1// -*- C++ -*- 2//===----------------------------- new ------------------------------------===// 3// 4// The LLVM Compiler Infrastructure 5// 6// This file is dual licensed under the MIT and the University of Illinois Open 7// Source Licenses. See LICENSE.TXT for details. 8// 9//===----------------------------------------------------------------------===// 10 11#ifndef _LIBCPP_NEW 12#define _LIBCPP_NEW 13 14/* 15 new synopsis 16 17namespace std 18{ 19 20class bad_alloc 21 : public exception 22{ 23public: 24 bad_alloc() noexcept; 25 bad_alloc(const bad_alloc&) noexcept; 26 bad_alloc& operator=(const bad_alloc&) noexcept; 27 virtual const char* what() const noexcept; 28}; 29 30struct nothrow_t {}; 31extern const nothrow_t nothrow; 32typedef void (*new_handler)(); 33new_handler set_new_handler(new_handler new_p) noexcept; 34new_handler get_new_handler() noexcept; 35 36} // std 37 38void* operator new(std::size_t size); // replaceable 39void* operator new(std::size_t size, const std::nothrow_t&) noexcept; // replaceable 40void operator delete(void* ptr) noexcept; // replaceable 41void operator delete(void* ptr, const std::nothrow_t&) noexcept; // replaceable 42 43void* operator new[](std::size_t size); // replaceable 44void* operator new[](std::size_t size, const std::nothrow_t&) noexcept; // replaceable 45void operator delete[](void* ptr) noexcept; // replaceable 46void operator delete[](void* ptr, const std::nothrow_t&) noexcept; // replaceable 47 48void* operator new (std::size_t size, void* ptr) noexcept; 49void* operator new[](std::size_t size, void* ptr) noexcept; 50void operator delete (void* ptr, void*) noexcept; 51void operator delete[](void* ptr, void*) noexcept; 52 53*/ 54 55#include <__config> 56#include <exception> 57#include <cstddef> 58 59#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER) 60#pragma GCC system_header 61#endif 62 63namespace std // purposefully not using versioning namespace 64{ 65 66class _LIBCPP_EXCEPTION_ABI bad_alloc 67 : public exception 68{ 69public: 70 bad_alloc() _NOEXCEPT; 71 virtual ~bad_alloc() _NOEXCEPT; 72 virtual const char* what() const _NOEXCEPT; 73}; 74 75class _LIBCPP_EXCEPTION_ABI bad_array_new_length 76 : public bad_alloc 77{ 78public: 79 bad_array_new_length() _NOEXCEPT; 80 virtual ~bad_array_new_length() _NOEXCEPT; 81 virtual const char* what() const _NOEXCEPT; 82}; 83 84void __throw_bad_alloc(); // not in C++ spec 85 86struct _LIBCPP_TYPE_VIS nothrow_t {}; 87extern _LIBCPP_FUNC_VIS const nothrow_t nothrow; 88typedef void (*new_handler)(); 89_LIBCPP_FUNC_VIS new_handler set_new_handler(new_handler) _NOEXCEPT; 90_LIBCPP_FUNC_VIS new_handler get_new_handler() _NOEXCEPT; 91 92} // std 93 94_LIBCPP_FUNC_VIS void* operator new(std::size_t __sz) 95#if !__has_feature(cxx_noexcept) 96 throw(std::bad_alloc) 97#endif 98; 99_LIBCPP_FUNC_VIS void* operator new(std::size_t __sz, const std::nothrow_t&) _NOEXCEPT _NOALIAS; 100_LIBCPP_FUNC_VIS void operator delete(void* __p) _NOEXCEPT; 101_LIBCPP_FUNC_VIS void operator delete(void* __p, const std::nothrow_t&) _NOEXCEPT; 102 103_LIBCPP_FUNC_VIS void* operator new[](std::size_t __sz) 104#if !__has_feature(cxx_noexcept) 105 throw(std::bad_alloc) 106#endif 107; 108_LIBCPP_FUNC_VIS void* operator new[](std::size_t __sz, const std::nothrow_t&) _NOEXCEPT _NOALIAS; 109_LIBCPP_FUNC_VIS void operator delete[](void* __p) _NOEXCEPT; 110_LIBCPP_FUNC_VIS void operator delete[](void* __p, const std::nothrow_t&) _NOEXCEPT; 111 112_LIBCPP_INLINE_VISIBILITY inline void* operator new (std::size_t, void* __p) _NOEXCEPT {return __p;} 113_LIBCPP_INLINE_VISIBILITY inline void* operator new[](std::size_t, void* __p) _NOEXCEPT {return __p;} 114_LIBCPP_INLINE_VISIBILITY inline void operator delete (void*, void*) _NOEXCEPT {} 115_LIBCPP_INLINE_VISIBILITY inline void operator delete[](void*, void*) _NOEXCEPT {} 116 117#endif // _LIBCPP_NEW 118