diff options
Diffstat (limited to 'contrib/libc++/include/new')
| -rw-r--r-- | contrib/libc++/include/new | 182 |
1 files changed, 182 insertions, 0 deletions
diff --git a/contrib/libc++/include/new b/contrib/libc++/include/new new file mode 100644 index 0000000..d2b2ae6 --- /dev/null +++ b/contrib/libc++/include/new @@ -0,0 +1,182 @@ +// -*- 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() noexcept; + bad_alloc(const bad_alloc&) noexcept; + bad_alloc& operator=(const bad_alloc&) noexcept; + virtual const char* what() const noexcept; +}; + +class bad_array_length : public bad_alloc // C++14 +{ +public: + bad_array_length() noexcept; +}; + +class bad_array_new_length : public bad_alloc +{ +public: + bad_array_new_length() noexcept; +}; + +struct nothrow_t {}; +extern const nothrow_t nothrow; +typedef void (*new_handler)(); +new_handler set_new_handler(new_handler new_p) noexcept; +new_handler get_new_handler() noexcept; + +} // std + +void* operator new(std::size_t size); // replaceable +void* operator new(std::size_t size, const std::nothrow_t&) noexcept; // replaceable +void operator delete(void* ptr) noexcept; // replaceable +void operator delete(void* ptr, std::size_t size) noexcept; // replaceable, C++14 +void operator delete(void* ptr, const std::nothrow_t&) noexcept; // replaceable + +void* operator new[](std::size_t size); // replaceable +void* operator new[](std::size_t size, const std::nothrow_t&) noexcept; // replaceable +void operator delete[](void* ptr) noexcept; // replaceable +void operator delete[](void* ptr, std::size_t size) noexcept; // replaceable, C++14 +void operator delete[](void* ptr, const std::nothrow_t&) noexcept; // replaceable + +void* operator new (std::size_t size, void* ptr) noexcept; +void* operator new[](std::size_t size, void* ptr) noexcept; +void operator delete (void* ptr, void*) noexcept; +void operator delete[](void* ptr, void*) noexcept; + +*/ + +#include <__config> +#include <exception> +#include <cstddef> + +#include <__undef___deallocate> + +#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER) +#pragma GCC system_header +#endif + +namespace std // purposefully not using versioning namespace +{ + +class _LIBCPP_EXCEPTION_ABI bad_alloc + : public exception +{ +public: + bad_alloc() _NOEXCEPT; + virtual ~bad_alloc() _NOEXCEPT; + virtual const char* what() const _NOEXCEPT; +}; + +class _LIBCPP_EXCEPTION_ABI bad_array_new_length + : public bad_alloc +{ +public: + bad_array_new_length() _NOEXCEPT; + virtual ~bad_array_new_length() _NOEXCEPT; + virtual const char* what() const _NOEXCEPT; +}; + +#if defined(_LIBCPP_BUILDING_NEW) || (_LIBCPP_STD_VER > 11) + +class _LIBCPP_EXCEPTION_ABI bad_array_length + : public bad_alloc +{ +public: + bad_array_length() _NOEXCEPT; + virtual ~bad_array_length() _NOEXCEPT; + virtual const char* what() const _NOEXCEPT; +}; + +#define _LIBCPP_BAD_ARRAY_LENGTH_DEFINED + +#endif // defined(_LIBCPP_BUILDING_NEW) || (_LIBCPP_STD_VER > 11) + +_LIBCPP_FUNC_VIS void __throw_bad_alloc(); // not in C++ spec + +struct _LIBCPP_TYPE_VIS nothrow_t {}; +extern _LIBCPP_FUNC_VIS const nothrow_t nothrow; +typedef void (*new_handler)(); +_LIBCPP_FUNC_VIS new_handler set_new_handler(new_handler) _NOEXCEPT; +_LIBCPP_FUNC_VIS new_handler get_new_handler() _NOEXCEPT; + +} // std + +#if defined(_WIN32) && !defined(cxx_EXPORTS) +# define _LIBCPP_NEW_DELETE_VIS _LIBCPP_FUNC_VIS_ONLY +#else +# define _LIBCPP_NEW_DELETE_VIS _LIBCPP_FUNC_VIS +#endif + +_LIBCPP_NEW_DELETE_VIS void* operator new(std::size_t __sz) +#if !__has_feature(cxx_noexcept) + throw(std::bad_alloc) +#endif +; +_LIBCPP_NEW_DELETE_VIS void* operator new(std::size_t __sz, const std::nothrow_t&) _NOEXCEPT _NOALIAS; +_LIBCPP_NEW_DELETE_VIS void operator delete(void* __p) _NOEXCEPT; +_LIBCPP_NEW_DELETE_VIS void operator delete(void* __p, const std::nothrow_t&) _NOEXCEPT; +#if defined(_LIBCPP_BUILDING_NEW) || _LIBCPP_STD_VER >= 14 || \ + (defined(__cpp_sized_deallocation) && __cpp_sized_deallocation >= 201309) +_LIBCPP_NEW_DELETE_VIS void operator delete(void* __p, std::size_t __sz) _NOEXCEPT; +#endif + +_LIBCPP_NEW_DELETE_VIS void* operator new[](std::size_t __sz) +#if !__has_feature(cxx_noexcept) + throw(std::bad_alloc) +#endif +; +_LIBCPP_NEW_DELETE_VIS void* operator new[](std::size_t __sz, const std::nothrow_t&) _NOEXCEPT _NOALIAS; +_LIBCPP_NEW_DELETE_VIS void operator delete[](void* __p) _NOEXCEPT; +_LIBCPP_NEW_DELETE_VIS void operator delete[](void* __p, const std::nothrow_t&) _NOEXCEPT; +#if defined(_LIBCPP_BUILDING_NEW) || _LIBCPP_STD_VER >= 14 || \ + (defined(__cpp_sized_deallocation) && __cpp_sized_deallocation >= 201309) +_LIBCPP_NEW_DELETE_VIS void operator delete[](void* __p, std::size_t __sz) _NOEXCEPT; +#endif + +inline _LIBCPP_INLINE_VISIBILITY void* operator new (std::size_t, void* __p) _NOEXCEPT {return __p;} +inline _LIBCPP_INLINE_VISIBILITY void* operator new[](std::size_t, void* __p) _NOEXCEPT {return __p;} +inline _LIBCPP_INLINE_VISIBILITY void operator delete (void*, void*) _NOEXCEPT {} +inline _LIBCPP_INLINE_VISIBILITY void operator delete[](void*, void*) _NOEXCEPT {} + +_LIBCPP_BEGIN_NAMESPACE_STD + +inline _LIBCPP_INLINE_VISIBILITY void *__allocate(size_t __size) { +#ifdef _LIBCPP_HAS_NO_BUILTIN_OPERATOR_NEW_DELETE + return ::operator new(__size); +#else + return __builtin_operator_new(__size); +#endif +} + +inline _LIBCPP_INLINE_VISIBILITY void __deallocate(void *__ptr) { +#ifdef _LIBCPP_HAS_NO_BUILTIN_OPERATOR_NEW_DELETE + ::operator delete(__ptr); +#else + __builtin_operator_delete(__ptr); +#endif +} + +_LIBCPP_END_NAMESPACE_STD + +#endif // _LIBCPP_NEW |
