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cube-notation-normalizer

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Parse and "normalize" Rubik's Cube algorithm notations

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/* * Generated by PEG.js 0.10.0. * * http://pegjs.org/ */ "use strict"; function peg$subclass(child, parent) { function ctor() { this.constructor = child; } ctor.prototype = parent.prototype; child.prototype = new ctor(); } function peg$SyntaxError(message, expected, found, location) { this.message = message; this.expected = expected; this.found = found; this.location = location; this.name = "SyntaxError"; if (typeof Error.captureStackTrace === "function") { Error.captureStackTrace(this, peg$SyntaxError); } } peg$subclass(peg$SyntaxError, Error); peg$SyntaxError.buildMessage = function(expected, found) { var DESCRIBE_EXPECTATION_FNS = { literal: function(expectation) { return "\"" + literalEscape(expectation.text) + "\""; }, "class": function(expectation) { var escapedParts = "", i; for (i = 0; i < expectation.parts.length; i++) { escapedParts += expectation.parts[i] instanceof Array ? classEscape(expectation.parts[i][0]) + "-" + classEscape(expectation.parts[i][1]) : classEscape(expectation.parts[i]); } return "[" + (expectation.inverted ? "^" : "") + escapedParts + "]"; }, any: function(expectation) { return "any character"; }, end: function(expectation) { return "end of input"; }, other: function(expectation) { return expectation.description; } }; function hex(ch) { return ch.charCodeAt(0).toString(16).toUpperCase(); } function literalEscape(s) { return s .replace(/\\/g, '\\\\') .replace(/"/g, '\\"') .replace(/\0/g, '\\0') .replace(/\t/g, '\\t') .replace(/\n/g, '\\n') .replace(/\r/g, '\\r') .replace(/[\x00-\x0F]/g, function(ch) { return '\\x0' + hex(ch); }) .replace(/[\x10-\x1F\x7F-\x9F]/g, function(ch) { return '\\x' + hex(ch); }); } function classEscape(s) { return s .replace(/\\/g, '\\\\') .replace(/\]/g, '\\]') .replace(/\^/g, '\\^') .replace(/-/g, '\\-') .replace(/\0/g, '\\0') .replace(/\t/g, '\\t') .replace(/\n/g, '\\n') .replace(/\r/g, '\\r') .replace(/[\x00-\x0F]/g, function(ch) { return '\\x0' + hex(ch); }) .replace(/[\x10-\x1F\x7F-\x9F]/g, function(ch) { return '\\x' + hex(ch); }); } function describeExpectation(expectation) { return DESCRIBE_EXPECTATION_FNS[expectation.type](expectation); } function describeExpected(expected) { var descriptions = new Array(expected.length), i, j; for (i = 0; i < expected.length; i++) { descriptions[i] = describeExpectation(expected[i]); } descriptions.sort(); if (descriptions.length > 0) { for (i = 1, j = 1; i < descriptions.length; i++) { if (descriptions[i - 1] !== descriptions[i]) { descriptions[j] = descriptions[i]; j++; } } descriptions.length = j; } switch (descriptions.length) { case 1: return descriptions[0]; case 2: return descriptions[0] + " or " + descriptions[1]; default: return descriptions.slice(0, -1).join(", ") + ", or " + descriptions[descriptions.length - 1]; } } function describeFound(found) { return found ? "\"" + literalEscape(found) + "\"" : "end of input"; } return "Expected " + describeExpected(expected) + " but " + describeFound(found) + " found."; }; function peg$parse(input, options) { options = options !== void 0 ? options : {}; var peg$FAILED = {}, peg$startRuleFunctions = { Alg: peg$parseAlg }, peg$startRuleFunction = peg$parseAlg, peg$c0 = function(head, tail) { return head + tail }, peg$c1 = function(term) { return term }, peg$c2 = function() { return "" }, peg$c3 = function(g, o) { return o }, peg$c4 = function(g, opes) { return helper.operate(g, opes) }, peg$c5 = "(", peg$c6 = peg$literalExpectation("(", false), peg$c7 = ")", peg$c8 = peg$literalExpectation(")", false), peg$c9 = function(a) { return a }, peg$c10 = "[", peg$c11 = peg$literalExpectation("[", false), peg$c12 = ":", peg$c13 = peg$literalExpectation(":", false), peg$c14 = "]", peg$c15 = peg$literalExpectation("]", false), peg$c16 = function(a, b) { return helper.conjugate(a, b) }, peg$c17 = ",", peg$c18 = peg$literalExpectation(",", false), peg$c19 = function(a, b) { return helper.commutator(a, b) }, peg$c20 = peg$otherExpectation("\"'\""), peg$c21 = /^['`\xB4\u02BC\u2019\u2032i]/, peg$c22 = peg$classExpectation(["'", "`", "\xB4", "\u02BC", "\u2019", "\u2032", "i"], false, false), peg$c23 = function() { return -1 }, peg$c24 = peg$otherExpectation("number"), peg$c25 = /^[*\^]/, peg$c26 = peg$classExpectation(["*", "^"], false, false), peg$c27 = function(count) { return count }, peg$c28 = /^[0-9]/, peg$c29 = peg$classExpectation([["0", "9"]], false, false), peg$c30 = function(digits) { return parseInt(digits, 10) }, peg$c31 = peg$otherExpectation("face letter"), peg$c32 = /^[RUFLDB]/, peg$c33 = peg$classExpectation(["R", "U", "F", "L", "D", "B"], false, false), peg$c34 = "w", peg$c35 = peg$literalExpectation("w", false), peg$c36 = function(face) { return face.toLowerCase() }, peg$c37 = /^[RUFLDBMESrufldbxyz]/, peg$c38 = peg$classExpectation(["R", "U", "F", "L", "D", "B", "M", "E", "S", "r", "u", "f", "l", "d", "b", "x", "y", "z"], false, false), peg$c39 = function() { return }, peg$c40 = peg$otherExpectation("comment"), peg$c41 = "//", peg$c42 = peg$literalExpectation("//", false), peg$c43 = /^[\r\n]/, peg$c44 = peg$classExpectation(["\r", "\n"], false, false), peg$c45 = peg$anyExpectation(), peg$c46 = "/*", peg$c47 = peg$literalExpectation("/*", false), peg$c48 = "*/", peg$c49 = peg$literalExpectation("*/", false), peg$c50 = peg$otherExpectation("whitespace"), peg$c51 = /^[ .\t\r\n]/, peg$c52 = peg$classExpectation([" ", ".", "\t", "\r", "\n"], false, false), peg$currPos = 0, peg$savedPos = 0, peg$posDetailsCache = [{ line: 1, column: 1 }], peg$maxFailPos = 0, peg$maxFailExpected = [], peg$silentFails = 0, peg$result; if ("startRule" in options) { if (!(options.startRule in peg$startRuleFunctions)) { throw new Error("Can't start parsing from rule \"" + options.startRule + "\"."); } peg$startRuleFunction = peg$startRuleFunctions[options.startRule]; } function text() { return input.substring(peg$savedPos, peg$currPos); } function location() { return peg$computeLocation(peg$savedPos, peg$currPos); } function expected(description, location) { location = location !== void 0 ? location : peg$computeLocation(peg$savedPos, peg$currPos) throw peg$buildStructuredError( [peg$otherExpectation(description)], input.substring(peg$savedPos, peg$currPos), location ); } function error(message, location) { location = location !== void 0 ? location : peg$computeLocation(peg$savedPos, peg$currPos) throw peg$buildSimpleError(message, location); } function peg$literalExpectation(text, ignoreCase) { return { type: "literal", text: text, ignoreCase: ignoreCase }; } function peg$classExpectation(parts, inverted, ignoreCase) { return { type: "class", parts: parts, inverted: inverted, ignoreCase: ignoreCase }; } function peg$anyExpectation() { return { type: "any" }; } function peg$endExpectation() { return { type: "end" }; } function peg$otherExpectation(description) { return { type: "other", description: description }; } function peg$computePosDetails(pos) { var details = peg$posDetailsCache[pos], p; if (details) { return details; } else { p = pos - 1; while (!peg$posDetailsCache[p]) { p--; } details = peg$posDetailsCache[p]; details = { line: details.line, column: details.column }; while (p < pos) { if (input.charCodeAt(p) === 10) { details.line++; details.column = 1; } else { details.column++; } p++; } peg$posDetailsCache[pos] = details; return details; } } function peg$computeLocation(startPos, endPos) { var startPosDetails = peg$computePosDetails(startPos), endPosDetails = peg$computePosDetails(endPos); return { start: { offset: startPos, line: startPosDetails.line, column: startPosDetails.column }, end: { offset: endPos, line: endPosDetails.line, column: endPosDetails.column } }; } function peg$fail(expected) { if (peg$currPos < peg$maxFailPos) { return; } if (peg$currPos > peg$maxFailPos) { peg$maxFailPos = peg$currPos; peg$maxFailExpected = []; } peg$maxFailExpected.push(expected); } function peg$buildSimpleError(message, location) { return new peg$SyntaxError(message, null, null, location); } function peg$buildStructuredError(expected, found, location) { return new peg$SyntaxError( peg$SyntaxError.buildMessage(expected, found), expected, found, location ); } function peg$parseAlg() { var s0, s1, s2, s3, s4, s5; s0 = peg$currPos; s1 = peg$parse_(); if (s1 !== peg$FAILED) { s2 = peg$parseTerm(); if (s2 !== peg$FAILED) { s3 = peg$parse_(); if (s3 !== peg$FAILED) { s4 = peg$parseAlg(); if (s4 !== peg$FAILED) { s5 = peg$parse_(); if (s5 !== peg$FAILED) { peg$savedPos = s0; s1 = peg$c0(s2, s4); s0 = s1; } else { peg$currPos = s0; s0 = peg$FAILED; } } else { peg$currPos = s0; s0 = peg$FAILED; } } else { peg$currPos = s0; s0 = peg$FAILED; } } else { peg$currPos = s0; s0 = peg$FAILED; } } else { peg$currPos = s0; s0 = peg$FAILED; } if (s0 === peg$FAILED) { s0 = peg$currPos; s1 = peg$parse_(); if (s1 !== peg$FAILED) { s2 = peg$parseTerm(); if (s2 !== peg$FAILED) { s3 = peg$parse_(); if (s3 !== peg$FAILED) { peg$savedPos = s0; s1 = peg$c1(s2); s0 = s1; } else { peg$currPos = s0; s0 = peg$FAILED; } } else { peg$currPos = s0; s0 = peg$FAILED; } } else { peg$currPos = s0; s0 = peg$FAILED; } if (s0 === peg$FAILED) { s0 = peg$currPos; s1 = peg$parse_(); if (s1 !== peg$FAILED) { peg$savedPos = s0; s1 = peg$c2(); } s0 = s1; } } return s0; } function peg$parseTerm() { var s0, s1, s2, s3, s4, s5; s0 = peg$currPos; s1 = peg$parseGroup(); if (s1 !== peg$FAILED) { s2 = []; s3 = peg$currPos; s4 = peg$parse_(); if (s4 !== peg$FAILED) { s5 = peg$parseOperator(); if (s5 !== peg$FAILED) { peg$savedPos = s3; s4 = peg$c3(s1, s5); s3 = s4; } else { peg$currPos = s3; s3 = peg$FAILED; } } else { peg$currPos = s3; s3 = peg$FAILED; } while (s3 !== peg$FAILED) { s2.push(s3); s3 = peg$currPos; s4 = peg$parse_(); if (s4 !== peg$FAILED) { s5 = peg$parseOperator(); if (s5 !== peg$FAILED) { peg$savedPos = s3; s4 = peg$c3(s1, s5); s3 = s4; } else { peg$currPos = s3; s3 = peg$FAILED; } } else { peg$currPos = s3; s3 = peg$FAILED; } } if (s2 !== peg$FAILED) { peg$savedPos = s0; s1 = peg$c4(s1, s2); s0 = s1; } else { peg$currPos = s0; s0 = peg$FAILED; } } else { peg$currPos = s0; s0 = peg$FAILED; } return s0; } function peg$parseGroup() { var s0, s1, s2, s3; s0 = peg$parseConjugate(); if (s0 === peg$FAILED) { s0 = peg$parseCommutator(); if (s0 === peg$FAILED) { s0 = peg$currPos; if (input.charCodeAt(peg$currPos) === 40) { s1 = peg$c5; peg$currPos++; } else { s1 = peg$FAILED; if (peg$silentFails === 0) { peg$fail(peg$c6); } } if (s1 !== peg$FAILED) { s2 = peg$parseAlg(); if (s2 !== peg$FAILED) { if (input.charCodeAt(peg$currPos) === 41) { s3 = peg$c7; peg$currPos++; } else { s3 = peg$FAILED; if (peg$silentFails === 0) { peg$fail(peg$c8); } } if (s3 !== peg$FAILED) { peg$savedPos = s0; s1 = peg$c9(s2); s0 = s1; } else { peg$currPos = s0; s0 = peg$FAILED; } } else { peg$currPos = s0; s0 = peg$FAILED; } } else { peg$currPos = s0; s0 = peg$FAILED; } if (s0 === peg$FAILED) { s0 = peg$parseFace(); } } } return s0; } function peg$parseConjugate() { var s0, s1, s2, s3, s4, s5; s0 = peg$currPos; if (input.charCodeAt(peg$currPos) === 91) { s1 = peg$c10; peg$currPos++; } else { s1 = peg$FAILED; if (peg$silentFails === 0) { peg$fail(peg$c11); } } if (s1 !== peg$FAILED) { s2 = peg$parseAlg(); if (s2 !== peg$FAILED) { if (input.charCodeAt(peg$currPos) === 58) { s3 = peg$c12; peg$currPos++; } else { s3 = peg$FAILED; if (peg$silentFails === 0) { peg$fail(peg$c13); } } if (s3 !== peg$FAILED) { s4 = peg$parseAlg(); if (s4 !== peg$FAILED) { if (input.charCodeAt(peg$currPos) === 93) { s5 = peg$c14; peg$currPos++; } else { s5 = peg$FAILED; if (peg$silentFails === 0) { peg$fail(peg$c15); } } if (s5 !== peg$FAILED) { peg$savedPos = s0; s1 = peg$c16(s2, s4); s0 = s1; } else { peg$currPos = s0; s0 = peg$FAILED; } } else { peg$currPos = s0; s0 = peg$FAILED; } } else { peg$currPos = s0; s0 = peg$FAILED; } } else { peg$currPos = s0; s0 = peg$FAILED; } } else { peg$currPos = s0; s0 = peg$FAILED; } return s0; } function peg$parseCommutator() { var s0, s1, s2, s3, s4, s5; s0 = peg$currPos; if (input.charCodeAt(peg$currPos) === 91) { s1 = peg$c10; peg$currPos++; } else { s1 = peg$FAILED; if (peg$silentFails === 0) { peg$fail(peg$c11); } } if (s1 !== peg$FAILED) { s2 = peg$parseAlg(); if (s2 !== peg$FAILED) { if (input.charCodeAt(peg$currPos) === 44) { s3 = peg$c17; peg$currPos++; } else { s3 = peg$FAILED; if (peg$silentFails === 0) { peg$fail(peg$c18); } } if (s3 !== peg$FAILED) { s4 = peg$parseAlg(); if (s4 !== peg$FAILED) { if (input.charCodeAt(peg$currPos) === 93) { s5 = peg$c14; peg$currPos++; } else { s5 = peg$FAILED; if (peg$silentFails === 0) { peg$fail(peg$c15); } } if (s5 !== peg$FAILED) { peg$savedPos = s0; s1 = peg$c19(s2, s4); s0 = s1; } else { peg$currPos = s0; s0 = peg$FAILED; } } else { peg$currPos = s0; s0 = peg$FAILED; } } else { peg$currPos = s0; s0 = peg$FAILED; } } else { peg$currPos = s0; s0 = peg$FAILED; } } else { peg$currPos = s0; s0 = peg$FAILED; } return s0; } function peg$parseOperator() { var s0; s0 = peg$parseRepetition(); if (s0 === peg$FAILED) { s0 = peg$parsePrime(); } return s0; } function peg$parsePrime() { var s0, s1; peg$silentFails++; s0 = peg$currPos; if (peg$c21.test(input.charAt(peg$currPos))) { s1 = input.charAt(peg$currPos); peg$currPos++; } else { s1 = peg$FAILED; if (peg$silentFails === 0) { peg$fail(peg$c22); } } if (s1 !== peg$FAILED) { peg$savedPos = s0; s1 = peg$c23(); } s0 = s1; peg$silentFails--; if (s0 === peg$FAILED) { s1 = peg$FAILED; if (peg$silentFails === 0) { peg$fail(peg$c20); } } return s0; } function peg$parseRepetition() { var s0, s1, s2, s3; peg$silentFails++; s0 = peg$currPos; if (peg$c25.test(input.charAt(peg$currPos))) { s1 = input.charAt(peg$currPos); peg$currPos++; } else { s1 = peg$FAILED; if (peg$silentFails === 0) { peg$fail(peg$c26); } } if (s1 !== peg$FAILED) { s2 = peg$parse_(); if (s2 !== peg$FAILED) { s3 = peg$parseInteger(); if (s3 !== peg$FAILED) { peg$savedPos = s0; s1 = peg$c27(s3); s0 = s1; } else { peg$currPos = s0; s0 = peg$FAILED; } } else { peg$currPos = s0; s0 = peg$FAILED; } } else { peg$currPos = s0; s0 = peg$FAILED; } if (s0 === peg$FAILED) { s0 = peg$currPos; s1 = peg$parseInteger(); if (s1 !== peg$FAILED) { peg$savedPos = s0; s1 = peg$c27(s1); } s0 = s1; } peg$silentFails--; if (s0 === peg$FAILED) { s1 = peg$FAILED; if (peg$silentFails === 0) { peg$fail(peg$c24); } } return s0; } function peg$parseInteger() { var s0, s1, s2, s3; s0 = peg$currPos; s1 = peg$currPos; s2 = []; if (peg$c28.test(input.charAt(peg$currPos))) { s3 = input.charAt(peg$currPos); peg$currPos++; } else { s3 = peg$FAILED; if (peg$silentFails === 0) { peg$fail(peg$c29); } } if (s3 !== peg$FAILED) { while (s3 !== peg$FAILED) { s2.push(s3); if (peg$c28.test(input.charAt(peg$currPos))) { s3 = input.charAt(peg$currPos); peg$currPos++; } else { s3 = peg$FAILED; if (peg$silentFails === 0) { peg$fail(peg$c29); } } } } else { s2 = peg$FAILED; } if (s2 !== peg$FAILED) { s1 = input.substring(s1, peg$currPos); } else { s1 = s2; } if (s1 !== peg$FAILED) { peg$savedPos = s0; s1 = peg$c30(s1); } s0 = s1; return s0; } function peg$parseFace() { var s0, s1, s2; peg$silentFails++; s0 = peg$currPos; if (peg$c32.test(input.charAt(peg$currPos))) { s1 = input.charAt(peg$currPos); peg$currPos++; } else { s1 = peg$FAILED; if (peg$silentFails === 0) { peg$fail(peg$c33); } } if (s1 !== peg$FAILED) { if (input.charCodeAt(peg$currPos) === 119) { s2 = peg$c34; peg$currPos++; } else { s2 = peg$FAILED; if (peg$silentFails === 0) { peg$fail(peg$c35); } } if (s2 !== peg$FAILED) { peg$savedPos = s0; s1 = peg$c36(s1); s0 = s1; } else { peg$currPos = s0; s0 = peg$FAILED; } } else { peg$currPos = s0; s0 = peg$FAILED; } if (s0 === peg$FAILED) { if (peg$c37.test(input.charAt(peg$currPos))) { s0 = input.charAt(peg$currPos); peg$currPos++; } else { s0 = peg$FAILED; if (peg$silentFails === 0) { peg$fail(peg$c38); } } } peg$silentFails--; if (s0 === peg$FAILED) { s1 = peg$FAILED; if (peg$silentFails === 0) { peg$fail(peg$c31); } } return s0; } function peg$parse_() { var s0, s1, s2; s0 = peg$currPos; s1 = []; s2 = peg$parseComment(); if (s2 === peg$FAILED) { s2 = peg$parseWhitespace(); } while (s2 !== peg$FAILED) { s1.push(s2); s2 = peg$parseComment(); if (s2 === peg$FAILED) { s2 = peg$parseWhitespace(); } } if (s1 !== peg$FAILED) { peg$savedPos = s0; s1 = peg$c39(); } s0 = s1; return s0; } function peg$parseComment() { var s0, s1, s2, s3, s4, s5; peg$silentFails++; s0 = peg$currPos; if (input.substr(peg$currPos, 2) === peg$c41) { s1 = peg$c41; peg$currPos += 2; } else { s1 = peg$FAILED; if (peg$silentFails === 0) { peg$fail(peg$c42); } } if (s1 !== peg$FAILED) { s2 = []; s3 = peg$currPos; s4 = peg$currPos; peg$silentFails++; if (peg$c43.test(input.charAt(peg$currPos))) { s5 = input.charAt(peg$currPos); peg$currPos++; } else { s5 = peg$FAILED; if (peg$silentFails === 0) { peg$fail(peg$c44); } } peg$silentFails--; if (s5 === peg$FAILED) { s4 = void 0; } else { peg$currPos = s4; s4 = peg$FAILED; } if (s4 !== peg$FAILED) { if (input.length > peg$currPos) { s5 = input.charAt(peg$currPos); peg$currPos++; } else { s5 = peg$FAILED; if (peg$silentFails === 0) { peg$fail(peg$c45); } } if (s5 !== peg$FAILED) { s4 = [s4, s5]; s3 = s4; } else { peg$currPos = s3; s3 = peg$FAILED; } } else { peg$currPos = s3; s3 = peg$FAILED; } while (s3 !== peg$FAILED) { s2.push(s3); s3 = peg$currPos; s4 = peg$currPos; peg$silentFails++; if (peg$c43.test(input.charAt(peg$currPos))) { s5 = input.charAt(peg$currPos); peg$currPos++; } else { s5 = peg$FAILED; if (peg$silentFails === 0) { peg$fail(peg$c44); } } peg$silentFails--; if (s5 === peg$FAILED) { s4 = void 0; } else { peg$currPos = s4; s4 = peg$FAILED; } if (s4 !== peg$FAILED) { if (input.length > peg$currPos) { s5 = input.charAt(peg$currPos); peg$currPos++; } else { s5 = peg$FAILED; if (peg$silentFails === 0) { peg$fail(peg$c45); } } if (s5 !== peg$FAILED) { s4 = [s4, s5]; s3 = s4; } else { peg$currPos = s3; s3 = peg$FAILED; } } else { peg$currPos = s3; s3 = peg$FAILED; } } if (s2 !== peg$FAILED) { s1 = [s1, s2]; s0 = s1; } else { peg$currPos = s0; s0 = peg$FAILED; } } else { peg$currPos = s0; s0 = peg$FAILED; } if (s0 === peg$FAILED) { s0 = peg$currPos; if (input.substr(peg$currPos, 2) === peg$c46) { s1 = peg$c46; peg$currPos += 2; } else { s1 = peg$FAILED; if (peg$silentFails === 0) { peg$fail(peg$c47); } } if (s1 !== peg$FAILED) { s2 = []; s3 = peg$currPos; s4 = peg$currPos; peg$silentFails++; if (input.substr(peg$currPos, 2) === peg$c48) { s5 = peg$c48; peg$currPos += 2; } else { s5 = peg$FAILED; if (peg$silentFails === 0) { peg$fail(peg$c49); } } peg$silentFails--; if (s5 === peg$FAILED) { s4 = void 0; } else { peg$currPos = s4; s4 = peg$FAILED; } if (s4 !== peg$FAILED) { if (input.length > peg$currPos) { s5 = input.charAt(peg$currPos); peg$currPos++; } else { s5 = peg$FAILED; if (peg$silentFails === 0) { peg$fail(peg$c45); } } if (s5 !== peg$FAILED) { s4 = [s4, s5]; s3 = s4; } else { peg$currPos = s3; s3 = peg$FAILED; } } else { peg$currPos = s3; s3 = peg$FAILED; } while (s3 !== peg$FAILED) { s2.push(s3); s3 = peg$currPos; s4 = peg$currPos; peg$silentFails++; if (input.substr(peg$currPos, 2) === peg$c48) { s5 = peg$c48; peg$currPos += 2; } else { s5 = peg$FAILED; if (peg$silentFails === 0) { peg$fail(peg$c49); } } peg$silentFails--; if (s5 === peg$FAILED) { s4 = void 0; } else { peg$currPos = s4; s4 = peg$FAILED; } if (s4 !== peg$FAILED) { if (input.length > peg$currPos) { s5 = input.charAt(peg$currPos); peg$currPos++; } else { s5 = peg$FAILED; if (peg$silentFails === 0) { peg$fail(peg$c45); } } if (s5 !== peg$FAILED) { s4 = [s4, s5]; s3 = s4; } else { peg$currPos = s3; s3 = peg$FAILED; } } else { peg$currPos = s3; s3 = peg$FAILED; } } if (s2 !== peg$FAILED) { if (input.substr(peg$currPos, 2) === peg$c48) { s3 = peg$c48; peg$currPos += 2; } else { s3 = peg$FAILED; if (peg$silentFails === 0) { peg$fail(peg$c49); } } if (s3 !== peg$FAILED) { s1 = [s1, s2, s3]; s0 = s1; } else { peg$currPos = s0; s0 = peg$FAILED; } } else { peg$currPos = s0; s0 = peg$FAILED; } } else { peg$currPos = s0; s0 = peg$FAILED; } } peg$silentFails--; if (s0 === peg$FAILED) { s1 = peg$FAILED; if (peg$silentFails === 0) { peg$fail(peg$c40); } } return s0; } function peg$parseWhitespace() { var s0, s1; peg$silentFails++; s0 = []; if (peg$c51.test(input.charAt(peg$currPos))) { s1 = input.charAt(peg$currPos); peg$currPos++; } else { s1 = peg$FAILED; if (peg$silentFails === 0) { peg$fail(peg$c52); } } if (s1 !== peg$FAILED) { while (s1 !== peg$FAILED) { s0.push(s1); if (peg$c51.test(input.charAt(peg$currPos))) { s1 = input.charAt(peg$currPos); peg$currPos++; } else { s1 = peg$FAILED; if (peg$silentFails === 0) { peg$fail(peg$c52); } } } } else { s0 = peg$FAILED; } peg$silentFails--; if (s0 === peg$FAILED) { s1 = peg$FAILED; if (peg$silentFails === 0) { peg$fail(peg$c50); } } return s0; } var helper = require('./helper.js') peg$result = peg$startRuleFunction(); if (peg$result !== peg$FAILED && peg$currPos === input.length) { return peg$result; } else { if (peg$result !== peg$FAILED && peg$currPos < input.length) { peg$fail(peg$endExpectation()); } throw peg$buildStructuredError( peg$maxFailExpected, peg$maxFailPos < input.length ? input.charAt(peg$maxFailPos) : null, peg$maxFailPos < input.length ? peg$computeLocation(peg$maxFailPos, peg$maxFailPos + 1) : peg$computeLocation(peg$maxFailPos, peg$maxFailPos) ); } } module.exports = { SyntaxError: peg$SyntaxError, parse: peg$parse };