text: // 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('shell', function() {
  
    var words = {};
    function define(style, string) {
      var split = string.split(' ');
      for(var i = 0; i < split.length; i++) {
        words[split[i]] = style;
      }
    };
  
    // Atoms
    define('atom', 'true false');
  
    // Keywords
    define('keyword', 'if then do else elif while until for in esac fi fin ' +
      'fil done exit set unset export function');
  
    // Commands
    define('builtin', 'ab awk bash beep cat cc cd chown chmod chroot clear cp ' +
      'curl cut diff echo find gawk gcc get git grep kill killall ln ls make ' +
      'mkdir openssl mv nc node npm ping ps restart rm rmdir sed service sh ' +
      'shopt shred source sort sleep ssh start stop su sudo tee telnet top ' +
      'touch vi vim wall wc wget who write yes zsh');
  
    function tokenBase(stream, state) {
      if (stream.eatSpace()) return null;
  
      var sol = stream.sol();
      var ch = stream.next();
  
      if (ch === '\\') {
        stream.next();
        return null;
      }
      if (ch === '\'' || ch === '"' || ch === '`') {
        state.tokens.unshift(tokenString(ch));
        return tokenize(stream, state);
      }
      if (ch === '#') {
        if (sol && stream.eat('!')) {
          stream.skipToEnd();
          return 'meta'; // 'comment'?
        }
        stream.skipToEnd();
        return 'comment';
      }
      if (ch === '$') {
        state.tokens.unshift(tokenDollar);
        return tokenize(stream, state);
      }
      if (ch === '+' || ch === '=') {
        return 'operator';
      }
      if (ch === '-') {
        stream.eat('-');
        stream.eatWhile(/\w/);
        return 'attribute';
      }
      if (/\d/.test(ch)) {
        stream.eatWhile(/\d/);
        if(stream.eol() || !/\w/.test(stream.peek())) {
          return 'number';
        }
      }
      stream.eatWhile(/[\w-]/);
      var cur = stream.current();
      if (stream.peek() === '=' && /\w+/.test(cur)) return 'def';
      return words.hasOwnProperty(cur) ? words[cur] : null;
    }
  
    function tokenString(quote) {
      return function(stream, state) {
        var next, end = false, escaped = false;
        while ((next = stream.next()) != null) {
          if (next === quote && !escaped) {
            end = true;
            break;
          }
          if (next === '$' && !escaped && quote !== '\'') {
            escaped = true;
            stream.backUp(1);
            state.tokens.unshift(tokenDollar);
            break;
          }
          escaped = !escaped && next === '\\';
        }
        if (end || !escaped) {
          state.tokens.shift();
        }
        return (quote === '`' || quote === ')' ? 'quote' : 'string');
      };
    };
  
    var tokenDollar = function(stream, state) {
      if (state.tokens.length > 1) stream.eat('$');
      var ch = stream.next(), hungry = /\w/;
      if (ch === '{') hungry = /[^}]/;
      if (ch === '(') {
        state.tokens[0] = tokenString(')');
        return tokenize(stream, state);
      }
      if (!/\d/.test(ch)) {
        stream.eatWhile(hungry);
        stream.eat('}');
      }
      state.tokens.shift();
      return 'def';
    };
  
    function tokenize(stream, state) {
      return (state.tokens[0] || tokenBase) (stream, state);
    };
  
    return {
      startState: function() {return {tokens:[]};},
      token: function(stream, state) {
        return tokenize(stream, state);
      },
      lineComment: '#',
      fold: "brace"
    };
  });
  
  CodeMirror.defineMIME('text/x-sh', 'shell');
  
  });
  