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yyc

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中文编程解释器, YY language complier

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/* parser generated by jison 0.4.18 */ /* Returns a Parser object of the following structure: Parser: { yy: {} } Parser.prototype: { yy: {}, trace: function(), symbols_: {associative list: name ==> number}, terminals_: {associative list: number ==> name}, productions_: [...], performAction: function anonymous(yytext, yyleng, yylineno, yy, yystate, $$, _$), table: [...], defaultActions: {...}, parseError: function(str, hash), parse: function(input), lexer: { EOF: 1, parseError: function(str, hash), setInput: function(input), input: function(), unput: function(str), more: function(), less: function(n), pastInput: function(), upcomingInput: function(), showPosition: function(), test_match: function(regex_match_array, rule_index), next: function(), lex: function(), begin: function(condition), popState: function(), _currentRules: function(), topState: function(), pushState: function(condition), options: { ranges: boolean (optional: true ==> token location info will include a .range[] member) flex: boolean (optional: true ==> flex-like lexing behaviour where the rules are tested exhaustively to find the longest match) backtrack_lexer: boolean (optional: true ==> lexer regexes are tested in order and for each matching regex the action code is invoked; the lexer terminates the scan when a token is returned by the action code) }, performAction: function(yy, yy_, $avoiding_name_collisions, YY_START), rules: [...], conditions: {associative list: name ==> set}, } } token location info (@$, _$, etc.): { first_line: n, last_line: n, first_column: n, last_column: n, range: [start_number, end_number] (where the numbers are indexes into the input string, regular zero-based) } the parseError function receives a 'hash' object with these members for lexer and parser errors: { text: (matched text) token: (the produced terminal token, if any) line: (yylineno) } while parser (grammar) errors will also provide these members, i.e. parser errors deliver a superset of attributes: { loc: (yylloc) expected: (string describing the set of expected tokens) recoverable: (boolean: TRUE when the parser has a error recovery rule available for this particular error) } */ var yy = (function(){ var o=function(k,v,o,l){for(o=o||{},l=k.length;l--;o[k[l]]=v);return o},$V0=[1,23],$V1=[1,24],$V2=[1,25],$V3=[1,11],$V4=[1,13],$V5=[1,14],$V6=[1,15],$V7=[1,16],$V8=[1,17],$V9=[1,18],$Va=[1,19],$Vb=[1,20],$Vc=[1,22],$Vd=[1,21],$Ve=[21,28,29,34,48,49,50,51,56,57,58,59,62,69,79],$Vf=[1,30],$Vg=[1,31],$Vh=[5,6,7,8,9,10,11,12,13,14,15,16,17,21,24,26,28,29,31,34,36,37,39,42,43,48,49,50,51,53,56,57,58,59,62,69,79],$Vi=[2,24],$Vj=[1,47],$Vk=[1,45],$Vl=[1,46],$Vm=[1,58],$Vn=[1,60],$Vo=[1,61],$Vp=[1,62],$Vq=[1,52],$Vr=[1,53],$Vs=[1,54],$Vt=[1,55],$Vu=[1,81],$Vv=[1,82],$Vw=[1,87],$Vx=[16,31],$Vy=[1,88],$Vz=[1,89],$VA=[1,90],$VB=[1,91],$VC=[1,92],$VD=[1,94],$VE=[1,93],$VF=[1,95],$VG=[1,96],$VH=[1,97],$VI=[1,98],$VJ=[5,6,7,8,9,10,11,12,13,14,16,17,21,28,29,31,34,36,37,39,42,43,48,49,50,51,53,56,57,58,59,62,69,79],$VK=[5,6,7,8,9,10,11,12,13,14,16,17,21,24,28,29,31,34,36,37,39,42,43,48,49,50,51,53,56,57,58,59,62,69,79],$VL=[2,82],$VM=[1,112],$VN=[1,111],$VO=[21,28,29,34,36,39,42,43,48,49,50,51,53,56,57,58,59,62,69,79],$VP=[34,36,39,42,43,48,49,50,51,53,56,57,58,59],$VQ=[1,129],$VR=[5,6,7,8,9,10,11,12,13,16,21,28,29,31,34,36,37,39,42,43,48,49,50,51,53,56,57,58,59,62,69,79],$VS=[5,6,9,10,11,12,13,16,21,28,29,31,34,36,37,39,42,43,48,49,50,51,53,56,57,58,59,62,69,79],$VT=[24,31],$VU=[31,53],$VV=[21,53],$VW=[9,10,11,12,13,16,21,28,29,31,34,36,37,39,42,43,48,49,50,51,53,56,57,58,59,62,69,79],$VX=[1,174],$VY=[1,178],$VZ=[1,179],$V_=[1,184],$V$=[36,39,53]; var parser = {trace: function trace () { }, yy: {}, symbols_: {"error":2,"expression":3,"JSON":4,"+":5,"-":6,"/":7,"*":8,">":9,"=":10,"<":11,"|":12,"&":13,"!":14,"(":15,")":16,"%":17,"array_value":18,"fn_value":19,"call_function":20,"NAME":21,"[":22,"number_value":23,"]":24,"NUMBER":25,".":26,"name":27,"THIS":28,"ASSERT":29,"args":30,",":31,"parameters":32,"print_expression":33,"PRINT":34,"case_expression":35,"CASE":36,":":37,"common_block":38,"DEFAULT":39,"match_block":40,"return_value":41,"RETURN":42,"BREAK":43,"cover":44,"cover_assign":45,"literal_statement":46,"control_flow":47,"LET":48,"CONST":49,"DEF":50,"FN":51,"{":52,"}":53,"array":54,"JSONArray":55,"IF":56,"MATCH":57,"LOOP":58,"EACH":59,"FROM":60,"module":61,"IMPORT":62,"STRING":63,"AS":64,"line":65,"CLASSParser":66,"program":67,"start_scan":68,"EOF":69,"ERROR":70,"TRUE":71,"FALSE":72,"NULL":73,"JSONObject":74,"JSONObjectMembers":75,"JSONObjectPair":76,"CLASSFn":77,"CLASSBlock":78,"CLASS":79,"JSONArrayElements":80,"$accept":0,"$end":1}, terminals_: {5:"+",6:"-",7:"/",8:"*",9:">",10:"=",11:"<",12:"|",13:"&",14:"!",15:"(",16:")",17:"%",21:"NAME",22:"[",24:"]",25:"NUMBER",26:".",28:"THIS",29:"ASSERT",31:",",34:"PRINT",36:"CASE",37:":",39:"DEFAULT",42:"RETURN",43:"BREAK",48:"LET",49:"CONST",50:"DEF",51:"FN",52:"{",53:"}",56:"IF",57:"MATCH",58:"LOOP",59:"EACH",60:"FROM",62:"IMPORT",63:"STRING",64:"AS",69:"EOF",70:"ERROR",71:"TRUE",72:"FALSE",73:"NULL",79:"CLASS"}, productions_: [0,[3,1],[3,3],[3,3],[3,3],[3,3],[3,3],[3,4],[3,3],[3,4],[3,4],[3,4],[3,4],[3,4],[3,2],[3,3],[3,2],[3,2],[3,1],[3,1],[19,1],[18,4],[23,1],[23,3],[27,1],[27,1],[27,1],[27,3],[20,3],[20,4],[30,1],[30,3],[32,1],[32,3],[33,4],[35,4],[35,3],[40,1],[40,2],[41,1],[41,1],[41,2],[44,3],[45,1],[38,1],[38,1],[38,1],[38,1],[38,1],[38,1],[38,2],[38,2],[38,2],[38,2],[46,4],[46,4],[46,4],[46,10],[54,1],[54,1],[47,7],[47,7],[47,4],[47,9],[61,4],[65,1],[65,1],[65,1],[65,1],[65,1],[65,1],[65,1],[67,1],[67,2],[68,2],[2,1],[4,1],[4,1],[4,1],[4,1],[4,1],[4,1],[4,1],[4,1],[74,2],[74,3],[75,1],[75,3],[76,3],[76,3],[77,6],[77,7],[78,1],[78,2],[66,5],[55,2],[55,3],[80,1],[80,3]], performAction: function anonymous(yytext, yyleng, yylineno, yy, yystate /* action[1] */, $$ /* vstack */, _$ /* lstack */) { /* this == yyval */ var $0 = $$.length - 1; switch (yystate) { case 1: case 18: case 43: this.$ = $$[$0]; break; case 2: this.$ = VM.operators.add($$[$0-2], $$[$0]); break; case 3: this.$ = VM.operators.subtract($$[$0-2], $$[$0]); break; case 4: this.$ = VM.operators.divide($$[$0-2], $$[$0]) ; break; case 5: this.$ = VM.operators.multiply($$[$0-2], $$[$0]); break; case 6: this.$ = VM.operators.gt($$[$0-2], $$[$0]); break; case 7: this.$ = VM.operators.gte($$[$0-3], $$[$0]); break; case 8: this.$ = VM.operators.lt($$[$0-2], $$[$0]); break; case 9: this.$ = VM.operators.lte($$[$0-3], $$[$0]); break; case 10: this.$ = VM.operators.eq($$[$0-3], $$[$0]); break; case 11: this.$ = VM.operators.or($$[$0-3], $$[$0]); break; case 12: this.$ = VM.operators.and($$[$0-3], $$[$0]); break; case 13: this.$ = VM.operators.ne($$[$0-3], $$[$0]); break; case 14: this.$ = VM.operators.not($$[$0]); break; case 15: this.$ = $$[$0-1]; break; case 16: this.$ = $$[$0-1]/100; break; case 17: this.$ = -$$[$0]; break; case 19: case 37: case 44: case 45: case 46: case 47: case 48: case 49: case 65: case 66: case 67: case 68: case 69: case 70: case 71: case 92: this.$ = VM.parse($$[$0]); break; case 21: this.$ = $$[$0-3][$$[$0-1]] break; case 22: case 24: case 58: case 59: case 72: case 76: case 78: case 82: case 83: this.$ = $$[$0] break; case 23: this.$ = `${$$[$0-2]}.${$$[$0]}` break; case 25: this.$ = "this" break; case 26: this.$ = "assert" break; case 27: this.$ = $$[$0-2] + $$[$0-1] + $$[$0] break; case 28: this.$ = { type: 'callFunction', name: $$[$0-2], args: [] } break; case 29: this.$ = { type: 'callFunction', name: $$[$0-3], args: $$[$0-1] } break; case 30: this.$ = [VM.parse($$[$0])]; break; case 31: $$[$0-2].push(VM.parse($$[$0])); this.$ = $$[$0-2]; break; case 32: this.$ = [$$[$0]]; break; case 33: $$[$0-2].push($$[$0]); this.$ = $$[$0-2]; break; case 34: this.$ = { type: 'callFunction', name: 'print', args: $$[$0-1] } break; case 35: this.$ = { type: 'case', when: $$[$0-2], fact: $$[$0] } break; case 36: this.$ = { type: 'default', fact: $$[$0] } break; case 38: case 50: case 51: case 52: case 53: case 93: this.$ = VM.parse($$[$0-1]) + VM.parse($$[$0]); break; case 39: this.$ = { type: 'return' }; break; case 40: this.$ = { type: 'break' }; break; case 41: this.$ = { type: 'return', fact: $$[$0] }; break; case 42: this.$ = { type: 'cover', name: $$[$0-2], fact: $$[$0] }; break; case 54: this.$ = { type: 'let', name: $$[$0-2], fact: $$[$0] } break; case 55: this.$ = { type: 'const', name: $$[$0-2], fact: $$[$0] } break; case 56: this.$ = { type: 'def', name: $$[$0-2], fact: $$[$0] } break; case 57: this.$ = { type: 'fn', name: $$[$0-8], args: [$$[$0-4]], fact: $$[$0-1] } break; case 60: this.$ = { type: 'if', when: $$[$0-4], fact: $$[$0-1] } break; case 61: this.$ = { type: 'match', when: $$[$0-4], fact: $$[$0-1] } break; case 62: this.$ = { type: 'loop', fact: $$[$0-1] } break; case 63: this.$ = { type: 'each', name: $$[$0-6], args: $$[$0-4], fact: $$[$0-1] } break; case 64: this.$ = { type: 'import', name: $$[$0], args: $$[$0-2] } break; case 73: this.$ = $$[$0-1] + $$[$0]; break; case 74: return $$[$0-1]; break; case 75: this.$ = VM.throwError($$[$0]); break; case 77: this.$ = VM.helper.toNumber($$[$0]) break; case 79: this.$ = true break; case 80: this.$ = false break; case 81: this.$ = null break; case 84: this.$ = {} break; case 85: case 96: this.$ = $$[$0-1] break; case 86: temp = {}; temp[$$[$0][0]] = $$[$0][1]; this.$ = temp break; case 87: $$[$0-2][$$[$0][0]] = $$[$0][1]; this.$ = $$[$0-2] break; case 88: case 89: this.$ = [$$[$0-2], VM.helper.trimEdges($$[$0])]; break; case 90: this.$ = { type: 'classFunction', name: $$[$0-5], args: [], fact: $$[$0-1] } break; case 91: this.$ = { type: 'classFunction', name: $$[$0-6], args: [$$[$0-4]], fact: $$[$0-1] } break; case 94: this.$ = { type: 'class', name: $$[$0-3], fact: $$[$0-1] } break; case 95: this.$ = [] break; case 97: this.$ = [$$[$0]] break; case 98: this.$ = $$[$0-2]; $$[$0-2].push($$[$0]) break; } }, table: 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defaultActions: {26:[2,74],157:[2,58],158:[2,59]}, parseError: function parseError (str, hash) { if (hash.recoverable) { this.trace(str); } else { var error = new Error(str); error.hash = hash; throw error; } }, parse: function parse(input) { var self = this, stack = [0], tstack = [], vstack = [null], lstack = [], table = this.table, yytext = '', yylineno = 0, yyleng = 0, recovering = 0, TERROR = 2, EOF = 1; var args = lstack.slice.call(arguments, 1); var lexer = Object.create(this.lexer); var sharedState = { yy: {} }; for (var k in this.yy) { if (Object.prototype.hasOwnProperty.call(this.yy, k)) { sharedState.yy[k] = this.yy[k]; } } lexer.setInput(input, sharedState.yy); sharedState.yy.lexer = lexer; sharedState.yy.parser = this; if (typeof lexer.yylloc == 'undefined') { lexer.yylloc = {}; } var yyloc = lexer.yylloc; lstack.push(yyloc); var ranges = lexer.options && lexer.options.ranges; if (typeof sharedState.yy.parseError === 'function') { this.parseError = sharedState.yy.parseError; } else { this.parseError = Object.getPrototypeOf(this).parseError; } function popStack(n) { stack.length = stack.length - 2 * n; vstack.length = vstack.length - n; lstack.length = lstack.length - n; } _token_stack: var lex = function () { var token; token = lexer.lex() || EOF; if (typeof token !== 'number') { token = self.symbols_[token] || token; } return token; }; var symbol, preErrorSymbol, state, action, a, r, yyval = {}, p, len, newState, expected; while (true) { state = stack[stack.length - 1]; if (this.defaultActions[state]) { action = this.defaultActions[state]; } else { if (symbol === null || typeof symbol == 'undefined') { symbol = lex(); } action = table[state] && table[state][symbol]; } if (typeof action === 'undefined' || !action.length || !action[0]) { var errStr = ''; expected = []; for (p in table[state]) { if (this.terminals_[p] && p > TERROR) { expected.push('\'' + this.terminals_[p] + '\''); } } if (lexer.showPosition) { errStr = 'Parse error on line ' + (yylineno + 1) + ':\n' + lexer.showPosition() + '\nExpecting ' + expected.join(', ') + ', got \'' + (this.terminals_[symbol] || symbol) + '\''; } else { errStr = 'Parse error on line ' + (yylineno + 1) + ': Unexpected ' + (symbol == EOF ? 'end of input' : '\'' + (this.terminals_[symbol] || symbol) + '\''); } this.parseError(errStr, { text: lexer.match, token: this.terminals_[symbol] || symbol, line: lexer.yylineno, loc: yyloc, expected: expected }); } if (action[0] instanceof Array && action.length > 1) { throw new Error('Parse Error: multiple actions possible at state: ' + state + ', token: ' + symbol); } switch (action[0]) { case 1: stack.push(symbol); vstack.push(lexer.yytext); lstack.push(lexer.yylloc); stack.push(action[1]); symbol = null; if (!preErrorSymbol) { yyleng = lexer.yyleng; yytext = lexer.yytext; yylineno = lexer.yylineno; yyloc = lexer.yylloc; if (recovering > 0) { recovering--; } } else { symbol = preErrorSymbol; preErrorSymbol = null; } break; case 2: len = this.productions_[action[1]][1]; yyval.$ = vstack[vstack.length - len]; yyval._$ = { first_line: lstack[lstack.length - (len || 1)].first_line, last_line: lstack[lstack.length - 1].last_line, first_column: lstack[lstack.length - (len || 1)].first_column, last_column: lstack[lstack.length - 1].last_column }; if (ranges) { yyval._$.range = [ lstack[lstack.length - (len || 1)].range[0], lstack[lstack.length - 1].range[1] ]; } r = this.performAction.apply(yyval, [ yytext, yyleng, yylineno, sharedState.yy, action[1], vstack, lstack ].concat(args)); if (typeof r !== 'undefined') { return r; } if (len) { stack = stack.slice(0, -1 * len * 2); vstack = vstack.slice(0, -1 * len); lstack = lstack.slice(0, -1 * len); } stack.push(this.productions_[action[1]][0]); vstack.push(yyval.$); lstack.push(yyval._$); newState = table[stack[stack.length - 2]][stack[stack.length - 1]]; stack.push(newState); break; case 3: return true; } } return true; }}; const VM = require('../lib/vm.js'); /* generated by jison-lex 0.3.4 */ var lexer = (function(){ var lexer = ({ EOF:1, parseError:function parseError(str, hash) { if (this.yy.parser) { this.yy.parser.parseError(str, hash); } else { throw new Error(str); } }, // resets the lexer, sets new input setInput:function (input, yy) { this.yy = yy || this.yy || {}; this._input = input; this._more = this._backtrack = this.done = false; this.yylineno = this.yyleng = 0; this.yytext = this.matched = this.match = ''; this.conditionStack = ['INITIAL']; this.yylloc = { first_line: 1, first_column: 0, last_line: 1, last_column: 0 }; if (this.options.ranges) { this.yylloc.range = [0,0]; } this.offset = 0; return this; }, // consumes and returns one char from the input input:function () { var ch = this._input[0]; this.yytext += ch; this.yyleng++; this.offset++; this.match += ch; this.matched += ch; var lines = ch.match(/(?:\r\n?|\n).*/g); if (lines) { this.yylineno++; this.yylloc.last_line++; } else { this.yylloc.last_column++; } if (this.options.ranges) { this.yylloc.range[1]++; } this._input = this._input.slice(1); return ch; }, // unshifts one char (or a string) into the input unput:function (ch) { var len = ch.length; var lines = ch.split(/(?:\r\n?|\n)/g); this._input = ch + this._input; this.yytext = this.yytext.substr(0, this.yytext.length - len); //this.yyleng -= len; this.offset -= len; var oldLines = this.match.split(/(?:\r\n?|\n)/g); this.match = this.match.substr(0, this.match.length - 1); this.matched = this.matched.substr(0, this.matched.length - 1); if (lines.length - 1) { this.yylineno -= lines.length - 1; } var r = this.yylloc.range; this.yylloc = { first_line: this.yylloc.first_line, last_line: this.yylineno + 1, first_column: this.yylloc.first_column, last_column: lines ? (lines.length === oldLines.length ? this.yylloc.first_column : 0) + oldLines[oldLines.length - lines.length].length - lines[0].length : this.yylloc.first_column - len }; if (this.options.ranges) { this.yylloc.range = [r[0], r[0] + this.yyleng - len]; } this.yyleng = this.yytext.length; return this; }, // When called from action, caches matched text and appends it on next action more:function () { this._more = true; return this; }, // When called from action, signals the lexer that this rule fails to match the input, so the next matching rule (regex) should be tested instead. reject:function () { if (this.options.backtrack_lexer) { this._backtrack = true; } else { return this.parseError('Lexical error on line ' + (this.yylineno + 1) + '. You can only invoke reject() in the lexer when the lexer is of the backtracking persuasion (options.backtrack_lexer = true).\n' + this.showPosition(), { text: "", token: null, line: this.yylineno }); } return this; }, // retain first n characters of the match less:function (n) { this.unput(this.match.slice(n)); }, // displays already matched input, i.e. for error messages pastInput:function () { var past = this.matched.substr(0, this.matched.length - this.match.length); return (past.length > 20 ? '...':'') + past.substr(-20).replace(/\n/g, ""); }, // displays upcoming input, i.e. for error messages upcomingInput:function () { var next = this.match; if (next.length < 20) { next += this._input.substr(0, 20-next.length); } return (next.substr(0,20) + (next.length > 20 ? '...' : '')).replace(/\n/g, ""); }, // displays the character position where the lexing error occurred, i.e. for error messages showPosition:function () { var pre = this.pastInput(); var c = new Array(pre.length + 1).join("-"); return pre + this.upcomingInput() + "\n" + c + "^"; }, // test the lexed token: return FALSE when not a match, otherwise return token test_match:function(match, indexed_rule) { var token, lines, backup; if (this.options.backtrack_lexer) { // save context backup = { yylineno: this.yylineno, yylloc: { first_line: this.yylloc.first_line, last_line: this.last_line, first_column: this.yylloc.first_column, last_column: this.yylloc.last_column }, yytext: this.yytext, match: this.match, matches: this.matches, matched: this.matched, yyleng: this.yyleng, offset: this.offset, _more: this._more, _input: this._input, yy: this.yy, conditionStack: this.conditionStack.slice(0), done: this.done }; if (this.options.ranges) { backup.yylloc.range = this.yylloc.range.slice(0); } } lines = match[0].match(/(?:\r\n?|\n).*/g); if (lines) { this.yylineno += lines.length; } this.yylloc = { first_line: this.yylloc.last_line, last_line: this.yylineno + 1, first_column: this.yylloc.last_column, last_column: lines ? lines[lines.length - 1].length - lines[lines.length - 1].match(/\r?\n?/)[0].length : this.yylloc.last_column + match[0].length }; this.yytext += match[0]; this.match += match[0]; this.matches = match; this.yyleng = this.yytext.length; if (this.options.ranges) { this.yylloc.range = [this.offset, this.offset += this.yyleng]; } this._more = false; this._backtrack = false; this._input = this._input.slice(match[0].length); this.matched += match[0]; token = this.performAction.call(this, this.yy, this, indexed_rule, this.conditionStack[this.conditionStack.length - 1]); if (this.done && this._input) { this.done = false; } if (token) { return token; } else if (this._backtrack) { // recover context for (var k in backup) { this[k] = backup[k]; } return false; // rule action called reject() implying the next rule should be tested instead. } return false; }, // return next match in input next:function () { if (this.done) { return this.EOF; } if (!this._input) { this.done = true; } var token, match, tempMatch, index; if (!this._more) { this.yytext = ''; this.match = ''; } var rules = this._currentRules(); for (var i = 0; i < rules.length; i++) { tempMatch = this._input.match(this.rules[rules[i]]); if (tempMatch && (!match || tempMatch[0].length > match[0].length)) { match = tempMatch; index = i; if (this.options.backtrack_lexer) { token = this.test_match(tempMatch, rules[i]); if (token !== false) { return token; } else if (this._backtrack) { match = false; continue; // rule action called reject() implying a rule MISmatch. } else { // else: this is a lexer rule which consumes input without producing a token (e.g. whitespace) return false; } } else if (!this.options.flex) { break; } } } if (match) { token = this.test_match(match, rules[index]); if (token !== false) { return token; } // else: this is a lexer rule which consumes input without producing a token (e.g. whitespace) return false; } if (this._input === "") { return this.EOF; } else { return this.parseError('Lexical error on line ' + (this.yylineno + 1) + '. Unrecognized text.\n' + this.showPosition(), { text: "", token: null, line: this.yylineno }); } }, // return next match that has a token lex:function lex () { var r = this.next(); if (r) { return r; } else { return this.lex(); } }, // activates a new lexer condition state (pushes the new lexer condition state onto the condition stack) begin:function begin (condition) { this.conditionStack.push(condition); }, // pop the previously active lexer condition state off the condition stack popState:function popState () { var n = this.conditionStack.length - 1; if (n > 0) { return this.conditionStack.pop(); } else { return this.conditionStack[0]; } }, // produce the lexer rule set which is active for the currently active lexer condition state _currentRules:function _currentRules () { if (this.conditionStack.length && this.conditionStack[this.conditionStack.length - 1]) { return this.conditions[this.conditionStack[this.conditionStack.length - 1]].rules; } else { return this.conditions["INITIAL"].rules; } }, // return the currently active lexer condition state; when an index argument is provided it produces the N-th previous condition state, if available topState:function topState (n) { n = this.conditionStack.length - 1 - Math.abs(n || 0); if (n >= 0) { return this.conditionStack[n]; } else { return "INITIAL"; } }, // alias for begin(condition) pushState:function pushState (condition) { this.begin(condition); }, // return the number of states currently on the stack stateStackSize:function stateStackSize() { return this.conditionStack.length; }, options: {}, performAction: function anonymous(yy,yy_,$avoiding_name_collisions,YY_START) { var YYSTATE=YY_START; switch($avoiding_name_collisions) { case 0:/* skip whitespace */ break; case 1:/* skip whitespace */ break; case 2:return 50; break; case 3:return 48; break; case 4:return 49; break; case 5:return 51; break; case 6:return 62; break; case 7:return 64; break; case 8:return 34; break; case 9:return 56; break; case 10:return 57; break; case 11:return 36; break; case 12:return 43; break; case 13:return 42; break; case 14:return 39; break; case 15:return 58; break; case 16:return 59; break; case 17:return 60; break; case 18:return 79; break; case 19:return 28; break; case 20:return 29; break; case 21:return 50; break; case 22:return 48; break; case 23:return 49; break; case 24:return 51; break; case 25:return 62; break; case 26:return 64; break; case 27:return 34; break; case 28:return 56; break; case 29:return 57; break; case 30:return 36; break; case 31:return 43; break; case 32:return 42; break; case 33:return 39; break; case 34:return 58; break; case 35:return 59; break; case 36:return 60; break; case 37:return 79; break; case 38:return 28; break; case 39:return 29; break; case 40:return 63; break; case 41:return 63; break; case 42:return 63; break; case 43:return 70; break; case 44:return 21; break; case 45:return 21; break; case 46:return 25; break; case 47:return 13; break; case 48:return ' '; break; case 49:return 31; break; case 50:return 8; break; case 51:return 7; break; case 52:return 6; break; case 53:return 5; break; case 54:return '^'; break; case 55:return 12; break; case 56:return 15; break; case 57:return 16; break; case 58:return 52; break; case 59:return 53; break; case 60:return 22; break; case 61:return 24; break; case 62:return 11; break; case 63:return 9; break; case 64:return '`'; break; case 65:return '"'; break; case 66:return "'"; break; case 67:return 14; break; case 68:return 17 break; case 69:return 10 break; case 70:return 37 break; case 71:return 26 break; case 72:return 72; break; case 73:return 71; break; case 74:return 73; break; case 75:return 69; break; } }, rules: [/^(?:\s+)/,/^(?:[##^\n].*)/,/^(?:定义)/,/^(?:变量)/,/^(?:常量)/,/^(?:函数)/,/^(?:引入)/,/^(?:作为)/,/^(?:打印)/,/^(?:如果)/,/^(?:匹配)/,/^(?:场景)/,/^(?:终止)/,/^(?:返回)/,/^(?:默认)/,/^(?:循环)/,/^(?:遍历)/,/^(?:来自)/,/^(?:特征)/,/^(?:此)/,/^(?:断言)/,/^(?:def\b)/,/^(?:let\b)/,/^(?:const\b)/,/^(?:fn\b)/,/^(?:import\b)/,/^(?:as\b)/,/^(?:print\b)/,/^(?:if\b)/,/^(?:match\b)/,/^(?:case\b)/,/^(?:break\b)/,/^(?:return\b)/,/^(?:default\b)/,/^(?:while\b)/,/^(?:each\b)/,/^(?:from\b)/,/^(?:class\b)/,/^(?:this\b)/,/^(?:assert\b)/,/^(?:"(\\["]|[^"])*")/,/^(?:'(\\[']|[^'])*')/,/^(?:`(\\[`]|[^`])*`)/,/^(?:ERROR\b)/,/^(?:[a-zA-Z][a-zA-Z0-9?]*)/,/^(?:[\u4e00-\u9fa5]+[0-9]*)/,/^(?:[0-9]+(\.[0-9]+)??\b)/,/^(?:&)/,/^(?: )/,/^(?:,)/,/^(?:\*)/,/^(?:\/)/,/^(?:-)/,/^(?:\+)/,/^(?:\^)/,/^(?:\|)/,/^(?:\()/,/^(?:\))/,/^(?:\{)/,/^(?:\})/,/^(?:\[)/,/^(?:\])/,/^(?:<)/,/^(?:>)/,/^(?:`)/,/^(?:")/,/^(?:')/,/^(?:!)/,/^(?:%)/,/^(?:=)/,/^(?::)/,/^(?:\.)/,/^(?:false\b)/,/^(?:true\b)/,/^(?:null\b)/,/^(?:$)/], conditions: {"INITIAL":{"rules":[0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,26,27,28,29,30,31,32,33,34,35,36,37,38,39,40,41,42,43,44,45,46,47,48,49,50,51,52,53,54,55,56,57,58,59,60,61,62,63,64,65,66,67,68,69,70,71,72,73,74,75],"inclusive":true}} }); return lexer; })(); parser.lexer = lexer; function Parser () { this.yy = {}; } Parser.prototype = parser;parser.Parser = Parser; return new Parser; })(); if (typeof require !== 'undefined' && typeof exports !== 'undefined') { exports.parser = yy; exports.Parser = yy.Parser; exports.parse = function () { return yy.parse.apply(yy, arguments); }; exports.main = function commonjsMain (args) { if (!args[1]) { console.log('Usage: '+args[0]+' FILE'); process.exit(1); } var source = require('fs').readFileSync(require('path').normalize(args[1]), "utf8"); return exports.parser.parse(source); }; if (typeof module !== 'undefined' && require.main === module) { exports.main(process.argv.slice(1)); } }