Home | History | Annotate | Download | only in cm 
      1 CodeMirror.defineMode('shell', function() {
      2 
      3   var words = {};
      4   function define(style, string) {
      5     var split = string.split(' ');
      6     for(var i = 0; i < split.length; i++) {
      7       words[split[i]] = style;
      8     }
      9   };
     10 
     11   // Atoms
     12   define('atom', 'true false');
     13 
     14   // Keywords
     15   define('keyword', 'if then do else elif while until for in esac fi fin ' +
     16     'fil done exit set unset export function');
     17 
     18   // Commands
     19   define('builtin', 'ab awk bash beep cat cc cd chown chmod chroot clear cp ' +
     20     'curl cut diff echo find gawk gcc get git grep kill killall ln ls make ' +
     21     'mkdir openssl mv nc node npm ping ps restart rm rmdir sed service sh ' +
     22     'shopt shred source sort sleep ssh start stop su sudo tee telnet top ' +
     23     'touch vi vim wall wc wget who write yes zsh');
     24 
     25   function tokenBase(stream, state) {
     26 
     27     var sol = stream.sol();
     28     var ch = stream.next();
     29 
     30     if (ch === '\'' || ch === '"' || ch === '`') {
     31       state.tokens.unshift(tokenString(ch));
     32       return tokenize(stream, state);
     33     }
     34     if (ch === '#') {
     35       if (sol && stream.eat('!')) {
     36         stream.skipToEnd();
     37         return 'meta'; // 'comment'?
     38       }
     39       stream.skipToEnd();
     40       return 'comment';
     41     }
     42     if (ch === '$') {
     43       state.tokens.unshift(tokenDollar);
     44       return tokenize(stream, state);
     45     }
     46     if (ch === '+' || ch === '=') {
     47       return 'operator';
     48     }
     49     if (ch === '-') {
     50       stream.eat('-');
     51       stream.eatWhile(/\w/);
     52       return 'attribute';
     53     }
     54     if (/\d/.test(ch)) {
     55       stream.eatWhile(/\d/);
     56       if(!/\w/.test(stream.peek())) {
     57         return 'number';
     58       }
     59     }
     60     stream.eatWhile(/[\w-]/);
     61     var cur = stream.current();
     62     if (stream.peek() === '=' && /\w+/.test(cur)) return 'def';
     63     return words.hasOwnProperty(cur) ? words[cur] : null;
     64   }
     65 
     66   function tokenString(quote) {
     67     return function(stream, state) {
     68       var next, end = false, escaped = false;
     69       while ((next = stream.next()) != null) {
     70         if (next === quote && !escaped) {
     71           end = true;
     72           break;
     73         }
     74         if (next === '$' && !escaped && quote !== '\'') {
     75           escaped = true;
     76           stream.backUp(1);
     77           state.tokens.unshift(tokenDollar);
     78           break;
     79         }
     80         escaped = !escaped && next === '\\';
     81       }
     82       if (end || !escaped) {
     83         state.tokens.shift();
     84       }
     85       return (quote === '`' || quote === ')' ? 'quote' : 'string');
     86     };
     87   };
     88 
     89   var tokenDollar = function(stream, state) {
     90     if (state.tokens.length > 1) stream.eat('$');
     91     var ch = stream.next(), hungry = /\w/;
     92     if (ch === '{') hungry = /[^}]/;
     93     if (ch === '(') {
     94       state.tokens[0] = tokenString(')');
     95       return tokenize(stream, state);
     96     }
     97     if (!/\d/.test(ch)) {
     98       stream.eatWhile(hungry);
     99       stream.eat('}');
    100     }
    101     state.tokens.shift();
    102     return 'def';
    103   };
    104 
    105   function tokenize(stream, state) {
    106     return (state.tokens[0] || tokenBase) (stream, state);
    107   };
    108 
    109   return {
    110     startState: function() {return {tokens:[]};},
    111     token: function(stream, state) {
    112       if (stream.eatSpace()) return null;
    113       return tokenize(stream, state);
    114     }
    115   };
    116 });
    117 
    118 CodeMirror.defineMIME('text/x-sh', 'shell');
    119