
+                    a.push(new AST_Undefined({
+                        start: S.token,
+                        end: S.token
+                    }));
+                } else {
+                    a.push(expression(false));
+                }
+            }
+            next();
+            return a;
+        }
+        var array_ = embed_tokens(function() {
+            expect("[");
+            return new AST_Array({
+                elements: expr_list("]", !options.strict, true)
+            });
+        });
+        var object_ = embed_tokens(function() {
+            expect("{");
+            var first = true, a = [];
+            while (!is("punc", "}")) {
+                if (first) first = false; else expect(",");
+                if (!options.strict && is("punc", "}")) break;
+                var start = S.token;
+                var type = start.type;
+                var name = as_property_name();
+                if (type == "name" && !is("punc", ":")) {
+                    if (name == "get") {
+                        a.push(new AST_ObjectGetter({
+                            start: start,
+                            key: name,
+                            value: function_(false, AST_Accessor),
+                            end: prev()
+                        }));
+                        continue;
+                    }
+                    if (name == "set") {
+                        a.push(new AST_ObjectSetter({
+                            start: start,
+                            key: name,
+                            value: function_(false, AST_Accessor),
+                            end: prev()
+                        }));
+                        continue;
+                    }
+                }
+                expect(":");
+                a.push(new AST_ObjectKeyVal({
+                    start: start,
+                    key: name,
+                    value: expression(false),
+                    end: prev()
+                }));
+            }
+            next();
+            return new AST_Object({
+                properties: a
+            });
+        });
+        function as_property_name() {
+            var tmp = S.token;
+            next();
+            switch (tmp.type) {
+              case "num":
+              case "string":
+              case "name":
+              case "operator":
+              case "keyword":
+              case "atom":
+                return tmp.value;
+
+              default:
+                unexpected();
+            }
+        }
+        function as_name() {
+            var tmp = S.token;
+            next();
+            switch (tmp.type) {
+              case "name":
+              case "operator":
+              case "keyword":
+              case "atom":
+                return tmp.value;
+
+              default:
+                unexpected();
+            }
+        }
+        function as_symbol(type, noerror) {
+            if (!is("name")) {
+                if (!noerror) croak("Name expected");
+                return null;
+            }
+            var name = S.token.value;
+            var sym = new (name == "this" ? AST_This : type)({
+                name: String(S.token.value),
+                start: S.token,
+                end: S.token
+            });
+            next();
+            return sym;
+        }
+        var subscripts = function(expr, allow_calls) {
+            var start = expr.start;
+            if (is("punc", ".")) {
+                next();
+                return subscripts(new AST_Dot({
+                    start: start,
+                    expression: expr,
+                    property: as_name(),
+                    end: prev()
+                }), allow_calls);
+            }
+            if (is("punc", "[")) {
+                next();
+                var prop = expression(true);
+                expect("]");
+                return subscripts(new AST_Sub({
+                    start: start,
+                    expression: expr,
+                    property: prop,
+                    end: prev()
+                }), allow_calls);
+            }
+            if (allow_calls && is("punc", "(")) {
+                next();
+                return subscripts(new AST_Call({
+                    start: start,
+                    expression: expr,
+                    args: expr_list(")"),
+                    end: prev()
+                }), true);
+            }
+            return expr;
+        };
+        var maybe_unary = function(allow_calls) {
+            var start = S.token;
+            if (is("operator") && UNARY_PREFIX(start.value)) {
+                next();
+                var ex = make_unary(AST_UnaryPrefix, start.value, maybe_unary(allow_calls));
+                ex.start = start;
+                ex.end = prev();
+                return ex;
+            }
+            var val = expr_atom(allow_calls);
+            while (is("operator") && UNARY_POSTFIX(S.token.value) && !S.token.nlb) {
+                val = make_unary(AST_UnaryPostfix, S.token.value, val);
+                val.start = start;
+                val.end = S.token;
+                next();
+            }
+            return val;
+        };
+        function make_unary(ctor, op, expr) {
+            if ((op == "++" || op == "--") && !is_assignable(expr)) croak("Invalid use of " + op + " operator");
+            return new ctor({
+                operator: op,
+                expression: expr
+            });
+        }
+        var expr_op = function(left, min_prec, no_in) {
+            var op = is("operator") ? S.token.value : null;
+            if (op == "in" && no_in) op = null;
+            var prec = op != null ? PRECEDENCE[op] : null;
+            if (prec != null && prec > min_prec) {
+                next();
+                var right = expr_op(maybe_unary(true), prec, no_in);
+                return expr_op(new AST_Binary({
+                    start: left.start,
+                    left: left,
+                    operator: op,
+                    right: right,
+                    end: right.end
+                }), min_prec, no_in);
+            }
+            return left;
+        };
+        function expr_ops(no_in) {
+            return expr_op(maybe_unary(true), 0, no_in);
+        }
+        var maybe_conditional = function(no_in) {
+            var start = S.token;
+            var expr = expr_ops(no_in);
+            if (is("operator", "?")) {
+                next();
+                var yes = expression(false);
+                expect(":");
+                return new AST_Conditional({
+                    start: start,
+                    condition: expr,
+                    consequent: yes,
+                    alternative: expression(false, no_in),
+                    end: peek()
+                });
+            }
+            return expr;
+        };
+        function is_assignable(expr) {
+            if (!options.strict) return true;
+            switch (expr[0] + "") {
+              case "dot":
+              case "sub":
+              case "new":
+              case "call":
+                return true;
+
+              case "name":
+                return expr[1] != "this";
+            }
+        }
+        var maybe_assign = function(no_in) {
+            var start = S.token;
+            var left = maybe_conditional(no_in), val = S.token.value;
+            if (is("operator") && ASSIGNMENT(val)) {
+                if (is_assignable(left)) {
+                    next();
+                    return new AST_Assign({
+                        start: start,
+                        left: left,
+                        operator: val,
+                        right: maybe_assign(no_in),
+                        end: peek()
+                    });
+                }
+                croak("Invalid assignment");
+            }
+            return left;
+        };
+        var expression = function(commas, no_in) {
+            var start = S.token;
+            var expr = maybe_assign(no_in);
+            if (commas && is("punc", ",")) {
+                next();
+                return new AST_Seq({
+                    start: start,
+                    car: expr,
+                    cdr: expression(true, no_in),
+                    end: peek()
+                });
+            }
+            return expr;
+        };
+        function in_loop(cont) {
+            ++S.in_loop;
+            var ret = cont();
+            --S.in_loop;
+            return ret;
+        }
+        return function() {
+            var start = S.token;
+            var body = [];
+            while (!is("eof")) body.push(statement());
+            var end = prev();
+            var toplevel = options.toplevel;
+            if (toplevel) {
+                toplevel.body = toplevel.body.concat(body);
+                toplevel.end = end;
+            } else {
+                toplevel = new AST_Toplevel({
+                    start: start,
+                    body: body,
+                    end: end
+                });
+            }
+            return toplevel;
+        }();
+    }
+    "use strict";
+    function TreeTransformer(before, after) {
+        TreeWalker.call(this);
+        this.before = before;
+        this.after = after;
+    }
+    TreeTransformer.prototype = new TreeWalker();
+    (function(undefined) {
+        function _(node, descend) {
+            node.DEFMETHOD("transform", function(tw, in_list) {
+                var x, y;
+                tw.push(this);
+                if (tw.before) x = tw.before(this, descend, in_list);
+                if (x === undefined) {
+                    if (!tw.after) {
+                        x = this;
+                        descend(x, tw);
+                    } else {
+                        tw.stack[tw.stack.length - 1] = x = this.clone();
+                        descend(x, tw);
+                        y = tw.after(x, in_list);
+                        if (y !== undefined) x = y;
+                    }
+                }
+                tw.pop();
+                return x;
+            });
+        }
+        function do_list(list, tw) {
+            return MAP(list, function(node) {
+                return node.transform(tw, true);
+            });
+        }
+        _(AST_Node, noop);
+        _(AST_LabeledStatement, function(self, tw) {
+            self.label = self.label.transform(tw);
+            self.body = self.body.transform(tw);
+        });
+        _(AST_SimpleStatement, function(self, tw) {
+            self.body = self.body.transform(tw);
+        });
+        _(AST_Block, function(self, tw) {
+            self.body = do_list(self.body, tw);
+        });
+        _(AST_DWLoop, function(self, tw) {
+            self.condition = self.condition.transform(tw);
+            self.body = self.body.transform(tw);
+        });
+        _(AST_For, function(self, tw) {
+            if (self.init) self.init = self.init.transform(tw);
+            if (self.condition) self.condition = self.condition.transform(tw);
+            if (self.step) self.step = self.step.transform(tw);
+            self.body = self.body.transform(tw);
+        });
+        _(AST_ForIn, function(self, tw) {
+            self.init = self.init.transform(tw);
+            self.object = self.object.transform(tw);
+            self.body = self.body.transform(tw);
+        });
+        _(AST_With, function(self, tw) {
+            self.expression = self.expression.transform(tw);
+            self.body = self.body.transform(tw);
+        });
+        _(AST_Exit, function(self, tw) {
+            if (self.value) self.value = self.value.transform(tw);
+        });
+        _(AST_LoopControl, function(self, tw) {
+            if (self.label) self.label = self.label.transform(tw);
+        });
+        _(AST_If, function(self, tw) {
+            self.condition = self.condition.transform(tw);
+            self.body = self.body.transform(tw);
+            if (self.alternative) self.alternative = self.alternative.transform(tw);
+        });
+        _(AST_Switch, function(self, tw) {
+            self.expression = self.expression.transform(tw);
+            self.body = do_list(self.body, tw);
+        });
+        _(AST_Case, function(self, tw) {
+            self.expression = self.expression.transform(tw);
+            self.body = do_list(self.body, tw);
+        });
+        _(AST_Try, function(self, tw) {
+            self.body = do_list(self.body, tw);
+            if (self.bcatch) self.bcatch = self.bcatch.transform(tw);
+            if (self.bfinally) self.bfinally = self.bfinally.transform(tw);
+        });
+        _(AST_Catch, function(self, tw) {
+            self.argname = self.argname.transform(tw);
+            self.body = do_list(self.body, tw);
+        });
+        _(AST_Definitions, function(self, tw) {
+            self.definitions = do_list(self.definitions, tw);
+        });
+        _(AST_VarDef, function(self, tw) {
+            if (self.value) self.value = self.value.transform(tw);
+        });
+        _(AST_Lambda, function(self, tw) {
+            if (self.name) self.name = self.name.transform(tw);
+            self.argnames = do_list(self.argnames, tw);
+            self.body = do_list(self.body, tw);
+        });
+        _(AST_Call, function(self, tw) {
+            self.expression = self.expression.transform(tw);
+            self.args = do_list(self.args, tw);
+        });
+        _(AST_Seq, function(self, tw) {
+            self.car = self.car.transform(tw);
+            self.cdr = self.cdr.transform(tw);
+        });
+        _(AST_Dot, function(self, tw) {
+            self.expression = self.expression.transform(tw);
+        });
+        _(AST_Sub, function(self, tw) {
+            self.expression = self.expression.transform(tw);
+            self.property = self.property.transform(tw);
+        });
+        _(AST_Unary, function(self, tw) {
+            self.expression = self.expression.transform(tw);
+        });
+        _(AST_Binary, function(self, tw) {
+            self.left = self.left.transform(tw);
+            self.right = self.right.transform(tw);
+        });
+        _(AST_Conditional, function(self, tw) {
+            self.condition = self.condition.transform(tw);
+            self.consequent = self.consequent.transform(tw);
+            self.alternative = self.alternative.transform(tw);
+        });
+        _(AST_Array, function(self, tw) {
+            self.elements = do_list(self.elements, tw);
+        });
+        _(AST_Object, function(self, tw) {
+            self.properties = do_list(self.properties, tw);
+        });
+        _(AST_ObjectProperty, function(self, tw) {
+            self.value = self.value.transform(tw);
+        });
+    })();
+    "use strict";
+    function SymbolDef(scope, index, orig) {
+        this.name = orig.name;
+        this.orig = [ orig ];
+        this.scope = scope;
+        this.references = [];
+        this.global = false;
+        this.mangled_name = null;
+        this.undeclared = false;
+        this.constant = false;
+        this.index = index;
+    }
+    SymbolDef.prototype = {
+        unmangleable: function(options) {
+            return this.global || this.undeclared || !(options && options.eval) && (this.scope.uses_eval || this.scope.uses_with);
+        },
+        mangle: function(options) {
+            if (!this.mangled_name && !this.unmangleable(options)) this.mangled_name = this.scope.next_mangled(options);
+        }
+    };
+    AST_Toplevel.DEFMETHOD("figure_out_scope", function() {
+        var self = this;
+        var scope = self.parent_scope = null;
+        var labels = new Dictionary();
+        var nesting = 0;
+        var tw = new TreeWalker(function(node, descend) {
+            if (node instanceof AST_Scope) {
+                node.init_scope_vars(nesting);
+                var save_scope = node.parent_scope = scope;
+                var save_labels = labels;
+                ++nesting;
+                scope = node;
+                labels = new Dictionary();
+                descend();
+                labels = save_labels;
+                scope = save_scope;
+                --nesting;
+                return true;
+            }
+            if (node instanceof AST_Directive) {
+                node.scope = scope;
+                push_uniq(scope.directives, node.value);
+                return true;
+            }
+            if (node instanceof AST_With) {
+                for (var s = scope; s; s = s.parent_scope) s.uses_with = true;
+                return;
+            }
+            if (node instanceof AST_LabeledStatement) {
+                var l = node.label;
+                if (labels.has(l.name)) throw new Error(string_template("Label {name} defined twice", l));
+                labels.set(l.name, l);
+                descend();
+                labels.del(l.name);
+                return true;
+            }
+            if (node instanceof AST_Symbol) {
+                node.scope = scope;
+            }
+            if (node instanceof AST_Label) {
+                node.thedef = node;
+                node.init_scope_vars();
+            }
+            if (node instanceof AST_SymbolLambda) {
+                (node.scope = scope.parent_scope).def_function(node);
+            } else if (node instanceof AST_SymbolDefun) {
+                (node.scope = scope.parent_scope).def_function(node);
+            } else if (node instanceof AST_SymbolVar || node instanceof AST_SymbolConst) {
+                var def = scope.def_variable(node);
+                def.constant = node instanceof AST_SymbolConst;
+                def = tw.parent();
+            } else if (node instanceof AST_SymbolCatch) {
+                scope.def_variable(node);
+            }
+            if (node instanceof AST_LabelRef) {
+                var sym = labels.get(node.name);
+                if (!sym) throw new Error(string_template("Undefined label {name} [{line},{col}]", {
+                    name: node.name,
+                    line: node.start.line,
+                    col: node.start.col
+                }));
+                node.thedef = sym;
+            }
+        });
+        self.walk(tw);
+        var func = null;
+        var globals = self.globals = new Dictionary();
+        var tw = new TreeWalker(function(node, descend) {
+            if (node instanceof AST_Lambda) {
+                var prev_func = func;
+                func = node;
+                descend();
+                func = prev_func;
+                return true;
+            }
+            if (node instanceof AST_LabelRef) {
+                node.reference();
+                return true;
+            }
+            if (node instanceof AST_SymbolRef) {
+                var name = node.name;
+                var sym = node.scope.find_variable(name);
+                if (!sym) {
+                    var g;
+                    if (globals.has(name)) {
+                        g = globals.get(name);
+                    } else {
+                        g = new SymbolDef(self, globals.size(), node);
+                        g.undeclared = true;
+                        globals.set(name, g);
+                    }
+                    node.thedef = g;
+                    if (name == "eval" && tw.parent() instanceof AST_Call) {
+                        for (var s = node.scope; s && !s.uses_eval; s = s.parent_scope) s.uses_eval = true;
+                    }
+                    if (name == "arguments") {
+                        func.uses_arguments = true;
+                    }
+                } else {
+                    node.thedef = sym;
+                }
+                node.reference();
+                return true;
+            }
+        });
+        self.walk(tw);
+    });
+    AST_Scope.DEFMETHOD("init_scope_vars", function(nesting) {
+        this.directives = [];
+        this.variables = new Dictionary();
+        this.functions = new Dictionary();
+        this.uses_with = false;
+        this.uses_eval = false;
+        this.parent_scope = null;
+        this.enclosed = [];
+        this.cname = -1;
+        this.nesting = nesting;
+    });
+    AST_Scope.DEFMETHOD("strict", function() {
+        return this.has_directive("use strict");
+    });
+    AST_Lambda.DEFMETHOD("init_scope_vars", function() {
+        AST_Scope.prototype.init_scope_vars.apply(this, arguments);
+        this.uses_arguments = false;
+    });
+    AST_SymbolRef.DEFMETHOD("reference", function() {
+        var def = this.definition();
+        def.references.push(this);
+        var s = this.scope;
+        while (s) {
+            push_uniq(s.enclosed, def);
+            if (s === def.scope) break;
+            s = s.parent_scope;
+        }
+        this.frame = this.scope.nesting - def.scope.nesting;
+    });
+    AST_Label.DEFMETHOD("init_scope_vars", function() {
+        this.references = [];
+    });
+    AST_LabelRef.DEFMETHOD("reference", function() {
+        this.thedef.references.push(this);
+    });
+    AST_Scope.DEFMETHOD("find_variable", function(name) {
+        if (name instanceof AST_Symbol) name = name.name;
+        return this.variables.get(name) || this.parent_scope && this.parent_scope.find_variable(name);
+    });
+    AST_Scope.DEFMETHOD("has_directive", function(value) {
+        return this.parent_scope && this.parent_scope.has_directive(value) || (this.directives.indexOf(value) >= 0 ? this : null);
+    });
+    AST_Scope.DEFMETHOD("def_function", function(symbol) {
+        this.functions.set(symbol.name, this.def_variable(symbol));
+    });
+    AST_Scope.DEFMETHOD("def_variable", function(symbol) {
+        var def;
+        if (!this.variables.has(symbol.name)) {
+            def = new SymbolDef(this, this.variables.size(), symbol);
+            this.variables.set(symbol.name, def);
+            def.global = !this.parent_scope;
+        } else {
+            def = this.variables.get(symbol.name);
+            def.orig.push(symbol);
+        }
+        return symbol.thedef = def;
+    });
+    AST_Scope.DEFMETHOD("next_mangled", function(options) {
+        var ext = this.enclosed, n = ext.length;
+        out: while (true) {
+            var m = base54(++this.cname);
+            if (!is_identifier(m)) continue;
+            for (var i = n; --i >= 0; ) {
+                var sym = ext[i];
+                var name = sym.mangled_name || sym.unmangleable(options) && sym.name;
+                if (m == name) continue out;
+            }
+            return m;
+        }
+    });
+    AST_Scope.DEFMETHOD("references", function(sym) {
+        if (sym instanceof AST_Symbol) sym = sym.definition();
+        return this.enclosed.indexOf(sym) < 0 ? null : sym;
+    });
+    AST_Symbol.DEFMETHOD("unmangleable", function(options) {
+        return this.definition().unmangleable(options);
+    });
+    AST_SymbolAccessor.DEFMETHOD("unmangleable", function() {
+        return true;
+    });
+    AST_Label.DEFMETHOD("unmangleable", function() {
+        return false;
+    });
+    AST_Symbol.DEFMETHOD("unreferenced", function() {
+        return this.definition().references.length == 0 && !(this.scope.uses_eval || this.scope.uses_with);
+    });
+    AST_Symbol.DEFMETHOD("undeclared", function() {
+        return this.definition().undeclared;
+    });
+    AST_LabelRef.DEFMETHOD("undeclared", function() {
+        return false;
+    });
+    AST_Label.DEFMETHOD("undeclared", function() {
+        return false;
+    });
+    AST_Symbol.DEFMETHOD("definition", function() {
+        return this.thedef;
+    });
+    AST_Symbol.DEFMETHOD("global", function() {
+        return this.definition().global;
+    });
+    AST_Toplevel.DEFMETHOD("_default_mangler_options", function(options) {
+        return defaults(options, {
+            except: [],
+            eval: false,
+            sort: false
+        });
+    });
+    AST_Toplevel.DEFMETHOD("mangle_names", function(options) {
+        options = this._default_mangler_options(options);
+        var lname = -1;
+        var to_mangle = [];
+        var tw = new TreeWalker(function(node, descend) {
+            if (node instanceof AST_LabeledStatement) {
+                var save_nesting = lname;
+                descend();
+                lname = save_nesting;
+                return true;
+            }
+            if (node instanceof AST_Scope) {
+                var p = tw.parent(), a = [];
+                node.variables.each(function(symbol) {
+                    if (options.except.indexOf(symbol.name) < 0) {
+                        a.push(symbol);
+                    }
+                });
+                if (options.sort) a.sort(function(a, b) {
+                    return b.references.length - a.references.length;
+                });
+                to_mangle.push.apply(to_mangle, a);
+                return;
+            }
+            if (node instanceof AST_Label) {
+                var name;
+                do name = base54(++lname); while (!is_identifier(name));
+                node.mangled_name = name;
+                return true;
+            }
+        });
+        this.walk(tw);
+        to_mangle.forEach(function(def) {
+            def.mangle(options);
+        });
+    });
+    AST_Toplevel.DEFMETHOD("compute_char_frequency", function(options) {
+        options = this._default_mangler_options(options);
+        var tw = new TreeWalker(function(node) {
+            if (node instanceof AST_Constant) base54.consider(node.print_to_string()); else if (node instanceof AST_Return) base54.consider("return"); else if (node instanceof AST_Throw) base54.consider("throw"); else if (node instanceof AST_Continue) base54.consider("continue"); else if (node instanceof AST_Break) base54.consider("break"); else if (node instanceof AST_Debugger) base54.consider("debugger"); else if (node instanceof AST_Directive) base54.consider(node.value); else if (node instanceof AST_While) base54.consider("while"); else if (node instanceof AST_Do) base54.consider("do while"); else if (node instanceof AST_If) {
+                base54.consider("if");
+                if (node.alternative) base54.consider("else");
+            } else if (node instanceof AST_Var) base54.consider("var"); else if (node instanceof AST_Const) base54.consider("const"); else if (node instanceof AST_Lambda) base54.consider("function"); else if (node instanceof AST_For) base54.consider("for"); else if (node instanceof AST_ForIn) base54.consider("for in"); else if (node instanceof AST_Switch) base54.consider("switch"); else if (node instanceof AST_Case) base54.consider("case"); else if (node instanceof AST_Default) base54.consider("default"); else if (node instanceof AST_With) base54.consider("with"); else if (node instanceof AST_ObjectSetter) base54.consider("set" + node.key); else if (node instanceof AST_ObjectGetter) base54.consider("get" + node.key); else if (node instanceof AST_ObjectKeyVal) base54.consider(node.key); else if (node instanceof AST_New) base54.consider("new"); else if (node instanceof AST_This) base54.consider("this"); else if (node instanceof AST_Try) base54.consider("try"); else if (node instanceof AST_Catch) base54.consider("catch"); else if (node instanceof AST_Finally) base54.consider("finally"); else if (node instanceof AST_Symbol && node.unmangleable(options)) base54.consider(node.name); else if (node instanceof AST_Unary || node instanceof AST_Binary) base54.consider(node.operator); else if (node instanceof AST_Dot) base54.consider(node.property);
+        });
+        this.walk(tw);
+        base54.sort();
+    });
+    var base54 = function() {
+        var string = "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ$_0123456789";
+        var chars, frequency;
+        function reset() {
+            frequency = Object.create(null);
+            chars = string.split("").map(function(ch) {
+                return ch.charCodeAt(0);
+            });
+            chars.forEach(function(ch) {
+                frequency[ch] = 0;
+            });
+        }
+        base54.consider = function(str) {
+            for (var i = str.length; --i >= 0; ) {
+                var code = str.charCodeAt(i);
+                if (code in frequency) ++frequency[code];
+            }
+        };
+        base54.sort = function() {
+            chars = mergeSort(chars, function(a, b) {
+                if (is_digit(a) && !is_digit(b)) return 1;
+                if (is_digit(b) && !is_digit(a)) return -1;
+                return frequency[b] - frequency[a];
+            });
+        };
+        base54.reset = reset;
+        reset();
+        base54.get = function() {
+            return chars;
+        };
+        base54.freq = function() {
+            return frequency;
+        };
+        function base54(num) {
+            var ret = "", base = 54;
+            do {
+                ret += String.fromCharCode(chars[num % base]);
+                num = Math.floor(num / base);
+                base = 64;
+            } while (num > 0);
+            return ret;
+        }
+        return base54;
+    }();
+    AST_Toplevel.DEFMETHOD("scope_warnings", function(options) {
+        options = defaults(options, {
+            undeclared: false,
+            unreferenced: true,
+            assign_to_global: true,
+            func_arguments: true,
+            nested_defuns: true,
+            eval: true
+        });
+        var tw = new TreeWalker(function(node) {
+            if (options.undeclared && node instanceof AST_SymbolRef && node.undeclared()) {
+                AST_Node.warn("Undeclared symbol: {name} [{file}:{line},{col}]", {
+                    name: node.name,
+                    file: node.start.file,
+                    line: node.start.line,
+                    col: node.start.col
+                });
+            }
+            if (options.assign_to_global) {
+                var sym = null;
+                if (node instanceof AST_Assign && node.left instanceof AST_SymbolRef) sym = node.left; else if (node instanceof AST_ForIn && node.init instanceof AST_SymbolRef) sym = node.init;
+                if (sym && (sym.undeclared() || sym.global() && sym.scope !== sym.definition().scope)) {
+                    AST_Node.warn("{msg}: {name} [{file}:{line},{col}]", {
+                        msg: sym.undeclared() ? "Accidental global?" : "Assignment to global",
+                        name: sym.name,
+                        file: sym.start.file,
+                        line: sym.start.line,
+                        col: sym.start.col
+                    });
+                }
+            }
+            if (options.eval && node instanceof AST_SymbolRef && node.undeclared() && node.name == "eval") {
+                AST_Node.warn("Eval is used [{file}:{line},{col}]", node.start);
+            }
+            if (options.unreferenced && (node instanceof AST_SymbolDeclaration || node instanceof AST_Label) && node.unreferenced()) {
+                AST_Node.warn("{type} {name} is declared but not referenced [{file}:{line},{col}]", {
+                    type: node instanceof AST_Label ? "Label" : "Symbol",
+                    name: node.name,
+                    file: node.start.file,
+                    line: node.start.line,
+                    col: node.start.col
+                });
+            }
+            if (options.func_arguments && node instanceof AST_Lambda && node.uses_arguments) {
+                AST_Node.warn("arguments used in function {name} [{file}:{line},{col}]", {
+                    name: node.name ? node.name.name : "anonymous",
+                    file: node.start.file,
+                    line: node.start.line,
+                    col: node.start.col
+                });
+            }
+            if (options.nested_defuns && node instanceof AST_Defun && !(tw.parent() instanceof AST_Scope)) {
+                AST_Node.warn('Function {name} declared in nested statement "{type}" [{file}:{line},{col}]', {
+                    name: node.name.name,
+                    type: tw.parent().TYPE,
+                    file: node.start.file,
+                    line: node.start.line,
+                    col: node.start.col
+                });
+            }
+        });
+        this.walk(tw);
+    });
+    "use strict";
+    function OutputStream(options) {
+        options = defaults(options, {
+            indent_start: 0,
+            indent_level: 4,
+            quote_keys: false,
+            space_colon: true,
+            ascii_only: false,
+            inline_script: false,
+            width: 80,
+            max_line_len: 32e3,
+            ie_proof: true,
+            beautify: false,
+            source_map: null,
+            bracketize: false,
+            semicolons: true,
+            comments: false,
+            preserve_line: false
+        }, true);
+        var indentation = 0;
+        var current_col = 0;
+        var current_line = 1;
+        var current_pos = 0;
+        var OUTPUT = "";
+        function to_ascii(str) {
+            return str.replace(/[\u0080-\uffff]/g, function(ch) {
+                var code = ch.charCodeAt(0).toString(16);
+                while (code.length < 4) code = "0" + code;
+                return "\\u" + code;
+            });
+        }
+        function make_string(str) {
+            var dq = 0, sq = 0;
+            str = str.replace(/[\\\b\f\n\r\t\x22\x27\u2028\u2029\0]/g, function(s) {
+                switch (s) {
+                  case "\\":
+                    return "\\\\";
+
+                  case "\b":
+                    return "\\b";
+
+                  case "\f":
+                    return "\\f";
+
+                  case "\n":
+                    return "\\n";
+
+                  case "\r":
+                    return "\\r";
+
+                  case "\u2028":
+                    return "\\u2028";
+
+                  case "\u2029":
+                    return "\\u2029";
+
+                  case '"':
+                    ++dq;
+                    return '"';
+
+                  case "'":
+                    ++sq;
+                    return "'";
+
+                  case "\0":
+                    return "\\0";
+                }
+                return s;
+            });
+            if (options.ascii_only) str = to_ascii(str);
+            if (dq > sq) return "'" + str.replace(/\x27/g, "\\'") + "'"; else return '"' + str.replace(/\x22/g, '\\"') + '"';
+        }
+        function encode_string(str) {
+            var ret = make_string(str);
+            if (options.inline_script) ret = ret.replace(/<\x2fscript([>\/\t\n\f\r ])/gi, "<\\/script$1");
+            return ret;
+        }
+        function make_name(name) {
+            name = name.toString();
+            if (options.ascii_only) name = to_ascii(name);
+            return name;
+        }
+        function make_indent(back) {
+            return repeat_string(" ", options.indent_start + indentation - back * options.indent_level);
+        }
+        var might_need_space = false;
+        var might_need_semicolon = false;
+        var last = null;
+        function last_char() {
+            return last.charAt(last.length - 1);
+        }
+        function maybe_newline() {
+            if (options.max_line_len && current_col > options.max_line_len) print("\n");
+        }
+        var requireSemicolonChars = makePredicate("( [ + * / - , .");
+        function print(str) {
+            str = String(str);
+            var ch = str.charAt(0);
+            if (might_need_semicolon) {
+                if ((!ch || ";}".indexOf(ch) < 0) && !/[;]$/.test(last)) {
+                    if (options.semicolons || requireSemicolonChars(ch)) {
+                        OUTPUT += ";";
+                        current_col++;
+                        current_pos++;
+                    } else {
+                        OUTPUT += "\n";
+                        current_pos++;
+                        current_line++;
+                        current_col = 0;
+                    }
+                    if (!options.beautify) might_need_space = false;
+                }
+                might_need_semicolon = false;
+                maybe_newline();
+            }
+            if (!options.beautify && options.preserve_line && stack[stack.length - 1]) {
+                var target_line = stack[stack.length - 1].start.line;
+                while (current_line < target_line) {
+                    OUTPUT += "\n";
+                    current_pos++;
+                    current_line++;
+                    current_col = 0;
+                    might_need_space = false;
+                }
+            }
+            if (might_need_space) {
+                var prev = last_char();
+                if (is_identifier_char(prev) && (is_identifier_char(ch) || ch == "\\") || /^[\+\-\/]$/.test(ch) && ch == prev) {
+                    OUTPUT += " ";
+                    current_col++;
+                    current_pos++;
+                }
+                might_need_space = false;
+            }
+            var a = str.split(/\r?\n/), n = a.length - 1;
+            current_line += n;
+            if (n == 0) {
+                current_col += a[n].length;
+            } else {
+                current_col = a[n].length;
+            }
+            current_pos += str.length;
+            last = str;
+            OUTPUT += str;
+        }
+        var space = options.beautify ? function() {
+            print(" ");
+        } : function() {
+            might_need_space = true;
+        };
+        var indent = options.beautify ? function(half) {
+            if (options.beautify) {
+                print(make_indent(half ? .5 : 0));
+            }
+        } : noop;
+        var with_indent = options.beautify ? function(col, cont) {
+            if (col === true) col = next_indent();
+            var save_indentation = indentation;
+            indentation = col;
+            var ret = cont();
+            indentation = save_indentation;
+            return ret;
+        } : function(col, cont) {
+            return cont();
+        };
+        var newline = options.beautify ? function() {
+            print("\n");
+        } : noop;
+        var semicolon = options.beautify ? function() {
+            print(";");
+        } : function() {
+            might_need_semicolon = true;
+        };
+        function force_semicolon() {
+            might_need_semicolon = false;
+            print(";");
+        }
+        function next_indent() {
+            return indentation + options.indent_level;
+        }
+        function with_block(cont) {
+            var ret;
+            print("{");
+            newline();
+            with_indent(next_indent(), function() {
+                ret = cont();
+            });
+            indent();
+            print("}");
+            return ret;
+        }
+        function with_parens(cont) {
+            print("(");
+            var ret = cont();
+            print(")");
+            return ret;
+        }
+        function with_square(cont) {
+            print("[");
+            var ret = cont();
+            print("]");
+            return ret;
+        }
+        function comma() {
+            print(",");
+            space();
+        }
+        function colon() {
+            print(":");
+            if (options.space_colon) space();
+        }
+        var add_mapping = options.source_map ? function(token, name) {
+            try {
+                if (token) options.source_map.add(token.file || "?", current_line, current_col, token.line, token.col, !name && token.type == "name" ? token.value : name);
+            } catch (ex) {
+                AST_Node.warn("Couldn't figure out mapping for {file}:{line},{col} → {cline},{ccol} [{name}]", {
+                    file: token.file,
+                    line: token.line,
+                    col: token.col,
+                    cline: current_line,
+                    ccol: current_col,
+                    name: name || ""
+                });
+            }
+        } : noop;
+        function get() {
+            return OUTPUT;
+        }
+        var stack = [];
+        return {
+            get: get,
+            toString: get,
+            indent: indent,
+            indentation: function() {
+                return indentation;
+            },
+            current_width: function() {
+                return current_col - indentation;
+            },
+            should_break: function() {
+                return options.width && this.current_width() >= options.width;
+            },
+            newline: newline,
+            print: print,
+            space: space,
+            comma: comma,
+            colon: colon,
+            last: function() {
+                return last;
+            },
+            semicolon: semicolon,
+            force_semicolon: force_semicolon,
+            to_ascii: to_ascii,
+            print_name: function(name) {
+                print(make_name(name));
+            },
+            print_string: function(str) {
+                print(encode_string(str));
+            },
+            next_indent: next_indent,
+            with_indent: with_indent,
+            with_block: with_block,
+            with_parens: with_parens,
+            with_square: with_square,
+            add_mapping: add_mapping,
+            option: function(opt) {
+                return options[opt];
+            },
+            line: function() {
+                return current_line;
+            },
+            col: function() {
+                return current_col;
+            },
+            pos: function() {
+                return current_pos;
+            },
+            push_node: function(node) {
+                stack.push(node);
+            },
+            pop_node: function() {
+                return stack.pop();
+            },
+            stack: function() {
+                return stack;
+            },
+            parent: function(n) {
+                return stack[stack.length - 2 - (n || 0)];
+            }
+        };
+    }
+    (function() {
+        function DEFPRINT(nodetype, generator) {
+            nodetype.DEFMETHOD("_codegen", generator);
+        }
+        AST_Node.DEFMETHOD("print", function(stream, force_parens) {
+            var self = this, generator = self._codegen;
+            stream.push_node(self);
+            if (force_parens || self.needs_parens(stream)) {
+                stream.with_parens(function() {
+                    self.add_comments(stream);
+                    self.add_source_map(stream);
+                    generator(self, stream);
+                });
+            } else {
+                self.add_comments(stream);
+                self.add_source_map(stream);
+                generator(self, stream);
+            }
+            stream.pop_node();
+        });
+        AST_Node.DEFMETHOD("print_to_string", function(options) {
+            var s = OutputStream(options);
+            this.print(s);
+            return s.get();
+        });
+        AST_Node.DEFMETHOD("add_comments", function(output) {
+            var c = output.option("comments"), self = this;
+            if (c) {
+                var start = self.start;
+                if (start && !start._comments_dumped) {
+                    start._comments_dumped = true;
+                    var comments = start.comments_before;
+                    if (c.test) {
+                        comments = comments.filter(function(comment) {
+                            return c.test(comment.value);
+                        });
+                    } else if (typeof c == "function") {
+                        comments = comments.filter(function(comment) {
+                            return c(self, comment);
+                        });
+                    }
+                    comments.forEach(function(c) {
+                        if (c.type == "comment1") {
+                            output.print("//" + c.value + "\n");
+                            output.indent();
+                        } else if (c.type == "comment2") {
+                            output.print("/*" + c.value + "*/");
+                            if (start.nlb) {
+                                output.print("\n");
+                                output.indent();
+                            } else {
+                                output.space();
+                            }
+                        }
+                    });
+                }
+            }
+        });
+        function PARENS(nodetype, func) {
+            nodetype.DEFMETHOD("needs_parens", func);
+        }
+        PARENS(AST_Node, function() {
+            return false;
+        });
+        PARENS(AST_Function, function(output) {
+            return first_in_statement(output);
+        });
+        PARENS(AST_Object, function(output) {
+            return first_in_statement(output);
+        });
+        PARENS(AST_Unary, function(output) {
+            var p = output.parent();
+            return p instanceof AST_PropAccess && p.expression === this;
+        });
+        PARENS(AST_Seq, function(output) {
+            var p = output.parent();
+            return p instanceof AST_Call || p instanceof AST_Unary || p instanceof AST_Binary || p instanceof AST_VarDef || p instanceof AST_Dot || p instanceof AST_Array || p instanceof AST_ObjectProperty || p instanceof AST_Conditional;
+        });
+        PARENS(AST_Binary, function(output) {
+            var p = output.parent();
+            if (p instanceof AST_Call && p.expression === this) return true;
+            if (p instanceof AST_Unary) return true;
+            if (p instanceof AST_PropAccess && p.expression === this) return true;
+            if (p instanceof AST_Binary) {
+                var po = p.operator, pp = PRECEDENCE[po];
+                var so = this.operator, sp = PRECEDENCE[so];
+                if (pp > sp || pp == sp && this === p.right && !(so == po && (so == "*" || so == "&&" || so == "||"))) {
+                    return true;
+                }
+            }
+        });
+        PARENS(AST_PropAccess, function(output) {
+            var p = output.parent();
+            if (p instanceof AST_New && p.expression === this) {
+                try {
+                    this.walk(new TreeWalker(function(node) {
+                        if (node instanceof AST_Call) throw p;
+                    }));
+                } catch (ex) {
+                    if (ex !== p) throw ex;
+                    return true;
+                }
+            }
+        });
+        PARENS(AST_Call, function(output) {
+            var p = output.parent();
+            return p instanceof AST_New && p.expression === this;
+        });
+        PARENS(AST_New, function(output) {
+            var p = output.parent();
+            if (no_constructor_parens(this, output) && (p instanceof AST_Dot || p instanceof AST_Call && p.expression === this)) return true;
+        });
+        function assign_and_conditional_paren_rules(output) {
+            var p = output.parent();
+            if (p instanceof AST_Unary) return true;
+            if (p instanceof AST_Binary && !(p instanceof AST_Assign)) return true;
+            if (p instanceof AST_Call && p.expression === this) return true;
+            if (p instanceof AST_Conditional && p.condition === this) return true;
+            if (p instanceof AST_PropAccess && p.expression === this) return true;
+        }
+        PARENS(AST_Assign, assign_and_conditional_paren_rules);
+        PARENS(AST_Conditional, assign_and_conditional_paren_rules);
+        DEFPRINT(AST_Directive, function(self, output) {
+            output.print_string(self.value);
+            output.semicolon();
+        });
+        DEFPRINT(AST_Debugger, function(self, output) {
+            output.print("debugger");
+            output.semicolon();
+        });
+        function display_body(body, is_toplevel, output) {
+            var last = body.length - 1;
+            body.forEach(function(stmt, i) {
+                if (!(stmt instanceof AST_EmptyStatement)) {
+                    output.indent();
+                    stmt.print(output);
+                    if (!(i == last && is_toplevel)) {
+                        output.newline();
+                        if (is_toplevel) output.newline();
+                    }
+                }
+            });
+        }
+        AST_StatementWithBody.DEFMETHOD("_do_print_body", function(output) {
+            force_statement(this.body, output);
+        });
+        DEFPRINT(AST_Statement, function(self, output) {
+            self.body.print(output);
+            output.semicolon();
+        });
+        DEFPRINT(AST_Toplevel, function(self, output) {
+            display_body(self.body, true, output);
+            output.print("");
+        });
+        DEFPRINT(AST_LabeledStatement, function(self, output) {
+            self.label.print(output);
+            output.colon();
+            self.body.print(output);
+        });
+        DEFPRINT(AST_SimpleStatement, function(self, output) {
+            self.body.print(output);
+            output.semicolon();
+        });
+        function print_bracketed(body, output) {
+            if (body.length > 0) output.with_block(function() {
+                display_body(body, false, output);
+            }); else output.print("{}");
+        }
+        DEFPRINT(AST_BlockStatement, function(self, output) {
+            print_bracketed(self.body, output);
+        });
+        DEFPRINT(AST_EmptyStatement, function(self, output) {
+            output.semicolon();
+        });
+        DEFPRINT(AST_Do, function(self, output) {
+            output.print("do");
+            output.space();
+            self._do_print_body(output);
+            output.space();
+            output.print("while");
+            output.space();
+            output.with_parens(function() {
+                self.condition.print(output);
+            });
+            output.semicolon();
+        });
+        DEFPRINT(AST_While, function(self, output) {
+            output.print("while");
+            output.space();
+            output.with_parens(function() {
+                self.condition.print(output);
+            });
+            output.space();
+            self._do_print_body(output);
+        });
+        DEFPRINT(AST_For, function(self, output) {
+            output.print("for");
+            output.space();
+            output.with_parens(function() {
+                if (self.init) {
+                    if (self.init instanceof AST_Definitions) {
+                        self.init.print(output);
+                    } else {
+                        parenthesize_for_noin(self.init, output, true);
+                    }
+                    output.print(";");
+                    output.space();
+                } else {
+                    output.print(";");
+                }
+                if (self.condition) {
+                    self.condition.print(output);
+                    output.print(";");
+                    output.space();
+                } else {
+                    output.print(";");
+                }
+                if (self.step) {
+                    self.step.print(output);
+                }
+            });
+            output.space();
+            self._do_print_body(output);
+        });
+        DEFPRINT(AST_ForIn, function(self, output) {
+            output.print("for");
+            output.space();
+            output.with_parens(function() {
+                self.init.print(output);
+                output.space();
+                output.print("in");
+                output.space();
+                self.object.print(output);
+            });
+            output.space();
+            self._do_print_body(output);
+        });
+        DEFPRINT(AST_With, function(self, output) {
+            output.print("with");
+            output.space();
+            output.with_parens(function() {
+                self.expression.print(output);
+            });
+            output.space();
+            self._do_print_body(output);
+        });
+        AST_Lambda.DEFMETHOD("_do_print", function(output, nokeyword) {
+            var self = this;
+            if (!nokeyword) {
+                output.print("function");
+            }
+            if (self.name) {
+                output.space();
+                self.name.print(output);
+            }
+            output.with_parens(function() {
+                self.argnames.forEach(function(arg, i) {
+                    if (i) output.comma();
+                    arg.print(output);
+                });
+            });
+            output.space();
+            print_bracketed(self.body, output);
+        });
+        DEFPRINT(AST_Lambda, function(self, output) {
+            self._do_print(output);
+        });
+        AST_Exit.DEFMETHOD("_do_print", function(output, kind) {
+            output.print(kind);
+            if (this.value) {
+                output.space();
+                this.value.print(output);
+            }
+            output.semicolon();
+        });
+        DEFPRINT(AST_Return, function(self, output) {
+            self._do_print(output, "return");
+        });
+        DEFPRINT(AST_Throw, function(self, output) {
+            self._do_print(output, "throw");
+        });
+        AST_LoopControl.DEFMETHOD("_do_print", function(output, kind) {
+            output.print(kind);
+            if (this.label) {
+                output.space();
+                this.label.print(output);
+            }
+            output.semicolon();
+        });
+        DEFPRINT(AST_Break, function(self, output) {
+            self._do_print(output, "break");
+        });
+        DEFPRINT(AST_Continue, function(self, output) {
+            self._do_print(output, "continue");
+        });
+        function make_then(self, output) {
+            if (output.option("bracketize")) {
+                make_block(self.body, output);
+                return;
+            }
+            if (!self.body) return output.force_semicolon();
+            if (self.body instanceof AST_Do && output.option("ie_proof")) {
+                make_block(self.body, output);
+                return;
+            }
+            var b = self.body;
+            while (true) {
+                if (b instanceof AST_If) {
+                    if (!b.alternative) {
+                        make_block(self.body, output);
+                        return;
+                    }
+                    b = b.alternative;
+                } else if (b instanceof AST_StatementWithBody) {
+                    b = b.body;
+                } else break;
+            }
+            force_statement(self.body, output);
+        }
+        DEFPRINT(AST_If, function(self, output) {
+            output.print("if");
+            output.space();
+            output.with_parens(function() {
+                self.condition.print(output);
+            });
+            output.space();
+            if (self.alternative) {
+                make_then(self, output);
+                output.space();
+                output.print("else");
+                output.space();
+                force_statement(self.alternative, output);
+            } else {
+                self._do_print_body(output);
+            }
+        });
+        DEFPRINT(AST_Switch, function(self, output) {
+            output.print("switch");
+            output.space();
+            output.with_parens(function() {
+                self.expression.print(output);
+            });
+            output.space();
+            if (self.body.length > 0) output.with_block(function() {
+                self.body.forEach(function(stmt, i) {
+                    if (i) output.newline();
+                    output.indent(true);
+                    stmt.print(output);
+                });
+            }); else output.print("{}");
+        });
+        AST_SwitchBranch.DEFMETHOD("_do_print_body", function(output) {
+            if (this.body.length > 0) {
+                output.newline();
+                this.body.forEach(function(stmt) {
+                    output.indent();
+                    stmt.print(output);
+                    output.newline();
+                });
+            }
+        });
+        DEFPRINT(AST_Default, function(self, output) {
+            output.print("default:");
+            self._do_print_body(output);
+        });
+        DEFPRINT(AST_Case, function(self, output) {
+            output.print("case");
+            output.space();
+            self.expression.print(output);
+            output.print(":");
+            self._do_print_body(output);
+        });
+        DEFPRINT(AST_Try, function(self, output) {
+            output.print("try");
+            output.space();
+            print_bracketed(self.body, output);
+            if (self.bcatch) {
+                output.space();
+                self.bcatch.print(output);
+            }
+            if (self.bfinally) {
+                output.space();
+                self.bfinally.print(output);
+            }
+        });
+        DEFPRINT(AST_Catch, function(self, output) {
+            output.print("catch");
+            output.space();
+            output.with_parens(function() {
+                self.argname.print(output);
+            });
+            output.space();
+            print_bracketed(self.body, output);
+        });
+        DEFPRINT(AST_Finally, function(self, output) {
+            output.print("finally");
+            output.space();
+            print_bracketed(self.body, output);
+        });
+        AST_Definitions.DEFMETHOD("_do_print", function(output, kind) {
+            output.print(kind);
+            output.space();
+            this.definitions.forEach(function(def, i) {
+                if (i) output.comma();
+                def.print(output);
+            });
+            var p = output.parent();
+            var in_for = p instanceof AST_For || p instanceof AST_ForIn;
+            var avoid_semicolon = in_for && p.init === this;
+            if (!avoid_semicolon) output.semicolon();
+        });
+        DEFPRINT(AST_Var, function(self, output) {
+            self._do_print(output, "var");
+        });
+        DEFPRINT(AST_Const, function(self, output) {
+            self._do_print(output, "const");
+        });
+        function parenthesize_for_noin(node, output, noin) {
+            if (!noin) node.print(output); else try {
+                node.walk(new TreeWalker(function(node) {
+                    if (node instanceof AST_Binary && node.operator == "in") throw output;
+                }));
+                node.print(output);
+            } catch (ex) {
+                if (ex !== output) throw ex;
+                node.print(output, true);
+            }
+        }
+        DEFPRINT(AST_VarDef, function(self, output) {
+            self.name.print(output);
+            if (self.value) {
+                output.space();
+                output.print("=");
+                output.space();
+                var p = output.parent(1);
+                var noin = p instanceof AST_For || p instanceof AST_ForIn;
+                parenthesize_for_noin(self.value, output, noin);
+            }
+        });
+        DEFPRINT(AST_Call, function(self, output) {
+            self.expression.print(output);
+            if (self instanceof AST_New && no_constructor_parens(self, output)) return;
+            output.with_parens(function() {
+                self.args.forEach(function(expr, i) {
+                    if (i) output.comma();
+                    expr.print(output);
+                });
+            });
+        });
+        DEFPRINT(AST_New, function(self, output) {
+            output.print("new");
+            output.space();
+            AST_Call.prototype._codegen(self, output);
+        });
+        AST_Seq.DEFMETHOD("_do_print", function(output) {
+            this.car.print(output);
+            if (this.cdr) {
+                output.comma();
+                if (output.should_break()) {
+                    output.newline();
+                    output.indent();
+                }
+                this.cdr.print(output);
+            }
+        });
+        DEFPRINT(AST_Seq, function(self, output) {
+            self._do_print(output);
+        });
+        DEFPRINT(AST_Dot, function(self, output) {
+            var expr = self.expression;
+            expr.print(output);
+            if (expr instanceof AST_Number) {
+                if (!/[xa-f.]/i.test(output.last())) {
+                    output.print(".");
+                }
+            }
+            output.print(".");
+            output.add_mapping(self.end);
+            output.print_name(self.property);
+        });
+        DEFPRINT(AST_Sub, function(self, output) {
+            self.expression.print(output);
+            output.print("[");
+            self.property.print(output);
+            output.print("]");
+        });
+        DEFPRINT(AST_UnaryPrefix, function(self, output) {
+            var op = self.operator;
+            output.print(op);
+            if (/^[a-z]/i.test(op)) output.space();
+            self.expression.print(output);
+        });
+        DEFPRINT(AST_UnaryPostfix, function(self, output) {
+            self.expression.print(output);
+            output.print(self.operator);
+        });
+        DEFPRINT(AST_Binary, function(self, output) {
+            self.left.print(output);
+            output.space();
+            output.print(self.operator);
+            output.space();
+            self.right.print(output);
+        });
+        DEFPRINT(AST_Conditional, function(self, output) {
+            self.condition.print(output);
+            output.space();
+            output.print("?");
+            output.space();
+            self.consequent.print(output);
+            output.space();
+            output.colon();
+            self.alternative.print(output);
+        });
+        DEFPRINT(AST_Array, function(self, output) {
+            output.with_square(function() {
+                var a = self.elements, len = a.length;
+                if (len > 0) output.space();
+                a.forEach(function(exp, i) {
+                    if (i) output.comma();
+                    if (!(exp instanceof AST_Undefined)) exp.print(output);
+                });
+                if (len > 0) output.space();
+            });
+        });
+        DEFPRINT(AST_Object, function(self, output) {
+            if (self.properties.length > 0) output.with_block(function() {
+                self.properties.forEach(function(prop, i) {
+                    if (i) {
+                        output.print(",");
+                        output.newline();
+                    }
+                    output.indent();
+                    prop.print(output);
+                });
+                output.newline();
+            }); else output.print("{}");
+        });
+        DEFPRINT(AST_ObjectKeyVal, function(self, output) {
+            var key = self.key;
+            if (output.option("quote_keys")) {
+                output.print_string(key);
+            } else if ((typeof key == "number" || !output.option("beautify") && +key + "" == key) && parseFloat(key) >= 0) {
+                output.print(make_num(key));
+            } else if (!is_identifier(key)) {
+                output.print_string(key);
+            } else {
+                output.print_name(key);
+            }
+            output.colon();
+            self.value.print(output);
+        });
+        DEFPRINT(AST_ObjectSetter, function(self, output) {
+            output.print("set");
+            self.value._do_print(output, true);
+        });
+        DEFPRINT(AST_ObjectGetter, function(self, output) {
+            output.print("get");
+            self.value._do_print(output, true);
+        });
+        DEFPRINT(AST_Symbol, function(self, output) {
+            var def = self.definition();
+            output.print_name(def ? def.mangled_name || def.name : self.name);
+        });
+        DEFPRINT(AST_Undefined, function(self, output) {
+            output.print("void 0");
+        });
+        DEFPRINT(AST_Infinity, function(self, output) {
+            output.print("1/0");
+        });
+        DEFPRINT(AST_NaN, function(self, output) {
+            output.print("0/0");
+        });
+        DEFPRINT(AST_This, function(self, output) {
+            output.print("this");
+        });
+        DEFPRINT(AST_Constant, function(self, output) {
+            output.print(self.getValue());
+        });
+        DEFPRINT(AST_String, function(self, output) {
+            output.print_string(self.getValue());
+        });
+        DEFPRINT(AST_Number, function(self, output) {
+            output.print(make_num(self.getValue()));
+        });
+        DEFPRINT(AST_RegExp, function(self, output) {
+            var str = self.getValue().toString();
+            if (output.option("ascii_only")) str = output.to_ascii(str);
+            output.print(str);
+        });
+        function force_statement(stat, output) {
+            if (output.option("bracketize")) {
+                if (!stat || stat instanceof AST_EmptyStatement) output.print("{}"); else if (stat instanceof AST_BlockStatement) stat.print(output); else output.with_block(function() {
+                    output.indent();
+                    stat.print(output);
+                    output.newline();
+                });
+            } else {
+                if (!stat || stat instanceof AST_EmptyStatement) output.force_semicolon(); else stat.print(output);
+            }
+        }
+        function first_in_statement(output) {
+            var a = output.stack(), i = a.length, node = a[--i], p = a[--i];
+            while (i > 0) {
+                if (p instanceof AST_Statement && p.body === node) return true;
+                if (p instanceof AST_Seq && p.car === node || p instanceof AST_Call && p.expression === node || p instanceof AST_Dot && p.expression === node || p instanceof AST_Sub && p.expression === node || p instanceof AST_Conditional && p.condition === node || p instanceof AST_Binary && p.left === node || p instanceof AST_UnaryPostfix && p.expression === node) {
+                    node = p;
+                    p = a[--i];
+                } else {
+                    return false;
+                }
+            }
+        }
+        function no_constructor_parens(self, output) {
+            return self.args.length == 0 && !output.option("beautify");
+        }
+        function best_of(a) {
+            var best = a[0], len = best.length;
+            for (var i = 1; i < a.length; ++i) {
+                if (a[i].length < len) {
+                    best = a[i];
+                    len = best.length;
+                }
+            }
+            return best;
+        }
+        function make_num(num) {
+            var str = num.toString(10), a = [ str.replace(/^0\./, ".").replace("e+", "e") ], m;
+            if (Math.floor(num) === num) {
+                if (num >= 0) {
+                    a.push("0x" + num.toString(16).toLowerCase(), "0" + num.toString(8));
+                } else {
+                    a.push("-0x" + (-num).toString(16).toLowerCase(), "-0" + (-num).toString(8));
+                }
+                if (m = /^(.*?)(0+)$/.exec(num)) {
+                    a.push(m[1] + "e" + m[2].length);
+                }
+            } else if (m = /^0?\.(0+)(.*)$/.exec(num)) {
+                a.push(m[2] + "e-" + (m[1].length + m[2].length), str.substr(str.indexOf(".")));
+            }
+            return best_of(a);
+        }
+        function make_block(stmt, output) {
+            if (stmt instanceof AST_BlockStatement) {
+                stmt.print(output);
+                return;
+            }
+            output.with_block(function() {
+                output.indent();
+                stmt.print(output);
+                output.newline();
+            });
+        }
+        function DEFMAP(nodetype, generator) {
+            nodetype.DEFMETHOD("add_source_map", function(stream) {
+                generator(this, stream);
+            });
+        }
+        DEFMAP(AST_Node, noop);
+        function basic_sourcemap_gen(self, output) {
+            output.add_mapping(self.start);
+        }
+        DEFMAP(AST_Directive, basic_sourcemap_gen);
+        DEFMAP(AST_Debugger, basic_sourcemap_gen);
+        DEFMAP(AST_Symbol, basic_sourcemap_gen);
+        DEFMAP(AST_Jump, basic_sourcemap_gen);
+        DEFMAP(AST_StatementWithBody, basic_sourcemap_gen);
+        DEFMAP(AST_LabeledStatement, noop);
+        DEFMAP(AST_Lambda, basic_sourcemap_gen);
+        DEFMAP(AST_Switch, basic_sourcemap_gen);
+        DEFMAP(AST_SwitchBranch, basic_sourcemap_gen);
+        DEFMAP(AST_BlockStatement, basic_sourcemap_gen);
+        DEFMAP(AST_Toplevel, noop);
+        DEFMAP(AST_New, basic_sourcemap_gen);
+        DEFMAP(AST_Try, basic_sourcemap_gen);
+        DEFMAP(AST_Catch, basic_sourcemap_gen);
+        DEFMAP(AST_Finally, basic_sourcemap_gen);
+        DEFMAP(AST_Definitions, basic_sourcemap_gen);
+        DEFMAP(AST_Constant, basic_sourcemap_gen);
+        DEFMAP(AST_ObjectProperty, function(self, output) {
+            output.add_mapping(self.start, self.key);
+        });
+    })();
+    "use strict";
+    function Compressor(options, false_by_default) {
+        if (!(this instanceof Compressor)) return new Compressor(options, false_by_default);
+        TreeTransformer.call(this, this.before, this.after);
+        this.options = defaults(options, {
+            sequences: !false_by_default,
+            properties: !false_by_default,
+            dead_code: !false_by_default,
+            drop_debugger: !false_by_default,
+            unsafe: !false_by_default,
+            unsafe_comps: false,
+            conditionals: !false_by_default,
+            comparisons: !false_by_default,
+            evaluate: !false_by_default,
+            booleans: !false_by_default,
+            loops: !false_by_default,
+            unused: !false_by_default,
+            hoist_funs: !false_by_default,
+            hoist_vars: false,
+            if_return: !false_by_default,
+            join_vars: !false_by_default,
+            cascade: !false_by_default,
+            side_effects: !false_by_default,
+            warnings: true,
+            global_defs: {}
+        }, true);
+    }
+    Compressor.prototype = new TreeTransformer();
+    merge(Compressor.prototype, {
+        option: function(key) {
+            return this.options[key];
+        },
+        warn: function() {
+            if (this.options.warnings) AST_Node.warn.apply(AST_Node, arguments);
+        },
+        before: function(node, descend, in_list) {
+            if (node._squeezed) return node;
+            if (node instanceof AST_Scope) {
+                node.drop_unused(this);
+                node = node.hoist_declarations(this);
+            }
+            descend(node, this);
+            node = node.optimize(this);
+            if (node instanceof AST_Scope) {
+                var save_warnings = this.options.warnings;
+                this.options.warnings = false;
+                node.drop_unused(this);
+                this.options.warnings = save_warnings;
+            }
+            node._squeezed = true;
+            return node;
+        }
+    });
+    (function() {
+        function OPT(node, optimizer) {
+            node.DEFMETHOD("optimize", function(compressor) {
+                var self = this;
+                if (self._optimized) return self;
+                var opt = optimizer(self, compressor);
+                opt._optimized = true;
+                if (opt === self) return opt;
+                return opt.transform(compressor);
+            });
+        }
+        OPT(AST_Node, function(self, compressor) {
+            return self;
+        });
+        AST_Node.DEFMETHOD("equivalent_to", function(node) {
+            return this.print_to_string() == node.print_to_string();
+        });
+        function make_node(ctor, orig, props) {
+            if (!props) props = {};
+            if (orig) {
+                if (!props.start) props.start = orig.start;
+                if (!props.end) props.end = orig.end;
+            }
+            return new ctor(props);
+        }
+        function make_node_from_constant(compressor, val, orig) {
+            if (val instanceof AST_Node) return val.transform(compressor);
+            switch (typeof val) {
+              case "string":
+                return make_node(AST_String, orig, {
+                    value: val
+                }).optimize(compressor);
+
+              case "number":
+                return make_node(isNaN(val) ? AST_NaN : AST_Number, orig, {
+                    value: val
+                }).optimize(compressor);
+
+              case "boolean":
+                return make_node(val ? AST_True : AST_False, orig);
+
+              case "undefined":
+                return make_node(AST_Undefined, orig).optimize(compressor);
+
+              default:
+                if (val === null) {
+                    return make_node(AST_Null, orig).optimize(compressor);
+                }
+                if (val instanceof RegExp) {
+                    return make_node(AST_RegExp, orig).optimize(compressor);
+                }
+                throw new Error(string_template("Can't handle constant of type: {type}", {
+                    type: typeof val
+                }));
+            }
+        }
+        function as_statement_array(thing) {
+            if (thing === null) return [];
+            if (thing instanceof AST_BlockStatement) return thing.body;
+            if (thing instanceof AST_EmptyStatement) return [];
+            if (thing instanceof AST_Statement) return [ thing ];
+            throw new Error("Can't convert thing to statement array");
+        }
+        function is_empty(thing) {
+            if (thing === null) return true;
+            if (thing instanceof AST_EmptyStatement) return true;
+            if (thing instanceof AST_BlockStatement) return thing.body.length == 0;
+            return false;
+        }
+        function loop_body(x) {
+            if (x instanceof AST_Switch) return x;
+            if (x instanceof AST_For || x instanceof AST_ForIn || x instanceof AST_DWLoop) {
+                return x.body instanceof AST_BlockStatement ? x.body : x;
+            }
+            return x;
+        }
+        function tighten_body(statements, compressor) {
+            var CHANGED;
+            do {
+                CHANGED = false;
+                statements = eliminate_spurious_blocks(statements);
+                if (compressor.option("dead_code")) {
+                    statements = eliminate_dead_code(statements, compressor);
+                }
+                if (compressor.option("if_return")) {
+                    statements = handle_if_return(statements, compressor);
+                }
+                if (compressor.option("sequences")) {
+                    statements = sequencesize(statements, compressor);
+                }
+                if (compressor.option("join_vars")) {
+                    statements = join_consecutive_vars(statements, compressor);
+                }
+            } while (CHANGED);
+            return statements;
+            function eliminate_spurious_blocks(statements) {
+                var seen_dirs = [];
+                return statements.reduce(function(a, stat) {
+                    if (stat instanceof AST_BlockStatement) {
+                        CHANGED = true;
+                        a.push.apply(a, eliminate_spurious_blocks(stat.body));
+                    } else if (stat instanceof AST_EmptyStatement) {
+                        CHANGED = true;
+                    } else if (stat instanceof AST_Directive) {
+                        if (seen_dirs.indexOf(stat.value) < 0) {
+                            a.push(stat);
+                            seen_dirs.push(stat.value);
+                        } else {
+                            CHANGED = true;
+                        }
+                    } else {
+                        a.push(stat);
+                    }
+                    return a;
+                }, []);
+            }
+            function handle_if_return(statements, compressor) {
+                var self = compressor.self();
+                var in_lambda = self instanceof AST_Lambda;
+                var ret = [];
+                loop: for (var i = statements.length; --i >= 0; ) {
+                    var stat = statements[i];
+                    switch (true) {
+                      case in_lambda && stat instanceof AST_Return && !stat.value && ret.length == 0:
+                        CHANGED = true;
+                        continue loop;
+
+                      case stat instanceof AST_If:
+                        if (stat.body instanceof AST_Return) {
+                            if ((in_lambda && ret.length == 0 || ret[0] instanceof AST_Return && !ret[0].value) && !stat.body.value && !stat.alternative) {
+                                CHANGED = true;
+                                var cond = make_node(AST_SimpleStatement, stat.condition, {
+                                    body: stat.condition
+                                });
+                                ret.unshift(cond);
+                                continue loop;
+                            }
+                            if (ret[0] instanceof AST_Return && stat.body.value && ret[0].value && !stat.alternative) {
+                                CHANGED = true;
+                                stat = stat.clone();
+                                stat.alternative = ret[0];
+                                ret[0] = stat.transform(compressor);
+                                continue loop;
+                            }
+                            if ((ret.length == 0 || ret[0] instanceof AST_Return) && stat.body.value && !stat.alternative && in_lambda) {
+                                CHANGED = true;
+                                stat = stat.clone();
+                                stat.alternative = ret[0] || make_node(AST_Return, stat, {
+                                    value: make_node(AST_Undefined, stat)
+                                });
+                                ret[0] = stat.transform(compressor);
+                                continue loop;
+                            }
+                            if (!stat.body.value && in_lambda) {
+                                CHANGED = true;
+                                stat = stat.clone();
+                                stat.condition = stat.condition.negate(compressor);
+                                stat.body = make_node(AST_BlockStatement, stat, {
+                                    body: as_statement_array(stat.alternative).concat(ret)
+                                });
+                                stat.alternative = null;
+                                ret = [ stat.transform(compressor) ];
+                                continue loop;
+                            }
+                            if (ret.length == 1 && in_lambda && ret[0] instanceof AST_SimpleStatement && (!stat.alternative || stat.alternative instanceof AST_SimpleStatement)) {
+                                CHANGED = true;
+                                ret.push(make_node(AST_Return, ret[0], {
+                                    value: make_node(AST_Undefined, ret[0])
+                                }).transform(compressor));
+                                ret = as_statement_array(stat.alternative).concat(ret);
+                                ret.unshift(stat);
+                                continue loop;
+                            }
+                        }
+                        var ab = aborts(stat.body);
+                        var lct = ab instanceof AST_LoopControl ? compressor.loopcontrol_target(ab.label) : null;
+                        if (ab && (ab instanceof AST_Return && !ab.value && in_lambda || ab instanceof AST_Continue && self === loop_body(lct) || ab instanceof AST_Break && lct instanceof AST_BlockStatement && self === lct)) {
+                            if (ab.label) {
+                                remove(ab.label.thedef.references, ab.label);
+                            }
+                            CHANGED = true;
+                            var body = as_statement_array(stat.body).slice(0, -1);
+                            stat = stat.clone();
+                            stat.condition = stat.condition.negate(compressor);
+                            stat.body = make_node(AST_BlockStatement, stat, {
+                                body: ret
+                            });
+                            stat.alternative = make_node(AST_BlockStatement, stat, {
+                                body: body
+                            });
+                            ret = [ stat.transform(compressor) ];
+                            continue loop;
+                        }
+                        var ab = aborts(stat.alternative);
+                        var lct = ab instanceof AST_LoopControl ? compressor.loopcontrol_target(ab.label) : null;
+                        if (ab && (ab instanceof AST_Return && !ab.value && in_lambda || ab instanceof AST_Continue && self === loop_body(lct) || ab instanceof AST_Break && lct instanceof AST_BlockStatement && self === lct)) {
+                            if (ab.label) {
+                                remove(ab.label.thedef.references, ab.label);
+                            }
+                            CHANGED = true;
+                            stat = stat.clone();
+                            stat.body = make_node(AST_BlockStatement, stat.body, {
+                                body: as_statement_array(stat.body).concat(ret)
+                            });
+                            stat.alternative = make_node(AST_BlockStatement, stat.alternative, {
+                                body: as_statement_array(stat.alternative).slice(0, -1)
+                            });
+                            ret = [ stat.transform(compressor) ];
+                            continue loop;
+                        }
+                        ret.unshift(stat);
+                        break;
+
+                      default:
+                        ret.unshift(stat);
+                        break;
+                    }
+                }
+                return ret;
+            }
+            function eliminate_dead_code(statements, compressor) {
+                var has_quit = false;
+                var orig = statements.length;
+                var self = compressor.self();
+                statements = statements.reduce(function(a, stat) {
+                    if (has_quit) {
+                        extract_declarations_from_unreachable_code(compressor, stat, a);
+                    } else {
+                        if (stat instanceof AST_LoopControl) {
+                            var lct = compressor.loopcontrol_target(stat.label);
+                            if (stat instanceof AST_Break && lct instanceof AST_BlockStatement && loop_body(lct) === self || stat instanceof AST_Continue && loop_body(lct) === self) {
+                                if (stat.label) {
+                                    remove(stat.label.thedef.references, stat.label);
+                                }
+                            } else {
+                                a.push(stat);
+                            }
+                        } else {
+                            a.push(stat);
+                        }
+                        if (aborts(stat)) has_quit = true;
+                    }
+                    return a;
+                }, []);
+                CHANGED = statements.length != orig;
+                return statements;
+            }
+            function sequencesize(statements, compressor) {
+                if (statements.length < 2) return statements;
+                var seq = [], ret = [];
+                function push_seq() {
+                    seq = AST_Seq.from_array(seq);
+                    if (seq) ret.push(make_node(AST_SimpleStatement, seq, {
+                        body: seq
+                    }));
+                    seq = [];
+                }
+                statements.forEach(function(stat) {
+                    if (stat instanceof AST_SimpleStatement) seq.push(stat.body); else push_seq(), ret.push(stat);
+                });
+                push_seq();
+                ret = sequencesize_2(ret, compressor);
+                CHANGED = ret.length != statements.length;
+                return ret;
+            }
+            function sequencesize_2(statements, compressor) {
+                function cons_seq(right) {
+                    ret.pop();
+                    var left = prev.body;
+                    if (left instanceof AST_Seq) {
+                        left.add(right);
+                    } else {
+                        left = AST_Seq.cons(left, right);
+                    }
+                    return left.transform(compressor);
+                }
+                var ret = [], prev = null;
+                statements.forEach(function(stat) {
+                    if (prev) {
+                        if (stat instanceof AST_For) {
+                            var opera = {};
+                            try {
+                                prev.body.walk(new TreeWalker(function(node) {
+                                    if (node instanceof AST_Binary && node.operator == "in") throw opera;
+                                }));
+                                if (stat.init && !(stat.init instanceof AST_Definitions)) {
+                                    stat.init = cons_seq(stat.init);
+                                } else if (!stat.init) {
+                                    stat.init = prev.body;
+                                    ret.pop();
+                                }
+                            } catch (ex) {
+                                if (ex !== opera) throw ex;
+                            }
+                        } else if (stat instanceof AST_If) {
+                            stat.condition = cons_seq(stat.condition);
+                        } else if (stat instanceof AST_With) {
+                            stat.expression = cons_seq(stat.expression);
+                        } else if (stat instanceof AST_Exit && stat.value) {
+                            stat.value = cons_seq(stat.value);
+                        } else if (stat instanceof AST_Exit) {
+                            stat.value = cons_seq(make_node(AST_Undefined, stat));
+                        } else if (stat instanceof AST_Switch) {
+                            stat.expression = cons_seq(stat.expression);
+                        }
+                    }
+                    ret.push(stat);
+                    prev = stat instanceof AST_SimpleStatement ? stat : null;
+                });
+                return ret;
+            }
+            function join_consecutive_vars(statements, compressor) {
+                var prev = null;
+                return statements.reduce(function(a, stat) {
+                    if (stat instanceof AST_Definitions && prev && prev.TYPE == stat.TYPE) {
+                        prev.definitions = prev.definitions.concat(stat.definitions);
+                        CHANGED = true;
+                    } else if (stat instanceof AST_For && prev instanceof AST_Definitions && (!stat.init || stat.init.TYPE == prev.TYPE)) {
+                        CHANGED = true;
+                        a.pop();
+                        if (stat.init) {
+                            stat.init.definitions = prev.definitions.concat(stat.init.definitions);
+                        } else {
+                            stat.init = prev;
+                        }
+                        a.push(stat);
+                        prev = stat;
+                    } else {
+                        prev = stat;
+                        a.push(stat);
+                    }
+                    return a;
+                }, []);
+            }
+        }
+        function extract_declarations_from_unreachable_code(compressor, stat, target) {
+            compressor.warn("Dropping unreachable code [{file}:{line},{col}]", stat.start);
+            stat.walk(new TreeWalker(function(node) {
+                if (node instanceof AST_Definitions) {
+                    compressor.warn("Declarations in unreachable code! [{file}:{line},{col}]", node.start);
+                    node.remove_initializers();
+                    target.push(node);
+                    return true;
+                }
+                if (node instanceof AST_Defun) {
+                    target.push(node);
+                    return true;
+                }
+                if (node instanceof AST_Scope) {
+                    return true;
+                }
+            }));
+        }
+        (function(def) {
+            var unary_bool = [ "!", "delete" ];
+            var binary_bool = [ "in", "instanceof", "==", "!=", "===", "!==", "<", "<=", ">=", ">" ];
+            def(AST_Node, function() {
+                return false;
+            });
+            def(AST_UnaryPrefix, function() {
+                return member(this.operator, unary_bool);
+            });
+            def(AST_Binary, function() {
+                return member(this.operator, binary_bool) || (this.operator == "&&" || this.operator == "||") && this.left.is_boolean() && this.right.is_boolean();
+            });
+            def(AST_Conditional, function() {
+                return this.consequent.is_boolean() && this.alternative.is_boolean();
+            });
+            def(AST_Assign, function() {
+                return this.operator == "=" && this.right.is_boolean();
+            });
+            def(AST_Seq, function() {
+                return this.cdr.is_boolean();
+            });
+            def(AST_True, function() {
+                return true;
+            });
+            def(AST_False, function() {
+                return true;
+            });
+        })(function(node, func) {
+            node.DEFMETHOD("is_boolean", func);
+        });
+        (function(def) {
+            def(AST_Node, function() {
+                return false;
+            });
+            def(AST_String, function() {
+                return true;
+            });
+            def(AST_UnaryPrefix, function() {
+                return this.operator == "typeof";
+            });
+            def(AST_Binary, function(compressor) {
+                return this.operator == "+" && (this.left.is_string(compressor) || this.right.is_string(compressor));
+            });
+            def(AST_Assign, function(compressor) {
+                return (this.operator == "=" || this.operator == "+=") && this.right.is_string(compressor);
+            });
+            def(AST_Seq, function(compressor) {
+                return this.cdr.is_string(compressor);
+            });
+            def(AST_Conditional, function(compressor) {
+                return this.consequent.is_string(compressor) && this.alternative.is_string(compressor);
+            });
+            def(AST_Call, function(compressor) {
+                return compressor.option("unsafe") && this.expression instanceof AST_SymbolRef && this.expression.name == "String" && this.expression.undeclared();
+            });
+        })(function(node, func) {
+            node.DEFMETHOD("is_string", func);
+        });
+        function best_of(ast1, ast2) {
+            return ast1.print_to_string().length > ast2.print_to_string().length ? ast2 : ast1;
+        }
+        (function(def) {
+            AST_Node.DEFMETHOD("evaluate", function(compressor) {
+                if (!compressor.option("evaluate")) return [ this ];
+                try {
+                    var val = this._eval(), ast = make_node_from_constant(compressor, val, this);
+                    return [ best_of(ast, this), val ];
+                } catch (ex) {
+                    if (ex !== def) throw ex;
+                    return [ this ];
+                }
+            });
+            def(AST_Statement, function() {
+                throw new Error(string_template("Cannot evaluate a statement [{file}:{line},{col}]", this.start));
+            });
+            def(AST_Function, function() {
+                return [ this ];
+            });
+            function ev(node) {
+                return node._eval();
+            }
+            def(AST_Node, function() {
+                throw def;
+            });
+            def(AST_Constant, function() {
+                return this.getValue();
+            });
+            def(AST_UnaryPrefix, function() {
+                var e = this.expression;
+                switch (this.operator) {
+                  case "!":
+                    return !ev(e);
+
+                  case "typeof":
+                    return typeof ev(e);
+
+                  case "void":
+                    return void ev(e);
+
+                  case "~":
+                    return ~ev(e);
+
+                  case "-":
+                    return -ev(e);
+
+                  case "+":
+                    return +ev(e);
+                }
+                throw def;
+            });
+            def(AST_Binary, function() {
+                var left = this.left, right = this.right;
+                switch (this.operator) {
+                  case "&&":
+                    return ev(left) && ev(right);
+
+                  case "||":
+                    return ev(left) || ev(right);
+
+                  case "|":
+                    return ev(left) | ev(right);
+
+                  case "&":
+                    return ev(left) & ev(right);
+
+                  case "^":
+                    return ev(left) ^ ev(right);
+
+                  case "+":
+                    return ev(left) + ev(right);
+
+                  case "*":
+                    return ev(left) * ev(right);
+
+                  case "/":
+                    return ev(left) / ev(right);
+
+                  case "%":
+                    return ev(left) % ev(right);
+
+                  case "-":
+                    return ev(left) - ev(right);
+
+                  case "<<":
+                    return ev(left) << ev(right);
+
+                  case ">>":
+                    return ev(left) >> ev(right);
+
+                  case ">>>":
+                    return ev(left) >>> ev(right);
+
+                  case "==":
+                    return ev(left) == ev(right);
+
+                  case "===":
+                    return ev(left) === ev(right);
+
+                  case "!=":
+                    return ev(left) != ev(right);
+
+                  case "!==":
+                    return ev(left) !== ev(right);
+
+                  case "<":
+                    return ev(left) < ev(right);
+
+                  case "<=":
+                    return ev(left) <= ev(right);
+
+                  case ">":
+                    return ev(left) > ev(right);
+
+                  case ">=":
+                    return ev(left) >= ev(right);
+
+                  case "in":
+                    return ev(left) in ev(right);
+
+                  case "instanceof":
+                    return ev(left) instanceof ev(right);
+                }
+                throw def;
+            });
+            def(AST_Conditional, function() {
+                return ev(this.condition) ? ev(this.consequent) : ev(this.alternative);
+            });
+            def(AST_SymbolRef, function() {
+                var d = this.definition();
+                if (d && d.constant) {
+                    var orig = d.orig[0];
+                    if (orig) orig = orig.init[0];
+                    orig = orig && orig.value;
+                    if (orig) return ev(orig);
+                }
+                throw def;
+            });
+        })(function(node, func) {
+            node.DEFMETHOD("_eval", func);
+        });
+        (function(def) {
+            function basic_negation(exp) {
+                return make_node(AST_UnaryPrefix, exp, {
+                    operator: "!",
+                    expression: exp
+                });
+            }
+            def(AST_Node, function() {
+                return basic_negation(this);
+            });
+            def(AST_Statement, function() {
+                throw new Error("Cannot negate a statement");
+            });
+            def(AST_Function, function() {
+                return basic_negation(this);
+            });
+            def(AST_UnaryPrefix, function() {
+                if (this.operator == "!") return this.expression;
+                return basic_negation(this);
+            });
+            def(AST_Seq, function(compressor) {
+                var self = this.clone();
+                self.cdr = self.cdr.negate(compressor);
+                return self;
+            });
+            def(AST_Conditional, function(compressor) {
+                var self = this.clone();
+                self.consequent = self.consequent.negate(compressor);
+                self.alternative = self.alternative.negate(compressor);
+                return best_of(basic_negation(this), self);
+            });
+            def(AST_Binary, function(compressor) {
+                var self = this.clone(), op = this.operator;
+                if (compressor.option("unsafe_comps")) {
+                    switch (op) {
+                      case "<=":
+                        self.operator = ">";
+                        return self;
+
+                      case "<":
+                        self.operator = ">=";
+                        return self;
+
+                      case ">=":
+                        self.operator = "<";
+                        return self;
+
+                      case ">":
+                        self.operator = "<=";
+                        return self;
+                    }
+                }
+                switch (op) {
+                  case "==":
+                    self.operator = "!=";
+                    return self;
+
+                  case "!=":
+                    self.operator = "==";
+                    return self;
+
+                  case "===":
+                    self.operator = "!==";
+                    return self;
+
+                  case "!==":
+                    self.operator = "===";
+                    return self;
+
+                  case "&&":
+                    self.operator = "||";
+                    self.left = self.left.negate(compressor);
+                    self.right = self.right.negate(compressor);
+                    return best_of(basic_negation(this), self);
+
+                  case "||":
+                    self.operator = "&&";
+                    self.left = self.left.negate(compressor);
+                    self.right = self.right.negate(compressor);
+                    return best_of(basic_negation(this), self);
+                }
+                return basic_negation(this);
+            });
+        })(function(node, func) {
+            node.DEFMETHOD("negate", function(compressor) {
+                return func.call(this, compressor);
+            });
+        });
+        (function(def) {
+            def(AST_Node, function() {
+                return true;
+            });
+            def(AST_EmptyStatement, function() {
+                return false;
+            });
+            def(AST_Constant, function() {
+                return false;
+            });
+            def(AST_This, function() {
+                return false;
+            });
+            def(AST_Block, function() {
+                for (var i = this.body.length; --i >= 0; ) {
+                    if (this.body[i].has_side_effects()) return true;
+                }
+                return false;
+            });
+            def(AST_SimpleStatement, function() {
+                return this.body.has_side_effects();
+            });
+            def(AST_Defun, function() {
+                return true;
+            });
+            def(AST_Function, function() {
+                return false;
+            });
+            def(AST_Binary, function() {
+                return this.left.has_side_effects() || this.right.has_side_effects();
+            });
+            def(AST_Assign, function() {
+                return true;
+            });
+            def(AST_Conditional, function() {
+                return this.condition.has_side_effects() || this.consequent.has_side_effects() || this.alternative.has_side_effects();
+            });
+            def(AST_Unary, function() {
+                return this.operator == "delete" || this.operator == "++" || this.operator == "--" || this.expression.has_side_effects();
+            });
+            def(AST_SymbolRef, function() {
+                return false;
+            });
+            def(AST_Object, function() {
+                for (var i = this.properties.length; --i >= 0; ) if (this.properties[i].has_side_effects()) return true;
+                return false;
+            });
+            def(AST_ObjectProperty, function() {
+                return this.value.has_side_effects();
+            });
+            def(AST_Array, function() {
+                for (var i = this.elements.length; --i >= 0; ) if (this.elements[i].has_side_effects()) return true;
+                return false;
+            });
+            def(AST_PropAccess, function() {
+                return true;
+            });
+            def(AST_Seq, function() {
+                return this.car.has_side_effects() || this.cdr.has_side_effects();
+            });
+        })(function(node, func) {
+            node.DEFMETHOD("has_side_effects", func);
+        });
+        function aborts(thing) {
+            return thing && thing.aborts();
+        }
+        (function(def) {
+            def(AST_Statement, function() {
+                return null;
+            });
+            def(AST_Jump, function() {
+                return this;
+            });
+            function block_aborts() {
+                var n = this.body.length;
+                return n > 0 && aborts(this.body[n - 1]);
+            }
+            def(AST_BlockStatement, block_aborts);
+            def(AST_SwitchBranch, block_aborts);
+            def(AST_If, function() {
+                return this.alternative && aborts(this.body) && aborts(this.alternative);
+            });
+        })(function(node, func) {
+            node.DEFMETHOD("aborts", func);
+        });
+        OPT(AST_Directive, function(self, compressor) {
+            if (self.scope.has_directive(self.value) !== self.scope) {
+                return make_node(AST_EmptyStatement, self);
+            }
+            return self;
+        });
+        OPT(AST_Debugger, function(self, compressor) {
+            if (compressor.option("drop_debugger")) return make_node(AST_EmptyStatement, self);
+            return self;
+        });
+        OPT(AST_LabeledStatement, function(self, compressor) {
+            if (self.body instanceof AST_Break && compressor.loopcontrol_target(self.body.label) === self.body) {
+                return make_node(AST_EmptyStatement, self);
+            }
+            return self.label.references.length == 0 ? self.body : self;
+        });
+        OPT(AST_Block, function(self, compressor) {
+            self.body = tighten_body(self.body, compressor);
+            return self;
+        });
+        OPT(AST_BlockStatement, function(self, compressor) {
+            self.body = tighten_body(self.body, compressor);
+            switch (self.body.length) {
+              case 1:
+                return self.body[0];
+
+              case 0:
+                return make_node(AST_EmptyStatement, self);
+            }
+            return self;
+        });
+        AST_Scope.DEFMETHOD("drop_unused", function(compressor) {
+            var self = this;
+            if (compressor.option("unused") && !(self instanceof AST_Toplevel) && !self.uses_eval) {
+                var in_use = [];
+                var initializations = new Dictionary();
+                var scope = this;
+                var tw = new TreeWalker(function(node, descend) {
+                    if (node !== self) {
+                        if (node instanceof AST_Defun) {
+                            initializations.add(node.name.name, node);
+                            return true;
+                        }
+                        if (node instanceof AST_Definitions && scope === self) {
+                            node.definitions.forEach(function(def) {
+                                if (def.value) {
+                                    initializations.add(def.name.name, def.value);
+                                    if (def.value.has_side_effects()) {
+                                        def.value.walk(tw);
+                                    }
+                                }
+                            });
+                            return true;
+                        }
+                        if (node instanceof AST_SymbolRef) {
+                            push_uniq(in_use, node.definition());
+                            return true;
+                        }
+                        if (node instanceof AST_Scope) {
+                            var save_scope = scope;
+                            scope = node;
+                            descend();
+                            scope = save_scope;
+                            return true;
+                        }
+                    }
+                });
+                self.walk(tw);
+                for (var i = 0; i < in_use.length; ++i) {
+                    in_use[i].orig.forEach(function(decl) {
+                        var init = initializations.get(decl.name);
+                        if (init) init.forEach(function(init) {
+                            var tw = new TreeWalker(function(node) {
+                                if (node instanceof AST_SymbolRef) {
+                                    push_uniq(in_use, node.definition());
+                                }
+                            });
+                            init.walk(tw);
+                        });
+                    });
+                }
+                var tt = new TreeTransformer(function before(node, descend, in_list) {
+                    if (node instanceof AST_Lambda) {
+                        for (var a = node.argnames, i = a.length; --i >= 0; ) {
+                            var sym = a[i];
+                            if (sym.unreferenced()) {
+                                a.pop();
+                                compressor.warn("Dropping unused function argument {name} [{file}:{line},{col}]", {
+                                    name: sym.name,
+                                    file: sym.start.file,
+                                    line: sym.start.line,
+                                    col: sym.start.col
+                                });
+                            } else break;
+                        }
+                    }
+                    if (node instanceof AST_Defun && node !== self) {
+                        if (!member(node.name.definition(), in_use)) {
+                            compressor.warn("Dropping unused function {name} [{file}:{line},{col}]", {
+                                name: node.name.name,
+                                file: node.name.start.file,
+                                line: node.name.start.line,
+                                col: node.name.start.col
+                            });
+                            return make_node(AST_EmptyStatement, node);
+                        }
+                        return node;
+                    }
+                    if (node instanceof AST_Definitions && !(tt.parent() instanceof AST_ForIn)) {
+                        var def = node.definitions.filter(function(def) {
+                            if (member(def.name.definition(), in_use)) return true;
+                            var w = {
+                                name: def.name.name,
+                                file: def.name.start.file,
+                                line: def.name.start.line,
+                                col: def.name.start.col
+                            };
+                            if (def.value && def.value.has_side_effects()) {
+                                def._unused_side_effects = true;
+                                compressor.warn("Side effects in initialization of unused variable {name} [{file}:{line},{col}]", w);
+                                return true;
+                            }
+                            compressor.warn("Dropping unused variable {name} [{file}:{line},{col}]", w);
+                            return false;
+                        });
+                        def = mergeSort(def, function(a, b) {
+                            if (!a.value && b.value) return -1;
+                            if (!b.value && a.value) return 1;
+                            return 0;
+                        });
+                        var side_effects = [];
+                        for (var i = 0; i < def.length; ) {
+                            var x = def[i];
+                            if (x._unused_side_effects) {
+                                side_effects.push(x.value);
+                                def.splice(i, 1);
+                            } else {
+                                if (side_effects.length > 0) {
+                                    side_effects.push(x.value);
+                                    x.value = AST_Seq.from_array(side_effects);
+                                    side_effects = [];
+                                }
+                                ++i;
+                            }
+                        }
+                        if (side_effects.length > 0) {
+                            side_effects = make_node(AST_BlockStatement, node, {
+                                body: [ make_node(AST_SimpleStatement, node, {
+                                    body: AST_Seq.from_array(side_effects)
+                                }) ]
+                            });
+                        } else {
+                            side_effects = null;
+                        }
+                        if (def.length == 0 && !side_effects) {
+                            return make_node(AST_EmptyStatement, node);
+                        }
+                        if (def.length == 0) {
+                            return side_effects;
+                        }
+                        node.definitions = def;
+                        if (side_effects) {
+                            side_effects.body.unshift(node);
+                            node = side_effects;
+                        }
+                        return node;
+                    }
+                    if (node instanceof AST_For && node.init instanceof AST_BlockStatement) {
+                        descend(node, this);
+                        var body = node.init.body.slice(0, -1);
+                        node.init = node.init.body.slice(-1)[0].body;
+                        body.push(node);
+                        return in_list ? MAP.splice(body) : make_node(AST_BlockStatement, node, {
+                            body: body
+                        });
+                    }
+                    if (node instanceof AST_Scope && node !== self) return node;
+                });
+                self.transform(tt);
+            }
+        });
+        AST_Scope.DEFMETHOD("hoist_declarations", function(compressor) {
+            var hoist_funs = compressor.option("hoist_funs");
+            var hoist_vars = compressor.option("hoist_vars");
+            var self = this;
+            if (hoist_funs || hoist_vars) {
+                var dirs = [];
+                var hoisted = [];
+                var vars = new Dictionary(), vars_found = 0, var_decl = 0;
+                self.walk(new TreeWalker(function(node) {
+                    if (node instanceof AST_Scope && node !== self) return true;
+                    if (node instanceof AST_Var) {
+                        ++var_decl;
+                        return true;
+                    }
+                }));
+                hoist_vars = hoist_vars && var_decl > 1;
+                var tt = new TreeTransformer(function before(node) {
+                    if (node !== self) {
+                        if (node instanceof AST_Directive) {
+                            dirs.push(node);
+                            return make_node(AST_EmptyStatement, node);
+                        }
+                        if (node instanceof AST_Defun && hoist_funs) {
+                            hoisted.push(node);
+                            return make_node(AST_EmptyStatement, node);
+                        }
+                        if (node instanceof AST_Var && hoist_vars) {
+                            node.definitions.forEach(function(def) {
+                                vars.set(def.name.name, def);
+                                ++vars_found;
+                            });
+                            var seq = node.to_assignments();
+                            var p = tt.parent();
+                            if (p instanceof AST_ForIn && p.init === node) {
+                                if (seq == null) return node.definitions[0].name;
+                                return seq;
+                            }
+                            if (p instanceof AST_For && p.init === node) {
+                                return seq;
+                            }
+                            if (!seq) return make_node(AST_EmptyStatement, node);
+                            return make_node(AST_SimpleStatement, node, {
+                                body: seq
+                            });
+                        }
+                        if (node instanceof AST_Scope) return node;
+                    }
+                });
+                self = self.transform(tt);
+                if (vars_found > 0) {
+                    var defs = [];
+                    vars.each(function(def, name) {
+                        if (self instanceof AST_Lambda && find_if(function(x) {
+                            return x.name == def.name.name;
+                        }, self.argnames)) {
+                            vars.del(name);
+                        } else {
+                            def = def.clone();
+                            def.value = null;
+                            defs.push(def);
+                            vars.set(name, def);
+                        }
+                    });
+                    if (defs.length > 0) {
+                        for (var i = 0; i < self.body.length; ) {
+                            if (self.body[i] instanceof AST_SimpleStatement) {
+                                var expr = self.body[i].body, sym, assign;
+                                if (expr instanceof AST_Assign && expr.operator == "=" && (sym = expr.left) instanceof AST_Symbol && vars.has(sym.name)) {
+                                    var def = vars.get(sym.name);
+                                    if (def.value) break;
+                                    def.value = expr.right;
+                                    remove(defs, def);
+                                    defs.push(def);
+                                    self.body.splice(i, 1);
+                                    continue;
+                                }
+                                if (expr instanceof AST_Seq && (assign = expr.car) instanceof AST_Assign && assign.operator == "=" && (sym = assign.left) instanceof AST_Symbol && vars.has(sym.name)) {
+                                    var def = vars.get(sym.name);
+                                    if (def.value) break;
+                                    def.value = assign.right;
+                                    remove(defs, def);
+                                    defs.push(def);
+                                    self.body[i].body = expr.cdr;
+                                    continue;
+                                }
+                            }
+                            if (self.body[i] instanceof AST_EmptyStatement) {
+                                self.body.splice(i, 1);
+                                continue;
+                            }
+                            if (self.body[i] instanceof AST_BlockStatement) {
+                                var tmp = [ i, 1 ].concat(self.body[i].body);
+                                self.body.splice.apply(self.body, tmp);
+                                continue;
+                            }
+                            break;
+                        }
+                        defs = make_node(AST_Var, self, {
+                            definitions: defs
+                        });
+                        hoisted.push(defs);
+                    }
+                }
+                self.body = dirs.concat(hoisted, self.body);
+            }
+            return self;
+        });
+        OPT(AST_SimpleStatement, function(self, compressor) {
+            if (compressor.option("side_effects")) {
+                if (!self.body.has_side_effects()) {
+                    compressor.warn("Dropping side-effect-free statement [{file}:{line},{col}]", self.start);
+                    return make_node(AST_EmptyStatement, self);
+                }
+            }
+            return self;
+        });
+        OPT(AST_DWLoop, function(self, compressor) {
+            var cond = self.condition.evaluate(compressor);
+            self.condition = cond[0];
+            if (!compressor.option("loops")) return self;
+            if (cond.length > 1) {
+                if (cond[1]) {
+                    return make_node(AST_For, self, {
+                        body: self.body
+                    });
+                } else if (self instanceof AST_While) {
+                    if (compressor.option("dead_code")) {
+                        var a = [];
+                        extract_declarations_from_unreachable_code(compressor, self.body, a);
+                        return make_node(AST_BlockStatement, self, {
+                            body: a
+                        });
+                    }
+                } else {
+                    return self.body;
+                }
+            }
+            return self;
+        });
+        function if_break_in_loop(self, compressor) {
+            function drop_it(rest) {
+                rest = as_statement_array(rest);
+                if (self.body instanceof AST_BlockStatement) {
+                    self.body = self.body.clone();
+                    self.body.body = rest.concat(self.body.body.slice(1));
+                    self.body = self.body.transform(compressor);
+                } else {
+                    self.body = make_node(AST_BlockStatement, self.body, {
+                        body: rest
+                    }).transform(compressor);
+                }
+                if_break_in_loop(self, compressor);
+            }
+            var first = self.body instanceof AST_BlockStatement ? self.body.body[0] : self.body;
+            if (first instanceof AST_If) {
+                if (first.body instanceof AST_Break && compressor.loopcontrol_target(first.body.label) === self) {
+                    if (self.condition) {
+                        self.condition = make_node(AST_Binary, self.condition, {
+                            left: self.condition,
+                            operator: "&&",
+                            right: first.condition.negate(compressor)
+                        });
+                    } else {
+                        self.condition = first.condition.negate(compressor);
+                    }
+                    drop_it(first.alternative);
+                } else if (first.alternative instanceof AST_Break && compressor.loopcontrol_target(first.alternative.label) === self) {
+                    if (self.condition) {
+                        self.condition = make_node(AST_Binary, self.condition, {
+                            left: self.condition,
+                            operator: "&&",
+                            right: first.condition
+                        });
+                    } else {
+                        self.condition = first.condition;
+                    }
+                    drop_it(first.body);
+                }
+            }
+        }
+        OPT(AST_While, function(self, compressor) {
+            if (!compressor.option("loops")) return self;
+            self = AST_DWLoop.prototype.optimize.call(self, compressor);
+            if (self instanceof AST_While) {
+                if_break_in_loop(self, compressor);
+                self = make_node(AST_For, self, self).transform(compressor);
+            }
+            return self;
+        });
+        OPT(AST_For, function(self, compressor) {
+            var cond = self.condition;
+            if (cond) {
+                cond = cond.evaluate(compressor);
+                self.condition = cond[0];
+            }
+            if (!compressor.option("loops")) return self;
+            if (cond) {
+                if (cond.length > 1 && !cond[1]) {
+                    if (compressor.option("dead_code")) {
+                        var a = [];
+                        if (self.init instanceof AST_Statement) {
+                            a.push(self.init);
+                        } else if (self.init) {
+                            a.push(make_node(AST_SimpleStatement, self.init, {
+                                body: self.init
+                            }));
+                        }
+                        extract_declarations_from_unreachable_code(compressor, self.body, a);
+                        return make_node(AST_BlockStatement, self, {
+                            body: a
+                        });
+                    }
+                }
+            }
+            if_break_in_loop(self, compressor);
+            return self;
+        });
+        OPT(AST_If, function(self, compressor) {
+            if (!compressor.option("conditionals")) return self;
+            var cond = self.condition.evaluate(compressor);
+            self.condition = cond[0];
+            if (cond.length > 1) {
+                if (cond[1]) {
+                    compressor.warn("Condition always true [{file}:{line},{col}]", self.condition.start);
+                    if (compressor.option("dead_code")) {
+                        var a = [];
+                        if (self.alternative) {
+                            extract_declarations_from_unreachable_code(compressor, self.alternative, a);
+                        }
+                        a.push(self.body);
+                        return make_node(AST_BlockStatement, self, {
+                            body: a
+                        }).transform(compressor);
+                    }
+                } else {
+                    compressor.warn("Condition always false [{file}:{line},{col}]", self.condition.start);
+                    if (compressor.option("dead_code")) {
+                        var a = [];
+                        extract_declarations_from_unreachable_code(compressor, self.body, a);
+                        if (self.alternative) a.push(self.alternative);
+                        return make_node(AST_BlockStatement, self, {
+                            body: a
+                        }).transform(compressor);
+                    }
+                }
+            }
+            if (is_empty(self.alternative)) self.alternative = null;
+            var negated = self.condition.negate(compressor);
+            var negated_is_best = best_of(self.condition, negated) === negated;
+            if (self.alternative && negated_is_best) {
+                negated_is_best = false;
+                self.condition = negated;
+                var tmp = self.body;
+                self.body = self.alternative || make_node(AST_EmptyStatement);
+                self.alternative = tmp;
+            }
+            if (is_empty(self.body) && is_empty(self.alternative)) {
+                return make_node(AST_SimpleStatement, self.condition, {
+                    body: self.condition
+                }).transform(compressor);
+            }
+            if (self.body instanceof AST_SimpleStatement && self.alternative instanceof AST_SimpleStatement) {
+                return make_node(AST_SimpleStatement, self, {
+                    body: make_node(AST_Conditional, self, {
+                        condition: self.condition,
+                        consequent: self.body.body,
+                        alternative: self.alternative.body
+                    })
+                }).transform(compressor);
+            }
+            if (is_empty(self.alternative) && self.body instanceof AST_SimpleStatement) {
+                if (negated_is_best) return make_node(AST_SimpleStatement, self, {
+                    body: make_node(AST_Binary, self, {
+                        operator: "||",
+                        left: negated,
+                        right: self.body.body
+                    })
+                }).transform(compressor);
+                return make_node(AST_SimpleStatement, self, {
+                    body: make_node(AST_Binary, self, {
+                        operator: "&&",
+                        left: self.condition,
+                        right: self.body.body
+                    })
+                }).transform(compressor);
+            }
+            if (self.body instanceof AST_EmptyStatement && self.alternative && self.alternative instanceof AST_SimpleStatement) {
+                return make_node(AST_SimpleStatement, self, {
+                    body: make_node(AST_Binary, self, {
+                        operator: "||",
+                        left: self.condition,
+                        right: self.alternative.body
+                    })
+                }).transform(compressor);
+            }
+            if (self.body instanceof AST_Exit && self.alternative instanceof AST_Exit && self.body.TYPE == self.alternative.TYPE) {
+                return make_node(self.body.CTOR, self, {
+                    value: make_node(AST_Conditional, self, {
+                        condition: self.condition,
+                        consequent: self.body.value || make_node(AST_Undefined, self.body).optimize(compressor),
+                        alternative: self.alternative.value || make_node(AST_Undefined, self.alternative).optimize(compressor)
+                    })
+                }).transform(compressor);
+            }
+            if (self.body instanceof AST_If && !self.body.alternative && !self.alternative) {
+                self.condition = make_node(AST_Binary, self.condition, {
+                    operator: "&&",
+                    left: self.condition,
+                    right: self.body.condition
+                }).transform(compressor);
+                self.body = self.body.body;
+            }
+            if (aborts(self.body)) {
+                if (self.alternative) {
+                    var alt = self.alternative;
+                    self.alternative = null;
+                    return make_node(AST_BlockStatement, self, {
+                        body: [ self, alt ]
+                    }).transform(compressor);
+                }
+            }
+            if (aborts(self.alternative)) {
+                var body = self.body;
+                self.body = self.alternative;
+                self.condition = negated_is_best ? negated : self.condition.negate(compressor);
+                self.alternative = null;
+                return make_node(AST_BlockStatement, self, {
+                    body: [ self, body ]
+                }).transform(compressor);
+            }
+            return self;
+        });
+        OPT(AST_Switch, function(self, compressor) {
+            if (self.body.length == 0 && compressor.option("conditionals")) {
+                return make_node(AST_SimpleStatement, self, {
+                    body: self.expression
+                }).transform(compressor);
+            }
+            var last_branch = self.body[self.body.length - 1];
+            if (last_branch) {
+                var stat = last_branch.body[last_branch.body.length - 1];
+                if (stat instanceof AST_Break && loop_body(compressor.loopcontrol_target(stat.label)) === self) last_branch.body.pop();
+            }
+            var exp = self.expression.evaluate(compressor);
+            out: if (exp.length == 2) try {
+                self.expression = exp[0];
+                if (!compressor.option("dead_code")) break out;
+                var value = exp[1];
+                var in_if = false;
+                var in_block = false;
+                var started = false;
+                var stopped = false;
+                var ruined = false;
+                var tt = new TreeTransformer(function(node, descend, in_list) {
+                    if (node instanceof AST_Lambda || node instanceof AST_SimpleStatement) {
+                        return node;
+                    } else if (node instanceof AST_Switch && node === self) {
+                        node = node.clone();
+                        descend(node, this);
+                        return ruined ? node : make_node(AST_BlockStatement, node, {
+                            body: node.body.reduce(function(a, branch) {
+                                return a.concat(branch.body);
+                            }, [])
+                        }).transform(compressor);
+                    } else if (node instanceof AST_If || node instanceof AST_Try) {
+                        var save = in_if;
+                        in_if = !in_block;
+                        descend(node, this);
+                        in_if = save;
+                        return node;
+                    } else if (node instanceof AST_StatementWithBody || node instanceof AST_Switch) {
+                        var save = in_block;
+                        in_block = true;
+                        descend(node, this);
+                        in_block = save;
+                        return node;
+                    } else if (node instanceof AST_Break && this.loopcontrol_target(node.label) === self) {
+                        if (in_if) {
+                            ruined = true;
+                            return node;
+                        }
+                        if (in_block) return node;
+                        stopped = true;
+                        return in_list ? MAP.skip : make_node(AST_EmptyStatement, node);
+                    } else if (node instanceof AST_SwitchBranch && this.parent() === self) {
+                        if (stopped) return MAP.skip;
+                        if (node instanceof AST_Case) {
+                            var exp = node.expression.evaluate(compressor);
+                            if (exp.length < 2) {
+                                throw self;
+                            }
+                            if (exp[1] === value || started) {
+                                started = true;
+                                if (aborts(node)) stopped = true;
+                                descend(node, this);
+                                return node;
+                            }
+                            return MAP.skip;
+                        }
+                        descend(node, this);
+                        return node;
+                    }
+                });
+                tt.stack = compressor.stack.slice();
+                self = self.transform(tt);
+            } catch (ex) {
+                if (ex !== self) throw ex;
+            }
+            return self;
+        });
+        OPT(AST_Case, function(self, compressor) {
+            self.body = tighten_body(self.body, compressor);
+            return self;
+        });
+        OPT(AST_Try, function(self, compressor) {
+            self.body = tighten_body(self.body, compressor);
+            return self;
+        });
+        AST_Definitions.DEFMETHOD("remove_initializers", function() {
+            this.definitions.forEach(function(def) {
+                def.value = null;
+            });
+        });
+        AST_Definitions.DEFMETHOD("to_assignments", function() {
+            var assignments = this.definitions.reduce(function(a, def) {
+                if (def.value) {
+                    var name = make_node(AST_SymbolRef, def.name, def.name);
+                    a.push(make_node(AST_Assign, def, {
+                        operator: "=",
+                        left: name,
+                        right: def.value
+                    }));
+                }
+                return a;
+            }, []);
+            if (assignments.length == 0) return null;
+            return AST_Seq.from_array(assignments);
+        });
+        OPT(AST_Definitions, function(self, compressor) {
+            if (self.definitions.length == 0) return make_node(AST_EmptyStatement, self);
+            return self;
+        });
+        OPT(AST_Function, function(self, compressor) {
+            self = AST_Lambda.prototype.optimize.call(self, compressor);
+            if (compressor.option("unused")) {
+                if (self.name && self.name.unreferenced()) {
+                    self.name = null;
+                }
+            }
+            return self;
+        });
+        OPT(AST_Call, function(self, compressor) {
+            if (compressor.option("unsafe")) {
+                var exp = self.expression;
+                if (exp instanceof AST_SymbolRef && exp.undeclared()) {
+                    switch (exp.name) {
+                      case "Array":
+                        if (self.args.length != 1) {
+                            return make_node(AST_Array, self, {
+                                elements: self.args
+                            });
+                        }
+                        break;
+
+                      case "Object":
+                        if (self.args.length == 0) {
+                            return make_node(AST_Object, self, {
+                                properties: []
+                            });
+                        }
+                        break;
+
+                      case "String":
+                        return make_node(AST_Binary, self, {
+                            left: self.args[0],
+                            operator: "+",
+                            right: make_node(AST_String, self, {
+                                value: ""
+                            })
+                        });
+                    }
+                } else if (exp instanceof AST_Dot && exp.property == "toString" && self.args.length == 0) {
+                    return make_node(AST_Binary, self, {
+                        left: make_node(AST_String, self, {
+                            value: ""
+                        }),
+                        operator: "+",
+                        right: exp.expression
+                    }).transform(compressor);
+                }
+            }
+            if (compressor.option("side_effects")) {
+                if (self.expression instanceof AST_Function && self.args.length == 0 && !AST_Block.prototype.has_side_effects.call(self.expression)) {
+                    return make_node(AST_Undefined, self).transform(compressor);
+                }
+            }
+            return self;
+        });
+        OPT(AST_New, function(self, compressor) {
+            if (compressor.option("unsafe")) {
+                var exp = self.expression;
+                if (exp instanceof AST_SymbolRef && exp.undeclared()) {
+                    switch (exp.name) {
+                      case "Object":
+                      case "RegExp":
+                      case "Function":
+                      case "Error":
+                      case "Array":
+                        return make_node(AST_Call, self, self).transform(compressor);
+                    }
+                }
+            }
+            return self;
+        });
+        OPT(AST_Seq, function(self, compressor) {
+            if (!compressor.option("side_effects")) return self;
+            if (!self.car.has_side_effects()) {
+                var p;
+                if (!(self.cdr instanceof AST_SymbolRef && self.cdr.name == "eval" && self.cdr.undeclared() && (p = compressor.parent()) instanceof AST_Call && p.expression === self)) {
+                    return self.cdr;
+                }
+            }
+            if (compressor.option("cascade")) {
+                if (self.car instanceof AST_Assign && !self.car.left.has_side_effects() && self.car.left.equivalent_to(self.cdr)) {
+                    return self.car;
+                }
+                if (!self.car.has_side_effects() && !self.cdr.has_side_effects() && self.car.equivalent_to(self.cdr)) {
+                    return self.car;
+                }
+            }
+            return self;
+        });
+        AST_Unary.DEFMETHOD("lift_sequences", function(compressor) {
+            if (compressor.option("sequences")) {
+                if (this.expression instanceof AST_Seq) {
+                    var seq = this.expression;
+                    var x = seq.to_array();
+                    this.expression = x.pop();
+                    x.push(this);
+                    seq = AST_Seq.from_array(x).transform(compressor);
+                    return seq;
+                }
+            }
+            return this;
+        });
+        OPT(AST_UnaryPostfix, function(self, compressor) {
+            return self.lift_sequences(compressor);
+        });
+        OPT(AST_UnaryPrefix, function(self, compressor) {
+            self = self.lift_sequences(compressor);
+            var e = self.expression;
+            if (compressor.option("booleans") && compressor.in_boolean_context()) {
+                switch (self.operator) {
+                  case "!":
+                    if (e instanceof AST_UnaryPrefix && e.operator == "!") {
+                        return e.expression;
+                    }
+                    break;
+
+                  case "typeof":
+                    compressor.warn("Boolean expression always true [{file}:{line},{col}]", self.start);
+                    return make_node(AST_True, self);
+                }
+                if (e instanceof AST_Binary && self.operator == "!") {
+                    self = best_of(self, e.negate(compressor));
+                }
+            }
+            return self.evaluate(compressor)[0];
+        });
+        AST_Binary.DEFMETHOD("lift_sequences", function(compressor) {
+            if (compressor.option("sequences")) {
+                if (this.left instanceof AST_Seq) {
+                    var seq = this.left;
+                    var x = seq.to_array();
+                    this.left = x.pop();
+                    x.push(this);
+                    seq = AST_Seq.from_array(x).transform(compressor);
+                    return seq;
+                }
+                if (this.right instanceof AST_Seq && !(this.operator == "||" || this.operator == "&&") && !this.left.has_side_effects()) {
+                    var seq = this.right;
+                    var x = seq.to_array();
+                    this.right = x.pop();
+                    x.push(this);
+                    seq = AST_Seq.from_array(x).transform(compressor);
+                    return seq;
+                }
+            }
+            return this;
+        });
+        var commutativeOperators = makePredicate("== === != !== * & | ^");
+        OPT(AST_Binary, function(self, compressor) {
+            function reverse(op) {
+                if (!(self.left.has_side_effects() && self.right.has_side_effects())) {
+                    if (op) self.operator = op;
+                    var tmp = self.left;
+                    self.left = self.right;
+                    self.right = tmp;
+                }
+            }
+            if (commutativeOperators(self.operator)) {
+                if (self.right instanceof AST_Constant && !(self.left instanceof AST_Constant)) {
+                    reverse();
+                }
+            }
+            self = self.lift_sequences(compressor);
+            if (compressor.option("comparisons")) switch (self.operator) {
+              case "===":
+              case "!==":
+                if (self.left.is_string(compressor) && self.right.is_string(compressor) || self.left.is_boolean() && self.right.is_boolean()) {
+                    self.operator = self.operator.substr(0, 2);
+                }
+
+              case "==":
+              case "!=":
+                if (self.left instanceof AST_String && self.left.value == "undefined" && self.right instanceof AST_UnaryPrefix && self.right.operator == "typeof") {
+                    if (!(self.right.expression instanceof AST_SymbolRef) || !self.right.expression.undeclared()) {
+                        self.left = self.right.expression;
+                        self.right = make_node(AST_Undefined, self.left).optimize(compressor);
+                        if (self.operator.length == 2) self.operator += "=";
+                    }
+                }
+                break;
+            }
+            if (compressor.option("booleans") && compressor.in_boolean_context()) switch (self.operator) {
+              case "&&":
+                var ll = self.left.evaluate(compressor);
+                var rr = self.right.evaluate(compressor);
+                if (ll.length > 1 && !ll[1] || rr.length > 1 && !rr[1]) {
+                    compressor.warn("Boolean && always false [{file}:{line},{col}]", self.start);
+                    return make_node(AST_False, self);
+                }
+                if (ll.length > 1 && ll[1]) {
+                    return rr[0];
+                }
+                if (rr.length > 1 && rr[1]) {
+                    return ll[0];
+                }
+                break;
+
+              case "||":
+                var ll = self.left.evaluate(compressor);
+                var rr = self.right.evaluate(compressor);
+                if (ll.length > 1 && ll[1] || rr.length > 1 && rr[1]) {
+                    compressor.warn("Boolean || always true [{file}:{line},{col}]", self.start);
+                    return make_node(AST_True, self);
+                }
+                if (ll.length > 1 && !ll[1]) {
+                    return rr[0];
+                }
+                if (rr.length > 1 && !rr[1]) {
+                    return ll[0];
+                }
+                break;
+
+              case "+":
+                var ll = self.left.evaluate(compressor);
+                var rr = self.right.evaluate(compressor);
+                if (ll.length > 1 && ll[0] instanceof AST_String && ll[1] || rr.length > 1 && rr[0] instanceof AST_String && rr[1]) {
+                    compressor.warn("+ in boolean context always true [{file}:{line},{col}]", self.start);
+                    return make_node(AST_True, self);
+                }
+                break;
+            }
+            var exp = self.evaluate(compressor);
+            if (exp.length > 1) {
+                if (best_of(exp[0], self) !== self) return exp[0];
+            }
+            if (compressor.option("comparisons")) {
+                if (!(compressor.parent() instanceof AST_Binary) || compressor.parent() instanceof AST_Assign) {
+                    var negated = make_node(AST_UnaryPrefix, self, {
+                        operator: "!",
+                        expression: self.negate(compressor)
+                    });
+                    self = best_of(self, negated);
+                }
+                switch (self.operator) {
+                  case "<":
+                    reverse(">");
+                    break;
+
+                  case "<=":
+                    reverse(">=");
+                    break;
+                }
+            }
+            if (self.operator == "+" && self.right instanceof AST_String && self.right.getValue() === "" && self.left instanceof AST_Binary && self.left.operator == "+" && self.left.is_string(compressor)) {
+                return self.left;
+            }
+            return self;
+        });
+        OPT(AST_SymbolRef, function(self, compressor) {
+            if (self.undeclared()) {
+                var defines = compressor.option("global_defs");
+                if (defines && defines.hasOwnProperty(self.name)) {
+                    return make_node_from_constant(compressor, defines[self.name], self);
+                }
+                switch (self.name) {
+                  case "undefined":
+                    return make_node(AST_Undefined, self);
+
+                  case "NaN":
+                    return make_node(AST_NaN, self);
+
+                  case "Infinity":
+                    return make_node(AST_Infinity, self);
+                }
+            }
+            return self;
+        });
+        OPT(AST_Undefined, function(self, compressor) {
+            if (compressor.option("unsafe")) {
+                var scope = compressor.find_parent(AST_Scope);
+                var undef = scope.find_variable("undefined");
+                if (undef) {
+                    var ref = make_node(AST_SymbolRef, self, {
+                        name: "undefined",
+                        scope: scope,
+                        thedef: undef
+                    });
+                    ref.reference();
+                    return ref;
+                }
+            }
+            return self;
+        });
+        var ASSIGN_OPS = [ "+", "-", "/", "*", "%", ">>", "<<", ">>>", "|", "^", "&" ];
+        OPT(AST_Assign, function(self, compressor) {
+            self = self.lift_sequences(compressor);
+            if (self.operator == "=" && self.left instanceof AST_SymbolRef && self.right instanceof AST_Binary && self.right.left instanceof AST_SymbolRef && self.right.left.name == self.left.name && member(self.right.operator, ASSIGN_OPS)) {
+                self.operator = self.right.operator + "=";
+                self.right = self.right.right;
+            }
+            return self;
+        });
+        OPT(AST_Conditional, function(self, compressor) {
+            if (!compressor.option("conditionals")) return self;
+            if (self.condition instanceof AST_Seq) {
+                var car = self.condition.car;
+                self.condition = self.condition.cdr;
+                return AST_Seq.cons(car, self);
+            }
+            var cond = self.condition.evaluate(compressor);
+            if (cond.length > 1) {
+                if (cond[1]) {
+                    compressor.warn("Condition always true [{file}:{line},{col}]", self.start);
+                    return self.consequent;
+                } else {
+                    compressor.warn("Condition always false [{file}:{line},{col}]", self.start);
+                    return self.alternative;
+                }
+            }
+            var negated = cond[0].negate(compressor);
+            if (best_of(cond[0], negated) === negated) {
+                self = make_node(AST_Conditional, self, {
+                    condition: negated,
+                    consequent: self.alternative,
+                    alternative: self.consequent
+                });
+            }
+            var consequent = self.consequent;
+            var alternative = self.alternative;
+            if (consequent instanceof AST_Assign && alternative instanceof AST_Assign && consequent.operator == alternative.operator && consequent.left.equivalent_to(alternative.left)) {
+                self = make_node(AST_Assign, self, {
+                    operator: consequent.operator,
+                    left: consequent.left,
+                    right: make_node(AST_Conditional, self, {
+                        condition: self.condition,
+                        consequent: consequent.right,
+                        alternative: alternative.right
+                    })
+                });
+            }
+            return self;
+        });
+        OPT(AST_Boolean, function(self, compressor) {
+            if (compressor.option("booleans")) {
+                var p = compressor.parent();
+                if (p instanceof AST_Binary && (p.operator == "==" || p.operator == "!=")) {
+                    compressor.warn("Non-strict equality against boolean: {operator} {value} [{file}:{line},{col}]", {
+                        operator: p.operator,
+                        value: self.value,
+                        file: p.start.file,
+                        line: p.start.line,
+                        col: p.start.col
+                    });
+                    return make_node(AST_Number, self, {
+                        value: +self.value
+                    });
+                }
+                return make_node(AST_UnaryPrefix, self, {
+                    operator: "!",
+                    expression: make_node(AST_Number, self, {
+                        value: 1 - self.value
+                    })
+                });
+            }
+            return self;
+        });
+        OPT(AST_Sub, function(self, compressor) {
+            var prop = self.property;
+            if (prop instanceof AST_String && compressor.option("properties")) {
+                prop = prop.getValue();
+                if (is_identifier(prop)) {
+                    return make_node(AST_Dot, self, {
+                        expression: self.expression,
+                        property: prop
+                    });
+                }
+            }
+            return self;
+        });
+        function literals_in_boolean_context(self, compressor) {
+            if (compressor.option("booleans") && compressor.in_boolean_context()) {
+                return make_node(AST_True, self);
+            }
+            return self;
+        }
+        OPT(AST_Array, literals_in_boolean_context);
+        OPT(AST_Object, literals_in_boolean_context);
+        OPT(AST_RegExp, literals_in_boolean_context);
+    })();
+    "use strict";
+    function SourceMap(options) {
+        options = defaults(options, {
+            file: null,
+            root: null,
+            orig: null
+        });
+        var generator = new MOZ_SourceMap.SourceMapGenerator({
+            file: options.file,
+            sourceRoot: options.root
+        });
+        var orig_map = options.orig && new MOZ_SourceMap.SourceMapConsumer(options.orig);
+        function add(source, gen_line, gen_col, orig_line, orig_col, name) {
+            if (orig_map) {
+                var info = orig_map.originalPositionFor({
+                    line: orig_line,
+                    column: orig_col
+                });
+                source = info.source;
+                orig_line = info.line;
+                orig_col = info.column;
+                name = info.name;
+            }
+            generator.addMapping({
+                generated: {
+                    line: gen_line,
+                    column: gen_col
+                },
+                original: {
+                    line: orig_line,
+                    column: orig_col
+                },
+                source: source,
+                name: name
+            });
+        }
+        return {
+            add: add,
+            get: function() {
+                return generator;
+            },
+            toString: function() {
+                return generator.toString();
+            }
+        };
+    }
+    "use strict";
+    (function() {
+        var MOZ_TO_ME = {
+            TryStatement: function(M) {
+                return new AST_Try({
+                    start: my_start_token(M),
+                    end: my_end_token(M),
+                    body: from_moz(M.block).body,
+                    bcatch: from_moz(M.handlers[0]),
+                    bfinally: M.finalizer ? new AST_Finally(from_moz(M.finalizer)) : null
+                });
+            },
+            CatchClause: function(M) {
+                return new AST_Catch({
+                    start: my_start_token(M),
+                    end: my_end_token(M),
+                    argname: from_moz(M.param),
+                    body: from_moz(M.body).body
+                });
+            },
+            ObjectExpression: function(M) {
+                return new AST_Object({
+                    start: my_start_token(M),
+                    end: my_end_token(M),
+                    properties: M.properties.map(function(prop) {
+                        var key = prop.key;
+                        var name = key.type == "Identifier" ? key.name : key.value;
+                        var args = {
+                            start: my_start_token(key),
+                            end: my_end_token(prop.value),
+                            key: name,
+                            value: from_moz(prop.value)
+                        };
+                        switch (prop.kind) {
+                          case "init":
+                            return new AST_ObjectKeyVal(args);
+
+                          case "set":
+                            args.value.name = from_moz(key);
+                            return new AST_ObjectSetter(args);
+
+                          case "get":
+                            args.value.name = from_moz(key);
+                            return new AST_ObjectGetter(args);
+                        }
+                    })
+                });
+            },
+            SequenceExpression: function(M) {
+                return AST_Seq.from_array(M.expressions.map(from_moz));
+            },
+            MemberExpression: function(M) {
+                return new (M.computed ? AST_Sub : AST_Dot)({
+                    start: my_start_token(M),
+                    end: my_end_token(M),
+                    property: M.computed ? from_moz(M.property) : M.property.name,
+                    expression: from_moz(M.object)
+                });
+            },
+            SwitchCase: function(M) {
+                return new (M.test ? AST_Case : AST_Default)({
+                    start: my_start_token(M),
+                    end: my_end_token(M),
+                    expression: from_moz(M.test),
+                    body: M.consequent.map(from_moz)
+                });
+            },
+            Literal: function(M) {
+                var val = M.value, args = {
+                    start: my_start_token(M),
+                    end: my_end_token(M)
+                };
+                if (val === null) return new AST_Null(args);
+                switch (typeof val) {
+                  case "string":
+                    args.value = val;
+                    return new AST_String(args);
+
+                  case "number":
+                    args.value = val;
+                    return new AST_Number(args);
+
+                  case "boolean":
+                    return new (val ? AST_True : AST_False)(args);
+
+                  default:
+                    args.value = val;
+                    return new AST_RegExp(args);
+                }
+            },
+            UnaryExpression: From_Moz_Unary,
+            UpdateExpression: From_Moz_Unary,
+            Identifier: function(M) {
+                var p = FROM_MOZ_STACK[FROM_MOZ_STACK.length - 2];
+                return new (M.name == "this" ? AST_This : p.type == "LabeledStatement" ? AST_Label : p.type == "VariableDeclarator" && p.id === M ? p.kind == "const" ? AST_SymbolConst : AST_SymbolVar : p.type == "FunctionExpression" ? p.id === M ? AST_SymbolLambda : AST_SymbolFunarg : p.type == "FunctionDeclaration" ? p.id === M ? AST_SymbolDefun : AST_SymbolFunarg : p.type == "CatchClause" ? AST_SymbolCatch : p.type == "BreakStatement" || p.type == "ContinueStatement" ? AST_LabelRef : AST_SymbolRef)({
+                    start: my_start_token(M),
+                    end: my_end_token(M),
+                    name: M.name
+                });
+            }
+        };
+        function From_Moz_Unary(M) {
+            return new (M.prefix ? AST_UnaryPrefix : AST_UnaryPostfix)({
+                start: my_start_token(M),
+                end: my_end_token(M),
+                operator: M.operator,
+                expression: from_moz(M.argument)
+            });
+        }
+        var ME_TO_MOZ = {};
+        map("Node", AST_Node);
+        map("Program", AST_Toplevel, "body@body");
+        map("Function", AST_Function, "id>name, params@argnames, body%body");
+        map("EmptyStatement", AST_EmptyStatement);
+        map("BlockStatement", AST_BlockStatement, "body@body");
+        map("ExpressionStatement", AST_SimpleStatement, "expression>body");
+        map("IfStatement", AST_If, "test>condition, consequent>body, alternate>alternative");
+        map("LabeledStatement", AST_LabeledStatement, "label>label, body>body");
+        map("BreakStatement", AST_Break, "label>label");
+        map("ContinueStatement", AST_Continue, "label>label");
+        map("WithStatement", AST_With, "object>expression, body>body");
+        map("SwitchStatement", AST_Switch, "discriminant>expression, cases@body");
+        map("ReturnStatement", AST_Return, "argument>value");
+        map("ThrowStatement", AST_Throw, "argument>value");
+        map("WhileStatement", AST_While, "test>condition, body>body");
+        map("DoWhileStatement", AST_Do, "test>condition, body>body");
+        map("ForStatement", AST_For, "init>init, test>condition, update>step, body>body");
+        map("ForInStatement", AST_ForIn, "left>init, right>object, body>body");
+        map("DebuggerStatement", AST_Debugger);
+        map("FunctionDeclaration", AST_Defun, "id>name, params@argnames, body%body");
+        map("VariableDeclaration", AST_Var, "declarations@definitions");
+        map("VariableDeclarator", AST_VarDef, "id>name, init>value");
+        map("ThisExpression", AST_This);
+        map("ArrayExpression", AST_Array, "elements@elements");
+        map("FunctionExpression", AST_Function, "id>name, params@argnames, body%body");
+        map("BinaryExpression", AST_Binary, "operator=operator, left>left, right>right");
+        map("AssignmentExpression", AST_Assign, "operator=operator, left>left, right>right");
+        map("LogicalExpression", AST_Binary, "operator=operator, left>left, right>right");
+        map("ConditionalExpression", AST_Conditional, "test>condition, consequent>consequent, alternate>alternative");
+        map("NewExpression", AST_New, "callee>expression, arguments@args");
+        map("CallExpression", AST_Call, "callee>expression, arguments@args");
+        function my_start_token(moznode) {
+            return new AST_Token({
+                file: moznode.loc && moznode.loc.source,
+                line: moznode.loc && moznode.loc.start.line,
+                col: moznode.loc && moznode.loc.start.column,
+                pos: moznode.start,
+                endpos: moznode.start
+            });
+        }
+        function my_end_token(moznode) {
+            return new AST_Token({
+                file: moznode.loc && moznode.loc.source,
+                line: moznode.loc && moznode.loc.end.line,
+                col: moznode.loc && moznode.loc.end.column,
+                pos: moznode.end,
+                endpos: moznode.end
+            });
+        }
+        function map(moztype, mytype, propmap) {
+            var moz_to_me = "function From_Moz_" + moztype + "(M){\n";
+            moz_to_me += "return new mytype({\n" + "start: my_start_token(M),\n" + "end: my_end_token(M)";
+            if (propmap) propmap.split(/\s*,\s*/).forEach(function(prop) {
+                var m = /([a-z0-9$_]+)(=|@|>|%)([a-z0-9$_]+)/i.exec(prop);
+                if (!m) throw new Error("Can't understand property map: " + prop);
+                var moz = "M." + m[1], how = m[2], my = m[3];
+                moz_to_me += ",\n" + my + ": ";
+                if (how == "@") {
+                    moz_to_me += moz + ".map(from_moz)";
+                } else if (how == ">") {
+                    moz_to_me += "from_moz(" + moz + ")";
+                } else if (how == "=") {
+                    moz_to_me += moz;
+                } else if (how == "%") {
+                    moz_to_me += "from_moz(" + moz + ").body";
+                } else throw new Error("Can't understand operator in propmap: " + prop);
+            });
+            moz_to_me += "\n})}";
+            moz_to_me = new Function("mytype", "my_start_token", "my_end_token", "from_moz", "return(" + moz_to_me + ")")(mytype, my_start_token, my_end_token, from_moz);
+            return MOZ_TO_ME[moztype] = moz_to_me;
+        }
+        var FROM_MOZ_STACK = null;
+        function from_moz(node) {
+            FROM_MOZ_STACK.push(node);
+            var ret = node != null ? MOZ_TO_ME[node.type](node) : null;
+            FROM_MOZ_STACK.pop();
+            return ret;
+        }
+        AST_Node.from_mozilla_ast = function(node) {
+            var save_stack = FROM_MOZ_STACK;
+            FROM_MOZ_STACK = [];
+            var ast = from_moz(node);
+            FROM_MOZ_STACK = save_stack;
+            return ast;
+        };
+    })();
+    exports["array_to_hash"] = array_to_hash;
+    exports["slice"] = slice;
+    exports["characters"] = characters;
+    exports["member"] = member;
+    exports["find_if"] = find_if;
+    exports["repeat_string"] = repeat_string;
+    exports["DefaultsError"] = DefaultsError;
+    exports["defaults"] = defaults;
+    exports["merge"] = merge;
+    exports["noop"] = noop;
+    exports["MAP"] = MAP;
+    exports["push_uniq"] = push_uniq;
+    exports["string_template"] = string_template;
+    exports["remove"] = remove;
+    exports["mergeSort"] = mergeSort;
+    exports["set_difference"] = set_difference;
+    exports["set_intersection"] = set_intersection;
+    exports["makePredicate"] = makePredicate;
+    exports["Dictionary"] = Dictionary;
+    exports["DEFNODE"] = DEFNODE;
+    exports["AST_Token"] = AST_Token;
+    exports["AST_Node"] = AST_Node;
+    exports["AST_Statement"] = AST_Statement;
+    exports["AST_Debugger"] = AST_Debugger;
+    exports["AST_Directive"] = AST_Directive;
+    exports["AST_SimpleStatement"] = AST_SimpleStatement;
+    exports["walk_body"] = walk_body;
+    exports["AST_Block"] = AST_Block;
+    exports["AST_BlockStatement"] = AST_BlockStatement;
+    exports["AST_EmptyStatement"] = AST_EmptyStatement;
+    exports["AST_StatementWithBody"] = AST_StatementWithBody;
+    exports["AST_LabeledStatement"] = AST_LabeledStatement;
+    exports["AST_DWLoop"] = AST_DWLoop;
+    exports["AST_Do"] = AST_Do;
+    exports["AST_While"] = AST_While;
+    exports["AST_For"] = AST_For;
+    exports["AST_ForIn"] = AST_ForIn;
+    exports["AST_With"] = AST_With;
+    exports["AST_Scope"] = AST_Scope;
+    exports["AST_Toplevel"] = AST_Toplevel;
+    exports["AST_Lambda"] = AST_Lambda;
+    exports["AST_Accessor"] = AST_Accessor;
+    exports["AST_Function"] = AST_Function;
+    exports["AST_Defun"] = AST_Defun;
+    exports["AST_Jump"] = AST_Jump;
+    exports["AST_Exit"] = AST_Exit;
+    exports["AST_Return"] = AST_Return;
+    exports["AST_Throw"] = AST_Throw;
+    exports["AST_LoopControl"] = AST_LoopControl;
+    exports["AST_Break"] = AST_Break;
+    exports["AST_Continue"] = AST_Continue;
+    exports["AST_If"] = AST_If;
+    exports["AST_Switch"] = AST_Switch;
+    exports["AST_SwitchBranch"] = AST_SwitchBranch;
+    exports["AST_Default"] = AST_Default;
+    exports["AST_Case"] = AST_Case;
+    exports["AST_Try"] = AST_Try;
+    exports["AST_Catch"] = AST_Catch;
+    exports["AST_Finally"] = AST_Finally;
+    exports["AST_Definitions"] = AST_Definitions;
+    exports["AST_Var"] = AST_Var;
+    exports["AST_Const"] = AST_Const;
+    exports["AST_VarDef"] = AST_VarDef;
+    exports["AST_Call"] = AST_Call;
+    exports["AST_New"] = AST_New;
+    exports["AST_Seq"] = AST_Seq;
+    exports["AST_PropAccess"] = AST_PropAccess;
+    exports["AST_Dot"] = AST_Dot;
+    exports["AST_Sub"] = AST_Sub;
+    exports["AST_Unary"] = AST_Unary;
+    exports["AST_UnaryPrefix"] = AST_UnaryPrefix;
+    exports["AST_UnaryPostfix"] = AST_UnaryPostfix;
+    exports["AST_Binary"] = AST_Binary;
+    exports["AST_Conditional"] = AST_Conditional;
+    exports["AST_Assign"] = AST_Assign;
+    exports["AST_Array"] = AST_Array;
+    exports["AST_Object"] = AST_Object;
+    exports["AST_ObjectProperty"] = AST_ObjectProperty;
+    exports["AST_ObjectKeyVal"] = AST_ObjectKeyVal;
+    exports["AST_ObjectSetter"] = AST_ObjectSetter;
+    exports["AST_ObjectGetter"] = AST_ObjectGetter;
+    exports["AST_Symbol"] = AST_Symbol;
+    exports["AST_SymbolAccessor"] = AST_SymbolAccessor;
+    exports["AST_SymbolDeclaration"] = AST_SymbolDeclaration;
+    exports["AST_SymbolVar"] = AST_SymbolVar;
+    exports["AST_SymbolConst"] = AST_SymbolConst;
+    exports["AST_SymbolFunarg"] = AST_SymbolFunarg;
+    exports["AST_SymbolDefun"] = AST_SymbolDefun;
+    exports["AST_SymbolLambda"] = AST_SymbolLambda;
+    exports["AST_SymbolCatch"] = AST_SymbolCatch;
+    exports["AST_Label"] = AST_Label;
+    exports["AST_SymbolRef"] = AST_SymbolRef;
+    exports["AST_LabelRef"] = AST_LabelRef;
+    exports["AST_This"] = AST_This;
+    exports["AST_Constant"] = AST_Constant;
+    exports["AST_String"] = AST_String;
+    exports["AST_Number"] = AST_Number;
+    exports["AST_RegExp"] = AST_RegExp;
+    exports["AST_Atom"] = AST_Atom;
+    exports["AST_Null"] = AST_Null;
+    exports["AST_NaN"] = AST_NaN;
+    exports["AST_Undefined"] = AST_Undefined;
+    exports["AST_Infinity"] = AST_Infinity;
+    exports["AST_Boolean"] = AST_Boolean;
+    exports["AST_False"] = AST_False;
+    exports["AST_True"] = AST_True;
+    exports["TreeWalker"] = TreeWalker;
+    exports["KEYWORDS"] = KEYWORDS;
+    exports["KEYWORDS_ATOM"] = KEYWORDS_ATOM;
+    exports["RESERVED_WORDS"] = RESERVED_WORDS;
+    exports["KEYWORDS_BEFORE_EXPRESSION"] = KEYWORDS_BEFORE_EXPRESSION;
+    exports["OPERATOR_CHARS"] = OPERATOR_CHARS;
+    exports["RE_HEX_NUMBER"] = RE_HEX_NUMBER;
+    exports["RE_OCT_NUMBER"] = RE_OCT_NUMBER;
+    exports["RE_DEC_NUMBER"] = RE_DEC_NUMBER;
+    exports["OPERATORS"] = OPERATORS;
+    exports["WHITESPACE_CHARS"] = WHITESPACE_CHARS;
+    exports["PUNC_BEFORE_EXPRESSION"] = PUNC_BEFORE_EXPRESSION;
+    exports["PUNC_CHARS"] = PUNC_CHARS;
+    exports["REGEXP_MODIFIERS"] = REGEXP_MODIFIERS;
+    exports["UNICODE"] = UNICODE;
+    exports["is_letter"] = is_letter;
+    exports["is_digit"] = is_digit;
+    exports["is_alphanumeric_char"] = is_alphanumeric_char;
+    exports["is_unicode_combining_mark"] = is_unicode_combining_mark;
+    exports["is_unicode_connector_punctuation"] = is_unicode_connector_punctuation;
+    exports["is_identifier"] = is_identifier;
+    exports["is_identifier_start"] = is_identifier_start;
+    exports["is_identifier_char"] = is_identifier_char;
+    exports["parse_js_number"] = parse_js_number;
+    exports["JS_Parse_Error"] = JS_Parse_Error;
+    exports["js_error"] = js_error;
+    exports["is_token"] = is_token;
+    exports["EX_EOF"] = EX_EOF;
+    exports["tokenizer"] = tokenizer;
+    exports["UNARY_PREFIX"] = UNARY_PREFIX;
+    exports["UNARY_POSTFIX"] = UNARY_POSTFIX;
+    exports["ASSIGNMENT"] = ASSIGNMENT;
+    exports["PRECEDENCE"] = PRECEDENCE;
+    exports["STATEMENTS_WITH_LABELS"] = STATEMENTS_WITH_LABELS;
+    exports["ATOMIC_START_TOKEN"] = ATOMIC_START_TOKEN;
+    exports["parse"] = parse;
+    exports["TreeTransformer"] = TreeTransformer;
+    exports["SymbolDef"] = SymbolDef;
+    exports["base54"] = base54;
+    exports["OutputStream"] = OutputStream;
+    exports["Compressor"] = Compressor;
+    exports["SourceMap"] = SourceMap;
+})({}, function() {
+    return exports;
+}());
+
+var UglifyJS = exports.UglifyJS;
+
+UglifyJS.AST_Node.warn_function = function(txt) {
+    logger.error("uglifyjs2 WARN: " + txt);
+};
+
+//JRB: MODIFIED FROM UGLIFY SOURCE
+//to take a name for the file, and then set toplevel.filename to be that name.
+exports.minify = function(files, options, name) {
+    options = UglifyJS.defaults(options, {
+        outSourceMap : null,
+        sourceRoot   : null,
+        inSourceMap  : null,
+        fromString   : false,
+        warnings     : false,
+        mangle       : {},
+        output       : null,
+        compress     : {}
+    });
+    if (typeof files == "string")
+        files = [ files ];
+
+    // 1. parse
+    var toplevel = null;
+    files.forEach(function(file){
+        var code = options.fromString
+            ? file
+            : fs.readFileSync(file, "utf8");
+        toplevel = UglifyJS.parse(code, {
+            filename: options.fromString ? name : file,
+            toplevel: toplevel
+        });
+    });
+
+    // 2. compress
+    if (options.compress) {
+        var compress = { warnings: options.warnings };
+        UglifyJS.merge(compress, options.compress);
+        toplevel.figure_out_scope();
+        var sq = UglifyJS.Compressor(compress);
+        toplevel = toplevel.transform(sq);
+    }
+
+    // 3. mangle
+    if (options.mangle) {
+        toplevel.figure_out_scope();
+        toplevel.compute_char_frequency();
+        toplevel.mangle_names(options.mangle);
+    }
+
+    // 4. output
+    var map = null;
+    var inMap = null;
+    if (options.inSourceMap) {
+        inMap = fs.readFileSync(options.inSourceMap, "utf8");
+    }
+    if (options.outSourceMap) map = UglifyJS.SourceMap({
+        file: options.outSourceMap,
+        orig: inMap,
+        root: options.sourceRoot
+    });
+    var output = { source_map: map };
+    if (options.output) {
+        UglifyJS.merge(output, options.output);
+    }
+    var stream = UglifyJS.OutputStream(output);
+    toplevel.print(stream);
+    return {
+        code : stream + "",
+        map  : map + ""
+    };
+};
+
+// exports.describe_ast = function() {
+//     function doitem(ctor) {
+//         var sub = {};
+//         ctor.SUBCLASSES.forEach(function(ctor){
+//             sub[ctor.TYPE] = doitem(ctor);
+//         });
+//         var ret = {};
+//         if (ctor.SELF_PROPS.length > 0) ret.props = ctor.SELF_PROPS;
+//         if (ctor.SUBCLASSES.length > 0) ret.sub = sub;
+//         return ret;
+//     }
+//     return doitem(UglifyJS.AST_Node).sub;
+// }
+
+exports.describe_ast = function() {
+    var out = UglifyJS.OutputStream({ beautify: true });
+    function doitem(ctor) {
+        out.print("AST_" + ctor.TYPE);
+        var props = ctor.SELF_PROPS.filter(function(prop){
+            return !/^\$/.test(prop);
+        });
+        if (props.length > 0) {
+            out.space();
+            out.with_parens(function(){
+                props.forEach(function(prop, i){
+                    if (i) out.space();
+                    out.print(prop);
+                });
+            });
+        }
+        if (ctor.documentation) {
+            out.space();
+            out.print_string(ctor.documentation);
+        }
+        if (ctor.SUBCLASSES.length > 0) {
+            out.space();
+            out.with_block(function(){
+                ctor.SUBCLASSES.forEach(function(ctor, i){
+                    out.indent();
+                    doitem(ctor);
+                    out.newline();
+                });
+            });
+        }
+    };
+    doitem(UglifyJS.AST_Node);
+    return out + "";
+};
+
+});
+/**
+ * @license Copyright (c) 2010-2011, The Dojo Foundation All Rights Reserved.
+ * Available via the MIT or new BSD license.
+ * see: http://github.com/jrburke/requirejs for details
+ */
+
+/*jslint plusplus: true */
+/*global define: false */
+
+define('parse', ['./esprima'], function (esprima) {
+    'use strict';
+
+    //This string is saved off because JSLint complains
+    //about obj.arguments use, as 'reserved word'
+    var argPropName = 'arguments';
+
+    //From an esprima example for traversing its ast.
+    function traverse(object, visitor) {
+        var key, child;
+
+        if (!object) {
+            return;
+        }
+
+        if (visitor.call(null, object) === false) {
+            return false;
+        }
+        for (key in object) {
+            if (object.hasOwnProperty(key)) {
+                child = object[key];
+                if (typeof child === 'object' && child !== null) {
+                    if (traverse(child, visitor) === false) {
+                        return false;
+                    }
+                }
+            }
+        }
+    }
+
+
+    /**
+     * Pulls out dependencies from an array literal with just string members.
+     * If string literals, will just return those string values in an array,
+     * skipping other items in the array.
+     *
+     * @param {Node} node an AST node.
+     *
+     * @returns {Array} an array of strings.
+     * If null is returned, then it means the input node was not a valid
+     * dependency.
+     */
+    function getValidDeps(node) {
+        if (!node || node.type !== 'ArrayExpression' || !node.elements) {
+            return;
+        }
+
+        var deps = [];
+
+        node.elements.some(function (elem) {
+            if (elem.type === 'Literal') {
+                deps.push(elem.value);
+            }
+        });
+
+        return deps.length ? deps : undefined;
+    }
+
+    /**
+     * Main parse function. Returns a string of any valid require or
+     * define/require.def calls as part of one JavaScript source string.
+     * @param {String} moduleName the module name that represents this file.
+     * It is used to create a default define if there is not one already for the
+     * file. This allows properly tracing dependencies for builds. Otherwise, if
+     * the file just has a require() call, the file dependencies will not be
+     * properly reflected: the file will come before its dependencies.
+     * @param {String} moduleName
+     * @param {String} fileName
+     * @param {String} fileContents
+     * @param {Object} options optional options. insertNeedsDefine: true will
+     * add calls to require.needsDefine() if appropriate.
+     * @returns {String} JS source string or null, if no require or
+     * define/require.def calls are found.
+     */
+    function parse(moduleName, fileName, fileContents, options) {
+        options = options || {};
+
+        //Set up source input
+        var i, moduleCall, depString,
+            moduleDeps = [],
+            result = '',
+            moduleList = [],
+            needsDefine = true,
+            astRoot = esprima.parse(fileContents);
+
+        parse.recurse(astRoot, function (callName, config, name, deps) {
+            if (!deps) {
+                deps = [];
+            }
+
+            if (callName === 'define' && (!name || name === moduleName)) {
+                needsDefine = false;
+            }
+
+            if (!name) {
+                //If there is no module name, the dependencies are for
+                //this file/default module name.
+                moduleDeps = moduleDeps.concat(deps);
+            } else {
+                moduleList.push({
+                    name: name,
+                    deps: deps
+                });
+            }
+
+            //If define was found, no need to dive deeper, unless
+            //the config explicitly wants to dig deeper.
+            return !!options.findNestedDependencies;
+        }, options);
+
+        if (options.insertNeedsDefine && needsDefine) {
+            result += 'require.needsDefine("' + moduleName + '");';
+        }
+
+        if (moduleDeps.length || moduleList.length) {
+            for (i = 0; i < moduleList.length; i++) {
+                moduleCall = moduleList[i];
+                if (result) {
+                    result += '\n';
+                }
+
+                //If this is the main module for this file, combine any
+                //"anonymous" dependencies (could come from a nested require
+                //call) with this module.
+                if (moduleCall.name === moduleName) {
+                    moduleCall.deps = moduleCall.deps.concat(moduleDeps);
+                    moduleDeps = [];
+                }
+
+                depString = moduleCall.deps.length ? '["' +
+                            moduleCall.deps.join('","') + '"]' : '[]';
+                result += 'define("' + moduleCall.name + '",' +
+                          depString + ');';
+            }
+            if (moduleDeps.length) {
+                if (result) {
+                    result += '\n';
+                }
+                depString = moduleDeps.length ? '["' + moduleDeps.join('","') +
+                            '"]' : '[]';
+                result += 'define("' + moduleName + '",' + depString + ');';
+            }
+        }
+
+        return result || null;
+    }
+
+    /**
+     * Handles parsing a file recursively for require calls.
+     * @param {Array} parentNode the AST node to start with.
+     * @param {Function} onMatch function to call on a parse match.
+     * @param {Object} [options] This is normally the build config options if
+     * it is passed.
+     */
+    parse.recurse = function (object, onMatch, options) {
+        //Like traverse, but skips if branches that would not be processed
+        //after has application that results in tests of true or false boolean
+        //literal values.
+        var key, child,
+            hasHas = options && options.has;
+
+        if (!object) {
+            return;
+        }
+
+        //If has replacement has resulted in if(true){} or if(false){}, take
+        //the appropriate branch and skip the other one.
+        if (hasHas && object.type === 'IfStatement' && object.test.type &&
+                object.test.type === 'Literal') {
+            if (object.test.value) {
+                //Take the if branch
+                this.recurse(object.consequent, onMatch, options);
+            } else {
+                //Take the else branch
+                this.recurse(object.alternate, onMatch, options);
+            }
+        } else {
+            if (this.parseNode(object, onMatch) === false) {
+                return;
+            }
+            for (key in object) {
+                if (object.hasOwnProperty(key)) {
+                    child = object[key];
+                    if (typeof child === 'object' && child !== null) {
+                        this.recurse(child, onMatch, options);
+                    }
+                }
+            }
+        }
+    };
+
+    /**
+     * Determines if the file defines the require/define module API.
+     * Specifically, it looks for the `define.amd = ` expression.
+     * @param {String} fileName
+     * @param {String} fileContents
+     * @returns {Boolean}
+     */
+    parse.definesRequire = function (fileName, fileContents) {
+        var found = false;
+
+        traverse(esprima.parse(fileContents), function (node) {
+            if (parse.hasDefineAmd(node)) {
+                found = true;
+
+                //Stop traversal
+                return false;
+            }
+        });
+
+        return found;
+    };
+
+    /**
+     * Finds require("") calls inside a CommonJS anonymous module wrapped in a
+     * define(function(require, exports, module){}) wrapper. These dependencies
+     * will be added to a modified define() call that lists the dependencies
+     * on the outside of the function.
+     * @param {String} fileName
+     * @param {String} fileContents
+     * @returns {Array} an array of module names that are dependencies. Always
+     * returns an array, but could be of length zero.
+     */
+    parse.getAnonDeps = function (fileName, fileContents) {
+        var astRoot = esprima.parse(fileContents),
+            defFunc = this.findAnonDefineFactory(astRoot);
+
+        return parse.getAnonDepsFromNode(defFunc);
+    };
+
+    /**
+     * Finds require("") calls inside a CommonJS anonymous module wrapped
+     * in a define function, given an AST node for the definition function.
+     * @param {Node} node the AST node for the definition function.
+     * @returns {Array} and array of dependency names. Can be of zero length.
+     */
+    parse.getAnonDepsFromNode = function (node) {
+        var deps = [],
+            funcArgLength;
+
+        if (node) {
+            this.findRequireDepNames(node, deps);
+
+            //If no deps, still add the standard CommonJS require, exports,
+            //module, in that order, to the deps, but only if specified as
+            //function args. In particular, if exports is used, it is favored
+            //over the return value of the function, so only add it if asked.
+            funcArgLength = node.params && node.params.length;
+            if (funcArgLength) {
+                deps = (funcArgLength > 1 ? ["require", "exports", "module"] :
+                        ["require"]).concat(deps);
+            }
+        }
+        return deps;
+    };
+
+    /**
+     * Finds the function in define(function (require, exports, module){});
+     * @param {Array} node
+     * @returns {Boolean}
+     */
+    parse.findAnonDefineFactory = function (node) {
+        var match;
+
+        traverse(node, function (node) {
+            var arg0, arg1;
+
+            if (node && node.type === 'CallExpression' &&
+                    node.callee && node.callee.type === 'Identifier' &&
+                    node.callee.name === 'define' && node[argPropName]) {
+
+                //Just the factory function passed to define
+                arg0 = node[argPropName][0];
+                if (arg0 && arg0.type === 'FunctionExpression') {
+                    match = arg0;
+                    return false;
+                }
+
+                //A string literal module ID followed by the factory function.
+                arg1 = node[argPropName][1];
+                if (arg0.type === 'Literal' &&
+                        arg1 && arg1.type === 'FunctionExpression') {
+                    match = arg1;
+                    return false;
+                }
+            }
+        });
+
+        return match;
+    };
+
+    /**
+     * Finds any config that is passed to requirejs. That includes calls to
+     * require/requirejs.config(), as well as require({}, ...) and
+     * requirejs({}, ...)
+     * @param {String} fileContents
+     *
+     * @returns {Object} a config details object with the following properties:
+     * - config: {Object} the config object found. Can be undefined if no
+     * config found.
+     * - range: {Array} the start index and end index in the contents where
+     * the config was found. Can be undefined if no config found.
+     * Can throw an error if the config in the file cannot be evaluated in
+     * a build context to valid JavaScript.
+     */
+    parse.findConfig = function (fileContents) {
+        /*jslint evil: true */
+        var jsConfig, foundRange, foundConfig,
+            astRoot = esprima.parse(fileContents, {
+                range: true
+            });
+
+        traverse(astRoot, function (node) {
+            var arg,
+                requireType = parse.hasRequire(node);
+
+            if (requireType && (requireType === 'require' ||
+                    requireType === 'requirejs' ||
+                    requireType === 'requireConfig' ||
+                    requireType === 'requirejsConfig')) {
+
+                arg = node[argPropName] && node[argPropName][0];
+
+                if (arg && arg.type === 'ObjectExpression') {
+                    jsConfig = parse.nodeToString(fileContents, arg);
+                    foundRange = arg.range;
+                    return false;
+                }
+            } else {
+                arg = parse.getRequireObjectLiteral(node);
+                if (arg) {
+                    jsConfig = parse.nodeToString(fileContents, arg);
+                    foundRange = arg.range;
+                    return false;
+                }
+            }
+        });
+
+        if (jsConfig) {
+            foundConfig = eval('(' + jsConfig + ')');
+        }
+
+        return {
+            config: foundConfig,
+            range: foundRange
+        };
+    };
+
+    /** Returns the node for the object literal assigned to require/requirejs,
+     * for holding a declarative config.
+     */
+    parse.getRequireObjectLiteral = function (node) {
+        if (node.id && node.id.type === 'Identifier' &&
+                (node.id.name === 'require' || node.id.name === 'requirejs') &&
+                node.init && node.init.type === 'ObjectExpression') {
+            return node.init;
+        }
+    };
+
+    /**
+     * Renames require/requirejs/define calls to be ns + '.' + require/requirejs/define
+     * Does *not* do .config calls though. See pragma.namespace for the complete
+     * set of namespace transforms. This function is used because require calls
+     * inside a define() call should not be renamed, so a simple regexp is not
+     * good enough.
+     * @param  {String} fileContents the contents to transform.
+     * @param  {String} ns the namespace, *not* including trailing dot.
+     * @return {String} the fileContents with the namespace applied
+     */
+    parse.renameNamespace = function (fileContents, ns) {
+        var ranges = [],
+            astRoot = esprima.parse(fileContents, {
+                range: true
+            });
+
+        parse.recurse(astRoot, function (callName, config, name, deps, node) {
+            ranges.push(node.range);
+            //Do not recurse into define functions, they should be using
+            //local defines.
+            return callName !== 'define';
+        }, {});
+
+        //Go backwards through the found ranges, adding in the namespace name
+        //in front.
+        ranges.reverse();
+        ranges.forEach(function (range) {
+            fileContents = fileContents.substring(0, range[0]) +
+                           ns + '.' +
+                           fileContents.substring(range[0]);
+        });
+
+        return fileContents;
+    };
+
+    /**
+     * Finds all dependencies specified in dependency arrays and inside
+     * simplified commonjs wrappers.
+     * @param {String} fileName
+     * @param {String} fileContents
+     *
+     * @returns {Array} an array of dependency strings. The dependencies
+     * have not been normalized, they may be relative IDs.
+     */
+    parse.findDependencies = function (fileName, fileContents, options) {
+        var dependencies = [],
+            astRoot = esprima.parse(fileContents);
+
+        parse.recurse(astRoot, function (callName, config, name, deps) {
+            if (deps) {
+                dependencies = dependencies.concat(deps);
+            }
+        }, options);
+
+        return dependencies;
+    };
+
+    /**
+     * Finds only CJS dependencies, ones that are the form
+     * require('stringLiteral')
+     */
+    parse.findCjsDependencies = function (fileName, fileContents) {
+        var dependencies = [];
+
+        traverse(esprima.parse(fileContents), function (node) {
+            var arg;
+
+            if (node && node.type === 'CallExpression' && node.callee &&
+                    node.callee.type === 'Identifier' &&
+                    node.callee.name === 'require' && node[argPropName] &&
+                    node[argPropName].length === 1) {
+                arg = node[argPropName][0];
+                if (arg.type === 'Literal') {
+                    dependencies.push(arg.value);
+                }
+            }
+        });
+
+        return dependencies;
+    };
+
+    //function define() {}
+    parse.hasDefDefine = function (node) {
+        return node.type === 'FunctionDeclaration' && node.id &&
+                    node.id.type === 'Identifier' && node.id.name === 'define';
+    };
+
+    //define.amd = ...
+    parse.hasDefineAmd = function (node) {
+        return node && node.type === 'AssignmentExpression' &&
+            node.left && node.left.type === 'MemberExpression' &&
+            node.left.object && node.left.object.name === 'define' &&
+            node.left.property && node.left.property.name === 'amd';
+    };
+
+    //require(), requirejs(), require.config() and requirejs.config()
+    parse.hasRequire = function (node) {
+        var callName,
+            c = node && node.callee;
+
+        if (node && node.type === 'CallExpression' && c) {
+            if (c.type === 'Identifier' &&
+                    (c.name === 'require' ||
+                    c.name === 'requirejs')) {
+                //A require/requirejs({}, ...) call
+                callName = c.name;
+            } else if (c.type === 'MemberExpression' &&
+                    c.object &&
+                    c.object.type === 'Identifier' &&
+                    (c.object.name === 'require' ||
+                        c.object.name === 'requirejs') &&
+                    c.property && c.property.name === 'config') {
+                // require/requirejs.config({}) call
+                callName = c.object.name + 'Config';
+            }
+        }
+
+        return callName;
+    };
+
+    //define()
+    parse.hasDefine = function (node) {
+        return node && node.type === 'CallExpression' && node.callee &&
+            node.callee.type === 'Identifier' &&
+            node.callee.name === 'define';
+    };
+
+    /**
+     * If there is a named define in the file, returns the name. Does not
+     * scan for mulitple names, just the first one.
+     */
+    parse.getNamedDefine = function (fileContents) {
+        var name;
+        traverse(esprima.parse(fileContents), function (node) {
+            if (node && node.type === 'CallExpression' && node.callee &&
+            node.callee.type === 'Identifier' &&
+            node.callee.name === 'define' &&
+            node[argPropName] && node[argPropName][0] &&
+            node[argPropName][0].type === 'Literal') {
+                name = node[argPropName][0].value;
+                return false;
+            }
+        });
+
+        return name;
+    };
+
+    /**
+     * Determines if define(), require({}|[]) or requirejs was called in the
+     * file. Also finds out if define() is declared and if define.amd is called.
+     */
+    parse.usesAmdOrRequireJs = function (fileName, fileContents) {
+        var uses;
+
+        traverse(esprima.parse(fileContents), function (node) {
+            var type, callName, arg;
+
+            if (parse.hasDefDefine(node)) {
+                //function define() {}
+                type = 'declaresDefine';
+            } else if (parse.hasDefineAmd(node)) {
+                type = 'defineAmd';
+            } else {
+                callName = parse.hasRequire(node);
+                if (callName) {
+                    arg = node[argPropName] && node[argPropName][0];
+                    if (arg && (arg.type === 'ObjectExpression' ||
+                            arg.type === 'ArrayExpression')) {
+                        type = callName;
+                    }
+                } else if (parse.hasDefine(node)) {
+                    type = 'define';
+                }
+            }
+
+            if (type) {
+                if (!uses) {
+                    uses = {};
+                }
+                uses[type] = true;
+            }
+        });
+
+        return uses;
+    };
+
+    /**
+     * Determines if require(''), exports.x =, module.exports =,
+     * __dirname, __filename are used. So, not strictly traditional CommonJS,
+     * also checks for Node variants.
+     */
+    parse.usesCommonJs = function (fileName, fileContents) {
+        var uses = null,
+            assignsExports = false;
+
+
+        traverse(esprima.parse(fileContents), function (node) {
+            var type,
+                exp = node.expression;
+
+            if (node.type === 'Identifier' &&
+                    (node.name === '__dirname' || node.name === '__filename')) {
+                type = node.name.substring(2);
+            } else if (node.type === 'VariableDeclarator' && node.id &&
+                    node.id.type === 'Identifier' &&
+                        node.id.name === 'exports') {
+                //Hmm, a variable assignment for exports, so does not use cjs
+                //exports.
+                type = 'varExports';
+            } else if (exp && exp.type === 'AssignmentExpression' && exp.left &&
+                    exp.left.type === 'MemberExpression' && exp.left.object) {
+                if (exp.left.object.name === 'module' && exp.left.property &&
+                        exp.left.property.name === 'exports') {
+                    type = 'moduleExports';
+                } else if (exp.left.object.name === 'exports' &&
+                        exp.left.property) {
+                    type = 'exports';
+                }
+
+            } else if (node && node.type === 'CallExpression' && node.callee &&
+                    node.callee.type === 'Identifier' &&
+                    node.callee.name === 'require' && node[argPropName] &&
+                    node[argPropName].length === 1 &&
+                    node[argPropName][0].type === 'Literal') {
+                type = 'require';
+            }
+
+            if (type) {
+                if (type === 'varExports') {
+                    assignsExports = true;
+                } else if (type !== 'exports' || !assignsExports) {
+                    if (!uses) {
+                        uses = {};
+                    }
+                    uses[type] = true;
+                }
+            }
+        });
+
+        return uses;
+    };
+
+
+    parse.findRequireDepNames = function (node, deps) {
+        traverse(node, function (node) {
+            var arg;
+
+            if (node && node.type === 'CallExpression' && node.callee &&
+                    node.callee.type === 'Identifier' &&
+                    node.callee.name === 'require' &&
+                    node[argPropName] && node[argPropName].length === 1) {
+
+                arg = node[argPropName][0];
+                if (arg.type === 'Literal') {
+                    deps.push(arg.value);
+                }
+            }
+        });
+    };
+
+    /**
+     * Determines if a specific node is a valid require or define/require.def
+     * call.
+     * @param {Array} node
+     * @param {Function} onMatch a function to call when a match is found.
+     * It is passed the match name, and the config, name, deps possible args.
+     * The config, name and deps args are not normalized.
+     *
+     * @returns {String} a JS source string with the valid require/define call.
+     * Otherwise null.
+     */
+    parse.parseNode = function (node, onMatch) {
+        var name, deps, cjsDeps, arg, factory,
+            args = node && node[argPropName],
+            callName = parse.hasRequire(node);
+
+        if (callName === 'require' || callName === 'requirejs') {
+            //A plain require/requirejs call
+            arg = node[argPropName] && node[argPropName][0];
+            if (arg.type !== 'ArrayExpression') {
+                if (arg.type === 'ObjectExpression') {
+                    //A config call, try the second arg.
+                    arg = node[argPropName][1];
+                }
+            }
+
+            deps = getValidDeps(arg);
+            if (!deps) {
+                return;
+            }
+
+            return onMatch("require", null, null, deps, node);
+        } else if (parse.hasDefine(node) && args && args.length) {
+            name = args[0];
+            deps = args[1];
+            factory = args[2];
+
+            if (name.type === 'ArrayExpression') {
+                //No name, adjust args
+                factory = deps;
+                deps = name;
+                name = null;
+            } else if (name.type === 'FunctionExpression') {
+                //Just the factory, no name or deps
+                factory = name;
+                name = deps = null;
+            } else if (name.type !== 'Literal') {
+                 //An object literal, just null out
+                name = deps = factory = null;
+            }
+
+            if (name && name.type === 'Literal' && deps) {
+                if (deps.type === 'FunctionExpression') {
+                    //deps is the factory
+                    factory = deps;
+                    deps = null;
+                } else if (deps.type === 'ObjectExpression') {
+                    //deps is object literal, null out
+                    deps = factory = null;
+                }
+            }
+
+            if (deps && deps.type === 'ArrayExpression') {
+                deps = getValidDeps(deps);
+            } else if (factory && factory.type === 'FunctionExpression') {
+                //If no deps and a factory function, could be a commonjs sugar
+                //wrapper, scan the function for dependencies.
+                cjsDeps = parse.getAnonDepsFromNode(factory);
+                if (cjsDeps.length) {
+                    deps = cjsDeps;
+                }
+            } else if (deps || factory) {
+                //Does not match the shape of an AMD call.
+                return;
+            }
+
+            //Just save off the name as a string instead of an AST object.
+            if (name && name.type === 'Literal') {
+                name = name.value;
+            }
+
+            return onMatch("define", null, name, deps, node);
+        }
+    };
+
+    /**
+     * Converts an AST node into a JS source string by extracting
+     * the node's location from the given contents string. Assumes
+     * esprima.parse() with ranges was done.
+     * @param {String} contents
+     * @param {Object} node
+     * @returns {String} a JS source string.
+     */
+    parse.nodeToString = function (contents, node) {
+        var range = node.range;
+        return contents.substring(range[0], range[1]);
+    };
+
+    /**
+     * Extracts license comments from JS text.
+     * @param {String} fileName
+     * @param {String} contents
+     * @returns {String} a string of license comments.
+     */
+    parse.getLicenseComments = function (fileName, contents) {
+        var commentNode, refNode, subNode, value, i, j,
+            ast = esprima.parse(contents, {
+                comment: true
+            }),
+            result = '',
+            existsMap = {},
+            lineEnd = contents.indexOf('\r') === -1 ? '\n' : '\r\n';
+
+        if (ast.comments) {
+            for (i = 0; i < ast.comments.length; i++) {
+                commentNode = ast.comments[i];
+
+                if (commentNode.type === 'Line') {
+                    value = '//' + commentNode.value + lineEnd;
+                    refNode = commentNode;
+
+                    if (i + 1 >= ast.comments.length) {
+                        value += lineEnd;
+                    } else {
+                        //Look for immediately adjacent single line comments
+                        //since it could from a multiple line comment made out
+                        //of single line comments. Like this comment.
+                        for (j = i + 1; j < ast.comments.length; j++) {
+                            subNode = ast.comments[j];
+                            if (subNode.type === 'Line' &&
+                                    subNode.range[0] === refNode.range[1]) {
+                                //Adjacent single line comment. Collect it.
+                                value += '//' + subNode.value + lineEnd;
+                                refNode = subNode;
+                            } else {
+                                //No more single line comment blocks. Break out
+                                //and continue outer looping.
+                                break;
+                            }
+                        }
+                        value += lineEnd;
+                        i = j - 1;
+                    }
+                } else {
+                    value = '/*' + commentNode.value + '*/' + lineEnd + lineEnd;
+                }
+
+                if (!existsMap[value] && (value.indexOf('license') !== -1 ||
+                        (commentNode.type === 'Block' &&
+                            value.indexOf('/*!') === 0) ||
+                        value.indexOf('opyright') !== -1 ||
+                        value.indexOf('(c)') !== -1)) {
+
+                    result += value;
+                    existsMap[value] = true;
+                }
+
+            }
+        }
+
+        return result;
+    };
+
+    return parse;
+});
+/**
+ * @license Copyright (c) 2012, The Dojo Foundation All Rights Reserved.
+ * Available via the MIT or new BSD license.
+ * see: http://github.com/jrburke/requirejs for details
+ */
+
+/*jslint */
+/*global define */
+
+define('transform', [ './esprima', './parse', 'logger', 'lang'], function (esprima, parse, logger, lang) {
+    'use strict';
+    var transform,
+        baseIndentRegExp = /^([ \t]+)/,
+        indentRegExp = /\{[\r\n]+([ \t]+)/,
+        bulkIndentRegExps = {
+            '\n': /\n/g,
+            '\r\n': /\r\n/g
+        };
+
+    function applyIndent(str, indent, lineReturn) {
+        var regExp = bulkIndentRegExps[lineReturn];
+        return str.replace(regExp, '$&' + indent);
+    }
+
+    return (transform = {
+        toTransport: function (namespace, moduleName, path, contents, onFound, options) {
+            options = options || {};
+
+            var tokens, foundAnon, deps, lastRange, parenCount, inDefine,
+                scanCount = 0,
+                scanReset = false,
+                defineRanges = [],
+                contentInsertion = '',
+                depString = '';
+
+            try {
+                tokens = esprima.parse(contents, {
+                    tokens: true,
+                    range: true
+                }).tokens;
+            } catch (e) {
+                logger.trace('toTransport skipping ' + path + ': ' +
+                             e.toString());
+                return contents;
+            }
+
+            //Find the define calls and their position in the files.
+            tokens.some(function (token, i) {
+                var prev, prev2, next, next2, next3, next4, next5,
+                    needsId, depAction, nameCommaRange, foundId,
+                    sourceUrlData, range,
+                    namespaceExists = false;
+
+                if (inDefine && token.type === 'Punctuator') {
+                    //Looking for the end of the define call.
+                    if (token.value === '(') {
+                        parenCount += 1;
+                    } else if (token.value === ')') {
+                        parenCount -= 1;
+                    }
+
+                    if (parenCount === 0) {
+                        inDefine = false;
+
+                        //Found the end of the define call. Hold onto
+                        //it.
+                        lastRange = defineRanges.length &&
+                            defineRanges[defineRanges.length - 1];
+                        if (lastRange && !lastRange.defineEndRange) {
+                            lastRange.defineEndRange = token.range;
+                        }
+                    }
+                }
+
+                if (token.type === 'Identifier' && token.value === 'define') {
+                    //Possible match. Do not want something.define calls
+                    //though, and only defines follow by a paren
+                    prev = tokens[i - 1];
+                    next = tokens[i + 1];
+
+                    if (prev && prev.type === 'Punctuator' &&
+                            prev.value === '.') {
+                        //a define on a sub-object, not a top level
+                        //define() call. If the sub object is the
+                        //namespace, then it is ok.
+                        prev2 = tokens[i - 2];
+                        if (!prev2) {
+                            return;
+                        }
+
+                        //If the prev2 does not match namespace, then bail.
+                        if (!namespace || prev2.type !== 'Identifier' ||
+                                prev2.value !== namespace) {
+                            return;
+                        } else if (namespace) {
+                            namespaceExists = true;
+                        }
+                    }
+
+                    if (!next || next.type !== 'Punctuator' ||
+                            next.value !== '(') {
+                       //Not a define() function call. Bail.
+                        return;
+                    }
+
+                    if (prev && prev.type === 'Keyword' &&
+                            prev.value === 'function') {
+                        //A declaration of a define function. Skip it.
+                        return;
+                    }
+
+                    next2 = tokens[i + 2];
+                    if (!next2) {
+                        return;
+                    }
+
+                    //Figure out if this needs a named define call.
+                    if (next2.type === 'Punctuator' && next2.value === '[') {
+                        //Dependency array
+                        needsId = true;
+                        depAction = 'skip';
+                    } else if (next2.type === 'Punctuator' &&
+                            next2.value === '{') {
+                        //Object literal
+                        needsId = true;
+                        depAction = 'skip';
+                    } else if (next2.type === 'Keyword' &&
+                               next2.value === 'function') {
+                        //function
+                        needsId = true;
+                        depAction = 'scan';
+                    } else if (next2.type === 'String') {
+                        //Named module
+                        needsId = false;
+
+                        //The value includes the quotes around the string,
+                        //so remove them.
+                        foundId = next2.value.substring(1,
+                                                        next2.value.length - 1);
+
+                        //assumed it does not need dependencies injected
+
+                        //If next argument is a function it means we need
+                        //dependency scanning.
+                        next3 = tokens[i + 3];
+                        next4 = tokens[i + 4];
+                        if (!next3 || !next4) {
+                            return;
+                        }
+
+                        if (next3.type === 'Punctuator' &&
+                                next3.value === ',' &&
+                                next4.type === 'Keyword' &&
+                                next4.value === 'function') {
+                            depAction = 'scan';
+                            nameCommaRange = next3.range;
+                        } else {
+                            depAction = 'skip';
+                        }
+                    } else if (next2.type === 'Identifier') {
+                        //May be the define(factory); type.
+                        next3 = tokens[i + 3];
+                        if (!next3) {
+                            return;
+                        }
+                        if (next3.type === 'Punctuator' &&
+                                next3.value === ')') {
+                            needsId = true;
+                            depAction = 'empty';
+                        } else {
+                            return;
+                        }
+                    } else if (next2.type === 'Numeric') {
+                        //May be the define(12345); type.
+                        next3 = tokens[i + 3];
+                        if (!next3) {
+                            return;
+                        }
+                        if (next3.type === 'Punctuator' &&
+                                next3.value === ')') {
+                            needsId = true;
+                            depAction = 'skip';
+                        } else {
+                            return;
+                        }
+                    } else if (next2.type === 'Punctuator' &&
+                               next2.value === '-') {
+                        //May be the define(-12345); type.
+                        next3 = tokens[i + 3];
+                        if (!next3) {
+                            return;
+                        }
+                        if (next3.type === 'Numeric') {
+                            next4 = tokens[i + 4];
+                            if (!next4) {
+                                return;
+                            }
+                            if (next4.type === 'Punctuator' &&
+                                    next4.value === ')') {
+                                needsId = true;
+                                depAction = 'skip';
+                            } else {
+                                return;
+                            }
+                        } else {
+                            return;
+                        }
+                    } else if (next2.type === 'Keyword' && next2.value === 'this') {
+                        //May be the define(this.key); type
+                        next3 = tokens[i + 3];
+                        next4 = tokens[i + 4];
+                        next5 = tokens[i + 5];
+                        if (!next3 || !next4 || !next5) {
+                            return;
+                        }
+
+                        if (next3.type === 'Punctuator' && next3.value === '.' &&
+                                next4.type === 'Identifier' &&
+                                next5.type === 'Punctuator' && next5.value === ')') {
+                            needsId = true;
+                            depAction = 'empty';
+                        } else {
+                            return;
+                        }
+                    } else {
+                        //Not a match, skip it.
+                        return;
+                    }
+
+                    //A valid define call. Need to find the end, start counting
+                    //parentheses.
+                    inDefine = true;
+                    parenCount = 0;
+
+                    range = {
+                        foundId: foundId,
+                        needsId: needsId,
+                        depAction: depAction,
+                        namespaceExists: namespaceExists,
+                        defineRange: token.range,
+                        parenRange: next.range,
+                        nameCommaRange: nameCommaRange,
+                        sourceUrlData: sourceUrlData
+                    };
+
+                    //Only transform ones that do not have IDs. If it has an
+                    //ID but no dependency array, assume it is something like
+                    //a phonegap implementation, that has its own internal
+                    //define that cannot handle dependency array constructs,
+                    //and if it is a named module, then it means it has been
+                    //set for transport form.
+                    if (range.needsId) {
+                        if (foundAnon) {
+                            logger.trace(path + ' has more than one anonymous ' +
+                                'define. May be a built file from another ' +
+                                'build system like, Ender. Skipping normalization.');
+                            defineRanges = [];
+                            return true;
+                        } else {
+                            foundAnon = range;
+                            defineRanges.push(range);
+                        }
+                    } else if (depAction === 'scan') {
+                        scanCount += 1;
+                        if (scanCount > 1) {
+                            //Just go back to an array that just has the
+                            //anon one, since this is an already optimized
+                            //file like the phonegap one.
+                            if (!scanReset) {
+                                defineRanges =  foundAnon ? [foundAnon] : [];
+                                scanReset = true;
+                            }
+                        } else {
+                            defineRanges.push(range);
+                        }
+                    }
+                }
+            });
+
+            if (!defineRanges.length) {
+                return contents;
+            }
+
+            //Reverse the matches, need to start from the bottom of
+            //the file to modify it, so that the ranges are still true
+            //further up.
+            defineRanges.reverse();
+
+            defineRanges.forEach(function (info) {
+                //Do the modifications "backwards", in other words, start with the
+                //one that is farthest down and work up, so that the ranges in the
+                //defineRanges still apply. So that means deps, id, then namespace.
+
+                if (info.needsId && moduleName) {
+                    contentInsertion += "'" + moduleName + "',";
+                }
+
+                if (info.depAction === 'scan') {
+                    deps = parse.getAnonDeps(path, contents.substring(info.defineRange[0], info.defineEndRange[1]));
+
+                    if (deps.length) {
+                        depString = '[' + deps.map(function (dep) {
+                            return "'" + dep + "'";
+                        }) + ']';
+                    } else {
+                        depString = '[]';
+                    }
+                    depString +=  ',';
+
+                    if (info.nameCommaRange) {
+                        //Already have a named module, need to insert the
+                        //dependencies after the name.
+                        contents = contents.substring(0, info.nameCommaRange[1]) +
+                                   depString +
+                                   contents.substring(info.nameCommaRange[1],
+                                                  contents.length);
+                    } else {
+                        contentInsertion +=  depString;
+                    }
+                }
+
+                if (contentInsertion) {
+                    contents = contents.substring(0, info.parenRange[1]) +
+                               contentInsertion +
+                               contents.substring(info.parenRange[1],
+                                                  contents.length);
+                }
+
+                //Do namespace last so that ui does not mess upthe parenRange
+                //used above.
+                if (namespace && !info.namespaceExists) {
+                    contents = contents.substring(0, info.defineRange[0]) +
+                               namespace + '.' +
+                               contents.substring(info.defineRange[0],
+                                                  contents.length);
+                }
+
+                //Notify any listener for the found info
+                if (onFound) {
+                    onFound(info);
+                }
+            });
+
+            if (options.useSourceUrl) {
+                contents = 'eval("' + lang.jsEscape(contents) +
+                    '\\n//@ sourceURL=' + (path.indexOf('/') === 0 ? '' : '/') +
+                    path +
+                    '");\n';
+            }
+
+            return contents;
+        },
+
+        /**
+         * Modify the contents of a require.config/requirejs.config call. This
+         * call will LOSE any existing comments that are in the config string.
+         *
+         * @param  {String} fileContents String that may contain a config call
+         * @param  {Function} onConfig Function called when the first config
+         * call is found. It will be passed an Object which is the current
+         * config, and the onConfig function should return an Object to use
+         * as the config.
+         * @return {String} the fileContents with the config changes applied.
+         */
+        modifyConfig: function (fileContents, onConfig) {
+            var details = parse.findConfig(fileContents),
+                config = details.config;
+
+            if (config) {
+                config = onConfig(config);
+                if (config) {
+                    return transform.serializeConfig(config,
+                                              fileContents,
+                                              details.range[0],
+                                              details.range[1]);
+                }
+            }
+
+            return fileContents;
+        },
+
+        serializeConfig: function (config, fileContents, start, end) {
+            //Calculate base level of indent
+            var indent, match, configString, outDentRegExp,
+                baseIndent = '',
+                startString = fileContents.substring(0, start),
+                existingConfigString = fileContents.substring(start, end),
+                lineReturn = existingConfigString.indexOf('\r') === -1 ? '\n' : '\r\n',
+                lastReturnIndex = startString.lastIndexOf('\n');
+
+            //Get the basic amount of indent for the require config call.
+            if (lastReturnIndex === -1) {
+                lastReturnIndex = 0;
+            }
+
+            match = baseIndentRegExp.exec(startString.substring(lastReturnIndex + 1, start));
+            if (match && match[1]) {
+                baseIndent = match[1];
+            }
+
+            //Calculate internal indentation for config
+            match = indentRegExp.exec(existingConfigString);
+            if (match && match[1]) {
+                indent = match[1];
+            }
+
+            if (!indent || indent.length < baseIndent) {
+                indent = '  ';
+            } else {
+                indent = indent.substring(baseIndent.length);
+            }
+
+            outDentRegExp = new RegExp('(' + lineReturn + ')' + indent, 'g');
+
+            configString = transform.objectToString(config,
+                                                    indent,
+                                                    lineReturn,
+                                                    outDentRegExp);
+
+            //Add in the base indenting level.
+            configString = applyIndent(configString, baseIndent, lineReturn);
+
+            return startString + configString + fileContents.substring(end);
+        },
+
+        /**
+         * Tries converting a JS object to a string. This will likely suck, and
+         * is tailored to the type of config expected in a loader config call.
+         * So, hasOwnProperty fields, strings, numbers, arrays and functions,
+         * no weird recursively referenced stuff.
+         * @param  {Object} obj        the object to convert
+         * @param  {String} indent     the indentation to use for each level
+         * @param  {String} lineReturn the type of line return to use
+         * @param  {outDentRegExp} outDentRegExp the regexp to use to outdent functions
+         * @param  {String} totalIndent the total indent to print for this level
+         * @return {String}            a string representation of the object.
+         */
+        objectToString: function (obj, indent, lineReturn, outDentRegExp, totalIndent) {
+            var startBrace, endBrace, nextIndent,
+                first = true,
+                value = '';
+
+            totalIndent = totalIndent || '';
+            nextIndent = totalIndent + indent;
+
+            if (obj === null) {
+                value = 'null';
+            } else if (obj === undefined) {
+                value = 'undefined';
+            } else if (typeof obj === 'number') {
+                value = obj;
+            } else if (typeof obj === 'string') {
+                //Use double quotes in case the config may also work as JSON.
+                value = '"' + lang.jsEscape(obj) + '"';
+            } else if (lang.isArray(obj)) {
+                lang.each(obj, function (item, i) {
+                    value += (i !== 0 ? ',' + lineReturn : '' ) +
+                        nextIndent +
+                        transform.objectToString(item,
+                                                 indent,
+                                                 lineReturn,
+                                                 outDentRegExp,
+                                                 nextIndent);
+                });
+
+                startBrace = '[';
+                endBrace = ']';
+            } else if (lang.isFunction(obj) || lang.isRegExp(obj)) {
+                //The outdent regexp just helps pretty up the conversion
+                //just in node. Rhino strips comments and does a different
+                //indent scheme for Function toString, so not really helpful
+                //there.
+                value = obj.toString().replace(outDentRegExp, '$1');
+            } else {
+                //An object
+                lang.eachProp(obj, function (v, prop) {
+                    value += (first ? '': ',' + lineReturn) +
+                        nextIndent +
+                        '"' + lang.jsEscape(prop) + '": ' +
+                        transform.objectToString(v,
+                                                 indent,
+                                                 lineReturn,
+                                                 outDentRegExp,
+                                                 nextIndent);
+                    first = false;
+                });
+                startBrace = '{';
+                endBrace = '}';
+            }
+
+            if (startBrace) {
+                value = startBrace +
+                        lineReturn +
+                        value +
+                        lineReturn + totalIndent +
+                        endBrace;
+            }
+
+            return value;
+        }
+    });
+});/**
+ * @license Copyright (c) 2010-2011, The Dojo Foundation All Rights Reserved.
+ * Available via the MIT or new BSD license.
+ * see: http://github.com/jrburke/requirejs for details
+ */
+
+/*jslint regexp: true, plusplus: true  */
+/*global define: false */
+
+define('pragma', ['parse', 'logger'], function (parse, logger) {
+    'use strict';
+    function Temp() {}
+
+    function create(obj, mixin) {
+        Temp.prototype = obj;
+        var temp = new Temp(), prop;
+
+        //Avoid any extra memory hanging around
+        Temp.prototype = null;
+
+        if (mixin) {
+            for (prop in mixin) {
+                if (mixin.hasOwnProperty(prop) && !temp.hasOwnProperty(prop)) {
+                    temp[prop] = mixin[prop];
+                }
+            }
+        }
+
+        return temp; // Object
+    }
+
+    var pragma = {
+        conditionalRegExp: /(exclude|include)Start\s*\(\s*["'](\w+)["']\s*,(.*)\)/,
+        useStrictRegExp: /['"]use strict['"];/g,
+        hasRegExp: /has\s*\(\s*['"]([^'"]+)['"]\s*\)/g,
+        configRegExp: /(^|[^\.])(requirejs|require)(\.config)\s*\(/g,
+        nsWrapRegExp: /\/\*requirejs namespace: true \*\//,
+        apiDefRegExp: /var requirejs, require, define;/,
+        defineCheckRegExp: /typeof\s+define\s*===\s*["']function["']\s*&&\s*define\s*\.\s*amd/g,
+        defineStringCheckRegExp: /typeof\s+define\s*===\s*["']function["']\s*&&\s*define\s*\[\s*["']amd["']\s*\]/g,
+        defineTypeFirstCheckRegExp: /\s*["']function["']\s*===\s*typeof\s+define\s*&&\s*define\s*\.\s*amd/g,
+        defineJQueryRegExp: /typeof\s+define\s*===\s*["']function["']\s*&&\s*define\s*\.\s*amd\s*&&\s*define\s*\.\s*amd\s*\.\s*jQuery/g,
+        defineHasRegExp: /typeof\s+define\s*==(=)?\s*['"]function['"]\s*&&\s*typeof\s+define\.amd\s*==(=)?\s*['"]object['"]\s*&&\s*define\.amd/g,
+        defineTernaryRegExp: /typeof\s+define\s*===\s*['"]function["']\s*&&\s*define\s*\.\s*amd\s*\?\s*define/,
+        amdefineRegExp: /if\s*\(\s*typeof define\s*\!==\s*'function'\s*\)\s*\{\s*[^\{\}]+amdefine[^\{\}]+\}/g,
+
+        removeStrict: function (contents, config) {
+            return config.useStrict ? contents : contents.replace(pragma.useStrictRegExp, '');
+        },
+
+        namespace: function (fileContents, ns, onLifecycleName) {
+            if (ns) {
+                //Namespace require/define calls
+                fileContents = fileContents.replace(pragma.configRegExp, '$1' + ns + '.$2$3(');
+
+
+                fileContents = parse.renameNamespace(fileContents, ns);
+
+                //Namespace define ternary use:
+                fileContents = fileContents.replace(pragma.defineTernaryRegExp,
+                                                    "typeof " + ns + ".define === 'function' && " + ns + ".define.amd ? " + ns + ".define");
+
+                //Namespace define jquery use:
+                fileContents = fileContents.replace(pragma.defineJQueryRegExp,
+                                                    "typeof " + ns + ".define === 'function' && " + ns + ".define.amd && " + ns + ".define.amd.jQuery");
+
+                //Namespace has.js define use:
+                fileContents = fileContents.replace(pragma.defineHasRegExp,
+                                                    "typeof " + ns + ".define === 'function' && typeof " + ns + ".define.amd === 'object' && " + ns + ".define.amd");
+
+                //Namespace define checks.
+                //Do these ones last, since they are a subset of the more specific
+                //checks above.
+                fileContents = fileContents.replace(pragma.defineCheckRegExp,
+                                                    "typeof " + ns + ".define === 'function' && " + ns + ".define.amd");
+                fileContents = fileContents.replace(pragma.defineStringCheckRegExp,
+                                                    "typeof " + ns + ".define === 'function' && " + ns + ".define['amd']");
+                fileContents = fileContents.replace(pragma.defineTypeFirstCheckRegExp,
+                                                    "'function' === typeof " + ns + ".define && " + ns + ".define.amd");
+
+                //Check for require.js with the require/define definitions
+                if (pragma.apiDefRegExp.test(fileContents) &&
+                    fileContents.indexOf("if (typeof " + ns + " === 'undefined')") === -1) {
+                    //Wrap the file contents in a typeof check, and a function
+                    //to contain the API globals.
+                    fileContents = "var " + ns + ";(function () { if (typeof " +
+                                    ns + " === 'undefined') {\n" +
+                                    ns + ' = {};\n' +
+                                    fileContents +
+                                    "\n" +
+                                    ns + ".requirejs = requirejs;" +
+                                    ns + ".require = require;" +
+                                    ns + ".define = define;\n" +
+                                    "}\n}());";
+                }
+
+                //Finally, if the file wants a special wrapper because it ties
+                //in to the requirejs internals in a way that would not fit
+                //the above matches, do that. Look for /*requirejs namespace: true*/
+                if (pragma.nsWrapRegExp.test(fileContents)) {
+                    //Remove the pragma.
+                    fileContents = fileContents.replace(pragma.nsWrapRegExp, '');
+
+                    //Alter the contents.
+                    fileContents = '(function () {\n' +
+                                   'var require = ' + ns + '.require,' +
+                                   'requirejs = ' + ns + '.requirejs,' +
+                                   'define = ' + ns + '.define;\n' +
+                                   fileContents +
+                                   '\n}());';
+                }
+            }
+
+            return fileContents;
+        },
+
+        /**
+         * processes the fileContents for some //>> conditional statements
+         */
+        process: function (fileName, fileContents, config, onLifecycleName, pluginCollector) {
+            /*jslint evil: true */
+            var foundIndex = -1, startIndex = 0, lineEndIndex, conditionLine,
+                matches, type, marker, condition, isTrue, endRegExp, endMatches,
+                endMarkerIndex, shouldInclude, startLength, lifecycleHas, deps,
+                i, dep, moduleName, collectorMod,
+                lifecyclePragmas, pragmas = config.pragmas, hasConfig = config.has,
+                //Legacy arg defined to help in dojo conversion script. Remove later
+                //when dojo no longer needs conversion:
+                kwArgs = pragmas;
+
+            //Mix in a specific lifecycle scoped object, to allow targeting
+            //some pragmas/has tests to only when files are saved, or at different
+            //lifecycle events. Do not bother with kwArgs in this section, since
+            //the old dojo kwArgs were for all points in the build lifecycle.
+            if (onLifecycleName) {
+                lifecyclePragmas = config['pragmas' + onLifecycleName];
+                lifecycleHas = config['has' + onLifecycleName];
+
+                if (lifecyclePragmas) {
+                    pragmas = create(pragmas || {}, lifecyclePragmas);
+                }
+
+                if (lifecycleHas) {
+                    hasConfig = create(hasConfig || {}, lifecycleHas);
+                }
+            }
+
+            //Replace has references if desired
+            if (hasConfig) {
+                fileContents = fileContents.replace(pragma.hasRegExp, function (match, test) {
+                    if (hasConfig.hasOwnProperty(test)) {
+                        return !!hasConfig[test];
+                    }
+                    return match;
+                });
+            }
+
+            if (!config.skipPragmas) {
+
+                while ((foundIndex = fileContents.indexOf("//>>", startIndex)) !== -1) {
+                    //Found a conditional. Get the conditional line.
+                    lineEndIndex = fileContents.indexOf("\n", foundIndex);
+                    if (lineEndIndex === -1) {
+                        lineEndIndex = fileContents.length - 1;
+                    }
+
+                    //Increment startIndex past the line so the next conditional search can be done.
+                    startIndex = lineEndIndex + 1;
+
+                    //Break apart the conditional.
+                    conditionLine = fileContents.substring(foundIndex, lineEndIndex + 1);
+                    matches = conditionLine.match(pragma.conditionalRegExp);
+                    if (matches) {
+                        type = matches[1];
+                        marker = matches[2];
+                        condition = matches[3];
+                        isTrue = false;
+                        //See if the condition is true.
+                        try {
+                            isTrue = !!eval("(" + condition + ")");
+                        } catch (e) {
+                            throw "Error in file: " +
+                                   fileName +
+                                   ". Conditional comment: " +
+                                   conditionLine +
+                                   " failed with this error: " + e;
+                        }
+
+                        //Find the endpoint marker.
+                        endRegExp = new RegExp('\\/\\/\\>\\>\\s*' + type + 'End\\(\\s*[\'"]' + marker + '[\'"]\\s*\\)', "g");
+                        endMatches = endRegExp.exec(fileContents.substring(startIndex, fileContents.length));
+                        if (endMatches) {
+                            endMarkerIndex = startIndex + endRegExp.lastIndex - endMatches[0].length;
+
+                            //Find the next line return based on the match position.
+                            lineEndIndex = fileContents.indexOf("\n", endMarkerIndex);
+                            if (lineEndIndex === -1) {
+                                lineEndIndex = fileContents.length - 1;
+                            }
+
+                            //Should we include the segment?
+                            shouldInclude = ((type === "exclude" && !isTrue) || (type === "include" && isTrue));
+
+                            //Remove the conditional comments, and optionally remove the content inside
+                            //the conditional comments.
+                            startLength = startIndex - foundIndex;
+                            fileContents = fileContents.substring(0, foundIndex) +
+                                (shouldInclude ? fileContents.substring(startIndex, endMarkerIndex) : "") +
+                                fileContents.substring(lineEndIndex + 1, fileContents.length);
+
+                            //Move startIndex to foundIndex, since that is the new position in the file
+                            //where we need to look for more conditionals in the next while loop pass.
+                            startIndex = foundIndex;
+                        } else {
+                            throw "Error in file: " +
+                                  fileName +
+                                  ". Cannot find end marker for conditional comment: " +
+                                  conditionLine;
+
+                        }
+                    }
+                }
+            }
+
+            //If need to find all plugin resources to optimize, do that now,
+            //before namespacing, since the namespacing will change the API
+            //names.
+            //If there is a plugin collector, scan the file for plugin resources.
+            if (config.optimizeAllPluginResources && pluginCollector) {
+                try {
+                    deps = parse.findDependencies(fileName, fileContents);
+                    if (deps.length) {
+                        for (i = 0; i < deps.length; i++) {
+                            dep = deps[i];
+                            if (dep.indexOf('!') !== -1) {
+                                moduleName = dep.split('!')[0];
+                                collectorMod = pluginCollector[moduleName];
+                                if (!collectorMod) {
+                                 collectorMod = pluginCollector[moduleName] = [];
+                                }
+                                collectorMod.push(dep);
+                            }
+                        }
+                    }
+                } catch (eDep) {
+                    logger.error('Parse error looking for plugin resources in ' +
+                                 fileName + ', skipping.');
+                }
+            }
+
+            //Strip amdefine use for node-shared modules.
+            fileContents = fileContents.replace(pragma.amdefineRegExp, '');
+
+            //Do namespacing
+            if (onLifecycleName === 'OnSave' && config.namespace) {
+                fileContents = pragma.namespace(fileContents, config.namespace, onLifecycleName);
+            }
+
+
+            return pragma.removeStrict(fileContents, config);
+        }
+    };
+
+    return pragma;
+});
+if(env === 'browser') {
+/**
+ * @license Copyright (c) 2010-2011, The Dojo Foundation All Rights Reserved.
+ * Available via the MIT or new BSD license.
+ * see: http://github.com/jrburke/requirejs for details
+ */
+
+/*jslint strict: false */
+/*global define: false */
+
+define('browser/optimize', {});
+
+}
+
+if(env === 'node') {
+/**
+ * @license Copyright (c) 2010-2011, The Dojo Foundation All Rights Reserved.
+ * Available via the MIT or new BSD license.
+ * see: http://github.com/jrburke/requirejs for details
+ */
+
+/*jslint strict: false */
+/*global define: false */
+
+define('node/optimize', {});
+
+}
+
+if(env === 'rhino') {
+/**
+ * @license Copyright (c) 2010-2011, The Dojo Foundation All Rights Reserved.
+ * Available via the MIT or new BSD license.
+ * see: http://github.com/jrburke/requirejs for details
+ */
+
+/*jslint sloppy: true, plusplus: true */
+/*global define, java, Packages, com */
+
+define('rhino/optimize', ['logger', 'env!env/file'], function (logger, file) {
+
+    //Add .reduce to Rhino so UglifyJS can run in Rhino,
+    //inspired by https://developer.mozilla.org/en/JavaScript/Reference/Global_Objects/Array/reduce
+    //but rewritten for brevity, and to be good enough for use by UglifyJS.
+    if (!Array.prototype.reduce) {
+        Array.prototype.reduce = function (fn /*, initialValue */) {
+            var i = 0,
+                length = this.length,
+                accumulator;
+
+            if (arguments.length >= 2) {
+                accumulator = arguments[1];
+            } else {
+                if (length) {
+                    while (!(i in this)) {
+                        i++;
+                    }
+                    accumulator = this[i++];
+                }
+            }
+
+            for (; i < length; i++) {
+                if (i in this) {
+                    accumulator = fn.call(undefined, accumulator, this[i], i, this);
+                }
+            }
+
+            return accumulator;
+        };
+    }
+
+    var JSSourceFilefromCode, optimize,
+        mapRegExp = /"file":"[^"]+"/;
+
+    //Bind to Closure compiler, but if it is not available, do not sweat it.
+    try {
+        JSSourceFilefromCode = java.lang.Class.forName('com.google.javascript.jscomp.JSSourceFile').getMethod('fromCode', [java.lang.String, java.lang.String]);
+    } catch (e) {}
+
+    //Helper for closure compiler, because of weird Java-JavaScript interactions.
+    function closurefromCode(filename, content) {
+        return JSSourceFilefromCode.invoke(null, [filename, content]);
+    }
+
+
+    function getFileWriter(fileName, encoding) {
+        var outFile = new java.io.File(fileName), outWriter, parentDir;
+
+        parentDir = outFile.getAbsoluteFile().getParentFile();
+        if (!parentDir.exists()) {
+            if (!parentDir.mkdirs()) {
+                throw "Could not create directory: " + parentDir.getAbsolutePath();
+            }
+        }
+
+        if (encoding) {
+            outWriter = new java.io.OutputStreamWriter(new java.io.FileOutputStream(outFile), encoding);
+        } else {
+            outWriter = new java.io.OutputStreamWriter(new java.io.FileOutputStream(outFile));
+        }
+
+        return new java.io.BufferedWriter(outWriter);
+    }
+
+    optimize = {
+        closure: function (fileName, fileContents, outFileName, keepLines, config) {
+            config = config || {};
+            var result, mappings, optimized, compressed, baseName, writer,
+                outBaseName, outFileNameMap, outFileNameMapContent,
+                jscomp = Packages.com.google.javascript.jscomp,
+                flags = Packages.com.google.common.flags,
+                //Fake extern
+                externSourceFile = closurefromCode("fakeextern.js", " "),
+                //Set up source input
+                jsSourceFile = closurefromCode(String(fileName), String(fileContents)),
+                options, option, FLAG_compilation_level, compiler,
+                Compiler = Packages.com.google.javascript.jscomp.Compiler;
+
+            logger.trace("Minifying file: " + fileName);
+
+            baseName = (new java.io.File(fileName)).getName();
+
+            //Set up options
+            options = new jscomp.CompilerOptions();
+            for (option in config.CompilerOptions) {
+                // options are false by default and jslint wanted an if statement in this for loop
+                if (config.CompilerOptions[option]) {
+                    options[option] = config.CompilerOptions[option];
+                }
+
+            }
+            options.prettyPrint = keepLines || options.prettyPrint;
+
+            FLAG_compilation_level = jscomp.CompilationLevel[config.CompilationLevel || 'SIMPLE_OPTIMIZATIONS'];
+            FLAG_compilation_level.setOptionsForCompilationLevel(options);
+
+            if (config.generateSourceMaps) {
+                mappings = new java.util.ArrayList();
+
+                mappings.add(new com.google.javascript.jscomp.SourceMap.LocationMapping(fileName, baseName + ".src"));
+                options.setSourceMapLocationMappings(mappings);
+                options.setSourceMapOutputPath(fileName + ".map");
+            }
+
+            //Trigger the compiler
+            Compiler.setLoggingLevel(Packages.java.util.logging.Level[config.loggingLevel || 'WARNING']);
+            compiler = new Compiler();
+
+            result = compiler.compile(externSourceFile, jsSourceFile, options);
+            if (result.success) {
+                optimized = String(compiler.toSource());
+
+                if (config.generateSourceMaps && result.sourceMap && outFileName) {
+                    outBaseName = (new java.io.File(outFileName)).getName();
+
+                    file.saveUtf8File(outFileName + ".src", fileContents);
+
+                    outFileNameMap = outFileName + ".map";
+                    writer = getFileWriter(outFileNameMap, "utf-8");
+                    result.sourceMap.appendTo(writer, outFileName);
+                    writer.close();
+
+                    //Not sure how better to do this, but right now the .map file
+                    //leaks the full OS path in the "file" property. Manually
+                    //modify it to not do that.
+                    file.saveFile(outFileNameMap,
+                        file.readFile(outFileNameMap).replace(mapRegExp, '"file":"' + baseName + '"'));
+
+                    fileContents = optimized + "\n//@ sourceMappingURL=" + outBaseName + ".map";
+                } else {
+                    fileContents = optimized;
+                }
+                return fileContents;
+            } else {
+                throw new Error('Cannot closure compile file: ' + fileName + '. Skipping it.');
+            }
+
+            return fileContents;
+        }
+    };
+
+    return optimize;
+});
+}
+
+if(env === 'xpconnect') {
+define('xpconnect/optimize', {});
+}
+/**
+ * @license Copyright (c) 2010-2011, The Dojo Foundation All Rights Reserved.
+ * Available via the MIT or new BSD license.
+ * see: http://github.com/jrburke/requirejs for details
+ */
+
+/*jslint plusplus: true, nomen: true, regexp: true */
+/*global define: false */
+
+define('optimize', [ 'lang', 'logger', 'env!env/optimize', 'env!env/file', 'parse',
+         'pragma', 'uglifyjs/index', 'uglifyjs2'],
+function (lang,   logger,   envOptimize,        file,           parse,
+          pragma, uglify,             uglify2) {
+    'use strict';
+
+    var optimize,
+        cssImportRegExp = /\@import\s+(url\()?\s*([^);]+)\s*(\))?([\w, ]*)(;)?/ig,
+        cssCommentImportRegExp = /\/\*[^\*]*@import[^\*]*\*\//g,
+        cssUrlRegExp = /\url\(\s*([^\)]+)\s*\)?/g;
+
+    /**
+     * If an URL from a CSS url value contains start/end quotes, remove them.
+     * This is not done in the regexp, since my regexp fu is not that strong,
+     * and the CSS spec allows for ' and " in the URL if they are backslash escaped.
+     * @param {String} url
+     */
+    function cleanCssUrlQuotes(url) {
+        //Make sure we are not ending in whitespace.
+        //Not very confident of the css regexps above that there will not be ending
+        //whitespace.
+        url = url.replace(/\s+$/, "");
+
+        if (url.charAt(0) === "'" || url.charAt(0) === "\"") {
+            url = url.substring(1, url.length - 1);
+        }
+
+        return url;
+    }
+
+    /**
+     * Inlines nested stylesheets that have @import calls in them.
+     * @param {String} fileName the file name
+     * @param {String} fileContents the file contents
+     * @param {String} cssImportIgnore comma delimited string of files to ignore
+     * @param {String} cssPrefix string to be prefixed before relative URLs
+     * @param {Object} included an object used to track the files already imported
+     */
+    function flattenCss(fileName, fileContents, cssImportIgnore, cssPrefix, included) {
+        //Find the last slash in the name.
+        fileName = fileName.replace(lang.backSlashRegExp, "/");
+        var endIndex = fileName.lastIndexOf("/"),
+            //Make a file path based on the last slash.
+            //If no slash, so must be just a file name. Use empty string then.
+            filePath = (endIndex !== -1) ? fileName.substring(0, endIndex + 1) : "",
+            //store a list of merged files
+            importList = [],
+            skippedList = [];
+
+        //First make a pass by removing an commented out @import calls.
+        fileContents = fileContents.replace(cssCommentImportRegExp, '');
+
+        //Make sure we have a delimited ignore list to make matching faster
+        if (cssImportIgnore && cssImportIgnore.charAt(cssImportIgnore.length - 1) !== ",") {
+            cssImportIgnore += ",";
+        }
+
+        fileContents = fileContents.replace(cssImportRegExp, function (fullMatch, urlStart, importFileName, urlEnd, mediaTypes) {
+            //Only process media type "all" or empty media type rules.
+            if (mediaTypes && ((mediaTypes.replace(/^\s\s*/, '').replace(/\s\s*$/, '')) !== "all")) {
+                skippedList.push(fileName);
+                return fullMatch;
+            }
+
+            importFileName = cleanCssUrlQuotes(importFileName);
+
+            //Ignore the file import if it is part of an ignore list.
+            if (cssImportIgnore && cssImportIgnore.indexOf(importFileName + ",") !== -1) {
+                return fullMatch;
+            }
+
+            //Make sure we have a unix path for the rest of the operation.
+            importFileName = importFileName.replace(lang.backSlashRegExp, "/");
+
+            try {
+                //if a relative path, then tack on the filePath.
+                //If it is not a relative path, then the readFile below will fail,
+                //and we will just skip that import.
+                var fullImportFileName = importFileName.charAt(0) === "/" ? importFileName : filePath + importFileName,
+                    importContents = file.readFile(fullImportFileName), i,
+                    importEndIndex, importPath, fixedUrlMatch, colonIndex, parts, flat;
+
+                //Skip the file if it has already been included.
+                if (included[fullImportFileName]) {
+                    return '';
+                }
+                included[fullImportFileName] = true;
+
+                //Make sure to flatten any nested imports.
+                flat = flattenCss(fullImportFileName, importContents, cssImportIgnore, cssPrefix, included);
+                importContents = flat.fileContents;
+
+                if (flat.importList.length) {
+                    importList.push.apply(importList, flat.importList);
+                }
+                if (flat.skippedList.length) {
+                    skippedList.push.apply(skippedList, flat.skippedList);
+                }
+
+                //Make the full import path
+                importEndIndex = importFileName.lastIndexOf("/");
+
+                //Make a file path based on the last slash.
+                //If no slash, so must be just a file name. Use empty string then.
+                importPath = (importEndIndex !== -1) ? importFileName.substring(0, importEndIndex + 1) : "";
+
+                //fix url() on relative import (#5)
+                importPath = importPath.replace(/^\.\//, '');
+
+                //Modify URL paths to match the path represented by this file.
+                importContents = importContents.replace(cssUrlRegExp, function (fullMatch, urlMatch) {
+                    fixedUrlMatch = cleanCssUrlQuotes(urlMatch);
+                    fixedUrlMatch = fixedUrlMatch.replace(lang.backSlashRegExp, "/");
+
+                    //Only do the work for relative URLs. Skip things that start with / or have
+                    //a protocol.
+                    colonIndex = fixedUrlMatch.indexOf(":");
+                    if (fixedUrlMatch.charAt(0) !== "/" && (colonIndex === -1 || colonIndex > fixedUrlMatch.indexOf("/"))) {
+                        //It is a relative URL, tack on the cssPrefix and path prefix
+                        urlMatch = cssPrefix + importPath + fixedUrlMatch;
+
+                    } else {
+                        logger.trace(importFileName + "\n  URL not a relative URL, skipping: " + urlMatch);
+                    }
+
+                    //Collapse .. and .
+                    parts = urlMatch.split("/");
+                    for (i = parts.length - 1; i > 0; i--) {
+                        if (parts[i] === ".") {
+                            parts.splice(i, 1);
+                        } else if (parts[i] === "..") {
+                            if (i !== 0 && parts[i - 1] !== "..") {
+                                parts.splice(i - 1, 2);
+                                i -= 1;
+                            }
+                        }
+                    }
+
+                    return "url(" + parts.join("/") + ")";
+                });
+
+                importList.push(fullImportFileName);
+                return importContents;
+            } catch (e) {
+                logger.warn(fileName + "\n  Cannot inline css import, skipping: " + importFileName);
+                return fullMatch;
+            }
+        });
+
+        return {
+            importList : importList,
+            skippedList: skippedList,
+            fileContents : fileContents
+        };
+    }
+
+    optimize = {
+        /**
+         * Optimizes a file that contains JavaScript content. Optionally collects
+         * plugin resources mentioned in a file, and then passes the content
+         * through an minifier if one is specified via config.optimize.
+         *
+         * @param {String} fileName the name of the file to optimize
+         * @param {String} fileContents the contents to optimize. If this is
+         * a null value, then fileName will be used to read the fileContents.
+         * @param {String} outFileName the name of the file to use for the
+         * saved optimized content.
+         * @param {Object} config the build config object.
+         * @param {Array} [pluginCollector] storage for any plugin resources
+         * found.
+         */
+        jsFile: function (fileName, fileContents, outFileName, config, pluginCollector) {
+            if (!fileContents) {
+                fileContents = file.readFile(fileName);
+            }
+
+            fileContents = optimize.js(fileName, fileContents, outFileName, config, pluginCollector);
+
+            file.saveUtf8File(outFileName, fileContents);
+        },
+
+        /**
+         * Optimizes a file that contains JavaScript content. Optionally collects
+         * plugin resources mentioned in a file, and then passes the content
+         * through an minifier if one is specified via config.optimize.
+         *
+         * @param {String} fileName the name of the file that matches the
+         * fileContents.
+         * @param {String} fileContents the string of JS to optimize.
+         * @param {Object} [config] the build config object.
+         * @param {Array} [pluginCollector] storage for any plugin resources
+         * found.
+         */
+        js: function (fileName, fileContents, outFileName, config, pluginCollector) {
+            var optFunc, optConfig,
+                parts = (String(config.optimize)).split('.'),
+                optimizerName = parts[0],
+                keepLines = parts[1] === 'keepLines',
+                licenseContents = '';
+
+            config = config || {};
+
+            //Apply pragmas/namespace renaming
+            fileContents = pragma.process(fileName, fileContents, config, 'OnSave', pluginCollector);
+
+            //Optimize the JS files if asked.
+            if (optimizerName && optimizerName !== 'none') {
+                optFunc = envOptimize[optimizerName] || optimize.optimizers[optimizerName];
+                if (!optFunc) {
+                    throw new Error('optimizer with name of "' +
+                                    optimizerName +
+                                    '" not found for this environment');
+                }
+
+                optConfig = config[optimizerName] || {};
+                if (config.generateSourceMaps) {
+                    optConfig.generateSourceMaps = !!config.generateSourceMaps;
+                }
+
+                try {
+                    if (config.preserveLicenseComments) {
+                        //Pull out any license comments for prepending after optimization.
+                        try {
+                            licenseContents = parse.getLicenseComments(fileName, fileContents);
+                        } catch (e) {
+                            throw new Error('Cannot parse file: ' + fileName + ' for comments. Skipping it. Error is:\n' + e.toString());
+                        }
+                    }
+
+                    fileContents = licenseContents + optFunc(fileName,
+                                                             fileContents,
+                                                             outFileName,
+                                                             keepLines,
+                                                             optConfig);
+                } catch (e) {
+                    if (config.throwWhen && config.throwWhen.optimize) {
+                        throw e;
+                    } else {
+                        logger.error(e);
+                    }
+                }
+            }
+
+            return fileContents;
+        },
+
+        /**
+         * Optimizes one CSS file, inlining @import calls, stripping comments, and
+         * optionally removes line returns.
+         * @param {String} fileName the path to the CSS file to optimize
+         * @param {String} outFileName the path to save the optimized file.
+         * @param {Object} config the config object with the optimizeCss and
+         * cssImportIgnore options.
+         */
+        cssFile: function (fileName, outFileName, config) {
+
+            //Read in the file. Make sure we have a JS string.
+            var originalFileContents = file.readFile(fileName),
+                flat = flattenCss(fileName, originalFileContents, config.cssImportIgnore, config.cssPrefix, {}),
+                //Do not use the flattened CSS if there was one that was skipped.
+                fileContents = flat.skippedList.length ? originalFileContents : flat.fileContents,
+                startIndex, endIndex, buildText, comment;
+
+            if (flat.skippedList.length) {
+                logger.warn('Cannot inline @imports for ' + fileName +
+                            ',\nthe following files had media queries in them:\n' +
+                            flat.skippedList.join('\n'));
+            }
+
+            //Do comment removal.
+            try {
+                if (config.optimizeCss.indexOf(".keepComments") === -1) {
+                    startIndex = 0;
+                    //Get rid of comments.
+                    while ((startIndex = fileContents.indexOf("/*", startIndex)) !== -1) {
+                        endIndex = fileContents.indexOf("*/", startIndex + 2);
+                        if (endIndex === -1) {
+                            throw "Improper comment in CSS file: " + fileName;
+                        }
+                        comment = fileContents.substring(startIndex, endIndex);
+
+                        if (config.preserveLicenseComments &&
+                            (comment.indexOf('license') !== -1 ||
+                             comment.indexOf('opyright') !== -1 ||
+                             comment.indexOf('(c)') !== -1)) {
+                            //Keep the comment, just increment the startIndex
+                            startIndex = endIndex;
+                        } else {
+                            fileContents = fileContents.substring(0, startIndex) + fileContents.substring(endIndex + 2, fileContents.length);
+                            startIndex = 0;
+                        }
+                    }
+                }
+                //Get rid of newlines.
+                if (config.optimizeCss.indexOf(".keepLines") === -1) {
+                    fileContents = fileContents.replace(/[\r\n]/g, "");
+                    fileContents = fileContents.replace(/\s+/g, " ");
+                    fileContents = fileContents.replace(/\{\s/g, "{");
+                    fileContents = fileContents.replace(/\s\}/g, "}");
+                } else {
+                    //Remove multiple empty lines.
+                    fileContents = fileContents.replace(/(\r\n)+/g, "\r\n");
+                    fileContents = fileContents.replace(/(\n)+/g, "\n");
+                }
+            } catch (e) {
+                fileContents = originalFileContents;
+                logger.error("Could not optimized CSS file: " + fileName + ", error: " + e);
+            }
+
+            file.saveUtf8File(outFileName, fileContents);
+
+            //text output to stdout and/or written to build.txt file
+            buildText = "\n"+ outFileName.replace(config.dir, "") +"\n----------------\n";
+            flat.importList.push(fileName);
+            buildText += flat.importList.map(function(path){
+                return path.replace(config.dir, "");
+            }).join("\n");
+
+            return {
+                importList: flat.importList,
+                buildText: buildText +"\n"
+            };
+        },
+
+        /**
+         * Optimizes CSS files, inlining @import calls, stripping comments, and
+         * optionally removes line returns.
+         * @param {String} startDir the path to the top level directory
+         * @param {Object} config the config object with the optimizeCss and
+         * cssImportIgnore options.
+         */
+        css: function (startDir, config) {
+            var buildText = "",
+                importList = [],
+                shouldRemove = config.dir && config.removeCombined,
+                i, fileName, result, fileList;
+            if (config.optimizeCss.indexOf("standard") !== -1) {
+                fileList = file.getFilteredFileList(startDir, /\.css$/, true);
+                if (fileList) {
+                    for (i = 0; i < fileList.length; i++) {
+                        fileName = fileList[i];
+                        logger.trace("Optimizing (" + config.optimizeCss + ") CSS file: " + fileName);
+                        result = optimize.cssFile(fileName, fileName, config);
+                        buildText += result.buildText;
+                        if (shouldRemove) {
+                            result.importList.pop();
+                            importList = importList.concat(result.importList);
+                        }
+                    }
+                }
+
+                if (shouldRemove) {
+                    importList.forEach(function (path) {
+                        if (file.exists(path)) {
+                            file.deleteFile(path);
+                        }
+                    });
+                }
+            }
+            return buildText;
+        },
+
+        optimizers: {
+            uglify: function (fileName, fileContents, outFileName, keepLines, config) {
+                var parser = uglify.parser,
+                    processor = uglify.uglify,
+                    ast, errMessage, errMatch;
+
+                config = config || {};
+
+                logger.trace("Uglifying file: " + fileName);
+
+                try {
+                    ast = parser.parse(fileContents, config.strict_semicolons);
+                    if (config.no_mangle !== true) {
+                        ast = processor.ast_mangle(ast, config);
+                    }
+                    ast = processor.ast_squeeze(ast, config);
+
+                    fileContents = processor.gen_code(ast, config);
+
+                    if (config.max_line_length) {
+                        fileContents = processor.split_lines(fileContents, config.max_line_length);
+                    }
+
+                    //Add trailing semicolon to match uglifyjs command line version
+                    fileContents += ';';
+                } catch (e) {
+                    errMessage = e.toString();
+                    errMatch = /\nError(\r)?\n/.exec(errMessage);
+                    if (errMatch) {
+                        errMessage = errMessage.substring(0, errMatch.index);
+                    }
+                    throw new Error('Cannot uglify file: ' + fileName + '. Skipping it. Error is:\n' + errMessage);
+                }
+                return fileContents;
+            },
+            uglify2: function (fileName, fileContents, outFileName, keepLines, config) {
+                var result,
+                    uconfig = {},
+                    baseName = fileName && fileName.split('/').pop();
+
+                config = config || {};
+
+                lang.mixin(uconfig, config, true);
+
+                uconfig.fromString = true;
+
+                if (config.generateSourceMaps && outFileName) {
+                    uconfig.outSourceMap = baseName;
+                }
+
+                logger.trace("Uglify2 file: " + fileName);
+
+                try {
+                    result = uglify2.minify(fileContents, uconfig, baseName + '.src');
+
+                    if (uconfig.outSourceMap && result.map) {
+                        file.saveFile(outFileName + '.src', fileContents);
+                        file.saveFile(outFileName + '.map', result.map);
+                        fileContents = result.code + "\n//@ sourceMappingURL=" + baseName + ".map";
+                    } else {
+                        fileContents = result.code;
+                    }
+                } catch (e) {
+                    throw new Error('Cannot uglify2 file: ' + fileName + '. Skipping it. Error is:\n' + e.toString());
+                }
+                return fileContents;
+            }
+        }
+    };
+
+    return optimize;
+});
+/**
+ * @license RequireJS Copyright (c) 2010-2011, The Dojo Foundation All Rights Reserved.
+ * Available via the MIT or new BSD license.
+ * see: http://github.com/jrburke/requirejs for details
+ */
+/*
+ * This file patches require.js to communicate with the build system.
+ */
+
+//Using sloppy since this uses eval for some code like plugins,
+//which may not be strict mode compliant. So if use strict is used
+//below they will have strict rules applied and may cause an error.
+/*jslint sloppy: true, nomen: true, plusplus: true, regexp: true */
+/*global require, define: true */
+
+//NOT asking for require as a dependency since the goal is to modify the
+//global require below
+define('requirePatch', [ 'env!env/file', 'pragma', 'parse', 'lang', 'logger', 'commonJs', 'prim'], function (
+    file,
+    pragma,
+    parse,
+    lang,
+    logger,
+    commonJs,
+    prim
+) {
+
+    var allowRun = true,
+        hasProp = lang.hasProp,
+        falseProp = lang.falseProp,
+        getOwn = lang.getOwn;
+
+    //This method should be called when the patches to require should take hold.
+    return function () {
+        if (!allowRun) {
+            return;
+        }
+        allowRun = false;
+
+        var layer,
+            pluginBuilderRegExp = /(["']?)pluginBuilder(["']?)\s*[=\:]\s*["']([^'"\s]+)["']/,
+            oldNewContext = require.s.newContext,
+            oldDef,
+
+            //create local undefined values for module and exports,
+            //so that when files are evaled in this function they do not
+            //see the node values used for r.js
+            exports,
+            module;
+
+        /**
+         * Reset "global" build caches that are kept around between
+         * build layer builds. Useful to do when there are multiple
+         * top level requirejs.optimize() calls.
+         */
+        require._cacheReset = function () {
+            //Stored raw text caches, used by browser use.
+            require._cachedRawText = {};
+            //Stored cached file contents for reuse in other layers.
+            require._cachedFileContents = {};
+            //Store which cached files contain a require definition.
+            require._cachedDefinesRequireUrls = {};
+        };
+        require._cacheReset();
+
+        /**
+         * Makes sure the URL is something that can be supported by the
+         * optimization tool.
+         * @param {String} url
+         * @returns {Boolean}
+         */
+        require._isSupportedBuildUrl = function (url) {
+            //Ignore URLs with protocols, hosts or question marks, means either network
+            //access is needed to fetch it or it is too dynamic. Note that
+            //on Windows, full paths are used for some urls, which include
+            //the drive, like c:/something, so need to test for something other
+            //than just a colon.
+            if (url.indexOf("://") === -1 && url.indexOf("?") === -1 &&
+                    url.indexOf('empty:') !== 0 && url.indexOf('//') !== 0) {
+                return true;
+            } else {
+                if (!layer.ignoredUrls[url]) {
+                    if (url.indexOf('empty:') === -1) {
+                        logger.info('Cannot optimize network URL, skipping: ' + url);
+                    }
+                    layer.ignoredUrls[url] = true;
+                }
+                return false;
+            }
+        };
+
+        function normalizeUrlWithBase(context, moduleName, url) {
+            //Adjust the URL if it was not transformed to use baseUrl.
+            if (require.jsExtRegExp.test(moduleName)) {
+                url = (context.config.dir || context.config.dirBaseUrl) + url;
+            }
+            return url;
+        }
+
+        //Overrides the new context call to add existing tracking features.
+        require.s.newContext = function (name) {
+            var context = oldNewContext(name),
+                oldEnable = context.enable,
+                moduleProto = context.Module.prototype,
+                oldInit = moduleProto.init,
+                oldCallPlugin = moduleProto.callPlugin;
+
+            //Only do this for the context used for building.
+            if (name === '_') {
+                //For build contexts, do everything sync
+                context.nextTick = function (fn) {
+                    fn();
+                };
+
+                context.needFullExec = {};
+                context.fullExec = {};
+                context.plugins = {};
+                context.buildShimExports = {};
+
+                //Override the shim exports function generator to just
+                //spit out strings that can be used in the stringified
+                //build output.
+                context.makeShimExports = function (value) {
+                    function fn() {
+                        return '(function (global) {\n' +
+                            '    return function () {\n' +
+                            '        var ret, fn;\n' +
+                            (value.init ?
+                                    ('       fn = ' + value.init.toString() + ';\n' +
+                                    '        ret = fn.apply(global, arguments);\n') : '') +
+                            (value.exports ?
+                                    '        return ret || global.' + value.exports + ';\n' :
+                                    '        return ret;\n') +
+                            '    };\n' +
+                            '}(this))';
+                    }
+
+                    return fn;
+                };
+
+                context.enable = function (depMap, parent) {
+                    var id = depMap.id,
+                        parentId = parent && parent.map.id,
+                        needFullExec = context.needFullExec,
+                        fullExec = context.fullExec,
+                        mod = getOwn(context.registry, id);
+
+                    if (mod && !mod.defined) {
+                        if (parentId && getOwn(needFullExec, parentId)) {
+                            needFullExec[id] = true;
+                        }
+
+                    } else if ((getOwn(needFullExec, id) && falseProp(fullExec, id)) ||
+                               (parentId && getOwn(needFullExec, parentId) &&
+                                falseProp(fullExec, id))) {
+                        context.require.undef(id);
+                    }
+
+                    return oldEnable.apply(context, arguments);
+                };
+
+                //Override load so that the file paths can be collected.
+                context.load = function (moduleName, url) {
+                    /*jslint evil: true */
+                    var contents, pluginBuilderMatch, builderName,
+                        shim, shimExports;
+
+                    //Do not mark the url as fetched if it is
+                    //not an empty: URL, used by the optimizer.
+                    //In that case we need to be sure to call
+                    //load() for each module that is mapped to
+                    //empty: so that dependencies are satisfied
+                    //correctly.
+                    if (url.indexOf('empty:') === 0) {
+                        delete context.urlFetched[url];
+                    }
+
+                    //Only handle urls that can be inlined, so that means avoiding some
+                    //URLs like ones that require network access or may be too dynamic,
+                    //like JSONP
+                    if (require._isSupportedBuildUrl(url)) {
+                        //Adjust the URL if it was not transformed to use baseUrl.
+                        url = normalizeUrlWithBase(context, moduleName, url);
+
+                        //Save the module name to path  and path to module name mappings.
+                        layer.buildPathMap[moduleName] = url;
+                        layer.buildFileToModule[url] = moduleName;
+
+                        if (hasProp(context.plugins, moduleName)) {
+                            //plugins need to have their source evaled as-is.
+                            context.needFullExec[moduleName] = true;
+                        }
+
+                        prim().start(function () {
+                            if (hasProp(require._cachedFileContents, url) &&
+                                    (falseProp(context.needFullExec, moduleName) ||
+                                    getOwn(context.fullExec, moduleName))) {
+                                contents = require._cachedFileContents[url];
+
+                                //If it defines require, mark it so it can be hoisted.
+                                //Done here and in the else below, before the
+                                //else block removes code from the contents.
+                                //Related to #263
+                                if (!layer.existingRequireUrl && require._cachedDefinesRequireUrls[url]) {
+                                    layer.existingRequireUrl = url;
+                                }
+                            } else {
+                                //Load the file contents, process for conditionals, then
+                                //evaluate it.
+                                return require._cacheReadAsync(url).then(function (text) {
+                                    contents = text;
+
+                                    if (context.config.cjsTranslate) {
+                                        contents = commonJs.convert(url, contents);
+                                    }
+
+                                    //If there is a read filter, run it now.
+                                    if (context.config.onBuildRead) {
+                                        contents = context.config.onBuildRead(moduleName, url, contents);
+                                    }
+
+                                    contents = pragma.process(url, contents, context.config, 'OnExecute');
+
+                                    //Find out if the file contains a require() definition. Need to know
+                                    //this so we can inject plugins right after it, but before they are needed,
+                                    //and to make sure this file is first, so that define calls work.
+                                    try {
+                                        if (!layer.existingRequireUrl && parse.definesRequire(url, contents)) {
+                                            layer.existingRequireUrl = url;
+                                            require._cachedDefinesRequireUrls[url] = true;
+                                        }
+                                    } catch (e1) {
+                                        throw new Error('Parse error using esprima ' +
+                                                        'for file: ' + url + '\n' + e1);
+                                    }
+                                }).then(function () {
+                                    if (hasProp(context.plugins, moduleName)) {
+                                        //This is a loader plugin, check to see if it has a build extension,
+                                        //otherwise the plugin will act as the plugin builder too.
+                                        pluginBuilderMatch = pluginBuilderRegExp.exec(contents);
+                                        if (pluginBuilderMatch) {
+                                            //Load the plugin builder for the plugin contents.
+                                            builderName = context.makeModuleMap(pluginBuilderMatch[3],
+                                                                                context.makeModuleMap(moduleName),
+                                                                                null,
+                                                                                true).id;
+                                            return require._cacheReadAsync(context.nameToUrl(builderName));
+                                        }
+                                    }
+                                    return contents;
+                                }).then(function (text) {
+                                    contents = text;
+
+                                    //Parse out the require and define calls.
+                                    //Do this even for plugins in case they have their own
+                                    //dependencies that may be separate to how the pluginBuilder works.
+                                    try {
+                                        if (falseProp(context.needFullExec, moduleName)) {
+                                            contents = parse(moduleName, url, contents, {
+                                                insertNeedsDefine: true,
+                                                has: context.config.has,
+                                                findNestedDependencies: context.config.findNestedDependencies
+                                            });
+                                        }
+                                    } catch (e2) {
+                                        throw new Error('Parse error using esprima ' +
+                                                        'for file: ' + url + '\n' + e2);
+                                    }
+
+                                    require._cachedFileContents[url] = contents;
+                                });
+                            }
+                        }).then(function () {
+                            if (contents) {
+                                eval(contents);
+                            }
+
+                            try {
+                                //If have a string shim config, and this is
+                                //a fully executed module, try to see if
+                                //it created a variable in this eval scope
+                                if (getOwn(context.needFullExec, moduleName)) {
+                                    shim = getOwn(context.config.shim, moduleName);
+                                    if (shim && shim.exports) {
+                                        shimExports = eval(shim.exports);
+                                        if (typeof shimExports !== 'undefined') {
+                                            context.buildShimExports[moduleName] = shimExports;
+                                        }
+                                    }
+                                }
+
+                                //Need to close out completion of this module
+                                //so that listeners will get notified that it is available.
+                                context.completeLoad(moduleName);
+                            } catch (e) {
+                                //Track which module could not complete loading.
+                                if (!e.moduleTree) {
+                                    e.moduleTree = [];
+                                }
+                                e.moduleTree.push(moduleName);
+                                throw e;
+                            }
+                        }).then(null, function (eOuter) {
+
+                            if (!eOuter.fileName) {
+                                eOuter.fileName = url;
+                            }
+                            throw eOuter;
+                        }).end();
+                    } else {
+                        //With unsupported URLs still need to call completeLoad to
+                        //finish loading.
+                        context.completeLoad(moduleName);
+                    }
+                };
+
+                //Marks module has having a name, and optionally executes the
+                //callback, but only if it meets certain criteria.
+                context.execCb = function (name, cb, args, exports) {
+                    var buildShimExports = getOwn(layer.context.buildShimExports, name);
+
+                    if (buildShimExports) {
+                        return buildShimExports;
+                    } else if (cb.__requireJsBuild || getOwn(layer.context.needFullExec, name)) {
+                        return cb.apply(exports, args);
+                    }
+                    return undefined;
+                };
+
+                moduleProto.init = function (depMaps) {
+                    if (context.needFullExec[this.map.id]) {
+                        lang.each(depMaps, lang.bind(this, function (depMap) {
+                            if (typeof depMap === 'string') {
+                                depMap = context.makeModuleMap(depMap,
+                                               (this.map.isDefine ? this.map : this.map.parentMap));
+                            }
+
+                            if (!context.fullExec[depMap.id]) {
+                                context.require.undef(depMap.id);
+                            }
+                        }));
+                    }
+
+                    return oldInit.apply(this, arguments);
+                };
+
+                moduleProto.callPlugin = function () {
+                    var map = this.map,
+                        pluginMap = context.makeModuleMap(map.prefix),
+                        pluginId = pluginMap.id,
+                        pluginMod = getOwn(context.registry, pluginId);
+
+                    context.plugins[pluginId] = true;
+                    context.needFullExec[pluginId] = true;
+
+                    //If the module is not waiting to finish being defined,
+                    //undef it and start over, to get full execution.
+                    if (falseProp(context.fullExec, pluginId) && (!pluginMod || pluginMod.defined)) {
+                        context.require.undef(pluginMap.id);
+                    }
+
+                    return oldCallPlugin.apply(this, arguments);
+                };
+            }
+
+            return context;
+        };
+
+        //Clear up the existing context so that the newContext modifications
+        //above will be active.
+        delete require.s.contexts._;
+
+        /** Reset state for each build layer pass. */
+        require._buildReset = function () {
+            var oldContext = require.s.contexts._;
+
+            //Clear up the existing context.
+            delete require.s.contexts._;
+
+            //Set up new context, so the layer object can hold onto it.
+            require({});
+
+            layer = require._layer = {
+                buildPathMap: {},
+                buildFileToModule: {},
+                buildFilePaths: [],
+                pathAdded: {},
+                modulesWithNames: {},
+                needsDefine: {},
+                existingRequireUrl: "",
+                ignoredUrls: {},
+                context: require.s.contexts._
+            };
+
+            //Return the previous context in case it is needed, like for
+            //the basic config object.
+            return oldContext;
+        };
+
+        require._buildReset();
+
+        //Override define() to catch modules that just define an object, so that
+        //a dummy define call is not put in the build file for them. They do
+        //not end up getting defined via context.execCb, so we need to catch them
+        //at the define call.
+        oldDef = define;
+
+        //This function signature does not have to be exact, just match what we
+        //are looking for.
+        define = function (name) {
+            if (typeof name === "string" && falseProp(layer.needsDefine, name)) {
+                layer.modulesWithNames[name] = true;
+            }
+            return oldDef.apply(require, arguments);
+        };
+
+        define.amd = oldDef.amd;
+
+        //Add some utilities for plugins
+        require._readFile = file.readFile;
+        require._fileExists = function (path) {
+            return file.exists(path);
+        };
+
+        //Called when execManager runs for a dependency. Used to figure out
+        //what order of execution.
+        require.onResourceLoad = function (context, map) {
+            var id = map.id,
+                url;
+
+            //If build needed a full execution, indicate it
+            //has been done now. But only do it if the context is tracking
+            //that. Only valid for the context used in a build, not for
+            //other contexts being run, like for useLib, plain requirejs
+            //use in node/rhino.
+            if (context.needFullExec && getOwn(context.needFullExec, id)) {
+                context.fullExec[id] = true;
+            }
+
+            //A plugin.
+            if (map.prefix) {
+                if (falseProp(layer.pathAdded, id)) {
+                    layer.buildFilePaths.push(id);
+                    //For plugins the real path is not knowable, use the name
+                    //for both module to file and file to module mappings.
+                    layer.buildPathMap[id] = id;
+                    layer.buildFileToModule[id] = id;
+                    layer.modulesWithNames[id] = true;
+                    layer.pathAdded[id] = true;
+                }
+            } else if (map.url && require._isSupportedBuildUrl(map.url)) {
+                //If the url has not been added to the layer yet, and it
+                //is from an actual file that was loaded, add it now.
+                url = normalizeUrlWithBase(context, id, map.url);
+                if (!layer.pathAdded[url] && getOwn(layer.buildPathMap, id)) {
+                    //Remember the list of dependencies for this layer.
+                    layer.buildFilePaths.push(url);
+                    layer.pathAdded[url] = true;
+                }
+            }
+        };
+
+        //Called by output of the parse() function, when a file does not
+        //explicitly call define, probably just require, but the parse()
+        //function normalizes on define() for dependency mapping and file
+        //ordering works correctly.
+        require.needsDefine = function (moduleName) {
+            layer.needsDefine[moduleName] = true;
+        };
+    };
+});
+/**
+ * @license RequireJS Copyright (c) 2010-2011, The Dojo Foundation All Rights Reserved.
+ * Available via the MIT or new BSD license.
+ * see: http://github.com/jrburke/requirejs for details
+ */
+
+/*jslint */
+/*global define: false, console: false */
+
+define('commonJs', ['env!env/file', 'parse'], function (file, parse) {
+    'use strict';
+    var commonJs = {
+        //Set to false if you do not want this file to log. Useful in environments
+        //like node where you want the work to happen without noise.
+        useLog: true,
+
+        convertDir: function (commonJsPath, savePath) {
+            var fileList, i,
+                jsFileRegExp = /\.js$/,
+                fileName, convertedFileName, fileContents;
+
+            //Get list of files to convert.
+            fileList = file.getFilteredFileList(commonJsPath, /\w/, true);
+
+            //Normalize on front slashes and make sure the paths do not end in a slash.
+            commonJsPath = commonJsPath.replace(/\\/g, "/");
+            savePath = savePath.replace(/\\/g, "/");
+            if (commonJsPath.charAt(commonJsPath.length - 1) === "/") {
+                commonJsPath = commonJsPath.substring(0, commonJsPath.length - 1);
+            }
+            if (savePath.charAt(savePath.length - 1) === "/") {
+                savePath = savePath.substring(0, savePath.length - 1);
+            }
+
+            //Cycle through all the JS files and convert them.
+            if (!fileList || !fileList.length) {
+                if (commonJs.useLog) {
+                    if (commonJsPath === "convert") {
+                        //A request just to convert one file.
+                        console.log('\n\n' + commonJs.convert(savePath, file.readFile(savePath)));
+                    } else {
+                        console.log("No files to convert in directory: " + commonJsPath);
+                    }
+                }
+            } else {
+                for (i = 0; i < fileList.length; i++) {
+                    fileName = fileList[i];
+                    convertedFileName = fileName.replace(commonJsPath, savePath);
+
+                    //Handle JS files.
+                    if (jsFileRegExp.test(fileName)) {
+                        fileContents = file.readFile(fileName);
+                        fileContents = commonJs.convert(fileName, fileContents);
+                        file.saveUtf8File(convertedFileName, fileContents);
+                    } else {
+                        //Just copy the file over.
+                        file.copyFile(fileName, convertedFileName, true);
+                    }
+                }
+            }
+        },
+
+        /**
+         * Does the actual file conversion.
+         *
+         * @param {String} fileName the name of the file.
+         *
+         * @param {String} fileContents the contents of a file :)
+         *
+         * @returns {String} the converted contents
+         */
+        convert: function (fileName, fileContents) {
+            //Strip out comments.
+            try {
+                var preamble = '',
+                    commonJsProps = parse.usesCommonJs(fileName, fileContents);
+
+                //First see if the module is not already RequireJS-formatted.
+                if (parse.usesAmdOrRequireJs(fileName, fileContents) || !commonJsProps) {
+                    return fileContents;
+                }
+
+                if (commonJsProps.dirname || commonJsProps.filename) {
+                    preamble = 'var __filename = module.uri || "", ' +
+                               '__dirname = __filename.substring(0, __filename.lastIndexOf("/") + 1); ';
+                }
+
+                //Construct the wrapper boilerplate.
+                fileContents = 'define(function (require, exports, module) {' +
+                    preamble +
+                    fileContents +
+                    '\n});\n';
+
+            } catch (e) {
+                console.log("commonJs.convert: COULD NOT CONVERT: " + fileName + ", so skipping it. Error was: " + e);
+                return fileContents;
+            }
+
+            return fileContents;
+        }
+    };
+
+    return commonJs;
+});
+/**
+ * @license Copyright (c) 2010-2011, The Dojo Foundation All Rights Reserved.
+ * Available via the MIT or new BSD license.
+ * see: http://github.com/jrburke/requirejs for details
+ */
+
+/*jslint plusplus: true, nomen: true, regexp: true  */
+/*global define, requirejs */
+
+
+define('build', function (require) {
+    'use strict';
+
+    var build, buildBaseConfig,
+        lang = require('lang'),
+        prim = require('prim'),
+        logger = require('logger'),
+        file = require('env!env/file'),
+        parse = require('parse'),
+        optimize = require('optimize'),
+        pragma = require('pragma'),
+        transform = require('transform'),
+        requirePatch = require('requirePatch'),
+        env = require('env'),
+        quit = require('env!env/quit'),
+        commonJs = require('commonJs'),
+        hasProp = lang.hasProp,
+        getOwn = lang.getOwn,
+        falseProp = lang.falseProp,
+        endsWithSemiColonRegExp = /;\s*$/;
+
+    prim.nextTick = function (fn) {
+        fn();
+    };
+
+    //Now map require to the outermost requirejs, now that we have
+    //local dependencies for this module. The rest of the require use is
+    //manipulating the requirejs loader.
+    require = requirejs;
+
+    //Caching function for performance. Attached to
+    //require so it can be reused in requirePatch.js. _cachedRawText
+    //set up by requirePatch.js
+    require._cacheReadAsync = function (path, encoding) {
+        var d;
+
+        if (lang.hasProp(require._cachedRawText, path)) {
+            d = prim();
+            d.resolve(require._cachedRawText[path]);
+            return d.promise;
+        } else {
+            return file.readFileAsync(path, encoding).then(function (text) {
+                require._cachedRawText[path] = text;
+                return text;
+            });
+        }
+    };
+
+    buildBaseConfig = {
+        appDir: "",
+        pragmas: {},
+        paths: {},
+        optimize: "uglify",
+        optimizeCss: "standard.keepLines",
+        inlineText: true,
+        isBuild: true,
+        optimizeAllPluginResources: false,
+        findNestedDependencies: false,
+        preserveLicenseComments: true,
+        //By default, all files/directories are copied, unless
+        //they match this regexp, by default just excludes .folders
+        dirExclusionRegExp: file.dirExclusionRegExp,
+        _buildPathToModuleIndex: {}
+    };
+
+    /**
+     * Some JS may not be valid if concatenated with other JS, in particular
+     * the style of omitting semicolons and rely on ASI. Add a semicolon in
+     * those cases.
+     */
+    function addSemiColon(text) {
+        if (endsWithSemiColonRegExp.test(text)) {
+            return text;
+        } else {
+            return text + ";";
+        }
+    }
+
+    function endsWithSlash(dirName) {
+        if (dirName.charAt(dirName.length - 1) !== "/") {
+            dirName += "/";
+        }
+        return dirName;
+    }
+
+    //Method used by plugin writeFile calls, defined up here to avoid
+    //jslint warning about "making a function in a loop".
+    function makeWriteFile(namespace, layer) {
+        function writeFile(name, contents) {
+            logger.trace('Saving plugin-optimized file: ' + name);
+            file.saveUtf8File(name, contents);
+        }
+
+        writeFile.asModule = function (moduleName, fileName, contents) {
+            writeFile(fileName,
+                build.toTransport(namespace, moduleName, fileName, contents, layer));
+        };
+
+        return writeFile;
+    }
+
+    /**
+     * Main API entry point into the build. The args argument can either be
+     * an array of arguments (like the onese passed on a command-line),
+     * or it can be a JavaScript object that has the format of a build profile
+     * file.
+     *
+     * If it is an object, then in addition to the normal properties allowed in
+     * a build profile file, the object should contain one other property:
+     *
+     * The object could also contain a "buildFile" property, which is a string
+     * that is the file path to a build profile that contains the rest
+     * of the build profile directives.
+     *
+     * This function does not return a status, it should throw an error if
+     * there is a problem completing the build.
+     */
+    build = function (args) {
+        var buildFile, cmdConfig, errorMsg, errorStack, stackMatch, errorTree,
+            i, j, errorMod,
+            stackRegExp = /( {4}at[^\n]+)\n/,
+            standardIndent = '  ';
+
+        return prim().start(function () {
+            if (!args || lang.isArray(args)) {
+                if (!args || args.length < 1) {
+                    logger.error("build.js buildProfile.js\n" +
+                          "where buildProfile.js is the name of the build file (see example.build.js for hints on how to make a build file).");
+                    return undefined;
+                }
+
+                //Next args can include a build file path as well as other build args.
+                //build file path comes first. If it does not contain an = then it is
+                //a build file path. Otherwise, just all build args.
+                if (args[0].indexOf("=") === -1) {
+                    buildFile = args[0];
+                    args.splice(0, 1);
+                }
+
+                //Remaining args are options to the build
+                cmdConfig = build.convertArrayToObject(args);
+                cmdConfig.buildFile = buildFile;
+            } else {
+                cmdConfig = args;
+            }
+
+            return build._run(cmdConfig);
+        }).then(null, function (e) {
+            errorMsg = e.toString();
+            errorTree = e.moduleTree;
+            stackMatch = stackRegExp.exec(errorMsg);
+
+            if (stackMatch) {
+                errorMsg += errorMsg.substring(0, stackMatch.index + stackMatch[0].length + 1);
+            }
+
+            //If a module tree that shows what module triggered the error,
+            //print it out.
+            if (errorTree && errorTree.length > 0) {
+                errorMsg += '\nIn module tree:\n';
+
+                for (i = errorTree.length - 1; i > -1; i--) {
+                    errorMod = errorTree[i];
+                    if (errorMod) {
+                        for (j = errorTree.length - i; j > -1; j--) {
+                            errorMsg += standardIndent;
+                        }
+                        errorMsg += errorMod + '\n';
+                    }
+                }
+
+                logger.error(errorMsg);
+            }
+
+            errorStack = e.stack;
+
+            if (typeof args === 'string' && args.indexOf('stacktrace=true') !== -1) {
+                errorMsg += '\n' + errorStack;
+            } else {
+                if (!stackMatch && errorStack) {
+                    //Just trim out the first "at" in the stack.
+                    stackMatch = stackRegExp.exec(errorStack);
+                    if (stackMatch) {
+                        errorMsg += '\n' + stackMatch[0] || '';
+                    }
+                }
+            }
+
+            if (logger.level > logger.ERROR) {
+                throw new Error(errorMsg);
+            } else {
+                logger.error(errorMsg);
+                quit(1);
+            }
+        });
+    };
+
+    build._run = function (cmdConfig) {
+        var buildPaths, fileName, fileNames,
+            paths, i,
+            baseConfig, config,
+            modules, srcPath, buildContext,
+            destPath, moduleMap, parentModuleMap, context,
+            resources, resource, plugin, fileContents,
+            pluginProcessed = {},
+            buildFileContents = "",
+            pluginCollector = {};
+
+        return prim().start(function () {
+            var prop;
+
+            //Can now run the patches to require.js to allow it to be used for
+            //build generation. Do it here instead of at the top of the module
+            //because we want normal require behavior to load the build tool
+            //then want to switch to build mode.
+            requirePatch();
+
+            config = build.createConfig(cmdConfig);
+            paths = config.paths;
+
+            //Remove the previous build dir, in case it contains source transforms,
+            //like the ones done with onBuildRead and onBuildWrite.
+            if (config.dir && !config.keepBuildDir && file.exists(config.dir)) {
+                file.deleteFile(config.dir);
+            }
+
+            if (!config.out && !config.cssIn) {
+                //This is not just a one-off file build but a full build profile, with
+                //lots of files to process.
+
+                //First copy all the baseUrl content
+                file.copyDir((config.appDir || config.baseUrl), config.dir, /\w/, true);
+
+                //Adjust baseUrl if config.appDir is in play, and set up build output paths.
+                buildPaths = {};
+                if (config.appDir) {
+                    //All the paths should be inside the appDir, so just adjust
+                    //the paths to use the dirBaseUrl
+                    for (prop in paths) {
+                        if (hasProp(paths, prop)) {
+                            buildPaths[prop] = paths[prop].replace(config.appDir, config.dir);
+                        }
+                    }
+                } else {
+                    //If no appDir, then make sure to copy the other paths to this directory.
+                    for (prop in paths) {
+                        if (hasProp(paths, prop)) {
+                            //Set up build path for each path prefix, but only do so
+                            //if the path falls out of the current baseUrl
+                            if (paths[prop].indexOf(config.baseUrl) === 0) {
+                                buildPaths[prop] = paths[prop].replace(config.baseUrl, config.dirBaseUrl);
+                            } else {
+                                buildPaths[prop] = paths[prop] === 'empty:' ? 'empty:' : prop.replace(/\./g, "/");
+
+                                //Make sure source path is fully formed with baseUrl,
+                                //if it is a relative URL.
+                                srcPath = paths[prop];
+                                if (srcPath.indexOf('/') !== 0 && srcPath.indexOf(':') === -1) {
+                                    srcPath = config.baseUrl + srcPath;
+                                }
+
+                                destPath = config.dirBaseUrl + buildPaths[prop];
+
+                                //Skip empty: paths
+                                if (srcPath !== 'empty:') {
+                                    //If the srcPath is a directory, copy the whole directory.
+                                    if (file.exists(srcPath) && file.isDirectory(srcPath)) {
+                                        //Copy files to build area. Copy all files (the /\w/ regexp)
+                                        file.copyDir(srcPath, destPath, /\w/, true);
+                                    } else {
+                                        //Try a .js extension
+                                        srcPath += '.js';
+                                        destPath += '.js';
+                                        file.copyFile(srcPath, destPath);
+                                    }
+                                }
+                            }
+                        }
+                    }
+                }
+            }
+
+            //Figure out source file location for each module layer. Do this by seeding require
+            //with source area configuration. This is needed so that later the module layers
+            //can be manually copied over to the source area, since the build may be
+            //require multiple times and the above copyDir call only copies newer files.
+            require({
+                baseUrl: config.baseUrl,
+                paths: paths,
+                packagePaths: config.packagePaths,
+                packages: config.packages
+            });
+            buildContext = require.s.contexts._;
+            modules = config.modules;
+
+            if (modules) {
+                modules.forEach(function (module) {
+                    if (module.name) {
+                        module._sourcePath = buildContext.nameToUrl(module.name);
+                        //If the module does not exist, and this is not a "new" module layer,
+                        //as indicated by a true "create" property on the module, and
+                        //it is not a plugin-loaded resource, then throw an error.
+                        if (!file.exists(module._sourcePath) && !module.create &&
+                                module.name.indexOf('!') === -1) {
+                            throw new Error("ERROR: module path does not exist: " +
+                                            module._sourcePath + " for module named: " + module.name +
+                                            ". Path is relative to: " + file.absPath('.'));
+                        }
+                    }
+                });
+            }
+
+            if (config.out) {
+                //Just set up the _buildPath for the module layer.
+                require(config);
+                if (!config.cssIn) {
+                    config.modules[0]._buildPath = typeof config.out === 'function' ?
+                                                   'FUNCTION' : config.out;
+                }
+            } else if (!config.cssIn) {
+                //Now set up the config for require to use the build area, and calculate the
+                //build file locations. Pass along any config info too.
+                baseConfig = {
+                    baseUrl: config.dirBaseUrl,
+                    paths: buildPaths
+                };
+
+                lang.mixin(baseConfig, config);
+                require(baseConfig);
+
+                if (modules) {
+                    modules.forEach(function (module) {
+                        if (module.name) {
+                            module._buildPath = buildContext.nameToUrl(module.name, null);
+                            if (!module.create) {
+                                file.copyFile(module._sourcePath, module._buildPath);
+                            }
+                        }
+                    });
+                }
+            }
+
+            //Run CSS optimizations before doing JS module tracing, to allow
+            //things like text loader plugins loading CSS to get the optimized
+            //CSS.
+            if (config.optimizeCss && config.optimizeCss !== "none" && config.dir) {
+                buildFileContents += optimize.css(config.dir, config);
+            }
+        }).then(function () {
+            var actions = [];
+
+            if (modules) {
+                actions = modules.map(function (module, i) {
+                    return function () {
+                        //Save off buildPath to module index in a hash for quicker
+                        //lookup later.
+                        config._buildPathToModuleIndex[module._buildPath] = i;
+
+                        //Call require to calculate dependencies.
+                        return build.traceDependencies(module, config)
+                            .then(function (layer) {
+                                module.layer = layer;
+                            });
+                    };
+                });
+
+                return prim.serial(actions);
+            }
+        }).then(function () {
+            var actions;
+
+            if (modules) {
+                //Now build up shadow layers for anything that should be excluded.
+                //Do this after tracing dependencies for each module, in case one
+                //of those modules end up being one of the excluded values.
+                actions = modules.map(function (module) {
+                    return function () {
+                        if (module.exclude) {
+                            module.excludeLayers = [];
+                            return prim.serial(module.exclude.map(function (exclude, i) {
+                                return function () {
+                                    //See if it is already in the list of modules.
+                                    //If not trace dependencies for it.
+                                    var found = build.findBuildModule(exclude, modules);
+                                    if (found) {
+                                        module.excludeLayers[i] = found;
+                                    } else {
+                                        return build.traceDependencies({name: exclude}, config)
+                                            .then(function (layer) {
+                                                module.excludeLayers[i] = { layer: layer };
+                                            });
+                                    }
+                                };
+                            }));
+                        }
+                    };
+                });
+
+                return prim.serial(actions);
+            }
+        }).then(function () {
+            if (modules) {
+                return prim.serial(modules.map(function (module) {
+                    return function () {
+                        if (module.exclude) {
+                            //module.exclude is an array of module names. For each one,
+                            //get the nested dependencies for it via a matching entry
+                            //in the module.excludeLayers array.
+                            module.exclude.forEach(function (excludeModule, i) {
+                                var excludeLayer = module.excludeLayers[i].layer,
+                                    map = excludeLayer.buildFileToModule;
+                                excludeLayer.buildFilePaths.forEach(function(filePath){
+                                    build.removeModulePath(map[filePath], filePath, module.layer);
+                                });
+                            });
+                        }
+                        if (module.excludeShallow) {
+                            //module.excludeShallow is an array of module names.
+                            //shallow exclusions are just that module itself, and not
+                            //its nested dependencies.
+                            module.excludeShallow.forEach(function (excludeShallowModule) {
+                                var path = getOwn(module.layer.buildPathMap, excludeShallowModule);
+                                if (path) {
+                                    build.removeModulePath(excludeShallowModule, path, module.layer);
+                                }
+                            });
+                        }
+
+                        //Flatten them and collect the build output for each module.
+                        return build.flattenModule(module, module.layer, config).then(function (builtModule) {
+                            //Save it to a temp file for now, in case there are other layers that
+                            //contain optimized content that should not be included in later
+                            //layer optimizations. See issue #56.
+                            if (module._buildPath === 'FUNCTION') {
+                                module._buildText = builtModule.text;
+                            } else {
+                                file.saveUtf8File(module._buildPath + '-temp', builtModule.text);
+                            }
+                            buildFileContents += builtModule.buildText;
+                        });
+                    };
+                }));
+            }
+        }).then(function () {
+            var moduleName;
+            if (modules) {
+                //Now move the build layers to their final position.
+                modules.forEach(function (module) {
+                    var finalPath = module._buildPath;
+                    if (finalPath !== 'FUNCTION') {
+                        if (file.exists(finalPath)) {
+                            file.deleteFile(finalPath);
+                        }
+                        file.renameFile(finalPath + '-temp', finalPath);
+
+                        //And finally, if removeCombined is specified, remove
+                        //any of the files that were used in this layer.
+                        //Be sure not to remove other build layers.
+                        if (config.removeCombined) {
+                            module.layer.buildFilePaths.forEach(function (path) {
+                                if (file.exists(path) && !modules.some(function (mod) {
+                                        return mod._buildPath === path;
+                                    })) {
+                                    file.deleteFile(path);
+                                }
+                            });
+                        }
+                    }
+                });
+            }
+
+            //If removeCombined in play, remove any empty directories that
+            //may now exist because of its use
+            if (config.removeCombined && !config.out && config.dir) {
+                file.deleteEmptyDirs(config.dir);
+            }
+
+            //Do other optimizations.
+            if (config.out && !config.cssIn) {
+                //Just need to worry about one JS file.
+                fileName = config.modules[0]._buildPath;
+                if (fileName === 'FUNCTION') {
+                    config.modules[0]._buildText = optimize.js(fileName,
+                                                               config.modules[0]._buildText,
+                                                               null,
+                                                               config);
+                } else {
+                    optimize.jsFile(fileName, null, fileName, config);
+                }
+            } else if (!config.cssIn) {
+                //Normal optimizations across modules.
+
+                //JS optimizations.
+                fileNames = file.getFilteredFileList(config.dir, /\.js$/, true);
+                fileNames.forEach(function (fileName) {
+                    var cfg, override, moduleIndex;
+
+                    //Generate the module name from the config.dir root.
+                    moduleName = fileName.replace(config.dir, '');
+                    //Get rid of the extension
+                    moduleName = moduleName.substring(0, moduleName.length - 3);
+
+                    //If there is an override for a specific layer build module,
+                    //and this file is that module, mix in the override for use
+                    //by optimize.jsFile.
+                    moduleIndex = getOwn(config._buildPathToModuleIndex, fileName);
+                    //Normalize, since getOwn could have returned undefined
+                    moduleIndex = moduleIndex === 0 || moduleIndex > 0 ? moduleIndex : -1;
+
+                    //Try to avoid extra work if the other files do not need to
+                    //be read. Build layers should be processed at the very
+                    //least for optimization.
+                    if (moduleIndex > -1 || !config.skipDirOptimize ||
+                            config.normalizeDirDefines === "all" ||
+                            config.cjsTranslate) {
+                        //Convert the file to transport format, but without a name
+                        //inserted (by passing null for moduleName) since the files are
+                        //standalone, one module per file.
+                        fileContents = file.readFile(fileName);
+
+                        //For builds, if wanting cjs translation, do it now, so that
+                        //the individual modules can be loaded cross domain via
+                        //plain script tags.
+                        if (config.cjsTranslate) {
+                            fileContents = commonJs.convert(fileName, fileContents);
+                        }
+
+                        //Only do transport normalization if this is not a build
+                        //layer (since it was already normalized) and if
+                        //normalizeDirDefines indicated all should be done.
+                        if (moduleIndex === -1 && config.normalizeDirDefines === "all") {
+                            fileContents = build.toTransport(config.namespace,
+                                                         null,
+                                                         fileName,
+                                                         fileContents);
+                        }
+
+                        override = moduleIndex > -1 ?
+                                   config.modules[moduleIndex].override : null;
+                        if (override) {
+                            cfg = build.createOverrideConfig(config, override);
+                        } else {
+                            cfg = config;
+                        }
+
+                        if (moduleIndex > -1 || !config.skipDirOptimize) {
+                            optimize.jsFile(fileName, fileContents, fileName, cfg, pluginCollector);
+                        }
+                    }
+                });
+
+                //Normalize all the plugin resources.
+                context = require.s.contexts._;
+
+                for (moduleName in pluginCollector) {
+                    if (hasProp(pluginCollector, moduleName)) {
+                        parentModuleMap = context.makeModuleMap(moduleName);
+                        resources = pluginCollector[moduleName];
+                        for (i = 0; i < resources.length; i++) {
+                            resource = resources[i];
+                            moduleMap = context.makeModuleMap(resource, parentModuleMap);
+                            if (falseProp(context.plugins, moduleMap.prefix)) {
+                                //Set the value in context.plugins so it
+                                //will be evaluated as a full plugin.
+                                context.plugins[moduleMap.prefix] = true;
+
+                                //Do not bother if the plugin is not available.
+                                if (!file.exists(require.toUrl(moduleMap.prefix + '.js'))) {
+                                    continue;
+                                }
+
+                                //Rely on the require in the build environment
+                                //to be synchronous
+                                context.require([moduleMap.prefix]);
+
+                                //Now that the plugin is loaded, redo the moduleMap
+                                //since the plugin will need to normalize part of the path.
+                                moduleMap = context.makeModuleMap(resource, parentModuleMap);
+                            }
+
+                            //Only bother with plugin resources that can be handled
+                            //processed by the plugin, via support of the writeFile
+                            //method.
+                            if (falseProp(pluginProcessed, moduleMap.id)) {
+                                //Only do the work if the plugin was really loaded.
+                                //Using an internal access because the file may
+                                //not really be loaded.
+                                plugin = getOwn(context.defined, moduleMap.prefix);
+                                if (plugin && plugin.writeFile) {
+                                    plugin.writeFile(
+                                        moduleMap.prefix,
+                                        moduleMap.name,
+                                        require,
+                                        makeWriteFile(
+                                            config.namespace
+                                        ),
+                                        context.config
+                                    );
+                                }
+
+                                pluginProcessed[moduleMap.id] = true;
+                            }
+                        }
+
+                    }
+                }
+
+                //console.log('PLUGIN COLLECTOR: ' + JSON.stringify(pluginCollector, null, "  "));
+
+
+                //All module layers are done, write out the build.txt file.
+                file.saveUtf8File(config.dir + "build.txt", buildFileContents);
+            }
+
+            //If just have one CSS file to optimize, do that here.
+            if (config.cssIn) {
+                buildFileContents += optimize.cssFile(config.cssIn, config.out, config).buildText;
+            }
+
+            if (typeof config.out === 'function') {
+                config.out(config.modules[0]._buildText);
+            }
+
+            //Print out what was built into which layers.
+            if (buildFileContents) {
+                logger.info(buildFileContents);
+                return buildFileContents;
+            }
+
+            return '';
+        });
+    };
+
+    /**
+     * Converts command line args like "paths.foo=../some/path"
+     * result.paths = { foo: '../some/path' } where prop = paths,
+     * name = paths.foo and value = ../some/path, so it assumes the
+     * name=value splitting has already happened.
+     */
+    function stringDotToObj(result, name, value) {
+        var parts = name.split('.');
+
+        parts.forEach(function (prop, i) {
+            if (i === parts.length - 1) {
+                result[prop] = value;
+            } else {
+                if (falseProp(result, prop)) {
+                    result[prop] = {};
+                }
+                result = result[prop];
+            }
+
+        });
+    }
+
+    build.objProps = {
+        paths: true,
+        wrap: true,
+        pragmas: true,
+        pragmasOnSave: true,
+        has: true,
+        hasOnSave: true,
+        uglify: true,
+        uglify2: true,
+        closure: true,
+        map: true,
+        throwWhen: true
+    };
+
+    build.hasDotPropMatch = function (prop) {
+        var dotProp,
+            index = prop.indexOf('.');
+
+        if (index !== -1) {
+            dotProp = prop.substring(0, index);
+            return hasProp(build.objProps, dotProp);
+        }
+        return false;
+    };
+
+    /**
+     * Converts an array that has String members of "name=value"
+     * into an object, where the properties on the object are the names in the array.
+     * Also converts the strings "true" and "false" to booleans for the values.
+     * member name/value pairs, and converts some comma-separated lists into
+     * arrays.
+     * @param {Array} ary
+     */
+    build.convertArrayToObject = function (ary) {
+        var result = {}, i, separatorIndex, prop, value,
+            needArray = {
+                "include": true,
+                "exclude": true,
+                "excludeShallow": true,
+                "insertRequire": true
+            };
+
+        for (i = 0; i < ary.length; i++) {
+            separatorIndex = ary[i].indexOf("=");
+            if (separatorIndex === -1) {
+                throw "Malformed name/value pair: [" + ary[i] + "]. Format should be name=value";
+            }
+
+            value = ary[i].substring(separatorIndex + 1, ary[i].length);
+            if (value === "true") {
+                value = true;
+            } else if (value === "false") {
+                value = false;
+            }
+
+            prop = ary[i].substring(0, separatorIndex);
+
+            //Convert to array if necessary
+            if (getOwn(needArray, prop)) {
+                value = value.split(",");
+            }
+
+            if (build.hasDotPropMatch(prop)) {
+                stringDotToObj(result, prop, value);
+            } else {
+                result[prop] = value;
+            }
+        }
+        return result; //Object
+    };
+
+    build.makeAbsPath = function (path, absFilePath) {
+        if (!absFilePath) {
+            return path;
+        }
+
+        //Add abspath if necessary. If path starts with a slash or has a colon,
+        //then already is an abolute path.
+        if (path.indexOf('/') !== 0 && path.indexOf(':') === -1) {
+            path = absFilePath +
+                   (absFilePath.charAt(absFilePath.length - 1) === '/' ? '' : '/') +
+                   path;
+            path = file.normalize(path);
+        }
+        return path.replace(lang.backSlashRegExp, '/');
+    };
+
+    build.makeAbsObject = function (props, obj, absFilePath) {
+        var i, prop;
+        if (obj) {
+            for (i = 0; i < props.length; i++) {
+                prop = props[i];
+                if (hasProp(obj, prop) && typeof obj[prop] === 'string') {
+                    obj[prop] = build.makeAbsPath(obj[prop], absFilePath);
+                }
+            }
+        }
+    };
+
+    /**
+     * For any path in a possible config, make it absolute relative
+     * to the absFilePath passed in.
+     */
+    build.makeAbsConfig = function (config, absFilePath) {
+        var props, prop, i;
+
+        props = ["appDir", "dir", "baseUrl"];
+        for (i = 0; i < props.length; i++) {
+            prop = props[i];
+
+            if (getOwn(config, prop)) {
+                //Add abspath if necessary, make sure these paths end in
+                //slashes
+                if (prop === "baseUrl") {
+                    config.originalBaseUrl = config.baseUrl;
+                    if (config.appDir) {
+                        //If baseUrl with an appDir, the baseUrl is relative to
+                        //the appDir, *not* the absFilePath. appDir and dir are
+                        //made absolute before baseUrl, so this will work.
+                        config.baseUrl = build.makeAbsPath(config.originalBaseUrl, config.appDir);
+                    } else {
+                        //The dir output baseUrl is same as regular baseUrl, both
+                        //relative to the absFilePath.
+                        config.baseUrl = build.makeAbsPath(config[prop], absFilePath);
+                    }
+                } else {
+                    config[prop] = build.makeAbsPath(config[prop], absFilePath);
+                }
+
+                config[prop] = endsWithSlash(config[prop]);
+            }
+        }
+
+        build.makeAbsObject(["out", "cssIn"], config, absFilePath);
+        build.makeAbsObject(["startFile", "endFile"], config.wrap, absFilePath);
+    };
+
+    build.nestedMix = {
+        paths: true,
+        has: true,
+        hasOnSave: true,
+        pragmas: true,
+        pragmasOnSave: true
+    };
+
+    /**
+     * Mixes additional source config into target config, and merges some
+     * nested config, like paths, correctly.
+     */
+    function mixConfig(target, source) {
+        var prop, value;
+
+        for (prop in source) {
+            if (hasProp(source, prop)) {
+                //If the value of the property is a plain object, then
+                //allow a one-level-deep mixing of it.
+                value = source[prop];
+                if (typeof value === 'object' && value &&
+                        !lang.isArray(value) && !lang.isFunction(value) &&
+                        !lang.isRegExp(value)) {
+                    target[prop] = lang.mixin({}, target[prop], value, true);
+                } else {
+                    target[prop] = value;
+                }
+            }
+        }
+
+        //Set up log level since it can affect if errors are thrown
+        //or caught and passed to errbacks while doing config setup.
+        if (lang.hasProp(target, 'logLevel')) {
+            logger.logLevel(target.logLevel);
+        }
+    }
+
+    /**
+     * Converts a wrap.startFile or endFile to be start/end as a string.
+     * the startFile/endFile values can be arrays.
+     */
+    function flattenWrapFile(wrap, keyName, absFilePath) {
+        var keyFileName = keyName + 'File';
+
+        if (typeof wrap[keyName] !== 'string' && wrap[keyFileName]) {
+            wrap[keyName] = '';
+            if (typeof wrap[keyFileName] === 'string') {
+                wrap[keyFileName] = [wrap[keyFileName]];
+            }
+            wrap[keyFileName].forEach(function (fileName) {
+                wrap[keyName] += (wrap[keyName] ? '\n' : '') +
+                    file.readFile(build.makeAbsPath(fileName, absFilePath));
+            });
+        } else if (wrap[keyName] === null ||  wrap[keyName] === undefined) {
+            //Allow missing one, just set to empty string.
+            wrap[keyName] = '';
+        } else if (typeof wrap[keyName] !== 'string') {
+            throw new Error('wrap.' + keyName + ' or wrap.' + keyFileName + ' malformed');
+        }
+    }
+
+    /**
+     * Creates a config object for an optimization build.
+     * It will also read the build profile if it is available, to create
+     * the configuration.
+     *
+     * @param {Object} cfg config options that take priority
+     * over defaults and ones in the build file. These options could
+     * be from a command line, for instance.
+     *
+     * @param {Object} the created config object.
+     */
+    build.createConfig = function (cfg) {
+        /*jslint evil: true */
+        var config = {}, buildFileContents, buildFileConfig, mainConfig,
+            mainConfigFile, mainConfigPath, buildFile, absFilePath;
+
+        //Make sure all paths are relative to current directory.
+        absFilePath = file.absPath('.');
+        build.makeAbsConfig(cfg, absFilePath);
+        build.makeAbsConfig(buildBaseConfig, absFilePath);
+
+        lang.mixin(config, buildBaseConfig);
+        lang.mixin(config, cfg, true);
+
+        //Set up log level early since it can affect if errors are thrown
+        //or caught and passed to errbacks, even while constructing config.
+        if (lang.hasProp(config, 'logLevel')) {
+            logger.logLevel(config.logLevel);
+        }
+
+        if (config.buildFile) {
+            //A build file exists, load it to get more config.
+            buildFile = file.absPath(config.buildFile);
+
+            //Find the build file, and make sure it exists, if this is a build
+            //that has a build profile, and not just command line args with an in=path
+            if (!file.exists(buildFile)) {
+                throw new Error("ERROR: build file does not exist: " + buildFile);
+            }
+
+            absFilePath = config.baseUrl = file.absPath(file.parent(buildFile));
+
+            //Load build file options.
+            buildFileContents = file.readFile(buildFile);
+            try {
+                buildFileConfig = eval("(" + buildFileContents + ")");
+                build.makeAbsConfig(buildFileConfig, absFilePath);
+
+                //Mix in the config now so that items in mainConfigFile can
+                //be resolved relative to them if necessary, like if appDir
+                //is set here, but the baseUrl is in mainConfigFile. Will
+                //re-mix in the same build config later after mainConfigFile
+                //is processed, since build config should take priority.
+                mixConfig(config, buildFileConfig);
+            } catch (e) {
+                throw new Error("Build file " + buildFile + " is malformed: " + e);
+            }
+        }
+
+        mainConfigFile = config.mainConfigFile || (buildFileConfig && buildFileConfig.mainConfigFile);
+        if (mainConfigFile) {
+            mainConfigFile = build.makeAbsPath(mainConfigFile, absFilePath);
+            if (!file.exists(mainConfigFile)) {
+                throw new Error(mainConfigFile + ' does not exist.');
+            }
+            try {
+                mainConfig = parse.findConfig(file.readFile(mainConfigFile)).config;
+            } catch (configError) {
+                throw new Error('The config in mainConfigFile ' +
+                        mainConfigFile +
+                        ' cannot be used because it cannot be evaluated' +
+                        ' correctly while running in the optimizer. Try only' +
+                        ' using a config that is also valid JSON, or do not use' +
+                        ' mainConfigFile and instead copy the config values needed' +
+                        ' into a build file or command line arguments given to the optimizer.');
+            }
+            if (mainConfig) {
+                mainConfigPath = mainConfigFile.substring(0, mainConfigFile.lastIndexOf('/'));
+
+                //Add in some existing config, like appDir, since they can be
+                //used inside the mainConfigFile -- paths and baseUrl are
+                //relative to them.
+                if (config.appDir && !mainConfig.appDir) {
+                    mainConfig.appDir = config.appDir;
+                }
+
+                //If no baseUrl, then use the directory holding the main config.
+                if (!mainConfig.baseUrl) {
+                    mainConfig.baseUrl = mainConfigPath;
+                }
+
+                build.makeAbsConfig(mainConfig, mainConfigPath);
+                mixConfig(config, mainConfig);
+            }
+        }
+
+        //Mix in build file config, but only after mainConfig has been mixed in.
+        if (buildFileConfig) {
+            mixConfig(config, buildFileConfig);
+        }
+
+        //Re-apply the override config values. Command line
+        //args should take precedence over build file values.
+        mixConfig(config, cfg);
+
+        //Fix paths to full paths so that they can be adjusted consistently
+        //lately to be in the output area.
+        lang.eachProp(config.paths, function (value, prop) {
+            if (lang.isArray(value)) {
+                throw new Error('paths fallback not supported in optimizer. ' +
+                                'Please provide a build config path override ' +
+                                'for ' + prop);
+            }
+            config.paths[prop] = build.makeAbsPath(value, config.baseUrl);
+        });
+
+        //Set final output dir
+        if (hasProp(config, "baseUrl")) {
+            if (config.appDir) {
+                config.dirBaseUrl = build.makeAbsPath(config.originalBaseUrl, config.dir);
+            } else {
+                config.dirBaseUrl = config.dir || config.baseUrl;
+            }
+            //Make sure dirBaseUrl ends in a slash, since it is
+            //concatenated with other strings.
+            config.dirBaseUrl = endsWithSlash(config.dirBaseUrl);
+        }
+
+        //Check for errors in config
+        if (config.main) {
+            throw new Error('"main" passed as an option, but the ' +
+                            'supported option is called "name".');
+        }
+        if (!config.name && !config.modules && !config.include && !config.cssIn) {
+            throw new Error('Missing either a "name", "include" or "modules" ' +
+                            'option');
+        }
+        if (config.cssIn) {
+            if (config.dir || config.appDir) {
+                throw new Error('cssIn is only for the output of single file ' +
+                    'CSS optimizations and is not compatible with "dir" or "appDir" configuration.');
+            }
+            if (!config.out) {
+                throw new Error('"out" option missing.');
+            }
+        }
+        if (!config.cssIn && !config.baseUrl) {
+            //Just use the current directory as the baseUrl
+            config.baseUrl = './';
+        }
+        if (!config.out && !config.dir) {
+            throw new Error('Missing either an "out" or "dir" config value. ' +
+                            'If using "appDir" for a full project optimization, ' +
+                            'use "dir". If you want to optimize to one file, ' +
+                            'use "out".');
+        }
+        if (config.appDir && config.out) {
+            throw new Error('"appDir" is not compatible with "out". Use "dir" ' +
+                            'instead. appDir is used to copy whole projects, ' +
+                            'where "out" is used to just optimize to one file.');
+        }
+        if (config.out && config.dir) {
+            throw new Error('The "out" and "dir" options are incompatible.' +
+                            ' Use "out" if you are targeting a single file for' +
+                            ' for optimization, and "dir" if you want the appDir' +
+                            ' or baseUrl directories optimized.');
+        }
+        if (config.dir && config.appDir && config.dir === config.appDir) {
+            throw new Error('"dir" and "appDir" set to the same directory.' +
+                            ' This could result in the deletion of appDir.' +
+                            ' Stopping.');
+        }
+
+        if (config.insertRequire && !lang.isArray(config.insertRequire)) {
+            throw new Error('insertRequire should be a list of module IDs' +
+                            ' to insert in to a require([]) call.');
+        }
+
+        if (config.generateSourceMaps) {
+            if (config.preserveLicenseComments) {
+                throw new Error('Cannot use preserveLicenseComments and ' +
+                    'generateSourceMaps together. Either explcitly set ' +
+                    'preserveLicenseComments to false (default is true) or ' +
+                    'turn off generateSourceMaps. If you want source maps with ' +
+                    'license comments, see: ' +
+                    'http://requirejs.org/docs/errors.html#sourcemapcomments');
+            } else if (config.optimize !== 'none' &&
+                       config.optimize !== 'closure' &&
+                       config.optimize !== 'uglify2') {
+                //Allow optimize: none to pass, since it is useful when toggling
+                //minification on and off to debug something, and it implicitly
+                //works, since it does not need a source map.
+                throw new Error('optimize: "' + config.optimize +
+                    '" does not support generateSourceMaps.');
+            }
+        }
+
+        if ((config.name || config.include) && !config.modules) {
+            //Just need to build one file, but may be part of a whole appDir/
+            //baseUrl copy, but specified on the command line, so cannot do
+            //the modules array setup. So create a modules section in that
+            //case.
+            config.modules = [
+                {
+                    name: config.name,
+                    out: config.out,
+                    create: config.create,
+                    include: config.include,
+                    exclude: config.exclude,
+                    excludeShallow: config.excludeShallow,
+                    insertRequire: config.insertRequire,
+                    stubModules: config.stubModules
+                }
+            ];
+            delete config.stubModules;
+        } else if (config.modules && config.out) {
+            throw new Error('If the "modules" option is used, then there ' +
+                            'should be a "dir" option set and "out" should ' +
+                            'not be used since "out" is only for single file ' +
+                            'optimization output.');
+        } else if (config.modules && config.name) {
+            throw new Error('"name" and "modules" options are incompatible. ' +
+                            'Either use "name" if doing a single file ' +
+                            'optimization, or "modules" if you want to target ' +
+                            'more than one file for optimization.');
+        }
+
+        if (config.out && !config.cssIn) {
+            //Just one file to optimize.
+
+            //Does not have a build file, so set up some defaults.
+            //Optimizing CSS should not be allowed, unless explicitly
+            //asked for on command line. In that case the only task is
+            //to optimize a CSS file.
+            if (!cfg.optimizeCss) {
+                config.optimizeCss = "none";
+            }
+        }
+
+        //Normalize cssPrefix
+        if (config.cssPrefix) {
+            //Make sure cssPrefix ends in a slash
+            config.cssPrefix = endsWithSlash(config.cssPrefix);
+        } else {
+            config.cssPrefix = '';
+        }
+
+        //Cycle through modules and combine any local stubModules with
+        //global values.
+        if (config.modules && config.modules.length) {
+            config.modules.forEach(function (mod) {
+                if (config.stubModules) {
+                    mod.stubModules = config.stubModules.concat(mod.stubModules || []);
+                }
+
+                //Create a hash lookup for the stubModules config to make lookup
+                //cheaper later.
+                if (mod.stubModules) {
+                    mod.stubModules._byName = {};
+                    mod.stubModules.forEach(function (id) {
+                        mod.stubModules._byName[id] = true;
+                    });
+                }
+            });
+        }
+
+        //Get any wrap text.
+        try {
+            if (config.wrap) {
+                if (config.wrap === true) {
+                    //Use default values.
+                    config.wrap = {
+                        start: '(function () {',
+                        end: '}());'
+                    };
+                } else {
+                    flattenWrapFile(config.wrap, 'start', absFilePath);
+                    flattenWrapFile(config.wrap, 'end', absFilePath);
+                }
+            }
+        } catch (wrapError) {
+            throw new Error('Malformed wrap config: ' + wrapError.toString());
+        }
+
+        //Do final input verification
+        if (config.context) {
+            throw new Error('The build argument "context" is not supported' +
+                            ' in a build. It should only be used in web' +
+                            ' pages.');
+        }
+
+        //Set up normalizeDirDefines. If not explicitly set, if optimize "none",
+        //set to "skip" otherwise set to "all".
+        if (!hasProp(config, 'normalizeDirDefines')) {
+            if (config.optimize === 'none' || config.skipDirOptimize) {
+                config.normalizeDirDefines = 'skip';
+            } else {
+                config.normalizeDirDefines = 'all';
+            }
+        }
+
+        //Set file.fileExclusionRegExp if desired
+        if (hasProp(config, 'fileExclusionRegExp')) {
+            if (typeof config.fileExclusionRegExp === "string") {
+                file.exclusionRegExp = new RegExp(config.fileExclusionRegExp);
+            } else {
+                file.exclusionRegExp = config.fileExclusionRegExp;
+            }
+        } else if (hasProp(config, 'dirExclusionRegExp')) {
+            //Set file.dirExclusionRegExp if desired, this is the old
+            //name for fileExclusionRegExp before 1.0.2. Support for backwards
+            //compatibility
+            file.exclusionRegExp = config.dirExclusionRegExp;
+        }
+
+        //Remove things that may cause problems in the build.
+        delete config.jQuery;
+        delete config.enforceDefine;
+        delete config.urlArgs;
+
+        return config;
+    };
+
+    /**
+     * finds the module being built/optimized with the given moduleName,
+     * or returns null.
+     * @param {String} moduleName
+     * @param {Array} modules
+     * @returns {Object} the module object from the build profile, or null.
+     */
+    build.findBuildModule = function (moduleName, modules) {
+        var i, module;
+        for (i = 0; i < modules.length; i++) {
+            module = modules[i];
+            if (module.name === moduleName) {
+                return module;
+            }
+        }
+        return null;
+    };
+
+    /**
+     * Removes a module name and path from a layer, if it is supposed to be
+     * excluded from the layer.
+     * @param {String} moduleName the name of the module
+     * @param {String} path the file path for the module
+     * @param {Object} layer the layer to remove the module/path from
+     */
+    build.removeModulePath = function (module, path, layer) {
+        var index = layer.buildFilePaths.indexOf(path);
+        if (index !== -1) {
+            layer.buildFilePaths.splice(index, 1);
+        }
+    };
+
+    /**
+     * Uses the module build config object to trace the dependencies for the
+     * given module.
+     *
+     * @param {Object} module the module object from the build config info.
+     * @param {Object} the build config object.
+     *
+     * @returns {Object} layer information about what paths and modules should
+     * be in the flattened module.
+     */
+    build.traceDependencies = function (module, config) {
+        var include, override, layer, context, baseConfig, oldContext,
+            rawTextByIds,
+            syncChecks = {
+                rhino: true,
+                node: true,
+                xpconnect: true
+            },
+            deferred = prim();
+
+        //Reset some state set up in requirePatch.js, and clean up require's
+        //current context.
+        oldContext = require._buildReset();
+
+        //Grab the reset layer and context after the reset, but keep the
+        //old config to reuse in the new context.
+        baseConfig = oldContext.config;
+        layer = require._layer;
+        context = layer.context;
+
+        //Put back basic config, use a fresh object for it.
+        //WARNING: probably not robust for paths and packages/packagePaths,
+        //since those property's objects can be modified. But for basic
+        //config clone it works out.
+        require(lang.mixin({}, baseConfig, true));
+
+        logger.trace("\nTracing dependencies for: " + (module.name || module.out));
+        include = module.name && !module.create ? [module.name] : [];
+        if (module.include) {
+            include = include.concat(module.include);
+        }
+
+        //If there are overrides to basic config, set that up now.;
+        if (module.override) {
+            override = lang.mixin({}, baseConfig, true);
+            lang.mixin(override, module.override, true);
+            require(override);
+        }
+
+        //Now, populate the rawText cache with any values explicitly passed in
+        //via config.
+        rawTextByIds = require.s.contexts._.config.rawText;
+        if (rawTextByIds) {
+            lang.eachProp(rawTextByIds, function (contents, id) {
+                var url = require.toUrl(id) + '.js';
+                require._cachedRawText[url] = contents;
+            });
+        }
+
+        //Figure out module layer dependencies by calling require to do the work.
+        //Configure the callbacks to be called.
+        deferred.resolve.__requireJsBuild = true;
+        deferred.reject.__requireJsBuild = true;
+        require(include, deferred.resolve, deferred.reject);
+
+        //If a sync build environment, check for errors here, instead of
+        //in the then callback below, since some errors, like two IDs pointed
+        //to same URL but only one anon ID will leave the loader in an
+        //unresolved state since a setTimeout cannot be used to check for
+        //timeout.
+        if (syncChecks[env.get()]) {
+            try {
+                build.checkForErrors(context);
+            } catch (e) {
+                deferred.reject(e);
+            }
+        }
+
+        return deferred.promise.then(function () {
+            //Reset config
+            if (module.override) {
+                require(baseConfig);
+            }
+
+            build.checkForErrors(context);
+
+            return layer;
+        });
+    };
+
+    build.checkForErrors = function (context) {
+        //Check to see if it all loaded. If not, then throw, and give
+        //a message on what is left.
+        var id, prop, mod, errUrl, idParts, pluginId,
+            errMessage = '',
+            failedPluginMap = {},
+            failedPluginIds = [],
+            errIds = [],
+            errUrlMap = {},
+            errUrlConflicts = {},
+            hasErrUrl = false,
+            registry = context.registry;
+
+        for (id in registry) {
+            if (hasProp(registry, id) && id.indexOf('_@r') !== 0) {
+                mod = getOwn(registry, id);
+                if (id.indexOf('_unnormalized') === -1 && mod && mod.enabled) {
+                    errIds.push(id);
+                    errUrl = mod.map.url;
+
+                    if (errUrlMap[errUrl]) {
+                        hasErrUrl = true;
+                        //This error module has the same URL as another
+                        //error module, could be misconfiguration.
+                        if (!errUrlConflicts[errUrl]) {
+                            errUrlConflicts[errUrl] = [];
+                            //Store the original module that had the same URL.
+                            errUrlConflicts[errUrl].push(errUrlMap[errUrl]);
+                        }
+                        errUrlConflicts[errUrl].push(id);
+                    } else {
+                        errUrlMap[errUrl] = id;
+                    }
+                }
+
+                //Look for plugins that did not call load()
+                idParts = id.split('!');
+                pluginId = idParts[0];
+                if (idParts.length > 1 && falseProp(failedPluginMap, pluginId)) {
+                    failedPluginIds.push(pluginId);
+                    failedPluginMap[pluginId] = true;
+                }
+            }
+        }
+
+        if (errIds.length || failedPluginIds.length) {
+            if (failedPluginIds.length) {
+                errMessage += 'Loader plugin' +
+                    (failedPluginIds.length === 1 ? '' : 's') +
+                    ' did not call ' +
+                    'the load callback in the build: ' +
+                    failedPluginIds.join(', ') + '\n';
+            }
+            errMessage += 'Module loading did not complete for: ' + errIds.join(', ');
+
+            if (hasErrUrl) {
+                errMessage += '\nThe following modules share the same URL. This ' +
+                              'could be a misconfiguration if that URL only has ' +
+                              'one anonymous module in it:';
+                for (prop in errUrlConflicts) {
+                    if (hasProp(errUrlConflicts, prop)) {
+                        errMessage += '\n' + prop + ': ' +
+                                      errUrlConflicts[prop].join(', ');
+                    }
+                }
+            }
+            throw new Error(errMessage);
+        }
+
+    };
+
+    build.createOverrideConfig = function (config, override) {
+        var cfg = {};
+
+        lang.mixin(cfg, config, true);
+        lang.eachProp(override, function (value, prop) {
+            if (hasProp(build.objProps, prop)) {
+                //An object property, merge keys. Start a new object
+                //so that source object in config does not get modified.
+                cfg[prop] = {};
+                lang.mixin(cfg[prop], config[prop], true);
+                lang.mixin(cfg[prop], override[prop], true);
+            } else {
+                cfg[prop] = override[prop];
+            }
+        });
+        return cfg;
+    };
+
+    /**
+     * Uses the module build config object to create an flattened version
+     * of the module, with deep dependencies included.
+     *
+     * @param {Object} module the module object from the build config info.
+     *
+     * @param {Object} layer the layer object returned from build.traceDependencies.
+     *
+     * @param {Object} the build config object.
+     *
+     * @returns {Object} with two properties: "text", the text of the flattened
+     * module, and "buildText", a string of text representing which files were
+     * included in the flattened module text.
+     */
+    build.flattenModule = function (module, layer, config) {
+        var fileContents,
+            buildFileContents = '';
+
+        return prim().start(function () {
+            var reqIndex, currContents,
+                moduleName, shim, packageConfig, nonPackageName,
+                parts, builder, writeApi,
+                namespace, namespaceWithDot, stubModulesByName,
+                context = layer.context,
+                onLayerEnds = [],
+                onLayerEndAdded = {};
+
+            //Use override settings, particularly for pragmas
+            //Do this before the var readings since it reads config values.
+            if (module.override) {
+                config = build.createOverrideConfig(config, module.override);
+            }
+
+            namespace = config.namespace || '';
+            namespaceWithDot = namespace ? namespace + '.' : '';
+            stubModulesByName = (module.stubModules && module.stubModules._byName) || {};
+
+            //Start build output for the module.
+            buildFileContents += "\n" +
+                                 (config.dir ? module._buildPath.replace(config.dir, "") : module._buildPath) +
+                                 "\n----------------\n";
+
+            //If there was an existing file with require in it, hoist to the top.
+            if (layer.existingRequireUrl) {
+                reqIndex = layer.buildFilePaths.indexOf(layer.existingRequireUrl);
+                if (reqIndex !== -1) {
+                    layer.buildFilePaths.splice(reqIndex, 1);
+                    layer.buildFilePaths.unshift(layer.existingRequireUrl);
+                }
+            }
+
+            //Write the built module to disk, and build up the build output.
+            fileContents = "";
+            return prim.serial(layer.buildFilePaths.map(function (path) {
+                return function () {
+                    moduleName = layer.buildFileToModule[path];
+                    //If the moduleName is for a package main, then update it to the
+                    //real main value.
+                    packageConfig = layer.context.config.pkgs &&
+                                    getOwn(layer.context.config.pkgs, moduleName);
+                    if (packageConfig) {
+                        nonPackageName = moduleName;
+                        moduleName += '/' + packageConfig.main;
+                    }
+
+                    return prim().start(function () {
+                        //Figure out if the module is a result of a build plugin, and if so,
+                        //then delegate to that plugin.
+                        parts = context.makeModuleMap(moduleName);
+                        builder = parts.prefix && getOwn(context.defined, parts.prefix);
+                        if (builder) {
+                            if (builder.onLayerEnd && falseProp(onLayerEndAdded, parts.prefix)) {
+                                onLayerEnds.push(builder);
+                                onLayerEndAdded[parts.prefix] = true;
+                            }
+
+                            if (builder.write) {
+                                writeApi = function (input) {
+                                    fileContents += "\n" + addSemiColon(input);
+                                    if (config.onBuildWrite) {
+                                        fileContents = config.onBuildWrite(moduleName, path, fileContents);
+                                    }
+                                };
+                                writeApi.asModule = function (moduleName, input) {
+                                    fileContents += "\n" +
+                                        addSemiColon(build.toTransport(namespace, moduleName, path, input, layer, {
+                                            useSourceUrl: layer.context.config.useSourceUrl
+                                        }));
+                                    if (config.onBuildWrite) {
+                                        fileContents = config.onBuildWrite(moduleName, path, fileContents);
+                                    }
+                                };
+                                builder.write(parts.prefix, parts.name, writeApi);
+                            }
+                            return;
+                        } else {
+                            return prim().start(function () {
+                                if (hasProp(stubModulesByName, moduleName)) {
+                                    //Just want to insert a simple module definition instead
+                                    //of the source module. Useful for plugins that inline
+                                    //all their resources.
+                                    if (hasProp(layer.context.plugins, moduleName)) {
+                                        //Slightly different content for plugins, to indicate
+                                        //that dynamic loading will not work.
+                                        return 'define({load: function(id){throw new Error("Dynamic load not allowed: " + id);}});';
+                                    } else {
+                                        return 'define({});';
+                                    }
+                                } else {
+                                    return require._cacheReadAsync(path);
+                                }
+                            }).then(function (text) {
+                                var hasPackageName;
+
+                                currContents = text;
+
+                                if (config.cjsTranslate) {
+                                    currContents = commonJs.convert(path, currContents);
+                                }
+
+                                if (config.onBuildRead) {
+                                    currContents = config.onBuildRead(moduleName, path, currContents);
+                                }
+
+                                if (packageConfig) {
+                                    hasPackageName = (nonPackageName === parse.getNamedDefine(currContents));
+                                }
+
+                                if (namespace) {
+                                    currContents = pragma.namespace(currContents, namespace);
+                                }
+
+                                currContents = build.toTransport(namespace, moduleName, path, currContents, layer, {
+                                    useSourceUrl: config.useSourceUrl
+                                });
+
+                                if (packageConfig && !hasPackageName) {
+                                    currContents = addSemiColon(currContents) + '\n';
+                                    currContents += namespaceWithDot + "define('" +
+                                                    packageConfig.name + "', ['" + moduleName +
+                                                    "'], function (main) { return main; });\n";
+                                }
+
+                                if (config.onBuildWrite) {
+                                    currContents = config.onBuildWrite(moduleName, path, currContents);
+                                }
+
+                                //Semicolon is for files that are not well formed when
+                                //concatenated with other content.
+                                fileContents += "\n" + addSemiColon(currContents);
+                            });
+                        }
+                    }).then(function () {
+                        buildFileContents += path.replace(config.dir, "") + "\n";
+                        //Some files may not have declared a require module, and if so,
+                        //put in a placeholder call so the require does not try to load them
+                        //after the module is processed.
+                        //If we have a name, but no defined module, then add in the placeholder.
+                        if (moduleName && falseProp(layer.modulesWithNames, moduleName) && !config.skipModuleInsertion) {
+                            shim = config.shim && (getOwn(config.shim, moduleName) || (packageConfig && getOwn(config.shim, nonPackageName)));
+                            if (shim) {
+                                fileContents += '\n' + namespaceWithDot + 'define("' + moduleName + '", ' +
+                                                 (shim.deps && shim.deps.length ?
+                                                        build.makeJsArrayString(shim.deps) + ', ' : '') +
+                                                 (shim.exportsFn ? shim.exportsFn() : 'function(){}') +
+                                                 ');\n';
+                            } else {
+                                fileContents += '\n' + namespaceWithDot + 'define("' + moduleName + '", function(){});\n';
+                            }
+                        }
+                    });
+                };
+            })).then(function () {
+                if (onLayerEnds.length) {
+                    onLayerEnds.forEach(function (builder) {
+                        var path;
+                        if (typeof module.out === 'string') {
+                            path = module.out;
+                        } else if (typeof module._buildPath === 'string') {
+                            path = module._buildPath;
+                        }
+                        builder.onLayerEnd(function (input) {
+                            fileContents += "\n" + addSemiColon(input);
+                        }, {
+                            name: module.name,
+                            path: path
+                        });
+                    });
+                }
+
+                //Add a require at the end to kick start module execution, if that
+                //was desired. Usually this is only specified when using small shim
+                //loaders like almond.
+                if (module.insertRequire) {
+                    fileContents += '\n' + namespaceWithDot + 'require(["' + module.insertRequire.join('", "') + '"]);\n';
+                }
+            });
+        }).then(function () {
+            return {
+                text: config.wrap ?
+                        config.wrap.start + fileContents + config.wrap.end :
+                        fileContents,
+                buildText: buildFileContents
+            };
+        });
+    };
+
+    //Converts an JS array of strings to a string representation.
+    //Not using JSON.stringify() for Rhino's sake.
+    build.makeJsArrayString = function (ary) {
+        return '["' + ary.map(function (item) {
+            //Escape any double quotes, backslashes
+            return lang.jsEscape(item);
+        }).join('","') + '"]';
+    };
+
+    build.toTransport = function (namespace, moduleName, path, contents, layer, options) {
+        var baseUrl = layer && layer.context.config.baseUrl;
+
+        function onFound(info) {
+            //Only mark this module as having a name if not a named module,
+            //or if a named module and the name matches expectations.
+            if (layer && (info.needsId || info.foundId === moduleName)) {
+                layer.modulesWithNames[moduleName] = true;
+            }
+        }
+
+        //Convert path to be a local one to the baseUrl, useful for
+        //useSourceUrl.
+        if (baseUrl) {
+            path = path.replace(baseUrl, '');
+        }
+
+        return transform.toTransport(namespace, moduleName, path, contents, onFound, options);
+    };
+
+    return build;
+});
+
+    }
+
+
+    /**
+     * Sets the default baseUrl for requirejs to be directory of top level
+     * script.
+     */
+    function setBaseUrl(fileName) {
+        //Use the file name's directory as the baseUrl if available.
+        dir = fileName.replace(/\\/g, '/');
+        if (dir.indexOf('/') !== -1) {
+            dir = dir.split('/');
+            dir.pop();
+            dir = dir.join('/');
+            exec("require({baseUrl: '" + dir + "'});");
+        }
+    }
+
+    function createRjsApi() {
+        //Create a method that will run the optimzer given an object
+        //config.
+        requirejs.optimize = function (config, callback, errback) {
+            if (!loadedOptimizedLib) {
+                loadLib();
+                loadedOptimizedLib = true;
+            }
+
+            //Create the function that will be called once build modules
+            //have been loaded.
+            var runBuild = function (build, logger) {
+                //Make sure config has a log level, and if not,
+                //make it "silent" by default.
+                config.logLevel = config.hasOwnProperty('logLevel') ?
+                                  config.logLevel : logger.SILENT;
+
+                //Reset build internals first in case this is part
+                //of a long-running server process that could have
+                //exceptioned out in a bad state. It is only defined
+                //after the first call though.
+                if (requirejs._buildReset) {
+                    requirejs._buildReset();
+                    requirejs._cacheReset();
+                }
+
+                function done(result) {
+                    //And clean up, in case something else triggers
+                    //a build in another pathway.
+                    if (requirejs._buildReset) {
+                        requirejs._buildReset();
+                        requirejs._cacheReset();
+                    }
+
+                    // Ensure errors get propagated to the errback
+                    if (result instanceof Error) {
+                      throw result;
+                    }
+
+                    return result;
+                }
+
+                build(config).then(done, done).then(callback, errback);
+            };
+
+            requirejs({
+                context: 'build'
+            }, ['build', 'logger'], runBuild);
+        };
+
+        requirejs.tools = {
+            useLib: function (contextName, callback) {
+                if (!callback) {
+                    callback = contextName;
+                    contextName = 'uselib';
+                }
+
+                if (!useLibLoaded[contextName]) {
+                    loadLib();
+                    useLibLoaded[contextName] = true;
+                }
+
+                var req = requirejs({
+                    context: contextName
+                });
+
+                req(['build'], function () {
+                    callback(req);
+                });
+            }
+        };
+
+        requirejs.define = define;
+    }
+
+    //If in Node, and included via a require('requirejs'), just export and
+    //THROW IT ON THE GROUND!
+    if (env === 'node' && reqMain !== module) {
+        setBaseUrl(path.resolve(reqMain ? reqMain.filename : '.'));
+
+        createRjsApi();
+
+        module.exports = requirejs;
+        return;
+    } else if (env === 'browser') {
+        //Only option is to use the API.
+        setBaseUrl(location.href);
+        createRjsApi();
+        return;
+    } else if ((env === 'rhino' || env === 'xpconnect') &&
+            //User sets up requirejsAsLib variable to indicate it is loaded
+            //via load() to be used as a library.
+            typeof requirejsAsLib !== 'undefined' && requirejsAsLib) {
+        //This script is loaded via rhino's load() method, expose the
+        //API and get out.
+        setBaseUrl(fileName);
+        createRjsApi();
+        return;
+    }
+
+    if (commandOption === 'o') {
+        //Do the optimizer work.
+        loadLib();
+
+        /**
+ * @license Copyright (c) 2010-2011, The Dojo Foundation All Rights Reserved.
+ * Available via the MIT or new BSD license.
+ * see: http://github.com/jrburke/requirejs for details
+ */
+
+/*
+ * Create a build.js file that has the build options you want and pass that
+ * build file to this file to do the build. See example.build.js for more information.
+ */
+
+/*jslint strict: false, nomen: false */
+/*global require: false */
+
+require({
+    baseUrl: require.s.contexts._.config.baseUrl,
+    //Use a separate context than the default context so that the
+    //build can use the default context.
+    context: 'build',
+    catchError: {
+        define: true
+    }
+},       ['env!env/args', 'build'],
+function (args,            build) {
+    build(args);
+});
+
+
+    } else if (commandOption === 'v') {
+        console.log('r.js: ' + version + ', RequireJS: ' + this.requirejsVars.require.version);
+    } else if (commandOption === 'convert') {
+        loadLib();
+
+        this.requirejsVars.require(['env!env/args', 'commonJs', 'env!env/print'],
+            function (args, commonJs, print) {
+
+                var srcDir, outDir;
+                srcDir = args[0];
+                outDir = args[1];
+
+                if (!srcDir || !outDir) {
+                    print('Usage: path/to/commonjs/modules output/dir');
+                    return;
+                }
+
+                commonJs.convertDir(args[0], args[1]);
+            });
+    } else {
+        //Just run an app
+
+        //Load the bundled libraries for use in the app.
+        if (commandOption === 'lib') {
+            loadLib();
+        }
+
+        setBaseUrl(fileName);
+
+        if (exists(fileName)) {
+            exec(readFile(fileName), fileName);
+        } else {
+            showHelp();
+        }
+    }
+
+}((typeof console !== 'undefined' ? console : undefined),
+    (typeof Packages !== 'undefined' || (typeof window === 'undefined' &&
+        typeof Components !== 'undefined' && Components.interfaces) ?
+        Array.prototype.slice.call(arguments, 0) : []),
+    (typeof readFile !== 'undefined' ? readFile : undefined)));
