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1 // Copyright 2014 the V8 project authors. All rights reserved. | 1 // Copyright 2014 the V8 project authors. All rights reserved. |
2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 (function(global, utils) { | 5 (function(global, utils) { |
6 | 6 |
7 'use strict'; | 7 'use strict'; |
8 | 8 |
9 %CheckIsBootstrapping(); | 9 %CheckIsBootstrapping(); |
10 | 10 |
11 // ------------------------------------------------------------------- | 11 // ------------------------------------------------------------------- |
12 // Imports | 12 // Imports |
13 | 13 |
14 var GlobalRegExp = global.RegExp; | 14 var GlobalRegExp = global.RegExp; |
15 var GlobalRegExpPrototype = GlobalRegExp.prototype; | |
16 var MakeTypeError; | 15 var MakeTypeError; |
17 var regExpFlagsSymbol = utils.ImportNow("regexp_flags_symbol"); | 16 var regExpFlagsSymbol = utils.ImportNow("regexp_flags_symbol"); |
18 | 17 |
19 utils.Import(function(from) { | 18 utils.Import(function(from) { |
20 MakeTypeError = from.MakeTypeError; | 19 MakeTypeError = from.MakeTypeError; |
21 }); | 20 }); |
22 | 21 |
23 // ------------------------------------------------------------------- | 22 // ------------------------------------------------------------------- |
24 | 23 |
25 // ES6 draft 12-06-13, section 21.2.5.3 | 24 // ES6 draft 12-06-13, section 21.2.5.3 |
26 // + https://bugs.ecmascript.org/show_bug.cgi?id=3423 | 25 // + https://bugs.ecmascript.org/show_bug.cgi?id=3423 |
27 function RegExpGetFlags() { | 26 function RegExpGetFlags() { |
28 if (!IS_RECEIVER(this)) { | 27 if (!IS_RECEIVER(this)) { |
29 throw MakeTypeError( | 28 throw MakeTypeError( |
30 kRegExpNonObject, "RegExp.prototype.flags", TO_STRING(this)); | 29 kRegExpNonObject, "RegExp.prototype.flags", TO_STRING(this)); |
31 } | 30 } |
32 var result = ''; | 31 var result = ''; |
33 if (this.global) result += 'g'; | 32 if (this.global) result += 'g'; |
34 if (this.ignoreCase) result += 'i'; | 33 if (this.ignoreCase) result += 'i'; |
35 if (this.multiline) result += 'm'; | 34 if (this.multiline) result += 'm'; |
36 if (this.unicode) result += 'u'; | 35 if (this.unicode) result += 'u'; |
37 if (this.sticky) result += 'y'; | 36 if (this.sticky) result += 'y'; |
38 return result; | 37 return result; |
39 } | 38 } |
40 | 39 |
41 const kRegExpPrototypeStickyGetter = 11; | |
42 | 40 |
43 // ES6 21.2.5.12. | 41 // ES6 21.2.5.12. |
44 function RegExpGetSticky() { | 42 function RegExpGetSticky() { |
45 if (!IS_REGEXP(this)) { | 43 if (!IS_REGEXP(this)) { |
46 // Compat fix: RegExp.prototype.sticky == undefined; UseCounter tracks it | |
47 // TODO(littledan): Remove this workaround or standardize it | |
48 if (this === GlobalRegExpPrototype) { | |
49 %IncrementUseCounter(kRegExpPrototypeStickyGetter); | |
50 return UNDEFINED; | |
51 } | |
52 throw MakeTypeError(kRegExpNonRegExp, "RegExp.prototype.sticky"); | 44 throw MakeTypeError(kRegExpNonRegExp, "RegExp.prototype.sticky"); |
53 } | 45 } |
54 return !!REGEXP_STICKY(this); | 46 return !!REGEXP_STICKY(this); |
55 } | 47 } |
56 %FunctionSetName(RegExpGetSticky, "RegExp.prototype.sticky"); | 48 %FunctionSetName(RegExpGetSticky, "RegExp.prototype.sticky"); |
57 %SetNativeFlag(RegExpGetSticky); | 49 %SetNativeFlag(RegExpGetSticky); |
58 | 50 |
59 | 51 |
60 // ES6 21.2.5.15. | 52 // ES6 21.2.5.15. |
61 function RegExpGetUnicode() { | 53 function RegExpGetUnicode() { |
62 if (!IS_REGEXP(this)) { | 54 if (!IS_REGEXP(this)) { |
63 throw MakeTypeError(kRegExpNonRegExp, "RegExp.prototype.unicode"); | 55 throw MakeTypeError(kRegExpNonRegExp, "RegExp.prototype.unicode"); |
64 } | 56 } |
65 return !!REGEXP_UNICODE(this); | 57 return !!REGEXP_UNICODE(this); |
66 } | 58 } |
67 %FunctionSetName(RegExpGetUnicode, "RegExp.prototype.unicode"); | 59 %FunctionSetName(RegExpGetUnicode, "RegExp.prototype.unicode"); |
68 %SetNativeFlag(RegExpGetUnicode); | 60 %SetNativeFlag(RegExpGetUnicode); |
69 | 61 |
70 utils.InstallGetter(GlobalRegExp.prototype, 'flags', RegExpGetFlags); | 62 utils.InstallGetter(GlobalRegExp.prototype, 'flags', RegExpGetFlags); |
71 utils.InstallGetter(GlobalRegExp.prototype, 'sticky', RegExpGetSticky); | 63 utils.InstallGetter(GlobalRegExp.prototype, 'sticky', RegExpGetSticky); |
72 utils.InstallGetter(GlobalRegExp.prototype, 'unicode', RegExpGetUnicode); | 64 utils.InstallGetter(GlobalRegExp.prototype, 'unicode', RegExpGetUnicode); |
73 | 65 |
74 }) | 66 }) |
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