| Index: trunk/extensions/VisualEditor/tests/parser/parserTests.js |
| — | — | @@ -20,6 +20,9 @@ |
| 21 | 21 | colors = require('colors'), |
| 22 | 22 | HTML5 = require('html5').HTML5; |
| 23 | 23 | |
| | 24 | +// XXX: avoid a global here! |
| | 25 | +global.PEG = require('pegjs'); |
| | 26 | + |
| 24 | 27 | // Handle options/arguments with optimist module |
| 25 | 28 | var optimist = require('optimist'); |
| 26 | 29 | |
| — | — | @@ -112,8 +115,6 @@ |
| 113 | 116 | |
| 114 | 117 | var pj = path.join; |
| 115 | 118 | |
| 116 | | -// Local CommonJS-friendly libs |
| 117 | | -global.PEG = _require(pj('parser', 'lib.pegjs.js')); |
| 118 | 119 | |
| 119 | 120 | |
| 120 | 121 | // Our code... |
| Index: trunk/extensions/VisualEditor/tests/parser/README |
| — | — | @@ -3,6 +3,7 @@ |
| 4 | 4 | Batch-testing tools loading the parsing code into node.js, and going through a MediaWiki XML export dump to run round-trip tests over it. Currently not much will succeed as there's bad handling of newlines. ;) |
| 5 | 5 | |
| 6 | 6 | Need npm modules: |
| | 7 | +* pegjs |
| 7 | 8 | * colors |
| 8 | 9 | * html5 |
| 9 | 10 | * jquery |
| Index: trunk/extensions/VisualEditor/tests/parser/roundtrip-test.js |
| — | — | @@ -20,8 +20,8 @@ |
| 21 | 21 | // For now most modules only need this for $.extend and $.each :) |
| 22 | 22 | global.$ = require('jquery'); |
| 23 | 23 | |
| 24 | | - // Local CommonJS-friendly libs |
| 25 | | - global.PEG = _require('lib.pegjs.js'); |
| | 24 | + // XXX: Avoid a global here! |
| | 25 | + global.PEG = require('pegjs'); |
| 26 | 26 | |
| 27 | 27 | // Our code... |
| 28 | 28 | _import('ext.parserPlayground.serializer.js', ['MWTreeSerializer']); |
| Index: trunk/extensions/VisualEditor/modules/parser/lib.pegjs.js |
| — | — | @@ -1,4795 +0,0 @@ |
| 2 | | -/* PEG.js 0.6.1 (http://pegjs.majda.cz/) */ |
| 3 | | - |
| 4 | | -(function() { |
| 5 | | - |
| 6 | | -var undefined; |
| 7 | | - |
| 8 | | -var PEG = { |
| 9 | | - /* PEG.js version. */ |
| 10 | | - VERSION: "0.6.1", |
| 11 | | - |
| 12 | | - /* |
| 13 | | - * Generates a parser from a specified grammar and returns it. |
| 14 | | - * |
| 15 | | - * The grammar must be a string in the format described by the metagramar in |
| 16 | | - * the parser.pegjs file. |
| 17 | | - * |
| 18 | | - * Throws |PEG.parser.SyntaxError| if the grammar contains a syntax error or |
| 19 | | - * |PEG.GrammarError| if it contains a semantic error. Note that not all |
| 20 | | - * errors are detected during the generation and some may protrude to the |
| 21 | | - * generated parser and cause its malfunction. |
| 22 | | - */ |
| 23 | | - buildParser: function(grammar) { |
| 24 | | - return PEG.compiler.compile(PEG.parser.parse(grammar)); |
| 25 | | - } |
| 26 | | -}; |
| 27 | | - |
| 28 | | -/* Thrown when the grammar contains an error. */ |
| 29 | | - |
| 30 | | -PEG.GrammarError = function(message) { |
| 31 | | - this.name = "PEG.GrammarError"; |
| 32 | | - this.message = message; |
| 33 | | -}; |
| 34 | | - |
| 35 | | -PEG.GrammarError.prototype = Error.prototype; |
| 36 | | - |
| 37 | | -function contains(array, value) { |
| 38 | | - /* |
| 39 | | - * Stupid IE does not have Array.prototype.indexOf, otherwise this function |
| 40 | | - * would be a one-liner. |
| 41 | | - */ |
| 42 | | - var length = array.length; |
| 43 | | - for (var i = 0; i < length; i++) { |
| 44 | | - if (array[i] === value) { |
| 45 | | - return true; |
| 46 | | - } |
| 47 | | - } |
| 48 | | - return false; |
| 49 | | -} |
| 50 | | - |
| 51 | | -function each(array, callback) { |
| 52 | | - var length = array.length; |
| 53 | | - for (var i = 0; i < length; i++) { |
| 54 | | - callback(array[i]); |
| 55 | | - } |
| 56 | | -} |
| 57 | | - |
| 58 | | -function map(array, callback) { |
| 59 | | - var result = []; |
| 60 | | - var length = array.length; |
| 61 | | - for (var i = 0; i < length; i++) { |
| 62 | | - result[i] = callback(array[i]); |
| 63 | | - } |
| 64 | | - return result; |
| 65 | | -} |
| 66 | | - |
| 67 | | -/* |
| 68 | | - * Returns a string padded on the left to a desired length with a character. |
| 69 | | - * |
| 70 | | - * The code needs to be in sync with th code template in the compilation |
| 71 | | - * function for "action" nodes. |
| 72 | | - */ |
| 73 | | -function padLeft(input, padding, length) { |
| 74 | | - var result = input; |
| 75 | | - |
| 76 | | - var padLength = length - input.length; |
| 77 | | - for (var i = 0; i < padLength; i++) { |
| 78 | | - result = padding + result; |
| 79 | | - } |
| 80 | | - |
| 81 | | - return result; |
| 82 | | -} |
| 83 | | - |
| 84 | | -/* |
| 85 | | - * Returns an escape sequence for given character. Uses \x for characters <= |
| 86 | | - * 0xFF to save space, \u for the rest. |
| 87 | | - * |
| 88 | | - * The code needs to be in sync with th code template in the compilation |
| 89 | | - * function for "action" nodes. |
| 90 | | - */ |
| 91 | | -function escape(ch) { |
| 92 | | - var charCode = ch.charCodeAt(0); |
| 93 | | - |
| 94 | | - if (charCode <= 0xFF) { |
| 95 | | - var escapeChar = 'x'; |
| 96 | | - var length = 2; |
| 97 | | - } else { |
| 98 | | - var escapeChar = 'u'; |
| 99 | | - var length = 4; |
| 100 | | - } |
| 101 | | - |
| 102 | | - return '\\' + escapeChar + padLeft(charCode.toString(16).toUpperCase(), '0', length); |
| 103 | | -} |
| 104 | | - |
| 105 | | -/* |
| 106 | | - * Surrounds the string with quotes and escapes characters inside so that the |
| 107 | | - * result is a valid JavaScript string. |
| 108 | | - * |
| 109 | | - * The code needs to be in sync with th code template in the compilation |
| 110 | | - * function for "action" nodes. |
| 111 | | - */ |
| 112 | | -function quote(s) { |
| 113 | | - /* |
| 114 | | - * ECMA-262, 5th ed., 7.8.4: All characters may appear literally in a string |
| 115 | | - * literal except for the closing quote character, backslash, carriage return, |
| 116 | | - * line separator, paragraph separator, and line feed. Any character may |
| 117 | | - * appear in the form of an escape sequence. |
| 118 | | - * |
| 119 | | - * For portability, we also escape escape all non-ASCII characters. |
| 120 | | - */ |
| 121 | | - return '"' + s |
| 122 | | - .replace(/\\/g, '\\\\') // backslash |
| 123 | | - .replace(/"/g, '\\"') // closing quote character |
| 124 | | - .replace(/\r/g, '\\r') // carriage return |
| 125 | | - .replace(/\n/g, '\\n') // line feed |
| 126 | | - .replace(/[\x80-\uFFFF]/g, escape) // non-ASCII characters |
| 127 | | - + '"'; |
| 128 | | -}; |
| 129 | | - |
| 130 | | -/* |
| 131 | | - * Escapes characters inside the string so that it can be used as a list of |
| 132 | | - * characters in a character class of a regular expression. |
| 133 | | - */ |
| 134 | | -function quoteForRegexpClass(s) { |
| 135 | | - /* |
| 136 | | - * Based on ECMA-262, 5th ed., 7.8.5 & 15.10.1. |
| 137 | | - * |
| 138 | | - * For portability, we also escape escape all non-ASCII characters. |
| 139 | | - */ |
| 140 | | - return s |
| 141 | | - .replace(/\\/g, '\\\\') // backslash |
| 142 | | - .replace(/\0/g, '\\0') // null, IE needs this |
| 143 | | - .replace(/\//g, '\\/') // closing slash |
| 144 | | - .replace(/]/g, '\\]') // closing bracket |
| 145 | | - .replace(/-/g, '\\-') // dash |
| 146 | | - .replace(/\r/g, '\\r') // carriage return |
| 147 | | - .replace(/\n/g, '\\n') // line feed |
| 148 | | - .replace(/[\x80-\uFFFF]/g, escape) // non-ASCII characters |
| 149 | | -} |
| 150 | | - |
| 151 | | -/* |
| 152 | | - * Builds a node visitor -- a function which takes a node and any number of |
| 153 | | - * other parameters, calls an appropriate function according to the node type, |
| 154 | | - * passes it all its parameters and returns its value. The functions for various |
| 155 | | - * node types are passed in a parameter to |buildNodeVisitor| as a hash. |
| 156 | | - */ |
| 157 | | -function buildNodeVisitor(functions) { |
| 158 | | - return function(node) { |
| 159 | | - return functions[node.type].apply(null, arguments); |
| 160 | | - } |
| 161 | | -} |
| 162 | | -PEG.parser = (function(){ |
| 163 | | - /* Generated by PEG.js 0.6.1 (http://pegjs.majda.cz/). */ |
| 164 | | - |
| 165 | | - var result = { |
| 166 | | - /* |
| 167 | | - * Parses the input with a generated parser. If the parsing is successfull, |
| 168 | | - * returns a value explicitly or implicitly specified by the grammar from |
| 169 | | - * which the parser was generated (see |PEG.buildParser|). If the parsing is |
| 170 | | - * unsuccessful, throws |PEG.parser.SyntaxError| describing the error. |
| 171 | | - */ |
| 172 | | - parse: function(input, startRule) { |
| 173 | | - var parseFunctions = { |
| 174 | | - "__": parse___, |
| 175 | | - "action": parse_action, |
| 176 | | - "and": parse_and, |
| 177 | | - "braced": parse_braced, |
| 178 | | - "bracketDelimitedCharacter": parse_bracketDelimitedCharacter, |
| 179 | | - "choice": parse_choice, |
| 180 | | - "class": parse_class, |
| 181 | | - "classCharacter": parse_classCharacter, |
| 182 | | - "classCharacterRange": parse_classCharacterRange, |
| 183 | | - "colon": parse_colon, |
| 184 | | - "comment": parse_comment, |
| 185 | | - "digit": parse_digit, |
| 186 | | - "dot": parse_dot, |
| 187 | | - "doubleQuotedCharacter": parse_doubleQuotedCharacter, |
| 188 | | - "doubleQuotedLiteral": parse_doubleQuotedLiteral, |
| 189 | | - "eol": parse_eol, |
| 190 | | - "eolChar": parse_eolChar, |
| 191 | | - "eolEscapeSequence": parse_eolEscapeSequence, |
| 192 | | - "equals": parse_equals, |
| 193 | | - "grammar": parse_grammar, |
| 194 | | - "hexDigit": parse_hexDigit, |
| 195 | | - "hexEscapeSequence": parse_hexEscapeSequence, |
| 196 | | - "identifier": parse_identifier, |
| 197 | | - "initializer": parse_initializer, |
| 198 | | - "labeled": parse_labeled, |
| 199 | | - "letter": parse_letter, |
| 200 | | - "literal": parse_literal, |
| 201 | | - "lowerCaseLetter": parse_lowerCaseLetter, |
| 202 | | - "lparen": parse_lparen, |
| 203 | | - "multiLineComment": parse_multiLineComment, |
| 204 | | - "nonBraceCharacter": parse_nonBraceCharacter, |
| 205 | | - "nonBraceCharacters": parse_nonBraceCharacters, |
| 206 | | - "not": parse_not, |
| 207 | | - "plus": parse_plus, |
| 208 | | - "prefixed": parse_prefixed, |
| 209 | | - "primary": parse_primary, |
| 210 | | - "question": parse_question, |
| 211 | | - "rparen": parse_rparen, |
| 212 | | - "rule": parse_rule, |
| 213 | | - "semicolon": parse_semicolon, |
| 214 | | - "sequence": parse_sequence, |
| 215 | | - "simpleBracketDelimitedCharacter": parse_simpleBracketDelimitedCharacter, |
| 216 | | - "simpleDoubleQuotedCharacter": parse_simpleDoubleQuotedCharacter, |
| 217 | | - "simpleEscapeSequence": parse_simpleEscapeSequence, |
| 218 | | - "simpleSingleQuotedCharacter": parse_simpleSingleQuotedCharacter, |
| 219 | | - "singleLineComment": parse_singleLineComment, |
| 220 | | - "singleQuotedCharacter": parse_singleQuotedCharacter, |
| 221 | | - "singleQuotedLiteral": parse_singleQuotedLiteral, |
| 222 | | - "slash": parse_slash, |
| 223 | | - "star": parse_star, |
| 224 | | - "suffixed": parse_suffixed, |
| 225 | | - "unicodeEscapeSequence": parse_unicodeEscapeSequence, |
| 226 | | - "upperCaseLetter": parse_upperCaseLetter, |
| 227 | | - "whitespace": parse_whitespace, |
| 228 | | - "zeroEscapeSequence": parse_zeroEscapeSequence |
| 229 | | - }; |
| 230 | | - |
| 231 | | - if (startRule !== undefined) { |
| 232 | | - if (parseFunctions[startRule] === undefined) { |
| 233 | | - throw new Error("Invalid rule name: " + quote(startRule) + "."); |
| 234 | | - } |
| 235 | | - } else { |
| 236 | | - startRule = "grammar"; |
| 237 | | - } |
| 238 | | - |
| 239 | | - var pos = 0; |
| 240 | | - var reportMatchFailures = true; |
| 241 | | - var rightmostMatchFailuresPos = 0; |
| 242 | | - var rightmostMatchFailuresExpected = []; |
| 243 | | - var cache = {}; |
| 244 | | - |
| 245 | | - function padLeft(input, padding, length) { |
| 246 | | - var result = input; |
| 247 | | - |
| 248 | | - var padLength = length - input.length; |
| 249 | | - for (var i = 0; i < padLength; i++) { |
| 250 | | - result = padding + result; |
| 251 | | - } |
| 252 | | - |
| 253 | | - return result; |
| 254 | | - } |
| 255 | | - |
| 256 | | - function escape(ch) { |
| 257 | | - var charCode = ch.charCodeAt(0); |
| 258 | | - |
| 259 | | - if (charCode <= 0xFF) { |
| 260 | | - var escapeChar = 'x'; |
| 261 | | - var length = 2; |
| 262 | | - } else { |
| 263 | | - var escapeChar = 'u'; |
| 264 | | - var length = 4; |
| 265 | | - } |
| 266 | | - |
| 267 | | - return '\\' + escapeChar + padLeft(charCode.toString(16).toUpperCase(), '0', length); |
| 268 | | - } |
| 269 | | - |
| 270 | | - function quote(s) { |
| 271 | | - /* |
| 272 | | - * ECMA-262, 5th ed., 7.8.4: All characters may appear literally in a |
| 273 | | - * string literal except for the closing quote character, backslash, |
| 274 | | - * carriage return, line separator, paragraph separator, and line feed. |
| 275 | | - * Any character may appear in the form of an escape sequence. |
| 276 | | - */ |
| 277 | | - return '"' + s |
| 278 | | - .replace(/\\/g, '\\\\') // backslash |
| 279 | | - .replace(/"/g, '\\"') // closing quote character |
| 280 | | - .replace(/\r/g, '\\r') // carriage return |
| 281 | | - .replace(/\n/g, '\\n') // line feed |
| 282 | | - .replace(/[\x80-\uFFFF]/g, escape) // non-ASCII characters |
| 283 | | - + '"'; |
| 284 | | - } |
| 285 | | - |
| 286 | | - function matchFailed(failure) { |
| 287 | | - if (pos < rightmostMatchFailuresPos) { |
| 288 | | - return; |
| 289 | | - } |
| 290 | | - |
| 291 | | - if (pos > rightmostMatchFailuresPos) { |
| 292 | | - rightmostMatchFailuresPos = pos; |
| 293 | | - rightmostMatchFailuresExpected = []; |
| 294 | | - } |
| 295 | | - |
| 296 | | - rightmostMatchFailuresExpected.push(failure); |
| 297 | | - } |
| 298 | | - |
| 299 | | - function parse_grammar() { |
| 300 | | - var cacheKey = 'grammar@' + pos; |
| 301 | | - var cachedResult = cache[cacheKey]; |
| 302 | | - if (cachedResult) { |
| 303 | | - pos = cachedResult.nextPos; |
| 304 | | - return cachedResult.result; |
| 305 | | - } |
| 306 | | - |
| 307 | | - |
| 308 | | - var savedPos0 = pos; |
| 309 | | - var result2 = parse___(); |
| 310 | | - if (result2 !== null) { |
| 311 | | - var result6 = parse_initializer(); |
| 312 | | - var result3 = result6 !== null ? result6 : ''; |
| 313 | | - if (result3 !== null) { |
| 314 | | - var result5 = parse_rule(); |
| 315 | | - if (result5 !== null) { |
| 316 | | - var result4 = []; |
| 317 | | - while (result5 !== null) { |
| 318 | | - result4.push(result5); |
| 319 | | - var result5 = parse_rule(); |
| 320 | | - } |
| 321 | | - } else { |
| 322 | | - var result4 = null; |
| 323 | | - } |
| 324 | | - if (result4 !== null) { |
| 325 | | - var result1 = [result2, result3, result4]; |
| 326 | | - } else { |
| 327 | | - var result1 = null; |
| 328 | | - pos = savedPos0; |
| 329 | | - } |
| 330 | | - } else { |
| 331 | | - var result1 = null; |
| 332 | | - pos = savedPos0; |
| 333 | | - } |
| 334 | | - } else { |
| 335 | | - var result1 = null; |
| 336 | | - pos = savedPos0; |
| 337 | | - } |
| 338 | | - var result0 = result1 !== null |
| 339 | | - ? (function(initializer, rules) { |
| 340 | | - var rulesConverted = {}; |
| 341 | | - each(rules, function(rule) { rulesConverted[rule.name] = rule; }); |
| 342 | | - |
| 343 | | - return { |
| 344 | | - type: "grammar", |
| 345 | | - initializer: initializer !== "" ? initializer : null, |
| 346 | | - rules: rulesConverted, |
| 347 | | - startRule: rules[0].name |
| 348 | | - } |
| 349 | | - })(result1[1], result1[2]) |
| 350 | | - : null; |
| 351 | | - |
| 352 | | - |
| 353 | | - |
| 354 | | - cache[cacheKey] = { |
| 355 | | - nextPos: pos, |
| 356 | | - result: result0 |
| 357 | | - }; |
| 358 | | - return result0; |
| 359 | | - } |
| 360 | | - |
| 361 | | - function parse_initializer() { |
| 362 | | - var cacheKey = 'initializer@' + pos; |
| 363 | | - var cachedResult = cache[cacheKey]; |
| 364 | | - if (cachedResult) { |
| 365 | | - pos = cachedResult.nextPos; |
| 366 | | - return cachedResult.result; |
| 367 | | - } |
| 368 | | - |
| 369 | | - |
| 370 | | - var savedPos0 = pos; |
| 371 | | - var result2 = parse_action(); |
| 372 | | - if (result2 !== null) { |
| 373 | | - var result4 = parse_semicolon(); |
| 374 | | - var result3 = result4 !== null ? result4 : ''; |
| 375 | | - if (result3 !== null) { |
| 376 | | - var result1 = [result2, result3]; |
| 377 | | - } else { |
| 378 | | - var result1 = null; |
| 379 | | - pos = savedPos0; |
| 380 | | - } |
| 381 | | - } else { |
| 382 | | - var result1 = null; |
| 383 | | - pos = savedPos0; |
| 384 | | - } |
| 385 | | - var result0 = result1 !== null |
| 386 | | - ? (function(code) { |
| 387 | | - return { |
| 388 | | - type: "initializer", |
| 389 | | - code: code |
| 390 | | - }; |
| 391 | | - })(result1[0]) |
| 392 | | - : null; |
| 393 | | - |
| 394 | | - |
| 395 | | - |
| 396 | | - cache[cacheKey] = { |
| 397 | | - nextPos: pos, |
| 398 | | - result: result0 |
| 399 | | - }; |
| 400 | | - return result0; |
| 401 | | - } |
| 402 | | - |
| 403 | | - function parse_rule() { |
| 404 | | - var cacheKey = 'rule@' + pos; |
| 405 | | - var cachedResult = cache[cacheKey]; |
| 406 | | - if (cachedResult) { |
| 407 | | - pos = cachedResult.nextPos; |
| 408 | | - return cachedResult.result; |
| 409 | | - } |
| 410 | | - |
| 411 | | - |
| 412 | | - var savedPos0 = pos; |
| 413 | | - var result2 = parse_identifier(); |
| 414 | | - if (result2 !== null) { |
| 415 | | - var result9 = parse_literal(); |
| 416 | | - if (result9 !== null) { |
| 417 | | - var result3 = result9; |
| 418 | | - } else { |
| 419 | | - if (input.substr(pos, 0) === "") { |
| 420 | | - var result8 = ""; |
| 421 | | - pos += 0; |
| 422 | | - } else { |
| 423 | | - var result8 = null; |
| 424 | | - if (reportMatchFailures) { |
| 425 | | - matchFailed("\"\""); |
| 426 | | - } |
| 427 | | - } |
| 428 | | - if (result8 !== null) { |
| 429 | | - var result3 = result8; |
| 430 | | - } else { |
| 431 | | - var result3 = null;; |
| 432 | | - }; |
| 433 | | - } |
| 434 | | - if (result3 !== null) { |
| 435 | | - var result4 = parse_equals(); |
| 436 | | - if (result4 !== null) { |
| 437 | | - var result5 = parse_choice(); |
| 438 | | - if (result5 !== null) { |
| 439 | | - var result7 = parse_semicolon(); |
| 440 | | - var result6 = result7 !== null ? result7 : ''; |
| 441 | | - if (result6 !== null) { |
| 442 | | - var result1 = [result2, result3, result4, result5, result6]; |
| 443 | | - } else { |
| 444 | | - var result1 = null; |
| 445 | | - pos = savedPos0; |
| 446 | | - } |
| 447 | | - } else { |
| 448 | | - var result1 = null; |
| 449 | | - pos = savedPos0; |
| 450 | | - } |
| 451 | | - } else { |
| 452 | | - var result1 = null; |
| 453 | | - pos = savedPos0; |
| 454 | | - } |
| 455 | | - } else { |
| 456 | | - var result1 = null; |
| 457 | | - pos = savedPos0; |
| 458 | | - } |
| 459 | | - } else { |
| 460 | | - var result1 = null; |
| 461 | | - pos = savedPos0; |
| 462 | | - } |
| 463 | | - var result0 = result1 !== null |
| 464 | | - ? (function(name, displayName, expression) { |
| 465 | | - return { |
| 466 | | - type: "rule", |
| 467 | | - name: name, |
| 468 | | - displayName: displayName !== "" ? displayName : null, |
| 469 | | - expression: expression |
| 470 | | - }; |
| 471 | | - })(result1[0], result1[1], result1[3]) |
| 472 | | - : null; |
| 473 | | - |
| 474 | | - |
| 475 | | - |
| 476 | | - cache[cacheKey] = { |
| 477 | | - nextPos: pos, |
| 478 | | - result: result0 |
| 479 | | - }; |
| 480 | | - return result0; |
| 481 | | - } |
| 482 | | - |
| 483 | | - function parse_choice() { |
| 484 | | - var cacheKey = 'choice@' + pos; |
| 485 | | - var cachedResult = cache[cacheKey]; |
| 486 | | - if (cachedResult) { |
| 487 | | - pos = cachedResult.nextPos; |
| 488 | | - return cachedResult.result; |
| 489 | | - } |
| 490 | | - |
| 491 | | - |
| 492 | | - var savedPos0 = pos; |
| 493 | | - var result2 = parse_sequence(); |
| 494 | | - if (result2 !== null) { |
| 495 | | - var result3 = []; |
| 496 | | - var savedPos1 = pos; |
| 497 | | - var result5 = parse_slash(); |
| 498 | | - if (result5 !== null) { |
| 499 | | - var result6 = parse_sequence(); |
| 500 | | - if (result6 !== null) { |
| 501 | | - var result4 = [result5, result6]; |
| 502 | | - } else { |
| 503 | | - var result4 = null; |
| 504 | | - pos = savedPos1; |
| 505 | | - } |
| 506 | | - } else { |
| 507 | | - var result4 = null; |
| 508 | | - pos = savedPos1; |
| 509 | | - } |
| 510 | | - while (result4 !== null) { |
| 511 | | - result3.push(result4); |
| 512 | | - var savedPos1 = pos; |
| 513 | | - var result5 = parse_slash(); |
| 514 | | - if (result5 !== null) { |
| 515 | | - var result6 = parse_sequence(); |
| 516 | | - if (result6 !== null) { |
| 517 | | - var result4 = [result5, result6]; |
| 518 | | - } else { |
| 519 | | - var result4 = null; |
| 520 | | - pos = savedPos1; |
| 521 | | - } |
| 522 | | - } else { |
| 523 | | - var result4 = null; |
| 524 | | - pos = savedPos1; |
| 525 | | - } |
| 526 | | - } |
| 527 | | - if (result3 !== null) { |
| 528 | | - var result1 = [result2, result3]; |
| 529 | | - } else { |
| 530 | | - var result1 = null; |
| 531 | | - pos = savedPos0; |
| 532 | | - } |
| 533 | | - } else { |
| 534 | | - var result1 = null; |
| 535 | | - pos = savedPos0; |
| 536 | | - } |
| 537 | | - var result0 = result1 !== null |
| 538 | | - ? (function(head, tail) { |
| 539 | | - if (tail.length > 0) { |
| 540 | | - var alternatives = [head].concat(map( |
| 541 | | - tail, |
| 542 | | - function(element) { return element[1]; } |
| 543 | | - )); |
| 544 | | - return { |
| 545 | | - type: "choice", |
| 546 | | - alternatives: alternatives |
| 547 | | - } |
| 548 | | - } else { |
| 549 | | - return head; |
| 550 | | - } |
| 551 | | - })(result1[0], result1[1]) |
| 552 | | - : null; |
| 553 | | - |
| 554 | | - |
| 555 | | - |
| 556 | | - cache[cacheKey] = { |
| 557 | | - nextPos: pos, |
| 558 | | - result: result0 |
| 559 | | - }; |
| 560 | | - return result0; |
| 561 | | - } |
| 562 | | - |
| 563 | | - function parse_sequence() { |
| 564 | | - var cacheKey = 'sequence@' + pos; |
| 565 | | - var cachedResult = cache[cacheKey]; |
| 566 | | - if (cachedResult) { |
| 567 | | - pos = cachedResult.nextPos; |
| 568 | | - return cachedResult.result; |
| 569 | | - } |
| 570 | | - |
| 571 | | - |
| 572 | | - var savedPos0 = pos; |
| 573 | | - var result6 = []; |
| 574 | | - var result8 = parse_labeled(); |
| 575 | | - while (result8 !== null) { |
| 576 | | - result6.push(result8); |
| 577 | | - var result8 = parse_labeled(); |
| 578 | | - } |
| 579 | | - if (result6 !== null) { |
| 580 | | - var result7 = parse_action(); |
| 581 | | - if (result7 !== null) { |
| 582 | | - var result5 = [result6, result7]; |
| 583 | | - } else { |
| 584 | | - var result5 = null; |
| 585 | | - pos = savedPos0; |
| 586 | | - } |
| 587 | | - } else { |
| 588 | | - var result5 = null; |
| 589 | | - pos = savedPos0; |
| 590 | | - } |
| 591 | | - var result4 = result5 !== null |
| 592 | | - ? (function(elements, code) { |
| 593 | | - var expression = elements.length != 1 |
| 594 | | - ? { |
| 595 | | - type: "sequence", |
| 596 | | - elements: elements |
| 597 | | - } |
| 598 | | - : elements[0]; |
| 599 | | - return { |
| 600 | | - type: "action", |
| 601 | | - expression: expression, |
| 602 | | - code: code |
| 603 | | - }; |
| 604 | | - })(result5[0], result5[1]) |
| 605 | | - : null; |
| 606 | | - if (result4 !== null) { |
| 607 | | - var result0 = result4; |
| 608 | | - } else { |
| 609 | | - var result2 = []; |
| 610 | | - var result3 = parse_labeled(); |
| 611 | | - while (result3 !== null) { |
| 612 | | - result2.push(result3); |
| 613 | | - var result3 = parse_labeled(); |
| 614 | | - } |
| 615 | | - var result1 = result2 !== null |
| 616 | | - ? (function(elements) { |
| 617 | | - return elements.length != 1 |
| 618 | | - ? { |
| 619 | | - type: "sequence", |
| 620 | | - elements: elements |
| 621 | | - } |
| 622 | | - : elements[0]; |
| 623 | | - })(result2) |
| 624 | | - : null; |
| 625 | | - if (result1 !== null) { |
| 626 | | - var result0 = result1; |
| 627 | | - } else { |
| 628 | | - var result0 = null;; |
| 629 | | - }; |
| 630 | | - } |
| 631 | | - |
| 632 | | - |
| 633 | | - |
| 634 | | - cache[cacheKey] = { |
| 635 | | - nextPos: pos, |
| 636 | | - result: result0 |
| 637 | | - }; |
| 638 | | - return result0; |
| 639 | | - } |
| 640 | | - |
| 641 | | - function parse_labeled() { |
| 642 | | - var cacheKey = 'labeled@' + pos; |
| 643 | | - var cachedResult = cache[cacheKey]; |
| 644 | | - if (cachedResult) { |
| 645 | | - pos = cachedResult.nextPos; |
| 646 | | - return cachedResult.result; |
| 647 | | - } |
| 648 | | - |
| 649 | | - |
| 650 | | - var savedPos0 = pos; |
| 651 | | - var result4 = parse_identifier(); |
| 652 | | - if (result4 !== null) { |
| 653 | | - var result5 = parse_colon(); |
| 654 | | - if (result5 !== null) { |
| 655 | | - var result6 = parse_prefixed(); |
| 656 | | - if (result6 !== null) { |
| 657 | | - var result3 = [result4, result5, result6]; |
| 658 | | - } else { |
| 659 | | - var result3 = null; |
| 660 | | - pos = savedPos0; |
| 661 | | - } |
| 662 | | - } else { |
| 663 | | - var result3 = null; |
| 664 | | - pos = savedPos0; |
| 665 | | - } |
| 666 | | - } else { |
| 667 | | - var result3 = null; |
| 668 | | - pos = savedPos0; |
| 669 | | - } |
| 670 | | - var result2 = result3 !== null |
| 671 | | - ? (function(label, expression) { |
| 672 | | - return { |
| 673 | | - type: "labeled", |
| 674 | | - label: label, |
| 675 | | - expression: expression |
| 676 | | - }; |
| 677 | | - })(result3[0], result3[2]) |
| 678 | | - : null; |
| 679 | | - if (result2 !== null) { |
| 680 | | - var result0 = result2; |
| 681 | | - } else { |
| 682 | | - var result1 = parse_prefixed(); |
| 683 | | - if (result1 !== null) { |
| 684 | | - var result0 = result1; |
| 685 | | - } else { |
| 686 | | - var result0 = null;; |
| 687 | | - }; |
| 688 | | - } |
| 689 | | - |
| 690 | | - |
| 691 | | - |
| 692 | | - cache[cacheKey] = { |
| 693 | | - nextPos: pos, |
| 694 | | - result: result0 |
| 695 | | - }; |
| 696 | | - return result0; |
| 697 | | - } |
| 698 | | - |
| 699 | | - function parse_prefixed() { |
| 700 | | - var cacheKey = 'prefixed@' + pos; |
| 701 | | - var cachedResult = cache[cacheKey]; |
| 702 | | - if (cachedResult) { |
| 703 | | - pos = cachedResult.nextPos; |
| 704 | | - return cachedResult.result; |
| 705 | | - } |
| 706 | | - |
| 707 | | - |
| 708 | | - var savedPos3 = pos; |
| 709 | | - var result16 = parse_and(); |
| 710 | | - if (result16 !== null) { |
| 711 | | - var result17 = parse_action(); |
| 712 | | - if (result17 !== null) { |
| 713 | | - var result15 = [result16, result17]; |
| 714 | | - } else { |
| 715 | | - var result15 = null; |
| 716 | | - pos = savedPos3; |
| 717 | | - } |
| 718 | | - } else { |
| 719 | | - var result15 = null; |
| 720 | | - pos = savedPos3; |
| 721 | | - } |
| 722 | | - var result14 = result15 !== null |
| 723 | | - ? (function(code) { |
| 724 | | - return { |
| 725 | | - type: "semantic_and", |
| 726 | | - code: code |
| 727 | | - }; |
| 728 | | - })(result15[1]) |
| 729 | | - : null; |
| 730 | | - if (result14 !== null) { |
| 731 | | - var result0 = result14; |
| 732 | | - } else { |
| 733 | | - var savedPos2 = pos; |
| 734 | | - var result12 = parse_and(); |
| 735 | | - if (result12 !== null) { |
| 736 | | - var result13 = parse_suffixed(); |
| 737 | | - if (result13 !== null) { |
| 738 | | - var result11 = [result12, result13]; |
| 739 | | - } else { |
| 740 | | - var result11 = null; |
| 741 | | - pos = savedPos2; |
| 742 | | - } |
| 743 | | - } else { |
| 744 | | - var result11 = null; |
| 745 | | - pos = savedPos2; |
| 746 | | - } |
| 747 | | - var result10 = result11 !== null |
| 748 | | - ? (function(expression) { |
| 749 | | - return { |
| 750 | | - type: "simple_and", |
| 751 | | - expression: expression |
| 752 | | - }; |
| 753 | | - })(result11[1]) |
| 754 | | - : null; |
| 755 | | - if (result10 !== null) { |
| 756 | | - var result0 = result10; |
| 757 | | - } else { |
| 758 | | - var savedPos1 = pos; |
| 759 | | - var result8 = parse_not(); |
| 760 | | - if (result8 !== null) { |
| 761 | | - var result9 = parse_action(); |
| 762 | | - if (result9 !== null) { |
| 763 | | - var result7 = [result8, result9]; |
| 764 | | - } else { |
| 765 | | - var result7 = null; |
| 766 | | - pos = savedPos1; |
| 767 | | - } |
| 768 | | - } else { |
| 769 | | - var result7 = null; |
| 770 | | - pos = savedPos1; |
| 771 | | - } |
| 772 | | - var result6 = result7 !== null |
| 773 | | - ? (function(code) { |
| 774 | | - return { |
| 775 | | - type: "semantic_not", |
| 776 | | - code: code |
| 777 | | - }; |
| 778 | | - })(result7[1]) |
| 779 | | - : null; |
| 780 | | - if (result6 !== null) { |
| 781 | | - var result0 = result6; |
| 782 | | - } else { |
| 783 | | - var savedPos0 = pos; |
| 784 | | - var result4 = parse_not(); |
| 785 | | - if (result4 !== null) { |
| 786 | | - var result5 = parse_suffixed(); |
| 787 | | - if (result5 !== null) { |
| 788 | | - var result3 = [result4, result5]; |
| 789 | | - } else { |
| 790 | | - var result3 = null; |
| 791 | | - pos = savedPos0; |
| 792 | | - } |
| 793 | | - } else { |
| 794 | | - var result3 = null; |
| 795 | | - pos = savedPos0; |
| 796 | | - } |
| 797 | | - var result2 = result3 !== null |
| 798 | | - ? (function(expression) { |
| 799 | | - return { |
| 800 | | - type: "simple_not", |
| 801 | | - expression: expression |
| 802 | | - }; |
| 803 | | - })(result3[1]) |
| 804 | | - : null; |
| 805 | | - if (result2 !== null) { |
| 806 | | - var result0 = result2; |
| 807 | | - } else { |
| 808 | | - var result1 = parse_suffixed(); |
| 809 | | - if (result1 !== null) { |
| 810 | | - var result0 = result1; |
| 811 | | - } else { |
| 812 | | - var result0 = null;; |
| 813 | | - }; |
| 814 | | - }; |
| 815 | | - }; |
| 816 | | - }; |
| 817 | | - } |
| 818 | | - |
| 819 | | - |
| 820 | | - |
| 821 | | - cache[cacheKey] = { |
| 822 | | - nextPos: pos, |
| 823 | | - result: result0 |
| 824 | | - }; |
| 825 | | - return result0; |
| 826 | | - } |
| 827 | | - |
| 828 | | - function parse_suffixed() { |
| 829 | | - var cacheKey = 'suffixed@' + pos; |
| 830 | | - var cachedResult = cache[cacheKey]; |
| 831 | | - if (cachedResult) { |
| 832 | | - pos = cachedResult.nextPos; |
| 833 | | - return cachedResult.result; |
| 834 | | - } |
| 835 | | - |
| 836 | | - |
| 837 | | - var savedPos2 = pos; |
| 838 | | - var result12 = parse_primary(); |
| 839 | | - if (result12 !== null) { |
| 840 | | - var result13 = parse_question(); |
| 841 | | - if (result13 !== null) { |
| 842 | | - var result11 = [result12, result13]; |
| 843 | | - } else { |
| 844 | | - var result11 = null; |
| 845 | | - pos = savedPos2; |
| 846 | | - } |
| 847 | | - } else { |
| 848 | | - var result11 = null; |
| 849 | | - pos = savedPos2; |
| 850 | | - } |
| 851 | | - var result10 = result11 !== null |
| 852 | | - ? (function(expression) { |
| 853 | | - return { |
| 854 | | - type: "optional", |
| 855 | | - expression: expression |
| 856 | | - }; |
| 857 | | - })(result11[0]) |
| 858 | | - : null; |
| 859 | | - if (result10 !== null) { |
| 860 | | - var result0 = result10; |
| 861 | | - } else { |
| 862 | | - var savedPos1 = pos; |
| 863 | | - var result8 = parse_primary(); |
| 864 | | - if (result8 !== null) { |
| 865 | | - var result9 = parse_star(); |
| 866 | | - if (result9 !== null) { |
| 867 | | - var result7 = [result8, result9]; |
| 868 | | - } else { |
| 869 | | - var result7 = null; |
| 870 | | - pos = savedPos1; |
| 871 | | - } |
| 872 | | - } else { |
| 873 | | - var result7 = null; |
| 874 | | - pos = savedPos1; |
| 875 | | - } |
| 876 | | - var result6 = result7 !== null |
| 877 | | - ? (function(expression) { |
| 878 | | - return { |
| 879 | | - type: "zero_or_more", |
| 880 | | - expression: expression |
| 881 | | - }; |
| 882 | | - })(result7[0]) |
| 883 | | - : null; |
| 884 | | - if (result6 !== null) { |
| 885 | | - var result0 = result6; |
| 886 | | - } else { |
| 887 | | - var savedPos0 = pos; |
| 888 | | - var result4 = parse_primary(); |
| 889 | | - if (result4 !== null) { |
| 890 | | - var result5 = parse_plus(); |
| 891 | | - if (result5 !== null) { |
| 892 | | - var result3 = [result4, result5]; |
| 893 | | - } else { |
| 894 | | - var result3 = null; |
| 895 | | - pos = savedPos0; |
| 896 | | - } |
| 897 | | - } else { |
| 898 | | - var result3 = null; |
| 899 | | - pos = savedPos0; |
| 900 | | - } |
| 901 | | - var result2 = result3 !== null |
| 902 | | - ? (function(expression) { |
| 903 | | - return { |
| 904 | | - type: "one_or_more", |
| 905 | | - expression: expression |
| 906 | | - }; |
| 907 | | - })(result3[0]) |
| 908 | | - : null; |
| 909 | | - if (result2 !== null) { |
| 910 | | - var result0 = result2; |
| 911 | | - } else { |
| 912 | | - var result1 = parse_primary(); |
| 913 | | - if (result1 !== null) { |
| 914 | | - var result0 = result1; |
| 915 | | - } else { |
| 916 | | - var result0 = null;; |
| 917 | | - }; |
| 918 | | - }; |
| 919 | | - }; |
| 920 | | - } |
| 921 | | - |
| 922 | | - |
| 923 | | - |
| 924 | | - cache[cacheKey] = { |
| 925 | | - nextPos: pos, |
| 926 | | - result: result0 |
| 927 | | - }; |
| 928 | | - return result0; |
| 929 | | - } |
| 930 | | - |
| 931 | | - function parse_primary() { |
| 932 | | - var cacheKey = 'primary@' + pos; |
| 933 | | - var cachedResult = cache[cacheKey]; |
| 934 | | - if (cachedResult) { |
| 935 | | - pos = cachedResult.nextPos; |
| 936 | | - return cachedResult.result; |
| 937 | | - } |
| 938 | | - |
| 939 | | - |
| 940 | | - var savedPos1 = pos; |
| 941 | | - var result13 = parse_identifier(); |
| 942 | | - if (result13 !== null) { |
| 943 | | - var savedPos2 = pos; |
| 944 | | - var savedReportMatchFailuresVar0 = reportMatchFailures; |
| 945 | | - reportMatchFailures = false; |
| 946 | | - var savedPos3 = pos; |
| 947 | | - var result19 = parse_literal(); |
| 948 | | - if (result19 !== null) { |
| 949 | | - var result16 = result19; |
| 950 | | - } else { |
| 951 | | - if (input.substr(pos, 0) === "") { |
| 952 | | - var result18 = ""; |
| 953 | | - pos += 0; |
| 954 | | - } else { |
| 955 | | - var result18 = null; |
| 956 | | - if (reportMatchFailures) { |
| 957 | | - matchFailed("\"\""); |
| 958 | | - } |
| 959 | | - } |
| 960 | | - if (result18 !== null) { |
| 961 | | - var result16 = result18; |
| 962 | | - } else { |
| 963 | | - var result16 = null;; |
| 964 | | - }; |
| 965 | | - } |
| 966 | | - if (result16 !== null) { |
| 967 | | - var result17 = parse_equals(); |
| 968 | | - if (result17 !== null) { |
| 969 | | - var result15 = [result16, result17]; |
| 970 | | - } else { |
| 971 | | - var result15 = null; |
| 972 | | - pos = savedPos3; |
| 973 | | - } |
| 974 | | - } else { |
| 975 | | - var result15 = null; |
| 976 | | - pos = savedPos3; |
| 977 | | - } |
| 978 | | - reportMatchFailures = savedReportMatchFailuresVar0; |
| 979 | | - if (result15 === null) { |
| 980 | | - var result14 = ''; |
| 981 | | - } else { |
| 982 | | - var result14 = null; |
| 983 | | - pos = savedPos2; |
| 984 | | - } |
| 985 | | - if (result14 !== null) { |
| 986 | | - var result12 = [result13, result14]; |
| 987 | | - } else { |
| 988 | | - var result12 = null; |
| 989 | | - pos = savedPos1; |
| 990 | | - } |
| 991 | | - } else { |
| 992 | | - var result12 = null; |
| 993 | | - pos = savedPos1; |
| 994 | | - } |
| 995 | | - var result11 = result12 !== null |
| 996 | | - ? (function(name) { |
| 997 | | - return { |
| 998 | | - type: "rule_ref", |
| 999 | | - name: name |
| 1000 | | - }; |
| 1001 | | - })(result12[0]) |
| 1002 | | - : null; |
| 1003 | | - if (result11 !== null) { |
| 1004 | | - var result0 = result11; |
| 1005 | | - } else { |
| 1006 | | - var result10 = parse_literal(); |
| 1007 | | - var result9 = result10 !== null |
| 1008 | | - ? (function(value) { |
| 1009 | | - return { |
| 1010 | | - type: "literal", |
| 1011 | | - value: value |
| 1012 | | - }; |
| 1013 | | - })(result10) |
| 1014 | | - : null; |
| 1015 | | - if (result9 !== null) { |
| 1016 | | - var result0 = result9; |
| 1017 | | - } else { |
| 1018 | | - var result8 = parse_dot(); |
| 1019 | | - var result7 = result8 !== null |
| 1020 | | - ? (function() { return { type: "any" }; })() |
| 1021 | | - : null; |
| 1022 | | - if (result7 !== null) { |
| 1023 | | - var result0 = result7; |
| 1024 | | - } else { |
| 1025 | | - var result6 = parse_class(); |
| 1026 | | - if (result6 !== null) { |
| 1027 | | - var result0 = result6; |
| 1028 | | - } else { |
| 1029 | | - var savedPos0 = pos; |
| 1030 | | - var result3 = parse_lparen(); |
| 1031 | | - if (result3 !== null) { |
| 1032 | | - var result4 = parse_choice(); |
| 1033 | | - if (result4 !== null) { |
| 1034 | | - var result5 = parse_rparen(); |
| 1035 | | - if (result5 !== null) { |
| 1036 | | - var result2 = [result3, result4, result5]; |
| 1037 | | - } else { |
| 1038 | | - var result2 = null; |
| 1039 | | - pos = savedPos0; |
| 1040 | | - } |
| 1041 | | - } else { |
| 1042 | | - var result2 = null; |
| 1043 | | - pos = savedPos0; |
| 1044 | | - } |
| 1045 | | - } else { |
| 1046 | | - var result2 = null; |
| 1047 | | - pos = savedPos0; |
| 1048 | | - } |
| 1049 | | - var result1 = result2 !== null |
| 1050 | | - ? (function(expression) { return expression; })(result2[1]) |
| 1051 | | - : null; |
| 1052 | | - if (result1 !== null) { |
| 1053 | | - var result0 = result1; |
| 1054 | | - } else { |
| 1055 | | - var result0 = null;; |
| 1056 | | - }; |
| 1057 | | - }; |
| 1058 | | - }; |
| 1059 | | - }; |
| 1060 | | - } |
| 1061 | | - |
| 1062 | | - |
| 1063 | | - |
| 1064 | | - cache[cacheKey] = { |
| 1065 | | - nextPos: pos, |
| 1066 | | - result: result0 |
| 1067 | | - }; |
| 1068 | | - return result0; |
| 1069 | | - } |
| 1070 | | - |
| 1071 | | - function parse_action() { |
| 1072 | | - var cacheKey = 'action@' + pos; |
| 1073 | | - var cachedResult = cache[cacheKey]; |
| 1074 | | - if (cachedResult) { |
| 1075 | | - pos = cachedResult.nextPos; |
| 1076 | | - return cachedResult.result; |
| 1077 | | - } |
| 1078 | | - |
| 1079 | | - var savedReportMatchFailures = reportMatchFailures; |
| 1080 | | - reportMatchFailures = false; |
| 1081 | | - var savedPos0 = pos; |
| 1082 | | - var result2 = parse_braced(); |
| 1083 | | - if (result2 !== null) { |
| 1084 | | - var result3 = parse___(); |
| 1085 | | - if (result3 !== null) { |
| 1086 | | - var result1 = [result2, result3]; |
| 1087 | | - } else { |
| 1088 | | - var result1 = null; |
| 1089 | | - pos = savedPos0; |
| 1090 | | - } |
| 1091 | | - } else { |
| 1092 | | - var result1 = null; |
| 1093 | | - pos = savedPos0; |
| 1094 | | - } |
| 1095 | | - var result0 = result1 !== null |
| 1096 | | - ? (function(braced) { return braced.substr(1, braced.length - 2); })(result1[0]) |
| 1097 | | - : null; |
| 1098 | | - reportMatchFailures = savedReportMatchFailures; |
| 1099 | | - if (reportMatchFailures && result0 === null) { |
| 1100 | | - matchFailed("action"); |
| 1101 | | - } |
| 1102 | | - |
| 1103 | | - cache[cacheKey] = { |
| 1104 | | - nextPos: pos, |
| 1105 | | - result: result0 |
| 1106 | | - }; |
| 1107 | | - return result0; |
| 1108 | | - } |
| 1109 | | - |
| 1110 | | - function parse_braced() { |
| 1111 | | - var cacheKey = 'braced@' + pos; |
| 1112 | | - var cachedResult = cache[cacheKey]; |
| 1113 | | - if (cachedResult) { |
| 1114 | | - pos = cachedResult.nextPos; |
| 1115 | | - return cachedResult.result; |
| 1116 | | - } |
| 1117 | | - |
| 1118 | | - |
| 1119 | | - var savedPos0 = pos; |
| 1120 | | - if (input.substr(pos, 1) === "{") { |
| 1121 | | - var result2 = "{"; |
| 1122 | | - pos += 1; |
| 1123 | | - } else { |
| 1124 | | - var result2 = null; |
| 1125 | | - if (reportMatchFailures) { |
| 1126 | | - matchFailed("\"{\""); |
| 1127 | | - } |
| 1128 | | - } |
| 1129 | | - if (result2 !== null) { |
| 1130 | | - var result3 = []; |
| 1131 | | - var result7 = parse_braced(); |
| 1132 | | - if (result7 !== null) { |
| 1133 | | - var result5 = result7; |
| 1134 | | - } else { |
| 1135 | | - var result6 = parse_nonBraceCharacter(); |
| 1136 | | - if (result6 !== null) { |
| 1137 | | - var result5 = result6; |
| 1138 | | - } else { |
| 1139 | | - var result5 = null;; |
| 1140 | | - }; |
| 1141 | | - } |
| 1142 | | - while (result5 !== null) { |
| 1143 | | - result3.push(result5); |
| 1144 | | - var result7 = parse_braced(); |
| 1145 | | - if (result7 !== null) { |
| 1146 | | - var result5 = result7; |
| 1147 | | - } else { |
| 1148 | | - var result6 = parse_nonBraceCharacter(); |
| 1149 | | - if (result6 !== null) { |
| 1150 | | - var result5 = result6; |
| 1151 | | - } else { |
| 1152 | | - var result5 = null;; |
| 1153 | | - }; |
| 1154 | | - } |
| 1155 | | - } |
| 1156 | | - if (result3 !== null) { |
| 1157 | | - if (input.substr(pos, 1) === "}") { |
| 1158 | | - var result4 = "}"; |
| 1159 | | - pos += 1; |
| 1160 | | - } else { |
| 1161 | | - var result4 = null; |
| 1162 | | - if (reportMatchFailures) { |
| 1163 | | - matchFailed("\"}\""); |
| 1164 | | - } |
| 1165 | | - } |
| 1166 | | - if (result4 !== null) { |
| 1167 | | - var result1 = [result2, result3, result4]; |
| 1168 | | - } else { |
| 1169 | | - var result1 = null; |
| 1170 | | - pos = savedPos0; |
| 1171 | | - } |
| 1172 | | - } else { |
| 1173 | | - var result1 = null; |
| 1174 | | - pos = savedPos0; |
| 1175 | | - } |
| 1176 | | - } else { |
| 1177 | | - var result1 = null; |
| 1178 | | - pos = savedPos0; |
| 1179 | | - } |
| 1180 | | - var result0 = result1 !== null |
| 1181 | | - ? (function(parts) { |
| 1182 | | - return "{" + parts.join("") + "}"; |
| 1183 | | - })(result1[1]) |
| 1184 | | - : null; |
| 1185 | | - |
| 1186 | | - |
| 1187 | | - |
| 1188 | | - cache[cacheKey] = { |
| 1189 | | - nextPos: pos, |
| 1190 | | - result: result0 |
| 1191 | | - }; |
| 1192 | | - return result0; |
| 1193 | | - } |
| 1194 | | - |
| 1195 | | - function parse_nonBraceCharacters() { |
| 1196 | | - var cacheKey = 'nonBraceCharacters@' + pos; |
| 1197 | | - var cachedResult = cache[cacheKey]; |
| 1198 | | - if (cachedResult) { |
| 1199 | | - pos = cachedResult.nextPos; |
| 1200 | | - return cachedResult.result; |
| 1201 | | - } |
| 1202 | | - |
| 1203 | | - |
| 1204 | | - var result2 = parse_nonBraceCharacter(); |
| 1205 | | - if (result2 !== null) { |
| 1206 | | - var result1 = []; |
| 1207 | | - while (result2 !== null) { |
| 1208 | | - result1.push(result2); |
| 1209 | | - var result2 = parse_nonBraceCharacter(); |
| 1210 | | - } |
| 1211 | | - } else { |
| 1212 | | - var result1 = null; |
| 1213 | | - } |
| 1214 | | - var result0 = result1 !== null |
| 1215 | | - ? (function(chars) { return chars.join(""); })(result1) |
| 1216 | | - : null; |
| 1217 | | - |
| 1218 | | - |
| 1219 | | - |
| 1220 | | - cache[cacheKey] = { |
| 1221 | | - nextPos: pos, |
| 1222 | | - result: result0 |
| 1223 | | - }; |
| 1224 | | - return result0; |
| 1225 | | - } |
| 1226 | | - |
| 1227 | | - function parse_nonBraceCharacter() { |
| 1228 | | - var cacheKey = 'nonBraceCharacter@' + pos; |
| 1229 | | - var cachedResult = cache[cacheKey]; |
| 1230 | | - if (cachedResult) { |
| 1231 | | - pos = cachedResult.nextPos; |
| 1232 | | - return cachedResult.result; |
| 1233 | | - } |
| 1234 | | - |
| 1235 | | - |
| 1236 | | - if (input.substr(pos).match(/^[^{}]/) !== null) { |
| 1237 | | - var result0 = input.charAt(pos); |
| 1238 | | - pos++; |
| 1239 | | - } else { |
| 1240 | | - var result0 = null; |
| 1241 | | - if (reportMatchFailures) { |
| 1242 | | - matchFailed("[^{}]"); |
| 1243 | | - } |
| 1244 | | - } |
| 1245 | | - |
| 1246 | | - |
| 1247 | | - |
| 1248 | | - cache[cacheKey] = { |
| 1249 | | - nextPos: pos, |
| 1250 | | - result: result0 |
| 1251 | | - }; |
| 1252 | | - return result0; |
| 1253 | | - } |
| 1254 | | - |
| 1255 | | - function parse_equals() { |
| 1256 | | - var cacheKey = 'equals@' + pos; |
| 1257 | | - var cachedResult = cache[cacheKey]; |
| 1258 | | - if (cachedResult) { |
| 1259 | | - pos = cachedResult.nextPos; |
| 1260 | | - return cachedResult.result; |
| 1261 | | - } |
| 1262 | | - |
| 1263 | | - |
| 1264 | | - var savedPos0 = pos; |
| 1265 | | - if (input.substr(pos, 1) === "=") { |
| 1266 | | - var result2 = "="; |
| 1267 | | - pos += 1; |
| 1268 | | - } else { |
| 1269 | | - var result2 = null; |
| 1270 | | - if (reportMatchFailures) { |
| 1271 | | - matchFailed("\"=\""); |
| 1272 | | - } |
| 1273 | | - } |
| 1274 | | - if (result2 !== null) { |
| 1275 | | - var result3 = parse___(); |
| 1276 | | - if (result3 !== null) { |
| 1277 | | - var result1 = [result2, result3]; |
| 1278 | | - } else { |
| 1279 | | - var result1 = null; |
| 1280 | | - pos = savedPos0; |
| 1281 | | - } |
| 1282 | | - } else { |
| 1283 | | - var result1 = null; |
| 1284 | | - pos = savedPos0; |
| 1285 | | - } |
| 1286 | | - var result0 = result1 !== null |
| 1287 | | - ? (function() { return "="; })() |
| 1288 | | - : null; |
| 1289 | | - |
| 1290 | | - |
| 1291 | | - |
| 1292 | | - cache[cacheKey] = { |
| 1293 | | - nextPos: pos, |
| 1294 | | - result: result0 |
| 1295 | | - }; |
| 1296 | | - return result0; |
| 1297 | | - } |
| 1298 | | - |
| 1299 | | - function parse_colon() { |
| 1300 | | - var cacheKey = 'colon@' + pos; |
| 1301 | | - var cachedResult = cache[cacheKey]; |
| 1302 | | - if (cachedResult) { |
| 1303 | | - pos = cachedResult.nextPos; |
| 1304 | | - return cachedResult.result; |
| 1305 | | - } |
| 1306 | | - |
| 1307 | | - |
| 1308 | | - var savedPos0 = pos; |
| 1309 | | - if (input.substr(pos, 1) === ":") { |
| 1310 | | - var result2 = ":"; |
| 1311 | | - pos += 1; |
| 1312 | | - } else { |
| 1313 | | - var result2 = null; |
| 1314 | | - if (reportMatchFailures) { |
| 1315 | | - matchFailed("\":\""); |
| 1316 | | - } |
| 1317 | | - } |
| 1318 | | - if (result2 !== null) { |
| 1319 | | - var result3 = parse___(); |
| 1320 | | - if (result3 !== null) { |
| 1321 | | - var result1 = [result2, result3]; |
| 1322 | | - } else { |
| 1323 | | - var result1 = null; |
| 1324 | | - pos = savedPos0; |
| 1325 | | - } |
| 1326 | | - } else { |
| 1327 | | - var result1 = null; |
| 1328 | | - pos = savedPos0; |
| 1329 | | - } |
| 1330 | | - var result0 = result1 !== null |
| 1331 | | - ? (function() { return ":"; })() |
| 1332 | | - : null; |
| 1333 | | - |
| 1334 | | - |
| 1335 | | - |
| 1336 | | - cache[cacheKey] = { |
| 1337 | | - nextPos: pos, |
| 1338 | | - result: result0 |
| 1339 | | - }; |
| 1340 | | - return result0; |
| 1341 | | - } |
| 1342 | | - |
| 1343 | | - function parse_semicolon() { |
| 1344 | | - var cacheKey = 'semicolon@' + pos; |
| 1345 | | - var cachedResult = cache[cacheKey]; |
| 1346 | | - if (cachedResult) { |
| 1347 | | - pos = cachedResult.nextPos; |
| 1348 | | - return cachedResult.result; |
| 1349 | | - } |
| 1350 | | - |
| 1351 | | - |
| 1352 | | - var savedPos0 = pos; |
| 1353 | | - if (input.substr(pos, 1) === ";") { |
| 1354 | | - var result2 = ";"; |
| 1355 | | - pos += 1; |
| 1356 | | - } else { |
| 1357 | | - var result2 = null; |
| 1358 | | - if (reportMatchFailures) { |
| 1359 | | - matchFailed("\";\""); |
| 1360 | | - } |
| 1361 | | - } |
| 1362 | | - if (result2 !== null) { |
| 1363 | | - var result3 = parse___(); |
| 1364 | | - if (result3 !== null) { |
| 1365 | | - var result1 = [result2, result3]; |
| 1366 | | - } else { |
| 1367 | | - var result1 = null; |
| 1368 | | - pos = savedPos0; |
| 1369 | | - } |
| 1370 | | - } else { |
| 1371 | | - var result1 = null; |
| 1372 | | - pos = savedPos0; |
| 1373 | | - } |
| 1374 | | - var result0 = result1 !== null |
| 1375 | | - ? (function() { return ";"; })() |
| 1376 | | - : null; |
| 1377 | | - |
| 1378 | | - |
| 1379 | | - |
| 1380 | | - cache[cacheKey] = { |
| 1381 | | - nextPos: pos, |
| 1382 | | - result: result0 |
| 1383 | | - }; |
| 1384 | | - return result0; |
| 1385 | | - } |
| 1386 | | - |
| 1387 | | - function parse_slash() { |
| 1388 | | - var cacheKey = 'slash@' + pos; |
| 1389 | | - var cachedResult = cache[cacheKey]; |
| 1390 | | - if (cachedResult) { |
| 1391 | | - pos = cachedResult.nextPos; |
| 1392 | | - return cachedResult.result; |
| 1393 | | - } |
| 1394 | | - |
| 1395 | | - |
| 1396 | | - var savedPos0 = pos; |
| 1397 | | - if (input.substr(pos, 1) === "/") { |
| 1398 | | - var result2 = "/"; |
| 1399 | | - pos += 1; |
| 1400 | | - } else { |
| 1401 | | - var result2 = null; |
| 1402 | | - if (reportMatchFailures) { |
| 1403 | | - matchFailed("\"/\""); |
| 1404 | | - } |
| 1405 | | - } |
| 1406 | | - if (result2 !== null) { |
| 1407 | | - var result3 = parse___(); |
| 1408 | | - if (result3 !== null) { |
| 1409 | | - var result1 = [result2, result3]; |
| 1410 | | - } else { |
| 1411 | | - var result1 = null; |
| 1412 | | - pos = savedPos0; |
| 1413 | | - } |
| 1414 | | - } else { |
| 1415 | | - var result1 = null; |
| 1416 | | - pos = savedPos0; |
| 1417 | | - } |
| 1418 | | - var result0 = result1 !== null |
| 1419 | | - ? (function() { return "/"; })() |
| 1420 | | - : null; |
| 1421 | | - |
| 1422 | | - |
| 1423 | | - |
| 1424 | | - cache[cacheKey] = { |
| 1425 | | - nextPos: pos, |
| 1426 | | - result: result0 |
| 1427 | | - }; |
| 1428 | | - return result0; |
| 1429 | | - } |
| 1430 | | - |
| 1431 | | - function parse_and() { |
| 1432 | | - var cacheKey = 'and@' + pos; |
| 1433 | | - var cachedResult = cache[cacheKey]; |
| 1434 | | - if (cachedResult) { |
| 1435 | | - pos = cachedResult.nextPos; |
| 1436 | | - return cachedResult.result; |
| 1437 | | - } |
| 1438 | | - |
| 1439 | | - |
| 1440 | | - var savedPos0 = pos; |
| 1441 | | - if (input.substr(pos, 1) === "&") { |
| 1442 | | - var result2 = "&"; |
| 1443 | | - pos += 1; |
| 1444 | | - } else { |
| 1445 | | - var result2 = null; |
| 1446 | | - if (reportMatchFailures) { |
| 1447 | | - matchFailed("\"&\""); |
| 1448 | | - } |
| 1449 | | - } |
| 1450 | | - if (result2 !== null) { |
| 1451 | | - var result3 = parse___(); |
| 1452 | | - if (result3 !== null) { |
| 1453 | | - var result1 = [result2, result3]; |
| 1454 | | - } else { |
| 1455 | | - var result1 = null; |
| 1456 | | - pos = savedPos0; |
| 1457 | | - } |
| 1458 | | - } else { |
| 1459 | | - var result1 = null; |
| 1460 | | - pos = savedPos0; |
| 1461 | | - } |
| 1462 | | - var result0 = result1 !== null |
| 1463 | | - ? (function() { return "&"; })() |
| 1464 | | - : null; |
| 1465 | | - |
| 1466 | | - |
| 1467 | | - |
| 1468 | | - cache[cacheKey] = { |
| 1469 | | - nextPos: pos, |
| 1470 | | - result: result0 |
| 1471 | | - }; |
| 1472 | | - return result0; |
| 1473 | | - } |
| 1474 | | - |
| 1475 | | - function parse_not() { |
| 1476 | | - var cacheKey = 'not@' + pos; |
| 1477 | | - var cachedResult = cache[cacheKey]; |
| 1478 | | - if (cachedResult) { |
| 1479 | | - pos = cachedResult.nextPos; |
| 1480 | | - return cachedResult.result; |
| 1481 | | - } |
| 1482 | | - |
| 1483 | | - |
| 1484 | | - var savedPos0 = pos; |
| 1485 | | - if (input.substr(pos, 1) === "!") { |
| 1486 | | - var result2 = "!"; |
| 1487 | | - pos += 1; |
| 1488 | | - } else { |
| 1489 | | - var result2 = null; |
| 1490 | | - if (reportMatchFailures) { |
| 1491 | | - matchFailed("\"!\""); |
| 1492 | | - } |
| 1493 | | - } |
| 1494 | | - if (result2 !== null) { |
| 1495 | | - var result3 = parse___(); |
| 1496 | | - if (result3 !== null) { |
| 1497 | | - var result1 = [result2, result3]; |
| 1498 | | - } else { |
| 1499 | | - var result1 = null; |
| 1500 | | - pos = savedPos0; |
| 1501 | | - } |
| 1502 | | - } else { |
| 1503 | | - var result1 = null; |
| 1504 | | - pos = savedPos0; |
| 1505 | | - } |
| 1506 | | - var result0 = result1 !== null |
| 1507 | | - ? (function() { return "!"; })() |
| 1508 | | - : null; |
| 1509 | | - |
| 1510 | | - |
| 1511 | | - |
| 1512 | | - cache[cacheKey] = { |
| 1513 | | - nextPos: pos, |
| 1514 | | - result: result0 |
| 1515 | | - }; |
| 1516 | | - return result0; |
| 1517 | | - } |
| 1518 | | - |
| 1519 | | - function parse_question() { |
| 1520 | | - var cacheKey = 'question@' + pos; |
| 1521 | | - var cachedResult = cache[cacheKey]; |
| 1522 | | - if (cachedResult) { |
| 1523 | | - pos = cachedResult.nextPos; |
| 1524 | | - return cachedResult.result; |
| 1525 | | - } |
| 1526 | | - |
| 1527 | | - |
| 1528 | | - var savedPos0 = pos; |
| 1529 | | - if (input.substr(pos, 1) === "?") { |
| 1530 | | - var result2 = "?"; |
| 1531 | | - pos += 1; |
| 1532 | | - } else { |
| 1533 | | - var result2 = null; |
| 1534 | | - if (reportMatchFailures) { |
| 1535 | | - matchFailed("\"?\""); |
| 1536 | | - } |
| 1537 | | - } |
| 1538 | | - if (result2 !== null) { |
| 1539 | | - var result3 = parse___(); |
| 1540 | | - if (result3 !== null) { |
| 1541 | | - var result1 = [result2, result3]; |
| 1542 | | - } else { |
| 1543 | | - var result1 = null; |
| 1544 | | - pos = savedPos0; |
| 1545 | | - } |
| 1546 | | - } else { |
| 1547 | | - var result1 = null; |
| 1548 | | - pos = savedPos0; |
| 1549 | | - } |
| 1550 | | - var result0 = result1 !== null |
| 1551 | | - ? (function() { return "?"; })() |
| 1552 | | - : null; |
| 1553 | | - |
| 1554 | | - |
| 1555 | | - |
| 1556 | | - cache[cacheKey] = { |
| 1557 | | - nextPos: pos, |
| 1558 | | - result: result0 |
| 1559 | | - }; |
| 1560 | | - return result0; |
| 1561 | | - } |
| 1562 | | - |
| 1563 | | - function parse_star() { |
| 1564 | | - var cacheKey = 'star@' + pos; |
| 1565 | | - var cachedResult = cache[cacheKey]; |
| 1566 | | - if (cachedResult) { |
| 1567 | | - pos = cachedResult.nextPos; |
| 1568 | | - return cachedResult.result; |
| 1569 | | - } |
| 1570 | | - |
| 1571 | | - |
| 1572 | | - var savedPos0 = pos; |
| 1573 | | - if (input.substr(pos, 1) === "*") { |
| 1574 | | - var result2 = "*"; |
| 1575 | | - pos += 1; |
| 1576 | | - } else { |
| 1577 | | - var result2 = null; |
| 1578 | | - if (reportMatchFailures) { |
| 1579 | | - matchFailed("\"*\""); |
| 1580 | | - } |
| 1581 | | - } |
| 1582 | | - if (result2 !== null) { |
| 1583 | | - var result3 = parse___(); |
| 1584 | | - if (result3 !== null) { |
| 1585 | | - var result1 = [result2, result3]; |
| 1586 | | - } else { |
| 1587 | | - var result1 = null; |
| 1588 | | - pos = savedPos0; |
| 1589 | | - } |
| 1590 | | - } else { |
| 1591 | | - var result1 = null; |
| 1592 | | - pos = savedPos0; |
| 1593 | | - } |
| 1594 | | - var result0 = result1 !== null |
| 1595 | | - ? (function() { return "*"; })() |
| 1596 | | - : null; |
| 1597 | | - |
| 1598 | | - |
| 1599 | | - |
| 1600 | | - cache[cacheKey] = { |
| 1601 | | - nextPos: pos, |
| 1602 | | - result: result0 |
| 1603 | | - }; |
| 1604 | | - return result0; |
| 1605 | | - } |
| 1606 | | - |
| 1607 | | - function parse_plus() { |
| 1608 | | - var cacheKey = 'plus@' + pos; |
| 1609 | | - var cachedResult = cache[cacheKey]; |
| 1610 | | - if (cachedResult) { |
| 1611 | | - pos = cachedResult.nextPos; |
| 1612 | | - return cachedResult.result; |
| 1613 | | - } |
| 1614 | | - |
| 1615 | | - |
| 1616 | | - var savedPos0 = pos; |
| 1617 | | - if (input.substr(pos, 1) === "+") { |
| 1618 | | - var result2 = "+"; |
| 1619 | | - pos += 1; |
| 1620 | | - } else { |
| 1621 | | - var result2 = null; |
| 1622 | | - if (reportMatchFailures) { |
| 1623 | | - matchFailed("\"+\""); |
| 1624 | | - } |
| 1625 | | - } |
| 1626 | | - if (result2 !== null) { |
| 1627 | | - var result3 = parse___(); |
| 1628 | | - if (result3 !== null) { |
| 1629 | | - var result1 = [result2, result3]; |
| 1630 | | - } else { |
| 1631 | | - var result1 = null; |
| 1632 | | - pos = savedPos0; |
| 1633 | | - } |
| 1634 | | - } else { |
| 1635 | | - var result1 = null; |
| 1636 | | - pos = savedPos0; |
| 1637 | | - } |
| 1638 | | - var result0 = result1 !== null |
| 1639 | | - ? (function() { return "+"; })() |
| 1640 | | - : null; |
| 1641 | | - |
| 1642 | | - |
| 1643 | | - |
| 1644 | | - cache[cacheKey] = { |
| 1645 | | - nextPos: pos, |
| 1646 | | - result: result0 |
| 1647 | | - }; |
| 1648 | | - return result0; |
| 1649 | | - } |
| 1650 | | - |
| 1651 | | - function parse_lparen() { |
| 1652 | | - var cacheKey = 'lparen@' + pos; |
| 1653 | | - var cachedResult = cache[cacheKey]; |
| 1654 | | - if (cachedResult) { |
| 1655 | | - pos = cachedResult.nextPos; |
| 1656 | | - return cachedResult.result; |
| 1657 | | - } |
| 1658 | | - |
| 1659 | | - |
| 1660 | | - var savedPos0 = pos; |
| 1661 | | - if (input.substr(pos, 1) === "(") { |
| 1662 | | - var result2 = "("; |
| 1663 | | - pos += 1; |
| 1664 | | - } else { |
| 1665 | | - var result2 = null; |
| 1666 | | - if (reportMatchFailures) { |
| 1667 | | - matchFailed("\"(\""); |
| 1668 | | - } |
| 1669 | | - } |
| 1670 | | - if (result2 !== null) { |
| 1671 | | - var result3 = parse___(); |
| 1672 | | - if (result3 !== null) { |
| 1673 | | - var result1 = [result2, result3]; |
| 1674 | | - } else { |
| 1675 | | - var result1 = null; |
| 1676 | | - pos = savedPos0; |
| 1677 | | - } |
| 1678 | | - } else { |
| 1679 | | - var result1 = null; |
| 1680 | | - pos = savedPos0; |
| 1681 | | - } |
| 1682 | | - var result0 = result1 !== null |
| 1683 | | - ? (function() { return "("; })() |
| 1684 | | - : null; |
| 1685 | | - |
| 1686 | | - |
| 1687 | | - |
| 1688 | | - cache[cacheKey] = { |
| 1689 | | - nextPos: pos, |
| 1690 | | - result: result0 |
| 1691 | | - }; |
| 1692 | | - return result0; |
| 1693 | | - } |
| 1694 | | - |
| 1695 | | - function parse_rparen() { |
| 1696 | | - var cacheKey = 'rparen@' + pos; |
| 1697 | | - var cachedResult = cache[cacheKey]; |
| 1698 | | - if (cachedResult) { |
| 1699 | | - pos = cachedResult.nextPos; |
| 1700 | | - return cachedResult.result; |
| 1701 | | - } |
| 1702 | | - |
| 1703 | | - |
| 1704 | | - var savedPos0 = pos; |
| 1705 | | - if (input.substr(pos, 1) === ")") { |
| 1706 | | - var result2 = ")"; |
| 1707 | | - pos += 1; |
| 1708 | | - } else { |
| 1709 | | - var result2 = null; |
| 1710 | | - if (reportMatchFailures) { |
| 1711 | | - matchFailed("\")\""); |
| 1712 | | - } |
| 1713 | | - } |
| 1714 | | - if (result2 !== null) { |
| 1715 | | - var result3 = parse___(); |
| 1716 | | - if (result3 !== null) { |
| 1717 | | - var result1 = [result2, result3]; |
| 1718 | | - } else { |
| 1719 | | - var result1 = null; |
| 1720 | | - pos = savedPos0; |
| 1721 | | - } |
| 1722 | | - } else { |
| 1723 | | - var result1 = null; |
| 1724 | | - pos = savedPos0; |
| 1725 | | - } |
| 1726 | | - var result0 = result1 !== null |
| 1727 | | - ? (function() { return ")"; })() |
| 1728 | | - : null; |
| 1729 | | - |
| 1730 | | - |
| 1731 | | - |
| 1732 | | - cache[cacheKey] = { |
| 1733 | | - nextPos: pos, |
| 1734 | | - result: result0 |
| 1735 | | - }; |
| 1736 | | - return result0; |
| 1737 | | - } |
| 1738 | | - |
| 1739 | | - function parse_dot() { |
| 1740 | | - var cacheKey = 'dot@' + pos; |
| 1741 | | - var cachedResult = cache[cacheKey]; |
| 1742 | | - if (cachedResult) { |
| 1743 | | - pos = cachedResult.nextPos; |
| 1744 | | - return cachedResult.result; |
| 1745 | | - } |
| 1746 | | - |
| 1747 | | - |
| 1748 | | - var savedPos0 = pos; |
| 1749 | | - if (input.substr(pos, 1) === ".") { |
| 1750 | | - var result2 = "."; |
| 1751 | | - pos += 1; |
| 1752 | | - } else { |
| 1753 | | - var result2 = null; |
| 1754 | | - if (reportMatchFailures) { |
| 1755 | | - matchFailed("\".\""); |
| 1756 | | - } |
| 1757 | | - } |
| 1758 | | - if (result2 !== null) { |
| 1759 | | - var result3 = parse___(); |
| 1760 | | - if (result3 !== null) { |
| 1761 | | - var result1 = [result2, result3]; |
| 1762 | | - } else { |
| 1763 | | - var result1 = null; |
| 1764 | | - pos = savedPos0; |
| 1765 | | - } |
| 1766 | | - } else { |
| 1767 | | - var result1 = null; |
| 1768 | | - pos = savedPos0; |
| 1769 | | - } |
| 1770 | | - var result0 = result1 !== null |
| 1771 | | - ? (function() { return "."; })() |
| 1772 | | - : null; |
| 1773 | | - |
| 1774 | | - |
| 1775 | | - |
| 1776 | | - cache[cacheKey] = { |
| 1777 | | - nextPos: pos, |
| 1778 | | - result: result0 |
| 1779 | | - }; |
| 1780 | | - return result0; |
| 1781 | | - } |
| 1782 | | - |
| 1783 | | - function parse_identifier() { |
| 1784 | | - var cacheKey = 'identifier@' + pos; |
| 1785 | | - var cachedResult = cache[cacheKey]; |
| 1786 | | - if (cachedResult) { |
| 1787 | | - pos = cachedResult.nextPos; |
| 1788 | | - return cachedResult.result; |
| 1789 | | - } |
| 1790 | | - |
| 1791 | | - var savedReportMatchFailures = reportMatchFailures; |
| 1792 | | - reportMatchFailures = false; |
| 1793 | | - var savedPos0 = pos; |
| 1794 | | - var result12 = parse_letter(); |
| 1795 | | - if (result12 !== null) { |
| 1796 | | - var result2 = result12; |
| 1797 | | - } else { |
| 1798 | | - if (input.substr(pos, 1) === "_") { |
| 1799 | | - var result11 = "_"; |
| 1800 | | - pos += 1; |
| 1801 | | - } else { |
| 1802 | | - var result11 = null; |
| 1803 | | - if (reportMatchFailures) { |
| 1804 | | - matchFailed("\"_\""); |
| 1805 | | - } |
| 1806 | | - } |
| 1807 | | - if (result11 !== null) { |
| 1808 | | - var result2 = result11; |
| 1809 | | - } else { |
| 1810 | | - if (input.substr(pos, 1) === "$") { |
| 1811 | | - var result10 = "$"; |
| 1812 | | - pos += 1; |
| 1813 | | - } else { |
| 1814 | | - var result10 = null; |
| 1815 | | - if (reportMatchFailures) { |
| 1816 | | - matchFailed("\"$\""); |
| 1817 | | - } |
| 1818 | | - } |
| 1819 | | - if (result10 !== null) { |
| 1820 | | - var result2 = result10; |
| 1821 | | - } else { |
| 1822 | | - var result2 = null;; |
| 1823 | | - }; |
| 1824 | | - }; |
| 1825 | | - } |
| 1826 | | - if (result2 !== null) { |
| 1827 | | - var result3 = []; |
| 1828 | | - var result9 = parse_letter(); |
| 1829 | | - if (result9 !== null) { |
| 1830 | | - var result5 = result9; |
| 1831 | | - } else { |
| 1832 | | - var result8 = parse_digit(); |
| 1833 | | - if (result8 !== null) { |
| 1834 | | - var result5 = result8; |
| 1835 | | - } else { |
| 1836 | | - if (input.substr(pos, 1) === "_") { |
| 1837 | | - var result7 = "_"; |
| 1838 | | - pos += 1; |
| 1839 | | - } else { |
| 1840 | | - var result7 = null; |
| 1841 | | - if (reportMatchFailures) { |
| 1842 | | - matchFailed("\"_\""); |
| 1843 | | - } |
| 1844 | | - } |
| 1845 | | - if (result7 !== null) { |
| 1846 | | - var result5 = result7; |
| 1847 | | - } else { |
| 1848 | | - if (input.substr(pos, 1) === "$") { |
| 1849 | | - var result6 = "$"; |
| 1850 | | - pos += 1; |
| 1851 | | - } else { |
| 1852 | | - var result6 = null; |
| 1853 | | - if (reportMatchFailures) { |
| 1854 | | - matchFailed("\"$\""); |
| 1855 | | - } |
| 1856 | | - } |
| 1857 | | - if (result6 !== null) { |
| 1858 | | - var result5 = result6; |
| 1859 | | - } else { |
| 1860 | | - var result5 = null;; |
| 1861 | | - }; |
| 1862 | | - }; |
| 1863 | | - }; |
| 1864 | | - } |
| 1865 | | - while (result5 !== null) { |
| 1866 | | - result3.push(result5); |
| 1867 | | - var result9 = parse_letter(); |
| 1868 | | - if (result9 !== null) { |
| 1869 | | - var result5 = result9; |
| 1870 | | - } else { |
| 1871 | | - var result8 = parse_digit(); |
| 1872 | | - if (result8 !== null) { |
| 1873 | | - var result5 = result8; |
| 1874 | | - } else { |
| 1875 | | - if (input.substr(pos, 1) === "_") { |
| 1876 | | - var result7 = "_"; |
| 1877 | | - pos += 1; |
| 1878 | | - } else { |
| 1879 | | - var result7 = null; |
| 1880 | | - if (reportMatchFailures) { |
| 1881 | | - matchFailed("\"_\""); |
| 1882 | | - } |
| 1883 | | - } |
| 1884 | | - if (result7 !== null) { |
| 1885 | | - var result5 = result7; |
| 1886 | | - } else { |
| 1887 | | - if (input.substr(pos, 1) === "$") { |
| 1888 | | - var result6 = "$"; |
| 1889 | | - pos += 1; |
| 1890 | | - } else { |
| 1891 | | - var result6 = null; |
| 1892 | | - if (reportMatchFailures) { |
| 1893 | | - matchFailed("\"$\""); |
| 1894 | | - } |
| 1895 | | - } |
| 1896 | | - if (result6 !== null) { |
| 1897 | | - var result5 = result6; |
| 1898 | | - } else { |
| 1899 | | - var result5 = null;; |
| 1900 | | - }; |
| 1901 | | - }; |
| 1902 | | - }; |
| 1903 | | - } |
| 1904 | | - } |
| 1905 | | - if (result3 !== null) { |
| 1906 | | - var result4 = parse___(); |
| 1907 | | - if (result4 !== null) { |
| 1908 | | - var result1 = [result2, result3, result4]; |
| 1909 | | - } else { |
| 1910 | | - var result1 = null; |
| 1911 | | - pos = savedPos0; |
| 1912 | | - } |
| 1913 | | - } else { |
| 1914 | | - var result1 = null; |
| 1915 | | - pos = savedPos0; |
| 1916 | | - } |
| 1917 | | - } else { |
| 1918 | | - var result1 = null; |
| 1919 | | - pos = savedPos0; |
| 1920 | | - } |
| 1921 | | - var result0 = result1 !== null |
| 1922 | | - ? (function(head, tail) { |
| 1923 | | - return head + tail.join(""); |
| 1924 | | - })(result1[0], result1[1]) |
| 1925 | | - : null; |
| 1926 | | - reportMatchFailures = savedReportMatchFailures; |
| 1927 | | - if (reportMatchFailures && result0 === null) { |
| 1928 | | - matchFailed("identifier"); |
| 1929 | | - } |
| 1930 | | - |
| 1931 | | - cache[cacheKey] = { |
| 1932 | | - nextPos: pos, |
| 1933 | | - result: result0 |
| 1934 | | - }; |
| 1935 | | - return result0; |
| 1936 | | - } |
| 1937 | | - |
| 1938 | | - function parse_literal() { |
| 1939 | | - var cacheKey = 'literal@' + pos; |
| 1940 | | - var cachedResult = cache[cacheKey]; |
| 1941 | | - if (cachedResult) { |
| 1942 | | - pos = cachedResult.nextPos; |
| 1943 | | - return cachedResult.result; |
| 1944 | | - } |
| 1945 | | - |
| 1946 | | - var savedReportMatchFailures = reportMatchFailures; |
| 1947 | | - reportMatchFailures = false; |
| 1948 | | - var savedPos0 = pos; |
| 1949 | | - var result5 = parse_doubleQuotedLiteral(); |
| 1950 | | - if (result5 !== null) { |
| 1951 | | - var result2 = result5; |
| 1952 | | - } else { |
| 1953 | | - var result4 = parse_singleQuotedLiteral(); |
| 1954 | | - if (result4 !== null) { |
| 1955 | | - var result2 = result4; |
| 1956 | | - } else { |
| 1957 | | - var result2 = null;; |
| 1958 | | - }; |
| 1959 | | - } |
| 1960 | | - if (result2 !== null) { |
| 1961 | | - var result3 = parse___(); |
| 1962 | | - if (result3 !== null) { |
| 1963 | | - var result1 = [result2, result3]; |
| 1964 | | - } else { |
| 1965 | | - var result1 = null; |
| 1966 | | - pos = savedPos0; |
| 1967 | | - } |
| 1968 | | - } else { |
| 1969 | | - var result1 = null; |
| 1970 | | - pos = savedPos0; |
| 1971 | | - } |
| 1972 | | - var result0 = result1 !== null |
| 1973 | | - ? (function(literal) { return literal; })(result1[0]) |
| 1974 | | - : null; |
| 1975 | | - reportMatchFailures = savedReportMatchFailures; |
| 1976 | | - if (reportMatchFailures && result0 === null) { |
| 1977 | | - matchFailed("literal"); |
| 1978 | | - } |
| 1979 | | - |
| 1980 | | - cache[cacheKey] = { |
| 1981 | | - nextPos: pos, |
| 1982 | | - result: result0 |
| 1983 | | - }; |
| 1984 | | - return result0; |
| 1985 | | - } |
| 1986 | | - |
| 1987 | | - function parse_doubleQuotedLiteral() { |
| 1988 | | - var cacheKey = 'doubleQuotedLiteral@' + pos; |
| 1989 | | - var cachedResult = cache[cacheKey]; |
| 1990 | | - if (cachedResult) { |
| 1991 | | - pos = cachedResult.nextPos; |
| 1992 | | - return cachedResult.result; |
| 1993 | | - } |
| 1994 | | - |
| 1995 | | - |
| 1996 | | - var savedPos0 = pos; |
| 1997 | | - if (input.substr(pos, 1) === "\"") { |
| 1998 | | - var result2 = "\""; |
| 1999 | | - pos += 1; |
| 2000 | | - } else { |
| 2001 | | - var result2 = null; |
| 2002 | | - if (reportMatchFailures) { |
| 2003 | | - matchFailed("\"\\\"\""); |
| 2004 | | - } |
| 2005 | | - } |
| 2006 | | - if (result2 !== null) { |
| 2007 | | - var result3 = []; |
| 2008 | | - var result5 = parse_doubleQuotedCharacter(); |
| 2009 | | - while (result5 !== null) { |
| 2010 | | - result3.push(result5); |
| 2011 | | - var result5 = parse_doubleQuotedCharacter(); |
| 2012 | | - } |
| 2013 | | - if (result3 !== null) { |
| 2014 | | - if (input.substr(pos, 1) === "\"") { |
| 2015 | | - var result4 = "\""; |
| 2016 | | - pos += 1; |
| 2017 | | - } else { |
| 2018 | | - var result4 = null; |
| 2019 | | - if (reportMatchFailures) { |
| 2020 | | - matchFailed("\"\\\"\""); |
| 2021 | | - } |
| 2022 | | - } |
| 2023 | | - if (result4 !== null) { |
| 2024 | | - var result1 = [result2, result3, result4]; |
| 2025 | | - } else { |
| 2026 | | - var result1 = null; |
| 2027 | | - pos = savedPos0; |
| 2028 | | - } |
| 2029 | | - } else { |
| 2030 | | - var result1 = null; |
| 2031 | | - pos = savedPos0; |
| 2032 | | - } |
| 2033 | | - } else { |
| 2034 | | - var result1 = null; |
| 2035 | | - pos = savedPos0; |
| 2036 | | - } |
| 2037 | | - var result0 = result1 !== null |
| 2038 | | - ? (function(chars) { return chars.join(""); })(result1[1]) |
| 2039 | | - : null; |
| 2040 | | - |
| 2041 | | - |
| 2042 | | - |
| 2043 | | - cache[cacheKey] = { |
| 2044 | | - nextPos: pos, |
| 2045 | | - result: result0 |
| 2046 | | - }; |
| 2047 | | - return result0; |
| 2048 | | - } |
| 2049 | | - |
| 2050 | | - function parse_doubleQuotedCharacter() { |
| 2051 | | - var cacheKey = 'doubleQuotedCharacter@' + pos; |
| 2052 | | - var cachedResult = cache[cacheKey]; |
| 2053 | | - if (cachedResult) { |
| 2054 | | - pos = cachedResult.nextPos; |
| 2055 | | - return cachedResult.result; |
| 2056 | | - } |
| 2057 | | - |
| 2058 | | - |
| 2059 | | - var result6 = parse_simpleDoubleQuotedCharacter(); |
| 2060 | | - if (result6 !== null) { |
| 2061 | | - var result0 = result6; |
| 2062 | | - } else { |
| 2063 | | - var result5 = parse_simpleEscapeSequence(); |
| 2064 | | - if (result5 !== null) { |
| 2065 | | - var result0 = result5; |
| 2066 | | - } else { |
| 2067 | | - var result4 = parse_zeroEscapeSequence(); |
| 2068 | | - if (result4 !== null) { |
| 2069 | | - var result0 = result4; |
| 2070 | | - } else { |
| 2071 | | - var result3 = parse_hexEscapeSequence(); |
| 2072 | | - if (result3 !== null) { |
| 2073 | | - var result0 = result3; |
| 2074 | | - } else { |
| 2075 | | - var result2 = parse_unicodeEscapeSequence(); |
| 2076 | | - if (result2 !== null) { |
| 2077 | | - var result0 = result2; |
| 2078 | | - } else { |
| 2079 | | - var result1 = parse_eolEscapeSequence(); |
| 2080 | | - if (result1 !== null) { |
| 2081 | | - var result0 = result1; |
| 2082 | | - } else { |
| 2083 | | - var result0 = null;; |
| 2084 | | - }; |
| 2085 | | - }; |
| 2086 | | - }; |
| 2087 | | - }; |
| 2088 | | - }; |
| 2089 | | - } |
| 2090 | | - |
| 2091 | | - |
| 2092 | | - |
| 2093 | | - cache[cacheKey] = { |
| 2094 | | - nextPos: pos, |
| 2095 | | - result: result0 |
| 2096 | | - }; |
| 2097 | | - return result0; |
| 2098 | | - } |
| 2099 | | - |
| 2100 | | - function parse_simpleDoubleQuotedCharacter() { |
| 2101 | | - var cacheKey = 'simpleDoubleQuotedCharacter@' + pos; |
| 2102 | | - var cachedResult = cache[cacheKey]; |
| 2103 | | - if (cachedResult) { |
| 2104 | | - pos = cachedResult.nextPos; |
| 2105 | | - return cachedResult.result; |
| 2106 | | - } |
| 2107 | | - |
| 2108 | | - |
| 2109 | | - var savedPos0 = pos; |
| 2110 | | - var savedPos1 = pos; |
| 2111 | | - var savedReportMatchFailuresVar0 = reportMatchFailures; |
| 2112 | | - reportMatchFailures = false; |
| 2113 | | - if (input.substr(pos, 1) === "\"") { |
| 2114 | | - var result7 = "\""; |
| 2115 | | - pos += 1; |
| 2116 | | - } else { |
| 2117 | | - var result7 = null; |
| 2118 | | - if (reportMatchFailures) { |
| 2119 | | - matchFailed("\"\\\"\""); |
| 2120 | | - } |
| 2121 | | - } |
| 2122 | | - if (result7 !== null) { |
| 2123 | | - var result4 = result7; |
| 2124 | | - } else { |
| 2125 | | - if (input.substr(pos, 1) === "\\") { |
| 2126 | | - var result6 = "\\"; |
| 2127 | | - pos += 1; |
| 2128 | | - } else { |
| 2129 | | - var result6 = null; |
| 2130 | | - if (reportMatchFailures) { |
| 2131 | | - matchFailed("\"\\\\\""); |
| 2132 | | - } |
| 2133 | | - } |
| 2134 | | - if (result6 !== null) { |
| 2135 | | - var result4 = result6; |
| 2136 | | - } else { |
| 2137 | | - var result5 = parse_eolChar(); |
| 2138 | | - if (result5 !== null) { |
| 2139 | | - var result4 = result5; |
| 2140 | | - } else { |
| 2141 | | - var result4 = null;; |
| 2142 | | - }; |
| 2143 | | - }; |
| 2144 | | - } |
| 2145 | | - reportMatchFailures = savedReportMatchFailuresVar0; |
| 2146 | | - if (result4 === null) { |
| 2147 | | - var result2 = ''; |
| 2148 | | - } else { |
| 2149 | | - var result2 = null; |
| 2150 | | - pos = savedPos1; |
| 2151 | | - } |
| 2152 | | - if (result2 !== null) { |
| 2153 | | - if (input.length > pos) { |
| 2154 | | - var result3 = input.charAt(pos); |
| 2155 | | - pos++; |
| 2156 | | - } else { |
| 2157 | | - var result3 = null; |
| 2158 | | - if (reportMatchFailures) { |
| 2159 | | - matchFailed('any character'); |
| 2160 | | - } |
| 2161 | | - } |
| 2162 | | - if (result3 !== null) { |
| 2163 | | - var result1 = [result2, result3]; |
| 2164 | | - } else { |
| 2165 | | - var result1 = null; |
| 2166 | | - pos = savedPos0; |
| 2167 | | - } |
| 2168 | | - } else { |
| 2169 | | - var result1 = null; |
| 2170 | | - pos = savedPos0; |
| 2171 | | - } |
| 2172 | | - var result0 = result1 !== null |
| 2173 | | - ? (function(char_) { return char_; })(result1[1]) |
| 2174 | | - : null; |
| 2175 | | - |
| 2176 | | - |
| 2177 | | - |
| 2178 | | - cache[cacheKey] = { |
| 2179 | | - nextPos: pos, |
| 2180 | | - result: result0 |
| 2181 | | - }; |
| 2182 | | - return result0; |
| 2183 | | - } |
| 2184 | | - |
| 2185 | | - function parse_singleQuotedLiteral() { |
| 2186 | | - var cacheKey = 'singleQuotedLiteral@' + pos; |
| 2187 | | - var cachedResult = cache[cacheKey]; |
| 2188 | | - if (cachedResult) { |
| 2189 | | - pos = cachedResult.nextPos; |
| 2190 | | - return cachedResult.result; |
| 2191 | | - } |
| 2192 | | - |
| 2193 | | - |
| 2194 | | - var savedPos0 = pos; |
| 2195 | | - if (input.substr(pos, 1) === "'") { |
| 2196 | | - var result2 = "'"; |
| 2197 | | - pos += 1; |
| 2198 | | - } else { |
| 2199 | | - var result2 = null; |
| 2200 | | - if (reportMatchFailures) { |
| 2201 | | - matchFailed("\"'\""); |
| 2202 | | - } |
| 2203 | | - } |
| 2204 | | - if (result2 !== null) { |
| 2205 | | - var result3 = []; |
| 2206 | | - var result5 = parse_singleQuotedCharacter(); |
| 2207 | | - while (result5 !== null) { |
| 2208 | | - result3.push(result5); |
| 2209 | | - var result5 = parse_singleQuotedCharacter(); |
| 2210 | | - } |
| 2211 | | - if (result3 !== null) { |
| 2212 | | - if (input.substr(pos, 1) === "'") { |
| 2213 | | - var result4 = "'"; |
| 2214 | | - pos += 1; |
| 2215 | | - } else { |
| 2216 | | - var result4 = null; |
| 2217 | | - if (reportMatchFailures) { |
| 2218 | | - matchFailed("\"'\""); |
| 2219 | | - } |
| 2220 | | - } |
| 2221 | | - if (result4 !== null) { |
| 2222 | | - var result1 = [result2, result3, result4]; |
| 2223 | | - } else { |
| 2224 | | - var result1 = null; |
| 2225 | | - pos = savedPos0; |
| 2226 | | - } |
| 2227 | | - } else { |
| 2228 | | - var result1 = null; |
| 2229 | | - pos = savedPos0; |
| 2230 | | - } |
| 2231 | | - } else { |
| 2232 | | - var result1 = null; |
| 2233 | | - pos = savedPos0; |
| 2234 | | - } |
| 2235 | | - var result0 = result1 !== null |
| 2236 | | - ? (function(chars) { return chars.join(""); })(result1[1]) |
| 2237 | | - : null; |
| 2238 | | - |
| 2239 | | - |
| 2240 | | - |
| 2241 | | - cache[cacheKey] = { |
| 2242 | | - nextPos: pos, |
| 2243 | | - result: result0 |
| 2244 | | - }; |
| 2245 | | - return result0; |
| 2246 | | - } |
| 2247 | | - |
| 2248 | | - function parse_singleQuotedCharacter() { |
| 2249 | | - var cacheKey = 'singleQuotedCharacter@' + pos; |
| 2250 | | - var cachedResult = cache[cacheKey]; |
| 2251 | | - if (cachedResult) { |
| 2252 | | - pos = cachedResult.nextPos; |
| 2253 | | - return cachedResult.result; |
| 2254 | | - } |
| 2255 | | - |
| 2256 | | - |
| 2257 | | - var result6 = parse_simpleSingleQuotedCharacter(); |
| 2258 | | - if (result6 !== null) { |
| 2259 | | - var result0 = result6; |
| 2260 | | - } else { |
| 2261 | | - var result5 = parse_simpleEscapeSequence(); |
| 2262 | | - if (result5 !== null) { |
| 2263 | | - var result0 = result5; |
| 2264 | | - } else { |
| 2265 | | - var result4 = parse_zeroEscapeSequence(); |
| 2266 | | - if (result4 !== null) { |
| 2267 | | - var result0 = result4; |
| 2268 | | - } else { |
| 2269 | | - var result3 = parse_hexEscapeSequence(); |
| 2270 | | - if (result3 !== null) { |
| 2271 | | - var result0 = result3; |
| 2272 | | - } else { |
| 2273 | | - var result2 = parse_unicodeEscapeSequence(); |
| 2274 | | - if (result2 !== null) { |
| 2275 | | - var result0 = result2; |
| 2276 | | - } else { |
| 2277 | | - var result1 = parse_eolEscapeSequence(); |
| 2278 | | - if (result1 !== null) { |
| 2279 | | - var result0 = result1; |
| 2280 | | - } else { |
| 2281 | | - var result0 = null;; |
| 2282 | | - }; |
| 2283 | | - }; |
| 2284 | | - }; |
| 2285 | | - }; |
| 2286 | | - }; |
| 2287 | | - } |
| 2288 | | - |
| 2289 | | - |
| 2290 | | - |
| 2291 | | - cache[cacheKey] = { |
| 2292 | | - nextPos: pos, |
| 2293 | | - result: result0 |
| 2294 | | - }; |
| 2295 | | - return result0; |
| 2296 | | - } |
| 2297 | | - |
| 2298 | | - function parse_simpleSingleQuotedCharacter() { |
| 2299 | | - var cacheKey = 'simpleSingleQuotedCharacter@' + pos; |
| 2300 | | - var cachedResult = cache[cacheKey]; |
| 2301 | | - if (cachedResult) { |
| 2302 | | - pos = cachedResult.nextPos; |
| 2303 | | - return cachedResult.result; |
| 2304 | | - } |
| 2305 | | - |
| 2306 | | - |
| 2307 | | - var savedPos0 = pos; |
| 2308 | | - var savedPos1 = pos; |
| 2309 | | - var savedReportMatchFailuresVar0 = reportMatchFailures; |
| 2310 | | - reportMatchFailures = false; |
| 2311 | | - if (input.substr(pos, 1) === "'") { |
| 2312 | | - var result7 = "'"; |
| 2313 | | - pos += 1; |
| 2314 | | - } else { |
| 2315 | | - var result7 = null; |
| 2316 | | - if (reportMatchFailures) { |
| 2317 | | - matchFailed("\"'\""); |
| 2318 | | - } |
| 2319 | | - } |
| 2320 | | - if (result7 !== null) { |
| 2321 | | - var result4 = result7; |
| 2322 | | - } else { |
| 2323 | | - if (input.substr(pos, 1) === "\\") { |
| 2324 | | - var result6 = "\\"; |
| 2325 | | - pos += 1; |
| 2326 | | - } else { |
| 2327 | | - var result6 = null; |
| 2328 | | - if (reportMatchFailures) { |
| 2329 | | - matchFailed("\"\\\\\""); |
| 2330 | | - } |
| 2331 | | - } |
| 2332 | | - if (result6 !== null) { |
| 2333 | | - var result4 = result6; |
| 2334 | | - } else { |
| 2335 | | - var result5 = parse_eolChar(); |
| 2336 | | - if (result5 !== null) { |
| 2337 | | - var result4 = result5; |
| 2338 | | - } else { |
| 2339 | | - var result4 = null;; |
| 2340 | | - }; |
| 2341 | | - }; |
| 2342 | | - } |
| 2343 | | - reportMatchFailures = savedReportMatchFailuresVar0; |
| 2344 | | - if (result4 === null) { |
| 2345 | | - var result2 = ''; |
| 2346 | | - } else { |
| 2347 | | - var result2 = null; |
| 2348 | | - pos = savedPos1; |
| 2349 | | - } |
| 2350 | | - if (result2 !== null) { |
| 2351 | | - if (input.length > pos) { |
| 2352 | | - var result3 = input.charAt(pos); |
| 2353 | | - pos++; |
| 2354 | | - } else { |
| 2355 | | - var result3 = null; |
| 2356 | | - if (reportMatchFailures) { |
| 2357 | | - matchFailed('any character'); |
| 2358 | | - } |
| 2359 | | - } |
| 2360 | | - if (result3 !== null) { |
| 2361 | | - var result1 = [result2, result3]; |
| 2362 | | - } else { |
| 2363 | | - var result1 = null; |
| 2364 | | - pos = savedPos0; |
| 2365 | | - } |
| 2366 | | - } else { |
| 2367 | | - var result1 = null; |
| 2368 | | - pos = savedPos0; |
| 2369 | | - } |
| 2370 | | - var result0 = result1 !== null |
| 2371 | | - ? (function(char_) { return char_; })(result1[1]) |
| 2372 | | - : null; |
| 2373 | | - |
| 2374 | | - |
| 2375 | | - |
| 2376 | | - cache[cacheKey] = { |
| 2377 | | - nextPos: pos, |
| 2378 | | - result: result0 |
| 2379 | | - }; |
| 2380 | | - return result0; |
| 2381 | | - } |
| 2382 | | - |
| 2383 | | - function parse_class() { |
| 2384 | | - var cacheKey = 'class@' + pos; |
| 2385 | | - var cachedResult = cache[cacheKey]; |
| 2386 | | - if (cachedResult) { |
| 2387 | | - pos = cachedResult.nextPos; |
| 2388 | | - return cachedResult.result; |
| 2389 | | - } |
| 2390 | | - |
| 2391 | | - var savedReportMatchFailures = reportMatchFailures; |
| 2392 | | - reportMatchFailures = false; |
| 2393 | | - var savedPos0 = pos; |
| 2394 | | - if (input.substr(pos, 1) === "[") { |
| 2395 | | - var result2 = "["; |
| 2396 | | - pos += 1; |
| 2397 | | - } else { |
| 2398 | | - var result2 = null; |
| 2399 | | - if (reportMatchFailures) { |
| 2400 | | - matchFailed("\"[\""); |
| 2401 | | - } |
| 2402 | | - } |
| 2403 | | - if (result2 !== null) { |
| 2404 | | - if (input.substr(pos, 1) === "^") { |
| 2405 | | - var result10 = "^"; |
| 2406 | | - pos += 1; |
| 2407 | | - } else { |
| 2408 | | - var result10 = null; |
| 2409 | | - if (reportMatchFailures) { |
| 2410 | | - matchFailed("\"^\""); |
| 2411 | | - } |
| 2412 | | - } |
| 2413 | | - var result3 = result10 !== null ? result10 : ''; |
| 2414 | | - if (result3 !== null) { |
| 2415 | | - var result4 = []; |
| 2416 | | - var result9 = parse_classCharacterRange(); |
| 2417 | | - if (result9 !== null) { |
| 2418 | | - var result7 = result9; |
| 2419 | | - } else { |
| 2420 | | - var result8 = parse_classCharacter(); |
| 2421 | | - if (result8 !== null) { |
| 2422 | | - var result7 = result8; |
| 2423 | | - } else { |
| 2424 | | - var result7 = null;; |
| 2425 | | - }; |
| 2426 | | - } |
| 2427 | | - while (result7 !== null) { |
| 2428 | | - result4.push(result7); |
| 2429 | | - var result9 = parse_classCharacterRange(); |
| 2430 | | - if (result9 !== null) { |
| 2431 | | - var result7 = result9; |
| 2432 | | - } else { |
| 2433 | | - var result8 = parse_classCharacter(); |
| 2434 | | - if (result8 !== null) { |
| 2435 | | - var result7 = result8; |
| 2436 | | - } else { |
| 2437 | | - var result7 = null;; |
| 2438 | | - }; |
| 2439 | | - } |
| 2440 | | - } |
| 2441 | | - if (result4 !== null) { |
| 2442 | | - if (input.substr(pos, 1) === "]") { |
| 2443 | | - var result5 = "]"; |
| 2444 | | - pos += 1; |
| 2445 | | - } else { |
| 2446 | | - var result5 = null; |
| 2447 | | - if (reportMatchFailures) { |
| 2448 | | - matchFailed("\"]\""); |
| 2449 | | - } |
| 2450 | | - } |
| 2451 | | - if (result5 !== null) { |
| 2452 | | - var result6 = parse___(); |
| 2453 | | - if (result6 !== null) { |
| 2454 | | - var result1 = [result2, result3, result4, result5, result6]; |
| 2455 | | - } else { |
| 2456 | | - var result1 = null; |
| 2457 | | - pos = savedPos0; |
| 2458 | | - } |
| 2459 | | - } else { |
| 2460 | | - var result1 = null; |
| 2461 | | - pos = savedPos0; |
| 2462 | | - } |
| 2463 | | - } else { |
| 2464 | | - var result1 = null; |
| 2465 | | - pos = savedPos0; |
| 2466 | | - } |
| 2467 | | - } else { |
| 2468 | | - var result1 = null; |
| 2469 | | - pos = savedPos0; |
| 2470 | | - } |
| 2471 | | - } else { |
| 2472 | | - var result1 = null; |
| 2473 | | - pos = savedPos0; |
| 2474 | | - } |
| 2475 | | - var result0 = result1 !== null |
| 2476 | | - ? (function(inverted, parts) { |
| 2477 | | - var partsConverted = map(parts, function(part) { return part.data; }); |
| 2478 | | - var rawText = "[" |
| 2479 | | - + inverted |
| 2480 | | - + map(parts, function(part) { return part.rawText; }).join("") |
| 2481 | | - + "]"; |
| 2482 | | - |
| 2483 | | - return { |
| 2484 | | - type: "class", |
| 2485 | | - inverted: inverted === "^", |
| 2486 | | - parts: partsConverted, |
| 2487 | | - // FIXME: Get the raw text from the input directly. |
| 2488 | | - rawText: rawText |
| 2489 | | - }; |
| 2490 | | - })(result1[1], result1[2]) |
| 2491 | | - : null; |
| 2492 | | - reportMatchFailures = savedReportMatchFailures; |
| 2493 | | - if (reportMatchFailures && result0 === null) { |
| 2494 | | - matchFailed("character class"); |
| 2495 | | - } |
| 2496 | | - |
| 2497 | | - cache[cacheKey] = { |
| 2498 | | - nextPos: pos, |
| 2499 | | - result: result0 |
| 2500 | | - }; |
| 2501 | | - return result0; |
| 2502 | | - } |
| 2503 | | - |
| 2504 | | - function parse_classCharacterRange() { |
| 2505 | | - var cacheKey = 'classCharacterRange@' + pos; |
| 2506 | | - var cachedResult = cache[cacheKey]; |
| 2507 | | - if (cachedResult) { |
| 2508 | | - pos = cachedResult.nextPos; |
| 2509 | | - return cachedResult.result; |
| 2510 | | - } |
| 2511 | | - |
| 2512 | | - |
| 2513 | | - var savedPos0 = pos; |
| 2514 | | - var result2 = parse_classCharacter(); |
| 2515 | | - if (result2 !== null) { |
| 2516 | | - if (input.substr(pos, 1) === "-") { |
| 2517 | | - var result3 = "-"; |
| 2518 | | - pos += 1; |
| 2519 | | - } else { |
| 2520 | | - var result3 = null; |
| 2521 | | - if (reportMatchFailures) { |
| 2522 | | - matchFailed("\"-\""); |
| 2523 | | - } |
| 2524 | | - } |
| 2525 | | - if (result3 !== null) { |
| 2526 | | - var result4 = parse_classCharacter(); |
| 2527 | | - if (result4 !== null) { |
| 2528 | | - var result1 = [result2, result3, result4]; |
| 2529 | | - } else { |
| 2530 | | - var result1 = null; |
| 2531 | | - pos = savedPos0; |
| 2532 | | - } |
| 2533 | | - } else { |
| 2534 | | - var result1 = null; |
| 2535 | | - pos = savedPos0; |
| 2536 | | - } |
| 2537 | | - } else { |
| 2538 | | - var result1 = null; |
| 2539 | | - pos = savedPos0; |
| 2540 | | - } |
| 2541 | | - var result0 = result1 !== null |
| 2542 | | - ? (function(begin, end) { |
| 2543 | | - if (begin.data.charCodeAt(0) > end.data.charCodeAt(0)) { |
| 2544 | | - throw new this.SyntaxError( |
| 2545 | | - "Invalid character range: " + begin.rawText + "-" + end.rawText + "." |
| 2546 | | - ); |
| 2547 | | - } |
| 2548 | | - |
| 2549 | | - return { |
| 2550 | | - data: [begin.data, end.data], |
| 2551 | | - // FIXME: Get the raw text from the input directly. |
| 2552 | | - rawText: begin.rawText + "-" + end.rawText |
| 2553 | | - } |
| 2554 | | - })(result1[0], result1[2]) |
| 2555 | | - : null; |
| 2556 | | - |
| 2557 | | - |
| 2558 | | - |
| 2559 | | - cache[cacheKey] = { |
| 2560 | | - nextPos: pos, |
| 2561 | | - result: result0 |
| 2562 | | - }; |
| 2563 | | - return result0; |
| 2564 | | - } |
| 2565 | | - |
| 2566 | | - function parse_classCharacter() { |
| 2567 | | - var cacheKey = 'classCharacter@' + pos; |
| 2568 | | - var cachedResult = cache[cacheKey]; |
| 2569 | | - if (cachedResult) { |
| 2570 | | - pos = cachedResult.nextPos; |
| 2571 | | - return cachedResult.result; |
| 2572 | | - } |
| 2573 | | - |
| 2574 | | - |
| 2575 | | - var result1 = parse_bracketDelimitedCharacter(); |
| 2576 | | - var result0 = result1 !== null |
| 2577 | | - ? (function(char_) { |
| 2578 | | - return { |
| 2579 | | - data: char_, |
| 2580 | | - // FIXME: Get the raw text from the input directly. |
| 2581 | | - rawText: quoteForRegexpClass(char_) |
| 2582 | | - }; |
| 2583 | | - })(result1) |
| 2584 | | - : null; |
| 2585 | | - |
| 2586 | | - |
| 2587 | | - |
| 2588 | | - cache[cacheKey] = { |
| 2589 | | - nextPos: pos, |
| 2590 | | - result: result0 |
| 2591 | | - }; |
| 2592 | | - return result0; |
| 2593 | | - } |
| 2594 | | - |
| 2595 | | - function parse_bracketDelimitedCharacter() { |
| 2596 | | - var cacheKey = 'bracketDelimitedCharacter@' + pos; |
| 2597 | | - var cachedResult = cache[cacheKey]; |
| 2598 | | - if (cachedResult) { |
| 2599 | | - pos = cachedResult.nextPos; |
| 2600 | | - return cachedResult.result; |
| 2601 | | - } |
| 2602 | | - |
| 2603 | | - |
| 2604 | | - var result6 = parse_simpleBracketDelimitedCharacter(); |
| 2605 | | - if (result6 !== null) { |
| 2606 | | - var result0 = result6; |
| 2607 | | - } else { |
| 2608 | | - var result5 = parse_simpleEscapeSequence(); |
| 2609 | | - if (result5 !== null) { |
| 2610 | | - var result0 = result5; |
| 2611 | | - } else { |
| 2612 | | - var result4 = parse_zeroEscapeSequence(); |
| 2613 | | - if (result4 !== null) { |
| 2614 | | - var result0 = result4; |
| 2615 | | - } else { |
| 2616 | | - var result3 = parse_hexEscapeSequence(); |
| 2617 | | - if (result3 !== null) { |
| 2618 | | - var result0 = result3; |
| 2619 | | - } else { |
| 2620 | | - var result2 = parse_unicodeEscapeSequence(); |
| 2621 | | - if (result2 !== null) { |
| 2622 | | - var result0 = result2; |
| 2623 | | - } else { |
| 2624 | | - var result1 = parse_eolEscapeSequence(); |
| 2625 | | - if (result1 !== null) { |
| 2626 | | - var result0 = result1; |
| 2627 | | - } else { |
| 2628 | | - var result0 = null;; |
| 2629 | | - }; |
| 2630 | | - }; |
| 2631 | | - }; |
| 2632 | | - }; |
| 2633 | | - }; |
| 2634 | | - } |
| 2635 | | - |
| 2636 | | - |
| 2637 | | - |
| 2638 | | - cache[cacheKey] = { |
| 2639 | | - nextPos: pos, |
| 2640 | | - result: result0 |
| 2641 | | - }; |
| 2642 | | - return result0; |
| 2643 | | - } |
| 2644 | | - |
| 2645 | | - function parse_simpleBracketDelimitedCharacter() { |
| 2646 | | - var cacheKey = 'simpleBracketDelimitedCharacter@' + pos; |
| 2647 | | - var cachedResult = cache[cacheKey]; |
| 2648 | | - if (cachedResult) { |
| 2649 | | - pos = cachedResult.nextPos; |
| 2650 | | - return cachedResult.result; |
| 2651 | | - } |
| 2652 | | - |
| 2653 | | - |
| 2654 | | - var savedPos0 = pos; |
| 2655 | | - var savedPos1 = pos; |
| 2656 | | - var savedReportMatchFailuresVar0 = reportMatchFailures; |
| 2657 | | - reportMatchFailures = false; |
| 2658 | | - if (input.substr(pos, 1) === "]") { |
| 2659 | | - var result7 = "]"; |
| 2660 | | - pos += 1; |
| 2661 | | - } else { |
| 2662 | | - var result7 = null; |
| 2663 | | - if (reportMatchFailures) { |
| 2664 | | - matchFailed("\"]\""); |
| 2665 | | - } |
| 2666 | | - } |
| 2667 | | - if (result7 !== null) { |
| 2668 | | - var result4 = result7; |
| 2669 | | - } else { |
| 2670 | | - if (input.substr(pos, 1) === "\\") { |
| 2671 | | - var result6 = "\\"; |
| 2672 | | - pos += 1; |
| 2673 | | - } else { |
| 2674 | | - var result6 = null; |
| 2675 | | - if (reportMatchFailures) { |
| 2676 | | - matchFailed("\"\\\\\""); |
| 2677 | | - } |
| 2678 | | - } |
| 2679 | | - if (result6 !== null) { |
| 2680 | | - var result4 = result6; |
| 2681 | | - } else { |
| 2682 | | - var result5 = parse_eolChar(); |
| 2683 | | - if (result5 !== null) { |
| 2684 | | - var result4 = result5; |
| 2685 | | - } else { |
| 2686 | | - var result4 = null;; |
| 2687 | | - }; |
| 2688 | | - }; |
| 2689 | | - } |
| 2690 | | - reportMatchFailures = savedReportMatchFailuresVar0; |
| 2691 | | - if (result4 === null) { |
| 2692 | | - var result2 = ''; |
| 2693 | | - } else { |
| 2694 | | - var result2 = null; |
| 2695 | | - pos = savedPos1; |
| 2696 | | - } |
| 2697 | | - if (result2 !== null) { |
| 2698 | | - if (input.length > pos) { |
| 2699 | | - var result3 = input.charAt(pos); |
| 2700 | | - pos++; |
| 2701 | | - } else { |
| 2702 | | - var result3 = null; |
| 2703 | | - if (reportMatchFailures) { |
| 2704 | | - matchFailed('any character'); |
| 2705 | | - } |
| 2706 | | - } |
| 2707 | | - if (result3 !== null) { |
| 2708 | | - var result1 = [result2, result3]; |
| 2709 | | - } else { |
| 2710 | | - var result1 = null; |
| 2711 | | - pos = savedPos0; |
| 2712 | | - } |
| 2713 | | - } else { |
| 2714 | | - var result1 = null; |
| 2715 | | - pos = savedPos0; |
| 2716 | | - } |
| 2717 | | - var result0 = result1 !== null |
| 2718 | | - ? (function(char_) { return char_; })(result1[1]) |
| 2719 | | - : null; |
| 2720 | | - |
| 2721 | | - |
| 2722 | | - |
| 2723 | | - cache[cacheKey] = { |
| 2724 | | - nextPos: pos, |
| 2725 | | - result: result0 |
| 2726 | | - }; |
| 2727 | | - return result0; |
| 2728 | | - } |
| 2729 | | - |
| 2730 | | - function parse_simpleEscapeSequence() { |
| 2731 | | - var cacheKey = 'simpleEscapeSequence@' + pos; |
| 2732 | | - var cachedResult = cache[cacheKey]; |
| 2733 | | - if (cachedResult) { |
| 2734 | | - pos = cachedResult.nextPos; |
| 2735 | | - return cachedResult.result; |
| 2736 | | - } |
| 2737 | | - |
| 2738 | | - |
| 2739 | | - var savedPos0 = pos; |
| 2740 | | - if (input.substr(pos, 1) === "\\") { |
| 2741 | | - var result2 = "\\"; |
| 2742 | | - pos += 1; |
| 2743 | | - } else { |
| 2744 | | - var result2 = null; |
| 2745 | | - if (reportMatchFailures) { |
| 2746 | | - matchFailed("\"\\\\\""); |
| 2747 | | - } |
| 2748 | | - } |
| 2749 | | - if (result2 !== null) { |
| 2750 | | - var savedPos1 = pos; |
| 2751 | | - var savedReportMatchFailuresVar0 = reportMatchFailures; |
| 2752 | | - reportMatchFailures = false; |
| 2753 | | - var result9 = parse_digit(); |
| 2754 | | - if (result9 !== null) { |
| 2755 | | - var result5 = result9; |
| 2756 | | - } else { |
| 2757 | | - if (input.substr(pos, 1) === "x") { |
| 2758 | | - var result8 = "x"; |
| 2759 | | - pos += 1; |
| 2760 | | - } else { |
| 2761 | | - var result8 = null; |
| 2762 | | - if (reportMatchFailures) { |
| 2763 | | - matchFailed("\"x\""); |
| 2764 | | - } |
| 2765 | | - } |
| 2766 | | - if (result8 !== null) { |
| 2767 | | - var result5 = result8; |
| 2768 | | - } else { |
| 2769 | | - if (input.substr(pos, 1) === "u") { |
| 2770 | | - var result7 = "u"; |
| 2771 | | - pos += 1; |
| 2772 | | - } else { |
| 2773 | | - var result7 = null; |
| 2774 | | - if (reportMatchFailures) { |
| 2775 | | - matchFailed("\"u\""); |
| 2776 | | - } |
| 2777 | | - } |
| 2778 | | - if (result7 !== null) { |
| 2779 | | - var result5 = result7; |
| 2780 | | - } else { |
| 2781 | | - var result6 = parse_eolChar(); |
| 2782 | | - if (result6 !== null) { |
| 2783 | | - var result5 = result6; |
| 2784 | | - } else { |
| 2785 | | - var result5 = null;; |
| 2786 | | - }; |
| 2787 | | - }; |
| 2788 | | - }; |
| 2789 | | - } |
| 2790 | | - reportMatchFailures = savedReportMatchFailuresVar0; |
| 2791 | | - if (result5 === null) { |
| 2792 | | - var result3 = ''; |
| 2793 | | - } else { |
| 2794 | | - var result3 = null; |
| 2795 | | - pos = savedPos1; |
| 2796 | | - } |
| 2797 | | - if (result3 !== null) { |
| 2798 | | - if (input.length > pos) { |
| 2799 | | - var result4 = input.charAt(pos); |
| 2800 | | - pos++; |
| 2801 | | - } else { |
| 2802 | | - var result4 = null; |
| 2803 | | - if (reportMatchFailures) { |
| 2804 | | - matchFailed('any character'); |
| 2805 | | - } |
| 2806 | | - } |
| 2807 | | - if (result4 !== null) { |
| 2808 | | - var result1 = [result2, result3, result4]; |
| 2809 | | - } else { |
| 2810 | | - var result1 = null; |
| 2811 | | - pos = savedPos0; |
| 2812 | | - } |
| 2813 | | - } else { |
| 2814 | | - var result1 = null; |
| 2815 | | - pos = savedPos0; |
| 2816 | | - } |
| 2817 | | - } else { |
| 2818 | | - var result1 = null; |
| 2819 | | - pos = savedPos0; |
| 2820 | | - } |
| 2821 | | - var result0 = result1 !== null |
| 2822 | | - ? (function(char_) { |
| 2823 | | - return char_ |
| 2824 | | - .replace("b", "\b") |
| 2825 | | - .replace("f", "\f") |
| 2826 | | - .replace("n", "\n") |
| 2827 | | - .replace("r", "\r") |
| 2828 | | - .replace("t", "\t") |
| 2829 | | - .replace("v", "\x0B") // IE does not recognize "\v". |
| 2830 | | - })(result1[2]) |
| 2831 | | - : null; |
| 2832 | | - |
| 2833 | | - |
| 2834 | | - |
| 2835 | | - cache[cacheKey] = { |
| 2836 | | - nextPos: pos, |
| 2837 | | - result: result0 |
| 2838 | | - }; |
| 2839 | | - return result0; |
| 2840 | | - } |
| 2841 | | - |
| 2842 | | - function parse_zeroEscapeSequence() { |
| 2843 | | - var cacheKey = 'zeroEscapeSequence@' + pos; |
| 2844 | | - var cachedResult = cache[cacheKey]; |
| 2845 | | - if (cachedResult) { |
| 2846 | | - pos = cachedResult.nextPos; |
| 2847 | | - return cachedResult.result; |
| 2848 | | - } |
| 2849 | | - |
| 2850 | | - |
| 2851 | | - var savedPos0 = pos; |
| 2852 | | - if (input.substr(pos, 2) === "\\0") { |
| 2853 | | - var result2 = "\\0"; |
| 2854 | | - pos += 2; |
| 2855 | | - } else { |
| 2856 | | - var result2 = null; |
| 2857 | | - if (reportMatchFailures) { |
| 2858 | | - matchFailed("\"\\\\0\""); |
| 2859 | | - } |
| 2860 | | - } |
| 2861 | | - if (result2 !== null) { |
| 2862 | | - var savedPos1 = pos; |
| 2863 | | - var savedReportMatchFailuresVar0 = reportMatchFailures; |
| 2864 | | - reportMatchFailures = false; |
| 2865 | | - var result4 = parse_digit(); |
| 2866 | | - reportMatchFailures = savedReportMatchFailuresVar0; |
| 2867 | | - if (result4 === null) { |
| 2868 | | - var result3 = ''; |
| 2869 | | - } else { |
| 2870 | | - var result3 = null; |
| 2871 | | - pos = savedPos1; |
| 2872 | | - } |
| 2873 | | - if (result3 !== null) { |
| 2874 | | - var result1 = [result2, result3]; |
| 2875 | | - } else { |
| 2876 | | - var result1 = null; |
| 2877 | | - pos = savedPos0; |
| 2878 | | - } |
| 2879 | | - } else { |
| 2880 | | - var result1 = null; |
| 2881 | | - pos = savedPos0; |
| 2882 | | - } |
| 2883 | | - var result0 = result1 !== null |
| 2884 | | - ? (function() { return "\0"; })() |
| 2885 | | - : null; |
| 2886 | | - |
| 2887 | | - |
| 2888 | | - |
| 2889 | | - cache[cacheKey] = { |
| 2890 | | - nextPos: pos, |
| 2891 | | - result: result0 |
| 2892 | | - }; |
| 2893 | | - return result0; |
| 2894 | | - } |
| 2895 | | - |
| 2896 | | - function parse_hexEscapeSequence() { |
| 2897 | | - var cacheKey = 'hexEscapeSequence@' + pos; |
| 2898 | | - var cachedResult = cache[cacheKey]; |
| 2899 | | - if (cachedResult) { |
| 2900 | | - pos = cachedResult.nextPos; |
| 2901 | | - return cachedResult.result; |
| 2902 | | - } |
| 2903 | | - |
| 2904 | | - |
| 2905 | | - var savedPos0 = pos; |
| 2906 | | - if (input.substr(pos, 2) === "\\x") { |
| 2907 | | - var result2 = "\\x"; |
| 2908 | | - pos += 2; |
| 2909 | | - } else { |
| 2910 | | - var result2 = null; |
| 2911 | | - if (reportMatchFailures) { |
| 2912 | | - matchFailed("\"\\\\x\""); |
| 2913 | | - } |
| 2914 | | - } |
| 2915 | | - if (result2 !== null) { |
| 2916 | | - var result3 = parse_hexDigit(); |
| 2917 | | - if (result3 !== null) { |
| 2918 | | - var result4 = parse_hexDigit(); |
| 2919 | | - if (result4 !== null) { |
| 2920 | | - var result1 = [result2, result3, result4]; |
| 2921 | | - } else { |
| 2922 | | - var result1 = null; |
| 2923 | | - pos = savedPos0; |
| 2924 | | - } |
| 2925 | | - } else { |
| 2926 | | - var result1 = null; |
| 2927 | | - pos = savedPos0; |
| 2928 | | - } |
| 2929 | | - } else { |
| 2930 | | - var result1 = null; |
| 2931 | | - pos = savedPos0; |
| 2932 | | - } |
| 2933 | | - var result0 = result1 !== null |
| 2934 | | - ? (function(h1, h2) { |
| 2935 | | - return String.fromCharCode(parseInt("0x" + h1 + h2)); |
| 2936 | | - })(result1[1], result1[2]) |
| 2937 | | - : null; |
| 2938 | | - |
| 2939 | | - |
| 2940 | | - |
| 2941 | | - cache[cacheKey] = { |
| 2942 | | - nextPos: pos, |
| 2943 | | - result: result0 |
| 2944 | | - }; |
| 2945 | | - return result0; |
| 2946 | | - } |
| 2947 | | - |
| 2948 | | - function parse_unicodeEscapeSequence() { |
| 2949 | | - var cacheKey = 'unicodeEscapeSequence@' + pos; |
| 2950 | | - var cachedResult = cache[cacheKey]; |
| 2951 | | - if (cachedResult) { |
| 2952 | | - pos = cachedResult.nextPos; |
| 2953 | | - return cachedResult.result; |
| 2954 | | - } |
| 2955 | | - |
| 2956 | | - |
| 2957 | | - var savedPos0 = pos; |
| 2958 | | - if (input.substr(pos, 2) === "\\u") { |
| 2959 | | - var result2 = "\\u"; |
| 2960 | | - pos += 2; |
| 2961 | | - } else { |
| 2962 | | - var result2 = null; |
| 2963 | | - if (reportMatchFailures) { |
| 2964 | | - matchFailed("\"\\\\u\""); |
| 2965 | | - } |
| 2966 | | - } |
| 2967 | | - if (result2 !== null) { |
| 2968 | | - var result3 = parse_hexDigit(); |
| 2969 | | - if (result3 !== null) { |
| 2970 | | - var result4 = parse_hexDigit(); |
| 2971 | | - if (result4 !== null) { |
| 2972 | | - var result5 = parse_hexDigit(); |
| 2973 | | - if (result5 !== null) { |
| 2974 | | - var result6 = parse_hexDigit(); |
| 2975 | | - if (result6 !== null) { |
| 2976 | | - var result1 = [result2, result3, result4, result5, result6]; |
| 2977 | | - } else { |
| 2978 | | - var result1 = null; |
| 2979 | | - pos = savedPos0; |
| 2980 | | - } |
| 2981 | | - } else { |
| 2982 | | - var result1 = null; |
| 2983 | | - pos = savedPos0; |
| 2984 | | - } |
| 2985 | | - } else { |
| 2986 | | - var result1 = null; |
| 2987 | | - pos = savedPos0; |
| 2988 | | - } |
| 2989 | | - } else { |
| 2990 | | - var result1 = null; |
| 2991 | | - pos = savedPos0; |
| 2992 | | - } |
| 2993 | | - } else { |
| 2994 | | - var result1 = null; |
| 2995 | | - pos = savedPos0; |
| 2996 | | - } |
| 2997 | | - var result0 = result1 !== null |
| 2998 | | - ? (function(h1, h2, h3, h4) { |
| 2999 | | - return String.fromCharCode(parseInt("0x" + h1 + h2 + h3 + h4)); |
| 3000 | | - })(result1[1], result1[2], result1[3], result1[4]) |
| 3001 | | - : null; |
| 3002 | | - |
| 3003 | | - |
| 3004 | | - |
| 3005 | | - cache[cacheKey] = { |
| 3006 | | - nextPos: pos, |
| 3007 | | - result: result0 |
| 3008 | | - }; |
| 3009 | | - return result0; |
| 3010 | | - } |
| 3011 | | - |
| 3012 | | - function parse_eolEscapeSequence() { |
| 3013 | | - var cacheKey = 'eolEscapeSequence@' + pos; |
| 3014 | | - var cachedResult = cache[cacheKey]; |
| 3015 | | - if (cachedResult) { |
| 3016 | | - pos = cachedResult.nextPos; |
| 3017 | | - return cachedResult.result; |
| 3018 | | - } |
| 3019 | | - |
| 3020 | | - |
| 3021 | | - var savedPos0 = pos; |
| 3022 | | - if (input.substr(pos, 1) === "\\") { |
| 3023 | | - var result2 = "\\"; |
| 3024 | | - pos += 1; |
| 3025 | | - } else { |
| 3026 | | - var result2 = null; |
| 3027 | | - if (reportMatchFailures) { |
| 3028 | | - matchFailed("\"\\\\\""); |
| 3029 | | - } |
| 3030 | | - } |
| 3031 | | - if (result2 !== null) { |
| 3032 | | - var result3 = parse_eol(); |
| 3033 | | - if (result3 !== null) { |
| 3034 | | - var result1 = [result2, result3]; |
| 3035 | | - } else { |
| 3036 | | - var result1 = null; |
| 3037 | | - pos = savedPos0; |
| 3038 | | - } |
| 3039 | | - } else { |
| 3040 | | - var result1 = null; |
| 3041 | | - pos = savedPos0; |
| 3042 | | - } |
| 3043 | | - var result0 = result1 !== null |
| 3044 | | - ? (function(eol) { return eol; })(result1[1]) |
| 3045 | | - : null; |
| 3046 | | - |
| 3047 | | - |
| 3048 | | - |
| 3049 | | - cache[cacheKey] = { |
| 3050 | | - nextPos: pos, |
| 3051 | | - result: result0 |
| 3052 | | - }; |
| 3053 | | - return result0; |
| 3054 | | - } |
| 3055 | | - |
| 3056 | | - function parse_digit() { |
| 3057 | | - var cacheKey = 'digit@' + pos; |
| 3058 | | - var cachedResult = cache[cacheKey]; |
| 3059 | | - if (cachedResult) { |
| 3060 | | - pos = cachedResult.nextPos; |
| 3061 | | - return cachedResult.result; |
| 3062 | | - } |
| 3063 | | - |
| 3064 | | - |
| 3065 | | - if (input.substr(pos).match(/^[0-9]/) !== null) { |
| 3066 | | - var result0 = input.charAt(pos); |
| 3067 | | - pos++; |
| 3068 | | - } else { |
| 3069 | | - var result0 = null; |
| 3070 | | - if (reportMatchFailures) { |
| 3071 | | - matchFailed("[0-9]"); |
| 3072 | | - } |
| 3073 | | - } |
| 3074 | | - |
| 3075 | | - |
| 3076 | | - |
| 3077 | | - cache[cacheKey] = { |
| 3078 | | - nextPos: pos, |
| 3079 | | - result: result0 |
| 3080 | | - }; |
| 3081 | | - return result0; |
| 3082 | | - } |
| 3083 | | - |
| 3084 | | - function parse_hexDigit() { |
| 3085 | | - var cacheKey = 'hexDigit@' + pos; |
| 3086 | | - var cachedResult = cache[cacheKey]; |
| 3087 | | - if (cachedResult) { |
| 3088 | | - pos = cachedResult.nextPos; |
| 3089 | | - return cachedResult.result; |
| 3090 | | - } |
| 3091 | | - |
| 3092 | | - |
| 3093 | | - if (input.substr(pos).match(/^[0-9a-fA-F]/) !== null) { |
| 3094 | | - var result0 = input.charAt(pos); |
| 3095 | | - pos++; |
| 3096 | | - } else { |
| 3097 | | - var result0 = null; |
| 3098 | | - if (reportMatchFailures) { |
| 3099 | | - matchFailed("[0-9a-fA-F]"); |
| 3100 | | - } |
| 3101 | | - } |
| 3102 | | - |
| 3103 | | - |
| 3104 | | - |
| 3105 | | - cache[cacheKey] = { |
| 3106 | | - nextPos: pos, |
| 3107 | | - result: result0 |
| 3108 | | - }; |
| 3109 | | - return result0; |
| 3110 | | - } |
| 3111 | | - |
| 3112 | | - function parse_letter() { |
| 3113 | | - var cacheKey = 'letter@' + pos; |
| 3114 | | - var cachedResult = cache[cacheKey]; |
| 3115 | | - if (cachedResult) { |
| 3116 | | - pos = cachedResult.nextPos; |
| 3117 | | - return cachedResult.result; |
| 3118 | | - } |
| 3119 | | - |
| 3120 | | - |
| 3121 | | - var result2 = parse_lowerCaseLetter(); |
| 3122 | | - if (result2 !== null) { |
| 3123 | | - var result0 = result2; |
| 3124 | | - } else { |
| 3125 | | - var result1 = parse_upperCaseLetter(); |
| 3126 | | - if (result1 !== null) { |
| 3127 | | - var result0 = result1; |
| 3128 | | - } else { |
| 3129 | | - var result0 = null;; |
| 3130 | | - }; |
| 3131 | | - } |
| 3132 | | - |
| 3133 | | - |
| 3134 | | - |
| 3135 | | - cache[cacheKey] = { |
| 3136 | | - nextPos: pos, |
| 3137 | | - result: result0 |
| 3138 | | - }; |
| 3139 | | - return result0; |
| 3140 | | - } |
| 3141 | | - |
| 3142 | | - function parse_lowerCaseLetter() { |
| 3143 | | - var cacheKey = 'lowerCaseLetter@' + pos; |
| 3144 | | - var cachedResult = cache[cacheKey]; |
| 3145 | | - if (cachedResult) { |
| 3146 | | - pos = cachedResult.nextPos; |
| 3147 | | - return cachedResult.result; |
| 3148 | | - } |
| 3149 | | - |
| 3150 | | - |
| 3151 | | - if (input.substr(pos).match(/^[a-z]/) !== null) { |
| 3152 | | - var result0 = input.charAt(pos); |
| 3153 | | - pos++; |
| 3154 | | - } else { |
| 3155 | | - var result0 = null; |
| 3156 | | - if (reportMatchFailures) { |
| 3157 | | - matchFailed("[a-z]"); |
| 3158 | | - } |
| 3159 | | - } |
| 3160 | | - |
| 3161 | | - |
| 3162 | | - |
| 3163 | | - cache[cacheKey] = { |
| 3164 | | - nextPos: pos, |
| 3165 | | - result: result0 |
| 3166 | | - }; |
| 3167 | | - return result0; |
| 3168 | | - } |
| 3169 | | - |
| 3170 | | - function parse_upperCaseLetter() { |
| 3171 | | - var cacheKey = 'upperCaseLetter@' + pos; |
| 3172 | | - var cachedResult = cache[cacheKey]; |
| 3173 | | - if (cachedResult) { |
| 3174 | | - pos = cachedResult.nextPos; |
| 3175 | | - return cachedResult.result; |
| 3176 | | - } |
| 3177 | | - |
| 3178 | | - |
| 3179 | | - if (input.substr(pos).match(/^[A-Z]/) !== null) { |
| 3180 | | - var result0 = input.charAt(pos); |
| 3181 | | - pos++; |
| 3182 | | - } else { |
| 3183 | | - var result0 = null; |
| 3184 | | - if (reportMatchFailures) { |
| 3185 | | - matchFailed("[A-Z]"); |
| 3186 | | - } |
| 3187 | | - } |
| 3188 | | - |
| 3189 | | - |
| 3190 | | - |
| 3191 | | - cache[cacheKey] = { |
| 3192 | | - nextPos: pos, |
| 3193 | | - result: result0 |
| 3194 | | - }; |
| 3195 | | - return result0; |
| 3196 | | - } |
| 3197 | | - |
| 3198 | | - function parse___() { |
| 3199 | | - var cacheKey = '__@' + pos; |
| 3200 | | - var cachedResult = cache[cacheKey]; |
| 3201 | | - if (cachedResult) { |
| 3202 | | - pos = cachedResult.nextPos; |
| 3203 | | - return cachedResult.result; |
| 3204 | | - } |
| 3205 | | - |
| 3206 | | - |
| 3207 | | - var result0 = []; |
| 3208 | | - var result4 = parse_whitespace(); |
| 3209 | | - if (result4 !== null) { |
| 3210 | | - var result1 = result4; |
| 3211 | | - } else { |
| 3212 | | - var result3 = parse_eol(); |
| 3213 | | - if (result3 !== null) { |
| 3214 | | - var result1 = result3; |
| 3215 | | - } else { |
| 3216 | | - var result2 = parse_comment(); |
| 3217 | | - if (result2 !== null) { |
| 3218 | | - var result1 = result2; |
| 3219 | | - } else { |
| 3220 | | - var result1 = null;; |
| 3221 | | - }; |
| 3222 | | - }; |
| 3223 | | - } |
| 3224 | | - while (result1 !== null) { |
| 3225 | | - result0.push(result1); |
| 3226 | | - var result4 = parse_whitespace(); |
| 3227 | | - if (result4 !== null) { |
| 3228 | | - var result1 = result4; |
| 3229 | | - } else { |
| 3230 | | - var result3 = parse_eol(); |
| 3231 | | - if (result3 !== null) { |
| 3232 | | - var result1 = result3; |
| 3233 | | - } else { |
| 3234 | | - var result2 = parse_comment(); |
| 3235 | | - if (result2 !== null) { |
| 3236 | | - var result1 = result2; |
| 3237 | | - } else { |
| 3238 | | - var result1 = null;; |
| 3239 | | - }; |
| 3240 | | - }; |
| 3241 | | - } |
| 3242 | | - } |
| 3243 | | - |
| 3244 | | - |
| 3245 | | - |
| 3246 | | - cache[cacheKey] = { |
| 3247 | | - nextPos: pos, |
| 3248 | | - result: result0 |
| 3249 | | - }; |
| 3250 | | - return result0; |
| 3251 | | - } |
| 3252 | | - |
| 3253 | | - function parse_comment() { |
| 3254 | | - var cacheKey = 'comment@' + pos; |
| 3255 | | - var cachedResult = cache[cacheKey]; |
| 3256 | | - if (cachedResult) { |
| 3257 | | - pos = cachedResult.nextPos; |
| 3258 | | - return cachedResult.result; |
| 3259 | | - } |
| 3260 | | - |
| 3261 | | - var savedReportMatchFailures = reportMatchFailures; |
| 3262 | | - reportMatchFailures = false; |
| 3263 | | - var result2 = parse_singleLineComment(); |
| 3264 | | - if (result2 !== null) { |
| 3265 | | - var result0 = result2; |
| 3266 | | - } else { |
| 3267 | | - var result1 = parse_multiLineComment(); |
| 3268 | | - if (result1 !== null) { |
| 3269 | | - var result0 = result1; |
| 3270 | | - } else { |
| 3271 | | - var result0 = null;; |
| 3272 | | - }; |
| 3273 | | - } |
| 3274 | | - reportMatchFailures = savedReportMatchFailures; |
| 3275 | | - if (reportMatchFailures && result0 === null) { |
| 3276 | | - matchFailed("comment"); |
| 3277 | | - } |
| 3278 | | - |
| 3279 | | - cache[cacheKey] = { |
| 3280 | | - nextPos: pos, |
| 3281 | | - result: result0 |
| 3282 | | - }; |
| 3283 | | - return result0; |
| 3284 | | - } |
| 3285 | | - |
| 3286 | | - function parse_singleLineComment() { |
| 3287 | | - var cacheKey = 'singleLineComment@' + pos; |
| 3288 | | - var cachedResult = cache[cacheKey]; |
| 3289 | | - if (cachedResult) { |
| 3290 | | - pos = cachedResult.nextPos; |
| 3291 | | - return cachedResult.result; |
| 3292 | | - } |
| 3293 | | - |
| 3294 | | - |
| 3295 | | - var savedPos0 = pos; |
| 3296 | | - if (input.substr(pos, 2) === "//") { |
| 3297 | | - var result1 = "//"; |
| 3298 | | - pos += 2; |
| 3299 | | - } else { |
| 3300 | | - var result1 = null; |
| 3301 | | - if (reportMatchFailures) { |
| 3302 | | - matchFailed("\"//\""); |
| 3303 | | - } |
| 3304 | | - } |
| 3305 | | - if (result1 !== null) { |
| 3306 | | - var result2 = []; |
| 3307 | | - var savedPos1 = pos; |
| 3308 | | - var savedPos2 = pos; |
| 3309 | | - var savedReportMatchFailuresVar0 = reportMatchFailures; |
| 3310 | | - reportMatchFailures = false; |
| 3311 | | - var result6 = parse_eolChar(); |
| 3312 | | - reportMatchFailures = savedReportMatchFailuresVar0; |
| 3313 | | - if (result6 === null) { |
| 3314 | | - var result4 = ''; |
| 3315 | | - } else { |
| 3316 | | - var result4 = null; |
| 3317 | | - pos = savedPos2; |
| 3318 | | - } |
| 3319 | | - if (result4 !== null) { |
| 3320 | | - if (input.length > pos) { |
| 3321 | | - var result5 = input.charAt(pos); |
| 3322 | | - pos++; |
| 3323 | | - } else { |
| 3324 | | - var result5 = null; |
| 3325 | | - if (reportMatchFailures) { |
| 3326 | | - matchFailed('any character'); |
| 3327 | | - } |
| 3328 | | - } |
| 3329 | | - if (result5 !== null) { |
| 3330 | | - var result3 = [result4, result5]; |
| 3331 | | - } else { |
| 3332 | | - var result3 = null; |
| 3333 | | - pos = savedPos1; |
| 3334 | | - } |
| 3335 | | - } else { |
| 3336 | | - var result3 = null; |
| 3337 | | - pos = savedPos1; |
| 3338 | | - } |
| 3339 | | - while (result3 !== null) { |
| 3340 | | - result2.push(result3); |
| 3341 | | - var savedPos1 = pos; |
| 3342 | | - var savedPos2 = pos; |
| 3343 | | - var savedReportMatchFailuresVar0 = reportMatchFailures; |
| 3344 | | - reportMatchFailures = false; |
| 3345 | | - var result6 = parse_eolChar(); |
| 3346 | | - reportMatchFailures = savedReportMatchFailuresVar0; |
| 3347 | | - if (result6 === null) { |
| 3348 | | - var result4 = ''; |
| 3349 | | - } else { |
| 3350 | | - var result4 = null; |
| 3351 | | - pos = savedPos2; |
| 3352 | | - } |
| 3353 | | - if (result4 !== null) { |
| 3354 | | - if (input.length > pos) { |
| 3355 | | - var result5 = input.charAt(pos); |
| 3356 | | - pos++; |
| 3357 | | - } else { |
| 3358 | | - var result5 = null; |
| 3359 | | - if (reportMatchFailures) { |
| 3360 | | - matchFailed('any character'); |
| 3361 | | - } |
| 3362 | | - } |
| 3363 | | - if (result5 !== null) { |
| 3364 | | - var result3 = [result4, result5]; |
| 3365 | | - } else { |
| 3366 | | - var result3 = null; |
| 3367 | | - pos = savedPos1; |
| 3368 | | - } |
| 3369 | | - } else { |
| 3370 | | - var result3 = null; |
| 3371 | | - pos = savedPos1; |
| 3372 | | - } |
| 3373 | | - } |
| 3374 | | - if (result2 !== null) { |
| 3375 | | - var result0 = [result1, result2]; |
| 3376 | | - } else { |
| 3377 | | - var result0 = null; |
| 3378 | | - pos = savedPos0; |
| 3379 | | - } |
| 3380 | | - } else { |
| 3381 | | - var result0 = null; |
| 3382 | | - pos = savedPos0; |
| 3383 | | - } |
| 3384 | | - |
| 3385 | | - |
| 3386 | | - |
| 3387 | | - cache[cacheKey] = { |
| 3388 | | - nextPos: pos, |
| 3389 | | - result: result0 |
| 3390 | | - }; |
| 3391 | | - return result0; |
| 3392 | | - } |
| 3393 | | - |
| 3394 | | - function parse_multiLineComment() { |
| 3395 | | - var cacheKey = 'multiLineComment@' + pos; |
| 3396 | | - var cachedResult = cache[cacheKey]; |
| 3397 | | - if (cachedResult) { |
| 3398 | | - pos = cachedResult.nextPos; |
| 3399 | | - return cachedResult.result; |
| 3400 | | - } |
| 3401 | | - |
| 3402 | | - |
| 3403 | | - var savedPos0 = pos; |
| 3404 | | - if (input.substr(pos, 2) === "/*") { |
| 3405 | | - var result1 = "/*"; |
| 3406 | | - pos += 2; |
| 3407 | | - } else { |
| 3408 | | - var result1 = null; |
| 3409 | | - if (reportMatchFailures) { |
| 3410 | | - matchFailed("\"/*\""); |
| 3411 | | - } |
| 3412 | | - } |
| 3413 | | - if (result1 !== null) { |
| 3414 | | - var result2 = []; |
| 3415 | | - var savedPos1 = pos; |
| 3416 | | - var savedPos2 = pos; |
| 3417 | | - var savedReportMatchFailuresVar0 = reportMatchFailures; |
| 3418 | | - reportMatchFailures = false; |
| 3419 | | - if (input.substr(pos, 2) === "*/") { |
| 3420 | | - var result7 = "*/"; |
| 3421 | | - pos += 2; |
| 3422 | | - } else { |
| 3423 | | - var result7 = null; |
| 3424 | | - if (reportMatchFailures) { |
| 3425 | | - matchFailed("\"*/\""); |
| 3426 | | - } |
| 3427 | | - } |
| 3428 | | - reportMatchFailures = savedReportMatchFailuresVar0; |
| 3429 | | - if (result7 === null) { |
| 3430 | | - var result5 = ''; |
| 3431 | | - } else { |
| 3432 | | - var result5 = null; |
| 3433 | | - pos = savedPos2; |
| 3434 | | - } |
| 3435 | | - if (result5 !== null) { |
| 3436 | | - if (input.length > pos) { |
| 3437 | | - var result6 = input.charAt(pos); |
| 3438 | | - pos++; |
| 3439 | | - } else { |
| 3440 | | - var result6 = null; |
| 3441 | | - if (reportMatchFailures) { |
| 3442 | | - matchFailed('any character'); |
| 3443 | | - } |
| 3444 | | - } |
| 3445 | | - if (result6 !== null) { |
| 3446 | | - var result4 = [result5, result6]; |
| 3447 | | - } else { |
| 3448 | | - var result4 = null; |
| 3449 | | - pos = savedPos1; |
| 3450 | | - } |
| 3451 | | - } else { |
| 3452 | | - var result4 = null; |
| 3453 | | - pos = savedPos1; |
| 3454 | | - } |
| 3455 | | - while (result4 !== null) { |
| 3456 | | - result2.push(result4); |
| 3457 | | - var savedPos1 = pos; |
| 3458 | | - var savedPos2 = pos; |
| 3459 | | - var savedReportMatchFailuresVar0 = reportMatchFailures; |
| 3460 | | - reportMatchFailures = false; |
| 3461 | | - if (input.substr(pos, 2) === "*/") { |
| 3462 | | - var result7 = "*/"; |
| 3463 | | - pos += 2; |
| 3464 | | - } else { |
| 3465 | | - var result7 = null; |
| 3466 | | - if (reportMatchFailures) { |
| 3467 | | - matchFailed("\"*/\""); |
| 3468 | | - } |
| 3469 | | - } |
| 3470 | | - reportMatchFailures = savedReportMatchFailuresVar0; |
| 3471 | | - if (result7 === null) { |
| 3472 | | - var result5 = ''; |
| 3473 | | - } else { |
| 3474 | | - var result5 = null; |
| 3475 | | - pos = savedPos2; |
| 3476 | | - } |
| 3477 | | - if (result5 !== null) { |
| 3478 | | - if (input.length > pos) { |
| 3479 | | - var result6 = input.charAt(pos); |
| 3480 | | - pos++; |
| 3481 | | - } else { |
| 3482 | | - var result6 = null; |
| 3483 | | - if (reportMatchFailures) { |
| 3484 | | - matchFailed('any character'); |
| 3485 | | - } |
| 3486 | | - } |
| 3487 | | - if (result6 !== null) { |
| 3488 | | - var result4 = [result5, result6]; |
| 3489 | | - } else { |
| 3490 | | - var result4 = null; |
| 3491 | | - pos = savedPos1; |
| 3492 | | - } |
| 3493 | | - } else { |
| 3494 | | - var result4 = null; |
| 3495 | | - pos = savedPos1; |
| 3496 | | - } |
| 3497 | | - } |
| 3498 | | - if (result2 !== null) { |
| 3499 | | - if (input.substr(pos, 2) === "*/") { |
| 3500 | | - var result3 = "*/"; |
| 3501 | | - pos += 2; |
| 3502 | | - } else { |
| 3503 | | - var result3 = null; |
| 3504 | | - if (reportMatchFailures) { |
| 3505 | | - matchFailed("\"*/\""); |
| 3506 | | - } |
| 3507 | | - } |
| 3508 | | - if (result3 !== null) { |
| 3509 | | - var result0 = [result1, result2, result3]; |
| 3510 | | - } else { |
| 3511 | | - var result0 = null; |
| 3512 | | - pos = savedPos0; |
| 3513 | | - } |
| 3514 | | - } else { |
| 3515 | | - var result0 = null; |
| 3516 | | - pos = savedPos0; |
| 3517 | | - } |
| 3518 | | - } else { |
| 3519 | | - var result0 = null; |
| 3520 | | - pos = savedPos0; |
| 3521 | | - } |
| 3522 | | - |
| 3523 | | - |
| 3524 | | - |
| 3525 | | - cache[cacheKey] = { |
| 3526 | | - nextPos: pos, |
| 3527 | | - result: result0 |
| 3528 | | - }; |
| 3529 | | - return result0; |
| 3530 | | - } |
| 3531 | | - |
| 3532 | | - function parse_eol() { |
| 3533 | | - var cacheKey = 'eol@' + pos; |
| 3534 | | - var cachedResult = cache[cacheKey]; |
| 3535 | | - if (cachedResult) { |
| 3536 | | - pos = cachedResult.nextPos; |
| 3537 | | - return cachedResult.result; |
| 3538 | | - } |
| 3539 | | - |
| 3540 | | - var savedReportMatchFailures = reportMatchFailures; |
| 3541 | | - reportMatchFailures = false; |
| 3542 | | - if (input.substr(pos, 1) === "\n") { |
| 3543 | | - var result5 = "\n"; |
| 3544 | | - pos += 1; |
| 3545 | | - } else { |
| 3546 | | - var result5 = null; |
| 3547 | | - if (reportMatchFailures) { |
| 3548 | | - matchFailed("\"\\n\""); |
| 3549 | | - } |
| 3550 | | - } |
| 3551 | | - if (result5 !== null) { |
| 3552 | | - var result0 = result5; |
| 3553 | | - } else { |
| 3554 | | - if (input.substr(pos, 2) === "\r\n") { |
| 3555 | | - var result4 = "\r\n"; |
| 3556 | | - pos += 2; |
| 3557 | | - } else { |
| 3558 | | - var result4 = null; |
| 3559 | | - if (reportMatchFailures) { |
| 3560 | | - matchFailed("\"\\r\\n\""); |
| 3561 | | - } |
| 3562 | | - } |
| 3563 | | - if (result4 !== null) { |
| 3564 | | - var result0 = result4; |
| 3565 | | - } else { |
| 3566 | | - if (input.substr(pos, 1) === "\r") { |
| 3567 | | - var result3 = "\r"; |
| 3568 | | - pos += 1; |
| 3569 | | - } else { |
| 3570 | | - var result3 = null; |
| 3571 | | - if (reportMatchFailures) { |
| 3572 | | - matchFailed("\"\\r\""); |
| 3573 | | - } |
| 3574 | | - } |
| 3575 | | - if (result3 !== null) { |
| 3576 | | - var result0 = result3; |
| 3577 | | - } else { |
| 3578 | | - if (input.substr(pos, 1) === "\u2028") { |
| 3579 | | - var result2 = "\u2028"; |
| 3580 | | - pos += 1; |
| 3581 | | - } else { |
| 3582 | | - var result2 = null; |
| 3583 | | - if (reportMatchFailures) { |
| 3584 | | - matchFailed("\"\\u2028\""); |
| 3585 | | - } |
| 3586 | | - } |
| 3587 | | - if (result2 !== null) { |
| 3588 | | - var result0 = result2; |
| 3589 | | - } else { |
| 3590 | | - if (input.substr(pos, 1) === "\u2029") { |
| 3591 | | - var result1 = "\u2029"; |
| 3592 | | - pos += 1; |
| 3593 | | - } else { |
| 3594 | | - var result1 = null; |
| 3595 | | - if (reportMatchFailures) { |
| 3596 | | - matchFailed("\"\\u2029\""); |
| 3597 | | - } |
| 3598 | | - } |
| 3599 | | - if (result1 !== null) { |
| 3600 | | - var result0 = result1; |
| 3601 | | - } else { |
| 3602 | | - var result0 = null;; |
| 3603 | | - }; |
| 3604 | | - }; |
| 3605 | | - }; |
| 3606 | | - }; |
| 3607 | | - } |
| 3608 | | - reportMatchFailures = savedReportMatchFailures; |
| 3609 | | - if (reportMatchFailures && result0 === null) { |
| 3610 | | - matchFailed("end of line"); |
| 3611 | | - } |
| 3612 | | - |
| 3613 | | - cache[cacheKey] = { |
| 3614 | | - nextPos: pos, |
| 3615 | | - result: result0 |
| 3616 | | - }; |
| 3617 | | - return result0; |
| 3618 | | - } |
| 3619 | | - |
| 3620 | | - function parse_eolChar() { |
| 3621 | | - var cacheKey = 'eolChar@' + pos; |
| 3622 | | - var cachedResult = cache[cacheKey]; |
| 3623 | | - if (cachedResult) { |
| 3624 | | - pos = cachedResult.nextPos; |
| 3625 | | - return cachedResult.result; |
| 3626 | | - } |
| 3627 | | - |
| 3628 | | - |
| 3629 | | - if (input.substr(pos).match(/^[\n\r\u2028\u2029]/) !== null) { |
| 3630 | | - var result0 = input.charAt(pos); |
| 3631 | | - pos++; |
| 3632 | | - } else { |
| 3633 | | - var result0 = null; |
| 3634 | | - if (reportMatchFailures) { |
| 3635 | | - matchFailed("[\\n\\r\\u2028\\u2029]"); |
| 3636 | | - } |
| 3637 | | - } |
| 3638 | | - |
| 3639 | | - |
| 3640 | | - |
| 3641 | | - cache[cacheKey] = { |
| 3642 | | - nextPos: pos, |
| 3643 | | - result: result0 |
| 3644 | | - }; |
| 3645 | | - return result0; |
| 3646 | | - } |
| 3647 | | - |
| 3648 | | - function parse_whitespace() { |
| 3649 | | - var cacheKey = 'whitespace@' + pos; |
| 3650 | | - var cachedResult = cache[cacheKey]; |
| 3651 | | - if (cachedResult) { |
| 3652 | | - pos = cachedResult.nextPos; |
| 3653 | | - return cachedResult.result; |
| 3654 | | - } |
| 3655 | | - |
| 3656 | | - var savedReportMatchFailures = reportMatchFailures; |
| 3657 | | - reportMatchFailures = false; |
| 3658 | | - if (input.substr(pos).match(/^[ ��\xA0\uFEFF\u1680\u180E\u2000-\u200A\u202F\u205F\u3000]/) !== null) { |
| 3659 | | - var result0 = input.charAt(pos); |
| 3660 | | - pos++; |
| 3661 | | - } else { |
| 3662 | | - var result0 = null; |
| 3663 | | - if (reportMatchFailures) { |
| 3664 | | - matchFailed("[ ��\\xA0\\uFEFF\\u1680\\u180E\\u2000-\\u200A\\u202F\\u205F\\u3000]"); |
| 3665 | | - } |
| 3666 | | - } |
| 3667 | | - reportMatchFailures = savedReportMatchFailures; |
| 3668 | | - if (reportMatchFailures && result0 === null) { |
| 3669 | | - matchFailed("whitespace"); |
| 3670 | | - } |
| 3671 | | - |
| 3672 | | - cache[cacheKey] = { |
| 3673 | | - nextPos: pos, |
| 3674 | | - result: result0 |
| 3675 | | - }; |
| 3676 | | - return result0; |
| 3677 | | - } |
| 3678 | | - |
| 3679 | | - function buildErrorMessage() { |
| 3680 | | - function buildExpected(failuresExpected) { |
| 3681 | | - failuresExpected.sort(); |
| 3682 | | - |
| 3683 | | - var lastFailure = null; |
| 3684 | | - var failuresExpectedUnique = []; |
| 3685 | | - for (var i = 0; i < failuresExpected.length; i++) { |
| 3686 | | - if (failuresExpected[i] !== lastFailure) { |
| 3687 | | - failuresExpectedUnique.push(failuresExpected[i]); |
| 3688 | | - lastFailure = failuresExpected[i]; |
| 3689 | | - } |
| 3690 | | - } |
| 3691 | | - |
| 3692 | | - switch (failuresExpectedUnique.length) { |
| 3693 | | - case 0: |
| 3694 | | - return 'end of input'; |
| 3695 | | - case 1: |
| 3696 | | - return failuresExpectedUnique[0]; |
| 3697 | | - default: |
| 3698 | | - return failuresExpectedUnique.slice(0, failuresExpectedUnique.length - 1).join(', ') |
| 3699 | | - + ' or ' |
| 3700 | | - + failuresExpectedUnique[failuresExpectedUnique.length - 1]; |
| 3701 | | - } |
| 3702 | | - } |
| 3703 | | - |
| 3704 | | - var expected = buildExpected(rightmostMatchFailuresExpected); |
| 3705 | | - var actualPos = Math.max(pos, rightmostMatchFailuresPos); |
| 3706 | | - var actual = actualPos < input.length |
| 3707 | | - ? quote(input.charAt(actualPos)) |
| 3708 | | - : 'end of input'; |
| 3709 | | - |
| 3710 | | - return 'Expected ' + expected + ' but ' + actual + ' found.'; |
| 3711 | | - } |
| 3712 | | - |
| 3713 | | - function computeErrorPosition() { |
| 3714 | | - /* |
| 3715 | | - * The first idea was to use |String.split| to break the input up to the |
| 3716 | | - * error position along newlines and derive the line and column from |
| 3717 | | - * there. However IE's |split| implementation is so broken that it was |
| 3718 | | - * enough to prevent it. |
| 3719 | | - */ |
| 3720 | | - |
| 3721 | | - var line = 1; |
| 3722 | | - var column = 1; |
| 3723 | | - var seenCR = false; |
| 3724 | | - |
| 3725 | | - for (var i = 0; i < rightmostMatchFailuresPos; i++) { |
| 3726 | | - var ch = input.charAt(i); |
| 3727 | | - if (ch === '\n') { |
| 3728 | | - if (!seenCR) { line++; } |
| 3729 | | - column = 1; |
| 3730 | | - seenCR = false; |
| 3731 | | - } else if (ch === '\r' | ch === '\u2028' || ch === '\u2029') { |
| 3732 | | - line++; |
| 3733 | | - column = 1; |
| 3734 | | - seenCR = true; |
| 3735 | | - } else { |
| 3736 | | - column++; |
| 3737 | | - seenCR = false; |
| 3738 | | - } |
| 3739 | | - } |
| 3740 | | - |
| 3741 | | - return { line: line, column: column }; |
| 3742 | | - } |
| 3743 | | - |
| 3744 | | - |
| 3745 | | - |
| 3746 | | - var result = parseFunctions[startRule](); |
| 3747 | | - |
| 3748 | | - /* |
| 3749 | | - * The parser is now in one of the following three states: |
| 3750 | | - * |
| 3751 | | - * 1. The parser successfully parsed the whole input. |
| 3752 | | - * |
| 3753 | | - * - |result !== null| |
| 3754 | | - * - |pos === input.length| |
| 3755 | | - * - |rightmostMatchFailuresExpected| may or may not contain something |
| 3756 | | - * |
| 3757 | | - * 2. The parser successfully parsed only a part of the input. |
| 3758 | | - * |
| 3759 | | - * - |result !== null| |
| 3760 | | - * - |pos < input.length| |
| 3761 | | - * - |rightmostMatchFailuresExpected| may or may not contain something |
| 3762 | | - * |
| 3763 | | - * 3. The parser did not successfully parse any part of the input. |
| 3764 | | - * |
| 3765 | | - * - |result === null| |
| 3766 | | - * - |pos === 0| |
| 3767 | | - * - |rightmostMatchFailuresExpected| contains at least one failure |
| 3768 | | - * |
| 3769 | | - * All code following this comment (including called functions) must |
| 3770 | | - * handle these states. |
| 3771 | | - */ |
| 3772 | | - if (result === null || pos !== input.length) { |
| 3773 | | - var errorPosition = computeErrorPosition(); |
| 3774 | | - throw new this.SyntaxError( |
| 3775 | | - buildErrorMessage(), |
| 3776 | | - errorPosition.line, |
| 3777 | | - errorPosition.column |
| 3778 | | - ); |
| 3779 | | - } |
| 3780 | | - |
| 3781 | | - return result; |
| 3782 | | - }, |
| 3783 | | - |
| 3784 | | - /* Returns the parser source code. */ |
| 3785 | | - toSource: function() { return this._source; } |
| 3786 | | - }; |
| 3787 | | - |
| 3788 | | - /* Thrown when a parser encounters a syntax error. */ |
| 3789 | | - |
| 3790 | | - result.SyntaxError = function(message, line, column) { |
| 3791 | | - this.name = 'SyntaxError'; |
| 3792 | | - this.message = message; |
| 3793 | | - this.line = line; |
| 3794 | | - this.column = column; |
| 3795 | | - }; |
| 3796 | | - |
| 3797 | | - result.SyntaxError.prototype = Error.prototype; |
| 3798 | | - |
| 3799 | | - return result; |
| 3800 | | -})(); |
| 3801 | | -PEG.compiler = { |
| 3802 | | - /* |
| 3803 | | - * Generates a parser from a specified grammar AST. Throws |PEG.GrammarError| |
| 3804 | | - * if the AST contains a semantic error. Note that not all errors are detected |
| 3805 | | - * during the generation and some may protrude to the generated parser and |
| 3806 | | - * cause its malfunction. |
| 3807 | | - */ |
| 3808 | | - compile: function(ast) { |
| 3809 | | - var CHECK_NAMES = [ |
| 3810 | | - "missingReferencedRules", |
| 3811 | | - "leftRecursion" |
| 3812 | | - ]; |
| 3813 | | - |
| 3814 | | - var PASS_NAMES = [ |
| 3815 | | - "proxyRules" |
| 3816 | | - ]; |
| 3817 | | - |
| 3818 | | - for (var i = 0; i < CHECK_NAMES.length; i++) { |
| 3819 | | - this.checks[CHECK_NAMES[i]](ast); |
| 3820 | | - } |
| 3821 | | - |
| 3822 | | - for (var i = 0; i < PASS_NAMES.length; i++) { |
| 3823 | | - ast = this.passes[PASS_NAMES[i]](ast); |
| 3824 | | - } |
| 3825 | | - |
| 3826 | | - var source = this.emitter(ast); |
| 3827 | | - //console.log(source); |
| 3828 | | - var result = eval(source); |
| 3829 | | - result._source = source; |
| 3830 | | - |
| 3831 | | - return result; |
| 3832 | | - } |
| 3833 | | -}; |
| 3834 | | - |
| 3835 | | -/* |
| 3836 | | - * Checks made on the grammar AST before compilation. Each check is a function |
| 3837 | | - * that is passed the AST and does not return anything. If the check passes, the |
| 3838 | | - * function does not do anything special, otherwise it throws |
| 3839 | | - * |PEG.GrammarError|. The order in which the checks are run is specified in |
| 3840 | | - * |PEG.compiler.compile| and should be the same as the order of definitions |
| 3841 | | - * here. |
| 3842 | | - */ |
| 3843 | | -PEG.compiler.checks = { |
| 3844 | | - /* Checks that all referenced rules exist. */ |
| 3845 | | - missingReferencedRules: function(ast) { |
| 3846 | | - function nop() {} |
| 3847 | | - |
| 3848 | | - function checkExpression(node) { check(node.expression); } |
| 3849 | | - |
| 3850 | | - function checkSubnodes(propertyName) { |
| 3851 | | - return function(node) { each(node[propertyName], check); }; |
| 3852 | | - } |
| 3853 | | - |
| 3854 | | - var check = buildNodeVisitor({ |
| 3855 | | - grammar: |
| 3856 | | - function(node) { |
| 3857 | | - for (var name in node.rules) { |
| 3858 | | - check(node.rules[name]); |
| 3859 | | - } |
| 3860 | | - }, |
| 3861 | | - |
| 3862 | | - rule: checkExpression, |
| 3863 | | - choice: checkSubnodes("alternatives"), |
| 3864 | | - sequence: checkSubnodes("elements"), |
| 3865 | | - labeled: checkExpression, |
| 3866 | | - simple_and: checkExpression, |
| 3867 | | - simple_not: checkExpression, |
| 3868 | | - semantic_and: nop, |
| 3869 | | - semantic_not: nop, |
| 3870 | | - optional: checkExpression, |
| 3871 | | - zero_or_more: checkExpression, |
| 3872 | | - one_or_more: checkExpression, |
| 3873 | | - action: checkExpression, |
| 3874 | | - |
| 3875 | | - rule_ref: |
| 3876 | | - function(node) { |
| 3877 | | - if (ast.rules[node.name] === undefined) { |
| 3878 | | - throw new PEG.GrammarError( |
| 3879 | | - "Referenced rule \"" + node.name + "\" does not exist." |
| 3880 | | - ); |
| 3881 | | - } |
| 3882 | | - }, |
| 3883 | | - |
| 3884 | | - literal: nop, |
| 3885 | | - any: nop, |
| 3886 | | - "class": nop |
| 3887 | | - }); |
| 3888 | | - |
| 3889 | | - check(ast); |
| 3890 | | - }, |
| 3891 | | - |
| 3892 | | - /* Checks that no left recursion is present. */ |
| 3893 | | - leftRecursion: function(ast) { |
| 3894 | | - function nop() {} |
| 3895 | | - |
| 3896 | | - function checkExpression(node, appliedRules) { |
| 3897 | | - check(node.expression, appliedRules); |
| 3898 | | - } |
| 3899 | | - |
| 3900 | | - var check = buildNodeVisitor({ |
| 3901 | | - grammar: |
| 3902 | | - function(node, appliedRules) { |
| 3903 | | - for (var name in node.rules) { |
| 3904 | | - check(node.rules[name], appliedRules); |
| 3905 | | - } |
| 3906 | | - }, |
| 3907 | | - |
| 3908 | | - rule: |
| 3909 | | - function(node, appliedRules) { |
| 3910 | | - check(node.expression, appliedRules.concat(node.name)); |
| 3911 | | - }, |
| 3912 | | - |
| 3913 | | - choice: |
| 3914 | | - function(node, appliedRules) { |
| 3915 | | - each(node.alternatives, function(alternative) { |
| 3916 | | - check(alternative, appliedRules); |
| 3917 | | - }); |
| 3918 | | - }, |
| 3919 | | - |
| 3920 | | - sequence: |
| 3921 | | - function(node, appliedRules) { |
| 3922 | | - if (node.elements.length > 0) { |
| 3923 | | - check(node.elements[0], appliedRules); |
| 3924 | | - } |
| 3925 | | - }, |
| 3926 | | - |
| 3927 | | - labeled: checkExpression, |
| 3928 | | - simple_and: checkExpression, |
| 3929 | | - simple_not: checkExpression, |
| 3930 | | - semantic_and: nop, |
| 3931 | | - semantic_not: nop, |
| 3932 | | - optional: checkExpression, |
| 3933 | | - zero_or_more: checkExpression, |
| 3934 | | - one_or_more: checkExpression, |
| 3935 | | - action: checkExpression, |
| 3936 | | - |
| 3937 | | - rule_ref: |
| 3938 | | - function(node, appliedRules) { |
| 3939 | | - if (contains(appliedRules, node.name)) { |
| 3940 | | - throw new PEG.GrammarError( |
| 3941 | | - "Left recursion detected for rule \"" + node.name + "\"." |
| 3942 | | - ); |
| 3943 | | - } |
| 3944 | | - check(ast.rules[node.name], appliedRules); |
| 3945 | | - }, |
| 3946 | | - |
| 3947 | | - literal: nop, |
| 3948 | | - any: nop, |
| 3949 | | - "class": nop |
| 3950 | | - }); |
| 3951 | | - |
| 3952 | | - check(ast, []); |
| 3953 | | - } |
| 3954 | | -}; |
| 3955 | | -/* |
| 3956 | | - * Optimalization passes made on the grammar AST before compilation. Each pass |
| 3957 | | - * is a function that is passed the AST and returns a new AST. The AST can be |
| 3958 | | - * modified in-place by the pass. The order in which the passes are run is |
| 3959 | | - * specified in |PEG.compiler.compile| and should be the same as the order of |
| 3960 | | - * definitions here. |
| 3961 | | - */ |
| 3962 | | -PEG.compiler.passes = { |
| 3963 | | - /* |
| 3964 | | - * Removes proxy rules -- that is, rules that only delegate to other rule. |
| 3965 | | - */ |
| 3966 | | - proxyRules: function(ast) { |
| 3967 | | - function isProxyRule(node) { |
| 3968 | | - return node.type === "rule" && node.expression.type === "rule_ref"; |
| 3969 | | - } |
| 3970 | | - |
| 3971 | | - function replaceRuleRefs(ast, from, to) { |
| 3972 | | - function nop() {} |
| 3973 | | - |
| 3974 | | - function replaceInExpression(node, from, to) { |
| 3975 | | - replace(node.expression, from, to); |
| 3976 | | - } |
| 3977 | | - |
| 3978 | | - function replaceInSubnodes(propertyName) { |
| 3979 | | - return function(node, from, to) { |
| 3980 | | - each(node[propertyName], function(subnode) { |
| 3981 | | - replace(subnode, from, to); |
| 3982 | | - }); |
| 3983 | | - }; |
| 3984 | | - } |
| 3985 | | - |
| 3986 | | - var replace = buildNodeVisitor({ |
| 3987 | | - grammar: |
| 3988 | | - function(node, from, to) { |
| 3989 | | - for (var name in node.rules) { |
| 3990 | | - replace(node.rules[name], from, to); |
| 3991 | | - } |
| 3992 | | - }, |
| 3993 | | - |
| 3994 | | - rule: replaceInExpression, |
| 3995 | | - choice: replaceInSubnodes("alternatives"), |
| 3996 | | - sequence: replaceInSubnodes("elements"), |
| 3997 | | - labeled: replaceInExpression, |
| 3998 | | - simple_and: replaceInExpression, |
| 3999 | | - simple_not: replaceInExpression, |
| 4000 | | - semantic_and: nop, |
| 4001 | | - semantic_not: nop, |
| 4002 | | - optional: replaceInExpression, |
| 4003 | | - zero_or_more: replaceInExpression, |
| 4004 | | - one_or_more: replaceInExpression, |
| 4005 | | - action: replaceInExpression, |
| 4006 | | - |
| 4007 | | - rule_ref: |
| 4008 | | - function(node, from, to) { |
| 4009 | | - if (node.name === from) { |
| 4010 | | - node.name = to; |
| 4011 | | - } |
| 4012 | | - }, |
| 4013 | | - |
| 4014 | | - literal: nop, |
| 4015 | | - any: nop, |
| 4016 | | - "class": nop |
| 4017 | | - }); |
| 4018 | | - |
| 4019 | | - replace(ast, from, to); |
| 4020 | | - } |
| 4021 | | - |
| 4022 | | - for (var name in ast.rules) { |
| 4023 | | - if (isProxyRule(ast.rules[name])) { |
| 4024 | | - replaceRuleRefs(ast, ast.rules[name].name, ast.rules[name].expression.name); |
| 4025 | | - if (name === ast.startRule) { |
| 4026 | | - ast.startRule = ast.rules[name].expression.name; |
| 4027 | | - } |
| 4028 | | - delete ast.rules[name]; |
| 4029 | | - } |
| 4030 | | - } |
| 4031 | | - |
| 4032 | | - return ast; |
| 4033 | | - } |
| 4034 | | -}; |
| 4035 | | -/* Emits the generated code for the AST. */ |
| 4036 | | -PEG.compiler.emitter = function(ast) { |
| 4037 | | - /* |
| 4038 | | - * Takes parts of code, interpolates variables inside them and joins them with |
| 4039 | | - * a newline. |
| 4040 | | - * |
| 4041 | | - * Variables are delimited with "${" and "}" and their names must be valid |
| 4042 | | - * identifiers (i.e. they must match [a-zA-Z_][a-zA-Z0-9_]*). Variable values |
| 4043 | | - * are specified as properties of the last parameter (if this is an object, |
| 4044 | | - * otherwise empty variable set is assumed). Undefined variables result in |
| 4045 | | - * throwing |Error|. |
| 4046 | | - * |
| 4047 | | - * There can be a filter specified after the variable name, prefixed with "|". |
| 4048 | | - * The filter name must be a valid identifier. The only recognized filter |
| 4049 | | - * right now is "string", which quotes the variable value as a JavaScript |
| 4050 | | - * string. Unrecognized filters result in throwing |Error|. |
| 4051 | | - * |
| 4052 | | - * If any part has multiple lines and the first line is indented by some |
| 4053 | | - * amount of whitespace (as defined by the /\s+/ JavaScript regular |
| 4054 | | - * expression), second to last lines are indented by the same amount of |
| 4055 | | - * whitespace. This results in nicely indented multiline code in variables |
| 4056 | | - * without making the templates look ugly. |
| 4057 | | - * |
| 4058 | | - * Examples: |
| 4059 | | - * |
| 4060 | | - * formatCode("foo", "bar"); // "foo\nbar" |
| 4061 | | - * formatCode("foo", "${bar}", { bar: "baz" }); // "foo\nbaz" |
| 4062 | | - * formatCode("foo", "${bar}"); // throws Error |
| 4063 | | - * formatCode("foo", "${bar|string}", { bar: "baz" }); // "foo\n\"baz\"" |
| 4064 | | - * formatCode("foo", "${bar|eeek}", { bar: "baz" }); // throws Error |
| 4065 | | - * formatCode("foo", "${bar}", { bar: " baz\nqux" }); // "foo\n baz\n qux" |
| 4066 | | - */ |
| 4067 | | - function formatCode() { |
| 4068 | | - function interpolateVariablesInParts(parts) { |
| 4069 | | - return map(parts, function(part) { |
| 4070 | | - return part.replace( |
| 4071 | | - /\$\{([a-zA-Z_][a-zA-Z0-9_]*)(\|([a-zA-Z_][a-zA-Z0-9_]*))?\}/g, |
| 4072 | | - function(match, name, dummy, filter) { |
| 4073 | | - var value = vars[name]; |
| 4074 | | - if (value === undefined) { |
| 4075 | | - throw new Error("Undefined variable: \"" + name + "\"."); |
| 4076 | | - } |
| 4077 | | - |
| 4078 | | - if (filter !== undefined && filter != "") { // JavaScript engines differ here. |
| 4079 | | - if (filter === "string") { |
| 4080 | | - return quote(value); |
| 4081 | | - } else { |
| 4082 | | - throw new Error("Unrecognized filter: \"" + filter + "\"."); |
| 4083 | | - } |
| 4084 | | - } else { |
| 4085 | | - return value; |
| 4086 | | - } |
| 4087 | | - } |
| 4088 | | - ); |
| 4089 | | - }); |
| 4090 | | - } |
| 4091 | | - |
| 4092 | | - function indentMultilineParts(parts) { |
| 4093 | | - return map(parts, function(part) { |
| 4094 | | - if (!/\n/.test(part)) { return part; } |
| 4095 | | - |
| 4096 | | - var firstLineWhitespacePrefix = part.match(/^\s*/)[0]; |
| 4097 | | - var lines = part.split("\n"); |
| 4098 | | - var linesIndented = [lines[0]].concat( |
| 4099 | | - map(lines.slice(1), function(line) { |
| 4100 | | - return firstLineWhitespacePrefix + line; |
| 4101 | | - }) |
| 4102 | | - ); |
| 4103 | | - return linesIndented.join("\n"); |
| 4104 | | - }); |
| 4105 | | - } |
| 4106 | | - |
| 4107 | | - var args = Array.prototype.slice.call(arguments); |
| 4108 | | - var vars = args[args.length - 1] instanceof Object ? args.pop() : {}; |
| 4109 | | - |
| 4110 | | - return indentMultilineParts(interpolateVariablesInParts(args)).join("\n"); |
| 4111 | | - }; |
| 4112 | | - |
| 4113 | | - /* Unique ID generator. */ |
| 4114 | | - var UID = { |
| 4115 | | - _counters: {}, |
| 4116 | | - |
| 4117 | | - next: function(prefix) { |
| 4118 | | - this._counters[prefix] = this._counters[prefix] || 0; |
| 4119 | | - return prefix + this._counters[prefix]++; |
| 4120 | | - }, |
| 4121 | | - |
| 4122 | | - reset: function() { |
| 4123 | | - this._counters = {}; |
| 4124 | | - } |
| 4125 | | - }; |
| 4126 | | - |
| 4127 | | - var emit = buildNodeVisitor({ |
| 4128 | | - grammar: function(node) { |
| 4129 | | - var initializerCode = node.initializer !== null |
| 4130 | | - ? emit(node.initializer) |
| 4131 | | - : ""; |
| 4132 | | - |
| 4133 | | - var parseFunctionTableItems = []; |
| 4134 | | - for (var name in node.rules) { |
| 4135 | | - parseFunctionTableItems.push(quote(name) + ": parse_" + name); |
| 4136 | | - } |
| 4137 | | - parseFunctionTableItems.sort(); |
| 4138 | | - |
| 4139 | | - var parseFunctionDefinitions = []; |
| 4140 | | - for (var name in node.rules) { |
| 4141 | | - parseFunctionDefinitions.push(emit(node.rules[name])); |
| 4142 | | - } |
| 4143 | | - |
| 4144 | | - return formatCode( |
| 4145 | | - "(function(){", |
| 4146 | | - " /* Generated by PEG.js 0.6.1 (http://pegjs.majda.cz/). */", |
| 4147 | | - " ", |
| 4148 | | - " var result = {", |
| 4149 | | - " /*", |
| 4150 | | - " * Parses the input with a generated parser. If the parsing is successfull,", |
| 4151 | | - " * returns a value explicitly or implicitly specified by the grammar from", |
| 4152 | | - " * which the parser was generated (see |PEG.buildParser|). If the parsing is", |
| 4153 | | - " * unsuccessful, throws |PEG.parser.SyntaxError| describing the error.", |
| 4154 | | - " */", |
| 4155 | | - " parse: function(input, startRule) {", |
| 4156 | | - " var parseFunctions = {", |
| 4157 | | - " ${parseFunctionTableItems}", |
| 4158 | | - " };", |
| 4159 | | - " ", |
| 4160 | | - " if (startRule !== undefined) {", |
| 4161 | | - " if (parseFunctions[startRule] === undefined) {", |
| 4162 | | - " throw new Error(\"Invalid rule name: \" + quote(startRule) + \".\");", |
| 4163 | | - " }", |
| 4164 | | - " } else {", |
| 4165 | | - " startRule = ${startRule|string};", |
| 4166 | | - " }", |
| 4167 | | - " ", |
| 4168 | | - " var pos = 0;", |
| 4169 | | - " var reportMatchFailures = true;", |
| 4170 | | - " var rightmostMatchFailuresPos = 0;", |
| 4171 | | - " var rightmostMatchFailuresExpected = [];", |
| 4172 | | - " var cache = {};", |
| 4173 | | - " ", |
| 4174 | | - /* This needs to be in sync with |padLeft| in utils.js. */ |
| 4175 | | - " function padLeft(input, padding, length) {", |
| 4176 | | - " var result = input;", |
| 4177 | | - " ", |
| 4178 | | - " var padLength = length - input.length;", |
| 4179 | | - " for (var i = 0; i < padLength; i++) {", |
| 4180 | | - " result = padding + result;", |
| 4181 | | - " }", |
| 4182 | | - " ", |
| 4183 | | - " return result;", |
| 4184 | | - " }", |
| 4185 | | - " ", |
| 4186 | | - /* This needs to be in sync with |escape| in utils.js. */ |
| 4187 | | - " function escape(ch) {", |
| 4188 | | - " var charCode = ch.charCodeAt(0);", |
| 4189 | | - " ", |
| 4190 | | - " if (charCode <= 0xFF) {", |
| 4191 | | - " var escapeChar = 'x';", |
| 4192 | | - " var length = 2;", |
| 4193 | | - " } else {", |
| 4194 | | - " var escapeChar = 'u';", |
| 4195 | | - " var length = 4;", |
| 4196 | | - " }", |
| 4197 | | - " ", |
| 4198 | | - " return '\\\\' + escapeChar + padLeft(charCode.toString(16).toUpperCase(), '0', length);", |
| 4199 | | - " }", |
| 4200 | | - " ", |
| 4201 | | - /* This needs to be in sync with |quote| in utils.js. */ |
| 4202 | | - " function quote(s) {", |
| 4203 | | - " /*", |
| 4204 | | - " * ECMA-262, 5th ed., 7.8.4: All characters may appear literally in a", |
| 4205 | | - " * string literal except for the closing quote character, backslash,", |
| 4206 | | - " * carriage return, line separator, paragraph separator, and line feed.", |
| 4207 | | - " * Any character may appear in the form of an escape sequence.", |
| 4208 | | - " */", |
| 4209 | | - " return '\"' + s", |
| 4210 | | - " .replace(/\\\\/g, '\\\\\\\\') // backslash", |
| 4211 | | - " .replace(/\"/g, '\\\\\"') // closing quote character", |
| 4212 | | - " .replace(/\\r/g, '\\\\r') // carriage return", |
| 4213 | | - " .replace(/\\n/g, '\\\\n') // line feed", |
| 4214 | | - " .replace(/[\\x80-\\uFFFF]/g, escape) // non-ASCII characters", |
| 4215 | | - " + '\"';", |
| 4216 | | - " }", |
| 4217 | | - " ", |
| 4218 | | - " function matchFailed(failure) {", |
| 4219 | | - " if (pos < rightmostMatchFailuresPos) {", |
| 4220 | | - " return;", |
| 4221 | | - " }", |
| 4222 | | - " ", |
| 4223 | | - " if (pos > rightmostMatchFailuresPos) {", |
| 4224 | | - " rightmostMatchFailuresPos = pos;", |
| 4225 | | - " rightmostMatchFailuresExpected = [];", |
| 4226 | | - " }", |
| 4227 | | - " ", |
| 4228 | | - " rightmostMatchFailuresExpected.push(failure);", |
| 4229 | | - " }", |
| 4230 | | - " ", |
| 4231 | | - " ${parseFunctionDefinitions}", |
| 4232 | | - " ", |
| 4233 | | - " function buildErrorMessage() {", |
| 4234 | | - " function buildExpected(failuresExpected) {", |
| 4235 | | - " failuresExpected.sort();", |
| 4236 | | - " ", |
| 4237 | | - " var lastFailure = null;", |
| 4238 | | - " var failuresExpectedUnique = [];", |
| 4239 | | - " for (var i = 0; i < failuresExpected.length; i++) {", |
| 4240 | | - " if (failuresExpected[i] !== lastFailure) {", |
| 4241 | | - " failuresExpectedUnique.push(failuresExpected[i]);", |
| 4242 | | - " lastFailure = failuresExpected[i];", |
| 4243 | | - " }", |
| 4244 | | - " }", |
| 4245 | | - " ", |
| 4246 | | - " switch (failuresExpectedUnique.length) {", |
| 4247 | | - " case 0:", |
| 4248 | | - " return 'end of input';", |
| 4249 | | - " case 1:", |
| 4250 | | - " return failuresExpectedUnique[0];", |
| 4251 | | - " default:", |
| 4252 | | - " return failuresExpectedUnique.slice(0, failuresExpectedUnique.length - 1).join(', ')", |
| 4253 | | - " + ' or '", |
| 4254 | | - " + failuresExpectedUnique[failuresExpectedUnique.length - 1];", |
| 4255 | | - " }", |
| 4256 | | - " }", |
| 4257 | | - " ", |
| 4258 | | - " var expected = buildExpected(rightmostMatchFailuresExpected);", |
| 4259 | | - " var actualPos = Math.max(pos, rightmostMatchFailuresPos);", |
| 4260 | | - " var actual = actualPos < input.length", |
| 4261 | | - " ? quote(input.charAt(actualPos))", |
| 4262 | | - " : 'end of input';", |
| 4263 | | - " ", |
| 4264 | | - " return 'Expected ' + expected + ' but ' + actual + ' found.';", |
| 4265 | | - " }", |
| 4266 | | - " ", |
| 4267 | | - " function computeErrorPosition() {", |
| 4268 | | - " /*", |
| 4269 | | - " * The first idea was to use |String.split| to break the input up to the", |
| 4270 | | - " * error position along newlines and derive the line and column from", |
| 4271 | | - " * there. However IE's |split| implementation is so broken that it was", |
| 4272 | | - " * enough to prevent it.", |
| 4273 | | - " */", |
| 4274 | | - " ", |
| 4275 | | - " var line = 1;", |
| 4276 | | - " var column = 1;", |
| 4277 | | - " var seenCR = false;", |
| 4278 | | - " ", |
| 4279 | | - " for (var i = 0; i < rightmostMatchFailuresPos; i++) {", |
| 4280 | | - " var ch = input.charAt(i);", |
| 4281 | | - " if (ch === '\\n') {", |
| 4282 | | - " if (!seenCR) { line++; }", |
| 4283 | | - " column = 1;", |
| 4284 | | - " seenCR = false;", |
| 4285 | | - " } else if (ch === '\\r' | ch === '\\u2028' || ch === '\\u2029') {", |
| 4286 | | - " line++;", |
| 4287 | | - " column = 1;", |
| 4288 | | - " seenCR = true;", |
| 4289 | | - " } else {", |
| 4290 | | - " column++;", |
| 4291 | | - " seenCR = false;", |
| 4292 | | - " }", |
| 4293 | | - " }", |
| 4294 | | - " ", |
| 4295 | | - " return { line: line, column: column };", |
| 4296 | | - " }", |
| 4297 | | - " ", |
| 4298 | | - " ${initializerCode}", |
| 4299 | | - " ", |
| 4300 | | - " var result = parseFunctions[startRule]();", |
| 4301 | | - " ", |
| 4302 | | - " /*", |
| 4303 | | - " * The parser is now in one of the following three states:", |
| 4304 | | - " *", |
| 4305 | | - " * 1. The parser successfully parsed the whole input.", |
| 4306 | | - " *", |
| 4307 | | - " * - |result !== null|", |
| 4308 | | - " * - |pos === input.length|", |
| 4309 | | - " * - |rightmostMatchFailuresExpected| may or may not contain something", |
| 4310 | | - " *", |
| 4311 | | - " * 2. The parser successfully parsed only a part of the input.", |
| 4312 | | - " *", |
| 4313 | | - " * - |result !== null|", |
| 4314 | | - " * - |pos < input.length|", |
| 4315 | | - " * - |rightmostMatchFailuresExpected| may or may not contain something", |
| 4316 | | - " *", |
| 4317 | | - " * 3. The parser did not successfully parse any part of the input.", |
| 4318 | | - " *", |
| 4319 | | - " * - |result === null|", |
| 4320 | | - " * - |pos === 0|", |
| 4321 | | - " * - |rightmostMatchFailuresExpected| contains at least one failure", |
| 4322 | | - " *", |
| 4323 | | - " * All code following this comment (including called functions) must", |
| 4324 | | - " * handle these states.", |
| 4325 | | - " */", |
| 4326 | | - " if (result === null || pos !== input.length) {", |
| 4327 | | - " var errorPosition = computeErrorPosition();", |
| 4328 | | - " throw new this.SyntaxError(", |
| 4329 | | - " buildErrorMessage(),", |
| 4330 | | - " errorPosition.line,", |
| 4331 | | - " errorPosition.column", |
| 4332 | | - " );", |
| 4333 | | - " }", |
| 4334 | | - " ", |
| 4335 | | - " return result;", |
| 4336 | | - " },", |
| 4337 | | - " ", |
| 4338 | | - " /* Returns the parser source code. */", |
| 4339 | | - " toSource: function() { return this._source; }", |
| 4340 | | - " };", |
| 4341 | | - " ", |
| 4342 | | - " /* Thrown when a parser encounters a syntax error. */", |
| 4343 | | - " ", |
| 4344 | | - " result.SyntaxError = function(message, line, column) {", |
| 4345 | | - " this.name = 'SyntaxError';", |
| 4346 | | - " this.message = message;", |
| 4347 | | - " this.line = line;", |
| 4348 | | - " this.column = column;", |
| 4349 | | - " };", |
| 4350 | | - " ", |
| 4351 | | - " result.SyntaxError.prototype = Error.prototype;", |
| 4352 | | - " ", |
| 4353 | | - " return result;", |
| 4354 | | - "})()", |
| 4355 | | - { |
| 4356 | | - initializerCode: initializerCode, |
| 4357 | | - parseFunctionTableItems: parseFunctionTableItems.join(",\n"), |
| 4358 | | - parseFunctionDefinitions: parseFunctionDefinitions.join("\n\n"), |
| 4359 | | - startRule: node.startRule |
| 4360 | | - } |
| 4361 | | - ); |
| 4362 | | - }, |
| 4363 | | - |
| 4364 | | - initializer: function(node) { |
| 4365 | | - return node.code; |
| 4366 | | - }, |
| 4367 | | - |
| 4368 | | - rule: function(node) { |
| 4369 | | - /* |
| 4370 | | - * We want to reset variable names at the beginning of every function so |
| 4371 | | - * that a little change in the source grammar does not change variables in |
| 4372 | | - * all the generated code. This is desired especially when one has the |
| 4373 | | - * generated grammar stored in a VCS (this is true e.g. for our |
| 4374 | | - * metagrammar). |
| 4375 | | - */ |
| 4376 | | - UID.reset(); |
| 4377 | | - |
| 4378 | | - var resultVar = UID.next("result"); |
| 4379 | | - |
| 4380 | | - if (node.displayName !== null) { |
| 4381 | | - var setReportMatchFailuresCode = formatCode( |
| 4382 | | - "var savedReportMatchFailures = reportMatchFailures;", |
| 4383 | | - "reportMatchFailures = false;" |
| 4384 | | - ); |
| 4385 | | - var restoreReportMatchFailuresCode = formatCode( |
| 4386 | | - "reportMatchFailures = savedReportMatchFailures;" |
| 4387 | | - ); |
| 4388 | | - var reportMatchFailureCode = formatCode( |
| 4389 | | - "if (reportMatchFailures && ${resultVar} === null) {", |
| 4390 | | - " matchFailed(${displayName|string});", |
| 4391 | | - "}", |
| 4392 | | - { |
| 4393 | | - displayName: node.displayName, |
| 4394 | | - resultVar: resultVar |
| 4395 | | - } |
| 4396 | | - ); |
| 4397 | | - } else { |
| 4398 | | - var setReportMatchFailuresCode = ""; |
| 4399 | | - var restoreReportMatchFailuresCode = ""; |
| 4400 | | - var reportMatchFailureCode = ""; |
| 4401 | | - } |
| 4402 | | - |
| 4403 | | - return formatCode( |
| 4404 | | - "function parse_${name}() {", |
| 4405 | | - " var cacheKey = '${name}@' + pos;", |
| 4406 | | - " var cachedResult = cache[cacheKey];", |
| 4407 | | - " if (cachedResult) {", |
| 4408 | | - " pos = cachedResult.nextPos;", |
| 4409 | | - " return cachedResult.result;", |
| 4410 | | - " }", |
| 4411 | | - " ", |
| 4412 | | - " ${setReportMatchFailuresCode}", |
| 4413 | | - " ${code}", |
| 4414 | | - " ${restoreReportMatchFailuresCode}", |
| 4415 | | - " ${reportMatchFailureCode}", |
| 4416 | | - " ", |
| 4417 | | - " cache[cacheKey] = {", |
| 4418 | | - " nextPos: pos,", |
| 4419 | | - " result: ${resultVar}", |
| 4420 | | - " };", |
| 4421 | | - " return ${resultVar};", |
| 4422 | | - "}", |
| 4423 | | - { |
| 4424 | | - name: node.name, |
| 4425 | | - setReportMatchFailuresCode: setReportMatchFailuresCode, |
| 4426 | | - restoreReportMatchFailuresCode: restoreReportMatchFailuresCode, |
| 4427 | | - reportMatchFailureCode: reportMatchFailureCode, |
| 4428 | | - code: emit(node.expression, resultVar), |
| 4429 | | - resultVar: resultVar |
| 4430 | | - } |
| 4431 | | - ); |
| 4432 | | - }, |
| 4433 | | - |
| 4434 | | - /* |
| 4435 | | - * The contract for all code fragments generated by the following functions |
| 4436 | | - * is as follows: |
| 4437 | | - * |
| 4438 | | - * * The code fragment should try to match a part of the input starting with |
| 4439 | | - * the position indicated in |pos|. That position may point past the end of |
| 4440 | | - * the input. |
| 4441 | | - * |
| 4442 | | - * * If the code fragment matches the input, it advances |pos| after the |
| 4443 | | - * matched part of the input and sets variable with a name stored in |
| 4444 | | - * |resultVar| to appropriate value, which is always non-null. |
| 4445 | | - * |
| 4446 | | - * * If the code fragment does not match the input, it does not change |pos| |
| 4447 | | - * and it sets a variable with a name stored in |resultVar| to |null|. |
| 4448 | | - */ |
| 4449 | | - |
| 4450 | | - choice: function(node, resultVar) { |
| 4451 | | - var code = formatCode( |
| 4452 | | - "var ${resultVar} = null;", |
| 4453 | | - { resultVar: resultVar } |
| 4454 | | - ); |
| 4455 | | - |
| 4456 | | - for (var i = node.alternatives.length - 1; i >= 0; i--) { |
| 4457 | | - var alternativeResultVar = UID.next("result"); |
| 4458 | | - code = formatCode( |
| 4459 | | - "${alternativeCode}", |
| 4460 | | - "if (${alternativeResultVar} !== null) {", |
| 4461 | | - " var ${resultVar} = ${alternativeResultVar};", |
| 4462 | | - "} else {", |
| 4463 | | - " ${code};", |
| 4464 | | - "}", |
| 4465 | | - { |
| 4466 | | - alternativeCode: emit(node.alternatives[i], alternativeResultVar), |
| 4467 | | - alternativeResultVar: alternativeResultVar, |
| 4468 | | - code: code, |
| 4469 | | - resultVar: resultVar |
| 4470 | | - } |
| 4471 | | - ); |
| 4472 | | - } |
| 4473 | | - |
| 4474 | | - return code; |
| 4475 | | - }, |
| 4476 | | - |
| 4477 | | - sequence: function(node, resultVar) { |
| 4478 | | - var savedPosVar = UID.next("savedPos"); |
| 4479 | | - |
| 4480 | | - var elementResultVars = map(node.elements, function() { |
| 4481 | | - return UID.next("result") |
| 4482 | | - }); |
| 4483 | | - |
| 4484 | | - var code = formatCode( |
| 4485 | | - "var ${resultVar} = ${elementResultVarArray};", |
| 4486 | | - { |
| 4487 | | - resultVar: resultVar, |
| 4488 | | - elementResultVarArray: "[" + elementResultVars.join(", ") + "]" |
| 4489 | | - } |
| 4490 | | - ); |
| 4491 | | - |
| 4492 | | - for (var i = node.elements.length - 1; i >= 0; i--) { |
| 4493 | | - code = formatCode( |
| 4494 | | - "${elementCode}", |
| 4495 | | - "if (${elementResultVar} !== null) {", |
| 4496 | | - " ${code}", |
| 4497 | | - "} else {", |
| 4498 | | - " var ${resultVar} = null;", |
| 4499 | | - " pos = ${savedPosVar};", |
| 4500 | | - "}", |
| 4501 | | - { |
| 4502 | | - elementCode: emit(node.elements[i], elementResultVars[i]), |
| 4503 | | - elementResultVar: elementResultVars[i], |
| 4504 | | - code: code, |
| 4505 | | - savedPosVar: savedPosVar, |
| 4506 | | - resultVar: resultVar |
| 4507 | | - } |
| 4508 | | - ); |
| 4509 | | - } |
| 4510 | | - |
| 4511 | | - return formatCode( |
| 4512 | | - "var ${savedPosVar} = pos;", |
| 4513 | | - "${code}", |
| 4514 | | - { |
| 4515 | | - code: code, |
| 4516 | | - savedPosVar: savedPosVar |
| 4517 | | - } |
| 4518 | | - ); |
| 4519 | | - }, |
| 4520 | | - |
| 4521 | | - labeled: function(node, resultVar) { |
| 4522 | | - return emit(node.expression, resultVar); |
| 4523 | | - }, |
| 4524 | | - |
| 4525 | | - simple_and: function(node, resultVar) { |
| 4526 | | - var savedPosVar = UID.next("savedPos"); |
| 4527 | | - var savedReportMatchFailuresVar = UID.next("savedReportMatchFailuresVar"); |
| 4528 | | - var expressionResultVar = UID.next("result"); |
| 4529 | | - |
| 4530 | | - return formatCode( |
| 4531 | | - "var ${savedPosVar} = pos;", |
| 4532 | | - "var ${savedReportMatchFailuresVar} = reportMatchFailures;", |
| 4533 | | - "reportMatchFailures = false;", |
| 4534 | | - "${expressionCode}", |
| 4535 | | - "reportMatchFailures = ${savedReportMatchFailuresVar};", |
| 4536 | | - "if (${expressionResultVar} !== null) {", |
| 4537 | | - " var ${resultVar} = '';", |
| 4538 | | - " pos = ${savedPosVar};", |
| 4539 | | - "} else {", |
| 4540 | | - " var ${resultVar} = null;", |
| 4541 | | - "}", |
| 4542 | | - { |
| 4543 | | - expressionCode: emit(node.expression, expressionResultVar), |
| 4544 | | - expressionResultVar: expressionResultVar, |
| 4545 | | - savedPosVar: savedPosVar, |
| 4546 | | - savedReportMatchFailuresVar: savedReportMatchFailuresVar, |
| 4547 | | - resultVar: resultVar |
| 4548 | | - } |
| 4549 | | - ); |
| 4550 | | - }, |
| 4551 | | - |
| 4552 | | - simple_not: function(node, resultVar) { |
| 4553 | | - var savedPosVar = UID.next("savedPos"); |
| 4554 | | - var savedReportMatchFailuresVar = UID.next("savedReportMatchFailuresVar"); |
| 4555 | | - var expressionResultVar = UID.next("result"); |
| 4556 | | - |
| 4557 | | - return formatCode( |
| 4558 | | - "var ${savedPosVar} = pos;", |
| 4559 | | - "var ${savedReportMatchFailuresVar} = reportMatchFailures;", |
| 4560 | | - "reportMatchFailures = false;", |
| 4561 | | - "${expressionCode}", |
| 4562 | | - "reportMatchFailures = ${savedReportMatchFailuresVar};", |
| 4563 | | - "if (${expressionResultVar} === null) {", |
| 4564 | | - " var ${resultVar} = '';", |
| 4565 | | - "} else {", |
| 4566 | | - " var ${resultVar} = null;", |
| 4567 | | - " pos = ${savedPosVar};", |
| 4568 | | - "}", |
| 4569 | | - { |
| 4570 | | - expressionCode: emit(node.expression, expressionResultVar), |
| 4571 | | - expressionResultVar: expressionResultVar, |
| 4572 | | - savedPosVar: savedPosVar, |
| 4573 | | - savedReportMatchFailuresVar: savedReportMatchFailuresVar, |
| 4574 | | - resultVar: resultVar |
| 4575 | | - } |
| 4576 | | - ); |
| 4577 | | - }, |
| 4578 | | - |
| 4579 | | - semantic_and: function(node, resultVar) { |
| 4580 | | - return formatCode( |
| 4581 | | - "var ${resultVar} = (function() {${actionCode}})() ? '' : null;", |
| 4582 | | - { |
| 4583 | | - actionCode: node.code, |
| 4584 | | - resultVar: resultVar |
| 4585 | | - } |
| 4586 | | - ); |
| 4587 | | - }, |
| 4588 | | - |
| 4589 | | - semantic_not: function(node, resultVar) { |
| 4590 | | - return formatCode( |
| 4591 | | - "var ${resultVar} = (function() {${actionCode}})() ? null : '';", |
| 4592 | | - { |
| 4593 | | - actionCode: node.code, |
| 4594 | | - resultVar: resultVar |
| 4595 | | - } |
| 4596 | | - ); |
| 4597 | | - }, |
| 4598 | | - |
| 4599 | | - optional: function(node, resultVar) { |
| 4600 | | - var expressionResultVar = UID.next("result"); |
| 4601 | | - |
| 4602 | | - return formatCode( |
| 4603 | | - "${expressionCode}", |
| 4604 | | - "var ${resultVar} = ${expressionResultVar} !== null ? ${expressionResultVar} : '';", |
| 4605 | | - { |
| 4606 | | - expressionCode: emit(node.expression, expressionResultVar), |
| 4607 | | - expressionResultVar: expressionResultVar, |
| 4608 | | - resultVar: resultVar |
| 4609 | | - } |
| 4610 | | - ); |
| 4611 | | - }, |
| 4612 | | - |
| 4613 | | - zero_or_more: function(node, resultVar) { |
| 4614 | | - var expressionResultVar = UID.next("result"); |
| 4615 | | - |
| 4616 | | - return formatCode( |
| 4617 | | - "var ${resultVar} = [];", |
| 4618 | | - "${expressionCode}", |
| 4619 | | - "while (${expressionResultVar} !== null) {", |
| 4620 | | - " ${resultVar}.push(${expressionResultVar});", |
| 4621 | | - " ${expressionCode}", |
| 4622 | | - "}", |
| 4623 | | - { |
| 4624 | | - expressionCode: emit(node.expression, expressionResultVar), |
| 4625 | | - expressionResultVar: expressionResultVar, |
| 4626 | | - resultVar: resultVar |
| 4627 | | - } |
| 4628 | | - ); |
| 4629 | | - }, |
| 4630 | | - |
| 4631 | | - one_or_more: function(node, resultVar) { |
| 4632 | | - var expressionResultVar = UID.next("result"); |
| 4633 | | - |
| 4634 | | - return formatCode( |
| 4635 | | - "${expressionCode}", |
| 4636 | | - "if (${expressionResultVar} !== null) {", |
| 4637 | | - " var ${resultVar} = [];", |
| 4638 | | - " while (${expressionResultVar} !== null) {", |
| 4639 | | - " ${resultVar}.push(${expressionResultVar});", |
| 4640 | | - " ${expressionCode}", |
| 4641 | | - " }", |
| 4642 | | - "} else {", |
| 4643 | | - " var ${resultVar} = null;", |
| 4644 | | - "}", |
| 4645 | | - { |
| 4646 | | - expressionCode: emit(node.expression, expressionResultVar), |
| 4647 | | - expressionResultVar: expressionResultVar, |
| 4648 | | - resultVar: resultVar |
| 4649 | | - } |
| 4650 | | - ); |
| 4651 | | - }, |
| 4652 | | - |
| 4653 | | - action: function(node, resultVar) { |
| 4654 | | - /* |
| 4655 | | - * In case of sequences, we splat their elements into function arguments |
| 4656 | | - * one by one. Example: |
| 4657 | | - * |
| 4658 | | - * start: a:"a" b:"b" c:"c" { alert(arguments.length) } // => 3 |
| 4659 | | - * |
| 4660 | | - * This behavior is reflected in this function. |
| 4661 | | - */ |
| 4662 | | - |
| 4663 | | - var expressionResultVar = UID.next("result"); |
| 4664 | | - |
| 4665 | | - if (node.expression.type === "sequence") { |
| 4666 | | - var formalParams = []; |
| 4667 | | - var actualParams = []; |
| 4668 | | - |
| 4669 | | - var elements = node.expression.elements; |
| 4670 | | - var elementsLength = elements.length; |
| 4671 | | - for (var i = 0; i < elementsLength; i++) { |
| 4672 | | - if (elements[i].type === "labeled") { |
| 4673 | | - formalParams.push(elements[i].label); |
| 4674 | | - actualParams.push(expressionResultVar + "[" + i + "]"); |
| 4675 | | - } |
| 4676 | | - } |
| 4677 | | - } else if (node.expression.type === "labeled") { |
| 4678 | | - var formalParams = [node.expression.label]; |
| 4679 | | - var actualParams = [expressionResultVar]; |
| 4680 | | - } else { |
| 4681 | | - var formalParams = []; |
| 4682 | | - var actualParams = []; |
| 4683 | | - } |
| 4684 | | - |
| 4685 | | - return formatCode( |
| 4686 | | - "${expressionCode}", |
| 4687 | | - "var ${resultVar} = ${expressionResultVar} !== null", |
| 4688 | | - " ? (function(${formalParams}) {${actionCode}})(${actualParams})", |
| 4689 | | - " : null;", |
| 4690 | | - { |
| 4691 | | - expressionCode: emit(node.expression, expressionResultVar), |
| 4692 | | - expressionResultVar: expressionResultVar, |
| 4693 | | - actionCode: node.code, |
| 4694 | | - formalParams: formalParams.join(", "), |
| 4695 | | - actualParams: actualParams.join(", "), |
| 4696 | | - resultVar: resultVar |
| 4697 | | - } |
| 4698 | | - ); |
| 4699 | | - }, |
| 4700 | | - |
| 4701 | | - rule_ref: function(node, resultVar) { |
| 4702 | | - return formatCode( |
| 4703 | | - "var ${resultVar} = ${ruleMethod}();", |
| 4704 | | - { |
| 4705 | | - ruleMethod: "parse_" + node.name, |
| 4706 | | - resultVar: resultVar |
| 4707 | | - } |
| 4708 | | - ); |
| 4709 | | - }, |
| 4710 | | - |
| 4711 | | - literal: function(node, resultVar) { |
| 4712 | | - return formatCode( |
| 4713 | | - "if (input.substr(pos, ${length}) === ${value|string}) {", |
| 4714 | | - " var ${resultVar} = ${value|string};", |
| 4715 | | - " pos += ${length};", |
| 4716 | | - "} else {", |
| 4717 | | - " var ${resultVar} = null;", |
| 4718 | | - " if (reportMatchFailures) {", |
| 4719 | | - " matchFailed(${valueQuoted|string});", |
| 4720 | | - " }", |
| 4721 | | - "}", |
| 4722 | | - { |
| 4723 | | - value: node.value, |
| 4724 | | - valueQuoted: quote(node.value), |
| 4725 | | - length: node.value.length, |
| 4726 | | - resultVar: resultVar |
| 4727 | | - } |
| 4728 | | - ); |
| 4729 | | - }, |
| 4730 | | - |
| 4731 | | - any: function(node, resultVar) { |
| 4732 | | - return formatCode( |
| 4733 | | - "if (input.length > pos) {", |
| 4734 | | - " var ${resultVar} = input.charAt(pos);", |
| 4735 | | - " pos++;", |
| 4736 | | - "} else {", |
| 4737 | | - " var ${resultVar} = null;", |
| 4738 | | - " if (reportMatchFailures) {", |
| 4739 | | - " matchFailed('any character');", |
| 4740 | | - " }", |
| 4741 | | - "}", |
| 4742 | | - { resultVar: resultVar } |
| 4743 | | - ); |
| 4744 | | - }, |
| 4745 | | - |
| 4746 | | - "class": function(node, resultVar) { |
| 4747 | | - if (node.parts.length > 0) { |
| 4748 | | - var regexp = "/^[" |
| 4749 | | - + (node.inverted ? "^" : "") |
| 4750 | | - + map(node.parts, function(part) { |
| 4751 | | - return part instanceof Array |
| 4752 | | - ? quoteForRegexpClass(part[0]) |
| 4753 | | - + "-" |
| 4754 | | - + quoteForRegexpClass(part[1]) |
| 4755 | | - : quoteForRegexpClass(part); |
| 4756 | | - }).join("") |
| 4757 | | - + "]/"; |
| 4758 | | - } else { |
| 4759 | | - /* |
| 4760 | | - * Stupid IE considers regexps /[]/ and /[^]/ syntactically invalid, so |
| 4761 | | - * we translate them into euqivalents it can handle. |
| 4762 | | - */ |
| 4763 | | - var regexp = node.inverted ? "/^[\\S\\s]/" : "/^(?!)/"; |
| 4764 | | - } |
| 4765 | | - |
| 4766 | | - return formatCode( |
| 4767 | | - "if (input.substr(pos).match(${regexp}) !== null) {", |
| 4768 | | - " var ${resultVar} = input.charAt(pos);", |
| 4769 | | - " pos++;", |
| 4770 | | - "} else {", |
| 4771 | | - " var ${resultVar} = null;", |
| 4772 | | - " if (reportMatchFailures) {", |
| 4773 | | - " matchFailed(${rawText|string});", |
| 4774 | | - " }", |
| 4775 | | - "}", |
| 4776 | | - { |
| 4777 | | - regexp: regexp, |
| 4778 | | - rawText: node.rawText, |
| 4779 | | - resultVar: resultVar |
| 4780 | | - } |
| 4781 | | - ); |
| 4782 | | - } |
| 4783 | | - }); |
| 4784 | | - |
| 4785 | | - return emit(ast); |
| 4786 | | -}; |
| 4787 | | - |
| 4788 | | -if (typeof module === "object") { |
| 4789 | | - module.exports = PEG; |
| 4790 | | -} else if (typeof window === "object") { |
| 4791 | | - window.PEG = PEG; |
| 4792 | | -} else { |
| 4793 | | - throw new Error("Can't export PEG library (no \"module\" nor \"window\" object detected)."); |
| 4794 | | -} |
| 4795 | | - |
| 4796 | | -})(); |