some deletions
[dotfiles/.git] / .config / coc / extensions / node_modules / coc-prettier / node_modules / esquery / dist / esquery.esm.js
diff --git a/.config/coc/extensions/node_modules/coc-prettier/node_modules/esquery/dist/esquery.esm.js b/.config/coc/extensions/node_modules/coc-prettier/node_modules/esquery/dist/esquery.esm.js
deleted file mode 100644 (file)
index 88abe0f..0000000
+++ /dev/null
@@ -1,4545 +0,0 @@
-function _typeof(obj) {
-  "@babel/helpers - typeof";
-
-  if (typeof Symbol === "function" && typeof Symbol.iterator === "symbol") {
-    _typeof = function (obj) {
-      return typeof obj;
-    };
-  } else {
-    _typeof = function (obj) {
-      return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj;
-    };
-  }
-
-  return _typeof(obj);
-}
-
-function _slicedToArray(arr, i) {
-  return _arrayWithHoles(arr) || _iterableToArrayLimit(arr, i) || _unsupportedIterableToArray(arr, i) || _nonIterableRest();
-}
-
-function _toConsumableArray(arr) {
-  return _arrayWithoutHoles(arr) || _iterableToArray(arr) || _unsupportedIterableToArray(arr) || _nonIterableSpread();
-}
-
-function _arrayWithoutHoles(arr) {
-  if (Array.isArray(arr)) return _arrayLikeToArray(arr);
-}
-
-function _arrayWithHoles(arr) {
-  if (Array.isArray(arr)) return arr;
-}
-
-function _iterableToArray(iter) {
-  if (typeof Symbol !== "undefined" && Symbol.iterator in Object(iter)) return Array.from(iter);
-}
-
-function _iterableToArrayLimit(arr, i) {
-  if (typeof Symbol === "undefined" || !(Symbol.iterator in Object(arr))) return;
-  var _arr = [];
-  var _n = true;
-  var _d = false;
-  var _e = undefined;
-
-  try {
-    for (var _i = arr[Symbol.iterator](), _s; !(_n = (_s = _i.next()).done); _n = true) {
-      _arr.push(_s.value);
-
-      if (i && _arr.length === i) break;
-    }
-  } catch (err) {
-    _d = true;
-    _e = err;
-  } finally {
-    try {
-      if (!_n && _i["return"] != null) _i["return"]();
-    } finally {
-      if (_d) throw _e;
-    }
-  }
-
-  return _arr;
-}
-
-function _unsupportedIterableToArray(o, minLen) {
-  if (!o) return;
-  if (typeof o === "string") return _arrayLikeToArray(o, minLen);
-  var n = Object.prototype.toString.call(o).slice(8, -1);
-  if (n === "Object" && o.constructor) n = o.constructor.name;
-  if (n === "Map" || n === "Set") return Array.from(n);
-  if (n === "Arguments" || /^(?:Ui|I)nt(?:8|16|32)(?:Clamped)?Array$/.test(n)) return _arrayLikeToArray(o, minLen);
-}
-
-function _arrayLikeToArray(arr, len) {
-  if (len == null || len > arr.length) len = arr.length;
-
-  for (var i = 0, arr2 = new Array(len); i < len; i++) arr2[i] = arr[i];
-
-  return arr2;
-}
-
-function _nonIterableSpread() {
-  throw new TypeError("Invalid attempt to spread non-iterable instance.\nIn order to be iterable, non-array objects must have a [Symbol.iterator]() method.");
-}
-
-function _nonIterableRest() {
-  throw new TypeError("Invalid attempt to destructure non-iterable instance.\nIn order to be iterable, non-array objects must have a [Symbol.iterator]() method.");
-}
-
-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;
-    }
-
-    function candidateExistsInLeaveList(leavelist, candidate) {
-      for (var i = leavelist.length - 1; i >= 0; --i) {
-        if (leavelist[i].node === candidate) {
-          return true;
-        }
-      }
-
-      return false;
-    }
-
-    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 (candidateExistsInLeaveList(leavelist, 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)) {
-              if (candidateExistsInLeaveList(leavelist, candidate)) {
-                continue;
-              }
-
-              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 literal(expectation) {
-          return "\"" + literalEscape(expectation.text) + "\"";
-        },
-        "class": function _class(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 any(expectation) {
-          return "any character";
-        },
-        end: function end(expectation) {
-          return "end of input";
-        },
-        other: function other(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$c0 = function peg$c0(ss) {
-        return ss.length === 1 ? ss[0] : {
-          type: 'matches',
-          selectors: ss
-        };
-      },
-          peg$c1 = function peg$c1() {
-        return void 0;
-      },
-          peg$c2 = " ",
-          peg$c3 = peg$literalExpectation(" ", false),
-          peg$c4 = /^[^ [\],():#!=><~+.]/,
-          peg$c5 = peg$classExpectation([" ", "[", "]", ",", "(", ")", ":", "#", "!", "=", ">", "<", "~", "+", "."], true, false),
-          peg$c6 = function peg$c6(i) {
-        return i.join('');
-      },
-          peg$c7 = ">",
-          peg$c8 = peg$literalExpectation(">", false),
-          peg$c9 = function peg$c9() {
-        return 'child';
-      },
-          peg$c10 = "~",
-          peg$c11 = peg$literalExpectation("~", false),
-          peg$c12 = function peg$c12() {
-        return 'sibling';
-      },
-          peg$c13 = "+",
-          peg$c14 = peg$literalExpectation("+", false),
-          peg$c15 = function peg$c15() {
-        return 'adjacent';
-      },
-          peg$c16 = function peg$c16() {
-        return 'descendant';
-      },
-          peg$c17 = ",",
-          peg$c18 = peg$literalExpectation(",", false),
-          peg$c19 = function peg$c19(s, ss) {
-        return [s].concat(ss.map(function (s) {
-          return s[3];
-        }));
-      },
-          peg$c20 = function peg$c20(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 peg$c23(subject, as) {
-        var b = as.length === 1 ? as[0] : {
-          type: 'compound',
-          selectors: as
-        };
-        if (subject) b.subject = true;
-        return b;
-      },
-          peg$c24 = "*",
-          peg$c25 = peg$literalExpectation("*", false),
-          peg$c26 = function peg$c26(a) {
-        return {
-          type: 'wildcard',
-          value: a
-        };
-      },
-          peg$c27 = "#",
-          peg$c28 = peg$literalExpectation("#", false),
-          peg$c29 = function peg$c29(i) {
-        return {
-          type: 'identifier',
-          value: i
-        };
-      },
-          peg$c30 = "[",
-          peg$c31 = peg$literalExpectation("[", false),
-          peg$c32 = "]",
-          peg$c33 = peg$literalExpectation("]", false),
-          peg$c34 = function peg$c34(v) {
-        return v;
-      },
-          peg$c35 = /^[><!]/,
-          peg$c36 = peg$classExpectation([">", "<", "!"], false, false),
-          peg$c37 = "=",
-          peg$c38 = peg$literalExpectation("=", false),
-          peg$c39 = function peg$c39(a) {
-        return (a || '') + '=';
-      },
-          peg$c40 = /^[><]/,
-          peg$c41 = peg$classExpectation([">", "<"], false, false),
-          peg$c42 = ".",
-          peg$c43 = peg$literalExpectation(".", false),
-          peg$c44 = function peg$c44(name, op, value) {
-        return {
-          type: 'attribute',
-          name: name,
-          operator: op,
-          value: value
-        };
-      },
-          peg$c45 = function peg$c45(name) {
-        return {
-          type: 'attribute',
-          name: name
-        };
-      },
-          peg$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$c53 = function peg$c53(a, b) {
-        return a + b;
-      },
-          peg$c54 = function peg$c54(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 peg$c61(a, b) {
-        // Can use `a.flat().join('')` once supported
-        var leadingDecimals = a ? [].concat.apply([], a).join('') : '';
-        return {
-          type: 'literal',
-          value: parseFloat(leadingDecimals + b.join(''))
-        };
-      },
-          peg$c62 = function peg$c62(i) {
-        return {
-          type: 'literal',
-          value: i
-        };
-      },
-          peg$c63 = "type(",
-          peg$c64 = peg$literalExpectation("type(", false),
-          peg$c65 = /^[^ )]/,
-          peg$c66 = peg$classExpectation([" ", ")"], true, false),
-          peg$c67 = ")",
-          peg$c68 = peg$literalExpectation(")", false),
-          peg$c69 = function peg$c69(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 peg$c76(d, flgs) {
-        return {
-          type: 'regexp',
-          value: new RegExp(d.join(''), flgs ? flgs.join('') : '')
-        };
-      },
-          peg$c77 = function peg$c77(i, is) {
-        return {
-          type: 'field',
-          name: is.reduce(function (memo, p) {
-            return memo + p[0] + p[1];
-          }, i)
-        };
-      },
-          peg$c78 = ":not(",
-          peg$c79 = peg$literalExpectation(":not(", false),
-          peg$c80 = function peg$c80(ss) {
-        return {
-          type: 'not',
-          selectors: ss
-        };
-      },
-          peg$c81 = ":matches(",
-          peg$c82 = peg$literalExpectation(":matches(", false),
-          peg$c83 = function peg$c83(ss) {
-        return {
-          type: 'matches',
-          selectors: ss
-        };
-      },
-          peg$c84 = ":has(",
-          peg$c85 = peg$literalExpectation(":has(", false),
-          peg$c86 = function peg$c86(ss) {
-        return {
-          type: 'has',
-          selectors: ss
-        };
-      },
-          peg$c87 = ":first-child",
-          peg$c88 = peg$literalExpectation(":first-child", false),
-          peg$c89 = function peg$c89() {
-        return nth(1);
-      },
-          peg$c90 = ":last-child",
-          peg$c91 = peg$literalExpectation(":last-child", false),
-          peg$c92 = function peg$c92() {
-        return nthLast(1);
-      },
-          peg$c93 = ":nth-child(",
-          peg$c94 = peg$literalExpectation(":nth-child(", false),
-          peg$c95 = function peg$c95(n) {
-        return nth(parseInt(n.join(''), 10));
-      },
-          peg$c96 = ":nth-last-child(",
-          peg$c97 = peg$literalExpectation(":nth-last-child(", false),
-          peg$c98 = function peg$c98(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$c111 = function peg$c111(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
-    };
-  });
-});
-
-function _objectEntries(obj) {
-  var entries = [];
-  var keys = Object.keys(obj);
-
-  for (var k = 0; k < keys.length; k++) entries.push([keys[k], obj[keys[k]]]);
-
-  return entries;
-}
-/**
-* @typedef {"LEFT_SIDE"|"RIGHT_SIDE"} Side
-*/
-
-var LEFT_SIDE = 'LEFT_SIDE';
-var 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) {
-  var keys = key.split('.');
-
-  for (var 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;
-  }
-
-  var field = ancestor[path[0]];
-  var remainingPath = path.slice(1);
-
-  if (Array.isArray(field)) {
-    for (var 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':
-      {
-        var path = selector.name.split('.');
-        var ancestor = ancestry[path.length - 1];
-        return inPath(node, ancestor, path);
-      }
-
-    case 'matches':
-      for (var i = 0, l = selector.selectors.length; i < l; ++i) {
-        if (matches(node, selector.selectors[i], ancestry)) {
-          return true;
-        }
-      }
-
-      return false;
-
-    case 'compound':
-      for (var _i = 0, _l = selector.selectors.length; _i < _l; ++_i) {
-        if (!matches(node, selector.selectors[_i], ancestry)) {
-          return false;
-        }
-      }
-
-      return true;
-
-    case 'not':
-      for (var _i2 = 0, _l2 = selector.selectors.length; _i2 < _l2; ++_i2) {
-        if (matches(node, selector.selectors[_i2], ancestry)) {
-          return false;
-        }
-      }
-
-      return true;
-
-    case 'has':
-      {
-        var _ret = function () {
-          var collector = [];
-
-          var _loop = function _loop(_i3, _l3) {
-            var a = [];
-            estraverse.traverse(node, {
-              enter: function enter(node, parent) {
-                if (parent != null) {
-                  a.unshift(parent);
-                }
-
-                if (matches(node, selector.selectors[_i3], a)) {
-                  collector.push(node);
-                }
-              },
-              leave: function leave() {
-                a.shift();
-              },
-              fallback: 'iteration'
-            });
-          };
-
-          for (var _i3 = 0, _l3 = selector.selectors.length; _i3 < _l3; ++_i3) {
-            _loop(_i3);
-          }
-
-          return {
-            v: collector.length !== 0
-          };
-        }();
-
-        if (_typeof(_ret) === "object") return _ret.v;
-      }
-
-    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 (var _i4 = 0, _l4 = ancestry.length; _i4 < _l4; ++_i4) {
-          if (matches(ancestry[_i4], selector.left, ancestry.slice(_i4 + 1))) {
-            return true;
-          }
-        }
-      }
-
-      return false;
-
-    case 'attribute':
-      {
-        var 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 "".concat(selector.value.value) === "".concat(p);
-
-              case 'type':
-                return selector.value.value === _typeof(p);
-            }
-
-            throw new Error("Unknown selector value type: ".concat(selector.value.type));
-
-          case '!=':
-            switch (selector.value.type) {
-              case 'regexp':
-                return !selector.value.value.test(p);
-
-              case 'literal':
-                return "".concat(selector.value.value) !== "".concat(p);
-
-              case 'type':
-                return selector.value.value !== _typeof(p);
-            }
-
-            throw new Error("Unknown selector value type: ".concat(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: ".concat(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: ".concat(selector.name));
-  }
-
-  throw new Error("Unknown selector type: ".concat(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) {
-  var _ancestry = _slicedToArray(ancestry, 1),
-      parent = _ancestry[0];
-
-  if (!parent) {
-    return false;
-  }
-
-  var keys = estraverse.VisitorKeys[parent.type];
-
-  for (var i = 0, l = keys.length; i < l; ++i) {
-    var listProp = parent[keys[i]];
-
-    if (Array.isArray(listProp)) {
-      var startIndex = listProp.indexOf(node);
-
-      if (startIndex < 0) {
-        continue;
-      }
-
-      var lowerBound = void 0,
-          upperBound = void 0;
-
-      if (side === LEFT_SIDE) {
-        lowerBound = 0;
-        upperBound = startIndex;
-      } else {
-        lowerBound = startIndex + 1;
-        upperBound = listProp.length;
-      }
-
-      for (var 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) {
-  var _ancestry2 = _slicedToArray(ancestry, 1),
-      parent = _ancestry2[0];
-
-  if (!parent) {
-    return false;
-  }
-
-  var keys = estraverse.VisitorKeys[parent.type];
-
-  for (var i = 0, l = keys.length; i < l; ++i) {
-    var listProp = parent[keys[i]];
-
-    if (Array.isArray(listProp)) {
-      var 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) {
-  var _ancestry3 = _slicedToArray(ancestry, 1),
-      parent = _ancestry3[0];
-
-  if (!parent) {
-    return false;
-  }
-
-  var keys = estraverse.VisitorKeys[parent.type];
-
-  for (var i = 0, l = keys.length; i < l; ++i) {
-    var listProp = parent[keys[i]];
-
-    if (Array.isArray(listProp)) {
-      var 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;
-  }
-
-  var results = selector.subject ? [ancestor] : [];
-
-  for (var _i5 = 0, _Object$entries = _objectEntries(selector); _i5 < _Object$entries.length; _i5++) {
-    var _Object$entries$_i = _slicedToArray(_Object$entries[_i5], 2),
-        p = _Object$entries$_i[0],
-        sel = _Object$entries$_i[1];
-
-    results.push.apply(results, _toConsumableArray(subjects(sel, p === 'left' ? sel : ancestor)));
-  }
-
-  return results;
-}
-/**
-* @callback TraverseVisitor
-* @param {?external:AST} node
-* @param {?external:AST} parent
-* @param {external:AST[]} ancestry
-*/
-
-/**
- * From a JS AST and a selector AST, collect all JS AST nodes that
- * match the selector.
- * @param {external:AST} ast
- * @param {?SelectorAST} selector
- * @param {TraverseVisitor} visitor
- * @returns {external:AST[]}
- */
-
-
-function traverse(ast, selector, visitor) {
-  if (!selector) {
-    return;
-  }
-
-  var ancestry = [];
-  var altSubjects = subjects(selector);
-  estraverse.traverse(ast, {
-    enter: function enter(node, parent) {
-      if (parent != null) {
-        ancestry.unshift(parent);
-      }
-
-      if (matches(node, selector, ancestry)) {
-        if (altSubjects.length) {
-          for (var i = 0, l = altSubjects.length; i < l; ++i) {
-            if (matches(node, altSubjects[i], ancestry)) {
-              visitor(node, parent, ancestry);
-            }
-
-            for (var k = 0, m = ancestry.length; k < m; ++k) {
-              var succeedingAncestry = ancestry.slice(k + 1);
-
-              if (matches(ancestry[k], altSubjects[i], succeedingAncestry)) {
-                visitor(ancestry[k], parent, succeedingAncestry);
-              }
-            }
-          }
-        } else {
-          visitor(node, parent, ancestry);
-        }
-      }
-    },
-    leave: function leave() {
-      ancestry.shift();
-    },
-    fallback: 'iteration'
-  });
-}
-/**
- * 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) {
-  var results = [];
-  traverse(ast, selector, function (node) {
-    results.push(node);
-  });
-  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.traverse = traverse;
-query.matches = matches;
-query.query = query;
-
-export default query;