2 //===----------------------------- new ------------------------------------===//
4 // The LLVM Compiler Infrastructure
6 // This file is dual licensed under the MIT and the University of Illinois Open
7 // Source Licenses. See LICENSE.TXT for details.
9 //===----------------------------------------------------------------------===//
25 bad_alloc(const bad_alloc&) noexcept;
26 bad_alloc& operator=(const bad_alloc&) noexcept;
27 virtual const char* what() const noexcept;
30 class bad_array_length : public bad_alloc // C++14
33 bad_array_length() noexcept;
36 class bad_array_new_length : public bad_alloc
39 bad_array_new_length() noexcept;
43 extern const nothrow_t nothrow;
44 typedef void (*new_handler)();
45 new_handler set_new_handler(new_handler new_p) noexcept;
46 new_handler get_new_handler() noexcept;
50 void* operator new(std::size_t size); // replaceable
51 void* operator new(std::size_t size, const std::nothrow_t&) noexcept; // replaceable
52 void operator delete(void* ptr) noexcept; // replaceable
53 void operator delete(void* ptr, std::size_t size) noexcept; // replaceable, C++14
54 void operator delete(void* ptr, const std::nothrow_t&) noexcept; // replaceable
56 void* operator new[](std::size_t size); // replaceable
57 void* operator new[](std::size_t size, const std::nothrow_t&) noexcept; // replaceable
58 void operator delete[](void* ptr) noexcept; // replaceable
59 void operator delete[](void* ptr, std::size_t size) noexcept; // replaceable, C++14
60 void operator delete[](void* ptr, const std::nothrow_t&) noexcept; // replaceable
62 void* operator new (std::size_t size, void* ptr) noexcept;
63 void* operator new[](std::size_t size, void* ptr) noexcept;
64 void operator delete (void* ptr, void*) noexcept;
65 void operator delete[](void* ptr, void*) noexcept;
73 #include <__undef___deallocate>
75 #if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
76 #pragma GCC system_header
79 namespace std // purposefully not using versioning namespace
82 class _LIBCPP_EXCEPTION_ABI bad_alloc
86 bad_alloc() _NOEXCEPT;
87 virtual ~bad_alloc() _NOEXCEPT;
88 virtual const char* what() const _NOEXCEPT;
91 class _LIBCPP_EXCEPTION_ABI bad_array_new_length
95 bad_array_new_length() _NOEXCEPT;
96 virtual ~bad_array_new_length() _NOEXCEPT;
97 virtual const char* what() const _NOEXCEPT;
100 #if defined(_LIBCPP_BUILDING_NEW) || (_LIBCPP_STD_VER > 11)
102 class _LIBCPP_EXCEPTION_ABI bad_array_length
106 bad_array_length() _NOEXCEPT;
107 virtual ~bad_array_length() _NOEXCEPT;
108 virtual const char* what() const _NOEXCEPT;
111 #define _LIBCPP_BAD_ARRAY_LENGTH_DEFINED
113 #endif // defined(_LIBCPP_BUILDING_NEW) || (_LIBCPP_STD_VER > 11)
115 _LIBCPP_FUNC_VIS void __throw_bad_alloc(); // not in C++ spec
117 struct _LIBCPP_TYPE_VIS nothrow_t {};
118 extern _LIBCPP_FUNC_VIS const nothrow_t nothrow;
119 typedef void (*new_handler)();
120 _LIBCPP_FUNC_VIS new_handler set_new_handler(new_handler) _NOEXCEPT;
121 _LIBCPP_FUNC_VIS new_handler get_new_handler() _NOEXCEPT;
125 #if defined(_WIN32) && !defined(cxx_EXPORTS)
126 # define _LIBCPP_NEW_DELETE_VIS _LIBCPP_FUNC_VIS_ONLY
128 # define _LIBCPP_NEW_DELETE_VIS _LIBCPP_FUNC_VIS
131 _LIBCPP_NEW_DELETE_VIS void* operator new(std::size_t __sz)
132 #if !__has_feature(cxx_noexcept)
133 throw(std::bad_alloc)
136 _LIBCPP_NEW_DELETE_VIS void* operator new(std::size_t __sz, const std::nothrow_t&) _NOEXCEPT _NOALIAS;
137 _LIBCPP_NEW_DELETE_VIS void operator delete(void* __p) _NOEXCEPT;
138 _LIBCPP_NEW_DELETE_VIS void operator delete(void* __p, const std::nothrow_t&) _NOEXCEPT;
139 #if defined(_LIBCPP_BUILDING_NEW) || _LIBCPP_STD_VER >= 14 || \
140 (defined(__cpp_sized_deallocation) && __cpp_sized_deallocation >= 201309)
141 _LIBCPP_NEW_DELETE_VIS void operator delete(void* __p, std::size_t __sz) _NOEXCEPT;
144 _LIBCPP_NEW_DELETE_VIS void* operator new[](std::size_t __sz)
145 #if !__has_feature(cxx_noexcept)
146 throw(std::bad_alloc)
149 _LIBCPP_NEW_DELETE_VIS void* operator new[](std::size_t __sz, const std::nothrow_t&) _NOEXCEPT _NOALIAS;
150 _LIBCPP_NEW_DELETE_VIS void operator delete[](void* __p) _NOEXCEPT;
151 _LIBCPP_NEW_DELETE_VIS void operator delete[](void* __p, const std::nothrow_t&) _NOEXCEPT;
152 #if defined(_LIBCPP_BUILDING_NEW) || _LIBCPP_STD_VER >= 14 || \
153 (defined(__cpp_sized_deallocation) && __cpp_sized_deallocation >= 201309)
154 _LIBCPP_NEW_DELETE_VIS void operator delete[](void* __p, std::size_t __sz) _NOEXCEPT;
157 inline _LIBCPP_INLINE_VISIBILITY void* operator new (std::size_t, void* __p) _NOEXCEPT {return __p;}
158 inline _LIBCPP_INLINE_VISIBILITY void* operator new[](std::size_t, void* __p) _NOEXCEPT {return __p;}
159 inline _LIBCPP_INLINE_VISIBILITY void operator delete (void*, void*) _NOEXCEPT {}
160 inline _LIBCPP_INLINE_VISIBILITY void operator delete[](void*, void*) _NOEXCEPT {}
162 _LIBCPP_BEGIN_NAMESPACE_STD
164 inline _LIBCPP_INLINE_VISIBILITY void *__allocate(size_t __size) {
165 #ifdef _LIBCPP_HAS_NO_BUILTIN_OPERATOR_NEW_DELETE
166 return ::operator new(__size);
168 return __builtin_operator_new(__size);
172 inline _LIBCPP_INLINE_VISIBILITY void __deallocate(void *__ptr) {
173 #ifdef _LIBCPP_HAS_NO_BUILTIN_OPERATOR_NEW_DELETE
174 ::operator delete(__ptr);
176 __builtin_operator_delete(__ptr);
180 _LIBCPP_END_NAMESPACE_STD
182 #endif // _LIBCPP_NEW