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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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286 | 286 |
287 var lastIndex = this.lastIndex; | 287 var lastIndex = this.lastIndex; |
288 var cache = regExpCache; | 288 var cache = regExpCache; |
289 if (%_ObjectEquals(cache.type, 'test') && | 289 if (%_ObjectEquals(cache.type, 'test') && |
290 %_ObjectEquals(cache.regExp, this) && | 290 %_ObjectEquals(cache.regExp, this) && |
291 %_ObjectEquals(cache.subject, string) && | 291 %_ObjectEquals(cache.subject, string) && |
292 %_ObjectEquals(cache.lastIndex, lastIndex)) { | 292 %_ObjectEquals(cache.lastIndex, lastIndex)) { |
293 return cache.answer; | 293 return cache.answer; |
294 } | 294 } |
295 | 295 |
296 // Remove irrelevant '.*' around a test regexp. The expression | 296 // Remove irrelevant preceeding '.*' in a test regexp. The expression |
297 // checks whether this.source starts and ends with '.*' and that the third | 297 // checks whether this.source starts with '.*' and that the third |
298 // char is not a '?' and that the third to last char is not a '\'. | 298 // char is not a '?' |
299 if (%_StringCharCodeAt(this.source,0) == 46 && // '.' | 299 if (%_StringCharCodeAt(this.source,0) == 46 && // '.' |
300 %_StringCharCodeAt(this.source,1) == 42 && // '*' | 300 %_StringCharCodeAt(this.source,1) == 42 && // '*' |
301 %_StringCharCodeAt(this.source,2) != 63 && // '?' | 301 %_StringCharCodeAt(this.source,2) != 63) { // '?' |
302 %_StringCharCodeAt(this.source,this.source.length - 3) != 28 && // '\' | |
303 %_StringCharCodeAt(this.source,this.source.length - 2) == 46 && // '.' | |
304 %_StringCharCodeAt(this.source,this.source.length - 1) == 42) { // '*' | |
305 if (!%_ObjectEquals(regexp_key, this)) { | 302 if (!%_ObjectEquals(regexp_key, this)) { |
306 regexp_key = this; | 303 regexp_key = this; |
307 regexp_val = new $RegExp(this.source.substring(2, | 304 regexp_val = new $RegExp(this.source.substring(2, |
308 this.source.length - 2), | 305 this.source.length - 2), |
309 (this.global ? 'g' : '') | 306 (this.global ? 'g' : '') |
310 + (this.ignoreCase ? 'i' : '') | 307 + (this.ignoreCase ? 'i' : '') |
311 + (this.multiline ? 'm' : '')); | 308 + (this.multiline ? 'm' : '')); |
312 } | 309 } |
313 if (!regexp_val.test(s)) return false; | 310 if (!regexp_val.test(s)) return false; |
314 } | 311 } |
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541 %DefineAccessor($RegExp, "$'", SETTER, NoOpSetter, DONT_ENUM | DONT_DELETE); | 538 %DefineAccessor($RegExp, "$'", SETTER, NoOpSetter, DONT_ENUM | DONT_DELETE); |
542 | 539 |
543 for (var i = 1; i < 10; ++i) { | 540 for (var i = 1; i < 10; ++i) { |
544 %DefineAccessor($RegExp, '$' + i, GETTER, RegExpMakeCaptureGetter(i), DONT_D
ELETE); | 541 %DefineAccessor($RegExp, '$' + i, GETTER, RegExpMakeCaptureGetter(i), DONT_D
ELETE); |
545 %DefineAccessor($RegExp, '$' + i, SETTER, NoOpSetter, DONT_DELETE); | 542 %DefineAccessor($RegExp, '$' + i, SETTER, NoOpSetter, DONT_DELETE); |
546 } | 543 } |
547 } | 544 } |
548 | 545 |
549 | 546 |
550 SetupRegExp(); | 547 SetupRegExp(); |
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