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Diffstat (limited to 'tools/node_modules/eslint/node_modules/esquery')
5 files changed, 3037 insertions, 0 deletions
diff --git a/tools/node_modules/eslint/node_modules/esquery/README.md b/tools/node_modules/eslint/node_modules/esquery/README.md new file mode 100644 index 0000000000..a3ee33479d --- /dev/null +++ b/tools/node_modules/eslint/node_modules/esquery/README.md @@ -0,0 +1,26 @@ +ESQuery is a library for querying the AST output by Esprima for patterns of syntax using a CSS style selector system. Check out the demo: + +[demo](https://estools.github.io/esquery/) + +The following selectors are supported: +* AST node type: `ForStatement` +* [wildcard](http://dev.w3.org/csswg/selectors4/#universal-selector): `*` +* [attribute existence](http://dev.w3.org/csswg/selectors4/#attribute-selectors): `[attr]` +* [attribute value](http://dev.w3.org/csswg/selectors4/#attribute-selectors): `[attr="foo"]` or `[attr=123]` +* attribute regex: `[attr=/foo.*/]` +* attribute conditons: `[attr!="foo"]`, `[attr>2]`, `[attr<3]`, `[attr>=2]`, or `[attr<=3]` +* nested attribute: `[attr.level2="foo"]` +* field: `FunctionDeclaration > Identifier.id` +* [First](http://dev.w3.org/csswg/selectors4/#the-first-child-pseudo) or [last](http://dev.w3.org/csswg/selectors4/#the-last-child-pseudo) child: `:first-child` or `:last-child` +* [nth-child](http://dev.w3.org/csswg/selectors4/#the-nth-child-pseudo) (no ax+b support): `:nth-child(2)` +* [nth-last-child](http://dev.w3.org/csswg/selectors4/#the-nth-last-child-pseudo) (no ax+b support): `:nth-last-child(1)` +* [descendant](http://dev.w3.org/csswg/selectors4/#descendant-combinators): `ancestor descendant` +* [child](http://dev.w3.org/csswg/selectors4/#child-combinators): `parent > child` +* [following sibling](http://dev.w3.org/csswg/selectors4/#general-sibling-combinators): `node ~ sibling` +* [adjacent sibling](http://dev.w3.org/csswg/selectors4/#adjacent-sibling-combinators): `node + adjacent` +* [negation](http://dev.w3.org/csswg/selectors4/#negation-pseudo): `:not(ForStatement)` +* [matches-any](http://dev.w3.org/csswg/selectors4/#matches): `:matches([attr] > :first-child, :last-child)` +* [subject indicator](http://dev.w3.org/csswg/selectors4/#subject): `!IfStatement > [name="foo"]` +* class of AST node: `:statement`, `:expression`, `:declaration`, `:function`, or `:pattern` + +[](https://travis-ci.org/estools/esquery) diff --git a/tools/node_modules/eslint/node_modules/esquery/esquery.js b/tools/node_modules/eslint/node_modules/esquery/esquery.js new file mode 100644 index 0000000000..5b67924a12 --- /dev/null +++ b/tools/node_modules/eslint/node_modules/esquery/esquery.js @@ -0,0 +1,320 @@ +/* vim: set sw=4 sts=4 : */ +(function () { + + var estraverse = require('estraverse'); + var parser = require('./parser'); + + var isArray = Array.isArray || function isArray(array) { + return {}.toString.call(array) === '[object Array]'; + }; + + var LEFT_SIDE = {}; + var RIGHT_SIDE = {}; + + function esqueryModule() { + + /** + * Get the value of a property which may be multiple levels down in the object. + */ + function getPath(obj, key) { + var i, keys = key.split("."); + for (i = 0; i < keys.length; i++) { + if (obj == null) { return obj; } + obj = obj[keys[i]]; + } + return obj; + } + + /** + * Determine whether `node` can be reached by following `path`, starting at `ancestor`. + */ + function inPath(node, ancestor, path) { + var field, remainingPath, i; + if (path.length === 0) { return node === ancestor; } + if (ancestor == null) { return false; } + field = ancestor[path[0]]; + remainingPath = path.slice(1); + if (isArray(field)) { + for (i = 0, l = field.length; i < l; ++i) { + if (inPath(node, field[i], remainingPath)) { return true; } + } + return false; + } else { + return inPath(node, field, remainingPath); + } + } + + /** + * Given a `node` and its ancestors, determine if `node` is matched by `selector`. + */ + function matches(node, selector, ancestry) { + var path, ancestor, i, l, p; + if (!selector) { return true; } + if (!node) { return false; } + if (!ancestry) { ancestry = []; } + + switch(selector.type) { + case 'wildcard': + return true; + + case 'identifier': + return selector.value.toLowerCase() === node.type.toLowerCase(); + + case 'field': + path = selector.name.split('.'); + ancestor = ancestry[path.length - 1]; + return inPath(node, ancestor, path); + + case 'matches': + for (i = 0, l = selector.selectors.length; i < l; ++i) { + if (matches(node, selector.selectors[i], ancestry)) { return true; } + } + return false; + + case 'compound': + for (i = 0, l = selector.selectors.length; i < l; ++i) { + if (!matches(node, selector.selectors[i], ancestry)) { return false; } + } + return true; + + case 'not': + for (i = 0, l = selector.selectors.length; i < l; ++i) { + if (matches(node, selector.selectors[i], ancestry)) { return false; } + } + return true; + + case 'child': + if (matches(node, selector.right, ancestry)) { + return matches(ancestry[0], selector.left, ancestry.slice(1)); + } + return false; + + case 'descendant': + if (matches(node, selector.right, ancestry)) { + for (i = 0, l = ancestry.length; i < l; ++i) { + if (matches(ancestry[i], selector.left, ancestry.slice(i + 1))) { + return true; + } + } + } + return false; + + case 'attribute': + p = getPath(node, selector.name); + switch (selector.operator) { + case null: + case void 0: + return p != null; + case '=': + switch (selector.value.type) { + case 'regexp': return selector.value.value.test(p); + case 'literal': return '' + selector.value.value === '' + p; + case 'type': return selector.value.value === typeof p; + } + case '!=': + switch (selector.value.type) { + case 'regexp': return !selector.value.value.test(p); + case 'literal': return '' + selector.value.value !== '' + p; + case 'type': return selector.value.value !== typeof p; + } + case '<=': return p <= selector.value.value; + case '<': return p < selector.value.value; + case '>': return p > selector.value.value; + case '>=': return p >= selector.value.value; + } + + case 'sibling': + return matches(node, selector.right, ancestry) && + sibling(node, selector.left, ancestry, LEFT_SIDE) || + selector.left.subject && + matches(node, selector.left, ancestry) && + sibling(node, selector.right, ancestry, RIGHT_SIDE); + + case 'adjacent': + return matches(node, selector.right, ancestry) && + adjacent(node, selector.left, ancestry, LEFT_SIDE) || + selector.right.subject && + matches(node, selector.left, ancestry) && + adjacent(node, selector.right, ancestry, RIGHT_SIDE); + + case 'nth-child': + return matches(node, selector.right, ancestry) && + nthChild(node, ancestry, function (length) { + return selector.index.value - 1; + }); + + case 'nth-last-child': + return matches(node, selector.right, ancestry) && + nthChild(node, ancestry, function (length) { + return length - selector.index.value; + }); + + case 'class': + if(!node.type) return false; + switch(selector.name.toLowerCase()){ + case 'statement': + if(node.type.slice(-9) === 'Statement') return true; + // fallthrough: interface Declaration <: Statement { } + case 'declaration': + return node.type.slice(-11) === 'Declaration'; + case 'pattern': + if(node.type.slice(-7) === 'Pattern') return true; + // fallthrough: interface Expression <: Node, Pattern { } + case 'expression': + return node.type.slice(-10) === 'Expression' || + node.type === 'Literal' || + node.type === 'Identifier'; + case 'function': + return node.type.slice(0, 8) === 'Function' || + node.type === 'ArrowFunctionExpression'; + } + throw new Error('Unknown class name: ' + selector.name); + } + + throw new Error('Unknown selector type: ' + selector.type); + } + + /* + * Determines if the given node has a sibling that matches the given selector. + */ + function sibling(node, selector, ancestry, side) { + var parent = ancestry[0], listProp, startIndex, keys, i, l, k, lowerBound, upperBound; + if (!parent) { return false; } + keys = estraverse.VisitorKeys[parent.type]; + for (i = 0, l = keys.length; i < l; ++i) { + listProp = parent[keys[i]]; + if (isArray(listProp)) { + startIndex = listProp.indexOf(node); + if (startIndex < 0) { continue; } + if (side === LEFT_SIDE) { + lowerBound = 0; + upperBound = startIndex; + } else { + lowerBound = startIndex + 1; + upperBound = listProp.length; + } + for (k = lowerBound; k < upperBound; ++k) { + if (matches(listProp[k], selector, ancestry)) { + return true; + } + } + } + } + return false; + } + + /* + * Determines if the given node has an asjacent sibling that matches the given selector. + */ + function adjacent(node, selector, ancestry, side) { + var parent = ancestry[0], listProp, keys, i, l, idx; + if (!parent) { return false; } + keys = estraverse.VisitorKeys[parent.type]; + for (i = 0, l = keys.length; i < l; ++i) { + listProp = parent[keys[i]]; + if (isArray(listProp)) { + idx = listProp.indexOf(node); + if (idx < 0) { continue; } + if (side === LEFT_SIDE && idx > 0 && matches(listProp[idx - 1], selector, ancestry)) { + return true; + } + if (side === RIGHT_SIDE && idx < listProp.length - 1 && matches(listProp[idx + 1], selector, ancestry)) { + return true; + } + } + } + return false; + } + + /* + * Determines if the given node is the nth child, determined by idxFn, which is given the containing list's length. + */ + function nthChild(node, ancestry, idxFn) { + var parent = ancestry[0], listProp, keys, i, l, idx; + if (!parent) { return false; } + keys = estraverse.VisitorKeys[parent.type]; + for (i = 0, l = keys.length; i < l; ++i) { + listProp = parent[keys[i]]; + if (isArray(listProp)) { + idx = listProp.indexOf(node); + if (idx >= 0 && idx === idxFn(listProp.length)) { return true; } + } + } + return false; + } + + /* + * For each selector node marked as a subject, find the portion of the selector that the subject must match. + */ + function subjects(selector, ancestor) { + var results, p; + if (selector == null || typeof selector != 'object') { return []; } + if (ancestor == null) { ancestor = selector; } + results = selector.subject ? [ancestor] : []; + for(p in selector) { + if(!{}.hasOwnProperty.call(selector, p)) { continue; } + [].push.apply(results, subjects(selector[p], p === 'left' ? selector[p] : ancestor)); + } + return results; + } + + /** + * From a JS AST and a selector AST, collect all JS AST nodes that match the selector. + */ + function match(ast, selector) { + var ancestry = [], results = [], altSubjects, i, l, k, m; + if (!selector) { return results; } + altSubjects = subjects(selector); + estraverse.traverse(ast, { + enter: function (node, parent) { + if (parent != null) { ancestry.unshift(parent); } + if (matches(node, selector, ancestry)) { + if (altSubjects.length) { + for (i = 0, l = altSubjects.length; i < l; ++i) { + if (matches(node, altSubjects[i], ancestry)) { results.push(node); } + for (k = 0, m = ancestry.length; k < m; ++k) { + if (matches(ancestry[k], altSubjects[i], ancestry.slice(k + 1))) { + results.push(ancestry[k]); + } + } + } + } else { + results.push(node); + } + } + }, + leave: function () { ancestry.shift(); } + }); + return results; + } + + /** + * Parse a selector string and return its AST. + */ + function parse(selector) { + return parser.parse(selector); + } + + /** + * Query the code AST using the selector string. + */ + function query(ast, selector) { + return match(ast, parse(selector)); + } + + query.parse = parse; + query.match = match; + query.matches = matches; + return query.query = query; + } + + + if (typeof define === "function" && define.amd) { + define(esqueryModule); + } else if (typeof module !== 'undefined' && module.exports) { + module.exports = esqueryModule(); + } else { + this.esquery = esqueryModule(); + } + +})(); diff --git a/tools/node_modules/eslint/node_modules/esquery/license.txt b/tools/node_modules/eslint/node_modules/esquery/license.txt new file mode 100644 index 0000000000..52f915e268 --- /dev/null +++ b/tools/node_modules/eslint/node_modules/esquery/license.txt @@ -0,0 +1,24 @@ +Copyright (c) 2013, Joel Feenstra +All rights reserved. + +Redistribution and use in source and binary forms, with or without +modification, are permitted provided that the following conditions are met: + * Redistributions of source code must retain the above copyright + notice, this list of conditions and the following disclaimer. + * Redistributions in binary form must reproduce the above copyright + notice, this list of conditions and the following disclaimer in the + documentation and/or other materials provided with the distribution. + * Neither the name of the ESQuery nor the names of its contributors may + be used to endorse or promote products derived from this software without + specific prior written permission. + +THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND +ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED +WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE +DISCLAIMED. IN NO EVENT SHALL JOEL FEENSTRA BE LIABLE FOR ANY +DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES +(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; +LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND +ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT +(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS +SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. diff --git a/tools/node_modules/eslint/node_modules/esquery/package.json b/tools/node_modules/eslint/node_modules/esquery/package.json new file mode 100644 index 0000000000..92af42d5ad --- /dev/null +++ b/tools/node_modules/eslint/node_modules/esquery/package.json @@ -0,0 +1,72 @@ +{ + "_from": "esquery@^1.0.0", + "_id": "esquery@1.0.0", + "_inBundle": false, + "_integrity": "sha1-z7qLV9f7qT8XKYqKAGoEzaE9gPo=", + "_location": "/eslint/esquery", + "_phantomChildren": {}, + "_requested": { + "type": "range", + "registry": true, + "raw": "esquery@^1.0.0", + "name": "esquery", + "escapedName": "esquery", + "rawSpec": "^1.0.0", + "saveSpec": null, + "fetchSpec": "^1.0.0" + }, + "_requiredBy": [ + "/eslint" + ], + "_resolved": "https://registry.npmjs.org/esquery/-/esquery-1.0.0.tgz", + "_shasum": "cfba8b57d7fba93f17298a8a006a04cda13d80fa", + "_spec": "esquery@^1.0.0", + "_where": "/Users/cjihrig/iojs/node/tools/eslint-tmp/node_modules/eslint", + "author": { + "name": "Joel Feenstra", + "email": "jrfeenst+esquery@gmail.com" + }, + "bugs": { + "url": "https://github.com/jrfeenst/esquery/issues" + }, + "bundleDependencies": false, + "dependencies": { + "estraverse": "^4.0.0" + }, + "deprecated": false, + "description": "A query library for ECMAScript AST using a CSS selector like query language.", + "devDependencies": { + "commonjs-everywhere": "~0.9.4", + "esprima": "~1.1.1", + "jstestr": ">=0.4", + "pegjs": "~0.7.0" + }, + "engines": { + "node": ">=0.6" + }, + "files": [ + "esquery.js", + "parser.js", + "license.txt", + "README.md" + ], + "homepage": "https://github.com/jrfeenst/esquery#readme", + "keywords": [ + "ast", + "ecmascript", + "javascript", + "query" + ], + "license": "BSD", + "main": "esquery.js", + "name": "esquery", + "preferGlobal": false, + "repository": { + "type": "git", + "url": "git+https://github.com/jrfeenst/esquery.git" + }, + "scripts": { + "test": "node node_modules/jstestr/bin/jstestr.js path=tests" + }, + "version": "1.0.0" +} diff --git a/tools/node_modules/eslint/node_modules/esquery/parser.js b/tools/node_modules/eslint/node_modules/esquery/parser.js new file mode 100644 index 0000000000..2ce8134592 --- /dev/null +++ b/tools/node_modules/eslint/node_modules/esquery/parser.js @@ -0,0 +1,2595 @@ +var result = (function(){ + /* + * Generated by PEG.js 0.7.0. + * + * http://pegjs.majda.cz/ + */ + + function quote(s) { + /* + * ECMA-262, 5th ed., 7.8.4: All characters may appear literally in a + * string literal except for the closing quote character, backslash, + * carriage return, line separator, paragraph separator, and line feed. + * Any character may appear in the form of an escape sequence. + * + * For portability, we also escape escape all control and non-ASCII + * characters. Note that "\0" and "\v" escape sequences are not used + * because JSHint does not like the first and IE the second. + */ + return '"' + s + .replace(/\\/g, '\\\\') // backslash + .replace(/"/g, '\\"') // closing quote character + .replace(/\x08/g, '\\b') // backspace + .replace(/\t/g, '\\t') // horizontal tab + .replace(/\n/g, '\\n') // line feed + .replace(/\f/g, '\\f') // form feed + .replace(/\r/g, '\\r') // carriage return + .replace(/[\x00-\x07\x0B\x0E-\x1F\x80-\uFFFF]/g, escape) + + '"'; + } + + var result = { + /* + * Parses the input with a generated parser. If the parsing is successfull, + * returns a value explicitly or implicitly specified by the grammar from + * which the parser was generated (see |PEG.buildParser|). If the parsing is + * unsuccessful, throws |PEG.parser.SyntaxError| describing the error. + */ + parse: function(input, startRule) { + var parseFunctions = { + "start": parse_start, + "_": parse__, + "identifierName": parse_identifierName, + "binaryOp": parse_binaryOp, + "selectors": parse_selectors, + "selector": parse_selector, + "sequence": parse_sequence, + "atom": parse_atom, + "wildcard": parse_wildcard, + "identifier": parse_identifier, + "attr": parse_attr, + "attrOps": parse_attrOps, + "attrEqOps": parse_attrEqOps, + "attrName": parse_attrName, + "attrValue": parse_attrValue, + "string": parse_string, + "number": parse_number, + "path": parse_path, + "type": parse_type, + "regex": parse_regex, + "field": parse_field, + "negation": parse_negation, + "matches": parse_matches, + "firstChild": parse_firstChild, + "lastChild": parse_lastChild, + "nthChild": parse_nthChild, + "nthLastChild": parse_nthLastChild, + "class": parse_class + }; + + if (startRule !== undefined) { + if (parseFunctions[startRule] === undefined) { + throw new Error("Invalid rule name: " + quote(startRule) + "."); + } + } else { + startRule = "start"; + } + + var pos = 0; + var reportFailures = 0; + var rightmostFailuresPos = 0; + var rightmostFailuresExpected = []; + var cache = {}; + + function padLeft(input, padding, length) { + var result = input; + + var padLength = length - input.length; + for (var i = 0; i < padLength; i++) { + result = padding + result; + } + + return result; + } + + function escape(ch) { + var charCode = ch.charCodeAt(0); + var escapeChar; + var length; + + if (charCode <= 0xFF) { + escapeChar = 'x'; + length = 2; + } else { + escapeChar = 'u'; + length = 4; + } + + return '\\' + escapeChar + padLeft(charCode.toString(16).toUpperCase(), '0', length); + } + + function matchFailed(failure) { + if (pos < rightmostFailuresPos) { + return; + } + + if (pos > rightmostFailuresPos) { + rightmostFailuresPos = pos; + rightmostFailuresExpected = []; + } + + rightmostFailuresExpected.push(failure); + } + + function parse_start() { + var cacheKey = "start@" + pos; + var cachedResult = cache[cacheKey]; + if (cachedResult) { + pos = cachedResult.nextPos; + return cachedResult.result; + } + + var result0, result1, result2; + var pos0, pos1; + + pos0 = pos; + pos1 = pos; + result0 = parse__(); + if (result0 !== null) { + result1 = parse_selectors(); + if (result1 !== null) { + result2 = parse__(); + if (result2 !== null) { + result0 = [result0, result1, result2]; + } else { + result0 = null; + pos = pos1; + } + } else { + result0 = null; + pos = pos1; + } + } else { + result0 = null; + pos = pos1; + } + if (result0 !== null) { + result0 = (function(offset, ss) { return ss.length === 1 ? ss[0] : { type: 'matches', selectors: ss }; })(pos0, result0[1]); + } + if (result0 === null) { + pos = pos0; + } + if (result0 === null) { + pos0 = pos; + result0 = parse__(); + if (result0 !== null) { + result0 = (function(offset) { return void 0; })(pos0); + } + if (result0 === null) { + pos = pos0; + } + } + + cache[cacheKey] = { + nextPos: pos, + result: result0 + }; + return result0; + } + + function parse__() { + var cacheKey = "_@" + pos; + var cachedResult = cache[cacheKey]; + if (cachedResult) { + pos = cachedResult.nextPos; + return cachedResult.result; + } + + var result0, result1; + + result0 = []; + if (input.charCodeAt(pos) === 32) { + result1 = " "; + pos++; + } else { + result1 = null; + if (reportFailures === 0) { + matchFailed("\" \""); + } + } + while (result1 !== null) { + result0.push(result1); + if (input.charCodeAt(pos) === 32) { + result1 = " "; + pos++; + } else { + result1 = null; + if (reportFailures === 0) { + matchFailed("\" \""); + } + } + } + + cache[cacheKey] = { + nextPos: pos, + result: result0 + }; + return result0; + } + + function parse_identifierName() { + var cacheKey = "identifierName@" + pos; + var cachedResult = cache[cacheKey]; + if (cachedResult) { + pos = cachedResult.nextPos; + return cachedResult.result; + } + + var result0, result1; + var pos0; + + pos0 = pos; + if (/^[^ [\],():#!=><~+.]/.test(input.charAt(pos))) { + result1 = input.charAt(pos); + pos++; + } else { + result1 = null; + if (reportFailures === 0) { + matchFailed("[^ [\\],():#!=><~+.]"); + } + } + if (result1 !== null) { + result0 = []; + while (result1 !== null) { + result0.push(result1); + if (/^[^ [\],():#!=><~+.]/.test(input.charAt(pos))) { + result1 = input.charAt(pos); + pos++; + } else { + result1 = null; + if (reportFailures === 0) { + matchFailed("[^ [\\],():#!=><~+.]"); + } + } + } + } else { + result0 = null; + } + if (result0 !== null) { + result0 = (function(offset, i) { return i.join(''); })(pos0, result0); + } + if (result0 === null) { + pos = pos0; + } + + cache[cacheKey] = { + nextPos: pos, + result: result0 + }; + return result0; + } + + function parse_binaryOp() { + var cacheKey = "binaryOp@" + pos; + var cachedResult = cache[cacheKey]; + if (cachedResult) { + pos = cachedResult.nextPos; + return cachedResult.result; + } + + var result0, result1, result2; + var pos0, pos1; + + pos0 = pos; + pos1 = pos; + result0 = parse__(); + if (result0 !== null) { + if (input.charCodeAt(pos) === 62) { + result1 = ">"; + pos++; + } else { + result1 = null; + if (reportFailures === 0) { + matchFailed("\">\""); + } + } + if (result1 !== null) { + result2 = parse__(); + if (result2 !== null) { + result0 = [result0, result1, result2]; + } else { + result0 = null; + pos = pos1; + } + } else { + result0 = null; + pos = pos1; + } + } else { + result0 = null; + pos = pos1; + } + if (result0 !== null) { + result0 = (function(offset) { return 'child'; })(pos0); + } + if (result0 === null) { + pos = pos0; + } + if (result0 === null) { + pos0 = pos; + pos1 = pos; + result0 = parse__(); + if (result0 !== null) { + if (input.charCodeAt(pos) === 126) { + result1 = "~"; + pos++; + } else { + result1 = null; + if (reportFailures === 0) { + matchFailed("\"~\""); + } + } + if (result1 !== null) { + result2 = parse__(); + if (result2 !== null) { + result0 = [result0, result1, result2]; + } else { + result0 = null; + pos = pos1; + } + } else { + result0 = null; + pos = pos1; + } + } else { + result0 = null; + pos = pos1; + } + if (result0 !== null) { + result0 = (function(offset) { return 'sibling'; })(pos0); + } + if (result0 === null) { + pos = pos0; + } + if (result0 === null) { + pos0 = pos; + pos1 = pos; + result0 = parse__(); + if (result0 !== null) { + if (input.charCodeAt(pos) === 43) { + result1 = "+"; + pos++; + } else { + result1 = null; + if (reportFailures === 0) { + matchFailed("\"+\""); + } + } + if (result1 !== null) { + result2 = parse__(); + if (result2 !== null) { + result0 = [result0, result1, result2]; + } else { + result0 = null; + pos = pos1; + } + } else { + result0 = null; + pos = pos1; + } + } else { + result0 = null; + pos = pos1; + } + if (result0 !== null) { + result0 = (function(offset) { return 'adjacent'; })(pos0); + } + if (result0 === null) { + pos = pos0; + } + if (result0 === null) { + pos0 = pos; + pos1 = pos; + if (input.charCodeAt(pos) === 32) { + result0 = " "; + pos++; + } else { + result0 = null; + if (reportFailures === 0) { + matchFailed("\" \""); + } + } + if (result0 !== null) { + result1 = parse__(); + if (result1 !== null) { + result0 = [result0, result1]; + } else { + result0 = null; + pos = pos1; + } + } else { + result0 = null; + pos = pos1; + } + if (result0 !== null) { + result0 = (function(offset) { return 'descendant'; })(pos0); + } + if (result0 === null) { + pos = pos0; + } + } + } + } + + cache[cacheKey] = { + nextPos: pos, + result: result0 + }; + return result0; + } + + function parse_selectors() { + var cacheKey = "selectors@" + pos; + var cachedResult = cache[cacheKey]; + if (cachedResult) { + pos = cachedResult.nextPos; + return cachedResult.result; + } + + var result0, result1, result2, result3, result4, result5; + var pos0, pos1, pos2; + + pos0 = pos; + pos1 = pos; + result0 = parse_selector(); + if (result0 !== null) { + result1 = []; + pos2 = pos; + result2 = parse__(); + if (result2 !== null) { + if (input.charCodeAt(pos) === 44) { + result3 = ","; + pos++; + } else { + result3 = null; + if (reportFailures === 0) { + matchFailed("\",\""); + } + } + if (result3 !== null) { + result4 = parse__(); + if (result4 !== null) { + result5 = parse_selector(); + if (result5 !== null) { + result2 = [result2, result3, result4, result5]; + } else { + result2 = null; + pos = pos2; + } + } else { + result2 = null; + pos = pos2; + } + } else { + result2 = null; + pos = pos2; + } + } else { + result2 = null; + pos = pos2; + } + while (result2 !== null) { + result1.push(result2); + pos2 = pos; + result2 = parse__(); + if (result2 !== null) { + if (input.charCodeAt(pos) === 44) { + result3 = ","; + pos++; + } else { + result3 = null; + if (reportFailures === 0) { + matchFailed("\",\""); + } + } + if (result3 !== null) { + result4 = parse__(); + if (result4 !== null) { + result5 = parse_selector(); + if (result5 !== null) { + result2 = [result2, result3, result4, result5]; + } else { + result2 = null; + pos = pos2; + } + } else { + result2 = null; + pos = pos2; + } + } else { + result2 = null; + pos = pos2; + } + } else { + result2 = null; + pos = pos2; + } + } + if (result1 !== null) { + result0 = [result0, result1]; + } else { + result0 = null; + pos = pos1; + } + } else { + result0 = null; + pos = pos1; + } + if (result0 !== null) { + result0 = (function(offset, s, ss) { + return [s].concat(ss.map(function (s) { return s[3]; })); + })(pos0, result0[0], result0[1]); + } + if (result0 === null) { + pos = pos0; + } + + cache[cacheKey] = { + nextPos: pos, + result: result0 + }; + return result0; + } + + function parse_selector() { + var cacheKey = "selector@" + pos; + var cachedResult = cache[cacheKey]; + if (cachedResult) { + pos = cachedResult.nextPos; + return cachedResult.result; + } + + var result0, result1, result2, result3; + var pos0, pos1, pos2; + + pos0 = pos; + pos1 = pos; + result0 = parse_sequence(); + if (result0 !== null) { + result1 = []; + pos2 = pos; + result2 = parse_binaryOp(); + if (result2 !== null) { + result3 = parse_sequence(); + if (result3 !== null) { + result2 = [result2, result3]; + } else { + result2 = null; + pos = pos2; + } + } else { + result2 = null; + pos = pos2; + } + while (result2 !== null) { + result1.push(result2); + pos2 = pos; + result2 = parse_binaryOp(); + if (result2 !== null) { + result3 = parse_sequence(); + if (result3 !== null) { + result2 = [result2, result3]; + } else { + result2 = null; + pos = pos2; + } + } else { + result2 = null; + pos = pos2; + } + } + if (result1 !== null) { + result0 = [result0, result1]; + } else { + result0 = null; + pos = pos1; + } + } else { + result0 = null; + pos = pos1; + } + if (result0 !== null) { + result0 = (function(offset, a, ops) { + return ops.reduce(function (memo, rhs) { + return { type: rhs[0], left: memo, right: rhs[1] }; + }, a); + })(pos0, result0[0], result0[1]); + } + if (result0 === null) { + pos = pos0; + } + + cache[cacheKey] = { + nextPos: pos, + result: result0 + }; + return result0; + } + + function parse_sequence() { + var cacheKey = "sequence@" + pos; + var cachedResult = cache[cacheKey]; + if (cachedResult) { + pos = cachedResult.nextPos; + return cachedResult.result; + } + + var result0, result1, result2; + var pos0, pos1; + + pos0 = pos; + pos1 = pos; + if (input.charCodeAt(pos) === 33) { + result0 = "!"; + pos++; + } else { + result0 = null; + if (reportFailures === 0) { + matchFailed("\"!\""); + } + } + result0 = result0 !== null ? result0 : ""; + if (result0 !== null) { + result2 = parse_atom(); + if (result2 !== null) { + result1 = []; + while (result2 !== null) { + result1.push(result2); + result2 = parse_atom(); + } + } else { + result1 = null; + } + if (result1 !== null) { + result0 = [result0, result1]; + } else { + result0 = null; + pos = pos1; + } + } else { + result0 = null; + pos = pos1; + } + if (result0 !== null) { + result0 = (function(offset, subject, as) { + var b = as.length === 1 ? as[0] : { type: 'compound', selectors: as }; + if(subject) b.subject = true; + return b; + })(pos0, result0[0], result0[1]); + } + if (result0 === null) { + pos = pos0; + } + + cache[cacheKey] = { + nextPos: pos, + result: result0 + }; + return result0; + } + + function parse_atom() { + var cacheKey = "atom@" + pos; + var cachedResult = cache[cacheKey]; + if (cachedResult) { + pos = cachedResult.nextPos; + return cachedResult.result; + } + + var result0; + + result0 = parse_wildcard(); + if (result0 === null) { + result0 = parse_identifier(); + if (result0 === null) { + result0 = parse_attr(); + if (result0 === null) { + result0 = parse_field(); + if (result0 === null) { + result0 = parse_negation(); + if (result0 === null) { + result0 = parse_matches(); + if (result0 === null) { + result0 = parse_firstChild(); + if (result0 === null) { + result0 = parse_lastChild(); + if (result0 === null) { + result0 = parse_nthChild(); + if (result0 === null) { + result0 = parse_nthLastChild(); + if (result0 === null) { + result0 = parse_class(); + } + } + } + } + } + } + } + } + } + } + + cache[cacheKey] = { + nextPos: pos, + result: result0 + }; + return result0; + } + + function parse_wildcard() { + var cacheKey = "wildcard@" + pos; + var cachedResult = cache[cacheKey]; + if (cachedResult) { + pos = cachedResult.nextPos; + return cachedResult.result; + } + + var result0; + var pos0; + + pos0 = pos; + if (input.charCodeAt(pos) === 42) { + result0 = "*"; + pos++; + } else { + result0 = null; + if (reportFailures === 0) { + matchFailed("\"*\""); + } + } + if (result0 !== null) { + result0 = (function(offset, a) { return { type: 'wildcard', value: a }; })(pos0, result0); + } + if (result0 === null) { + pos = pos0; + } + + cache[cacheKey] = { + nextPos: pos, + result: result0 + }; + return result0; + } + + function parse_identifier() { + var cacheKey = "identifier@" + pos; + var cachedResult = cache[cacheKey]; + if (cachedResult) { + pos = cachedResult.nextPos; + return cachedResult.result; + } + + var result0, result1; + var pos0, pos1; + + pos0 = pos; + pos1 = pos; + if (input.charCodeAt(pos) === 35) { + result0 = "#"; + pos++; + } else { + result0 = null; + if (reportFailures === 0) { + matchFailed("\"#\""); + } + } + result0 = result0 !== null ? result0 : ""; + if (result0 !== null) { + result1 = parse_identifierName(); + if (result1 !== null) { + result0 = [result0, result1]; + } else { + result0 = null; + pos = pos1; + } + } else { + result0 = null; + pos = pos1; + } + if (result0 !== null) { + result0 = (function(offset, i) { return { type: 'identifier', value: i }; })(pos0, result0[1]); + } + if (result0 === null) { + pos = pos0; + } + + cache[cacheKey] = { + nextPos: pos, + result: result0 + }; + return result0; + } + + function parse_attr() { + var cacheKey = "attr@" + pos; + var cachedResult = cache[cacheKey]; + if (cachedResult) { + pos = cachedResult.nextPos; + return cachedResult.result; + } + + var result0, result1, result2, result3, result4; + var pos0, pos1; + + pos0 = pos; + pos1 = pos; + if (input.charCodeAt(pos) === 91) { + result0 = "["; + pos++; + } else { + result0 = null; + if (reportFailures === 0) { + matchFailed("\"[\""); + } + } + if (result0 !== null) { + result1 = parse__(); + if (result1 !== null) { + result2 = parse_attrValue(); + if (result2 !== null) { + result3 = parse__(); + if (result3 !== null) { + if (input.charCodeAt(pos) === 93) { + result4 = "]"; + pos++; + } else { + result4 = null; + if (reportFailures === 0) { + matchFailed("\"]\""); + } + } + if (result4 !== null) { + result0 = [result0, result1, result2, result3, result4]; + } else { + result0 = null; + pos = pos1; + } + } else { + result0 = null; + pos = pos1; + } + } else { + result0 = null; + pos = pos1; + } + } else { + result0 = null; + pos = pos1; + } + } else { + result0 = null; + pos = pos1; + } + if (result0 !== null) { + result0 = (function(offset, v) { return v; })(pos0, result0[2]); + } + if (result0 === null) { + pos = pos0; + } + + cache[cacheKey] = { + nextPos: pos, + result: result0 + }; + return result0; + } + + function parse_attrOps() { + var cacheKey = "attrOps@" + pos; + var cachedResult = cache[cacheKey]; + if (cachedResult) { + pos = cachedResult.nextPos; + return cachedResult.result; + } + + var result0, result1; + var pos0, pos1; + + pos0 = pos; + pos1 = pos; + if (/^[><!]/.test(input.charAt(pos))) { + result0 = input.charAt(pos); + pos++; + } else { + result0 = null; + if (reportFailures === 0) { + matchFailed("[><!]"); + } + } + result0 = result0 !== null ? result0 : ""; + if (result0 !== null) { + if (input.charCodeAt(pos) === 61) { + result1 = "="; + pos++; + } else { + result1 = null; + if (reportFailures === 0) { + matchFailed("\"=\""); + } + } + if (result1 !== null) { + result0 = [result0, result1]; + } else { + result0 = null; + pos = pos1; + } + } else { + result0 = null; + pos = pos1; + } + if (result0 !== null) { + result0 = (function(offset, a) { return a + '='; })(pos0, result0[0]); + } + if (result0 === null) { + pos = pos0; + } + if (result0 === null) { + if (/^[><]/.test(input.charAt(pos))) { + result0 = input.charAt(pos); + pos++; + } else { + result0 = null; + if (reportFailures === 0) { + matchFailed("[><]"); + } + } + } + + cache[cacheKey] = { + nextPos: pos, + result: result0 + }; + return result0; + } + + function parse_attrEqOps() { + var cacheKey = "attrEqOps@" + pos; + var cachedResult = cache[cacheKey]; + if (cachedResult) { + pos = cachedResult.nextPos; + return cachedResult.result; + } + + var result0, result1; + var pos0, pos1; + + pos0 = pos; + pos1 = pos; + if (input.charCodeAt(pos) === 33) { + result0 = "!"; + pos++; + } else { + result0 = null; + if (reportFailures === 0) { + matchFailed("\"!\""); + } + } + result0 = result0 !== null ? result0 : ""; + if (result0 !== null) { + if (input.charCodeAt(pos) === 61) { + result1 = "="; + pos++; + } else { + result1 = null; + if (reportFailures === 0) { + matchFailed("\"=\""); + } + } + if (result1 !== null) { + result0 = [result0, result1]; + } else { + result0 = null; + pos = pos1; + } + } else { + result0 = null; + pos = pos1; + } + if (result0 !== null) { + result0 = (function(offset, a) { return a + '='; })(pos0, result0[0]); + } + if (result0 === null) { + pos = pos0; + } + + cache[cacheKey] = { + nextPos: pos, + result: result0 + }; + return result0; + } + + function parse_attrName() { + var cacheKey = "attrName@" + pos; + var cachedResult = cache[cacheKey]; + if (cachedResult) { + pos = cachedResult.nextPos; + return cachedResult.result; + } + + var result0, result1; + var pos0; + + pos0 = pos; + result1 = parse_identifierName(); + if (result1 === null) { + if (input.charCodeAt(pos) === 46) { + result1 = "."; + pos++; + } else { + result1 = null; + if (reportFailures === 0) { + matchFailed("\".\""); + } + } + } + if (result1 !== null) { + result0 = []; + while (result1 !== null) { + result0.push(result1); + result1 = parse_identifierName(); + if (result1 === null) { + if (input.charCodeAt(pos) === 46) { + result1 = "."; + pos++; + } else { + result1 = null; + if (reportFailures === 0) { + matchFailed("\".\""); + } + } + } + } + } else { + result0 = null; + } + if (result0 !== null) { + result0 = (function(offset, i) { return i.join(''); })(pos0, result0); + } + if (result0 === null) { + pos = pos0; + } + + cache[cacheKey] = { + nextPos: pos, + result: result0 + }; + return result0; + } + + function parse_attrValue() { + var cacheKey = "attrValue@" + pos; + var cachedResult = cache[cacheKey]; + if (cachedResult) { + pos = cachedResult.nextPos; + return cachedResult.result; + } + + var result0, result1, result2, result3, result4; + var pos0, pos1; + + pos0 = pos; + pos1 = pos; + result0 = parse_attrName(); + if (result0 !== null) { + result1 = parse__(); + if (result1 !== null) { + result2 = parse_attrEqOps(); + if (result2 !== null) { + result3 = parse__(); + if (result3 !== null) { + result4 = parse_type(); + if (result4 === null) { + result4 = parse_regex(); + } + if (result4 !== null) { + result0 = [result0, result1, result2, result3, result4]; + } else { + result0 = null; + pos = pos1; + } + } else { + result0 = null; + pos = pos1; + } + } else { + result0 = null; + pos = pos1; + } + } else { + result0 = null; + pos = pos1; + } + } else { + result0 = null; + pos = pos1; + } + if (result0 !== null) { + result0 = (function(offset, name, op, value) { + return { type: 'attribute', name: name, operator: op, value: value }; + })(pos0, result0[0], result0[2], result0[4]); + } + if (result0 === null) { + pos = pos0; + } + if (result0 === null) { + pos0 = pos; + pos1 = pos; + result0 = parse_attrName(); + if (result0 !== null) { + result1 = parse__(); + if (result1 !== null) { + result2 = parse_attrOps(); + if (result2 !== null) { + result3 = parse__(); + if (result3 !== null) { + result4 = parse_string(); + if (result4 === null) { + result4 = parse_number(); + if (result4 === null) { + result4 = parse_path(); + } + } + if (result4 !== null) { + result0 = [result0, result1, result2, result3, result4]; + } else { + result0 = null; + pos = pos1; + } + } else { + result0 = null; + pos = pos1; + } + } else { + result0 = null; + pos = pos1; + } + } else { + result0 = null; + pos = pos1; + } + } else { + result0 = null; + pos = pos1; + } + if (result0 !== null) { + result0 = (function(offset, name, op, value) { + return { type: 'attribute', name: name, operator: op, value: value }; + })(pos0, result0[0], result0[2], result0[4]); + } + if (result0 === null) { + pos = pos0; + } + if (result0 === null) { + pos0 = pos; + result0 = parse_attrName(); + if (result0 !== null) { + result0 = (function(offset, name) { return { type: 'attribute', name: name }; })(pos0, result0); + } + if (result0 === null) { + pos = pos0; + } + } + } + + cache[cacheKey] = { + nextPos: pos, + result: result0 + }; + return result0; + } + + function parse_string() { + var cacheKey = "string@" + pos; + var cachedResult = cache[cacheKey]; + if (cachedResult) { + pos = cachedResult.nextPos; + return cachedResult.result; + } + + var result0, result1, result2, result3; + var pos0, pos1, pos2, pos3; + + pos0 = pos; + pos1 = pos; + if (input.charCodeAt(pos) === 34) { + result0 = "\""; + pos++; + } else { + result0 = null; + if (reportFailures === 0) { + matchFailed("\"\\\"\""); + } + } + if (result0 !== null) { + result1 = []; + if (/^[^\\"]/.test(input.charAt(pos))) { + result2 = input.charAt(pos); + pos++; + } else { + result2 = null; + if (reportFailures === 0) { + matchFailed("[^\\\\\"]"); + } + } + if (result2 === null) { + pos2 = pos; + pos3 = pos; + if (input.charCodeAt(pos) === 92) { + result2 = "\\"; + pos++; + } else { + result2 = null; + if (reportFailures === 0) { + matchFailed("\"\\\\\""); + } + } + if (result2 !== null) { + if (input.length > pos) { + result3 = input.charAt(pos); + pos++; + } else { + result3 = null; + if (reportFailures === 0) { + matchFailed("any character"); + } + } + if (result3 !== null) { + result2 = [result2, result3]; + } else { + result2 = null; + pos = pos3; + } + } else { + result2 = null; + pos = pos3; + } + if (result2 !== null) { + result2 = (function(offset, a, b) { return a + b; })(pos2, result2[0], result2[1]); + } + if (result2 === null) { + pos = pos2; + } + } + while (result2 !== null) { + result1.push(result2); + if (/^[^\\"]/.test(input.charAt(pos))) { + result2 = input.charAt(pos); + pos++; + } else { + result2 = null; + if (reportFailures === 0) { + matchFailed("[^\\\\\"]"); + } + } + if (result2 === null) { + pos2 = pos; + pos3 = pos; + if (input.charCodeAt(pos) === 92) { + result2 = "\\"; + pos++; + } else { + result2 = null; + if (reportFailures === 0) { + matchFailed("\"\\\\\""); + } + } + if (result2 !== null) { + if (input.length > pos) { + result3 = input.charAt(pos); + pos++; + } else { + result3 = null; + if (reportFailures === 0) { + matchFailed("any character"); + } + } + if (result3 !== null) { + result2 = [result2, result3]; + } else { + result2 = null; + pos = pos3; + } + } else { + result2 = null; + pos = pos3; + } + if (result2 !== null) { + result2 = (function(offset, a, b) { return a + b; })(pos2, result2[0], result2[1]); + } + if (result2 === null) { + pos = pos2; + } + } + } + if (result1 !== null) { + if (input.charCodeAt(pos) === 34) { + result2 = "\""; + pos++; + } else { + result2 = null; + if (reportFailures === 0) { + matchFailed("\"\\\"\""); + } + } + if (result2 !== null) { + result0 = [result0, result1, result2]; + } else { + result0 = null; + pos = pos1; + } + } else { + result0 = null; + pos = pos1; + } + } else { + result0 = null; + pos = pos1; + } + if (result0 !== null) { + result0 = (function(offset, d) { + return { type: 'literal', value: strUnescape(d.join('')) }; + })(pos0, result0[1]); + } + if (result0 === null) { + pos = pos0; + } + if (result0 === null) { + pos0 = pos; + pos1 = pos; + if (input.charCodeAt(pos) === 39) { + result0 = "'"; + pos++; + } else { + result0 = null; + if (reportFailures === 0) { + matchFailed("\"'\""); + } + } + if (result0 !== null) { + result1 = []; + if (/^[^\\']/.test(input.charAt(pos))) { + result2 = input.charAt(pos); + pos++; + } else { + result2 = null; + if (reportFailures === 0) { + matchFailed("[^\\\\']"); + } + } + if (result2 === null) { + pos2 = pos; + pos3 = pos; + if (input.charCodeAt(pos) === 92) { + result2 = "\\"; + pos++; + } else { + result2 = null; + if (reportFailures === 0) { + matchFailed("\"\\\\\""); + } + } + if (result2 !== null) { + if (input.length > pos) { + result3 = input.charAt(pos); + pos++; + } else { + result3 = null; + if (reportFailures === 0) { + matchFailed("any character"); + } + } + if (result3 !== null) { + result2 = [result2, result3]; + } else { + result2 = null; + pos = pos3; + } + } else { + result2 = null; + pos = pos3; + } + if (result2 !== null) { + result2 = (function(offset, a, b) { return a + b; })(pos2, result2[0], result2[1]); + } + if (result2 === null) { + pos = pos2; + } + } + while (result2 !== null) { + result1.push(result2); + if (/^[^\\']/.test(input.charAt(pos))) { + result2 = input.charAt(pos); + pos++; + } else { + result2 = null; + if (reportFailures === 0) { + matchFailed("[^\\\\']"); + } + } + if (result2 === null) { + pos2 = pos; + pos3 = pos; + if (input.charCodeAt(pos) === 92) { + result2 = "\\"; + pos++; + } else { + result2 = null; + if (reportFailures === 0) { + matchFailed("\"\\\\\""); + } + } + if (result2 !== null) { + if (input.length > pos) { + result3 = input.charAt(pos); + pos++; + } else { + result3 = null; + if (reportFailures === 0) { + matchFailed("any character"); + } + } + if (result3 !== null) { + result2 = [result2, result3]; + } else { + result2 = null; + pos = pos3; + } + } else { + result2 = null; + pos = pos3; + } + if (result2 !== null) { + result2 = (function(offset, a, b) { return a + b; })(pos2, result2[0], result2[1]); + } + if (result2 === null) { + pos = pos2; + } + } + } + if (result1 !== null) { + if (input.charCodeAt(pos) === 39) { + result2 = "'"; + pos++; + } else { + result2 = null; + if (reportFailures === 0) { + matchFailed("\"'\""); + } + } + if (result2 !== null) { + result0 = [result0, result1, result2]; + } else { + result0 = null; + pos = pos1; + } + } else { + result0 = null; + pos = pos1; + } + } else { + result0 = null; + pos = pos1; + } + if (result0 !== null) { + result0 = (function(offset, d) { + return { type: 'literal', value: strUnescape(d.join('')) }; + })(pos0, result0[1]); + } + if (result0 === null) { + pos = pos0; + } + } + + cache[cacheKey] = { + nextPos: pos, + result: result0 + }; + return result0; + } + + function parse_number() { + var cacheKey = "number@" + pos; + var cachedResult = cache[cacheKey]; + if (cachedResult) { + pos = cachedResult.nextPos; + return cachedResult.result; + } + + var result0, result1, result2; + var pos0, pos1, pos2; + + pos0 = pos; + pos1 = pos; + pos2 = pos; + result0 = []; + if (/^[0-9]/.test(input.charAt(pos))) { + result1 = input.charAt(pos); + pos++; + } else { + result1 = null; + if (reportFailures === 0) { + matchFailed("[0-9]"); + } + } + while (result1 !== null) { + result0.push(result1); + if (/^[0-9]/.test(input.charAt(pos))) { + result1 = input.charAt(pos); + pos++; + } else { + result1 = null; + if (reportFailures === 0) { + matchFailed("[0-9]"); + } + } + } + if (result0 !== null) { + if (input.charCodeAt(pos) === 46) { + result1 = "."; + pos++; + } else { + result1 = null; + if (reportFailures === 0) { + matchFailed("\".\""); + } + } + if (result1 !== null) { + result0 = [result0, result1]; + } else { + result0 = null; + pos = pos2; + } + } else { + result0 = null; + pos = pos2; + } + result0 = result0 !== null ? result0 : ""; + if (result0 !== null) { + if (/^[0-9]/.test(input.charAt(pos))) { + result2 = input.charAt(pos); + pos++; + } else { + result2 = null; + if (reportFailures === 0) { + matchFailed("[0-9]"); + } + } + if (result2 !== null) { + result1 = []; + while (result2 !== null) { + result1.push(result2); + if (/^[0-9]/.test(input.charAt(pos))) { + result2 = input.charAt(pos); + pos++; + } else { + result2 = null; + if (reportFailures === 0) { + matchFailed("[0-9]"); + } + } + } + } else { + result1 = null; + } + if (result1 !== null) { + result0 = [result0, result1]; + } else { + result0 = null; + pos = pos1; + } + } else { + result0 = null; + pos = pos1; + } + if (result0 !== null) { + result0 = (function(offset, a, b) { + return { type: 'literal', value: parseFloat((a ? a.join('') : '') + b.join('')) }; + })(pos0, result0[0], result0[1]); + } + if (result0 === null) { + pos = pos0; + } + + cache[cacheKey] = { + nextPos: pos, + result: result0 + }; + return result0; + } + + function parse_path() { + var cacheKey = "path@" + pos; + var cachedResult = cache[cacheKey]; + if (cachedResult) { + pos = cachedResult.nextPos; + return cachedResult.result; + } + + var result0; + var pos0; + + pos0 = pos; + result0 = parse_identifierName(); + if (result0 !== null) { + result0 = (function(offset, i) { return { type: 'literal', value: i }; })(pos0, result0); + } + if (result0 === null) { + pos = pos0; + } + + cache[cacheKey] = { + nextPos: pos, + result: result0 + }; + return result0; + } + + function parse_type() { + var cacheKey = "type@" + pos; + var cachedResult = cache[cacheKey]; + if (cachedResult) { + pos = cachedResult.nextPos; + return cachedResult.result; + } + + var result0, result1, result2, result3, result4; + var pos0, pos1; + + pos0 = pos; + pos1 = pos; + if (input.substr(pos, 5) === "type(") { + result0 = "type("; + pos += 5; + } else { + result0 = null; + if (reportFailures === 0) { + matchFailed("\"type(\""); + } + } + if (result0 !== null) { + result1 = parse__(); + if (result1 !== null) { + if (/^[^ )]/.test(input.charAt(pos))) { + result3 = input.charAt(pos); + pos++; + } else { + result3 = null; + if (reportFailures === 0) { + matchFailed("[^ )]"); + } + } + if (result3 !== null) { + result2 = []; + while (result3 !== null) { + result2.push(result3); + if (/^[^ )]/.test(input.charAt(pos))) { + result3 = input.charAt(pos); + pos++; + } else { + result3 = null; + if (reportFailures === 0) { + matchFailed("[^ )]"); + } + } + } + } else { + result2 = null; + } + if (result2 !== null) { + result3 = parse__(); + if (result3 !== null) { + if (input.charCodeAt(pos) === 41) { + result4 = ")"; + pos++; + } else { + result4 = null; + if (reportFailures === 0) { + matchFailed("\")\""); + } + } + if (result4 !== null) { + result0 = [result0, result1, result2, result3, result4]; + } else { + result0 = null; + pos = pos1; + } + } else { + result0 = null; + pos = pos1; + } + } else { + result0 = null; + pos = pos1; + } + } else { + result0 = null; + pos = pos1; + } + } else { + result0 = null; + pos = pos1; + } + if (result0 !== null) { + result0 = (function(offset, t) { return { type: 'type', value: t.join('') }; })(pos0, result0[2]); + } + if (result0 === null) { + pos = pos0; + } + + cache[cacheKey] = { + nextPos: pos, + result: result0 + }; + return result0; + } + + function parse_regex() { + var cacheKey = "regex@" + pos; + var cachedResult = cache[cacheKey]; + if (cachedResult) { + pos = cachedResult.nextPos; + return cachedResult.result; + } + + var result0, result1, result2; + var pos0, pos1; + + pos0 = pos; + pos1 = pos; + if (input.charCodeAt(pos) === 47) { + result0 = "/"; + pos++; + } else { + result0 = null; + if (reportFailures === 0) { + matchFailed("\"/\""); + } + } + if (result0 !== null) { + if (/^[^\/]/.test(input.charAt(pos))) { + result2 = input.charAt(pos); + pos++; + } else { + result2 = null; + if (reportFailures === 0) { + matchFailed("[^\\/]"); + } + } + if (result2 !== null) { + result1 = []; + while (result2 !== null) { + result1.push(result2); + if (/^[^\/]/.test(input.charAt(pos))) { + result2 = input.charAt(pos); + pos++; + } else { + result2 = null; + if (reportFailures === 0) { + matchFailed("[^\\/]"); + } + } + } + } else { + result1 = null; + } + if (result1 !== null) { + if (input.charCodeAt(pos) === 47) { + result2 = "/"; + pos++; + } else { + result2 = null; + if (reportFailures === 0) { + matchFailed("\"/\""); + } + } + if (result2 !== null) { + result0 = [result0, result1, result2]; + } else { + result0 = null; + pos = pos1; + } + } else { + result0 = null; + pos = pos1; + } + } else { + result0 = null; + pos = pos1; + } + if (result0 !== null) { + result0 = (function(offset, d) { return { type: 'regexp', value: new RegExp(d.join('')) }; })(pos0, result0[1]); + } + if (result0 === null) { + pos = pos0; + } + + cache[cacheKey] = { + nextPos: pos, + result: result0 + }; + return result0; + } + + function parse_field() { + var cacheKey = "field@" + pos; + var cachedResult = cache[cacheKey]; + if (cachedResult) { + pos = cachedResult.nextPos; + return cachedResult.result; + } + + var result0, result1, result2, result3, result4; + var pos0, pos1, pos2; + + pos0 = pos; + pos1 = pos; + if (input.charCodeAt(pos) === 46) { + result0 = "."; + pos++; + } else { + result0 = null; + if (reportFailures === 0) { + matchFailed("\".\""); + } + } + if (result0 !== null) { + result1 = parse_identifierName(); + if (result1 !== null) { + result2 = []; + pos2 = pos; + if (input.charCodeAt(pos) === 46) { + result3 = "."; + pos++; + } else { + result3 = null; + if (reportFailures === 0) { + matchFailed("\".\""); + } + } + if (result3 !== null) { + result4 = parse_identifierName(); + if (result4 !== null) { + result3 = [result3, result4]; + } else { + result3 = null; + pos = pos2; + } + } else { + result3 = null; + pos = pos2; + } + while (result3 !== null) { + result2.push(result3); + pos2 = pos; + if (input.charCodeAt(pos) === 46) { + result3 = "."; + pos++; + } else { + result3 = null; + if (reportFailures === 0) { + matchFailed("\".\""); + } + } + if (result3 !== null) { + result4 = parse_identifierName(); + if (result4 !== null) { + result3 = [result3, result4]; + } else { + result3 = null; + pos = pos2; + } + } else { + result3 = null; + pos = pos2; + } + } + if (result2 !== null) { + result0 = [result0, result1, result2]; + } else { + result0 = null; + pos = pos1; + } + } else { + result0 = null; + pos = pos1; + } + } else { + result0 = null; + pos = pos1; + } + if (result0 !== null) { + result0 = (function(offset, i, is) { + return { type: 'field', name: is.reduce(function(memo, p){ return memo + p[0] + p[1]; }, i)}; + })(pos0, result0[1], result0[2]); + } + if (result0 === null) { + pos = pos0; + } + + cache[cacheKey] = { + nextPos: pos, + result: result0 + }; + return result0; + } + + function parse_negation() { + var cacheKey = "negation@" + pos; + var cachedResult = cache[cacheKey]; + if (cachedResult) { + pos = cachedResult.nextPos; + return cachedResult.result; + } + + var result0, result1, result2, result3, result4; + var pos0, pos1; + + pos0 = pos; + pos1 = pos; + if (input.substr(pos, 5) === ":not(") { + result0 = ":not("; + pos += 5; + } else { + result0 = null; + if (reportFailures === 0) { + matchFailed("\":not(\""); + } + } + if (result0 !== null) { + result1 = parse__(); + if (result1 !== null) { + result2 = parse_selectors(); + if (result2 !== null) { + result3 = parse__(); + if (result3 !== null) { + if (input.charCodeAt(pos) === 41) { + result4 = ")"; + pos++; + } else { + result4 = null; + if (reportFailures === 0) { + matchFailed("\")\""); + } + } + if (result4 !== null) { + result0 = [result0, result1, result2, result3, result4]; + } else { + result0 = null; + pos = pos1; + } + } else { + result0 = null; + pos = pos1; + } + } else { + result0 = null; + pos = pos1; + } + } else { + result0 = null; + pos = pos1; + } + } else { + result0 = null; + pos = pos1; + } + if (result0 !== null) { + result0 = (function(offset, ss) { return { type: 'not', selectors: ss }; })(pos0, result0[2]); + } + if (result0 === null) { + pos = pos0; + } + + cache[cacheKey] = { + nextPos: pos, + result: result0 + }; + return result0; + } + + function parse_matches() { + var cacheKey = "matches@" + pos; + var cachedResult = cache[cacheKey]; + if (cachedResult) { + pos = cachedResult.nextPos; + return cachedResult.result; + } + + var result0, result1, result2, result3, result4; + var pos0, pos1; + + pos0 = pos; + pos1 = pos; + if (input.substr(pos, 9) === ":matches(") { + result0 = ":matches("; + pos += 9; + } else { + result0 = null; + if (reportFailures === 0) { + matchFailed("\":matches(\""); + } + } + if (result0 !== null) { + result1 = parse__(); + if (result1 !== null) { + result2 = parse_selectors(); + if (result2 !== null) { + result3 = parse__(); + if (result3 !== null) { + if (input.charCodeAt(pos) === 41) { + result4 = ")"; + pos++; + } else { + result4 = null; + if (reportFailures === 0) { + matchFailed("\")\""); + } + } + if (result4 !== null) { + result0 = [result0, result1, result2, result3, result4]; + } else { + result0 = null; + pos = pos1; + } + } else { + result0 = null; + pos = pos1; + } + } else { + result0 = null; + pos = pos1; + } + } else { + result0 = null; + pos = pos1; + } + } else { + result0 = null; + pos = pos1; + } + if (result0 !== null) { + result0 = (function(offset, ss) { return { type: 'matches', selectors: ss }; })(pos0, result0[2]); + } + if (result0 === null) { + pos = pos0; + } + + cache[cacheKey] = { + nextPos: pos, + result: result0 + }; + return result0; + } + + function parse_firstChild() { + var cacheKey = "firstChild@" + pos; + var cachedResult = cache[cacheKey]; + if (cachedResult) { + pos = cachedResult.nextPos; + return cachedResult.result; + } + + var result0; + var pos0; + + pos0 = pos; + if (input.substr(pos, 12) === ":first-child") { + result0 = ":first-child"; + pos += 12; + } else { + result0 = null; + if (reportFailures === 0) { + matchFailed("\":first-child\""); + } + } + if (result0 !== null) { + result0 = (function(offset) { return nth(1); })(pos0); + } + if (result0 === null) { + pos = pos0; + } + + cache[cacheKey] = { + nextPos: pos, + result: result0 + }; + return result0; + } + + function parse_lastChild() { + var cacheKey = "lastChild@" + pos; + var cachedResult = cache[cacheKey]; + if (cachedResult) { + pos = cachedResult.nextPos; + return cachedResult.result; + } + + var result0; + var pos0; + + pos0 = pos; + if (input.substr(pos, 11) === ":last-child") { + result0 = ":last-child"; + pos += 11; + } else { + result0 = null; + if (reportFailures === 0) { + matchFailed("\":last-child\""); + } + } + if (result0 !== null) { + result0 = (function(offset) { return nthLast(1); })(pos0); + } + if (result0 === null) { + pos = pos0; + } + + cache[cacheKey] = { + nextPos: pos, + result: result0 + }; + return result0; + } + + function parse_nthChild() { + var cacheKey = "nthChild@" + pos; + var cachedResult = cache[cacheKey]; + if (cachedResult) { + pos = cachedResult.nextPos; + return cachedResult.result; + } + + var result0, result1, result2, result3, result4; + var pos0, pos1; + + pos0 = pos; + pos1 = pos; + if (input.substr(pos, 11) === ":nth-child(") { + result0 = ":nth-child("; + pos += 11; + } else { + result0 = null; + if (reportFailures === 0) { + matchFailed("\":nth-child(\""); + } + } + if (result0 !== null) { + result1 = parse__(); + if (result1 !== null) { + if (/^[0-9]/.test(input.charAt(pos))) { + result3 = input.charAt(pos); + pos++; + } else { + result3 = null; + if (reportFailures === 0) { + matchFailed("[0-9]"); + } + } + if (result3 !== null) { + result2 = []; + while (result3 !== null) { + result2.push(result3); + if (/^[0-9]/.test(input.charAt(pos))) { + result3 = input.charAt(pos); + pos++; + } else { + result3 = null; + if (reportFailures === 0) { + matchFailed("[0-9]"); + } + } + } + } else { + result2 = null; + } + if (result2 !== null) { + result3 = parse__(); + if (result3 !== null) { + if (input.charCodeAt(pos) === 41) { + result4 = ")"; + pos++; + } else { + result4 = null; + if (reportFailures === 0) { + matchFailed("\")\""); + } + } + if (result4 !== null) { + result0 = [result0, result1, result2, result3, result4]; + } else { + result0 = null; + pos = pos1; + } + } else { + result0 = null; + pos = pos1; + } + } else { + result0 = null; + pos = pos1; + } + } else { + result0 = null; + pos = pos1; + } + } else { + result0 = null; + pos = pos1; + } + if (result0 !== null) { + result0 = (function(offset, n) { return nth(parseInt(n.join(''), 10)); })(pos0, result0[2]); + } + if (result0 === null) { + pos = pos0; + } + + cache[cacheKey] = { + nextPos: pos, + result: result0 + }; + return result0; + } + + function parse_nthLastChild() { + var cacheKey = "nthLastChild@" + pos; + var cachedResult = cache[cacheKey]; + if (cachedResult) { + pos = cachedResult.nextPos; + return cachedResult.result; + } + + var result0, result1, result2, result3, result4; + var pos0, pos1; + + pos0 = pos; + pos1 = pos; + if (input.substr(pos, 16) === ":nth-last-child(") { + result0 = ":nth-last-child("; + pos += 16; + } else { + result0 = null; + if (reportFailures === 0) { + matchFailed("\":nth-last-child(\""); + } + } + if (result0 !== null) { + result1 = parse__(); + if (result1 !== null) { + if (/^[0-9]/.test(input.charAt(pos))) { + result3 = input.charAt(pos); + pos++; + } else { + result3 = null; + if (reportFailures === 0) { + matchFailed("[0-9]"); + } + } + if (result3 !== null) { + result2 = []; + while (result3 !== null) { + result2.push(result3); + if (/^[0-9]/.test(input.charAt(pos))) { + result3 = input.charAt(pos); + pos++; + } else { + result3 = null; + if (reportFailures === 0) { + matchFailed("[0-9]"); + } + } + } + } else { + result2 = null; + } + if (result2 !== null) { + result3 = parse__(); + if (result3 !== null) { + if (input.charCodeAt(pos) === 41) { + result4 = ")"; + pos++; + } else { + result4 = null; + if (reportFailures === 0) { + matchFailed("\")\""); + } + } + if (result4 !== null) { + result0 = [result0, result1, result2, result3, result4]; + } else { + result0 = null; + pos = pos1; + } + } else { + result0 = null; + pos = pos1; + } + } else { + result0 = null; + pos = pos1; + } + } else { + result0 = null; + pos = pos1; + } + } else { + result0 = null; + pos = pos1; + } + if (result0 !== null) { + result0 = (function(offset, n) { return nthLast(parseInt(n.join(''), 10)); })(pos0, result0[2]); + } + if (result0 === null) { + pos = pos0; + } + + cache[cacheKey] = { + nextPos: pos, + result: result0 + }; + return result0; + } + + function parse_class() { + var cacheKey = "class@" + pos; + var cachedResult = cache[cacheKey]; + if (cachedResult) { + pos = cachedResult.nextPos; + return cachedResult.result; + } + + var result0, result1; + var pos0, pos1; + + pos0 = pos; + pos1 = pos; + if (input.charCodeAt(pos) === 58) { + result0 = ":"; + pos++; + } else { + result0 = null; + if (reportFailures === 0) { + matchFailed("\":\""); + } + } + if (result0 !== null) { + if (input.substr(pos, 9).toLowerCase() === "statement") { + result1 = input.substr(pos, 9); + pos += 9; + } else { + result1 = null; + if (reportFailures === 0) { + matchFailed("\"statement\""); + } + } + if (result1 === null) { + if (input.substr(pos, 10).toLowerCase() === "expression") { + result1 = input.substr(pos, 10); + pos += 10; + } else { + result1 = null; + if (reportFailures === 0) { + matchFailed("\"expression\""); + } + } + if (result1 === null) { + if (input.substr(pos, 11).toLowerCase() === "declaration") { + result1 = input.substr(pos, 11); + pos += 11; + } else { + result1 = null; + if (reportFailures === 0) { + matchFailed("\"declaration\""); + } + } + if (result1 === null) { + if (input.substr(pos, 8).toLowerCase() === "function") { + result1 = input.substr(pos, 8); + pos += 8; + } else { + result1 = null; + if (reportFailures === 0) { + matchFailed("\"function\""); + } + } + if (result1 === null) { + if (input.substr(pos, 7).toLowerCase() === "pattern") { + result1 = input.substr(pos, 7); + pos += 7; + } else { + result1 = null; + if (reportFailures === 0) { + matchFailed("\"pattern\""); + } + } + } + } + } + } + if (result1 !== null) { + result0 = [result0, result1]; + } else { + result0 = null; + pos = pos1; + } + } else { + result0 = null; + pos = pos1; + } + if (result0 !== null) { + result0 = (function(offset, c) { + return { type: 'class', name: c }; + })(pos0, result0[1]); + } + if (result0 === null) { + pos = pos0; + } + + cache[cacheKey] = { + nextPos: pos, + result: result0 + }; + return result0; + } + + + function cleanupExpected(expected) { + expected.sort(); + + var lastExpected = null; + var cleanExpected = []; + for (var i = 0; i < expected.length; i++) { + if (expected[i] !== lastExpected) { + cleanExpected.push(expected[i]); + lastExpected = expected[i]; + } + } + return cleanExpected; + } + + function computeErrorPosition() { + /* + * The first idea was to use |String.split| to break the input up to the + * error position along newlines and derive the line and column from + * there. However IE's |split| implementation is so broken that it was + * enough to prevent it. + */ + + var line = 1; + var column = 1; + var seenCR = false; + + for (var i = 0; i < Math.max(pos, rightmostFailuresPos); i++) { + var ch = input.charAt(i); + if (ch === "\n") { + if (!seenCR) { line++; } + column = 1; + seenCR = false; + } else if (ch === "\r" || ch === "\u2028" || ch === "\u2029") { + line++; + column = 1; + seenCR = true; + } else { + column++; + seenCR = false; + } + } + + return { line: line, column: column }; + } + + + function nth(n) { return { type: 'nth-child', index: { type: 'literal', value: n } }; } + function nthLast(n) { return { type: 'nth-last-child', index: { type: 'literal', value: n } }; } + function strUnescape(s) { + return s.replace(/\\(.)/g, function(match, ch) { + switch(ch) { + case 'a': return '\a'; + case 'b': return '\b'; + case 'f': return '\f'; + case 'n': return '\n'; + case 'r': return '\r'; + case 't': return '\t'; + case 'v': return '\v'; + default: return ch; + } + }); + } + + + var result = parseFunctions[startRule](); + + /* + * The parser is now in one of the following three states: + * + * 1. The parser successfully parsed the whole input. + * + * - |result !== null| + * - |pos === input.length| + * - |rightmostFailuresExpected| may or may not contain something + * + * 2. The parser successfully parsed only a part of the input. + * + * - |result !== null| + * - |pos < input.length| + * - |rightmostFailuresExpected| may or may not contain something + * + * 3. The parser did not successfully parse any part of the input. + * + * - |result === null| + * - |pos === 0| + * - |rightmostFailuresExpected| contains at least one failure + * + * All code following this comment (including called functions) must + * handle these states. + */ + if (result === null || pos !== input.length) { + var offset = Math.max(pos, rightmostFailuresPos); + var found = offset < input.length ? input.charAt(offset) : null; + var errorPosition = computeErrorPosition(); + + throw new this.SyntaxError( + cleanupExpected(rightmostFailuresExpected), + found, + offset, + errorPosition.line, + errorPosition.column + ); + } + + return result; + }, + + /* Returns the parser source code. */ + toSource: function() { return this._source; } + }; + + /* Thrown when a parser encounters a syntax error. */ + + result.SyntaxError = function(expected, found, offset, line, column) { + function buildMessage(expected, found) { + var expectedHumanized, foundHumanized; + + switch (expected.length) { + case 0: + expectedHumanized = "end of input"; + break; + case 1: + expectedHumanized = expected[0]; + break; + default: + expectedHumanized = expected.slice(0, expected.length - 1).join(", ") + + " or " + + expected[expected.length - 1]; + } + + foundHumanized = found ? quote(found) : "end of input"; + + return "Expected " + expectedHumanized + " but " + foundHumanized + " found."; + } + + this.name = "SyntaxError"; + this.expected = expected; + this.found = found; + this.message = buildMessage(expected, found); + this.offset = offset; + this.line = line; + this.column = column; + }; + + result.SyntaxError.prototype = Error.prototype; + + return result; +})(); +if (typeof define === "function" && define.amd) { define(function(){ return result; }); } else if (typeof module !== "undefined" && module.exports) { module.exports = result; } else { this.esquery = result; } |