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Issue 3197010: Version 2.3.10... (Closed) Base URL: http://v8.googlecode.com/svn/trunk/
Patch Set: Created 10 years, 3 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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373 // Byte-code regexp needs space allocated for all its registers. 373 // Byte-code regexp needs space allocated for all its registers.
374 return IrregexpNumberOfRegisters(FixedArray::cast(regexp->data())); 374 return IrregexpNumberOfRegisters(FixedArray::cast(regexp->data()));
375 #else // V8_INTERPRETED_REGEXP 375 #else // V8_INTERPRETED_REGEXP
376 // Native regexp only needs room to output captures. Registers are handled 376 // Native regexp only needs room to output captures. Registers are handled
377 // internally. 377 // internally.
378 return (IrregexpNumberOfCaptures(FixedArray::cast(regexp->data())) + 1) * 2; 378 return (IrregexpNumberOfCaptures(FixedArray::cast(regexp->data())) + 1) * 2;
379 #endif // V8_INTERPRETED_REGEXP 379 #endif // V8_INTERPRETED_REGEXP
380 } 380 }
381 381
382 382
383 RegExpImpl::IrregexpResult RegExpImpl::IrregexpExecOnce(Handle<JSRegExp> regexp, 383 RegExpImpl::IrregexpResult RegExpImpl::IrregexpExecOnce(
384 Handle<String> subject, 384 Handle<JSRegExp> regexp,
385 int index, 385 Handle<String> subject,
386 Vector<int> output) { 386 int index,
387 Vector<int32_t> output) {
387 Handle<FixedArray> irregexp(FixedArray::cast(regexp->data())); 388 Handle<FixedArray> irregexp(FixedArray::cast(regexp->data()));
388 389
389 ASSERT(index >= 0); 390 ASSERT(index >= 0);
390 ASSERT(index <= subject->length()); 391 ASSERT(index <= subject->length());
391 ASSERT(subject->IsFlat()); 392 ASSERT(subject->IsFlat());
392 393
393 // A flat ASCII string might have a two-byte first part. 394 // A flat ASCII string might have a two-byte first part.
394 if (subject->IsConsString()) { 395 if (subject->IsConsString()) {
395 subject = Handle<String>(ConsString::cast(*subject)->first()); 396 subject = Handle<String>(ConsString::cast(*subject)->first());
396 } 397 }
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472 int required_registers = RegExpImpl::IrregexpPrepare(jsregexp, subject); 473 int required_registers = RegExpImpl::IrregexpPrepare(jsregexp, subject);
473 if (required_registers < 0) { 474 if (required_registers < 0) {
474 // Compiling failed with an exception. 475 // Compiling failed with an exception.
475 ASSERT(Top::has_pending_exception()); 476 ASSERT(Top::has_pending_exception());
476 return Handle<Object>::null(); 477 return Handle<Object>::null();
477 } 478 }
478 479
479 OffsetsVector registers(required_registers); 480 OffsetsVector registers(required_registers);
480 481
481 IrregexpResult res = RegExpImpl::IrregexpExecOnce( 482 IrregexpResult res = RegExpImpl::IrregexpExecOnce(
482 jsregexp, subject, previous_index, Vector<int>(registers.vector(), 483 jsregexp, subject, previous_index, Vector<int32_t>(registers.vector(),
483 registers.length())); 484 registers.length()));
484 if (res == RE_SUCCESS) { 485 if (res == RE_SUCCESS) {
485 int capture_register_count = 486 int capture_register_count =
486 (IrregexpNumberOfCaptures(FixedArray::cast(jsregexp->data())) + 1) * 2; 487 (IrregexpNumberOfCaptures(FixedArray::cast(jsregexp->data())) + 1) * 2;
487 last_match_info->EnsureSize(capture_register_count + kLastMatchOverhead); 488 last_match_info->EnsureSize(capture_register_count + kLastMatchOverhead);
488 AssertNoAllocation no_gc; 489 AssertNoAllocation no_gc;
489 int* register_vector = registers.vector(); 490 int* register_vector = registers.vector();
490 FixedArray* array = FixedArray::cast(last_match_info->elements()); 491 FixedArray* array = FixedArray::cast(last_match_info->elements());
491 for (int i = 0; i < capture_register_count; i += 2) { 492 for (int i = 0; i < capture_register_count; i += 2) {
492 SetCapture(array, i, register_vector[i]); 493 SetCapture(array, i, register_vector[i]);
493 SetCapture(array, i + 1, register_vector[i + 1]); 494 SetCapture(array, i + 1, register_vector[i + 1]);
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5239 node, 5240 node,
5240 data->capture_count, 5241 data->capture_count,
5241 pattern); 5242 pattern);
5242 } 5243 }
5243 5244
5244 5245
5245 int OffsetsVector::static_offsets_vector_[ 5246 int OffsetsVector::static_offsets_vector_[
5246 OffsetsVector::kStaticOffsetsVectorSize]; 5247 OffsetsVector::kStaticOffsetsVectorSize];
5247 5248
5248 }} // namespace v8::internal 5249 }} // namespace v8::internal
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