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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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4662 ASSERT((byte_offset >= 0) && (byte_offset < ByteLength())); | 4662 ASSERT((byte_offset >= 0) && (byte_offset < ByteLength())); |
4663 return reinterpret_cast<uint8_t*>(&raw_ptr()->data_) + byte_offset; | 4663 return reinterpret_cast<uint8_t*>(&raw_ptr()->data_) + byte_offset; |
4664 } | 4664 } |
4665 | 4665 |
4666 HEAP_OBJECT_IMPLEMENTATION(Uint8Array, ByteArray); | 4666 HEAP_OBJECT_IMPLEMENTATION(Uint8Array, ByteArray); |
4667 friend class ByteArray; | 4667 friend class ByteArray; |
4668 friend class Class; | 4668 friend class Class; |
4669 }; | 4669 }; |
4670 | 4670 |
4671 | 4671 |
| 4672 class Uint8ClampedArray : public Uint8Array { |
| 4673 public: |
| 4674 static RawUint8ClampedArray* New(intptr_t len, |
| 4675 Heap::Space space = Heap::kNew); |
| 4676 static RawUint8ClampedArray* New(const uint8_t* data, |
| 4677 intptr_t len, |
| 4678 Heap::Space space = Heap::kNew); |
| 4679 |
| 4680 private: |
| 4681 HEAP_OBJECT_IMPLEMENTATION(Uint8ClampedArray, Uint8Array); |
| 4682 friend class Class; |
| 4683 }; |
| 4684 |
| 4685 |
4672 class Int16Array : public ByteArray { | 4686 class Int16Array : public ByteArray { |
4673 public: | 4687 public: |
4674 intptr_t ByteLength() const { | 4688 intptr_t ByteLength() const { |
4675 return Length() * kBytesPerElement; | 4689 return Length() * kBytesPerElement; |
4676 } | 4690 } |
4677 | 4691 |
4678 int16_t At(intptr_t index) const { | 4692 int16_t At(intptr_t index) const { |
4679 ASSERT((index >= 0) && (index < Length())); | 4693 ASSERT((index >= 0) && (index < Length())); |
4680 return raw_ptr()->data_[index]; | 4694 return raw_ptr()->data_[index]; |
4681 } | 4695 } |
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5199 raw_ptr()->external_data_ = data; | 5213 raw_ptr()->external_data_ = data; |
5200 } | 5214 } |
5201 | 5215 |
5202 HEAP_OBJECT_IMPLEMENTATION(ExternalUint8Array, ByteArray); | 5216 HEAP_OBJECT_IMPLEMENTATION(ExternalUint8Array, ByteArray); |
5203 friend class ByteArray; | 5217 friend class ByteArray; |
5204 friend class Class; | 5218 friend class Class; |
5205 friend class TokenStream; | 5219 friend class TokenStream; |
5206 }; | 5220 }; |
5207 | 5221 |
5208 | 5222 |
| 5223 class ExternalUint8ClampedArray : public ExternalUint8Array { |
| 5224 public: |
| 5225 static RawExternalUint8ClampedArray* New(uint8_t* data, |
| 5226 intptr_t len, |
| 5227 void* peer, |
| 5228 Dart_PeerFinalizer callback, |
| 5229 Heap::Space space = Heap::kNew); |
| 5230 |
| 5231 private: |
| 5232 HEAP_OBJECT_IMPLEMENTATION(ExternalUint8ClampedArray, ExternalUint8Array); |
| 5233 friend class Class; |
| 5234 }; |
| 5235 |
| 5236 |
5209 class ExternalInt16Array : public ByteArray { | 5237 class ExternalInt16Array : public ByteArray { |
5210 public: | 5238 public: |
5211 intptr_t ByteLength() const { | 5239 intptr_t ByteLength() const { |
5212 return Length() * kBytesPerElement; | 5240 return Length() * kBytesPerElement; |
5213 } | 5241 } |
5214 | 5242 |
5215 int16_t At(intptr_t index) const { | 5243 int16_t At(intptr_t index) const { |
5216 ASSERT((index >= 0) && (index < Length())); | 5244 ASSERT((index >= 0) && (index < Length())); |
5217 return raw_ptr()->external_data_->data()[index]; | 5245 return raw_ptr()->external_data_->data()[index]; |
5218 } | 5246 } |
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5997 if (this->CharAt(i) != str.CharAt(begin_index + i)) { | 6025 if (this->CharAt(i) != str.CharAt(begin_index + i)) { |
5998 return false; | 6026 return false; |
5999 } | 6027 } |
6000 } | 6028 } |
6001 return true; | 6029 return true; |
6002 } | 6030 } |
6003 | 6031 |
6004 } // namespace dart | 6032 } // namespace dart |
6005 | 6033 |
6006 #endif // VM_OBJECT_H_ | 6034 #endif // VM_OBJECT_H_ |
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