// Copyright 2014 PDFium Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
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#ifndef XFA_FGAS_CRT_FGAS_MEMORY_H_
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#define XFA_FGAS_CRT_FGAS_MEMORY_H_
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#include "core/fxcrt/include/fx_memory.h"
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#include "core/fxcrt/include/fx_system.h"
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enum FX_ALLOCTYPE {
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FX_ALLOCTYPE_Static,
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FX_ALLOCTYPE_Fixed,
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};
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class IFX_MemoryAllocator {
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public:
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virtual ~IFX_MemoryAllocator() {}
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virtual void* Alloc(size_t size) = 0;
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virtual void Free(void* pBlock) = 0;
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static IFX_MemoryAllocator* Create(FX_ALLOCTYPE eType,
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size_t chunkSize,
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size_t blockSize);
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};
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class CFX_Target {
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public:
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virtual ~CFX_Target() {}
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void* operator new(size_t size) { return FX_Alloc(uint8_t, size); }
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void operator delete(void* p) { FX_Free(p); }
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void* operator new(size_t size, IFX_MemoryAllocator* pAllocator) {
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return pAllocator->Alloc(size);
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}
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void operator delete(void* p, IFX_MemoryAllocator* pAllocator) {
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pAllocator->Free(p);
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}
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void* operator new(size_t size, void* place) { return place; }
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void operator delete(void* p, void* place) {}
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};
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#define FXTARGET_NewWith(__allocator__) new (__allocator__)
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#define FXTARGET_DeleteWith(__class__, __allocator__, pointer) \
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{ \
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(pointer)->~__class__(); \
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(pointer)->operator delete((pointer), (__allocator__)); \
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}
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#endif // XFA_FGAS_CRT_FGAS_MEMORY_H_
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