1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
|
// Copyright 2014 the V8 project authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
(function(global, utils) {
'use strict';
%CheckIsBootstrapping();
// -------------------------------------------------------------------
// Imports
var GlobalRegExp = global.RegExp;
var MakeTypeError;
var regExpFlagsSymbol = utils.ImportNow("regexp_flags_symbol");
utils.Import(function(from) {
MakeTypeError = from.MakeTypeError;
});
// -------------------------------------------------------------------
// ES6 draft 12-06-13, section 21.2.5.3
// + https://bugs.ecmascript.org/show_bug.cgi?id=3423
function RegExpGetFlags() {
if (!IS_SPEC_OBJECT(this)) {
throw MakeTypeError(
kRegExpNonObject, "RegExp.prototype.flags", TO_STRING(this));
}
var result = '';
if (this.global) result += 'g';
if (this.ignoreCase) result += 'i';
if (this.multiline) result += 'm';
if (this.unicode) result += 'u';
if (this.sticky) result += 'y';
return result;
}
// ES6 21.2.5.12.
function RegExpGetSticky() {
if (!IS_REGEXP(this)) {
throw MakeTypeError(kRegExpNonRegExp, "RegExp.prototype.sticky");
}
return !!REGEXP_STICKY(this);
}
%FunctionSetName(RegExpGetSticky, "RegExp.prototype.sticky");
%SetNativeFlag(RegExpGetSticky);
// ES6 21.2.5.15.
function RegExpGetUnicode() {
if (!IS_REGEXP(this)) {
throw MakeTypeError(kRegExpNonRegExp, "RegExp.prototype.unicode");
}
return !!REGEXP_UNICODE(this);
}
%FunctionSetName(RegExpGetUnicode, "RegExp.prototype.unicode");
%SetNativeFlag(RegExpGetUnicode);
utils.InstallGetter(GlobalRegExp.prototype, 'flags', RegExpGetFlags);
utils.InstallGetter(GlobalRegExp.prototype, 'sticky', RegExpGetSticky);
utils.InstallGetter(GlobalRegExp.prototype, 'unicode', RegExpGetUnicode);
})
|