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mobile-query-three-www-live-playground-vendor-CodeMirror2-mode-go-go.js / js



  CodeMirror.defineMode("go", function(config, parserConfig) {
    var indentUnit = config.indentUnit;
  
    var keywords = {
      "break":true, "case":true, "chan":true, "const":true, "continue":true,
      "default":true, "defer":true, "else":true, "fallthrough":true, "for":true,
      "func":true, "go":true, "goto":true, "if":true, "import":true,
      "interface":true, "map":true, "package":true, "range":true, "return":true,
      "select":true, "struct":true, "switch":true, "type":true, "var":true,
      "bool":true, "byte":true, "complex64":true, "complex128":true,
      "float32":true, "float64":true, "int8":true, "int16":true, "int32":true,
      "int64":true, "string":true, "uint8":true, "uint16":true, "uint32":true,
      "uint64":true, "int":true, "uint":true, "uintptr":true
    };
  
    var atoms = {
      "true":true, "false":true, "iota":true, "nil":true, "append":true,
      "cap":true, "close":true, "complex":true, "copy":true, "imag":true,
      "len":true, "make":true, "new":true, "panic":true, "print":true,
      "println":true, "real":true, "recover":true
    };
  
    var blockKeywords = {
      "else":true, "for":true, "func":true, "if":true, "interface":true,
      "select":true, "struct":true, "switch":true
    };
  
    var isOperatorChar = /[+\-*&^%:=<>!|\/]/;
  
    var curPunc;
  
    function tokenBase(stream, state) {
      var ch = stream.next();
      if (ch == '"' || ch == "'" || ch == "`") {
        state.tokenize = tokenString(ch);
        return state.tokenize(stream, state);
      }
      if (/[\d\.]/.test(ch)) {
        if (ch == ".") {
          stream.match(/^[0-9]+([eE][\-+]?[0-9]+)?/);
        } else if (ch == "0") {
          stream.match(/^[xX][0-9a-fA-F]+/) || stream.match(/^0[0-7]+/);
        } else {
          stream.match(/^[0-9]*\.?[0-9]*([eE][\-+]?[0-9]+)?/);
        }
        return "number";
      }
      if (/[\[\]{}\(\),; \.]/.test(ch)) {
        curPunc = ch;
        return null
      }
      if (ch == "/") {
        if (stream.eat("*")) {
          state.tokenize = tokenComment;
          return tokenComment(stream, state);
        }
        if (stream.eat("/")) {
          stream.skipToEnd();
          return "comment";
        }
      }
      if (isOperatorChar.test(ch)) {
        stream.eatWhile(isOperatorChar);
        return "operator";
      }
      stream.eatWhile(/[\w$_]/);
      var cur = stream.current();
      if (keywords.propertyIsEnumerable(cur)) {
        if (cur == "case" || cur == "default") curPunc = "case";
        return "keyword";
      }
      if (atoms.propertyIsEnumerable(cur)) return "atom";
      return "word";
    }
  
    function tokenString(quote) {
      return function(stream, state) {
        var escaped = false, next, end = false;
        while ((next = stream.next()) != null) {
          if (next == quote && !escaped) {end = true; break;}
          escaped = !escaped && next == "\\";
        }
        if (end || !(escaped || quote == "`"))
          state.tokenize = tokenBase;
        return "string";
      };
    }
  
    function tokenComment(stream, state) {
      var maybeEnd = false, ch;
      while (ch = stream.next()) {
        if (ch == "/" && maybeEnd) {
          state.tokenize = tokenBase;
          break;
        }
        maybeEnd = (ch == "*");
      }
      return "comment";
    }
  
    function Context(indented, column, type, align, prev) {
      this.indented = indented;
      this.column = column;
      this.type = type;
      this.align = align;
      this.prev = prev;
    }
    function pushContext(state, col, type) {
      return state.context = new Context(state.indented, col, type, null, state.context);
    }
    function popContext(state) {
      var t = state.context.type;
      if (t == ")" || t == "]" || t == "}")
        state.indented = state.context.indented;
      return state.context = state.context.prev;
    }
  
    // Interface
  
    return {
      startState: function(basecolumn) {
        return {
          tokenize: null,
          context: new Context((basecolumn || 0) - indentUnit, 0, "top", false),
          indented: 0,
          startOfLine: true
        };
      },
  
      token: function(stream, state) {
        var ctx = state.context;
        if (stream.sol()) {
          if (ctx.align == null) ctx.align = false;
          state.indented = stream.indentation();
          state.startOfLine = true;
          if (ctx.type == "case") ctx.type = "}";
        }
        if (stream.eatSpace()) return null;
        curPunc = null;
        var style = (state.tokenize || tokenBase)(stream, state);
        if (style == "comment") return style;
        if (ctx.align == null) ctx.align = true;
  
        if (curPunc == "{") pushContext(state, stream.column(), "}");
        else if (curPunc == "[") pushContext(state, stream.column(), "]");
        else if (curPunc == "(") pushContext(state, stream.column(), ")");
        else if (curPunc == "case") ctx.type = "case"
        else if (curPunc == "}" && ctx.type == "}") ctx = popContext(state);
        else if (curPunc == ctx.type) popContext(state);
        state.startOfLine = false;
        return style;
      },
  
      indent: function(state, textAfter) {
        if (state.tokenize != tokenBase && state.tokenize != null) return 0;
        var ctx = state.context, firstChar = textAfter && textAfter.charAt(0);
        if (ctx.type == "case" && /^(?:case|default)\b/.test(textAfter)) {
          state.context.type = "}";
          return ctx.indented;
        }
        var closing = firstChar == ctx.type;
        if (ctx.align) return ctx.column + (closing ? 0 : 1);
        else return ctx.indented + (closing ? 0 : indentUnit);
      },
  
      electricChars: "{}:"
    };
  });
  
  CodeMirror.defineMIME("text/x-go", "go");
  


(C) Æliens 04/09/2009

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