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Issue 7066004: Inline more zone stuff. (Closed) Base URL: https://v8.googlecode.com/svn/branches/bleeding_edge
Patch Set: Created 9 years, 7 months ago
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1 // Copyright 2011 the V8 project authors. All rights reserved. 1 // Copyright 2011 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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2606 if (match.is_null()) { 2606 if (match.is_null()) {
2607 return Failure::Exception(); 2607 return Failure::Exception();
2608 } 2608 }
2609 if (match->IsNull()) { 2609 if (match->IsNull()) {
2610 return *subject_handle; 2610 return *subject_handle;
2611 } 2611 }
2612 2612
2613 int capture_count = regexp_handle->CaptureCount(); 2613 int capture_count = regexp_handle->CaptureCount();
2614 2614
2615 // CompiledReplacement uses zone allocation. 2615 // CompiledReplacement uses zone allocation.
2616 CompilationZoneScope zone(DELETE_ON_EXIT); 2616 CompilationZoneScope zone(isolate, DELETE_ON_EXIT);
2617 CompiledReplacement compiled_replacement; 2617 CompiledReplacement compiled_replacement;
2618 compiled_replacement.Compile(replacement_handle, 2618 compiled_replacement.Compile(replacement_handle,
2619 capture_count, 2619 capture_count,
2620 length); 2620 length);
2621 2621
2622 bool is_global = regexp_handle->GetFlags().is_global(); 2622 bool is_global = regexp_handle->GetFlags().is_global();
2623 2623
2624 // Guessing the number of parts that the final result string is built 2624 // Guessing the number of parts that the final result string is built
2625 // from. Global regexps can match any number of times, so we guess 2625 // from. Global regexps can match any number of times, so we guess
2626 // conservatively. 2626 // conservatively.
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3120 Handle<Object> match = RegExpImpl::Exec(regexp, subject, 0, regexp_info); 3120 Handle<Object> match = RegExpImpl::Exec(regexp, subject, 0, regexp_info);
3121 3121
3122 if (match.is_null()) { 3122 if (match.is_null()) {
3123 return Failure::Exception(); 3123 return Failure::Exception();
3124 } 3124 }
3125 if (match->IsNull()) { 3125 if (match->IsNull()) {
3126 return isolate->heap()->null_value(); 3126 return isolate->heap()->null_value();
3127 } 3127 }
3128 int length = subject->length(); 3128 int length = subject->length();
3129 3129
3130 CompilationZoneScope zone_space(DELETE_ON_EXIT); 3130 CompilationZoneScope zone_space(isolate, DELETE_ON_EXIT);
3131 ZoneList<int> offsets(8); 3131 ZoneList<int> offsets(8);
3132 do { 3132 do {
3133 int start; 3133 int start;
3134 int end; 3134 int end;
3135 { 3135 {
3136 AssertNoAllocation no_alloc; 3136 AssertNoAllocation no_alloc;
3137 FixedArray* elements = FixedArray::cast(regexp_info->elements()); 3137 FixedArray* elements = FixedArray::cast(regexp_info->elements());
3138 start = Smi::cast(elements->get(RegExpImpl::kFirstCapture))->value(); 3138 start = Smi::cast(elements->get(RegExpImpl::kFirstCapture))->value();
3139 end = Smi::cast(elements->get(RegExpImpl::kFirstCapture + 1))->value(); 3139 end = Smi::cast(elements->get(RegExpImpl::kFirstCapture + 1))->value();
3140 } 3140 }
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5594 RUNTIME_ASSERT(pattern_length > 0); 5594 RUNTIME_ASSERT(pattern_length > 0);
5595 5595
5596 // The limit can be very large (0xffffffffu), but since the pattern 5596 // The limit can be very large (0xffffffffu), but since the pattern
5597 // isn't empty, we can never create more parts than ~half the length 5597 // isn't empty, we can never create more parts than ~half the length
5598 // of the subject. 5598 // of the subject.
5599 5599
5600 if (!subject->IsFlat()) FlattenString(subject); 5600 if (!subject->IsFlat()) FlattenString(subject);
5601 5601
5602 static const int kMaxInitialListCapacity = 16; 5602 static const int kMaxInitialListCapacity = 16;
5603 5603
5604 ZoneScope scope(DELETE_ON_EXIT); 5604 ZoneScope scope(isolate, DELETE_ON_EXIT);
5605 5605
5606 // Find (up to limit) indices of separator and end-of-string in subject 5606 // Find (up to limit) indices of separator and end-of-string in subject
5607 int initial_capacity = Min<uint32_t>(kMaxInitialListCapacity, limit); 5607 int initial_capacity = Min<uint32_t>(kMaxInitialListCapacity, limit);
5608 ZoneList<int> indices(initial_capacity); 5608 ZoneList<int> indices(initial_capacity);
5609 if (!pattern->IsFlat()) FlattenString(pattern); 5609 if (!pattern->IsFlat()) FlattenString(pattern);
5610 5610
5611 // No allocation block. 5611 // No allocation block.
5612 { 5612 {
5613 AssertNoAllocation nogc; 5613 AssertNoAllocation nogc;
5614 if (subject->IsAsciiRepresentation()) { 5614 if (subject->IsAsciiRepresentation()) {
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12216 } else { 12216 } else {
12217 // Handle last resort GC and make sure to allow future allocations 12217 // Handle last resort GC and make sure to allow future allocations
12218 // to grow the heap without causing GCs (if possible). 12218 // to grow the heap without causing GCs (if possible).
12219 isolate->counters()->gc_last_resort_from_js()->Increment(); 12219 isolate->counters()->gc_last_resort_from_js()->Increment();
12220 isolate->heap()->CollectAllGarbage(false); 12220 isolate->heap()->CollectAllGarbage(false);
12221 } 12221 }
12222 } 12222 }
12223 12223
12224 12224
12225 } } // namespace v8::internal 12225 } } // namespace v8::internal
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