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1 // Copyright 2006-2009 the V8 project authors. All rights reserved. | 1 // Copyright 2006-2009 the V8 project authors. All rights reserved. |
2 // Redistribution and use in source and binary forms, with or without | 2 // Redistribution and use in source and binary forms, with or without |
3 // modification, are permitted provided that the following conditions are | 3 // modification, are permitted provided that the following conditions are |
4 // met: | 4 // met: |
5 // | 5 // |
6 // * Redistributions of source code must retain the above copyright | 6 // * Redistributions of source code must retain the above copyright |
7 // notice, this list of conditions and the following disclaimer. | 7 // notice, this list of conditions and the following disclaimer. |
8 // * Redistributions in binary form must reproduce the above | 8 // * Redistributions in binary form must reproduce the above |
9 // copyright notice, this list of conditions and the following | 9 // copyright notice, this list of conditions and the following |
10 // disclaimer in the documentation and/or other materials provided | 10 // disclaimer in the documentation and/or other materials provided |
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43 + (pattern.multiline ? 'm' : ''); | 43 + (pattern.multiline ? 'm' : ''); |
44 pattern = pattern.source; | 44 pattern = pattern.source; |
45 } | 45 } |
46 | 46 |
47 pattern = IS_UNDEFINED(pattern) ? '' : ToString(pattern); | 47 pattern = IS_UNDEFINED(pattern) ? '' : ToString(pattern); |
48 flags = IS_UNDEFINED(flags) ? '' : ToString(flags); | 48 flags = IS_UNDEFINED(flags) ? '' : ToString(flags); |
49 | 49 |
50 var global = false; | 50 var global = false; |
51 var ignoreCase = false; | 51 var ignoreCase = false; |
52 var multiline = false; | 52 var multiline = false; |
53 | |
54 for (var i = 0; i < flags.length; i++) { | 53 for (var i = 0; i < flags.length; i++) { |
55 var c = %_CallFunction(flags, i, StringCharAt); | 54 var c = %_CallFunction(flags, i, StringCharAt); |
56 switch (c) { | 55 switch (c) { |
57 case 'g': | 56 case 'g': |
58 // Allow duplicate flags to be consistent with JSC and others. | 57 if (global) { |
| 58 throw MakeSyntaxError("invalid_regexp_flags", [flags]); |
| 59 } |
59 global = true; | 60 global = true; |
60 break; | 61 break; |
61 case 'i': | 62 case 'i': |
| 63 if (ignoreCase) { |
| 64 throw MakeSyntaxError("invalid_regexp_flags", [flags]); |
| 65 } |
62 ignoreCase = true; | 66 ignoreCase = true; |
63 break; | 67 break; |
64 case 'm': | 68 case 'm': |
| 69 if (multiline) { |
| 70 throw MakeSyntaxError("invalid_regexp_flags", [flags]); |
| 71 } |
65 multiline = true; | 72 multiline = true; |
66 break; | 73 break; |
67 default: | 74 default: |
68 // Ignore flags that have no meaning to be consistent with | 75 throw MakeSyntaxError("invalid_regexp_flags", [flags]); |
69 // JSC. | |
70 break; | |
71 } | 76 } |
72 } | 77 } |
73 | 78 |
74 %RegExpInitializeObject(object, pattern, global, ignoreCase, multiline); | 79 %RegExpInitializeObject(object, pattern, global, ignoreCase, multiline); |
75 | 80 |
76 // Call internal function to compile the pattern. | 81 // Call internal function to compile the pattern. |
77 %RegExpCompile(object, pattern, flags); | 82 %RegExpCompile(object, pattern, flags); |
78 } | 83 } |
79 | 84 |
80 | 85 |
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474 %DefineAccessor($RegExp, "$'", SETTER, NoOpSetter, DONT_ENUM | DONT_DELETE); | 479 %DefineAccessor($RegExp, "$'", SETTER, NoOpSetter, DONT_ENUM | DONT_DELETE); |
475 | 480 |
476 for (var i = 1; i < 10; ++i) { | 481 for (var i = 1; i < 10; ++i) { |
477 %DefineAccessor($RegExp, '$' + i, GETTER, RegExpMakeCaptureGetter(i), DONT_D
ELETE); | 482 %DefineAccessor($RegExp, '$' + i, GETTER, RegExpMakeCaptureGetter(i), DONT_D
ELETE); |
478 %DefineAccessor($RegExp, '$' + i, SETTER, NoOpSetter, DONT_DELETE); | 483 %DefineAccessor($RegExp, '$' + i, SETTER, NoOpSetter, DONT_DELETE); |
479 } | 484 } |
480 } | 485 } |
481 | 486 |
482 | 487 |
483 SetupRegExp(); | 488 SetupRegExp(); |
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