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chromium/devtools/devtools-frontend/c667f647befdf0016da1966e4f7d6bee22dd2f57/./node_modules/esquery/dist/esquery.js
blob: e3836cd4a5d9c6ed50d348188ee99734a5be5aea [file]
(function (global, factory) {
typeof exports === 'object' && typeof module !== 'undefined' ? module.exports = factory() :
typeof define === 'function' && define.amd ? define(factory) :
(global = global || self, global.esquery = factory());
}(this, (function () { 'use strict';
var commonjsGlobal = typeof globalThis !== 'undefined' ? globalThis : typeof window !== 'undefined' ? window : typeof global !== 'undefined' ? global : typeof self !== 'undefined' ? self : {};
function createCommonjsModule(fn, module) {
return module = { exports: {} }, fn(module, module.exports), module.exports;
}
var estraverse = createCommonjsModule(function (module, exports) {
/*
Copyright (C) 2012-2013 Yusuke Suzuki <utatane.tea@gmail.com>
Copyright (C) 2012 Ariya Hidayat <ariya.hidayat@gmail.com>
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.
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 <COPYRIGHT HOLDER> 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.
*/
/*jslint vars:false, bitwise:true*/
/*jshint indent:4*/
/*global exports:true*/
(function clone(exports) {
var Syntax,
VisitorOption,
VisitorKeys,
BREAK,
SKIP,
REMOVE;
function deepCopy(obj) {
var ret = {}, key, val;
for (key in obj) {
if (obj.hasOwnProperty(key)) {
val = obj[key];
if (typeof val === 'object' && val !== null) {
ret[key] = deepCopy(val);
} else {
ret[key] = val;
}
}
}
return ret;
}
// based on LLVM libc++ upper_bound / lower_bound
// MIT License
function upperBound(array, func) {
var diff, len, i, current;
len = array.length;
i = 0;
while (len) {
diff = len >>> 1;
current = i + diff;
if (func(array[current])) {
len = diff;
} else {
i = current + 1;
len -= diff + 1;
}
}
return i;
}
Syntax = {
AssignmentExpression: 'AssignmentExpression',
AssignmentPattern: 'AssignmentPattern',
ArrayExpression: 'ArrayExpression',
ArrayPattern: 'ArrayPattern',
ArrowFunctionExpression: 'ArrowFunctionExpression',
AwaitExpression: 'AwaitExpression', // CAUTION: It's deferred to ES7.
BlockStatement: 'BlockStatement',
BinaryExpression: 'BinaryExpression',
BreakStatement: 'BreakStatement',
CallExpression: 'CallExpression',
CatchClause: 'CatchClause',
ClassBody: 'ClassBody',
ClassDeclaration: 'ClassDeclaration',
ClassExpression: 'ClassExpression',
ComprehensionBlock: 'ComprehensionBlock', // CAUTION: It's deferred to ES7.
ComprehensionExpression: 'ComprehensionExpression', // CAUTION: It's deferred to ES7.
ConditionalExpression: 'ConditionalExpression',
ContinueStatement: 'ContinueStatement',
DebuggerStatement: 'DebuggerStatement',
DirectiveStatement: 'DirectiveStatement',
DoWhileStatement: 'DoWhileStatement',
EmptyStatement: 'EmptyStatement',
ExportAllDeclaration: 'ExportAllDeclaration',
ExportDefaultDeclaration: 'ExportDefaultDeclaration',
ExportNamedDeclaration: 'ExportNamedDeclaration',
ExportSpecifier: 'ExportSpecifier',
ExpressionStatement: 'ExpressionStatement',
ForStatement: 'ForStatement',
ForInStatement: 'ForInStatement',
ForOfStatement: 'ForOfStatement',
FunctionDeclaration: 'FunctionDeclaration',
FunctionExpression: 'FunctionExpression',
GeneratorExpression: 'GeneratorExpression', // CAUTION: It's deferred to ES7.
Identifier: 'Identifier',
IfStatement: 'IfStatement',
ImportExpression: 'ImportExpression',
ImportDeclaration: 'ImportDeclaration',
ImportDefaultSpecifier: 'ImportDefaultSpecifier',
ImportNamespaceSpecifier: 'ImportNamespaceSpecifier',
ImportSpecifier: 'ImportSpecifier',
Literal: 'Literal',
LabeledStatement: 'LabeledStatement',
LogicalExpression: 'LogicalExpression',
MemberExpression: 'MemberExpression',
MetaProperty: 'MetaProperty',
MethodDefinition: 'MethodDefinition',
ModuleSpecifier: 'ModuleSpecifier',
NewExpression: 'NewExpression',
ObjectExpression: 'ObjectExpression',
ObjectPattern: 'ObjectPattern',
Program: 'Program',
Property: 'Property',
RestElement: 'RestElement',
ReturnStatement: 'ReturnStatement',
SequenceExpression: 'SequenceExpression',
SpreadElement: 'SpreadElement',
Super: 'Super',
SwitchStatement: 'SwitchStatement',
SwitchCase: 'SwitchCase',
TaggedTemplateExpression: 'TaggedTemplateExpression',
TemplateElement: 'TemplateElement',
TemplateLiteral: 'TemplateLiteral',
ThisExpression: 'ThisExpression',
ThrowStatement: 'ThrowStatement',
TryStatement: 'TryStatement',
UnaryExpression: 'UnaryExpression',
UpdateExpression: 'UpdateExpression',
VariableDeclaration: 'VariableDeclaration',
VariableDeclarator: 'VariableDeclarator',
WhileStatement: 'WhileStatement',
WithStatement: 'WithStatement',
YieldExpression: 'YieldExpression'
};
VisitorKeys = {
AssignmentExpression: ['left', 'right'],
AssignmentPattern: ['left', 'right'],
ArrayExpression: ['elements'],
ArrayPattern: ['elements'],
ArrowFunctionExpression: ['params', 'body'],
AwaitExpression: ['argument'], // CAUTION: It's deferred to ES7.
BlockStatement: ['body'],
BinaryExpression: ['left', 'right'],
BreakStatement: ['label'],
CallExpression: ['callee', 'arguments'],
CatchClause: ['param', 'body'],
ClassBody: ['body'],
ClassDeclaration: ['id', 'superClass', 'body'],
ClassExpression: ['id', 'superClass', 'body'],
ComprehensionBlock: ['left', 'right'], // CAUTION: It's deferred to ES7.
ComprehensionExpression: ['blocks', 'filter', 'body'], // CAUTION: It's deferred to ES7.
ConditionalExpression: ['test', 'consequent', 'alternate'],
ContinueStatement: ['label'],
DebuggerStatement: [],
DirectiveStatement: [],
DoWhileStatement: ['body', 'test'],
EmptyStatement: [],
ExportAllDeclaration: ['source'],
ExportDefaultDeclaration: ['declaration'],
ExportNamedDeclaration: ['declaration', 'specifiers', 'source'],
ExportSpecifier: ['exported', 'local'],
ExpressionStatement: ['expression'],
ForStatement: ['init', 'test', 'update', 'body'],
ForInStatement: ['left', 'right', 'body'],
ForOfStatement: ['left', 'right', 'body'],
FunctionDeclaration: ['id', 'params', 'body'],
FunctionExpression: ['id', 'params', 'body'],
GeneratorExpression: ['blocks', 'filter', 'body'], // CAUTION: It's deferred to ES7.
Identifier: [],
IfStatement: ['test', 'consequent', 'alternate'],
ImportExpression: ['source'],
ImportDeclaration: ['specifiers', 'source'],
ImportDefaultSpecifier: ['local'],
ImportNamespaceSpecifier: ['local'],
ImportSpecifier: ['imported', 'local'],
Literal: [],
LabeledStatement: ['label', 'body'],
LogicalExpression: ['left', 'right'],
MemberExpression: ['object', 'property'],
MetaProperty: ['meta', 'property'],
MethodDefinition: ['key', 'value'],
ModuleSpecifier: [],
NewExpression: ['callee', 'arguments'],
ObjectExpression: ['properties'],
ObjectPattern: ['properties'],
Program: ['body'],
Property: ['key', 'value'],
RestElement: [ 'argument' ],
ReturnStatement: ['argument'],
SequenceExpression: ['expressions'],
SpreadElement: ['argument'],
Super: [],
SwitchStatement: ['discriminant', 'cases'],
SwitchCase: ['test', 'consequent'],
TaggedTemplateExpression: ['tag', 'quasi'],
TemplateElement: [],
TemplateLiteral: ['quasis', 'expressions'],
ThisExpression: [],
ThrowStatement: ['argument'],
TryStatement: ['block', 'handler', 'finalizer'],
UnaryExpression: ['argument'],
UpdateExpression: ['argument'],
VariableDeclaration: ['declarations'],
VariableDeclarator: ['id', 'init'],
WhileStatement: ['test', 'body'],
WithStatement: ['object', 'body'],
YieldExpression: ['argument']
};
// unique id
BREAK = {};
SKIP = {};
REMOVE = {};
VisitorOption = {
Break: BREAK,
Skip: SKIP,
Remove: REMOVE
};
function Reference(parent, key) {
this.parent = parent;
this.key = key;
}
Reference.prototype.replace = function replace(node) {
this.parent[this.key] = node;
};
Reference.prototype.remove = function remove() {
if (Array.isArray(this.parent)) {
this.parent.splice(this.key, 1);
return true;
} else {
this.replace(null);
return false;
}
};
function Element(node, path, wrap, ref) {
this.node = node;
this.path = path;
this.wrap = wrap;
this.ref = ref;
}
function Controller() { }
// API:
// return property path array from root to current node
Controller.prototype.path = function path() {
var i, iz, j, jz, result, element;
function addToPath(result, path) {
if (Array.isArray(path)) {
for (j = 0, jz = path.length; j < jz; ++j) {
result.push(path[j]);
}
} else {
result.push(path);
}
}
// root node
if (!this.__current.path) {
return null;
}
// first node is sentinel, second node is root element
result = [];
for (i = 2, iz = this.__leavelist.length; i < iz; ++i) {
element = this.__leavelist[i];
addToPath(result, element.path);
}
addToPath(result, this.__current.path);
return result;
};
// API:
// return type of current node
Controller.prototype.type = function () {
var node = this.current();
return node.type || this.__current.wrap;
};
// API:
// return array of parent elements
Controller.prototype.parents = function parents() {
var i, iz, result;
// first node is sentinel
result = [];
for (i = 1, iz = this.__leavelist.length; i < iz; ++i) {
result.push(this.__leavelist[i].node);
}
return result;
};
// API:
// return current node
Controller.prototype.current = function current() {
return this.__current.node;
};
Controller.prototype.__execute = function __execute(callback, element) {
var previous, result;
result = undefined;
previous = this.__current;
this.__current = element;
this.__state = null;
if (callback) {
result = callback.call(this, element.node, this.__leavelist[this.__leavelist.length - 1].node);
}
this.__current = previous;
return result;
};
// API:
// notify control skip / break
Controller.prototype.notify = function notify(flag) {
this.__state = flag;
};
// API:
// skip child nodes of current node
Controller.prototype.skip = function () {
this.notify(SKIP);
};
// API:
// break traversals
Controller.prototype['break'] = function () {
this.notify(BREAK);
};
// API:
// remove node
Controller.prototype.remove = function () {
this.notify(REMOVE);
};
Controller.prototype.__initialize = function(root, visitor) {
this.visitor = visitor;
this.root = root;
this.__worklist = [];
this.__leavelist = [];
this.__current = null;
this.__state = null;
this.__fallback = null;
if (visitor.fallback === 'iteration') {
this.__fallback = Object.keys;
} else if (typeof visitor.fallback === 'function') {
this.__fallback = visitor.fallback;
}
this.__keys = VisitorKeys;
if (visitor.keys) {
this.__keys = Object.assign(Object.create(this.__keys), visitor.keys);
}
};
function isNode(node) {
if (node == null) {
return false;
}
return typeof node === 'object' && typeof node.type === 'string';
}
function isProperty(nodeType, key) {
return (nodeType === Syntax.ObjectExpression || nodeType === Syntax.ObjectPattern) && 'properties' === key;
}
Controller.prototype.traverse = function traverse(root, visitor) {
var worklist,
leavelist,
element,
node,
nodeType,
ret,
key,
current,
current2,
candidates,
candidate,
sentinel;
this.__initialize(root, visitor);
sentinel = {};
// reference
worklist = this.__worklist;
leavelist = this.__leavelist;
// initialize
worklist.push(new Element(root, null, null, null));
leavelist.push(new Element(null, null, null, null));
while (worklist.length) {
element = worklist.pop();
if (element === sentinel) {
element = leavelist.pop();
ret = this.__execute(visitor.leave, element);
if (this.__state === BREAK || ret === BREAK) {
return;
}
continue;
}
if (element.node) {
ret = this.__execute(visitor.enter, element);
if (this.__state === BREAK || ret === BREAK) {
return;
}
worklist.push(sentinel);
leavelist.push(element);
if (this.__state === SKIP || ret === SKIP) {
continue;
}
node = element.node;
nodeType = node.type || element.wrap;
candidates = this.__keys[nodeType];
if (!candidates) {
if (this.__fallback) {
candidates = this.__fallback(node);
} else {
throw new Error('Unknown node type ' + nodeType + '.');
}
}
current = candidates.length;
while ((current -= 1) >= 0) {
key = candidates[current];
candidate = node[key];
if (!candidate) {
continue;
}
if (Array.isArray(candidate)) {
current2 = candidate.length;
while ((current2 -= 1) >= 0) {
if (!candidate[current2]) {
continue;
}
if (isProperty(nodeType, candidates[current])) {
element = new Element(candidate[current2], [key, current2], 'Property', null);
} else if (isNode(candidate[current2])) {
element = new Element(candidate[current2], [key, current2], null, null);
} else {
continue;
}
worklist.push(element);
}
} else if (isNode(candidate)) {
worklist.push(new Element(candidate, key, null, null));
}
}
}
}
};
Controller.prototype.replace = function replace(root, visitor) {
var worklist,
leavelist,
node,
nodeType,
target,
element,
current,
current2,
candidates,
candidate,
sentinel,
outer,
key;
function removeElem(element) {
var i,
key,
nextElem,
parent;
if (element.ref.remove()) {
// When the reference is an element of an array.
key = element.ref.key;
parent = element.ref.parent;
// If removed from array, then decrease following items' keys.
i = worklist.length;
while (i--) {
nextElem = worklist[i];
if (nextElem.ref && nextElem.ref.parent === parent) {
if (nextElem.ref.key < key) {
break;
}
--nextElem.ref.key;
}
}
}
}
this.__initialize(root, visitor);
sentinel = {};
// reference
worklist = this.__worklist;
leavelist = this.__leavelist;
// initialize
outer = {
root: root
};
element = new Element(root, null, null, new Reference(outer, 'root'));
worklist.push(element);
leavelist.push(element);
while (worklist.length) {
element = worklist.pop();
if (element === sentinel) {
element = leavelist.pop();
target = this.__execute(visitor.leave, element);
// node may be replaced with null,
// so distinguish between undefined and null in this place
if (target !== undefined && target !== BREAK && target !== SKIP && target !== REMOVE) {
// replace
element.ref.replace(target);
}
if (this.__state === REMOVE || target === REMOVE) {
removeElem(element);
}
if (this.__state === BREAK || target === BREAK) {
return outer.root;
}
continue;
}
target = this.__execute(visitor.enter, element);
// node may be replaced with null,
// so distinguish between undefined and null in this place
if (target !== undefined && target !== BREAK && target !== SKIP && target !== REMOVE) {
// replace
element.ref.replace(target);
element.node = target;
}
if (this.__state === REMOVE || target === REMOVE) {
removeElem(element);
element.node = null;
}
if (this.__state === BREAK || target === BREAK) {
return outer.root;
}
// node may be null
node = element.node;
if (!node) {
continue;
}
worklist.push(sentinel);
leavelist.push(element);
if (this.__state === SKIP || target === SKIP) {
continue;
}
nodeType = node.type || element.wrap;
candidates = this.__keys[nodeType];
if (!candidates) {
if (this.__fallback) {
candidates = this.__fallback(node);
} else {
throw new Error('Unknown node type ' + nodeType + '.');
}
}
current = candidates.length;
while ((current -= 1) >= 0) {
key = candidates[current];
candidate = node[key];
if (!candidate) {
continue;
}
if (Array.isArray(candidate)) {
current2 = candidate.length;
while ((current2 -= 1) >= 0) {
if (!candidate[current2]) {
continue;
}
if (isProperty(nodeType, candidates[current])) {
element = new Element(candidate[current2], [key, current2], 'Property', new Reference(candidate, current2));
} else if (isNode(candidate[current2])) {
element = new Element(candidate[current2], [key, current2], null, new Reference(candidate, current2));
} else {
continue;
}
worklist.push(element);
}
} else if (isNode(candidate)) {
worklist.push(new Element(candidate, key, null, new Reference(node, key)));
}
}
}
return outer.root;
};
function traverse(root, visitor) {
var controller = new Controller();
return controller.traverse(root, visitor);
}
function replace(root, visitor) {
var controller = new Controller();
return controller.replace(root, visitor);
}
function extendCommentRange(comment, tokens) {
var target;
target = upperBound(tokens, function search(token) {
return token.range[0] > comment.range[0];
});
comment.extendedRange = [comment.range[0], comment.range[1]];
if (target !== tokens.length) {
comment.extendedRange[1] = tokens[target].range[0];
}
target -= 1;
if (target >= 0) {
comment.extendedRange[0] = tokens[target].range[1];
}
return comment;
}
function attachComments(tree, providedComments, tokens) {
// At first, we should calculate extended comment ranges.
var comments = [], comment, len, i, cursor;
if (!tree.range) {
throw new Error('attachComments needs range information');
}
// tokens array is empty, we attach comments to tree as 'leadingComments'
if (!tokens.length) {
if (providedComments.length) {
for (i = 0, len = providedComments.length; i < len; i += 1) {
comment = deepCopy(providedComments[i]);
comment.extendedRange = [0, tree.range[0]];
comments.push(comment);
}
tree.leadingComments = comments;
}
return tree;
}
for (i = 0, len = providedComments.length; i < len; i += 1) {
comments.push(extendCommentRange(deepCopy(providedComments[i]), tokens));
}
// This is based on John Freeman's implementation.
cursor = 0;
traverse(tree, {
enter: function (node) {
var comment;
while (cursor < comments.length) {
comment = comments[cursor];
if (comment.extendedRange[1] > node.range[0]) {
break;
}
if (comment.extendedRange[1] === node.range[0]) {
if (!node.leadingComments) {
node.leadingComments = [];
}
node.leadingComments.push(comment);
comments.splice(cursor, 1);
} else {
cursor += 1;
}
}
// already out of owned node
if (cursor === comments.length) {
return VisitorOption.Break;
}
if (comments[cursor].extendedRange[0] > node.range[1]) {
return VisitorOption.Skip;
}
}
});
cursor = 0;
traverse(tree, {
leave: function (node) {
var comment;
while (cursor < comments.length) {
comment = comments[cursor];
if (node.range[1] < comment.extendedRange[0]) {
break;
}
if (node.range[1] === comment.extendedRange[0]) {
if (!node.trailingComments) {
node.trailingComments = [];
}
node.trailingComments.push(comment);
comments.splice(cursor, 1);
} else {
cursor += 1;
}
}
// already out of owned node
if (cursor === comments.length) {
return VisitorOption.Break;
}
if (comments[cursor].extendedRange[0] > node.range[1]) {
return VisitorOption.Skip;
}
}
});
return tree;
}
exports.Syntax = Syntax;
exports.traverse = traverse;
exports.replace = replace;
exports.attachComments = attachComments;
exports.VisitorKeys = VisitorKeys;
exports.VisitorOption = VisitorOption;
exports.Controller = Controller;
exports.cloneEnvironment = function () { return clone({}); };
return exports;
}(exports));
/* vim: set sw=4 ts=4 et tw=80 : */
});
var parser = createCommonjsModule(function (module) {
/*
* Generated by PEG.js 0.10.0.
*
* http://pegjs.org/
*/
(function(root, factory) {
if ( module.exports) {
module.exports = factory();
}
})(commonjsGlobal, function() {
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$c0 = function(ss) {
return ss.length === 1 ? ss[0] : { type: 'matches', selectors: ss };
},
peg$c1 = function() { return void 0; },
peg$c2 = " ",
peg$c3 = peg$literalExpectation(" ", false),
peg$c4 = /^[^ [\],():#!=><~+.]/,
peg$c5 = peg$classExpectation([" ", "[", "]", ",", "(", ")", ":", "#", "!", "=", ">", "<", "~", "+", "."], true, false),
peg$c6 = function(i) { return i.join(''); },
peg$c7 = ">",
peg$c8 = peg$literalExpectation(">", false),
peg$c9 = function() { return 'child'; },
peg$c10 = "~",
peg$c11 = peg$literalExpectation("~", false),
peg$c12 = function() { return 'sibling'; },
peg$c13 = "+",
peg$c14 = peg$literalExpectation("+", false),
peg$c15 = function() { return 'adjacent'; },
peg$c16 = function() { return 'descendant'; },
peg$c17 = ",",
peg$c18 = peg$literalExpectation(",", false),
peg$c19 = function(s, ss) {
return [s].concat(ss.map(function (s) { return s[3]; }));
},
peg$c20 = function(a, ops) {
return ops.reduce(function (memo, rhs) {
return { type: rhs[0], left: memo, right: rhs[1] };
}, a);
},
peg$c21 = "!",
peg$c22 = peg$literalExpectation("!", false),
peg$c23 = function(subject, as) {
const b = as.length === 1 ? as[0] : { type: 'compound', selectors: as };
if(subject) b.subject = true;
return b;
},
peg$c24 = "*",
peg$c25 = peg$literalExpectation("*", false),
peg$c26 = function(a) { return { type: 'wildcard', value: a }; },
peg$c27 = "#",
peg$c28 = peg$literalExpectation("#", false),
peg$c29 = function(i) { return { type: 'identifier', value: i }; },
peg$c30 = "[",
peg$c31 = peg$literalExpectation("[", false),
peg$c32 = "]",
peg$c33 = peg$literalExpectation("]", false),
peg$c34 = function(v) { return v; },
peg$c35 = /^[><!]/,
peg$c36 = peg$classExpectation([">", "<", "!"], false, false),
peg$c37 = "=",
peg$c38 = peg$literalExpectation("=", false),
peg$c39 = function(a) { return (a || '') + '='; },
peg$c40 = /^[><]/,
peg$c41 = peg$classExpectation([">", "<"], false, false),
peg$c42 = ".",
peg$c43 = peg$literalExpectation(".", false),
peg$c44 = function(name, op, value) {
return { type: 'attribute', name: name, operator: op, value: value };
},
peg$c45 = function(name) { return { type: 'attribute', name: name }; },
peg$c46 = "\"",
peg$c47 = peg$literalExpectation("\"", false),
peg$c48 = /^[^\\"]/,
peg$c49 = peg$classExpectation(["\\", "\""], true, false),
peg$c50 = "\\",
peg$c51 = peg$literalExpectation("\\", false),
peg$c52 = peg$anyExpectation(),
peg$c53 = function(a, b) { return a + b; },
peg$c54 = function(d) {
return { type: 'literal', value: strUnescape(d.join('')) };
},
peg$c55 = "'",
peg$c56 = peg$literalExpectation("'", false),
peg$c57 = /^[^\\']/,
peg$c58 = peg$classExpectation(["\\", "'"], true, false),
peg$c59 = /^[0-9]/,
peg$c60 = peg$classExpectation([["0", "9"]], false, false),
peg$c61 = function(a, b) {
// Can use `a.flat().join('')` once supported
const leadingDecimals = a ? [].concat.apply([], a).join('') : '';
return { type: 'literal', value: parseFloat(leadingDecimals + b.join('')) };
},
peg$c62 = function(i) { return { type: 'literal', value: i }; },
peg$c63 = "type(",
peg$c64 = peg$literalExpectation("type(", false),
peg$c65 = /^[^ )]/,
peg$c66 = peg$classExpectation([" ", ")"], true, false),
peg$c67 = ")",
peg$c68 = peg$literalExpectation(")", false),
peg$c69 = function(t) { return { type: 'type', value: t.join('') }; },
peg$c70 = /^[imsu]/,
peg$c71 = peg$classExpectation(["i", "m", "s", "u"], false, false),
peg$c72 = "/",
peg$c73 = peg$literalExpectation("/", false),
peg$c74 = /^[^\/]/,
peg$c75 = peg$classExpectation(["/"], true, false),
peg$c76 = function(d, flgs) { return {
type: 'regexp', value: new RegExp(d.join(''), flgs ? flgs.join('') : '') };
},
peg$c77 = function(i, is) {
return { type: 'field', name: is.reduce(function(memo, p){ return memo + p[0] + p[1]; }, i)};
},
peg$c78 = ":not(",
peg$c79 = peg$literalExpectation(":not(", false),
peg$c80 = function(ss) { return { type: 'not', selectors: ss }; },
peg$c81 = ":matches(",
peg$c82 = peg$literalExpectation(":matches(", false),
peg$c83 = function(ss) { return { type: 'matches', selectors: ss }; },
peg$c84 = ":has(",
peg$c85 = peg$literalExpectation(":has(", false),
peg$c86 = function(ss) { return { type: 'has', selectors: ss }; },
peg$c87 = ":first-child",
peg$c88 = peg$literalExpectation(":first-child", false),
peg$c89 = function() { return nth(1); },
peg$c90 = ":last-child",
peg$c91 = peg$literalExpectation(":last-child", false),
peg$c92 = function() { return nthLast(1); },
peg$c93 = ":nth-child(",
peg$c94 = peg$literalExpectation(":nth-child(", false),
peg$c95 = function(n) { return nth(parseInt(n.join(''), 10)); },
peg$c96 = ":nth-last-child(",
peg$c97 = peg$literalExpectation(":nth-last-child(", false),
peg$c98 = function(n) { return nthLast(parseInt(n.join(''), 10)); },
peg$c99 = ":",
peg$c100 = peg$literalExpectation(":", false),
peg$c101 = "statement",
peg$c102 = peg$literalExpectation("statement", true),
peg$c103 = "expression",
peg$c104 = peg$literalExpectation("expression", true),
peg$c105 = "declaration",
peg$c106 = peg$literalExpectation("declaration", true),
peg$c107 = "function",
peg$c108 = peg$literalExpectation("function", true),
peg$c109 = "pattern",
peg$c110 = peg$literalExpectation("pattern", true),
peg$c111 = function(c) {
return { type: 'class', name: c };
},
peg$currPos = 0,
peg$posDetailsCache = [{ line: 1, column: 1 }],
peg$maxFailPos = 0,
peg$maxFailExpected = [],
peg$resultsCache = {},
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 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$computePosDetails(pos) {
var details = peg$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$maxFailExpected.push(expected);
}
function peg$buildStructuredError(expected, found, location) {
return new peg$SyntaxError(
peg$SyntaxError.buildMessage(expected, found),
expected,
found,
location
);
}
function peg$parsestart() {
var s0, s1, s2, s3;
var key = peg$currPos * 30 + 0,
cached = peg$resultsCache[key];
if (cached) {
peg$currPos = cached.nextPos;
return cached.result;
}
s0 = peg$currPos;
s1 = peg$parse_();
if (s1 !== peg$FAILED) {
s2 = peg$parseselectors();
if (s2 !== peg$FAILED) {
s3 = peg$parse_();
if (s3 !== peg$FAILED) {
s1 = peg$c0(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) {
s1 = peg$c1();
}
s0 = s1;
}
peg$resultsCache[key] = { nextPos: peg$currPos, result: s0 };
return s0;
}
function peg$parse_() {
var s0, s1;
var key = peg$currPos * 30 + 1,
cached = peg$resultsCache[key];
if (cached) {
peg$currPos = cached.nextPos;
return cached.result;
}
s0 = [];
if (input.charCodeAt(peg$currPos) === 32) {
s1 = peg$c2;
peg$currPos++;
} else {
s1 = peg$FAILED;
{ peg$fail(peg$c3); }
}
while (s1 !== peg$FAILED) {
s0.push(s1);
if (input.charCodeAt(peg$currPos) === 32) {
s1 = peg$c2;
peg$currPos++;
} else {
s1 = peg$FAILED;
{ peg$fail(peg$c3); }
}
}
peg$resultsCache[key] = { nextPos: peg$currPos, result: s0 };
return s0;
}
function peg$parseidentifierName() {
var s0, s1, s2;
var key = peg$currPos * 30 + 2,
cached = peg$resultsCache[key];
if (cached) {
peg$currPos = cached.nextPos;
return cached.result;
}
s0 = peg$currPos;
s1 = [];
if (peg$c4.test(input.charAt(peg$currPos))) {
s2 = input.charAt(peg$currPos);
peg$currPos++;
} else {
s2 = peg$FAILED;
{ peg$fail(peg$c5); }
}
if (s2 !== peg$FAILED) {
while (s2 !== peg$FAILED) {
s1.push(s2);
if (peg$c4.test(input.charAt(peg$currPos))) {
s2 = input.charAt(peg$currPos);
peg$currPos++;
} else {
s2 = peg$FAILED;
{ peg$fail(peg$c5); }
}
}
} else {
s1 = peg$FAILED;
}
if (s1 !== peg$FAILED) {
s1 = peg$c6(s1);
}
s0 = s1;
peg$resultsCache[key] = { nextPos: peg$currPos, result: s0 };
return s0;
}
function peg$parsebinaryOp() {
var s0, s1, s2, s3;
var key = peg$currPos * 30 + 3,
cached = peg$resultsCache[key];
if (cached) {
peg$currPos = cached.nextPos;
return cached.result;
}
s0 = peg$currPos;
s1 = peg$parse_();
if (s1 !== peg$FAILED) {
if (input.charCodeAt(peg$currPos) === 62) {
s2 = peg$c7;
peg$currPos++;
} else {
s2 = peg$FAILED;
{ peg$fail(peg$c8); }
}
if (s2 !== peg$FAILED) {
s3 = peg$parse_();
if (s3 !== peg$FAILED) {
s1 = peg$c9();
s0 = s1;
} else {
peg$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$FAILED) {
if (input.charCodeAt(peg$currPos) === 126) {
s2 = peg$c10;
peg$currPos++;
} else {
s2 = peg$FAILED;
{ peg$fail(peg$c11); }
}
if (s2 !== peg$FAILED) {
s3 = peg$parse_();
if (s3 !== peg$FAILED) {
s1 = peg$c12();
s0 = s1;
} else {
peg$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$FAILED) {
if (input.charCodeAt(peg$currPos) === 43) {
s2 = peg$c13;
peg$currPos++;
} else {
s2 = peg$FAILED;
{ peg$fail(peg$c14); }
}
if (s2 !== peg$FAILED) {
s3 = peg$parse_();
if (s3 !== peg$FAILED) {
s1 = peg$c15();
s0 = s1;
} else {
peg$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$currPos;
if (input.charCodeAt(peg$currPos) === 32) {
s1 = peg$c2;
peg$currPos++;
} else {
s1 = peg$FAILED;
{ peg$fail(peg$c3); }
}
if (s1 !== peg$FAILED) {
s2 = peg$parse_();
if (s2 !== peg$FAILED) {
s1 = peg$c16();
s0 = s1;
} else {
peg$currPos = s0;
s0 = peg$FAILED;
}
} else {
peg$currPos = s0;
s0 = peg$FAILED;
}
}
}
}
peg$resultsCache[key] = { nextPos: peg$currPos, result: s0 };
return s0;
}
function peg$parseselectors() {
var s0, s1, s2, s3, s4, s5, s6, s7;
var key = peg$currPos * 30 + 4,
cached = peg$resultsCache[key];
if (cached) {
peg$currPos = cached.nextPos;
return cached.result;
}
s0 = peg$currPos;
s1 = peg$parseselector();
if (s1 !== peg$FAILED) {
s2 = [];
s3 = peg$currPos;
s4 = peg$parse_();
if (s4 !== peg$FAILED) {
if (input.charCodeAt(peg$currPos) === 44) {
s5 = peg$c17;
peg$currPos++;
} else {
s5 = peg$FAILED;
{ peg$fail(peg$c18); }
}
if (s5 !== peg$FAILED) {
s6 = peg$parse_();
if (s6 !== peg$FAILED) {
s7 = peg$parseselector();
if (s7 !== peg$FAILED) {
s4 = [s4, s5, s6, s7];
s3 = s4;
} else {
peg$currPos = s3;
s3 = peg$FAILED;
}
} else {
peg$currPos = s3;
s3 = peg$FAILED;
}
} 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) {
if (input.charCodeAt(peg$currPos) === 44) {
s5 = peg$c17;
peg$currPos++;
} else {
s5 = peg$FAILED;
{ peg$fail(peg$c18); }
}
if (s5 !== peg$FAILED) {
s6 = peg$parse_();
if (s6 !== peg$FAILED) {
s7 = peg$parseselector();
if (s7 !== peg$FAILED) {
s4 = [s4, s5, s6, s7];
s3 = s4;
} else {
peg$currPos = s3;
s3 = peg$FAILED;
}
} else {
peg$currPos = s3;
s3 = peg$FAILED;
}
} else {
peg$currPos = s3;
s3 = peg$FAILED;
}
} else {
peg$currPos = s3;
s3 = peg$FAILED;
}
}
if (s2 !== peg$FAILED) {
s1 = peg$c19(s1, s2);
s0 = s1;
} else {
peg$currPos = s0;
s0 = peg$FAILED;
}
} else {
peg$currPos = s0;
s0 = peg$FAILED;
}
peg$resultsCache[key] = { nextPos: peg$currPos, result: s0 };
return s0;
}
function peg$parseselector() {
var s0, s1, s2, s3, s4, s5;
var key = peg$currPos * 30 + 5,
cached = peg$resultsCache[key];
if (cached) {
peg$currPos = cached.nextPos;
return cached.result;
}
s0 = peg$currPos;
s1 = peg$parsesequence();
if (s1 !== peg$FAILED) {
s2 = [];
s3 = peg$currPos;
s4 = peg$parsebinaryOp();
if (s4 !== peg$FAILED) {
s5 = peg$parsesequence();
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$currPos;
s4 = peg$parsebinaryOp();
if (s4 !== peg$FAILED) {
s5 = peg$parsesequence();
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 = peg$c20(s1, s2);
s0 = s1;
} else {
peg$currPos = s0;
s0 = peg$FAILED;
}
} else {
peg$currPos = s0;
s0 = peg$FAILED;
}
peg$resultsCache[key] = { nextPos: peg$currPos, result: s0 };
return s0;
}
function peg$parsesequence() {
var s0, s1, s2, s3;
var key = peg$currPos * 30 + 6,
cached = peg$resultsCache[key];
if (cached) {
peg$currPos = cached.nextPos;
return cached.result;
}
s0 = peg$currPos;
if (input.charCodeAt(peg$currPos) === 33) {
s1 = peg$c21;
peg$currPos++;
} else {
s1 = peg$FAILED;
{ peg$fail(peg$c22); }
}
if (s1 === peg$FAILED) {
s1 = null;
}
if (s1 !== peg$FAILED) {
s2 = [];
s3 = peg$parseatom();
if (s3 !== peg$FAILED) {
while (s3 !== peg$FAILED) {
s2.push(s3);
s3 = peg$parseatom();
}
} else {
s2 = peg$FAILED;
}
if (s2 !== peg$FAILED) {
s1 = peg$c23(s1, s2);
s0 = s1;
} else {
peg$currPos = s0;
s0 = peg$FAILED;
}
} else {
peg$currPos = s0;
s0 = peg$FAILED;
}
peg$resultsCache[key] = { nextPos: peg$currPos, result: s0 };
return s0;
}
function peg$parseatom() {
var s0;
var key = peg$currPos * 30 + 7,
cached = peg$resultsCache[key];
if (cached) {
peg$currPos = cached.nextPos;
return cached.result;
}
s0 = peg$parsewildcard();
if (s0 === peg$FAILED) {
s0 = peg$parseidentifier();
if (s0 === peg$FAILED) {
s0 = peg$parseattr();
if (s0 === peg$FAILED) {
s0 = peg$parsefield();
if (s0 === peg$FAILED) {
s0 = peg$parsenegation();
if (s0 === peg$FAILED) {
s0 = peg$parsematches();
if (s0 === peg$FAILED) {
s0 = peg$parsehas();
if (s0 === peg$FAILED) {
s0 = peg$parsefirstChild();
if (s0 === peg$FAILED) {
s0 = peg$parselastChild();
if (s0 === peg$FAILED) {
s0 = peg$parsenthChild();
if (s0 === peg$FAILED) {
s0 = peg$parsenthLastChild();
if (s0 === peg$FAILED) {
s0 = peg$parseclass();
}
}
}
}
}
}
}
}
}
}
}
peg$resultsCache[key] = { nextPos: peg$currPos, result: s0 };
return s0;
}
function peg$parsewildcard() {
var s0, s1;
var key = peg$currPos * 30 + 8,
cached = peg$resultsCache[key];
if (cached) {
peg$currPos = cached.nextPos;
return cached.result;
}
s0 = peg$currPos;
if (input.charCodeAt(peg$currPos) === 42) {
s1 = peg$c24;
peg$currPos++;
} else {
s1 = peg$FAILED;
{ peg$fail(peg$c25); }
}
if (s1 !== peg$FAILED) {
s1 = peg$c26(s1);
}
s0 = s1;
peg$resultsCache[key] = { nextPos: peg$currPos, result: s0 };
return s0;
}
function peg$parseidentifier() {
var s0, s1, s2;
var key = peg$currPos * 30 + 9,
cached = peg$resultsCache[key];
if (cached) {
peg$currPos = cached.nextPos;
return cached.result;
}
s0 = peg$currPos;
if (input.charCodeAt(peg$currPos) === 35) {
s1 = peg$c27;
peg$currPos++;
} else {
s1 = peg$FAILED;
{ peg$fail(peg$c28); }
}
if (s1 === peg$FAILED) {
s1 = null;
}
if (s1 !== peg$FAILED) {
s2 = peg$parseidentifierName();
if (s2 !== peg$FAILED) {
s1 = peg$c29(s2);
s0 = s1;
} else {
peg$currPos = s0;
s0 = peg$FAILED;
}
} else {
peg$currPos = s0;
s0 = peg$FAILED;
}
peg$resultsCache[key] = { nextPos: peg$currPos, result: s0 };
return s0;
}
function peg$parseattr() {
var s0, s1, s2, s3, s4, s5;
var key = peg$currPos * 30 + 10,
cached = peg$resultsCache[key];
if (cached) {
peg$currPos = cached.nextPos;
return cached.result;
}
s0 = peg$currPos;
if (input.charCodeAt(peg$currPos) === 91) {
s1 = peg$c30;
peg$currPos++;
} else {
s1 = peg$FAILED;
{ peg$fail(peg$c31); }
}
if (s1 !== peg$FAILED) {
s2 = peg$parse_();
if (s2 !== peg$FAILED) {
s3 = peg$parseattrValue();
if (s3 !== peg$FAILED) {
s4 = peg$parse_();
if (s4 !== peg$FAILED) {
if (input.charCodeAt(peg$currPos) === 93) {
s5 = peg$c32;
peg$currPos++;
} else {
s5 = peg$FAILED;
{ peg$fail(peg$c33); }
}
if (s5 !== peg$FAILED) {
s1 = peg$c34(s3);
s0 = s1;
} else {
peg$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$FAILED;
}
peg$resultsCache[key] = { nextPos: peg$currPos, result: s0 };
return s0;
}
function peg$parseattrOps() {
var s0, s1, s2;
var key = peg$currPos * 30 + 11,
cached = peg$resultsCache[key];
if (cached) {
peg$currPos = cached.nextPos;
return cached.result;
}
s0 = peg$currPos;
if (peg$c35.test(input.charAt(peg$currPos))) {
s1 = input.charAt(peg$currPos);
peg$currPos++;
} else {
s1 = peg$FAILED;
{ peg$fail(peg$c36); }
}
if (s1 === peg$FAILED) {
s1 = null;
}
if (s1 !== peg$FAILED) {
if (input.charCodeAt(peg$currPos) === 61) {
s2 = peg$c37;
peg$currPos++;
} else {
s2 = peg$FAILED;
{ peg$fail(peg$c38); }
}
if (s2 !== peg$FAILED) {
s1 = peg$c39(s1);
s0 = s1;
} else {
peg$currPos = s0;
s0 = peg$FAILED;
}
} else {
peg$currPos = s0;
s0 = peg$FAILED;
}
if (s0 === peg$FAILED) {
if (peg$c40.test(input.charAt(peg$currPos))) {
s0 = input.charAt(peg$currPos);
peg$currPos++;
} else {
s0 = peg$FAILED;
{ peg$fail(peg$c41); }
}
}
peg$resultsCache[key] = { nextPos: peg$currPos, result: s0 };
return s0;
}
function peg$parseattrEqOps() {
var s0, s1, s2;
var key = peg$currPos * 30 + 12,
cached = peg$resultsCache[key];
if (cached) {
peg$currPos = cached.nextPos;
return cached.result;
}
s0 = peg$currPos;
if (input.charCodeAt(peg$currPos) === 33) {
s1 = peg$c21;
peg$currPos++;
} else {
s1 = peg$FAILED;
{ peg$fail(peg$c22); }
}
if (s1 === peg$FAILED) {
s1 = null;
}
if (s1 !== peg$FAILED) {
if (input.charCodeAt(peg$currPos) === 61) {
s2 = peg$c37;
peg$currPos++;
} else {
s2 = peg$FAILED;
{ peg$fail(peg$c38); }
}
if (s2 !== peg$FAILED) {
s1 = peg$c39(s1);
s0 = s1;
} else {
peg$currPos = s0;
s0 = peg$FAILED;
}
} else {
peg$currPos = s0;
s0 = peg$FAILED;
}
peg$resultsCache[key] = { nextPos: peg$currPos, result: s0 };
return s0;
}
function peg$parseattrName() {
var s0, s1, s2;
var key = peg$currPos * 30 + 13,
cached = peg$resultsCache[key];
if (cached) {
peg$currPos = cached.nextPos;
return cached.result;
}
s0 = peg$currPos;
s1 = [];
s2 = peg$parseidentifierName();
if (s2 === peg$FAILED) {
if (input.charCodeAt(peg$currPos) === 46) {
s2 = peg$c42;
peg$currPos++;
} else {
s2 = peg$FAILED;
{ peg$fail(peg$c43); }
}
}
if (s2 !== peg$FAILED) {
while (s2 !== peg$FAILED) {
s1.push(s2);
s2 = peg$parseidentifierName();
if (s2 === peg$FAILED) {
if (input.charCodeAt(peg$currPos) === 46) {
s2 = peg$c42;
peg$currPos++;
} else {
s2 = peg$FAILED;
{ peg$fail(peg$c43); }
}
}
}
} else {
s1 = peg$FAILED;
}
if (s1 !== peg$FAILED) {
s1 = peg$c6(s1);
}
s0 = s1;
peg$resultsCache[key] = { nextPos: peg$currPos, result: s0 };
return s0;
}
function peg$parseattrValue() {
var s0, s1, s2, s3, s4, s5;
var key = peg$currPos * 30 + 14,
cached = peg$resultsCache[key];
if (cached) {
peg$currPos = cached.nextPos;
return cached.result;
}
s0 = peg$currPos;
s1 = peg$parseattrName();
if (s1 !== peg$FAILED) {
s2 = peg$parse_();
if (s2 !== peg$FAILED) {
s3 = peg$parseattrEqOps();
if (s3 !== peg$FAILED) {
s4 = peg$parse_();
if (s4 !== peg$FAILED) {
s5 = peg$parsetype();
if (s5 === peg$FAILED) {
s5 = peg$parseregex();
}
if (s5 !== peg$FAILED) {
s1 = peg$c44(s1, s3, s5);
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$parseattrName();
if (s1 !== peg$FAILED) {
s2 = peg$parse_();
if (s2 !== peg$FAILED) {
s3 = peg$parseattrOps();
if (s3 !== peg$FAILED) {
s4 = peg$parse_();
if (s4 !== peg$FAILED) {
s5 = peg$parsestring();
if (s5 === peg$FAILED) {
s5 = peg$parsenumber();
if (s5 === peg$FAILED) {
s5 = peg$parsepath();
}
}
if (s5 !== peg$FAILED) {
s1 = peg$c44(s1, s3, s5);
s0 = s1;
} else {
peg$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$currPos;
s1 = peg$parseattrName();
if (s1 !== peg$FAILED) {
s1 = peg$c45(s1);
}
s0 = s1;
}
}
peg$resultsCache[key] = { nextPos: peg$currPos, result: s0 };
return s0;
}
function peg$parsestring() {
var s0, s1, s2, s3, s4, s5;
var key = peg$currPos * 30 + 15,
cached = peg$resultsCache[key];
if (cached) {
peg$currPos = cached.nextPos;
return cached.result;
}
s0 = peg$currPos;
if (input.charCodeAt(peg$currPos) === 34) {
s1 = peg$c46;
peg$currPos++;
} else {
s1 = peg$FAILED;
{ peg$fail(peg$c47); }
}
if (s1 !== peg$FAILED) {
s2 = [];
if (peg$c48.test(input.charAt(peg$currPos))) {
s3 = input.charAt(peg$currPos);
peg$currPos++;
} else {
s3 = peg$FAILED;
{ peg$fail(peg$c49); }
}
if (s3 === peg$FAILED) {
s3 = peg$currPos;
if (input.charCodeAt(peg$currPos) === 92) {
s4 = peg$c50;
peg$currPos++;
} else {
s4 = peg$FAILED;
{ peg$fail(peg$c51); }
}
if (s4 !== peg$FAILED) {
if (input.length > peg$currPos) {
s5 = input.charAt(peg$currPos);
peg$currPos++;
} else {
s5 = peg$FAILED;
{ peg$fail(peg$c52); }
}
if (s5 !== peg$FAILED) {
s4 = peg$c53(s4, s5);
s3 = s4;
} else {
peg$currPos = s3;
s3 = peg$FAILED;
}
} else {
peg$currPos = s3;
s3 = peg$FAILED;
}
}
while (s3 !== peg$FAILED) {
s2.push(s3);
if (peg$c48.test(input.charAt(peg$currPos))) {
s3 = input.charAt(peg$currPos);
peg$currPos++;
} else {
s3 = peg$FAILED;
{ peg$fail(peg$c49); }
}
if (s3 === peg$FAILED) {
s3 = peg$currPos;
if (input.charCodeAt(peg$currPos) === 92) {
s4 = peg$c50;
peg$currPos++;
} else {
s4 = peg$FAILED;
{ peg$fail(peg$c51); }
}
if (s4 !== peg$FAILED) {
if (input.length > peg$currPos) {
s5 = input.charAt(peg$currPos);
peg$currPos++;
} else {
s5 = peg$FAILED;
{ peg$fail(peg$c52); }
}
if (s5 !== peg$FAILED) {
s4 = peg$c53(s4, s5);
s3 = s4;
} else {
peg$currPos = s3;
s3 = peg$FAILED;
}
} else {
peg$currPos = s3;
s3 = peg$FAILED;
}
}
}
if (s2 !== peg$FAILED) {
if (input.charCodeAt(peg$currPos) === 34) {
s3 = peg$c46;
peg$currPos++;
} else {
s3 = peg$FAILED;
{ peg$fail(peg$c47); }
}
if (s3 !== peg$FAILED) {
s1 = peg$c54(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;
if (input.charCodeAt(peg$currPos) === 39) {
s1 = peg$c55;
peg$currPos++;
} else {
s1 = peg$FAILED;
{ peg$fail(peg$c56); }
}
if (s1 !== peg$FAILED) {
s2 = [];
if (peg$c57.test(input.charAt(peg$currPos))) {
s3 = input.charAt(peg$currPos);
peg$currPos++;
} else {
s3 = peg$FAILED;
{ peg$fail(peg$c58); }
}
if (s3 === peg$FAILED) {
s3 = peg$currPos;
if (input.charCodeAt(peg$currPos) === 92) {
s4 = peg$c50;
peg$currPos++;
} else {
s4 = peg$FAILED;
{ peg$fail(peg$c51); }
}
if (s4 !== peg$FAILED) {
if (input.length > peg$currPos) {
s5 = input.charAt(peg$currPos);
peg$currPos++;
} else {
s5 = peg$FAILED;
{ peg$fail(peg$c52); }
}
if (s5 !== peg$FAILED) {
s4 = peg$c53(s4, s5);
s3 = s4;
} else {
peg$currPos = s3;
s3 = peg$FAILED;
}
} else {
peg$currPos = s3;
s3 = peg$FAILED;
}
}
while (s3 !== peg$FAILED) {
s2.push(s3);
if (peg$c57.test(input.charAt(peg$currPos))) {
s3 = input.charAt(peg$currPos);
peg$currPos++;
} else {
s3 = peg$FAILED;
{ peg$fail(peg$c58); }
}
if (s3 === peg$FAILED) {
s3 = peg$currPos;
if (input.charCodeAt(peg$currPos) === 92) {
s4 = peg$c50;
peg$currPos++;
} else {
s4 = peg$FAILED;
{ peg$fail(peg$c51); }
}
if (s4 !== peg$FAILED) {
if (input.length > peg$currPos) {
s5 = input.charAt(peg$currPos);
peg$currPos++;
} else {
s5 = peg$FAILED;
{ peg$fail(peg$c52); }
}
if (s5 !== peg$FAILED) {
s4 = peg$c53(s4, s5);
s3 = s4;
} else {
peg$currPos = s3;
s3 = peg$FAILED;
}
} else {
peg$currPos = s3;
s3 = peg$FAILED;
}
}
}
if (s2 !== peg$FAILED) {
if (input.charCodeAt(peg$currPos) === 39) {
s3 = peg$c55;
peg$currPos++;
} else {
s3 = peg$FAILED;
{ peg$fail(peg$c56); }
}
if (s3 !== peg$FAILED) {
s1 = peg$c54(s2);
s0 = s1;
} else {
peg$currPos = s0;
s0 = peg$FAILED;
}
} else {
peg$currPos = s0;
s0 = peg$FAILED;
}
} else {
peg$currPos = s0;
s0 = peg$FAILED;
}
}
peg$resultsCache[key] = { nextPos: peg$currPos, result: s0 };
return s0;
}
function peg$parsenumber() {
var s0, s1, s2, s3;
var key = peg$currPos * 30 + 16,
cached = peg$resultsCache[key];
if (cached) {
peg$currPos = cached.nextPos;
return cached.result;
}
s0 = peg$currPos;
s1 = peg$currPos;
s2 = [];
if (peg$c59.test(input.charAt(peg$currPos))) {
s3 = input.charAt(peg$currPos);
peg$currPos++;
} else {
s3 = peg$FAILED;
{ peg$fail(peg$c60); }
}
while (s3 !== peg$FAILED) {
s2.push(s3);
if (peg$c59.test(input.charAt(peg$currPos))) {
s3 = input.charAt(peg$currPos);
peg$currPos++;
} else {
s3 = peg$FAILED;
{ peg$fail(peg$c60); }
}
}
if (s2 !== peg$FAILED) {
if (input.charCodeAt(peg$currPos) === 46) {
s3 = peg$c42;
peg$currPos++;
} else {
s3 = peg$FAILED;
{ peg$fail(peg$c43); }
}
if (s3 !== peg$FAILED) {
s2 = [s2, s3];
s1 = s2;
} else {
peg$currPos = s1;
s1 = peg$FAILED;
}
} else {
peg$currPos = s1;
s1 = peg$FAILED;
}
if (s1 === peg$FAILED) {
s1 = null;
}
if (s1 !== peg$FAILED) {
s2 = [];
if (peg$c59.test(input.charAt(peg$currPos))) {
s3 = input.charAt(peg$currPos);
peg$currPos++;
} else {
s3 = peg$FAILED;
{ peg$fail(peg$c60); }
}
if (s3 !== peg$FAILED) {
while (s3 !== peg$FAILED) {
s2.push(s3);
if (peg$c59.test(input.charAt(peg$currPos))) {
s3 = input.charAt(peg$currPos);
peg$currPos++;
} else {
s3 = peg$FAILED;
{ peg$fail(peg$c60); }
}
}
} else {
s2 = peg$FAILED;
}
if (s2 !== peg$FAILED) {
s1 = peg$c61(s1, s2);
s0 = s1;
} else {
peg$currPos = s0;
s0 = peg$FAILED;
}
} else {
peg$currPos = s0;
s0 = peg$FAILED;
}
peg$resultsCache[key] = { nextPos: peg$currPos, result: s0 };
return s0;
}
function peg$parsepath() {
var s0, s1;
var key = peg$currPos * 30 + 17,
cached = peg$resultsCache[key];
if (cached) {
peg$currPos = cached.nextPos;
return cached.result;
}
s0 = peg$currPos;
s1 = peg$parseidentifierName();
if (s1 !== peg$FAILED) {
s1 = peg$c62(s1);
}
s0 = s1;
peg$resultsCache[key] = { nextPos: peg$currPos, result: s0 };
return s0;
}
function peg$parsetype() {
var s0, s1, s2, s3, s4, s5;
var key = peg$currPos * 30 + 18,
cached = peg$resultsCache[key];
if (cached) {
peg$currPos = cached.nextPos;
return cached.result;
}
s0 = peg$currPos;
if (input.substr(peg$currPos, 5) === peg$c63) {
s1 = peg$c63;
peg$currPos += 5;
} else {
s1 = peg$FAILED;
{ peg$fail(peg$c64); }
}
if (s1 !== peg$FAILED) {
s2 = peg$parse_();
if (s2 !== peg$FAILED) {
s3 = [];
if (peg$c65.test(input.charAt(peg$currPos))) {
s4 = input.charAt(peg$currPos);
peg$currPos++;
} else {
s4 = peg$FAILED;
{ peg$fail(peg$c66); }
}
if (s4 !== peg$FAILED) {
while (s4 !== peg$FAILED) {
s3.push(s4);
if (peg$c65.test(input.charAt(peg$currPos))) {
s4 = input.charAt(peg$currPos);
peg$currPos++;
} else {
s4 = peg$FAILED;
{ peg$fail(peg$c66); }
}
}
} else {
s3 = peg$FAILED;
}
if (s3 !== peg$FAILED) {
s4 = peg$parse_();
if (s4 !== peg$FAILED) {
if (input.charCodeAt(peg$currPos) === 41) {
s5 = peg$c67;
peg$currPos++;
} else {
s5 = peg$FAILED;
{ peg$fail(peg$c68); }
}
if (s5 !== peg$FAILED) {
s1 = peg$c69(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;
}
peg$resultsCache[key] = { nextPos: peg$currPos, result: s0 };
return s0;
}
function peg$parseflags() {
var s0, s1;
var key = peg$currPos * 30 + 19,
cached = peg$resultsCache[key];
if (cached) {
peg$currPos = cached.nextPos;
return cached.result;
}
s0 = [];
if (peg$c70.test(input.charAt(peg$currPos))) {
s1 = input.charAt(peg$currPos);
peg$currPos++;
} else {
s1 = peg$FAILED;
{ peg$fail(peg$c71); }
}
if (s1 !== peg$FAILED) {
while (s1 !== peg$FAILED) {
s0.push(s1);
if (peg$c70.test(input.charAt(peg$currPos))) {
s1 = input.charAt(peg$currPos);
peg$currPos++;
} else {
s1 = peg$FAILED;
{ peg$fail(peg$c71); }
}
}
} else {
s0 = peg$FAILED;
}
peg$resultsCache[key] = { nextPos: peg$currPos, result: s0 };
return s0;
}
function peg$parseregex() {
var s0, s1, s2, s3, s4;
var key = peg$currPos * 30 + 20,
cached = peg$resultsCache[key];
if (cached) {
peg$currPos = cached.nextPos;
return cached.result;
}
s0 = peg$currPos;
if (input.charCodeAt(peg$currPos) === 47) {
s1 = peg$c72;
peg$currPos++;
} else {
s1 = peg$FAILED;
{ peg$fail(peg$c73); }
}
if (s1 !== peg$FAILED) {
s2 = [];
if (peg$c74.test(input.charAt(peg$currPos))) {
s3 = input.charAt(peg$currPos);
peg$currPos++;
} else {
s3 = peg$FAILED;
{ peg$fail(peg$c75); }
}
if (s3 !== peg$FAILED) {
while (s3 !== peg$FAILED) {
s2.push(s3);
if (peg$c74.test(input.charAt(peg$currPos))) {
s3 = input.charAt(peg$currPos);
peg$currPos++;
} else {
s3 = peg$FAILED;
{ peg$fail(peg$c75); }
}
}
} else {
s2 = peg$FAILED;
}
if (s2 !== peg$FAILED) {
if (input.charCodeAt(peg$currPos) === 47) {
s3 = peg$c72;
peg$currPos++;
} else {
s3 = peg$FAILED;
{ peg$fail(peg$c73); }
}
if (s3 !== peg$FAILED) {
s4 = peg$parseflags();
if (s4 === peg$FAILED) {
s4 = null;
}
if (s4 !== peg$FAILED) {
s1 = peg$c76(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;
}
peg$resultsCache[key] = { nextPos: peg$currPos, result: s0 };
return s0;
}
function peg$parsefield() {
var s0, s1, s2, s3, s4, s5, s6;
var key = peg$currPos * 30 + 21,
cached = peg$resultsCache[key];
if (cached) {
peg$currPos = cached.nextPos;
return cached.result;
}
s0 = peg$currPos;
if (input.charCodeAt(peg$currPos) === 46) {
s1 = peg$c42;
peg$currPos++;
} else {
s1 = peg$FAILED;
{ peg$fail(peg$c43); }
}
if (s1 !== peg$FAILED) {
s2 = peg$parseidentifierName();
if (s2 !== peg$FAILED) {
s3 = [];
s4 = peg$currPos;
if (input.charCodeAt(peg$currPos) === 46) {
s5 = peg$c42;
peg$currPos++;
} else {
s5 = peg$FAILED;
{ peg$fail(peg$c43); }
}
if (s5 !== peg$FAILED) {
s6 = peg$parseidentifierName();
if (s6 !== peg$FAILED) {
s5 = [s5, s6];
s4 = s5;
} else {
peg$currPos = s4;
s4 = peg$FAILED;
}
} else {
peg$currPos = s4;
s4 = peg$FAILED;
}
while (s4 !== peg$FAILED) {
s3.push(s4);
s4 = peg$currPos;
if (input.charCodeAt(peg$currPos) === 46) {
s5 = peg$c42;
peg$currPos++;
} else {
s5 = peg$FAILED;
{ peg$fail(peg$c43); }
}
if (s5 !== peg$FAILED) {
s6 = peg$parseidentifierName();
if (s6 !== peg$FAILED) {
s5 = [s5, s6];
s4 = s5;
} else {
peg$currPos = s4;
s4 = peg$FAILED;
}
} else {
peg$currPos = s4;
s4 = peg$FAILED;
}
}
if (s3 !== peg$FAILED) {
s1 = peg$c77(s2, s3);
s0 = s1;
} else {
peg$currPos = s0;
s0 = peg$FAILED;
}
} else {
peg$currPos = s0;
s0 = peg$FAILED;
}
} else {
peg$currPos = s0;
s0 = peg$FAILED;
}
peg$resultsCache[key] = { nextPos: peg$currPos, result: s0 };
return s0;
}
function peg$parsenegation() {
var s0, s1, s2, s3, s4, s5;
var key = peg$currPos * 30 + 22,
cached = peg$resultsCache[key];
if (cached) {
peg$currPos = cached.nextPos;
return cached.result;
}
s0 = peg$currPos;
if (input.substr(peg$currPos, 5) === peg$c78) {
s1 = peg$c78;
peg$currPos += 5;
} else {
s1 = peg$FAILED;
{ peg$fail(peg$c79); }
}
if (s1 !== peg$FAILED) {
s2 = peg$parse_();
if (s2 !== peg$FAILED) {
s3 = peg$parseselectors();
if (s3 !== peg$FAILED) {
s4 = peg$parse_();
if (s4 !== peg$FAILED) {
if (input.charCodeAt(peg$currPos) === 41) {
s5 = peg$c67;
peg$currPos++;
} else {
s5 = peg$FAILED;
{ peg$fail(peg$c68); }
}
if (s5 !== peg$FAILED) {
s1 = peg$c80(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;
}
peg$resultsCache[key] = { nextPos: peg$currPos, result: s0 };
return s0;
}
function peg$parsematches() {
var s0, s1, s2, s3, s4, s5;
var key = peg$currPos * 30 + 23,
cached = peg$resultsCache[key];
if (cached) {
peg$currPos = cached.nextPos;
return cached.result;
}
s0 = peg$currPos;
if (input.substr(peg$currPos, 9) === peg$c81) {
s1 = peg$c81;
peg$currPos += 9;
} else {
s1 = peg$FAILED;
{ peg$fail(peg$c82); }
}
if (s1 !== peg$FAILED) {
s2 = peg$parse_();
if (s2 !== peg$FAILED) {
s3 = peg$parseselectors();
if (s3 !== peg$FAILED) {
s4 = peg$parse_();
if (s4 !== peg$FAILED) {
if (input.charCodeAt(peg$currPos) === 41) {
s5 = peg$c67;
peg$currPos++;
} else {
s5 = peg$FAILED;
{ peg$fail(peg$c68); }
}
if (s5 !== peg$FAILED) {
s1 = peg$c83(s3);
s0 = s1;
} else {
peg$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$FAILED;
}
peg$resultsCache[key] = { nextPos: peg$currPos, result: s0 };
return s0;
}
function peg$parsehas() {
var s0, s1, s2, s3, s4, s5;
var key = peg$currPos * 30 + 24,
cached = peg$resultsCache[key];
if (cached) {
peg$currPos = cached.nextPos;
return cached.result;
}
s0 = peg$currPos;
if (input.substr(peg$currPos, 5) === peg$c84) {
s1 = peg$c84;
peg$currPos += 5;
} else {
s1 = peg$FAILED;
{ peg$fail(peg$c85); }
}
if (s1 !== peg$FAILED) {
s2 = peg$parse_();
if (s2 !== peg$FAILED) {
s3 = peg$parseselectors();
if (s3 !== peg$FAILED) {
s4 = peg$parse_();
if (s4 !== peg$FAILED) {
if (input.charCodeAt(peg$currPos) === 41) {
s5 = peg$c67;
peg$currPos++;
} else {
s5 = peg$FAILED;
{ peg$fail(peg$c68); }
}
if (s5 !== peg$FAILED) {
s1 = peg$c86(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;
}
peg$resultsCache[key] = { nextPos: peg$currPos, result: s0 };
return s0;
}
function peg$parsefirstChild() {
var s0, s1;
var key = peg$currPos * 30 + 25,
cached = peg$resultsCache[key];
if (cached) {
peg$currPos = cached.nextPos;
return cached.result;
}
s0 = peg$currPos;
if (input.substr(peg$currPos, 12) === peg$c87) {
s1 = peg$c87;
peg$currPos += 12;
} else {
s1 = peg$FAILED;
{ peg$fail(peg$c88); }
}
if (s1 !== peg$FAILED) {
s1 = peg$c89();
}
s0 = s1;
peg$resultsCache[key] = { nextPos: peg$currPos, result: s0 };
return s0;
}
function peg$parselastChild() {
var s0, s1;
var key = peg$currPos * 30 + 26,
cached = peg$resultsCache[key];
if (cached) {
peg$currPos = cached.nextPos;
return cached.result;
}
s0 = peg$currPos;
if (input.substr(peg$currPos, 11) === peg$c90) {
s1 = peg$c90;
peg$currPos += 11;
} else {
s1 = peg$FAILED;
{ peg$fail(peg$c91); }
}
if (s1 !== peg$FAILED) {
s1 = peg$c92();
}
s0 = s1;
peg$resultsCache[key] = { nextPos: peg$currPos, result: s0 };
return s0;
}
function peg$parsenthChild() {
var s0, s1, s2, s3, s4, s5;
var key = peg$currPos * 30 + 27,
cached = peg$resultsCache[key];
if (cached) {
peg$currPos = cached.nextPos;
return cached.result;
}
s0 = peg$currPos;
if (input.substr(peg$currPos, 11) === peg$c93) {
s1 = peg$c93;
peg$currPos += 11;
} else {
s1 = peg$FAILED;
{ peg$fail(peg$c94); }
}
if (s1 !== peg$FAILED) {
s2 = peg$parse_();
if (s2 !== peg$FAILED) {
s3 = [];
if (peg$c59.test(input.charAt(peg$currPos))) {
s4 = input.charAt(peg$currPos);
peg$currPos++;
} else {
s4 = peg$FAILED;
{ peg$fail(peg$c60); }
}
if (s4 !== peg$FAILED) {
while (s4 !== peg$FAILED) {
s3.push(s4);
if (peg$c59.test(input.charAt(peg$currPos))) {
s4 = input.charAt(peg$currPos);
peg$currPos++;
} else {
s4 = peg$FAILED;
{ peg$fail(peg$c60); }
}
}
} else {
s3 = peg$FAILED;
}
if (s3 !== peg$FAILED) {
s4 = peg$parse_();
if (s4 !== peg$FAILED) {
if (input.charCodeAt(peg$currPos) === 41) {
s5 = peg$c67;
peg$currPos++;
} else {
s5 = peg$FAILED;
{ peg$fail(peg$c68); }
}
if (s5 !== peg$FAILED) {
s1 = peg$c95(s3);
s0 = s1;
} else {
peg$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$FAILED;
}
peg$resultsCache[key] = { nextPos: peg$currPos, result: s0 };
return s0;
}
function peg$parsenthLastChild() {
var s0, s1, s2, s3, s4, s5;
var key = peg$currPos * 30 + 28,
cached = peg$resultsCache[key];
if (cached) {
peg$currPos = cached.nextPos;
return cached.result;
}
s0 = peg$currPos;
if (input.substr(peg$currPos, 16) === peg$c96) {
s1 = peg$c96;
peg$currPos += 16;
} else {
s1 = peg$FAILED;
{ peg$fail(peg$c97); }
}
if (s1 !== peg$FAILED) {
s2 = peg$parse_();
if (s2 !== peg$FAILED) {
s3 = [];
if (peg$c59.test(input.charAt(peg$currPos))) {
s4 = input.charAt(peg$currPos);
peg$currPos++;
} else {
s4 = peg$FAILED;
{ peg$fail(peg$c60); }
}
if (s4 !== peg$FAILED) {
while (s4 !== peg$FAILED) {
s3.push(s4);
if (peg$c59.test(input.charAt(peg$currPos))) {
s4 = input.charAt(peg$currPos);
peg$currPos++;
} else {
s4 = peg$FAILED;
{ peg$fail(peg$c60); }
}
}
} else {
s3 = peg$FAILED;
}
if (s3 !== peg$FAILED) {
s4 = peg$parse_();
if (s4 !== peg$FAILED) {
if (input.charCodeAt(peg$currPos) === 41) {
s5 = peg$c67;
peg$currPos++;
} else {
s5 = peg$FAILED;
{ peg$fail(peg$c68); }
}
if (s5 !== peg$FAILED) {
s1 = peg$c98(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;
}
peg$resultsCache[key] = { nextPos: peg$currPos, result: s0 };
return s0;
}
function peg$parseclass() {
var s0, s1, s2;
var key = peg$currPos * 30 + 29,
cached = peg$resultsCache[key];
if (cached) {
peg$currPos = cached.nextPos;
return cached.result;
}
s0 = peg$currPos;
if (input.charCodeAt(peg$currPos) === 58) {
s1 = peg$c99;
peg$currPos++;
} else {
s1 = peg$FAILED;
{ peg$fail(peg$c100); }
}
if (s1 !== peg$FAILED) {
if (input.substr(peg$currPos, 9).toLowerCase() === peg$c101) {
s2 = input.substr(peg$currPos, 9);
peg$currPos += 9;
} else {
s2 = peg$FAILED;
{ peg$fail(peg$c102); }
}
if (s2 === peg$FAILED) {
if (input.substr(peg$currPos, 10).toLowerCase() === peg$c103) {
s2 = input.substr(peg$currPos, 10);
peg$currPos += 10;
} else {
s2 = peg$FAILED;
{ peg$fail(peg$c104); }
}
if (s2 === peg$FAILED) {
if (input.substr(peg$currPos, 11).toLowerCase() === peg$c105) {
s2 = input.substr(peg$currPos, 11);
peg$currPos += 11;
} else {
s2 = peg$FAILED;
{ peg$fail(peg$c106); }
}
if (s2 === peg$FAILED) {
if (input.substr(peg$currPos, 8).toLowerCase() === peg$c107) {
s2 = input.substr(peg$currPos, 8);
peg$currPos += 8;
} else {
s2 = peg$FAILED;
{ peg$fail(peg$c108); }
}
if (s2 === peg$FAILED) {
if (input.substr(peg$currPos, 7).toLowerCase() === peg$c109) {
s2 = input.substr(peg$currPos, 7);
peg$currPos += 7;
} else {
s2 = peg$FAILED;
{ peg$fail(peg$c110); }
}
}
}
}
}
if (s2 !== peg$FAILED) {
s1 = peg$c111(s2);
s0 = s1;
} else {
peg$currPos = s0;
s0 = peg$FAILED;
}
} else {
peg$currPos = s0;
s0 = peg$FAILED;
}
peg$resultsCache[key] = { nextPos: peg$currPos, result: s0 };
return s0;
}
function nth(n) { return { type: 'nth-child', index: { type: 'literal', value: n } }; }
function nthLast(n) { return { type: 'nth-last-child', index: { type: 'literal', value: n } }; }
function strUnescape(s) {
return s.replace(/\\(.)/g, function(match, ch) {
switch(ch) {
case 'b': return '\b';
case 'f': return '\f';
case 'n': return '\n';
case 'r': return '\r';
case 't': return '\t';
case 'v': return '\v';
default: return ch;
}
});
}
peg$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$maxFailPos)
);
}
}
return {
SyntaxError: peg$SyntaxError,
parse: peg$parse
};
});
});
/* vim: set sw=4 sts=4 : */
/**
* @typedef {"LEFT_SIDE"|"RIGHT_SIDE"} Side
*/
const LEFT_SIDE = 'LEFT_SIDE';
const RIGHT_SIDE = 'RIGHT_SIDE';
/**
* @external AST
* @see https://esprima.readthedocs.io/en/latest/syntax-tree-format.html
*/
/**
* One of the rules of `grammar.pegjs`
* @typedef {PlainObject} SelectorAST
* @see grammar.pegjs
*/
/**
* The `sequence` production of `grammar.pegjs`
* @typedef {PlainObject} SelectorSequenceAST
*/
/**
* Get the value of a property which may be multiple levels down
* in the object.
* @param {?PlainObject} obj
* @param {string} key
* @returns {undefined|boolean|string|number|external:AST}
*/
function getPath(obj, key) {
const keys = key.split('.');
for (let 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`.
* @param {?external:AST} node
* @param {?external:AST} ancestor
* @param {string[]} path
* @returns {boolean}
*/
function inPath(node, ancestor, path) {
if (path.length === 0) { return node === ancestor; }
if (ancestor == null) { return false; }
const field = ancestor[path[0]];
const remainingPath = path.slice(1);
if (Array.isArray(field)) {
for (let 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`.
* @param {?external:AST} node
* @param {?SelectorAST} selector
* @param {external:AST[]} [ancestry=[]]
* @throws {Error} Unknowns (operator, class name, selector type, or
* selector value type)
* @returns {boolean}
*/
function matches(node, selector, ancestry) {
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': {
const path = selector.name.split('.');
const ancestor = ancestry[path.length - 1];
return inPath(node, ancestor, path);
}
case 'matches':
for (let i = 0, l = selector.selectors.length; i < l; ++i) {
if (matches(node, selector.selectors[i], ancestry)) { return true; }
}
return false;
case 'compound':
for (let i = 0, l = selector.selectors.length; i < l; ++i) {
if (!matches(node, selector.selectors[i], ancestry)) { return false; }
}
return true;
case 'not':
for (let i = 0, l = selector.selectors.length; i < l; ++i) {
if (matches(node, selector.selectors[i], ancestry)) { return false; }
}
return true;
case 'has': {
const collector = [];
for (let i = 0, l = selector.selectors.length; i < l; ++i) {
const a = [];
estraverse.traverse(node, {
enter (node, parent) {
if (parent != null) { a.unshift(parent); }
if (matches(node, selector.selectors[i], a)) {
collector.push(node);
}
},
leave () { a.shift(); },
fallback: 'iteration'
});
}
return collector.length !== 0;
}
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 (let i = 0, l = ancestry.length; i < l; ++i) {
if (matches(ancestry[i], selector.left, ancestry.slice(i + 1))) {
return true;
}
}
}
return false;
case 'attribute': {
const p = getPath(node, selector.name);
switch (selector.operator) {
case void 0:
return p != null;
case '=':
switch (selector.value.type) {
case 'regexp': return typeof p === 'string' && selector.value.value.test(p);
case 'literal': return `${selector.value.value}` === `${p}`;
case 'type': return selector.value.value === typeof p;
}
throw new Error(`Unknown selector value type: ${selector.value.type}`);
case '!=':
switch (selector.value.type) {
case 'regexp': return !selector.value.value.test(p);
case 'literal': return `${selector.value.value}` !== `${p}`;
case 'type': return selector.value.value !== typeof p;
}
throw new Error(`Unknown selector value type: ${selector.value.type}`);
case '<=': return p <= selector.value.value;
case '<': return p < selector.value.value;
case '>': return p > selector.value.value;
case '>=': return p >= selector.value.value;
}
throw new Error(`Unknown operator: ${selector.operator}`);
}
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 () {
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':
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.slice(-7) === 'Literal' ||
(
node.type === 'Identifier' &&
(ancestry.length === 0 || ancestry[0].type !== 'MetaProperty')
) ||
node.type === 'MetaProperty';
case 'function':
return node.type === 'FunctionDeclaration' ||
node.type === 'FunctionExpression' ||
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.
* @param {external:AST} node
* @param {SelectorSequenceAST} selector
* @param {external:AST[]} ancestry
* @param {Side} side
* @returns {boolean}
*/
function sibling(node, selector, ancestry, side) {
const [parent] = ancestry;
if (!parent) { return false; }
const keys = estraverse.VisitorKeys[parent.type];
for (let i = 0, l = keys.length; i < l; ++i) {
const listProp = parent[keys[i]];
if (Array.isArray(listProp)) {
const startIndex = listProp.indexOf(node);
if (startIndex < 0) { continue; }
let lowerBound, upperBound;
if (side === LEFT_SIDE) {
lowerBound = 0;
upperBound = startIndex;
} else {
lowerBound = startIndex + 1;
upperBound = listProp.length;
}
for (let k = lowerBound; k < upperBound; ++k) {
if (matches(listProp[k], selector, ancestry)) {
return true;
}
}
}
}
return false;
}
/**
* Determines if the given node has an adjacent sibling that matches
* the given selector.
* @param {external:AST} node
* @param {SelectorSequenceAST} selector
* @param {external:AST[]} ancestry
* @param {Side} side
* @returns {boolean}
*/
function adjacent(node, selector, ancestry, side) {
const [parent] = ancestry;
if (!parent) { return false; }
const keys = estraverse.VisitorKeys[parent.type];
for (let i = 0, l = keys.length; i < l; ++i) {
const listProp = parent[keys[i]];
if (Array.isArray(listProp)) {
const 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;
}
/**
* @callback IndexFunction
* @param {Integer} len Containing list's length
* @returns {Integer}
*/
/**
* Determines if the given node is the nth child, determined by
* `idxFn`, which is given the containing list's length.
* @param {external:AST} node
* @param {external:AST[]} ancestry
* @param {IndexFunction} idxFn
* @returns {boolean}
*/
function nthChild(node, ancestry, idxFn) {
const [parent] = ancestry;
if (!parent) { return false; }
const keys = estraverse.VisitorKeys[parent.type];
for (let i = 0, l = keys.length; i < l; ++i) {
const listProp = parent[keys[i]];
if (Array.isArray(listProp)) {
const 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.
* @param {SelectorAST} selector
* @param {SelectorAST} [ancestor] Defaults to `selector`
* @returns {SelectorAST[]}
*/
function subjects(selector, ancestor) {
if (selector == null || typeof selector != 'object') { return []; }
if (ancestor == null) { ancestor = selector; }
const results = selector.subject ? [ancestor] : [];
for (const [p, sel] of Object.entries(selector)) {
results.push(...subjects(sel, p === 'left' ? sel : ancestor));
}
return results;
}
/**
* From a JS AST and a selector AST, collect all JS AST nodes that
* match the selector.
* @param {external:AST} ast
* @param {?SelectorAST} selector
* @returns {external:AST[]}
*/
function match(ast, selector) {
const ancestry = [], results = [];
if (!selector) { return results; }
const altSubjects = subjects(selector);
estraverse.traverse(ast, {
enter (node, parent) {
if (parent != null) { ancestry.unshift(parent); }
if (matches(node, selector, ancestry)) {
if (altSubjects.length) {
for (let i = 0, l = altSubjects.length; i < l; ++i) {
if (matches(node, altSubjects[i], ancestry)) { results.push(node); }
for (let 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 () { ancestry.shift(); },
fallback: 'iteration'
});
return results;
}
/**
* Parse a selector string and return its AST.
* @param {string} selector
* @returns {SelectorAST}
*/
function parse(selector) {
return parser.parse(selector);
}
/**
* Query the code AST using the selector string.
* @param {external:AST} ast
* @param {string} selector
* @returns {external:AST[]}
*/
function query(ast, selector) {
return match(ast, parse(selector));
}
query.parse = parse;
query.match = match;
query.matches = matches;
query.query = query;
return query;
})));