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1 // Copyright (c) 2012, the Dart project authors. Please see the AUTHORS file | 1 // Copyright (c) 2012, the Dart project authors. Please see the AUTHORS file |
2 // for details. All rights reserved. Use of this source code is governed by a | 2 // for details. All rights reserved. Use of this source code is governed by a |
3 // BSD-style license that can be found in the LICENSE file. | 3 // BSD-style license that can be found in the LICENSE file. |
4 | 4 |
5 #ifndef VM_OBJECT_H_ | 5 #ifndef VM_OBJECT_H_ |
6 #define VM_OBJECT_H_ | 6 #define VM_OBJECT_H_ |
7 | 7 |
8 #include "include/dart_api.h" | 8 #include "include/dart_api.h" |
9 #include "platform/assert.h" | 9 #include "platform/assert.h" |
10 #include "platform/utils.h" | 10 #include "platform/utils.h" |
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6080 TypedDataElementType ElementType() const { | 6080 TypedDataElementType ElementType() const { |
6081 intptr_t cid = raw()->GetClassId(); | 6081 intptr_t cid = raw()->GetClassId(); |
6082 return ElementType(cid); | 6082 return ElementType(cid); |
6083 } | 6083 } |
6084 | 6084 |
6085 intptr_t LengthInBytes() const { | 6085 intptr_t LengthInBytes() const { |
6086 intptr_t cid = raw()->GetClassId(); | 6086 intptr_t cid = raw()->GetClassId(); |
6087 return (ElementSizeInBytes(cid) * Length()); | 6087 return (ElementSizeInBytes(cid) * Length()); |
6088 } | 6088 } |
6089 | 6089 |
6090 void* GetPeer() const { | |
6091 return raw_ptr()->peer_; | |
6092 } | |
6093 | |
6094 void* DataAddr(intptr_t byte_offset) const { | 6090 void* DataAddr(intptr_t byte_offset) const { |
6095 ASSERT((byte_offset == 0) || | 6091 ASSERT((byte_offset == 0) || |
6096 ((byte_offset > 0) && (byte_offset < LengthInBytes()))); | 6092 ((byte_offset > 0) && (byte_offset < LengthInBytes()))); |
6097 return reinterpret_cast<void*>(raw_ptr()->data_ + byte_offset); | 6093 return reinterpret_cast<void*>(raw_ptr()->data_ + byte_offset); |
6098 } | 6094 } |
6099 | 6095 |
6100 #define TYPED_GETTER_SETTER(name, type) \ | 6096 #define TYPED_GETTER_SETTER(name, type) \ |
6101 type Get##name(intptr_t byte_offset) const { \ | 6097 type Get##name(intptr_t byte_offset) const { \ |
6102 return *reinterpret_cast<type*>(DataAddr(byte_offset)); \ | 6098 return *reinterpret_cast<type*>(DataAddr(byte_offset)); \ |
6103 } \ | 6099 } \ |
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6163 | 6159 |
6164 protected: | 6160 protected: |
6165 void SetLength(intptr_t value) const { | 6161 void SetLength(intptr_t value) const { |
6166 raw_ptr()->length_ = Smi::New(value); | 6162 raw_ptr()->length_ = Smi::New(value); |
6167 } | 6163 } |
6168 | 6164 |
6169 void SetData(uint8_t* data) const { | 6165 void SetData(uint8_t* data) const { |
6170 raw_ptr()->data_ = data; | 6166 raw_ptr()->data_ = data; |
6171 } | 6167 } |
6172 | 6168 |
6173 void SetPeer(void* peer) const { | |
6174 raw_ptr()->peer_ = peer; | |
6175 } | |
6176 | |
6177 private: | 6169 private: |
6178 FINAL_HEAP_OBJECT_IMPLEMENTATION(ExternalTypedData, Instance); | 6170 FINAL_HEAP_OBJECT_IMPLEMENTATION(ExternalTypedData, Instance); |
6179 friend class Class; | 6171 friend class Class; |
6180 }; | 6172 }; |
6181 | 6173 |
6182 | 6174 |
6183 class TypedDataView : public AllStatic { | 6175 class TypedDataView : public AllStatic { |
6184 public: | 6176 public: |
6185 static intptr_t ElementSizeInBytes(const Instance& view_obj) { | 6177 static intptr_t ElementSizeInBytes(const Instance& view_obj) { |
6186 ASSERT(!view_obj.IsNull()); | 6178 ASSERT(!view_obj.IsNull()); |
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6631 | 6623 |
6632 | 6624 |
6633 RawObject* MegamorphicCache::GetTargetFunction(const Array& array, | 6625 RawObject* MegamorphicCache::GetTargetFunction(const Array& array, |
6634 intptr_t index) { | 6626 intptr_t index) { |
6635 return array.At((index * kEntryLength) + kTargetFunctionIndex); | 6627 return array.At((index * kEntryLength) + kTargetFunctionIndex); |
6636 } | 6628 } |
6637 | 6629 |
6638 } // namespace dart | 6630 } // namespace dart |
6639 | 6631 |
6640 #endif // VM_OBJECT_H_ | 6632 #endif // VM_OBJECT_H_ |
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