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Side by Side Diff: core/include/fxcrt/fx_memory.h

Issue 1088733002: Kill CFX_Object. (Closed) Base URL: https://pdfium.googlesource.com/pdfium.git@master
Patch Set: Rebase. Created 5 years, 8 months ago
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1 // Copyright 2014 PDFium Authors. All rights reserved. 1 // Copyright 2014 PDFium 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 // Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com 5 // Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
6 6
7 #ifndef _FX_MEMORY_H_ 7 #ifndef _FX_MEMORY_H_
8 #define _FX_MEMORY_H_ 8 #define _FX_MEMORY_H_
9 9
10 #include "fx_system.h" 10 #include "fx_system.h"
11 11
12 #ifdef __cplusplus 12 #ifdef __cplusplus
13 #include <new>
13 extern "C" { 14 extern "C" {
14 #endif 15 #endif
15 #define FX_Alloc(type, size) (type*)c alloc(size, sizeof(type)) 16 #define FX_Alloc(type, size) (type*)c alloc(size, sizeof(type))
16 #define FX_Realloc(type, ptr, size) (type*)r ealloc(ptr, sizeof(type) * (size)) 17 #define FX_Realloc(type, ptr, size) (type*)r ealloc(ptr, sizeof(type) * (size))
17 #define FX_AllocNL(type, size) FX_Alloc (type, size) 18 #define FX_AllocNL(type, size) FX_Alloc (type, size)
18 #define FX_ReallocNL(type, ptr, size) FX_Realloc(type, ptr, size) 19 #define FX_ReallocNL(type, ptr, size) FX_Realloc(type, ptr, size)
19 #define FX_Free(ptr) free(ptr) 20 #define FX_Free(ptr) free(ptr)
20 void* FXMEM_DefaultAlloc(size_t byte_size, int flags); 21 void* FXMEM_DefaultAlloc(size_t byte_size, int flags);
21 void* FXMEM_DefaultRealloc(void* pointer, size_t new_size, int flags); 22 void* FXMEM_DefaultRealloc(void* pointer, size_t new_size, int flags);
22 void FXMEM_DefaultFree(void* pointer, int flags); 23 void FXMEM_DefaultFree(void* pointer, int flags);
23 #ifdef __cplusplus 24 #ifdef __cplusplus
24 } 25 }
25 #endif
26 #ifdef __cplusplus
27 class CFX_Object
28 {
29 public:
30 void* operator new (size_t size, FX_LPCSTR file, int l ine)
31 {
32 return malloc(size);
33 }
34 void operator delete (void* p, FX_LPCSTR file, int li ne)
35 {
36 free(p);
37 }
38 void* operator new (size_t size)
39 {
40 return malloc(size);
41 }
42 void operator delete (void* p)
43 {
44 free(p);
45 }
46 void* operator new[] (size_t size, FX_LPCSTR file, int line)
47 {
48 return malloc(size);
49 }
50 void operator delete[] (void* p, FX_LPCSTR file, int line)
51 {
52 free(p);
53 }
54 void* operator new[] (size_t size)
55 {
56 return malloc(size);
57 }
58 void operator delete[] (void* p)
59 {
60 free(p);
61 }
62 void* operator new (size_t, void* buf)
63 {
64 return buf;
65 }
66 void operator delete (void*, void*) {}
67 };
68 #endif
69 #ifdef __cplusplus
70 #if defined(_DEBUG)
71 #define FX_NEW new(__FILE__, __LINE__)
72 #else
73 26
74 #define FX_NEW new 27 #define FX_NEW new(std::nothrow)
75 #endif 28 #define FX_NEW_VECTOR(Pointer, Class, Count) (Pointer = FX_NEW Class[Count])
76 #define FX_NEW_VECTOR(Pointer, Class, Count) \ 29 #define FX_DELETE_VECTOR(Pointer, Class, Count) delete[] Pointer
77 { \ 30
78 Pointer = FX_Alloc(Class, Count); \ 31 class CFX_DestructObject
79 if (Pointer) { \
80 for (int i = 0; i < (Count); i ++) new (Pointer + i) Class; \
81 } \
82 }
83 #define FX_DELETE_VECTOR(Pointer, Class, Count) \
84 { \
85 for (int i = 0; i < (Count); i ++) Pointer[i].~Class(); \
86 FX_Free(Pointer); \
87 }
88 class CFX_DestructObject : public CFX_Object
89 { 32 {
90 public: 33 public:
91 34
92 virtual ~CFX_DestructObject() {} 35 virtual ~CFX_DestructObject() {}
93 }; 36 };
94 class CFX_GrowOnlyPool : public CFX_Object 37 class CFX_GrowOnlyPool
95 { 38 {
96 public: 39 public:
97 40
98 CFX_GrowOnlyPool(size_t trunk_size = 16384); 41 CFX_GrowOnlyPool(size_t trunk_size = 16384);
99 42
100 ~CFX_GrowOnlyPool(); 43 ~CFX_GrowOnlyPool();
101 44
102 void SetTrunkSize(size_t trunk_size) 45 void SetTrunkSize(size_t trunk_size)
103 { 46 {
104 m_TrunkSize = trunk_size; 47 m_TrunkSize = trunk_size;
(...skipping 20 matching lines...) Expand all
125 68
126 void FreeAll(); 69 void FreeAll();
127 private: 70 private:
128 71
129 size_t m_TrunkSize; 72 size_t m_TrunkSize;
130 73
131 void* m_pFirstTrunk; 74 void* m_pFirstTrunk;
132 }; 75 };
133 #endif 76 #endif
134 #endif 77 #endif
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