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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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5818 // TODO(ishell): candidate with JSObject::MigrateToMap(). | 5818 // TODO(ishell): candidate with JSObject::MigrateToMap(). |
5819 bool InstancesNeedRewriting(Map* target, int target_number_of_fields, | 5819 bool InstancesNeedRewriting(Map* target, int target_number_of_fields, |
5820 int target_inobject, int target_unused, | 5820 int target_inobject, int target_unused, |
5821 int* old_number_of_fields); | 5821 int* old_number_of_fields); |
5822 // TODO(ishell): moveit! | 5822 // TODO(ishell): moveit! |
5823 static Handle<Map> GeneralizeAllFieldRepresentations(Handle<Map> map); | 5823 static Handle<Map> GeneralizeAllFieldRepresentations(Handle<Map> map); |
5824 MUST_USE_RESULT static Handle<HeapType> GeneralizeFieldType( | 5824 MUST_USE_RESULT static Handle<HeapType> GeneralizeFieldType( |
5825 Handle<HeapType> type1, | 5825 Handle<HeapType> type1, |
5826 Handle<HeapType> type2, | 5826 Handle<HeapType> type2, |
5827 Isolate* isolate); | 5827 Isolate* isolate); |
5828 static void GeneralizeFieldType(Handle<Map> map, | 5828 static void GeneralizeFieldType(Handle<Map> map, int modify_index, |
5829 int modify_index, | 5829 Representation new_representation, |
5830 Handle<HeapType> new_field_type); | 5830 Handle<HeapType> new_field_type); |
5831 static Handle<Map> GeneralizeRepresentation( | 5831 static Handle<Map> GeneralizeRepresentation( |
5832 Handle<Map> map, | 5832 Handle<Map> map, |
5833 int modify_index, | 5833 int modify_index, |
5834 Representation new_representation, | 5834 Representation new_representation, |
5835 Handle<HeapType> new_field_type, | 5835 Handle<HeapType> new_field_type, |
5836 StoreMode store_mode); | 5836 StoreMode store_mode); |
5837 static Handle<Map> CopyGeneralizeAllRepresentations( | 5837 static Handle<Map> CopyGeneralizeAllRepresentations( |
5838 Handle<Map> map, | 5838 Handle<Map> map, |
5839 int modify_index, | 5839 int modify_index, |
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6370 | 6370 |
6371 void DeprecateTransitionTree(); | 6371 void DeprecateTransitionTree(); |
6372 void DeprecateTarget(PropertyType type, Name* key, | 6372 void DeprecateTarget(PropertyType type, Name* key, |
6373 PropertyAttributes attributes, | 6373 PropertyAttributes attributes, |
6374 DescriptorArray* new_descriptors, | 6374 DescriptorArray* new_descriptors, |
6375 LayoutDescriptor* new_layout_descriptor); | 6375 LayoutDescriptor* new_layout_descriptor); |
6376 | 6376 |
6377 Map* FindLastMatchMap(int verbatim, int length, DescriptorArray* descriptors); | 6377 Map* FindLastMatchMap(int verbatim, int length, DescriptorArray* descriptors); |
6378 | 6378 |
6379 void UpdateFieldType(int descriptor_number, Handle<Name> name, | 6379 void UpdateFieldType(int descriptor_number, Handle<Name> name, |
| 6380 Representation new_representation, |
6380 Handle<HeapType> new_type); | 6381 Handle<HeapType> new_type); |
6381 | 6382 |
6382 void PrintGeneralization(FILE* file, | 6383 void PrintGeneralization(FILE* file, |
6383 const char* reason, | 6384 const char* reason, |
6384 int modify_index, | 6385 int modify_index, |
6385 int split, | 6386 int split, |
6386 int descriptors, | 6387 int descriptors, |
6387 bool constant_to_field, | 6388 bool constant_to_field, |
6388 Representation old_representation, | 6389 Representation old_representation, |
6389 Representation new_representation, | 6390 Representation new_representation, |
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10971 } else { | 10972 } else { |
10972 value &= ~(1 << bit_position); | 10973 value &= ~(1 << bit_position); |
10973 } | 10974 } |
10974 return value; | 10975 return value; |
10975 } | 10976 } |
10976 }; | 10977 }; |
10977 | 10978 |
10978 } } // namespace v8::internal | 10979 } } // namespace v8::internal |
10979 | 10980 |
10980 #endif // V8_OBJECTS_H_ | 10981 #endif // V8_OBJECTS_H_ |
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