Incs/codemirror/mode/stylus/stylus.js

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// CodeMirror, copyright (c) by Marijn Haverbeke and others
// Distributed under an MIT license: https://codemirror.net/LICENSE

// Stylus mode created by Dmitry Kiselyov http://git.io/AaRB

(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 indentUnit = config.indentUnit,
        indentUnitString = '',
        tagKeywords = keySet(tagKeywords_),
        tagVariablesRegexp = /^(a|b|i|s|col|em)$/i,
        propertyKeywords = keySet(propertyKeywords_),
        nonStandardPropertyKeywords = keySet(nonStandardPropertyKeywords_),
        valueKeywords = keySet(valueKeywords_),
        colorKeywords = keySet(colorKeywords_),
        documentTypes = keySet(documentTypes_),
        documentTypesRegexp = wordRegexp(documentTypes_),
        mediaFeatures = keySet(mediaFeatures_),
        mediaTypes = keySet(mediaTypes_),
        fontProperties = keySet(fontProperties_),
        operatorsRegexp = /^\s*([.]{2,3}|&&|\|\||\*\*|[?!=:]?=|[-+*\/%<>]=?|\?:|\~)/,
        wordOperatorKeywordsRegexp = wordRegexp(wordOperatorKeywords_),
        blockKeywords = keySet(blockKeywords_),
        vendorPrefixesRegexp = new RegExp(/^\-(moz|ms|o|webkit)-/i),
        commonAtoms = keySet(commonAtoms_),
        firstWordMatch = "",
        states = {},
        ch,
        style,
        type,
        override;

    while (indentUnitString.length < indentUnit) indentUnitString += ' ';

    /**
     * Tokenizers
     */
    function tokenBase(stream, state) {
      firstWordMatch = stream.string.match(/(^[\w-]+\s*=\s*$)|(^\s*[\w-]+\s*=\s*[\w-])|(^\s*(\.|#|@|\$|\&|\[|\d|\+|::?|\{|\>|~|\/)?\s*[\w-]*([a-z0-9-]|\*|\/\*)(\(|,)?)/);
      state.context.line.firstWord = firstWordMatch ? firstWordMatch[0].replace(/^\s*/, "") : "";
      state.context.line.indent = stream.indentation();
      ch = stream.peek();

      // Line comment
      if (stream.match("//")) {
        stream.skipToEnd();
        return ["comment", "comment"];
      }
      // Block comment
      if (stream.match("/*")) {
        state.tokenize = tokenCComment;