// -*- C++ -*-
//===----------------------------- new ------------------------------------===//
//
//                     The LLVM Compiler Infrastructure
//
// This file is dual licensed under the MIT and the University of Illinois Open
// Source Licenses. 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();
new_handler get_new_handler() 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();
_LIBCPP_VISIBLE new_handler get_new_handler() throw();

}  // std

#if __APPLE__
    #include <cxxabi.h>
    // On Darwin, there are two STL shared libraries and a lower level ABI
    // shared libray.  The global holding the current new handler is
    // in the ABI library and named __cxa_new_handler.
    #define __new_handler __cxxabiapple::__cxa_new_handler
#else  // __APPLE__
    _LIBCPP_BEGIN_NAMESPACE_STD
        extern ::std::new_handler __new_handler;
    _LIBCPP_END_NAMESPACE_STD
#endif

_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
