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   1  // CodeMirror, copyright (c) by Marijn Haverbeke and others
   2  // Distributed under an MIT license: https://codemirror.net/5/LICENSE
   3  
   4  /**
   5   * Link to the project's GitHub page:
   6   * https://github.com/duralog/CodeMirror
   7   */
   8  
   9  (function(mod) {
  10    if (typeof exports == "object" && typeof module == "object") // CommonJS
  11      mod(require("../../lib/codemirror"));
  12    else if (typeof define == "function" && define.amd) // AMD
  13      define(["../../lib/codemirror"], mod);
  14    else // Plain browser env
  15      mod(CodeMirror);
  16  })(function(CodeMirror) {
  17    "use strict";
  18  
  19    CodeMirror.defineMode('livescript', function(){
  20      var tokenBase = function(stream, state) {
  21        var next_rule = state.next || "start";
  22        if (next_rule) {
  23          state.next = state.next;
  24          var nr = Rules[next_rule];
  25          if (nr.splice) {
  26            for (var i$ = 0; i$ < nr.length; ++i$) {
  27              var r = nr[i$];
  28              if (r.regex && stream.match(r.regex)) {
  29                state.next = r.next || state.next;
  30                return r.token;
  31              }
  32            }
  33            stream.next();
  34            return 'error';
  35          }
  36          if (stream.match(r = Rules[next_rule])) {
  37            if (r.regex && stream.match(r.regex)) {
  38              state.next = r.next;
  39              return r.token;
  40            } else {
  41              stream.next();
  42              return 'error';
  43            }
  44          }
  45        }
  46        stream.next();
  47        return 'error';
  48      };
  49      var external = {
  50        startState: function(){
  51          return {
  52            next: 'start',
  53            lastToken: {style: null, indent: 0, content: ""}
  54          };
  55        },
  56        token: function(stream, state){
  57          while (stream.pos == stream.start)
  58            var style = tokenBase(stream, state);
  59          state.lastToken = {
  60            style: style,
  61            indent: stream.indentation(),
  62            content: stream.current()
  63          };
  64          return style.replace(/\./g, ' ');
  65        },
  66        indent: function(state){
  67          var indentation = state.lastToken.indent;
  68          if (state.lastToken.content.match(indenter)) {
  69            indentation += 2;
  70          }
  71          return indentation;
  72        }
  73      };
  74      return external;
  75    });
  76  
  77    var identifier = '(?![\\d\\s])[$\\w\\xAA-\\uFFDC](?:(?!\\s)[$\\w\\xAA-\\uFFDC]|-[A-Za-z])*';
  78    var indenter = RegExp('(?:[({[=:]|[-~]>|\\b(?:e(?:lse|xport)|d(?:o|efault)|t(?:ry|hen)|finally|import(?:\\s*all)?|const|var|let|new|catch(?:\\s*' + identifier + ')?))\\s*$');
  79    var keywordend = '(?![$\\w]|-[A-Za-z]|\\s*:(?![:=]))';
  80    var stringfill = {
  81      token: 'string',
  82      regex: '.+'
  83    };
  84    var Rules = {
  85      start: [
  86        {
  87          token: 'comment.doc',
  88          regex: '/\\*',
  89          next: 'comment'
  90        }, {
  91          token: 'comment',
  92          regex: '#.*'
  93        }, {
  94          token: 'keyword',
  95          regex: '(?:t(?:h(?:is|row|en)|ry|ypeof!?)|c(?:on(?:tinue|st)|a(?:se|tch)|lass)|i(?:n(?:stanceof)?|mp(?:ort(?:\\s+all)?|lements)|[fs])|d(?:e(?:fault|lete|bugger)|o)|f(?:or(?:\\s+own)?|inally|unction)|s(?:uper|witch)|e(?:lse|x(?:tends|port)|val)|a(?:nd|rguments)|n(?:ew|ot)|un(?:less|til)|w(?:hile|ith)|o[fr]|return|break|let|var|loop)' + keywordend
  96        }, {
  97          token: 'constant.language',
  98          regex: '(?:true|false|yes|no|on|off|null|void|undefined)' + keywordend
  99        }, {
 100          token: 'invalid.illegal',
 101          regex: '(?:p(?:ackage|r(?:ivate|otected)|ublic)|i(?:mplements|nterface)|enum|static|yield)' + keywordend
 102        }, {
 103          token: 'language.support.class',
 104          regex: '(?:R(?:e(?:gExp|ferenceError)|angeError)|S(?:tring|yntaxError)|E(?:rror|valError)|Array|Boolean|Date|Function|Number|Object|TypeError|URIError)' + keywordend
 105        }, {
 106          token: 'language.support.function',
 107          regex: '(?:is(?:NaN|Finite)|parse(?:Int|Float)|Math|JSON|(?:en|de)codeURI(?:Component)?)' + keywordend
 108        }, {
 109          token: 'variable.language',
 110          regex: '(?:t(?:hat|il|o)|f(?:rom|allthrough)|it|by|e)' + keywordend
 111        }, {
 112          token: 'identifier',
 113          regex: identifier + '\\s*:(?![:=])'
 114        }, {
 115          token: 'variable',
 116          regex: identifier
 117        }, {
 118          token: 'keyword.operator',
 119          regex: '(?:\\.{3}|\\s+\\?)'
 120        }, {
 121          token: 'keyword.variable',
 122          regex: '(?:@+|::|\\.\\.)',
 123          next: 'key'
 124        }, {
 125          token: 'keyword.operator',
 126          regex: '\\.\\s*',
 127          next: 'key'
 128        }, {
 129          token: 'string',
 130          regex: '\\\\\\S[^\\s,;)}\\]]*'
 131        }, {
 132          token: 'string.doc',
 133          regex: '\'\'\'',
 134          next: 'qdoc'
 135        }, {
 136          token: 'string.doc',
 137          regex: '"""',
 138          next: 'qqdoc'
 139        }, {
 140          token: 'string',
 141          regex: '\'',
 142          next: 'qstring'
 143        }, {
 144          token: 'string',
 145          regex: '"',
 146          next: 'qqstring'
 147        }, {
 148          token: 'string',
 149          regex: '`',
 150          next: 'js'
 151        }, {
 152          token: 'string',
 153          regex: '<\\[',
 154          next: 'words'
 155        }, {
 156          token: 'string.regex',
 157          regex: '//',
 158          next: 'heregex'
 159        }, {
 160          token: 'string.regex',
 161          regex: '\\/(?:[^[\\/\\n\\\\]*(?:(?:\\\\.|\\[[^\\]\\n\\\\]*(?:\\\\.[^\\]\\n\\\\]*)*\\])[^[\\/\\n\\\\]*)*)\\/[gimy$]{0,4}',
 162          next: 'key'
 163        }, {
 164          token: 'constant.numeric',
 165          regex: '(?:0x[\\da-fA-F][\\da-fA-F_]*|(?:[2-9]|[12]\\d|3[0-6])r[\\da-zA-Z][\\da-zA-Z_]*|(?:\\d[\\d_]*(?:\\.\\d[\\d_]*)?|\\.\\d[\\d_]*)(?:e[+-]?\\d[\\d_]*)?[\\w$]*)'
 166        }, {
 167          token: 'lparen',
 168          regex: '[({[]'
 169        }, {
 170          token: 'rparen',
 171          regex: '[)}\\]]',
 172          next: 'key'
 173        }, {
 174          token: 'keyword.operator',
 175          regex: '\\S+'
 176        }, {
 177          token: 'text',
 178          regex: '\\s+'
 179        }
 180      ],
 181      heregex: [
 182        {
 183          token: 'string.regex',
 184          regex: '.*?//[gimy$?]{0,4}',
 185          next: 'start'
 186        }, {
 187          token: 'string.regex',
 188          regex: '\\s*#{'
 189        }, {
 190          token: 'comment.regex',
 191          regex: '\\s+(?:#.*)?'
 192        }, {
 193          token: 'string.regex',
 194          regex: '\\S+'
 195        }
 196      ],
 197      key: [
 198        {
 199          token: 'keyword.operator',
 200          regex: '[.?@!]+'
 201        }, {
 202          token: 'identifier',
 203          regex: identifier,
 204          next: 'start'
 205        }, {
 206          token: 'text',
 207          regex: '',
 208          next: 'start'
 209        }
 210      ],
 211      comment: [
 212        {
 213          token: 'comment.doc',
 214          regex: '.*?\\*/',
 215          next: 'start'
 216        }, {
 217          token: 'comment.doc',
 218          regex: '.+'
 219        }
 220      ],
 221      qdoc: [
 222        {
 223          token: 'string',
 224          regex: ".*?'''",
 225          next: 'key'
 226        }, stringfill
 227      ],
 228      qqdoc: [
 229        {
 230          token: 'string',
 231          regex: '.*?"""',
 232          next: 'key'
 233        }, stringfill
 234      ],
 235      qstring: [
 236        {
 237          token: 'string',
 238          regex: '[^\\\\\']*(?:\\\\.[^\\\\\']*)*\'',
 239          next: 'key'
 240        }, stringfill
 241      ],
 242      qqstring: [
 243        {
 244          token: 'string',
 245          regex: '[^\\\\"]*(?:\\\\.[^\\\\"]*)*"',
 246          next: 'key'
 247        }, stringfill
 248      ],
 249      js: [
 250        {
 251          token: 'string',
 252          regex: '[^\\\\`]*(?:\\\\.[^\\\\`]*)*`',
 253          next: 'key'
 254        }, stringfill
 255      ],
 256      words: [
 257        {
 258          token: 'string',
 259          regex: '.*?\\]>',
 260          next: 'key'
 261        }, stringfill
 262      ]
 263    };
 264    for (var idx in Rules) {
 265      var r = Rules[idx];
 266      if (r.splice) {
 267        for (var i = 0, len = r.length; i < len; ++i) {
 268          var rr = r[i];
 269          if (typeof rr.regex === 'string') {
 270            Rules[idx][i].regex = new RegExp('^' + rr.regex);
 271          }
 272        }
 273      } else if (typeof rr.regex === 'string') {
 274        Rules[idx].regex = new RegExp('^' + r.regex);
 275      }
 276    }
 277  
 278    CodeMirror.defineMIME('text/x-livescript', 'livescript');
 279  
 280  });