1 line
13 KiB
JavaScript
1 line
13 KiB
JavaScript
|
'use strict';Object.defineProperty(exports,'__esModule',{value:true});var _typeof=typeof Symbol==='function'&&typeof Symbol.iterator==='symbol'?function(obj){return typeof obj}:function(obj){return obj&&typeof Symbol==='function'&&obj.constructor===Symbol&&obj!==Symbol.prototype?'symbol':typeof obj};exports.default=parse;var _util=require('./util');var util=_interopRequireWildcard(_util);function _interopRequireWildcard(obj){if(obj&&obj.__esModule){return obj}else{var newObj={};if(obj!=null){for(var key in obj){if(Object.prototype.hasOwnProperty.call(obj,key))newObj[key]=obj[key]}}newObj.default=obj;return newObj}}var source=void 0;var parseState=void 0;var stack=void 0;var pos=void 0;var line=void 0;var column=void 0;var token=void 0;var key=void 0;var root=void 0;function parse(text,reviver){source=String(text);parseState='start';stack=[];pos=0;line=1;column=0;token=undefined;key=undefined;root=undefined;do{token=lex();parseStates[parseState]()}while(token.type!=='eof');if(typeof reviver==='function'){return internalize({'':root},'',reviver)}return root}function internalize(holder,name,reviver){var value=holder[name];if(value!=null&&(typeof value==='undefined'?'undefined':_typeof(value))==='object'){for(var _key in value){var replacement=internalize(value,_key,reviver);if(replacement===undefined){delete value[_key]}else{value[_key]=replacement}}}return reviver.call(holder,name,value)}var lexState=void 0;var buffer=void 0;var doubleQuote=void 0;var _sign=void 0;var c=void 0;function lex(){lexState='default';buffer='';doubleQuote=false;_sign=1;for(;;){c=peek();var _token=lexStates[lexState]();if(_token){return _token}}}function peek(){if(source[pos]){return String.fromCodePoint(source.codePointAt(pos))}}function read(){var c=peek();if(c==='\n'){line++;column=0}else if(c){column+=c.length}else{column++}if(c){pos+=c.length}return c}var lexStates={default:function _default(){switch(c){case'\t':case'\x0B':case'\f':case' ':case'\xA0':case'\uFEFF':case'\n':case'\r':case'\u2028':case'\u2029':read();return;case'/':read();lexState='comment';return;case undefined:read();return newToken('eof');}if(util.isSpaceSeparator(c)){read();return}return lexStates[parseState]()},comment:function comment(){switch(c){case'*':read();lexState='multiLineComment';return;case'/':read();lexState='singleLineComment';return;}throw invalidChar(read())},multiLineComment:function multiLineComment(){switch(c){case'*':read();lexState='multiLineCommentAsterisk';return;case undefined:throw invalidChar(read());}read()},multiLineCommentAsterisk:function multiLineCommentAsterisk(){switch(c){case'*':read();return;case'/':read();lexState='default';return;case undefined:throw invalidChar(read());}read();lexState='multiLineComment'},singleLineComment:function singleLineComment(){switch(c){case'\n':case'\r':case'\u2028':case'\u2029':read();lexState='default';return;case undefined:read();return newToken('eof');}read()},value:function value(){switch(c){case'{':case'[':return newToken('punctuator',read());case'n':read();literal('ull');return newToken('null',null);case't':read();literal('rue');return newToken('boolean',true);case'f':read();literal('alse');return newToken('boolean',false);case'-':case'+':if(read()==='-'){_sign=-1}lexState='sign';return;case'.':buffer=read();lexState='decimalPointLeading';return;case'0':buffer=read();lexState='zero';return;case'1':case'2':case'3':case'4':case'5':case'6':case'7':case'8':case'9':buffer=read();lexState='decimalInteger';return;case'I':read();literal('nfinity');return newToken('numeric',Infinity);case'N':read();literal('aN');return newToken('numeric',NaN);case'"':case'\'':doubleQuote=read()==='"';buffer='';lexState='string';return;}throw invalidChar(read())},identifierNameStartEscape:function identifierNameStartEscape(){if(c!=='u'){throw invalidChar(read())}read();var u=unicodeEscape();switch(u){case'$':case'_':break;default:if(!util.isIdStartChar(u)){throw invalidIdentifier()}break;}buffer+=u;lexState='identifierName'},identifierName:function identifierName(){switch(c){case'$':case'_':case'\u200C':case'\u200D':buffer+=read();
|