1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
|
#pragma once
#include <malloc.h>
#include "rapidjson/document.h"
// #include "include/rapidjson/allocators.h"
// The prelude is needed for these to be usable by the CRT
extern "C" __declspec(noinline) void* __cdecl _malloc_base(size_t const size);
extern "C" __declspec(noinline) void* __cdecl _calloc_base(size_t const count, size_t const size);
extern "C" __declspec(noinline) void* __cdecl _realloc_base(void* const block, size_t const size);
extern "C" __declspec(noinline) void* __cdecl _recalloc_base(void* const block, size_t const count, size_t const size);
extern "C" __declspec(noinline) void __cdecl _free_base(void* const block);
extern "C" __declspec(noinline) size_t __cdecl _msize(void* const block);
extern "C" __declspec(noinline) char* __cdecl _strdup_base(const char* src);
void* operator new(size_t n);
void operator delete(void* p) noexcept;
// void* malloc(size_t n);
class SourceAllocator
{
public:
static const bool kNeedFree = true;
void* Malloc(size_t size)
{
if (size) // behavior of malloc(0) is implementation defined.
return _malloc_base(size);
else
return NULL; // standardize to returning NULL.
}
void* Realloc(void* originalPtr, size_t originalSize, size_t newSize)
{
(void)originalSize;
if (newSize == 0)
{
_free_base(originalPtr);
return NULL;
}
return _realloc_base(originalPtr, newSize);
}
static void Free(void* ptr) { _free_base(ptr); }
};
typedef rapidjson::GenericDocument<rapidjson::UTF8<>, rapidjson::MemoryPoolAllocator<SourceAllocator>, SourceAllocator> rapidjson_document;
// typedef rapidjson::GenericDocument<rapidjson::UTF8<>, SourceAllocator, SourceAllocator> rapidjson_document;
// typedef rapidjson::Document rapidjson_document;
// using MyDocument = rapidjson::GenericDocument<rapidjson::UTF8<>, MemoryAllocator>;
// using rapidjson_document = rapidjson::GenericDocument<rapidjson::UTF8<>, SourceAllocator, SourceAllocator>;
|