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1 // Copyright 2014 The Chromium Authors. All rights reserved. | 1 // Copyright 2014 The Chromium Authors. All rights reserved. |
2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 #ifndef TerminatedArray_h | 4 #ifndef TerminatedArray_h |
5 #define TerminatedArray_h | 5 #define TerminatedArray_h |
6 | 6 |
7 #include "wtf/Allocator.h" | 7 #include "wtf/Allocator.h" |
8 #include "wtf/OwnPtr.h" | 8 #include "wtf/OwnPtr.h" |
9 #include "wtf/allocator/Partitions.h" | 9 #include "wtf/allocator/Partitions.h" |
10 | 10 |
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70 void operator delete(void* p) { ::WTF::Partitions::fastFree(p); } | 70 void operator delete(void* p) { ::WTF::Partitions::fastFree(p); } |
71 | 71 |
72 private: | 72 private: |
73 // Allocator describes how TerminatedArrayBuilder should create new instance
s | 73 // Allocator describes how TerminatedArrayBuilder should create new instance
s |
74 // of TerminateArray and manage their lifetimes. | 74 // of TerminateArray and manage their lifetimes. |
75 struct Allocator { | 75 struct Allocator { |
76 STATIC_ONLY(Allocator); | 76 STATIC_ONLY(Allocator); |
77 typedef PassOwnPtr<TerminatedArray> PassPtr; | 77 typedef PassOwnPtr<TerminatedArray> PassPtr; |
78 typedef OwnPtr<TerminatedArray> Ptr; | 78 typedef OwnPtr<TerminatedArray> Ptr; |
79 | 79 |
| 80 static PassPtr release(Ptr& ptr) |
| 81 { |
| 82 return ptr.release(); |
| 83 } |
| 84 |
80 static PassPtr create(size_t capacity) | 85 static PassPtr create(size_t capacity) |
81 { | 86 { |
82 return adoptPtr(static_cast<TerminatedArray*>(WTF::Partitions::fastM
alloc(capacity * sizeof(T), WTF_HEAP_PROFILER_TYPE_NAME(T)))); | 87 return adoptPtr(static_cast<TerminatedArray*>(WTF::Partitions::fastM
alloc(capacity * sizeof(T), WTF_HEAP_PROFILER_TYPE_NAME(T)))); |
83 } | 88 } |
84 | 89 |
85 static PassPtr resize(PassPtr ptr, size_t capacity) | 90 static PassPtr resize(Ptr ptr, size_t capacity) |
86 { | 91 { |
87 return adoptPtr(static_cast<TerminatedArray*>(WTF::Partitions::fastR
ealloc(ptr.leakPtr(), capacity * sizeof(T), WTF_HEAP_PROFILER_TYPE_NAME(T)))); | 92 return adoptPtr(static_cast<TerminatedArray*>(WTF::Partitions::fastR
ealloc(ptr.leakPtr(), capacity * sizeof(T), WTF_HEAP_PROFILER_TYPE_NAME(T)))); |
88 } | 93 } |
89 }; | 94 }; |
90 | 95 |
91 // Prohibit construction. Allocator makes TerminatedArray instances for | 96 // Prohibit construction. Allocator makes TerminatedArray instances for |
92 // TerminatedArrayBuilder by pointer casting. | 97 // TerminatedArrayBuilder by pointer casting. |
93 TerminatedArray(); | 98 TerminatedArray(); |
94 | 99 |
95 template<typename, template <typename> class> friend class TerminatedArrayBu
ilder; | 100 template<typename, template <typename> class> friend class TerminatedArrayBu
ilder; |
96 }; | 101 }; |
97 | 102 |
98 } // namespace WTF | 103 } // namespace WTF |
99 | 104 |
100 using WTF::TerminatedArray; | 105 using WTF::TerminatedArray; |
101 | 106 |
102 #endif // TerminatedArray_h | 107 #endif // TerminatedArray_h |
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