| 1 | /* parser generated by jison 0.4.13 */
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| 2 | /*
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| 3 | Returns a Parser object of the following structure:
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| 4 |
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| 5 | Parser: {
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| 6 | yy: {}
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| 7 | }
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| 8 |
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| 9 | Parser.prototype: {
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| 10 | yy: {},
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| 11 | trace: function(),
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| 12 | symbols_: {associative list: name ==> number},
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| 13 | terminals_: {associative list: number ==> name},
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| 14 | productions_: [...],
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| 15 | performAction: function anonymous(yytext, yyleng, yylineno, yy, yystate, $$, _$),
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| 16 | table: [...],
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| 17 | defaultActions: {...},
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| 18 | parseError: function(str, hash),
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| 19 | parse: function(input),
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| 20 |
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| 21 | lexer: {
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| 22 | EOF: 1,
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| 23 | parseError: function(str, hash),
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| 24 | setInput: function(input),
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| 25 | input: function(),
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| 26 | unput: function(str),
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| 27 | more: function(),
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| 28 | less: function(n),
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| 29 | pastInput: function(),
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| 30 | upcomingInput: function(),
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| 31 | showPosition: function(),
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| 32 | test_match: function(regex_match_array, rule_index),
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| 33 | next: function(),
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| 34 | lex: function(),
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| 35 | begin: function(condition),
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| 36 | popState: function(),
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| 37 | _currentRules: function(),
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| 38 | topState: function(),
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| 39 | pushState: function(condition),
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| 40 |
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| 41 | options: {
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| 42 | ranges: boolean (optional: true ==> token location info will include a .range[] member)
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| 43 | flex: boolean (optional: true ==> flex-like lexing behaviour where the rules are tested exhaustively to find the longest match)
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| 44 | 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)
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| 45 | },
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| 46 |
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| 47 | performAction: function(yy, yy_, $avoiding_name_collisions, YY_START),
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| 48 | rules: [...],
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| 49 | conditions: {associative list: name ==> set},
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| 50 | }
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| 51 | }
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| 52 |
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| 53 |
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| 54 | token location info (@$, _$, etc.): {
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| 55 | first_line: n,
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| 56 | last_line: n,
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| 57 | first_column: n,
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| 58 | last_column: n,
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| 59 | range: [start_number, end_number] (where the numbers are indexes into the input string, regular zero-based)
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| 60 | }
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| 61 |
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| 62 |
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| 63 | the parseError function receives a 'hash' object with these members for lexer and parser errors: {
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| 64 | text: (matched text)
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| 65 | token: (the produced terminal token, if any)
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| 66 | line: (yylineno)
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| 67 | }
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| 68 | while parser (grammar) errors will also provide these members, i.e. parser errors deliver a superset of attributes: {
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| 69 | loc: (yylloc)
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| 70 | expected: (string describing the set of expected tokens)
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| 71 | recoverable: (boolean: TRUE when the parser has a error recovery rule available for this particular error)
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| 72 | }
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| 73 | */
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| 74 | var parser = (function(){
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| 75 | var parser = {trace: function trace() { },
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| 76 | yy: {},
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| 77 | symbols_: {"error":2,"JSON_PATH":3,"DOLLAR":4,"PATH_COMPONENTS":5,"LEADING_CHILD_MEMBER_EXPRESSION":6,"PATH_COMPONENT":7,"MEMBER_COMPONENT":8,"SUBSCRIPT_COMPONENT":9,"CHILD_MEMBER_COMPONENT":10,"DESCENDANT_MEMBER_COMPONENT":11,"DOT":12,"MEMBER_EXPRESSION":13,"DOT_DOT":14,"STAR":15,"IDENTIFIER":16,"SCRIPT_EXPRESSION":17,"INTEGER":18,"END":19,"CHILD_SUBSCRIPT_COMPONENT":20,"DESCENDANT_SUBSCRIPT_COMPONENT":21,"[":22,"SUBSCRIPT":23,"]":24,"SUBSCRIPT_EXPRESSION":25,"SUBSCRIPT_EXPRESSION_LIST":26,"SUBSCRIPT_EXPRESSION_LISTABLE":27,",":28,"STRING_LITERAL":29,"ARRAY_SLICE":30,"FILTER_EXPRESSION":31,"QQ_STRING":32,"Q_STRING":33,"$accept":0,"$end":1},
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| 78 | terminals_: {2:"error",4:"DOLLAR",12:"DOT",14:"DOT_DOT",15:"STAR",16:"IDENTIFIER",17:"SCRIPT_EXPRESSION",18:"INTEGER",19:"END",22:"[",24:"]",28:",",30:"ARRAY_SLICE",31:"FILTER_EXPRESSION",32:"QQ_STRING",33:"Q_STRING"},
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| 79 | productions_: [0,[3,1],[3,2],[3,1],[3,2],[5,1],[5,2],[7,1],[7,1],[8,1],[8,1],[10,2],[6,1],[11,2],[13,1],[13,1],[13,1],[13,1],[13,1],[9,1],[9,1],[20,3],[21,4],[23,1],[23,1],[26,1],[26,3],[27,1],[27,1],[27,1],[25,1],[25,1],[25,1],[29,1],[29,1]],
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| 80 | performAction: function anonymous(yytext, yyleng, yylineno, yy, yystate /* action[1] */, $$ /* vstack */, _$ /* lstack */
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| 81 | /**/) {
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| 82 | /* this == yyval */
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| 83 | if (!yy.ast) {
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| 84 | yy.ast = _ast;
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| 85 | _ast.initialize();
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| 86 | }
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| 87 |
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| 88 | var $0 = $$.length - 1;
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| 89 | switch (yystate) {
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| 90 | case 1:yy.ast.set({ expression: { type: "root", value: $$[$0] } }); yy.ast.unshift(); return yy.ast.yield()
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| 91 | break;
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| 92 | case 2:yy.ast.set({ expression: { type: "root", value: $$[$0-1] } }); yy.ast.unshift(); return yy.ast.yield()
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| 93 | break;
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| 94 | case 3:yy.ast.unshift(); return yy.ast.yield()
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| 95 | break;
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| 96 | case 4:yy.ast.set({ operation: "member", scope: "child", expression: { type: "identifier", value: $$[$0-1] }}); yy.ast.unshift(); return yy.ast.yield()
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| 97 | break;
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| 98 | case 5:
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| 99 | break;
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| 100 | case 6:
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| 101 | break;
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| 102 | case 7:yy.ast.set({ operation: "member" }); yy.ast.push()
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| 103 | break;
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| 104 | case 8:yy.ast.set({ operation: "subscript" }); yy.ast.push()
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| 105 | break;
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| 106 | case 9:yy.ast.set({ scope: "child" })
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| 107 | break;
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| 108 | case 10:yy.ast.set({ scope: "descendant" })
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| 109 | break;
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| 110 | case 11:
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| 111 | break;
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| 112 | case 12:yy.ast.set({ scope: "child", operation: "member" })
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| 113 | break;
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| 114 | case 13:
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| 115 | break;
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| 116 | case 14:yy.ast.set({ expression: { type: "wildcard", value: $$[$0] } })
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| 117 | break;
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| 118 | case 15:yy.ast.set({ expression: { type: "identifier", value: $$[$0] } })
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| 119 | break;
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| 120 | case 16:yy.ast.set({ expression: { type: "script_expression", value: $$[$0] } })
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| 121 | break;
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| 122 | case 17:yy.ast.set({ expression: { type: "numeric_literal", value: parseInt($$[$0]) } })
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| 123 | break;
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| 124 | case 18:
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| 125 | break;
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| 126 | case 19:yy.ast.set({ scope: "child" })
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| 127 | break;
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| 128 | case 20:yy.ast.set({ scope: "descendant" })
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| 129 | break;
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| 130 | case 21:
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| 131 | break;
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| 132 | case 22:
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| 133 | break;
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| 134 | case 23:
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| 135 | break;
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| 136 | case 24:$$[$0].length > 1? yy.ast.set({ expression: { type: "union", value: $$[$0] } }) : this.$ = $$[$0]
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| 137 | break;
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| 138 | case 25:this.$ = [$$[$0]]
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| 139 | break;
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| 140 | case 26:this.$ = $$[$0-2].concat($$[$0])
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| 141 | break;
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| 142 | case 27:this.$ = { expression: { type: "numeric_literal", value: parseInt($$[$0]) } }; yy.ast.set(this.$)
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| 143 | break;
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| 144 | case 28:this.$ = { expression: { type: "string_literal", value: $$[$0] } }; yy.ast.set(this.$)
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| 145 | break;
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| 146 | case 29:this.$ = { expression: { type: "slice", value: $$[$0] } }; yy.ast.set(this.$)
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| 147 | break;
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| 148 | case 30:this.$ = { expression: { type: "wildcard", value: $$[$0] } }; yy.ast.set(this.$)
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| 149 | break;
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| 150 | case 31:this.$ = { expression: { type: "script_expression", value: $$[$0] } }; yy.ast.set(this.$)
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| 151 | break;
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| 152 | case 32:this.$ = { expression: { type: "filter_expression", value: $$[$0] } }; yy.ast.set(this.$)
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| 153 | break;
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| 154 | case 33:this.$ = $$[$0]
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| 155 | break;
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| 156 | case 34:this.$ = $$[$0]
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| 157 | break;
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| 158 | }
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| 159 | },
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| 160 | table: [{3:1,4:[1,2],6:3,13:4,15:[1,5],16:[1,6],17:[1,7],18:[1,8],19:[1,9]},{1:[3]},{1:[2,1],5:10,7:11,8:12,9:13,10:14,11:15,12:[1,18],14:[1,19],20:16,21:17,22:[1,20]},{1:[2,3],5:21,7:11,8:12,9:13,10:14,11:15,12:[1,18],14:[1,19],20:16,21:17,22:[1,20]},{1:[2,12],12:[2,12],14:[2,12],22:[2,12]},{1:[2,14],12:[2,14],14:[2,14],22:[2,14]},{1:[2,15],12:[2,15],14:[2,15],22:[2,15]},{1:[2,16],12:[2,16],14:[2,16],22:[2,16]},{1:[2,17],12:[2,17],14:[2,17],22:[2,17]},{1:[2,18],12:[2,18],14:[2,18],22:[2,18]},{1:[2,2],7:22,8:12,9:13,10:14,11:15,12:[1,18],14:[1,19],20:16,21:17,22:[1,20]},{1:[2,5],12:[2,5],14:[2,5],22:[2,5]},{1:[2,7],12:[2,7],14:[2,7],22:[2,7]},{1:[2,8],12:[2,8],14:[2,8],22:[2,8]},{1:[2,9],12:[2,9],14:[2,9],22:[2,9]},{1:[2,10],12:[2,10],14:[2,10],22:[2,10]},{1:[2,19],12:[2,19],14:[2,19],22:[2,19]},{1:[2,20],12:[2,20],14:[2,20],22:[2,20]},{13:23,15:[1,5],16:[1,6],17:[1,7],18:[1,8],19:[1,9]},{13:24,15:[1,5],16:[1,6],17:[1,7],18:[1,8],19:[1,9],22:[1,25]},{15:[1,29],17:[1,30],18:[1,33],23:26,25:27,26:28,27:32,29:34,30:[1,35],31:[1,31],32:[1,36],33:[1,37]},{1:[2,4],7:22,8:12,9:13,10:14,11:15,12:[1,18],14:[1,19],20:16,21:17,22:[1,20]},{1:[2,6],12:[2,6],14:[2,6],22:[2,6]},{1:[2,11],12:[2,11],14:[2,11],22:[2,11]},{1:[2,13],12:[2,13],14:[2,13],22:[2,13]},{15:[1,29],17:[1,30],18:[1,33],23:38,25:27,26:28,27:32,29:34,30:[1,35],31:[1,31],32:[1,36],33:[1,37]},{24:[1,39]},{24:[2,23]},{24:[2,24],28:[1,40]},{24:[2,30]},{24:[2,31]},{24:[2,32]},{24:[2,25],28:[2,25]},{24:[2,27],28:[2,27]},{24:[2,28],28:[2,28]},{24:[2,29],28:[2,29]},{24:[2,33],28:[2,33]},{24:[2,34],28:[2,34]},{24:[1,41]},{1:[2,21],12:[2,21],14:[2,21],22:[2,21]},{18:[1,33],27:42,29:34,30:[1,35],32:[1,36],33:[1,37]},{1:[2,22],12:[2,22],14:[2,22],22:[2,22]},{24:[2,26],28:[2,26]}],
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| 161 | defaultActions: {27:[2,23],29:[2,30],30:[2,31],31:[2,32]},
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| 162 | parseError: function parseError(str, hash) {
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| 163 | if (hash.recoverable) {
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| 164 | this.trace(str);
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| 165 | } else {
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| 166 | throw new Error(str);
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| 167 | }
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| 168 | },
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| 169 | parse: function parse(input) {
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| 170 | var self = this, stack = [0], vstack = [null], lstack = [], table = this.table, yytext = '', yylineno = 0, yyleng = 0, recovering = 0, TERROR = 2, EOF = 1;
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| 171 | var args = lstack.slice.call(arguments, 1);
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| 172 | this.lexer.setInput(input);
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| 173 | this.lexer.yy = this.yy;
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| 174 | this.yy.lexer = this.lexer;
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| 175 | this.yy.parser = this;
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| 176 | if (typeof this.lexer.yylloc == 'undefined') {
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| 177 | this.lexer.yylloc = {};
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| 178 | }
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| 179 | var yyloc = this.lexer.yylloc;
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| 180 | lstack.push(yyloc);
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| 181 | var ranges = this.lexer.options && this.lexer.options.ranges;
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| 182 | if (typeof this.yy.parseError === 'function') {
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| 183 | this.parseError = this.yy.parseError;
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| 184 | } else {
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| 185 | this.parseError = Object.getPrototypeOf(this).parseError;
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| 186 | }
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| 187 | function popStack(n) {
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| 188 | stack.length = stack.length - 2 * n;
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| 189 | vstack.length = vstack.length - n;
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| 190 | lstack.length = lstack.length - n;
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| 191 | }
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| 192 | function lex() {
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| 193 | var token;
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| 194 | token = self.lexer.lex() || EOF;
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| 195 | if (typeof token !== 'number') {
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| 196 | token = self.symbols_[token] || token;
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| 197 | }
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| 198 | return token;
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| 199 | }
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| 200 | var symbol, preErrorSymbol, state, action, a, r, yyval = {}, p, len, newState, expected;
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| 201 | while (true) {
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| 202 | state = stack[stack.length - 1];
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| 203 | if (this.defaultActions[state]) {
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| 204 | action = this.defaultActions[state];
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| 205 | } else {
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| 206 | if (symbol === null || typeof symbol == 'undefined') {
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| 207 | symbol = lex();
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| 208 | }
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| 209 | action = table[state] && table[state][symbol];
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| 210 | }
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| 211 | if (typeof action === 'undefined' || !action.length || !action[0]) {
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| 212 | var errStr = '';
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| 213 | expected = [];
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| 214 | for (p in table[state]) {
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| 215 | if (this.terminals_[p] && p > TERROR) {
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| 216 | expected.push('\'' + this.terminals_[p] + '\'');
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| 217 | }
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| 218 | }
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| 219 | if (this.lexer.showPosition) {
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| 220 | errStr = 'Parse error on line ' + (yylineno + 1) + ':\n' + this.lexer.showPosition() + '\nExpecting ' + expected.join(', ') + ', got \'' + (this.terminals_[symbol] || symbol) + '\'';
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| 221 | } else {
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| 222 | errStr = 'Parse error on line ' + (yylineno + 1) + ': Unexpected ' + (symbol == EOF ? 'end of input' : '\'' + (this.terminals_[symbol] || symbol) + '\'');
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| 223 | }
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| 224 | this.parseError(errStr, {
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| 225 | text: this.lexer.match,
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| 226 | token: this.terminals_[symbol] || symbol,
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| 227 | line: this.lexer.yylineno,
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| 228 | loc: yyloc,
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| 229 | expected: expected
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| 230 | });
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| 231 | }
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| 232 | if (action[0] instanceof Array && action.length > 1) {
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| 233 | throw new Error('Parse Error: multiple actions possible at state: ' + state + ', token: ' + symbol);
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| 234 | }
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| 235 | switch (action[0]) {
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| 236 | case 1:
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| 237 | stack.push(symbol);
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| 238 | vstack.push(this.lexer.yytext);
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| 239 | lstack.push(this.lexer.yylloc);
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| 240 | stack.push(action[1]);
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| 241 | symbol = null;
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| 242 | if (!preErrorSymbol) {
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| 243 | yyleng = this.lexer.yyleng;
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| 244 | yytext = this.lexer.yytext;
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| 245 | yylineno = this.lexer.yylineno;
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| 246 | yyloc = this.lexer.yylloc;
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| 247 | if (recovering > 0) {
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| 248 | recovering--;
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| 249 | }
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| 250 | } else {
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| 251 | symbol = preErrorSymbol;
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| 252 | preErrorSymbol = null;
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| 253 | }
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| 254 | break;
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| 255 | case 2:
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| 256 | len = this.productions_[action[1]][1];
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| 257 | yyval.$ = vstack[vstack.length - len];
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| 258 | yyval._$ = {
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| 259 | first_line: lstack[lstack.length - (len || 1)].first_line,
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| 260 | last_line: lstack[lstack.length - 1].last_line,
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| 261 | first_column: lstack[lstack.length - (len || 1)].first_column,
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| 262 | last_column: lstack[lstack.length - 1].last_column
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| 263 | };
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| 264 | if (ranges) {
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| 265 | yyval._$.range = [
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| 266 | lstack[lstack.length - (len || 1)].range[0],
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| 267 | lstack[lstack.length - 1].range[1]
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| 268 | ];
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| 269 | }
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| 270 | r = this.performAction.apply(yyval, [
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| 271 | yytext,
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| 272 | yyleng,
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| 273 | yylineno,
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| 274 | this.yy,
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| 275 | action[1],
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| 276 | vstack,
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| 277 | lstack
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| 278 | ].concat(args));
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| 279 | if (typeof r !== 'undefined') {
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| 280 | return r;
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| 281 | }
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| 282 | if (len) {
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| 283 | stack = stack.slice(0, -1 * len * 2);
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| 284 | vstack = vstack.slice(0, -1 * len);
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| 285 | lstack = lstack.slice(0, -1 * len);
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| 286 | }
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| 287 | stack.push(this.productions_[action[1]][0]);
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| 288 | vstack.push(yyval.$);
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| 289 | lstack.push(yyval._$);
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| 290 | newState = table[stack[stack.length - 2]][stack[stack.length - 1]];
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| 291 | stack.push(newState);
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| 292 | break;
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| 293 | case 3:
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| 294 | return true;
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| 295 | }
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| 296 | }
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| 297 | return true;
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| 298 | }};
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| 299 | var _ast = {
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| 300 |
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| 301 | initialize: function() {
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| 302 | this._nodes = [];
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| 303 | this._node = {};
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| 304 | this._stash = [];
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| 305 | },
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| 306 |
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| 307 | set: function(props) {
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| 308 | for (var k in props) this._node[k] = props[k];
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| 309 | return this._node;
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| 310 | },
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| 311 |
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| 312 | node: function(obj) {
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| 313 | if (arguments.length) this._node = obj;
|
|---|
| 314 | return this._node;
|
|---|
| 315 | },
|
|---|
| 316 |
|
|---|
| 317 | push: function() {
|
|---|
| 318 | this._nodes.push(this._node);
|
|---|
| 319 | this._node = {};
|
|---|
| 320 | },
|
|---|
| 321 |
|
|---|
| 322 | unshift: function() {
|
|---|
| 323 | this._nodes.unshift(this._node);
|
|---|
| 324 | this._node = {};
|
|---|
| 325 | },
|
|---|
| 326 |
|
|---|
| 327 | yield: function() {
|
|---|
| 328 | var _nodes = this._nodes;
|
|---|
| 329 | this.initialize();
|
|---|
| 330 | return _nodes;
|
|---|
| 331 | }
|
|---|
| 332 | };
|
|---|
| 333 | /* generated by jison-lex 0.2.1 */
|
|---|
| 334 | var lexer = (function(){
|
|---|
| 335 | var lexer = {
|
|---|
| 336 |
|
|---|
| 337 | EOF:1,
|
|---|
| 338 |
|
|---|
| 339 | parseError:function parseError(str, hash) {
|
|---|
| 340 | if (this.yy.parser) {
|
|---|
| 341 | this.yy.parser.parseError(str, hash);
|
|---|
| 342 | } else {
|
|---|
| 343 | throw new Error(str);
|
|---|
| 344 | }
|
|---|
| 345 | },
|
|---|
| 346 |
|
|---|
| 347 | // resets the lexer, sets new input
|
|---|
| 348 | setInput:function (input) {
|
|---|
| 349 | this._input = input;
|
|---|
| 350 | this._more = this._backtrack = this.done = false;
|
|---|
| 351 | this.yylineno = this.yyleng = 0;
|
|---|
| 352 | this.yytext = this.matched = this.match = '';
|
|---|
| 353 | this.conditionStack = ['INITIAL'];
|
|---|
| 354 | this.yylloc = {
|
|---|
| 355 | first_line: 1,
|
|---|
| 356 | first_column: 0,
|
|---|
| 357 | last_line: 1,
|
|---|
| 358 | last_column: 0
|
|---|
| 359 | };
|
|---|
| 360 | if (this.options.ranges) {
|
|---|
| 361 | this.yylloc.range = [0,0];
|
|---|
| 362 | }
|
|---|
| 363 | this.offset = 0;
|
|---|
| 364 | return this;
|
|---|
| 365 | },
|
|---|
| 366 |
|
|---|
| 367 | // consumes and returns one char from the input
|
|---|
| 368 | input:function () {
|
|---|
| 369 | var ch = this._input[0];
|
|---|
| 370 | this.yytext += ch;
|
|---|
| 371 | this.yyleng++;
|
|---|
| 372 | this.offset++;
|
|---|
| 373 | this.match += ch;
|
|---|
| 374 | this.matched += ch;
|
|---|
| 375 | var lines = ch.match(/(?:\r\n?|\n).*/g);
|
|---|
| 376 | if (lines) {
|
|---|
| 377 | this.yylineno++;
|
|---|
| 378 | this.yylloc.last_line++;
|
|---|
| 379 | } else {
|
|---|
| 380 | this.yylloc.last_column++;
|
|---|
| 381 | }
|
|---|
| 382 | if (this.options.ranges) {
|
|---|
| 383 | this.yylloc.range[1]++;
|
|---|
| 384 | }
|
|---|
| 385 |
|
|---|
| 386 | this._input = this._input.slice(1);
|
|---|
| 387 | return ch;
|
|---|
| 388 | },
|
|---|
| 389 |
|
|---|
| 390 | // unshifts one char (or a string) into the input
|
|---|
| 391 | unput:function (ch) {
|
|---|
| 392 | var len = ch.length;
|
|---|
| 393 | var lines = ch.split(/(?:\r\n?|\n)/g);
|
|---|
| 394 |
|
|---|
| 395 | this._input = ch + this._input;
|
|---|
| 396 | this.yytext = this.yytext.substr(0, this.yytext.length - len - 1);
|
|---|
| 397 | //this.yyleng -= len;
|
|---|
| 398 | this.offset -= len;
|
|---|
| 399 | var oldLines = this.match.split(/(?:\r\n?|\n)/g);
|
|---|
| 400 | this.match = this.match.substr(0, this.match.length - 1);
|
|---|
| 401 | this.matched = this.matched.substr(0, this.matched.length - 1);
|
|---|
| 402 |
|
|---|
| 403 | if (lines.length - 1) {
|
|---|
| 404 | this.yylineno -= lines.length - 1;
|
|---|
| 405 | }
|
|---|
| 406 | var r = this.yylloc.range;
|
|---|
| 407 |
|
|---|
| 408 | this.yylloc = {
|
|---|
| 409 | first_line: this.yylloc.first_line,
|
|---|
| 410 | last_line: this.yylineno + 1,
|
|---|
| 411 | first_column: this.yylloc.first_column,
|
|---|
| 412 | last_column: lines ?
|
|---|
| 413 | (lines.length === oldLines.length ? this.yylloc.first_column : 0)
|
|---|
| 414 | + oldLines[oldLines.length - lines.length].length - lines[0].length :
|
|---|
| 415 | this.yylloc.first_column - len
|
|---|
| 416 | };
|
|---|
| 417 |
|
|---|
| 418 | if (this.options.ranges) {
|
|---|
| 419 | this.yylloc.range = [r[0], r[0] + this.yyleng - len];
|
|---|
| 420 | }
|
|---|
| 421 | this.yyleng = this.yytext.length;
|
|---|
| 422 | return this;
|
|---|
| 423 | },
|
|---|
| 424 |
|
|---|
| 425 | // When called from action, caches matched text and appends it on next action
|
|---|
| 426 | more:function () {
|
|---|
| 427 | this._more = true;
|
|---|
| 428 | return this;
|
|---|
| 429 | },
|
|---|
| 430 |
|
|---|
| 431 | // 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.
|
|---|
| 432 | reject:function () {
|
|---|
| 433 | if (this.options.backtrack_lexer) {
|
|---|
| 434 | this._backtrack = true;
|
|---|
| 435 | } else {
|
|---|
| 436 | 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(), {
|
|---|
| 437 | text: "",
|
|---|
| 438 | token: null,
|
|---|
| 439 | line: this.yylineno
|
|---|
| 440 | });
|
|---|
| 441 |
|
|---|
| 442 | }
|
|---|
| 443 | return this;
|
|---|
| 444 | },
|
|---|
| 445 |
|
|---|
| 446 | // retain first n characters of the match
|
|---|
| 447 | less:function (n) {
|
|---|
| 448 | this.unput(this.match.slice(n));
|
|---|
| 449 | },
|
|---|
| 450 |
|
|---|
| 451 | // displays already matched input, i.e. for error messages
|
|---|
| 452 | pastInput:function () {
|
|---|
| 453 | var past = this.matched.substr(0, this.matched.length - this.match.length);
|
|---|
| 454 | return (past.length > 20 ? '...':'') + past.substr(-20).replace(/\n/g, "");
|
|---|
| 455 | },
|
|---|
| 456 |
|
|---|
| 457 | // displays upcoming input, i.e. for error messages
|
|---|
| 458 | upcomingInput:function () {
|
|---|
| 459 | var next = this.match;
|
|---|
| 460 | if (next.length < 20) {
|
|---|
| 461 | next += this._input.substr(0, 20-next.length);
|
|---|
| 462 | }
|
|---|
| 463 | return (next.substr(0,20) + (next.length > 20 ? '...' : '')).replace(/\n/g, "");
|
|---|
| 464 | },
|
|---|
| 465 |
|
|---|
| 466 | // displays the character position where the lexing error occurred, i.e. for error messages
|
|---|
| 467 | showPosition:function () {
|
|---|
| 468 | var pre = this.pastInput();
|
|---|
| 469 | var c = new Array(pre.length + 1).join("-");
|
|---|
| 470 | return pre + this.upcomingInput() + "\n" + c + "^";
|
|---|
| 471 | },
|
|---|
| 472 |
|
|---|
| 473 | // test the lexed token: return FALSE when not a match, otherwise return token
|
|---|
| 474 | test_match:function (match, indexed_rule) {
|
|---|
| 475 | var token,
|
|---|
| 476 | lines,
|
|---|
| 477 | backup;
|
|---|
| 478 |
|
|---|
| 479 | if (this.options.backtrack_lexer) {
|
|---|
| 480 | // save context
|
|---|
| 481 | backup = {
|
|---|
| 482 | yylineno: this.yylineno,
|
|---|
| 483 | yylloc: {
|
|---|
| 484 | first_line: this.yylloc.first_line,
|
|---|
| 485 | last_line: this.last_line,
|
|---|
| 486 | first_column: this.yylloc.first_column,
|
|---|
| 487 | last_column: this.yylloc.last_column
|
|---|
| 488 | },
|
|---|
| 489 | yytext: this.yytext,
|
|---|
| 490 | match: this.match,
|
|---|
| 491 | matches: this.matches,
|
|---|
| 492 | matched: this.matched,
|
|---|
| 493 | yyleng: this.yyleng,
|
|---|
| 494 | offset: this.offset,
|
|---|
| 495 | _more: this._more,
|
|---|
| 496 | _input: this._input,
|
|---|
| 497 | yy: this.yy,
|
|---|
| 498 | conditionStack: this.conditionStack.slice(0),
|
|---|
| 499 | done: this.done
|
|---|
| 500 | };
|
|---|
| 501 | if (this.options.ranges) {
|
|---|
| 502 | backup.yylloc.range = this.yylloc.range.slice(0);
|
|---|
| 503 | }
|
|---|
| 504 | }
|
|---|
| 505 |
|
|---|
| 506 | lines = match[0].match(/(?:\r\n?|\n).*/g);
|
|---|
| 507 | if (lines) {
|
|---|
| 508 | this.yylineno += lines.length;
|
|---|
| 509 | }
|
|---|
| 510 | this.yylloc = {
|
|---|
| 511 | first_line: this.yylloc.last_line,
|
|---|
| 512 | last_line: this.yylineno + 1,
|
|---|
| 513 | first_column: this.yylloc.last_column,
|
|---|
| 514 | last_column: lines ?
|
|---|
| 515 | lines[lines.length - 1].length - lines[lines.length - 1].match(/\r?\n?/)[0].length :
|
|---|
| 516 | this.yylloc.last_column + match[0].length
|
|---|
| 517 | };
|
|---|
| 518 | this.yytext += match[0];
|
|---|
| 519 | this.match += match[0];
|
|---|
| 520 | this.matches = match;
|
|---|
| 521 | this.yyleng = this.yytext.length;
|
|---|
| 522 | if (this.options.ranges) {
|
|---|
| 523 | this.yylloc.range = [this.offset, this.offset += this.yyleng];
|
|---|
| 524 | }
|
|---|
| 525 | this._more = false;
|
|---|
| 526 | this._backtrack = false;
|
|---|
| 527 | this._input = this._input.slice(match[0].length);
|
|---|
| 528 | this.matched += match[0];
|
|---|
| 529 | token = this.performAction.call(this, this.yy, this, indexed_rule, this.conditionStack[this.conditionStack.length - 1]);
|
|---|
| 530 | if (this.done && this._input) {
|
|---|
| 531 | this.done = false;
|
|---|
| 532 | }
|
|---|
| 533 | if (token) {
|
|---|
| 534 | return token;
|
|---|
| 535 | } else if (this._backtrack) {
|
|---|
| 536 | // recover context
|
|---|
| 537 | for (var k in backup) {
|
|---|
| 538 | this[k] = backup[k];
|
|---|
| 539 | }
|
|---|
| 540 | return false; // rule action called reject() implying the next rule should be tested instead.
|
|---|
| 541 | }
|
|---|
| 542 | return false;
|
|---|
| 543 | },
|
|---|
| 544 |
|
|---|
| 545 | // return next match in input
|
|---|
| 546 | next:function () {
|
|---|
| 547 | if (this.done) {
|
|---|
| 548 | return this.EOF;
|
|---|
| 549 | }
|
|---|
| 550 | if (!this._input) {
|
|---|
| 551 | this.done = true;
|
|---|
| 552 | }
|
|---|
| 553 |
|
|---|
| 554 | var token,
|
|---|
| 555 | match,
|
|---|
| 556 | tempMatch,
|
|---|
| 557 | index;
|
|---|
| 558 | if (!this._more) {
|
|---|
| 559 | this.yytext = '';
|
|---|
| 560 | this.match = '';
|
|---|
| 561 | }
|
|---|
| 562 | var rules = this._currentRules();
|
|---|
| 563 | for (var i = 0; i < rules.length; i++) {
|
|---|
| 564 | tempMatch = this._input.match(this.rules[rules[i]]);
|
|---|
| 565 | if (tempMatch && (!match || tempMatch[0].length > match[0].length)) {
|
|---|
| 566 | match = tempMatch;
|
|---|
| 567 | index = i;
|
|---|
| 568 | if (this.options.backtrack_lexer) {
|
|---|
| 569 | token = this.test_match(tempMatch, rules[i]);
|
|---|
| 570 | if (token !== false) {
|
|---|
| 571 | return token;
|
|---|
| 572 | } else if (this._backtrack) {
|
|---|
| 573 | match = false;
|
|---|
| 574 | continue; // rule action called reject() implying a rule MISmatch.
|
|---|
| 575 | } else {
|
|---|
| 576 | // else: this is a lexer rule which consumes input without producing a token (e.g. whitespace)
|
|---|
| 577 | return false;
|
|---|
| 578 | }
|
|---|
| 579 | } else if (!this.options.flex) {
|
|---|
| 580 | break;
|
|---|
| 581 | }
|
|---|
| 582 | }
|
|---|
| 583 | }
|
|---|
| 584 | if (match) {
|
|---|
| 585 | token = this.test_match(match, rules[index]);
|
|---|
| 586 | if (token !== false) {
|
|---|
| 587 | return token;
|
|---|
| 588 | }
|
|---|
| 589 | // else: this is a lexer rule which consumes input without producing a token (e.g. whitespace)
|
|---|
| 590 | return false;
|
|---|
| 591 | }
|
|---|
| 592 | if (this._input === "") {
|
|---|
| 593 | return this.EOF;
|
|---|
| 594 | } else {
|
|---|
| 595 | return this.parseError('Lexical error on line ' + (this.yylineno + 1) + '. Unrecognized text.\n' + this.showPosition(), {
|
|---|
| 596 | text: "",
|
|---|
| 597 | token: null,
|
|---|
| 598 | line: this.yylineno
|
|---|
| 599 | });
|
|---|
| 600 | }
|
|---|
| 601 | },
|
|---|
| 602 |
|
|---|
| 603 | // return next match that has a token
|
|---|
| 604 | lex:function lex() {
|
|---|
| 605 | var r = this.next();
|
|---|
| 606 | if (r) {
|
|---|
| 607 | return r;
|
|---|
| 608 | } else {
|
|---|
| 609 | return this.lex();
|
|---|
| 610 | }
|
|---|
| 611 | },
|
|---|
| 612 |
|
|---|
| 613 | // activates a new lexer condition state (pushes the new lexer condition state onto the condition stack)
|
|---|
| 614 | begin:function begin(condition) {
|
|---|
| 615 | this.conditionStack.push(condition);
|
|---|
| 616 | },
|
|---|
| 617 |
|
|---|
| 618 | // pop the previously active lexer condition state off the condition stack
|
|---|
| 619 | popState:function popState() {
|
|---|
| 620 | var n = this.conditionStack.length - 1;
|
|---|
| 621 | if (n > 0) {
|
|---|
| 622 | return this.conditionStack.pop();
|
|---|
| 623 | } else {
|
|---|
| 624 | return this.conditionStack[0];
|
|---|
| 625 | }
|
|---|
| 626 | },
|
|---|
| 627 |
|
|---|
| 628 | // produce the lexer rule set which is active for the currently active lexer condition state
|
|---|
| 629 | _currentRules:function _currentRules() {
|
|---|
| 630 | if (this.conditionStack.length && this.conditionStack[this.conditionStack.length - 1]) {
|
|---|
| 631 | return this.conditions[this.conditionStack[this.conditionStack.length - 1]].rules;
|
|---|
| 632 | } else {
|
|---|
| 633 | return this.conditions["INITIAL"].rules;
|
|---|
| 634 | }
|
|---|
| 635 | },
|
|---|
| 636 |
|
|---|
| 637 | // return the currently active lexer condition state; when an index argument is provided it produces the N-th previous condition state, if available
|
|---|
| 638 | topState:function topState(n) {
|
|---|
| 639 | n = this.conditionStack.length - 1 - Math.abs(n || 0);
|
|---|
| 640 | if (n >= 0) {
|
|---|
| 641 | return this.conditionStack[n];
|
|---|
| 642 | } else {
|
|---|
| 643 | return "INITIAL";
|
|---|
| 644 | }
|
|---|
| 645 | },
|
|---|
| 646 |
|
|---|
| 647 | // alias for begin(condition)
|
|---|
| 648 | pushState:function pushState(condition) {
|
|---|
| 649 | this.begin(condition);
|
|---|
| 650 | },
|
|---|
| 651 |
|
|---|
| 652 | // return the number of states currently on the stack
|
|---|
| 653 | stateStackSize:function stateStackSize() {
|
|---|
| 654 | return this.conditionStack.length;
|
|---|
| 655 | },
|
|---|
| 656 | options: {},
|
|---|
| 657 | performAction: function anonymous(yy,yy_,$avoiding_name_collisions,YY_START
|
|---|
| 658 | /**/) {
|
|---|
| 659 |
|
|---|
| 660 | var YYSTATE=YY_START;
|
|---|
| 661 | switch($avoiding_name_collisions) {
|
|---|
| 662 | case 0:return 4
|
|---|
| 663 | break;
|
|---|
| 664 | case 1:return 14
|
|---|
| 665 | break;
|
|---|
| 666 | case 2:return 12
|
|---|
| 667 | break;
|
|---|
| 668 | case 3:return 15
|
|---|
| 669 | break;
|
|---|
| 670 | case 4:return 16
|
|---|
| 671 | break;
|
|---|
| 672 | case 5:return 22
|
|---|
| 673 | break;
|
|---|
| 674 | case 6:return 24
|
|---|
| 675 | break;
|
|---|
| 676 | case 7:return 28
|
|---|
| 677 | break;
|
|---|
| 678 | case 8:return 30
|
|---|
| 679 | break;
|
|---|
| 680 | case 9:return 18
|
|---|
| 681 | break;
|
|---|
| 682 | case 10:yy_.yytext = yy_.yytext.substr(1,yy_.yyleng-2); return 32;
|
|---|
| 683 | break;
|
|---|
| 684 | case 11:yy_.yytext = yy_.yytext.substr(1,yy_.yyleng-2); return 33;
|
|---|
| 685 | break;
|
|---|
| 686 | case 12:return 17
|
|---|
| 687 | break;
|
|---|
| 688 | case 13:return 31
|
|---|
| 689 | break;
|
|---|
| 690 | }
|
|---|
| 691 | },
|
|---|
| 692 | rules: [/^(?:\$)/,/^(?:\.\.)/,/^(?:\.)/,/^(?:\*)/,/^(?:[a-zA-Z_]+[a-zA-Z0-9_]*)/,/^(?:\[)/,/^(?:\])/,/^(?:,)/,/^(?:((-?(?:0|[1-9][0-9]*)))?\:((-?(?:0|[1-9][0-9]*)))?(\:((-?(?:0|[1-9][0-9]*)))?)?)/,/^(?:(-?(?:0|[1-9][0-9]*)))/,/^(?:"(?:\\["bfnrt/\\]|\\u[a-fA-F0-9]{4}|[^"\\])*")/,/^(?:'(?:\\['bfnrt/\\]|\\u[a-fA-F0-9]{4}|[^'\\])*')/,/^(?:\(.+?\)(?=\]))/,/^(?:\?\(.+?\)(?=\]))/],
|
|---|
| 693 | conditions: {"INITIAL":{"rules":[0,1,2,3,4,5,6,7,8,9,10,11,12,13],"inclusive":true}}
|
|---|
| 694 | };
|
|---|
| 695 | return lexer;
|
|---|
| 696 | })();
|
|---|
| 697 | parser.lexer = lexer;
|
|---|
| 698 | function Parser () {
|
|---|
| 699 | this.yy = {};
|
|---|
| 700 | }
|
|---|
| 701 | Parser.prototype = parser;parser.Parser = Parser;
|
|---|
| 702 | return new Parser;
|
|---|
| 703 | })();
|
|---|
| 704 |
|
|---|
| 705 |
|
|---|
| 706 | if (typeof require !== 'undefined' && typeof exports !== 'undefined') {
|
|---|
| 707 | exports.parser = parser;
|
|---|
| 708 | exports.Parser = parser.Parser;
|
|---|
| 709 | exports.parse = function () { return parser.parse.apply(parser, arguments); };
|
|---|
| 710 | exports.main = function commonjsMain(args) {
|
|---|
| 711 | if (!args[1]) {
|
|---|
| 712 | console.log('Usage: '+args[0]+' FILE');
|
|---|
| 713 | process.exit(1);
|
|---|
| 714 | }
|
|---|
| 715 | var source = require('fs').readFileSync(require('path').normalize(args[1]), "utf8");
|
|---|
| 716 | return exports.parser.parse(source);
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| 717 | };
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| 718 | if (typeof module !== 'undefined' && require.main === module) {
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| 719 | exports.main(process.argv.slice(1));
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| 720 | }
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| 721 | }
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