6to5-core
Version:
2 lines • 837 kB
JavaScript
!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.to5=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){(function(root,mod){if(typeof exports=="object"&&typeof module=="object")return mod(exports);if(typeof define=="function"&&define.amd)return define(["exports"],mod);mod(root.acorn||(root.acorn={}))})(this,function(exports){"use strict";exports.version="0.11.1";var options,input,inputLen,sourceFile;exports.parse=function(inpt,opts){input=String(inpt);inputLen=input.length;setOptions(opts);initTokenState();var startPos=options.locations?[tokPos,curPosition()]:tokPos;initParserState();if(options.strictMode){strict=true}return parseTopLevel(options.program||startNodeAt(startPos))};var defaultOptions=exports.defaultOptions={strictMode:false,playground:false,ecmaVersion:5,strictSemicolons:false,allowTrailingCommas:true,forbidReserved:false,allowReturnOutsideFunction:false,allowImportExportEverywhere:false,allowHashBang:false,locations:false,onToken:null,onComment:null,ranges:false,program:null,sourceFile:null,directSourceFile:null,preserveParens:false};exports.parseExpressionAt=function(inpt,pos,opts){input=String(inpt);inputLen=input.length;setOptions(opts);initTokenState(pos);initParserState();return parseExpression()};var isArray=function(obj){return Object.prototype.toString.call(obj)==="[object Array]"};function setOptions(opts){options={};for(var opt in defaultOptions)options[opt]=opts&&has(opts,opt)?opts[opt]:defaultOptions[opt];sourceFile=options.sourceFile||null;if(isArray(options.onToken)){var tokens=options.onToken;options.onToken=function(token){tokens.push(token)}}if(isArray(options.onComment)){var comments=options.onComment;options.onComment=function(block,text,start,end,startLoc,endLoc){var comment={type:block?"Block":"Line",value:text,start:start,end:end};if(options.locations){comment.loc=new SourceLocation;comment.loc.start=startLoc;comment.loc.end=endLoc}if(options.ranges)comment.range=[start,end];comments.push(comment)}}if(options.ecmaVersion>=6){isKeyword=isEcma6Keyword}else{isKeyword=isEcma5AndLessKeyword}}var getLineInfo=exports.getLineInfo=function(input,offset){for(var line=1,cur=0;;){lineBreak.lastIndex=cur;var match=lineBreak.exec(input);if(match&&match.index<offset){++line;cur=match.index+match[0].length}else break}return{line:line,column:offset-cur}};function Token(){this.type=tokType;this.value=tokVal;this.start=tokStart;this.end=tokEnd;if(options.locations){this.loc=new SourceLocation;this.loc.end=tokEndLoc}if(options.ranges)this.range=[tokStart,tokEnd]}exports.Token=Token;exports.tokenize=function(inpt,opts){input=String(inpt);inputLen=input.length;setOptions(opts);initTokenState();skipSpace();function getToken(){lastEnd=tokEnd;readToken();return new Token}getToken.jumpTo=function(pos,exprAllowed){tokPos=pos;if(options.locations){tokCurLine=1;tokLineStart=lineBreak.lastIndex=0;var match;while((match=lineBreak.exec(input))&&match.index<pos){++tokCurLine;tokLineStart=match.index+match[0].length}}tokExprAllowed=!!exprAllowed;skipSpace()};getToken.current=function(){return new Token};if(typeof Symbol!=="undefined"){getToken[Symbol.iterator]=function(){return{next:function(){var token=getToken();return{done:token.type===_eof,value:token}}}}}getToken.options=options;return getToken};var tokPos;var tokStart,tokEnd;var tokStartLoc,tokEndLoc;var tokType,tokVal;var tokContext,tokExprAllowed;var tokCurLine,tokLineStart;var lastStart,lastEnd,lastEndLoc;var inFunction,inGenerator,inAsync,labels,strict,inXJSChild,inXJSTag,inType;function initParserState(){lastStart=lastEnd=tokPos;if(options.locations)lastEndLoc=curPosition();inFunction=inGenerator=inAsync=false;labels=[];skipSpace();readToken()}function raise(pos,message){var loc=getLineInfo(input,pos);message+=" ("+loc.line+":"+loc.column+")";var err=new SyntaxError(message);err.pos=pos;err.loc=loc;err.raisedAt=tokPos;throw err}var empty=[];var _num={type:"num"},_regexp={type:"regexp"},_string={type:"string"};var _name={type:"name"},_eof={type:"eof"};var _jsxName={type:"jsxName"};var _xjsName={type:"xjsName"},_xjsText={type:"xjsText"};var _break={keyword:"break"},_case={keyword:"case",beforeExpr:true},_catch={keyword:"catch"};var _continue={keyword:"continue"},_debugger={keyword:"debugger"},_default={keyword:"default"};var _do={keyword:"do",isLoop:true},_else={keyword:"else",beforeExpr:true};var _finally={keyword:"finally"},_for={keyword:"for",isLoop:true},_function={keyword:"function"};var _if={keyword:"if"},_return={keyword:"return",beforeExpr:true},_switch={keyword:"switch"};var _throw={keyword:"throw",beforeExpr:true},_try={keyword:"try"},_var={keyword:"var"};var _let={keyword:"let"},_const={keyword:"const"};var _while={keyword:"while",isLoop:true},_with={keyword:"with"},_new={keyword:"new",beforeExpr:true};var _this={keyword:"this"};var _class={keyword:"class"},_extends={keyword:"extends",beforeExpr:true};var _export={keyword:"export"},_import={keyword:"import"};var _yield={keyword:"yield",beforeExpr:true};var _null={keyword:"null",atomValue:null},_true={keyword:"true",atomValue:true};var _false={keyword:"false",atomValue:false};var _in={keyword:"in",binop:7,beforeExpr:true};var keywordTypes={"break":_break,"case":_case,"catch":_catch,"continue":_continue,"debugger":_debugger,"default":_default,"do":_do,"else":_else,"finally":_finally,"for":_for,"function":_function,"if":_if,"return":_return,"switch":_switch,"throw":_throw,"try":_try,"var":_var,let:_let,"const":_const,"while":_while,"with":_with,"null":_null,"true":_true,"false":_false,"new":_new,"in":_in,"instanceof":{keyword:"instanceof",binop:7,beforeExpr:true},"this":_this,"typeof":{keyword:"typeof",prefix:true,beforeExpr:true},"void":{keyword:"void",prefix:true,beforeExpr:true},"delete":{keyword:"delete",prefix:true,beforeExpr:true},"class":_class,"extends":_extends,"export":_export,"import":_import,"yield":_yield};var _bracketL={type:"[",beforeExpr:true},_bracketR={type:"]"},_braceL={type:"{",beforeExpr:true};var _braceR={type:"}"},_parenL={type:"(",beforeExpr:true},_parenR={type:")"};var _comma={type:",",beforeExpr:true},_semi={type:";",beforeExpr:true};var _colon={type:":",beforeExpr:true},_dot={type:"."},_question={type:"?",beforeExpr:true};var _arrow={type:"=>",beforeExpr:true},_template={type:"template"};var _ellipsis={type:"...",beforeExpr:true};var _backQuote={type:"`"},_dollarBraceL={type:"${",beforeExpr:true};var _jsxText={type:"jsxText"};var _paamayimNekudotayim={type:"::",beforeExpr:true};var _at={type:"@"};var _hash={type:"#"};var _slash={binop:10,beforeExpr:true},_eq={isAssign:true,beforeExpr:true};var _assign={isAssign:true,beforeExpr:true};var _incDec={postfix:true,prefix:true,isUpdate:true},_prefix={prefix:true,beforeExpr:true};var _logicalOR={binop:1,beforeExpr:true};var _logicalAND={binop:2,beforeExpr:true};var _bitwiseOR={binop:3,beforeExpr:true};var _bitwiseXOR={binop:4,beforeExpr:true};var _bitwiseAND={binop:5,beforeExpr:true};var _equality={binop:6,beforeExpr:true};var _relational={binop:7,beforeExpr:true};var _bitShift={binop:8,beforeExpr:true};var _plusMin={binop:9,prefix:true,beforeExpr:true};var _modulo={binop:10,beforeExpr:true};var _star={binop:10,beforeExpr:true};var _exponent={binop:11,beforeExpr:true,rightAssociative:true};var _jsxTagStart={type:"jsxTagStart"},_jsxTagEnd={type:"jsxTagEnd"};exports.tokTypes={bracketL:_bracketL,bracketR:_bracketR,braceL:_braceL,braceR:_braceR,parenL:_parenL,parenR:_parenR,comma:_comma,semi:_semi,colon:_colon,dot:_dot,ellipsis:_ellipsis,question:_question,slash:_slash,eq:_eq,name:_name,eof:_eof,num:_num,regexp:_regexp,string:_string,paamayimNekudotayim:_paamayimNekudotayim,exponent:_exponent,at:_at,hash:_hash,arrow:_arrow,template:_template,star:_star,assign:_assign,backQuote:_backQuote,dollarBraceL:_dollarBraceL};for(var kw in keywordTypes)exports.tokTypes["_"+kw]=keywordTypes[kw];var isReservedWord3=function anonymous(str){switch(str.length){case 6:switch(str){case"double":case"export":case"import":case"native":case"public":case"static":case"throws":return true}return false;case 4:switch(str){case"byte":case"char":case"enum":case"goto":case"long":return true}return false;case 5:switch(str){case"class":case"final":case"float":case"short":case"super":return true}return false;case 7:switch(str){case"boolean":case"extends":case"package":case"private":return true}return false;case 9:switch(str){case"interface":case"protected":case"transient":return true}return false;case 8:switch(str){case"abstract":case"volatile":return true}return false;case 10:return str==="implements";case 3:return str==="int";case 12:return str==="synchronized"}};var isReservedWord5=function anonymous(str){switch(str.length){case 5:switch(str){case"class":case"super":case"const":return true}return false;case 6:switch(str){case"export":case"import":return true}return false;case 4:return str==="enum";case 7:return str==="extends"}};var isStrictReservedWord=function anonymous(str){switch(str.length){case 9:switch(str){case"interface":case"protected":return true}return false;case 7:switch(str){case"package":case"private":return true}return false;case 6:switch(str){case"public":case"static":return true}return false;case 10:return str==="implements";case 3:return str==="let";case 5:return str==="yield"}};var isStrictBadIdWord=function anonymous(str){switch(str){case"eval":case"arguments":return true}return false};var ecma5AndLessKeywords="break case catch continue debugger default do else finally for function if return switch throw try var while with null true false instanceof typeof void delete new in this";var isEcma5AndLessKeyword=function anonymous(str){switch(str.length){case 4:switch(str){case"case":case"else":case"with":case"null":case"true":case"void":case"this":return true}return false;case 5:switch(str){case"break":case"catch":case"throw":case"while":case"false":return true}return false;case 3:switch(str){case"for":case"try":case"var":case"new":return true}return false;case 6:switch(str){case"return":case"switch":case"typeof":case"delete":return true}return false;case 8:switch(str){case"continue":case"debugger":case"function":return true}return false;case 2:switch(str){case"do":case"if":case"in":return true}return false;case 7:switch(str){case"default":case"finally":return true}return false;case 10:return str==="instanceof"}};var ecma6AndLessKeywords=ecma5AndLessKeywords+" let const class extends export import yield";var isEcma6Keyword=function anonymous(str){switch(str.length){case 5:switch(str){case"break":case"catch":case"throw":case"while":case"false":case"const":case"class":case"yield":return true}return false;case 4:switch(str){case"case":case"else":case"with":case"null":case"true":case"void":case"this":return true}return false;case 6:switch(str){case"return":case"switch":case"typeof":case"delete":case"export":case"import":return true}return false;case 3:switch(str){case"for":case"try":case"var":case"new":case"let":return true}return false;case 8:switch(str){case"continue":case"debugger":case"function":return true}return false;case 7:switch(str){case"default":case"finally":case"extends":return true}return false;case 2:switch(str){case"do":case"if":case"in":return true}return false;case 10:return str==="instanceof"}};var isKeyword=isEcma5AndLessKeyword;var nonASCIIwhitespace=/[\u1680\u180e\u2000-\u200a\u202f\u205f\u3000\ufeff]/;var nonASCIIidentifierStartChars="ªµºÀ-ÖØ-öø-ˁˆ-ˑˠ-ˤˬˮͰ-ʹͶͷͺ-ͽͿΆΈ-ΊΌΎ-ΡΣ-ϵϷ-ҁҊ-ԯԱ-Ֆՙա-ևא-תװ-ײؠ-يٮٯٱ-ۓەۥۦۮۯۺ-ۼۿܐܒ-ܯݍ-ޥޱߊ-ߪߴߵߺࠀ-ࠕࠚࠤࠨࡀ-ࡘࢠ-ࢲऄ-हऽॐक़-ॡॱ-ঀঅ-ঌএঐও-নপ-রলশ-হঽৎড়ঢ়য়-ৡৰৱਅ-ਊਏਐਓ-ਨਪ-ਰਲਲ਼ਵਸ਼ਸਹਖ਼-ੜਫ਼ੲ-ੴઅ-ઍએ-ઑઓ-નપ-રલળવ-હઽૐૠૡଅ-ଌଏଐଓ-ନପ-ରଲଳଵ-ହଽଡ଼ଢ଼ୟ-ୡୱஃஅ-ஊஎ-ஐஒ-கஙசஜஞடணதந-பம-ஹௐఅ-ఌఎ-ఐఒ-నప-హఽౘౙౠౡಅ-ಌಎ-ಐಒ-ನಪ-ಳವ-ಹಽೞೠೡೱೲഅ-ഌഎ-ഐഒ-ഺഽൎൠൡൺ-ൿඅ-ඖක-නඳ-රලව-ෆก-ะาำเ-ๆກຂຄງຈຊຍດ-ທນ-ຟມ-ຣລວສຫອ-ະາຳຽເ-ໄໆໜ-ໟༀཀ-ཇཉ-ཬྈ-ྌက-ဪဿၐ-ၕၚ-ၝၡၥၦၮ-ၰၵ-ႁႎႠ-ჅჇჍა-ჺჼ-ቈቊ-ቍቐ-ቖቘቚ-ቝበ-ኈኊ-ኍነ-ኰኲ-ኵኸ-ኾዀዂ-ዅወ-ዖዘ-ጐጒ-ጕጘ-ፚᎀ-ᎏᎠ-Ᏼᐁ-ᙬᙯ-ᙿᚁ-ᚚᚠ-ᛪᛮ-ᛸᜀ-ᜌᜎ-ᜑᜠ-ᜱᝀ-ᝑᝠ-ᝬᝮ-ᝰក-ឳៗៜᠠ-ᡷᢀ-ᢨᢪᢰ-ᣵᤀ-ᤞᥐ-ᥭᥰ-ᥴᦀ-ᦫᧁ-ᧇᨀ-ᨖᨠ-ᩔᪧᬅ-ᬳᭅ-ᭋᮃ-ᮠᮮᮯᮺ-ᯥᰀ-ᰣᱍ-ᱏᱚ-ᱽᳩ-ᳬᳮ-ᳱᳵᳶᴀ-ᶿḀ-ἕἘ-Ἕἠ-ὅὈ-Ὅὐ-ὗὙὛὝὟ-ώᾀ-ᾴᾶ-ᾼιῂ-ῄῆ-ῌῐ-ΐῖ-Ίῠ-Ῥῲ-ῴῶ-ῼⁱⁿₐ-ₜℂℇℊ-ℓℕℙ-ℝℤΩℨK-ℭℯ-ℹℼ-ℿⅅ-ⅉⅎⅠ-ↈⰀ-Ⱞⰰ-ⱞⱠ-ⳤⳫ-ⳮⳲⳳⴀ-ⴥⴧⴭⴰ-ⵧⵯⶀ-ⶖⶠ-ⶦⶨ-ⶮⶰ-ⶶⶸ-ⶾⷀ-ⷆⷈ-ⷎⷐ-ⷖⷘ-ⷞⸯ々-〇〡-〩〱-〵〸-〼ぁ-ゖゝ-ゟァ-ヺー-ヿㄅ-ㄭㄱ-ㆎㆠ-ㆺㇰ-ㇿ㐀-䶵一-鿌ꀀ-ꒌꓐ-ꓽꔀ-ꘌꘐ-ꘟꘪꘫꙀ-ꙮꙿ-ꚝꚠ-ꛯꜗ-ꜟꜢ-ꞈꞋ-ꞎꞐ-ꞭꞰꞱꟷ-ꠁꠃ-ꠅꠇ-ꠊꠌ-ꠢꡀ-ꡳꢂ-ꢳꣲ-ꣷꣻꤊ-ꤥꤰ-ꥆꥠ-ꥼꦄ-ꦲꧏꧠ-ꧤꧦ-ꧯꧺ-ꧾꨀ-ꨨꩀ-ꩂꩄ-ꩋꩠ-ꩶꩺꩾ-ꪯꪱꪵꪶꪹ-ꪽꫀꫂꫛ-ꫝꫠ-ꫪꫲ-ꫴꬁ-ꬆꬉ-ꬎꬑ-ꬖꬠ-ꬦꬨ-ꬮꬰ-ꭚꭜ-ꭟꭤꭥꯀ-ꯢ가-힣ힰ-ퟆퟋ-ퟻ豈-舘並-龎ff-stﬓ-ﬗיִײַ-ﬨשׁ-זּטּ-לּמּנּסּףּפּצּ-ﮱﯓ-ﴽﵐ-ﶏﶒ-ﷇﷰ-ﷻﹰ-ﹴﹶ-ﻼＡ-Ｚａ-ｚｦ-ﾾￂ-ￇￊ-ￏￒ-ￗￚ-ￜ";var nonASCIIidentifierChars="̀-ͯ҃-֑҇-ׇֽֿׁׂׅׄؐ-ًؚ-٩ٰۖ-ۜ۟-۪ۤۧۨ-ۭ۰-۹ܑܰ-݊ަ-ް߀-߉߫-߳ࠖ-࠙ࠛ-ࠣࠥ-ࠧࠩ-࡙࠭-࡛ࣤ-ःऺ-़ा-ॏ॑-ॗॢॣ०-९ঁ-ঃ়া-ৄেৈো-্ৗৢৣ০-৯ਁ-ਃ਼ਾ-ੂੇੈੋ-੍ੑ੦-ੱੵઁ-ઃ઼ા-ૅે-ૉો-્ૢૣ૦-૯ଁ-ଃ଼ା-ୄେୈୋ-୍ୖୗୢୣ୦-୯ஂா-ூெ-ைொ-்ௗ௦-௯ఀ-ఃా-ౄె-ైొ-్ౕౖౢౣ౦-౯ಁ-ಃ಼ಾ-ೄೆ-ೈೊ-್ೕೖೢೣ೦-೯ഁ-ഃാ-ൄെ-ൈൊ-്ൗൢൣ൦-൯ංඃ්ා-ුූෘ-ෟ෦-෯ෲෳัิ-ฺ็-๎๐-๙ັິ-ູົຼ່-ໍ໐-໙༘༙༠-༩༹༵༷༾༿ཱ-྄྆྇ྍ-ྗྙ-ྼ࿆ါ-ှ၀-၉ၖ-ၙၞ-ၠၢ-ၤၧ-ၭၱ-ၴႂ-ႍႏ-ႝ፝-፟ᜒ-᜔ᜲ-᜴ᝒᝓᝲᝳ឴-៓៝០-៩᠋-᠍᠐-᠙ᢩᤠ-ᤫᤰ-᤻᥆-᥏ᦰ-ᧀᧈᧉ᧐-᧙ᨗ-ᨛᩕ-ᩞ᩠-᩿᩼-᪉᪐-᪙᪰-᪽ᬀ-ᬄ᬴-᭄᭐-᭙᭫-᭳ᮀ-ᮂᮡ-ᮭ᮰-᮹᯦-᯳ᰤ-᰷᱀-᱉᱐-᱙᳐-᳔᳒-᳨᳭ᳲ-᳴᳸᳹᷀-᷵᷼-᷿‿⁀⁔⃐-⃥⃜⃡-⃰⳯-⵿⳱ⷠ-〪ⷿ-゙゚〯꘠-꘩꙯ꙴ-꙽ꚟ꛰꛱ꠂ꠆ꠋꠣ-ꠧꢀꢁꢴ-꣄꣐-꣙꣠-꣱꤀-꤉ꤦ-꤭ꥇ-꥓ꦀ-ꦃ꦳-꧀꧐-꧙ꧥ꧰-꧹ꨩ-ꨶꩃꩌꩍ꩐-꩙ꩻ-ꩽꪰꪲ-ꪴꪷꪸꪾ꪿꫁ꫫ-ꫯꫵ꫶ꯣ-ꯪ꯬꯭꯰-꯹ﬞ︀-️︠-︭︳︴﹍-﹏０-９＿";var nonASCIIidentifierStart=new RegExp("["+nonASCIIidentifierStartChars+"]");var nonASCIIidentifier=new RegExp("["+nonASCIIidentifierStartChars+nonASCIIidentifierChars+"]");var decimalNumber=/^\d+$/;var hexNumber=/^[\da-fA-F]+$/;var newline=/[\n\r\u2028\u2029]/;function isNewLine(code){return code===10||code===13||code===8232||code==8233}var lineBreak=/\r\n|[\n\r\u2028\u2029]/g;var isIdentifierStart=exports.isIdentifierStart=function(code){if(code<65)return code===36;if(code<91)return true;if(code<97)return code===95;if(code<123)return true;return code>=170&&nonASCIIidentifierStart.test(String.fromCharCode(code))};var isIdentifierChar=exports.isIdentifierChar=function(code){if(code<48)return code===36;if(code<58)return true;if(code<65)return false;if(code<91)return true;if(code<97)return code===95;if(code<123)return true;return code>=170&&nonASCIIidentifier.test(String.fromCharCode(code))};function Position(line,col){this.line=line;this.column=col}Position.prototype.offset=function(n){return new Position(this.line,this.column+n)};function curPosition(){return new Position(tokCurLine,tokPos-tokLineStart)}function initTokenState(pos){if(pos){tokPos=pos;tokLineStart=Math.max(0,input.lastIndexOf("\n",pos));tokCurLine=input.slice(0,tokLineStart).split(newline).length}else{tokCurLine=1;tokPos=tokLineStart=0}tokType=_eof;tokContext=[b_stat];tokExprAllowed=true;inType=strict=false;if(tokPos===0&&options.allowHashBang&&input.slice(0,2)==="#!"){skipLineComment(2)}}var b_stat={token:"{",isExpr:false},b_expr={token:"{",isExpr:true},b_tmpl={token:"${",isExpr:true};var p_stat={token:"(",isExpr:false},p_expr={token:"(",isExpr:true};var q_tmpl={token:"`",isExpr:true},f_expr={token:"function",isExpr:true};var j_oTag={token:"<tag",isExpr:false},j_cTag={token:"</tag",isExpr:false},j_expr={token:"<tag>...</tag>",isExpr:true};function curTokContext(){return tokContext[tokContext.length-1]}function braceIsBlock(prevType){var parent;if(prevType===_colon&&(parent=curTokContext()).token=="{")return!parent.isExpr;if(prevType===_return)return newline.test(input.slice(lastEnd,tokStart));if(prevType===_else||prevType===_semi||prevType===_eof)return true;if(prevType==_braceL)return curTokContext()===b_stat;return!tokExprAllowed}function finishToken(type,val){tokEnd=tokPos;if(options.locations)tokEndLoc=curPosition();var prevType=tokType,preserveSpace=false;tokType=type;tokVal=val;if(type===_parenR||type===_braceR){var out=tokContext.pop();if(out===b_tmpl){preserveSpace=tokExprAllowed=true}else if(out===b_stat&&curTokContext()===f_expr){tokContext.pop();tokExprAllowed=false}else{tokExprAllowed=!(out&&out.isExpr)}}else if(type===_braceL){switch(curTokContext()){case j_oTag:tokContext.push(b_expr);break;case j_expr:tokContext.push(b_tmpl);break;default:tokContext.push(braceIsBlock(prevType)?b_stat:b_expr)}tokExprAllowed=true}else if(type===_dollarBraceL){tokContext.push(b_tmpl);tokExprAllowed=true}else if(type==_parenL){var statementParens=prevType===_if||prevType===_for||prevType===_with||prevType===_while;tokContext.push(statementParens?p_stat:p_expr);tokExprAllowed=true}else if(type==_incDec){}else if(type.keyword&&prevType==_dot){tokExprAllowed=false}else if(type==_function){if(curTokContext()!==b_stat){tokContext.push(f_expr)}tokExprAllowed=false}else if(type===_backQuote){if(curTokContext()===q_tmpl){tokContext.pop()}else{tokContext.push(q_tmpl);preserveSpace=true}tokExprAllowed=false}else if(type===_jsxTagStart){tokContext.push(j_expr);tokContext.push(j_oTag);tokExprAllowed=false}else if(type===_jsxTagEnd){var out=tokContext.pop();if(out===j_oTag&&prevType===_slash||out===j_cTag){tokContext.pop();preserveSpace=tokExprAllowed=curTokContext()===j_expr}else{preserveSpace=tokExprAllowed=true}}else if(type===_jsxText){preserveSpace=tokExprAllowed=true}else if(type===_slash&&prevType===_jsxTagStart){tokContext.length-=2;tokContext.push(j_cTag);tokExprAllowed=false}else{tokExprAllowed=type.beforeExpr}if(!preserveSpace)skipSpace()}function skipBlockComment(){var startLoc=options.onComment&&options.locations&&curPosition();var start=tokPos,end=input.indexOf("*/",tokPos+=2);if(end===-1)raise(tokPos-2,"Unterminated comment");tokPos=end+2;if(options.locations){lineBreak.lastIndex=start;var match;while((match=lineBreak.exec(input))&&match.index<tokPos){++tokCurLine;tokLineStart=match.index+match[0].length}}if(options.onComment)options.onComment(true,input.slice(start+2,end),start,tokPos,startLoc,options.locations&&curPosition())}function skipLineComment(startSkip){var start=tokPos;var startLoc=options.onComment&&options.locations&&curPosition();var ch=input.charCodeAt(tokPos+=startSkip);while(tokPos<inputLen&&ch!==10&&ch!==13&&ch!==8232&&ch!==8233){++tokPos;ch=input.charCodeAt(tokPos)}if(options.onComment)options.onComment(false,input.slice(start+startSkip,tokPos),start,tokPos,startLoc,options.locations&&curPosition())}function skipSpace(){while(tokPos<inputLen){var ch=input.charCodeAt(tokPos);if(ch===32){++tokPos}else if(ch===13){++tokPos;var next=input.charCodeAt(tokPos);if(next===10){++tokPos}if(options.locations){++tokCurLine;tokLineStart=tokPos}}else if(ch===10||ch===8232||ch===8233){++tokPos;if(options.locations){++tokCurLine;tokLineStart=tokPos}}else if(ch>8&&ch<14){++tokPos}else if(ch===47){var next=input.charCodeAt(tokPos+1);if(next===42){skipBlockComment()}else if(next===47){skipLineComment(2)}else break}else if(ch===160){++tokPos}else if(ch>=5760&&nonASCIIwhitespace.test(String.fromCharCode(ch))){++tokPos}else{break}}}function readToken_dot(){var next=input.charCodeAt(tokPos+1);if(next>=48&&next<=57)return readNumber(true);var next2=input.charCodeAt(tokPos+2);if(options.playground&&next===63){tokPos+=2;return finishToken(_dotQuestion)}else if(options.ecmaVersion>=6&&next===46&&next2===46){tokPos+=3;return finishToken(_ellipsis)}else{++tokPos;return finishToken(_dot)}}function readToken_slash(){var next=input.charCodeAt(tokPos+1);if(tokExprAllowed){++tokPos;return readRegexp()}if(next===61)return finishOp(_assign,2);return finishOp(_slash,1)}function readToken_modulo(){var next=input.charCodeAt(tokPos+1);if(next===61)return finishOp(_assign,2);return finishOp(_modulo,1)}function readToken_mult(){var type=_star;var width=1;var next=input.charCodeAt(tokPos+1);if(options.ecmaVersion>=7&&next===42){width++;next=input.charCodeAt(tokPos+2);type=_exponent}if(next===61){width++;type=_assign}return finishOp(type,width)}function readToken_pipe_amp(code){var next=input.charCodeAt(tokPos+1);if(next===code){if(options.playground&&input.charCodeAt(tokPos+2)===61)return finishOp(_assign,3);return finishOp(code===124?_logicalOR:_logicalAND,2)}if(next===61)return finishOp(_assign,2);return finishOp(code===124?_bitwiseOR:_bitwiseAND,1)}function readToken_caret(){var next=input.charCodeAt(tokPos+1);if(next===61)return finishOp(_assign,2);return finishOp(_bitwiseXOR,1)}function readToken_plus_min(code){var next=input.charCodeAt(tokPos+1);if(next===code){if(next==45&&input.charCodeAt(tokPos+2)==62&&newline.test(input.slice(lastEnd,tokPos))){skipLineComment(3);skipSpace();return readToken()}return finishOp(_incDec,2)}if(next===61)return finishOp(_assign,2);return finishOp(_plusMin,1)}function readToken_lt_gt(code){var next=input.charCodeAt(tokPos+1);var size=1;if(!inType&&next===code){size=code===62&&input.charCodeAt(tokPos+2)===62?3:2;if(input.charCodeAt(tokPos+size)===61)return finishOp(_assign,size+1);return finishOp(_bitShift,size)}if(next==33&&code==60&&input.charCodeAt(tokPos+2)==45&&input.charCodeAt(tokPos+3)==45){skipLineComment(4);skipSpace();return readToken()}if(!inType){if(tokExprAllowed&&code===60){++tokPos;return finishToken(_jsxTagStart)}if(code===62){var context=curTokContext();if(context===j_oTag||context===j_cTag){++tokPos;return finishToken(_jsxTagEnd)}}}if(next===61)size=input.charCodeAt(tokPos+2)===61?3:2;return finishOp(_relational,size)}function readToken_eq_excl(code){var next=input.charCodeAt(tokPos+1);if(next===61)return finishOp(_equality,input.charCodeAt(tokPos+2)===61?3:2);if(code===61&&next===62&&options.ecmaVersion>=6){tokPos+=2;return finishToken(_arrow)}return finishOp(code===61?_eq:_prefix,1)}function getTemplateToken(code){if(tokType===_string){if(code===96){++tokPos;return finishToken(_bquote)}else if(code===36&&input.charCodeAt(tokPos+1)===123){tokPos+=2;return finishToken(_dollarBraceL)}}return readTmplString()}function getTokenFromCode(code){switch(code){case 46:return readToken_dot();case 40:++tokPos;return finishToken(_parenL);case 41:++tokPos;return finishToken(_parenR);case 59:++tokPos;return finishToken(_semi);case 44:++tokPos;return finishToken(_comma);case 91:++tokPos;return finishToken(_bracketL);case 93:++tokPos;return finishToken(_bracketR);case 123:++tokPos;return finishToken(_braceL);case 125:++tokPos;return finishToken(_braceR);case 63:++tokPos;return finishToken(_question);case 64:if(options.playground){++tokPos;return finishToken(_at)}case 35:if(options.playground){++tokPos;return finishToken(_hash)}case 58:++tokPos;if(options.ecmaVersion>=7){var next=input.charCodeAt(tokPos);if(next===58){++tokPos;return finishToken(_paamayimNekudotayim)}}return finishToken(_colon);case 96:if(options.ecmaVersion>=6){++tokPos;return finishToken(_backQuote)}else{return false}case 48:var next=input.charCodeAt(tokPos+1);if(next===120||next===88)return readRadixNumber(16);if(options.ecmaVersion>=6){if(next===111||next===79)return readRadixNumber(8);if(next===98||next===66)return readRadixNumber(2)}case 49:case 50:case 51:case 52:case 53:case 54:case 55:case 56:case 57:return readNumber(false);case 34:case 39:return inXJSTag?readXJSStringLiteral():readString(code);case 47:return readToken_slash();case 37:return readToken_modulo();case 42:return readToken_mult();case 124:case 38:return readToken_pipe_amp(code);case 94:return readToken_caret();case 43:case 45:return readToken_plus_min(code);case 60:case 62:return readToken_lt_gt(code);case 61:case 33:return readToken_eq_excl(code);case 126:return finishOp(_prefix,1)}return false}function readToken(){tokStart=tokPos;if(options.locations)tokStartLoc=curPosition();if(tokPos>=inputLen)return finishToken(_eof);var context=curTokContext();if(context===q_tmpl){return readTmplToken()}if(context===j_expr){return readJSXToken()}var code=input.charCodeAt(tokPos);if(context===j_oTag||context===j_cTag){if(isIdentifierStart(code))return readJSXWord()}else if(context===j_expr){return readJSXToken()}else{if(isIdentifierStart(code)||code===92)return readWord()}var tok=getTokenFromCode(code);if(tok===false){var ch=String.fromCharCode(code);if(ch==="\\"||nonASCIIidentifierStart.test(ch))return readWord();raise(tokPos,"Unexpected character '"+ch+"'")}return tok}function finishOp(type,size,shouldSkipSpace){var str=input.slice(tokPos,tokPos+size);tokPos+=size;finishToken(type,str,shouldSkipSpace)}var regexpUnicodeSupport=false;try{new RegExp("","u");regexpUnicodeSupport=true}catch(e){}function readRegexp(){var content="",escaped,inClass,start=tokPos;for(;;){if(tokPos>=inputLen)raise(start,"Unterminated regular expression");var ch=nextChar();if(newline.test(ch))raise(start,"Unterminated regular expression");if(!escaped){if(ch==="[")inClass=true;else if(ch==="]"&&inClass)inClass=false;else if(ch==="/"&&!inClass)break;escaped=ch==="\\"}else escaped=false;++tokPos}var content=input.slice(start,tokPos);++tokPos;var mods=readWord1();var tmp=content;if(mods){var validFlags=/^[gmsiy]*$/;if(options.ecmaVersion>=6)validFlags=/^[gmsiyu]*$/;if(!validFlags.test(mods))raise(start,"Invalid regular expression flag");if(mods.indexOf("u")>=0&&!regexpUnicodeSupport){tmp=tmp.replace(/\\u\{([0-9a-fA-F]{5,6})\}/g,"x").replace(/[\uD800-\uDBFF][\uDC00-\uDFFF]/g,"x")}}try{new RegExp(tmp)}catch(e){if(e instanceof SyntaxError)raise(start,"Error parsing regular expression: "+e.message);raise(e)}try{var value=new RegExp(content,mods)}catch(err){value=null}return finishToken(_regexp,{pattern:content,flags:mods,value:value})}function readInt(radix,len){var start=tokPos,total=0;for(var i=0,e=len==null?Infinity:len;i<e;++i){var code=input.charCodeAt(tokPos),val;if(code>=97)val=code-97+10;else if(code>=65)val=code-65+10;else if(code>=48&&code<=57)val=code-48;else val=Infinity;if(val>=radix)break;++tokPos;total=total*radix+val}if(tokPos===start||len!=null&&tokPos-start!==len)return null;return total}function readRadixNumber(radix){tokPos+=2;var val=readInt(radix);if(val==null)raise(tokStart+2,"Expected number in radix "+radix);if(isIdentifierStart(input.charCodeAt(tokPos)))raise(tokPos,"Identifier directly after number");return finishToken(_num,val)}function readNumber(startsWithDot){var start=tokPos,isFloat=false,octal=input.charCodeAt(tokPos)===48;if(!startsWithDot&&readInt(10)===null)raise(start,"Invalid number");if(input.charCodeAt(tokPos)===46){++tokPos;readInt(10);isFloat=true}var next=input.charCodeAt(tokPos);if(next===69||next===101){next=input.charCodeAt(++tokPos);if(next===43||next===45)++tokPos;if(readInt(10)===null)raise(start,"Invalid number");isFloat=true}if(isIdentifierStart(input.charCodeAt(tokPos)))raise(tokPos,"Identifier directly after number");var str=input.slice(start,tokPos),val;if(isFloat)val=parseFloat(str);else if(!octal||str.length===1)val=parseInt(str,10);else if(/[89]/.test(str)||strict)raise(start,"Invalid number");else val=parseInt(str,8);return finishToken(_num,val)}function readCodePoint(){var ch=input.charCodeAt(tokPos),code;if(ch===123){if(options.ecmaVersion<6)unexpected();++tokPos;code=readHexChar(input.indexOf("}",tokPos)-tokPos);++tokPos;if(code>1114111)unexpected()}else{code=readHexChar(4)}if(code<=65535){return String.fromCharCode(code)}var cu1=(code-65536>>10)+55296;var cu2=(code-65536&1023)+56320;return String.fromCharCode(cu1,cu2)}function readString(quote){var isJSX=curTokContext()===j_oTag;var out="",chunkStart=++tokPos;for(;;){if(tokPos>=inputLen)raise(tokStart,"Unterminated string constant");var ch=input.charCodeAt(tokPos);if(ch===quote)break;if(ch===92&&!isJSX){out+=input.slice(chunkStart,tokPos);out+=readEscapedChar();chunkStart=tokPos}else if(ch===38&&isJSX){out+=input.slice(chunkStart,tokPos);out+=readJSXEntity();chunkStart=tokPos}else{if(isNewLine(ch))raise(tokStart,"Unterminated string constant");++tokPos}}out+=input.slice(chunkStart,tokPos++);return finishToken(_string,out)}function readTmplToken(){var out="",chunkStart=tokPos;for(;;){if(tokPos>=inputLen)raise(tokStart,"Unterminated template");var ch=input.charCodeAt(tokPos);if(ch===96||ch===36&&input.charCodeAt(tokPos+1)===123){if(tokPos===tokStart&&tokType===_template){if(ch===36){tokPos+=2;return finishToken(_dollarBraceL)}else{++tokPos;return finishToken(_backQuote)}}out+=input.slice(chunkStart,tokPos);return finishToken(_template,out)}if(ch===92){out+=input.slice(chunkStart,tokPos);out+=readEscapedChar();chunkStart=tokPos}else if(isNewLine(ch)){out+=input.slice(chunkStart,tokPos);++tokPos;if(ch===13&&input.charCodeAt(tokPos)===10){++tokPos;out+="\n"}else{out+=String.fromCharCode(ch)}if(options.locations){++tokCurLine;tokLineStart=tokPos}chunkStart=tokPos}else{++tokPos}}}var XHTMLEntities={quot:'"',amp:"&",apos:"'",lt:"<",gt:">",nbsp:" ",iexcl:"¡",cent:"¢",pound:"£",curren:"¤",yen:"¥",brvbar:"¦",sect:"§",uml:"¨",copy:"©",ordf:"ª",laquo:"«",not:"¬",shy:"",reg:"®",macr:"¯",deg:"°",plusmn:"±",sup2:"²",sup3:"³",acute:"´",micro:"µ",para:"¶",middot:"·",cedil:"¸",sup1:"¹",ordm:"º",raquo:"»",frac14:"¼",frac12:"½",frac34:"¾",iquest:"¿",Agrave:"À",Aacute:"Á",Acirc:"Â",Atilde:"Ã",Auml:"Ä",Aring:"Å",AElig:"Æ",Ccedil:"Ç",Egrave:"È",Eacute:"É",Ecirc:"Ê",Euml:"Ë",Igrave:"Ì",Iacute:"Í",Icirc:"Î",Iuml:"Ï",ETH:"Ð",Ntilde:"Ñ",Ograve:"Ò",Oacute:"Ó",Ocirc:"Ô",Otilde:"Õ",Ouml:"Ö",times:"×",Oslash:"Ø",Ugrave:"Ù",Uacute:"Ú",Ucirc:"Û",Uuml:"Ü",Yacute:"Ý",THORN:"Þ",szlig:"ß",agrave:"à",aacute:"á",acirc:"â",atilde:"ã",auml:"ä",aring:"å",aelig:"æ",ccedil:"ç",egrave:"è",eacute:"é",ecirc:"ê",euml:"ë",igrave:"ì",iacute:"í",icirc:"î",iuml:"ï",eth:"ð",ntilde:"ñ",ograve:"ò",oacute:"ó",ocirc:"ô",otilde:"õ",ouml:"ö",divide:"÷",oslash:"ø",ugrave:"ù",uacute:"ú",ucirc:"û",uuml:"ü",yacute:"ý",thorn:"þ",yuml:"ÿ",OElig:"Œ",oelig:"œ",Scaron:"Š",scaron:"š",Yuml:"Ÿ",fnof:"ƒ",circ:"ˆ",tilde:"˜",Alpha:"Α",Beta:"Β",Gamma:"Γ",Delta:"Δ",Epsilon:"Ε",Zeta:"Ζ",Eta:"Η",Theta:"Θ",Iota:"Ι",Kappa:"Κ",Lambda:"Λ",Mu:"Μ",Nu:"Ν",Xi:"Ξ",Omicron:"Ο",Pi:"Π",Rho:"Ρ",Sigma:"Σ",Tau:"Τ",Upsilon:"Υ",Phi:"Φ",Chi:"Χ",Psi:"Ψ",Omega:"Ω",alpha:"α",beta:"β",gamma:"γ",delta:"δ",epsilon:"ε",zeta:"ζ",eta:"η",theta:"θ",iota:"ι",kappa:"κ",lambda:"λ",mu:"μ",nu:"ν",xi:"ξ",omicron:"ο",pi:"π",rho:"ρ",sigmaf:"ς",sigma:"σ",tau:"τ",upsilon:"υ",phi:"φ",chi:"χ",psi:"ψ",omega:"ω",thetasym:"ϑ",upsih:"ϒ",piv:"ϖ",ensp:" ",emsp:" ",thinsp:" ",zwnj:"",zwj:"",lrm:"",rlm:"",ndash:"–",mdash:"—",lsquo:"‘",rsquo:"’",sbquo:"‚",ldquo:"“",rdquo:"”",bdquo:"„",dagger:"†",Dagger:"‡",bull:"•",hellip:"…",permil:"‰",prime:"′",Prime:"″",lsaquo:"‹",rsaquo:"›",oline:"‾",frasl:"⁄",euro:"€",image:"ℑ",weierp:"℘",real:"ℜ",trade:"™",alefsym:"ℵ",larr:"←",uarr:"↑",rarr:"→",darr:"↓",harr:"↔",crarr:"↵",lArr:"⇐",uArr:"⇑",rArr:"⇒",dArr:"⇓",hArr:"⇔",forall:"∀",part:"∂",exist:"∃",empty:"∅",nabla:"∇",isin:"∈",notin:"∉",ni:"∋",prod:"∏",sum:"∑",minus:"−",lowast:"∗",radic:"√",prop:"∝",infin:"∞",ang:"∠",and:"∧",or:"∨",cap:"∩",cup:"∪","int":"∫",there4:"∴",sim:"∼",cong:"≅",asymp:"≈",ne:"≠",equiv:"≡",le:"≤",ge:"≥",sub:"⊂",sup:"⊃",nsub:"⊄",sube:"⊆",supe:"⊇",oplus:"⊕",otimes:"⊗",perp:"⊥",sdot:"⋅",lceil:"⌈",rceil:"⌉",lfloor:"⌊",rfloor:"⌋",lang:"〈",rang:"〉",loz:"◊",spades:"♠",clubs:"♣",hearts:"♥",diams:"♦"};function readJSXEntity(){var str="",count=0,entity;var ch=input[tokPos];if(ch!=="&")raise(tokPos,"Entity must start with an ampersand");var startPos=++tokPos;while(tokPos<inputLen&&count++<10){ch=input[tokPos++];if(ch===";"){if(str[0]==="#"){if(str[1]==="x"){str=str.substr(2);if(hexNumber.test(str)){entity=String.fromCharCode(parseInt(str,16))}}else{str=str.substr(1);if(decimalNumber.test(str)){entity=String.fromCharCode(parseInt(str,10))}}}else{entity=XHTMLEntities[str]}break}str+=ch}if(!entity){tokPos=startPos;return"&"}return entity}function readJSXToken(){var out="",start=tokPos;for(;;){if(tokPos>=inputLen)raise(tokStart,"Unterminated JSX contents");var ch=input.charCodeAt(tokPos);switch(ch){case 123:case 60:if(tokPos===start){return getTokenFromCode(ch)}return finishToken(_jsxText,out);case 38:out+=readJSXEntity();break;default:++tokPos;if(isNewLine(ch)){if(ch===13&&input.charCodeAt(tokPos)===10){++tokPos;ch=10}if(options.locations){++tokCurLine;
tokLineStart=tokPos}}out+=String.fromCharCode(ch)}}}function readEscapedChar(){var ch=input.charCodeAt(++tokPos);var octal=/^[0-7]+/.exec(input.slice(tokPos,tokPos+3));if(octal)octal=octal[0];while(octal&&parseInt(octal,8)>255)octal=octal.slice(0,-1);if(octal==="0")octal=null;++tokPos;if(octal){if(strict)raise(tokPos-2,"Octal literal in strict mode");tokPos+=octal.length-1;return String.fromCharCode(parseInt(octal,8))}else{switch(ch){case 110:return"\n";case 114:return"\r";case 120:return String.fromCharCode(readHexChar(2));case 117:return readCodePoint();case 116:return" ";case 98:return"\b";case 118:return" ";case 102:return"\f";case 48:return"\x00";case 13:if(input.charCodeAt(tokPos)===10)++tokPos;case 10:if(options.locations){tokLineStart=tokPos;++tokCurLine}return"";default:return String.fromCharCode(ch)}}}var XHTMLEntities={quot:'"',amp:"&",apos:"'",lt:"<",gt:">",nbsp:" ",iexcl:"¡",cent:"¢",pound:"£",curren:"¤",yen:"¥",brvbar:"¦",sect:"§",uml:"¨",copy:"©",ordf:"ª",laquo:"«",not:"¬",shy:"",reg:"®",macr:"¯",deg:"°",plusmn:"±",sup2:"²",sup3:"³",acute:"´",micro:"µ",para:"¶",middot:"·",cedil:"¸",sup1:"¹",ordm:"º",raquo:"»",frac14:"¼",frac12:"½",frac34:"¾",iquest:"¿",Agrave:"À",Aacute:"Á",Acirc:"Â",Atilde:"Ã",Auml:"Ä",Aring:"Å",AElig:"Æ",Ccedil:"Ç",Egrave:"È",Eacute:"É",Ecirc:"Ê",Euml:"Ë",Igrave:"Ì",Iacute:"Í",Icirc:"Î",Iuml:"Ï",ETH:"Ð",Ntilde:"Ñ",Ograve:"Ò",Oacute:"Ó",Ocirc:"Ô",Otilde:"Õ",Ouml:"Ö",times:"×",Oslash:"Ø",Ugrave:"Ù",Uacute:"Ú",Ucirc:"Û",Uuml:"Ü",Yacute:"Ý",THORN:"Þ",szlig:"ß",agrave:"à",aacute:"á",acirc:"â",atilde:"ã",auml:"ä",aring:"å",aelig:"æ",ccedil:"ç",egrave:"è",eacute:"é",ecirc:"ê",euml:"ë",igrave:"ì",iacute:"í",icirc:"î",iuml:"ï",eth:"ð",ntilde:"ñ",ograve:"ò",oacute:"ó",ocirc:"ô",otilde:"õ",ouml:"ö",divide:"÷",oslash:"ø",ugrave:"ù",uacute:"ú",ucirc:"û",uuml:"ü",yacute:"ý",thorn:"þ",yuml:"ÿ",OElig:"Œ",oelig:"œ",Scaron:"Š",scaron:"š",Yuml:"Ÿ",fnof:"ƒ",circ:"ˆ",tilde:"˜",Alpha:"Α",Beta:"Β",Gamma:"Γ",Delta:"Δ",Epsilon:"Ε",Zeta:"Ζ",Eta:"Η",Theta:"Θ",Iota:"Ι",Kappa:"Κ",Lambda:"Λ",Mu:"Μ",Nu:"Ν",Xi:"Ξ",Omicron:"Ο",Pi:"Π",Rho:"Ρ",Sigma:"Σ",Tau:"Τ",Upsilon:"Υ",Phi:"Φ",Chi:"Χ",Psi:"Ψ",Omega:"Ω",alpha:"α",beta:"β",gamma:"γ",delta:"δ",epsilon:"ε",zeta:"ζ",eta:"η",theta:"θ",iota:"ι",kappa:"κ",lambda:"λ",mu:"μ",nu:"ν",xi:"ξ",omicron:"ο",pi:"π",rho:"ρ",sigmaf:"ς",sigma:"σ",tau:"τ",upsilon:"υ",phi:"φ",chi:"χ",psi:"ψ",omega:"ω",thetasym:"ϑ",upsih:"ϒ",piv:"ϖ",ensp:" ",emsp:" ",thinsp:" ",zwnj:"",zwj:"",lrm:"",rlm:"",ndash:"–",mdash:"—",lsquo:"‘",rsquo:"’",sbquo:"‚",ldquo:"“",rdquo:"”",bdquo:"„",dagger:"†",Dagger:"‡",bull:"•",hellip:"…",permil:"‰",prime:"′",Prime:"″",lsaquo:"‹",rsaquo:"›",oline:"‾",frasl:"⁄",euro:"€",image:"ℑ",weierp:"℘",real:"ℜ",trade:"™",alefsym:"ℵ",larr:"←",uarr:"↑",rarr:"→",darr:"↓",harr:"↔",crarr:"↵",lArr:"⇐",uArr:"⇑",rArr:"⇒",dArr:"⇓",hArr:"⇔",forall:"∀",part:"∂",exist:"∃",empty:"∅",nabla:"∇",isin:"∈",notin:"∉",ni:"∋",prod:"∏",sum:"∑",minus:"−",lowast:"∗",radic:"√",prop:"∝",infin:"∞",ang:"∠",and:"∧",or:"∨",cap:"∩",cup:"∪","int":"∫",there4:"∴",sim:"∼",cong:"≅",asymp:"≈",ne:"≠",equiv:"≡",le:"≤",ge:"≥",sub:"⊂",sup:"⊃",nsub:"⊄",sube:"⊆",supe:"⊇",oplus:"⊕",otimes:"⊗",perp:"⊥",sdot:"⋅",lceil:"⌈",rceil:"⌉",lfloor:"⌊",rfloor:"⌋",lang:"〈",rang:"〉",loz:"◊",spades:"♠",clubs:"♣",hearts:"♥",diams:"♦"};function readXJSEntity(){var str="",count=0,entity;var ch=nextChar();if(ch!=="&")raise(tokPos,"Entity must start with an ampersand");var startPos=++tokPos;while(tokPos<inputLen&&count++<10){ch=nextChar();tokPos++;if(ch===";"){if(str[0]==="#"){if(str[1]==="x"){str=str.substr(2);if(hexNumber.test(str)){entity=String.fromCharCode(parseInt(str,16))}}else{str=str.substr(1);if(decimalNumber.test(str)){entity=String.fromCharCode(parseInt(str,10))}}}else{entity=XHTMLEntities[str]}break}str+=ch}if(!entity){tokPos=startPos;return"&"}return entity}function readXJSText(stopChars){var str="";while(tokPos<inputLen){var ch=nextChar();if(stopChars.indexOf(ch)!==-1){break}if(ch==="&"){str+=readXJSEntity()}else{++tokPos;if(ch==="\r"&&nextChar()==="\n"){str+=ch;++tokPos;ch="\n"}if(ch==="\n"&&options.locations){tokLineStart=tokPos;++tokCurLine}str+=ch}}return finishToken(_xjsText,str)}function readXJSStringLiteral(){var quote=input.charCodeAt(tokPos);if(quote!==34&"e!==39){raise("String literal must starts with a quote")}++tokPos;readXJSText([String.fromCharCode(quote)]);if(quote!==input.charCodeAt(tokPos)){unexpected()}++tokPos;return finishToken(tokType,tokVal)}function readHexChar(len){var n=readInt(16,len);if(n===null)raise(tokStart,"Bad character escape sequence");return n}var containsEsc;function readWord1(){containsEsc=false;var word="",first=true,chunkStart=tokPos;for(;;){var ch=input.charCodeAt(tokPos);if(isIdentifierChar(ch)){++tokPos}else if(ch===92){containsEsc=true;word+=input.slice(chunkStart,tokPos);if(input.charCodeAt(++tokPos)!=117)raise(tokPos,"Expecting Unicode escape sequence \\uXXXX");++tokPos;var esc=readHexChar(4);var escStr=String.fromCharCode(esc);if(!escStr)raise(tokPos-1,"Invalid Unicode escape");if(!(first?isIdentifierStart(esc):isIdentifierChar(esc)))raise(tokPos-4,"Invalid Unicode escape");word+=escStr;chunkStart=tokPos}else{break}first=false}return word+input.slice(chunkStart,tokPos)}function readWord(){var word=readWord1();var type=inXJSTag?_xjsName:_name;if(!containsEsc&&isKeyword(word))type=keywordTypes[word];return finishToken(type,word)}function readJSXWord(){var ch,start=tokPos;do{ch=input.charCodeAt(++tokPos)}while(isIdentifierChar(ch)||ch===45);return finishToken(_jsxName,input.slice(start,tokPos))}function next(){if(options.onToken)options.onToken(new Token);lastStart=tokStart;lastEnd=tokEnd;lastEndLoc=tokEndLoc;readToken()}function setStrict(strct){strict=strct;if(tokType!==_num&&tokType!==_string)return;tokPos=tokStart;if(options.locations){while(tokPos<tokLineStart){tokLineStart=input.lastIndexOf("\n",tokLineStart-2)+1;--tokCurLine}}skipSpace();readToken()}function Node(){this.type=null;this.start=tokStart;this.end=null}exports.Node=Node;function SourceLocation(){this.start=tokStartLoc;this.end=null;if(sourceFile!==null)this.source=sourceFile}function startNode(){var node=new exports.Node;if(options.locations)node.loc=new SourceLocation;if(options.directSourceFile)node.sourceFile=options.directSourceFile;if(options.ranges)node.range=[tokStart,0];return node}function storeCurrentPos(){return options.locations?[tokStart,tokStartLoc]:tokStart}function startNodeAt(pos){var node=new exports.Node,start=pos;if(options.locations){node.loc=new SourceLocation;node.loc.start=start[1];start=pos[0]}node.start=start;if(options.directSourceFile)node.sourceFile=options.directSourceFile;if(options.ranges)node.range=[start,0];return node}function finishNode(node,type){node.type=type;node.end=lastEnd;if(options.locations)node.loc.end=lastEndLoc;if(options.ranges)node.range[1]=lastEnd;return node}function finishNodeAt(node,type,pos){if(options.locations){node.loc.end=pos[1];pos=pos[0]}node.type=type;node.end=pos;if(options.ranges)node.range[1]=pos;return node}function isUseStrict(stmt){return options.ecmaVersion>=5&&stmt.type==="ExpressionStatement"&&stmt.expression.type==="Literal"&&stmt.expression.value==="use strict"}function eat(type){if(tokType===type){next();return true}else{return false}}function isContextual(name){return tokType===_name&&tokVal===name}function eatContextual(name){return tokVal===name&&eat(_name)}function expectContextual(name){if(!eatContextual(name))unexpected()}function canInsertSemicolon(){return!options.strictSemicolons&&(tokType===_eof||tokType===_braceR||newline.test(input.slice(lastEnd,tokStart)))}function semicolon(){if(!eat(_semi)&&!canInsertSemicolon())unexpected()}function expect(type){eat(type)||unexpected()}function nextChar(){return input.charAt(tokPos)}function unexpected(pos){raise(pos!=null?pos:tokStart,"Unexpected token")}function has(obj,propName){return Object.prototype.hasOwnProperty.call(obj,propName)}function toAssignable(node){if(options.ecmaVersion>=6&&node){switch(node.type){case"Identifier":case"MemberExpression":case"VirtualPropertyExpression":case"ObjectPattern":case"ArrayPattern":case"AssignmentPattern":break;case"ObjectExpression":node.type="ObjectPattern";for(var i=0;i<node.properties.length;i++){var prop=node.properties[i];if(prop.kind!=="init")raise(prop.key.start,"Object pattern can't contain getter or setter");toAssignable(prop.value)}break;case"ArrayExpression":node.type="ArrayPattern";toAssignableList(node.elements);break;case"AssignmentExpression":if(node.operator==="="){node.type="AssignmentPattern"}else{raise(node.left.end,"Only '=' operator can be used for specifying default value.")}break;default:raise(node.start,"Assigning to rvalue")}}return node}function toAssignableList(exprList){if(exprList.length){for(var i=0;i<exprList.length-1;i++){toAssignable(exprList[i])}var last=exprList[exprList.length-1];switch(last.type){case"RestElement":break;case"SpreadElement":last.type="RestElement";var arg=last.argument;toAssignable(arg);if(arg.type!=="Identifier"&&arg.type!=="ArrayPattern")unexpected(arg.start);break;default:toAssignable(last)}}return exprList}function parseSpread(refShorthandDefaultPos){var node=startNode();next();node.argument=parseMaybeAssign(refShorthandDefaultPos);return finishNode(node,"SpreadElement")}function parseRest(){var node=startNode();next();node.argument=tokType===_name||tokType===_bracketL?parseAssignableAtom():unexpected();return finishNode(node,"RestElement")}function parseAssignableAtom(){if(options.ecmaVersion<6)return parseIdent();switch(tokType){case _name:return parseIdent();case _bracketL:var node=startNode();next();node.elements=parseAssignableList(_bracketR,true);return finishNode(node,"ArrayPattern");case _braceL:return parseObj(true);default:unexpected()}}function parseAssignableList(close,allowEmpty){var elts=[],first=true;while(!eat(close)){first?first=false:expect(_comma);if(tokType===_ellipsis){elts.push(parseAssignableListItemTypes(parseRest()));expect(close);break}var elem;if(allowEmpty&&tokType===_comma){elem=null}else{var left=parseAssignableAtom();parseAssignableListItemTypes(left);elem=parseMaybeDefault(null,left)}elts.push(elem)}return elts}function parseAssignableListItemTypes(param){if(eat(_question)){param.optional=true}if(tokType===_colon){param.typeAnnotation=parseTypeAnnotation()}finishNode(param,param.type);return param}function parseMaybeDefault(startPos,left){left=left||parseAssignableAtom();if(!eat(_eq))return left;var node=startPos?startNodeAt(startPos):startNode();node.operator="=";node.left=left;node.right=parseMaybeAssign();return finishNode(node,"AssignmentPattern")}function checkFunctionParam(param,nameHash){switch(param.type){case"Identifier":if(isStrictReservedWord(param.name)||isStrictBadIdWord(param.name))raise(param.start,"Defining '"+param.name+"' in strict mode");if(has(nameHash,param.name))raise(param.start,"Argument name clash in strict mode");nameHash[param.name]=true;break;case"ObjectPattern":for(var i=0;i<param.properties.length;i++)checkFunctionParam(param.properties[i].value,nameHash);break;case"ArrayPattern":for(var i=0;i<param.elements.length;i++){var elem=param.elements[i];if(elem)checkFunctionParam(elem,nameHash)}break;case"RestElement":return checkFunctionParam(param.argument,nameHash)}}function checkPropClash(prop,propHash){if(options.ecmaVersion>=6)return;var key=prop.key,name;switch(key.type){case"Identifier":name=key.name;break;case"Literal":name=String(key.value);break;default:return}var kind=prop.kind||"init",other;if(has(propHash,name)){other=propHash[name];var isGetSet=kind!=="init";if((strict||isGetSet)&&other[kind]||!(isGetSet^other.init))raise(key.start,"Redefinition of property")}else{other=propHash[name]={init:false,get:false,set:false}}other[kind]=true}function checkLVal(expr,isBinding){switch(expr.type){case"Identifier":if(strict&&(isStrictBadIdWord(expr.name)||isStrictReservedWord(expr.name)))raise(expr.start,(isBinding?"Binding ":"Assigning to ")+expr.name+" in strict mode");break;case"MemberExpression":if(isBinding)raise(expr.start,"Binding to member expression");break;case"ObjectPattern":for(var i=0;i<expr.properties.length;i++){var prop=expr.properties[i];if(prop.type==="Property")prop=prop.value;checkLVal(prop,isBinding)}break;case"ArrayPattern":for(var i=0;i<expr.elements.length;i++){var elem=expr.elements[i];if(elem)checkLVal(elem,isBinding)}break;case"AssignmentPattern":checkLVal(expr.left);break;case"SpreadProperty":case"VirtualPropertyExpression":break;case"RestElement":checkLVal(expr.argument);break;default:raise(expr.start,"Assigning to rvalue")}}function parseTopLevel(node){var first=true;if(!node.body)node.body=[];while(tokType!==_eof){var stmt=parseStatement(true,true);node.body.push(stmt);if(first&&isUseStrict(stmt))setStrict(true);first=false}next();return finishNode(node,"Program")}var loopLabel={kind:"loop"},switchLabel={kind:"switch"};function parseStatement(declaration,topLevel){var starttype=tokType,node=startNode();switch(starttype){case _break:case _continue:return parseBreakContinueStatement(node,starttype.keyword);case _debugger:return parseDebuggerStatement(node);case _do:return parseDoStatement(node);case _for:return parseForStatement(node);case _function:if(!declaration&&options.ecmaVersion>=6)unexpected();return parseFunctionStatement(node);case _class:if(!declaration)unexpected();return parseClass(node,true);case _if:return parseIfStatement(node);case _return:return parseReturnStatement(node);case _switch:return parseSwitchStatement(node);case _throw:return parseThrowStatement(node);case _try:return parseTryStatement(node);case _let:case _const:if(!declaration)unexpected();case _var:return parseVarStatement(node,starttype.keyword);case _while:return parseWhileStatement(node);case _with:return parseWithStatement(node);case _braceL:return parseBlock();case _semi:return parseEmptyStatement(node);case _export:case _import:if(!topLevel&&!options.allowImportExportEverywhere)raise(tokStart,"'import' and 'export' may only appear at the top level");return starttype===_import?parseImport(node):parseExport(node);default:var maybeName=tokVal,expr=parseExpression();if(options.ecmaVersion>=7&&starttype===_name&&maybeName==="async"&&tokType===_function&&!canInsertSemicolon()){next();var func=parseFunctionStatement(node);func.async=true;return func}if(starttype===_name&&expr.type==="Identifier"){if(eat(_colon)){return parseLabeledStatement(node,maybeName,expr)}if(options.ecmaVersion>=7&&expr.name==="private"&&tokType===_name){return parsePrivate(node)}else if(expr.name==="declare"){if(tokType===_class||tokType===_name||tokType===_function||tokType===_var){return parseDeclare(node)}}else if(tokType===_name){if(expr.name==="interface"){return parseInterface(node)}else if(expr.name==="type"){return parseTypeAlias(node)}}}if(expr.type==="FunctionExpression"&&expr.async){if(expr.id){expr.type="FunctionDeclaration";return expr}else{unexpected(expr.start+"async function ".length)}}return parseExpressionStatement(node,expr)}}function parseBreakContinueStatement(node,keyword){var isBreak=keyword=="break";next();if(eat(_semi)||canInsertSemicolon())node.label=null;else if(tokType!==_name)unexpected();else{node.label=parseIdent();semicolon()}for(var i=0;i<labels.length;++i){var lab=labels[i];if(node.label==null||lab.name===node.label.name){if(lab.kind!=null&&(isBreak||lab.kind==="loop"))break;if(node.label&&isBreak)break}}if(i===labels.length)raise(node.start,"Unsyntactic "+keyword);return finishNode(node,isBreak?"BreakStatement":"ContinueStatement")}function parseDebuggerStatement(node){next();semicolon();return finishNode(node,"DebuggerStatement")}function parseDoStatement(node){next();labels.push(loopLabel);node.body=parseStatement(false);labels.pop();expect(_while);node.test=parseParenExpression();if(options.ecmaVersion>=6)eat(_semi);else semicolon();return finishNode(node,"DoWhileStatement")}function parseForStatement(node){next();labels.push(loopLabel);expect(_parenL);if(tokType===_semi)return parseFor(node,null);if(tokType===_var||tokType===_let){var init=startNode(),varKind=tokType.keyword,isLet=tokType===_let;next();parseVar(init,true,varKind);finishNode(init,"VariableDeclaration");if((tokType===_in||options.ecmaVersion>=6&&isContextual("of"))&&init.declarations.length===1&&!(isLet&&init.declarations[0].init))return parseForIn(node,init);return parseFor(node,init)}var refShorthandDefaultPos={start:0};var init=parseExpression(true,refShorthandDefaultPos);if(tokType===_in||options.ecmaVersion>=6&&isContextual("of")){toAssignable(init);checkLVal(init);return parseForIn(node,init)}else if(refShorthandDefaultPos.start){unexpected(refShorthandDefaultPos.start)}return parseFor(node,init)}function parseFunctionStatement(node){next();return parseFunction(node,true,false)}function parseIfStatement(node){next();node.test=parseParenExpression();node.consequent=parseStatement(false);node.alternate=eat(_else)?parseStatement(false):null;return finishNode(node,"IfStatement")}function parseReturnStatement(node){if(!inFunction&&!options.allowReturnOutsideFunction)raise(tokStart,"'return' outside of function");next();if(eat(_semi)||canInsertSemicolon())node.argument=null;else{node.argument=parseExpression();semicolon()}return finishNode(node,"ReturnStatement")}function parseSwitchStatement(node){next();node.discriminant=parseParenExpression();node.cases=[];expect(_braceL);labels.push(switchLabel);for(var cur,sawDefault;tokType!=_braceR;){if(tokType===_case||tokType===_default){var isCase=tokType===_case;if(cur)finishNode(cur,"SwitchCase");node.cases.push(cur=startNode());cur.consequent=[];next();if(isCase)cur.test=parseExpression();else{if(sawDefault)raise(lastStart,"Multiple default clauses");sawDefault=true;cur.test=null}expect(_colon)}else{if(!cur)unexpected();cur.consequent.push(parseStatement(true))}}if(cur)finishNode(cur,"SwitchCase");next();labels.pop();return finishNode(node,"SwitchStatement")}function parseThrowStatement(node){next();if(newline.test(input.slice(lastE