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.slice(0, factory.length).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",[], 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",[], 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",[], 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",[], 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;
      this.addEventListener(eventName, function newCallback() {
        _self.removeEventListener(eventName, newCallback);
        callback.apply(null, arguments);
      });
      if (!callback) {
        return new Promise(function(resolve) {
          callback = resolve;
        });
      }
    };
  
  
    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) {
        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",[], 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",[], 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.$splitAndapplyLargeDelta(delta, 20000);
        }
        else {
          applyDelta(this.$lines, delta, doNotValidate);
          this._signal("change", delta);
        }
      };
  
      this.$splitAndapplyLargeDelta = function(delta, MAX) {
        var lines = delta.lines;
        var l = lines.length - MAX + 1;
        var row = delta.start.row;
        var column = delta.start.column;
        for (var from = 0, to = 0; from < l; from = to) {
          to += MAX - 1;
          var chunk = lines.slice(from, to);
          chunk.push("");
          this.applyDelta({
            start: this.pos(row + from, column),
            end: this.pos(row + to, column = 0),
            action: delta.action,
            lines: chunk
          }, true);
        }
        delta.lines = lines.slice(from);
        delta.start.row = row + from;
        delta.start.column = column;
        this.applyDelta(delta, true);
      };
      this.revertDelta = function(delta) {
        this.applyDelta({
          start: this.clonePos(delta.start),
          end: this.clonePos(delta.end),
          action: (delta.action == "insert" ? "remove" : "insert"),
          lines: delta.lines.slice()
        });
      };
      this.indexToPosition = function(index, startRow) {
        var lines = this.$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: index + lines[l-1].length + newlineLength};
      };
      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",[], 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;
      }
      if (Object.prototype.toString.call(obj) !== "[object Object]")
        return obj;
  
      copy = {};
      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",[], 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/lib/es5-shim",[], 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\u2000\u2001\u2002\u2003" +
      "\u2004\u2005\u2006\u2007\u2008\u2009\u200A\u202F\u205F\u3000\u2028" +
      "\u2029\uFEFF";
    if (!String.prototype.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);
    };
  
  });
  