text: /* ***** BEGIN LICENSE BLOCK *****
   * Distributed under the BSD license:
   *
   * Copyright (c) 2010, Ajax.org B.V.
   * All rights reserved.
   *
   * Redistribution and use in source and binary forms, with or without
   * modification, are permitted provided that the following conditions are met:
   *     * Redistributions of source code must retain the above copyright
   *       notice, this list of conditions and the following disclaimer.
   *     * Redistributions in binary form must reproduce the above copyright
   *       notice, this list of conditions and the following disclaimer in the
   *       documentation and/or other materials provided with the distribution.
   *     * Neither the name of Ajax.org B.V. nor the
   *       names of its contributors may be used to endorse or promote products
   *       derived from this software without specific prior written permission.
   *
   * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
   * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
   * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
   * DISCLAIMED. IN NO EVENT SHALL AJAX.ORG B.V. BE LIABLE FOR ANY
   * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
   * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
   * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
   * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
   * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
   * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
   *
   * ***** END LICENSE BLOCK ***** */
  //jshint ignore: start
  /**
   * Define a module along with a payload
   * @param module a name for the payload
   * @param payload a function to call with (require, exports, module) params
   */
  
  (function () {
  
      var ACE_NAMESPACE = "";
  
      var global = (function () {
          return this;
      })();
      if (!global && typeof window != "undefined") global = window; // strict mode
  
  
      if (!ACE_NAMESPACE && typeof requirejs !== "undefined")
          return;
  
  
      var define = function (module, deps, payload) {
          if (typeof module !== "string") {
              if (define.original)
                  define.original.apply(this, arguments);
              else {
                  console.error("dropping module because define wasn\'t a string.");
                  console.trace();
              }
              return;
          }
          if (arguments.length == 2)
              payload = deps;
          if (!define.modules[module]) {
              define.payloads[module] = payload;
              define.modules[module] = null;
          }
      };
  
      define.modules = {};
      define.payloads = {};
  
      /**
       * Get at functionality define()ed using the function above
       */
      var _require = function (parentId, module, callback) {
          if (typeof module === "string") {
              var payload = lookup(parentId, module);
              if (payload != undefined) {
                  callback && callback();
                  return payload;
              }
          } else if (Object.prototype.toString.call(module) === "[object Array]") {
              var params = [];
              for (var i = 0, l = module.length; i < l; ++i) {
                  var dep = lookup(parentId, module[i]);
                  if (dep == undefined && require.original)
                      return;
                  params.push(dep);
              }
              return callback && callback.apply(null, params) || true;
          }
      };
  
      var require = function (module, callback) {
          var packagedModule = _require("", module, callback);
          if (packagedModule == undefined && require.original)
              return require.original.apply(this, arguments);
          return packagedModule;
      };
  
      var normalizeModule = function (parentId, moduleName) {
          // normalize plugin requires
          if (moduleName.indexOf("!") !== -1) {
              var chunks = moduleName.split("!");
              return normalizeModule(parentId, chunks[0]) + "!" + normalizeModule(parentId, chunks[1]);
          }
          // normalize relative requires
          if (moduleName.charAt(0) == ".") {
              var base = parentId.split("/").slice(0, -1).join("/");
              moduleName = base + "/" + moduleName;
  
              while (moduleName.indexOf(".") !== -1 && previous != moduleName) {
                  var previous = moduleName;
                  moduleName = moduleName.replace(/\/\.\//, "/").replace(/[^\/]+\/\.\.\//, "");
              }
          }
          return moduleName;
      };
  
      /**
       * Internal function to lookup moduleNames and resolve them by calling the
       * definition function if needed.
       */
      var lookup = function (parentId, moduleName) {
          moduleName = normalizeModule(parentId, moduleName);
  
          var module = define.modules[moduleName];
          if (!module) {
              module = define.payloads[moduleName];
              if (typeof module === 'function') {
                  var exports = {};
                  var mod = {
                      id: moduleName,
                      uri: '',
                      exports: exports,
                      packaged: true
                  };
  
                  var req = function (module, callback) {
                      return _require(moduleName, module, callback);
                  };
  
                  var returnValue = module(req, exports, mod);
                  exports = returnValue || mod.exports;
                  define.modules[moduleName] = exports;
                  delete define.payloads[moduleName];
              }
              module = define.modules[moduleName] = exports || module;
          }
          return module;
      };
  
      function exportAce(ns) {
          var root = global;
          if (ns) {
              if (!global[ns])
                  global[ns] = {};
              root = global[ns];
          }
  
          if (!root.define || !root.define.packaged) {
              define.original = root.define;
              root.define = define;
              root.define.packaged = true;
          }
  
          if (!root.require || !root.require.packaged) {
              require.original = root.require;
              root.require = require;
              root.require.packaged = true;
          }
      }
  
      exportAce(ACE_NAMESPACE);
  
  })();
  
  define("ace/lib/fixoldbrowsers", ["require", "exports", "module"], function (require, exports, module) {
      "use strict";
      if (typeof Element != "undefined" && !Element.prototype.remove) {
          Object.defineProperty(Element.prototype, "remove", {
              enumerable: false,
              writable: true,
              configurable: true,
              value: function () {
                  this.parentNode && this.parentNode.removeChild(this);
              }
          });
      }
  
  
  });
  
  define("ace/lib/useragent", ["require", "exports", "module"], function (require, exports, module) {
      "use strict";
      exports.OS = {
          LINUX: "LINUX",
          MAC: "MAC",
          WINDOWS: "WINDOWS"
      };
      exports.getOS = function () {
          if (exports.isMac) {
              return exports.OS.MAC;
          } else if (exports.isLinux) {
              return exports.OS.LINUX;
          } else {
              return exports.OS.WINDOWS;
          }
      };
      var _navigator = typeof navigator == "object" ? navigator : {};
  
      var os = (/mac|win|linux/i.exec(_navigator.platform) || ["other"])[0].toLowerCase();
      var ua = _navigator.userAgent || "";
      var appName = _navigator.appName || "";
      exports.isWin = (os == "win");
      exports.isMac = (os == "mac");
      exports.isLinux = (os == "linux");
      exports.isIE =
          (appName == "Microsoft Internet Explorer" || appName.indexOf("MSAppHost") >= 0) ?
          parseFloat((ua.match(/(?:MSIE |Trident\/[0-9]+[\.0-9]+;.*rv:)([0-9]+[\.0-9]+)/) || [])[1]) :
          parseFloat((ua.match(/(?:Trident\/[0-9]+[\.0-9]+;.*rv:)([0-9]+[\.0-9]+)/) || [])[1]); // for ie
  
      exports.isOldIE = exports.isIE && exports.isIE < 9;
      exports.isGecko = exports.isMozilla = ua.match(/ Gecko\/\d+/);
      exports.isOpera = typeof opera == "object" && Object.prototype.toString.call(window.opera) == "[object Opera]";
      exports.isWebKit = parseFloat(ua.split("WebKit/")[1]) || undefined;
  
      exports.isChrome = parseFloat(ua.split(" Chrome/")[1]) || undefined;
  
      exports.isEdge = parseFloat(ua.split(" Edge/")[1]) || undefined;
  
      exports.isAIR = ua.indexOf("AdobeAIR") >= 0;
  
      exports.isAndroid = ua.indexOf("Android") >= 0;
  
      exports.isChromeOS = ua.indexOf(" CrOS ") >= 0;
  
      exports.isIOS = /iPad|iPhone|iPod/.test(ua) && !window.MSStream;
  
      if (exports.isIOS) exports.isMac = true;
  
      exports.isMobile = exports.isIOS || exports.isAndroid;
  
  });
  
  define("ace/lib/dom", ["require", "exports", "module", "ace/lib/useragent"], function (require, exports, module) {
      "use strict";
  
      var useragent = require("./useragent");
      var XHTML_NS = "http://www.w3.org/1999/xhtml";
  
      exports.buildDom = function buildDom(arr, parent, refs) {
          if (typeof arr == "string" && arr) {
              var txt = document.createTextNode(arr);
              if (parent)
                  parent.appendChild(txt);
              return txt;
          }
  
          if (!Array.isArray(arr)) {
              if (arr && arr.appendChild && parent)
                  parent.appendChild(arr);
              return arr;
          }
          if (typeof arr[0] != "string" || !arr[0]) {
              var els = [];
              for (var i = 0; i < arr.length; i++) {
                  var ch = buildDom(arr[i], parent, refs);
                  ch && els.push(ch);
              }
              return els;
          }
  
          var el = document.createElement(arr[0]);
          var options = arr[1];
          var childIndex = 1;
          if (options && typeof options == "object" && !Array.isArray(options))
              childIndex = 2;
          for (var i = childIndex; i < arr.length; i++)
              buildDom(arr[i], el, refs);
          if (childIndex == 2) {
              Object.keys(options).forEach(function (n) {
                  var val = options[n];
                  if (n === "class") {
                      el.className = Array.isArray(val) ? val.join(" ") : val;
                  } else if (typeof val == "function" || n == "value" || n[0] == "$") {
                      el[n] = val;
                  } else if (n === "ref") {
                      if (refs) refs[val] = el;
                  } else if (val != null) {
                      el.setAttribute(n, val);
                  }
              });
          }
          if (parent)
              parent.appendChild(el);
          return el;
      };
  
      exports.getDocumentHead = function (doc) {
          if (!doc)
              doc = document;
          return doc.head || doc.getElementsByTagName("head")[0] || doc.documentElement;
      };
  
      exports.createElement = function (tag, ns) {
          return document.createElementNS ?
              document.createElementNS(ns || XHTML_NS, tag) :
              document.createElement(tag);
      };
  
      exports.removeChildren = function (element) {
          element.innerHTML = "";
      };
  
      exports.createTextNode = function (textContent, element) {
          var doc = element ? element.ownerDocument : document;
          return doc.createTextNode(textContent);
      };
  
      exports.createFragment = function (element) {
          var doc = element ? element.ownerDocument : document;
          return doc.createDocumentFragment();
      };
  
      exports.hasCssClass = function (el, name) {
          var classes = (el.className + "").split(/\s+/g);
          return classes.indexOf(name) !== -1;
      };
      exports.addCssClass = function (el, name) {
          if (!exports.hasCssClass(el, name)) {
              el.className += " " + name;
          }
      };
      exports.removeCssClass = function (el, name) {
          var classes = el.className.split(/\s+/g);
          while (true) {
              var index = classes.indexOf(name);
              if (index == -1) {
                  break;
              }
              classes.splice(index, 1);
          }
          el.className = classes.join(" ");
      };
  
      exports.toggleCssClass = function (el, name) {
          var classes = el.className.split(/\s+/g),
              add = true;
          while (true) {
              var index = classes.indexOf(name);
              if (index == -1) {
                  break;
              }
              add = false;
              classes.splice(index, 1);
          }
          if (add)
              classes.push(name);
  
          el.className = classes.join(" ");
          return add;
      };
      exports.setCssClass = function (node, className, include) {
          if (include) {
              exports.addCssClass(node, className);
          } else {
              exports.removeCssClass(node, className);
          }
      };
  
      exports.hasCssString = function (id, doc) {
          var index = 0,
              sheets;
          doc = doc || document;
          if ((sheets = doc.querySelectorAll("style"))) {
              while (index < sheets.length)
                  if (sheets[index++].id === id)
                      return true;
          }
      };
  
      exports.importCssString = function importCssString(cssText, id, target) {
          var container = target;
          if (!target || !target.getRootNode) {
              container = document;
          } else {
              container = target.getRootNode();
              if (!container || container == target)
                  container = document;
          }
  
          var doc = container.ownerDocument || container;
          if (id && exports.hasCssString(id, container))
              return null;
  
          if (id)
              cssText += "\n/*# sourceURL=ace/css/" + id + " */";
  
          var style = exports.createElement("style");
          style.appendChild(doc.createTextNode(cssText));
          if (id)
              style.id = id;
  
          if (container == doc)
              container = exports.getDocumentHead(doc);
          container.insertBefore(style, container.firstChild);
      };
  
      exports.importCssStylsheet = function (uri, doc) {
          exports.buildDom(["link", {
              rel: "stylesheet",
              href: uri
          }], exports.getDocumentHead(doc));
      };
      exports.scrollbarWidth = function (document) {
          var inner = exports.createElement("ace_inner");
          inner.style.width = "100%";
          inner.style.minWidth = "0px";
          inner.style.height = "200px";
          inner.style.display = "block";
  
          var outer = exports.createElement("ace_outer");
          var style = outer.style;
  
          style.position = "absolute";
          style.left = "-10000px";
          style.overflow = "hidden";
          style.width = "200px";
          style.minWidth = "0px";
          style.height = "150px";
          style.display = "block";
  
          outer.appendChild(inner);
  
          var body = document.documentElement;
          body.appendChild(outer);
  
          var noScrollbar = inner.offsetWidth;
  
          style.overflow = "scroll";
          var withScrollbar = inner.offsetWidth;
  
          if (noScrollbar == withScrollbar) {
              withScrollbar = outer.clientWidth;
          }
  
          body.removeChild(outer);
  
          return noScrollbar - withScrollbar;
      };
  
      if (typeof document == "undefined") {
          exports.importCssString = function () {};
      }
  
      exports.computedStyle = function (element, style) {
          return window.getComputedStyle(element, "") || {};
      };
  
      exports.setStyle = function (styles, property, value) {
          if (styles[property] !== value) {
              styles[property] = value;
          }
      };
  
      exports.HAS_CSS_ANIMATION = false;
      exports.HAS_CSS_TRANSFORMS = false;
      exports.HI_DPI = useragent.isWin ?
          typeof window !== "undefined" && window.devicePixelRatio >= 1.5 :
          true;
  
      if (typeof document !== "undefined") {
          var div = document.createElement("div");
          if (exports.HI_DPI && div.style.transform !== undefined)
              exports.HAS_CSS_TRANSFORMS = true;
          if (!useragent.isEdge && typeof div.style.animationName !== "undefined")
              exports.HAS_CSS_ANIMATION = true;
          div = null;
      }
  
      if (exports.HAS_CSS_TRANSFORMS) {
          exports.translate = function (element, tx, ty) {
              element.style.transform = "translate(" + Math.round(tx) + "px, " + Math.round(ty) + "px)";
          };
      } else {
          exports.translate = function (element, tx, ty) {
              element.style.top = Math.round(ty) + "px";
              element.style.left = Math.round(tx) + "px";
          };
      }
  
  });
  
  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);
      };
  
  });
  
  define("ace/lib/keys", ["require", "exports", "module", "ace/lib/oop"], function (require, exports, module) {
      "use strict";
  
      var oop = require("./oop");
      var Keys = (function () {
          var ret = {
              MODIFIER_KEYS: {
                  16: 'Shift',
                  17: 'Ctrl',
                  18: 'Alt',
                  224: 'Meta',
                  91: 'MetaLeft',
                  92: 'MetaRight',
                  93: 'ContextMenu'
              },
  
              KEY_MODS: {
                  "ctrl": 1,
                  "alt": 2,
                  "option": 2,
                  "shift": 4,
                  "super": 8,
                  "meta": 8,
                  "command": 8,
                  "cmd": 8,
                  "control": 1
              },
  
              FUNCTION_KEYS: {
                  8: "Backspace",
                  9: "Tab",
                  13: "Return",
                  19: "Pause",
                  27: "Esc",
                  32: "Space",
                  33: "PageUp",
                  34: "PageDown",
                  35: "End",
                  36: "Home",
                  37: "Left",
                  38: "Up",
                  39: "Right",
                  40: "Down",
                  44: "Print",
                  45: "Insert",
                  46: "Delete",
                  96: "Numpad0",
                  97: "Numpad1",
                  98: "Numpad2",
                  99: "Numpad3",
                  100: "Numpad4",
                  101: "Numpad5",
                  102: "Numpad6",
                  103: "Numpad7",
                  104: "Numpad8",
                  105: "Numpad9",
                  '-13': "NumpadEnter",
                  112: "F1",
                  113: "F2",
                  114: "F3",
                  115: "F4",
                  116: "F5",
                  117: "F6",
                  118: "F7",
                  119: "F8",
                  120: "F9",
                  121: "F10",
                  122: "F11",
                  123: "F12",
                  144: "Numlock",
                  145: "Scrolllock"
              },
  
              PRINTABLE_KEYS: {
                  32: ' ',
                  48: '0',
                  49: '1',
                  50: '2',
                  51: '3',
                  52: '4',
                  53: '5',
                  54: '6',
                  55: '7',
                  56: '8',
                  57: '9',
                  59: ';',
                  61: '=',
                  65: 'a',
                  66: 'b',
                  67: 'c',
                  68: 'd',
                  69: 'e',
                  70: 'f',
                  71: 'g',
                  72: 'h',
                  73: 'i',
                  74: 'j',
                  75: 'k',
                  76: 'l',
                  77: 'm',
                  78: 'n',
                  79: 'o',
                  80: 'p',
                  81: 'q',
                  82: 'r',
                  83: 's',
                  84: 't',
                  85: 'u',
                  86: 'v',
                  87: 'w',
                  88: 'x',
                  89: 'y',
                  90: 'z',
                  107: '+',
                  109: '-',
                  110: '.',
                  186: ';',
                  187: '=',
                  188: ',',
                  189: '-',
                  190: '.',
                  191: '/',
                  192: '`',
                  219: '[',
                  220: '\\',
                  221: ']',
                  222: "'",
                  111: '/',
                  106: '*'
              }
          };
          var name, i;
          for (i in ret.FUNCTION_KEYS) {
              name = ret.FUNCTION_KEYS[i].toLowerCase();
              ret[name] = parseInt(i, 10);
          }
          for (i in ret.PRINTABLE_KEYS) {
              name = ret.PRINTABLE_KEYS[i].toLowerCase();
              ret[name] = parseInt(i, 10);
          }
          oop.mixin(ret, ret.MODIFIER_KEYS);
          oop.mixin(ret, ret.PRINTABLE_KEYS);
          oop.mixin(ret, ret.FUNCTION_KEYS);
          ret.enter = ret["return"];
          ret.escape = ret.esc;
          ret.del = ret["delete"];
          ret[173] = '-';
  
          (function () {
              var mods = ["cmd", "ctrl", "alt", "shift"];
              for (var i = Math.pow(2, mods.length); i--;) {
                  ret.KEY_MODS[i] = mods.filter(function (x) {
                      return i & ret.KEY_MODS[x];
                  }).join("-") + "-";
              }
          })();
  
          ret.KEY_MODS[0] = "";
          ret.KEY_MODS[-1] = "input-";
  
          return ret;
      })();
      oop.mixin(exports, Keys);
  
      exports.keyCodeToString = function (keyCode) {
          var keyString = Keys[keyCode];
          if (typeof keyString != "string")
              keyString = String.fromCharCode(keyCode);
          return keyString.toLowerCase();
      };
  
  });
  
  define("ace/lib/event", ["require", "exports", "module", "ace/lib/keys", "ace/lib/useragent"], function (require, exports, module) {
      "use strict";
  
      var keys = require("./keys");
      var useragent = require("./useragent");
  
      var pressedKeys = null;
      var ts = 0;
  
      var activeListenerOptions;
  
      function detectListenerOptionsSupport() {
          activeListenerOptions = false;
          try {
              document.createComment("").addEventListener("test", function () {}, {
                  get passive() {
                      activeListenerOptions = {
                          passive: false
                      };
                  }
              });
          } catch (e) {}
      }
  
      function getListenerOptions() {
          if (activeListenerOptions == undefined)
              detectListenerOptionsSupport();
          return activeListenerOptions;
      }
  
      function EventListener(elem, type, callback) {
          this.elem = elem;
          this.type = type;
          this.callback = callback;
      }
      EventListener.prototype.destroy = function () {
          removeListener(this.elem, this.type, this.callback);
          this.elem = this.type = this.callback = undefined;
      };
  
      var addListener = exports.addListener = function (elem, type, callback, destroyer) {
          elem.addEventListener(type, callback, getListenerOptions());
          if (destroyer)
              destroyer.$toDestroy.push(new EventListener(elem, type, callback));
      };
  
      var removeListener = exports.removeListener = function (elem, type, callback) {
          elem.removeEventListener(type, callback, getListenerOptions());
      };
      exports.stopEvent = function (e) {
          exports.stopPropagation(e);
          exports.preventDefault(e);
          return false;
      };
  
      exports.stopPropagation = function (e) {
          if (e.stopPropagation)
              e.stopPropagation();
      };
  
      exports.preventDefault = function (e) {
          if (e.preventDefault)
              e.preventDefault();
      };
      exports.getButton = function (e) {
          if (e.type == "dblclick")
              return 0;
          if (e.type == "contextmenu" || (useragent.isMac && (e.ctrlKey && !e.altKey && !e.shiftKey)))
              return 2;
          return e.button;
      };
  
      exports.capture = function (el, eventHandler, releaseCaptureHandler) {
          var ownerDocument = el && el.ownerDocument || document;
  
          function onMouseUp(e) {
              eventHandler && eventHandler(e);
              releaseCaptureHandler && releaseCaptureHandler(e);
  
              removeListener(ownerDocument, "mousemove", eventHandler);
              removeListener(ownerDocument, "mouseup", onMouseUp);
              removeListener(ownerDocument, "dragstart", onMouseUp);
          }
  
          addListener(ownerDocument, "mousemove", eventHandler);
          addListener(ownerDocument, "mouseup", onMouseUp);
          addListener(ownerDocument, "dragstart", onMouseUp);
  
          return onMouseUp;
      };
  
      exports.addMouseWheelListener = function (el, callback, destroyer) {
          if ("onmousewheel" in el) {
              addListener(el, "mousewheel", function (e) {
                  var factor = 8;
                  if (e.wheelDeltaX !== undefined) {
                      e.wheelX = -e.wheelDeltaX / factor;
                      e.wheelY = -e.wheelDeltaY / factor;
                  } else {
                      e.wheelX = 0;
                      e.wheelY = -e.wheelDelta / factor;
                  }
                  callback(e);
              }, destroyer);
          } else if ("onwheel" in el) {
              addListener(el, "wheel", function (e) {
                  var factor = 0.35;
                  switch (e.deltaMode) {
                      case e.DOM_DELTA_PIXEL:
                          e.wheelX = e.deltaX * factor || 0;
                          e.wheelY = e.deltaY * factor || 0;
                          break;
                      case e.DOM_DELTA_LINE:
                      case e.DOM_DELTA_PAGE:
                          e.wheelX = (e.deltaX || 0) * 5;
                          e.wheelY = (e.deltaY || 0) * 5;
                          break;
                  }
  
                  callback(e);
              }, destroyer);
          } else {
              addListener(el, "DOMMouseScroll", function (e) {
                  if (e.axis && e.axis == e.HORIZONTAL_AXIS) {
                      e.wheelX = (e.detail || 0) * 5;
                      e.wheelY = 0;
                  } else {
                      e.wheelX = 0;
                      e.wheelY = (e.detail || 0) * 5;
                  }
                  callback(e);
              }, destroyer);
          }
      };
  
      exports.addMultiMouseDownListener = function (elements, timeouts, eventHandler, callbackName, destroyer) {
          var clicks = 0;
          var startX, startY, timer;
          var eventNames = {
              2: "dblclick",
              3: "tripleclick",
              4: "quadclick"
          };
  
          function onMousedown(e) {
              if (exports.getButton(e) !== 0) {
                  clicks = 0;
              } else if (e.detail > 1) {
                  clicks++;
                  if (clicks > 4)
                      clicks = 1;
              } else {
                  clicks = 1;
              }
              if (useragent.isIE) {
                  var isNewClick = Math.abs(e.clientX - startX) > 5 || Math.abs(e.clientY - startY) > 5;
                  if (!timer || isNewClick)
                      clicks = 1;
                  if (timer)
                      clearTimeout(timer);
                  timer = setTimeout(function () {
                      timer = null;
                  }, timeouts[clicks - 1] || 600);
  
                  if (clicks == 1) {
                      startX = e.clientX;
                      startY = e.clientY;
                  }
              }
  
              e._clicks = clicks;
  
              eventHandler[callbackName]("mousedown", e);
  
              if (clicks > 4)
                  clicks = 0;
              else if (clicks > 1)
                  return eventHandler[callbackName](eventNames[clicks], e);
          }
          if (!Array.isArray(elements))
              elements = [elements];
          elements.forEach(function (el) {
              addListener(el, "mousedown", onMousedown, destroyer);
          });
      };
  
      var getModifierHash = function (e) {
          return 0 | (e.ctrlKey ? 1 : 0) | (e.altKey ? 2 : 0) | (e.shiftKey ? 4 : 0) | (e.metaKey ? 8 : 0);
      };
  
      exports.getModifierString = function (e) {
          return keys.KEY_MODS[getModifierHash(e)];
      };
  
      function normalizeCommandKeys(callback, e, keyCode) {
          var hashId = getModifierHash(e);
  
          if (!useragent.isMac && pressedKeys) {
              if (e.getModifierState && (e.getModifierState("OS") || e.getModifierState("Win")))
                  hashId |= 8;
              if (pressedKeys.altGr) {
                  if ((3 & hashId) != 3)
                      pressedKeys.altGr = 0;
                  else
                      return;
              }
              if (keyCode === 18 || keyCode === 17) {
                  var location = "location" in e ? e.location : e.keyLocation;
                  if (keyCode === 17 && location === 1) {
                      if (pressedKeys[keyCode] == 1)
                          ts = e.timeStamp;
                  } else if (keyCode === 18 && hashId === 3 && location === 2) {
                      var dt = e.timeStamp - ts;
                      if (dt < 50)
                          pressedKeys.altGr = true;
                  }
              }
          }
  
          if (keyCode in keys.MODIFIER_KEYS) {
              keyCode = -1;
          }
  
          if (!hashId && keyCode === 13) {
              var location = "location" in e ? e.location : e.keyLocation;
              if (location === 3) {
                  callback(e, hashId, -keyCode);
                  if (e.defaultPrevented)
                      return;
              }
          }
  
          if (useragent.isChromeOS && hashId & 8) {
              callback(e, hashId, keyCode);
              if (e.defaultPrevented)
                  return;
              else
                  hashId &= ~8;
          }
          if (!hashId && !(keyCode in keys.FUNCTION_KEYS) && !(keyCode in keys.PRINTABLE_KEYS)) {
              return false;
          }
  
          return callback(e, hashId, keyCode);
      }
  
  
      exports.addCommandKeyListener = function (el, callback, destroyer) {
          if (useragent.isOldGecko || (useragent.isOpera && !("KeyboardEvent" in window))) {
              var lastKeyDownKeyCode = null;
              addListener(el, "keydown", function (e) {
                  lastKeyDownKeyCode = e.keyCode;
              }, destroyer);
              addListener(el, "keypress", function (e) {
                  return normalizeCommandKeys(callback, e, lastKeyDownKeyCode);
              }, destroyer);
          } else {
              var lastDefaultPrevented = null;
  
              addListener(el, "keydown", function (e) {
                  pressedKeys[e.keyCode] = (pressedKeys[e.keyCode] || 0) + 1;
                  var result = normalizeCommandKeys(callback, e, e.keyCode);
                  lastDefaultPrevented = e.defaultPrevented;
                  return result;
              }, destroyer);
  
              addListener(el, "keypress", function (e) {
                  if (lastDefaultPrevented && (e.ctrlKey || e.altKey || e.shiftKey || e.metaKey)) {
                      exports.stopEvent(e);
                      lastDefaultPrevented = null;
                  }
              }, destroyer);
  
              addListener(el, "keyup", function (e) {
                  pressedKeys[e.keyCode] = null;
              }, destroyer);
  
              if (!pressedKeys) {
                  resetPressedKeys();
                  addListener(window, "focus", resetPressedKeys);
              }
          }
      };
  
      function resetPressedKeys() {
          pressedKeys = Object.create(null);
      }
  
      if (typeof window == "object" && window.postMessage && !useragent.isOldIE) {
          var postMessageId = 1;
          exports.nextTick = function (callback, win) {
              win = win || window;
              var messageName = "zero-timeout-message-" + (postMessageId++);
  
              var listener = function (e) {
                  if (e.data == messageName) {
                      exports.stopPropagation(e);
                      removeListener(win, "message", listener);
                      callback();
                  }
              };
  
              addListener(win, "message", listener);
              win.postMessage(messageName, "*");
          };
      }
  
      exports.$idleBlocked = false;
      exports.onIdle = function (cb, timeout) {
          return setTimeout(function handler() {
              if (!exports.$idleBlocked) {
                  cb();
              } else {
                  setTimeout(handler, 100);
              }
          }, timeout);
      };
  
      exports.$idleBlockId = null;
      exports.blockIdle = function (delay) {
          if (exports.$idleBlockId)
              clearTimeout(exports.$idleBlockId);
  
          exports.$idleBlocked = true;
          exports.$idleBlockId = setTimeout(function () {
              exports.$idleBlocked = false;
          }, delay || 100);
      };
  
      exports.nextFrame = typeof window == "object" && (window.requestAnimationFrame ||
          window.mozRequestAnimationFrame ||
          window.webkitRequestAnimationFrame ||
          window.msRequestAnimationFrame ||
          window.oRequestAnimationFrame);
  
      if (exports.nextFrame)
          exports.nextFrame = exports.nextFrame.bind(window);
      else
          exports.nextFrame = function (callback) {
              setTimeout(callback, 17);
          };
  });
  
  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;
  });
  
  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;
          }
          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;
      };
  });
  
  define("ace/clipboard", ["require", "exports", "module"], function (require, exports, module) {
      "use strict";
  
      var $cancelT;
      module.exports = {
          lineMode: false,
          pasteCancelled: function () {
              if ($cancelT && $cancelT > Date.now() - 50)
                  return true;
              return $cancelT = false;
          },
          cancel: function () {
              $cancelT = Date.now();
          }
      };
  
  });
  
  define("ace/keyboard/textinput", ["require", "exports", "module", "ace/lib/event", "ace/lib/useragent", "ace/lib/dom", "ace/lib/lang", "ace/clipboard", "ace/lib/keys"], function (require, exports, module) {
      "use strict";
  
      var event = require("../lib/event");
      var useragent = require("../lib/useragent");
      var dom = require("../lib/dom");
      var lang = require("../lib/lang");
      var clipboard = require("../clipboard");
      var BROKEN_SETDATA = useragent.isChrome < 18;
      var USE_IE_MIME_TYPE = useragent.isIE;
      var HAS_FOCUS_ARGS = useragent.isChrome > 63;
      var MAX_LINE_LENGTH = 400;
  
      var KEYS = require("../lib/keys");
      var MODS = KEYS.KEY_MODS;
      var isIOS = useragent.isIOS;
      var valueResetRegex = isIOS ? /\s/ : /\n/;
      var isMobile = useragent.isMobile;
  
      var TextInput = function (parentNode, host) {
          var text = dom.createElement("textarea");
          text.className = "ace_text-input";
  
          text.setAttribute("wrap", "off");
          text.setAttribute("autocorrect", "off");
          text.setAttribute("autocapitalize", "off");
          text.setAttribute("spellcheck", false);
  
          text.style.opacity = "0";
          parentNode.insertBefore(text, parentNode.firstChild);
  
          var copied = false;
          var pasted = false;
          var inComposition = false;
          var sendingText = false;
          var tempStyle = '';
  
          if (!isMobile)
              text.style.fontSize = "1px";
  
          var commandMode = false;
          var ignoreFocusEvents = false;
  
          var lastValue = "";
          var lastSelectionStart = 0;
          var lastSelectionEnd = 0;
          var lastRestoreEnd = 0;
          try {
              var isFocused = document.activeElement === text;
          } catch (e) {}
  
          event.addListener(text, "blur", function (e) {
              if (ignoreFocusEvents) return;
              host.onBlur(e);
              isFocused = false;
          }, host);
          event.addListener(text, "focus", function (e) {
              if (ignoreFocusEvents) return;
              isFocused = true;
              if (useragent.isEdge) {
                  try {
                      if (!document.hasFocus())
                          return;
                  } catch (e) {}
              }
              host.onFocus(e);
              if (useragent.isEdge)
                  setTimeout(resetSelection);
              else
                  resetSelection();
          }, host);
          this.$focusScroll = false;
          this.focus = function () {
              if (tempStyle || HAS_FOCUS_ARGS || this.$focusScroll == "browser")
                  return text.focus({
                      preventScroll: true
                  });
  
              var top = text.style.top;
              text.style.position = "fixed";
              text.style.top = "0px";
              try {
                  var isTransformed = text.getBoundingClientRect().top != 0;
              } catch (e) {
                  return;
              }
              var ancestors = [];
              if (isTransformed) {
                  var t = text.parentElement;
                  while (t && t.nodeType == 1) {
                      ancestors.push(t);
                      t.setAttribute("ace_nocontext", true);
                      if (!t.parentElement && t.getRootNode)
                          t = t.getRootNode().host;
                      else
                          t = t.parentElement;
                  }
              }
              text.focus({
                  preventScroll: true
              });
              if (isTransformed) {
                  ancestors.forEach(function (p) {
                      p.removeAttribute("ace_nocontext");
                  });
              }
              setTimeout(function () {
                  text.style.position = "";
                  if (text.style.top == "0px")
                      text.style.top = top;
              }, 0);
          };
          this.blur = function () {
              text.blur();
          };
          this.isFocused = function () {
              return isFocused;
          };
  
          host.on("beforeEndOperation", function () {
              var curOp = host.curOp;
              var commandName = curOp && curOp.command && curOp.command.name;
              if (commandName == "insertstring")
                  return;
              var isUserAction = commandName && (curOp.docChanged || curOp.selectionChanged);
              if (inComposition && isUserAction) {
                  lastValue = text.value = "";
                  onCompositionEnd();
              }
              resetSelection();
          });
  
          var resetSelection = isIOS ?
              function (value) {
                  if (!isFocused || (copied && !value) || sendingText) return;
                  if (!value)
                      value = "";
                  var newValue = "\n ab" + value + "cde fg\n";
                  if (newValue != text.value)
                      text.value = lastValue = newValue;
  
                  var selectionStart = 4;
                  var selectionEnd = 4 + (value.length || (host.selection.isEmpty() ? 0 : 1));
  
                  if (lastSelectionStart != selectionStart || lastSelectionEnd != selectionEnd) {
                      text.setSelectionRange(selectionStart, selectionEnd);
                  }
                  lastSelectionStart = selectionStart;
                  lastSelectionEnd = selectionEnd;
              } :
              function () {
                  if (inComposition || sendingText)
                      return;
                  if (!isFocused && !afterContextMenu)
                      return;
                  inComposition = true;
  
                  var selectionStart = 0;
                  var selectionEnd = 0;
                  var line = "";
  
                  if (host.session) {
                      var selection = host.selection;
                      var range = selection.getRange();
                      var row = selection.cursor.row;
                      selectionStart = range.start.column;
                      selectionEnd = range.end.column;
                      line = host.session.getLine(row);
  
                      if (range.start.row != row) {
                          var prevLine = host.session.getLine(row - 1);
                          selectionStart = range.start.row < row - 1 ? 0 : selectionStart;
                          selectionEnd += prevLine.length + 1;
                          line = prevLine + "\n" + line;
                      } else if (range.end.row != row) {
                          var nextLine = host.session.getLine(row + 1);
                          selectionEnd = range.end.row > row + 1 ? nextLine.length : selectionEnd;
                          selectionEnd += line.length + 1;
                          line = line + "\n" + nextLine;
                      } else if (isMobile && row > 0) {
                          line = "\n" + line;
                          selectionEnd += 1;
                          selectionStart += 1;
                      }
  
                      if (line.length > MAX_LINE_LENGTH) {
                          if (selectionStart < MAX_LINE_LENGTH && selectionEnd < MAX_LINE_LENGTH) {
                              line = line.slice(0, MAX_LINE_LENGTH);
                          } else {
                              line = "\n";
                              if (selectionStart == selectionEnd) {
                                  selectionStart = selectionEnd = 0;
                              } else {
                                  selectionStart = 0;
                                  selectionEnd = 1;
                              }
                          }
                      }
                  }
  
                  var newValue = line + "\n\n";
                  if (newValue != lastValue) {
                      text.value = lastValue = newValue;
                      lastSelectionStart = lastSelectionEnd = newValue.length;
                  }
                  if (afterContextMenu) {
                      lastSelectionStart = text.selectionStart;
                      lastSelectionEnd = text.selectionEnd;
                  }
                  if (
                      lastSelectionEnd != selectionEnd ||
                      lastSelectionStart != selectionStart ||
                      text.selectionEnd != lastSelectionEnd // on ie edge selectionEnd changes silently after the initialization
                  ) {
                      try {
                          text.setSelectionRange(selectionStart, selectionEnd);
                          lastSelectionStart = selectionStart;
                          lastSelectionEnd = selectionEnd;
                      } catch (e) {}
                  }
                  inComposition = false;
              };
          this.resetSelection = resetSelection;
  
          if (isFocused)
              host.onFocus();
  
  
          var isAllSelected = function (text) {
              return text.selectionStart === 0 && text.selectionEnd >= lastValue.length &&
                  text.value === lastValue && lastValue &&
                  text.selectionEnd !== lastSelectionEnd;
          };
  
          var onSelect = function (e) {
              if (inComposition)
                  return;
              if (copied) {
                  copied = false;
              } else if (isAllSelected(text)) {
                  host.selectAll();
                  resetSelection();
              } else if (isMobile && text.selectionStart != lastSelectionStart) {
                  resetSelection();
              }
          };
  
          var inputHandler = null;
          this.setInputHandler = function (cb) {
              inputHandler = cb;
          };
          this.getInputHandler = function () {
              return inputHandler;
          };
          var afterContextMenu = false;
  
          var sendText = function (value, fromInput) {
              if (afterContextMenu)
                  afterContextMenu = false;
              if (pasted) {
                  resetSelection();
                  if (value)
                      host.onPaste(value);
                  pasted = false;
                  return "";
              } else {
                  var selectionStart = text.selectionStart;
                  var selectionEnd = text.selectionEnd;
  
                  var extendLeft = lastSelectionStart;
                  var extendRight = lastValue.length - lastSelectionEnd;
  
                  var inserted = value;
                  var restoreStart = value.length - selectionStart;
                  var restoreEnd = value.length - selectionEnd;
  
                  var i = 0;
                  while (extendLeft > 0 && lastValue[i] == value[i]) {
                      i++;
                      extendLeft--;
                  }
                  inserted = inserted.slice(i);
                  i = 1;
                  while (extendRight > 0 && lastValue.length - i > lastSelectionStart - 1 && lastValue[lastValue.length - i] == value[value.length - i]) {
                      i++;
                      extendRight--;
                  }
                  restoreStart -= i - 1;
                  restoreEnd -= i - 1;
                  var endIndex = inserted.length - i + 1;
                  if (endIndex < 0) {
                      extendLeft = -endIndex;
                      endIndex = 0;
                  }
                  inserted = inserted.slice(0, endIndex);
                  if (!fromInput && !inserted && !restoreStart && !extendLeft && !extendRight && !restoreEnd)
                      return "";
                  sendingText = true;
                  var shouldReset = false;
                  if (useragent.isAndroid && inserted == ". ") {
                      inserted = "  ";
                      shouldReset = true;
                  }
  
                  if (inserted && !extendLeft && !extendRight && !restoreStart && !restoreEnd || commandMode) {
                      host.onTextInput(inserted);
                  } else {
                      host.onTextInput(inserted, {
                          extendLeft: extendLeft,
                          extendRight: extendRight,
                          restoreStart: restoreStart,
                          restoreEnd: restoreEnd
                      });
                  }
                  sendingText = false;
  
                  lastValue = value;
                  lastSelectionStart = selectionStart;
                  lastSelectionEnd = selectionEnd;
                  lastRestoreEnd = restoreEnd;
                  return shouldReset ? "\n" : inserted;
              }
          };
          var onInput = function (e) {
              if (inComposition)
                  return onCompositionUpdate();
              if (e && e.inputType) {
                  if (e.inputType == "historyUndo") return host.execCommand("undo");
                  if (e.inputType == "historyRedo") return host.execCommand("redo");
              }
              var data = text.value;
              var inserted = sendText(data, true);
              if (
                  data.length > MAX_LINE_LENGTH + 100 ||
                  valueResetRegex.test(inserted) ||
                  isMobile && lastSelectionStart < 1 && lastSelectionStart == lastSelectionEnd
              ) {
                  resetSelection();
              }
          };
  
          var handleClipboardData = function (e, data, forceIEMime) {
              var clipboardData = e.clipboardData || window.clipboardData;
              if (!clipboardData || BROKEN_SETDATA)
                  return;
              var mime = USE_IE_MIME_TYPE || forceIEMime ? "Text" : "text/plain";
              try {
                  if (data) {
                      return clipboardData.setData(mime, data) !== false;
                  } else {
                      return clipboardData.getData(mime);
                  }
              } catch (e) {
                  if (!forceIEMime)
                      return handleClipboardData(e, data, true);
              }
          };
  
          var doCopy = function (e, isCut) {
              var data = host.getCopyText();
              if (!data)
                  return event.preventDefault(e);
  
              if (handleClipboardData(e, data)) {
                  if (isIOS) {
                      resetSelection(data);
                      copied = data;
                      setTimeout(function () {
                          copied = false;
                      }, 10);
                  }
                  isCut ? host.onCut() : host.onCopy();
                  event.preventDefault(e);
              } else {
                  copied = true;
                  text.value = data;
                  text.select();
                  setTimeout(function () {
                      copied = false;
                      resetSelection();
                      isCut ? host.onCut() : host.onCopy();
                  });
              }
          };
  
          var onCut = function (e) {
              doCopy(e, true);
          };
  
          var onCopy = function (e) {
              doCopy(e, false);
          };
  
          var onPaste = function (e) {
              var data = handleClipboardData(e);
              if (clipboard.pasteCancelled())
                  return;
              if (typeof data == "string") {
                  if (data)
                      host.onPaste(data, e);
                  if (useragent.isIE)
                      setTimeout(resetSelection);
                  event.preventDefault(e);
              } else {
                  text.value = "";
                  pasted = true;
              }
          };
  
          event.addCommandKeyListener(text, host.onCommandKey.bind(host), host);
  
          event.addListener(text, "select", onSelect, host);
          event.addListener(text, "input", onInput, host);
  
          event.addListener(text, "cut", onCut, host);
          event.addListener(text, "copy", onCopy, host);
          event.addListener(text, "paste", onPaste, host);
          if (!('oncut' in text) || !('oncopy' in text) || !('onpaste' in text)) {
              event.addListener(parentNode, "keydown", function (e) {
                  if ((useragent.isMac && !e.metaKey) || !e.ctrlKey)
                      return;
  
                  switch (e.keyCode) {
                      case 67:
                          onCopy(e);
                          break;
                      case 86:
                          onPaste(e);
                          break;
                      case 88:
                          onCut(e);
                          break;
                  }
              }, host);
          }
          var onCompositionStart = function (e) {
              if (inComposition || !host.onCompositionStart || host.$readOnly)
                  return;
  
              inComposition = {};
  
              if (commandMode)
                  return;
  
              if (e.data)
                  inComposition.useTextareaForIME = false;
  
              setTimeout(onCompositionUpdate, 0);
              host._signal("compositionStart");
              host.on("mousedown", cancelComposition);
  
              var range = host.getSelectionRange();
              range.end.row = range.start.row;
              range.end.column = range.start.column;
              inComposition.markerRange = range;
              inComposition.selectionStart = lastSelectionStart;
              host.onCompositionStart(inComposition);
  
              if (inComposition.useTextareaForIME) {
                  lastValue = text.value = "";
                  lastSelectionStart = 0;
                  lastSelectionEnd = 0;
              } else {
                  if (text.msGetInputContext)
                      inComposition.context = text.msGetInputContext();
                  if (text.getInputContext)
                      inComposition.context = text.getInputContext();
              }
          };
  
          var onCompositionUpdate = function () {
              if (!inComposition || !host.onCompositionUpdate || host.$readOnly)
                  return;
              if (commandMode)
                  return cancelComposition();
  
              if (inComposition.useTextareaForIME) {
                  host.onCompositionUpdate(text.value);
              } else {
                  var data = text.value;
                  sendText(data);
                  if (inComposition.markerRange) {
                      if (inComposition.context) {
                          inComposition.markerRange.start.column = inComposition.selectionStart = inComposition.context.compositionStartOffset;
                      }
                      inComposition.markerRange.end.column = inComposition.markerRange.start.column +
                          lastSelectionEnd - inComposition.selectionStart + lastRestoreEnd;
                  }
              }
          };
  
          var onCompositionEnd = function (e) {
              if (!host.onCompositionEnd || host.$readOnly) return;
              inComposition = false;
              host.onCompositionEnd();
              host.off("mousedown", cancelComposition);
              if (e) onInput();
          };
  
  
          function cancelComposition() {
              ignoreFocusEvents = true;
              text.blur();
              text.focus();
              ignoreFocusEvents = false;
          }
  
          var syncComposition = lang.delayedCall(onCompositionUpdate, 50).schedule.bind(null, null);
  
          function onKeyup(e) {
              if (e.keyCode == 27 && text.value.length < text.selectionStart) {
                  if (!inComposition)
                      lastValue = text.value;
                  lastSelectionStart = lastSelectionEnd = -1;
                  resetSelection();
              }
              syncComposition();
          }
  
          event.addListener(text, "compositionstart", onCompositionStart, host);
          event.addListener(text, "compositionupdate", onCompositionUpdate, host);
          event.addListener(text, "keyup", onKeyup, host);
          event.addListener(text, "keydown", syncComposition, host);
          event.addListener(text, "compositionend", onCompositionEnd, host);
  
          this.getElement = function () {
              return text;
          };
          this.setCommandMode = function (value) {
              commandMode = value;
              text.readOnly = false;
          };
  
          this.setReadOnly = function (readOnly) {
              if (!commandMode)
                  text.readOnly = readOnly;
          };
  
          this.setCopyWithEmptySelection = function (value) {};
  
          this.onContextMenu = function (e) {
              e.preventDefault();
  
              afterContextMenu = true;
              resetSelection();
  
              this.moveToMouse(e, true);
          };
  
          this.moveToMouse = function (e, bringToFront) {
              if (!tempStyle)
                  tempStyle = text.style.cssText;
              text.style.cssText = (bringToFront ? "z-index:100000;" : "") +
                  (useragent.isIE ? "opacity:0.1;" : "") +
                  "text-indent: -" + (lastSelectionStart + lastSelectionEnd) * host.renderer.characterWidth * 0.5 + "px;";
  
              var rect = host.container.getBoundingClientRect();
              var style = dom.computedStyle(host.container);
              var top = rect.top + (parseInt(style.borderTopWidth) || 0);
              var left = rect.left + (parseInt(rect.borderLeftWidth) || 0);
              var maxTop = rect.bottom - top - text.clientHeight - 2;
              var move = function (e) {
                  dom.translate(text, e.clientX - left - 2, Math.min(e.clientY - top - 2, maxTop));
              };
              move(e);
  
              if (e.type != "mousedown")
                  return;
  
              host.renderer.$isMousePressed = true;
  
              clearTimeout(closeTimeout);
              if (useragent.isWin)
                  event.capture(host.container, move, onContextMenuClose);
          };
  
          this.onContextMenuClose = onContextMenuClose;
          var closeTimeout;
  
          function onContextMenuClose() {
              clearTimeout(closeTimeout);
              closeTimeout = setTimeout(function () {
                  if (tempStyle) {
                      text.style.cssText = tempStyle;
                      tempStyle = '';
                  }
                  host.renderer.$isMousePressed = false;
                  if (host.renderer.$keepTextAreaAtCursor)
                      host.renderer.$moveTextAreaToCursor();
              }, 0);
          }
  
          var onContextMenu = function (e) {
              host.textInput.onContextMenu(e);
              onContextMenuClose();
          };
          event.addListener(text, "mouseup", onContextMenu, host);
          event.addListener(text, "mousedown", function (e) {
              e.preventDefault();
              onContextMenuClose();
          }, host);
          event.addListener(host.renderer.scroller, "contextmenu", onContextMenu, host);
          event.addListener(text, "contextmenu", onContextMenu, host);
  
          if (isIOS)
              addIosSelectionHandler(parentNode, host, text);
  
          function addIosSelectionHandler(parentNode, host, text) {
              var typingResetTimeout = null;
              var typing = false;
  
              text.addEventListener("keydown", function (e) {
                  if (typingResetTimeout) clearTimeout(typingResetTimeout);
                  typing = true;
              }, true);
  
              text.addEventListener("keyup", function (e) {
                  typingResetTimeout = setTimeout(function () {
                      typing = false;
                  }, 100);
              }, true);
              var detectArrowKeys = function (e) {
                  if (document.activeElement !== text) return;
                  if (typing || inComposition || host.$mouseHandler.isMousePressed) return;
  
                  if (copied) {
                      return;
                  }
                  var selectionStart = text.selectionStart;
                  var selectionEnd = text.selectionEnd;
  
                  var key = null;
                  var modifier = 0;
                  if (selectionStart == 0) {
                      key = KEYS.up;
                  } else if (selectionStart == 1) {
                      key = KEYS.home;
                  } else if (selectionEnd > lastSelectionEnd && lastValue[selectionEnd] == "\n") {
                      key = KEYS.end;
                  } else if (selectionStart < lastSelectionStart && lastValue[selectionStart - 1] == " ") {
                      key = KEYS.left;
                      modifier = MODS.option;
                  } else if (
                      selectionStart < lastSelectionStart ||
                      (
                          selectionStart == lastSelectionStart &&
                          lastSelectionEnd != lastSelectionStart &&
                          selectionStart == selectionEnd
                      )
                  ) {
                      key = KEYS.left;
                  } else if (selectionEnd > lastSelectionEnd && lastValue.slice(0, selectionEnd).split("\n").length > 2) {
                      key = KEYS.down;
                  } else if (selectionEnd > lastSelectionEnd && lastValue[selectionEnd - 1] == " ") {
                      key = KEYS.right;
                      modifier = MODS.option;
                  } else if (
                      selectionEnd > lastSelectionEnd ||
                      (
                          selectionEnd == lastSelectionEnd &&
                          lastSelectionEnd != lastSelectionStart &&
                          selectionStart == selectionEnd
                      )
                  ) {
                      key = KEYS.right;
                  }
  
                  if (selectionStart !== selectionEnd)
                      modifier |= MODS.shift;
  
                  if (key) {
                      var result = host.onCommandKey({}, modifier, key);
                      if (!result && host.commands) {
                          key = KEYS.keyCodeToString(key);
                          var command = host.commands.findKeyCommand(modifier, key);
                          if (command)
                              host.execCommand(command);
                      }
                      lastSelectionStart = selectionStart;
                      lastSelectionEnd = selectionEnd;
                      resetSelection("");
                  }
              };
              document.addEventListener("selectionchange", detectArrowKeys);
              host.on("destroy", function () {
                  document.removeEventListener("selectionchange", detectArrowKeys);
              });
          }
      };
  
      exports.TextInput = TextInput;
      exports.$setUserAgentForTests = function (_isMobile, _isIOS) {
          isMobile = _isMobile;
          isIOS = _isIOS;
      };
  });
  
  define("ace/mouse/default_handlers", ["require", "exports", "module", "ace/lib/useragent"], function (require, exports, module) {
      "use strict";
  
      var useragent = require("../lib/useragent");
  
      var DRAG_OFFSET = 0; // pixels
      var SCROLL_COOLDOWN_T = 550; // milliseconds
  
      function DefaultHandlers(mouseHandler) {
          mouseHandler.$clickSelection = null;
  
          var editor = mouseHandler.editor;
          editor.setDefaultHandler("mousedown", this.onMouseDown.bind(mouseHandler));
          editor.setDefaultHandler("dblclick", this.onDoubleClick.bind(mouseHandler));
          editor.setDefaultHandler("tripleclick", this.onTripleClick.bind(mouseHandler));
          editor.setDefaultHandler("quadclick", this.onQuadClick.bind(mouseHandler));
          editor.setDefaultHandler("mousewheel", this.onMouseWheel.bind(mouseHandler));
  
          var exports = ["select", "startSelect", "selectEnd", "selectAllEnd", "selectByWordsEnd",
              "selectByLinesEnd", "dragWait", "dragWaitEnd", "focusWait"
          ];
  
          exports.forEach(function (x) {
              mouseHandler[x] = this[x];
          }, this);
  
          mouseHandler.selectByLines = this.extendSelectionBy.bind(mouseHandler, "getLineRange");
          mouseHandler.selectByWords = this.extendSelectionBy.bind(mouseHandler, "getWordRange");
      }
  
      (function () {
  
          this.onMouseDown = function (ev) {
              var inSelection = ev.inSelection();
              var pos = ev.getDocumentPosition();
              this.mousedownEvent = ev;
              var editor = this.editor;
  
              var button = ev.getButton();
              if (button !== 0) {
                  var selectionRange = editor.getSelectionRange();
                  var selectionEmpty = selectionRange.isEmpty();
                  if (selectionEmpty || button == 1)
                      editor.selection.moveToPosition(pos);
                  if (button == 2) {
                      editor.textInput.onContextMenu(ev.domEvent);
                      if (!useragent.isMozilla)
                          ev.preventDefault();
                  }
                  return;
              }
  
              this.mousedownEvent.time = Date.now();
              if (inSelection && !editor.isFocused()) {
                  editor.focus();
                  if (this.$focusTimeout && !this.$clickSelection && !editor.inMultiSelectMode) {
                      this.setState("focusWait");
                      this.captureMouse(ev);
                      return;
                  }
              }
  
              this.captureMouse(ev);
              this.startSelect(pos, ev.domEvent._clicks > 1);
              return ev.preventDefault();
          };
  
          this.startSelect = function (pos, waitForClickSelection) {
              pos = pos || this.editor.renderer.screenToTextCoordinates(this.x, this.y);
              var editor = this.editor;
              if (!this.mousedownEvent) return;
              if (this.mousedownEvent.getShiftKey())
                  editor.selection.selectToPosition(pos);
              else if (!waitForClickSelection)
                  editor.selection.moveToPosition(pos);
              if (!waitForClickSelection)
                  this.select();
              if (editor.renderer.scroller.setCapture) {
                  editor.renderer.scroller.setCapture();
              }
              editor.setStyle("ace_selecting");
              this.setState("select");
          };
  
          this.select = function () {
              var anchor, editor = this.editor;
              var cursor = editor.renderer.screenToTextCoordinates(this.x, this.y);
              if (this.$clickSelection) {
                  var cmp = this.$clickSelection.comparePoint(cursor);
  
                  if (cmp == -1) {
                      anchor = this.$clickSelection.end;
                  } else if (cmp == 1) {
                      anchor = this.$clickSelection.start;
                  } else {
                      var orientedRange = calcRangeOrientation(this.$clickSelection, cursor);
                      cursor = orientedRange.cursor;
                      anchor = orientedRange.anchor;
                  }
                  editor.selection.setSelectionAnchor(anchor.row, anchor.column);
              }
              editor.selection.selectToPosition(cursor);
              editor.renderer.scrollCursorIntoView();
          };
  
          this.extendSelectionBy = function (unitName) {
              var anchor, editor = this.editor;
              var cursor = editor.renderer.screenToTextCoordinates(this.x, this.y);
              var range = editor.selection[unitName](cursor.row, cursor.column);
              if (this.$clickSelection) {
                  var cmpStart = this.$clickSelection.comparePoint(range.start);
                  var cmpEnd = this.$clickSelection.comparePoint(range.end);
  
                  if (cmpStart == -1 && cmpEnd <= 0) {
                      anchor = this.$clickSelection.end;
                      if (range.end.row != cursor.row || range.end.column != cursor.column)
                          cursor = range.start;
                  } else if (cmpEnd == 1 && cmpStart >= 0) {
                      anchor = this.$clickSelection.start;
                      if (range.start.row != cursor.row || range.start.column != cursor.column)
                          cursor = range.end;
                  } else if (cmpStart == -1 && cmpEnd == 1) {
                      cursor = range.end;
                      anchor = range.start;
                  } else {
                      var orientedRange = calcRangeOrientation(this.$clickSelection, cursor);
                      cursor = orientedRange.cursor;
                      anchor = orientedRange.anchor;
                  }
                  editor.selection.setSelectionAnchor(anchor.row, anchor.column);
              }
              editor.selection.selectToPosition(cursor);
              editor.renderer.scrollCursorIntoView();
          };
  
          this.selectEnd =
              this.selectAllEnd =
              this.selectByWordsEnd =
              this.selectByLinesEnd = function () {
                  this.$clickSelection = null;
                  this.editor.unsetStyle("ace_selecting");
                  if (this.editor.renderer.scroller.releaseCapture) {
                      this.editor.renderer.scroller.releaseCapture();
                  }
              };
  
          this.focusWait = function () {
              var distance = calcDistance(this.mousedownEvent.x, this.mousedownEvent.y, this.x, this.y);
              var time = Date.now();
  
              if (distance > DRAG_OFFSET || time - this.mousedownEvent.time > this.$focusTimeout)
                  this.startSelect(this.mousedownEvent.getDocumentPosition());
          };
  
          this.onDoubleClick = function (ev) {
              var pos = ev.getDocumentPosition();
              var editor = this.editor;
              var session = editor.session;
  
              var range = session.getBracketRange(pos);
              if (range) {
                  if (range.isEmpty()) {
                      range.start.column--;
                      range.end.column++;
                  }
                  this.setState("select");
              } else {
                  range = editor.selection.getWordRange(pos.row, pos.column);
                  this.setState("selectByWords");
              }
              this.$clickSelection = range;
              this.select();
          };
  
          this.onTripleClick = function (ev) {
              var pos = ev.getDocumentPosition();
              var editor = this.editor;
  
              this.setState("selectByLines");
              var range = editor.getSelectionRange();
              if (range.isMultiLine() && range.contains(pos.row, pos.column)) {
                  this.$clickSelection = editor.selection.getLineRange(range.start.row);
                  this.$clickSelection.end = editor.selection.getLineRange(range.end.row).end;
              } else {
                  this.$clickSelection = editor.selection.getLineRange(pos.row);
              }
              this.select();
          };
  
          this.onQuadClick = function (ev) {
              var editor = this.editor;
  
              editor.selectAll();
              this.$clickSelection = editor.getSelectionRange();
              this.setState("selectAll");
          };
  
          this.onMouseWheel = function (ev) {
              if (ev.getAccelKey())
                  return;
              if (ev.getShiftKey() && ev.wheelY && !ev.wheelX) {
                  ev.wheelX = ev.wheelY;
                  ev.wheelY = 0;
              }
  
              var editor = this.editor;
  
              if (!this.$lastScroll)
                  this.$lastScroll = {
                      t: 0,
                      vx: 0,
                      vy: 0,
                      allowed: 0
                  };
  
              var prevScroll = this.$lastScroll;
              var t = ev.domEvent.timeStamp;
              var dt = t - prevScroll.t;
              var vx = dt ? ev.wheelX / dt : prevScroll.vx;
              var vy = dt ? ev.wheelY / dt : prevScroll.vy;
              if (dt < SCROLL_COOLDOWN_T) {
                  vx = (vx + prevScroll.vx) / 2;
                  vy = (vy + prevScroll.vy) / 2;
              }
  
              var direction = Math.abs(vx / vy);
  
              var canScroll = false;
              if (direction >= 1 && editor.renderer.isScrollableBy(ev.wheelX * ev.speed, 0))
                  canScroll = true;
              if (direction <= 1 && editor.renderer.isScrollableBy(0, ev.wheelY * ev.speed))
                  canScroll = true;
  
              if (canScroll) {
                  prevScroll.allowed = t;
              } else if (t - prevScroll.allowed < SCROLL_COOLDOWN_T) {
                  var isSlower = Math.abs(vx) <= 1.5 * Math.abs(prevScroll.vx) &&
                      Math.abs(vy) <= 1.5 * Math.abs(prevScroll.vy);
                  if (isSlower) {
                      canScroll = true;
                      prevScroll.allowed = t;
                  } else {
                      prevScroll.allowed = 0;
                  }
              }
  
              prevScroll.t = t;
              prevScroll.vx = vx;
              prevScroll.vy = vy;
  
              if (canScroll) {
                  editor.renderer.scrollBy(ev.wheelX * ev.speed, ev.wheelY * ev.speed);
                  return ev.stop();
              }
          };
  
      }).call(DefaultHandlers.prototype);
  
      exports.DefaultHandlers = DefaultHandlers;
  
      function calcDistance(ax, ay, bx, by) {
          return Math.sqrt(Math.pow(bx - ax, 2) + Math.pow(by - ay, 2));
      }
  
      function calcRangeOrientation(range, cursor) {
          if (range.start.row == range.end.row)
              var cmp = 2 * cursor.column - range.start.column - range.end.column;
          else if (range.start.row == range.end.row - 1 && !range.start.column && !range.end.column)
              var cmp = cursor.column - 4;
          else
              var cmp = 2 * cursor.row - range.start.row - range.end.row;
  
          if (cmp < 0)
              return {
                  cursor: range.start,
                  anchor: range.end
              };
          else
              return {
                  cursor: range.end,
                  anchor: range.start
              };
      }
  
  });
  
  define("ace/tooltip", ["require", "exports", "module", "ace/lib/oop", "ace/lib/dom"], function (require, exports, module) {
      "use strict";
  
      var oop = require("./lib/oop");
      var dom = require("./lib/dom");
  
      function Tooltip(parentNode) {
          this.isOpen = false;
          this.$element = null;
          this.$parentNode = parentNode;
      }
  
      (function () {
          this.$init = function () {
              this.$element = dom.createElement("div");
              this.$element.className = "ace_tooltip";
              this.$element.style.display = "none";
              this.$parentNode.appendChild(this.$element);
              return this.$element;
          };
          this.getElement = function () {
              return this.$element || this.$init();
          };
          this.setText = function (text) {
              this.getElement().textContent = text;
          };
          this.setHtml = function (html) {
              this.getElement().innerHTML = html;
          };
          this.setPosition = function (x, y) {
              this.getElement().style.left = x + "px";
              this.getElement().style.top = y + "px";
          };
          this.setClassName = function (className) {
              dom.addCssClass(this.getElement(), className);
          };
          this.show = function (text, x, y) {
              if (text != null)
                  this.setText(text);
              if (x != null && y != null)
                  this.setPosition(x, y);
              if (!this.isOpen) {
                  this.getElement().style.display = "block";
                  this.isOpen = true;
              }
          };
  
          this.hide = function () {
              if (this.isOpen) {
                  this.getElement().style.display = "none";
                  this.isOpen = false;
              }
          };
          this.getHeight = function () {
              return this.getElement().offsetHeight;
          };
          this.getWidth = function () {
              return this.getElement().offsetWidth;
          };
  
          this.destroy = function () {
              this.isOpen = false;
              if (this.$element && this.$element.parentNode) {
                  this.$element.parentNode.removeChild(this.$element);
              }
          };
  
      }).call(Tooltip.prototype);
  
      exports.Tooltip = Tooltip;
  });
  
  define("ace/mouse/default_gutter_handler", ["require", "exports", "module", "ace/lib/dom", "ace/lib/oop", "ace/lib/event", "ace/tooltip"], function (require, exports, module) {
      "use strict";
      var dom = require("../lib/dom");
      var oop = require("../lib/oop");
      var event = require("../lib/event");
      var Tooltip = require("../tooltip").Tooltip;
  
      function GutterHandler(mouseHandler) {
          var editor = mouseHandler.editor;
          var gutter = editor.renderer.$gutterLayer;
          var tooltip = new GutterTooltip(editor.container);
  
          mouseHandler.editor.setDefaultHandler("guttermousedown", function (e) {
              if (!editor.isFocused() || e.getButton() != 0)
                  return;
              var gutterRegion = gutter.getRegion(e);
  
              if (gutterRegion == "foldWidgets")
                  return;
  
              var row = e.getDocumentPosition().row;
              var selection = editor.session.selection;
  
              if (e.getShiftKey())
                  selection.selectTo(row, 0);
              else {
                  if (e.domEvent.detail == 2) {
                      editor.selectAll();
                      return e.preventDefault();
                  }
                  mouseHandler.$clickSelection = editor.selection.getLineRange(row);
              }
              mouseHandler.setState("selectByLines");
              mouseHandler.captureMouse(e);
              return e.preventDefault();
          });
  
  
          var tooltipTimeout, mouseEvent, tooltipAnnotation;
  
          function showTooltip() {
              var row = mouseEvent.getDocumentPosition().row;
              var annotation = gutter.$annotations[row];
              if (!annotation)
                  return hideTooltip();
  
              var maxRow = editor.session.getLength();
              if (row == maxRow) {
                  var screenRow = editor.renderer.pixelToScreenCoordinates(0, mouseEvent.y).row;
                  var pos = mouseEvent.$pos;
                  if (screenRow > editor.session.documentToScreenRow(pos.row, pos.column))
                      return hideTooltip();
              }
  
              if (tooltipAnnotation == annotation)
                  return;
              tooltipAnnotation = annotation.text.join("<br/>");
  
              tooltip.setHtml(tooltipAnnotation);
              tooltip.show();
              editor._signal("showGutterTooltip", tooltip);
              editor.on("mousewheel", hideTooltip);
  
              if (mouseHandler.$tooltipFollowsMouse) {
                  moveTooltip(mouseEvent);
              } else {
                  var gutterElement = mouseEvent.domEvent.target;
                  var rect = gutterElement.getBoundingClientRect();
                  var style = tooltip.getElement().style;
                  style.left = rect.right + "px";
                  style.top = rect.bottom + "px";
              }
          }
  
          function hideTooltip() {
              if (tooltipTimeout)
                  tooltipTimeout = clearTimeout(tooltipTimeout);
              if (tooltipAnnotation) {
                  tooltip.hide();
                  tooltipAnnotation = null;
                  editor._signal("hideGutterTooltip", tooltip);
                  editor.off("mousewheel", hideTooltip);
              }
          }
  
          function moveTooltip(e) {
              tooltip.setPosition(e.x, e.y);
          }
  
          mouseHandler.editor.setDefaultHandler("guttermousemove", function (e) {
              var target = e.domEvent.target || e.domEvent.srcElement;
              if (dom.hasCssClass(target, "ace_fold-widget"))
                  return hideTooltip();
  
              if (tooltipAnnotation && mouseHandler.$tooltipFollowsMouse)
                  moveTooltip(e);
  
              mouseEvent = e;
              if (tooltipTimeout)
                  return;
              tooltipTimeout = setTimeout(function () {
                  tooltipTimeout = null;
                  if (mouseEvent && !mouseHandler.isMousePressed)
                      showTooltip();
                  else
                      hideTooltip();
              }, 50);
          });
  
          event.addListener(editor.renderer.$gutter, "mouseout", function (e) {
              mouseEvent = null;
              if (!tooltipAnnotation || tooltipTimeout)
                  return;
  
              tooltipTimeout = setTimeout(function () {
                  tooltipTimeout = null;
                  hideTooltip();
              }, 50);
          }, editor);
  
          editor.on("changeSession", hideTooltip);
      }
  
      function GutterTooltip(parentNode) {
          Tooltip.call(this, parentNode);
      }
  
      oop.inherits(GutterTooltip, Tooltip);
  
      (function () {
          this.setPosition = function (x, y) {
              var windowWidth = window.innerWidth || document.documentElement.clientWidth;
              var windowHeight = window.innerHeight || document.documentElement.clientHeight;
              var width = this.getWidth();
              var height = this.getHeight();
              x += 15;
              y += 15;
              if (x + width > windowWidth) {
                  x -= (x + width) - windowWidth;
              }
              if (y + height > windowHeight) {
                  y -= 20 + height;
              }
              Tooltip.prototype.setPosition.call(this, x, y);
          };
  
      }).call(GutterTooltip.prototype);
  
  
  
      exports.GutterHandler = GutterHandler;
  
  });
  
  define("ace/mouse/mouse_event", ["require", "exports", "module", "ace/lib/event", "ace/lib/useragent"], function (require, exports, module) {
      "use strict";
  
      var event = require("../lib/event");
      var useragent = require("../lib/useragent");
      var MouseEvent = exports.MouseEvent = function (domEvent, editor) {
          this.domEvent = domEvent;
          this.editor = editor;
  
          this.x = this.clientX = domEvent.clientX;
          this.y = this.clientY = domEvent.clientY;
  
          this.$pos = null;
          this.$inSelection = null;
  
          this.propagationStopped = false;
          this.defaultPrevented = false;
      };
  
      (function () {
  
          this.stopPropagation = function () {
              event.stopPropagation(this.domEvent);
              this.propagationStopped = true;
          };
  
          this.preventDefault = function () {
              event.preventDefault(this.domEvent);
              this.defaultPrevented = true;
          };
  
          this.stop = function () {
              this.stopPropagation();
              this.preventDefault();
          };
          this.getDocumentPosition = function () {
              if (this.$pos)
                  return this.$pos;
  
              this.$pos = this.editor.renderer.screenToTextCoordinates(this.clientX, this.clientY);
              return this.$pos;
          };
          this.inSelection = function () {
              if (this.$inSelection !== null)
                  return this.$inSelection;
  
              var editor = this.editor;
  
  
              var selectionRange = editor.getSelectionRange();
              if (selectionRange.isEmpty())
                  this.$inSelection = false;
              else {
                  var pos = this.getDocumentPosition();
                  this.$inSelection = selectionRange.contains(pos.row, pos.column);
              }
  
              return this.$inSelection;
          };
          this.getButton = function () {
              return event.getButton(this.domEvent);
          };
          this.getShiftKey = function () {
              return this.domEvent.shiftKey;
          };
  
          this.getAccelKey = useragent.isMac ?
              function () {
                  return this.domEvent.metaKey;
              } :
              function () {
                  return this.domEvent.ctrlKey;
              };
  
      }).call(MouseEvent.prototype);
  
  });
  
  define("ace/mouse/dragdrop_handler", ["require", "exports", "module", "ace/lib/dom", "ace/lib/event", "ace/lib/useragent"], function (require, exports, module) {
      "use strict";
  
      var dom = require("../lib/dom");
      var event = require("../lib/event");
      var useragent = require("../lib/useragent");
  
      var AUTOSCROLL_DELAY = 200;
      var SCROLL_CURSOR_DELAY = 200;
      var SCROLL_CURSOR_HYSTERESIS = 5;
  
      function DragdropHandler(mouseHandler) {
  
          var editor = mouseHandler.editor;
  
          var blankImage = dom.createElement("img");
          blankImage.src = "data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==";
          if (useragent.isOpera)
              blankImage.style.cssText = "width:1px;height:1px;position:fixed;top:0;left:0;z-index:2147483647;opacity:0;";
  
          var exports = ["dragWait", "dragWaitEnd", "startDrag", "dragReadyEnd", "onMouseDrag"];
  
          exports.forEach(function (x) {
              mouseHandler[x] = this[x];
          }, this);
          editor.on("mousedown", this.onMouseDown.bind(mouseHandler));
  
  
          var mouseTarget = editor.container;
          var dragSelectionMarker, x, y;
          var timerId, range;
          var dragCursor, counter = 0;
          var dragOperation;
          var isInternal;
          var autoScrollStartTime;
          var cursorMovedTime;
          var cursorPointOnCaretMoved;
  
          this.onDragStart = function (e) {
              if (this.cancelDrag || !mouseTarget.draggable) {
                  var self = this;
                  setTimeout(function () {
                      self.startSelect();
                      self.captureMouse(e);
                  }, 0);
                  return e.preventDefault();
              }
              range = editor.getSelectionRange();
  
              var dataTransfer = e.dataTransfer;
              dataTransfer.effectAllowed = editor.getReadOnly() ? "copy" : "copyMove";
              if (useragent.isOpera) {
                  editor.container.appendChild(blankImage);
                  blankImage.scrollTop = 0;
              }
              dataTransfer.setDragImage && dataTransfer.setDragImage(blankImage, 0, 0);
              if (useragent.isOpera) {
                  editor.container.removeChild(blankImage);
              }
              dataTransfer.clearData();
              dataTransfer.setData("Text", editor.session.getTextRange());
  
              isInternal = true;
              this.setState("drag");
          };
  
          this.onDragEnd = function (e) {
              mouseTarget.draggable = false;
              isInternal = false;
              this.setState(null);
              if (!editor.getReadOnly()) {
                  var dropEffect = e.dataTransfer.dropEffect;
                  if (!dragOperation && dropEffect == "move")
                      editor.session.remove(editor.getSelectionRange());
                  editor.$resetCursorStyle();
              }
              this.editor.unsetStyle("ace_dragging");
              this.editor.renderer.setCursorStyle("");
          };
  
          this.onDragEnter = function (e) {
              if (editor.getReadOnly() || !canAccept(e.dataTransfer))
                  return;
              x = e.clientX;
              y = e.clientY;
              if (!dragSelectionMarker)
                  addDragMarker();
              counter++;
              e.dataTransfer.dropEffect = dragOperation = getDropEffect(e);
              return event.preventDefault(e);
          };
  
          this.onDragOver = function (e) {
              if (editor.getReadOnly() || !canAccept(e.dataTransfer))
                  return;
              x = e.clientX;
              y = e.clientY;
              if (!dragSelectionMarker) {
                  addDragMarker();
                  counter++;
              }
              if (onMouseMoveTimer !== null)
                  onMouseMoveTimer = null;
  
              e.dataTransfer.dropEffect = dragOperation = getDropEffect(e);
              return event.preventDefault(e);
          };
  
          this.onDragLeave = function (e) {
              counter--;
              if (counter <= 0 && dragSelectionMarker) {
                  clearDragMarker();
                  dragOperation = null;
                  return event.preventDefault(e);
              }
          };
  
          this.onDrop = function (e) {
              if (!dragCursor)
                  return;
              var dataTransfer = e.dataTransfer;
              if (isInternal) {
                  switch (dragOperation) {
                      case "move":
                          if (range.contains(dragCursor.row, dragCursor.column)) {
                              range = {
                                  start: dragCursor,
                                  end: dragCursor
                              };
                          } else {
                              range = editor.moveText(range, dragCursor);
                          }
                          break;
                      case "copy":
                          range = editor.moveText(range, dragCursor, true);
                          break;
                  }
              } else {
                  var dropData = dataTransfer.getData('Text');
                  range = {
                      start: dragCursor,
                      end: editor.session.insert(dragCursor, dropData)
                  };
                  editor.focus();
                  dragOperation = null;
              }
              clearDragMarker();
              return event.preventDefault(e);
          };
  
          event.addListener(mouseTarget, "dragstart", this.onDragStart.bind(mouseHandler), editor);
          event.addListener(mouseTarget, "dragend", this.onDragEnd.bind(mouseHandler), editor);
          event.addListener(mouseTarget, "dragenter", this.onDragEnter.bind(mouseHandler), editor);
          event.addListener(mouseTarget, "dragover", this.onDragOver.bind(mouseHandler), editor);
          event.addListener(mouseTarget, "dragleave", this.onDragLeave.bind(mouseHandler), editor);
          event.addListener(mouseTarget, "drop", this.onDrop.bind(mouseHandler), editor);
  
          function scrollCursorIntoView(cursor, prevCursor) {
              var now = Date.now();
              var vMovement = !prevCursor || cursor.row != prevCursor.row;
              var hMovement = !prevCursor || cursor.column != prevCursor.column;
              if (!cursorMovedTime || vMovement || hMovement) {
                  editor.moveCursorToPosition(cursor);
                  cursorMovedTime = now;
                  cursorPointOnCaretMoved = {
                      x: x,
                      y: y
                  };
              } else {
                  var distance = calcDistance(cursorPointOnCaretMoved.x, cursorPointOnCaretMoved.y, x, y);
                  if (distance > SCROLL_CURSOR_HYSTERESIS) {
                      cursorMovedTime = null;
                  } else if (now - cursorMovedTime >= SCROLL_CURSOR_DELAY) {
                      editor.renderer.scrollCursorIntoView();
                      cursorMovedTime = null;
                  }
              }
          }
  
          function autoScroll(cursor, prevCursor) {
              var now = Date.now();
              var lineHeight = editor.renderer.layerConfig.lineHeight;
              var characterWidth = editor.renderer.layerConfig.characterWidth;
              var editorRect = editor.renderer.scroller.getBoundingClientRect();
              var offsets = {
                  x: {
                      left: x - editorRect.left,
                      right: editorRect.right - x
                  },
                  y: {
                      top: y - editorRect.top,
                      bottom: editorRect.bottom - y
                  }
              };
              var nearestXOffset = Math.min(offsets.x.left, offsets.x.right);
              var nearestYOffset = Math.min(offsets.y.top, offsets.y.bottom);
              var scrollCursor = {
                  row: cursor.row,
                  column: cursor.column
              };
              if (nearestXOffset / characterWidth <= 2) {
                  scrollCursor.column += (offsets.x.left < offsets.x.right ? -3 : +2);
              }
              if (nearestYOffset / lineHeight <= 1) {
                  scrollCursor.row += (offsets.y.top < offsets.y.bottom ? -1 : +1);
              }
              var vScroll = cursor.row != scrollCursor.row;
              var hScroll = cursor.column != scrollCursor.column;
              var vMovement = !prevCursor || cursor.row != prevCursor.row;
              if (vScroll || (hScroll && !vMovement)) {
                  if (!autoScrollStartTime)
                      autoScrollStartTime = now;
                  else if (now - autoScrollStartTime >= AUTOSCROLL_DELAY)
                      editor.renderer.scrollCursorIntoView(scrollCursor);
              } else {
                  autoScrollStartTime = null;
              }
          }
  
          function onDragInterval() {
              var prevCursor = dragCursor;
              dragCursor = editor.renderer.screenToTextCoordinates(x, y);
              scrollCursorIntoView(dragCursor, prevCursor);
              autoScroll(dragCursor, prevCursor);
          }
  
          function addDragMarker() {
              range = editor.selection.toOrientedRange();
              dragSelectionMarker = editor.session.addMarker(range, "ace_selection", editor.getSelectionStyle());
              editor.clearSelection();
              if (editor.isFocused())
                  editor.renderer.$cursorLayer.setBlinking(false);
              clearInterval(timerId);
              onDragInterval();
              timerId = setInterval(onDragInterval, 20);
              counter = 0;
              event.addListener(document, "mousemove", onMouseMove);
          }
  
          function clearDragMarker() {
              clearInterval(timerId);
              editor.session.removeMarker(dragSelectionMarker);
              dragSelectionMarker = null;
              editor.selection.fromOrientedRange(range);
              if (editor.isFocused() && !isInternal)
                  editor.$resetCursorStyle();
              range = null;
              dragCursor = null;
              counter = 0;
              autoScrollStartTime = null;
              cursorMovedTime = null;
              event.removeListener(document, "mousemove", onMouseMove);
          }
          var onMouseMoveTimer = null;
  
          function onMouseMove() {
              if (onMouseMoveTimer == null) {
                  onMouseMoveTimer = setTimeout(function () {
                      if (onMouseMoveTimer != null && dragSelectionMarker)
                          clearDragMarker();
                  }, 20);
              }
          }
  
          function canAccept(dataTransfer) {
              var types = dataTransfer.types;
              return !types || Array.prototype.some.call(types, function (type) {
                  return type == 'text/plain' || type == 'Text';
              });
          }
  
          function getDropEffect(e) {
              var copyAllowed = ['copy', 'copymove', 'all', 'uninitialized'];
              var moveAllowed = ['move', 'copymove', 'linkmove', 'all', 'uninitialized'];
  
              var copyModifierState = useragent.isMac ? e.altKey : e.ctrlKey;
              var effectAllowed = "uninitialized";
              try {
                  effectAllowed = e.dataTransfer.effectAllowed.toLowerCase();
              } catch (e) {}
              var dropEffect = "none";
  
              if (copyModifierState && copyAllowed.indexOf(effectAllowed) >= 0)
                  dropEffect = "copy";
              else if (moveAllowed.indexOf(effectAllowed) >= 0)
                  dropEffect = "move";
              else if (copyAllowed.indexOf(effectAllowed) >= 0)
                  dropEffect = "copy";
  
              return dropEffect;
          }
      }
  
      (function () {
  
          this.dragWait = function () {
              var interval = Date.now() - this.mousedownEvent.time;
              if (interval > this.editor.getDragDelay())
                  this.startDrag();
          };
  
          this.dragWaitEnd = function () {
              var target = this.editor.container;
              target.draggable = false;
              this.startSelect(this.mousedownEvent.getDocumentPosition());
              this.selectEnd();
          };
  
          this.dragReadyEnd = function (e) {
              this.editor.$resetCursorStyle();
              this.editor.unsetStyle("ace_dragging");
              this.editor.renderer.setCursorStyle("");
              this.dragWaitEnd();
          };
  
          this.startDrag = function () {
              this.cancelDrag = false;
              var editor = this.editor;
              var target = editor.container;
              target.draggable = true;
              editor.renderer.$cursorLayer.setBlinking(false);
              editor.setStyle("ace_dragging");
              var cursorStyle = useragent.isWin ? "default" : "move";
              editor.renderer.setCursorStyle(cursorStyle);
              this.setState("dragReady");
          };
  
          this.onMouseDrag = function (e) {
              var target = this.editor.container;
              if (useragent.isIE && this.state == "dragReady") {
                  var distance = calcDistance(this.mousedownEvent.x, this.mousedownEvent.y, this.x, this.y);
                  if (distance > 3)
                      target.dragDrop();
              }
              if (this.state === "dragWait") {
                  var distance = calcDistance(this.mousedownEvent.x, this.mousedownEvent.y, this.x, this.y);
                  if (distance > 0) {
                      target.draggable = false;
                      this.startSelect(this.mousedownEvent.getDocumentPosition());
                  }
              }
          };
  
          this.onMouseDown = function (e) {
              if (!this.$dragEnabled)
                  return;
              this.mousedownEvent = e;
              var editor = this.editor;
  
              var inSelection = e.inSelection();
              var button = e.getButton();
              var clickCount = e.domEvent.detail || 1;
              if (clickCount === 1 && button === 0 && inSelection) {
                  if (e.editor.inMultiSelectMode && (e.getAccelKey() || e.getShiftKey()))
                      return;
                  this.mousedownEvent.time = Date.now();
                  var eventTarget = e.domEvent.target || e.domEvent.srcElement;
                  if ("unselectable" in eventTarget)
                      eventTarget.unselectable = "on";
                  if (editor.getDragDelay()) {
                      if (useragent.isWebKit) {
                          this.cancelDrag = true;
                          var mouseTarget = editor.container;
                          mouseTarget.draggable = true;
                      }
                      this.setState("dragWait");
                  } else {
                      this.startDrag();
                  }
                  this.captureMouse(e, this.onMouseDrag.bind(this));
                  e.defaultPrevented = true;
              }
          };
  
      }).call(DragdropHandler.prototype);
  
  
      function calcDistance(ax, ay, bx, by) {
          return Math.sqrt(Math.pow(bx - ax, 2) + Math.pow(by - ay, 2));
      }
  
      exports.DragdropHandler = DragdropHandler;
  
  });
  
  define("ace/mouse/touch_handler", ["require", "exports", "module", "ace/mouse/mouse_event", "ace/lib/dom"], function (require, exports, module) {
      "use strict";
  
      var MouseEvent = require("./mouse_event").MouseEvent;
  
      exports.addTouchListeners = function (el, editor) {
          var mode = "scroll";
          var startX;
          var startY;
          var touchStartT;
          var longTouchTimer;
          var animationTimer;
          var animationSteps = 0;
          var pos;
          var mvY, mvX, animation, ge,
              arX = [],
              arY = [];
          el.addEventListener("touchstart", function (e) {
              if (e.target.parentElement.className === "clipboard-contextmneu") return;
              if (e.target.classList.contains("cursor-control")) return;
              cancelAnimationFrame(animation);
              var touches = e.touches;
              if (longTouchTimer || touches.length > 1) {
                  clearTimeout(longTouchTimer);
                  longTouchTimer = null;
                  touchStartT = -1;
                  mode = "zoom";
                  return;
              }
              var h = editor.renderer.layerConfig.lineHeight;
              var w = editor.renderer.layerConfig.lineHeight;
              var t = e.timeStamp;
              var touchObj = touches[0];
              var x = touchObj.clientX;
              var y = touchObj.clientY;
              if (Math.abs(startX - x) + Math.abs(startY - y) > h)
                  touchStartT = -1;
              startX = e.clientX = x;
              startY = e.clientY = y;
              var ev = new MouseEvent(e, editor);
              pos = ev.getDocumentPosition();
              if (t - touchStartT < 500 && touches.length == 1 && !animationSteps) {
                  e.preventDefault();
                  e.button = 0;
              } else {
                  var cursor = editor.selection.cursor;
                  var anchor = editor.selection.isEmpty() ? cursor : editor.selection.anchor;
                  var cursorPos = editor.renderer.$cursorLayer.getPixelPosition(cursor, true);
                  var anchorPos = editor.renderer.$cursorLayer.getPixelPosition(anchor, true);
                  var rect = editor.renderer.scroller.getBoundingClientRect();
                  var weightedDistance = function (x, y) {
                      x = x / w;
                      y = y / h - 0.75;
                      return x * x + y * y;
                  };
                  if (e.clientX < rect.left) {
                      mode = "zoom";
                      return;
                  }
                  var diff1 = weightedDistance(
                      e.clientX - rect.left - cursorPos.left,
                      e.clientY - rect.top - cursorPos.top
                  );
                  var diff2 = weightedDistance(
                      e.clientX - rect.left - anchorPos.left,
                      e.clientY - rect.top - anchorPos.top
                  );
                  if (diff1 < 3.5 && diff2 < 3.5)
                      mode = diff1 > diff2 ? "cursor" : "anchor";
                  if (diff2 < 3.5)
                      mode = "anchor";
                  else if (diff1 < 3.5)
                      mode = "cursor";
                  else
                      mode = "scroll";
                  longTouchTimer = setTimeout(handleLongTap, 450);
              }
              touchStartT = t;
          });
          el.addEventListener("touchend", function (e) {
              if (animationTimer) clearInterval(animationTimer);
              if (mode == "zoom") {
                  mode = "";
                  animationSteps = 0;
              } else if (longTouchTimer) {
                  editor.selection.moveToPosition(pos);
                  animationSteps = 0;
              } else if (mode == "scroll") {
                  var sum = 0;
                  var tx = parseInt(Math.abs(mvX));
                  var ty = parseInt(Math.abs(mvY));
                  tx = tx * Math.sqrt(tx);
                  ty = ty * Math.sqrt(ty);
                  arX = [];
                  arY = [];
                  for (var i = 1; sum < tx; ++i) {
                      sum += i;
                      arX.push(i);
                  }
                  sum = 0;
                  for (var _i = 1; sum < ty; ++_i) {
                      sum += _i;
                      arY.push(_i);
                  }
                  requestAnimationFrame(animate);
                  e.preventDefault();
              }
              clearTimeout(longTouchTimer);
              longTouchTimer = null;
          });
          el.addEventListener("touchmove", function (e) {
              if (e.target.parentElement.className === "clipboard-contextmneu") return;
              if (e.target.classList.contains("cursor-control")) return;
              if (longTouchTimer) {
                  clearTimeout(longTouchTimer);
                  longTouchTimer = null;
              }
              var touches = e.touches;
              if (touches.length > 1 || mode == "zoom") return;
              var touchObj = touches[0];
              var wheelX = startX - touchObj.clientX;
              var wheelY = startY - touchObj.clientY;
              if (mode == "wait") {
                  if (wheelX * wheelX + wheelY * wheelY > 4)
                      mode = "cursor";
                  else
                      return e.preventDefault();
              }
              mvX = startX - touchObj.clientX;
              mvY = startY - touchObj.clientY;
              startX = touchObj.clientX;
              startY = touchObj.clientY;
              e.clientX = touchObj.clientX;
              e.clientY = touchObj.clientY;
              if (mode == "scroll") {
                  // editor.renderer.scrollBy(mvX, mvY);	
                  ge = e;
                  scroll(e, mvX, mvY);
              } else {
                  e.preventDefault();
              }
          });
  
          function animate() {
              var xlen = arX.length;
              var ylen = arY.length;
              if (xlen === 0 && ylen === 0) {
                  mvX = 0;
                  mvY = 0;
                  return;
              }
              var xsign = mvX < 0 ? -1 : 1;
              var ysign = mvY < 0 ? -1 : 1;
              // editor.renderer.scrollBy(xlen ? xsign * arX.pop() : 0, ylen ? ysign * arY.pop() : 0);	
              var x = xlen ? xsign * arX.pop() : 0;
              var y = ylen ? ysign * arY.pop() : 0;
              scroll(ge, x, y);
              animation = requestAnimationFrame(animate);
          }
  
          function scroll(e, x, y) {
              var mouseEvent = new MouseEvent(e, editor);
              mouseEvent.speed = 1;
              mouseEvent.wheelX = x;
              mouseEvent.wheelY = y;
              editor._emit('mousewheel', mouseEvent);
          }
  
          function handleLongTap() {
              clearTimeout(longTouchTimer);
              longTouchTimer = null;
              mode = "wait";
          }
  
          function switchToSelectionMode() {
              clearTimeout(longTouchTimer);
              longTouchTimer = null;
              editor.gotoLine(parseInt(pos.row + 1), parseInt(pos.column + 1));
              Acode.exec("select-word");
          }
      };
  });
  
  define("ace/lib/net", ["require", "exports", "module", "ace/lib/dom"], function (require, exports, module) {
      "use strict";
      var dom = require("./dom");
  
      exports.get = function (url, callback) {
          var xhr = new XMLHttpRequest();
          xhr.open('GET', url, true);
          xhr.onreadystatechange = function () {
              if (xhr.readyState === 4) {
                  callback(xhr.responseText);
              }
          };
          xhr.send(null);
      };
  
      exports.loadScript = function (path, callback) {
          var head = dom.getDocumentHead();
          var s = document.createElement('script');
  
          s.src = path;
          head.appendChild(s);
  
          s.onload = s.onreadystatechange = function (_, isAbort) {
              if (isAbort || !s.readyState || s.readyState == "loaded" || s.readyState == "complete") {
                  s = s.onload = s.onreadystatechange = null;
                  if (!isAbort)
                      callback();
              }
          };
      };
      exports.qualifyURL = function (url) {
          var a = document.createElement('a');
          a.href = url;
          return a.href;
      };
  
  });
  
  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;
          this.on(eventName, function newCallback() {
              _self.off(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 (!eventName) this._eventRegistry = this._defaultHandlers = undefined;
          if (this._eventRegistry) this._eventRegistry[eventName] = undefined;
          if (this._defaultHandlers) this._defaultHandlers[eventName] = undefined;
      };
  
      exports.EventEmitter = EventEmitter;
  
  });
  
  define("ace/lib/app_config", ["require", "exports", "module", "ace/lib/oop", "ace/lib/event_emitter"], function (require, exports, module) {
      "no use strict";
  
      var oop = require("./oop");
      var EventEmitter = require("./event_emitter").EventEmitter;
  
      var optionsProvider = {
          setOptions: function (optList) {
              Object.keys(optList).forEach(function (key) {
                  this.setOption(key, optList[key]);
              }, this);
          },
          getOptions: function (optionNames) {
              var result = {};
              if (!optionNames) {
                  var options = this.$options;
                  optionNames = Object.keys(options).filter(function (key) {
                      return !options[key].hidden;
                  });
              } else if (!Array.isArray(optionNames)) {
                  result = optionNames;
                  optionNames = Object.keys(result);
              }
              optionNames.forEach(function (key) {
                  result[key] = this.getOption(key);
              }, this);
              return result;
          },
          setOption: function (name, value) {
              if (this["$" + name] === value)
                  return;
              var opt = this.$options[name];
              if (!opt) {
                  return warn('misspelled option "' + name + '"');
              }
              if (opt.forwardTo)
                  return this[opt.forwardTo] && this[opt.forwardTo].setOption(name, value);
  
              if (!opt.handlesSet)
                  this["$" + name] = value;
              if (opt && opt.set)
                  opt.set.call(this, value);
          },
          getOption: function (name) {
              var opt = this.$options[name];
              if (!opt) {
                  return warn('misspelled option "' + name + '"');
              }
              if (opt.forwardTo)
                  return this[opt.forwardTo] && this[opt.forwardTo].getOption(name);
              return opt && opt.get ? opt.get.call(this) : this["$" + name];
          }
      };
  
      function warn(message) {
          if (typeof console != "undefined" && console.warn)
              console.warn.apply(console, arguments);
      }
  
      function reportError(msg, data) {
          var e = new Error(msg);
          e.data = data;
          if (typeof console == "object" && console.error)
              console.error(e);
          setTimeout(function () {
              throw e;
          });
      }
  
      var AppConfig = function () {
          this.$defaultOptions = {};
      };
  
      (function () {
          oop.implement(this, EventEmitter);
          this.defineOptions = function (obj, path, options) {
              if (!obj.$options)
                  this.$defaultOptions[path] = obj.$options = {};
  
              Object.keys(options).forEach(function (key) {
                  var opt = options[key];
                  if (typeof opt == "string")
                      opt = {
                          forwardTo: opt
                      };
  
                  opt.name || (opt.name = key);
                  obj.$options[opt.name] = opt;
                  if ("initialValue" in opt)
                      obj["$" + opt.name] = opt.initialValue;
              });
              oop.implement(obj, optionsProvider);
  
              return this;
          };
  
          this.resetOptions = function (obj) {
              Object.keys(obj.$options).forEach(function (key) {
                  var opt = obj.$options[key];
                  if ("value" in opt)
                      obj.setOption(key, opt.value);
              });
          };
  
          this.setDefaultValue = function (path, name, value) {
              if (!path) {
                  for (path in this.$defaultOptions)
                      if (this.$defaultOptions[path][name])
                          break;
                  if (!this.$defaultOptions[path][name])
                      return false;
              }
              var opts = this.$defaultOptions[path] || (this.$defaultOptions[path] = {});
              if (opts[name]) {
                  if (opts.forwardTo)
                      this.setDefaultValue(opts.forwardTo, name, value);
                  else
                      opts[name].value = value;
              }
          };
  
          this.setDefaultValues = function (path, optionHash) {
              Object.keys(optionHash).forEach(function (key) {
                  this.setDefaultValue(path, key, optionHash[key]);
              }, this);
          };
  
          this.warn = warn;
          this.reportError = reportError;
  
      }).call(AppConfig.prototype);
  
      exports.AppConfig = AppConfig;
  
  });
  
  define("ace/config", ["require", "exports", "module", "ace/lib/lang", "ace/lib/oop", "ace/lib/net", "ace/lib/app_config"], function (require, exports, module) {
      "no use strict";
  
      var lang = require("./lib/lang");
      var oop = require("./lib/oop");
      var net = require("./lib/net");
      var AppConfig = require("./lib/app_config").AppConfig;
  
      module.exports = exports = new AppConfig();
  
      var global = (function () {
          return this || typeof window != "undefined" && window;
      })();
  
      var options = {
          packaged: false,
          workerPath: null,
          modePath: null,
          themePath: null,
          basePath: "",
          suffix: ".js",
          $moduleUrls: {},
          loadWorkerFromBlob: true,
          sharedPopups: false
      };
  
      exports.get = function (key) {
          if (!options.hasOwnProperty(key))
              throw new Error("Unknown config key: " + key);
  
          return options[key];
      };
  
      exports.set = function (key, value) {
          if (options.hasOwnProperty(key))
              options[key] = value;
          else if (this.setDefaultValue("", key, value) == false)
              throw new Error("Unknown config key: " + key);
      };
  
      exports.all = function () {
          return lang.copyObject(options);
      };
  
      exports.$modes = {};
      exports.moduleUrl = function (name, component) {
          if (options.$moduleUrls[name])
              return options.$moduleUrls[name];
  
          var parts = name.split("/");
          component = component || parts[parts.length - 2] || "";
          var sep = component == "snippets" ? "/" : "-";
          var base = parts[parts.length - 1];
          if (component == "worker" && sep == "-") {
              var re = new RegExp("^" + component + "[\\-_]|[\\-_]" + component + "$", "g");
              base = base.replace(re, "");
          }
  
          if ((!base || base == component) && parts.length > 1)
              base = parts[parts.length - 2];
          var path = options[component + "Path"];
          if (path == null) {
              path = options.basePath;
          } else if (sep == "/") {
              component = sep = "";
          }
          if (path && path.slice(-1) != "/")
              path += "/";
          return path + component + sep + base + this.get("suffix");
      };
  
      exports.setModuleUrl = function (name, subst) {
          return options.$moduleUrls[name] = subst;
      };
  
      exports.$loading = {};
      exports.loadModule = function (moduleName, onLoad) {
          var module, moduleType;
          if (Array.isArray(moduleName)) {
              moduleType = moduleName[0];
              moduleName = moduleName[1];
          }
  
          try {
              module = require(moduleName);
          } catch (e) {}
          if (module && !exports.$loading[moduleName])
              return onLoad && onLoad(module);
  
          if (!exports.$loading[moduleName])
              exports.$loading[moduleName] = [];
  
          exports.$loading[moduleName].push(onLoad);
  
          if (exports.$loading[moduleName].length > 1)
              return;
  
          var afterLoad = function () {
              require([moduleName], function (module) {
                  exports._emit("load.module", {
                      name: moduleName,
                      module: module
                  });
                  var listeners = exports.$loading[moduleName];
                  exports.$loading[moduleName] = null;
                  listeners.forEach(function (onLoad) {
                      onLoad && onLoad(module);
                  });
              });
          };
  
          if (!exports.get("packaged"))
              return afterLoad();
  
          net.loadScript(exports.moduleUrl(moduleName, moduleType), afterLoad);
          reportErrorIfPathIsNotConfigured();
      };
  
      var reportErrorIfPathIsNotConfigured = function () {
          if (
              !options.basePath && !options.workerPath &&
              !options.modePath && !options.themePath &&
              !Object.keys(options.$moduleUrls).length
          ) {
              console.error(
                  "Unable to infer path to ace from script src,",
                  "use ace.config.set('basePath', 'path') to enable dynamic loading of modes and themes",
                  "or with webpack use ace/webpack-resolver"
              );
              reportErrorIfPathIsNotConfigured = function () {};
          }
      };
      init(true);
  
      function init(packaged) {
  
          if (!global || !global.document)
              return;
  
          options.packaged = packaged || require.packaged || module.packaged || (global.define && define.packaged);
  
          var scriptOptions = {};
          var scriptUrl = "";
          var currentScript = (document.currentScript || document._currentScript); // native or polyfill
          var currentDocument = currentScript && currentScript.ownerDocument || document;
  
          var scripts = currentDocument.getElementsByTagName("script");
          for (var i = 0; i < scripts.length; i++) {
              var script = scripts[i];
  
              var src = script.src || script.getAttribute("src");
              if (!src)
                  continue;
  
              var attributes = script.attributes;
              for (var j = 0, l = attributes.length; j < l; j++) {
                  var attr = attributes[j];
                  if (attr.name.indexOf("data-ace-") === 0) {
                      scriptOptions[deHyphenate(attr.name.replace(/^data-ace-/, ""))] = attr.value;
                  }
              }
  
              var m = src.match(/^(.*)\/ace(\-\w+)?\.js(\?|$)/);
              if (m)
                  scriptUrl = m[1];
          }
  
          if (scriptUrl) {
              scriptOptions.base = scriptOptions.base || scriptUrl;
              scriptOptions.packaged = true;
          }
  
          scriptOptions.basePath = scriptOptions.base;
          scriptOptions.workerPath = scriptOptions.workerPath || scriptOptions.base;
          scriptOptions.modePath = scriptOptions.modePath || scriptOptions.base;
          scriptOptions.themePath = scriptOptions.themePath || scriptOptions.base;
          delete scriptOptions.base;
  
          for (var key in scriptOptions)
              if (typeof scriptOptions[key] !== "undefined")
                  exports.set(key, scriptOptions[key]);
      }
  
      exports.init = init;
  
      function deHyphenate(str) {
          return str.replace(/-(.)/g, function (m, m1) {
              return m1.toUpperCase();
          });
      }
  
      exports.version = "1.4.12";
  
  });
  
  define("ace/mouse/mouse_handler", ["require", "exports", "module", "ace/lib/event", "ace/lib/useragent", "ace/mouse/default_handlers", "ace/mouse/default_gutter_handler", "ace/mouse/mouse_event", "ace/mouse/dragdrop_handler", "ace/mouse/touch_handler", "ace/config"], function (require, exports, module) {
      "use strict";
  
      var event = require("../lib/event");
      var useragent = require("../lib/useragent");
      var DefaultHandlers = require("./default_handlers").DefaultHandlers;
      var DefaultGutterHandler = require("./default_gutter_handler").GutterHandler;
      var MouseEvent = require("./mouse_event").MouseEvent;
      var DragdropHandler = require("./dragdrop_handler").DragdropHandler;
      var addTouchListeners = require("./touch_handler").addTouchListeners;
      var config = require("../config");
  
      var MouseHandler = function (editor) {
          var _self = this;
          this.editor = editor;
  
          new DefaultHandlers(this);
          new DefaultGutterHandler(this);
          new DragdropHandler(this);
  
          var focusEditor = function (e) {
              var windowBlurred = !document.hasFocus || !document.hasFocus() ||
                  !editor.isFocused() && document.activeElement == (editor.textInput && editor.textInput.getElement());
              if (windowBlurred)
                  window.focus();
              // editor.focus();
          };
  
          var mouseTarget = editor.renderer.getMouseEventTarget();
          event.addListener(mouseTarget, "click", this.onMouseEvent.bind(this, "click"), editor);
          event.addListener(mouseTarget, "mousemove", this.onMouseMove.bind(this, "mousemove"), editor);
          event.addMultiMouseDownListener([
              mouseTarget,
              editor.renderer.scrollBarV && editor.renderer.scrollBarV.inner,
              editor.renderer.scrollBarH && editor.renderer.scrollBarH.inner,
              editor.textInput && editor.textInput.getElement()
          ].filter(Boolean), [400, 300, 250], this, "onMouseEvent", editor);
          event.addMouseWheelListener(editor.container, this.onMouseWheel.bind(this, "mousewheel"), editor);
          addTouchListeners(editor.container, editor);
  
          var gutterEl = editor.renderer.$gutter;
          event.addListener(gutterEl, "mousedown", this.onMouseEvent.bind(this, "guttermousedown"), editor);
          event.addListener(gutterEl, "click", this.onMouseEvent.bind(this, "gutterclick"), editor);
          event.addListener(gutterEl, "dblclick", this.onMouseEvent.bind(this, "gutterdblclick"), editor);
          event.addListener(gutterEl, "mousemove", this.onMouseEvent.bind(this, "guttermousemove"), editor);
  
          event.addListener(mouseTarget, "mousedown", focusEditor, editor);
          event.addListener(gutterEl, "mousedown", focusEditor, editor);
          if (useragent.isIE && editor.renderer.scrollBarV) {
              event.addListener(editor.renderer.scrollBarV.element, "mousedown", focusEditor, editor);
              event.addListener(editor.renderer.scrollBarH.element, "mousedown", focusEditor, editor);
          }
  
          editor.on("mousemove", function (e) {
              if (_self.state || _self.$dragDelay || !_self.$dragEnabled)
                  return;
  
              var character = editor.renderer.screenToTextCoordinates(e.x, e.y);
              var range = editor.session.selection.getRange();
              var renderer = editor.renderer;
  
              if (!range.isEmpty() && range.insideStart(character.row, character.column)) {
                  renderer.setCursorStyle("default");
              } else {
                  renderer.setCursorStyle("");
              }
          }, editor);
      };
  
      (function () {
          this.onMouseEvent = function (name, e) {
              this.editor._emit(name, new MouseEvent(e, this.editor));
          };
  
          this.onMouseMove = function (name, e) {
              var listeners = this.editor._eventRegistry && this.editor._eventRegistry.mousemove;
              if (!listeners || !listeners.length)
                  return;
  
              this.editor._emit(name, new MouseEvent(e, this.editor));
          };
  
          this.onMouseWheel = function (name, e) {
              var mouseEvent = new MouseEvent(e, this.editor);
              mouseEvent.speed = this.$scrollSpeed * 2;
              mouseEvent.wheelX = e.wheelX;
              mouseEvent.wheelY = e.wheelY;
  
              this.editor._emit(name, mouseEvent);
          };
  
          this.setState = function (state) {
              this.state = state;
          };
  
          this.captureMouse = function (ev, mouseMoveHandler) {
              this.x = ev.x;
              this.y = ev.y;
  
              this.isMousePressed = true;
              var editor = this.editor;
              var renderer = this.editor.renderer;
              renderer.$isMousePressed = true;
  
              var self = this;
              var onMouseMove = function (e) {
                  if (!e) return;
                  if (useragent.isWebKit && !e.which && self.releaseMouse)
                      return self.releaseMouse();
  
                  self.x = e.clientX;
                  self.y = e.clientY;
                  mouseMoveHandler && mouseMoveHandler(e);
                  self.mouseEvent = new MouseEvent(e, self.editor);
                  self.$mouseMoved = true;
              };
  
              var onCaptureEnd = function (e) {
                  editor.off("beforeEndOperation", onOperationEnd);
                  clearInterval(timerId);
                  onCaptureInterval();
                  self[self.state + "End"] && self[self.state + "End"](e);
                  self.state = "";
                  self.isMousePressed = renderer.$isMousePressed = false;
                  if (renderer.$keepTextAreaAtCursor)
                      renderer.$moveTextAreaToCursor();
                  self.$onCaptureMouseMove = self.releaseMouse = null;
                  e && self.onMouseEvent("mouseup", e);
                  editor.endOperation();
              };
  
              var onCaptureInterval = function () {
                  self[self.state] && self[self.state]();
                  self.$mouseMoved = false;
              };
  
              if (useragent.isOldIE && ev.domEvent.type == "dblclick") {
                  return setTimeout(function () {
                      onCaptureEnd(ev);
                  });
              }
  
              var onOperationEnd = function (e) {
                  if (!self.releaseMouse) return;
                  if (editor.curOp.command.name && editor.curOp.selectionChanged) {
                      self[self.state + "End"] && self[self.state + "End"]();
                      self.state = "";
                      self.releaseMouse();
                  }
              };
  
              editor.on("beforeEndOperation", onOperationEnd);
              editor.startOperation({
                  command: {
                      name: "mouse"
                  }
              });
  
              self.$onCaptureMouseMove = onMouseMove;
              self.releaseMouse = event.capture(this.editor.container, onMouseMove, onCaptureEnd);
              var timerId = setInterval(onCaptureInterval, 20);
          };
          this.releaseMouse = null;
          this.cancelContextMenu = function () {
              var stop = function (e) {
                  if (e && e.domEvent && e.domEvent.type != "contextmenu")
                      return;
                  this.editor.off("nativecontextmenu", stop);
                  if (e && e.domEvent)
                      event.stopEvent(e.domEvent);
              }.bind(this);
              setTimeout(stop, 10);
              this.editor.on("nativecontextmenu", stop);
          };
          this.destroy = function () {
              if (this.releaseMouse) this.releaseMouse();
          };
      }).call(MouseHandler.prototype);
  
      config.defineOptions(MouseHandler.prototype, "mouseHandler", {
          scrollSpeed: {
              initialValue: 2
          },
          dragDelay: {
              initialValue: (useragent.isMac ? 150 : 0)
          },
          dragEnabled: {
              initialValue: true
          },
          focusTimeout: {
              initialValue: 0
          },
          tooltipFollowsMouse: {
              initialValue: true
          }
      });
  
  
      exports.MouseHandler = MouseHandler;
  });
  
  define("ace/mouse/fold_handler", ["require", "exports", "module", "ace/lib/dom"], function (require, exports, module) {
      "use strict";
      var dom = require("../lib/dom");
  
      function FoldHandler(editor) {
  
          editor.on("click", function (e) {
              var position = e.getDocumentPosition();
              var session = editor.session;
              var fold = session.getFoldAt(position.row, position.column, 1);
              if (fold) {
                  if (e.getAccelKey())
                      session.removeFold(fold);
                  else
                      session.expandFold(fold);
  
                  e.stop();
              }
  
              var target = e.domEvent && e.domEvent.target;
              if (target && dom.hasCssClass(target, "ace_inline_button")) {
                  if (dom.hasCssClass(target, "ace_toggle_wrap")) {
                      session.setOption("wrap", !session.getUseWrapMode());
                      editor.renderer.scrollCursorIntoView();
                  }
              }
          });
  
          editor.on("gutterclick", function (e) {
              var gutterRegion = editor.renderer.$gutterLayer.getRegion(e);
  
              if (gutterRegion == "foldWidgets") {
                  var row = e.getDocumentPosition().row;
                  var session = editor.session;
                  if (session.foldWidgets && session.foldWidgets[row])
                      editor.session.onFoldWidgetClick(row, e);
                  if (editorManager.state === "focus")
                      editor.focus();
                  e.stop();
              }
          });
  
          editor.on("gutterdblclick", function (e) {
              var gutterRegion = editor.renderer.$gutterLayer.getRegion(e);
  
              if (gutterRegion == "foldWidgets") {
                  var row = e.getDocumentPosition().row;
                  var session = editor.session;
                  var data = session.getParentFoldRangeData(row, true);
                  var range = data.range || data.firstRange;
  
                  if (range) {
                      row = range.start.row;
                      var fold = session.getFoldAt(row, session.getLine(row).length, 1);
  
                      if (fold) {
                          session.removeFold(fold);
                      } else {
                          session.addFold("...", range);
                          editor.renderer.scrollCursorIntoView({
                              row: range.start.row,
                              column: 0
                          });
                      }
                  }
                  e.stop();
              }
          });
      }
  
      exports.FoldHandler = FoldHandler;
  
  });
  
  define("ace/keyboard/keybinding", ["require", "exports", "module", "ace/lib/keys", "ace/lib/event"], function (require, exports, module) {
      "use strict";
  
      var keyUtil = require("../lib/keys");
      var event = require("../lib/event");
  
      var KeyBinding = function (editor) {
          this.$editor = editor;
          this.$data = {
              editor: editor
          };
          this.$handlers = [];
          this.setDefaultHandler(editor.commands);
      };
  
      (function () {
          this.setDefaultHandler = function (kb) {
              this.removeKeyboardHandler(this.$defaultHandler);
              this.$defaultHandler = kb;
              this.addKeyboardHandler(kb, 0);
          };
  
          this.setKeyboardHandler = function (kb) {
              var h = this.$handlers;
              if (h[h.length - 1] == kb)
                  return;
  
              while (h[h.length - 1] && h[h.length - 1] != this.$defaultHandler)
                  this.removeKeyboardHandler(h[h.length - 1]);
  
              this.addKeyboardHandler(kb, 1);
          };
  
          this.addKeyboardHandler = function (kb, pos) {
              if (!kb)
                  return;
              if (typeof kb == "function" && !kb.handleKeyboard)
                  kb.handleKeyboard = kb;
              var i = this.$handlers.indexOf(kb);
              if (i != -1)
                  this.$handlers.splice(i, 1);
  
              if (pos == undefined)
                  this.$handlers.push(kb);
              else
                  this.$handlers.splice(pos, 0, kb);
  
              if (i == -1 && kb.attach)
                  kb.attach(this.$editor);
          };
  
          this.removeKeyboardHandler = function (kb) {
              var i = this.$handlers.indexOf(kb);
              if (i == -1)
                  return false;
              this.$handlers.splice(i, 1);
              kb.detach && kb.detach(this.$editor);
              return true;
          };
  
          this.getKeyboardHandler = function () {
              return this.$handlers[this.$handlers.length - 1];
          };
  
          this.getStatusText = function () {
              var data = this.$data;
              var editor = data.editor;
              return this.$handlers.map(function (h) {
                  return h.getStatusText && h.getStatusText(editor, data) || "";
              }).filter(Boolean).join(" ");
          };
  
          this.$callKeyboardHandlers = function (hashId, keyString, keyCode, e) {
              var toExecute;
              var success = false;
              var commands = this.$editor.commands;
  
              for (var i = this.$handlers.length; i--;) {
                  toExecute = this.$handlers[i].handleKeyboard(
                      this.$data, hashId, keyString, keyCode, e
                  );
                  if (!toExecute || !toExecute.command)
                      continue;
                  if (toExecute.command == "null") {
                      success = true;
                  } else {
                      success = commands.exec(toExecute.command, this.$editor, toExecute.args, e);
                  }
                  if (success && e && hashId != -1 &&
                      toExecute.passEvent != true && toExecute.command.passEvent != true
                  ) {
                      event.stopEvent(e);
                  }
                  if (success)
                      break;
              }
  
              if (!success && hashId == -1) {
                  toExecute = {
                      command: "insertstring"
                  };
                  success = commands.exec("insertstring", this.$editor, keyString);
              }
  
              if (success && this.$editor._signal)
                  this.$editor._signal("keyboardActivity", toExecute);
  
              return success;
          };
  
          this.onCommandKey = function (e, hashId, keyCode) {
              var keyString = keyUtil.keyCodeToString(keyCode);
              return this.$callKeyboardHandlers(hashId, keyString, keyCode, e);
          };
  
          this.onTextInput = function (text) {
              return this.$callKeyboardHandlers(-1, text);
          };
  
      }).call(KeyBinding.prototype);
  
      exports.KeyBinding = KeyBinding;
  });
  
  define("ace/lib/bidiutil", ["require", "exports", "module"], function (require, exports, module) {
      "use strict";
  
      var ArabicAlefBetIntervalsBegine = ['\u0621', '\u0641'];
      var ArabicAlefBetIntervalsEnd = ['\u063A', '\u064a'];
      var dir = 0,
          hiLevel = 0;
      var lastArabic = false,
          hasUBAT_AL = false,
          hasUBAT_B = false,
          hasUBAT_S = false,
          hasBlockSep = false,
          hasSegSep = false;
  
      var impTab_LTR = [
          [0, 3, 0, 1, 0, 0, 0],
          [0, 3, 0, 1, 2, 2, 0],
          [0, 3, 0, 0x11, 2, 0, 1],
          [0, 3, 5, 5, 4, 1, 0],
          [0, 3, 0x15, 0x15, 4, 0, 1],
          [0, 3, 5, 5, 4, 2, 0]
      ];
  
      var impTab_RTL = [
          [2, 0, 1, 1, 0, 1, 0],
          [2, 0, 1, 1, 0, 2, 0],
          [2, 0, 2, 1, 3, 2, 0],
          [2, 0, 2, 0x21, 3, 1, 1]
      ];
  
      var LTR = 0,
          RTL = 1;
  
      var L = 0;
      var R = 1;
      var EN = 2;
      var AN = 3;
      var ON = 4;
      var B = 5;
      var S = 6;
      var AL = 7;
      var WS = 8;
      var CS = 9;
      var ES = 10;
      var ET = 11;
      var NSM = 12;
      var LRE = 13;
      var RLE = 14;
      var PDF = 15;
      var LRO = 16;
      var RLO = 17;
      var BN = 18;
  
      var UnicodeTBL00 = [
          BN, BN, BN, BN, BN, BN, BN, BN, BN, S, B, S, WS, B, BN, BN,
          BN, BN, BN, BN, BN, BN, BN, BN, BN, BN, BN, BN, B, B, B, S,
          WS, ON, ON, ET, ET, ET, ON, ON, ON, ON, ON, ES, CS, ES, CS, CS,
          EN, EN, EN, EN, EN, EN, EN, EN, EN, EN, CS, ON, ON, ON, ON, ON,
          ON, L, L, L, L, L, L, L, L, L, L, L, L, L, L, L,
          L, L, L, L, L, L, L, L, L, L, L, ON, ON, ON, ON, ON,
          ON, L, L, L, L, L, L, L, L, L, L, L, L, L, L, L,
          L, L, L, L, L, L, L, L, L, L, L, ON, ON, ON, ON, BN,
          BN, BN, BN, BN, BN, B, BN, BN, BN, BN, BN, BN, BN, BN, BN, BN,
          BN, BN, BN, BN, BN, BN, BN, BN, BN, BN, BN, BN, BN, BN, BN, BN,
          CS, ON, ET, ET, ET, ET, ON, ON, ON, ON, L, ON, ON, BN, ON, ON,
          ET, ET, EN, EN, ON, L, ON, ON, ON, EN, L, ON, ON, ON, ON, ON
      ];
  
      var UnicodeTBL20 = [
          WS, WS, WS, WS, WS, WS, WS, WS, WS, WS, WS, BN, BN, BN, L, R,
          ON, ON, ON, ON, ON, ON, ON, ON, ON, ON, ON, ON, ON, ON, ON, ON,
          ON, ON, ON, ON, ON, ON, ON, ON, WS, B, LRE, RLE, PDF, LRO, RLO, CS,
          ET, ET, ET, ET, ET, ON, ON, ON, ON, ON, ON, ON, ON, ON, ON, ON,
          ON, ON, ON, ON, CS, ON, ON, ON, ON, ON, ON, ON, ON, ON, ON, ON,
          ON, ON, ON, ON, ON, ON, ON, ON, ON, ON, ON, ON, ON, ON, ON, WS
      ];
  
      function _computeLevels(chars, levels, len, charTypes) {
          var impTab = dir ? impTab_RTL : impTab_LTR,
              prevState = null,
              newClass = null,
              newLevel = null,
              newState = 0,
              action = null,
              cond = null,
              condPos = -1,
              i = null,
              ix = null,
              classes = [];
  
          if (!charTypes) {
              for (i = 0, charTypes = []; i < len; i++) {
                  charTypes[i] = _getCharacterType(chars[i]);
              }
          }
          hiLevel = dir;
          lastArabic = false;
          hasUBAT_AL = false;
          hasUBAT_B = false;
          hasUBAT_S = false;
          for (ix = 0; ix < len; ix++) {
              prevState = newState;
              classes[ix] = newClass = _getCharClass(chars, charTypes, classes, ix);
              newState = impTab[prevState][newClass];
              action = newState & 0xF0;
              newState &= 0x0F;
              levels[ix] = newLevel = impTab[newState][5];
              if (action > 0) {
                  if (action == 0x10) {
                      for (i = condPos; i < ix; i++) {
                          levels[i] = 1;
                      }
                      condPos = -1;
                  } else {
                      condPos = -1;
                  }
              }
              cond = impTab[newState][6];
              if (cond) {
                  if (condPos == -1) {
                      condPos = ix;
                  }
              } else {
                  if (condPos > -1) {
                      for (i = condPos; i < ix; i++) {
                          levels[i] = newLevel;
                      }
                      condPos = -1;
                  }
              }
              if (charTypes[ix] == B) {
                  levels[ix] = 0;
              }
              hiLevel |= newLevel;
          }
          if (hasUBAT_S) {
              for (i = 0; i < len; i++) {
                  if (charTypes[i] == S) {
                      levels[i] = dir;
                      for (var j = i - 1; j >= 0; j--) {
                          if (charTypes[j] == WS) {
                              levels[j] = dir;
                          } else {
                              break;
                          }
                      }
                  }
              }
          }
      }
  
      function _invertLevel(lev, levels, _array) {
          if (hiLevel < lev) {
              return;
          }
          if (lev == 1 && dir == RTL && !hasUBAT_B) {
              _array.reverse();
              return;
          }
          var len = _array.length,
              start = 0,
              end, lo, hi, tmp;
          while (start < len) {
              if (levels[start] >= lev) {
                  end = start + 1;
                  while (end < len && levels[end] >= lev) {
                      end++;
                  }
                  for (lo = start, hi = end - 1; lo < hi; lo++, hi--) {
                      tmp = _array[lo];
                      _array[lo] = _array[hi];
                      _array[hi] = tmp;
                  }
                  start = end;
              }
              start++;
          }
      }
  
      function _getCharClass(chars, types, classes, ix) {
          var cType = types[ix],
              wType, nType, len, i;
          switch (cType) {
              case L:
              case R:
                  lastArabic = false;
              case ON:
              case AN:
                  return cType;
              case EN:
                  return lastArabic ? AN : EN;
              case AL:
                  lastArabic = true;
                  hasUBAT_AL = true;
                  return R;
              case WS:
                  return ON;
              case CS:
                  if (ix < 1 || (ix + 1) >= types.length ||
                      ((wType = classes[ix - 1]) != EN && wType != AN) ||
                      ((nType = types[ix + 1]) != EN && nType != AN)) {
                      return ON;
                  }
                  if (lastArabic) {
                      nType = AN;
                  }
                  return nType == wType ? nType : ON;
              case ES:
                  wType = ix > 0 ? classes[ix - 1] : B;
                  if (wType == EN && (ix + 1) < types.length && types[ix + 1] == EN) {
                      return EN;
                  }
                  return ON;
              case ET:
                  if (ix > 0 && classes[ix - 1] == EN) {
                      return EN;
                  }
                  if (lastArabic) {
                      return ON;
                  }
                  i = ix + 1;
                  len = types.length;
                  while (i < len && types[i] == ET) {
                      i++;
                  }
                  if (i < len && types[i] == EN) {
                      return EN;
                  }
                  return ON;
              case NSM:
                  len = types.length;
                  i = ix + 1;
                  while (i < len && types[i] == NSM) {
                      i++;
                  }
                  if (i < len) {
                      var c = chars[ix],
                          rtlCandidate = (c >= 0x0591 && c <= 0x08FF) || c == 0xFB1E;
  
                      wType = types[i];
                      if (rtlCandidate && (wType == R || wType == AL)) {
                          return R;
                      }
                  }
  
                  if (ix < 1 || (wType = types[ix - 1]) == B) {
                      return ON;
                  }
                  return classes[ix - 1];
              case B:
                  lastArabic = false;
                  hasUBAT_B = true;
                  return dir;
              case S:
                  hasUBAT_S = true;
                  return ON;
              case LRE:
              case RLE:
              case LRO:
              case RLO:
              case PDF:
                  lastArabic = false;
              case BN:
                  return ON;
          }
      }
  
      function _getCharacterType(ch) {
          var uc = ch.charCodeAt(0),
              hi = uc >> 8;
  
          if (hi == 0) {
              return ((uc > 0x00BF) ? L : UnicodeTBL00[uc]);
          } else if (hi == 5) {
              return (/[\u0591-\u05f4]/.test(ch) ? R : L);
          } else if (hi == 6) {
              if (/[\u0610-\u061a\u064b-\u065f\u06d6-\u06e4\u06e7-\u06ed]/.test(ch))
                  return NSM;
              else if (/[\u0660-\u0669\u066b-\u066c]/.test(ch))
                  return AN;
              else if (uc == 0x066A)
                  return ET;
              else if (/[\u06f0-\u06f9]/.test(ch))
                  return EN;
              else
                  return AL;
          } else if (hi == 0x20 && uc <= 0x205F) {
              return UnicodeTBL20[uc & 0xFF];
          } else if (hi == 0xFE) {
              return (uc >= 0xFE70 ? AL : ON);
          }
          return ON;
      }
  
      function _isArabicDiacritics(ch) {
          return (ch >= '\u064b' && ch <= '\u0655');
      }
      exports.L = L;
      exports.R = R;
      exports.EN = EN;
      exports.ON_R = 3;
      exports.AN = 4;
      exports.R_H = 5;
      exports.B = 6;
      exports.RLE = 7;
  
      exports.DOT = "\xB7";
      exports.doBidiReorder = function (text, textCharTypes, isRtl) {
          if (text.length < 2)
              return {};
  
          var chars = text.split(""),
              logicalFromVisual = new Array(chars.length),
              bidiLevels = new Array(chars.length),
              levels = [];
  
          dir = isRtl ? RTL : LTR;
  
          _computeLevels(chars, levels, chars.length, textCharTypes);
  
          for (var i = 0; i < logicalFromVisual.length; logicalFromVisual[i] = i, i++);
  
          _invertLevel(2, levels, logicalFromVisual);
          _invertLevel(1, levels, logicalFromVisual);
  
          for (var i = 0; i < logicalFromVisual.length - 1; i++) { //fix levels to reflect character width
              if (textCharTypes[i] === AN) {
                  levels[i] = exports.AN;
              } else if (levels[i] === R && ((textCharTypes[i] > AL && textCharTypes[i] < LRE) ||
                      textCharTypes[i] === ON || textCharTypes[i] === BN)) {
                  levels[i] = exports.ON_R;
              } else if ((i > 0 && chars[i - 1] === '\u0644') && /\u0622|\u0623|\u0625|\u0627/.test(chars[i])) {
                  levels[i - 1] = levels[i] = exports.R_H;
                  i++;
              }
          }
          if (chars[chars.length - 1] === exports.DOT)
              levels[chars.length - 1] = exports.B;
  
          if (chars[0] === '\u202B')
              levels[0] = exports.RLE;
  
          for (var i = 0; i < logicalFromVisual.length; i++) {
              bidiLevels[i] = levels[logicalFromVisual[i]];
          }
  
          return {
              'logicalFromVisual': logicalFromVisual,
              'bidiLevels': bidiLevels
          };
      };
      exports.hasBidiCharacters = function (text, textCharTypes) {
          var ret = false;
          for (var i = 0; i < text.length; i++) {
              textCharTypes[i] = _getCharacterType(text.charAt(i));
              if (!ret && (textCharTypes[i] == R || textCharTypes[i] == AL || textCharTypes[i] == AN))
                  ret = true;
          }
          return ret;
      };
      exports.getVisualFromLogicalIdx = function (logIdx, rowMap) {
          for (var i = 0; i < rowMap.logicalFromVisual.length; i++) {
              if (rowMap.logicalFromVisual[i] == logIdx)
                  return i;
          }
          return 0;
      };
  
  });
  
  define("ace/bidihandler", ["require", "exports", "module", "ace/lib/bidiutil", "ace/lib/lang"], function (require, exports, module) {
      "use strict";
  
      var bidiUtil = require("./lib/bidiutil");
      var lang = require("./lib/lang");
      var bidiRE = /[\u0590-\u05f4\u0600-\u06ff\u0700-\u08ac\u202B]/;
      var BidiHandler = function (session) {
          this.session = session;
          this.bidiMap = {};
          this.currentRow = null;
          this.bidiUtil = bidiUtil;
          this.charWidths = [];
          this.EOL = "\xAC";
          this.showInvisibles = true;
          this.isRtlDir = false;
          this.$isRtl = false;
          this.line = "";
          this.wrapIndent = 0;
          this.EOF = "\xB6";
          this.RLE = "\u202B";
          this.contentWidth = 0;
          this.fontMetrics = null;
          this.rtlLineOffset = 0;
          this.wrapOffset = 0;
          this.isMoveLeftOperation = false;
          this.seenBidi = bidiRE.test(session.getValue());
      };
  
      (function () {
          this.isBidiRow = function (screenRow, docRow, splitIndex) {
              if (!this.seenBidi)
                  return false;
              if (screenRow !== this.currentRow) {
                  this.currentRow = screenRow;
                  this.updateRowLine(docRow, splitIndex);
                  this.updateBidiMap();
              }
              return this.bidiMap.bidiLevels;
          };
  
          this.onChange = function (delta) {
              if (!this.seenBidi) {
                  if (delta.action == "insert" && bidiRE.test(delta.lines.join("\n"))) {
                      this.seenBidi = true;
                      this.currentRow = null;
                  }
              } else {
                  this.currentRow = null;
              }
          };
  
          this.getDocumentRow = function () {
              var docRow = 0;
              var rowCache = this.session.$screenRowCache;
              if (rowCache.length) {
                  var index = this.session.$getRowCacheIndex(rowCache, this.currentRow);
                  if (index >= 0)
                      docRow = this.session.$docRowCache[index];
              }
  
              return docRow;
          };
  
          this.getSplitIndex = function () {
              var splitIndex = 0;
              var rowCache = this.session.$screenRowCache;
              if (rowCache.length) {
                  var currentIndex, prevIndex = this.session.$getRowCacheIndex(rowCache, this.currentRow);
                  while (this.currentRow - splitIndex > 0) {
                      currentIndex = this.session.$getRowCacheIndex(rowCache, this.currentRow - splitIndex - 1);
                      if (currentIndex !== prevIndex)
                          break;
  
                      prevIndex = currentIndex;
                      splitIndex++;
                  }
              } else {
                  splitIndex = this.currentRow;
              }
  
              return splitIndex;
          };
  
          this.updateRowLine = function (docRow, splitIndex) {
              if (docRow === undefined)
                  docRow = this.getDocumentRow();
  
              var isLastRow = (docRow === this.session.getLength() - 1),
                  endOfLine = isLastRow ? this.EOF : this.EOL;
  
              this.wrapIndent = 0;
              this.line = this.session.getLine(docRow);
              this.isRtlDir = this.$isRtl || this.line.charAt(0) === this.RLE;
              if (this.session.$useWrapMode) {
                  var splits = this.session.$wrapData[docRow];
                  if (splits) {
                      if (splitIndex === undefined)
                          splitIndex = this.getSplitIndex();
  
                      if (splitIndex > 0 && splits.length) {
                          this.wrapIndent = splits.indent;
                          this.wrapOffset = this.wrapIndent * this.charWidths[bidiUtil.L];
                          this.line = (splitIndex < splits.length) ?
                              this.line.substring(splits[splitIndex - 1], splits[splitIndex]) :
                              this.line.substring(splits[splits.length - 1]);
                      } else {
                          this.line = this.line.substring(0, splits[splitIndex]);
                      }
                  }
                  if (splitIndex == splits.length)
                      this.line += (this.showInvisibles) ? endOfLine : bidiUtil.DOT;
              } else {
                  this.line += this.showInvisibles ? endOfLine : bidiUtil.DOT;
              }
              var session = this.session,
                  shift = 0,
                  size;
              this.line = this.line.replace(/\t|[\u1100-\u2029, \u202F-\uFFE6]/g, function (ch, i) {
                  if (ch === '\t' || session.isFullWidth(ch.charCodeAt(0))) {
                      size = (ch === '\t') ? session.getScreenTabSize(i + shift) : 2;
                      shift += size - 1;
                      return lang.stringRepeat(bidiUtil.DOT, size);
                  }
                  return ch;
              });
  
              if (this.isRtlDir) {
                  this.fontMetrics.$main.textContent = (this.line.charAt(this.line.length - 1) == bidiUtil.DOT) ? this.line.substr(0, this.line.length - 1) : this.line;
                  this.rtlLineOffset = this.contentWidth - this.fontMetrics.$main.getBoundingClientRect().width;
              }
          };
  
          this.updateBidiMap = function () {
              var textCharTypes = [];
              if (bidiUtil.hasBidiCharacters(this.line, textCharTypes) || this.isRtlDir) {
                  this.bidiMap = bidiUtil.doBidiReorder(this.line, textCharTypes, this.isRtlDir);
              } else {
                  this.bidiMap = {};
              }
          };
          this.markAsDirty = function () {
              this.currentRow = null;
          };
          this.updateCharacterWidths = function (fontMetrics) {
              if (this.characterWidth === fontMetrics.$characterSize.width)
                  return;
  
              this.fontMetrics = fontMetrics;
              var characterWidth = this.characterWidth = fontMetrics.$characterSize.width;
              var bidiCharWidth = fontMetrics.$measureCharWidth("\u05d4");
  
              this.charWidths[bidiUtil.L] = this.charWidths[bidiUtil.EN] = this.charWidths[bidiUtil.ON_R] = characterWidth;
              this.charWidths[bidiUtil.R] = this.charWidths[bidiUtil.AN] = bidiCharWidth;
              this.charWidths[bidiUtil.R_H] = bidiCharWidth * 0.45;
              this.charWidths[bidiUtil.B] = this.charWidths[bidiUtil.RLE] = 0;
  
              this.currentRow = null;
          };
  
          this.setShowInvisibles = function (showInvisibles) {
              this.showInvisibles = showInvisibles;
              this.currentRow = null;
          };
  
          this.setEolChar = function (eolChar) {
              this.EOL = eolChar;
          };
  
          this.setContentWidth = function (width) {
              this.contentWidth = width;
          };
  
          this.isRtlLine = function (row) {
              if (this.$isRtl) return true;
              if (row != undefined)
                  return (this.session.getLine(row).charAt(0) == this.RLE);
              else
                  return this.isRtlDir;
          };
  
          this.setRtlDirection = function (editor, isRtlDir) {
              var cursor = editor.getCursorPosition();
              for (var row = editor.selection.getSelectionAnchor().row; row <= cursor.row; row++) {
                  if (!isRtlDir && editor.session.getLine(row).charAt(0) === editor.session.$bidiHandler.RLE)
                      editor.session.doc.removeInLine(row, 0, 1);
                  else if (isRtlDir && editor.session.getLine(row).charAt(0) !== editor.session.$bidiHandler.RLE)
                      editor.session.doc.insert({
                          column: 0,
                          row: row
                      }, editor.session.$bidiHandler.RLE);
              }
          };
          this.getPosLeft = function (col) {
              col -= this.wrapIndent;
              var leftBoundary = (this.line.charAt(0) === this.RLE) ? 1 : 0;
              var logicalIdx = (col > leftBoundary) ? (this.session.getOverwrite() ? col : col - 1) : leftBoundary;
              var visualIdx = bidiUtil.getVisualFromLogicalIdx(logicalIdx, this.bidiMap),
                  levels = this.bidiMap.bidiLevels,
                  left = 0;
  
              if (!this.session.getOverwrite() && col <= leftBoundary && levels[visualIdx] % 2 !== 0)
                  visualIdx++;
  
              for (var i = 0; i < visualIdx; i++) {
                  left += this.charWidths[levels[i]];
              }
  
              if (!this.session.getOverwrite() && (col > leftBoundary) && (levels[visualIdx] % 2 === 0))
                  left += this.charWidths[levels[visualIdx]];
  
              if (this.wrapIndent)
                  left += this.isRtlDir ? (-1 * this.wrapOffset) : this.wrapOffset;
  
              if (this.isRtlDir)
                  left += this.rtlLineOffset;
  
              return left;
          };
          this.getSelections = function (startCol, endCol) {
              var map = this.bidiMap,
                  levels = map.bidiLevels,
                  level, selections = [],
                  offset = 0,
                  selColMin = Math.min(startCol, endCol) - this.wrapIndent,
                  selColMax = Math.max(startCol, endCol) - this.wrapIndent,
                  isSelected = false,
                  isSelectedPrev = false,
                  selectionStart = 0;
  
              if (this.wrapIndent)
                  offset += this.isRtlDir ? (-1 * this.wrapOffset) : this.wrapOffset;
  
              for (var logIdx, visIdx = 0; visIdx < levels.length; visIdx++) {
                  logIdx = map.logicalFromVisual[visIdx];
                  level = levels[visIdx];
                  isSelected = (logIdx >= selColMin) && (logIdx < selColMax);
                  if (isSelected && !isSelectedPrev) {
                      selectionStart = offset;
                  } else if (!isSelected && isSelectedPrev) {
                      selections.push({
                          left: selectionStart,
                          width: offset - selectionStart
                      });
                  }
                  offset += this.charWidths[level];
                  isSelectedPrev = isSelected;
              }
  
              if (isSelected && (visIdx === levels.length)) {
                  selections.push({
                      left: selectionStart,
                      width: offset - selectionStart
                  });
              }
  
              if (this.isRtlDir) {
                  for (var i = 0; i < selections.length; i++) {
                      selections[i].left += this.rtlLineOffset;
                  }
              }
              return selections;
          };
          this.offsetToCol = function (posX) {
              if (this.isRtlDir)
                  posX -= this.rtlLineOffset;
  
              var logicalIdx = 0,
                  posX = Math.max(posX, 0),
                  offset = 0,
                  visualIdx = 0,
                  levels = this.bidiMap.bidiLevels,
                  charWidth = this.charWidths[levels[visualIdx]];
  
              if (this.wrapIndent)
                  posX -= this.isRtlDir ? (-1 * this.wrapOffset) : this.wrapOffset;
  
              while (posX > offset + charWidth / 2) {
                  offset += charWidth;
                  if (visualIdx === levels.length - 1) {
                      charWidth = 0;
                      break;
                  }
                  charWidth = this.charWidths[levels[++visualIdx]];
              }
  
              if (visualIdx > 0 && (levels[visualIdx - 1] % 2 !== 0) && (levels[visualIdx] % 2 === 0)) {
                  if (posX < offset)
                      visualIdx--;
                  logicalIdx = this.bidiMap.logicalFromVisual[visualIdx];
  
              } else if (visualIdx > 0 && (levels[visualIdx - 1] % 2 === 0) && (levels[visualIdx] % 2 !== 0)) {
                  logicalIdx = 1 + ((posX > offset) ? this.bidiMap.logicalFromVisual[visualIdx] :
                      this.bidiMap.logicalFromVisual[visualIdx - 1]);
  
              } else if ((this.isRtlDir && visualIdx === levels.length - 1 && charWidth === 0 && (levels[visualIdx - 1] % 2 === 0)) ||
                  (!this.isRtlDir && visualIdx === 0 && (levels[visualIdx] % 2 !== 0))) {
                  logicalIdx = 1 + this.bidiMap.logicalFromVisual[visualIdx];
              } else {
                  if (visualIdx > 0 && (levels[visualIdx - 1] % 2 !== 0) && charWidth !== 0)
                      visualIdx--;
                  logicalIdx = this.bidiMap.logicalFromVisual[visualIdx];
              }
  
              if (logicalIdx === 0 && this.isRtlDir)
                  logicalIdx++;
  
              return (logicalIdx + this.wrapIndent);
          };
  
      }).call(BidiHandler.prototype);
  
      exports.BidiHandler = BidiHandler;
  });
  
  define("ace/selection", ["require", "exports", "module", "ace/lib/oop", "ace/lib/lang", "ace/lib/event_emitter", "ace/range"], function (require, exports, module) {
      "use strict";
  
      var oop = require("./lib/oop");
      var lang = require("./lib/lang");
      var EventEmitter = require("./lib/event_emitter").EventEmitter;
      var Range = require("./range").Range;
      var Selection = function (session) {
          this.session = session;
          this.doc = session.getDocument();
  
          this.clearSelection();
          this.cursor = this.lead = this.doc.createAnchor(0, 0);
          this.anchor = this.doc.createAnchor(0, 0);
          this.$silent = false;
  
          var self = this;
          this.cursor.on("change", function (e) {
              self.$cursorChanged = true;
              if (!self.$silent)
                  self._emit("changeCursor");
              if (!self.$isEmpty && !self.$silent)
                  self._emit("changeSelection");
              if (!self.$keepDesiredColumnOnChange && e.old.column != e.value.column)
                  self.$desiredColumn = null;
          });
  
          this.anchor.on("change", function () {
              self.$anchorChanged = true;
              if (!self.$isEmpty && !self.$silent)
                  self._emit("changeSelection");
          });
      };
  
      (function () {
  
          oop.implement(this, EventEmitter);
          this.isEmpty = function () {
              return this.$isEmpty || (
                  this.anchor.row == this.lead.row &&
                  this.anchor.column == this.lead.column
              );
          };
          this.isMultiLine = function () {
              return !this.$isEmpty && this.anchor.row != this.cursor.row;
          };
          this.getCursor = function () {
              return this.lead.getPosition();
          };
          this.setSelectionAnchor = function (row, column) {
              this.$isEmpty = false;
              this.anchor.setPosition(row, column);
          };
          this.getAnchor =
              this.getSelectionAnchor = function () {
                  if (this.$isEmpty)
                      return this.getSelectionLead();
  
                  return this.anchor.getPosition();
              };
          this.getSelectionLead = function () {
              return this.lead.getPosition();
          };
          this.isBackwards = function () {
              var anchor = this.anchor;
              var lead = this.lead;
              return (anchor.row > lead.row || (anchor.row == lead.row && anchor.column > lead.column));
          };
          this.getRange = function () {
              var anchor = this.anchor;
              var lead = this.lead;
  
              if (this.$isEmpty)
                  return Range.fromPoints(lead, lead);
  
              return this.isBackwards() ?
                  Range.fromPoints(lead, anchor) :
                  Range.fromPoints(anchor, lead);
          };
          this.clearSelection = function () {
              if (!this.$isEmpty) {
                  this.$isEmpty = true;
                  this._emit("changeSelection");
              }
          };
          this.selectAll = function () {
              this.$setSelection(0, 0, Number.MAX_VALUE, Number.MAX_VALUE);
          };
          this.setRange =
              this.setSelectionRange = function (range, reverse) {
                  var start = reverse ? range.end : range.start;
                  var end = reverse ? range.start : range.end;
                  this.$setSelection(start.row, start.column, end.row, end.column);
              };
  
          this.$setSelection = function (anchorRow, anchorColumn, cursorRow, cursorColumn) {
              if (this.$silent)
                  return;
              var wasEmpty = this.$isEmpty;
              var wasMultiselect = this.inMultiSelectMode;
              this.$silent = true;
              this.$cursorChanged = this.$anchorChanged = false;
              this.anchor.setPosition(anchorRow, anchorColumn);
              this.cursor.setPosition(cursorRow, cursorColumn);
              this.$isEmpty = !Range.comparePoints(this.anchor, this.cursor);
              this.$silent = false;
              if (this.$cursorChanged)
                  this._emit("changeCursor");
              if (this.$cursorChanged || this.$anchorChanged || wasEmpty != this.$isEmpty || wasMultiselect)
                  this._emit("changeSelection");
          };
  
          this.$moveSelection = function (mover) {
              var lead = this.lead;
              if (this.$isEmpty)
                  this.setSelectionAnchor(lead.row, lead.column);
  
              mover.call(this);
          };
          this.selectTo = function (row, column) {
              this.$moveSelection(function () {
                  this.moveCursorTo(row, column);
              });
          };
          this.selectToPosition = function (pos) {
              this.$moveSelection(function () {
                  this.moveCursorToPosition(pos);
              });
          };
          this.moveTo = function (row, column) {
              this.clearSelection();
              this.moveCursorTo(row, column);
          };
          this.moveToPosition = function (pos) {
              this.clearSelection();
              this.moveCursorToPosition(pos);
          };
          this.selectUp = function () {
              this.$moveSelection(this.moveCursorUp);
          };
          this.selectDown = function () {
              this.$moveSelection(this.moveCursorDown);
          };
          this.selectRight = function () {
              this.$moveSelection(this.moveCursorRight);
          };
          this.selectLeft = function () {
              this.$moveSelection(this.moveCursorLeft);
          };
          this.selectLineStart = function () {
              this.$moveSelection(this.moveCursorLineStart);
          };
          this.selectLineEnd = function () {
              this.$moveSelection(this.moveCursorLineEnd);
          };
          this.selectFileEnd = function () {
              this.$moveSelection(this.moveCursorFileEnd);
          };
          this.selectFileStart = function () {
              this.$moveSelection(this.moveCursorFileStart);
          };
          this.selectWordRight = function () {
              this.$moveSelection(this.moveCursorWordRight);
          };
          this.selectWordLeft = function () {
              this.$moveSelection(this.moveCursorWordLeft);
          };
          this.getWordRange = function (row, column) {
              if (typeof column == "undefined") {
                  var cursor = row || this.lead;
                  row = cursor.row;
                  column = cursor.column;
              }
              return this.session.getWordRange(row, column);
          };
          this.selectWord = function () {
              this.setSelectionRange(this.getWordRange());
          };
          this.selectAWord = function () {
              var cursor = this.getCursor();
              var range = this.session.getAWordRange(cursor.row, cursor.column);
              this.setSelectionRange(range);
          };
  
          this.getLineRange = function (row, excludeLastChar) {
              var rowStart = typeof row == "number" ? row : this.lead.row;
              var rowEnd;
  
              var foldLine = this.session.getFoldLine(rowStart);
              if (foldLine) {
                  rowStart = foldLine.start.row;
                  rowEnd = foldLine.end.row;
              } else {
                  rowEnd = rowStart;
              }
              if (excludeLastChar === true)
                  return new Range(rowStart, 0, rowEnd, this.session.getLine(rowEnd).length);
              else
                  return new Range(rowStart, 0, rowEnd + 1, 0);
          };
          this.selectLine = function () {
              this.setSelectionRange(this.getLineRange());
          };
          this.moveCursorUp = function () {
              this.moveCursorBy(-1, 0);
          };
          this.moveCursorDown = function () {
              this.moveCursorBy(1, 0);
          };
          this.wouldMoveIntoSoftTab = function (cursor, tabSize, direction) {
              var start = cursor.column;
              var end = cursor.column + tabSize;
  
              if (direction < 0) {
                  start = cursor.column - tabSize;
                  end = cursor.column;
              }
              return this.session.isTabStop(cursor) && this.doc.getLine(cursor.row).slice(start, end).split(" ").length - 1 == tabSize;
          };
          this.moveCursorLeft = function () {
              var cursor = this.lead.getPosition(),
                  fold;
  
              if (fold = this.session.getFoldAt(cursor.row, cursor.column, -1)) {
                  this.moveCursorTo(fold.start.row, fold.start.column);
              } else if (cursor.column === 0) {
                  if (cursor.row > 0) {
                      this.moveCursorTo(cursor.row - 1, this.doc.getLine(cursor.row - 1).length);
                  }
              } else {
                  var tabSize = this.session.getTabSize();
                  if (this.wouldMoveIntoSoftTab(cursor, tabSize, -1) && !this.session.getNavigateWithinSoftTabs()) {
                      this.moveCursorBy(0, -tabSize);
                  } else {
                      this.moveCursorBy(0, -1);
                  }
              }
          };
          this.moveCursorRight = function () {
              var cursor = this.lead.getPosition(),
                  fold;
              if (fold = this.session.getFoldAt(cursor.row, cursor.column, 1)) {
                  this.moveCursorTo(fold.end.row, fold.end.column);
              } else if (this.lead.column == this.doc.getLine(this.lead.row).length) {
                  if (this.lead.row < this.doc.getLength() - 1) {
                      this.moveCursorTo(this.lead.row + 1, 0);
                  }
              } else {
                  var tabSize = this.session.getTabSize();
                  var cursor = this.lead;
                  if (this.wouldMoveIntoSoftTab(cursor, tabSize, 1) && !this.session.getNavigateWithinSoftTabs()) {
                      this.moveCursorBy(0, tabSize);
                  } else {
                      this.moveCursorBy(0, 1);
                  }
              }
          };
          this.moveCursorLineStart = function () {
              var row = this.lead.row;
              var column = this.lead.column;
              var screenRow = this.session.documentToScreenRow(row, column);
              var firstColumnPosition = this.session.screenToDocumentPosition(screenRow, 0);
              var beforeCursor = this.session.getDisplayLine(
                  row, null, firstColumnPosition.row,
                  firstColumnPosition.column
              );
  
              var leadingSpace = beforeCursor.match(/^\s*/);
              if (leadingSpace[0].length != column && !this.session.$useEmacsStyleLineStart)
                  firstColumnPosition.column += leadingSpace[0].length;
              this.moveCursorToPosition(firstColumnPosition);
          };
          this.moveCursorLineEnd = function () {
              var lead = this.lead;
              var lineEnd = this.session.getDocumentLastRowColumnPosition(lead.row, lead.column);
              if (this.lead.column == lineEnd.column) {
                  var line = this.session.getLine(lineEnd.row);
                  if (lineEnd.column == line.length) {
                      var textEnd = line.search(/\s+$/);
                      if (textEnd > 0)
                          lineEnd.column = textEnd;
                  }
              }
  
              this.moveCursorTo(lineEnd.row, lineEnd.column);
          };
          this.moveCursorFileEnd = function () {
              var row = this.doc.getLength() - 1;
              var column = this.doc.getLine(row).length;
              this.moveCursorTo(row, column);
          };
          this.moveCursorFileStart = function () {
              this.moveCursorTo(0, 0);
          };
          this.moveCursorLongWordRight = function () {
              var row = this.lead.row;
              var column = this.lead.column;
              var line = this.doc.getLine(row);
              var rightOfCursor = line.substring(column);
  
              this.session.nonTokenRe.lastIndex = 0;
              this.session.tokenRe.lastIndex = 0;
              var fold = this.session.getFoldAt(row, column, 1);
              if (fold) {
                  this.moveCursorTo(fold.end.row, fold.end.column);
                  return;
              }
              if (this.session.nonTokenRe.exec(rightOfCursor)) {
                  column += this.session.nonTokenRe.lastIndex;
                  this.session.nonTokenRe.lastIndex = 0;
                  rightOfCursor = line.substring(column);
              }
              if (column >= line.length) {
                  this.moveCursorTo(row, line.length);
                  this.moveCursorRight();
                  if (row < this.doc.getLength() - 1)
                      this.moveCursorWordRight();
                  return;
              }
              if (this.session.tokenRe.exec(rightOfCursor)) {
                  column += this.session.tokenRe.lastIndex;
                  this.session.tokenRe.lastIndex = 0;
              }
  
              this.moveCursorTo(row, column);
          };
          this.moveCursorLongWordLeft = function () {
              var row = this.lead.row;
              var column = this.lead.column;
              var fold;
              if (fold = this.session.getFoldAt(row, column, -1)) {
                  this.moveCursorTo(fold.start.row, fold.start.column);
                  return;
              }
  
              var str = this.session.getFoldStringAt(row, column, -1);
              if (str == null) {
                  str = this.doc.getLine(row).substring(0, column);
              }
  
              var leftOfCursor = lang.stringReverse(str);
              this.session.nonTokenRe.lastIndex = 0;
              this.session.tokenRe.lastIndex = 0;
              if (this.session.nonTokenRe.exec(leftOfCursor)) {
                  column -= this.session.nonTokenRe.lastIndex;
                  leftOfCursor = leftOfCursor.slice(this.session.nonTokenRe.lastIndex);
                  this.session.nonTokenRe.lastIndex = 0;
              }
              if (column <= 0) {
                  this.moveCursorTo(row, 0);
                  this.moveCursorLeft();
                  if (row > 0)
                      this.moveCursorWordLeft();
                  return;
              }
              if (this.session.tokenRe.exec(leftOfCursor)) {
                  column -= this.session.tokenRe.lastIndex;
                  this.session.tokenRe.lastIndex = 0;
              }
  
              this.moveCursorTo(row, column);
          };
  
          this.$shortWordEndIndex = function (rightOfCursor) {
              var index = 0,
                  ch;
              var whitespaceRe = /\s/;
              var tokenRe = this.session.tokenRe;
  
              tokenRe.lastIndex = 0;
              if (this.session.tokenRe.exec(rightOfCursor)) {
                  index = this.session.tokenRe.lastIndex;
              } else {
                  while ((ch = rightOfCursor[index]) && whitespaceRe.test(ch))
                      index++;
  
                  if (index < 1) {
                      tokenRe.lastIndex = 0;
                      while ((ch = rightOfCursor[index]) && !tokenRe.test(ch)) {
                          tokenRe.lastIndex = 0;
                          index++;
                          if (whitespaceRe.test(ch)) {
                              if (index > 2) {
                                  index--;
                                  break;
                              } else {
                                  while ((ch = rightOfCursor[index]) && whitespaceRe.test(ch))
                                      index++;
                                  if (index > 2)
                                      break;
                              }
                          }
                      }
                  }
              }
              tokenRe.lastIndex = 0;
  
              return index;
          };
  
          this.moveCursorShortWordRight = function () {
              var row = this.lead.row;
              var column = this.lead.column;
              var line = this.doc.getLine(row);
              var rightOfCursor = line.substring(column);
  
              var fold = this.session.getFoldAt(row, column, 1);
              if (fold)
                  return this.moveCursorTo(fold.end.row, fold.end.column);
  
              if (column == line.length) {
                  var l = this.doc.getLength();
                  do {
                      row++;
                      rightOfCursor = this.doc.getLine(row);
                  } while (row < l && /^\s*$/.test(rightOfCursor));
  
                  if (!/^\s+/.test(rightOfCursor))
                      rightOfCursor = "";
                  column = 0;
              }
  
              var index = this.$shortWordEndIndex(rightOfCursor);
  
              this.moveCursorTo(row, column + index);
          };
  
          this.moveCursorShortWordLeft = function () {
              var row = this.lead.row;
              var column = this.lead.column;
  
              var fold;
              if (fold = this.session.getFoldAt(row, column, -1))
                  return this.moveCursorTo(fold.start.row, fold.start.column);
  
              var line = this.session.getLine(row).substring(0, column);
              if (column === 0) {
                  do {
                      row--;
                      line = this.doc.getLine(row);
                  } while (row > 0 && /^\s*$/.test(line));
  
                  column = line.length;
                  if (!/\s+$/.test(line))
                      line = "";
              }
  
              var leftOfCursor = lang.stringReverse(line);
              var index = this.$shortWordEndIndex(leftOfCursor);
  
              return this.moveCursorTo(row, column - index);
          };
  
          this.moveCursorWordRight = function () {
              if (this.session.$selectLongWords)
                  this.moveCursorLongWordRight();
              else
                  this.moveCursorShortWordRight();
          };
  
          this.moveCursorWordLeft = function () {
              if (this.session.$selectLongWords)
                  this.moveCursorLongWordLeft();
              else
                  this.moveCursorShortWordLeft();
          };
          this.moveCursorBy = function (rows, chars) {
              var screenPos = this.session.documentToScreenPosition(
                  this.lead.row,
                  this.lead.column
              );
  
              var offsetX;
  
              if (chars === 0) {
                  if (rows !== 0) {
                      if (this.session.$bidiHandler.isBidiRow(screenPos.row, this.lead.row)) {
                          offsetX = this.session.$bidiHandler.getPosLeft(screenPos.column);
                          screenPos.column = Math.round(offsetX / this.session.$bidiHandler.charWidths[0]);
                      } else {
                          offsetX = screenPos.column * this.session.$bidiHandler.charWidths[0];
                      }
                  }
  
                  if (this.$desiredColumn)
                      screenPos.column = this.$desiredColumn;
                  else
                      this.$desiredColumn = screenPos.column;
              }
  
              if (rows != 0 && this.session.lineWidgets && this.session.lineWidgets[this.lead.row]) {
                  var widget = this.session.lineWidgets[this.lead.row];
                  if (rows < 0)
                      rows -= widget.rowsAbove || 0;
                  else if (rows > 0)
                      rows += widget.rowCount - (widget.rowsAbove || 0);
              }
  
              var docPos = this.session.screenToDocumentPosition(screenPos.row + rows, screenPos.column, offsetX);
  
              if (rows !== 0 && chars === 0 && docPos.row === this.lead.row && docPos.column === this.lead.column) {
  
              }
              this.moveCursorTo(docPos.row, docPos.column + chars, chars === 0);
          };
          this.moveCursorToPosition = function (position) {
              this.moveCursorTo(position.row, position.column);
          };
          this.moveCursorTo = function (row, column, keepDesiredColumn) {
              var fold = this.session.getFoldAt(row, column, 1);
              if (fold) {
                  row = fold.start.row;
                  column = fold.start.column;
              }
  
              this.$keepDesiredColumnOnChange = true;
              var line = this.session.getLine(row);
              if (/[\uDC00-\uDFFF]/.test(line.charAt(column)) && line.charAt(column - 1)) {
                  if (this.lead.row == row && this.lead.column == column + 1)
                      column = column - 1;
                  else
                      column = column + 1;
              }
              this.lead.setPosition(row, column);
              this.$keepDesiredColumnOnChange = false;
  
              if (!keepDesiredColumn)
                  this.$desiredColumn = null;
          };
          this.moveCursorToScreen = function (row, column, keepDesiredColumn) {
              var pos = this.session.screenToDocumentPosition(row, column);
              this.moveCursorTo(pos.row, pos.column, keepDesiredColumn);
          };
          this.detach = function () {
              this.lead.detach();
              this.anchor.detach();
              this.session = this.doc = null;
          };
  
          this.fromOrientedRange = function (range) {
              this.setSelectionRange(range, range.cursor == range.start);
              this.$desiredColumn = range.desiredColumn || this.$desiredColumn;
          };
  
          this.toOrientedRange = function (range) {
              var r = this.getRange();
              if (range) {
                  range.start.column = r.start.column;
                  range.start.row = r.start.row;
                  range.end.column = r.end.column;
                  range.end.row = r.end.row;
              } else {
                  range = r;
              }
  
              range.cursor = this.isBackwards() ? range.start : range.end;
              range.desiredColumn = this.$desiredColumn;
              return range;
          };
          this.getRangeOfMovements = function (func) {
              var start = this.getCursor();
              try {
                  func(this);
                  var end = this.getCursor();
                  return Range.fromPoints(start, end);
              } catch (e) {
                  return Range.fromPoints(start, start);
              } finally {
                  this.moveCursorToPosition(start);
              }
          };
  
          this.toJSON = function () {
              if (this.rangeCount) {
                  var data = this.ranges.map(function (r) {
                      var r1 = r.clone();
                      r1.isBackwards = r.cursor == r.start;
                      return r1;
                  });
              } else {
                  var data = this.getRange();
                  data.isBackwards = this.isBackwards();
              }
              return data;
          };
  
          this.fromJSON = function (data) {
              if (data.start == undefined) {
                  if (this.rangeList && data.length > 1) {
                      this.toSingleRange(data[0]);
                      for (var i = data.length; i--;) {
                          var r = Range.fromPoints(data[i].start, data[i].end);
                          if (data[i].isBackwards)
                              r.cursor = r.start;
                          this.addRange(r, true);
                      }
                      return;
                  } else {
                      data = data[0];
                  }
              }
              if (this.rangeList)
                  this.toSingleRange(data);
              this.setSelectionRange(data, data.isBackwards);
          };
  
          this.isEqual = function (data) {
              if ((data.length || this.rangeCount) && data.length != this.rangeCount)
                  return false;
              if (!data.length || !this.ranges)
                  return this.getRange().isEqual(data);
  
              for (var i = this.ranges.length; i--;) {
                  if (!this.ranges[i].isEqual(data[i]))
                      return false;
              }
              return true;
          };
  
      }).call(Selection.prototype);
  
      exports.Selection = Selection;
  });
  
  define("ace/tokenizer", ["require", "exports", "module", "ace/config"], function (require, exports, module) {
      "use strict";
  
      var config = require("./config");
      var MAX_TOKEN_COUNT = 2000;
      var Tokenizer = function (rules) {
          this.states = rules;
  
          this.regExps = {};
          this.matchMappings = {};
          for (var key in this.states) {
              var state = this.states[key];
              var ruleRegExps = [];
              var matchTotal = 0;
              var mapping = this.matchMappings[key] = {
                  defaultToken: "text"
              };
              var flag = "g";
  
              var splitterRurles = [];
              for (var i = 0; i < state.length; i++) {
                  var rule = state[i];
                  if (rule.defaultToken)
                      mapping.defaultToken = rule.defaultToken;
                  if (rule.caseInsensitive)
                      flag = "gi";
                  if (rule.regex == null)
                      continue;
  
                  if (rule.regex instanceof RegExp)
                      rule.regex = rule.regex.toString().slice(1, -1);
                  var adjustedregex = rule.regex;
                  var matchcount = new RegExp("(?:(" + adjustedregex + ")|(.))").exec("a").length - 2;
                  if (Array.isArray(rule.token)) {
                      if (rule.token.length == 1 || matchcount == 1) {
                          rule.token = rule.token[0];
                      } else if (matchcount - 1 != rule.token.length) {
                          this.reportError("number of classes and regexp groups doesn't match", {
                              rule: rule,
                              groupCount: matchcount - 1
                          });
                          rule.token = rule.token[0];
                      } else {
                          rule.tokenArray = rule.token;
                          rule.token = null;
                          rule.onMatch = this.$arrayTokens;
                      }
                  } else if (typeof rule.token == "function" && !rule.onMatch) {
                      if (matchcount > 1)
                          rule.onMatch = this.$applyToken;
                      else
                          rule.onMatch = rule.token;
                  }
  
                  if (matchcount > 1) {
                      if (/\\\d/.test(rule.regex)) {
                          adjustedregex = rule.regex.replace(/\\([0-9]+)/g, function (match, digit) {
                              return "\\" + (parseInt(digit, 10) + matchTotal + 1);
                          });
                      } else {
                          matchcount = 1;
                          adjustedregex = this.removeCapturingGroups(rule.regex);
                      }
                      if (!rule.splitRegex && typeof rule.token != "string")
                          splitterRurles.push(rule); // flag will be known only at the very end
                  }
  
                  mapping[matchTotal] = i;
                  matchTotal += matchcount;
  
                  ruleRegExps.push(adjustedregex);
                  if (!rule.onMatch)
                      rule.onMatch = null;
              }
  
              if (!ruleRegExps.length) {
                  mapping[0] = 0;
                  ruleRegExps.push("$");
              }
  
              splitterRurles.forEach(function (rule) {
                  rule.splitRegex = this.createSplitterRegexp(rule.regex, flag);
              }, this);
  
              this.regExps[key] = new RegExp("(" + ruleRegExps.join(")|(") + ")|($)", flag);
          }
      };
  
      (function () {
          this.$setMaxTokenCount = function (m) {
              MAX_TOKEN_COUNT = m | 0;
          };
  
          this.$applyToken = function (str) {
              var values = this.splitRegex.exec(str).slice(1);
              var types = this.token.apply(this, values);
              if (typeof types === "string")
                  return [{
                      type: types,
                      value: str
                  }];
  
              var tokens = [];
              for (var i = 0, l = types.length; i < l; i++) {
                  if (values[i])
                      tokens[tokens.length] = {
                          type: types[i],
                          value: values[i]
                      };
              }
              return tokens;
          };
  
          this.$arrayTokens = function (str) {
              if (!str)
                  return [];
              var values = this.splitRegex.exec(str);
              if (!values)
                  return "text";
              var tokens = [];
              var types = this.tokenArray;
              for (var i = 0, l = types.length; i < l; i++) {
                  if (values[i + 1])
                      tokens[tokens.length] = {
                          type: types[i],
                          value: values[i + 1]
                      };
              }
              return tokens;
          };
  
          this.removeCapturingGroups = function (src) {
              var r = src.replace(
                  /\\.|\[(?:\\.|[^\\\]])*|\(\?[:=!]|(\()/g,
                  function (x, y) {
                      return y ? "(?:" : x;
                  }
              );
              return r;
          };
  
          this.createSplitterRegexp = function (src, flag) {
              if (src.indexOf("(?=") != -1) {
                  var stack = 0;
                  var inChClass = false;
                  var lastCapture = {};
                  src.replace(/(\\.)|(\((?:\?[=!])?)|(\))|([\[\]])/g, function (
                      m, esc, parenOpen, parenClose, square, index
                  ) {
                      if (inChClass) {
                          inChClass = square != "]";
                      } else if (square) {
                          inChClass = true;
                      } else if (parenClose) {
                          if (stack == lastCapture.stack) {
                              lastCapture.end = index + 1;
                              lastCapture.stack = -1;
                          }
                          stack--;
                      } else if (parenOpen) {
                          stack++;
                          if (parenOpen.length != 1) {
                              lastCapture.stack = stack;
                              lastCapture.start = index;
                          }
                      }
                      return m;
                  });
  
                  if (lastCapture.end != null && /^\)*$/.test(src.substr(lastCapture.end)))
                      src = src.substring(0, lastCapture.start) + src.substr(lastCapture.end);
              }
              if (src.charAt(0) != "^") src = "^" + src;
              if (src.charAt(src.length - 1) != "$") src += "$";
  
              return new RegExp(src, (flag || "").replace("g", ""));
          };
          this.getLineTokens = function (line, startState) {
              if (startState && typeof startState != "string") {
                  var stack = startState.slice(0);
                  startState = stack[0];
                  if (startState === "#tmp") {
                      stack.shift();
                      startState = stack.shift();
                  }
              } else
                  var stack = [];
  
              var currentState = startState || "start";
              var state = this.states[currentState];
              if (!state) {
                  currentState = "start";
                  state = this.states[currentState];
              }
              var mapping = this.matchMappings[currentState];
              var re = this.regExps[currentState];
              re.lastIndex = 0;
  
              var match, tokens = [];
              var lastIndex = 0;
              var matchAttempts = 0;
  
              var token = {
                  type: null,
                  value: ""
              };
  
              while (match = re.exec(line)) {
                  var type = mapping.defaultToken;
                  var rule = null;
                  var value = match[0];
                  var index = re.lastIndex;
  
                  if (index - value.length > lastIndex) {
                      var skipped = line.substring(lastIndex, index - value.length);
                      if (token.type == type) {
                          token.value += skipped;
                      } else {
                          if (token.type)
                              tokens.push(token);
                          token = {
                              type: type,
                              value: skipped
                          };
                      }
                  }
  
                  for (var i = 0; i < match.length - 2; i++) {
                      if (match[i + 1] === undefined)
                          continue;
  
                      rule = state[mapping[i]];
  
                      if (rule.onMatch)
                          type = rule.onMatch(value, currentState, stack, line);
                      else
                          type = rule.token;
  
                      if (rule.next) {
                          if (typeof rule.next == "string") {
                              currentState = rule.next;
                          } else {
                              currentState = rule.next(currentState, stack);
                          }
  
                          state = this.states[currentState];
                          if (!state) {
                              this.reportError("state doesn't exist", currentState);
                              currentState = "start";
                              state = this.states[currentState];
                          }
                          mapping = this.matchMappings[currentState];
                          lastIndex = index;
                          re = this.regExps[currentState];
                          re.lastIndex = index;
                      }
                      if (rule.consumeLineEnd)
                          lastIndex = index;
                      break;
                  }
  
                  if (value) {
                      if (typeof type === "string") {
                          if ((!rule || rule.merge !== false) && token.type === type) {
                              token.value += value;
                          } else {
                              if (token.type)
                                  tokens.push(token);
                              token = {
                                  type: type,
                                  value: value
                              };
                          }
                      } else if (type) {
                          if (token.type)
                              tokens.push(token);
                          token = {
                              type: null,
                              value: ""
                          };
                          for (var i = 0; i < type.length; i++)
                              tokens.push(type[i]);
                      }
                  }
  
                  if (lastIndex == line.length)
                      break;
  
                  lastIndex = index;
  
                  if (matchAttempts++ > MAX_TOKEN_COUNT) {
                      if (matchAttempts > 2 * line.length) {
                          this.reportError("infinite loop with in ace tokenizer", {
                              startState: startState,
                              line: line
                          });
                      }
                      while (lastIndex < line.length) {
                          if (token.type)
                              tokens.push(token);
                          token = {
                              value: line.substring(lastIndex, lastIndex += 500),
                              type: "overflow"
                          };
                      }
                      currentState = "start";
                      stack = [];
                      break;
                  }
              }
  
              if (token.type)
                  tokens.push(token);
  
              if (stack.length > 1) {
                  if (stack[0] !== currentState)
                      stack.unshift("#tmp", currentState);
              }
              return {
                  tokens: tokens,
                  state: stack.length ? stack : currentState
              };
          };
  
          this.reportError = config.reportError;
  
      }).call(Tokenizer.prototype);
  
      exports.Tokenizer = Tokenizer;
  });
  
  define("ace/mode/text_highlight_rules", ["require", "exports", "module", "ace/lib/lang"], function (require, exports, module) {
      "use strict";
  
      var lang = require("../lib/lang");
  
      var TextHighlightRules = function () {
  
          this.$rules = {
              "start": [{
                  token: "empty_line",
                  regex: '^$'
              }, {
                  defaultToken: "text"
              }]
          };
      };
  
      (function () {
  
          this.addRules = function (rules, prefix) {
              if (!prefix) {
                  for (var key in rules)
                      this.$rules[key] = rules[key];
                  return;
              }
              for (var key in rules) {
                  var state = rules[key];
                  for (var i = 0; i < state.length; i++) {
                      var rule = state[i];
                      if (rule.next || rule.onMatch) {
                          if (typeof rule.next == "string") {
                              if (rule.next.indexOf(prefix) !== 0)
                                  rule.next = prefix + rule.next;
                          }
                          if (rule.nextState && rule.nextState.indexOf(prefix) !== 0)
                              rule.nextState = prefix + rule.nextState;
                      }
                  }
                  this.$rules[prefix + key] = state;
              }
          };
  
          this.getRules = function () {
              return this.$rules;
          };
  
          this.embedRules = function (HighlightRules, prefix, escapeRules, states, append) {
              var embedRules = typeof HighlightRules == "function" ?
                  new HighlightRules().getRules() :
                  HighlightRules;
              if (states) {
                  for (var i = 0; i < states.length; i++)
                      states[i] = prefix + states[i];
              } else {
                  states = [];
                  for (var key in embedRules)
                      states.push(prefix + key);
              }
  
              this.addRules(embedRules, prefix);
  
              if (escapeRules) {
                  var addRules = Array.prototype[append ? "push" : "unshift"];
                  for (var i = 0; i < states.length; i++)
                      addRules.apply(this.$rules[states[i]], lang.deepCopy(escapeRules));
              }
  
              if (!this.$embeds)
                  this.$embeds = [];
              this.$embeds.push(prefix);
          };
  
          this.getEmbeds = function () {
              return this.$embeds;
          };
  
          var pushState = function (currentState, stack) {
              if (currentState != "start" || stack.length)
                  stack.unshift(this.nextState, currentState);
              return this.nextState;
          };
          var popState = function (currentState, stack) {
              stack.shift();
              return stack.shift() || "start";
          };
  
          this.normalizeRules = function () {
              var id = 0;
              var rules = this.$rules;
  
              function processState(key) {
                  var state = rules[key];
                  state.processed = true;
                  for (var i = 0; i < state.length; i++) {
                      var rule = state[i];
                      var toInsert = null;
                      if (Array.isArray(rule)) {
                          toInsert = rule;
                          rule = {};
                      }
                      if (!rule.regex && rule.start) {
                          rule.regex = rule.start;
                          if (!rule.next)
                              rule.next = [];
                          rule.next.push({
                              defaultToken: rule.token
                          }, {
                              token: rule.token + ".end",
                              regex: rule.end || rule.start,
                              next: "pop"
                          });
                          rule.token = rule.token + ".start";
                          rule.push = true;
                      }
                      var next = rule.next || rule.push;
                      if (next && Array.isArray(next)) {
                          var stateName = rule.stateName;
                          if (!stateName) {
                              stateName = rule.token;
                              if (typeof stateName != "string")
                                  stateName = stateName[0] || "";
                              if (rules[stateName])
                                  stateName += id++;
                          }
                          rules[stateName] = next;
                          rule.next = stateName;
                          processState(stateName);
                      } else if (next == "pop") {
                          rule.next = popState;
                      }
  
                      if (rule.push) {
                          rule.nextState = rule.next || rule.push;
                          rule.next = pushState;
                          delete rule.push;
                      }
  
                      if (rule.rules) {
                          for (var r in rule.rules) {
                              if (rules[r]) {
                                  if (rules[r].push)
                                      rules[r].push.apply(rules[r], rule.rules[r]);
                              } else {
                                  rules[r] = rule.rules[r];
                              }
                          }
                      }
                      var includeName = typeof rule == "string" ? rule : rule.include;
                      if (includeName) {
                          if (Array.isArray(includeName))
                              toInsert = includeName.map(function (x) {
                                  return rules[x];
                              });
                          else
                              toInsert = rules[includeName];
                      }
  
                      if (toInsert) {
                          var args = [i, 1].concat(toInsert);
                          if (rule.noEscape)
                              args = args.filter(function (x) {
                                  return !x.next;
                              });
                          state.splice.apply(state, args);
                          i--;
                      }
  
                      if (rule.keywordMap) {
                          rule.token = this.createKeywordMapper(
                              rule.keywordMap, rule.defaultToken || "text", rule.caseInsensitive
                          );
                          delete rule.defaultToken;
                      }
                  }
              }
              Object.keys(rules).forEach(processState, this);
          };
  
          this.createKeywordMapper = function (map, defaultToken, ignoreCase, splitChar) {
              var keywords = Object.create(null);
              this.$keywordList = [];
              Object.keys(map).forEach(function (className) {
                  var a = map[className];
                  var list = a.split(splitChar || "|");
                  for (var i = list.length; i--;) {
                      var word = list[i];
                      this.$keywordList.push(word);
                      if (ignoreCase)
                          word = word.toLowerCase();
                      keywords[word] = className;
                  }
              }, this);
              map = null;
              return ignoreCase ?
                  function (value) {
                      return keywords[value.toLowerCase()] || defaultToken;
                  } :
                  function (value) {
                      return keywords[value] || defaultToken;
                  };
          };
  
          this.getKeywords = function () {
              return this.$keywords;
          };
  
      }).call(TextHighlightRules.prototype);
  
      exports.TextHighlightRules = TextHighlightRules;
  });
  
  define("ace/mode/behaviour", ["require", "exports", "module"], function (require, exports, module) {
      "use strict";
  
      var Behaviour = function () {
          this.$behaviours = {};
      };
  
      (function () {
  
          this.add = function (name, action, callback) {
              switch (undefined) {
                  case this.$behaviours:
                      this.$behaviours = {};
                  case this.$behaviours[name]:
                      this.$behaviours[name] = {};
              }
              this.$behaviours[name][action] = callback;
          };
  
          this.addBehaviours = function (behaviours) {
              for (var key in behaviours) {
                  for (var action in behaviours[key]) {
                      this.add(key, action, behaviours[key][action]);
                  }
              }
          };
  
          this.remove = function (name) {
              if (this.$behaviours && this.$behaviours[name]) {
                  delete this.$behaviours[name];
              }
          };
  
          this.inherit = function (mode, filter) {
              if (typeof mode === "function") {
                  var behaviours = new mode().getBehaviours(filter);
              } else {
                  var behaviours = mode.getBehaviours(filter);
              }
              this.addBehaviours(behaviours);
          };
  
          this.getBehaviours = function (filter) {
              if (!filter) {
                  return this.$behaviours;
              } else {
                  var ret = {};
                  for (var i = 0; i < filter.length; i++) {
                      if (this.$behaviours[filter[i]]) {
                          ret[filter[i]] = this.$behaviours[filter[i]];
                      }
                  }
                  return ret;
              }
          };
  
      }).call(Behaviour.prototype);
  
      exports.Behaviour = Behaviour;
  });
  
  define("ace/token_iterator", ["require", "exports", "module", "ace/range"], function (require, exports, module) {
      "use strict";
  
      var Range = require("./range").Range;
      var TokenIterator = function (session, initialRow, initialColumn) {
          this.$session = session;
          this.$row = initialRow;
          this.$rowTokens = session.getTokens(initialRow);
  
          var token = session.getTokenAt(initialRow, initialColumn);
          this.$tokenIndex = token ? token.index : -1;
      };
  
      (function () {
          this.stepBackward = function () {
              this.$tokenIndex -= 1;
  
              while (this.$tokenIndex < 0) {
                  this.$row -= 1;
                  if (this.$row < 0) {
                      this.$row = 0;
                      return null;
                  }
  
                  this.$rowTokens = this.$session.getTokens(this.$row);
                  this.$tokenIndex = this.$rowTokens.length - 1;
              }
  
              return this.$rowTokens[this.$tokenIndex];
          };
          this.stepForward = function () {
              this.$tokenIndex += 1;
              var rowCount;
              while (this.$tokenIndex >= this.$rowTokens.length) {
                  this.$row += 1;
                  if (!rowCount)
                      rowCount = this.$session.getLength();
                  if (this.$row >= rowCount) {
                      this.$row = rowCount - 1;
                      return null;
                  }
  
                  this.$rowTokens = this.$session.getTokens(this.$row);
                  this.$tokenIndex = 0;
              }
  
              return this.$rowTokens[this.$tokenIndex];
          };
          this.getCurrentToken = function () {
              return this.$rowTokens[this.$tokenIndex];
          };
          this.getCurrentTokenRow = function () {
              return this.$row;
          };
          this.getCurrentTokenColumn = function () {
              var rowTokens = this.$rowTokens;
              var tokenIndex = this.$tokenIndex;
              var column = rowTokens[tokenIndex].start;
              if (column !== undefined)
                  return column;
  
              column = 0;
              while (tokenIndex > 0) {
                  tokenIndex -= 1;
                  column += rowTokens[tokenIndex].value.length;
              }
  
              return column;
          };
          this.getCurrentTokenPosition = function () {
              return {
                  row: this.$row,
                  column: this.getCurrentTokenColumn()
              };
          };
          this.getCurrentTokenRange = function () {
              var token = this.$rowTokens[this.$tokenIndex];
              var column = this.getCurrentTokenColumn();
              return new Range(this.$row, column, this.$row, column + token.value.length);
          };
  
      }).call(TokenIterator.prototype);
  
      exports.TokenIterator = TokenIterator;
  });
  
  define("ace/mode/behaviour/cstyle", ["require", "exports", "module", "ace/lib/oop", "ace/mode/behaviour", "ace/token_iterator", "ace/lib/lang"], function (require, exports, module) {
      "use strict";
  
      var oop = require("../../lib/oop");
      var Behaviour = require("../behaviour").Behaviour;
      var TokenIterator = require("../../token_iterator").TokenIterator;
      var lang = require("../../lib/lang");
  
      var SAFE_INSERT_IN_TOKENS = ["text", "paren.rparen", "rparen", "paren", "punctuation.operator"];
      var SAFE_INSERT_BEFORE_TOKENS = ["text", "paren.rparen", "rparen", "paren", "punctuation.operator", "comment"];
  
      var context;
      var contextCache = {};
      var defaultQuotes = {
          '"': '"',
          "'": "'"
      };
  
      var initContext = function (editor) {
          var id = -1;
          if (editor.multiSelect) {
              id = editor.selection.index;
              if (contextCache.rangeCount != editor.multiSelect.rangeCount)
                  contextCache = {
                      rangeCount: editor.multiSelect.rangeCount
                  };
          }
          if (contextCache[id])
              return context = contextCache[id];
          context = contextCache[id] = {
              autoInsertedBrackets: 0,
              autoInsertedRow: -1,
              autoInsertedLineEnd: "",
              maybeInsertedBrackets: 0,
              maybeInsertedRow: -1,
              maybeInsertedLineStart: "",
              maybeInsertedLineEnd: ""
          };
      };
  
      var getWrapped = function (selection, selected, opening, closing) {
          var rowDiff = selection.end.row - selection.start.row;
          return {
              text: opening + selected + closing,
              selection: [
                  0,
                  selection.start.column + 1,
                  rowDiff,
                  selection.end.column + (rowDiff ? 0 : 1)
              ]
          };
      };
  
      var CstyleBehaviour = function (options) {
          this.add("braces", "insertion", function (state, action, editor, session, text) {
              var cursor = editor.getCursorPosition();
              var line = session.doc.getLine(cursor.row);
              if (text == '{') {
                  initContext(editor);
                  var selection = editor.getSelectionRange();
                  var selected = session.doc.getTextRange(selection);
                  if (selected !== "" && selected !== "{" && editor.getWrapBehavioursEnabled()) {
                      return getWrapped(selection, selected, '{', '}');
                  } else if (CstyleBehaviour.isSaneInsertion(editor, session)) {
                      if (/[\]\}\)]/.test(line[cursor.column]) || editor.inMultiSelectMode || options && options.braces) {
                          CstyleBehaviour.recordAutoInsert(editor, session, "}");
                          return {
                              text: '{}',
                              selection: [1, 1]
                          };
                      } else {
                          CstyleBehaviour.recordMaybeInsert(editor, session, "{");
                          return {
                              text: '{',
                              selection: [1, 1]
                          };
                      }
                  }
              } else if (text == '}') {
                  initContext(editor);
                  var rightChar = line.substring(cursor.column, cursor.column + 1);
                  if (rightChar == '}') {
                      var matching = session.$findOpeningBracket('}', {
                          column: cursor.column + 1,
                          row: cursor.row
                      });
                      if (matching !== null && CstyleBehaviour.isAutoInsertedClosing(cursor, line, text)) {
                          CstyleBehaviour.popAutoInsertedClosing();
                          return {
                              text: '',
                              selection: [1, 1]
                          };
                      }
                  }
              } else if (text == "\n" || text == "\r\n") {
                  initContext(editor);
                  var closing = "";
                  if (CstyleBehaviour.isMaybeInsertedClosing(cursor, line)) {
                      closing = lang.stringRepeat("}", context.maybeInsertedBrackets);
                      CstyleBehaviour.clearMaybeInsertedClosing();
                  }
                  var rightChar = line.substring(cursor.column, cursor.column + 1);
                  if (rightChar === '}') {
                      var openBracePos = session.findMatchingBracket({
                          row: cursor.row,
                          column: cursor.column + 1
                      }, '}');
                      if (!openBracePos)
                          return null;
                      var next_indent = this.$getIndent(session.getLine(openBracePos.row));
                  } else if (closing) {
                      var next_indent = this.$getIndent(line);
                  } else {
                      CstyleBehaviour.clearMaybeInsertedClosing();
                      return;
                  }
                  var indent = next_indent + session.getTabString();
  
                  return {
                      text: '\n' + indent + '\n' + next_indent + closing,
                      selection: [1, indent.length, 1, indent.length]
                  };
              } else {
                  CstyleBehaviour.clearMaybeInsertedClosing();
              }
          });
  
          this.add("braces", "deletion", function (state, action, editor, session, range) {
              var selected = session.doc.getTextRange(range);
              if (!range.isMultiLine() && selected == '{') {
                  initContext(editor);
                  var line = session.doc.getLine(range.start.row);
                  var rightChar = line.substring(range.end.column, range.end.column + 1);
                  if (rightChar == '}') {
                      range.end.column++;
                      return range;
                  } else {
                      context.maybeInsertedBrackets--;
                  }
              }
          });
  
          this.add("parens", "insertion", function (state, action, editor, session, text) {
              if (text == '(') {
                  initContext(editor);
                  var selection = editor.getSelectionRange();
                  var selected = session.doc.getTextRange(selection);
                  if (selected !== "" && editor.getWrapBehavioursEnabled()) {
                      return getWrapped(selection, selected, '(', ')');
                  } else if (CstyleBehaviour.isSaneInsertion(editor, session)) {
                      CstyleBehaviour.recordAutoInsert(editor, session, ")");
                      return {
                          text: '()',
                          selection: [1, 1]
                      };
                  }
              } else if (text == ')') {
                  initContext(editor);
                  var cursor = editor.getCursorPosition();
                  var line = session.doc.getLine(cursor.row);
                  var rightChar = line.substring(cursor.column, cursor.column + 1);
                  if (rightChar == ')') {
                      var matching = session.$findOpeningBracket(')', {
                          column: cursor.column + 1,
                          row: cursor.row
                      });
                      if (matching !== null && CstyleBehaviour.isAutoInsertedClosing(cursor, line, text)) {
                          CstyleBehaviour.popAutoInsertedClosing();
                          return {
                              text: '',
                              selection: [1, 1]
                          };
                      }
                  }
              }
          });
  
          this.add("parens", "deletion", function (state, action, editor, session, range) {
              var selected = session.doc.getTextRange(range);
              if (!range.isMultiLine() && selected == '(') {
                  initContext(editor);
                  var line = session.doc.getLine(range.start.row);
                  var rightChar = line.substring(range.start.column + 1, range.start.column + 2);
                  if (rightChar == ')') {
                      range.end.column++;
                      return range;
                  }
              }
          });
  
          this.add("brackets", "insertion", function (state, action, editor, session, text) {
              if (text == '[') {
                  initContext(editor);
                  var selection = editor.getSelectionRange();
                  var selected = session.doc.getTextRange(selection);
                  if (selected !== "" && editor.getWrapBehavioursEnabled()) {
                      return getWrapped(selection, selected, '[', ']');
                  } else if (CstyleBehaviour.isSaneInsertion(editor, session)) {
                      CstyleBehaviour.recordAutoInsert(editor, session, "]");
                      return {
                          text: '[]',
                          selection: [1, 1]
                      };
                  }
              } else if (text == ']') {
                  initContext(editor);
                  var cursor = editor.getCursorPosition();
                  var line = session.doc.getLine(cursor.row);
                  var rightChar = line.substring(cursor.column, cursor.column + 1);
                  if (rightChar == ']') {
                      var matching = session.$findOpeningBracket(']', {
                          column: cursor.column + 1,
                          row: cursor.row
                      });
                      if (matching !== null && CstyleBehaviour.isAutoInsertedClosing(cursor, line, text)) {
                          CstyleBehaviour.popAutoInsertedClosing();
                          return {
                              text: '',
                              selection: [1, 1]
                          };
                      }
                  }
              }
          });
  
          this.add("brackets", "deletion", function (state, action, editor, session, range) {
              var selected = session.doc.getTextRange(range);
              if (!range.isMultiLine() && selected == '[') {
                  initContext(editor);
                  var line = session.doc.getLine(range.start.row);
                  var rightChar = line.substring(range.start.column + 1, range.start.column + 2);
                  if (rightChar == ']') {
                      range.end.column++;
                      return range;
                  }
              }
          });
  
          this.add("string_dquotes", "insertion", function (state, action, editor, session, text) {
              var quotes = session.$mode.$quotes || defaultQuotes;
              if (text.length == 1 && quotes[text]) {
                  if (this.lineCommentStart && this.lineCommentStart.indexOf(text) != -1)
                      return;
                  initContext(editor);
                  var quote = text;
                  var selection = editor.getSelectionRange();
                  var selected = session.doc.getTextRange(selection);
                  if (selected !== "" && (selected.length != 1 || !quotes[selected]) && editor.getWrapBehavioursEnabled()) {
                      return getWrapped(selection, selected, quote, quote);
                  } else if (!selected) {
                      var cursor = editor.getCursorPosition();
                      var line = session.doc.getLine(cursor.row);
                      var leftChar = line.substring(cursor.column - 1, cursor.column);
                      var rightChar = line.substring(cursor.column, cursor.column + 1);
  
                      var token = session.getTokenAt(cursor.row, cursor.column);
                      var rightToken = session.getTokenAt(cursor.row, cursor.column + 1);
                      if (leftChar == "\\" && token && /escape/.test(token.type))
                          return null;
  
                      var stringBefore = token && /string|escape/.test(token.type);
                      var stringAfter = !rightToken || /string|escape/.test(rightToken.type);
  
                      var pair;
                      if (rightChar == quote) {
                          pair = stringBefore !== stringAfter;
                          if (pair && /string\.end/.test(rightToken.type))
                              pair = false;
                      } else {
                          if (stringBefore && !stringAfter)
                              return null; // wrap string with different quote
                          if (stringBefore && stringAfter)
                              return null; // do not pair quotes inside strings
                          var wordRe = session.$mode.tokenRe;
                          wordRe.lastIndex = 0;
                          var isWordBefore = wordRe.test(leftChar);
                          wordRe.lastIndex = 0;
                          var isWordAfter = wordRe.test(leftChar);
                          if (isWordBefore || isWordAfter)
                              return null; // before or after alphanumeric
                          if (rightChar && !/[\s;,.})\]\\]/.test(rightChar))
                              return null; // there is rightChar and it isn't closing
                          var charBefore = line[cursor.column - 2];
                          if (leftChar == quote && (charBefore == quote || wordRe.test(charBefore)))
                              return null;
                          pair = true;
                      }
                      return {
                          text: pair ? quote + quote : "",
                          selection: [1, 1]
                      };
                  }
              }
          });
  
          this.add("string_dquotes", "deletion", function (state, action, editor, session, range) {
              var quotes = session.$mode.$quotes || defaultQuotes;
  
              var selected = session.doc.getTextRange(range);
              if (!range.isMultiLine() && quotes.hasOwnProperty(selected)) {
                  initContext(editor);
                  var line = session.doc.getLine(range.start.row);
                  var rightChar = line.substring(range.start.column + 1, range.start.column + 2);
                  if (rightChar == selected) {
                      range.end.column++;
                      return range;
                  }
              }
          });
  
      };
  
  
      CstyleBehaviour.isSaneInsertion = function (editor, session) {
          var cursor = editor.getCursorPosition();
          var iterator = new TokenIterator(session, cursor.row, cursor.column);
          if (!this.$matchTokenType(iterator.getCurrentToken() || "text", SAFE_INSERT_IN_TOKENS)) {
              if (/[)}\]]/.test(editor.session.getLine(cursor.row)[cursor.column]))
                  return true;
              var iterator2 = new TokenIterator(session, cursor.row, cursor.column + 1);
              if (!this.$matchTokenType(iterator2.getCurrentToken() || "text", SAFE_INSERT_IN_TOKENS))
                  return false;
          }
          iterator.stepForward();
          return iterator.getCurrentTokenRow() !== cursor.row ||
              this.$matchTokenType(iterator.getCurrentToken() || "text", SAFE_INSERT_BEFORE_TOKENS);
      };
  
      CstyleBehaviour.$matchTokenType = function (token, types) {
          return types.indexOf(token.type || token) > -1;
      };
  
      CstyleBehaviour.recordAutoInsert = function (editor, session, bracket) {
          var cursor = editor.getCursorPosition();
          var line = session.doc.getLine(cursor.row);
          if (!this.isAutoInsertedClosing(cursor, line, context.autoInsertedLineEnd[0]))
              context.autoInsertedBrackets = 0;
          context.autoInsertedRow = cursor.row;
          context.autoInsertedLineEnd = bracket + line.substr(cursor.column);
          context.autoInsertedBrackets++;
      };
  
      CstyleBehaviour.recordMaybeInsert = function (editor, session, bracket) {
          var cursor = editor.getCursorPosition();
          var line = session.doc.getLine(cursor.row);
          if (!this.isMaybeInsertedClosing(cursor, line))
              context.maybeInsertedBrackets = 0;
          context.maybeInsertedRow = cursor.row;
          context.maybeInsertedLineStart = line.substr(0, cursor.column) + bracket;
          context.maybeInsertedLineEnd = line.substr(cursor.column);
          context.maybeInsertedBrackets++;
      };
  
      CstyleBehaviour.isAutoInsertedClosing = function (cursor, line, bracket) {
          return context.autoInsertedBrackets > 0 &&
              cursor.row === context.autoInsertedRow &&
              bracket === context.autoInsertedLineEnd[0] &&
              line.substr(cursor.column) === context.autoInsertedLineEnd;
      };
  
      CstyleBehaviour.isMaybeInsertedClosing = function (cursor, line) {
          return context.maybeInsertedBrackets > 0 &&
              cursor.row === context.maybeInsertedRow &&
              line.substr(cursor.column) === context.maybeInsertedLineEnd &&
              line.substr(0, cursor.column) == context.maybeInsertedLineStart;
      };
  
      CstyleBehaviour.popAutoInsertedClosing = function () {
          context.autoInsertedLineEnd = context.autoInsertedLineEnd.substr(1);
          context.autoInsertedBrackets--;
      };
  
      CstyleBehaviour.clearMaybeInsertedClosing = function () {
          if (context) {
              context.maybeInsertedBrackets = 0;
              context.maybeInsertedRow = -1;
          }
      };
  
  
  
      oop.inherits(CstyleBehaviour, Behaviour);
  
      exports.CstyleBehaviour = CstyleBehaviour;
  });
  
  define("ace/unicode", ["require", "exports", "module"], function (require, exports, module) {
      "use strict";
      var wordChars = [48, 9, 8, 25, 5, 0, 2, 25, 48, 0, 11, 0, 5, 0, 6, 22, 2, 30, 2, 457, 5, 11, 15, 4, 8, 0, 2, 0, 18, 116, 2, 1, 3, 3, 9, 0, 2, 2, 2, 0, 2, 19, 2, 82, 2, 138, 2, 4, 3, 155, 12, 37, 3, 0, 8, 38, 10, 44, 2, 0, 2, 1, 2, 1, 2, 0, 9, 26, 6, 2, 30, 10, 7, 61, 2, 9, 5, 101, 2, 7, 3, 9, 2, 18, 3, 0, 17, 58, 3, 100, 15, 53, 5, 0, 6, 45, 211, 57, 3, 18, 2, 5, 3, 11, 3, 9, 2, 1, 7, 6, 2, 2, 2, 7, 3, 1, 3, 21, 2, 6, 2, 0, 4, 3, 3, 8, 3, 1, 3, 3, 9, 0, 5, 1, 2, 4, 3, 11, 16, 2, 2, 5, 5, 1, 3, 21, 2, 6, 2, 1, 2, 1, 2, 1, 3, 0, 2, 4, 5, 1, 3, 2, 4, 0, 8, 3, 2, 0, 8, 15, 12, 2, 2, 8, 2, 2, 2, 21, 2, 6, 2, 1, 2, 4, 3, 9, 2, 2, 2, 2, 3, 0, 16, 3, 3, 9, 18, 2, 2, 7, 3, 1, 3, 21, 2, 6, 2, 1, 2, 4, 3, 8, 3, 1, 3, 2, 9, 1, 5, 1, 2, 4, 3, 9, 2, 0, 17, 1, 2, 5, 4, 2, 2, 3, 4, 1, 2, 0, 2, 1, 4, 1, 4, 2, 4, 11, 5, 4, 4, 2, 2, 3, 3, 0, 7, 0, 15, 9, 18, 2, 2, 7, 2, 2, 2, 22, 2, 9, 2, 4, 4, 7, 2, 2, 2, 3, 8, 1, 2, 1, 7, 3, 3, 9, 19, 1, 2, 7, 2, 2, 2, 22, 2, 9, 2, 4, 3, 8, 2, 2, 2, 3, 8, 1, 8, 0, 2, 3, 3, 9, 19, 1, 2, 7, 2, 2, 2, 22, 2, 15, 4, 7, 2, 2, 2, 3, 10, 0, 9, 3, 3, 9, 11, 5, 3, 1, 2, 17, 4, 23, 2, 8, 2, 0, 3, 6, 4, 0, 5, 5, 2, 0, 2, 7, 19, 1, 14, 57, 6, 14, 2, 9, 40, 1, 2, 0, 3, 1, 2, 0, 3, 0, 7, 3, 2, 6, 2, 2, 2, 0, 2, 0, 3, 1, 2, 12, 2, 2, 3, 4, 2, 0, 2, 5, 3, 9, 3, 1, 35, 0, 24, 1, 7, 9, 12, 0, 2, 0, 2, 0, 5, 9, 2, 35, 5, 19, 2, 5, 5, 7, 2, 35, 10, 0, 58, 73, 7, 77, 3, 37, 11, 42, 2, 0, 4, 328, 2, 3, 3, 6, 2, 0, 2, 3, 3, 40, 2, 3, 3, 32, 2, 3, 3, 6, 2, 0, 2, 3, 3, 14, 2, 56, 2, 3, 3, 66, 5, 0, 33, 15, 17, 84, 13, 619, 3, 16, 2, 25, 6, 74, 22, 12, 2, 6, 12, 20, 12, 19, 13, 12, 2, 2, 2, 1, 13, 51, 3, 29, 4, 0, 5, 1, 3, 9, 34, 2, 3, 9, 7, 87, 9, 42, 6, 69, 11, 28, 4, 11, 5, 11, 11, 39, 3, 4, 12, 43, 5, 25, 7, 10, 38, 27, 5, 62, 2, 28, 3, 10, 7, 9, 14, 0, 89, 75, 5, 9, 18, 8, 13, 42, 4, 11, 71, 55, 9, 9, 4, 48, 83, 2, 2, 30, 14, 230, 23, 280, 3, 5, 3, 37, 3, 5, 3, 7, 2, 0, 2, 0, 2, 0, 2, 30, 3, 52, 2, 6, 2, 0, 4, 2, 2, 6, 4, 3, 3, 5, 5, 12, 6, 2, 2, 6, 67, 1, 20, 0, 29, 0, 14, 0, 17, 4, 60, 12, 5, 0, 4, 11, 18, 0, 5, 0, 3, 9, 2, 0, 4, 4, 7, 0, 2, 0, 2, 0, 2, 3, 2, 10, 3, 3, 6, 4, 5, 0, 53, 1, 2684, 46, 2, 46, 2, 132, 7, 6, 15, 37, 11, 53, 10, 0, 17, 22, 10, 6, 2, 6, 2, 6, 2, 6, 2, 6, 2, 6, 2, 6, 2, 6, 2, 31, 48, 0, 470, 1, 36, 5, 2, 4, 6, 1, 5, 85, 3, 1, 3, 2, 2, 89, 2, 3, 6, 40, 4, 93, 18, 23, 57, 15, 513, 6581, 75, 20939, 53, 1164, 68, 45, 3, 268, 4, 27, 21, 31, 3, 13, 13, 1, 2, 24, 9, 69, 11, 1, 38, 8, 3, 102, 3, 1, 111, 44, 25, 51, 13, 68, 12, 9, 7, 23, 4, 0, 5, 45, 3, 35, 13, 28, 4, 64, 15, 10, 39, 54, 10, 13, 3, 9, 7, 22, 4, 1, 5, 66, 25, 2, 227, 42, 2, 1, 3, 9, 7, 11171, 13, 22, 5, 48, 8453, 301, 3, 61, 3, 105, 39, 6, 13, 4, 6, 11, 2, 12, 2, 4, 2, 0, 2, 1, 2, 1, 2, 107, 34, 362, 19, 63, 3, 53, 41, 11, 5, 15, 17, 6, 13, 1, 25, 2, 33, 4, 2, 134, 20, 9, 8, 25, 5, 0, 2, 25, 12, 88, 4, 5, 3, 5, 3, 5, 3, 2];
  
      var code = 0;
      var str = [];
      for (var i = 0; i < wordChars.length; i += 2) {
          str.push(code += wordChars[i]);
          if (wordChars[i + 1])
              str.push(45, code += wordChars[i + 1]);
      }
  
      exports.wordChars = String.fromCharCode.apply(null, str);
  
  });
  
  define("ace/mode/text", ["require", "exports", "module", "ace/config", "ace/tokenizer", "ace/mode/text_highlight_rules", "ace/mode/behaviour/cstyle", "ace/unicode", "ace/lib/lang", "ace/token_iterator", "ace/range"], function (require, exports, module) {
      "use strict";
      var config = require("../config");
  
      var Tokenizer = require("../tokenizer").Tokenizer;
      var TextHighlightRules = require("./text_highlight_rules").TextHighlightRules;
      var CstyleBehaviour = require("./behaviour/cstyle").CstyleBehaviour;
      var unicode = require("../unicode");
      var lang = require("../lib/lang");
      var TokenIterator = require("../token_iterator").TokenIterator;
      var Range = require("../range").Range;
  
      var Mode = function () {
          this.HighlightRules = TextHighlightRules;
      };
  
      (function () {
          this.$defaultBehaviour = new CstyleBehaviour();
  
          this.tokenRe = new RegExp("^[" + unicode.wordChars + "\\$_]+", "g");
  
          this.nonTokenRe = new RegExp("^(?:[^" + unicode.wordChars + "\\$_]|\\s])+", "g");
  
          this.getTokenizer = function () {
              if (!this.$tokenizer) {
                  this.$highlightRules = this.$highlightRules || new this.HighlightRules(this.$highlightRuleConfig);
                  this.$tokenizer = new Tokenizer(this.$highlightRules.getRules());
              }
              return this.$tokenizer;
          };
  
          this.lineCommentStart = "";
          this.blockComment = "";
  
          this.toggleCommentLines = function (state, session, startRow, endRow) {
              var doc = session.doc;
  
              var ignoreBlankLines = true;
              var shouldRemove = true;
              var minIndent = Infinity;
              var tabSize = session.getTabSize();
              var insertAtTabStop = false;
  
              if (!this.lineCommentStart) {
                  if (!this.blockComment)
                      return false;
                  var lineCommentStart = this.blockComment.start;
                  var lineCommentEnd = this.blockComment.end;
                  var regexpStart = new RegExp("^(\\s*)(?:" + lang.escapeRegExp(lineCommentStart) + ")");
                  var regexpEnd = new RegExp("(?:" + lang.escapeRegExp(lineCommentEnd) + ")\\s*$");
  
                  var comment = function (line, i) {
                      if (testRemove(line, i))
                          return;
                      if (!ignoreBlankLines || /\S/.test(line)) {
                          doc.insertInLine({
                              row: i,
                              column: line.length
                          }, lineCommentEnd);
                          doc.insertInLine({
                              row: i,
                              column: minIndent
                          }, lineCommentStart);
                      }
                  };
  
                  var uncomment = function (line, i) {
                      var m;
                      if (m = line.match(regexpEnd))
                          doc.removeInLine(i, line.length - m[0].length, line.length);
                      if (m = line.match(regexpStart))
                          doc.removeInLine(i, m[1].length, m[0].length);
                  };
  
                  var testRemove = function (line, row) {
                      if (regexpStart.test(line))
                          return true;
                      var tokens = session.getTokens(row);
                      for (var i = 0; i < tokens.length; i++) {
                          if (tokens[i].type === "comment")
                              return true;
                      }
                  };
              } else {
                  if (Array.isArray(this.lineCommentStart)) {
                      var regexpStart = this.lineCommentStart.map(lang.escapeRegExp).join("|");
                      var lineCommentStart = this.lineCommentStart[0];
                  } else {
                      var regexpStart = lang.escapeRegExp(this.lineCommentStart);
                      var lineCommentStart = this.lineCommentStart;
                  }
                  regexpStart = new RegExp("^(\\s*)(?:" + regexpStart + ") ?");
  
                  insertAtTabStop = session.getUseSoftTabs();
  
                  var uncomment = function (line, i) {
                      var m = line.match(regexpStart);
                      if (!m) return;
                      var start = m[1].length,
                          end = m[0].length;
                      if (!shouldInsertSpace(line, start, end) && m[0][end - 1] == " ")
                          end--;
                      doc.removeInLine(i, start, end);
                  };
                  var commentWithSpace = lineCommentStart + " ";
                  var comment = function (line, i) {
                      if (!ignoreBlankLines || /\S/.test(line)) {
                          if (shouldInsertSpace(line, minIndent, minIndent))
                              doc.insertInLine({
                                  row: i,
                                  column: minIndent
                              }, commentWithSpace);
                          else
                              doc.insertInLine({
                                  row: i,
                                  column: minIndent
                              }, lineCommentStart);
                      }
                  };
                  var testRemove = function (line, i) {
                      return regexpStart.test(line);
                  };
  
                  var shouldInsertSpace = function (line, before, after) {
                      var spaces = 0;
                      while (before-- && line.charAt(before) == " ")
                          spaces++;
                      if (spaces % tabSize != 0)
                          return false;
                      var spaces = 0;
                      while (line.charAt(after++) == " ")
                          spaces++;
                      if (tabSize > 2)
                          return spaces % tabSize != tabSize - 1;
                      else
                          return spaces % tabSize == 0;
                  };
              }
  
              function iter(fun) {
                  for (var i = startRow; i <= endRow; i++)
                      fun(doc.getLine(i), i);
              }
  
  
              var minEmptyLength = Infinity;
              iter(function (line, i) {
                  var indent = line.search(/\S/);
                  if (indent !== -1) {
                      if (indent < minIndent)
                          minIndent = indent;
                      if (shouldRemove && !testRemove(line, i))
                          shouldRemove = false;
                  } else if (minEmptyLength > line.length) {
                      minEmptyLength = line.length;
                  }
              });
  
              if (minIndent == Infinity) {
                  minIndent = minEmptyLength;
                  ignoreBlankLines = false;
                  shouldRemove = false;
              }
  
              if (insertAtTabStop && minIndent % tabSize != 0)
                  minIndent = Math.floor(minIndent / tabSize) * tabSize;
  
              iter(shouldRemove ? uncomment : comment);
          };
  
          this.toggleBlockComment = function (state, session, range, cursor) {
              var comment = this.blockComment;
              if (!comment)
                  return;
              if (!comment.start && comment[0])
                  comment = comment[0];
  
              var iterator = new TokenIterator(session, cursor.row, cursor.column);
              var token = iterator.getCurrentToken();
  
              var sel = session.selection;
              var initialRange = session.selection.toOrientedRange();
              var startRow, colDiff;
  
              if (token && /comment/.test(token.type)) {
                  var startRange, endRange;
                  while (token && /comment/.test(token.type)) {
                      var i = token.value.indexOf(comment.start);
                      if (i != -1) {
                          var row = iterator.getCurrentTokenRow();
                          var column = iterator.getCurrentTokenColumn() + i;
                          startRange = new Range(row, column, row, column + comment.start.length);
                          break;
                      }
                      token = iterator.stepBackward();
                  }
  
                  var iterator = new TokenIterator(session, cursor.row, cursor.column);
                  var token = iterator.getCurrentToken();
                  while (token && /comment/.test(token.type)) {
                      var i = token.value.indexOf(comment.end);
                      if (i != -1) {
                          var row = iterator.getCurrentTokenRow();
                          var column = iterator.getCurrentTokenColumn() + i;
                          endRange = new Range(row, column, row, column + comment.end.length);
                          break;
                      }
                      token = iterator.stepForward();
                  }
                  if (endRange)
                      session.remove(endRange);
                  if (startRange) {
                      session.remove(startRange);
                      startRow = startRange.start.row;
                      colDiff = -comment.start.length;
                  }
              } else {
                  colDiff = comment.start.length;
                  startRow = range.start.row;
                  session.insert(range.end, comment.end);
                  session.insert(range.start, comment.start);
              }
              if (initialRange.start.row == startRow)
                  initialRange.start.column += colDiff;
              if (initialRange.end.row == startRow)
                  initialRange.end.column += colDiff;
              session.selection.fromOrientedRange(initialRange);
          };
  
          this.getNextLineIndent = function (state, line, tab) {
              return this.$getIndent(line);
          };
  
          this.checkOutdent = function (state, line, input) {
              return false;
          };
  
          this.autoOutdent = function (state, doc, row) {};
  
          this.$getIndent = function (line) {
              return line.match(/^\s*/)[0];
          };
  
          this.createWorker = function (session) {
              return null;
          };
  
          this.createModeDelegates = function (mapping) {
              this.$embeds = [];
              this.$modes = {};
              for (var i in mapping) {
                  if (mapping[i]) {
                      var Mode = mapping[i];
                      var id = Mode.prototype.$id;
                      var mode = config.$modes[id];
                      if (!mode)
                          config.$modes[id] = mode = new Mode();
                      if (!config.$modes[i])
                          config.$modes[i] = mode;
                      this.$embeds.push(i);
                      this.$modes[i] = mode;
                  }
              }
  
              var delegations = ["toggleBlockComment", "toggleCommentLines", "getNextLineIndent",
                  "checkOutdent", "autoOutdent", "transformAction", "getCompletions"
              ];
  
              for (var i = 0; i < delegations.length; i++) {
                  (function (scope) {
                      var functionName = delegations[i];
                      var defaultHandler = scope[functionName];
                      scope[delegations[i]] = function () {
                          return this.$delegator(functionName, arguments, defaultHandler);
                      };
                  }(this));
              }
          };
  
          this.$delegator = function (method, args, defaultHandler) {
              var state = args[0] || "start";
              if (typeof state != "string") {
                  if (Array.isArray(state[2])) {
                      var language = state[2][state[2].length - 1];
                      var mode = this.$modes[language];
                      if (mode)
                          return mode[method].apply(mode, [state[1]].concat([].slice.call(args, 1)));
                  }
                  state = state[0] || "start";
              }
  
              for (var i = 0; i < this.$embeds.length; i++) {
                  if (!this.$modes[this.$embeds[i]]) continue;
  
                  var split = state.split(this.$embeds[i]);
                  if (!split[0] && split[1]) {
                      args[0] = split[1];
                      var mode = this.$modes[this.$embeds[i]];
                      return mode[method].apply(mode, args);
                  }
              }
              var ret = defaultHandler.apply(this, args);
              return defaultHandler ? ret : undefined;
          };
  
          this.transformAction = function (state, action, editor, session, param) {
              if (this.$behaviour) {
                  var behaviours = this.$behaviour.getBehaviours();
                  for (var key in behaviours) {
                      if (behaviours[key][action]) {
                          var ret = behaviours[key][action].apply(this, arguments);
                          if (ret) {
                              return ret;
                          }
                      }
                  }
              }
          };
  
          this.getKeywords = function (append) {
              if (!this.completionKeywords) {
                  var rules = this.$tokenizer.rules;
                  var completionKeywords = [];
                  for (var rule in rules) {
                      var ruleItr = rules[rule];
                      for (var r = 0, l = ruleItr.length; r < l; r++) {
                          if (typeof ruleItr[r].token === "string") {
                              if (/keyword|support|storage/.test(ruleItr[r].token))
                                  completionKeywords.push(ruleItr[r].regex);
                          } else if (typeof ruleItr[r].token === "object") {
                              for (var a = 0, aLength = ruleItr[r].token.length; a < aLength; a++) {
                                  if (/keyword|support|storage/.test(ruleItr[r].token[a])) {
                                      var rule = ruleItr[r].regex.match(/\(.+?\)/g)[a];
                                      completionKeywords.push(rule.substr(1, rule.length - 2));
                                  }
                              }
                          }
                      }
                  }
                  this.completionKeywords = completionKeywords;
              }
              if (!append)
                  return this.$keywordList;
              return completionKeywords.concat(this.$keywordList || []);
          };
  
          this.$createKeywordList = function () {
              if (!this.$highlightRules)
                  this.getTokenizer();
              return this.$keywordList = this.$highlightRules.$keywordList || [];
          };
  
          this.getCompletions = function (state, session, pos, prefix) {
              var keywords = this.$keywordList || this.$createKeywordList();
              return keywords.map(function (word) {
                  return {
                      name: word,
                      value: word,
                      score: 0,
                      meta: "keyword"
                  };
              });
          };
  
          this.$id = "ace/mode/text";
      }).call(Mode.prototype);
  
      exports.Mode = Mode;
  });
  
  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;
          }
      };
  });
  
  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.off("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);
  
  });
  
  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.$splitAndapplyLargeDelta(delta, 20000);
              } else {
                  applyDelta(this.$lines, delta, doNotValidate);
                  this._signal("change", delta);
              }
          };
  
          this.$safeApplyDelta = function (delta) {
              var docLength = this.$lines.length;
              if (
                  delta.action == "remove" && delta.start.row < docLength && delta.end.row < docLength ||
                  delta.action == "insert" && delta.start.row <= docLength
              ) {
                  this.applyDelta(delta);
              }
          };
  
          this.$splitAndapplyLargeDelta = function (delta, MAX) {
              var lines = delta.lines;
              var l = lines.length - MAX + 1;
              var row = delta.start.row;
              var column = delta.start.column;
              for (var from = 0, to = 0; from < l; from = to) {
                  to += MAX - 1;
                  var chunk = lines.slice(from, to);
                  chunk.push("");
                  this.applyDelta({
                      start: this.pos(row + from, column),
                      end: this.pos(row + to, column = 0),
                      action: delta.action,
                      lines: chunk
                  }, true);
              }
              delta.lines = lines.slice(from);
              delta.start.row = row + from;
              delta.start.column = column;
              this.applyDelta(delta, true);
          };
          this.revertDelta = function (delta) {
              this.$safeApplyDelta({
                  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;
  });
  
  define("ace/background_tokenizer", ["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 BackgroundTokenizer = function (tokenizer, editor) {
          this.running = false;
          this.lines = [];
          this.states = [];
          this.currentLine = 0;
          this.tokenizer = tokenizer;
  
          var self = this;
  
          this.$worker = function () {
              if (!self.running) {
                  return;
              }
  
              var workerStart = new Date();
              var currentLine = self.currentLine;
              var endLine = -1;
              var doc = self.doc;
  
              var startLine = currentLine;
              while (self.lines[currentLine])
                  currentLine++;
  
              var len = doc.getLength();
              var processedLines = 0;
              self.running = false;
              while (currentLine < len) {
                  self.$tokenizeRow(currentLine);
                  endLine = currentLine;
                  do {
                      currentLine++;
                  } while (self.lines[currentLine]);
                  processedLines++;
                  if ((processedLines % 5 === 0) && (new Date() - workerStart) > 20) {
                      self.running = setTimeout(self.$worker, 20);
                      break;
                  }
              }
              self.currentLine = currentLine;
  
              if (endLine == -1)
                  endLine = currentLine;
  
              if (startLine <= endLine)
                  self.fireUpdateEvent(startLine, endLine);
          };
      };
  
      (function () {
  
          oop.implement(this, EventEmitter);
          this.setTokenizer = function (tokenizer) {
              this.tokenizer = tokenizer;
              this.lines = [];
              this.states = [];
  
              this.start(0);
          };
          this.setDocument = function (doc) {
              this.doc = doc;
              this.lines = [];
              this.states = [];
  
              this.stop();
          };
          this.fireUpdateEvent = function (firstRow, lastRow) {
              var data = {
                  first: firstRow,
                  last: lastRow
              };
              this._signal("update", {
                  data: data
              });
          };
          this.start = function (startRow) {
              this.currentLine = Math.min(startRow || 0, this.currentLine, this.doc.getLength());
              this.lines.splice(this.currentLine, this.lines.length);
              this.states.splice(this.currentLine, this.states.length);
  
              this.stop();
              this.running = setTimeout(this.$worker, 700);
          };
  
          this.scheduleStart = function () {
              if (!this.running)
                  this.running = setTimeout(this.$worker, 700);
          };
  
          this.$updateOnChange = function (delta) {
              var startRow = delta.start.row;
              var len = delta.end.row - startRow;
  
              if (len === 0) {
                  this.lines[startRow] = null;
              } else if (delta.action == "remove") {
                  this.lines.splice(startRow, len + 1, null);
                  this.states.splice(startRow, len + 1, null);
              } else {
                  var args = Array(len + 1);
                  args.unshift(startRow, 1);
                  this.lines.splice.apply(this.lines, args);
                  this.states.splice.apply(this.states, args);
              }
  
              this.currentLine = Math.min(startRow, this.currentLine, this.doc.getLength());
  
              this.stop();
          };
          this.stop = function () {
              if (this.running)
                  clearTimeout(this.running);
              this.running = false;
          };
          this.getTokens = function (row) {
              return this.lines[row] || this.$tokenizeRow(row);
          };
          this.getState = function (row) {
              if (this.currentLine == row)
                  this.$tokenizeRow(row);
              return this.states[row] || "start";
          };
  
          this.$tokenizeRow = function (row) {
              var line = this.doc.getLine(row);
              var state = this.states[row - 1];
  
              var data = this.tokenizer.getLineTokens(line, state, row);
  
              if (this.states[row] + "" !== data.state + "") {
                  this.states[row] = data.state;
                  this.lines[row + 1] = null;
                  if (this.currentLine > row + 1)
                      this.currentLine = row + 1;
              } else if (this.currentLine == row) {
                  this.currentLine = row + 1;
              }
  
              return this.lines[row] = data.tokens;
          };
  
      }).call(BackgroundTokenizer.prototype);
  
      exports.BackgroundTokenizer = BackgroundTokenizer;
  });
  
  define("ace/search_highlight", ["require", "exports", "module", "ace/lib/lang", "ace/lib/oop", "ace/range"], function (require, exports, module) {
      "use strict";
  
      var lang = require("./lib/lang");
      var oop = require("./lib/oop");
      var Range = require("./range").Range;
  
      var SearchHighlight = function (regExp, clazz, type) {
          this.setRegexp(regExp);
          this.clazz = clazz;
          this.type = type || "text";
      };
  
      (function () {
          this.MAX_RANGES = 500;
  
          this.setRegexp = function (regExp) {
              if (this.regExp + "" == regExp + "")
                  return;
              this.regExp = regExp;
              this.cache = [];
          };
  
          this.update = function (html, markerLayer, session, config) {
              if (!this.regExp)
                  return;
              var start = config.firstRow,
                  end = config.lastRow;
  
              for (var i = start; i <= end; i++) {
                  var ranges = this.cache[i];
                  if (ranges == null) {
                      ranges = lang.getMatchOffsets(session.getLine(i), this.regExp);
                      if (ranges.length > this.MAX_RANGES)
                          ranges = ranges.slice(0, this.MAX_RANGES);
                      ranges = ranges.map(function (match) {
                          return new Range(i, match.offset, i, match.offset + match.length);
                      });
                      this.cache[i] = ranges.length ? ranges : "";
                  }
  
                  for (var j = ranges.length; j--;) {
                      markerLayer.drawSingleLineMarker(
                          html, ranges[j].toScreenRange(session), this.clazz, config);
                  }
              }
          };
  
      }).call(SearchHighlight.prototype);
  
      exports.SearchHighlight = SearchHighlight;
  });
  
  define("ace/edit_session/fold_line", ["require", "exports", "module", "ace/range"], function (require, exports, module) {
      "use strict";
  
      var Range = require("../range").Range;
  
      function FoldLine(foldData, folds) {
          this.foldData = foldData;
          if (Array.isArray(folds)) {
              this.folds = folds;
          } else {
              folds = this.folds = [folds];
          }
  
          var last = folds[folds.length - 1];
          this.range = new Range(folds[0].start.row, folds[0].start.column,
              last.end.row, last.end.column);
          this.start = this.range.start;
          this.end = this.range.end;
  
          this.folds.forEach(function (fold) {
              fold.setFoldLine(this);
          }, this);
      }
  
      (function () {
          this.shiftRow = function (shift) {
              this.start.row += shift;
              this.end.row += shift;
              this.folds.forEach(function (fold) {
                  fold.start.row += shift;
                  fold.end.row += shift;
              });
          };
  
          this.addFold = function (fold) {
              if (fold.sameRow) {
                  if (fold.start.row < this.startRow || fold.endRow > this.endRow) {
                      throw new Error("Can't add a fold to this FoldLine as it has no connection");
                  }
                  this.folds.push(fold);
                  this.folds.sort(function (a, b) {
                      return -a.range.compareEnd(b.start.row, b.start.column);
                  });
                  if (this.range.compareEnd(fold.start.row, fold.start.column) > 0) {
                      this.end.row = fold.end.row;
                      this.end.column = fold.end.column;
                  } else if (this.range.compareStart(fold.end.row, fold.end.column) < 0) {
                      this.start.row = fold.start.row;
                      this.start.column = fold.start.column;
                  }
              } else if (fold.start.row == this.end.row) {
                  this.folds.push(fold);
                  this.end.row = fold.end.row;
                  this.end.column = fold.end.column;
              } else if (fold.end.row == this.start.row) {
                  this.folds.unshift(fold);
                  this.start.row = fold.start.row;
                  this.start.column = fold.start.column;
              } else {
                  throw new Error("Trying to add fold to FoldRow that doesn't have a matching row");
              }
              fold.foldLine = this;
          };
  
          this.containsRow = function (row) {
              return row >= this.start.row && row <= this.end.row;
          };
  
          this.walk = function (callback, endRow, endColumn) {
              var lastEnd = 0,
                  folds = this.folds,
                  fold,
                  cmp, stop, isNewRow = true;
  
              if (endRow == null) {
                  endRow = this.end.row;
                  endColumn = this.end.column;
              }
  
              for (var i = 0; i < folds.length; i++) {
                  fold = folds[i];
  
                  cmp = fold.range.compareStart(endRow, endColumn);
                  if (cmp == -1) {
                      callback(null, endRow, endColumn, lastEnd, isNewRow);
                      return;
                  }
  
                  stop = callback(null, fold.start.row, fold.start.column, lastEnd, isNewRow);
                  stop = !stop && callback(fold.placeholder, fold.start.row, fold.start.column, lastEnd);
                  if (stop || cmp === 0) {
                      return;
                  }
                  isNewRow = !fold.sameRow;
                  lastEnd = fold.end.column;
              }
              callback(null, endRow, endColumn, lastEnd, isNewRow);
          };
  
          this.getNextFoldTo = function (row, column) {
              var fold, cmp;
              for (var i = 0; i < this.folds.length; i++) {
                  fold = this.folds[i];
                  cmp = fold.range.compareEnd(row, column);
                  if (cmp == -1) {
                      return {
                          fold: fold,
                          kind: "after"
                      };
                  } else if (cmp === 0) {
                      return {
                          fold: fold,
                          kind: "inside"
                      };
                  }
              }
              return null;
          };
  
          this.addRemoveChars = function (row, column, len) {
              var ret = this.getNextFoldTo(row, column),
                  fold, folds;
              if (ret) {
                  fold = ret.fold;
                  if (ret.kind == "inside" &&
                      fold.start.column != column &&
                      fold.start.row != row) {
                      window.console && window.console.log(row, column, fold);
                  } else if (fold.start.row == row) {
                      folds = this.folds;
                      var i = folds.indexOf(fold);
                      if (i === 0) {
                          this.start.column += len;
                      }
                      for (i; i < folds.length; i++) {
                          fold = folds[i];
                          fold.start.column += len;
                          if (!fold.sameRow) {
                              return;
                          }
                          fold.end.column += len;
                      }
                      this.end.column += len;
                  }
              }
          };
  
          this.split = function (row, column) {
              var pos = this.getNextFoldTo(row, column);
  
              if (!pos || pos.kind == "inside")
                  return null;
  
              var fold = pos.fold;
              var folds = this.folds;
              var foldData = this.foldData;
  
              var i = folds.indexOf(fold);
              var foldBefore = folds[i - 1];
              this.end.row = foldBefore.end.row;
              this.end.column = foldBefore.end.column;
              folds = folds.splice(i, folds.length - i);
  
              var newFoldLine = new FoldLine(foldData, folds);
              foldData.splice(foldData.indexOf(this) + 1, 0, newFoldLine);
              return newFoldLine;
          };
  
          this.merge = function (foldLineNext) {
              var folds = foldLineNext.folds;
              for (var i = 0; i < folds.length; i++) {
                  this.addFold(folds[i]);
              }
              var foldData = this.foldData;
              foldData.splice(foldData.indexOf(foldLineNext), 1);
          };
  
          this.toString = function () {
              var ret = [this.range.toString() + ": ["];
  
              this.folds.forEach(function (fold) {
                  ret.push("  " + fold.toString());
              });
              ret.push("]");
              return ret.join("\n");
          };
  
          this.idxToPosition = function (idx) {
              var lastFoldEndColumn = 0;
  
              for (var i = 0; i < this.folds.length; i++) {
                  var fold = this.folds[i];
  
                  idx -= fold.start.column - lastFoldEndColumn;
                  if (idx < 0) {
                      return {
                          row: fold.start.row,
                          column: fold.start.column + idx
                      };
                  }
  
                  idx -= fold.placeholder.length;
                  if (idx < 0) {
                      return fold.start;
                  }
  
                  lastFoldEndColumn = fold.end.column;
              }
  
              return {
                  row: this.end.row,
                  column: this.end.column + idx
              };
          };
      }).call(FoldLine.prototype);
  
      exports.FoldLine = FoldLine;
  });
  
  define("ace/range_list", ["require", "exports", "module", "ace/range"], function (require, exports, module) {
      "use strict";
      var Range = require("./range").Range;
      var comparePoints = Range.comparePoints;
  
      var RangeList = function () {
          this.ranges = [];
          this.$bias = 1;
      };
  
      (function () {
          this.comparePoints = comparePoints;
  
          this.pointIndex = function (pos, excludeEdges, startIndex) {
              var list = this.ranges;
  
              for (var i = startIndex || 0; i < list.length; i++) {
                  var range = list[i];
                  var cmpEnd = comparePoints(pos, range.end);
                  if (cmpEnd > 0)
                      continue;
                  var cmpStart = comparePoints(pos, range.start);
                  if (cmpEnd === 0)
                      return excludeEdges && cmpStart !== 0 ? -i - 2 : i;
                  if (cmpStart > 0 || (cmpStart === 0 && !excludeEdges))
                      return i;
  
                  return -i - 1;
              }
              return -i - 1;
          };
  
          this.add = function (range) {
              var excludeEdges = !range.isEmpty();
              var startIndex = this.pointIndex(range.start, excludeEdges);
              if (startIndex < 0)
                  startIndex = -startIndex - 1;
  
              var endIndex = this.pointIndex(range.end, excludeEdges, startIndex);
  
              if (endIndex < 0)
                  endIndex = -endIndex - 1;
              else
                  endIndex++;
              return this.ranges.splice(startIndex, endIndex - startIndex, range);
          };
  
          this.addList = function (list) {
              var removed = [];
              for (var i = list.length; i--;) {
                  removed.push.apply(removed, this.add(list[i]));
              }
              return removed;
          };
  
          this.substractPoint = function (pos) {
              var i = this.pointIndex(pos);
  
              if (i >= 0)
                  return this.ranges.splice(i, 1);
          };
          this.merge = function () {
              var removed = [];
              var list = this.ranges;
  
              list = list.sort(function (a, b) {
                  return comparePoints(a.start, b.start);
              });
  
              var next = list[0],
                  range;
              for (var i = 1; i < list.length; i++) {
                  range = next;
                  next = list[i];
                  var cmp = comparePoints(range.end, next.start);
                  if (cmp < 0)
                      continue;
  
                  if (cmp == 0 && !range.isEmpty() && !next.isEmpty())
                      continue;
  
                  if (comparePoints(range.end, next.end) < 0) {
                      range.end.row = next.end.row;
                      range.end.column = next.end.column;
                  }
  
                  list.splice(i, 1);
                  removed.push(next);
                  next = range;
                  i--;
              }
  
              this.ranges = list;
  
              return removed;
          };
  
          this.contains = function (row, column) {
              return this.pointIndex({
                  row: row,
                  column: column
              }) >= 0;
          };
  
          this.containsPoint = function (pos) {
              return this.pointIndex(pos) >= 0;
          };
  
          this.rangeAtPoint = function (pos) {
              var i = this.pointIndex(pos);
              if (i >= 0)
                  return this.ranges[i];
          };
  
  
          this.clipRows = function (startRow, endRow) {
              var list = this.ranges;
              if (list[0].start.row > endRow || list[list.length - 1].start.row < startRow)
                  return [];
  
              var startIndex = this.pointIndex({
                  row: startRow,
                  column: 0
              });
              if (startIndex < 0)
                  startIndex = -startIndex - 1;
              var endIndex = this.pointIndex({
                  row: endRow,
                  column: 0
              }, startIndex);
              if (endIndex < 0)
                  endIndex = -endIndex - 1;
  
              var clipped = [];
              for (var i = startIndex; i < endIndex; i++) {
                  clipped.push(list[i]);
              }
              return clipped;
          };
  
          this.removeAll = function () {
              return this.ranges.splice(0, this.ranges.length);
          };
  
          this.attach = function (session) {
              if (this.session)
                  this.detach();
  
              this.session = session;
              this.onChange = this.$onChange.bind(this);
  
              this.session.on('change', this.onChange);
          };
  
          this.detach = function () {
              if (!this.session)
                  return;
              this.session.removeListener('change', this.onChange);
              this.session = null;
          };
  
          this.$onChange = function (delta) {
              var start = delta.start;
              var end = delta.end;
              var startRow = start.row;
              var endRow = end.row;
              var ranges = this.ranges;
              for (var i = 0, n = ranges.length; i < n; i++) {
                  var r = ranges[i];
                  if (r.end.row >= startRow)
                      break;
              }
  
              if (delta.action == "insert") {
                  var lineDif = endRow - startRow;
                  var colDiff = -start.column + end.column;
                  for (; i < n; i++) {
                      var r = ranges[i];
                      if (r.start.row > startRow)
                          break;
  
                      if (r.start.row == startRow && r.start.column >= start.column) {
                          if (r.start.column == start.column && this.$bias <= 0) {} else {
                              r.start.column += colDiff;
                              r.start.row += lineDif;
                          }
                      }
                      if (r.end.row == startRow && r.end.column >= start.column) {
                          if (r.end.column == start.column && this.$bias < 0) {
                              continue;
                          }
                          if (r.end.column == start.column && colDiff > 0 && i < n - 1) {
                              if (r.end.column > r.start.column && r.end.column == ranges[i + 1].start.column)
                                  r.end.column -= colDiff;
                          }
                          r.end.column += colDiff;
                          r.end.row += lineDif;
                      }
                  }
              } else {
                  var lineDif = startRow - endRow;
                  var colDiff = start.column - end.column;
                  for (; i < n; i++) {
                      var r = ranges[i];
  
                      if (r.start.row > endRow)
                          break;
  
                      if (r.end.row < endRow &&
                          (
                              startRow < r.end.row ||
                              startRow == r.end.row && start.column < r.end.column
                          )
                      ) {
                          r.end.row = startRow;
                          r.end.column = start.column;
                      } else if (r.end.row == endRow) {
                          if (r.end.column <= end.column) {
                              if (lineDif || r.end.column > start.column) {
                                  r.end.column = start.column;
                                  r.end.row = start.row;
                              }
                          } else {
                              r.end.column += colDiff;
                              r.end.row += lineDif;
                          }
                      } else if (r.end.row > endRow) {
                          r.end.row += lineDif;
                      }
  
                      if (r.start.row < endRow &&
                          (
                              startRow < r.start.row ||
                              startRow == r.start.row && start.column < r.start.column
                          )
                      ) {
                          r.start.row = startRow;
                          r.start.column = start.column;
                      } else if (r.start.row == endRow) {
                          if (r.start.column <= end.column) {
                              if (lineDif || r.start.column > start.column) {
                                  r.start.column = start.column;
                                  r.start.row = start.row;
                              }
                          } else {
                              r.start.column += colDiff;
                              r.start.row += lineDif;
                          }
                      } else if (r.start.row > endRow) {
                          r.start.row += lineDif;
                      }
                  }
              }
  
              if (lineDif != 0 && i < n) {
                  for (; i < n; i++) {
                      var r = ranges[i];
                      r.start.row += lineDif;
                      r.end.row += lineDif;
                  }
              }
          };
  
      }).call(RangeList.prototype);
  
      exports.RangeList = RangeList;
  });
  
  define("ace/edit_session/fold", ["require", "exports", "module", "ace/range_list", "ace/lib/oop"], function (require, exports, module) {
      "use strict";
  
      var RangeList = require("../range_list").RangeList;
      var oop = require("../lib/oop");
      var Fold = exports.Fold = function (range, placeholder) {
          this.foldLine = null;
          this.placeholder = placeholder;
          this.range = range;
          this.start = range.start;
          this.end = range.end;
  
          this.sameRow = range.start.row == range.end.row;
          this.subFolds = this.ranges = [];
      };
  
      oop.inherits(Fold, RangeList);
  
      (function () {
  
          this.toString = function () {
              return '"' + this.placeholder + '" ' + this.range.toString();
          };
  
          this.setFoldLine = function (foldLine) {
              this.foldLine = foldLine;
              this.subFolds.forEach(function (fold) {
                  fold.setFoldLine(foldLine);
              });
          };
  
          this.clone = function () {
              var range = this.range.clone();
              var fold = new Fold(range, this.placeholder);
              this.subFolds.forEach(function (subFold) {
                  fold.subFolds.push(subFold.clone());
              });
              fold.collapseChildren = this.collapseChildren;
              return fold;
          };
  
          this.addSubFold = function (fold) {
              if (this.range.isEqual(fold))
                  return;
              consumeRange(fold, this.start);
  
              var row = fold.start.row,
                  column = fold.start.column;
              for (var i = 0, cmp = -1; i < this.subFolds.length; i++) {
                  cmp = this.subFolds[i].range.compare(row, column);
                  if (cmp != 1)
                      break;
              }
              var afterStart = this.subFolds[i];
              var firstConsumed = 0;
  
              if (cmp == 0) {
                  if (afterStart.range.containsRange(fold))
                      return afterStart.addSubFold(fold);
                  else
                      firstConsumed = 1;
              }
              var row = fold.range.end.row,
                  column = fold.range.end.column;
              for (var j = i, cmp = -1; j < this.subFolds.length; j++) {
                  cmp = this.subFolds[j].range.compare(row, column);
                  if (cmp != 1)
                      break;
              }
              if (cmp == 0) j++;
              var consumedFolds = this.subFolds.splice(i, j - i, fold);
              var last = cmp == 0 ? consumedFolds.length - 1 : consumedFolds.length;
              for (var k = firstConsumed; k < last; k++) {
                  fold.addSubFold(consumedFolds[k]);
              }
              fold.setFoldLine(this.foldLine);
  
              return fold;
          };
  
          this.restoreRange = function (range) {
              return restoreRange(range, this.start);
          };
  
      }).call(Fold.prototype);
  
      function consumePoint(point, anchor) {
          point.row -= anchor.row;
          if (point.row == 0)
              point.column -= anchor.column;
      }
  
      function consumeRange(range, anchor) {
          consumePoint(range.start, anchor);
          consumePoint(range.end, anchor);
      }
  
      function restorePoint(point, anchor) {
          if (point.row == 0)
              point.column += anchor.column;
          point.row += anchor.row;
      }
  
      function restoreRange(range, anchor) {
          restorePoint(range.start, anchor);
          restorePoint(range.end, anchor);
      }
  
  });
  
  define("ace/edit_session/folding", ["require", "exports", "module", "ace/range", "ace/edit_session/fold_line", "ace/edit_session/fold", "ace/token_iterator"], function (require, exports, module) {
      "use strict";
  
      var Range = require("../range").Range;
      var FoldLine = require("./fold_line").FoldLine;
      var Fold = require("./fold").Fold;
      var TokenIterator = require("../token_iterator").TokenIterator;
  
      function Folding() {
          this.getFoldAt = function (row, column, side) {
              var foldLine = this.getFoldLine(row);
              if (!foldLine)
                  return null;
  
              var folds = foldLine.folds;
              for (var i = 0; i < folds.length; i++) {
                  var range = folds[i].range;
                  if (range.contains(row, column)) {
                      if (side == 1 && range.isEnd(row, column) && !range.isEmpty()) {
                          continue;
                      } else if (side == -1 && range.isStart(row, column) && !range.isEmpty()) {
                          continue;
                      }
                      return folds[i];
                  }
              }
          };
          this.getFoldsInRange = function (range) {
              var start = range.start;
              var end = range.end;
              var foldLines = this.$foldData;
              var foundFolds = [];
  
              start.column += 1;
              end.column -= 1;
  
              for (var i = 0; i < foldLines.length; i++) {
                  var cmp = foldLines[i].range.compareRange(range);
                  if (cmp == 2) {
                      continue;
                  } else if (cmp == -2) {
                      break;
                  }
  
                  var folds = foldLines[i].folds;
                  for (var j = 0; j < folds.length; j++) {
                      var fold = folds[j];
                      cmp = fold.range.compareRange(range);
                      if (cmp == -2) {
                          break;
                      } else if (cmp == 2) {
                          continue;
                      } else
                      if (cmp == 42) {
                          break;
                      }
                      foundFolds.push(fold);
                  }
              }
              start.column -= 1;
              end.column += 1;
  
              return foundFolds;
          };
  
          this.getFoldsInRangeList = function (ranges) {
              if (Array.isArray(ranges)) {
                  var folds = [];
                  ranges.forEach(function (range) {
                      folds = folds.concat(this.getFoldsInRange(range));
                  }, this);
              } else {
                  var folds = this.getFoldsInRange(ranges);
              }
              return folds;
          };
          this.getAllFolds = function () {
              var folds = [];
              var foldLines = this.$foldData;
  
              for (var i = 0; i < foldLines.length; i++)
                  for (var j = 0; j < foldLines[i].folds.length; j++)
                      folds.push(foldLines[i].folds[j]);
  
              return folds;
          };
          this.getFoldStringAt = function (row, column, trim, foldLine) {
              foldLine = foldLine || this.getFoldLine(row);
              if (!foldLine)
                  return null;
  
              var lastFold = {
                  end: {
                      column: 0
                  }
              };
              var str, fold;
              for (var i = 0; i < foldLine.folds.length; i++) {
                  fold = foldLine.folds[i];
                  var cmp = fold.range.compareEnd(row, column);
                  if (cmp == -1) {
                      str = this
                          .getLine(fold.start.row)
                          .substring(lastFold.end.column, fold.start.column);
                      break;
                  } else if (cmp === 0) {
                      return null;
                  }
                  lastFold = fold;
              }
              if (!str)
                  str = this.getLine(fold.start.row).substring(lastFold.end.column);
  
              if (trim == -1)
                  return str.substring(0, column - lastFold.end.column);
              else if (trim == 1)
                  return str.substring(column - lastFold.end.column);
              else
                  return str;
          };
  
          this.getFoldLine = function (docRow, startFoldLine) {
              var foldData = this.$foldData;
              var i = 0;
              if (startFoldLine)
                  i = foldData.indexOf(startFoldLine);
              if (i == -1)
                  i = 0;
              for (i; i < foldData.length; i++) {
                  var foldLine = foldData[i];
                  if (foldLine.start.row <= docRow && foldLine.end.row >= docRow) {
                      return foldLine;
                  } else if (foldLine.end.row > docRow) {
                      return null;
                  }
              }
              return null;
          };
          this.getNextFoldLine = function (docRow, startFoldLine) {
              var foldData = this.$foldData;
              var i = 0;
              if (startFoldLine)
                  i = foldData.indexOf(startFoldLine);
              if (i == -1)
                  i = 0;
              for (i; i < foldData.length; i++) {
                  var foldLine = foldData[i];
                  if (foldLine.end.row >= docRow) {
                      return foldLine;
                  }
              }
              return null;
          };
  
          this.getFoldedRowCount = function (first, last) {
              var foldData = this.$foldData,
                  rowCount = last - first + 1;
              for (var i = 0; i < foldData.length; i++) {
                  var foldLine = foldData[i],
                      end = foldLine.end.row,
                      start = foldLine.start.row;
                  if (end >= last) {
                      if (start < last) {
                          if (start >= first)
                              rowCount -= last - start;
                          else
                              rowCount = 0; // in one fold
                      }
                      break;
                  } else if (end >= first) {
                      if (start >= first) // fold inside range
                          rowCount -= end - start;
                      else
                          rowCount -= end - first + 1;
                  }
              }
              return rowCount;
          };
  
          this.$addFoldLine = function (foldLine) {
              this.$foldData.push(foldLine);
              this.$foldData.sort(function (a, b) {
                  return a.start.row - b.start.row;
              });
              return foldLine;
          };
          this.addFold = function (placeholder, range) {
              var foldData = this.$foldData;
              var added = false;
              var fold;
  
              if (placeholder instanceof Fold)
                  fold = placeholder;
              else {
                  fold = new Fold(range, placeholder);
                  fold.collapseChildren = range.collapseChildren;
              }
              this.$clipRangeToDocument(fold.range);
  
              var startRow = fold.start.row;
              var startColumn = fold.start.column;
              var endRow = fold.end.row;
              var endColumn = fold.end.column;
  
              var startFold = this.getFoldAt(startRow, startColumn, 1);
              var endFold = this.getFoldAt(endRow, endColumn, -1);
              if (startFold && endFold == startFold)
                  return startFold.addSubFold(fold);
  
              if (startFold && !startFold.range.isStart(startRow, startColumn))
                  this.removeFold(startFold);
  
              if (endFold && !endFold.range.isEnd(endRow, endColumn))
                  this.removeFold(endFold);
              var folds = this.getFoldsInRange(fold.range);
              if (folds.length > 0) {
                  this.removeFolds(folds);
                  if (!fold.collapseChildren) {
                      folds.forEach(function (subFold) {
                          fold.addSubFold(subFold);
                      });
                  }
              }
  
              for (var i = 0; i < foldData.length; i++) {
                  var foldLine = foldData[i];
                  if (endRow == foldLine.start.row) {
                      foldLine.addFold(fold);
                      added = true;
                      break;
                  } else if (startRow == foldLine.end.row) {
                      foldLine.addFold(fold);
                      added = true;
                      if (!fold.sameRow) {
                          var foldLineNext = foldData[i + 1];
                          if (foldLineNext && foldLineNext.start.row == endRow) {
                              foldLine.merge(foldLineNext);
                              break;
                          }
                      }
                      break;
                  } else if (endRow <= foldLine.start.row) {
                      break;
                  }
              }
  
              if (!added)
                  foldLine = this.$addFoldLine(new FoldLine(this.$foldData, fold));
  
              if (this.$useWrapMode)
                  this.$updateWrapData(foldLine.start.row, foldLine.start.row);
              else
                  this.$updateRowLengthCache(foldLine.start.row, foldLine.start.row);
              this.$modified = true;
              this._signal("changeFold", {
                  data: fold,
                  action: "add"
              });
  
              return fold;
          };
  
          this.addFolds = function (folds) {
              folds.forEach(function (fold) {
                  this.addFold(fold);
              }, this);
          };
  
          this.removeFold = function (fold) {
              var foldLine = fold.foldLine;
              var startRow = foldLine.start.row;
              var endRow = foldLine.end.row;
  
              var foldLines = this.$foldData;
              var folds = foldLine.folds;
              if (folds.length == 1) {
                  foldLines.splice(foldLines.indexOf(foldLine), 1);
              } else
              if (foldLine.range.isEnd(fold.end.row, fold.end.column)) {
                  folds.pop();
                  foldLine.end.row = folds[folds.length - 1].end.row;
                  foldLine.end.column = folds[folds.length - 1].end.column;
              } else
              if (foldLine.range.isStart(fold.start.row, fold.start.column)) {
                  folds.shift();
                  foldLine.start.row = folds[0].start.row;
                  foldLine.start.column = folds[0].start.column;
              } else
              if (fold.sameRow) {
                  folds.splice(folds.indexOf(fold), 1);
              } else {
                  var newFoldLine = foldLine.split(fold.start.row, fold.start.column);
                  folds = newFoldLine.folds;
                  folds.shift();
                  newFoldLine.start.row = folds[0].start.row;
                  newFoldLine.start.column = folds[0].start.column;
              }
  
              if (!this.$updating) {
                  if (this.$useWrapMode)
                      this.$updateWrapData(startRow, endRow);
                  else
                      this.$updateRowLengthCache(startRow, endRow);
              }
              this.$modified = true;
              this._signal("changeFold", {
                  data: fold,
                  action: "remove"
              });
          };
  
          this.removeFolds = function (folds) {
              var cloneFolds = [];
              for (var i = 0; i < folds.length; i++) {
                  cloneFolds.push(folds[i]);
              }
  
              cloneFolds.forEach(function (fold) {
                  this.removeFold(fold);
              }, this);
              this.$modified = true;
          };
  
          this.expandFold = function (fold) {
              this.removeFold(fold);
              fold.subFolds.forEach(function (subFold) {
                  fold.restoreRange(subFold);
                  this.addFold(subFold);
              }, this);
              if (fold.collapseChildren > 0) {
                  this.foldAll(fold.start.row + 1, fold.end.row, fold.collapseChildren - 1);
              }
              fold.subFolds = [];
          };
  
          this.expandFolds = function (folds) {
              folds.forEach(function (fold) {
                  this.expandFold(fold);
              }, this);
          };
  
          this.unfold = function (location, expandInner) {
              var range, folds;
              if (location == null) {
                  range = new Range(0, 0, this.getLength(), 0);
                  if (expandInner == null) expandInner = true;
              } else if (typeof location == "number")
                  range = new Range(location, 0, location, this.getLine(location).length);
              else if ("row" in location)
                  range = Range.fromPoints(location, location);
              else
                  range = location;
  
              folds = this.getFoldsInRangeList(range);
              if (expandInner != false) {
                  this.removeFolds(folds);
              } else {
                  this.expandFolds(folds);
              }
              if (folds.length)
                  return folds;
          };
          this.isRowFolded = function (docRow, startFoldRow) {
              return !!this.getFoldLine(docRow, startFoldRow);
          };
  
          this.getRowFoldEnd = function (docRow, startFoldRow) {
              var foldLine = this.getFoldLine(docRow, startFoldRow);
              return foldLine ? foldLine.end.row : docRow;
          };
  
          this.getRowFoldStart = function (docRow, startFoldRow) {
              var foldLine = this.getFoldLine(docRow, startFoldRow);
              return foldLine ? foldLine.start.row : docRow;
          };
  
          this.getFoldDisplayLine = function (foldLine, endRow, endColumn, startRow, startColumn) {
              if (startRow == null)
                  startRow = foldLine.start.row;
              if (startColumn == null)
                  startColumn = 0;
              if (endRow == null)
                  endRow = foldLine.end.row;
              if (endColumn == null)
                  endColumn = this.getLine(endRow).length;
              var doc = this.doc;
              var textLine = "";
  
              foldLine.walk(function (placeholder, row, column, lastColumn) {
                  if (row < startRow)
                      return;
                  if (row == startRow) {
                      if (column < startColumn)
                          return;
                      lastColumn = Math.max(startColumn, lastColumn);
                  }
  
                  if (placeholder != null) {
                      textLine += placeholder;
                  } else {
                      textLine += doc.getLine(row).substring(lastColumn, column);
                  }
              }, endRow, endColumn);
              return textLine;
          };
  
          this.getDisplayLine = function (row, endColumn, startRow, startColumn) {
              var foldLine = this.getFoldLine(row);
  
              if (!foldLine) {
                  var line;
                  line = this.doc.getLine(row);
                  return line.substring(startColumn || 0, endColumn || line.length);
              } else {
                  return this.getFoldDisplayLine(
                      foldLine, row, endColumn, startRow, startColumn);
              }
          };
  
          this.$cloneFoldData = function () {
              var fd = [];
              fd = this.$foldData.map(function (foldLine) {
                  var folds = foldLine.folds.map(function (fold) {
                      return fold.clone();
                  });
                  return new FoldLine(fd, folds);
              });
  
              return fd;
          };
  
          this.toggleFold = function (tryToUnfold) {
              var selection = this.selection;
              var range = selection.getRange();
              var fold;
              var bracketPos;
  
              if (range.isEmpty()) {
                  var cursor = range.start;
                  fold = this.getFoldAt(cursor.row, cursor.column);
  
                  if (fold) {
                      this.expandFold(fold);
                      return;
                  } else if (bracketPos = this.findMatchingBracket(cursor)) {
                      if (range.comparePoint(bracketPos) == 1) {
                          range.end = bracketPos;
                      } else {
                          range.start = bracketPos;
                          range.start.column++;
                          range.end.column--;
                      }
                  } else if (bracketPos = this.findMatchingBracket({
                          row: cursor.row,
                          column: cursor.column + 1
                      })) {
                      if (range.comparePoint(bracketPos) == 1)
                          range.end = bracketPos;
                      else
                          range.start = bracketPos;
  
                      range.start.column++;
                  } else {
                      range = this.getCommentFoldRange(cursor.row, cursor.column) || range;
                  }
              } else {
                  var folds = this.getFoldsInRange(range);
                  if (tryToUnfold && folds.length) {
                      this.expandFolds(folds);
                      return;
                  } else if (folds.length == 1) {
                      fold = folds[0];
                  }
              }
  
              if (!fold)
                  fold = this.getFoldAt(range.start.row, range.start.column);
  
              if (fold && fold.range.toString() == range.toString()) {
                  this.expandFold(fold);
                  return;
              }
  
              var placeholder = "...";
              if (!range.isMultiLine()) {
                  placeholder = this.getTextRange(range);
                  if (placeholder.length < 4)
                      return;
                  placeholder = placeholder.trim().substring(0, 2) + "..";
              }
  
              this.addFold(placeholder, range);
          };
  
          this.getCommentFoldRange = function (row, column, dir) {
              var iterator = new TokenIterator(this, row, column);
              var token = iterator.getCurrentToken();
              var type = token && token.type;
              if (token && /^comment|string/.test(type)) {
                  type = type.match(/comment|string/)[0];
                  if (type == "comment")
                      type += "|doc-start";
                  var re = new RegExp(type);
                  var range = new Range();
                  if (dir != 1) {
                      do {
                          token = iterator.stepBackward();
                      } while (token && re.test(token.type));
                      iterator.stepForward();
                  }
  
                  range.start.row = iterator.getCurrentTokenRow();
                  range.start.column = iterator.getCurrentTokenColumn() + 2;
  
                  iterator = new TokenIterator(this, row, column);
  
                  if (dir != -1) {
                      var lastRow = -1;
                      do {
                          token = iterator.stepForward();
                          if (lastRow == -1) {
                              var state = this.getState(iterator.$row);
                              if (!re.test(state))
                                  lastRow = iterator.$row;
                          } else if (iterator.$row > lastRow) {
                              break;
                          }
                      } while (token && re.test(token.type));
                      token = iterator.stepBackward();
                  } else
                      token = iterator.getCurrentToken();
  
                  range.end.row = iterator.getCurrentTokenRow();
                  range.end.column = iterator.getCurrentTokenColumn() + token.value.length - 2;
                  return range;
              }
          };
  
          this.foldAll = function (startRow, endRow, depth, test) {
              if (depth == undefined)
                  depth = 100000; // JSON.stringify doesn't hanle Infinity
              var foldWidgets = this.foldWidgets;
              if (!foldWidgets)
                  return; // mode doesn't support folding
              endRow = endRow || this.getLength();
              startRow = startRow || 0;
              for (var row = startRow; row < endRow; row++) {
                  if (foldWidgets[row] == null)
                      foldWidgets[row] = this.getFoldWidget(row);
                  if (foldWidgets[row] != "start")
                      continue;
  
                  if (test && !test(row)) continue;
  
                  var range = this.getFoldWidgetRange(row);
                  if (range && range.isMultiLine() &&
                      range.end.row <= endRow &&
                      range.start.row >= startRow
                  ) {
                      row = range.end.row;
                      range.collapseChildren = depth;
                      this.addFold("...", range);
                  }
              }
          };
  
          this.foldToLevel = function (level) {
              this.foldAll();
              while (level-- > 0)
                  this.unfold(null, false);
          };
  
          this.foldAllComments = function () {
              var session = this;
              this.foldAll(null, null, null, function (row) {
                  var tokens = session.getTokens(row);
                  for (var i = 0; i < tokens.length; i++) {
                      var token = tokens[i];
                      if (token.type == "text" && /^\s+$/.test(token.value))
                          continue;
                      if (/comment/.test(token.type))
                          return true;
                      return false;
                  }
              });
          };
          this.$foldStyles = {
              "manual": 1,
              "markbegin": 1,
              "markbeginend": 1
          };
          this.$foldStyle = "markbegin";
          this.setFoldStyle = function (style) {
              if (!this.$foldStyles[style])
                  throw new Error("invalid fold style: " + style + "[" + Object.keys(this.$foldStyles).join(", ") + "]");
  
              if (this.$foldStyle == style)
                  return;
  
              this.$foldStyle = style;
  
              if (style == "manual")
                  this.unfold();
              var mode = this.$foldMode;
              this.$setFolding(null);
              this.$setFolding(mode);
          };
  
          this.$setFolding = function (foldMode) {
              if (this.$foldMode == foldMode)
                  return;
  
              this.$foldMode = foldMode;
  
              this.off('change', this.$updateFoldWidgets);
              this.off('tokenizerUpdate', this.$tokenizerUpdateFoldWidgets);
              this._signal("changeAnnotation");
  
              if (!foldMode || this.$foldStyle == "manual") {
                  this.foldWidgets = null;
                  return;
              }
  
              this.foldWidgets = [];
              this.getFoldWidget = foldMode.getFoldWidget.bind(foldMode, this, this.$foldStyle);
              this.getFoldWidgetRange = foldMode.getFoldWidgetRange.bind(foldMode, this, this.$foldStyle);
  
              this.$updateFoldWidgets = this.updateFoldWidgets.bind(this);
              this.$tokenizerUpdateFoldWidgets = this.tokenizerUpdateFoldWidgets.bind(this);
              this.on('change', this.$updateFoldWidgets);
              this.on('tokenizerUpdate', this.$tokenizerUpdateFoldWidgets);
          };
  
          this.getParentFoldRangeData = function (row, ignoreCurrent) {
              var fw = this.foldWidgets;
              if (!fw || (ignoreCurrent && fw[row]))
                  return {};
  
              var i = row - 1,
                  firstRange;
              while (i >= 0) {
                  var c = fw[i];
                  if (c == null)
                      c = fw[i] = this.getFoldWidget(i);
  
                  if (c == "start") {
                      var range = this.getFoldWidgetRange(i);
                      if (!firstRange)
                          firstRange = range;
                      if (range && range.end.row >= row)
                          break;
                  }
                  i--;
              }
  
              return {
                  range: i !== -1 && range,
                  firstRange: firstRange
              };
          };
  
          this.onFoldWidgetClick = function (row, e) {
              e = e.domEvent;
              var options = {
                  children: e.shiftKey,
                  all: e.ctrlKey || e.metaKey,
                  siblings: e.altKey
              };
  
              var range = this.$toggleFoldWidget(row, options);
              if (!range) {
                  var el = (e.target || e.srcElement);
                  if (el && /ace_fold-widget/.test(el.className))
                      el.className += " ace_invalid";
              }
          };
  
          this.$toggleFoldWidget = function (row, options) {
              if (!this.getFoldWidget)
                  return;
              var type = this.getFoldWidget(row);
              var line = this.getLine(row);
  
              var dir = type === "end" ? -1 : 1;
              var fold = this.getFoldAt(row, dir === -1 ? 0 : line.length, dir);
  
              if (fold) {
                  if (options.children || options.all)
                      this.removeFold(fold);
                  else
                      this.expandFold(fold);
                  return fold;
              }
  
              var range = this.getFoldWidgetRange(row, true);
              if (range && !range.isMultiLine()) {
                  fold = this.getFoldAt(range.start.row, range.start.column, 1);
                  if (fold && range.isEqual(fold.range)) {
                      this.removeFold(fold);
                      return fold;
                  }
              }
  
              if (options.siblings) {
                  var data = this.getParentFoldRangeData(row);
                  if (data.range) {
                      var startRow = data.range.start.row + 1;
                      var endRow = data.range.end.row;
                  }
                  this.foldAll(startRow, endRow, options.all ? 10000 : 0);
              } else if (options.children) {
                  endRow = range ? range.end.row : this.getLength();
                  this.foldAll(row + 1, endRow, options.all ? 10000 : 0);
              } else if (range) {
                  if (options.all)
                      range.collapseChildren = 10000;
                  this.addFold("...", range);
              }
  
              return range;
          };
  
  
  
          this.toggleFoldWidget = function (toggleParent) {
              var row = this.selection.getCursor().row;
              row = this.getRowFoldStart(row);
              var range = this.$toggleFoldWidget(row, {});
  
              if (range)
                  return;
              var data = this.getParentFoldRangeData(row, true);
              range = data.range || data.firstRange;
  
              if (range) {
                  row = range.start.row;
                  var fold = this.getFoldAt(row, this.getLine(row).length, 1);
  
                  if (fold) {
                      this.removeFold(fold);
                  } else {
                      this.addFold("...", range);
                  }
              }
          };
  
          this.updateFoldWidgets = function (delta) {
              var firstRow = delta.start.row;
              var len = delta.end.row - firstRow;
  
              if (len === 0) {
                  this.foldWidgets[firstRow] = null;
              } else if (delta.action == 'remove') {
                  this.foldWidgets.splice(firstRow, len + 1, null);
              } else {
                  var args = Array(len + 1);
                  args.unshift(firstRow, 1);
                  this.foldWidgets.splice.apply(this.foldWidgets, args);
              }
          };
          this.tokenizerUpdateFoldWidgets = function (e) {
              var rows = e.data;
              if (rows.first != rows.last) {
                  if (this.foldWidgets.length > rows.first)
                      this.foldWidgets.splice(rows.first, this.foldWidgets.length);
              }
          };
      }
  
      exports.Folding = Folding;
  
  });
  
  define("ace/edit_session/bracket_match", ["require", "exports", "module", "ace/token_iterator", "ace/range"], function (require, exports, module) {
      "use strict";
  
      var TokenIterator = require("../token_iterator").TokenIterator;
      var Range = require("../range").Range;
  
  
      function BracketMatch() {
  
          this.findMatchingBracket = function (position, chr) {
              if (position.column == 0) return null;
  
              var charBeforeCursor = chr || this.getLine(position.row).charAt(position.column - 1);
              if (charBeforeCursor == "") return null;
  
              var match = charBeforeCursor.match(/([\(\[\{])|([\)\]\}])/);
              if (!match)
                  return null;
  
              if (match[1])
                  return this.$findClosingBracket(match[1], position);
              else
                  return this.$findOpeningBracket(match[2], position);
          };
  
          this.getBracketRange = function (pos) {
              var line = this.getLine(pos.row);
              var before = true,
                  range;
  
              var chr = line.charAt(pos.column - 1);
              var match = chr && chr.match(/([\(\[\{])|([\)\]\}])/);
              if (!match) {
                  chr = line.charAt(pos.column);
                  pos = {
                      row: pos.row,
                      column: pos.column + 1
                  };
                  match = chr && chr.match(/([\(\[\{])|([\)\]\}])/);
                  before = false;
              }
              if (!match)
                  return null;
  
              if (match[1]) {
                  var bracketPos = this.$findClosingBracket(match[1], pos);
                  if (!bracketPos)
                      return null;
                  range = Range.fromPoints(pos, bracketPos);
                  if (!before) {
                      range.end.column++;
                      range.start.column--;
                  }
                  range.cursor = range.end;
              } else {
                  var bracketPos = this.$findOpeningBracket(match[2], pos);
                  if (!bracketPos)
                      return null;
                  range = Range.fromPoints(bracketPos, pos);
                  if (!before) {
                      range.start.column++;
                      range.end.column--;
                  }
                  range.cursor = range.start;
              }
  
              return range;
          };
          this.getMatchingBracketRanges = function (pos) {
              var line = this.getLine(pos.row);
  
              var chr = line.charAt(pos.column - 1);
              var match = chr && chr.match(/([\(\[\{])|([\)\]\}])/);
              if (!match) {
                  chr = line.charAt(pos.column);
                  pos = {
                      row: pos.row,
                      column: pos.column + 1
                  };
                  match = chr && chr.match(/([\(\[\{])|([\)\]\}])/);
              }
  
              if (!match)
                  return null;
  
              var startRange = new Range(pos.row, pos.column - 1, pos.row, pos.column);
              var bracketPos = match[1] ? this.$findClosingBracket(match[1], pos) :
                  this.$findOpeningBracket(match[2], pos);
              if (!bracketPos)
                  return [startRange];
              var endRange = new Range(bracketPos.row, bracketPos.column, bracketPos.row, bracketPos.column + 1);
  
              return [startRange, endRange];
          };
  
          this.$brackets = {
              ")": "(",
              "(": ")",
              "]": "[",
              "[": "]",
              "{": "}",
              "}": "{",
              "<": ">",
              ">": "<"
          };
  
          this.$findOpeningBracket = function (bracket, position, typeRe) {
              var openBracket = this.$brackets[bracket];
              var depth = 1;
  
              var iterator = new TokenIterator(this, position.row, position.column);
              var token = iterator.getCurrentToken();
              if (!token)
                  token = iterator.stepForward();
              if (!token)
                  return;
  
              if (!typeRe) {
                  typeRe = new RegExp(
                      "(\\.?" +
                      token.type.replace(".", "\\.").replace("rparen", ".paren")
                      .replace(/\b(?:end)\b/, "(?:start|begin|end)") +
                      ")+"
                  );
              }
              var valueIndex = position.column - iterator.getCurrentTokenColumn() - 2;
              var value = token.value;
  
              while (true) {
  
                  while (valueIndex >= 0) {
                      var chr = value.charAt(valueIndex);
                      if (chr == openBracket) {
                          depth -= 1;
                          if (depth == 0) {
                              return {
                                  row: iterator.getCurrentTokenRow(),
                                  column: valueIndex + iterator.getCurrentTokenColumn()
                              };
                          }
                      } else if (chr == bracket) {
                          depth += 1;
                      }
                      valueIndex -= 1;
                  }
                  do {
                      token = iterator.stepBackward();
                  } while (token && !typeRe.test(token.type));
  
                  if (token == null)
                      break;
  
                  value = token.value;
                  valueIndex = value.length - 1;
              }
  
              return null;
          };
  
          this.$findClosingBracket = function (bracket, position, typeRe) {
              var closingBracket = this.$brackets[bracket];
              var depth = 1;
  
              var iterator = new TokenIterator(this, position.row, position.column);
              var token = iterator.getCurrentToken();
              if (!token)
                  token = iterator.stepForward();
              if (!token)
                  return;
  
              if (!typeRe) {
                  typeRe = new RegExp(
                      "(\\.?" +
                      token.type.replace(".", "\\.").replace("lparen", ".paren")
                      .replace(/\b(?:start|begin)\b/, "(?:start|begin|end)") +
                      ")+"
                  );
              }
              var valueIndex = position.column - iterator.getCurrentTokenColumn();
  
              while (true) {
  
                  var value = token.value;
                  var valueLength = value.length;
                  while (valueIndex < valueLength) {
                      var chr = value.charAt(valueIndex);
                      if (chr == closingBracket) {
                          depth -= 1;
                          if (depth == 0) {
                              return {
                                  row: iterator.getCurrentTokenRow(),
                                  column: valueIndex + iterator.getCurrentTokenColumn()
                              };
                          }
                      } else if (chr == bracket) {
                          depth += 1;
                      }
                      valueIndex += 1;
                  }
                  do {
                      token = iterator.stepForward();
                  } while (token && !typeRe.test(token.type));
  
                  if (token == null)
                      break;
  
                  valueIndex = 0;
              }
  
              return null;
          };
      }
      exports.BracketMatch = BracketMatch;
  
  });
  
  define("ace/edit_session", ["require", "exports", "module", "ace/lib/oop", "ace/lib/lang", "ace/bidihandler", "ace/config", "ace/lib/event_emitter", "ace/selection", "ace/mode/text", "ace/range", "ace/document", "ace/background_tokenizer", "ace/search_highlight", "ace/edit_session/folding", "ace/edit_session/bracket_match"], function (require, exports, module) {
      "use strict";
  
      var oop = require("./lib/oop");
      var lang = require("./lib/lang");
      var BidiHandler = require("./bidihandler").BidiHandler;
      var config = require("./config");
      var EventEmitter = require("./lib/event_emitter").EventEmitter;
      var Selection = require("./selection").Selection;
      var TextMode = require("./mode/text").Mode;
      var Range = require("./range").Range;
      var Document = require("./document").Document;
      var BackgroundTokenizer = require("./background_tokenizer").BackgroundTokenizer;
      var SearchHighlight = require("./search_highlight").SearchHighlight;
  
      var EditSession = function (text, mode) {
          this.$breakpoints = [];
          this.$decorations = [];
          this.$frontMarkers = {};
          this.$backMarkers = {};
          this.$markerId = 1;
          this.$undoSelect = true;
  
          this.$foldData = [];
          this.id = "session" + (++EditSession.$uid);
          this.$foldData.toString = function () {
              return this.join("\n");
          };
          this.on("changeFold", this.onChangeFold.bind(this));
          this.$onChange = this.onChange.bind(this);
  
          if (typeof text != "object" || !text.getLine)
              text = new Document(text);
  
          this.setDocument(text);
          this.selection = new Selection(this);
          this.$bidiHandler = new BidiHandler(this);
  
          config.resetOptions(this);
          this.setMode(mode);
          config._signal("session", this);
      };
  
  
      EditSession.$uid = 0;
  
      (function () {
  
          oop.implement(this, EventEmitter);
          this.setDocument = function (doc) {
              if (this.doc)
                  this.doc.removeListener("change", this.$onChange);
  
              this.doc = doc;
              doc.on("change", this.$onChange);
  
              if (this.bgTokenizer)
                  this.bgTokenizer.setDocument(this.getDocument());
  
              this.resetCaches();
          };
          this.getDocument = function () {
              return this.doc;
          };
          this.$resetRowCache = function (docRow) {
              if (!docRow) {
                  this.$docRowCache = [];
                  this.$screenRowCache = [];
                  return;
              }
              var l = this.$docRowCache.length;
              var i = this.$getRowCacheIndex(this.$docRowCache, docRow) + 1;
              if (l > i) {
                  this.$docRowCache.splice(i, l);
                  this.$screenRowCache.splice(i, l);
              }
          };
  
          this.$getRowCacheIndex = function (cacheArray, val) {
              var low = 0;
              var hi = cacheArray.length - 1;
  
              while (low <= hi) {
                  var mid = (low + hi) >> 1;
                  var c = cacheArray[mid];
  
                  if (val > c)
                      low = mid + 1;
                  else if (val < c)
                      hi = mid - 1;
                  else
                      return mid;
              }
  
              return low - 1;
          };
  
          this.resetCaches = function () {
              this.$modified = true;
              this.$wrapData = [];
              this.$rowLengthCache = [];
              this.$resetRowCache(0);
              if (this.bgTokenizer)
                  this.bgTokenizer.start(0);
          };
  
          this.onChangeFold = function (e) {
              var fold = e.data;
              this.$resetRowCache(fold.start.row);
          };
  
          this.onChange = function (delta) {
              this.$modified = true;
              this.$bidiHandler.onChange(delta);
              this.$resetRowCache(delta.start.row);
  
              var removedFolds = this.$updateInternalDataOnChange(delta);
              if (!this.$fromUndo && this.$undoManager) {
                  if (removedFolds && removedFolds.length) {
                      this.$undoManager.add({
                          action: "removeFolds",
                          folds: removedFolds
                      }, this.mergeUndoDeltas);
                      this.mergeUndoDeltas = true;
                  }
                  this.$undoManager.add(delta, this.mergeUndoDeltas);
                  this.mergeUndoDeltas = true;
  
                  this.$informUndoManager.schedule();
              }
  
              this.bgTokenizer && this.bgTokenizer.$updateOnChange(delta);
              this._signal("change", delta);
          };
          this.setValue = function (text) {
              this.doc.setValue(text);
              this.selection.moveTo(0, 0);
  
              this.$resetRowCache(0);
              this.setUndoManager(this.$undoManager);
              this.getUndoManager().reset();
          };
          this.getValue =
              this.toString = function () {
                  return this.doc.getValue();
              };
          this.getSelection = function () {
              return this.selection;
          };
          this.getState = function (row) {
              return this.bgTokenizer.getState(row);
          };
          this.getTokens = function (row) {
              return this.bgTokenizer.getTokens(row);
          };
          this.getTokenAt = function (row, column) {
              var tokens = this.bgTokenizer.getTokens(row);
              var token, c = 0;
              if (column == null) {
                  var i = tokens.length - 1;
                  c = this.getLine(row).length;
              } else {
                  for (var i = 0; i < tokens.length; i++) {
                      c += tokens[i].value.length;
                      if (c >= column)
                          break;
                  }
              }
              token = tokens[i];
              if (!token)
                  return null;
              token.index = i;
              token.start = c - token.value.length;
              return token;
          };
          this.setUndoManager = function (undoManager) {
              this.$undoManager = undoManager;
  
              if (this.$informUndoManager)
                  this.$informUndoManager.cancel();
  
              if (undoManager) {
                  var self = this;
                  undoManager.addSession(this);
                  this.$syncInformUndoManager = function () {
                      self.$informUndoManager.cancel();
                      self.mergeUndoDeltas = false;
                  };
                  this.$informUndoManager = lang.delayedCall(this.$syncInformUndoManager);
              } else {
                  this.$syncInformUndoManager = function () {};
              }
          };
          this.markUndoGroup = function () {
              if (this.$syncInformUndoManager)
                  this.$syncInformUndoManager();
          };
  
          this.$defaultUndoManager = {
              undo: function () {},
              redo: function () {},
              hasUndo: function () {},
              hasRedo: function () {},
              reset: function () {},
              add: function () {},
              addSelection: function () {},
              startNewGroup: function () {},
              addSession: function () {}
          };
          this.getUndoManager = function () {
              return this.$undoManager || this.$defaultUndoManager;
          };
          this.getTabString = function () {
              if (this.getUseSoftTabs()) {
                  return lang.stringRepeat(" ", this.getTabSize());
              } else {
                  return "\t";
              }
          };
          this.setUseSoftTabs = function (val) {
              this.setOption("useSoftTabs", val);
          };
          this.getUseSoftTabs = function () {
              return this.$useSoftTabs && !this.$mode.$indentWithTabs;
          };
          this.setTabSize = function (tabSize) {
              this.setOption("tabSize", tabSize);
          };
          this.getTabSize = function () {
              return this.$tabSize;
          };
          this.isTabStop = function (position) {
              return this.$useSoftTabs && (position.column % this.$tabSize === 0);
          };
          this.setNavigateWithinSoftTabs = function (navigateWithinSoftTabs) {
              this.setOption("navigateWithinSoftTabs", navigateWithinSoftTabs);
          };
          this.getNavigateWithinSoftTabs = function () {
              return this.$navigateWithinSoftTabs;
          };
  
          this.$overwrite = false;
          this.setOverwrite = function (overwrite) {
              this.setOption("overwrite", overwrite);
          };
          this.getOverwrite = function () {
              return this.$overwrite;
          };
          this.toggleOverwrite = function () {
              this.setOverwrite(!this.$overwrite);
          };
          this.addGutterDecoration = function (row, className) {
              if (!this.$decorations[row])
                  this.$decorations[row] = "";
              this.$decorations[row] += " " + className;
              this._signal("changeBreakpoint", {});
          };
          this.removeGutterDecoration = function (row, className) {
              this.$decorations[row] = (this.$decorations[row] || "").replace(" " + className, "");
              this._signal("changeBreakpoint", {});
          };
          this.getBreakpoints = function () {
              return this.$breakpoints;
          };
          this.setBreakpoints = function (rows) {
              this.$breakpoints = [];
              for (var i = 0; i < rows.length; i++) {
                  this.$breakpoints[rows[i]] = "ace_breakpoint";
              }
              this._signal("changeBreakpoint", {});
          };
          this.clearBreakpoints = function () {
              this.$breakpoints = [];
              this._signal("changeBreakpoint", {});
          };
          this.setBreakpoint = function (row, className) {
              if (className === undefined)
                  className = "ace_breakpoint";
              if (className)
                  this.$breakpoints[row] = className;
              else
                  delete this.$breakpoints[row];
              this._signal("changeBreakpoint", {});
          };
          this.clearBreakpoint = function (row) {
              delete this.$breakpoints[row];
              this._signal("changeBreakpoint", {});
          };
          this.addMarker = function (range, clazz, type, inFront) {
              var id = this.$markerId++;
  
              var marker = {
                  range: range,
                  type: type || "line",
                  renderer: typeof type == "function" ? type : null,
                  clazz: clazz,
                  inFront: !!inFront,
                  id: id
              };
  
              if (inFront) {
                  this.$frontMarkers[id] = marker;
                  this._signal("changeFrontMarker");
              } else {
                  this.$backMarkers[id] = marker;
                  this._signal("changeBackMarker");
              }
  
              return id;
          };
          this.addDynamicMarker = function (marker, inFront) {
              if (!marker.update)
                  return;
              var id = this.$markerId++;
              marker.id = id;
              marker.inFront = !!inFront;
  
              if (inFront) {
                  this.$frontMarkers[id] = marker;
                  this._signal("changeFrontMarker");
              } else {
                  this.$backMarkers[id] = marker;
                  this._signal("changeBackMarker");
              }
  
              return marker;
          };
          this.removeMarker = function (markerId) {
              var marker = this.$frontMarkers[markerId] || this.$backMarkers[markerId];
              if (!marker)
                  return;
  
              var markers = marker.inFront ? this.$frontMarkers : this.$backMarkers;
              delete(markers[markerId]);
              this._signal(marker.inFront ? "changeFrontMarker" : "changeBackMarker");
          };
          this.getMarkers = function (inFront) {
              return inFront ? this.$frontMarkers : this.$backMarkers;
          };
  
          this.highlight = function (re) {
              if (!this.$searchHighlight) {
                  var highlight = new SearchHighlight(null, "ace_selected-word", "text");
                  this.$searchHighlight = this.addDynamicMarker(highlight);
              }
              this.$searchHighlight.setRegexp(re);
          };
          this.highlightLines = function (startRow, endRow, clazz, inFront) {
              if (typeof endRow != "number") {
                  clazz = endRow;
                  endRow = startRow;
              }
              if (!clazz)
                  clazz = "ace_step";
  
              var range = new Range(startRow, 0, endRow, Infinity);
              range.id = this.addMarker(range, clazz, "fullLine", inFront);
              return range;
          };
          this.setAnnotations = function (annotations) {
              this.$annotations = annotations;
              this._signal("changeAnnotation", {});
          };
          this.getAnnotations = function () {
              return this.$annotations || [];
          };
          this.clearAnnotations = function () {
              this.setAnnotations([]);
          };
          this.$detectNewLine = function (text) {
              var match = text.match(/^.*?(\r?\n)/m);
              if (match) {
                  this.$autoNewLine = match[1];
              } else {
                  this.$autoNewLine = "\n";
              }
          };
          this.getWordRange = function (row, column) {
              var line = this.getLine(row);
  
              var inToken = false;
              if (column > 0)
                  inToken = !!line.charAt(column - 1).match(this.tokenRe);
  
              if (!inToken)
                  inToken = !!line.charAt(column).match(this.tokenRe);
  
              if (inToken)
                  var re = this.tokenRe;
              else if (/^\s+$/.test(line.slice(column - 1, column + 1)))
                  var re = /\s/;
              else
                  var re = this.nonTokenRe;
  
              var start = column;
              if (start > 0) {
                  do {
                      start--;
                  }
                  while (start >= 0 && line.charAt(start).match(re));
                  start++;
              }
  
              var end = column;
              while (end < line.length && line.charAt(end).match(re)) {
                  end++;
              }
  
              return new Range(row, start, row, end);
          };
          this.getAWordRange = function (row, column) {
              var wordRange = this.getWordRange(row, column);
              var line = this.getLine(wordRange.end.row);
  
              while (line.charAt(wordRange.end.column).match(/[ \t]/)) {
                  wordRange.end.column += 1;
              }
              return wordRange;
          };
          this.setNewLineMode = function (newLineMode) {
              this.doc.setNewLineMode(newLineMode);
          };
          this.getNewLineMode = function () {
              return this.doc.getNewLineMode();
          };
          this.setUseWorker = function (useWorker) {
              this.setOption("useWorker", useWorker);
          };
          this.getUseWorker = function () {
              return this.$useWorker;
          };
          this.onReloadTokenizer = function (e) {
              var rows = e.data;
              this.bgTokenizer.start(rows.first);
              this._signal("tokenizerUpdate", e);
          };
  
          this.$modes = config.$modes;
          this.$mode = null;
          this.$modeId = null;
          this.setMode = function (mode, cb) {
              if (mode && typeof mode === "object") {
                  if (mode.getTokenizer)
                      return this.$onChangeMode(mode);
                  var options = mode;
                  var path = options.path;
              } else {
                  path = mode || "ace/mode/text";
              }
              if (!this.$modes["ace/mode/text"])
                  this.$modes["ace/mode/text"] = new TextMode();
  
              if (this.$modes[path] && !options) {
                  this.$onChangeMode(this.$modes[path]);
                  cb && cb();
                  return;
              }
              this.$modeId = path;
              config.loadModule(["mode", path], function (m) {
                  if (this.$modeId !== path)
                      return cb && cb();
                  if (this.$modes[path] && !options) {
                      this.$onChangeMode(this.$modes[path]);
                  } else if (m && m.Mode) {
                      m = new m.Mode(options);
                      if (!options) {
                          this.$modes[path] = m;
                          m.$id = path;
                      }
                      this.$onChangeMode(m);
                  }
                  cb && cb();
              }.bind(this));
              if (!this.$mode)
                  this.$onChangeMode(this.$modes["ace/mode/text"], true);
          };
  
          this.$onChangeMode = function (mode, $isPlaceholder) {
              if (!$isPlaceholder)
                  this.$modeId = mode.$id;
              if (this.$mode === mode)
                  return;
  
              var oldMode = this.$mode;
              this.$mode = mode;
  
              this.$stopWorker();
  
              if (this.$useWorker)
                  this.$startWorker();
  
              var tokenizer = mode.getTokenizer();
  
              if (tokenizer.on !== undefined) {
                  var onReloadTokenizer = this.onReloadTokenizer.bind(this);
                  tokenizer.on("update", onReloadTokenizer);
              }
  
              if (!this.bgTokenizer) {
                  this.bgTokenizer = new BackgroundTokenizer(tokenizer);
                  var _self = this;
                  this.bgTokenizer.on("update", function (e) {
                      _self._signal("tokenizerUpdate", e);
                  });
              } else {
                  this.bgTokenizer.setTokenizer(tokenizer);
              }
  
              this.bgTokenizer.setDocument(this.getDocument());
  
              this.tokenRe = mode.tokenRe;
              this.nonTokenRe = mode.nonTokenRe;
  
  
              if (!$isPlaceholder) {
                  if (mode.attachToSession)
                      mode.attachToSession(this);
                  this.$options.wrapMethod.set.call(this, this.$wrapMethod);
                  this.$setFolding(mode.foldingRules);
                  this.bgTokenizer.start(0);
                  this._emit("changeMode", {
                      oldMode: oldMode,
                      mode: mode
                  });
              }
          };
  
          this.$stopWorker = function () {
              if (this.$worker) {
                  this.$worker.terminate();
                  this.$worker = null;
              }
          };
  
          this.$startWorker = function () {
              try {
                  this.$worker = this.$mode.createWorker(this);
              } catch (e) {
                  config.warn("Could not load worker", e);
                  this.$worker = null;
              }
          };
          this.getMode = function () {
              return this.$mode;
          };
  
          this.$scrollTop = 0;
          this.setScrollTop = function (scrollTop) {
              if (this.$scrollTop === scrollTop || isNaN(scrollTop))
                  return;
  
              this.$scrollTop = scrollTop;
              this._signal("changeScrollTop", scrollTop);
          };
          this.getScrollTop = function () {
              return this.$scrollTop;
          };
  
          this.$scrollLeft = 0;
          this.setScrollLeft = function (scrollLeft) {
              if (this.$scrollLeft === scrollLeft || isNaN(scrollLeft))
                  return;
  
              this.$scrollLeft = scrollLeft;
              this._signal("changeScrollLeft", scrollLeft);
          };
          this.getScrollLeft = function () {
              return this.$scrollLeft;
          };
          this.getScreenWidth = function () {
              this.$computeWidth();
              if (this.lineWidgets)
                  return Math.max(this.getLineWidgetMaxWidth(), this.screenWidth);
              return this.screenWidth;
          };
  
          this.getLineWidgetMaxWidth = function () {
              if (this.lineWidgetsWidth != null) return this.lineWidgetsWidth;
              var width = 0;
              this.lineWidgets.forEach(function (w) {
                  if (w && w.screenWidth > width)
                      width = w.screenWidth;
              });
              return this.lineWidgetWidth = width;
          };
  
          this.$computeWidth = function (force) {
              if (this.$modified || force) {
                  this.$modified = false;
  
                  if (this.$useWrapMode)
                      return this.screenWidth = this.$wrapLimit;
  
                  var lines = this.doc.getAllLines();
                  var cache = this.$rowLengthCache;
                  var longestScreenLine = 0;
                  var foldIndex = 0;
                  var foldLine = this.$foldData[foldIndex];
                  var foldStart = foldLine ? foldLine.start.row : Infinity;
                  var len = lines.length;
  
                  for (var i = 0; i < len; i++) {
                      if (i > foldStart) {
                          i = foldLine.end.row + 1;
                          if (i >= len)
                              break;
                          foldLine = this.$foldData[foldIndex++];
                          foldStart = foldLine ? foldLine.start.row : Infinity;
                      }
  
                      if (cache[i] == null)
                          cache[i] = this.$getStringScreenWidth(lines[i])[0];
  
                      if (cache[i] > longestScreenLine)
                          longestScreenLine = cache[i];
                  }
                  this.screenWidth = longestScreenLine;
              }
          };
          this.getLine = function (row) {
              return this.doc.getLine(row);
          };
          this.getLines = function (firstRow, lastRow) {
              return this.doc.getLines(firstRow, lastRow);
          };
          this.getLength = function () {
              return this.doc.getLength();
          };
          this.getTextRange = function (range) {
              return this.doc.getTextRange(range || this.selection.getRange());
          };
          this.insert = function (position, text) {
              return this.doc.insert(position, text);
          };
          this.remove = function (range) {
              return this.doc.remove(range);
          };
          this.removeFullLines = function (firstRow, lastRow) {
              return this.doc.removeFullLines(firstRow, lastRow);
          };
          this.undoChanges = function (deltas, dontSelect) {
              if (!deltas.length)
                  return;
  
              this.$fromUndo = true;
              for (var i = deltas.length - 1; i != -1; i--) {
                  var delta = deltas[i];
                  if (delta.action == "insert" || delta.action == "remove") {
                      this.doc.revertDelta(delta);
                  } else if (delta.folds) {
                      this.addFolds(delta.folds);
                  }
              }
              if (!dontSelect && this.$undoSelect) {
                  if (deltas.selectionBefore)
                      this.selection.fromJSON(deltas.selectionBefore);
                  else
                      this.selection.setRange(this.$getUndoSelection(deltas, true));
              }
              this.$fromUndo = false;
          };
          this.redoChanges = function (deltas, dontSelect) {
              if (!deltas.length)
                  return;
  
              this.$fromUndo = true;
              for (var i = 0; i < deltas.length; i++) {
                  var delta = deltas[i];
                  if (delta.action == "insert" || delta.action == "remove") {
                      this.doc.$safeApplyDelta(delta);
                  }
              }
  
              if (!dontSelect && this.$undoSelect) {
                  if (deltas.selectionAfter)
                      this.selection.fromJSON(deltas.selectionAfter);
                  else
                      this.selection.setRange(this.$getUndoSelection(deltas, false));
              }
              this.$fromUndo = false;
          };
          this.setUndoSelect = function (enable) {
              this.$undoSelect = enable;
          };
  
          this.$getUndoSelection = function (deltas, isUndo) {
              function isInsert(delta) {
                  return isUndo ? delta.action !== "insert" : delta.action === "insert";
              }
  
              var range, point;
  
              for (var i = 0; i < deltas.length; i++) {
                  var delta = deltas[i];
                  if (!delta.start) continue; // skip folds
                  if (!range) {
                      if (isInsert(delta)) {
                          range = Range.fromPoints(delta.start, delta.end);
                      } else {
                          range = Range.fromPoints(delta.start, delta.start);
                      }
                      continue;
                  }
  
                  if (isInsert(delta)) {
                      point = delta.start;
                      if (range.compare(point.row, point.column) == -1) {
                          range.setStart(point);
                      }
                      point = delta.end;
                      if (range.compare(point.row, point.column) == 1) {
                          range.setEnd(point);
                      }
                  } else {
                      point = delta.start;
                      if (range.compare(point.row, point.column) == -1) {
                          range = Range.fromPoints(delta.start, delta.start);
                      }
                  }
              }
              return range;
          };
          this.replace = function (range, text) {
              return this.doc.replace(range, text);
          };
          this.moveText = function (fromRange, toPosition, copy) {
              var text = this.getTextRange(fromRange);
              var folds = this.getFoldsInRange(fromRange);
  
              var toRange = Range.fromPoints(toPosition, toPosition);
              if (!copy) {
                  this.remove(fromRange);
                  var rowDiff = fromRange.start.row - fromRange.end.row;
                  var collDiff = rowDiff ? -fromRange.end.column : fromRange.start.column - fromRange.end.column;
                  if (collDiff) {
                      if (toRange.start.row == fromRange.end.row && toRange.start.column > fromRange.end.column)
                          toRange.start.column += collDiff;
                      if (toRange.end.row == fromRange.end.row && toRange.end.column > fromRange.end.column)
                          toRange.end.column += collDiff;
                  }
                  if (rowDiff && toRange.start.row >= fromRange.end.row) {
                      toRange.start.row += rowDiff;
                      toRange.end.row += rowDiff;
                  }
              }
  
              toRange.end = this.insert(toRange.start, text);
              if (folds.length) {
                  var oldStart = fromRange.start;
                  var newStart = toRange.start;
                  var rowDiff = newStart.row - oldStart.row;
                  var collDiff = newStart.column - oldStart.column;
                  this.addFolds(folds.map(function (x) {
                      x = x.clone();
                      if (x.start.row == oldStart.row)
                          x.start.column += collDiff;
                      if (x.end.row == oldStart.row)
                          x.end.column += collDiff;
                      x.start.row += rowDiff;
                      x.end.row += rowDiff;
                      return x;
                  }));
              }
  
              return toRange;
          };
          this.indentRows = function (startRow, endRow, indentString) {
              indentString = indentString.replace(/\t/g, this.getTabString());
              for (var row = startRow; row <= endRow; row++)
                  this.doc.insertInLine({
                      row: row,
                      column: 0
                  }, indentString);
          };
          this.outdentRows = function (range) {
              var rowRange = range.collapseRows();
              var deleteRange = new Range(0, 0, 0, 0);
              var size = this.getTabSize();
  
              for (var i = rowRange.start.row; i <= rowRange.end.row; ++i) {
                  var line = this.getLine(i);
  
                  deleteRange.start.row = i;
                  deleteRange.end.row = i;
                  for (var j = 0; j < size; ++j)
                      if (line.charAt(j) != ' ')
                          break;
                  if (j < size && line.charAt(j) == '\t') {
                      deleteRange.start.column = j;
                      deleteRange.end.column = j + 1;
                  } else {
                      deleteRange.start.column = 0;
                      deleteRange.end.column = j;
                  }
                  this.remove(deleteRange);
              }
          };
  
          this.$moveLines = function (firstRow, lastRow, dir) {
              firstRow = this.getRowFoldStart(firstRow);
              lastRow = this.getRowFoldEnd(lastRow);
              if (dir < 0) {
                  var row = this.getRowFoldStart(firstRow + dir);
                  if (row < 0) return 0;
                  var diff = row - firstRow;
              } else if (dir > 0) {
                  var row = this.getRowFoldEnd(lastRow + dir);
                  if (row > this.doc.getLength() - 1) return 0;
                  var diff = row - lastRow;
              } else {
                  firstRow = this.$clipRowToDocument(firstRow);
                  lastRow = this.$clipRowToDocument(lastRow);
                  var diff = lastRow - firstRow + 1;
              }
  
              var range = new Range(firstRow, 0, lastRow, Number.MAX_VALUE);
              var folds = this.getFoldsInRange(range).map(function (x) {
                  x = x.clone();
                  x.start.row += diff;
                  x.end.row += diff;
                  return x;
              });
  
              var lines = dir == 0 ?
                  this.doc.getLines(firstRow, lastRow) :
                  this.doc.removeFullLines(firstRow, lastRow);
              this.doc.insertFullLines(firstRow + diff, lines);
              folds.length && this.addFolds(folds);
              return diff;
          };
          this.moveLinesUp = function (firstRow, lastRow) {
              return this.$moveLines(firstRow, lastRow, -1);
          };
          this.moveLinesDown = function (firstRow, lastRow) {
              return this.$moveLines(firstRow, lastRow, 1);
          };
          this.duplicateLines = function (firstRow, lastRow) {
              return this.$moveLines(firstRow, lastRow, 0);
          };
  
  
          this.$clipRowToDocument = function (row) {
              return Math.max(0, Math.min(row, this.doc.getLength() - 1));
          };
  
          this.$clipColumnToRow = function (row, column) {
              if (column < 0)
                  return 0;
              return Math.min(this.doc.getLine(row).length, column);
          };
  
  
          this.$clipPositionToDocument = function (row, column) {
              column = Math.max(0, column);
  
              if (row < 0) {
                  row = 0;
                  column = 0;
              } else {
                  var len = this.doc.getLength();
                  if (row >= len) {
                      row = len - 1;
                      column = this.doc.getLine(len - 1).length;
                  } else {
                      column = Math.min(this.doc.getLine(row).length, column);
                  }
              }
  
              return {
                  row: row,
                  column: column
              };
          };
  
          this.$clipRangeToDocument = function (range) {
              if (range.start.row < 0) {
                  range.start.row = 0;
                  range.start.column = 0;
              } else {
                  range.start.column = this.$clipColumnToRow(
                      range.start.row,
                      range.start.column
                  );
              }
  
              var len = this.doc.getLength() - 1;
              if (range.end.row > len) {
                  range.end.row = len;
                  range.end.column = this.doc.getLine(len).length;
              } else {
                  range.end.column = this.$clipColumnToRow(
                      range.end.row,
                      range.end.column
                  );
              }
              return range;
          };
          this.$wrapLimit = 80;
          this.$useWrapMode = false;
          this.$wrapLimitRange = {
              min: null,
              max: null
          };
          this.setUseWrapMode = function (useWrapMode) {
              if (useWrapMode != this.$useWrapMode) {
                  this.$useWrapMode = useWrapMode;
                  this.$modified = true;
                  this.$resetRowCache(0);
                  if (useWrapMode) {
                      var len = this.getLength();
                      this.$wrapData = Array(len);
                      this.$updateWrapData(0, len - 1);
                  }
  
                  this._signal("changeWrapMode");
              }
          };
          this.getUseWrapMode = function () {
              return this.$useWrapMode;
          };
          this.setWrapLimitRange = function (min, max) {
              if (this.$wrapLimitRange.min !== min || this.$wrapLimitRange.max !== max) {
                  this.$wrapLimitRange = {
                      min: min,
                      max: max
                  };
                  this.$modified = true;
                  this.$bidiHandler.markAsDirty();
                  if (this.$useWrapMode)
                      this._signal("changeWrapMode");
              }
          };
          this.adjustWrapLimit = function (desiredLimit, $printMargin) {
              var limits = this.$wrapLimitRange;
              if (limits.max < 0)
                  limits = {
                      min: $printMargin,
                      max: $printMargin
                  };
              var wrapLimit = this.$constrainWrapLimit(desiredLimit, limits.min, limits.max);
              if (wrapLimit != this.$wrapLimit && wrapLimit > 1) {
                  this.$wrapLimit = wrapLimit;
                  this.$modified = true;
                  if (this.$useWrapMode) {
                      this.$updateWrapData(0, this.getLength() - 1);
                      this.$resetRowCache(0);
                      this._signal("changeWrapLimit");
                  }
                  return true;
              }
              return false;
          };
  
          this.$constrainWrapLimit = function (wrapLimit, min, max) {
              if (min)
                  wrapLimit = Math.max(min, wrapLimit);
  
              if (max)
                  wrapLimit = Math.min(max, wrapLimit);
  
              return wrapLimit;
          };
          this.getWrapLimit = function () {
              return this.$wrapLimit;
          };
          this.setWrapLimit = function (limit) {
              this.setWrapLimitRange(limit, limit);
          };
          this.getWrapLimitRange = function () {
              return {
                  min: this.$wrapLimitRange.min,
                  max: this.$wrapLimitRange.max
              };
          };
  
          this.$updateInternalDataOnChange = function (delta) {
              var useWrapMode = this.$useWrapMode;
              var action = delta.action;
              var start = delta.start;
              var end = delta.end;
              var firstRow = start.row;
              var lastRow = end.row;
              var len = lastRow - firstRow;
              var removedFolds = null;
  
              this.$updating = true;
              if (len != 0) {
                  if (action === "remove") {
                      this[useWrapMode ? "$wrapData" : "$rowLengthCache"].splice(firstRow, len);
  
                      var foldLines = this.$foldData;
                      removedFolds = this.getFoldsInRange(delta);
                      this.removeFolds(removedFolds);
  
                      var foldLine = this.getFoldLine(end.row);
                      var idx = 0;
                      if (foldLine) {
                          foldLine.addRemoveChars(end.row, end.column, start.column - end.column);
                          foldLine.shiftRow(-len);
  
                          var foldLineBefore = this.getFoldLine(firstRow);
                          if (foldLineBefore && foldLineBefore !== foldLine) {
                              foldLineBefore.merge(foldLine);
                              foldLine = foldLineBefore;
                          }
                          idx = foldLines.indexOf(foldLine) + 1;
                      }
  
                      for (idx; idx < foldLines.length; idx++) {
                          var foldLine = foldLines[idx];
                          if (foldLine.start.row >= end.row) {
                              foldLine.shiftRow(-len);
                          }
                      }
  
                      lastRow = firstRow;
                  } else {
                      var args = Array(len);
                      args.unshift(firstRow, 0);
                      var arr = useWrapMode ? this.$wrapData : this.$rowLengthCache;
                      arr.splice.apply(arr, args);
                      var foldLines = this.$foldData;
                      var foldLine = this.getFoldLine(firstRow);
                      var idx = 0;
                      if (foldLine) {
                          var cmp = foldLine.range.compareInside(start.row, start.column);
                          if (cmp == 0) {
                              foldLine = foldLine.split(start.row, start.column);
                              if (foldLine) {
                                  foldLine.shiftRow(len);
                                  foldLine.addRemoveChars(lastRow, 0, end.column - start.column);
                              }
                          } else
                          if (cmp == -1) {
                              foldLine.addRemoveChars(firstRow, 0, end.column - start.column);
                              foldLine.shiftRow(len);
                          }
                          idx = foldLines.indexOf(foldLine) + 1;
                      }
  
                      for (idx; idx < foldLines.length; idx++) {
                          var foldLine = foldLines[idx];
                          if (foldLine.start.row >= firstRow) {
                              foldLine.shiftRow(len);
                          }
                      }
                  }
              } else {
                  len = Math.abs(delta.start.column - delta.end.column);
                  if (action === "remove") {
                      removedFolds = this.getFoldsInRange(delta);
                      this.removeFolds(removedFolds);
  
                      len = -len;
                  }
                  var foldLine = this.getFoldLine(firstRow);
                  if (foldLine) {
                      foldLine.addRemoveChars(firstRow, start.column, len);
                  }
              }
  
              if (useWrapMode && this.$wrapData.length != this.doc.getLength()) {
                  console.error("doc.getLength() and $wrapData.length have to be the same!");
              }
              this.$updating = false;
  
              if (useWrapMode)
                  this.$updateWrapData(firstRow, lastRow);
              else
                  this.$updateRowLengthCache(firstRow, lastRow);
  
              return removedFolds;
          };
  
          this.$updateRowLengthCache = function (firstRow, lastRow, b) {
              this.$rowLengthCache[firstRow] = null;
              this.$rowLengthCache[lastRow] = null;
          };
  
          this.$updateWrapData = function (firstRow, lastRow) {
              var lines = this.doc.getAllLines();
              var tabSize = this.getTabSize();
              var wrapData = this.$wrapData;
              var wrapLimit = this.$wrapLimit;
              var tokens;
              var foldLine;
  
              var row = firstRow;
              lastRow = Math.min(lastRow, lines.length - 1);
              while (row <= lastRow) {
                  foldLine = this.getFoldLine(row, foldLine);
                  if (!foldLine) {
                      tokens = this.$getDisplayTokens(lines[row]);
                      wrapData[row] = this.$computeWrapSplits(tokens, wrapLimit, tabSize);
                      row++;
                  } else {
                      tokens = [];
                      foldLine.walk(function (placeholder, row, column, lastColumn) {
                              var walkTokens;
                              if (placeholder != null) {
                                  walkTokens = this.$getDisplayTokens(
                                      placeholder, tokens.length);
                                  walkTokens[0] = PLACEHOLDER_START;
                                  for (var i = 1; i < walkTokens.length; i++) {
                                      walkTokens[i] = PLACEHOLDER_BODY;
                                  }
                              } else {
                                  walkTokens = this.$getDisplayTokens(
                                      lines[row].substring(lastColumn, column),
                                      tokens.length);
                              }
                              tokens = tokens.concat(walkTokens);
                          }.bind(this),
                          foldLine.end.row,
                          lines[foldLine.end.row].length + 1
                      );
  
                      wrapData[foldLine.start.row] = this.$computeWrapSplits(tokens, wrapLimit, tabSize);
                      row = foldLine.end.row + 1;
                  }
              }
          };
          var CHAR = 1,
              CHAR_EXT = 2,
              PLACEHOLDER_START = 3,
              PLACEHOLDER_BODY = 4,
              PUNCTUATION = 9,
              SPACE = 10,
              TAB = 11,
              TAB_SPACE = 12;
  
  
          this.$computeWrapSplits = function (tokens, wrapLimit, tabSize) {
              if (tokens.length == 0) {
                  return [];
              }
  
              var splits = [];
              var displayLength = tokens.length;
              var lastSplit = 0,
                  lastDocSplit = 0;
  
              var isCode = this.$wrapAsCode;
  
              var indentedSoftWrap = this.$indentedSoftWrap;
              var maxIndent = wrapLimit <= Math.max(2 * tabSize, 8) ||
                  indentedSoftWrap === false ? 0 : Math.floor(wrapLimit / 2);
  
              function getWrapIndent() {
                  var indentation = 0;
                  if (maxIndent === 0)
                      return indentation;
                  if (indentedSoftWrap) {
                      for (var i = 0; i < tokens.length; i++) {
                          var token = tokens[i];
                          if (token == SPACE)
                              indentation += 1;
                          else if (token == TAB)
                              indentation += tabSize;
                          else if (token == TAB_SPACE)
                              continue;
                          else
                              break;
                      }
                  }
                  if (isCode && indentedSoftWrap !== false)
                      indentation += tabSize;
                  return Math.min(indentation, maxIndent);
              }
  
              function addSplit(screenPos) {
                  var len = screenPos - lastSplit;
                  for (var i = lastSplit; i < screenPos; i++) {
                      var ch = tokens[i];
                      if (ch === 12 || ch === 2) len -= 1;
                  }
  
                  if (!splits.length) {
                      indent = getWrapIndent();
                      splits.indent = indent;
                  }
                  lastDocSplit += len;
                  splits.push(lastDocSplit);
                  lastSplit = screenPos;
              }
              var indent = 0;
              while (displayLength - lastSplit > wrapLimit - indent) {
                  var split = lastSplit + wrapLimit - indent;
                  if (tokens[split - 1] >= SPACE && tokens[split] >= SPACE) {
                      addSplit(split);
                      continue;
                  }
                  if (tokens[split] == PLACEHOLDER_START || tokens[split] == PLACEHOLDER_BODY) {
                      for (split; split != lastSplit - 1; split--) {
                          if (tokens[split] == PLACEHOLDER_START) {
                              break;
                          }
                      }
                      if (split > lastSplit) {
                          addSplit(split);
                          continue;
                      }
                      split = lastSplit + wrapLimit;
                      for (split; split < tokens.length; split++) {
                          if (tokens[split] != PLACEHOLDER_BODY) {
                              break;
                          }
                      }
                      if (split == tokens.length) {
                          break; // Breaks the while-loop.
                      }
                      addSplit(split);
                      continue;
                  }
                  var minSplit = Math.max(split - (wrapLimit - (wrapLimit >> 2)), lastSplit - 1);
                  while (split > minSplit && tokens[split] < PLACEHOLDER_START) {
                      split--;
                  }
                  if (isCode) {
                      while (split > minSplit && tokens[split] < PLACEHOLDER_START) {
                          split--;
                      }
                      while (split > minSplit && tokens[split] == PUNCTUATION) {
                          split--;
                      }
                  } else {
                      while (split > minSplit && tokens[split] < SPACE) {
                          split--;
                      }
                  }
                  if (split > minSplit) {
                      addSplit(++split);
                      continue;
                  }
                  split = lastSplit + wrapLimit;
                  if (tokens[split] == CHAR_EXT)
                      split--;
                  addSplit(split - indent);
              }
              return splits;
          };
          this.$getDisplayTokens = function (str, offset) {
              var arr = [];
              var tabSize;
              offset = offset || 0;
  
              for (var i = 0; i < str.length; i++) {
                  var c = str.charCodeAt(i);
                  if (c == 9) {
                      tabSize = this.getScreenTabSize(arr.length + offset);
                      arr.push(TAB);
                      for (var n = 1; n < tabSize; n++) {
                          arr.push(TAB_SPACE);
                      }
                  } else if (c == 32) {
                      arr.push(SPACE);
                  } else if ((c > 39 && c < 48) || (c > 57 && c < 64)) {
                      arr.push(PUNCTUATION);
                  } else if (c >= 0x1100 && isFullWidth(c)) {
                      arr.push(CHAR, CHAR_EXT);
                  } else {
                      arr.push(CHAR);
                  }
              }
              return arr;
          };
          this.$getStringScreenWidth = function (str, maxScreenColumn, screenColumn) {
              if (maxScreenColumn == 0)
                  return [0, 0];
              if (maxScreenColumn == null)
                  maxScreenColumn = Infinity;
              screenColumn = screenColumn || 0;
  
              var c, column;
              for (column = 0; column < str.length; column++) {
                  c = str.charCodeAt(column);
                  if (c == 9) {
                      screenColumn += this.getScreenTabSize(screenColumn);
                  } else if (c >= 0x1100 && isFullWidth(c)) {
                      screenColumn += 2;
                  } else {
                      screenColumn += 1;
                  }
                  if (screenColumn > maxScreenColumn) {
                      break;
                  }
              }
  
              return [screenColumn, column];
          };
  
          this.lineWidgets = null;
          this.getRowLength = function (row) {
              var h = 1;
              if (this.lineWidgets)
                  h += this.lineWidgets[row] && this.lineWidgets[row].rowCount || 0;
  
              if (!this.$useWrapMode || !this.$wrapData[row])
                  return h;
              else
                  return this.$wrapData[row].length + h;
          };
          this.getRowLineCount = function (row) {
              if (!this.$useWrapMode || !this.$wrapData[row]) {
                  return 1;
              } else {
                  return this.$wrapData[row].length + 1;
              }
          };
  
          this.getRowWrapIndent = function (screenRow) {
              if (this.$useWrapMode) {
                  var pos = this.screenToDocumentPosition(screenRow, Number.MAX_VALUE);
                  var splits = this.$wrapData[pos.row];
                  return splits.length && splits[0] < pos.column ? splits.indent : 0;
              } else {
                  return 0;
              }
          };
          this.getScreenLastRowColumn = function (screenRow) {
              var pos = this.screenToDocumentPosition(screenRow, Number.MAX_VALUE);
              return this.documentToScreenColumn(pos.row, pos.column);
          };
          this.getDocumentLastRowColumn = function (docRow, docColumn) {
              var screenRow = this.documentToScreenRow(docRow, docColumn);
              return this.getScreenLastRowColumn(screenRow);
          };
          this.getDocumentLastRowColumnPosition = function (docRow, docColumn) {
              var screenRow = this.documentToScreenRow(docRow, docColumn);
              return this.screenToDocumentPosition(screenRow, Number.MAX_VALUE / 10);
          };
          this.getRowSplitData = function (row) {
              if (!this.$useWrapMode) {
                  return undefined;
              } else {
                  return this.$wrapData[row];
              }
          };
          this.getScreenTabSize = function (screenColumn) {
              return this.$tabSize - (screenColumn % this.$tabSize | 0);
          };
  
  
          this.screenToDocumentRow = function (screenRow, screenColumn) {
              return this.screenToDocumentPosition(screenRow, screenColumn).row;
          };
  
  
          this.screenToDocumentColumn = function (screenRow, screenColumn) {
              return this.screenToDocumentPosition(screenRow, screenColumn).column;
          };
          this.screenToDocumentPosition = function (screenRow, screenColumn, offsetX) {
              if (screenRow < 0)
                  return {
                      row: 0,
                      column: 0
                  };
  
              var line;
              var docRow = 0;
              var docColumn = 0;
              var column;
              var row = 0;
              var rowLength = 0;
  
              var rowCache = this.$screenRowCache;
              var i = this.$getRowCacheIndex(rowCache, screenRow);
              var l = rowCache.length;
              if (l && i >= 0) {
                  var row = rowCache[i];
                  var docRow = this.$docRowCache[i];
                  var doCache = screenRow > rowCache[l - 1];
              } else {
                  var doCache = !l;
              }
  
              var maxRow = this.getLength() - 1;
              var foldLine = this.getNextFoldLine(docRow);
              var foldStart = foldLine ? foldLine.start.row : Infinity;
  
              while (row <= screenRow) {
                  rowLength = this.getRowLength(docRow);
                  if (row + rowLength > screenRow || docRow >= maxRow) {
                      break;
                  } else {
                      row += rowLength;
                      docRow++;
                      if (docRow > foldStart) {
                          docRow = foldLine.end.row + 1;
                          foldLine = this.getNextFoldLine(docRow, foldLine);
                          foldStart = foldLine ? foldLine.start.row : Infinity;
                      }
                  }
  
                  if (doCache) {
                      this.$docRowCache.push(docRow);
                      this.$screenRowCache.push(row);
                  }
              }
  
              if (foldLine && foldLine.start.row <= docRow) {
                  line = this.getFoldDisplayLine(foldLine);
                  docRow = foldLine.start.row;
              } else if (row + rowLength <= screenRow || docRow > maxRow) {
                  return {
                      row: maxRow,
                      column: this.getLine(maxRow).length
                  };
              } else {
                  line = this.getLine(docRow);
                  foldLine = null;
              }
              var wrapIndent = 0,
                  splitIndex = Math.floor(screenRow - row);
              if (this.$useWrapMode) {
                  var splits = this.$wrapData[docRow];
                  if (splits) {
                      column = splits[splitIndex];
                      if (splitIndex > 0 && splits.length) {
                          wrapIndent = splits.indent;
                          docColumn = splits[splitIndex - 1] || splits[splits.length - 1];
                          line = line.substring(docColumn);
                      }
                  }
              }
  
              if (offsetX !== undefined && this.$bidiHandler.isBidiRow(row + splitIndex, docRow, splitIndex))
                  screenColumn = this.$bidiHandler.offsetToCol(offsetX);
  
              docColumn += this.$getStringScreenWidth(line, screenColumn - wrapIndent)[1];
              if (this.$useWrapMode && docColumn >= column)
                  docColumn = column - 1;
  
              if (foldLine)
                  return foldLine.idxToPosition(docColumn);
  
              return {
                  row: docRow,
                  column: docColumn
              };
          };
          this.documentToScreenPosition = function (docRow, docColumn) {
              if (typeof docColumn === "undefined")
                  var pos = this.$clipPositionToDocument(docRow.row, docRow.column);
              else
                  pos = this.$clipPositionToDocument(docRow, docColumn);
  
              docRow = pos.row;
              docColumn = pos.column;
  
              var screenRow = 0;
              var foldStartRow = null;
              var fold = null;
              fold = this.getFoldAt(docRow, docColumn, 1);
              if (fold) {
                  docRow = fold.start.row;
                  docColumn = fold.start.column;
              }
  
              var rowEnd, row = 0;
  
  
              var rowCache = this.$docRowCache;
              var i = this.$getRowCacheIndex(rowCache, docRow);
              var l = rowCache.length;
              if (l && i >= 0) {
                  var row = rowCache[i];
                  var screenRow = this.$screenRowCache[i];
                  var doCache = docRow > rowCache[l - 1];
              } else {
                  var doCache = !l;
              }
  
              var foldLine = this.getNextFoldLine(row);
              var foldStart = foldLine ? foldLine.start.row : Infinity;
  
              while (row < docRow) {
                  if (row >= foldStart) {
                      rowEnd = foldLine.end.row + 1;
                      if (rowEnd > docRow)
                          break;
                      foldLine = this.getNextFoldLine(rowEnd, foldLine);
                      foldStart = foldLine ? foldLine.start.row : Infinity;
                  } else {
                      rowEnd = row + 1;
                  }
  
                  screenRow += this.getRowLength(row);
                  row = rowEnd;
  
                  if (doCache) {
                      this.$docRowCache.push(row);
                      this.$screenRowCache.push(screenRow);
                  }
              }
              var textLine = "";
              if (foldLine && row >= foldStart) {
                  textLine = this.getFoldDisplayLine(foldLine, docRow, docColumn);
                  foldStartRow = foldLine.start.row;
              } else {
                  textLine = this.getLine(docRow).substring(0, docColumn);
                  foldStartRow = docRow;
              }
              var wrapIndent = 0;
              if (this.$useWrapMode) {
                  var wrapRow = this.$wrapData[foldStartRow];
                  if (wrapRow) {
                      var screenRowOffset = 0;
                      while (textLine.length >= wrapRow[screenRowOffset]) {
                          screenRow++;
                          screenRowOffset++;
                      }
                      textLine = textLine.substring(
                          wrapRow[screenRowOffset - 1] || 0, textLine.length
                      );
                      wrapIndent = screenRowOffset > 0 ? wrapRow.indent : 0;
                  }
              }
  
              if (this.lineWidgets && this.lineWidgets[row] && this.lineWidgets[row].rowsAbove)
                  screenRow += this.lineWidgets[row].rowsAbove;
  
              return {
                  row: screenRow,
                  column: wrapIndent + this.$getStringScreenWidth(textLine)[0]
              };
          };
          this.documentToScreenColumn = function (row, docColumn) {
              return this.documentToScreenPosition(row, docColumn).column;
          };
          this.documentToScreenRow = function (docRow, docColumn) {
              return this.documentToScreenPosition(docRow, docColumn).row;
          };
          this.getScreenLength = function () {
              var screenRows = 0;
              var fold = null;
              if (!this.$useWrapMode) {
                  screenRows = this.getLength();
                  var foldData = this.$foldData;
                  for (var i = 0; i < foldData.length; i++) {
                      fold = foldData[i];
                      screenRows -= fold.end.row - fold.start.row;
                  }
              } else {
                  var lastRow = this.$wrapData.length;
                  var row = 0,
                      i = 0;
                  var fold = this.$foldData[i++];
                  var foldStart = fold ? fold.start.row : Infinity;
  
                  while (row < lastRow) {
                      var splits = this.$wrapData[row];
                      screenRows += splits ? splits.length + 1 : 1;
                      row++;
                      if (row > foldStart) {
                          row = fold.end.row + 1;
                          fold = this.$foldData[i++];
                          foldStart = fold ? fold.start.row : Infinity;
                      }
                  }
              }
              if (this.lineWidgets)
                  screenRows += this.$getWidgetScreenLength();
  
              return screenRows;
          };
          this.$setFontMetrics = function (fm) {
              if (!this.$enableVarChar) return;
              this.$getStringScreenWidth = function (str, maxScreenColumn, screenColumn) {
                  if (maxScreenColumn === 0)
                      return [0, 0];
                  if (!maxScreenColumn)
                      maxScreenColumn = Infinity;
                  screenColumn = screenColumn || 0;
  
                  var c, column;
                  for (column = 0; column < str.length; column++) {
                      c = str.charAt(column);
                      if (c === "\t") {
                          screenColumn += this.getScreenTabSize(screenColumn);
                      } else {
                          screenColumn += fm.getCharacterWidth(c);
                      }
                      if (screenColumn > maxScreenColumn) {
                          break;
                      }
                  }
  
                  return [screenColumn, column];
              };
          };
  
          this.destroy = function () {
              if (this.bgTokenizer) {
                  this.bgTokenizer.setDocument(null);
                  this.bgTokenizer = null;
              }
              this.$stopWorker();
              this.removeAllListeners();
              this.selection.detach();
          };
  
          this.isFullWidth = isFullWidth;
  
          function isFullWidth(c) {
              if (c < 0x1100)
                  return false;
              return c >= 0x1100 && c <= 0x115F ||
                  c >= 0x11A3 && c <= 0x11A7 ||
                  c >= 0x11FA && c <= 0x11FF ||
                  c >= 0x2329 && c <= 0x232A ||
                  c >= 0x2E80 && c <= 0x2E99 ||
                  c >= 0x2E9B && c <= 0x2EF3 ||
                  c >= 0x2F00 && c <= 0x2FD5 ||
                  c >= 0x2FF0 && c <= 0x2FFB ||
                  c >= 0x3000 && c <= 0x303E ||
                  c >= 0x3041 && c <= 0x3096 ||
                  c >= 0x3099 && c <= 0x30FF ||
                  c >= 0x3105 && c <= 0x312D ||
                  c >= 0x3131 && c <= 0x318E ||
                  c >= 0x3190 && c <= 0x31BA ||
                  c >= 0x31C0 && c <= 0x31E3 ||
                  c >= 0x31F0 && c <= 0x321E ||
                  c >= 0x3220 && c <= 0x3247 ||
                  c >= 0x3250 && c <= 0x32FE ||
                  c >= 0x3300 && c <= 0x4DBF ||
                  c >= 0x4E00 && c <= 0xA48C ||
                  c >= 0xA490 && c <= 0xA4C6 ||
                  c >= 0xA960 && c <= 0xA97C ||
                  c >= 0xAC00 && c <= 0xD7A3 ||
                  c >= 0xD7B0 && c <= 0xD7C6 ||
                  c >= 0xD7CB && c <= 0xD7FB ||
                  c >= 0xF900 && c <= 0xFAFF ||
                  c >= 0xFE10 && c <= 0xFE19 ||
                  c >= 0xFE30 && c <= 0xFE52 ||
                  c >= 0xFE54 && c <= 0xFE66 ||
                  c >= 0xFE68 && c <= 0xFE6B ||
                  c >= 0xFF01 && c <= 0xFF60 ||
                  c >= 0xFFE0 && c <= 0xFFE6;
          }
  
      }).call(EditSession.prototype);
  
      require("./edit_session/folding").Folding.call(EditSession.prototype);
      require("./edit_session/bracket_match").BracketMatch.call(EditSession.prototype);
  
  
      config.defineOptions(EditSession.prototype, "session", {
          wrap: {
              set: function (value) {
                  if (!value || value == "off")
                      value = false;
                  else if (value == "free")
                      value = true;
                  else if (value == "printMargin")
                      value = -1;
                  else if (typeof value == "string")
                      value = parseInt(value, 10) || false;
  
                  if (this.$wrap == value)
                      return;
                  this.$wrap = value;
                  if (!value) {
                      this.setUseWrapMode(false);
                  } else {
                      var col = typeof value == "number" ? value : null;
                      this.setWrapLimitRange(col, col);
                      this.setUseWrapMode(true);
                  }
              },
              get: function () {
                  if (this.getUseWrapMode()) {
                      if (this.$wrap == -1)
                          return "printMargin";
                      if (!this.getWrapLimitRange().min)
                          return "free";
                      return this.$wrap;
                  }
                  return "off";
              },
              handlesSet: true
          },
          wrapMethod: {
              set: function (val) {
                  val = val == "auto" ?
                      this.$mode.type != "text" :
                      val != "text";
                  if (val != this.$wrapAsCode) {
                      this.$wrapAsCode = val;
                      if (this.$useWrapMode) {
                          this.$useWrapMode = false;
                          this.setUseWrapMode(true);
                      }
                  }
              },
              initialValue: "auto"
          },
          indentedSoftWrap: {
              set: function () {
                  if (this.$useWrapMode) {
                      this.$useWrapMode = false;
                      this.setUseWrapMode(true);
                  }
              },
              initialValue: true
          },
          firstLineNumber: {
              set: function () {
                  this._signal("changeBreakpoint");
              },
              initialValue: 1
          },
          useWorker: {
              set: function (useWorker) {
                  this.$useWorker = useWorker;
  
                  this.$stopWorker();
                  if (useWorker)
                      this.$startWorker();
              },
              initialValue: true
          },
          useSoftTabs: {
              initialValue: true
          },
          tabSize: {
              set: function (tabSize) {
                  tabSize = parseInt(tabSize);
                  if (tabSize > 0 && this.$tabSize !== tabSize) {
                      this.$modified = true;
                      this.$rowLengthCache = [];
                      this.$tabSize = tabSize;
                      this._signal("changeTabSize");
                  }
              },
              initialValue: 4,
              handlesSet: true
          },
          navigateWithinSoftTabs: {
              initialValue: false
          },
          foldStyle: {
              set: function (val) {
                  this.setFoldStyle(val);
              },
              handlesSet: true
          },
          overwrite: {
              set: function (val) {
                  this._signal("changeOverwrite");
              },
              initialValue: false
          },
          newLineMode: {
              set: function (val) {
                  this.doc.setNewLineMode(val);
              },
              get: function () {
                  return this.doc.getNewLineMode();
              },
              handlesSet: true
          },
          mode: {
              set: function (val) {
                  this.setMode(val);
              },
              get: function () {
                  return this.$modeId;
              },
              handlesSet: true
          }
      });
  
      exports.EditSession = EditSession;
  });
  
  define("ace/search", ["require", "exports", "module", "ace/lib/lang", "ace/lib/oop", "ace/range"], function (require, exports, module) {
      "use strict";
  
      var lang = require("./lib/lang");
      var oop = require("./lib/oop");
      var Range = require("./range").Range;
  
      var Search = function () {
          this.$options = {};
      };
  
      (function () {
          this.set = function (options) {
              oop.mixin(this.$options, options);
              return this;
          };
          this.getOptions = function () {
              return lang.copyObject(this.$options);
          };
          this.setOptions = function (options) {
              this.$options = options;
          };
          this.find = function (session) {
              var options = this.$options;
              var iterator = this.$matchIterator(session, options);
              if (!iterator)
                  return false;
  
              var firstRange = null;
              iterator.forEach(function (sr, sc, er, ec) {
                  firstRange = new Range(sr, sc, er, ec);
                  if (sc == ec && options.start && options.start.start &&
                      options.skipCurrent != false && firstRange.isEqual(options.start)
                  ) {
                      firstRange = null;
                      return false;
                  }
  
                  return true;
              });
  
              return firstRange;
          };
          this.findAll = function (session) {
              var options = this.$options;
              if (!options.needle)
                  return [];
              this.$assembleRegExp(options);
  
              var range = options.range;
              var lines = range ?
                  session.getLines(range.start.row, range.end.row) :
                  session.doc.getAllLines();
  
              var ranges = [];
              var re = options.re;
              if (options.$isMultiLine) {
                  var len = re.length;
                  var maxRow = lines.length - len;
                  var prevRange;
                  outer: for (var row = re.offset || 0; row <= maxRow; row++) {
                      for (var j = 0; j < len; j++)
                          if (lines[row + j].search(re[j]) == -1)
                              continue outer;
  
                      var startLine = lines[row];
                      var line = lines[row + len - 1];
                      var startIndex = startLine.length - startLine.match(re[0])[0].length;
                      var endIndex = line.match(re[len - 1])[0].length;
  
                      if (prevRange && prevRange.end.row === row &&
                          prevRange.end.column > startIndex
                      ) {
                          continue;
                      }
                      ranges.push(prevRange = new Range(
                          row, startIndex, row + len - 1, endIndex
                      ));
                      if (len > 2)
                          row = row + len - 2;
                  }
              } else {
                  for (var i = 0; i < lines.length; i++) {
                      var matches = lang.getMatchOffsets(lines[i], re);
                      for (var j = 0; j < matches.length; j++) {
                          var match = matches[j];
                          ranges.push(new Range(i, match.offset, i, match.offset + match.length));
                      }
                  }
              }
  
              if (range) {
                  var startColumn = range.start.column;
                  var endColumn = range.start.column;
                  var i = 0,
                      j = ranges.length - 1;
                  while (i < j && ranges[i].start.column < startColumn && ranges[i].start.row == range.start.row)
                      i++;
  
                  while (i < j && ranges[j].end.column > endColumn && ranges[j].end.row == range.end.row)
                      j--;
  
                  ranges = ranges.slice(i, j + 1);
                  for (i = 0, j = ranges.length; i < j; i++) {
                      ranges[i].start.row += range.start.row;
                      ranges[i].end.row += range.start.row;
                  }
              }
  
              return ranges;
          };
          this.replace = function (input, replacement) {
              var options = this.$options;
  
              var re = this.$assembleRegExp(options);
              if (options.$isMultiLine)
                  return replacement;
  
              if (!re)
                  return;
  
              var match = re.exec(input);
              if (!match || match[0].length != input.length)
                  return null;
  
              replacement = input.replace(re, replacement);
              if (options.preserveCase) {
                  replacement = replacement.split("");
                  for (var i = Math.min(input.length, input.length); i--;) {
                      var ch = input[i];
                      if (ch && ch.toLowerCase() != ch)
                          replacement[i] = replacement[i].toUpperCase();
                      else
                          replacement[i] = replacement[i].toLowerCase();
                  }
                  replacement = replacement.join("");
              }
  
              return replacement;
          };
  
          this.$assembleRegExp = function (options, $disableFakeMultiline) {
              if (options.needle instanceof RegExp)
                  return options.re = options.needle;
  
              var needle = options.needle;
  
              if (!options.needle)
                  return options.re = false;
  
              if (!options.regExp)
                  needle = lang.escapeRegExp(needle);
  
              if (options.wholeWord)
                  needle = addWordBoundary(needle, options);
  
              var modifier = options.caseSensitive ? "gm" : "gmi";
  
              options.$isMultiLine = !$disableFakeMultiline && /[\n\r]/.test(needle);
              if (options.$isMultiLine)
                  return options.re = this.$assembleMultilineRegExp(needle, modifier);
  
              try {
                  var re = new RegExp(needle, modifier);
              } catch (e) {
                  re = false;
              }
              return options.re = re;
          };
  
          this.$assembleMultilineRegExp = function (needle, modifier) {
              var parts = needle.replace(/\r\n|\r|\n/g, "$\n^").split("\n");
              var re = [];
              for (var i = 0; i < parts.length; i++) try {
                  re.push(new RegExp(parts[i], modifier));
              } catch (e) {
                  return false;
              }
              return re;
          };
  
          this.$matchIterator = function (session, options) {
              var re = this.$assembleRegExp(options);
              if (!re)
                  return false;
              var backwards = options.backwards == true;
              var skipCurrent = options.skipCurrent != false;
  
              var range = options.range;
              var start = options.start;
              if (!start)
                  start = range ? range[backwards ? "end" : "start"] : session.selection.getRange();
  
              if (start.start)
                  start = start[skipCurrent != backwards ? "end" : "start"];
  
              var firstRow = range ? range.start.row : 0;
              var lastRow = range ? range.end.row : session.getLength() - 1;
  
              if (backwards) {
                  var forEach = function (callback) {
                      var row = start.row;
                      if (forEachInLine(row, start.column, callback))
                          return;
                      for (row--; row >= firstRow; row--)
                          if (forEachInLine(row, Number.MAX_VALUE, callback))
                              return;
                      if (options.wrap == false)
                          return;
                      for (row = lastRow, firstRow = start.row; row >= firstRow; row--)
                          if (forEachInLine(row, Number.MAX_VALUE, callback))
                              return;
                  };
              } else {
                  var forEach = function (callback) {
                      var row = start.row;
                      if (forEachInLine(row, start.column, callback))
                          return;
                      for (row = row + 1; row <= lastRow; row++)
                          if (forEachInLine(row, 0, callback))
                              return;
                      if (options.wrap == false)
                          return;
                      for (row = firstRow, lastRow = start.row; row <= lastRow; row++)
                          if (forEachInLine(row, 0, callback))
                              return;
                  };
              }
  
              if (options.$isMultiLine) {
                  var len = re.length;
                  var forEachInLine = function (row, offset, callback) {
                      var startRow = backwards ? row - len + 1 : row;
                      if (startRow < 0) return;
                      var line = session.getLine(startRow);
                      var startIndex = line.search(re[0]);
                      if (!backwards && startIndex < offset || startIndex === -1) return;
                      for (var i = 1; i < len; i++) {
                          line = session.getLine(startRow + i);
                          if (line.search(re[i]) == -1)
                              return;
                      }
                      var endIndex = line.match(re[len - 1])[0].length;
                      if (backwards && endIndex > offset) return;
                      if (callback(startRow, startIndex, startRow + len - 1, endIndex))
                          return true;
                  };
              } else if (backwards) {
                  var forEachInLine = function (row, endIndex, callback) {
                      var line = session.getLine(row);
                      var matches = [];
                      var m, last = 0;
                      re.lastIndex = 0;
                      while ((m = re.exec(line))) {
                          var length = m[0].length;
                          last = m.index;
                          if (!length) {
                              if (last >= line.length) break;
                              re.lastIndex = last += 1;
                          }
                          if (m.index + length > endIndex)
                              break;
                          matches.push(m.index, length);
                      }
                      for (var i = matches.length - 1; i >= 0; i -= 2) {
                          var column = matches[i - 1];
                          var length = matches[i];
                          if (callback(row, column, row, column + length))
                              return true;
                      }
                  };
              } else {
                  var forEachInLine = function (row, startIndex, callback) {
                      var line = session.getLine(row);
                      var last;
                      var m;
                      re.lastIndex = startIndex;
                      while ((m = re.exec(line))) {
                          var length = m[0].length;
                          last = m.index;
                          if (callback(row, last, row, last + length))
                              return true;
                          if (!length) {
                              re.lastIndex = last += 1;
                              if (last >= line.length) return false;
                          }
                      }
                  };
              }
              return {
                  forEach: forEach
              };
          };
  
      }).call(Search.prototype);
  
      function addWordBoundary(needle, options) {
          function wordBoundary(c) {
              if (/\w/.test(c) || options.regExp) return "\\b";
              return "";
          }
          return wordBoundary(needle[0]) + needle +
              wordBoundary(needle[needle.length - 1]);
      }
  
      exports.Search = Search;
  });
  
  define("ace/keyboard/hash_handler", ["require", "exports", "module", "ace/lib/keys", "ace/lib/useragent"], function (require, exports, module) {
      "use strict";
  
      var keyUtil = require("../lib/keys");
      var useragent = require("../lib/useragent");
      var KEY_MODS = keyUtil.KEY_MODS;
  
      function HashHandler(config, platform) {
          this.platform = platform || (useragent.isMac ? "mac" : "win");
          this.commands = {};
          this.commandKeyBinding = {};
          this.addCommands(config);
          this.$singleCommand = true;
      }
  
      function MultiHashHandler(config, platform) {
          HashHandler.call(this, config, platform);
          this.$singleCommand = false;
      }
  
      MultiHashHandler.prototype = HashHandler.prototype;
  
      (function () {
  
  
          this.addCommand = function (command) {
              if (this.commands[command.name])
                  this.removeCommand(command);
  
              this.commands[command.name] = command;
  
              if (command.bindKey)
                  this._buildKeyHash(command);
          };
  
          this.removeCommand = function (command, keepCommand) {
              var name = command && (typeof command === 'string' ? command : command.name);
              command = this.commands[name];
              if (!keepCommand)
                  delete this.commands[name];
              var ckb = this.commandKeyBinding;
              for (var keyId in ckb) {
                  var cmdGroup = ckb[keyId];
                  if (cmdGroup == command) {
                      delete ckb[keyId];
                  } else if (Array.isArray(cmdGroup)) {
                      var i = cmdGroup.indexOf(command);
                      if (i != -1) {
                          cmdGroup.splice(i, 1);
                          if (cmdGroup.length == 1)
                              ckb[keyId] = cmdGroup[0];
                      }
                  }
              }
          };
  
          this.bindKey = function (key, command, position) {
              if (typeof key == "object" && key) {
                  if (position == undefined)
                      position = key.position;
                  key = key[this.platform];
              }
              if (!key)
                  return;
              if (typeof command == "function")
                  return this.addCommand({
                      exec: command,
                      bindKey: key,
                      name: command.name || key
                  });
  
              key.split("|").forEach(function (keyPart) {
                  var chain = "";
                  if (keyPart.indexOf(" ") != -1) {
                      var parts = keyPart.split(/\s+/);
                      keyPart = parts.pop();
                      parts.forEach(function (keyPart) {
                          var binding = this.parseKeys(keyPart);
                          var id = KEY_MODS[binding.hashId] + binding.key;
                          chain += (chain ? " " : "") + id;
                          this._addCommandToBinding(chain, "chainKeys");
                      }, this);
                      chain += " ";
                  }
                  var binding = this.parseKeys(keyPart);
                  var id = KEY_MODS[binding.hashId] + binding.key;
                  this._addCommandToBinding(chain + id, command, position);
              }, this);
          };
  
          function getPosition(command) {
              return typeof command == "object" && command.bindKey &&
                  command.bindKey.position ||
                  (command.isDefault ? -100 : 0);
          }
          this._addCommandToBinding = function (keyId, command, position) {
              var ckb = this.commandKeyBinding,
                  i;
              if (!command) {
                  delete ckb[keyId];
              } else if (!ckb[keyId] || this.$singleCommand) {
                  ckb[keyId] = command;
              } else {
                  if (!Array.isArray(ckb[keyId])) {
                      ckb[keyId] = [ckb[keyId]];
                  } else if ((i = ckb[keyId].indexOf(command)) != -1) {
                      ckb[keyId].splice(i, 1);
                  }
  
                  if (typeof position != "number") {
                      position = getPosition(command);
                  }
  
                  var commands = ckb[keyId];
                  for (i = 0; i < commands.length; i++) {
                      var other = commands[i];
                      var otherPos = getPosition(other);
                      if (otherPos > position)
                          break;
                  }
                  commands.splice(i, 0, command);
              }
          };
  
          this.addCommands = function (commands) {
              commands && Object.keys(commands).forEach(function (name) {
                  var command = commands[name];
                  if (!command)
                      return;
  
                  if (typeof command === "string")
                      return this.bindKey(command, name);
  
                  if (typeof command === "function")
                      command = {
                          exec: command
                      };
  
                  if (typeof command !== "object")
                      return;
  
                  if (!command.name)
                      command.name = name;
  
                  this.addCommand(command);
              }, this);
          };
  
          this.removeCommands = function (commands) {
              Object.keys(commands).forEach(function (name) {
                  this.removeCommand(commands[name]);
              }, this);
          };
  
          this.bindKeys = function (keyList) {
              Object.keys(keyList).forEach(function (key) {
                  this.bindKey(key, keyList[key]);
              }, this);
          };
  
          this._buildKeyHash = function (command) {
              this.bindKey(command.bindKey, command);
          };
          this.parseKeys = function (keys) {
              var parts = keys.toLowerCase().split(/[\-\+]([\-\+])?/).filter(function (x) {
                  return x;
              });
              var key = parts.pop();
  
              var keyCode = keyUtil[key];
              if (keyUtil.FUNCTION_KEYS[keyCode])
                  key = keyUtil.FUNCTION_KEYS[keyCode].toLowerCase();
              else if (!parts.length)
                  return {
                      key: key,
                      hashId: -1
                  };
              else if (parts.length == 1 && parts[0] == "shift")
                  return {
                      key: key.toUpperCase(),
                      hashId: -1
                  };
  
              var hashId = 0;
              for (var i = parts.length; i--;) {
                  var modifier = keyUtil.KEY_MODS[parts[i]];
                  if (modifier == null) {
                      if (typeof console != "undefined")
                          console.error("invalid modifier " + parts[i] + " in " + keys);
                      return false;
                  }
                  hashId |= modifier;
              }
              return {
                  key: key,
                  hashId: hashId
              };
          };
  
          this.findKeyCommand = function findKeyCommand(hashId, keyString) {
              var key = KEY_MODS[hashId] + keyString;
              return this.commandKeyBinding[key];
          };
  
          this.handleKeyboard = function (data, hashId, keyString, keyCode) {
              if (keyCode < 0) return;
              var key = KEY_MODS[hashId] + keyString;
              var command = this.commandKeyBinding[key];
              if (data.$keyChain) {
                  data.$keyChain += " " + key;
                  command = this.commandKeyBinding[data.$keyChain] || command;
              }
  
              if (command) {
                  if (command == "chainKeys" || command[command.length - 1] == "chainKeys") {
                      data.$keyChain = data.$keyChain || key;
                      return {
                          command: "null"
                      };
                  }
              }
  
              if (data.$keyChain) {
                  if ((!hashId || hashId == 4) && keyString.length == 1)
                      data.$keyChain = data.$keyChain.slice(0, -key.length - 1); // wait for input
                  else if (hashId == -1 || keyCode > 0)
                      data.$keyChain = ""; // reset keyChain
              }
              return {
                  command: command
              };
          };
  
          this.getStatusText = function (editor, data) {
              return data.$keyChain || "";
          };
  
      }).call(HashHandler.prototype);
  
      exports.HashHandler = HashHandler;
      exports.MultiHashHandler = MultiHashHandler;
  });
  
  define("ace/commands/command_manager", ["require", "exports", "module", "ace/lib/oop", "ace/keyboard/hash_handler", "ace/lib/event_emitter"], function (require, exports, module) {
      "use strict";
  
      var oop = require("../lib/oop");
      var MultiHashHandler = require("../keyboard/hash_handler").MultiHashHandler;
      var EventEmitter = require("../lib/event_emitter").EventEmitter;
  
      var CommandManager = function (platform, commands) {
          MultiHashHandler.call(this, commands, platform);
          this.byName = this.commands;
          this.setDefaultHandler("exec", function (e) {
              return e.command.exec(e.editor, e.args || {});
          });
      };
  
      oop.inherits(CommandManager, MultiHashHandler);
  
      (function () {
  
          oop.implement(this, EventEmitter);
  
          this.exec = function (command, editor, args) {
              if (Array.isArray(command)) {
                  for (var i = command.length; i--;) {
                      if (this.exec(command[i], editor, args)) return true;
                  }
                  return false;
              }
  
              if (typeof command === "string")
                  command = this.commands[command];
  
              if (!command)
                  return false;
  
              if (editor && editor.$readOnly && !command.readOnly)
                  return false;
  
              if (this.$checkCommandState != false && command.isAvailable && !command.isAvailable(editor))
                  return false;
  
              var e = {
                  editor: editor,
                  command: command,
                  args: args
              };
              e.returnValue = this._emit("exec", e);
              this._signal("afterExec", e);
  
              return e.returnValue === false ? false : true;
          };
  
          this.toggleRecording = function (editor) {
              if (this.$inReplay)
                  return;
  
              editor && editor._emit("changeStatus");
              if (this.recording) {
                  this.macro.pop();
                  this.off("exec", this.$addCommandToMacro);
  
                  if (!this.macro.length)
                      this.macro = this.oldMacro;
  
                  return this.recording = false;
              }
              if (!this.$addCommandToMacro) {
                  this.$addCommandToMacro = function (e) {
                      this.macro.push([e.command, e.args]);
                  }.bind(this);
              }
  
              this.oldMacro = this.macro;
              this.macro = [];
              this.on("exec", this.$addCommandToMacro);
              return this.recording = true;
          };
  
          this.replay = function (editor) {
              if (this.$inReplay || !this.macro)
                  return;
  
              if (this.recording)
                  return this.toggleRecording(editor);
  
              try {
                  this.$inReplay = true;
                  this.macro.forEach(function (x) {
                      if (typeof x == "string")
                          this.exec(x, editor);
                      else
                          this.exec(x[0], editor, x[1]);
                  }, this);
              } finally {
                  this.$inReplay = false;
              }
          };
  
          this.trimMacro = function (m) {
              return m.map(function (x) {
                  if (typeof x[0] != "string")
                      x[0] = x[0].name;
                  if (!x[1])
                      x = x[0];
                  return x;
              });
          };
  
      }).call(CommandManager.prototype);
  
      exports.CommandManager = CommandManager;
  
  });
  
  define("ace/commands/default_commands", ["require", "exports", "module", "ace/lib/lang", "ace/config", "ace/range"], function (require, exports, module) {
      "use strict";
  
      var lang = require("../lib/lang");
      var config = require("../config");
      var Range = require("../range").Range;
  
      function bindKey(win) {
          return {
              win: keyBindings(win)
          };
      }
      exports.commands = [{
              name: "newFile",
              description: "Create new file",
              bindKey: bindKey("newFile"),
              exec: function () {
                  if (Acode) {
                      Acode.exec("new-file");
                  }
              },
              readOnly: true
          }, {
              name: "openFile",
              description: "Open a file",
              bindKey: bindKey("openFile"),
              exec: function () {
                  if (Acode) {
                      Acode.exec("open-file");
                  }
              },
              readOnly: true
          }, {
              name: "openFolder",
              description: "Open a folder",
              bindKey: bindKey("openFolder"),
              exec: function () {
                  if (Acode) {
                      Acode.exec("open-folder");
                  }
              },
              readOnly: true
          }, {
              name: "saveFile",
              description: "Save current file",
              bindKey: bindKey("saveFile"),
              exec: function () {
                  if (Acode) {
                      Acode.exec("save");
                  }
              },
              readOnly: true
          }, {
              name: "saveFileAs",
              description: "Save as current file",
              bindKey: bindKey("saveFileAs"),
              exec: function () {
                  if (Acode) {
                      Acode.exec("save-as");
                  }
              },
              readOnly: true
          }, {
              name: "nextFile",
              description: "Open next file tab",
              bindKey: bindKey("nextFile"),
              exec: function () {
                  if (Acode) {
                      Acode.exec("next-file")
                  }
              }
          }, {
              name: "prevFile",
              description: "Open previous file tab",
              bindKey: bindKey("prevFile"),
              exec: function () {
                  if (Acode) {
                      Acode.exec("prev-file")
                  }
              }
          }, {
              name: "showSettingsMenu",
              description: "Show settings menu",
              bindKey: bindKey("showSettingsMenu"),
              exec: function () {
                  if (Acode) {
                      Acode.exec("open", "settings");
                  }
              },
              readOnly: true
          }, {
              name: "renameFile",
              description: "Rename active file",
              bindKey: bindKey("renameFile"),
              exec: function () {
                  if (Acode) {
                      Acode.exec("rename");
                  }
              },
              readOnly: true
          }, {
              name: "run",
              description: "Preview HTML and MarkDown",
              bindKey: bindKey("run"),
              exec: function () {
                  if (Acode) {
                      Acode.exec("run");
                  }
              },
              readOnly: true
          }, {
              name: "selectWord",
              description: "Select word",
              bindKey: bindKey("selectWord"),
              exec: function () {
                  if (Acode) {
                      Acode.exec("select-word");
                  }
              },
              readOnly: true
          }, {
              name: "toggleFullscreen",
              description: "Toggle full screen mode",
              bindKey: bindKey("toggleFullscreen"),
              exec: function () {
                  if (Acode) {
                      Acode.exec("toggle-fullscreen")
                  }
              }
          }, {
              name: "toggleSidebar",
              description: "Toggle sidebar",
              bindKey: bindKey("toggleSidebar"),
              exec: function () {
                  if (Acode) {
                      Acode.exec("toggle-sidebar")
                  }
              }
          }, {
              name: "toggleMenu",
              description: "Toggle main menu",
              bindKey: bindKey("toggleMenu"),
              exec: function () {
                  if (Acode) {
                      Acode.exec("toggle-menu")
                  }
              }
          }, {
              name: "toggleEditMenu",
              description: "Toggle edit menu",
              bindKey: bindKey("toggleEditMenu"),
              exec: function () {
                  if (Acode) {
                      Acode.exec("toggle-editmenu")
                  }
              }
          }, {
              name: "goToNextError",
              description: "Go to next error",
              bindKey: bindKey("goToNextError"),
              exec: function (editor) {
                  config.loadModule("./ext/error_marker", function (module) {
                      module.showErrorMarker(editor, 1);
                  });
              },
              scrollIntoView: "animate",
              readOnly: true
          }, {
              name: "goToPreviousError",
              description: "Go to previous error",
              bindKey: bindKey("goToPreviousError"),
              exec: function (editor) {
                  config.loadModule("./ext/error_marker", function (module) {
                      module.showErrorMarker(editor, -1);
                  });
              },
              scrollIntoView: "animate",
              readOnly: true
          }, {
              name: "selectall",
              description: "Select all",
              bindKey: bindKey("selectall"),
              exec: function (editor) {
                  editor.selectAll();
              },
              readOnly: true
          }, {
              name: "centerselection",
              description: "Center selection",
              bindKey: bindKey("centerselection"),
              exec: function (editor) {
                  editor.centerSelection();
              },
              readOnly: true
          }, {
              name: "gotoline",
              description: "Go to line...",
              bindKey: bindKey("gotoline"),
              exec: function () {
                  if (Acode) {
                      Acode.exec('goto');
                  }
              },
              readOnly: true
          }, {
              name: "fold",
              bindKey: bindKey("fold"),
              exec: function (editor) {
                  editor.session.toggleFold(false);
              },
              multiSelectAction: "forEach",
              scrollIntoView: "center",
              readOnly: true
          }, {
              name: "unfold",
              bindKey: bindKey("unfold"),
              exec: function (editor) {
                  editor.session.toggleFold(true);
              },
              multiSelectAction: "forEach",
              scrollIntoView: "center",
              readOnly: true
          }, {
              name: "toggleFoldWidget",
              description: "Toggle fold widget",
              bindKey: bindKey("toggleFoldWidget"),
              exec: function (editor) {
                  editor.session.toggleFoldWidget();
              },
              multiSelectAction: "forEach",
              scrollIntoView: "center",
              readOnly: true
          }, {
              name: "toggleParentFoldWidget",
              description: "Toggle parent fold widget",
              bindKey: bindKey("toggleParentFoldWidget"),
              exec: function (editor) {
                  editor.session.toggleFoldWidget(true);
              },
              multiSelectAction: "forEach",
              scrollIntoView: "center",
              readOnly: true
          }, {
              name: "foldall",
              description: "Fold all",
              bindKey: bindKey("foldall"),
              exec: function (editor) {
                  editor.session.foldAll();
              },
              scrollIntoView: "center",
              readOnly: true
          }, {
              name: "foldOther",
              description: "Fold other",
              bindKey: bindKey("foldOther"),
              exec: function (editor) {
                  editor.session.foldAll();
                  editor.session.unfold(editor.selection.getAllRanges());
              },
              scrollIntoView: "center",
              readOnly: true
          }, {
              name: "unfoldall",
              description: "Unfold all",
              bindKey: bindKey("unfoldall"),
              exec: function (editor) {
                  editor.session.unfold();
              },
              scrollIntoView: "center",
              readOnly: true
          }, {
              name: "findnext",
              description: "Find next",
              bindKey: bindKey("findnext"),
              exec: function (editor) {
                  editor.findNext();
              },
              multiSelectAction: "forEach",
              scrollIntoView: "center",
              readOnly: true
          }, {
              name: "findprevious",
              description: "Find previous",
              bindKey: bindKey("findprevious"),
              exec: function (editor) {
                  editor.findPrevious();
              },
              multiSelectAction: "forEach",
              scrollIntoView: "center",
              readOnly: true
          }, {
              name: "selectOrFindNext",
              description: "Select or find next",
              bindKey: bindKey("selectOrFindNext"),
              exec: function (editor) {
                  if (editor.selection.isEmpty())
                      editor.selection.selectWord();
                  else
                      editor.findNext();
              },
              readOnly: true
          }, {
              name: "selectOrFindPrevious",
              description: "Select or find previous",
              bindKey: bindKey("selectOrFindPrevious"),
              exec: function (editor) {
                  if (editor.selection.isEmpty())
                      editor.selection.selectWord();
                  else
                      editor.findPrevious();
              },
              readOnly: true
          }, {
              name: "find",
              description: "Find",
              bindKey: bindKey("find"),
              exec: function () {
                  if (Acode) {
                      Acode.exec('find');
                  }
              },
              readOnly: true
          }, {
              name: "overwrite",
              description: "Overwrite",
              bindKey: bindKey("overwrite"),
              exec: function (editor) {
                  editor.toggleOverwrite();
              },
              readOnly: true
          }, {
              name: "selecttostart",
              description: "Select to start",
              bindKey: bindKey("selecttostart"),
              exec: function (editor) {
                  editor.getSelection().selectFileStart();
              },
              multiSelectAction: "forEach",
              readOnly: true,
              scrollIntoView: "animate",
              aceCommandGroup: "fileJump"
          }, {
              name: "gotostart",
              description: "Go to start",
              bindKey: bindKey("gotostart"),
              exec: function (editor) {
                  editor.navigateFileStart();
              },
              multiSelectAction: "forEach",
              readOnly: true,
              scrollIntoView: "animate",
              aceCommandGroup: "fileJump"
          }, {
              name: "selectup",
              description: "Select up",
              bindKey: bindKey("selectup"),
              exec: function (editor) {
                  editor.getSelection().selectUp();
              },
              multiSelectAction: "forEach",
              scrollIntoView: "cursor",
              readOnly: true
          }, {
              name: "golineup",
              description: "Go line up",
              bindKey: bindKey("golineup"),
              exec: function (editor, args) {
                  editor.navigateUp(args.times);
              },
              multiSelectAction: "forEach",
              scrollIntoView: "cursor",
              readOnly: true
          }, {
              name: "selecttoend",
              description: "Select to end",
              bindKey: bindKey("selecttoend"),
              exec: function (editor) {
                  editor.getSelection().selectFileEnd();
              },
              multiSelectAction: "forEach",
              readOnly: true,
              scrollIntoView: "animate",
              aceCommandGroup: "fileJump"
          }, {
              name: "gotoend",
              description: "Go to end",
              bindKey: bindKey("gotoend"),
              exec: function (editor) {
                  editor.navigateFileEnd();
              },
              multiSelectAction: "forEach",
              readOnly: true,
              scrollIntoView: "animate",
              aceCommandGroup: "fileJump"
          }, {
              name: "selectdown",
              description: "Select down",
              bindKey: bindKey("selectdown"),
              exec: function (editor) {
                  editor.getSelection().selectDown();
              },
              multiSelectAction: "forEach",
              scrollIntoView: "cursor",
              readOnly: true
          }, {
              name: "golinedown",
              description: "Go line down",
              bindKey: bindKey("golinedown"),
              exec: function (editor, args) {
                  editor.navigateDown(args.times);
              },
              multiSelectAction: "forEach",
              scrollIntoView: "cursor",
              readOnly: true
          }, {
              name: "selectwordleft",
              description: "Select word left",
              bindKey: bindKey("selectwordleft"),
              exec: function (editor) {
                  editor.getSelection().selectWordLeft();
              },
              multiSelectAction: "forEach",
              scrollIntoView: "cursor",
              readOnly: true
          }, {
              name: "gotowordleft",
              description: "Go to word left",
              bindKey: bindKey("gotowordleft"),
              exec: function (editor) {
                  editor.navigateWordLeft();
              },
              multiSelectAction: "forEach",
              scrollIntoView: "cursor",
              readOnly: true
          }, {
              name: "selecttolinestart",
              description: "Select to line start",
              bindKey: bindKey("selecttolinestart"),
              exec: function (editor) {
                  editor.getSelection().selectLineStart();
              },
              multiSelectAction: "forEach",
              scrollIntoView: "cursor",
              readOnly: true
          }, {
              name: "gotolinestart",
              description: "Go to line start",
              bindKey: bindKey("gotolinestart"),
              exec: function (editor) {
                  editor.navigateLineStart();
              },
              multiSelectAction: "forEach",
              scrollIntoView: "cursor",
              readOnly: true
          }, {
              name: "selectleft",
              description: "Select left",
              bindKey: bindKey("selectleft"),
              exec: function (editor) {
                  editor.getSelection().selectLeft();
              },
              multiSelectAction: "forEach",
              scrollIntoView: "cursor",
              readOnly: true
          }, {
              name: "gotoleft",
              description: "Go to left",
              bindKey: bindKey("gotoleft"),
              exec: function (editor, args) {
                  editor.navigateLeft(args.times);
              },
              multiSelectAction: "forEach",
              scrollIntoView: "cursor",
              readOnly: true
          }, {
              name: "selectwordright",
              description: "Select word right",
              bindKey: bindKey("selectwordright"),
              exec: function (editor) {
                  editor.getSelection().selectWordRight();
              },
              multiSelectAction: "forEach",
              scrollIntoView: "cursor",
              readOnly: true
          }, {
              name: "gotowordright",
              description: "Go to word right",
              bindKey: bindKey("gotowordright"),
              exec: function (editor) {
                  editor.navigateWordRight();
              },
              multiSelectAction: "forEach",
              scrollIntoView: "cursor",
              readOnly: true
          }, {
              name: "selecttolineend",
              description: "Select to line end",
              bindKey: bindKey("selecttolineend"),
              exec: function (editor) {
                  editor.getSelection().selectLineEnd();
              },
              multiSelectAction: "forEach",
              scrollIntoView: "cursor",
              readOnly: true
          }, {
              name: "gotolineend",
              description: "Go to line end",
              bindKey: bindKey("gotolineend"),
              exec: function (editor) {
                  editor.navigateLineEnd();
              },
              multiSelectAction: "forEach",
              scrollIntoView: "cursor",
              readOnly: true
          }, {
              name: "selectright",
              description: "Select right",
              bindKey: bindKey("selectright"),
              exec: function (editor) {
                  editor.getSelection().selectRight();
              },
              multiSelectAction: "forEach",
              scrollIntoView: "cursor",
              readOnly: true
          }, {
              name: "gotoright",
              description: "Go to right",
              bindKey: bindKey("gotoright"),
              exec: function (editor, args) {
                  editor.navigateRight(args.times);
              },
              multiSelectAction: "forEach",
              scrollIntoView: "cursor",
              readOnly: true
          }, {
              name: "selectpagedown",
              description: "Select page down",
              bindKey: bindKey("selectpagedown"),
              exec: function (editor) {
                  editor.selectPageDown();
              },
              readOnly: true
          }, {
              name: "pagedown",
              description: "Page down",
              bindKey: bindKey("pagedown"),
              exec: function (editor) {
                  editor.scrollPageDown();
              },
              readOnly: true
          }, {
              name: "gotopagedown",
              description: "Go to page down",
              bindKey: bindKey("gotopagedown"),
              exec: function (editor) {
                  editor.gotoPageDown();
              },
              readOnly: true
          }, {
              name: "selectpageup",
              description: "Select page up",
              bindKey: bindKey("selectpageup"),
              exec: function (editor) {
                  editor.selectPageUp();
              },
              readOnly: true
          }, {
              name: "pageup",
              description: "Page up",
              bindKey: bindKey("pageup"),
              exec: function (editor) {
                  editor.scrollPageUp();
              },
              readOnly: true
          }, {
              name: "gotopageup",
              description: "Go to page up",
              bindKey: bindKey("gotopageup"),
              exec: function (editor) {
                  editor.gotoPageUp();
              },
              readOnly: true
          }, {
              name: "scrollup",
              description: "Scroll up",
              bindKey: bindKey("scrollup"),
              exec: function (e) {
                  e.renderer.scrollBy(0, -2 * e.renderer.layerConfig.lineHeight);
              },
              readOnly: true
          }, {
              name: "scrolldown",
              description: "Scroll down",
              bindKey: bindKey("scrolldown"),
              exec: function (e) {
                  e.renderer.scrollBy(0, 2 * e.renderer.layerConfig.lineHeight);
              },
              readOnly: true
          }, {
              name: "selectlinestart",
              description: "Select line start",
              bindKey: bindKey("selectlinestart"),
              exec: function (editor) {
                  editor.getSelection().selectLineStart();
              },
              multiSelectAction: "forEach",
              scrollIntoView: "cursor",
              readOnly: true
          }, {
              name: "selectlineend",
              description: "Select line end",
              bindKey: bindKey("selectlineend"),
              exec: function (editor) {
                  editor.getSelection().selectLineEnd();
              },
              multiSelectAction: "forEach",
              scrollIntoView: "cursor",
              readOnly: true
          }, {
              name: "togglerecording",
              description: "Toggle recording",
              bindKey: bindKey("togglerecording"),
              exec: function (editor) {
                  editor.commands.toggleRecording(editor);
              },
              readOnly: true
          }, {
              name: "replaymacro",
              description: "Replay macro",
              bindKey: bindKey("replaymacro"),
              exec: function (editor) {
                  editor.commands.replay(editor);
              },
              readOnly: true
          }, {
              name: "jumptomatching",
              description: "Jump to matching",
              bindKey: bindKey("jumptomatching"),
              exec: function (editor) {
                  editor.jumpToMatching();
              },
              multiSelectAction: "forEach",
              scrollIntoView: "animate",
              readOnly: true
          }, {
              name: "selecttomatching",
              description: "Select to matching",
              bindKey: bindKey("selecttomatching"),
              exec: function (editor) {
                  editor.jumpToMatching(true);
              },
              multiSelectAction: "forEach",
              scrollIntoView: "animate",
              readOnly: true
          }, {
              name: "expandToMatching",
              description: "Expand to matching",
              bindKey: bindKey("expandToMatching"),
              exec: function (editor) {
                  editor.jumpToMatching(true, true);
              },
              multiSelectAction: "forEach",
              scrollIntoView: "animate",
              readOnly: true
          }, {
              name: "copy",
              description: "Copy",
              exec: function (editor) {},
              readOnly: true
          },
          {
              name: "cut",
              description: "Cut",
              exec: function (editor) {
                  var cutLine = editor.$copyWithEmptySelection && editor.selection.isEmpty();
                  var range = cutLine ? editor.selection.getLineRange() : editor.selection.getRange();
                  editor._emit("cut", range);
                  if (!range.isEmpty())
                      editor.session.remove(range);
                  editor.clearSelection();
              },
              scrollIntoView: "cursor",
              multiSelectAction: "forEach"
          }, {
              name: "paste",
              description: "Paste",
              exec: function (editor, args) {
                  editor.$handlePaste(args);
              },
              scrollIntoView: "cursor"
          }, {
              name: "removeline",
              description: "Remove line",
              bindKey: bindKey("removeline"),
              exec: function (editor) {
                  editor.removeLines();
              },
              scrollIntoView: "cursor",
              multiSelectAction: "forEachLine"
          }, {
              name: "duplicateSelection",
              description: "Duplicate selection",
              bindKey: bindKey("duplicateSelection"),
              exec: function (editor) {
                  editor.duplicateSelection();
              },
              scrollIntoView: "cursor",
              multiSelectAction: "forEach"
          }, {
              name: "sortlines",
              description: "Sort lines",
              bindKey: bindKey("sortlines"),
              exec: function (editor) {
                  editor.sortLines();
              },
              scrollIntoView: "selection",
              multiSelectAction: "forEachLine"
          }, {
              name: "togglecomment",
              description: "Toggle comment",
              bindKey: bindKey("togglecomment"),
              exec: function (editor) {
                  editor.toggleCommentLines();
              },
              multiSelectAction: "forEachLine",
              scrollIntoView: "selectionPart"
          }, {
              name: "toggleBlockComment",
              description: "Toggle block comment",
              bindKey: bindKey("toggleBlockComment"),
              exec: function (editor) {
                  editor.toggleBlockComment();
              },
              multiSelectAction: "forEach",
              scrollIntoView: "selectionPart"
          }, {
              name: "modifyNumberUp",
              description: "Modify number up",
              bindKey: bindKey("modifyNumberUp"),
              exec: function (editor) {
                  editor.modifyNumber(1);
              },
              scrollIntoView: "cursor",
              multiSelectAction: "forEach"
          }, {
              name: "modifyNumberDown",
              description: "Modify number down",
              bindKey: bindKey("modifyNumberDown"),
              exec: function (editor) {
                  editor.modifyNumber(-1);
              },
              scrollIntoView: "cursor",
              multiSelectAction: "forEach"
          }, {
              name: "replace",
              description: "Replace",
              bindKey: bindKey("replace"),
              exec: function (editor) {
                  if (Acode) {
                      Acode.exec('replace');
                  }
              }
          }, {
              name: "undo",
              description: "Undo",
              bindKey: bindKey("undo"),
              exec: function (editor) {
                  editor.undo();
              }
          }, {
              name: "redo",
              description: "Redo",
              bindKey: bindKey("redo"),
              exec: function (editor) {
                  editor.redo();
              }
          }, {
              name: "copylinesup",
              description: "Copy lines up",
              bindKey: bindKey("copylinesup"),
              exec: function (editor) {
                  editor.copyLinesUp();
              },
              scrollIntoView: "cursor"
          }, {
              name: "movelinesup",
              description: "Move lines up",
              bindKey: bindKey("movelinesup"),
              exec: function (editor) {
                  editor.moveLinesUp();
              },
              scrollIntoView: "cursor"
          }, {
              name: "copylinesdown",
              description: "Copy lines down",
              bindKey: bindKey("copylinesdown"),
              exec: function (editor) {
                  editor.copyLinesDown();
              },
              scrollIntoView: "cursor"
          }, {
              name: "movelinesdown",
              description: "Move lines down",
              bindKey: bindKey("movelinesdown"),
              exec: function (editor) {
                  editor.moveLinesDown();
              },
              scrollIntoView: "cursor"
          }, {
              name: "del",
              description: "Delete",
              bindKey: bindKey("del"),
              exec: function (editor) {
                  editor.remove("right");
              },
              multiSelectAction: "forEach",
              scrollIntoView: "cursor"
          }, {
              name: "backspace",
              description: "Backspace",
              bindKey: bindKey("backspace"),
              exec: function (editor) {
                  editor.remove("left");
              },
              multiSelectAction: "forEach",
              scrollIntoView: "cursor"
          }, {
              name: "cut_or_delete",
              description: "Cut or delete",
              bindKey: bindKey("cut_or_delete"),
              exec: function (editor) {
                  if (editor.selection.isEmpty()) {
                      editor.remove("left");
                  } else {
                      return false;
                  }
              },
              multiSelectAction: "forEach",
              scrollIntoView: "cursor"
          }, {
              name: "removetolinestart",
              description: "Remove to line start",
              bindKey: bindKey("removetolinestart"),
              exec: function (editor) {
                  editor.removeToLineStart();
              },
              multiSelectAction: "forEach",
              scrollIntoView: "cursor"
          }, {
              name: "removetolineend",
              description: "Remove to line end",
              bindKey: bindKey("removetolineend"),
              exec: function (editor) {
                  editor.removeToLineEnd();
              },
              multiSelectAction: "forEach",
              scrollIntoView: "cursor"
          }, {
              name: "removetolinestarthard",
              description: "Remove to line start hard",
              bindKey: bindKey("removetolinestarthard"),
              exec: function (editor) {
                  var range = editor.selection.getRange();
                  range.start.column = 0;
                  editor.session.remove(range);
              },
              multiSelectAction: "forEach",
              scrollIntoView: "cursor"
          }, {
              name: "removetolineendhard",
              description: "Remove to line end hard",
              bindKey: bindKey("removetolineendhard"),
              exec: function (editor) {
                  var range = editor.selection.getRange();
                  range.end.column = Number.MAX_VALUE;
                  editor.session.remove(range);
              },
              multiSelectAction: "forEach",
              scrollIntoView: "cursor"
          }, {
              name: "removewordleft",
              description: "Remove word left",
              bindKey: bindKey("removewordleft"),
              exec: function (editor) {
                  editor.removeWordLeft();
              },
              multiSelectAction: "forEach",
              scrollIntoView: "cursor"
          }, {
              name: "removewordright",
              description: "Remove word right",
              bindKey: bindKey("removewordright"),
              exec: function (editor) {
                  editor.removeWordRight();
              },
              multiSelectAction: "forEach",
              scrollIntoView: "cursor"
          }, {
              name: "outdent",
              description: "Outdent",
              bindKey: bindKey("outdent"),
              exec: function (editor) {
                  editor.blockOutdent();
              },
              multiSelectAction: "forEach",
              scrollIntoView: "selectionPart"
          }, {
              name: "indent",
              description: "Indent",
              bindKey: bindKey("indent"),
              exec: function (editor) {
                  editor.indent();
              },
              multiSelectAction: "forEach",
              scrollIntoView: "selectionPart"
          }, {
              name: "blockoutdent",
              description: "Block outdent",
              bindKey: bindKey("blockoutdent"),
              exec: function (editor) {
                  editor.blockOutdent();
              },
              multiSelectAction: "forEachLine",
              scrollIntoView: "selectionPart"
          }, {
              name: "blockindent",
              description: "Block indent",
              bindKey: bindKey("blockindent"),
              exec: function (editor) {
                  editor.blockIndent();
              },
              multiSelectAction: "forEachLine",
              scrollIntoView: "selectionPart"
          }, {
              name: "insertstring",
              description: "Insert string",
              exec: function (editor, str) {
                  editor.insert(str);
              },
              multiSelectAction: "forEach",
              scrollIntoView: "cursor"
          }, {
              name: "inserttext",
              description: "Insert text",
              exec: function (editor, args) {
                  editor.insert(lang.stringRepeat(args.text || "", args.times || 1));
              },
              multiSelectAction: "forEach",
              scrollIntoView: "cursor"
          }, {
              name: "splitline",
              description: "Split line",
              bindKey: bindKey("splitline"),
              exec: function (editor) {
                  editor.splitLine();
              },
              multiSelectAction: "forEach",
              scrollIntoView: "cursor"
          }, {
              name: "transposeletters",
              description: "Transpose letters",
              bindKey: bindKey("transposeletters"),
              exec: function (editor) {
                  editor.transposeLetters();
              },
              multiSelectAction: function (editor) {
                  editor.transposeSelections(1);
              },
              scrollIntoView: "cursor"
          }, {
              name: "touppercase",
              description: "To uppercase",
              bindKey: bindKey("touppercase"),
              exec: function (editor) {
                  editor.toUpperCase();
              },
              multiSelectAction: "forEach",
              scrollIntoView: "cursor"
          }, {
              name: "tolowercase",
              description: "To lowercase",
              bindKey: bindKey("tolowercase"),
              exec: function (editor) {
                  editor.toLowerCase();
              },
              multiSelectAction: "forEach",
              scrollIntoView: "cursor"
          }, {
              name: "autoindent",
              description: "Auto Indent",
              bindKey: bindKey("autoindent"),
              exec: function (editor) {
                  editor.autoIndent();
              },
              multiSelectAction: "forEachLine",
              scrollIntoView: "animate"
          }, {
              name: "expandtoline",
              description: "Expand to line",
              bindKey: bindKey("expandtoline"),
              exec: function (editor) {
                  var range = editor.selection.getRange();
                  range.start.column = range.end.column = 0;
                  range.end.row++;
                  editor.selection.setRange(range, false);
              },
              multiSelectAction: "forEach",
              scrollIntoView: "cursor",
              readOnly: true
          }, {
              name: "joinlines",
              description: "Join lines",
              bindKey: bindKey("joinlines"),
              exec: function (editor) {
                  var isBackwards = editor.selection.isBackwards();
                  var selectionStart = isBackwards ? editor.selection.getSelectionLead() : editor.selection.getSelectionAnchor();
                  var selectionEnd = isBackwards ? editor.selection.getSelectionAnchor() : editor.selection.getSelectionLead();
                  var firstLineEndCol = editor.session.doc.getLine(selectionStart.row).length;
                  var selectedText = editor.session.doc.getTextRange(editor.selection.getRange());
                  var selectedCount = selectedText.replace(/\n\s*/, " ").length;
                  var insertLine = editor.session.doc.getLine(selectionStart.row);
                  for (var i = selectionStart.row + 1; i <= selectionEnd.row + 1; i++) {
                      var curLine = lang.stringTrimLeft(lang.stringTrimRight(editor.session.doc.getLine(i)));
                      if (curLine.length !== 0) {
                          curLine = " " + curLine;
                      }
                      insertLine += curLine;
                  }
                  if (selectionEnd.row + 1 < (editor.session.doc.getLength() - 1)) {
                      insertLine += editor.session.doc.getNewLineCharacter();
                  }
                  editor.clearSelection();
                  editor.session.doc.replace(new Range(selectionStart.row, 0, selectionEnd.row + 2, 0), insertLine);
                  if (selectedCount > 0) {
                      editor.selection.moveCursorTo(selectionStart.row, selectionStart.column);
                      editor.selection.selectTo(selectionStart.row, selectionStart.column + selectedCount);
                  } else {
                      firstLineEndCol = editor.session.doc.getLine(selectionStart.row).length > firstLineEndCol ? (firstLineEndCol + 1) : firstLineEndCol;
                      editor.selection.moveCursorTo(selectionStart.row, firstLineEndCol);
                  }
              },
              multiSelectAction: "forEach",
              readOnly: true
          }, {
              name: "invertSelection",
              description: "Invert selection",
              bindKey: bindKey("invertSelection"),
              exec: function (editor) {
                  var endRow = editor.session.doc.getLength() - 1;
                  var endCol = editor.session.doc.getLine(endRow).length;
                  var ranges = editor.selection.rangeList.ranges;
                  var newRanges = [];
                  if (ranges.length < 1) {
                      ranges = [editor.selection.getRange()];
                  }
                  for (var i = 0; i < ranges.length; i++) {
                      if (i == (ranges.length - 1)) {
                          if (!(ranges[i].end.row === endRow && ranges[i].end.column === endCol)) {
                              newRanges.push(new Range(ranges[i].end.row, ranges[i].end.column, endRow, endCol));
                          }
                      }
                      if (i === 0) {
                          if (!(ranges[i].start.row === 0 && ranges[i].start.column === 0)) {
                              newRanges.push(new Range(0, 0, ranges[i].start.row, ranges[i].start.column));
                          }
                      } else {
                          newRanges.push(new Range(ranges[i - 1].end.row, ranges[i - 1].end.column, ranges[i].start.row, ranges[i].start.column));
                      }
                  }
                  editor.exitMultiSelectMode();
                  editor.clearSelection();
                  for (var i = 0; i < newRanges.length; i++) {
                      editor.selection.addRange(newRanges[i], false);
                  }
              },
              readOnly: true,
              scrollIntoView: "none"
          }, {
              name: "addLineAfter",
              exec: function (editor) {
                  editor.selection.clearSelection();
                  editor.navigateLineEnd();
                  editor.insert("\n");
              },
              multiSelectAction: "forEach",
              scrollIntoView: "cursor"
          }, {
              name: "addLineBefore",
              exec: function (editor) {
                  editor.selection.clearSelection();
                  var cursor = editor.getCursorPosition();
                  editor.selection.moveTo(cursor.row - 1, Number.MAX_VALUE);
                  editor.insert("\n");
                  if (cursor.row === 0) editor.navigateUp();
              },
              multiSelectAction: "forEach",
              scrollIntoView: "cursor"
          }, {
              name: "openCommandPallete",
              description: "Open command pallete",
              bindKey: bindKey("openCommandPallete"),
              exec: function (editor) {
                  editor.prompt({
                      $type: "commands"
                  });
              },
              readOnly: true
          }, {
              name: "modeSelect",
              description: "Change language mode...",
              bindKey: bindKey("modeSelect"),
              exec: function () {
                  Acode.exec("syntax");
              },
              readOnly: true
          }
      ];
  });
  
  define("ace/editor", ["require", "exports", "module", "ace/lib/fixoldbrowsers", "ace/lib/oop", "ace/lib/dom", "ace/lib/lang", "ace/lib/useragent", "ace/keyboard/textinput", "ace/mouse/mouse_handler", "ace/mouse/fold_handler", "ace/keyboard/keybinding", "ace/edit_session", "ace/search", "ace/range", "ace/lib/event_emitter", "ace/commands/command_manager", "ace/commands/default_commands", "ace/config", "ace/token_iterator", "ace/clipboard"], function (require, exports, module) {
      "use strict";
  
      require("./lib/fixoldbrowsers");
  
      var oop = require("./lib/oop");
      var dom = require("./lib/dom");
      var lang = require("./lib/lang");
      var useragent = require("./lib/useragent");
      var TextInput = require("./keyboard/textinput").TextInput;
      var MouseHandler = require("./mouse/mouse_handler").MouseHandler;
      var FoldHandler = require("./mouse/fold_handler").FoldHandler;
      var KeyBinding = require("./keyboard/keybinding").KeyBinding;
      var EditSession = require("./edit_session").EditSession;
      var Search = require("./search").Search;
      var Range = require("./range").Range;
      var EventEmitter = require("./lib/event_emitter").EventEmitter;
      var CommandManager = require("./commands/command_manager").CommandManager;
      var defaultCommands = require("./commands/default_commands").commands;
      var config = require("./config");
      var TokenIterator = require("./token_iterator").TokenIterator;
  
      var clipboard = require("./clipboard");
      var Editor = function (renderer, session, options) {
          this.$toDestroy = [];
          var container = renderer.getContainerElement();
          this.container = container;
          this.renderer = renderer;
          this.id = "editor" + (++Editor.$uid);
  
          this.commands = new CommandManager(useragent.isMac ? "mac" : "win", defaultCommands);
          if (typeof document == "object") {
              this.textInput = new TextInput(renderer.getTextAreaContainer(), this);
              this.renderer.textarea = this.textInput.getElement();
              this.$mouseHandler = new MouseHandler(this);
              new FoldHandler(this);
          }
  
          this.keyBinding = new KeyBinding(this);
  
          this.$search = new Search().set({
              wrap: true
          });
  
          this.$historyTracker = this.$historyTracker.bind(this);
          this.commands.on("exec", this.$historyTracker);
  
          this.$initOperationListeners();
  
          this._$emitInputEvent = lang.delayedCall(function () {
              this._signal("input", {});
              if (this.session && this.session.bgTokenizer)
                  this.session.bgTokenizer.scheduleStart();
          }.bind(this));
  
          this.on("change", function (_, _self) {
              _self._$emitInputEvent.schedule(31);
          });
  
          this.setSession(session || options && options.session || new EditSession(""));
          config.resetOptions(this);
          if (options)
              this.setOptions(options);
          config._signal("editor", this);
      };
  
      Editor.$uid = 0;
  
      (function () {
  
          oop.implement(this, EventEmitter);
  
          this.$initOperationListeners = function () {
              this.commands.on("exec", this.startOperation.bind(this), true);
              this.commands.on("afterExec", this.endOperation.bind(this), true);
  
              this.$opResetTimer = lang.delayedCall(this.endOperation.bind(this, true));
              this.on("change", function () {
                  if (!this.curOp) {
                      this.startOperation();
                      this.curOp.selectionBefore = this.$lastSel;
                  }
                  this.curOp.docChanged = true;
              }.bind(this), true);
  
              this.on("changeSelection", function () {
                  if (!this.curOp) {
                      this.startOperation();
                      this.curOp.selectionBefore = this.$lastSel;
                  }
                  this.curOp.selectionChanged = true;
              }.bind(this), true);
          };
  
          this.curOp = null;
          this.prevOp = {};
          this.startOperation = function (commandEvent) {
              if (this.curOp) {
                  if (!commandEvent || this.curOp.command)
                      return;
                  this.prevOp = this.curOp;
              }
              if (!commandEvent) {
                  this.previousCommand = null;
                  commandEvent = {};
              }
  
              this.$opResetTimer.schedule();
              this.curOp = this.session.curOp = {
                  command: commandEvent.command || {},
                  args: commandEvent.args,
                  scrollTop: this.renderer.scrollTop
              };
              this.curOp.selectionBefore = this.selection.toJSON();
          };
  
          this.endOperation = function (e) {
              if (this.curOp && this.session) {
                  if (e && e.returnValue === false || !this.session)
                      return (this.curOp = null);
                  if (e == true && this.curOp.command && this.curOp.command.name == "mouse")
                      return;
                  this._signal("beforeEndOperation");
                  if (!this.curOp) return;
                  var command = this.curOp.command;
                  var scrollIntoView = command && command.scrollIntoView;
                  if (scrollIntoView) {
                      switch (scrollIntoView) {
                          case "center-animate":
                              scrollIntoView = "animate";
                          case "center":
                              this.renderer.scrollCursorIntoView(null, 0.5);
                              break;
                          case "animate":
                          case "cursor":
                              this.renderer.scrollCursorIntoView();
                              break;
                          case "selectionPart":
                              var range = this.selection.getRange();
                              var config = this.renderer.layerConfig;
                              if (range.start.row >= config.lastRow || range.end.row <= config.firstRow) {
                                  this.renderer.scrollSelectionIntoView(this.selection.anchor, this.selection.lead);
                              }
                              break;
                          default:
                              break;
                      }
                      if (scrollIntoView == "animate")
                          this.renderer.animateScrolling(this.curOp.scrollTop);
                  }
                  var sel = this.selection.toJSON();
                  this.curOp.selectionAfter = sel;
                  this.$lastSel = this.selection.toJSON();
                  this.session.getUndoManager().addSelection(sel);
                  this.prevOp = this.curOp;
                  this.curOp = null;
              }
          };
          this.$mergeableCommands = ["backspace", "del", "insertstring"];
          this.$historyTracker = function (e) {
              if (!this.$mergeUndoDeltas)
                  return;
  
              var prev = this.prevOp;
              var mergeableCommands = this.$mergeableCommands;
              var shouldMerge = prev.command && (e.command.name == prev.command.name);
              if (e.command.name == "insertstring") {
                  var text = e.args;
                  if (this.mergeNextCommand === undefined)
                      this.mergeNextCommand = true;
  
                  shouldMerge = shouldMerge &&
                      this.mergeNextCommand // previous command allows to coalesce with
                      &&
                      (!/\s/.test(text) || /\s/.test(prev.args)); // previous insertion was of same type
  
                  this.mergeNextCommand = true;
              } else {
                  shouldMerge = shouldMerge &&
                      mergeableCommands.indexOf(e.command.name) !== -1; // the command is mergeable
              }
  
              if (
                  this.$mergeUndoDeltas != "always" &&
                  Date.now() - this.sequenceStartTime > 2000
              ) {
                  shouldMerge = false; // the sequence is too long
              }
  
              if (shouldMerge)
                  this.session.mergeUndoDeltas = true;
              else if (mergeableCommands.indexOf(e.command.name) !== -1)
                  this.sequenceStartTime = Date.now();
          };
          this.setKeyboardHandler = function (keyboardHandler, cb) {
              if (keyboardHandler && typeof keyboardHandler === "string" && keyboardHandler != "ace") {
                  this.$keybindingId = keyboardHandler;
                  var _self = this;
                  config.loadModule(["keybinding", keyboardHandler], function (module) {
                      if (_self.$keybindingId == keyboardHandler)
                          _self.keyBinding.setKeyboardHandler(module && module.handler);
                      cb && cb();
                  });
              } else {
                  this.$keybindingId = null;
                  this.keyBinding.setKeyboardHandler(keyboardHandler);
                  cb && cb();
              }
          };
          this.getKeyboardHandler = function () {
              return this.keyBinding.getKeyboardHandler();
          };
          this.setSession = function (session) {
              if (this.session == session)
                  return;
              if (this.curOp) this.endOperation();
              this.curOp = {};
  
              var oldSession = this.session;
              if (oldSession) {
                  this.session.off("change", this.$onDocumentChange);
                  this.session.off("changeMode", this.$onChangeMode);
                  this.session.off("tokenizerUpdate", this.$onTokenizerUpdate);
                  this.session.off("changeTabSize", this.$onChangeTabSize);
                  this.session.off("changeWrapLimit", this.$onChangeWrapLimit);
                  this.session.off("changeWrapMode", this.$onChangeWrapMode);
                  this.session.off("changeFold", this.$onChangeFold);
                  this.session.off("changeFrontMarker", this.$onChangeFrontMarker);
                  this.session.off("changeBackMarker", this.$onChangeBackMarker);
                  this.session.off("changeBreakpoint", this.$onChangeBreakpoint);
                  this.session.off("changeAnnotation", this.$onChangeAnnotation);
                  this.session.off("changeOverwrite", this.$onCursorChange);
                  this.session.off("changeScrollTop", this.$onScrollTopChange);
                  this.session.off("changeScrollLeft", this.$onScrollLeftChange);
  
                  var selection = this.session.getSelection();
                  selection.off("changeCursor", this.$onCursorChange);
                  selection.off("changeSelection", this.$onSelectionChange);
              }
  
              this.session = session;
              if (session) {
                  this.$onDocumentChange = this.onDocumentChange.bind(this);
                  session.on("change", this.$onDocumentChange);
                  this.renderer.setSession(session);
  
                  this.$onChangeMode = this.onChangeMode.bind(this);
                  session.on("changeMode", this.$onChangeMode);
  
                  this.$onTokenizerUpdate = this.onTokenizerUpdate.bind(this);
                  session.on("tokenizerUpdate", this.$onTokenizerUpdate);
  
                  this.$onChangeTabSize = this.renderer.onChangeTabSize.bind(this.renderer);
                  session.on("changeTabSize", this.$onChangeTabSize);
  
                  this.$onChangeWrapLimit = this.onChangeWrapLimit.bind(this);
                  session.on("changeWrapLimit", this.$onChangeWrapLimit);
  
                  this.$onChangeWrapMode = this.onChangeWrapMode.bind(this);
                  session.on("changeWrapMode", this.$onChangeWrapMode);
  
                  this.$onChangeFold = this.onChangeFold.bind(this);
                  session.on("changeFold", this.$onChangeFold);
  
                  this.$onChangeFrontMarker = this.onChangeFrontMarker.bind(this);
                  this.session.on("changeFrontMarker", this.$onChangeFrontMarker);
  
                  this.$onChangeBackMarker = this.onChangeBackMarker.bind(this);
                  this.session.on("changeBackMarker", this.$onChangeBackMarker);
  
                  this.$onChangeBreakpoint = this.onChangeBreakpoint.bind(this);
                  this.session.on("changeBreakpoint", this.$onChangeBreakpoint);
  
                  this.$onChangeAnnotation = this.onChangeAnnotation.bind(this);
                  this.session.on("changeAnnotation", this.$onChangeAnnotation);
  
                  this.$onCursorChange = this.onCursorChange.bind(this);
                  this.session.on("changeOverwrite", this.$onCursorChange);
  
                  this.$onScrollTopChange = this.onScrollTopChange.bind(this);
                  this.session.on("changeScrollTop", this.$onScrollTopChange);
  
                  this.$onScrollLeftChange = this.onScrollLeftChange.bind(this);
                  this.session.on("changeScrollLeft", this.$onScrollLeftChange);
  
                  this.selection = session.getSelection();
                  this.selection.on("changeCursor", this.$onCursorChange);
  
                  this.$onSelectionChange = this.onSelectionChange.bind(this);
                  this.selection.on("changeSelection", this.$onSelectionChange);
  
                  this.onChangeMode();
  
                  this.onCursorChange();
  
                  this.onScrollTopChange();
                  this.onScrollLeftChange();
                  this.onSelectionChange();
                  this.onChangeFrontMarker();
                  this.onChangeBackMarker();
                  this.onChangeBreakpoint();
                  this.onChangeAnnotation();
                  this.session.getUseWrapMode() && this.renderer.adjustWrapLimit();
                  this.renderer.updateFull();
              } else {
                  this.selection = null;
                  this.renderer.setSession(session);
              }
  
              this._signal("changeSession", {
                  session: session,
                  oldSession: oldSession
              });
  
              this.curOp = null;
  
              oldSession && oldSession._signal("changeEditor", {
                  oldEditor: this
              });
              session && session._signal("changeEditor", {
                  editor: this
              });
  
              if (session && session.bgTokenizer)
                  session.bgTokenizer.scheduleStart();
          };
          this.getSession = function () {
              return this.session;
          };
          this.setValue = function (val, cursorPos) {
              this.session.doc.setValue(val);
  
              if (!cursorPos)
                  this.selectAll();
              else if (cursorPos == 1)
                  this.navigateFileEnd();
              else if (cursorPos == -1)
                  this.navigateFileStart();
  
              return val;
          };
          this.getValue = function () {
              return this.session.getValue();
          };
          this.getSelection = function () {
              return this.selection;
          };
          this.resize = function (force) {
              this.renderer.onResize(force);
          };
          this.setTheme = function (theme, cb) {
              this.renderer.setTheme(theme, cb);
          };
          this.getTheme = function () {
              return this.renderer.getTheme();
          };
          this.setStyle = function (style) {
              this.renderer.setStyle(style);
          };
          this.unsetStyle = function (style) {
              this.renderer.unsetStyle(style);
          };
          this.getFontSize = function () {
              return this.getOption("fontSize") ||
                  dom.computedStyle(this.container).fontSize;
          };
          this.setFontSize = function (size) {
              this.setOption("fontSize", size);
          };
  
          this.$highlightBrackets = function () {
              if (this.$highlightPending) {
                  return;
              }
              var self = this;
              this.$highlightPending = true;
              setTimeout(function () {
                  self.$highlightPending = false;
                  var session = self.session;
                  if (!session || !session.bgTokenizer) return;
                  if (session.$bracketHighlight) {
                      session.$bracketHighlight.markerIds.forEach(function (id) {
                          session.removeMarker(id);
                      });
                      session.$bracketHighlight = null;
                  }
                  var ranges = session.getMatchingBracketRanges(self.getCursorPosition());
                  if (!ranges && session.$mode.getMatching)
                      ranges = session.$mode.getMatching(self.session);
                  if (!ranges)
                      return;
  
                  var markerType = "ace_bracket";
                  if (!Array.isArray(ranges)) {
                      ranges = [ranges];
                  } else if (ranges.length == 1) {
                      markerType = "ace_error_bracket";
                  }
                  if (ranges.length == 2) {
                      if (Range.comparePoints(ranges[0].end, ranges[1].start) == 0)
                          ranges = [Range.fromPoints(ranges[0].start, ranges[1].end)];
                      else if (Range.comparePoints(ranges[0].start, ranges[1].end) == 0)
                          ranges = [Range.fromPoints(ranges[1].start, ranges[0].end)];
                  }
  
                  session.$bracketHighlight = {
                      ranges: ranges,
                      markerIds: ranges.map(function (range) {
                          return session.addMarker(range, markerType, "text");
                      })
                  };
              }, 50);
          };
          this.$highlightTags = function () {
              if (this.$highlightTagPending)
                  return;
              var self = this;
              this.$highlightTagPending = true;
              setTimeout(function () {
                  self.$highlightTagPending = false;
  
                  var session = self.session;
                  if (!session || !session.bgTokenizer) return;
  
                  var pos = self.getCursorPosition();
                  var iterator = new TokenIterator(self.session, pos.row, pos.column);
                  var token = iterator.getCurrentToken();
  
                  if (!token || !/\b(?:tag-open|tag-name)/.test(token.type)) {
                      session.removeMarker(session.$tagHighlight);
                      session.$tagHighlight = null;
                      return;
                  }
  
                  if (token.type.indexOf("tag-open") !== -1) {
                      token = iterator.stepForward();
                      if (!token)
                          return;
                  }
  
                  var tag = token.value;
                  var currentTag = token.value;
                  var depth = 0;
                  var prevToken = iterator.stepBackward();
  
                  if (prevToken.value === '<') {
                      do {
                          prevToken = token;
                          token = iterator.stepForward();
  
                          if (token) {
                              if (token.type.indexOf('tag-name') !== -1) {
                                  currentTag = token.value;
                                  if (tag === currentTag) {
                                      if (prevToken.value === '<') {
                                          depth++;
                                      } else if (prevToken.value === '</') {
                                          depth--;
                                      }
                                  }
                              } else if (tag === currentTag && token.value === '/>') { // self closing tag
                                  depth--;
                              }
                          }
  
                      } while (token && depth >= 0);
                  } else {
                      do {
                          token = prevToken;
                          prevToken = iterator.stepBackward();
  
                          if (token) {
                              if (token.type.indexOf('tag-name') !== -1) {
                                  if (tag === token.value) {
                                      if (prevToken.value === '<') {
                                          depth++;
                                      } else if (prevToken.value === '</') {
                                          depth--;
                                      }
                                  }
                              } else if (token.value === '/>') { // self closing tag
                                  var stepCount = 0;
                                  var tmpToken = prevToken;
                                  while (tmpToken) {
                                      if (tmpToken.type.indexOf('tag-name') !== -1 && tmpToken.value === tag) {
                                          depth--;
                                          break;
                                      } else if (tmpToken.value === '<') {
                                          break;
                                      }
                                      tmpToken = iterator.stepBackward();
                                      stepCount++;
                                  }
                                  for (var i = 0; i < stepCount; i++) {
                                      iterator.stepForward();
                                  }
                              }
                          }
                      } while (prevToken && depth <= 0);
                      iterator.stepForward();
                  }
  
                  if (!token) {
                      session.removeMarker(session.$tagHighlight);
                      session.$tagHighlight = null;
                      return;
                  }
  
                  var row = iterator.getCurrentTokenRow();
                  var column = iterator.getCurrentTokenColumn();
                  var range = new Range(row, column, row, column + token.value.length);
                  var sbm = session.$backMarkers[session.$tagHighlight];
                  if (session.$tagHighlight && sbm != undefined && range.compareRange(sbm.range) !== 0) {
                      session.removeMarker(session.$tagHighlight);
                      session.$tagHighlight = null;
                  }
  
                  if (!session.$tagHighlight)
                      session.$tagHighlight = session.addMarker(range, "ace_bracket", "text");
              }, 50);
          };
          this.focus = function () {
              var _self = this;
              setTimeout(function () {
                  if (!_self.isFocused())
                      _self.textInput.focus();
              });
              this.textInput.focus();
          };
          this.isFocused = function () {
              return this.textInput.isFocused();
          };
          this.blur = function () {
              this.textInput.blur();
          };
          this.onFocus = function (e) {
              if (this.$isFocused)
                  return;
              this.$isFocused = true;
              this.renderer.showCursor();
              this.renderer.visualizeFocus();
              this._emit("focus", e);
          };
          this.onBlur = function (e) {
              if (!this.$isFocused)
                  return;
              this.$isFocused = false;
              this.renderer.hideCursor();
              this.renderer.visualizeBlur();
              this._emit("blur", e);
          };
  
          this.$cursorChange = function () {
              this.renderer.updateCursor();
              this.$highlightBrackets();
              this.$highlightTags();
              this.$updateHighlightActiveLine();
          };
          this.onDocumentChange = function (delta) {
              var wrap = this.session.$useWrapMode;
              var lastRow = (delta.start.row == delta.end.row ? delta.end.row : Infinity);
              this.renderer.updateLines(delta.start.row, lastRow, wrap);
  
              this._signal("change", delta);
              this.$cursorChange();
          };
  
          this.onTokenizerUpdate = function (e) {
              var rows = e.data;
              this.renderer.updateLines(rows.first, rows.last);
          };
  
  
          this.onScrollTopChange = function () {
              this.renderer.scrollToY(this.session.getScrollTop());
          };
  
          this.onScrollLeftChange = function () {
              this.renderer.scrollToX(this.session.getScrollLeft());
          };
          this.onCursorChange = function () {
              this.$cursorChange();
              this._signal("changeSelection");
          };
  
          this.$updateHighlightActiveLine = function () {
              var session = this.getSession();
  
              var highlight;
              if (this.$highlightActiveLine) {
                  if (this.$selectionStyle != "line" || !this.selection.isMultiLine())
                      highlight = this.getCursorPosition();
                  if (this.renderer.theme && this.renderer.theme.$selectionColorConflict && !this.selection.isEmpty())
                      highlight = false;
                  if (this.renderer.$maxLines && this.session.getLength() === 1 && !(this.renderer.$minLines > 1))
                      highlight = false;
              }
  
              if (session.$highlightLineMarker && !highlight) {
                  session.removeMarker(session.$highlightLineMarker.id);
                  session.$highlightLineMarker = null;
              } else if (!session.$highlightLineMarker && highlight) {
                  var range = new Range(highlight.row, highlight.column, highlight.row, Infinity);
                  range.id = session.addMarker(range, "ace_active-line", "screenLine");
                  session.$highlightLineMarker = range;
              } else if (highlight) {
                  session.$highlightLineMarker.start.row = highlight.row;
                  session.$highlightLineMarker.end.row = highlight.row;
                  session.$highlightLineMarker.start.column = highlight.column;
                  session._signal("changeBackMarker");
              }
          };
  
          this.onSelectionChange = function (e) {
              var session = this.session;
  
              if (session.$selectionMarker) {
                  session.removeMarker(session.$selectionMarker);
              }
              session.$selectionMarker = null;
  
              if (!this.selection.isEmpty()) {
                  var range = this.selection.getRange();
                  var style = this.getSelectionStyle();
                  session.$selectionMarker = session.addMarker(range, "ace_selection", style);
              } else {
                  this.$updateHighlightActiveLine();
              }
  
              var re = this.$highlightSelectedWord && this.$getSelectionHighLightRegexp();
              this.session.highlight(re);
  
              this._signal("changeSelection");
          };
  
          this.$getSelectionHighLightRegexp = function () {
              var session = this.session;
  
              var selection = this.getSelectionRange();
              if (selection.isEmpty() || selection.isMultiLine())
                  return;
  
              var startColumn = selection.start.column;
              var endColumn = selection.end.column;
              var line = session.getLine(selection.start.row);
  
              var needle = line.substring(startColumn, endColumn);
              if (needle.length > 5000 || !/[\w\d]/.test(needle))
                  return;
  
              var re = this.$search.$assembleRegExp({
                  wholeWord: true,
                  caseSensitive: true,
                  needle: needle
              });
  
              var wordWithBoundary = line.substring(startColumn - 1, endColumn + 1);
              if (!re.test(wordWithBoundary))
                  return;
  
              return re;
          };
  
  
          this.onChangeFrontMarker = function () {
              this.renderer.updateFrontMarkers();
          };
  
          this.onChangeBackMarker = function () {
              this.renderer.updateBackMarkers();
          };
  
  
          this.onChangeBreakpoint = function () {
              this.renderer.updateBreakpoints();
          };
  
          this.onChangeAnnotation = function () {
              this.renderer.setAnnotations(this.session.getAnnotations());
          };
  
  
          this.onChangeMode = function (e) {
              this.renderer.updateText();
              this._emit("changeMode", e);
          };
  
  
          this.onChangeWrapLimit = function () {
              this.renderer.updateFull();
          };
  
          this.onChangeWrapMode = function () {
              this.renderer.onResize(true);
          };
  
  
          this.onChangeFold = function () {
              this.$updateHighlightActiveLine();
              this.renderer.updateFull();
          };
          this.getSelectedText = function () {
              return this.session.getTextRange(this.getSelectionRange());
          };
          this.getCopyText = function () {
              var text = this.getSelectedText();
              var nl = this.session.doc.getNewLineCharacter();
              var copyLine = false;
              if (!text && this.$copyWithEmptySelection) {
                  copyLine = true;
                  var ranges = this.selection.getAllRanges();
                  for (var i = 0; i < ranges.length; i++) {
                      var range = ranges[i];
                      if (i && ranges[i - 1].start.row == range.start.row)
                          continue;
                      text += this.session.getLine(range.start.row) + nl;
                  }
              }
              var e = {
                  text: text
              };
              this._signal("copy", e);
              clipboard.lineMode = copyLine ? e.text : "";
              return e.text;
          };
          this.onCopy = function () {
              this.commands.exec("copy", this);
          };
          this.onCut = function () {
              this.commands.exec("cut", this);
          };
          this.onPaste = function (text, event) {
              var e = {
                  text: text,
                  event: event
              };
              this.commands.exec("paste", this, e);
          };
  
          this.$handlePaste = function (e) {
              if (typeof e == "string")
                  e = {
                      text: e
                  };
              this._signal("paste", e);
              var text = e.text;
  
              var lineMode = text == clipboard.lineMode;
              var session = this.session;
              if (!this.inMultiSelectMode || this.inVirtualSelectionMode) {
                  if (lineMode)
                      session.insert({
                          row: this.selection.lead.row,
                          column: 0
                      }, text);
                  else
                      this.insert(text);
              } else if (lineMode) {
                  this.selection.rangeList.ranges.forEach(function (range) {
                      session.insert({
                          row: range.start.row,
                          column: 0
                      }, text);
                  });
              } else {
                  var lines = text.split(/\r\n|\r|\n/);
                  var ranges = this.selection.rangeList.ranges;
  
                  var isFullLine = lines.length == 2 && (!lines[0] || !lines[1]);
                  if (lines.length != ranges.length || isFullLine)
                      return this.commands.exec("insertstring", this, text);
  
                  for (var i = ranges.length; i--;) {
                      var range = ranges[i];
                      if (!range.isEmpty())
                          session.remove(range);
  
                      session.insert(range.start, lines[i]);
                  }
              }
          };
  
          this.execCommand = function (command, args) {
              return this.commands.exec(command, this, args);
          };
          this.insert = function (text, pasted) {
              var session = this.session;
              var mode = session.getMode();
              var cursor = this.getCursorPosition();
  
              if (this.getBehavioursEnabled() && !pasted) {
                  var transform = mode.transformAction(session.getState(cursor.row), 'insertion', this, session, text);
                  if (transform) {
                      if (text !== transform.text) {
                          if (!this.inVirtualSelectionMode) {
                              this.session.mergeUndoDeltas = false;
                              this.mergeNextCommand = false;
                          }
                      }
                      text = transform.text;
  
                  }
              }
  
              if (text == "\t")
                  text = this.session.getTabString();
              if (!this.selection.isEmpty()) {
                  var range = this.getSelectionRange();
                  cursor = this.session.remove(range);
                  this.clearSelection();
              } else if (this.session.getOverwrite() && text.indexOf("\n") == -1) {
                  var range = new Range.fromPoints(cursor, cursor);
                  range.end.column += text.length;
                  this.session.remove(range);
              }
  
              if (text == "\n" || text == "\r\n") {
                  var line = session.getLine(cursor.row);
                  if (cursor.column > line.search(/\S|$/)) {
                      var d = line.substr(cursor.column).search(/\S|$/);
                      session.doc.removeInLine(cursor.row, cursor.column, cursor.column + d);
                  }
              }
              this.clearSelection();
  
              var start = cursor.column;
              var lineState = session.getState(cursor.row);
              var line = session.getLine(cursor.row);
              var shouldOutdent = mode.checkOutdent(lineState, line, text);
              session.insert(cursor, text);
  
              if (transform && transform.selection) {
                  if (transform.selection.length == 2) { // Transform relative to the current column
                      this.selection.setSelectionRange(
                          new Range(cursor.row, start + transform.selection[0],
                              cursor.row, start + transform.selection[1]));
                  } else { // Transform relative to the current row.
                      this.selection.setSelectionRange(
                          new Range(cursor.row + transform.selection[0],
                              transform.selection[1],
                              cursor.row + transform.selection[2],
                              transform.selection[3]));
                  }
              }
              if (this.$enableAutoIndent) {
                  if (session.getDocument().isNewLine(text)) {
                      var lineIndent = mode.getNextLineIndent(lineState, line.slice(0, cursor.column), session.getTabString());
  
                      session.insert({
                          row: cursor.row + 1,
                          column: 0
                      }, lineIndent);
                  }
                  if (shouldOutdent)
                      mode.autoOutdent(lineState, session, cursor.row);
              }
          };
  
          this.autoIndent = function () {
              var session = this.session;
              var mode = session.getMode();
  
              var startRow, endRow;
              if (this.selection.isEmpty()) {
                  startRow = 0;
                  endRow = session.doc.getLength() - 1;
              } else {
                  var selectedRange = this.getSelectionRange();
  
                  startRow = selectedRange.start.row;
                  endRow = selectedRange.end.row;
              }
  
              var prevLineState = "";
              var prevLine = "";
              var lineIndent = "";
              var line, currIndent, range;
              var tab = session.getTabString();
  
              for (var row = startRow; row <= endRow; row++) {
                  if (row > 0) {
                      prevLineState = session.getState(row - 1);
                      prevLine = session.getLine(row - 1);
                      lineIndent = mode.getNextLineIndent(prevLineState, prevLine, tab);
                  }
  
                  line = session.getLine(row);
                  currIndent = mode.$getIndent(line);
                  if (lineIndent !== currIndent) {
                      if (currIndent.length > 0) {
                          range = new Range(row, 0, row, currIndent.length);
                          session.remove(range);
                      }
                      if (lineIndent.length > 0) {
                          session.insert({
                              row: row,
                              column: 0
                          }, lineIndent);
                      }
                  }
  
                  mode.autoOutdent(prevLineState, session, row);
              }
          };
  
  
          this.onTextInput = function (text, composition) {
              if (!composition)
                  return this.keyBinding.onTextInput(text);
  
              this.startOperation({
                  command: {
                      name: "insertstring"
                  }
              });
              var applyComposition = this.applyComposition.bind(this, text, composition);
              if (this.selection.rangeCount)
                  this.forEachSelection(applyComposition);
              else
                  applyComposition();
              this.endOperation();
          };
  
          this.applyComposition = function (text, composition) {
              if (composition.extendLeft || composition.extendRight) {
                  var r = this.selection.getRange();
                  r.start.column -= composition.extendLeft;
                  r.end.column += composition.extendRight;
                  if (r.start.column < 0) {
                      r.start.row--;
                      r.start.column += this.session.getLine(r.start.row).length + 1;
                  }
                  this.selection.setRange(r);
                  if (!text && !r.isEmpty())
                      this.remove();
              }
              if (text || !this.selection.isEmpty())
                  this.insert(text, true);
              if (composition.restoreStart || composition.restoreEnd) {
                  var r = this.selection.getRange();
                  r.start.column -= composition.restoreStart;
                  r.end.column -= composition.restoreEnd;
                  this.selection.setRange(r);
              }
          };
  
          this.onCommandKey = function (e, hashId, keyCode) {
              return this.keyBinding.onCommandKey(e, hashId, keyCode);
          };
          this.setOverwrite = function (overwrite) {
              this.session.setOverwrite(overwrite);
          };
          this.getOverwrite = function () {
              return this.session.getOverwrite();
          };
          this.toggleOverwrite = function () {
              this.session.toggleOverwrite();
          };
          this.setScrollSpeed = function (speed) {
              this.setOption("scrollSpeed", speed);
          };
          this.getScrollSpeed = function () {
              return this.getOption("scrollSpeed");
          };
          this.setDragDelay = function (dragDelay) {
              this.setOption("dragDelay", dragDelay);
          };
          this.getDragDelay = function () {
              return this.getOption("dragDelay");
          };
          this.setSelectionStyle = function (val) {
              this.setOption("selectionStyle", val);
          };
          this.getSelectionStyle = function () {
              return this.getOption("selectionStyle");
          };
          this.setHighlightActiveLine = function (shouldHighlight) {
              this.setOption("highlightActiveLine", shouldHighlight);
          };
          this.getHighlightActiveLine = function () {
              return this.getOption("highlightActiveLine");
          };
          this.setHighlightGutterLine = function (shouldHighlight) {
              this.setOption("highlightGutterLine", shouldHighlight);
          };
  
          this.getHighlightGutterLine = function () {
              return this.getOption("highlightGutterLine");
          };
          this.setHighlightSelectedWord = function (shouldHighlight) {
              this.setOption("highlightSelectedWord", shouldHighlight);
          };
          this.getHighlightSelectedWord = function () {
              return this.$highlightSelectedWord;
          };
  
          this.setAnimatedScroll = function (shouldAnimate) {
              this.renderer.setAnimatedScroll(shouldAnimate);
          };
  
          this.getAnimatedScroll = function () {
              return this.renderer.getAnimatedScroll();
          };
          this.setShowInvisibles = function (showInvisibles) {
              this.renderer.setShowInvisibles(showInvisibles);
          };
          this.getShowInvisibles = function () {
              return this.renderer.getShowInvisibles();
          };
  
          this.setDisplayIndentGuides = function (display) {
              this.renderer.setDisplayIndentGuides(display);
          };
  
          this.getDisplayIndentGuides = function () {
              return this.renderer.getDisplayIndentGuides();
          };
          this.setShowPrintMargin = function (showPrintMargin) {
              this.renderer.setShowPrintMargin(showPrintMargin);
          };
          this.getShowPrintMargin = function () {
              return this.renderer.getShowPrintMargin();
          };
          this.setPrintMarginColumn = function (showPrintMargin) {
              this.renderer.setPrintMarginColumn(showPrintMargin);
          };
          this.getPrintMarginColumn = function () {
              return this.renderer.getPrintMarginColumn();
          };
          this.setReadOnly = function (readOnly) {
              this.setOption("readOnly", readOnly);
          };
          this.getReadOnly = function () {
              return this.getOption("readOnly");
          };
          this.setBehavioursEnabled = function (enabled) {
              this.setOption("behavioursEnabled", enabled);
          };
          this.getBehavioursEnabled = function () {
              return this.getOption("behavioursEnabled");
          };
          this.setWrapBehavioursEnabled = function (enabled) {
              this.setOption("wrapBehavioursEnabled", enabled);
          };
          this.getWrapBehavioursEnabled = function () {
              return this.getOption("wrapBehavioursEnabled");
          };
          this.setShowFoldWidgets = function (show) {
              this.setOption("showFoldWidgets", show);
  
          };
          this.getShowFoldWidgets = function () {
              return this.getOption("showFoldWidgets");
          };
  
          this.setFadeFoldWidgets = function (fade) {
              this.setOption("fadeFoldWidgets", fade);
          };
  
          this.getFadeFoldWidgets = function () {
              return this.getOption("fadeFoldWidgets");
          };
          this.remove = function (dir) {
              if (this.selection.isEmpty()) {
                  if (dir == "left")
                      this.selection.selectLeft();
                  else
                      this.selection.selectRight();
              }
  
              var range = this.getSelectionRange();
              if (this.getBehavioursEnabled()) {
                  var session = this.session;
                  var state = session.getState(range.start.row);
                  var new_range = session.getMode().transformAction(state, 'deletion', this, session, range);
  
                  if (range.end.column === 0) {
                      var text = session.getTextRange(range);
                      if (text[text.length - 1] == "\n") {
                          var line = session.getLine(range.end.row);
                          if (/^\s+$/.test(line)) {
                              range.end.column = line.length;
                          }
                      }
                  }
                  if (new_range)
                      range = new_range;
              }
  
              this.session.remove(range);
              this.clearSelection();
          };
          this.removeWordRight = function () {
              if (this.selection.isEmpty())
                  this.selection.selectWordRight();
  
              this.session.remove(this.getSelectionRange());
              this.clearSelection();
          };
          this.removeWordLeft = function () {
              if (this.selection.isEmpty())
                  this.selection.selectWordLeft();
  
              this.session.remove(this.getSelectionRange());
              this.clearSelection();
          };
          this.removeToLineStart = function () {
              if (this.selection.isEmpty())
                  this.selection.selectLineStart();
              if (this.selection.isEmpty())
                  this.selection.selectLeft();
              this.session.remove(this.getSelectionRange());
              this.clearSelection();
          };
          this.removeToLineEnd = function () {
              if (this.selection.isEmpty())
                  this.selection.selectLineEnd();
  
              var range = this.getSelectionRange();
              if (range.start.column == range.end.column && range.start.row == range.end.row) {
                  range.end.column = 0;
                  range.end.row++;
              }
  
              this.session.remove(range);
              this.clearSelection();
          };
          this.splitLine = function () {
              if (!this.selection.isEmpty()) {
                  this.session.remove(this.getSelectionRange());
                  this.clearSelection();
              }
  
              var cursor = this.getCursorPosition();
              this.insert("\n");
              this.moveCursorToPosition(cursor);
          };
          this.transposeLetters = function () {
              if (!this.selection.isEmpty()) {
                  return;
              }
  
              var cursor = this.getCursorPosition();
              var column = cursor.column;
              if (column === 0)
                  return;
  
              var line = this.session.getLine(cursor.row);
              var swap, range;
              if (column < line.length) {
                  swap = line.charAt(column) + line.charAt(column - 1);
                  range = new Range(cursor.row, column - 1, cursor.row, column + 1);
              } else {
                  swap = line.charAt(column - 1) + line.charAt(column - 2);
                  range = new Range(cursor.row, column - 2, cursor.row, column);
              }
              this.session.replace(range, swap);
              this.session.selection.moveToPosition(range.end);
          };
          this.toLowerCase = function () {
              var originalRange = this.getSelectionRange();
              if (this.selection.isEmpty()) {
                  this.selection.selectWord();
              }
  
              var range = this.getSelectionRange();
              var text = this.session.getTextRange(range);
              this.session.replace(range, text.toLowerCase());
              this.selection.setSelectionRange(originalRange);
          };
          this.toUpperCase = function () {
              var originalRange = this.getSelectionRange();
              if (this.selection.isEmpty()) {
                  this.selection.selectWord();
              }
  
              var range = this.getSelectionRange();
              var text = this.session.getTextRange(range);
              this.session.replace(range, text.toUpperCase());
              this.selection.setSelectionRange(originalRange);
          };
          this.indent = function () {
              var session = this.session;
              var range = this.getSelectionRange();
  
              if (range.start.row < range.end.row) {
                  var rows = this.$getSelectedRows();
                  session.indentRows(rows.first, rows.last, "\t");
                  return;
              } else if (range.start.column < range.end.column) {
                  var text = session.getTextRange(range);
                  if (!/^\s+$/.test(text)) {
                      var rows = this.$getSelectedRows();
                      session.indentRows(rows.first, rows.last, "\t");
                      return;
                  }
              }
  
              var line = session.getLine(range.start.row);
              var position = range.start;
              var size = session.getTabSize();
              var column = session.documentToScreenColumn(position.row, position.column);
  
              if (this.session.getUseSoftTabs()) {
                  var count = (size - column % size);
                  var indentString = lang.stringRepeat(" ", count);
              } else {
                  var count = column % size;
                  while (line[range.start.column - 1] == " " && count) {
                      range.start.column--;
                      count--;
                  }
                  this.selection.setSelectionRange(range);
                  indentString = "\t";
              }
              return this.insert(indentString);
          };
          this.blockIndent = function () {
              var rows = this.$getSelectedRows();
              this.session.indentRows(rows.first, rows.last, "\t");
          };
          this.blockOutdent = function () {
              var selection = this.session.getSelection();
              this.session.outdentRows(selection.getRange());
          };
          this.sortLines = function () {
              var rows = this.$getSelectedRows();
              var session = this.session;
  
              var lines = [];
              for (var i = rows.first; i <= rows.last; i++)
                  lines.push(session.getLine(i));
  
              lines.sort(function (a, b) {
                  if (a.toLowerCase() < b.toLowerCase()) return -1;
                  if (a.toLowerCase() > b.toLowerCase()) return 1;
                  return 0;
              });
  
              var deleteRange = new Range(0, 0, 0, 0);
              for (var i = rows.first; i <= rows.last; i++) {
                  var line = session.getLine(i);
                  deleteRange.start.row = i;
                  deleteRange.end.row = i;
                  deleteRange.end.column = line.length;
                  session.replace(deleteRange, lines[i - rows.first]);
              }
          };
          this.toggleCommentLines = function () {
              var state = this.session.getState(this.getCursorPosition().row);
              var rows = this.$getSelectedRows();
              this.session.getMode().toggleCommentLines(state, this.session, rows.first, rows.last);
          };
  
          this.toggleBlockComment = function () {
              var cursor = this.getCursorPosition();
              var state = this.session.getState(cursor.row);
              var range = this.getSelectionRange();
              this.session.getMode().toggleBlockComment(state, this.session, range, cursor);
          };
          this.getNumberAt = function (row, column) {
              var _numberRx = /[\-]?[0-9]+(?:\.[0-9]+)?/g;
              _numberRx.lastIndex = 0;
  
              var s = this.session.getLine(row);
              while (_numberRx.lastIndex < column) {
                  var m = _numberRx.exec(s);
                  if (m.index <= column && m.index + m[0].length >= column) {
                      var number = {
                          value: m[0],
                          start: m.index,
                          end: m.index + m[0].length
                      };
                      return number;
                  }
              }
              return null;
          };
          this.modifyNumber = function (amount) {
              var row = this.selection.getCursor().row;
              var column = this.selection.getCursor().column;
              var charRange = new Range(row, column - 1, row, column);
  
              var c = this.session.getTextRange(charRange);
              if (!isNaN(parseFloat(c)) && isFinite(c)) {
                  var nr = this.getNumberAt(row, column);
                  if (nr) {
                      var fp = nr.value.indexOf(".") >= 0 ? nr.start + nr.value.indexOf(".") + 1 : nr.end;
                      var decimals = nr.start + nr.value.length - fp;
  
                      var t = parseFloat(nr.value);
                      t *= Math.pow(10, decimals);
  
  
                      if (fp !== nr.end && column < fp) {
                          amount *= Math.pow(10, nr.end - column - 1);
                      } else {
                          amount *= Math.pow(10, nr.end - column);
                      }
  
                      t += amount;
                      t /= Math.pow(10, decimals);
                      var nnr = t.toFixed(decimals);
                      var replaceRange = new Range(row, nr.start, row, nr.end);
                      this.session.replace(replaceRange, nnr);
                      this.moveCursorTo(row, Math.max(nr.start + 1, column + nnr.length - nr.value.length));
  
                  }
              } else {
                  this.toggleWord();
              }
          };
  
          this.$toggleWordPairs = [
              ["first", "last"],
              ["true", "false"],
              ["yes", "no"],
              ["width", "height"],
              ["top", "bottom"],
              ["right", "left"],
              ["on", "off"],
              ["x", "y"],
              ["get", "set"],
              ["max", "min"],
              ["horizontal", "vertical"],
              ["show", "hide"],
              ["add", "remove"],
              ["up", "down"],
              ["before", "after"],
              ["even", "odd"],
              ["in", "out"],
              ["inside", "outside"],
              ["next", "previous"],
              ["increase", "decrease"],
              ["attach", "detach"],
              ["&&", "||"],
              ["==", "!="]
          ];
  
          this.toggleWord = function () {
              var row = this.selection.getCursor().row;
              var column = this.selection.getCursor().column;
              this.selection.selectWord();
              var currentState = this.getSelectedText();
              var currWordStart = this.selection.getWordRange().start.column;
              var wordParts = currentState.replace(/([a-z]+|[A-Z]+)(?=[A-Z_]|$)/g, '$1 ').split(/\s/);
              var delta = column - currWordStart - 1;
              if (delta < 0) delta = 0;
              var curLength = 0,
                  itLength = 0;
              var that = this;
              if (currentState.match(/[A-Za-z0-9_]+/)) {
                  wordParts.forEach(function (item, i) {
                      itLength = curLength + item.length;
                      if (delta >= curLength && delta <= itLength) {
                          currentState = item;
                          that.selection.clearSelection();
                          that.moveCursorTo(row, curLength + currWordStart);
                          that.selection.selectTo(row, itLength + currWordStart);
                      }
                      curLength = itLength;
                  });
              }
  
              var wordPairs = this.$toggleWordPairs;
              var reg;
              for (var i = 0; i < wordPairs.length; i++) {
                  var item = wordPairs[i];
                  for (var j = 0; j <= 1; j++) {
                      var negate = +!j;
                      var firstCondition = currentState.match(new RegExp('^\\s?_?(' + lang.escapeRegExp(item[j]) + ')\\s?$', 'i'));
                      if (firstCondition) {
                          var secondCondition = currentState.match(new RegExp('([_]|^|\\s)(' + lang.escapeRegExp(firstCondition[1]) + ')($|\\s)', 'g'));
                          if (secondCondition) {
                              reg = currentState.replace(new RegExp(lang.escapeRegExp(item[j]), 'i'), function (result) {
                                  var res = item[negate];
                                  if (result.toUpperCase() == result) {
                                      res = res.toUpperCase();
                                  } else if (result.charAt(0).toUpperCase() == result.charAt(0)) {
                                      res = res.substr(0, 0) + item[negate].charAt(0).toUpperCase() + res.substr(1);
                                  }
                                  return res;
                              });
                              this.insert(reg);
                              reg = "";
                          }
                      }
                  }
              }
          };
          this.removeLines = function () {
              var rows = this.$getSelectedRows();
              this.session.removeFullLines(rows.first, rows.last);
              this.clearSelection();
          };
  
          this.duplicateSelection = function () {
              var sel = this.selection;
              var doc = this.session;
              var range = sel.getRange();
              var reverse = sel.isBackwards();
              if (range.isEmpty()) {
                  var row = range.start.row;
                  doc.duplicateLines(row, row);
              } else {
                  var point = reverse ? range.start : range.end;
                  var endPoint = doc.insert(point, doc.getTextRange(range), false);
                  range.start = point;
                  range.end = endPoint;
  
                  sel.setSelectionRange(range, reverse);
              }
          };
          this.moveLinesDown = function () {
              this.$moveLines(1, false);
          };
          this.moveLinesUp = function () {
              this.$moveLines(-1, false);
          };
          this.moveText = function (range, toPosition, copy) {
              return this.session.moveText(range, toPosition, copy);
          };
          this.copyLinesUp = function () {
              this.$moveLines(-1, true);
          };
          this.copyLinesDown = function () {
              this.$moveLines(1, true);
          };
          this.$moveLines = function (dir, copy) {
              var rows, moved;
              var selection = this.selection;
              if (!selection.inMultiSelectMode || this.inVirtualSelectionMode) {
                  var range = selection.toOrientedRange();
                  rows = this.$getSelectedRows(range);
                  moved = this.session.$moveLines(rows.first, rows.last, copy ? 0 : dir);
                  if (copy && dir == -1) moved = 0;
                  range.moveBy(moved, 0);
                  selection.fromOrientedRange(range);
              } else {
                  var ranges = selection.rangeList.ranges;
                  selection.rangeList.detach(this.session);
                  this.inVirtualSelectionMode = true;
  
                  var diff = 0;
                  var totalDiff = 0;
                  var l = ranges.length;
                  for (var i = 0; i < l; i++) {
                      var rangeIndex = i;
                      ranges[i].moveBy(diff, 0);
                      rows = this.$getSelectedRows(ranges[i]);
                      var first = rows.first;
                      var last = rows.last;
                      while (++i < l) {
                          if (totalDiff) ranges[i].moveBy(totalDiff, 0);
                          var subRows = this.$getSelectedRows(ranges[i]);
                          if (copy && subRows.first != last)
                              break;
                          else if (!copy && subRows.first > last + 1)
                              break;
                          last = subRows.last;
                      }
                      i--;
                      diff = this.session.$moveLines(first, last, copy ? 0 : dir);
                      if (copy && dir == -1) rangeIndex = i + 1;
                      while (rangeIndex <= i) {
                          ranges[rangeIndex].moveBy(diff, 0);
                          rangeIndex++;
                      }
                      if (!copy) diff = 0;
                      totalDiff += diff;
                  }
  
                  selection.fromOrientedRange(selection.ranges[0]);
                  selection.rangeList.attach(this.session);
                  this.inVirtualSelectionMode = false;
              }
          };
          this.$getSelectedRows = function (range) {
              range = (range || this.getSelectionRange()).collapseRows();
  
              return {
                  first: this.session.getRowFoldStart(range.start.row),
                  last: this.session.getRowFoldEnd(range.end.row)
              };
          };
  
          this.onCompositionStart = function (compositionState) {
              this.renderer.showComposition(compositionState);
          };
  
          this.onCompositionUpdate = function (text) {
              this.renderer.setCompositionText(text);
          };
  
          this.onCompositionEnd = function () {
              this.renderer.hideComposition();
          };
          this.getFirstVisibleRow = function () {
              return this.renderer.getFirstVisibleRow();
          };
          this.getLastVisibleRow = function () {
              return this.renderer.getLastVisibleRow();
          };
          this.isRowVisible = function (row) {
              return (row >= this.getFirstVisibleRow() && row <= this.getLastVisibleRow());
          };
          this.isRowFullyVisible = function (row) {
              return (row >= this.renderer.getFirstFullyVisibleRow() && row <= this.renderer.getLastFullyVisibleRow());
          };
          this.$getVisibleRowCount = function () {
              return this.renderer.getScrollBottomRow() - this.renderer.getScrollTopRow() + 1;
          };
  
          this.$moveByPage = function (dir, select) {
              var renderer = this.renderer;
              var config = this.renderer.layerConfig;
              var rows = dir * Math.floor(config.height / config.lineHeight);
  
              if (select === true) {
                  this.selection.$moveSelection(function () {
                      this.moveCursorBy(rows, 0);
                  });
              } else if (select === false) {
                  this.selection.moveCursorBy(rows, 0);
                  this.selection.clearSelection();
              }
  
              var scrollTop = renderer.scrollTop;
  
              renderer.scrollBy(0, rows * config.lineHeight);
              if (select != null)
                  renderer.scrollCursorIntoView(null, 0.5);
  
              renderer.animateScrolling(scrollTop);
          };
          this.selectPageDown = function () {
              this.$moveByPage(1, true);
          };
          this.selectPageUp = function () {
              this.$moveByPage(-1, true);
          };
          this.gotoPageDown = function () {
              this.$moveByPage(1, false);
          };
          this.gotoPageUp = function () {
              this.$moveByPage(-1, false);
          };
          this.scrollPageDown = function () {
              this.$moveByPage(1);
          };
          this.scrollPageUp = function () {
              this.$moveByPage(-1);
          };
          this.scrollToRow = function (row) {
              this.renderer.scrollToRow(row);
          };
          this.scrollToLine = function (line, center, animate, callback) {
              this.renderer.scrollToLine(line, center, animate, callback);
          };
          this.centerSelection = function () {
              var range = this.getSelectionRange();
              var pos = {
                  row: Math.floor(range.start.row + (range.end.row - range.start.row) / 2),
                  column: Math.floor(range.start.column + (range.end.column - range.start.column) / 2)
              };
              this.renderer.alignCursor(pos, 0.5);
          };
          this.getCursorPosition = function () {
              return this.selection.getCursor();
          };
          this.getCursorPositionScreen = function () {
              return this.session.documentToScreenPosition(this.getCursorPosition());
          };
          this.getSelectionRange = function () {
              return this.selection.getRange();
          };
          this.selectAll = function () {
              this.selection.selectAll();
          };
          this.clearSelection = function () {
              this.selection.clearSelection();
          };
          this.moveCursorTo = function (row, column) {
              this.selection.moveCursorTo(row, column);
          };
          this.moveCursorToPosition = function (pos) {
              this.selection.moveCursorToPosition(pos);
          };
          this.jumpToMatching = function (select, expand) {
              var cursor = this.getCursorPosition();
              var iterator = new TokenIterator(this.session, cursor.row, cursor.column);
              var prevToken = iterator.getCurrentToken();
              var token = prevToken || iterator.stepForward();
  
              if (!token) return;
              var matchType;
              var found = false;
              var depth = {};
              var i = cursor.column - token.start;
              var bracketType;
              var brackets = {
                  ")": "(",
                  "(": "(",
                  "]": "[",
                  "[": "[",
                  "{": "{",
                  "}": "{"
              };
  
              do {
                  if (token.value.match(/[{}()\[\]]/g)) {
                      for (; i < token.value.length && !found; i++) {
                          if (!brackets[token.value[i]]) {
                              continue;
                          }
  
                          bracketType = brackets[token.value[i]] + '.' + token.type.replace("rparen", "lparen");
  
                          if (isNaN(depth[bracketType])) {
                              depth[bracketType] = 0;
                          }
  
                          switch (token.value[i]) {
                              case '(':
                              case '[':
                              case '{':
                                  depth[bracketType]++;
                                  break;
                              case ')':
                              case ']':
                              case '}':
                                  depth[bracketType]--;
  
                                  if (depth[bracketType] === -1) {
                                      matchType = 'bracket';
                                      found = true;
                                  }
                                  break;
                          }
                      }
                  } else if (token.type.indexOf('tag-name') !== -1) {
                      if (isNaN(depth[token.value])) {
                          depth[token.value] = 0;
                      }
  
                      if (prevToken.value === '<') {
                          depth[token.value]++;
                      } else if (prevToken.value === '</') {
                          depth[token.value]--;
                      }
  
                      if (depth[token.value] === -1) {
                          matchType = 'tag';
                          found = true;
                      }
                  }
  
                  if (!found) {
                      prevToken = token;
                      token = iterator.stepForward();
                      i = 0;
                  }
              } while (token && !found);
              if (!matchType)
                  return;
  
              var range, pos;
              if (matchType === 'bracket') {
                  range = this.session.getBracketRange(cursor);
                  if (!range) {
                      range = new Range(
                          iterator.getCurrentTokenRow(),
                          iterator.getCurrentTokenColumn() + i - 1,
                          iterator.getCurrentTokenRow(),
                          iterator.getCurrentTokenColumn() + i - 1
                      );
                      pos = range.start;
                      if (expand || pos.row === cursor.row && Math.abs(pos.column - cursor.column) < 2)
                          range = this.session.getBracketRange(pos);
                  }
              } else if (matchType === 'tag') {
                  if (token && token.type.indexOf('tag-name') !== -1)
                      var tag = token.value;
                  else
                      return;
  
                  range = new Range(
                      iterator.getCurrentTokenRow(),
                      iterator.getCurrentTokenColumn() - 2,
                      iterator.getCurrentTokenRow(),
                      iterator.getCurrentTokenColumn() - 2
                  );
                  if (range.compare(cursor.row, cursor.column) === 0) {
                      found = false;
                      do {
                          token = prevToken;
                          prevToken = iterator.stepBackward();
  
                          if (prevToken) {
                              if (prevToken.type.indexOf('tag-close') !== -1) {
                                  range.setEnd(iterator.getCurrentTokenRow(), iterator.getCurrentTokenColumn() + 1);
                              }
  
                              if (token.value === tag && token.type.indexOf('tag-name') !== -1) {
                                  if (prevToken.value === '<') {
                                      depth[tag]++;
                                  } else if (prevToken.value === '</') {
                                      depth[tag]--;
                                  }
  
                                  if (depth[tag] === 0)
                                      found = true;
                              }
                          }
                      } while (prevToken && !found);
                  }
                  if (token && token.type.indexOf('tag-name')) {
                      pos = range.start;
                      if (pos.row == cursor.row && Math.abs(pos.column - cursor.column) < 2)
                          pos = range.end;
                  }
              }
  
              pos = range && range.cursor || pos;
              if (pos) {
                  if (select) {
                      if (range && expand) {
                          this.selection.setRange(range);
                      } else if (range && range.isEqual(this.getSelectionRange())) {
                          this.clearSelection();
                      } else {
                          this.selection.selectTo(pos.row, pos.column);
                      }
                  } else {
                      this.selection.moveTo(pos.row, pos.column);
                  }
              }
          };
          this.gotoLine = function (lineNumber, column, animate) {
              this.selection.clearSelection();
              this.session.unfold({
                  row: lineNumber - 1,
                  column: column || 0
              });
              this.exitMultiSelectMode && this.exitMultiSelectMode();
              this.moveCursorTo(lineNumber - 1, column || 0);
  
              if (!this.isRowFullyVisible(lineNumber - 1))
                  this.scrollToLine(lineNumber - 1, true, animate);
          };
          this.navigateTo = function (row, column) {
              this.selection.moveTo(row, column);
          };
          this.navigateUp = function (times) {
              if (this.selection.isMultiLine() && !this.selection.isBackwards()) {
                  var selectionStart = this.selection.anchor.getPosition();
                  return this.moveCursorToPosition(selectionStart);
              }
              this.selection.clearSelection();
              this.selection.moveCursorBy(-times || -1, 0);
          };
          this.navigateDown = function (times) {
              if (this.selection.isMultiLine() && this.selection.isBackwards()) {
                  var selectionEnd = this.selection.anchor.getPosition();
                  return this.moveCursorToPosition(selectionEnd);
              }
              this.selection.clearSelection();
              this.selection.moveCursorBy(times || 1, 0);
          };
          this.navigateLeft = function (times) {
              if (!this.selection.isEmpty()) {
                  var selectionStart = this.getSelectionRange().start;
                  this.moveCursorToPosition(selectionStart);
              } else {
                  times = times || 1;
                  while (times--) {
                      this.selection.moveCursorLeft();
                  }
              }
              this.clearSelection();
          };
          this.navigateRight = function (times) {
              if (!this.selection.isEmpty()) {
                  var selectionEnd = this.getSelectionRange().end;
                  this.moveCursorToPosition(selectionEnd);
              } else {
                  times = times || 1;
                  while (times--) {
                      this.selection.moveCursorRight();
                  }
              }
              this.clearSelection();
          };
          this.navigateLineStart = function () {
              this.selection.moveCursorLineStart();
              this.clearSelection();
          };
          this.navigateLineEnd = function () {
              this.selection.moveCursorLineEnd();
              this.clearSelection();
          };
          this.navigateFileEnd = function () {
              this.selection.moveCursorFileEnd();
              this.clearSelection();
          };
          this.navigateFileStart = function () {
              this.selection.moveCursorFileStart();
              this.clearSelection();
          };
          this.navigateWordRight = function () {
              this.selection.moveCursorWordRight();
              this.clearSelection();
          };
          this.navigateWordLeft = function () {
              this.selection.moveCursorWordLeft();
              this.clearSelection();
          };
          this.replace = function (replacement, options) {
              if (options)
                  this.$search.set(options);
  
              var range = this.$search.find(this.session);
              var replaced = 0;
              if (!range)
                  return replaced;
  
              if (this.$tryReplace(range, replacement)) {
                  replaced = 1;
              }
  
              this.selection.setSelectionRange(range);
              this.renderer.scrollSelectionIntoView(range.start, range.end);
  
              return replaced;
          };
          this.replaceAll = function (replacement, options) {
              if (options) {
                  this.$search.set(options);
              }
  
              var ranges = this.$search.findAll(this.session);
              var replaced = 0;
              if (!ranges.length)
                  return replaced;
  
              var selection = this.getSelectionRange();
              this.selection.moveTo(0, 0);
  
              for (var i = ranges.length - 1; i >= 0; --i) {
                  if (this.$tryReplace(ranges[i], replacement)) {
                      replaced++;
                  }
              }
  
              this.selection.setSelectionRange(selection);
  
              return replaced;
          };
  
          this.$tryReplace = function (range, replacement) {
              var input = this.session.getTextRange(range);
              replacement = this.$search.replace(input, replacement);
              if (replacement !== null) {
                  range.end = this.session.replace(range, replacement);
                  return range;
              } else {
                  return null;
              }
          };
          this.getLastSearchOptions = function () {
              return this.$search.getOptions();
          };
          this.find = function (needle, options, animate) {
              if (!options)
                  options = {};
  
              if (typeof needle == "string" || needle instanceof RegExp)
                  options.needle = needle;
              else if (typeof needle == "object")
                  oop.mixin(options, needle);
  
              var range = this.selection.getRange();
              if (options.needle == null) {
                  needle = this.session.getTextRange(range) ||
                      this.$search.$options.needle;
                  if (!needle) {
                      range = this.session.getWordRange(range.start.row, range.start.column);
                      needle = this.session.getTextRange(range);
                  }
                  this.$search.set({
                      needle: needle
                  });
              }
  
              this.$search.set(options);
              if (!options.start)
                  this.$search.set({
                      start: range
                  });
  
              var newRange = this.$search.find(this.session);
              if (options.preventScroll)
                  return newRange;
              if (newRange) {
                  this.revealRange(newRange, animate);
                  return newRange;
              }
              if (options.backwards)
                  range.start = range.end;
              else
                  range.end = range.start;
              this.selection.setRange(range);
          };
          this.findNext = function (options, animate) {
              this.find({
                  skipCurrent: true,
                  backwards: false
              }, options, animate);
          };
          this.findPrevious = function (options, animate) {
              this.find(options, {
                  skipCurrent: true,
                  backwards: true
              }, animate);
          };
  
          this.revealRange = function (range, animate) {
              this.session.unfold(range);
              this.selection.setSelectionRange(range);
  
              var scrollTop = this.renderer.scrollTop;
              this.renderer.scrollSelectionIntoView(range.start, range.end, 0.5);
              if (animate !== false)
                  this.renderer.animateScrolling(scrollTop);
          };
          this.undo = function () {
              this.session.getUndoManager().undo(this.session);
              this.renderer.scrollCursorIntoView(null, 0.5);
          };
          this.redo = function () {
              this.session.getUndoManager().redo(this.session);
              this.renderer.scrollCursorIntoView(null, 0.5);
          };
          this.destroy = function () {
              if (this.$toDestroy) {
                  this.$toDestroy.forEach(function (el) {
                      el.destroy();
                  });
                  this.$toDestroy = null;
              }
              if (this.$mouseHandler)
                  this.$mouseHandler.destroy();
              this.renderer.destroy();
              this._signal("destroy", this);
              if (this.session)
                  this.session.destroy();
              if (this._$emitInputEvent)
                  this._$emitInputEvent.cancel();
              this.removeAllListeners();
          };
          this.setAutoScrollEditorIntoView = function (enable) {
              if (!enable)
                  return;
              var rect;
              var self = this;
              var shouldScroll = false;
              if (!this.$scrollAnchor)
                  this.$scrollAnchor = document.createElement("div");
              var scrollAnchor = this.$scrollAnchor;
              scrollAnchor.style.cssText = "position:absolute";
              this.container.insertBefore(scrollAnchor, this.container.firstChild);
              var onChangeSelection = this.on("changeSelection", function () {
                  shouldScroll = true;
              });
              var onBeforeRender = this.renderer.on("beforeRender", function () {
                  if (shouldScroll)
                      rect = self.renderer.container.getBoundingClientRect();
              });
              var onAfterRender = this.renderer.on("afterRender", function () {
                  if (shouldScroll && rect && (self.isFocused() ||
                          self.searchBox && self.searchBox.isFocused())) {
                      var renderer = self.renderer;
                      var pos = renderer.$cursorLayer.$pixelPos;
                      var config = renderer.layerConfig;
                      var top = pos.top - config.offset;
                      if (pos.top >= 0 && top + rect.top < 0) {
                          shouldScroll = true;
                      } else if (pos.top < config.height &&
                          pos.top + rect.top + config.lineHeight > window.innerHeight) {
                          shouldScroll = false;
                      } else {
                          shouldScroll = null;
                      }
                      if (shouldScroll != null) {
                          scrollAnchor.style.top = top + "px";
                          scrollAnchor.style.left = pos.left + "px";
                          scrollAnchor.style.height = config.lineHeight + "px";
                          scrollAnchor.scrollIntoView(shouldScroll);
                      }
                      shouldScroll = rect = null;
                  }
              });
              this.setAutoScrollEditorIntoView = function (enable) {
                  if (enable)
                      return;
                  delete this.setAutoScrollEditorIntoView;
                  this.off("changeSelection", onChangeSelection);
                  this.renderer.off("afterRender", onAfterRender);
                  this.renderer.off("beforeRender", onBeforeRender);
              };
          };
  
  
          this.$resetCursorStyle = function () {
              var style = this.$cursorStyle || "ace";
              var cursorLayer = this.renderer.$cursorLayer;
              if (!cursorLayer)
                  return;
              cursorLayer.setSmoothBlinking(/smooth/.test(style));
              cursorLayer.isBlinking = !this.$readOnly && style != "wide";
              dom.setCssClass(cursorLayer.element, "ace_slim-cursors", /slim/.test(style));
          };
          this.prompt = function (message, options, callback) {
              var editor = this;
              config.loadModule("./ext/prompt", function (module) {
                  module.prompt(editor, message, options, callback);
              });
          };
  
      }).call(Editor.prototype);
  
  
  
      config.defineOptions(Editor.prototype, "editor", {
          selectionStyle: {
              set: function (style) {
                  this.onSelectionChange();
                  this._signal("changeSelectionStyle", {
                      data: style
                  });
              },
              initialValue: "line"
          },
          highlightActiveLine: {
              set: function () {
                  this.$updateHighlightActiveLine();
              },
              initialValue: true
          },
          highlightSelectedWord: {
              set: function (shouldHighlight) {
                  this.$onSelectionChange();
              },
              initialValue: true
          },
          readOnly: {
              set: function (readOnly) {
                  this.textInput.setReadOnly(readOnly);
                  this.$resetCursorStyle();
              },
              initialValue: false
          },
          copyWithEmptySelection: {
              set: function (value) {
                  this.textInput.setCopyWithEmptySelection(value);
              },
              initialValue: false
          },
          cursorStyle: {
              set: function (val) {
                  this.$resetCursorStyle();
              },
              values: ["ace", "slim", "smooth", "wide"],
              initialValue: "ace"
          },
          mergeUndoDeltas: {
              values: [false, true, "always"],
              initialValue: true
          },
          behavioursEnabled: {
              initialValue: true
          },
          wrapBehavioursEnabled: {
              initialValue: true
          },
          enableAutoIndent: {
              initialValue: true
          },
          autoScrollEditorIntoView: {
              set: function (val) {
                  this.setAutoScrollEditorIntoView(val);
              }
          },
          keyboardHandler: {
              set: function (val) {
                  this.setKeyboardHandler(val);
              },
              get: function () {
                  return this.$keybindingId;
              },
              handlesSet: true
          },
          value: {
              set: function (val) {
                  this.session.setValue(val);
              },
              get: function () {
                  return this.getValue();
              },
              handlesSet: true,
              hidden: true
          },
          session: {
              set: function (val) {
                  this.setSession(val);
              },
              get: function () {
                  return this.session;
              },
              handlesSet: true,
              hidden: true
          },
  
          showLineNumbers: {
              set: function (show) {
                  this.renderer.$gutterLayer.setShowLineNumbers(show);
                  this.renderer.$loop.schedule(this.renderer.CHANGE_GUTTER);
                  if (show && this.$relativeLineNumbers)
                      relativeNumberRenderer.attach(this);
                  else
                      relativeNumberRenderer.detach(this);
              },
              initialValue: true
          },
          relativeLineNumbers: {
              set: function (value) {
                  if (this.$showLineNumbers && value)
                      relativeNumberRenderer.attach(this);
                  else
                      relativeNumberRenderer.detach(this);
              }
          },
          placeholder: {
              set: function (message) {
                  if (!this.$updatePlaceholder) {
                      this.$updatePlaceholder = function () {
                          var value = this.session && (this.renderer.$composition || this.getValue());
                          if (value && this.renderer.placeholderNode) {
                              this.renderer.off("afterRender", this.$updatePlaceholder);
                              dom.removeCssClass(this.container, "ace_hasPlaceholder");
                              this.renderer.placeholderNode.remove();
                              this.renderer.placeholderNode = null;
                          } else if (!value && !this.renderer.placeholderNode) {
                              this.renderer.on("afterRender", this.$updatePlaceholder);
                              dom.addCssClass(this.container, "ace_hasPlaceholder");
                              var el = dom.createElement("div");
                              el.className = "ace_placeholder";
                              el.textContent = this.$placeholder || "";
                              this.renderer.placeholderNode = el;
                              this.renderer.content.appendChild(this.renderer.placeholderNode);
                          } else if (!value && this.renderer.placeholderNode) {
                              this.renderer.placeholderNode.textContent = this.$placeholder || "";
                          }
                      }.bind(this);
                      this.on("input", this.$updatePlaceholder);
                  }
                  this.$updatePlaceholder();
              }
          },
  
          hScrollBarAlwaysVisible: "renderer",
          vScrollBarAlwaysVisible: "renderer",
          highlightGutterLine: "renderer",
          animatedScroll: "renderer",
          showInvisibles: "renderer",
          showPrintMargin: "renderer",
          printMarginColumn: "renderer",
          printMargin: "renderer",
          fadeFoldWidgets: "renderer",
          showFoldWidgets: "renderer",
          displayIndentGuides: "renderer",
          showGutter: "renderer",
          fontSize: "renderer",
          fontFamily: "renderer",
          maxLines: "renderer",
          minLines: "renderer",
          scrollPastEnd: "renderer",
          fixedWidthGutter: "renderer",
          theme: "renderer",
          hasCssTransforms: "renderer",
          maxPixelHeight: "renderer",
          useTextareaForIME: "renderer",
  
          scrollSpeed: "$mouseHandler",
          dragDelay: "$mouseHandler",
          dragEnabled: "$mouseHandler",
          focusTimeout: "$mouseHandler",
          tooltipFollowsMouse: "$mouseHandler",
  
          firstLineNumber: "session",
          overwrite: "session",
          newLineMode: "session",
          useWorker: "session",
          useSoftTabs: "session",
          navigateWithinSoftTabs: "session",
          tabSize: "session",
          wrap: "session",
          indentedSoftWrap: "session",
          foldStyle: "session",
          mode: "session"
      });
  
  
      var relativeNumberRenderer = {
          getText: function (session, row) {
              return (Math.abs(session.selection.lead.row - row) || (row + 1 + (row < 9 ? "\xb7" : ""))) + "";
          },
          getWidth: function (session, lastLineNumber, config) {
              return Math.max(
                  lastLineNumber.toString().length,
                  (config.lastRow + 1).toString().length,
                  2
              ) * config.characterWidth;
          },
          update: function (e, editor) {
              editor.renderer.$loop.schedule(editor.renderer.CHANGE_GUTTER);
          },
          attach: function (editor) {
              editor.renderer.$gutterLayer.$renderer = this;
              editor.on("changeSelection", this.update);
              this.update(null, editor);
          },
          detach: function (editor) {
              if (editor.renderer.$gutterLayer.$renderer == this)
                  editor.renderer.$gutterLayer.$renderer = null;
              editor.off("changeSelection", this.update);
              this.update(null, editor);
          }
      };
  
      exports.Editor = Editor;
  });
  
  define("ace/undomanager", ["require", "exports", "module", "ace/range"], function (require, exports, module) {
      "use strict";
      var UndoManager = function () {
          this.$maxRev = 0;
          this.$fromUndo = false;
          this.reset();
      };
  
      (function () {
  
          this.addSession = function (session) {
              this.$session = session;
          };
          this.add = function (delta, allowMerge, session) {
              if (this.$fromUndo) return;
              if (delta == this.$lastDelta) return;
              if (!this.$keepRedoStack) this.$redoStack.length = 0;
              if (allowMerge === false || !this.lastDeltas) {
                  this.lastDeltas = [];
                  this.$undoStack.push(this.lastDeltas);
                  delta.id = this.$rev = ++this.$maxRev;
              }
              if (delta.action == "remove" || delta.action == "insert")
                  this.$lastDelta = delta;
              this.lastDeltas.push(delta);
          };
  
          this.addSelection = function (selection, rev) {
              this.selections.push({
                  value: selection,
                  rev: rev || this.$rev
              });
          };
  
          this.startNewGroup = function () {
              this.lastDeltas = null;
              return this.$rev;
          };
  
          this.markIgnored = function (from, to) {
              if (to == null) to = this.$rev + 1;
              var stack = this.$undoStack;
              for (var i = stack.length; i--;) {
                  var delta = stack[i][0];
                  if (delta.id <= from)
                      break;
                  if (delta.id < to)
                      delta.ignore = true;
              }
              this.lastDeltas = null;
          };
  
          this.getSelection = function (rev, after) {
              var stack = this.selections;
              for (var i = stack.length; i--;) {
                  var selection = stack[i];
                  if (selection.rev < rev) {
                      if (after)
                          selection = stack[i + 1];
                      return selection;
                  }
              }
          };
  
          this.getRevision = function () {
              return this.$rev;
          };
  
          this.getDeltas = function (from, to) {
              if (to == null) to = this.$rev + 1;
              var stack = this.$undoStack;
              var end = null,
                  start = 0;
              for (var i = stack.length; i--;) {
                  var delta = stack[i][0];
                  if (delta.id < to && !end)
                      end = i + 1;
                  if (delta.id <= from) {
                      start = i + 1;
                      break;
                  }
              }
              return stack.slice(start, end);
          };
  
          this.getChangedRanges = function (from, to) {
              if (to == null) to = this.$rev + 1;
  
          };
  
          this.getChangedLines = function (from, to) {
              if (to == null) to = this.$rev + 1;
  
          };
          this.undo = function (session, dontSelect) {
              this.lastDeltas = null;
              var stack = this.$undoStack;
  
              if (!rearrangeUndoStack(stack, stack.length))
                  return;
  
              if (!session)
                  session = this.$session;
  
              if (this.$redoStackBaseRev !== this.$rev && this.$redoStack.length)
                  this.$redoStack = [];
  
              this.$fromUndo = true;
  
              var deltaSet = stack.pop();
              var undoSelectionRange = null;
              if (deltaSet) {
                  undoSelectionRange = session.undoChanges(deltaSet, dontSelect);
                  this.$redoStack.push(deltaSet);
                  this.$syncRev();
              }
  
              this.$fromUndo = false;
  
              return undoSelectionRange;
          };
          this.redo = function (session, dontSelect) {
              this.lastDeltas = null;
  
              if (!session)
                  session = this.$session;
  
              this.$fromUndo = true;
              if (this.$redoStackBaseRev != this.$rev) {
                  var diff = this.getDeltas(this.$redoStackBaseRev, this.$rev + 1);
                  rebaseRedoStack(this.$redoStack, diff);
                  this.$redoStackBaseRev = this.$rev;
                  this.$redoStack.forEach(function (x) {
                      x[0].id = ++this.$maxRev;
                  }, this);
              }
              var deltaSet = this.$redoStack.pop();
              var redoSelectionRange = null;
  
              if (deltaSet) {
                  redoSelectionRange = session.redoChanges(deltaSet, dontSelect);
                  this.$undoStack.push(deltaSet);
                  this.$syncRev();
              }
              this.$fromUndo = false;
  
              return redoSelectionRange;
          };
  
          this.$syncRev = function () {
              var stack = this.$undoStack;
              var nextDelta = stack[stack.length - 1];
              var id = nextDelta && nextDelta[0].id || 0;
              this.$redoStackBaseRev = id;
              this.$rev = id;
          };
          this.reset = function () {
              this.lastDeltas = null;
              this.$lastDelta = null;
              this.$undoStack = [];
              this.$redoStack = [];
              this.$rev = 0;
              this.mark = 0;
              this.$redoStackBaseRev = this.$rev;
              this.selections = [];
          };
          this.canUndo = function () {
              return this.$undoStack.length > 0;
          };
          this.canRedo = function () {
              return this.$redoStack.length > 0;
          };
          this.bookmark = function (rev) {
              if (rev == undefined)
                  rev = this.$rev;
              this.mark = rev;
          };
          this.isAtBookmark = function () {
              return this.$rev === this.mark;
          };
  
          this.toJSON = function () {
  
          };
  
          this.fromJSON = function () {
  
          };
  
          this.hasUndo = this.canUndo;
          this.hasRedo = this.canRedo;
          this.isClean = this.isAtBookmark;
          this.markClean = this.bookmark;
  
          this.$prettyPrint = function (delta) {
              if (delta) return stringifyDelta(delta);
              return stringifyDelta(this.$undoStack) + "\n---\n" + stringifyDelta(this.$redoStack);
          };
      }).call(UndoManager.prototype);
  
      function rearrangeUndoStack(stack, pos) {
          for (var i = pos; i--;) {
              var deltaSet = stack[i];
              if (deltaSet && !deltaSet[0].ignore) {
                  while (i < pos - 1) {
                      var swapped = swapGroups(stack[i], stack[i + 1]);
                      stack[i] = swapped[0];
                      stack[i + 1] = swapped[1];
                      i++;
                  }
                  return true;
              }
          }
      }
  
      var Range = require("./range").Range;
      var cmp = Range.comparePoints;
      var comparePoints = Range.comparePoints;
  
      function $updateMarkers(delta) {
          var isInsert = delta.action == "insert";
          var start = delta.start;
          var end = delta.end;
          var rowShift = (end.row - start.row) * (isInsert ? 1 : -1);
          var colShift = (end.column - start.column) * (isInsert ? 1 : -1);
          if (isInsert) end = start;
  
          for (var i in this.marks) {
              var point = this.marks[i];
              var cmp = comparePoints(point, start);
              if (cmp < 0) {
                  continue; // delta starts after the range
              }
              if (cmp === 0) {
                  if (isInsert) {
                      if (point.bias == 1) {
                          cmp = 1;
                      } else {
                          point.bias == -1;
                          continue;
                      }
                  }
              }
              var cmp2 = isInsert ? cmp : comparePoints(point, end);
              if (cmp2 > 0) {
                  point.row += rowShift;
                  point.column += point.row == end.row ? colShift : 0;
                  continue;
              }
              if (!isInsert && cmp2 <= 0) {
                  point.row = start.row;
                  point.column = start.column;
                  if (cmp2 === 0)
                      point.bias = 1;
              }
          }
      }
  
  
  
      function clonePos(pos) {
          return {
              row: pos.row,
              column: pos.column
          };
      }
  
      function cloneDelta(d) {
          return {
              start: clonePos(d.start),
              end: clonePos(d.end),
              action: d.action,
              lines: d.lines.slice()
          };
      }
  
      function stringifyDelta(d) {
          d = d || this;
          if (Array.isArray(d)) {
              return d.map(stringifyDelta).join("\n");
          }
          var type = "";
          if (d.action) {
              type = d.action == "insert" ? "+" : "-";
              type += "[" + d.lines + "]";
          } else if (d.value) {
              if (Array.isArray(d.value)) {
                  type = d.value.map(stringifyRange).join("\n");
              } else {
                  type = stringifyRange(d.value);
              }
          }
          if (d.start) {
              type += stringifyRange(d);
          }
          if (d.id || d.rev) {
              type += "\t(" + (d.id || d.rev) + ")";
          }
          return type;
      }
  
      function stringifyRange(r) {
          return r.start.row + ":" + r.start.column +
              "=>" + r.end.row + ":" + r.end.column;
      }
  
      function swap(d1, d2) {
          var i1 = d1.action == "insert";
          var i2 = d2.action == "insert";
  
          if (i1 && i2) {
              if (cmp(d2.start, d1.end) >= 0) {
                  shift(d2, d1, -1);
              } else if (cmp(d2.start, d1.start) <= 0) {
                  shift(d1, d2, +1);
              } else {
                  return null;
              }
          } else if (i1 && !i2) {
              if (cmp(d2.start, d1.end) >= 0) {
                  shift(d2, d1, -1);
              } else if (cmp(d2.end, d1.start) <= 0) {
                  shift(d1, d2, -1);
              } else {
                  return null;
              }
          } else if (!i1 && i2) {
              if (cmp(d2.start, d1.start) >= 0) {
                  shift(d2, d1, +1);
              } else if (cmp(d2.start, d1.start) <= 0) {
                  shift(d1, d2, +1);
              } else {
                  return null;
              }
          } else if (!i1 && !i2) {
              if (cmp(d2.start, d1.start) >= 0) {
                  shift(d2, d1, +1);
              } else if (cmp(d2.end, d1.start) <= 0) {
                  shift(d1, d2, -1);
              } else {
                  return null;
              }
          }
          return [d2, d1];
      }
  
      function swapGroups(ds1, ds2) {
          for (var i = ds1.length; i--;) {
              for (var j = 0; j < ds2.length; j++) {
                  if (!swap(ds1[i], ds2[j])) {
                      while (i < ds1.length) {
                          while (j--) {
                              swap(ds2[j], ds1[i]);
                          }
                          j = ds2.length;
                          i++;
                      }
                      return [ds1, ds2];
                  }
              }
          }
          ds1.selectionBefore = ds2.selectionBefore =
              ds1.selectionAfter = ds2.selectionAfter = null;
          return [ds2, ds1];
      }
  
      function xform(d1, c1) {
          var i1 = d1.action == "insert";
          var i2 = c1.action == "insert";
  
          if (i1 && i2) {
              if (cmp(d1.start, c1.start) < 0) {
                  shift(c1, d1, 1);
              } else {
                  shift(d1, c1, 1);
              }
          } else if (i1 && !i2) {
              if (cmp(d1.start, c1.end) >= 0) {
                  shift(d1, c1, -1);
              } else if (cmp(d1.start, c1.start) <= 0) {
                  shift(c1, d1, +1);
              } else {
                  shift(d1, Range.fromPoints(c1.start, d1.start), -1);
                  shift(c1, d1, +1);
              }
          } else if (!i1 && i2) {
              if (cmp(c1.start, d1.end) >= 0) {
                  shift(c1, d1, -1);
              } else if (cmp(c1.start, d1.start) <= 0) {
                  shift(d1, c1, +1);
              } else {
                  shift(c1, Range.fromPoints(d1.start, c1.start), -1);
                  shift(d1, c1, +1);
              }
          } else if (!i1 && !i2) {
              if (cmp(c1.start, d1.end) >= 0) {
                  shift(c1, d1, -1);
              } else if (cmp(c1.end, d1.start) <= 0) {
                  shift(d1, c1, -1);
              } else {
                  var before, after;
                  if (cmp(d1.start, c1.start) < 0) {
                      before = d1;
                      d1 = splitDelta(d1, c1.start);
                  }
                  if (cmp(d1.end, c1.end) > 0) {
                      after = splitDelta(d1, c1.end);
                  }
  
                  shiftPos(c1.end, d1.start, d1.end, -1);
                  if (after && !before) {
                      d1.lines = after.lines;
                      d1.start = after.start;
                      d1.end = after.end;
                      after = d1;
                  }
  
                  return [c1, before, after].filter(Boolean);
              }
          }
          return [c1, d1];
      }
  
      function shift(d1, d2, dir) {
          shiftPos(d1.start, d2.start, d2.end, dir);
          shiftPos(d1.end, d2.start, d2.end, dir);
      }
  
      function shiftPos(pos, start, end, dir) {
          if (pos.row == (dir == 1 ? start : end).row) {
              pos.column += dir * (end.column - start.column);
          }
          pos.row += dir * (end.row - start.row);
      }
  
      function splitDelta(c, pos) {
          var lines = c.lines;
          var end = c.end;
          c.end = clonePos(pos);
          var rowsBefore = c.end.row - c.start.row;
          var otherLines = lines.splice(rowsBefore, lines.length);
  
          var col = rowsBefore ? pos.column : pos.column - c.start.column;
          lines.push(otherLines[0].substring(0, col));
          otherLines[0] = otherLines[0].substr(col);
          var rest = {
              start: clonePos(pos),
              end: end,
              lines: otherLines,
              action: c.action
          };
          return rest;
      }
  
      function moveDeltasByOne(redoStack, d) {
          d = cloneDelta(d);
          for (var j = redoStack.length; j--;) {
              var deltaSet = redoStack[j];
              for (var i = 0; i < deltaSet.length; i++) {
                  var x = deltaSet[i];
                  var xformed = xform(x, d);
                  d = xformed[0];
                  if (xformed.length != 2) {
                      if (xformed[2]) {
                          deltaSet.splice(i + 1, 1, xformed[1], xformed[2]);
                          i++;
                      } else if (!xformed[1]) {
                          deltaSet.splice(i, 1);
                          i--;
                      }
                  }
              }
              if (!deltaSet.length) {
                  redoStack.splice(j, 1);
              }
          }
          return redoStack;
      }
  
      function rebaseRedoStack(redoStack, deltaSets) {
          for (var i = 0; i < deltaSets.length; i++) {
              var deltas = deltaSets[i];
              for (var j = 0; j < deltas.length; j++) {
                  moveDeltasByOne(redoStack, deltas[j]);
              }
          }
      }
  
      exports.UndoManager = UndoManager;
  
  });
  
  define("ace/layer/lines", ["require", "exports", "module", "ace/lib/dom"], function (require, exports, module) {
      "use strict";
  
      var dom = require("../lib/dom");
  
      var Lines = function (element, canvasHeight) {
          this.element = element;
          this.canvasHeight = canvasHeight || 500000;
          this.element.style.height = (this.canvasHeight * 2) + "px";
  
          this.cells = [];
          this.cellCache = [];
          this.$offsetCoefficient = 0;
      };
  
      (function () {
  
          this.moveContainer = function (config) {
              dom.translate(this.element, 0, -((config.firstRowScreen * config.lineHeight) % this.canvasHeight) - config.offset * this.$offsetCoefficient);
          };
  
          this.pageChanged = function (oldConfig, newConfig) {
              return (
                  Math.floor((oldConfig.firstRowScreen * oldConfig.lineHeight) / this.canvasHeight) !==
                  Math.floor((newConfig.firstRowScreen * newConfig.lineHeight) / this.canvasHeight)
              );
          };
  
          this.computeLineTop = function (row, config, session) {
              var screenTop = config.firstRowScreen * config.lineHeight;
              var screenPage = Math.floor(screenTop / this.canvasHeight);
              var lineTop = session.documentToScreenRow(row, 0) * config.lineHeight;
              return lineTop - (screenPage * this.canvasHeight);
          };
  
          this.computeLineHeight = function (row, config, session) {
              return config.lineHeight * session.getRowLineCount(row);
          };
  
          this.getLength = function () {
              return this.cells.length;
          };
  
          this.get = function (index) {
              return this.cells[index];
          };
  
          this.shift = function () {
              this.$cacheCell(this.cells.shift());
          };
  
          this.pop = function () {
              this.$cacheCell(this.cells.pop());
          };
  
          this.push = function (cell) {
              if (Array.isArray(cell)) {
                  this.cells.push.apply(this.cells, cell);
                  var fragment = dom.createFragment(this.element);
                  for (var i = 0; i < cell.length; i++) {
                      fragment.appendChild(cell[i].element);
                  }
                  this.element.appendChild(fragment);
              } else {
                  this.cells.push(cell);
                  this.element.appendChild(cell.element);
              }
          };
  
          this.unshift = function (cell) {
              if (Array.isArray(cell)) {
                  this.cells.unshift.apply(this.cells, cell);
                  var fragment = dom.createFragment(this.element);
                  for (var i = 0; i < cell.length; i++) {
                      fragment.appendChild(cell[i].element);
                  }
                  if (this.element.firstChild)
                      this.element.insertBefore(fragment, this.element.firstChild);
                  else
                      this.element.appendChild(fragment);
              } else {
                  this.cells.unshift(cell);
                  this.element.insertAdjacentElement("afterbegin", cell.element);
              }
          };
  
          this.last = function () {
              if (this.cells.length)
                  return this.cells[this.cells.length - 1];
              else
                  return null;
          };
  
          this.$cacheCell = function (cell) {
              if (!cell)
                  return;
  
              cell.element.remove();
              this.cellCache.push(cell);
          };
  
          this.createCell = function (row, config, session, initElement) {
              var cell = this.cellCache.pop();
              if (!cell) {
                  var element = dom.createElement("div");
                  if (initElement)
                      initElement(element);
  
                  this.element.appendChild(element);
  
                  cell = {
                      element: element,
                      text: "",
                      row: row
                  };
              }
              cell.row = row;
  
              return cell;
          };
  
      }).call(Lines.prototype);
  
      exports.Lines = Lines;
  
  });
  
  define("ace/layer/gutter", ["require", "exports", "module", "ace/lib/dom", "ace/lib/oop", "ace/lib/lang", "ace/lib/event_emitter", "ace/layer/lines"], function (require, exports, module) {
      "use strict";
  
      var dom = require("../lib/dom");
      var oop = require("../lib/oop");
      var lang = require("../lib/lang");
      var EventEmitter = require("../lib/event_emitter").EventEmitter;
      var Lines = require("./lines").Lines;
  
      var Gutter = function (parentEl) {
          this.element = dom.createElement("div");
          this.element.className = "ace_layer ace_gutter-layer";
          parentEl.appendChild(this.element);
          this.setShowFoldWidgets(this.$showFoldWidgets);
  
          this.gutterWidth = 0;
  
          this.$annotations = [];
          this.$updateAnnotations = this.$updateAnnotations.bind(this);
  
          this.$lines = new Lines(this.element);
          this.$lines.$offsetCoefficient = 1;
      };
  
      (function () {
  
          oop.implement(this, EventEmitter);
  
          this.setSession = function (session) {
              if (this.session)
                  this.session.off("change", this.$updateAnnotations);
              this.session = session;
              if (session)
                  session.on("change", this.$updateAnnotations);
          };
  
          this.addGutterDecoration = function (row, className) {
              if (window.console)
                  console.warn && console.warn("deprecated use session.addGutterDecoration");
              this.session.addGutterDecoration(row, className);
          };
  
          this.removeGutterDecoration = function (row, className) {
              if (window.console)
                  console.warn && console.warn("deprecated use session.removeGutterDecoration");
              this.session.removeGutterDecoration(row, className);
          };
  
          this.setAnnotations = function (annotations) {
              this.$annotations = [];
              for (var i = 0; i < annotations.length; i++) {
                  var annotation = annotations[i];
                  var row = annotation.row;
                  var rowInfo = this.$annotations[row];
                  if (!rowInfo)
                      rowInfo = this.$annotations[row] = {
                          text: []
                      };
  
                  var annoText = annotation.text;
                  annoText = annoText ? lang.escapeHTML(annoText) : annotation.html || "";
  
                  if (rowInfo.text.indexOf(annoText) === -1)
                      rowInfo.text.push(annoText);
  
                  var type = annotation.type;
                  if (type == "error")
                      rowInfo.className = " ace_error";
                  else if (type == "warning" && rowInfo.className != " ace_error")
                      rowInfo.className = " ace_warning";
                  else if (type == "info" && (!rowInfo.className))
                      rowInfo.className = " ace_info";
              }
          };
  
          this.$updateAnnotations = function (delta) {
              if (!this.$annotations.length)
                  return;
              var firstRow = delta.start.row;
              var len = delta.end.row - firstRow;
              if (len === 0) {} else if (delta.action == 'remove') {
                  this.$annotations.splice(firstRow, len + 1, null);
              } else {
                  var args = new Array(len + 1);
                  args.unshift(firstRow, 1);
                  this.$annotations.splice.apply(this.$annotations, args);
              }
          };
  
          this.update = function (config) {
              this.config = config;
  
              var session = this.session;
              var firstRow = config.firstRow;
              var lastRow = Math.min(config.lastRow + config.gutterOffset, // needed to compensate for hor scollbar
                  session.getLength() - 1);
  
              this.oldLastRow = lastRow;
              this.config = config;
  
              this.$lines.moveContainer(config);
              this.$updateCursorRow();
  
              var fold = session.getNextFoldLine(firstRow);
              var foldStart = fold ? fold.start.row : Infinity;
  
              var cell = null;
              var index = -1;
              var row = firstRow;
  
              while (true) {
                  if (row > foldStart) {
                      row = fold.end.row + 1;
                      fold = session.getNextFoldLine(row, fold);
                      foldStart = fold ? fold.start.row : Infinity;
                  }
                  if (row > lastRow) {
                      while (this.$lines.getLength() > index + 1)
                          this.$lines.pop();
  
                      break;
                  }
  
                  cell = this.$lines.get(++index);
                  if (cell) {
                      cell.row = row;
                  } else {
                      cell = this.$lines.createCell(row, config, this.session, onCreateCell);
                      this.$lines.push(cell);
                  }
  
                  this.$renderCell(cell, config, fold, row);
                  row++;
              }
  
              this._signal("afterRender");
              this.$updateGutterWidth(config);
          };
  
          this.$updateGutterWidth = function (config) {
              var session = this.session;
  
              var gutterRenderer = session.gutterRenderer || this.$renderer;
  
              var firstLineNumber = session.$firstLineNumber;
              var lastLineText = this.$lines.last() ? this.$lines.last().text : "";
  
              if (this.$fixedWidth || session.$useWrapMode)
                  lastLineText = session.getLength() + firstLineNumber - 1;
  
              var gutterWidth = gutterRenderer ?
                  gutterRenderer.getWidth(session, lastLineText, config) :
                  lastLineText.toString().length * config.characterWidth;
  
              var padding = this.$padding || this.$computePadding();
              gutterWidth += padding.left + padding.right;
              if (gutterWidth !== this.gutterWidth && !isNaN(gutterWidth)) {
                  this.gutterWidth = gutterWidth;
                  this.element.parentNode.style.width =
                      this.element.style.width = Math.ceil(this.gutterWidth) + "px";
                  this._signal("changeGutterWidth", gutterWidth);
              }
          };
  
          this.$updateCursorRow = function () {
              if (!this.$highlightGutterLine)
                  return;
  
              var position = this.session.selection.getCursor();
              if (this.$cursorRow === position.row)
                  return;
  
              this.$cursorRow = position.row;
          };
  
          this.updateLineHighlight = function () {
              if (!this.$highlightGutterLine)
                  return;
              var row = this.session.selection.cursor.row;
              this.$cursorRow = row;
  
              if (this.$cursorCell && this.$cursorCell.row == row)
                  return;
              if (this.$cursorCell)
                  this.$cursorCell.element.className = this.$cursorCell.element.className.replace("ace_gutter-active-line ", "");
              var cells = this.$lines.cells;
              this.$cursorCell = null;
              for (var i = 0; i < cells.length; i++) {
                  var cell = cells[i];
                  if (cell.row >= this.$cursorRow) {
                      if (cell.row > this.$cursorRow) {
                          var fold = this.session.getFoldLine(this.$cursorRow);
                          if (i > 0 && fold && fold.start.row == cells[i - 1].row)
                              cell = cells[i - 1];
                          else
                              break;
                      }
                      cell.element.className = "ace_gutter-active-line " + cell.element.className;
                      this.$cursorCell = cell;
                      break;
                  }
              }
          };
  
          this.scrollLines = function (config) {
              var oldConfig = this.config;
              this.config = config;
  
              this.$updateCursorRow();
              if (this.$lines.pageChanged(oldConfig, config))
                  return this.update(config);
  
              this.$lines.moveContainer(config);
  
              var lastRow = Math.min(config.lastRow + config.gutterOffset, // needed to compensate for hor scollbar
                  this.session.getLength() - 1);
              var oldLastRow = this.oldLastRow;
              this.oldLastRow = lastRow;
  
              if (!oldConfig || oldLastRow < config.firstRow)
                  return this.update(config);
  
              if (lastRow < oldConfig.firstRow)
                  return this.update(config);
  
              if (oldConfig.firstRow < config.firstRow)
                  for (var row = this.session.getFoldedRowCount(oldConfig.firstRow, config.firstRow - 1); row > 0; row--)
                      this.$lines.shift();
  
              if (oldLastRow > lastRow)
                  for (var row = this.session.getFoldedRowCount(lastRow + 1, oldLastRow); row > 0; row--)
                      this.$lines.pop();
  
              if (config.firstRow < oldConfig.firstRow) {
                  this.$lines.unshift(this.$renderLines(config, config.firstRow, oldConfig.firstRow - 1));
              }
  
              if (lastRow > oldLastRow) {
                  this.$lines.push(this.$renderLines(config, oldLastRow + 1, lastRow));
              }
  
              this.updateLineHighlight();
  
              this._signal("afterRender");
              this.$updateGutterWidth(config);
          };
  
          this.$renderLines = function (config, firstRow, lastRow) {
              var fragment = [];
              var row = firstRow;
              var foldLine = this.session.getNextFoldLine(row);
              var foldStart = foldLine ? foldLine.start.row : Infinity;
  
              while (true) {
                  if (row > foldStart) {
                      row = foldLine.end.row + 1;
                      foldLine = this.session.getNextFoldLine(row, foldLine);
                      foldStart = foldLine ? foldLine.start.row : Infinity;
                  }
                  if (row > lastRow)
                      break;
  
                  var cell = this.$lines.createCell(row, config, this.session, onCreateCell);
                  this.$renderCell(cell, config, foldLine, row);
                  fragment.push(cell);
  
                  row++;
              }
              return fragment;
          };
  
          this.$renderCell = function (cell, config, fold, row) {
              var element = cell.element;
  
              var session = this.session;
  
              var textNode = element.childNodes[0];
              var foldWidget = element.childNodes[1];
  
              var firstLineNumber = session.$firstLineNumber;
  
              var breakpoints = session.$breakpoints;
              var decorations = session.$decorations;
              var gutterRenderer = session.gutterRenderer || this.$renderer;
              var foldWidgets = this.$showFoldWidgets && session.foldWidgets;
              var foldStart = fold ? fold.start.row : Number.MAX_VALUE;
  
              var className = "ace_gutter-cell ";
              if (this.$highlightGutterLine) {
                  if (row == this.$cursorRow || (fold && row < this.$cursorRow && row >= foldStart && this.$cursorRow <= fold.end.row)) {
                      className += "ace_gutter-active-line ";
                      if (this.$cursorCell != cell) {
                          if (this.$cursorCell)
                              this.$cursorCell.element.className = this.$cursorCell.element.className.replace("ace_gutter-active-line ", "");
                          this.$cursorCell = cell;
                      }
                  }
              }
  
              if (breakpoints[row])
                  className += breakpoints[row];
              if (decorations[row])
                  className += decorations[row];
              if (this.$annotations[row])
                  className += this.$annotations[row].className;
              if (element.className != className)
                  element.className = className;
  
              if (foldWidgets) {
                  var c = foldWidgets[row];
                  if (c == null)
                      c = foldWidgets[row] = session.getFoldWidget(row);
              }
  
              if (c) {
                  var className = "ace_fold-widget ace_" + c;
                  if (c == "start" && row == foldStart && row < fold.end.row)
                      className += " ace_closed";
                  else
                      className += " ace_open";
                  if (foldWidget.className != className)
                      foldWidget.className = className;
  
                  var foldHeight = config.lineHeight + "px";
                  dom.setStyle(foldWidget.style, "height", foldHeight);
                  dom.setStyle(foldWidget.style, "display", "inline-block");
              } else {
                  if (foldWidget) {
                      dom.setStyle(foldWidget.style, "display", "none");
                  }
              }
  
              var text = (gutterRenderer ?
                  gutterRenderer.getText(session, row) :
                  row + firstLineNumber).toString();
  
              if (text !== textNode.data) {
                  textNode.data = text;
              }
  
              dom.setStyle(cell.element.style, "height", this.$lines.computeLineHeight(row, config, session) + "px");
              dom.setStyle(cell.element.style, "top", this.$lines.computeLineTop(row, config, session) + "px");
  
              cell.text = text;
              return cell;
          };
  
          this.$fixedWidth = false;
  
          this.$highlightGutterLine = true;
          this.$renderer = "";
          this.setHighlightGutterLine = function (highlightGutterLine) {
              this.$highlightGutterLine = highlightGutterLine;
          };
  
          this.$showLineNumbers = true;
          this.$renderer = "";
          this.setShowLineNumbers = function (show) {
              this.$renderer = !show && {
                  getWidth: function () {
                      return 0;
                  },
                  getText: function () {
                      return "";
                  }
              };
          };
  
          this.getShowLineNumbers = function () {
              return this.$showLineNumbers;
          };
  
          this.$showFoldWidgets = true;
          this.setShowFoldWidgets = function (show) {
              if (show)
                  dom.addCssClass(this.element, "ace_folding-enabled");
              else
                  dom.removeCssClass(this.element, "ace_folding-enabled");
  
              this.$showFoldWidgets = show;
              this.$padding = null;
          };
  
          this.getShowFoldWidgets = function () {
              return this.$showFoldWidgets;
          };
  
          this.$computePadding = function () {
              if (!this.element.firstChild)
                  return {
                      left: 0,
                      right: 0
                  };
              var style = dom.computedStyle(this.element.firstChild);
              this.$padding = {};
              this.$padding.left = (parseInt(style.borderLeftWidth) || 0) +
                  (parseInt(style.paddingLeft) || 0) + 1;
              this.$padding.right = (parseInt(style.borderRightWidth) || 0) +
                  (parseInt(style.paddingRight) || 0);
              return this.$padding;
          };
  
          this.getRegion = function (point) {
              var padding = this.$padding || this.$computePadding();
              var rect = this.element.getBoundingClientRect();
              if (point.x < padding.left + rect.left)
                  return "markers";
              if (this.$showFoldWidgets && point.x > rect.right - padding.right)
                  return "foldWidgets";
          };
  
      }).call(Gutter.prototype);
  
      function onCreateCell(element) {
          var textNode = document.createTextNode('');
          element.appendChild(textNode);
  
          var foldWidget = dom.createElement("span");
          element.appendChild(foldWidget);
  
          return element;
      }
  
      exports.Gutter = Gutter;
  
  });
  
  define("ace/layer/marker", ["require", "exports", "module", "ace/range", "ace/lib/dom"], function (require, exports, module) {
      "use strict";
  
      var Range = require("../range").Range;
      var dom = require("../lib/dom");
  
      var Marker = function (parentEl) {
          this.element = dom.createElement("div");
          this.element.className = "ace_layer ace_marker-layer";
          parentEl.appendChild(this.element);
      };
  
      (function () {
  
          this.$padding = 0;
  
          this.setPadding = function (padding) {
              this.$padding = padding;
          };
          this.setSession = function (session) {
              this.session = session;
          };
  
          this.setMarkers = function (markers) {
              this.markers = markers;
          };
  
          this.elt = function (className, css) {
              var x = this.i != -1 && this.element.childNodes[this.i];
              if (!x) {
                  x = document.createElement("div");
                  this.element.appendChild(x);
                  this.i = -1;
              } else {
                  this.i++;
              }
              x.style.cssText = css;
              x.className = className;
          };
  
          this.update = function (config) {
              if (!config) return;
  
              this.config = config;
  
              this.i = 0;
              var html;
              for (var key in this.markers) {
                  var marker = this.markers[key];
  
                  if (!marker.range) {
                      marker.update(html, this, this.session, config);
                      continue;
                  }
  
                  var range = marker.range.clipRows(config.firstRow, config.lastRow);
                  if (range.isEmpty()) continue;
  
                  range = range.toScreenRange(this.session);
                  if (marker.renderer) {
                      var top = this.$getTop(range.start.row, config);
                      var left = this.$padding + range.start.column * config.characterWidth;
                      marker.renderer(html, range, left, top, config);
                  } else if (marker.type == "fullLine") {
                      this.drawFullLineMarker(html, range, marker.clazz, config);
                  } else if (marker.type == "screenLine") {
                      this.drawScreenLineMarker(html, range, marker.clazz, config);
                  } else if (range.isMultiLine()) {
                      if (marker.type == "text")
                          this.drawTextMarker(html, range, marker.clazz, config);
                      else
                          this.drawMultiLineMarker(html, range, marker.clazz, config);
                  } else {
                      this.drawSingleLineMarker(html, range, marker.clazz + " ace_start" + " ace_br15", config);
                  }
              }
              if (this.i != -1) {
                  while (this.i < this.element.childElementCount)
                      this.element.removeChild(this.element.lastChild);
              }
          };
  
          this.$getTop = function (row, layerConfig) {
              return (row - layerConfig.firstRowScreen) * layerConfig.lineHeight;
          };
  
          function getBorderClass(tl, tr, br, bl) {
              return (tl ? 1 : 0) | (tr ? 2 : 0) | (br ? 4 : 0) | (bl ? 8 : 0);
          }
          this.drawTextMarker = function (stringBuilder, range, clazz, layerConfig, extraStyle) {
              var session = this.session;
              var start = range.start.row;
              var end = range.end.row;
              var row = start;
              var prev = 0;
              var curr = 0;
              var next = session.getScreenLastRowColumn(row);
              var lineRange = new Range(row, range.start.column, row, curr);
              for (; row <= end; row++) {
                  lineRange.start.row = lineRange.end.row = row;
                  lineRange.start.column = row == start ? range.start.column : session.getRowWrapIndent(row);
                  lineRange.end.column = next;
                  prev = curr;
                  curr = next;
                  next = row + 1 < end ? session.getScreenLastRowColumn(row + 1) : row == end ? 0 : range.end.column;
                  this.drawSingleLineMarker(stringBuilder, lineRange,
                      clazz + (row == start ? " ace_start" : "") + " ace_br" +
                      getBorderClass(row == start || row == start + 1 && range.start.column, prev < curr, curr > next, row == end),
                      layerConfig, row == end ? 0 : 1, extraStyle);
              }
          };
          this.drawMultiLineMarker = function (stringBuilder, range, clazz, config, extraStyle) {
              var padding = this.$padding;
              var height = config.lineHeight;
              var top = this.$getTop(range.start.row, config);
              var left = padding + range.start.column * config.characterWidth;
              extraStyle = extraStyle || "";
  
              if (this.session.$bidiHandler.isBidiRow(range.start.row)) {
                  var range1 = range.clone();
                  range1.end.row = range1.start.row;
                  range1.end.column = this.session.getLine(range1.start.row).length;
                  this.drawBidiSingleLineMarker(stringBuilder, range1, clazz + " ace_br1 ace_start", config, null, extraStyle);
              } else {
                  this.elt(
                      clazz + " ace_br1 ace_start",
                      "height:" + height + "px;" + "right:0;" + "top:" + top + "px;left:" + left + "px;" + (extraStyle || "")
                  );
              }
              if (this.session.$bidiHandler.isBidiRow(range.end.row)) {
                  var range1 = range.clone();
                  range1.start.row = range1.end.row;
                  range1.start.column = 0;
                  this.drawBidiSingleLineMarker(stringBuilder, range1, clazz + " ace_br12", config, null, extraStyle);
              } else {
                  top = this.$getTop(range.end.row, config);
                  var width = range.end.column * config.characterWidth;
  
                  this.elt(
                      clazz + " ace_br12",
                      "height:" + height + "px;" +
                      "width:" + width + "px;" +
                      "top:" + top + "px;" +
                      "left:" + padding + "px;" + (extraStyle || "")
                  );
              }
              height = (range.end.row - range.start.row - 1) * config.lineHeight;
              if (height <= 0)
                  return;
              top = this.$getTop(range.start.row + 1, config);
  
              var radiusClass = (range.start.column ? 1 : 0) | (range.end.column ? 0 : 8);
  
              this.elt(
                  clazz + (radiusClass ? " ace_br" + radiusClass : ""),
                  "height:" + height + "px;" +
                  "right:0;" +
                  "top:" + top + "px;" +
                  "left:" + padding + "px;" + (extraStyle || "")
              );
          };
          this.drawSingleLineMarker = function (stringBuilder, range, clazz, config, extraLength, extraStyle) {
              if (this.session.$bidiHandler.isBidiRow(range.start.row))
                  return this.drawBidiSingleLineMarker(stringBuilder, range, clazz, config, extraLength, extraStyle);
              var height = config.lineHeight;
              var width = (range.end.column + (extraLength || 0) - range.start.column) * config.characterWidth;
  
              var top = this.$getTop(range.start.row, config);
              var left = this.$padding + range.start.column * config.characterWidth;
  
              this.elt(
                  clazz,
                  "height:" + height + "px;" +
                  "width:" + width + "px;" +
                  "top:" + top + "px;" +
                  "left:" + left + "px;" + (extraStyle || "")
              );
          };
          this.drawBidiSingleLineMarker = function (stringBuilder, range, clazz, config, extraLength, extraStyle) {
              var height = config.lineHeight,
                  top = this.$getTop(range.start.row, config),
                  padding = this.$padding;
              var selections = this.session.$bidiHandler.getSelections(range.start.column, range.end.column);
  
              selections.forEach(function (selection) {
                  this.elt(
                      clazz,
                      "height:" + height + "px;" +
                      "width:" + selection.width + (extraLength || 0) + "px;" +
                      "top:" + top + "px;" +
                      "left:" + (padding + selection.left) + "px;" + (extraStyle || "")
                  );
              }, this);
          };
  
          this.drawFullLineMarker = function (stringBuilder, range, clazz, config, extraStyle) {
              var top = this.$getTop(range.start.row, config);
              var height = config.lineHeight;
              if (range.start.row != range.end.row)
                  height += this.$getTop(range.end.row, config) - top;
  
              this.elt(
                  clazz,
                  "height:" + height + "px;" +
                  "top:" + top + "px;" +
                  "left:0;right:0;" + (extraStyle || "")
              );
          };
  
          this.drawScreenLineMarker = function (stringBuilder, range, clazz, config, extraStyle) {
              var top = this.$getTop(range.start.row, config);
              var height = config.lineHeight;
  
              this.elt(
                  clazz,
                  "height:" + height + "px;" +
                  "top:" + top + "px;" +
                  "left:0;right:0;" + (extraStyle || "")
              );
          };
  
      }).call(Marker.prototype);
  
      exports.Marker = Marker;
  
  });
  
  define("ace/layer/text", ["require", "exports", "module", "ace/lib/oop", "ace/lib/dom", "ace/lib/lang", "ace/layer/lines", "ace/lib/event_emitter"], function (require, exports, module) {
      "use strict";
  
      var oop = require("../lib/oop");
      var dom = require("../lib/dom");
      var lang = require("../lib/lang");
      var Lines = require("./lines").Lines;
      var EventEmitter = require("../lib/event_emitter").EventEmitter;
  
      var Text = function (parentEl) {
          this.dom = dom;
          this.element = this.dom.createElement("div");
          this.element.className = "ace_layer ace_text-layer";
          parentEl.appendChild(this.element);
          this.$updateEolChar = this.$updateEolChar.bind(this);
          this.$lines = new Lines(this.element);
      };
  
      (function () {
  
          oop.implement(this, EventEmitter);
  
          this.EOF_CHAR = "\xB6";
          this.EOL_CHAR_LF = "\xAC";
          this.EOL_CHAR_CRLF = "\xa4";
          this.EOL_CHAR = this.EOL_CHAR_LF;
          this.TAB_CHAR = "\u2014"; //"\u21E5";
          this.SPACE_CHAR = "\xB7";
          this.$padding = 0;
          this.MAX_LINE_LENGTH = 10000;
  
          this.$updateEolChar = function () {
              var doc = this.session.doc;
              var unixMode = doc.getNewLineCharacter() == "\n" && doc.getNewLineMode() != "windows";
              var EOL_CHAR = unixMode ? this.EOL_CHAR_LF : this.EOL_CHAR_CRLF;
              if (this.EOL_CHAR != EOL_CHAR) {
                  this.EOL_CHAR = EOL_CHAR;
                  return true;
              }
          };
  
          this.setPadding = function (padding) {
              this.$padding = padding;
              this.element.style.margin = "0 " + padding + "px";
          };
  
          this.getLineHeight = function () {
              return this.$fontMetrics.$characterSize.height || 0;
          };
  
          this.getCharacterWidth = function () {
              return this.$fontMetrics.$characterSize.width || 0;
          };
  
          this.$setFontMetrics = function (measure) {
              this.$fontMetrics = measure;
              this.$fontMetrics.on("changeCharacterSize", function (e) {
                  this._signal("changeCharacterSize", e);
              }.bind(this));
              this.$pollSizeChanges();
          };
  
          this.checkForSizeChanges = function () {
              this.$fontMetrics.checkForSizeChanges();
          };
          this.$pollSizeChanges = function () {
              return this.$pollSizeChangesTimer = this.$fontMetrics.$pollSizeChanges();
          };
          this.setSession = function (session) {
              this.session = session;
              if (session)
                  this.$computeTabString();
          };
  
          this.showInvisibles = false;
          this.showSpaces = false;
          this.showTabs = false;
          this.showEOL = false;
          this.setShowInvisibles = function (showInvisibles) {
              if (this.showInvisibles == showInvisibles)
                  return false;
  
              this.showInvisibles = showInvisibles;
              if (typeof showInvisibles == "string") {
                  this.showSpaces = /tab/i.test(showInvisibles);
                  this.showTabs = /space/i.test(showInvisibles);
                  this.showEOL = /eol/i.test(showInvisibles);
              } else {
                  this.showSpaces = this.showTabs = this.showEOL = showInvisibles;
              }
              this.$computeTabString();
              return true;
          };
  
          this.displayIndentGuides = true;
          this.setDisplayIndentGuides = function (display) {
              if (this.displayIndentGuides == display)
                  return false;
  
              this.displayIndentGuides = display;
              this.$computeTabString();
              return true;
          };
  
          this.$tabStrings = [];
          this.onChangeTabSize =
              this.$computeTabString = function () {
                  var tabSize = this.session.getTabSize();
                  this.tabSize = tabSize;
                  var tabStr = this.$tabStrings = [0];
                  for (var i = 1; i < tabSize + 1; i++) {
                      if (this.showTabs) {
                          var span = this.dom.createElement("span");
                          span.className = "ace_invisible ace_invisible_tab";
                          span.textContent = lang.stringRepeat(this.TAB_CHAR, i);
                          tabStr.push(span);
                      } else {
                          tabStr.push(this.dom.createTextNode(lang.stringRepeat(" ", i), this.element));
                      }
                  }
                  if (this.displayIndentGuides) {
                      this.$indentGuideRe = /\s\S| \t|\t |\s$/;
                      var className = "ace_indent-guide";
                      var spaceClass = this.showSpaces ? " ace_invisible ace_invisible_space" : "";
                      var spaceContent = this.showSpaces ?
                          lang.stringRepeat(this.SPACE_CHAR, this.tabSize) :
                          lang.stringRepeat(" ", this.tabSize);
  
                      var tabClass = this.showTabs ? " ace_invisible ace_invisible_tab" : "";
                      var tabContent = this.showTabs ?
                          lang.stringRepeat(this.TAB_CHAR, this.tabSize) :
                          spaceContent;
  
                      var span = this.dom.createElement("span");
                      span.className = className + spaceClass;
                      span.textContent = spaceContent;
                      this.$tabStrings[" "] = span;
  
                      var span = this.dom.createElement("span");
                      span.className = className + tabClass;
                      span.textContent = tabContent;
                      this.$tabStrings["\t"] = span;
                  }
              };
  
          this.updateLines = function (config, firstRow, lastRow) {
              if (this.config.lastRow != config.lastRow ||
                  this.config.firstRow != config.firstRow) {
                  return this.update(config);
              }
  
              this.config = config;
  
              var first = Math.max(firstRow, config.firstRow);
              var last = Math.min(lastRow, config.lastRow);
  
              var lineElements = this.element.childNodes;
              var lineElementsIdx = 0;
  
              for (var row = config.firstRow; row < first; row++) {
                  var foldLine = this.session.getFoldLine(row);
                  if (foldLine) {
                      if (foldLine.containsRow(first)) {
                          first = foldLine.start.row;
                          break;
                      } else {
                          row = foldLine.end.row;
                      }
                  }
                  lineElementsIdx++;
              }
  
              var heightChanged = false;
              var row = first;
              var foldLine = this.session.getNextFoldLine(row);
              var foldStart = foldLine ? foldLine.start.row : Infinity;
  
              while (true) {
                  if (row > foldStart) {
                      row = foldLine.end.row + 1;
                      foldLine = this.session.getNextFoldLine(row, foldLine);
                      foldStart = foldLine ? foldLine.start.row : Infinity;
                  }
                  if (row > last)
                      break;
  
                  var lineElement = lineElements[lineElementsIdx++];
                  if (lineElement) {
                      this.dom.removeChildren(lineElement);
                      this.$renderLine(
                          lineElement, row, row == foldStart ? foldLine : false
                      );
  
                      if (heightChanged)
                          lineElement.style.top = this.$lines.computeLineTop(row, config, this.session) + "px";
  
                      var height = (config.lineHeight * this.session.getRowLength(row)) + "px";
                      if (lineElement.style.height != height) {
                          heightChanged = true;
                          lineElement.style.height = height;
                      }
                  }
                  row++;
              }
              if (heightChanged) {
                  while (lineElementsIdx < this.$lines.cells.length) {
                      var cell = this.$lines.cells[lineElementsIdx++];
                      cell.element.style.top = this.$lines.computeLineTop(cell.row, config, this.session) + "px";
                  }
              }
          };
  
          this.scrollLines = function (config) {
              var oldConfig = this.config;
              this.config = config;
  
              if (this.$lines.pageChanged(oldConfig, config))
                  return this.update(config);
  
              this.$lines.moveContainer(config);
  
              var lastRow = config.lastRow;
              var oldLastRow = oldConfig ? oldConfig.lastRow : -1;
  
              if (!oldConfig || oldLastRow < config.firstRow)
                  return this.update(config);
  
              if (lastRow < oldConfig.firstRow)
                  return this.update(config);
  
              if (!oldConfig || oldConfig.lastRow < config.firstRow)
                  return this.update(config);
  
              if (config.lastRow < oldConfig.firstRow)
                  return this.update(config);
  
              if (oldConfig.firstRow < config.firstRow)
                  for (var row = this.session.getFoldedRowCount(oldConfig.firstRow, config.firstRow - 1); row > 0; row--)
                      this.$lines.shift();
  
              if (oldConfig.lastRow > config.lastRow)
                  for (var row = this.session.getFoldedRowCount(config.lastRow + 1, oldConfig.lastRow); row > 0; row--)
                      this.$lines.pop();
  
              if (config.firstRow < oldConfig.firstRow) {
                  this.$lines.unshift(this.$renderLinesFragment(config, config.firstRow, oldConfig.firstRow - 1));
              }
  
              if (config.lastRow > oldConfig.lastRow) {
                  this.$lines.push(this.$renderLinesFragment(config, oldConfig.lastRow + 1, config.lastRow));
              }
          };
  
          this.$renderLinesFragment = function (config, firstRow, lastRow) {
              var fragment = [];
              var row = firstRow;
              var foldLine = this.session.getNextFoldLine(row);
              var foldStart = foldLine ? foldLine.start.row : Infinity;
  
              while (true) {
                  if (row > foldStart) {
                      row = foldLine.end.row + 1;
                      foldLine = this.session.getNextFoldLine(row, foldLine);
                      foldStart = foldLine ? foldLine.start.row : Infinity;
                  }
                  if (row > lastRow)
                      break;
  
                  var line = this.$lines.createCell(row, config, this.session);
  
                  var lineEl = line.element;
                  this.dom.removeChildren(lineEl);
                  dom.setStyle(lineEl.style, "height", this.$lines.computeLineHeight(row, config, this.session) + "px");
                  dom.setStyle(lineEl.style, "top", this.$lines.computeLineTop(row, config, this.session) + "px");
                  this.$renderLine(lineEl, row, row == foldStart ? foldLine : false);
  
                  if (this.$useLineGroups()) {
                      lineEl.className = "ace_line_group";
                  } else {
                      lineEl.className = "ace_line";
                  }
                  fragment.push(line);
  
                  row++;
              }
              return fragment;
          };
  
          this.update = function (config) {
              this.$lines.moveContainer(config);
  
              this.config = config;
  
              var firstRow = config.firstRow;
              var lastRow = config.lastRow;
  
              var lines = this.$lines;
              while (lines.getLength())
                  lines.pop();
  
              lines.push(this.$renderLinesFragment(config, firstRow, lastRow));
          };
  
          this.$textToken = {
              "text": true,
              "rparen": true,
              "lparen": true
          };
  
          this.$renderToken = function (parent, screenColumn, token, value) {
              var self = this;
              var re = /(\t)|( +)|([\x00-\x1f\x80-\xa0\xad\u1680\u180E\u2000-\u200f\u2028\u2029\u202F\u205F\uFEFF\uFFF9-\uFFFC]+)|(\u3000)|([\u1100-\u115F\u11A3-\u11A7\u11FA-\u11FF\u2329-\u232A\u2E80-\u2E99\u2E9B-\u2EF3\u2F00-\u2FD5\u2FF0-\u2FFB\u3001-\u303E\u3041-\u3096\u3099-\u30FF\u3105-\u312D\u3131-\u318E\u3190-\u31BA\u31C0-\u31E3\u31F0-\u321E\u3220-\u3247\u3250-\u32FE\u3300-\u4DBF\u4E00-\uA48C\uA490-\uA4C6\uA960-\uA97C\uAC00-\uD7A3\uD7B0-\uD7C6\uD7CB-\uD7FB\uF900-\uFAFF\uFE10-\uFE19\uFE30-\uFE52\uFE54-\uFE66\uFE68-\uFE6B\uFF01-\uFF60\uFFE0-\uFFE6]|[\uD800-\uDBFF][\uDC00-\uDFFF])/g;
  
              var valueFragment = this.dom.createFragment(this.element);
  
              var m;
              var i = 0;
              while (m = re.exec(value)) {
                  var tab = m[1];
                  var simpleSpace = m[2];
                  var controlCharacter = m[3];
                  var cjkSpace = m[4];
                  var cjk = m[5];
  
                  if (!self.showSpaces && simpleSpace)
                      continue;
  
                  var before = i != m.index ? value.slice(i, m.index) : "";
  
                  i = m.index + m[0].length;
  
                  if (before) {
                      valueFragment.appendChild(this.dom.createTextNode(before, this.element));
                  }
  
                  if (tab) {
                      var tabSize = self.session.getScreenTabSize(screenColumn + m.index);
                      valueFragment.appendChild(self.$tabStrings[tabSize].cloneNode(true));
                      screenColumn += tabSize - 1;
                  } else if (simpleSpace) {
                      if (self.showSpaces) {
                          var span = this.dom.createElement("span");
                          span.className = "ace_invisible ace_invisible_space";
                          span.textContent = lang.stringRepeat(self.SPACE_CHAR, simpleSpace.length);
                          valueFragment.appendChild(span);
                      } else {
                          valueFragment.appendChild(this.com.createTextNode(simpleSpace, this.element));
                      }
                  } else if (controlCharacter) {
                      var span = this.dom.createElement("span");
                      span.className = "ace_invisible ace_invisible_space ace_invalid";
                      span.textContent = lang.stringRepeat(self.SPACE_CHAR, controlCharacter.length);
                      valueFragment.appendChild(span);
                  } else if (cjkSpace) {
                      screenColumn += 1;
  
                      var span = this.dom.createElement("span");
                      span.style.width = (self.config.characterWidth * 2) + "px";
                      span.className = self.showSpaces ? "ace_cjk ace_invisible ace_invisible_space" : "ace_cjk";
                      span.textContent = self.showSpaces ? self.SPACE_CHAR : cjkSpace;
                      valueFragment.appendChild(span);
                  } else if (cjk) {
                      screenColumn += 1;
                      var span = this.dom.createElement("span");
                      span.style.width = (self.config.characterWidth * 2) + "px";
                      span.className = "ace_cjk";
                      span.textContent = cjk;
                      valueFragment.appendChild(span);
                  }
              }
  
              valueFragment.appendChild(this.dom.createTextNode(i ? value.slice(i) : value, this.element));
  
              if (!this.$textToken[token.type]) {
                  var classes = "ace_" + token.type.replace(/\./g, " ace_");
                  var span = this.dom.createElement("span");
                  if (token.type == "fold")
                      span.style.width = (token.value.length * this.config.characterWidth) + "px";
  
                  span.className = classes;
                  span.appendChild(valueFragment);
  
                  parent.appendChild(span);
              } else {
                  parent.appendChild(valueFragment);
              }
  
              return screenColumn + value.length;
          };
  
          this.renderIndentGuide = function (parent, value, max) {
              var cols = value.search(this.$indentGuideRe);
              if (cols <= 0 || cols >= max)
                  return value;
              if (value[0] == " ") {
                  cols -= cols % this.tabSize;
                  var count = cols / this.tabSize;
                  for (var i = 0; i < count; i++) {
                      parent.appendChild(this.$tabStrings[" "].cloneNode(true));
                  }
                  return value.substr(cols);
              } else if (value[0] == "\t") {
                  for (var i = 0; i < cols; i++) {
                      parent.appendChild(this.$tabStrings["\t"].cloneNode(true));
                  }
                  return value.substr(cols);
              }
              return value;
          };
  
          this.$createLineElement = function (parent) {
              var lineEl = this.dom.createElement("div");
              lineEl.className = "ace_line";
              lineEl.style.height = this.config.lineHeight + "px";
  
              return lineEl;
          };
  
          this.$renderWrappedLine = function (parent, tokens, splits) {
              var chars = 0;
              var split = 0;
              var splitChars = splits[0];
              var screenColumn = 0;
  
              var lineEl = this.$createLineElement();
              parent.appendChild(lineEl);
  
              for (var i = 0; i < tokens.length; i++) {
                  var token = tokens[i];
                  var value = token.value;
                  if (i == 0 && this.displayIndentGuides) {
                      chars = value.length;
                      value = this.renderIndentGuide(lineEl, value, splitChars);
                      if (!value)
                          continue;
                      chars -= value.length;
                  }
  
                  if (chars + value.length < splitChars) {
                      screenColumn = this.$renderToken(lineEl, screenColumn, token, value);
                      chars += value.length;
                  } else {
                      while (chars + value.length >= splitChars) {
                          screenColumn = this.$renderToken(
                              lineEl, screenColumn,
                              token, value.substring(0, splitChars - chars)
                          );
                          value = value.substring(splitChars - chars);
                          chars = splitChars;
  
                          lineEl = this.$createLineElement();
                          parent.appendChild(lineEl);
  
                          lineEl.appendChild(this.dom.createTextNode(lang.stringRepeat("\xa0", splits.indent), this.element));
  
                          split++;
                          screenColumn = 0;
                          splitChars = splits[split] || Number.MAX_VALUE;
                      }
                      if (value.length != 0) {
                          chars += value.length;
                          screenColumn = this.$renderToken(
                              lineEl, screenColumn, token, value
                          );
                      }
                  }
              }
  
              if (splits[splits.length - 1] > this.MAX_LINE_LENGTH)
                  this.$renderOverflowMessage(lineEl, screenColumn, null, "", true);
          };
  
          this.$renderSimpleLine = function (parent, tokens) {
              var screenColumn = 0;
              var token = tokens[0];
              var value = token.value;
              if (this.displayIndentGuides)
                  value = this.renderIndentGuide(parent, value);
              if (value)
                  screenColumn = this.$renderToken(parent, screenColumn, token, value);
              for (var i = 1; i < tokens.length; i++) {
                  token = tokens[i];
                  value = token.value;
                  if (screenColumn + value.length > this.MAX_LINE_LENGTH)
                      return this.$renderOverflowMessage(parent, screenColumn, token, value);
                  screenColumn = this.$renderToken(parent, screenColumn, token, value);
              }
          };
  
          this.$renderOverflowMessage = function (parent, screenColumn, token, value, hide) {
              token && this.$renderToken(parent, screenColumn, token,
                  value.slice(0, this.MAX_LINE_LENGTH - screenColumn));
  
              var overflowEl = this.dom.createElement("span");
              overflowEl.className = "ace_inline_button ace_keyword ace_toggle_wrap";
              overflowEl.textContent = hide ? "<hide>" : "<click to see more...>";
  
              parent.appendChild(overflowEl);
          };
          this.$renderLine = function (parent, row, foldLine) {
              if (!foldLine && foldLine != false)
                  foldLine = this.session.getFoldLine(row);
  
              if (foldLine)
                  var tokens = this.$getFoldLineTokens(row, foldLine);
              else
                  var tokens = this.session.getTokens(row);
  
              var lastLineEl = parent;
              if (tokens.length) {
                  var splits = this.session.getRowSplitData(row);
                  if (splits && splits.length) {
                      this.$renderWrappedLine(parent, tokens, splits);
                      var lastLineEl = parent.lastChild;
                  } else {
                      var lastLineEl = parent;
                      if (this.$useLineGroups()) {
                          lastLineEl = this.$createLineElement();
                          parent.appendChild(lastLineEl);
                      }
                      this.$renderSimpleLine(lastLineEl, tokens);
                  }
              } else if (this.$useLineGroups()) {
                  lastLineEl = this.$createLineElement();
                  parent.appendChild(lastLineEl);
              }
  
              if (this.showEOL && lastLineEl) {
                  if (foldLine)
                      row = foldLine.end.row;
  
                  var invisibleEl = this.dom.createElement("span");
                  invisibleEl.className = "ace_invisible ace_invisible_eol";
                  invisibleEl.textContent = row == this.session.getLength() - 1 ? this.EOF_CHAR : this.EOL_CHAR;
  
                  lastLineEl.appendChild(invisibleEl);
              }
          };
  
          this.$getFoldLineTokens = function (row, foldLine) {
              var session = this.session;
              var renderTokens = [];
  
              function addTokens(tokens, from, to) {
                  var idx = 0,
                      col = 0;
                  while ((col + tokens[idx].value.length) < from) {
                      col += tokens[idx].value.length;
                      idx++;
  
                      if (idx == tokens.length)
                          return;
                  }
                  if (col != from) {
                      var value = tokens[idx].value.substring(from - col);
                      if (value.length > (to - from))
                          value = value.substring(0, to - from);
  
                      renderTokens.push({
                          type: tokens[idx].type,
                          value: value
                      });
  
                      col = from + value.length;
                      idx += 1;
                  }
  
                  while (col < to && idx < tokens.length) {
                      var value = tokens[idx].value;
                      if (value.length + col > to) {
                          renderTokens.push({
                              type: tokens[idx].type,
                              value: value.substring(0, to - col)
                          });
                      } else
                          renderTokens.push(tokens[idx]);
                      col += value.length;
                      idx += 1;
                  }
              }
  
              var tokens = session.getTokens(row);
              foldLine.walk(function (placeholder, row, column, lastColumn, isNewRow) {
                  if (placeholder != null) {
                      renderTokens.push({
                          type: "fold",
                          value: placeholder
                      });
                  } else {
                      if (isNewRow)
                          tokens = session.getTokens(row);
  
                      if (tokens.length)
                          addTokens(tokens, lastColumn, column);
                  }
              }, foldLine.end.row, this.session.getLine(foldLine.end.row).length);
  
              return renderTokens;
          };
  
          this.$useLineGroups = function () {
              return this.session.getUseWrapMode();
          };
  
          this.destroy = function () {};
      }).call(Text.prototype);
  
      exports.Text = Text;
  
  });
  
  define("ace/layer/cursor", ["require", "exports", "module", "ace/lib/dom"], function (require, exports, module) {
      "use strict";
  
      var dom = require("../lib/dom");
  
      var Cursor = function (parentEl) {
          this.element = dom.createElement("div");
          this.element.className = "ace_layer ace_cursor-layer";
          parentEl.appendChild(this.element);
  
          this.isVisible = false;
          this.isBlinking = true;
          this.blinkInterval = 1000;
          this.smoothBlinking = false;
  
          this.cursors = [];
          this.cursor = this.addCursor();
          dom.addCssClass(this.element, "ace_hidden-cursors");
          this.$updateCursors = this.$updateOpacity.bind(this);
      };
  
      (function () {
  
          this.$updateOpacity = function (val) {
              var cursors = this.cursors;
              for (var i = cursors.length; i--;)
                  dom.setStyle(cursors[i].style, "opacity", val ? "" : "0");
          };
  
          this.$startCssAnimation = function () {
              var cursors = this.cursors;
              for (var i = cursors.length; i--;)
                  cursors[i].style.animationDuration = this.blinkInterval + "ms";
  
              setTimeout(function () {
                  dom.addCssClass(this.element, "ace_animate-blinking");
              }.bind(this));
          };
  
          this.$stopCssAnimation = function () {
              dom.removeCssClass(this.element, "ace_animate-blinking");
          };
  
          this.$padding = 0;
          this.setPadding = function (padding) {
              this.$padding = padding;
          };
  
          this.setSession = function (session) {
              this.session = session;
          };
  
          this.setBlinking = function (blinking) {
              if (blinking != this.isBlinking) {
                  this.isBlinking = blinking;
                  this.restartTimer();
              }
          };
  
          this.setBlinkInterval = function (blinkInterval) {
              if (blinkInterval != this.blinkInterval) {
                  this.blinkInterval = blinkInterval;
                  this.restartTimer();
              }
          };
  
          this.setSmoothBlinking = function (smoothBlinking) {
              if (smoothBlinking != this.smoothBlinking) {
                  this.smoothBlinking = smoothBlinking;
                  dom.setCssClass(this.element, "ace_smooth-blinking", smoothBlinking);
                  this.$updateCursors(true);
                  this.restartTimer();
              }
          };
  
          this.addCursor = function () {
              var el = dom.createElement("div");
              el.className = "ace_cursor";
              this.element.appendChild(el);
              this.cursors.push(el);
              return el;
          };
  
          this.removeCursor = function () {
              if (this.cursors.length > 1) {
                  var el = this.cursors.pop();
                  el.parentNode.removeChild(el);
                  return el;
              }
          };
  
          this.hideCursor = function () {
              this.isVisible = false;
              dom.addCssClass(this.element, "ace_hidden-cursors");
              this.restartTimer();
          };
  
          this.showCursor = function () {
              this.isVisible = true;
              dom.removeCssClass(this.element, "ace_hidden-cursors");
              this.restartTimer();
          };
  
          this.restartTimer = function () {
              var update = this.$updateCursors;
              clearInterval(this.intervalId);
              clearTimeout(this.timeoutId);
              this.$stopCssAnimation();
  
              if (this.smoothBlinking) {
                  dom.removeCssClass(this.element, "ace_smooth-blinking");
              }
  
              update(true);
  
              if (!this.isBlinking || !this.blinkInterval || !this.isVisible) {
                  this.$stopCssAnimation();
                  return;
              }
  
              if (this.smoothBlinking) {
                  setTimeout(function () {
                      dom.addCssClass(this.element, "ace_smooth-blinking");
                  }.bind(this));
              }
  
              if (dom.HAS_CSS_ANIMATION) {
                  this.$startCssAnimation();
              } else {
                  var blink = function () {
                      this.timeoutId = setTimeout(function () {
                          update(false);
                      }, 0.6 * this.blinkInterval);
                  }.bind(this);
  
                  this.intervalId = setInterval(function () {
                      update(true);
                      blink();
                  }, this.blinkInterval);
                  blink();
              }
          };
  
          this.getPixelPosition = function (position, onScreen) {
              if (!this.config || !this.session)
                  return {
                      left: 0,
                      top: 0
                  };
  
              if (!position)
                  position = this.session.selection.getCursor();
              var pos = this.session.documentToScreenPosition(position);
              var cursorLeft = this.$padding + (this.session.$bidiHandler.isBidiRow(pos.row, position.row) ?
                  this.session.$bidiHandler.getPosLeft(pos.column) :
                  pos.column * this.config.characterWidth);
  
              var cursorTop = (pos.row - (onScreen ? this.config.firstRowScreen : 0)) *
                  this.config.lineHeight;
  
              return {
                  left: cursorLeft,
                  top: cursorTop
              };
          };
  
          this.isCursorInView = function (pixelPos, config) {
              return pixelPos.top >= 0 && pixelPos.top < config.maxHeight;
          };
  
          this.update = function (config) {
              this.config = config;
  
              var selections = this.session.$selectionMarkers;
              var i = 0,
                  cursorIndex = 0;
  
              if (selections === undefined || selections.length === 0) {
                  selections = [{
                      cursor: null
                  }];
              }
  
              for (var i = 0, n = selections.length; i < n; i++) {
                  var pixelPos = this.getPixelPosition(selections[i].cursor, true);
                  if ((pixelPos.top > config.height + config.offset ||
                          pixelPos.top < 0) && i > 1) {
                      continue;
                  }
  
                  var element = this.cursors[cursorIndex++] || this.addCursor();
                  var style = element.style;
  
                  if (!this.drawCursor) {
                      if (!this.isCursorInView(pixelPos, config)) {
                          dom.setStyle(style, "display", "none");
                      } else {
                          dom.setStyle(style, "display", "block");
                          dom.translate(element, pixelPos.left, pixelPos.top);
                          dom.setStyle(style, "width", Math.round(config.characterWidth) + "px");
                          dom.setStyle(style, "height", config.lineHeight + "px");
                      }
                  } else {
                      this.drawCursor(element, pixelPos, config, selections[i], this.session);
                  }
              }
              while (this.cursors.length > cursorIndex)
                  this.removeCursor();
  
              var overwrite = this.session.getOverwrite();
              this.$setOverwrite(overwrite);
              this.$pixelPos = pixelPos;
              this.restartTimer();
          };
  
          this.drawCursor = null;
  
          this.$setOverwrite = function (overwrite) {
              if (overwrite != this.overwrite) {
                  this.overwrite = overwrite;
                  if (overwrite)
                      dom.addCssClass(this.element, "ace_overwrite-cursors");
                  else
                      dom.removeCssClass(this.element, "ace_overwrite-cursors");
              }
          };
  
          this.destroy = function () {
              clearInterval(this.intervalId);
              clearTimeout(this.timeoutId);
          };
  
      }).call(Cursor.prototype);
  
      exports.Cursor = Cursor;
  
  });
  
  define("ace/scrollbar", ["require", "exports", "module", "ace/lib/oop", "ace/lib/dom", "ace/lib/event", "ace/lib/event_emitter"], function (require, exports, module) {
      "use strict";
  
      var oop = require("./lib/oop");
      var dom = require("./lib/dom");
      var event = require("./lib/event");
      var EventEmitter = require("./lib/event_emitter").EventEmitter;
      var MAX_SCROLL_H = 0x8000;
      var ScrollBar = function (parent) {
          this.element = dom.createElement("div");
          this.element.className = "ace_scrollbar ace_scrollbar" + this.classSuffix;
  
          this.inner = dom.createElement("div");
          this.inner.className = "ace_scrollbar-inner";
          this.inner.textContent = "\xa0";
          this.element.appendChild(this.inner);
  
          parent.appendChild(this.element);
  
          this.setVisible(false);
          this.skipEvent = false;
  
          event.addListener(this.element, "scroll", this.onScroll.bind(this));
          event.addListener(this.element, "mousedown", event.preventDefault);
      };
  
      (function () {
          oop.implement(this, EventEmitter);
  
          this.setVisible = function (isVisible) {
              this.element.style.display = isVisible ? "" : "none";
              this.isVisible = isVisible;
              this.coeff = 1;
          };
      }).call(ScrollBar.prototype);
      var VScrollBar = function (parent, renderer) {
          ScrollBar.call(this, parent);
          this.scrollTop = 0;
          this.scrollHeight = 0;
          renderer.$scrollbarWidth =
              this.width = dom.scrollbarWidth(parent.ownerDocument);
          this.inner.style.width =
              this.element.style.width = (this.width || 15) + 5 + "px";
          this.$minWidth = 0;
      };
  
      oop.inherits(VScrollBar, ScrollBar);
  
      (function () {
  
          this.classSuffix = '-v';
          this.onScroll = function () {
              if (!this.skipEvent) {
                  this.scrollTop = this.element.scrollTop;
                  if (this.coeff != 1) {
                      var h = this.element.clientHeight / this.scrollHeight;
                      this.scrollTop = this.scrollTop * (1 - h) / (this.coeff - h);
                  }
                  this._emit("scroll", {
                      data: this.scrollTop
                  });
              }
              this.skipEvent = false;
          };
          this.getWidth = function () {
              return Math.max(this.isVisible ? this.width : 0, this.$minWidth || 0);
          };
          this.setHeight = function (height) {
              this.element.style.height = height + "px";
          };
          this.setInnerHeight =
              this.setScrollHeight = function (height) {
                  this.scrollHeight = height;
                  if (height > MAX_SCROLL_H) {
                      this.coeff = MAX_SCROLL_H / height;
                      height = MAX_SCROLL_H;
                  } else if (this.coeff != 1) {
                      this.coeff = 1;
                  }
                  this.inner.style.height = height + "px";
              };
          this.setScrollTop = function (scrollTop) {
              if (this.scrollTop != scrollTop) {
                  this.skipEvent = true;
                  this.scrollTop = scrollTop;
                  this.element.scrollTop = scrollTop * this.coeff;
              }
          };
  
      }).call(VScrollBar.prototype);
      var HScrollBar = function (parent, renderer) {
          ScrollBar.call(this, parent);
          this.scrollLeft = 0;
          this.height = renderer.$scrollbarWidth;
          this.inner.style.height =
              this.element.style.height = (this.height || 15) + 5 + "px";
      };
  
      oop.inherits(HScrollBar, ScrollBar);
  
      (function () {
  
          this.classSuffix = '-h';
          this.onScroll = function () {
              if (!this.skipEvent) {
                  this.scrollLeft = this.element.scrollLeft;
                  this._emit("scroll", {
                      data: this.scrollLeft
                  });
              }
              this.skipEvent = false;
          };
          this.getHeight = function () {
              return this.isVisible ? this.height : 0;
          };
          this.setWidth = function (width) {
              this.element.style.width = width + "px";
          };
          this.setInnerWidth = function (width) {
              this.inner.style.width = width + "px";
          };
          this.setScrollWidth = function (width) {
              this.inner.style.width = width + "px";
          };
          this.setScrollLeft = function (scrollLeft) {
              if (this.scrollLeft != scrollLeft) {
                  this.skipEvent = true;
                  this.scrollLeft = this.element.scrollLeft = scrollLeft;
              }
          };
  
      }).call(HScrollBar.prototype);
  
  
      exports.ScrollBar = VScrollBar; // backward compatibility
      exports.ScrollBarV = VScrollBar; // backward compatibility
      exports.ScrollBarH = HScrollBar; // backward compatibility
  
      exports.VScrollBar = VScrollBar;
      exports.HScrollBar = HScrollBar;
  });
  
  define("ace/renderloop", ["require", "exports", "module", "ace/lib/event"], function (require, exports, module) {
      "use strict";
  
      var event = require("./lib/event");
  
  
      var RenderLoop = function (onRender, win) {
          this.onRender = onRender;
          this.pending = false;
          this.changes = 0;
          this.$recursionLimit = 2;
          this.window = win || window;
          var _self = this;
          this._flush = function (ts) {
              _self.pending = false;
              var changes = _self.changes;
  
              if (changes) {
                  event.blockIdle(100);
                  _self.changes = 0;
                  _self.onRender(changes);
              }
  
              if (_self.changes) {
                  if (_self.$recursionLimit-- < 0) return;
                  _self.schedule();
              } else {
                  _self.$recursionLimit = 2;
              }
          };
      };
  
      (function () {
  
          this.schedule = function (change) {
              this.changes = this.changes | change;
              if (this.changes && !this.pending) {
                  event.nextFrame(this._flush);
                  this.pending = true;
              }
          };
  
          this.clear = function (change) {
              var changes = this.changes;
              this.changes = 0;
              return changes;
          };
  
      }).call(RenderLoop.prototype);
  
      exports.RenderLoop = RenderLoop;
  });
  
  define("ace/layer/font_metrics", ["require", "exports", "module", "ace/lib/oop", "ace/lib/dom", "ace/lib/lang", "ace/lib/event", "ace/lib/useragent", "ace/lib/event_emitter"], function (require, exports, module) {
  
      var oop = require("../lib/oop");
      var dom = require("../lib/dom");
      var lang = require("../lib/lang");
      var event = require("../lib/event");
      var useragent = require("../lib/useragent");
      var EventEmitter = require("../lib/event_emitter").EventEmitter;
  
      var CHAR_COUNT = 256;
      var USE_OBSERVER = typeof ResizeObserver == "function";
      var L = 200;
  
      var FontMetrics = exports.FontMetrics = function (parentEl) {
          this.el = dom.createElement("div");
          this.$setMeasureNodeStyles(this.el.style, true);
  
          this.$main = dom.createElement("div");
          this.$setMeasureNodeStyles(this.$main.style);
  
          this.$measureNode = dom.createElement("div");
          this.$setMeasureNodeStyles(this.$measureNode.style);
  
  
          this.el.appendChild(this.$main);
          this.el.appendChild(this.$measureNode);
          parentEl.appendChild(this.el);
  
          this.$measureNode.textContent = lang.stringRepeat("X", CHAR_COUNT);
  
          this.$characterSize = {
              width: 0,
              height: 0
          };
  
  
          if (USE_OBSERVER)
              this.$addObserver();
          else
              this.checkForSizeChanges();
      };
  
      (function () {
  
          oop.implement(this, EventEmitter);
  
          this.$characterSize = {
              width: 0,
              height: 0
          };
  
          this.$setMeasureNodeStyles = function (style, isRoot) {
              style.width = style.height = "auto";
              style.left = style.top = "0px";
              style.visibility = "hidden";
              style.position = "absolute";
              style.whiteSpace = "pre";
  
              if (useragent.isIE < 8) {
                  style["font-family"] = "inherit";
              } else {
                  style.font = "inherit";
              }
              style.overflow = isRoot ? "hidden" : "visible";
          };
  
          this.checkForSizeChanges = function (size) {
              if (size === undefined)
                  size = this.$measureSizes();
              if (size && (this.$characterSize.width !== size.width || this.$characterSize.height !== size.height)) {
                  this.$measureNode.style.fontWeight = "bold";
                  var boldSize = this.$measureSizes();
                  this.$measureNode.style.fontWeight = "";
                  this.$characterSize = size;
                  this.charSizes = Object.create(null);
                  this.allowBoldFonts = boldSize && boldSize.width === size.width && boldSize.height === size.height;
                  this._emit("changeCharacterSize", {
                      data: size
                  });
              }
          };
  
          this.$addObserver = function () {
              var self = this;
              this.$observer = new window.ResizeObserver(function (e) {
                  self.checkForSizeChanges();
              });
              this.$observer.observe(this.$measureNode);
          };
  
          this.$pollSizeChanges = function () {
              if (this.$pollSizeChangesTimer || this.$observer)
                  return this.$pollSizeChangesTimer;
              var self = this;
  
              return this.$pollSizeChangesTimer = event.onIdle(function cb() {
                  self.checkForSizeChanges();
                  event.onIdle(cb, 500);
              }, 500);
          };
  
          this.setPolling = function (val) {
              if (val) {
                  this.$pollSizeChanges();
              } else if (this.$pollSizeChangesTimer) {
                  clearInterval(this.$pollSizeChangesTimer);
                  this.$pollSizeChangesTimer = 0;
              }
          };
  
          this.$measureSizes = function (node) {
              var size = {
                  height: (node || this.$measureNode).clientHeight,
                  width: (node || this.$measureNode).clientWidth / CHAR_COUNT
              };
              if (size.width === 0 || size.height === 0)
                  return null;
              return size;
          };
  
          this.$measureCharWidth = function (ch) {
              this.$main.textContent = lang.stringRepeat(ch, CHAR_COUNT);
              var rect = this.$main.getBoundingClientRect();
              return rect.width / CHAR_COUNT;
          };
  
          this.getCharacterWidth = function (ch) {
              var w = this.charSizes[ch];
              if (w === undefined) {
                  w = this.charSizes[ch] = this.$measureCharWidth(ch) / this.$characterSize.width;
              }
              return w;
          };
  
          this.destroy = function () {
              clearInterval(this.$pollSizeChangesTimer);
              if (this.$observer)
                  this.$observer.disconnect();
              if (this.el && this.el.parentNode)
                  this.el.parentNode.removeChild(this.el);
          };
  
  
          this.$getZoom = function getZoom(element) {
              if (!element || !element.parentElement) return 1;
              return (window.getComputedStyle(element).zoom || 1) * getZoom(element.parentElement);
          };
          this.$initTransformMeasureNodes = function () {
              var t = function (t, l) {
                  return ["div", {
                      style: "position: absolute;top:" + t + "px;left:" + l + "px;"
                  }];
              };
              this.els = dom.buildDom([t(0, 0), t(L, 0), t(0, L), t(L, L)], this.el);
          };
          this.transformCoordinates = function (clientPos, elPos) {
              if (clientPos) {
                  var zoom = this.$getZoom(this.el);
                  clientPos = mul(1 / zoom, clientPos);
              }
  
              function solve(l1, l2, r) {
                  var det = l1[1] * l2[0] - l1[0] * l2[1];
                  return [
                      (-l2[1] * r[0] + l2[0] * r[1]) / det,
                      (+l1[1] * r[0] - l1[0] * r[1]) / det
                  ];
              }
  
              function sub(a, b) {
                  return [a[0] - b[0], a[1] - b[1]];
              }
  
              function add(a, b) {
                  return [a[0] + b[0], a[1] + b[1]];
              }
  
              function mul(a, b) {
                  return [a * b[0], a * b[1]];
              }
  
              if (!this.els)
                  this.$initTransformMeasureNodes();
  
              function p(el) {
                  var r = el.getBoundingClientRect();
                  return [r.left, r.top];
              }
  
              var a = p(this.els[0]);
              var b = p(this.els[1]);
              var c = p(this.els[2]);
              var d = p(this.els[3]);
  
              var h = solve(sub(d, b), sub(d, c), sub(add(b, c), add(d, a)));
  
              var m1 = mul(1 + h[0], sub(b, a));
              var m2 = mul(1 + h[1], sub(c, a));
  
              if (elPos) {
                  var x = elPos;
                  var k = h[0] * x[0] / L + h[1] * x[1] / L + 1;
                  var ut = add(mul(x[0], m1), mul(x[1], m2));
                  return add(mul(1 / k / L, ut), a);
              }
              var u = sub(clientPos, a);
              var f = solve(sub(m1, mul(h[0], u)), sub(m2, mul(h[1], u)), u);
              return mul(L, f);
          };
  
      }).call(FontMetrics.prototype);
  
  });
  
  define("ace/virtual_renderer", ["require", "exports", "module", "ace/lib/oop", "ace/lib/dom", "ace/config", "ace/layer/gutter", "ace/layer/marker", "ace/layer/text", "ace/layer/cursor", "ace/scrollbar", "ace/scrollbar", "ace/renderloop", "ace/layer/font_metrics", "ace/lib/event_emitter", "ace/lib/useragent"], function (require, exports, module) {
      "use strict";
  
      var oop = require("./lib/oop");
      var dom = require("./lib/dom");
      var config = require("./config");
      var GutterLayer = require("./layer/gutter").Gutter;
      var MarkerLayer = require("./layer/marker").Marker;
      var TextLayer = require("./layer/text").Text;
      var CursorLayer = require("./layer/cursor").Cursor;
      var HScrollBar = require("./scrollbar").HScrollBar;
      var VScrollBar = require("./scrollbar").VScrollBar;
      var RenderLoop = require("./renderloop").RenderLoop;
      var FontMetrics = require("./layer/font_metrics").FontMetrics;
      var EventEmitter = require("./lib/event_emitter").EventEmitter;
      var editorCss = "\
  .ace_br1 {border-top-left-radius    : 3px;}\
  .ace_br2 {border-top-right-radius   : 3px;}\
  .ace_br3 {border-top-left-radius    : 3px; border-top-right-radius:    3px;}\
  .ace_br4 {border-bottom-right-radius: 3px;}\
  .ace_br5 {border-top-left-radius    : 3px; border-bottom-right-radius: 3px;}\
  .ace_br6 {border-top-right-radius   : 3px; border-bottom-right-radius: 3px;}\
  .ace_br7 {border-top-left-radius    : 3px; border-top-right-radius:    3px; border-bottom-right-radius: 3px;}\
  .ace_br8 {border-bottom-left-radius : 3px;}\
  .ace_br9 {border-top-left-radius    : 3px; border-bottom-left-radius:  3px;}\
  .ace_br10{border-top-right-radius   : 3px; border-bottom-left-radius:  3px;}\
  .ace_br11{border-top-left-radius    : 3px; border-top-right-radius:    3px; border-bottom-left-radius:  3px;}\
  .ace_br12{border-bottom-right-radius: 3px; border-bottom-left-radius:  3px;}\
  .ace_br13{border-top-left-radius    : 3px; border-bottom-right-radius: 3px; border-bottom-left-radius:  3px;}\
  .ace_br14{border-top-right-radius   : 3px; border-bottom-right-radius: 3px; border-bottom-left-radius:  3px;}\
  .ace_br15{border-top-left-radius    : 3px; border-top-right-radius:    3px; border-bottom-right-radius: 3px; border-bottom-left-radius: 3px;}\
  .ace_editor {\
  position: relative;\
  overflow: hidden;\
  padding: 0;\
  font: 12px/normal 'Monaco', 'Menlo', 'Ubuntu Mono', 'Consolas', 'source-code-pro', monospace;\
  direction: ltr;\
  text-align: left;\
  -webkit-tap-highlight-color: rgba(0, 0, 0, 0);\
  }\
  .ace_scroller {\
  position: absolute;\
  overflow: hidden;\
  top: 0;\
  bottom: 0;\
  background-color: inherit;\
  -ms-user-select: none;\
  -moz-user-select: none;\
  -webkit-user-select: none;\
  user-select: none;\
  cursor: text;\
  }\
  .ace_content {\
  position: absolute;\
  box-sizing: border-box;\
  min-width: 100%;\
  contain: style size layout;\
  font-variant-ligatures: no-common-ligatures;\
  }\
  .ace_dragging .ace_scroller:before{\
  position: absolute;\
  top: 0;\
  left: 0;\
  right: 0;\
  bottom: 0;\
  content: '';\
  background: rgba(250, 250, 250, 0.01);\
  z-index: 1000;\
  }\
  .ace_dragging.ace_dark .ace_scroller:before{\
  background: rgba(0, 0, 0, 0.01);\
  }\
  .ace_selecting, .ace_selecting * {\
  cursor: text !important;\
  }\
  .ace_gutter {\
  position: absolute;\
  overflow : hidden;\
  width: auto;\
  top: 0;\
  bottom: 0;\
  left: 0;\
  cursor: default;\
  z-index: 4;\
  -ms-user-select: none;\
  -moz-user-select: none;\
  -webkit-user-select: none;\
  user-select: none;\
  contain: style size layout;\
  }\
  .ace_gutter-active-line {\
  position: absolute;\
  left: 0;\
  right: 0;\
  }\
  .ace_scroller.ace_scroll-left {\
  box-shadow: 17px 0 16px -16px rgba(0, 0, 0, 0.4) inset;\
  }\
  .ace_gutter-cell {\
  position: absolute;\
  top: 0;\
  left: 0;\
  right: 0;\
  padding-left: 19px;\
  padding-right: 6px;\
  background-repeat: no-repeat;\
  }\
  .ace_gutter-cell.ace_error {\
  background-image: url(\"data:image/png;base64,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\");\
  background-repeat: no-repeat;\
  background-position: 2px center;\
  }\
  .ace_gutter-cell.ace_warning {\
  background-image: url(\"data:image/png;base64,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\");\
  background-position: 2px center;\
  }\
  .ace_gutter-cell.ace_info {\
  background-image: url(\"data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABAAAAAQCAAAAAA6mKC9AAAAGXRFWHRTb2Z0d2FyZQBBZG9iZSBJbWFnZVJlYWR5ccllPAAAAAJ0Uk5TAAB2k804AAAAPklEQVQY02NgIB68QuO3tiLznjAwpKTgNyDbMegwisCHZUETUZV0ZqOquBpXj2rtnpSJT1AEnnRmL2OgGgAAIKkRQap2htgAAAAASUVORK5CYII=\");\
  background-position: 2px center;\
  }\
  .ace_dark .ace_gutter-cell.ace_info {\
  background-image: url(\"data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABAAAAAQBAMAAADt3eJSAAAAJFBMVEUAAAChoaGAgIAqKiq+vr6tra1ZWVmUlJSbm5s8PDxubm56enrdgzg3AAAAAXRSTlMAQObYZgAAAClJREFUeNpjYMAPdsMYHegyJZFQBlsUlMFVCWUYKkAZMxZAGdxlDMQBAG+TBP4B6RyJAAAAAElFTkSuQmCC\");\
  }\
  .ace_scrollbar {\
  contain: strict;\
  position: absolute;\
  right: 0;\
  bottom: 0;\
  z-index: 6;\
  }\
  .ace_scrollbar-inner {\
  position: absolute;\
  cursor: text;\
  left: 0;\
  top: 0;\
  }\
  .ace_scrollbar-v{\
  overflow-x: hidden;\
  overflow-y: scroll;\
  top: 0;\
  }\
  .ace_scrollbar-h {\
  overflow-x: scroll;\
  overflow-y: hidden;\
  left: 0;\
  }\
  .ace_print-margin {\
  position: absolute;\
  height: 100%;\
  }\
  .ace_text-input {\
  position: absolute;\
  z-index: 0;\
  width: 0.5em;\
  height: 1em;\
  opacity: 0;\
  background: transparent;\
  -moz-appearance: none;\
  appearance: none;\
  border: none;\
  resize: none;\
  outline: none;\
  overflow: hidden;\
  font: inherit;\
  padding: 0 1px;\
  margin: 0 -1px;\
  contain: strict;\
  -ms-user-select: text;\
  -moz-user-select: text;\
  -webkit-user-select: text;\
  user-select: text;\
  white-space: pre!important;\
  }\
  .ace_text-input.ace_composition {\
  background: transparent;\
  color: inherit;\
  z-index: 1000;\
  opacity: 1;\
  }\
  .ace_composition_placeholder { color: transparent }\
  .ace_composition_marker { \
  border-bottom: 1px solid;\
  position: absolute;\
  border-radius: 0;\
  margin-top: 1px;\
  }\
  [ace_nocontext=true] {\
  transform: none!important;\
  filter: none!important;\
  clip-path: none!important;\
  mask : none!important;\
  contain: none!important;\
  perspective: none!important;\
  mix-blend-mode: initial!important;\
  z-index: auto;\
  }\
  .ace_layer {\
  z-index: 1;\
  position: absolute;\
  overflow: hidden;\
  word-wrap: normal;\
  white-space: pre;\
  height: 100%;\
  width: 100%;\
  box-sizing: border-box;\
  pointer-events: none;\
  }\
  .ace_gutter-layer {\
  position: relative;\
  width: auto;\
  text-align: right;\
  pointer-events: auto;\
  height: 1000000px;\
  contain: style size layout;\
  }\
  .ace_text-layer {\
  font: inherit !important;\
  position: absolute;\
  height: 1000000px;\
  width: 1000000px;\
  contain: style size layout;\
  }\
  .ace_text-layer > .ace_line, .ace_text-layer > .ace_line_group {\
  contain: style size layout;\
  position: absolute;\
  top: 0;\
  left: 0;\
  right: 0;\
  }\
  .ace_hidpi .ace_text-layer,\
  .ace_hidpi .ace_gutter-layer,\
  .ace_hidpi .ace_content,\
  .ace_hidpi .ace_gutter {\
  contain: strict;\
  will-change: transform;\
  }\
  .ace_hidpi .ace_text-layer > .ace_line, \
  .ace_hidpi .ace_text-layer > .ace_line_group {\
  contain: strict;\
  }\
  .ace_cjk {\
  display: inline-block;\
  text-align: center;\
  }\
  .ace_cursor-layer {\
  z-index: 4;\
  }\
  .ace_cursor {\
  z-index: 4;\
  position: absolute;\
  box-sizing: border-box;\
  border-left: 2px solid;\
  transform: translatez(0);\
  }\
  .ace_multiselect .ace_cursor {\
  border-left-width: 1px;\
  }\
  .ace_slim-cursors .ace_cursor {\
  border-left-width: 1px;\
  }\
  .ace_overwrite-cursors .ace_cursor {\
  border-left-width: 0;\
  border-bottom: 1px solid;\
  }\
  .ace_hidden-cursors .ace_cursor {\
  opacity: 0.2;\
  }\
  .ace_hasPlaceholder .ace_hidden-cursors .ace_cursor {\
  opacity: 0;\
  }\
  .ace_smooth-blinking .ace_cursor {\
  transition: opacity 0.18s;\
  }\
  .ace_animate-blinking .ace_cursor {\
  animation-duration: 1000ms;\
  animation-timing-function: step-end;\
  animation-name: blink-ace-animate;\
  animation-iteration-count: infinite;\
  }\
  .ace_animate-blinking.ace_smooth-blinking .ace_cursor {\
  animation-duration: 1000ms;\
  animation-timing-function: ease-in-out;\
  animation-name: blink-ace-animate-smooth;\
  }\
  @keyframes blink-ace-animate {\
  from, to { opacity: 1; }\
  60% { opacity: 0; }\
  }\
  @keyframes blink-ace-animate-smooth {\
  from, to { opacity: 1; }\
  45% { opacity: 1; }\
  60% { opacity: 0; }\
  85% { opacity: 0; }\
  }\
  .ace_marker-layer .ace_step, .ace_marker-layer .ace_stack {\
  position: absolute;\
  z-index: 3;\
  }\
  .ace_marker-layer .ace_selection {\
  position: absolute;\
  z-index: 5;\
  }\
  .ace_marker-layer .ace_bracket {\
  position: absolute;\
  z-index: 6;\
  }\
  .ace_marker-layer .ace_error_bracket {\
  position: absolute;\
  border-bottom: 1px solid #DE5555;\
  border-radius: 0;\
  }\
  .ace_marker-layer .ace_active-line {\
  position: absolute;\
  z-index: 2;\
  }\
  .ace_marker-layer .ace_selected-word {\
  position: absolute;\
  z-index: 4;\
  box-sizing: border-box;\
  }\
  .ace_line .ace_fold {\
  box-sizing: border-box;\
  display: inline-block;\
  height: 11px;\
  margin-top: -2px;\
  vertical-align: middle;\
  background-image:\
  url(\"data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABEAAAAJCAYAAADU6McMAAAAGXRFWHRTb2Z0d2FyZQBBZG9iZSBJbWFnZVJlYWR5ccllPAAAAJpJREFUeNpi/P//PwOlgAXGYGRklAVSokD8GmjwY1wasKljQpYACtpCFeADcHVQfQyMQAwzwAZI3wJKvCLkfKBaMSClBlR7BOQikCFGQEErIH0VqkabiGCAqwUadAzZJRxQr/0gwiXIal8zQQPnNVTgJ1TdawL0T5gBIP1MUJNhBv2HKoQHHjqNrA4WO4zY0glyNKLT2KIfIMAAQsdgGiXvgnYAAAAASUVORK5CYII=\"),\
  url(\"data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAA3CAYAAADNNiA5AAAAGXRFWHRTb2Z0d2FyZQBBZG9iZSBJbWFnZVJlYWR5ccllPAAAACJJREFUeNpi+P//fxgTAwPDBxDxD078RSX+YeEyDFMCIMAAI3INmXiwf2YAAAAASUVORK5CYII=\");\
  background-repeat: no-repeat, repeat-x;\
  background-position: center center, top left;\
  color: transparent;\
  border: 1px solid black;\
  border-radius: 2px;\
  cursor: pointer;\
  pointer-events: auto;\
  }\
  .ace_dark .ace_fold {\
  }\
  .ace_fold:hover{\
  background-image:\
  url(\"data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABEAAAAJCAYAAADU6McMAAAAGXRFWHRTb2Z0d2FyZQBBZG9iZSBJbWFnZVJlYWR5ccllPAAAAJpJREFUeNpi/P//PwOlgAXGYGRklAVSokD8GmjwY1wasKljQpYACtpCFeADcHVQfQyMQAwzwAZI3wJKvCLkfKBaMSClBlR7BOQikCFGQEErIH0VqkabiGCAqwUadAzZJRxQr/0gwiXIal8zQQPnNVTgJ1TdawL0T5gBIP1MUJNhBv2HKoQHHjqNrA4WO4zY0glyNKLT2KIfIMAAQsdgGiXvgnYAAAAASUVORK5CYII=\"),\
  url(\"data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAA3CAYAAADNNiA5AAAAGXRFWHRTb2Z0d2FyZQBBZG9iZSBJbWFnZVJlYWR5ccllPAAAACBJREFUeNpi+P//fz4TAwPDZxDxD5X4i5fLMEwJgAADAEPVDbjNw87ZAAAAAElFTkSuQmCC\");\
  }\
  .ace_tooltip {\
  background-color: #FFF;\
  background-image: linear-gradient(to bottom, transparent, rgba(0, 0, 0, 0.1));\
  border: 1px solid gray;\
  border-radius: 1px;\
  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.3);\
  color: black;\
  max-width: 100%;\
  padding: 3px 4px;\
  position: fixed;\
  z-index: 999999;\
  box-sizing: border-box;\
  cursor: default;\
  white-space: pre;\
  word-wrap: break-word;\
  line-height: normal;\
  font-style: normal;\
  font-weight: normal;\
  letter-spacing: normal;\
  pointer-events: none;\
  }\
  .ace_folding-enabled > .ace_gutter-cell {\
  padding-right: 13px;\
  }\
  .ace_fold-widget {\
  box-sizing: border-box;\
  margin: 0 -12px 0 1px;\
  display: none;\
  width: 11px;\
  vertical-align: top;\
  background-image: url(\"data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAUAAAAFCAYAAACNbyblAAAANElEQVR42mWKsQ0AMAzC8ixLlrzQjzmBiEjp0A6WwBCSPgKAXoLkqSot7nN3yMwR7pZ32NzpKkVoDBUxKAAAAABJRU5ErkJggg==\");\
  background-repeat: no-repeat;\
  background-position: center;\
  border-radius: 3px;\
  border: 1px solid transparent;\
  cursor: pointer;\
  }\
  .ace_folding-enabled .ace_fold-widget {\
  display: inline-block;   \
  }\
  .ace_fold-widget.ace_end {\
  background-image: url(\"data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAUAAAAFCAYAAACNbyblAAAANElEQVR42m3HwQkAMAhD0YzsRchFKI7sAikeWkrxwScEB0nh5e7KTPWimZki4tYfVbX+MNl4pyZXejUO1QAAAABJRU5ErkJggg==\");\
  }\
  .ace_fold-widget.ace_closed {\
  background-image: url(\"data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAMAAAAGCAYAAAAG5SQMAAAAOUlEQVR42jXKwQkAMAgDwKwqKD4EwQ26sSOkVWjgIIHAzPiCgaqiqnJHZnKICBERHN194O5b9vbLuAVRL+l0YWnZAAAAAElFTkSuQmCCXA==\");\
  }\
  .ace_fold-widget:hover {\
  border: 1px solid rgba(0, 0, 0, 0.3);\
  background-color: rgba(255, 255, 255, 0.2);\
  box-shadow: 0 1px 1px rgba(255, 255, 255, 0.7);\
  }\
  .ace_fold-widget:active {\
  border: 1px solid rgba(0, 0, 0, 0.4);\
  background-color: rgba(0, 0, 0, 0.05);\
  box-shadow: 0 1px 1px rgba(255, 255, 255, 0.8);\
  }\
  .ace_dark .ace_fold-widget {\
  background-image: url(\"data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAUAAAAFCAYAAACNbyblAAAAHklEQVQIW2P4//8/AzoGEQ7oGCaLLAhWiSwB146BAQCSTPYocqT0AAAAAElFTkSuQmCC\");\
  }\
  .ace_dark .ace_fold-widget.ace_end {\
  background-image: url(\"data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAUAAAAFCAYAAACNbyblAAAAH0lEQVQIW2P4//8/AxQ7wNjIAjDMgC4AxjCVKBirIAAF0kz2rlhxpAAAAABJRU5ErkJggg==\");\
  }\
  .ace_dark .ace_fold-widget.ace_closed {\
  background-image: url(\"data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAMAAAAFCAYAAACAcVaiAAAAHElEQVQIW2P4//+/AxAzgDADlOOAznHAKgPWAwARji8UIDTfQQAAAABJRU5ErkJggg==\");\
  }\
  .ace_dark .ace_fold-widget:hover {\
  box-shadow: 0 1px 1px rgba(255, 255, 255, 0.2);\
  background-color: rgba(255, 255, 255, 0.1);\
  }\
  .ace_dark .ace_fold-widget:active {\
  box-shadow: 0 1px 1px rgba(255, 255, 255, 0.2);\
  }\
  .ace_inline_button {\
  border: 1px solid lightgray;\
  display: inline-block;\
  margin: -1px 8px;\
  padding: 0 5px;\
  pointer-events: auto;\
  cursor: pointer;\
  }\
  .ace_inline_button:hover {\
  border-color: gray;\
  background: rgba(200,200,200,0.2);\
  display: inline-block;\
  pointer-events: auto;\
  }\
  .ace_fold-widget.ace_invalid {\
  background-color: #FFB4B4;\
  border-color: #DE5555;\
  }\
  .ace_fade-fold-widgets .ace_fold-widget {\
  transition: opacity 0.4s ease 0.05s;\
  opacity: 0;\
  }\
  .ace_fade-fold-widgets:hover .ace_fold-widget {\
  transition: opacity 0.05s ease 0.05s;\
  opacity:1;\
  }\
  .ace_underline {\
  text-decoration: underline;\
  }\
  .ace_bold {\
  font-weight: bold;\
  }\
  .ace_nobold .ace_bold {\
  font-weight: normal;\
  }\
  .ace_italic {\
  font-style: italic;\
  }\
  .ace_error-marker {\
  background-color: rgba(255, 0, 0,0.2);\
  position: absolute;\
  z-index: 9;\
  }\
  .ace_highlight-marker {\
  background-color: rgba(255, 255, 0,0.2);\
  position: absolute;\
  z-index: 8;\
  }\
  .ace_mobile-menu {\
  position: absolute;\
  line-height: 1.5;\
  border-radius: 4px;\
  -ms-user-select: none;\
  -moz-user-select: none;\
  -webkit-user-select: none;\
  user-select: none;\
  background: white;\
  box-shadow: 1px 3px 2px grey;\
  border: 1px solid #dcdcdc;\
  color: black;\
  }\
  .ace_dark > .ace_mobile-menu {\
  background: #333;\
  color: #ccc;\
  box-shadow: 1px 3px 2px grey;\
  border: 1px solid #444;\
  }\
  .ace_mobile-button {\
  padding: 2px;\
  cursor: pointer;\
  overflow: hidden;\
  }\
  .ace_mobile-button:hover {\
  background-color: #eee;\
  opacity:1;\
  }\
  .ace_mobile-button:active {\
  background-color: #ddd;\
  }\
  .ace_placeholder {\
  font-family: arial;\
  transform: scale(0.9);\
  transform-origin: left;\
  white-space: pre;\
  opacity: 0.7;\
  margin: 0 10px;\
  }";
  
      var useragent = require("./lib/useragent");
      var HIDE_TEXTAREA = useragent.isIE;
  
      dom.importCssString(editorCss, "ace_editor.css");
  
      var VirtualRenderer = function (container, theme) {
          var _self = this;
  
          this.container = container || dom.createElement("div");
  
          dom.addCssClass(this.container, "ace_editor");
          if (dom.HI_DPI) dom.addCssClass(this.container, "ace_hidpi");
  
          this.setTheme(theme);
  
          this.$gutter = dom.createElement("div");
          this.$gutter.className = "ace_gutter";
          this.container.appendChild(this.$gutter);
          this.$gutter.setAttribute("aria-hidden", true);
  
          this.scroller = dom.createElement("div");
          this.scroller.className = "ace_scroller";
  
          this.container.appendChild(this.scroller);
  
          this.content = dom.createElement("div");
          this.content.className = "ace_content";
          this.scroller.appendChild(this.content);
  
          this.$gutterLayer = new GutterLayer(this.$gutter);
          this.$gutterLayer.on("changeGutterWidth", this.onGutterResize.bind(this));
  
          this.$markerBack = new MarkerLayer(this.content);
  
          var textLayer = this.$textLayer = new TextLayer(this.content);
          this.canvas = textLayer.element;
  
          this.$markerFront = new MarkerLayer(this.content);
  
          this.$cursorLayer = new CursorLayer(this.content);
          this.$horizScroll = false;
          this.$vScroll = false;
  
          this.scrollBar =
              this.scrollBarV = new VScrollBar(this.container, this);
          this.scrollBarH = new HScrollBar(this.container, this);
          this.scrollBarV.on("scroll", function (e) {
              if (!_self.$scrollAnimation)
                  _self.session.setScrollTop(e.data - _self.scrollMargin.top);
          });
          this.scrollBarH.on("scroll", function (e) {
              if (!_self.$scrollAnimation)
                  _self.session.setScrollLeft(e.data - _self.scrollMargin.left);
          });
  
          this.scrollTop = 0;
          this.scrollLeft = 0;
  
          this.cursorPos = {
              row: 0,
              column: 0
          };
  
          this.$fontMetrics = new FontMetrics(this.container);
          this.$textLayer.$setFontMetrics(this.$fontMetrics);
          this.$textLayer.on("changeCharacterSize", function (e) {
              _self.updateCharacterSize();
              _self.onResize(true, _self.gutterWidth, _self.$size.width, _self.$size.height);
              _self._signal("changeCharacterSize", e);
          });
  
          this.$size = {
              width: 0,
              height: 0,
              scrollerHeight: 0,
              scrollerWidth: 0,
              $dirty: true
          };
  
          this.layerConfig = {
              width: 1,
              padding: 0,
              firstRow: 0,
              firstRowScreen: 0,
              lastRow: 0,
              lineHeight: 0,
              characterWidth: 0,
              minHeight: 1,
              maxHeight: 1,
              offset: 0,
              height: 1,
              gutterOffset: 1
          };
  
          this.scrollMargin = {
              left: 0,
              right: 0,
              top: 0,
              bottom: 0,
              v: 0,
              h: 0
          };
  
          this.margin = {
              left: 0,
              right: 0,
              top: 0,
              bottom: 0,
              v: 0,
              h: 0
          };
  
          this.$keepTextAreaAtCursor = !useragent.isIOS;
  
          this.$loop = new RenderLoop(
              this.$renderChanges.bind(this),
              this.container.ownerDocument.defaultView
          );
          this.$loop.schedule(this.CHANGE_FULL);
  
          this.updateCharacterSize();
          this.setPadding(4);
          config.resetOptions(this);
          config._signal("renderer", this);
      };
  
      (function () {
  
          this.CHANGE_CURSOR = 1;
          this.CHANGE_MARKER = 2;
          this.CHANGE_GUTTER = 4;
          this.CHANGE_SCROLL = 8;
          this.CHANGE_LINES = 16;
          this.CHANGE_TEXT = 32;
          this.CHANGE_SIZE = 64;
          this.CHANGE_MARKER_BACK = 128;
          this.CHANGE_MARKER_FRONT = 256;
          this.CHANGE_FULL = 512;
          this.CHANGE_H_SCROLL = 1024;
  
          oop.implement(this, EventEmitter);
  
          this.updateCharacterSize = function () {
              if (this.$textLayer.allowBoldFonts != this.$allowBoldFonts) {
                  this.$allowBoldFonts = this.$textLayer.allowBoldFonts;
                  this.setStyle("ace_nobold", !this.$allowBoldFonts);
              }
  
              this.layerConfig.characterWidth =
                  this.characterWidth = this.$textLayer.getCharacterWidth();
              this.layerConfig.lineHeight =
                  this.lineHeight = this.$textLayer.getLineHeight();
              this.$updatePrintMargin();
              dom.setStyle(this.scroller.style, "line-height", this.lineHeight + "px");
          };
          this.setSession = function (session) {
              if (this.session)
                  this.session.doc.off("changeNewLineMode", this.onChangeNewLineMode);
  
              this.session = session;
              if (session && this.scrollMargin.top && session.getScrollTop() <= 0)
                  session.setScrollTop(-this.scrollMargin.top);
  
              this.$cursorLayer.setSession(session);
              this.$markerBack.setSession(session);
              this.$markerFront.setSession(session);
              this.$gutterLayer.setSession(session);
              this.$textLayer.setSession(session);
              if (!session)
                  return;
  
              this.$loop.schedule(this.CHANGE_FULL);
              this.session.$setFontMetrics(this.$fontMetrics);
              this.scrollBarH.scrollLeft = this.scrollBarV.scrollTop = null;
  
              this.onChangeNewLineMode = this.onChangeNewLineMode.bind(this);
              this.onChangeNewLineMode();
              this.session.doc.on("changeNewLineMode", this.onChangeNewLineMode);
          };
          this.updateLines = function (firstRow, lastRow, force) {
              if (lastRow === undefined)
                  lastRow = Infinity;
  
              if (!this.$changedLines) {
                  this.$changedLines = {
                      firstRow: firstRow,
                      lastRow: lastRow
                  };
              } else {
                  if (this.$changedLines.firstRow > firstRow)
                      this.$changedLines.firstRow = firstRow;
  
                  if (this.$changedLines.lastRow < lastRow)
                      this.$changedLines.lastRow = lastRow;
              }
              if (this.$changedLines.lastRow < this.layerConfig.firstRow) {
                  if (force)
                      this.$changedLines.lastRow = this.layerConfig.lastRow;
                  else
                      return;
              }
              if (this.$changedLines.firstRow > this.layerConfig.lastRow)
                  return;
              this.$loop.schedule(this.CHANGE_LINES);
          };
  
          this.onChangeNewLineMode = function () {
              this.$loop.schedule(this.CHANGE_TEXT);
              this.$textLayer.$updateEolChar();
              this.session.$bidiHandler.setEolChar(this.$textLayer.EOL_CHAR);
          };
  
          this.onChangeTabSize = function () {
              this.$loop.schedule(this.CHANGE_TEXT | this.CHANGE_MARKER);
              this.$textLayer.onChangeTabSize();
          };
          this.updateText = function () {
              this.$loop.schedule(this.CHANGE_TEXT);
          };
          this.updateFull = function (force) {
              if (force)
                  this.$renderChanges(this.CHANGE_FULL, true);
              else
                  this.$loop.schedule(this.CHANGE_FULL);
          };
          this.updateFontSize = function () {
              this.$textLayer.checkForSizeChanges();
          };
  
          this.$changes = 0;
          this.$updateSizeAsync = function () {
              if (this.$loop.pending)
                  this.$size.$dirty = true;
              else
                  this.onResize();
          };
          this.onResize = function (force, gutterWidth, width, height) {
              if (this.resizing > 2)
                  return;
              else if (this.resizing > 0)
                  this.resizing++;
              else
                  this.resizing = force ? 1 : 0;
              var el = this.container;
              if (!height)
                  height = el.clientHeight || el.scrollHeight;
              if (!width)
                  width = el.clientWidth || el.scrollWidth;
              var changes = this.$updateCachedSize(force, gutterWidth, width, height);
  
  
              if (!this.$size.scrollerHeight || (!width && !height))
                  return this.resizing = 0;
  
              if (force)
                  this.$gutterLayer.$padding = null;
  
              if (force)
                  this.$renderChanges(changes | this.$changes, true);
              else
                  this.$loop.schedule(changes | this.$changes);
  
              if (this.resizing)
                  this.resizing = 0;
              this.scrollBarV.scrollLeft = this.scrollBarV.scrollTop = null;
          };
  
          this.$updateCachedSize = function (force, gutterWidth, width, height) {
              height -= (this.$extraHeight || 0);
              var changes = 0;
              var size = this.$size;
              var oldSize = {
                  width: size.width,
                  height: size.height,
                  scrollerHeight: size.scrollerHeight,
                  scrollerWidth: size.scrollerWidth
              };
              if (height && (force || size.height != height)) {
                  size.height = height;
                  changes |= this.CHANGE_SIZE;
  
                  size.scrollerHeight = size.height;
                  if (this.$horizScroll)
                      size.scrollerHeight -= this.scrollBarH.getHeight();
                  this.scrollBarV.element.style.bottom = this.scrollBarH.getHeight() + "px";
  
                  changes = changes | this.CHANGE_SCROLL;
              }
  
              if (width && (force || size.width != width)) {
                  changes |= this.CHANGE_SIZE;
                  size.width = width;
  
                  if (gutterWidth == null)
                      gutterWidth = this.$showGutter ? this.$gutter.offsetWidth : 0;
  
                  this.gutterWidth = gutterWidth;
  
                  dom.setStyle(this.scrollBarH.element.style, "left", gutterWidth + "px");
                  dom.setStyle(this.scroller.style, "left", gutterWidth + this.margin.left + "px");
                  size.scrollerWidth = Math.max(0, width - gutterWidth - this.scrollBarV.getWidth() - this.margin.h);
                  dom.setStyle(this.$gutter.style, "left", this.margin.left + "px");
  
                  var right = this.scrollBarV.getWidth() + "px";
                  dom.setStyle(this.scrollBarH.element.style, "right", right);
                  dom.setStyle(this.scroller.style, "right", right);
                  dom.setStyle(this.scroller.style, "bottom", this.scrollBarH.getHeight());
  
                  if (this.session && this.session.getUseWrapMode() && this.adjustWrapLimit() || force) {
                      changes |= this.CHANGE_FULL;
                  }
              }
  
              size.$dirty = !width || !height;
  
              if (changes)
                  this._signal("resize", oldSize);
  
              return changes;
          };
  
          this.onGutterResize = function (width) {
              var gutterWidth = this.$showGutter ? width : 0;
              if (gutterWidth != this.gutterWidth)
                  this.$changes |= this.$updateCachedSize(true, gutterWidth, this.$size.width, this.$size.height);
  
              if (this.session.getUseWrapMode() && this.adjustWrapLimit()) {
                  this.$loop.schedule(this.CHANGE_FULL);
              } else if (this.$size.$dirty) {
                  this.$loop.schedule(this.CHANGE_FULL);
              } else {
                  this.$computeLayerConfig();
              }
          };
          this.adjustWrapLimit = function () {
              var availableWidth = this.$size.scrollerWidth - this.$padding * 2;
              var limit = Math.floor(availableWidth / this.characterWidth);
              return this.session.adjustWrapLimit(limit, this.$showPrintMargin && this.$printMarginColumn);
          };
          this.setAnimatedScroll = function (shouldAnimate) {
              this.setOption("animatedScroll", shouldAnimate);
          };
          this.getAnimatedScroll = function () {
              return this.$animatedScroll;
          };
          this.setShowInvisibles = function (showInvisibles) {
              this.setOption("showInvisibles", showInvisibles);
              this.session.$bidiHandler.setShowInvisibles(showInvisibles);
          };
          this.getShowInvisibles = function () {
              return this.getOption("showInvisibles");
          };
          this.getDisplayIndentGuides = function () {
              return this.getOption("displayIndentGuides");
          };
  
          this.setDisplayIndentGuides = function (display) {
              this.setOption("displayIndentGuides", display);
          };
          this.setShowPrintMargin = function (showPrintMargin) {
              this.setOption("showPrintMargin", showPrintMargin);
          };
          this.getShowPrintMargin = function () {
              return this.getOption("showPrintMargin");
          };
          this.setPrintMarginColumn = function (showPrintMargin) {
              this.setOption("printMarginColumn", showPrintMargin);
          };
          this.getPrintMarginColumn = function () {
              return this.getOption("printMarginColumn");
          };
          this.getShowGutter = function () {
              return this.getOption("showGutter");
          };
          this.setShowGutter = function (show) {
              return this.setOption("showGutter", show);
          };
  
          this.getFadeFoldWidgets = function () {
              return this.getOption("fadeFoldWidgets");
          };
  
          this.setFadeFoldWidgets = function (show) {
              this.setOption("fadeFoldWidgets", show);
          };
  
          this.setHighlightGutterLine = function (shouldHighlight) {
              this.setOption("highlightGutterLine", shouldHighlight);
          };
  
          this.getHighlightGutterLine = function () {
              return this.getOption("highlightGutterLine");
          };
  
          this.$updatePrintMargin = function () {
              if (!this.$showPrintMargin && !this.$printMarginEl)
                  return;
  
              if (!this.$printMarginEl) {
                  var containerEl = dom.createElement("div");
                  containerEl.className = "ace_layer ace_print-margin-layer";
                  this.$printMarginEl = dom.createElement("div");
                  this.$printMarginEl.className = "ace_print-margin";
                  containerEl.appendChild(this.$printMarginEl);
                  this.content.insertBefore(containerEl, this.content.firstChild);
              }
  
              var style = this.$printMarginEl.style;
              style.left = Math.round(this.characterWidth * this.$printMarginColumn + this.$padding) + "px";
              style.visibility = this.$showPrintMargin ? "visible" : "hidden";
  
              if (this.session && this.session.$wrap == -1)
                  this.adjustWrapLimit();
          };
          this.getContainerElement = function () {
              return this.container;
          };
          this.getMouseEventTarget = function () {
              return this.scroller;
          };
          this.getTextAreaContainer = function () {
              return this.container;
          };
          this.$moveTextAreaToCursor = function () {
              if (this.$isMousePressed) return;
              var style = this.textarea.style;
              var composition = this.$composition;
              if (!this.$keepTextAreaAtCursor && !composition) {
                  dom.translate(this.textarea, -100, 0);
                  return;
              }
              var pixelPos = this.$cursorLayer.$pixelPos;
              if (!pixelPos)
                  return;
              if (composition && composition.markerRange)
                  pixelPos = this.$cursorLayer.getPixelPosition(composition.markerRange.start, true);
  
              var config = this.layerConfig;
              var posTop = pixelPos.top;
              var posLeft = pixelPos.left;
              posTop -= config.offset;
  
              var h = composition && composition.useTextareaForIME ? this.lineHeight : HIDE_TEXTAREA ? 0 : 1;
              if (posTop < 0 || posTop > config.height - h) {
                  dom.translate(this.textarea, 0, 0);
                  return;
              }
  
              var w = 1;
              var maxTop = this.$size.height - h;
              if (!composition) {
                  posTop += this.lineHeight;
              } else {
                  if (composition.useTextareaForIME) {
                      var val = this.textarea.value;
                      w = this.characterWidth * (this.session.$getStringScreenWidth(val)[0]);
                  } else {
                      posTop += this.lineHeight + 2;
                  }
              }
  
              posLeft -= this.scrollLeft;
              if (posLeft > this.$size.scrollerWidth - w)
                  posLeft = this.$size.scrollerWidth - w;
  
              posLeft += this.gutterWidth + this.margin.left;
  
              dom.setStyle(style, "height", h + "px");
              dom.setStyle(style, "width", w + "px");
              dom.translate(this.textarea, Math.min(posLeft, this.$size.scrollerWidth - w), Math.min(posTop, maxTop));
          };
          this.getFirstVisibleRow = function () {
              return this.layerConfig.firstRow;
          };
          this.getFirstFullyVisibleRow = function () {
              return this.layerConfig.firstRow + (this.layerConfig.offset === 0 ? 0 : 1);
          };
          this.getLastFullyVisibleRow = function () {
              var config = this.layerConfig;
              var lastRow = config.lastRow;
              var top = this.session.documentToScreenRow(lastRow, 0) * config.lineHeight;
              if (top - this.session.getScrollTop() > config.height - config.lineHeight)
                  return lastRow - 1;
              return lastRow;
          };
          this.getLastVisibleRow = function () {
              return this.layerConfig.lastRow;
          };
  
          this.$padding = null;
          this.setPadding = function (padding) {
              this.$padding = padding;
              this.$textLayer.setPadding(padding);
              this.$cursorLayer.setPadding(padding);
              this.$markerFront.setPadding(padding);
              this.$markerBack.setPadding(padding);
              this.$loop.schedule(this.CHANGE_FULL);
              this.$updatePrintMargin();
          };
  
          this.setScrollMargin = function (top, bottom, left, right) {
              var sm = this.scrollMargin;
              sm.top = top | 0;
              sm.bottom = bottom | 0;
              sm.right = right | 0;
              sm.left = left | 0;
              sm.v = sm.top + sm.bottom;
              sm.h = sm.left + sm.right;
              if (sm.top && this.scrollTop <= 0 && this.session)
                  this.session.setScrollTop(-sm.top);
              this.updateFull();
          };
  
          this.setMargin = function (top, bottom, left, right) {
              var sm = this.margin;
              sm.top = top | 0;
              sm.bottom = bottom | 0;
              sm.right = right | 0;
              sm.left = left | 0;
              sm.v = sm.top + sm.bottom;
              sm.h = sm.left + sm.right;
              this.$updateCachedSize(true, this.gutterWidth, this.$size.width, this.$size.height);
              this.updateFull();
          };
          this.getHScrollBarAlwaysVisible = function () {
              return this.$hScrollBarAlwaysVisible;
          };
          this.setHScrollBarAlwaysVisible = function (alwaysVisible) {
              this.setOption("hScrollBarAlwaysVisible", alwaysVisible);
          };
          this.getVScrollBarAlwaysVisible = function () {
              return this.$vScrollBarAlwaysVisible;
          };
          this.setVScrollBarAlwaysVisible = function (alwaysVisible) {
              this.setOption("vScrollBarAlwaysVisible", alwaysVisible);
          };
  
          this.$updateScrollBarV = function () {
              var scrollHeight = this.layerConfig.maxHeight;
              var scrollerHeight = this.$size.scrollerHeight;
              if (!this.$maxLines && this.$scrollPastEnd) {
                  scrollHeight -= (scrollerHeight - this.lineHeight) * this.$scrollPastEnd;
                  if (this.scrollTop > scrollHeight - scrollerHeight) {
                      scrollHeight = this.scrollTop + scrollerHeight;
                      this.scrollBarV.scrollTop = null;
                  }
              }
              this.scrollBarV.setScrollHeight(scrollHeight + this.scrollMargin.v);
              this.scrollBarV.setScrollTop(this.scrollTop + this.scrollMargin.top);
          };
          this.$updateScrollBarH = function () {
              this.scrollBarH.setScrollWidth(this.layerConfig.width + 2 * this.$padding + this.scrollMargin.h);
              this.scrollBarH.setScrollLeft(this.scrollLeft + this.scrollMargin.left);
          };
  
          this.$frozen = false;
          this.freeze = function () {
              this.$frozen = true;
          };
  
          this.unfreeze = function () {
              this.$frozen = false;
          };
  
          this.$renderChanges = function (changes, force) {
              if (this.$changes) {
                  changes |= this.$changes;
                  this.$changes = 0;
              }
              if ((!this.session || !this.container.offsetWidth || this.$frozen) || (!changes && !force)) {
                  this.$changes |= changes;
                  return;
              }
              if (this.$size.$dirty) {
                  this.$changes |= changes;
                  return this.onResize(true);
              }
              if (!this.lineHeight) {
                  this.$textLayer.checkForSizeChanges();
              }
  
              this._signal("beforeRender", changes);
  
              if (this.session && this.session.$bidiHandler)
                  this.session.$bidiHandler.updateCharacterWidths(this.$fontMetrics);
  
              var config = this.layerConfig;
              if (changes & this.CHANGE_FULL ||
                  changes & this.CHANGE_SIZE ||
                  changes & this.CHANGE_TEXT ||
                  changes & this.CHANGE_LINES ||
                  changes & this.CHANGE_SCROLL ||
                  changes & this.CHANGE_H_SCROLL
              ) {
                  changes |= this.$computeLayerConfig() | this.$loop.clear();
                  if (config.firstRow != this.layerConfig.firstRow && config.firstRowScreen == this.layerConfig.firstRowScreen) {
                      var st = this.scrollTop + (config.firstRow - this.layerConfig.firstRow) * this.lineHeight;
                      if (st > 0) {
                          this.scrollTop = st;
                          changes = changes | this.CHANGE_SCROLL;
                          changes |= this.$computeLayerConfig() | this.$loop.clear();
                      }
                  }
                  config = this.layerConfig;
                  this.$updateScrollBarV();
                  if (changes & this.CHANGE_H_SCROLL)
                      this.$updateScrollBarH();
  
                  dom.translate(this.content, -this.scrollLeft, -config.offset);
  
                  var width = config.width + 2 * this.$padding + "px";
                  var height = config.minHeight + "px";
  
                  dom.setStyle(this.content.style, "width", width);
                  dom.setStyle(this.content.style, "height", height);
              }
              if (changes & this.CHANGE_H_SCROLL) {
                  dom.translate(this.content, -this.scrollLeft, -config.offset);
                  this.scroller.className = this.scrollLeft <= 0 ? "ace_scroller" : "ace_scroller ace_scroll-left";
              }
              if (changes & this.CHANGE_FULL) {
                  this.$changedLines = null;
                  this.$textLayer.update(config);
                  if (this.$showGutter)
                      this.$gutterLayer.update(config);
                  this.$markerBack.update(config);
                  this.$markerFront.update(config);
                  this.$cursorLayer.update(config);
                  this.$moveTextAreaToCursor();
                  this._signal("afterRender", changes);
                  return;
              }
              if (changes & this.CHANGE_SCROLL) {
                  this.$changedLines = null;
                  if (changes & this.CHANGE_TEXT || changes & this.CHANGE_LINES)
                      this.$textLayer.update(config);
                  else
                      this.$textLayer.scrollLines(config);
  
                  if (this.$showGutter) {
                      if (changes & this.CHANGE_GUTTER || changes & this.CHANGE_LINES)
                          this.$gutterLayer.update(config);
                      else
                          this.$gutterLayer.scrollLines(config);
                  }
                  this.$markerBack.update(config);
                  this.$markerFront.update(config);
                  this.$cursorLayer.update(config);
                  this.$moveTextAreaToCursor();
                  this._signal("afterRender", changes);
                  return;
              }
  
              if (changes & this.CHANGE_TEXT) {
                  this.$changedLines = null;
                  this.$textLayer.update(config);
                  if (this.$showGutter)
                      this.$gutterLayer.update(config);
              } else if (changes & this.CHANGE_LINES) {
                  if (this.$updateLines() || (changes & this.CHANGE_GUTTER) && this.$showGutter)
                      this.$gutterLayer.update(config);
              } else if (changes & this.CHANGE_TEXT || changes & this.CHANGE_GUTTER) {
                  if (this.$showGutter)
                      this.$gutterLayer.update(config);
              } else if (changes & this.CHANGE_CURSOR) {
                  if (this.$highlightGutterLine)
                      this.$gutterLayer.updateLineHighlight(config);
              }
  
              if (changes & this.CHANGE_CURSOR) {
                  this.$cursorLayer.update(config);
                  this.$moveTextAreaToCursor();
              }
  
              if (changes & (this.CHANGE_MARKER | this.CHANGE_MARKER_FRONT)) {
                  this.$markerFront.update(config);
              }
  
              if (changes & (this.CHANGE_MARKER | this.CHANGE_MARKER_BACK)) {
                  this.$markerBack.update(config);
              }
  
              this._signal("afterRender", changes);
          };
  
  
          this.$autosize = function () {
              var height = this.session.getScreenLength() * this.lineHeight;
              var maxHeight = this.$maxLines * this.lineHeight;
              var desiredHeight = Math.min(maxHeight,
                  Math.max((this.$minLines || 1) * this.lineHeight, height)
              ) + this.scrollMargin.v + (this.$extraHeight || 0);
              if (this.$horizScroll)
                  desiredHeight += this.scrollBarH.getHeight();
              if (this.$maxPixelHeight && desiredHeight > this.$maxPixelHeight)
                  desiredHeight = this.$maxPixelHeight;
  
              var hideScrollbars = desiredHeight <= 2 * this.lineHeight;
              var vScroll = !hideScrollbars && height > maxHeight;
  
              if (desiredHeight != this.desiredHeight ||
                  this.$size.height != this.desiredHeight || vScroll != this.$vScroll) {
                  if (vScroll != this.$vScroll) {
                      this.$vScroll = vScroll;
                      this.scrollBarV.setVisible(vScroll);
                  }
  
                  var w = this.container.clientWidth;
                  this.container.style.height = desiredHeight + "px";
                  this.$updateCachedSize(true, this.$gutterWidth, w, desiredHeight);
                  this.desiredHeight = desiredHeight;
  
                  this._signal("autosize");
              }
          };
  
          this.$computeLayerConfig = function () {
              var session = this.session;
              var size = this.$size;
  
              var hideScrollbars = size.height <= 2 * this.lineHeight;
              var screenLines = this.session.getScreenLength();
              var maxHeight = screenLines * this.lineHeight;
  
              var longestLine = this.$getLongestLine();
  
              var horizScroll = !hideScrollbars && (this.$hScrollBarAlwaysVisible ||
                  size.scrollerWidth - longestLine - 2 * this.$padding < 0);
  
              var hScrollChanged = this.$horizScroll !== horizScroll;
              if (hScrollChanged) {
                  this.$horizScroll = horizScroll;
                  this.scrollBarH.setVisible(horizScroll);
              }
              var vScrollBefore = this.$vScroll; // autosize can change vscroll value in which case we need to update longestLine
              if (this.$maxLines && this.lineHeight > 1)
                  this.$autosize();
  
              var minHeight = size.scrollerHeight + this.lineHeight;
  
              var scrollPastEnd = !this.$maxLines && this.$scrollPastEnd ?
                  (size.scrollerHeight - this.lineHeight) * this.$scrollPastEnd :
                  0;
              maxHeight += scrollPastEnd;
  
              var sm = this.scrollMargin;
              this.session.setScrollTop(Math.max(-sm.top,
                  Math.min(this.scrollTop, maxHeight - size.scrollerHeight + sm.bottom)));
  
              this.session.setScrollLeft(Math.max(-sm.left, Math.min(this.scrollLeft,
                  longestLine + 2 * this.$padding - size.scrollerWidth + sm.right)));
  
              var vScroll = !hideScrollbars && (this.$vScrollBarAlwaysVisible ||
                  size.scrollerHeight - maxHeight + scrollPastEnd < 0 || this.scrollTop > sm.top);
              var vScrollChanged = vScrollBefore !== vScroll;
              if (vScrollChanged) {
                  this.$vScroll = vScroll;
                  this.scrollBarV.setVisible(vScroll);
              }
  
              var offset = this.scrollTop % this.lineHeight;
              var lineCount = Math.ceil(minHeight / this.lineHeight) - 1;
              var firstRow = Math.max(0, Math.round((this.scrollTop - offset) / this.lineHeight));
              var lastRow = firstRow + lineCount;
              var firstRowScreen, firstRowHeight;
              var lineHeight = this.lineHeight;
              firstRow = session.screenToDocumentRow(firstRow, 0);
              var foldLine = session.getFoldLine(firstRow);
              if (foldLine) {
                  firstRow = foldLine.start.row;
              }
  
              firstRowScreen = session.documentToScreenRow(firstRow, 0);
              firstRowHeight = session.getRowLength(firstRow) * lineHeight;
  
              lastRow = Math.min(session.screenToDocumentRow(lastRow, 0), session.getLength() - 1);
              minHeight = size.scrollerHeight + session.getRowLength(lastRow) * lineHeight +
                  firstRowHeight;
  
              offset = this.scrollTop - firstRowScreen * lineHeight;
  
              var changes = 0;
              if (this.layerConfig.width != longestLine || hScrollChanged)
                  changes = this.CHANGE_H_SCROLL;
              if (hScrollChanged || vScrollChanged) {
                  changes |= this.$updateCachedSize(true, this.gutterWidth, size.width, size.height);
                  this._signal("scrollbarVisibilityChanged");
                  if (vScrollChanged)
                      longestLine = this.$getLongestLine();
              }
  
              this.layerConfig = {
                  width: longestLine,
                  padding: this.$padding,
                  firstRow: firstRow,
                  firstRowScreen: firstRowScreen,
                  lastRow: lastRow,
                  lineHeight: lineHeight,
                  characterWidth: this.characterWidth,
                  minHeight: minHeight,
                  maxHeight: maxHeight,
                  offset: offset,
                  gutterOffset: lineHeight ? Math.max(0, Math.ceil((offset + size.height - size.scrollerHeight) / lineHeight)) : 0,
                  height: this.$size.scrollerHeight
              };
  
              if (this.session.$bidiHandler)
                  this.session.$bidiHandler.setContentWidth(longestLine - this.$padding);
  
              return changes;
          };
  
          this.$updateLines = function () {
              if (!this.$changedLines) return;
              var firstRow = this.$changedLines.firstRow;
              var lastRow = this.$changedLines.lastRow;
              this.$changedLines = null;
  
              var layerConfig = this.layerConfig;
  
              if (firstRow > layerConfig.lastRow + 1) {
                  return;
              }
              if (lastRow < layerConfig.firstRow) {
                  return;
              }
              if (lastRow === Infinity) {
                  if (this.$showGutter)
                      this.$gutterLayer.update(layerConfig);
                  this.$textLayer.update(layerConfig);
                  return;
              }
              this.$textLayer.updateLines(layerConfig, firstRow, lastRow);
              return true;
          };
  
          this.$getLongestLine = function () {
              var charCount = this.session.getScreenWidth();
              if (this.showInvisibles && !this.session.$useWrapMode)
                  charCount += 1;
  
              if (this.$textLayer && charCount > this.$textLayer.MAX_LINE_LENGTH)
                  charCount = this.$textLayer.MAX_LINE_LENGTH + 30;
  
              return Math.max(this.$size.scrollerWidth - 2 * this.$padding, Math.round(charCount * this.characterWidth));
          };
          this.updateFrontMarkers = function () {
              this.$markerFront.setMarkers(this.session.getMarkers(true));
              this.$loop.schedule(this.CHANGE_MARKER_FRONT);
          };
          this.updateBackMarkers = function () {
              this.$markerBack.setMarkers(this.session.getMarkers());
              this.$loop.schedule(this.CHANGE_MARKER_BACK);
          };
          this.addGutterDecoration = function (row, className) {
              this.$gutterLayer.addGutterDecoration(row, className);
          };
          this.removeGutterDecoration = function (row, className) {
              this.$gutterLayer.removeGutterDecoration(row, className);
          };
          this.updateBreakpoints = function (rows) {
              this.$loop.schedule(this.CHANGE_GUTTER);
          };
          this.setAnnotations = function (annotations) {
              this.$gutterLayer.setAnnotations(annotations);
              this.$loop.schedule(this.CHANGE_GUTTER);
          };
          this.updateCursor = function () {
              this.$loop.schedule(this.CHANGE_CURSOR);
          };
          this.hideCursor = function () {
              this.$cursorLayer.hideCursor();
          };
          this.showCursor = function () {
              this.$cursorLayer.showCursor();
          };
  
          this.scrollSelectionIntoView = function (anchor, lead, offset) {
              this.scrollCursorIntoView(anchor, offset);
              this.scrollCursorIntoView(lead, offset);
          };
          this.scrollCursorIntoView = function (cursor, offset, $viewMargin) {
              if (this.$size.scrollerHeight === 0)
                  return;
  
              var pos = this.$cursorLayer.getPixelPosition(cursor);
  
              var left = pos.left;
              var top = pos.top;
  
              var topMargin = $viewMargin && $viewMargin.top || 0;
              var bottomMargin = $viewMargin && $viewMargin.bottom || 0;
  
              var scrollTop = this.$scrollAnimation ? this.session.getScrollTop() : this.scrollTop;
  
              if (scrollTop + topMargin > top) {
                  if (offset && scrollTop + topMargin > top + this.lineHeight)
                      top -= offset * this.$size.scrollerHeight;
                  if (top === 0)
                      top = -this.scrollMargin.top;
                  this.session.setScrollTop(top);
              } else if (scrollTop + this.$size.scrollerHeight - bottomMargin < top + this.lineHeight) {
                  if (offset && scrollTop + this.$size.scrollerHeight - bottomMargin < top - this.lineHeight)
                      top += offset * this.$size.scrollerHeight;
                  this.session.setScrollTop(top + this.lineHeight + bottomMargin - this.$size.scrollerHeight);
              }
  
              var scrollLeft = this.scrollLeft;
  
              if (scrollLeft > left) {
                  if (left < this.$padding + 2 * this.layerConfig.characterWidth)
                      left = -this.scrollMargin.left;
                  this.session.setScrollLeft(left);
              } else if (scrollLeft + this.$size.scrollerWidth < left + this.characterWidth) {
                  this.session.setScrollLeft(Math.round(left + this.characterWidth - this.$size.scrollerWidth));
              } else if (scrollLeft <= this.$padding && left - scrollLeft < this.characterWidth) {
                  this.session.setScrollLeft(0);
              }
          };
          this.getScrollTop = function () {
              return this.session.getScrollTop();
          };
          this.getScrollLeft = function () {
              return this.session.getScrollLeft();
          };
          this.getScrollTopRow = function () {
              return this.scrollTop / this.lineHeight;
          };
          this.getScrollBottomRow = function () {
              return Math.max(0, Math.floor((this.scrollTop + this.$size.scrollerHeight) / this.lineHeight) - 1);
          };
          this.scrollToRow = function (row) {
              this.session.setScrollTop(row * this.lineHeight);
          };
  
          this.alignCursor = function (cursor, alignment) {
              if (typeof cursor == "number")
                  cursor = {
                      row: cursor,
                      column: 0
                  };
  
              var pos = this.$cursorLayer.getPixelPosition(cursor);
              var h = this.$size.scrollerHeight - this.lineHeight;
              var offset = pos.top - h * (alignment || 0);
  
              this.session.setScrollTop(offset);
              return offset;
          };
  
          this.STEPS = 8;
          this.$calcSteps = function (fromValue, toValue) {
              var i = 0;
              var l = this.STEPS;
              var steps = [];
  
              var func = function (t, x_min, dx) {
                  return dx * (Math.pow(t - 1, 3) + 1) + x_min;
              };
  
              for (i = 0; i < l; ++i)
                  steps.push(func(i / this.STEPS, fromValue, toValue - fromValue));
  
              return steps;
          };
          this.scrollToLine = function (line, center, animate, callback) {
              var pos = this.$cursorLayer.getPixelPosition({
                  row: line,
                  column: 0
              });
              var offset = pos.top;
              if (center)
                  offset -= this.$size.scrollerHeight / 2;
  
              var initialScroll = this.scrollTop;
              this.session.setScrollTop(offset);
              if (animate !== false)
                  this.animateScrolling(initialScroll, callback);
          };
  
          this.animateScrolling = function (fromValue, callback) {
              var toValue = this.scrollTop;
              if (!this.$animatedScroll)
                  return;
              var _self = this;
  
              if (fromValue == toValue)
                  return;
  
              if (this.$scrollAnimation) {
                  var oldSteps = this.$scrollAnimation.steps;
                  if (oldSteps.length) {
                      fromValue = oldSteps[0];
                      if (fromValue == toValue)
                          return;
                  }
              }
  
              var steps = _self.$calcSteps(fromValue, toValue);
              this.$scrollAnimation = {
                  from: fromValue,
                  to: toValue,
                  steps: steps
              };
  
              clearInterval(this.$timer);
  
              _self.session.setScrollTop(steps.shift());
              _self.session.$scrollTop = toValue;
              this.$timer = setInterval(function () {
                  if (!_self.session)
                      return clearInterval(_self.$timer);
                  if (steps.length) {
                      _self.session.setScrollTop(steps.shift());
                      _self.session.$scrollTop = toValue;
                  } else if (toValue != null) {
                      _self.session.$scrollTop = -1;
                      _self.session.setScrollTop(toValue);
                      toValue = null;
                  } else {
                      _self.$timer = clearInterval(_self.$timer);
                      _self.$scrollAnimation = null;
                      callback && callback();
                  }
              }, 10);
          };
          this.scrollToY = function (scrollTop) {
              if (this.scrollTop !== scrollTop) {
                  this.$loop.schedule(this.CHANGE_SCROLL);
                  this.scrollTop = scrollTop;
              }
          };
          this.scrollToX = function (scrollLeft) {
              if (this.scrollLeft !== scrollLeft)
                  this.scrollLeft = scrollLeft;
              this.$loop.schedule(this.CHANGE_H_SCROLL);
          };
          this.scrollTo = function (x, y) {
              this.session.setScrollTop(y);
              this.session.setScrollLeft(y);
          };
          this.scrollBy = function (deltaX, deltaY) {
              deltaY && this.session.setScrollTop(this.session.getScrollTop() + deltaY);
              deltaX && this.session.setScrollLeft(this.session.getScrollLeft() + deltaX);
          };
          this.isScrollableBy = function (deltaX, deltaY) {
              if (deltaY < 0 && this.session.getScrollTop() >= 1 - this.scrollMargin.top)
                  return true;
              if (deltaY > 0 && this.session.getScrollTop() + this.$size.scrollerHeight -
                  this.layerConfig.maxHeight < -1 + this.scrollMargin.bottom)
                  return true;
              if (deltaX < 0 && this.session.getScrollLeft() >= 1 - this.scrollMargin.left)
                  return true;
              if (deltaX > 0 && this.session.getScrollLeft() + this.$size.scrollerWidth -
                  this.layerConfig.width < -1 + this.scrollMargin.right)
                  return true;
          };
  
          this.pixelToScreenCoordinates = function (x, y) {
              var canvasPos;
              if (this.$hasCssTransforms) {
                  canvasPos = {
                      top: 0,
                      left: 0
                  };
                  var p = this.$fontMetrics.transformCoordinates([x, y]);
                  x = p[1] - this.gutterWidth - this.margin.left;
                  y = p[0];
              } else {
                  canvasPos = this.scroller.getBoundingClientRect();
              }
  
              var offsetX = x + this.scrollLeft - canvasPos.left - this.$padding;
              var offset = offsetX / this.characterWidth;
              var row = Math.floor((y + this.scrollTop - canvasPos.top) / this.lineHeight);
              var col = this.$blockCursor ? Math.floor(offset) : Math.round(offset);
  
              return {
                  row: row,
                  column: col,
                  side: offset - col > 0 ? 1 : -1,
                  offsetX: offsetX
              };
          };
  
          this.screenToTextCoordinates = function (x, y) {
              var canvasPos;
              if (this.$hasCssTransforms) {
                  canvasPos = {
                      top: 0,
                      left: 0
                  };
                  var p = this.$fontMetrics.transformCoordinates([x, y]);
                  x = p[1] - this.gutterWidth - this.margin.left;
                  y = p[0];
              } else {
                  canvasPos = this.scroller.getBoundingClientRect();
              }
  
              var offsetX = x + this.scrollLeft - canvasPos.left - this.$padding;
              var offset = offsetX / this.characterWidth;
              var col = this.$blockCursor ? Math.floor(offset) : Math.round(offset);
  
              var row = Math.floor((y + this.scrollTop - canvasPos.top) / this.lineHeight);
  
              return this.session.screenToDocumentPosition(row, Math.max(col, 0), offsetX);
          };
          this.textToScreenCoordinates = function (row, column) {
              var canvasPos = this.scroller.getBoundingClientRect();
              var pos = this.session.documentToScreenPosition(row, column);
  
              var x = this.$padding + (this.session.$bidiHandler.isBidiRow(pos.row, row) ?
                  this.session.$bidiHandler.getPosLeft(pos.column) :
                  Math.round(pos.column * this.characterWidth));
  
              var y = pos.row * this.lineHeight;
  
              return {
                  pageX: canvasPos.left + x - this.scrollLeft,
                  pageY: canvasPos.top + y - this.scrollTop
              };
          };
          this.visualizeFocus = function () {
              dom.addCssClass(this.container, "ace_focus");
          };
          this.visualizeBlur = function () {
              dom.removeCssClass(this.container, "ace_focus");
          };
          this.showComposition = function (composition) {
              this.$composition = composition;
              if (!composition.cssText) {
                  composition.cssText = this.textarea.style.cssText;
              }
              if (composition.useTextareaForIME == undefined)
                  composition.useTextareaForIME = this.$useTextareaForIME;
  
              if (this.$useTextareaForIME) {
                  dom.addCssClass(this.textarea, "ace_composition");
                  this.textarea.style.cssText = "";
                  this.$moveTextAreaToCursor();
                  this.$cursorLayer.element.style.display = "none";
              } else {
                  composition.markerId = this.session.addMarker(composition.markerRange, "ace_composition_marker", "text");
              }
          };
          this.setCompositionText = function (text) {
              var cursor = this.session.selection.cursor;
              this.addToken(text, "composition_placeholder", cursor.row, cursor.column);
              this.$moveTextAreaToCursor();
          };
          this.hideComposition = function () {
              if (!this.$composition)
                  return;
  
              if (this.$composition.markerId)
                  this.session.removeMarker(this.$composition.markerId);
  
              dom.removeCssClass(this.textarea, "ace_composition");
              this.textarea.style.cssText = this.$composition.cssText;
              var cursor = this.session.selection.cursor;
              this.removeExtraToken(cursor.row, cursor.column);
              this.$composition = null;
              this.$cursorLayer.element.style.display = "";
          };
  
          this.addToken = function (text, type, row, column) {
              var session = this.session;
              session.bgTokenizer.lines[row] = null;
              var newToken = {
                  type: type,
                  value: text
              };
              var tokens = session.getTokens(row);
              if (column == null) {
                  tokens.push(newToken);
              } else {
                  var l = 0;
                  for (var i = 0; i < tokens.length; i++) {
                      var token = tokens[i];
                      l += token.value.length;
                      if (column <= l) {
                          var diff = token.value.length - (l - column);
                          var before = token.value.slice(0, diff);
                          var after = token.value.slice(diff);
  
                          tokens.splice(i, 1, {
                              type: token.type,
                              value: before
                          }, newToken, {
                              type: token.type,
                              value: after
                          });
                          break;
                      }
                  }
              }
              this.updateLines(row, row);
          };
  
          this.removeExtraToken = function (row, column) {
              this.updateLines(row, row);
          };
          this.setTheme = function (theme, cb) {
              var _self = this;
              this.$themeId = theme;
              _self._dispatchEvent('themeChange', {
                  theme: theme
              });
  
              if (!theme || typeof theme == "string") {
                  var moduleName = theme || this.$options.theme.initialValue;
                  config.loadModule(["theme", moduleName], afterLoad);
              } else {
                  afterLoad(theme);
              }
  
              function afterLoad(module) {
                  if (_self.$themeId != theme)
                      return cb && cb();
                  if (!module || !module.cssClass)
                      throw new Error("couldn't load module " + theme + " or it didn't call define");
                  if (module.$id)
                      _self.$themeId = module.$id;
                  dom.importCssString(
                      module.cssText,
                      module.cssClass,
                      _self.container
                  );
  
                  if (_self.theme)
                      dom.removeCssClass(_self.container, _self.theme.cssClass);
  
                  var padding = "padding" in module ? module.padding :
                      "padding" in (_self.theme || {}) ? 4 : _self.$padding;
                  if (_self.$padding && padding != _self.$padding)
                      _self.setPadding(padding);
                  _self.$theme = module.cssClass;
  
                  _self.theme = module;
                  dom.addCssClass(_self.container, module.cssClass);
                  dom.setCssClass(_self.container, "ace_dark", module.isDark);
                  if (_self.$size) {
                      _self.$size.width = 0;
                      _self.$updateSizeAsync();
                  }
  
                  _self._dispatchEvent('themeLoaded', {
                      theme: module
                  });
                  cb && cb();
              }
          };
          this.getTheme = function () {
              return this.$themeId;
          };
          this.setStyle = function (style, include) {
              dom.setCssClass(this.container, style, include !== false);
          };
          this.unsetStyle = function (style) {
              dom.removeCssClass(this.container, style);
          };
  
          this.setCursorStyle = function (style) {
              dom.setStyle(this.scroller.style, "cursor", style);
          };
          this.setMouseCursor = function (cursorStyle) {
              dom.setStyle(this.scroller.style, "cursor", cursorStyle);
          };
  
          this.attachToShadowRoot = function () {
              dom.importCssString(editorCss, "ace_editor.css", this.container);
          };
          this.destroy = function () {
              this.freeze();
              this.$fontMetrics.destroy();
              this.$cursorLayer.destroy();
              this.removeAllListeners();
              this.container.textContent = "";
          };
  
      }).call(VirtualRenderer.prototype);
  
  
      config.defineOptions(VirtualRenderer.prototype, "renderer", {
          animatedScroll: {
              initialValue: false
          },
          showInvisibles: {
              set: function (value) {
                  if (this.$textLayer.setShowInvisibles(value))
                      this.$loop.schedule(this.CHANGE_TEXT);
              },
              initialValue: false
          },
          showPrintMargin: {
              set: function () {
                  this.$updatePrintMargin();
              },
              initialValue: true
          },
          printMarginColumn: {
              set: function () {
                  this.$updatePrintMargin();
              },
              initialValue: 80
          },
          printMargin: {
              set: function (val) {
                  if (typeof val == "number")
                      this.$printMarginColumn = val;
                  this.$showPrintMargin = !!val;
                  this.$updatePrintMargin();
              },
              get: function () {
                  return this.$showPrintMargin && this.$printMarginColumn;
              }
          },
          showGutter: {
              set: function (show) {
                  this.$gutter.style.display = show ? "block" : "none";
                  this.$loop.schedule(this.CHANGE_FULL);
                  this.onGutterResize();
              },
              initialValue: true
          },
          fadeFoldWidgets: {
              set: function (show) {
                  dom.setCssClass(this.$gutter, "ace_fade-fold-widgets", show);
              },
              initialValue: false
          },
          showFoldWidgets: {
              set: function (show) {
                  this.$gutterLayer.setShowFoldWidgets(show);
                  this.$loop.schedule(this.CHANGE_GUTTER);
              },
              initialValue: true
          },
          displayIndentGuides: {
              set: function (show) {
                  if (this.$textLayer.setDisplayIndentGuides(show))
                      this.$loop.schedule(this.CHANGE_TEXT);
              },
              initialValue: true
          },
          highlightGutterLine: {
              set: function (shouldHighlight) {
                  this.$gutterLayer.setHighlightGutterLine(shouldHighlight);
                  this.$loop.schedule(this.CHANGE_GUTTER);
              },
              initialValue: true
          },
          hScrollBarAlwaysVisible: {
              set: function (val) {
                  if (!this.$hScrollBarAlwaysVisible || !this.$horizScroll)
                      this.$loop.schedule(this.CHANGE_SCROLL);
              },
              initialValue: false
          },
          vScrollBarAlwaysVisible: {
              set: function (val) {
                  if (!this.$vScrollBarAlwaysVisible || !this.$vScroll)
                      this.$loop.schedule(this.CHANGE_SCROLL);
              },
              initialValue: false
          },
          fontSize: {
              set: function (size) {
                  if (typeof size == "number")
                      size = size + "px";
                  this.container.style.fontSize = size;
                  this.updateFontSize();
              },
              initialValue: 12
          },
          fontFamily: {
              set: function (name) {
                  this.container.style.fontFamily = name;
                  this.updateFontSize();
              }
          },
          maxLines: {
              set: function (val) {
                  this.updateFull();
              }
          },
          minLines: {
              set: function (val) {
                  if (!(this.$minLines < 0x1ffffffffffff))
                      this.$minLines = 0;
                  this.updateFull();
              }
          },
          maxPixelHeight: {
              set: function (val) {
                  this.updateFull();
              },
              initialValue: 0
          },
          scrollPastEnd: {
              set: function (val) {
                  val = +val || 0;
                  if (this.$scrollPastEnd == val)
                      return;
                  this.$scrollPastEnd = val;
                  this.$loop.schedule(this.CHANGE_SCROLL);
              },
              initialValue: 0,
              handlesSet: true
          },
          fixedWidthGutter: {
              set: function (val) {
                  this.$gutterLayer.$fixedWidth = !!val;
                  this.$loop.schedule(this.CHANGE_GUTTER);
              }
          },
          theme: {
              set: function (val) {
                  this.setTheme(val);
              },
              get: function () {
                  return this.$themeId || this.theme;
              },
              initialValue: "./theme/textmate",
              handlesSet: true
          },
          hasCssTransforms: {},
          useTextareaForIME: {
              initialValue: !useragent.isMobile && !useragent.isIE
          }
      });
  
      exports.VirtualRenderer = VirtualRenderer;
  });
  
  define("ace/worker/worker_client", ["require", "exports", "module", "ace/lib/oop", "ace/lib/net", "ace/lib/event_emitter", "ace/config"], function (require, exports, module) {
      "use strict";
  
      var oop = require("../lib/oop");
      var net = require("../lib/net");
      var EventEmitter = require("../lib/event_emitter").EventEmitter;
      var config = require("../config");
  
      function $workerBlob(workerUrl) {
          var script = "importScripts('" + net.qualifyURL(workerUrl) + "');";
          try {
              return new Blob([script], {
                  "type": "application/javascript"
              });
          } catch (e) { // Backwards-compatibility
              var BlobBuilder = window.BlobBuilder || window.WebKitBlobBuilder || window.MozBlobBuilder;
              var blobBuilder = new BlobBuilder();
              blobBuilder.append(script);
              return blobBuilder.getBlob("application/javascript");
          }
      }
  
      function createWorker(workerUrl) {
          if (typeof Worker == "undefined")
              return {
                  postMessage: function () {},
                  terminate: function () {}
              };
          if (config.get("loadWorkerFromBlob")) {
              var blob = $workerBlob(workerUrl);
              var URL = window.URL || window.webkitURL;
              var blobURL = URL.createObjectURL(blob);
              return new Worker(blobURL);
          }
          return new Worker(workerUrl);
      }
  
      var WorkerClient = function (worker) {
          if (!worker.postMessage)
              worker = this.$createWorkerFromOldConfig.apply(this, arguments);
  
          this.$worker = worker;
          this.$sendDeltaQueue = this.$sendDeltaQueue.bind(this);
          this.changeListener = this.changeListener.bind(this);
          this.onMessage = this.onMessage.bind(this);
  
          this.callbackId = 1;
          this.callbacks = {};
  
          this.$worker.onmessage = this.onMessage;
      };
  
      (function () {
  
          oop.implement(this, EventEmitter);
  
          this.$createWorkerFromOldConfig = function (topLevelNamespaces, mod, classname, workerUrl, importScripts) {
              if (require.nameToUrl && !require.toUrl)
                  require.toUrl = require.nameToUrl;
  
              if (config.get("packaged") || !require.toUrl) {
                  workerUrl = workerUrl || config.moduleUrl(mod, "worker");
              } else {
                  var normalizePath = this.$normalizePath;
                  workerUrl = workerUrl || normalizePath(require.toUrl("ace/worker/worker.js", null, "_"));
  
                  var tlns = {};
                  topLevelNamespaces.forEach(function (ns) {
                      tlns[ns] = normalizePath(require.toUrl(ns, null, "_").replace(/(\.js)?(\?.*)?$/, ""));
                  });
              }
  
              this.$worker = createWorker(workerUrl);
              if (importScripts) {
                  this.send("importScripts", importScripts);
              }
              this.$worker.postMessage({
                  init: true,
                  tlns: tlns,
                  module: mod,
                  classname: classname
              });
              return this.$worker;
          };
  
          this.onMessage = function (e) {
              var msg = e.data;
              switch (msg.type) {
                  case "event":
                      this._signal(msg.name, {
                          data: msg.data
                      });
                      break;
                  case "call":
                      var callback = this.callbacks[msg.id];
                      if (callback) {
                          callback(msg.data);
                          delete this.callbacks[msg.id];
                      }
                      break;
                  case "error":
                      this.reportError(msg.data);
                      break;
                  case "log":
                      window.console && console.log && console.log.apply(console, msg.data);
                      break;
              }
          };
  
          this.reportError = function (err) {
              window.console && console.error && console.error(err);
          };
  
          this.$normalizePath = function (path) {
              return net.qualifyURL(path);
          };
  
          this.terminate = function () {
              this._signal("terminate", {});
              this.deltaQueue = null;
              this.$worker.terminate();
              this.$worker = null;
              if (this.$doc)
                  this.$doc.off("change", this.changeListener);
              this.$doc = null;
          };
  
          this.send = function (cmd, args) {
              this.$worker.postMessage({
                  command: cmd,
                  args: args
              });
          };
  
          this.call = function (cmd, args, callback) {
              if (callback) {
                  var id = this.callbackId++;
                  this.callbacks[id] = callback;
                  args.push(id);
              }
              this.send(cmd, args);
          };
  
          this.emit = function (event, data) {
              try {
                  if (data.data && data.data.err)
                      data.data.err = {
                          message: data.data.err.message,
                          stack: data.data.err.stack,
                          code: data.data.err.code
                      };
                  this.$worker.postMessage({
                      event: event,
                      data: {
                          data: data.data
                      }
                  });
              } catch (ex) {
                  console.error(ex.stack);
              }
          };
  
          this.attachToDocument = function (doc) {
              if (this.$doc)
                  this.terminate();
  
              this.$doc = doc;
              this.call("setValue", [doc.getValue()]);
              doc.on("change", this.changeListener);
          };
  
          this.changeListener = function (delta) {
              if (!this.deltaQueue) {
                  this.deltaQueue = [];
                  setTimeout(this.$sendDeltaQueue, 0);
              }
              if (delta.action == "insert")
                  this.deltaQueue.push(delta.start, delta.lines);
              else
                  this.deltaQueue.push(delta.start, delta.end);
          };
  
          this.$sendDeltaQueue = function () {
              var q = this.deltaQueue;
              if (!q) return;
              this.deltaQueue = null;
              if (q.length > 50 && q.length > this.$doc.getLength() >> 1) {
                  this.call("setValue", [this.$doc.getValue()]);
              } else
                  this.emit("change", {
                      data: q
                  });
          };
  
      }).call(WorkerClient.prototype);
  
  
      var UIWorkerClient = function (topLevelNamespaces, mod, classname) {
          var main = null;
          var emitSync = false;
          var sender = Object.create(EventEmitter);
  
          var messageBuffer = [];
          var workerClient = new WorkerClient({
              messageBuffer: messageBuffer,
              terminate: function () {},
              postMessage: function (e) {
                  messageBuffer.push(e);
                  if (!main) return;
                  if (emitSync)
                      setTimeout(processNext);
                  else
                      processNext();
              }
          });
  
          workerClient.setEmitSync = function (val) {
              emitSync = val;
          };
  
          var processNext = function () {
              var msg = messageBuffer.shift();
              if (msg.command)
                  main[msg.command].apply(main, msg.args);
              else if (msg.event)
                  sender._signal(msg.event, msg.data);
          };
  
          sender.postMessage = function (msg) {
              workerClient.onMessage({
                  data: msg
              });
          };
          sender.callback = function (data, callbackId) {
              this.postMessage({
                  type: "call",
                  id: callbackId,
                  data: data
              });
          };
          sender.emit = function (name, data) {
              this.postMessage({
                  type: "event",
                  name: name,
                  data: data
              });
          };
  
          config.loadModule(["worker", mod], function (Main) {
              main = new Main[classname](sender);
              while (messageBuffer.length)
                  processNext();
          });
  
          return workerClient;
      };
  
      exports.UIWorkerClient = UIWorkerClient;
      exports.WorkerClient = WorkerClient;
      exports.createWorker = createWorker;
  
  
  });
  
  define("ace/placeholder", ["require", "exports", "module", "ace/range", "ace/lib/event_emitter", "ace/lib/oop"], function (require, exports, module) {
      "use strict";
  
      var Range = require("./range").Range;
      var EventEmitter = require("./lib/event_emitter").EventEmitter;
      var oop = require("./lib/oop");
  
      var PlaceHolder = function (session, length, pos, others, mainClass, othersClass) {
          var _self = this;
          this.length = length;
          this.session = session;
          this.doc = session.getDocument();
          this.mainClass = mainClass;
          this.othersClass = othersClass;
          this.$onUpdate = this.onUpdate.bind(this);
          this.doc.on("change", this.$onUpdate);
          this.$others = others;
  
          this.$onCursorChange = function () {
              setTimeout(function () {
                  _self.onCursorChange();
              });
          };
  
          this.$pos = pos;
          var undoStack = session.getUndoManager().$undoStack || session.getUndoManager().$undostack || {
              length: -1
          };
          this.$undoStackDepth = undoStack.length;
          this.setup();
  
          session.selection.on("changeCursor", this.$onCursorChange);
      };
  
      (function () {
  
          oop.implement(this, EventEmitter);
          this.setup = function () {
              var _self = this;
              var doc = this.doc;
              var session = this.session;
  
              this.selectionBefore = session.selection.toJSON();
              if (session.selection.inMultiSelectMode)
                  session.selection.toSingleRange();
  
              this.pos = doc.createAnchor(this.$pos.row, this.$pos.column);
              var pos = this.pos;
              pos.$insertRight = true;
              pos.detach();
              pos.markerId = session.addMarker(new Range(pos.row, pos.column, pos.row, pos.column + this.length), this.mainClass, null, false);
              this.others = [];
              this.$others.forEach(function (other) {
                  var anchor = doc.createAnchor(other.row, other.column);
                  anchor.$insertRight = true;
                  anchor.detach();
                  _self.others.push(anchor);
              });
              session.setUndoSelect(false);
          };
          this.showOtherMarkers = function () {
              if (this.othersActive) return;
              var session = this.session;
              var _self = this;
              this.othersActive = true;
              this.others.forEach(function (anchor) {
                  anchor.markerId = session.addMarker(new Range(anchor.row, anchor.column, anchor.row, anchor.column + _self.length), _self.othersClass, null, false);
              });
          };
          this.hideOtherMarkers = function () {
              if (!this.othersActive) return;
              this.othersActive = false;
              for (var i = 0; i < this.others.length; i++) {
                  this.session.removeMarker(this.others[i].markerId);
              }
          };
          this.onUpdate = function (delta) {
              if (this.$updating)
                  return this.updateAnchors(delta);
  
              var range = delta;
              if (range.start.row !== range.end.row) return;
              if (range.start.row !== this.pos.row) return;
              this.$updating = true;
              var lengthDiff = delta.action === "insert" ? range.end.column - range.start.column : range.start.column - range.end.column;
              var inMainRange = range.start.column >= this.pos.column && range.start.column <= this.pos.column + this.length + 1;
              var distanceFromStart = range.start.column - this.pos.column;
  
              this.updateAnchors(delta);
  
              if (inMainRange)
                  this.length += lengthDiff;
  
              if (inMainRange && !this.session.$fromUndo) {
                  if (delta.action === 'insert') {
                      for (var i = this.others.length - 1; i >= 0; i--) {
                          var otherPos = this.others[i];
                          var newPos = {
                              row: otherPos.row,
                              column: otherPos.column + distanceFromStart
                          };
                          this.doc.insertMergedLines(newPos, delta.lines);
                      }
                  } else if (delta.action === 'remove') {
                      for (var i = this.others.length - 1; i >= 0; i--) {
                          var otherPos = this.others[i];
                          var newPos = {
                              row: otherPos.row,
                              column: otherPos.column + distanceFromStart
                          };
                          this.doc.remove(new Range(newPos.row, newPos.column, newPos.row, newPos.column - lengthDiff));
                      }
                  }
              }
  
              this.$updating = false;
              this.updateMarkers();
          };
  
          this.updateAnchors = function (delta) {
              this.pos.onChange(delta);
              for (var i = this.others.length; i--;)
                  this.others[i].onChange(delta);
              this.updateMarkers();
          };
  
          this.updateMarkers = function () {
              if (this.$updating)
                  return;
              var _self = this;
              var session = this.session;
              var updateMarker = function (pos, className) {
                  session.removeMarker(pos.markerId);
                  pos.markerId = session.addMarker(new Range(pos.row, pos.column, pos.row, pos.column + _self.length), className, null, false);
              };
              updateMarker(this.pos, this.mainClass);
              for (var i = this.others.length; i--;)
                  updateMarker(this.others[i], this.othersClass);
          };
  
          this.onCursorChange = function (event) {
              if (this.$updating || !this.session) return;
              var pos = this.session.selection.getCursor();
              if (pos.row === this.pos.row && pos.column >= this.pos.column && pos.column <= this.pos.column + this.length) {
                  this.showOtherMarkers();
                  this._emit("cursorEnter", event);
              } else {
                  this.hideOtherMarkers();
                  this._emit("cursorLeave", event);
              }
          };
          this.detach = function () {
              this.session.removeMarker(this.pos && this.pos.markerId);
              this.hideOtherMarkers();
              this.doc.off("change", this.$onUpdate);
              this.session.selection.off("changeCursor", this.$onCursorChange);
              this.session.setUndoSelect(true);
              this.session = null;
          };
          this.cancel = function () {
              if (this.$undoStackDepth === -1)
                  return;
              var undoManager = this.session.getUndoManager();
              var undosRequired = (undoManager.$undoStack || undoManager.$undostack).length - this.$undoStackDepth;
              for (var i = 0; i < undosRequired; i++) {
                  undoManager.undo(this.session, true);
              }
              if (this.selectionBefore)
                  this.session.selection.fromJSON(this.selectionBefore);
          };
      }).call(PlaceHolder.prototype);
  
  
      exports.PlaceHolder = PlaceHolder;
  });
  
  define("ace/mouse/multi_select_handler", ["require", "exports", "module", "ace/lib/event", "ace/lib/useragent"], function (require, exports, module) {
  
      var event = require("../lib/event");
      var useragent = require("../lib/useragent");
  
      function isSamePoint(p1, p2) {
          return p1.row == p2.row && p1.column == p2.column;
      }
  
      function onMouseDown(e) {
          var ev = e.domEvent;
          var alt = ev.altKey;
          var shift = ev.shiftKey;
          var ctrl = ev.ctrlKey;
          var accel = e.getAccelKey();
          var button = e.getButton();
  
          if (ctrl && useragent.isMac)
              button = ev.button;
  
          if (e.editor.inMultiSelectMode && button == 2) {
              e.editor.textInput.onContextMenu(e.domEvent);
              return;
          }
  
          if (!ctrl && !alt && !accel) {
              if (button === 0 && e.editor.inMultiSelectMode)
                  e.editor.exitMultiSelectMode();
              return;
          }
  
          if (button !== 0)
              return;
  
          var editor = e.editor;
          var selection = editor.selection;
          var isMultiSelect = editor.inMultiSelectMode;
          var pos = e.getDocumentPosition();
          var cursor = selection.getCursor();
          var inSelection = e.inSelection() || (selection.isEmpty() && isSamePoint(pos, cursor));
  
          var mouseX = e.x,
              mouseY = e.y;
          var onMouseSelection = function (e) {
              mouseX = e.clientX;
              mouseY = e.clientY;
          };
  
          var session = editor.session;
          var screenAnchor = editor.renderer.pixelToScreenCoordinates(mouseX, mouseY);
          var screenCursor = screenAnchor;
  
          var selectionMode;
          if (editor.$mouseHandler.$enableJumpToDef) {
              if (ctrl && alt || accel && alt)
                  selectionMode = shift ? "block" : "add";
              else if (alt && editor.$blockSelectEnabled)
                  selectionMode = "block";
          } else {
              if (accel && !alt) {
                  selectionMode = "add";
                  if (!isMultiSelect && shift)
                      return;
              } else if (alt && editor.$blockSelectEnabled) {
                  selectionMode = "block";
              }
          }
  
          if (selectionMode && useragent.isMac && ev.ctrlKey) {
              editor.$mouseHandler.cancelContextMenu();
          }
  
          if (selectionMode == "add") {
              if (!isMultiSelect && inSelection)
                  return; // dragging
  
              if (!isMultiSelect) {
                  var range = selection.toOrientedRange();
                  editor.addSelectionMarker(range);
              }
  
              var oldRange = selection.rangeList.rangeAtPoint(pos);
  
              editor.inVirtualSelectionMode = true;
  
              if (shift) {
                  oldRange = null;
                  range = selection.ranges[0] || range;
                  editor.removeSelectionMarker(range);
              }
              editor.once("mouseup", function () {
                  var tmpSel = selection.toOrientedRange();
  
                  if (oldRange && tmpSel.isEmpty() && isSamePoint(oldRange.cursor, tmpSel.cursor))
                      selection.substractPoint(tmpSel.cursor);
                  else {
                      if (shift) {
                          selection.substractPoint(range.cursor);
                      } else if (range) {
                          editor.removeSelectionMarker(range);
                          selection.addRange(range);
                      }
                      selection.addRange(tmpSel);
                  }
                  editor.inVirtualSelectionMode = false;
              });
  
          } else if (selectionMode == "block") {
              e.stop();
              editor.inVirtualSelectionMode = true;
              var initialRange;
              var rectSel = [];
              var blockSelect = function () {
                  var newCursor = editor.renderer.pixelToScreenCoordinates(mouseX, mouseY);
                  var cursor = session.screenToDocumentPosition(newCursor.row, newCursor.column, newCursor.offsetX);
  
                  if (isSamePoint(screenCursor, newCursor) && isSamePoint(cursor, selection.lead))
                      return;
                  screenCursor = newCursor;
  
                  editor.selection.moveToPosition(cursor);
                  editor.renderer.scrollCursorIntoView();
  
                  editor.removeSelectionMarkers(rectSel);
                  rectSel = selection.rectangularRangeBlock(screenCursor, screenAnchor);
                  if (editor.$mouseHandler.$clickSelection && rectSel.length == 1 && rectSel[0].isEmpty())
                      rectSel[0] = editor.$mouseHandler.$clickSelection.clone();
                  rectSel.forEach(editor.addSelectionMarker, editor);
                  editor.updateSelectionMarkers();
              };
              if (isMultiSelect && !accel) {
                  selection.toSingleRange();
              } else if (!isMultiSelect && accel) {
                  initialRange = selection.toOrientedRange();
                  editor.addSelectionMarker(initialRange);
              }
  
              if (shift)
                  screenAnchor = session.documentToScreenPosition(selection.lead);
              else
                  selection.moveToPosition(pos);
  
              screenCursor = {
                  row: -1,
                  column: -1
              };
  
              var onMouseSelectionEnd = function (e) {
                  blockSelect();
                  clearInterval(timerId);
                  editor.removeSelectionMarkers(rectSel);
                  if (!rectSel.length)
                      rectSel = [selection.toOrientedRange()];
                  if (initialRange) {
                      editor.removeSelectionMarker(initialRange);
                      selection.toSingleRange(initialRange);
                  }
                  for (var i = 0; i < rectSel.length; i++)
                      selection.addRange(rectSel[i]);
                  editor.inVirtualSelectionMode = false;
                  editor.$mouseHandler.$clickSelection = null;
              };
  
              var onSelectionInterval = blockSelect;
  
              event.capture(editor.container, onMouseSelection, onMouseSelectionEnd);
              var timerId = setInterval(function () {
                  onSelectionInterval();
              }, 20);
  
              return e.preventDefault();
          }
      }
  
  
      exports.onMouseDown = onMouseDown;
  
  });
  
  define("ace/commands/multi_select_commands", ["require", "exports", "module", "ace/keyboard/hash_handler"], function (require, exports, module) {
      exports.defaultCommands = [{
          name: "addCursorAbove",
          description: "Add cursor above",
          exec: function (editor) {
              editor.selectMoreLines(-1);
          },
          bindKey: {
              win: "Ctrl-Alt-Up",
              mac: "Ctrl-Alt-Up"
          },
          scrollIntoView: "cursor",
          readOnly: true
      }, {
          name: "addCursorBelow",
          description: "Add cursor below",
          exec: function (editor) {
              editor.selectMoreLines(1);
          },
          bindKey: {
              win: "Ctrl-Alt-Down",
              mac: "Ctrl-Alt-Down"
          },
          scrollIntoView: "cursor",
          readOnly: true
      }, {
          name: "addCursorAboveSkipCurrent",
          description: "Add cursor above (skip current)",
          exec: function (editor) {
              editor.selectMoreLines(-1, true);
          },
          bindKey: {
              win: "Ctrl-Alt-Shift-Up",
              mac: "Ctrl-Alt-Shift-Up"
          },
          scrollIntoView: "cursor",
          readOnly: true
      }, {
          name: "addCursorBelowSkipCurrent",
          description: "Add cursor below (skip current)",
          exec: function (editor) {
              editor.selectMoreLines(1, true);
          },
          bindKey: {
              win: "Ctrl-Alt-Shift-Down",
              mac: "Ctrl-Alt-Shift-Down"
          },
          scrollIntoView: "cursor",
          readOnly: true
      }, {
          name: "selectMoreBefore",
          description: "Select more before",
          exec: function (editor) {
              editor.selectMore(-1);
          },
          bindKey: {
              win: "Ctrl-Alt-Left",
              mac: "Ctrl-Alt-Left"
          },
          scrollIntoView: "cursor",
          readOnly: true
      }, {
          name: "selectMoreAfter",
          description: "Select more after",
          exec: function (editor) {
              editor.selectMore(1);
          },
          bindKey: {
              win: "Ctrl-Alt-Right",
              mac: "Ctrl-Alt-Right"
          },
          scrollIntoView: "cursor",
          readOnly: true
      }, {
          name: "selectNextBefore",
          description: "Select next before",
          exec: function (editor) {
              editor.selectMore(-1, true);
          },
          bindKey: {
              win: "Ctrl-Alt-Shift-Left",
              mac: "Ctrl-Alt-Shift-Left"
          },
          scrollIntoView: "cursor",
          readOnly: true
      }, {
          name: "selectNextAfter",
          description: "Select next after",
          exec: function (editor) {
              editor.selectMore(1, true);
          },
          bindKey: {
              win: "Ctrl-Alt-Shift-Right",
              mac: "Ctrl-Alt-Shift-Right"
          },
          scrollIntoView: "cursor",
          readOnly: true
      }, {
          name: "toggleSplitSelectionIntoLines",
          description: "Split into lines",
          exec: function (editor) {
              if (editor.multiSelect.rangeCount > 1)
                  editor.multiSelect.joinSelections();
              else
                  editor.multiSelect.splitIntoLines();
          },
          bindKey: {
              win: "Ctrl-Alt-L",
              mac: "Ctrl-Alt-L"
          },
          readOnly: true
      }, {
          name: "splitSelectionIntoLines",
          description: "Split into lines",
          exec: function (editor) {
              editor.multiSelect.splitIntoLines();
          },
          readOnly: true
      }, {
          name: "alignCursors",
          description: "Align cursors",
          exec: function (editor) {
              editor.alignCursors();
          },
          bindKey: {
              win: "Ctrl-Alt-A",
              mac: "Ctrl-Alt-A"
          },
          scrollIntoView: "cursor"
      }, {
          name: "findAll",
          description: "Find all",
          exec: function (editor) {
              editor.findAll();
          },
          bindKey: {
              win: "Ctrl-Alt-K",
              mac: "Ctrl-Alt-G"
          },
          scrollIntoView: "cursor",
          readOnly: true
      }];
      exports.multiSelectCommands = [{
          name: "singleSelection",
          description: "Single selection",
          bindKey: "esc",
          exec: function (editor) {
              editor.exitMultiSelectMode();
          },
          scrollIntoView: "cursor",
          readOnly: true,
          isAvailable: function (editor) {
              return editor && editor.inMultiSelectMode;
          }
      }];
  
      var HashHandler = require("../keyboard/hash_handler").HashHandler;
      exports.keyboardHandler = new HashHandler(exports.multiSelectCommands);
  
  });
  
  define("ace/multi_select", ["require", "exports", "module", "ace/range_list", "ace/range", "ace/selection", "ace/mouse/multi_select_handler", "ace/lib/event", "ace/lib/lang", "ace/commands/multi_select_commands", "ace/search", "ace/edit_session", "ace/editor", "ace/config"], function (require, exports, module) {
  
      var RangeList = require("./range_list").RangeList;
      var Range = require("./range").Range;
      var Selection = require("./selection").Selection;
      var onMouseDown = require("./mouse/multi_select_handler").onMouseDown;
      var event = require("./lib/event");
      var lang = require("./lib/lang");
      var commands = require("./commands/multi_select_commands");
      exports.commands = commands.defaultCommands.concat(commands.multiSelectCommands);
      var Search = require("./search").Search;
      var search = new Search();
  
      function find(session, needle, dir) {
          search.$options.wrap = true;
          search.$options.needle = needle;
          search.$options.backwards = dir == -1;
          return search.find(session);
      }
      var EditSession = require("./edit_session").EditSession;
      (function () {
          this.getSelectionMarkers = function () {
              return this.$selectionMarkers;
          };
      }).call(EditSession.prototype);
      (function () {
          this.ranges = null;
          this.rangeList = null;
          this.addRange = function (range, $blockChangeEvents) {
              if (!range)
                  return;
  
              if (!this.inMultiSelectMode && this.rangeCount === 0) {
                  var oldRange = this.toOrientedRange();
                  this.rangeList.add(oldRange);
                  this.rangeList.add(range);
                  if (this.rangeList.ranges.length != 2) {
                      this.rangeList.removeAll();
                      return $blockChangeEvents || this.fromOrientedRange(range);
                  }
                  this.rangeList.removeAll();
                  this.rangeList.add(oldRange);
                  this.$onAddRange(oldRange);
              }
  
              if (!range.cursor)
                  range.cursor = range.end;
  
              var removed = this.rangeList.add(range);
  
              this.$onAddRange(range);
  
              if (removed.length)
                  this.$onRemoveRange(removed);
  
              if (this.rangeCount > 1 && !this.inMultiSelectMode) {
                  this._signal("multiSelect");
                  this.inMultiSelectMode = true;
                  this.session.$undoSelect = false;
                  this.rangeList.attach(this.session);
              }
  
              return $blockChangeEvents || this.fromOrientedRange(range);
          };
          this.toSingleRange = function (range) {
              range = range || this.ranges[0];
              var removed = this.rangeList.removeAll();
              if (removed.length)
                  this.$onRemoveRange(removed);
  
              range && this.fromOrientedRange(range);
          };
          this.substractPoint = function (pos) {
              var removed = this.rangeList.substractPoint(pos);
              if (removed) {
                  this.$onRemoveRange(removed);
                  return removed[0];
              }
          };
          this.mergeOverlappingRanges = function () {
              var removed = this.rangeList.merge();
              if (removed.length)
                  this.$onRemoveRange(removed);
          };
  
          this.$onAddRange = function (range) {
              this.rangeCount = this.rangeList.ranges.length;
              this.ranges.unshift(range);
              this._signal("addRange", {
                  range: range
              });
          };
  
          this.$onRemoveRange = function (removed) {
              this.rangeCount = this.rangeList.ranges.length;
              if (this.rangeCount == 1 && this.inMultiSelectMode) {
                  var lastRange = this.rangeList.ranges.pop();
                  removed.push(lastRange);
                  this.rangeCount = 0;
              }
  
              for (var i = removed.length; i--;) {
                  var index = this.ranges.indexOf(removed[i]);
                  this.ranges.splice(index, 1);
              }
  
              this._signal("removeRange", {
                  ranges: removed
              });
  
              if (this.rangeCount === 0 && this.inMultiSelectMode) {
                  this.inMultiSelectMode = false;
                  this._signal("singleSelect");
                  this.session.$undoSelect = true;
                  this.rangeList.detach(this.session);
              }
  
              lastRange = lastRange || this.ranges[0];
              if (lastRange && !lastRange.isEqual(this.getRange()))
                  this.fromOrientedRange(lastRange);
          };
          this.$initRangeList = function () {
              if (this.rangeList)
                  return;
  
              this.rangeList = new RangeList();
              this.ranges = [];
              this.rangeCount = 0;
          };
          this.getAllRanges = function () {
              return this.rangeCount ? this.rangeList.ranges.concat() : [this.getRange()];
          };
          this.splitIntoLines = function () {
              var ranges = this.ranges.length ? this.ranges : [this.getRange()];
              var newRanges = [];
              for (var i = 0; i < ranges.length; i++) {
                  var range = ranges[i];
                  var row = range.start.row;
                  var endRow = range.end.row;
                  if (row === endRow) {
                      newRanges.push(range.clone());
                  } else {
                      newRanges.push(new Range(row, range.start.column, row, this.session.getLine(row).length));
                      while (++row < endRow)
                          newRanges.push(this.getLineRange(row, true));
                      newRanges.push(new Range(endRow, 0, endRow, range.end.column));
                  }
                  if (i == 0 && !this.isBackwards())
                      newRanges = newRanges.reverse();
              }
              this.toSingleRange();
              for (var i = newRanges.length; i--;)
                  this.addRange(newRanges[i]);
          };
  
          this.joinSelections = function () {
              var ranges = this.rangeList.ranges;
              var lastRange = ranges[ranges.length - 1];
              var range = Range.fromPoints(ranges[0].start, lastRange.end);
  
              this.toSingleRange();
              this.setSelectionRange(range, lastRange.cursor == lastRange.start);
          };
          this.toggleBlockSelection = function () {
              if (this.rangeCount > 1) {
                  var ranges = this.rangeList.ranges;
                  var lastRange = ranges[ranges.length - 1];
                  var range = Range.fromPoints(ranges[0].start, lastRange.end);
  
                  this.toSingleRange();
                  this.setSelectionRange(range, lastRange.cursor == lastRange.start);
              } else {
                  var cursor = this.session.documentToScreenPosition(this.cursor);
                  var anchor = this.session.documentToScreenPosition(this.anchor);
  
                  var rectSel = this.rectangularRangeBlock(cursor, anchor);
                  rectSel.forEach(this.addRange, this);
              }
          };
          this.rectangularRangeBlock = function (screenCursor, screenAnchor, includeEmptyLines) {
              var rectSel = [];
  
              var xBackwards = screenCursor.column < screenAnchor.column;
              if (xBackwards) {
                  var startColumn = screenCursor.column;
                  var endColumn = screenAnchor.column;
                  var startOffsetX = screenCursor.offsetX;
                  var endOffsetX = screenAnchor.offsetX;
              } else {
                  var startColumn = screenAnchor.column;
                  var endColumn = screenCursor.column;
                  var startOffsetX = screenAnchor.offsetX;
                  var endOffsetX = screenCursor.offsetX;
              }
  
              var yBackwards = screenCursor.row < screenAnchor.row;
              if (yBackwards) {
                  var startRow = screenCursor.row;
                  var endRow = screenAnchor.row;
              } else {
                  var startRow = screenAnchor.row;
                  var endRow = screenCursor.row;
              }
  
              if (startColumn < 0)
                  startColumn = 0;
              if (startRow < 0)
                  startRow = 0;
  
              if (startRow == endRow)
                  includeEmptyLines = true;
  
              var docEnd;
              for (var row = startRow; row <= endRow; row++) {
                  var range = Range.fromPoints(
                      this.session.screenToDocumentPosition(row, startColumn, startOffsetX),
                      this.session.screenToDocumentPosition(row, endColumn, endOffsetX)
                  );
                  if (range.isEmpty()) {
                      if (docEnd && isSamePoint(range.end, docEnd))
                          break;
                      docEnd = range.end;
                  }
                  range.cursor = xBackwards ? range.start : range.end;
                  rectSel.push(range);
              }
  
              if (yBackwards)
                  rectSel.reverse();
  
              if (!includeEmptyLines) {
                  var end = rectSel.length - 1;
                  while (rectSel[end].isEmpty() && end > 0)
                      end--;
                  if (end > 0) {
                      var start = 0;
                      while (rectSel[start].isEmpty())
                          start++;
                  }
                  for (var i = end; i >= start; i--) {
                      if (rectSel[i].isEmpty())
                          rectSel.splice(i, 1);
                  }
              }
  
              return rectSel;
          };
      }).call(Selection.prototype);
      var Editor = require("./editor").Editor;
      (function () {
          this.updateSelectionMarkers = function () {
              this.renderer.updateCursor();
              this.renderer.updateBackMarkers();
          };
          this.addSelectionMarker = function (orientedRange) {
              if (!orientedRange.cursor)
                  orientedRange.cursor = orientedRange.end;
  
              var style = this.getSelectionStyle();
              orientedRange.marker = this.session.addMarker(orientedRange, "ace_selection", style);
  
              this.session.$selectionMarkers.push(orientedRange);
              this.session.selectionMarkerCount = this.session.$selectionMarkers.length;
              return orientedRange;
          };
          this.removeSelectionMarker = function (range) {
              if (!range.marker)
                  return;
              this.session.removeMarker(range.marker);
              var index = this.session.$selectionMarkers.indexOf(range);
              if (index != -1)
                  this.session.$selectionMarkers.splice(index, 1);
              this.session.selectionMarkerCount = this.session.$selectionMarkers.length;
          };
  
          this.removeSelectionMarkers = function (ranges) {
              var markerList = this.session.$selectionMarkers;
              for (var i = ranges.length; i--;) {
                  var range = ranges[i];
                  if (!range.marker)
                      continue;
                  this.session.removeMarker(range.marker);
                  var index = markerList.indexOf(range);
                  if (index != -1)
                      markerList.splice(index, 1);
              }
              this.session.selectionMarkerCount = markerList.length;
          };
  
          this.$onAddRange = function (e) {
              this.addSelectionMarker(e.range);
              this.renderer.updateCursor();
              this.renderer.updateBackMarkers();
          };
  
          this.$onRemoveRange = function (e) {
              this.removeSelectionMarkers(e.ranges);
              this.renderer.updateCursor();
              this.renderer.updateBackMarkers();
          };
  
          this.$onMultiSelect = function (e) {
              if (this.inMultiSelectMode)
                  return;
              this.inMultiSelectMode = true;
  
              this.setStyle("ace_multiselect");
              this.keyBinding.addKeyboardHandler(commands.keyboardHandler);
              this.commands.setDefaultHandler("exec", this.$onMultiSelectExec);
  
              this.renderer.updateCursor();
              this.renderer.updateBackMarkers();
          };
  
          this.$onSingleSelect = function (e) {
              if (this.session.multiSelect.inVirtualMode)
                  return;
              this.inMultiSelectMode = false;
  
              this.unsetStyle("ace_multiselect");
              this.keyBinding.removeKeyboardHandler(commands.keyboardHandler);
  
              this.commands.removeDefaultHandler("exec", this.$onMultiSelectExec);
              this.renderer.updateCursor();
              this.renderer.updateBackMarkers();
              this._emit("changeSelection");
          };
  
          this.$onMultiSelectExec = function (e) {
              var command = e.command;
              var editor = e.editor;
              if (!editor.multiSelect)
                  return;
              if (!command.multiSelectAction) {
                  var result = command.exec(editor, e.args || {});
                  editor.multiSelect.addRange(editor.multiSelect.toOrientedRange());
                  editor.multiSelect.mergeOverlappingRanges();
              } else if (command.multiSelectAction == "forEach") {
                  result = editor.forEachSelection(command, e.args);
              } else if (command.multiSelectAction == "forEachLine") {
                  result = editor.forEachSelection(command, e.args, true);
              } else if (command.multiSelectAction == "single") {
                  editor.exitMultiSelectMode();
                  result = command.exec(editor, e.args || {});
              } else {
                  result = command.multiSelectAction(editor, e.args || {});
              }
              return result;
          };
          this.forEachSelection = function (cmd, args, options) {
              if (this.inVirtualSelectionMode)
                  return;
              var keepOrder = options && options.keepOrder;
              var $byLines = options == true || options && options.$byLines;
              var session = this.session;
              var selection = this.selection;
              var rangeList = selection.rangeList;
              var ranges = (keepOrder ? selection : rangeList).ranges;
              var result;
  
              if (!ranges.length)
                  return cmd.exec ? cmd.exec(this, args || {}) : cmd(this, args || {});
  
              var reg = selection._eventRegistry;
              selection._eventRegistry = {};
  
              var tmpSel = new Selection(session);
              this.inVirtualSelectionMode = true;
              for (var i = ranges.length; i--;) {
                  if ($byLines) {
                      while (i > 0 && ranges[i].start.row == ranges[i - 1].end.row)
                          i--;
                  }
                  tmpSel.fromOrientedRange(ranges[i]);
                  tmpSel.index = i;
                  this.selection = session.selection = tmpSel;
                  var cmdResult = cmd.exec ? cmd.exec(this, args || {}) : cmd(this, args || {});
                  if (!result && cmdResult !== undefined)
                      result = cmdResult;
                  tmpSel.toOrientedRange(ranges[i]);
              }
              tmpSel.detach();
  
              this.selection = session.selection = selection;
              this.inVirtualSelectionMode = false;
              selection._eventRegistry = reg;
              selection.mergeOverlappingRanges();
              if (selection.ranges[0])
                  selection.fromOrientedRange(selection.ranges[0]);
  
              var anim = this.renderer.$scrollAnimation;
              this.onCursorChange();
              this.onSelectionChange();
              if (anim && anim.from == anim.to)
                  this.renderer.animateScrolling(anim.from);
  
              return result;
          };
          this.exitMultiSelectMode = function () {
              if (!this.inMultiSelectMode || this.inVirtualSelectionMode)
                  return;
              this.multiSelect.toSingleRange();
          };
  
          this.getSelectedText = function () {
              var text = "";
              if (this.inMultiSelectMode && !this.inVirtualSelectionMode) {
                  var ranges = this.multiSelect.rangeList.ranges;
                  var buf = [];
                  for (var i = 0; i < ranges.length; i++) {
                      buf.push(this.session.getTextRange(ranges[i]));
                  }
                  var nl = this.session.getDocument().getNewLineCharacter();
                  text = buf.join(nl);
                  if (text.length == (buf.length - 1) * nl.length)
                      text = "";
              } else if (!this.selection.isEmpty()) {
                  text = this.session.getTextRange(this.getSelectionRange());
              }
              return text;
          };
  
          this.$checkMultiselectChange = function (e, anchor) {
              if (this.inMultiSelectMode && !this.inVirtualSelectionMode) {
                  var range = this.multiSelect.ranges[0];
                  if (this.multiSelect.isEmpty() && anchor == this.multiSelect.anchor)
                      return;
                  var pos = anchor == this.multiSelect.anchor ?
                      range.cursor == range.start ? range.end : range.start :
                      range.cursor;
                  if (pos.row != anchor.row ||
                      this.session.$clipPositionToDocument(pos.row, pos.column).column != anchor.column)
                      this.multiSelect.toSingleRange(this.multiSelect.toOrientedRange());
                  else
                      this.multiSelect.mergeOverlappingRanges();
              }
          };
          this.findAll = function (needle, options, additive) {
              options = options || {};
              options.needle = needle || options.needle;
              if (options.needle == undefined) {
                  var range = this.selection.isEmpty() ?
                      this.selection.getWordRange() :
                      this.selection.getRange();
                  options.needle = this.session.getTextRange(range);
              }
              this.$search.set(options);
  
              var ranges = this.$search.findAll(this.session);
              if (!ranges.length)
                  return 0;
  
              var selection = this.multiSelect;
  
              if (!additive)
                  selection.toSingleRange(ranges[0]);
  
              for (var i = ranges.length; i--;)
                  selection.addRange(ranges[i], true);
              if (range && selection.rangeList.rangeAtPoint(range.start))
                  selection.addRange(range, true);
  
              return ranges.length;
          };
          this.selectMoreLines = function (dir, skip) {
              var range = this.selection.toOrientedRange();
              var isBackwards = range.cursor == range.end;
  
              var screenLead = this.session.documentToScreenPosition(range.cursor);
              if (this.selection.$desiredColumn)
                  screenLead.column = this.selection.$desiredColumn;
  
              var lead = this.session.screenToDocumentPosition(screenLead.row + dir, screenLead.column);
  
              if (!range.isEmpty()) {
                  var screenAnchor = this.session.documentToScreenPosition(isBackwards ? range.end : range.start);
                  var anchor = this.session.screenToDocumentPosition(screenAnchor.row + dir, screenAnchor.column);
              } else {
                  var anchor = lead;
              }
  
              if (isBackwards) {
                  var newRange = Range.fromPoints(lead, anchor);
                  newRange.cursor = newRange.start;
              } else {
                  var newRange = Range.fromPoints(anchor, lead);
                  newRange.cursor = newRange.end;
              }
  
              newRange.desiredColumn = screenLead.column;
              if (!this.selection.inMultiSelectMode) {
                  this.selection.addRange(range);
              } else {
                  if (skip)
                      var toRemove = range.cursor;
              }
  
              this.selection.addRange(newRange);
              if (toRemove)
                  this.selection.substractPoint(toRemove);
          };
          this.transposeSelections = function (dir) {
              var session = this.session;
              var sel = session.multiSelect;
              var all = sel.ranges;
  
              for (var i = all.length; i--;) {
                  var range = all[i];
                  if (range.isEmpty()) {
                      var tmp = session.getWordRange(range.start.row, range.start.column);
                      range.start.row = tmp.start.row;
                      range.start.column = tmp.start.column;
                      range.end.row = tmp.end.row;
                      range.end.column = tmp.end.column;
                  }
              }
              sel.mergeOverlappingRanges();
  
              var words = [];
              for (var i = all.length; i--;) {
                  var range = all[i];
                  words.unshift(session.getTextRange(range));
              }
  
              if (dir < 0)
                  words.unshift(words.pop());
              else
                  words.push(words.shift());
  
              for (var i = all.length; i--;) {
                  var range = all[i];
                  var tmp = range.clone();
                  session.replace(range, words[i]);
                  range.start.row = tmp.start.row;
                  range.start.column = tmp.start.column;
              }
              sel.fromOrientedRange(sel.ranges[0]);
          };
          this.selectMore = function (dir, skip, stopAtFirst) {
              var session = this.session;
              var sel = session.multiSelect;
  
              var range = sel.toOrientedRange();
              if (range.isEmpty()) {
                  range = session.getWordRange(range.start.row, range.start.column);
                  range.cursor = dir == -1 ? range.start : range.end;
                  this.multiSelect.addRange(range);
                  if (stopAtFirst)
                      return;
              }
              var needle = session.getTextRange(range);
  
              var newRange = find(session, needle, dir);
              if (newRange) {
                  newRange.cursor = dir == -1 ? newRange.start : newRange.end;
                  this.session.unfold(newRange);
                  this.multiSelect.addRange(newRange);
                  this.renderer.scrollCursorIntoView(null, 0.5);
              }
              if (skip)
                  this.multiSelect.substractPoint(range.cursor);
          };
          this.alignCursors = function () {
              var session = this.session;
              var sel = session.multiSelect;
              var ranges = sel.ranges;
              var row = -1;
              var sameRowRanges = ranges.filter(function (r) {
                  if (r.cursor.row == row)
                      return true;
                  row = r.cursor.row;
              });
  
              if (!ranges.length || sameRowRanges.length == ranges.length - 1) {
                  var range = this.selection.getRange();
                  var fr = range.start.row,
                      lr = range.end.row;
                  var guessRange = fr == lr;
                  if (guessRange) {
                      var max = this.session.getLength();
                      var line;
                      do {
                          line = this.session.getLine(lr);
                      } while (/[=:]/.test(line) && ++lr < max);
                      do {
                          line = this.session.getLine(fr);
                      } while (/[=:]/.test(line) && --fr > 0);
  
                      if (fr < 0) fr = 0;
                      if (lr >= max) lr = max - 1;
                  }
                  var lines = this.session.removeFullLines(fr, lr);
                  lines = this.$reAlignText(lines, guessRange);
                  this.session.insert({
                      row: fr,
                      column: 0
                  }, lines.join("\n") + "\n");
                  if (!guessRange) {
                      range.start.column = 0;
                      range.end.column = lines[lines.length - 1].length;
                  }
                  this.selection.setRange(range);
              } else {
                  sameRowRanges.forEach(function (r) {
                      sel.substractPoint(r.cursor);
                  });
  
                  var maxCol = 0;
                  var minSpace = Infinity;
                  var spaceOffsets = ranges.map(function (r) {
                      var p = r.cursor;
                      var line = session.getLine(p.row);
                      var spaceOffset = line.substr(p.column).search(/\S/g);
                      if (spaceOffset == -1)
                          spaceOffset = 0;
  
                      if (p.column > maxCol)
                          maxCol = p.column;
                      if (spaceOffset < minSpace)
                          minSpace = spaceOffset;
                      return spaceOffset;
                  });
                  ranges.forEach(function (r, i) {
                      var p = r.cursor;
                      var l = maxCol - p.column;
                      var d = spaceOffsets[i] - minSpace;
                      if (l > d)
                          session.insert(p, lang.stringRepeat(" ", l - d));
                      else
                          session.remove(new Range(p.row, p.column, p.row, p.column - l + d));
  
                      r.start.column = r.end.column = maxCol;
                      r.start.row = r.end.row = p.row;
                      r.cursor = r.end;
                  });
                  sel.fromOrientedRange(ranges[0]);
                  this.renderer.updateCursor();
                  this.renderer.updateBackMarkers();
              }
          };
  
          this.$reAlignText = function (lines, forceLeft) {
              var isLeftAligned = true,
                  isRightAligned = true;
              var startW, textW, endW;
  
              return lines.map(function (line) {
                  var m = line.match(/(\s*)(.*?)(\s*)([=:].*)/);
                  if (!m)
                      return [line];
  
                  if (startW == null) {
                      startW = m[1].length;
                      textW = m[2].length;
                      endW = m[3].length;
                      return m;
                  }
  
                  if (startW + textW + endW != m[1].length + m[2].length + m[3].length)
                      isRightAligned = false;
                  if (startW != m[1].length)
                      isLeftAligned = false;
  
                  if (startW > m[1].length)
                      startW = m[1].length;
                  if (textW < m[2].length)
                      textW = m[2].length;
                  if (endW > m[3].length)
                      endW = m[3].length;
  
                  return m;
              }).map(forceLeft ? alignLeft :
                  isLeftAligned ? isRightAligned ? alignRight : alignLeft : unAlign);
  
              function spaces(n) {
                  return lang.stringRepeat(" ", n);
              }
  
              function alignLeft(m) {
                  return !m[2] ? m[0] : spaces(startW) + m[2] +
                      spaces(textW - m[2].length + endW) +
                      m[4].replace(/^([=:])\s+/, "$1 ");
              }
  
              function alignRight(m) {
                  return !m[2] ? m[0] : spaces(startW + textW - m[2].length) + m[2] +
                      spaces(endW) +
                      m[4].replace(/^([=:])\s+/, "$1 ");
              }
  
              function unAlign(m) {
                  return !m[2] ? m[0] : spaces(startW) + m[2] +
                      spaces(endW) +
                      m[4].replace(/^([=:])\s+/, "$1 ");
              }
          };
      }).call(Editor.prototype);
  
  
      function isSamePoint(p1, p2) {
          return p1.row == p2.row && p1.column == p2.column;
      }
      exports.onSessionChange = function (e) {
          var session = e.session;
          if (session && !session.multiSelect) {
              session.$selectionMarkers = [];
              session.selection.$initRangeList();
              session.multiSelect = session.selection;
          }
          this.multiSelect = session && session.multiSelect;
  
          var oldSession = e.oldSession;
          if (oldSession) {
              oldSession.multiSelect.off("addRange", this.$onAddRange);
              oldSession.multiSelect.off("removeRange", this.$onRemoveRange);
              oldSession.multiSelect.off("multiSelect", this.$onMultiSelect);
              oldSession.multiSelect.off("singleSelect", this.$onSingleSelect);
              oldSession.multiSelect.lead.off("change", this.$checkMultiselectChange);
              oldSession.multiSelect.anchor.off("change", this.$checkMultiselectChange);
          }
  
          if (session) {
              session.multiSelect.on("addRange", this.$onAddRange);
              session.multiSelect.on("removeRange", this.$onRemoveRange);
              session.multiSelect.on("multiSelect", this.$onMultiSelect);
              session.multiSelect.on("singleSelect", this.$onSingleSelect);
              session.multiSelect.lead.on("change", this.$checkMultiselectChange);
              session.multiSelect.anchor.on("change", this.$checkMultiselectChange);
          }
  
          if (session && this.inMultiSelectMode != session.selection.inMultiSelectMode) {
              if (session.selection.inMultiSelectMode)
                  this.$onMultiSelect();
              else
                  this.$onSingleSelect();
          }
      };
  
      function MultiSelect(editor) {
          if (editor.$multiselectOnSessionChange)
              return;
          editor.$onAddRange = editor.$onAddRange.bind(editor);
          editor.$onRemoveRange = editor.$onRemoveRange.bind(editor);
          editor.$onMultiSelect = editor.$onMultiSelect.bind(editor);
          editor.$onSingleSelect = editor.$onSingleSelect.bind(editor);
          editor.$multiselectOnSessionChange = exports.onSessionChange.bind(editor);
          editor.$checkMultiselectChange = editor.$checkMultiselectChange.bind(editor);
  
          editor.$multiselectOnSessionChange(editor);
          editor.on("changeSession", editor.$multiselectOnSessionChange);
  
          editor.on("mousedown", onMouseDown);
          editor.commands.addCommands(commands.defaultCommands);
  
          addAltCursorListeners(editor);
      }
  
      function addAltCursorListeners(editor) {
          if (!editor.textInput) return;
          var el = editor.textInput.getElement();
          var altCursor = false;
          event.addListener(el, "keydown", function (e) {
              var altDown = e.keyCode == 18 && !(e.ctrlKey || e.shiftKey || e.metaKey);
              if (editor.$blockSelectEnabled && altDown) {
                  if (!altCursor) {
                      editor.renderer.setMouseCursor("crosshair");
                      altCursor = true;
                  }
              } else if (altCursor) {
                  reset();
              }
          }, editor);
  
          event.addListener(el, "keyup", reset, editor);
          event.addListener(el, "blur", reset, editor);
  
          function reset(e) {
              if (altCursor) {
                  editor.renderer.setMouseCursor("");
                  altCursor = false;
              }
          }
      }
  
      exports.MultiSelect = MultiSelect;
  
  
      require("./config").defineOptions(Editor.prototype, "editor", {
          enableMultiselect: {
              set: function (val) {
                  MultiSelect(this);
                  if (val) {
                      this.on("changeSession", this.$multiselectOnSessionChange);
                      this.on("mousedown", onMouseDown);
                  } else {
                      this.off("changeSession", this.$multiselectOnSessionChange);
                      this.off("mousedown", onMouseDown);
                  }
              },
              value: true
          },
          enableBlockSelect: {
              set: function (val) {
                  this.$blockSelectEnabled = val;
              },
              value: true
          }
      });
  
  
  
  });
  
  define("ace/mode/folding/fold_mode", ["require", "exports", "module", "ace/range"], function (require, exports, module) {
      "use strict";
  
      var Range = require("../../range").Range;
  
      var FoldMode = exports.FoldMode = function () {};
  
      (function () {
  
          this.foldingStartMarker = null;
          this.foldingStopMarker = null;
          this.getFoldWidget = function (session, foldStyle, row) {
              var line = session.getLine(row);
              if (this.foldingStartMarker.test(line))
                  return "start";
              if (foldStyle == "markbeginend" &&
                  this.foldingStopMarker &&
                  this.foldingStopMarker.test(line))
                  return "end";
              return "";
          };
  
          this.getFoldWidgetRange = function (session, foldStyle, row) {
              return null;
          };
  
          this.indentationBlock = function (session, row, column) {
              var re = /\S/;
              var line = session.getLine(row);
              var startLevel = line.search(re);
              if (startLevel == -1)
                  return;
  
              var startColumn = column || line.length;
              var maxRow = session.getLength();
              var startRow = row;
              var endRow = row;
  
              while (++row < maxRow) {
                  var level = session.getLine(row).search(re);
  
                  if (level == -1)
                      continue;
  
                  if (level <= startLevel) {
                      var token = session.getTokenAt(row, 0);
                      if (!token || token.type !== "string")
                          break;
                  }
  
                  endRow = row;
              }
  
              if (endRow > startRow) {
                  var endColumn = session.getLine(endRow).length;
                  return new Range(startRow, startColumn, endRow, endColumn);
              }
          };
  
          this.openingBracketBlock = function (session, bracket, row, column, typeRe) {
              var start = {
                  row: row,
                  column: column + 1
              };
              var end = session.$findClosingBracket(bracket, start, typeRe);
              if (!end)
                  return;
  
              var fw = session.foldWidgets[end.row];
              if (fw == null)
                  fw = session.getFoldWidget(end.row);
  
              if (fw == "start" && end.row > start.row) {
                  end.row--;
                  end.column = session.getLine(end.row).length;
              }
              return Range.fromPoints(start, end);
          };
  
          this.closingBracketBlock = function (session, bracket, row, column, typeRe) {
              var end = {
                  row: row,
                  column: column
              };
              var start = session.$findOpeningBracket(bracket, end);
  
              if (!start)
                  return;
  
              start.column++;
              end.column--;
  
              return Range.fromPoints(start, end);
          };
      }).call(FoldMode.prototype);
  
  });
  
  define("ace/theme/textmate", ["require", "exports", "module", "ace/lib/dom"], function (require, exports, module) {
      "use strict";
  
      exports.isDark = false;
      exports.cssClass = "ace-tm";
      exports.cssText = ".ace-tm .ace_gutter {\
  background: #f0f0f0;\
  color: #333;\
  }\
  .ace-tm .ace_print-margin {\
  width: 1px;\
  background: #e8e8e8;\
  }\
  .ace-tm .ace_fold {\
  background-color: #6B72E6;\
  }\
  .ace-tm {\
  background-color: #FFFFFF;\
  color: black;\
  }\
  .ace-tm .ace_cursor {\
  color: black;\
  }\
  .ace-tm .ace_invisible {\
  color: rgb(191, 191, 191);\
  }\
  .ace-tm .ace_storage,\
  .ace-tm .ace_keyword {\
  color: blue;\
  }\
  .ace-tm .ace_constant {\
  color: rgb(197, 6, 11);\
  }\
  .ace-tm .ace_constant.ace_buildin {\
  color: rgb(88, 72, 246);\
  }\
  .ace-tm .ace_constant.ace_language {\
  color: rgb(88, 92, 246);\
  }\
  .ace-tm .ace_constant.ace_library {\
  color: rgb(6, 150, 14);\
  }\
  .ace-tm .ace_invalid {\
  background-color: rgba(255, 0, 0, 0.1);\
  color: red;\
  }\
  .ace-tm .ace_support.ace_function {\
  color: rgb(60, 76, 114);\
  }\
  .ace-tm .ace_support.ace_constant {\
  color: rgb(6, 150, 14);\
  }\
  .ace-tm .ace_support.ace_type,\
  .ace-tm .ace_support.ace_class {\
  color: rgb(109, 121, 222);\
  }\
  .ace-tm .ace_keyword.ace_operator {\
  color: rgb(104, 118, 135);\
  }\
  .ace-tm .ace_string {\
  color: rgb(3, 106, 7);\
  }\
  .ace-tm .ace_comment {\
  color: rgb(76, 136, 107);\
  }\
  .ace-tm .ace_comment.ace_doc {\
  color: rgb(0, 102, 255);\
  }\
  .ace-tm .ace_comment.ace_doc.ace_tag {\
  color: rgb(128, 159, 191);\
  }\
  .ace-tm .ace_constant.ace_numeric {\
  color: rgb(0, 0, 205);\
  }\
  .ace-tm .ace_variable {\
  color: rgb(49, 132, 149);\
  }\
  .ace-tm .ace_xml-pe {\
  color: rgb(104, 104, 91);\
  }\
  .ace-tm .ace_entity.ace_name.ace_function {\
  color: #0000A2;\
  }\
  .ace-tm .ace_heading {\
  color: rgb(12, 7, 255);\
  }\
  .ace-tm .ace_list {\
  color:rgb(185, 6, 144);\
  }\
  .ace-tm .ace_meta.ace_tag {\
  color:rgb(0, 22, 142);\
  }\
  .ace-tm .ace_string.ace_regex {\
  color: rgb(255, 0, 0)\
  }\
  .ace-tm .ace_marker-layer .ace_selection {\
  background: rgb(181, 213, 255);\
  }\
  .ace-tm.ace_multiselect .ace_selection.ace_start {\
  box-shadow: 0 0 3px 0px white;\
  }\
  .ace-tm .ace_marker-layer .ace_step {\
  background: rgb(252, 255, 0);\
  }\
  .ace-tm .ace_marker-layer .ace_stack {\
  background: rgb(164, 229, 101);\
  }\
  .ace-tm .ace_marker-layer .ace_bracket {\
  margin: -1px 0 0 -1px;\
  border: 1px solid rgb(192, 192, 192);\
  }\
  .ace-tm .ace_marker-layer .ace_active-line {\
  background: rgba(0, 0, 0, 0.07);\
  }\
  .ace-tm .ace_gutter-active-line {\
  background-color : #dcdcdc;\
  }\
  .ace-tm .ace_marker-layer .ace_selected-word {\
  background: rgb(250, 250, 255);\
  border: 1px solid rgb(200, 200, 250);\
  }\
  .ace-tm .ace_indent-guide {\
  background: url(\"data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAACCAYAAACZgbYnAAAAE0lEQVQImWP4////f4bLly//BwAmVgd1/w11/gAAAABJRU5ErkJggg==\") right repeat-y;\
  }\
  ";
      exports.$id = "ace/theme/textmate";
  
      var dom = require("../lib/dom");
      dom.importCssString(exports.cssText, exports.cssClass);
  });
  
  define("ace/line_widgets", ["require", "exports", "module", "ace/lib/dom"], function (require, exports, module) {
      "use strict";
  
      var dom = require("./lib/dom");
  
      function LineWidgets(session) {
          this.session = session;
          this.session.widgetManager = this;
          this.session.getRowLength = this.getRowLength;
          this.session.$getWidgetScreenLength = this.$getWidgetScreenLength;
          this.updateOnChange = this.updateOnChange.bind(this);
          this.renderWidgets = this.renderWidgets.bind(this);
          this.measureWidgets = this.measureWidgets.bind(this);
          this.session._changedWidgets = [];
          this.$onChangeEditor = this.$onChangeEditor.bind(this);
  
          this.session.on("change", this.updateOnChange);
          this.session.on("changeFold", this.updateOnFold);
          this.session.on("changeEditor", this.$onChangeEditor);
      }
  
      (function () {
          this.getRowLength = function (row) {
              var h;
              if (this.lineWidgets)
                  h = this.lineWidgets[row] && this.lineWidgets[row].rowCount || 0;
              else
                  h = 0;
              if (!this.$useWrapMode || !this.$wrapData[row]) {
                  return 1 + h;
              } else {
                  return this.$wrapData[row].length + 1 + h;
              }
          };
  
          this.$getWidgetScreenLength = function () {
              var screenRows = 0;
              this.lineWidgets.forEach(function (w) {
                  if (w && w.rowCount && !w.hidden)
                      screenRows += w.rowCount;
              });
              return screenRows;
          };
  
          this.$onChangeEditor = function (e) {
              this.attach(e.editor);
          };
  
          this.attach = function (editor) {
              if (editor && editor.widgetManager && editor.widgetManager != this)
                  editor.widgetManager.detach();
  
              if (this.editor == editor)
                  return;
  
              this.detach();
              this.editor = editor;
  
              if (editor) {
                  editor.widgetManager = this;
                  editor.renderer.on("beforeRender", this.measureWidgets);
                  editor.renderer.on("afterRender", this.renderWidgets);
              }
          };
          this.detach = function (e) {
              var editor = this.editor;
              if (!editor)
                  return;
  
              this.editor = null;
              editor.widgetManager = null;
  
              editor.renderer.off("beforeRender", this.measureWidgets);
              editor.renderer.off("afterRender", this.renderWidgets);
              var lineWidgets = this.session.lineWidgets;
              lineWidgets && lineWidgets.forEach(function (w) {
                  if (w && w.el && w.el.parentNode) {
                      w._inDocument = false;
                      w.el.parentNode.removeChild(w.el);
                  }
              });
          };
  
          this.updateOnFold = function (e, session) {
              var lineWidgets = session.lineWidgets;
              if (!lineWidgets || !e.action)
                  return;
              var fold = e.data;
              var start = fold.start.row;
              var end = fold.end.row;
              var hide = e.action == "add";
              for (var i = start + 1; i < end; i++) {
                  if (lineWidgets[i])
                      lineWidgets[i].hidden = hide;
              }
              if (lineWidgets[end]) {
                  if (hide) {
                      if (!lineWidgets[start])
                          lineWidgets[start] = lineWidgets[end];
                      else
                          lineWidgets[end].hidden = hide;
                  } else {
                      if (lineWidgets[start] == lineWidgets[end])
                          lineWidgets[start] = undefined;
                      lineWidgets[end].hidden = hide;
                  }
              }
          };
  
          this.updateOnChange = function (delta) {
              var lineWidgets = this.session.lineWidgets;
              if (!lineWidgets) return;
  
              var startRow = delta.start.row;
              var len = delta.end.row - startRow;
  
              if (len === 0) {} else if (delta.action == "remove") {
                  var removed = lineWidgets.splice(startRow + 1, len);
                  if (!lineWidgets[startRow] && removed[removed.length - 1]) {
                      lineWidgets[startRow] = removed.pop();
                  }
                  removed.forEach(function (w) {
                      w && this.removeLineWidget(w);
                  }, this);
                  this.$updateRows();
              } else {
                  var args = new Array(len);
                  if (lineWidgets[startRow] && lineWidgets[startRow].column != null) {
                      if (delta.start.column > lineWidgets[startRow].column)
                          startRow++;
                  }
                  args.unshift(startRow, 0);
                  lineWidgets.splice.apply(lineWidgets, args);
                  this.$updateRows();
              }
          };
  
          this.$updateRows = function () {
              var lineWidgets = this.session.lineWidgets;
              if (!lineWidgets) return;
              var noWidgets = true;
              lineWidgets.forEach(function (w, i) {
                  if (w) {
                      noWidgets = false;
                      w.row = i;
                      while (w.$oldWidget) {
                          w.$oldWidget.row = i;
                          w = w.$oldWidget;
                      }
                  }
              });
              if (noWidgets)
                  this.session.lineWidgets = null;
          };
  
          this.$registerLineWidget = function (w) {
              if (!this.session.lineWidgets)
                  this.session.lineWidgets = new Array(this.session.getLength());
  
              var old = this.session.lineWidgets[w.row];
              if (old) {
                  w.$oldWidget = old;
                  if (old.el && old.el.parentNode) {
                      old.el.parentNode.removeChild(old.el);
                      old._inDocument = false;
                  }
              }
  
              this.session.lineWidgets[w.row] = w;
              return w;
          };
  
          this.addLineWidget = function (w) {
              this.$registerLineWidget(w);
              w.session = this.session;
  
              if (!this.editor) return w;
  
              var renderer = this.editor.renderer;
              if (w.html && !w.el) {
                  w.el = dom.createElement("div");
                  w.el.innerHTML = w.html;
              }
              if (w.el) {
                  dom.addCssClass(w.el, "ace_lineWidgetContainer");
                  w.el.style.position = "absolute";
                  w.el.style.zIndex = 5;
                  renderer.container.appendChild(w.el);
                  w._inDocument = true;
  
                  if (!w.coverGutter) {
                      w.el.style.zIndex = 3;
                  }
                  if (w.pixelHeight == null) {
                      w.pixelHeight = w.el.offsetHeight;
                  }
              }
              if (w.rowCount == null) {
                  w.rowCount = w.pixelHeight / renderer.layerConfig.lineHeight;
              }
  
              var fold = this.session.getFoldAt(w.row, 0);
              w.$fold = fold;
              if (fold) {
                  var lineWidgets = this.session.lineWidgets;
                  if (w.row == fold.end.row && !lineWidgets[fold.start.row])
                      lineWidgets[fold.start.row] = w;
                  else
                      w.hidden = true;
              }
  
              this.session._emit("changeFold", {
                  data: {
                      start: {
                          row: w.row
                      }
                  }
              });
  
              this.$updateRows();
              this.renderWidgets(null, renderer);
              this.onWidgetChanged(w);
              return w;
          };
  
          this.removeLineWidget = function (w) {
              w._inDocument = false;
              w.session = null;
              if (w.el && w.el.parentNode)
                  w.el.parentNode.removeChild(w.el);
              if (w.editor && w.editor.destroy) try {
                  w.editor.destroy();
              } catch (e) {}
              if (this.session.lineWidgets) {
                  var w1 = this.session.lineWidgets[w.row];
                  if (w1 == w) {
                      this.session.lineWidgets[w.row] = w.$oldWidget;
                      if (w.$oldWidget)
                          this.onWidgetChanged(w.$oldWidget);
                  } else {
                      while (w1) {
                          if (w1.$oldWidget == w) {
                              w1.$oldWidget = w.$oldWidget;
                              break;
                          }
                          w1 = w1.$oldWidget;
                      }
                  }
              }
              this.session._emit("changeFold", {
                  data: {
                      start: {
                          row: w.row
                      }
                  }
              });
              this.$updateRows();
          };
  
          this.getWidgetsAtRow = function (row) {
              var lineWidgets = this.session.lineWidgets;
              var w = lineWidgets && lineWidgets[row];
              var list = [];
              while (w) {
                  list.push(w);
                  w = w.$oldWidget;
              }
              return list;
          };
  
          this.onWidgetChanged = function (w) {
              this.session._changedWidgets.push(w);
              this.editor && this.editor.renderer.updateFull();
          };
  
          this.measureWidgets = function (e, renderer) {
              var changedWidgets = this.session._changedWidgets;
              var config = renderer.layerConfig;
  
              if (!changedWidgets || !changedWidgets.length) return;
              var min = Infinity;
              for (var i = 0; i < changedWidgets.length; i++) {
                  var w = changedWidgets[i];
                  if (!w || !w.el) continue;
                  if (w.session != this.session) continue;
                  if (!w._inDocument) {
                      if (this.session.lineWidgets[w.row] != w)
                          continue;
                      w._inDocument = true;
                      renderer.container.appendChild(w.el);
                  }
  
                  w.h = w.el.offsetHeight;
  
                  if (!w.fixedWidth) {
                      w.w = w.el.offsetWidth;
                      w.screenWidth = Math.ceil(w.w / config.characterWidth);
                  }
  
                  var rowCount = w.h / config.lineHeight;
                  if (w.coverLine) {
                      rowCount -= this.session.getRowLineCount(w.row);
                      if (rowCount < 0)
                          rowCount = 0;
                  }
                  if (w.rowCount != rowCount) {
                      w.rowCount = rowCount;
                      if (w.row < min)
                          min = w.row;
                  }
              }
              if (min != Infinity) {
                  this.session._emit("changeFold", {
                      data: {
                          start: {
                              row: min
                          }
                      }
                  });
                  this.session.lineWidgetWidth = null;
              }
              this.session._changedWidgets = [];
          };
  
          this.renderWidgets = function (e, renderer) {
              var config = renderer.layerConfig;
              var lineWidgets = this.session.lineWidgets;
              if (!lineWidgets)
                  return;
              var first = Math.min(this.firstRow, config.firstRow);
              var last = Math.max(this.lastRow, config.lastRow, lineWidgets.length);
  
              while (first > 0 && !lineWidgets[first])
                  first--;
  
              this.firstRow = config.firstRow;
              this.lastRow = config.lastRow;
  
              renderer.$cursorLayer.config = config;
              for (var i = first; i <= last; i++) {
                  var w = lineWidgets[i];
                  if (!w || !w.el) continue;
                  if (w.hidden) {
                      w.el.style.top = -100 - (w.pixelHeight || 0) + "px";
                      continue;
                  }
                  if (!w._inDocument) {
                      w._inDocument = true;
                      renderer.container.appendChild(w.el);
                  }
                  var top = renderer.$cursorLayer.getPixelPosition({
                      row: i,
                      column: 0
                  }, true).top;
                  if (!w.coverLine)
                      top += config.lineHeight * this.session.getRowLineCount(w.row);
                  w.el.style.top = top - config.offset + "px";
  
                  var left = w.coverGutter ? 0 : renderer.gutterWidth;
                  if (!w.fixedWidth)
                      left -= renderer.scrollLeft;
                  w.el.style.left = left + "px";
  
                  if (w.fullWidth && w.screenWidth) {
                      w.el.style.minWidth = config.width + 2 * config.padding + "px";
                  }
  
                  if (w.fixedWidth) {
                      w.el.style.right = renderer.scrollBar.getWidth() + "px";
                  } else {
                      w.el.style.right = "";
                  }
              }
          };
  
      }).call(LineWidgets.prototype);
  
  
      exports.LineWidgets = LineWidgets;
  
  });
  
  define("ace/ext/error_marker", ["require", "exports", "module", "ace/line_widgets", "ace/lib/dom", "ace/range"], function (require, exports, module) {
      "use strict";
      var LineWidgets = require("../line_widgets").LineWidgets;
      var dom = require("../lib/dom");
      var Range = require("../range").Range;
  
      function binarySearch(array, needle, comparator) {
          var first = 0;
          var last = array.length - 1;
  
          while (first <= last) {
              var mid = (first + last) >> 1;
              var c = comparator(needle, array[mid]);
              if (c > 0)
                  first = mid + 1;
              else if (c < 0)
                  last = mid - 1;
              else
                  return mid;
          }
          return -(first + 1);
      }
  
      function findAnnotations(session, row, dir) {
          var annotations = session.getAnnotations().sort(Range.comparePoints);
          if (!annotations.length)
              return;
  
          var i = binarySearch(annotations, {
              row: row,
              column: -1
          }, Range.comparePoints);
          if (i < 0)
              i = -i - 1;
  
          if (i >= annotations.length)
              i = dir > 0 ? 0 : annotations.length - 1;
          else if (i === 0 && dir < 0)
              i = annotations.length - 1;
  
          var annotation = annotations[i];
          if (!annotation || !dir)
              return;
  
          if (annotation.row === row) {
              do {
                  annotation = annotations[i += dir];
              } while (annotation && annotation.row === row);
              if (!annotation)
                  return annotations.slice();
          }
  
  
          var matched = [];
          row = annotation.row;
          do {
              matched[dir < 0 ? "unshift" : "push"](annotation);
              annotation = annotations[i += dir];
          } while (annotation && annotation.row == row);
          return matched.length && matched;
      }
  
      exports.showErrorMarker = function (editor, dir) {
          var session = editor.session;
          if (!session.widgetManager) {
              session.widgetManager = new LineWidgets(session);
              session.widgetManager.attach(editor);
          }
  
          var pos = editor.getCursorPosition();
          var row = pos.row;
          var oldWidget = session.widgetManager.getWidgetsAtRow(row).filter(function (w) {
              return w.type == "errorMarker";
          })[0];
          if (oldWidget) {
              oldWidget.destroy();
          } else {
              row -= dir;
          }
          var annotations = findAnnotations(session, row, dir);
          var gutterAnno;
          if (annotations) {
              var annotation = annotations[0];
              pos.column = (annotation.pos && typeof annotation.column != "number" ?
                  annotation.pos.sc :
                  annotation.column) || 0;
              pos.row = annotation.row;
              gutterAnno = editor.renderer.$gutterLayer.$annotations[pos.row];
          } else if (oldWidget) {
              return;
          } else {
              gutterAnno = {
                  text: ["Looks good!"],
                  className: "ace_ok"
              };
          }
          editor.session.unfold(pos.row);
          editor.selection.moveToPosition(pos);
  
          var w = {
              row: pos.row,
              fixedWidth: true,
              coverGutter: true,
              el: dom.createElement("div"),
              type: "errorMarker"
          };
          var el = w.el.appendChild(dom.createElement("div"));
          var arrow = w.el.appendChild(dom.createElement("div"));
          arrow.className = "error_widget_arrow " + gutterAnno.className;
  
          var left = editor.renderer.$cursorLayer
              .getPixelPosition(pos).left;
          arrow.style.left = left + editor.renderer.gutterWidth - 5 + "px";
  
          w.el.className = "error_widget_wrapper";
          el.className = "error_widget " + gutterAnno.className;
          el.innerHTML = gutterAnno.text.join("<br>");
  
          el.appendChild(dom.createElement("div"));
  
          var kb = function (_, hashId, keyString) {
              if (hashId === 0 && (keyString === "esc" || keyString === "return")) {
                  w.destroy();
                  return {
                      command: "null"
                  };
              }
          };
  
          w.destroy = function () {
              if (editor.$mouseHandler.isMousePressed)
                  return;
              editor.keyBinding.removeKeyboardHandler(kb);
              session.widgetManager.removeLineWidget(w);
              editor.off("changeSelection", w.destroy);
              editor.off("changeSession", w.destroy);
              editor.off("mouseup", w.destroy);
              editor.off("change", w.destroy);
          };
  
          editor.keyBinding.addKeyboardHandler(kb);
          editor.on("changeSelection", w.destroy);
          editor.on("changeSession", w.destroy);
          editor.on("mouseup", w.destroy);
          editor.on("change", w.destroy);
  
          editor.session.widgetManager.addLineWidget(w);
  
          w.el.onmousedown = editor.focus.bind(editor);
  
          editor.renderer.scrollCursorIntoView(null, 0.5, {
              bottom: w.el.offsetHeight
          });
      };
  
  
      dom.importCssString("\
      .error_widget_wrapper {\
          background: inherit;\
          color: inherit;\
          border:none\
      }\
      .error_widget {\
          border-top: solid 2px;\
          border-bottom: solid 2px;\
          margin: 5px 0;\
          padding: 10px 40px;\
          white-space: pre-wrap;\
      }\
      .error_widget.ace_error, .error_widget_arrow.ace_error{\
          border-color: #ff5a5a\
      }\
      .error_widget.ace_warning, .error_widget_arrow.ace_warning{\
          border-color: #F1D817\
      }\
      .error_widget.ace_info, .error_widget_arrow.ace_info{\
          border-color: #5a5a5a\
      }\
      .error_widget.ace_ok, .error_widget_arrow.ace_ok{\
          border-color: #5aaa5a\
      }\
      .error_widget_arrow {\
          position: absolute;\
          border: solid 5px;\
          border-top-color: transparent!important;\
          border-right-color: transparent!important;\
          border-left-color: transparent!important;\
          top: -5px;\
      }\
  ", "");
  
  });
  
  define("ace/ace", ["require", "exports", "module", "ace/lib/fixoldbrowsers", "ace/lib/dom", "ace/lib/event", "ace/range", "ace/editor", "ace/edit_session", "ace/undomanager", "ace/virtual_renderer", "ace/worker/worker_client", "ace/keyboard/hash_handler", "ace/placeholder", "ace/multi_select", "ace/mode/folding/fold_mode", "ace/theme/textmate", "ace/ext/error_marker", "ace/config"], function (require, exports, module) {
      "use strict";
  
      require("./lib/fixoldbrowsers");
  
      var dom = require("./lib/dom");
      var event = require("./lib/event");
  
      var Range = require("./range").Range;
      var Editor = require("./editor").Editor;
      var EditSession = require("./edit_session").EditSession;
      var UndoManager = require("./undomanager").UndoManager;
      var Renderer = require("./virtual_renderer").VirtualRenderer;
      require("./worker/worker_client");
      require("./keyboard/hash_handler");
      require("./placeholder");
      require("./multi_select");
      require("./mode/folding/fold_mode");
      require("./theme/textmate");
      require("./ext/error_marker");
  
      exports.config = require("./config");
      exports.require = require;
  
      if (typeof define === "function")
          exports.define = define;
      exports.edit = function (el, options) {
          if (typeof el == "string") {
              var _id = el;
              el = document.getElementById(_id);
              if (!el)
                  throw new Error("ace.edit can't find div #" + _id);
          }
  
          if (el && el.env && el.env.editor instanceof Editor)
              return el.env.editor;
  
          var value = "";
          if (el && /input|textarea/i.test(el.tagName)) {
              var oldNode = el;
              value = oldNode.value;
              el = dom.createElement("pre");
              oldNode.parentNode.replaceChild(el, oldNode);
          } else if (el) {
              value = el.textContent;
              el.innerHTML = "";
          }
  
          var doc = exports.createEditSession(value);
  
          var editor = new Editor(new Renderer(el), doc, options);
  
          var env = {
              document: doc,
              editor: editor,
              onResize: editor.resize.bind(editor, null)
          };
          if (oldNode) env.textarea = oldNode;
          event.addListener(window, "resize", env.onResize);
          editor.on("destroy", function () {
              event.removeListener(window, "resize", env.onResize);
              env.editor.container.env = null; // prevent memory leak on old ie
          });
          editor.container.env = editor.env = env;
          return editor;
      };
      exports.createEditSession = function (text, mode) {
          var doc = new EditSession(text, mode);
          doc.setUndoManager(new UndoManager());
          return doc;
      };
      exports.Range = Range;
      exports.Editor = Editor;
      exports.EditSession = EditSession;
      exports.UndoManager = UndoManager;
      exports.VirtualRenderer = Renderer;
      exports.version = exports.config.version;
  });
  (function () {
      window.require(["ace/ace"], function (a) {
          if (a) {
              a.config.init(true);
              a.define = window.define;
          }
          if (!window.ace)
              window.ace = a;
          for (var key in a)
              if (a.hasOwnProperty(key))
                  window.ace[key] = a[key];
          window.ace["default"] = window.ace;
          if (typeof module == "object" && typeof exports == "object" && module) {
              module.exports = window.ace;
          }
      });
  })();