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1 // Copyright 2015 The Chromium Authors. All rights reserved. | 1 // Copyright 2015 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 | 4 |
5 #ifndef WTF_Allocator_h | 5 #ifndef WTF_Allocator_h |
6 #define WTF_Allocator_h | 6 #define WTF_Allocator_h |
7 | 7 |
8 #include "wtf/Assertions.h" | 8 #include "platform/wtf/Assertions.h" |
9 #include "wtf/TypeTraits.h" | 9 #include "platform/wtf/TypeTraits.h" |
10 #include "wtf/allocator/Partitions.h" | 10 #include "platform/wtf/allocator/Partitions.h" |
11 | 11 |
12 namespace WTF { | 12 namespace WTF { |
13 | 13 |
14 // Classes that contain references to garbage-collected objects but aren't | 14 // Classes that contain references to garbage-collected objects but aren't |
15 // themselves garbaged allocated, have some extra macros available which | 15 // themselves garbaged allocated, have some extra macros available which |
16 // allows their use to be restricted to cases where the garbage collector | 16 // allows their use to be restricted to cases where the garbage collector |
17 // is able to discover their references. These macros will be useful for | 17 // is able to discover their references. These macros will be useful for |
18 // non-garbage-collected objects to avoid unintended allocations. | 18 // non-garbage-collected objects to avoid unintended allocations. |
19 // | 19 // |
20 // STACK_ALLOCATED(): Use if the object is only stack allocated. | 20 // STACK_ALLOCATED(): Use if the object is only stack allocated. |
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147 } // namespace WTF | 147 } // namespace WTF |
148 | 148 |
149 // This version of placement new omits a 0 check. | 149 // This version of placement new omits a 0 check. |
150 enum NotNullTag { NotNull }; | 150 enum NotNullTag { NotNull }; |
151 inline void* operator new(size_t, NotNullTag, void* location) { | 151 inline void* operator new(size_t, NotNullTag, void* location) { |
152 DCHECK(location); | 152 DCHECK(location); |
153 return location; | 153 return location; |
154 } | 154 } |
155 | 155 |
156 #endif /* WTF_Allocator_h */ | 156 #endif /* WTF_Allocator_h */ |
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