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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_BIT_VECTOR_H_ | 5 #ifndef VM_BIT_VECTOR_H_ |
6 #define VM_BIT_VECTOR_H_ | 6 #define VM_BIT_VECTOR_H_ |
7 | 7 |
8 #include "vm/allocation.h" | 8 #include "vm/allocation.h" |
9 #include "vm/isolate.h" | 9 #include "vm/isolate.h" |
10 #include "vm/zone.h" | 10 #include "vm/zone.h" |
11 | 11 |
12 namespace dart { | 12 namespace dart { |
13 | 13 |
14 // Bit vector implementation. | 14 // Bit vector implementation. |
15 class BitVector: public ZoneAllocated { | 15 class BitVector : public ZoneAllocated { |
16 public: | 16 public: |
17 // Iterator for the elements of this BitVector. | 17 // Iterator for the elements of this BitVector. |
18 class Iterator : public ValueObject { | 18 class Iterator : public ValueObject { |
19 public: | 19 public: |
20 explicit Iterator(BitVector* target) | 20 explicit Iterator(BitVector* target) |
21 : target_(target), | 21 : target_(target), |
22 bit_index_(-1), | 22 bit_index_(-1), |
23 word_index_(0), | 23 word_index_(0), |
24 current_word_(target->data_[0]) { | 24 current_word_(target->data_[0]) { |
25 ASSERT(target->data_length_ > 0); | 25 ASSERT(target->data_length_ > 0); |
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110 intptr_t length_; | 110 intptr_t length_; |
111 intptr_t data_length_; | 111 intptr_t data_length_; |
112 uword* data_; | 112 uword* data_; |
113 | 113 |
114 DISALLOW_COPY_AND_ASSIGN(BitVector); | 114 DISALLOW_COPY_AND_ASSIGN(BitVector); |
115 }; | 115 }; |
116 | 116 |
117 } // namespace dart | 117 } // namespace dart |
118 | 118 |
119 #endif // VM_BIT_VECTOR_H_ | 119 #endif // VM_BIT_VECTOR_H_ |
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