| 'use strict'; |
| var hide = require('./_hide'); |
| var redefine = require('./_redefine'); |
| var fails = require('./_fails'); |
| var defined = require('./_defined'); |
| var wks = require('./_wks'); |
| |
| module.exports = function (KEY, length, exec) { |
| var SYMBOL = wks(KEY); |
| var fns = exec(defined, SYMBOL, ''[KEY]); |
| var strfn = fns[0]; |
| var 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); } |
| ); |
| } |
| }; |