My previous reorganization of addressof broke -std=c++03. Thanks much to Arnold Schwaighofer for catching this. This patch also catches a few more missing addressof in <future>, thanks go to Zhihao Yuan for catching these.

git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@187997 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Howard Hinnant
2013-08-08 18:38:55 +00:00
parent a709c823f7
commit a4e87abbb9
3 changed files with 56 additions and 53 deletions

View File

@@ -618,55 +618,7 @@ void* align(size_t alignment, size_t size, void*& ptr, size_t& space);
_LIBCPP_BEGIN_NAMESPACE_STD
// addressof
template <class _Tp>
inline _LIBCPP_INLINE_VISIBILITY
_Tp*
addressof(_Tp& __x) _NOEXCEPT
{
return (_Tp*)&reinterpret_cast<const volatile char&>(__x);
}
#if defined(_LIBCPP_HAS_OBJC_ARC) && !defined(_LIBCPP_PREDEFINED_OBJC_ARC_ADDRESSOF)
// Objective-C++ Automatic Reference Counting uses qualified pointers
// that require special addressof() signatures. When
// _LIBCPP_PREDEFINED_OBJC_ARC_ADDRESSOF is defined, the compiler
// itself is providing these definitions. Otherwise, we provide them.
template <class _Tp>
inline _LIBCPP_INLINE_VISIBILITY
__strong _Tp*
addressof(__strong _Tp& __x) _NOEXCEPT
{
return &__x;
}
#ifdef _LIBCPP_HAS_OBJC_ARC_WEAK
template <class _Tp>
inline _LIBCPP_INLINE_VISIBILITY
__weak _Tp*
addressof(__weak _Tp& __x) _NOEXCEPT
{
return &__x;
}
#endif
template <class _Tp>
inline _LIBCPP_INLINE_VISIBILITY
__autoreleasing _Tp*
addressof(__autoreleasing _Tp& __x) _NOEXCEPT
{
return &__x;
}
template <class _Tp>
inline _LIBCPP_INLINE_VISIBILITY
__unsafe_unretained _Tp*
addressof(__unsafe_unretained _Tp& __x) _NOEXCEPT
{
return &__x;
}
#endif
// addressof moved to <__functional_base>
template <class _Tp> class allocator;