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1 /* | 1 /* |
2 * Copyright (C) 2010 Google Inc. All rights reserved. | 2 * Copyright (C) 2010 Google Inc. All rights reserved. |
3 * | 3 * |
4 * Redistribution and use in source and binary forms, with or without | 4 * Redistribution and use in source and binary forms, with or without |
5 * modification, are permitted provided that the following conditions | 5 * modification, are permitted provided that the following conditions |
6 * are met: | 6 * are met: |
7 * | 7 * |
8 * 1. Redistributions of source code must retain the above copyright | 8 * 1. Redistributions of source code must retain the above copyright |
9 * notice, this list of conditions and the following disclaimer. | 9 * notice, this list of conditions and the following disclaimer. |
10 * 2. Redistributions in binary form must reproduce the above copyright | 10 * 2. Redistributions in binary form must reproduce the above copyright |
11 * notice, this list of conditions and the following disclaimer in the | 11 * notice, this list of conditions and the following disclaimer in the |
12 * documentation and/or other materials provided with the distribution. | 12 * documentation and/or other materials provided with the distribution. |
13 * | 13 * |
14 * THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY | 14 * THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY |
15 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED | 15 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED |
16 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE | 16 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE |
17 * DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY | 17 * DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY |
18 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES | 18 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES |
19 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; | 19 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; |
20 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND | 20 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND |
21 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | 21 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
22 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF | 22 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
23 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | 23 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
24 */ | 24 */ |
25 | 25 |
26 #ifndef PODArena_h | 26 #ifndef PODArena_h |
27 #define PODArena_h | 27 #define PODArena_h |
28 | 28 |
| 29 #include <stdint.h> |
| 30 #include <memory> |
29 #include "wtf/Allocator.h" | 31 #include "wtf/Allocator.h" |
30 #include "wtf/Assertions.h" | 32 #include "wtf/Assertions.h" |
31 #include "wtf/Noncopyable.h" | 33 #include "wtf/Noncopyable.h" |
32 #include "wtf/PtrUtil.h" | 34 #include "wtf/PtrUtil.h" |
33 #include "wtf/RefCounted.h" | 35 #include "wtf/RefCounted.h" |
34 #include "wtf/Vector.h" | 36 #include "wtf/Vector.h" |
35 #include "wtf/allocator/Partitions.h" | 37 #include "wtf/allocator/Partitions.h" |
36 #include <memory> | |
37 #include <stdint.h> | |
38 | 38 |
39 namespace blink { | 39 namespace blink { |
40 | 40 |
41 // An arena which allocates only Plain Old Data (POD), or classes and | 41 // An arena which allocates only Plain Old Data (POD), or classes and |
42 // structs bottoming out in Plain Old Data. NOTE: the constructors of | 42 // structs bottoming out in Plain Old Data. NOTE: the constructors of |
43 // the objects allocated in this arena are called, but _not_ their | 43 // the objects allocated in this arena are called, but _not_ their |
44 // destructors. | 44 // destructors. |
45 | 45 |
46 class PODArena final : public RefCounted<PODArena> { | 46 class PODArena final : public RefCounted<PODArena> { |
47 public: | 47 public: |
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184 | 184 |
185 RefPtr<Allocator> m_allocator; | 185 RefPtr<Allocator> m_allocator; |
186 Chunk* m_current; | 186 Chunk* m_current; |
187 size_t m_currentChunkSize; | 187 size_t m_currentChunkSize; |
188 Vector<std::unique_ptr<Chunk>> m_chunks; | 188 Vector<std::unique_ptr<Chunk>> m_chunks; |
189 }; | 189 }; |
190 | 190 |
191 } // namespace blink | 191 } // namespace blink |
192 | 192 |
193 #endif // PODArena_h | 193 #endif // PODArena_h |
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