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Side by Side Diff: third_party/WebKit/Source/platform/heap/HeapAllocator.h

Issue 2700123003: DO NOT COMMIT: Results of running old (current) clang-format on Blink (Closed)
Patch Set: Created 3 years, 10 months ago
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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 HeapAllocator_h 5 #ifndef HeapAllocator_h
6 #define HeapAllocator_h 6 #define HeapAllocator_h
7 7
8 #include "platform/heap/Heap.h" 8 #include "platform/heap/Heap.h"
9 #include "platform/heap/Persistent.h" 9 #include "platform/heap/Persistent.h"
10 #include "platform/heap/TraceTraits.h" 10 #include "platform/heap/TraceTraits.h"
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44 44
45 // This is a static-only class used as a trait on collections to make them heap 45 // This is a static-only class used as a trait on collections to make them heap
46 // allocated. However see also HeapListHashSetAllocator. 46 // allocated. However see also HeapListHashSetAllocator.
47 class PLATFORM_EXPORT HeapAllocator { 47 class PLATFORM_EXPORT HeapAllocator {
48 STATIC_ONLY(HeapAllocator); 48 STATIC_ONLY(HeapAllocator);
49 49
50 public: 50 public:
51 using Visitor = blink::Visitor; 51 using Visitor = blink::Visitor;
52 static const bool isGarbageCollected = true; 52 static const bool isGarbageCollected = true;
53 53
54 template<typename T> 54 template <typename T>
55 static size_t maxElementCountInBackingStore() { 55 static size_t maxElementCountInBackingStore() {
56 return maxHeapObjectSize / sizeof(T); 56 return maxHeapObjectSize / sizeof(T);
57 } 57 }
58 58
59 template <typename T> 59 template <typename T>
60 static size_t quantizedSize(size_t count) { 60 static size_t quantizedSize(size_t count) {
61 CHECK(count <= maxElementCountInBackingStore<T>()); 61 CHECK(count <= maxElementCountInBackingStore<T>());
62 return ThreadHeap::allocationSizeFromSize(count * sizeof(T)) - 62 return ThreadHeap::allocationSizeFromSize(count * sizeof(T)) -
63 sizeof(HeapObjectHeader); 63 sizeof(HeapObjectHeader);
64 } 64 }
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836 const blink::HeapHashCountedSet<Value, HashFunctions, Traits>& set, 836 const blink::HeapHashCountedSet<Value, HashFunctions, Traits>& set,
837 VectorType& vector) { 837 VectorType& vector) {
838 copyToVector(static_cast<const HashCountedSet<Value, HashFunctions, Traits, 838 copyToVector(static_cast<const HashCountedSet<Value, HashFunctions, Traits,
839 blink::HeapAllocator>&>(set), 839 blink::HeapAllocator>&>(set),
840 vector); 840 vector);
841 } 841 }
842 842
843 } // namespace WTF 843 } // namespace WTF
844 844
845 #endif 845 #endif
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