PracticeDev/study_cpp/cpp_primer_source_code/Chapter 9/newer.h

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2022-12-20 17:31:11 +08:00
// new standard header for Microsoft
#include <iostream>
using namespace std;
#pragma once
#ifndef _NEWER_
#define _NEWER_
#ifndef RC_INVOKED
#include <exception>
#pragma pack(push,_CRT_PACKING)
#pragma warning(push,3)
// #pragma push_macro("new")
// #undef new
#if !defined(__CRTDECL)
#if defined(_M_CEE_PURE)
#define __CRTDECL
#else
#define __CRTDECL __cdecl
#endif
#endif
_STD_BEGIN
// SUPPORT TYPES
#if !defined(_INC_NEW) || !defined(_MSC_EXTENSIONS)
// handler for operator new failures
#ifdef _M_CEE_PURE
typedef void (__clrcall * new_handler) ();
#else
typedef void (__cdecl * new_handler) ();
#endif
#endif /* !defined(_INC_NEW) || !defined(_MSC_EXTENSIONS) */
#ifndef __NOTHROW_T_DEFINED
struct nothrow_t
{ // placement new tag type to suppress exceptions
};
extern const nothrow_t nothrow; // constant for placement new tag
#endif /* __NOTHROW_T_DEFINED */
// FUNCTION AND OBJECT DECLARATIONS
_CRTIMP2 new_handler __cdecl set_new_handler(_In_opt_ new_handler)
_THROW0(); // establish alternate new handler
_STD_END
// new AND delete DECLARATIONS (NB: NOT IN std)
void __CRTDECL operator delete(void *) _THROW0();
#pragma warning (suppress: 4985)
_Ret_bytecap_(_Size) void *__CRTDECL operator new(size_t _Size) _THROW1(_STD bad_alloc);
#ifndef __PLACEMENT_NEW_INLINE
#define __PLACEMENT_NEW_INLINE
inline void *__CRTDECL operator new(size_t, void *_Where) _THROW0()
{ // construct array with placement at _Where
cout << "New!\n";
return (_Where);
}
inline void __CRTDECL operator delete(void *, void *) _THROW0()
{ // delete if placement new fails
cout << "Delete!\n";
}
#endif /* __PLACEMENT_NEW_INLINE */
#ifndef __PLACEMENT_VEC_NEW_INLINE
#define __PLACEMENT_VEC_NEW_INLINE
inline void *__CRTDECL operator new[](size_t, void *_Where) _THROW0()
{ // construct array with placement at _Where
cout << "New!\n";
return (_Where);
}
inline void __CRTDECL operator delete[](void *, void *) _THROW0()
{ // delete if placement array new fails
cout << "Delete!\n";
}
#endif /* __PLACEMENT_VEC_NEW_INLINE */
void __CRTDECL operator delete[](void *) _THROW0(); // delete allocated array
_Ret_bytecap_(_Size) void *__CRTDECL operator new[](size_t _Size)
_THROW1(_STD bad_alloc); // allocate array or throw exception
#ifndef __NOTHROW_T_DEFINED
#define __NOTHROW_T_DEFINED
_Ret_opt_bytecap_(_Size) void *__CRTDECL operator new(size_t _Size, const _STD nothrow_t&)
_THROW0();
_Ret_opt_bytecap_(_Size) void *__CRTDECL operator new[](size_t _Size, const _STD nothrow_t&)
_THROW0(); // allocate array or return null pointer
void __CRTDECL operator delete(void *, const _STD nothrow_t&)
_THROW0(); // delete if nothrow new fails -- REPLACEABLE
void __CRTDECL operator delete[](void *, const _STD nothrow_t&)
_THROW0(); // delete if nothrow array new fails -- REPLACEABLE
#endif /* __NOTHROW_T_DEFINED */
#if !defined(_INC_NEW) || !defined(_MSC_EXTENSIONS)
using _STD new_handler;
#endif /* !defined(_INC_NEW) || !defined(_MSC_EXTENSIONS) */
#pragma pop_macro("new")
#pragma warning(pop)
#pragma pack(pop)
#endif /* RC_INVOKED */
#endif /* _NEWER_ */
/*
* Copyright (c) 1992-2007 by P.J. Plauger. ALL RIGHTS RESERVED.
* Consult your license regarding permissions and restrictions.
V5.03:0009 */