787 lines
28 KiB
JavaScript
787 lines
28 KiB
JavaScript
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/* parser generated by jison 0.4.18 */
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/*
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Returns a Parser object of the following structure:
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Parser: {
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yy: {}
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}
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Parser.prototype: {
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yy: {},
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trace: function(),
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symbols_: {associative list: name ==> number},
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terminals_: {associative list: number ==> name},
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productions_: [...],
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performAction: function anonymous(yytext, yyleng, yylineno, yy, yystate, $$, _$),
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table: [...],
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defaultActions: {...},
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parseError: function(str, hash),
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parse: function(input),
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lexer: {
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EOF: 1,
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parseError: function(str, hash),
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setInput: function(input),
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input: function(),
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unput: function(str),
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more: function(),
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less: function(n),
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pastInput: function(),
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upcomingInput: function(),
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showPosition: function(),
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test_match: function(regex_match_array, rule_index),
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next: function(),
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lex: function(),
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begin: function(condition),
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popState: function(),
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_currentRules: function(),
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topState: function(),
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pushState: function(condition),
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options: {
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ranges: boolean (optional: true ==> token location info will include a .range[] member)
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flex: boolean (optional: true ==> flex-like lexing behaviour where the rules are tested exhaustively to find the longest match)
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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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},
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performAction: function(yy, yy_, $avoiding_name_collisions, YY_START),
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rules: [...],
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conditions: {associative list: name ==> set},
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}
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}
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token location info (@$, _$, etc.): {
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first_line: n,
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last_line: n,
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first_column: n,
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last_column: n,
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range: [start_number, end_number] (where the numbers are indexes into the input string, regular zero-based)
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}
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the parseError function receives a 'hash' object with these members for lexer and parser errors: {
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text: (matched text)
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token: (the produced terminal token, if any)
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line: (yylineno)
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}
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while parser (grammar) errors will also provide these members, i.e. parser errors deliver a superset of attributes: {
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loc: (yylloc)
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expected: (string describing the set of expected tokens)
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recoverable: (boolean: TRUE when the parser has a error recovery rule available for this particular error)
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}
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*/
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var parser = (function(){
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var o=function(k,v,o,l){for(o=o||{},l=k.length;l--;o[k[l]]=v);return o},$V0=[2,23],$V1=[1,7],$V2=[1,8],$V3=[1,9],$V4=[1,10],$V5=[1,11],$V6=[1,12],$V7=[1,13],$V8=[1,14],$V9=[1,15],$Va=[1,5],$Vb=[1,6],$Vc=[5,28],$Vd=[5,11,14,15,16,17,18,19,20,21,25,28,31],$Ve=[2,2],$Vf=[1,22],$Vg=[5,10,11,13,14,15,16,17,18,19,20,21,25,28,31],$Vh=[1,28],$Vi=[1,29],$Vj=[1,30],$Vk=[1,31],$Vl=[2,17],$Vm=[5,10,11,13,14,15,16,17,18,19,20,21,25,28,30,31],$Vn=[16,17,18,21,30];
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var parser = {trace: function trace () { },
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yy: {},
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symbols_: {"error":2,"program":3,"statement_list":4,"EOF":5,"javascript":6,"SCRIPT_TOKEN":7,"opcode_list":8,"opcode":9,"COMMA":10,"ID":11,"OPEN_PAREN":12,"CLOSE_PAREN":13,"HASH_ID":14,"DOLLAR_ID":15,"HEX":16,"DECIMAL":17,"BINARY":18,"DOLLAR_DOLLAR":19,"DOLLAR_INDEX":20,"SCRIPT_EVAL":21,"hex_list":22,"hex":23,"statement":24,"AT_ID":25,"COLON":26,"OPEN_BRACE":27,"CLOSE_BRACE":28,"OPEN_BRACKET":29,"CLOSE_BRACKET":30,"SCRIPT_EXEC":31,"$accept":0,"$end":1},
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terminals_: {2:"error",5:"EOF",7:"SCRIPT_TOKEN",10:"COMMA",11:"ID",12:"OPEN_PAREN",13:"CLOSE_PAREN",14:"HASH_ID",15:"DOLLAR_ID",16:"HEX",17:"DECIMAL",18:"BINARY",19:"DOLLAR_DOLLAR",20:"DOLLAR_INDEX",21:"SCRIPT_EVAL",25:"AT_ID",26:"COLON",27:"OPEN_BRACE",28:"CLOSE_BRACE",29:"OPEN_BRACKET",30:"CLOSE_BRACKET",31:"SCRIPT_EXEC"},
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productions_: [0,[3,2],[6,0],[6,2],[8,1],[8,3],[9,1],[9,3],[9,4],[9,1],[9,1],[9,1],[9,1],[9,1],[9,1],[9,1],[9,2],[22,0],[22,2],[23,1],[23,1],[23,1],[23,2],[4,0],[4,2],[24,1],[24,2],[24,4],[24,4],[24,2]],
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performAction: function anonymous(yytext, yyleng, yylineno, yy, yystate /* action[1] */, $$ /* vstack */, _$ /* lstack */) {
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/* this == yyval */
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var $0 = $$.length - 1;
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switch (yystate) {
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case 1:
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return { type: "scope", name: "_", statements: $$[$0-1], loc: getLoc(yy, null) };
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break;
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case 2:
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this.$ = "";
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break;
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case 3:
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this.$ = $$[$0-1] + $$[$0];
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break;
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case 4:
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this.$ = [ $$[$0] ];
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break;
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case 5:
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{
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const opcodes = $$[$0].slice();
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opcodes.unshift($$[$0-2]);
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this.$ = opcodes;
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}
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break;
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case 6:
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this.$ = { type: "opcode", bare: true, mnemonic: $$[$0], operands: [ ], loc: getLoc(yy, _$[$0]) };
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break;
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case 7:
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this.$ = { type: "opcode", mnemonic: $$[$0-2], operands: [ ], loc: getLoc(yy, _$[$0-2], _$[$0]) };
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break;
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case 8:
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this.$ = { type: "opcode", mnemonic: $$[$0-3], operands: $$[$0-1], loc: getLoc(yy, _$[$0-3], _$[$0]) };
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break;
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case 9:
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this.$ = { type: "length", label: $$[$0].substring(1), loc: getLoc(yy, _$[$0]) };
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break;
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case 10:
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this.$ = { type: "offset", label: $$[$0].substring(1), loc: getLoc(yy, _$[$0]) };
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break;
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case 11:
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this.$ = { type: "hex", value: $$[$0], loc: getLoc(yy, _$[$0]) };
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break;
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case 12:
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this.$ = { type: "decimal", value: $$[$0], loc: getLoc(yy, _$[$0]) };
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break;
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case 13:
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{
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const hex = "0x" + parseInt(("0" + ($$[$0]).substring(2)), 2).toString(16);
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this.$ = { type: "hex", value: hex, loc: getLoc(yy, _$[$0]) };
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}
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break;
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case 14:
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this.$ = { type: "pop", index: 0, loc: getLoc(yy, _$[$0]) };
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break;
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case 15:
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this.$ = { type: "pop", index: parseInt(($$[$0]).substring(1)), loc: getLoc(yy, _$[$0]) };
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break;
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case 16:
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this.$ = { type: "eval", script: $$[$0], loc: getLoc(yy, _$[$0-1], _$[$0]) };
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break;
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case 17: case 23:
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this.$ = [ ];
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break;
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case 18:
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{
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const hexes = $$[$0].slice();;
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hexes.unshift($$[$0-1]);
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this.$ = hexes;
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}
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break;
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case 19:
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this.$ = { type: "hex", verbatim: true, value: $$[$0], loc: getLoc(yy, _$[$0]) };
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break;
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case 20:
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{
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const value = parseInt($$[$0]);
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if (value >= 256) { throw new Error("decimal data values must be single bytes"); }
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let hex = (value).toString(16);
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while (hex.length < 2) { hex = "0" + hex; }
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this.$ = { type: "hex", verbatim: true, value: ("0x" + hex), loc: getLoc(yy, _$[$0]) };
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}
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break;
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case 21:
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{
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const value = parseInt(($$[$0]).substring(2), 2);
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if (value >= 256) { throw new Error("binary data values must be single bytes"); }
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const hex = ("0x" + (value).toString(16));
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this.$ = { type: "hex", verbatim: true, value: hex, loc: getLoc(yy, _$[$0]) };
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}
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break;
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case 22:
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this.$ = { type: "eval", verbatim: true, script: $$[$0], loc: getLoc(yy, _$[$0-1], _$[$0]) };
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break;
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case 24:
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{
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const statements = $$[$0].slice();
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statements.unshift($$[$0-1]);
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this.$ = statements;
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}
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break;
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case 25:
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{
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const statement = $$[$0];
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statement.loc.statement = true;
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this.$ = statement;
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}
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break;
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case 26:
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this.$ = { type: "label", name: $$[$0-1].substring(1), loc: getLoc(yy, _$[$0-1], _$[$0], true) };
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break;
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case 27:
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this.$ = { type: "scope", name: $$[$0-3].substring(1), statements: $$[$0-1], loc: getLoc(yy, _$[$0-3], _$[$0], true) };
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break;
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case 28:
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this.$ = { type: "data", name: $$[$0-3].substring(1), data: $$[$0-1], loc: getLoc(yy, _$[$0-3], _$[$0], true) };
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break;
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case 29:
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this.$ = { type: "exec", script: $$[$0], loc: getLoc(yy, _$[$0-1], _$[$0], true) };
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break;
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}
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},
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table: [{3:1,4:2,5:$V0,9:4,11:$V1,14:$V2,15:$V3,16:$V4,17:$V5,18:$V6,19:$V7,20:$V8,21:$V9,24:3,25:$Va,31:$Vb},{1:[3]},{5:[1,16]},o($Vc,$V0,{24:3,9:4,4:17,11:$V1,14:$V2,15:$V3,16:$V4,17:$V5,18:$V6,19:$V7,20:$V8,21:$V9,25:$Va,31:$Vb}),o($Vd,[2,25]),{26:[1,18],27:[1,19],29:[1,20]},o($Vd,$Ve,{6:21,7:$Vf}),o($Vg,[2,6],{12:[1,23]}),o($Vg,[2,9]),o($Vg,[2,10]),o($Vg,[2,11]),o($Vg,[2,12]),o($Vg,[2,13]),o($Vg,[2,14]),o($Vg,[2,15]),o($Vg,$Ve,{6:24,7:$Vf}),{1:[2,1]},o($Vc,[2,24]),o($Vd,[2,26]),{4:25,9:4,11:$V1,14:$V2,15:$V3,16:$V4,17:$V5,18:$V6,19:$V7,20:$V8,21:$V9,24:3,25:$Va,28:$V0,31:$Vb},{16:$Vh,17:$Vi,18:$Vj,21:$Vk,22:26,23:27,30:$Vl},o($Vd,[2,29]),o($Vm,$Ve,{6:32,7:$Vf}),{8:34,9:35,11:$V1,13:[1,33],14:$V2,15:$V3,16:$V4,17:$V5,18:$V6,19:$V7,20:$V8,21:$V9},o($Vg,[2,16]),{28:[1,36]},{30:[1,37]},{16:$Vh,17:$Vi,18:$Vj,21:$Vk,22:38,23:27,30:$Vl},o($Vn,[2,19]),o($Vn,[2,20]),o($Vn,[2,21]),o($Vn,$Ve,{6:39,7:$Vf}),o($Vm,[2,3]),o($Vg,[2,7]),{13:[1,40]},{10:[1,41],13:[2,4]},o($Vd,[2,27]),o($Vd,[2,28]),{30:[2,18]},o($Vn,[2,22]),o($Vg,[2,8]),{8:42,9:35,11:$V1,14:$V2,15:$V3,16:$V4,17:$V5,18:$V6,19:$V7,20:$V8,21:$V9},{13:[2,5]}],
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defaultActions: {16:[2,1],38:[2,18],42:[2,5]},
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parseError: function parseError (str, hash) {
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if (hash.recoverable) {
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this.trace(str);
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} else {
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var error = new Error(str);
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error.hash = hash;
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throw error;
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}
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},
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parse: function parse(input) {
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var self = this, stack = [0], tstack = [], vstack = [null], lstack = [], table = this.table, yytext = '', yylineno = 0, yyleng = 0, recovering = 0, TERROR = 2, EOF = 1;
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var args = lstack.slice.call(arguments, 1);
|
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var lexer = Object.create(this.lexer);
|
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var sharedState = { yy: {} };
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||
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for (var k in this.yy) {
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|
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if (Object.prototype.hasOwnProperty.call(this.yy, k)) {
|
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sharedState.yy[k] = this.yy[k];
|
||
|
|
}
|
||
|
|
}
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||
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|
lexer.setInput(input, sharedState.yy);
|
||
|
|
sharedState.yy.lexer = lexer;
|
||
|
|
sharedState.yy.parser = this;
|
||
|
|
if (typeof lexer.yylloc == 'undefined') {
|
||
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|
lexer.yylloc = {};
|
||
|
|
}
|
||
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var yyloc = lexer.yylloc;
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||
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lstack.push(yyloc);
|
||
|
|
var ranges = lexer.options && lexer.options.ranges;
|
||
|
|
if (typeof sharedState.yy.parseError === 'function') {
|
||
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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;
|
||
|
|
}};
|
||
|
|
|
||
|
|
|
||
|
|
function getLoc(yy, start, end, statement) {
|
||
|
|
if (end == null) { end = start; }
|
||
|
|
|
||
|
|
let result = null;
|
||
|
|
if (start) {
|
||
|
|
result = {
|
||
|
|
first_line: start.first_line,
|
||
|
|
first_column: start.first_column,
|
||
|
|
last_line: end.last_line,
|
||
|
|
last_column: end.last_column,
|
||
|
|
statement: !!statement
|
||
|
|
};
|
||
|
|
}
|
||
|
|
|
||
|
|
if (yy._ethersLocation) {
|
||
|
|
return yy._ethersLocation(result);
|
||
|
|
}
|
||
|
|
|
||
|
|
return result;
|
||
|
|
}
|
||
|
|
|
||
|
|
/* 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: this.begin("script"); return "SCRIPT_EVAL";
|
||
|
|
break;
|
||
|
|
case 1: this.begin("script"); return "SCRIPT_EXEC";
|
||
|
|
break;
|
||
|
|
case 2:return "SCRIPT_TOKEN";
|
||
|
|
break;
|
||
|
|
case 3:this.popState()
|
||
|
|
break;
|
||
|
|
case 4:// Ignore comments
|
||
|
|
break;
|
||
|
|
case 5:// Ignore Whitespace
|
||
|
|
break;
|
||
|
|
case 6:return "ID"
|
||
|
|
break;
|
||
|
|
case 7:return "OPEN_PAREN"
|
||
|
|
break;
|
||
|
|
case 8:return "CLOSE_PAREN"
|
||
|
|
break;
|
||
|
|
case 9:return "COMMA"
|
||
|
|
break;
|
||
|
|
case 10:return "AT_ID"
|
||
|
|
break;
|
||
|
|
case 11:return "DOLLAR_ID"
|
||
|
|
break;
|
||
|
|
case 12:return "HASH_ID"
|
||
|
|
break;
|
||
|
|
case 13:return "OPEN_BRACE"
|
||
|
|
break;
|
||
|
|
case 14:return "CLOSE_BRACE"
|
||
|
|
break;
|
||
|
|
case 15:return "COLON"
|
||
|
|
break;
|
||
|
|
case 16:return "OPEN_BRACKET"
|
||
|
|
break;
|
||
|
|
case 17:return "CLOSE_BRACKET"
|
||
|
|
break;
|
||
|
|
case 18:return "HEX"
|
||
|
|
break;
|
||
|
|
case 19:return "BINARY"
|
||
|
|
break;
|
||
|
|
case 20:return "DECIMAL"
|
||
|
|
break;
|
||
|
|
case 21:return "DOLLAR_DOLLAR"
|
||
|
|
break;
|
||
|
|
case 22:return "DOLLAR_INDEX"
|
||
|
|
break;
|
||
|
|
case 23:return "EOF"
|
||
|
|
break;
|
||
|
|
case 24:return "INVALID"
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
},
|
||
|
|
rules: [/^(?:\{\{=)/,/^(?:\{\{!)/,/^(?:([^\}]|\n|\}[^}]))/,/^(?:\}\})/,/^(?:([;][^\n]*\n))/,/^(?:(\s+))/,/^(?:([A-Za-z][A-Za-z0-9]*))/,/^(?:\()/,/^(?:\))/,/^(?:,)/,/^(?:([@][A-Za-z][A-Za-z0-9]*))/,/^(?:([$](_|[A-Za-z][A-Za-z0-9]*)))/,/^(?:([#](_|[A-Za-z][A-Za-z0-9]*)))/,/^(?:\{)/,/^(?:\})/,/^(?::)/,/^(?:\[)/,/^(?:\])/,/^(?:(0x([0-9a-fA-F][0-9a-fA-F])*))/,/^(?:(0b(0|1)+))/,/^(?:([1-9][0-9]*|0))/,/^(?:\$\$)/,/^(?:([$][1-9][0-9]*))/,/^(?:$)/,/^(?:)/],
|
||
|
|
conditions: {"script":{"rules":[2,3],"inclusive":false},"INITIAL":{"rules":[0,1,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24],"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 = parser;
|
||
|
|
exports.Parser = parser.Parser;
|
||
|
|
exports.parse = function () { return parser.parse.apply(parser, 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));
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
// Added By ../generate.js
|
||
|
|
const parse = exports.parse;
|
||
|
|
export { parse, parser }
|