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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 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #ifndef V8_OBJECTS_H_ | 5 #ifndef V8_OBJECTS_H_ |
6 #define V8_OBJECTS_H_ | 6 #define V8_OBJECTS_H_ |
7 | 7 |
8 #include <iosfwd> | 8 #include <iosfwd> |
9 | 9 |
10 #include "src/allocation.h" | 10 #include "src/allocation.h" |
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6471 ElementsKind to_kind); | 6471 ElementsKind to_kind); |
6472 | 6472 |
6473 void DeprecateTransitionTree(); | 6473 void DeprecateTransitionTree(); |
6474 bool DeprecateTarget(PropertyKind kind, Name* key, | 6474 bool DeprecateTarget(PropertyKind kind, Name* key, |
6475 PropertyAttributes attributes, | 6475 PropertyAttributes attributes, |
6476 DescriptorArray* new_descriptors, | 6476 DescriptorArray* new_descriptors, |
6477 LayoutDescriptor* new_layout_descriptor); | 6477 LayoutDescriptor* new_layout_descriptor); |
6478 | 6478 |
6479 Map* FindLastMatchMap(int verbatim, int length, DescriptorArray* descriptors); | 6479 Map* FindLastMatchMap(int verbatim, int length, DescriptorArray* descriptors); |
6480 | 6480 |
6481 // Update field type of the given descriptor to new representation and new | |
6482 // type. The type must be prepared for storing in descriptor array: | |
6483 // it must be either a simple type or a map wrapped in a weak cell. | |
6484 void UpdateFieldType(int descriptor_number, Handle<Name> name, | 6481 void UpdateFieldType(int descriptor_number, Handle<Name> name, |
6485 Representation new_representation, | 6482 Representation new_representation, |
6486 Handle<Object> new_wrapped_type); | 6483 Handle<HeapType> new_type); |
6487 | 6484 |
6488 void PrintReconfiguration(FILE* file, int modify_index, PropertyKind kind, | 6485 void PrintReconfiguration(FILE* file, int modify_index, PropertyKind kind, |
6489 PropertyAttributes attributes); | 6486 PropertyAttributes attributes); |
6490 void PrintGeneralization(FILE* file, | 6487 void PrintGeneralization(FILE* file, |
6491 const char* reason, | 6488 const char* reason, |
6492 int modify_index, | 6489 int modify_index, |
6493 int split, | 6490 int split, |
6494 int descriptors, | 6491 int descriptors, |
6495 bool constant_to_field, | 6492 bool constant_to_field, |
6496 Representation old_representation, | 6493 Representation old_representation, |
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10993 } else { | 10990 } else { |
10994 value &= ~(1 << bit_position); | 10991 value &= ~(1 << bit_position); |
10995 } | 10992 } |
10996 return value; | 10993 return value; |
10997 } | 10994 } |
10998 }; | 10995 }; |
10999 | 10996 |
11000 } } // namespace v8::internal | 10997 } } // namespace v8::internal |
11001 | 10998 |
11002 #endif // V8_OBJECTS_H_ | 10999 #endif // V8_OBJECTS_H_ |
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