src/main/webapp/plugins/editor.md/lib/codemirror/mode/stylus/stylus.js

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

    var operatorsRegexp = /^(\?:?|\+[+=]?|-[\-=]?|\*[\*=]?|\/=?|[=!:\?]?=|<=?|>=?|%=?|&&|\|=?|\~|!|\^|\\)/,
        delimitersRegexp = /^(?:[()\[\]{},:`=;]|\.\.?\.?)/,
        wordOperatorsRegexp = wordRegexp(wordOperators),
        commonKeywordsRegexp = wordRegexp(commonKeywords),
        commonAtomsRegexp = wordRegexp(commonAtoms),
        commonDefRegexp = wordRegexp(commonDef),
        vendorPrefixesRegexp = new RegExp(/^\-(moz|ms|o|webkit)-/),
        cssValuesWithBracketsRegexp = new RegExp("^(" + cssValuesWithBrackets_.join("|") + ")\\([\\w\-\\#\\,\\.\\%\\s\\(\\)]*\\)");

    var tokenBase = function(stream, state) {

      if (stream.eatSpace()) return null;

      var ch = stream.peek();

      // Single line Comment
      if (stream.match('//')) {
        stream.skipToEnd();
        return "comment";
      }

      // Multiline Comment
      if (stream.match('/*')) {
        state.tokenizer = multilineComment;
        return state.tokenizer(stream, state);
      }

      // Strings
      if (ch === '"' || ch === "'") {
        stream.next();
        state.tokenizer = buildStringTokenizer(ch);
        return "string";
      }

      // Def
      if (ch === "@") {
        stream.next();
        if (stream.match(/extend/)) {
          dedent(state); // remove indentation after selectors
        } else if (stream.match(/media[\w-\s]*[\w-]/)) {
          indent(state);
        } else if(stream.eatWhile(/[\w-]/)) {
          if(stream.current().match(commonDefRegexp)) {
            indent(state);
          }