Subversion-Projekte lars-tiefland.ci

// 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("go", function(config) {

  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 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\$_\xa1-\uffff]/);

    var cur = stream.current();

    if (keywords.propertyIsEnumerable(cur)) {

      if (cur == "case" || cur == "default") curPunc = "case";

      return "keyword";

    }

    if (atoms.propertyIsEnumerable(cur)) return "atom";

    return "variable";

  }

  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 && quote != "`" && 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) {

    if (!state.context.prev) return;

    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: "{}):",

    fold: "brace",

    blockCommentStart: "/*",

    blockCommentEnd: "*/",

    lineComment: "//"

  };

});

CodeMirror.defineMIME("text/x-go", "go");

});