llvm-project/libcxx/include/new

107 lines
3.4 KiB
C++

// -*- C++ -*-
//===----------------------------- new ------------------------------------===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
#ifndef _LIBCPP_NEW
#define _LIBCPP_NEW
/*
new synopsis
namespace std
{
class bad_alloc
: public exception
{
public:
bad_alloc() throw();
bad_alloc(const bad_alloc&) throw();
bad_alloc& operator=(const bad_alloc&) throw();
virtual ~bad_alloc() throw();
virtual const char* what() const throw();
};
struct nothrow_t {};
extern const nothrow_t nothrow;
typedef void (*new_handler)();
new_handler set_new_handler(new_handler new_p) throw();
} // std
void* operator new(std::size_t size) throw(std::bad_alloc); // replaceable
void* operator new(std::size_t size, const std::nothrow_t&) throw(); // replaceable
void operator delete(void* ptr) throw(); // replaceable
void operator delete(void* ptr, const std::nothrow_t&) throw(); // replaceable
void* operator new[](std::size_t size) throw(std::bad_alloc); // replaceable
void* operator new[](std::size_t size, const std::nothrow_t&) throw(); // replaceable
void operator delete[](void* ptr) throw(); // replaceable
void operator delete[](void* ptr, const std::nothrow_t&) throw(); // replaceable
void* operator new (std::size_t size, void* ptr) throw();
void* operator new[](std::size_t size, void* ptr) throw();
void operator delete (void* ptr, void*) throw();
void operator delete[](void* ptr, void*) throw();
*/
#include <__config>
#include <exception>
#include <cstddef>
#pragma GCC system_header
namespace std // purposefully not using versioning namespace
{
class _LIBCPP_EXCEPTION_ABI bad_alloc
: public exception
{
public:
bad_alloc() throw();
virtual ~bad_alloc() throw();
virtual const char* what() const throw();
};
class _LIBCPP_EXCEPTION_ABI bad_array_new_length
: public bad_alloc
{
public:
bad_array_new_length() throw();
virtual ~bad_array_new_length() throw();
virtual const char* what() const throw();
};
void __throw_bad_alloc(); // not in C++ spec
struct _LIBCPP_VISIBLE nothrow_t {};
extern _LIBCPP_VISIBLE const nothrow_t nothrow;
typedef void (*new_handler)();
_LIBCPP_VISIBLE new_handler set_new_handler(new_handler) throw();
} // std
_LIBCPP_VISIBLE void* operator new(std::size_t) throw(std::bad_alloc);
_LIBCPP_VISIBLE void* operator new(std::size_t, const std::nothrow_t&) throw();
_LIBCPP_VISIBLE void operator delete(void*) throw();
_LIBCPP_VISIBLE void operator delete(void*, const std::nothrow_t&) throw();
_LIBCPP_VISIBLE void* operator new[](std::size_t) throw(std::bad_alloc);
_LIBCPP_VISIBLE void* operator new[](std::size_t, const std::nothrow_t&) throw();
_LIBCPP_VISIBLE void operator delete[](void*) throw();
_LIBCPP_VISIBLE void operator delete[](void*, const std::nothrow_t&) throw();
_LIBCPP_INLINE_VISIBILITY inline void* operator new (std::size_t, void* __p) throw() {return __p;}
_LIBCPP_INLINE_VISIBILITY inline void* operator new[](std::size_t, void* __p) throw() {return __p;}
_LIBCPP_INLINE_VISIBILITY inline void operator delete (void*, void*) throw() {}
_LIBCPP_INLINE_VISIBILITY inline void operator delete[](void*, void*) throw() {}
#endif // _LIBCPP_NEW