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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_CRANKSHAFT_HYDROGEN_H_ | 5 #ifndef V8_CRANKSHAFT_HYDROGEN_H_ |
6 #define V8_CRANKSHAFT_HYDROGEN_H_ | 6 #define V8_CRANKSHAFT_HYDROGEN_H_ |
7 | 7 |
8 #include "src/accessors.h" | 8 #include "src/accessors.h" |
9 #include "src/allocation.h" | 9 #include "src/allocation.h" |
10 #include "src/ast/ast.h" | 10 #include "src/ast/ast.h" |
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2615 | 2615 |
2616 private: | 2616 private: |
2617 Handle<Object> GetConstantFromMap(Handle<Map> map) const { | 2617 Handle<Object> GetConstantFromMap(Handle<Map> map) const { |
2618 DCHECK_EQ(DESCRIPTOR_TYPE, lookup_type_); | 2618 DCHECK_EQ(DESCRIPTOR_TYPE, lookup_type_); |
2619 DCHECK(number_ < map->NumberOfOwnDescriptors()); | 2619 DCHECK(number_ < map->NumberOfOwnDescriptors()); |
2620 return handle(map->instance_descriptors()->GetValue(number_), isolate()); | 2620 return handle(map->instance_descriptors()->GetValue(number_), isolate()); |
2621 } | 2621 } |
2622 Handle<Object> GetAccessorsFromMap(Handle<Map> map) const { | 2622 Handle<Object> GetAccessorsFromMap(Handle<Map> map) const { |
2623 return GetConstantFromMap(map); | 2623 return GetConstantFromMap(map); |
2624 } | 2624 } |
2625 Handle<FieldType> GetFieldTypeFromMap(Handle<Map> map) const { | 2625 Handle<FieldType> GetFieldTypeFromMap(Handle<Map> map) const; |
2626 DCHECK(IsFound()); | |
2627 DCHECK(number_ < map->NumberOfOwnDescriptors()); | |
2628 return handle(map->instance_descriptors()->GetFieldType(number_), | |
2629 isolate()); | |
2630 } | |
2631 Handle<Map> GetFieldOwnerFromMap(Handle<Map> map) const { | 2626 Handle<Map> GetFieldOwnerFromMap(Handle<Map> map) const { |
2632 DCHECK(IsFound()); | 2627 DCHECK(IsFound()); |
2633 DCHECK(number_ < map->NumberOfOwnDescriptors()); | 2628 DCHECK(number_ < map->NumberOfOwnDescriptors()); |
2634 return handle(map->FindFieldOwner(number_)); | 2629 return handle(map->FindFieldOwner(number_)); |
2635 } | 2630 } |
2636 int GetLocalFieldIndexFromMap(Handle<Map> map) const { | 2631 int GetLocalFieldIndexFromMap(Handle<Map> map) const { |
2637 DCHECK(lookup_type_ == DESCRIPTOR_TYPE || | 2632 DCHECK(lookup_type_ == DESCRIPTOR_TYPE || |
2638 lookup_type_ == TRANSITION_TYPE); | 2633 lookup_type_ == TRANSITION_TYPE); |
2639 DCHECK(number_ < map->NumberOfOwnDescriptors()); | 2634 DCHECK(number_ < map->NumberOfOwnDescriptors()); |
2640 int field_index = map->instance_descriptors()->GetFieldIndex(number_); | 2635 int field_index = map->instance_descriptors()->GetFieldIndex(number_); |
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3042 | 3037 |
3043 private: | 3038 private: |
3044 HGraphBuilder* builder_; | 3039 HGraphBuilder* builder_; |
3045 }; | 3040 }; |
3046 | 3041 |
3047 | 3042 |
3048 } // namespace internal | 3043 } // namespace internal |
3049 } // namespace v8 | 3044 } // namespace v8 |
3050 | 3045 |
3051 #endif // V8_CRANKSHAFT_HYDROGEN_H_ | 3046 #endif // V8_CRANKSHAFT_HYDROGEN_H_ |
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