--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/nabble/view/web/util/codemirror/js/tokenizejavascript.js	Thu Mar 21 19:15:52 2019 -0600
@@ -0,0 +1,174 @@
+/* Tokenizer for JavaScript code */
+
+var tokenizeJavaScript = (function() {
+  // Advance the stream until the given character (not preceded by a
+  // backslash) is encountered, or the end of the line is reached.
+  function nextUntilUnescaped(source, end) {
+    var escaped = false;
+    while (!source.endOfLine()) {
+      var next = source.next();
+      if (next == end && !escaped)
+        return false;
+      escaped = !escaped && next == "\\";
+    }
+    return escaped;
+  }
+
+  // A map of JavaScript's keywords. The a/b/c keyword distinction is
+  // very rough, but it gives the parser enough information to parse
+  // correct code correctly (we don't care that much how we parse
+  // incorrect code). The style information included in these objects
+  // is used by the highlighter to pick the correct CSS style for a
+  // token.
+  var keywords = function(){
+    function result(type, style){
+      return {type: type, style: "js-" + style};
+    }
+    // keywords that take a parenthised expression, and then a
+    // statement (if)
+    var keywordA = result("keyword a", "keyword");
+    // keywords that take just a statement (else)
+    var keywordB = result("keyword b", "keyword");
+    // keywords that optionally take an expression, and form a
+    // statement (return)
+    var keywordC = result("keyword c", "keyword");
+    var operator = result("operator", "keyword");
+    var atom = result("atom", "atom");
+    return {
+      "if": keywordA, "while": keywordA, "with": keywordA,
+      "else": keywordB, "do": keywordB, "try": keywordB, "finally": keywordB,
+      "return": keywordC, "break": keywordC, "continue": keywordC, "new": keywordC, "delete": keywordC, "throw": keywordC,
+      "in": operator, "typeof": operator, "instanceof": operator,
+      "var": result("var", "keyword"), "function": result("function", "keyword"), "catch": result("catch", "keyword"),
+      "for": result("for", "keyword"), "switch": result("switch", "keyword"),
+      "case": result("case", "keyword"), "default": result("default", "keyword"),
+      "true": atom, "false": atom, "null": atom, "undefined": atom, "NaN": atom, "Infinity": atom
+    };
+  }();
+
+  // Some helper regexps
+  var isOperatorChar = /[+\-*&%=<>!?|]/;
+  var isHexDigit = /[0-9A-Fa-f]/;
+  var isWordChar = /[\w\$_]/;
+
+  // Wrapper around jsToken that helps maintain parser state (whether
+  // we are inside of a multi-line comment and whether the next token
+  // could be a regular expression).
+  function jsTokenState(inside, regexp) {
+    return function(source, setState) {
+      var newInside = inside;
+      var type = jsToken(inside, regexp, source, function(c) {newInside = c;});
+      var newRegexp = type.type == "operator" || type.type == "keyword c" || type.type.match(/^[\[{}\(,;:]$/);
+      if (newRegexp != regexp || newInside != inside)
+        setState(jsTokenState(newInside, newRegexp));
+      return type;
+    };
+  }
+
+  // The token reader, intended to be used by the tokenizer from
+  // tokenize.js (through jsTokenState). Advances the source stream
+  // over a token, and returns an object containing the type and style
+  // of that token.
+  function jsToken(inside, regexp, source, setInside) {
+    function readHexNumber(){
+      source.next(); // skip the 'x'
+      source.nextWhileMatches(isHexDigit);
+      return {type: "number", style: "js-atom"};
+    }
+
+    function readNumber() {
+      source.nextWhileMatches(/[0-9]/);
+      if (source.equals(".")){
+        source.next();
+        source.nextWhileMatches(/[0-9]/);
+      }
+      if (source.equals("e") || source.equals("E")){
+        source.next();
+        if (source.equals("-"))
+          source.next();
+        source.nextWhileMatches(/[0-9]/);
+      }
+      return {type: "number", style: "js-atom"};
+    }
+    // Read a word, look it up in keywords. If not found, it is a
+    // variable, otherwise it is a keyword of the type found.
+    function readWord() {
+      source.nextWhileMatches(isWordChar);
+      var word = source.get();
+      var known = keywords.hasOwnProperty(word) && keywords.propertyIsEnumerable(word) && keywords[word];
+      return known ? {type: known.type, style: known.style, content: word} :
+      {type: "variable", style: "js-variable", content: word};
+    }
+    function readRegexp() {
+      nextUntilUnescaped(source, "/");
+      source.nextWhileMatches(/[gimy]/); // 'y' is "sticky" option in Mozilla
+      return {type: "regexp", style: "js-string"};
+    }
+    // Mutli-line comments are tricky. We want to return the newlines
+    // embedded in them as regular newline tokens, and then continue
+    // returning a comment token for every line of the comment. So
+    // some state has to be saved (inside) to indicate whether we are
+    // inside a /* */ sequence.
+    function readMultilineComment(start){
+      var newInside = "/*";
+      var maybeEnd = (start == "*");
+      while (true) {
+        if (source.endOfLine())
+          break;
+        var next = source.next();
+        if (next == "/" && maybeEnd){
+          newInside = null;
+          break;
+        }
+        maybeEnd = (next == "*");
+      }
+      setInside(newInside);
+      return {type: "comment", style: "js-comment"};
+    }
+    function readOperator() {
+      source.nextWhileMatches(isOperatorChar);
+      return {type: "operator", style: "js-operator"};
+    }
+    function readString(quote) {
+      var endBackSlash = nextUntilUnescaped(source, quote);
+      setInside(endBackSlash ? quote : null);
+      return {type: "string", style: "js-string"};
+    }
+
+    // Fetch the next token. Dispatches on first character in the
+    // stream, or first two characters when the first is a slash.
+    if (inside == "\"" || inside == "'")
+      return readString(inside);
+    var ch = source.next();
+    if (inside == "/*")
+      return readMultilineComment(ch);
+    else if (ch == "\"" || ch == "'")
+      return readString(ch);
+    // with punctuation, the type of the token is the symbol itself
+    else if (/[\[\]{}\(\),;\:\.]/.test(ch))
+      return {type: ch, style: "js-punctuation"};
+    else if (ch == "0" && (source.equals("x") || source.equals("X")))
+      return readHexNumber();
+    else if (/[0-9]/.test(ch))
+      return readNumber();
+    else if (ch == "/"){
+      if (source.equals("*"))
+      { source.next(); return readMultilineComment(ch); }
+      else if (source.equals("/"))
+      { nextUntilUnescaped(source, null); return {type: "comment", style: "js-comment"};}
+      else if (regexp)
+        return readRegexp();
+      else
+        return readOperator();
+    }
+    else if (isOperatorChar.test(ch))
+      return readOperator();
+    else
+      return readWord();
+  }
+
+  // The external interface to the tokenizer.
+  return function(source, startState) {
+    return tokenizer(source, startState || jsTokenState(false, true));
+  };
+})();