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| 1 // Copyright 2012 the V8 project authors. All rights reserved. | 1 // Copyright 2012 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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| 23 // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY | 23 // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| 24 // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | 24 // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| 25 // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE | 25 // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
| 26 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | 26 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| 27 | 27 |
| 28 #include "v8.h" | 28 #include "v8.h" |
| 29 | 29 |
| 30 #include "factory.h" | 30 #include "factory.h" |
| 31 #include "string-stream.h" | 31 #include "string-stream.h" |
| 32 | 32 |
| 33 #include "allocation-inl.h" | |
| 34 | |
| 35 namespace v8 { | 33 namespace v8 { |
| 36 namespace internal { | 34 namespace internal { |
| 37 | 35 |
| 38 static const int kMentionedObjectCacheMaxSize = 256; | 36 static const int kMentionedObjectCacheMaxSize = 256; |
| 39 | 37 |
| 40 char* HeapStringAllocator::allocate(unsigned bytes) { | 38 char* HeapStringAllocator::allocate(unsigned bytes) { |
| 41 space_ = NewArray<char>(bytes); | 39 space_ = NewArray<char>(bytes); |
| 42 return space_; | 40 return space_; |
| 43 } | 41 } |
| 44 | 42 |
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| 292 | 290 |
| 293 Handle<String> StringStream::ToString(Isolate* isolate) { | 291 Handle<String> StringStream::ToString(Isolate* isolate) { |
| 294 return isolate->factory()->NewStringFromUtf8( | 292 return isolate->factory()->NewStringFromUtf8( |
| 295 Vector<const char>(buffer_, length_)); | 293 Vector<const char>(buffer_, length_)); |
| 296 } | 294 } |
| 297 | 295 |
| 298 | 296 |
| 299 void StringStream::ClearMentionedObjectCache(Isolate* isolate) { | 297 void StringStream::ClearMentionedObjectCache(Isolate* isolate) { |
| 300 isolate->set_string_stream_current_security_token(NULL); | 298 isolate->set_string_stream_current_security_token(NULL); |
| 301 if (isolate->string_stream_debug_object_cache() == NULL) { | 299 if (isolate->string_stream_debug_object_cache() == NULL) { |
| 302 isolate->set_string_stream_debug_object_cache( | 300 isolate->set_string_stream_debug_object_cache(new DebugObjectCache(0)); |
| 303 new List<HeapObject*, PreallocatedStorageAllocationPolicy>(0)); | |
| 304 } | 301 } |
| 305 isolate->string_stream_debug_object_cache()->Clear(); | 302 isolate->string_stream_debug_object_cache()->Clear(); |
| 306 } | 303 } |
| 307 | 304 |
| 308 | 305 |
| 309 #ifdef DEBUG | 306 #ifdef DEBUG |
| 310 bool StringStream::IsMentionedObjectCacheClear(Isolate* isolate) { | 307 bool StringStream::IsMentionedObjectCacheClear(Isolate* isolate) { |
| 311 return isolate->string_stream_debug_object_cache()->length() == 0; | 308 return isolate->string_stream_debug_object_cache()->length() == 0; |
| 312 } | 309 } |
| 313 #endif | 310 #endif |
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| 583 | 580 |
| 584 // Only grow once to the maximum allowable size. | 581 // Only grow once to the maximum allowable size. |
| 585 char* NoAllocationStringAllocator::grow(unsigned* bytes) { | 582 char* NoAllocationStringAllocator::grow(unsigned* bytes) { |
| 586 ASSERT(size_ >= *bytes); | 583 ASSERT(size_ >= *bytes); |
| 587 *bytes = size_; | 584 *bytes = size_; |
| 588 return space_; | 585 return space_; |
| 589 } | 586 } |
| 590 | 587 |
| 591 | 588 |
| 592 } } // namespace v8::internal | 589 } } // namespace v8::internal |
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