[libc++] Split the memory-related algorithms out of <memory>
Differential Revision: https://reviews.llvm.org/D100318
GitOrigin-RevId: 4f9b2469f33f07d0e730915bcfab9ce74c34980d
diff --git a/include/memory b/include/memory
index 01cbced..609439e 100644
--- a/include/memory
+++ b/include/memory
@@ -687,6 +687,7 @@
#include <__memory/pointer_traits.h>
#include <__memory/raw_storage_iterator.h>
#include <__memory/temporary_buffer.h>
+#include <__memory/uninitialized_algorithms.h>
#include <__memory/utilities.h>
#if !defined(_LIBCPP_HAS_NO_ATOMIC_HEADER)
# include <atomic>
@@ -1601,236 +1602,6 @@
{__alloc_traits::deallocate(__alloc_, __p, __s_);}
};
-template <class _InputIterator, class _ForwardIterator>
-_ForwardIterator
-uninitialized_copy(_InputIterator __f, _InputIterator __l, _ForwardIterator __r)
-{
- typedef typename iterator_traits<_ForwardIterator>::value_type value_type;
-#ifndef _LIBCPP_NO_EXCEPTIONS
- _ForwardIterator __s = __r;
- try
- {
-#endif
- for (; __f != __l; ++__f, (void) ++__r)
- ::new ((void*)_VSTD::addressof(*__r)) value_type(*__f);
-#ifndef _LIBCPP_NO_EXCEPTIONS
- }
- catch (...)
- {
- for (; __s != __r; ++__s)
- __s->~value_type();
- throw;
- }
-#endif
- return __r;
-}
-
-template <class _InputIterator, class _Size, class _ForwardIterator>
-_ForwardIterator
-uninitialized_copy_n(_InputIterator __f, _Size __n, _ForwardIterator __r)
-{
- typedef typename iterator_traits<_ForwardIterator>::value_type value_type;
-#ifndef _LIBCPP_NO_EXCEPTIONS
- _ForwardIterator __s = __r;
- try
- {
-#endif
- for (; __n > 0; ++__f, (void) ++__r, (void) --__n)
- ::new ((void*)_VSTD::addressof(*__r)) value_type(*__f);
-#ifndef _LIBCPP_NO_EXCEPTIONS
- }
- catch (...)
- {
- for (; __s != __r; ++__s)
- __s->~value_type();
- throw;
- }
-#endif
- return __r;
-}
-
-template <class _ForwardIterator, class _Tp>
-void
-uninitialized_fill(_ForwardIterator __f, _ForwardIterator __l, const _Tp& __x)
-{
- typedef typename iterator_traits<_ForwardIterator>::value_type value_type;
-#ifndef _LIBCPP_NO_EXCEPTIONS
- _ForwardIterator __s = __f;
- try
- {
-#endif
- for (; __f != __l; ++__f)
- ::new ((void*)_VSTD::addressof(*__f)) value_type(__x);
-#ifndef _LIBCPP_NO_EXCEPTIONS
- }
- catch (...)
- {
- for (; __s != __f; ++__s)
- __s->~value_type();
- throw;
- }
-#endif
-}
-
-template <class _ForwardIterator, class _Size, class _Tp>
-_ForwardIterator
-uninitialized_fill_n(_ForwardIterator __f, _Size __n, const _Tp& __x)
-{
- typedef typename iterator_traits<_ForwardIterator>::value_type value_type;
-#ifndef _LIBCPP_NO_EXCEPTIONS
- _ForwardIterator __s = __f;
- try
- {
-#endif
- for (; __n > 0; ++__f, (void) --__n)
- ::new ((void*)_VSTD::addressof(*__f)) value_type(__x);
-#ifndef _LIBCPP_NO_EXCEPTIONS
- }
- catch (...)
- {
- for (; __s != __f; ++__s)
- __s->~value_type();
- throw;
- }
-#endif
- return __f;
-}
-
-#if _LIBCPP_STD_VER > 14
-
-template <class _ForwardIterator>
-inline _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX17
-void destroy(_ForwardIterator __first, _ForwardIterator __last) {
- for (; __first != __last; ++__first)
- _VSTD::destroy_at(_VSTD::addressof(*__first));
-}
-
-template <class _ForwardIterator, class _Size>
-inline _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX17
-_ForwardIterator destroy_n(_ForwardIterator __first, _Size __n) {
- for (; __n > 0; (void)++__first, --__n)
- _VSTD::destroy_at(_VSTD::addressof(*__first));
- return __first;
-}
-
-template <class _ForwardIterator>
-inline _LIBCPP_INLINE_VISIBILITY
-void uninitialized_default_construct(_ForwardIterator __first, _ForwardIterator __last) {
- using _Vt = typename iterator_traits<_ForwardIterator>::value_type;
- auto __idx = __first;
-#ifndef _LIBCPP_NO_EXCEPTIONS
- try {
-#endif
- for (; __idx != __last; ++__idx)
- ::new ((void*)_VSTD::addressof(*__idx)) _Vt;
-#ifndef _LIBCPP_NO_EXCEPTIONS
- } catch (...) {
- _VSTD::destroy(__first, __idx);
- throw;
- }
-#endif
-}
-
-template <class _ForwardIterator, class _Size>
-inline _LIBCPP_INLINE_VISIBILITY
-_ForwardIterator uninitialized_default_construct_n(_ForwardIterator __first, _Size __n) {
- using _Vt = typename iterator_traits<_ForwardIterator>::value_type;
- auto __idx = __first;
-#ifndef _LIBCPP_NO_EXCEPTIONS
- try {
-#endif
- for (; __n > 0; (void)++__idx, --__n)
- ::new ((void*)_VSTD::addressof(*__idx)) _Vt;
- return __idx;
-#ifndef _LIBCPP_NO_EXCEPTIONS
- } catch (...) {
- _VSTD::destroy(__first, __idx);
- throw;
- }
-#endif
-}
-
-
-template <class _ForwardIterator>
-inline _LIBCPP_INLINE_VISIBILITY
-void uninitialized_value_construct(_ForwardIterator __first, _ForwardIterator __last) {
- using _Vt = typename iterator_traits<_ForwardIterator>::value_type;
- auto __idx = __first;
-#ifndef _LIBCPP_NO_EXCEPTIONS
- try {
-#endif
- for (; __idx != __last; ++__idx)
- ::new ((void*)_VSTD::addressof(*__idx)) _Vt();
-#ifndef _LIBCPP_NO_EXCEPTIONS
- } catch (...) {
- _VSTD::destroy(__first, __idx);
- throw;
- }
-#endif
-}
-
-template <class _ForwardIterator, class _Size>
-inline _LIBCPP_INLINE_VISIBILITY
-_ForwardIterator uninitialized_value_construct_n(_ForwardIterator __first, _Size __n) {
- using _Vt = typename iterator_traits<_ForwardIterator>::value_type;
- auto __idx = __first;
-#ifndef _LIBCPP_NO_EXCEPTIONS
- try {
-#endif
- for (; __n > 0; (void)++__idx, --__n)
- ::new ((void*)_VSTD::addressof(*__idx)) _Vt();
- return __idx;
-#ifndef _LIBCPP_NO_EXCEPTIONS
- } catch (...) {
- _VSTD::destroy(__first, __idx);
- throw;
- }
-#endif
-}
-
-
-template <class _InputIt, class _ForwardIt>
-inline _LIBCPP_INLINE_VISIBILITY
-_ForwardIt uninitialized_move(_InputIt __first, _InputIt __last, _ForwardIt __first_res) {
- using _Vt = typename iterator_traits<_ForwardIt>::value_type;
- auto __idx = __first_res;
-#ifndef _LIBCPP_NO_EXCEPTIONS
- try {
-#endif
- for (; __first != __last; (void)++__idx, ++__first)
- ::new ((void*)_VSTD::addressof(*__idx)) _Vt(_VSTD::move(*__first));
- return __idx;
-#ifndef _LIBCPP_NO_EXCEPTIONS
- } catch (...) {
- _VSTD::destroy(__first_res, __idx);
- throw;
- }
-#endif
-}
-
-template <class _InputIt, class _Size, class _ForwardIt>
-inline _LIBCPP_INLINE_VISIBILITY
-pair<_InputIt, _ForwardIt>
-uninitialized_move_n(_InputIt __first, _Size __n, _ForwardIt __first_res) {
- using _Vt = typename iterator_traits<_ForwardIt>::value_type;
- auto __idx = __first_res;
-#ifndef _LIBCPP_NO_EXCEPTIONS
- try {
-#endif
- for (; __n > 0; ++__idx, (void)++__first, --__n)
- ::new ((void*)_VSTD::addressof(*__idx)) _Vt(_VSTD::move(*__first));
- return {__first, __idx};
-#ifndef _LIBCPP_NO_EXCEPTIONS
- } catch (...) {
- _VSTD::destroy(__first_res, __idx);
- throw;
- }
-#endif
-}
-
-
-#endif // _LIBCPP_STD_VER > 14
-
// NOTE: Relaxed and acq/rel atomics (for increment and decrement respectively)
// should be sufficient for thread safety.
// See https://llvm.org/PR22803