added imthresh

1 files changed, 10401 insertions, 0 deletions

diff --git a/share/frontend/imthresh/deps/opt/ace/worker-javascript.js b/share/frontend/imthresh/deps/opt/ace/worker-javascript.js
new file mode 100644
index 0000000..75bad90
--- /dev/null
+++ b/share/frontend/imthresh/deps/opt/ace/worker-javascript.js
@@ -0,0 +1,10401 @@
+"no use strict";
+
+var console = {
+    log: function(msg) {
+        postMessage({type: "log", data: msg});
+    }
+};
+var window = {
+    console: console
+};
+
+var normalizeModule = function(parentId, moduleName) {
+    // normalize plugin requires
+    if (moduleName.indexOf("!") !== -1) {
+        var chunks = moduleName.split("!");
+        return normalizeModule(parentId, chunks[0]) + "!" + normalizeModule(parentId, chunks[1]);
+    }
+    // normalize relative requires
+    if (moduleName.charAt(0) == ".") {
+        var base = parentId.split("/").slice(0, -1).join("/");
+        var moduleName = base + "/" + moduleName;
+        
+        while(moduleName.indexOf(".") !== -1 && previous != moduleName) {
+            var previous = moduleName;
+            var moduleName = moduleName.replace(/\/\.\//, "/").replace(/[^\/]+\/\.\.\//, "");
+        }
+    }
+    
+    return moduleName;
+};
+
+var require = function(parentId, id) {
+    var id = normalizeModule(parentId, id);
+    
+    var module = require.modules[id];
+    if (module) {
+        if (!module.initialized) {
+            module.exports = module.factory().exports;
+            module.initialized = true;
+        }
+        return module.exports;
+    }
+    
+    var chunks = id.split("/");
+    chunks[0] = require.tlns[chunks[0]] || chunks[0];
+    var path = chunks.join("/") + ".js";
+    
+    require.id = id;
+    importScripts(path);
+    return require(parentId, id);    
+};
+
+require.modules = {};
+require.tlns = {};
+
+var define = function(id, deps, factory) {
+    if (arguments.length == 2) {
+        factory = deps;
+    } else if (arguments.length == 1) {
+        factory = id;
+        id = require.id;
+    }
+
+    if (id.indexOf("text!") === 0) 
+        return;
+    
+    var req = function(deps, factory) {
+        return require(id, deps, factory);
+    };
+
+    require.modules[id] = {
+        factory: function() {
+            var module = {
+                exports: {}
+            };
+            var returnExports = factory(req, module.exports, module);
+            if (returnExports)
+                module.exports = returnExports;
+            return module;
+        }
+    };
+};
+
+function initBaseUrls(topLevelNamespaces) {
+    require.tlns = topLevelNamespaces;
+}
+
+function initSender() {
+
+    var EventEmitter = require(null, "ace/lib/event_emitter").EventEmitter;
+    var oop = require(null, "ace/lib/oop");
+    
+    var Sender = function() {};
+    
+    (function() {
+        
+        oop.implement(this, EventEmitter);
+                
+        this.callback = function(data, callbackId) {
+            postMessage({
+                type: "call",
+                id: callbackId,
+                data: data
+            });
+        };
+    
+        this.emit = function(name, data) {
+            postMessage({
+                type: "event",
+                name: name,
+                data: data
+            });
+        };
+        
+    }).call(Sender.prototype);
+    
+    return new Sender();
+}
+
+var main;
+var sender;
+
+onmessage = function(e) {
+    var msg = e.data;
+    if (msg.command) {
+        main[msg.command].apply(main, msg.args);
+    }
+    else if (msg.init) {        
+        initBaseUrls(msg.tlns);
+        require(null, "ace/lib/fixoldbrowsers");
+        sender = initSender();
+        var clazz = require(null, msg.module)[msg.classname];
+        main = new clazz(sender);
+    } 
+    else if (msg.event && sender) {
+        sender._emit(msg.event, msg.data);
+    }
+};
+// vim:set ts=4 sts=4 sw=4 st:
+// -- kriskowal Kris Kowal Copyright (C) 2009-2010 MIT License
+// -- tlrobinson Tom Robinson Copyright (C) 2009-2010 MIT License (Narwhal Project)
+// -- dantman Daniel Friesen Copyright(C) 2010 XXX No License Specified
+// -- fschaefer Florian Schäfer Copyright (C) 2010 MIT License
+// -- Irakli Gozalishvili Copyright (C) 2010 MIT License
+
+/*!
+    Copyright (c) 2009, 280 North Inc. http://280north.com/
+    MIT License. http://github.com/280north/narwhal/blob/master/README.md
+*/
+
+define('ace/lib/fixoldbrowsers', ['require', 'exports', 'module' , 'ace/lib/regexp', 'ace/lib/es5-shim'], function(require, exports, module) {
+
+
+require("./regexp");
+require("./es5-shim");
+
+});
+ 
+define('ace/lib/regexp', ['require', 'exports', 'module' ], function(require, exports, module) {
+
+
+    //---------------------------------
+    //  Private variables
+    //---------------------------------
+
+    var real = {
+            exec: RegExp.prototype.exec,
+            test: RegExp.prototype.test,
+            match: String.prototype.match,
+            replace: String.prototype.replace,
+            split: String.prototype.split
+        },
+        compliantExecNpcg = real.exec.call(/()??/, "")[1] === undefined, // check `exec` handling of nonparticipating capturing groups
+        compliantLastIndexIncrement = function () {
+            var x = /^/g;
+            real.test.call(x, "");
+            return !x.lastIndex;
+        }();
+
+    if (compliantLastIndexIncrement && compliantExecNpcg)
+        return;
+
+    //---------------------------------
+    //  Overriden native methods
+    //---------------------------------
+
+    // Adds named capture support (with backreferences returned as `result.name`), and fixes two
+    // cross-browser issues per ES3:
+    // - Captured values for nonparticipating capturing groups should be returned as `undefined`,
+    //   rather than the empty string.
+    // - `lastIndex` should not be incremented after zero-length matches.
+    RegExp.prototype.exec = function (str) {
+        var match = real.exec.apply(this, arguments),
+            name, r2;
+        if ( typeof(str) == 'string' && match) {
+            // Fix browsers whose `exec` methods don't consistently return `undefined` for
+            // nonparticipating capturing groups
+            if (!compliantExecNpcg && match.length > 1 && indexOf(match, "") > -1) {
+                r2 = RegExp(this.source, real.replace.call(getNativeFlags(this), "g", ""));
+                // Using `str.slice(match.index)` rather than `match[0]` in case lookahead allowed
+                // matching due to characters outside the match
+                real.replace.call(str.slice(match.index), r2, function () {
+                    for (var i = 1; i < arguments.length - 2; i++) {
+                        if (arguments[i] === undefined)
+                            match[i] = undefined;
+                    }
+                });
+            }
+            // Attach named capture properties
+            if (this._xregexp && this._xregexp.captureNames) {
+                for (var i = 1; i < match.length; i++) {
+                    name = this._xregexp.captureNames[i - 1];
+                    if (name)
+                       match[name] = match[i];
+                }
+            }
+            // Fix browsers that increment `lastIndex` after zero-length matches
+            if (!compliantLastIndexIncrement && this.global && !match[0].length && (this.lastIndex > match.index))
+                this.lastIndex--;
+        }
+        return match;
+    };
+
+    // Don't override `test` if it won't change anything
+    if (!compliantLastIndexIncrement) {
+        // Fix browser bug in native method
+        RegExp.prototype.test = function (str) {
+            // Use the native `exec` to skip some processing overhead, even though the overriden
+            // `exec` would take care of the `lastIndex` fix
+            var match = real.exec.call(this, str);
+            // Fix browsers that increment `lastIndex` after zero-length matches
+            if (match && this.global && !match[0].length && (this.lastIndex > match.index))
+                this.lastIndex--;
+            return !!match;
+        };
+    }
+
+    //---------------------------------
+    //  Private helper functions
+    //---------------------------------
+
+    function getNativeFlags (regex) {
+        return (regex.global     ? "g" : "") +
+               (regex.ignoreCase ? "i" : "") +
+               (regex.multiline  ? "m" : "") +
+               (regex.extended   ? "x" : "") + // Proposed for ES4; included in AS3
+               (regex.sticky     ? "y" : "");
+    };
+
+    function indexOf (array, item, from) {
+        if (Array.prototype.indexOf) // Use the native array method if available
+            return array.indexOf(item, from);
+        for (var i = from || 0; i < array.length; i++) {
+            if (array[i] === item)
+                return i;
+        }
+        return -1;
+    };
+
+});
+// vim: ts=4 sts=4 sw=4 expandtab
+// -- kriskowal Kris Kowal Copyright (C) 2009-2011 MIT License
+// -- tlrobinson Tom Robinson Copyright (C) 2009-2010 MIT License (Narwhal Project)
+// -- dantman Daniel Friesen Copyright (C) 2010 XXX TODO License or CLA
+// -- fschaefer Florian Schäfer Copyright (C) 2010 MIT License
+// -- Gozala Irakli Gozalishvili Copyright (C) 2010 MIT License
+// -- kitcambridge Kit Cambridge Copyright (C) 2011 MIT License
+// -- kossnocorp Sasha Koss XXX TODO License or CLA
+// -- bryanforbes Bryan Forbes XXX TODO License or CLA
+// -- killdream Quildreen Motta Copyright (C) 2011 MIT Licence
+// -- michaelficarra Michael Ficarra Copyright (C) 2011 3-clause BSD License
+// -- sharkbrainguy Gerard Paapu Copyright (C) 2011 MIT License
+// -- bbqsrc Brendan Molloy (C) 2011 Creative Commons Zero (public domain)
+// -- iwyg XXX TODO License or CLA
+// -- DomenicDenicola Domenic Denicola Copyright (C) 2011 MIT License
+// -- xavierm02 Montillet Xavier XXX TODO License or CLA
+// -- Raynos Raynos XXX TODO License or CLA
+// -- samsonjs Sami Samhuri Copyright (C) 2010 MIT License
+// -- rwldrn Rick Waldron Copyright (C) 2011 MIT License
+// -- lexer Alexey Zakharov XXX TODO License or CLA
+
+/*!
+    Copyright (c) 2009, 280 North Inc. http://280north.com/
+    MIT License. http://github.com/280north/narwhal/blob/master/README.md
+*/
+
+define('ace/lib/es5-shim', ['require', 'exports', 'module' ], function(require, exports, module) {
+
+/*
+ * Brings an environment as close to ECMAScript 5 compliance
+ * as is possible with the facilities of erstwhile engines.
+ *
+ * Annotated ES5: http://es5.github.com/ (specific links below)
+ * ES5 Spec: http://www.ecma-international.org/publications/files/ECMA-ST/Ecma-262.pdf
+ *
+ * @module
+ */
+
+/*whatsupdoc*/
+
+//
+// Function
+// ========
+//
+
+// ES-5 15.3.4.5
+// http://es5.github.com/#x15.3.4.5
+
+if (!Function.prototype.bind) {
+    Function.prototype.bind = function bind(that) { // .length is 1
+        // 1. Let Target be the this value.
+        var target = this;
+        // 2. If IsCallable(Target) is false, throw a TypeError exception.
+        if (typeof target != "function")
+            throw new TypeError(); // TODO message
+        // 3. Let A be a new (possibly empty) internal list of all of the
+        //   argument values provided after thisArg (arg1, arg2 etc), in order.
+        // XXX slicedArgs will stand in for "A" if used
+        var args = slice.call(arguments, 1); // for normal call
+        // 4. Let F be a new native ECMAScript object.
+        // 11. Set the [[Prototype]] internal property of F to the standard
+        //   built-in Function prototype object as specified in 15.3.3.1.
+        // 12. Set the [[Call]] internal property of F as described in
+        //   15.3.4.5.1.
+        // 13. Set the [[Construct]] internal property of F as described in
+        //   15.3.4.5.2.
+        // 14. Set the [[HasInstance]] internal property of F as described in
+        //   15.3.4.5.3.
+        var bound = function () {
+
+            if (this instanceof bound) {
+                // 15.3.4.5.2 [[Construct]]
+                // When the [[Construct]] internal method of a function object,
+                // F that was created using the bind function is called with a
+                // list of arguments ExtraArgs, the following steps are taken:
+                // 1. Let target be the value of F's [[TargetFunction]]
+                //   internal property.
+                // 2. If target has no [[Construct]] internal method, a
+                //   TypeError exception is thrown.
+                // 3. Let boundArgs be the value of F's [[BoundArgs]] internal
+                //   property.
+                // 4. Let args be a new list containing the same values as the
+                //   list boundArgs in the same order followed by the same
+                //   values as the list ExtraArgs in the same order.
+                // 5. Return the result of calling the [[Construct]] internal 
+                //   method of target providing args as the arguments.
+
+                var F = function(){};
+                F.prototype = target.prototype;
+                var self = new F;
+
+                var result = target.apply(
+                    self,
+                    args.concat(slice.call(arguments))
+                );
+                if (result !== null && Object(result) === result)
+                    return result;
+                return self;
+
+            } else {
+                // 15.3.4.5.1 [[Call]]
+                // When the [[Call]] internal method of a function object, F,
+                // which was created using the bind function is called with a
+                // this value and a list of arguments ExtraArgs, the following
+                // steps are taken:
+                // 1. Let boundArgs be the value of F's [[BoundArgs]] internal
+                //   property.
+                // 2. Let boundThis be the value of F's [[BoundThis]] internal
+                //   property.
+                // 3. Let target be the value of F's [[TargetFunction]] internal
+                //   property.
+                // 4. Let args be a new list containing the same values as the 
+                //   list boundArgs in the same order followed by the same 
+                //   values as the list ExtraArgs in the same order.
+                // 5. Return the result of calling the [[Call]] internal method 
+                //   of target providing boundThis as the this value and 
+                //   providing args as the arguments.
+
+                // equiv: target.call(this, ...boundArgs, ...args)
+                return target.apply(
+                    that,
+                    args.concat(slice.call(arguments))
+                );
+
+            }
+
+        };
+        // XXX bound.length is never writable, so don't even try
+        //
+        // 15. If the [[Class]] internal property of Target is "Function", then
+        //     a. Let L be the length property of Target minus the length of A.
+        //     b. Set the length own property of F to either 0 or L, whichever is 
+        //       larger.
+        // 16. Else set the length own property of F to 0.
+        // 17. Set the attributes of the length own property of F to the values
+        //   specified in 15.3.5.1.
+
+        // TODO
+        // 18. Set the [[Extensible]] internal property of F to true.
+        
+        // TODO
+        // 19. Let thrower be the [[ThrowTypeError]] function Object (13.2.3).
+        // 20. Call the [[DefineOwnProperty]] internal method of F with 
+        //   arguments "caller", PropertyDescriptor {[[Get]]: thrower, [[Set]]:
+        //   thrower, [[Enumerable]]: false, [[Configurable]]: false}, and 
+        //   false.
+        // 21. Call the [[DefineOwnProperty]] internal method of F with 
+        //   arguments "arguments", PropertyDescriptor {[[Get]]: thrower, 
+        //   [[Set]]: thrower, [[Enumerable]]: false, [[Configurable]]: false},
+        //   and false.
+
+        // TODO
+        // NOTE Function objects created using Function.prototype.bind do not 
+        // have a prototype property or the [[Code]], [[FormalParameters]], and
+        // [[Scope]] internal properties.
+        // XXX can't delete prototype in pure-js.
+
+        // 22. Return F.
+        return bound;
+    };
+}
+
+// Shortcut to an often accessed properties, in order to avoid multiple
+// dereference that costs universally.
+// _Please note: Shortcuts are defined after `Function.prototype.bind` as we
+// us it in defining shortcuts.
+var call = Function.prototype.call;
+var prototypeOfArray = Array.prototype;
+var prototypeOfObject = Object.prototype;
+var slice = prototypeOfArray.slice;
+var toString = call.bind(prototypeOfObject.toString);
+var owns = call.bind(prototypeOfObject.hasOwnProperty);
+
+// If JS engine supports accessors creating shortcuts.
+var defineGetter;
+var defineSetter;
+var lookupGetter;
+var lookupSetter;
+var supportsAccessors;
+if ((supportsAccessors = owns(prototypeOfObject, "__defineGetter__"))) {
+    defineGetter = call.bind(prototypeOfObject.__defineGetter__);
+    defineSetter = call.bind(prototypeOfObject.__defineSetter__);
+    lookupGetter = call.bind(prototypeOfObject.__lookupGetter__);
+    lookupSetter = call.bind(prototypeOfObject.__lookupSetter__);
+}
+
+//
+// Array
+// =====
+//
+
+// ES5 15.4.3.2
+// http://es5.github.com/#x15.4.3.2
+// https://developer.mozilla.org/en/JavaScript/Reference/Global_Objects/Array/isArray
+if (!Array.isArray) {
+    Array.isArray = function isArray(obj) {
+        return toString(obj) == "[object Array]";
+    };
+}
+
+// The IsCallable() check in the Array functions
+// has been replaced with a strict check on the
+// internal class of the object to trap cases where
+// the provided function was actually a regular
+// expression literal, which in V8 and
+// JavaScriptCore is a typeof "function".  Only in
+// V8 are regular expression literals permitted as
+// reduce parameters, so it is desirable in the
+// general case for the shim to match the more
+// strict and common behavior of rejecting regular
+// expressions.
+
+// ES5 15.4.4.18
+// http://es5.github.com/#x15.4.4.18
+// https://developer.mozilla.org/en/JavaScript/Reference/Global_Objects/array/forEach
+if (!Array.prototype.forEach) {
+    Array.prototype.forEach = function forEach(fun /*, thisp*/) {
+        var self = toObject(this),
+            thisp = arguments[1],
+            i = 0,
+            length = self.length >>> 0;
+
+        // If no callback function or if callback is not a callable function
+        if (toString(fun) != "[object Function]") {
+            throw new TypeError(); // TODO message
+        }
+
+        while (i < length) {
+            if (i in self) {
+                // Invoke the callback function with call, passing arguments:
+                // context, property value, property key, thisArg object context
+                fun.call(thisp, self[i], i, self);
+            }
+            i++;
+        }
+    };
+}
+
+// ES5 15.4.4.19
+// http://es5.github.com/#x15.4.4.19
+// https://developer.mozilla.org/en/Core_JavaScript_1.5_Reference/Objects/Array/map
+if (!Array.prototype.map) {
+    Array.prototype.map = function map(fun /*, thisp*/) {
+        var self = toObject(this),
+            length = self.length >>> 0,
+            result = Array(length),
+            thisp = arguments[1];
+
+        // If no callback function or if callback is not a callable function
+        if (toString(fun) != "[object Function]") {
+            throw new TypeError(); // TODO message
+        }
+
+        for (var i = 0; i < length; i++) {
+            if (i in self)
+                result[i] = fun.call(thisp, self[i], i, self);
+        }
+        return result;
+    };
+}
+
+// ES5 15.4.4.20
+// http://es5.github.com/#x15.4.4.20
+// https://developer.mozilla.org/en/Core_JavaScript_1.5_Reference/Objects/Array/filter
+if (!Array.prototype.filter) {
+    Array.prototype.filter = function filter(fun /*, thisp */) {
+        var self = toObject(this),
+            length = self.length >>> 0,
+            result = [],
+            thisp = arguments[1];
+
+        // If no callback function or if callback is not a callable function
+        if (toString(fun) != "[object Function]") {
+            throw new TypeError(); // TODO message
+        }
+
+        for (var i = 0; i < length; i++) {
+            if (i in self && fun.call(thisp, self[i], i, self))
+                result.push(self[i]);
+        }
+        return result;
+    };
+}
+
+// ES5 15.4.4.16
+// http://es5.github.com/#x15.4.4.16
+// https://developer.mozilla.org/en/JavaScript/Reference/Global_Objects/Array/every
+if (!Array.prototype.every) {
+    Array.prototype.every = function every(fun /*, thisp */) {
+        var self = toObject(this),
+            length = self.length >>> 0,
+            thisp = arguments[1];
+
+        // If no callback function or if callback is not a callable function
+        if (toString(fun) != "[object Function]") {
+            throw new TypeError(); // TODO message
+        }
+
+        for (var i = 0; i < length; i++) {
+            if (i in self && !fun.call(thisp, self[i], i, self))
+                return false;
+        }
+        return true;
+    };
+}
+
+// ES5 15.4.4.17
+// http://es5.github.com/#x15.4.4.17
+// https://developer.mozilla.org/en/JavaScript/Reference/Global_Objects/Array/some
+if (!Array.prototype.some) {
+    Array.prototype.some = function some(fun /*, thisp */) {
+        var self = toObject(this),
+            length = self.length >>> 0,
+            thisp = arguments[1];
+
+        // If no callback function or if callback is not a callable function
+        if (toString(fun) != "[object Function]") {
+            throw new TypeError(); // TODO message
+        }
+
+        for (var i = 0; i < length; i++) {
+            if (i in self && fun.call(thisp, self[i], i, self))
+                return true;
+        }
+        return false;
+    };
+}
+
+// ES5 15.4.4.21
+// http://es5.github.com/#x15.4.4.21
+// https://developer.mozilla.org/en/Core_JavaScript_1.5_Reference/Objects/Array/reduce
+if (!Array.prototype.reduce) {
+    Array.prototype.reduce = function reduce(fun /*, initial*/) {
+        var self = toObject(this),
+            length = self.length >>> 0;
+
+        // If no callback function or if callback is not a callable function
+        if (toString(fun) != "[object Function]") {
+            throw new TypeError(); // TODO message
+        }
+
+        // no value to return if no initial value and an empty array
+        if (!length && arguments.length == 1)
+            throw new TypeError(); // TODO message
+
+        var i = 0;
+        var result;
+        if (arguments.length >= 2) {
+            result = arguments[1];
+        } else {
+            do {
+                if (i in self) {
+                    result = self[i++];
+                    break;
+                }
+
+                // if array contains no values, no initial value to return
+                if (++i >= length)
+                    throw new TypeError(); // TODO message
+            } while (true);
+        }
+
+        for (; i < length; i++) {
+            if (i in self)
+                result = fun.call(void 0, result, self[i], i, self);
+        }
+
+        return result;
+    };
+}
+
+// ES5 15.4.4.22
+// http://es5.github.com/#x15.4.4.22
+// https://developer.mozilla.org/en/Core_JavaScript_1.5_Reference/Objects/Array/reduceRight
+if (!Array.prototype.reduceRight) {
+    Array.prototype.reduceRight = function reduceRight(fun /*, initial*/) {
+        var self = toObject(this),
+            length = self.length >>> 0;
+
+        // If no callback function or if callback is not a callable function
+        if (toString(fun) != "[object Function]") {
+            throw new TypeError(); // TODO message
+        }
+
+        // no value to return if no initial value, empty array
+        if (!length && arguments.length == 1)
+            throw new TypeError(); // TODO message
+
+        var result, i = length - 1;
+        if (arguments.length >= 2) {
+            result = arguments[1];
+        } else {
+            do {
+                if (i in self) {
+                    result = self[i--];
+                    break;
+                }
+
+                // if array contains no values, no initial value to return
+                if (--i < 0)
+                    throw new TypeError(); // TODO message
+            } while (true);
+        }
+
+        do {
+            if (i in this)
+                result = fun.call(void 0, result, self[i], i, self);
+        } while (i--);
+
+        return result;
+    };
+}
+
+// ES5 15.4.4.14
+// http://es5.github.com/#x15.4.4.14
+// https://developer.mozilla.org/en/JavaScript/Reference/Global_Objects/Array/indexOf
+if (!Array.prototype.indexOf) {
+    Array.prototype.indexOf = function indexOf(sought /*, fromIndex */ ) {
+        var self = toObject(this),
+            length = self.length >>> 0;
+
+        if (!length)
+            return -1;
+
+        var i = 0;
+        if (arguments.length > 1)
+            i = toInteger(arguments[1]);
+
+        // handle negative indices
+        i = i >= 0 ? i : Math.max(0, length + i);
+        for (; i < length; i++) {
+            if (i in self && self[i] === sought) {
+                return i;
+            }
+        }
+        return -1;
+    };
+}
+
+// ES5 15.4.4.15
+// http://es5.github.com/#x15.4.4.15
+// https://developer.mozilla.org/en/JavaScript/Reference/Global_Objects/Array/lastIndexOf
+if (!Array.prototype.lastIndexOf) {
+    Array.prototype.lastIndexOf = function lastIndexOf(sought /*, fromIndex */) {
+        var self = toObject(this),
+            length = self.length >>> 0;
+
+        if (!length)
+            return -1;
+        var i = length - 1;
+        if (arguments.length > 1)
+            i = Math.min(i, toInteger(arguments[1]));
+        // handle negative indices
+        i = i >= 0 ? i : length - Math.abs(i);
+        for (; i >= 0; i--) {
+            if (i in self && sought === self[i])
+                return i;
+        }
+        return -1;
+    };
+}
+
+//
+// Object
+// ======
+//
+
+// ES5 15.2.3.2
+// http://es5.github.com/#x15.2.3.2
+if (!Object.getPrototypeOf) {
+    // https://github.com/kriskowal/es5-shim/issues#issue/2
+    // http://ejohn.org/blog/objectgetprototypeof/
+    // recommended by fschaefer on github
+    Object.getPrototypeOf = function getPrototypeOf(object) {
+        return object.__proto__ || (
+            object.constructor ?
+            object.constructor.prototype :
+            prototypeOfObject
+        );
+    };
+}
+
+// ES5 15.2.3.3
+// http://es5.github.com/#x15.2.3.3
+if (!Object.getOwnPropertyDescriptor) {
+    var ERR_NON_OBJECT = "Object.getOwnPropertyDescriptor called on a " +
+                         "non-object: ";
+    Object.getOwnPropertyDescriptor = function getOwnPropertyDescriptor(object, property) {
+        if ((typeof object != "object" && typeof object != "function") || object === null)
+            throw new TypeError(ERR_NON_OBJECT + object);
+        // If object does not owns property return undefined immediately.
+        if (!owns(object, property))
+            return;
+
+        var descriptor, getter, setter;
+
+        // If object has a property then it's for sure both `enumerable` and
+        // `configurable`.
+        descriptor =  { enumerable: true, configurable: true };
+
+        // If JS engine supports accessor properties then property may be a
+        // getter or setter.
+        if (supportsAccessors) {
+            // Unfortunately `__lookupGetter__` will return a getter even
+            // if object has own non getter property along with a same named
+            // inherited getter. To avoid misbehavior we temporary remove
+            // `__proto__` so that `__lookupGetter__` will return getter only
+            // if it's owned by an object.
+            var prototype = object.__proto__;
+            object.__proto__ = prototypeOfObject;
+
+            var getter = lookupGetter(object, property);
+            var setter = lookupSetter(object, property);
+
+            // Once we have getter and setter we can put values back.
+            object.__proto__ = prototype;
+
+            if (getter || setter) {
+                if (getter) descriptor.get = getter;
+                if (setter) descriptor.set = setter;
+
+                // If it was accessor property we're done and return here
+                // in order to avoid adding `value` to the descriptor.
+                return descriptor;
+            }
+        }
+
+        // If we got this far we know that object has an own property that is
+        // not an accessor so we set it as a value and return descriptor.
+        descriptor.value = object[property];
+        return descriptor;
+    };
+}
+
+// ES5 15.2.3.4
+// http://es5.github.com/#x15.2.3.4
+if (!Object.getOwnPropertyNames) {
+    Object.getOwnPropertyNames = function getOwnPropertyNames(object) {
+        return Object.keys(object);
+    };
+}
+
+// ES5 15.2.3.5
+// http://es5.github.com/#x15.2.3.5
+if (!Object.create) {
+    Object.create = function create(prototype, properties) {
+        var object;
+        if (prototype === null) {
+            object = { "__proto__": null };
+        } else {
+            if (typeof prototype != "object")
+                throw new TypeError("typeof prototype["+(typeof prototype)+"] != 'object'");
+            var Type = function () {};
+            Type.prototype = prototype;
+            object = new Type();
+            // IE has no built-in implementation of `Object.getPrototypeOf`
+            // neither `__proto__`, but this manually setting `__proto__` will
+            // guarantee that `Object.getPrototypeOf` will work as expected with
+            // objects created using `Object.create`
+            object.__proto__ = prototype;
+        }
+        if (properties !== void 0)
+            Object.defineProperties(object, properties);
+        return object;
+    };
+}
+
+// ES5 15.2.3.6
+// http://es5.github.com/#x15.2.3.6
+
+// Patch for WebKit and IE8 standard mode
+// Designed by hax <hax.github.com>
+// related issue: https://github.com/kriskowal/es5-shim/issues#issue/5
+// IE8 Reference:
+//     http://msdn.microsoft.com/en-us/library/dd282900.aspx
+//     http://msdn.microsoft.com/en-us/library/dd229916.aspx
+// WebKit Bugs:
+//     https://bugs.webkit.org/show_bug.cgi?id=36423
+
+function doesDefinePropertyWork(object) {
+    try {
+        Object.defineProperty(object, "sentinel", {});
+        return "sentinel" in object;
+    } catch (exception) {
+        // returns falsy
+    }
+}
+
+// check whether defineProperty works if it's given. Otherwise,
+// shim partially.
+if (Object.defineProperty) {
+    var definePropertyWorksOnObject = doesDefinePropertyWork({});
+    var definePropertyWorksOnDom = typeof document == "undefined" ||
+        doesDefinePropertyWork(document.createElement("div"));
+    if (!definePropertyWorksOnObject || !definePropertyWorksOnDom) {
+        var definePropertyFallback = Object.defineProperty;
+    }
+}
+
+if (!Object.defineProperty || definePropertyFallback) {
+    var ERR_NON_OBJECT_DESCRIPTOR = "Property description must be an object: ";
+    var ERR_NON_OBJECT_TARGET = "Object.defineProperty called on non-object: "
+    var ERR_ACCESSORS_NOT_SUPPORTED = "getters & setters can not be defined " +
+                                      "on this javascript engine";
+
+    Object.defineProperty = function defineProperty(object, property, descriptor) {
+        if ((typeof object != "object" && typeof object != "function") || object === null)
+            throw new TypeError(ERR_NON_OBJECT_TARGET + object);
+        if ((typeof descriptor != "object" && typeof descriptor != "function") || descriptor === null)
+            throw new TypeError(ERR_NON_OBJECT_DESCRIPTOR + descriptor);
+
+        // make a valiant attempt to use the real defineProperty
+        // for I8's DOM elements.
+        if (definePropertyFallback) {
+            try {
+                return definePropertyFallback.call(Object, object, property, descriptor);
+            } catch (exception) {
+                // try the shim if the real one doesn't work
+            }
+        }
+
+        // If it's a data property.
+        if (owns(descriptor, "value")) {
+            // fail silently if "writable", "enumerable", or "configurable"
+            // are requested but not supported
+            /*
+            // alternate approach:
+            if ( // can't implement these features; allow false but not true
+                !(owns(descriptor, "writable") ? descriptor.writable : true) ||
+                !(owns(descriptor, "enumerable") ? descriptor.enumerable : true) ||
+                !(owns(descriptor, "configurable") ? descriptor.configurable : true)
+            )
+                throw new RangeError(
+                    "This implementation of Object.defineProperty does not " +
+                    "support configurable, enumerable, or writable."
+                );
+            */
+
+            if (supportsAccessors && (lookupGetter(object, property) ||
+                                      lookupSetter(object, property)))
+            {
+                // As accessors are supported only on engines implementing
+                // `__proto__` we can safely override `__proto__` while defining
+                // a property to make sure that we don't hit an inherited
+                // accessor.
+                var prototype = object.__proto__;
+                object.__proto__ = prototypeOfObject;
+                // Deleting a property anyway since getter / setter may be
+                // defined on object itself.
+                delete object[property];
+                object[property] = descriptor.value;
+                // Setting original `__proto__` back now.
+                object.__proto__ = prototype;
+            } else {
+                object[property] = descriptor.value;
+            }
+        } else {
+            if (!supportsAccessors)
+                throw new TypeError(ERR_ACCESSORS_NOT_SUPPORTED);
+            // If we got that far then getters and setters can be defined !!
+            if (owns(descriptor, "get"))
+                defineGetter(object, property, descriptor.get);
+            if (owns(descriptor, "set"))
+                defineSetter(object, property, descriptor.set);
+        }
+
+        return object;
+    };
+}
+
+// ES5 15.2.3.7
+// http://es5.github.com/#x15.2.3.7
+if (!Object.defineProperties) {
+    Object.defineProperties = function defineProperties(object, properties) {
+        for (var property in properties) {
+            if (owns(properties, property))
+                Object.defineProperty(object, property, properties[property]);
+        }
+        return object;
+    };
+}
+
+// ES5 15.2.3.8
+// http://es5.github.com/#x15.2.3.8
+if (!Object.seal) {
+    Object.seal = function seal(object) {
+        // this is misleading and breaks feature-detection, but
+        // allows "securable" code to "gracefully" degrade to working
+        // but insecure code.
+        return object;
+    };
+}
+
+// ES5 15.2.3.9
+// http://es5.github.com/#x15.2.3.9
+if (!Object.freeze) {
+    Object.freeze = function freeze(object) {
+        // this is misleading and breaks feature-detection, but
+        // allows "securable" code to "gracefully" degrade to working
+        // but insecure code.
+        return object;
+    };
+}
+
+// detect a Rhino bug and patch it
+try {
+    Object.freeze(function () {});
+} catch (exception) {
+    Object.freeze = (function freeze(freezeObject) {
+        return function freeze(object) {
+            if (typeof object == "function") {
+                return object;
+            } else {
+                return freezeObject(object);
+            }
+        };
+    })(Object.freeze);
+}
+
+// ES5 15.2.3.10
+// http://es5.github.com/#x15.2.3.10
+if (!Object.preventExtensions) {
+    Object.preventExtensions = function preventExtensions(object) {
+        // this is misleading and breaks feature-detection, but
+        // allows "securable" code to "gracefully" degrade to working
+        // but insecure code.
+        return object;
+    };
+}
+
+// ES5 15.2.3.11
+// http://es5.github.com/#x15.2.3.11
+if (!Object.isSealed) {
+    Object.isSealed = function isSealed(object) {
+        return false;
+    };
+}
+
+// ES5 15.2.3.12
+// http://es5.github.com/#x15.2.3.12
+if (!Object.isFrozen) {
+    Object.isFrozen = function isFrozen(object) {
+        return false;
+    };
+}
+
+// ES5 15.2.3.13
+// http://es5.github.com/#x15.2.3.13
+if (!Object.isExtensible) {
+    Object.isExtensible = function isExtensible(object) {
+        // 1. If Type(O) is not Object throw a TypeError exception.
+        if (Object(object) === object) {
+            throw new TypeError(); // TODO message
+        }
+        // 2. Return the Boolean value of the [[Extensible]] internal property of O.
+        var name = '';
+        while (owns(object, name)) {
+            name += '?';
+        }
+        object[name] = true;
+        var returnValue = owns(object, name);
+        delete object[name];
+        return returnValue;
+    };
+}
+
+// ES5 15.2.3.14
+// http://es5.github.com/#x15.2.3.14
+if (!Object.keys) {
+    // http://whattheheadsaid.com/2010/10/a-safer-object-keys-compatibility-implementation
+    var hasDontEnumBug = true,
+        dontEnums = [
+            "toString",
+            "toLocaleString",
+            "valueOf",
+            "hasOwnProperty",
+            "isPrototypeOf",
+            "propertyIsEnumerable",
+            "constructor"
+        ],
+        dontEnumsLength = dontEnums.length;
+
+    for (var key in {"toString": null})
+        hasDontEnumBug = false;
+
+    Object.keys = function keys(object) {
+
+        if ((typeof object != "object" && typeof object != "function") || object === null)
+            throw new TypeError("Object.keys called on a non-object");
+
+        var keys = [];
+        for (var name in object) {
+            if (owns(object, name)) {
+                keys.push(name);
+            }
+        }
+
+        if (hasDontEnumBug) {
+            for (var i = 0, ii = dontEnumsLength; i < ii; i++) {
+                var dontEnum = dontEnums[i];
+                if (owns(object, dontEnum)) {
+                    keys.push(dontEnum);
+                }
+            }
+        }
+
+        return keys;
+    };
+
+}
+
+//
+// Date
+// ====
+//
+
+// ES5 15.9.5.43
+// http://es5.github.com/#x15.9.5.43
+// This function returns a String value represent the instance in time 
+// represented by this Date object. The format of the String is the Date Time 
+// string format defined in 15.9.1.15. All fields are present in the String. 
+// The time zone is always UTC, denoted by the suffix Z. If the time value of 
+// this object is not a finite Number a RangeError exception is thrown.
+if (!Date.prototype.toISOString || (new Date(-62198755200000).toISOString().indexOf('-000001') === -1)) {
+    Date.prototype.toISOString = function toISOString() {
+        var result, length, value, year;
+        if (!isFinite(this))
+            throw new RangeError;
+
+        // the date time string format is specified in 15.9.1.15.
+        result = [this.getUTCMonth() + 1, this.getUTCDate(),
+            this.getUTCHours(), this.getUTCMinutes(), this.getUTCSeconds()];
+        year = this.getUTCFullYear();
+        year = (year < 0 ? '-' : (year > 9999 ? '+' : '')) + ('00000' + Math.abs(year)).slice(0 <= year && year <= 9999 ? -4 : -6);
+
+        length = result.length;
+        while (length--) {
+            value = result[length];
+            // pad months, days, hours, minutes, and seconds to have two digits.
+            if (value < 10)
+                result[length] = "0" + value;
+        }
+        // pad milliseconds to have three digits.
+        return year + "-" + result.slice(0, 2).join("-") + "T" + result.slice(2).join(":") + "." +
+            ("000" + this.getUTCMilliseconds()).slice(-3) + "Z";
+    }
+}
+
+// ES5 15.9.4.4
+// http://es5.github.com/#x15.9.4.4
+if (!Date.now) {
+    Date.now = function now() {
+        return new Date().getTime();
+    };
+}
+
+// ES5 15.9.5.44
+// http://es5.github.com/#x15.9.5.44
+// This function provides a String representation of a Date object for use by 
+// JSON.stringify (15.12.3).
+if (!Date.prototype.toJSON) {
+    Date.prototype.toJSON = function toJSON(key) {
+        // When the toJSON method is called with argument key, the following 
+        // steps are taken:
+
+        // 1.  Let O be the result of calling ToObject, giving it the this
+        // value as its argument.
+        // 2. Let tv be ToPrimitive(O, hint Number).
+        // 3. If tv is a Number and is not finite, return null.
+        // XXX
+        // 4. Let toISO be the result of calling the [[Get]] internal method of
+        // O with argument "toISOString".
+        // 5. If IsCallable(toISO) is false, throw a TypeError exception.
+        if (typeof this.toISOString != "function")
+            throw new TypeError(); // TODO message
+        // 6. Return the result of calling the [[Call]] internal method of
+        //  toISO with O as the this value and an empty argument list.
+        return this.toISOString();
+
+        // NOTE 1 The argument is ignored.
+
+        // NOTE 2 The toJSON function is intentionally generic; it does not
+        // require that its this value be a Date object. Therefore, it can be
+        // transferred to other kinds of objects for use as a method. However,
+        // it does require that any such object have a toISOString method. An
+        // object is free to use the argument key to filter its
+        // stringification.
+    };
+}
+
+// ES5 15.9.4.2
+// http://es5.github.com/#x15.9.4.2
+// based on work shared by Daniel Friesen (dantman)
+// http://gist.github.com/303249
+if (Date.parse("+275760-09-13T00:00:00.000Z") !== 8.64e15) {
+    // XXX global assignment won't work in embeddings that use
+    // an alternate object for the context.
+    Date = (function(NativeDate) {
+
+        // Date.length === 7
+        var Date = function Date(Y, M, D, h, m, s, ms) {
+            var length = arguments.length;
+            if (this instanceof NativeDate) {
+                var date = length == 1 && String(Y) === Y ? // isString(Y)
+                    // We explicitly pass it through parse:
+                    new NativeDate(Date.parse(Y)) :
+                    // We have to manually make calls depending on argument
+                    // length here
+                    length >= 7 ? new NativeDate(Y, M, D, h, m, s, ms) :
+                    length >= 6 ? new NativeDate(Y, M, D, h, m, s) :
+                    length >= 5 ? new NativeDate(Y, M, D, h, m) :
+                    length >= 4 ? new NativeDate(Y, M, D, h) :
+                    length >= 3 ? new NativeDate(Y, M, D) :
+                    length >= 2 ? new NativeDate(Y, M) :
+                    length >= 1 ? new NativeDate(Y) :
+                                  new NativeDate();
+                // Prevent mixups with unfixed Date object
+                date.constructor = Date;
+                return date;
+            }
+            return NativeDate.apply(this, arguments);
+        };
+
+        // 15.9.1.15 Date Time String Format.
+        var isoDateExpression = new RegExp("^" +
+            "(\\d{4}|[\+\-]\\d{6})" + // four-digit year capture or sign + 6-digit extended year
+            "(?:-(\\d{2})" + // optional month capture
+            "(?:-(\\d{2})" + // optional day capture
+            "(?:" + // capture hours:minutes:seconds.milliseconds
+                "T(\\d{2})" + // hours capture
+                ":(\\d{2})" + // minutes capture
+                "(?:" + // optional :seconds.milliseconds
+                    ":(\\d{2})" + // seconds capture
+                    "(?:\\.(\\d{3}))?" + // milliseconds capture
+                ")?" +
+            "(?:" + // capture UTC offset component
+                "Z|" + // UTC capture
+                "(?:" + // offset specifier +/-hours:minutes
+                    "([-+])" + // sign capture
+                    "(\\d{2})" + // hours offset capture
+                    ":(\\d{2})" + // minutes offset capture
+                ")" +
+            ")?)?)?)?" +
+        "$");
+
+        // Copy any custom methods a 3rd party library may have added
+        for (var key in NativeDate)
+            Date[key] = NativeDate[key];
+
+        // Copy "native" methods explicitly; they may be non-enumerable
+        Date.now = NativeDate.now;
+        Date.UTC = NativeDate.UTC;
+        Date.prototype = NativeDate.prototype;
+        Date.prototype.constructor = Date;
+
+        // Upgrade Date.parse to handle simplified ISO 8601 strings
+        Date.parse = function parse(string) {
+            var match = isoDateExpression.exec(string);
+            if (match) {
+                match.shift(); // kill match[0], the full match
+                // parse months, days, hours, minutes, seconds, and milliseconds
+                for (var i = 1; i < 7; i++) {
+                    // provide default values if necessary
+                    match[i] = +(match[i] || (i < 3 ? 1 : 0));
+                    // match[1] is the month. Months are 0-11 in JavaScript
+                    // `Date` objects, but 1-12 in ISO notation, so we
+                    // decrement.
+                    if (i == 1)
+                        match[i]--;
+                }
+
+                // parse the UTC offset component
+                var minuteOffset = +match.pop(), hourOffset = +match.pop(), sign = match.pop();
+
+                // compute the explicit time zone offset if specified
+                var offset = 0;
+                if (sign) {
+                    // detect invalid offsets and return early
+                    if (hourOffset > 23 || minuteOffset > 59)
+                        return NaN;
+
+                    // express the provided time zone offset in minutes. The offset is
+                    // negative for time zones west of UTC; positive otherwise.
+                    offset = (hourOffset * 60 + minuteOffset) * 6e4 * (sign == "+" ? -1 : 1);
+                }
+
+                // Date.UTC for years between 0 and 99 converts year to 1900 + year
+                // The Gregorian calendar has a 400-year cycle, so 
+                // to Date.UTC(year + 400, .... ) - 12622780800000 == Date.UTC(year, ...),
+                // where 12622780800000 - number of milliseconds in Gregorian calendar 400 years
+                var year = +match[0];
+                if (0 <= year && year <= 99) {
+                    match[0] = year + 400;
+                    return NativeDate.UTC.apply(this, match) + offset - 12622780800000;
+                }
+
+                // compute a new UTC date value, accounting for the optional offset
+                return NativeDate.UTC.apply(this, match) + offset;
+            }
+            return NativeDate.parse.apply(this, arguments);
+        };
+
+        return Date;
+    })(Date);
+}
+
+//
+// String
+// ======
+//
+
+// ES5 15.5.4.20
+// http://es5.github.com/#x15.5.4.20
+var ws = "\x09\x0A\x0B\x0C\x0D\x20\xA0\u1680\u180E\u2000\u2001\u2002\u2003" +
+    "\u2004\u2005\u2006\u2007\u2008\u2009\u200A\u202F\u205F\u3000\u2028" +
+    "\u2029\uFEFF";
+if (!String.prototype.trim || ws.trim()) {
+    // http://blog.stevenlevithan.com/archives/faster-trim-javascript
+    // http://perfectionkills.com/whitespace-deviations/
+    ws = "[" + ws + "]";
+    var trimBeginRegexp = new RegExp("^" + ws + ws + "*"),
+        trimEndRegexp = new RegExp(ws + ws + "*$");
+    String.prototype.trim = function trim() {
+        return String(this).replace(trimBeginRegexp, "").replace(trimEndRegexp, "");
+    };
+}
+
+//
+// Util
+// ======
+//
+
+// ES5 9.4
+// http://es5.github.com/#x9.4
+// http://jsperf.com/to-integer
+var toInteger = function (n) {
+    n = +n;
+    if (n !== n) // isNaN
+        n = 0;
+    else if (n !== 0 && n !== (1/0) && n !== -(1/0))
+        n = (n > 0 || -1) * Math.floor(Math.abs(n));
+    return n;
+};
+
+var prepareString = "a"[0] != "a",
+    // ES5 9.9
+    // http://es5.github.com/#x9.9
+    toObject = function (o) {
+        if (o == null) { // this matches both null and undefined
+            throw new TypeError(); // TODO message
+        }
+        // If the implementation doesn't support by-index access of
+        // string characters (ex. IE < 7), split the string
+        if (prepareString && typeof o == "string" && o) {
+            return o.split("");
+        }
+        return Object(o);
+    };
+});
+
+define('ace/lib/event_emitter', ['require', 'exports', 'module' ], function(require, exports, module) {
+
+
+var EventEmitter = {};
+
+EventEmitter._emit =
+EventEmitter._dispatchEvent = function(eventName, e) {
+    this._eventRegistry = this._eventRegistry || {};
+    this._defaultHandlers = this._defaultHandlers || {};
+
+    var listeners = this._eventRegistry[eventName] || [];
+    var defaultHandler = this._defaultHandlers[eventName];
+    if (!listeners.length && !defaultHandler)
+        return;
+
+    e = e || {};
+    e.type = eventName;
+    
+    if (!e.stopPropagation) {
+        e.stopPropagation = function() {
+            this.propagationStopped = true;
+        };
+    }
+    
+    if (!e.preventDefault) {
+        e.preventDefault = function() {
+            this.defaultPrevented = true;
+        };
+    }
+
+    for (var i=0; i<listeners.length; i++) {
+        listeners[i](e);
+        if (e.propagationStopped)
+            break;
+    }
+    
+    if (defaultHandler && !e.defaultPrevented)
+        return defaultHandler(e);
+};
+
+EventEmitter.setDefaultHandler = function(eventName, callback) {
+    this._defaultHandlers = this._defaultHandlers || {};
+    
+    if (this._defaultHandlers[eventName])
+        throw new Error("The default handler for '" + eventName + "' is already set");
+        
+    this._defaultHandlers[eventName] = callback;
+};
+
+EventEmitter.on =
+EventEmitter.addEventListener = function(eventName, callback) {
+    this._eventRegistry = this._eventRegistry || {};
+
+    var listeners = this._eventRegistry[eventName];
+    if (!listeners)
+        var listeners = this._eventRegistry[eventName] = [];
+
+    if (listeners.indexOf(callback) == -1)
+        listeners.push(callback);
+};
+
+EventEmitter.removeListener =
+EventEmitter.removeEventListener = function(eventName, callback) {
+    this._eventRegistry = this._eventRegistry || {};
+
+    var listeners = this._eventRegistry[eventName];
+    if (!listeners)
+        return;
+
+    var index = listeners.indexOf(callback);
+    if (index !== -1)
+        listeners.splice(index, 1);
+};
+
+EventEmitter.removeAllListeners = function(eventName) {
+    if (this._eventRegistry) this._eventRegistry[eventName] = [];
+};
+
+exports.EventEmitter = EventEmitter;
+
+});
+
+define('ace/lib/oop', ['require', 'exports', 'module' ], function(require, exports, module) {
+
+
+exports.inherits = (function() {
+    var tempCtor = function() {};
+    return function(ctor, superCtor) {
+        tempCtor.prototype = superCtor.prototype;
+        ctor.super_ = superCtor.prototype;
+        ctor.prototype = new tempCtor();
+        ctor.prototype.constructor = ctor;
+    };
+}());
+
+exports.mixin = function(obj, mixin) {
+    for (var key in mixin) {
+        obj[key] = mixin[key];
+    }
+};
+
+exports.implement = function(proto, mixin) {
+    exports.mixin(proto, mixin);
+};
+
+});
+ 
+define('ace/mode/javascript_worker', ['require', 'exports', 'module' , 'ace/lib/oop', 'ace/worker/mirror', 'ace/worker/jshint', 'ace/narcissus/parser'], function(require, exports, module) {
+
+    
+var oop = require("../lib/oop");
+var Mirror = require("../worker/mirror").Mirror;
+var lint = require("../worker/jshint").JSHINT;
+var parser = require("../narcissus/parser");
+    
+var JavaScriptWorker = exports.JavaScriptWorker = function(sender) {
+    Mirror.call(this, sender);
+    this.setTimeout(500);
+};
+
+oop.inherits(JavaScriptWorker, Mirror);
+
+(function() {
+    
+    this.onUpdate = function() {
+        var value = this.doc.getValue();
+        value = value.replace(/^#!.*\n/, "\n");
+        
+//        var start = new Date();
+        try {
+            parser.parse(value);
+        } catch(e) {
+//            console.log("narcissus")
+//            console.log(e);
+            var chunks = e.message.split(":")
+            var message = chunks.pop().trim();
+            var lineNumber = parseInt(chunks.pop().trim()) - 1;
+            this.sender.emit("narcissus", {
+                row: lineNumber,
+                column: null, // TODO convert e.cursor
+                text: message,
+                type: "error"
+            });
+            return;
+        } finally {
+//            console.log("parse time: " + (new Date() - start));
+        }
+        
+//        var start = new Date();
+//        console.log("jslint")
+        lint(value, {undef: false, onevar: false, passfail: false});
+        this.sender.emit("jslint", lint.errors);        
+//        console.log("lint time: " + (new Date() - start));
+    }
+    
+}).call(JavaScriptWorker.prototype);
+
+});
+define('ace/worker/mirror', ['require', 'exports', 'module' , 'ace/document', 'ace/lib/lang'], function(require, exports, module) {
+
+
+var Document = require("../document").Document;
+var lang = require("../lib/lang");
+    
+var Mirror = exports.Mirror = function(sender) {
+    this.sender = sender;
+    var doc = this.doc = new Document("");
+    
+    var deferredUpdate = this.deferredUpdate = lang.deferredCall(this.onUpdate.bind(this));
+    
+    var _self = this;
+    sender.on("change", function(e) {
+        doc.applyDeltas([e.data]);        
+        deferredUpdate.schedule(_self.$timeout);
+    });
+};
+
+(function() {
+    
+    this.$timeout = 500;
+    
+    this.setTimeout = function(timeout) {
+        this.$timeout = timeout;
+    };
+    
+    this.setValue = function(value) {
+        this.doc.setValue(value);
+        this.deferredUpdate.schedule(this.$timeout);
+    };
+    
+    this.getValue = function(callbackId) {
+        this.sender.callback(this.doc.getValue(), callbackId);
+    };
+    
+    this.onUpdate = function() {
+        // abstract method
+    };
+    
+}).call(Mirror.prototype);
+
+});
+
+define('ace/document', ['require', 'exports', 'module' , 'ace/lib/oop', 'ace/lib/event_emitter', 'ace/range', 'ace/anchor'], function(require, exports, module) {
+
+
+var oop = require("./lib/oop");
+var EventEmitter = require("./lib/event_emitter").EventEmitter;
+var Range = require("./range").Range;
+var Anchor = require("./anchor").Anchor;
+
+ /**
+ * new Document([text])
+ * - text (String | Array): The starting text
+ *
+ * Creates a new `Document`. If `text` is included, the `Document` contains those strings; otherwise, it's empty.
+ *
+ **/
+var Document = function(text) {
+    this.$lines = [];
+
+    // There has to be one line at least in the document. If you pass an empty
+    // string to the insert function, nothing will happen. Workaround.
+    if (text.length == 0) {
+        this.$lines = [""];
+    } else if (Array.isArray(text)) {
+        this.insertLines(0, text);
+    } else {
+        this.insert({row: 0, column:0}, text);
+    }
+};
+
+(function() {
+
+    oop.implement(this, EventEmitter);
+    this.setValue = function(text) {
+        var len = this.getLength();
+        this.remove(new Range(0, 0, len, this.getLine(len-1).length));
+        this.insert({row: 0, column:0}, text);
+    };
+    this.getValue = function() {
+        return this.getAllLines().join(this.getNewLineCharacter());
+    };
+    this.createAnchor = function(row, column) {
+        return new Anchor(this, row, column);
+    };
+
+    // check for IE split bug
+    if ("aaa".split(/a/).length == 0)
+        this.$split = function(text) {
+            return text.replace(/\r\n|\r/g, "\n").split("\n");
+        }
+    else
+        this.$split = function(text) {
+            return text.split(/\r\n|\r|\n/);
+        };
+    this.$detectNewLine = function(text) {
+        var match = text.match(/^.*?(\r\n|\r|\n)/m);
+        if (match) {
+            this.$autoNewLine = match[1];
+        } else {
+            this.$autoNewLine = "\n";
+        }
+    };
+    this.getNewLineCharacter = function() {
+      switch (this.$newLineMode) {
+          case "windows":
+              return "\r\n";
+
+          case "unix":
+              return "\n";
+
+          case "auto":
+              return this.$autoNewLine;
+      }
+    };
+
+    this.$autoNewLine = "\n";
+    this.$newLineMode = "auto";
+    this.setNewLineMode = function(newLineMode) {
+        if (this.$newLineMode === newLineMode)
+            return;
+
+        this.$newLineMode = newLineMode;
+    };
+    this.getNewLineMode = function() {
+        return this.$newLineMode;
+    };
+    this.isNewLine = function(text) {
+        return (text == "\r\n" || text == "\r" || text == "\n");
+    };
+    this.getLine = function(row) {
+        return this.$lines[row] || "";
+    };
+    this.getLines = function(firstRow, lastRow) {
+        return this.$lines.slice(firstRow, lastRow + 1);
+    };
+    this.getAllLines = function() {
+        return this.getLines(0, this.getLength());
+    };
+    this.getLength = function() {
+        return this.$lines.length;
+    };
+    this.getTextRange = function(range) {
+        if (range.start.row == range.end.row) {
+            return this.$lines[range.start.row].substring(range.start.column,
+                                                         range.end.column);
+        }
+        else {
+            var lines = this.getLines(range.start.row+1, range.end.row-1);
+            lines.unshift((this.$lines[range.start.row] || "").substring(range.start.column));
+            lines.push((this.$lines[range.end.row] || "").substring(0, range.end.column));
+            return lines.join(this.getNewLineCharacter());
+        }
+    };
+    this.$clipPosition = function(position) {
+        var length = this.getLength();
+        if (position.row >= length) {
+            position.row = Math.max(0, length - 1);
+            position.column = this.getLine(length-1).length;
+        }
+        return position;
+    };
+    this.insert = function(position, text) {
+        if (!text || text.length === 0)
+            return position;
+
+        position = this.$clipPosition(position);
+
+        // only detect new lines if the document has no line break yet
+        if (this.getLength() <= 1)
+            this.$detectNewLine(text);
+
+        var lines = this.$split(text);
+        var firstLine = lines.splice(0, 1)[0];
+        var lastLine = lines.length == 0 ? null : lines.splice(lines.length - 1, 1)[0];
+
+        position = this.insertInLine(position, firstLine);
+        if (lastLine !== null) {
+            position = this.insertNewLine(position); // terminate first line
+            position = this.insertLines(position.row, lines);
+            position = this.insertInLine(position, lastLine || "");
+        }
+        return position;
+    };
+    this.insertLines = function(row, lines) {
+        if (lines.length == 0)
+            return {row: row, column: 0};
+
+        // apply doesn't work for big arrays (smallest threshold is on safari 0xFFFF)
+        // to circumvent that we have to break huge inserts into smaller chunks here
+        if (lines.length > 0xFFFF) {
+            var end = this.insertLines(row, lines.slice(0xFFFF));
+            lines = lines.slice(0, 0xFFFF);
+        }
+
+        var args = [row, 0];
+        args.push.apply(args, lines);
+        this.$lines.splice.apply(this.$lines, args);
+
+        var range = new Range(row, 0, row + lines.length, 0);
+        var delta = {
+            action: "insertLines",
+            range: range,
+            lines: lines
+        };
+        this._emit("change", { data: delta });
+        return end || range.end;
+    };
+    this.insertNewLine = function(position) {
+        position = this.$clipPosition(position);
+        var line = this.$lines[position.row] || "";
+
+        this.$lines[position.row] = line.substring(0, position.column);
+        this.$lines.splice(position.row + 1, 0, line.substring(position.column, line.length));
+
+        var end = {
+            row : position.row + 1,
+            column : 0
+        };
+
+        var delta = {
+            action: "insertText",
+            range: Range.fromPoints(position, end),
+            text: this.getNewLineCharacter()
+        };
+        this._emit("change", { data: delta });
+
+        return end;
+    };
+    this.insertInLine = function(position, text) {
+        if (text.length == 0)
+            return position;
+
+        var line = this.$lines[position.row] || "";
+
+        this.$lines[position.row] = line.substring(0, position.column) + text
+                + line.substring(position.column);
+
+        var end = {
+            row : position.row,
+            column : position.column + text.length
+        };
+
+        var delta = {
+            action: "insertText",
+            range: Range.fromPoints(position, end),
+            text: text
+        };
+        this._emit("change", { data: delta });
+
+        return end;
+    };
+    this.remove = function(range) {
+        // clip to document
+        range.start = this.$clipPosition(range.start);
+        range.end = this.$clipPosition(range.end);
+
+        if (range.isEmpty())
+            return range.start;
+
+        var firstRow = range.start.row;
+        var lastRow = range.end.row;
+
+        if (range.isMultiLine()) {
+            var firstFullRow = range.start.column == 0 ? firstRow : firstRow + 1;
+            var lastFullRow = lastRow - 1;
+
+            if (range.end.column > 0)
+                this.removeInLine(lastRow, 0, range.end.column);
+
+            if (lastFullRow >= firstFullRow)
+                this.removeLines(firstFullRow, lastFullRow);
+
+            if (firstFullRow != firstRow) {
+                this.removeInLine(firstRow, range.start.column, this.getLine(firstRow).length);
+                this.removeNewLine(range.start.row);
+            }
+        }
+        else {
+            this.removeInLine(firstRow, range.start.column, range.end.column);
+        }
+        return range.start;
+    };
+    this.removeInLine = function(row, startColumn, endColumn) {
+        if (startColumn == endColumn)
+            return;
+
+        var range = new Range(row, startColumn, row, endColumn);
+        var line = this.getLine(row);
+        var removed = line.substring(startColumn, endColumn);
+        var newLine = line.substring(0, startColumn) + line.substring(endColumn, line.length);
+        this.$lines.splice(row, 1, newLine);
+
+        var delta = {
+            action: "removeText",
+            range: range,
+            text: removed
+        };
+        this._emit("change", { data: delta });
+        return range.start;
+    };
+    this.removeLines = function(firstRow, lastRow) {
+        var range = new Range(firstRow, 0, lastRow + 1, 0);
+        var removed = this.$lines.splice(firstRow, lastRow - firstRow + 1);
+
+        var delta = {
+            action: "removeLines",
+            range: range,
+            nl: this.getNewLineCharacter(),
+            lines: removed
+        };
+        this._emit("change", { data: delta });
+        return removed;
+    };
+    this.removeNewLine = function(row) {
+        var firstLine = this.getLine(row);
+        var secondLine = this.getLine(row+1);
+
+        var range = new Range(row, firstLine.length, row+1, 0);
+        var line = firstLine + secondLine;
+
+        this.$lines.splice(row, 2, line);
+
+        var delta = {
+            action: "removeText",
+            range: range,
+            text: this.getNewLineCharacter()
+        };
+        this._emit("change", { data: delta });
+    };
+    this.replace = function(range, text) {
+        if (text.length == 0 && range.isEmpty())
+            return range.start;
+
+        // Shortcut: If the text we want to insert is the same as it is already
+        // in the document, we don't have to replace anything.
+        if (text == this.getTextRange(range))
+            return range.end;
+
+        this.remove(range);
+        if (text) {
+            var end = this.insert(range.start, text);
+        }
+        else {
+            end = range.start;
+        }
+
+        return end;
+    };
+    this.applyDeltas = function(deltas) {
+        for (var i=0; i<deltas.length; i++) {
+            var delta = deltas[i];
+            var range = Range.fromPoints(delta.range.start, delta.range.end);
+
+            if (delta.action == "insertLines")
+                this.insertLines(range.start.row, delta.lines);
+            else if (delta.action == "insertText")
+                this.insert(range.start, delta.text);
+            else if (delta.action == "removeLines")
+                this.removeLines(range.start.row, range.end.row - 1);
+            else if (delta.action == "removeText")
+                this.remove(range);
+        }
+    };
+    this.revertDeltas = function(deltas) {
+        for (var i=deltas.length-1; i>=0; i--) {
+            var delta = deltas[i];
+
+            var range = Range.fromPoints(delta.range.start, delta.range.end);
+
+            if (delta.action == "insertLines")
+                this.removeLines(range.start.row, range.end.row - 1);
+            else if (delta.action == "insertText")
+                this.remove(range);
+            else if (delta.action == "removeLines")
+                this.insertLines(range.start.row, delta.lines);
+            else if (delta.action == "removeText")
+                this.insert(range.start, delta.text);
+        }
+    };
+
+}).call(Document.prototype);
+
+exports.Document = Document;
+});
+
+define('ace/range', ['require', 'exports', 'module' ], function(require, exports, module) {
+
+
+/**
+ * class Range
+ *
+ * This object is used in various places to indicate a region within the editor. To better visualize how this works, imagine a rectangle. Each quadrant of the rectangle is analogus to a range, as ranges contain a starting row and starting column, and an ending row, and ending column.
+ *
+ **/
+
+/**
+ * new Range(startRow, startColumn, endRow, endColumn)
+ * - startRow (Number): The starting row
+ * - startColumn (Number): The starting column
+ * - endRow (Number): The ending row
+ * - endColumn (Number): The ending column
+ *
+ * Creates a new `Range` object with the given starting and ending row and column points.
+ *
+ **/
+var Range = function(startRow, startColumn, endRow, endColumn) {
+    this.start = {
+        row: startRow,
+        column: startColumn
+    };
+
+    this.end = {
+        row: endRow,
+        column: endColumn
+    };
+};
+
+(function() {
+    /**
+     * Range.isEqual(range) -> Boolean
+     * - range (Range): A range to check against
+     *
+     * Returns `true` if and only if the starting row and column, and ending tow and column, are equivalent to those given by `range`.
+     *
+     **/ 
+    this.isEqual = function(range) {
+        return this.start.row == range.start.row &&
+            this.end.row == range.end.row &&
+            this.start.column == range.start.column &&
+            this.end.column == range.end.column
+    }; 
+    this.toString = function() {
+        return ("Range: [" + this.start.row + "/" + this.start.column +
+            "] -> [" + this.end.row + "/" + this.end.column + "]");
+    }; 
+
+    this.contains = function(row, column) {
+        return this.compare(row, column) == 0;
+    }; 
+    this.compareRange = function(range) {
+        var cmp,
+            end = range.end,
+            start = range.start;
+
+        cmp = this.compare(end.row, end.column);
+        if (cmp == 1) {
+            cmp = this.compare(start.row, start.column);
+            if (cmp == 1) {
+                return 2;
+            } else if (cmp == 0) {
+                return 1;
+            } else {
+                return 0;
+            }
+        } else if (cmp == -1) {
+            return -2;
+        } else {
+            cmp = this.compare(start.row, start.column);
+            if (cmp == -1) {
+                return -1;
+            } else if (cmp == 1) {
+                return 42;
+            } else {
+                return 0;
+            }
+        }
+    }
+
+    /** related to: Range.compare
+     * Range.comparePoint(p) -> Number
+     * - p (Range): A point to compare with
+     * + (Number): This method returns one of the following numbers:<br/>
+     * * `0` if the two points are exactly equal<br/>
+     * * `-1` if `p.row` is less then the calling range<br/>
+     * * `1` if `p.row` is greater than the calling range<br/>
+     * <br/>
+     * If the starting row of the calling range is equal to `p.row`, and:<br/>
+     * * `p.column` is greater than or equal to the calling range's starting column, this returns `0`<br/>
+     * * Otherwise, it returns -1<br/>
+     *<br/>
+     * If the ending row of the calling range is equal to `p.row`, and:<br/>
+     * * `p.column` is less than or equal to the calling range's ending column, this returns `0`<br/>
+     * * Otherwise, it returns 1<br/>
+     *
+     * Checks the row and column points of `p` with the row and column points of the calling range.
+     *
+     * 
+     *
+     **/ 
+    this.comparePoint = function(p) {
+        return this.compare(p.row, p.column);
+    }
+
+    /** related to: Range.comparePoint
+     * Range.containsRange(range) -> Boolean
+     * - range (Range): A range to compare with
+     *
+     * Checks the start and end points of `range` and compares them to the calling range. Returns `true` if the `range` is contained within the caller's range.
+     *
+     **/ 
+    this.containsRange = function(range) {
+        return this.comparePoint(range.start) == 0 && this.comparePoint(range.end) == 0;
+    }
+
+    /**
+     * Range.intersects(range) -> Boolean
+     * - range (Range): A range to compare with
+     *
+     * Returns `true` if passed in `range` intersects with the one calling this method.
+     *
+     **/
+    this.intersects = function(range) {
+        var cmp = this.compareRange(range);
+        return (cmp == -1 || cmp == 0 || cmp == 1);
+    }
+
+    /**
+     * Range.isEnd(row, column) -> Boolean
+     * - row (Number): A row point to compare with
+     * - column (Number): A column point to compare with
+     *
+     * Returns `true` if the caller's ending row point is the same as `row`, and if the caller's ending column is the same as `column`.
+     *
+     **/
+    this.isEnd = function(row, column) {
+        return this.end.row == row && this.end.column == column;
+    }
+
+    /**
+     * Range.isStart(row, column) -> Boolean
+     * - row (Number): A row point to compare with
+     * - column (Number): A column point to compare with
+     *
+     * Returns `true` if the caller's starting row point is the same as `row`, and if the caller's starting column is the same as `column`.
+     *
+     **/ 
+    this.isStart = function(row, column) {
+        return this.start.row == row && this.start.column == column;
+    }
+
+    /**
+     * Range.setStart(row, column)
+     * - row (Number): A row point to set
+     * - column (Number): A column point to set
+     *
+     * Sets the starting row and column for the range.
+     *
+     **/ 
+    this.setStart = function(row, column) {
+        if (typeof row == "object") {
+            this.start.column = row.column;
+            this.start.row = row.row;
+        } else {
+            this.start.row = row;
+            this.start.column = column;
+        }
+    }
+
+    /**
+     * Range.setEnd(row, column)
+     * - row (Number): A row point to set
+     * - column (Number): A column point to set
+     *
+     * Sets the starting row and column for the range.
+     *
+     **/ 
+    this.setEnd = function(row, column) {
+        if (typeof row == "object") {
+            this.end.column = row.column;
+            this.end.row = row.row;
+        } else {
+            this.end.row = row;
+            this.end.column = column;
+        }
+    }
+
+    /** related to: Range.compare
+     * Range.inside(row, column) -> Boolean
+     * - row (Number): A row point to compare with
+     * - column (Number): A column point to compare with
+     *
+     * Returns `true` if the `row` and `column` are within the given range.
+     *
+     **/ 
+    this.inside = function(row, column) {
+        if (this.compare(row, column) == 0) {
+            if (this.isEnd(row, column) || this.isStart(row, column)) {
+                return false;
+            } else {
+                return true;
+            }
+        }
+        return false;
+    }
+
+    /** related to: Range.compare
+     * Range.insideStart(row, column) -> Boolean
+     * - row (Number): A row point to compare with
+     * - column (Number): A column point to compare with
+     *
+     * Returns `true` if the `row` and `column` are within the given range's starting points.
+     *
+     **/ 
+    this.insideStart = function(row, column) {
+        if (this.compare(row, column) == 0) {
+            if (this.isEnd(row, column)) {
+                return false;
+            } else {
+                return true;
+            }
+        }
+        return false;
+    }
+
+    /** related to: Range.compare
+     * Range.insideEnd(row, column) -> Boolean
+     * - row (Number): A row point to compare with
+     * - column (Number): A column point to compare with
+     *
+     * Returns `true` if the `row` and `column` are within the given range's ending points.
+     *
+     **/ 
+    this.insideEnd = function(row, column) {
+        if (this.compare(row, column) == 0) {
+            if (this.isStart(row, column)) {
+                return false;
+            } else {
+                return true;
+            }
+        }
+        return false;
+    }
+
+    /** 
+     * Range.compare(row, column) -> Number
+     * - row (Number): A row point to compare with
+     * - column (Number): A column point to compare with
+     * + (Number): This method returns one of the following numbers:<br/>
+     * * `0` if the two points are exactly equal <br/>
+     * * `-1` if `p.row` is less then the calling range <br/>
+     * * `1` if `p.row` is greater than the calling range <br/>
+     *  <br/>
+     * If the starting row of the calling range is equal to `p.row`, and: <br/>
+     * * `p.column` is greater than or equal to the calling range's starting column, this returns `0`<br/>
+     * * Otherwise, it returns -1<br/>
+     * <br/>
+     * If the ending row of the calling range is equal to `p.row`, and: <br/>
+     * * `p.column` is less than or equal to the calling range's ending column, this returns `0` <br/>
+     * * Otherwise, it returns 1
+     *
+     * Checks the row and column points with the row and column points of the calling range.
+     *
+     *
+     **/
+    this.compare = function(row, column) {
+        if (!this.isMultiLine()) {
+            if (row === this.start.row) {
+                return column < this.start.column ? -1 : (column > this.end.column ? 1 : 0);
+            };
+        }
+
+        if (row < this.start.row)
+            return -1;
+
+        if (row > this.end.row)
+            return 1;
+
+        if (this.start.row === row)
+            return column >= this.start.column ? 0 : -1;
+
+        if (this.end.row === row)
+            return column <= this.end.column ? 0 : 1;
+
+        return 0;
+    };
+    this.compareStart = function(row, column) {
+        if (this.start.row == row && this.start.column == column) {
+            return -1;
+        } else {
+            return this.compare(row, column);
+        }
+    }
+
+    /**
+     * Range.compareEnd(row, column) -> Number
+     * - row (Number): A row point to compare with
+     * - column (Number): A column point to compare with
+     * + (Number): This method returns one of the following numbers:<br/>
+     * * `0` if the two points are exactly equal<br/>
+     * * `-1` if `p.row` is less then the calling range<br/>
+     * * `1` if `p.row` is greater than the calling range, or if `isEnd` is `true.<br/>
+     * <br/>
+     * If the starting row of the calling range is equal to `p.row`, and:<br/>
+     * * `p.column` is greater than or equal to the calling range's starting column, this returns `0`<br/>
+     * * Otherwise, it returns -1<br/>
+     *<br/>
+     * If the ending row of the calling range is equal to `p.row`, and:<br/>
+     * * `p.column` is less than or equal to the calling range's ending column, this returns `0`<br/>
+     * * Otherwise, it returns 1
+     *
+     * Checks the row and column points with the row and column points of the calling range.
+     *
+     *
+     **/
+    this.compareEnd = function(row, column) {
+        if (this.end.row == row && this.end.column == column) {
+            return 1;
+        } else {
+            return this.compare(row, column);
+        }
+    }
+
+    /** 
+     * Range.compareInside(row, column) -> Number
+     * - row (Number): A row point to compare with
+     * - column (Number): A column point to compare with
+     * + (Number): This method returns one of the following numbers:<br/>
+     * * `1` if the ending row of the calling range is equal to `row`, and the ending column of the calling range is equal to `column`<br/>
+     * * `-1` if the starting row of the calling range is equal to `row`, and the starting column of the calling range is equal to `column`<br/>
+     * <br/>
+     * Otherwise, it returns the value after calling [[Range.compare `compare()`]].
+     *
+     * Checks the row and column points with the row and column points of the calling range.
+     *
+     *
+     *
+     **/
+    this.compareInside = function(row, column) {
+        if (this.end.row == row && this.end.column == column) {
+            return 1;
+        } else if (this.start.row == row && this.start.column == column) {
+            return -1;
+        } else {
+            return this.compare(row, column);
+        }
+    }
+
+    /** 
+     * Range.clipRows(firstRow, lastRow) -> Range
+     * - firstRow (Number): The starting row
+     * - lastRow (Number): The ending row
+     *
+     * Returns the part of the current `Range` that occurs within the boundaries of `firstRow` and `lastRow` as a new `Range` object.
+     *
+    **/
+    this.clipRows = function(firstRow, lastRow) {
+        if (this.end.row > lastRow) {
+            var end = {
+                row: lastRow+1,
+                column: 0
+            };
+        }
+
+        if (this.start.row > lastRow) {
+            var start = {
+                row: lastRow+1,
+                column: 0
+            };
+        }
+
+        if (this.start.row < firstRow) {
+            var start = {
+                row: firstRow,
+                column: 0
+            };
+        }
+
+        if (this.end.row < firstRow) {
+            var end = {
+                row: firstRow,
+                column: 0
+            };
+        }
+        return Range.fromPoints(start || this.start, end || this.end);
+    };
+    this.extend = function(row, column) {
+        var cmp = this.compare(row, column);
+
+        if (cmp == 0)
+            return this;
+        else if (cmp == -1)
+            var start = {row: row, column: column};
+        else
+            var end = {row: row, column: column};
+
+        return Range.fromPoints(start || this.start, end || this.end);
+    };
+
+    this.isEmpty = function() {
+        return (this.start.row == this.end.row && this.start.column == this.end.column);
+    };
+    this.isMultiLine = function() {
+        return (this.start.row !== this.end.row);
+    };
+    this.clone = function() {
+        return Range.fromPoints(this.start, this.end);
+    };
+    this.collapseRows = function() {
+        if (this.end.column == 0)
+            return new Range(this.start.row, 0, Math.max(this.start.row, this.end.row-1), 0)
+        else
+            return new Range(this.start.row, 0, this.end.row, 0)
+    };
+    this.toScreenRange = function(session) {
+        var screenPosStart =
+            session.documentToScreenPosition(this.start);
+        var screenPosEnd =
+            session.documentToScreenPosition(this.end);
+
+        return new Range(
+            screenPosStart.row, screenPosStart.column,
+            screenPosEnd.row, screenPosEnd.column
+        );
+    };
+
+}).call(Range.prototype);
+Range.fromPoints = function(start, end) {
+    return new Range(start.row, start.column, end.row, end.column);
+};
+
+exports.Range = Range;
+});
+
+define('ace/anchor', ['require', 'exports', 'module' , 'ace/lib/oop', 'ace/lib/event_emitter'], function(require, exports, module) {
+
+
+var oop = require("./lib/oop");
+var EventEmitter = require("./lib/event_emitter").EventEmitter;
+
+/**
+ * new Anchor(doc, row, column)
+ * - doc (Document): The document to associate with the anchor
+ * - row (Number): The starting row position
+ * - column (Number): The starting column position
+ *
+ * Creates a new `Anchor` and associates it with a document.
+ *
+ **/
+
+var Anchor = exports.Anchor = function(doc, row, column) {
+    this.document = doc;
+    
+    if (typeof column == "undefined")
+        this.setPosition(row.row, row.column);
+    else
+        this.setPosition(row, column);
+
+    this.$onChange = this.onChange.bind(this);
+    doc.on("change", this.$onChange);
+};
+
+(function() {
+
+    oop.implement(this, EventEmitter);
+
+    this.getPosition = function() {
+        return this.$clipPositionToDocument(this.row, this.column);
+    };
+        
+    this.getDocument = function() {
+        return this.document;
+    };
+
+    this.onChange = function(e) {
+        var delta = e.data;
+        var range = delta.range;
+            
+        if (range.start.row == range.end.row && range.start.row != this.row)
+            return;
+            
+        if (range.start.row > this.row)
+            return;
+            
+        if (range.start.row == this.row && range.start.column > this.column)
+            return;
+    
+        var row = this.row;
+        var column = this.column;
+        
+        if (delta.action === "insertText") {
+            if (range.start.row === row && range.start.column <= column) {
+                if (range.start.row === range.end.row) {
+                    column += range.end.column - range.start.column;
+                }
+                else {
+                    column -= range.start.column;
+                    row += range.end.row - range.start.row;
+                }
+            }
+            else if (range.start.row !== range.end.row && range.start.row < row) {
+                row += range.end.row - range.start.row;
+            }
+        } else if (delta.action === "insertLines") {
+            if (range.start.row <= row) {
+                row += range.end.row - range.start.row;
+            }
+        }
+        else if (delta.action == "removeText") {
+            if (range.start.row == row && range.start.column < column) {
+                if (range.end.column >= column)
+                    column = range.start.column;
+                else
+                    column = Math.max(0, column - (range.end.column - range.start.column));
+                
+            } else if (range.start.row !== range.end.row && range.start.row < row) {
+                if (range.end.row == row) {
+                    column = Math.max(0, column - range.end.column) + range.start.column;
+                }
+                row -= (range.end.row - range.start.row);
+            }
+            else if (range.end.row == row) {
+                row -= range.end.row - range.start.row;
+                column = Math.max(0, column - range.end.column) + range.start.column;
+            }
+        } else if (delta.action == "removeLines") {
+            if (range.start.row <= row) {
+                if (range.end.row <= row)
+                    row -= range.end.row - range.start.row;
+                else {
+                    row = range.start.row;
+                    column = 0;
+                }
+            }
+        }
+
+        this.setPosition(row, column, true);
+    };
+
+    this.setPosition = function(row, column, noClip) {
+        var pos;
+        if (noClip) {
+            pos = {
+                row: row,
+                column: column
+            };
+        }
+        else {
+            pos = this.$clipPositionToDocument(row, column);
+        }
+        
+        if (this.row == pos.row && this.column == pos.column)
+            return;
+            
+        var old = {
+            row: this.row,
+            column: this.column
+        };
+        
+        this.row = pos.row;
+        this.column = pos.column;
+        this._emit("change", {
+            old: old,
+            value: pos
+        });
+    };
+
+    this.detach = function() {
+        this.document.removeEventListener("change", this.$onChange);
+    };
+
+    this.$clipPositionToDocument = function(row, column) {
+        var pos = {};
+    
+        if (row >= this.document.getLength()) {
+            pos.row = Math.max(0, this.document.getLength() - 1);
+            pos.column = this.document.getLine(pos.row).length;
+        }
+        else if (row < 0) {
+            pos.row = 0;
+            pos.column = 0;
+        }
+        else {
+            pos.row = row;
+            pos.column = Math.min(this.document.getLine(pos.row).length, Math.max(0, column));
+        }
+        
+        if (column < 0)
+            pos.column = 0;
+            
+        return pos;
+    };
+    
+}).call(Anchor.prototype);
+
+});
+
+define('ace/lib/lang', ['require', 'exports', 'module' ], function(require, exports, module) {
+
+
+exports.stringReverse = function(string) {
+    return string.split("").reverse().join("");
+};
+
+exports.stringRepeat = function (string, count) {
+     return new Array(count + 1).join(string);
+};
+
+var trimBeginRegexp = /^\s\s*/;
+var trimEndRegexp = /\s\s*$/;
+
+exports.stringTrimLeft = function (string) {
+    return string.replace(trimBeginRegexp, '');
+};
+
+exports.stringTrimRight = function (string) {
+    return string.replace(trimEndRegexp, '');
+};
+
+exports.copyObject = function(obj) {
+    var copy = {};
+    for (var key in obj) {
+        copy[key] = obj[key];
+    }
+    return copy;
+};
+
+exports.copyArray = function(array){
+    var copy = [];
+    for (var i=0, l=array.length; i<l; i++) {
+        if (array[i] && typeof array[i] == "object")
+            copy[i] = this.copyObject( array[i] );
+        else 
+            copy[i] = array[i];
+    }
+    return copy;
+};
+
+exports.deepCopy = function (obj) {
+    if (typeof obj != "object") {
+        return obj;
+    }
+    
+    var copy = obj.constructor();
+    for (var key in obj) {
+        if (typeof obj[key] == "object") {
+            copy[key] = this.deepCopy(obj[key]);
+        } else {
+            copy[key] = obj[key];
+        }
+    }
+    return copy;
+};
+
+exports.arrayToMap = function(arr) {
+    var map = {};
+    for (var i=0; i<arr.length; i++) {
+        map[arr[i]] = 1;
+    }
+    return map;
+
+};
+exports.arrayRemove = function(array, value) {
+  for (var i = 0; i <= array.length; i++) {
+    if (value === array[i]) {
+      array.splice(i, 1);
+    }
+  }
+};
+
+exports.escapeRegExp = function(str) {
+    return str.replace(/([.*+?^${}()|[\]\/\\])/g, '\\$1');
+};
+
+exports.getMatchOffsets = function(string, regExp) {
+    var matches = [];
+
+    string.replace(regExp, function(str) {
+        matches.push({
+            offset: arguments[arguments.length-2],
+            length: str.length
+        });
+    });
+
+    return matches;
+};
+
+
+exports.deferredCall = function(fcn) {
+
+    var timer = null;
+    var callback = function() {
+        timer = null;
+        fcn();
+    };
+
+    var deferred = function(timeout) {
+        deferred.cancel();
+        timer = setTimeout(callback, timeout || 0);
+        return deferred;
+    };
+
+    deferred.schedule = deferred;
+
+    deferred.call = function() {
+        this.cancel();
+        fcn();
+        return deferred;
+    };
+
+    deferred.cancel = function() {
+        clearTimeout(timer);
+        timer = null;
+        return deferred;
+    };
+
+    return deferred;
+};
+
+});
+define('ace/worker/jshint', ['require', 'exports', 'module' ], function(require, exports, module) {
+/*!
+ * JSHint, by JSHint Community.
+ *
+ * Licensed under the same slightly modified MIT license that JSLint is.
+ * It stops evil-doers everywhere.
+ *
+ * JSHint is a derivative work of JSLint:
+ *
+ *   Copyright (c) 2002 Douglas Crockford  (www.JSLint.com)
+ *
+ *   Permission is hereby granted, free of charge, to any person obtaining
+ *   a copy of this software and associated documentation files (the "Software"),
+ *   to deal in the Software without restriction, including without limitation
+ *   the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ *   and/or sell copies of the Software, and to permit persons to whom
+ *   the Software is furnished to do so, subject to the following conditions:
+ *
+ *   The above copyright notice and this permission notice shall be included
+ *   in all copies or substantial portions of the Software.
+ *
+ *   The Software shall be used for Good, not Evil.
+ *
+ *   THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ *   IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ *   FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ *   AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ *   LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ *   FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
+ *   DEALINGS IN THE SOFTWARE.
+ *
+ * JSHint was forked from 2010-12-16 edition of JSLint.
+ *
+ */
+
+/*
+ JSHINT is a global function. It takes two parameters.
+
+     var myResult = JSHINT(source, option);
+
+ The first parameter is either a string or an array of strings. If it is a
+ string, it will be split on '\n' or '\r'. If it is an array of strings, it
+ is assumed that each string represents one line. The source can be a
+ JavaScript text or a JSON text.
+
+ The second parameter is an optional object of options which control the
+ operation of JSHINT. Most of the options are booleans: They are all
+ optional and have a default value of false. One of the options, predef,
+ can be an array of names, which will be used to declare global variables,
+ or an object whose keys are used as global names, with a boolean value
+ that determines if they are assignable.
+
+ If it checks out, JSHINT returns true. Otherwise, it returns false.
+
+ If false, you can inspect JSHINT.errors to find out the problems.
+ JSHINT.errors is an array of objects containing these members:
+
+ {
+     line      : The line (relative to 0) at which the lint was found
+     character : The character (relative to 0) at which the lint was found
+     reason    : The problem
+     evidence  : The text line in which the problem occurred
+     raw       : The raw message before the details were inserted
+     a         : The first detail
+     b         : The second detail
+     c         : The third detail
+     d         : The fourth detail
+ }
+
+ If a fatal error was found, a null will be the last element of the
+ JSHINT.errors array.
+
+ You can request a Function Report, which shows all of the functions
+ and the parameters and vars that they use. This can be used to find
+ implied global variables and other problems. The report is in HTML and
+ can be inserted in an HTML <body>.
+
+     var myReport = JSHINT.report(limited);
+
+ If limited is true, then the report will be limited to only errors.
+
+ You can request a data structure which contains JSHint's results.
+
+     var myData = JSHINT.data();
+
+ It returns a structure with this form:
+
+ {
+     errors: [
+         {
+             line: NUMBER,
+             character: NUMBER,
+             reason: STRING,
+             evidence: STRING
+         }
+     ],
+     functions: [
+         name: STRING,
+         line: NUMBER,
+         last: NUMBER,
+         param: [
+             STRING
+         ],
+         closure: [
+             STRING
+         ],
+         var: [
+             STRING
+         ],
+         exception: [
+             STRING
+         ],
+         outer: [
+             STRING
+         ],
+         unused: [
+             STRING
+         ],
+         global: [
+             STRING
+         ],
+         label: [
+             STRING
+         ]
+     ],
+     globals: [
+         STRING
+     ],
+     member: {
+         STRING: NUMBER
+     },
+     unused: [
+         {
+             name: STRING,
+             line: NUMBER
+         }
+     ],
+     implieds: [
+         {
+             name: STRING,
+             line: NUMBER
+         }
+     ],
+     urls: [
+         STRING
+     ],
+     json: BOOLEAN
+ }
+
+ Empty arrays will not be included.
+
+*/
+
+/*jshint
+ evil: true, nomen: false, onevar: false, regexp: false, strict: true, boss: true,
+ undef: true, maxlen: 100, indent:4
+*/
+
+/*members "\b", "\t", "\n", "\f", "\r", "!=", "!==", "\"", "%", "(begin)",
+ "(breakage)", "(context)", "(error)", "(global)", "(identifier)", "(last)",
+ "(line)", "(loopage)", "(name)", "(onevar)", "(params)", "(scope)",
+ "(statement)", "(verb)", "*", "+", "++", "-", "--", "\/", "<", "<=", "==",
+ "===", ">", ">=", $, $$, $A, $F, $H, $R, $break, $continue, $w, Abstract, Ajax,
+ __filename, __dirname, ActiveXObject, Array, ArrayBuffer, ArrayBufferView, Audio,
+ Autocompleter, Assets, Boolean, Builder, Buffer, Browser, COM, CScript, Canvas,
+ CustomAnimation, Class, Control, Chain, Color, Cookie, Core, DataView, Date,
+ Debug, Draggable, Draggables, Droppables, Document, DomReady, DOMReady, DOMParser, Drag,
+ E, Enumerator, Enumerable, Element, Elements, Error, Effect, EvalError, Event,
+ Events, FadeAnimation, Field, Flash, Float32Array, Float64Array, Form,
+ FormField, Frame, FormData, Function, Fx, GetObject, Group, Hash, HotKey,
+ HTMLElement, HTMLAnchorElement, HTMLBaseElement, HTMLBlockquoteElement,
+ HTMLBodyElement, HTMLBRElement, HTMLButtonElement, HTMLCanvasElement, HTMLDirectoryElement,
+ HTMLDivElement, HTMLDListElement, HTMLFieldSetElement,
+ HTMLFontElement, HTMLFormElement, HTMLFrameElement, HTMLFrameSetElement,
+ HTMLHeadElement, HTMLHeadingElement, HTMLHRElement, HTMLHtmlElement,
+ HTMLIFrameElement, HTMLImageElement, HTMLInputElement, HTMLIsIndexElement,
+ HTMLLabelElement, HTMLLayerElement, HTMLLegendElement, HTMLLIElement,
+ HTMLLinkElement, HTMLMapElement, HTMLMenuElement, HTMLMetaElement,
+ HTMLModElement, HTMLObjectElement, HTMLOListElement, HTMLOptGroupElement,
+ HTMLOptionElement, HTMLParagraphElement, HTMLParamElement, HTMLPreElement,
+ HTMLQuoteElement, HTMLScriptElement, HTMLSelectElement, HTMLStyleElement,
+ HtmlTable, HTMLTableCaptionElement, HTMLTableCellElement, HTMLTableColElement,
+ HTMLTableElement, HTMLTableRowElement, HTMLTableSectionElement,
+ HTMLTextAreaElement, HTMLTitleElement, HTMLUListElement, HTMLVideoElement,
+ Iframe, IframeShim, Image, Int16Array, Int32Array, Int8Array,
+ Insertion, InputValidator, JSON, Keyboard, Locale, LN10, LN2, LOG10E, LOG2E,
+ MAX_VALUE, MIN_VALUE, Mask, Math, MenuItem, MessageChannel, MessageEvent, MessagePort,
+ MoveAnimation, MooTools, Native, NEGATIVE_INFINITY, Number, Object, ObjectRange, Option,
+ Options, OverText, PI, POSITIVE_INFINITY, PeriodicalExecuter, Point, Position, Prototype,
+ RangeError, Rectangle, ReferenceError, RegExp, ResizeAnimation, Request, RotateAnimation,
+ SQRT1_2, SQRT2, ScrollBar, ScriptEngine, ScriptEngineBuildVersion,
+ ScriptEngineMajorVersion, ScriptEngineMinorVersion, Scriptaculous, Scroller,
+ Slick, Slider, Selector, SharedWorker, String, Style, SyntaxError, Sortable, Sortables,
+ SortableObserver, Sound, Spinner, System, Swiff, Text, TextArea, Template,
+ Timer, Tips, Type, TypeError, Toggle, Try, "use strict", unescape, URI, URIError, URL,
+ VBArray, WSH, WScript, XDomainRequest, Web, Window, XMLDOM, XMLHttpRequest, XMLSerializer,
+ XPathEvaluator, XPathException, XPathExpression, XPathNamespace, XPathNSResolver, XPathResult,
+ "\\", a, addEventListener, address, alert, apply, applicationCache, arguments, arity, asi, atob,
+ b, basic, basicToken, bitwise, block, blur, boolOptions, boss, browser, btoa, c, call, callee,
+ caller, cases, charAt, charCodeAt, character, clearInterval, clearTimeout,
+ close, closed, closure, comment, condition, confirm, console, constructor,
+ content, couch, create, css, curly, d, data, datalist, dd, debug, decodeURI,
+ decodeURIComponent, defaultStatus, defineClass, deserialize, devel, document,
+ dojo, dijit, dojox, define, else, emit, encodeURI, encodeURIComponent,
+ entityify, eqeqeq, eqnull, errors, es5, escape, esnext, eval, event, evidence, evil,
+ ex, exception, exec, exps, expr, exports, FileReader, first, floor, focus,
+ forin, fragment, frames, from, fromCharCode, fud, funcscope, funct, function, functions,
+ g, gc, getComputedStyle, getRow, getter, getterToken, GLOBAL, global, globals, globalstrict,
+ hasOwnProperty, help, history, i, id, identifier, immed, implieds, importPackage, include,
+ indent, indexOf, init, ins, instanceOf, isAlpha, isApplicationRunning, isArray,
+ isDigit, isFinite, isNaN, iterator, java, join, jshint,
+ JSHINT, json, jquery, jQuery, keys, label, labelled, last, lastsemic, laxbreak, laxcomma,
+ latedef, lbp, led, left, length, line, load, loadClass, localStorage, location,
+ log, loopfunc, m, match, maxerr, maxlen, member,message, meta, module, moveBy,
+ moveTo, mootools, multistr, name, navigator, new, newcap, noarg, node, noempty, nomen,
+ nonew, nonstandard, nud, onbeforeunload, onblur, onerror, onevar, onecase, onfocus,
+ onload, onresize, onunload, open, openDatabase, openURL, opener, opera, options, outer, param,
+ parent, parseFloat, parseInt, passfail, plusplus, predef, print, process, prompt,
+ proto, prototype, prototypejs, provides, push, quit, range, raw, reach, reason, regexp,
+ readFile, readUrl, regexdash, removeEventListener, replace, report, require,
+ reserved, resizeBy, resizeTo, resolvePath, resumeUpdates, respond, rhino, right,
+ runCommand, scroll, screen, scripturl, scrollBy, scrollTo, scrollbar, search, seal,
+ send, serialize, sessionStorage, setInterval, setTimeout, setter, setterToken, shift, slice,
+ smarttabs, sort, spawn, split, stack, status, start, strict, sub, substr, supernew, shadow,
+ supplant, sum, sync, test, toLowerCase, toString, toUpperCase, toint32, token, top, trailing,
+ type, typeOf, Uint16Array, Uint32Array, Uint8Array, undef, undefs, unused, urls, validthis,
+ value, valueOf, var, version, WebSocket, withstmt, white, window, Worker, wsh*/
+
+/*global exports: false */
+
+// We build the application inside a function so that we produce only a single
+// global variable. That function will be invoked immediately, and its return
+// value is the JSHINT function itself.
+
+var JSHINT = (function () {
+    
+
+    var anonname,       // The guessed name for anonymous functions.
+
+// These are operators that should not be used with the ! operator.
+
+        bang = {
+            '<'  : true,
+            '<=' : true,
+            '==' : true,
+            '===': true,
+            '!==': true,
+            '!=' : true,
+            '>'  : true,
+            '>=' : true,
+            '+'  : true,
+            '-'  : true,
+            '*'  : true,
+            '/'  : true,
+            '%'  : true
+        },
+
+        // These are the JSHint boolean options.
+        boolOptions = {
+            asi         : true, // if automatic semicolon insertion should be tolerated
+            bitwise     : true, // if bitwise operators should not be allowed
+            boss        : true, // if advanced usage of assignments should be allowed
+            browser     : true, // if the standard browser globals should be predefined
+            couch       : true, // if CouchDB globals should be predefined
+            curly       : true, // if curly braces around all blocks should be required
+            debug       : true, // if debugger statements should be allowed
+            devel       : true, // if logging globals should be predefined (console,
+                                // alert, etc.)
+            dojo        : true, // if Dojo Toolkit globals should be predefined
+            eqeqeq      : true, // if === should be required
+            eqnull      : true, // if == null comparisons should be tolerated
+            es5         : true, // if ES5 syntax should be allowed
+            esnext      : true, // if es.next specific syntax should be allowed
+            evil        : true, // if eval should be allowed
+            expr        : true, // if ExpressionStatement should be allowed as Programs
+            forin       : true, // if for in statements must filter
+            funcscope   : true, // if only function scope should be used for scope tests
+            globalstrict: true, // if global  should be allowed (also
+                                // enables 'strict')
+            immed       : true, // if immediate invocations must be wrapped in parens
+            iterator    : true, // if the `__iterator__` property should be allowed
+            jquery      : true, // if jQuery globals should be predefined
+            lastsemic   : true, // if semicolons may be ommitted for the trailing
+                                // statements inside of a one-line blocks.
+            latedef     : true, // if the use before definition should not be tolerated
+            laxbreak    : true, // if line breaks should not be checked
+            laxcomma    : true, // if line breaks should not be checked around commas
+            loopfunc    : true, // if functions should be allowed to be defined within
+                                // loops
+            mootools    : true, // if MooTools globals should be predefined
+            multistr    : true, // allow multiline strings
+            newcap      : true, // if constructor names must be capitalized
+            noarg       : true, // if arguments.caller and arguments.callee should be
+                                // disallowed
+            node        : true, // if the Node.js environment globals should be
+                                // predefined
+            noempty     : true, // if empty blocks should be disallowed
+            nonew       : true, // if using `new` for side-effects should be disallowed
+            nonstandard : true, // if non-standard (but widely adopted) globals should
+                                // be predefined
+            nomen       : true, // if names should be checked
+            onevar      : true, // if only one var statement per function should be
+                                // allowed
+            onecase     : true, // if one case switch statements should be allowed
+            passfail    : true, // if the scan should stop on first error
+            plusplus    : true, // if increment/decrement should not be allowed
+            proto       : true, // if the `__proto__` property should be allowed
+            prototypejs : true, // if Prototype and Scriptaculous globals should be
+                                // predefined
+            regexdash   : true, // if unescaped first/last dash (-) inside brackets
+                                // should be tolerated
+            regexp      : true, // if the . should not be allowed in regexp literals
+            rhino       : true, // if the Rhino environment globals should be predefined
+            undef       : true, // if variables should be declared before used
+            scripturl   : true, // if script-targeted URLs should be tolerated
+            shadow      : true, // if variable shadowing should be tolerated
+            smarttabs   : true, // if smarttabs should be tolerated
+                                // (http://www.emacswiki.org/emacs/SmartTabs)
+            strict      : true, // require the  pragma
+            sub         : true, // if all forms of subscript notation are tolerated
+            supernew    : true, // if `new function () { ... };` and `new Object;`
+                                // should be tolerated
+            trailing    : true, // if trailing whitespace rules apply
+            validthis   : true, // if 'this' inside a non-constructor function is valid.
+                                // This is a function scoped option only.
+            withstmt    : true, // if with statements should be allowed
+            white       : true, // if strict whitespace rules apply
+            wsh         : true  // if the Windows Scripting Host environment globals
+                                // should be predefined
+        },
+
+        // These are the JSHint options that can take any value
+        // (we use this object to detect invalid options)
+        valOptions = {
+            maxlen: false,
+            indent: false,
+            maxerr: false,
+            predef: false
+        },
+
+
+        // browser contains a set of global names which are commonly provided by a
+        // web browser environment.
+        browser = {
+            ArrayBuffer              :  false,
+            ArrayBufferView          :  false,
+            Audio                    :  false,
+            addEventListener         :  false,
+            applicationCache         :  false,
+            atob                     :  false,
+            blur                     :  false,
+            btoa                     :  false,
+            clearInterval            :  false,
+            clearTimeout             :  false,
+            close                    :  false,
+            closed                   :  false,
+            DataView                 :  false,
+            DOMParser                :  false,
+            defaultStatus            :  false,
+            document                 :  false,
+            event                    :  false,
+            FileReader               :  false,
+            Float32Array             :  false,
+            Float64Array             :  false,
+            FormData                 :  false,
+            focus                    :  false,
+            frames                   :  false,
+            getComputedStyle         :  false,
+            HTMLElement              :  false,
+            HTMLAnchorElement        :  false,
+            HTMLBaseElement          :  false,
+            HTMLBlockquoteElement    :  false,
+            HTMLBodyElement          :  false,
+            HTMLBRElement            :  false,
+            HTMLButtonElement        :  false,
+            HTMLCanvasElement        :  false,
+            HTMLDirectoryElement     :  false,
+            HTMLDivElement           :  false,
+            HTMLDListElement         :  false,
+            HTMLFieldSetElement      :  false,
+            HTMLFontElement          :  false,
+            HTMLFormElement          :  false,
+            HTMLFrameElement         :  false,
+            HTMLFrameSetElement      :  false,
+            HTMLHeadElement          :  false,
+            HTMLHeadingElement       :  false,
+            HTMLHRElement            :  false,
+            HTMLHtmlElement          :  false,
+            HTMLIFrameElement        :  false,
+            HTMLImageElement         :  false,
+            HTMLInputElement         :  false,
+            HTMLIsIndexElement       :  false,
+            HTMLLabelElement         :  false,
+            HTMLLayerElement         :  false,
+            HTMLLegendElement        :  false,
+            HTMLLIElement            :  false,
+            HTMLLinkElement          :  false,
+            HTMLMapElement           :  false,
+            HTMLMenuElement          :  false,
+            HTMLMetaElement          :  false,
+            HTMLModElement           :  false,
+            HTMLObjectElement        :  false,
+            HTMLOListElement         :  false,
+            HTMLOptGroupElement      :  false,
+            HTMLOptionElement        :  false,
+            HTMLParagraphElement     :  false,
+            HTMLParamElement         :  false,
+            HTMLPreElement           :  false,
+            HTMLQuoteElement         :  false,
+            HTMLScriptElement        :  false,
+            HTMLSelectElement        :  false,
+            HTMLStyleElement         :  false,
+            HTMLTableCaptionElement  :  false,
+            HTMLTableCellElement     :  false,
+            HTMLTableColElement      :  false,
+            HTMLTableElement         :  false,
+            HTMLTableRowElement      :  false,
+            HTMLTableSectionElement  :  false,
+            HTMLTextAreaElement      :  false,
+            HTMLTitleElement         :  false,
+            HTMLUListElement         :  false,
+            HTMLVideoElement         :  false,
+            history                  :  false,
+            Int16Array               :  false,
+            Int32Array               :  false,
+            Int8Array                :  false,
+            Image                    :  false,
+            length                   :  false,
+            localStorage             :  false,
+            location                 :  false,
+            MessageChannel           :  false,
+            MessageEvent             :  false,
+            MessagePort              :  false,
+            moveBy                   :  false,
+            moveTo                   :  false,
+            name                     :  false,
+            navigator                :  false,
+            onbeforeunload           :  true,
+            onblur                   :  true,
+            onerror                  :  true,
+            onfocus                  :  true,
+            onload                   :  true,
+            onresize                 :  true,
+            onunload                 :  true,
+            open                     :  false,
+            openDatabase             :  false,
+            opener                   :  false,
+            Option                   :  false,
+            parent                   :  false,
+            print                    :  false,
+            removeEventListener      :  false,
+            resizeBy                 :  false,
+            resizeTo                 :  false,
+            screen                   :  false,
+            scroll                   :  false,
+            scrollBy                 :  false,
+            scrollTo                 :  false,
+            sessionStorage           :  false,
+            setInterval              :  false,
+            setTimeout               :  false,
+            SharedWorker             :  false,
+            status                   :  false,
+            top                      :  false,
+            Uint16Array              :  false,
+            Uint32Array              :  false,
+            Uint8Array               :  false,
+            WebSocket                :  false,
+            window                   :  false,
+            Worker                   :  false,
+            XMLHttpRequest           :  false,
+            XMLSerializer            :  false,
+            XPathEvaluator           :  false,
+            XPathException           :  false,
+            XPathExpression          :  false,
+            XPathNamespace           :  false,
+            XPathNSResolver          :  false,
+            XPathResult              :  false
+        },
+
+        couch = {
+            "require" : false,
+            respond   : false,
+            getRow    : false,
+            emit      : false,
+            send      : false,
+            start     : false,
+            sum       : false,
+            log       : false,
+            exports   : false,
+            module    : false,
+            provides  : false
+        },
+
+        devel = {
+            alert   : false,
+            confirm : false,
+            console : false,
+            Debug   : false,
+            opera   : false,
+            prompt  : false
+        },
+
+        dojo = {
+            dojo      : false,
+            dijit     : false,
+            dojox     : false,
+            define    : false,
+            "require" : false
+        },
+
+        escapes = {
+            '\b': '\\b',
+            '\t': '\\t',
+            '\n': '\\n',
+            '\f': '\\f',
+            '\r': '\\r',
+            '"' : '\\"',
+            '/' : '\\/',
+            '\\': '\\\\'
+        },
+
+        funct,          // The current function
+
+        functionicity = [
+            'closure', 'exception', 'global', 'label',
+            'outer', 'unused', 'var'
+        ],
+
+        functions,      // All of the functions
+
+        global,         // The global scope
+        implied,        // Implied globals
+        inblock,
+        indent,
+        jsonmode,
+
+        jquery = {
+            '$'    : false,
+            jQuery : false
+        },
+
+        lines,
+        lookahead,
+        member,
+        membersOnly,
+
+        mootools = {
+            '$'             : false,
+            '$$'            : false,
+            Assets          : false,
+            Browser         : false,
+            Chain           : false,
+            Class           : false,
+            Color           : false,
+            Cookie          : false,
+            Core            : false,
+            Document        : false,
+            DomReady        : false,
+            DOMReady        : false,
+            Drag            : false,
+            Element         : false,
+            Elements        : false,
+            Event           : false,
+            Events          : false,
+            Fx              : false,
+            Group           : false,
+            Hash            : false,
+            HtmlTable       : false,
+            Iframe          : false,
+            IframeShim      : false,
+            InputValidator  : false,
+            instanceOf      : false,
+            Keyboard        : false,
+            Locale          : false,
+            Mask            : false,
+            MooTools        : false,
+            Native          : false,
+            Options         : false,
+            OverText        : false,
+            Request         : false,
+            Scroller        : false,
+            Slick           : false,
+            Slider          : false,
+            Sortables       : false,
+            Spinner         : false,
+            Swiff           : false,
+            Tips            : false,
+            Type            : false,
+            typeOf          : false,
+            URI             : false,
+            Window          : false
+        },
+
+        nexttoken,
+
+        node = {
+            __filename    : false,
+            __dirname     : false,
+            Buffer        : false,
+            console       : false,
+            exports       : false,
+            GLOBAL        : false,
+            global        : false,
+            module        : false,
+            process       : false,
+            require       : false,
+            setTimeout    : false,
+            clearTimeout  : false,
+            setInterval   : false,
+            clearInterval : false
+        },
+
+        noreach,
+        option,
+        predefined,     // Global variables defined by option
+        prereg,
+        prevtoken,
+
+        prototypejs = {
+            '$'               : false,
+            '$$'              : false,
+            '$A'              : false,
+            '$F'              : false,
+            '$H'              : false,
+            '$R'              : false,
+            '$break'          : false,
+            '$continue'       : false,
+            '$w'              : false,
+            Abstract          : false,
+            Ajax              : false,
+            Class             : false,
+            Enumerable        : false,
+            Element           : false,
+            Event             : false,
+            Field             : false,
+            Form              : false,
+            Hash              : false,
+            Insertion         : false,
+            ObjectRange       : false,
+            PeriodicalExecuter: false,
+            Position          : false,
+            Prototype         : false,
+            Selector          : false,
+            Template          : false,
+            Toggle            : false,
+            Try               : false,
+            Autocompleter     : false,
+            Builder           : false,
+            Control           : false,
+            Draggable         : false,
+            Draggables        : false,
+            Droppables        : false,
+            Effect            : false,
+            Sortable          : false,
+            SortableObserver  : false,
+            Sound             : false,
+            Scriptaculous     : false
+        },
+
+        rhino = {
+            defineClass  : false,
+            deserialize  : false,
+            gc           : false,
+            help         : false,
+            importPackage: false,
+            "java"       : false,
+            load         : false,
+            loadClass    : false,
+            print        : false,
+            quit         : false,
+            readFile     : false,
+            readUrl      : false,
+            runCommand   : false,
+            seal         : false,
+            serialize    : false,
+            spawn        : false,
+            sync         : false,
+            toint32      : false,
+            version      : false
+        },
+
+        scope,      // The current scope
+        stack,
+
+        // standard contains the global names that are provided by the
+        // ECMAScript standard.
+        standard = {
+            Array               : false,
+            Boolean             : false,
+            Date                : false,
+            decodeURI           : false,
+            decodeURIComponent  : false,
+            encodeURI           : false,
+            encodeURIComponent  : false,
+            Error               : false,
+            'eval'              : false,
+            EvalError           : false,
+            Function            : false,
+            hasOwnProperty      : false,
+            isFinite            : false,
+            isNaN               : false,
+            JSON                : false,
+            Math                : false,
+            Number              : false,
+            Object              : false,
+            parseInt            : false,
+            parseFloat          : false,
+            RangeError          : false,
+            ReferenceError      : false,
+            RegExp              : false,
+            String              : false,
+            SyntaxError         : false,
+            TypeError           : false,
+            URIError            : false
+        },
+
+        // widely adopted global names that are not part of ECMAScript standard
+        nonstandard = {
+            escape              : false,
+            unescape            : false
+        },
+
+        standard_member = {
+            E                   : true,
+            LN2                 : true,
+            LN10                : true,
+            LOG2E               : true,
+            LOG10E              : true,
+            MAX_VALUE           : true,
+            MIN_VALUE           : true,
+            NEGATIVE_INFINITY   : true,
+            PI                  : true,
+            POSITIVE_INFINITY   : true,
+            SQRT1_2             : true,
+            SQRT2               : true
+        },
+
+        directive,
+        syntax = {},
+        tab,
+        token,
+        urls,
+        useESNextSyntax,
+        warnings,
+
+        wsh = {
+            ActiveXObject             : true,
+            Enumerator                : true,
+            GetObject                 : true,
+            ScriptEngine              : true,
+            ScriptEngineBuildVersion  : true,
+            ScriptEngineMajorVersion  : true,
+            ScriptEngineMinorVersion  : true,
+            VBArray                   : true,
+            WSH                       : true,
+            WScript                   : true,
+            XDomainRequest            : true
+        };
+
+    // Regular expressions. Some of these are stupidly long.
+    var ax, cx, tx, nx, nxg, lx, ix, jx, ft;
+    (function () {
+        /*jshint maxlen:300 */
+
+        // unsafe comment or string
+        ax = /@cc|<\/?|script|\]\s*\]|<\s*!|&lt/i;
+
+        // unsafe characters that are silently deleted by one or more browsers
+        cx = /[\u0000-\u001f\u007f-\u009f\u00ad\u0600-\u0604\u070f\u17b4\u17b5\u200c-\u200f\u2028-\u202f\u2060-\u206f\ufeff\ufff0-\uffff]/;
+
+        // token
+        tx = /^\s*([(){}\[.,:;'"~\?\]#@]|==?=?|\/(\*(jshint|jslint|members?|global)?|=|\/)?|\*[\/=]?|\+(?:=|\++)?|-(?:=|-+)?|%=?|&[&=]?|\|[|=]?|>>?>?=?|<([\/=!]|\!(\[|--)?|<=?)?|\^=?|\!=?=?|[a-zA-Z_$][a-zA-Z0-9_$]*|[0-9]+([xX][0-9a-fA-F]+|\.[0-9]*)?([eE][+\-]?[0-9]+)?)/;
+
+        // characters in strings that need escapement
+        nx = /[\u0000-\u001f&<"\/\\\u007f-\u009f\u00ad\u0600-\u0604\u070f\u17b4\u17b5\u200c-\u200f\u2028-\u202f\u2060-\u206f\ufeff\ufff0-\uffff]/;
+        nxg = /[\u0000-\u001f&<"\/\\\u007f-\u009f\u00ad\u0600-\u0604\u070f\u17b4\u17b5\u200c-\u200f\u2028-\u202f\u2060-\u206f\ufeff\ufff0-\uffff]/g;
+
+        // star slash
+        lx = /\*\/|\/\*/;
+
+        // identifier
+        ix = /^([a-zA-Z_$][a-zA-Z0-9_$]*)$/;
+
+        // javascript url
+        jx = /^(?:javascript|jscript|ecmascript|vbscript|mocha|livescript)\s*:/i;
+
+        // catches /* falls through */ comments
+        ft = /^\s*\/\*\s*falls\sthrough\s*\*\/\s*$/;
+    }());
+
+    function F() {}     // Used by Object.create
+
+    function is_own(object, name) {
+
+// The object.hasOwnProperty method fails when the property under consideration
+// is named 'hasOwnProperty'. So we have to use this more convoluted form.
+
+        return Object.prototype.hasOwnProperty.call(object, name);
+    }
+
+    function checkOption(name, t) {
+        if (valOptions[name] === undefined && boolOptions[name] === undefined) {
+            warning("Bad option: '" + name + "'.", t);
+        }
+    }
+
+// Provide critical ES5 functions to ES3.
+
+    if (typeof Array.isArray !== 'function') {
+        Array.isArray = function (o) {
+            return Object.prototype.toString.apply(o) === '[object Array]';
+        };
+    }
+
+    if (typeof Object.create !== 'function') {
+        Object.create = function (o) {
+            F.prototype = o;
+            return new F();
+        };
+    }
+
+    if (typeof Object.keys !== 'function') {
+        Object.keys = function (o) {
+            var a = [], k;
+            for (k in o) {
+                if (is_own(o, k)) {
+                    a.push(k);
+                }
+            }
+            return a;
+        };
+    }
+
+// Non standard methods
+
+    if (typeof String.prototype.entityify !== 'function') {
+        String.prototype.entityify = function () {
+            return this
+                .replace(/&/g, '&amp;')
+                .replace(/</g, '&lt;')
+                .replace(/>/g, '&gt;');
+        };
+    }
+
+    if (typeof String.prototype.isAlpha !== 'function') {
+        String.prototype.isAlpha = function () {
+            return (this >= 'a' && this <= 'z\uffff') ||
+                (this >= 'A' && this <= 'Z\uffff');
+        };
+    }
+
+    if (typeof String.prototype.isDigit !== 'function') {
+        String.prototype.isDigit = function () {
+            return (this >= '0' && this <= '9');
+        };
+    }
+
+    if (typeof String.prototype.supplant !== 'function') {
+        String.prototype.supplant = function (o) {
+            return this.replace(/\{([^{}]*)\}/g, function (a, b) {
+                var r = o[b];
+                return typeof r === 'string' || typeof r === 'number' ? r : a;
+            });
+        };
+    }
+
+    if (typeof String.prototype.name !== 'function') {
+        String.prototype.name = function () {
+
+// If the string looks like an identifier, then we can return it as is.
+// If the string contains no control characters, no quote characters, and no
+// backslash characters, then we can simply slap some quotes around it.
+// Otherwise we must also replace the offending characters with safe
+// sequences.
+
+            if (ix.test(this)) {
+                return this;
+            }
+            if (nx.test(this)) {
+                return '"' + this.replace(nxg, function (a) {
+                    var c = escapes[a];
+                    if (c) {
+                        return c;
+                    }
+                    return '\\u' + ('0000' + a.charCodeAt().toString(16)).slice(-4);
+                }) + '"';
+            }
+            return '"' + this + '"';
+        };
+    }
+
+
+    function combine(t, o) {
+        var n;
+        for (n in o) {
+            if (is_own(o, n)) {
+                t[n] = o[n];
+            }
+        }
+    }
+
+    function assume() {
+        if (option.couch) {
+            combine(predefined, couch);
+        }
+
+        if (option.rhino) {
+            combine(predefined, rhino);
+        }
+
+        if (option.prototypejs) {
+            combine(predefined, prototypejs);
+        }
+
+        if (option.node) {
+            combine(predefined, node);
+            option.globalstrict = true;
+        }
+
+        if (option.devel) {
+            combine(predefined, devel);
+        }
+
+        if (option.dojo) {
+            combine(predefined, dojo);
+        }
+
+        if (option.browser) {
+            combine(predefined, browser);
+        }
+
+        if (option.nonstandard) {
+            combine(predefined, nonstandard);
+        }
+
+        if (option.jquery) {
+            combine(predefined, jquery);
+        }
+
+        if (option.mootools) {
+            combine(predefined, mootools);
+        }
+
+        if (option.wsh) {
+            combine(predefined, wsh);
+        }
+
+        if (option.esnext) {
+            useESNextSyntax();
+        }
+
+        if (option.globalstrict && option.strict !== false) {
+            option.strict = true;
+        }
+    }
+
+
+    // Produce an error warning.
+    function quit(message, line, chr) {
+        var percentage = Math.floor((line / lines.length) * 100);
+
+        throw {
+            name: 'JSHintError',
+            line: line,
+            character: chr,
+            message: message + " (" + percentage + "% scanned).",
+            raw: message
+        };
+    }
+
+    function isundef(scope, m, t, a) {
+        return JSHINT.undefs.push([scope, m, t, a]);
+    }
+
+    function warning(m, t, a, b, c, d) {
+        var ch, l, w;
+        t = t || nexttoken;
+        if (t.id === '(end)') {  // `~
+            t = token;
+        }
+        l = t.line || 0;
+        ch = t.from || 0;
+        w = {
+            id: '(error)',
+            raw: m,
+            evidence: lines[l - 1] || '',
+            line: l,
+            character: ch,
+            a: a,
+            b: b,
+            c: c,
+            d: d
+        };
+        w.reason = m.supplant(w);
+        JSHINT.errors.push(w);
+        if (option.passfail) {
+            quit('Stopping. ', l, ch);
+        }
+        warnings += 1;
+        if (warnings >= option.maxerr) {
+            quit("Too many errors.", l, ch);
+        }
+        return w;
+    }
+
+    function warningAt(m, l, ch, a, b, c, d) {
+        return warning(m, {
+            line: l,
+            from: ch
+        }, a, b, c, d);
+    }
+
+    function error(m, t, a, b, c, d) {
+        var w = warning(m, t, a, b, c, d);
+    }
+
+    function errorAt(m, l, ch, a, b, c, d) {
+        return error(m, {
+            line: l,
+            from: ch
+        }, a, b, c, d);
+    }
+
+
+
+// lexical analysis and token construction
+
+    var lex = (function lex() {
+        var character, from, line, s;
+
+// Private lex methods
+
+        function nextLine() {
+            var at,
+                tw; // trailing whitespace check
+
+            if (line >= lines.length)
+                return false;
+
+            character = 1;
+            s = lines[line];
+            line += 1;
+
+            // If smarttabs option is used check for spaces followed by tabs only.
+            // Otherwise check for any occurence of mixed tabs and spaces.
+            if (option.smarttabs)
+                at = s.search(/ \t/);
+            else
+                at = s.search(/ \t|\t /);
+
+            if (at >= 0)
+                warningAt("Mixed spaces and tabs.", line, at + 1);
+
+            s = s.replace(/\t/g, tab);
+            at = s.search(cx);
+
+            if (at >= 0)
+                warningAt("Unsafe character.", line, at);
+
+            if (option.maxlen && option.maxlen < s.length)
+                warningAt("Line too long.", line, s.length);
+
+            // Check for trailing whitespaces
+            tw = option.trailing && s.match(/^(.*?)\s+$/);
+            if (tw && !/^\s+$/.test(s)) {
+                warningAt("Trailing whitespace.", line, tw[1].length + 1);
+            }
+            return true;
+        }
+
+// Produce a token object.  The token inherits from a syntax symbol.
+
+        function it(type, value) {
+            var i, t;
+            if (type === '(color)' || type === '(range)') {
+                t = {type: type};
+            } else if (type === '(punctuator)' ||
+                    (type === '(identifier)' && is_own(syntax, value))) {
+                t = syntax[value] || syntax['(error)'];
+            } else {
+                t = syntax[type];
+            }
+            t = Object.create(t);
+            if (type === '(string)' || type === '(range)') {
+                if (!option.scripturl && jx.test(value)) {
+                    warningAt("Script URL.", line, from);
+                }
+            }
+            if (type === '(identifier)') {
+                t.identifier = true;
+                if (value === '__proto__' && !option.proto) {
+                    warningAt("The '{a}' property is deprecated.",
+                        line, from, value);
+                } else if (value === '__iterator__' && !option.iterator) {
+                    warningAt("'{a}' is only available in JavaScript 1.7.",
+                        line, from, value);
+                } else if (option.nomen && (value.charAt(0) === '_' ||
+                         value.charAt(value.length - 1) === '_')) {
+                    if (!option.node || token.id === '.' ||
+                            (value !== '__dirname' && value !== '__filename')) {
+                        warningAt("Unexpected {a} in '{b}'.", line, from, "dangling '_'", value);
+                    }
+                }
+            }
+            t.value = value;
+            t.line = line;
+            t.character = character;
+            t.from = from;
+            i = t.id;
+            if (i !== '(endline)') {
+                prereg = i &&
+                    (('(,=:[!&|?{};'.indexOf(i.charAt(i.length - 1)) >= 0) ||
+                    i === 'return' ||
+                    i === 'case');
+            }
+            return t;
+        }
+
+        // Public lex methods
+        return {
+            init: function (source) {
+                if (typeof source === 'string') {
+                    lines = source
+                        .replace(/\r\n/g, '\n')
+                        .replace(/\r/g, '\n')
+                        .split('\n');
+                } else {
+                    lines = source;
+                }
+
+                // If the first line is a shebang (#!), make it a blank and move on.
+                // Shebangs are used by Node scripts.
+                if (lines[0] && lines[0].substr(0, 2) === '#!')
+                    lines[0] = '';
+
+                line = 0;
+                nextLine();
+                from = 1;
+            },
+
+            range: function (begin, end) {
+                var c, value = '';
+                from = character;
+                if (s.charAt(0) !== begin) {
+                    errorAt("Expected '{a}' and instead saw '{b}'.",
+                            line, character, begin, s.charAt(0));
+                }
+                for (;;) {
+                    s = s.slice(1);
+                    character += 1;
+                    c = s.charAt(0);
+                    switch (c) {
+                    case '':
+                        errorAt("Missing '{a}'.", line, character, c);
+                        break;
+                    case end:
+                        s = s.slice(1);
+                        character += 1;
+                        return it('(range)', value);
+                    case '\\':
+                        warningAt("Unexpected '{a}'.", line, character, c);
+                    }
+                    value += c;
+                }
+
+            },
+
+
+            // token -- this is called by advance to get the next token
+            token: function () {
+                var b, c, captures, d, depth, high, i, l, low, q, t, isLiteral, isInRange, n;
+
+                function match(x) {
+                    var r = x.exec(s), r1;
+                    if (r) {
+                        l = r[0].length;
+                        r1 = r[1];
+                        c = r1.charAt(0);
+                        s = s.substr(l);
+                        from = character + l - r1.length;
+                        character += l;
+                        return r1;
+                    }
+                }
+
+                function string(x) {
+                    var c, j, r = '', allowNewLine = false;
+
+                    if (jsonmode && x !== '"') {
+                        warningAt("Strings must use doublequote.",
+                                line, character);
+                    }
+
+                    function esc(n) {
+                        var i = parseInt(s.substr(j + 1, n), 16);
+                        j += n;
+                        if (i >= 32 && i <= 126 &&
+                                i !== 34 && i !== 92 && i !== 39) {
+                            warningAt("Unnecessary escapement.", line, character);
+                        }
+                        character += n;
+                        c = String.fromCharCode(i);
+                    }
+                    j = 0;
+unclosedString:     for (;;) {
+                        while (j >= s.length) {
+                            j = 0;
+
+                            var cl = line, cf = from;
+                            if (!nextLine()) {
+                                errorAt("Unclosed string.", cl, cf);
+                                break unclosedString;
+                            }
+
+                            if (allowNewLine) {
+                                allowNewLine = false;
+                            } else {
+                                warningAt("Unclosed string.", cl, cf);
+                            }
+                        }
+                        c = s.charAt(j);
+                        if (c === x) {
+                            character += 1;
+                            s = s.substr(j + 1);
+                            return it('(string)', r, x);
+                        }
+                        if (c < ' ') {
+                            if (c === '\n' || c === '\r') {
+                                break;
+                            }
+                            warningAt("Control character in string: {a}.",
+                                    line, character + j, s.slice(0, j));
+                        } else if (c === '\\') {
+                            j += 1;
+                            character += 1;
+                            c = s.charAt(j);
+                            n = s.charAt(j + 1);
+                            switch (c) {
+                            case '\\':
+                            case '"':
+                            case '/':
+                                break;
+                            case '\'':
+                                if (jsonmode) {
+                                    warningAt("Avoid \\'.", line, character);
+                                }
+                                break;
+                            case 'b':
+                                c = '\b';
+                                break;
+                            case 'f':
+                                c = '\f';
+                                break;
+                            case 'n':
+                                c = '\n';
+                                break;
+                            case 'r':
+                                c = '\r';
+                                break;
+                            case 't':
+                                c = '\t';
+                                break;
+                            case '0':
+                                c = '\0';
+                                // Octal literals fail in strict mode
+                                // check if the number is between 00 and 07
+                                // where 'n' is the token next to 'c'
+                                if (n >= 0 && n <= 7 && directive["use strict"]) {
+                                    warningAt(
+                                    "Octal literals are not allowed in strict mode.",
+                                    line, character);
+                                }
+                                break;
+                            case 'u':
+                                esc(4);
+                                break;
+                            case 'v':
+                                if (jsonmode) {
+                                    warningAt("Avoid \\v.", line, character);
+                                }
+                                c = '\v';
+                                break;
+                            case 'x':
+                                if (jsonmode) {
+                                    warningAt("Avoid \\x-.", line, character);
+                                }
+                                esc(2);
+                                break;
+                            case '':
+                                // last character is escape character
+                                // always allow new line if escaped, but show
+                                // warning if option is not set
+                                allowNewLine = true;
+                                if (option.multistr) {
+                                    if (jsonmode) {
+                                        warningAt("Avoid EOL escapement.", line, character);
+                                    }
+                                    c = '';
+                                    character -= 1;
+                                    break;
+                                }
+                                warningAt("Bad escapement of EOL. Use option multistr if needed.",
+                                    line, character);
+                                break;
+                            default:
+                                warningAt("Bad escapement.", line, character);
+                            }
+                        }
+                        r += c;
+                        character += 1;
+                        j += 1;
+                    }
+                }
+
+                for (;;) {
+                    if (!s) {
+                        return it(nextLine() ? '(endline)' : '(end)', '');
+                    }
+                    t = match(tx);
+                    if (!t) {
+                        t = '';
+                        c = '';
+                        while (s && s < '!') {
+                            s = s.substr(1);
+                        }
+                        if (s) {
+                            errorAt("Unexpected '{a}'.", line, character, s.substr(0, 1));
+                            s = '';
+                        }
+                    } else {
+
+    //      identifier
+
+                        if (c.isAlpha() || c === '_' || c === '$') {
+                            return it('(identifier)', t);
+                        }
+
+    //      number
+
+                        if (c.isDigit()) {
+                            if (!isFinite(Number(t))) {
+                                warningAt("Bad number '{a}'.",
+                                    line, character, t);
+                            }
+                            if (s.substr(0, 1).isAlpha()) {
+                                warningAt("Missing space after '{a}'.",
+                                        line, character, t);
+                            }
+                            if (c === '0') {
+                                d = t.substr(1, 1);
+                                if (d.isDigit()) {
+                                    if (token.id !== '.') {
+                                        warningAt("Don't use extra leading zeros '{a}'.",
+                                            line, character, t);
+                                    }
+                                } else if (jsonmode && (d === 'x' || d === 'X')) {
+                                    warningAt("Avoid 0x-. '{a}'.",
+                                            line, character, t);
+                                }
+                            }
+                            if (t.substr(t.length - 1) === '.') {
+                                warningAt(
+"A trailing decimal point can be confused with a dot '{a}'.", line, character, t);
+                            }
+                            return it('(number)', t);
+                        }
+                        switch (t) {
+
+    //      string
+
+                        case '"':
+                        case "'":
+                            return string(t);
+
+    //      // comment
+
+                        case '//':
+                            s = '';
+                            token.comment = true;
+                            break;
+
+    //      /* comment
+
+                        case '/*':
+                            for (;;) {
+                                i = s.search(lx);
+                                if (i >= 0) {
+                                    break;
+                                }
+                                if (!nextLine()) {
+                                    errorAt("Unclosed comment.", line, character);
+                                }
+                            }
+                            character += i + 2;
+                            if (s.substr(i, 1) === '/') {
+                                errorAt("Nested comment.", line, character);
+                            }
+                            s = s.substr(i + 2);
+                            token.comment = true;
+                            break;
+
+    //      /*members /*jshint /*global
+
+                        case '/*members':
+                        case '/*member':
+                        case '/*jshint':
+                        case '/*jslint':
+                        case '/*global':
+                        case '*/':
+                            return {
+                                value: t,
+                                type: 'special',
+                                line: line,
+                                character: character,
+                                from: from
+                            };
+
+                        case '':
+                            break;
+    //      /
+                        case '/':
+                            if (token.id === '/=') {
+                                errorAt("A regular expression literal can be confused with '/='.",
+                                    line, from);
+                            }
+                            if (prereg) {
+                                depth = 0;
+                                captures = 0;
+                                l = 0;
+                                for (;;) {
+                                    b = true;
+                                    c = s.charAt(l);
+                                    l += 1;
+                                    switch (c) {
+                                    case '':
+                                        errorAt("Unclosed regular expression.", line, from);
+                                        return quit('Stopping.', line, from);
+                                    case '/':
+                                        if (depth > 0) {
+                                            warningAt("{a} unterminated regular expression " +
+                                                "group(s).", line, from + l, depth);
+                                        }
+                                        c = s.substr(0, l - 1);
+                                        q = {
+                                            g: true,
+                                            i: true,
+                                            m: true
+                                        };
+                                        while (q[s.charAt(l)] === true) {
+                                            q[s.charAt(l)] = false;
+                                            l += 1;
+                                        }
+                                        character += l;
+                                        s = s.substr(l);
+                                        q = s.charAt(0);
+                                        if (q === '/' || q === '*') {
+                                            errorAt("Confusing regular expression.",
+                                                    line, from);
+                                        }
+                                        return it('(regexp)', c);
+                                    case '\\':
+                                        c = s.charAt(l);
+                                        if (c < ' ') {
+                                            warningAt(
+"Unexpected control character in regular expression.", line, from + l);
+                                        } else if (c === '<') {
+                                            warningAt(
+"Unexpected escaped character '{a}' in regular expression.", line, from + l, c);
+                                        }
+                                        l += 1;
+                                        break;
+                                    case '(':
+                                        depth += 1;
+                                        b = false;
+                                        if (s.charAt(l) === '?') {
+                                            l += 1;
+                                            switch (s.charAt(l)) {
+                                            case ':':
+                                            case '=':
+                                            case '!':
+                                                l += 1;
+                                                break;
+                                            default:
+                                                warningAt(
+"Expected '{a}' and instead saw '{b}'.", line, from + l, ':', s.charAt(l));
+                                            }
+                                        } else {
+                                            captures += 1;
+                                        }
+                                        break;
+                                    case '|':
+                                        b = false;
+                                        break;
+                                    case ')':
+                                        if (depth === 0) {
+                                            warningAt("Unescaped '{a}'.",
+                                                    line, from + l, ')');
+                                        } else {
+                                            depth -= 1;
+                                        }
+                                        break;
+                                    case ' ':
+                                        q = 1;
+                                        while (s.charAt(l) === ' ') {
+                                            l += 1;
+                                            q += 1;
+                                        }
+                                        if (q > 1) {
+                                            warningAt(
+"Spaces are hard to count. Use {{a}}.", line, from + l, q);
+                                        }
+                                        break;
+                                    case '[':
+                                        c = s.charAt(l);
+                                        if (c === '^') {
+                                            l += 1;
+                                            if (option.regexp) {
+                                                warningAt("Insecure '{a}'.",
+                                                        line, from + l, c);
+                                            } else if (s.charAt(l) === ']') {
+                                                errorAt("Unescaped '{a}'.",
+                                                    line, from + l, '^');
+                                            }
+                                        }
+                                        if (c === ']') {
+                                            warningAt("Empty class.", line,
+                                                    from + l - 1);
+                                        }
+                                        isLiteral = false;
+                                        isInRange = false;
+klass:                                  do {
+                                            c = s.charAt(l);
+                                            l += 1;
+                                            switch (c) {
+                                            case '[':
+                                            case '^':
+                                                warningAt("Unescaped '{a}'.",
+                                                        line, from + l, c);
+                                                if (isInRange) {
+                                                    isInRange = false;
+                                                } else {
+                                                    isLiteral = true;
+                                                }
+                                                break;
+                                            case '-':
+                                                if (isLiteral && !isInRange) {
+                                                    isLiteral = false;
+                                                    isInRange = true;
+                                                } else if (isInRange) {
+                                                    isInRange = false;
+                                                } else if (s.charAt(l) === ']') {
+                                                    isInRange = true;
+                                                } else {
+                                                    if (option.regexdash !== (l === 2 || (l === 3 &&
+                                                        s.charAt(1) === '^'))) {
+                                                        warningAt("Unescaped '{a}'.",
+                                                            line, from + l - 1, '-');
+                                                    }
+                                                    isLiteral = true;
+                                                }
+                                                break;
+                                            case ']':
+                                                if (isInRange && !option.regexdash) {
+                                                    warningAt("Unescaped '{a}'.",
+                                                            line, from + l - 1, '-');
+                                                }
+                                                break klass;
+                                            case '\\':
+                                                c = s.charAt(l);
+                                                if (c < ' ') {
+                                                    warningAt(
+"Unexpected control character in regular expression.", line, from + l);
+                                                } else if (c === '<') {
+                                                    warningAt(
+"Unexpected escaped character '{a}' in regular expression.", line, from + l, c);
+                                                }
+                                                l += 1;
+
+                                                // \w, \s and \d are never part of a character range
+                                                if (/[wsd]/i.test(c)) {
+                                                    if (isInRange) {
+                                                        warningAt("Unescaped '{a}'.",
+                                                            line, from + l, '-');
+                                                        isInRange = false;
+                                                    }
+                                                    isLiteral = false;
+                                                } else if (isInRange) {
+                                                    isInRange = false;
+                                                } else {
+                                                    isLiteral = true;
+                                                }
+                                                break;
+                                            case '/':
+                                                warningAt("Unescaped '{a}'.",
+                                                        line, from + l - 1, '/');
+
+                                                if (isInRange) {
+                                                    isInRange = false;
+                                                } else {
+                                                    isLiteral = true;
+                                                }
+                                                break;
+                                            case '<':
+                                                if (isInRange) {
+                                                    isInRange = false;
+                                                } else {
+                                                    isLiteral = true;
+                                                }
+                                                break;
+                                            default:
+                                                if (isInRange) {
+                                                    isInRange = false;
+                                                } else {
+                                                    isLiteral = true;
+                                                }
+                                            }
+                                        } while (c);
+                                        break;
+                                    case '.':
+                                        if (option.regexp) {
+                                            warningAt("Insecure '{a}'.", line,
+                                                    from + l, c);
+                                        }
+                                        break;
+                                    case ']':
+                                    case '?':
+                                    case '{':
+                                    case '}':
+                                    case '+':
+                                    case '*':
+                                        warningAt("Unescaped '{a}'.", line,
+                                                from + l, c);
+                                    }
+                                    if (b) {
+                                        switch (s.charAt(l)) {
+                                        case '?':
+                                        case '+':
+                                        case '*':
+                                            l += 1;
+                                            if (s.charAt(l) === '?') {
+                                                l += 1;
+                                            }
+                                            break;
+                                        case '{':
+                                            l += 1;
+                                            c = s.charAt(l);
+                                            if (c < '0' || c > '9') {
+                                                warningAt(
+"Expected a number and instead saw '{a}'.", line, from + l, c);
+                                            }
+                                            l += 1;
+                                            low = +c;
+                                            for (;;) {
+                                                c = s.charAt(l);
+                                                if (c < '0' || c > '9') {
+                                                    break;
+                                                }
+                                                l += 1;
+                                                low = +c + (low * 10);
+                                            }
+                                            high = low;
+                                            if (c === ',') {
+                                                l += 1;
+                                                high = Infinity;
+                                                c = s.charAt(l);
+                                                if (c >= '0' && c <= '9') {
+                                                    l += 1;
+                                                    high = +c;
+                                                    for (;;) {
+                                                        c = s.charAt(l);
+                                                        if (c < '0' || c > '9') {
+                                                            break;
+                                                        }
+                                                        l += 1;
+                                                        high = +c + (high * 10);
+                                                    }
+                                                }
+                                            }
+                                            if (s.charAt(l) !== '}') {
+                                                warningAt(
+"Expected '{a}' and instead saw '{b}'.", line, from + l, '}', c);
+                                            } else {
+                                                l += 1;
+                                            }
+                                            if (s.charAt(l) === '?') {
+                                                l += 1;
+                                            }
+                                            if (low > high) {
+                                                warningAt(
+"'{a}' should not be greater than '{b}'.", line, from + l, low, high);
+                                            }
+                                        }
+                                    }
+                                }
+                                c = s.substr(0, l - 1);
+                                character += l;
+                                s = s.substr(l);
+                                return it('(regexp)', c);
+                            }
+                            return it('(punctuator)', t);
+
+    //      punctuator
+
+                        case '#':
+                            return it('(punctuator)', t);
+                        default:
+                            return it('(punctuator)', t);
+                        }
+                    }
+                }
+            }
+        };
+    }());
+
+
+    function addlabel(t, type) {
+
+        if (t === 'hasOwnProperty') {
+            warning("'hasOwnProperty' is a really bad name.");
+        }
+
+// Define t in the current function in the current scope.
+        if (is_own(funct, t) && !funct['(global)']) {
+            if (funct[t] === true) {
+                if (option.latedef)
+                    warning("'{a}' was used before it was defined.", nexttoken, t);
+            } else {
+                if (!option.shadow && type !== "exception")
+                    warning("'{a}' is already defined.", nexttoken, t);
+            }
+        }
+
+        funct[t] = type;
+        if (funct['(global)']) {
+            global[t] = funct;
+            if (is_own(implied, t)) {
+                if (option.latedef)
+                    warning("'{a}' was used before it was defined.", nexttoken, t);
+                delete implied[t];
+            }
+        } else {
+            scope[t] = funct;
+        }
+    }
+
+
+    function doOption() {
+        var b, obj, filter, o = nexttoken.value, t, v;
+
+        switch (o) {
+        case '*/':
+            error("Unbegun comment.");
+            break;
+        case '/*members':
+        case '/*member':
+            o = '/*members';
+            if (!membersOnly) {
+                membersOnly = {};
+            }
+            obj = membersOnly;
+            break;
+        case '/*jshint':
+        case '/*jslint':
+            obj = option;
+            filter = boolOptions;
+            break;
+        case '/*global':
+            obj = predefined;
+            break;
+        default:
+            error("What?");
+        }
+
+        t = lex.token();
+loop:   for (;;) {
+            for (;;) {
+                if (t.type === 'special' && t.value === '*/') {
+                    break loop;
+                }
+                if (t.id !== '(endline)' && t.id !== ',') {
+                    break;
+                }
+                t = lex.token();
+            }
+            if (t.type !== '(string)' && t.type !== '(identifier)' &&
+                    o !== '/*members') {
+                error("Bad option.", t);
+            }
+
+            v = lex.token();
+            if (v.id === ':') {
+                v = lex.token();
+
+                if (obj === membersOnly) {
+                    error("Expected '{a}' and instead saw '{b}'.",
+                            t, '*/', ':');
+                }
+
+                if (o === '/*jshint') {
+                    checkOption(t.value, t);
+                }
+
+                if (t.value === 'indent' && (o === '/*jshint' || o === '/*jslint')) {
+                    b = +v.value;
+                    if (typeof b !== 'number' || !isFinite(b) || b <= 0 ||
+                            Math.floor(b) !== b) {
+                        error("Expected a small integer and instead saw '{a}'.",
+                                v, v.value);
+                    }
+                    obj.white = true;
+                    obj.indent = b;
+                } else if (t.value === 'maxerr' && (o === '/*jshint' || o === '/*jslint')) {
+                    b = +v.value;
+                    if (typeof b !== 'number' || !isFinite(b) || b <= 0 ||
+                            Math.floor(b) !== b) {
+                        error("Expected a small integer and instead saw '{a}'.",
+                                v, v.value);
+                    }
+                    obj.maxerr = b;
+                } else if (t.value === 'maxlen' && (o === '/*jshint' || o === '/*jslint')) {
+                    b = +v.value;
+                    if (typeof b !== 'number' || !isFinite(b) || b <= 0 ||
+                            Math.floor(b) !== b) {
+                        error("Expected a small integer and instead saw '{a}'.",
+                                v, v.value);
+                    }
+                    obj.maxlen = b;
+                } else if (t.value === 'validthis') {
+                    if (funct['(global)']) {
+                        error("Option 'validthis' can't be used in a global scope.");
+                    } else {
+                        if (v.value === 'true' || v.value === 'false')
+                            obj[t.value] = v.value === 'true';
+                        else
+                            error("Bad option value.", v);
+                    }
+                } else if (v.value === 'true') {
+                    obj[t.value] = true;
+                } else if (v.value === 'false') {
+                    obj[t.value] = false;
+                } else {
+                    error("Bad option value.", v);
+                }
+                t = lex.token();
+            } else {
+                if (o === '/*jshint' || o === '/*jslint') {
+                    error("Missing option value.", t);
+                }
+                obj[t.value] = false;
+                t = v;
+            }
+        }
+        if (filter) {
+            assume();
+        }
+    }
+
+
+// We need a peek function. If it has an argument, it peeks that much farther
+// ahead. It is used to distinguish
+//     for ( var i in ...
+// from
+//     for ( var i = ...
+
+    function peek(p) {
+        var i = p || 0, j = 0, t;
+
+        while (j <= i) {
+            t = lookahead[j];
+            if (!t) {
+                t = lookahead[j] = lex.token();
+            }
+            j += 1;
+        }
+        return t;
+    }
+
+
+
+// Produce the next token. It looks for programming errors.
+
+    function advance(id, t) {
+        switch (token.id) {
+        case '(number)':
+            if (nexttoken.id === '.') {
+                warning("A dot following a number can be confused with a decimal point.", token);
+            }
+            break;
+        case '-':
+            if (nexttoken.id === '-' || nexttoken.id === '--') {
+                warning("Confusing minusses.");
+            }
+            break;
+        case '+':
+            if (nexttoken.id === '+' || nexttoken.id === '++') {
+                warning("Confusing plusses.");
+            }
+            break;
+        }
+
+        if (token.type === '(string)' || token.identifier) {
+            anonname = token.value;
+        }
+
+        if (id && nexttoken.id !== id) {
+            if (t) {
+                if (nexttoken.id === '(end)') {
+                    warning("Unmatched '{a}'.", t, t.id);
+                } else {
+                    warning("Expected '{a}' to match '{b}' from line {c} and instead saw '{d}'.",
+                            nexttoken, id, t.id, t.line, nexttoken.value);
+                }
+            } else if (nexttoken.type !== '(identifier)' ||
+                            nexttoken.value !== id) {
+                warning("Expected '{a}' and instead saw '{b}'.",
+                        nexttoken, id, nexttoken.value);
+            }
+        }
+
+        prevtoken = token;
+        token = nexttoken;
+        for (;;) {
+            nexttoken = lookahead.shift() || lex.token();
+            if (nexttoken.id === '(end)' || nexttoken.id === '(error)') {
+                return;
+            }
+            if (nexttoken.type === 'special') {
+                doOption();
+            } else {
+                if (nexttoken.id !== '(endline)') {
+                    break;
+                }
+            }
+        }
+    }
+
+
+// This is the heart of JSHINT, the Pratt parser. In addition to parsing, it
+// is looking for ad hoc lint patterns. We add .fud to Pratt's model, which is
+// like .nud except that it is only used on the first token of a statement.
+// Having .fud makes it much easier to define statement-oriented languages like
+// JavaScript. I retained Pratt's nomenclature.
+
+// .nud     Null denotation
+// .fud     First null denotation
+// .led     Left denotation
+//  lbp     Left binding power
+//  rbp     Right binding power
+
+// They are elements of the parsing method called Top Down Operator Precedence.
+
+    function expression(rbp, initial) {
+        var left, isArray = false, isObject = false;
+
+        if (nexttoken.id === '(end)')
+            error("Unexpected early end of program.", token);
+
+        advance();
+        if (initial) {
+            anonname = 'anonymous';
+            funct['(verb)'] = token.value;
+        }
+        if (initial === true && token.fud) {
+            left = token.fud();
+        } else {
+            if (token.nud) {
+                left = token.nud();
+            } else {
+                if (nexttoken.type === '(number)' && token.id === '.') {
+                    warning("A leading decimal point can be confused with a dot: '.{a}'.",
+                            token, nexttoken.value);
+                    advance();
+                    return token;
+                } else {
+                    error("Expected an identifier and instead saw '{a}'.",
+                            token, token.id);
+                }
+            }
+            while (rbp < nexttoken.lbp) {
+                isArray = token.value === 'Array';
+                isObject = token.value === 'Object';
+                advance();
+                if (isArray && token.id === '(' && nexttoken.id === ')')
+                    warning("Use the array literal notation [].", token);
+                if (isObject && token.id === '(' && nexttoken.id === ')')
+                    warning("Use the object literal notation {}.", token);
+                if (token.led) {
+                    left = token.led(left);
+                } else {
+                    error("Expected an operator and instead saw '{a}'.",
+                        token, token.id);
+                }
+            }
+        }
+        return left;
+    }
+
+
+// Functions for conformance of style.
+
+    function adjacent(left, right) {
+        left = left || token;
+        right = right || nexttoken;
+        if (option.white) {
+            if (left.character !== right.from && left.line === right.line) {
+                left.from += (left.character - left.from);
+                warning("Unexpected space after '{a}'.", left, left.value);
+            }
+        }
+    }
+
+    function nobreak(left, right) {
+        left = left || token;
+        right = right || nexttoken;
+        if (option.white && (left.character !== right.from || left.line !== right.line)) {
+            warning("Unexpected space before '{a}'.", right, right.value);
+        }
+    }
+
+    function nospace(left, right) {
+        left = left || token;
+        right = right || nexttoken;
+        if (option.white && !left.comment) {
+            if (left.line === right.line) {
+                adjacent(left, right);
+            }
+        }
+    }
+
+    function nonadjacent(left, right) {
+        if (option.white) {
+            left = left || token;
+            right = right || nexttoken;
+            if (left.line === right.line && left.character === right.from) {
+                left.from += (left.character - left.from);
+                warning("Missing space after '{a}'.",
+                        left, left.value);
+            }
+        }
+    }
+
+    function nobreaknonadjacent(left, right) {
+        left = left || token;
+        right = right || nexttoken;
+        if (!option.laxbreak && left.line !== right.line) {
+            warning("Bad line breaking before '{a}'.", right, right.id);
+        } else if (option.white) {
+            left = left || token;
+            right = right || nexttoken;
+            if (left.character === right.from) {
+                left.from += (left.character - left.from);
+                warning("Missing space after '{a}'.",
+                        left, left.value);
+            }
+        }
+    }
+
+    function indentation(bias) {
+        var i;
+        if (option.white && nexttoken.id !== '(end)') {
+            i = indent + (bias || 0);
+            if (nexttoken.from !== i) {
+                warning(
+"Expected '{a}' to have an indentation at {b} instead at {c}.",
+                        nexttoken, nexttoken.value, i, nexttoken.from);
+            }
+        }
+    }
+
+    function nolinebreak(t) {
+        t = t || token;
+        if (t.line !== nexttoken.line) {
+            warning("Line breaking error '{a}'.", t, t.value);
+        }
+    }
+
+
+    function comma() {
+        if (token.line !== nexttoken.line) {
+            if (!option.laxcomma) {
+                if (comma.first) {
+                    warning("Comma warnings can be turned off with 'laxcomma'");
+                    comma.first = false;
+                }
+                warning("Bad line breaking before '{a}'.", token, nexttoken.id);
+            }
+        } else if (!token.comment && token.character !== nexttoken.from && option.white) {
+            token.from += (token.character - token.from);
+            warning("Unexpected space after '{a}'.", token, token.value);
+        }
+        advance(',');
+        nonadjacent(token, nexttoken);
+    }
+
+
+// Functional constructors for making the symbols that will be inherited by
+// tokens.
+
+    function symbol(s, p) {
+        var x = syntax[s];
+        if (!x || typeof x !== 'object') {
+            syntax[s] = x = {
+                id: s,
+                lbp: p,
+                value: s
+            };
+        }
+        return x;
+    }
+
+
+    function delim(s) {
+        return symbol(s, 0);
+    }
+
+
+    function stmt(s, f) {
+        var x = delim(s);
+        x.identifier = x.reserved = true;
+        x.fud = f;
+        return x;
+    }
+
+
+    function blockstmt(s, f) {
+        var x = stmt(s, f);
+        x.block = true;
+        return x;
+    }
+
+
+    function reserveName(x) {
+        var c = x.id.charAt(0);
+        if ((c >= 'a' && c <= 'z') || (c >= 'A' && c <= 'Z')) {
+            x.identifier = x.reserved = true;
+        }
+        return x;
+    }
+
+
+    function prefix(s, f) {
+        var x = symbol(s, 150);
+        reserveName(x);
+        x.nud = (typeof f === 'function') ? f : function () {
+            this.right = expression(150);
+            this.arity = 'unary';
+            if (this.id === '++' || this.id === '--') {
+                if (option.plusplus) {
+                    warning("Unexpected use of '{a}'.", this, this.id);
+                } else if ((!this.right.identifier || this.right.reserved) &&
+                        this.right.id !== '.' && this.right.id !== '[') {
+                    warning("Bad operand.", this);
+                }
+            }
+            return this;
+        };
+        return x;
+    }
+
+
+    function type(s, f) {
+        var x = delim(s);
+        x.type = s;
+        x.nud = f;
+        return x;
+    }
+
+
+    function reserve(s, f) {
+        var x = type(s, f);
+        x.identifier = x.reserved = true;
+        return x;
+    }
+
+
+    function reservevar(s, v) {
+        return reserve(s, function () {
+            if (typeof v === 'function') {
+                v(this);
+            }
+            return this;
+        });
+    }
+
+
+    function infix(s, f, p, w) {
+        var x = symbol(s, p);
+        reserveName(x);
+        x.led = function (left) {
+            if (!w) {
+                nobreaknonadjacent(prevtoken, token);
+                nonadjacent(token, nexttoken);
+            }
+            if (s === "in" && left.id === "!") {
+                warning("Confusing use of '{a}'.", left, '!');
+            }
+            if (typeof f === 'function') {
+                return f(left, this);
+            } else {
+                this.left = left;
+                this.right = expression(p);
+                return this;
+            }
+        };
+        return x;
+    }
+
+
+    function relation(s, f) {
+        var x = symbol(s, 100);
+        x.led = function (left) {
+            nobreaknonadjacent(prevtoken, token);
+            nonadjacent(token, nexttoken);
+            var right = expression(100);
+            if ((left && left.id === 'NaN') || (right && right.id === 'NaN')) {
+                warning("Use the isNaN function to compare with NaN.", this);
+            } else if (f) {
+                f.apply(this, [left, right]);
+            }
+            if (left.id === '!') {
+                warning("Confusing use of '{a}'.", left, '!');
+            }
+            if (right.id === '!') {
+                warning("Confusing use of '{a}'.", right, '!');
+            }
+            this.left = left;
+            this.right = right;
+            return this;
+        };
+        return x;
+    }
+
+
+    function isPoorRelation(node) {
+        return node &&
+              ((node.type === '(number)' && +node.value === 0) ||
+               (node.type === '(string)' && node.value === '') ||
+               (node.type === 'null' && !option.eqnull) ||
+                node.type === 'true' ||
+                node.type === 'false' ||
+                node.type === 'undefined');
+    }
+
+
+    function assignop(s, f) {
+        symbol(s, 20).exps = true;
+        return infix(s, function (left, that) {
+            var l;
+            that.left = left;
+            if (predefined[left.value] === false &&
+                    scope[left.value]['(global)'] === true) {
+                warning("Read only.", left);
+            } else if (left['function']) {
+                warning("'{a}' is a function.", left, left.value);
+            }
+            if (left) {
+                if (option.esnext && funct[left.value] === 'const') {
+                    warning("Attempting to override '{a}' which is a constant", left, left.value);
+                }
+                if (left.id === '.' || left.id === '[') {
+                    if (!left.left || left.left.value === 'arguments') {
+                        warning('Bad assignment.', that);
+                    }
+                    that.right = expression(19);
+                    return that;
+                } else if (left.identifier && !left.reserved) {
+                    if (funct[left.value] === 'exception') {
+                        warning("Do not assign to the exception parameter.", left);
+                    }
+                    that.right = expression(19);
+                    return that;
+                }
+                if (left === syntax['function']) {
+                    warning(
+"Expected an identifier in an assignment and instead saw a function invocation.",
+                                token);
+                }
+            }
+            error("Bad assignment.", that);
+        }, 20);
+    }
+
+
+    function bitwise(s, f, p) {
+        var x = symbol(s, p);
+        reserveName(x);
+        x.led = (typeof f === 'function') ? f : function (left) {
+            if (option.bitwise) {
+                warning("Unexpected use of '{a}'.", this, this.id);
+            }
+            this.left = left;
+            this.right = expression(p);
+            return this;
+        };
+        return x;
+    }
+
+
+    function bitwiseassignop(s) {
+        symbol(s, 20).exps = true;
+        return infix(s, function (left, that) {
+            if (option.bitwise) {
+                warning("Unexpected use of '{a}'.", that, that.id);
+            }
+            nonadjacent(prevtoken, token);
+            nonadjacent(token, nexttoken);
+            if (left) {
+                if (left.id === '.' || left.id === '[' ||
+                        (left.identifier && !left.reserved)) {
+                    expression(19);
+                    return that;
+                }
+                if (left === syntax['function']) {
+                    warning(
+"Expected an identifier in an assignment, and instead saw a function invocation.",
+                                token);
+                }
+                return that;
+            }
+            error("Bad assignment.", that);
+        }, 20);
+    }
+
+
+    function suffix(s, f) {
+        var x = symbol(s, 150);
+        x.led = function (left) {
+            if (option.plusplus) {
+                warning("Unexpected use of '{a}'.", this, this.id);
+            } else if ((!left.identifier || left.reserved) &&
+                    left.id !== '.' && left.id !== '[') {
+                warning("Bad operand.", this);
+            }
+            this.left = left;
+            return this;
+        };
+        return x;
+    }
+
+
+    // fnparam means that this identifier is being defined as a function
+    // argument (see identifier())
+    function optionalidentifier(fnparam) {
+        if (nexttoken.identifier) {
+            advance();
+            if (token.reserved && !option.es5) {
+                // `undefined` as a function param is a common pattern to protect
+                // against the case when somebody does `undefined = true` and
+                // help with minification. More info: https://gist.github.com/315916
+                if (!fnparam || token.value !== 'undefined') {
+                    warning("Expected an identifier and instead saw '{a}' (a reserved word).",
+                            token, token.id);
+                }
+            }
+            return token.value;
+        }
+    }
+
+    // fnparam means that this identifier is being defined as a function
+    // argument
+    function identifier(fnparam) {
+        var i = optionalidentifier(fnparam);
+        if (i) {
+            return i;
+        }
+        if (token.id === 'function' && nexttoken.id === '(') {
+            warning("Missing name in function declaration.");
+        } else {
+            error("Expected an identifier and instead saw '{a}'.",
+                    nexttoken, nexttoken.value);
+        }
+    }
+
+
+    function reachable(s) {
+        var i = 0, t;
+        if (nexttoken.id !== ';' || noreach) {
+            return;
+        }
+        for (;;) {
+            t = peek(i);
+            if (t.reach) {
+                return;
+            }
+            if (t.id !== '(endline)') {
+                if (t.id === 'function') {
+                    if (!option.latedef) {
+                        break;
+                    }
+                    warning(
+"Inner functions should be listed at the top of the outer function.", t);
+                    break;
+                }
+                warning("Unreachable '{a}' after '{b}'.", t, t.value, s);
+                break;
+            }
+            i += 1;
+        }
+    }
+
+
+    function statement(noindent) {
+        var i = indent, r, s = scope, t = nexttoken;
+
+        if (t.id === ";") {
+            advance(";");
+            return;
+        }
+
+// Is this a labelled statement?
+
+        if (t.identifier && !t.reserved && peek().id === ':') {
+            advance();
+            advance(':');
+            scope = Object.create(s);
+            addlabel(t.value, 'label');
+            if (!nexttoken.labelled) {
+                warning("Label '{a}' on {b} statement.",
+                        nexttoken, t.value, nexttoken.value);
+            }
+            if (jx.test(t.value + ':')) {
+                warning("Label '{a}' looks like a javascript url.",
+                        t, t.value);
+            }
+            nexttoken.label = t.value;
+            t = nexttoken;
+        }
+
+// Parse the statement.
+
+        if (!noindent) {
+            indentation();
+        }
+        r = expression(0, true);
+
+        // Look for the final semicolon.
+        if (!t.block) {
+            if (!option.expr && (!r || !r.exps)) {
+                warning("Expected an assignment or function call and instead saw an expression.",
+                    token);
+            } else if (option.nonew && r.id === '(' && r.left.id === 'new') {
+                warning("Do not use 'new' for side effects.");
+            }
+
+            if (nexttoken.id === ',') {
+                return comma();
+            }
+
+            if (nexttoken.id !== ';') {
+                if (!option.asi) {
+                    // If this is the last statement in a block that ends on
+                    // the same line *and* option lastsemic is on, ignore the warning.
+                    // Otherwise, complain about missing semicolon.
+                    if (!option.lastsemic || nexttoken.id !== '}' ||
+                            nexttoken.line !== token.line) {
+                        warningAt("Missing semicolon.", token.line, token.character);
+                    }
+                }
+            } else {
+                adjacent(token, nexttoken);
+                advance(';');
+                nonadjacent(token, nexttoken);
+            }
+        }
+
+// Restore the indentation.
+
+        indent = i;
+        scope = s;
+        return r;
+    }
+
+
+    function statements(startLine) {
+        var a = [], f, p;
+
+        while (!nexttoken.reach && nexttoken.id !== '(end)') {
+            if (nexttoken.id === ';') {
+                p = peek();
+                if (!p || p.id !== "(") {
+                    warning("Unnecessary semicolon.");
+                }
+                advance(';');
+            } else {
+                a.push(statement(startLine === nexttoken.line));
+            }
+        }
+        return a;
+    }
+
+
+    /*
+     * read all directives
+     * recognizes a simple form of asi, but always
+     * warns, if it is used
+     */
+    function directives() {
+        var i, p, pn;
+
+        for (;;) {
+            if (nexttoken.id === "(string)") {
+                p = peek(0);
+                if (p.id === "(endline)") {
+                    i = 1;
+                    do {
+                        pn = peek(i);
+                        i = i + 1;
+                    } while (pn.id === "(endline)");
+
+                    if (pn.id !== ";") {
+                        if (pn.id !== "(string)" && pn.id !== "(number)" &&
+                            pn.id !== "(regexp)" && pn.identifier !== true &&
+                            pn.id !== "}") {
+                            break;
+                        }
+                        warning("Missing semicolon.", nexttoken);
+                    } else {
+                        p = pn;
+                    }
+                } else if (p.id === "}") {
+                    // directive with no other statements, warn about missing semicolon
+                    warning("Missing semicolon.", p);
+                } else if (p.id !== ";") {
+                    break;
+                }
+
+                indentation();
+                advance();
+                if (directive[token.value]) {
+                    warning("Unnecessary directive \"{a}\".", token, token.value);
+                }
+
+                if (token.value === "use strict") {
+                    option.newcap = true;
+                    option.undef = true;
+                }
+
+                // there's no directive negation, so always set to true
+                directive[token.value] = true;
+
+                if (p.id === ";") {
+                    advance(";");
+                }
+                continue;
+            }
+            break;
+        }
+    }
+
+
+    /*
+     * Parses a single block. A block is a sequence of statements wrapped in
+     * braces.
+     *
+     * ordinary - true for everything but function bodies and try blocks.
+     * stmt     - true if block can be a single statement (e.g. in if/for/while).
+     * isfunc   - true if block is a function body
+     */
+    function block(ordinary, stmt, isfunc) {
+        var a,
+            b = inblock,
+            old_indent = indent,
+            m,
+            s = scope,
+            t,
+            line,
+            d;
+
+        inblock = ordinary;
+        if (!ordinary || !option.funcscope) scope = Object.create(scope);
+        nonadjacent(token, nexttoken);
+        t = nexttoken;
+
+        if (nexttoken.id === '{') {
+            advance('{');
+            line = token.line;
+            if (nexttoken.id !== '}') {
+                indent += option.indent;
+                while (!ordinary && nexttoken.from > indent) {
+                    indent += option.indent;
+                }
+
+                if (isfunc) {
+                    m = {};
+                    for (d in directive) {
+                        if (is_own(directive, d)) {
+                            m[d] = directive[d];
+                        }
+                    }
+                    directives();
+
+                    if (option.strict && funct['(context)']['(global)']) {
+                        if (!m["use strict"] && !directive["use strict"]) {
+                            warning("Missing \"use strict\" statement.");
+                        }
+                    }
+                }
+
+                a = statements(line);
+
+                if (isfunc) {
+                    directive = m;
+                }
+
+                indent -= option.indent;
+                if (line !== nexttoken.line) {
+                    indentation();
+                }
+            } else if (line !== nexttoken.line) {
+                indentation();
+            }
+            advance('}', t);
+            indent = old_indent;
+        } else if (!ordinary) {
+            error("Expected '{a}' and instead saw '{b}'.",
+                  nexttoken, '{', nexttoken.value);
+        } else {
+            if (!stmt || option.curly)
+                warning("Expected '{a}' and instead saw '{b}'.",
+                        nexttoken, '{', nexttoken.value);
+
+            noreach = true;
+            indent += option.indent;
+            // test indentation only if statement is in new line
+            a = [statement(nexttoken.line === token.line)];
+            indent -= option.indent;
+            noreach = false;
+        }
+        funct['(verb)'] = null;
+        if (!ordinary || !option.funcscope) scope = s;
+        inblock = b;
+        if (ordinary && option.noempty && (!a || a.length === 0)) {
+            warning("Empty block.");
+        }
+        return a;
+    }
+
+
+    function countMember(m) {
+        if (membersOnly && typeof membersOnly[m] !== 'boolean') {
+            warning("Unexpected /*member '{a}'.", token, m);
+        }
+        if (typeof member[m] === 'number') {
+            member[m] += 1;
+        } else {
+            member[m] = 1;
+        }
+    }
+
+
+    function note_implied(token) {
+        var name = token.value, line = token.line, a = implied[name];
+        if (typeof a === 'function') {
+            a = false;
+        }
+
+        if (!a) {
+            a = [line];
+            implied[name] = a;
+        } else if (a[a.length - 1] !== line) {
+            a.push(line);
+        }
+    }
+
+
+    // Build the syntax table by declaring the syntactic elements of the language.
+
+    type('(number)', function () {
+        return this;
+    });
+
+    type('(string)', function () {
+        return this;
+    });
+
+    syntax['(identifier)'] = {
+        type: '(identifier)',
+        lbp: 0,
+        identifier: true,
+        nud: function () {
+            var v = this.value,
+                s = scope[v],
+                f;
+
+            if (typeof s === 'function') {
+                // Protection against accidental inheritance.
+                s = undefined;
+            } else if (typeof s === 'boolean') {
+                f = funct;
+                funct = functions[0];
+                addlabel(v, 'var');
+                s = funct;
+                funct = f;
+            }
+
+            // The name is in scope and defined in the current function.
+            if (funct === s) {
+                // Change 'unused' to 'var', and reject labels.
+                switch (funct[v]) {
+                case 'unused':
+                    funct[v] = 'var';
+                    break;
+                case 'unction':
+                    funct[v] = 'function';
+                    this['function'] = true;
+                    break;
+                case 'function':
+                    this['function'] = true;
+                    break;
+                case 'label':
+                    warning("'{a}' is a statement label.", token, v);
+                    break;
+                }
+            } else if (funct['(global)']) {
+                // The name is not defined in the function.  If we are in the global
+                // scope, then we have an undefined variable.
+                //
+                // Operators typeof and delete do not raise runtime errors even if
+                // the base object of a reference is null so no need to display warning
+                // if we're inside of typeof or delete.
+
+                if (option.undef && typeof predefined[v] !== 'boolean') {
+                    // Attempting to subscript a null reference will throw an
+                    // error, even within the typeof and delete operators
+                    if (!(anonname === 'typeof' || anonname === 'delete') ||
+                        (nexttoken && (nexttoken.value === '.' || nexttoken.value === '['))) {
+
+                        isundef(funct, "'{a}' is not defined.", token, v);
+                    }
+                }
+                note_implied(token);
+            } else {
+                // If the name is already defined in the current
+                // function, but not as outer, then there is a scope error.
+
+                switch (funct[v]) {
+                case 'closure':
+                case 'function':
+                case 'var':
+                case 'unused':
+                    warning("'{a}' used out of scope.", token, v);
+                    break;
+                case 'label':
+                    warning("'{a}' is a statement label.", token, v);
+                    break;
+                case 'outer':
+                case 'global':
+                    break;
+                default:
+                    // If the name is defined in an outer function, make an outer entry,
+                    // and if it was unused, make it var.
+                    if (s === true) {
+                        funct[v] = true;
+                    } else if (s === null) {
+                        warning("'{a}' is not allowed.", token, v);
+                        note_implied(token);
+                    } else if (typeof s !== 'object') {
+                        // Operators typeof and delete do not raise runtime errors even
+                        // if the base object of a reference is null so no need to
+                        // display warning if we're inside of typeof or delete.
+                        if (option.undef) {
+                            // Attempting to subscript a null reference will throw an
+                            // error, even within the typeof and delete operators
+                            if (!(anonname === 'typeof' || anonname === 'delete') ||
+                                (nexttoken &&
+                                    (nexttoken.value === '.' || nexttoken.value === '['))) {
+
+                                isundef(funct, "'{a}' is not defined.", token, v);
+                            }
+                        }
+                        funct[v] = true;
+                        note_implied(token);
+                    } else {
+                        switch (s[v]) {
+                        case 'function':
+                        case 'unction':
+                            this['function'] = true;
+                            s[v] = 'closure';
+                            funct[v] = s['(global)'] ? 'global' : 'outer';
+                            break;
+                        case 'var':
+                        case 'unused':
+                            s[v] = 'closure';
+                            funct[v] = s['(global)'] ? 'global' : 'outer';
+                            break;
+                        case 'closure':
+                        case 'parameter':
+                            funct[v] = s['(global)'] ? 'global' : 'outer';
+                            break;
+                        case 'label':
+                            warning("'{a}' is a statement label.", token, v);
+                        }
+                    }
+                }
+            }
+            return this;
+        },
+        led: function () {
+            error("Expected an operator and instead saw '{a}'.",
+                nexttoken, nexttoken.value);
+        }
+    };
+
+    type('(regexp)', function () {
+        return this;
+    });
+
+
+// ECMAScript parser
+
+    delim('(endline)');
+    delim('(begin)');
+    delim('(end)').reach = true;
+    delim('</').reach = true;
+    delim('<!');
+    delim('<!--');
+    delim('-->');
+    delim('(error)').reach = true;
+    delim('}').reach = true;
+    delim(')');
+    delim(']');
+    delim('"').reach = true;
+    delim("'").reach = true;
+    delim(';');
+    delim(':').reach = true;
+    delim(',');
+    delim('#');
+    delim('@');
+    reserve('else');
+    reserve('case').reach = true;
+    reserve('catch');
+    reserve('default').reach = true;
+    reserve('finally');
+    reservevar('arguments', function (x) {
+        if (directive['use strict'] && funct['(global)']) {
+            warning("Strict violation.", x);
+        }
+    });
+    reservevar('eval');
+    reservevar('false');
+    reservevar('Infinity');
+    reservevar('NaN');
+    reservevar('null');
+    reservevar('this', function (x) {
+        if (directive['use strict'] && !option.validthis && ((funct['(statement)'] &&
+                funct['(name)'].charAt(0) > 'Z') || funct['(global)'])) {
+            warning("Possible strict violation.", x);
+        }
+    });
+    reservevar('true');
+    reservevar('undefined');
+    assignop('=', 'assign', 20);
+    assignop('+=', 'assignadd', 20);
+    assignop('-=', 'assignsub', 20);
+    assignop('*=', 'assignmult', 20);
+    assignop('/=', 'assigndiv', 20).nud = function () {
+        error("A regular expression literal can be confused with '/='.");
+    };
+    assignop('%=', 'assignmod', 20);
+    bitwiseassignop('&=', 'assignbitand', 20);
+    bitwiseassignop('|=', 'assignbitor', 20);
+    bitwiseassignop('^=', 'assignbitxor', 20);
+    bitwiseassignop('<<=', 'assignshiftleft', 20);
+    bitwiseassignop('>>=', 'assignshiftright', 20);
+    bitwiseassignop('>>>=', 'assignshiftrightunsigned', 20);
+    infix('?', function (left, that) {
+        that.left = left;
+        that.right = expression(10);
+        advance(':');
+        that['else'] = expression(10);
+        return that;
+    }, 30);
+
+    infix('||', 'or', 40);
+    infix('&&', 'and', 50);
+    bitwise('|', 'bitor', 70);
+    bitwise('^', 'bitxor', 80);
+    bitwise('&', 'bitand', 90);
+    relation('==', function (left, right) {
+        var eqnull = option.eqnull && (left.value === 'null' || right.value === 'null');
+
+        if (!eqnull && option.eqeqeq)
+            warning("Expected '{a}' and instead saw '{b}'.", this, '===', '==');
+        else if (isPoorRelation(left))
+            warning("Use '{a}' to compare with '{b}'.", this, '===', left.value);
+        else if (isPoorRelation(right))
+            warning("Use '{a}' to compare with '{b}'.", this, '===', right.value);
+
+        return this;
+    });
+    relation('===');
+    relation('!=', function (left, right) {
+        var eqnull = option.eqnull &&
+                (left.value === 'null' || right.value === 'null');
+
+        if (!eqnull && option.eqeqeq) {
+            warning("Expected '{a}' and instead saw '{b}'.",
+                    this, '!==', '!=');
+        } else if (isPoorRelation(left)) {
+            warning("Use '{a}' to compare with '{b}'.",
+                    this, '!==', left.value);
+        } else if (isPoorRelation(right)) {
+            warning("Use '{a}' to compare with '{b}'.",
+                    this, '!==', right.value);
+        }
+        return this;
+    });
+    relation('!==');
+    relation('<');
+    relation('>');
+    relation('<=');
+    relation('>=');
+    bitwise('<<', 'shiftleft', 120);
+    bitwise('>>', 'shiftright', 120);
+    bitwise('>>>', 'shiftrightunsigned', 120);
+    infix('in', 'in', 120);
+    infix('instanceof', 'instanceof', 120);
+    infix('+', function (left, that) {
+        var right = expression(130);
+        if (left && right && left.id === '(string)' && right.id === '(string)') {
+            left.value += right.value;
+            left.character = right.character;
+            if (!option.scripturl && jx.test(left.value)) {
+                warning("JavaScript URL.", left);
+            }
+            return left;
+        }
+        that.left = left;
+        that.right = right;
+        return that;
+    }, 130);
+    prefix('+', 'num');
+    prefix('+++', function () {
+        warning("Confusing pluses.");
+        this.right = expression(150);
+        this.arity = 'unary';
+        return this;
+    });
+    infix('+++', function (left) {
+        warning("Confusing pluses.");
+        this.left = left;
+        this.right = expression(130);
+        return this;
+    }, 130);
+    infix('-', 'sub', 130);
+    prefix('-', 'neg');
+    prefix('---', function () {
+        warning("Confusing minuses.");
+        this.right = expression(150);
+        this.arity = 'unary';
+        return this;
+    });
+    infix('---', function (left) {
+        warning("Confusing minuses.");
+        this.left = left;
+        this.right = expression(130);
+        return this;
+    }, 130);
+    infix('*', 'mult', 140);
+    infix('/', 'div', 140);
+    infix('%', 'mod', 140);
+
+    suffix('++', 'postinc');
+    prefix('++', 'preinc');
+    syntax['++'].exps = true;
+
+    suffix('--', 'postdec');
+    prefix('--', 'predec');
+    syntax['--'].exps = true;
+    prefix('delete', function () {
+        var p = expression(0);
+        if (!p || (p.id !== '.' && p.id !== '[')) {
+            warning("Variables should not be deleted.");
+        }
+        this.first = p;
+        return this;
+    }).exps = true;
+
+    prefix('~', function () {
+        if (option.bitwise) {
+            warning("Unexpected '{a}'.", this, '~');
+        }
+        expression(150);
+        return this;
+    });
+
+    prefix('!', function () {
+        this.right = expression(150);
+        this.arity = 'unary';
+        if (bang[this.right.id] === true) {
+            warning("Confusing use of '{a}'.", this, '!');
+        }
+        return this;
+    });
+    prefix('typeof', 'typeof');
+    prefix('new', function () {
+        var c = expression(155), i;
+        if (c && c.id !== 'function') {
+            if (c.identifier) {
+                c['new'] = true;
+                switch (c.value) {
+                case 'Number':
+                case 'String':
+                case 'Boolean':
+                case 'Math':
+                case 'JSON':
+                    warning("Do not use {a} as a constructor.", token, c.value);
+                    break;
+                case 'Function':
+                    if (!option.evil) {
+                        warning("The Function constructor is eval.");
+                    }
+                    break;
+                case 'Date':
+                case 'RegExp':
+                    break;
+                default:
+                    if (c.id !== 'function') {
+                        i = c.value.substr(0, 1);
+                        if (option.newcap && (i < 'A' || i > 'Z')) {
+                            warning("A constructor name should start with an uppercase letter.",
+                                token);
+                        }
+                    }
+                }
+            } else {
+                if (c.id !== '.' && c.id !== '[' && c.id !== '(') {
+                    warning("Bad constructor.", token);
+                }
+            }
+        } else {
+            if (!option.supernew)
+                warning("Weird construction. Delete 'new'.", this);
+        }
+        adjacent(token, nexttoken);
+        if (nexttoken.id !== '(' && !option.supernew) {
+            warning("Missing '()' invoking a constructor.");
+        }
+        this.first = c;
+        return this;
+    });
+    syntax['new'].exps = true;
+
+    prefix('void').exps = true;
+
+    infix('.', function (left, that) {
+        adjacent(prevtoken, token);
+        nobreak();
+        var m = identifier();
+        if (typeof m === 'string') {
+            countMember(m);
+        }
+        that.left = left;
+        that.right = m;
+        if (left && left.value === 'arguments' && (m === 'callee' || m === 'caller')) {
+            if (option.noarg)
+                warning("Avoid arguments.{a}.", left, m);
+            else if (directive['use strict'])
+                error('Strict violation.');
+        } else if (!option.evil && left && left.value === 'document' &&
+                (m === 'write' || m === 'writeln')) {
+            warning("document.write can be a form of eval.", left);
+        }
+        if (!option.evil && (m === 'eval' || m === 'execScript')) {
+            warning('eval is evil.');
+        }
+        return that;
+    }, 160, true);
+
+    infix('(', function (left, that) {
+        if (prevtoken.id !== '}' && prevtoken.id !== ')') {
+            nobreak(prevtoken, token);
+        }
+        nospace();
+        if (option.immed && !left.immed && left.id === 'function') {
+            warning("Wrap an immediate function invocation in parentheses " +
+                "to assist the reader in understanding that the expression " +
+                "is the result of a function, and not the function itself.");
+        }
+        var n = 0,
+            p = [];
+        if (left) {
+            if (left.type === '(identifier)') {
+                if (left.value.match(/^[A-Z]([A-Z0-9_$]*[a-z][A-Za-z0-9_$]*)?$/)) {
+                    if (left.value !== 'Number' && left.value !== 'String' &&
+                            left.value !== 'Boolean' &&
+                            left.value !== 'Date') {
+                        if (left.value === 'Math') {
+                            warning("Math is not a function.", left);
+                        } else if (option.newcap) {
+                            warning(
+"Missing 'new' prefix when invoking a constructor.", left);
+                        }
+                    }
+                }
+            }
+        }
+        if (nexttoken.id !== ')') {
+            for (;;) {
+                p[p.length] = expression(10);
+                n += 1;
+                if (nexttoken.id !== ',') {
+                    break;
+                }
+                comma();
+            }
+        }
+        advance(')');
+        nospace(prevtoken, token);
+        if (typeof left === 'object') {
+            if (left.value === 'parseInt' && n === 1) {
+                warning("Missing radix parameter.", left);
+            }
+            if (!option.evil) {
+                if (left.value === 'eval' || left.value === 'Function' ||
+                        left.value === 'execScript') {
+                    warning("eval is evil.", left);
+                } else if (p[0] && p[0].id === '(string)' &&
+                       (left.value === 'setTimeout' ||
+                        left.value === 'setInterval')) {
+                    warning(
+    "Implied eval is evil. Pass a function instead of a string.", left);
+                }
+            }
+            if (!left.identifier && left.id !== '.' && left.id !== '[' &&
+                    left.id !== '(' && left.id !== '&&' && left.id !== '||' &&
+                    left.id !== '?') {
+                warning("Bad invocation.", left);
+            }
+        }
+        that.left = left;
+        return that;
+    }, 155, true).exps = true;
+
+    prefix('(', function () {
+        nospace();
+        if (nexttoken.id === 'function') {
+            nexttoken.immed = true;
+        }
+        var v = expression(0);
+        advance(')', this);
+        nospace(prevtoken, token);
+        if (option.immed && v.id === 'function') {
+            if (nexttoken.id === '(' ||
+              (nexttoken.id === '.' && (peek().value === 'call' || peek().value === 'apply'))) {
+                warning(
+"Move the invocation into the parens that contain the function.", nexttoken);
+            } else {
+                warning(
+"Do not wrap function literals in parens unless they are to be immediately invoked.",
+                        this);
+            }
+        }
+        return v;
+    });
+
+    infix('[', function (left, that) {
+        nobreak(prevtoken, token);
+        nospace();
+        var e = expression(0), s;
+        if (e && e.type === '(string)') {
+            if (!option.evil && (e.value === 'eval' || e.value === 'execScript')) {
+                warning("eval is evil.", that);
+            }
+            countMember(e.value);
+            if (!option.sub && ix.test(e.value)) {
+                s = syntax[e.value];
+                if (!s || !s.reserved) {
+                    warning("['{a}'] is better written in dot notation.",
+                            e, e.value);
+                }
+            }
+        }
+        advance(']', that);
+        nospace(prevtoken, token);
+        that.left = left;
+        that.right = e;
+        return that;
+    }, 160, true);
+
+    prefix('[', function () {
+        var b = token.line !== nexttoken.line;
+        this.first = [];
+        if (b) {
+            indent += option.indent;
+            if (nexttoken.from === indent + option.indent) {
+                indent += option.indent;
+            }
+        }
+        while (nexttoken.id !== '(end)') {
+            while (nexttoken.id === ',') {
+                warning("Extra comma.");
+                advance(',');
+            }
+            if (nexttoken.id === ']') {
+                break;
+            }
+            if (b && token.line !== nexttoken.line) {
+                indentation();
+            }
+            this.first.push(expression(10));
+            if (nexttoken.id === ',') {
+                comma();
+                if (nexttoken.id === ']' && !option.es5) {
+                    warning("Extra comma.", token);
+                    break;
+                }
+            } else {
+                break;
+            }
+        }
+        if (b) {
+            indent -= option.indent;
+            indentation();
+        }
+        advance(']', this);
+        return this;
+    }, 160);
+
+
+    function property_name() {
+        var id = optionalidentifier(true);
+        if (!id) {
+            if (nexttoken.id === '(string)') {
+                id = nexttoken.value;
+                advance();
+            } else if (nexttoken.id === '(number)') {
+                id = nexttoken.value.toString();
+                advance();
+            }
+        }
+        return id;
+    }
+
+
+    function functionparams() {
+        var i, t = nexttoken, p = [];
+        advance('(');
+        nospace();
+        if (nexttoken.id === ')') {
+            advance(')');
+            return;
+        }
+        for (;;) {
+            i = identifier(true);
+            p.push(i);
+            addlabel(i, 'parameter');
+            if (nexttoken.id === ',') {
+                comma();
+            } else {
+                advance(')', t);
+                nospace(prevtoken, token);
+                return p;
+            }
+        }
+    }
+
+
+    function doFunction(i, statement) {
+        var f,
+            oldOption = option,
+            oldScope  = scope;
+
+        option = Object.create(option);
+        scope = Object.create(scope);
+
+        funct = {
+            '(name)'     : i || '"' + anonname + '"',
+            '(line)'     : nexttoken.line,
+            '(context)'  : funct,
+            '(breakage)' : 0,
+            '(loopage)'  : 0,
+            '(scope)'    : scope,
+            '(statement)': statement
+        };
+        f = funct;
+        token.funct = funct;
+        functions.push(funct);
+        if (i) {
+            addlabel(i, 'function');
+        }
+        funct['(params)'] = functionparams();
+
+        block(false, false, true);
+        scope = oldScope;
+        option = oldOption;
+        funct['(last)'] = token.line;
+        funct = funct['(context)'];
+        return f;
+    }
+
+
+    (function (x) {
+        x.nud = function () {
+            var b, f, i, j, p, t;
+            var props = {}; // All properties, including accessors
+
+            function saveProperty(name, token) {
+                if (props[name] && is_own(props, name))
+                    warning("Duplicate member '{a}'.", nexttoken, i);
+                else
+                    props[name] = {};
+
+                props[name].basic = true;
+                props[name].basicToken = token;
+            }
+
+            function saveSetter(name, token) {
+                if (props[name] && is_own(props, name)) {
+                    if (props[name].basic || props[name].setter)
+                        warning("Duplicate member '{a}'.", nexttoken, i);
+                } else {
+                    props[name] = {};
+                }
+
+                props[name].setter = true;
+                props[name].setterToken = token;
+            }
+
+            function saveGetter(name) {
+                if (props[name] && is_own(props, name)) {
+                    if (props[name].basic || props[name].getter)
+                        warning("Duplicate member '{a}'.", nexttoken, i);
+                } else {
+                    props[name] = {};
+                }
+
+                props[name].getter = true;
+                props[name].getterToken = token;
+            }
+
+            b = token.line !== nexttoken.line;
+            if (b) {
+                indent += option.indent;
+                if (nexttoken.from === indent + option.indent) {
+                    indent += option.indent;
+                }
+            }
+            for (;;) {
+                if (nexttoken.id === '}') {
+                    break;
+                }
+                if (b) {
+                    indentation();
+                }
+                if (nexttoken.value === 'get' && peek().id !== ':') {
+                    advance('get');
+                    if (!option.es5) {
+                        error("get/set are ES5 features.");
+                    }
+                    i = property_name();
+                    if (!i) {
+                        error("Missing property name.");
+                    }
+                    saveGetter(i);
+                    t = nexttoken;
+                    adjacent(token, nexttoken);
+                    f = doFunction();
+                    p = f['(params)'];
+                    if (p) {
+                        warning("Unexpected parameter '{a}' in get {b} function.", t, p[0], i);
+                    }
+                    adjacent(token, nexttoken);
+                } else if (nexttoken.value === 'set' && peek().id !== ':') {
+                    advance('set');
+                    if (!option.es5) {
+                        error("get/set are ES5 features.");
+                    }
+                    i = property_name();
+                    if (!i) {
+                        error("Missing property name.");
+                    }
+                    saveSetter(i, nexttoken);
+                    t = nexttoken;
+                    adjacent(token, nexttoken);
+                    f = doFunction();
+                    p = f['(params)'];
+                    if (!p || p.length !== 1) {
+                        warning("Expected a single parameter in set {a} function.", t, i);
+                    }
+                } else {
+                    i = property_name();
+                    saveProperty(i, nexttoken);
+                    if (typeof i !== 'string') {
+                        break;
+                    }
+                    advance(':');
+                    nonadjacent(token, nexttoken);
+                    expression(10);
+                }
+
+                countMember(i);
+                if (nexttoken.id === ',') {
+                    comma();
+                    if (nexttoken.id === ',') {
+                        warning("Extra comma.", token);
+                    } else if (nexttoken.id === '}' && !option.es5) {
+                        warning("Extra comma.", token);
+                    }
+                } else {
+                    break;
+                }
+            }
+            if (b) {
+                indent -= option.indent;
+                indentation();
+            }
+            advance('}', this);
+
+            // Check for lonely setters if in the ES5 mode.
+            if (option.es5) {
+                for (var name in props) {
+                    if (is_own(props, name) && props[name].setter && !props[name].getter) {
+                        warning("Setter is defined without getter.", props[name].setterToken);
+                    }
+                }
+            }
+            return this;
+        };
+        x.fud = function () {
+            error("Expected to see a statement and instead saw a block.", token);
+        };
+    }(delim('{')));
+
+// This Function is called when esnext option is set to true
+// it adds the `const` statement to JSHINT
+
+    useESNextSyntax = function () {
+        var conststatement = stmt('const', function (prefix) {
+            var id, name, value;
+
+            this.first = [];
+            for (;;) {
+                nonadjacent(token, nexttoken);
+                id = identifier();
+                if (funct[id] === "const") {
+                    warning("const '" + id + "' has already been declared");
+                }
+                if (funct['(global)'] && predefined[id] === false) {
+                    warning("Redefinition of '{a}'.", token, id);
+                }
+                addlabel(id, 'const');
+                if (prefix) {
+                    break;
+                }
+                name = token;
+                this.first.push(token);
+
+                if (nexttoken.id !== "=") {
+                    warning("const " +
+                      "'{a}' is initialized to 'undefined'.", token, id);
+                }
+
+                if (nexttoken.id === '=') {
+                    nonadjacent(token, nexttoken);
+                    advance('=');
+                    nonadjacent(token, nexttoken);
+                    if (nexttoken.id === 'undefined') {
+                        warning("It is not necessary to initialize " +
+                          "'{a}' to 'undefined'.", token, id);
+                    }
+                    if (peek(0).id === '=' && nexttoken.identifier) {
+                        error("Constant {a} was not declared correctly.",
+                                nexttoken, nexttoken.value);
+                    }
+                    value = expression(0);
+                    name.first = value;
+                }
+
+                if (nexttoken.id !== ',') {
+                    break;
+                }
+                comma();
+            }
+            return this;
+        });
+        conststatement.exps = true;
+    };
+
+    var varstatement = stmt('var', function (prefix) {
+        // JavaScript does not have block scope. It only has function scope. So,
+        // declaring a variable in a block can have unexpected consequences.
+        var id, name, value;
+
+        if (funct['(onevar)'] && option.onevar) {
+            warning("Too many var statements.");
+        } else if (!funct['(global)']) {
+            funct['(onevar)'] = true;
+        }
+        this.first = [];
+        for (;;) {
+            nonadjacent(token, nexttoken);
+            id = identifier();
+            if (option.esnext && funct[id] === "const") {
+                warning("const '" + id + "' has already been declared");
+            }
+            if (funct['(global)'] && predefined[id] === false) {
+                warning("Redefinition of '{a}'.", token, id);
+            }
+            addlabel(id, 'unused');
+            if (prefix) {
+                break;
+            }
+            name = token;
+            this.first.push(token);
+            if (nexttoken.id === '=') {
+                nonadjacent(token, nexttoken);
+                advance('=');
+                nonadjacent(token, nexttoken);
+                if (nexttoken.id === 'undefined') {
+                    warning("It is not necessary to initialize '{a}' to 'undefined'.", token, id);
+                }
+                if (peek(0).id === '=' && nexttoken.identifier) {
+                    error("Variable {a} was not declared correctly.",
+                            nexttoken, nexttoken.value);
+                }
+                value = expression(0);
+                name.first = value;
+            }
+            if (nexttoken.id !== ',') {
+                break;
+            }
+            comma();
+        }
+        return this;
+    });
+    varstatement.exps = true;
+
+    blockstmt('function', function () {
+        if (inblock) {
+            warning("Function declarations should not be placed in blocks. " +
+                "Use a function expression or move the statement to the top of " +
+                "the outer function.", token);
+
+        }
+        var i = identifier();
+        if (option.esnext && funct[i] === "const") {
+            warning("const '" + i + "' has already been declared");
+        }
+        adjacent(token, nexttoken);
+        addlabel(i, 'unction');
+        doFunction(i, true);
+        if (nexttoken.id === '(' && nexttoken.line === token.line) {
+            error(
+"Function declarations are not invocable. Wrap the whole function invocation in parens.");
+        }
+        return this;
+    });
+
+    prefix('function', function () {
+        var i = optionalidentifier();
+        if (i) {
+            adjacent(token, nexttoken);
+        } else {
+            nonadjacent(token, nexttoken);
+        }
+        doFunction(i);
+        if (!option.loopfunc && funct['(loopage)']) {
+            warning("Don't make functions within a loop.");
+        }
+        return this;
+    });
+
+    blockstmt('if', function () {
+        var t = nexttoken;
+        advance('(');
+        nonadjacent(this, t);
+        nospace();
+        expression(20);
+        if (nexttoken.id === '=') {
+            if (!option.boss)
+                warning("Expected a conditional expression and instead saw an assignment.");
+            advance('=');
+            expression(20);
+        }
+        advance(')', t);
+        nospace(prevtoken, token);
+        block(true, true);
+        if (nexttoken.id === 'else') {
+            nonadjacent(token, nexttoken);
+            advance('else');
+            if (nexttoken.id === 'if' || nexttoken.id === 'switch') {
+                statement(true);
+            } else {
+                block(true, true);
+            }
+        }
+        return this;
+    });
+
+    blockstmt('try', function () {
+        var b, e, s;
+
+        block(false);
+        if (nexttoken.id === 'catch') {
+            advance('catch');
+            nonadjacent(token, nexttoken);
+            advance('(');
+            s = scope;
+            scope = Object.create(s);
+            e = nexttoken.value;
+            if (nexttoken.type !== '(identifier)') {
+                warning("Expected an identifier and instead saw '{a}'.",
+                    nexttoken, e);
+            } else {
+                addlabel(e, 'exception');
+            }
+            advance();
+            advance(')');
+            block(false);
+            b = true;
+            scope = s;
+        }
+        if (nexttoken.id === 'finally') {
+            advance('finally');
+            block(false);
+            return;
+        } else if (!b) {
+            error("Expected '{a}' and instead saw '{b}'.",
+                    nexttoken, 'catch', nexttoken.value);
+        }
+        return this;
+    });
+
+    blockstmt('while', function () {
+        var t = nexttoken;
+        funct['(breakage)'] += 1;
+        funct['(loopage)'] += 1;
+        advance('(');
+        nonadjacent(this, t);
+        nospace();
+        expression(20);
+        if (nexttoken.id === '=') {
+            if (!option.boss)
+                warning("Expected a conditional expression and instead saw an assignment.");
+            advance('=');
+            expression(20);
+        }
+        advance(')', t);
+        nospace(prevtoken, token);
+        block(true, true);
+        funct['(breakage)'] -= 1;
+        funct['(loopage)'] -= 1;
+        return this;
+    }).labelled = true;
+
+    blockstmt('with', function () {
+        var t = nexttoken;
+        if (directive['use strict']) {
+            error("'with' is not allowed in strict mode.", token);
+        } else if (!option.withstmt) {
+            warning("Don't use 'with'.", token);
+        }
+
+        advance('(');
+        nonadjacent(this, t);
+        nospace();
+        expression(0);
+        advance(')', t);
+        nospace(prevtoken, token);
+        block(true, true);
+
+        return this;
+    });
+
+    blockstmt('switch', function () {
+        var t = nexttoken,
+            g = false;
+        funct['(breakage)'] += 1;
+        advance('(');
+        nonadjacent(this, t);
+        nospace();
+        this.condition = expression(20);
+        advance(')', t);
+        nospace(prevtoken, token);
+        nonadjacent(token, nexttoken);
+        t = nexttoken;
+        advance('{');
+        nonadjacent(token, nexttoken);
+        indent += option.indent;
+        this.cases = [];
+        for (;;) {
+            switch (nexttoken.id) {
+            case 'case':
+                switch (funct['(verb)']) {
+                case 'break':
+                case 'case':
+                case 'continue':
+                case 'return':
+                case 'switch':
+                case 'throw':
+                    break;
+                default:
+                    // You can tell JSHint that you don't use break intentionally by
+                    // adding a comment /* falls through */ on a line just before
+                    // the next `case`.
+                    if (!ft.test(lines[nexttoken.line - 2])) {
+                        warning(
+                            "Expected a 'break' statement before 'case'.",
+                            token);
+                    }
+                }
+                indentation(-option.indent);
+                advance('case');
+                this.cases.push(expression(20));
+                g = true;
+                advance(':');
+                funct['(verb)'] = 'case';
+                break;
+            case 'default':
+                switch (funct['(verb)']) {
+                case 'break':
+                case 'continue':
+                case 'return':
+                case 'throw':
+                    break;
+                default:
+                    if (!ft.test(lines[nexttoken.line - 2])) {
+                        warning(
+                            "Expected a 'break' statement before 'default'.",
+                            token);
+                    }
+                }
+                indentation(-option.indent);
+                advance('default');
+                g = true;
+                advance(':');
+                break;
+            case '}':
+                indent -= option.indent;
+                indentation();
+                advance('}', t);
+                if (this.cases.length === 1 || this.condition.id === 'true' ||
+                        this.condition.id === 'false') {
+                    if (!option.onecase)
+                        warning("This 'switch' should be an 'if'.", this);
+                }
+                funct['(breakage)'] -= 1;
+                funct['(verb)'] = undefined;
+                return;
+            case '(end)':
+                error("Missing '{a}'.", nexttoken, '}');
+                return;
+            default:
+                if (g) {
+                    switch (token.id) {
+                    case ',':
+                        error("Each value should have its own case label.");
+                        return;
+                    case ':':
+                        g = false;
+                        statements();
+                        break;
+                    default:
+                        error("Missing ':' on a case clause.", token);
+                        return;
+                    }
+                } else {
+                    if (token.id === ':') {
+                        advance(':');
+                        error("Unexpected '{a}'.", token, ':');
+                        statements();
+                    } else {
+                        error("Expected '{a}' and instead saw '{b}'.",
+                            nexttoken, 'case', nexttoken.value);
+                        return;
+                    }
+                }
+            }
+        }
+    }).labelled = true;
+
+    stmt('debugger', function () {
+        if (!option.debug) {
+            warning("All 'debugger' statements should be removed.");
+        }
+        return this;
+    }).exps = true;
+
+    (function () {
+        var x = stmt('do', function () {
+            funct['(breakage)'] += 1;
+            funct['(loopage)'] += 1;
+            this.first = block(true);
+            advance('while');
+            var t = nexttoken;
+            nonadjacent(token, t);
+            advance('(');
+            nospace();
+            expression(20);
+            if (nexttoken.id === '=') {
+                if (!option.boss)
+                    warning("Expected a conditional expression and instead saw an assignment.");
+                advance('=');
+                expression(20);
+            }
+            advance(')', t);
+            nospace(prevtoken, token);
+            funct['(breakage)'] -= 1;
+            funct['(loopage)'] -= 1;
+            return this;
+        });
+        x.labelled = true;
+        x.exps = true;
+    }());
+
+    blockstmt('for', function () {
+        var s, t = nexttoken;
+        funct['(breakage)'] += 1;
+        funct['(loopage)'] += 1;
+        advance('(');
+        nonadjacent(this, t);
+        nospace();
+        if (peek(nexttoken.id === 'var' ? 1 : 0).id === 'in') {
+            if (nexttoken.id === 'var') {
+                advance('var');
+                varstatement.fud.call(varstatement, true);
+            } else {
+                switch (funct[nexttoken.value]) {
+                case 'unused':
+                    funct[nexttoken.value] = 'var';
+                    break;
+                case 'var':
+                    break;
+                default:
+                    warning("Bad for in variable '{a}'.",
+                            nexttoken, nexttoken.value);
+                }
+                advance();
+            }
+            advance('in');
+            expression(20);
+            advance(')', t);
+            s = block(true, true);
+            if (option.forin && s && (s.length > 1 || typeof s[0] !== 'object' ||
+                    s[0].value !== 'if')) {
+                warning("The body of a for in should be wrapped in an if statement to filter " +
+                        "unwanted properties from the prototype.", this);
+            }
+            funct['(breakage)'] -= 1;
+            funct['(loopage)'] -= 1;
+            return this;
+        } else {
+            if (nexttoken.id !== ';') {
+                if (nexttoken.id === 'var') {
+                    advance('var');
+                    varstatement.fud.call(varstatement);
+                } else {
+                    for (;;) {
+                        expression(0, 'for');
+                        if (nexttoken.id !== ',') {
+                            break;
+                        }
+                        comma();
+                    }
+                }
+            }
+            nolinebreak(token);
+            advance(';');
+            if (nexttoken.id !== ';') {
+                expression(20);
+                if (nexttoken.id === '=') {
+                    if (!option.boss)
+                        warning("Expected a conditional expression and instead saw an assignment.");
+                    advance('=');
+                    expression(20);
+                }
+            }
+            nolinebreak(token);
+            advance(';');
+            if (nexttoken.id === ';') {
+                error("Expected '{a}' and instead saw '{b}'.",
+                        nexttoken, ')', ';');
+            }
+            if (nexttoken.id !== ')') {
+                for (;;) {
+                    expression(0, 'for');
+                    if (nexttoken.id !== ',') {
+                        break;
+                    }
+                    comma();
+                }
+            }
+            advance(')', t);
+            nospace(prevtoken, token);
+            block(true, true);
+            funct['(breakage)'] -= 1;
+            funct['(loopage)'] -= 1;
+            return this;
+        }
+    }).labelled = true;
+
+
+    stmt('break', function () {
+        var v = nexttoken.value;
+
+        if (funct['(breakage)'] === 0)
+            warning("Unexpected '{a}'.", nexttoken, this.value);
+
+        if (!option.asi)
+            nolinebreak(this);
+
+        if (nexttoken.id !== ';') {
+            if (token.line === nexttoken.line) {
+                if (funct[v] !== 'label') {
+                    warning("'{a}' is not a statement label.", nexttoken, v);
+                } else if (scope[v] !== funct) {
+                    warning("'{a}' is out of scope.", nexttoken, v);
+                }
+                this.first = nexttoken;
+                advance();
+            }
+        }
+        reachable('break');
+        return this;
+    }).exps = true;
+
+
+    stmt('continue', function () {
+        var v = nexttoken.value;
+
+        if (funct['(breakage)'] === 0)
+            warning("Unexpected '{a}'.", nexttoken, this.value);
+
+        if (!option.asi)
+            nolinebreak(this);
+
+        if (nexttoken.id !== ';') {
+            if (token.line === nexttoken.line) {
+                if (funct[v] !== 'label') {
+                    warning("'{a}' is not a statement label.", nexttoken, v);
+                } else if (scope[v] !== funct) {
+                    warning("'{a}' is out of scope.", nexttoken, v);
+                }
+                this.first = nexttoken;
+                advance();
+            }
+        } else if (!funct['(loopage)']) {
+            warning("Unexpected '{a}'.", nexttoken, this.value);
+        }
+        reachable('continue');
+        return this;
+    }).exps = true;
+
+
+    stmt('return', function () {
+        if (this.line === nexttoken.line) {
+            if (nexttoken.id === '(regexp)')
+                warning("Wrap the /regexp/ literal in parens to disambiguate the slash operator.");
+
+            if (nexttoken.id !== ';' && !nexttoken.reach) {
+                nonadjacent(token, nexttoken);
+                if (peek().value === "=" && !option.boss) {
+                    warningAt("Did you mean to return a conditional instead of an assignment?",
+                              token.line, token.character + 1);
+                }
+                this.first = expression(0);
+            }
+        } else if (!option.asi) {
+            nolinebreak(this); // always warn (Line breaking error)
+        }
+        reachable('return');
+        return this;
+    }).exps = true;
+
+
+    stmt('throw', function () {
+        nolinebreak(this);
+        nonadjacent(token, nexttoken);
+        this.first = expression(20);
+        reachable('throw');
+        return this;
+    }).exps = true;
+
+//  Superfluous reserved words
+
+    reserve('class');
+    reserve('const');
+    reserve('enum');
+    reserve('export');
+    reserve('extends');
+    reserve('import');
+    reserve('super');
+
+    reserve('let');
+    reserve('yield');
+    reserve('implements');
+    reserve('interface');
+    reserve('package');
+    reserve('private');
+    reserve('protected');
+    reserve('public');
+    reserve('static');
+
+
+// Parse JSON
+
+    function jsonValue() {
+
+        function jsonObject() {
+            var o = {}, t = nexttoken;
+            advance('{');
+            if (nexttoken.id !== '}') {
+                for (;;) {
+                    if (nexttoken.id === '(end)') {
+                        error("Missing '}' to match '{' from line {a}.",
+                                nexttoken, t.line);
+                    } else if (nexttoken.id === '}') {
+                        warning("Unexpected comma.", token);
+                        break;
+                    } else if (nexttoken.id === ',') {
+                        error("Unexpected comma.", nexttoken);
+                    } else if (nexttoken.id !== '(string)') {
+                        warning("Expected a string and instead saw {a}.",
+                                nexttoken, nexttoken.value);
+                    }
+                    if (o[nexttoken.value] === true) {
+                        warning("Duplicate key '{a}'.",
+                                nexttoken, nexttoken.value);
+                    } else if ((nexttoken.value === '__proto__' &&
+                        !option.proto) || (nexttoken.value === '__iterator__' &&
+                        !option.iterator)) {
+                        warning("The '{a}' key may produce unexpected results.",
+                            nexttoken, nexttoken.value);
+                    } else {
+                        o[nexttoken.value] = true;
+                    }
+                    advance();
+                    advance(':');
+                    jsonValue();
+                    if (nexttoken.id !== ',') {
+                        break;
+                    }
+                    advance(',');
+                }
+            }
+            advance('}');
+        }
+
+        function jsonArray() {
+            var t = nexttoken;
+            advance('[');
+            if (nexttoken.id !== ']') {
+                for (;;) {
+                    if (nexttoken.id === '(end)') {
+                        error("Missing ']' to match '[' from line {a}.",
+                                nexttoken, t.line);
+                    } else if (nexttoken.id === ']') {
+                        warning("Unexpected comma.", token);
+                        break;
+                    } else if (nexttoken.id === ',') {
+                        error("Unexpected comma.", nexttoken);
+                    }
+                    jsonValue();
+                    if (nexttoken.id !== ',') {
+                        break;
+                    }
+                    advance(',');
+                }
+            }
+            advance(']');
+        }
+
+        switch (nexttoken.id) {
+        case '{':
+            jsonObject();
+            break;
+        case '[':
+            jsonArray();
+            break;
+        case 'true':
+        case 'false':
+        case 'null':
+        case '(number)':
+        case '(string)':
+            advance();
+            break;
+        case '-':
+            advance('-');
+            if (token.character !== nexttoken.from) {
+                warning("Unexpected space after '-'.", token);
+            }
+            adjacent(token, nexttoken);
+            advance('(number)');
+            break;
+        default:
+            error("Expected a JSON value.", nexttoken);
+        }
+    }
+
+
+// The actual JSHINT function itself.
+
+    var itself = function (s, o, g) {
+        var a, i, k;
+        JSHINT.errors = [];
+        JSHINT.undefs = [];
+        predefined = Object.create(standard);
+        combine(predefined, g || {});
+        if (o) {
+            a = o.predef;
+            if (a) {
+                if (Array.isArray(a)) {
+                    for (i = 0; i < a.length; i += 1) {
+                        predefined[a[i]] = true;
+                    }
+                } else if (typeof a === 'object') {
+                    k = Object.keys(a);
+                    for (i = 0; i < k.length; i += 1) {
+                        predefined[k[i]] = !!a[k[i]];
+                    }
+                }
+            }
+            option = o;
+        } else {
+            option = {};
+        }
+        option.indent = option.indent || 4;
+        option.maxerr = option.maxerr || 50;
+
+        tab = '';
+        for (i = 0; i < option.indent; i += 1) {
+            tab += ' ';
+        }
+        indent = 1;
+        global = Object.create(predefined);
+        scope = global;
+        funct = {
+            '(global)': true,
+            '(name)': '(global)',
+            '(scope)': scope,
+            '(breakage)': 0,
+            '(loopage)': 0
+        };
+        functions = [funct];
+        urls = [];
+        stack = null;
+        member = {};
+        membersOnly = null;
+        implied = {};
+        inblock = false;
+        lookahead = [];
+        jsonmode = false;
+        warnings = 0;
+        lex.init(s);
+        prereg = true;
+        directive = {};
+
+        prevtoken = token = nexttoken = syntax['(begin)'];
+
+        // Check options
+        for (var name in o) {
+            if (is_own(o, name)) {
+                checkOption(name, token);
+            }
+        }
+
+        assume();
+
+        // combine the passed globals after we've assumed all our options
+        combine(predefined, g || {});
+
+        //reset values
+        comma.first = true;
+
+        try {
+            advance();
+            switch (nexttoken.id) {
+            case '{':
+            case '[':
+                option.laxbreak = true;
+                jsonmode = true;
+                jsonValue();
+                break;
+            default:
+                directives();
+                if (directive["use strict"] && !option.globalstrict) {
+                    warning("Use the function form of \"use strict\".", prevtoken);
+                }
+
+                statements();
+            }
+            advance('(end)');
+
+            var markDefined = function (name, context) {
+                do {
+                    if (typeof context[name] === 'string') {
+                        // JSHINT marks unused variables as 'unused' and
+                        // unused function declaration as 'unction'. This
+                        // code changes such instances back 'var' and
+                        // 'closure' so that the code in JSHINT.data()
+                        // doesn't think they're unused.
+
+                        if (context[name] === 'unused')
+                            context[name] = 'var';
+                        else if (context[name] === 'unction')
+                            context[name] = 'closure';
+
+                        return true;
+                    }
+
+                    context = context['(context)'];
+                } while (context);
+
+                return false;
+            };
+
+            var clearImplied = function (name, line) {
+                if (!implied[name])
+                    return;
+
+                var newImplied = [];
+                for (var i = 0; i < implied[name].length; i += 1) {
+                    if (implied[name][i] !== line)
+                        newImplied.push(implied[name][i]);
+                }
+
+                if (newImplied.length === 0)
+                    delete implied[name];
+                else
+                    implied[name] = newImplied;
+            };
+
+            // Check queued 'x is not defined' instances to see if they're still undefined.
+            for (i = 0; i < JSHINT.undefs.length; i += 1) {
+                k = JSHINT.undefs[i].slice(0);
+
+                if (markDefined(k[2].value, k[0])) {
+                    clearImplied(k[2].value, k[2].line);
+                } else {
+                    warning.apply(warning, k.slice(1));
+                }
+            }
+        } catch (e) {
+            if (e) {
+                var nt = nexttoken || {};
+                JSHINT.errors.push({
+                    raw       : e.raw,
+                    reason    : e.message,
+                    line      : e.line || nt.line,
+                    character : e.character || nt.from
+                }, null);
+            }
+        }
+
+        return JSHINT.errors.length === 0;
+    };
+
+    // Data summary.
+    itself.data = function () {
+
+        var data = { functions: [], options: option }, fu, globals, implieds = [], f, i, j,
+            members = [], n, unused = [], v;
+        if (itself.errors.length) {
+            data.errors = itself.errors;
+        }
+
+        if (jsonmode) {
+            data.json = true;
+        }
+
+        for (n in implied) {
+            if (is_own(implied, n)) {
+                implieds.push({
+                    name: n,
+                    line: implied[n]
+                });
+            }
+        }
+        if (implieds.length > 0) {
+            data.implieds = implieds;
+        }
+
+        if (urls.length > 0) {
+            data.urls = urls;
+        }
+
+        globals = Object.keys(scope);
+        if (globals.length > 0) {
+            data.globals = globals;
+        }
+        for (i = 1; i < functions.length; i += 1) {
+            f = functions[i];
+            fu = {};
+            for (j = 0; j < functionicity.length; j += 1) {
+                fu[functionicity[j]] = [];
+            }
+            for (n in f) {
+                if (is_own(f, n) && n.charAt(0) !== '(') {
+                    v = f[n];
+                    if (v === 'unction') {
+                        v = 'unused';
+                    }
+                    if (Array.isArray(fu[v])) {
+                        fu[v].push(n);
+                        if (v === 'unused') {
+                            unused.push({
+                                name: n,
+                                line: f['(line)'],
+                                'function': f['(name)']
+                            });
+                        }
+                    }
+                }
+            }
+            for (j = 0; j < functionicity.length; j += 1) {
+                if (fu[functionicity[j]].length === 0) {
+                    delete fu[functionicity[j]];
+                }
+            }
+            fu.name = f['(name)'];
+            fu.param = f['(params)'];
+            fu.line = f['(line)'];
+            fu.last = f['(last)'];
+            data.functions.push(fu);
+        }
+
+        if (unused.length > 0) {
+            data.unused = unused;
+        }
+
+        members = [];
+        for (n in member) {
+            if (typeof member[n] === 'number') {
+                data.member = member;
+                break;
+            }
+        }
+
+        return data;
+    };
+
+    itself.report = function (option) {
+        var data = itself.data();
+
+        var a = [], c, e, err, f, i, k, l, m = '', n, o = [], s;
+
+        function detail(h, array) {
+            var b, i, singularity;
+            if (array) {
+                o.push('<div><i>' + h + '</i> ');
+                array = array.sort();
+                for (i = 0; i < array.length; i += 1) {
+                    if (array[i] !== singularity) {
+                        singularity = array[i];
+                        o.push((b ? ', ' : '') + singularity);
+                        b = true;
+                    }
+                }
+                o.push('</div>');
+            }
+        }
+
+
+        if (data.errors || data.implieds || data.unused) {
+            err = true;
+            o.push('<div id=errors><i>Error:</i>');
+            if (data.errors) {
+                for (i = 0; i < data.errors.length; i += 1) {
+                    c = data.errors[i];
+                    if (c) {
+                        e = c.evidence || '';
+                        o.push('<p>Problem' + (isFinite(c.line) ? ' at line ' +
+                                c.line + ' character ' + c.character : '') +
+                                ': ' + c.reason.entityify() +
+                                '</p><p class=evidence>' +
+                                (e && (e.length > 80 ? e.slice(0, 77) + '...' :
+                                e).entityify()) + '</p>');
+                    }
+                }
+            }
+
+            if (data.implieds) {
+                s = [];
+                for (i = 0; i < data.implieds.length; i += 1) {
+                    s[i] = '<code>' + data.implieds[i].name + '</code>&nbsp;<i>' +
+                        data.implieds[i].line + '</i>';
+                }
+                o.push('<p><i>Implied global:</i> ' + s.join(', ') + '</p>');
+            }
+
+            if (data.unused) {
+                s = [];
+                for (i = 0; i < data.unused.length; i += 1) {
+                    s[i] = '<code><u>' + data.unused[i].name + '</u></code>&nbsp;<i>' +
+                        data.unused[i].line + '</i> <code>' +
+                        data.unused[i]['function'] + '</code>';
+                }
+                o.push('<p><i>Unused variable:</i> ' + s.join(', ') + '</p>');
+            }
+            if (data.json) {
+                o.push('<p>JSON: bad.</p>');
+            }
+            o.push('</div>');
+        }
+
+        if (!option) {
+
+            o.push('<br><div id=functions>');
+
+            if (data.urls) {
+                detail("URLs<br>", data.urls, '<br>');
+            }
+
+            if (data.json && !err) {
+                o.push('<p>JSON: good.</p>');
+            } else if (data.globals) {
+                o.push('<div><i>Global</i> ' +
+                        data.globals.sort().join(', ') + '</div>');
+            } else {
+                o.push('<div><i>No new global variables introduced.</i></div>');
+            }
+
+            for (i = 0; i < data.functions.length; i += 1) {
+                f = data.functions[i];
+
+                o.push('<br><div class=function><i>' + f.line + '-' +
+                        f.last + '</i> ' + (f.name || '') + '(' +
+                        (f.param ? f.param.join(', ') : '') + ')</div>');
+                detail('<big><b>Unused</b></big>', f.unused);
+                detail('Closure', f.closure);
+                detail('Variable', f['var']);
+                detail('Exception', f.exception);
+                detail('Outer', f.outer);
+                detail('Global', f.global);
+                detail('Label', f.label);
+            }
+
+            if (data.member) {
+                a = Object.keys(data.member);
+                if (a.length) {
+                    a = a.sort();
+                    m = '<br><pre id=members>/*members ';
+                    l = 10;
+                    for (i = 0; i < a.length; i += 1) {
+                        k = a[i];
+                        n = k.name();
+                        if (l + n.length > 72) {
+                            o.push(m + '<br>');
+                            m = '    ';
+                            l = 1;
+                        }
+                        l += n.length + 2;
+                        if (data.member[k] === 1) {
+                            n = '<i>' + n + '</i>';
+                        }
+                        if (i < a.length - 1) {
+                            n += ', ';
+                        }
+                        m += n;
+                    }
+                    o.push(m + '<br>*/</pre>');
+                }
+                o.push('</div>');
+            }
+        }
+        return o.join('');
+    };
+
+    itself.jshint = itself;
+
+    return itself;
+}());
+
+// Make JSHINT a Node module, if possible.
+if (typeof exports === 'object' && exports)
+    exports.JSHINT = JSHINT;
+
+});
+
+/*
+ * Narcissus - JS implemented in JS.
+ *
+ * Parser.
+ */
+
+define('ace/narcissus/parser', ['require', 'exports', 'module' , 'ace/narcissus/lexer', 'ace/narcissus/definitions', 'ace/narcissus/options'], function(require, exports, module) {
+
+var lexer = require('./lexer');
+var definitions = require('./definitions');
+var options = require('./options');
+var Tokenizer = lexer.Tokenizer;
+
+var Dict = definitions.Dict;
+var Stack = definitions.Stack;
+
+// Set constants in the local scope.
+eval(definitions.consts);
+function pushDestructuringVarDecls(n, s) {
+    for (var i in n) {
+        var sub = n[i];
+        if (sub.type === IDENTIFIER) {
+            s.varDecls.push(sub);
+        } else {
+            pushDestructuringVarDecls(sub, s);
+        }
+    }
+}
+
+function Parser(tokenizer) {
+    tokenizer.parser = this;
+    this.t = tokenizer;
+    this.x = null;
+    this.unexpectedEOF = false;
+    options.mozillaMode && (this.mozillaMode = true);
+    options.parenFreeMode && (this.parenFreeMode = true);
+}
+
+function StaticContext(parentScript, parentBlock, inModule, inFunction, strictMode) {
+    this.parentScript = parentScript;
+    this.parentBlock = parentBlock || parentScript;
+    this.inModule = inModule || false;
+    this.inFunction = inFunction || false;
+    this.inForLoopInit = false;
+    this.topLevel = true;
+    this.allLabels = new Stack();
+    this.currentLabels = new Stack();
+    this.labeledTargets = new Stack();
+    this.defaultLoopTarget = null;
+    this.defaultTarget = null;
+    this.strictMode = strictMode;
+}
+
+StaticContext.prototype = {
+    // non-destructive update via prototype extension
+    update: function(ext) {
+        var desc = {};
+        for (var key in ext) {
+            desc[key] = {
+                value: ext[key],
+                writable: true,
+                enumerable: true,
+                configurable: true
+            }
+        }
+        return Object.create(this, desc);
+    },
+    pushLabel: function(label) {
+        return this.update({ currentLabels: this.currentLabels.push(label),
+                             allLabels: this.allLabels.push(label) });
+    },
+    pushTarget: function(target) {
+        var isDefaultLoopTarget = target.isLoop;
+        var isDefaultTarget = isDefaultLoopTarget || target.type === SWITCH;
+
+        if (this.currentLabels.isEmpty()) {
+            if (isDefaultLoopTarget) this.update({ defaultLoopTarget: target });
+            if (isDefaultTarget) this.update({ defaultTarget: target });
+            return this;
+        }
+
+        target.labels = new Dict();
+        this.currentLabels.forEach(function(label) {
+            target.labels.set(label, true);
+        });
+        return this.update({ currentLabels: new Stack(),
+                             labeledTargets: this.labeledTargets.push(target),
+                             defaultLoopTarget: isDefaultLoopTarget
+                             ? target
+                             : this.defaultLoopTarget,
+                             defaultTarget: isDefaultTarget
+                             ? target
+                             : this.defaultTarget });
+    },
+    nest: function() {
+        return this.topLevel ? this.update({ topLevel: false }) : this;
+    },
+    canImport: function() {
+        return this.topLevel && !this.inFunction;
+    },
+    canExport: function() {
+        return this.inModule && this.topLevel && !this.inFunction;
+    },
+    banWith: function() {
+        return this.strictMode || this.inModule;
+    },
+    modulesAllowed: function() {
+        return this.topLevel && !this.inFunction;
+    }
+};
+
+var Pp = Parser.prototype;
+
+Pp.mozillaMode = false;
+
+Pp.parenFreeMode = false;
+
+Pp.withContext = function(x, f) {
+    var x0 = this.x;
+    this.x = x;
+    var result = f.call(this);
+    // NB: we don't bother with finally, since exceptions trash the parser
+    this.x = x0;
+    return result;
+};
+
+Pp.newNode = function newNode(opts) {
+    return new Node(this.t, opts);
+};
+
+Pp.fail = function fail(msg) {
+    throw this.t.newSyntaxError(msg);
+};
+
+Pp.match = function match(tt, scanOperand, keywordIsName) {
+    return this.t.match(tt, scanOperand, keywordIsName);
+};
+
+Pp.mustMatch = function mustMatch(tt, keywordIsName) {
+    return this.t.mustMatch(tt, keywordIsName);
+};
+
+Pp.peek = function peek(scanOperand) {
+    return this.t.peek(scanOperand);
+};
+
+Pp.peekOnSameLine = function peekOnSameLine(scanOperand) {
+    return this.t.peekOnSameLine(scanOperand);
+};
+
+Pp.done = function done() {
+    return this.t.done;
+};
+Pp.Script = function Script(inModule, inFunction, expectEnd) {
+    var node = this.newNode(scriptInit());
+    var x2 = new StaticContext(node, node, inModule, inFunction);
+    this.withContext(x2, function() {
+        this.Statements(node, true);
+    });
+    if (expectEnd && !this.done())
+        this.fail("expected end of input");
+    return node;
+};
+function Pragma(n) {
+    if (n.type === SEMICOLON) {
+        var e = n.expression;
+        if (e.type === STRING && e.value === "use strict") {
+            n.pragma = "strict";
+            return true;
+        }
+    }
+    return false;
+}
+
+/*
+ * Node :: (tokenizer, optional init object) -> node
+ */
+function Node(t, init) {
+    var token = t.token;
+    if (token) {
+        // If init.type exists it will override token.type.
+        this.type = token.type;
+        this.value = token.value;
+        this.lineno = token.lineno;
+
+        // Start and end are file positions for error handling.
+        this.start = token.start;
+        this.end = token.end;
+    } else {
+        this.lineno = t.lineno;
+    }
+
+    this.filename = t.filename;
+    this.children = [];
+
+    for (var prop in init)
+        this[prop] = init[prop];
+}
+
+/*
+ * SyntheticNode :: (optional init object) -> node
+ */
+function SyntheticNode(init) {
+    this.children = [];
+    for (var prop in init)
+        this[prop] = init[prop];
+    this.synthetic = true;
+}
+
+var Np = Node.prototype = SyntheticNode.prototype = {};
+Np.constructor = Node;
+
+var TO_SOURCE_SKIP = {
+    type: true,
+    value: true,
+    lineno: true,
+    start: true,
+    end: true,
+    tokenizer: true,
+    assignOp: true
+};
+function unevalableConst(code) {
+    var token = definitions.tokens[code];
+    var constName = definitions.opTypeNames.hasOwnProperty(token)
+        ? definitions.opTypeNames[token]
+        : token in definitions.keywords
+        ? token.toUpperCase()
+        : token;
+    return { toSource: function() { return constName } };
+}
+Np.toSource = function toSource() {
+    var mock = {};
+    var self = this;
+    mock.type = unevalableConst(this.type);
+    // avoid infinite recursion in case of back-links
+    if (this.generatingSource)
+        return mock.toSource();
+    this.generatingSource = true;
+    if ("value" in this)
+        mock.value = this.value;
+    if ("lineno" in this)
+        mock.lineno = this.lineno;
+    if ("start" in this)
+        mock.start = this.start;
+    if ("end" in this)
+        mock.end = this.end;
+    if (this.assignOp)
+        mock.assignOp = unevalableConst(this.assignOp);
+    for (var key in this) {
+        if (this.hasOwnProperty(key) && !(key in TO_SOURCE_SKIP))
+            mock[key] = this[key];
+    }
+    try {
+        return mock.toSource();
+    } finally {
+        delete this.generatingSource;
+    }
+};
+
+// Always use push to add operands to an expression, to update start and end.
+Np.push = function (kid) {
+    // kid can be null e.g. [1, , 2].
+    if (kid !== null) {
+        if (kid.start < this.start)
+            this.start = kid.start;
+        if (this.end < kid.end)
+            this.end = kid.end;
+    }
+    return this.children.push(kid);
+}
+
+Node.indentLevel = 0;
+
+function tokenString(tt) {
+    var t = definitions.tokens[tt];
+    return /^\W/.test(t) ? definitions.opTypeNames[t] : t.toUpperCase();
+}
+
+Np.toString = function () {
+    var a = [];
+    for (var i in this) {
+        if (this.hasOwnProperty(i) && i !== 'type' && i !== 'target')
+            a.push({id: i, value: this[i]});
+    }
+    a.sort(function (a,b) { return (a.id < b.id) ? -1 : 1; });
+    var INDENTATION = "    ";
+    var n = ++Node.indentLevel;
+    var s = "{\n" + INDENTATION.repeat(n) + "type: " + tokenString(this.type);
+    for (i = 0; i < a.length; i++)
+        s += ",\n" + INDENTATION.repeat(n) + a[i].id + ": " + a[i].value;
+    n = --Node.indentLevel;
+    s += "\n" + INDENTATION.repeat(n) + "}";
+    return s;
+}
+
+Np.synth = function(init) {
+    var node = new SyntheticNode(init);
+    node.filename = this.filename;
+    node.lineno = this.lineno;
+    node.start = this.start;
+    node.end = this.end;
+    return node;
+};
+
+var LOOP_INIT = { isLoop: true };
+
+function blockInit() {
+    return { type: BLOCK, varDecls: [] };
+}
+
+function scriptInit() {
+    return { type: SCRIPT,
+             funDecls: [],
+             varDecls: [],
+             modDefns: new Dict(),
+             modAssns: new Dict(),
+             modDecls: new Dict(),
+             modLoads: new Dict(),
+             impDecls: [],
+             expDecls: [],
+             exports: new Dict(),
+             hasEmptyReturn: false,
+             hasReturnWithValue: false,
+             hasYield: false };
+}
+
+definitions.defineGetter(Np, "length",
+                         function() {
+                             throw new Error("Node.prototype.length is gone; " +
+                                             "use n.children.length instead");
+                         });
+
+definitions.defineProperty(String.prototype, "repeat",
+                           function(n) {
+                               var s = "", t = this + s;
+                               while (--n >= 0)
+                                   s += t;
+                               return s;
+                           }, false, false, true);
+
+Pp.MaybeLeftParen = function MaybeLeftParen() {
+    if (this.parenFreeMode)
+        return this.match(LEFT_PAREN) ? LEFT_PAREN : END;
+    return this.mustMatch(LEFT_PAREN).type;
+};
+
+Pp.MaybeRightParen = function MaybeRightParen(p) {
+    if (p === LEFT_PAREN)
+        this.mustMatch(RIGHT_PAREN);
+}
+
+/*
+ * Statements :: (node[, boolean]) -> void
+ *
+ * Parses a sequence of Statements.
+ */
+Pp.Statements = function Statements(n, topLevel) {
+    var prologue = !!topLevel;
+    try {
+        while (!this.done() && this.peek(true) !== RIGHT_CURLY) {
+            var n2 = this.Statement();
+            n.push(n2);
+            if (prologue && Pragma(n2)) {
+                this.x.strictMode = true;
+                n.strict = true;
+            } else {
+                prologue = false;
+            }
+        }
+    } catch (e) {
+        try {
+            if (this.done())
+                this.unexpectedEOF = true;
+        } catch(e) {}
+        throw e;
+    }
+}
+
+Pp.Block = function Block() {
+    this.mustMatch(LEFT_CURLY);
+    var n = this.newNode(blockInit());
+    var x2 = this.x.update({ parentBlock: n }).pushTarget(n);
+    this.withContext(x2, function() {
+        this.Statements(n);
+    });
+    this.mustMatch(RIGHT_CURLY);
+    return n;
+}
+
+var DECLARED_FORM = 0, EXPRESSED_FORM = 1, STATEMENT_FORM = 2;
+function Export(node, isDefinition) {
+    this.node = node;                 // the AST node declaring this individual export
+    this.isDefinition = isDefinition; // is the node an 'export'-annotated definition?
+    this.resolved = null;             // resolved pointer to the target of this export
+}
+
+/*
+ * registerExport :: (Dict, EXPORT node) -> void
+ */
+function registerExport(exports, decl) {
+    function register(name, exp) {
+        if (exports.has(name))
+            throw new SyntaxError("multiple exports of " + name);
+        exports.set(name, exp);
+    }
+
+    switch (decl.type) {
+      case MODULE:
+      case FUNCTION:
+        register(decl.name, new Export(decl, true));
+        break;
+
+      case VAR:
+        for (var i = 0; i < decl.children.length; i++)
+            register(decl.children[i].name, new Export(decl.children[i], true));
+        break;
+
+      case LET:
+      case CONST:
+        throw new Error("NYI: " + definitions.tokens[decl.type]);
+
+      case EXPORT:
+        for (var i = 0; i < decl.pathList.length; i++) {
+            var path = decl.pathList[i];
+            switch (path.type) {
+              case OBJECT_INIT:
+                for (var j = 0; j < path.children.length; j++) {
+                    // init :: IDENTIFIER | PROPERTY_INIT
+                    var init = path.children[j];
+                    if (init.type === IDENTIFIER)
+                        register(init.value, new Export(init, false));
+                    else
+                        register(init.children[0].value, new Export(init.children[1], false));
+                }
+                break;
+
+              case DOT:
+                register(path.children[1].value, new Export(path, false));
+                break;
+
+              case IDENTIFIER:
+                register(path.value, new Export(path, false));
+                break;
+
+              default:
+                throw new Error("unexpected export path: " + definitions.tokens[path.type]);
+            }
+        }
+        break;
+
+      default:
+        throw new Error("unexpected export decl: " + definitions.tokens[exp.type]);
+    }
+}
+
+/*
+ * Module :: (node) -> Module
+ *
+ * Static semantic representation of a module.
+ */
+function Module(node) {
+    var exports = node.body.exports;
+    var modDefns = node.body.modDefns;
+
+    var exportedModules = new Dict();
+
+    exports.forEach(function(name, exp) {
+        var node = exp.node;
+        if (node.type === MODULE) {
+            exportedModules.set(name, node);
+        } else if (!exp.isDefinition && node.type === IDENTIFIER && modDefns.has(node.value)) {
+            var mod = modDefns.get(node.value);
+            exportedModules.set(name, mod);
+        }
+    });
+
+    this.node = node;
+    this.exports = exports;
+    this.exportedModules = exportedModules;
+}
+
+/*
+ * Statement :: () -> node
+ *
+ * Parses a Statement.
+ */
+Pp.Statement = function Statement() {
+    var i, label, n, n2, p, c, ss, tt = this.t.get(true), tt2, x0, x2, x3;
+
+    var comments = this.t.blockComments;
+
+    // Cases for statements ending in a right curly return early, avoiding the
+    // common semicolon insertion magic after this switch.
+    switch (tt) {
+      case IMPORT:
+        if (!this.x.canImport())
+            this.fail("illegal context for import statement");
+        n = this.newNode();
+        n.pathList = this.ImportPathList();
+        this.x.parentScript.impDecls.push(n);
+        break;
+
+      case EXPORT:
+        if (!this.x.canExport())
+            this.fail("export statement not in module top level");
+        switch (this.peek()) {
+          case MODULE:
+          case FUNCTION:
+          case LET:
+          case VAR:
+          case CONST:
+            n = this.Statement();
+            n.blockComments = comments;
+            n.exported = true;
+            this.x.parentScript.expDecls.push(n);
+            registerExport(this.x.parentScript.exports, n);
+            return n;
+        }
+        n = this.newNode();
+        n.pathList = this.ExportPathList();
+        this.x.parentScript.expDecls.push(n);
+        registerExport(this.x.parentScript.exports, n);
+        break;
+
+      case FUNCTION:
+        // DECLARED_FORM extends funDecls of x, STATEMENT_FORM doesn't.
+        return this.FunctionDefinition(true, this.x.topLevel ? DECLARED_FORM : STATEMENT_FORM, comments);
+
+      case LEFT_CURLY:
+        n = this.newNode(blockInit());
+        x2 = this.x.update({ parentBlock: n }).pushTarget(n).nest();
+        this.withContext(x2, function() {
+            this.Statements(n);
+        });
+        this.mustMatch(RIGHT_CURLY);
+        return n;
+
+      case IF:
+        n = this.newNode();
+        n.condition = this.HeadExpression();
+        x2 = this.x.pushTarget(n).nest();
+        this.withContext(x2, function() {
+            n.thenPart = this.Statement();
+            n.elsePart = this.match(ELSE, true) ? this.Statement() : null;
+        });
+        return n;
+
+      case SWITCH:
+        // This allows CASEs after a DEFAULT, which is in the standard.
+        n = this.newNode({ cases: [], defaultIndex: -1 });
+        n.discriminant = this.HeadExpression();
+        x2 = this.x.pushTarget(n).nest();
+        this.withContext(x2, function() {
+            this.mustMatch(LEFT_CURLY);
+            while ((tt = this.t.get()) !== RIGHT_CURLY) {
+                switch (tt) {
+                  case DEFAULT:
+                    if (n.defaultIndex >= 0)
+                        this.fail("More than one switch default");
+                    // FALL THROUGH
+                  case CASE:
+                    n2 = this.newNode();
+                    if (tt === DEFAULT)
+                        n.defaultIndex = n.cases.length;
+                    else
+                        n2.caseLabel = this.Expression(COLON);
+                    break;
+
+                  default:
+                    this.fail("Invalid switch case");
+                }
+                this.mustMatch(COLON);
+                n2.statements = this.newNode(blockInit());
+                while ((tt=this.peek(true)) !== CASE && tt !== DEFAULT &&
+                       tt !== RIGHT_CURLY)
+                    n2.statements.push(this.Statement());
+                n.cases.push(n2);
+            }
+        });
+        return n;
+
+      case FOR:
+        n = this.newNode(LOOP_INIT);
+        n.blockComments = comments;
+        if (this.match(IDENTIFIER)) {
+            if (this.t.token.value === "each")
+                n.isEach = true;
+            else
+                this.t.unget();
+        }
+        if (!this.parenFreeMode)
+            this.mustMatch(LEFT_PAREN);
+        x2 = this.x.pushTarget(n).nest();
+        x3 = this.x.update({ inForLoopInit: true });
+        n2 = null;
+        if ((tt = this.peek(true)) !== SEMICOLON) {
+            this.withContext(x3, function() {
+                if (tt === VAR || tt === CONST) {
+                    this.t.get();
+                    n2 = this.Variables();
+                } else if (tt === LET) {
+                    this.t.get();
+                    if (this.peek() === LEFT_PAREN) {
+                        n2 = this.LetBlock(false);
+                    } else {
+                        // Let in for head, we need to add an implicit block
+                        // around the rest of the for.
+                        this.x.parentBlock = n;
+                        n.varDecls = [];
+                        n2 = this.Variables();
+                    }
+                } else {
+                    n2 = this.Expression();
+                }
+            });
+        }
+        if (n2 && this.match(IN)) {
+            n.type = FOR_IN;
+            this.withContext(x3, function() {
+                n.object = this.Expression();
+                if (n2.type === VAR || n2.type === LET) {
+                    c = n2.children;
+
+                    // Destructuring turns one decl into multiples, so either
+                    // there must be only one destructuring or only one
+                    // decl.
+                    if (c.length !== 1 && n2.destructurings.length !== 1) {
+                        // FIXME: this.fail ?
+                        throw new SyntaxError("Invalid for..in left-hand side",
+                                              this.filename, n2.lineno);
+                    }
+                    if (n2.destructurings.length > 0) {
+                        n.iterator = n2.destructurings[0];
+                    } else {
+                        n.iterator = c[0];
+                    }
+                    n.varDecl = n2;
+                } else {
+                    if (n2.type === ARRAY_INIT || n2.type === OBJECT_INIT) {
+                        n2.destructuredNames = this.checkDestructuring(n2);
+                    }
+                    n.iterator = n2;
+                }
+            });
+        } else {
+            x3.inForLoopInit = false;
+            n.setup = n2;
+            this.mustMatch(SEMICOLON);
+            if (n.isEach)
+                this.fail("Invalid for each..in loop");
+            this.withContext(x3, function() {
+                n.condition = (this.peek(true) === SEMICOLON)
+                    ? null
+                    : this.Expression();
+                this.mustMatch(SEMICOLON);
+                tt2 = this.peek(true);
+                n.update = (this.parenFreeMode
+                            ? tt2 === LEFT_CURLY || definitions.isStatementStartCode[tt2]
+                            : tt2 === RIGHT_PAREN)
+                    ? null
+                    : this.Expression();
+            });
+        }
+        if (!this.parenFreeMode)
+            this.mustMatch(RIGHT_PAREN);
+        this.withContext(x2, function() {
+            n.body = this.Statement();
+        });
+        return n;
+
+      case WHILE:
+        n = this.newNode({ isLoop: true });
+        n.blockComments = comments;
+        n.condition = this.HeadExpression();
+        x2 = this.x.pushTarget(n).nest();
+        this.withContext(x2, function() {
+            n.body = this.Statement();
+        });
+        return n;
+
+      case DO:
+        n = this.newNode({ isLoop: true });
+        n.blockComments = comments;
+        x2 = this.x.pushTarget(n).next();
+        this.withContext(x2, function() {
+            n.body = this.Statement();
+        });
+        this.mustMatch(WHILE);
+        n.condition = this.HeadExpression();
+        // <script language="JavaScript"> (without version hints) may need
+        // automatic semicolon insertion without a newline after do-while.
+        // See http://bugzilla.mozilla.org/show_bug.cgi?id=238945.
+        this.match(SEMICOLON);
+        return n;
+
+      case BREAK:
+      case CONTINUE:
+        n = this.newNode();
+        n.blockComments = comments;
+
+        // handle the |foo: break foo;| corner case
+        x2 = this.x.pushTarget(n);
+
+        if (this.peekOnSameLine() === IDENTIFIER) {
+            this.t.get();
+            n.label = this.t.token.value;
+        }
+
+        if (n.label) {
+            n.target = x2.labeledTargets.find(function(target) {
+                return target.labels.has(n.label)
+            });
+        } else if (tt === CONTINUE) {
+            n.target = x2.defaultLoopTarget;
+        } else {
+            n.target = x2.defaultTarget;
+        }
+
+        if (!n.target)
+            this.fail("Invalid " + ((tt === BREAK) ? "break" : "continue"));
+        if (!n.target.isLoop && tt === CONTINUE)
+            this.fail("Invalid continue");
+
+        break;
+
+      case TRY:
+        n = this.newNode({ catchClauses: [] });
+        n.blockComments = comments;
+        n.tryBlock = this.Block();
+        while (this.match(CATCH)) {
+            n2 = this.newNode();
+            p = this.MaybeLeftParen();
+            switch (this.t.get()) {
+              case LEFT_BRACKET:
+              case LEFT_CURLY:
+                // Destructured catch identifiers.
+                this.t.unget();
+                n2.varName = this.DestructuringExpression(true);
+                break;
+              case IDENTIFIER:
+                n2.varName = this.t.token.value;
+                break;
+              default:
+                this.fail("missing identifier in catch");
+                break;
+            }
+            if (this.match(IF)) {
+                if (!this.mozillaMode)
+                    this.fail("Illegal catch guard");
+                if (n.catchClauses.length && !n.catchClauses.top().guard)
+                    this.fail("Guarded catch after unguarded");
+                n2.guard = this.Expression();
+            }
+            this.MaybeRightParen(p);
+            n2.block = this.Block();
+            n.catchClauses.push(n2);
+        }
+        if (this.match(FINALLY))
+            n.finallyBlock = this.Block();
+        if (!n.catchClauses.length && !n.finallyBlock)
+            this.fail("Invalid try statement");
+        return n;
+
+      case CATCH:
+      case FINALLY:
+        this.fail(definitions.tokens[tt] + " without preceding try");
+
+      case THROW:
+        n = this.newNode();
+        n.exception = this.Expression();
+        break;
+
+      case RETURN:
+        n = this.ReturnOrYield();
+        break;
+
+      case WITH:
+        if (this.x.banWith())
+            this.fail("with statements not allowed in strict code or modules");
+        n = this.newNode();
+        n.blockComments = comments;
+        n.object = this.HeadExpression();
+        x2 = this.x.pushTarget(n).next();
+        this.withContext(x2, function() {
+            n.body = this.Statement();
+        });
+        return n;
+
+      case VAR:
+      case CONST:
+        n = this.Variables();
+        break;
+
+      case LET:
+        if (this.peek() === LEFT_PAREN) {
+            n = this.LetBlock(true);
+            return n;
+        }
+        n = this.Variables();
+        break;
+
+      case DEBUGGER:
+        n = this.newNode();
+        break;
+
+      case NEWLINE:
+      case SEMICOLON:
+        n = this.newNode({ type: SEMICOLON });
+        n.blockComments = comments;
+        n.expression = null;
+        return n;
+
+      case IDENTIFIER:
+      case USE:
+      case MODULE:
+        switch (this.t.token.value) {
+          case "use":
+            if (!isPragmaToken(this.peekOnSameLine())) {
+                this.t.unget();
+                break;
+            }
+            return this.newNode({ type: USE, params: this.Pragmas() });
+
+          case "module":
+            if (!this.x.modulesAllowed())
+                this.fail("module declaration not at top level");
+            this.x.parentScript.hasModules = true;
+            tt = this.peekOnSameLine();
+            if (tt !== IDENTIFIER && tt !== LEFT_CURLY) {
+                this.t.unget();
+                break;
+            }
+            n = this.newNode({ type: MODULE });
+            n.blockComments = comments;
+            this.mustMatch(IDENTIFIER);
+            label = this.t.token.value;
+
+            if (this.match(LEFT_CURLY)) {
+                n.name = label;
+                n.body = this.Script(true, false);
+                n.module = new Module(n);
+                this.mustMatch(RIGHT_CURLY);
+                this.x.parentScript.modDefns.set(n.name, n);
+                return n;
+            }
+
+            this.t.unget();
+            this.ModuleVariables(n);
+            return n;
+
+          default:
+            tt = this.peek();
+            // Labeled statement.
+            if (tt === COLON) {
+                label = this.t.token.value;
+                if (this.x.allLabels.has(label))
+                    this.fail("Duplicate label: " + label);
+                this.t.get();
+                n = this.newNode({ type: LABEL, label: label });
+                n.blockComments = comments;
+                x2 = this.x.pushLabel(label).nest();
+                this.withContext(x2, function() {
+                    n.statement = this.Statement();
+                });
+                n.target = (n.statement.type === LABEL) ? n.statement.target : n.statement;
+                return n;
+            }
+            // FALL THROUGH
+        }
+        // FALL THROUGH
+
+      default:
+        // Expression statement.
+        // We unget the current token to parse the expression as a whole.
+        n = this.newNode({ type: SEMICOLON });
+        this.t.unget();
+        n.blockComments = comments;
+        n.expression = this.Expression();
+        n.end = n.expression.end;
+        break;
+    }
+
+    n.blockComments = comments;
+    this.MagicalSemicolon();
+    return n;
+}
+
+/*
+ * isPragmaToken :: (number) -> boolean
+ */
+function isPragmaToken(tt) {
+    switch (tt) {
+      case IDENTIFIER:
+      case STRING:
+      case NUMBER:
+      case NULL:
+      case TRUE:
+      case FALSE:
+        return true;
+    }
+    return false;
+}
+
+/*
+ * Pragmas :: () -> Array[Array[token]]
+ */
+Pp.Pragmas = function Pragmas() {
+    var pragmas = [];
+    do {
+        pragmas.push(this.Pragma());
+    } while (this.match(COMMA));
+    this.MagicalSemicolon();
+    return pragmas;
+}
+
+/*
+ * Pragmas :: () -> Array[token]
+ */
+Pp.Pragma = function Pragma() {
+    var items = [];
+    var tt;
+    do {
+        tt = this.t.get(true);
+        items.push(this.t.token);
+    } while (isPragmaToken(this.peek()));
+    return items;
+}
+
+/*
+ * MagicalSemicolon :: () -> void
+ */
+Pp.MagicalSemicolon = function MagicalSemicolon() {
+    var tt;
+    if (this.t.lineno === this.t.token.lineno) {
+        tt = this.peekOnSameLine();
+        if (tt !== END && tt !== NEWLINE && tt !== SEMICOLON && tt !== RIGHT_CURLY)
+            this.fail("missing ; before statement");
+    }
+    this.match(SEMICOLON);
+}
+
+/*
+ * ReturnOrYield :: () -> (RETURN | YIELD) node
+ */
+Pp.ReturnOrYield = function ReturnOrYield() {
+    var n, b, tt = this.t.token.type, tt2;
+
+    var parentScript = this.x.parentScript;
+
+    if (tt === RETURN) {
+        if (!this.x.inFunction)
+            this.fail("Return not in function");
+    } else /* if (tt === YIELD) */ {
+        if (!this.x.inFunction)
+            this.fail("Yield not in function");
+        parentScript.hasYield = true;
+    }
+    n = this.newNode({ value: undefined });
+
+    tt2 = (tt === RETURN) ? this.peekOnSameLine(true) : this.peek(true);
+    if (tt2 !== END && tt2 !== NEWLINE &&
+        tt2 !== SEMICOLON && tt2 !== RIGHT_CURLY
+        && (tt !== YIELD ||
+            (tt2 !== tt && tt2 !== RIGHT_BRACKET && tt2 !== RIGHT_PAREN &&
+             tt2 !== COLON && tt2 !== COMMA))) {
+        if (tt === RETURN) {
+            n.value = this.Expression();
+            parentScript.hasReturnWithValue = true;
+        } else {
+            n.value = this.AssignExpression();
+        }
+    } else if (tt === RETURN) {
+        parentScript.hasEmptyReturn = true;
+    }
+
+    return n;
+}
+
+/*
+ * ModuleExpression :: () -> (STRING | IDENTIFIER | DOT) node
+ */
+Pp.ModuleExpression = function ModuleExpression() {
+    return this.match(STRING) ? this.newNode() : this.QualifiedPath();
+}
+
+/*
+ * ImportPathList :: () -> Array[DOT node]
+ */
+Pp.ImportPathList = function ImportPathList() {
+    var a = [];
+    do {
+        a.push(this.ImportPath());
+    } while (this.match(COMMA));
+    return a;
+}
+
+/*
+ * ImportPath :: () -> DOT node
+ */
+Pp.ImportPath = function ImportPath() {
+    var n = this.QualifiedPath();
+    if (!this.match(DOT)) {
+        if (n.type === IDENTIFIER)
+            this.fail("cannot import local variable");
+        return n;
+    }
+
+    var n2 = this.newNode();
+    n2.push(n);
+    n2.push(this.ImportSpecifierSet());
+    return n2;
+}
+
+/*
+ * ExplicitSpecifierSet :: (() -> node) -> OBJECT_INIT node
+ */
+Pp.ExplicitSpecifierSet = function ExplicitSpecifierSet(SpecifierRHS) {
+    var n, n2, id, tt;
+
+    n = this.newNode({ type: OBJECT_INIT });
+    this.mustMatch(LEFT_CURLY);
+
+    if (!this.match(RIGHT_CURLY)) {
+        do {
+            id = this.Identifier();
+            if (this.match(COLON)) {
+                n2 = this.newNode({ type: PROPERTY_INIT });
+                n2.push(id);
+                n2.push(SpecifierRHS());
+                n.push(n2);
+            } else {
+                n.push(id);
+            }
+        } while (!this.match(RIGHT_CURLY) && this.mustMatch(COMMA));
+    }
+
+    return n;
+}
+
+/*
+ * ImportSpecifierSet :: () -> (IDENTIFIER | OBJECT_INIT) node
+ */
+Pp.ImportSpecifierSet = function ImportSpecifierSet() {
+    var self = this;
+    return this.match(MUL)
+        ? this.newNode({ type: IDENTIFIER, name: "*" })
+    : ExplicitSpecifierSet(function() { return self.Identifier() });
+}
+
+/*
+ * Identifier :: () -> IDENTIFIER node
+ */
+Pp.Identifier = function Identifier() {
+    this.mustMatch(IDENTIFIER);
+    return this.newNode({ type: IDENTIFIER });
+}
+
+/*
+ * IdentifierName :: () -> IDENTIFIER node
+ */
+Pp.IdentifierName = function IdentifierName() {
+    this.mustMatch(IDENTIFIER, true);
+    return this.newNode({ type: IDENTIFIER });
+}
+
+/*
+ * QualifiedPath :: () -> (IDENTIFIER | DOT) node
+ */
+Pp.QualifiedPath = function QualifiedPath() {
+    var n, n2;
+
+    n = this.Identifier();
+
+    while (this.match(DOT)) {
+        if (this.peek() !== IDENTIFIER) {
+            // Unget the '.' token, which isn't part of the QualifiedPath.
+            this.t.unget();
+            break;
+        }
+        n2 = this.newNode();
+        n2.push(n);
+        n2.push(this.Identifier());
+        n = n2;
+    }
+
+    return n;
+}
+
+/*
+ * ExportPath :: () -> (IDENTIFIER | DOT | OBJECT_INIT) node
+ */
+Pp.ExportPath = function ExportPath() {
+    var self = this;
+    if (this.peek() === LEFT_CURLY)
+        return this.ExplicitSpecifierSet(function() { return self.QualifiedPath() });
+    return this.QualifiedPath();
+}
+
+/*
+ * ExportPathList :: () -> Array[(IDENTIFIER | DOT | OBJECT_INIT) node]
+ */
+Pp.ExportPathList = function ExportPathList() {
+    var a = [];
+    do {
+        a.push(this.ExportPath());
+    } while (this.match(COMMA));
+    return a;
+}
+
+/*
+ * FunctionDefinition :: (boolean,
+ *                        DECLARED_FORM or EXPRESSED_FORM or STATEMENT_FORM,
+ *                        [string] or null or undefined)
+ *                    -> node
+ */
+Pp.FunctionDefinition = function FunctionDefinition(requireName, functionForm, comments) {
+    var tt;
+    var f = this.newNode({ params: [], paramComments: [] });
+    if (typeof comments === "undefined")
+        comments = null;
+    f.blockComments = comments;
+    if (f.type !== FUNCTION)
+        f.type = (f.value === "get") ? GETTER : SETTER;
+    if (this.match(MUL))
+        f.isExplicitGenerator = true;
+    if (this.match(IDENTIFIER, false, true))
+        f.name = this.t.token.value;
+    else if (requireName)
+        this.fail("missing function identifier");
+
+    var inModule = this.x.inModule;
+    x2 = new StaticContext(null, null, inModule, true, this.x.strictMode);
+    this.withContext(x2, function() {
+        this.mustMatch(LEFT_PAREN);
+        if (!this.match(RIGHT_PAREN)) {
+            do {
+                tt = this.t.get();
+                f.paramComments.push(this.t.lastBlockComment());
+                switch (tt) {
+                  case LEFT_BRACKET:
+                  case LEFT_CURLY:
+                    // Destructured formal parameters.
+                    this.t.unget();
+                    f.params.push(this.DestructuringExpression());
+                    break;
+                  case IDENTIFIER:
+                    f.params.push(this.t.token.value);
+                    break;
+                  default:
+                    this.fail("missing formal parameter");
+                }
+            } while (this.match(COMMA));
+            this.mustMatch(RIGHT_PAREN);
+        }
+
+        // Do we have an expression closure or a normal body?
+        tt = this.t.get(true);
+        if (tt !== LEFT_CURLY)
+            this.t.unget();
+
+        if (tt !== LEFT_CURLY) {
+            f.body = this.AssignExpression();
+        } else {
+            f.body = this.Script(inModule, true);
+        }
+    });
+
+    if (tt === LEFT_CURLY)
+        this.mustMatch(RIGHT_CURLY);
+
+    f.end = this.t.token.end;
+    f.functionForm = functionForm;
+    if (functionForm === DECLARED_FORM)
+        this.x.parentScript.funDecls.push(f);
+
+    if (this.x.inModule && !f.isExplicitGenerator && f.body.hasYield)
+        this.fail("yield in non-generator function");
+
+    if (f.isExplicitGenerator || f.body.hasYield)
+        f.body = this.newNode({ type: GENERATOR, body: f.body });
+
+    return f;
+}
+
+/*
+ * ModuleVariables :: (MODULE node) -> void
+ *
+ * Parses a comma-separated list of module declarations (and maybe
+ * initializations).
+ */
+Pp.ModuleVariables = function ModuleVariables(n) {
+    var n1, n2;
+    do {
+        n1 = this.Identifier();
+        if (this.match(ASSIGN)) {
+            n2 = this.ModuleExpression();
+            n1.initializer = n2;
+            if (n2.type === STRING)
+                this.x.parentScript.modLoads.set(n1.value, n2.value);
+            else
+                this.x.parentScript.modAssns.set(n1.value, n1);
+        }
+        n.push(n1);
+    } while (this.match(COMMA));
+}
+
+/*
+ * Variables :: () -> node
+ *
+ * Parses a comma-separated list of var declarations (and maybe
+ * initializations).
+ */
+Pp.Variables = function Variables(letBlock) {
+    var n, n2, ss, i, s, tt;
+
+    tt = this.t.token.type;
+    switch (tt) {
+      case VAR:
+      case CONST:
+        s = this.x.parentScript;
+        break;
+      case LET:
+        s = this.x.parentBlock;
+        break;
+      case LEFT_PAREN:
+        tt = LET;
+        s = letBlock;
+        break;
+    }
+
+    n = this.newNode({ type: tt, destructurings: [] });
+
+    do {
+        tt = this.t.get();
+        if (tt === LEFT_BRACKET || tt === LEFT_CURLY) {
+            // Need to unget to parse the full destructured expression.
+            this.t.unget();
+
+            var dexp = this.DestructuringExpression(true);
+
+            n2 = this.newNode({ type: IDENTIFIER,
+                                name: dexp,
+                                readOnly: n.type === CONST });
+            n.push(n2);
+            pushDestructuringVarDecls(n2.name.destructuredNames, s);
+            n.destructurings.push({ exp: dexp, decl: n2 });
+
+            if (this.x.inForLoopInit && this.peek() === IN) {
+                continue;
+            }
+
+            this.mustMatch(ASSIGN);
+            if (this.t.token.assignOp)
+                this.fail("Invalid variable initialization");
+
+            n2.blockComment = this.t.lastBlockComment();
+            n2.initializer = this.AssignExpression();
+
+            continue;
+        }
+
+        if (tt !== IDENTIFIER)
+            this.fail("missing variable name");
+
+        n2 = this.newNode({ type: IDENTIFIER,
+                            name: this.t.token.value,
+                            readOnly: n.type === CONST });
+        n.push(n2);
+        s.varDecls.push(n2);
+
+        if (this.match(ASSIGN)) {
+            var comment = this.t.lastBlockComment();
+            if (this.t.token.assignOp)
+                this.fail("Invalid variable initialization");
+
+            n2.initializer = this.AssignExpression();
+        } else {
+            var comment = this.t.lastBlockComment();
+        }
+        n2.blockComment = comment;
+    } while (this.match(COMMA));
+
+    return n;
+}
+
+/*
+ * LetBlock :: (boolean) -> node
+ *
+ * Does not handle let inside of for loop init.
+ */
+Pp.LetBlock = function LetBlock(isStatement) {
+    var n, n2;
+
+    // t.token.type must be LET
+    n = this.newNode({ type: LET_BLOCK, varDecls: [] });
+    this.mustMatch(LEFT_PAREN);
+    n.variables = this.Variables(n);
+    this.mustMatch(RIGHT_PAREN);
+
+    if (isStatement && this.peek() !== LEFT_CURLY) {
+        /*
+         * If this is really an expression in let statement guise, then we
+         * need to wrap the LET_BLOCK node in a SEMICOLON node so that we pop
+         * the return value of the expression.
+         */
+        n2 = this.newNode({ type: SEMICOLON, expression: n });
+        isStatement = false;
+    }
+
+    if (isStatement)
+        n.block = this.Block();
+    else
+        n.expression = this.AssignExpression();
+
+    return n;
+}
+
+Pp.checkDestructuring = function checkDestructuring(n, simpleNamesOnly) {
+    if (n.type === ARRAY_COMP)
+        this.fail("Invalid array comprehension left-hand side");
+    if (n.type !== ARRAY_INIT && n.type !== OBJECT_INIT)
+        return;
+
+    var lhss = {};
+    var nn, n2, idx, sub, cc, c = n.children;
+    for (var i = 0, j = c.length; i < j; i++) {
+        if (!(nn = c[i]))
+            continue;
+        if (nn.type === PROPERTY_INIT) {
+            cc = nn.children;
+            sub = cc[1];
+            idx = cc[0].value;
+        } else if (n.type === OBJECT_INIT) {
+            // Do we have destructuring shorthand {foo, bar}?
+            sub = nn;
+            idx = nn.value;
+        } else {
+            sub = nn;
+            idx = i;
+        }
+
+        if (sub.type === ARRAY_INIT || sub.type === OBJECT_INIT) {
+            lhss[idx] = this.checkDestructuring(sub, simpleNamesOnly);
+        } else {
+            if (simpleNamesOnly && sub.type !== IDENTIFIER) {
+                // In declarations, lhs must be simple names
+                this.fail("missing name in pattern");
+            }
+
+            lhss[idx] = sub;
+        }
+    }
+
+    return lhss;
+}
+
+Pp.DestructuringExpression = function DestructuringExpression(simpleNamesOnly) {
+    var n = this.PrimaryExpression();
+    // Keep the list of lefthand sides for varDecls
+    n.destructuredNames = this.checkDestructuring(n, simpleNamesOnly);
+    return n;
+}
+
+Pp.GeneratorExpression = function GeneratorExpression(e) {
+    return this.newNode({ type: GENERATOR,
+                          expression: e,
+                          tail: this.ComprehensionTail() });
+}
+
+Pp.ComprehensionTail = function ComprehensionTail() {
+    var body, n, n2, n3, p;
+
+    // t.token.type must be FOR
+    body = this.newNode({ type: COMP_TAIL });
+
+    do {
+        // Comprehension tails are always for..in loops.
+        n = this.newNode({ type: FOR_IN, isLoop: true });
+        if (this.match(IDENTIFIER)) {
+            // But sometimes they're for each..in.
+            if (this.mozillaMode && this.t.token.value === "each")
+                n.isEach = true;
+            else
+                this.t.unget();
+        }
+        p = this.MaybeLeftParen();
+        switch(this.t.get()) {
+          case LEFT_BRACKET:
+          case LEFT_CURLY:
+            this.t.unget();
+            // Destructured left side of for in comprehension tails.
+            n.iterator = this.DestructuringExpression();
+            break;
+
+          case IDENTIFIER:
+            n.iterator = n3 = this.newNode({ type: IDENTIFIER });
+            n3.name = n3.value;
+            n.varDecl = n2 = this.newNode({ type: VAR });
+            n2.push(n3);
+            this.x.parentScript.varDecls.push(n3);
+            // Don't add to varDecls since the semantics of comprehensions is
+            // such that the variables are in their own function when
+            // desugared.
+            break;
+
+          default:
+            this.fail("missing identifier");
+        }
+        this.mustMatch(IN);
+        n.object = this.Expression();
+        this.MaybeRightParen(p);
+        body.push(n);
+    } while (this.match(FOR));
+
+    // Optional guard.
+    if (this.match(IF))
+        body.guard = this.HeadExpression();
+
+    return body;
+}
+
+Pp.HeadExpression = function HeadExpression() {
+    var p = this.MaybeLeftParen();
+    var n = this.ParenExpression();
+    this.MaybeRightParen(p);
+    if (p === END && !n.parenthesized) {
+        var tt = this.peek();
+        if (tt !== LEFT_CURLY && !definitions.isStatementStartCode[tt])
+            this.fail("Unparenthesized head followed by unbraced body");
+    }
+    return n;
+}
+
+Pp.ParenExpression = function ParenExpression() {
+    // Always accept the 'in' operator in a parenthesized expression,
+    // where it's unambiguous, even if we might be parsing the init of a
+    // for statement.
+    var x2 = this.x.update({
+        inForLoopInit: this.x.inForLoopInit && (this.t.token.type === LEFT_PAREN)
+    });
+    var n = this.withContext(x2, function() {
+        return this.Expression();
+    });
+    if (this.match(FOR)) {
+        if (n.type === YIELD && !n.parenthesized)
+            this.fail("Yield expression must be parenthesized");
+        if (n.type === COMMA && !n.parenthesized)
+            this.fail("Generator expression must be parenthesized");
+        n = this.GeneratorExpression(n);
+    }
+
+    return n;
+}
+
+/*
+ * Expression :: () -> node
+ *
+ * Top-down expression parser matched against SpiderMonkey.
+ */
+Pp.Expression = function Expression() {
+    var n, n2;
+
+    n = this.AssignExpression();
+    if (this.match(COMMA)) {
+        n2 = this.newNode({ type: COMMA });
+        n2.push(n);
+        n = n2;
+        do {
+            n2 = n.children[n.children.length-1];
+            if (n2.type === YIELD && !n2.parenthesized)
+                this.fail("Yield expression must be parenthesized");
+            n.push(this.AssignExpression());
+        } while (this.match(COMMA));
+    }
+
+    return n;
+}
+
+Pp.AssignExpression = function AssignExpression() {
+    var n, lhs;
+
+    // Have to treat yield like an operand because it could be the leftmost
+    // operand of the expression.
+    if (this.match(YIELD, true))
+        return this.ReturnOrYield();
+
+    n = this.newNode({ type: ASSIGN });
+    lhs = this.ConditionalExpression();
+
+    if (!this.match(ASSIGN)) {
+        return lhs;
+    }
+
+    n.blockComment = this.t.lastBlockComment();
+
+    switch (lhs.type) {
+      case OBJECT_INIT:
+      case ARRAY_INIT:
+        lhs.destructuredNames = this.checkDestructuring(lhs);
+        // FALL THROUGH
+      case IDENTIFIER: case DOT: case INDEX: case CALL:
+        break;
+      default:
+        this.fail("Bad left-hand side of assignment");
+        break;
+    }
+
+    n.assignOp = lhs.assignOp = this.t.token.assignOp;
+    n.push(lhs);
+    n.push(this.AssignExpression());
+
+    return n;
+}
+
+Pp.ConditionalExpression = function ConditionalExpression() {
+    var n, n2;
+
+    n = this.OrExpression();
+    if (this.match(HOOK)) {
+        n2 = n;
+        n = this.newNode({ type: HOOK });
+        n.push(n2);
+        var x2 = this.x.update({ inForLoopInit: false });
+        this.withContext(x2, function() {
+            n.push(this.AssignExpression());
+        });
+        if (!this.match(COLON))
+            this.fail("missing : after ?");
+        n.push(this.AssignExpression());
+    }
+
+    return n;
+}
+
+Pp.OrExpression = function OrExpression() {
+    var n, n2;
+
+    n = this.AndExpression();
+    while (this.match(OR)) {
+        n2 = this.newNode();
+        n2.push(n);
+        n2.push(this.AndExpression());
+        n = n2;
+    }
+
+    return n;
+}
+
+Pp.AndExpression = function AndExpression() {
+    var n, n2;
+
+    n = this.BitwiseOrExpression();
+    while (this.match(AND)) {
+        n2 = this.newNode();
+        n2.push(n);
+        n2.push(this.BitwiseOrExpression());
+        n = n2;
+    }
+
+    return n;
+}
+
+Pp.BitwiseOrExpression = function BitwiseOrExpression() {
+    var n, n2;
+
+    n = this.BitwiseXorExpression();
+    while (this.match(BITWISE_OR)) {
+        n2 = this.newNode();
+        n2.push(n);
+        n2.push(this.BitwiseXorExpression());
+        n = n2;
+    }
+
+    return n;
+}
+
+Pp.BitwiseXorExpression = function BitwiseXorExpression() {
+    var n, n2;
+
+    n = this.BitwiseAndExpression();
+    while (this.match(BITWISE_XOR)) {
+        n2 = this.newNode();
+        n2.push(n);
+        n2.push(this.BitwiseAndExpression());
+        n = n2;
+    }
+
+    return n;
+}
+
+Pp.BitwiseAndExpression = function BitwiseAndExpression() {
+    var n, n2;
+
+    n = this.EqualityExpression();
+    while (this.match(BITWISE_AND)) {
+        n2 = this.newNode();
+        n2.push(n);
+        n2.push(this.EqualityExpression());
+        n = n2;
+    }
+
+    return n;
+}
+
+Pp.EqualityExpression = function EqualityExpression() {
+    var n, n2;
+
+    n = this.RelationalExpression();
+    while (this.match(EQ) || this.match(NE) ||
+           this.match(STRICT_EQ) || this.match(STRICT_NE)) {
+        n2 = this.newNode();
+        n2.push(n);
+        n2.push(this.RelationalExpression());
+        n = n2;
+    }
+
+    return n;
+}
+
+Pp.RelationalExpression = function RelationalExpression() {
+    var n, n2;
+    var x2 = this.x.update({ inForLoopInit: false });
+    this.withContext(x2, function() {
+        n = this.ShiftExpression();
+        while ((this.match(LT) || this.match(LE) || this.match(GE) || this.match(GT) ||
+                (!this.x.inForLoopInit && this.match(IN)) ||
+                this.match(INSTANCEOF))) {
+            n2 = this.newNode();
+            n2.push(n);
+            n2.push(this.ShiftExpression());
+            n = n2;
+        }
+    });
+
+    return n;
+}
+
+Pp.ShiftExpression = function ShiftExpression() {
+    var n, n2;
+
+    n = this.AddExpression();
+    while (this.match(LSH) || this.match(RSH) || this.match(URSH)) {
+        n2 = this.newNode();
+        n2.push(n);
+        n2.push(this.AddExpression());
+        n = n2;
+    }
+
+    return n;
+}
+
+Pp.AddExpression = function AddExpression() {
+    var n, n2;
+
+    n = this.MultiplyExpression();
+    while (this.match(PLUS) || this.match(MINUS)) {
+        n2 = this.newNode();
+        n2.push(n);
+        n2.push(this.MultiplyExpression());
+        n = n2;
+    }
+
+    return n;
+}
+
+Pp.MultiplyExpression = function MultiplyExpression() {
+    var n, n2;
+
+    n = this.UnaryExpression();
+    while (this.match(MUL) || this.match(DIV) || this.match(MOD)) {
+        n2 = this.newNode();
+        n2.push(n);
+        n2.push(this.UnaryExpression());
+        n = n2;
+    }
+
+    return n;
+}
+
+Pp.UnaryExpression = function UnaryExpression() {
+    var n, n2, tt;
+
+    switch (tt = this.t.get(true)) {
+      case DELETE: case VOID: case TYPEOF:
+      case NOT: case BITWISE_NOT: case PLUS: case MINUS:
+        if (tt === PLUS)
+            n = this.newNode({ type: UNARY_PLUS });
+        else if (tt === MINUS)
+            n = this.newNode({ type: UNARY_MINUS });
+        else
+            n = this.newNode();
+        n.push(this.UnaryExpression());
+        break;
+
+      case INCREMENT:
+      case DECREMENT:
+        // Prefix increment/decrement.
+        n = this.newNode();
+        n.push(this.MemberExpression(true));
+        break;
+
+      default:
+        this.t.unget();
+        n = this.MemberExpression(true);
+
+        // Don't look across a newline boundary for a postfix {in,de}crement.
+        if (this.t.tokens[(this.t.tokenIndex + this.t.lookahead - 1) & 3].lineno ===
+            this.t.lineno) {
+            if (this.match(INCREMENT) || this.match(DECREMENT)) {
+                n2 = this.newNode({ postfix: true });
+                n2.push(n);
+                n = n2;
+            }
+        }
+        break;
+    }
+
+    return n;
+}
+
+Pp.MemberExpression = function MemberExpression(allowCallSyntax) {
+    var n, n2, name, tt;
+
+    if (this.match(NEW)) {
+        n = this.newNode();
+        n.push(this.MemberExpression(false));
+        if (this.match(LEFT_PAREN)) {
+            n.type = NEW_WITH_ARGS;
+            n.push(this.ArgumentList());
+        }
+    } else {
+        n = this.PrimaryExpression();
+    }
+
+    while ((tt = this.t.get()) !== END) {
+        switch (tt) {
+          case DOT:
+            n2 = this.newNode();
+            n2.push(n);
+            n2.push(this.IdentifierName());
+            break;
+
+          case LEFT_BRACKET:
+            n2 = this.newNode({ type: INDEX });
+            n2.push(n);
+            n2.push(this.Expression());
+            this.mustMatch(RIGHT_BRACKET);
+            break;
+
+          case LEFT_PAREN:
+            if (allowCallSyntax) {
+                n2 = this.newNode({ type: CALL });
+                n2.push(n);
+                n2.push(this.ArgumentList());
+                break;
+            }
+
+            // FALL THROUGH
+          default:
+            this.t.unget();
+            return n;
+        }
+
+        n = n2;
+    }
+
+    return n;
+}
+
+Pp.ArgumentList = function ArgumentList() {
+    var n, n2;
+
+    n = this.newNode({ type: LIST });
+    if (this.match(RIGHT_PAREN, true))
+        return n;
+    do {
+        n2 = this.AssignExpression();
+        if (n2.type === YIELD && !n2.parenthesized && this.peek() === COMMA)
+            this.fail("Yield expression must be parenthesized");
+        if (this.match(FOR)) {
+            n2 = this.GeneratorExpression(n2);
+            if (n.children.length > 1 || this.peek(true) === COMMA)
+                this.fail("Generator expression must be parenthesized");
+        }
+        n.push(n2);
+    } while (this.match(COMMA));
+    this.mustMatch(RIGHT_PAREN);
+
+    return n;
+}
+
+Pp.PrimaryExpression = function PrimaryExpression() {
+    var n, n2, tt = this.t.get(true);
+
+    switch (tt) {
+      case FUNCTION:
+        n = this.FunctionDefinition(false, EXPRESSED_FORM);
+        break;
+
+      case LEFT_BRACKET:
+        n = this.newNode({ type: ARRAY_INIT });
+        while ((tt = this.peek(true)) !== RIGHT_BRACKET) {
+            if (tt === COMMA) {
+                this.t.get();
+                n.push(null);
+                continue;
+            }
+            n.push(this.AssignExpression());
+            if (tt !== COMMA && !this.match(COMMA))
+                break;
+        }
+
+        // If we matched exactly one element and got a FOR, we have an
+        // array comprehension.
+        if (n.children.length === 1 && this.match(FOR)) {
+            n2 = this.newNode({ type: ARRAY_COMP,
+                                expression: n.children[0],
+                                tail: this.ComprehensionTail() });
+            n = n2;
+        }
+        this.mustMatch(RIGHT_BRACKET);
+        break;
+
+      case LEFT_CURLY:
+        var id, fd;
+        n = this.newNode({ type: OBJECT_INIT });
+
+        object_init:
+        if (!this.match(RIGHT_CURLY)) {
+            do {
+                tt = this.t.get();
+                if ((this.t.token.value === "get" || this.t.token.value === "set") &&
+                    this.peek() === IDENTIFIER) {
+                    n.push(this.FunctionDefinition(true, EXPRESSED_FORM));
+                } else {
+                    var comments = this.t.blockComments;
+                    switch (tt) {
+                      case IDENTIFIER: case NUMBER: case STRING:
+                        id = this.newNode({ type: IDENTIFIER });
+                        break;
+                      case RIGHT_CURLY:
+                        break object_init;
+                      default:
+                        if (this.t.token.value in definitions.keywords) {
+                            id = this.newNode({ type: IDENTIFIER });
+                            break;
+                        }
+                        this.fail("Invalid property name");
+                    }
+                    if (this.match(COLON)) {
+                        n2 = this.newNode({ type: PROPERTY_INIT });
+                        n2.push(id);
+                        n2.push(this.AssignExpression());
+                        n2.blockComments = comments;
+                        n.push(n2);
+                    } else {
+                        // Support, e.g., |var {x, y} = o| as destructuring shorthand
+                        // for |var {x: x, y: y} = o|, per proposed JS2/ES4 for JS1.8.
+                        if (this.peek() !== COMMA && this.peek() !== RIGHT_CURLY)
+                            this.fail("missing : after property");
+                        n.push(id);
+                    }
+                }
+            } while (this.match(COMMA));
+            this.mustMatch(RIGHT_CURLY);
+        }
+        break;
+
+      case LEFT_PAREN:
+        n = this.ParenExpression();
+        this.mustMatch(RIGHT_PAREN);
+        n.parenthesized = true;
+        break;
+
+      case LET:
+        n = this.LetBlock(false);
+        break;
+
+      case NULL: case THIS: case TRUE: case FALSE:
+      case IDENTIFIER: case NUMBER: case STRING: case REGEXP:
+        n = this.newNode();
+        break;
+
+      default:
+        this.fail("missing operand; found " + definitions.tokens[tt]);
+        break;
+    }
+
+    return n;
+}
+
+/*
+ * parse :: (source, filename, line number) -> node
+ */
+function parse(s, f, l) {
+    var t = new Tokenizer(s, f, l, options.allowHTMLComments);
+    var p = new Parser(t);
+    return p.Script(false, false, true);
+}
+
+/*
+ * parseFunction :: (source, boolean,
+ *                   DECLARED_FORM or EXPRESSED_FORM or STATEMENT_FORM,
+ *                   filename, line number)
+ *               -> node
+ */
+function parseFunction(s, requireName, form, f, l) {
+    var t = new Tokenizer(s, f, l);
+    var p = new Parser(t);
+    p.x = new StaticContext(null, null, false, false, false);
+    return p.FunctionDefinition(requireName, form);
+}
+
+/*
+ * parseStdin :: (source, {line number}, string, (string) -> boolean) -> program node
+ */
+function parseStdin(s, ln, prefix, isCommand) {
+    // the special .begin command is only recognized at the beginning
+    if (s.match(/^[\s]*\.begin[\s]*$/)) {
+        ++ln.value;
+        return parseMultiline(ln, prefix);
+    }
+
+    // commands at the beginning are treated as the entire input
+    if (isCommand(s.trim()))
+        s = "";
+
+    for (;;) {
+        try {
+            var t = new Tokenizer(s, "stdin", ln.value, false);
+            var p = new Parser(t);
+            var n = p.Script(false, false);
+            ln.value = t.lineno;
+            return n;
+        } catch (e) {
+            if (!p.unexpectedEOF)
+                throw e;
+
+            // commands in the middle are not treated as part of the input
+            var more;
+            do {
+                if (prefix)
+                    putstr(prefix);
+                more = readline();
+                if (!more)
+                    throw e;
+            } while (isCommand(more.trim()));
+
+            s += "\n" + more;
+        }
+    }
+}
+
+/*
+ * parseMultiline :: ({line number}, string | null) -> program node
+ */
+function parseMultiline(ln, prefix) {
+    var s = "";
+    for (;;) {
+        if (prefix)
+            putstr(prefix);
+        var more = readline();
+        if (more === null)
+            return null;
+        // the only command recognized in multiline mode is .end
+        if (more.match(/^[\s]*\.end[\s]*$/))
+            break;
+        s += "\n" + more;
+    }
+    var t = new Tokenizer(s, "stdin", ln.value, false);
+    var p = new Parser(t);
+    var n = p.Script(false, false);
+    ln.value = t.lineno;
+    return n;
+}
+
+exports.parse = parse;
+exports.parseStdin = parseStdin;
+exports.parseFunction = parseFunction;
+exports.Node = Node;
+exports.DECLARED_FORM = DECLARED_FORM;
+exports.EXPRESSED_FORM = EXPRESSED_FORM;
+exports.STATEMENT_FORM = STATEMENT_FORM;
+exports.Tokenizer = Tokenizer;
+exports.Parser = Parser;
+exports.Module = Module;
+exports.Export = Export;
+
+});
+/* ***** BEGIN LICENSE BLOCK *****
+ * Version: MPL 1.1/GPL 2.0/LGPL 2.1
+ *
+ * The contents of this file are subject to the Mozilla Public License Version
+ * 1.1 (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.mozilla.org/MPL/
+ *
+ * Software distributed under the License is distributed on an "AS IS" basis,
+ * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
+ * for the specific language governing rights and limitations under the
+ * License.
+ *
+ * The Original Code is the Narcissus JavaScript engine.
+ *
+ * The Initial Developer of the Original Code is
+ * Brendan Eich <brendan@mozilla.org>.
+ * Portions created by the Initial Developer are Copyright (C) 2004
+ * the Initial Developer. All Rights Reserved.
+ *
+ * Contributor(s):
+ *   Tom Austin <taustin@ucsc.edu>
+ *   Brendan Eich <brendan@mozilla.org>
+ *   Shu-Yu Guo <shu@rfrn.org>
+ *   Stephan Herhut <stephan.a.herhut@intel.com>
+ *   Dave Herman <dherman@mozilla.com>
+ *   Dimitris Vardoulakis <dimvar@ccs.neu.edu>
+ *   Patrick Walton <pcwalton@mozilla.com>
+ *
+ * Alternatively, the contents of this file may be used under the terms of
+ * either the GNU General Public License Version 2 or later (the "GPL"), or
+ * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
+ * in which case the provisions of the GPL or the LGPL are applicable instead
+ * of those above. If you wish to allow use of your version of this file only
+ * under the terms of either the GPL or the LGPL, and not to allow others to
+ * use your version of this file under the terms of the MPL, indicate your
+ * decision by deleting the provisions above and replace them with the notice
+ * and other provisions required by the GPL or the LGPL. If you do not delete
+ * the provisions above, a recipient may use your version of this file under
+ * the terms of any one of the MPL, the GPL or the LGPL.
+ *
+ * ***** END LICENSE BLOCK ***** */
+
+/*
+ * Narcissus - JS implemented in JS.
+ *
+ * Lexical scanner.
+ */
+
+ define('ace/narcissus/lexer', ['require', 'exports', 'module' , 'ace/narcissus/definitions'], function(require, exports, module) {
+
+var definitions = require('./definitions');
+
+// Set constants in the local scope.
+eval(definitions.consts);
+
+// Build up a trie of operator tokens.
+var opTokens = {};
+for (var op in definitions.opTypeNames) {
+    if (op === '\n' || op === '.')
+        continue;
+
+    var node = opTokens;
+    for (var i = 0; i < op.length; i++) {
+        var ch = op[i];
+        if (!(ch in node))
+            node[ch] = {};
+        node = node[ch];
+        node.op = op;
+    }
+}
+
+/*
+ * Since JavaScript provides no convenient way to determine if a
+ * character is in a particular Unicode category, we use
+ * metacircularity to accomplish this (oh yeaaaah!)
+ */
+function isValidIdentifierChar(ch, first) {
+    // check directly for ASCII
+    if (ch <= "\u007F") {
+        if ((ch >= 'a' && ch <= 'z') || (ch >= 'A' && ch <= 'Z') || ch === '$' || ch === '_' ||
+            (!first && (ch >= '0' && ch <= '9'))) {
+            return true;
+        }
+        return false;
+    }
+
+    // create an object to test this in
+    var x = {};
+    x["x"+ch] = true;
+    x[ch] = true;
+
+    // then use eval to determine if it's a valid character
+    var valid = false;
+    try {
+        valid = (Function("x", "return (x." + (first?"":"x") + ch + ");")(x) === true);
+    } catch (ex) {}
+
+    return valid;
+}
+
+function isIdentifier(str) {
+    if (typeof str !== "string")
+        return false;
+
+    if (str.length === 0)
+        return false;
+
+    if (!isValidIdentifierChar(str[0], true))
+        return false;
+
+    for (var i = 1; i < str.length; i++) {
+        if (!isValidIdentifierChar(str[i], false))
+            return false;
+    }
+
+    return true;
+}
+
+/*
+ * Tokenizer :: (source, filename, line number, boolean) -> Tokenizer
+ */
+function Tokenizer(s, f, l, allowHTMLComments) {
+    this.cursor = 0;
+    this.source = String(s);
+    this.tokens = [];
+    this.tokenIndex = 0;
+    this.lookahead = 0;
+    this.scanNewlines = false;
+    this.filename = f || "";
+    this.lineno = l || 1;
+    this.allowHTMLComments = allowHTMLComments;
+    this.blockComments = null;
+}
+
+Tokenizer.prototype = {
+    get done() {
+        // We need to set scanOperand to true here because the first thing
+        // might be a regexp.
+        return this.peek(true) === END;
+    },
+
+    get token() {
+        return this.tokens[this.tokenIndex];
+    },
+
+    match: function (tt, scanOperand, keywordIsName) {
+        return this.get(scanOperand, keywordIsName) === tt || this.unget();
+    },
+
+    mustMatch: function (tt, keywordIsName) {
+        if (!this.match(tt, false, keywordIsName)) {
+            throw this.newSyntaxError("Missing " +
+                                      definitions.tokens[tt].toLowerCase());
+        }
+        return this.token;
+    },
+
+    peek: function (scanOperand) {
+        var tt, next;
+        if (this.lookahead) {
+            next = this.tokens[(this.tokenIndex + this.lookahead) & 3];
+            tt = (this.scanNewlines && next.lineno !== this.lineno)
+                ? NEWLINE
+                : next.type;
+        } else {
+            tt = this.get(scanOperand);
+            this.unget();
+        }
+        return tt;
+    },
+
+    peekOnSameLine: function (scanOperand) {
+        this.scanNewlines = true;
+        var tt = this.peek(scanOperand);
+        this.scanNewlines = false;
+        return tt;
+    },
+
+    lastBlockComment: function() {
+        var length = this.blockComments.length;
+        return length ? this.blockComments[length - 1] : null;
+    },
+
+    // Eat comments and whitespace.
+    skip: function () {
+        var input = this.source;
+        this.blockComments = [];
+        for (;;) {
+            var ch = input[this.cursor++];
+            var next = input[this.cursor];
+            // handle \r, \r\n and (always preferable) \n
+            if (ch === '\r') {
+                // if the next character is \n, we don't care about this at all
+                if (next === '\n') continue;
+
+                // otherwise, we want to consider this as a newline
+                ch = '\n';
+            }
+
+            if (ch === '\n' && !this.scanNewlines) {
+                this.lineno++;
+            } else if (ch === '/' && next === '*') {
+                var commentStart = ++this.cursor;
+                for (;;) {
+                    ch = input[this.cursor++];
+                    if (ch === undefined)
+                        throw this.newSyntaxError("Unterminated comment");
+
+                    if (ch === '*') {
+                        next = input[this.cursor];
+                        if (next === '/') {
+                            var commentEnd = this.cursor - 1;
+                            this.cursor++;
+                            break;
+                        }
+                    } else if (ch === '\n') {
+                        this.lineno++;
+                    }
+                }
+                this.blockComments.push(input.substring(commentStart, commentEnd));
+            } else if ((ch === '/' && next === '/') ||
+                       (this.allowHTMLComments && ch === '<' && next === '!' &&
+                        input[this.cursor + 1] === '-' && input[this.cursor + 2] === '-' &&
+                        (this.cursor += 2))) {
+                this.cursor++;
+                for (;;) {
+                    ch = input[this.cursor++];
+                    next = input[this.cursor];
+                    if (ch === undefined)
+                        return;
+
+                    if (ch === '\r') {
+                        // check for \r\n
+                        if (next !== '\n') ch = '\n';
+                    }
+
+                    if (ch === '\n') {
+                        if (this.scanNewlines) {
+                            this.cursor--;
+                        } else {
+                            this.lineno++;
+                        }
+                        break;
+                    }
+                }
+            } else if (!(ch in definitions.whitespace)) {
+                this.cursor--;
+                return;
+            }
+        }
+    },
+
+    // Lex the exponential part of a number, if present. Return true iff an
+    // exponential part was found.
+    lexExponent: function() {
+        var input = this.source;
+        var next = input[this.cursor];
+        if (next === 'e' || next === 'E') {
+            this.cursor++;
+            ch = input[this.cursor++];
+            if (ch === '+' || ch === '-')
+                ch = input[this.cursor++];
+
+            if (ch < '0' || ch > '9')
+                throw this.newSyntaxError("Missing exponent");
+
+            do {
+                ch = input[this.cursor++];
+            } while (ch >= '0' && ch <= '9');
+            this.cursor--;
+
+            return true;
+        }
+
+        return false;
+    },
+
+    lexZeroNumber: function (ch) {
+        var token = this.token, input = this.source;
+        token.type = NUMBER;
+
+        ch = input[this.cursor++];
+        if (ch === '.') {
+            do {
+                ch = input[this.cursor++];
+            } while (ch >= '0' && ch <= '9');
+            this.cursor--;
+
+            this.lexExponent();
+            token.value = parseFloat(
+                input.substring(token.start, this.cursor));
+        } else if (ch === 'x' || ch === 'X') {
+            do {
+                ch = input[this.cursor++];
+            } while ((ch >= '0' && ch <= '9') || (ch >= 'a' && ch <= 'f') ||
+                     (ch >= 'A' && ch <= 'F'));
+            this.cursor--;
+
+            token.value = parseInt(input.substring(token.start, this.cursor));
+        } else if (ch >= '0' && ch <= '7') {
+            do {
+                ch = input[this.cursor++];
+            } while (ch >= '0' && ch <= '7');
+            this.cursor--;
+
+            token.value = parseInt(input.substring(token.start, this.cursor));
+        } else {
+            this.cursor--;
+            this.lexExponent();     // 0E1, &c.
+            token.value = 0;
+        }
+    },
+
+    lexNumber: function (ch) {
+        var token = this.token, input = this.source;
+        token.type = NUMBER;
+
+        var floating = false;
+        do {
+            ch = input[this.cursor++];
+            if (ch === '.' && !floating) {
+                floating = true;
+                ch = input[this.cursor++];
+            }
+        } while (ch >= '0' && ch <= '9');
+
+        this.cursor--;
+
+        var exponent = this.lexExponent();
+        floating = floating || exponent;
+
+        var str = input.substring(token.start, this.cursor);
+        token.value = floating ? parseFloat(str) : parseInt(str);
+    },
+
+    lexDot: function (ch) {
+        var token = this.token, input = this.source;
+        var next = input[this.cursor];
+        if (next >= '0' && next <= '9') {
+            do {
+                ch = input[this.cursor++];
+            } while (ch >= '0' && ch <= '9');
+            this.cursor--;
+
+            this.lexExponent();
+
+            token.type = NUMBER;
+            token.value = parseFloat(
+                input.substring(token.start, this.cursor));
+        } else {
+            token.type = DOT;
+            token.assignOp = null;
+            token.value = '.';
+        }
+    },
+
+    lexString: function (ch) {
+        var token = this.token, input = this.source;
+        token.type = STRING;
+
+        var hasEscapes = false;
+        var delim = ch;
+        if (input.length <= this.cursor)
+            throw this.newSyntaxError("Unterminated string literal");
+        while ((ch = input[this.cursor++]) !== delim) {
+            if (ch == '\n' || ch == '\r')
+                throw this.newSyntaxError("Unterminated string literal");
+            if (this.cursor == input.length)
+                throw this.newSyntaxError("Unterminated string literal");
+            if (ch === '\\') {
+                hasEscapes = true;
+                if (++this.cursor == input.length)
+                    throw this.newSyntaxError("Unterminated string literal");
+            }
+        }
+
+        token.value = hasEscapes
+            ? eval(input.substring(token.start, this.cursor))
+            : input.substring(token.start + 1, this.cursor - 1);
+    },
+
+    lexRegExp: function (ch) {
+        var token = this.token, input = this.source;
+        token.type = REGEXP;
+
+        do {
+            ch = input[this.cursor++];
+            if (ch === '\\') {
+                this.cursor++;
+            } else if (ch === '[') {
+                do {
+                    if (ch === undefined)
+                        throw this.newSyntaxError("Unterminated character class");
+
+                    if (ch === '\\')
+                        this.cursor++;
+
+                    ch = input[this.cursor++];
+                } while (ch !== ']');
+            } else if (ch === undefined) {
+                throw this.newSyntaxError("Unterminated regex");
+            }
+        } while (ch !== '/');
+
+        do {
+            ch = input[this.cursor++];
+        } while (ch >= 'a' && ch <= 'z');
+
+        this.cursor--;
+
+        token.value = eval(input.substring(token.start, this.cursor));
+    },
+
+    lexOp: function (ch) {
+        var token = this.token, input = this.source;
+
+        // A bit ugly, but it seems wasteful to write a trie lookup routine
+        // for only 3 characters...
+        var node = opTokens[ch];
+        var next = input[this.cursor];
+        if (next in node) {
+            node = node[next];
+            this.cursor++;
+            next = input[this.cursor];
+            if (next in node) {
+                node = node[next];
+                this.cursor++;
+                next = input[this.cursor];
+            }
+        }
+
+        var op = node.op;
+        if (definitions.assignOps[op] && input[this.cursor] === '=') {
+            this.cursor++;
+            token.type = ASSIGN;
+            token.assignOp = definitions.tokenIds[definitions.opTypeNames[op]];
+            op += '=';
+        } else {
+            token.type = definitions.tokenIds[definitions.opTypeNames[op]];
+            token.assignOp = null;
+        }
+
+        token.value = op;
+    },
+
+    // FIXME: Unicode escape sequences
+    lexIdent: function (ch, keywordIsName) {
+        var token = this.token;
+        var id = ch;
+
+        while ((ch = this.getValidIdentifierChar(false)) !== null) {
+            id += ch;
+        }
+
+        token.type = IDENTIFIER;
+        token.value = id;
+
+        if (keywordIsName)
+            return;
+
+        var kw;
+
+        if (this.parser.mozillaMode) {
+            kw = definitions.mozillaKeywords[id];
+            if (kw) {
+                token.type = kw;
+                return;
+            }
+        }
+
+        if (this.parser.x.strictMode) {
+            kw = definitions.strictKeywords[id];
+            if (kw) {
+                token.type = kw;
+                return;
+            }
+        }
+
+        kw = definitions.keywords[id];
+        if (kw)
+            token.type = kw;
+    },
+
+    /*
+     * Tokenizer.get :: ([boolean[, boolean]]) -> token type
+     *
+     * Consume input *only* if there is no lookahead.
+     * Dispatch to the appropriate lexing function depending on the input.
+     */
+    get: function (scanOperand, keywordIsName) {
+        var token;
+        while (this.lookahead) {
+            --this.lookahead;
+            this.tokenIndex = (this.tokenIndex + 1) & 3;
+            token = this.tokens[this.tokenIndex];
+            if (token.type !== NEWLINE || this.scanNewlines)
+                return token.type;
+        }
+
+        this.skip();
+
+        this.tokenIndex = (this.tokenIndex + 1) & 3;
+        token = this.tokens[this.tokenIndex];
+        if (!token)
+            this.tokens[this.tokenIndex] = token = {};
+
+        var input = this.source;
+        if (this.cursor >= input.length)
+            return token.type = END;
+
+        token.start = this.cursor;
+        token.lineno = this.lineno;
+
+        var ich = this.getValidIdentifierChar(true);
+        var ch = (ich === null) ? input[this.cursor++] : null;
+        if (ich !== null) {
+            this.lexIdent(ich, keywordIsName);
+        } else if (scanOperand && ch === '/') {
+            this.lexRegExp(ch);
+        } else if (ch in opTokens) {
+            this.lexOp(ch);
+        } else if (ch === '.') {
+            this.lexDot(ch);
+        } else if (ch >= '1' && ch <= '9') {
+            this.lexNumber(ch);
+        } else if (ch === '0') {
+            this.lexZeroNumber(ch);
+        } else if (ch === '"' || ch === "'") {
+            this.lexString(ch);
+        } else if (this.scanNewlines && (ch === '\n' || ch === '\r')) {
+            // if this was a \r, look for \r\n
+            if (ch === '\r' && input[this.cursor] === '\n') this.cursor++;
+            token.type = NEWLINE;
+            token.value = '\n';
+            this.lineno++;
+        } else {
+            throw this.newSyntaxError("Illegal token");
+        }
+
+        token.end = this.cursor;
+        return token.type;
+    },
+
+    /*
+     * Tokenizer.unget :: void -> undefined
+     *
+     * Match depends on unget returning undefined.
+     */
+    unget: function () {
+        if (++this.lookahead === 4) throw "PANIC: too much lookahead!";
+        this.tokenIndex = (this.tokenIndex - 1) & 3;
+    },
+
+    newSyntaxError: function (m) {
+        m = (this.filename ? this.filename + ":" : "") + this.lineno + ": " + m;
+        var e = new SyntaxError(m, this.filename, this.lineno);
+        e.source = this.source;
+        e.cursor = this.lookahead
+            ? this.tokens[(this.tokenIndex + this.lookahead) & 3].start
+            : this.cursor;
+        return e;
+    },
+
+
+    /* Gets a single valid identifier char from the input stream, or null
+     * if there is none.
+     */
+    getValidIdentifierChar: function(first) {
+        var input = this.source;
+        if (this.cursor >= input.length) return null;
+        var ch = input[this.cursor];
+
+        // first check for \u escapes
+        if (ch === '\\' && input[this.cursor+1] === 'u') {
+            // get the character value
+            try {
+                ch = String.fromCharCode(parseInt(
+                    input.substring(this.cursor + 2, this.cursor + 6),
+                    16));
+            } catch (ex) {
+                return null;
+            }
+            this.cursor += 5;
+        }
+
+        var valid = isValidIdentifierChar(ch, first);
+        if (valid) this.cursor++;
+        return (valid ? ch : null);
+    },
+};
+
+
+exports.isIdentifier = isIdentifier;
+exports.Tokenizer = Tokenizer;
+
+});
+/* ***** BEGIN LICENSE BLOCK *****
+ * Version: MPL 1.1/GPL 2.0/LGPL 2.1
+ *
+ * The contents of this file are subject to the Mozilla Public License Version
+ * 1.1 (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.mozilla.org/MPL/
+ *
+ * Software distributed under the License is distributed on an "AS IS" basis,
+ * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
+ * for the specific language governing rights and limitations under the
+ * License.
+ *
+ * The Original Code is the Narcissus JavaScript engine.
+ *
+ * The Initial Developer of the Original Code is
+ * Brendan Eich <brendan@mozilla.org>.
+ * Portions created by the Initial Developer are Copyright (C) 2004
+ * the Initial Developer. All Rights Reserved.
+ *
+ * Contributor(s):
+ *   Tom Austin <taustin@ucsc.edu>
+ *   Brendan Eich <brendan@mozilla.org>
+ *   Shu-Yu Guo <shu@rfrn.org>
+ *   Dave Herman <dherman@mozilla.com>
+ *   Dimitris Vardoulakis <dimvar@ccs.neu.edu>
+ *   Patrick Walton <pcwalton@mozilla.com>
+ *
+ * Alternatively, the contents of this file may be used under the terms of
+ * either the GNU General Public License Version 2 or later (the "GPL"), or
+ * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
+ * in which case the provisions of the GPL or the LGPL are applicable instead
+ * of those above. If you wish to allow use of your version of this file only
+ * under the terms of either the GPL or the LGPL, and not to allow others to
+ * use your version of this file under the terms of the MPL, indicate your
+ * decision by deleting the provisions above and replace them with the notice
+ * and other provisions required by the GPL or the LGPL. If you do not delete
+ * the provisions above, a recipient may use your version of this file under
+ * the terms of any one of the MPL, the GPL or the LGPL.
+ *
+ * ***** END LICENSE BLOCK ***** */
+
+/*
+ * Narcissus - JS implemented in JS.
+ *
+ * Well-known constants and lookup tables.  Many consts are generated from the
+ * tokens table via eval to minimize redundancy, so consumers must be compiled
+ * separately to take advantage of the simple switch-case constant propagation
+ * done by SpiderMonkey.
+ */
+
+define('ace/narcissus/definitions', ['require', 'exports', 'module' ], function(require, exports, module) {
+
+var tokens = [
+    // End of source.
+    "END",
+
+    // Operators and punctuators.  Some pair-wise order matters, e.g. (+, -)
+    // and (UNARY_PLUS, UNARY_MINUS).
+    "\n", ";",
+    ",",
+    "=",
+    "?", ":", "CONDITIONAL",
+    "||",
+    "&&",
+    "|",
+    "^",
+    "&",
+    "==", "!=", "===", "!==",
+    "<", "<=", ">=", ">",
+    "<<", ">>", ">>>",
+    "+", "-",
+    "*", "/", "%",
+    "!", "~", "UNARY_PLUS", "UNARY_MINUS",
+    "++", "--",
+    ".",
+    "[", "]",
+    "{", "}",
+    "(", ")",
+
+    // Nonterminal tree node type codes.
+    "SCRIPT", "BLOCK", "LABEL", "FOR_IN", "CALL", "NEW_WITH_ARGS", "INDEX",
+    "ARRAY_INIT", "OBJECT_INIT", "PROPERTY_INIT", "GETTER", "SETTER",
+    "GROUP", "LIST", "LET_BLOCK", "ARRAY_COMP", "GENERATOR", "COMP_TAIL",
+
+    // Contextual keywords.
+    "IMPLEMENTS", "INTERFACE", "LET", "MODULE", "PACKAGE", "PRIVATE",
+    "PROTECTED", "PUBLIC", "STATIC", "USE", "YIELD",
+
+    // Terminals.
+    "IDENTIFIER", "NUMBER", "STRING", "REGEXP",
+
+    // Keywords.
+    "break",
+    "case", "catch", "const", "continue",
+    "debugger", "default", "delete", "do",
+    "else", "export",
+    "false", "finally", "for", "function",
+    "if", "import", "in", "instanceof",
+    "new", "null",
+    "return",
+    "switch",
+    "this", "throw", "true", "try", "typeof",
+    "var", "void",
+    "while", "with",
+];
+
+var strictKeywords = {
+    __proto__: null,
+    "implements": true,
+    "interface": true,
+    "let": true,
+    //"module": true,
+    "package": true,
+    "private": true,
+    "protected": true,
+    "public": true,
+    "static": true,
+    "use": true,
+    "yield": true
+};
+
+var statementStartTokens = [
+    "break",
+    "const", "continue",
+    "debugger", "do",
+    "for",
+    "if",
+    "let",
+    "return",
+    "switch",
+    "throw", "try",
+    "var",
+    "yield",
+    "while", "with",
+];
+
+// Whitespace characters (see ECMA-262 7.2)
+var whitespaceChars = [
+    // normal whitespace:
+    "\u0009", "\u000B", "\u000C", "\u0020", "\u00A0", "\uFEFF",
+
+    // high-Unicode whitespace:
+    "\u1680", "\u180E",
+    "\u2000", "\u2001", "\u2002", "\u2003", "\u2004", "\u2005", "\u2006",
+    "\u2007", "\u2008", "\u2009", "\u200A",
+    "\u202F", "\u205F", "\u3000"
+];
+
+var whitespace = {};
+for (var i = 0; i < whitespaceChars.length; i++) {
+    whitespace[whitespaceChars[i]] = true;
+}
+
+// Operator and punctuator mapping from token to tree node type name.
+// NB: because the lexer doesn't backtrack, all token prefixes must themselves
+// be valid tokens (e.g. !== is acceptable because its prefixes are the valid
+// tokens != and !).
+var opTypeNames = {
+    '\n':   "NEWLINE",
+    ';':    "SEMICOLON",
+    ',':    "COMMA",
+    '?':    "HOOK",
+    ':':    "COLON",
+    '||':   "OR",
+    '&&':   "AND",
+    '|':    "BITWISE_OR",
+    '^':    "BITWISE_XOR",
+    '&':    "BITWISE_AND",
+    '===':  "STRICT_EQ",
+    '==':   "EQ",
+    '=':    "ASSIGN",
+    '!==':  "STRICT_NE",
+    '!=':   "NE",
+    '<<':   "LSH",
+    '<=':   "LE",
+    '<':    "LT",
+    '>>>':  "URSH",
+    '>>':   "RSH",
+    '>=':   "GE",
+    '>':    "GT",
+    '++':   "INCREMENT",
+    '--':   "DECREMENT",
+    '+':    "PLUS",
+    '-':    "MINUS",
+    '*':    "MUL",
+    '/':    "DIV",
+    '%':    "MOD",
+    '!':    "NOT",
+    '~':    "BITWISE_NOT",
+    '.':    "DOT",
+    '[':    "LEFT_BRACKET",
+    ']':    "RIGHT_BRACKET",
+    '{':    "LEFT_CURLY",
+    '}':    "RIGHT_CURLY",
+    '(':    "LEFT_PAREN",
+    ')':    "RIGHT_PAREN"
+};
+
+// Hash of keyword identifier to tokens index.  NB: we must null __proto__ to
+// avoid toString, etc. namespace pollution.
+var keywords = {__proto__: null};
+var mozillaKeywords = {__proto__: null};
+
+// Define const END, etc., based on the token names.  Also map name to index.
+var tokenIds = {};
+
+var hostSupportsEvalConst = (function() {
+    try {
+        return eval("(function(s) { eval(s); return x })('const x = true;')");
+    } catch (e) {
+        return false;
+    }
+})();
+
+// Building up a string to be eval'd in different contexts.
+var consts = hostSupportsEvalConst ? "const " : "var ";
+for (var i = 0, j = tokens.length; i < j; i++) {
+    if (i > 0)
+        consts += ", ";
+    var t = tokens[i];
+    var name;
+    if (/^[a-z]/.test(t)) {
+        name = t.toUpperCase();
+        if (name === "LET" || name === "YIELD")
+            mozillaKeywords[name] = i;
+        if (strictKeywords[name])
+            strictKeywords[name] = i;
+        keywords[t] = i;
+    } else {
+        name = (/^\W/.test(t) ? opTypeNames[t] : t);
+    }
+    consts += name + " = " + i;
+    tokenIds[name] = i;
+    tokens[t] = i;
+}
+consts += ";";
+
+var isStatementStartCode = {__proto__: null};
+for (i = 0, j = statementStartTokens.length; i < j; i++)
+    isStatementStartCode[keywords[statementStartTokens[i]]] = true;
+
+// Map assignment operators to their indexes in the tokens array.
+var assignOps = ['|', '^', '&', '<<', '>>', '>>>', '+', '-', '*', '/', '%'];
+
+for (i = 0, j = assignOps.length; i < j; i++) {
+    t = assignOps[i];
+    assignOps[t] = tokens[t];
+}
+
+function defineGetter(obj, prop, fn, dontDelete, dontEnum) {
+    Object.defineProperty(obj, prop,
+                          { get: fn, configurable: !dontDelete, enumerable: !dontEnum });
+}
+
+function defineGetterSetter(obj, prop, getter, setter, dontDelete, dontEnum) {
+    Object.defineProperty(obj, prop, {
+        get: getter,
+        set: setter,
+        configurable: !dontDelete,
+        enumerable: !dontEnum
+    });
+}
+
+function defineMemoGetter(obj, prop, fn, dontDelete, dontEnum) {
+    Object.defineProperty(obj, prop, {
+        get: function() {
+            var val = fn();
+            defineProperty(obj, prop, val, dontDelete, true, dontEnum);
+            return val;
+        },
+        configurable: true,
+        enumerable: !dontEnum
+    });
+}
+
+function defineProperty(obj, prop, val, dontDelete, readOnly, dontEnum) {
+    Object.defineProperty(obj, prop,
+                          { value: val, writable: !readOnly, configurable: !dontDelete,
+                            enumerable: !dontEnum });
+}
+
+// Returns true if fn is a native function.  (Note: SpiderMonkey specific.)
+function isNativeCode(fn) {
+    // Relies on the toString method to identify native code.
+    return ((typeof fn) === "function") && fn.toString().match(/\[native code\]/);
+}
+
+var Fpapply = Function.prototype.apply;
+
+function apply(f, o, a) {
+    return Fpapply.call(f, [o].concat(a));
+}
+
+var applyNew;
+
+// ES5's bind is a simpler way to implement applyNew
+if (Function.prototype.bind) {
+    applyNew = function applyNew(f, a) {
+        return new (f.bind.apply(f, [,].concat(Array.prototype.slice.call(a))))();
+    };
+} else {
+    applyNew = function applyNew(f, a) {
+        switch (a.length) {
+          case 0:
+            return new f();
+          case 1:
+            return new f(a[0]);
+          case 2:
+            return new f(a[0], a[1]);
+          case 3:
+            return new f(a[0], a[1], a[2]);
+          default:
+            var argStr = "a[0]";
+            for (var i = 1, n = a.length; i < n; i++)
+                argStr += ",a[" + i + "]";
+            return eval("new f(" + argStr + ")");
+        }
+    };
+}
+
+function getPropertyDescriptor(obj, name) {
+    while (obj) {
+        if (({}).hasOwnProperty.call(obj, name))
+            return Object.getOwnPropertyDescriptor(obj, name);
+        obj = Object.getPrototypeOf(obj);
+    }
+}
+
+function getPropertyNames(obj) {
+    var table = Object.create(null, {});
+    while (obj) {
+        var names = Object.getOwnPropertyNames(obj);
+        for (var i = 0, n = names.length; i < n; i++)
+            table[names[i]] = true;
+        obj = Object.getPrototypeOf(obj);
+    }
+    return Object.keys(table);
+}
+
+function getOwnProperties(obj) {
+    var map = {};
+    for (var name in Object.getOwnPropertyNames(obj))
+        map[name] = Object.getOwnPropertyDescriptor(obj, name);
+    return map;
+}
+
+function blacklistHandler(target, blacklist) {
+    var mask = Object.create(null, {});
+    var redirect = Dict.create(blacklist).mapObject(function(name) { return mask; });
+    return mixinHandler(redirect, target);
+}
+
+function whitelistHandler(target, whitelist) {
+    var catchall = Object.create(null, {});
+    var redirect = Dict.create(whitelist).mapObject(function(name) { return target; });
+    return mixinHandler(redirect, catchall);
+}
+
+/*
+ * Mixin proxies break the single-inheritance model of prototypes, so
+ * the handler treats all properties as own-properties:
+ *
+ *                  X
+ *                  |
+ *     +------------+------------+
+ *     |                 O       |
+ *     |                 |       |
+ *     |  O         O    O       |
+ *     |  |         |    |       |
+ *     |  O    O    O    O       |
+ *     |  |    |    |    |       |
+ *     |  O    O    O    O    O  |
+ *     |  |    |    |    |    |  |
+ *     +-(*)--(w)--(x)--(y)--(z)-+
+ */
+
+function mixinHandler(redirect, catchall) {
+    function targetFor(name) {
+        return hasOwn(redirect, name) ? redirect[name] : catchall;
+    }
+
+    function getMuxPropertyDescriptor(name) {
+        var desc = getPropertyDescriptor(targetFor(name), name);
+        if (desc)
+            desc.configurable = true;
+        return desc;
+    }
+
+    function getMuxPropertyNames() {
+        var names1 = Object.getOwnPropertyNames(redirect).filter(function(name) {
+            return name in redirect[name];
+        });
+        var names2 = getPropertyNames(catchall).filter(function(name) {
+            return !hasOwn(redirect, name);
+        });
+        return names1.concat(names2);
+    }
+
+    function enumerateMux() {
+        var result = Object.getOwnPropertyNames(redirect).filter(function(name) {
+            return name in redirect[name];
+        });
+        for (name in catchall) {
+            if (!hasOwn(redirect, name))
+                result.push(name);
+        };
+        return result;
+    }
+
+    function hasMux(name) {
+        return name in targetFor(name);
+    }
+
+    return {
+        getOwnPropertyDescriptor: getMuxPropertyDescriptor,
+        getPropertyDescriptor: getMuxPropertyDescriptor,
+        getOwnPropertyNames: getMuxPropertyNames,
+        defineProperty: function(name, desc) {
+            Object.defineProperty(targetFor(name), name, desc);
+        },
+        "delete": function(name) {
+            var target = targetFor(name);
+            return delete target[name];
+        },
+        // FIXME: ha ha ha
+        fix: function() { },
+        has: hasMux,
+        hasOwn: hasMux,
+        get: function(receiver, name) {
+            var target = targetFor(name);
+            return target[name];
+        },
+        set: function(receiver, name, val) {
+            var target = targetFor(name);
+            target[name] = val;
+            return true;
+        },
+        enumerate: enumerateMux,
+        keys: enumerateMux
+    };
+}
+
+function makePassthruHandler(obj) {
+    // Handler copied from
+    // http://wiki.ecmascript.org/doku.php?id=harmony:proxies&s=proxy%20object#examplea_no-op_forwarding_proxy
+    return {
+        getOwnPropertyDescriptor: function(name) {
+            var desc = Object.getOwnPropertyDescriptor(obj, name);
+
+            // a trapping proxy's properties must always be configurable
+            desc.configurable = true;
+            return desc;
+        },
+        getPropertyDescriptor: function(name) {
+            var desc = getPropertyDescriptor(obj, name);
+
+            // a trapping proxy's properties must always be configurable
+            desc.configurable = true;
+            return desc;
+        },
+        getOwnPropertyNames: function() {
+            return Object.getOwnPropertyNames(obj);
+        },
+        defineProperty: function(name, desc) {
+            Object.defineProperty(obj, name, desc);
+        },
+        "delete": function(name) { return delete obj[name]; },
+        fix: function() {
+            if (Object.isFrozen(obj)) {
+                return getOwnProperties(obj);
+            }
+
+            // As long as obj is not frozen, the proxy won't allow itself to be fixed.
+            return undefined; // will cause a TypeError to be thrown
+        },
+
+        has: function(name) { return name in obj; },
+        hasOwn: function(name) { return ({}).hasOwnProperty.call(obj, name); },
+        get: function(receiver, name) { return obj[name]; },
+
+        // bad behavior when set fails in non-strict mode
+        set: function(receiver, name, val) { obj[name] = val; return true; },
+        enumerate: function() {
+            var result = [];
+            for (name in obj) { result.push(name); };
+            return result;
+        },
+        keys: function() { return Object.keys(obj); }
+    };
+}
+
+var hasOwnProperty = ({}).hasOwnProperty;
+
+function hasOwn(obj, name) {
+    return hasOwnProperty.call(obj, name);
+}
+
+function Dict(table, size) {
+    this.table = table || Object.create(null, {});
+    this.size = size || 0;
+}
+
+Dict.create = function(table) {
+    var init = Object.create(null, {});
+    var size = 0;
+    var names = Object.getOwnPropertyNames(table);
+    for (var i = 0, n = names.length; i < n; i++) {
+        var name = names[i];
+        init[name] = table[name];
+        size++;
+    }
+    return new Dict(init, size);
+};
+
+Dict.prototype = {
+    has: function(x) { return hasOwnProperty.call(this.table, x); },
+    set: function(x, v) {
+        if (!hasOwnProperty.call(this.table, x))
+            this.size++;
+        this.table[x] = v;
+    },
+    get: function(x) { return this.table[x]; },
+    getDef: function(x, thunk) {
+        if (!hasOwnProperty.call(this.table, x)) {
+            this.size++;
+            this.table[x] = thunk();
+        }
+        return this.table[x];
+    },
+    forEach: function(f) {
+        var table = this.table;
+        for (var key in table)
+            f.call(this, key, table[key]);
+    },
+    map: function(f) {
+        var table1 = this.table;
+        var table2 = Object.create(null, {});
+        this.forEach(function(key, val) {
+            table2[key] = f.call(this, val, key);
+        });
+        return new Dict(table2, this.size);
+    },
+    mapObject: function(f) {
+        var table1 = this.table;
+        var table2 = Object.create(null, {});
+        this.forEach(function(key, val) {
+            table2[key] = f.call(this, val, key);
+        });
+        return table2;
+    },
+    toObject: function() {
+        return this.mapObject(function(val) { return val; });
+    },
+    choose: function() {
+        return Object.getOwnPropertyNames(this.table)[0];
+    },
+    remove: function(x) {
+        if (hasOwnProperty.call(this.table, x)) {
+            this.size--;
+            delete this.table[x];
+        }
+    },
+    copy: function() {
+        var table = Object.create(null, {});
+        for (var key in this.table)
+            table[key] = this.table[key];
+        return new Dict(table, this.size);
+    },
+    keys: function() {
+        return Object.keys(this.table);
+    },
+    toString: function() { return "[object Dict]" }
+};
+
+var _WeakMap = typeof WeakMap === "function" ? WeakMap : (function() {
+    // shim for ES6 WeakMap with poor asymptotics
+    function WeakMap(array) {
+        this.array = array || [];
+    }
+
+    function searchMap(map, key, found, notFound) {
+        var a = map.array;
+        for (var i = 0, n = a.length; i < n; i++) {
+            var pair = a[i];
+            if (pair.key === key)
+                return found(pair, i);
+        }
+        return notFound();
+    }
+
+    WeakMap.prototype = {
+        has: function(x) {
+            return searchMap(this, x, function() { return true }, function() { return false });
+        },
+        set: function(x, v) {
+            var a = this.array;
+            searchMap(this, x,
+                      function(pair) { pair.value = v },
+                      function() { a.push({ key: x, value: v }) });
+        },
+        get: function(x) {
+            return searchMap(this, x,
+                             function(pair) { return pair.value },
+                             function() { return null });
+        },
+        "delete": function(x) {
+            var a = this.array;
+            searchMap(this, x,
+                      function(pair, i) { a.splice(i, 1) },
+                      function() { });
+        },
+        toString: function() { return "[object WeakMap]" }
+    };
+
+    return WeakMap;
+})();
+
+// non-destructive stack
+function Stack(elts) {
+    this.elts = elts || null;
+}
+
+Stack.prototype = {
+    push: function(x) {
+        return new Stack({ top: x, rest: this.elts });
+    },
+    top: function() {
+        if (!this.elts)
+            throw new Error("empty stack");
+        return this.elts.top;
+    },
+    isEmpty: function() {
+        return this.top === null;
+    },
+    find: function(test) {
+        for (var elts = this.elts; elts; elts = elts.rest) {
+            if (test(elts.top))
+                return elts.top;
+        }
+        return null;
+    },
+    has: function(x) {
+        return Boolean(this.find(function(elt) { return elt === x }));
+    },
+    forEach: function(f) {
+        for (var elts = this.elts; elts; elts = elts.rest) {
+            f(elts.top);
+        }
+    }
+};
+
+if (!Array.prototype.copy) {
+    defineProperty(Array.prototype, "copy",
+                   function() {
+                       var result = [];
+                       for (var i = 0, n = this.length; i < n; i++)
+                           result[i] = this[i];
+                       return result;
+                   }, false, false, true);
+}
+
+if (!Array.prototype.top) {
+    defineProperty(Array.prototype, "top",
+                   function() {
+                       return this.length && this[this.length-1];
+                   }, false, false, true);
+}
+
+exports.tokens = tokens;
+exports.whitespace = whitespace;
+exports.opTypeNames = opTypeNames;
+exports.keywords = keywords;
+exports.mozillaKeywords = mozillaKeywords;
+exports.strictKeywords = strictKeywords;
+exports.isStatementStartCode = isStatementStartCode;
+exports.tokenIds = tokenIds;
+exports.consts = consts;
+exports.assignOps = assignOps;
+exports.defineGetter = defineGetter;
+exports.defineGetterSetter = defineGetterSetter;
+exports.defineMemoGetter = defineMemoGetter;
+exports.defineProperty = defineProperty;
+exports.isNativeCode = isNativeCode;
+exports.apply = apply;
+exports.applyNew = applyNew;
+exports.mixinHandler = mixinHandler;
+exports.whitelistHandler = whitelistHandler;
+exports.blacklistHandler = blacklistHandler;
+exports.makePassthruHandler = makePassthruHandler;
+exports.Dict = Dict;
+exports.WeakMap = _WeakMap;
+exports.Stack = Stack;
+
+});
+/* ***** BEGIN LICENSE BLOCK *****
+ * Version: MPL 1.1/GPL 2.0/LGPL 2.1
+ *
+ * The contents of this file are subject to the Mozilla Public License Version
+ * 1.1 (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.mozilla.org/MPL/
+ *
+ * Software distributed under the License is distributed on an "AS IS" basis,
+ * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
+ * for the specific language governing rights and limitations under the
+ * License.
+ *
+ * The Original Code is the Narcissus JavaScript engine.
+ *
+ * The Initial Developer of the Original Code is
+ * Brendan Eich <brendan@mozilla.org>.
+ * Portions created by the Initial Developer are Copyright (C) 2004
+ * the Initial Developer. All Rights Reserved.
+ *
+ * Contributor(s):
+ *   Tom Austin <taustin@ucsc.edu>
+ *   Brendan Eich <brendan@mozilla.org>
+ *   Shu-Yu Guo <shu@rfrn.org>
+ *   Dave Herman <dherman@mozilla.com>
+ *   Dimitris Vardoulakis <dimvar@ccs.neu.edu>
+ *   Patrick Walton <pcwalton@mozilla.com>
+ *
+ * Alternatively, the contents of this file may be used under the terms of
+ * either the GNU General Public License Version 2 or later (the "GPL"), or
+ * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
+ * in which case the provisions of the GPL or the LGPL are applicable instead
+ * of those above. If you wish to allow use of your version of this file only
+ * under the terms of either the GPL or the LGPL, and not to allow others to
+ * use your version of this file under the terms of the MPL, indicate your
+ * decision by deleting the provisions above and replace them with the notice
+ * and other provisions required by the GPL or the LGPL. If you do not delete
+ * the provisions above, a recipient may use your version of this file under
+ * the terms of any one of the MPL, the GPL or the LGPL.
+ *
+ * ***** END LICENSE BLOCK ***** */
+
+define('ace/narcissus/options', ['require', 'exports', 'module' ], function(require, exports, module) {
+
+// Global variables to hide from the interpreter
+exports.hiddenHostGlobals = { Narcissus: true };
+
+// Desugar SpiderMonkey language extensions?
+exports.desugarExtensions = false;
+
+// Allow HTML comments?
+exports.allowHTMLComments = false;
+
+// Allow non-standard Mozilla extensions?
+exports.mozillaMode = true;
+
+// Allow experimental paren-free mode?
+exports.parenFreeMode = false;
+
+});