Last commit: Sun Dec 17 01:14:09 2017 +0100	Jan Dankert	Integration eines weiteren Code-Editors: Codemirror. Demnächst müssen wir hier mal aufräumen und andere Editoren rauswerfen.


      // 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"));
        else if (typeof define == "function" && define.amd) // AMD
          define(["../../lib/codemirror"], mod);
        else // Plain browser env
         mod(CodeMirror);
     })(function(CodeMirror) {
     "use strict";
     
     CodeMirror.defineMode("javascript", function(config, parserConfig) {
       var indentUnit = config.indentUnit;
       var statementIndent = parserConfig.statementIndent;
       var jsonldMode = parserConfig.jsonld;
       var jsonMode = parserConfig.json || jsonldMode;
       var isTS = parserConfig.typescript;
       var wordRE = parserConfig.wordCharacters || /[\w$\xa1-\uffff]/;
     
       // Tokenizer
     
       var keywords = function(){
         function kw(type) {return {type: type, style: "keyword"};}
         var A = kw("keyword a"), B = kw("keyword b"), C = kw("keyword c"), D = kw("keyword d");
         var operator = kw("operator"), atom = {type: "atom", style: "atom"};
     
         var jsKeywords = {
           "if": kw("if"), "while": A, "with": A, "else": B, "do": B, "try": B, "finally": B,
           "return": D, "break": D, "continue": D, "new": kw("new"), "delete": C, "void": C, "throw": C,
           "debugger": kw("debugger"), "var": kw("var"), "const": kw("var"), "let": kw("var"),
           "function": kw("function"), "catch": kw("catch"),
           "for": kw("for"), "switch": kw("switch"), "case": kw("case"), "default": kw("default"),
           "in": operator, "typeof": operator, "instanceof": operator,
           "true": atom, "false": atom, "null": atom, "undefined": atom, "NaN": atom, "Infinity": atom,
           "this": kw("this"), "class": kw("class"), "super": kw("atom"),
           "yield": C, "export": kw("export"), "import": kw("import"), "extends": C,
           "await": C
         };
     
         // Extend the 'normal' keywords with the TypeScript language extensions
         if (isTS) {
           var type = {type: "variable", style: "type"};
           var tsKeywords = {
             // object-like things
             "interface": kw("class"),
             "implements": C,
             "namespace": C,
     
             // scope modifiers
             "public": kw("modifier"),
             "private": kw("modifier"),
             "protected": kw("modifier"),
             "abstract": kw("modifier"),
             "readonly": kw("modifier"),
     
             // types
             "string": type, "number": type, "boolean": type, "any": type
           };
     
           for (var attr in tsKeywords) {
             jsKeywords[attr] = tsKeywords[attr];
           }
         }
     
         return jsKeywords;
       }();
     
       var isOperatorChar = /[+\-*&%=<>!?|~^@]/;
       var isJsonldKeyword = /^@(context|id|value|language|type|container|list|set|reverse|index|base|vocab|graph)"/;
     
       function readRegexp(stream) {
         var escaped = false, next, inSet = false;
         while ((next = stream.next()) != null) {
           if (!escaped) {
             if (next == "/" && !inSet) return;
             if (next == "[") inSet = true;
             else if (inSet && next == "]") inSet = false;
           }
           escaped = !escaped && next == "\\";
         }
       }
     
       // Used as scratch variables to communicate multiple values without
       // consing up tons of objects.
       var type, content;
       function ret(tp, style, cont) {
         type = tp; content = cont;
         return style;
       }
       function tokenBase(stream, state) {
         var ch = stream.next();
         if (ch == '"' || ch == "'") {
           state.tokenize = tokenString(ch);
           return state.tokenize(stream, state);
         } else if (ch == "." && stream.match(/^\d+(?:[eE][+\-]?\d+)?/)) {
           return ret("number", "number");
         } else if (ch == "." && stream.match("..")) {
          return ret("spread", "meta");
        } else if (/[\[\]{}\(\),;\:\.]/.test(ch)) {
          return ret(ch);
        } else if (ch == "=" && stream.eat(">")) {
          return ret("=>", "operator");
        } else if (ch == "0" && stream.eat(/x/i)) {
          stream.eatWhile(/[\da-f]/i);
          return ret("number", "number");
        } else if (ch == "0" && stream.eat(/o/i)) {
          stream.eatWhile(/[0-7]/i);
          return ret("number", "number");
        } else if (ch == "0" && stream.eat(/b/i)) {
          stream.eatWhile(/[01]/i);
          return ret("number", "number");
        } else if (/\d/.test(ch)) {
          stream.match(/^\d*(?:\.\d*)?(?:[eE][+\-]?\d+)?/);
          return ret("number", "number");
        } else if (ch == "/") {
          if (stream.eat("*")) {
            state.tokenize = tokenComment;
            return tokenComment(stream, state);
          } else if (stream.eat("/")) {
            stream.skipToEnd();
            return ret("comment", "comment");
          } else if (expressionAllowed(stream, state, 1)) {
            readRegexp(stream);
            stream.match(/^\b(([gimyu])(?![gimyu]*\2))+\b/);
            return ret("regexp", "string-2");
          } else {
            stream.eat("=");
            return ret("operator", "operator", stream.current());
          }
        } else if (ch == "`") {
          state.tokenize = tokenQuasi;
          return tokenQuasi(stream, state);
        } else if (ch == "#") {
          stream.skipToEnd();
          return ret("error", "error");
        } else if (isOperatorChar.test(ch)) {
          if (ch != ">" || !state.lexical || state.lexical.type != ">") {
            if (stream.eat("=")) {
              if (ch == "!" || ch == "=") stream.eat("=")
            } else if (/[<>*+\-]/.test(ch)) {
              stream.eat(ch)
              if (ch == ">") stream.eat(ch)
            }
          }
          return ret("operator", "operator", stream.current());
        } else if (wordRE.test(ch)) {
          stream.eatWhile(wordRE);
          var word = stream.current()
          if (state.lastType != ".") {
            if (keywords.propertyIsEnumerable(word)) {
              var kw = keywords[word]
              return ret(kw.type, kw.style, word)
            }
            if (word == "async" && stream.match(/^(\s|\/\*.*?\*\/)*[\(\w]/, false))
              return ret("async", "keyword", word)
          }
          return ret("variable", "variable", word)
        }
      }
    
      function tokenString(quote) {
        return function(stream, state) {
          var escaped = false, next;
          if (jsonldMode && stream.peek() == "@" && stream.match(isJsonldKeyword)){
            state.tokenize = tokenBase;
            return ret("jsonld-keyword", "meta");
          }
          while ((next = stream.next()) != null) {
            if (next == quote && !escaped) break;
            escaped = !escaped && next == "\\";
          }
          if (!escaped) state.tokenize = tokenBase;
          return ret("string", "string");
        };
      }
    
      function tokenComment(stream, state) {
        var maybeEnd = false, ch;
        while (ch = stream.next()) {
          if (ch == "/" && maybeEnd) {
            state.tokenize = tokenBase;
            break;
          }
          maybeEnd = (ch == "*");
        }
        return ret("comment", "comment");
      }
    
      function tokenQuasi(stream, state) {
        var escaped = false, next;
        while ((next = stream.next()) != null) {
          if (!escaped && (next == "`" || next == "$" && stream.eat("{"))) {
            state.tokenize = tokenBase;
            break;
          }
          escaped = !escaped && next == "\\";
        }
        return ret("quasi", "string-2", stream.current());
      }
    
      var brackets = "([{}])";
      // This is a crude lookahead trick to try and notice that we're
      // parsing the argument patterns for a fat-arrow function before we
      // actually hit the arrow token. It only works if the arrow is on
      // the same line as the arguments and there's no strange noise
      // (comments) in between. Fallback is to only notice when we hit the
      // arrow, and not declare the arguments as locals for the arrow
      // body.
      function findFatArrow(stream, state) {
        if (state.fatArrowAt) state.fatArrowAt = null;
        var arrow = stream.string.indexOf("=>", stream.start);
        if (arrow < 0) return;
    
        if (isTS) { // Try to skip TypeScript return type declarations after the arguments
          var m = /:\s*(?:\w+(?:<[^>]*>|\[\])?|\{[^}]*\})\s*$/.exec(stream.string.slice(stream.start, arrow))
          if (m) arrow = m.index
        }
    
        var depth = 0, sawSomething = false;
        for (var pos = arrow - 1; pos >= 0; --pos) {
          var ch = stream.string.charAt(pos);
          var bracket = brackets.indexOf(ch);
          if (bracket >= 0 && bracket < 3) {
            if (!depth) { ++pos; break; }
            if (--depth == 0) { if (ch == "(") sawSomething = true; break; }
          } else if (bracket >= 3 && bracket < 6) {
            ++depth;
          } else if (wordRE.test(ch)) {
            sawSomething = true;
          } else if (/["'\/]/.test(ch)) {
            return;
          } else if (sawSomething && !depth) {
            ++pos;
            break;
          }
        }
        if (sawSomething && !depth) state.fatArrowAt = pos;
      }
    
      // Parser
    
      var atomicTypes = {"atom": true, "number": true, "variable": true, "string": true, "regexp": true, "this": true, "jsonld-keyword": true};
    
      function JSLexical(indented, column, type, align, prev, info) {
        this.indented = indented;
        this.column = column;
        this.type = type;
        this.prev = prev;
        this.info = info;
        if (align != null) this.align = align;
      }
    
      function inScope(state, varname) {
        for (var v = state.localVars; v; v = v.next)
          if (v.name == varname) return true;
        for (var cx = state.context; cx; cx = cx.prev) {
          for (var v = cx.vars; v; v = v.next)
            if (v.name == varname) return true;
        }
      }
    
      function parseJS(state, style, type, content, stream) {
        var cc = state.cc;
        // Communicate our context to the combinators.
        // (Less wasteful than consing up a hundred closures on every call.)
        cx.state = state; cx.stream = stream; cx.marked = null, cx.cc = cc; cx.style = style;
    
        if (!state.lexical.hasOwnProperty("align"))
          state.lexical.align = true;
    
        while(true) {
          var combinator = cc.length ? cc.pop() : jsonMode ? expression : statement;
          if (combinator(type, content)) {
            while(cc.length && cc[cc.length - 1].lex)
              cc.pop()();
            if (cx.marked) return cx.marked;
            if (type == "variable" && inScope(state, content)) return "variable-2";
            return style;
          }
        }
      }
    
      // Combinator utils
    
      var cx = {state: null, column: null, marked: null, cc: null};
      function pass() {
        for (var i = arguments.length - 1; i >= 0; i--) cx.cc.push(arguments[i]);
      }
      function cont() {
        pass.apply(null, arguments);
        return true;
      }
      function register(varname) {
        function inList(list) {
          for (var v = list; v; v = v.next)
            if (v.name == varname) return true;
          return false;
        }
        var state = cx.state;
        cx.marked = "def";
        if (state.context) {
          if (inList(state.localVars)) return;
          state.localVars = {name: varname, next: state.localVars};
        } else {
          if (inList(state.globalVars)) return;
          if (parserConfig.globalVars)
            state.globalVars = {name: varname, next: state.globalVars};
        }
      }
    
      // Combinators
    
      var defaultVars = {name: "this", next: {name: "arguments"}};
      function pushcontext() {
        cx.state.context = {prev: cx.state.context, vars: cx.state.localVars};
        cx.state.localVars = defaultVars;
      }
      function popcontext() {
        cx.state.localVars = cx.state.context.vars;
        cx.state.context = cx.state.context.prev;
      }
      function pushlex(type, info) {
        var result = function() {
          var state = cx.state, indent = state.indented;
          if (state.lexical.type == "stat") indent = state.lexical.indented;
          else for (var outer = state.lexical; outer && outer.type == ")" && outer.align; outer = outer.prev)
            indent = outer.indented;
          state.lexical = new JSLexical(indent, cx.stream.column(), type, null, state.lexical, info);
        };
        result.lex = true;
        return result;
      }
      function poplex() {
        var state = cx.state;
        if (state.lexical.prev) {
          if (state.lexical.type == ")")
            state.indented = state.lexical.indented;
          state.lexical = state.lexical.prev;
        }
      }
      poplex.lex = true;
    
      function expect(wanted) {
        function exp(type) {
          if (type == wanted) return cont();
          else if (wanted == ";") return pass();
          else return cont(exp);
        };
        return exp;
      }
    
      function statement(type, value) {
        if (type == "var") return cont(pushlex("vardef", value.length), vardef, expect(";"), poplex);
        if (type == "keyword a") return cont(pushlex("form"), parenExpr, statement, poplex);
        if (type == "keyword b") return cont(pushlex("form"), statement, poplex);
        if (type == "keyword d") return cx.stream.match(/^\s*$/, false) ? cont() : cont(pushlex("stat"), maybeexpression, expect(";"), poplex);
        if (type == "debugger") return cont(expect(";"));
        if (type == "{") return cont(pushlex("}"), block, poplex);
        if (type == ";") return cont();
        if (type == "if") {
          if (cx.state.lexical.info == "else" && cx.state.cc[cx.state.cc.length - 1] == poplex)
            cx.state.cc.pop()();
          return cont(pushlex("form"), parenExpr, statement, poplex, maybeelse);
        }
        if (type == "function") return cont(functiondef);
        if (type == "for") return cont(pushlex("form"), forspec, statement, poplex);
        if (type == "variable") {
          if (isTS && value == "type") {
            cx.marked = "keyword"
            return cont(typeexpr, expect("operator"), typeexpr, expect(";"));
          } else if (isTS && value == "declare") {
            cx.marked = "keyword"
            return cont(statement)
          } else if (isTS && (value == "module" || value == "enum") && cx.stream.match(/^\s*\w/, false)) {
            cx.marked = "keyword"
            return cont(pushlex("form"), pattern, expect("{"), pushlex("}"), block, poplex, poplex)
          } else {
            return cont(pushlex("stat"), maybelabel);
          }
        }
        if (type == "switch") return cont(pushlex("form"), parenExpr, expect("{"), pushlex("}", "switch"),
                                          block, poplex, poplex);
        if (type == "case") return cont(expression, expect(":"));
        if (type == "default") return cont(expect(":"));
        if (type == "catch") return cont(pushlex("form"), pushcontext, expect("("), funarg, expect(")"),
                                         statement, poplex, popcontext);
        if (type == "class") return cont(pushlex("form"), className, poplex);
        if (type == "export") return cont(pushlex("stat"), afterExport, poplex);
        if (type == "import") return cont(pushlex("stat"), afterImport, poplex);
        if (type == "async") return cont(statement)
        if (value == "@") return cont(expression, statement)
        return pass(pushlex("stat"), expression, expect(";"), poplex);
      }
      function expression(type) {
        return expressionInner(type, false);
      }
      function expressionNoComma(type) {
        return expressionInner(type, true);
      }
      function parenExpr(type) {
        if (type != "(") return pass()
        return cont(pushlex(")"), expression, expect(")"), poplex)
      }
      function expressionInner(type, noComma) {
        if (cx.state.fatArrowAt == cx.stream.start) {
          var body = noComma ? arrowBodyNoComma : arrowBody;
          if (type == "(") return cont(pushcontext, pushlex(")"), commasep(funarg, ")"), poplex, expect("=>"), body, popcontext);
          else if (type == "variable") return pass(pushcontext, pattern, expect("=>"), body, popcontext);
        }
    
        var maybeop = noComma ? maybeoperatorNoComma : maybeoperatorComma;
        if (atomicTypes.hasOwnProperty(type)) return cont(maybeop);
        if (type == "function") return cont(functiondef, maybeop);
        if (type == "class") return cont(pushlex("form"), classExpression, poplex);
        if (type == "keyword c" || type == "async") return cont(noComma ? expressionNoComma : expression);
        if (type == "(") return cont(pushlex(")"), maybeexpression, expect(")"), poplex, maybeop);
        if (type == "operator" || type == "spread") return cont(noComma ? expressionNoComma : expression);
        if (type == "[") return cont(pushlex("]"), arrayLiteral, poplex, maybeop);
        if (type == "{") return contCommasep(objprop, "}", null, maybeop);
        if (type == "quasi") return pass(quasi, maybeop);
        if (type == "new") return cont(maybeTarget(noComma));
        return cont();
      }
      function maybeexpression(type) {
        if (type.match(/[;\}\)\],]/)) return pass();
        return pass(expression);
      }
    
      function maybeoperatorComma(type, value) {
        if (type == ",") return cont(expression);
        return maybeoperatorNoComma(type, value, false);
      }
      function maybeoperatorNoComma(type, value, noComma) {
        var me = noComma == false ? maybeoperatorComma : maybeoperatorNoComma;
        var expr = noComma == false ? expression : expressionNoComma;
        if (type == "=>") return cont(pushcontext, noComma ? arrowBodyNoComma : arrowBody, popcontext);
        if (type == "operator") {
          if (/\+\+|--/.test(value) || isTS && value == "!") return cont(me);
          if (isTS && value == "<" && cx.stream.match(/^([^>]|<.*?>)*>\s*\(/, false))
            return cont(pushlex(">"), commasep(typeexpr, ">"), poplex, me);
          if (value == "?") return cont(expression, expect(":"), expr);
          return cont(expr);
        }
        if (type == "quasi") { return pass(quasi, me); }
        if (type == ";") return;
        if (type == "(") return contCommasep(expressionNoComma, ")", "call", me);
        if (type == ".") return cont(property, me);
        if (type == "[") return cont(pushlex("]"), maybeexpression, expect("]"), poplex, me);
        if (isTS && value == "as") { cx.marked = "keyword"; return cont(typeexpr, me) }
        if (type == "regexp") {
          cx.state.lastType = cx.marked = "operator"
          cx.stream.backUp(cx.stream.pos - cx.stream.start - 1)
          return cont(expr)
        }
      }
      function quasi(type, value) {
        if (type != "quasi") return pass();
        if (value.slice(value.length - 2) != "${") return cont(quasi);
        return cont(expression, continueQuasi);
      }
      function continueQuasi(type) {
        if (type == "}") {
          cx.marked = "string-2";
          cx.state.tokenize = tokenQuasi;
          return cont(quasi);
        }
      }
      function arrowBody(type) {
        findFatArrow(cx.stream, cx.state);
        return pass(type == "{" ? statement : expression);
      }
      function arrowBodyNoComma(type) {
        findFatArrow(cx.stream, cx.state);
        return pass(type == "{" ? statement : expressionNoComma);
      }
      function maybeTarget(noComma) {
        return function(type) {
          if (type == ".") return cont(noComma ? targetNoComma : target);
          else if (type == "variable" && isTS) return cont(maybeTypeArgs, noComma ? maybeoperatorNoComma : maybeoperatorComma)
          else return pass(noComma ? expressionNoComma : expression);
        };
      }
      function target(_, value) {
        if (value == "target") { cx.marked = "keyword"; return cont(maybeoperatorComma); }
      }
      function targetNoComma(_, value) {
        if (value == "target") { cx.marked = "keyword"; return cont(maybeoperatorNoComma); }
      }
      function maybelabel(type) {
        if (type == ":") return cont(poplex, statement);
        return pass(maybeoperatorComma, expect(";"), poplex);
      }
      function property(type) {
        if (type == "variable") {cx.marked = "property"; return cont();}
      }
      function objprop(type, value) {
        if (type == "async") {
          cx.marked = "property";
          return cont(objprop);
        } else if (type == "variable" || cx.style == "keyword") {
          cx.marked = "property";
          if (value == "get" || value == "set") return cont(getterSetter);
          var m // Work around fat-arrow-detection complication for detecting typescript typed arrow params
          if (isTS && cx.state.fatArrowAt == cx.stream.start && (m = cx.stream.match(/^\s*:\s*/, false)))
            cx.state.fatArrowAt = cx.stream.pos + m[0].length
          return cont(afterprop);
        } else if (type == "number" || type == "string") {
          cx.marked = jsonldMode ? "property" : (cx.style + " property");
          return cont(afterprop);
        } else if (type == "jsonld-keyword") {
          return cont(afterprop);
        } else if (type == "modifier") {
          return cont(objprop)
        } else if (type == "[") {
          return cont(expression, expect("]"), afterprop);
        } else if (type == "spread") {
          return cont(expressionNoComma, afterprop);
        } else if (value == "*") {
          cx.marked = "keyword";
          return cont(objprop);
        } else if (type == ":") {
          return pass(afterprop)
        }
      }
      function getterSetter(type) {
        if (type != "variable") return pass(afterprop);
        cx.marked = "property";
        return cont(functiondef);
      }
      function afterprop(type) {
        if (type == ":") return cont(expressionNoComma);
        if (type == "(") return pass(functiondef);
      }
      function commasep(what, end, sep) {
        function proceed(type, value) {
          if (sep ? sep.indexOf(type) > -1 : type == ",") {
            var lex = cx.state.lexical;
            if (lex.info == "call") lex.pos = (lex.pos || 0) + 1;
            return cont(function(type, value) {
              if (type == end || value == end) return pass()
              return pass(what)
            }, proceed);
          }
          if (type == end || value == end) return cont();
          return cont(expect(end));
        }
        return function(type, value) {
          if (type == end || value == end) return cont();
          return pass(what, proceed);
        };
      }
      function contCommasep(what, end, info) {
        for (var i = 3; i < arguments.length; i++)
          cx.cc.push(arguments[i]);
        return cont(pushlex(end, info), commasep(what, end), poplex);
      }
      function block(type) {
        if (type == "}") return cont();
        return pass(statement, block);
      }
      function maybetype(type, value) {
        if (isTS) {
          if (type == ":") return cont(typeexpr);
          if (value == "?") return cont(maybetype);
        }
      }
      function mayberettype(type) {
        if (isTS && type == ":") {
          if (cx.stream.match(/^\s*\w+\s+is\b/, false)) return cont(expression, isKW, typeexpr)
          else return cont(typeexpr)
        }
      }
      function isKW(_, value) {
        if (value == "is") {
          cx.marked = "keyword"
          return cont()
        }
      }
      function typeexpr(type, value) {
        if (type == "variable" || value == "void") {
          if (value == "keyof") {
            cx.marked = "keyword"
            return cont(typeexpr)
          } else {
            cx.marked = "type"
            return cont(afterType)
          }
        }
        if (type == "string" || type == "number" || type == "atom") return cont(afterType);
        if (type == "[") return cont(pushlex("]"), commasep(typeexpr, "]", ","), poplex, afterType)
        if (type == "{") return cont(pushlex("}"), commasep(typeprop, "}", ",;"), poplex, afterType)
        if (type == "(") return cont(commasep(typearg, ")"), maybeReturnType)
      }
      function maybeReturnType(type) {
        if (type == "=>") return cont(typeexpr)
      }
      function typeprop(type, value) {
        if (type == "variable" || cx.style == "keyword") {
          cx.marked = "property"
          return cont(typeprop)
        } else if (value == "?") {
          return cont(typeprop)
        } else if (type == ":") {
          return cont(typeexpr)
        } else if (type == "[") {
          return cont(expression, maybetype, expect("]"), typeprop)
        }
      }
      function typearg(type) {
        if (type == "variable") return cont(typearg)
        else if (type == ":") return cont(typeexpr)
      }
      function afterType(type, value) {
        if (value == "<") return cont(pushlex(">"), commasep(typeexpr, ">"), poplex, afterType)
        if (value == "|" || type == ".") return cont(typeexpr)
        if (type == "[") return cont(expect("]"), afterType)
        if (value == "extends") return cont(typeexpr)
      }
      function maybeTypeArgs(_, value) {
        if (value == "<") return cont(pushlex(">"), commasep(typeexpr, ">"), poplex, afterType)
      }
      function typeparam() {
        return pass(typeexpr, maybeTypeDefault)
      }
      function maybeTypeDefault(_, value) {
        if (value == "=") return cont(typeexpr)
      }
      function vardef() {
        return pass(pattern, maybetype, maybeAssign, vardefCont);
      }
      function pattern(type, value) {
        if (type == "modifier") return cont(pattern)
        if (type == "variable") { register(value); return cont(); }
        if (type == "spread") return cont(pattern);
        if (type == "[") return contCommasep(pattern, "]");
        if (type == "{") return contCommasep(proppattern, "}");
      }
      function proppattern(type, value) {
        if (type == "variable" && !cx.stream.match(/^\s*:/, false)) {
          register(value);
          return cont(maybeAssign);
        }
        if (type == "variable") cx.marked = "property";
        if (type == "spread") return cont(pattern);
        if (type == "}") return pass();
        return cont(expect(":"), pattern, maybeAssign);
      }
      function maybeAssign(_type, value) {
        if (value == "=") return cont(expressionNoComma);
      }
      function vardefCont(type) {
        if (type == ",") return cont(vardef);
      }
      function maybeelse(type, value) {
        if (type == "keyword b" && value == "else") return cont(pushlex("form", "else"), statement, poplex);
      }
      function forspec(type) {
        if (type == "(") return cont(pushlex(")"), forspec1, expect(")"), poplex);
      }
      function forspec1(type) {
        if (type == "var") return cont(vardef, expect(";"), forspec2);
        if (type == ";") return cont(forspec2);
        if (type == "variable") return cont(formaybeinof);
        return pass(expression, expect(";"), forspec2);
      }
      function formaybeinof(_type, value) {
        if (value == "in" || value == "of") { cx.marked = "keyword"; return cont(expression); }
        return cont(maybeoperatorComma, forspec2);
      }
      function forspec2(type, value) {
        if (type == ";") return cont(forspec3);
        if (value == "in" || value == "of") { cx.marked = "keyword"; return cont(expression); }
        return pass(expression, expect(";"), forspec3);
      }
      function forspec3(type) {
        if (type != ")") cont(expression);
      }
      function functiondef(type, value) {
        if (value == "*") {cx.marked = "keyword"; return cont(functiondef);}
        if (type == "variable") {register(value); return cont(functiondef);}
        if (type == "(") return cont(pushcontext, pushlex(")"), commasep(funarg, ")"), poplex, mayberettype, statement, popcontext);
        if (isTS && value == "<") return cont(pushlex(">"), commasep(typeparam, ">"), poplex, functiondef)
      }
      function funarg(type, value) {
        if (value == "@") cont(expression, funarg)
        if (type == "spread" || type == "modifier") return cont(funarg);
        return pass(pattern, maybetype, maybeAssign);
      }
      function classExpression(type, value) {
        // Class expressions may have an optional name.
        if (type == "variable") return className(type, value);
        return classNameAfter(type, value);
      }
      function className(type, value) {
        if (type == "variable") {register(value); return cont(classNameAfter);}
      }
      function classNameAfter(type, value) {
        if (value == "<") return cont(pushlex(">"), commasep(typeparam, ">"), poplex, classNameAfter)
        if (value == "extends" || value == "implements" || (isTS && type == ","))
          return cont(isTS ? typeexpr : expression, classNameAfter);
        if (type == "{") return cont(pushlex("}"), classBody, poplex);
      }
      function classBody(type, value) {
        if (type == "modifier" || type == "async" ||
            (type == "variable" &&
             (value == "static" || value == "get" || value == "set") &&
             cx.stream.match(/^\s+[\w$\xa1-\uffff]/, false))) {
          cx.marked = "keyword";
          return cont(classBody);
        }
        if (type == "variable" || cx.style == "keyword") {
          cx.marked = "property";
          return cont(isTS ? classfield : functiondef, classBody);
        }
        if (type == "[")
          return cont(expression, expect("]"), isTS ? classfield : functiondef, classBody)
        if (value == "*") {
          cx.marked = "keyword";
          return cont(classBody);
        }
        if (type == ";") return cont(classBody);
        if (type == "}") return cont();
        if (value == "@") return cont(expression, classBody)
      }
      function classfield(type, value) {
        if (value == "?") return cont(classfield)
        if (type == ":") return cont(typeexpr, maybeAssign)
        if (value == "=") return cont(expressionNoComma)
        return pass(functiondef)
      }
      function afterExport(type, value) {
        if (value == "*") { cx.marked = "keyword"; return cont(maybeFrom, expect(";")); }
        if (value == "default") { cx.marked = "keyword"; return cont(expression, expect(";")); }
        if (type == "{") return cont(commasep(exportField, "}"), maybeFrom, expect(";"));
        return pass(statement);
      }
      function exportField(type, value) {
        if (value == "as") { cx.marked = "keyword"; return cont(expect("variable")); }
        if (type == "variable") return pass(expressionNoComma, exportField);
      }
      function afterImport(type) {
        if (type == "string") return cont();
        return pass(importSpec, maybeMoreImports, maybeFrom);
      }
      function importSpec(type, value) {
        if (type == "{") return contCommasep(importSpec, "}");
        if (type == "variable") register(value);
        if (value == "*") cx.marked = "keyword";
        return cont(maybeAs);
      }
      function maybeMoreImports(type) {
        if (type == ",") return cont(importSpec, maybeMoreImports)
      }
      function maybeAs(_type, value) {
        if (value == "as") { cx.marked = "keyword"; return cont(importSpec); }
      }
      function maybeFrom(_type, value) {
        if (value == "from") { cx.marked = "keyword"; return cont(expression); }
      }
      function arrayLiteral(type) {
        if (type == "]") return cont();
        return pass(commasep(expressionNoComma, "]"));
      }
    
      function isContinuedStatement(state, textAfter) {
        return state.lastType == "operator" || state.lastType == "," ||
          isOperatorChar.test(textAfter.charAt(0)) ||
          /[,.]/.test(textAfter.charAt(0));
      }
    
      function expressionAllowed(stream, state, backUp) {
        return state.tokenize == tokenBase &&
          /^(?:operator|sof|keyword [bcd]|case|new|export|default|spread|[\[{}\(,;:]|=>)$/.test(state.lastType) ||
          (state.lastType == "quasi" && /\{\s*$/.test(stream.string.slice(0, stream.pos - (backUp || 0))))
      }
    
      // Interface
    
      return {
        startState: function(basecolumn) {
          var state = {
            tokenize: tokenBase,
            lastType: "sof",
            cc: [],
            lexical: new JSLexical((basecolumn || 0) - indentUnit, 0, "block", false),
            localVars: parserConfig.localVars,
            context: parserConfig.localVars && {vars: parserConfig.localVars},
            indented: basecolumn || 0
          };
          if (parserConfig.globalVars && typeof parserConfig.globalVars == "object")
            state.globalVars = parserConfig.globalVars;
          return state;
        },
    
        token: function(stream, state) {
          if (stream.sol()) {
            if (!state.lexical.hasOwnProperty("align"))
              state.lexical.align = false;
            state.indented = stream.indentation();
            findFatArrow(stream, state);
          }
          if (state.tokenize != tokenComment && stream.eatSpace()) return null;
          var style = state.tokenize(stream, state);
          if (type == "comment") return style;
          state.lastType = type == "operator" && (content == "++" || content == "--") ? "incdec" : type;
          return parseJS(state, style, type, content, stream);
        },
    
        indent: function(state, textAfter) {
          if (state.tokenize == tokenComment) return CodeMirror.Pass;
          if (state.tokenize != tokenBase) return 0;
          var firstChar = textAfter && textAfter.charAt(0), lexical = state.lexical, top
          // Kludge to prevent 'maybelse' from blocking lexical scope pops
          if (!/^\s*else\b/.test(textAfter)) for (var i = state.cc.length - 1; i >= 0; --i) {
            var c = state.cc[i];
            if (c == poplex) lexical = lexical.prev;
            else if (c != maybeelse) break;
          }
          while ((lexical.type == "stat" || lexical.type == "form") &&
                 (firstChar == "}" || ((top = state.cc[state.cc.length - 1]) &&
                                       (top == maybeoperatorComma || top == maybeoperatorNoComma) &&
                                       !/^[,\.=+\-*:?[\(]/.test(textAfter))))
            lexical = lexical.prev;
          if (statementIndent && lexical.type == ")" && lexical.prev.type == "stat")
            lexical = lexical.prev;
          var type = lexical.type, closing = firstChar == type;
    
          if (type == "vardef") return lexical.indented + (state.lastType == "operator" || state.lastType == "," ? lexical.info + 1 : 0);
          else if (type == "form" && firstChar == "{") return lexical.indented;
          else if (type == "form") return lexical.indented + indentUnit;
          else if (type == "stat")
            return lexical.indented + (isContinuedStatement(state, textAfter) ? statementIndent || indentUnit : 0);
          else if (lexical.info == "switch" && !closing && parserConfig.doubleIndentSwitch != false)
            return lexical.indented + (/^(?:case|default)\b/.test(textAfter) ? indentUnit : 2 * indentUnit);
          else if (lexical.align) return lexical.column + (closing ? 0 : 1);
          else return lexical.indented + (closing ? 0 : indentUnit);
        },
    
        electricInput: /^\s*(?:case .*?:|default:|\{|\})$/,
        blockCommentStart: jsonMode ? null : "/*",
        blockCommentEnd: jsonMode ? null : "*/",
        blockCommentContinue: jsonMode ? null : " * ",
        lineComment: jsonMode ? null : "//",
        fold: "brace",
        closeBrackets: "()[]{}''\"\"``",
    
        helperType: jsonMode ? "json" : "javascript",
        jsonldMode: jsonldMode,
        jsonMode: jsonMode,
    
        expressionAllowed: expressionAllowed,
    
        skipExpression: function(state) {
          var top = state.cc[state.cc.length - 1]
          if (top == expression || top == expressionNoComma) state.cc.pop()
        }
      };
    });
    
    CodeMirror.registerHelper("wordChars", "javascript", /[\w$]/);
    
    CodeMirror.defineMIME("text/javascript", "javascript");
    CodeMirror.defineMIME("text/ecmascript", "javascript");
    CodeMirror.defineMIME("application/javascript", "javascript");
    CodeMirror.defineMIME("application/x-javascript", "javascript");
    CodeMirror.defineMIME("application/ecmascript", "javascript");
    CodeMirror.defineMIME("application/json", {name: "javascript", json: true});
    CodeMirror.defineMIME("application/x-json", {name: "javascript", json: true});
    CodeMirror.defineMIME("application/ld+json", {name: "javascript", jsonld: true});
    CodeMirror.defineMIME("text/typescript", { name: "javascript", typescript: true });
    CodeMirror.defineMIME("application/typescript", { name: "javascript", typescript: true });
    
    });


Download modules/editor/codemirror/mode/javascript/javascript.js

History
Sun, 17 Dec 2017 01:14:09 +0100	Jan Dankert	Integration eines weiteren Code-Editors: Codemirror. Demnächst müssen wir hier mal aufräumen und andere Editoren rauswerfen.