Build fix. Rolling back changes in http://trac.webkit.org/changeset/174721.
authorjonowells@apple.com <jonowells@apple.com@268f45cc-cd09-0410-ab3c-d52691b4dbfc>
Thu, 16 Oct 2014 00:29:37 +0000 (00:29 +0000)
committerjonowells@apple.com <jonowells@apple.com@268f45cc-cd09-0410-ab3c-d52691b4dbfc>
Thu, 16 Oct 2014 00:29:37 +0000 (00:29 +0000)
* Scripts/copy-user-interface-resources.pl:
* UserInterface/External/ESLint/LICENSE: Removed.
* UserInterface/External/ESLint/eslint.js: Removed.

git-svn-id: https://svn.webkit.org/repository/webkit/trunk@174752 268f45cc-cd09-0410-ab3c-d52691b4dbfc

Source/WebInspectorUI/Scripts/copy-user-interface-resources.pl
Source/WebInspectorUI/UserInterface/External/ESLint/LICENSE [deleted file]
Source/WebInspectorUI/UserInterface/External/ESLint/eslint.js [deleted file]

index 993d398e180820bf76f891fedd24a61e303f82e8..4fadfc7aaa0285a2e27d8bfb9c1910ad92352c77 100755 (executable)
@@ -100,11 +100,9 @@ my $targetResourcePath = File::Spec->catdir($ENV{'TARGET_BUILD_DIR'}, $ENV{'UNLO
 my $protocolDir = File::Spec->catdir($targetResourcePath, 'Protocol');
 my $codeMirrorPath = File::Spec->catdir($uiRoot, 'External', 'CodeMirror');
 my $esprimaPath = File::Spec->catdir($uiRoot, 'External', 'Esprima');
-my $eslintPath = File::Spec->catdir($uiRoot, 'External', 'ESLint');
 
 my $codeMirrorLicense = readLicenseFile(File::Spec->catfile($codeMirrorPath, 'LICENSE'));
-my $esprimaLicense = readLicenseFile(File::Spec->catfile($esprimaPath, 'LICENSE'));
-my $eslintLicense = readLicenseFile(File::Spec->catfile($eslintPath, 'LICENSE'));
+my $esprimaMirrorLicense = readLicenseFile(File::Spec->catfile($esprimaPath, 'LICENSE'));
 
 make_path($protocolDir, $targetResourcePath);
 
@@ -157,11 +155,7 @@ if (defined $ENV{'COMBINE_INSPECTOR_RESOURCES'} && ($ENV{'COMBINE_INSPECTOR_RESO
 
     # Export the license into Esprima.js.
     my $targetEsprimaJS = File::Spec->catfile($targetResourcePath, 'Esprima.js');
-    seedFile($targetEsprimaJS, $esprimaLicense);
-
-    # Export the license into ESLint.js.
-    my $targetESLintJS = File::Spec->catfile($targetResourcePath, 'ESLint.js');
-    seedFile($targetESLintJS, $eslintLicense);
+    seedFile($targetEsprimaJS, $esprimaMirrorLicense);
 
     # Minify the Main.js and Main.css files, with Main.js appending to the license that was exported above.
     my $jsMinScript = File::Spec->catfile($scriptsRoot, 'jsmin.py');
@@ -179,10 +173,6 @@ if (defined $ENV{'COMBINE_INSPECTOR_RESOURCES'} && ($ENV{'COMBINE_INSPECTOR_RESO
     my $derivedSouressEsprimaJS = File::Spec->catfile($derivedSourcesDir, 'Esprima.js');
     system(qq("$python" "$jsMinScript" < "$derivedSouressEsprimaJS" >> "$targetEsprimaJS")) and die "Failed to minify $derivedSouressEsprimaJS: $!";
 
-    # Minify the ESLint.js file, appending to the license that was exported above.
-    my $derivedSouressESLintJS = File::Spec->catfile($derivedSourcesDir, 'ESLint.js');
-    system(qq("$python" "$jsMinScript" < "$derivedSouressESLintJS" >> "$targetESLintJS")) and die "Failed to minify $derivedSouressESLintJS: $!";
-
     # Copy over Main.html and the Images directory.
     copy($derivedSourcesMainHTML, File::Spec->catfile($targetResourcePath, 'Main.html'));
 
diff --git a/Source/WebInspectorUI/UserInterface/External/ESLint/LICENSE b/Source/WebInspectorUI/UserInterface/External/ESLint/LICENSE
deleted file mode 100644 (file)
index d5f046f..0000000
+++ /dev/null
@@ -1,19 +0,0 @@
-Copyright (c) 2014 TJ Holowaychuk <tj@vision-media.ca>
-
-Permission is hereby granted, free of charge, to any person obtaining a copy
-of this software and associated documentation files (the 'Software'), to deal
-in the Software without restriction, including without limitation the rights to 
-use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies
-of the Software, and to permit persons to whom the Software is furnished to do
-so, subject to the following conditions:
-
-The above copyright notice and this permission notice shall be included in all
-copies or substantial portions of the Software.
-
-THE SOFTWARE IS PROVIDED 'AS IS', WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
-IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
-FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
-AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
-LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
-OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
-THE SOFTWARE.
diff --git a/Source/WebInspectorUI/UserInterface/External/ESLint/eslint.js b/Source/WebInspectorUI/UserInterface/External/ESLint/eslint.js
deleted file mode 100644 (file)
index 3b123a2..0000000
+++ /dev/null
@@ -1,18223 +0,0 @@
-!function(e){if("object"==typeof exports&&"undefined"!=typeof module)module.exports=e();else if("function"==typeof define&&define.amd)define([],e);else{var f;"undefined"!=typeof window?f=window:"undefined"!=typeof global?f=global:"undefined"!=typeof self&&(f=self),f.eslint=e()}}(function(){var define,module,exports;return (function e(t,n,r){function s(o,u){if(!n[o]){if(!t[o]){var a=typeof require=="function"&&require;if(!u&&a)return a(o,!0);if(i)return i(o,!0);var f=new Error("Cannot find module '"+o+"'");throw f.code="MODULE_NOT_FOUND",f}var l=n[o]={exports:{}};t[o][0].call(l.exports,function(e){var n=t[o][1][e];return s(n?n:e)},l,l.exports,e,t,n,r)}return n[o].exports}var i=typeof require=="function"&&require;for(var o=0;o<r.length;o++)s(r[o]);return s})({1:[function(require,module,exports){
-module.exports={
-    "builtin": {
-        "NaN": false,
-        "Infinity": false,
-        "undefined": false,
-        "eval": false,
-
-        "parseFloat": false,
-        "parseInt": false,
-        "isNaN": false,
-        "isFinite": false,
-
-        "decodeURI": false,
-        "decodeURIComponent": false,
-        "encodeURI": false,
-        "encodeURIComponent": false,
-
-        "Object": false,
-        "Function": false,
-        "Array": false,
-        "String": false,
-        "Boolean": false,
-        "Map": false,
-        "Number": false,
-        "Date": false,
-        "RegExp": false,
-        "Error": false,
-        "EvalError": false,
-        "RangeError": false,
-        "ReferenceError": false,
-        "Set": false,
-        "SyntaxError": false,
-        "TypeError": false,
-        "URIError": false,
-        "WeakMap": false,
-        "WeakSet": false,
-
-        "ArrayBuffer": false,
-        "Float32Array": false,
-        "Float64Array": false,
-        "Int16Array": false,
-        "Int32Array": false,
-        "Int8Array": false,
-        "Uint16Array": false,
-        "Uint32Array": false,
-        "Uint8Array": false,
-        "Uint8ClampedArray": false,
-
-        "Math": false,
-        "JSON": false,
-
-        "toString": false,
-        "hasOwnProperty": false,
-        "valueOf": false,
-        "propertyIsEnumerable": false,
-        "constructor": false,
-        "isPrototypeOf": false,
-        "toLocaleString": false
-    },
-
-    "browser": {
-        "globals": {
-            "addEventListener": false,
-            "applicationCache": false,
-            "atob": false,
-            "Audio": false,
-            "Blob": false,
-            "blur": false,
-            "btoa": false,
-            "cancelAnimationFrame": false,
-            "clearInterval": false,
-            "clearTimeout": false,
-            "close": false,
-            "closed": false,
-            "crypto": false,
-            "DataView": false,
-            "defaultStatus": false,
-            "devicePixelRatio": false,
-            "dispatchEvent": false,
-            "document": false,
-            "DOMParser": false,
-            "Element": false,
-            "FileReader": false,
-            "find": false,
-            "focus": false,
-            "FormData": false,
-            "frameElement": false,
-            "frames": false,
-            "getComputedStyle": false,
-            "getSelection": false,
-            "history": false,
-            "HTMLAnchorElement": false,
-            "HTMLBaseElement": false,
-            "HTMLBodyElement": false,
-            "HTMLBRElement": false,
-            "HTMLButtonElement": false,
-            "HTMLCanvasElement": false,
-            "HTMLDirectoryElement": false,
-            "HTMLDivElement": false,
-            "HTMLDListElement": false,
-            "HTMLElement": false,
-            "HTMLFieldSetElement": false,
-            "HTMLFontElement": false,
-            "HTMLFormElement": false,
-            "HTMLFrameElement": false,
-            "HTMLFrameSetElement": false,
-            "HTMLHeadElement": false,
-            "HTMLHeadingElement": false,
-            "HTMLHRElement": false,
-            "HTMLHtmlElement": false,
-            "HTMLIFrameElement": false,
-            "HTMLImageElement": false,
-            "HTMLInputElement": false,
-            "HTMLLabelElement": false,
-            "HTMLLegendElement": false,
-            "HTMLLIElement": false,
-            "HTMLLinkElement": false,
-            "HTMLMapElement": false,
-            "HTMLMenuElement": false,
-            "HTMLMetaElement": false,
-            "HTMLModElement": false,
-            "HTMLObjectElement": false,
-            "HTMLOListElement": false,
-            "HTMLOptGroupElement": false,
-            "HTMLOptionElement": false,
-            "HTMLParagraphElement": false,
-            "HTMLParamElement": false,
-            "HTMLPreElement": false,
-            "HTMLQuoteElement": false,
-            "HTMLScriptElement": false,
-            "HTMLSelectElement": false,
-            "HTMLStyleElement": false,
-            "HTMLTableCaptionElement": false,
-            "HTMLTableCellElement": false,
-            "HTMLTableColElement": false,
-            "HTMLTableElement": false,
-            "HTMLTableRowElement": false,
-            "HTMLTableSectionElement": false,
-            "HTMLTextAreaElement": false,
-            "HTMLTitleElement": false,
-            "HTMLUListElement": false,
-            "HTMLVideoElement": false,
-            "Image": false,
-            "indexedDB": false,
-            "innerHeight": false,
-            "innerWidth": false,
-            "Intl": false,
-            "length": false,
-            "localStorage": false,
-            "location": false,
-            "matchMedia": false,
-            "MessageChannel": false,
-            "MessageEvent": false,
-            "MessagePort": false,
-            "moveBy": false,
-            "moveTo": false,
-            "MutationObserver": false,
-            "name": false,
-            "navigator": false,
-            "Node": false,
-            "NodeFilter": false,
-            "onbeforeunload": true,
-            "onblur": true,
-            "onerror": true,
-            "onfocus": true,
-            "onload": true,
-            "onresize": true,
-            "onunload": true,
-            "open": false,
-            "openDatabase": false,
-            "opener": false,
-            "Option": false,
-            "outerHeight": false,
-            "outerWidth": false,
-            "pageXOffset": false,
-            "pageYOffset": false,
-            "parent": false,
-            "postMessage": false,
-            "print": false,
-            "removeEventListener": false,
-            "requestAnimationFrame": false,
-            "resizeBy": false,
-            "resizeTo": false,
-            "screen": false,
-            "screenX": false,
-            "screenY": false,
-            "scroll": false,
-            "scrollbars": false,
-            "scrollBy": false,
-            "scrollTo": false,
-            "scrollX": false,
-            "scrollY": false,
-            "self": false,
-            "sessionStorage": false,
-            "setInterval": false,
-            "setTimeout": false,
-            "SharedWorker": false,
-            "showModalDialog": false,
-            "stop": false,
-            "SVGAElement": false,
-            "SVGAltGlyphDefElement": false,
-            "SVGAltGlyphElement": false,
-            "SVGAltGlyphItemElement": false,
-            "SVGAngle": false,
-            "SVGAnimateColorElement": false,
-            "SVGAnimatedAngle": false,
-            "SVGAnimatedBoolean": false,
-            "SVGAnimatedEnumeration": false,
-            "SVGAnimatedInteger": false,
-            "SVGAnimatedLength": false,
-            "SVGAnimatedLengthList": false,
-            "SVGAnimatedNumber": false,
-            "SVGAnimatedNumberList": false,
-            "SVGAnimatedPreserveAspectRatio": false,
-            "SVGAnimatedRect": false,
-            "SVGAnimatedString": false,
-            "SVGAnimatedTransformList": false,
-            "SVGAnimateElement": false,
-            "SVGAnimateMotionElement": false,
-            "SVGAnimateTransformElement": false,
-            "SVGAnimationElement": false,
-            "SVGCircleElement": false,
-            "SVGClipPathElement": false,
-            "SVGColor": false,
-            "SVGComponentTransferFunctionElement": false,
-            "SVGCursorElement": false,
-            "SVGDefsElement": false,
-            "SVGDescElement": false,
-            "SVGDocument": false,
-            "SVGElement": false,
-            "SVGElementInstance": false,
-            "SVGElementInstanceList": false,
-            "SVGEllipseElement": false,
-            "SVGFEBlendElement": false,
-            "SVGFEColorMatrixElement": false,
-            "SVGFEComponentTransferElement": false,
-            "SVGFECompositeElement": false,
-            "SVGFEConvolveMatrixElement": false,
-            "SVGFEDiffuseLightingElement": false,
-            "SVGFEDisplacementMapElement": false,
-            "SVGFEDistantLightElement": false,
-            "SVGFEFloodElement": false,
-            "SVGFEFuncAElement": false,
-            "SVGFEFuncBElement": false,
-            "SVGFEFuncGElement": false,
-            "SVGFEFuncRElement": false,
-            "SVGFEGaussianBlurElement": false,
-            "SVGFEImageElement": false,
-            "SVGFEMergeElement": false,
-            "SVGFEMergeNodeElement": false,
-            "SVGFEMorphologyElement": false,
-            "SVGFEOffsetElement": false,
-            "SVGFEPointLightElement": false,
-            "SVGFESpecularLightingElement": false,
-            "SVGFESpotLightElement": false,
-            "SVGFETileElement": false,
-            "SVGFETurbulenceElement": false,
-            "SVGFilterElement": false,
-            "SVGFontElement": false,
-            "SVGFontFaceElement": false,
-            "SVGFontFaceFormatElement": false,
-            "SVGFontFaceNameElement": false,
-            "SVGFontFaceSrcElement": false,
-            "SVGFontFaceUriElement": false,
-            "SVGForeignObjectElement": false,
-            "SVGGElement": false,
-            "SVGGlyphElement": false,
-            "SVGGlyphRefElement": false,
-            "SVGGradientElement": false,
-            "SVGHKernElement": false,
-            "SVGImageElement": false,
-            "SVGLength": false,
-            "SVGLengthList": false,
-            "SVGLinearGradientElement": false,
-            "SVGLineElement": false,
-            "SVGMarkerElement": false,
-            "SVGMaskElement": false,
-            "SVGMatrix": false,
-            "SVGMetadataElement": false,
-            "SVGMissingGlyphElement": false,
-            "SVGMPathElement": false,
-            "SVGNumber": false,
-            "SVGNumberList": false,
-            "SVGPaint": false,
-            "SVGPathElement": false,
-            "SVGPathSeg": false,
-            "SVGPathSegArcAbs": false,
-            "SVGPathSegArcRel": false,
-            "SVGPathSegClosePath": false,
-            "SVGPathSegCurvetoCubicAbs": false,
-            "SVGPathSegCurvetoCubicRel": false,
-            "SVGPathSegCurvetoCubicSmoothAbs": false,
-            "SVGPathSegCurvetoCubicSmoothRel": false,
-            "SVGPathSegCurvetoQuadraticAbs": false,
-            "SVGPathSegCurvetoQuadraticRel": false,
-            "SVGPathSegCurvetoQuadraticSmoothAbs": false,
-            "SVGPathSegCurvetoQuadraticSmoothRel": false,
-            "SVGPathSegLinetoAbs": false,
-            "SVGPathSegLinetoHorizontalAbs": false,
-            "SVGPathSegLinetoHorizontalRel": false,
-            "SVGPathSegLinetoRel": false,
-            "SVGPathSegLinetoVerticalAbs": false,
-            "SVGPathSegLinetoVerticalRel": false,
-            "SVGPathSegList": false,
-            "SVGPathSegMovetoAbs": false,
-            "SVGPathSegMovetoRel": false,
-            "SVGPatternElement": false,
-            "SVGPoint": false,
-            "SVGPointList": false,
-            "SVGPolygonElement": false,
-            "SVGPolylineElement": false,
-            "SVGPreserveAspectRatio": false,
-            "SVGRadialGradientElement": false,
-            "SVGRect": false,
-            "SVGRectElement": false,
-            "SVGRenderingIntent": false,
-            "SVGScriptElement": false,
-            "SVGSetElement": false,
-            "SVGStopElement": false,
-            "SVGStringList": false,
-            "SVGStyleElement": false,
-            "SVGSVGElement": false,
-            "SVGSwitchElement": false,
-            "SVGSymbolElement": false,
-            "SVGTextContentElement": false,
-            "SVGTextElement": false,
-            "SVGTextPathElement": false,
-            "SVGTextPositioningElement": false,
-            "SVGTitleElement": false,
-            "SVGTransform": false,
-            "SVGTransformList": false,
-            "SVGTRefElement": false,
-            "SVGTSpanElement": false,
-            "SVGUnitTypes": false,
-            "SVGUseElement": false,
-            "SVGViewElement": false,
-            "SVGViewSpec": false,
-            "SVGVKernElement": false,
-            "top": false,
-            "WebSocket": false,
-            "window": false,
-            "Worker": false,
-            "XMLHttpRequest": false,
-            "XMLSerializer": false,
-            "XPathEvaluator": false,
-            "XPathExpression": false,
-            "XPathResult": false
-        }
-    },
-
-    "node": {
-        "globals": {
-            "__filename": false,
-            "__dirname": false,
-            "Buffer": false,
-            "DataView": false,
-            "console": false,
-            "exports": true,
-            "GLOBAL": false,
-            "global": false,
-            "module": false,
-            "process": false,
-            "require": false,
-            "setTimeout": false,
-            "clearTimeout": false,
-            "setInterval": false,
-            "clearInterval": false,
-            "setImmediate": false,
-            "clearImmediate": false
-        },
-
-        "rules": {
-            "no-catch-shadow": 0,
-            "no-console": 0,
-            "no-mixed-requires": 2,
-            "no-new-require": 2,
-            "no-path-concat": 2,
-            "no-process-exit": 2,
-            "global-strict": [0, "always"],
-            "handle-callback-err": [2, "err"]
-        }
-    },
-
-    "amd": {
-        "globals": {
-            "require": false,
-            "define": false
-        }
-    },
-
-    "mocha": {
-        "globals": {
-            "describe": false,
-            "it": false,
-            "before": false,
-            "after": false,
-            "beforeEach": false,
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-
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-            "suiteTeardown": false
-        }
-    },
-
-    "jasmine": {
-        "globals": {
-            "afterEach": false,
-            "beforeEach": false,
-            "describe": false,
-            "expect": false,
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-            "jasmine": false,
-            "pending": false,
-            "spyOn": false,
-            "waits": false,
-            "waitsFor": false,
-            "xdescribe": false,
-            "xit": false
-        }
-    }
-}
-
-},{}],2:[function(require,module,exports){
-module.exports={
-    "env": {
-        "browser": false,
-        "node": false,
-        "amd": false,
-        "mocha": false,
-        "jasmine": false
-    },
-
-    "rules": {
-        "no-alert": 2,
-        "no-array-constructor": 2,
-        "no-bitwise": 0,
-        "no-caller": 2,
-        "no-catch-shadow": 2,
-        "no-comma-dangle": 2,
-        "no-cond-assign": 2,
-        "no-console": 2,
-        "no-constant-condition": 2,
-        "no-control-regex": 2,
-        "no-debugger": 2,
-        "no-delete-var": 2,
-        "no-div-regex": 0,
-        "no-dupe-keys": 2,
-        "no-else-return": 0,
-        "no-empty": 2,
-        "no-empty-class": 2,
-        "no-empty-label": 2,
-        "no-eq-null": 0,
-        "no-eval": 2,
-        "no-ex-assign": 2,
-        "no-extend-native": 2,
-        "no-extra-bind": 2,
-        "no-extra-boolean-cast": 2,
-        "no-extra-parens": 0,
-        "no-extra-semi": 2,
-        "no-extra-strict": 2,
-        "no-fallthrough": 2,
-        "no-floating-decimal": 0,
-        "no-func-assign": 2,
-        "no-implied-eval": 2,
-        "no-inner-declarations": [2, "functions"],
-        "no-invalid-regexp": 2,
-        "no-iterator": 2,
-        "no-label-var": 2,
-        "no-labels": 2,
-        "no-lone-blocks": 2,
-        "no-lonely-if": 0,
-        "no-loop-func": 2,
-        "no-mixed-requires": [0, false],
-        "no-mixed-spaces-and-tabs": [2, false],
-        "no-multi-spaces": 2,
-        "no-multi-str": 2,
-        "no-multiple-empty-lines": [0, {"max": 2}],
-        "no-native-reassign": 2,
-        "no-negated-in-lhs": 2,
-        "no-nested-ternary": 0,
-        "no-new": 2,
-        "no-new-func": 2,
-        "no-new-object": 2,
-        "no-new-require": 0,
-        "no-new-wrappers": 2,
-        "no-obj-calls": 2,
-        "no-octal": 2,
-        "no-octal-escape": 2,
-        "no-path-concat": 0,
-        "no-plusplus": 0,
-        "no-process-env": 0,
-        "no-process-exit": 2,
-        "no-proto": 2,
-        "no-redeclare": 2,
-        "no-regex-spaces": 2,
-        "no-reserved-keys": 0,
-        "no-restricted-modules": 0,
-        "no-return-assign": 2,
-        "no-script-url": 2,
-        "no-self-compare": 0,
-        "no-sequences": 2,
-        "no-shadow": 2,
-        "no-shadow-restricted-names": 2,
-        "no-space-before-semi": 2,
-        "no-spaced-func": 2,
-        "no-sparse-arrays": 2,
-        "no-sync": 0,
-        "no-ternary": 0,
-        "no-trailing-spaces": 2,
-        "no-undef": 2,
-        "no-undef-init": 2,
-        "no-undefined": 0,
-        "no-underscore-dangle": 2,
-        "no-unreachable": 2,
-        "no-unused-expressions": 2,
-        "no-unused-vars": [2, {"vars": "all", "args": "after-used"}],
-        "no-use-before-define": 2,
-        "no-void": 0,
-        "no-warning-comments": [0, { "terms": ["todo", "fixme", "xxx"], "location": "start" }],
-        "no-with": 2,
-        "no-wrap-func": 2,
-
-        "block-scoped-var": 0,
-        "brace-style": [0, "1tbs"],
-        "camelcase": 2,
-        "comma-spacing": 2,
-        "comma-style": 0,
-        "complexity": [0, 11],
-        "consistent-return": 2,
-        "consistent-this": [0, "that"],
-        "curly": [2, "all"],
-        "default-case": 0,
-        "dot-notation": 2,
-        "eol-last": 2,
-        "eqeqeq": 2,
-        "func-names": 0,
-        "func-style": [0, "declaration"],
-        "global-strict": [2, "never"],
-        "guard-for-in": 0,
-        "handle-callback-err": 0,
-        "key-spacing": [2, { "beforeColon": false, "afterColon": true }],
-        "max-depth": [0, 4],
-        "max-len": [0, 80, 4],
-        "max-nested-callbacks": [0, 2],
-        "max-params": [0, 3],
-        "max-statements": [0, 10],
-        "new-cap": 2,
-        "new-parens": 2,
-        "one-var": 0,
-        "padded-blocks": 0,
-        "quote-props": 0,
-        "quotes": [2, "double"],
-        "radix": 0,
-        "semi": 2,
-        "sort-vars": 0,
-        "space-after-keywords": [0, "always"],
-        "space-before-blocks": [0, "always"],
-        "space-in-brackets": [0, "never"],
-        "space-in-parens": [0, "never"],
-        "space-infix-ops": 2,
-        "space-return-throw-case": 2,
-        "space-unary-word-ops": 0,
-        "spaced-line-comment": [0, "always"],
-        "strict": 2,
-        "use-isnan": 2,
-        "valid-jsdoc": 0,
-        "valid-typeof": 2,
-        "vars-on-top": 0,
-        "wrap-iife": 0,
-        "wrap-regex": 0,
-        "yoda": [2, "never"]
-    }
-}
-
-},{}],3:[function(require,module,exports){
-// Copyright Joyent, Inc. and other Node contributors.
-//
-// Permission is hereby granted, free of charge, to any person obtaining a
-// copy of this software and associated documentation files (the
-// "Software"), to deal in the Software without restriction, including
-// without limitation the rights to use, copy, modify, merge, publish,
-// distribute, sublicense, and/or sell copies of the Software, and to permit
-// persons to whom the Software is furnished to do so, subject to the
-// following conditions:
-//
-// The above copyright notice and this permission notice shall be included
-// in all copies or substantial portions of the Software.
-//
-// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
-// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
-// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN
-// NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
-// DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
-// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
-// USE OR OTHER DEALINGS IN THE SOFTWARE.
-
-function EventEmitter() {
-  this._events = this._events || {};
-  this._maxListeners = this._maxListeners || undefined;
-}
-module.exports = EventEmitter;
-
-// Backwards-compat with node 0.10.x
-EventEmitter.EventEmitter = EventEmitter;
-
-EventEmitter.prototype._events = undefined;
-EventEmitter.prototype._maxListeners = undefined;
-
-// By default EventEmitters will print a warning if more than 10 listeners are
-// added to it. This is a useful default which helps finding memory leaks.
-EventEmitter.defaultMaxListeners = 10;
-
-// Obviously not all Emitters should be limited to 10. This function allows
-// that to be increased. Set to zero for unlimited.
-EventEmitter.prototype.setMaxListeners = function(n) {
-  if (!isNumber(n) || n < 0 || isNaN(n))
-    throw TypeError('n must be a positive number');
-  this._maxListeners = n;
-  return this;
-};
-
-EventEmitter.prototype.emit = function(type) {
-  var er, handler, len, args, i, listeners;
-
-  if (!this._events)
-    this._events = {};
-
-  // If there is no 'error' event listener then throw.
-  if (type === 'error') {
-    if (!this._events.error ||
-        (isObject(this._events.error) && !this._events.error.length)) {
-      er = arguments[1];
-      if (er instanceof Error) {
-        throw er; // Unhandled 'error' event
-      }
-      throw TypeError('Uncaught, unspecified "error" event.');
-    }
-  }
-
-  handler = this._events[type];
-
-  if (isUndefined(handler))
-    return false;
-
-  if (isFunction(handler)) {
-    switch (arguments.length) {
-      // fast cases
-      case 1:
-        handler.call(this);
-        break;
-      case 2:
-        handler.call(this, arguments[1]);
-        break;
-      case 3:
-        handler.call(this, arguments[1], arguments[2]);
-        break;
-      // slower
-      default:
-        len = arguments.length;
-        args = new Array(len - 1);
-        for (i = 1; i < len; i++)
-          args[i - 1] = arguments[i];
-        handler.apply(this, args);
-    }
-  } else if (isObject(handler)) {
-    len = arguments.length;
-    args = new Array(len - 1);
-    for (i = 1; i < len; i++)
-      args[i - 1] = arguments[i];
-
-    listeners = handler.slice();
-    len = listeners.length;
-    for (i = 0; i < len; i++)
-      listeners[i].apply(this, args);
-  }
-
-  return true;
-};
-
-EventEmitter.prototype.addListener = function(type, listener) {
-  var m;
-
-  if (!isFunction(listener))
-    throw TypeError('listener must be a function');
-
-  if (!this._events)
-    this._events = {};
-
-  // To avoid recursion in the case that type === "newListener"! Before
-  // adding it to the listeners, first emit "newListener".
-  if (this._events.newListener)
-    this.emit('newListener', type,
-              isFunction(listener.listener) ?
-              listener.listener : listener);
-
-  if (!this._events[type])
-    // Optimize the case of one listener. Don't need the extra array object.
-    this._events[type] = listener;
-  else if (isObject(this._events[type]))
-    // If we've already got an array, just append.
-    this._events[type].push(listener);
-  else
-    // Adding the second element, need to change to array.
-    this._events[type] = [this._events[type], listener];
-
-  // Check for listener leak
-  if (isObject(this._events[type]) && !this._events[type].warned) {
-    var m;
-    if (!isUndefined(this._maxListeners)) {
-      m = this._maxListeners;
-    } else {
-      m = EventEmitter.defaultMaxListeners;
-    }
-
-    if (m && m > 0 && this._events[type].length > m) {
-      this._events[type].warned = true;
-      console.error('(node) warning: possible EventEmitter memory ' +
-                    'leak detected. %d listeners added. ' +
-                    'Use emitter.setMaxListeners() to increase limit.',
-                    this._events[type].length);
-      if (typeof console.trace === 'function') {
-        // not supported in IE 10
-        console.trace();
-      }
-    }
-  }
-
-  return this;
-};
-
-EventEmitter.prototype.on = EventEmitter.prototype.addListener;
-
-EventEmitter.prototype.once = function(type, listener) {
-  if (!isFunction(listener))
-    throw TypeError('listener must be a function');
-
-  var fired = false;
-
-  function g() {
-    this.removeListener(type, g);
-
-    if (!fired) {
-      fired = true;
-      listener.apply(this, arguments);
-    }
-  }
-
-  g.listener = listener;
-  this.on(type, g);
-
-  return this;
-};
-
-// emits a 'removeListener' event iff the listener was removed
-EventEmitter.prototype.removeListener = function(type, listener) {
-  var list, position, length, i;
-
-  if (!isFunction(listener))
-    throw TypeError('listener must be a function');
-
-  if (!this._events || !this._events[type])
-    return this;
-
-  list = this._events[type];
-  length = list.length;
-  position = -1;
-
-  if (list === listener ||
-      (isFunction(list.listener) && list.listener === listener)) {
-    delete this._events[type];
-    if (this._events.removeListener)
-      this.emit('removeListener', type, listener);
-
-  } else if (isObject(list)) {
-    for (i = length; i-- > 0;) {
-      if (list[i] === listener ||
-          (list[i].listener && list[i].listener === listener)) {
-        position = i;
-        break;
-      }
-    }
-
-    if (position < 0)
-      return this;
-
-    if (list.length === 1) {
-      list.length = 0;
-      delete this._events[type];
-    } else {
-      list.splice(position, 1);
-    }
-
-    if (this._events.removeListener)
-      this.emit('removeListener', type, listener);
-  }
-
-  return this;
-};
-
-EventEmitter.prototype.removeAllListeners = function(type) {
-  var key, listeners;
-
-  if (!this._events)
-    return this;
-
-  // not listening for removeListener, no need to emit
-  if (!this._events.removeListener) {
-    if (arguments.length === 0)
-      this._events = {};
-    else if (this._events[type])
-      delete this._events[type];
-    return this;
-  }
-
-  // emit removeListener for all listeners on all events
-  if (arguments.length === 0) {
-    for (key in this._events) {
-      if (key === 'removeListener') continue;
-      this.removeAllListeners(key);
-    }
-    this.removeAllListeners('removeListener');
-    this._events = {};
-    return this;
-  }
-
-  listeners = this._events[type];
-
-  if (isFunction(listeners)) {
-    this.removeListener(type, listeners);
-  } else {
-    // LIFO order
-    while (listeners.length)
-      this.removeListener(type, listeners[listeners.length - 1]);
-  }
-  delete this._events[type];
-
-  return this;
-};
-
-EventEmitter.prototype.listeners = function(type) {
-  var ret;
-  if (!this._events || !this._events[type])
-    ret = [];
-  else if (isFunction(this._events[type]))
-    ret = [this._events[type]];
-  else
-    ret = this._events[type].slice();
-  return ret;
-};
-
-EventEmitter.listenerCount = function(emitter, type) {
-  var ret;
-  if (!emitter._events || !emitter._events[type])
-    ret = 0;
-  else if (isFunction(emitter._events[type]))
-    ret = 1;
-  else
-    ret = emitter._events[type].length;
-  return ret;
-};
-
-function isFunction(arg) {
-  return typeof arg === 'function';
-}
-
-function isNumber(arg) {
-  return typeof arg === 'number';
-}
-
-function isObject(arg) {
-  return typeof arg === 'object' && arg !== null;
-}
-
-function isUndefined(arg) {
-  return arg === void 0;
-}
-
-},{}],4:[function(require,module,exports){
-/*
-  Copyright (C) 2012-2014 Yusuke Suzuki <utatane.tea@gmail.com>
-  Copyright (C) 2014 Dan Tao <daniel.tao@gmail.com>
-  Copyright (C) 2013 Andrew Eisenberg <andrew@eisenberg.as>
-
-  Redistribution and use in source and binary forms, with or without
-  modification, are permitted provided that the following conditions are met:
-
-    * Redistributions of source code must retain the above copyright
-      notice, this list of conditions and the following disclaimer.
-    * Redistributions in binary form must reproduce the above copyright
-      notice, this list of conditions and the following disclaimer in the
-      documentation and/or other materials provided with the distribution.
-
-  THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
-  AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
-  IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
-  ARE DISCLAIMED. IN NO EVENT SHALL <COPYRIGHT HOLDER> BE LIABLE FOR ANY
-  DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
-  (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
-  LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
-  ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
-  (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
-  THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
-*/
-
-/*jslint bitwise:true plusplus:true eqeq:true nomen:true*/
-/*global doctrine:true, exports:true, parseTypeExpression:true, parseTop:true*/
-
-(function (exports) {
-    'use strict';
-
-    var VERSION,
-        Regex,
-        CanAccessStringByIndex,
-        typed,
-        jsdoc,
-        isArray,
-        hasOwnProperty;
-
-    // Sync with package.json.
-    VERSION = '0.5.2-dev';
-
-    // See also tools/generate-unicode-regex.py.
-    Regex = {
-        NonAsciiIdentifierStart: new RegExp('[\xaa\xb5\xba\xc0-\xd6\xd8-\xf6\xf8-\u02c1\u02c6-\u02d1\u02e0-\u02e4\u02ec\u02ee\u0370-\u0374\u0376\u0377\u037a-\u037d\u0386\u0388-\u038a\u038c\u038e-\u03a1\u03a3-\u03f5\u03f7-\u0481\u048a-\u0527\u0531-\u0556\u0559\u0561-\u0587\u05d0-\u05ea\u05f0-\u05f2\u0620-\u064a\u066e\u066f\u0671-\u06d3\u06d5\u06e5\u06e6\u06ee\u06ef\u06fa-\u06fc\u06ff\u0710\u0712-\u072f\u074d-\u07a5\u07b1\u07ca-\u07ea\u07f4\u07f5\u07fa\u0800-\u0815\u081a\u0824\u0828\u0840-\u0858\u08a0\u08a2-\u08ac\u0904-\u0939\u093d\u0950\u0958-\u0961\u0971-\u0977\u0979-\u097f\u0985-\u098c\u098f\u0990\u0993-\u09a8\u09aa-\u09b0\u09b2\u09b6-\u09b9\u09bd\u09ce\u09dc\u09dd\u09df-\u09e1\u09f0\u09f1\u0a05-\u0a0a\u0a0f\u0a10\u0a13-\u0a28\u0a2a-\u0a30\u0a32\u0a33\u0a35\u0a36\u0a38\u0a39\u0a59-\u0a5c\u0a5e\u0a72-\u0a74\u0a85-\u0a8d\u0a8f-\u0a91\u0a93-\u0aa8\u0aaa-\u0ab0\u0ab2\u0ab3\u0ab5-\u0ab9\u0abd\u0ad0\u0ae0\u0ae1\u0b05-\u0b0c\u0b0f\u0b10\u0b13-\u0b28\u0b2a-\u0b30\u0b32\u0b33\u0b35-\u0b39\u0b3d\u0b5c\u0b5d\u0b5f-\u0b61\u0b71\u0b83\u0b85-\u0b8a\u0b8e-\u0b90\u0b92-\u0b95\u0b99\u0b9a\u0b9c\u0b9e\u0b9f\u0ba3\u0ba4\u0ba8-\u0baa\u0bae-\u0bb9\u0bd0\u0c05-\u0c0c\u0c0e-\u0c10\u0c12-\u0c28\u0c2a-\u0c33\u0c35-\u0c39\u0c3d\u0c58\u0c59\u0c60\u0c61\u0c85-\u0c8c\u0c8e-\u0c90\u0c92-\u0ca8\u0caa-\u0cb3\u0cb5-\u0cb9\u0cbd\u0cde\u0ce0\u0ce1\u0cf1\u0cf2\u0d05-\u0d0c\u0d0e-\u0d10\u0d12-\u0d3a\u0d3d\u0d4e\u0d60\u0d61\u0d7a-\u0d7f\u0d85-\u0d96\u0d9a-\u0db1\u0db3-\u0dbb\u0dbd\u0dc0-\u0dc6\u0e01-\u0e30\u0e32\u0e33\u0e40-\u0e46\u0e81\u0e82\u0e84\u0e87\u0e88\u0e8a\u0e8d\u0e94-\u0e97\u0e99-\u0e9f\u0ea1-\u0ea3\u0ea5\u0ea7\u0eaa\u0eab\u0ead-\u0eb0\u0eb2\u0eb3\u0ebd\u0ec0-\u0ec4\u0ec6\u0edc-\u0edf\u0f00\u0f40-\u0f47\u0f49-\u0f6c\u0f88-\u0f8c\u1000-\u102a\u103f\u1050-\u1055\u105a-\u105d\u1061\u1065\u1066\u106e-\u1070\u1075-\u1081\u108e\u10a0-\u10c5\u10c7\u10cd\u10d0-\u10fa\u10fc-\u1248\u124a-\u124d\u1250-\u1256\u1258\u125a-\u125d\u1260-\u1288\u128a-\u128d\u1290-\u12b0\u12b2-\u12b5\u12b8-\u12be\u12c0\u12c2-\u12c5\u12c8-\u12d6\u12d8-\u1310\u1312-\u1315\u1318-\u135a\u1380-\u138f\u13a0-\u13f4\u1401-\u166c\u166f-\u167f\u1681-\u169a\u16a0-\u16ea\u16ee-\u16f0\u1700-\u170c\u170e-\u1711\u1720-\u1731\u1740-\u1751\u1760-\u176c\u176e-\u1770\u1780-\u17b3\u17d7\u17dc\u1820-\u1877\u1880-\u18a8\u18aa\u18b0-\u18f5\u1900-\u191c\u1950-\u196d\u1970-\u1974\u1980-\u19ab\u19c1-\u19c7\u1a00-\u1a16\u1a20-\u1a54\u1aa7\u1b05-\u1b33\u1b45-\u1b4b\u1b83-\u1ba0\u1bae\u1baf\u1bba-\u1be5\u1c00-\u1c23\u1c4d-\u1c4f\u1c5a-\u1c7d\u1ce9-\u1cec\u1cee-\u1cf1\u1cf5\u1cf6\u1d00-\u1dbf\u1e00-\u1f15\u1f18-\u1f1d\u1f20-\u1f45\u1f48-\u1f4d\u1f50-\u1f57\u1f59\u1f5b\u1f5d\u1f5f-\u1f7d\u1f80-\u1fb4\u1fb6-\u1fbc\u1fbe\u1fc2-\u1fc4\u1fc6-\u1fcc\u1fd0-\u1fd3\u1fd6-\u1fdb\u1fe0-\u1fec\u1ff2-\u1ff4\u1ff6-\u1ffc\u2071\u207f\u2090-\u209c\u2102\u2107\u210a-\u2113\u2115\u2119-\u211d\u2124\u2126\u2128\u212a-\u212d\u212f-\u2139\u213c-\u213f\u2145-\u2149\u214e\u2160-\u2188\u2c00-\u2c2e\u2c30-\u2c5e\u2c60-\u2ce4\u2ceb-\u2cee\u2cf2\u2cf3\u2d00-\u2d25\u2d27\u2d2d\u2d30-\u2d67\u2d6f\u2d80-\u2d96\u2da0-\u2da6\u2da8-\u2dae\u2db0-\u2db6\u2db8-\u2dbe\u2dc0-\u2dc6\u2dc8-\u2dce\u2dd0-\u2dd6\u2dd8-\u2dde\u2e2f\u3005-\u3007\u3021-\u3029\u3031-\u3035\u3038-\u303c\u3041-\u3096\u309d-\u309f\u30a1-\u30fa\u30fc-\u30ff\u3105-\u312d\u3131-\u318e\u31a0-\u31ba\u31f0-\u31ff\u3400-\u4db5\u4e00-\u9fcc\ua000-\ua48c\ua4d0-\ua4fd\ua500-\ua60c\ua610-\ua61f\ua62a\ua62b\ua640-\ua66e\ua67f-\ua697\ua6a0-\ua6ef\ua717-\ua71f\ua722-\ua788\ua78b-\ua78e\ua790-\ua793\ua7a0-\ua7aa\ua7f8-\ua801\ua803-\ua805\ua807-\ua80a\ua80c-\ua822\ua840-\ua873\ua882-\ua8b3\ua8f2-\ua8f7\ua8fb\ua90a-\ua925\ua930-\ua946\ua960-\ua97c\ua984-\ua9b2\ua9cf\uaa00-\uaa28\uaa40-\uaa42\uaa44-\uaa4b\uaa60-\uaa76\uaa7a\uaa80-\uaaaf\uaab1\uaab5\uaab6\uaab9-\uaabd\uaac0\uaac2\uaadb-\uaadd\uaae0-\uaaea\uaaf2-\uaaf4\uab01-\uab06\uab09-\uab0e\uab11-\uab16\uab20-\uab26\uab28-\uab2e\uabc0-\uabe2\uac00-\ud7a3\ud7b0-\ud7c6\ud7cb-\ud7fb\uf900-\ufa6d\ufa70-\ufad9\ufb00-\ufb06\ufb13-\ufb17\ufb1d\ufb1f-\ufb28\ufb2a-\ufb36\ufb38-\ufb3c\ufb3e\ufb40\ufb41\ufb43\ufb44\ufb46-\ufbb1\ufbd3-\ufd3d\ufd50-\ufd8f\ufd92-\ufdc7\ufdf0-\ufdfb\ufe70-\ufe74\ufe76-\ufefc\uff21-\uff3a\uff41-\uff5a\uff66-\uffbe\uffc2-\uffc7\uffca-\uffcf\uffd2-\uffd7\uffda-\uffdc]'),
-        NonAsciiIdentifierPart: new RegExp('[\xaa\xb5\xba\xc0-\xd6\xd8-\xf6\xf8-\u02c1\u02c6-\u02d1\u02e0-\u02e4\u02ec\u02ee\u0300-\u0374\u0376\u0377\u037a-\u037d\u0386\u0388-\u038a\u038c\u038e-\u03a1\u03a3-\u03f5\u03f7-\u0481\u0483-\u0487\u048a-\u0527\u0531-\u0556\u0559\u0561-\u0587\u0591-\u05bd\u05bf\u05c1\u05c2\u05c4\u05c5\u05c7\u05d0-\u05ea\u05f0-\u05f2\u0610-\u061a\u0620-\u0669\u066e-\u06d3\u06d5-\u06dc\u06df-\u06e8\u06ea-\u06fc\u06ff\u0710-\u074a\u074d-\u07b1\u07c0-\u07f5\u07fa\u0800-\u082d\u0840-\u085b\u08a0\u08a2-\u08ac\u08e4-\u08fe\u0900-\u0963\u0966-\u096f\u0971-\u0977\u0979-\u097f\u0981-\u0983\u0985-\u098c\u098f\u0990\u0993-\u09a8\u09aa-\u09b0\u09b2\u09b6-\u09b9\u09bc-\u09c4\u09c7\u09c8\u09cb-\u09ce\u09d7\u09dc\u09dd\u09df-\u09e3\u09e6-\u09f1\u0a01-\u0a03\u0a05-\u0a0a\u0a0f\u0a10\u0a13-\u0a28\u0a2a-\u0a30\u0a32\u0a33\u0a35\u0a36\u0a38\u0a39\u0a3c\u0a3e-\u0a42\u0a47\u0a48\u0a4b-\u0a4d\u0a51\u0a59-\u0a5c\u0a5e\u0a66-\u0a75\u0a81-\u0a83\u0a85-\u0a8d\u0a8f-\u0a91\u0a93-\u0aa8\u0aaa-\u0ab0\u0ab2\u0ab3\u0ab5-\u0ab9\u0abc-\u0ac5\u0ac7-\u0ac9\u0acb-\u0acd\u0ad0\u0ae0-\u0ae3\u0ae6-\u0aef\u0b01-\u0b03\u0b05-\u0b0c\u0b0f\u0b10\u0b13-\u0b28\u0b2a-\u0b30\u0b32\u0b33\u0b35-\u0b39\u0b3c-\u0b44\u0b47\u0b48\u0b4b-\u0b4d\u0b56\u0b57\u0b5c\u0b5d\u0b5f-\u0b63\u0b66-\u0b6f\u0b71\u0b82\u0b83\u0b85-\u0b8a\u0b8e-\u0b90\u0b92-\u0b95\u0b99\u0b9a\u0b9c\u0b9e\u0b9f\u0ba3\u0ba4\u0ba8-\u0baa\u0bae-\u0bb9\u0bbe-\u0bc2\u0bc6-\u0bc8\u0bca-\u0bcd\u0bd0\u0bd7\u0be6-\u0bef\u0c01-\u0c03\u0c05-\u0c0c\u0c0e-\u0c10\u0c12-\u0c28\u0c2a-\u0c33\u0c35-\u0c39\u0c3d-\u0c44\u0c46-\u0c48\u0c4a-\u0c4d\u0c55\u0c56\u0c58\u0c59\u0c60-\u0c63\u0c66-\u0c6f\u0c82\u0c83\u0c85-\u0c8c\u0c8e-\u0c90\u0c92-\u0ca8\u0caa-\u0cb3\u0cb5-\u0cb9\u0cbc-\u0cc4\u0cc6-\u0cc8\u0cca-\u0ccd\u0cd5\u0cd6\u0cde\u0ce0-\u0ce3\u0ce6-\u0cef\u0cf1\u0cf2\u0d02\u0d03\u0d05-\u0d0c\u0d0e-\u0d10\u0d12-\u0d3a\u0d3d-\u0d44\u0d46-\u0d48\u0d4a-\u0d4e\u0d57\u0d60-\u0d63\u0d66-\u0d6f\u0d7a-\u0d7f\u0d82\u0d83\u0d85-\u0d96\u0d9a-\u0db1\u0db3-\u0dbb\u0dbd\u0dc0-\u0dc6\u0dca\u0dcf-\u0dd4\u0dd6\u0dd8-\u0ddf\u0df2\u0df3\u0e01-\u0e3a\u0e40-\u0e4e\u0e50-\u0e59\u0e81\u0e82\u0e84\u0e87\u0e88\u0e8a\u0e8d\u0e94-\u0e97\u0e99-\u0e9f\u0ea1-\u0ea3\u0ea5\u0ea7\u0eaa\u0eab\u0ead-\u0eb9\u0ebb-\u0ebd\u0ec0-\u0ec4\u0ec6\u0ec8-\u0ecd\u0ed0-\u0ed9\u0edc-\u0edf\u0f00\u0f18\u0f19\u0f20-\u0f29\u0f35\u0f37\u0f39\u0f3e-\u0f47\u0f49-\u0f6c\u0f71-\u0f84\u0f86-\u0f97\u0f99-\u0fbc\u0fc6\u1000-\u1049\u1050-\u109d\u10a0-\u10c5\u10c7\u10cd\u10d0-\u10fa\u10fc-\u1248\u124a-\u124d\u1250-\u1256\u1258\u125a-\u125d\u1260-\u1288\u128a-\u128d\u1290-\u12b0\u12b2-\u12b5\u12b8-\u12be\u12c0\u12c2-\u12c5\u12c8-\u12d6\u12d8-\u1310\u1312-\u1315\u1318-\u135a\u135d-\u135f\u1380-\u138f\u13a0-\u13f4\u1401-\u166c\u166f-\u167f\u1681-\u169a\u16a0-\u16ea\u16ee-\u16f0\u1700-\u170c\u170e-\u1714\u1720-\u1734\u1740-\u1753\u1760-\u176c\u176e-\u1770\u1772\u1773\u1780-\u17d3\u17d7\u17dc\u17dd\u17e0-\u17e9\u180b-\u180d\u1810-\u1819\u1820-\u1877\u1880-\u18aa\u18b0-\u18f5\u1900-\u191c\u1920-\u192b\u1930-\u193b\u1946-\u196d\u1970-\u1974\u1980-\u19ab\u19b0-\u19c9\u19d0-\u19d9\u1a00-\u1a1b\u1a20-\u1a5e\u1a60-\u1a7c\u1a7f-\u1a89\u1a90-\u1a99\u1aa7\u1b00-\u1b4b\u1b50-\u1b59\u1b6b-\u1b73\u1b80-\u1bf3\u1c00-\u1c37\u1c40-\u1c49\u1c4d-\u1c7d\u1cd0-\u1cd2\u1cd4-\u1cf6\u1d00-\u1de6\u1dfc-\u1f15\u1f18-\u1f1d\u1f20-\u1f45\u1f48-\u1f4d\u1f50-\u1f57\u1f59\u1f5b\u1f5d\u1f5f-\u1f7d\u1f80-\u1fb4\u1fb6-\u1fbc\u1fbe\u1fc2-\u1fc4\u1fc6-\u1fcc\u1fd0-\u1fd3\u1fd6-\u1fdb\u1fe0-\u1fec\u1ff2-\u1ff4\u1ff6-\u1ffc\u200c\u200d\u203f\u2040\u2054\u2071\u207f\u2090-\u209c\u20d0-\u20dc\u20e1\u20e5-\u20f0\u2102\u2107\u210a-\u2113\u2115\u2119-\u211d\u2124\u2126\u2128\u212a-\u212d\u212f-\u2139\u213c-\u213f\u2145-\u2149\u214e\u2160-\u2188\u2c00-\u2c2e\u2c30-\u2c5e\u2c60-\u2ce4\u2ceb-\u2cf3\u2d00-\u2d25\u2d27\u2d2d\u2d30-\u2d67\u2d6f\u2d7f-\u2d96\u2da0-\u2da6\u2da8-\u2dae\u2db0-\u2db6\u2db8-\u2dbe\u2dc0-\u2dc6\u2dc8-\u2dce\u2dd0-\u2dd6\u2dd8-\u2dde\u2de0-\u2dff\u2e2f\u3005-\u3007\u3021-\u302f\u3031-\u3035\u3038-\u303c\u3041-\u3096\u3099\u309a\u309d-\u309f\u30a1-\u30fa\u30fc-\u30ff\u3105-\u312d\u3131-\u318e\u31a0-\u31ba\u31f0-\u31ff\u3400-\u4db5\u4e00-\u9fcc\ua000-\ua48c\ua4d0-\ua4fd\ua500-\ua60c\ua610-\ua62b\ua640-\ua66f\ua674-\ua67d\ua67f-\ua697\ua69f-\ua6f1\ua717-\ua71f\ua722-\ua788\ua78b-\ua78e\ua790-\ua793\ua7a0-\ua7aa\ua7f8-\ua827\ua840-\ua873\ua880-\ua8c4\ua8d0-\ua8d9\ua8e0-\ua8f7\ua8fb\ua900-\ua92d\ua930-\ua953\ua960-\ua97c\ua980-\ua9c0\ua9cf-\ua9d9\uaa00-\uaa36\uaa40-\uaa4d\uaa50-\uaa59\uaa60-\uaa76\uaa7a\uaa7b\uaa80-\uaac2\uaadb-\uaadd\uaae0-\uaaef\uaaf2-\uaaf6\uab01-\uab06\uab09-\uab0e\uab11-\uab16\uab20-\uab26\uab28-\uab2e\uabc0-\uabea\uabec\uabed\uabf0-\uabf9\uac00-\ud7a3\ud7b0-\ud7c6\ud7cb-\ud7fb\uf900-\ufa6d\ufa70-\ufad9\ufb00-\ufb06\ufb13-\ufb17\ufb1d-\ufb28\ufb2a-\ufb36\ufb38-\ufb3c\ufb3e\ufb40\ufb41\ufb43\ufb44\ufb46-\ufbb1\ufbd3-\ufd3d\ufd50-\ufd8f\ufd92-\ufdc7\ufdf0-\ufdfb\ufe00-\ufe0f\ufe20-\ufe26\ufe33\ufe34\ufe4d-\ufe4f\ufe70-\ufe74\ufe76-\ufefc\uff10-\uff19\uff21-\uff3a\uff3f\uff41-\uff5a\uff66-\uffbe\uffc2-\uffc7\uffca-\uffcf\uffd2-\uffd7\uffda-\uffdc]')
-    };
-
-    CanAccessStringByIndex = typeof 'doctrine'[0] !== undefined;
-
-    function sliceSource(source, index, last) {
-        var output;
-        if (!CanAccessStringByIndex) {
-            output = source.slice(index, last).join('');
-        } else {
-            output = source.slice(index, last);
-        }
-        return output;
-    }
-
-    isArray = Array.isArray;
-    if (!isArray) {
-        isArray = function isArray(ary) {
-            return Object.prototype.toString.call(ary) === '[object Array]';
-        };
-    }
-
-    hasOwnProperty = (function () {
-        var func = Object.prototype.hasOwnProperty;
-        return function hasOwnProperty(obj, name) {
-            return func.call(obj, name);
-        };
-    }());
-
-    function shallowCopy(obj) {
-        var ret = {}, key;
-        for (key in obj) {
-            if (obj.hasOwnProperty(key)) {
-                ret[key] = obj[key];
-            }
-        }
-        return ret;
-    }
-
-    function isLineTerminator(ch) {
-        return ch === '\n' || ch === '\r' || ch === '\u2028' || ch === '\u2029';
-    }
-
-    function isWhiteSpace(ch) {
-        return (ch === ' ') || (ch === '\u0009') || (ch === '\u000B') ||
-            (ch === '\u000C') || (ch === '\u00A0') ||
-            (ch.charCodeAt(0) >= 0x1680 &&
-             '\u1680\u180E\u2000\u2001\u2002\u2003\u2004\u2005\u2006\u2007\u2008\u2009\u200A\u202F\u205F\u3000\uFEFF'.indexOf(ch) >= 0);
-    }
-
-    function isDecimalDigit(ch) {
-        return '0123456789'.indexOf(ch) >= 0;
-    }
-
-    function isHexDigit(ch) {
-        return '0123456789abcdefABCDEF'.indexOf(ch) >= 0;
-    }
-
-    function isOctalDigit(ch) {
-        return '01234567'.indexOf(ch) >= 0;
-    }
-
-    function isASCIIAlphanumeric(ch) {
-        return (ch >= 'a' && ch <= 'z') || (ch >= 'A' && ch <= 'Z') || (ch >= '0' && ch <= '9');
-    }
-
-    function isIdentifierStart(ch) {
-        return (ch === '$') || (ch === '_') || (ch === '\\') ||
-            (ch >= 'a' && ch <= 'z') || (ch >= 'A' && ch <= 'Z') ||
-            ((ch.charCodeAt(0) >= 0x80) && Regex.NonAsciiIdentifierStart.test(ch));
-    }
-
-    function isIdentifierPart(ch) {
-        return (ch === '$') || (ch === '_') || (ch === '\\') ||
-            (ch >= 'a' && ch <= 'z') || (ch >= 'A' && ch <= 'Z') ||
-            ((ch >= '0') && (ch <= '9')) ||
-            ((ch.charCodeAt(0) >= 0x80) && Regex.NonAsciiIdentifierPart.test(ch));
-    }
-
-    function isTypeName(ch) {
-        return '><(){}[],:*|?!='.indexOf(ch) === -1 && !isWhiteSpace(ch) && !isLineTerminator(ch);
-    }
-
-    function isParamTitle(title) {
-        return title === 'param' || title === 'argument' || title === 'arg';
-    }
-
-    function isProperty(title) {
-        return title === 'property' || title === 'prop';
-    }
-
-    function isNameParameterRequired(title) {
-        return isParamTitle(title) || isProperty(title) ||
-            title === 'alias' || title === 'this' || title === 'mixes' || title === 'requires';
-    }
-
-    function isAllowedName(title) {
-        return isNameParameterRequired(title) || title === 'const' || title === 'constant';
-    }
-
-    function isAllowedNested(title) {
-        return isProperty(title) || isParamTitle(title);
-    }
-
-    function isTypeParameterRequired(title) {
-        return isParamTitle(title) || title === 'define' || title === 'enum' ||
-            title === 'implements' || title === 'return' ||
-            title === 'this' || title === 'type' || title === 'typedef' ||
-            title === 'returns' || isProperty(title);
-    }
-
-    // Consider deprecation instead using 'isTypeParameterRequired' and 'Rules' declaration to pick when a type is optional/required
-    // This would require changes to 'parseType'
-    function isAllowedType(title) {
-        return isTypeParameterRequired(title) || title === 'throws' || title === 'const' || title === 'constant' ||
-            title === 'namespace' || title === 'member' || title === 'var' || title === 'module' ||
-            title === 'constructor' || title === 'class' || title === 'extends' || title === 'augments' ||
-            title === 'public' || title === 'private' || title === 'protected';
-    }
-
-    function DoctrineError(message) {
-        this.name = 'DoctrineError';
-        this.message = message;
-    }
-    DoctrineError.prototype = new Error();
-    DoctrineError.prototype.constructor = DoctrineError;
-
-    function throwError(message) {
-        throw new DoctrineError(message);
-    }
-
-    function assert(cond, text) {
-        if (VERSION.slice(-3) === 'dev') {
-            if (!cond) {
-                throwError(text);
-            }
-        }
-    }
-
-    function trim(str) {
-        return str.replace(/^\s+/, '').replace(/\s+$/, '');
-    }
-
-    function unwrapComment(doc) {
-        // JSDoc comment is following form
-        //   /**
-        //    * .......
-        //    */
-        // remove /**, */ and *
-        var BEFORE_STAR = 0,
-            STAR = 1,
-            AFTER_STAR = 2,
-            index,
-            len,
-            mode,
-            result,
-            ch;
-
-        doc = doc.replace(/^\/\*\*?/, '').replace(/\*\/$/, '');
-        index = 0;
-        len = doc.length;
-        mode = BEFORE_STAR;
-        result = '';
-
-        while (index < len) {
-            ch = doc[index];
-            switch (mode) {
-            case BEFORE_STAR:
-                if (isLineTerminator(ch)) {
-                    result += ch;
-                } else if (ch === '*') {
-                    mode = STAR;
-                } else if (!isWhiteSpace(ch)) {
-                    result += ch;
-                    mode = AFTER_STAR;
-                }
-                break;
-
-            case STAR:
-                if (!isWhiteSpace(ch)) {
-                    result += ch;
-                }
-                mode = isLineTerminator(ch) ? BEFORE_STAR : AFTER_STAR;
-                break;
-
-            case AFTER_STAR:
-                result += ch;
-                if (isLineTerminator(ch)) {
-                    mode = BEFORE_STAR;
-                }
-                break;
-            }
-            index += 1;
-        }
-
-        return result;
-    }
-
-    // Type Expression Parser
-
-    (function (exports) {
-        var Syntax,
-            Token,
-            source,
-            length,
-            index,
-            previous,
-            token,
-            value;
-
-        Syntax = {
-            NullableLiteral: 'NullableLiteral',
-            AllLiteral: 'AllLiteral',
-            NullLiteral: 'NullLiteral',
-            UndefinedLiteral: 'UndefinedLiteral',
-            VoidLiteral: 'VoidLiteral',
-            UnionType: 'UnionType',
-            ArrayType: 'ArrayType',
-            RecordType: 'RecordType',
-            FieldType: 'FieldType',
-            FunctionType: 'FunctionType',
-            ParameterType: 'ParameterType',
-            RestType: 'RestType',
-            NonNullableType: 'NonNullableType',
-            OptionalType: 'OptionalType',
-            NullableType: 'NullableType',
-            NameExpression: 'NameExpression',
-            TypeApplication: 'TypeApplication'
-        };
-
-        Token = {
-            ILLEGAL: 0,    // ILLEGAL
-            DOT: 1,        // .
-            DOT_LT: 2,     // .<
-            REST: 3,       // ...
-            LT: 4,         // <
-            GT: 5,         // >
-            LPAREN: 6,     // (
-            RPAREN: 7,     // )
-            LBRACE: 8,     // {
-            RBRACE: 9,     // }
-            LBRACK: 10,    // [
-            RBRACK: 11,    // ]
-            COMMA: 12,     // ,
-            COLON: 13,     // :
-            STAR: 14,      // *
-            PIPE: 15,      // |
-            QUESTION: 16,  // ?
-            BANG: 17,      // !
-            EQUAL: 18,     // =
-            NAME: 19,      // name token
-            STRING: 20,    // string
-            NUMBER: 21,    // number
-            EOF: 22
-        };
-
-        function Context(previous, index, token, value) {
-            this._previous = previous;
-            this._index = index;
-            this._token = token;
-            this._value = value;
-        }
-
-        Context.prototype.restore = function () {
-            previous = this._previous;
-            index = this._index;
-            token = this._token;
-            value = this._value;
-        };
-
-        Context.save = function () {
-            return new Context(previous, index, token, value);
-        };
-
-        function advance() {
-            var ch = source[index];
-            index += 1;
-            return ch;
-        }
-
-        function scanHexEscape(prefix) {
-            var i, len, ch, code = 0;
-
-            len = (prefix === 'u') ? 4 : 2;
-            for (i = 0; i < len; ++i) {
-                if (index < length && isHexDigit(source[index])) {
-                    ch = advance();
-                    code = code * 16 + '0123456789abcdef'.indexOf(ch.toLowerCase());
-                } else {
-                    return '';
-                }
-            }
-            return String.fromCharCode(code);
-        }
-
-        function scanString() {
-            var str = '', quote, ch, code, unescaped, restore; //TODO review removal octal = false
-            quote = source[index];
-            ++index;
-
-            while (index < length) {
-                ch = advance();
-
-                if (ch === quote) {
-                    quote = '';
-                    break;
-                } else if (ch === '\\') {
-                    ch = advance();
-                    if (!isLineTerminator(ch)) {
-                        switch (ch) {
-                        case 'n':
-                            str += '\n';
-                            break;
-                        case 'r':
-                            str += '\r';
-                            break;
-                        case 't':
-                            str += '\t';
-                            break;
-                        case 'u':
-                        case 'x':
-                            restore = index;
-                            unescaped = scanHexEscape(ch);
-                            if (unescaped) {
-                                str += unescaped;
-                            } else {
-                                index = restore;
-                                str += ch;
-                            }
-                            break;
-                        case 'b':
-                            str += '\b';
-                            break;
-                        case 'f':
-                            str += '\f';
-                            break;
-                        case 'v':
-                            str += '\v';
-                            break;
-
-                        default:
-                            if (isOctalDigit(ch)) {
-                                code = '01234567'.indexOf(ch);
-
-                                // \0 is not octal escape sequence
-                                // Deprecating unused code. TODO review removal
-                                //if (code !== 0) {
-                                //    octal = true;
-                                //}
-
-                                if (index < length && isOctalDigit(source[index])) {
-                                    //TODO Review Removal octal = true;
-                                    code = code * 8 + '01234567'.indexOf(advance());
-
-                                    // 3 digits are only allowed when string starts
-                                    // with 0, 1, 2, 3
-                                    if ('0123'.indexOf(ch) >= 0 &&
-                                            index < length &&
-                                            isOctalDigit(source[index])) {
-                                        code = code * 8 + '01234567'.indexOf(advance());
-                                    }
-                                }
-                                str += String.fromCharCode(code);
-                            } else {
-                                str += ch;
-                            }
-                            break;
-                        }
-                    } else {
-                        if (ch ===  '\r' && source[index] === '\n') {
-                            ++index;
-                        }
-                    }
-                } else if (isLineTerminator(ch)) {
-                    break;
-                } else {
-                    str += ch;
-                }
-            }
-
-            if (quote !== '') {
-                throwError('unexpected quote');
-            }
-
-            value = str;
-            return Token.STRING;
-        }
-
-        function scanNumber() {
-            var number, ch;
-
-            number = '';
-            if (ch !== '.') {
-                number = advance();
-                ch = source[index];
-
-                if (number === '0') {
-                    if (ch === 'x' || ch === 'X') {
-                        number += advance();
-                        while (index < length) {
-                            ch = source[index];
-                            if (!isHexDigit(ch)) {
-                                break;
-                            }
-                            number += advance();
-                        }
-
-                        if (number.length <= 2) {
-                            // only 0x
-                            throwError('unexpected token');
-                        }
-
-                        if (index < length) {
-                            ch = source[index];
-                            if (isIdentifierStart(ch)) {
-                                throwError('unexpected token');
-                            }
-                        }
-                        value = parseInt(number, 16);
-                        return Token.NUMBER;
-                    }
-
-                    if (isOctalDigit(ch)) {
-                        number += advance();
-                        while (index < length) {
-                            ch = source[index];
-                            if (!isOctalDigit(ch)) {
-                                break;
-                            }
-                            number += advance();
-                        }
-
-                        if (index < length) {
-                            ch = source[index];
-                            if (isIdentifierStart(ch) || isDecimalDigit(ch)) {
-                                throwError('unexpected token');
-                            }
-                        }
-                        value = parseInt(number, 8);
-                        return Token.NUMBER;
-                    }
-
-                    if (isDecimalDigit(ch)) {
-                        throwError('unexpected token');
-                    }
-                }
-
-                while (index < length) {
-                    ch = source[index];
-                    if (!isDecimalDigit(ch)) {
-                        break;
-                    }
-                    number += advance();
-                }
-            }
-
-            if (ch === '.') {
-                number += advance();
-                while (index < length) {
-                    ch = source[index];
-                    if (!isDecimalDigit(ch)) {
-                        break;
-                    }
-                    number += advance();
-                }
-            }
-
-            if (ch === 'e' || ch === 'E') {
-                number += advance();
-
-                ch = source[index];
-                if (ch === '+' || ch === '-') {
-                    number += advance();
-                }
-
-                ch = source[index];
-                if (isDecimalDigit(ch)) {
-                    number += advance();
-                    while (index < length) {
-                        ch = source[index];
-                        if (!isDecimalDigit(ch)) {
-                            break;
-                        }
-                        number += advance();
-                    }
-                } else {
-                    throwError('unexpected token');
-                }
-            }
-
-            if (index < length) {
-                ch = source[index];
-                if (isIdentifierStart(ch)) {
-                    throwError('unexpected token');
-                }
-            }
-
-            value = parseFloat(number);
-            return Token.NUMBER;
-        }
-
-
-        function scanTypeName() {
-            var ch, ch2;
-
-            value = advance();
-            while (index < length && isTypeName(source[index])) {
-                ch = source[index];
-                if (ch === '.') {
-                    if ((index + 1) < length) {
-                        ch2 = source[index + 1];
-                        if (ch2 === '<') {
-                            break;
-                        }
-                    }
-                }
-                value += advance();
-            }
-            return Token.NAME;
-        }
-
-        function next() {
-            var ch;
-
-            previous = index;
-
-            while (index < length && isWhiteSpace(source[index])) {
-                advance();
-            }
-            if (index >= length) {
-                token = Token.EOF;
-                return token;
-            }
-
-            ch = source[index];
-            switch (ch) {
-            case '"':
-                token = scanString();
-                return token;
-
-            case ':':
-                advance();
-                token = Token.COLON;
-                return token;
-
-            case ',':
-                advance();
-                token = Token.COMMA;
-                return token;
-
-            case '(':
-                advance();
-                token = Token.LPAREN;
-                return token;
-
-            case ')':
-                advance();
-                token = Token.RPAREN;
-                return token;
-
-            case '[':
-                advance();
-                token = Token.LBRACK;
-                return token;
-
-            case ']':
-                advance();
-                token = Token.RBRACK;
-                return token;
-
-            case '{':
-                advance();
-                token = Token.LBRACE;
-                return token;
-
-            case '}':
-                advance();
-                token = Token.RBRACE;
-                return token;
-
-            case '.':
-                advance();
-                if (index < length) {
-                    ch = source[index];
-                    if (ch === '<') {
-                        advance();
-                        token = Token.DOT_LT;
-                        return token;
-                    }
-
-                    if (ch === '.' && index + 1 < length && source[index + 1] === '.') {
-                        advance();
-                        advance();
-                        token = Token.REST;
-                        return token;
-                    }
-
-                    if (isDecimalDigit(ch)) {
-                        token = scanNumber();
-                        return token;
-                    }
-                }
-                token = Token.DOT;
-                return token;
-
-            case '<':
-                advance();
-                token = Token.LT;
-                return token;
-
-            case '>':
-                advance();
-                token = Token.GT;
-                return token;
-
-            case '*':
-                advance();
-                token = Token.STAR;
-                return token;
-
-            case '|':
-                advance();
-                token = Token.PIPE;
-                return token;
-
-            case '?':
-                advance();
-                token = Token.QUESTION;
-                return token;
-
-            case '!':
-                advance();
-                token = Token.BANG;
-                return token;
-
-            case '=':
-                advance();
-                token = Token.EQUAL;
-                return token;
-
-            default:
-                if (isDecimalDigit(ch)) {
-                    token = scanNumber();
-                    return token;
-                }
-
-                // type string permits following case,
-                //
-                // namespace.module.MyClass
-                //
-                // this reduced 1 token TK_NAME
-                if (isTypeName(ch)) {
-                    token = scanTypeName();
-                    return token;
-                }
-
-                token = Token.ILLEGAL;
-                return token;
-            }
-        }
-
-        function consume(target, text) {
-            assert(token === target, text || 'consumed token not matched');
-            next();
-        }
-
-        function expect(target) {
-            if (token !== target) {
-                throwError('unexpected token');
-            }
-            next();
-        }
-
-        // UnionType := '(' TypeUnionList ')'
-        //
-        // TypeUnionList :=
-        //     <<empty>>
-        //   | NonemptyTypeUnionList
-        //
-        // NonemptyTypeUnionList :=
-        //     TypeExpression
-        //   | TypeExpression '|' NonemptyTypeUnionList
-        function parseUnionType() {
-            var elements;
-            consume(Token.LPAREN, 'UnionType should start with (');
-            elements = [];
-            if (token !== Token.RPAREN) {
-                while (true) {
-                    elements.push(parseTypeExpression());
-                    if (token === Token.RPAREN) {
-                        break;
-                    }
-                    expect(Token.PIPE);
-                }
-            }
-            consume(Token.RPAREN, 'UnionType should end with )');
-            return {
-                type: Syntax.UnionType,
-                elements: elements
-            };
-        }
-
-        // ArrayType := '[' ElementTypeList ']'
-        //
-        // ElementTypeList :=
-        //     <<empty>>
-        //  | TypeExpression
-        //  | '...' TypeExpression
-        //  | TypeExpression ',' ElementTypeList
-        function parseArrayType() {
-            var elements;
-            consume(Token.LBRACK, 'ArrayType should start with [');
-            elements = [];
-            while (token !== Token.RBRACK) {
-                if (token === Token.REST) {
-                    consume(Token.REST);
-                    elements.push({
-                        type: Syntax.RestType,
-                        expression: parseTypeExpression()
-                    });
-                    break;
-                } else {
-                    elements.push(parseTypeExpression());
-                }
-                if (token !== Token.RBRACK) {
-                    expect(Token.COMMA);
-                }
-            }
-            expect(Token.RBRACK);
-            return {
-                type: Syntax.ArrayType,
-                elements: elements
-            };
-        }
-
-        function parseFieldName() {
-            var v = value;
-            if (token === Token.NAME || token === Token.STRING) {
-                next();
-                return v;
-            }
-
-            if (token === Token.NUMBER) {
-                consume(Token.NUMBER);
-                return String(v);
-            }
-
-            throwError('unexpected token');
-        }
-
-        // FieldType :=
-        //     FieldName
-        //   | FieldName ':' TypeExpression
-        //
-        // FieldName :=
-        //     NameExpression
-        //   | StringLiteral
-        //   | NumberLiteral
-        //   | ReservedIdentifier
-        function parseFieldType() {
-            var key;
-
-            key = parseFieldName();
-            if (token === Token.COLON) {
-                consume(Token.COLON);
-                return {
-                    type: Syntax.FieldType,
-                    key: key,
-                    value: parseTypeExpression()
-                };
-            }
-            return {
-                type: Syntax.FieldType,
-                key: key,
-                value: null
-            };
-        }
-
-        // RecordType := '{' FieldTypeList '}'
-        //
-        // FieldTypeList :=
-        //     <<empty>>
-        //   | FieldType
-        //   | FieldType ',' FieldTypeList
-        function parseRecordType() {
-            var fields;
-
-            consume(Token.LBRACE, 'RecordType should start with {');
-            fields = [];
-            if (token === Token.COMMA) {
-                consume(Token.COMMA);
-            } else {
-                while (token !== Token.RBRACE) {
-                    fields.push(parseFieldType());
-                    if (token !== Token.RBRACE) {
-                        expect(Token.COMMA);
-                    }
-                }
-            }
-            expect(Token.RBRACE);
-            return {
-                type: Syntax.RecordType,
-                fields: fields
-            };
-        }
-
-        function parseNameExpression() {
-            var name = value;
-            expect(Token.NAME);
-            return {
-                type: Syntax.NameExpression,
-                name: name
-            };
-        }
-
-        // TypeExpressionList :=
-        //     TopLevelTypeExpression
-        //   | TopLevelTypeExpression ',' TypeExpressionList
-        function parseTypeExpressionList() {
-            var elements = [];
-
-            elements.push(parseTop());
-            while (token === Token.COMMA) {
-                consume(Token.COMMA);
-                elements.push(parseTop());
-            }
-            return elements;
-        }
-
-        // TypeName :=
-        //     NameExpression
-        //   | NameExpression TypeApplication
-        //
-        // TypeApplication :=
-        //     '.<' TypeExpressionList '>'
-        //   | '<' TypeExpressionList '>'   // this is extension of doctrine
-        function parseTypeName() {
-            var expr, applications;
-
-            expr = parseNameExpression();
-            if (token === Token.DOT_LT || token === Token.LT) {
-                next();
-                applications = parseTypeExpressionList();
-                expect(Token.GT);
-                return {
-                    type: Syntax.TypeApplication,
-                    expression: expr,
-                    applications: applications
-                };
-            }
-            return expr;
-        }
-
-        // ResultType :=
-        //     <<empty>>
-        //   | ':' void
-        //   | ':' TypeExpression
-        //
-        // BNF is above
-        // but, we remove <<empty>> pattern, so token is always TypeToken::COLON
-        function parseResultType() {
-            consume(Token.COLON, 'ResultType should start with :');
-            if (token === Token.NAME && value === 'void') {
-                consume(Token.NAME);
-                return {
-                    type: Syntax.VoidLiteral
-                };
-            }
-            return parseTypeExpression();
-        }
-
-        // ParametersType :=
-        //     RestParameterType
-        //   | NonRestParametersType
-        //   | NonRestParametersType ',' RestParameterType
-        //
-        // RestParameterType :=
-        //     '...'
-        //     '...' Identifier
-        //
-        // NonRestParametersType :=
-        //     ParameterType ',' NonRestParametersType
-        //   | ParameterType
-        //   | OptionalParametersType
-        //
-        // OptionalParametersType :=
-        //     OptionalParameterType
-        //   | OptionalParameterType, OptionalParametersType
-        //
-        // OptionalParameterType := ParameterType=
-        //
-        // ParameterType := TypeExpression | Identifier ':' TypeExpression
-        //
-        // Identifier is "new" or "this"
-        function parseParametersType() {
-            var params = [], normal = true, expr, rest = false;
-
-            while (token !== Token.RPAREN) {
-                if (token === Token.REST) {
-                    // RestParameterType
-                    consume(Token.REST);
-                    rest = true;
-                }
-
-                expr = parseTypeExpression();
-                if (expr.type === Syntax.NameExpression && token === Token.COLON) {
-                    // Identifier ':' TypeExpression
-                    consume(Token.COLON);
-                    expr = {
-                        type: Syntax.ParameterType,
-                        name: expr.name,
-                        expression: parseTypeExpression()
-                    };
-                }
-                if (token === Token.EQUAL) {
-                    consume(Token.EQUAL);
-                    expr = {
-                        type: Syntax.OptionalType,
-                        expression: expr
-                    };
-                    normal = false;
-                } else {
-                    if (!normal) {
-                        throwError('unexpected token');
-                    }
-                }
-                if (rest) {
-                    expr = {
-                        type: Syntax.RestType,
-                        expression: expr
-                    };
-                }
-                params.push(expr);
-                if (token !== Token.RPAREN) {
-                    expect(Token.COMMA);
-                }
-            }
-            return params;
-        }
-
-        // FunctionType := 'function' FunctionSignatureType
-        //
-        // FunctionSignatureType :=
-        //   | TypeParameters '(' ')' ResultType
-        //   | TypeParameters '(' ParametersType ')' ResultType
-        //   | TypeParameters '(' 'this' ':' TypeName ')' ResultType
-        //   | TypeParameters '(' 'this' ':' TypeName ',' ParametersType ')' ResultType
-        function parseFunctionType() {
-            var isNew, thisBinding, params, result, fnType;
-            assert(token === Token.NAME && value === 'function', 'FunctionType should start with \'function\'');
-            consume(Token.NAME);
-
-            // Google Closure Compiler is not implementing TypeParameters.
-            // So we do not. if we don't get '(', we see it as error.
-            expect(Token.LPAREN);
-
-            isNew = false;
-            params = [];
-            thisBinding = null;
-            if (token !== Token.RPAREN) {
-                // ParametersType or 'this'
-                if (token === Token.NAME &&
-                        (value === 'this' || value === 'new')) {
-                    // 'this' or 'new'
-                    // 'new' is Closure Compiler extension
-                    isNew = value === 'new';
-                    consume(Token.NAME);
-                    expect(Token.COLON);
-                    thisBinding = parseTypeName();
-                    if (token === Token.COMMA) {
-                        consume(Token.COMMA);
-                        params = parseParametersType();
-                    }
-                } else {
-                    params = parseParametersType();
-                }
-            }
-
-            expect(Token.RPAREN);
-
-            result = null;
-            if (token === Token.COLON) {
-                result = parseResultType();
-            }
-
-            fnType = {
-                type: Syntax.FunctionType,
-                params: params,
-                result: result
-            };
-            if (thisBinding) {
-                // avoid adding null 'new' and 'this' properties
-                fnType['this'] = thisBinding;
-                if (isNew) {
-                    fnType['new'] = true;
-                }
-            }
-            return fnType;
-        }
-
-        // BasicTypeExpression :=
-        //     '*'
-        //   | 'null'
-        //   | 'undefined'
-        //   | TypeName
-        //   | FunctionType
-        //   | UnionType
-        //   | RecordType
-        //   | ArrayType
-        function parseBasicTypeExpression() {
-            var context;
-            switch (token) {
-            case Token.STAR:
-                consume(Token.STAR);
-                return {
-                    type: Syntax.AllLiteral
-                };
-
-            case Token.LPAREN:
-                return parseUnionType();
-
-            case Token.LBRACK:
-                return parseArrayType();
-
-            case Token.LBRACE:
-                return parseRecordType();
-
-            case Token.NAME:
-                if (value === 'null') {
-                    consume(Token.NAME);
-                    return {
-                        type: Syntax.NullLiteral
-                    };
-                }
-
-                if (value === 'undefined') {
-                    consume(Token.NAME);
-                    return {
-                        type: Syntax.UndefinedLiteral
-                    };
-                }
-
-                context = Context.save();
-                if (value === 'function') {
-                    try {
-                        return parseFunctionType();
-                    } catch (e) {
-                        context.restore();
-                    }
-                }
-
-                return parseTypeName();
-
-            default:
-                throwError('unexpected token');
-            }
-        }
-
-        // TypeExpression :=
-        //     BasicTypeExpression
-        //   | '?' BasicTypeExpression
-        //   | '!' BasicTypeExpression
-        //   | BasicTypeExpression '?'
-        //   | BasicTypeExpression '!'
-        //   | '?'
-        //   | BasicTypeExpression '[]'
-        function parseTypeExpression() {
-            var expr;
-
-            if (token === Token.QUESTION) {
-                consume(Token.QUESTION);
-                if (token === Token.COMMA || token === Token.EQUAL || token === Token.RBRACE ||
-                        token === Token.RPAREN || token === Token.PIPE || token === Token.EOF ||
-                        token === Token.RBRACK) {
-                    return {
-                        type: Syntax.NullableLiteral
-                    };
-                }
-                return {
-                    type: Syntax.NullableType,
-                    expression: parseBasicTypeExpression(),
-                    prefix: true
-                };
-            }
-
-            if (token === Token.BANG) {
-                consume(Token.BANG);
-                return {
-                    type: Syntax.NonNullableType,
-                    expression: parseBasicTypeExpression(),
-                    prefix: true
-                };
-            }
-
-            expr = parseBasicTypeExpression();
-            if (token === Token.BANG) {
-                consume(Token.BANG);
-                return {
-                    type: Syntax.NonNullableType,
-                    expression: expr,
-                    prefix: false
-                };
-            }
-
-            if (token === Token.QUESTION) {
-                consume(Token.QUESTION);
-                return {
-                    type: Syntax.NullableType,
-                    expression: expr,
-                    prefix: false
-                };
-            }
-
-            if (token === Token.LBRACK) {
-                consume(Token.LBRACK);
-                consume(Token.RBRACK, 'expected an array-style type declaration (' + value + '[])');
-                return {
-                    type: Syntax.TypeApplication,
-                    expression: {
-                        type: Syntax.NameExpression,
-                        name: 'Array'
-                    },
-                    applications: [expr]
-                };
-            }
-
-            return expr;
-        }
-
-        // TopLevelTypeExpression :=
-        //      TypeExpression
-        //    | TypeUnionList
-        //
-        // This rule is Google Closure Compiler extension, not ES4
-        // like,
-        //   { number | string }
-        // If strict to ES4, we should write it as
-        //   { (number|string) }
-        function parseTop() {
-            var expr, elements;
-
-            expr = parseTypeExpression();
-            if (token !== Token.PIPE) {
-                return expr;
-            }
-
-            elements = [ expr ];
-            consume(Token.PIPE);
-            while (true) {
-                elements.push(parseTypeExpression());
-                if (token !== Token.PIPE) {
-                    break;
-                }
-                consume(Token.PIPE);
-            }
-
-            return {
-                type: Syntax.UnionType,
-                elements: elements
-            };
-        }
-
-        function parseTopParamType() {
-            var expr;
-
-            if (token === Token.REST) {
-                consume(Token.REST);
-                return {
-                    type: Syntax.RestType,
-                    expression: parseTop()
-                };
-            }
-
-            expr = parseTop();
-            if (token === Token.EQUAL) {
-                consume(Token.EQUAL);
-                return {
-                    type: Syntax.OptionalType,
-                    expression: expr
-                };
-            }
-
-            return expr;
-        }
-
-        function parseType(src, opt) {
-            var expr;
-
-            source = src;
-            length = source.length;
-            index = 0;
-            previous = 0;
-
-            if (!CanAccessStringByIndex) {
-                source = source.split('');
-            }
-
-            next();
-            expr = parseTop();
-
-            if (opt && opt.midstream) {
-                return {
-                    expression: expr,
-                    index: previous
-                };
-            }
-
-            if (token !== Token.EOF) {
-                throwError('not reach to EOF');
-            }
-
-            return expr;
-        }
-
-        function parseParamType(src, opt) {
-            var expr;
-
-            source = src;
-            length = source.length;
-            index = 0;
-            previous = 0;
-
-            if (!CanAccessStringByIndex) {
-                source = source.split('');
-            }
-
-            next();
-            expr = parseTopParamType();
-
-            if (opt && opt.midstream) {
-                return {
-                    expression: expr,
-                    index: previous
-                };
-            }
-
-            if (token !== Token.EOF) {
-                throwError('not reach to EOF');
-            }
-
-            return expr;
-        }
-
-        function stringifyImpl(node, compact, topLevel) {
-            var result, i, iz;
-
-            switch (node.type) {
-            case Syntax.NullableLiteral:
-                result = '?';
-                break;
-
-            case Syntax.AllLiteral:
-                result = '*';
-                break;
-
-            case Syntax.NullLiteral:
-                result = 'null';
-                break;
-
-            case Syntax.UndefinedLiteral:
-                result = 'undefined';
-                break;
-
-            case Syntax.VoidLiteral:
-                result = 'void';
-                break;
-
-            case Syntax.UnionType:
-                if (!topLevel) {
-                    result = '(';
-                } else {
-                    result = '';
-                }
-
-                for (i = 0, iz = node.elements.length; i < iz; ++i) {
-                    result += stringifyImpl(node.elements[i], compact);
-                    if ((i + 1) !== iz) {
-                        result += '|';
-                    }
-                }
-
-                if (!topLevel) {
-                    result += ')';
-                }
-                break;
-
-            case Syntax.ArrayType:
-                result = '[';
-                for (i = 0, iz = node.elements.length; i < iz; ++i) {
-                    result += stringifyImpl(node.elements[i], compact);
-                    if ((i + 1) !== iz) {
-                        result += compact ? ',' : ', ';
-                    }
-                }
-                result += ']';
-                break;
-
-            case Syntax.RecordType:
-                result = '{';
-                for (i = 0, iz = node.fields.length; i < iz; ++i) {
-                    result += stringifyImpl(node.fields[i], compact);
-                    if ((i + 1) !== iz) {
-                        result += compact ? ',' : ', ';
-                    }
-                }
-                result += '}';
-                break;
-
-            case Syntax.FieldType:
-                if (node.value) {
-                    result = node.key + (compact ? ':' : ': ') + stringifyImpl(node.value, compact);
-                } else {
-                    result = node.key;
-                }
-                break;
-
-            case Syntax.FunctionType:
-                result = compact ? 'function(' : 'function (';
-
-                if (node['this']) {
-                    if (node['new']) {
-                        result += (compact ? 'new:' : 'new: ');
-                    } else {
-                        result += (compact ? 'this:' : 'this: ');
-                    }
-
-                    result += stringifyImpl(node['this'], compact);
-
-                    if (node.params.length !== 0) {
-                        result += compact ? ',' : ', ';
-                    }
-                }
-
-                for (i = 0, iz = node.params.length; i < iz; ++i) {
-                    result += stringifyImpl(node.params[i], compact);
-                    if ((i + 1) !== iz) {
-                        result += compact ? ',' : ', ';
-                    }
-                }
-
-                result += ')';
-
-                if (node.result) {
-                    result += (compact ? ':' : ': ') + stringifyImpl(node.result, compact);
-                }
-                break;
-
-            case Syntax.ParameterType:
-                result = node.name + (compact ? ':' : ': ') + stringifyImpl(node.expression, compact);
-                break;
-
-            case Syntax.RestType:
-                result = '...';
-                if (node.expression) {
-                    result += stringifyImpl(node.expression, compact);
-                }
-                break;
-
-            case Syntax.NonNullableType:
-                if (node.prefix) {
-                    result = '!' + stringifyImpl(node.expression, compact);
-                } else {
-                    result = stringifyImpl(node.expression, compact) + '!';
-                }
-                break;
-
-            case Syntax.OptionalType:
-                result = stringifyImpl(node.expression, compact) + '=';
-                break;
-
-            case Syntax.NullableType:
-                if (node.prefix) {
-                    result = '?' + stringifyImpl(node.expression, compact);
-                } else {
-                    result = stringifyImpl(node.expression, compact) + '?';
-                }
-                break;
-
-            case Syntax.NameExpression:
-                result = node.name;
-                break;
-
-            case Syntax.TypeApplication:
-                result = stringifyImpl(node.expression, compact) + '.<';
-                for (i = 0, iz = node.applications.length; i < iz; ++i) {
-                    result += stringifyImpl(node.applications[i], compact);
-                    if ((i + 1) !== iz) {
-                        result += compact ? ',' : ', ';
-                    }
-                }
-                result += '>';
-                break;
-
-            default:
-                throwError('Unknown type ' + node.type);
-            }
-
-            return result;
-        }
-
-        function stringify(node, options) {
-            if (options == null) {
-                options = {};
-            }
-            return stringifyImpl(node, options.compact, options.topLevel);
-        }
-
-        exports.parseType = parseType;
-        exports.parseParamType = parseParamType;
-        exports.stringify = stringify;
-        exports.Syntax = Syntax;
-    }(typed = {}));
-
-    // JSDoc Tag Parser
-
-    (function (exports) {
-        var Rules,
-            index,
-            lineNumber,
-            length,
-            source,
-            recoverable,
-            sloppy,
-            strict;
-
-        function advance() {
-            var ch = source[index];
-            index += 1;
-            if (isLineTerminator(ch)) {
-                lineNumber += 1;
-            }
-            return ch;
-        }
-
-        function scanTitle() {
-            var title = '';
-            // waste '@'
-            advance();
-
-            while (index < length && isASCIIAlphanumeric(source[index])) {
-                title += advance();
-            }
-
-            return title;
-        }
-
-        function seekContent() {
-            var ch, waiting, last = index;
-
-            waiting = false;
-            while (last < length) {
-                ch = source[last];
-                if (isLineTerminator(ch)) {
-                    lineNumber += 1;
-                    waiting = true;
-                } else if (waiting) {
-                    if (ch === '@') {
-                        break;
-                    }
-                    if (!isWhiteSpace(ch)) {
-                        waiting = false;
-                    }
-                }
-                last += 1;
-            }
-            return last;
-        }
-
-        // type expression may have nest brace, such as,
-        // { { ok: string } }
-        //
-        // therefore, scanning type expression with balancing braces.
-        function parseType(title, last) {
-            var ch, brace, type, direct = false;
-
-            // search '{'
-            while (index < last) {
-                ch = source[index];
-                if (isWhiteSpace(ch)) {
-                    advance();
-                } else if (ch === '{') {
-                    advance();
-                    break;
-                } else {
-                    // this is direct pattern
-                    direct = true;
-                    break;
-                }
-            }
-
-            if (!direct) {
-                // type expression { is found
-                brace = 1;
-                type = '';
-                while (index < last) {
-                    ch = source[index];
-                    if (isLineTerminator(ch)) {
-                        advance();
-                    } else {
-                        if (ch === '}') {
-                            brace -= 1;
-                            if (brace === 0) {
-                                advance();
-                                break;
-                            }
-                        } else if (ch === '{') {
-                            brace += 1;
-                        }
-                        type += advance();
-                    }
-                }
-
-                if (brace !== 0) {
-                    // braces is not balanced
-                    return throwError('Braces are not balanced');
-                }
-
-                try {
-                    if (isParamTitle(title)) {
-                        return typed.parseParamType(type);
-                    }
-                    return typed.parseType(type);
-                } catch (e1) {
-                    // parse failed
-                    return null;
-                }
-            } else {
-                return null;
-            }
-        }
-
-        function scanIdentifier(last) {
-            var identifier;
-            if (!isIdentifierStart(source[index])) {
-                return null;
-            }
-            identifier = advance();
-            while (index < last && isIdentifierPart(source[index])) {
-                identifier += advance();
-            }
-            return identifier;
-        }
-
-        function skipWhiteSpace(last) {
-            while (index < last && (isWhiteSpace(source[index]) || isLineTerminator(source[index]))) {
-                advance();
-            }
-        }
-
-        function parseName(last, allowBrackets, allowNestedParams) {
-            var name = '', useBrackets;
-
-            skipWhiteSpace(last);
-
-            if (index >= last) {
-                return null;
-            }
-
-            if (allowBrackets && source[index] === '[') {
-                useBrackets = true;
-                name = advance();
-            }
-
-            if (!isIdentifierStart(source[index])) {
-                return null;
-            }
-
-            name += scanIdentifier(last);
-
-            if (allowNestedParams) {
-                while (source[index] === '.') {
-                    name += '.';
-                    index += 1;
-                    name += scanIdentifier(last);
-                }
-            }
-
-            if (useBrackets) {
-                // do we have a default value for this?
-                if (source[index] === '=') {
-
-                    // consume the '='' symbol
-                    name += advance();
-                    // scan in the default value
-                    while (index < last && source[index] !== ']') {
-                        name += advance();
-                    }
-                }
-
-                if (index >= last  || source[index] !== ']') {
-                    // we never found a closing ']'
-                    return null;
-                }
-
-                // collect the last ']'
-                name += advance();
-            }
-
-            return name;
-        }
-
-        function skipToTag() {
-            while (index < length && source[index] !== '@') {
-                advance();
-            }
-            if (index >= length) {
-                return false;
-            }
-            assert(source[index] === '@');
-            return true;
-        }
-
-        function TagParser(options, title) {
-            this._options = options;
-            this._title = title;
-            this._tag = {
-                title: title,
-                description: null
-            };
-            if (this._options.lineNumbers) {
-                this._tag.lineNumber = lineNumber;
-            }
-            this._last = 0;
-            // space to save special information for title parsers.
-            this._extra = { };
-        }
-
-        // addError(err, ...)
-        TagParser.prototype.addError = function addError(errorText) {
-            var args = Array.prototype.slice.call(arguments, 1),
-                msg = errorText.replace(
-                    /%(\d)/g,
-                    function (whole, index) {
-                        assert(index < args.length, 'Message reference must be in range');
-                        return args[index];
-                    }
-                );
-
-            if (!this._tag.errors) {
-                this._tag.errors = [];
-            }
-            if (strict) {
-                throwError(msg);
-            }
-            this._tag.errors.push(msg);
-            return recoverable;
-        };
-
-        TagParser.prototype.parseType = function () {
-            // type required titles
-            if (isTypeParameterRequired(this._title)) {
-                try {
-                    this._tag.type = parseType(this._title, this._last);
-                    if (!this._tag.type) {
-                        if (!isParamTitle(this._title)) {
-                            if (!this.addError('Missing or invalid tag type')) {
-                                return false;
-                            }
-                        }
-                    }
-                } catch (error) {
-                    this._tag.type = null;
-                    if (!this.addError(error.message)) {
-                        return false;
-                    }
-                }
-            } else if (isAllowedType(this._title)) {
-                // optional types
-                try {
-                    this._tag.type = parseType(this._title, this._last);
-                } catch (e) {
-                    //For optional types, lets drop the thrown error when we hit the end of the file
-                }
-            }
-            return true;
-        };
-
-        TagParser.prototype._parseNamePath = function (optional) {
-            var name;
-            name = parseName(this._last, sloppy && isParamTitle(this._title), true);
-            if (!name) {
-                if (!optional) {
-                    if (!this.addError('Missing or invalid tag name')) {
-                        return false;
-                    }
-                }
-            }
-            this._tag.name = name;
-            return true;
-        };
-
-        TagParser.prototype.parseNamePath = function () {
-            return this._parseNamePath(false);
-        };
-
-        TagParser.prototype.parseNamePathOptional = function () {
-            return this._parseNamePath(true);
-        };
-
-
-        TagParser.prototype.parseName = function () {
-            var assign, name;
-
-            // param, property requires name
-            if (isAllowedName(this._title)) {
-                this._tag.name = parseName(this._last, sloppy && isParamTitle(this._title), isAllowedNested(this._title));
-                if (!this._tag.name) {
-                    if (!isNameParameterRequired(this._title)) {
-                        return true;
-                    }
-
-                    // it's possible the name has already been parsed but interpreted as a type
-                    // it's also possible this is a sloppy declaration, in which case it will be
-                    // fixed at the end
-                    if (isParamTitle(this._title) && this._tag.type.name) {
-                        this._extra.name = this._tag.type;
-                        this._tag.name = this._tag.type.name;
-                        this._tag.type = null;
-                    } else {
-                        if (!this.addError('Missing or invalid tag name')) {
-                            return false;
-                        }
-                    }
-                } else {
-                    name = this._tag.name;
-                    if (name.charAt(0) === '[' && name.charAt(name.length - 1) === ']') {
-                        // extract the default value if there is one
-                        // example: @param {string} [somebody=John Doe] description
-                        assign = name.substring(1, name.length - 1).split('=');
-                        if (assign[1]) {
-                            this._tag['default'] = assign[1];
-                        }
-                        this._tag.name = assign[0];
-
-                        // convert to an optional type
-                        if (this._tag.type.type !== 'OptionalType') {
-                            this._tag.type = {
-                                type: 'OptionalType',
-                                expression: this._tag.type
-                            };
-                        }
-                    }
-                }
-            }
-
-            return true;
-        };
-
-        TagParser.prototype.parseDescription = function parseDescription() {
-            var description = trim(sliceSource(source, index, this._last));
-            if (description) {
-                if ((/^-\s+/).test(description)) {
-                    description = description.substring(2);
-                }
-                this._tag.description = description;
-            }
-            return true;
-        };
-
-        TagParser.prototype.parseKind = function parseKind() {
-            var kind, kinds;
-            kinds = {
-                'class': true,
-                'constant': true,
-                'event': true,
-                'external': true,
-                'file': true,
-                'function': true,
-                'member': true,
-                'mixin': true,
-                'module': true,
-                'namespace': true,
-                'typedef': true
-            };
-            kind = trim(sliceSource(source, index, this._last));
-            this._tag.kind = kind;
-            if (!hasOwnProperty(kinds, kind)) {
-                if (!this.addError('Invalid kind name \'%0\'', kind)) {
-                    return false;
-                }
-            }
-            return true;
-        };
-
-        TagParser.prototype.parseAccess = function parseAccess() {
-            var access;
-            access = trim(sliceSource(source, index, this._last));
-            this._tag.access = access;
-            if (access !== 'private' && access !== 'protected' && access !== 'public') {
-                if (!this.addError('Invalid access name \'%0\'', access)) {
-                    return false;
-                }
-            }
-            return true;
-        };
-
-        TagParser.prototype.parseVariation = function parseVariation() {
-            var variation, text;
-            text = trim(sliceSource(source, index, this._last));
-            variation = parseFloat(text, 10);
-            this._tag.variation = variation;
-            if (isNaN(variation)) {
-                if (!this.addError('Invalid variation \'%0\'', text)) {
-                    return false;
-                }
-            }
-            return true;
-        };
-
-        TagParser.prototype.ensureEnd = function () {
-            var shouldBeEmpty = trim(sliceSource(source, index, this._last));
-            if (shouldBeEmpty) {
-                if (!this.addError('Unknown content \'%0\'', shouldBeEmpty)) {
-                    return false;
-                }
-            }
-            return true;
-        };
-
-        TagParser.prototype.epilogue = function epilogue() {
-            var description;
-
-            description = this._tag.description;
-            // un-fix potentially sloppy declaration
-            if (isParamTitle(this._title) && !this._tag.type && description && description.charAt(0) === '[') {
-                this._tag.type = this._extra.name;
-                this._tag.name = undefined;
-
-                if (!sloppy) {
-                    if (!this.addError('Missing or invalid tag name')) {
-                        return false;
-                    }
-                }
-            }
-
-            return true;
-        };
-
-        Rules = {
-            // http://usejsdoc.org/tags-access.html
-            'access': ['parseAccess'],
-            // http://usejsdoc.org/tags-alias.html
-            'alias': ['parseNamePath', 'ensureEnd'],
-            // http://usejsdoc.org/tags-augments.html
-            'augments': ['parseType', 'parseNamePathOptional', 'ensureEnd'],
-            // http://usejsdoc.org/tags-constructor.html
-            'constructor': ['parseType', 'parseNamePathOptional', 'ensureEnd'],
-            // Synonym: http://usejsdoc.org/tags-constructor.html
-            'class': ['parseType', 'parseNamePathOptional', 'ensureEnd'],
-            // Synonym: http://usejsdoc.org/tags-extends.html
-            'extends': ['parseType', 'parseNamePathOptional', 'ensureEnd'],
-            // http://usejsdoc.org/tags-deprecated.html
-            'deprecated': ['parseDescription'],
-            // http://usejsdoc.org/tags-global.html
-            'global': ['ensureEnd'],
-            // http://usejsdoc.org/tags-inner.html
-            'inner': ['ensureEnd'],
-            // http://usejsdoc.org/tags-instance.html
-            'instance': ['ensureEnd'],
-            // http://usejsdoc.org/tags-kind.html
-            'kind': ['parseKind'],
-            // http://usejsdoc.org/tags-mixes.html
-            'mixes': ['parseNamePath', 'ensureEnd'],
-            // http://usejsdoc.org/tags-mixin.html
-            'mixin': ['parseNamePathOptional', 'ensureEnd'],
-            // http://usejsdoc.org/tags-member.html
-            'member': ['parseType', 'parseNamePathOptional', 'ensureEnd'],
-            // http://usejsdoc.org/tags-method.html
-            'method': ['parseNamePathOptional', 'ensureEnd'],
-            // http://usejsdoc.org/tags-module.html
-            'module': ['parseType', 'parseNamePathOptional', 'ensureEnd'],
-            // Synonym: http://usejsdoc.org/tags-method.html
-            'func': ['parseNamePathOptional', 'ensureEnd'],
-            // Synonym: http://usejsdoc.org/tags-method.html
-            'function': ['parseNamePathOptional', 'ensureEnd'],
-            // Synonym: http://usejsdoc.org/tags-member.html
-            'var': ['parseType', 'parseNamePathOptional', 'ensureEnd'],
-            // http://usejsdoc.org/tags-name.html
-            'name': ['parseNamePath', 'ensureEnd'],
-            // http://usejsdoc.org/tags-namespace.html
-            'namespace': ['parseType', 'parseNamePathOptional', 'ensureEnd'],
-            // http://usejsdoc.org/tags-private.html
-            'private': ['parseType', 'parseDescription'],
-            // http://usejsdoc.org/tags-protected.html
-            'protected': ['parseType', 'parseDescription'],
-            // http://usejsdoc.org/tags-public.html
-            'public': ['parseType', 'parseDescription'],
-            // http://usejsdoc.org/tags-readonly.html
-            'readonly': ['ensureEnd'],
-            // http://usejsdoc.org/tags-requires.html
-            'requires': ['parseNamePath', 'ensureEnd'],
-            // http://usejsdoc.org/tags-since.html
-            'since': ['parseDescription'],
-            // http://usejsdoc.org/tags-static.html
-            'static': ['ensureEnd'],
-            // http://usejsdoc.org/tags-summary.html
-            'summary': ['parseDescription'],
-            // http://usejsdoc.org/tags-this.html
-            'this': ['parseNamePath', 'ensureEnd'],
-            // http://usejsdoc.org/tags-todo.html
-            'todo': ['parseDescription'],
-            // http://usejsdoc.org/tags-variation.html
-            'variation': ['parseVariation'],
-            // http://usejsdoc.org/tags-version.html
-            'version': ['parseDescription']
-        };
-
-        TagParser.prototype.parse = function parse() {
-            var i, iz, sequences, method;
-
-            // empty title
-            if (!this._title) {
-                if (!this.addError('Missing or invalid title')) {
-                    return null;
-                }
-            }
-
-            // Seek to content last index.
-            this._last = seekContent(this._title);
-
-            if (hasOwnProperty(Rules, this._title)) {
-                sequences = Rules[this._title];
-            } else {
-                // default sequences
-                sequences = ['parseType', 'parseName', 'parseDescription', 'epilogue'];
-            }
-
-            for (i = 0, iz = sequences.length; i < iz; ++i) {
-                method = sequences[i];
-                if (!this[method]()) {
-                    return null;
-                }
-            }
-
-            // Seek global index to end of this tag.
-            index = this._last;
-            return this._tag;
-        };
-
-        function parseTag(options) {
-            var title, parser;
-
-            // skip to tag
-            if (!skipToTag()) {
-                return null;
-            }
-
-            // scan title
-            title = scanTitle();
-
-            // construct tag parser
-            parser = new TagParser(options, title);
-            return parser.parse();
-        }
-
-        //
-        // Parse JSDoc
-        //
-
-        function scanJSDocDescription() {
-            var description = '', ch, atAllowed;
-
-            atAllowed = true;
-            while (index < length) {
-                ch = source[index];
-
-                if (atAllowed && ch === '@') {
-                    break;
-                }
-
-                if (isLineTerminator(ch)) {
-                    atAllowed = true;
-                } else if (atAllowed && !isWhiteSpace(ch)) {
-                    atAllowed = false;
-                }
-
-                description += advance();
-            }
-            return trim(description);
-        }
-
-        function parse(comment, options) {
-            var tags = [], tag, description, interestingTags, i, iz;
-
-            if (options === undefined) {
-                options = {};
-            }
-
-            if (typeof options.unwrap === 'boolean' && options.unwrap) {
-                source = unwrapComment(comment);
-            } else {
-                source = comment;
-            }
-
-            // array of relevant tags
-            if (options.tags) {
-                if (isArray(options.tags)) {
-                    interestingTags = { };
-                    for (i = 0, iz = options.tags.length; i < iz; i++) {
-                        if (typeof options.tags[i] === 'string') {
-                            interestingTags[options.tags[i]] = true;
-                        } else {
-                            throwError('Invalid "tags" parameter: ' + options.tags);
-                        }
-                    }
-                } else {
-                    throwError('Invalid "tags" parameter: ' + options.tags);
-                }
-            }
-
-            if (!CanAccessStringByIndex) {
-                source = source.split('');
-            }
-
-            length = source.length;
-            index = 0;
-            lineNumber = 0;
-            recoverable = options.recoverable;
-            sloppy = options.sloppy;
-            strict = options.strict;
-
-            description = scanJSDocDescription();
-
-            while (true) {
-                tag = parseTag(options);
-                if (!tag) {
-                    break;
-                }
-                if (!interestingTags || interestingTags.hasOwnProperty(tag.title)) {
-                    tags.push(tag);
-                }
-            }
-
-            return {
-                description: description,
-                tags: tags
-            };
-        }
-        exports.parse = parse;
-    }(jsdoc = {}));
-
-    exports.version = VERSION;
-    exports.parse = jsdoc.parse;
-    exports.parseType = typed.parseType;
-    exports.parseParamType = typed.parseParamType;
-    exports.unwrapComment = unwrapComment;
-    exports.Syntax = shallowCopy(typed.Syntax);
-    exports.Error = DoctrineError;
-    exports.type = {
-        Syntax: exports.Syntax,
-        parseType: typed.parseType,
-        parseParamType: typed.parseParamType,
-        stringify: typed.stringify
-    };
-}(typeof exports === 'undefined' ? (doctrine = {}) : exports));
-/* vim: set sw=4 ts=4 et tw=80 : */
-
-},{}],5:[function(require,module,exports){
-/*
-  Copyright (C) 2012-2013 Yusuke Suzuki <utatane.tea@gmail.com>
-  Copyright (C) 2013 Alex Seville <hi@alexanderseville.com>
-
-  Redistribution and use in source and binary forms, with or without
-  modification, are permitted provided that the following conditions are met:
-
-    * Redistributions of source code must retain the above copyright
-      notice, this list of conditions and the following disclaimer.
-    * Redistributions in binary form must reproduce the above copyright
-      notice, this list of conditions and the following disclaimer in the
-      documentation and/or other materials provided with the distribution.
-
-  THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
-  AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
-  IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
-  ARE DISCLAIMED. IN NO EVENT SHALL <COPYRIGHT HOLDER> BE LIABLE FOR ANY
-  DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
-  (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
-  LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
-  ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
-  (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
-  THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
-*/
-
-/**
- * Escope (<a href="http://github.com/Constellation/escope">escope</a>) is an <a
- * href="http://www.ecma-international.org/publications/standards/Ecma-262.htm">ECMAScript</a>
- * scope analyzer extracted from the <a
- * href="http://github.com/Constellation/esmangle">esmangle project</a/>.
- * <p>
- * <em>escope</em> finds lexical scopes in a source program, i.e. areas of that
- * program where different occurrences of the same identifier refer to the same
- * variable. With each scope the contained variables are collected, and each
- * identifier reference in code is linked to its corresponding variable (if
- * possible).
- * <p>
- * <em>escope</em> works on a syntax tree of the parsed source code which has
- * to adhere to the <a
- * href="https://developer.mozilla.org/en-US/docs/SpiderMonkey/Parser_API">
- * Mozilla Parser API</a>. E.g. <a href="http://esprima.org">esprima</a> is a parser
- * that produces such syntax trees.
- * <p>
- * The main interface is the {@link analyze} function.
- * @module
- */
-
-/*jslint bitwise:true */
-/*global exports:true, define:true, require:true*/
-(function (factory, global) {
-    'use strict';
-
-    function namespace(str, obj) {
-        var i, iz, names, name;
-        names = str.split('.');
-        for (i = 0, iz = names.length; i < iz; ++i) {
-            name = names[i];
-            if (obj.hasOwnProperty(name)) {
-                obj = obj[name];
-            } else {
-                obj = (obj[name] = {});
-            }
-        }
-        return obj;
-    }
-
-    // Universal Module Definition (UMD) to support AMD, CommonJS/Node.js,
-    // and plain browser loading,
-    if (typeof define === 'function' && define.amd) {
-        define('escope', ['exports', 'estraverse'], function (exports, estraverse) {
-            factory(exports, global, estraverse);
-        });
-    } else if (typeof exports !== 'undefined') {
-        factory(exports, global, require('estraverse'));
-    } else {
-        factory(namespace('escope', global), global, global.estraverse);
-    }
-}(function (exports, global, estraverse) {
-    'use strict';
-
-    var Syntax,
-        Map,
-        currentScope,
-        globalScope,
-        scopes,
-        options;
-
-    Syntax = estraverse.Syntax;
-
-    if (typeof global.Map !== 'undefined') {
-        // ES6 Map
-        Map = global.Map;
-    } else {
-        Map = function Map() {
-            this.__data = {};
-        };
-
-        Map.prototype.get = function MapGet(key) {
-            key = '$' + key;
-            if (this.__data.hasOwnProperty(key)) {
-                return this.__data[key];
-            }
-            return undefined;
-        };
-
-        Map.prototype.has = function MapHas(key) {
-            key = '$' + key;
-            return this.__data.hasOwnProperty(key);
-        };
-
-        Map.prototype.set = function MapSet(key, val) {
-            key = '$' + key;
-            this.__data[key] = val;
-        };
-
-        Map.prototype['delete'] = function MapDelete(key) {
-            key = '$' + key;
-            return delete this.__data[key];
-        };
-    }
-
-    function assert(cond, text) {
-        if (!cond) {
-            throw new Error(text);
-        }
-    }
-
-    function defaultOptions() {
-        return {
-            optimistic: false,
-            directive: false
-        };
-    }
-
-    function updateDeeply(target, override) {
-        var key, val;
-
-        function isHashObject(target) {
-            return typeof target === 'object' && target instanceof Object && !(target instanceof RegExp);
-        }
-
-        for (key in override) {
-            if (override.hasOwnProperty(key)) {
-                val = override[key];
-                if (isHashObject(val)) {
-                    if (isHashObject(target[key])) {
-                        updateDeeply(target[key], val);
-                    } else {
-                        target[key] = updateDeeply({}, val);
-                    }
-                } else {
-                    target[key] = val;
-                }
-            }
-        }
-        return target;
-    }
-
-    /**
-     * A Reference represents a single occurrence of an identifier in code.
-     * @class Reference
-     */
-    function Reference(ident, scope, flag, writeExpr, maybeImplicitGlobal) {
-        /** 
-         * Identifier syntax node.
-         * @member {esprima#Identifier} Reference#identifier 
-         */
-        this.identifier = ident;
-        /** 
-         * Reference to the enclosing Scope.
-         * @member {Scope} Reference#from 
-         */
-        this.from = scope;
-        /**
-         * Whether the reference comes from a dynamic scope (such as 'eval',
-         * 'with', etc.), and may be trapped by dynamic scopes.
-         * @member {boolean} Reference#tainted
-         */
-        this.tainted = false;
-        /** 
-         * The variable this reference is resolved with.
-         * @member {Variable} Reference#resolved 
-         */
-        this.resolved = null;
-        /** 
-         * The read-write mode of the reference. (Value is one of {@link
-         * Reference.READ}, {@link Reference.RW}, {@link Reference.WRITE}).
-         * @member {number} Reference#flag 
-         * @private
-         */
-        this.flag = flag;
-        if (this.isWrite()) {
-            /** 
-             * If reference is writeable, this is the tree being written to it.
-             * @member {esprima#Node} Reference#writeExpr 
-             */
-            this.writeExpr = writeExpr;
-        }
-        /** 
-         * Whether the Reference might refer to a global variable.
-         * @member {boolean} Reference#__maybeImplicitGlobal 
-         * @private
-         */
-        this.__maybeImplicitGlobal = maybeImplicitGlobal;
-    }
-
-    /** 
-     * @constant Reference.READ 
-     * @private
-     */
-    Reference.READ = 0x1;
-    /** 
-     * @constant Reference.WRITE 
-     * @private
-     */
-    Reference.WRITE = 0x2;
-    /** 
-     * @constant Reference.RW 
-     * @private
-     */
-    Reference.RW = 0x3;
-
-    /**
-     * Whether the reference is static.
-     * @method Reference#isStatic
-     * @return {boolean}
-     */
-    Reference.prototype.isStatic = function isStatic() {
-        return !this.tainted && this.resolved && this.resolved.scope.isStatic();
-    };
-
-    /**
-     * Whether the reference is writeable.
-     * @method Reference#isWrite
-     * @return {boolean}
-     */
-    Reference.prototype.isWrite = function isWrite() {
-        return this.flag & Reference.WRITE;
-    };
-
-    /**
-     * Whether the reference is readable.
-     * @method Reference#isRead
-     * @return {boolean}
-     */
-    Reference.prototype.isRead = function isRead() {
-        return this.flag & Reference.READ;
-    };
-
-    /**
-     * Whether the reference is read-only.
-     * @method Reference#isReadOnly
-     * @return {boolean}
-     */
-    Reference.prototype.isReadOnly = function isReadOnly() {
-        return this.flag === Reference.READ;
-    };
-
-    /**
-     * Whether the reference is write-only.
-     * @method Reference#isWriteOnly
-     * @return {boolean}
-     */
-    Reference.prototype.isWriteOnly = function isWriteOnly() {
-        return this.flag === Reference.WRITE;
-    };
-
-    /**
-     * Whether the reference is read-write.
-     * @method Reference#isReadWrite
-     * @return {boolean}
-     */
-    Reference.prototype.isReadWrite = function isReadWrite() {
-        return this.flag === Reference.RW;
-    };
-
-    /**
-     * A Variable represents a locally scoped identifier. These include arguments to
-     * functions.
-     * @class Variable
-     */
-    function Variable(name, scope) {
-        /**  
-         * The variable name, as given in the source code.
-         * @member {String} Variable#name 
-         */
-        this.name = name;
-        /**
-         * List of defining occurrences of this variable (like in 'var ...'
-         * statements or as parameter), as AST nodes.
-         * @member {esprima.Identifier[]} Variable#identifiers
-         */
-        this.identifiers = [];
-        /**
-         * List of {@link Reference|references} of this variable (excluding parameter entries)
-         * in its defining scope and all nested scopes. For defining
-         * occurrences only see {@link Variable#defs}.
-         * @member {Reference[]} Variable#references
-         */
-        this.references = [];
-
-        /**
-         * List of defining occurrences of this variable (like in 'var ...'
-         * statements or as parameter), as custom objects.
-         * @typedef {Object} DefEntry
-         * @property {String} DefEntry.type - the type of the occurrence (e.g.
-         *      "Parameter", "Variable", ...)
-         * @property {esprima.Identifier} DefEntry.name - the identifier AST node of the occurrence
-         * @property {esprima.Node} DefEntry.node - the enclosing node of the
-         *      identifier
-         * @property {esprima.Node} [DefEntry.parent] - the enclosing statement
-         *      node of the identifier
-         * @member {DefEntry[]} Variable#defs
-         */
-        this.defs = [];
-
-        this.tainted = false;
-        /**
-         * Whether this is a stack variable.
-         * @member {boolean} Variable#stack
-         */
-        this.stack = true;
-        /** 
-         * Reference to the enclosing Scope.
-         * @member {Scope} Variable#scope 
-         */
-        this.scope = scope;
-    }
-
-    Variable.CatchClause = 'CatchClause';
-    Variable.Parameter = 'Parameter';
-    Variable.FunctionName = 'FunctionName';
-    Variable.Variable = 'Variable';
-    Variable.ImplicitGlobalVariable = 'ImplicitGlobalVariable';
-
-    function isStrictScope(scope, block) {
-        var body, i, iz, stmt, expr;
-
-        // When upper scope is exists and strict, inner scope is also strict.
-        if (scope.upper && scope.upper.isStrict) {
-            return true;
-        }
-
-        if (scope.type === 'function') {
-            body = block.body;
-        } else if (scope.type === 'global') {
-            body = block;
-        } else {
-            return false;
-        }
-
-        if (options.directive) {
-            for (i = 0, iz = body.body.length; i < iz; ++i) {
-                stmt = body.body[i];
-                if (stmt.type !== 'DirectiveStatement') {
-                    break;
-                }
-                if (stmt.raw === '"use strict"' || stmt.raw === '\'use strict\'') {
-                    return true;
-                }
-            }
-        } else {
-            for (i = 0, iz = body.body.length; i < iz; ++i) {
-                stmt = body.body[i];
-                if (stmt.type !== Syntax.ExpressionStatement) {
-                    break;
-                }
-                expr = stmt.expression;
-                if (expr.type !== Syntax.Literal || typeof expr.value !== 'string') {
-                    break;
-                }
-                if (expr.raw != null) {
-                    if (expr.raw === '"use strict"' || expr.raw === '\'use strict\'') {
-                        return true;
-                    }
-                } else {
-                    if (expr.value === 'use strict') {
-                        return true;
-                    }
-                }
-            }
-        }
-        return false;
-    }
-
-    /**
-     * @class Scope
-     */
-    function Scope(block, opt) {
-        var variable, body;
-
-        /**
-         * One of 'catch', 'with', 'function' or 'global'.
-         * @member {String} Scope#type
-         */
-        this.type =
-            (block.type === Syntax.CatchClause) ? 'catch' :
-            (block.type === Syntax.WithStatement) ? 'with' :
-            (block.type === Syntax.Program) ? 'global' : 'function';
-         /**
-         * The scoped {@link Variable}s of this scope, as <code>{ Variable.name
-         * : Variable }</code>.
-         * @member {Map} Scope#set
-         */
-        this.set = new Map();
-        /**
-         * The tainted variables of this scope, as <code>{ Variable.name :
-         * boolean }</code>.
-         * @member {Map} Scope#taints */
-        this.taints = new Map();
-        /**
-         * Generally, through the lexical scoping of JS you can always know
-         * which variable an identifier in the source code refers to. There are
-         * a few exceptions to this rule. With 'global' and 'with' scopes you
-         * can only decide at runtime which variable a reference refers to.
-         * Moreover, if 'eval()' is used in a scope, it might introduce new
-         * bindings in this or its prarent scopes.
-         * All those scopes are considered 'dynamic'.
-         * @member {boolean} Scope#dynamic
-         */
-        this.dynamic = this.type === 'global' || this.type === 'with';
-        /**
-         * A reference to the scope-defining syntax node.
-         * @member {esprima.Node} Scope#block
-         */
-        this.block = block;
-         /**
-         * The {@link Reference|references} that are not resolved with this scope.
-         * @member {Reference[]} Scope#through
-         */
-        this.through = [];
-         /**
-         * The scoped {@link Variable}s of this scope. In the case of a
-         * 'function' scope this includes the automatic argument <em>arguments</em> as
-         * its first element, as well as all further formal arguments.
-         * @member {Variable[]} Scope#variables
-         */
-        this.variables = [];
-         /**
-         * Any variable {@link Reference|reference} found in this scope. This
-         * includes occurrences of local variables as well as variables from
-         * parent scopes (including the global scope). For local variables
-         * this also includes defining occurrences (like in a 'var' statement).
-         * In a 'function' scope this does not include the occurrences of the
-         * formal parameter in the parameter list.
-         * @member {Reference[]} Scope#references
-         */
-        this.references = [];
-         /**
-         * List of {@link Reference}s that are left to be resolved (i.e. which
-         * need to be linked to the variable they refer to). Used internally to
-         * resolve bindings during scope analysis. On a finalized scope
-         * analysis, all sopes have <em>left</em> value <strong>null</strong>.
-         * @member {Reference[]} Scope#left
-         */
-        this.left = [];
-         /**
-         * For 'global' and 'function' scopes, this is a self-reference. For
-         * other scope types this is the <em>variableScope</em> value of the
-         * parent scope.
-         * @member {Scope} Scope#variableScope
-         */
-        this.variableScope =
-            (this.type === 'global' || this.type === 'function') ? this : currentScope.variableScope;
-         /**
-         * Whether this scope is created by a FunctionExpression.
-         * @member {boolean} Scope#functionExpressionScope
-         */
-        this.functionExpressionScope = false;
-         /**
-         * Whether this is a scope that contains an 'eval()' invocation.
-         * @member {boolean} Scope#directCallToEvalScope
-         */
-        this.directCallToEvalScope = false;
-         /**
-         * @member {boolean} Scope#thisFound
-         */
-        this.thisFound = false;
-        body = this.type === 'function' ? block.body : block;
-        if (opt.naming) {
-            this.__define(block.id, {
-                type: Variable.FunctionName,
-                name: block.id,
-                node: block
-            });
-            this.functionExpressionScope = true;
-        } else {
-            if (this.type === 'function') {
-                variable = new Variable('arguments', this);
-                this.taints.set('arguments', true);
-                this.set.set('arguments', variable);
-                this.variables.push(variable);
-            }
-
-            if (block.type === Syntax.FunctionExpression && block.id) {
-                new Scope(block, { naming: true });
-            }
-        }
-
-         /**
-         * Reference to the parent {@link Scope|scope}.
-         * @member {Scope} Scope#upper
-         */
-        this.upper = currentScope;
-         /**
-         * Whether 'use strict' is in effect in this scope.
-         * @member {boolean} Scope#isStrict
-         */
-        this.isStrict = isStrictScope(this, block);
-
-         /**
-         * List of nested {@link Scope}s.
-         * @member {Scope[]} Scope#childScopes
-         */
-        this.childScopes = [];
-        if (currentScope) {
-            currentScope.childScopes.push(this);
-        }
-
-
-        // RAII
-        currentScope = this;
-        if (this.type === 'global') {
-            globalScope = this;
-            globalScope.implicit = {
-                set: new Map(),
-                variables: []
-            };
-        }
-        scopes.push(this);
-    }
-
-    Scope.prototype.__close = function __close() {
-        var i, iz, ref, current, node, implicit;
-
-        // Because if this is global environment, upper is null
-        if (!this.dynamic || options.optimistic) {
-            // static resolve
-            for (i = 0, iz = this.left.length; i < iz; ++i) {
-                ref = this.left[i];
-                if (!this.__resolve(ref)) {
-                    this.__delegateToUpperScope(ref);
-                }
-            }
-        } else {
-            // this is "global" / "with" / "function with eval" environment
-            if (this.type === 'with') {
-                for (i = 0, iz = this.left.length; i < iz; ++i) {
-                    ref = this.left[i];
-                    ref.tainted = true;
-                    this.__delegateToUpperScope(ref);
-                }
-            } else {
-                for (i = 0, iz = this.left.length; i < iz; ++i) {
-                    // notify all names are through to global
-                    ref = this.left[i];
-                    current = this;
-                    do {
-                        current.through.push(ref);
-                        current = current.upper;
-                    } while (current);
-                }
-            }
-        }
-
-        if (this.type === 'global') {
-            implicit = [];
-            for (i = 0, iz = this.left.length; i < iz; ++i) {
-                ref = this.left[i];
-                if (ref.__maybeImplicitGlobal && !this.set.has(ref.identifier.name)) {
-                    implicit.push(ref.__maybeImplicitGlobal);
-                }
-            }
-
-            // create an implicit global variable from assignment expression
-            for (i = 0, iz = implicit.length; i < iz; ++i) {
-                node = implicit[i];
-                this.__defineImplicit(node.left, {
-                    type: Variable.ImplicitGlobalVariable,
-                    name: node.left,
-                    node: node
-                });
-            }
-        }
-
-        this.left = null;
-        currentScope = this.upper;
-    };
-
-    Scope.prototype.__resolve = function __resolve(ref) {
-        var variable, name;
-        name = ref.identifier.name;
-        if (this.set.has(name)) {
-            variable = this.set.get(name);
-            variable.references.push(ref);
-            variable.stack = variable.stack && ref.from.variableScope === this.variableScope;
-            if (ref.tainted) {
-                variable.tainted = true;
-                this.taints.set(variable.name, true);
-            }
-            ref.resolved = variable;
-            return true;
-        }
-        return false;
-    };
-
-    Scope.prototype.__delegateToUpperScope = function __delegateToUpperScope(ref) {
-        if (this.upper) {
-            this.upper.left.push(ref);
-        }
-        this.through.push(ref);
-    };
-
-    Scope.prototype.__defineImplicit = function __defineImplicit(node, info) {
-        var name, variable;
-        if (node && node.type === Syntax.Identifier) {
-            name = node.name;
-            if (!this.implicit.set.has(name)) {
-                variable = new Variable(name, this);
-                variable.identifiers.push(node);
-                variable.defs.push(info);
-                this.implicit.set.set(name, variable);
-                this.implicit.variables.push(variable);
-            } else {
-                variable = this.implicit.set.get(name);
-                variable.identifiers.push(node);
-                variable.defs.push(info);
-            }
-        }
-    };
-
-    Scope.prototype.__define = function __define(node, info) {
-        var name, variable;
-        if (node && node.type === Syntax.Identifier) {
-            name = node.name;
-            if (!this.set.has(name)) {
-                variable = new Variable(name, this);
-                variable.identifiers.push(node);
-                variable.defs.push(info);
-                this.set.set(name, variable);
-                this.variables.push(variable);
-            } else {
-                variable = this.set.get(name);
-                variable.identifiers.push(node);
-                variable.defs.push(info);
-            }
-        }
-    };
-
-    Scope.prototype.__referencing = function __referencing(node, assign, writeExpr, maybeImplicitGlobal) {
-        var ref;
-        // because Array element may be null
-        if (node && node.type === Syntax.Identifier) {
-            ref = new Reference(node, this, assign || Reference.READ, writeExpr, maybeImplicitGlobal);
-            this.references.push(ref);
-            this.left.push(ref);
-        }
-    };
-
-    Scope.prototype.__detectEval = function __detectEval() {
-        var current;
-        current = this;
-        this.directCallToEvalScope = true;
-        do {
-            current.dynamic = true;
-            current = current.upper;
-        } while (current);
-    };
-
-    Scope.prototype.__detectThis = function __detectThis() {
-        this.thisFound = true;
-    };
-
-    Scope.prototype.__isClosed = function isClosed() {
-        return this.left === null;
-    };
-
-    // API Scope#resolve(name)
-    // returns resolved reference
-    Scope.prototype.resolve = function resolve(ident) {
-        var ref, i, iz;
-        assert(this.__isClosed(), 'scope should be closed');
-        assert(ident.type === Syntax.Identifier, 'target should be identifier');
-        for (i = 0, iz = this.references.length; i < iz; ++i) {
-            ref = this.references[i];
-            if (ref.identifier === ident) {
-                return ref;
-            }
-        }
-        return null;
-    };
-
-    // API Scope#isStatic
-    // returns this scope is static
-    Scope.prototype.isStatic = function isStatic() {
-        return !this.dynamic;
-    };
-
-    // API Scope#isArgumentsMaterialized
-    // return this scope has materialized arguments
-    Scope.prototype.isArgumentsMaterialized = function isArgumentsMaterialized() {
-        // TODO(Constellation)
-        // We can more aggressive on this condition like this.
-        //
-        // function t() {
-        //     // arguments of t is always hidden.
-        //     function arguments() {
-        //     }
-        // }
-        var variable;
-
-        // This is not function scope
-        if (this.type !== 'function') {
-            return true;
-        }
-
-        if (!this.isStatic()) {
-            return true;
-        }
-
-        variable = this.set.get('arguments');
-        assert(variable, 'always have arguments variable');
-        return variable.tainted || variable.references.length  !== 0;
-    };
-
-    // API Scope#isThisMaterialized
-    // return this scope has materialized `this` reference
-    Scope.prototype.isThisMaterialized = function isThisMaterialized() {
-        // This is not function scope
-        if (this.type !== 'function') {
-            return true;
-        }
-        if (!this.isStatic()) {
-            return true;
-        }
-        return this.thisFound;
-    };
-
-    Scope.mangledName = '__$escope$__';
-
-    Scope.prototype.attach = function attach() {
-        if (!this.functionExpressionScope) {
-            this.block[Scope.mangledName] = this;
-        }
-    };
-
-    Scope.prototype.detach = function detach() {
-        if (!this.functionExpressionScope) {
-            delete this.block[Scope.mangledName];
-        }
-    };
-
-    Scope.prototype.isUsedName = function (name) {
-        if (this.set.has(name)) {
-            return true;
-        }
-        for (var i = 0, iz = this.through.length; i < iz; ++i) {
-            if (this.through[i].identifier.name === name) {
-                return true;
-            }
-        }
-        return false;
-    };
-
-    /**
-     * @class ScopeManager
-     */
-    function ScopeManager(scopes) {
-        this.scopes = scopes;
-        this.attached = false;
-    }
-
-    // Returns appropliate scope for this node
-    ScopeManager.prototype.__get = function __get(node) {
-        var i, iz, scope;
-        if (this.attached) {
-            return node[Scope.mangledName] || null;
-        }
-        if (Scope.isScopeRequired(node)) {
-            for (i = 0, iz = this.scopes.length; i < iz; ++i) {
-                scope = this.scopes[i];
-                if (!scope.functionExpressionScope) {
-                    if (scope.block === node) {
-                        return scope;
-                    }
-                }
-            }
-        }
-        return null;
-    };
-
-    ScopeManager.prototype.acquire = function acquire(node) {
-        return this.__get(node);
-    };
-
-    ScopeManager.prototype.release = function release(node) {
-        var scope = this.__get(node);
-        if (scope) {
-            scope = scope.upper;
-            while (scope) {
-                if (!scope.functionExpressionScope) {
-                    return scope;
-                }
-                scope = scope.upper;
-            }
-        }
-        return null;
-    };
-
-    ScopeManager.prototype.attach = function attach() {
-        var i, iz;
-        for (i = 0, iz = this.scopes.length; i < iz; ++i) {
-            this.scopes[i].attach();
-        }
-        this.attached = true;
-    };
-
-    ScopeManager.prototype.detach = function detach() {
-        var i, iz;
-        for (i = 0, iz = this.scopes.length; i < iz; ++i) {
-            this.scopes[i].detach();
-        }
-        this.attached = false;
-    };
-
-    Scope.isScopeRequired = function isScopeRequired(node) {
-        return Scope.isVariableScopeRequired(node) || node.type === Syntax.WithStatement || node.type === Syntax.CatchClause;
-    };
-
-    Scope.isVariableScopeRequired = function isVariableScopeRequired(node) {
-        return node.type === Syntax.Program || node.type === Syntax.FunctionExpression || node.type === Syntax.FunctionDeclaration;
-    };
-
-    /**
-     * Main interface function. Takes an Esprima syntax tree and returns the
-     * analyzed scopes.
-     * @function analyze
-     * @param {esprima.Tree} tree
-     * @param {Object} providedOptions - Options that tailor the scope analysis
-     * @param {boolean} [providedOptions.optimistic=false] - the optimistic flag
-     * @param {boolean} [providedOptions.directive=false]- the directive flag
-     * @param {boolean} [providedOptions.ignoreEval=false]- whether to check 'eval()' calls
-     * @return {ScopeManager}
-     */
-    function analyze(tree, providedOptions) {
-        var resultScopes;
-
-        options = updateDeeply(defaultOptions(), providedOptions);
-        resultScopes = scopes = [];
-        currentScope = null;
-        globalScope = null;
-
-        // attach scope and collect / resolve names
-        estraverse.traverse(tree, {
-            enter: function enter(node) {
-                var i, iz, decl;
-                if (Scope.isScopeRequired(node)) {
-                    new Scope(node, {});
-                }
-
-                switch (node.type) {
-                case Syntax.AssignmentExpression:
-                    if (node.operator === '=') {
-                        currentScope.__referencing(node.left, Reference.WRITE, node.right, (!currentScope.isStrict && node.left.name != null) && node);
-                    } else {
-                        currentScope.__referencing(node.left, Reference.RW, node.right);
-                    }
-                    currentScope.__referencing(node.right);
-                    break;
-
-                case Syntax.ArrayExpression:
-                    for (i = 0, iz = node.elements.length; i < iz; ++i) {
-                        currentScope.__referencing(node.elements[i]);
-                    }
-                    break;
-
-                case Syntax.BlockStatement:
-                    break;
-
-                case Syntax.BinaryExpression:
-                    currentScope.__referencing(node.left);
-                    currentScope.__referencing(node.right);
-                    break;
-
-                case Syntax.BreakStatement:
-                    break;
-
-                case Syntax.CallExpression:
-                    currentScope.__referencing(node.callee);
-                    for (i = 0, iz = node['arguments'].length; i < iz; ++i) {
-                        currentScope.__referencing(node['arguments'][i]);
-                    }
-
-                    // check this is direct call to eval
-                    if (!options.ignoreEval && node.callee.type === Syntax.Identifier && node.callee.name === 'eval') {
-                        currentScope.variableScope.__detectEval();
-                    }
-                    break;
-
-                case Syntax.CatchClause:
-                    currentScope.__define(node.param, {
-                        type: Variable.CatchClause,
-                        name: node.param,
-                        node: node
-                    });
-                    break;
-
-                case Syntax.ConditionalExpression:
-                    currentScope.__referencing(node.test);
-                    currentScope.__referencing(node.consequent);
-                    currentScope.__referencing(node.alternate);
-                    break;
-
-                case Syntax.ContinueStatement:
-                    break;
-
-                case Syntax.DirectiveStatement:
-                    break;
-
-                case Syntax.DoWhileStatement:
-                    currentScope.__referencing(node.test);
-                    break;
-
-                case Syntax.DebuggerStatement:
-                    break;
-
-                case Syntax.EmptyStatement:
-                    break;
-
-                case Syntax.ExpressionStatement:
-                    currentScope.__referencing(node.expression);
-                    break;
-
-                case Syntax.ForStatement:
-                    currentScope.__referencing(node.init);
-                    currentScope.__referencing(node.test);
-                    currentScope.__referencing(node.update);
-                    break;
-
-                case Syntax.ForInStatement:
-                    if (node.left.type === Syntax.VariableDeclaration) {
-                        currentScope.__referencing(node.left.declarations[0].id, Reference.WRITE, null, false);
-                    } else {
-                        currentScope.__referencing(node.left, Reference.WRITE, null, (!currentScope.isStrict && node.left.name != null) && node);
-                    }
-                    currentScope.__referencing(node.right);
-                    break;
-
-                case Syntax.FunctionDeclaration:
-                    // FunctionDeclaration name is defined in upper scope
-                    currentScope.upper.__define(node.id, {
-                        type: Variable.FunctionName,
-                        name: node.id,
-                        node: node
-                    });
-                    for (i = 0, iz = node.params.length; i < iz; ++i) {
-                        currentScope.__define(node.params[i], {
-                            type: Variable.Parameter,
-                            name: node.params[i],
-                            node: node,
-                            index: i
-                        });
-                    }
-                    break;
-
-                case Syntax.FunctionExpression:
-                    // id is defined in upper scope
-                    for (i = 0, iz = node.params.length; i < iz; ++i) {
-                        currentScope.__define(node.params[i], {
-                            type: Variable.Parameter,
-                            name: node.params[i],
-                            node: node,
-                            index: i
-                        });
-                    }
-                    break;
-
-                case Syntax.Identifier:
-                    break;
-
-                case Syntax.IfStatement:
-                    currentScope.__referencing(node.test);
-                    break;
-
-                case Syntax.Literal:
-                    break;
-
-                case Syntax.LabeledStatement:
-                    break;
-
-                case Syntax.LogicalExpression:
-                    currentScope.__referencing(node.left);
-                    currentScope.__referencing(node.right);
-                    break;
-
-                case Syntax.MemberExpression:
-                    currentScope.__referencing(node.object);
-                    if (node.computed) {
-                        currentScope.__referencing(node.property);
-                    }
-                    break;
-
-                case Syntax.NewExpression:
-                    currentScope.__referencing(node.callee);
-                    for (i = 0, iz = node['arguments'].length; i < iz; ++i) {
-                        currentScope.__referencing(node['arguments'][i]);
-                    }
-                    break;
-
-                case Syntax.ObjectExpression:
-                    break;
-
-                case Syntax.Program:
-                    break;
-
-                case Syntax.Property:
-                    currentScope.__referencing(node.value);
-                    break;
-
-                case Syntax.ReturnStatement:
-                    currentScope.__referencing(node.argument);
-                    break;
-
-                case Syntax.SequenceExpression:
-                    for (i = 0, iz = node.expressions.length; i < iz; ++i) {
-                        currentScope.__referencing(node.expressions[i]);
-                    }
-                    break;
-
-                case Syntax.SwitchStatement:
-                    currentScope.__referencing(node.discriminant);
-                    break;
-
-                case Syntax.SwitchCase:
-                    currentScope.__referencing(node.test);
-                    break;
-
-                case Syntax.ThisExpression:
-                    currentScope.variableScope.__detectThis();
-                    break;
-
-                case Syntax.ThrowStatement:
-                    currentScope.__referencing(node.argument);
-                    break;
-
-                case Syntax.TryStatement:
-                    break;
-
-                case Syntax.UnaryExpression:
-                    currentScope.__referencing(node.argument);
-                    break;
-
-                case Syntax.UpdateExpression:
-                    currentScope.__referencing(node.argument, Reference.RW, null);
-                    break;
-
-                case Syntax.VariableDeclaration:
-                    for (i = 0, iz = node.declarations.length; i < iz; ++i) {
-                        decl = node.declarations[i];
-                        currentScope.variableScope.__define(decl.id, {
-                            type: Variable.Variable,
-                            name: decl.id,
-                            node: decl,
-                            index: i,
-                            parent: node
-                        });
-                        if (decl.init) {
-                            // initializer is found
-                            currentScope.__referencing(decl.id, Reference.WRITE, decl.init, false);
-                            currentScope.__referencing(decl.init);
-                        }
-                    }
-                    break;
-
-                case Syntax.VariableDeclarator:
-                    break;
-
-                case Syntax.WhileStatement:
-                    currentScope.__referencing(node.test);
-                    break;
-
-                case Syntax.WithStatement:
-                    // WithStatement object is referenced at upper scope
-                    currentScope.upper.__referencing(node.object);
-                    break;
-                }
-            },
-
-            leave: function leave(node) {
-                while (currentScope && node === currentScope.block) {
-                    currentScope.__close();
-                }
-            }
-        });
-
-        assert(currentScope === null);
-        globalScope = null;
-        scopes = null;
-        options = null;
-
-        return new ScopeManager(resultScopes);
-    }
-
-    /** @name module:escope.version */
-    exports.version = '1.0.1';
-    /** @name module:escope.Reference */
-    exports.Reference = Reference;
-    /** @name module:escope.Variable */
-    exports.Variable = Variable;
-    /** @name module:escope.Scope */
-    exports.Scope = Scope;
-    /** @name module:escope.ScopeManager */
-    exports.ScopeManager = ScopeManager;
-    /** @name module:escope.analyze */
-    exports.analyze = analyze;
-}, this));
-/* vim: set sw=4 ts=4 et tw=80 : */
-
-},{"estraverse":7}],6:[function(require,module,exports){
-/*
-  Copyright (C) 2013 Ariya Hidayat <ariya.hidayat@gmail.com>
-  Copyright (C) 2013 Thaddee Tyl <thaddee.tyl@gmail.com>
-  Copyright (C) 2013 Mathias Bynens <mathias@qiwi.be>
-  Copyright (C) 2012 Ariya Hidayat <ariya.hidayat@gmail.com>
-  Copyright (C) 2012 Mathias Bynens <mathias@qiwi.be>
-  Copyright (C) 2012 Joost-Wim Boekesteijn <joost-wim@boekesteijn.nl>
-  Copyright (C) 2012 Kris Kowal <kris.kowal@cixar.com>
-  Copyright (C) 2012 Yusuke Suzuki <utatane.tea@gmail.com>
-  Copyright (C) 2012 Arpad Borsos <arpad.borsos@googlemail.com>
-  Copyright (C) 2011 Ariya Hidayat <ariya.hidayat@gmail.com>
-
-  Redistribution and use in source and binary forms, with or without
-  modification, are permitted provided that the following conditions are met:
-
-    * Redistributions of source code must retain the above copyright
-      notice, this list of conditions and the following disclaimer.
-    * Redistributions in binary form must reproduce the above copyright
-      notice, this list of conditions and the following disclaimer in the
-      documentation and/or other materials provided with the distribution.
-
-  THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
-  AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
-  IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
-  ARE DISCLAIMED. IN NO EVENT SHALL <COPYRIGHT HOLDER> BE LIABLE FOR ANY
-  DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
-  (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
-  LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
-  ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
-  (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
-  THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
-*/
-
-/*jslint bitwise:true plusplus:true */
-/*global esprima:true, define:true, exports:true, window: true,
-throwErrorTolerant: true,
-throwError: true, generateStatement: true, peek: true,
-parseAssignmentExpression: true, parseBlock: true, parseExpression: true,
-parseFunctionDeclaration: true, parseFunctionExpression: true,
-parseFunctionSourceElements: true, parseVariableIdentifier: true,
-parseLeftHandSideExpression: true,
-parseUnaryExpression: true,
-parseStatement: true, parseSourceElement: true */
-
-(function (root, factory) {
-    'use strict';
-
-    // Universal Module Definition (UMD) to support AMD, CommonJS/Node.js,
-    // Rhino, and plain browser loading.
-
-    /* istanbul ignore next */
-    if (typeof define === 'function' && define.amd) {
-        define(['exports'], factory);
-    } else if (typeof exports !== 'undefined') {
-        factory(exports);
-    } else {
-        factory((root.esprima = {}));
-    }
-}(this, function (exports) {
-    'use strict';
-
-    var Token,
-        TokenName,
-        FnExprTokens,
-        Syntax,
-        PropertyKind,
-        Messages,
-        Regex,
-        SyntaxTreeDelegate,
-        source,
-        strict,
-        index,
-        lineNumber,
-        lineStart,
-        length,
-        delegate,
-        lookahead,
-        state,
-        extra;
-
-    Token = {
-        BooleanLiteral: 1,
-        EOF: 2,
-        Identifier: 3,
-        Keyword: 4,
-        NullLiteral: 5,
-        NumericLiteral: 6,
-        Punctuator: 7,
-        StringLiteral: 8,
-        RegularExpression: 9
-    };
-
-    TokenName = {};
-    TokenName[Token.BooleanLiteral] = 'Boolean';
-    TokenName[Token.EOF] = '<end>';
-    TokenName[Token.Identifier] = 'Identifier';
-    TokenName[Token.Keyword] = 'Keyword';
-    TokenName[Token.NullLiteral] = 'Null';
-    TokenName[Token.NumericLiteral] = 'Numeric';
-    TokenName[Token.Punctuator] = 'Punctuator';
-    TokenName[Token.StringLiteral] = 'String';
-    TokenName[Token.RegularExpression] = 'RegularExpression';
-
-    // A function following one of those tokens is an expression.
-    FnExprTokens = ['(', '{', '[', 'in', 'typeof', 'instanceof', 'new',
-                    'return', 'case', 'delete', 'throw', 'void',
-                    // assignment operators
-                    '=', '+=', '-=', '*=', '/=', '%=', '<<=', '>>=', '>>>=',
-                    '&=', '|=', '^=', ',',
-                    // binary/unary operators
-                    '+', '-', '*', '/', '%', '++', '--', '<<', '>>', '>>>', '&',
-                    '|', '^', '!', '~', '&&', '||', '?', ':', '===', '==', '>=',
-                    '<=', '<', '>', '!=', '!=='];
-
-    Syntax = {
-        AssignmentExpression: 'AssignmentExpression',
-        ArrayExpression: 'ArrayExpression',
-        BlockStatement: 'BlockStatement',
-        BinaryExpression: 'BinaryExpression',
-        BreakStatement: 'BreakStatement',
-        CallExpression: 'CallExpression',
-        CatchClause: 'CatchClause',
-        ConditionalExpression: 'ConditionalExpression',
-        ContinueStatement: 'ContinueStatement',
-        DoWhileStatement: 'DoWhileStatement',
-        DebuggerStatement: 'DebuggerStatement',
-        EmptyStatement: 'EmptyStatement',
-        ExpressionStatement: 'ExpressionStatement',
-        ForStatement: 'ForStatement',
-        ForInStatement: 'ForInStatement',
-        FunctionDeclaration: 'FunctionDeclaration',
-        FunctionExpression: 'FunctionExpression',
-        Identifier: 'Identifier',
-        IfStatement: 'IfStatement',
-        Literal: 'Literal',
-        LabeledStatement: 'LabeledStatement',
-        LogicalExpression: 'LogicalExpression',
-        MemberExpression: 'MemberExpression',
-        NewExpression: 'NewExpression',
-        ObjectExpression: 'ObjectExpression',
-        Program: 'Program',
-        Property: 'Property',
-        ReturnStatement: 'ReturnStatement',
-        SequenceExpression: 'SequenceExpression',
-        SwitchStatement: 'SwitchStatement',
-        SwitchCase: 'SwitchCase',
-        ThisExpression: 'ThisExpression',
-        ThrowStatement: 'ThrowStatement',
-        TryStatement: 'TryStatement',
-        UnaryExpression: 'UnaryExpression',
-        UpdateExpression: 'UpdateExpression',
-        VariableDeclaration: 'VariableDeclaration',
-        VariableDeclarator: 'VariableDeclarator',
-        WhileStatement: 'WhileStatement',
-        WithStatement: 'WithStatement'
-    };
-
-    PropertyKind = {
-        Data: 1,
-        Get: 2,
-        Set: 4
-    };
-
-    // Error messages should be identical to V8.
-    Messages = {
-        UnexpectedToken:  'Unexpected token %0',
-        UnexpectedNumber:  'Unexpected number',
-        UnexpectedString:  'Unexpected string',
-        UnexpectedIdentifier:  'Unexpected identifier',
-        UnexpectedReserved:  'Unexpected reserved word',
-        UnexpectedEOS:  'Unexpected end of input',
-        NewlineAfterThrow:  'Illegal newline after throw',
-        InvalidRegExp: 'Invalid regular expression',
-        UnterminatedRegExp:  'Invalid regular expression: missing /',
-        InvalidLHSInAssignment:  'Invalid left-hand side in assignment',
-        InvalidLHSInForIn:  'Invalid left-hand side in for-in',
-        MultipleDefaultsInSwitch: 'More than one default clause in switch statement',
-        NoCatchOrFinally:  'Missing catch or finally after try',
-        UnknownLabel: 'Undefined label \'%0\'',
-        Redeclaration: '%0 \'%1\' has already been declared',
-        IllegalContinue: 'Illegal continue statement',
-        IllegalBreak: 'Illegal break statement',
-        IllegalReturn: 'Illegal return statement',
-        StrictModeWith:  'Strict mode code may not include a with statement',
-        StrictCatchVariable:  'Catch variable may not be eval or arguments in strict mode',
-        StrictVarName:  'Variable name may not be eval or arguments in strict mode',
-        StrictParamName:  'Parameter name eval or arguments is not allowed in strict mode',
-        StrictParamDupe: 'Strict mode function may not have duplicate parameter names',
-        StrictFunctionName:  'Function name may not be eval or arguments in strict mode',
-        StrictOctalLiteral:  'Octal literals are not allowed in strict mode.',
-        StrictDelete:  'Delete of an unqualified identifier in strict mode.',
-        StrictDuplicateProperty:  'Duplicate data property in object literal not allowed in strict mode',
-        AccessorDataProperty:  'Object literal may not have data and accessor property with the same name',
-        AccessorGetSet:  'Object literal may not have multiple get/set accessors with the same name',
-        StrictLHSAssignment:  'Assignment to eval or arguments is not allowed in strict mode',
-        StrictLHSPostfix:  'Postfix increment/decrement may not have eval or arguments operand in strict mode',
-        StrictLHSPrefix:  'Prefix increment/decrement may not have eval or arguments operand in strict mode',
-        StrictReservedWord:  'Use of future reserved word in strict mode'
-    };
-
-    // See also tools/generate-unicode-regex.py.
-    Regex = {
-        NonAsciiIdentifierStart: new RegExp('[\xAA\xB5\xBA\xC0-\xD6\xD8-\xF6\xF8-\u02C1\u02C6-\u02D1\u02E0-\u02E4\u02EC\u02EE\u0370-\u0374\u0376\u0377\u037A-\u037D\u0386\u0388-\u038A\u038C\u038E-\u03A1\u03A3-\u03F5\u03F7-\u0481\u048A-\u0527\u0531-\u0556\u0559\u0561-\u0587\u05D0-\u05EA\u05F0-\u05F2\u0620-\u064A\u066E\u066F\u0671-\u06D3\u06D5\u06E5\u06E6\u06EE\u06EF\u06FA-\u06FC\u06FF\u0710\u0712-\u072F\u074D-\u07A5\u07B1\u07CA-\u07EA\u07F4\u07F5\u07FA\u0800-\u0815\u081A\u0824\u0828\u0840-\u0858\u08A0\u08A2-\u08AC\u0904-\u0939\u093D\u0950\u0958-\u0961\u0971-\u0977\u0979-\u097F\u0985-\u098C\u098F\u0990\u0993-\u09A8\u09AA-\u09B0\u09B2\u09B6-\u09B9\u09BD\u09CE\u09DC\u09DD\u09DF-\u09E1\u09F0\u09F1\u0A05-\u0A0A\u0A0F\u0A10\u0A13-\u0A28\u0A2A-\u0A30\u0A32\u0A33\u0A35\u0A36\u0A38\u0A39\u0A59-\u0A5C\u0A5E\u0A72-\u0A74\u0A85-\u0A8D\u0A8F-\u0A91\u0A93-\u0AA8\u0AAA-\u0AB0\u0AB2\u0AB3\u0AB5-\u0AB9\u0ABD\u0AD0\u0AE0\u0AE1\u0B05-\u0B0C\u0B0F\u0B10\u0B13-\u0B28\u0B2A-\u0B30\u0B32\u0B33\u0B35-\u0B39\u0B3D\u0B5C\u0B5D\u0B5F-\u0B61\u0B71\u0B83\u0B85-\u0B8A\u0B8E-\u0B90\u0B92-\u0B95\u0B99\u0B9A\u0B9C\u0B9E\u0B9F\u0BA3\u0BA4\u0BA8-\u0BAA\u0BAE-\u0BB9\u0BD0\u0C05-\u0C0C\u0C0E-\u0C10\u0C12-\u0C28\u0C2A-\u0C33\u0C35-\u0C39\u0C3D\u0C58\u0C59\u0C60\u0C61\u0C85-\u0C8C\u0C8E-\u0C90\u0C92-\u0CA8\u0CAA-\u0CB3\u0CB5-\u0CB9\u0CBD\u0CDE\u0CE0\u0CE1\u0CF1\u0CF2\u0D05-\u0D0C\u0D0E-\u0D10\u0D12-\u0D3A\u0D3D\u0D4E\u0D60\u0D61\u0D7A-\u0D7F\u0D85-\u0D96\u0D9A-\u0DB1\u0DB3-\u0DBB\u0DBD\u0DC0-\u0DC6\u0E01-\u0E30\u0E32\u0E33\u0E40-\u0E46\u0E81\u0E82\u0E84\u0E87\u0E88\u0E8A\u0E8D\u0E94-\u0E97\u0E99-\u0E9F\u0EA1-\u0EA3\u0EA5\u0EA7\u0EAA\u0EAB\u0EAD-\u0EB0\u0EB2\u0EB3\u0EBD\u0EC0-\u0EC4\u0EC6\u0EDC-\u0EDF\u0F00\u0F40-\u0F47\u0F49-\u0F6C\u0F88-\u0F8C\u1000-\u102A\u103F\u1050-\u1055\u105A-\u105D\u1061\u1065\u1066\u106E-\u1070\u1075-\u1081\u108E\u10A0-\u10C5\u10C7\u10CD\u10D0-\u10FA\u10FC-\u1248\u124A-\u124D\u1250-\u1256\u1258\u125A-\u125D\u1260-\u1288\u128A-\u128D\u1290-\u12B0\u12B2-\u12B5\u12B8-\u12BE\u12C0\u12C2-\u12C5\u12C8-\u12D6\u12D8-\u1310\u1312-\u1315\u1318-\u135A\u1380-\u138F\u13A0-\u13F4\u1401-\u166C\u166F-\u167F\u1681-\u169A\u16A0-\u16EA\u16EE-\u16F0\u1700-\u170C\u170E-\u1711\u1720-\u1731\u1740-\u1751\u1760-\u176C\u176E-\u1770\u1780-\u17B3\u17D7\u17DC\u1820-\u1877\u1880-\u18A8\u18AA\u18B0-\u18F5\u1900-\u191C\u1950-\u196D\u1970-\u1974\u1980-\u19AB\u19C1-\u19C7\u1A00-\u1A16\u1A20-\u1A54\u1AA7\u1B05-\u1B33\u1B45-\u1B4B\u1B83-\u1BA0\u1BAE\u1BAF\u1BBA-\u1BE5\u1C00-\u1C23\u1C4D-\u1C4F\u1C5A-\u1C7D\u1CE9-\u1CEC\u1CEE-\u1CF1\u1CF5\u1CF6\u1D00-\u1DBF\u1E00-\u1F15\u1F18-\u1F1D\u1F20-\u1F45\u1F48-\u1F4D\u1F50-\u1F57\u1F59\u1F5B\u1F5D\u1F5F-\u1F7D\u1F80-\u1FB4\u1FB6-\u1FBC\u1FBE\u1FC2-\u1FC4\u1FC6-\u1FCC\u1FD0-\u1FD3\u1FD6-\u1FDB\u1FE0-\u1FEC\u1FF2-\u1FF4\u1FF6-\u1FFC\u2071\u207F\u2090-\u209C\u2102\u2107\u210A-\u2113\u2115\u2119-\u211D\u2124\u2126\u2128\u212A-\u212D\u212F-\u2139\u213C-\u213F\u2145-\u2149\u214E\u2160-\u2188\u2C00-\u2C2E\u2C30-\u2C5E\u2C60-\u2CE4\u2CEB-\u2CEE\u2CF2\u2CF3\u2D00-\u2D25\u2D27\u2D2D\u2D30-\u2D67\u2D6F\u2D80-\u2D96\u2DA0-\u2DA6\u2DA8-\u2DAE\u2DB0-\u2DB6\u2DB8-\u2DBE\u2DC0-\u2DC6\u2DC8-\u2DCE\u2DD0-\u2DD6\u2DD8-\u2DDE\u2E2F\u3005-\u3007\u3021-\u3029\u3031-\u3035\u3038-\u303C\u3041-\u3096\u309D-\u309F\u30A1-\u30FA\u30FC-\u30FF\u3105-\u312D\u3131-\u318E\u31A0-\u31BA\u31F0-\u31FF\u3400-\u4DB5\u4E00-\u9FCC\uA000-\uA48C\uA4D0-\uA4FD\uA500-\uA60C\uA610-\uA61F\uA62A\uA62B\uA640-\uA66E\uA67F-\uA697\uA6A0-\uA6EF\uA717-\uA71F\uA722-\uA788\uA78B-\uA78E\uA790-\uA793\uA7A0-\uA7AA\uA7F8-\uA801\uA803-\uA805\uA807-\uA80A\uA80C-\uA822\uA840-\uA873\uA882-\uA8B3\uA8F2-\uA8F7\uA8FB\uA90A-\uA925\uA930-\uA946\uA960-\uA97C\uA984-\uA9B2\uA9CF\uAA00-\uAA28\uAA40-\uAA42\uAA44-\uAA4B\uAA60-\uAA76\uAA7A\uAA80-\uAAAF\uAAB1\uAAB5\uAAB6\uAAB9-\uAABD\uAAC0\uAAC2\uAADB-\uAADD\uAAE0-\uAAEA\uAAF2-\uAAF4\uAB01-\uAB06\uAB09-\uAB0E\uAB11-\uAB16\uAB20-\uAB26\uAB28-\uAB2E\uABC0-\uABE2\uAC00-\uD7A3\uD7B0-\uD7C6\uD7CB-\uD7FB\uF900-\uFA6D\uFA70-\uFAD9\uFB00-\uFB06\uFB13-\uFB17\uFB1D\uFB1F-\uFB28\uFB2A-\uFB36\uFB38-\uFB3C\uFB3E\uFB40\uFB41\uFB43\uFB44\uFB46-\uFBB1\uFBD3-\uFD3D\uFD50-\uFD8F\uFD92-\uFDC7\uFDF0-\uFDFB\uFE70-\uFE74\uFE76-\uFEFC\uFF21-\uFF3A\uFF41-\uFF5A\uFF66-\uFFBE\uFFC2-\uFFC7\uFFCA-\uFFCF\uFFD2-\uFFD7\uFFDA-\uFFDC]'),
-        NonAsciiIdentifierPart: new RegExp('[\xAA\xB5\xBA\xC0-\xD6\xD8-\xF6\xF8-\u02C1\u02C6-\u02D1\u02E0-\u02E4\u02EC\u02EE\u0300-\u0374\u0376\u0377\u037A-\u037D\u0386\u0388-\u038A\u038C\u038E-\u03A1\u03A3-\u03F5\u03F7-\u0481\u0483-\u0487\u048A-\u0527\u0531-\u0556\u0559\u0561-\u0587\u0591-\u05BD\u05BF\u05C1\u05C2\u05C4\u05C5\u05C7\u05D0-\u05EA\u05F0-\u05F2\u0610-\u061A\u0620-\u0669\u066E-\u06D3\u06D5-\u06DC\u06DF-\u06E8\u06EA-\u06FC\u06FF\u0710-\u074A\u074D-\u07B1\u07C0-\u07F5\u07FA\u0800-\u082D\u0840-\u085B\u08A0\u08A2-\u08AC\u08E4-\u08FE\u0900-\u0963\u0966-\u096F\u0971-\u0977\u0979-\u097F\u0981-\u0983\u0985-\u098C\u098F\u0990\u0993-\u09A8\u09AA-\u09B0\u09B2\u09B6-\u09B9\u09BC-\u09C4\u09C7\u09C8\u09CB-\u09CE\u09D7\u09DC\u09DD\u09DF-\u09E3\u09E6-\u09F1\u0A01-\u0A03\u0A05-\u0A0A\u0A0F\u0A10\u0A13-\u0A28\u0A2A-\u0A30\u0A32\u0A33\u0A35\u0A36\u0A38\u0A39\u0A3C\u0A3E-\u0A42\u0A47\u0A48\u0A4B-\u0A4D\u0A51\u0A59-\u0A5C\u0A5E\u0A66-\u0A75\u0A81-\u0A83\u0A85-\u0A8D\u0A8F-\u0A91\u0A93-\u0AA8\u0AAA-\u0AB0\u0AB2\u0AB3\u0AB5-\u0AB9\u0ABC-\u0AC5\u0AC7-\u0AC9\u0ACB-\u0ACD\u0AD0\u0AE0-\u0AE3\u0AE6-\u0AEF\u0B01-\u0B03\u0B05-\u0B0C\u0B0F\u0B10\u0B13-\u0B28\u0B2A-\u0B30\u0B32\u0B33\u0B35-\u0B39\u0B3C-\u0B44\u0B47\u0B48\u0B4B-\u0B4D\u0B56\u0B57\u0B5C\u0B5D\u0B5F-\u0B63\u0B66-\u0B6F\u0B71\u0B82\u0B83\u0B85-\u0B8A\u0B8E-\u0B90\u0B92-\u0B95\u0B99\u0B9A\u0B9C\u0B9E\u0B9F\u0BA3\u0BA4\u0BA8-\u0BAA\u0BAE-\u0BB9\u0BBE-\u0BC2\u0BC6-\u0BC8\u0BCA-\u0BCD\u0BD0\u0BD7\u0BE6-\u0BEF\u0C01-\u0C03\u0C05-\u0C0C\u0C0E-\u0C10\u0C12-\u0C28\u0C2A-\u0C33\u0C35-\u0C39\u0C3D-\u0C44\u0C46-\u0C48\u0C4A-\u0C4D\u0C55\u0C56\u0C58\u0C59\u0C60-\u0C63\u0C66-\u0C6F\u0C82\u0C83\u0C85-\u0C8C\u0C8E-\u0C90\u0C92-\u0CA8\u0CAA-\u0CB3\u0CB5-\u0CB9\u0CBC-\u0CC4\u0CC6-\u0CC8\u0CCA-\u0CCD\u0CD5\u0CD6\u0CDE\u0CE0-\u0CE3\u0CE6-\u0CEF\u0CF1\u0CF2\u0D02\u0D03\u0D05-\u0D0C\u0D0E-\u0D10\u0D12-\u0D3A\u0D3D-\u0D44\u0D46-\u0D48\u0D4A-\u0D4E\u0D57\u0D60-\u0D63\u0D66-\u0D6F\u0D7A-\u0D7F\u0D82\u0D83\u0D85-\u0D96\u0D9A-\u0DB1\u0DB3-\u0DBB\u0DBD\u0DC0-\u0DC6\u0DCA\u0DCF-\u0DD4\u0DD6\u0DD8-\u0DDF\u0DF2\u0DF3\u0E01-\u0E3A\u0E40-\u0E4E\u0E50-\u0E59\u0E81\u0E82\u0E84\u0E87\u0E88\u0E8A\u0E8D\u0E94-\u0E97\u0E99-\u0E9F\u0EA1-\u0EA3\u0EA5\u0EA7\u0EAA\u0EAB\u0EAD-\u0EB9\u0EBB-\u0EBD\u0EC0-\u0EC4\u0EC6\u0EC8-\u0ECD\u0ED0-\u0ED9\u0EDC-\u0EDF\u0F00\u0F18\u0F19\u0F20-\u0F29\u0F35\u0F37\u0F39\u0F3E-\u0F47\u0F49-\u0F6C\u0F71-\u0F84\u0F86-\u0F97\u0F99-\u0FBC\u0FC6\u1000-\u1049\u1050-\u109D\u10A0-\u10C5\u10C7\u10CD\u10D0-\u10FA\u10FC-\u1248\u124A-\u124D\u1250-\u1256\u1258\u125A-\u125D\u1260-\u1288\u128A-\u128D\u1290-\u12B0\u12B2-\u12B5\u12B8-\u12BE\u12C0\u12C2-\u12C5\u12C8-\u12D6\u12D8-\u1310\u1312-\u1315\u1318-\u135A\u135D-\u135F\u1380-\u138F\u13A0-\u13F4\u1401-\u166C\u166F-\u167F\u1681-\u169A\u16A0-\u16EA\u16EE-\u16F0\u1700-\u170C\u170E-\u1714\u1720-\u1734\u1740-\u1753\u1760-\u176C\u176E-\u1770\u1772\u1773\u1780-\u17D3\u17D7\u17DC\u17DD\u17E0-\u17E9\u180B-\u180D\u1810-\u1819\u1820-\u1877\u1880-\u18AA\u18B0-\u18F5\u1900-\u191C\u1920-\u192B\u1930-\u193B\u1946-\u196D\u1970-\u1974\u1980-\u19AB\u19B0-\u19C9\u19D0-\u19D9\u1A00-\u1A1B\u1A20-\u1A5E\u1A60-\u1A7C\u1A7F-\u1A89\u1A90-\u1A99\u1AA7\u1B00-\u1B4B\u1B50-\u1B59\u1B6B-\u1B73\u1B80-\u1BF3\u1C00-\u1C37\u1C40-\u1C49\u1C4D-\u1C7D\u1CD0-\u1CD2\u1CD4-\u1CF6\u1D00-\u1DE6\u1DFC-\u1F15\u1F18-\u1F1D\u1F20-\u1F45\u1F48-\u1F4D\u1F50-\u1F57\u1F59\u1F5B\u1F5D\u1F5F-\u1F7D\u1F80-\u1FB4\u1FB6-\u1FBC\u1FBE\u1FC2-\u1FC4\u1FC6-\u1FCC\u1FD0-\u1FD3\u1FD6-\u1FDB\u1FE0-\u1FEC\u1FF2-\u1FF4\u1FF6-\u1FFC\u200C\u200D\u203F\u2040\u2054\u2071\u207F\u2090-\u209C\u20D0-\u20DC\u20E1\u20E5-\u20F0\u2102\u2107\u210A-\u2113\u2115\u2119-\u211D\u2124\u2126\u2128\u212A-\u212D\u212F-\u2139\u213C-\u213F\u2145-\u2149\u214E\u2160-\u2188\u2C00-\u2C2E\u2C30-\u2C5E\u2C60-\u2CE4\u2CEB-\u2CF3\u2D00-\u2D25\u2D27\u2D2D\u2D30-\u2D67\u2D6F\u2D7F-\u2D96\u2DA0-\u2DA6\u2DA8-\u2DAE\u2DB0-\u2DB6\u2DB8-\u2DBE\u2DC0-\u2DC6\u2DC8-\u2DCE\u2DD0-\u2DD6\u2DD8-\u2DDE\u2DE0-\u2DFF\u2E2F\u3005-\u3007\u3021-\u302F\u3031-\u3035\u3038-\u303C\u3041-\u3096\u3099\u309A\u309D-\u309F\u30A1-\u30FA\u30FC-\u30FF\u3105-\u312D\u3131-\u318E\u31A0-\u31BA\u31F0-\u31FF\u3400-\u4DB5\u4E00-\u9FCC\uA000-\uA48C\uA4D0-\uA4FD\uA500-\uA60C\uA610-\uA62B\uA640-\uA66F\uA674-\uA67D\uA67F-\uA697\uA69F-\uA6F1\uA717-\uA71F\uA722-\uA788\uA78B-\uA78E\uA790-\uA793\uA7A0-\uA7AA\uA7F8-\uA827\uA840-\uA873\uA880-\uA8C4\uA8D0-\uA8D9\uA8E0-\uA8F7\uA8FB\uA900-\uA92D\uA930-\uA953\uA960-\uA97C\uA980-\uA9C0\uA9CF-\uA9D9\uAA00-\uAA36\uAA40-\uAA4D\uAA50-\uAA59\uAA60-\uAA76\uAA7A\uAA7B\uAA80-\uAAC2\uAADB-\uAADD\uAAE0-\uAAEF\uAAF2-\uAAF6\uAB01-\uAB06\uAB09-\uAB0E\uAB11-\uAB16\uAB20-\uAB26\uAB28-\uAB2E\uABC0-\uABEA\uABEC\uABED\uABF0-\uABF9\uAC00-\uD7A3\uD7B0-\uD7C6\uD7CB-\uD7FB\uF900-\uFA6D\uFA70-\uFAD9\uFB00-\uFB06\uFB13-\uFB17\uFB1D-\uFB28\uFB2A-\uFB36\uFB38-\uFB3C\uFB3E\uFB40\uFB41\uFB43\uFB44\uFB46-\uFBB1\uFBD3-\uFD3D\uFD50-\uFD8F\uFD92-\uFDC7\uFDF0-\uFDFB\uFE00-\uFE0F\uFE20-\uFE26\uFE33\uFE34\uFE4D-\uFE4F\uFE70-\uFE74\uFE76-\uFEFC\uFF10-\uFF19\uFF21-\uFF3A\uFF3F\uFF41-\uFF5A\uFF66-\uFFBE\uFFC2-\uFFC7\uFFCA-\uFFCF\uFFD2-\uFFD7\uFFDA-\uFFDC]')
-    };
-
-    // Ensure the condition is true, otherwise throw an error.
-    // This is only to have a better contract semantic, i.e. another safety net
-    // to catch a logic error. The condition shall be fulfilled in normal case.
-    // Do NOT use this to enforce a certain condition on any user input.
-
-    function assert(condition, message) {
-        /* istanbul ignore if */
-        if (!condition) {
-            throw new Error('ASSERT: ' + message);
-        }
-    }
-
-    function isDecimalDigit(ch) {
-        return (ch >= 48 && ch <= 57);   // 0..9
-    }
-
-    function isHexDigit(ch) {
-        return '0123456789abcdefABCDEF'.indexOf(ch) >= 0;
-    }
-
-    function isOctalDigit(ch) {
-        return '01234567'.indexOf(ch) >= 0;
-    }
-
-
-    // 7.2 White Space
-
-    function isWhiteSpace(ch) {
-        return (ch === 0x20) || (ch === 0x09) || (ch === 0x0B) || (ch === 0x0C) || (ch === 0xA0) ||
-            (ch >= 0x1680 && [0x1680, 0x180E, 0x2000, 0x2001, 0x2002, 0x2003, 0x2004, 0x2005, 0x2006, 0x2007, 0x2008, 0x2009, 0x200A, 0x202F, 0x205F, 0x3000, 0xFEFF].indexOf(ch) >= 0);
-    }
-
-    // 7.3 Line Terminators
-
-    function isLineTerminator(ch) {
-        return (ch === 0x0A) || (ch === 0x0D) || (ch === 0x2028) || (ch === 0x2029);
-    }
-
-    // 7.6 Identifier Names and Identifiers
-
-    function isIdentifierStart(ch) {
-        return (ch === 0x24) || (ch === 0x5F) ||  // $ (dollar) and _ (underscore)
-            (ch >= 0x41 && ch <= 0x5A) ||         // A..Z
-            (ch >= 0x61 && ch <= 0x7A) ||         // a..z
-            (ch === 0x5C) ||                      // \ (backslash)
-            ((ch >= 0x80) && Regex.NonAsciiIdentifierStart.test(String.fromCharCode(ch)));
-    }
-
-    function isIdentifierPart(ch) {
-        return (ch === 0x24) || (ch === 0x5F) ||  // $ (dollar) and _ (underscore)
-            (ch >= 0x41 && ch <= 0x5A) ||         // A..Z
-            (ch >= 0x61 && ch <= 0x7A) ||         // a..z
-            (ch >= 0x30 && ch <= 0x39) ||         // 0..9
-            (ch === 0x5C) ||                      // \ (backslash)
-            ((ch >= 0x80) && Regex.NonAsciiIdentifierPart.test(String.fromCharCode(ch)));
-    }
-
-    // 7.6.1.2 Future Reserved Words
-
-    function isFutureReservedWord(id) {
-        switch (id) {
-        case 'class':
-        case 'enum':
-        case 'export':
-        case 'extends':
-        case 'import':
-        case 'super':
-            return true;
-        default:
-            return false;
-        }
-    }
-
-    function isStrictModeReservedWord(id) {
-        switch (id) {
-        case 'implements':
-        case 'interface':
-        case 'package':
-        case 'private':
-        case 'protected':
-        case 'public':
-        case 'static':
-        case 'yield':
-        case 'let':
-            return true;
-        default:
-            return false;
-        }
-    }
-
-    function isRestrictedWord(id) {
-        return id === 'eval' || id === 'arguments';
-    }
-
-    // 7.6.1.1 Keywords
-
-    function isKeyword(id) {
-        if (strict && isStrictModeReservedWord(id)) {
-            return true;
-        }
-
-        // 'const' is specialized as Keyword in V8.
-        // 'yield' and 'let' are for compatiblity with SpiderMonkey and ES.next.
-        // Some others are from future reserved words.
-
-        switch (id.length) {
-        case 2:
-            return (id === 'if') || (id === 'in') || (id === 'do');
-        case 3:
-            return (id === 'var') || (id === 'for') || (id === 'new') ||
-                (id === 'try') || (id === 'let');
-        case 4:
-            return (id === 'this') || (id === 'else') || (id === 'case') ||
-                (id === 'void') || (id === 'with') || (id === 'enum');
-        case 5:
-            return (id === 'while') || (id === 'break') || (id === 'catch') ||
-                (id === 'throw') || (id === 'const') || (id === 'yield') ||
-                (id === 'class') || (id === 'super');
-        case 6:
-            return (id === 'return') || (id === 'typeof') || (id === 'delete') ||
-                (id === 'switch') || (id === 'export') || (id === 'import');
-        case 7:
-            return (id === 'default') || (id === 'finally') || (id === 'extends');
-        case 8:
-            return (id === 'function') || (id === 'continue') || (id === 'debugger');
-        case 10:
-            return (id === 'instanceof');
-        default:
-            return false;
-        }
-    }
-
-    // 7.4 Comments
-
-    function addComment(type, value, start, end, loc) {
-        var comment, attacher;
-
-        assert(typeof start === 'number', 'Comment must have valid position');
-
-        // Because the way the actual token is scanned, often the comments
-        // (if any) are skipped twice during the lexical analysis.
-        // Thus, we need to skip adding a comment if the comment array already
-        // handled it.
-        if (state.lastCommentStart >= start) {
-            return;
-        }
-        state.lastCommentStart = start;
-
-        comment = {
-            type: type,
-            value: value
-        };
-        if (extra.range) {
-            comment.range = [start, end];
-        }
-        if (extra.loc) {
-            comment.loc = loc;
-        }
-        extra.comments.push(comment);
-        if (extra.attachComment) {
-            extra.leadingComments.push(comment);
-            extra.trailingComments.push(comment);
-        }
-    }
-
-    function skipSingleLineComment(offset) {
-        var start, loc, ch, comment;
-
-        start = index - offset;
-        loc = {
-            start: {
-                line: lineNumber,
-                column: index - lineStart - offset
-            }
-        };
-
-        while (index < length) {
-            ch = source.charCodeAt(index);
-            ++index;
-            if (isLineTerminator(ch)) {
-                if (extra.comments) {
-                    comment = source.slice(start + offset, index - 1);
-                    loc.end = {
-                        line: lineNumber,
-                        column: index - lineStart - 1
-                    };
-                    addComment('Line', comment, start, index - 1, loc);
-                }
-                if (ch === 13 && source.charCodeAt(index) === 10) {
-                    ++index;
-                }
-                ++lineNumber;
-                lineStart = index;
-                return;
-            }
-        }
-
-        if (extra.comments) {
-            comment = source.slice(start + offset, index);
-            loc.end = {
-                line: lineNumber,
-                column: index - lineStart
-            };
-            addComment('Line', comment, start, index, loc);
-        }
-    }
-
-    function skipMultiLineComment() {
-        var start, loc, ch, comment;
-
-        if (extra.comments) {
-            start = index - 2;
-            loc = {
-                start: {
-                    line: lineNumber,
-                    column: index - lineStart - 2
-                }
-            };
-        }
-
-        while (index < length) {
-            ch = source.charCodeAt(index);
-            if (isLineTerminator(ch)) {
-                if (ch === 0x0D && source.charCodeAt(index + 1) === 0x0A) {
-                    ++index;
-                }
-                ++lineNumber;
-                ++index;
-                lineStart = index;
-                if (index >= length) {
-                    throwError({}, Messages.UnexpectedToken, 'ILLEGAL');
-                }
-            } else if (ch === 0x2A) {
-                // Block comment ends with '*/'.
-                if (source.charCodeAt(index + 1) === 0x2F) {
-                    ++index;
-                    ++index;
-                    if (extra.comments) {
-                        comment = source.slice(start + 2, index - 2);
-                        loc.end = {
-                            line: lineNumber,
-                            column: index - lineStart
-                        };
-                        addComment('Block', comment, start, index, loc);
-                    }
-                    return;
-                }
-                ++index;
-            } else {
-                ++index;
-            }
-        }
-
-        throwError({}, Messages.UnexpectedToken, 'ILLEGAL');
-    }
-
-    function skipComment() {
-        var ch, start;
-
-        start = (index === 0);
-        while (index < length) {
-            ch = source.charCodeAt(index);
-
-            if (isWhiteSpace(ch)) {
-                ++index;
-            } else if (isLineTerminator(ch)) {
-                ++index;
-                if (ch === 0x0D && source.charCodeAt(index) === 0x0A) {
-                    ++index;
-                }
-                ++lineNumber;
-                lineStart = index;
-                start = true;
-            } else if (ch === 0x2F) { // U+002F is '/'
-                ch = source.charCodeAt(index + 1);
-                if (ch === 0x2F) {
-                    ++index;
-                    ++index;
-                    skipSingleLineComment(2);
-                    start = true;
-                } else if (ch === 0x2A) {  // U+002A is '*'
-                    ++index;
-                    ++index;
-                    skipMultiLineComment();
-                } else {
-                    break;
-                }
-            } else if (start && ch === 0x2D) { // U+002D is '-'
-                // U+003E is '>'
-                if ((source.charCodeAt(index + 1) === 0x2D) && (source.charCodeAt(index + 2) === 0x3E)) {
-                    // '-->' is a single-line comment
-                    index += 3;
-                    skipSingleLineComment(3);
-                } else {
-                    break;
-                }
-            } else if (ch === 0x3C) { // U+003C is '<'
-                if (source.slice(index + 1, index + 4) === '!--') {
-                    ++index; // `<`
-                    ++index; // `!`
-                    ++index; // `-`
-                    ++index; // `-`
-                    skipSingleLineComment(4);
-                } else {
-                    break;
-                }
-            } else {
-                break;
-            }
-        }
-    }
-
-    function scanHexEscape(prefix) {
-        var i, len, ch, code = 0;
-
-        len = (prefix === 'u') ? 4 : 2;
-        for (i = 0; i < len; ++i) {
-            if (index < length && isHexDigit(source[index])) {
-                ch = source[index++];
-                code = code * 16 + '0123456789abcdef'.indexOf(ch.toLowerCase());
-            } else {
-                return '';
-            }
-        }
-        return String.fromCharCode(code);
-    }
-
-    function getEscapedIdentifier() {
-        var ch, id;
-
-        ch = source.charCodeAt(index++);
-        id = String.fromCharCode(ch);
-
-        // '\u' (U+005C, U+0075) denotes an escaped character.
-        if (ch === 0x5C) {
-            if (source.charCodeAt(index) !== 0x75) {
-                throwError({}, Messages.UnexpectedToken, 'ILLEGAL');
-            }
-            ++index;
-            ch = scanHexEscape('u');
-            if (!ch || ch === '\\' || !isIdentifierStart(ch.charCodeAt(0))) {
-                throwError({}, Messages.UnexpectedToken, 'ILLEGAL');
-            }
-            id = ch;
-        }
-
-        while (index < length) {
-            ch = source.charCodeAt(index);
-            if (!isIdentifierPart(ch)) {
-                break;
-            }
-            ++index;
-            id += String.fromCharCode(ch);
-
-            // '\u' (U+005C, U+0075) denotes an escaped character.
-            if (ch === 0x5C) {
-                id = id.substr(0, id.length - 1);
-                if (source.charCodeAt(index) !== 0x75) {
-                    throwError({}, Messages.UnexpectedToken, 'ILLEGAL');
-                }
-                ++index;
-                ch = scanHexEscape('u');
-                if (!ch || ch === '\\' || !isIdentifierPart(ch.charCodeAt(0))) {
-                    throwError({}, Messages.UnexpectedToken, 'ILLEGAL');
-                }
-                id += ch;
-            }
-        }
-
-        return id;
-    }
-
-    function getIdentifier() {
-        var start, ch;
-
-        start = index++;
-        while (index < length) {
-            ch = source.charCodeAt(index);
-            if (ch === 0x5C) {
-                // Blackslash (U+005C) marks Unicode escape sequence.
-                index = start;
-                return getEscapedIdentifier();
-            }
-            if (isIdentifierPart(ch)) {
-                ++index;
-            } else {
-                break;
-            }
-        }
-
-        return source.slice(start, index);
-    }
-
-    function scanIdentifier() {
-        var start, id, type;
-
-        start = index;
-
-        // Backslash (U+005C) starts an escaped character.
-        id = (source.charCodeAt(index) === 0x5C) ? getEscapedIdentifier() : getIdentifier();
-
-        // There is no keyword or literal with only one character.
-        // Thus, it must be an identifier.
-        if (id.length === 1) {
-            type = Token.Identifier;
-        } else if (isKeyword(id)) {
-            type = Token.Keyword;
-        } else if (id === 'null') {
-            type = Token.NullLiteral;
-        } else if (id === 'true' || id === 'false') {
-            type = Token.BooleanLiteral;
-        } else {
-            type = Token.Identifier;
-        }
-
-        return {
-            type: type,
-            value: id,
-            lineNumber: lineNumber,
-            lineStart: lineStart,
-            start: start,
-            end: index
-        };
-    }
-
-
-    // 7.7 Punctuators
-
-    function scanPunctuator() {
-        var start = index,
-            code = source.charCodeAt(index),
-            code2,
-            ch1 = source[index],
-            ch2,
-            ch3,
-            ch4;
-
-        switch (code) {
-
-        // Check for most common single-character punctuators.
-        case 0x2E:  // . dot
-        case 0x28:  // ( open bracket
-        case 0x29:  // ) close bracket
-        case 0x3B:  // ; semicolon
-        case 0x2C:  // , comma
-        case 0x7B:  // { open curly brace
-        case 0x7D:  // } close curly brace
-        case 0x5B:  // [
-        case 0x5D:  // ]
-        case 0x3A:  // :
-        case 0x3F:  // ?
-        case 0x7E:  // ~
-            ++index;
-            if (extra.tokenize) {
-                if (code === 0x28) {
-                    extra.openParenToken = extra.tokens.length;
-                } else if (code === 0x7B) {
-                    extra.openCurlyToken = extra.tokens.length;
-                }
-            }
-            return {
-                type: Token.Punctuator,
-                value: String.fromCharCode(code),
-                lineNumber: lineNumber,
-                lineStart: lineStart,
-                start: start,
-                end: index
-            };
-
-        default:
-            code2 = source.charCodeAt(index + 1);
-
-            // '=' (U+003D) marks an assignment or comparison operator.
-            if (code2 === 0x3D) {
-                switch (code) {
-                case 0x2B:  // +
-                case 0x2D:  // -
-                case 0x2F:  // /
-                case 0x3C:  // <
-                case 0x3E:  // >
-                case 0x5E:  // ^
-                case 0x7C:  // |
-                case 0x25:  // %
-                case 0x26:  // &
-                case 0x2A:  // *
-                    index += 2;
-                    return {
-                        type: Token.Punctuator,
-                        value: String.fromCharCode(code) + String.fromCharCode(code2),
-                        lineNumber: lineNumber,
-                        lineStart: lineStart,
-                        start: start,
-                        end: index
-                    };
-
-                case 0x21: // !
-                case 0x3D: // =
-                    index += 2;
-
-                    // !== and ===
-                    if (source.charCodeAt(index) === 0x3D) {
-                        ++index;
-                    }
-                    return {
-                        type: Token.Punctuator,
-                        value: source.slice(start, index),
-                        lineNumber: lineNumber,
-                        lineStart: lineStart,
-                        start: start,
-                        end: index
-                    };
-                }
-            }
-        }
-
-        // 4-character punctuator: >>>=
-
-        ch4 = source.substr(index, 4);
-
-        if (ch4 === '>>>=') {
-            index += 4;
-            return {
-                type: Token.Punctuator,
-                value: ch4,
-                lineNumber: lineNumber,
-                lineStart: lineStart,
-                start: start,
-                end: index
-            };
-        }
-
-        // 3-character punctuators: === !== >>> <<= >>=
-
-        ch3 = ch4.substr(0, 3);
-
-        if (ch3 === '>>>' || ch3 === '<<=' || ch3 === '>>=') {
-            index += 3;
-            return {
-                type: Token.Punctuator,
-                value: ch3,
-                lineNumber: lineNumber,
-                lineStart: lineStart,
-                start: start,
-                end: index
-            };
-        }
-
-        // Other 2-character punctuators: ++ -- << >> && ||
-        ch2 = ch3.substr(0, 2);
-
-        if ((ch1 === ch2[1] && ('+-<>&|'.indexOf(ch1) >= 0)) || ch2 === '=>') {
-            index += 2;
-            return {
-                type: Token.Punctuator,
-                value: ch2,
-                lineNumber: lineNumber,
-                lineStart: lineStart,
-                start: start,
-                end: index
-            };
-        }
-
-        // 1-character punctuators: < > = ! + - * % & | ^ /
-        if ('<>=!+-*%&|^/'.indexOf(ch1) >= 0) {
-            ++index;
-            return {
-                type: Token.Punctuator,
-                value: ch1,
-                lineNumber: lineNumber,
-                lineStart: lineStart,
-                start: start,
-                end: index
-            };
-        }
-
-        throwError({}, Messages.UnexpectedToken, 'ILLEGAL');
-    }
-
-    // 7.8.3 Numeric Literals
-
-    function scanHexLiteral(start) {
-        var number = '';
-
-        while (index < length) {
-            if (!isHexDigit(source[index])) {
-                break;
-            }
-            number += source[index++];
-        }
-
-        if (number.length === 0) {
-            throwError({}, Messages.UnexpectedToken, 'ILLEGAL');
-        }
-
-        if (isIdentifierStart(source.charCodeAt(index))) {
-            throwError({}, Messages.UnexpectedToken, 'ILLEGAL');
-        }
-
-        return {
-            type: Token.NumericLiteral,
-            value: parseInt('0x' + number, 16),
-            lineNumber: lineNumber,
-            lineStart: lineStart,
-            start: start,
-            end: index
-        };
-    }
-
-    function scanOctalLiteral(start) {
-        var number = '0' + source[index++];
-        while (index < length) {
-            if (!isOctalDigit(source[index])) {
-                break;
-            }
-            number += source[index++];
-        }
-
-        if (isIdentifierStart(source.charCodeAt(index)) || isDecimalDigit(source.charCodeAt(index))) {
-            throwError({}, Messages.UnexpectedToken, 'ILLEGAL');
-        }
-
-        return {
-            type: Token.NumericLiteral,
-            value: parseInt(number, 8),
-            octal: true,
-            lineNumber: lineNumber,
-            lineStart: lineStart,
-            start: start,
-            end: index
-        };
-    }
-
-    function scanNumericLiteral() {
-        var number, start, ch;
-
-        ch = source[index];
-        assert(isDecimalDigit(ch.charCodeAt(0)) || (ch === '.'),
-            'Numeric literal must start with a decimal digit or a decimal point');
-
-        start = index;
-        number = '';
-        if (ch !== '.') {
-            number = source[index++];
-            ch = source[index];
-
-            // Hex number starts with '0x'.
-            // Octal number starts with '0'.
-            if (number === '0') {
-                if (ch === 'x' || ch === 'X') {
-                    ++index;
-                    return scanHexLiteral(start);
-                }
-                if (isOctalDigit(ch)) {
-                    return scanOctalLiteral(start);
-                }
-
-                // decimal number starts with '0' such as '09' is illegal.
-                if (ch && isDecimalDigit(ch.charCodeAt(0))) {
-                    throwError({}, Messages.UnexpectedToken, 'ILLEGAL');
-                }
-            }
-
-            while (isDecimalDigit(source.charCodeAt(index))) {
-                number += source[index++];
-            }
-            ch = source[index];
-        }
-
-        if (ch === '.') {
-            number += source[index++];
-            while (isDecimalDigit(source.charCodeAt(index))) {
-                number += source[index++];
-            }
-            ch = source[index];
-        }
-
-        if (ch === 'e' || ch === 'E') {
-            number += source[index++];
-
-            ch = source[index];
-            if (ch === '+' || ch === '-') {
-                number += source[index++];
-            }
-            if (isDecimalDigit(source.charCodeAt(index))) {
-                while (isDecimalDigit(source.charCodeAt(index))) {
-                    number += source[index++];
-                }
-            } else {
-                throwError({}, Messages.UnexpectedToken, 'ILLEGAL');
-            }
-        }
-
-        if (isIdentifierStart(source.charCodeAt(index))) {
-            throwError({}, Messages.UnexpectedToken, 'ILLEGAL');
-        }
-
-        return {
-            type: Token.NumericLiteral,
-            value: parseFloat(number),
-            lineNumber: lineNumber,
-            lineStart: lineStart,
-            start: start,
-            end: index
-        };
-    }
-
-    // 7.8.4 String Literals
-
-    function scanStringLiteral() {
-        var str = '', quote, start, ch, code, unescaped, restore, octal = false, startLineNumber, startLineStart;
-        startLineNumber = lineNumber;
-        startLineStart = lineStart;
-
-        quote = source[index];
-        assert((quote === '\'' || quote === '"'),
-            'String literal must starts with a quote');
-
-        start = index;
-        ++index;
-
-        while (index < length) {
-            ch = source[index++];
-
-            if (ch === quote) {
-                quote = '';
-                break;
-            } else if (ch === '\\') {
-                ch = source[index++];
-                if (!ch || !isLineTerminator(ch.charCodeAt(0))) {
-                    switch (ch) {
-                    case 'u':
-                    case 'x':
-                        restore = index;
-                        unescaped = scanHexEscape(ch);
-                        if (unescaped) {
-                            str += unescaped;
-                        } else {
-                            index = restore;
-                            str += ch;
-                        }
-                        break;
-                    case 'n':
-                        str += '\n';
-                        break;
-                    case 'r':
-                        str += '\r';
-                        break;
-                    case 't':
-                        str += '\t';
-                        break;
-                    case 'b':
-                        str += '\b';
-                        break;
-                    case 'f':
-                        str += '\f';
-                        break;
-                    case 'v':
-                        str += '\x0B';
-                        break;
-
-                    default:
-                        if (isOctalDigit(ch)) {
-                            code = '01234567'.indexOf(ch);
-
-                            // \0 is not octal escape sequence
-                            if (code !== 0) {
-                                octal = true;
-                            }
-
-                            if (index < length && isOctalDigit(source[index])) {
-                                octal = true;
-                                code = code * 8 + '01234567'.indexOf(source[index++]);
-
-                                // 3 digits are only allowed when string starts
-                                // with 0, 1, 2, 3
-                                if ('0123'.indexOf(ch) >= 0 &&
-                                        index < length &&
-                                        isOctalDigit(source[index])) {
-                                    code = code * 8 + '01234567'.indexOf(source[index++]);
-                                }
-                            }
-                            str += String.fromCharCode(code);
-                        } else {
-                            str += ch;
-                        }
-                        break;
-                    }
-                } else {
-                    ++lineNumber;
-                    if (ch ===  '\r' && source[index] === '\n') {
-                        ++index;
-                    }
-                    lineStart = index;
-                }
-            } else if (isLineTerminator(ch.charCodeAt(0))) {
-                break;
-            } else {
-                str += ch;
-            }
-        }
-
-        if (quote !== '') {
-            throwError({}, Messages.UnexpectedToken, 'ILLEGAL');
-        }
-
-        return {
-            type: Token.StringLiteral,
-            value: str,
-            octal: octal,
-            startLineNumber: startLineNumber,
-            startLineStart: startLineStart,
-            lineNumber: lineNumber,
-            lineStart: lineStart,
-            start: start,
-            end: index
-        };
-    }
-
-    function testRegExp(pattern, flags) {
-        var value;
-        try {
-            value = new RegExp(pattern, flags);
-        } catch (e) {
-            throwError({}, Messages.InvalidRegExp);
-        }
-        return value;
-    }
-
-    function scanRegExpBody() {
-        var ch, str, classMarker, terminated, body;
-
-        ch = source[index];
-        assert(ch === '/', 'Regular expression literal must start with a slash');
-        str = source[index++];
-
-        classMarker = false;
-        terminated = false;
-        while (index < length) {
-            ch = source[index++];
-            str += ch;
-            if (ch === '\\') {
-                ch = source[index++];
-                // ECMA-262 7.8.5
-                if (isLineTerminator(ch.charCodeAt(0))) {
-                    throwError({}, Messages.UnterminatedRegExp);
-                }
-                str += ch;
-            } else if (isLineTerminator(ch.charCodeAt(0))) {
-                throwError({}, Messages.UnterminatedRegExp);
-            } else if (classMarker) {
-                if (ch === ']') {
-                    classMarker = false;
-                }
-            } else {
-                if (ch === '/') {
-                    terminated = true;
-                    break;
-                } else if (ch === '[') {
-                    classMarker = true;
-                }
-            }
-        }
-
-        if (!terminated) {
-            throwError({}, Messages.UnterminatedRegExp);
-        }
-
-        // Exclude leading and trailing slash.
-        body = str.substr(1, str.length - 2);
-        return {
-            value: body,
-            literal: str
-        };
-    }
-
-    function scanRegExpFlags() {
-        var ch, str, flags, restore;
-
-        str = '';
-        flags = '';
-        while (index < length) {
-            ch = source[index];
-            if (!isIdentifierPart(ch.charCodeAt(0))) {
-                break;
-            }
-
-            ++index;
-            if (ch === '\\' && index < length) {
-                ch = source[index];
-                if (ch === 'u') {
-                    ++index;
-                    restore = index;
-                    ch = scanHexEscape('u');
-                    if (ch) {
-                        flags += ch;
-                        for (str += '\\u'; restore < index; ++restore) {
-                            str += source[restore];
-                        }
-                    } else {
-                        index = restore;
-                        flags += 'u';
-                        str += '\\u';
-                    }
-                    throwErrorTolerant({}, Messages.UnexpectedToken, 'ILLEGAL');
-                } else {
-                    str += '\\';
-                    throwErrorTolerant({}, Messages.UnexpectedToken, 'ILLEGAL');
-                }
-            } else {
-                flags += ch;
-                str += ch;
-            }
-        }
-
-        return {
-            value: flags,
-            literal: str
-        };
-    }
-
-    function scanRegExp() {
-        var start, body, flags, pattern, value;
-
-        lookahead = null;
-        skipComment();
-        start = index;
-
-        body = scanRegExpBody();
-        flags = scanRegExpFlags();
-        value = testRegExp(body.value, flags.value);
-
-        if (extra.tokenize) {
-            return {
-                type: Token.RegularExpression,
-                value: value,
-                lineNumber: lineNumber,
-                lineStart: lineStart,
-                start: start,
-                end: index
-            };
-        }
-
-        return {
-            literal: body.literal + flags.literal,
-            value: value,
-            start: start,
-            end: index
-        };
-    }
-
-    function collectRegex() {
-        var pos, loc, regex, token;
-
-        skipComment();
-
-        pos = index;
-        loc = {
-            start: {
-                line: lineNumber,
-                column: index - lineStart
-            }
-        };
-
-        regex = scanRegExp();
-        loc.end = {
-            line: lineNumber,
-            column: index - lineStart
-        };
-
-        /* istanbul ignore next */
-        if (!extra.tokenize) {
-            // Pop the previous token, which is likely '/' or '/='
-            if (extra.tokens.length > 0) {
-                token = extra.tokens[extra.tokens.length - 1];
-                if (token.range[0] === pos && token.type === 'Punctuator') {
-                    if (token.value === '/' || token.value === '/=') {
-                        extra.tokens.pop();
-                    }
-                }
-            }
-
-            extra.tokens.push({
-                type: 'RegularExpression',
-                value: regex.literal,
-                range: [pos, index],
-                loc: loc
-            });
-        }
-
-        return regex;
-    }
-
-    function isIdentifierName(token) {
-        return token.type === Token.Identifier ||
-            token.type === Token.Keyword ||
-            token.type === Token.BooleanLiteral ||
-            token.type === Token.NullLiteral;
-    }
-
-    function advanceSlash() {
-        var prevToken,
-            checkToken;
-        // Using the following algorithm:
-        // https://github.com/mozilla/sweet.js/wiki/design
-        prevToken = extra.tokens[extra.tokens.length - 1];
-        if (!prevToken) {
-            // Nothing before that: it cannot be a division.
-            return collectRegex();
-        }
-        if (prevToken.type === 'Punctuator') {
-            if (prevToken.value === ']') {
-                return scanPunctuator();
-            }
-            if (prevToken.value === ')') {
-                checkToken = extra.tokens[extra.openParenToken - 1];
-                if (checkToken &&
-                        checkToken.type === 'Keyword' &&
-                        (checkToken.value === 'if' ||
-                         checkToken.value === 'while' ||
-                         checkToken.value === 'for' ||
-                         checkToken.value === 'with')) {
-                    return collectRegex();
-                }
-                return scanPunctuator();
-            }
-            if (prevToken.value === '}') {
-                // Dividing a function by anything makes little sense,
-                // but we have to check for that.
-                if (extra.tokens[extra.openCurlyToken - 3] &&
-                        extra.tokens[extra.openCurlyToken - 3].type === 'Keyword') {
-                    // Anonymous function.
-                    checkToken = extra.tokens[extra.openCurlyToken - 4];
-                    if (!checkToken) {
-                        return scanPunctuator();
-                    }
-                } else if (extra.tokens[extra.openCurlyToken - 4] &&
-                        extra.tokens[extra.openCurlyToken - 4].type === 'Keyword') {
-                    // Named function.
-                    checkToken = extra.tokens[extra.openCurlyToken - 5];
-                    if (!checkToken) {
-                        return collectRegex();
-                    }
-                } else {
-                    return scanPunctuator();
-                }
-                // checkToken determines whether the function is
-                // a declaration or an expression.
-                if (FnExprTokens.indexOf(checkToken.value) >= 0) {
-                    // It is an expression.
-                    return scanPunctuator();
-                }
-                // It is a declaration.
-                return collectRegex();
-            }
-            return collectRegex();
-        }
-        if (prevToken.type === 'Keyword') {
-            return collectRegex();
-        }
-        return scanPunctuator();
-    }
-
-    function advance() {
-        var ch;
-
-        skipComment();
-
-        if (index >= length) {
-            return {
-                type: Token.EOF,
-                lineNumber: lineNumber,
-                lineStart: lineStart,
-                start: index,
-                end: index
-            };
-        }
-
-        ch = source.charCodeAt(index);
-
-        if (isIdentifierStart(ch)) {
-            return scanIdentifier();
-        }
-
-        // Very common: ( and ) and ;
-        if (ch === 0x28 || ch === 0x29 || ch === 0x3B) {
-            return scanPunctuator();
-        }
-
-        // String literal starts with single quote (U+0027) or double quote (U+0022).
-        if (ch === 0x27 || ch === 0x22) {
-            return scanStringLiteral();
-        }
-
-
-        // Dot (.) U+002E can also start a floating-point number, hence the need
-        // to check the next character.
-        if (ch === 0x2E) {
-            if (isDecimalDigit(source.charCodeAt(index + 1))) {
-                return scanNumericLiteral();
-            }
-            return scanPunctuator();
-        }
-
-        if (isDecimalDigit(ch)) {
-            return scanNumericLiteral();
-        }
-
-        // Slash (/) U+002F can also start a regex.
-        if (extra.tokenize && ch === 0x2F) {
-            return advanceSlash();
-        }
-
-        return scanPunctuator();
-    }
-
-    function collectToken() {
-        var loc, token, range, value;
-
-        skipComment();
-        loc = {
-            start: {
-                line: lineNumber,
-                column: index - lineStart
-            }
-        };
-
-        token = advance();
-        loc.end = {
-            line: lineNumber,
-            column: index - lineStart
-        };
-
-        if (token.type !== Token.EOF) {
-            value = source.slice(token.start, token.end);
-            extra.tokens.push({
-                type: TokenName[token.type],
-                value: value,
-                range: [token.start, token.end],
-                loc: loc
-            });
-        }
-
-        return token;
-    }
-
-    function lex() {
-        var token;
-
-        token = lookahead;
-        index = token.end;
-        lineNumber = token.lineNumber;
-        lineStart = token.lineStart;
-
-        lookahead = (typeof extra.tokens !== 'undefined') ? collectToken() : advance();
-
-        index = token.end;
-        lineNumber = token.lineNumber;
-        lineStart = token.lineStart;
-
-        return token;
-    }
-
-    function peek() {
-        var pos, line, start;
-
-        pos = index;
-        line = lineNumber;
-        start = lineStart;
-        lookahead = (typeof extra.tokens !== 'undefined') ? collectToken() : advance();
-        index = pos;
-        lineNumber = line;
-        lineStart = start;
-    }
-
-    function Position(line, column) {
-        this.line = line;
-        this.column = column;
-    }
-
-    function SourceLocation(startLine, startColumn, line, column) {
-        this.start = new Position(startLine, startColumn);
-        this.end = new Position(line, column);
-    }
-
-    SyntaxTreeDelegate = {
-
-        name: 'SyntaxTree',
-
-        processComment: function (node) {
-            var lastChild, trailingComments;
-
-            if (node.type === Syntax.Program) {
-                if (node.body.length > 0) {
-                    return;
-                }
-            }
-
-            if (extra.trailingComments.length > 0) {
-                if (extra.trailingComments[0].range[0] >= node.range[1]) {
-                    trailingComments = extra.trailingComments;
-                    extra.trailingComments = [];
-                } else {
-                    extra.trailingComments.length = 0;
-                }
-            } else {
-                if (extra.bottomRightStack.length > 0 &&
-                        extra.bottomRightStack[extra.bottomRightStack.length - 1].trailingComments &&
-                        extra.bottomRightStack[extra.bottomRightStack.length - 1].trailingComments[0].range[0] >= node.range[1]) {
-                    trailingComments = extra.bottomRightStack[extra.bottomRightStack.length - 1].trailingComments;
-                    delete extra.bottomRightStack[extra.bottomRightStack.length - 1].trailingComments;
-                }
-            }
-
-            // Eating the stack.
-            while (extra.bottomRightStack.length > 0 && extra.bottomRightStack[extra.bottomRightStack.length - 1].range[0] >= node.range[0]) {
-                lastChild = extra.bottomRightStack.pop();
-            }
-
-            if (lastChild) {
-                if (lastChild.leadingComments && lastChild.leadingComments[lastChild.leadingComments.length - 1].range[1] <= node.range[0]) {
-                    node.leadingComments = lastChild.leadingComments;
-                    delete lastChild.leadingComments;
-                }
-            } else if (extra.leadingComments.length > 0 && extra.leadingComments[extra.leadingComments.length - 1].range[1] <= node.range[0]) {
-                node.leadingComments = extra.leadingComments;
-                extra.leadingComments = [];
-            }
-
-
-            if (trailingComments) {
-                node.trailingComments = trailingComments;
-            }
-
-            extra.bottomRightStack.push(node);
-        },
-
-        markEnd: function (node, startToken) {
-            if (extra.range) {
-                node.range = [startToken.start, index];
-            }
-            if (extra.loc) {
-                node.loc = new SourceLocation(
-                    startToken.startLineNumber === undefined ?  startToken.lineNumber : startToken.startLineNumber,
-                    startToken.start - (startToken.startLineStart === undefined ?  startToken.lineStart : startToken.startLineStart),
-                    lineNumber,
-                    index - lineStart
-                );
-                this.postProcess(node);
-            }
-
-            if (extra.attachComment) {
-                this.processComment(node);
-            }
-            return node;
-        },
-
-        postProcess: function (node) {
-            if (extra.source) {
-                node.loc.source = extra.source;
-            }
-            return node;
-        },
-
-        createArrayExpression: function (elements) {
-            return {
-                type: Syntax.ArrayExpression,
-                elements: elements
-            };
-        },
-
-        createAssignmentExpression: function (operator, left, right) {
-            return {
-                type: Syntax.AssignmentExpression,
-                operator: operator,
-                left: left,
-                right: right
-            };
-        },
-
-        createBinaryExpression: function (operator, left, right) {
-            var type = (operator === '||' || operator === '&&') ? Syntax.LogicalExpression :
-                        Syntax.BinaryExpression;
-            return {
-                type: type,
-                operator: operator,
-                left: left,
-                right: right
-            };
-        },
-
-        createBlockStatement: function (body) {
-            return {
-                type: Syntax.BlockStatement,
-                body: body
-            };
-        },
-
-        createBreakStatement: function (label) {
-            return {
-                type: Syntax.BreakStatement,
-                label: label
-            };
-        },
-
-        createCallExpression: function (callee, args) {
-            return {
-                type: Syntax.CallExpression,
-                callee: callee,
-                'arguments': args
-            };
-        },
-
-        createCatchClause: function (param, body) {
-            return {
-                type: Syntax.CatchClause,
-                param: param,
-                body: body
-            };
-        },
-
-        createConditionalExpression: function (test, consequent, alternate) {
-            return {
-                type: Syntax.ConditionalExpression,
-                test: test,
-                consequent: consequent,
-                alternate: alternate
-            };
-        },
-
-        createContinueStatement: function (label) {
-            return {
-                type: Syntax.ContinueStatement,
-                label: label
-            };
-        },
-
-        createDebuggerStatement: function () {
-            return {
-                type: Syntax.DebuggerStatement
-            };
-        },
-
-        createDoWhileStatement: function (body, test) {
-            return {
-                type: Syntax.DoWhileStatement,
-                body: body,
-                test: test
-            };
-        },
-
-        createEmptyStatement: function () {
-            return {
-                type: Syntax.EmptyStatement
-            };
-        },
-
-        createExpressionStatement: function (expression) {
-            return {
-                type: Syntax.ExpressionStatement,
-                expression: expression
-            };
-        },
-
-        createForStatement: function (init, test, update, body) {
-            return {
-                type: Syntax.ForStatement,
-                init: init,
-                test: test,
-                update: update,
-                body: body
-            };
-        },
-
-        createForInStatement: function (left, right, body) {
-            return {
-                type: Syntax.ForInStatement,
-                left: left,
-                right: right,
-                body: body,
-                each: false
-            };
-        },
-
-        createFunctionDeclaration: function (id, params, defaults, body) {
-            return {
-                type: Syntax.FunctionDeclaration,
-                id: id,
-                params: params,
-                defaults: defaults,
-                body: body,
-                rest: null,
-                generator: false,
-                expression: false
-            };
-        },
-
-        createFunctionExpression: function (id, params, defaults, body) {
-            return {
-                type: Syntax.FunctionExpression,
-                id: id,
-                params: params,
-                defaults: defaults,
-                body: body,
-                rest: null,
-                generator: false,
-                expression: false
-            };
-        },
-
-        createIdentifier: function (name) {
-            return {
-                type: Syntax.Identifier,
-                name: name
-            };
-        },
-
-        createIfStatement: function (test, consequent, alternate) {
-            return {
-                type: Syntax.IfStatement,
-                test: test,
-                consequent: consequent,
-                alternate: alternate
-            };
-        },
-
-        createLabeledStatement: function (label, body) {
-            return {
-                type: Syntax.LabeledStatement,
-                label: label,
-                body: body
-            };
-        },
-
-        createLiteral: function (token) {
-            return {
-                type: Syntax.Literal,
-                value: token.value,
-                raw: source.slice(token.start, token.end)
-            };
-        },
-
-        createMemberExpression: function (accessor, object, property) {
-            return {
-                type: Syntax.MemberExpression,
-                computed: accessor === '[',
-                object: object,
-                property: property
-            };
-        },
-
-        createNewExpression: function (callee, args) {
-            return {
-                type: Syntax.NewExpression,
-                callee: callee,
-                'arguments': args
-            };
-        },
-
-        createObjectExpression: function (properties) {
-            return {
-                type: Syntax.ObjectExpression,
-                properties: properties
-            };
-        },
-
-        createPostfixExpression: function (operator, argument) {
-            return {
-                type: Syntax.UpdateExpression,
-                operator: operator,
-                argument: argument,
-                prefix: false
-            };
-        },
-
-        createProgram: function (body) {
-            return {
-                type: Syntax.Program,
-                body: body
-            };
-        },
-
-        createProperty: function (kind, key, value) {
-            return {
-                type: Syntax.Property,
-                key: key,
-                value: value,
-                kind: kind
-            };
-        },
-
-        createReturnStatement: function (argument) {
-            return {
-                type: Syntax.ReturnStatement,
-                argument: argument
-            };
-        },
-
-        createSequenceExpression: function (expressions) {
-            return {
-                type: Syntax.SequenceExpression,
-                expressions: expressions
-            };
-        },
-
-        createSwitchCase: function (test, consequent) {
-            return {
-                type: Syntax.SwitchCase,
-                test: test,
-                consequent: consequent
-            };
-        },
-
-        createSwitchStatement: function (discriminant, cases) {
-            return {
-                type: Syntax.SwitchStatement,
-                discriminant: discriminant,
-                cases: cases
-            };
-        },
-
-        createThisExpression: function () {
-            return {
-                type: Syntax.ThisExpression
-            };
-        },
-
-        createThrowStatement: function (argument) {
-            return {
-                type: Syntax.ThrowStatement,
-                argument: argument
-            };
-        },
-
-        createTryStatement: function (block, guardedHandlers, handlers, finalizer) {
-            return {
-                type: Syntax.TryStatement,
-                block: block,
-                guardedHandlers: guardedHandlers,
-                handlers: handlers,
-                finalizer: finalizer
-            };
-        },
-
-        createUnaryExpression: function (operator, argument) {
-            if (operator === '++' || operator === '--') {
-                return {
-                    type: Syntax.UpdateExpression,
-                    operator: operator,
-                    argument: argument,
-                    prefix: true
-                };
-            }
-            return {
-                type: Syntax.UnaryExpression,
-                operator: operator,
-                argument: argument,
-                prefix: true
-            };
-        },
-
-        createVariableDeclaration: function (declarations, kind) {
-            return {
-                type: Syntax.VariableDeclaration,
-                declarations: declarations,
-                kind: kind
-            };
-        },
-
-        createVariableDeclarator: function (id, init) {
-            return {
-                type: Syntax.VariableDeclarator,
-                id: id,
-                init: init
-            };
-        },
-
-        createWhileStatement: function (test, body) {
-            return {
-                type: Syntax.WhileStatement,
-                test: test,
-                body: body
-            };
-        },
-
-        createWithStatement: function (object, body) {
-            return {
-                type: Syntax.WithStatement,
-                object: object,
-                body: body
-            };
-        }
-    };
-
-    // Return true if there is a line terminator before the next token.
-
-    function peekLineTerminator() {
-        var pos, line, start, found;
-
-        pos = index;
-        line = lineNumber;
-        start = lineStart;
-        skipComment();
-        found = lineNumber !== line;
-        index = pos;
-        lineNumber = line;
-        lineStart = start;
-
-        return found;
-    }
-
-    // Throw an exception
-
-    function throwError(token, messageFormat) {
-        var error,
-            args = Array.prototype.slice.call(arguments, 2),
-            msg = messageFormat.replace(
-                /%(\d)/g,
-                function (whole, index) {
-                    assert(index < args.length, 'Message reference must be in range');
-                    return args[index];
-                }
-            );
-
-        if (typeof token.lineNumber === 'number') {
-            error = new Error('Line ' + token.lineNumber + ': ' + msg);
-            error.index = token.start;
-            error.lineNumber = token.lineNumber;
-            error.column = token.start - lineStart + 1;
-        } else {
-            error = new Error('Line ' + lineNumber + ': ' + msg);
-            error.index = index;
-            error.lineNumber = lineNumber;
-            error.column = index - lineStart + 1;
-        }
-
-        error.description = msg;
-        throw error;
-    }
-
-    function throwErrorTolerant() {
-        try {
-            throwError.apply(null, arguments);
-        } catch (e) {
-            if (extra.errors) {
-                extra.errors.push(e);
-            } else {
-                throw e;
-            }
-        }
-    }
-
-
-    // Throw an exception because of the token.
-
-    function throwUnexpected(token) {
-        if (token.type === Token.EOF) {
-            throwError(token, Messages.UnexpectedEOS);
-        }
-
-        if (token.type === Token.NumericLiteral) {
-            throwError(token, Messages.UnexpectedNumber);
-        }
-
-        if (token.type === Token.StringLiteral) {
-            throwError(token, Messages.UnexpectedString);
-        }
-
-        if (token.type === Token.Identifier) {
-            throwError(token, Messages.UnexpectedIdentifier);
-        }
-
-        if (token.type === Token.Keyword) {
-            if (isFutureReservedWord(token.value)) {
-                throwError(token, Messages.UnexpectedReserved);
-            } else if (strict && isStrictModeReservedWord(token.value)) {
-                throwErrorTolerant(token, Messages.StrictReservedWord);
-                return;
-            }
-            throwError(token, Messages.UnexpectedToken, token.value);
-        }
-
-        // BooleanLiteral, NullLiteral, or Punctuator.
-        throwError(token, Messages.UnexpectedToken, token.value);
-    }
-
-    // Expect the next token to match the specified punctuator.
-    // If not, an exception will be thrown.
-
-    function expect(value) {
-        var token = lex();
-        if (token.type !== Token.Punctuator || token.value !== value) {
-            throwUnexpected(token);
-        }
-    }
-
-    // Expect the next token to match the specified keyword.
-    // If not, an exception will be thrown.
-
-    function expectKeyword(keyword) {
-        var token = lex();
-        if (token.type !== Token.Keyword || token.value !== keyword) {
-            throwUnexpected(token);
-        }
-    }
-
-    // Return true if the next token matches the specified punctuator.
-
-    function match(value) {
-        return lookahead.type === Token.Punctuator && lookahead.value === value;
-    }
-
-    // Return true if the next token matches the specified keyword
-
-    function matchKeyword(keyword) {
-        return lookahead.type === Token.Keyword && lookahead.value === keyword;
-    }
-
-    // Return true if the next token is an assignment operator
-
-    function matchAssign() {
-        var op;
-
-        if (lookahead.type !== Token.Punctuator) {
-            return false;
-        }
-        op = lookahead.value;
-        return op === '=' ||
-            op === '*=' ||
-            op === '/=' ||
-            op === '%=' ||
-            op === '+=' ||
-            op === '-=' ||
-            op === '<<=' ||
-            op === '>>=' ||
-            op === '>>>=' ||
-            op === '&=' ||
-            op === '^=' ||
-            op === '|=';
-    }
-
-    function consumeSemicolon() {
-        var line;
-
-        // Catch the very common case first: immediately a semicolon (U+003B).
-        if (source.charCodeAt(index) === 0x3B || match(';')) {
-            lex();
-            return;
-        }
-
-        line = lineNumber;
-        skipComment();
-        if (lineNumber !== line) {
-            return;
-        }
-
-        if (lookahead.type !== Token.EOF && !match('}')) {
-            throwUnexpected(lookahead);
-        }
-    }
-
-    // Return true if provided expression is LeftHandSideExpression
-
-    function isLeftHandSide(expr) {
-        return expr.type === Syntax.Identifier || expr.type === Syntax.MemberExpression;
-    }
-
-    // 11.1.4 Array Initialiser
-
-    function parseArrayInitialiser() {
-        var elements = [], startToken;
-
-        startToken = lookahead;
-        expect('[');
-
-        while (!match(']')) {
-            if (match(',')) {
-                lex();
-                elements.push(null);
-            } else {
-                elements.push(parseAssignmentExpression());
-
-                if (!match(']')) {
-                    expect(',');
-                }
-            }
-        }
-
-        lex();
-
-        return delegate.markEnd(delegate.createArrayExpression(elements), startToken);
-    }
-
-    // 11.1.5 Object Initialiser
-
-    function parsePropertyFunction(param, first) {
-        var previousStrict, body, startToken;
-
-        previousStrict = strict;
-        startToken = lookahead;
-        body = parseFunctionSourceElements();
-        if (first && strict && isRestrictedWord(param[0].name)) {
-            throwErrorTolerant(first, Messages.StrictParamName);
-        }
-        strict = previousStrict;
-        return delegate.markEnd(delegate.createFunctionExpression(null, param, [], body), startToken);
-    }
-
-    function parseObjectPropertyKey() {
-        var token, startToken;
-
-        startToken = lookahead;
-        token = lex();
-
-        // Note: This function is called only from parseObjectProperty(), where
-        // EOF and Punctuator tokens are already filtered out.
-
-        if (token.type === Token.StringLiteral || token.type === Token.NumericLiteral) {
-            if (strict && token.octal) {
-                throwErrorTolerant(token, Messages.StrictOctalLiteral);
-            }
-            return delegate.markEnd(delegate.createLiteral(token), startToken);
-        }
-
-        return delegate.markEnd(delegate.createIdentifier(token.value), startToken);
-    }
-
-    function parseObjectProperty() {
-        var token, key, id, value, param, startToken;
-
-        token = lookahead;
-        startToken = lookahead;
-
-        if (token.type === Token.Identifier) {
-
-            id = parseObjectPropertyKey();
-
-            // Property Assignment: Getter and Setter.
-
-            if (token.value === 'get' && !match(':')) {
-                key = parseObjectPropertyKey();
-                expect('(');
-                expect(')');
-                value = parsePropertyFunction([]);
-                return delegate.markEnd(delegate.createProperty('get', key, value), startToken);
-            }
-            if (token.value === 'set' && !match(':')) {
-                key = parseObjectPropertyKey();
-                expect('(');
-                token = lookahead;
-                if (token.type !== Token.Identifier) {
-                    expect(')');
-                    throwErrorTolerant(token, Messages.UnexpectedToken, token.value);
-                    value = parsePropertyFunction([]);
-                } else {
-                    param = [ parseVariableIdentifier() ];
-                    expect(')');
-                    value = parsePropertyFunction(param, token);
-                }
-                return delegate.markEnd(delegate.createProperty('set', key, value), startToken);
-            }
-            expect(':');
-            value = parseAssignmentExpression();
-            return delegate.markEnd(delegate.createProperty('init', id, value), startToken);
-        }
-        if (token.type === Token.EOF || token.type === Token.Punctuator) {
-            throwUnexpected(token);
-        } else {
-            key = parseObjectPropertyKey();
-            expect(':');
-            value = parseAssignmentExpression();
-            return delegate.markEnd(delegate.createProperty('init', key, value), startToken);
-        }
-    }
-
-    function parseObjectInitialiser() {
-        var properties = [], property, name, key, kind, map = {}, toString = String, startToken;
-
-        startToken = lookahead;
-
-        expect('{');
-
-        while (!match('}')) {
-            property = parseObjectProperty();
-
-            if (property.key.type === Syntax.Identifier) {
-                name = property.key.name;
-            } else {
-                name = toString(property.key.value);
-            }
-            kind = (property.kind === 'init') ? PropertyKind.Data : (property.kind === 'get') ? PropertyKind.Get : PropertyKind.Set;
-
-            key = '$' + name;
-            if (Object.prototype.hasOwnProperty.call(map, key)) {
-                if (map[key] === PropertyKind.Data) {
-                    if (strict && kind === PropertyKind.Data) {
-                        throwErrorTolerant({}, Messages.StrictDuplicateProperty);
-                    } else if (kind !== PropertyKind.Data) {
-                        throwErrorTolerant({}, Messages.AccessorDataProperty);
-                    }
-                } else {
-                    if (kind === PropertyKind.Data) {
-                        throwErrorTolerant({}, Messages.AccessorDataProperty);
-                    } else if (map[key] & kind) {
-                        throwErrorTolerant({}, Messages.AccessorGetSet);
-                    }
-                }
-                map[key] |= kind;
-            } else {
-                map[key] = kind;
-            }
-
-            properties.push(property);
-
-            if (!match('}')) {
-                expect(',');
-            }
-        }
-
-        expect('}');
-
-        return delegate.markEnd(delegate.createObjectExpression(properties), startToken);
-    }
-
-    // 11.1.6 The Grouping Operator
-
-    function parseGroupExpression() {
-        var expr;
-
-        expect('(');
-
-        expr = parseExpression();
-
-        expect(')');
-
-        return expr;
-    }
-
-
-    // 11.1 Primary Expressions
-
-    function parsePrimaryExpression() {
-        var type, token, expr, startToken;
-
-        if (match('(')) {
-            return parseGroupExpression();
-        }
-
-        if (match('[')) {
-            return parseArrayInitialiser();
-        }
-
-        if (match('{')) {
-            return parseObjectInitialiser();
-        }
-
-        type = lookahead.type;
-        startToken = lookahead;
-
-        if (type === Token.Identifier) {
-            expr =  delegate.createIdentifier(lex().value);
-        } else if (type === Token.StringLiteral || type === Token.NumericLiteral) {
-            if (strict && lookahead.octal) {
-                throwErrorTolerant(lookahead, Messages.StrictOctalLiteral);
-            }
-            expr = delegate.createLiteral(lex());
-        } else if (type === Token.Keyword) {
-            if (matchKeyword('function')) {
-                return parseFunctionExpression();
-            }
-            if (matchKeyword('this')) {
-                lex();
-                expr = delegate.createThisExpression();
-            } else {
-                throwUnexpected(lex());
-            }
-        } else if (type === Token.BooleanLiteral) {
-            token = lex();
-            token.value = (token.value === 'true');
-            expr = delegate.createLiteral(token);
-        } else if (type === Token.NullLiteral) {
-            token = lex();
-            token.value = null;
-            expr = delegate.createLiteral(token);
-        } else if (match('/') || match('/=')) {
-            if (typeof extra.tokens !== 'undefined') {
-                expr = delegate.createLiteral(collectRegex());
-            } else {
-                expr = delegate.createLiteral(scanRegExp());
-            }
-            peek();
-        } else {
-            throwUnexpected(lex());
-        }
-
-        return delegate.markEnd(expr, startToken);
-    }
-
-    // 11.2 Left-Hand-Side Expressions
-
-    function parseArguments() {
-        var args = [];
-
-        expect('(');
-
-        if (!match(')')) {
-            while (index < length) {
-                args.push(parseAssignmentExpression());
-                if (match(')')) {
-                    break;
-                }
-                expect(',');
-            }
-        }
-
-        expect(')');
-
-        return args;
-    }
-
-    function parseNonComputedProperty() {
-        var token, startToken;
-
-        startToken = lookahead;
-        token = lex();
-
-        if (!isIdentifierName(token)) {
-            throwUnexpected(token);
-        }
-
-        return delegate.markEnd(delegate.createIdentifier(token.value), startToken);
-    }
-
-    function parseNonComputedMember() {
-        expect('.');
-
-        return parseNonComputedProperty();
-    }
-
-    function parseComputedMember() {
-        var expr;
-
-        expect('[');
-
-        expr = parseExpression();
-
-        expect(']');
-
-        return expr;
-    }
-
-    function parseNewExpression() {
-        var callee, args, startToken;
-
-        startToken = lookahead;
-        expectKeyword('new');
-        callee = parseLeftHandSideExpression();
-        args = match('(') ? parseArguments() : [];
-
-        return delegate.markEnd(delegate.createNewExpression(callee, args), startToken);
-    }
-
-    function parseLeftHandSideExpressionAllowCall() {
-        var previousAllowIn, expr, args, property, startToken;
-
-        startToken = lookahead;
-
-        previousAllowIn = state.allowIn;
-        state.allowIn = true;
-        expr = matchKeyword('new') ? parseNewExpression() : parsePrimaryExpression();
-        state.allowIn = previousAllowIn;
-
-        for (;;) {
-            if (match('.')) {
-                property = parseNonComputedMember();
-                expr = delegate.createMemberExpression('.', expr, property);
-            } else if (match('(')) {
-                args = parseArguments();
-                expr = delegate.createCallExpression(expr, args);
-            } else if (match('[')) {
-                property = parseComputedMember();
-                expr = delegate.createMemberExpression('[', expr, property);
-            } else {
-                break;
-            }
-            delegate.markEnd(expr, startToken);
-        }
-
-        return expr;
-    }
-
-    function parseLeftHandSideExpression() {
-        var previousAllowIn, expr, property, startToken;
-
-        startToken = lookahead;
-
-        previousAllowIn = state.allowIn;
-        expr = matchKeyword('new') ? parseNewExpression() : parsePrimaryExpression();
-        state.allowIn = previousAllowIn;
-
-        while (match('.') || match('[')) {
-            if (match('[')) {
-                property = parseComputedMember();
-                expr = delegate.createMemberExpression('[', expr, property);
-            } else {
-                property = parseNonComputedMember();
-                expr = delegate.createMemberExpression('.', expr, property);
-            }
-            delegate.markEnd(expr, startToken);
-        }
-
-        return expr;
-    }
-
-    // 11.3 Postfix Expressions
-
-    function parsePostfixExpression() {
-        var expr, token, startToken = lookahead;
-
-        expr = parseLeftHandSideExpressionAllowCall();
-
-        if (lookahead.type === Token.Punctuator) {
-            if ((match('++') || match('--')) && !peekLineTerminator()) {
-                // 11.3.1, 11.3.2
-                if (strict && expr.type === Syntax.Identifier && isRestrictedWord(expr.name)) {
-                    throwErrorTolerant({}, Messages.StrictLHSPostfix);
-                }
-
-                if (!isLeftHandSide(expr)) {
-                    throwErrorTolerant({}, Messages.InvalidLHSInAssignment);
-                }
-
-                token = lex();
-                expr = delegate.markEnd(delegate.createPostfixExpression(token.value, expr), startToken);
-            }
-        }
-
-        return expr;
-    }
-
-    // 11.4 Unary Operators
-
-    function parseUnaryExpression() {
-        var token, expr, startToken;
-
-        if (lookahead.type !== Token.Punctuator && lookahead.type !== Token.Keyword) {
-            expr = parsePostfixExpression();
-        } else if (match('++') || match('--')) {
-            startToken = lookahead;
-            token = lex();
-            expr = parseUnaryExpression();
-            // 11.4.4, 11.4.5
-            if (strict && expr.type === Syntax.Identifier && isRestrictedWord(expr.name)) {
-                throwErrorTolerant({}, Messages.StrictLHSPrefix);
-            }
-
-            if (!isLeftHandSide(expr)) {
-                throwErrorTolerant({}, Messages.InvalidLHSInAssignment);
-            }
-
-            expr = delegate.createUnaryExpression(token.value, expr);
-            expr = delegate.markEnd(expr, startToken);
-        } else if (match('+') || match('-') || match('~') || match('!')) {
-            startToken = lookahead;
-            token = lex();
-            expr = parseUnaryExpression();
-            expr = delegate.createUnaryExpression(token.value, expr);
-            expr = delegate.markEnd(expr, startToken);
-        } else if (matchKeyword('delete') || matchKeyword('void') || matchKeyword('typeof')) {
-            startToken = lookahead;
-            token = lex();
-            expr = parseUnaryExpression();
-            expr = delegate.createUnaryExpression(token.value, expr);
-            expr = delegate.markEnd(expr, startToken);
-            if (strict && expr.operator === 'delete' && expr.argument.type === Syntax.Identifier) {
-                throwErrorTolerant({}, Messages.StrictDelete);
-            }
-        } else {
-            expr = parsePostfixExpression();
-        }
-
-        return expr;
-    }
-
-    function binaryPrecedence(token, allowIn) {
-        var prec = 0;
-
-        if (token.type !== Token.Punctuator && token.type !== Token.Keyword) {
-            return 0;
-        }
-
-        switch (token.value) {
-        case '||':
-            prec = 1;
-            break;
-
-        case '&&':
-            prec = 2;
-            break;
-
-        case '|':
-            prec = 3;
-            break;
-
-        case '^':
-            prec = 4;
-            break;
-
-        case '&':
-            prec = 5;
-            break;
-
-        case '==':
-        case '!=':
-        case '===':
-        case '!==':
-            prec = 6;
-            break;
-
-        case '<':
-        case '>':
-        case '<=':
-        case '>=':
-        case 'instanceof':
-            prec = 7;
-            break;
-
-        case 'in':
-            prec = allowIn ? 7 : 0;
-            break;
-
-        case '<<':
-        case '>>':
-        case '>>>':
-            prec = 8;
-            break;
-
-        case '+':
-        case '-':
-            prec = 9;
-            break;
-
-        case '*':
-        case '/':
-        case '%':
-            prec = 11;
-            break;
-
-        default:
-            break;
-        }
-
-        return prec;
-    }
-
-    // 11.5 Multiplicative Operators
-    // 11.6 Additive Operators
-    // 11.7 Bitwise Shift Operators
-    // 11.8 Relational Operators
-    // 11.9 Equality Operators
-    // 11.10 Binary Bitwise Operators
-    // 11.11 Binary Logical Operators
-
-    function parseBinaryExpression() {
-        var marker, markers, expr, token, prec, stack, right, operator, left, i;
-
-        marker = lookahead;
-        left = parseUnaryExpression();
-
-        token = lookahead;
-        prec = binaryPrecedence(token, state.allowIn);
-        if (prec === 0) {
-            return left;
-        }
-        token.prec = prec;
-        lex();
-
-        markers = [marker, lookahead];
-        right = parseUnaryExpression();
-
-        stack = [left, token, right];
-
-        while ((prec = binaryPrecedence(lookahead, state.allowIn)) > 0) {
-
-            // Reduce: make a binary expression from the three topmost entries.
-            while ((stack.length > 2) && (prec <= stack[stack.length - 2].prec)) {
-                right = stack.pop();
-                operator = stack.pop().value;
-                left = stack.pop();
-                expr = delegate.createBinaryExpression(operator, left, right);
-                markers.pop();
-                marker = markers[markers.length - 1];
-                delegate.markEnd(expr, marker);
-                stack.push(expr);
-            }
-
-            // Shift.
-            token = lex();
-            token.prec = prec;
-            stack.push(token);
-            markers.push(lookahead);
-            expr = parseUnaryExpression();
-            stack.push(expr);
-        }
-
-        // Final reduce to clean-up the stack.
-        i = stack.length - 1;
-        expr = stack[i];
-        markers.pop();
-        while (i > 1) {
-            expr = delegate.createBinaryExpression(stack[i - 1].value, stack[i - 2], expr);
-            i -= 2;
-            marker = markers.pop();
-            delegate.markEnd(expr, marker);
-        }
-
-        return expr;
-    }
-
-
-    // 11.12 Conditional Operator
-
-    function parseConditionalExpression() {
-        var expr, previousAllowIn, consequent, alternate, startToken;
-
-        startToken = lookahead;
-
-        expr = parseBinaryExpression();
-
-        if (match('?')) {
-            lex();
-            previousAllowIn = state.allowIn;
-            state.allowIn = true;
-            consequent = parseAssignmentExpression();
-            state.allowIn = previousAllowIn;
-            expect(':');
-            alternate = parseAssignmentExpression();
-
-            expr = delegate.createConditionalExpression(expr, consequent, alternate);
-            delegate.markEnd(expr, startToken);
-        }
-
-        return expr;
-    }
-
-    // 11.13 Assignment Operators
-
-    function parseAssignmentExpression() {
-        var token, left, right, node, startToken;
-
-        token = lookahead;
-        startToken = lookahead;
-
-        node = left = parseConditionalExpression();
-
-        if (matchAssign()) {
-            // LeftHandSideExpression
-            if (!isLeftHandSide(left)) {
-                throwErrorTolerant({}, Messages.InvalidLHSInAssignment);
-            }
-
-            // 11.13.1
-            if (strict && left.type === Syntax.Identifier && isRestrictedWord(left.name)) {
-                throwErrorTolerant(token, Messages.StrictLHSAssignment);
-            }
-
-            token = lex();
-            right = parseAssignmentExpression();
-            node = delegate.markEnd(delegate.createAssignmentExpression(token.value, left, right), startToken);
-        }
-
-        return node;
-    }
-
-    // 11.14 Comma Operator
-
-    function parseExpression() {
-        var expr, startToken = lookahead;
-
-        expr = parseAssignmentExpression();
-
-        if (match(',')) {
-            expr = delegate.createSequenceExpression([ expr ]);
-
-            while (index < length) {
-                if (!match(',')) {
-                    break;
-                }
-                lex();
-                expr.expressions.push(parseAssignmentExpression());
-            }
-
-            delegate.markEnd(expr, startToken);
-        }
-
-        return expr;
-    }
-
-    // 12.1 Block
-
-    function parseStatementList() {
-        var list = [],
-            statement;
-
-        while (index < length) {
-            if (match('}')) {
-                break;
-            }
-            statement = parseSourceElement();
-            if (typeof statement === 'undefined') {
-                break;
-            }
-            list.push(statement);
-        }
-
-        return list;
-    }
-
-    function parseBlock() {
-        var block, startToken;
-
-        startToken = lookahead;
-        expect('{');
-
-        block = parseStatementList();
-
-        expect('}');
-
-        return delegate.markEnd(delegate.createBlockStatement(block), startToken);
-    }
-
-    // 12.2 Variable Statement
-
-    function parseVariableIdentifier() {
-        var token, startToken;
-
-        startToken = lookahead;
-        token = lex();
-
-        if (token.type !== Token.Identifier) {
-            throwUnexpected(token);
-        }
-
-        return delegate.markEnd(delegate.createIdentifier(token.value), startToken);
-    }
-
-    function parseVariableDeclaration(kind) {
-        var init = null, id, startToken;
-
-        startToken = lookahead;
-        id = parseVariableIdentifier();
-
-        // 12.2.1
-        if (strict && isRestrictedWord(id.name)) {
-            throwErrorTolerant({}, Messages.StrictVarName);
-        }
-
-        if (kind === 'const') {
-            expect('=');
-            init = parseAssignmentExpression();
-        } else if (match('=')) {
-            lex();
-            init = parseAssignmentExpression();
-        }
-
-        return delegate.markEnd(delegate.createVariableDeclarator(id, init), startToken);
-    }
-
-    function parseVariableDeclarationList(kind) {
-        var list = [];
-
-        do {
-            list.push(parseVariableDeclaration(kind));
-            if (!match(',')) {
-                break;
-            }
-            lex();
-        } while (index < length);
-
-        return list;
-    }
-
-    function parseVariableStatement() {
-        var declarations;
-
-        expectKeyword('var');
-
-        declarations = parseVariableDeclarationList();
-
-        consumeSemicolon();
-
-        return delegate.createVariableDeclaration(declarations, 'var');
-    }
-
-    // kind may be `const` or `let`
-    // Both are experimental and not in the specification yet.
-    // see http://wiki.ecmascript.org/doku.php?id=harmony:const
-    // and http://wiki.ecmascript.org/doku.php?id=harmony:let
-    function parseConstLetDeclaration(kind) {
-        var declarations, startToken;
-
-        startToken = lookahead;
-
-        expectKeyword(kind);
-
-        declarations = parseVariableDeclarationList(kind);
-
-        consumeSemicolon();
-
-        return delegate.markEnd(delegate.createVariableDeclaration(declarations, kind), startToken);
-    }
-
-    // 12.3 Empty Statement
-
-    function parseEmptyStatement() {
-        expect(';');
-        return delegate.createEmptyStatement();
-    }
-
-    // 12.4 Expression Statement
-
-    function parseExpressionStatement() {
-        var expr = parseExpression();
-        consumeSemicolon();
-        return delegate.createExpressionStatement(expr);
-    }
-
-    // 12.5 If statement
-
-    function parseIfStatement() {
-        var test, consequent, alternate;
-
-        expectKeyword('if');
-
-        expect('(');
-
-        test = parseExpression();
-
-        expect(')');
-
-        consequent = parseStatement();
-
-        if (matchKeyword('else')) {
-            lex();
-            alternate = parseStatement();
-        } else {
-            alternate = null;
-        }
-
-        return delegate.createIfStatement(test, consequent, alternate);
-    }
-
-    // 12.6 Iteration Statements
-
-    function parseDoWhileStatement() {
-        var body, test, oldInIteration;
-
-        expectKeyword('do');
-
-        oldInIteration = state.inIteration;
-        state.inIteration = true;
-
-        body = parseStatement();
-
-        state.inIteration = oldInIteration;
-
-        expectKeyword('while');
-
-        expect('(');
-
-        test = parseExpression();
-
-        expect(')');
-
-        if (match(';')) {
-            lex();
-        }
-
-        return delegate.createDoWhileStatement(body, test);
-    }
-
-    function parseWhileStatement() {
-        var test, body, oldInIteration;
-
-        expectKeyword('while');
-
-        expect('(');
-
-        test = parseExpression();
-
-        expect(')');
-
-        oldInIteration = state.inIteration;
-        state.inIteration = true;
-
-        body = parseStatement();
-
-        state.inIteration = oldInIteration;
-
-        return delegate.createWhileStatement(test, body);
-    }
-
-    function parseForVariableDeclaration() {
-        var token, declarations, startToken;
-
-        startToken = lookahead;
-        token = lex();
-        declarations = parseVariableDeclarationList();
-
-        return delegate.markEnd(delegate.createVariableDeclaration(declarations, token.value), startToken);
-    }
-
-    function parseForStatement() {
-        var init, test, update, left, right, body, oldInIteration;
-
-        init = test = update = null;
-
-        expectKeyword('for');
-
-        expect('(');
-
-        if (match(';')) {
-            lex();
-        } else {
-            if (matchKeyword('var') || matchKeyword('let')) {
-                state.allowIn = false;
-                init = parseForVariableDeclaration();
-                state.allowIn = true;
-
-                if (init.declarations.length === 1 && matchKeyword('in')) {
-                    lex();
-                    left = init;
-                    right = parseExpression();
-                    init = null;
-                }
-            } else {
-                state.allowIn = false;
-                init = parseExpression();
-                state.allowIn = true;
-
-                if (matchKeyword('in')) {
-                    // LeftHandSideExpression
-                    if (!isLeftHandSide(init)) {
-                        throwErrorTolerant({}, Messages.InvalidLHSInForIn);
-                    }
-
-                    lex();
-                    left = init;
-                    right = parseExpression();
-                    init = null;
-                }
-            }
-
-            if (typeof left === 'undefined') {
-                expect(';');
-            }
-        }
-
-        if (typeof left === 'undefined') {
-
-            if (!match(';')) {
-                test = parseExpression();
-            }
-            expect(';');
-
-            if (!match(')')) {
-                update = parseExpression();
-            }
-        }
-
-        expect(')');
-
-        oldInIteration = state.inIteration;
-        state.inIteration = true;
-
-        body = parseStatement();
-
-        state.inIteration = oldInIteration;
-
-        return (typeof left === 'undefined') ?
-                delegate.createForStatement(init, test, update, body) :
-                delegate.createForInStatement(left, right, body);
-    }
-
-    // 12.7 The continue statement
-
-    function parseContinueStatement() {
-        var label = null, key;
-
-        expectKeyword('continue');
-
-        // Optimize the most common form: 'continue;'.
-        if (source.charCodeAt(index) === 0x3B) {
-            lex();
-
-            if (!state.inIteration) {
-                throwError({}, Messages.IllegalContinue);
-            }
-
-            return delegate.createContinueStatement(null);
-        }
-
-        if (peekLineTerminator()) {
-            if (!state.inIteration) {
-                throwError({}, Messages.IllegalContinue);
-            }
-
-            return delegate.createContinueStatement(null);
-        }
-
-        if (lookahead.type === Token.Identifier) {
-            label = parseVariableIdentifier();
-
-            key = '$' + label.name;
-            if (!Object.prototype.hasOwnProperty.call(state.labelSet, key)) {
-                throwError({}, Messages.UnknownLabel, label.name);
-            }
-        }
-
-        consumeSemicolon();
-
-        if (label === null && !state.inIteration) {
-            throwError({}, Messages.IllegalContinue);
-        }
-
-        return delegate.createContinueStatement(label);
-    }
-
-    // 12.8 The break statement
-
-    function parseBreakStatement() {
-        var label = null, key;
-
-        expectKeyword('break');
-
-        // Catch the very common case first: immediately a semicolon (U+003B).
-        if (source.charCodeAt(index) === 0x3B) {
-            lex();
-
-            if (!(state.inIteration || state.inSwitch)) {
-                throwError({}, Messages.IllegalBreak);
-            }
-
-            return delegate.createBreakStatement(null);
-        }
-
-        if (peekLineTerminator()) {
-            if (!(state.inIteration || state.inSwitch)) {
-                throwError({}, Messages.IllegalBreak);
-            }
-
-            return delegate.createBreakStatement(null);
-        }
-
-        if (lookahead.type === Token.Identifier) {
-            label = parseVariableIdentifier();
-
-            key = '$' + label.name;
-            if (!Object.prototype.hasOwnProperty.call(state.labelSet, key)) {
-                throwError({}, Messages.UnknownLabel, label.name);
-            }
-        }
-
-        consumeSemicolon();
-
-        if (label === null && !(state.inIteration || state.inSwitch)) {
-            throwError({}, Messages.IllegalBreak);
-        }
-
-        return delegate.createBreakStatement(label);
-    }
-
-    // 12.9 The return statement
-
-    function parseReturnStatement() {
-        var argument = null;
-
-        expectKeyword('return');
-
-        if (!state.inFunctionBody) {
-            throwErrorTolerant({}, Messages.IllegalReturn);
-        }
-
-        // 'return' followed by a space and an identifier is very common.
-        if (source.charCodeAt(index) === 0x20) {
-            if (isIdentifierStart(source.charCodeAt(index + 1))) {
-                argument = parseExpression();
-                consumeSemicolon();
-                return delegate.createReturnStatement(argument);
-            }
-        }
-
-        if (peekLineTerminator()) {
-            return delegate.createReturnStatement(null);
-        }
-
-        if (!match(';')) {
-            if (!match('}') && lookahead.type !== Token.EOF) {
-                argument = parseExpression();
-            }
-        }
-
-        consumeSemicolon();
-
-        return delegate.createReturnStatement(argument);
-    }
-
-    // 12.10 The with statement
-
-    function parseWithStatement() {
-        var object, body;
-
-        if (strict) {
-            // TODO(ikarienator): Should we update the test cases instead?
-            skipComment();
-            throwErrorTolerant({}, Messages.StrictModeWith);
-        }
-
-        expectKeyword('with');
-
-        expect('(');
-
-        object = parseExpression();
-
-        expect(')');
-
-        body = parseStatement();
-
-        return delegate.createWithStatement(object, body);
-    }
-
-    // 12.10 The swith statement
-
-    function parseSwitchCase() {
-        var test, consequent = [], statement, startToken;
-
-        startToken = lookahead;
-        if (matchKeyword('default')) {
-            lex();
-            test = null;
-        } else {
-            expectKeyword('case');
-            test = parseExpression();
-        }
-        expect(':');
-
-        while (index < length) {
-            if (match('}') || matchKeyword('default') || matchKeyword('case')) {
-                break;
-            }
-            statement = parseStatement();
-            consequent.push(statement);
-        }
-
-        return delegate.markEnd(delegate.createSwitchCase(test, consequent), startToken);
-    }
-
-    function parseSwitchStatement() {
-        var discriminant, cases, clause, oldInSwitch, defaultFound;
-
-        expectKeyword('switch');
-
-        expect('(');
-
-        discriminant = parseExpression();
-
-        expect(')');
-
-        expect('{');
-
-        cases = [];
-
-        if (match('}')) {
-            lex();
-            return delegate.createSwitchStatement(discriminant, cases);
-        }
-
-        oldInSwitch = state.inSwitch;
-        state.inSwitch = true;
-        defaultFound = false;
-
-        while (index < length) {
-            if (match('}')) {
-                break;
-            }
-            clause = parseSwitchCase();
-            if (clause.test === null) {
-                if (defaultFound) {
-                    throwError({}, Messages.MultipleDefaultsInSwitch);
-                }
-                defaultFound = true;
-            }
-            cases.push(clause);
-        }
-
-        state.inSwitch = oldInSwitch;
-
-        expect('}');
-
-        return delegate.createSwitchStatement(discriminant, cases);
-    }
-
-    // 12.13 The throw statement
-
-    function parseThrowStatement() {
-        var argument;
-
-        expectKeyword('throw');
-
-        if (peekLineTerminator()) {
-            throwError({}, Messages.NewlineAfterThrow);
-        }
-
-        argument = parseExpression();
-
-        consumeSemicolon();
-
-        return delegate.createThrowStatement(argument);
-    }
-
-    // 12.14 The try statement
-
-    function parseCatchClause() {
-        var param, body, startToken;
-
-        startToken = lookahead;
-        expectKeyword('catch');
-
-        expect('(');
-        if (match(')')) {
-            throwUnexpected(lookahead);
-        }
-
-        param = parseVariableIdentifier();
-        // 12.14.1
-        if (strict && isRestrictedWord(param.name)) {
-            throwErrorTolerant({}, Messages.StrictCatchVariable);
-        }
-
-        expect(')');
-        body = parseBlock();
-        return delegate.markEnd(delegate.createCatchClause(param, body), startToken);
-    }
-
-    function parseTryStatement() {
-        var block, handlers = [], finalizer = null;
-
-        expectKeyword('try');
-
-        block = parseBlock();
-
-        if (matchKeyword('catch')) {
-            handlers.push(parseCatchClause());
-        }
-
-        if (matchKeyword('finally')) {
-            lex();
-            finalizer = parseBlock();
-        }
-
-        if (handlers.length === 0 && !finalizer) {
-            throwError({}, Messages.NoCatchOrFinally);
-        }
-
-        return delegate.createTryStatement(block, [], handlers, finalizer);
-    }
-
-    // 12.15 The debugger statement
-
-    function parseDebuggerStatement() {
-        expectKeyword('debugger');
-
-        consumeSemicolon();
-
-        return delegate.createDebuggerStatement();
-    }
-
-    // 12 Statements
-
-    function parseStatement() {
-        var type = lookahead.type,
-            expr,
-            labeledBody,
-            key,
-            startToken;
-
-        if (type === Token.EOF) {
-            throwUnexpected(lookahead);
-        }
-
-        if (type === Token.Punctuator && lookahead.value === '{') {
-            return parseBlock();
-        }
-
-        startToken = lookahead;
-
-        if (type === Token.Punctuator) {
-            switch (lookahead.value) {
-            case ';':
-                return delegate.markEnd(parseEmptyStatement(), startToken);
-            case '(':
-                return delegate.markEnd(parseExpressionStatement(), startToken);
-            default:
-                break;
-            }
-        }
-
-        if (type === Token.Keyword) {
-            switch (lookahead.value) {
-            case 'break':
-                return delegate.markEnd(parseBreakStatement(), startToken);
-            case 'continue':
-                return delegate.markEnd(parseContinueStatement(), startToken);
-            case 'debugger':
-                return delegate.markEnd(parseDebuggerStatement(), startToken);
-            case 'do':
-                return delegate.markEnd(parseDoWhileStatement(), startToken);
-            case 'for':
-                return delegate.markEnd(parseForStatement(), startToken);
-            case 'function':
-                return delegate.markEnd(parseFunctionDeclaration(), startToken);
-            case 'if':
-                return delegate.markEnd(parseIfStatement(), startToken);
-            case 'return':
-                return delegate.markEnd(parseReturnStatement(), startToken);
-            case 'switch':
-                return delegate.markEnd(parseSwitchStatement(), startToken);
-            case 'throw':
-                return delegate.markEnd(parseThrowStatement(), startToken);
-            case 'try':
-                return delegate.markEnd(parseTryStatement(), startToken);
-            case 'var':
-                return delegate.markEnd(parseVariableStatement(), startToken);
-            case 'while':
-                return delegate.markEnd(parseWhileStatement(), startToken);
-            case 'with':
-                return delegate.markEnd(parseWithStatement(), startToken);
-            default:
-                break;
-            }
-        }
-
-        expr = parseExpression();
-
-        // 12.12 Labelled Statements
-        if ((expr.type === Syntax.Identifier) && match(':')) {
-            lex();
-
-            key = '$' + expr.name;
-            if (Object.prototype.hasOwnProperty.call(state.labelSet, key)) {
-                throwError({}, Messages.Redeclaration, 'Label', expr.name);
-            }
-
-            state.labelSet[key] = true;
-            labeledBody = parseStatement();
-            delete state.labelSet[key];
-            return delegate.markEnd(delegate.createLabeledStatement(expr, labeledBody), startToken);
-        }
-
-        consumeSemicolon();
-
-        return delegate.markEnd(delegate.createExpressionStatement(expr), startToken);
-    }
-
-    // 13 Function Definition
-
-    function parseFunctionSourceElements() {
-        var sourceElement, sourceElements = [], token, directive, firstRestricted,
-            oldLabelSet, oldInIteration, oldInSwitch, oldInFunctionBody, startToken;
-
-        startToken = lookahead;
-        expect('{');
-
-        while (index < length) {
-            if (lookahead.type !== Token.StringLiteral) {
-                break;
-            }
-            token = lookahead;
-
-            sourceElement = parseSourceElement();
-            sourceElements.push(sourceElement);
-            if (sourceElement.expression.type !== Syntax.Literal) {
-                // this is not directive
-                break;
-            }
-            directive = source.slice(token.start + 1, token.end - 1);
-            if (directive === 'use strict') {
-                strict = true;
-                if (firstRestricted) {
-                    throwErrorTolerant(firstRestricted, Messages.StrictOctalLiteral);
-                }
-            } else {
-                if (!firstRestricted && token.octal) {
-                    firstRestricted = token;
-                }
-            }
-        }
-
-        oldLabelSet = state.labelSet;
-        oldInIteration = state.inIteration;
-        oldInSwitch = state.inSwitch;
-        oldInFunctionBody = state.inFunctionBody;
-
-        state.labelSet = {};
-        state.inIteration = false;
-        state.inSwitch = false;
-        state.inFunctionBody = true;
-
-        while (index < length) {
-            if (match('}')) {
-                break;
-            }
-            sourceElement = parseSourceElement();
-            if (typeof sourceElement === 'undefined') {
-                break;
-            }
-            sourceElements.push(sourceElement);
-        }
-
-        expect('}');
-
-        state.labelSet = oldLabelSet;
-        state.inIteration = oldInIteration;
-        state.inSwitch = oldInSwitch;
-        state.inFunctionBody = oldInFunctionBody;
-
-        return delegate.markEnd(delegate.createBlockStatement(sourceElements), startToken);
-    }
-
-    function parseParams(firstRestricted) {
-        var param, params = [], token, stricted, paramSet, key, message;
-        expect('(');
-
-        if (!match(')')) {
-            paramSet = {};
-            while (index < length) {
-                token = lookahead;
-                param = parseVariableIdentifier();
-                key = '$' + token.value;
-                if (strict) {
-                    if (isRestrictedWord(token.value)) {
-                        stricted = token;
-                        message = Messages.StrictParamName;
-                    }
-                    if (Object.prototype.hasOwnProperty.call(paramSet, key)) {
-                        stricted = token;
-                        message = Messages.StrictParamDupe;
-                    }
-                } else if (!firstRestricted) {
-                    if (isRestrictedWord(token.value)) {
-                        firstRestricted = token;
-                        message = Messages.StrictParamName;
-                    } else if (isStrictModeReservedWord(token.value)) {
-                        firstRestricted = token;
-                        message = Messages.StrictReservedWord;
-                    } else if (Object.prototype.hasOwnProperty.call(paramSet, key)) {
-                        firstRestricted = token;
-                        message = Messages.StrictParamDupe;
-                    }
-                }
-                params.push(param);
-                paramSet[key] = true;
-                if (match(')')) {
-                    break;
-                }
-                expect(',');
-            }
-        }
-
-        expect(')');
-
-        return {
-            params: params,
-            stricted: stricted,
-            firstRestricted: firstRestricted,
-            message: message
-        };
-    }
-
-    function parseFunctionDeclaration() {
-        var id, params = [], body, token, stricted, tmp, firstRestricted, message, previousStrict, startToken;
-
-        startToken = lookahead;
-
-        expectKeyword('function');
-        token = lookahead;
-        id = parseVariableIdentifier();
-        if (strict) {
-            if (isRestrictedWord(token.value)) {
-                throwErrorTolerant(token, Messages.StrictFunctionName);
-            }
-        } else {
-            if (isRestrictedWord(token.value)) {
-                firstRestricted = token;
-                message = Messages.StrictFunctionName;
-            } else if (isStrictModeReservedWord(token.value)) {
-                firstRestricted = token;
-                message = Messages.StrictReservedWord;
-            }
-        }
-
-        tmp = parseParams(firstRestricted);
-        params = tmp.params;
-        stricted = tmp.stricted;
-        firstRestricted = tmp.firstRestricted;
-        if (tmp.message) {
-            message = tmp.message;
-        }
-
-        previousStrict = strict;
-        body = parseFunctionSourceElements();
-        if (strict && firstRestricted) {
-            throwError(firstRestricted, message);
-        }
-        if (strict && stricted) {
-            throwErrorTolerant(stricted, message);
-        }
-        strict = previousStrict;
-
-        return delegate.markEnd(delegate.createFunctionDeclaration(id, params, [], body), startToken);
-    }
-
-    function parseFunctionExpression() {
-        var token, id = null, stricted, firstRestricted, message, tmp, params = [], body, previousStrict, startToken;
-
-        startToken = lookahead;
-        expectKeyword('function');
-
-        if (!match('(')) {
-            token = lookahead;
-            id = parseVariableIdentifier();
-            if (strict) {
-                if (isRestrictedWord(token.value)) {
-                    throwErrorTolerant(token, Messages.StrictFunctionName);
-                }
-            } else {
-                if (isRestrictedWord(token.value)) {
-                    firstRestricted = token;
-                    message = Messages.StrictFunctionName;
-                } else if (isStrictModeReservedWord(token.value)) {
-                    firstRestricted = token;
-                    message = Messages.StrictReservedWord;
-                }
-            }
-        }
-
-        tmp = parseParams(firstRestricted);
-        params = tmp.params;
-        stricted = tmp.stricted;
-        firstRestricted = tmp.firstRestricted;
-        if (tmp.message) {
-            message = tmp.message;
-        }
-
-        previousStrict = strict;
-        body = parseFunctionSourceElements();
-        if (strict && firstRestricted) {
-            throwError(firstRestricted, message);
-        }
-        if (strict && stricted) {
-            throwErrorTolerant(stricted, message);
-        }
-        strict = previousStrict;
-
-        return delegate.markEnd(delegate.createFunctionExpression(id, params, [], body), startToken);
-    }
-
-    // 14 Program
-
-    function parseSourceElement() {
-        if (lookahead.type === Token.Keyword) {
-            switch (lookahead.value) {
-            case 'const':
-            case 'let':
-                return parseConstLetDeclaration(lookahead.value);
-            case 'function':
-                return parseFunctionDeclaration();
-            default:
-                return parseStatement();
-            }
-        }
-
-        if (lookahead.type !== Token.EOF) {
-            return parseStatement();
-        }
-    }
-
-    function parseSourceElements() {
-        var sourceElement, sourceElements = [], token, directive, firstRestricted;
-
-        while (index < length) {
-            token = lookahead;
-            if (token.type !== Token.StringLiteral) {
-                break;
-            }
-
-            sourceElement = parseSourceElement();
-            sourceElements.push(sourceElement);
-            if (sourceElement.expression.type !== Syntax.Literal) {
-                // this is not directive
-                break;
-            }
-            directive = source.slice(token.start + 1, token.end - 1);
-            if (directive === 'use strict') {
-                strict = true;
-                if (firstRestricted) {
-                    throwErrorTolerant(firstRestricted, Messages.StrictOctalLiteral);
-                }
-            } else {
-                if (!firstRestricted && token.octal) {
-                    firstRestricted = token;
-                }
-            }
-        }
-
-        while (index < length) {
-            sourceElement = parseSourceElement();
-            /* istanbul ignore if */
-            if (typeof sourceElement === 'undefined') {
-                break;
-            }
-            sourceElements.push(sourceElement);
-        }
-        return sourceElements;
-    }
-
-    function parseProgram() {
-        var body, startToken;
-
-        skipComment();
-        peek();
-        startToken = lookahead;
-        strict = false;
-
-        body = parseSourceElements();
-        return delegate.markEnd(delegate.createProgram(body), startToken);
-    }
-
-    function filterTokenLocation() {
-        var i, entry, token, tokens = [];
-
-        for (i = 0; i < extra.tokens.length; ++i) {
-            entry = extra.tokens[i];
-            token = {
-                type: entry.type,
-                value: entry.value
-            };
-            if (extra.range) {
-                token.range = entry.range;
-            }
-            if (extra.loc) {
-                token.loc = entry.loc;
-            }
-            tokens.push(token);
-        }
-
-        extra.tokens = tokens;
-    }
-
-    function tokenize(code, options) {
-        var toString,
-            token,
-            tokens;
-
-        toString = String;
-        if (typeof code !== 'string' && !(code instanceof String)) {
-            code = toString(code);
-        }
-
-        delegate = SyntaxTreeDelegate;
-        source = code;
-        index = 0;
-        lineNumber = (source.length > 0) ? 1 : 0;
-        lineStart = 0;
-        length = source.length;
-        lookahead = null;
-        state = {
-            allowIn: true,
-            labelSet: {},
-            inFunctionBody: false,
-            inIteration: false,
-            inSwitch: false,
-            lastCommentStart: -1
-        };
-
-        extra = {};
-
-        // Options matching.
-        options = options || {};
-
-        // Of course we collect tokens here.
-        options.tokens = true;
-        extra.tokens = [];
-        extra.tokenize = true;
-        // The following two fields are necessary to compute the Regex tokens.
-        extra.openParenToken = -1;
-        extra.openCurlyToken = -1;
-
-        extra.range = (typeof options.range === 'boolean') && options.range;
-        extra.loc = (typeof options.loc === 'boolean') && options.loc;
-
-        if (typeof options.comment === 'boolean' && options.comment) {
-            extra.comments = [];
-        }
-        if (typeof options.tolerant === 'boolean' && options.tolerant) {
-            extra.errors = [];
-        }
-
-        try {
-            peek();
-            if (lookahead.type === Token.EOF) {
-                return extra.tokens;
-            }
-
-            token = lex();
-            while (lookahead.type !== Token.EOF) {
-                try {
-                    token = lex();
-                } catch (lexError) {
-                    token = lookahead;
-                    if (extra.errors) {
-                        extra.errors.push(lexError);
-                        // We have to break on the first error
-                        // to avoid infinite loops.
-                        break;
-                    } else {
-                        throw lexError;
-                    }
-                }
-            }
-
-            filterTokenLocation();
-            tokens = extra.tokens;
-            if (typeof extra.comments !== 'undefined') {
-                tokens.comments = extra.comments;
-            }
-            if (typeof extra.errors !== 'undefined') {
-                tokens.errors = extra.errors;
-            }
-        } catch (e) {
-            throw e;
-        } finally {
-            extra = {};
-        }
-        return tokens;
-    }
-
-    function parse(code, options) {
-        var program, toString;
-
-        toString = String;
-        if (typeof code !== 'string' && !(code instanceof String)) {
-            code = toString(code);
-        }
-
-        delegate = SyntaxTreeDelegate;
-        source = code;
-        index = 0;
-        lineNumber = (source.length > 0) ? 1 : 0;
-        lineStart = 0;
-        length = source.length;
-        lookahead = null;
-        state = {
-            allowIn: true,
-            labelSet: {},
-            inFunctionBody: false,
-            inIteration: false,
-            inSwitch: false,
-            lastCommentStart: -1
-        };
-
-        extra = {};
-        if (typeof options !== 'undefined') {
-            extra.range = (typeof options.range === 'boolean') && options.range;
-            extra.loc = (typeof options.loc === 'boolean') && options.loc;
-            extra.attachComment = (typeof options.attachComment === 'boolean') && options.attachComment;
-
-            if (extra.loc && options.source !== null && options.source !== undefined) {
-                extra.source = toString(options.source);
-            }
-
-            if (typeof options.tokens === 'boolean' && options.tokens) {
-                extra.tokens = [];
-            }
-            if (typeof options.comment === 'boolean' && options.comment) {
-                extra.comments = [];
-            }
-            if (typeof options.tolerant === 'boolean' && options.tolerant) {
-                extra.errors = [];
-            }
-            if (extra.attachComment) {
-                extra.range = true;
-                extra.comments = [];
-                extra.bottomRightStack = [];
-                extra.trailingComments = [];
-                extra.leadingComments = [];
-            }
-        }
-
-        try {
-            program = parseProgram();
-            if (typeof extra.comments !== 'undefined') {
-                program.comments = extra.comments;
-            }
-            if (typeof extra.tokens !== 'undefined') {
-                filterTokenLocation();
-                program.tokens = extra.tokens;
-            }
-            if (typeof extra.errors !== 'undefined') {
-                program.errors = extra.errors;
-            }
-        } catch (e) {
-            throw e;
-        } finally {
-            extra = {};
-        }
-
-        return program;
-    }
-
-    // Sync with *.json manifests.
-    exports.version = '1.2.2';
-
-    exports.tokenize = tokenize;
-
-    exports.parse = parse;
-
-    // Deep copy.
-   /* istanbul ignore next */
-    exports.Syntax = (function () {
-        var name, types = {};
-
-        if (typeof Object.create === 'function') {
-            types = Object.create(null);
-        }
-
-        for (name in Syntax) {
-            if (Syntax.hasOwnProperty(name)) {
-                types[name] = Syntax[name];
-            }
-        }
-
-        if (typeof Object.freeze === 'function') {
-            Object.freeze(types);
-        }
-
-        return types;
-    }());
-
-}));
-/* vim: set sw=4 ts=4 et tw=80 : */
-
-},{}],7:[function(require,module,exports){
-/*
-  Copyright (C) 2012-2013 Yusuke Suzuki <utatane.tea@gmail.com>
-  Copyright (C) 2012 Ariya Hidayat <ariya.hidayat@gmail.com>
-
-  Redistribution and use in source and binary forms, with or without
-  modification, are permitted provided that the following conditions are met:
-
-    * Redistributions of source code must retain the above copyright
-      notice, this list of conditions and the following disclaimer.
-    * Redistributions in binary form must reproduce the above copyright
-      notice, this list of conditions and the following disclaimer in the
-      documentation and/or other materials provided with the distribution.
-
-  THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
-  AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
-  IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
-  ARE DISCLAIMED. IN NO EVENT SHALL <COPYRIGHT HOLDER> BE LIABLE FOR ANY
-  DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
-  (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
-  LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
-  ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
-  (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
-  THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
-*/
-/*jslint vars:false, bitwise:true*/
-/*jshint indent:4*/
-/*global exports:true, define:true*/
-(function (root, factory) {
-    'use strict';
-
-    // Universal Module Definition (UMD) to support AMD, CommonJS/Node.js,
-    // and plain browser loading,
-    if (typeof define === 'function' && define.amd) {
-        define(['exports'], factory);
-    } else if (typeof exports !== 'undefined') {
-        factory(exports);
-    } else {
-        factory((root.estraverse = {}));
-    }
-}(this, function (exports) {
-    'use strict';
-
-    var Syntax,
-        isArray,
-        VisitorOption,
-        VisitorKeys,
-        BREAK,
-        SKIP;
-
-    Syntax = {
-        AssignmentExpression: 'AssignmentExpression',
-        ArrayExpression: 'ArrayExpression',
-        ArrayPattern: 'ArrayPattern',
-        ArrowFunctionExpression: 'ArrowFunctionExpression',
-        BlockStatement: 'BlockStatement',
-        BinaryExpression: 'BinaryExpression',
-        BreakStatement: 'BreakStatement',
-        CallExpression: 'CallExpression',
-        CatchClause: 'CatchClause',
-        ClassBody: 'ClassBody',
-        ClassDeclaration: 'ClassDeclaration',
-        ClassExpression: 'ClassExpression',
-        ConditionalExpression: 'ConditionalExpression',
-        ContinueStatement: 'ContinueStatement',
-        DebuggerStatement: 'DebuggerStatement',
-        DirectiveStatement: 'DirectiveStatement',
-        DoWhileStatement: 'DoWhileStatement',
-        EmptyStatement: 'EmptyStatement',
-        ExpressionStatement: 'ExpressionStatement',
-        ForStatement: 'ForStatement',
-        ForInStatement: 'ForInStatement',
-        FunctionDeclaration: 'FunctionDeclaration',
-        FunctionExpression: 'FunctionExpression',
-        Identifier: 'Identifier',
-        IfStatement: 'IfStatement',
-        Literal: 'Literal',
-        LabeledStatement: 'LabeledStatement',
-        LogicalExpression: 'LogicalExpression',
-        MemberExpression: 'MemberExpression',
-        MethodDefinition: 'MethodDefinition',
-        NewExpression: 'NewExpression',
-        ObjectExpression: 'ObjectExpression',
-        ObjectPattern: 'ObjectPattern',
-        Program: 'Program',
-        Property: 'Property',
-        ReturnStatement: 'ReturnStatement',
-        SequenceExpression: 'SequenceExpression',
-        SwitchStatement: 'SwitchStatement',
-        SwitchCase: 'SwitchCase',
-        ThisExpression: 'ThisExpression',
-        ThrowStatement: 'ThrowStatement',
-        TryStatement: 'TryStatement',
-        UnaryExpression: 'UnaryExpression',
-        UpdateExpression: 'UpdateExpression',
-        VariableDeclaration: 'VariableDeclaration',
-        VariableDeclarator: 'VariableDeclarator',
-        WhileStatement: 'WhileStatement',
-        WithStatement: 'WithStatement',
-        YieldExpression: 'YieldExpression'
-    };
-
-    function ignoreJSHintError() { }
-
-    isArray = Array.isArray;
-    if (!isArray) {
-        isArray = function isArray(array) {
-            return Object.prototype.toString.call(array) === '[object Array]';
-        };
-    }
-
-    function deepCopy(obj) {
-        var ret = {}, key, val;
-        for (key in obj) {
-            if (obj.hasOwnProperty(key)) {
-                val = obj[key];
-                if (typeof val === 'object' && val !== null) {
-                    ret[key] = deepCopy(val);
-                } else {
-                    ret[key] = val;
-                }
-            }
-        }
-        return ret;
-    }
-
-    function shallowCopy(obj) {
-        var ret = {}, key;
-        for (key in obj) {
-            if (obj.hasOwnProperty(key)) {
-                ret[key] = obj[key];
-            }
-        }
-        return ret;
-    }
-    ignoreJSHintError(shallowCopy);
-
-    // based on LLVM libc++ upper_bound / lower_bound
-    // MIT License
-
-    function upperBound(array, func) {
-        var diff, len, i, current;
-
-        len = array.length;
-        i = 0;
-
-        while (len) {
-            diff = len >>> 1;
-            current = i + diff;
-            if (func(array[current])) {
-                len = diff;
-            } else {
-                i = current + 1;
-                len -= diff + 1;
-            }
-        }
-        return i;
-    }
-
-    function lowerBound(array, func) {
-        var diff, len, i, current;
-
-        len = array.length;
-        i = 0;
-
-        while (len) {
-            diff = len >>> 1;
-            current = i + diff;
-            if (func(array[current])) {
-                i = current + 1;
-                len -= diff + 1;
-            } else {
-                len = diff;
-            }
-        }
-        return i;
-    }
-    ignoreJSHintError(lowerBound);
-
-    VisitorKeys = {
-        AssignmentExpression: ['left', 'right'],
-        ArrayExpression: ['elements'],
-        ArrayPattern: ['elements'],
-        ArrowFunctionExpression: ['params', 'defaults', 'rest', 'body'],
-        BlockStatement: ['body'],
-        BinaryExpression: ['left', 'right'],
-        BreakStatement: ['label'],
-        CallExpression: ['callee', 'arguments'],
-        CatchClause: ['param', 'body'],
-        ClassBody: ['body'],
-        ClassDeclaration: ['id', 'body', 'superClass'],
-        ClassExpression: ['id', 'body', 'superClass'],
-        ConditionalExpression: ['test', 'consequent', 'alternate'],
-        ContinueStatement: ['label'],
-        DebuggerStatement: [],
-        DirectiveStatement: [],
-        DoWhileStatement: ['body', 'test'],
-        EmptyStatement: [],
-        ExpressionStatement: ['expression'],
-        ForStatement: ['init', 'test', 'update', 'body'],
-        ForInStatement: ['left', 'right', 'body'],
-        ForOfStatement: ['left', 'right', 'body'],
-        FunctionDeclaration: ['id', 'params', 'defaults', 'rest', 'body'],
-        FunctionExpression: ['id', 'params', 'defaults', 'rest', 'body'],
-        Identifier: [],
-        IfStatement: ['test', 'consequent', 'alternate'],
-        Literal: [],
-        LabeledStatement: ['label', 'body'],
-        LogicalExpression: ['left', 'right'],
-        MemberExpression: ['object', 'property'],
-        MethodDefinition: ['key', 'value'],
-        NewExpression: ['callee', 'arguments'],
-        ObjectExpression: ['properties'],
-        ObjectPattern: ['properties'],
-        Program: ['body'],
-        Property: ['key', 'value'],
-        ReturnStatement: ['argument'],
-        SequenceExpression: ['expressions'],
-        SwitchStatement: ['discriminant', 'cases'],
-        SwitchCase: ['test', 'consequent'],
-        ThisExpression: [],
-        ThrowStatement: ['argument'],
-        TryStatement: ['block', 'handlers', 'handler', 'guardedHandlers', 'finalizer'],
-        UnaryExpression: ['argument'],
-        UpdateExpression: ['argument'],
-        VariableDeclaration: ['declarations'],
-        VariableDeclarator: ['id', 'init'],
-        WhileStatement: ['test', 'body'],
-        WithStatement: ['object', 'body'],
-        YieldExpression: ['argument']
-    };
-
-    // unique id
-    BREAK = {};
-    SKIP = {};
-
-    VisitorOption = {
-        Break: BREAK,
-        Skip: SKIP
-    };
-
-    function Reference(parent, key) {
-        this.parent = parent;
-        this.key = key;
-    }
-
-    Reference.prototype.replace = function replace(node) {
-        this.parent[this.key] = node;
-    };
-
-    function Element(node, path, wrap, ref) {
-        this.node = node;
-        this.path = path;
-        this.wrap = wrap;
-        this.ref = ref;
-    }
-
-    function Controller() { }
-
-    // API:
-    // return property path array from root to current node
-    Controller.prototype.path = function path() {
-        var i, iz, j, jz, result, element;
-
-        function addToPath(result, path) {
-            if (isArray(path)) {
-                for (j = 0, jz = path.length; j < jz; ++j) {
-                    result.push(path[j]);
-                }
-            } else {
-                result.push(path);
-            }
-        }
-
-        // root node
-        if (!this.__current.path) {
-            return null;
-        }
-
-        // first node is sentinel, second node is root element
-        result = [];
-        for (i = 2, iz = this.__leavelist.length; i < iz; ++i) {
-            element = this.__leavelist[i];
-            addToPath(result, element.path);
-        }
-        addToPath(result, this.__current.path);
-        return result;
-    };
-
-    // API:
-    // return array of parent elements
-    Controller.prototype.parents = function parents() {
-        var i, iz, result;
-
-        // first node is sentinel
-        result = [];
-        for (i = 1, iz = this.__leavelist.length; i < iz; ++i) {
-            result.push(this.__leavelist[i].node);
-        }
-
-        return result;
-    };
-
-    // API:
-    // return current node
-    Controller.prototype.current = function current() {
-        return this.__current.node;
-    };
-
-    Controller.prototype.__execute = function __execute(callback, element) {
-        var previous, result;
-
-        result = undefined;
-
-        previous  = this.__current;
-        this.__current = element;
-        this.__state = null;
-        if (callback) {
-            result = callback.call(this, element.node, this.__leavelist[this.__leavelist.length - 1].node);
-        }
-        this.__current = previous;
-
-        return result;
-    };
-
-    // API:
-    // notify control skip / break
-    Controller.prototype.notify = function notify(flag) {
-        this.__state = flag;
-    };
-
-    // API:
-    // skip child nodes of current node
-    Controller.prototype.skip = function () {
-        this.notify(SKIP);
-    };
-
-    // API:
-    // break traversals
-    Controller.prototype['break'] = function () {
-        this.notify(BREAK);
-    };
-
-    Controller.prototype.__initialize = function(root, visitor) {
-        this.visitor = visitor;
-        this.root = root;
-        this.__worklist = [];
-        this.__leavelist = [];
-        this.__current = null;
-        this.__state = null;
-    };
-
-    Controller.prototype.traverse = function traverse(root, visitor) {
-        var worklist,
-            leavelist,
-            element,
-            node,
-            nodeType,
-            ret,
-            key,
-            current,
-            current2,
-            candidates,
-            candidate,
-            sentinel;
-
-        this.__initialize(root, visitor);
-
-        sentinel = {};
-
-        // reference
-        worklist = this.__worklist;
-        leavelist = this.__leavelist;
-
-        // initialize
-        worklist.push(new Element(root, null, null, null));
-        leavelist.push(new Element(null, null, null, null));
-
-        while (worklist.length) {
-            element = worklist.pop();
-
-            if (element === sentinel) {
-                element = leavelist.pop();
-
-                ret = this.__execute(visitor.leave, element);
-
-                if (this.__state === BREAK || ret === BREAK) {
-                    return;
-                }
-                continue;
-            }
-
-            if (element.node) {
-
-                ret = this.__execute(visitor.enter, element);
-
-                if (this.__state === BREAK || ret === BREAK) {
-                    return;
-                }
-
-                worklist.push(sentinel);
-                leavelist.push(element);
-
-                if (this.__state === SKIP || ret === SKIP) {
-                    continue;
-                }
-
-                node = element.node;
-                nodeType = element.wrap || node.type;
-                candidates = VisitorKeys[nodeType];
-
-                current = candidates.length;
-                while ((current -= 1) >= 0) {
-                    key = candidates[current];
-                    candidate = node[key];
-                    if (!candidate) {
-                        continue;
-                    }
-
-                    if (!isArray(candidate)) {
-                        worklist.push(new Element(candidate, key, null, null));
-                        continue;
-                    }
-
-                    current2 = candidate.length;
-                    while ((current2 -= 1) >= 0) {
-                        if (!candidate[current2]) {
-                            continue;
-                        }
-                        if ((nodeType === Syntax.ObjectExpression || nodeType === Syntax.ObjectPattern) && 'properties' === candidates[current]) {
-                            element = new Element(candidate[current2], [key, current2], 'Property', null);
-                        } else {
-                            element = new Element(candidate[current2], [key, current2], null, null);
-                        }
-                        worklist.push(element);
-                    }
-                }
-            }
-        }
-    };
-
-    Controller.prototype.replace = function replace(root, visitor) {
-        var worklist,
-            leavelist,
-            node,
-            nodeType,
-            target,
-            element,
-            current,
-            current2,
-            candidates,
-            candidate,
-            sentinel,
-            outer,
-            key;
-
-        this.__initialize(root, visitor);
-
-        sentinel = {};
-
-        // reference
-        worklist = this.__worklist;
-        leavelist = this.__leavelist;
-
-        // initialize
-        outer = {
-            root: root
-        };
-        element = new Element(root, null, null, new Reference(outer, 'root'));
-        worklist.push(element);
-        leavelist.push(element);
-
-        while (worklist.length) {
-            element = worklist.pop();
-
-            if (element === sentinel) {
-                element = leavelist.pop();
-
-                target = this.__execute(visitor.leave, element);
-
-                // node may be replaced with null,
-                // so distinguish between undefined and null in this place
-                if (target !== undefined && target !== BREAK && target !== SKIP) {
-                    // replace
-                    element.ref.replace(target);
-                }
-
-                if (this.__state === BREAK || target === BREAK) {
-                    return outer.root;
-                }
-                continue;
-            }
-
-            target = this.__execute(visitor.enter, element);
-
-            // node may be replaced with null,
-            // so distinguish between undefined and null in this place
-            if (target !== undefined && target !== BREAK && target !== SKIP) {
-                // replace
-                element.ref.replace(target);
-                element.node = target;
-            }
-
-            if (this.__state === BREAK || target === BREAK) {
-                return outer.root;
-            }
-
-            // node may be null
-            node = element.node;
-            if (!node) {
-                continue;
-            }
-
-            worklist.push(sentinel);
-            leavelist.push(element);
-
-            if (this.__state === SKIP || target === SKIP) {
-                continue;
-            }
-
-            nodeType = element.wrap || node.type;
-            candidates = VisitorKeys[nodeType];
-
-            current = candidates.length;
-            while ((current -= 1) >= 0) {
-                key = candidates[current];
-                candidate = node[key];
-                if (!candidate) {
-                    continue;
-                }
-
-                if (!isArray(candidate)) {
-                    worklist.push(new Element(candidate, key, null, new Reference(node, key)));
-                    continue;
-                }
-
-                current2 = candidate.length;
-                while ((current2 -= 1) >= 0)&nbs