diff options
Diffstat (limited to 'contrib/llvm-project/libcxx/include/__memory/construct_at.h')
| -rw-r--r-- | contrib/llvm-project/libcxx/include/__memory/construct_at.h | 39 |
1 files changed, 22 insertions, 17 deletions
diff --git a/contrib/llvm-project/libcxx/include/__memory/construct_at.h b/contrib/llvm-project/libcxx/include/__memory/construct_at.h index 14484dd6aa0d..a032c33b47a8 100644 --- a/contrib/llvm-project/libcxx/include/__memory/construct_at.h +++ b/contrib/llvm-project/libcxx/include/__memory/construct_at.h @@ -26,26 +26,29 @@ # pragma GCC system_header #endif +_LIBCPP_PUSH_MACROS +#include <__undef_macros> + _LIBCPP_BEGIN_NAMESPACE_STD // construct_at -#if _LIBCPP_STD_VER > 17 +#if _LIBCPP_STD_VER >= 20 template <class _Tp, class... _Args, class = decltype(::new(std::declval<void*>()) _Tp(std::declval<_Args>()...))> _LIBCPP_HIDE_FROM_ABI constexpr _Tp* construct_at(_Tp* __location, _Args&&... __args) { - _LIBCPP_ASSERT(__location != nullptr, "null pointer given to construct_at"); - return ::new (_VSTD::__voidify(*__location)) _Tp(_VSTD::forward<_Args>(__args)...); + _LIBCPP_ASSERT_UNCATEGORIZED(__location != nullptr, "null pointer given to construct_at"); + return ::new (std::__voidify(*__location)) _Tp(std::forward<_Args>(__args)...); } #endif template <class _Tp, class... _Args, class = decltype(::new(std::declval<void*>()) _Tp(std::declval<_Args>()...))> _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR _Tp* __construct_at(_Tp* __location, _Args&&... __args) { -#if _LIBCPP_STD_VER > 17 +#if _LIBCPP_STD_VER >= 20 return std::construct_at(__location, std::forward<_Args>(__args)...); #else - return _LIBCPP_ASSERT(__location != nullptr, "null pointer given to construct_at"), + return _LIBCPP_ASSERT_UNCATEGORIZED(__location != nullptr, "null pointer given to construct_at"), ::new (std::__voidify(*__location)) _Tp(std::forward<_Args>(__args)...); #endif } @@ -62,16 +65,16 @@ _ForwardIterator __destroy(_ForwardIterator, _ForwardIterator); template <class _Tp, typename enable_if<!is_array<_Tp>::value, int>::type = 0> _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 void __destroy_at(_Tp* __loc) { - _LIBCPP_ASSERT(__loc != nullptr, "null pointer given to destroy_at"); + _LIBCPP_ASSERT_UNCATEGORIZED(__loc != nullptr, "null pointer given to destroy_at"); __loc->~_Tp(); } -#if _LIBCPP_STD_VER > 17 +#if _LIBCPP_STD_VER >= 20 template <class _Tp, typename enable_if<is_array<_Tp>::value, int>::type = 0> _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 void __destroy_at(_Tp* __loc) { - _LIBCPP_ASSERT(__loc != nullptr, "null pointer given to destroy_at"); - _VSTD::__destroy(_VSTD::begin(*__loc), _VSTD::end(*__loc)); + _LIBCPP_ASSERT_UNCATEGORIZED(__loc != nullptr, "null pointer given to destroy_at"); + std::__destroy(std::begin(*__loc), std::end(*__loc)); } #endif @@ -79,7 +82,7 @@ template <class _ForwardIterator> _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 _ForwardIterator __destroy(_ForwardIterator __first, _ForwardIterator __last) { for (; __first != __last; ++__first) - _VSTD::__destroy_at(_VSTD::addressof(*__first)); + std::__destroy_at(std::addressof(*__first)); return __first; } @@ -93,38 +96,40 @@ _BidirectionalIterator __reverse_destroy(_BidirectionalIterator __first, _Bidire return __last; } -#if _LIBCPP_STD_VER > 14 +#if _LIBCPP_STD_VER >= 17 template <class _Tp, enable_if_t<!is_array_v<_Tp>, int> = 0> _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 void destroy_at(_Tp* __loc) { - _VSTD::__destroy_at(__loc); + std::__destroy_at(__loc); } -#if _LIBCPP_STD_VER > 17 +#if _LIBCPP_STD_VER >= 20 template <class _Tp, enable_if_t<is_array_v<_Tp>, int> = 0> _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 void destroy_at(_Tp* __loc) { - _VSTD::__destroy_at(__loc); + std::__destroy_at(__loc); } #endif template <class _ForwardIterator> _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 void destroy(_ForwardIterator __first, _ForwardIterator __last) { - (void)_VSTD::__destroy(_VSTD::move(__first), _VSTD::move(__last)); + (void)std::__destroy(std::move(__first), std::move(__last)); } template <class _ForwardIterator, class _Size> _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 _ForwardIterator destroy_n(_ForwardIterator __first, _Size __n) { for (; __n > 0; (void)++__first, --__n) - _VSTD::__destroy_at(_VSTD::addressof(*__first)); + std::__destroy_at(std::addressof(*__first)); return __first; } -#endif // _LIBCPP_STD_VER > 14 +#endif // _LIBCPP_STD_VER >= 17 _LIBCPP_END_NAMESPACE_STD +_LIBCPP_POP_MACROS + #endif // _LIBCPP___MEMORY_CONSTRUCT_AT_H |