nunjucks/browser/nunjucks.js

/*! Browser bundle of nunjucks 2.5.2  */
(function webpackUniversalModuleDefinition(root, factory) {
	if(typeof exports === 'object' && typeof module === 'object')
		module.exports = factory();
	else if(typeof define === 'function' && define.amd)
		define([], factory);
	else if(typeof exports === 'object')
		exports["nunjucks"] = factory();
	else
		root["nunjucks"] = factory();
})(this, function() {
return /******/ (function(modules) { // webpackBootstrap
/******/ 	// The module cache
/******/ 	var installedModules = {};

/******/ 	// The require function
/******/ 	function __webpack_require__(moduleId) {

/******/ 		// Check if module is in cache
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/******/ 			return installedModules[moduleId].exports;

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/******/ 		var module = installedModules[moduleId] = {
/******/ 			exports: {},
/******/ 			id: moduleId,
/******/ 			loaded: false
/******/ 		};

/******/ 		// Execute the module function
/******/ 		modules[moduleId].call(module.exports, module, module.exports, __webpack_require__);

/******/ 		// Flag the module as loaded
/******/ 		module.loaded = true;

/******/ 		// Return the exports of the module
/******/ 		return module.exports;
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/******/ 	__webpack_require__.m = modules;

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/******/ 	__webpack_require__.c = installedModules;

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/******/ 	__webpack_require__.p = "";

/******/ 	// Load entry module and return exports
/******/ 	return __webpack_require__(0);
/******/ })
/************************************************************************/
/******/ ([
/* 0 */
/***/ function(module, exports, __webpack_require__) {

	'use strict';

	var lib = __webpack_require__(1);
	var env = __webpack_require__(2);
	var Loader = __webpack_require__(15);
	var loaders = __webpack_require__(14);
	var precompile = __webpack_require__(3);

	module.exports = {};
	module.exports.Environment = env.Environment;
	module.exports.Template = env.Template;

	module.exports.Loader = Loader;
	module.exports.FileSystemLoader = loaders.FileSystemLoader;
	module.exports.PrecompiledLoader = loaders.PrecompiledLoader;
	module.exports.WebLoader = loaders.WebLoader;

	module.exports.compiler = __webpack_require__(7);
	module.exports.parser = __webpack_require__(8);
	module.exports.lexer = __webpack_require__(9);
	module.exports.runtime = __webpack_require__(12);
	module.exports.lib = lib;
	module.exports.nodes = __webpack_require__(10);

	module.exports.installJinjaCompat = __webpack_require__(18);

	// A single instance of an environment, since this is so commonly used

	var e;
	module.exports.configure = function(templatesPath, opts) {
	    opts = opts || {};
	    if(lib.isObject(templatesPath)) {
	        opts = templatesPath;
	        templatesPath = null;
	    }

	    var TemplateLoader;
	    if(loaders.FileSystemLoader) {
	        TemplateLoader = new loaders.FileSystemLoader(templatesPath, {
	            watch: opts.watch,
	            noCache: opts.noCache
	        });
	    }
	    else if(loaders.WebLoader) {
	        TemplateLoader = new loaders.WebLoader(templatesPath, {
	            useCache: opts.web && opts.web.useCache,
	            async: opts.web && opts.web.async
	        });
	    }

	    e = new env.Environment(TemplateLoader, opts);

	    if(opts && opts.express) {
	        e.express(opts.express);
	    }

	    return e;
	};

	module.exports.compile = function(src, env, path, eagerCompile) {
	    if(!e) {
	        module.exports.configure();
	    }
	    return new module.exports.Template(src, env, path, eagerCompile);
	};

	module.exports.render = function(name, ctx, cb) {
	    if(!e) {
	        module.exports.configure();
	    }

	    return e.render(name, ctx, cb);
	};

	module.exports.renderString = function(src, ctx, cb) {
	    if(!e) {
	        module.exports.configure();
	    }

	    return e.renderString(src, ctx, cb);
	};

	if(precompile) {
	    module.exports.precompile = precompile.precompile;
	    module.exports.precompileString = precompile.precompileString;
	}


/***/ },
/* 1 */
/***/ function(module, exports) {

	'use strict';

	var ArrayProto = Array.prototype;
	var ObjProto = Object.prototype;

	var escapeMap = {
	    '&': '&',
	    '"': '"',
	    '\'': ''',
	    '<': '&lt;',
	    '>': '&gt;'
	};

	var escapeRegex = /[&"'<>]/g;

	var lookupEscape = function(ch) {
	    return escapeMap[ch];
	};

	var exports = module.exports = {};

	exports.prettifyError = function(path, withInternals, err) {
	    // jshint -W022
	    // http://jslinterrors.com/do-not-assign-to-the-exception-parameter
	    if (!err.Update) {
	        // not one of ours, cast it
	        err = new exports.TemplateError(err);
	    }
	    err.Update(path);

	    // Unless they marked the dev flag, show them a trace from here
	    if (!withInternals) {
	        var old = err;
	        err = new Error(old.message);
	        err.name = old.name;
	    }

	    return err;
	};

	exports.TemplateError = function(message, lineno, colno) {
	    var err = this;

	    if (message instanceof Error) { // for casting regular js errors
	        err = message;
	        message = message.name + ': ' + message.message;

	        try {
	            if(err.name = '') {}
	        }
	        catch(e) {
	            // If we can't set the name of the error object in this
	            // environment, don't use it
	            err = this;
	        }
	    } else {
	        if(Error.captureStackTrace) {
	            Error.captureStackTrace(err);
	        }
	    }

	    err.name = 'Template render error';
	    err.message = message;
	    err.lineno = lineno;
	    err.colno = colno;
	    err.firstUpdate = true;

	    err.Update = function(path) {
	        var message = '(' + (path || 'unknown path') + ')';

	        // only show lineno + colno next to path of template
	        // where error occurred
	        if (this.firstUpdate) {
	            if(this.lineno && this.colno) {
	                message += ' [Line ' + this.lineno + ', Column ' + this.colno + ']';
	            }
	            else if(this.lineno) {
	                message += ' [Line ' + this.lineno + ']';
	            }
	        }

	        message += '\n ';
	        if (this.firstUpdate) {
	            message += ' ';
	        }

	        this.message = message + (this.message || '');
	        this.firstUpdate = false;
	        return this;
	    };

	    return err;
	};

	exports.TemplateError.prototype = Error.prototype;

	exports.escape = function(val) {
	  return val.replace(escapeRegex, lookupEscape);
	};

	exports.isFunction = function(obj) {
	    return ObjProto.toString.call(obj) === '[object Function]';
	};

	exports.isArray = Array.isArray || function(obj) {
	    return ObjProto.toString.call(obj) === '[object Array]';
	};

	exports.isString = function(obj) {
	    return ObjProto.toString.call(obj) === '[object String]';
	};

	exports.isObject = function(obj) {
	    return ObjProto.toString.call(obj) === '[object Object]';
	};

	exports.groupBy = function(obj, val) {
	    var result = {};
	    var iterator = exports.isFunction(val) ? val : function(obj) { return obj[val]; };
	    for(var i=0; i<obj.length; i++) {
	        var value = obj[i];
	        var key = iterator(value, i);
	        (result[key] || (result[key] = [])).push(value);
	    }
	    return result;
	};

	exports.toArray = function(obj) {
	    return Array.prototype.slice.call(obj);
	};

	exports.without = function(array) {
	    var result = [];
	    if (!array) {
	        return result;
	    }
	    var index = -1,
	    length = array.length,
	    contains = exports.toArray(arguments).slice(1);

	    while(++index < length) {
	        if(exports.indexOf(contains, array[index]) === -1) {
	            result.push(array[index]);
	        }
	    }
	    return result;
	};

	exports.extend = function(obj, obj2) {
	    for(var k in obj2) {
	        obj[k] = obj2[k];
	    }
	    return obj;
	};

	exports.repeat = function(char_, n) {
	    var str = '';
	    for(var i=0; i<n; i++) {
	        str += char_;
	    }
	    return str;
	};

	exports.each = function(obj, func, context) {
	    if(obj == null) {
	        return;
	    }

	    if(ArrayProto.each && obj.each === ArrayProto.each) {
	        obj.forEach(func, context);
	    }
	    else if(obj.length === +obj.length) {
	        for(var i=0, l=obj.length; i<l; i++) {
	            func.call(context, obj[i], i, obj);
	        }
	    }
	};

	exports.map = function(obj, func) {
	    var results = [];
	    if(obj == null) {
	        return results;
	    }

	    if(ArrayProto.map && obj.map === ArrayProto.map) {
	        return obj.map(func);
	    }

	    for(var i=0; i<obj.length; i++) {
	        results[results.length] = func(obj[i], i);
	    }

	    if(obj.length === +obj.length) {
	        results.length = obj.length;
	    }

	    return results;
	};

	exports.asyncIter = function(arr, iter, cb) {
	    var i = -1;

	    function next() {
	        i++;

	        if(i < arr.length) {
	            iter(arr[i], i, next, cb);
	        }
	        else {
	            cb();
	        }
	    }

	    next();
	};

	exports.asyncFor = function(obj, iter, cb) {
	    var keys = exports.keys(obj);
	    var len = keys.length;
	    var i = -1;

	    function next() {
	        i++;
	        var k = keys[i];

	        if(i < len) {
	            iter(k, obj[k], i, len, next);
	        }
	        else {
	            cb();
	        }
	    }

	    next();
	};

	// https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Array/indexOf#Polyfill
	exports.indexOf = Array.prototype.indexOf ?
	    function (arr, searchElement, fromIndex) {
	        return Array.prototype.indexOf.call(arr, searchElement, fromIndex);
	    } :
	    function (arr, searchElement, fromIndex) {
	        var length = this.length >>> 0; // Hack to convert object.length to a UInt32

	        fromIndex = +fromIndex || 0;

	        if(Math.abs(fromIndex) === Infinity) {
	            fromIndex = 0;
	        }

	        if(fromIndex < 0) {
	            fromIndex += length;
	            if (fromIndex < 0) {
	                fromIndex = 0;
	            }
	        }

	        for(;fromIndex < length; fromIndex++) {
	            if (arr[fromIndex] === searchElement) {
	                return fromIndex;
	            }
	        }

	        return -1;
	    };

	if(!Array.prototype.map) {
	    Array.prototype.map = function() {
	        throw new Error('map is unimplemented for this js engine');
	    };
	}

	exports.keys = function(obj) {
	    if(Object.prototype.keys) {
	        return obj.keys();
	    }
	    else {
	        var keys = [];
	        for(var k in obj) {
	            if(obj.hasOwnProperty(k)) {
	                keys.push(k);
	            }
	        }
	        return keys;
	    }
	};

	exports.inOperator = function (key, val) {
	    if (exports.isArray(val)) {
	        return exports.indexOf(val, key) !== -1;
	    } else if (exports.isObject(val)) {
	        return key in val;
	    } else if (exports.isString(val)) {
	        return val.indexOf(key) !== -1;
	    } else {
	        throw new Error('Cannot use "in" operator to search for "'
	            + key + '" in unexpected types.');
	    }
	};


/***/ },
/* 2 */
/***/ function(module, exports, __webpack_require__) {

	'use strict';

	var path = __webpack_require__(3);
	var asap = __webpack_require__(4);
	var lib = __webpack_require__(1);
	var Obj = __webpack_require__(6);
	var compiler = __webpack_require__(7);
	var builtin_filters = __webpack_require__(13);
	var builtin_loaders = __webpack_require__(14);
	var runtime = __webpack_require__(12);
	var globals = __webpack_require__(17);
	var Frame = runtime.Frame;
	var Template;

	// Unconditionally load in this loader, even if no other ones are
	// included (possible in the slim browser build)
	builtin_loaders.PrecompiledLoader = __webpack_require__(16);

	// If the user is using the async API, *always* call it
	// asynchronously even if the template was synchronous.
	function callbackAsap(cb, err, res) {
	    asap(function() { cb(err, res); });
	}

	var Environment = Obj.extend({
	    init: function(loaders, opts) {
	        // The dev flag determines the trace that'll be shown on errors.
	        // If set to true, returns the full trace from the error point,
	        // otherwise will return trace starting from Template.render
	        // (the full trace from within nunjucks may confuse developers using
	        //  the library)
	        // defaults to false
	        opts = this.opts = opts || {};
	        this.opts.dev = !!opts.dev;

	        // The autoescape flag sets global autoescaping. If true,
	        // every string variable will be escaped by default.
	        // If false, strings can be manually escaped using the `escape` filter.
	        // defaults to true
	        this.opts.autoescape = opts.autoescape != null ? opts.autoescape : true;

	        // If true, this will make the system throw errors if trying
	        // to output a null or undefined value
	        this.opts.throwOnUndefined = !!opts.throwOnUndefined;
	        this.opts.trimBlocks = !!opts.trimBlocks;
	        this.opts.lstripBlocks = !!opts.lstripBlocks;

	        this.loaders = [];

	        if(!loaders) {
	            // The filesystem loader is only available server-side
	            if(builtin_loaders.FileSystemLoader) {
	                this.loaders = [new builtin_loaders.FileSystemLoader('views')];
	            }
	            else if(builtin_loaders.WebLoader) {
	                this.loaders = [new builtin_loaders.WebLoader('/views')];
	            }
	        }
	        else {
	            this.loaders = lib.isArray(loaders) ? loaders : [loaders];
	        }

	        // It's easy to use precompiled templates: just include them
	        // before you configure nunjucks and this will automatically
	        // pick it up and use it
	        if((true) && window.nunjucksPrecompiled) {
	            this.loaders.unshift(
	                new builtin_loaders.PrecompiledLoader(window.nunjucksPrecompiled)
	            );
	        }

	        this.initCache();

	        this.globals = globals();
	        this.filters = {};
	        this.asyncFilters = [];
	        this.extensions = {};
	        this.extensionsList = [];

	        for(var name in builtin_filters) {
	            this.addFilter(name, builtin_filters[name]);
	        }
	    },

	    initCache: function() {
	        // Caching and cache busting
	        lib.each(this.loaders, function(loader) {
	            loader.cache = {};

	            if(typeof loader.on === 'function') {
	                loader.on('update', function(template) {
	                    loader.cache[template] = null;
	                });
	            }
	        });
	    },

	    addExtension: function(name, extension) {
	        extension._name = name;
	        this.extensions[name] = extension;
	        this.extensionsList.push(extension);
	        return this;
	    },

	    removeExtension: function(name) {
	        var extension = this.getExtension(name);
	        if (!extension) return;

	        this.extensionsList = lib.without(this.extensionsList, extension);
	        delete this.extensions[name];
	    },

	    getExtension: function(name) {
	        return this.extensions[name];
	    },

	    hasExtension: function(name) {
	        return !!this.extensions[name];
	    },

	    addGlobal: function(name, value) {
	        this.globals[name] = value;
	        return this;
	    },

	    getGlobal: function(name) {
	        if(typeof this.globals[name] === 'undefined') {
	            throw new Error('global not found: ' + name);
	        }
	        return this.globals[name];
	    },

	    addFilter: function(name, func, async) {
	        var wrapped = func;

	        if(async) {
	            this.asyncFilters.push(name);
	        }
	        this.filters[name] = wrapped;
	        return this;
	    },

	    getFilter: function(name) {
	        if(!this.filters[name]) {
	            throw new Error('filter not found: ' + name);
	        }
	        return this.filters[name];
	    },

	    resolveTemplate: function(loader, parentName, filename) {
	        var isRelative = (loader.isRelative && parentName)? loader.isRelative(filename) : false;
	        return (isRelative && loader.resolve)? loader.resolve(parentName, filename) : filename;
	    },

	    getTemplate: function(name, eagerCompile, parentName, ignoreMissing, cb) {
	        var that = this;
	        var tmpl = null;
	        if(name && name.raw) {
	            // this fixes autoescape for templates referenced in symbols
	            name = name.raw;
	        }

	        if(lib.isFunction(parentName)) {
	            cb = parentName;
	            parentName = null;
	            eagerCompile = eagerCompile || false;
	        }

	        if(lib.isFunction(eagerCompile)) {
	            cb = eagerCompile;
	            eagerCompile = false;
	        }

	        if (name instanceof Template) {
	             tmpl = name;
	        }
	        else if(typeof name !== 'string') {
	            throw new Error('template names must be a string: ' + name);
	        }
	        else {
	            for (var i = 0; i < this.loaders.length; i++) {
	                var _name = this.resolveTemplate(this.loaders[i], parentName, name);
	                tmpl = this.loaders[i].cache[_name];
	                if (tmpl) break;
	            }
	        }

	        if(tmpl) {
	            if(eagerCompile) {
	                tmpl.compile();
	            }

	            if(cb) {
	                cb(null, tmpl);
	            }
	            else {
	                return tmpl;
	            }
	        } else {
	            var syncResult;
	            var _this = this;

	            var createTemplate = function(err, info) {
	                if(!info && !err) {
	                    if(!ignoreMissing) {
	                        err = new Error('template not found: ' + name);
	                    }
	                }

	                if (err) {
	                    if(cb) {
	                        cb(err);
	                    }
	                    else {
	                        throw err;
	                    }
	                }
	                else {
	                    var tmpl;
	                    if(info) {
	                        tmpl = new Template(info.src, _this,
	                                            info.path, eagerCompile);

	                        if(!info.noCache) {
	                            info.loader.cache[name] = tmpl;
	                        }
	                    }
	                    else {
	                        tmpl = new Template('', _this,
	                                            '', eagerCompile);
	                    }

	                    if(cb) {
	                        cb(null, tmpl);
	                    }
	                    else {
	                        syncResult = tmpl;
	                    }
	                }
	            };

	            lib.asyncIter(this.loaders, function(loader, i, next, done) {
	                function handle(err, src) {
	                    if(err) {
	                        done(err);
	                    }
	                    else if(src) {
	                        src.loader = loader;
	                        done(null, src);
	                    }
	                    else {
	                        next();
	                    }
	                }

	                // Resolve name relative to parentName
	                name = that.resolveTemplate(loader, parentName, name);

	                if(loader.async) {
	                    loader.getSource(name, handle);
	                }
	                else {
	                    handle(null, loader.getSource(name));
	                }
	            }, createTemplate);

	            return syncResult;
	        }
	    },

	    express: function(app) {
	        var env = this;

	        function NunjucksView(name, opts) {
	            this.name          = name;
	            this.path          = name;
	            this.defaultEngine = opts.defaultEngine;
	            this.ext           = path.extname(name);
	            if (!this.ext && !this.defaultEngine) throw new Error('No default engine was specified and no extension was provided.');
	            if (!this.ext) this.name += (this.ext = ('.' !== this.defaultEngine[0] ? '.' : '') + this.defaultEngine);
	        }

	        NunjucksView.prototype.render = function(opts, cb) {
	          env.render(this.name, opts, cb);
	        };

	        app.set('view', NunjucksView);
	        app.set('nunjucksEnv', this);
	        return this;
	    },

	    render: function(name, ctx, cb) {
	        if(lib.isFunction(ctx)) {
	            cb = ctx;
	            ctx = null;
	        }

	        // We support a synchronous API to make it easier to migrate
	        // existing code to async. This works because if you don't do
	        // anything async work, the whole thing is actually run
	        // synchronously.
	        var syncResult = null;

	        this.getTemplate(name, function(err, tmpl) {
	            if(err && cb) {
	                callbackAsap(cb, err);
	            }
	            else if(err) {
	                throw err;
	            }
	            else {
	                syncResult = tmpl.render(ctx, cb);
	            }
	        });

	        return syncResult;
	    },

	    renderString: function(src, ctx, opts, cb) {
	        if(lib.isFunction(opts)) {
	            cb = opts;
	            opts = {};
	        }
	        opts = opts || {};

	        var tmpl = new Template(src, this, opts.path);
	        return tmpl.render(ctx, cb);
	    }
	});

	var Context = Obj.extend({
	    init: function(ctx, blocks, env) {
	        // Has to be tied to an environment so we can tap into its globals.
	        this.env = env || new Environment();

	        // Make a duplicate of ctx
	        this.ctx = {};
	        for(var k in ctx) {
	            if(ctx.hasOwnProperty(k)) {
	                this.ctx[k] = ctx[k];
	            }
	        }

	        this.blocks = {};
	        this.exported = [];

	        for(var name in blocks) {
	            this.addBlock(name, blocks[name]);
	        }
	    },

	    lookup: function(name) {
	        // This is one of the most called functions, so optimize for
	        // the typical case where the name isn't in the globals
	        if(name in this.env.globals && !(name in this.ctx)) {
	            return this.env.globals[name];
	        }
	        else {
	            return this.ctx[name];
	        }
	    },

	    setVariable: function(name, val) {
	        this.ctx[name] = val;
	    },

	    getVariables: function() {
	        return this.ctx;
	    },

	    addBlock: function(name, block) {
	        this.blocks[name] = this.blocks[name] || [];
	        this.blocks[name].push(block);
	        return this;
	    },

	    getBlock: function(name) {
	        if(!this.blocks[name]) {
	            throw new Error('unknown block "' + name + '"');
	        }

	        return this.blocks[name][0];
	    },

	    getSuper: function(env, name, block, frame, runtime, cb) {
	        var idx = lib.indexOf(this.blocks[name] || [], block);
	        var blk = this.blocks[name][idx + 1];
	        var context = this;

	        if(idx === -1 || !blk) {
	            throw new Error('no super block available for "' + name + '"');
	        }

	        blk(env, context, frame, runtime, cb);
	    },

	    addExport: function(name) {
	        this.exported.push(name);
	    },

	    getExported: function() {
	        var exported = {};
	        for(var i=0; i<this.exported.length; i++) {
	            var name = this.exported[i];
	            exported[name] = this.ctx[name];
	        }
	        return exported;
	    }
	});

	Template = Obj.extend({
	    init: function (src, env, path, eagerCompile) {
	        this.env = env || new Environment();

	        if(lib.isObject(src)) {
	            switch(src.type) {
	            case 'code': this.tmplProps = src.obj; break;
	            case 'string': this.tmplStr = src.obj; break;
	            }
	        }
	        else if(lib.isString(src)) {
	            this.tmplStr = src;
	        }
	        else {
	            throw new Error('src must be a string or an object describing ' +
	                            'the source');
	        }

	        this.path = path;

	        if(eagerCompile) {
	            var _this = this;
	            try {
	                _this._compile();
	            }
	            catch(err) {
	                throw lib.prettifyError(this.path, this.env.opts.dev, err);
	            }
	        }
	        else {
	            this.compiled = false;
	        }
	    },

	    render: function(ctx, parentFrame, cb) {
	        if (typeof ctx === 'function') {
	            cb = ctx;
	            ctx = {};
	        }
	        else if (typeof parentFrame === 'function') {
	            cb = parentFrame;
	            parentFrame = null;
	        }

	        var forceAsync = true;
	        if(parentFrame) {
	            // If there is a frame, we are being called from internal
	            // code of another template, and the internal system
	            // depends on the sync/async nature of the parent template
	            // to be inherited, so force an async callback
	            forceAsync = false;
	        }

	        var _this = this;
	        // Catch compile errors for async rendering
	        try {
	            _this.compile();
	        } catch (_err) {
	            var err = lib.prettifyError(this.path, this.env.opts.dev, _err);
	            if (cb) return callbackAsap(cb, err);
	            else throw err;
	        }

	        var context = new Context(ctx || {}, _this.blocks, _this.env);
	        var frame = parentFrame ? parentFrame.push(true) : new Frame();
	        frame.topLevel = true;
	        var syncResult = null;

	        _this.rootRenderFunc(
	            _this.env,
	            context,
	            frame || new Frame(),
	            runtime,
	            function(err, res) {
	                if(err) {
	                    err = lib.prettifyError(_this.path, _this.env.opts.dev, err);
	                }

	                if(cb) {
	                    if(forceAsync) {
	                        callbackAsap(cb, err, res);
	                    }
	                    else {
	                        cb(err, res);
	                    }
	                }
	                else {
	                    if(err) { throw err; }
	                    syncResult = res;
	                }
	            }
	        );

	        return syncResult;
	    },


	    getExported: function(ctx, parentFrame, cb) {
	        if (typeof ctx === 'function') {
	            cb = ctx;
	            ctx = {};
	        }

	        if (typeof parentFrame === 'function') {
	            cb = parentFrame;
	            parentFrame = null;
	        }

	        // Catch compile errors for async rendering
	        try {
	            this.compile();
	        } catch (e) {
	            if (cb) return cb(e);
	            else throw e;
	        }

	        var frame = parentFrame ? parentFrame.push() : new Frame();
	        frame.topLevel = true;

	        // Run the rootRenderFunc to populate the context with exported vars
	        var context = new Context(ctx || {}, this.blocks, this.env);
	        this.rootRenderFunc(this.env,
	                            context,
	                            frame,
	                            runtime,
	                            function(err) {
	        		        if ( err ) {
	        			    cb(err, null);
	        		        } else {
	        			    cb(null, context.getExported());
	        		        }
	                            });
	    },

	    compile: function() {
	        if(!this.compiled) {
	            this._compile();
	        }
	    },

	    _compile: function() {
	        var props;

	        if(this.tmplProps) {
	            props = this.tmplProps;
	        }
	        else {
	            var source = compiler.compile(this.tmplStr,
	                                          this.env.asyncFilters,
	                                          this.env.extensionsList,
	                                          this.path,
	                                          this.env.opts);

	            /* jslint evil: true */
	            var func = new Function(source);
	            props = func();
	        }

	        this.blocks = this._getBlocks(props);
	        this.rootRenderFunc = props.root;
	        this.compiled = true;
	    },

	    _getBlocks: function(props) {
	        var blocks = {};

	        for(var k in props) {
	            if(k.slice(0, 2) === 'b_') {
	                blocks[k.slice(2)] = props[k];
	            }
	        }

	        return blocks;
	    }
	});

	module.exports = {
	    Environment: Environment,
	    Template: Template
	};


/***/ },
/* 3 */
/***/ function(module, exports) {

	

/***/ },
/* 4 */
/***/ function(module, exports, __webpack_require__) {

	"use strict";

	// rawAsap provides everything we need except exception management.
	var rawAsap = __webpack_require__(5);
	// RawTasks are recycled to reduce GC churn.
	var freeTasks = [];
	// We queue errors to ensure they are thrown in right order (FIFO).
	// Array-as-queue is good enough here, since we are just dealing with exceptions.
	var pendingErrors = [];
	var requestErrorThrow = rawAsap.makeRequestCallFromTimer(throwFirstError);

	function throwFirstError() {
	    if (pendingErrors.length) {
	        throw pendingErrors.shift();
	    }
	}

	/**
	 * Calls a task as soon as possible after returning, in its own event, with priority
	 * over other events like animation, reflow, and repaint. An error thrown from an
	 * event will not interrupt, nor even substantially slow down the processing of
	 * other events, but will be rather postponed to a lower priority event.
	 * @param {{call}} task A callable object, typically a function that takes no
	 * arguments.
	 */
	module.exports = asap;
	function asap(task) {
	    var rawTask;
	    if (freeTasks.length) {
	        rawTask = freeTasks.pop();
	    } else {
	        rawTask = new RawTask();
	    }
	    rawTask.task = task;
	    rawAsap(rawTask);
	}

	// We wrap tasks with recyclable task objects.  A task object implements
	// `call`, just like a function.
	function RawTask() {
	    this.task = null;
	}

	// The sole purpose of wrapping the task is to catch the exception and recycle
	// the task object after its single use.
	RawTask.prototype.call = function () {
	    try {
	        this.task.call();
	    } catch (error) {
	        if (asap.onerror) {
	            // This hook exists purely for testing purposes.
	            // Its name will be periodically randomized to break any code that
	            // depends on its existence.
	            asap.onerror(error);
	        } else {
	            // In a web browser, exceptions are not fatal. However, to avoid
	            // slowing down the queue of pending tasks, we rethrow the error in a
	            // lower priority turn.
	            pendingErrors.push(error);
	            requestErrorThrow();
	        }
	    } finally {
	        this.task = null;
	        freeTasks[freeTasks.length] = this;
	    }
	};


/***/ },
/* 5 */
/***/ function(module, exports) {

	/* WEBPACK VAR INJECTION */(function(global) {"use strict";

	// Use the fastest means possible to execute a task in its own turn, with
	// priority over other events including IO, animation, reflow, and redraw
	// events in browsers.
	//
	// An exception thrown by a task will permanently interrupt the processing of
	// subsequent tasks. The higher level `asap` function ensures that if an
	// exception is thrown by a task, that the task queue will continue flushing as
	// soon as possible, but if you use `rawAsap` directly, you are responsible to
	// either ensure that no exceptions are thrown from your task, or to manually
	// call `rawAsap.requestFlush` if an exception is thrown.
	module.exports = rawAsap;
	function rawAsap(task) {
	    if (!queue.length) {
	        requestFlush();
	        flushing = true;
	    }
	    // Equivalent to push, but avoids a function call.
	    queue[queue.length] = task;
	}

	var queue = [];
	// Once a flush has been requested, no further calls to `requestFlush` are
	// necessary until the next `flush` completes.
	var flushing = false;
	// `requestFlush` is an implementation-specific method that attempts to kick
	// off a `flush` event as quickly as possible. `flush` will attempt to exhaust
	// the event queue before yielding to the browser's own event loop.
	var requestFlush;
	// The position of the next task to execute in the task queue. This is
	// preserved between calls to `flush` so that it can be resumed if
	// a task throws an exception.
	var index = 0;
	// If a task schedules additional tasks recursively, the task queue can grow
	// unbounded. To prevent memory exhaustion, the task queue will periodically
	// truncate already-completed tasks.
	var capacity = 1024;

	// The flush function processes all tasks that have been scheduled with
	// `rawAsap` unless and until one of those tasks throws an exception.
	// If a task throws an exception, `flush` ensures that its state will remain
	// consistent and will resume where it left off when called again.
	// However, `flush` does not make any arrangements to be called again if an
	// exception is thrown.
	function flush() {
	    while (index < queue.length) {
	        var currentIndex = index;
	        // Advance the index before calling the task. This ensures that we will
	        // begin flushing on the next task the task throws an error.
	        index = index + 1;
	        queue[currentIndex].call();
	        // Prevent leaking memory for long chains of recursive calls to `asap`.
	        // If we call `asap` within tasks scheduled by `asap`, the queue will
	        // grow, but to avoid an O(n) walk for every task we execute, we don't
	        // shift tasks off the queue after they have been executed.
	        // Instead, we periodically shift 1024 tasks off the queue.
	        if (index > capacity) {
	            // Manually shift all values starting at the index back to the
	            // beginning of the queue.
	            for (var scan = 0, newLength = queue.length - index; scan < newLength; scan++) {
	                queue[scan] = queue[scan + index];
	            }
	            queue.length -= index;
	            index = 0;
	        }
	    }
	    queue.length = 0;
	    index = 0;
	    flushing = false;
	}

	// `requestFlush` is implemented using a strategy based on data collected from
	// every available SauceLabs Selenium web driver worker at time of writing.
	// https://docs.google.com/spreadsheets/d/1mG-5UYGup5qxGdEMWkhP6BWCz053NUb2E1QoUTU16uA/edit#gid=783724593

	// Safari 6 and 6.1 for desktop, iPad, and iPhone are the only browsers that
	// have WebKitMutationObserver but not un-prefixed MutationObserver.
	// Must use `global` instead of `window` to work in both frames and web
	// workers. `global` is a provision of Browserify, Mr, Mrs, or Mop.
	var BrowserMutationObserver = global.MutationObserver || global.WebKitMutationObserver;

	// MutationObservers are desirable because they have high priority and work
	// reliably everywhere they are implemented.
	// They are implemented in all modern browsers.
	//
	// - Android 4-4.3
	// - Chrome 26-34
	// - Firefox 14-29
	// - Internet Explorer 11
	// - iPad Safari 6-7.1
	// - iPhone Safari 7-7.1
	// - Safari 6-7
	if (typeof BrowserMutationObserver === "function") {
	    requestFlush = makeRequestCallFromMutationObserver(flush);

	// MessageChannels are desirable because they give direct access to the HTML
	// task queue, are implemented in Internet Explorer 10, Safari 5.0-1, and Opera
	// 11-12, and in web workers in many engines.
	// Although message channels yield to any queued rendering and IO tasks, they
	// would be better than imposing the 4ms delay of timers.
	// However, they do not work reliably in Internet Explorer or Safari.

	// Internet Explorer 10 is the only browser that has setImmediate but does
	// not have MutationObservers.
	// Although setImmediate yields to the browser's renderer, it would be
	// preferrable to falling back to setTimeout since it does not have
	// the minimum 4ms penalty.
	// Unfortunately there appears to be a bug in Internet Explorer 10 Mobile (and
	// Desktop to a lesser extent) that renders both setImmediate and
	// MessageChannel useless for the purposes of ASAP.
	// https://github.com/kriskowal/q/issues/396

	// Timers are implemented universally.
	// We fall back to timers in workers in most engines, and in foreground
	// contexts in the following browsers.
	// However, note that even this simple case requires nuances to operate in a
	// broad spectrum of browsers.
	//
	// - Firefox 3-13
	// - Internet Explorer 6-9
	// - iPad Safari 4.3
	// - Lynx 2.8.7
	} else {
	    requestFlush = makeRequestCallFromTimer(flush);
	}

	// `requestFlush` requests that the high priority event queue be flushed as
	// soon as possible.
	// This is useful to prevent an error thrown in a task from stalling the event
	// queue if the exception handled by Node.js’s
	// `process.on("uncaughtException")` or by a domain.
	rawAsap.requestFlush = requestFlush;

	// To request a high priority event, we induce a mutation observer by toggling
	// the text of a text node between "1" and "-1".
	function makeRequestCallFromMutationObserver(callback) {
	    var toggle = 1;
	    var observer = new BrowserMutationObserver(callback);
	    var node = document.createTextNode("");
	    observer.observe(node, {characterData: true});
	    return function requestCall() {
	        toggle = -toggle;
	        node.data = toggle;
	    };
	}

	// The message channel technique was discovered by Malte Ubl and was the
	// original foundation for this library.
	// http://www.nonblocking.io/2011/06/windownexttick.html

	// Safari 6.0.5 (at least) intermittently fails to create message ports on a
	// page's first load. Thankfully, this version of Safari supports
	// MutationObservers, so we don't need to fall back in that case.

	// function makeRequestCallFromMessageChannel(callback) {
	//     var channel = new MessageChannel();
	//     channel.port1.onmessage = callback;
	//     return function requestCall() {
	//         channel.port2.postMessage(0);
	//     };
	// }

	// For reasons explained above, we are also unable to use `setImmediate`
	// under any circumstances.
	// Even if we were, there is another bug in Internet Explorer 10.
	// It is not sufficient to assign `setImmediate` to `requestFlush` because
	// `setImmediate` must be called *by name* and therefore must be wrapped in a
	// closure.
	// Never forget.

	// function makeRequestCallFromSetImmediate(callback) {
	//     return function requestCall() {
	//         setImmediate(callback);
	//     };
	// }

	// Safari 6.0 has a problem where timers will get lost while the user is
	// scrolling. This problem does not impact ASAP because Safari 6.0 supports
	// mutation observers, so that implementation is used instead.
	// However, if we ever elect to use timers in Safari, the prevalent work-around
	// is to add a scroll event listener that calls for a flush.

	// `setTimeout` does not call the passed callback if the delay is less than
	// approximately 7 in web workers in Firefox 8 through 18, and sometimes not
	// even then.

	function makeRequestCallFromTimer(callback) {
	    return function requestCall() {
	        // We dispatch a timeout with a specified delay of 0 for engines that
	        // can reliably accommodate that request. This will usually be snapped
	        // to a 4 milisecond delay, but once we're flushing, there's no delay
	        // between events.
	        var timeoutHandle = setTimeout(handleTimer, 0);
	        // However, since this timer gets frequently dropped in Firefox
	        // workers, we enlist an interval handle that will try to fire
	        // an event 20 times per second until it succeeds.
	        var intervalHandle = setInterval(handleTimer, 50);

	        function handleTimer() {
	            // Whichever timer succeeds will cancel both timers and
	            // execute the callback.
	            clearTimeout(timeoutHandle);
	            clearInterval(intervalHandle);
	            callback();
	        }
	    };
	}

	// This is for `asap.js` only.
	// Its name will be periodically randomized to break any code that depends on
	// its existence.
	rawAsap.makeRequestCallFromTimer = makeRequestCallFromTimer;

	// ASAP was originally a nextTick shim included in Q. This was factored out
	// into this ASAP package. It was later adapted to RSVP which made further
	// amendments. These decisions, particularly to marginalize MessageChannel and
	// to capture the MutationObserver implementation in a closure, were integrated
	// back into ASAP proper.
	// https://github.com/tildeio/rsvp.js/blob/cddf7232546a9cf858524b75cde6f9edf72620a7/lib/rsvp/asap.js

	/* WEBPACK VAR INJECTION */}.call(exports, (function() { return this; }())))

/***/ },
/* 6 */
/***/ function(module, exports) {

	'use strict';

	// A simple class system, more documentation to come

	function extend(cls, name, props) {
	    // This does that same thing as Object.create, but with support for IE8
	    var F = function() {};
	    F.prototype = cls.prototype;
	    var prototype = new F();

	    // jshint undef: false
	    var fnTest = /xyz/.test(function(){ xyz; }) ? /\bparent\b/ : /.*/;
	    props = props || {};

	    for(var k in props) {
	        var src = props[k];
	        var parent = prototype[k];

	        if(typeof parent === 'function' &&
	           typeof src === 'function' &&
	           fnTest.test(src)) {
	            /*jshint -W083 */
	            prototype[k] = (function (src, parent) {
	                return function() {
	                    // Save the current parent method
	                    var tmp = this.parent;

	                    // Set parent to the previous method, call, and restore
	                    this.parent = parent;
	                    var res = src.apply(this, arguments);
	                    this.parent = tmp;

	                    return res;
	                };
	            })(src, parent);
	        }
	        else {
	            prototype[k] = src;
	        }
	    }

	    prototype.typename = name;

	    var new_cls = function() {
	        if(prototype.init) {
	            prototype.init.apply(this, arguments);
	        }
	    };

	    new_cls.prototype = prototype;
	    new_cls.prototype.constructor = new_cls;

	    new_cls.extend = function(name, props) {
	        if(typeof name === 'object') {
	            props = name;
	            name = 'anonymous';
	        }
	        return extend(new_cls, name, props);
	    };

	    return new_cls;
	}

	module.exports = extend(Object, 'Object', {});


/***/ },
/* 7 */
/***/ function(module, exports, __webpack_require__) {

	'use strict';

	var lib = __webpack_require__(1);
	var parser = __webpack_require__(8);
	var transformer = __webpack_require__(11);
	var nodes = __webpack_require__(10);
	// jshint -W079
	var Object = __webpack_require__(6);
	var Frame = __webpack_require__(12).Frame;

	// These are all the same for now, but shouldn't be passed straight
	// through
	var compareOps = {
	    '==': '==',
	    '===': '===',
	    '!=': '!=',
	    '!==': '!==',
	    '<': '<',
	    '>': '>',
	    '<=': '<=',
	    '>=': '>='
	};

	// A common pattern is to emit binary operators
	function binOpEmitter(str) {
	    return function(node, frame) {
	        this.compile(node.left, frame);
	        this.emit(str);
	        this.compile(node.right, frame);
	    };
	}

	var Compiler = Object.extend({
	    init: function(templateName, throwOnUndefined) {
	        this.templateName = templateName;
	        this.codebuf = [];
	        this.lastId = 0;
	        this.buffer = null;
	        this.bufferStack = [];
	        this.scopeClosers = '';
	        this.inBlock = false;
	        this.throwOnUndefined = throwOnUndefined;
	    },

	    fail: function (msg, lineno, colno) {
	        if (lineno !== undefined) lineno += 1;
	        if (colno !== undefined) colno += 1;

	        throw new lib.TemplateError(msg, lineno, colno);
	    },

	    pushBufferId: function(id) {
	        this.bufferStack.push(this.buffer);
	        this.buffer = id;
	        this.emit('var ' + this.buffer + ' = "";');
	    },

	    popBufferId: function() {
	        this.buffer = this.bufferStack.pop();
	    },

	    emit: function(code) {
	        this.codebuf.push(code);
	    },

	    emitLine: function(code) {
	        this.emit(code + '\n');
	    },

	    emitLines: function() {
	        lib.each(lib.toArray(arguments), function(line) {
	            this.emitLine(line);
	        }, this);
	    },

	    emitFuncBegin: function(name) {
	        this.buffer = 'output';
	        this.scopeClosers = '';
	        this.emitLine('function ' + name + '(env, context, frame, runtime, cb) {');
	        this.emitLine('var lineno = null;');
	        this.emitLine('var colno = null;');
	        this.emitLine('var ' + this.buffer + ' = "";');
	        this.emitLine('try {');
	    },

	    emitFuncEnd: function(noReturn) {
	        if(!noReturn) {
	            this.emitLine('cb(null, ' + this.buffer +');');
	        }

	        this.closeScopeLevels();
	        this.emitLine('} catch (e) {');
	        this.emitLine('  cb(runtime.handleError(e, lineno, colno));');
	        this.emitLine('}');
	        this.emitLine('}');
	        this.buffer = null;
	    },

	    addScopeLevel: function() {
	        this.scopeClosers += '})';
	    },

	    closeScopeLevels: function() {
	        this.emitLine(this.scopeClosers + ';');
	        this.scopeClosers = '';
	    },

	    withScopedSyntax: function(func) {
	        var scopeClosers = this.scopeClosers;
	        this.scopeClosers = '';

	        func.call(this);

	        this.closeScopeLevels();
	        this.scopeClosers = scopeClosers;
	    },

	    makeCallback: function(res) {
	        var err = this.tmpid();

	        return 'function(' + err + (res ? ',' + res : '') + ') {\n' +
	            'if(' + err + ') { cb(' + err + '); return; }';
	    },

	    tmpid: function() {
	        this.lastId++;
	        return 't_' + this.lastId;
	    },

	    _templateName: function() {
	        return this.templateName == null? 'undefined' : JSON.stringify(this.templateName);
	    },

	    _compileChildren: function(node, frame) {
	        var children = node.children;
	        for(var i=0, l=children.length; i<l; i++) {
	            this.compile(children[i], frame);
	        }
	    },

	    _compileAggregate: function(node, frame, startChar, endChar) {
	        if(startChar) {
	            this.emit(startChar);
	        }

	        for(var i=0; i<node.children.length; i++) {
	            if(i > 0) {
	                this.emit(',');
	            }

	            this.compile(node.children[i], frame);
	        }

	        if(endChar) {
	            this.emit(endChar);
	        }
	    },

	    _compileExpression: function(node, frame) {
	        // TODO: I'm not really sure if this type check is worth it or
	        // not.
	        this.assertType(
	            node,
	            nodes.Literal,
	            nodes.Symbol,
	            nodes.Group,
	            nodes.Array,
	            nodes.Dict,
	            nodes.FunCall,
	            nodes.Caller,
	            nodes.Filter,
	            nodes.LookupVal,
	            nodes.Compare,
	            nodes.InlineIf,
	            nodes.In,
	            nodes.And,
	            nodes.Or,
	            nodes.Not,
	            nodes.Add,
	            nodes.Concat,
	            nodes.Sub,
	            nodes.Mul,
	            nodes.Div,
	            nodes.FloorDiv,
	            nodes.Mod,
	            nodes.Pow,
	            nodes.Neg,
	            nodes.Pos,
	            nodes.Compare,
	            nodes.NodeList
	        );
	        this.compile(node, frame);
	    },

	    assertType: function(node /*, types */) {
	        var types = lib.toArray(arguments).slice(1);
	        var success = false;

	        for(var i=0; i<types.length; i++) {
	            if(node instanceof types[i]) {
	                success = true;
	            }
	        }

	        if(!success) {
	            this.fail('assertType: invalid type: ' + node.typename,
	                      node.lineno,
	                      node.colno);
	        }
	    },

	    compileCallExtension: function(node, frame, async) {
	        var args = node.args;
	        var contentArgs = node.contentArgs;
	        var autoescape = typeof node.autoescape === 'boolean' ? node.autoescape : true;

	        if(!async) {
	            this.emit(this.buffer + ' += runtime.suppressValue(');
	        }

	        this.emit('env.getExtension("' + node.extName + '")["' + node.prop + '"](');
	        this.emit('context');

	        if(args || contentArgs) {
	            this.emit(',');
	        }

	        if(args) {
	            if(!(args instanceof nodes.NodeList)) {
	                this.fail('compileCallExtension: arguments must be a NodeList, ' +
	                          'use `parser.parseSignature`');
	            }

	            lib.each(args.children, function(arg, i) {
	                // Tag arguments are passed normally to the call. Note
	                // that keyword arguments are turned into a single js
	                // object as the last argument, if they exist.
	                this._compileExpression(arg, frame);

	                if(i !== args.children.length - 1 || contentArgs.length) {
	                    this.emit(',');
	                }
	            }, this);
	        }

	        if(contentArgs.length) {
	            lib.each(contentArgs, function(arg, i) {
	                if(i > 0) {
	                    this.emit(',');
	                }

	                if(arg) {
	                    var id = this.tmpid();

	                    this.emitLine('function(cb) {');
	                    this.emitLine('if(!cb) { cb = function(err) { if(err) { throw err; }}}');
	                    this.pushBufferId(id);

	                    this.withScopedSyntax(function() {
	                        this.compile(arg, frame);
	                        this.emitLine('cb(null, ' + id + ');');
	                    });

	                    this.popBufferId();
	                    this.emitLine('return ' + id + ';');
	                    this.emitLine('}');
	                }
	                else {
	                    this.emit('null');
	                }
	            }, this);
	        }

	        if(async) {
	            var res = this.tmpid();
	            this.emitLine(', ' + this.makeCallback(res));
	            this.emitLine(this.buffer + ' += runtime.suppressValue(' + res + ', ' + autoescape + ' && env.opts.autoescape);');
	            this.addScopeLevel();
	        }
	        else {
	            this.emit(')');
	            this.emit(', ' + autoescape + ' && env.opts.autoescape);\n');
	        }
	    },

	    compileCallExtensionAsync: function(node, frame) {
	        this.compileCallExtension(node, frame, true);
	    },

	    compileNodeList: function(node, frame) {
	        this._compileChildren(node, frame);
	    },

	    compileLiteral: function(node) {
	        if(typeof node.value === 'string') {
	            var val = node.value.replace(/\\/g, '\\\\');
	            val = val.replace(/"/g, '\\"');
	            val = val.replace(/\n/g, '\\n');
	            val = val.replace(/\r/g, '\\r');
	            val = val.replace(/\t/g, '\\t');
	            this.emit('"' + val  + '"');
	        }
	        else if (node.value === null) {
	            this.emit('null');
	        }
	        else {
	            this.emit(node.value.toString());
	        }
	    },

	    compileSymbol: function(node, frame) {
	        var name = node.value;
	        var v;

	        if((v = frame.lookup(name))) {
	            this.emit(v);
	        }
	        else {
	            this.emit('runtime.contextOrFrameLookup(' +
	                      'context, frame, "' + name + '")');
	        }
	    },

	    compileGroup: function(node, frame) {
	        this._compileAggregate(node, frame, '(', ')');
	    },

	    compileArray: function(node, frame) {
	        this._compileAggregate(node, frame, '[', ']');
	    },

	    compileDict: function(node, frame) {
	        this._compileAggregate(node, frame, '{', '}');
	    },

	    compilePair: function(node, frame) {
	        var key = node.key;
	        var val = node.value;

	        if(key instanceof nodes.Symbol) {
	            key = new nodes.Literal(key.lineno, key.colno, key.value);
	        }
	        else if(!(key instanceof nodes.Literal &&
	                  typeof key.value === 'string')) {
	            this.fail('compilePair: Dict keys must be strings or names',
	                      key.lineno,
	                      key.colno);
	        }

	        this.compile(key, frame);
	        this.emit(': ');
	        this._compileExpression(val, frame);
	    },

	    compileInlineIf: function(node, frame) {
	        this.emit('(');
	        this.compile(node.cond, frame);
	        this.emit('?');
	        this.compile(node.body, frame);
	        this.emit(':');
	        if(node.else_ !== null)
	            this.compile(node.else_, frame);
	        else
	            this.emit('""');
	        this.emit(')');
	    },

	    compileIn: function(node, frame) {
	      this.emit('runtime.inOperator(');
	      this.compile(node.left, frame);
	      this.emit(',');
	      this.compile(node.right, frame);
	      this.emit(')');
	    },

	    compileOr: binOpEmitter(' || '),
	    compileAnd: binOpEmitter(' && '),
	    compileAdd: binOpEmitter(' + '),
	    // ensure concatenation instead of addition
	    // by adding empty string in between
	    compileConcat: binOpEmitter(' + "" + '),
	    compileSub: binOpEmitter(' - '),
	    compileMul: binOpEmitter(' * '),
	    compileDiv: binOpEmitter(' / '),
	    compileMod: binOpEmitter(' % '),

	    compileNot: function(node, frame) {
	        this.emit('!');
	        this.compile(node.target, frame);
	    },

	    compileFloorDiv: function(node, frame) {
	        this.emit('Math.floor(');
	        this.compile(node.left, frame);
	        this.emit(' / ');
	        this.compile(node.right, frame);
	        this.emit(')');
	    },

	    compilePow: function(node, frame) {
	        this.emit('Math.pow(');
	        this.compile(node.left, frame);
	        this.emit(', ');
	        this.compile(node.right, frame);
	        this.emit(')');
	    },

	    compileNeg: function(node, frame) {
	        this.emit('-');
	        this.compile(node.target, frame);
	    },

	    compilePos: function(node, frame) {
	        this.emit('+');
	        this.compile(node.target, frame);
	    },

	    compileCompare: function(node, frame) {
	        this.compile(node.expr, frame);

	        for(var i=0; i<node.ops.length; i++) {
	            var n = node.ops[i];
	            this.emit(' ' + compareOps[n.type] + ' ');
	            this.compile(n.expr, frame);
	        }
	    },

	    compileLookupVal: function(node, frame) {
	        this.emit('runtime.memberLookup((');
	        this._compileExpression(node.target, frame);
	        this.emit('),');
	        this._compileExpression(node.val, frame);
	        this.emit(')');
	    },

	    _getNodeName: function(node) {
	        switch (node.typename) {
	            case 'Symbol':
	                return node.value;
	            case 'FunCall':
	                return 'the return value of (' + this._getNodeName(node.name) + ')';
	            case 'LookupVal':
	                return this._getNodeName(node.target) + '["' +
	                       this._getNodeName(node.val) + '"]';
	            case 'Literal':
	                return node.value.toString();
	            default:
	                return '--expression--';
	        }
	    },

	    compileFunCall: function(node, frame) {
	        // Keep track of line/col info at runtime by settings
	        // variables within an expression. An expression in javascript
	        // like (x, y, z) returns the last value, and x and y can be
	        // anything
	        this.emit('(lineno = ' + node.lineno +
	                  ', colno = ' + node.colno + ', ');

	        this.emit('runtime.callWrap(');
	        // Compile it as normal.
	        this._compileExpression(node.name, frame);

	        // Output the name of what we're calling so we can get friendly errors
	        // if the lookup fails.
	        this.emit(', "' + this._getNodeName(node.name).replace(/"/g, '\\"') + '", context, ');

	        this._compileAggregate(node.args, frame, '[', '])');

	        this.emit(')');
	    },

	    compileFilter: function(node, frame) {
	        var name = node.name;
	        this.assertType(name, nodes.Symbol);
	        this.emit('env.getFilter("' + name.value + '").call(context, ');
	        this._compileAggregate(node.args, frame);
	        this.emit(')');
	    },

	    compileFilterAsync: function(node, frame) {
	        var name = node.name;
	        this.assertType(name, nodes.Symbol);

	        var symbol = node.symbol.value;
	        frame.set(symbol, symbol);

	        this.emit('env.getFilter("' + name.value + '").call(context, ');
	        this._compileAggregate(node.args, frame);
	        this.emitLine(', ' + this.makeCallback(symbol));

	        this.addScopeLevel();
	    },

	    compileKeywordArgs: function(node, frame) {
	        var names = [];

	        lib.each(node.children, function(pair) {
	            names.push(pair.key.value);
	        });

	        this.emit('runtime.makeKeywordArgs(');
	        this.compileDict(node, frame);
	        this.emit(')');
	    },

	    compileSet: function(node, frame) {
	        var ids = [];

	        // Lookup the variable names for each identifier and create
	        // new ones if necessary
	        lib.each(node.targets, function(target) {
	            var name = target.value;
	            var id = frame.lookup(name);

	            if (id === null || id === undefined) {
	                id = this.tmpid();

	                // Note: This relies on js allowing scope across
	                // blocks, in case this is created inside an `if`
	                this.emitLine('var ' + id + ';');
	            }

	            ids.push(id);
	        }, this);

	        if (node.value) {
	          this.emit(ids.join(' = ') + ' = ');
	          this._compileExpression(node.value, frame);
	          this.emitLine(';');
	        }
	        else {
	          this.emit(ids.join(' = ') + ' = ');
	          this.compile(node.body, frame);
	          this.emitLine(';');
	        }

	        lib.each(node.targets, function(target, i) {
	            var id = ids[i];
	            var name = target.value;

	            // We are running this for every var, but it's very
	            // uncommon to assign to multiple vars anyway
	            this.emitLine('frame.set("' + name + '", ' + id + ', true);');

	            this.emitLine('if(frame.topLevel) {');
	            this.emitLine('context.setVariable("' + name + '", ' + id + ');');
	            this.emitLine('}');

	            if(name.charAt(0) !== '_') {
	                this.emitLine('if(frame.topLevel) {');
	                this.emitLine('context.addExport("' + name + '", ' + id + ');');
	                this.emitLine('}');
	            }
	        }, this);
	    },

	    compileIf: function(node, frame, async) {
	        this.emit('if(');
	        this._compileExpression(node.cond, frame);
	        this.emitLine(') {');

	        this.withScopedSyntax(function() {
	            this.compile(node.body, frame);

	            if(async) {
	                this.emit('cb()');
	            }
	        });

	        if(node.else_) {
	            this.emitLine('}\nelse {');

	            this.withScopedSyntax(function() {
	                this.compile(node.else_, frame);

	                if(async) {
	                    this.emit('cb()');
	                }
	            });
	        } else if(async) {
	            this.emitLine('}\nelse {');
	            this.emit('cb()');
	        }

	        this.emitLine('}');
	    },

	    compileIfAsync: function(node, frame) {
	        this.emit('(function(cb) {');
	        this.compileIf(node, frame, true);
	        this.emit('})(' + this.makeCallback());
	        this.addScopeLevel();
	    },

	    emitLoopBindings: function(node, arr, i, len) {
	        var bindings = {
	            index: i + ' + 1',
	            index0: i,
	            revindex: len + ' - ' + i,
	            revindex0: len + ' - ' + i + ' - 1',
	            first: i + ' === 0',
	            last: i + ' === ' + len + ' - 1',
	            length: len
	        };

	        for (var name in bindings) {
	            this.emitLine('frame.set("loop.' + name + '", ' + bindings[name] + ');');
	        }
	    },

	    compileFor: function(node, frame) {
	        // Some of this code is ugly, but it keeps the generated code
	        // as fast as possible. ForAsync also shares some of this, but
	        // not much.

	        var v;
	        var i = this.tmpid();
	        var len = this.tmpid();
	        var arr = this.tmpid();
	        frame = frame.push();

	        this.emitLine('frame = frame.push();');

	        this.emit('var ' + arr + ' = ');
	        this._compileExpression(node.arr, frame);
	        this.emitLine(';');

	        this.emit('if(' + arr + ') {');

	        // If multiple names are passed, we need to bind them
	        // appropriately
	        if(node.name instanceof nodes.Array) {
	            this.emitLine('var ' + i + ';');

	            // The object could be an arroy or object. Note that the
	            // body of the loop is duplicated for each condition, but
	            // we are optimizing for speed over size.
	            this.emitLine('if(runtime.isArray(' + arr + ')) {'); {
	                this.emitLine('var ' + len + ' = ' + arr + '.length;');
	                this.emitLine('for(' + i + '=0; ' + i + ' < ' + arr + '.length; '
	                              + i + '++) {');

	                // Bind each declared var
	                for (var u=0; u < node.name.children.length; u++) {
	                    var tid = this.tmpid();
	                    this.emitLine('var ' + tid + ' = ' + arr + '[' + i + '][' + u + ']');
	                    this.emitLine('frame.set("' + node.name.children[u].value
	                                  + '", ' + arr + '[' + i + '][' + u + ']' + ');');
	                    frame.set(node.name.children[u].value, tid);
	                }

	                this.emitLoopBindings(node, arr, i, len);
	                this.withScopedSyntax(function() {
	                    this.compile(node.body, frame);
	                });
	                this.emitLine('}');
	            }

	            this.emitLine('} else {'); {
	                // Iterate over the key/values of an object
	                var key = node.name.children[0];
	                var val = node.name.children[1];
	                var k = this.tmpid();
	                v = this.tmpid();
	                frame.set(key.value, k);
	                frame.set(val.value, v);

	                this.emitLine(i + ' = -1;');
	                this.emitLine('var ' + len + ' = runtime.keys(' + arr + ').length;');
	                this.emitLine('for(var ' + k + ' in ' + arr + ') {');
	                this.emitLine(i + '++;');
	                this.emitLine('var ' + v + ' = ' + arr + '[' + k + '];');
	                this.emitLine('frame.set("' + key.value + '", ' + k + ');');
	                this.emitLine('frame.set("' + val.value + '", ' + v + ');');

	                this.emitLoopBindings(node, arr, i, len);
	                this.withScopedSyntax(function() {
	                    this.compile(node.body, frame);
	                });
	                this.emitLine('}');
	            }

	            this.emitLine('}');
	        }
	        else {
	            // Generate a typical array iteration
	            v = this.tmpid();
	            frame.set(node.name.value, v);

	            this.emitLine('var ' + len + ' = ' + arr + '.length;');
	            this.emitLine('for(var ' + i + '=0; ' + i + ' < ' + arr + '.length; ' +
	                          i + '++) {');
	            this.emitLine('var ' + v + ' = ' + arr + '[' + i + '];');
	            this.emitLine('frame.set("' + node.name.value + '", ' + v + ');');

	            this.emitLoopBindings(node, arr, i, len);

	            this.withScopedSyntax(function() {
	                this.compile(node.body, frame);
	            });

	            this.emitLine('}');
	        }

	        this.emitLine('}');
	        if (node.else_) {
	          this.emitLine('if (!' + len + ') {');
	          this.compile(node.else_, frame);
	          this.emitLine('}');
	        }

	        this.emitLine('frame = frame.pop();');
	    },

	    _compileAsyncLoop: function(node, frame, parallel) {
	        // This shares some code with the For tag, but not enough to
	        // worry about. This iterates across an object asynchronously,
	        // but not in parallel.

	        var i = this.tmpid();
	        var len = this.tmpid();
	        var arr = this.tmpid();
	        var asyncMethod = parallel ? 'asyncAll' : 'asyncEach';
	        frame = frame.push();

	        this.emitLine('frame = frame.push();');

	        this.emit('var ' + arr + ' = ');
	        this._compileExpression(node.arr, frame);
	        this.emitLine(';');

	        if(node.name instanceof nodes.Array) {
	            this.emit('runtime.' + asyncMethod + '(' + arr + ', ' +
	                      node.name.children.length + ', function(');

	            lib.each(node.name.children, function(name) {
	                this.emit(name.value + ',');
	            }, this);

	            this.emit(i + ',' + len + ',next) {');

	            lib.each(node.name.children, function(name) {
	                var id = name.value;
	                frame.set(id, id);
	                this.emitLine('frame.set("' + id + '", ' + id + ');');
	            }, this);
	        }
	        else {
	            var id = node.name.value;
	            this.emitLine('runtime.' + asyncMethod + '(' + arr + ', 1, function(' + id + ', ' + i + ', ' + len + ',next) {');
	            this.emitLine('frame.set("' + id + '", ' + id + ');');
	            frame.set(id, id);
	        }

	        this.emitLoopBindings(node, arr, i, len);

	        this.withScopedSyntax(function() {
	            var buf;
	            if(parallel) {
	                buf = this.tmpid();
	                this.pushBufferId(buf);
	            }

	            this.compile(node.body, frame);
	            this.emitLine('next(' + i + (buf ? ',' + buf : '') + ');');

	            if(parallel) {
	                this.popBufferId();
	            }
	        });

	        var output = this.tmpid();
	        this.emitLine('}, ' + this.makeCallback(output));
	        this.addScopeLevel();

	        if(parallel) {
	            this.emitLine(this.buffer + ' += ' + output + ';');
	        }

	        if (node.else_) {
	          this.emitLine('if (!' + arr + '.length) {');
	          this.compile(node.else_, frame);
	          this.emitLine('}');
	        }

	        this.emitLine('frame = frame.pop();');
	    },

	    compileAsyncEach: function(node, frame) {
	        this._compileAsyncLoop(node, frame);
	    },

	    compileAsyncAll: function(node, frame) {
	        this._compileAsyncLoop(node, frame, true);
	    },

	    _compileMacro: function(node, frame) {
	        var args = [];
	        var kwargs = null;
	        var funcId = 'macro_' + this.tmpid();

	        // Type check the definition of the args
	        lib.each(node.args.children, function(arg, i) {
	            if(i === node.args.children.length - 1 &&
	               arg instanceof nodes.Dict) {
	                kwargs = arg;
	            }
	            else {
	                this.assertType(arg, nodes.Symbol);
	                args.push(arg);
	            }
	        }, this);

	        var realNames = lib.map(args, function(n) { return 'l_' + n.value; });
	        realNames.push('kwargs');

	        // Quoted argument names
	        var argNames = lib.map(args, function(n) { return '"' + n.value + '"'; });
	        var kwargNames = lib.map((kwargs && kwargs.children) || [],
	                                 function(n) { return '"' + n.key.value + '"'; });

	        // We pass a function to makeMacro which destructures the
	        // arguments so support setting positional args with keywords
	        // args and passing keyword args as positional args
	        // (essentially default values). See runtime.js.
	        frame = frame.push();
	        this.emitLines(
	            'var ' + funcId + ' = runtime.makeMacro(',
	            '[' + argNames.join(', ') + '], ',
	            '[' + kwargNames.join(', ') + '], ',
	            'function (' + realNames.join(', ') + ') {',
	            'frame = frame.push(true);',
	            'kwargs = kwargs || {};',
	            'if (kwargs.hasOwnProperty("caller")) {',
	            'frame.set("caller", kwargs.caller); }'
	        );

	        // Expose the arguments to the template. Don't need to use
	        // random names because the function
	        // will create a new run-time scope for us
	        lib.each(args, function(arg) {
	            this.emitLine('frame.set("' + arg.value + '", ' +
	                          'l_' + arg.value + ');');
	            frame.set(arg.value, 'l_' + arg.value);
	        }, this);

	        // Expose the keyword arguments
	        if(kwargs) {
	            lib.each(kwargs.children, function(pair) {
	                var name = pair.key.value;
	                this.emit('frame.set("' + name + '", ' +
	                          'kwargs.hasOwnProperty("' + name + '") ? ' +
	                          'kwargs["' + name + '"] : ');
	                this._compileExpression(pair.value, frame);
	                this.emitLine(');');
	            }, this);
	        }

	        var bufferId = this.tmpid();
	        this.pushBufferId(bufferId);

	        this.withScopedSyntax(function () {
	          this.compile(node.body, frame);
	        });

	        frame = frame.pop();
	        this.emitLine('frame = frame.pop();');
	        this.emitLine('return new runtime.SafeString(' + bufferId + ');');
	        this.emitLine('});');
	        this.popBufferId();

	        return funcId;
	    },

	    compileMacro: function(node, frame) {
	        var funcId = this._compileMacro(node, frame);

	        // Expose the macro to the templates
	        var name = node.name.value;
	        frame.set(name, funcId);

	        if(frame.parent) {
	            this.emitLine('frame.set("' + name + '", ' + funcId + ');');
	        }
	        else {
	            if(node.name.value.charAt(0) !== '_') {
	                this.emitLine('context.addExport("' + name + '");');
	            }
	            this.emitLine('context.setVariable("' + name + '", ' + funcId + ');');
	        }
	    },

	    compileCaller: function(node, frame) {
	        // basically an anonymous "macro expression"
	        this.emit('(function (){');
	        var funcId = this._compileMacro(node, frame);
	        this.emit('return ' + funcId + ';})()');
	    },

	    compileImport: function(node, frame) {
	        var id = this.tmpid();
	        var target = node.target.value;

	        this.emit('env.getTemplate(');
	        this._compileExpression(node.template, frame);
	        this.emitLine(', false, '+this._templateName()+', false, ' + this.makeCallback(id));
	        this.addScopeLevel();

	        this.emitLine(id + '.getExported(' +
	            (node.withContext ? 'context.getVariables(), frame, ' : '') +
	            this.makeCallback(id));
	        this.addScopeLevel();

	        frame.set(target, id);

	        if(frame.parent) {
	            this.emitLine('frame.set("' + target + '", ' + id + ');');
	        }
	        else {
	            this.emitLine('context.setVariable("' + target + '", ' + id + ');');
	        }
	    },

	    compileFromImport: function(node, frame) {
	        var importedId = this.tmpid();

	        this.emit('env.getTemplate(');
	        this._compileExpression(node.template, frame);
	        this.emitLine(', false, '+this._templateName()+', false, ' + this.makeCallback(importedId));
	        this.addScopeLevel();

	        this.emitLine(importedId + '.getExported(' +
	            (node.withContext ? 'context.getVariables(), frame, ' : '') +
	            this.makeCallback(importedId));
	        this.addScopeLevel();

	        lib.each(node.names.children, function(nameNode) {
	            var name;
	            var alias;
	            var id = this.tmpid();

	            if(nameNode instanceof nodes.Pair) {
	                name = nameNode.key.value;
	                alias = nameNode.value.value;
	            }
	            else {
	                name = nameNode.value;
	                alias = name;
	            }

	            this.emitLine('if(' + importedId + '.hasOwnProperty("' + name + '")) {');
	            this.emitLine('var ' + id + ' = ' + importedId + '.' + name + ';');
	            this.emitLine('} else {');
	            this.emitLine('cb(new Error("cannot import \'' + name + '\'")); return;');
	            this.emitLine('}');

	            frame.set(alias, id);

	            if(frame.parent) {
	                this.emitLine('frame.set("' + alias + '", ' + id + ');');
	            }
	            else {
	                this.emitLine('context.setVariable("' + alias + '", ' + id + ');');
	            }
	        }, this);
	    },

	    compileBlock: function(node) {
	        var id = this.tmpid();

	        // If we are executing outside a block (creating a top-level
	        // block), we really don't want to execute its code because it
	        // will execute twice: once when the child template runs and
	        // again when the parent template runs. Note that blocks
	        // within blocks will *always* execute immediately *and*
	        // wherever else they are invoked (like used in a parent
	        // template). This may have behavioral differences from jinja
	        // because blocks can have side effects, but it seems like a
	        // waste of performance to always execute huge top-level
	        // blocks twice
	        if(!this.inBlock) {
	            this.emit('(parentTemplate ? function(e, c, f, r, cb) { cb(""); } : ');
	        }
	        this.emit('context.getBlock("' + node.name.value + '")');
	        if(!this.inBlock) {
	            this.emit(')');
	        }
	        this.emitLine('(env, context, frame, runtime, ' + this.makeCallback(id));
	        this.emitLine(this.buffer + ' += ' + id + ';');
	        this.addScopeLevel();
	    },

	    compileSuper: function(node, frame) {
	        var name = node.blockName.value;
	        var id = node.symbol.value;

	        this.emitLine('context.getSuper(env, ' +
	                      '"' + name + '", ' +
	                      'b_' + name + ', ' +
	                      'frame, runtime, '+
	                      this.makeCallback(id));
	        this.emitLine(id + ' = runtime.markSafe(' + id + ');');
	        this.addScopeLevel();
	        frame.set(id, id);
	    },

	    compileExtends: function(node, frame) {
	        var k = this.tmpid();

	        this.emit('env.getTemplate(');
	        this._compileExpression(node.template, frame);
	        this.emitLine(', true, '+this._templateName()+', false, ' + this.makeCallback('_parentTemplate'));

	        // extends is a dynamic tag and can occur within a block like
	        // `if`, so if this happens we need to capture the parent
	        // template in the top-level scope
	        this.emitLine('parentTemplate = _parentTemplate');

	        this.emitLine('for(var ' + k + ' in parentTemplate.blocks) {');
	        this.emitLine('context.addBlock(' + k +
	                      ', parentTemplate.blocks[' + k + ']);');
	        this.emitLine('}');

	        this.addScopeLevel();
	    },

	    compileInclude: function(node, frame) {
	        var id = this.tmpid();
	        var id2 = this.tmpid();

	        this.emit('env.getTemplate(');
	        this._compileExpression(node.template, frame);
	        this.emitLine(', false, '+this._templateName()+', ' + node.ignoreMissing + ', ' + this.makeCallback(id));
	        this.addScopeLevel();

	        this.emitLine(id + '.render(' +
	                      'context.getVariables(), frame, ' + this.makeCallback(id2));
	        this.emitLine(this.buffer + ' += ' + id2);
	        this.addScopeLevel();
	    },

	    compileTemplateData: function(node, frame) {
	        this.compileLiteral(node, frame);
	    },

	    compileCapture: function(node, frame) {
	        this.emitLine('(function() {');
	        this.emitLine('var output = "";');
	        this.withScopedSyntax(function () {
	            this.compile(node.body, frame);
	        });
	        this.emitLine('return output;');
	        this.emitLine('})()');
	    },

	    compileOutput: function(node, frame) {
	        var children = node.children;
	        for(var i=0, l=children.length; i<l; i++) {
	            // TemplateData is a special case because it is never
	            // autoescaped, so simply output it for optimization
	            if(children[i] instanceof nodes.TemplateData) {
	                if(children[i].value) {
	                    this.emit(this.buffer + ' += ');
	                    this.compileLiteral(children[i], frame);
	                    this.emitLine(';');
	                }
	            }
	            else {
	                this.emit(this.buffer + ' += runtime.suppressValue(');
	                if(this.throwOnUndefined) {
	                    this.emit('runtime.ensureDefined(');
	                }
	                this.compile(children[i], frame);
	                if(this.throwOnUndefined) {
	                    this.emit(',' + node.lineno + ',' + node.colno + ')');
	                }
	                this.emit(', env.opts.autoescape);\n');
	            }
	        }
	    },

	    compileRoot: function(node, frame) {
	        if(frame) {
	            this.fail('compileRoot: root node can\'t have frame');
	        }

	        frame = new Frame();

	        this.emitFuncBegin('root');
	        this.emitLine('var parentTemplate = null;');
	        this._compileChildren(node, frame);
	        this.emitLine('if(parentTemplate) {');
	        this.emitLine('parentTemplate.rootRenderFunc(env, context, frame, runtime, cb);');
	        this.emitLine('} else {');
	        this.emitLine('cb(null, ' + this.buffer +');');
	        this.emitLine('}');
	        this.emitFuncEnd(true);

	        this.inBlock = true;

	        var blockNames = [];

	        var i, name, block, blocks = node.findAll(nodes.Block);
	        for (i = 0; i < blocks.length; i++) {
	            block = blocks[i];
	            name = block.name.value;

	            if (blockNames.indexOf(name) !== -1) {
	                throw new Error('Block "' + name + '" defined more than once.');
	            }
	            blockNames.push(name);

	            this.emitFuncBegin('b_' + name);

	            var tmpFrame = new Frame();
	            this.compile(block.body, tmpFrame);
	            this.emitFuncEnd();
	        }

	        this.emitLine('return {');
	        for (i = 0; i < blocks.length; i++) {
	            block = blocks[i];
	            name = 'b_' + block.name.value;
	            this.emitLine(name + ': ' + name + ',');
	        }
	        this.emitLine('root: root\n};');
	    },

	    compile: function (node, frame) {
	        var _compile = this['compile' + node.typename];
	        if(_compile) {
	            _compile.call(this, node, frame);
	        }
	        else {
	            this.fail('compile: Cannot compile node: ' + node.typename,
	                      node.lineno,
	                      node.colno);
	        }
	    },

	    getCode: function() {
	        return this.codebuf.join('');
	    }
	});

	// var c = new Compiler();
	// var src = 'hello {% filter title %}' +
	//     'Hello madam how are you' +
	//     '{% endfilter %}'
	// var ast = transformer.transform(parser.parse(src));
	// nodes.printNodes(ast);
	// c.compile(ast);
	// var tmpl = c.getCode();
	// console.log(tmpl);

	module.exports = {
	    compile: function(src, asyncFilters, extensions, name, opts) {
	        var c = new Compiler(name, opts.throwOnUndefined);

	        // Run the extension preprocessors against the source.
	        if(extensions && extensions.length) {
	            for(var i=0; i<extensions.length; i++) {
	                if('preprocess' in extensions[i]) {
	                    src = extensions[i].preprocess(src, name);
	                }
	            }
	        }

	        c.compile(transformer.transform(
	            parser.parse(src,
	                         extensions,
	                         opts),
	            asyncFilters,
	            name
	        ));
	        return c.getCode();
	    },

	    Compiler: Compiler
	};


/***/ },
/* 8 */
/***/ function(module, exports, __webpack_require__) {

	'use strict';

	var lexer = __webpack_require__(9);
	var nodes = __webpack_require__(10);
	// jshint -W079
	var Object = __webpack_require__(6);
	var lib = __webpack_require__(1);

	var Parser = Object.extend({
	    init: function (tokens) {
	        this.tokens = tokens;
	        this.peeked = null;
	        this.breakOnBlocks = null;
	        this.dropLeadingWhitespace = false;

	        this.extensions = [];
	    },

	    nextToken: function (withWhitespace) {
	        var tok;

	        if(this.peeked) {
	            if(!withWhitespace && this.peeked.type === lexer.TOKEN_WHITESPACE) {
	                this.peeked = null;
	            }
	            else {
	                tok = this.peeked;
	                this.peeked = null;
	                return tok;
	            }
	        }

	        tok = this.tokens.nextToken();

	        if(!withWhitespace) {
	            while(tok && tok.type === lexer.TOKEN_WHITESPACE) {
	                tok = this.tokens.nextToken();
	            }
	        }

	        return tok;
	    },

	    peekToken: function () {
	        this.peeked = this.peeked || this.nextToken();
	        return this.peeked;
	    },

	    pushToken: function(tok) {
	        if(this.peeked) {
	            throw new Error('pushToken: can only push one token on between reads');
	        }
	        this.peeked = tok;
	    },

	    fail: function (msg, lineno, colno) {
	        if((lineno === undefined || colno === undefined) && this.peekToken()) {
	            var tok = this.peekToken();
	            lineno = tok.lineno;
	            colno = tok.colno;
	        }
	        if (lineno !== undefined) lineno += 1;
	        if (colno !== undefined) colno += 1;

	        throw new lib.TemplateError(msg, lineno, colno);
	    },

	    skip: function(type) {
	        var tok = this.nextToken();
	        if(!tok || tok.type !== type) {
	            this.pushToken(tok);
	            return false;
	        }
	        return true;
	    },

	    expect: function(type) {
	        var tok = this.nextToken();
	        if(tok.type !== type) {
	            this.fail('expected ' + type + ', got ' + tok.type,
	                      tok.lineno,
	                      tok.colno);
	        }
	        return tok;
	    },

	    skipValue: function(type, val) {
	        var tok = this.nextToken();
	        if(!tok || tok.type !== type || tok.value !== val) {
	            this.pushToken(tok);
	            return false;
	        }
	        return true;
	    },

	    skipSymbol: function(val) {
	        return this.skipValue(lexer.TOKEN_SYMBOL, val);
	    },

	    advanceAfterBlockEnd: function(name) {
	        var tok;
	        if(!name) {
	            tok = this.peekToken();

	            if(!tok) {
	                this.fail('unexpected end of file');
	            }

	            if(tok.type !== lexer.TOKEN_SYMBOL) {
	                this.fail('advanceAfterBlockEnd: expected symbol token or ' +
	                          'explicit name to be passed');
	            }

	            name = this.nextToken().value;
	        }

	        tok = this.nextToken();

	        if(tok && tok.type === lexer.TOKEN_BLOCK_END) {
	            if(tok.value.charAt(0) === '-') {
	                this.dropLeadingWhitespace = true;
	            }
	        }
	        else {
	            this.fail('expected block end in ' + name + ' statement');
	        }

	        return tok;
	    },

	    advanceAfterVariableEnd: function() {
	        if(!this.skip(lexer.TOKEN_VARIABLE_END)) {
	            this.fail('expected variable end');
	        }
	    },

	    parseFor: function() {
	        var forTok = this.peekToken();
	        var node;
	        var endBlock;

	        if(this.skipSymbol('for')) {
	            node = new nodes.For(forTok.lineno, forTok.colno);
	            endBlock = 'endfor';
	        }
	        else if(this.skipSymbol('asyncEach')) {
	            node = new nodes.AsyncEach(forTok.lineno, forTok.colno);
	            endBlock = 'endeach';
	        }
	        else if(this.skipSymbol('asyncAll')) {
	            node = new nodes.AsyncAll(forTok.lineno, forTok.colno);
	            endBlock = 'endall';
	        }
	        else {
	            this.fail('parseFor: expected for{Async}', forTok.lineno, forTok.colno);
	        }

	        node.name = this.parsePrimary();

	        if(!(node.name instanceof nodes.Symbol)) {
	            this.fail('parseFor: variable name expected for loop');
	        }

	        var type = this.peekToken().type;
	        if(type === lexer.TOKEN_COMMA) {
	            // key/value iteration
	            var key = node.name;
	            node.name = new nodes.Array(key.lineno, key.colno);
	            node.name.addChild(key);

	            while(this.skip(lexer.TOKEN_COMMA)) {
	                var prim = this.parsePrimary();
	                node.name.addChild(prim);
	            }
	        }

	        if(!this.skipSymbol('in')) {
	            this.fail('parseFor: expected "in" keyword for loop',
	                      forTok.lineno,
	                      forTok.colno);
	        }

	        node.arr = this.parseExpression();
	        this.advanceAfterBlockEnd(forTok.value);

	        node.body = this.parseUntilBlocks(endBlock, 'else');

	        if(this.skipSymbol('else')) {
	            this.advanceAfterBlockEnd('else');
	            node.else_ = this.parseUntilBlocks(endBlock);
	        }

	        this.advanceAfterBlockEnd();

	        return node;
	    },

	    parseMacro: function() {
	        var macroTok = this.peekToken();
	        if(!this.skipSymbol('macro')) {
	            this.fail('expected macro');
	        }

	        var name = this.parsePrimary(true);
	        var args = this.parseSignature();
	        var node = new nodes.Macro(macroTok.lineno,
	                                   macroTok.colno,
	                                   name,
	                                   args);

	        this.advanceAfterBlockEnd(macroTok.value);
	        node.body = this.parseUntilBlocks('endmacro');
	        this.advanceAfterBlockEnd();

	        return node;
	    },

	    parseCall: function() {
	        // a call block is parsed as a normal FunCall, but with an added
	        // 'caller' kwarg which is a Caller node.
	        var callTok = this.peekToken();
	        if(!this.skipSymbol('call')) {
	            this.fail('expected call');
	        }

	        var callerArgs = this.parseSignature(true) || new nodes.NodeList();
	        var macroCall = this.parsePrimary();

	        this.advanceAfterBlockEnd(callTok.value);
	        var body = this.parseUntilBlocks('endcall');
	        this.advanceAfterBlockEnd();

	        var callerName = new nodes.Symbol(callTok.lineno,
	                                          callTok.colno,
	                                          'caller');
	        var callerNode = new nodes.Caller(callTok.lineno,
	                                          callTok.colno,
	                                          callerName,
	                                          callerArgs,
	                                          body);

	        // add the additional caller kwarg, adding kwargs if necessary
	        var args = macroCall.args.children;
	        if (!(args[args.length-1] instanceof nodes.KeywordArgs)) {
	          args.push(new nodes.KeywordArgs());
	        }
	        var kwargs = args[args.length - 1];
	        kwargs.addChild(new nodes.Pair(callTok.lineno,
	                                       callTok.colno,
	                                       callerName,
	                                       callerNode));

	        return new nodes.Output(callTok.lineno,
	                                callTok.colno,
	                                [macroCall]);
	    },

	    parseWithContext: function() {
	        var tok = this.peekToken();

	        var withContext = null;

	        if(this.skipSymbol('with')) {
	            withContext = true;
	        }
	        else if(this.skipSymbol('without')) {
	            withContext = false;
	        }

	        if(withContext !== null) {
	            if(!this.skipSymbol('context')) {
	                this.fail('parseFrom: expected context after with/without',
	                            tok.lineno,
	                            tok.colno);
	            }
	        }

	        return withContext;
	    },

	    parseImport: function() {
	        var importTok = this.peekToken();
	        if(!this.skipSymbol('import')) {
	            this.fail('parseImport: expected import',
	                      importTok.lineno,
	                      importTok.colno);
	        }

	        var template = this.parseExpression();

	        if(!this.skipSymbol('as')) {
	            this.fail('parseImport: expected "as" keyword',
	                            importTok.lineno,
	                            importTok.colno);
	        }

	        var target = this.parseExpression();

	        var withContext = this.parseWithContext();

	        var node = new nodes.Import(importTok.lineno,
	                                    importTok.colno,
	                                    template,
	                                    target,
	                                    withContext);

	        this.advanceAfterBlockEnd(importTok.value);

	        return node;
	    },

	    parseFrom: function() {
	        var fromTok = this.peekToken();
	        if(!this.skipSymbol('from')) {
	            this.fail('parseFrom: expected from');
	        }

	        var template = this.parseExpression();

	        if(!this.skipSymbol('import')) {
	            this.fail('parseFrom: expected import',
	                            fromTok.lineno,
	                            fromTok.colno);
	        }

	        var names = new nodes.NodeList(),
	            withContext;

	        while(1) {
	            var nextTok = this.peekToken();
	            if(nextTok.type === lexer.TOKEN_BLOCK_END) {
	                if(!names.children.length) {
	                    this.fail('parseFrom: Expected at least one import name',
	                              fromTok.lineno,
	                              fromTok.colno);
	                }

	                // Since we are manually advancing past the block end,
	                // need to keep track of whitespace control (normally
	                // this is done in `advanceAfterBlockEnd`
	                if(nextTok.value.charAt(0) === '-') {
	                    this.dropLeadingWhitespace = true;
	                }

	                this.nextToken();
	                break;
	            }

	            if(names.children.length > 0 && !this.skip(lexer.TOKEN_COMMA)) {
	                this.fail('parseFrom: expected comma',
	                                fromTok.lineno,
	                                fromTok.colno);
	            }

	            var name = this.parsePrimary();
	            if(name.value.charAt(0) === '_') {
	                this.fail('parseFrom: names starting with an underscore ' +
	                          'cannot be imported',
	                          name.lineno,
	                          name.colno);
	            }

	            if(this.skipSymbol('as')) {
	                var alias = this.parsePrimary();
	                names.addChild(new nodes.Pair(name.lineno,
	                                              name.colno,
	                                              name,
	                                              alias));
	            }
	            else {
	                names.addChild(name);
	            }

	            withContext = this.parseWithContext();
	        }

	        return new nodes.FromImport(fromTok.lineno,
	                                    fromTok.colno,
	                                    template,
	                                    names,
	                                    withContext);
	    },

	    parseBlock: function() {
	        var tag = this.peekToken();
	        if(!this.skipSymbol('block')) {
	            this.fail('parseBlock: expected block', tag.lineno, tag.colno);
	        }

	        var node = new nodes.Block(tag.lineno, tag.colno);

	        node.name = this.parsePrimary();
	        if(!(node.name instanceof nodes.Symbol)) {
	            this.fail('parseBlock: variable name expected',
	                      tag.lineno,
	                      tag.colno);
	        }

	        this.advanceAfterBlockEnd(tag.value);

	        node.body = this.parseUntilBlocks('endblock');
	        this.skipSymbol('endblock');
	        this.skipSymbol(node.name.value);

	        var tok = this.peekToken();
	        if(!tok) {
	            this.fail('parseBlock: expected endblock, got end of file');
	        }

	        this.advanceAfterBlockEnd(tok.value);

	        return node;
	    },

	    parseExtends: function() {
	        var tagName = 'extends';
	        var tag = this.peekToken();
	        if(!this.skipSymbol(tagName)) {
	            this.fail('parseTemplateRef: expected '+ tagName);
	        }

	        var node = new nodes.Extends(tag.lineno, tag.colno);
	        node.template = this.parseExpression();

	        this.advanceAfterBlockEnd(tag.value);
	        return node;
	    },

	    parseInclude: function() {
	        var tagName = 'include';
	        var tag = this.peekToken();
	        if(!this.skipSymbol(tagName)) {
	            this.fail('parseInclude: expected '+ tagName);
	        }

	        var node = new nodes.Include(tag.lineno, tag.colno);
	        node.template = this.parseExpression();

	        if(this.skipSymbol('ignore') && this.skipSymbol('missing')) {
	            node.ignoreMissing = true;
	        }

	        this.advanceAfterBlockEnd(tag.value);
	        return node;
	    },

	    parseIf: function() {
	        var tag = this.peekToken();
	        var node;

	        if(this.skipSymbol('if') || this.skipSymbol('elif') || this.skipSymbol('elseif')) {
	            node = new nodes.If(tag.lineno, tag.colno);
	        }
	        else if(this.skipSymbol('ifAsync')) {
	            node = new nodes.IfAsync(tag.lineno, tag.colno);
	        }
	        else {
	            this.fail('parseIf: expected if, elif, or elseif',
	                      tag.lineno,
	                      tag.colno);
	        }

	        node.cond = this.parseExpression();
	        this.advanceAfterBlockEnd(tag.value);

	        node.body = this.parseUntilBlocks('elif', 'elseif', 'else', 'endif');
	        var tok = this.peekToken();

	        switch(tok && tok.value) {
	        case 'elseif':
	        case 'elif':
	            node.else_ = this.parseIf();
	            break;
	        case 'else':
	            this.advanceAfterBlockEnd();
	            node.else_ = this.parseUntilBlocks('endif');
	            this.advanceAfterBlockEnd();
	            break;
	        case 'endif':
	            node.else_ = null;
	            this.advanceAfterBlockEnd();
	            break;
	        default:
	            this.fail('parseIf: expected elif, else, or endif, ' +
	                      'got end of file');
	        }

	        return node;
	    },

	    parseSet: function() {
	        var tag = this.peekToken();
	        if(!this.skipSymbol('set')) {
	            this.fail('parseSet: expected set', tag.lineno, tag.colno);
	        }

	        var node = new nodes.Set(tag.lineno, tag.colno, []);

	        var target;
	        while((target = this.parsePrimary())) {
	            node.targets.push(target);

	            if(!this.skip(lexer.TOKEN_COMMA)) {
	                break;
	            }
	        }

	        if(!this.skipValue(lexer.TOKEN_OPERATOR, '=')) {
	            if (!this.skip(lexer.TOKEN_BLOCK_END)) {
	                this.fail('parseSet: expected = or block end in set tag',
	                          tag.lineno,
	                          tag.colno);
	            }
	            else {
	                node.body = new nodes.Capture(
	                    tag.lineno,
	                    tag.colno,
	                    this.parseUntilBlocks('endset')
	                );
	                node.value = null;
	                this.advanceAfterBlockEnd();
	            }
	        }
	        else {
	            node.value = this.parseExpression();
	            this.advanceAfterBlockEnd(tag.value);
	        }

	        return node;
	    },

	    parseStatement: function () {
	        var tok = this.peekToken();
	        var node;

	        if(tok.type !== lexer.TOKEN_SYMBOL) {
	            this.fail('tag name expected', tok.lineno, tok.colno);
	        }

	        if(this.breakOnBlocks &&
	           lib.indexOf(this.breakOnBlocks, tok.value) !== -1) {
	            return null;
	        }

	        switch(tok.value) {
	        case 'raw': return this.parseRaw();
	        case 'if':
	        case 'ifAsync':
	            return this.parseIf();
	        case 'for':
	        case 'asyncEach':
	        case 'asyncAll':
	            return this.parseFor();
	        case 'block': return this.parseBlock();
	        case 'extends': return this.parseExtends();
	        case 'include': return this.parseInclude();
	        case 'set': return this.parseSet();
	        case 'macro': return this.parseMacro();
	        case 'call': return this.parseCall();
	        case 'import': return this.parseImport();
	        case 'from': return this.parseFrom();
	        case 'filter': return this.parseFilterStatement();
	        default:
	            if (this.extensions.length) {
	                for (var i = 0; i < this.extensions.length; i++) {
	                    var ext = this.extensions[i];
	                    if (lib.indexOf(ext.tags || [], tok.value) !== -1) {
	                        return ext.parse(this, nodes, lexer);
	                    }
	                }
	            }
	            this.fail('unknown block tag: ' + tok.value, tok.lineno, tok.colno);
	        }

	        return node;
	    },

	    parseRaw: function() {
	        // Look for upcoming raw blocks (ignore all other kinds of blocks)
	        var rawBlockRegex = /([\s\S]*?){%\s*(raw|endraw)\s*(?=%})%}/;
	        var rawLevel = 1;
	        var str = '';
	        var matches = null;

	        // Skip opening raw token
	        // Keep this token to track line and column numbers
	        var begun = this.advanceAfterBlockEnd();

	        // Exit when there's nothing to match
	        // or when we've found the matching "endraw" block
	        while((matches = this.tokens._extractRegex(rawBlockRegex)) && rawLevel > 0) {
	            var all = matches[0];
	            var pre = matches[1];
	            var blockName = matches[2];

	            // Adjust rawlevel
	            if(blockName === 'raw') {
	                rawLevel += 1;
	            } else if(blockName === 'endraw') {
	                rawLevel -= 1;
	            }

	            // Add to str
	            if(rawLevel === 0) {
	                // We want to exclude the last "endraw"
	                str += pre;
	                // Move tokenizer to beginning of endraw block
	                this.tokens.backN(all.length - pre.length);
	            } else {
	                str += all;
	            }
	        }

	        return new nodes.Output(
	            begun.lineno,
	            begun.colno,
	            [new nodes.TemplateData(begun.lineno, begun.colno, str)]
	        );
	    },

	    parsePostfix: function(node) {
	        var lookup, tok = this.peekToken();

	        while(tok) {
	            if(tok.type === lexer.TOKEN_LEFT_PAREN) {
	                // Function call
	                node = new nodes.FunCall(tok.lineno,
	                                         tok.colno,
	                                         node,
	                                         this.parseSignature());
	            }
	            else if(tok.type === lexer.TOKEN_LEFT_BRACKET) {
	                // Reference
	                lookup = this.parseAggregate();
	                if(lookup.children.length > 1) {
	                    this.fail('invalid index');
	                }

	                node =  new nodes.LookupVal(tok.lineno,
	                                            tok.colno,
	                                            node,
	                                            lookup.children[0]);
	            }
	            else if(tok.type === lexer.TOKEN_OPERATOR && tok.value === '.') {
	                // Reference
	                this.nextToken();
	                var val = this.nextToken();

	                if(val.type !== lexer.TOKEN_SYMBOL) {
	                    this.fail('expected name as lookup value, got ' + val.value,
	                              val.lineno,
	                              val.colno);
	                }

	                // Make a literal string because it's not a variable
	                // reference
	                lookup = new nodes.Literal(val.lineno,
	                                               val.colno,
	                                               val.value);

	                node =  new nodes.LookupVal(tok.lineno,
	                                            tok.colno,
	                                            node,
	                                            lookup);
	            }
	            else {
	                break;
	            }

	            tok = this.peekToken();
	        }

	        return node;
	    },

	    parseExpression: function() {
	        var node = this.parseInlineIf();
	        return node;
	    },

	    parseInlineIf: function() {
	        var node = this.parseOr();
	        if(this.skipSymbol('if')) {
	            var cond_node = this.parseOr();
	            var body_node = node;
	            node = new nodes.InlineIf(node.lineno, node.colno);
	            node.body = body_node;
	            node.cond = cond_node;
	            if(this.skipSymbol('else')) {
	                node.else_ = this.parseOr();
	            } else {
	                node.else_ = null;
	            }
	        }

	        return node;
	    },

	    parseOr: function() {
	        var node = this.parseAnd();
	        while(this.skipSymbol('or')) {
	            var node2 = this.parseAnd();
	            node = new nodes.Or(node.lineno,
	                                node.colno,
	                                node,
	                                node2);
	        }
	        return node;
	    },

	    parseAnd: function() {
	        var node = this.parseNot();
	        while(this.skipSymbol('and')) {
	            var node2 = this.parseNot();
	            node = new nodes.And(node.lineno,
	                                 node.colno,
	                                 node,
	                                 node2);
	        }
	        return node;
	    },

	    parseNot: function() {
	        var tok = this.peekToken();
	        if(this.skipSymbol('not')) {
	            return new nodes.Not(tok.lineno,
	                                 tok.colno,
	                                 this.parseNot());
	        }
	        return this.parseIn();
	    },

	    parseIn: function() {
	      var node = this.parseCompare();
	      while(1) {
	        // check if the next token is 'not'
	        var tok = this.nextToken();
	        if (!tok) { break; }
	        var invert = tok.type === lexer.TOKEN_SYMBOL && tok.value === 'not';
	        // if it wasn't 'not', put it back
	        if (!invert) { this.pushToken(tok); }
	        if (this.skipSymbol('in')) {
	          var node2 = this.parseCompare();
	          node = new nodes.In(node.lineno,
	                              node.colno,
	                              node,
	                              node2);
	          if (invert) {
	            node = new nodes.Not(node.lineno,
	                                 node.colno,
	                                 node);
	          }
	        }
	        else {
	          // if we'd found a 'not' but this wasn't an 'in', put back the 'not'
	          if (invert) { this.pushToken(tok); }
	          break;
	        }
	      }
	      return node;
	    },

	    parseCompare: function() {
	        var compareOps = ['==', '===', '!=', '!==', '<', '>', '<=', '>='];
	        var expr = this.parseConcat();
	        var ops = [];

	        while(1) {
	            var tok = this.nextToken();

	            if(!tok) {
	                break;
	            }
	            else if(lib.indexOf(compareOps, tok.value) !== -1) {
	                ops.push(new nodes.CompareOperand(tok.lineno,
	                                                  tok.colno,
	                                                  this.parseConcat(),
	                                                  tok.value));
	            }
	            else {
	                this.pushToken(tok);
	                break;
	            }
	        }

	        if(ops.length) {
	            return new nodes.Compare(ops[0].lineno,
	                                     ops[0].colno,
	                                     expr,
	                                     ops);
	        }
	        else {
	            return expr;
	        }
	    },

	    // finds the '~' for string concatenation
	    parseConcat: function(){
	        var node = this.parseAdd();
	        while(this.skipValue(lexer.TOKEN_TILDE, '~')) {
	            var node2 = this.parseAdd();
	            node = new nodes.Concat(node.lineno,
	                                 node.colno,
	                                 node,
	                                 node2);
	        }
	        return node;
	    },

	    parseAdd: function() {
	        var node = this.parseSub();
	        while(this.skipValue(lexer.TOKEN_OPERATOR, '+')) {
	            var node2 = this.parseSub();
	            node = new nodes.Add(node.lineno,
	                                 node.colno,
	                                 node,
	                                 node2);
	        }
	        return node;
	    },

	    parseSub: function() {
	        var node = this.parseMul();
	        while(this.skipValue(lexer.TOKEN_OPERATOR, '-')) {
	            var node2 = this.parseMul();
	            node = new nodes.Sub(node.lineno,
	                                 node.colno,
	                                 node,
	                                 node2);
	        }
	        return node;
	    },

	    parseMul: function() {
	        var node = this.parseDiv();
	        while(this.skipValue(lexer.TOKEN_OPERATOR, '*')) {
	            var node2 = this.parseDiv();
	            node = new nodes.Mul(node.lineno,
	                                 node.colno,
	                                 node,
	                                 node2);
	        }
	        return node;
	    },

	    parseDiv: function() {
	        var node = this.parseFloorDiv();
	        while(this.skipValue(lexer.TOKEN_OPERATOR, '/')) {
	            var node2 = this.parseFloorDiv();
	            node = new nodes.Div(node.lineno,
	                                 node.colno,
	                                 node,
	                                 node2);
	        }
	        return node;
	    },

	    parseFloorDiv: function() {
	        var node = this.parseMod();
	        while(this.skipValue(lexer.TOKEN_OPERATOR, '//')) {
	            var node2 = this.parseMod();
	            node = new nodes.FloorDiv(node.lineno,
	                                      node.colno,
	                                      node,
	                                      node2);
	        }
	        return node;
	    },

	    parseMod: function() {
	        var node = this.parsePow();
	        while(this.skipValue(lexer.TOKEN_OPERATOR, '%')) {
	            var node2 = this.parsePow();
	            node = new nodes.Mod(node.lineno,
	                                 node.colno,
	                                 node,
	                                 node2);
	        }
	        return node;
	    },

	    parsePow: function() {
	        var node = this.parseUnary();
	        while(this.skipValue(lexer.TOKEN_OPERATOR, '**')) {
	            var node2 = this.parseUnary();
	            node = new nodes.Pow(node.lineno,
	                                 node.colno,
	                                 node,
	                                 node2);
	        }
	        return node;
	    },

	    parseUnary: function(noFilters) {
	        var tok = this.peekToken();
	        var node;

	        if(this.skipValue(lexer.TOKEN_OPERATOR, '-')) {
	            node = new nodes.Neg(tok.lineno,
	                                 tok.colno,
	                                 this.parseUnary(true));
	        }
	        else if(this.skipValue(lexer.TOKEN_OPERATOR, '+')) {
	            node = new nodes.Pos(tok.lineno,
	                                 tok.colno,
	                                 this.parseUnary(true));
	        }
	        else {
	            node = this.parsePrimary();
	        }

	        if(!noFilters) {
	            node = this.parseFilter(node);
	        }

	        return node;
	    },

	    parsePrimary: function (noPostfix) {
	        var tok = this.nextToken();
	        var val;
	        var node = null;

	        if(!tok) {
	            this.fail('expected expression, got end of file');
	        }
	        else if(tok.type === lexer.TOKEN_STRING) {
	            val = tok.value;
	        }
	        else if(tok.type === lexer.TOKEN_INT) {
	            val = parseInt(tok.value, 10);
	        }
	        else if(tok.type === lexer.TOKEN_FLOAT) {
	            val = parseFloat(tok.value);
	        }
	        else if(tok.type === lexer.TOKEN_BOOLEAN) {
	            if(tok.value === 'true') {
	                val = true;
	            }
	            else if(tok.value === 'false') {
	                val = false;
	            }
	            else {
	                this.fail('invalid boolean: ' + tok.value,
	                          tok.lineno,
	                          tok.colno);
	            }
	        }
	        else if(tok.type === lexer.TOKEN_NONE) {
	            val = null;
	        }
	        else if (tok.type === lexer.TOKEN_REGEX) {
	            val = new RegExp(tok.value.body, tok.value.flags);
	        }

	        if(val !== undefined) {
	            node = new nodes.Literal(tok.lineno, tok.colno, val);
	        }
	        else if(tok.type === lexer.TOKEN_SYMBOL) {
	            node = new nodes.Symbol(tok.lineno, tok.colno, tok.value);

	            if(!noPostfix) {
	                node = this.parsePostfix(node);
	            }
	        }
	        else {
	            // See if it's an aggregate type, we need to push the
	            // current delimiter token back on
	            this.pushToken(tok);
	            node = this.parseAggregate();
	        }

	        if(node) {
	            return node;
	        }
	        else {
	            this.fail('unexpected token: ' + tok.value,
	                      tok.lineno,
	                      tok.colno);
	        }
	    },

	    parseFilterName: function() {
	        var tok = this.expect(lexer.TOKEN_SYMBOL);
	        var name = tok.value;

	        while(this.skipValue(lexer.TOKEN_OPERATOR, '.')) {
	            name += '.' + this.expect(lexer.TOKEN_SYMBOL).value;
	        }

	        return new nodes.Symbol(tok.lineno, tok.colno, name);
	    },

	    parseFilterArgs: function(node) {
	        if(this.peekToken().type === lexer.TOKEN_LEFT_PAREN) {
	            // Get a FunCall node and add the parameters to the
	            // filter
	            var call = this.parsePostfix(node);
	            return call.args.children;
	        }
	        return [];
	    },

	    parseFilter: function(node) {
	        while(this.skip(lexer.TOKEN_PIPE)) {
	            var name = this.parseFilterName();

	            node = new nodes.Filter(
	                name.lineno,
	                name.colno,
	                name,
	                new nodes.NodeList(
	                    name.lineno,
	                    name.colno,
	                    [node].concat(this.parseFilterArgs(node))
	                )
	            );
	        }

	        return node;
	    },

	    parseFilterStatement: function() {
	        var filterTok = this.peekToken();
	        if(!this.skipSymbol('filter')) {
	            this.fail('parseFilterStatement: expected filter');
	        }

	        var name = this.parseFilterName();
	        var args = this.parseFilterArgs(name);

	        this.advanceAfterBlockEnd(filterTok.value);
	        var body = new nodes.Capture(
	            name.lineno,
	            name.colno,
	            this.parseUntilBlocks('endfilter')
	        );
	        this.advanceAfterBlockEnd();

	        var node = new nodes.Filter(
	            name.lineno,
	            name.colno,
	            name,
	            new nodes.NodeList(
	                name.lineno,
	                name.colno,
	                [body].concat(args)
	            )
	        );

	        return new nodes.Output(
	            name.lineno,
	            name.colno,
	            [node]
	        );
	    },

	    parseAggregate: function() {
	        var tok = this.nextToken();
	        var node;

	        switch(tok.type) {
	        case lexer.TOKEN_LEFT_PAREN:
	            node = new nodes.Group(tok.lineno, tok.colno); break;
	        case lexer.TOKEN_LEFT_BRACKET:
	            node = new nodes.Array(tok.lineno, tok.colno); break;
	        case lexer.TOKEN_LEFT_CURLY:
	            node = new nodes.Dict(tok.lineno, tok.colno); break;
	        default:
	            return null;
	        }

	        while(1) {
	            var type = this.peekToken().type;
	            if(type === lexer.TOKEN_RIGHT_PAREN ||
	               type === lexer.TOKEN_RIGHT_BRACKET ||
	               type === lexer.TOKEN_RIGHT_CURLY) {
	                this.nextToken();
	                break;
	            }

	            if(node.children.length > 0) {
	                if(!this.skip(lexer.TOKEN_COMMA)) {
	                    this.fail('parseAggregate: expected comma after expression',
	                              tok.lineno,
	                              tok.colno);
	                }
	            }

	            if(node instanceof nodes.Dict) {
	                // TODO: check for errors
	                var key = this.parsePrimary();

	                // We expect a key/value pair for dicts, separated by a
	                // colon
	                if(!this.skip(lexer.TOKEN_COLON)) {
	                    this.fail('parseAggregate: expected colon after dict key',
	                        tok.lineno,
	                        tok.colno);
	                }

	                // TODO: check for errors
	                var value = this.parseExpression();
	                node.addChild(new nodes.Pair(key.lineno,
	                                             key.colno,
	                                             key,
	                                             value));
	            }
	            else {
	                // TODO: check for errors
	                var expr = this.parseExpression();
	                node.addChild(expr);
	            }
	        }

	        return node;
	    },

	    parseSignature: function(tolerant, noParens) {
	        var tok = this.peekToken();
	        if(!noParens && tok.type !== lexer.TOKEN_LEFT_PAREN) {
	            if(tolerant) {
	                return null;
	            }
	            else {
	                this.fail('expected arguments', tok.lineno, tok.colno);
	            }
	        }

	        if(tok.type === lexer.TOKEN_LEFT_PAREN) {
	            tok = this.nextToken();
	        }

	        var args = new nodes.NodeList(tok.lineno, tok.colno);
	        var kwargs = new nodes.KeywordArgs(tok.lineno, tok.colno);
	        var checkComma = false;

	        while(1) {
	            tok = this.peekToken();
	            if(!noParens && tok.type === lexer.TOKEN_RIGHT_PAREN) {
	                this.nextToken();
	                break;
	            }
	            else if(noParens && tok.type === lexer.TOKEN_BLOCK_END) {
	                break;
	            }

	            if(checkComma && !this.skip(lexer.TOKEN_COMMA)) {
	                this.fail('parseSignature: expected comma after expression',
	                          tok.lineno,
	                          tok.colno);
	            }
	            else {
	                var arg = this.parseExpression();

	                if(this.skipValue(lexer.TOKEN_OPERATOR, '=')) {
	                    kwargs.addChild(
	                        new nodes.Pair(arg.lineno,
	                                       arg.colno,
	                                       arg,
	                                       this.parseExpression())
	                    );
	                }
	                else {
	                    args.addChild(arg);
	                }
	            }

	            checkComma = true;
	        }

	        if(kwargs.children.length) {
	            args.addChild(kwargs);
	        }

	        return args;
	    },

	    parseUntilBlocks: function(/* blockNames */) {
	        var prev = this.breakOnBlocks;
	        this.breakOnBlocks = lib.toArray(arguments);

	        var ret = this.parse();

	        this.breakOnBlocks = prev;
	        return ret;
	    },

	    parseNodes: function () {
	        var tok;
	        var buf = [];

	        while((tok = this.nextToken())) {
	            if(tok.type === lexer.TOKEN_DATA) {
	                var data = tok.value;
	                var nextToken = this.peekToken();
	                var nextVal = nextToken && nextToken.value;

	                // If the last token has "-" we need to trim the
	                // leading whitespace of the data. This is marked with
	                // the `dropLeadingWhitespace` variable.
	                if(this.dropLeadingWhitespace) {
	                    // TODO: this could be optimized (don't use regex)
	                    data = data.replace(/^\s*/, '');
	                    this.dropLeadingWhitespace = false;
	                }

	                // Same for the succeding block start token
	                if(nextToken &&
	                    ((nextToken.type === lexer.TOKEN_BLOCK_START &&
	                      nextVal.charAt(nextVal.length - 1) === '-') ||
	                    (nextToken.type === lexer.TOKEN_COMMENT &&
	                      nextVal.charAt(this.tokens.tags.COMMENT_START.length)
	                        === '-'))) {
	                    // TODO: this could be optimized (don't use regex)
	                    data = data.replace(/\s*$/, '');
	                }

	                buf.push(new nodes.Output(tok.lineno,
	                                          tok.colno,
	                                          [new nodes.TemplateData(tok.lineno,
	                                                                  tok.colno,
	                                                                  data)]));
	            }
	            else if(tok.type === lexer.TOKEN_BLOCK_START) {
	                this.dropLeadingWhitespace = false;
	                var n = this.parseStatement();
	                if(!n) {
	                    break;
	                }
	                buf.push(n);
	            }
	            else if(tok.type === lexer.TOKEN_VARIABLE_START) {
	                var e = this.parseExpression();
	                this.advanceAfterVariableEnd();
	                this.dropLeadingWhitespace = false;
	                buf.push(new nodes.Output(tok.lineno, tok.colno, [e]));
	            }
	            else if(tok.type === lexer.TOKEN_COMMENT) {
	                this.dropLeadingWhitespace = tok.value.charAt(
	                    tok.value.length - this.tokens.tags.COMMENT_END.length - 1
	                ) === '-';
	            } else {
	                // Ignore comments, otherwise this should be an error
	                this.fail('Unexpected token at top-level: ' +
	                                tok.type, tok.lineno, tok.colno);

	            }
	        }

	        return buf;
	    },

	    parse: function() {
	        return new nodes.NodeList(0, 0, this.parseNodes());
	    },

	    parseAsRoot: function() {
	        return new nodes.Root(0, 0, this.parseNodes());
	    }
	});

	// var util = require('util');

	// var l = lexer.lex('{%- if x -%}\n hello {% endif %}');
	// var t;
	// while((t = l.nextToken())) {
	//     console.log(util.inspect(t));
	// }

	// var p = new Parser(lexer.lex('hello {% filter title %}' +
	//                              'Hello madam how are you' +
	//                              '{% endfilter %}'));
	// var n = p.parseAsRoot();
	// nodes.printNodes(n);

	module.exports = {
	    parse: function(src, extensions, opts) {
	        var p = new Parser(lexer.lex(src, opts));
	        if (extensions !== undefined) {
	            p.extensions = extensions;
	        }
	        return p.parseAsRoot();
	    }
	};


/***/ },
/* 9 */
/***/ function(module, exports, __webpack_require__) {

	'use strict';

	var lib = __webpack_require__(1);

	var whitespaceChars = ' \n\t\r\u00A0';
	var delimChars = '()[]{}%*-+~/#,:|.<>=!';
	var intChars = '0123456789';

	var BLOCK_START = '{%';
	var BLOCK_END = '%}';
	var VARIABLE_START = '{{';
	var VARIABLE_END = '}}';
	var COMMENT_START = '{#';
	var COMMENT_END = '#}';

	var TOKEN_STRING = 'string';
	var TOKEN_WHITESPACE = 'whitespace';
	var TOKEN_DATA = 'data';
	var TOKEN_BLOCK_START = 'block-start';
	var TOKEN_BLOCK_END = 'block-end';
	var TOKEN_VARIABLE_START = 'variable-start';
	var TOKEN_VARIABLE_END = 'variable-end';
	var TOKEN_COMMENT = 'comment';
	var TOKEN_LEFT_PAREN = 'left-paren';
	var TOKEN_RIGHT_PAREN = 'right-paren';
	var TOKEN_LEFT_BRACKET = 'left-bracket';
	var TOKEN_RIGHT_BRACKET = 'right-bracket';
	var TOKEN_LEFT_CURLY = 'left-curly';
	var TOKEN_RIGHT_CURLY = 'right-curly';
	var TOKEN_OPERATOR = 'operator';
	var TOKEN_COMMA = 'comma';
	var TOKEN_COLON = 'colon';
	var TOKEN_TILDE = 'tilde';
	var TOKEN_PIPE = 'pipe';
	var TOKEN_INT = 'int';
	var TOKEN_FLOAT = 'float';
	var TOKEN_BOOLEAN = 'boolean';
	var TOKEN_NONE = 'none';
	var TOKEN_SYMBOL = 'symbol';
	var TOKEN_SPECIAL = 'special';
	var TOKEN_REGEX = 'regex';

	function token(type, value, lineno, colno) {
	    return {
	        type: type,
	        value: value,
	        lineno: lineno,
	        colno: colno
	    };
	}

	function Tokenizer(str, opts) {
	    this.str = str;
	    this.index = 0;
	    this.len = str.length;
	    this.lineno = 0;
	    this.colno = 0;

	    this.in_code = false;

	    opts = opts || {};

	    var tags = opts.tags || {};
	    this.tags = {
	        BLOCK_START: tags.blockStart || BLOCK_START,
	        BLOCK_END: tags.blockEnd || BLOCK_END,
	        VARIABLE_START: tags.variableStart || VARIABLE_START,
	        VARIABLE_END: tags.variableEnd || VARIABLE_END,
	        COMMENT_START: tags.commentStart || COMMENT_START,
	        COMMENT_END: tags.commentEnd || COMMENT_END
	    };

	    this.trimBlocks = !!opts.trimBlocks;
	    this.lstripBlocks = !!opts.lstripBlocks;
	}

	Tokenizer.prototype.nextToken = function() {
	    var lineno = this.lineno;
	    var colno = this.colno;
	    var tok;

	    if(this.in_code) {
	        // Otherwise, if we are in a block parse it as code
	        var cur = this.current();

	        if(this.is_finished()) {
	            // We have nothing else to parse
	            return null;
	        }
	        else if(cur === '"' || cur === '\'') {
	            // We've hit a string
	            return token(TOKEN_STRING, this.parseString(cur), lineno, colno);
	        }
	        else if((tok = this._extract(whitespaceChars))) {
	            // We hit some whitespace
	            return token(TOKEN_WHITESPACE, tok, lineno, colno);
	        }
	        else if((tok = this._extractString(this.tags.BLOCK_END)) ||
	                (tok = this._extractString('-' + this.tags.BLOCK_END))) {
	            // Special check for the block end tag
	            //
	            // It is a requirement that start and end tags are composed of
	            // delimiter characters (%{}[] etc), and our code always
	            // breaks on delimiters so we can assume the token parsing
	            // doesn't consume these elsewhere
	            this.in_code = false;
	            if(this.trimBlocks) {
	                cur = this.current();
	                if(cur === '\n') {
	                    // Skip newline
	                    this.forward();
	                }else if(cur === '\r'){
	                    // Skip CRLF newline
	                    this.forward();
	                    cur = this.current();
	                    if(cur === '\n'){
	                        this.forward();
	                    }else{
	                        // Was not a CRLF, so go back
	                        this.back();
	                    }
	                }
	            }
	            return token(TOKEN_BLOCK_END, tok, lineno, colno);
	        }
	        else if((tok = this._extractString(this.tags.VARIABLE_END))) {
	            // Special check for variable end tag (see above)
	            this.in_code = false;
	            return token(TOKEN_VARIABLE_END, tok, lineno, colno);
	        }
	        else if (cur === 'r' && this.str.charAt(this.index + 1) === '/') {
	            // Skip past 'r/'.
	            this.forwardN(2);

	            // Extract until the end of the regex -- / ends it, \/ does not.
	            var regexBody = '';
	            while (!this.is_finished()) {
	                if (this.current() === '/' && this.previous() !== '\\') {
	                    this.forward();
	                    break;
	                } else {
	                    regexBody += this.current();
	                    this.forward();
	                }
	            }

	            // Check for flags.
	            // The possible flags are according to https://developer.mozilla.org/en/docs/Web/JavaScript/Reference/Global_Objects/RegExp)
	            var POSSIBLE_FLAGS = ['g', 'i', 'm', 'y'];
	            var regexFlags = '';
	            while (!this.is_finished()) {
	                var isCurrentAFlag = POSSIBLE_FLAGS.indexOf(this.current()) !== -1;
	                if (isCurrentAFlag) {
	                    regexFlags += this.current();
	                    this.forward();
	                } else {
	                    break;
	                }
	            }

	            return token(TOKEN_REGEX, {body: regexBody, flags: regexFlags}, lineno, colno);
	        }
	        else if(delimChars.indexOf(cur) !== -1) {
	            // We've hit a delimiter (a special char like a bracket)
	            this.forward();
	            var complexOps = ['==', '===', '!=', '!==', '<=', '>=', '//', '**'];
	            var curComplex = cur + this.current();
	            var type;

	            if(lib.indexOf(complexOps, curComplex) !== -1) {
	                this.forward();
	                cur = curComplex;

	                // See if this is a strict equality/inequality comparator
	                if(lib.indexOf(complexOps, curComplex + this.current()) !== -1) {
	                    cur = curComplex + this.current();
	                    this.forward();
	                }
	            }

	            switch(cur) {
	            case '(': type = TOKEN_LEFT_PAREN; break;
	            case ')': type = TOKEN_RIGHT_PAREN; break;
	            case '[': type = TOKEN_LEFT_BRACKET; break;
	            case ']': type = TOKEN_RIGHT_BRACKET; break;
	            case '{': type = TOKEN_LEFT_CURLY; break;
	            case '}': type = TOKEN_RIGHT_CURLY; break;
	            case ',': type = TOKEN_COMMA; break;
	            case ':': type = TOKEN_COLON; break;
	            case '~': type = TOKEN_TILDE; break;
	            case '|': type = TOKEN_PIPE; break;
	            default: type = TOKEN_OPERATOR;
	            }

	            return token(type, cur, lineno, colno);
	        }
	        else {
	            // We are not at whitespace or a delimiter, so extract the
	            // text and parse it
	            tok = this._extractUntil(whitespaceChars + delimChars);

	            if(tok.match(/^[-+]?[0-9]+$/)) {
	                if(this.current() === '.') {
	                    this.forward();
	                    var dec = this._extract(intChars);
	                    return token(TOKEN_FLOAT, tok + '.' + dec, lineno, colno);
	                }
	                else {
	                    return token(TOKEN_INT, tok, lineno, colno);
	                }
	            }
	            else if(tok.match(/^(true|false)$/)) {
	                return token(TOKEN_BOOLEAN, tok, lineno, colno);
	            }
	            else if(tok === 'none') {
	                return token(TOKEN_NONE, tok, lineno, colno);
	            }
	            else if(tok) {
	                return token(TOKEN_SYMBOL, tok, lineno, colno);
	            }
	            else {
	                throw new Error('Unexpected value while parsing: ' + tok);
	            }
	        }
	    }
	    else {
	        // Parse out the template text, breaking on tag
	        // delimiters because we need to look for block/variable start
	        // tags (don't use the full delimChars for optimization)
	        var beginChars = (this.tags.BLOCK_START.charAt(0) +
	                          this.tags.VARIABLE_START.charAt(0) +
	                          this.tags.COMMENT_START.charAt(0) +
	                          this.tags.COMMENT_END.charAt(0));

	        if(this.is_finished()) {
	            return null;
	        }
	        else if((tok = this._extractString(this.tags.BLOCK_START + '-')) ||
	                (tok = this._extractString(this.tags.BLOCK_START))) {
	            this.in_code = true;
	            return token(TOKEN_BLOCK_START, tok, lineno, colno);
	        }
	        else if((tok = this._extractString(this.tags.VARIABLE_START))) {
	            this.in_code = true;
	            return token(TOKEN_VARIABLE_START, tok, lineno, colno);
	        }
	        else {
	            tok = '';
	            var data;
	            var in_comment = false;

	            if(this._matches(this.tags.COMMENT_START)) {
	                in_comment = true;
	                tok = this._extractString(this.tags.COMMENT_START);
	            }

	            // Continually consume text, breaking on the tag delimiter
	            // characters and checking to see if it's a start tag.
	            //
	            // We could hit the end of the template in the middle of
	            // our looping, so check for the null return value from
	            // _extractUntil
	            while((data = this._extractUntil(beginChars)) !== null) {
	                tok += data;

	                if((this._matches(this.tags.BLOCK_START) ||
	                    this._matches(this.tags.VARIABLE_START) ||
	                    this._matches(this.tags.COMMENT_START)) &&
	                  !in_comment) {
	                    if(this.lstripBlocks &&
	                        this._matches(this.tags.BLOCK_START) &&
	                        this.colno > 0 &&
	                        this.colno <= tok.length) {
	                        var lastLine = tok.slice(-this.colno);
	                        if(/^\s+$/.test(lastLine)) {
	                            // Remove block leading whitespace from beginning of the string
	                            tok = tok.slice(0, -this.colno);
	                            if(!tok.length) {
	                                // All data removed, collapse to avoid unnecessary nodes
	                                // by returning next token (block start)
	                                return this.nextToken();
	                            }
	                        }
	                    }
	                    // If it is a start tag, stop looping
	                    break;
	                }
	                else if(this._matches(this.tags.COMMENT_END)) {
	                    if(!in_comment) {
	                        throw new Error('unexpected end of comment');
	                    }
	                    tok += this._extractString(this.tags.COMMENT_END);
	                    break;
	                }
	                else {
	                    // It does not match any tag, so add the character and
	                    // carry on
	                    tok += this.current();
	                    this.forward();
	                }
	            }

	            if(data === null && in_comment) {
	                throw new Error('expected end of comment, got end of file');
	            }

	            return token(in_comment ? TOKEN_COMMENT : TOKEN_DATA,
	                         tok,
	                         lineno,
	                         colno);
	        }
	    }

	    throw new Error('Could not parse text');
	};

	Tokenizer.prototype.parseString = function(delimiter) {
	    this.forward();

	    var str = '';

	    while(!this.is_finished() && this.current() !== delimiter) {
	        var cur = this.current();

	        if(cur === '\\') {
	            this.forward();
	            switch(this.current()) {
	            case 'n': str += '\n'; break;
	            case 't': str += '\t'; break;
	            case 'r': str += '\r'; break;
	            default:
	                str += this.current();
	            }
	            this.forward();
	        }
	        else {
	            str += cur;
	            this.forward();
	        }
	    }

	    this.forward();
	    return str;
	};

	Tokenizer.prototype._matches = function(str) {
	    if(this.index + str.length > this.len) {
	        return null;
	    }

	    var m = this.str.slice(this.index, this.index + str.length);
	    return m === str;
	};

	Tokenizer.prototype._extractString = function(str) {
	    if(this._matches(str)) {
	        this.index += str.length;
	        return str;
	    }
	    return null;
	};

	Tokenizer.prototype._extractUntil = function(charString) {
	    // Extract all non-matching chars, with the default matching set
	    // to everything
	    return this._extractMatching(true, charString || '');
	};

	Tokenizer.prototype._extract = function(charString) {
	    // Extract all matching chars (no default, so charString must be
	    // explicit)
	    return this._extractMatching(false, charString);
	};

	Tokenizer.prototype._extractMatching = function (breakOnMatch, charString) {
	    // Pull out characters until a breaking char is hit.
	    // If breakOnMatch is false, a non-matching char stops it.
	    // If breakOnMatch is true, a matching char stops it.

	    if(this.is_finished()) {
	        return null;
	    }

	    var first = charString.indexOf(this.current());

	    // Only proceed if the first character doesn't meet our condition
	    if((breakOnMatch && first === -1) ||
	       (!breakOnMatch && first !== -1)) {
	        var t = this.current();
	        this.forward();

	        // And pull out all the chars one at a time until we hit a
	        // breaking char
	        var idx = charString.indexOf(this.current());

	        while(((breakOnMatch && idx === -1) ||
	               (!breakOnMatch && idx !== -1)) && !this.is_finished()) {
	            t += this.current();
	            this.forward();

	            idx = charString.indexOf(this.current());
	        }

	        return t;
	    }

	    return '';
	};

	Tokenizer.prototype._extractRegex = function(regex) {
	    var matches = this.currentStr().match(regex);
	    if(!matches) {
	        return null;
	    }

	    // Move forward whatever was matched
	    this.forwardN(matches[0].length);

	    return matches;
	};

	Tokenizer.prototype.is_finished = function() {
	    return this.index >= this.len;
	};

	Tokenizer.prototype.forwardN = function(n) {
	    for(var i=0; i<n; i++) {
	        this.forward();
	    }
	};

	Tokenizer.prototype.forward = function() {
	    this.index++;

	    if(this.previous() === '\n') {
	        this.lineno++;
	        this.colno = 0;
	    }
	    else {
	        this.colno++;
	    }
	};

	Tokenizer.prototype.backN = function(n) {
	    for(var i=0; i<n; i++) {
	        this.back();
	    }
	};

	Tokenizer.prototype.back = function() {
	    this.index--;

	    if(this.current() === '\n') {
	        this.lineno--;

	        var idx = this.src.lastIndexOf('\n', this.index-1);
	        if(idx === -1) {
	            this.colno = this.index;
	        }
	        else {
	            this.colno = this.index - idx;
	        }
	    }
	    else {
	        this.colno--;
	    }
	};

	// current returns current character
	Tokenizer.prototype.current = function() {
	    if(!this.is_finished()) {
	        return this.str.charAt(this.index);
	    }
	    return '';
	};

	// currentStr returns what's left of the unparsed string
	Tokenizer.prototype.currentStr = function() {
	    if(!this.is_finished()) {
	        return this.str.substr(this.index);
	    }
	    return '';
	};

	Tokenizer.prototype.previous = function() {
	    return this.str.charAt(this.index-1);
	};

	module.exports = {
	    lex: function(src, opts) {
	        return new Tokenizer(src, opts);
	    },

	    TOKEN_STRING: TOKEN_STRING,
	    TOKEN_WHITESPACE: TOKEN_WHITESPACE,
	    TOKEN_DATA: TOKEN_DATA,
	    TOKEN_BLOCK_START: TOKEN_BLOCK_START,
	    TOKEN_BLOCK_END: TOKEN_BLOCK_END,
	    TOKEN_VARIABLE_START: TOKEN_VARIABLE_START,
	    TOKEN_VARIABLE_END: TOKEN_VARIABLE_END,
	    TOKEN_COMMENT: TOKEN_COMMENT,
	    TOKEN_LEFT_PAREN: TOKEN_LEFT_PAREN,
	    TOKEN_RIGHT_PAREN: TOKEN_RIGHT_PAREN,
	    TOKEN_LEFT_BRACKET: TOKEN_LEFT_BRACKET,
	    TOKEN_RIGHT_BRACKET: TOKEN_RIGHT_BRACKET,
	    TOKEN_LEFT_CURLY: TOKEN_LEFT_CURLY,
	    TOKEN_RIGHT_CURLY: TOKEN_RIGHT_CURLY,
	    TOKEN_OPERATOR: TOKEN_OPERATOR,
	    TOKEN_COMMA: TOKEN_COMMA,
	    TOKEN_COLON: TOKEN_COLON,
	    TOKEN_TILDE: TOKEN_TILDE,
	    TOKEN_PIPE: TOKEN_PIPE,
	    TOKEN_INT: TOKEN_INT,
	    TOKEN_FLOAT: TOKEN_FLOAT,
	    TOKEN_BOOLEAN: TOKEN_BOOLEAN,
	    TOKEN_NONE: TOKEN_NONE,
	    TOKEN_SYMBOL: TOKEN_SYMBOL,
	    TOKEN_SPECIAL: TOKEN_SPECIAL,
	    TOKEN_REGEX: TOKEN_REGEX
	};


/***/ },
/* 10 */
/***/ function(module, exports, __webpack_require__) {

	/* WEBPACK VAR INJECTION */(function(process) {'use strict';

	var lib = __webpack_require__(1);
	// jshint -W079
	var Object = __webpack_require__(6);

	function traverseAndCheck(obj, type, results) {
	    if(obj instanceof type) {
	        results.push(obj);
	    }

	    if(obj instanceof Node) {
	        obj.findAll(type, results);
	    }
	}

	var Node = Object.extend('Node', {
	    init: function(lineno, colno) {
	        this.lineno = lineno;
	        this.colno = colno;

	        var fields = this.fields;
	        for(var i = 0, l = fields.length; i < l; i++) {
	            var field = fields[i];

	            // The first two args are line/col numbers, so offset by 2
	            var val = arguments[i + 2];

	            // Fields should never be undefined, but null. It makes
	            // testing easier to normalize values.
	            if(val === undefined) {
	                val = null;
	            }

	            this[field] = val;
	        }
	    },

	    findAll: function(type, results) {
	        results = results || [];

	        var i, l;
	        if(this instanceof NodeList) {
	            var children = this.children;

	            for(i = 0, l = children.length; i < l; i++) {
	                traverseAndCheck(children[i], type, results);
	            }
	        }
	        else {
	            var fields = this.fields;

	            for(i = 0, l = fields.length; i < l; i++) {
	                traverseAndCheck(this[fields[i]], type, results);
	            }
	        }

	        return results;
	    },

	    iterFields: function(func) {
	        lib.each(this.fields, function(field) {
	            func(this[field], field);
	        }, this);
	    }
	});

	// Abstract nodes
	var Value = Node.extend('Value', { fields: ['value'] });

	// Concrete nodes
	var NodeList = Node.extend('NodeList', {
	    fields: ['children'],

	    init: function(lineno, colno, nodes) {
	        this.parent(lineno, colno, nodes || []);
	    },

	    addChild: function(node) {
	        this.children.push(node);
	    }
	});

	var Root = NodeList.extend('Root');
	var Literal = Value.extend('Literal');
	var Symbol = Value.extend('Symbol');
	var Group = NodeList.extend('Group');
	var Array = NodeList.extend('Array');
	var Pair = Node.extend('Pair', { fields: ['key', 'value'] });
	var Dict = NodeList.extend('Dict');
	var LookupVal = Node.extend('LookupVal', { fields: ['target', 'val'] });
	var If = Node.extend('If', { fields: ['cond', 'body', 'else_'] });
	var IfAsync = If.extend('IfAsync');
	var InlineIf = Node.extend('InlineIf', { fields: ['cond', 'body', 'else_'] });
	var For = Node.extend('For', { fields: ['arr', 'name', 'body', 'else_'] });
	var AsyncEach = For.extend('AsyncEach');
	var AsyncAll = For.extend('AsyncAll');
	var Macro = Node.extend('Macro', { fields: ['name', 'args', 'body'] });
	var Caller = Macro.extend('Caller');
	var Import = Node.extend('Import', { fields: ['template', 'target', 'withContext'] });
	var FromImport = Node.extend('FromImport', {
	    fields: ['template', 'names', 'withContext'],

	    init: function(lineno, colno, template, names, withContext) {
	        this.parent(lineno, colno,
	                    template,
	                    names || new NodeList(), withContext);
	    }
	});
	var FunCall = Node.extend('FunCall', { fields: ['name', 'args'] });
	var Filter = FunCall.extend('Filter');
	var FilterAsync = Filter.extend('FilterAsync', {
	    fields: ['name', 'args', 'symbol']
	});
	var KeywordArgs = Dict.extend('KeywordArgs');
	var Block = Node.extend('Block', { fields: ['name', 'body'] });
	var Super = Node.extend('Super', { fields: ['blockName', 'symbol'] });
	var TemplateRef = Node.extend('TemplateRef', { fields: ['template'] });
	var Extends = TemplateRef.extend('Extends');
	var Include = Node.extend('Include', { fields: ['template', 'ignoreMissing'] });
	var Set = Node.extend('Set', { fields: ['targets', 'value'] });
	var Output = NodeList.extend('Output');
	var Capture = Node.extend('Capture', { fields: ['body'] });
	var TemplateData = Literal.extend('TemplateData');
	var UnaryOp = Node.extend('UnaryOp', { fields: ['target'] });
	var BinOp = Node.extend('BinOp', { fields: ['left', 'right'] });
	var In = BinOp.extend('In');
	var Or = BinOp.extend('Or');
	var And = BinOp.extend('And');
	var Not = UnaryOp.extend('Not');
	var Add = BinOp.extend('Add');
	var Concat = BinOp.extend('Concat');
	var Sub = BinOp.extend('Sub');
	var Mul = BinOp.extend('Mul');
	var Div = BinOp.extend('Div');
	var FloorDiv = BinOp.extend('FloorDiv');
	var Mod = BinOp.extend('Mod');
	var Pow = BinOp.extend('Pow');
	var Neg = UnaryOp.extend('Neg');
	var Pos = UnaryOp.extend('Pos');
	var Compare = Node.extend('Compare', { fields: ['expr', 'ops'] });
	var CompareOperand = Node.extend('CompareOperand', {
	    fields: ['expr', 'type']
	});

	var CallExtension = Node.extend('CallExtension', {
	    fields: ['extName', 'prop', 'args', 'contentArgs'],

	    init: function(ext, prop, args, contentArgs) {
	        this.extName = ext._name || ext;
	        this.prop = prop;
	        this.args = args || new NodeList();
	        this.contentArgs = contentArgs || [];
	        this.autoescape = ext.autoescape;
	    }
	});

	var CallExtensionAsync = CallExtension.extend('CallExtensionAsync');

	// Print the AST in a nicely formatted tree format for debuggin
	function printNodes(node, indent) {
	    indent = indent || 0;

	    // This is hacky, but this is just a debugging function anyway
	    function print(str, indent, inline) {
	        var lines = str.split('\n');

	        for(var i=0; i<lines.length; i++) {
	            if(lines[i]) {
	                if((inline && i > 0) || !inline) {
	                    for(var j=0; j<indent; j++) {
	                        process.stdout.write(' ');
	                    }
	                }
	            }

	            if(i === lines.length-1) {
	                process.stdout.write(lines[i]);
	            }
	            else {
	                process.stdout.write(lines[i] + '\n');
	            }
	        }
	    }

	    print(node.typename + ': ', indent);

	    if(node instanceof NodeList) {
	        print('\n');
	        lib.each(node.children, function(n) {
	            printNodes(n, indent + 2);
	        });
	    }
	    else if(node instanceof CallExtension) {
	        print(node.extName + '.' + node.prop);
	        print('\n');

	        if(node.args) {
	            printNodes(node.args, indent + 2);
	        }

	        if(node.contentArgs) {
	            lib.each(node.contentArgs, function(n) {
	                printNodes(n, indent + 2);
	            });
	        }
	    }
	    else {
	        var nodes = null;
	        var props = null;

	        node.iterFields(function(val, field) {
	            if(val instanceof Node) {
	                nodes = nodes || {};
	                nodes[field] = val;
	            }
	            else {
	                props = props || {};
	                props[field] = val;
	            }
	        });

	        if(props) {
	            print(JSON.stringify(props, null, 2) + '\n', null, true);
	        }
	        else {
	            print('\n');
	        }

	        if(nodes) {
	            for(var k in nodes) {
	                printNodes(nodes[k], indent + 2);
	            }
	        }

	    }
	}

	// var t = new NodeList(0, 0,
	//                      [new Value(0, 0, 3),
	//                       new Value(0, 0, 10),
	//                       new Pair(0, 0,
	//                                new Value(0, 0, 'key'),
	//                                new Value(0, 0, 'value'))]);
	// printNodes(t);

	module.exports = {
	    Node: Node,
	    Root: Root,
	    NodeList: NodeList,
	    Value: Value,
	    Literal: Literal,
	    Symbol: Symbol,
	    Group: Group,
	    Array: Array,
	    Pair: Pair,
	    Dict: Dict,
	    Output: Output,
	    Capture: Capture,
	    TemplateData: TemplateData,
	    If: If,
	    IfAsync: IfAsync,
	    InlineIf: InlineIf,
	    For: For,
	    AsyncEach: AsyncEach,
	    AsyncAll: AsyncAll,
	    Macro: Macro,
	    Caller: Caller,
	    Import: Import,
	    FromImport: FromImport,
	    FunCall: FunCall,
	    Filter: Filter,
	    FilterAsync: FilterAsync,
	    KeywordArgs: KeywordArgs,
	    Block: Block,
	    Super: Super,
	    Extends: Extends,
	    Include: Include,
	    Set: Set,
	    LookupVal: LookupVal,
	    BinOp: BinOp,
	    In: In,
	    Or: Or,
	    And: And,
	    Not: Not,
	    Add: Add,
	    Concat: Concat,
	    Sub: Sub,
	    Mul: Mul,
	    Div: Div,
	    FloorDiv: FloorDiv,
	    Mod: Mod,
	    Pow: Pow,
	    Neg: Neg,
	    Pos: Pos,
	    Compare: Compare,
	    CompareOperand: CompareOperand,

	    CallExtension: CallExtension,
	    CallExtensionAsync: CallExtensionAsync,

	    printNodes: printNodes
	};

	/* WEBPACK VAR INJECTION */}.call(exports, __webpack_require__(3)))

/***/ },
/* 11 */
/***/ function(module, exports, __webpack_require__) {

	'use strict';

	var nodes = __webpack_require__(10);
	var lib = __webpack_require__(1);

	var sym = 0;
	function gensym() {
	    return 'hole_' + sym++;
	}

	// copy-on-write version of map
	function mapCOW(arr, func) {
	    var res = null;

	    for(var i=0; i<arr.length; i++) {
	        var item = func(arr[i]);

	        if(item !== arr[i]) {
	            if(!res) {
	                res = arr.slice();
	            }

	            res[i] = item;
	        }
	    }

	    return res || arr;
	}

	function walk(ast, func, depthFirst) {
	    if(!(ast instanceof nodes.Node)) {
	        return ast;
	    }

	    if(!depthFirst) {
	        var astT = func(ast);

	        if(astT && astT !== ast) {
	            return astT;
	        }
	    }

	    if(ast instanceof nodes.NodeList) {
	        var children = mapCOW(ast.children, function(node) {
	            return walk(node, func, depthFirst);
	        });

	        if(children !== ast.children) {
	            ast = new nodes[ast.typename](ast.lineno, ast.colno, children);
	        }
	    }
	    else if(ast instanceof nodes.CallExtension) {
	        var args = walk(ast.args, func, depthFirst);

	        var contentArgs = mapCOW(ast.contentArgs, function(node) {
	            return walk(node, func, depthFirst);
	        });

	        if(args !== ast.args || contentArgs !== ast.contentArgs) {
	            ast = new nodes[ast.typename](ast.extName,
	                                          ast.prop,
	                                          args,
	                                          contentArgs);
	        }
	    }
	    else {
	        var props = ast.fields.map(function(field) {
	            return ast[field];
	        });

	        var propsT = mapCOW(props, function(prop) {
	            return walk(prop, func, depthFirst);
	        });

	        if(propsT !== props) {
	            ast = new nodes[ast.typename](ast.lineno, ast.colno);

	            propsT.forEach(function(prop, i) {
	                ast[ast.fields[i]] = prop;
	            });
	        }
	    }

	    return depthFirst ? (func(ast) || ast) : ast;
	}

	function depthWalk(ast, func) {
	    return walk(ast, func, true);
	}

	function _liftFilters(node, asyncFilters, prop) {
	    var children = [];

	    var walked = depthWalk(prop ? node[prop] : node, function(node) {
	        if(node instanceof nodes.Block) {
	            return node;
	        }
	        else if((node instanceof nodes.Filter &&
	                 lib.indexOf(asyncFilters, node.name.value) !== -1) ||
	                node instanceof nodes.CallExtensionAsync) {
	            var symbol = new nodes.Symbol(node.lineno,
	                                          node.colno,
	                                          gensym());

	            children.push(new nodes.FilterAsync(node.lineno,
	                                                node.colno,
	                                                node.name,
	                                                node.args,
	                                                symbol));
	            return symbol;
	        }
	    });

	    if(prop) {
	        node[prop] = walked;
	    }
	    else {
	        node = walked;
	    }

	    if(children.length) {
	        children.push(node);

	        return new nodes.NodeList(
	            node.lineno,
	            node.colno,
	            children
	        );
	    }
	    else {
	        return node;
	    }
	}

	function liftFilters(ast, asyncFilters) {
	    return depthWalk(ast, function(node) {
	        if(node instanceof nodes.Output) {
	            return _liftFilters(node, asyncFilters);
	        }
	        else if(node instanceof nodes.Set) {
	            return _liftFilters(node, asyncFilters, 'value');
	        }
	        else if(node instanceof nodes.For) {
	            return _liftFilters(node, asyncFilters, 'arr');
	        }
	        else if(node instanceof nodes.If) {
	            return _liftFilters(node, asyncFilters, 'cond');
	        }
	        else if(node instanceof nodes.CallExtension) {
	            return _liftFilters(node, asyncFilters, 'args');
	        }
	    });
	}

	function liftSuper(ast) {
	    return walk(ast, function(blockNode) {
	        if(!(blockNode instanceof nodes.Block)) {
	            return;
	        }

	        var hasSuper = false;
	        var symbol = gensym();

	        blockNode.body = walk(blockNode.body, function(node) {
	            if(node instanceof nodes.FunCall &&
	               node.name.value === 'super') {
	                hasSuper = true;
	                return new nodes.Symbol(node.lineno, node.colno, symbol);
	            }
	        });

	        if(hasSuper) {
	            blockNode.body.children.unshift(new nodes.Super(
	                0, 0, blockNode.name, new nodes.Symbol(0, 0, symbol)
	            ));
	        }
	    });
	}

	function convertStatements(ast) {
	    return depthWalk(ast, function(node) {
	        if(!(node instanceof nodes.If) &&
	           !(node instanceof nodes.For)) {
	            return;
	        }

	        var async = false;
	        walk(node, function(node) {
	            if(node instanceof nodes.FilterAsync ||
	               node instanceof nodes.IfAsync ||
	               node instanceof nodes.AsyncEach ||
	               node instanceof nodes.AsyncAll ||
	               node instanceof nodes.CallExtensionAsync) {
	                async = true;
	                // Stop iterating by returning the node
	                return node;
	            }
	        });

	        if(async) {
		        if(node instanceof nodes.If) {
	                return new nodes.IfAsync(
	                    node.lineno,
	                    node.colno,
	                    node.cond,
	                    node.body,
	                    node.else_
	                );
	            }
	            else if(node instanceof nodes.For) {
	                return new nodes.AsyncEach(
	                    node.lineno,
	                    node.colno,
	                    node.arr,
	                    node.name,
	                    node.body,
	                    node.else_
	                );
	            }
	        }
	    });
	}

	function cps(ast, asyncFilters) {
	    return convertStatements(liftSuper(liftFilters(ast, asyncFilters)));
	}

	function transform(ast, asyncFilters) {
	    return cps(ast, asyncFilters || []);
	}

	// var parser = require('./parser');
	// var src = 'hello {% foo %}{% endfoo %} end';
	// var ast = transform(parser.parse(src, [new FooExtension()]), ['bar']);
	// nodes.printNodes(ast);

	module.exports = {
	    transform: transform
	};


/***/ },
/* 12 */
/***/ function(module, exports, __webpack_require__) {

	'use strict';

	var lib = __webpack_require__(1);
	var Obj = __webpack_require__(6);

	// Frames keep track of scoping both at compile-time and run-time so
	// we know how to access variables. Block tags can introduce special
	// variables, for example.
	var Frame = Obj.extend({
	    init: function(parent, isolateWrites) {
	        this.variables = {};
	        this.parent = parent;
	        this.topLevel = false;
	        // if this is true, writes (set) should never propagate upwards past
	        // this frame to its parent (though reads may).
	        this.isolateWrites = isolateWrites;
	    },

	    set: function(name, val, resolveUp) {
	        // Allow variables with dots by automatically creating the
	        // nested structure
	        var parts = name.split('.');
	        var obj = this.variables;
	        var frame = this;

	        if(resolveUp) {
	            if((frame = this.resolve(parts[0], true))) {
	                frame.set(name, val);
	                return;
	            }
	        }

	        for(var i=0; i<parts.length - 1; i++) {
	            var id = parts[i];

	            if(!obj[id]) {
	                obj[id] = {};
	            }
	            obj = obj[id];
	        }

	        obj[parts[parts.length - 1]] = val;
	    },

	    get: function(name) {
	        var val = this.variables[name];
	        if(val !== undefined && val !== null) {
	            return val;
	        }
	        return null;
	    },

	    lookup: function(name) {
	        var p = this.parent;
	        var val = this.variables[name];
	        if(val !== undefined && val !== null) {
	            return val;
	        }
	        return p && p.lookup(name);
	    },

	    resolve: function(name, forWrite) {
	        var p = (forWrite && this.isolateWrites) ? undefined : this.parent;
	        var val = this.variables[name];
	        if(val !== undefined && val !== null) {
	            return this;
	        }
	        return p && p.resolve(name);
	    },

	    push: function(isolateWrites) {
	        return new Frame(this, isolateWrites);
	    },

	    pop: function() {
	        return this.parent;
	    }
	});

	function makeMacro(argNames, kwargNames, func) {
	    return function() {
	        var argCount = numArgs(arguments);
	        var args;
	        var kwargs = getKeywordArgs(arguments);
	        var i;

	        if(argCount > argNames.length) {
	            args = Array.prototype.slice.call(arguments, 0, argNames.length);

	            // Positional arguments that should be passed in as
	            // keyword arguments (essentially default values)
	            var vals = Array.prototype.slice.call(arguments, args.length, argCount);
	            for(i = 0; i < vals.length; i++) {
	                if(i < kwargNames.length) {
	                    kwargs[kwargNames[i]] = vals[i];
	                }
	            }

	            args.push(kwargs);
	        }
	        else if(argCount < argNames.length) {
	            args = Array.prototype.slice.call(arguments, 0, argCount);

	            for(i = argCount; i < argNames.length; i++) {
	                var arg = argNames[i];

	                // Keyword arguments that should be passed as
	                // positional arguments, i.e. the caller explicitly
	                // used the name of a positional arg
	                args.push(kwargs[arg]);
	                delete kwargs[arg];
	            }

	            args.push(kwargs);
	        }
	        else {
	            args = arguments;
	        }

	        return func.apply(this, args);
	    };
	}

	function makeKeywordArgs(obj) {
	    obj.__keywords = true;
	    return obj;
	}

	function getKeywordArgs(args) {
	    var len = args.length;
	    if(len) {
	        var lastArg = args[len - 1];
	        if(lastArg && lastArg.hasOwnProperty('__keywords')) {
	            return lastArg;
	        }
	    }
	    return {};
	}

	function numArgs(args) {
	    var len = args.length;
	    if(len === 0) {
	        return 0;
	    }

	    var lastArg = args[len - 1];
	    if(lastArg && lastArg.hasOwnProperty('__keywords')) {
	        return len - 1;
	    }
	    else {
	        return len;
	    }
	}

	// A SafeString object indicates that the string should not be
	// autoescaped. This happens magically because autoescaping only
	// occurs on primitive string objects.
	function SafeString(val) {
	    if(typeof val !== 'string') {
	        return val;
	    }

	    this.val = val;
	    this.length = val.length;
	}

	SafeString.prototype = Object.create(String.prototype, {
	    length: { writable: true, configurable: true, value: 0 }
	});
	SafeString.prototype.valueOf = function() {
	    return this.val;
	};
	SafeString.prototype.toString = function() {
	    return this.val;
	};

	function copySafeness(dest, target) {
	    if(dest instanceof SafeString) {
	        return new SafeString(target);
	    }
	    return target.toString();
	}

	function markSafe(val) {
	    var type = typeof val;

	    if(type === 'string') {
	        return new SafeString(val);
	    }
	    else if(type !== 'function') {
	        return val;
	    }
	    else {
	        return function() {
	            var ret = val.apply(this, arguments);

	            if(typeof ret === 'string') {
	                return new SafeString(ret);
	            }

	            return ret;
	        };
	    }
	}

	function suppressValue(val, autoescape) {
	    val = (val !== undefined && val !== null) ? val : '';

	    if(autoescape && !(val instanceof SafeString)) {
	        val = lib.escape(val.toString());
	    }

	    return val;
	}

	function ensureDefined(val, lineno, colno) {
	    if(val === null || val === undefined) {
	        throw new lib.TemplateError(
	            'attempted to output null or undefined value',
	            lineno + 1,
	            colno + 1
	        );
	    }
	    return val;
	}

	function memberLookup(obj, val) {
	    obj = obj || {};

	    if(typeof obj[val] === 'function') {
	        return function() {
	            return obj[val].apply(obj, arguments);
	        };
	    }

	    return obj[val];
	}

	function callWrap(obj, name, context, args) {
	    if(!obj) {
	        throw new Error('Unable to call `' + name + '`, which is undefined or falsey');
	    }
	    else if(typeof obj !== 'function') {
	        throw new Error('Unable to call `' + name + '`, which is not a function');
	    }

	    // jshint validthis: true
	    return obj.apply(context, args);
	}

	function contextOrFrameLookup(context, frame, name) {
	    var val = frame.lookup(name);
	    return (val !== undefined && val !== null) ?
	        val :
	        context.lookup(name);
	}

	function handleError(error, lineno, colno) {
	    if(error.lineno) {
	        return error;
	    }
	    else {
	        return new lib.TemplateError(error, lineno, colno);
	    }
	}

	function asyncEach(arr, dimen, iter, cb) {
	    if(lib.isArray(arr)) {
	        var len = arr.length;

	        lib.asyncIter(arr, function(item, i, next) {
	            switch(dimen) {
	            case 1: iter(item, i, len, next); break;
	            case 2: iter(item[0], item[1], i, len, next); break;
	            case 3: iter(item[0], item[1], item[2], i, len, next); break;
	            default:
	                item.push(i, next);
	                iter.apply(this, item);
	            }
	        }, cb);
	    }
	    else {
	        lib.asyncFor(arr, function(key, val, i, len, next) {
	            iter(key, val, i, len, next);
	        }, cb);
	    }
	}

	function asyncAll(arr, dimen, func, cb) {
	    var finished = 0;
	    var len, i;
	    var outputArr;

	    function done(i, output) {
	        finished++;
	        outputArr[i] = output;

	        if(finished === len) {
	            cb(null, outputArr.join(''));
	        }
	    }

	    if(lib.isArray(arr)) {
	        len = arr.length;
	        outputArr = new Array(len);

	        if(len === 0) {
	            cb(null, '');
	        }
	        else {
	            for(i = 0; i < arr.length; i++) {
	                var item = arr[i];

	                switch(dimen) {
	                case 1: func(item, i, len, done); break;
	                case 2: func(item[0], item[1], i, len, done); break;
	                case 3: func(item[0], item[1], item[2], i, len, done); break;
	                default:
	                    item.push(i, done);
	                    // jshint validthis: true
	                    func.apply(this, item);
	                }
	            }
	        }
	    }
	    else {
	        var keys = lib.keys(arr);
	        len = keys.length;
	        outputArr = new Array(len);

	        if(len === 0) {
	            cb(null, '');
	        }
	        else {
	            for(i = 0; i < keys.length; i++) {
	                var k = keys[i];
	                func(k, arr[k], i, len, done);
	            }
	        }
	    }
	}

	module.exports = {
	    Frame: Frame,
	    makeMacro: makeMacro,
	    makeKeywordArgs: makeKeywordArgs,
	    numArgs: numArgs,
	    suppressValue: suppressValue,
	    ensureDefined: ensureDefined,
	    memberLookup: memberLookup,
	    contextOrFrameLookup: contextOrFrameLookup,
	    callWrap: callWrap,
	    handleError: handleError,
	    isArray: lib.isArray,
	    keys: lib.keys,
	    SafeString: SafeString,
	    copySafeness: copySafeness,
	    markSafe: markSafe,
	    asyncEach: asyncEach,
	    asyncAll: asyncAll,
	    inOperator: lib.inOperator
	};


/***/ },
/* 13 */
/***/ function(module, exports, __webpack_require__) {

	'use strict';

	var lib = __webpack_require__(1);
	var r = __webpack_require__(12);

	function normalize(value, defaultValue) {
	    if(value === null || value === undefined || value === false) {
	        return defaultValue;
	    }
	    return value;
	}

	var filters = {
	    abs: function(n) {
	        return Math.abs(n);
	    },

	    batch: function(arr, linecount, fill_with) {
	        var i;
	        var res = [];
	        var tmp = [];

	        for(i = 0; i < arr.length; i++) {
	            if(i % linecount === 0 && tmp.length) {
	                res.push(tmp);
	                tmp = [];
	            }

	            tmp.push(arr[i]);
	        }

	        if(tmp.length) {
	            if(fill_with) {
	                for(i = tmp.length; i < linecount; i++) {
	                    tmp.push(fill_with);
	                }
	            }

	            res.push(tmp);
	        }

	        return res;
	    },

	    capitalize: function(str) {
	        str = normalize(str, '');
	        var ret = str.toLowerCase();
	        return r.copySafeness(str, ret.charAt(0).toUpperCase() + ret.slice(1));
	    },

	    center: function(str, width) {
	        str = normalize(str, '');
	        width = width || 80;

	        if(str.length >= width) {
	            return str;
	        }

	        var spaces = width - str.length;
	        var pre = lib.repeat(' ', spaces/2 - spaces % 2);
	        var post = lib.repeat(' ', spaces/2);
	        return r.copySafeness(str, pre + str + post);
	    },

	    'default': function(val, def, bool) {
	        if(bool) {
	            return val ? val : def;
	        }
	        else {
	            return (val !== undefined) ? val : def;
	        }
	    },

	    dictsort: function(val, case_sensitive, by) {
	        if (!lib.isObject(val)) {
	            throw new lib.TemplateError('dictsort filter: val must be an object');
	        }

	        var array = [];
	        for (var k in val) {
	            // deliberately include properties from the object's prototype
	            array.push([k,val[k]]);
	        }

	        var si;
	        if (by === undefined || by === 'key') {
	            si = 0;
	        } else if (by === 'value') {
	            si = 1;
	        } else {
	            throw new lib.TemplateError(
	                'dictsort filter: You can only sort by either key or value');
	        }

	        array.sort(function(t1, t2) {
	            var a = t1[si];
	            var b = t2[si];

	            if (!case_sensitive) {
	                if (lib.isString(a)) {
	                    a = a.toUpperCase();
	                }
	                if (lib.isString(b)) {
	                    b = b.toUpperCase();
	                }
	            }

	            return a > b ? 1 : (a === b ? 0 : -1);
	        });

	        return array;
	    },

	    dump: function(obj) {
	        return JSON.stringify(obj);
	    },

	    escape: function(str) {
	        if(str instanceof r.SafeString) {
	            return str;
	        }
	        str = (str === null || str === undefined) ? '' : str;
	        return r.markSafe(lib.escape(str.toString()));
	    },

	    safe: function(str) {
	        if (str instanceof r.SafeString) {
	            return str;
	        }
	        str = (str === null || str === undefined) ? '' : str;
	        return r.markSafe(str.toString());
	    },

	    first: function(arr) {
	        return arr[0];
	    },

	    groupby: function(arr, attr) {
	        return lib.groupBy(arr, attr);
	    },

	    indent: function(str, width, indentfirst) {
	        str = normalize(str, '');

	        if (str === '') return '';

	        width = width || 4;
	        var res = '';
	        var lines = str.split('\n');
	        var sp = lib.repeat(' ', width);

	        for(var i=0; i<lines.length; i++) {
	            if(i === 0 && !indentfirst) {
	                res += lines[i] + '\n';
	            }
	            else {
	                res += sp + lines[i] + '\n';
	            }
	        }

	        return r.copySafeness(str, res);
	    },

	    join: function(arr, del, attr) {
	        del = del || '';

	        if(attr) {
	            arr = lib.map(arr, function(v) {
	                return v[attr];
	            });
	        }

	        return arr.join(del);
	    },

	    last: function(arr) {
	        return arr[arr.length-1];
	    },

	    length: function(val) {
	        var value = normalize(val, '');

	        if(value !== undefined) {
	            if(
	                (typeof Map === 'function' && value instanceof Map) ||
	                (typeof Set === 'function' && value instanceof Set)
	            ) {
	                // ECMAScript 2015 Maps and Sets
	                return value.size;
	            }
	            if(lib.isObject(value) && !(value instanceof r.SafeString)) {
	                // Objects (besides SafeStrings), non-primative Arrays
	                return Object.keys(value).length;
	            }
	            return value.length;
	        }
	        return 0;
	    },

	    list: function(val) {
	        if(lib.isString(val)) {
	            return val.split('');
	        }
	        else if(lib.isObject(val)) {
	            var keys = [];

	            if(Object.keys) {
	                keys = Object.keys(val);
	            }
	            else {
	                for(var k in val) {
	                    keys.push(k);
	                }
	            }

	            return lib.map(keys, function(k) {
	                return { key: k,
	                         value: val[k] };
	            });
	        }
	        else if(lib.isArray(val)) {
	          return val;
	        }
	        else {
	            throw new lib.TemplateError('list filter: type not iterable');
	        }
	    },

	    lower: function(str) {
	        str = normalize(str, '');
	        return str.toLowerCase();
	    },

	    random: function(arr) {
	        return arr[Math.floor(Math.random() * arr.length)];
	    },

	    rejectattr: function(arr, attr) {
	      return arr.filter(function (item) {
	        return !item[attr];
	      });
	    },

	    selectattr: function(arr, attr) {
	      return arr.filter(function (item) {
	        return !!item[attr];
	      });
	    },

	    replace: function(str, old, new_, maxCount) {
	        var originalStr = str;

	        if (old instanceof RegExp) {
	            return str.replace(old, new_);
	        }

	        if(typeof maxCount === 'undefined'){
	            maxCount = -1;
	        }

	        var res = '';  // Output

	        // Cast Numbers in the search term to string
	        if(typeof old === 'number'){
	            old = old + '';
	        }
	        else if(typeof old !== 'string') {
	            // If it is something other than number or string,
	            // return the original string
	            return str;
	        }

	        // Cast numbers in the replacement to string
	        if(typeof str === 'number'){
	            str = str + '';
	        }

	        // If by now, we don't have a string, throw it back
	        if(typeof str !== 'string' && !(str instanceof r.SafeString)){
	            return str;
	        }

	        // ShortCircuits
	        if(old === ''){
	            // Mimic the python behaviour: empty string is replaced
	            // by replacement e.g. "abc"|replace("", ".") -> .a.b.c.
	            res = new_ + str.split('').join(new_) + new_;
	            return r.copySafeness(str, res);
	        }

	        var nextIndex = str.indexOf(old);
	        // if # of replacements to perform is 0, or the string to does
	        // not contain the old value, return the string
	        if(maxCount === 0 || nextIndex === -1){
	            return str;
	        }

	        var pos = 0;
	        var count = 0; // # of replacements made

	        while(nextIndex  > -1 && (maxCount === -1 || count < maxCount)){
	            // Grab the next chunk of src string and add it with the
	            // replacement, to the result
	            res += str.substring(pos, nextIndex) + new_;
	            // Increment our pointer in the src string
	            pos = nextIndex + old.length;
	            count++;
	            // See if there are any more replacements to be made
	            nextIndex = str.indexOf(old, pos);
	        }

	        // We've either reached the end, or done the max # of
	        // replacements, tack on any remaining string
	        if(pos < str.length) {
	            res += str.substring(pos);
	        }

	        return r.copySafeness(originalStr, res);
	    },

	    reverse: function(val) {
	        var arr;
	        if(lib.isString(val)) {
	            arr = filters.list(val);
	        }
	        else {
	            // Copy it
	            arr = lib.map(val, function(v) { return v; });
	        }

	        arr.reverse();

	        if(lib.isString(val)) {
	            return r.copySafeness(val, arr.join(''));
	        }
	        return arr;
	    },

	    round: function(val, precision, method) {
	        precision = precision || 0;
	        var factor = Math.pow(10, precision);
	        var rounder;

	        if(method === 'ceil') {
	            rounder = Math.ceil;
	        }
	        else if(method === 'floor') {
	            rounder = Math.floor;
	        }
	        else {
	            rounder = Math.round;
	        }

	        return rounder(val * factor) / factor;
	    },

	    slice: function(arr, slices, fillWith) {
	        var sliceLength = Math.floor(arr.length / slices);
	        var extra = arr.length % slices;
	        var offset = 0;
	        var res = [];

	        for(var i=0; i<slices; i++) {
	            var start = offset + i * sliceLength;
	            if(i < extra) {
	                offset++;
	            }
	            var end = offset + (i + 1) * sliceLength;

	            var slice = arr.slice(start, end);
	            if(fillWith && i >= extra) {
	                slice.push(fillWith);
	            }
	            res.push(slice);
	        }

	        return res;
	    },

	    sum: function(arr, attr, start) {
	        var sum = 0;

	        if(typeof start === 'number'){
	            sum += start;
	        }

	        if(attr) {
	            arr = lib.map(arr, function(v) {
	                return v[attr];
	            });
	        }

	        for(var i = 0; i < arr.length; i++) {
	            sum += arr[i];
	        }

	        return sum;
	    },

	    sort: r.makeMacro(['value', 'reverse', 'case_sensitive', 'attribute'], [], function(arr, reverse, caseSens, attr) {
	         // Copy it
	        arr = lib.map(arr, function(v) { return v; });

	        arr.sort(function(a, b) {
	            var x, y;

	            if(attr) {
	                x = a[attr];
	                y = b[attr];
	            }
	            else {
	                x = a;
	                y = b;
	            }

	            if(!caseSens && lib.isString(x) && lib.isString(y)) {
	                x = x.toLowerCase();
	                y = y.toLowerCase();
	            }

	            if(x < y) {
	                return reverse ? 1 : -1;
	            }
	            else if(x > y) {
	                return reverse ? -1: 1;
	            }
	            else {
	                return 0;
	            }
	        });

	        return arr;
	    }),

	    string: function(obj) {
	        return r.copySafeness(obj, obj);
	    },

	    striptags: function(input, preserve_linebreaks) {
	        input = normalize(input, '');
	        preserve_linebreaks = preserve_linebreaks || false;
	        var tags = /<\/?([a-z][a-z0-9]*)\b[^>]*>|<!--[\s\S]*?-->/gi;
	        var trimmedInput = filters.trim(input.replace(tags, ''));
	        var res = '';
	        if (preserve_linebreaks) {
	            res = trimmedInput
	                .replace(/^ +| +$/gm, '')     // remove leading and trailing spaces
	                .replace(/ +/g, ' ')          // squash adjacent spaces
	                .replace(/(\r\n)/g, '\n')     // normalize linebreaks (CRLF -> LF)
	                .replace(/\n\n\n+/g, '\n\n'); // squash abnormal adjacent linebreaks
	        } else {
	            res = trimmedInput.replace(/\s+/gi, ' ');
	        }
	        return r.copySafeness(input, res);
	    },

	    title: function(str) {
	        str = normalize(str, '');
	        var words = str.split(' ');
	        for(var i = 0; i < words.length; i++) {
	            words[i] = filters.capitalize(words[i]);
	        }
	        return r.copySafeness(str, words.join(' '));
	    },

	    trim: function(str) {
	        return r.copySafeness(str, str.replace(/^\s*|\s*$/g, ''));
	    },

	    truncate: function(input, length, killwords, end) {
	        var orig = input;
	        input = normalize(input, '');
	        length = length || 255;

	        if (input.length <= length)
	            return input;

	        if (killwords) {
	            input = input.substring(0, length);
	        } else {
	            var idx = input.lastIndexOf(' ', length);
	            if(idx === -1) {
	                idx = length;
	            }

	            input = input.substring(0, idx);
	        }

	        input += (end !== undefined && end !== null) ? end : '...';
	        return r.copySafeness(orig, input);
	    },

	    upper: function(str) {
	        str = normalize(str, '');
	        return str.toUpperCase();
	    },

	    urlencode: function(obj) {
	        var enc = encodeURIComponent;
	        if (lib.isString(obj)) {
	            return enc(obj);
	        } else {
	            var parts;
	            if (lib.isArray(obj)) {
	                parts = obj.map(function(item) {
	                    return enc(item[0]) + '=' + enc(item[1]);
	                });
	            } else {
	                parts = [];
	                for (var k in obj) {
	                    if (obj.hasOwnProperty(k)) {
	                        parts.push(enc(k) + '=' + enc(obj[k]));
	                    }
	                }
	            }
	            return parts.join('&');
	        }
	    },

	    urlize: function(str, length, nofollow) {
	        if (isNaN(length)) length = Infinity;

	        var noFollowAttr = (nofollow === true ? ' rel="nofollow"' : '');

	        // For the jinja regexp, see
	        // https://github.com/mitsuhiko/jinja2/blob/f15b814dcba6aa12bc74d1f7d0c881d55f7126be/jinja2/utils.py#L20-L23
	        var puncRE = /^(?:\(|<|&lt;)?(.*?)(?:\.|,|\)|\n|&gt;)?$/;
	        // from http://blog.gerv.net/2011/05/html5_email_address_regexp/
	        var emailRE = /^[\w.!#$%&'*+\-\/=?\^`{|}~]+@[a-z\d\-]+(\.[a-z\d\-]+)+$/i;
	        var httpHttpsRE = /^https?:\/\/.*$/;
	        var wwwRE = /^www\./;
	        var tldRE = /\.(?:org|net|com)(?:\:|\/|$)/;

	        var words = str.split(/(\s+)/).filter(function(word) {
	          // If the word has no length, bail. This can happen for str with
	          // trailing whitespace.
	          return word && word.length;
	        }).map(function(word) {
	          var matches = word.match(puncRE);
	          var possibleUrl = matches && matches[1] || word;

	          // url that starts with http or https
	          if (httpHttpsRE.test(possibleUrl))
	            return '<a href="' + possibleUrl + '"' + noFollowAttr + '>' + possibleUrl.substr(0, length) + '</a>';

	          // url that starts with www.
	          if (wwwRE.test(possibleUrl))
	            return '<a href="http://' + possibleUrl + '"' + noFollowAttr + '>' + possibleUrl.substr(0, length) + '</a>';

	          // an email address of the form username@domain.tld
	          if (emailRE.test(possibleUrl))
	            return '<a href="mailto:' + possibleUrl + '">' + possibleUrl + '</a>';

	          // url that ends in .com, .org or .net that is not an email address
	          if (tldRE.test(possibleUrl))
	            return '<a href="http://' + possibleUrl + '"' + noFollowAttr + '>' + possibleUrl.substr(0, length) + '</a>';

	          return word;

	        });

	        return words.join('');
	    },

	    wordcount: function(str) {
	        str = normalize(str, '');
	        var words = (str) ? str.match(/\w+/g) : null;
	        return (words) ? words.length : null;
	    },

	    'float': function(val, def) {
	        var res = parseFloat(val);
	        return isNaN(res) ? def : res;
	    },

	    'int': function(val, def) {
	        var res = parseInt(val, 10);
	        return isNaN(res) ? def : res;
	    }
	};

	// Aliases
	filters.d = filters['default'];
	filters.e = filters.escape;

	module.exports = filters;


/***/ },
/* 14 */
/***/ function(module, exports, __webpack_require__) {

	'use strict';

	var Loader = __webpack_require__(15);
	var PrecompiledLoader = __webpack_require__(16);

	var WebLoader = Loader.extend({
	    init: function(baseURL, opts) {
	        this.baseURL = baseURL || '.';
	        opts = opts || {};

	        // By default, the cache is turned off because there's no way
	        // to "watch" templates over HTTP, so they are re-downloaded
	        // and compiled each time. (Remember, PRECOMPILE YOUR
	        // TEMPLATES in production!)
	        this.useCache = !!opts.useCache;

	        // We default `async` to false so that the simple synchronous
	        // API can be used when you aren't doing anything async in
	        // your templates (which is most of the time). This performs a
	        // sync ajax request, but that's ok because it should *only*
	        // happen in development. PRECOMPILE YOUR TEMPLATES.
	        this.async = !!opts.async;
	    },

	    resolve: function(from, to) { // jshint ignore:line
	        throw new Error('relative templates not support in the browser yet');
	    },

	    getSource: function(name, cb) {
	        var useCache = this.useCache;
	        var result;
	        this.fetch(this.baseURL + '/' + name, function(err, src) {
	            if(err) {
	                if(cb) {
	                    cb(err.content);
	                } else {
	                    if (err.status === 404) {
	                      result = null;
	                    } else {
	                      throw err.content;
	                    }
	                }
	            }
	            else {
	                result = { src: src,
	                           path: name,
	                           noCache: !useCache };
	                if(cb) {
	                    cb(null, result);
	                }
	            }
	        });

	        // if this WebLoader isn't running asynchronously, the
	        // fetch above would actually run sync and we'll have a
	        // result here
	        return result;
	    },

	    fetch: function(url, cb) {
	        // Only in the browser please
	        var ajax;
	        var loading = true;

	        if(window.XMLHttpRequest) { // Mozilla, Safari, ...
	            ajax = new XMLHttpRequest();
	        }
	        else if(window.ActiveXObject) { // IE 8 and older
	            /* global ActiveXObject */
	            ajax = new ActiveXObject('Microsoft.XMLHTTP');
	        }

	        ajax.onreadystatechange = function() {
	            if(ajax.readyState === 4 && loading) {
	                loading = false;
	                if(ajax.status === 0 || ajax.status === 200) {
	                    cb(null, ajax.responseText);
	                }
	                else {
	                    cb({ status: ajax.status, content: ajax.responseText });
	                }
	            }
	        };

	        url += (url.indexOf('?') === -1 ? '?' : '&') + 's=' +
	               (new Date().getTime());

	        ajax.open('GET', url, this.async);
	        ajax.send();
	    }
	});

	module.exports = {
	    WebLoader: WebLoader,
	    PrecompiledLoader: PrecompiledLoader
	};


/***/ },
/* 15 */
/***/ function(module, exports, __webpack_require__) {

	'use strict';

	var path = __webpack_require__(3);
	var Obj = __webpack_require__(6);
	var lib = __webpack_require__(1);

	var Loader = Obj.extend({
	    on: function(name, func) {
	        this.listeners = this.listeners || {};
	        this.listeners[name] = this.listeners[name] || [];
	        this.listeners[name].push(func);
	    },

	    emit: function(name /*, arg1, arg2, ...*/) {
	        var args = Array.prototype.slice.call(arguments, 1);

	        if(this.listeners && this.listeners[name]) {
	            lib.each(this.listeners[name], function(listener) {
	                listener.apply(null, args);
	            });
	        }
	    },

	    resolve: function(from, to) {
	        return path.resolve(path.dirname(from), to);
	    },

	    isRelative: function(filename) {
	        return (filename.indexOf('./') === 0 || filename.indexOf('../') === 0);
	    }
	});

	module.exports = Loader;


/***/ },
/* 16 */
/***/ function(module, exports, __webpack_require__) {

	'use strict';

	var Loader = __webpack_require__(15);

	var PrecompiledLoader = Loader.extend({
	    init: function(compiledTemplates) {
	        this.precompiled = compiledTemplates || {};
	    },

	    getSource: function(name) {
	        if (this.precompiled[name]) {
	            return {
	                src: { type: 'code',
	                       obj: this.precompiled[name] },
	                path: name
	            };
	        }
	        return null;
	    }
	});

	module.exports = PrecompiledLoader;


/***/ },
/* 17 */
/***/ function(module, exports) {

	'use strict';

	function cycler(items) {
	    var index = -1;

	    return {
	        current: null,
	        reset: function() {
	            index = -1;
	            this.current = null;
	        },

	        next: function() {
	            index++;
	            if(index >= items.length) {
	                index = 0;
	            }

	            this.current = items[index];
	            return this.current;
	        },
	    };

	}

	function joiner(sep) {
	    sep = sep || ',';
	    var first = true;

	    return function() {
	        var val = first ? '' : sep;
	        first = false;
	        return val;
	    };
	}

	// Making this a function instead so it returns a new object
	// each time it's called. That way, if something like an environment
	// uses it, they will each have their own copy.
	function globals() {
	    return {
	        range: function(start, stop, step) {
	            if(typeof stop === 'undefined') {
	                stop = start;
	                start = 0;
	                step = 1;
	            }
	            else if(!step) {
	                step = 1;
	            }

	            var arr = [];
	            var i;
	            if (step > 0) {
	                for (i=start; i<stop; i+=step) {
	                    arr.push(i);
	                }
	            } else {
	                for (i=start; i>stop; i+=step) {
	                    arr.push(i);
	                }
	            }
	            return arr;
	        },

	        // lipsum: function(n, html, min, max) {
	        // },

	        cycler: function() {
	            return cycler(Array.prototype.slice.call(arguments));
	        },

	        joiner: function(sep) {
	            return joiner(sep);
	        }
	    };
	}

	module.exports = globals;


/***/ },
/* 18 */
/***/ function(module, exports) {

	function installCompat() {
	  'use strict';

	  // This must be called like `nunjucks.installCompat` so that `this`
	  // references the nunjucks instance
	  var runtime = this.runtime; // jshint ignore:line
	  var lib = this.lib; // jshint ignore:line

	  var orig_contextOrFrameLookup = runtime.contextOrFrameLookup;
	  runtime.contextOrFrameLookup = function(context, frame, key) {
	    var val = orig_contextOrFrameLookup.apply(this, arguments);
	    if (val === undefined) {
	      switch (key) {
	      case 'True':
	        return true;
	      case 'False':
	        return false;
	      case 'None':
	        return null;
	      }
	    }

	    return val;
	  };

	  var orig_memberLookup = runtime.memberLookup;
	  var ARRAY_MEMBERS = {
	    pop: function(index) {
	      if (index === undefined) {
	        return this.pop();
	      }
	      if (index >= this.length || index < 0) {
	        throw new Error('KeyError');
	      }
	      return this.splice(index, 1);
	    },
	    remove: function(element) {
	      for (var i = 0; i < this.length; i++) {
	        if (this[i] === element) {
	          return this.splice(i, 1);
	        }
	      }
	      throw new Error('ValueError');
	    },
	    count: function(element) {
	      var count = 0;
	      for (var i = 0; i < this.length; i++) {
	        if (this[i] === element) {
	          count++;
	        }
	      }
	      return count;
	    },
	    index: function(element) {
	      var i;
	      if ((i = this.indexOf(element)) === -1) {
	        throw new Error('ValueError');
	      }
	      return i;
	    },
	    find: function(element) {
	      return this.indexOf(element);
	    },
	    insert: function(index, elem) {
	      return this.splice(index, 0, elem);
	    }
	  };
	  var OBJECT_MEMBERS = {
	    items: function() {
	      var ret = [];
	      for(var k in this) {
	        ret.push([k, this[k]]);
	      }
	      return ret;
	    },
	    values: function() {
	      var ret = [];
	      for(var k in this) {
	        ret.push(this[k]);
	      }
	      return ret;
	    },
	    keys: function() {
	      var ret = [];
	      for(var k in this) {
	        ret.push(k);
	      }
	      return ret;
	    },
	    get: function(key, def) {
	      var output = this[key];
	      if (output === undefined) {
	        output = def;
	      }
	      return output;
	    },
	    has_key: function(key) {
	      return this.hasOwnProperty(key);
	    },
	    pop: function(key, def) {
	      var output = this[key];
	      if (output === undefined && def !== undefined) {
	        output = def;
	      } else if (output === undefined) {
	        throw new Error('KeyError');
	      } else {
	        delete this[key];
	      }
	      return output;
	    },
	    popitem: function() {
	      for (var k in this) {
	        // Return the first object pair.
	        var val = this[k];
	        delete this[k];
	        return [k, val];
	      }
	      throw new Error('KeyError');
	    },
	    setdefault: function(key, def) {
	      if (key in this) {
	        return this[key];
	      }
	      if (def === undefined) {
	        def = null;
	      }
	      return this[key] = def;
	    },
	    update: function(kwargs) {
	      for (var k in kwargs) {
	        this[k] = kwargs[k];
	      }
	      return null;  // Always returns None
	    }
	  };
	  OBJECT_MEMBERS.iteritems = OBJECT_MEMBERS.items;
	  OBJECT_MEMBERS.itervalues = OBJECT_MEMBERS.values;
	  OBJECT_MEMBERS.iterkeys = OBJECT_MEMBERS.keys;
	  runtime.memberLookup = function(obj, val, autoescape) { // jshint ignore:line
	    obj = obj || {};

	    // If the object is an object, return any of the methods that Python would
	    // otherwise provide.
	    if (lib.isArray(obj) && ARRAY_MEMBERS.hasOwnProperty(val)) {
	      return function() {return ARRAY_MEMBERS[val].apply(obj, arguments);};
	    }

	    if (lib.isObject(obj) && OBJECT_MEMBERS.hasOwnProperty(val)) {
	      return function() {return OBJECT_MEMBERS[val].apply(obj, arguments);};
	    }

	    return orig_memberLookup.apply(this, arguments);
	  };
	}

	module.exports = installCompat;


/***/ }
/******/ ])
});
;