text: "no use strict";
  ;(function(window) {
  if (typeof window.window != "undefined" && window.document)
      return;
  if (window.require && window.define)
      return;
  
  if (!window.console) {
      window.console = function() {
          var msgs = Array.prototype.slice.call(arguments, 0);
          postMessage({type: "log", data: msgs});
      };
      window.console.error =
      window.console.warn =
      window.console.log =
      window.console.trace = window.console;
  }
  window.window = window;
  window.ace = window;
  
  window.onerror = function(message, file, line, col, err) {
      postMessage({type: "error", data: {
          message: message,
          data: err.data,
          file: file,
          line: line,
          col: col,
          stack: err.stack
      }});
  };
  
  window.normalizeModule = function(parentId, moduleName) {
      // normalize plugin requires
      if (moduleName.indexOf("!") !== -1) {
          var chunks = moduleName.split("!");
          return window.normalizeModule(parentId, chunks[0]) + "!" + window.normalizeModule(parentId, chunks[1]);
      }
      // normalize relative requires
      if (moduleName.charAt(0) == ".") {
          var base = parentId.split("/").slice(0, -1).join("/");
          moduleName = (base ? base + "/" : "") + moduleName;
  
          while (moduleName.indexOf(".") !== -1 && previous != moduleName) {
              var previous = moduleName;
              moduleName = moduleName.replace(/^\.\//, "").replace(/\/\.\//, "/").replace(/[^\/]+\/\.\.\//, "");
          }
      }
  
      return moduleName;
  };
  
  window.require = function require(parentId, id) {
      if (!id) {
          id = parentId;
          parentId = null;
      }
      if (!id.charAt)
          throw new Error("worker.js require() accepts only (parentId, id) as arguments");
  
      id = window.normalizeModule(parentId, id);
  
      var module = window.require.modules[id];
      if (module) {
          if (!module.initialized) {
              module.initialized = true;
              module.exports = module.factory().exports;
          }
          return module.exports;
      }
  
      if (!window.require.tlns)
          return console.log("unable to load " + id);
  
      var path = resolveModuleId(id, window.require.tlns);
      if (path.slice(-3) != ".js") path += ".js";
  
      window.require.id = id;
      window.require.modules[id] = {}; // prevent infinite loop on broken modules
      importScripts(path);
      return window.require(parentId, id);
  };
  function resolveModuleId(id, paths) {
      var testPath = id, tail = "";
      while (testPath) {
          var alias = paths[testPath];
          if (typeof alias == "string") {
              return alias + tail;
          } else if (alias) {
              return  alias.location.replace(/\/*$/, "/") + (tail || alias.main || alias.name);
          } else if (alias === false) {
              return "";
          }
          var i = testPath.lastIndexOf("/");
          if (i === -1) break;
          tail = testPath.substr(i) + tail;
          testPath = testPath.slice(0, i);
      }
      return id;
  }
  window.require.modules = {};
  window.require.tlns = {};
  
  window.define = function(id, deps, factory) {
      if (arguments.length == 2) {
          factory = deps;
          if (typeof id != "string") {
              deps = id;
              id = window.require.id;
          }
      } else if (arguments.length == 1) {
          factory = id;
          deps = [];
          id = window.require.id;
      }
  
      if (typeof factory != "function") {
          window.require.modules[id] = {
              exports: factory,
              initialized: true
          };
          return;
      }
  
      if (!deps.length)
          // If there is no dependencies, we inject "require", "exports" and
          // "module" as dependencies, to provide CommonJS compatibility.
          deps = ["require", "exports", "module"];
  
      var req = function(childId) {
          return window.require(id, childId);
      };
  
      window.require.modules[id] = {
          exports: {},
          factory: function() {
              var module = this;
              var returnExports = factory.apply(this, deps.map(function(dep) {
                  switch (dep) {
                      // Because "require", "exports" and "module" aren't actual
                      // dependencies, we must handle them seperately.
                      case "require": return req;
                      case "exports": return module.exports;
                      case "module":  return module;
                      // But for all other dependencies, we can just go ahead and
                      // require them.
                      default:        return req(dep);
                  }
              }));
              if (returnExports)
                  module.exports = returnExports;
              return module;
          }
      };
  };
  window.define.amd = {};
  require.tlns = {};
  window.initBaseUrls  = function initBaseUrls(topLevelNamespaces) {
      for (var i in topLevelNamespaces)
          require.tlns[i] = topLevelNamespaces[i];
  };
  
  window.initSender = function initSender() {
  
      var EventEmitter = window.require("ace/lib/event_emitter").EventEmitter;
      var oop = window.require("ace/lib/oop");
  
      var Sender = function() {};
  
      (function() {
  
          oop.implement(this, EventEmitter);
  
          this.callback = function(data, callbackId) {
              postMessage({
                  type: "call",
                  id: callbackId,
                  data: data
              });
          };
  
          this.emit = function(name, data) {
              postMessage({
                  type: "event",
                  name: name,
                  data: data
              });
          };
  
      }).call(Sender.prototype);
  
      return new Sender();
  };
  
  var main = window.main = null;
  var sender = window.sender = null;
  
  window.onmessage = function(e) {
      var msg = e.data;
      if (msg.event && sender) {
          sender._signal(msg.event, msg.data);
      }
      else if (msg.command) {
          if (main[msg.command])
              main[msg.command].apply(main, msg.args);
          else if (window[msg.command])
              window[msg.command].apply(window, msg.args);
          else
              throw new Error("Unknown command:" + msg.command);
      }
      else if (msg.init) {
          window.initBaseUrls(msg.tlns);
          require("ace/lib/es5-shim");
          sender = window.sender = window.initSender();
          var clazz = require(msg.module)[msg.classname];
          main = window.main = new clazz(sender);
      }
  };
  })(this);
  
  ace.define("ace/lib/oop",["require","exports","module"], function(require, exports, module) {
  "use strict";
  
  exports.inherits = function(ctor, superCtor) {
      ctor.super_ = superCtor;
      ctor.prototype = Object.create(superCtor.prototype, {
          constructor: {
              value: ctor,
              enumerable: false,
              writable: true,
              configurable: true
          }
      });
  };
  
  exports.mixin = function(obj, mixin) {
      for (var key in mixin) {
          obj[key] = mixin[key];
      }
      return obj;
  };
  
  exports.implement = function(proto, mixin) {
      exports.mixin(proto, mixin);
  };
  
  });
  
  ace.define("ace/range",["require","exports","module"], function(require, exports, module) {
  "use strict";
  var comparePoints = function(p1, p2) {
      return p1.row - p2.row || p1.column - p2.column;
  };
  var Range = function(startRow, startColumn, endRow, endColumn) {
      this.start = {
          row: startRow,
          column: startColumn
      };
  
      this.end = {
          row: endRow,
          column: endColumn
      };
  };
  
  (function() {
      this.isEqual = function(range) {
          return this.start.row === range.start.row &&
              this.end.row === range.end.row &&
              this.start.column === range.start.column &&
              this.end.column === range.end.column;
      };
      this.toString = function() {
          return ("Range: [" + this.start.row + "/" + this.start.column +
              "] -> [" + this.end.row + "/" + this.end.column + "]");
      };
  
      this.contains = function(row, column) {
          return this.compare(row, column) == 0;
      };
      this.compareRange = function(range) {
          var cmp,
              end = range.end,
              start = range.start;
  
          cmp = this.compare(end.row, end.column);
          if (cmp == 1) {
              cmp = this.compare(start.row, start.column);
              if (cmp == 1) {
                  return 2;
              } else if (cmp == 0) {
                  return 1;
              } else {
                  return 0;
              }
          } else if (cmp == -1) {
              return -2;
          } else {
              cmp = this.compare(start.row, start.column);
              if (cmp == -1) {
                  return -1;
              } else if (cmp == 1) {
                  return 42;
              } else {
                  return 0;
              }
          }
      };
      this.comparePoint = function(p) {
          return this.compare(p.row, p.column);
      };
      this.containsRange = function(range) {
          return this.comparePoint(range.start) == 0 && this.comparePoint(range.end) == 0;
      };
      this.intersects = function(range) {
          var cmp = this.compareRange(range);
          return (cmp == -1 || cmp == 0 || cmp == 1);
      };
      this.isEnd = function(row, column) {
          return this.end.row == row && this.end.column == column;
      };
      this.isStart = function(row, column) {
          return this.start.row == row && this.start.column == column;
      };
      this.setStart = function(row, column) {
          if (typeof row == "object") {
              this.start.column = row.column;
              this.start.row = row.row;
          } else {
              this.start.row = row;
              this.start.column = column;
          }
      };
      this.setEnd = function(row, column) {
          if (typeof row == "object") {
              this.end.column = row.column;
              this.end.row = row.row;
          } else {
              this.end.row = row;
              this.end.column = column;
          }
      };
      this.inside = function(row, column) {
          if (this.compare(row, column) == 0) {
              if (this.isEnd(row, column) || this.isStart(row, column)) {
                  return false;
              } else {
                  return true;
              }
          }
          return false;
      };
      this.insideStart = function(row, column) {
          if (this.compare(row, column) == 0) {
              if (this.isEnd(row, column)) {
                  return false;
              } else {
                  return true;
              }
          }
          return false;
      };
      this.insideEnd = function(row, column) {
          if (this.compare(row, column) == 0) {
              if (this.isStart(row, column)) {
                  return false;
              } else {
                  return true;
              }
          }
          return false;
      };
      this.compare = function(row, column) {
          if (!this.isMultiLine()) {
              if (row === this.start.row) {
                  return column < this.start.column ? -1 : (column > this.end.column ? 1 : 0);
              }
          }
  
          if (row < this.start.row)
              return -1;
  
          if (row > this.end.row)
              return 1;
  
          if (this.start.row === row)
              return column >= this.start.column ? 0 : -1;
  
          if (this.end.row === row)
              return column <= this.end.column ? 0 : 1;
  
          return 0;
      };
      this.compareStart = function(row, column) {
          if (this.start.row == row && this.start.column == column) {
              return -1;
          } else {
              return this.compare(row, column);
          }
      };
      this.compareEnd = function(row, column) {
          if (this.end.row == row && this.end.column == column) {
              return 1;
          } else {
              return this.compare(row, column);
          }
      };
      this.compareInside = function(row, column) {
          if (this.end.row == row && this.end.column == column) {
              return 1;
          } else if (this.start.row == row && this.start.column == column) {
              return -1;
          } else {
              return this.compare(row, column);
          }
      };
      this.clipRows = function(firstRow, lastRow) {
          if (this.end.row > lastRow)
              var end = {row: lastRow + 1, column: 0};
          else if (this.end.row < firstRow)
              var end = {row: firstRow, column: 0};
  
          if (this.start.row > lastRow)
              var start = {row: lastRow + 1, column: 0};
          else if (this.start.row < firstRow)
              var start = {row: firstRow, column: 0};
  
          return Range.fromPoints(start || this.start, end || this.end);
      };
      this.extend = function(row, column) {
          var cmp = this.compare(row, column);
  
          if (cmp == 0)
              return this;
          else if (cmp == -1)
              var start = {row: row, column: column};
          else
              var end = {row: row, column: column};
  
          return Range.fromPoints(start || this.start, end || this.end);
      };
  
      this.isEmpty = function() {
          return (this.start.row === this.end.row && this.start.column === this.end.column);
      };
      this.isMultiLine = function() {
          return (this.start.row !== this.end.row);
      };
      this.clone = function() {
          return Range.fromPoints(this.start, this.end);
      };
      this.collapseRows = function() {
          if (this.end.column == 0)
              return new Range(this.start.row, 0, Math.max(this.start.row, this.end.row-1), 0)
          else
              return new Range(this.start.row, 0, this.end.row, 0)
      };
      this.toScreenRange = function(session) {
          var screenPosStart = session.documentToScreenPosition(this.start);
          var screenPosEnd = session.documentToScreenPosition(this.end);
  
          return new Range(
              screenPosStart.row, screenPosStart.column,
              screenPosEnd.row, screenPosEnd.column
          );
      };
      this.moveBy = function(row, column) {
          this.start.row += row;
          this.start.column += column;
          this.end.row += row;
          this.end.column += column;
      };
  
  }).call(Range.prototype);
  Range.fromPoints = function(start, end) {
      return new Range(start.row, start.column, end.row, end.column);
  };
  Range.comparePoints = comparePoints;
  
  Range.comparePoints = function(p1, p2) {
      return p1.row - p2.row || p1.column - p2.column;
  };
  
  
  exports.Range = Range;
  });
  
  ace.define("ace/apply_delta",["require","exports","module"], function(require, exports, module) {
  "use strict";
  
  function throwDeltaError(delta, errorText){
      console.log("Invalid Delta:", delta);
      throw "Invalid Delta: " + errorText;
  }
  
  function positionInDocument(docLines, position) {
      return position.row    >= 0 && position.row    <  docLines.length &&
            position.column >= 0 && position.column <= docLines[position.row].length;
  }
  
  function validateDelta(docLines, delta) {
      if (delta.action != "insert" && delta.action != "remove")
          throwDeltaError(delta, "delta.action must be 'insert' or 'remove'");
      if (!(delta.lines instanceof Array))
          throwDeltaError(delta, "delta.lines must be an Array");
      if (!delta.start || !delta.end)
        throwDeltaError(delta, "delta.start/end must be an present");
      var start = delta.start;
      if (!positionInDocument(docLines, delta.start))
          throwDeltaError(delta, "delta.start must be contained in document");
      var end = delta.end;
      if (delta.action == "remove" && !positionInDocument(docLines, end))
          throwDeltaError(delta, "delta.end must contained in document for 'remove' actions");
      var numRangeRows = end.row - start.row;
      var numRangeLastLineChars = (end.column - (numRangeRows == 0 ? start.column : 0));
      if (numRangeRows != delta.lines.length - 1 || delta.lines[numRangeRows].length != numRangeLastLineChars)
          throwDeltaError(delta, "delta.range must match delta lines");
  }
  
  exports.applyDelta = function(docLines, delta, doNotValidate) {
  
      var row = delta.start.row;
      var startColumn = delta.start.column;
      var line = docLines[row] || "";
      switch (delta.action) {
          case "insert":
              var lines = delta.lines;
              if (lines.length === 1) {
                  docLines[row] = line.substring(0, startColumn) + delta.lines[0] + line.substring(startColumn);
              } else {
                  var args = [row, 1].concat(delta.lines);
                  docLines.splice.apply(docLines, args);
                  docLines[row] = line.substring(0, startColumn) + docLines[row];
                  docLines[row + delta.lines.length - 1] += line.substring(startColumn);
              }
              break;
          case "remove":
              var endColumn = delta.end.column;
              var endRow = delta.end.row;
              if (row === endRow) {
                  docLines[row] = line.substring(0, startColumn) + line.substring(endColumn);
              } else {
                  docLines.splice(
                      row, endRow - row + 1,
                      line.substring(0, startColumn) + docLines[endRow].substring(endColumn)
                  );
              }
              break;
      }
  }
  });
  
  ace.define("ace/lib/event_emitter",["require","exports","module"], function(require, exports, module) {
  "use strict";
  
  var EventEmitter = {};
  var stopPropagation = function() { this.propagationStopped = true; };
  var preventDefault = function() { this.defaultPrevented = true; };
  
  EventEmitter._emit =
  EventEmitter._dispatchEvent = function(eventName, e) {
      this._eventRegistry || (this._eventRegistry = {});
      this._defaultHandlers || (this._defaultHandlers = {});
  
      var listeners = this._eventRegistry[eventName] || [];
      var defaultHandler = this._defaultHandlers[eventName];
      if (!listeners.length && !defaultHandler)
          return;
  
      if (typeof e != "object" || !e)
          e = {};
  
      if (!e.type)
          e.type = eventName;
      if (!e.stopPropagation)
          e.stopPropagation = stopPropagation;
      if (!e.preventDefault)
          e.preventDefault = preventDefault;
  
      listeners = listeners.slice();
      for (var i=0; i<listeners.length; i++) {
          listeners[i](e, this);
          if (e.propagationStopped)
              break;
      }
  
      if (defaultHandler && !e.defaultPrevented)
          return defaultHandler(e, this);
  };
  
  
  EventEmitter._signal = function(eventName, e) {
      var listeners = (this._eventRegistry || {})[eventName];
      if (!listeners)
          return;
      listeners = listeners.slice();
      for (var i=0; i<listeners.length; i++)
          listeners[i](e, this);
  };
  
  EventEmitter.once = function(eventName, callback) {
      var _self = this;
      callback && this.addEventListener(eventName, function newCallback() {
          _self.removeEventListener(eventName, newCallback);
          callback.apply(null, arguments);
      });
  };
  
  
  EventEmitter.setDefaultHandler = function(eventName, callback) {
      var handlers = this._defaultHandlers
      if (!handlers)
          handlers = this._defaultHandlers = {_disabled_: {}};
  
      if (handlers[eventName]) {
          var old = handlers[eventName];
          var disabled = handlers._disabled_[eventName];
          if (!disabled)
              handlers._disabled_[eventName] = disabled = [];
          disabled.push(old);
          var i = disabled.indexOf(callback);
          if (i != -1)
              disabled.splice(i, 1);
      }
      handlers[eventName] = callback;
  };
  EventEmitter.removeDefaultHandler = function(eventName, callback) {
      var handlers = this._defaultHandlers
      if (!handlers)
          return;
      var disabled = handlers._disabled_[eventName];
  
      if (handlers[eventName] == callback) {
          var old = handlers[eventName];
          if (disabled)
              this.setDefaultHandler(eventName, disabled.pop());
      } else if (disabled) {
          var i = disabled.indexOf(callback);
          if (i != -1)
              disabled.splice(i, 1);
      }
  };
  
  EventEmitter.on =
  EventEmitter.addEventListener = function(eventName, callback, capturing) {
      this._eventRegistry = this._eventRegistry || {};
  
      var listeners = this._eventRegistry[eventName];
      if (!listeners)
          listeners = this._eventRegistry[eventName] = [];
  
      if (listeners.indexOf(callback) == -1)
          listeners[capturing ? "unshift" : "push"](callback);
      return callback;
  };
  
  EventEmitter.off =
  EventEmitter.removeListener =
  EventEmitter.removeEventListener = function(eventName, callback) {
      this._eventRegistry = this._eventRegistry || {};
  
      var listeners = this._eventRegistry[eventName];
      if (!listeners)
          return;
  
      var index = listeners.indexOf(callback);
      if (index !== -1)
          listeners.splice(index, 1);
  };
  
  EventEmitter.removeAllListeners = function(eventName) {
      if (this._eventRegistry) this._eventRegistry[eventName] = [];
  };
  
  exports.EventEmitter = EventEmitter;
  
  });
  
  ace.define("ace/anchor",["require","exports","module","ace/lib/oop","ace/lib/event_emitter"], function(require, exports, module) {
  "use strict";
  
  var oop = require("./lib/oop");
  var EventEmitter = require("./lib/event_emitter").EventEmitter;
  
  var Anchor = exports.Anchor = function(doc, row, column) {
      this.$onChange = this.onChange.bind(this);
      this.attach(doc);
  
      if (typeof column == "undefined")
          this.setPosition(row.row, row.column);
      else
          this.setPosition(row, column);
  };
  
  (function() {
  
      oop.implement(this, EventEmitter);
      this.getPosition = function() {
          return this.$clipPositionToDocument(this.row, this.column);
      };
      this.getDocument = function() {
          return this.document;
      };
      this.$insertRight = false;
      this.onChange = function(delta) {
          if (delta.start.row == delta.end.row && delta.start.row != this.row)
              return;
  
          if (delta.start.row > this.row)
              return;
  
          var point = $getTransformedPoint(delta, {row: this.row, column: this.column}, this.$insertRight);
          this.setPosition(point.row, point.column, true);
      };
  
      function $pointsInOrder(point1, point2, equalPointsInOrder) {
          var bColIsAfter = equalPointsInOrder ? point1.column <= point2.column : point1.column < point2.column;
          return (point1.row < point2.row) || (point1.row == point2.row && bColIsAfter);
      }
  
      function $getTransformedPoint(delta, point, moveIfEqual) {
          var deltaIsInsert = delta.action == "insert";
          var deltaRowShift = (deltaIsInsert ? 1 : -1) * (delta.end.row    - delta.start.row);
          var deltaColShift = (deltaIsInsert ? 1 : -1) * (delta.end.column - delta.start.column);
          var deltaStart = delta.start;
          var deltaEnd = deltaIsInsert ? deltaStart : delta.end; // Collapse insert range.
          if ($pointsInOrder(point, deltaStart, moveIfEqual)) {
              return {
                  row: point.row,
                  column: point.column
              };
          }
          if ($pointsInOrder(deltaEnd, point, !moveIfEqual)) {
              return {
                  row: point.row + deltaRowShift,
                  column: point.column + (point.row == deltaEnd.row ? deltaColShift : 0)
              };
          }
  
          return {
              row: deltaStart.row,
              column: deltaStart.column
          };
      }
      this.setPosition = function(row, column, noClip) {
          var pos;
          if (noClip) {
              pos = {
                  row: row,
                  column: column
              };
          } else {
              pos = this.$clipPositionToDocument(row, column);
          }
  
          if (this.row == pos.row && this.column == pos.column)
              return;
  
          var old = {
              row: this.row,
              column: this.column
          };
  
          this.row = pos.row;
          this.column = pos.column;
          this._signal("change", {
              old: old,
              value: pos
          });
      };
      this.detach = function() {
          this.document.removeEventListener("change", this.$onChange);
      };
      this.attach = function(doc) {
          this.document = doc || this.document;
          this.document.on("change", this.$onChange);
      };
      this.$clipPositionToDocument = function(row, column) {
          var pos = {};
  
          if (row >= this.document.getLength()) {
              pos.row = Math.max(0, this.document.getLength() - 1);
              pos.column = this.document.getLine(pos.row).length;
          }
          else if (row < 0) {
              pos.row = 0;
              pos.column = 0;
          }
          else {
              pos.row = row;
              pos.column = Math.min(this.document.getLine(pos.row).length, Math.max(0, column));
          }
  
          if (column < 0)
              pos.column = 0;
  
          return pos;
      };
  
  }).call(Anchor.prototype);
  
  });
  
  ace.define("ace/document",["require","exports","module","ace/lib/oop","ace/apply_delta","ace/lib/event_emitter","ace/range","ace/anchor"], function(require, exports, module) {
  "use strict";
  
  var oop = require("./lib/oop");
  var applyDelta = require("./apply_delta").applyDelta;
  var EventEmitter = require("./lib/event_emitter").EventEmitter;
  var Range = require("./range").Range;
  var Anchor = require("./anchor").Anchor;
  
  var Document = function(textOrLines) {
      this.$lines = [""];
      if (textOrLines.length === 0) {
          this.$lines = [""];
      } else if (Array.isArray(textOrLines)) {
          this.insertMergedLines({row: 0, column: 0}, textOrLines);
      } else {
          this.insert({row: 0, column:0}, textOrLines);
      }
  };
  
  (function() {
  
      oop.implement(this, EventEmitter);
      this.setValue = function(text) {
          var len = this.getLength() - 1;
          this.remove(new Range(0, 0, len, this.getLine(len).length));
          this.insert({row: 0, column: 0}, text);
      };
      this.getValue = function() {
          return this.getAllLines().join(this.getNewLineCharacter());
      };
      this.createAnchor = function(row, column) {
          return new Anchor(this, row, column);
      };
      if ("aaa".split(/a/).length === 0) {
          this.$split = function(text) {
              return text.replace(/\r\n|\r/g, "\n").split("\n");
          };
      } else {
          this.$split = function(text) {
              return text.split(/\r\n|\r|\n/);
          };
      }
  
  
      this.$detectNewLine = function(text) {
          var match = text.match(/^.*?(\r\n|\r|\n)/m);
          this.$autoNewLine = match ? match[1] : "\n";
          this._signal("changeNewLineMode");
      };
      this.getNewLineCharacter = function() {
          switch (this.$newLineMode) {
            case "windows":
              return "\r\n";
            case "unix":
              return "\n";
            default:
              return this.$autoNewLine || "\n";
          }
      };
  
      this.$autoNewLine = "";
      this.$newLineMode = "auto";
      this.setNewLineMode = function(newLineMode) {
          if (this.$newLineMode === newLineMode)
              return;
  
          this.$newLineMode = newLineMode;
          this._signal("changeNewLineMode");
      };
      this.getNewLineMode = function() {
          return this.$newLineMode;
      };
      this.isNewLine = function(text) {
          return (text == "\r\n" || text == "\r" || text == "\n");
      };
      this.getLine = function(row) {
          return this.$lines[row] || "";
      };
      this.getLines = function(firstRow, lastRow) {
          return this.$lines.slice(firstRow, lastRow + 1);
      };
      this.getAllLines = function() {
          return this.getLines(0, this.getLength());
      };
      this.getLength = function() {
          return this.$lines.length;
      };
      this.getTextRange = function(range) {
          return this.getLinesForRange(range).join(this.getNewLineCharacter());
      };
      this.getLinesForRange = function(range) {
          var lines;
          if (range.start.row === range.end.row) {
              lines = [this.getLine(range.start.row).substring(range.start.column, range.end.column)];
          } else {
              lines = this.getLines(range.start.row, range.end.row);
              lines[0] = (lines[0] || "").substring(range.start.column);
              var l = lines.length - 1;
              if (range.end.row - range.start.row == l)
                  lines[l] = lines[l].substring(0, range.end.column);
          }
          return lines;
      };
      this.insertLines = function(row, lines) {
          console.warn("Use of document.insertLines is deprecated. Use the insertFullLines method instead.");
          return this.insertFullLines(row, lines);
      };
      this.removeLines = function(firstRow, lastRow) {
          console.warn("Use of document.removeLines is deprecated. Use the removeFullLines method instead.");
          return this.removeFullLines(firstRow, lastRow);
      };
      this.insertNewLine = function(position) {
          console.warn("Use of document.insertNewLine is deprecated. Use insertMergedLines(position, [\'\', \'\']) instead.");
          return this.insertMergedLines(position, ["", ""]);
      };
      this.insert = function(position, text) {
          if (this.getLength() <= 1)
              this.$detectNewLine(text);
  
          return this.insertMergedLines(position, this.$split(text));
      };
      this.insertInLine = function(position, text) {
          var start = this.clippedPos(position.row, position.column);
          var end = this.pos(position.row, position.column + text.length);
  
          this.applyDelta({
              start: start,
              end: end,
              action: "insert",
              lines: [text]
          }, true);
  
          return this.clonePos(end);
      };
  
      this.clippedPos = function(row, column) {
          var length = this.getLength();
          if (row === undefined) {
              row = length;
          } else if (row < 0) {
              row = 0;
          } else if (row >= length) {
              row = length - 1;
              column = undefined;
          }
          var line = this.getLine(row);
          if (column == undefined)
              column = line.length;
          column = Math.min(Math.max(column, 0), line.length);
          return {row: row, column: column};
      };
  
      this.clonePos = function(pos) {
          return {row: pos.row, column: pos.column};
      };
  
      this.pos = function(row, column) {
          return {row: row, column: column};
      };
  
      this.$clipPosition = function(position) {
          var length = this.getLength();
          if (position.row >= length) {
              position.row = Math.max(0, length - 1);
              position.column = this.getLine(length - 1).length;
          } else {
              position.row = Math.max(0, position.row);
              position.column = Math.min(Math.max(position.column, 0), this.getLine(position.row).length);
          }
          return position;
      };
      this.insertFullLines = function(row, lines) {
          row = Math.min(Math.max(row, 0), this.getLength());
          var column = 0;
          if (row < this.getLength()) {
              lines = lines.concat([""]);
              column = 0;
          } else {
              lines = [""].concat(lines);
              row--;
              column = this.$lines[row].length;
          }
          this.insertMergedLines({row: row, column: column}, lines);
      };
      this.insertMergedLines = function(position, lines) {
          var start = this.clippedPos(position.row, position.column);
          var end = {
              row: start.row + lines.length - 1,
              column: (lines.length == 1 ? start.column : 0) + lines[lines.length - 1].length
          };
  
          this.applyDelta({
              start: start,
              end: end,
              action: "insert",
              lines: lines
          });
  
          return this.clonePos(end);
      };
      this.remove = function(range) {
          var start = this.clippedPos(range.start.row, range.start.column);
          var end = this.clippedPos(range.end.row, range.end.column);
          this.applyDelta({
              start: start,
              end: end,
              action: "remove",
              lines: this.getLinesForRange({start: start, end: end})
          });
          return this.clonePos(start);
      };
      this.removeInLine = function(row, startColumn, endColumn) {
          var start = this.clippedPos(row, startColumn);
          var end = this.clippedPos(row, endColumn);
  
          this.applyDelta({
              start: start,
              end: end,
              action: "remove",
              lines: this.getLinesForRange({start: start, end: end})
          }, true);
  
          return this.clonePos(start);
      };
      this.removeFullLines = function(firstRow, lastRow) {
          firstRow = Math.min(Math.max(0, firstRow), this.getLength() - 1);
          lastRow  = Math.min(Math.max(0, lastRow ), this.getLength() - 1);
          var deleteFirstNewLine = lastRow == this.getLength() - 1 && firstRow > 0;
          var deleteLastNewLine  = lastRow  < this.getLength() - 1;
          var startRow = ( deleteFirstNewLine ? firstRow - 1                  : firstRow                    );
          var startCol = ( deleteFirstNewLine ? this.getLine(startRow).length : 0                           );
          var endRow   = ( deleteLastNewLine  ? lastRow + 1                   : lastRow                     );
          var endCol   = ( deleteLastNewLine  ? 0                             : this.getLine(endRow).length );
          var range = new Range(startRow, startCol, endRow, endCol);
          var deletedLines = this.$lines.slice(firstRow, lastRow + 1);
  
          this.applyDelta({
              start: range.start,
              end: range.end,
              action: "remove",
              lines: this.getLinesForRange(range)
          });
          return deletedLines;
      };
      this.removeNewLine = function(row) {
          if (row < this.getLength() - 1 && row >= 0) {
              this.applyDelta({
                  start: this.pos(row, this.getLine(row).length),
                  end: this.pos(row + 1, 0),
                  action: "remove",
                  lines: ["", ""]
              });
          }
      };
      this.replace = function(range, text) {
          if (!(range instanceof Range))
              range = Range.fromPoints(range.start, range.end);
          if (text.length === 0 && range.isEmpty())
              return range.start;
          if (text == this.getTextRange(range))
              return range.end;
  
          this.remove(range);
          var end;
          if (text) {
              end = this.insert(range.start, text);
          }
          else {
              end = range.start;
          }
  
          return end;
      };
      this.applyDeltas = function(deltas) {
          for (var i=0; i<deltas.length; i++) {
              this.applyDelta(deltas[i]);
          }
      };
      this.revertDeltas = function(deltas) {
          for (var i=deltas.length-1; i>=0; i--) {
              this.revertDelta(deltas[i]);
          }
      };
      this.applyDelta = function(delta, doNotValidate) {
          var isInsert = delta.action == "insert";
          if (isInsert ? delta.lines.length <= 1 && !delta.lines[0]
              : !Range.comparePoints(delta.start, delta.end)) {
              return;
          }
  
          if (isInsert && delta.lines.length > 20000)
              this.$splitAndapplyLargeDelta(delta, 20000);
          applyDelta(this.$lines, delta, doNotValidate);
          this._signal("change", delta);
      };
  
      this.$splitAndapplyLargeDelta = function(delta, MAX) {
          var lines = delta.lines;
          var l = lines.length;
          var row = delta.start.row;
          var column = delta.start.column;
          var from = 0, to = 0;
          do {
              from = to;
              to += MAX - 1;
              var chunk = lines.slice(from, to);
              if (to > l) {
                  delta.lines = chunk;
                  delta.start.row = row + from;
                  delta.start.column = column;
                  break;
              }
              chunk.push("");
              this.applyDelta({
                  start: this.pos(row + from, column),
                  end: this.pos(row + to, column = 0),
                  action: delta.action,
                  lines: chunk
              }, true);
          } while(true);
      };
      this.revertDelta = function(delta) {
          this.applyDelta({
              start: this.clonePos(delta.start),
              end: this.clonePos(delta.end),
              action: (delta.action == "insert" ? "remove" : "insert"),
              lines: delta.lines.slice()
          });
      };
      this.indexToPosition = function(index, startRow) {
          var lines = this.$lines || this.getAllLines();
          var newlineLength = this.getNewLineCharacter().length;
          for (var i = startRow || 0, l = lines.length; i < l; i++) {
              index -= lines[i].length + newlineLength;
              if (index < 0)
                  return {row: i, column: index + lines[i].length + newlineLength};
          }
          return {row: l-1, column: lines[l-1].length};
      };
      this.positionToIndex = function(pos, startRow) {
          var lines = this.$lines || this.getAllLines();
          var newlineLength = this.getNewLineCharacter().length;
          var index = 0;
          var row = Math.min(pos.row, lines.length);
          for (var i = startRow || 0; i < row; ++i)
              index += lines[i].length + newlineLength;
  
          return index + pos.column;
      };
  
  }).call(Document.prototype);
  
  exports.Document = Document;
  });
  
  ace.define("ace/lib/lang",["require","exports","module"], function(require, exports, module) {
  "use strict";
  
  exports.last = function(a) {
      return a[a.length - 1];
  };
  
  exports.stringReverse = function(string) {
      return string.split("").reverse().join("");
  };
  
  exports.stringRepeat = function (string, count) {
      var result = '';
      while (count > 0) {
          if (count & 1)
              result += string;
  
          if (count >>= 1)
              string += string;
      }
      return result;
  };
  
  var trimBeginRegexp = /^\s\s*/;
  var trimEndRegexp = /\s\s*$/;
  
  exports.stringTrimLeft = function (string) {
      return string.replace(trimBeginRegexp, '');
  };
  
  exports.stringTrimRight = function (string) {
      return string.replace(trimEndRegexp, '');
  };
  
  exports.copyObject = function(obj) {
      var copy = {};
      for (var key in obj) {
          copy[key] = obj[key];
      }
      return copy;
  };
  
  exports.copyArray = function(array){
      var copy = [];
      for (var i=0, l=array.length; i<l; i++) {
          if (array[i] && typeof array[i] == "object")
              copy[i] = this.copyObject( array[i] );
          else
              copy[i] = array[i];
      }
      return copy;
  };
  
  exports.deepCopy = function deepCopy(obj) {
      if (typeof obj !== "object" || !obj)
          return obj;
      var copy;
      if (Array.isArray(obj)) {
          copy = [];
          for (var key = 0; key < obj.length; key++) {
              copy[key] = deepCopy(obj[key]);
          }
          return copy;
      }
      var cons = obj.constructor;
      if (cons === RegExp)
          return obj;
  
      copy = cons();
      for (var key in obj) {
          copy[key] = deepCopy(obj[key]);
      }
      return copy;
  };
  
  exports.arrayToMap = function(arr) {
      var map = {};
      for (var i=0; i<arr.length; i++) {
          map[arr[i]] = 1;
      }
      return map;
  
  };
  
  exports.createMap = function(props) {
      var map = Object.create(null);
      for (var i in props) {
          map[i] = props[i];
      }
      return map;
  };
  exports.arrayRemove = function(array, value) {
    for (var i = 0; i <= array.length; i++) {
      if (value === array[i]) {
        array.splice(i, 1);
      }
    }
  };
  
  exports.escapeRegExp = function(str) {
      return str.replace(/([.*+?^${}()|[\]\/\\])/g, '\\$1');
  };
  
  exports.escapeHTML = function(str) {
      return str.replace(/&/g, "&#38;").replace(/"/g, "&#34;").replace(/'/g, "&#39;").replace(/</g, "&#60;");
  };
  
  exports.getMatchOffsets = function(string, regExp) {
      var matches = [];
  
      string.replace(regExp, function(str) {
          matches.push({
              offset: arguments[arguments.length-2],
              length: str.length
          });
      });
  
      return matches;
  };
  exports.deferredCall = function(fcn) {
      var timer = null;
      var callback = function() {
          timer = null;
          fcn();
      };
  
      var deferred = function(timeout) {
          deferred.cancel();
          timer = setTimeout(callback, timeout || 0);
          return deferred;
      };
  
      deferred.schedule = deferred;
  
      deferred.call = function() {
          this.cancel();
          fcn();
          return deferred;
      };
  
      deferred.cancel = function() {
          clearTimeout(timer);
          timer = null;
          return deferred;
      };
  
      deferred.isPending = function() {
          return timer;
      };
  
      return deferred;
  };
  
  
  exports.delayedCall = function(fcn, defaultTimeout) {
      var timer = null;
      var callback = function() {
          timer = null;
          fcn();
      };
  
      var _self = function(timeout) {
          if (timer == null)
              timer = setTimeout(callback, timeout || defaultTimeout);
      };
  
      _self.delay = function(timeout) {
          timer && clearTimeout(timer);
          timer = setTimeout(callback, timeout || defaultTimeout);
      };
      _self.schedule = _self;
  
      _self.call = function() {
          this.cancel();
          fcn();
      };
  
      _self.cancel = function() {
          timer && clearTimeout(timer);
          timer = null;
      };
  
      _self.isPending = function() {
          return timer;
      };
  
      return _self;
  };
  });
  
  ace.define("ace/worker/mirror",["require","exports","module","ace/range","ace/document","ace/lib/lang"], function(require, exports, module) {
  "use strict";
  
  var Range = require("../range").Range;
  var Document = require("../document").Document;
  var lang = require("../lib/lang");
  
  var Mirror = exports.Mirror = function(sender) {
      this.sender = sender;
      var doc = this.doc = new Document("");
  
      var deferredUpdate = this.deferredUpdate = lang.delayedCall(this.onUpdate.bind(this));
  
      var _self = this;
      sender.on("change", function(e) {
          var data = e.data;
          if (data[0].start) {
              doc.applyDeltas(data);
          } else {
              for (var i = 0; i < data.length; i += 2) {
                  if (Array.isArray(data[i+1])) {
                      var d = {action: "insert", start: data[i], lines: data[i+1]};
                  } else {
                      var d = {action: "remove", start: data[i], end: data[i+1]};
                  }
                  doc.applyDelta(d, true);
              }
          }
          if (_self.$timeout)
              return deferredUpdate.schedule(_self.$timeout);
          _self.onUpdate();
      });
  };
  
  (function() {
  
      this.$timeout = 500;
  
      this.setTimeout = function(timeout) {
          this.$timeout = timeout;
      };
  
      this.setValue = function(value) {
          this.doc.setValue(value);
          this.deferredUpdate.schedule(this.$timeout);
      };
  
      this.getValue = function(callbackId) {
          this.sender.callback(this.doc.getValue(), callbackId);
      };
  
      this.onUpdate = function() {
      };
  
      this.isPending = function() {
          return this.deferredUpdate.isPending();
      };
  
  }).call(Mirror.prototype);
  
  });
  
  ace.define("ace/mode/javascript/jshint",["require","exports","module"], function(require, exports, module) {
  module.exports = (function outer (modules, cache, entry) {
      var previousRequire = typeof require == "function" && require;
      function newRequire(name, jumped){
          if(!cache[name]) {
              if(!modules[name]) {
                  var currentRequire = typeof require == "function" && require;
                  if (!jumped && currentRequire) return currentRequire(name, true);
                  if (previousRequire) return previousRequire(name, true);
                  var err = new Error('Cannot find module \'' + name + '\'');
                  err.code = 'MODULE_NOT_FOUND';
                  throw err;
              }
              var m = cache[name] = {exports:{}};
              modules[name][0].call(m.exports, function(x){
                  var id = modules[name][1][x];
                  return newRequire(id ? id : x);
              },m,m.exports,outer,modules,cache,entry);
          }
          return cache[name].exports;
      }
      for(var i=0;i<entry.length;i++) newRequire(entry[i]);
      return newRequire(entry[0]);
  })
  ({"/node_modules/browserify/node_modules/events/events.js":[function(_dereq_,module,exports){
  
  function EventEmitter() {
    this._events = this._events || {};
    this._maxListeners = this._maxListeners || undefined;
  }
  module.exports = EventEmitter;
  EventEmitter.EventEmitter = EventEmitter;
  
  EventEmitter.prototype._events = undefined;
  EventEmitter.prototype._maxListeners = undefined;
  EventEmitter.defaultMaxListeners = 10;
  EventEmitter.prototype.setMaxListeners = function(n) {
    if (!isNumber(n) || n < 0 || isNaN(n))
      throw TypeError('n must be a positive number');
    this._maxListeners = n;
    return this;
  };
  
  EventEmitter.prototype.emit = function(type) {
    var er, handler, len, args, i, listeners;
  
    if (!this._events)
      this._events = {};
    if (type === 'error') {
      if (!this._events.error ||
          (isObject(this._events.error) && !this._events.error.length)) {
        er = arguments[1];
        if (er instanceof Error) {
          throw er; // Unhandled 'error' event
        }
        throw TypeError('Uncaught, unspecified "error" event.');
      }
    }
  
    handler = this._events[type];
  
    if (isUndefined(handler))
      return false;
  
    if (isFunction(handler)) {
      switch (arguments.length) {
        case 1:
          handler.call(this);
          break;
        case 2:
          handler.call(this, arguments[1]);
          break;
        case 3:
          handler.call(this, arguments[1], arguments[2]);
          break;
        default:
          len = arguments.length;
          args = new Array(len - 1);
          for (i = 1; i < len; i++)
            args[i - 1] = arguments[i];
          handler.apply(this, args);
      }
    } else if (isObject(handler)) {
      len = arguments.length;
      args = new Array(len - 1);
      for (i = 1; i < len; i++)
        args[i - 1] = arguments[i];
  
      listeners = handler.slice();
      len = listeners.length;
      for (i = 0; i < len; i++)
        listeners[i].apply(this, args);
    }
  
    return true;
  };
  
  EventEmitter.prototype.addListener = function(type, listener) {
    var m;
  
    if (!isFunction(listener))
      throw TypeError('listener must be a function');
  
    if (!this._events)
      this._events = {};
    if (this._events.newListener)
      this.emit('newListener', type,
                isFunction(listener.listener) ?
                listener.listener : listener);
  
    if (!this._events[type])
      this._events[type] = listener;
    else if (isObject(this._events[type]))
      this._events[type].push(listener);
    else
      this._events[type] = [this._events[type], listener];
    if (isObject(this._events[type]) && !this._events[type].warned) {
      var m;
      if (!isUndefined(this._maxListeners)) {
        m = this._maxListeners;
      } else {
        m = EventEmitter.defaultMaxListeners;
      }
  
      if (m && m > 0 && this._events[type].length > m) {
        this._events[type].warned = true;
        console.error('(node) warning: possible EventEmitter memory ' +
                      'leak detected. %d listeners added. ' +
                      'Use emitter.setMaxListeners() to increase limit.',
                      this._events[type].length);
        if (typeof console.trace === 'function') {
          console.trace();
        }
      }
    }
  
    return this;
  };
  
  EventEmitter.prototype.on = EventEmitter.prototype.addListener;
  
  EventEmitter.prototype.once = function(type, listener) {
    if (!isFunction(listener))
      throw TypeError('listener must be a function');
  
    var fired = false;
  
    function g() {
      this.removeListener(type, g);
  
      if (!fired) {
        fired = true;
        listener.apply(this, arguments);
      }
    }
  
    g.listener = listener;
    this.on(type, g);
  
    return this;
  };
  EventEmitter.prototype.removeListener = function(type, listener) {
    var list, position, length, i;
  
    if (!isFunction(listener))
      throw TypeError('listener must be a function');
  
    if (!this._events || !this._events[type])
      return this;
  
    list = this._events[type];
    length = list.length;
    position = -1;
  
    if (list === listener ||
        (isFunction(list.listener) && list.listener === listener)) {
      delete this._events[type];
      if (this._events.removeListener)
        this.emit('removeListener', type, listener);
  
    } else if (isObject(list)) {
      for (i = length; i-- > 0;) {
        if (list[i] === listener ||
            (list[i].listener && list[i].listener === listener)) {
          position = i;
          break;
        }
      }
  
      if (position < 0)
        return this;
  
      if (list.length === 1) {
        list.length = 0;
        delete this._events[type];
      } else {
        list.splice(position, 1);
      }
  
      if (this._events.removeListener)
        this.emit('removeListener', type, listener);
    }
  
    return this;
  };
  
  EventEmitter.prototype.removeAllListeners = function(type) {
    var key, listeners;
  
    if (!this._events)
      return this;
    if (!this._events.removeListener) {
      if (arguments.length === 0)
        this._events = {};
      else if (this._events[type])
        delete this._events[type];
      return this;
    }
    if (arguments.length === 0) {
      for (key in this._events) {
        if (key === 'removeListener') continue;
        this.removeAllListeners(key);
      }
      this.removeAllListeners('removeListener');
      this._events = {};
      return this;
    }
  
    listeners = this._events[type];
  
    if (isFunction(listeners)) {
      this.removeListener(type, listeners);
    } else {
      while (listeners.length)
        this.removeListener(type, listeners[listeners.length - 1]);
    }
    delete this._events[type];
  
    return this;
  };
  
  EventEmitter.prototype.listeners = function(type) {
    var ret;
    if (!this._events || !this._events[type])
      ret = [];
    else if (isFunction(this._events[type]))
      ret = [this._events[type]];
    else
      ret = this._events[type].slice();
    return ret;
  };
  
  EventEmitter.listenerCount = function(emitter, type) {
    var ret;
    if (!emitter._events || !emitter._events[type])
      ret = 0;
    else if (isFunction(emitter._events[type]))
      ret = 1;
    else
      ret = emitter._events[type].length;
    return ret;
  };
  
  function isFunction(arg) {
    return typeof arg === 'function';
  }
  
  function isNumber(arg) {
    return typeof arg === 'number';
  }
  
  function isObject(arg) {
    return typeof arg === 'object' && arg !== null;
  }
  
  function isUndefined(arg) {
    return arg === void 0;
  }
  
  },{}],"/node_modules/jshint/data/ascii-identifier-data.js":[function(_dereq_,module,exports){
  var identifierStartTable = [];
  
  for (var i = 0; i < 128; i++) {
    identifierStartTable[i] =
      i === 36 ||           // $
      i >= 65 && i <= 90 || // A-Z
      i === 95 ||           // _
      i >= 97 && i <= 122;  // a-z
  }
  
  var identifierPartTable = [];
  
  for (var i = 0; i < 128; i++) {
    identifierPartTable[i] =
      identifierStartTable[i] || // $, _, A-Z, a-z
      i >= 48 && i <= 57;        // 0-9
  }
  
  module.exports = {
    asciiIdentifierStartTable: identifierStartTable,
    asciiIdentifierPartTable: identifierPartTable
  };
  
  },{}],"/node_modules/jshint/lodash.js":[function(_dereq_,module,exports){
  (function (global){
  ;(function() {
  
    var undefined;
  
    var VERSION = '3.7.0';
  
    var FUNC_ERROR_TEXT = 'Expected a function';
  
    var argsTag = '[object Arguments]',
        arrayTag = '[object Array]',
        boolTag = '[object Boolean]',
        dateTag = '[object Date]',
        errorTag = '[object Error]',
        funcTag = '[object Function]',
        mapTag = '[object Map]',
        numberTag = '[object Number]',
        objectTag = '[object Object]',
        regexpTag = '[object RegExp]',
        setTag = '[object Set]',
        stringTag = '[object String]',
        weakMapTag = '[object WeakMap]';
  
    var arrayBufferTag = '[object ArrayBuffer]',
        float32Tag = '[object Float32Array]',
        float64Tag = '[object Float64Array]',
        int8Tag = '[object Int8Array]',
        int16Tag = '[object Int16Array]',
        int32Tag = '[object Int32Array]',
        uint8Tag = '[object Uint8Array]',
        uint8ClampedTag = '[object Uint8ClampedArray]',
        uint16Tag = '[object Uint16Array]',
        uint32Tag = '[object Uint32Array]';
  
    var reIsDeepProp = /\.|\[(?:[^[\]]+|(["'])(?:(?!\1)[^\n\\]|\\.)*?)\1\]/,
        reIsPlainProp = /^\w*$/,
        rePropName = /[^.[\]]+|\[(?:(-?\d+(?:\.\d+)?)|(["'])((?:(?!\2)[^\n\\]|\\.)*?)\2)\]/g;
  
    var reRegExpChars = /[.*+?^${}()|[\]\/\\]/g,
        reHasRegExpChars = RegExp(reRegExpChars.source);
  
    var reEscapeChar = /\\(\\)?/g;
  
    var reFlags = /\w*$/;
  
    var reIsHostCtor = /^\[object .+?Constructor\]$/;
  
    var typedArrayTags = {};
    typedArrayTags[float32Tag] = typedArrayTags[float64Tag] =
    typedArrayTags[int8Tag] = typedArrayTags[int16Tag] =
    typedArrayTags[int32Tag] = typedArrayTags[uint8Tag] =
    typedArrayTags[uint8ClampedTag] = typedArrayTags[uint16Tag] =
    typedArrayTags[uint32Tag] = true;
    typedArrayTags[argsTag] = typedArrayTags[arrayTag] =
    typedArrayTags[arrayBufferTag] = typedArrayTags[boolTag] =
    typedArrayTags[dateTag] = typedArrayTags[errorTag] =
    typedArrayTags[funcTag] = typedArrayTags[mapTag] =
    typedArrayTags[numberTag] = typedArrayTags[objectTag] =
    typedArrayTags[regexpTag] = typedArrayTags[setTag] =
    typedArrayTags[stringTag] = typedArrayTags[weakMapTag] = false;
  
    var cloneableTags = {};
    cloneableTags[argsTag] = cloneableTags[arrayTag] =
    cloneableTags[arrayBufferTag] = cloneableTags[boolTag] =
    cloneableTags[dateTag] = cloneableTags[float32Tag] =
    cloneableTags[float64Tag] = cloneableTags[int8Tag] =
    cloneableTags[int16Tag] = cloneableTags[int32Tag] =
    cloneableTags[numberTag] = cloneableTags[objectTag] =
    cloneableTags[regexpTag] = cloneableTags[stringTag] =
    cloneableTags[uint8Tag] = cloneableTags[uint8ClampedTag] =
    cloneableTags[uint16Tag] = cloneableTags[uint32Tag] = true;
    cloneableTags[errorTag] = cloneableTags[funcTag] =
    cloneableTags[mapTag] = cloneableTags[setTag] =
    cloneableTags[weakMapTag] = false;
  
    var objectTypes = {
      'function': true,
      'object': true
    };
  
    var freeExports = objectTypes[typeof exports] && exports && !exports.nodeType && exports;
  
    var freeModule = objectTypes[typeof module] && module && !module.nodeType && module;
  
    var freeGlobal = freeExports && freeModule && typeof global == 'object' && global && global.Object && global;
  
    var freeSelf = objectTypes[typeof self] && self && self.Object && self;
  
    var freeWindow = objectTypes[typeof window] && window && window.Object && window;
  
    var moduleExports = freeModule && freeModule.exports === freeExports && freeExports;
  
    var root = freeGlobal || ((freeWindow !== (this && this.window)) && freeWindow) || freeSelf || this;
  
    function baseFindIndex(array, predicate, fromRight) {
      var length = array.length,
          index = fromRight ? length : -1;
  
      while ((fromRight ? index-- : ++index < length)) {
        if (predicate(array[index], index, array)) {
          return index;
        }
      }
      return -1;
    }
  
    function baseIndexOf(array, value, fromIndex) {
      if (value !== value) {
        return indexOfNaN(array, fromIndex);
      }
      var index = fromIndex - 1,
          length = array.length;
  
      while (++index < length) {
        if (array[index] === value) {
          return index;
        }
      }
      return -1;
    }
  
    function baseIsFunction(value) {
      return typeof value == 'function' || false;
    }
  
    function baseToString(value) {
      if (typeof value == 'string') {
        return value;
      }
      return value == null ? '' : (value + '');
    }
  
    function indexOfNaN(array, fromIndex, fromRight) {
      var length = array.length,
          index = fromIndex + (fromRight ? 0 : -1);
  
      while ((fromRight ? index-- : ++index < length)) {
        var other = array[index];
        if (other !== other) {
          return index;
        }
      }
      return -1;
    }
  
    function isObjectLike(value) {
      return !!value && typeof value == 'object';
    }
  
    var arrayProto = Array.prototype,
        objectProto = Object.prototype;
  
    var fnToString = Function.prototype.toString;
  
    var hasOwnProperty = objectProto.hasOwnProperty;
  
    var objToString = objectProto.toString;
  
    var reIsNative = RegExp('^' +
      escapeRegExp(objToString)
      .replace(/toString|(function).*?(?=\\\()| for .+?(?=\\\])/g, '$1.*?') + '$'
    );
  
    var ArrayBuffer = isNative(ArrayBuffer = root.ArrayBuffer) && ArrayBuffer,
        bufferSlice = isNative(bufferSlice = ArrayBuffer && new ArrayBuffer(0).slice) && bufferSlice,
        floor = Math.floor,
        getOwnPropertySymbols = isNative(getOwnPropertySymbols = Object.getOwnPropertySymbols) && getOwnPropertySymbols,
        getPrototypeOf = isNative(getPrototypeOf = Object.getPrototypeOf) && getPrototypeOf,
        push = arrayProto.push,
        preventExtensions = isNative(Object.preventExtensions = Object.preventExtensions) && preventExtensions,
        propertyIsEnumerable = objectProto.propertyIsEnumerable,
        Uint8Array = isNative(Uint8Array = root.Uint8Array) && Uint8Array;
  
    var Float64Array = (function() {
      try {
        var func = isNative(func = root.Float64Array) && func,
            result = new func(new ArrayBuffer(10), 0, 1) && func;
      } catch(e) {}
      return result;
    }());
  
    var nativeAssign = (function() {
      var object = { '1': 0 },
          func = preventExtensions && isNative(func = Object.assign) && func;
  
      try { func(preventExtensions(object), 'xo'); } catch(e) {}
      return !object[1] && func;
    }());
  
    var nativeIsArray = isNative(nativeIsArray = Array.isArray) && nativeIsArray,
        nativeKeys = isNative(nativeKeys = Object.keys) && nativeKeys,
        nativeMax = Math.max,
        nativeMin = Math.min;
  
    var NEGATIVE_INFINITY = Number.NEGATIVE_INFINITY;
  
    var MAX_ARRAY_LENGTH = Math.pow(2, 32) - 1,
        MAX_ARRAY_INDEX =  MAX_ARRAY_LENGTH - 1,
        HALF_MAX_ARRAY_LENGTH = MAX_ARRAY_LENGTH >>> 1;
  
    var FLOAT64_BYTES_PER_ELEMENT = Float64Array ? Float64Array.BYTES_PER_ELEMENT : 0;
  
    var MAX_SAFE_INTEGER = Math.pow(2, 53) - 1;
  
    function lodash() {
    }
  
    var support = lodash.support = {};
  
    (function(x) {
      var Ctor = function() { this.x = x; },
          object = { '0': x, 'length': x },
          props = [];
  
      Ctor.prototype = { 'valueOf': x, 'y': x };
      for (var key in new Ctor) { props.push(key); }
  
      support.funcDecomp = /\bthis\b/.test(function() { return this; });
  
      support.funcNames = typeof Function.name == 'string';
  
      try {
        support.nonEnumArgs = !propertyIsEnumerable.call(arguments, 1);
      } catch(e) {
        support.nonEnumArgs = true;
      }
    }(1, 0));
  
    function arrayCopy(source, array) {
      var index = -1,
          length = source.length;
  
      array || (array = Array(length));
      while (++index < length) {
        array[index] = source[index];
      }
      return array;
    }
  
    function arrayEach(array, iteratee) {
      var index = -1,
          length = array.length;
  
      while (++index < length) {
        if (iteratee(array[index], index, array) === false) {
          break;
        }
      }
      return array;
    }
  
    function arrayFilter(array, predicate) {
      var index = -1,
          length = array.length,
          resIndex = -1,
          result = [];
  
      while (++index < length) {
        var value = array[index];
        if (predicate(value, index, array)) {
          result[++resIndex] = value;
        }
      }
      return result;
    }
  
    function arrayMap(array, iteratee) {
      var index = -1,
          length = array.length,
          result = Array(length);
  
      while (++index < length) {
        result[index] = iteratee(array[index], index, array);
      }
      return result;
    }
  
    function arrayMax(array) {
      var index = -1,
          length = array.length,
          result = NEGATIVE_INFINITY;
  
      while (++index < length) {
        var value = array[index];
        if (value > result) {
          result = value;
        }
      }
      return result;
    }
  
    function arraySome(array, predicate) {
      var index = -1,
          length = array.length;
  
      while (++index < length) {
        if (predicate(array[index], index, array)) {
          return true;
        }
      }
      return false;
    }
  
    function assignWith(object, source, customizer) {
      var props = keys(source);
      push.apply(props, getSymbols(source));
  
      var index = -1,
          length = props.length;
  
      while (++index < length) {
        var key = props[index],
            value = object[key],
            result = customizer(value, source[key], key, object, source);
  
        if ((result === result ? (result !== value) : (value === value)) ||
            (value === undefined && !(key in object))) {
          object[key] = result;
        }
      }
      return object;
    }
  
    var baseAssign = nativeAssign || function(object, source) {
      return source == null
        ? object
        : baseCopy(source, getSymbols(source), baseCopy(source, keys(source), object));
    };
  
    function baseCopy(source, props, object) {
      object || (object = {});
  
      var index = -1,
          length = props.length;
  
      while (++index < length) {
        var key = props[index];
        object[key] = source[key];
      }
      return object;
    }
  
    function baseCallback(func, thisArg, argCount) {
      var type = typeof func;
      if (type == 'function') {
        return thisArg === undefined
          ? func
          : bindCallback(func, thisArg, argCount);
      }
      if (func == null) {
        return identity;
      }
      if (type == 'object') {
        return baseMatches(func);
      }
      return thisArg === undefined
        ? property(func)
        : baseMatchesProperty(func, thisArg);
    }
  
    function baseClone(value, isDeep, customizer, key, object, stackA, stackB) {
      var result;
      if (customizer) {
        result = object ? customizer(value, key, object) : customizer(value);
      }
      if (result !== undefined) {
        return result;
      }
      if (!isObject(value)) {
        return value;
      }
      var isArr = isArray(value);
      if (isArr) {
        result = initCloneArray(value);
        if (!isDeep) {
          return arrayCopy(value, result);
        }
      } else {
        var tag = objToString.call(value),
            isFunc = tag == funcTag;
  
        if (tag == objectTag || tag == argsTag || (isFunc && !object)) {
          result = initCloneObject(isFunc ? {} : value);
          if (!isDeep) {
            return baseAssign(result, value);
          }
        } else {
          return cloneableTags[tag]
            ? initCloneByTag(value, tag, isDeep)
            : (object ? value : {});
        }
      }
      stackA || (stackA = []);
      stackB || (stackB = []);
  
      var length = stackA.length;
      while (length--) {
        if (stackA[length] == value) {
          return stackB[length];
        }
      }
      stackA.push(value);
      stackB.push(result);
  
      (isArr ? arrayEach : baseForOwn)(value, function(subValue, key) {
        result[key] = baseClone(subValue, isDeep, customizer, key, value, stackA, stackB);
      });
      return result;
    }
  
    var baseEach = createBaseEach(baseForOwn);
  
    function baseFilter(collection, predicate) {
      var result = [];
      baseEach(collection, function(value, index, collection) {
        if (predicate(value, index, collection)) {
          result.push(value);
        }
      });
      return result;
    }
  
    var baseFor = createBaseFor();
  
    function baseForIn(object, iteratee) {
      return baseFor(object, iteratee, keysIn);
    }
  
    function baseForOwn(object, iteratee) {
      return baseFor(object, iteratee, keys);
    }
  
    function baseGet(object, path, pathKey) {
      if (object == null) {
        return;
      }
      if (pathKey !== undefined && pathKey in toObject(object)) {
        path = [pathKey];
      }
      var index = -1,
          length = path.length;
  
      while (object != null && ++index < length) {
        var result = object = object[path[index]];
      }
      return result;
    }
  
    function baseIsEqual(value, other, customizer, isLoose, stackA, stackB) {
      if (value === other) {
        return value !== 0 || (1 / value == 1 / other);
      }
      var valType = typeof value,
          othType = typeof other;
  
      if ((valType != 'function' && valType != 'object' && othType != 'function' && othType != 'object') ||
          value == null || other == null) {
        return value !== value && other !== other;
      }
      return baseIsEqualDeep(value, other, baseIsEqual, customizer, isLoose, stackA, stackB);
    }
  
    function baseIsEqualDeep(object, other, equalFunc, customizer, isLoose, stackA, stackB) {
      var objIsArr = isArray(object),
          othIsArr = isArray(other),
          objTag = arrayTag,
          othTag = arrayTag;
  
      if (!objIsArr) {
        objTag = objToString.call(object);
        if (objTag == argsTag) {
          objTag = objectTag;
        } else if (objTag != objectTag) {
          objIsArr = isTypedArray(object);
        }
      }
      if (!othIsArr) {
        othTag = objToString.call(other);
        if (othTag == argsTag) {
          othTag = objectTag;
        } else if (othTag != objectTag) {
          othIsArr = isTypedArray(other);
        }
      }
      var objIsObj = objTag == objectTag,
          othIsObj = othTag == objectTag,
          isSameTag = objTag == othTag;
  
      if (isSameTag && !(objIsArr || objIsObj)) {
        return equalByTag(object, other, objTag);
      }
      if (!isLoose) {
        var valWrapped = objIsObj && hasOwnProperty.call(object, '__wrapped__'),
            othWrapped = othIsObj && hasOwnProperty.call(other, '__wrapped__');
  
        if (valWrapped || othWrapped) {
          return equalFunc(valWrapped ? object.value() : object, othWrapped ? other.value() : other, customizer, isLoose, stackA, stackB);
        }
      }
      if (!isSameTag) {
        return false;
      }
      stackA || (stackA = []);
      stackB || (stackB = []);
  
      var length = stackA.length;
      while (length--) {
        if (stackA[length] == object) {
          return stackB[length] == other;
        }
      }
      stackA.push(object);
      stackB.push(other);
  
      var result = (objIsArr ? equalArrays : equalObjects)(object, other, equalFunc, customizer, isLoose, stackA, stackB);
  
      stackA.pop();
      stackB.pop();
  
      return result;
    }
  
    function baseIsMatch(object, props, values, strictCompareFlags, customizer) {
      var index = -1,
          length = props.length,
          noCustomizer = !customizer;
  
      while (++index < length) {
        if ((noCustomizer && strictCompareFlags[index])
              ? values[index] !== object[props[index]]
              : !(props[index] in object)
            ) {
          return false;
        }
      }
      index = -1;
      while (++index < length) {
        var key = props[index],
            objValue = object[key],
            srcValue = values[index];
  
        if (noCustomizer && strictCompareFlags[index]) {
          var result = objValue !== undefined || (key in object);
        } else {
          result = customizer ? customizer(objValue, srcValue, key) : undefined;
          if (result === undefined) {
            result = baseIsEqual(srcValue, objValue, customizer, true);
          }
        }
        if (!result) {
          return false;
        }
      }
      return true;
    }
  
    function baseMatches(source) {
      var props = keys(source),
          length = props.length;
  
      if (!length) {
        return constant(true);
      }
      if (length == 1) {
        var key = props[0],
            value = source[key];
  
        if (isStrictComparable(value)) {
          return function(object) {
            if (object == null) {
              return false;
            }
            return object[key] === value && (value !== undefined || (key in toObject(object)));
          };
        }
      }
      var values = Array(length),
          strictCompareFlags = Array(length);
  
      while (length--) {
        value = source[props[length]];
        values[length] = value;
        strictCompareFlags[length] = isStrictComparable(value);
      }
      return function(object) {
        return object != null && baseIsMatch(toObject(object), props, values, strictCompareFlags);
      };
    }
  
    function baseMatchesProperty(path, value) {
      var isArr = isArray(path),
          isCommon = isKey(path) && isStrictComparable(value),
          pathKey = (path + '');
  
      path = toPath(path);
      return function(object) {
        if (object == null) {
          return false;
        }
        var key = pathKey;
        object = toObject(object);
        if ((isArr || !isCommon) && !(key in object)) {
          object = path.length == 1 ? object : baseGet(object, baseSlice(path, 0, -1));
          if (object == null) {
            return false;
          }
          key = last(path);
          object = toObject(object);
        }
        return object[key] === value
          ? (value !== undefined || (key in object))
          : baseIsEqual(value, object[key], null, true);
      };
    }
  
    function baseMerge(object, source, customizer, stackA, stackB) {
      if (!isObject(object)) {
        return object;
      }
      var isSrcArr = isLength(source.length) && (isArray(source) || isTypedArray(source));
      if (!isSrcArr) {
        var props = keys(source);
        push.apply(props, getSymbols(source));
      }
      arrayEach(props || source, function(srcValue, key) {
        if (props) {
          key = srcValue;
          srcValue = source[key];
        }
        if (isObjectLike(srcValue)) {
          stackA || (stackA = []);
          stackB || (stackB = []);
          baseMergeDeep(object, source, key, baseMerge, customizer, stackA, stackB);
        }
        else {
          var value = object[key],
              result = customizer ? customizer(value, srcValue, key, object, source) : undefined,
              isCommon = result === undefined;
  
          if (isCommon) {
            result = srcValue;
          }
          if ((isSrcArr || result !== undefined) &&
              (isCommon || (result === result ? (result !== value) : (value === value)))) {
            object[key] = result;
          }
        }
      });
      return object;
    }
  
    function baseMergeDeep(object, source, key, mergeFunc, customizer, stackA, stackB) {
      var length = stackA.length,
          srcValue = source[key];
  
      while (length--) {
        if (stackA[length] == srcValue) {
          object[key] = stackB[length];
          return;
        }
      }
      var value = object[key],
          result = customizer ? customizer(value, srcValue, key, object, source) : undefined,
          isCommon = result === undefined;
  
      if (isCommon) {
        result = srcValue;
        if (isLength(srcValue.length) && (isArray(srcValue) || isTypedArray(srcValue))) {
          result = isArray(value)
            ? value
            : (getLength(value) ? arrayCopy(value) : []);
        }
        else if (isPlainObject(srcValue) || isArguments(srcValue)) {
          result = isArguments(value)
            ? toPlainObject(value)
            : (isPlainObject(value) ? value : {});
        }
        else {
          isCommon = false;
        }
      }
      stackA.push(srcValue);
      stackB.push(result);
  
      if (isCommon) {
        object[key] = mergeFunc(result, srcValue, customizer, stackA, stackB);
      } else if (result === result ? (result !== value) : (value === value)) {
        object[key] = result;
      }
    }
  
    function baseProperty(key) {
      return function(object) {
        return object == null ? undefined : object[key];
      };
    }
  
    function basePropertyDeep(path) {
      var pathKey = (path + '');
      path = toPath(path);
      return function(object) {
        return baseGet(object, path, pathKey);
      };
    }
  
    function baseSlice(array, start, end) {
      var index = -1,
          length = array.length;
  
      start = start == null ? 0 : (+start || 0);
      if (start < 0) {
        start = -start > length ? 0 : (length + start);
      }
      end = (end === undefined || end > length) ? length : (+end || 0);
      if (end < 0) {
        end += length;
      }
      length = start > end ? 0 : ((end - start) >>> 0);
      start >>>= 0;
  
      var result = Array(length);
      while (++index < length) {
        result[index] = array[index + start];
      }
      return result;
    }
  
    function baseSome(collection, predicate) {
      var result;
  
      baseEach(collection, function(value, index, collection) {
        result = predicate(value, index, collection);
        return !result;
      });
      return !!result;
    }
  
    function baseValues(object, props) {
      var index = -1,
          length = props.length,
          result = Array(length);
  
      while (++index < length) {
        result[index] = object[props[index]];
      }
      return result;
    }
  
    function binaryIndex(array, value, retHighest) {
      var low = 0,
          high = array ? array.length : low;
  
      if (typeof value == 'number' && value === value && high <= HALF_MAX_ARRAY_LENGTH) {
        while (low < high) {
          var mid = (low + high) >>> 1,
              computed = array[mid];
  
          if (retHighest ? (computed <= value) : (computed < value)) {
            low = mid + 1;
          } else {
            high = mid;
          }
        }
        return high;
      }
      return binaryIndexBy(array, value, identity, retHighest);
    }
  
    function binaryIndexBy(array, value, iteratee, retHighest) {
      value = iteratee(value);
  
      var low = 0,
          high = array ? array.length : 0,
          valIsNaN = value !== value,
          valIsUndef = value === undefined;
  
      while (low < high) {
        var mid = floor((low + high) / 2),
            computed = iteratee(array[mid]),
            isReflexive = computed === computed;
  
        if (valIsNaN) {
          var setLow = isReflexive || retHighest;
        } else if (valIsUndef) {
          setLow = isReflexive && (retHighest || computed !== undefined);
        } else {
          setLow = retHighest ? (computed <= value) : (computed < value);
        }
        if (setLow) {
          low = mid + 1;
        } else {
          high = mid;
        }
      }
      return nativeMin(high, MAX_ARRAY_INDEX);
    }
  
    function bindCallback(func, thisArg, argCount) {
      if (typeof func != 'function') {
        return identity;
      }
      if (thisArg === undefined) {
        return func;
      }
      switch (argCount) {
        case 1: return function(value) {
          return func.call(thisArg, value);
        };
        case 3: return function(value, index, collection) {
          return func.call(thisArg, value, index, collection);
        };
        case 4: return function(accumulator, value, index, collection) {
          return func.call(thisArg, accumulator, value, index, collection);
        };
        case 5: return function(value, other, key, object, source) {
          return func.call(thisArg, value, other, key, object, source);
        };
      }
      return function() {
        return func.apply(thisArg, arguments);
      };
    }
  
    function bufferClone(buffer) {
      return bufferSlice.call(buffer, 0);
    }
    if (!bufferSlice) {
      bufferClone = !(ArrayBuffer && Uint8Array) ? constant(null) : function(buffer) {
        var byteLength = buffer.byteLength,
            floatLength = Float64Array ? floor(byteLength / FLOAT64_BYTES_PER_ELEMENT) : 0,
            offset = floatLength * FLOAT64_BYTES_PER_ELEMENT,
            result = new ArrayBuffer(byteLength);
  
        if (floatLength) {
          var view = new Float64Array(result, 0, floatLength);
          view.set(new Float64Array(buffer, 0, floatLength));
        }
        if (byteLength != offset) {
          view = new Uint8Array(result, offset);
          view.set(new Uint8Array(buffer, offset));
        }
        return result;
      };
    }
  
    function createAssigner(assigner) {
      return restParam(function(object, sources) {
        var index = -1,
            length = object == null ? 0 : sources.length,
            customizer = length > 2 && sources[length - 2],
            guard = length > 2 && sources[2],
            thisArg = length > 1 && sources[length - 1];
  
        if (typeof customizer == 'function') {
          customizer = bindCallback(customizer, thisArg, 5);
          length -= 2;
        } else {
          customizer = typeof thisArg == 'function' ? thisArg : null;
          length -= (customizer ? 1 : 0);
        }
        if (guard && isIterateeCall(sources[0], sources[1], guard)) {
          customizer = length < 3 ? null : customizer;
          length = 1;
        }
        while (++index < length) {
          var source = sources[index];
          if (source) {
            assigner(object, source, customizer);
          }
        }
        return object;
      });
    }
  
    function createBaseEach(eachFunc, fromRight) {
      return function(collection, iteratee) {
        var length = collection ? getLength(collection) : 0;
        if (!isLength(length)) {
          return eachFunc(collection, iteratee);
        }
        var index = fromRight ? length : -1,
            iterable = toObject(collection);
  
        while ((fromRight ? index-- : ++index < length)) {
          if (iteratee(iterable[index], index, iterable) === false) {
            break;
          }
        }
        return collection;
      };
    }
  
    function createBaseFor(fromRight) {
      return function(object, iteratee, keysFunc) {
        var iterable = toObject(object),
            props = keysFunc(object),
            length = props.length,
            index = fromRight ? length : -1;
  
        while ((fromRight ? index-- : ++index < length)) {
          var key = props[index];
          if (iteratee(iterable[key], key, iterable) === false) {
            break;
          }
        }
        return object;
      };
    }
  
    function createFindIndex(fromRight) {
      return function(array, predicate, thisArg) {
        if (!(array && array.length)) {
          return -1;
        }
        predicate = getCallback(predicate, thisArg, 3);
        return baseFindIndex(array, predicate, fromRight);
      };
    }
  
    function createForEach(arrayFunc, eachFunc) {
      return function(collection, iteratee, thisArg) {
        return (typeof iteratee == 'function' && thisArg === undefined && isArray(collection))
          ? arrayFunc(collection, iteratee)
          : eachFunc(collection, bindCallback(iteratee, thisArg, 3));
      };
    }
  
    function equalArrays(array, other, equalFunc, customizer, isLoose, stackA, stackB) {
      var index = -1,
          arrLength = array.length,
          othLength = other.length,
          result = true;
  
      if (arrLength != othLength && !(isLoose && othLength > arrLength)) {
        return false;
      }
      while (result && ++index < arrLength) {
        var arrValue = array[index],
            othValue = other[index];
  
        result = undefined;
        if (customizer) {
          result = isLoose
            ? customizer(othValue, arrValue, index)
            : customizer(arrValue, othValue, index);
        }
        if (result === undefined) {
          if (isLoose) {
            var othIndex = othLength;
            while (othIndex--) {
              othValue = other[othIndex];
              result = (arrValue && arrValue === othValue) || equalFunc(arrValue, othValue, customizer, isLoose, stackA, stackB);
              if (result) {
                break;
              }
            }
          } else {
            result = (arrValue && arrValue === othValue) || equalFunc(arrValue, othValue, customizer, isLoose, stackA, stackB);
          }
        }
      }
      return !!result;
    }
  
    function equalByTag(object, other, tag) {
      switch (tag) {
        case boolTag:
        case dateTag:
          return +object == +other;
  
        case errorTag:
          return object.name == other.name && object.message == other.message;
  
        case numberTag:
          return (object != +object)
            ? other != +other
            : (object == 0 ? ((1 / object) == (1 / other)) : object == +other);
  
        case regexpTag:
        case stringTag:
          return object == (other + '');
      }
      return false;
    }
  
    function equalObjects(object, other, equalFunc, customizer, isLoose, stackA, stackB) {
      var objProps = keys(object),
          objLength = objProps.length,
          othProps = keys(other),
          othLength = othProps.length;
  
      if (objLength != othLength && !isLoose) {
        return false;
      }
      var skipCtor = isLoose,
          index = -1;
  
      while (++index < objLength) {
        var key = objProps[index],
            result = isLoose ? key in other : hasOwnProperty.call(other, key);
  
        if (result) {
          var objValue = object[key],
              othValue = other[key];
  
          result = undefined;
          if (customizer) {
            result = isLoose
              ? customizer(othValue, objValue, key)
              : customizer(objValue, othValue, key);
          }
          if (result === undefined) {
            result = (objValue && objValue === othValue) || equalFunc(objValue, othValue, customizer, isLoose, stackA, stackB);
          }
        }
        if (!result) {
          return false;
        }
        skipCtor || (skipCtor = key == 'constructor');
      }
      if (!skipCtor) {
        var objCtor = object.constructor,
            othCtor = other.constructor;
  
        if (objCtor != othCtor &&
            ('constructor' in object && 'constructor' in other) &&
            !(typeof objCtor == 'function' && objCtor instanceof objCtor &&
              typeof othCtor == 'function' && othCtor instanceof othCtor)) {
          return false;
        }
      }
      return true;
    }
  
    function getCallback(func, thisArg, argCount) {
      var result = lodash.callback || callback;
      result = result === callback ? baseCallback : result;
      return argCount ? result(func, thisArg, argCount) : result;
    }
  
    function getIndexOf(collection, target, fromIndex) {
      var result = lodash.indexOf || indexOf;
      result = result === indexOf ? baseIndexOf : result;
      return collection ? result(collection, target, fromIndex) : result;
    }
  
    var getLength = baseProperty('length');
  
    var getSymbols = !getOwnPropertySymbols ? constant([]) : function(object) {
      return getOwnPropertySymbols(toObject(object));
    };
  
    function initCloneArray(array) {
      var length = array.length,
          result = new array.constructor(length);
  
      if (length && typeof array[0] == 'string' && hasOwnProperty.call(array, 'index')) {
        result.index = array.index;
        result.input = array.input;
      }
      return result;
    }
  
    function initCloneObject(object) {
      var Ctor = object.constructor;
      if (!(typeof Ctor == 'function' && Ctor instanceof Ctor)) {
        Ctor = Object;
      }
      return new Ctor;
    }
  
    function initCloneByTag(object, tag, isDeep) {
      var Ctor = object.constructor;
      switch (tag) {
        case arrayBufferTag:
          return bufferClone(object);
  
        case boolTag:
        case dateTag:
          return new Ctor(+object);
  
        case float32Tag: case float64Tag:
        case int8Tag: case int16Tag: case int32Tag:
        case uint8Tag: case uint8ClampedTag: case uint16Tag: case uint32Tag:
          var buffer = object.buffer;
          return new Ctor(isDeep ? bufferClone(buffer) : buffer, object.byteOffset, object.length);
  
        case numberTag:
        case stringTag:
          return new Ctor(object);
  
        case regexpTag:
          var result = new Ctor(object.source, reFlags.exec(object));
          result.lastIndex = object.lastIndex;
      }
      return result;
    }
  
    function isIndex(value, length) {
      value = +value;
      length = length == null ? MAX_SAFE_INTEGER : length;
      return value > -1 && value % 1 == 0 && value < length;
    }
  
    function isIterateeCall(value, index, object) {
      if (!isObject(object)) {
        return false;
      }
      var type = typeof index;
      if (type == 'number') {
        var length = getLength(object),
            prereq = isLength(length) && isIndex(index, length);
      } else {
        prereq = type == 'string' && index in object;
      }
      if (prereq) {
        var other = object[index];
        return value === value ? (value === other) : (other !== other);
      }
      return false;
    }
  
    function isKey(value, object) {
      var type = typeof value;
      if ((type == 'string' && reIsPlainProp.test(value)) || type == 'number') {
        return true;
      }
      if (isArray(value)) {
        return false;
      }
      var result = !reIsDeepProp.test(value);
      return result || (object != null && value in toObject(object));
    }
  
    function isLength(value) {
      return typeof value == 'number' && value > -1 && value % 1 == 0 && value <= MAX_SAFE_INTEGER;
    }
  
    function isStrictComparable(value) {
      return value === value && (value === 0 ? ((1 / value) > 0) : !isObject(value));
    }
  
    function shimIsPlainObject(value) {
      var Ctor,
          support = lodash.support;
  
      if (!(isObjectLike(value) && objToString.call(value) == objectTag) ||
          (!hasOwnProperty.call(value, 'constructor') &&
            (Ctor = value.constructor, typeof Ctor == 'function' && !(Ctor instanceof Ctor)))) {
        return false;
      }
      var result;
      baseForIn(value, function(subValue, key) {
        result = key;
      });
      return result === undefined || hasOwnProperty.call(value, result);
    }
  
    function shimKeys(object) {
      var props = keysIn(object),
          propsLength = props.length,
          length = propsLength && object.length,
          support = lodash.support;
  
      var allowIndexes = length && isLength(length) &&
        (isArray(object) || (support.nonEnumArgs && isArguments(object)));
  
      var index = -1,
          result = [];
  
      while (++index < propsLength) {
        var key = props[index];
        if ((allowIndexes && isIndex(key, length)) || hasOwnProperty.call(object, key)) {
          result.push(key);
        }
      }
      return result;
    }
  
    function toObject(value) {
      return isObject(value) ? value : Object(value);
    }
  
    function toPath(value) {
      if (isArray(value)) {
        return value;
      }
      var result = [];
      baseToString(value).replace(rePropName, function(match, number, quote, string) {
        result.push(quote ? string.replace(reEscapeChar, '$1') : (number || match));
      });
      return result;
    }
  
    var findLastIndex = createFindIndex(true);
  
    function indexOf(array, value, fromIndex) {
      var length = array ? array.length : 0;
      if (!length) {
        return -1;
      }
      if (typeof fromIndex == 'number') {
        fromIndex = fromIndex < 0 ? nativeMax(length + fromIndex, 0) : fromIndex;
      } else if (fromIndex) {
        var index = binaryIndex(array, value),
            other = array[index];
  
        if (value === value ? (value === other) : (other !== other)) {
          return index;
        }
        return -1;
      }
      return baseIndexOf(array, value, fromIndex || 0);
    }
  
    function last(array) {
      var length = array ? array.length : 0;
      return length ? array[length - 1] : undefined;
    }
  
    function slice(array, start, end) {
      var length = array ? array.length : 0;
      if (!length) {
        return [];
      }
      if (end && typeof end != 'number' && isIterateeCall(array, start, end)) {
        start = 0;
        end = length;
      }
      return baseSlice(array, start, end);
    }
  
    function unzip(array) {
      var index = -1,
          length = (array && array.length && arrayMax(arrayMap(array, getLength))) >>> 0,
          result = Array(length);
  
      while (++index < length) {
        result[index] = arrayMap(array, baseProperty(index));
      }
      return result;
    }
  
    var zip = restParam(unzip);
  
    var forEach = createForEach(arrayEach, baseEach);
  
    function includes(collection, target, fromIndex, guard) {
      var length = collection ? getLength(collection) : 0;
      if (!isLength(length)) {
        collection = values(collection);
        length = collection.length;
      }
      if (!length) {
        return false;
      }
      if (typeof fromIndex != 'number' || (guard && isIterateeCall(target, fromIndex, guard))) {
        fromIndex = 0;
      } else {
        fromIndex = fromIndex < 0 ? nativeMax(length + fromIndex, 0) : (fromIndex || 0);
      }
      return (typeof collection == 'string' || !isArray(collection) && isString(collection))
        ? (fromIndex < length && collection.indexOf(target, fromIndex) > -1)
        : (getIndexOf(collection, target, fromIndex) > -1);
    }
  
    function reject(collection, predicate, thisArg) {
      var func = isArray(collection) ? arrayFilter : baseFilter;
      predicate = getCallback(predicate, thisArg, 3);
      return func(collection, function(value, index, collection) {
        return !predicate(value, index, collection);
      });
    }
  
    function some(collection, predicate, thisArg) {
      var func = isArray(collection) ? arraySome : baseSome;
      if (thisArg && isIterateeCall(collection, predicate, thisArg)) {
        predicate = null;
      }
      if (typeof predicate != 'function' || thisArg !== undefined) {
        predicate = getCallback(predicate, thisArg, 3);
      }
      return func(collection, predicate);
    }
  
    function restParam(func, start) {
      if (typeof func != 'function') {
        throw new TypeError(FUNC_ERROR_TEXT);
      }
      start = nativeMax(start === undefined ? (func.length - 1) : (+start || 0), 0);
      return function() {
        var args = arguments,
            index = -1,
            length = nativeMax(args.length - start, 0),
            rest = Array(length);
  
        while (++index < length) {
          rest[index] = args[start + index];
        }
        switch (start) {
          case 0: return func.call(this, rest);
          case 1: return func.call(this, args[0], rest);
          case 2: return func.call(this, args[0], args[1], rest);
        }
        var otherArgs = Array(start + 1);
        index = -1;
        while (++index < start) {
          otherArgs[index] = args[index];
        }
        otherArgs[start] = rest;
        return func.apply(this, otherArgs);
      };
    }
  
    function clone(value, isDeep, customizer, thisArg) {
      if (isDeep && typeof isDeep != 'boolean' && isIterateeCall(value, isDeep, customizer)) {
        isDeep = false;
      }
      else if (typeof isDeep == 'function') {
        thisArg = customizer;
        customizer = isDeep;
        isDeep = false;
      }
      customizer = typeof customizer == 'function' && bindCallback(customizer, thisArg, 1);
      return baseClone(value, isDeep, customizer);
    }
  
    function isArguments(value) {
      var length = isObjectLike(value) ? value.length : undefined;
      return isLength(length) && objToString.call(value) == argsTag;
    }
  
    var isArray = nativeIsArray || function(value) {
      return isObjectLike(value) && isLength(value.length) && objToString.call(value) == arrayTag;
    };
  
    function isEmpty(value) {
      if (value == null) {
        return true;
      }
      var length = getLength(value);
      if (isLength(length) && (isArray(value) || isString(value) || isArguments(value) ||
          (isObjectLike(value) && isFunction(value.splice)))) {
        return !length;
      }
      return !keys(value).length;
    }
  
    var isFunction = !(baseIsFunction(/x/) || (Uint8Array && !baseIsFunction(Uint8Array))) ? baseIsFunction : function(value) {
      return objToString.call(value) == funcTag;
    };
  
    function isObject(value) {
      var type = typeof value;
      return type == 'function' || (!!value && type == 'object');
    }
  
    function isNative(value) {
      if (value == null) {
        return false;
      }
      if (objToString.call(value) == funcTag) {
        return reIsNative.test(fnToString.call(value));
      }
      return isObjectLike(value) && reIsHostCtor.test(value);
    }
  
    function isNumber(value) {
      return typeof value == 'number' || (isObjectLike(value) && objToString.call(value) == numberTag);
    }
  
    var isPlainObject = !getPrototypeOf ? shimIsPlainObject : function(value) {
      if (!(value && objToString.call(value) == objectTag)) {
        return false;
      }
      var valueOf = value.valueOf,
          objProto = isNative(valueOf) && (objProto = getPrototypeOf(valueOf)) && getPrototypeOf(objProto);
  
      return objProto
        ? (value == objProto || getPrototypeOf(value) == objProto)
        : shimIsPlainObject(value);
    };
  
    function isString(value) {
      return typeof value == 'string' || (isObjectLike(value) && objToString.call(value) == stringTag);
    }
  
    function isTypedArray(value) {
      return isObjectLike(value) && isLength(value.length) && !!typedArrayTags[objToString.call(value)];
    }
  
    function toPlainObject(value) {
      return baseCopy(value, keysIn(value));
    }
  
    var assign = createAssigner(function(object, source, customizer) {
      return customizer
        ? assignWith(object, source, customizer)
        : baseAssign(object, source);
    });
  
    function has(object, path) {
      if (object == null) {
        return false;
      }
      var result = hasOwnProperty.call(object, path);
      if (!result && !isKey(path)) {
        path = toPath(path);
        object = path.length == 1 ? object : baseGet(object, baseSlice(path, 0, -1));
        path = last(path);
        result = object != null && hasOwnProperty.call(object, path);
      }
      return result;
    }
  
    var keys = !nativeKeys ? shimKeys : function(object) {
      if (object) {
        var Ctor = object.constructor,
            length = object.length;
      }
      if ((typeof Ctor == 'function' && Ctor.prototype === object) ||
          (typeof object != 'function' && isLength(length))) {
        return shimKeys(object);
      }
      return isObject(object) ? nativeKeys(object) : [];
    };
  
    function keysIn(object) {
      if (object == null) {
        return [];
      }
      if (!isObject(object)) {
        object = Object(object);
      }
      var length = object.length;
      length = (length && isLength(length) &&
        (isArray(object) || (support.nonEnumArgs && isArguments(object))) && length) || 0;
  
      var Ctor = object.constructor,
          index = -1,
          isProto = typeof Ctor == 'function' && Ctor.prototype === object,
          result = Array(length),
          skipIndexes = length > 0;
  
      while (++index < length) {
        result[index] = (index + '');
      }
      for (var key in object) {
        if (!(skipIndexes && isIndex(key, length)) &&
            !(key == 'constructor' && (isProto || !hasOwnProperty.call(object, key)))) {
          result.push(key);
        }
      }
      return result;
    }
  
    var merge = createAssigner(baseMerge);
  
    function values(object) {
      return baseValues(object, keys(object));
    }
  
    function escapeRegExp(string) {
      string = baseToString(string);
      return (string && reHasRegExpChars.test(string))
        ? string.replace(reRegExpChars, '\\$&')
        : string;
    }
  
    function callback(func, thisArg, guard) {
      if (guard && isIterateeCall(func, thisArg, guard)) {
        thisArg = null;
      }
      return baseCallback(func, thisArg);
    }
  
    function constant(value) {
      return function() {
        return value;
      };
    }
  
    function identity(value) {
      return value;
    }
  
    function property(path) {
      return isKey(path) ? baseProperty(path) : basePropertyDeep(path);
    }
    lodash.assign = assign;
    lodash.callback = callback;
    lodash.constant = constant;
    lodash.forEach = forEach;
    lodash.keys = keys;
    lodash.keysIn = keysIn;
    lodash.merge = merge;
    lodash.property = property;
    lodash.reject = reject;
    lodash.restParam = restParam;
    lodash.slice = slice;
    lodash.toPlainObject = toPlainObject;
    lodash.unzip = unzip;
    lodash.values = values;
    lodash.zip = zip;
  
    lodash.each = forEach;
    lodash.extend = assign;
    lodash.iteratee = callback;
    lodash.clone = clone;
    lodash.escapeRegExp = escapeRegExp;
    lodash.findLastIndex = findLastIndex;
    lodash.has = has;
    lodash.identity = identity;
    lodash.includes = includes;
    lodash.indexOf = indexOf;
    lodash.isArguments = isArguments;
    lodash.isArray = isArray;
    lodash.isEmpty = isEmpty;
    lodash.isFunction = isFunction;
    lodash.isNative = isNative;
    lodash.isNumber = isNumber;
    lodash.isObject = isObject;
    lodash.isPlainObject = isPlainObject;
    lodash.isString = isString;
    lodash.isTypedArray = isTypedArray;
    lodash.last = last;
    lodash.some = some;
  
    lodash.any = some;
    lodash.contains = includes;
    lodash.include = includes;
  
    lodash.VERSION = VERSION;
    if (freeExports && freeModule) {
      if (moduleExports) {
        (freeModule.exports = lodash)._ = lodash;
      }
      else {
        freeExports._ = lodash;
      }
    }
    else {
      root._ = lodash;
    }
  }.call(this));
  
  }).call(this,typeof global !== "undefined" ? global : typeof self !== "undefined" ? self : typeof window !== "undefined" ? window : {})
  },{}],"/node_modules/jshint/src/jshint.js":[function(_dereq_,module,exports){
  
  var _            = _dereq_("../lodash");
  var events       = _dereq_("events");
  var vars         = _dereq_("./vars.js");
  var messages     = _dereq_("./messages.js");
  var Lexer        = _dereq_("./lex.js").Lexer;
  var reg          = _dereq_("./reg.js");
  var state        = _dereq_("./state.js").state;
  var style        = _dereq_("./style.js");
  var options      = _dereq_("./options.js");
  var scopeManager = _dereq_("./scope-manager.js");
  
  var JSHINT = (function() {
    "use strict";
  
    var api, // Extension API
      bang = {
        "<"  : true,
        "<=" : true,
        "==" : true,
        "===": true,
        "!==": true,
        "!=" : true,
        ">"  : true,
        ">=" : true,
        "+"  : true,
        "-"  : true,
        "*"  : true,
        "/"  : true,
        "%"  : true
      },
  
      declared, // Globals that were declared using /*global ... */ syntax.
  
      functionicity = [
        "closure", "exception", "global", "label",
        "outer", "unused", "var"
      ],
  
      functions, // All of the functions
  
      inblock,
      indent,
      lookahead,
      lex,
      member,
      membersOnly,
      predefined,    // Global variables defined by option
  
      stack,
      urls,
  
      extraModules = [],
      emitter = new events.EventEmitter();
  
    function checkOption(name, t) {
      name = name.trim();
  
      if (/^[+-]W\d{3}$/g.test(name)) {
        return true;
      }
  
      if (options.validNames.indexOf(name) === -1) {
        if (t.type !== "jslint" && !_.has(options.removed, name)) {
          error("E001", t, name);
          return false;
        }
      }
  
      return true;
    }
  
    function isString(obj) {
      return Object.prototype.toString.call(obj) === "[object String]";
    }
  
    function isIdentifier(tkn, value) {
      if (!tkn)
        return false;
  
      if (!tkn.identifier || tkn.value !== value)
        return false;
  
      return true;
    }
  
    function isReserved(token) {
      if (!token.reserved) {
        return false;
      }
      var meta = token.meta;
  
      if (meta && meta.isFutureReservedWord && state.inES5()) {
        if (!meta.es5) {
          return false;
        }
        if (meta.strictOnly) {
          if (!state.option.strict && !state.isStrict()) {
            return false;
          }
        }
  
        if (token.isProperty) {
          return false;
        }
      }
  
      return true;
    }
  
    function supplant(str, data) {
      return str.replace(/\{([^{}]*)\}/g, function(a, b) {
        var r = data[b];
        return typeof r === "string" || typeof r === "number" ? r : a;
      });
    }
  
    function combine(dest, src) {
      Object.keys(src).forEach(function(name) {
        if (_.has(JSHINT.blacklist, name)) return;
        dest[name] = src[name];
      });
    }
  
    function processenforceall() {
      if (state.option.enforceall) {
        for (var enforceopt in options.bool.enforcing) {
          if (state.option[enforceopt] === undefined &&
              !options.noenforceall[enforceopt]) {
            state.option[enforceopt] = true;
          }
        }
        for (var relaxopt in options.bool.relaxing) {
          if (state.option[relaxopt] === undefined) {
            state.option[relaxopt] = false;
          }
        }
      }
    }
  
    function assume() {
      processenforceall();
      if (!state.option.esversion && !state.option.moz) {
        if (state.option.es3) {
          state.option.esversion = 3;
        } else if (state.option.esnext) {
          state.option.esversion = 6;
        } else {
          state.option.esversion = 5;
        }
      }
  
      if (state.inES5()) {
        combine(predefined, vars.ecmaIdentifiers[5]);
      }
  
      if (state.inES6()) {
        combine(predefined, vars.ecmaIdentifiers[6]);
      }
  
      if (state.option.module) {
        if (state.option.strict === true) {
          state.option.strict = "global";
        }
        if (!state.inES6()) {
          warning("W134", state.tokens.next, "module", 6);
        }
      }
  
      if (state.option.couch) {
        combine(predefined, vars.couch);
      }
  
      if (state.option.qunit) {
        combine(predefined, vars.qunit);
      }
  
      if (state.option.rhino) {
        combine(predefined, vars.rhino);
      }
  
      if (state.option.shelljs) {
        combine(predefined, vars.shelljs);
        combine(predefined, vars.node);
      }
      if (state.option.typed) {
        combine(predefined, vars.typed);
      }
  
      if (state.option.phantom) {
        combine(predefined, vars.phantom);
        if (state.option.strict === true) {
          state.option.strict = "global";
        }
      }
  
      if (state.option.prototypejs) {
        combine(predefined, vars.prototypejs);
      }
  
      if (state.option.node) {
        combine(predefined, vars.node);
        combine(predefined, vars.typed);
        if (state.option.strict === true) {
          state.option.strict = "global";
        }
      }
  
      if (state.option.devel) {
        combine(predefined, vars.devel);
      }
  
      if (state.option.dojo) {
        combine(predefined, vars.dojo);
      }
  
      if (state.option.browser) {
        combine(predefined, vars.browser);
        combine(predefined, vars.typed);
      }
  
      if (state.option.browserify) {
        combine(predefined, vars.browser);
        combine(predefined, vars.typed);
        combine(predefined, vars.browserify);
        if (state.option.strict === true) {
          state.option.strict = "global";
        }
      }
  
      if (state.option.nonstandard) {
        combine(predefined, vars.nonstandard);
      }
  
      if (state.option.jasmine) {
        combine(predefined, vars.jasmine);
      }
  
      if (state.option.jquery) {
        combine(predefined, vars.jquery);
      }
  
      if (state.option.mootools) {
        combine(predefined, vars.mootools);
      }
  
      if (state.option.worker) {
        combine(predefined, vars.worker);
      }
  
      if (state.option.wsh) {
        combine(predefined, vars.wsh);
      }
  
      if (state.option.globalstrict && state.option.strict !== false) {
        state.option.strict = "global";
      }
  
      if (state.option.yui) {
        combine(predefined, vars.yui);
      }
  
      if (state.option.mocha) {
        combine(predefined, vars.mocha);
      }
    }
    function quit(code, line, chr) {
      var percentage = Math.floor((line / state.lines.length) * 100);
      var message = messages.errors[code].desc;
  
      throw {
        name: "JSHintError",
        line: line,
        character: chr,
        message: message + " (" + percentage + "% scanned).",
        raw: message,
        code: code
      };
    }
  
    function removeIgnoredMessages() {
      var ignored = state.ignoredLines;
  
      if (_.isEmpty(ignored)) return;
      JSHINT.errors = _.reject(JSHINT.errors, function(err) { return ignored[err.line] });
    }
  
    function warning(code, t, a, b, c, d) {
      var ch, l, w, msg;
  
      if (/^W\d{3}$/.test(code)) {
        if (state.ignored[code])
          return;
  
        msg = messages.warnings[code];
      } else if (/E\d{3}/.test(code)) {
        msg = messages.errors[code];
      } else if (/I\d{3}/.test(code)) {
        msg = messages.info[code];
      }
  
      t = t || state.tokens.next || {};
      if (t.id === "(end)") {  // `~
        t = state.tokens.curr;
      }
  
      l = t.line || 0;
      ch = t.from || 0;
  
      w = {
        id: "(error)",
        raw: msg.desc,
        code: msg.code,
        evidence: state.lines[l - 1] || "",
        line: l,
        character: ch,
        scope: JSHINT.scope,
        a: a,
        b: b,
        c: c,
        d: d
      };
  
      w.reason = supplant(msg.desc, w);
      JSHINT.errors.push(w);
  
      removeIgnoredMessages();
  
      if (JSHINT.errors.length >= state.option.maxerr)
        quit("E043", l, ch);
  
      return w;
    }
  
    function warningAt(m, l, ch, a, b, c, d) {
      return warning(m, {
        line: l,
        from: ch
      }, a, b, c, d);
    }
  
    function error(m, t, a, b, c, d) {
      warning(m, t, a, b, c, d);
    }
  
    function errorAt(m, l, ch, a, b, c, d) {
      return error(m, {
        line: l,
        from: ch
      }, a, b, c, d);
    }
    function addInternalSrc(elem, src) {
      var i;
      i = {
        id: "(internal)",
        elem: elem,
        value: src
      };
      JSHINT.internals.push(i);
      return i;
    }
  
    function doOption() {
      var nt = state.tokens.next;
      var body = nt.body.match(/(-\s+)?[^\s,:]+(?:\s*:\s*(-\s+)?[^\s,]+)?/g) || [];
  
      var predef = {};
      if (nt.type === "globals") {
        body.forEach(function(g, idx) {
          g = g.split(":");
          var key = (g[0] || "").trim();
          var val = (g[1] || "").trim();
  
          if (key === "-" || !key.length) {
            if (idx > 0 && idx === body.length - 1) {
              return;
            }
            error("E002", nt);
            return;
          }
  
          if (key.charAt(0) === "-") {
            key = key.slice(1);
            val = false;
  
            JSHINT.blacklist[key] = key;
            delete predefined[key];
          } else {
            predef[key] = (val === "true");
          }
        });
  
        combine(predefined, predef);
  
        for (var key in predef) {
          if (_.has(predef, key)) {
            declared[key] = nt;
          }
        }
      }
  
      if (nt.type === "exported") {
        body.forEach(function(e, idx) {
          if (!e.length) {
            if (idx > 0 && idx === body.length - 1) {
              return;
            }
            error("E002", nt);
            return;
          }
  
          state.funct["(scope)"].addExported(e);
        });
      }
  
      if (nt.type === "members") {
        membersOnly = membersOnly || {};
  
        body.forEach(function(m) {
          var ch1 = m.charAt(0);
          var ch2 = m.charAt(m.length - 1);
  
          if (ch1 === ch2 && (ch1 === "\"" || ch1 === "'")) {
            m = m
              .substr(1, m.length - 2)
              .replace("\\\"", "\"");
          }
  
          membersOnly[m] = false;
        });
      }
  
      var numvals = [
        "maxstatements",
        "maxparams",
        "maxdepth",
        "maxcomplexity",
        "maxerr",
        "maxlen",
        "indent"
      ];
  
      if (nt.type === "jshint" || nt.type === "jslint") {
        body.forEach(function(g) {
          g = g.split(":");
          var key = (g[0] || "").trim();
          var val = (g[1] || "").trim();
  
          if (!checkOption(key, nt)) {
            return;
          }
  
          if (numvals.indexOf(key) >= 0) {
            if (val !== "false") {
              val = +val;
  
              if (typeof val !== "number" || !isFinite(val) || val <= 0 || Math.floor(val) !== val) {
                error("E032", nt, g[1].trim());
                return;
              }
  
              state.option[key] = val;
            } else {
              state.option[key] = key === "indent" ? 4 : false;
            }
  
            return;
          }
  
          if (key === "validthis") {
  
            if (state.funct["(global)"])
              return void error("E009");
  
            if (val !== "true" && val !== "false")
              return void error("E002", nt);
  
            state.option.validthis = (val === "true");
            return;
          }
  
          if (key === "quotmark") {
            switch (val) {
            case "true":
            case "false":
              state.option.quotmark = (val === "true");
              break;
            case "double":
            case "single":
              state.option.quotmark = val;
              break;
            default:
              error("E002", nt);
            }
            return;
          }
  
          if (key === "shadow") {
            switch (val) {
            case "true":
              state.option.shadow = true;
              break;
            case "outer":
              state.option.shadow = "outer";
              break;
            case "false":
            case "inner":
              state.option.shadow = "inner";
              break;
            default:
              error("E002", nt);
            }
            return;
          }
  
          if (key === "unused") {
            switch (val) {
            case "true":
              state.option.unused = true;
              break;
            case "false":
              state.option.unused = false;
              break;
            case "vars":
            case "strict":
              state.option.unused = val;
              break;
            default:
              error("E002", nt);
            }
            return;
          }
  
          if (key === "latedef") {
            switch (val) {
            case "true":
              state.option.latedef = true;
              break;
            case "false":
              state.option.latedef = false;
              break;
            case "nofunc":
              state.option.latedef = "nofunc";
              break;
            default:
              error("E002", nt);
            }
            return;
          }
  
          if (key === "ignore") {
            switch (val) {
            case "line":
              state.ignoredLines[nt.line] = true;
              removeIgnoredMessages();
              break;
            default:
              error("E002", nt);
            }
            return;
          }
  
          if (key === "strict") {
            switch (val) {
            case "true":
              state.option.strict = true;
              break;
            case "false":
              state.option.strict = false;
              break;
            case "func":
            case "global":
            case "implied":
              state.option.strict = val;
              break;
            default:
              error("E002", nt);
            }
            return;
          }
  
          if (key === "module") {
            if (!hasParsedCode(state.funct)) {
              error("E055", state.tokens.next, "module");
            }
          }
          var esversions = {
            es3   : 3,
            es5   : 5,
            esnext: 6
          };
          if (_.has(esversions, key)) {
            switch (val) {
            case "true":
              state.option.moz = false;
              state.option.esversion = esversions[key];
              break;
            case "false":
              if (!state.option.moz) {
                state.option.esversion = 5;
              }
              break;
            default:
              error("E002", nt);
            }
            return;
          }
  
          if (key === "esversion") {
            switch (val) {
            case "5":
              if (state.inES5(true)) {
                warning("I003");
              }
            case "3":
            case "6":
              state.option.moz = false;
              state.option.esversion = +val;
              break;
            case "2015":
              state.option.moz = false;
              state.option.esversion = 6;
              break;
            default:
              error("E002", nt);
            }
            if (!hasParsedCode(state.funct)) {
              error("E055", state.tokens.next, "esversion");
            }
            return;
          }
  
          var match = /^([+-])(W\d{3})$/g.exec(key);
          if (match) {
            state.ignored[match[2]] = (match[1] === "-");
            return;
          }
  
          var tn;
          if (val === "true" || val === "false") {
            if (nt.type === "jslint") {
              tn = options.renamed[key] || key;
              state.option[tn] = (val === "true");
  
              if (options.inverted[tn] !== undefined) {
                state.option[tn] = !state.option[tn];
              }
            } else {
              state.option[key] = (val === "true");
            }
  
            if (key === "newcap") {
              state.option["(explicitNewcap)"] = true;
            }
            return;
          }
  
          error("E002", nt);
        });
  
        assume();
      }
    }
  
    function peek(p) {
      var i = p || 0, j = lookahead.length, t;
  
      if (i < j) {
        return lookahead[i];
      }
  
      while (j <= i) {
        t = lookahead[j];
        if (!t) {
          t = lookahead[j] = lex.token();
        }
        j += 1;
      }
      if (!t && state.tokens.next.id === "(end)") {
        return state.tokens.next;
      }
  
      return t;
    }
  
    function peekIgnoreEOL() {
      var i = 0;
      var t;
      do {
        t = peek(i++);
      } while (t.id === "(endline)");
      return t;
    }
  
    function advance(id, t) {
  
      switch (state.tokens.curr.id) {
      case "(number)":
        if (state.tokens.next.id === ".") {
          warning("W005", state.tokens.curr);
        }
        break;
      case "-":
        if (state.tokens.next.id === "-" || state.tokens.next.id === "--") {
          warning("W006");
        }
        break;
      case "+":
        if (state.tokens.next.id === "+" || state.tokens.next.id === "++") {
          warning("W007");
        }
        break;
      }
  
      if (id && state.tokens.next.id !== id) {
        if (t) {
          if (state.tokens.next.id === "(end)") {
            error("E019", t, t.id);
          } else {
            error("E020", state.tokens.next, id, t.id, t.line, state.tokens.next.value);
          }
        } else if (state.tokens.next.type !== "(identifier)" || state.tokens.next.value !== id) {
          warning("W116", state.tokens.next, id, state.tokens.next.value);
        }
      }
  
      state.tokens.prev = state.tokens.curr;
      state.tokens.curr = state.tokens.next;
      for (;;) {
        state.tokens.next = lookahead.shift() || lex.token();
  
        if (!state.tokens.next) { // No more tokens left, give up
          quit("E041", state.tokens.curr.line);
        }
  
        if (state.tokens.next.id === "(end)" || state.tokens.next.id === "(error)") {
          return;
        }
  
        if (state.tokens.next.check) {
          state.tokens.next.check();
        }
  
        if (state.tokens.next.isSpecial) {
          if (state.tokens.next.type === "falls through") {
            state.tokens.curr.caseFallsThrough = true;
          } else {
            doOption();
          }
        } else {
          if (state.tokens.next.id !== "(endline)") {
            break;
          }
        }
      }
    }
  
    function isInfix(token) {
      return token.infix || (!token.identifier && !token.template && !!token.led);
    }
  
    function isEndOfExpr() {
      var curr = state.tokens.curr;
      var next = state.tokens.next;
      if (next.id === ";" || next.id === "}" || next.id === ":") {
        return true;
      }
      if (isInfix(next) === isInfix(curr) || (curr.id === "yield" && state.inMoz())) {
        return curr.line !== startLine(next);
      }
      return false;
    }
  
    function isBeginOfExpr(prev) {
      return !prev.left && prev.arity !== "unary";
    }
  
    function expression(rbp, initial) {
      var left, isArray = false, isObject = false, isLetExpr = false;
  
      state.nameStack.push();
      if (!initial && state.tokens.next.value === "let" && peek(0).value === "(") {
        if (!state.inMoz()) {
          warning("W118", state.tokens.next, "let expressions");
        }
        isLetExpr = true;
        state.funct["(scope)"].stack();
        advance("let");
        advance("(");
        state.tokens.prev.fud();
        advance(")");
      }
  
      if (state.tokens.next.id === "(end)")
        error("E006", state.tokens.curr);
  
      var isDangerous =
        state.option.asi &&
        state.tokens.prev.line !== startLine(state.tokens.curr) &&
        _.contains(["]", ")"], state.tokens.prev.id) &&
        _.contains(["[", "("], state.tokens.curr.id);
  
      if (isDangerous)
        warning("W014", state.tokens.curr, state.tokens.curr.id);
  
      advance();
  
      if (initial) {
        state.funct["(verb)"] = state.tokens.curr.value;
        state.tokens.curr.beginsStmt = true;
      }
  
      if (initial === true && state.tokens.curr.fud) {
        left = state.tokens.curr.fud();
      } else {
        if (state.tokens.curr.nud) {
          left = state.tokens.curr.nud();
        } else {
          error("E030", state.tokens.curr, state.tokens.curr.id);
        }
        while ((rbp < state.tokens.next.lbp || state.tokens.next.type === "(template)") &&
                !isEndOfExpr()) {
          isArray = state.tokens.curr.value === "Array";
          isObject = state.tokens.curr.value === "Object";
          if (left && (left.value || (left.first && left.first.value))) {
            if (left.value !== "new" ||
              (left.first && left.first.value && left.first.value === ".")) {
              isArray = false;
              if (left.value !== state.tokens.curr.value) {
                isObject = false;
              }
            }
          }
  
          advance();
  
          if (isArray && state.tokens.curr.id === "(" && state.tokens.next.id === ")") {
            warning("W009", state.tokens.curr);
          }
  
          if (isObject && state.tokens.curr.id === "(" && state.tokens.next.id === ")") {
            warning("W010", state.tokens.curr);
          }
  
          if (left && state.tokens.curr.led) {
            left = state.tokens.curr.led(left);
          } else {
            error("E033", state.tokens.curr, state.tokens.curr.id);
          }
        }
      }
      if (isLetExpr) {
        state.funct["(scope)"].unstack();
      }
  
      state.nameStack.pop();
  
      return left;
    }
  
    function startLine(token) {
      return token.startLine || token.line;
    }
  
    function nobreaknonadjacent(left, right) {
      left = left || state.tokens.curr;
      right = right || state.tokens.next;
      if (!state.option.laxbreak && left.line !== startLine(right)) {
        warning("W014", right, right.value);
      }
    }
  
    function nolinebreak(t) {
      t = t || state.tokens.curr;
      if (t.line !== startLine(state.tokens.next)) {
        warning("E022", t, t.value);
      }
    }
  
    function nobreakcomma(left, right) {
      if (left.line !== startLine(right)) {
        if (!state.option.laxcomma) {
          if (comma.first) {
            warning("I001");
            comma.first = false;
          }
          warning("W014", left, right.value);
        }
      }
    }
  
    function comma(opts) {
      opts = opts || {};
  
      if (!opts.peek) {
        nobreakcomma(state.tokens.curr, state.tokens.next);
        advance(",");
      } else {
        nobreakcomma(state.tokens.prev, state.tokens.curr);
      }
  
      if (state.tokens.next.identifier && !(opts.property && state.inES5())) {
        switch (state.tokens.next.value) {
        case "break":
        case "case":
        case "catch":
        case "continue":
        case "default":
        case "do":
        case "else":
        case "finally":
        case "for":
        case "if":
        case "in":
        case "instanceof":
        case "return":
        case "switch":
        case "throw":
        case "try":
        case "var":
        case "let":
        case "while":
        case "with":
          error("E024", state.tokens.next, state.tokens.next.value);
          return false;
        }
      }
  
      if (state.tokens.next.type === "(punctuator)") {
        switch (state.tokens.next.value) {
        case "}":
        case "]":
        case ",":
          if (opts.allowTrailing) {
            return true;
          }
        case ")":
          error("E024", state.tokens.next, state.tokens.next.value);
          return false;
        }
      }
      return true;
    }
  
    function symbol(s, p) {
      var x = state.syntax[s];
      if (!x || typeof x !== "object") {
        state.syntax[s] = x = {
          id: s,
          lbp: p,
          value: s
        };
      }
      return x;
    }
  
    function delim(s) {
      var x = symbol(s, 0);
      x.delim = true;
      return x;
    }
  
    function stmt(s, f) {
      var x = delim(s);
      x.identifier = x.reserved = true;
      x.fud = f;
      return x;
    }
  
    function blockstmt(s, f) {
      var x = stmt(s, f);
      x.block = true;
      return x;
    }
  
    function reserveName(x) {
      var c = x.id.charAt(0);
      if ((c >= "a" && c <= "z") || (c >= "A" && c <= "Z")) {
        x.identifier = x.reserved = true;
      }
      return x;
    }
  
    function prefix(s, f) {
      var x = symbol(s, 150);
      reserveName(x);
  
      x.nud = (typeof f === "function") ? f : function() {
        this.arity = "unary";
        this.right = expression(150);
  
        if (this.id === "++" || this.id === "--") {
          if (state.option.plusplus) {
            warning("W016", this, this.id);
          } else if (this.right && (!this.right.identifier || isReserved(this.right)) &&
              this.right.id !== "." && this.right.id !== "[") {
            warning("W017", this);
          }
  
          if (this.right && this.right.isMetaProperty) {
            error("E031", this);
          } else if (this.right && this.right.identifier) {
            state.funct["(scope)"].block.modify(this.right.value, this);
          }
        }
  
        return this;
      };
  
      return x;
    }
  
    function type(s, f) {
      var x = delim(s);
      x.type = s;
      x.nud = f;
      return x;
    }
  
    function reserve(name, func) {
      var x = type(name, func);
      x.identifier = true;
      x.reserved = true;
      return x;
    }
  
    function FutureReservedWord(name, meta) {
      var x = type(name, (meta && meta.nud) || function() {
        return this;
      });
  
      meta = meta || {};
      meta.isFutureReservedWord = true;
  
      x.value = name;
      x.identifier = true;
      x.reserved = true;
      x.meta = meta;
  
      return x;
    }
  
    function reservevar(s, v) {
      return reserve(s, function() {
        if (typeof v === "function") {
          v(this);
        }
        return this;
      });
    }
  
    function infix(s, f, p, w) {
      var x = symbol(s, p);
      reserveName(x);
      x.infix = true;
      x.led = function(left) {
        if (!w) {
          nobreaknonadjacent(state.tokens.prev, state.tokens.curr);
        }
        if ((s === "in" || s === "instanceof") && left.id === "!") {
          warning("W018", left, "!");
        }
        if (typeof f === "function") {
          return f(left, this);
        } else {
          this.left = left;
          this.right = expression(p);
          return this;
        }
      };
      return x;
    }
  
    function application(s) {
      var x = symbol(s, 42);
  
      x.led = function(left) {
        nobreaknonadjacent(state.tokens.prev, state.tokens.curr);
  
        this.left = left;
        this.right = doFunction({ type: "arrow", loneArg: left });
        return this;
      };
      return x;
    }
  
    function relation(s, f) {
      var x = symbol(s, 100);
  
      x.led = function(left) {
        nobreaknonadjacent(state.tokens.prev, state.tokens.curr);
        this.left = left;
        var right = this.right = expression(100);
  
        if (isIdentifier(left, "NaN") || isIdentifier(right, "NaN")) {
          warning("W019", this);
        } else if (f) {
          f.apply(this, [left, right]);
        }
  
        if (!left || !right) {
          quit("E041", state.tokens.curr.line);
        }
  
        if (left.id === "!") {
          warning("W018", left, "!");
        }
  
        if (right.id === "!") {
          warning("W018", right, "!");
        }
  
        return this;
      };
      return x;
    }
  
    function isPoorRelation(node) {
      return node &&
          ((node.type === "(number)" && +node.value === 0) ||
          (node.type === "(string)" && node.value === "") ||
          (node.type === "null" && !state.option.eqnull) ||
          node.type === "true" ||
          node.type === "false" ||
          node.type === "undefined");
    }
  
    var typeofValues = {};
    typeofValues.legacy = [
      "xml",
      "unknown"
    ];
    typeofValues.es3 = [
      "undefined", "boolean", "number", "string", "function", "object",
    ];
    typeofValues.es3 = typeofValues.es3.concat(typeofValues.legacy);
    typeofValues.es6 = typeofValues.es3.concat("symbol");
    function isTypoTypeof(left, right, state) {
      var values;
  
      if (state.option.notypeof)
        return false;
  
      if (!left || !right)
        return false;
  
      values = state.inES6() ? typeofValues.es6 : typeofValues.es3;
  
      if (right.type === "(identifier)" && right.value === "typeof" && left.type === "(string)")
        return !_.contains(values, left.value);
  
      return false;
    }
  
    function isGlobalEval(left, state) {
      var isGlobal = false;
      if (left.type === "this" && state.funct["(context)"] === null) {
        isGlobal = true;
      }
      else if (left.type === "(identifier)") {
        if (state.option.node && left.value === "global") {
          isGlobal = true;
        }
  
        else if (state.option.browser && (left.value === "window" || left.value === "document")) {
          isGlobal = true;
        }
      }
  
      return isGlobal;
    }
  
    function findNativePrototype(left) {
      var natives = [
        "Array", "ArrayBuffer", "Boolean", "Collator", "DataView", "Date",
        "DateTimeFormat", "Error", "EvalError", "Float32Array", "Float64Array",
        "Function", "Infinity", "Intl", "Int16Array", "Int32Array", "Int8Array",
        "Iterator", "Number", "NumberFormat", "Object", "RangeError",
        "ReferenceError", "RegExp", "StopIteration", "String", "SyntaxError",
        "TypeError", "Uint16Array", "Uint32Array", "Uint8Array", "Uint8ClampedArray",
        "URIError"
      ];
  
      function walkPrototype(obj) {
        if (typeof obj !== "object") return;
        return obj.right === "prototype" ? obj : walkPrototype(obj.left);
      }
  
      function walkNative(obj) {
        while (!obj.identifier && typeof obj.left === "object")
          obj = obj.left;
  
        if (obj.identifier && natives.indexOf(obj.value) >= 0)
          return obj.value;
      }
  
      var prototype = walkPrototype(left);
      if (prototype) return walkNative(prototype);
    }
    function checkLeftSideAssign(left, assignToken, options) {
  
      var allowDestructuring = options && options.allowDestructuring;
  
      assignToken = assignToken || left;
  
      if (state.option.freeze) {
        var nativeObject = findNativePrototype(left);
        if (nativeObject)
          warning("W121", left, nativeObject);
      }
  
      if (left.identifier && !left.isMetaProperty) {
        state.funct["(scope)"].block.reassign(left.value, left);
      }
  
      if (left.id === ".") {
        if (!left.left || left.left.value === "arguments" && !state.isStrict()) {
          warning("E031", assignToken);
        }
  
        state.nameStack.set(state.tokens.prev);
        return true;
      } else if (left.id === "{" || left.id === "[") {
        if (allowDestructuring && state.tokens.curr.left.destructAssign) {
          state.tokens.curr.left.destructAssign.forEach(function(t) {
            if (t.id) {
              state.funct["(scope)"].block.modify(t.id, t.token);
            }
          });
        } else {
          if (left.id === "{" || !left.left) {
            warning("E031", assignToken);
          } else if (left.left.value === "arguments" && !state.isStrict()) {
            warning("E031", assignToken);
          }
        }
  
        if (left.id === "[") {
          state.nameStack.set(left.right);
        }
  
        return true;
      } else if (left.isMetaProperty) {
        error("E031", assignToken);
        return true;
      } else if (left.identifier && !isReserved(left)) {
        if (state.funct["(scope)"].labeltype(left.value) === "exception") {
          warning("W022", left);
        }
        state.nameStack.set(left);
        return true;
      }
  
      if (left === state.syntax["function"]) {
        warning("W023", state.tokens.curr);
      }
  
      return false;
    }
  
    function assignop(s, f, p) {
      var x = infix(s, typeof f === "function" ? f : function(left, that) {
        that.left = left;
  
        if (left && checkLeftSideAssign(left, that, { allowDestructuring: true })) {
          that.right = expression(10);
          return that;
        }
  
        error("E031", that);
      }, p);
  
      x.exps = true;
      x.assign = true;
      return x;
    }
  
  
    function bitwise(s, f, p) {
      var x = symbol(s, p);
      reserveName(x);
      x.led = (typeof f === "function") ? f : function(left) {
        if (state.option.bitwise) {
          warning("W016", this, this.id);
        }
        this.left = left;
        this.right = expression(p);
        return this;
      };
      return x;
    }
  
    function bitwiseassignop(s) {
      return assignop(s, function(left, that) {
        if (state.option.bitwise) {
          warning("W016", that, that.id);
        }
  
        if (left && checkLeftSideAssign(left, that)) {
          that.right = expression(10);
          return that;
        }
        error("E031", that);
      }, 20);
    }
  
    function suffix(s) {
      var x = symbol(s, 150);
  
      x.led = function(left) {
        if (state.option.plusplus) {
          warning("W016", this, this.id);
        } else if ((!left.identifier || isReserved(left)) && left.id !== "." && left.id !== "[") {
          warning("W017", this);
        }
  
        if (left.isMetaProperty) {
          error("E031", this);
        } else if (left && left.identifier) {
          state.funct["(scope)"].block.modify(left.value, left);
        }
  
        this.left = left;
        return this;
      };
      return x;
    }
  
    function optionalidentifier(fnparam, prop, preserve) {
      if (!state.tokens.next.identifier) {
        return;
      }
  
      if (!preserve) {
        advance();
      }
  
      var curr = state.tokens.curr;
      var val  = state.tokens.curr.value;
  
      if (!isReserved(curr)) {
        return val;
      }
  
      if (prop) {
        if (state.inES5()) {
          return val;
        }
      }
  
      if (fnparam && val === "undefined") {
        return val;
      }
  
      warning("W024", state.tokens.curr, state.tokens.curr.id);
      return val;
    }
    function identifier(fnparam, prop) {
      var i = optionalidentifier(fnparam, prop, false);
      if (i) {
        return i;
      }
      if (state.tokens.next.value === "...") {
        if (!state.inES6(true)) {
          warning("W119", state.tokens.next, "spread/rest operator", "6");
        }
        advance();
  
        if (checkPunctuator(state.tokens.next, "...")) {
          warning("E024", state.tokens.next, "...");
          while (checkPunctuator(state.tokens.next, "...")) {
            advance();
          }
        }
  
        if (!state.tokens.next.identifier) {
          warning("E024", state.tokens.curr, "...");
          return;
        }
  
        return identifier(fnparam, prop);
      } else {
        error("E030", state.tokens.next, state.tokens.next.value);
        if (state.tokens.next.id !== ";") {
          advance();
        }
      }
    }
  
  
    function reachable(controlToken) {
      var i = 0, t;
      if (state.tokens.next.id !== ";" || controlToken.inBracelessBlock) {
        return;
      }
      for (;;) {
        do {
          t = peek(i);
          i += 1;
        } while (t.id !== "(end)" && t.id === "(comment)");
  
        if (t.reach) {
          return;
        }
        if (t.id !== "(endline)") {
          if (t.id === "function") {
            if (state.option.latedef === true) {
              warning("W026", t);
            }
            break;
          }
  
          warning("W027", t, t.value, controlToken.value);
          break;
        }
      }
    }
  
    function parseFinalSemicolon() {
      if (state.tokens.next.id !== ";") {
        if (state.tokens.next.isUnclosed) return advance();
  
        var sameLine = startLine(state.tokens.next) === state.tokens.curr.line &&
                      state.tokens.next.id !== "(end)";
        var blockEnd = checkPunctuator(state.tokens.next, "}");
  
        if (sameLine && !blockEnd) {
          errorAt("E058", state.tokens.curr.line, state.tokens.curr.character);
        } else if (!state.option.asi) {
          if ((blockEnd && !state.option.lastsemic) || !sameLine) {
            warningAt("W033", state.tokens.curr.line, state.tokens.curr.character);
          }
        }
      } else {
        advance(";");
      }
    }
  
    function statement() {
      var i = indent, r, t = state.tokens.next, hasOwnScope = false;
  
      if (t.id === ";") {
        advance(";");
        return;
      }
      var res = isReserved(t);
  
      if (res && t.meta && t.meta.isFutureReservedWord && peek().id === ":") {
        warning("W024", t, t.id);
        res = false;
      }
  
      if (t.identifier && !res && peek().id === ":") {
        advance();
        advance(":");
  
        hasOwnScope = true;
        state.funct["(scope)"].stack();
        state.funct["(scope)"].block.addBreakLabel(t.value, { token: state.tokens.curr });
  
        if (!state.tokens.next.labelled && state.tokens.next.value !== "{") {
          warning("W028", state.tokens.next, t.value, state.tokens.next.value);
        }
  
        state.tokens.next.label = t.value;
        t = state.tokens.next;
      }
  
      if (t.id === "{") {
        var iscase = (state.funct["(verb)"] === "case" && state.tokens.curr.value === ":");
        block(true, true, false, false, iscase);
        return;
      }
  
      r = expression(0, true);
  
      if (r && !(r.identifier && r.value === "function") &&
          !(r.type === "(punctuator)" && r.left &&
            r.left.identifier && r.left.value === "function")) {
        if (!state.isStrict() &&
            state.option.strict === "global") {
          warning("E007");
        }
      }
  
      if (!t.block) {
        if (!state.option.expr && (!r || !r.exps)) {
          warning("W030", state.tokens.curr);
        } else if (state.option.nonew && r && r.left && r.id === "(" && r.left.id === "new") {
          warning("W031", t);
        }
        parseFinalSemicolon();
      }
  
      indent = i;
      if (hasOwnScope) {
        state.funct["(scope)"].unstack();
      }
      return r;
    }
  
  
    function statements() {
      var a = [], p;
  
      while (!state.tokens.next.reach && state.tokens.next.id !== "(end)") {
        if (state.tokens.next.id === ";") {
          p = peek();
  
          if (!p || (p.id !== "(" && p.id !== "[")) {
            warning("W032");
          }
  
          advance(";");
        } else {
          a.push(statement());
        }
      }
      return a;
    }
    function directives() {
      var i, p, pn;
  
      while (state.tokens.next.id === "(string)") {
        p = peek(0);
        if (p.id === "(endline)") {
          i = 1;
          do {
            pn = peek(i++);
          } while (pn.id === "(endline)");
          if (pn.id === ";") {
            p = pn;
          } else if (pn.value === "[" || pn.value === ".") {
            break;
          } else if (!state.option.asi || pn.value === "(") {
            warning("W033", state.tokens.next);
          }
        } else if (p.id === "." || p.id === "[") {
          break;
        } else if (p.id !== ";") {
          warning("W033", p);
        }
  
        advance();
        var directive = state.tokens.curr.value;
        if (state.directive[directive] ||
            (directive === "use strict" && state.option.strict === "implied")) {
          warning("W034", state.tokens.curr, directive);
        }
        state.directive[directive] = true;
  
        if (p.id === ";") {
          advance(";");
        }
      }
  
      if (state.isStrict()) {
        if (!state.option["(explicitNewcap)"]) {
          state.option.newcap = true;
        }
        state.option.undef = true;
      }
    }
    function block(ordinary, stmt, isfunc, isfatarrow, iscase) {
      var a,
        b = inblock,
        old_indent = indent,
        m,
        t,
        line,
        d;
  
      inblock = ordinary;
  
      t = state.tokens.next;
  
      var metrics = state.funct["(metrics)"];
      metrics.nestedBlockDepth += 1;
      metrics.verifyMaxNestedBlockDepthPerFunction();
  
      if (state.tokens.next.id === "{") {
        advance("{");
        state.funct["(scope)"].stack();
  
        line = state.tokens.curr.line;
        if (state.tokens.next.id !== "}") {
          indent += state.option.indent;
          while (!ordinary && state.tokens.next.from > indent) {
            indent += state.option.indent;
          }
  
          if (isfunc) {
            m = {};
            for (d in state.directive) {
              if (_.has(state.directive, d)) {
                m[d] = state.directive[d];
              }
            }
            directives();
  
            if (state.option.strict && state.funct["(context)"]["(global)"]) {
              if (!m["use strict"] && !state.isStrict()) {
                warning("E007");
              }
            }
          }
  
          a = statements();
  
          metrics.statementCount += a.length;
  
          indent -= state.option.indent;
        }
  
        advance("}", t);
  
        if (isfunc) {
          state.funct["(scope)"].validateParams();
          if (m) {
            state.directive = m;
          }
        }
  
        state.funct["(scope)"].unstack();
  
        indent = old_indent;
      } else if (!ordinary) {
        if (isfunc) {
          state.funct["(scope)"].stack();
  
          m = {};
          if (stmt && !isfatarrow && !state.inMoz()) {
            error("W118", state.tokens.curr, "function closure expressions");
          }
  
          if (!stmt) {
            for (d in state.directive) {
              if (_.has(state.directive, d)) {
                m[d] = state.directive[d];
              }
            }
          }
          expression(10);
  
          if (state.option.strict && state.funct["(context)"]["(global)"]) {
            if (!m["use strict"] && !state.isStrict()) {
              warning("E007");
            }
          }
  
          state.funct["(scope)"].unstack();
        } else {
          error("E021", state.tokens.next, "{", state.tokens.next.value);
        }
      } else {
        state.funct["(noblockscopedvar)"] = state.tokens.next.id !== "for";
        state.funct["(scope)"].stack();
  
        if (!stmt || state.option.curly) {
          warning("W116", state.tokens.next, "{", state.tokens.next.value);
        }
  
        state.tokens.next.inBracelessBlock = true;
        indent += state.option.indent;
        a = [statement()];
        indent -= state.option.indent;
  
        state.funct["(scope)"].unstack();
        delete state.funct["(noblockscopedvar)"];
      }
      switch (state.funct["(verb)"]) {
      case "break":
      case "continue":
      case "return":
      case "throw":
        if (iscase) {
          break;
        }
      default:
        state.funct["(verb)"] = null;
      }
  
      inblock = b;
      if (ordinary && state.option.noempty && (!a || a.length === 0)) {
        warning("W035", state.tokens.prev);
      }
      metrics.nestedBlockDepth -= 1;
      return a;
    }
  
  
    function countMember(m) {
      if (membersOnly && typeof membersOnly[m] !== "boolean") {
        warning("W036", state.tokens.curr, m);
      }
      if (typeof member[m] === "number") {
        member[m] += 1;
      } else {
        member[m] = 1;
      }
    }
  
    type("(number)", function() {
      return this;
    });
  
    type("(string)", function() {
      return this;
    });
  
    state.syntax["(identifier)"] = {
      type: "(identifier)",
      lbp: 0,
      identifier: true,
  
      nud: function() {
        var v = this.value;
        if (state.tokens.next.id === "=>") {
          return this;
        }
  
        if (!state.funct["(comparray)"].check(v)) {
          state.funct["(scope)"].block.use(v, state.tokens.curr);
        }
        return this;
      },
  
      led: function() {
        error("E033", state.tokens.next, state.tokens.next.value);
      }
    };
  
    var baseTemplateSyntax = {
      lbp: 0,
      identifier: false,
      template: true,
    };
    state.syntax["(template)"] = _.extend({
      type: "(template)",
      nud: doTemplateLiteral,
      led: doTemplateLiteral,
      noSubst: false
    }, baseTemplateSyntax);
  
    state.syntax["(template middle)"] = _.extend({
      type: "(template middle)",
      middle: true,
      noSubst: false
    }, baseTemplateSyntax);
  
    state.syntax["(template tail)"] = _.extend({
      type: "(template tail)",
      tail: true,
      noSubst: false
    }, baseTemplateSyntax);
  
    state.syntax["(no subst template)"] = _.extend({
      type: "(template)",
      nud: doTemplateLiteral,
      led: doTemplateLiteral,
      noSubst: true,
      tail: true // mark as tail, since it's always the last component
    }, baseTemplateSyntax);
  
    type("(regexp)", function() {
      return this;
    });
  
    delim("(endline)");
    delim("(begin)");
    delim("(end)").reach = true;
    delim("(error)").reach = true;
    delim("}").reach = true;
    delim(")");
    delim("]");
    delim("\"").reach = true;
    delim("'").reach = true;
    delim(";");
    delim(":").reach = true;
    delim("#");
  
    reserve("else");
    reserve("case").reach = true;
    reserve("catch");
    reserve("default").reach = true;
    reserve("finally");
    reservevar("arguments", function(x) {
      if (state.isStrict() && state.funct["(global)"]) {
        warning("E008", x);
      }
    });
    reservevar("eval");
    reservevar("false");
    reservevar("Infinity");
    reservevar("null");
    reservevar("this", function(x) {
      if (state.isStrict() && !isMethod() &&
          !state.option.validthis && ((state.funct["(statement)"] &&
          state.funct["(name)"].charAt(0) > "Z") || state.funct["(global)"])) {
        warning("W040", x);
      }
    });
    reservevar("true");
    reservevar("undefined");
  
    assignop("=", "assign", 20);
    assignop("+=", "assignadd", 20);
    assignop("-=", "assignsub", 20);
    assignop("*=", "assignmult", 20);
    assignop("/=", "assigndiv", 20).nud = function() {
      error("E014");
    };
    assignop("%=", "assignmod", 20);
  
    bitwiseassignop("&=");
    bitwiseassignop("|=");
    bitwiseassignop("^=");
    bitwiseassignop("<<=");
    bitwiseassignop(">>=");
    bitwiseassignop(">>>=");
    infix(",", function(left, that) {
      var expr;
      that.exprs = [left];
  
      if (state.option.nocomma) {
        warning("W127");
      }
  
      if (!comma({ peek: true })) {
        return that;
      }
      while (true) {
        if (!(expr = expression(10))) {
          break;
        }
        that.exprs.push(expr);
        if (state.tokens.next.value !== "," || !comma()) {
          break;
        }
      }
      return that;
    }, 10, true);
  
    infix("?", function(left, that) {
      increaseComplexityCount();
      that.left = left;
      that.right = expression(10);
      advance(":");
      that["else"] = expression(10);
      return that;
    }, 30);
  
    var orPrecendence = 40;
    infix("||", function(left, that) {
      increaseComplexityCount();
      that.left = left;
      that.right = expression(orPrecendence);
      return that;
    }, orPrecendence);
    infix("&&", "and", 50);
    bitwise("|", "bitor", 70);
    bitwise("^", "bitxor", 80);
    bitwise("&", "bitand", 90);
    relation("==", function(left, right) {
      var eqnull = state.option.eqnull &&
        ((left && left.value) === "null" || (right && right.value) === "null");
  
      switch (true) {
        case !eqnull && state.option.eqeqeq:
          this.from = this.character;
          warning("W116", this, "===", "==");
          break;
        case isPoorRelation(left):
          warning("W041", this, "===", left.value);
          break;
        case isPoorRelation(right):
          warning("W041", this, "===", right.value);
          break;
        case isTypoTypeof(right, left, state):
          warning("W122", this, right.value);
          break;
        case isTypoTypeof(left, right, state):
          warning("W122", this, left.value);
          break;
      }
  
      return this;
    });
    relation("===", function(left, right) {
      if (isTypoTypeof(right, left, state)) {
        warning("W122", this, right.value);
      } else if (isTypoTypeof(left, right, state)) {
        warning("W122", this, left.value);
      }
      return this;
    });
    relation("!=", function(left, right) {
      var eqnull = state.option.eqnull &&
          ((left && left.value) === "null" || (right && right.value) === "null");
  
      if (!eqnull && state.option.eqeqeq) {
        this.from = this.character;
        warning("W116", this, "!==", "!=");
      } else if (isPoorRelation(left)) {
        warning("W041", this, "!==", left.value);
      } else if (isPoorRelation(right)) {
        warning("W041", this, "!==", right.value);
      } else if (isTypoTypeof(right, left, state)) {
        warning("W122", this, right.value);
      } else if (isTypoTypeof(left, right, state)) {
        warning("W122", this, left.value);
      }
      return this;
    });
    relation("!==", function(left, right) {
      if (isTypoTypeof(right, left, state)) {
        warning("W122", this, right.value);
      } else if (isTypoTypeof(left, right, state)) {
        warning("W122", this, left.value);
      }
      return this;
    });
    relation("<");
    relation(">");
    relation("<=");
    relation(">=");
    bitwise("<<", "shiftleft", 120);
    bitwise(">>", "shiftright", 120);
    bitwise(">>>", "shiftrightunsigned", 120);
    infix("in", "in", 120);
    infix("instanceof", "instanceof", 120);
    infix("+", function(left, that) {
      var right;
      that.left = left;
      that.right = right = expression(130);
  
      if (left && right && left.id === "(string)" && right.id === "(string)") {
        left.value += right.value;
        left.character = right.character;
        if (!state.option.scripturl && reg.javascriptURL.test(left.value)) {
          warning("W050", left);
        }
        return left;
      }
  
      return that;
    }, 130);
    prefix("+", "num");
    prefix("+++", function() {
      warning("W007");
      this.arity = "unary";
      this.right = expression(150);
      return this;
    });
    infix("+++", function(left) {
      warning("W007");
      this.left = left;
      this.right = expression(130);
      return this;
    }, 130);
    infix("-", "sub", 130);
    prefix("-", "neg");
    prefix("---", function() {
      warning("W006");
      this.arity = "unary";
      this.right = expression(150);
      return this;
    });
    infix("---", function(left) {
      warning("W006");
      this.left = left;
      this.right = expression(130);
      return this;
    }, 130);
    infix("*", "mult", 140);
    infix("/", "div", 140);
    infix("%", "mod", 140);
  
    suffix("++");
    prefix("++", "preinc");
    state.syntax["++"].exps = true;
  
    suffix("--");
    prefix("--", "predec");
    state.syntax["--"].exps = true;
    prefix("delete", function() {
      var p = expression(10);
      if (!p) {
        return this;
      }
  
      if (p.id !== "." && p.id !== "[") {
        warning("W051");
      }
      this.first = p;
      if (p.identifier && !state.isStrict()) {
        p.forgiveUndef = true;
      }
      return this;
    }).exps = true;
  
    prefix("~", function() {
      if (state.option.bitwise) {
        warning("W016", this, "~");
      }
      this.arity = "unary";
      this.right = expression(150);
      return this;
    });
  
    prefix("...", function() {
      if (!state.inES6(true)) {
        warning("W119", this, "spread/rest operator", "6");
      }
      if (!state.tokens.next.identifier &&
          state.tokens.next.type !== "(string)" &&
            !checkPunctuators(state.tokens.next, ["[", "("])) {
  
        error("E030", state.tokens.next, state.tokens.next.value);
      }
      expression(150);
      return this;
    });
  
    prefix("!", function() {
      this.arity = "unary";
      this.right = expression(150);
  
      if (!this.right) { // '!' followed by nothing? Give up.
        quit("E041", this.line || 0);
      }
  
      if (bang[this.right.id] === true) {
        warning("W018", this, "!");
      }
      return this;
    });
  
    prefix("typeof", (function() {
      var p = expression(150);
      this.first = this.right = p;
  
      if (!p) { // 'typeof' followed by nothing? Give up.
        quit("E041", this.line || 0, this.character || 0);
      }
      if (p.identifier) {
        p.forgiveUndef = true;
      }
      return this;
    }));
    prefix("new", function() {
      var mp = metaProperty("target", function() {
        if (!state.inES6(true)) {
          warning("W119", state.tokens.prev, "new.target", "6");
        }
        var inFunction, c = state.funct;
        while (c) {
          inFunction = !c["(global)"];
          if (!c["(arrow)"]) { break; }
          c = c["(context)"];
        }
        if (!inFunction) {
          warning("W136", state.tokens.prev, "new.target");
        }
      });
      if (mp) { return mp; }
  
      var c = expression(155), i;
      if (c && c.id !== "function") {
        if (c.identifier) {
          c["new"] = true;
          switch (c.value) {
          case "Number":
          case "String":
          case "Boolean":
          case "Math":
          case "JSON":
            warning("W053", state.tokens.prev, c.value);
            break;
          case "Symbol":
            if (state.inES6()) {
              warning("W053", state.tokens.prev, c.value);
            }
            break;
          case "Function":
            if (!state.option.evil) {
              warning("W054");
            }
            break;
          case "Date":
          case "RegExp":
          case "this":
            break;
          default:
            if (c.id !== "function") {
              i = c.value.substr(0, 1);
              if (state.option.newcap && (i < "A" || i > "Z") &&
                !state.funct["(scope)"].isPredefined(c.value)) {
                warning("W055", state.tokens.curr);
              }
            }
          }
        } else {
          if (c.id !== "." && c.id !== "[" && c.id !== "(") {
            warning("W056", state.tokens.curr);
          }
        }
      } else {
        if (!state.option.supernew)
          warning("W057", this);
      }
      if (state.tokens.next.id !== "(" && !state.option.supernew) {
        warning("W058", state.tokens.curr, state.tokens.curr.value);
      }
      this.first = this.right = c;
      return this;
    });
    state.syntax["new"].exps = true;
  
    prefix("void").exps = true;
  
    infix(".", function(left, that) {
      var m = identifier(false, true);
  
      if (typeof m === "string") {
        countMember(m);
      }
  
      that.left = left;
      that.right = m;
  
      if (m && m === "hasOwnProperty" && state.tokens.next.value === "=") {
        warning("W001");
      }
  
      if (left && left.value === "arguments" && (m === "callee" || m === "caller")) {
        if (state.option.noarg)
          warning("W059", left, m);
        else if (state.isStrict())
          error("E008");
      } else if (!state.option.evil && left && left.value === "document" &&
          (m === "write" || m === "writeln")) {
        warning("W060", left);
      }
  
      if (!state.option.evil && (m === "eval" || m === "execScript")) {
        if (isGlobalEval(left, state)) {
          warning("W061");
        }
      }
  
      return that;
    }, 160, true);
  
    infix("(", function(left, that) {
      if (state.option.immed && left && !left.immed && left.id === "function") {
        warning("W062");
      }
  
      var n = 0;
      var p = [];
  
      if (left) {
        if (left.type === "(identifier)") {
          if (left.value.match(/^[A-Z]([A-Z0-9_$]*[a-z][A-Za-z0-9_$]*)?$/)) {
            if ("Array Number String Boolean Date Object Error Symbol".indexOf(left.value) === -1) {
              if (left.value === "Math") {
                warning("W063", left);
              } else if (state.option.newcap) {
                warning("W064", left);
              }
            }
          }
        }
      }
  
      if (state.tokens.next.id !== ")") {
        for (;;) {
          p[p.length] = expression(10);
          n += 1;
          if (state.tokens.next.id !== ",") {
            break;
          }
          comma();
        }
      }
  
      advance(")");
  
      if (typeof left === "object") {
        if (!state.inES5() && left.value === "parseInt" && n === 1) {
          warning("W065", state.tokens.curr);
        }
        if (!state.option.evil) {
          if (left.value === "eval" || left.value === "Function" ||
              left.value === "execScript") {
            warning("W061", left);
  
            if (p[0] && [0].id === "(string)") {
              addInternalSrc(left, p[0].value);
            }
          } else if (p[0] && p[0].id === "(string)" &&
              (left.value === "setTimeout" ||
              left.value === "setInterval")) {
            warning("W066", left);
            addInternalSrc(left, p[0].value);
          } else if (p[0] && p[0].id === "(string)" &&
              left.value === "." &&
              left.left.value === "window" &&
              (left.right === "setTimeout" ||
              left.right === "setInterval")) {
            warning("W066", left);
            addInternalSrc(left, p[0].value);
          }
        }
        if (!left.identifier && left.id !== "." && left.id !== "[" && left.id !== "=>" &&
            left.id !== "(" && left.id !== "&&" && left.id !== "||" && left.id !== "?" &&
            !(state.inES6() && left["(name)"])) {
          warning("W067", that);
        }
      }
  
      that.left = left;
      return that;
    }, 155, true).exps = true;
  
    prefix("(", function() {
      var pn = state.tokens.next, pn1, i = -1;
      var ret, triggerFnExpr, first, last;
      var parens = 1;
      var opening = state.tokens.curr;
      var preceeding = state.tokens.prev;
      var isNecessary = !state.option.singleGroups;
  
      do {
        if (pn.value === "(") {
          parens += 1;
        } else if (pn.value === ")") {
          parens -= 1;
        }
  
        i += 1;
        pn1 = pn;
        pn = peek(i);
      } while (!(parens === 0 && pn1.value === ")") && pn.value !== ";" && pn.type !== "(end)");
  
      if (state.tokens.next.id === "function") {
        triggerFnExpr = state.tokens.next.immed = true;
      }
      if (pn.value === "=>") {
        return doFunction({ type: "arrow", parsedOpening: true });
      }
  
      var exprs = [];
  
      if (state.tokens.next.id !== ")") {
        for (;;) {
          exprs.push(expression(10));
  
          if (state.tokens.next.id !== ",") {
            break;
          }
  
          if (state.option.nocomma) {
            warning("W127");
          }
  
          comma();
        }
      }
  
      advance(")", this);
      if (state.option.immed && exprs[0] && exprs[0].id === "function") {
        if (state.tokens.next.id !== "(" &&
          state.tokens.next.id !== "." && state.tokens.next.id !== "[") {
          warning("W068", this);
        }
      }
  
      if (!exprs.length) {
        return;
      }
      if (exprs.length > 1) {
        ret = Object.create(state.syntax[","]);
        ret.exprs = exprs;
  
        first = exprs[0];
        last = exprs[exprs.length - 1];
  
        if (!isNecessary) {
          isNecessary = preceeding.assign || preceeding.delim;
        }
      } else {
        ret = first = last = exprs[0];
  
        if (!isNecessary) {
          isNecessary =
            (opening.beginsStmt && (ret.id === "{" || triggerFnExpr || isFunctor(ret))) ||
            (triggerFnExpr &&
              (!isEndOfExpr() || state.tokens.prev.id !== "}")) ||
            (isFunctor(ret) && !isEndOfExpr()) ||
            (ret.id === "{" && preceeding.id === "=>") ||
            (ret.type === "(number)" &&
              checkPunctuator(pn, ".") && /^\d+$/.test(ret.value));
        }
      }
  
      if (ret) {
        if (!isNecessary && (first.left || first.right || ret.exprs)) {
          isNecessary =
            (!isBeginOfExpr(preceeding) && first.lbp <= preceeding.lbp) ||
            (!isEndOfExpr() && last.lbp < state.tokens.next.lbp);
        }
  
        if (!isNecessary) {
          warning("W126", opening);
        }
  
        ret.paren = true;
      }
  
      return ret;
    });
  
    application("=>");
  
    infix("[", function(left, that) {
      var e = expression(10), s;
      if (e && e.type === "(string)") {
        if (!state.option.evil && (e.value === "eval" || e.value === "execScript")) {
          if (isGlobalEval(left, state)) {
            warning("W061");
          }
        }
  
        countMember(e.value);
        if (!state.option.sub && reg.identifier.test(e.value)) {
          s = state.syntax[e.value];
          if (!s || !isReserved(s)) {
            warning("W069", state.tokens.prev, e.value);
          }
        }
      }
      advance("]", that);
  
      if (e && e.value === "hasOwnProperty" && state.tokens.next.value === "=") {
        warning("W001");
      }
  
      that.left = left;
      that.right = e;
      return that;
    }, 160, true);
  
    function comprehensiveArrayExpression() {
      var res = {};
      res.exps = true;
      state.funct["(comparray)"].stack();
      var reversed = false;
      if (state.tokens.next.value !== "for") {
        reversed = true;
        if (!state.inMoz()) {
          warning("W116", state.tokens.next, "for", state.tokens.next.value);
        }
        state.funct["(comparray)"].setState("use");
        res.right = expression(10);
      }
  
      advance("for");
      if (state.tokens.next.value === "each") {
        advance("each");
        if (!state.inMoz()) {
          warning("W118", state.tokens.curr, "for each");
        }
      }
      advance("(");
      state.funct["(comparray)"].setState("define");
      res.left = expression(130);
      if (_.contains(["in", "of"], state.tokens.next.value)) {
        advance();
      } else {
        error("E045", state.tokens.curr);
      }
      state.funct["(comparray)"].setState("generate");
      expression(10);
  
      advance(")");
      if (state.tokens.next.value === "if") {
        advance("if");
        advance("(");
        state.funct["(comparray)"].setState("filter");
        res.filter = expression(10);
        advance(")");
      }
  
      if (!reversed) {
        state.funct["(comparray)"].setState("use");
        res.right = expression(10);
      }
  
      advance("]");
      state.funct["(comparray)"].unstack();
      return res;
    }
  
    prefix("[", function() {
      var blocktype = lookupBlockType();
      if (blocktype.isCompArray) {
        if (!state.option.esnext && !state.inMoz()) {
          warning("W118", state.tokens.curr, "array comprehension");
        }
        return comprehensiveArrayExpression();
      } else if (blocktype.isDestAssign) {
        this.destructAssign = destructuringPattern({ openingParsed: true, assignment: true });
        return this;
      }
      var b = state.tokens.curr.line !== startLine(state.tokens.next);
      this.first = [];
      if (b) {
        indent += state.option.indent;
        if (state.tokens.next.from === indent + state.option.indent) {
          indent += state.option.indent;
        }
      }
      while (state.tokens.next.id !== "(end)") {
        while (state.tokens.next.id === ",") {
          if (!state.option.elision) {
            if (!state.inES5()) {
              warning("W070");
            } else {
              warning("W128");
              do {
                advance(",");
              } while (state.tokens.next.id === ",");
              continue;
            }
          }
          advance(",");
        }
  
        if (state.tokens.next.id === "]") {
          break;
        }
  
        this.first.push(expression(10));
        if (state.tokens.next.id === ",") {
          comma({ allowTrailing: true });
          if (state.tokens.next.id === "]" && !state.inES5()) {
            warning("W070", state.tokens.curr);
            break;
          }
        } else {
          break;
        }
      }
      if (b) {
        indent -= state.option.indent;
      }
      advance("]", this);
      return this;
    });
  
  
    function isMethod() {
      return state.funct["(statement)"] && state.funct["(statement)"].type === "class" ||
            state.funct["(context)"] && state.funct["(context)"]["(verb)"] === "class";
    }
  
  
    function isPropertyName(token) {
      return token.identifier || token.id === "(string)" || token.id === "(number)";
    }
  
  
    function propertyName(preserveOrToken) {
      var id;
      var preserve = true;
      if (typeof preserveOrToken === "object") {
        id = preserveOrToken;
      } else {
        preserve = preserveOrToken;
        id = optionalidentifier(false, true, preserve);
      }
  
      if (!id) {
        if (state.tokens.next.id === "(string)") {
          id = state.tokens.next.value;
          if (!preserve) {
            advance();
          }
        } else if (state.tokens.next.id === "(number)") {
          id = state.tokens.next.value.toString();
          if (!preserve) {
            advance();
          }
        }
      } else if (typeof id === "object") {
        if (id.id === "(string)" || id.id === "(identifier)") id = id.value;
        else if (id.id === "(number)") id = id.value.toString();
      }
  
      if (id === "hasOwnProperty") {
        warning("W001");
      }
  
      return id;
    }
    function functionparams(options) {
      var next;
      var paramsIds = [];
      var ident;
      var tokens = [];
      var t;
      var pastDefault = false;
      var pastRest = false;
      var arity = 0;
      var loneArg = options && options.loneArg;
  
      if (loneArg && loneArg.identifier === true) {
        state.funct["(scope)"].addParam(loneArg.value, loneArg);
        return { arity: 1, params: [ loneArg.value ] };
      }
  
      next = state.tokens.next;
  
      if (!options || !options.parsedOpening) {
        advance("(");
      }
  
      if (state.tokens.next.id === ")") {
        advance(")");
        return;
      }
  
      function addParam(addParamArgs) {
        state.funct["(scope)"].addParam.apply(state.funct["(scope)"], addParamArgs);
      }
  
      for (;;) {
        arity++;
        var currentParams = [];
  
        if (_.contains(["{", "["], state.tokens.next.id)) {
          tokens = destructuringPattern();
          for (t in tokens) {
            t = tokens[t];
            if (t.id) {
              paramsIds.push(t.id);
              currentParams.push([t.id, t.token]);
            }
          }
        } else {
          if (checkPunctuator(state.tokens.next, "...")) pastRest = true;
          ident = identifier(true);
          if (ident) {
            paramsIds.push(ident);
            currentParams.push([ident, state.tokens.curr]);
          } else {
            while (!checkPunctuators(state.tokens.next, [",", ")"])) advance();
          }
        }
        if (pastDefault) {
          if (state.tokens.next.id !== "=") {
            error("W138", state.tokens.current);
          }
        }
        if (state.tokens.next.id === "=") {
          if (!state.inES6()) {
            warning("W119", state.tokens.next, "default parameters", "6");
          }
          advance("=");
          pastDefault = true;
          expression(10);
        }
        currentParams.forEach(addParam);
  
        if (state.tokens.next.id === ",") {
          if (pastRest) {
            warning("W131", state.tokens.next);
          }
          comma();
        } else {
          advance(")", next);
          return { arity: arity, params: paramsIds };
        }
      }
    }
  
    function functor(name, token, overwrites) {
      var funct = {
        "(name)"      : name,
        "(breakage)"  : 0,
        "(loopage)"   : 0,
        "(tokens)"    : {},
        "(properties)": {},
  
        "(catch)"     : false,
        "(global)"    : false,
  
        "(line)"      : null,
        "(character)" : null,
        "(metrics)"   : null,
        "(statement)" : null,
        "(context)"   : null,
        "(scope)"     : null,
        "(comparray)" : null,
        "(generator)" : null,
        "(arrow)"     : null,
        "(params)"    : null
      };
  
      if (token) {
        _.extend(funct, {
          "(line)"     : token.line,
          "(character)": token.character,
          "(metrics)"  : createMetrics(token)
        });
      }
  
      _.extend(funct, overwrites);
  
      if (funct["(context)"]) {
        funct["(scope)"] = funct["(context)"]["(scope)"];
        funct["(comparray)"]  = funct["(context)"]["(comparray)"];
      }
  
      return funct;
    }
  
    function isFunctor(token) {
      return "(scope)" in token;
    }
    function hasParsedCode(funct) {
      return funct["(global)"] && !funct["(verb)"];
    }
  
    function doTemplateLiteral(left) {
      var ctx = this.context;
      var noSubst = this.noSubst;
      var depth = this.depth;
  
      if (!noSubst) {
        while (!end()) {
          if (!state.tokens.next.template || state.tokens.next.depth > depth) {
            expression(0); // should probably have different rbp?
          } else {
            advance();
          }
        }
      }
  
      return {
        id: "(template)",
        type: "(template)",
        tag: left
      };
  
      function end() {
        if (state.tokens.curr.template && state.tokens.curr.tail &&
            state.tokens.curr.context === ctx) return true;
        var complete = (state.tokens.next.template && state.tokens.next.tail &&
                        state.tokens.next.context === ctx);
        if (complete) advance();
        return complete || state.tokens.next.isUnclosed;
      }
    }
    function doFunction(options) {
      var f, token, name, statement, classExprBinding, isGenerator, isArrow, ignoreLoopFunc;
      var oldOption = state.option;
      var oldIgnored = state.ignored;
  
      if (options) {
        name = options.name;
        statement = options.statement;
        classExprBinding = options.classExprBinding;
        isGenerator = options.type === "generator";
        isArrow = options.type === "arrow";
        ignoreLoopFunc = options.ignoreLoopFunc;
      }
  
      state.option = Object.create(state.option);
      state.ignored = Object.create(state.ignored);
  
      state.funct = functor(name || state.nameStack.infer(), state.tokens.next, {
        "(statement)": statement,
        "(context)":   state.funct,
        "(arrow)":     isArrow,
        "(generator)": isGenerator
      });
  
      f = state.funct;
      token = state.tokens.curr;
      token.funct = state.funct;
  
      functions.push(state.funct);
      state.funct["(scope)"].stack("functionouter");
      var internallyAccessibleName = name || classExprBinding;
      if (internallyAccessibleName) {
        state.funct["(scope)"].block.add(internallyAccessibleName,
          classExprBinding ? "class" : "function", state.tokens.curr, false);
      }
      state.funct["(scope)"].stack("functionparams");
  
      var paramsInfo = functionparams(options);
  
      if (paramsInfo) {
        state.funct["(params)"] = paramsInfo.params;
        state.funct["(metrics)"].arity = paramsInfo.arity;
        state.funct["(metrics)"].verifyMaxParametersPerFunction();
      } else {
        state.funct["(metrics)"].arity = 0;
      }
  
      if (isArrow) {
        if (!state.inES6(true)) {
          warning("W119", state.tokens.curr, "arrow function syntax (=>)", "6");
        }
  
        if (!options.loneArg) {
          advance("=>");
        }
      }
  
      block(false, true, true, isArrow);
  
      if (!state.option.noyield && isGenerator &&
          state.funct["(generator)"] !== "yielded") {
        warning("W124", state.tokens.curr);
      }
  
      state.funct["(metrics)"].verifyMaxStatementsPerFunction();
      state.funct["(metrics)"].verifyMaxComplexityPerFunction();
      state.funct["(unusedOption)"] = state.option.unused;
      state.option = oldOption;
      state.ignored = oldIgnored;
      state.funct["(last)"] = state.tokens.curr.line;
      state.funct["(lastcharacter)"] = state.tokens.curr.character;
      state.funct["(scope)"].unstack(); // also does usage and label checks
      state.funct["(scope)"].unstack();
  
      state.funct = state.funct["(context)"];
  
      if (!ignoreLoopFunc && !state.option.loopfunc && state.funct["(loopage)"]) {
        if (f["(isCapturing)"]) {
          warning("W083", token);
        }
      }
  
      return f;
    }
  
    function createMetrics(functionStartToken) {
      return {
        statementCount: 0,
        nestedBlockDepth: -1,
        ComplexityCount: 1,
        arity: 0,
  
        verifyMaxStatementsPerFunction: function() {
          if (state.option.maxstatements &&
            this.statementCount > state.option.maxstatements) {
            warning("W071", functionStartToken, this.statementCount);
          }
        },
  
        verifyMaxParametersPerFunction: function() {
          if (_.isNumber(state.option.maxparams) &&
            this.arity > state.option.maxparams) {
            warning("W072", functionStartToken, this.arity);
          }
        },
  
        verifyMaxNestedBlockDepthPerFunction: function() {
          if (state.option.maxdepth &&
            this.nestedBlockDepth > 0 &&
            this.nestedBlockDepth === state.option.maxdepth + 1) {
            warning("W073", null, this.nestedBlockDepth);
          }
        },
  
        verifyMaxComplexityPerFunction: function() {
          var max = state.option.maxcomplexity;
          var cc = this.ComplexityCount;
          if (max && cc > max) {
            warning("W074", functionStartToken, cc);
          }
        }
      };
    }
  
    function increaseComplexityCount() {
      state.funct["(metrics)"].ComplexityCount += 1;
    }
  
    function checkCondAssignment(expr) {
      var id, paren;
      if (expr) {
        id = expr.id;
        paren = expr.paren;
        if (id === "," && (expr = expr.exprs[expr.exprs.length - 1])) {
          id = expr.id;
          paren = paren || expr.paren;
        }
      }
      switch (id) {
      case "=":
      case "+=":
      case "-=":
      case "*=":
      case "%=":
      case "&=":
      case "|=":
      case "^=":
      case "/=":
        if (!paren && !state.option.boss) {
          warning("W084");
        }
      }
    }
    function checkProperties(props) {
      if (state.inES5()) {
        for (var name in props) {
          if (props[name] && props[name].setterToken && !props[name].getterToken) {
            warning("W078", props[name].setterToken);
          }
        }
      }
    }
  
    function metaProperty(name, c) {
      if (checkPunctuator(state.tokens.next, ".")) {
        var left = state.tokens.curr.id;
        advance(".");
        var id = identifier();
        state.tokens.curr.isMetaProperty = true;
        if (name !== id) {
          error("E057", state.tokens.prev, left, id);
        } else {
          c();
        }
        return state.tokens.curr;
      }
    }
  
    (function(x) {
      x.nud = function() {
        var b, f, i, p, t, isGeneratorMethod = false, nextVal;
        var props = Object.create(null); // All properties, including accessors
  
        b = state.tokens.curr.line !== startLine(state.tokens.next);
        if (b) {
          indent += state.option.indent;
          if (state.tokens.next.from === indent + state.option.indent) {
            indent += state.option.indent;
          }
        }
  
        var blocktype = lookupBlockType();
        if (blocktype.isDestAssign) {
          this.destructAssign = destructuringPattern({ openingParsed: true, assignment: true });
          return this;
        }
  
        for (;;) {
          if (state.tokens.next.id === "}") {
            break;
          }
  
          nextVal = state.tokens.next.value;
          if (state.tokens.next.identifier &&
              (peekIgnoreEOL().id === "," || peekIgnoreEOL().id === "}")) {
            if (!state.inES6()) {
              warning("W104", state.tokens.next, "object short notation", "6");
            }
            i = propertyName(true);
            saveProperty(props, i, state.tokens.next);
  
            expression(10);
  
          } else if (peek().id !== ":" && (nextVal === "get" || nextVal === "set")) {
            advance(nextVal);
  
            if (!state.inES5()) {
              error("E034");
            }
  
            i = propertyName();
            if (!i && !state.inES6()) {
              error("E035");
            }
            if (i) {
              saveAccessor(nextVal, props, i, state.tokens.curr);
            }
  
            t = state.tokens.next;
            f = doFunction();
            p = f["(params)"];
            if (nextVal === "get" && i && p) {
              warning("W076", t, p[0], i);
            } else if (nextVal === "set" && i && (!p || p.length !== 1)) {
              warning("W077", t, i);
            }
          } else {
            if (state.tokens.next.value === "*" && state.tokens.next.type === "(punctuator)") {
              if (!state.inES6()) {
                warning("W104", state.tokens.next, "generator functions", "6");
              }
              advance("*");
              isGeneratorMethod = true;
            } else {
              isGeneratorMethod = false;
            }
  
            if (state.tokens.next.id === "[") {
              i = computedPropertyName();
              state.nameStack.set(i);
            } else {
              state.nameStack.set(state.tokens.next);
              i = propertyName();
              saveProperty(props, i, state.tokens.next);
  
              if (typeof i !== "string") {
                break;
              }
            }
  
            if (state.tokens.next.value === "(") {
              if (!state.inES6()) {
                warning("W104", state.tokens.curr, "concise methods", "6");
              }
              doFunction({ type: isGeneratorMethod ? "generator" : null });
            } else {
              advance(":");
              expression(10);
            }
          }
  
          countMember(i);
  
          if (state.tokens.next.id === ",") {
            comma({ allowTrailing: true, property: true });
            if (state.tokens.next.id === ",") {
              warning("W070", state.tokens.curr);
            } else if (state.tokens.next.id === "}" && !state.inES5()) {
              warning("W070", state.tokens.curr);
            }
          } else {
            break;
          }
        }
        if (b) {
          indent -= state.option.indent;
        }
        advance("}", this);
  
        checkProperties(props);
  
        return this;
      };
      x.fud = function() {
        error("E036", state.tokens.curr);
      };
    }(delim("{")));
  
    function destructuringPattern(options) {
      var isAssignment = options && options.assignment;
  
      if (!state.inES6()) {
        warning("W104", state.tokens.curr,
          isAssignment ? "destructuring assignment" : "destructuring binding", "6");
      }
  
      return destructuringPatternRecursive(options);
    }
  
    function destructuringPatternRecursive(options) {
      var ids;
      var identifiers = [];
      var openingParsed = options && options.openingParsed;
      var isAssignment = options && options.assignment;
      var recursiveOptions = isAssignment ? { assignment: isAssignment } : null;
      var firstToken = openingParsed ? state.tokens.curr : state.tokens.next;
  
      var nextInnerDE = function() {
        var ident;
        if (checkPunctuators(state.tokens.next, ["[", "{"])) {
          ids = destructuringPatternRecursive(recursiveOptions);
          for (var id in ids) {
            id = ids[id];
            identifiers.push({ id: id.id, token: id.token });
          }
        } else if (checkPunctuator(state.tokens.next, ",")) {
          identifiers.push({ id: null, token: state.tokens.curr });
        } else if (checkPunctuator(state.tokens.next, "(")) {
          advance("(");
          nextInnerDE();
          advance(")");
        } else {
          var is_rest = checkPunctuator(state.tokens.next, "...");
  
          if (isAssignment) {
            var identifierToken = is_rest ? peek(0) : state.tokens.next;
            if (!identifierToken.identifier) {
              warning("E030", identifierToken, identifierToken.value);
            }
            var assignTarget = expression(155);
            if (assignTarget) {
              checkLeftSideAssign(assignTarget);
              if (assignTarget.identifier) {
                ident = assignTarget.value;
              }
            }
          } else {
            ident = identifier();
          }
          if (ident) {
            identifiers.push({ id: ident, token: state.tokens.curr });
          }
          return is_rest;
        }
        return false;
      };
      var assignmentProperty = function() {
        var id;
        if (checkPunctuator(state.tokens.next, "[")) {
          advance("[");
          expression(10);
          advance("]");
          advance(":");
          nextInnerDE();
        } else if (state.tokens.next.id === "(string)" ||
                  state.tokens.next.id === "(number)") {
          advance();
          advance(":");
          nextInnerDE();
        } else {
          id = identifier();
          if (checkPunctuator(state.tokens.next, ":")) {
            advance(":");
            nextInnerDE();
          } else if (id) {
            if (isAssignment) {
              checkLeftSideAssign(state.tokens.curr);
            }
            identifiers.push({ id: id, token: state.tokens.curr });
          }
        }
      };
      if (checkPunctuator(firstToken, "[")) {
        if (!openingParsed) {
          advance("[");
        }
        if (checkPunctuator(state.tokens.next, "]")) {
          warning("W137", state.tokens.curr);
        }
        var element_after_rest = false;
        while (!checkPunctuator(state.tokens.next, "]")) {
          if (nextInnerDE() && !element_after_rest &&
              checkPunctuator(state.tokens.next, ",")) {
            warning("W130", state.tokens.next);
            element_after_rest = true;
          }
          if (checkPunctuator(state.tokens.next, "=")) {
            if (checkPunctuator(state.tokens.prev, "...")) {
              advance("]");
            } else {
              advance("=");
            }
            if (state.tokens.next.id === "undefined") {
              warning("W080", state.tokens.prev, state.tokens.prev.value);
            }
            expression(10);
          }
          if (!checkPunctuator(state.tokens.next, "]")) {
            advance(",");
          }
        }
        advance("]");
      } else if (checkPunctuator(firstToken, "{")) {
  
        if (!openingParsed) {
          advance("{");
        }
        if (checkPunctuator(state.tokens.next, "}")) {
          warning("W137", state.tokens.curr);
        }
        while (!checkPunctuator(state.tokens.next, "}")) {
          assignmentProperty();
          if (checkPunctuator(state.tokens.next, "=")) {
            advance("=");
            if (state.tokens.next.id === "undefined") {
              warning("W080", state.tokens.prev, state.tokens.prev.value);
            }
            expression(10);
          }
          if (!checkPunctuator(state.tokens.next, "}")) {
            advance(",");
            if (checkPunctuator(state.tokens.next, "}")) {
              break;
            }
          }
        }
        advance("}");
      }
      return identifiers;
    }
  
    function destructuringPatternMatch(tokens, value) {
      var first = value.first;
  
      if (!first)
        return;
  
      _.zip(tokens, Array.isArray(first) ? first : [ first ]).forEach(function(val) {
        var token = val[0];
        var value = val[1];
  
        if (token && value)
          token.first = value;
        else if (token && token.first && !value)
          warning("W080", token.first, token.first.value);
      });
    }
  
    function blockVariableStatement(type, statement, context) {
  
      var prefix = context && context.prefix;
      var inexport = context && context.inexport;
      var isLet = type === "let";
      var isConst = type === "const";
      var tokens, lone, value, letblock;
  
      if (!state.inES6()) {
        warning("W104", state.tokens.curr, type, "6");
      }
  
      if (isLet && state.tokens.next.value === "(") {
        if (!state.inMoz()) {
          warning("W118", state.tokens.next, "let block");
        }
        advance("(");
        state.funct["(scope)"].stack();
        letblock = true;
      } else if (state.funct["(noblockscopedvar)"]) {
        error("E048", state.tokens.curr, isConst ? "Const" : "Let");
      }
  
      statement.first = [];
      for (;;) {
        var names = [];
        if (_.contains(["{", "["], state.tokens.next.value)) {
          tokens = destructuringPattern();
          lone = false;
        } else {
          tokens = [ { id: identifier(), token: state.tokens.curr } ];
          lone = true;
        }
  
        if (!prefix && isConst && state.tokens.next.id !== "=") {
          warning("E012", state.tokens.curr, state.tokens.curr.value);
        }
  
        for (var t in tokens) {
          if (tokens.hasOwnProperty(t)) {
            t = tokens[t];
            if (state.funct["(scope)"].block.isGlobal()) {
              if (predefined[t.id] === false) {
                warning("W079", t.token, t.id);
              }
            }
            if (t.id && !state.funct["(noblockscopedvar)"]) {
              state.funct["(scope)"].addlabel(t.id, {
                type: type,
                token: t.token });
              names.push(t.token);
  
              if (lone && inexport) {
                state.funct["(scope)"].setExported(t.token.value, t.token);
              }
            }
          }
        }
  
        if (state.tokens.next.id === "=") {
          advance("=");
          if (!prefix && state.tokens.next.id === "undefined") {
            warning("W080", state.tokens.prev, state.tokens.prev.value);
          }
          if (!prefix && peek(0).id === "=" && state.tokens.next.identifier) {
            warning("W120", state.tokens.next, state.tokens.next.value);
          }
          value = expression(prefix ? 120 : 10);
          if (lone) {
            tokens[0].first = value;
          } else {
            destructuringPatternMatch(names, value);
          }
        }
  
        statement.first = statement.first.concat(names);
  
        if (state.tokens.next.id !== ",") {
          break;
        }
        comma();
      }
      if (letblock) {
        advance(")");
        block(true, true);
        statement.block = true;
        state.funct["(scope)"].unstack();
      }
  
      return statement;
    }
  
    var conststatement = stmt("const", function(context) {
      return blockVariableStatement("const", this, context);
    });
    conststatement.exps = true;
  
    var letstatement = stmt("let", function(context) {
      return blockVariableStatement("let", this, context);
    });
    letstatement.exps = true;
  
    var varstatement = stmt("var", function(context) {
      var prefix = context && context.prefix;
      var inexport = context && context.inexport;
      var tokens, lone, value;
      var implied = context && context.implied;
      var report = !(context && context.ignore);
  
      this.first = [];
      for (;;) {
        var names = [];
        if (_.contains(["{", "["], state.tokens.next.value)) {
          tokens = destructuringPattern();
          lone = false;
        } else {
          tokens = [ { id: identifier(), token: state.tokens.curr } ];
          lone = true;
        }
  
        if (!(prefix && implied) && report && state.option.varstmt) {
          warning("W132", this);
        }
  
        this.first = this.first.concat(names);
  
        for (var t in tokens) {
          if (tokens.hasOwnProperty(t)) {
            t = tokens[t];
            if (!implied && state.funct["(global)"]) {
              if (predefined[t.id] === false) {
                warning("W079", t.token, t.id);
              } else if (state.option.futurehostile === false) {
                if ((!state.inES5() && vars.ecmaIdentifiers[5][t.id] === false) ||
                  (!state.inES6() && vars.ecmaIdentifiers[6][t.id] === false)) {
                  warning("W129", t.token, t.id);
                }
              }
            }
            if (t.id) {
              if (implied === "for") {
  
                if (!state.funct["(scope)"].has(t.id)) {
                  if (report) warning("W088", t.token, t.id);
                }
                state.funct["(scope)"].block.use(t.id, t.token);
              } else {
                state.funct["(scope)"].addlabel(t.id, {
                  type: "var",
                  token: t.token });
  
                if (lone && inexport) {
                  state.funct["(scope)"].setExported(t.id, t.token);
                }
              }
              names.push(t.token);
            }
          }
        }
  
        if (state.tokens.next.id === "=") {
          state.nameStack.set(state.tokens.curr);
  
          advance("=");
          if (!prefix && report && !state.funct["(loopage)"] &&
            state.tokens.next.id === "undefined") {
            warning("W080", state.tokens.prev, state.tokens.prev.value);
          }
          if (peek(0).id === "=" && state.tokens.next.identifier) {
            if (!prefix && report &&
                !state.funct["(params)"] ||
                state.funct["(params)"].indexOf(state.tokens.next.value) === -1) {
              warning("W120", state.tokens.next, state.tokens.next.value);
            }
          }
          value = expression(prefix ? 120 : 10);
          if (lone) {
            tokens[0].first = value;
          } else {
            destructuringPatternMatch(names, value);
          }
        }
  
        if (state.tokens.next.id !== ",") {
          break;
        }
        comma();
      }
  
      return this;
    });
    varstatement.exps = true;
  
    blockstmt("class", function() {
      return classdef.call(this, true);
    });
  
    function classdef(isStatement) {
      if (!state.inES6()) {
        warning("W104", state.tokens.curr, "class", "6");
      }
      if (isStatement) {
        this.name = identifier();
  
        state.funct["(scope)"].addlabel(this.name, {
          type: "class",
          token: state.tokens.curr });
      } else if (state.tokens.next.identifier && state.tokens.next.value !== "extends") {
        this.name = identifier();
        this.namedExpr = true;
      } else {
        this.name = state.nameStack.infer();
      }
      classtail(this);
      return this;
    }
  
    function classtail(c) {
      var wasInClassBody = state.inClassBody;
      if (state.tokens.next.value === "extends") {
        advance("extends");
        c.heritage = expression(10);
      }
  
      state.inClassBody = true;
      advance("{");
      c.body = classbody(c);
      advance("}");
      state.inClassBody = wasInClassBody;
    }
  
    function classbody(c) {
      var name;
      var isStatic;
      var isGenerator;
      var getset;
      var props = Object.create(null);
      var staticProps = Object.create(null);
      var computed;
      for (var i = 0; state.tokens.next.id !== "}"; ++i) {
        name = state.tokens.next;
        isStatic = false;
        isGenerator = false;
        getset = null;
        if (name.id === ";") {
          warning("W032");
          advance(";");
          continue;
        }
  
        if (name.id === "*") {
          isGenerator = true;
          advance("*");
          name = state.tokens.next;
        }
        if (name.id === "[") {
          name = computedPropertyName();
          computed = true;
        } else if (isPropertyName(name)) {
          advance();
          computed = false;
          if (name.identifier && name.value === "static") {
            if (checkPunctuator(state.tokens.next, "*")) {
              isGenerator = true;
              advance("*");
            }
            if (isPropertyName(state.tokens.next) || state.tokens.next.id === "[") {
              computed = state.tokens.next.id === "[";
              isStatic = true;
              name = state.tokens.next;
              if (state.tokens.next.id === "[") {
                name = computedPropertyName();
              } else advance();
            }
          }
  
          if (name.identifier && (name.value === "get" || name.value === "set")) {
            if (isPropertyName(state.tokens.next) || state.tokens.next.id === "[") {
              computed = state.tokens.next.id === "[";
              getset = name;
              name = state.tokens.next;
              if (state.tokens.next.id === "[") {
                name = computedPropertyName();
              } else advance();
            }
          }
        } else {
          warning("W052", state.tokens.next, state.tokens.next.value || state.tokens.next.type);
          advance();
          continue;
        }
  
        if (!checkPunctuator(state.tokens.next, "(")) {
          error("E054", state.tokens.next, state.tokens.next.value);
          while (state.tokens.next.id !== "}" &&
                !checkPunctuator(state.tokens.next, "(")) {
            advance();
          }
          if (state.tokens.next.value !== "(") {
            doFunction({ statement: c });
          }
        }
  
        if (!computed) {
          if (getset) {
            saveAccessor(
              getset.value, isStatic ? staticProps : props, name.value, name, true, isStatic);
          } else {
            if (name.value === "constructor") {
              state.nameStack.set(c);
            } else {
              state.nameStack.set(name);
            }
            saveProperty(isStatic ? staticProps : props, name.value, name, true, isStatic);
          }
        }
  
        if (getset && name.value === "constructor") {
          var propDesc = getset.value === "get" ? "class getter method" : "class setter method";
          error("E049", name, propDesc, "constructor");
        } else if (name.value === "prototype") {
          error("E049", name, "class method", "prototype");
        }
  
        propertyName(name);
  
        doFunction({
          statement: c,
          type: isGenerator ? "generator" : null,
          classExprBinding: c.namedExpr ? c.name : null
        });
      }
  
      checkProperties(props);
    }
  
    blockstmt("function", function(context) {
      var inexport = context && context.inexport;
      var generator = false;
      if (state.tokens.next.value === "*") {
        advance("*");
        if (state.inES6({ strict: true })) {
          generator = true;
        } else {
          warning("W119", state.tokens.curr, "function*", "6");
        }
      }
      if (inblock) {
        warning("W082", state.tokens.curr);
      }
      var i = optionalidentifier();
  
      state.funct["(scope)"].addlabel(i, {
        type: "function",
        token: state.tokens.curr });
  
      if (i === undefined) {
        warning("W025");
      } else if (inexport) {
        state.funct["(scope)"].setExported(i, state.tokens.prev);
      }
  
      doFunction({
        name: i,
        statement: this,
        type: generator ? "generator" : null,
        ignoreLoopFunc: inblock // a declaration may already have warned
      });
      if (state.tokens.next.id === "(" && state.tokens.next.line === state.tokens.curr.line) {
        error("E039");
      }
      return this;
    });
  
    prefix("function", function() {
      var generator = false;
  
      if (state.tokens.next.value === "*") {
        if (!state.inES6()) {
          warning("W119", state.tokens.curr, "function*", "6");
        }
        advance("*");
        generator = true;
      }
  
      var i = optionalidentifier();
      doFunction({ name: i, type: generator ? "generator" : null });
      return this;
    });
  
    blockstmt("if", function() {
      var t = state.tokens.next;
      increaseComplexityCount();
      state.condition = true;
      advance("(");
      var expr = expression(0);
      checkCondAssignment(expr);
      var forinifcheck = null;
      if (state.option.forin && state.forinifcheckneeded) {
        state.forinifcheckneeded = false; // We only need to analyze the first if inside the loop
        forinifcheck = state.forinifchecks[state.forinifchecks.length - 1];
        if (expr.type === "(punctuator)" && expr.value === "!") {
          forinifcheck.type = "(negative)";
        } else {
          forinifcheck.type = "(positive)";
        }
      }
  
      advance(")", t);
      state.condition = false;
      var s = block(true, true);
      if (forinifcheck && forinifcheck.type === "(negative)") {
        if (s && s[0] && s[0].type === "(identifier)" && s[0].value === "continue") {
          forinifcheck.type = "(negative-with-continue)";
        }
      }
  
      if (state.tokens.next.id === "else") {
        advance("else");
        if (state.tokens.next.id === "if" || state.tokens.next.id === "switch") {
          statement();
        } else {
          block(true, true);
        }
      }
      return this;
    });
  
    blockstmt("try", function() {
      var b;
  
      function doCatch() {
        advance("catch");
        advance("(");
  
        state.funct["(scope)"].stack("catchparams");
  
        if (checkPunctuators(state.tokens.next, ["[", "{"])) {
          var tokens = destructuringPattern();
          _.each(tokens, function(token) {
            if (token.id) {
              state.funct["(scope)"].addParam(token.id, token, "exception");
            }
          });
        } else if (state.tokens.next.type !== "(identifier)") {
          warning("E030", state.tokens.next, state.tokens.next.value);
        } else {
          state.funct["(scope)"].addParam(identifier(), state.tokens.curr, "exception");
        }
  
        if (state.tokens.next.value === "if") {
          if (!state.inMoz()) {
            warning("W118", state.tokens.curr, "catch filter");
          }
          advance("if");
          expression(0);
        }
  
        advance(")");
  
        block(false);
  
        state.funct["(scope)"].unstack();
      }
  
      block(true);
  
      while (state.tokens.next.id === "catch") {
        increaseComplexityCount();
        if (b && (!state.inMoz())) {
          warning("W118", state.tokens.next, "multiple catch blocks");
        }
        doCatch();
        b = true;
      }
  
      if (state.tokens.next.id === "finally") {
        advance("finally");
        block(true);
        return;
      }
  
      if (!b) {
        error("E021", state.tokens.next, "catch", state.tokens.next.value);
      }
  
      return this;
    });
  
    blockstmt("while", function() {
      var t = state.tokens.next;
      state.funct["(breakage)"] += 1;
      state.funct["(loopage)"] += 1;
      increaseComplexityCount();
      advance("(");
      checkCondAssignment(expression(0));
      advance(")", t);
      block(true, true);
      state.funct["(breakage)"] -= 1;
      state.funct["(loopage)"] -= 1;
      return this;
    }).labelled = true;
  
    blockstmt("with", function() {
      var t = state.tokens.next;
      if (state.isStrict()) {
        error("E010", state.tokens.curr);
      } else if (!state.option.withstmt) {
        warning("W085", state.tokens.curr);
      }
  
      advance("(");
      expression(0);
      advance(")", t);
      block(true, true);
  
      return this;
    });
  
    blockstmt("switch", function() {
      var t = state.tokens.next;
      var g = false;
      var noindent = false;
  
      state.funct["(breakage)"] += 1;
      advance("(");
      checkCondAssignment(expression(0));
      advance(")", t);
      t = state.tokens.next;
      advance("{");
  
      if (state.tokens.next.from === indent)
        noindent = true;
  
      if (!noindent)
        indent += state.option.indent;
  
      this.cases = [];
  
      for (;;) {
        switch (state.tokens.next.id) {
        case "case":
          switch (state.funct["(verb)"]) {
          case "yield":
          case "break":
          case "case":
          case "continue":
          case "return":
          case "switch":
          case "throw":
            break;
          default:
            if (!state.tokens.curr.caseFallsThrough) {
              warning("W086", state.tokens.curr, "case");
            }
          }
  
          advance("case");
          this.cases.push(expression(0));
          increaseComplexityCount();
          g = true;
          advance(":");
          state.funct["(verb)"] = "case";
          break;
        case "default":
          switch (state.funct["(verb)"]) {
          case "yield":
          case "break":
          case "continue":
          case "return":
          case "throw":
            break;
          default:
            if (this.cases.length) {
              if (!state.tokens.curr.caseFallsThrough) {
                warning("W086", state.tokens.curr, "default");
              }
            }
          }
  
          advance("default");
          g = true;
          advance(":");
          break;
        case "}":
          if (!noindent)
            indent -= state.option.indent;
  
          advance("}", t);
          state.funct["(breakage)"] -= 1;
          state.funct["(verb)"] = undefined;
          return;
        case "(end)":
          error("E023", state.tokens.next, "}");
          return;
        default:
          indent += state.option.indent;
          if (g) {
            switch (state.tokens.curr.id) {
            case ",":
              error("E040");
              return;
            case ":":
              g = false;
              statements();
              break;
            default:
              error("E025", state.tokens.curr);
              return;
            }
          } else {
            if (state.tokens.curr.id === ":") {
              advance(":");
              error("E024", state.tokens.curr, ":");
              statements();
            } else {
              error("E021", state.tokens.next, "case", state.tokens.next.value);
              return;
            }
          }
          indent -= state.option.indent;
        }
      }
      return this;
    }).labelled = true;
  
    stmt("debugger", function() {
      if (!state.option.debug) {
        warning("W087", this);
      }
      return this;
    }).exps = true;
  
    (function() {
      var x = stmt("do", function() {
        state.funct["(breakage)"] += 1;
        state.funct["(loopage)"] += 1;
        increaseComplexityCount();
  
        this.first = block(true, true);
        advance("while");
        var t = state.tokens.next;
        advance("(");
        checkCondAssignment(expression(0));
        advance(")", t);
        state.funct["(breakage)"] -= 1;
        state.funct["(loopage)"] -= 1;
        return this;
      });
      x.labelled = true;
      x.exps = true;
    }());
  
    blockstmt("for", function() {
      var s, t = state.tokens.next;
      var letscope = false;
      var foreachtok = null;
  
      if (t.value === "each") {
        foreachtok = t;
        advance("each");
        if (!state.inMoz()) {
          warning("W118", state.tokens.curr, "for each");
        }
      }
  
      increaseComplexityCount();
      advance("(");
      var nextop; // contains the token of the "in" or "of" operator
      var i = 0;
      var inof = ["in", "of"];
      var level = 0; // BindingPattern "level" --- level 0 === no BindingPattern
      var comma; // First comma punctuator at level 0
      var initializer; // First initializer at level 0
      if (checkPunctuators(state.tokens.next, ["{", "["])) ++level;
      do {
        nextop = peek(i);
        ++i;
        if (checkPunctuators(nextop, ["{", "["])) ++level;
        else if (checkPunctuators(nextop, ["}", "]"])) --level;
        if (level < 0) break;
        if (level === 0) {
          if (!comma && checkPunctuator(nextop, ",")) comma = nextop;
          else if (!initializer && checkPunctuator(nextop, "=")) initializer = nextop;
        }
      } while (level > 0 || !_.contains(inof, nextop.value) && nextop.value !== ";" &&
      nextop.type !== "(end)"); // Is this a JSCS bug? This looks really weird.
      if (_.contains(inof, nextop.value)) {
        if (!state.inES6() && nextop.value === "of") {
          warning("W104", nextop, "for of", "6");
        }
  
        var ok = !(initializer || comma);
        if (initializer) {
          error("W133", comma, nextop.value, "initializer is forbidden");
        }
  
        if (comma) {
          error("W133", comma, nextop.value, "more than one ForBinding");
        }
  
        if (state.tokens.next.id === "var") {
          advance("var");
          state.tokens.curr.fud({ prefix: true });
        } else if (state.tokens.next.id === "let" || state.tokens.next.id === "const") {
          advance(state.tokens.next.id);
          letscope = true;
          state.funct["(scope)"].stack();
          state.tokens.curr.fud({ prefix: true });
        } else {
          Object.create(varstatement).fud({ prefix: true, implied: "for", ignore: !ok });
        }
        advance(nextop.value);
        expression(20);
        advance(")", t);
  
        if (nextop.value === "in" && state.option.forin) {
          state.forinifcheckneeded = true;
  
          if (state.forinifchecks === undefined) {
            state.forinifchecks = [];
          }
          state.forinifchecks.push({
            type: "(none)"
          });
        }
  
        state.funct["(breakage)"] += 1;
        state.funct["(loopage)"] += 1;
  
        s = block(true, true);
  
        if (nextop.value === "in" && state.option.forin) {
          if (state.forinifchecks && state.forinifchecks.length > 0) {
            var check = state.forinifchecks.pop();
  
            if (// No if statement or not the first statement in loop body
                s && s.length > 0 && (typeof s[0] !== "object" || s[0].value !== "if") ||
                check.type === "(positive)" && s.length > 1 ||
                check.type === "(negative)") {
              warning("W089", this);
            }
          }
          state.forinifcheckneeded = false;
        }
  
        state.funct["(breakage)"] -= 1;
        state.funct["(loopage)"] -= 1;
      } else {
        if (foreachtok) {
          error("E045", foreachtok);
        }
        if (state.tokens.next.id !== ";") {
          if (state.tokens.next.id === "var") {
            advance("var");
            state.tokens.curr.fud();
          } else if (state.tokens.next.id === "let") {
            advance("let");
            letscope = true;
            state.funct["(scope)"].stack();
            state.tokens.curr.fud();
          } else {
            for (;;) {
              expression(0, "for");
              if (state.tokens.next.id !== ",") {
                break;
              }
              comma();
            }
          }
        }
        nolinebreak(state.tokens.curr);
        advance(";");
        state.funct["(loopage)"] += 1;
        if (state.tokens.next.id !== ";") {
          checkCondAssignment(expression(0));
        }
        nolinebreak(state.tokens.curr);
        advance(";");
        if (state.tokens.next.id === ";") {
          error("E021", state.tokens.next, ")", ";");
        }
        if (state.tokens.next.id !== ")") {
          for (;;) {
            expression(0, "for");
            if (state.tokens.next.id !== ",") {
              break;
            }
            comma();
          }
        }
        advance(")", t);
        state.funct["(breakage)"] += 1;
        block(true, true);
        state.funct["(breakage)"] -= 1;
        state.funct["(loopage)"] -= 1;
  
      }
      if (letscope) {
        state.funct["(scope)"].unstack();
      }
      return this;
    }).labelled = true;
  
  
    stmt("break", function() {
      var v = state.tokens.next.value;
  
      if (!state.option.asi)
        nolinebreak(this);
  
      if (state.tokens.next.id !== ";" && !state.tokens.next.reach &&
          state.tokens.curr.line === startLine(state.tokens.next)) {
        if (!state.funct["(scope)"].funct.hasBreakLabel(v)) {
          warning("W090", state.tokens.next, v);
        }
        this.first = state.tokens.next;
        advance();
      } else {
        if (state.funct["(breakage)"] === 0)
          warning("W052", state.tokens.next, this.value);
      }
  
      reachable(this);
  
      return this;
    }).exps = true;
  
  
    stmt("continue", function() {
      var v = state.tokens.next.value;
  
      if (state.funct["(breakage)"] === 0)
        warning("W052", state.tokens.next, this.value);
      if (!state.funct["(loopage)"])
        warning("W052", state.tokens.next, this.value);
  
      if (!state.option.asi)
        nolinebreak(this);
  
      if (state.tokens.next.id !== ";" && !state.tokens.next.reach) {
        if (state.tokens.curr.line === startLine(state.tokens.next)) {
          if (!state.funct["(scope)"].funct.hasBreakLabel(v)) {
            warning("W090", state.tokens.next, v);
          }
          this.first = state.tokens.next;
          advance();
        }
      }
  
      reachable(this);
  
      return this;
    }).exps = true;
  
  
    stmt("return", function() {
      if (this.line === startLine(state.tokens.next)) {
        if (state.tokens.next.id !== ";" && !state.tokens.next.reach) {
          this.first = expression(0);
  
          if (this.first &&
              this.first.type === "(punctuator)" && this.first.value === "=" &&
              !this.first.paren && !state.option.boss) {
            warningAt("W093", this.first.line, this.first.character);
          }
        }
      } else {
        if (state.tokens.next.type === "(punctuator)" &&
          ["[", "{", "+", "-"].indexOf(state.tokens.next.value) > -1) {
          nolinebreak(this); // always warn (Line breaking error)
        }
      }
  
      reachable(this);
  
      return this;
    }).exps = true;
  
    (function(x) {
      x.exps = true;
      x.lbp = 25;
    }(prefix("yield", function() {
      var prev = state.tokens.prev;
      if (state.inES6(true) && !state.funct["(generator)"]) {
        if (!("(catch)" === state.funct["(name)"] && state.funct["(context)"]["(generator)"])) {
          error("E046", state.tokens.curr, "yield");
        }
      } else if (!state.inES6()) {
        warning("W104", state.tokens.curr, "yield", "6");
      }
      state.funct["(generator)"] = "yielded";
      var delegatingYield = false;
  
      if (state.tokens.next.value === "*") {
        delegatingYield = true;
        advance("*");
      }
  
      if (this.line === startLine(state.tokens.next) || !state.inMoz()) {
        if (delegatingYield ||
            (state.tokens.next.id !== ";" && !state.option.asi &&
            !state.tokens.next.reach && state.tokens.next.nud)) {
  
          nobreaknonadjacent(state.tokens.curr, state.tokens.next);
          this.first = expression(10);
  
          if (this.first.type === "(punctuator)" && this.first.value === "=" &&
              !this.first.paren && !state.option.boss) {
            warningAt("W093", this.first.line, this.first.character);
          }
        }
  
        if (state.inMoz() && state.tokens.next.id !== ")" &&
            (prev.lbp > 30 || (!prev.assign && !isEndOfExpr()) || prev.id === "yield")) {
          error("E050", this);
        }
      } else if (!state.option.asi) {
        nolinebreak(this); // always warn (Line breaking error)
      }
      return this;
    })));
  
  
    stmt("throw", function() {
      nolinebreak(this);
      this.first = expression(20);
  
      reachable(this);
  
      return this;
    }).exps = true;
  
    stmt("import", function() {
      if (!state.inES6()) {
        warning("W119", state.tokens.curr, "import", "6");
      }
  
      if (state.tokens.next.type === "(string)") {
        advance("(string)");
        return this;
      }
  
      if (state.tokens.next.identifier) {
        this.name = identifier();
        state.funct["(scope)"].addlabel(this.name, {
          type: "const",
          token: state.tokens.curr });
  
        if (state.tokens.next.value === ",") {
          advance(",");
        } else {
          advance("from");
          advance("(string)");
          return this;
        }
      }
  
      if (state.tokens.next.id === "*") {
        advance("*");
        advance("as");
        if (state.tokens.next.identifier) {
          this.name = identifier();
          state.funct["(scope)"].addlabel(this.name, {
            type: "const",
            token: state.tokens.curr });
        }
      } else {
        advance("{");
        for (;;) {
          if (state.tokens.next.value === "}") {
            advance("}");
            break;
          }
          var importName;
          if (state.tokens.next.type === "default") {
            importName = "default";
            advance("default");
          } else {
            importName = identifier();
          }
          if (state.tokens.next.value === "as") {
            advance("as");
            importName = identifier();
          }
          state.funct["(scope)"].addlabel(importName, {
            type: "const",
            token: state.tokens.curr });
  
          if (state.tokens.next.value === ",") {
            advance(",");
          } else if (state.tokens.next.value === "}") {
            advance("}");
            break;
          } else {
            error("E024", state.tokens.next, state.tokens.next.value);
            break;
          }
        }
      }
      advance("from");
      advance("(string)");
      return this;
    }).exps = true;
  
    stmt("export", function() {
      var ok = true;
      var token;
      var identifier;
  
      if (!state.inES6()) {
        warning("W119", state.tokens.curr, "export", "6");
        ok = false;
      }
  
      if (!state.funct["(scope)"].block.isGlobal()) {
        error("E053", state.tokens.curr);
        ok = false;
      }
  
      if (state.tokens.next.value === "*") {
        advance("*");
        advance("from");
        advance("(string)");
        return this;
      }
  
      if (state.tokens.next.type === "default") {
        state.nameStack.set(state.tokens.next);
        advance("default");
        var exportType = state.tokens.next.id;
        if (exportType === "function" || exportType === "class") {
          this.block = true;
        }
  
        token = peek();
  
        expression(10);
  
        identifier = token.value;
  
        if (this.block) {
          state.funct["(scope)"].addlabel(identifier, {
            type: exportType,
            token: token });
  
          state.funct["(scope)"].setExported(identifier, token);
        }
  
        return this;
      }
  
      if (state.tokens.next.value === "{") {
        advance("{");
        var exportedTokens = [];
        for (;;) {
          if (!state.tokens.next.identifier) {
            error("E030", state.tokens.next, state.tokens.next.value);
          }
          advance();
  
          exportedTokens.push(state.tokens.curr);
  
          if (state.tokens.next.value === "as") {
            advance("as");
            if (!state.tokens.next.identifier) {
              error("E030", state.tokens.next, state.tokens.next.value);
            }
            advance();
          }
  
          if (state.tokens.next.value === ",") {
            advance(",");
          } else if (state.tokens.next.value === "}") {
            advance("}");
            break;
          } else {
            error("E024", state.tokens.next, state.tokens.next.value);
            break;
          }
        }
        if (state.tokens.next.value === "from") {
          advance("from");
          advance("(string)");
        } else if (ok) {
          exportedTokens.forEach(function(token) {
            state.funct["(scope)"].setExported(token.value, token);
          });
        }
        return this;
      }
  
      if (state.tokens.next.id === "var") {
        advance("var");
        state.tokens.curr.fud({ inexport:true });
      } else if (state.tokens.next.id === "let") {
        advance("let");
        state.tokens.curr.fud({ inexport:true });
      } else if (state.tokens.next.id === "const") {
        advance("const");
        state.tokens.curr.fud({ inexport:true });
      } else if (state.tokens.next.id === "function") {
        this.block = true;
        advance("function");
        state.syntax["function"].fud({ inexport:true });
      } else if (state.tokens.next.id === "class") {
        this.block = true;
        advance("class");
        var classNameToken = state.tokens.next;
        state.syntax["class"].fud();
        state.funct["(scope)"].setExported(classNameToken.value, classNameToken);
      } else {
        error("E024", state.tokens.next, state.tokens.next.value);
      }
  
      return this;
    }).exps = true;
  
    FutureReservedWord("abstract");
    FutureReservedWord("boolean");
    FutureReservedWord("byte");
    FutureReservedWord("char");
    FutureReservedWord("class", { es5: true, nud: classdef });
    FutureReservedWord("double");
    FutureReservedWord("enum", { es5: true });
    FutureReservedWord("export", { es5: true });
    FutureReservedWord("extends", { es5: true });
    FutureReservedWord("final");
    FutureReservedWord("float");
    FutureReservedWord("goto");
    FutureReservedWord("implements", { es5: true, strictOnly: true });
    FutureReservedWord("import", { es5: true });
    FutureReservedWord("int");
    FutureReservedWord("interface", { es5: true, strictOnly: true });
    FutureReservedWord("long");
    FutureReservedWord("native");
    FutureReservedWord("package", { es5: true, strictOnly: true });
    FutureReservedWord("private", { es5: true, strictOnly: true });
    FutureReservedWord("protected", { es5: true, strictOnly: true });
    FutureReservedWord("public", { es5: true, strictOnly: true });
    FutureReservedWord("short");
    FutureReservedWord("static", { es5: true, strictOnly: true });
    FutureReservedWord("super", { es5: true });
    FutureReservedWord("synchronized");
    FutureReservedWord("transient");
    FutureReservedWord("volatile");
  
    var lookupBlockType = function() {
      var pn, pn1, prev;
      var i = -1;
      var bracketStack = 0;
      var ret = {};
      if (checkPunctuators(state.tokens.curr, ["[", "{"])) {
        bracketStack += 1;
      }
      do {
        prev = i === -1 ? state.tokens.curr : pn;
        pn = i === -1 ? state.tokens.next : peek(i);
        pn1 = peek(i + 1);
        i = i + 1;
        if (checkPunctuators(pn, ["[", "{"])) {
          bracketStack += 1;
        } else if (checkPunctuators(pn, ["]", "}"])) {
          bracketStack -= 1;
        }
        if (bracketStack === 1 && pn.identifier && pn.value === "for" &&
            !checkPunctuator(prev, ".")) {
          ret.isCompArray = true;
          ret.notJson = true;
          break;
        }
        if (bracketStack === 0 && checkPunctuators(pn, ["}", "]"])) {
          if (pn1.value === "=") {
            ret.isDestAssign = true;
            ret.notJson = true;
            break;
          } else if (pn1.value === ".") {
            ret.notJson = true;
            break;
          }
        }
        if (checkPunctuator(pn, ";")) {
          ret.isBlock = true;
          ret.notJson = true;
        }
      } while (bracketStack > 0 && pn.id !== "(end)");
      return ret;
    };
  
    function saveProperty(props, name, tkn, isClass, isStatic) {
      var msg = ["key", "class method", "static class method"];
      msg = msg[(isClass || false) + (isStatic || false)];
      if (tkn.identifier) {
        name = tkn.value;
      }
  
      if (props[name] && name !== "__proto__") {
        warning("W075", state.tokens.next, msg, name);
      } else {
        props[name] = Object.create(null);
      }
  
      props[name].basic = true;
      props[name].basictkn = tkn;
    }
    function saveAccessor(accessorType, props, name, tkn, isClass, isStatic) {
      var flagName = accessorType === "get" ? "getterToken" : "setterToken";
      var msg = "";
  
      if (isClass) {
        if (isStatic) {
          msg += "static ";
        }
        msg += accessorType + "ter method";
      } else {
        msg = "key";
      }
  
      state.tokens.curr.accessorType = accessorType;
      state.nameStack.set(tkn);
  
      if (props[name]) {
        if ((props[name].basic || props[name][flagName]) && name !== "__proto__") {
          warning("W075", state.tokens.next, msg, name);
        }
      } else {
        props[name] = Object.create(null);
      }
  
      props[name][flagName] = tkn;
    }
  
    function computedPropertyName() {
      advance("[");
      if (!state.inES6()) {
        warning("W119", state.tokens.curr, "computed property names", "6");
      }
      var value = expression(10);
      advance("]");
      return value;
    }
    function checkPunctuators(token, values) {
      if (token.type === "(punctuator)") {
        return _.contains(values, token.value);
      }
      return false;
    }
    function checkPunctuator(token, value) {
      return token.type === "(punctuator)" && token.value === value;
    }
    function destructuringAssignOrJsonValue() {
  
      var block = lookupBlockType();
      if (block.notJson) {
        if (!state.inES6() && block.isDestAssign) {
          warning("W104", state.tokens.curr, "destructuring assignment", "6");
        }
        statements();
      } else {
        state.option.laxbreak = true;
        state.jsonMode = true;
        jsonValue();
      }
    }
  
    var arrayComprehension = function() {
      var CompArray = function() {
        this.mode = "use";
        this.variables = [];
      };
      var _carrays = [];
      var _current;
      function declare(v) {
        var l = _current.variables.filter(function(elt) {
          if (elt.value === v) {
            elt.undef = false;
            return v;
          }
        }).length;
        return l !== 0;
      }
      function use(v) {
        var l = _current.variables.filter(function(elt) {
          if (elt.value === v && !elt.undef) {
            if (elt.unused === true) {
              elt.unused = false;
            }
            return v;
          }
        }).length;
        return (l === 0);
      }
      return { stack: function() {
            _current = new CompArray();
            _carrays.push(_current);
          },
          unstack: function() {
            _current.variables.filter(function(v) {
              if (v.unused)
                warning("W098", v.token, v.raw_text || v.value);
              if (v.undef)
                state.funct["(scope)"].block.use(v.value, v.token);
            });
            _carrays.splice(-1, 1);
            _current = _carrays[_carrays.length - 1];
          },
          setState: function(s) {
            if (_.contains(["use", "define", "generate", "filter"], s))
              _current.mode = s;
          },
          check: function(v) {
            if (!_current) {
              return;
            }
            if (_current && _current.mode === "use") {
              if (use(v)) {
                _current.variables.push({
                  funct: state.funct,
                  token: state.tokens.curr,
                  value: v,
                  undef: true,
                  unused: false
                });
              }
              return true;
            } else if (_current && _current.mode === "define") {
              if (!declare(v)) {
                _current.variables.push({
                  funct: state.funct,
                  token: state.tokens.curr,
                  value: v,
                  undef: false,
                  unused: true
                });
              }
              return true;
            } else if (_current && _current.mode === "generate") {
              state.funct["(scope)"].block.use(v, state.tokens.curr);
              return true;
            } else if (_current && _current.mode === "filter") {
              if (use(v)) {
                state.funct["(scope)"].block.use(v, state.tokens.curr);
              }
              return true;
            }
            return false;
          }
          };
    };
  
    function jsonValue() {
      function jsonObject() {
        var o = {}, t = state.tokens.next;
        advance("{");
        if (state.tokens.next.id !== "}") {
          for (;;) {
            if (state.tokens.next.id === "(end)") {
              error("E026", state.tokens.next, t.line);
            } else if (state.tokens.next.id === "}") {
              warning("W094", state.tokens.curr);
              break;
            } else if (state.tokens.next.id === ",") {
              error("E028", state.tokens.next);
            } else if (state.tokens.next.id !== "(string)") {
              warning("W095", state.tokens.next, state.tokens.next.value);
            }
            if (o[state.tokens.next.value] === true) {
              warning("W075", state.tokens.next, "key", state.tokens.next.value);
            } else if ((state.tokens.next.value === "__proto__" &&
              !state.option.proto) || (state.tokens.next.value === "__iterator__" &&
              !state.option.iterator)) {
              warning("W096", state.tokens.next, state.tokens.next.value);
            } else {
              o[state.tokens.next.value] = true;
            }
            advance();
            advance(":");
            jsonValue();
            if (state.tokens.next.id !== ",") {
              break;
            }
            advance(",");
          }
        }
        advance("}");
      }
  
      function jsonArray() {
        var t = state.tokens.next;
        advance("[");
        if (state.tokens.next.id !== "]") {
          for (;;) {
            if (state.tokens.next.id === "(end)") {
              error("E027", state.tokens.next, t.line);
            } else if (state.tokens.next.id === "]") {
              warning("W094", state.tokens.curr);
              break;
            } else if (state.tokens.next.id === ",") {
              error("E028", state.tokens.next);
            }
            jsonValue();
            if (state.tokens.next.id !== ",") {
              break;
            }
            advance(",");
          }
        }
        advance("]");
      }
  
      switch (state.tokens.next.id) {
      case "{":
        jsonObject();
        break;
      case "[":
        jsonArray();
        break;
      case "true":
      case "false":
      case "null":
      case "(number)":
      case "(string)":
        advance();
        break;
      case "-":
        advance("-");
        advance("(number)");
        break;
      default:
        error("E003", state.tokens.next);
      }
    }
  
    var escapeRegex = function(str) {
      return str.replace(/[-\/\\^$*+?.()|[\]{}]/g, "\\$&");
    };
    var itself = function(s, o, g) {
      var i, k, x, reIgnoreStr, reIgnore;
      var optionKeys;
      var newOptionObj = {};
      var newIgnoredObj = {};
  
      o = _.clone(o);
      state.reset();
  
      if (o && o.scope) {
        JSHINT.scope = o.scope;
      } else {
        JSHINT.errors = [];
        JSHINT.undefs = [];
        JSHINT.internals = [];
        JSHINT.blacklist = {};
        JSHINT.scope = "(main)";
      }
  
      predefined = Object.create(null);
      combine(predefined, vars.ecmaIdentifiers[3]);
      combine(predefined, vars.reservedVars);
  
      combine(predefined, g || {});
  
      declared = Object.create(null);
      var exported = Object.create(null); // Variables that live outside the current file
  
      function each(obj, cb) {
        if (!obj)
          return;
  
        if (!Array.isArray(obj) && typeof obj === "object")
          obj = Object.keys(obj);
  
        obj.forEach(cb);
      }
  
      if (o) {
        each(o.predef || null, function(item) {
          var slice, prop;
  
          if (item[0] === "-") {
            slice = item.slice(1);
            JSHINT.blacklist[slice] = slice;
            delete predefined[slice];
          } else {
            prop = Object.getOwnPropertyDescriptor(o.predef, item);
            predefined[item] = prop ? prop.value : false;
          }
        });
  
        each(o.exported || null, function(item) {
          exported[item] = true;
        });
  
        delete o.predef;
        delete o.exported;
  
        optionKeys = Object.keys(o);
        for (x = 0; x < optionKeys.length; x++) {
          if (/^-W\d{3}$/g.test(optionKeys[x])) {
            newIgnoredObj[optionKeys[x].slice(1)] = true;
          } else {
            var optionKey = optionKeys[x];
            newOptionObj[optionKey] = o[optionKey];
            if ((optionKey === "esversion" && o[optionKey] === 5) ||
                (optionKey === "es5" && o[optionKey])) {
              warning("I003");
            }
  
            if (optionKeys[x] === "newcap" && o[optionKey] === false)
              newOptionObj["(explicitNewcap)"] = true;
          }
        }
      }
  
      state.option = newOptionObj;
      state.ignored = newIgnoredObj;
  
      state.option.indent = state.option.indent || 4;
      state.option.maxerr = state.option.maxerr || 50;
  
      indent = 1;
  
      var scopeManagerInst = scopeManager(state, predefined, exported, declared);
      scopeManagerInst.on("warning", function(ev) {
        warning.apply(null, [ ev.code, ev.token].concat(ev.data));
      });
  
      scopeManagerInst.on("error", function(ev) {
        error.apply(null, [ ev.code, ev.token ].concat(ev.data));
      });
  
      state.funct = functor("(global)", null, {
        "(global)"    : true,
        "(scope)"     : scopeManagerInst,
        "(comparray)" : arrayComprehension(),
        "(metrics)"   : createMetrics(state.tokens.next)
      });
  
      functions = [state.funct];
      urls = [];
      stack = null;
      member = {};
      membersOnly = null;
      inblock = false;
      lookahead = [];
  
      if (!isString(s) && !Array.isArray(s)) {
        errorAt("E004", 0);
        return false;
      }
  
      api = {
        get isJSON() {
          return state.jsonMode;
        },
  
        getOption: function(name) {
          return state.option[name] || null;
        },
  
        getCache: function(name) {
          return state.cache[name];
        },
  
        setCache: function(name, value) {
          state.cache[name] = value;
        },
  
        warn: function(code, data) {
          warningAt.apply(null, [ code, data.line, data.char ].concat(data.data));
        },
  
        on: function(names, listener) {
          names.split(" ").forEach(function(name) {
            emitter.on(name, listener);
          }.bind(this));
        }
      };
  
      emitter.removeAllListeners();
      (extraModules || []).forEach(function(func) {
        func(api);
      });
  
      state.tokens.prev = state.tokens.curr = state.tokens.next = state.syntax["(begin)"];
  
      if (o && o.ignoreDelimiters) {
  
        if (!Array.isArray(o.ignoreDelimiters)) {
          o.ignoreDelimiters = [o.ignoreDelimiters];
        }
  
        o.ignoreDelimiters.forEach(function(delimiterPair) {
          if (!delimiterPair.start || !delimiterPair.end)
              return;
  
          reIgnoreStr = escapeRegex(delimiterPair.start) +
                        "[\\s\\S]*?" +
                        escapeRegex(delimiterPair.end);
  
          reIgnore = new RegExp(reIgnoreStr, "ig");
  
          s = s.replace(reIgnore, function(match) {
            return match.replace(/./g, " ");
          });
        });
      }
  
      lex = new Lexer(s);
  
      lex.on("warning", function(ev) {
        warningAt.apply(null, [ ev.code, ev.line, ev.character].concat(ev.data));
      });
  
      lex.on("error", function(ev) {
        errorAt.apply(null, [ ev.code, ev.line, ev.character ].concat(ev.data));
      });
  
      lex.on("fatal", function(ev) {
        quit("E041", ev.line, ev.from);
      });
  
      lex.on("Identifier", function(ev) {
        emitter.emit("Identifier", ev);
      });
  
      lex.on("String", function(ev) {
        emitter.emit("String", ev);
      });
  
      lex.on("Number", function(ev) {
        emitter.emit("Number", ev);
      });
  
      lex.start();
      for (var name in o) {
        if (_.has(o, name)) {
          checkOption(name, state.tokens.curr);
        }
      }
  
      assume();
      combine(predefined, g || {});
      comma.first = true;
  
      try {
        advance();
        switch (state.tokens.next.id) {
        case "{":
        case "[":
          destructuringAssignOrJsonValue();
          break;
        default:
          directives();
  
          if (state.directive["use strict"]) {
            if (state.option.strict !== "global") {
              warning("W097", state.tokens.prev);
            }
          }
  
          statements();
        }
  
        if (state.tokens.next.id !== "(end)") {
          quit("E041", state.tokens.curr.line);
        }
  
        state.funct["(scope)"].unstack();
  
      } catch (err) {
        if (err && err.name === "JSHintError") {
          var nt = state.tokens.next || {};
          JSHINT.errors.push({
            scope     : "(main)",
            raw       : err.raw,
            code      : err.code,
            reason    : err.message,
            line      : err.line || nt.line,
            character : err.character || nt.from
          }, null);
        } else {
          throw err;
        }
      }
  
      if (JSHINT.scope === "(main)") {
        o = o || {};
  
        for (i = 0; i < JSHINT.internals.length; i += 1) {
          k = JSHINT.internals[i];
          o.scope = k.elem;
          itself(k.value, o, g);
        }
      }
  
      return JSHINT.errors.length === 0;
    };
    itself.addModule = function(func) {
      extraModules.push(func);
    };
  
    itself.addModule(style.register);
    itself.data = function() {
      var data = {
        functions: [],
        options: state.option
      };
  
      var fu, f, i, j, n, globals;
  
      if (itself.errors.length) {
        data.errors = itself.errors;
      }
  
      if (state.jsonMode) {
        data.json = true;
      }
  
      var impliedGlobals = state.funct["(scope)"].getImpliedGlobals();
      if (impliedGlobals.length > 0) {
        data.implieds = impliedGlobals;
      }
  
      if (urls.length > 0) {
        data.urls = urls;
      }
  
      globals = state.funct["(scope)"].getUsedOrDefinedGlobals();
      if (globals.length > 0) {
        data.globals = globals;
      }
  
      for (i = 1; i < functions.length; i += 1) {
        f = functions[i];
        fu = {};
  
        for (j = 0; j < functionicity.length; j += 1) {
          fu[functionicity[j]] = [];
        }
  
        for (j = 0; j < functionicity.length; j += 1) {
          if (fu[functionicity[j]].length === 0) {
            delete fu[functionicity[j]];
          }
        }
  
        fu.name = f["(name)"];
        fu.param = f["(params)"];
        fu.line = f["(line)"];
        fu.character = f["(character)"];
        fu.last = f["(last)"];
        fu.lastcharacter = f["(lastcharacter)"];
  
        fu.metrics = {
          complexity: f["(metrics)"].ComplexityCount,
          parameters: f["(metrics)"].arity,
          statements: f["(metrics)"].statementCount
        };
  
        data.functions.push(fu);
      }
  
      var unuseds = state.funct["(scope)"].getUnuseds();
      if (unuseds.length > 0) {
        data.unused = unuseds;
      }
  
      for (n in member) {
        if (typeof member[n] === "number") {
          data.member = member;
          break;
        }
      }
  
      return data;
    };
  
    itself.jshint = itself;
  
    return itself;
  }());
  if (typeof exports === "object" && exports) {
    exports.JSHINT = JSHINT;
  }
  
  },{"../lodash":"/node_modules/jshint/lodash.js","./lex.js":"/node_modules/jshint/src/lex.js","./messages.js":"/node_modules/jshint/src/messages.js","./options.js":"/node_modules/jshint/src/options.js","./reg.js":"/node_modules/jshint/src/reg.js","./scope-manager.js":"/node_modules/jshint/src/scope-manager.js","./state.js":"/node_modules/jshint/src/state.js","./style.js":"/node_modules/jshint/src/style.js","./vars.js":"/node_modules/jshint/src/vars.js","events":"/node_modules/browserify/node_modules/events/events.js"}],"/node_modules/jshint/src/lex.js":[function(_dereq_,module,exports){
  
  "use strict";
  
  var _      = _dereq_("../lodash");
  var events = _dereq_("events");
  var reg    = _dereq_("./reg.js");
  var state  = _dereq_("./state.js").state;
  
  var unicodeData = _dereq_("../data/ascii-identifier-data.js");
  var asciiIdentifierStartTable = unicodeData.asciiIdentifierStartTable;
  var asciiIdentifierPartTable = unicodeData.asciiIdentifierPartTable;
  
  var Token = {
    Identifier: 1,
    Punctuator: 2,
    NumericLiteral: 3,
    StringLiteral: 4,
    Comment: 5,
    Keyword: 6,
    NullLiteral: 7,
    BooleanLiteral: 8,
    RegExp: 9,
    TemplateHead: 10,
    TemplateMiddle: 11,
    TemplateTail: 12,
    NoSubstTemplate: 13
  };
  
  var Context = {
    Block: 1,
    Template: 2
  };
  
  function asyncTrigger() {
    var _checks = [];
  
    return {
      push: function(fn) {
        _checks.push(fn);
      },
  
      check: function() {
        for (var check = 0; check < _checks.length; ++check) {
          _checks[check]();
        }
  
        _checks.splice(0, _checks.length);
      }
    };
  }
  function Lexer(source) {
    var lines = source;
  
    if (typeof lines === "string") {
      lines = lines
        .replace(/\r\n/g, "\n")
        .replace(/\r/g, "\n")
        .split("\n");
    }
  
    if (lines[0] && lines[0].substr(0, 2) === "#!") {
      if (lines[0].indexOf("node") !== -1) {
        state.option.node = true;
      }
      lines[0] = "";
    }
  
    this.emitter = new events.EventEmitter();
    this.source = source;
    this.setLines(lines);
    this.prereg = true;
  
    this.line = 0;
    this.char = 1;
    this.from = 1;
    this.input = "";
    this.inComment = false;
    this.context = [];
    this.templateStarts = [];
  
    for (var i = 0; i < state.option.indent; i += 1) {
      state.tab += " ";
    }
    this.ignoreLinterErrors = false;
  }
  
  Lexer.prototype = {
    _lines: [],
  
    inContext: function(ctxType) {
      return this.context.length > 0 && this.context[this.context.length - 1].type === ctxType;
    },
  
    pushContext: function(ctxType) {
      this.context.push({ type: ctxType });
    },
  
    popContext: function() {
      return this.context.pop();
    },
  
    isContext: function(context) {
      return this.context.length > 0 && this.context[this.context.length - 1] === context;
    },
  
    currentContext: function() {
      return this.context.length > 0 && this.context[this.context.length - 1];
    },
  
    getLines: function() {
      this._lines = state.lines;
      return this._lines;
    },
  
    setLines: function(val) {
      this._lines = val;
      state.lines = this._lines;
    },
    peek: function(i) {
      return this.input.charAt(i || 0);
    },
    skip: function(i) {
      i = i || 1;
      this.char += i;
      this.input = this.input.slice(i);
    },
    on: function(names, listener) {
      names.split(" ").forEach(function(name) {
        this.emitter.on(name, listener);
      }.bind(this));
    },
    trigger: function() {
      this.emitter.emit.apply(this.emitter, Array.prototype.slice.call(arguments));
    },
    triggerAsync: function(type, args, checks, fn) {
      checks.push(function() {
        if (fn()) {
          this.trigger(type, args);
        }
      }.bind(this));
    },
    scanPunctuator: function() {
      var ch1 = this.peek();
      var ch2, ch3, ch4;
  
      switch (ch1) {
      case ".":
        if ((/^[0-9]$/).test(this.peek(1))) {
          return null;
        }
        if (this.peek(1) === "." && this.peek(2) === ".") {
          return {
            type: Token.Punctuator,
            value: "..."
          };
        }
      case "(":
      case ")":
      case ";":
      case ",":
      case "[":
      case "]":
      case ":":
      case "~":
      case "?":
        return {
          type: Token.Punctuator,
          value: ch1
        };
      case "{":
        this.pushContext(Context.Block);
        return {
          type: Token.Punctuator,
          value: ch1
        };
      case "}":
        if (this.inContext(Context.Block)) {
          this.popContext();
        }
        return {
          type: Token.Punctuator,
          value: ch1
        };
      case "#":
        return {
          type: Token.Punctuator,
          value: ch1
        };
      case "":
        return null;
      }
  
      ch2 = this.peek(1);
      ch3 = this.peek(2);
      ch4 = this.peek(3);
  
      if (ch1 === ">" && ch2 === ">" && ch3 === ">" && ch4 === "=") {
        return {
          type: Token.Punctuator,
          value: ">>>="
        };
      }
  
      if (ch1 === "=" && ch2 === "=" && ch3 === "=") {
        return {
          type: Token.Punctuator,
          value: "==="
        };
      }
  
      if (ch1 === "!" && ch2 === "=" && ch3 === "=") {
        return {
          type: Token.Punctuator,
          value: "!=="
        };
      }
  
      if (ch1 === ">" && ch2 === ">" && ch3 === ">") {
        return {
          type: Token.Punctuator,
          value: ">>>"
        };
      }
  
      if (ch1 === "<" && ch2 === "<" && ch3 === "=") {
        return {
          type: Token.Punctuator,
          value: "<<="
        };
      }
  
      if (ch1 === ">" && ch2 === ">" && ch3 === "=") {
        return {
          type: Token.Punctuator,
          value: ">>="
        };
      }
      if (ch1 === "=" && ch2 === ">") {
        return {
          type: Token.Punctuator,
          value: ch1 + ch2
        };
      }
      if (ch1 === ch2 && ("+-<>&|".indexOf(ch1) >= 0)) {
        return {
          type: Token.Punctuator,
          value: ch1 + ch2
        };
      }
  
      if ("<>=!+-*%&|^".indexOf(ch1) >= 0) {
        if (ch2 === "=") {
          return {
            type: Token.Punctuator,
            value: ch1 + ch2
          };
        }
  
        return {
          type: Token.Punctuator,
          value: ch1
        };
      }
  
      if (ch1 === "/") {
        if (ch2 === "=") {
          return {
            type: Token.Punctuator,
            value: "/="
          };
        }
  
        return {
          type: Token.Punctuator,
          value: "/"
        };
      }
  
      return null;
    },
    scanComments: function() {
      var ch1 = this.peek();
      var ch2 = this.peek(1);
      var rest = this.input.substr(2);
      var startLine = this.line;
      var startChar = this.char;
      var self = this;
  
      function commentToken(label, body, opt) {
        var special = ["jshint", "jslint", "members", "member", "globals", "global", "exported"];
        var isSpecial = false;
        var value = label + body;
        var commentType = "plain";
        opt = opt || {};
  
        if (opt.isMultiline) {
          value += "*/";
        }
  
        body = body.replace(/\n/g, " ");
  
        if (label === "/*" && reg.fallsThrough.test(body)) {
          isSpecial = true;
          commentType = "falls through";
        }
  
        special.forEach(function(str) {
          if (isSpecial) {
            return;
          }
          if (label === "//" && str !== "jshint") {
            return;
          }
  
          if (body.charAt(str.length) === " " && body.substr(0, str.length) === str) {
            isSpecial = true;
            label = label + str;
            body = body.substr(str.length);
          }
  
          if (!isSpecial && body.charAt(0) === " " && body.charAt(str.length + 1) === " " &&
            body.substr(1, str.length) === str) {
            isSpecial = true;
            label = label + " " + str;
            body = body.substr(str.length + 1);
          }
  
          if (!isSpecial) {
            return;
          }
  
          switch (str) {
          case "member":
            commentType = "members";
            break;
          case "global":
            commentType = "globals";
            break;
          default:
            var options = body.split(":").map(function(v) {
              return v.replace(/^\s+/, "").replace(/\s+$/, "");
            });
  
            if (options.length === 2) {
              switch (options[0]) {
              case "ignore":
                switch (options[1]) {
                case "start":
                  self.ignoringLinterErrors = true;
                  isSpecial = false;
                  break;
                case "end":
                  self.ignoringLinterErrors = false;
                  isSpecial = false;
                  break;
                }
              }
            }
  
            commentType = str;
          }
        });
  
        return {
          type: Token.Comment,
          commentType: commentType,
          value: value,
          body: body,
          isSpecial: isSpecial,
          isMultiline: opt.isMultiline || false,
          isMalformed: opt.isMalformed || false
        };
      }
      if (ch1 === "*" && ch2 === "/") {
        this.trigger("error", {
          code: "E018",
          line: startLine,
          character: startChar
        });
  
        this.skip(2);
        return null;
      }
      if (ch1 !== "/" || (ch2 !== "*" && ch2 !== "/")) {
        return null;
      }
      if (ch2 === "/") {
        this.skip(this.input.length); // Skip to the EOL.
        return commentToken("//", rest);
      }
  
      var body = "";
      if (ch2 === "*") {
        this.inComment = true;
        this.skip(2);
  
        while (this.peek() !== "*" || this.peek(1) !== "/") {
          if (this.peek() === "") { // End of Line
            body += "\n";
            if (!this.nextLine()) {
              this.trigger("error", {
                code: "E017",
                line: startLine,
                character: startChar
              });
  
              this.inComment = false;
              return commentToken("/*", body, {
                isMultiline: true,
                isMalformed: true
              });
            }
          } else {
            body += this.peek();
            this.skip();
          }
        }
  
        this.skip(2);
        this.inComment = false;
        return commentToken("/*", body, { isMultiline: true });
      }
    },
    scanKeyword: function() {
      var result = /^[a-zA-Z_$][a-zA-Z0-9_$]*/.exec(this.input);
      var keywords = [
        "if", "in", "do", "var", "for", "new",
        "try", "let", "this", "else", "case",
        "void", "with", "enum", "while", "break",
        "catch", "throw", "const", "yield", "class",
        "super", "return", "typeof", "delete",
        "switch", "export", "import", "default",
        "finally", "extends", "function", "continue",
        "debugger", "instanceof"
      ];
  
      if (result && keywords.indexOf(result[0]) >= 0) {
        return {
          type: Token.Keyword,
          value: result[0]
        };
      }
  
      return null;
    },
    scanIdentifier: function() {
      var id = "";
      var index = 0;
      var type, char;
  
      function isNonAsciiIdentifierStart(code) {
        return code > 256;
      }
  
      function isNonAsciiIdentifierPart(code) {
        return code > 256;
      }
  
      function isHexDigit(str) {
        return (/^[0-9a-fA-F]$/).test(str);
      }
  
      var readUnicodeEscapeSequence = function() {
        index += 1;
  
        if (this.peek(index) !== "u") {
          return null;
        }
  
        var ch1 = this.peek(index + 1);
        var ch2 = this.peek(index + 2);
        var ch3 = this.peek(index + 3);
        var ch4 = this.peek(index + 4);
        var code;
  
        if (isHexDigit(ch1) && isHexDigit(ch2) && isHexDigit(ch3) && isHexDigit(ch4)) {
          code = parseInt(ch1 + ch2 + ch3 + ch4, 16);
  
          if (asciiIdentifierPartTable[code] || isNonAsciiIdentifierPart(code)) {
            index += 5;
            return "\\u" + ch1 + ch2 + ch3 + ch4;
          }
  
          return null;
        }
  
        return null;
      }.bind(this);
  
      var getIdentifierStart = function() {
        var chr = this.peek(index);
        var code = chr.charCodeAt(0);
  
        if (code === 92) {
          return readUnicodeEscapeSequence();
        }
  
        if (code < 128) {
          if (asciiIdentifierStartTable[code]) {
            index += 1;
            return chr;
          }
  
          return null;
        }
  
        if (isNonAsciiIdentifierStart(code)) {
          index += 1;
          return chr;
        }
  
        return null;
      }.bind(this);
  
      var getIdentifierPart = function() {
        var chr = this.peek(index);
        var code = chr.charCodeAt(0);
  
        if (code === 92) {
          return readUnicodeEscapeSequence();
        }
  
        if (code < 128) {
          if (asciiIdentifierPartTable[code]) {
            index += 1;
            return chr;
          }
  
          return null;
        }
  
        if (isNonAsciiIdentifierPart(code)) {
          index += 1;
          return chr;
        }
  
        return null;
      }.bind(this);
  
      function removeEscapeSequences(id) {
        return id.replace(/\\u([0-9a-fA-F]{4})/g, function(m0, codepoint) {
          return String.fromCharCode(parseInt(codepoint, 16));
        });
      }
  
      char = getIdentifierStart();
      if (char === null) {
        return null;
      }
  
      id = char;
      for (;;) {
        char = getIdentifierPart();
  
        if (char === null) {
          break;
        }
  
        id += char;
      }
  
      switch (id) {
      case "true":
      case "false":
        type = Token.BooleanLiteral;
        break;
      case "null":
        type = Token.NullLiteral;
        break;
      default:
        type = Token.Identifier;
      }
  
      return {
        type: type,
        value: removeEscapeSequences(id),
        text: id,
        tokenLength: id.length
      };
    },
    scanNumericLiteral: function() {
      var index = 0;
      var value = "";
      var length = this.input.length;
      var char = this.peek(index);
      var bad;
      var isAllowedDigit = isDecimalDigit;
      var base = 10;
      var isLegacy = false;
  
      function isDecimalDigit(str) {
        return (/^[0-9]$/).test(str);
      }
  
      function isOctalDigit(str) {
        return (/^[0-7]$/).test(str);
      }
  
      function isBinaryDigit(str) {
        return (/^[01]$/).test(str);
      }
  
      function isHexDigit(str) {
        return (/^[0-9a-fA-F]$/).test(str);
      }
  
      function isIdentifierStart(ch) {
        return (ch === "$") || (ch === "_") || (ch === "\\") ||
          (ch >= "a" && ch <= "z") || (ch >= "A" && ch <= "Z");
      }
  
      if (char !== "." && !isDecimalDigit(char)) {
        return null;
      }
  
      if (char !== ".") {
        value = this.peek(index);
        index += 1;
        char = this.peek(index);
  
        if (value === "0") {
          if (char === "x" || char === "X") {
            isAllowedDigit = isHexDigit;
            base = 16;
  
            index += 1;
            value += char;
          }
          if (char === "o" || char === "O") {
            isAllowedDigit = isOctalDigit;
            base = 8;
  
            if (!state.inES6(true)) {
              this.trigger("warning", {
                code: "W119",
                line: this.line,
                character: this.char,
                data: [ "Octal integer literal", "6" ]
              });
            }
  
            index += 1;
            value += char;
          }
          if (char === "b" || char === "B") {
            isAllowedDigit = isBinaryDigit;
            base = 2;
  
            if (!state.inES6(true)) {
              this.trigger("warning", {
                code: "W119",
                line: this.line,
                character: this.char,
                data: [ "Binary integer literal", "6" ]
              });
            }
  
            index += 1;
            value += char;
          }
          if (isOctalDigit(char)) {
            isAllowedDigit = isOctalDigit;
            base = 8;
            isLegacy = true;
            bad = false;
  
            index += 1;
            value += char;
          }
  
          if (!isOctalDigit(char) && isDecimalDigit(char)) {
            index += 1;
            value += char;
          }
        }
  
        while (index < length) {
          char = this.peek(index);
  
          if (isLegacy && isDecimalDigit(char)) {
            bad = true;
          } else if (!isAllowedDigit(char)) {
            break;
          }
          value += char;
          index += 1;
        }
  
        if (isAllowedDigit !== isDecimalDigit) {
          if (!isLegacy && value.length <= 2) { // 0x
            return {
              type: Token.NumericLiteral,
              value: value,
              isMalformed: true
            };
          }
  
          if (index < length) {
            char = this.peek(index);
            if (isIdentifierStart(char)) {
              return null;
            }
          }
  
          return {
            type: Token.NumericLiteral,
            value: value,
            base: base,
            isLegacy: isLegacy,
            isMalformed: false
          };
        }
      }
  
      if (char === ".") {
        value += char;
        index += 1;
  
        while (index < length) {
          char = this.peek(index);
          if (!isDecimalDigit(char)) {
            break;
          }
          value += char;
          index += 1;
        }
      }
  
      if (char === "e" || char === "E") {
        value += char;
        index += 1;
        char = this.peek(index);
  
        if (char === "+" || char === "-") {
          value += this.peek(index);
          index += 1;
        }
  
        char = this.peek(index);
        if (isDecimalDigit(char)) {
          value += char;
          index += 1;
  
          while (index < length) {
            char = this.peek(index);
            if (!isDecimalDigit(char)) {
              break;
            }
            value += char;
            index += 1;
          }
        } else {
          return null;
        }
      }
  
      if (index < length) {
        char = this.peek(index);
        if (isIdentifierStart(char)) {
          return null;
        }
      }
  
      return {
        type: Token.NumericLiteral,
        value: value,
        base: base,
        isMalformed: !isFinite(value)
      };
    },
    scanEscapeSequence: function(checks) {
      var allowNewLine = false;
      var jump = 1;
      this.skip();
      var char = this.peek();
  
      switch (char) {
      case "'":
        this.triggerAsync("warning", {
          code: "W114",
          line: this.line,
          character: this.char,
          data: [ "\\'" ]
        }, checks, function() {return state.jsonMode; });
        break;
      case "b":
        char = "\\b";
        break;
      case "f":
        char = "\\f";
        break;
      case "n":
        char = "\\n";
        break;
      case "r":
        char = "\\r";
        break;
      case "t":
        char = "\\t";
        break;
      case "0":
        char = "\\0";
        var n = parseInt(this.peek(1), 10);
        this.triggerAsync("warning", {
          code: "W115",
          line: this.line,
          character: this.char
        }, checks,
        function() { return n >= 0 && n <= 7 && state.isStrict(); });
        break;
      case "u":
        var hexCode = this.input.substr(1, 4);
        var code = parseInt(hexCode, 16);
        if (isNaN(code)) {
          this.trigger("warning", {
            code: "W052",
            line: this.line,
            character: this.char,
            data: [ "u" + hexCode ]
          });
        }
        char = String.fromCharCode(code);
        jump = 5;
        break;
      case "v":
        this.triggerAsync("warning", {
          code: "W114",
          line: this.line,
          character: this.char,
          data: [ "\\v" ]
        }, checks, function() { return state.jsonMode; });
  
        char = "\v";
        break;
      case "x":
        var  x = parseInt(this.input.substr(1, 2), 16);
  
        this.triggerAsync("warning", {
          code: "W114",
          line: this.line,
          character: this.char,
          data: [ "\\x-" ]
        }, checks, function() { return state.jsonMode; });
  
        char = String.fromCharCode(x);
        jump = 3;
        break;
      case "\\":
        char = "\\\\";
        break;
      case "\"":
        char = "\\\"";
        break;
      case "/":
        break;
      case "":
        allowNewLine = true;
        char = "";
        break;
      }
  
      return { char: char, jump: jump, allowNewLine: allowNewLine };
    },
    scanTemplateLiteral: function(checks) {
      var tokenType;
      var value = "";
      var ch;
      var startLine = this.line;
      var startChar = this.char;
      var depth = this.templateStarts.length;
  
      if (!state.inES6(true)) {
        return null;
      } else if (this.peek() === "`") {
        tokenType = Token.TemplateHead;
        this.templateStarts.push({ line: this.line, char: this.char });
        depth = this.templateStarts.length;
        this.skip(1);
        this.pushContext(Context.Template);
      } else if (this.inContext(Context.Template) && this.peek() === "}") {
        tokenType = Token.TemplateMiddle;
      } else {
        return null;
      }
  
      while (this.peek() !== "`") {
        while ((ch = this.peek()) === "") {
          value += "\n";
          if (!this.nextLine()) {
            var startPos = this.templateStarts.pop();
            this.trigger("error", {
              code: "E052",
              line: startPos.line,
              character: startPos.char
            });
            return {
              type: tokenType,
              value: value,
              startLine: startLine,
              startChar: startChar,
              isUnclosed: true,
              depth: depth,
              context: this.popContext()
            };
          }
        }
  
        if (ch === '$' && this.peek(1) === '{') {
          value += '${';
          this.skip(2);
          return {
            type: tokenType,
            value: value,
            startLine: startLine,
            startChar: startChar,
            isUnclosed: false,
            depth: depth,
            context: this.currentContext()
          };
        } else if (ch === '\\') {
          var escape = this.scanEscapeSequence(checks);
          value += escape.char;
          this.skip(escape.jump);
        } else if (ch !== '`') {
          value += ch;
          this.skip(1);
        }
      }
      tokenType = tokenType === Token.TemplateHead ? Token.NoSubstTemplate : Token.TemplateTail;
      this.skip(1);
      this.templateStarts.pop();
  
      return {
        type: tokenType,
        value: value,
        startLine: startLine,
        startChar: startChar,
        isUnclosed: false,
        depth: depth,
        context: this.popContext()
      };
    },
    scanStringLiteral: function(checks) {
      var quote = this.peek();
      if (quote !== "\"" && quote !== "'") {
        return null;
      }
      this.triggerAsync("warning", {
        code: "W108",
        line: this.line,
        character: this.char // +1?
      }, checks, function() { return state.jsonMode && quote !== "\""; });
  
      var value = "";
      var startLine = this.line;
      var startChar = this.char;
      var allowNewLine = false;
  
      this.skip();
  
      while (this.peek() !== quote) {
        if (this.peek() === "") { // End Of Line
  
          if (!allowNewLine) {
            this.trigger("warning", {
              code: "W112",
              line: this.line,
              character: this.char
            });
          } else {
            allowNewLine = false;
  
            this.triggerAsync("warning", {
              code: "W043",
              line: this.line,
              character: this.char
            }, checks, function() { return !state.option.multistr; });
  
            this.triggerAsync("warning", {
              code: "W042",
              line: this.line,
              character: this.char
            }, checks, function() { return state.jsonMode && state.option.multistr; });
          }
  
          if (!this.nextLine()) {
            this.trigger("error", {
              code: "E029",
              line: startLine,
              character: startChar
            });
  
            return {
              type: Token.StringLiteral,
              value: value,
              startLine: startLine,
              startChar: startChar,
              isUnclosed: true,
              quote: quote
            };
          }
  
        } else { // Any character other than End Of Line
  
          allowNewLine = false;
          var char = this.peek();
          var jump = 1; // A length of a jump, after we're done
  
          if (char < " ") {
            this.trigger("warning", {
              code: "W113",
              line: this.line,
              character: this.char,
              data: [ "<non-printable>" ]
            });
          }
          if (char === "\\") {
            var parsed = this.scanEscapeSequence(checks);
            char = parsed.char;
            jump = parsed.jump;
            allowNewLine = parsed.allowNewLine;
          }
  
          value += char;
          this.skip(jump);
        }
      }
  
      this.skip();
      return {
        type: Token.StringLiteral,
        value: value,
        startLine: startLine,
        startChar: startChar,
        isUnclosed: false,
        quote: quote
      };
    },
    scanRegExp: function() {
      var index = 0;
      var length = this.input.length;
      var char = this.peek();
      var value = char;
      var body = "";
      var flags = [];
      var malformed = false;
      var isCharSet = false;
      var terminated;
  
      var scanUnexpectedChars = function() {
        if (char < " ") {
          malformed = true;
          this.trigger("warning", {
            code: "W048",
            line: this.line,
            character: this.char
          });
        }
        if (char === "<") {
          malformed = true;
          this.trigger("warning", {
            code: "W049",
            line: this.line,
            character: this.char,
            data: [ char ]
          });
        }
      }.bind(this);
      if (!this.prereg || char !== "/") {
        return null;
      }
  
      index += 1;
      terminated = false;
  
      while (index < length) {
        char = this.peek(index);
        value += char;
        body += char;
  
        if (isCharSet) {
          if (char === "]") {
            if (this.peek(index - 1) !== "\\" || this.peek(index - 2) === "\\") {
              isCharSet = false;
            }
          }
  
          if (char === "\\") {
            index += 1;
            char = this.peek(index);
            body += char;
            value += char;
  
            scanUnexpectedChars();
          }
  
          index += 1;
          continue;
        }
  
        if (char === "\\") {
          index += 1;
          char = this.peek(index);
          body += char;
          value += char;
  
          scanUnexpectedChars();
  
          if (char === "/") {
            index += 1;
            continue;
          }
  
          if (char === "[") {
            index += 1;
            continue;
          }
        }
  
        if (char === "[") {
          isCharSet = true;
          index += 1;
          continue;
        }
  
        if (char === "/") {
          body = body.substr(0, body.length - 1);
          terminated = true;
          index += 1;
          break;
        }
  
        index += 1;
      }
  
      if (!terminated) {
        this.trigger("error", {
          code: "E015",
          line: this.line,
          character: this.from
        });
  
        return void this.trigger("fatal", {
          line: this.line,
          from: this.from
        });
      }
  
      while (index < length) {
        char = this.peek(index);
        if (!/[gim]/.test(char)) {
          break;
        }
        flags.push(char);
        value += char;
        index += 1;
      }
  
      try {
        new RegExp(body, flags.join(""));
      } catch (err) {
        malformed = true;
        this.trigger("error", {
          code: "E016",
          line: this.line,
          character: this.char,
          data: [ err.message ] // Platform dependent!
        });
      }
  
      return {
        type: Token.RegExp,
        value: value,
        flags: flags,
        isMalformed: malformed
      };
    },
    scanNonBreakingSpaces: function() {
      return state.option.nonbsp ?
        this.input.search(/(\u00A0)/) : -1;
    },
    scanUnsafeChars: function() {
      return this.input.search(reg.unsafeChars);
    },
    next: function(checks) {
      this.from = this.char;
      var start;
      if (/\s/.test(this.peek())) {
        start = this.char;
  
        while (/\s/.test(this.peek())) {
          this.from += 1;
          this.skip();
        }
      }
  
      var match = this.scanComments() ||
        this.scanStringLiteral(checks) ||
        this.scanTemplateLiteral(checks);
  
      if (match) {
        return match;
      }
  
      match =
        this.scanRegExp() ||
        this.scanPunctuator() ||
        this.scanKeyword() ||
        this.scanIdentifier() ||
        this.scanNumericLiteral();
  
      if (match) {
        this.skip(match.tokenLength || match.value.length);
        return match;
      }
  
      return null;
    },
    nextLine: function() {
      var char;
  
      if (this.line >= this.getLines().length) {
        return false;
      }
  
      this.input = this.getLines()[this.line];
      this.line += 1;
      this.char = 1;
      this.from = 1;
  
      var inputTrimmed = this.input.trim();
  
      var startsWith = function() {
        return _.some(arguments, function(prefix) {
          return inputTrimmed.indexOf(prefix) === 0;
        });
      };
  
      var endsWith = function() {
        return _.some(arguments, function(suffix) {
          return inputTrimmed.indexOf(suffix, inputTrimmed.length - suffix.length) !== -1;
        });
      };
      if (this.ignoringLinterErrors === true) {
        if (!startsWith("/*", "//") && !(this.inComment && endsWith("*/"))) {
          this.input = "";
        }
      }
  
      char = this.scanNonBreakingSpaces();
      if (char >= 0) {
        this.trigger("warning", { code: "W125", line: this.line, character: char + 1 });
      }
  
      this.input = this.input.replace(/\t/g, state.tab);
      char = this.scanUnsafeChars();
  
      if (char >= 0) {
        this.trigger("warning", { code: "W100", line: this.line, character: char });
      }
  
      if (!this.ignoringLinterErrors && state.option.maxlen &&
        state.option.maxlen < this.input.length) {
        var inComment = this.inComment ||
          startsWith.call(inputTrimmed, "//") ||
          startsWith.call(inputTrimmed, "/*");
  
        var shouldTriggerError = !inComment || !reg.maxlenException.test(inputTrimmed);
  
        if (shouldTriggerError) {
          this.trigger("warning", { code: "W101", line: this.line, character: this.input.length });
        }
      }
  
      return true;
    },
    start: function() {
      this.nextLine();
    },
    token: function() {
      var checks = asyncTrigger();
      var token;
  
  
      function isReserved(token, isProperty) {
        if (!token.reserved) {
          return false;
        }
        var meta = token.meta;
  
        if (meta && meta.isFutureReservedWord && state.inES5()) {
          if (!meta.es5) {
            return false;
          }
          if (meta.strictOnly) {
            if (!state.option.strict && !state.isStrict()) {
              return false;
            }
          }
  
          if (isProperty) {
            return false;
          }
        }
  
        return true;
      }
      var create = function(type, value, isProperty, token) {
        var obj;
  
        if (type !== "(endline)" && type !== "(end)") {
          this.prereg = false;
        }
  
        if (type === "(punctuator)") {
          switch (value) {
          case ".":
          case ")":
          case "~":
          case "#":
          case "]":
          case "++":
          case "--":
            this.prereg = false;
            break;
          default:
            this.prereg = true;
          }
  
          obj = Object.create(state.syntax[value] || state.syntax["(error)"]);
        }
  
        if (type === "(identifier)") {
          if (value === "return" || value === "case" || value === "typeof") {
            this.prereg = true;
          }
  
          if (_.has(state.syntax, value)) {
            obj = Object.create(state.syntax[value] || state.syntax["(error)"]);
            if (!isReserved(obj, isProperty && type === "(identifier)")) {
              obj = null;
            }
          }
        }
  
        if (!obj) {
          obj = Object.create(state.syntax[type]);
        }
  
        obj.identifier = (type === "(identifier)");
        obj.type = obj.type || type;
        obj.value = value;
        obj.line = this.line;
        obj.character = this.char;
        obj.from = this.from;
        if (obj.identifier && token) obj.raw_text = token.text || token.value;
        if (token && token.startLine && token.startLine !== this.line) {
          obj.startLine = token.startLine;
        }
        if (token && token.context) {
          obj.context = token.context;
        }
        if (token && token.depth) {
          obj.depth = token.depth;
        }
        if (token && token.isUnclosed) {
          obj.isUnclosed = token.isUnclosed;
        }
  
        if (isProperty && obj.identifier) {
          obj.isProperty = isProperty;
        }
  
        obj.check = checks.check;
  
        return obj;
      }.bind(this);
  
      for (;;) {
        if (!this.input.length) {
          if (this.nextLine()) {
            return create("(endline)", "");
          }
  
          if (this.exhausted) {
            return null;
          }
  
          this.exhausted = true;
          return create("(end)", "");
        }
  
        token = this.next(checks);
  
        if (!token) {
          if (this.input.length) {
            this.trigger("error", {
              code: "E024",
              line: this.line,
              character: this.char,
              data: [ this.peek() ]
            });
  
            this.input = "";
          }
  
          continue;
        }
  
        switch (token.type) {
        case Token.StringLiteral:
          this.triggerAsync("String", {
            line: this.line,
            char: this.char,
            from: this.from,
            startLine: token.startLine,
            startChar: token.startChar,
            value: token.value,
            quote: token.quote
          }, checks, function() { return true; });
  
          return create("(string)", token.value, null, token);
  
        case Token.TemplateHead:
          this.trigger("TemplateHead", {
            line: this.line,
            char: this.char,
            from: this.from,
            startLine: token.startLine,
            startChar: token.startChar,
            value: token.value
          });
          return create("(template)", token.value, null, token);
  
        case Token.TemplateMiddle:
          this.trigger("TemplateMiddle", {
            line: this.line,
            char: this.char,
            from: this.from,
            startLine: token.startLine,
            startChar: token.startChar,
            value: token.value
          });
          return create("(template middle)", token.value, null, token);
  
        case Token.TemplateTail:
          this.trigger("TemplateTail", {
            line: this.line,
            char: this.char,
            from: this.from,
            startLine: token.startLine,
            startChar: token.startChar,
            value: token.value
          });
          return create("(template tail)", token.value, null, token);
  
        case Token.NoSubstTemplate:
          this.trigger("NoSubstTemplate", {
            line: this.line,
            char: this.char,
            from: this.from,
            startLine: token.startLine,
            startChar: token.startChar,
            value: token.value
          });
          return create("(no subst template)", token.value, null, token);
  
        case Token.Identifier:
          this.triggerAsync("Identifier", {
            line: this.line,
            char: this.char,
            from: this.form,
            name: token.value,
            raw_name: token.text,
            isProperty: state.tokens.curr.id === "."
          }, checks, function() { return true; });
        case Token.Keyword:
        case Token.NullLiteral:
        case Token.BooleanLiteral:
          return create("(identifier)", token.value, state.tokens.curr.id === ".", token);
  
        case Token.NumericLiteral:
          if (token.isMalformed) {
            this.trigger("warning", {
              code: "W045",
              line: this.line,
              character: this.char,
              data: [ token.value ]
            });
          }
  
          this.triggerAsync("warning", {
            code: "W114",
            line: this.line,
            character: this.char,
            data: [ "0x-" ]
          }, checks, function() { return token.base === 16 && state.jsonMode; });
  
          this.triggerAsync("warning", {
            code: "W115",
            line: this.line,
            character: this.char
          }, checks, function() {
            return state.isStrict() && token.base === 8 && token.isLegacy;
          });
  
          this.trigger("Number", {
            line: this.line,
            char: this.char,
            from: this.from,
            value: token.value,
            base: token.base,
            isMalformed: token.malformed
          });
  
          return create("(number)", token.value);
  
        case Token.RegExp:
          return create("(regexp)", token.value);
  
        case Token.Comment:
          state.tokens.curr.comment = true;
  
          if (token.isSpecial) {
            return {
              id: '(comment)',
              value: token.value,
              body: token.body,
              type: token.commentType,
              isSpecial: token.isSpecial,
              line: this.line,
              character: this.char,
              from: this.from
            };
          }
  
          break;
  
        case "":
          break;
  
        default:
          return create("(punctuator)", token.value);
        }
      }
    }
  };
  
  exports.Lexer = Lexer;
  exports.Context = Context;
  
  },{"../data/ascii-identifier-data.js":"/node_modules/jshint/data/ascii-identifier-data.js","../lodash":"/node_modules/jshint/lodash.js","./reg.js":"/node_modules/jshint/src/reg.js","./state.js":"/node_modules/jshint/src/state.js","events":"/node_modules/browserify/node_modules/events/events.js"}],"/node_modules/jshint/src/messages.js":[function(_dereq_,module,exports){
  "use strict";
  
  var _ = _dereq_("../lodash");
  
  var errors = {
    E001: "Bad option: '{a}'.",
    E002: "Bad option value.",
    E003: "Expected a JSON value.",
    E004: "Input is neither a string nor an array of strings.",
    E005: "Input is empty.",
    E006: "Unexpected early end of program.",
    E007: "Missing \"use strict\" statement.",
    E008: "Strict violation.",
    E009: "Option 'validthis' can't be used in a global scope.",
    E010: "'with' is not allowed in strict mode.",
    E011: "'{a}' has already been declared.",
    E012: "const '{a}' is initialized to 'undefined'.",
    E013: "Attempting to override '{a}' which is a constant.",
    E014: "A regular expression literal can be confused with '/='.",
    E015: "Unclosed regular expression.",
    E016: "Invalid regular expression.",
    E017: "Unclosed comment.",
    E018: "Unbegun comment.",
    E019: "Unmatched '{a}'.",
    E020: "Expected '{a}' to match '{b}' from line {c} and instead saw '{d}'.",
    E021: "Expected '{a}' and instead saw '{b}'.",
    E022: "Line breaking error '{a}'.",
    E023: "Missing '{a}'.",
    E024: "Unexpected '{a}'.",
    E025: "Missing ':' on a case clause.",
    E026: "Missing '}' to match '{' from line {a}.",
    E027: "Missing ']' to match '[' from line {a}.",
    E028: "Illegal comma.",
    E029: "Unclosed string.",
    E030: "Expected an identifier and instead saw '{a}'.",
    E031: "Bad assignment.", // FIXME: Rephrase
    E032: "Expected a small integer or 'false' and instead saw '{a}'.",
    E033: "Expected an operator and instead saw '{a}'.",
    E034: "get/set are ES5 features.",
    E035: "Missing property name.",
    E036: "Expected to see a statement and instead saw a block.",
    E037: null,
    E038: null,
    E039: "Function declarations are not invocable. Wrap the whole function invocation in parens.",
    E040: "Each value should have its own case label.",
    E041: "Unrecoverable syntax error.",
    E042: "Stopping.",
    E043: "Too many errors.",
    E044: null,
    E045: "Invalid for each loop.",
    E046: "A yield statement shall be within a generator function (with syntax: `function*`)",
    E047: null,
    E048: "{a} declaration not directly within block.",
    E049: "A {a} cannot be named '{b}'.",
    E050: "Mozilla requires the yield expression to be parenthesized here.",
    E051: null,
    E052: "Unclosed template literal.",
    E053: "Export declaration must be in global scope.",
    E054: "Class properties must be methods. Expected '(' but instead saw '{a}'.",
    E055: "The '{a}' option cannot be set after any executable code.",
    E056: "'{a}' was used before it was declared, which is illegal for '{b}' variables.",
    E057: "Invalid meta property: '{a}.{b}'.",
    E058: "Missing semicolon."
  };
  
  var warnings = {
    W001: "'hasOwnProperty' is a really bad name.",
    W002: "Value of '{a}' may be overwritten in IE 8 and earlier.",
    W003: "'{a}' was used before it was defined.",
    W004: "'{a}' is already defined.",
    W005: "A dot following a number can be confused with a decimal point.",
    W006: "Confusing minuses.",
    W007: "Confusing plusses.",
    W008: "A leading decimal point can be confused with a dot: '{a}'.",
    W009: "The array literal notation [] is preferable.",
    W010: "The object literal notation {} is preferable.",
    W011: null,
    W012: null,
    W013: null,
    W014: "Bad line breaking before '{a}'.",
    W015: null,
    W016: "Unexpected use of '{a}'.",
    W017: "Bad operand.",
    W018: "Confusing use of '{a}'.",
    W019: "Use the isNaN function to compare with NaN.",
    W020: "Read only.",
    W021: "Reassignment of '{a}', which is is a {b}. " +
      "Use 'var' or 'let' to declare bindings that may change.",
    W022: "Do not assign to the exception parameter.",
    W023: "Expected an identifier in an assignment and instead saw a function invocation.",
    W024: "Expected an identifier and instead saw '{a}' (a reserved word).",
    W025: "Missing name in function declaration.",
    W026: "Inner functions should be listed at the top of the outer function.",
    W027: "Unreachable '{a}' after '{b}'.",
    W028: "Label '{a}' on {b} statement.",
    W030: "Expected an assignment or function call and instead saw an expression.",
    W031: "Do not use 'new' for side effects.",
    W032: "Unnecessary semicolon.",
    W033: "Missing semicolon.",
    W034: "Unnecessary directive \"{a}\".",
    W035: "Empty block.",
    W036: "Unexpected /*member '{a}'.",
    W037: "'{a}' is a statement label.",
    W038: "'{a}' used out of scope.",
    W039: "'{a}' is not allowed.",
    W040: "Possible strict violation.",
    W041: "Use '{a}' to compare with '{b}'.",
    W042: "Avoid EOL escaping.",
    W043: "Bad escaping of EOL. Use option multistr if needed.",
    W044: "Bad or unnecessary escaping.", /* TODO(caitp): remove W044 */
    W045: "Bad number '{a}'.",
    W046: "Don't use extra leading zeros '{a}'.",
    W047: "A trailing decimal point can be confused with a dot: '{a}'.",
    W048: "Unexpected control character in regular expression.",
    W049: "Unexpected escaped character '{a}' in regular expression.",
    W050: "JavaScript URL.",
    W051: "Variables should not be deleted.",
    W052: "Unexpected '{a}'.",
    W053: "Do not use {a} as a constructor.",
    W054: "The Function constructor is a form of eval.",
    W055: "A constructor name should start with an uppercase letter.",
    W056: "Bad constructor.",
    W057: "Weird construction. Is 'new' necessary?",
    W058: "Missing '()' invoking a constructor.",
    W059: "Avoid arguments.{a}.",
    W060: "document.write can be a form of eval.",
    W061: "eval can be harmful.",
    W062: "Wrap an immediate function invocation in parens " +
      "to assist the reader in understanding that the expression " +
      "is the result of a function, and not the function itself.",
    W063: "Math is not a function.",
    W064: "Missing 'new' prefix when invoking a constructor.",
    W065: "Missing radix parameter.",
    W066: "Implied eval. Consider passing a function instead of a string.",
    W067: "Bad invocation.",
    W068: "Wrapping non-IIFE function literals in parens is unnecessary.",
    W069: "['{a}'] is better written in dot notation.",
    W070: "Extra comma. (it breaks older versions of IE)",
    W071: "This function has too many statements. ({a})",
    W072: "This function has too many parameters. ({a})",
    W073: "Blocks are nested too deeply. ({a})",
    W074: "This function's cyclomatic complexity is too high. ({a})",
    W075: "Duplicate {a} '{b}'.",
    W076: "Unexpected parameter '{a}' in get {b} function.",
    W077: "Expected a single parameter in set {a} function.",
    W078: "Setter is defined without getter.",
    W079: "Redefinition of '{a}'.",
    W080: "It's not necessary to initialize '{a}' to 'undefined'.",
    W081: null,
    W082: "Function declarations should not be placed in blocks. " +
      "Use a function expression or move the statement to the top of " +
      "the outer function.",
    W083: "Don't make functions within a loop.",
    W084: "Assignment in conditional expression",
    W085: "Don't use 'with'.",
    W086: "Expected a 'break' statement before '{a}'.",
    W087: "Forgotten 'debugger' statement?",
    W088: "Creating global 'for' variable. Should be 'for (var {a} ...'.",
    W089: "The body of a for in should be wrapped in an if statement to filter " +
      "unwanted properties from the prototype.",
    W090: "'{a}' is not a statement label.",
    W091: null,
    W093: "Did you mean to return a conditional instead of an assignment?",
    W094: "Unexpected comma.",
    W095: "Expected a string and instead saw {a}.",
    W096: "The '{a}' key may produce unexpected results.",
    W097: "Use the function form of \"use strict\".",
    W098: "'{a}' is defined but never used.",
    W099: null,
    W100: "This character may get silently deleted by one or more browsers.",
    W101: "Line is too long.",
    W102: null,
    W103: "The '{a}' property is deprecated.",
    W104: "'{a}' is available in ES{b} (use 'esversion: {b}') or Mozilla JS extensions (use moz).",
    W105: "Unexpected {a} in '{b}'.",
    W106: "Identifier '{a}' is not in camel case.",
    W107: "Script URL.",
    W108: "Strings must use doublequote.",
    W109: "Strings must use singlequote.",
    W110: "Mixed double and single quotes.",
    W112: "Unclosed string.",
    W113: "Control character in string: {a}.",
    W114: "Avoid {a}.",
    W115: "Octal literals are not allowed in strict mode.",
    W116: "Expected '{a}' and instead saw '{b}'.",
    W117: "'{a}' is not defined.",
    W118: "'{a}' is only available in Mozilla JavaScript extensions (use moz option).",
    W119: "'{a}' is only available in ES{b} (use 'esversion: {b}').",
    W120: "You might be leaking a variable ({a}) here.",
    W121: "Extending prototype of native object: '{a}'.",
    W122: "Invalid typeof value '{a}'",
    W123: "'{a}' is already defined in outer scope.",
    W124: "A generator function shall contain a yield statement.",
    W125: "This line contains non-breaking spaces: http://jshint.com/doc/options/#nonbsp",
    W126: "Unnecessary grouping operator.",
    W127: "Unexpected use of a comma operator.",
    W128: "Empty array elements require elision=true.",
    W129: "'{a}' is defined in a future version of JavaScript. Use a " +
      "different variable name to avoid migration issues.",
    W130: "Invalid element after rest element.",
    W131: "Invalid parameter after rest parameter.",
    W132: "`var` declarations are forbidden. Use `let` or `const` instead.",
    W133: "Invalid for-{a} loop left-hand-side: {b}.",
    W134: "The '{a}' option is only available when linting ECMAScript {b} code.",
    W135: "{a} may not be supported by non-browser environments.",
    W136: "'{a}' must be in function scope.",
    W137: "Empty destructuring.",
    W138: "Regular parameters should not come after default parameters."
  };
  
  var info = {
    I001: "Comma warnings can be turned off with 'laxcomma'.",
    I002: null,
    I003: "ES5 option is now set per default"
  };
  
  exports.errors = {};
  exports.warnings = {};
  exports.info = {};
  
  _.each(errors, function(desc, code) {
    exports.errors[code] = { code: code, desc: desc };
  });
  
  _.each(warnings, function(desc, code) {
    exports.warnings[code] = { code: code, desc: desc };
  });
  
  _.each(info, function(desc, code) {
    exports.info[code] = { code: code, desc: desc };
  });
  
  },{"../lodash":"/node_modules/jshint/lodash.js"}],"/node_modules/jshint/src/name-stack.js":[function(_dereq_,module,exports){
  "use strict";
  
  function NameStack() {
    this._stack = [];
  }
  
  Object.defineProperty(NameStack.prototype, "length", {
    get: function() {
      return this._stack.length;
    }
  });
  NameStack.prototype.push = function() {
    this._stack.push(null);
  };
  NameStack.prototype.pop = function() {
    this._stack.pop();
  };
  NameStack.prototype.set = function(token) {
    this._stack[this.length - 1] = token;
  };
  NameStack.prototype.infer = function() {
    var nameToken = this._stack[this.length - 1];
    var prefix = "";
    var type;
    if (!nameToken || nameToken.type === "class") {
      nameToken = this._stack[this.length - 2];
    }
  
    if (!nameToken) {
      return "(empty)";
    }
  
    type = nameToken.type;
  
    if (type !== "(string)" && type !== "(number)" && type !== "(identifier)" && type !== "default") {
      return "(expression)";
    }
  
    if (nameToken.accessorType) {
      prefix = nameToken.accessorType + " ";
    }
  
    return prefix + nameToken.value;
  };
  
  module.exports = NameStack;
  
  },{}],"/node_modules/jshint/src/options.js":[function(_dereq_,module,exports){
  "use strict";
  exports.bool = {
    enforcing: {
      bitwise     : true,
      freeze      : true,
      camelcase   : true,
      curly       : true,
      eqeqeq      : true,
      futurehostile: true,
      notypeof    : true,
      es3         : true,
      es5         : true,
      forin       : true,
      funcscope   : true,
      immed       : true,
      iterator    : true,
      newcap      : true,
      noarg       : true,
      nocomma     : true,
      noempty     : true,
      nonbsp      : true,
      nonew       : true,
      undef       : true,
      singleGroups: false,
      varstmt: false,
      enforceall : false
    },
    relaxing: {
      asi         : true,
      multistr    : true,
      debug       : true,
      boss        : true,
      evil        : true,
      globalstrict: true,
      plusplus    : true,
      proto       : true,
      scripturl   : true,
      sub         : true,
      supernew    : true,
      laxbreak    : true,
      laxcomma    : true,
      validthis   : true,
      withstmt    : true,
      moz         : true,
      noyield     : true,
      eqnull      : true,
      lastsemic   : true,
      loopfunc    : true,
      expr        : true,
      esnext      : true,
      elision     : true,
    },
    environments: {
      mootools    : true,
      couch       : true,
      jasmine     : true,
      jquery      : true,
      node        : true,
      qunit       : true,
      rhino       : true,
      shelljs     : true,
      prototypejs : true,
      yui         : true,
      mocha       : true,
      module      : true,
      wsh         : true,
      worker      : true,
      nonstandard : true,
      browser     : true,
      browserify  : true,
      devel       : true,
      dojo        : true,
      typed       : true,
      phantom     : true
    },
    obsolete: {
      onecase     : true, // if one case switch statements should be allowed
      regexp      : true, // if the . should not be allowed in regexp literals
      regexdash   : true  // if unescaped first/last dash (-) inside brackets
    }
  };
  exports.val = {
    maxlen       : false,
    indent       : false,
    maxerr       : false,
    predef       : false,
    globals      : false,
    quotmark     : false,
  
    scope        : false,
    maxstatements: false,
    maxdepth     : false,
    maxparams    : false,
    maxcomplexity: false,
    shadow       : false,
    strict      : true,
    unused       : true,
    latedef      : false,
  
    ignore       : false, // start/end ignoring lines of code, bypassing the lexer
  
    ignoreDelimiters: false, // array of start/end delimiters used to ignore
    esversion: 5
  };
  exports.inverted = {
    bitwise : true,
    forin   : true,
    newcap  : true,
    plusplus: true,
    regexp  : true,
    undef   : true,
    eqeqeq  : true,
    strict  : true
  };
  
  exports.validNames = Object.keys(exports.val)
    .concat(Object.keys(exports.bool.relaxing))
    .concat(Object.keys(exports.bool.enforcing))
    .concat(Object.keys(exports.bool.obsolete))
    .concat(Object.keys(exports.bool.environments));
  exports.renamed = {
    eqeq   : "eqeqeq",
    windows: "wsh",
    sloppy : "strict"
  };
  
  exports.removed = {
    nomen: true,
    onevar: true,
    passfail: true,
    white: true,
    gcl: true,
    smarttabs: true,
    trailing: true
  };
  exports.noenforceall = {
    varstmt: true,
    strict: true
  };
  
  },{}],"/node_modules/jshint/src/reg.js":[function(_dereq_,module,exports){
  
  "use strict";
  exports.unsafeString =
    /@cc|<\/?|script|\]\s*\]|<\s*!|&lt/i;
  exports.unsafeChars =
    /[\u0000-\u001f\u007f-\u009f\u00ad\u0600-\u0604\u070f\u17b4\u17b5\u200c-\u200f\u2028-\u202f\u2060-\u206f\ufeff\ufff0-\uffff]/;
  exports.needEsc =
    /[\u0000-\u001f&<"\/\\\u007f-\u009f\u00ad\u0600-\u0604\u070f\u17b4\u17b5\u200c-\u200f\u2028-\u202f\u2060-\u206f\ufeff\ufff0-\uffff]/;
  
  exports.needEscGlobal =
    /[\u0000-\u001f&<"\/\\\u007f-\u009f\u00ad\u0600-\u0604\u070f\u17b4\u17b5\u200c-\u200f\u2028-\u202f\u2060-\u206f\ufeff\ufff0-\uffff]/g;
  exports.starSlash = /\*\//;
  exports.identifier = /^([a-zA-Z_$][a-zA-Z0-9_$]*)$/;
  exports.javascriptURL = /^(?:javascript|jscript|ecmascript|vbscript|livescript)\s*:/i;
  exports.fallsThrough = /^\s*falls?\sthrough\s*$/;
  exports.maxlenException = /^(?:(?:\/\/|\/\*|\*) ?)?[^ ]+$/;
  
  },{}],"/node_modules/jshint/src/scope-manager.js":[function(_dereq_,module,exports){
  "use strict";
  
  var _      = _dereq_("../lodash");
  var events = _dereq_("events");
  var marker = {};
  var scopeManager = function(state, predefined, exported, declared) {
  
    var _current;
    var _scopeStack = [];
  
    function _newScope(type) {
      _current = {
        "(labels)": Object.create(null),
        "(usages)": Object.create(null),
        "(breakLabels)": Object.create(null),
        "(parent)": _current,
        "(type)": type,
        "(params)": (type === "functionparams" || type === "catchparams") ? [] : null
      };
      _scopeStack.push(_current);
    }
  
    _newScope("global");
    _current["(predefined)"] = predefined;
  
    var _currentFunctBody = _current; // this is the block after the params = function
  
    var usedPredefinedAndGlobals = Object.create(null);
    var impliedGlobals = Object.create(null);
    var unuseds = [];
    var emitter = new events.EventEmitter();
  
    function warning(code, token) {
      emitter.emit("warning", {
        code: code,
        token: token,
        data: _.slice(arguments, 2)
      });
    }
  
    function error(code, token) {
      emitter.emit("warning", {
        code: code,
        token: token,
        data: _.slice(arguments, 2)
      });
    }
  
    function _setupUsages(labelName) {
      if (!_current["(usages)"][labelName]) {
        _current["(usages)"][labelName] = {
          "(modified)": [],
          "(reassigned)": [],
          "(tokens)": []
        };
      }
    }
  
    var _getUnusedOption = function(unused_opt) {
      if (unused_opt === undefined) {
        unused_opt = state.option.unused;
      }
  
      if (unused_opt === true) {
        unused_opt = "last-param";
      }
  
      return unused_opt;
    };
  
    var _warnUnused = function(name, tkn, type, unused_opt) {
      var line = tkn.line;
      var chr  = tkn.from;
      var raw_name = tkn.raw_text || name;
  
      unused_opt = _getUnusedOption(unused_opt);
  
      var warnable_types = {
        "vars": ["var"],
        "last-param": ["var", "param"],
        "strict": ["var", "param", "last-param"]
      };
  
      if (unused_opt) {
        if (warnable_types[unused_opt] && warnable_types[unused_opt].indexOf(type) !== -1) {
          warning("W098", { line: line, from: chr }, raw_name);
        }
      }
      if (unused_opt || type === "var") {
        unuseds.push({
          name: name,
          line: line,
          character: chr
        });
      }
    };
    function _checkForUnused() {
      if (_current["(type)"] === "functionparams") {
        _checkParams();
        return;
      }
      var curentLabels = _current["(labels)"];
      for (var labelName in curentLabels) {
        if (curentLabels[labelName]) {
          if (curentLabels[labelName]["(type)"] !== "exception" &&
            curentLabels[labelName]["(unused)"]) {
            _warnUnused(labelName, curentLabels[labelName]["(token)"], "var");
          }
        }
      }
    }
    function _checkParams() {
      var params = _current["(params)"];
  
      if (!params) {
        return;
      }
  
      var param = params.pop();
      var unused_opt;
  
      while (param) {
        var label = _current["(labels)"][param];
  
        unused_opt = _getUnusedOption(state.funct["(unusedOption)"]);
        if (param === "undefined")
          return;
  
        if (label["(unused)"]) {
          _warnUnused(param, label["(token)"], "param", state.funct["(unusedOption)"]);
        } else if (unused_opt === "last-param") {
          return;
        }
  
        param = params.pop();
      }
    }
    function _getLabel(labelName) {
      for (var i = _scopeStack.length - 1 ; i >= 0; --i) {
        var scopeLabels = _scopeStack[i]["(labels)"];
        if (scopeLabels[labelName]) {
          return scopeLabels;
        }
      }
    }
  
    function usedSoFarInCurrentFunction(labelName) {
      for (var i = _scopeStack.length - 1; i >= 0; i--) {
        var current = _scopeStack[i];
        if (current["(usages)"][labelName]) {
          return current["(usages)"][labelName];
        }
        if (current === _currentFunctBody) {
          break;
        }
      }
      return false;
    }
  
    function _checkOuterShadow(labelName, token) {
      if (state.option.shadow !== "outer") {
        return;
      }
  
      var isGlobal = _currentFunctBody["(type)"] === "global",
        isNewFunction = _current["(type)"] === "functionparams";
  
      var outsideCurrentFunction = !isGlobal;
      for (var i = 0; i < _scopeStack.length; i++) {
        var stackItem = _scopeStack[i];
  
        if (!isNewFunction && _scopeStack[i + 1] === _currentFunctBody) {
          outsideCurrentFunction = false;
        }
        if (outsideCurrentFunction && stackItem["(labels)"][labelName]) {
          warning("W123", token, labelName);
        }
        if (stackItem["(breakLabels)"][labelName]) {
          warning("W123", token, labelName);
        }
      }
    }
  
    function _latedefWarning(type, labelName, token) {
      if (state.option.latedef) {
        if ((state.option.latedef === true && type === "function") ||
          type !== "function") {
          warning("W003", token, labelName);
        }
      }
    }
  
    var scopeManagerInst = {
  
      on: function(names, listener) {
        names.split(" ").forEach(function(name) {
          emitter.on(name, listener);
        });
      },
  
      isPredefined: function(labelName) {
        return !this.has(labelName) && _.has(_scopeStack[0]["(predefined)"], labelName);
      },
      stack: function(type) {
        var previousScope = _current;
        _newScope(type);
  
        if (!type && previousScope["(type)"] === "functionparams") {
  
          _current["(isFuncBody)"] = true;
          _current["(context)"] = _currentFunctBody;
          _currentFunctBody = _current;
        }
      },
  
      unstack: function() {
        var subScope = _scopeStack.length > 1 ? _scopeStack[_scopeStack.length - 2] : null;
        var isUnstackingFunctionBody = _current === _currentFunctBody,
          isUnstackingFunctionParams = _current["(type)"] === "functionparams",
          isUnstackingFunctionOuter = _current["(type)"] === "functionouter";
  
        var i, j;
        var currentUsages = _current["(usages)"];
        var currentLabels = _current["(labels)"];
        var usedLabelNameList = Object.keys(currentUsages);
  
        if (currentUsages.__proto__ && usedLabelNameList.indexOf("__proto__") === -1) {
          usedLabelNameList.push("__proto__");
        }
  
        for (i = 0; i < usedLabelNameList.length; i++) {
          var usedLabelName = usedLabelNameList[i];
  
          var usage = currentUsages[usedLabelName];
          var usedLabel = currentLabels[usedLabelName];
          if (usedLabel) {
            var usedLabelType = usedLabel["(type)"];
  
            if (usedLabel["(useOutsideOfScope)"] && !state.option.funcscope) {
              var usedTokens = usage["(tokens)"];
              if (usedTokens) {
                for (j = 0; j < usedTokens.length; j++) {
                  if (usedLabel["(function)"] === usedTokens[j]["(function)"]) {
                    error("W038", usedTokens[j], usedLabelName);
                  }
                }
              }
            }
            _current["(labels)"][usedLabelName]["(unused)"] = false;
            if (usedLabelType === "const" && usage["(modified)"]) {
              for (j = 0; j < usage["(modified)"].length; j++) {
                error("E013", usage["(modified)"][j], usedLabelName);
              }
            }
            if ((usedLabelType === "function" || usedLabelType === "class") &&
                usage["(reassigned)"]) {
              for (j = 0; j < usage["(reassigned)"].length; j++) {
                error("W021", usage["(reassigned)"][j], usedLabelName, usedLabelType);
              }
            }
            continue;
          }
  
          if (isUnstackingFunctionOuter) {
            state.funct["(isCapturing)"] = true;
          }
  
          if (subScope) {
            if (!subScope["(usages)"][usedLabelName]) {
              subScope["(usages)"][usedLabelName] = usage;
              if (isUnstackingFunctionBody) {
                subScope["(usages)"][usedLabelName]["(onlyUsedSubFunction)"] = true;
              }
            } else {
              var subScopeUsage = subScope["(usages)"][usedLabelName];
              subScopeUsage["(modified)"] = subScopeUsage["(modified)"].concat(usage["(modified)"]);
              subScopeUsage["(tokens)"] = subScopeUsage["(tokens)"].concat(usage["(tokens)"]);
              subScopeUsage["(reassigned)"] =
                subScopeUsage["(reassigned)"].concat(usage["(reassigned)"]);
              subScopeUsage["(onlyUsedSubFunction)"] = false;
            }
          } else {
            if (typeof _current["(predefined)"][usedLabelName] === "boolean") {
              delete declared[usedLabelName];
              usedPredefinedAndGlobals[usedLabelName] = marker;
              if (_current["(predefined)"][usedLabelName] === false && usage["(reassigned)"]) {
                for (j = 0; j < usage["(reassigned)"].length; j++) {
                  warning("W020", usage["(reassigned)"][j]);
                }
              }
            }
            else {
              if (usage["(tokens)"]) {
                for (j = 0; j < usage["(tokens)"].length; j++) {
                  var undefinedToken = usage["(tokens)"][j];
                  if (!undefinedToken.forgiveUndef) {
                    if (state.option.undef && !undefinedToken.ignoreUndef) {
                      warning("W117", undefinedToken, usedLabelName);
                    }
                    if (impliedGlobals[usedLabelName]) {
                      impliedGlobals[usedLabelName].line.push(undefinedToken.line);
                    } else {
                      impliedGlobals[usedLabelName] = {
                        name: usedLabelName,
                        line: [undefinedToken.line]
                      };
                    }
                  }
                }
              }
            }
          }
        }
        if (!subScope) {
          Object.keys(declared)
            .forEach(function(labelNotUsed) {
              _warnUnused(labelNotUsed, declared[labelNotUsed], "var");
            });
        }
        if (subScope && !isUnstackingFunctionBody &&
          !isUnstackingFunctionParams && !isUnstackingFunctionOuter) {
          var labelNames = Object.keys(currentLabels);
          for (i = 0; i < labelNames.length; i++) {
  
            var defLabelName = labelNames[i];
            if (!currentLabels[defLabelName]["(blockscoped)"] &&
              currentLabels[defLabelName]["(type)"] !== "exception" &&
              !this.funct.has(defLabelName, { excludeCurrent: true })) {
              subScope["(labels)"][defLabelName] = currentLabels[defLabelName];
              if (_currentFunctBody["(type)"] !== "global") {
                subScope["(labels)"][defLabelName]["(useOutsideOfScope)"] = true;
              }
              delete currentLabels[defLabelName];
            }
          }
        }
  
        _checkForUnused();
  
        _scopeStack.pop();
        if (isUnstackingFunctionBody) {
          _currentFunctBody = _scopeStack[_.findLastIndex(_scopeStack, function(scope) {
            return scope["(isFuncBody)"] || scope["(type)"] === "global";
          })];
        }
  
        _current = subScope;
      },
      addParam: function(labelName, token, type) {
        type = type || "param";
  
        if (type === "exception") {
          var previouslyDefinedLabelType = this.funct.labeltype(labelName);
          if (previouslyDefinedLabelType && previouslyDefinedLabelType !== "exception") {
            if (!state.option.node) {
              warning("W002", state.tokens.next, labelName);
            }
          }
        }
        if (_.has(_current["(labels)"], labelName)) {
          _current["(labels)"][labelName].duplicated = true;
        } else {
          _checkOuterShadow(labelName, token, type);
  
          _current["(labels)"][labelName] = {
            "(type)" : type,
            "(token)": token,
            "(unused)": true };
  
          _current["(params)"].push(labelName);
        }
  
        if (_.has(_current["(usages)"], labelName)) {
          var usage = _current["(usages)"][labelName];
          if (usage["(onlyUsedSubFunction)"]) {
            _latedefWarning(type, labelName, token);
          } else {
            warning("E056", token, labelName, type);
          }
        }
      },
  
      validateParams: function() {
        if (_currentFunctBody["(type)"] === "global") {
          return;
        }
  
        var isStrict = state.isStrict();
        var currentFunctParamScope = _currentFunctBody["(parent)"];
  
        if (!currentFunctParamScope["(params)"]) {
          return;
        }
  
        currentFunctParamScope["(params)"].forEach(function(labelName) {
          var label = currentFunctParamScope["(labels)"][labelName];
  
          if (label && label.duplicated) {
            if (isStrict) {
              warning("E011", label["(token)"], labelName);
            } else if (state.option.shadow !== true) {
              warning("W004", label["(token)"], labelName);
            }
          }
        });
      },
  
      getUsedOrDefinedGlobals: function() {
        var list = Object.keys(usedPredefinedAndGlobals);
        if (usedPredefinedAndGlobals.__proto__ === marker &&
          list.indexOf("__proto__") === -1) {
          list.push("__proto__");
        }
  
        return list;
      },
      getImpliedGlobals: function() {
        var values = _.values(impliedGlobals);
        var hasProto = false;
        if (impliedGlobals.__proto__) {
          hasProto = values.some(function(value) {
            return value.name === "__proto__";
          });
  
          if (!hasProto) {
            values.push(impliedGlobals.__proto__);
          }
        }
  
        return values;
      },
      getUnuseds: function() {
        return unuseds;
      },
  
      has: function(labelName) {
        return Boolean(_getLabel(labelName));
      },
  
      labeltype: function(labelName) {
        var scopeLabels = _getLabel(labelName);
        if (scopeLabels) {
          return scopeLabels[labelName]["(type)"];
        }
        return null;
      },
      addExported: function(labelName) {
        var globalLabels = _scopeStack[0]["(labels)"];
        if (_.has(declared, labelName)) {
          delete declared[labelName];
        } else if (_.has(globalLabels, labelName)) {
          globalLabels[labelName]["(unused)"] = false;
        } else {
          for (var i = 1; i < _scopeStack.length; i++) {
            var scope = _scopeStack[i];
            if (!scope["(type)"]) {
              if (_.has(scope["(labels)"], labelName) &&
                  !scope["(labels)"][labelName]["(blockscoped)"]) {
                scope["(labels)"][labelName]["(unused)"] = false;
                return;
              }
            } else {
              break;
            }
          }
          exported[labelName] = true;
        }
      },
      setExported: function(labelName, token) {
        this.block.use(labelName, token);
      },
      addlabel: function(labelName, opts) {
  
        var type  = opts.type;
        var token = opts.token;
        var isblockscoped = type === "let" || type === "const" || type === "class";
        var isexported    = (isblockscoped ? _current : _currentFunctBody)["(type)"] === "global" &&
                            _.has(exported, labelName);
        _checkOuterShadow(labelName, token, type);
        if (isblockscoped) {
  
          var declaredInCurrentScope = _current["(labels)"][labelName];
          if (!declaredInCurrentScope && _current === _currentFunctBody &&
            _current["(type)"] !== "global") {
            declaredInCurrentScope = !!_currentFunctBody["(parent)"]["(labels)"][labelName];
          }
          if (!declaredInCurrentScope && _current["(usages)"][labelName]) {
            var usage = _current["(usages)"][labelName];
            if (usage["(onlyUsedSubFunction)"]) {
              _latedefWarning(type, labelName, token);
            } else {
              warning("E056", token, labelName, type);
            }
          }
          if (declaredInCurrentScope) {
            warning("E011", token, labelName);
          }
          else if (state.option.shadow === "outer") {
            if (scopeManagerInst.funct.has(labelName)) {
              warning("W004", token, labelName);
            }
          }
  
          scopeManagerInst.block.add(labelName, type, token, !isexported);
  
        } else {
  
          var declaredInCurrentFunctionScope = scopeManagerInst.funct.has(labelName);
          if (!declaredInCurrentFunctionScope && usedSoFarInCurrentFunction(labelName)) {
            _latedefWarning(type, labelName, token);
          }
          if (scopeManagerInst.funct.has(labelName, { onlyBlockscoped: true })) {
            warning("E011", token, labelName);
          } else if (state.option.shadow !== true) {
            if (declaredInCurrentFunctionScope && labelName !== "__proto__") {
              if (_currentFunctBody["(type)"] !== "global") {
                warning("W004", token, labelName);
              }
            }
          }
  
          scopeManagerInst.funct.add(labelName, type, token, !isexported);
  
          if (_currentFunctBody["(type)"] === "global") {
            usedPredefinedAndGlobals[labelName] = marker;
          }
        }
      },
  
      funct: {
        labeltype: function(labelName, options) {
          var onlyBlockscoped = options && options.onlyBlockscoped;
          var excludeParams = options && options.excludeParams;
          var currentScopeIndex = _scopeStack.length - (options && options.excludeCurrent ? 2 : 1);
          for (var i = currentScopeIndex; i >= 0; i--) {
            var current = _scopeStack[i];
            if (current["(labels)"][labelName] &&
              (!onlyBlockscoped || current["(labels)"][labelName]["(blockscoped)"])) {
              return current["(labels)"][labelName]["(type)"];
            }
            var scopeCheck = excludeParams ? _scopeStack[ i - 1 ] : current;
            if (scopeCheck && scopeCheck["(type)"] === "functionparams") {
              return null;
            }
          }
          return null;
        },
        hasBreakLabel: function(labelName) {
          for (var i = _scopeStack.length - 1; i >= 0; i--) {
            var current = _scopeStack[i];
  
            if (current["(breakLabels)"][labelName]) {
              return true;
            }
            if (current["(type)"] === "functionparams") {
              return false;
            }
          }
          return false;
        },
        has: function(labelName, options) {
          return Boolean(this.labeltype(labelName, options));
        },
        add: function(labelName, type, tok, unused) {
          _current["(labels)"][labelName] = {
            "(type)" : type,
            "(token)": tok,
            "(blockscoped)": false,
            "(function)": _currentFunctBody,
            "(unused)": unused };
        }
      },
  
      block: {
        isGlobal: function() {
          return _current["(type)"] === "global";
        },
  
        use: function(labelName, token) {
          var paramScope = _currentFunctBody["(parent)"];
          if (paramScope && paramScope["(labels)"][labelName] &&
            paramScope["(labels)"][labelName]["(type)"] === "param") {
            if (!scopeManagerInst.funct.has(labelName,
                  { excludeParams: true, onlyBlockscoped: true })) {
              paramScope["(labels)"][labelName]["(unused)"] = false;
            }
          }
  
          if (token && (state.ignored.W117 || state.option.undef === false)) {
            token.ignoreUndef = true;
          }
  
          _setupUsages(labelName);
  
          if (token) {
            token["(function)"] = _currentFunctBody;
            _current["(usages)"][labelName]["(tokens)"].push(token);
          }
        },
  
        reassign: function(labelName, token) {
  
          this.modify(labelName, token);
  
          _current["(usages)"][labelName]["(reassigned)"].push(token);
        },
  
        modify: function(labelName, token) {
  
          _setupUsages(labelName);
  
          _current["(usages)"][labelName]["(modified)"].push(token);
        },
        add: function(labelName, type, tok, unused) {
          _current["(labels)"][labelName] = {
            "(type)" : type,
            "(token)": tok,
            "(blockscoped)": true,
            "(unused)": unused };
        },
  
        addBreakLabel: function(labelName, opts) {
          var token = opts.token;
          if (scopeManagerInst.funct.hasBreakLabel(labelName)) {
            warning("E011", token, labelName);
          }
          else if (state.option.shadow === "outer") {
            if (scopeManagerInst.funct.has(labelName)) {
              warning("W004", token, labelName);
            } else {
              _checkOuterShadow(labelName, token);
            }
          }
          _current["(breakLabels)"][labelName] = token;
        }
      }
    };
    return scopeManagerInst;
  };
  
  module.exports = scopeManager;
  
  },{"../lodash":"/node_modules/jshint/lodash.js","events":"/node_modules/browserify/node_modules/events/events.js"}],"/node_modules/jshint/src/state.js":[function(_dereq_,module,exports){
  "use strict";
  var NameStack = _dereq_("./name-stack.js");
  
  var state = {
    syntax: {},
    isStrict: function() {
      return this.directive["use strict"] || this.inClassBody ||
        this.option.module || this.option.strict === "implied";
    },
  
    inMoz: function() {
      return this.option.moz;
    },
    inES6: function() {
      return this.option.moz || this.option.esversion >= 6;
    },
    inES5: function(strict) {
      if (strict) {
        return (!this.option.esversion || this.option.esversion === 5) && !this.option.moz;
      }
      return !this.option.esversion || this.option.esversion >= 5 || this.option.moz;
    },
  
  
    reset: function() {
      this.tokens = {
        prev: null,
        next: null,
        curr: null
      };
  
      this.option = {};
      this.funct = null;
      this.ignored = {};
      this.directive = {};
      this.jsonMode = false;
      this.jsonWarnings = [];
      this.lines = [];
      this.tab = "";
      this.cache = {}; // Node.JS doesn't have Map. Sniff.
      this.ignoredLines = {};
      this.forinifcheckneeded = false;
      this.nameStack = new NameStack();
      this.inClassBody = false;
    }
  };
  
  exports.state = state;
  
  },{"./name-stack.js":"/node_modules/jshint/src/name-stack.js"}],"/node_modules/jshint/src/style.js":[function(_dereq_,module,exports){
  "use strict";
  
  exports.register = function(linter) {
  
    linter.on("Identifier", function style_scanProto(data) {
      if (linter.getOption("proto")) {
        return;
      }
  
      if (data.name === "__proto__") {
        linter.warn("W103", {
          line: data.line,
          char: data.char,
          data: [ data.name, "6" ]
        });
      }
    });
  
    linter.on("Identifier", function style_scanIterator(data) {
      if (linter.getOption("iterator")) {
        return;
      }
  
      if (data.name === "__iterator__") {
        linter.warn("W103", {
          line: data.line,
          char: data.char,
          data: [ data.name ]
        });
      }
    });
  
    linter.on("Identifier", function style_scanCamelCase(data) {
      if (!linter.getOption("camelcase")) {
        return;
      }
  
      if (data.name.replace(/^_+|_+$/g, "").indexOf("_") > -1 && !data.name.match(/^[A-Z0-9_]*$/)) {
        linter.warn("W106", {
          line: data.line,
          char: data.from,
          data: [ data.name ]
        });
      }
    });
  
    linter.on("String", function style_scanQuotes(data) {
      var quotmark = linter.getOption("quotmark");
      var code;
  
      if (!quotmark) {
        return;
      }
  
      if (quotmark === "single" && data.quote !== "'") {
        code = "W109";
      }
  
      if (quotmark === "double" && data.quote !== "\"") {
        code = "W108";
      }
  
      if (quotmark === true) {
        if (!linter.getCache("quotmark")) {
          linter.setCache("quotmark", data.quote);
        }
  
        if (linter.getCache("quotmark") !== data.quote) {
          code = "W110";
        }
      }
  
      if (code) {
        linter.warn(code, {
          line: data.line,
          char: data.char,
        });
      }
    });
  
    linter.on("Number", function style_scanNumbers(data) {
      if (data.value.charAt(0) === ".") {
        linter.warn("W008", {
          line: data.line,
          char: data.char,
          data: [ data.value ]
        });
      }
  
      if (data.value.substr(data.value.length - 1) === ".") {
        linter.warn("W047", {
          line: data.line,
          char: data.char,
          data: [ data.value ]
        });
      }
  
      if (/^00+/.test(data.value)) {
        linter.warn("W046", {
          line: data.line,
          char: data.char,
          data: [ data.value ]
        });
      }
    });
  
    linter.on("String", function style_scanJavaScriptURLs(data) {
      var re = /^(?:javascript|jscript|ecmascript|vbscript|livescript)\s*:/i;
  
      if (linter.getOption("scripturl")) {
        return;
      }
  
      if (re.test(data.value)) {
        linter.warn("W107", {
          line: data.line,
          char: data.char
        });
      }
    });
  };
  
  },{}],"/node_modules/jshint/src/vars.js":[function(_dereq_,module,exports){
  
  "use strict";
  
  exports.reservedVars = {
    arguments : false,
    NaN       : false
  };
  
  exports.ecmaIdentifiers = {
    3: {
      Array              : false,
      Boolean            : false,
      Date               : false,
      decodeURI          : false,
      decodeURIComponent : false,
      encodeURI          : false,
      encodeURIComponent : false,
      Error              : false,
      "eval"             : false,
      EvalError          : false,
      Function           : false,
      hasOwnProperty     : false,
      isFinite           : false,
      isNaN              : false,
      Math               : false,
      Number             : false,
      Object             : false,
      parseInt           : false,
      parseFloat         : false,
      RangeError         : false,
      ReferenceError     : false,
      RegExp             : false,
      String             : false,
      SyntaxError        : false,
      TypeError          : false,
      URIError           : false
    },
    5: {
      JSON               : false
    },
    6: {
      Map                : false,
      Promise            : false,
      Proxy              : false,
      Reflect            : false,
      Set                : false,
      Symbol             : false,
      WeakMap            : false,
      WeakSet            : false
    }
  };
  
  exports.browser = {
    Audio                : false,
    Blob                 : false,
    addEventListener     : false,
    applicationCache     : false,
    atob                 : false,
    blur                 : false,
    btoa                 : false,
    cancelAnimationFrame : false,
    CanvasGradient       : false,
    CanvasPattern        : false,
    CanvasRenderingContext2D: false,
    CSS                  : false,
    clearInterval        : false,
    clearTimeout         : false,
    close                : false,
    closed               : false,
    Comment              : false,
    CustomEvent          : false,
    DOMParser            : false,
    defaultStatus        : false,
    Document             : false,
    document             : false,
    DocumentFragment     : false,
    Element              : false,
    ElementTimeControl   : false,
    Event                : false,
    event                : false,
    fetch                : false,
    FileReader           : false,
    FormData             : false,
    focus                : false,
    frames               : false,
    getComputedStyle     : false,
    HTMLElement          : false,
    HTMLAnchorElement    : false,
    HTMLBaseElement      : false,
    HTMLBlockquoteElement: false,
    HTMLBodyElement      : false,
    HTMLBRElement        : false,
    HTMLButtonElement    : false,
    HTMLCanvasElement    : false,
    HTMLCollection       : false,
    HTMLDirectoryElement : false,
    HTMLDivElement       : false,
    HTMLDListElement     : false,
    HTMLFieldSetElement  : false,
    HTMLFontElement      : false,
    HTMLFormElement      : false,
    HTMLFrameElement     : false,
    HTMLFrameSetElement  : false,
    HTMLHeadElement      : false,
    HTMLHeadingElement   : false,
    HTMLHRElement        : false,
    HTMLHtmlElement      : false,
    HTMLIFrameElement    : false,
    HTMLImageElement     : false,
    HTMLInputElement     : false,
    HTMLIsIndexElement   : false,
    HTMLLabelElement     : false,
    HTMLLayerElement     : false,
    HTMLLegendElement    : false,
    HTMLLIElement        : false,
    HTMLLinkElement      : false,
    HTMLMapElement       : false,
    HTMLMenuElement      : false,
    HTMLMetaElement      : false,
    HTMLModElement       : false,
    HTMLObjectElement    : false,
    HTMLOListElement     : false,
    HTMLOptGroupElement  : false,
    HTMLOptionElement    : false,
    HTMLParagraphElement : false,
    HTMLParamElement     : false,
    HTMLPreElement       : false,
    HTMLQuoteElement     : false,
    HTMLScriptElement    : false,
    HTMLSelectElement    : false,
    HTMLStyleElement     : false,
    HTMLTableCaptionElement: false,
    HTMLTableCellElement : false,
    HTMLTableColElement  : false,
    HTMLTableElement     : false,
    HTMLTableRowElement  : false,
    HTMLTableSectionElement: false,
    HTMLTemplateElement  : false,
    HTMLTextAreaElement  : false,
    HTMLTitleElement     : false,
    HTMLUListElement     : false,
    HTMLVideoElement     : false,
    history              : false,
    Image                : false,
    Intl                 : false,
    length               : false,
    localStorage         : false,
    location             : false,
    matchMedia           : false,
    MessageChannel       : false,
    MessageEvent         : false,
    MessagePort          : false,
    MouseEvent           : false,
    moveBy               : false,
    moveTo               : false,
    MutationObserver     : false,
    name                 : false,
    Node                 : false,
    NodeFilter           : false,
    NodeList             : false,
    Notification         : false,
    navigator            : false,
    onbeforeunload       : true,
    onblur               : true,
    onerror              : true,
    onfocus              : true,
    onload               : true,
    onresize             : true,
    onunload             : true,
    open                 : false,
    openDatabase         : false,
    opener               : false,
    Option               : false,
    parent               : false,
    performance          : false,
    print                : false,
    Range                : false,
    requestAnimationFrame : false,
    removeEventListener  : false,
    resizeBy             : false,
    resizeTo             : false,
    screen               : false,
    scroll               : false,
    scrollBy             : false,
    scrollTo             : false,
    sessionStorage       : false,
    setInterval          : false,
    setTimeout           : false,
    SharedWorker         : false,
    status               : false,
    SVGAElement          : false,
    SVGAltGlyphDefElement: false,
    SVGAltGlyphElement   : false,
    SVGAltGlyphItemElement: false,
    SVGAngle             : false,
    SVGAnimateColorElement: false,
    SVGAnimateElement    : false,
    SVGAnimateMotionElement: false,
    SVGAnimateTransformElement: false,
    SVGAnimatedAngle     : false,
    SVGAnimatedBoolean   : false,
    SVGAnimatedEnumeration: false,
    SVGAnimatedInteger   : false,
    SVGAnimatedLength    : false,
    SVGAnimatedLengthList: false,
    SVGAnimatedNumber    : false,
    SVGAnimatedNumberList: false,
    SVGAnimatedPathData  : false,
    SVGAnimatedPoints    : false,
    SVGAnimatedPreserveAspectRatio: false,
    SVGAnimatedRect      : false,
    SVGAnimatedString    : false,
    SVGAnimatedTransformList: false,
    SVGAnimationElement  : false,
    SVGCSSRule           : false,
    SVGCircleElement     : false,
    SVGClipPathElement   : false,
    SVGColor             : false,
    SVGColorProfileElement: false,
    SVGColorProfileRule  : false,
    SVGComponentTransferFunctionElement: false,
    SVGCursorElement     : false,
    SVGDefsElement       : false,
    SVGDescElement       : false,
    SVGDocument          : false,
    SVGElement           : false,
    SVGElementInstance   : false,
    SVGElementInstanceList: false,
    SVGEllipseElement    : false,
    SVGExternalResourcesRequired: false,
    SVGFEBlendElement    : false,
    SVGFEColorMatrixElement: false,
    SVGFEComponentTransferElement: false,
    SVGFECompositeElement: false,
    SVGFEConvolveMatrixElement: false,
    SVGFEDiffuseLightingElement: false,
    SVGFEDisplacementMapElement: false,
    SVGFEDistantLightElement: false,
    SVGFEFloodElement    : false,
    SVGFEFuncAElement    : false,
    SVGFEFuncBElement    : false,
    SVGFEFuncGElement    : false,
    SVGFEFuncRElement    : false,
    SVGFEGaussianBlurElement: false,
    SVGFEImageElement    : false,
    SVGFEMergeElement    : false,
    SVGFEMergeNodeElement: false,
    SVGFEMorphologyElement: false,
    SVGFEOffsetElement   : false,
    SVGFEPointLightElement: false,
    SVGFESpecularLightingElement: false,
    SVGFESpotLightElement: false,
    SVGFETileElement     : false,
    SVGFETurbulenceElement: false,
    SVGFilterElement     : false,
    SVGFilterPrimitiveStandardAttributes: false,
    SVGFitToViewBox      : false,
    SVGFontElement       : false,
    SVGFontFaceElement   : false,
    SVGFontFaceFormatElement: false,
    SVGFontFaceNameElement: false,
    SVGFontFaceSrcElement: false,
    SVGFontFaceUriElement: false,
    SVGForeignObjectElement: false,
    SVGGElement          : false,
    SVGGlyphElement      : false,
    SVGGlyphRefElement   : false,
    SVGGradientElement   : false,
    SVGHKernElement      : false,
    SVGICCColor          : false,
    SVGImageElement      : false,
    SVGLangSpace         : false,
    SVGLength            : false,
    SVGLengthList        : false,
    SVGLineElement       : false,
    SVGLinearGradientElement: false,
    SVGLocatable         : false,
    SVGMPathElement      : false,
    SVGMarkerElement     : false,
    SVGMaskElement       : false,
    SVGMatrix            : false,
    SVGMetadataElement   : false,
    SVGMissingGlyphElement: false,
    SVGNumber            : false,
    SVGNumberList        : false,
    SVGPaint             : false,
    SVGPathElement       : false,
    SVGPathSeg           : false,
    SVGPathSegArcAbs     : false,
    SVGPathSegArcRel     : false,
    SVGPathSegClosePath  : false,
    SVGPathSegCurvetoCubicAbs: false,
    SVGPathSegCurvetoCubicRel: false,
    SVGPathSegCurvetoCubicSmoothAbs: false,
    SVGPathSegCurvetoCubicSmoothRel: false,
    SVGPathSegCurvetoQuadraticAbs: false,
    SVGPathSegCurvetoQuadraticRel: false,
    SVGPathSegCurvetoQuadraticSmoothAbs: false,
    SVGPathSegCurvetoQuadraticSmoothRel: false,
    SVGPathSegLinetoAbs  : false,
    SVGPathSegLinetoHorizontalAbs: false,
    SVGPathSegLinetoHorizontalRel: false,
    SVGPathSegLinetoRel  : false,
    SVGPathSegLinetoVerticalAbs: false,
    SVGPathSegLinetoVerticalRel: false,
    SVGPathSegList       : false,
    SVGPathSegMovetoAbs  : false,
    SVGPathSegMovetoRel  : false,
    SVGPatternElement    : false,
    SVGPoint             : false,
    SVGPointList         : false,
    SVGPolygonElement    : false,
    SVGPolylineElement   : false,
    SVGPreserveAspectRatio: false,
    SVGRadialGradientElement: false,
    SVGRect              : false,
    SVGRectElement       : false,
    SVGRenderingIntent   : false,
    SVGSVGElement        : false,
    SVGScriptElement     : false,
    SVGSetElement        : false,
    SVGStopElement       : false,
    SVGStringList        : false,
    SVGStylable          : false,
    SVGStyleElement      : false,
    SVGSwitchElement     : false,
    SVGSymbolElement     : false,
    SVGTRefElement       : false,
    SVGTSpanElement      : false,
    SVGTests             : false,
    SVGTextContentElement: false,
    SVGTextElement       : false,
    SVGTextPathElement   : false,
    SVGTextPositioningElement: false,
    SVGTitleElement      : false,
    SVGTransform         : false,
    SVGTransformList     : false,
    SVGTransformable     : false,
    SVGURIReference      : false,
    SVGUnitTypes         : false,
    SVGUseElement        : false,
    SVGVKernElement      : false,
    SVGViewElement       : false,
    SVGViewSpec          : false,
    SVGZoomAndPan        : false,
    Text                 : false,
    TextDecoder          : false,
    TextEncoder          : false,
    TimeEvent            : false,
    top                  : false,
    URL                  : false,
    WebGLActiveInfo      : false,
    WebGLBuffer          : false,
    WebGLContextEvent    : false,
    WebGLFramebuffer     : false,
    WebGLProgram         : false,
    WebGLRenderbuffer    : false,
    WebGLRenderingContext: false,
    WebGLShader          : false,
    WebGLShaderPrecisionFormat: false,
    WebGLTexture         : false,
    WebGLUniformLocation : false,
    WebSocket            : false,
    window               : false,
    Window               : false,
    Worker               : false,
    XDomainRequest       : false,
    XMLHttpRequest       : false,
    XMLSerializer        : false,
    XPathEvaluator       : false,
    XPathException       : false,
    XPathExpression      : false,
    XPathNamespace       : false,
    XPathNSResolver      : false,
    XPathResult          : false
  };
  
  exports.devel = {
    alert  : false,
    confirm: false,
    console: false,
    Debug  : false,
    opera  : false,
    prompt : false
  };
  
  exports.worker = {
    importScripts  : true,
    postMessage    : true,
    self           : true,
    FileReaderSync : true
  };
  exports.nonstandard = {
    escape  : false,
    unescape: false
  };
  
  exports.couch = {
    "require" : false,
    respond   : false,
    getRow    : false,
    emit      : false,
    send      : false,
    start     : false,
    sum       : false,
    log       : false,
    exports   : false,
    module    : false,
    provides  : false
  };
  
  exports.node = {
    __filename    : false,
    __dirname     : false,
    GLOBAL        : false,
    global        : false,
    module        : false,
    require       : false,
  
    Buffer        : true,
    console       : true,
    exports       : true,
    process       : true,
    setTimeout    : true,
    clearTimeout  : true,
    setInterval   : true,
    clearInterval : true,
    setImmediate  : true, // v0.9.1+
    clearImmediate: true  // v0.9.1+
  };
  
  exports.browserify = {
    __filename    : false,
    __dirname     : false,
    global        : false,
    module        : false,
    require       : false,
    Buffer        : true,
    exports       : true,
    process       : true
  };
  
  exports.phantom = {
    phantom      : true,
    require      : true,
    WebPage      : true,
    console      : true, // in examples, but undocumented
    exports      : true  // v1.7+
  };
  
  exports.qunit = {
    asyncTest      : false,
    deepEqual      : false,
    equal          : false,
    expect         : false,
    module         : false,
    notDeepEqual   : false,
    notEqual       : false,
    notPropEqual   : false,
    notStrictEqual : false,
    ok             : false,
    propEqual      : false,
    QUnit          : false,
    raises         : false,
    start          : false,
    stop           : false,
    strictEqual    : false,
    test           : false,
    "throws"       : false
  };
  
  exports.rhino = {
    defineClass  : false,
    deserialize  : false,
    gc           : false,
    help         : false,
    importClass  : false,
    importPackage: false,
    "java"       : false,
    load         : false,
    loadClass    : false,
    Packages     : false,
    print        : false,
    quit         : false,
    readFile     : false,
    readUrl      : false,
    runCommand   : false,
    seal         : false,
    serialize    : false,
    spawn        : false,
    sync         : false,
    toint32      : false,
    version      : false
  };
  
  exports.shelljs = {
    target       : false,
    echo         : false,
    exit         : false,
    cd           : false,
    pwd          : false,
    ls           : false,
    find         : false,
    cp           : false,
    rm           : false,
    mv           : false,
    mkdir        : false,
    test         : false,
    cat          : false,
    sed          : false,
    grep         : false,
    which        : false,
    dirs         : false,
    pushd        : false,
    popd         : false,
    env          : false,
    exec         : false,
    chmod        : false,
    config       : false,
    error        : false,
    tempdir      : false
  };
  
  exports.typed = {
    ArrayBuffer         : false,
    ArrayBufferView     : false,
    DataView            : false,
    Float32Array        : false,
    Float64Array        : false,
    Int16Array          : false,
    Int32Array          : false,
    Int8Array           : false,
    Uint16Array         : false,
    Uint32Array         : false,
    Uint8Array          : false,
    Uint8ClampedArray   : false
  };
  
  exports.wsh = {
    ActiveXObject            : true,
    Enumerator               : true,
    GetObject                : true,
    ScriptEngine             : true,
    ScriptEngineBuildVersion : true,
    ScriptEngineMajorVersion : true,
    ScriptEngineMinorVersion : true,
    VBArray                  : true,
    WSH                      : true,
    WScript                  : true,
    XDomainRequest           : true
  };
  
  exports.dojo = {
    dojo     : false,
    dijit    : false,
    dojox    : false,
    define   : false,
    "require": false
  };
  
  exports.jquery = {
    "$"    : false,
    jQuery : false
  };
  
  exports.mootools = {
    "$"           : false,
    "$$"          : false,
    Asset         : false,
    Browser       : false,
    Chain         : false,
    Class         : false,
    Color         : false,
    Cookie        : false,
    Core          : false,
    Document      : false,
    DomReady      : false,
    DOMEvent      : false,
    DOMReady      : false,
    Drag          : false,
    Element       : false,
    Elements      : false,
    Event         : false,
    Events        : false,
    Fx            : false,
    Group         : false,
    Hash          : false,
    HtmlTable     : false,
    IFrame        : false,
    IframeShim    : false,
    InputValidator: false,
    instanceOf    : false,
    Keyboard      : false,
    Locale        : false,
    Mask          : false,
    MooTools      : false,
    Native        : false,
    Options       : false,
    OverText      : false,
    Request       : false,
    Scroller      : false,
    Slick         : false,
    Slider        : false,
    Sortables     : false,
    Spinner       : false,
    Swiff         : false,
    Tips          : false,
    Type          : false,
    typeOf        : false,
    URI           : false,
    Window        : false
  };
  
  exports.prototypejs = {
    "$"               : false,
    "$$"              : false,
    "$A"              : false,
    "$F"              : false,
    "$H"              : false,
    "$R"              : false,
    "$break"          : false,
    "$continue"       : false,
    "$w"              : false,
    Abstract          : false,
    Ajax              : false,
    Class             : false,
    Enumerable        : false,
    Element           : false,
    Event             : false,
    Field             : false,
    Form              : false,
    Hash              : false,
    Insertion         : false,
    ObjectRange       : false,
    PeriodicalExecuter: false,
    Position          : false,
    Prototype         : false,
    Selector          : false,
    Template          : false,
    Toggle            : false,
    Try               : false,
    Autocompleter     : false,
    Builder           : false,
    Control           : false,
    Draggable         : false,
    Draggables        : false,
    Droppables        : false,
    Effect            : false,
    Sortable          : false,
    SortableObserver  : false,
    Sound             : false,
    Scriptaculous     : false
  };
  
  exports.yui = {
    YUI       : false,
    Y         : false,
    YUI_config: false
  };
  
  exports.mocha = {
    mocha       : false,
    describe    : false,
    xdescribe   : false,
    it          : false,
    xit         : false,
    context     : false,
    xcontext    : false,
    before      : false,
    after       : false,
    beforeEach  : false,
    afterEach   : false,
    suite         : false,
    test          : false,
    setup         : false,
    teardown      : false,
    suiteSetup    : false,
    suiteTeardown : false
  };
  
  exports.jasmine = {
    jasmine     : false,
    describe    : false,
    xdescribe   : false,
    it          : false,
    xit         : false,
    beforeEach  : false,
    afterEach   : false,
    setFixtures : false,
    loadFixtures: false,
    spyOn       : false,
    expect      : false,
    runs        : false,
    waitsFor    : false,
    waits       : false,
    beforeAll   : false,
    afterAll    : false,
    fail        : false,
    fdescribe   : false,
    fit         : false,
    pending     : false
  };
  
  },{}]},{},["/node_modules/jshint/src/jshint.js"]);
  
  });
  
  ace.define("ace/mode/javascript_worker",["require","exports","module","ace/lib/oop","ace/worker/mirror","ace/mode/javascript/jshint"], function(require, exports, module) {
  "use strict";
  
  var oop = require("../lib/oop");
  var Mirror = require("../worker/mirror").Mirror;
  var lint = require("./javascript/jshint").JSHINT;
  
  function startRegex(arr) {
      return RegExp("^(" + arr.join("|") + ")");
  }
  
  var disabledWarningsRe = startRegex([
      "Bad for in variable '(.+)'.",
      'Missing "use strict"'
  ]);
  var errorsRe = startRegex([
      "Unexpected",
      "Expected ",
      "Confusing (plus|minus)",
      "\\{a\\} unterminated regular expression",
      "Unclosed ",
      "Unmatched ",
      "Unbegun comment",
      "Bad invocation",
      "Missing space after",
      "Missing operator at"
  ]);
  var infoRe = startRegex([
      "Expected an assignment",
      "Bad escapement of EOL",
      "Unexpected comma",
      "Unexpected space",
      "Missing radix parameter.",
      "A leading decimal point can",
      "\\['{a}'\\] is better written in dot notation.",
      "'{a}' used out of scope"
  ]);
  
  var JavaScriptWorker = exports.JavaScriptWorker = function(sender) {
      Mirror.call(this, sender);
      this.setTimeout(500);
      this.setOptions();
  };
  
  oop.inherits(JavaScriptWorker, Mirror);
  
  (function() {
      this.setOptions = function(options) {
          this.options = options || {
              esnext: true,
              moz: true,
              devel: true,
              browser: true,
              node: true,
              laxcomma: true,
              laxbreak: true,
              lastsemic: true,
              onevar: false,
              passfail: false,
              maxerr: 100,
              expr: true,
              multistr: true,
              globalstrict: true
          };
          this.doc.getValue() && this.deferredUpdate.schedule(100);
      };
  
      this.changeOptions = function(newOptions) {
          oop.mixin(this.options, newOptions);
          this.doc.getValue() && this.deferredUpdate.schedule(100);
      };
  
      this.isValidJS = function(str) {
          try {
              eval("throw 0;" + str);
          } catch(e) {
              if (e === 0)
                  return true;
          }
          return false
      };
  
      this.onUpdate = function() {
          var value = this.doc.getValue();
          value = value.replace(/^#!.*\n/, "\n");
          if (!value)
              return this.sender.emit("annotate", []);
  
          var errors = [];
          var maxErrorLevel = this.isValidJS(value) ? "warning" : "error";
          lint(value, this.options);
          var results = lint.errors;
  
          var errorAdded = false
          for (var i = 0; i < results.length; i++) {
              var error = results[i];
              if (!error)
                  continue;
              var raw = error.raw;
              var type = "warning";
  
              if (raw == "Missing semicolon.") {
                  var str = error.evidence.substr(error.character);
                  str = str.charAt(str.search(/\S/));
                  if (maxErrorLevel == "error" && str && /[\w\d{(['"]/.test(str)) {
                      error.reason = 'Missing ";" before statement';
                      type = "error";
                  } else {
                      type = "info";
                  }
              }
              else if (disabledWarningsRe.test(raw)) {
                  continue;
              }
              else if (infoRe.test(raw)) {
                  type = "info"
              }
              else if (errorsRe.test(raw)) {
                  errorAdded  = true;
                  type = maxErrorLevel;
              }
              else if (raw == "'{a}' is not defined.") {
                  type = "warning";
              }
              else if (raw == "'{a}' is defined but never used.") {
                  type = "info";
              }
  
              errors.push({
                  row: error.line-1,
                  column: error.character-1,
                  text: error.reason,
                  type: type,
                  raw: raw
              });
  
              if (errorAdded) {
              }
          }
  
          this.sender.emit("annotate", errors);
      };
  
  }).call(JavaScriptWorker.prototype);
  
  });
  
  ace.define("ace/lib/es5-shim",["require","exports","module"], function(require, exports, module) {
  
  function Empty() {}
  
  if (!Function.prototype.bind) {
      Function.prototype.bind = function bind(that) { // .length is 1
          var target = this;
          if (typeof target != "function") {
              throw new TypeError("Function.prototype.bind called on incompatible " + target);
          }
          var args = slice.call(arguments, 1); // for normal call
          var bound = function () {
  
              if (this instanceof bound) {
  
                  var result = target.apply(
                      this,
                      args.concat(slice.call(arguments))
                  );
                  if (Object(result) === result) {
                      return result;
                  }
                  return this;
  
              } else {
                  return target.apply(
                      that,
                      args.concat(slice.call(arguments))
                  );
  
              }
  
          };
          if(target.prototype) {
              Empty.prototype = target.prototype;
              bound.prototype = new Empty();
              Empty.prototype = null;
          }
          return bound;
      };
  }
  var call = Function.prototype.call;
  var prototypeOfArray = Array.prototype;
  var prototypeOfObject = Object.prototype;
  var slice = prototypeOfArray.slice;
  var _toString = call.bind(prototypeOfObject.toString);
  var owns = call.bind(prototypeOfObject.hasOwnProperty);
  var defineGetter;
  var defineSetter;
  var lookupGetter;
  var lookupSetter;
  var supportsAccessors;
  if ((supportsAccessors = owns(prototypeOfObject, "__defineGetter__"))) {
      defineGetter = call.bind(prototypeOfObject.__defineGetter__);
      defineSetter = call.bind(prototypeOfObject.__defineSetter__);
      lookupGetter = call.bind(prototypeOfObject.__lookupGetter__);
      lookupSetter = call.bind(prototypeOfObject.__lookupSetter__);
  }
  if ([1,2].splice(0).length != 2) {
      if(function() { // test IE < 9 to splice bug - see issue #138
          function makeArray(l) {
              var a = new Array(l+2);
              a[0] = a[1] = 0;
              return a;
          }
          var array = [], lengthBefore;
  
          array.splice.apply(array, makeArray(20));
          array.splice.apply(array, makeArray(26));
  
          lengthBefore = array.length; //46
          array.splice(5, 0, "XXX"); // add one element
  
          lengthBefore + 1 == array.length
  
          if (lengthBefore + 1 == array.length) {
              return true;// has right splice implementation without bugs
          }
      }()) {//IE 6/7
          var array_splice = Array.prototype.splice;
          Array.prototype.splice = function(start, deleteCount) {
              if (!arguments.length) {
                  return [];
              } else {
                  return array_splice.apply(this, [
                      start === void 0 ? 0 : start,
                      deleteCount === void 0 ? (this.length - start) : deleteCount
                  ].concat(slice.call(arguments, 2)))
              }
          };
      } else {//IE8
          Array.prototype.splice = function(pos, removeCount){
              var length = this.length;
              if (pos > 0) {
                  if (pos > length)
                      pos = length;
              } else if (pos == void 0) {
                  pos = 0;
              } else if (pos < 0) {
                  pos = Math.max(length + pos, 0);
              }
  
              if (!(pos+removeCount < length))
                  removeCount = length - pos;
  
              var removed = this.slice(pos, pos+removeCount);
              var insert = slice.call(arguments, 2);
              var add = insert.length;
              if (pos === length) {
                  if (add) {
                      this.push.apply(this, insert);
                  }
              } else {
                  var remove = Math.min(removeCount, length - pos);
                  var tailOldPos = pos + remove;
                  var tailNewPos = tailOldPos + add - remove;
                  var tailCount = length - tailOldPos;
                  var lengthAfterRemove = length - remove;
  
                  if (tailNewPos < tailOldPos) { // case A
                      for (var i = 0; i < tailCount; ++i) {
                          this[tailNewPos+i] = this[tailOldPos+i];
                      }
                  } else if (tailNewPos > tailOldPos) { // case B
                      for (i = tailCount; i--; ) {
                          this[tailNewPos+i] = this[tailOldPos+i];
                      }
                  } // else, add == remove (nothing to do)
  
                  if (add && pos === lengthAfterRemove) {
                      this.length = lengthAfterRemove; // truncate array
                      this.push.apply(this, insert);
                  } else {
                      this.length = lengthAfterRemove + add; // reserves space
                      for (i = 0; i < add; ++i) {
                          this[pos+i] = insert[i];
                      }
                  }
              }
              return removed;
          };
      }
  }
  if (!Array.isArray) {
      Array.isArray = function isArray(obj) {
          return _toString(obj) == "[object Array]";
      };
  }
  var boxedString = Object("a"),
      splitString = boxedString[0] != "a" || !(0 in boxedString);
  
  if (!Array.prototype.forEach) {
      Array.prototype.forEach = function forEach(fun /*, thisp*/) {
          var object = toObject(this),
              self = splitString && _toString(this) == "[object String]" ?
                  this.split("") :
                  object,
              thisp = arguments[1],
              i = -1,
              length = self.length >>> 0;
          if (_toString(fun) != "[object Function]") {
              throw new TypeError(); // TODO message
          }
  
          while (++i < length) {
              if (i in self) {
                  fun.call(thisp, self[i], i, object);
              }
          }
      };
  }
  if (!Array.prototype.map) {
      Array.prototype.map = function map(fun /*, thisp*/) {
          var object = toObject(this),
              self = splitString && _toString(this) == "[object String]" ?
                  this.split("") :
                  object,
              length = self.length >>> 0,
              result = Array(length),
              thisp = arguments[1];
          if (_toString(fun) != "[object Function]") {
              throw new TypeError(fun + " is not a function");
          }
  
          for (var i = 0; i < length; i++) {
              if (i in self)
                  result[i] = fun.call(thisp, self[i], i, object);
          }
          return result;
      };
  }
  if (!Array.prototype.filter) {
      Array.prototype.filter = function filter(fun /*, thisp */) {
          var object = toObject(this),
              self = splitString && _toString(this) == "[object String]" ?
                  this.split("") :
                      object,
              length = self.length >>> 0,
              result = [],
              value,
              thisp = arguments[1];
          if (_toString(fun) != "[object Function]") {
              throw new TypeError(fun + " is not a function");
          }
  
          for (var i = 0; i < length; i++) {
              if (i in self) {
                  value = self[i];
                  if (fun.call(thisp, value, i, object)) {
                      result.push(value);
                  }
              }
          }
          return result;
      };
  }
  if (!Array.prototype.every) {
      Array.prototype.every = function every(fun /*, thisp */) {
          var object = toObject(this),
              self = splitString && _toString(this) == "[object String]" ?
                  this.split("") :
                  object,
              length = self.length >>> 0,
              thisp = arguments[1];
          if (_toString(fun) != "[object Function]") {
              throw new TypeError(fun + " is not a function");
          }
  
          for (var i = 0; i < length; i++) {
              if (i in self && !fun.call(thisp, self[i], i, object)) {
                  return false;
              }
          }
          return true;
      };
  }
  if (!Array.prototype.some) {
      Array.prototype.some = function some(fun /*, thisp */) {
          var object = toObject(this),
              self = splitString && _toString(this) == "[object String]" ?
                  this.split("") :
                  object,
              length = self.length >>> 0,
              thisp = arguments[1];
          if (_toString(fun) != "[object Function]") {
              throw new TypeError(fun + " is not a function");
          }
  
          for (var i = 0; i < length; i++) {
              if (i in self && fun.call(thisp, self[i], i, object)) {
                  return true;
              }
          }
          return false;
      };
  }
  if (!Array.prototype.reduce) {
      Array.prototype.reduce = function reduce(fun /*, initial*/) {
          var object = toObject(this),
              self = splitString && _toString(this) == "[object String]" ?
                  this.split("") :
                  object,
              length = self.length >>> 0;
          if (_toString(fun) != "[object Function]") {
              throw new TypeError(fun + " is not a function");
          }
          if (!length && arguments.length == 1) {
              throw new TypeError("reduce of empty array with no initial value");
          }
  
          var i = 0;
          var result;
          if (arguments.length >= 2) {
              result = arguments[1];
          } else {
              do {
                  if (i in self) {
                      result = self[i++];
                      break;
                  }
                  if (++i >= length) {
                      throw new TypeError("reduce of empty array with no initial value");
                  }
              } while (true);
          }
  
          for (; i < length; i++) {
              if (i in self) {
                  result = fun.call(void 0, result, self[i], i, object);
              }
          }
  
          return result;
      };
  }
  if (!Array.prototype.reduceRight) {
      Array.prototype.reduceRight = function reduceRight(fun /*, initial*/) {
          var object = toObject(this),
              self = splitString && _toString(this) == "[object String]" ?
                  this.split("") :
                  object,
              length = self.length >>> 0;
          if (_toString(fun) != "[object Function]") {
              throw new TypeError(fun + " is not a function");
          }
          if (!length && arguments.length == 1) {
              throw new TypeError("reduceRight of empty array with no initial value");
          }
  
          var result, i = length - 1;
          if (arguments.length >= 2) {
              result = arguments[1];
          } else {
              do {
                  if (i in self) {
                      result = self[i--];
                      break;
                  }
                  if (--i < 0) {
                      throw new TypeError("reduceRight of empty array with no initial value");
                  }
              } while (true);
          }
  
          do {
              if (i in this) {
                  result = fun.call(void 0, result, self[i], i, object);
              }
          } while (i--);
  
          return result;
      };
  }
  if (!Array.prototype.indexOf || ([0, 1].indexOf(1, 2) != -1)) {
      Array.prototype.indexOf = function indexOf(sought /*, fromIndex */ ) {
          var self = splitString && _toString(this) == "[object String]" ?
                  this.split("") :
                  toObject(this),
              length = self.length >>> 0;
  
          if (!length) {
              return -1;
          }
  
          var i = 0;
          if (arguments.length > 1) {
              i = toInteger(arguments[1]);
          }
          i = i >= 0 ? i : Math.max(0, length + i);
          for (; i < length; i++) {
              if (i in self && self[i] === sought) {
                  return i;
              }
          }
          return -1;
      };
  }
  if (!Array.prototype.lastIndexOf || ([0, 1].lastIndexOf(0, -3) != -1)) {
      Array.prototype.lastIndexOf = function lastIndexOf(sought /*, fromIndex */) {
          var self = splitString && _toString(this) == "[object String]" ?
                  this.split("") :
                  toObject(this),
              length = self.length >>> 0;
  
          if (!length) {
              return -1;
          }
          var i = length - 1;
          if (arguments.length > 1) {
              i = Math.min(i, toInteger(arguments[1]));
          }
          i = i >= 0 ? i : length - Math.abs(i);
          for (; i >= 0; i--) {
              if (i in self && sought === self[i]) {
                  return i;
              }
          }
          return -1;
      };
  }
  if (!Object.getPrototypeOf) {
      Object.getPrototypeOf = function getPrototypeOf(object) {
          return object.__proto__ || (
              object.constructor ?
              object.constructor.prototype :
              prototypeOfObject
          );
      };
  }
  if (!Object.getOwnPropertyDescriptor) {
      var ERR_NON_OBJECT = "Object.getOwnPropertyDescriptor called on a " +
                          "non-object: ";
      Object.getOwnPropertyDescriptor = function getOwnPropertyDescriptor(object, property) {
          if ((typeof object != "object" && typeof object != "function") || object === null)
              throw new TypeError(ERR_NON_OBJECT + object);
          if (!owns(object, property))
              return;
  
          var descriptor, getter, setter;
          descriptor =  { enumerable: true, configurable: true };
          if (supportsAccessors) {
              var prototype = object.__proto__;
              object.__proto__ = prototypeOfObject;
  
              var getter = lookupGetter(object, property);
              var setter = lookupSetter(object, property);
              object.__proto__ = prototype;
  
              if (getter || setter) {
                  if (getter) descriptor.get = getter;
                  if (setter) descriptor.set = setter;
                  return descriptor;
              }
          }
          descriptor.value = object[property];
          return descriptor;
      };
  }
  if (!Object.getOwnPropertyNames) {
      Object.getOwnPropertyNames = function getOwnPropertyNames(object) {
          return Object.keys(object);
      };
  }
  if (!Object.create) {
      var createEmpty;
      if (Object.prototype.__proto__ === null) {
          createEmpty = function () {
              return { "__proto__": null };
          };
      } else {
          createEmpty = function () {
              var empty = {};
              for (var i in empty)
                  empty[i] = null;
              empty.constructor =
              empty.hasOwnProperty =
              empty.propertyIsEnumerable =
              empty.isPrototypeOf =
              empty.toLocaleString =
              empty.toString =
              empty.valueOf =
              empty.__proto__ = null;
              return empty;
          }
      }
  
      Object.create = function create(prototype, properties) {
          var object;
          if (prototype === null) {
              object = createEmpty();
          } else {
              if (typeof prototype != "object")
                  throw new TypeError("typeof prototype["+(typeof prototype)+"] != 'object'");
              var Type = function () {};
              Type.prototype = prototype;
              object = new Type();
              object.__proto__ = prototype;
          }
          if (properties !== void 0)
              Object.defineProperties(object, properties);
          return object;
      };
  }
  
  function doesDefinePropertyWork(object) {
      try {
          Object.defineProperty(object, "sentinel", {});
          return "sentinel" in object;
      } catch (exception) {
      }
  }
  if (Object.defineProperty) {
      var definePropertyWorksOnObject = doesDefinePropertyWork({});
      var definePropertyWorksOnDom = typeof document == "undefined" ||
          doesDefinePropertyWork(document.createElement("div"));
      if (!definePropertyWorksOnObject || !definePropertyWorksOnDom) {
          var definePropertyFallback = Object.defineProperty;
      }
  }
  
  if (!Object.defineProperty || definePropertyFallback) {
      var ERR_NON_OBJECT_DESCRIPTOR = "Property description must be an object: ";
      var ERR_NON_OBJECT_TARGET = "Object.defineProperty called on non-object: "
      var ERR_ACCESSORS_NOT_SUPPORTED = "getters & setters can not be defined " +
                                        "on this javascript engine";
  
      Object.defineProperty = function defineProperty(object, property, descriptor) {
          if ((typeof object != "object" && typeof object != "function") || object === null)
              throw new TypeError(ERR_NON_OBJECT_TARGET + object);
          if ((typeof descriptor != "object" && typeof descriptor != "function") || descriptor === null)
              throw new TypeError(ERR_NON_OBJECT_DESCRIPTOR + descriptor);
          if (definePropertyFallback) {
              try {
                  return definePropertyFallback.call(Object, object, property, descriptor);
              } catch (exception) {
              }
          }
          if (owns(descriptor, "value")) {
  
              if (supportsAccessors && (lookupGetter(object, property) ||
                                        lookupSetter(object, property)))
              {
                  var prototype = object.__proto__;
                  object.__proto__ = prototypeOfObject;
                  delete object[property];
                  object[property] = descriptor.value;
                  object.__proto__ = prototype;
              } else {
                  object[property] = descriptor.value;
              }
          } else {
              if (!supportsAccessors)
                  throw new TypeError(ERR_ACCESSORS_NOT_SUPPORTED);
              if (owns(descriptor, "get"))
                  defineGetter(object, property, descriptor.get);
              if (owns(descriptor, "set"))
                  defineSetter(object, property, descriptor.set);
          }
  
          return object;
      };
  }
  if (!Object.defineProperties) {
      Object.defineProperties = function defineProperties(object, properties) {
          for (var property in properties) {
              if (owns(properties, property))
                  Object.defineProperty(object, property, properties[property]);
          }
          return object;
      };
  }
  if (!Object.seal) {
      Object.seal = function seal(object) {
          return object;
      };
  }
  if (!Object.freeze) {
      Object.freeze = function freeze(object) {
          return object;
      };
  }
  try {
      Object.freeze(function () {});
  } catch (exception) {
      Object.freeze = (function freeze(freezeObject) {
          return function freeze(object) {
              if (typeof object == "function") {
                  return object;
              } else {
                  return freezeObject(object);
              }
          };
      })(Object.freeze);
  }
  if (!Object.preventExtensions) {
      Object.preventExtensions = function preventExtensions(object) {
          return object;
      };
  }
  if (!Object.isSealed) {
      Object.isSealed = function isSealed(object) {
          return false;
      };
  }
  if (!Object.isFrozen) {
      Object.isFrozen = function isFrozen(object) {
          return false;
      };
  }
  if (!Object.isExtensible) {
      Object.isExtensible = function isExtensible(object) {
          if (Object(object) === object) {
              throw new TypeError(); // TODO message
          }
          var name = '';
          while (owns(object, name)) {
              name += '?';
          }
          object[name] = true;
          var returnValue = owns(object, name);
          delete object[name];
          return returnValue;
      };
  }
  if (!Object.keys) {
      var hasDontEnumBug = true,
          dontEnums = [
              "toString",
              "toLocaleString",
              "valueOf",
              "hasOwnProperty",
              "isPrototypeOf",
              "propertyIsEnumerable",
              "constructor"
          ],
          dontEnumsLength = dontEnums.length;
  
      for (var key in {"toString": null}) {
          hasDontEnumBug = false;
      }
  
      Object.keys = function keys(object) {
  
          if (
              (typeof object != "object" && typeof object != "function") ||
              object === null
          ) {
              throw new TypeError("Object.keys called on a non-object");
          }
  
          var keys = [];
          for (var name in object) {
              if (owns(object, name)) {
                  keys.push(name);
              }
          }
  
          if (hasDontEnumBug) {
              for (var i = 0, ii = dontEnumsLength; i < ii; i++) {
                  var dontEnum = dontEnums[i];
                  if (owns(object, dontEnum)) {
                      keys.push(dontEnum);
                  }
              }
          }
          return keys;
      };
  
  }
  if (!Date.now) {
      Date.now = function now() {
          return new Date().getTime();
      };
  }
  var ws = "\x09\x0A\x0B\x0C\x0D\x20\xA0\u1680\u180E\u2000\u2001\u2002\u2003" +
      "\u2004\u2005\u2006\u2007\u2008\u2009\u200A\u202F\u205F\u3000\u2028" +
      "\u2029\uFEFF";
  if (!String.prototype.trim || ws.trim()) {
      ws = "[" + ws + "]";
      var trimBeginRegexp = new RegExp("^" + ws + ws + "*"),
          trimEndRegexp = new RegExp(ws + ws + "*$");
      String.prototype.trim = function trim() {
          return String(this).replace(trimBeginRegexp, "").replace(trimEndRegexp, "");
      };
  }
  
  function toInteger(n) {
      n = +n;
      if (n !== n) { // isNaN
          n = 0;
      } else if (n !== 0 && n !== (1/0) && n !== -(1/0)) {
          n = (n > 0 || -1) * Math.floor(Math.abs(n));
      }
      return n;
  }
  
  function isPrimitive(input) {
      var type = typeof input;
      return (
          input === null ||
          type === "undefined" ||
          type === "boolean" ||
          type === "number" ||
          type === "string"
      );
  }
  
  function toPrimitive(input) {
      var val, valueOf, toString;
      if (isPrimitive(input)) {
          return input;
      }
      valueOf = input.valueOf;
      if (typeof valueOf === "function") {
          val = valueOf.call(input);
          if (isPrimitive(val)) {
              return val;
          }
      }
      toString = input.toString;
      if (typeof toString === "function") {
          val = toString.call(input);
          if (isPrimitive(val)) {
              return val;
          }
      }
      throw new TypeError();
  }
  var toObject = function (o) {
      if (o == null) { // this matches both null and undefined
          throw new TypeError("can't convert "+o+" to object");
      }
      return Object(o);
  };
  
  });
  