/* * 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$startRuleFunctions = { start: peg$parsestart }, peg$startRuleFunction = peg$parsestart, peg$c0 = function(expr) { let node = { $name: null, $relation: null, $modify: [], $recursive: false, $allRecursive: false }; if (expr.$name === '*') { node.$allRecursive = true; } else { node[expr.$name] = expr; } return node; }, peg$c1 = function(list) { let node = { $name: null, $relation: null, $modify: [], $recursive: false, $allRecursive: false }; list.forEach(expr => { node[expr.$name] = expr; }); return node; }, peg$c2 = function(name, args, alias, list) { let node = { $name: alias || name, $relation: name, $modify: args || [], $recursive: false, $allRecursive: false }; list.forEach(expr => { node[expr.$name] = expr; }); return node; }, peg$c3 = function(name, args, alias, expr) { let node = { $name: alias || name, $relation: name, $modify: args || [], $recursive: false, $allRecursive: false }; if (expr) { const match = /^\^(\d*)$/.exec(expr.$name); if (match) { if (match[1]) { node.$recursive = parseInt(match[1], 10); } else { node.$recursive = true; } } else if (expr.$name === '*') { node.$allRecursive = true; } else { node[expr.$name] = expr; } } return node; }, peg$c4 = 'as', peg$c5 = peg$literalExpectation('as', false), peg$c6 = function(alias) { return alias; }, peg$c7 = function(name) { return name.join(''); }, peg$c8 = /^[^[\](),. \t\r\n]/, peg$c9 = peg$classExpectation( ['[', ']', '(', ')', ',', '.', ' ', '\t', '\r', '\n'], true, false ), peg$c10 = '(', peg$c11 = peg$literalExpectation('(', false), peg$c12 = ')', peg$c13 = peg$literalExpectation(')', false), peg$c14 = function(args) { return args; }, peg$c15 = ',', peg$c16 = peg$literalExpectation(',', false), peg$c17 = function(arg) { return arg; }, peg$c18 = /^[ \t\r\n]/, peg$c19 = peg$classExpectation([' ', '\t', '\r', '\n'], false, false), peg$c20 = '.', peg$c21 = peg$literalExpectation('.', false), peg$c22 = function(list) { return list; }, peg$c23 = '[', peg$c24 = peg$literalExpectation('[', false), peg$c25 = ']', peg$c26 = peg$literalExpectation(']', false), peg$c27 = function(items) { return items; }, peg$c28 = function(expr) { return expr; }, peg$c29 = function(sub) { return sub; }, peg$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$parsestart() { var s0, s1; s0 = peg$currPos; s1 = peg$parseexpression(); if (s1 !== peg$FAILED) { peg$savedPos = s0; s1 = peg$c0(s1); } s0 = s1; if (s0 === peg$FAILED) { s0 = peg$currPos; s1 = peg$parselistExpression(); if (s1 !== peg$FAILED) { peg$savedPos = s0; s1 = peg$c1(s1); } s0 = s1; } return s0; } function peg$parseexpression() { var s0, s1, s2, s3, s4; s0 = peg$currPos; s1 = peg$parsename(); if (s1 !== peg$FAILED) { s2 = peg$parseargs(); if (s2 === peg$FAILED) { s2 = null; } if (s2 !== peg$FAILED) { s3 = peg$parsealias(); if (s3 === peg$FAILED) { s3 = null; } if (s3 !== peg$FAILED) { s4 = peg$parsesubListExpression(); if (s4 !== peg$FAILED) { peg$savedPos = s0; s1 = peg$c2(s1, s2, s3, 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; } if (s0 === peg$FAILED) { s0 = peg$currPos; s1 = peg$parsename(); if (s1 !== peg$FAILED) { s2 = peg$parseargs(); if (s2 === peg$FAILED) { s2 = null; } if (s2 !== peg$FAILED) { s3 = peg$parsealias(); if (s3 === peg$FAILED) { s3 = null; } if (s3 !== peg$FAILED) { s4 = peg$parsesubExpression(); if (s4 === peg$FAILED) { s4 = null; } if (s4 !== peg$FAILED) { peg$savedPos = s0; s1 = peg$c3(s1, s2, s3, s4); s0 = s1; } else { peg$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$FAILED; } } return s0; } function peg$parsealias() { var s0, s1, s2, s3, s4; s0 = peg$currPos; s1 = []; s2 = peg$parsews(); if (s2 !== peg$FAILED) { while (s2 !== peg$FAILED) { s1.push(s2); s2 = peg$parsews(); } } else { s1 = peg$FAILED; } if (s1 !== peg$FAILED) { if (input.substr(peg$currPos, 2) === peg$c4) { s2 = peg$c4; peg$currPos += 2; } else { s2 = peg$FAILED; if (peg$silentFails === 0) { peg$fail(peg$c5); } } if (s2 !== peg$FAILED) { s3 = []; s4 = peg$parsews(); if (s4 !== peg$FAILED) { while (s4 !== peg$FAILED) { s3.push(s4); s4 = peg$parsews(); } } else { s3 = peg$FAILED; } if (s3 !== peg$FAILED) { s4 = peg$parsename(); if (s4 !== peg$FAILED) { peg$savedPos = s0; s1 = peg$c6(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; } return s0; } function peg$parsename() { var s0, s1, s2; s0 = peg$currPos; s1 = []; s2 = peg$parsechar(); if (s2 !== peg$FAILED) { while (s2 !== peg$FAILED) { s1.push(s2); s2 = peg$parsechar(); } } else { s1 = peg$FAILED; } if (s1 !== peg$FAILED) { peg$savedPos = s0; s1 = peg$c7(s1); } s0 = s1; return s0; } function peg$parsechar() { var s0; if (peg$c8.test(input.charAt(peg$currPos))) { s0 = input.charAt(peg$currPos); peg$currPos++; } else { s0 = peg$FAILED; if (peg$silentFails === 0) { peg$fail(peg$c9); } } return s0; } function peg$parseargs() { var s0, s1, s2, s3, s4, s5; s0 = peg$currPos; s1 = []; s2 = peg$parsews(); while (s2 !== peg$FAILED) { s1.push(s2); s2 = peg$parsews(); } if (s1 !== peg$FAILED) { if (input.charCodeAt(peg$currPos) === 40) { s2 = peg$c10; peg$currPos++; } else { s2 = peg$FAILED; if (peg$silentFails === 0) { peg$fail(peg$c11); } } if (s2 !== peg$FAILED) { s3 = []; s4 = peg$parseargListItem(); while (s4 !== peg$FAILED) { s3.push(s4); s4 = peg$parseargListItem(); } if (s3 !== peg$FAILED) { s4 = []; s5 = peg$parsews(); while (s5 !== peg$FAILED) { s4.push(s5); s5 = peg$parsews(); } if (s4 !== peg$FAILED) { if (input.charCodeAt(peg$currPos) === 41) { s5 = peg$c12; peg$currPos++; } else { s5 = peg$FAILED; if (peg$silentFails === 0) { peg$fail(peg$c13); } } if (s5 !== peg$FAILED) { peg$savedPos = s0; s1 = peg$c14(s3); s0 = s1; } else { peg$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$FAILED; } return s0; } function peg$parseargListItem() { var s0, s1, s2, s3, s4; s0 = peg$currPos; s1 = []; s2 = peg$parsews(); while (s2 !== peg$FAILED) { s1.push(s2); s2 = peg$parsews(); } if (s1 !== peg$FAILED) { s2 = peg$parsename(); if (s2 !== peg$FAILED) { s3 = []; s4 = peg$parsews(); while (s4 !== peg$FAILED) { s3.push(s4); s4 = peg$parsews(); } if (s3 !== peg$FAILED) { if (input.charCodeAt(peg$currPos) === 44) { s4 = peg$c15; peg$currPos++; } else { s4 = peg$FAILED; if (peg$silentFails === 0) { peg$fail(peg$c16); } } if (s4 === peg$FAILED) { s4 = null; } if (s4 !== peg$FAILED) { peg$savedPos = s0; s1 = peg$c17(s2); 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; } return s0; } function peg$parsews() { var s0; if (peg$c18.test(input.charAt(peg$currPos))) { s0 = input.charAt(peg$currPos); peg$currPos++; } else { s0 = peg$FAILED; if (peg$silentFails === 0) { peg$fail(peg$c19); } } return s0; } function peg$parsesubListExpression() { var s0, s1, s2, s3; s0 = peg$currPos; s1 = []; s2 = peg$parsews(); while (s2 !== peg$FAILED) { s1.push(s2); s2 = peg$parsews(); } if (s1 !== peg$FAILED) { if (input.charCodeAt(peg$currPos) === 46) { s2 = peg$c20; peg$currPos++; } else { s2 = peg$FAILED; if (peg$silentFails === 0) { peg$fail(peg$c21); } } if (s2 !== peg$FAILED) { s3 = peg$parselistExpression(); if (s3 !== peg$FAILED) { peg$savedPos = s0; s1 = peg$c22(s3); s0 = s1; } else { peg$currPos = s0; s0 = peg$FAILED; } } else { peg$currPos = s0; s0 = peg$FAILED; } } else { peg$currPos = s0; s0 = peg$FAILED; } return s0; } function peg$parselistExpression() { var s0, s1, s2, s3, s4, s5, s6, s7; s0 = peg$currPos; s1 = []; s2 = peg$parsews(); while (s2 !== peg$FAILED) { s1.push(s2); s2 = peg$parsews(); } if (s1 !== peg$FAILED) { if (input.charCodeAt(peg$currPos) === 91) { s2 = peg$c23; peg$currPos++; } else { s2 = peg$FAILED; if (peg$silentFails === 0) { peg$fail(peg$c24); } } if (s2 !== peg$FAILED) { s3 = []; s4 = peg$parselistExpressionItem(); while (s4 !== peg$FAILED) { s3.push(s4); s4 = peg$parselistExpressionItem(); } if (s3 !== peg$FAILED) { s4 = []; s5 = peg$parsews(); while (s5 !== peg$FAILED) { s4.push(s5); s5 = peg$parsews(); } if (s4 !== peg$FAILED) { if (input.charCodeAt(peg$currPos) === 93) { s5 = peg$c25; peg$currPos++; } else { s5 = peg$FAILED; if (peg$silentFails === 0) { peg$fail(peg$c26); } } if (s5 !== peg$FAILED) { s6 = []; s7 = peg$parsews(); while (s7 !== peg$FAILED) { s6.push(s7); s7 = peg$parsews(); } if (s6 !== 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$FAILED; } } else { peg$currPos = s0; s0 = peg$FAILED; } } else { peg$currPos = s0; s0 = peg$FAILED; } } else { peg$currPos = s0; s0 = peg$FAILED; } return s0; } function peg$parselistExpressionItem() { var s0, s1, s2, s3, s4; s0 = peg$currPos; s1 = []; s2 = peg$parsews(); while (s2 !== peg$FAILED) { s1.push(s2); s2 = peg$parsews(); } if (s1 !== peg$FAILED) { s2 = peg$parseexpression(); if (s2 !== peg$FAILED) { s3 = []; s4 = peg$parsews(); while (s4 !== peg$FAILED) { s3.push(s4); s4 = peg$parsews(); } if (s3 !== peg$FAILED) { if (input.charCodeAt(peg$currPos) === 44) { s4 = peg$c15; peg$currPos++; } else { s4 = peg$FAILED; if (peg$silentFails === 0) { peg$fail(peg$c16); } } if (s4 === peg$FAILED) { s4 = null; } if (s4 !== peg$FAILED) { peg$savedPos = s0; s1 = peg$c28(s2); 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; } return s0; } function peg$parsesubExpression() { var s0, s1, s2, s3, s4, s5, s6; s0 = peg$currPos; s1 = []; s2 = peg$parsews(); while (s2 !== peg$FAILED) { s1.push(s2); s2 = peg$parsews(); } if (s1 !== peg$FAILED) { if (input.charCodeAt(peg$currPos) === 46) { s2 = peg$c20; peg$currPos++; } else { s2 = peg$FAILED; if (peg$silentFails === 0) { peg$fail(peg$c21); } } if (s2 !== peg$FAILED) { s3 = []; s4 = peg$parsews(); while (s4 !== peg$FAILED) { s3.push(s4); s4 = peg$parsews(); } if (s3 !== peg$FAILED) { s4 = peg$parseexpression(); if (s4 !== peg$FAILED) { s5 = []; s6 = peg$parsews(); while (s6 !== peg$FAILED) { s5.push(s6); s6 = peg$parsews(); } if (s5 !== peg$FAILED) { peg$savedPos = s0; s1 = peg$c29(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; } 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 };