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 17 namespace std 18 { 19 20 class bad_alloc 21 : public exception 22 { 23 public: 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 30 struct nothrow_t {}; 31 extern const nothrow_t nothrow; 32 typedef void (*new_handler)(); 33 new_handler set_new_handler(new_handler new_p) noexcept; 34 new_handler get_new_handler() noexcept; 35 36 } // std 37 38 void* operator new(std::size_t size); // replaceable 39 void* operator new(std::size_t size, const std::nothrow_t&) noexcept; // replaceable 40 void operator delete(void* ptr) noexcept; // replaceable 41 void operator delete(void* ptr, const std::nothrow_t&) noexcept; // replaceable 42 43 void* operator new[](std::size_t size); // replaceable 44 void* operator new[](std::size_t size, const std::nothrow_t&) noexcept; // replaceable 45 void operator delete[](void* ptr) noexcept; // replaceable 46 void operator delete[](void* ptr, const std::nothrow_t&) noexcept; // replaceable 47 48 void* operator new (std::size_t size, void* ptr) noexcept; 49 void* operator new[](std::size_t size, void* ptr) noexcept; 50 void operator delete (void* ptr, void*) noexcept; 51 void 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 63 namespace std // purposefully not using versioning namespace 64 { 65 66 class _LIBCPP_EXCEPTION_ABI bad_alloc 67 : public exception 68 { 69 public: 70 bad_alloc() _NOEXCEPT; 71 virtual ~bad_alloc() _NOEXCEPT; 72 virtual const char* what() const _NOEXCEPT; 73 }; 74 75 class _LIBCPP_EXCEPTION_ABI bad_array_new_length 76 : public bad_alloc 77 { 78 public: 79 bad_array_new_length() _NOEXCEPT; 80 virtual ~bad_array_new_length() _NOEXCEPT; 81 virtual const char* what() const _NOEXCEPT; 82 }; 83 84 void __throw_bad_alloc(); // not in C++ spec 85 86 struct _LIBCPP_TYPE_VIS nothrow_t {}; 87 extern _LIBCPP_FUNC_VIS const nothrow_t nothrow; 88 typedef 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
