| 'use strict'; |
| var hide = require('./_hide') |
| , redefine = require('./_redefine') |
| , fails = require('./_fails') |
| , defined = require('./_defined') |
| , wks = require('./_wks'); |
| |
| module.exports = function(KEY, length, exec){ |
| var SYMBOL = wks(KEY) |
| , fns = exec(defined, SYMBOL, ''[KEY]) |
| , strfn = fns[0] |
| , rxfn = fns[1]; |
| if(fails(function(){ |
| var O = {}; |
| O[SYMBOL] = function(){ return 7; }; |
| return ''[KEY](O) != 7; |
| })){ |
| redefine(String.prototype, KEY, strfn); |
| hide(RegExp.prototype, SYMBOL, length == 2 |
| // 21.2.5.8 RegExp.prototype[@@replace](string, replaceValue) |
| // 21.2.5.11 RegExp.prototype[@@split](string, limit) |
| ? function(string, arg){ return rxfn.call(string, this, arg); } |
| // 21.2.5.6 RegExp.prototype[@@match](string) |
| // 21.2.5.9 RegExp.prototype[@@search](string) |
| : function(string){ return rxfn.call(string, this); } |
| ); |
| } |
| }; |