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Issue 6577036: [Isolates] Merge from bleeding_edge to isolates, revisions 6100-6300. (Closed) Base URL: http://v8.googlecode.com/svn/branches/experimental/isolates/
Patch Set: '' Created 9 years, 10 months ago
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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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431 // internally. 431 // internally.
432 return (IrregexpNumberOfCaptures(FixedArray::cast(regexp->data())) + 1) * 2; 432 return (IrregexpNumberOfCaptures(FixedArray::cast(regexp->data())) + 1) * 2;
433 #endif // V8_INTERPRETED_REGEXP 433 #endif // V8_INTERPRETED_REGEXP
434 } 434 }
435 435
436 436
437 RegExpImpl::IrregexpResult RegExpImpl::IrregexpExecOnce( 437 RegExpImpl::IrregexpResult RegExpImpl::IrregexpExecOnce(
438 Handle<JSRegExp> regexp, 438 Handle<JSRegExp> regexp,
439 Handle<String> subject, 439 Handle<String> subject,
440 int index, 440 int index,
441 Vector<int32_t> output) { 441 Vector<int> output) {
442 Handle<FixedArray> irregexp(FixedArray::cast(regexp->data())); 442 Handle<FixedArray> irregexp(FixedArray::cast(regexp->data()));
443 443
444 ASSERT(index >= 0); 444 ASSERT(index >= 0);
445 ASSERT(index <= subject->length()); 445 ASSERT(index <= subject->length());
446 ASSERT(subject->IsFlat()); 446 ASSERT(subject->IsFlat());
447 447
448 // A flat ASCII string might have a two-byte first part. 448 // A flat ASCII string might have a two-byte first part.
449 if (subject->IsConsString()) { 449 if (subject->IsConsString()) {
450 subject = Handle<String>(ConsString::cast(*subject)->first()); 450 subject = Handle<String>(ConsString::cast(*subject)->first());
451 } 451 }
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528 int required_registers = RegExpImpl::IrregexpPrepare(jsregexp, subject); 528 int required_registers = RegExpImpl::IrregexpPrepare(jsregexp, subject);
529 if (required_registers < 0) { 529 if (required_registers < 0) {
530 // Compiling failed with an exception. 530 // Compiling failed with an exception.
531 ASSERT(Isolate::Current()->has_pending_exception()); 531 ASSERT(Isolate::Current()->has_pending_exception());
532 return Handle<Object>::null(); 532 return Handle<Object>::null();
533 } 533 }
534 534
535 OffsetsVector registers(required_registers); 535 OffsetsVector registers(required_registers);
536 536
537 IrregexpResult res = RegExpImpl::IrregexpExecOnce( 537 IrregexpResult res = RegExpImpl::IrregexpExecOnce(
538 jsregexp, subject, previous_index, Vector<int32_t>(registers.vector(), 538 jsregexp, subject, previous_index, Vector<int>(registers.vector(),
539 registers.length())); 539 registers.length()));
540 if (res == RE_SUCCESS) { 540 if (res == RE_SUCCESS) {
541 int capture_register_count = 541 int capture_register_count =
542 (IrregexpNumberOfCaptures(FixedArray::cast(jsregexp->data())) + 1) * 2; 542 (IrregexpNumberOfCaptures(FixedArray::cast(jsregexp->data())) + 1) * 2;
543 last_match_info->EnsureSize(capture_register_count + kLastMatchOverhead); 543 last_match_info->EnsureSize(capture_register_count + kLastMatchOverhead);
544 AssertNoAllocation no_gc; 544 AssertNoAllocation no_gc;
545 int* register_vector = registers.vector(); 545 int* register_vector = registers.vector();
546 FixedArray* array = FixedArray::cast(last_match_info->elements()); 546 FixedArray* array = FixedArray::cast(last_match_info->elements());
547 for (int i = 0; i < capture_register_count; i += 2) { 547 for (int i = 0; i < capture_register_count; i += 2) {
548 SetCapture(array, i, register_vector[i]); 548 SetCapture(array, i, register_vector[i]);
549 SetCapture(array, i + 1, register_vector[i + 1]); 549 SetCapture(array, i + 1, register_vector[i + 1]);
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5352 } 5352 }
5353 5353
5354 return compiler.Assemble(&macro_assembler, 5354 return compiler.Assemble(&macro_assembler,
5355 node, 5355 node,
5356 data->capture_count, 5356 data->capture_count,
5357 pattern); 5357 pattern);
5358 } 5358 }
5359 5359
5360 5360
5361 }} // namespace v8::internal 5361 }} // namespace v8::internal
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