text: /**
   * @license
   * Copyright (c) 2018, General Electric
   *
   * Licensed under the Apache License, Version 2.0 (the "License");
   * you may not use this file except in compliance with the License.
   * You may obtain a copy of the License at
   *
   *     http://www.apache.org/licenses/LICENSE-2.0
   *
   * Unless required by applicable law or agreed to in writing, software
   * distributed under the License is distributed on an "AS IS" BASIS,
   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
   * See the License for the specific language governing permissions and
   * limitations under the License.
   */
  
  // CodeMirror, copyright (c) by Marijn Haverbeke and others
  // Distributed under an MIT license: http://codemirror.net/LICENSE
  
  (function(mod) {
    if (typeof exports == "object" && typeof module == "object") // CommonJS
      mod(require("../../lib/codemirror"), require("../htmlmixed/htmlmixed"),
          require("../../addon/mode/overlay"));
    else if (typeof define == "function" && define.amd) // AMD
      define(["../../lib/codemirror", "../htmlmixed/htmlmixed",
              "../../addon/mode/overlay"], mod);
    else // Plain browser env
      mod(CodeMirror);
  })(function(CodeMirror) {
    "use strict";
  
    CodeMirror.defineMode("tornado:inner", function() {
      var keywords = ["and","as","assert","autoescape","block","break","class","comment","context",
                      "continue","datetime","def","del","elif","else","end","escape","except",
                      "exec","extends","false","finally","for","from","global","if","import","in",
                      "include","is","json_encode","lambda","length","linkify","load","module",
                      "none","not","or","pass","print","put","raise","raw","return","self","set",
                      "squeeze","super","true","try","url_escape","while","with","without","xhtml_escape","yield"];
      keywords = new RegExp("^((" + keywords.join(")|(") + "))\\b");
  
      function tokenBase (stream, state) {
        stream.eatWhile(/[^\{]/);
        var ch = stream.next();
        if (ch == "{") {
          if (ch = stream.eat(/\{|%|#/)) {
            state.tokenize = inTag(ch);
            return "tag";
          }
        }
      }
      function inTag (close) {
        if (close == "{") {
          close = "}";
        }
        return function (stream, state) {
          var ch = stream.next();
          if ((ch == close) && stream.eat("}")) {
            state.tokenize = tokenBase;
            return "tag";
          }
          if (stream.match(keywords)) {
            return "keyword";
          }
          return close == "#" ? "comment" : "string";
        };
      }
      return {
        startState: function () {
          return {tokenize: tokenBase};
        },
        token: function (stream, state) {
          return state.tokenize(stream, state);
        }
      };
    });
  
    CodeMirror.defineMode("tornado", function(config) {
      var htmlBase = CodeMirror.getMode(config, "text/html");
      var tornadoInner = CodeMirror.getMode(config, "tornado:inner");
      return CodeMirror.overlayMode(htmlBase, tornadoInner);
    });
  
    CodeMirror.defineMIME("text/x-tornado", "tornado");
  });
  