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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> | 29 #include <stdint.h> |
| 30 #include <wtf/Assertions.h> | 30 #include "wtf/Assertions.h" |
| 31 #include <wtf/FastMalloc.h> | 31 #include "wtf/FastMalloc.h" |
| 32 #include <wtf/Noncopyable.h> | 32 #include "wtf/Noncopyable.h" |
| 33 #include <wtf/OwnPtr.h> | 33 #include "wtf/OwnPtr.h" |
| 34 #include <wtf/PassOwnPtr.h> | 34 #include "wtf/PassOwnPtr.h" |
| 35 #include <wtf/RefCounted.h> | 35 #include "wtf/RefCounted.h" |
| 36 #include <wtf/Vector.h> | 36 #include "wtf/Vector.h" |
| 37 | 37 |
| 38 namespace WebCore { | 38 namespace WebCore { |
| 39 | 39 |
| 40 // An arena which allocates only Plain Old Data (POD), or classes and | 40 // An arena which allocates only Plain Old Data (POD), or classes and |
| 41 // structs bottoming out in Plain Old Data. NOTE: the constructors of | 41 // structs bottoming out in Plain Old Data. NOTE: the constructors of |
| 42 // the objects allocated in this arena are called, but _not_ their | 42 // the objects allocated in this arena are called, but _not_ their |
| 43 // destructors. | 43 // destructors. |
| 44 | 44 |
| 45 class PODArena : public RefCounted<PODArena> { | 45 class PODArena : public RefCounted<PODArena> { |
| 46 public: | 46 public: |
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| 192 | 192 |
| 193 RefPtr<Allocator> m_allocator; | 193 RefPtr<Allocator> m_allocator; |
| 194 Chunk* m_current; | 194 Chunk* m_current; |
| 195 size_t m_currentChunkSize; | 195 size_t m_currentChunkSize; |
| 196 Vector<OwnPtr<Chunk> > m_chunks; | 196 Vector<OwnPtr<Chunk> > m_chunks; |
| 197 }; | 197 }; |
| 198 | 198 |
| 199 } // namespace WebCore | 199 } // namespace WebCore |
| 200 | 200 |
| 201 #endif // PODArena_h | 201 #endif // PODArena_h |
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