mirror of
https://github.com/capstone-engine/llvm-capstone.git
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[libc++] NFCI: Refactor allocator_traits
The implementation had a lot of boilerplate and was more complicated than necessary. This NFC refactoring introduces a few macros to reduce code duplication, and uses a consistent style and formatting for the whole file. Differential Revision: https://reviews.llvm.org/D94544
This commit is contained in:
Louis Dionne
parent
5b77ac32b1
commit
2cb4a96a99
@ -24,564 +24,376 @@ _LIBCPP_PUSH_MACROS
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_LIBCPP_BEGIN_NAMESPACE_STD
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template <class _Tp, class = void>
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struct __has_pointer_type : false_type {};
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#define _LIBCPP_ALLOCATOR_TRAITS_HAS_XXX(NAME, PROPERTY) \
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template <class _Tp, class = void> struct NAME : false_type { }; \
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template <class _Tp> struct NAME<_Tp, typename __void_t<typename _Tp:: PROPERTY >::type> : true_type { }
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template <class _Tp>
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struct __has_pointer_type<_Tp,
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typename __void_t<typename _Tp::pointer>::type> : true_type {};
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namespace __pointer_type_imp
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{
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template <class _Tp, class _Dp, bool = __has_pointer_type<_Dp>::value>
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struct __pointer_type
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{
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typedef _LIBCPP_NODEBUG_TYPE typename _Dp::pointer type;
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// __pointer
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_LIBCPP_ALLOCATOR_TRAITS_HAS_XXX(__has_pointer, pointer);
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template <class _Tp, class _Alloc,
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class _RawAlloc = typename remove_reference<_Alloc>::type,
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bool = __has_pointer<_RawAlloc>::value>
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struct __pointer {
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using type _LIBCPP_NODEBUG_TYPE = typename _RawAlloc::pointer;
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};
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template <class _Tp, class _Alloc, class _RawAlloc>
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struct __pointer<_Tp, _Alloc, _RawAlloc, false> {
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using type _LIBCPP_NODEBUG_TYPE = _Tp*;
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};
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template <class _Tp, class _Dp>
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struct __pointer_type<_Tp, _Dp, false>
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{
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typedef _LIBCPP_NODEBUG_TYPE _Tp* type;
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// __const_pointer
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_LIBCPP_ALLOCATOR_TRAITS_HAS_XXX(__has_const_pointer, const_pointer);
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template <class _Tp, class _Ptr, class _Alloc,
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bool = __has_const_pointer<_Alloc>::value>
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struct __const_pointer {
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using type _LIBCPP_NODEBUG_TYPE = typename _Alloc::const_pointer;
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};
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} // __pointer_type_imp
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template <class _Tp, class _Dp>
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struct __pointer_type
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{
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typedef _LIBCPP_NODEBUG_TYPE typename __pointer_type_imp::__pointer_type<_Tp, typename remove_reference<_Dp>::type>::type type;
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};
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template <class _Tp, class = void>
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struct __has_const_pointer : false_type {};
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template <class _Tp>
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struct __has_const_pointer<_Tp,
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typename __void_t<typename _Tp::const_pointer>::type> : true_type {};
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template <class _Tp, class _Ptr, class _Alloc, bool = __has_const_pointer<_Alloc>::value>
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struct __const_pointer
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{
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typedef _LIBCPP_NODEBUG_TYPE typename _Alloc::const_pointer type;
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};
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template <class _Tp, class _Ptr, class _Alloc>
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struct __const_pointer<_Tp, _Ptr, _Alloc, false>
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{
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#ifndef _LIBCPP_CXX03_LANG
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typedef _LIBCPP_NODEBUG_TYPE typename pointer_traits<_Ptr>::template rebind<const _Tp> type;
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struct __const_pointer<_Tp, _Ptr, _Alloc, false> {
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#ifdef _LIBCPP_CXX03_LANG
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using type = typename pointer_traits<_Ptr>::template rebind<const _Tp>::other;
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#else
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typedef typename pointer_traits<_Ptr>::template rebind<const _Tp>::other type;
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using type _LIBCPP_NODEBUG_TYPE = typename pointer_traits<_Ptr>::template rebind<const _Tp>;
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#endif
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};
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template <class _Tp, class = void>
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struct __has_void_pointer : false_type {};
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template <class _Tp>
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struct __has_void_pointer<_Tp,
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typename __void_t<typename _Tp::void_pointer>::type> : true_type {};
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template <class _Ptr, class _Alloc, bool = __has_void_pointer<_Alloc>::value>
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struct __void_pointer
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{
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typedef _LIBCPP_NODEBUG_TYPE typename _Alloc::void_pointer type;
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// __void_pointer
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_LIBCPP_ALLOCATOR_TRAITS_HAS_XXX(__has_void_pointer, void_pointer);
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template <class _Ptr, class _Alloc,
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bool = __has_void_pointer<_Alloc>::value>
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struct __void_pointer {
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using type _LIBCPP_NODEBUG_TYPE = typename _Alloc::void_pointer;
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};
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template <class _Ptr, class _Alloc>
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struct __void_pointer<_Ptr, _Alloc, false>
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{
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#ifndef _LIBCPP_CXX03_LANG
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typedef _LIBCPP_NODEBUG_TYPE typename pointer_traits<_Ptr>::template rebind<void> type;
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struct __void_pointer<_Ptr, _Alloc, false> {
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#ifdef _LIBCPP_CXX03_LANG
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using type _LIBCPP_NODEBUG_TYPE = typename pointer_traits<_Ptr>::template rebind<void>::other;
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#else
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typedef _LIBCPP_NODEBUG_TYPE typename pointer_traits<_Ptr>::template rebind<void>::other type;
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using type _LIBCPP_NODEBUG_TYPE = typename pointer_traits<_Ptr>::template rebind<void>;
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#endif
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};
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template <class _Tp, class = void>
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struct __has_const_void_pointer : false_type {};
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template <class _Tp>
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struct __has_const_void_pointer<_Tp,
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typename __void_t<typename _Tp::const_void_pointer>::type> : true_type {};
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template <class _Ptr, class _Alloc, bool = __has_const_void_pointer<_Alloc>::value>
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struct __const_void_pointer
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{
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typedef _LIBCPP_NODEBUG_TYPE typename _Alloc::const_void_pointer type;
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// __const_void_pointer
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_LIBCPP_ALLOCATOR_TRAITS_HAS_XXX(__has_const_void_pointer, const_void_pointer);
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template <class _Ptr, class _Alloc,
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bool = __has_const_void_pointer<_Alloc>::value>
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struct __const_void_pointer {
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using type _LIBCPP_NODEBUG_TYPE = typename _Alloc::const_void_pointer;
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};
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template <class _Ptr, class _Alloc>
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struct __const_void_pointer<_Ptr, _Alloc, false>
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{
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#ifndef _LIBCPP_CXX03_LANG
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typedef _LIBCPP_NODEBUG_TYPE typename pointer_traits<_Ptr>::template rebind<const void> type;
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struct __const_void_pointer<_Ptr, _Alloc, false> {
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#ifdef _LIBCPP_CXX03_LANG
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using type _LIBCPP_NODEBUG_TYPE = typename pointer_traits<_Ptr>::template rebind<const void>::other;
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#else
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typedef _LIBCPP_NODEBUG_TYPE typename pointer_traits<_Ptr>::template rebind<const void>::other type;
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using type _LIBCPP_NODEBUG_TYPE = typename pointer_traits<_Ptr>::template rebind<const void>;
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#endif
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};
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template <class _Tp, class = void>
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struct __has_size_type : false_type {};
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template <class _Tp>
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struct __has_size_type<_Tp,
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typename __void_t<typename _Tp::size_type>::type> : true_type {};
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// __size_type
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_LIBCPP_ALLOCATOR_TRAITS_HAS_XXX(__has_size_type, size_type);
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template <class _Alloc, class _DiffType, bool = __has_size_type<_Alloc>::value>
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struct __size_type
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{
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typedef _LIBCPP_NODEBUG_TYPE typename make_unsigned<_DiffType>::type type;
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};
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struct __size_type : make_unsigned<_DiffType> { };
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template <class _Alloc, class _DiffType>
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struct __size_type<_Alloc, _DiffType, true>
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{
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typedef _LIBCPP_NODEBUG_TYPE typename _Alloc::size_type type;
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struct __size_type<_Alloc, _DiffType, true> {
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using type _LIBCPP_NODEBUG_TYPE = typename _Alloc::size_type;
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};
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template <class _Tp, class = void>
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struct __has_propagate_on_container_copy_assignment : false_type {};
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template <class _Tp>
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struct __has_propagate_on_container_copy_assignment<_Tp,
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typename __void_t<typename _Tp::propagate_on_container_copy_assignment>::type>
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: true_type {};
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// __alloc_traits_difference_type
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_LIBCPP_ALLOCATOR_TRAITS_HAS_XXX(__has_alloc_traits_difference_type, difference_type);
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template <class _Alloc, class _Ptr, bool = __has_alloc_traits_difference_type<_Alloc>::value>
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struct __alloc_traits_difference_type {
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using type _LIBCPP_NODEBUG_TYPE = typename pointer_traits<_Ptr>::difference_type;
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};
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template <class _Alloc, class _Ptr>
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struct __alloc_traits_difference_type<_Alloc, _Ptr, true> {
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using type _LIBCPP_NODEBUG_TYPE = typename _Alloc::difference_type;
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};
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// __propagate_on_container_copy_assignment
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_LIBCPP_ALLOCATOR_TRAITS_HAS_XXX(__has_propagate_on_container_copy_assignment, propagate_on_container_copy_assignment);
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template <class _Alloc, bool = __has_propagate_on_container_copy_assignment<_Alloc>::value>
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struct __propagate_on_container_copy_assignment
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{
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typedef _LIBCPP_NODEBUG_TYPE false_type type;
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};
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struct __propagate_on_container_copy_assignment : false_type { };
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template <class _Alloc>
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struct __propagate_on_container_copy_assignment<_Alloc, true>
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{
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typedef _LIBCPP_NODEBUG_TYPE typename _Alloc::propagate_on_container_copy_assignment type;
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struct __propagate_on_container_copy_assignment<_Alloc, true> {
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using type _LIBCPP_NODEBUG_TYPE = typename _Alloc::propagate_on_container_copy_assignment;
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};
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template <class _Tp, class = void>
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struct __has_propagate_on_container_move_assignment : false_type {};
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template <class _Tp>
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struct __has_propagate_on_container_move_assignment<_Tp,
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typename __void_t<typename _Tp::propagate_on_container_move_assignment>::type>
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: true_type {};
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// __propagate_on_container_move_assignment
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_LIBCPP_ALLOCATOR_TRAITS_HAS_XXX(__has_propagate_on_container_move_assignment, propagate_on_container_move_assignment);
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template <class _Alloc, bool = __has_propagate_on_container_move_assignment<_Alloc>::value>
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struct __propagate_on_container_move_assignment
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{
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typedef false_type type;
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};
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struct __propagate_on_container_move_assignment : false_type { };
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template <class _Alloc>
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struct __propagate_on_container_move_assignment<_Alloc, true>
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{
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typedef _LIBCPP_NODEBUG_TYPE typename _Alloc::propagate_on_container_move_assignment type;
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struct __propagate_on_container_move_assignment<_Alloc, true> {
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using type _LIBCPP_NODEBUG_TYPE = typename _Alloc::propagate_on_container_move_assignment;
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};
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template <class _Tp, class = void>
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struct __has_propagate_on_container_swap : false_type {};
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template <class _Tp>
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struct __has_propagate_on_container_swap<_Tp,
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typename __void_t<typename _Tp::propagate_on_container_swap>::type>
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: true_type {};
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// __propagate_on_container_swap
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_LIBCPP_ALLOCATOR_TRAITS_HAS_XXX(__has_propagate_on_container_swap, propagate_on_container_swap);
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template <class _Alloc, bool = __has_propagate_on_container_swap<_Alloc>::value>
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struct __propagate_on_container_swap
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{
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typedef false_type type;
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};
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struct __propagate_on_container_swap : false_type { };
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template <class _Alloc>
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struct __propagate_on_container_swap<_Alloc, true>
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{
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typedef _LIBCPP_NODEBUG_TYPE typename _Alloc::propagate_on_container_swap type;
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struct __propagate_on_container_swap<_Alloc, true> {
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using type _LIBCPP_NODEBUG_TYPE = typename _Alloc::propagate_on_container_swap;
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};
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template <class _Tp, class = void>
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struct __has_is_always_equal : false_type {};
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template <class _Tp>
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struct __has_is_always_equal<_Tp,
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typename __void_t<typename _Tp::is_always_equal>::type>
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: true_type {};
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// __is_always_equal
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_LIBCPP_ALLOCATOR_TRAITS_HAS_XXX(__has_is_always_equal, is_always_equal);
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template <class _Alloc, bool = __has_is_always_equal<_Alloc>::value>
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struct __is_always_equal
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{
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typedef _LIBCPP_NODEBUG_TYPE typename _VSTD::is_empty<_Alloc>::type type;
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};
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struct __is_always_equal : is_empty<_Alloc> { };
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template <class _Alloc>
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struct __is_always_equal<_Alloc, true>
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{
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typedef _LIBCPP_NODEBUG_TYPE typename _Alloc::is_always_equal type;
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};
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template <class _Tp, class _Up, bool = __has_rebind<_Tp, _Up>::value>
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struct __has_rebind_other
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{
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private:
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struct __two {char __lx; char __lxx;};
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template <class _Xp> static __two __test(...);
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_LIBCPP_SUPPRESS_DEPRECATED_PUSH
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template <class _Xp> static char __test(typename _Xp::template rebind<_Up>::other* = 0);
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_LIBCPP_SUPPRESS_DEPRECATED_POP
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public:
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static const bool value = sizeof(__test<_Tp>(0)) == 1;
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struct __is_always_equal<_Alloc, true> {
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using type _LIBCPP_NODEBUG_TYPE = typename _Alloc::is_always_equal;
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};
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// __allocator_traits_rebind
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_LIBCPP_SUPPRESS_DEPRECATED_PUSH
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template <class _Tp, class _Up, class = void>
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struct __has_rebind_other : false_type { };
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template <class _Tp, class _Up>
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struct __has_rebind_other<_Tp, _Up, false>
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{
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static const bool value = false;
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};
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struct __has_rebind_other<_Tp, _Up, typename __void_t<
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typename _Tp::template rebind<_Up>::other
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>::type> : true_type { };
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template <class _Tp, class _Up, bool = __has_rebind_other<_Tp, _Up>::value>
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struct __allocator_traits_rebind
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{
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_LIBCPP_SUPPRESS_DEPRECATED_PUSH
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typedef _LIBCPP_NODEBUG_TYPE typename _Tp::template rebind<_Up>::other type;
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_LIBCPP_SUPPRESS_DEPRECATED_POP
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struct __allocator_traits_rebind {
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using type _LIBCPP_NODEBUG_TYPE = typename _Tp::template rebind<_Up>::other;
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};
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template <template <class, class...> class _Alloc, class _Tp, class ..._Args, class _Up>
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struct __allocator_traits_rebind<_Alloc<_Tp, _Args...>, _Up, true>
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{
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_LIBCPP_SUPPRESS_DEPRECATED_PUSH
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typedef _LIBCPP_NODEBUG_TYPE typename _Alloc<_Tp, _Args...>::template rebind<_Up>::other type;
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_LIBCPP_SUPPRESS_DEPRECATED_POP
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struct __allocator_traits_rebind<_Alloc<_Tp, _Args...>, _Up, true> {
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using type _LIBCPP_NODEBUG_TYPE = typename _Alloc<_Tp, _Args...>::template rebind<_Up>::other;
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};
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template <template <class, class...> class _Alloc, class _Tp, class ..._Args, class _Up>
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struct __allocator_traits_rebind<_Alloc<_Tp, _Args...>, _Up, false>
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{
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typedef _LIBCPP_NODEBUG_TYPE _Alloc<_Up, _Args...> type;
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struct __allocator_traits_rebind<_Alloc<_Tp, _Args...>, _Up, false> {
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using type _LIBCPP_NODEBUG_TYPE = _Alloc<_Up, _Args...>;
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};
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#ifndef _LIBCPP_CXX03_LANG
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_LIBCPP_SUPPRESS_DEPRECATED_PUSH
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template <class _Alloc, class _SizeType, class _ConstVoidPtr>
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auto
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__has_allocate_hint_test(_Alloc&& __a, _SizeType&& __sz, _ConstVoidPtr&& __p)
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-> decltype((void)__a.allocate(__sz, __p), true_type());
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_LIBCPP_SUPPRESS_DEPRECATED_POP
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template <class _Alloc, class _SizeType, class _ConstVoidPtr>
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auto
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__has_allocate_hint_test(const _Alloc& __a, _SizeType&& __sz, _ConstVoidPtr&& __p)
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-> false_type;
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template <class _Alloc, class _SizeType, class _ConstVoidPtr>
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struct __has_allocate_hint
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: decltype(_VSTD::__has_allocate_hint_test(declval<_Alloc>(),
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declval<_SizeType>(),
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declval<_ConstVoidPtr>()))
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{
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};
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#else // _LIBCPP_CXX03_LANG
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template <class _Alloc, class _SizeType, class _ConstVoidPtr>
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struct __has_allocate_hint
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: true_type
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{
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};
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#endif // _LIBCPP_CXX03_LANG
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template<class _Alloc, class _Tp>
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using __allocator_traits_rebind_t = typename __allocator_traits_rebind<_Alloc, _Tp>::type;
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_LIBCPP_SUPPRESS_DEPRECATED_PUSH
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template <class _Alloc, class ..._Args,
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class = decltype(_VSTD::declval<_Alloc>().construct(_VSTD::declval<_Args>()...))>
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static true_type __test_has_construct(int);
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_LIBCPP_SUPPRESS_DEPRECATED_POP
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template <class _Alloc, class...>
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static false_type __test_has_construct(...);
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// __has_allocate_hint
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template <class _Alloc, class _SizeType, class _ConstVoidPtr, class = void>
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struct __has_allocate_hint : false_type { };
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template <class _Alloc, class _SizeType, class _ConstVoidPtr>
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struct __has_allocate_hint<_Alloc, _SizeType, _ConstVoidPtr, decltype(
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(void)declval<_Alloc>().allocate(declval<_SizeType>(), declval<_ConstVoidPtr>())
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)> : true_type { };
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// __has_construct
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template <class, class _Alloc, class ..._Args>
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struct __has_construct_impl : false_type { };
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template <class _Alloc, class ..._Args>
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struct __has_construct : decltype(__test_has_construct<_Alloc, _Args...>(0)) {};
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struct __has_construct_impl<decltype(
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(void)declval<_Alloc>().construct(declval<_Args>()...)
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), _Alloc, _Args...> : true_type { };
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#if !defined(_LIBCPP_CXX03_LANG)
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_LIBCPP_SUPPRESS_DEPRECATED_PUSH
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template <class _Alloc, class _Pointer>
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auto
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__has_destroy_test(_Alloc&& __a, _Pointer&& __p)
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-> decltype(__a.destroy(__p), true_type());
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_LIBCPP_SUPPRESS_DEPRECATED_POP
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|
||||
template <class _Alloc, class _Pointer>
|
||||
auto
|
||||
__has_destroy_test(const _Alloc& __a, _Pointer&& __p)
|
||||
-> false_type;
|
||||
|
||||
template <class _Alloc, class _Pointer>
|
||||
struct __has_destroy
|
||||
: decltype(_VSTD::__has_destroy_test(declval<_Alloc>(),
|
||||
declval<_Pointer>()))
|
||||
{
|
||||
};
|
||||
|
||||
_LIBCPP_SUPPRESS_DEPRECATED_PUSH
|
||||
template <class _Alloc>
|
||||
auto
|
||||
__has_max_size_test(_Alloc&& __a)
|
||||
-> decltype(__a.max_size(), true_type());
|
||||
_LIBCPP_SUPPRESS_DEPRECATED_POP
|
||||
|
||||
template <class _Alloc>
|
||||
auto
|
||||
__has_max_size_test(const volatile _Alloc& __a)
|
||||
-> false_type;
|
||||
|
||||
template <class _Alloc>
|
||||
struct __has_max_size
|
||||
: decltype(_VSTD::__has_max_size_test(declval<_Alloc&>()))
|
||||
{
|
||||
};
|
||||
|
||||
template <class _Alloc>
|
||||
auto
|
||||
__has_select_on_container_copy_construction_test(_Alloc&& __a)
|
||||
-> decltype(__a.select_on_container_copy_construction(), true_type());
|
||||
|
||||
template <class _Alloc>
|
||||
auto
|
||||
__has_select_on_container_copy_construction_test(const volatile _Alloc& __a)
|
||||
-> false_type;
|
||||
|
||||
template <class _Alloc>
|
||||
struct __has_select_on_container_copy_construction
|
||||
: decltype(_VSTD::__has_select_on_container_copy_construction_test(declval<_Alloc&>()))
|
||||
{
|
||||
};
|
||||
|
||||
#else // _LIBCPP_CXX03_LANG
|
||||
template <class _Alloc, class ..._Args>
|
||||
struct __has_construct : __has_construct_impl<void, _Alloc, _Args...> { };
|
||||
|
||||
// __has_destroy
|
||||
template <class _Alloc, class _Pointer, class = void>
|
||||
struct __has_destroy : false_type {};
|
||||
struct __has_destroy : false_type { };
|
||||
|
||||
template <class _Alloc, class _Pointer>
|
||||
struct __has_destroy<_Alloc, _Pointer, typename __void_t<
|
||||
decltype(_VSTD::declval<_Alloc>().destroy(_VSTD::declval<_Pointer>()))
|
||||
>::type> : true_type {};
|
||||
struct __has_destroy<_Alloc, _Pointer, decltype(
|
||||
(void)declval<_Alloc>().destroy(declval<_Pointer>())
|
||||
)> : true_type { };
|
||||
|
||||
// __has_max_size
|
||||
template <class _Alloc, class = void>
|
||||
struct __has_max_size : false_type { };
|
||||
|
||||
template <class _Alloc>
|
||||
struct __has_max_size
|
||||
: true_type
|
||||
{
|
||||
};
|
||||
struct __has_max_size<_Alloc, decltype(
|
||||
(void)declval<_Alloc&>().max_size()
|
||||
)> : true_type { };
|
||||
|
||||
// __has_select_on_container_copy_construction
|
||||
template <class _Alloc, class = void>
|
||||
struct __has_select_on_container_copy_construction : false_type { };
|
||||
|
||||
template <class _Alloc>
|
||||
struct __has_select_on_container_copy_construction
|
||||
: false_type
|
||||
{
|
||||
};
|
||||
|
||||
#endif // _LIBCPP_CXX03_LANG
|
||||
|
||||
template <class _Alloc, class _Ptr, bool = __has_difference_type<_Alloc>::value>
|
||||
struct __alloc_traits_difference_type
|
||||
{
|
||||
typedef _LIBCPP_NODEBUG_TYPE typename pointer_traits<_Ptr>::difference_type type;
|
||||
};
|
||||
|
||||
template <class _Alloc, class _Ptr>
|
||||
struct __alloc_traits_difference_type<_Alloc, _Ptr, true>
|
||||
{
|
||||
typedef _LIBCPP_NODEBUG_TYPE typename _Alloc::difference_type type;
|
||||
};
|
||||
|
||||
template <class _Tp>
|
||||
struct __is_default_allocator : false_type {};
|
||||
|
||||
template <class _Tp>
|
||||
struct __is_default_allocator<_VSTD::allocator<_Tp> > : true_type {};
|
||||
|
||||
|
||||
|
||||
template <class _Alloc,
|
||||
bool = __has_construct<_Alloc, typename _Alloc::value_type*, typename _Alloc::value_type&&>::value && !__is_default_allocator<_Alloc>::value
|
||||
>
|
||||
struct __is_cpp17_move_insertable;
|
||||
template <class _Alloc>
|
||||
struct __is_cpp17_move_insertable<_Alloc, true> : true_type {};
|
||||
template <class _Alloc>
|
||||
struct __is_cpp17_move_insertable<_Alloc, false> : is_move_constructible<typename _Alloc::value_type> {};
|
||||
|
||||
template <class _Alloc,
|
||||
bool = __has_construct<_Alloc, typename _Alloc::value_type*, const typename _Alloc::value_type&>::value && !__is_default_allocator<_Alloc>::value
|
||||
>
|
||||
struct __is_cpp17_copy_insertable;
|
||||
template <class _Alloc>
|
||||
struct __is_cpp17_copy_insertable<_Alloc, true> : __is_cpp17_move_insertable<_Alloc> {};
|
||||
template <class _Alloc>
|
||||
struct __is_cpp17_copy_insertable<_Alloc, false> : integral_constant<bool,
|
||||
is_copy_constructible<typename _Alloc::value_type>::value &&
|
||||
__is_cpp17_move_insertable<_Alloc>::value>
|
||||
{};
|
||||
|
||||
struct __has_select_on_container_copy_construction<_Alloc, decltype(
|
||||
(void)declval<_Alloc>().select_on_container_copy_construction()
|
||||
)> : true_type { };
|
||||
|
||||
_LIBCPP_SUPPRESS_DEPRECATED_POP
|
||||
|
||||
template <class _Alloc>
|
||||
struct _LIBCPP_TEMPLATE_VIS allocator_traits
|
||||
{
|
||||
typedef _Alloc allocator_type;
|
||||
typedef typename allocator_type::value_type value_type;
|
||||
|
||||
typedef typename __pointer_type<value_type, allocator_type>::type pointer;
|
||||
typedef typename __const_pointer<value_type, pointer, allocator_type>::type const_pointer;
|
||||
typedef typename __void_pointer<pointer, allocator_type>::type void_pointer;
|
||||
typedef typename __const_void_pointer<pointer, allocator_type>::type const_void_pointer;
|
||||
|
||||
typedef typename __alloc_traits_difference_type<allocator_type, pointer>::type difference_type;
|
||||
typedef typename __size_type<allocator_type, difference_type>::type size_type;
|
||||
|
||||
typedef typename __propagate_on_container_copy_assignment<allocator_type>::type
|
||||
propagate_on_container_copy_assignment;
|
||||
typedef typename __propagate_on_container_move_assignment<allocator_type>::type
|
||||
propagate_on_container_move_assignment;
|
||||
typedef typename __propagate_on_container_swap<allocator_type>::type
|
||||
propagate_on_container_swap;
|
||||
typedef typename __is_always_equal<allocator_type>::type
|
||||
is_always_equal;
|
||||
using allocator_type = _Alloc;
|
||||
using value_type = typename allocator_type::value_type;
|
||||
using pointer = typename __pointer<value_type, allocator_type>::type;
|
||||
using const_pointer = typename __const_pointer<value_type, pointer, allocator_type>::type;
|
||||
using void_pointer = typename __void_pointer<pointer, allocator_type>::type;
|
||||
using const_void_pointer = typename __const_void_pointer<pointer, allocator_type>::type;
|
||||
using difference_type = typename __alloc_traits_difference_type<allocator_type, pointer>::type;
|
||||
using size_type = typename __size_type<allocator_type, difference_type>::type;
|
||||
using propagate_on_container_copy_assignment = typename __propagate_on_container_copy_assignment<allocator_type>::type;
|
||||
using propagate_on_container_move_assignment = typename __propagate_on_container_move_assignment<allocator_type>::type;
|
||||
using propagate_on_container_swap = typename __propagate_on_container_swap<allocator_type>::type;
|
||||
using is_always_equal = typename __is_always_equal<allocator_type>::type;
|
||||
|
||||
#ifndef _LIBCPP_CXX03_LANG
|
||||
template <class _Tp> using rebind_alloc =
|
||||
typename __allocator_traits_rebind<allocator_type, _Tp>::type;
|
||||
template <class _Tp> using rebind_traits = allocator_traits<rebind_alloc<_Tp> >;
|
||||
template <class _Tp>
|
||||
using rebind_alloc = __allocator_traits_rebind_t<allocator_type, _Tp>;
|
||||
template <class _Tp>
|
||||
using rebind_traits = allocator_traits<rebind_alloc<_Tp> >;
|
||||
#else // _LIBCPP_CXX03_LANG
|
||||
template <class _Tp> struct rebind_alloc
|
||||
{typedef typename __allocator_traits_rebind<allocator_type, _Tp>::type other;};
|
||||
template <class _Tp> struct rebind_traits
|
||||
{typedef allocator_traits<typename rebind_alloc<_Tp>::other> other;};
|
||||
template <class _Tp>
|
||||
struct rebind_alloc {
|
||||
using other = __allocator_traits_rebind_t<allocator_type, _Tp>;
|
||||
};
|
||||
template <class _Tp>
|
||||
struct rebind_traits {
|
||||
using other = allocator_traits<typename rebind_alloc<_Tp>::other>;
|
||||
};
|
||||
#endif // _LIBCPP_CXX03_LANG
|
||||
|
||||
_LIBCPP_NODISCARD_AFTER_CXX17 _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX17
|
||||
static pointer allocate(allocator_type& __a, size_type __n)
|
||||
{return __a.allocate(__n);}
|
||||
static pointer allocate(allocator_type& __a, size_type __n) {
|
||||
return __a.allocate(__n);
|
||||
}
|
||||
|
||||
template <class _Ap = _Alloc, class =
|
||||
_EnableIf<__has_allocate_hint<_Ap, size_type, const_void_pointer>::value> >
|
||||
_LIBCPP_NODISCARD_AFTER_CXX17 _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX17
|
||||
static pointer allocate(allocator_type& __a, size_type __n, const_void_pointer __hint)
|
||||
{return __allocate(__a, __n, __hint,
|
||||
__has_allocate_hint<allocator_type, size_type, const_void_pointer>());}
|
||||
static pointer allocate(allocator_type& __a, size_type __n, const_void_pointer __hint) {
|
||||
_LIBCPP_SUPPRESS_DEPRECATED_PUSH
|
||||
return __a.allocate(__n, __hint);
|
||||
_LIBCPP_SUPPRESS_DEPRECATED_POP
|
||||
}
|
||||
template <class _Ap = _Alloc, class = void, class =
|
||||
_EnableIf<!__has_allocate_hint<_Ap, size_type, const_void_pointer>::value> >
|
||||
_LIBCPP_NODISCARD_AFTER_CXX17 _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX17
|
||||
static pointer allocate(allocator_type& __a, size_type __n, const_void_pointer) {
|
||||
return __a.allocate(__n);
|
||||
}
|
||||
|
||||
_LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX17
|
||||
static void deallocate(allocator_type& __a, pointer __p, size_type __n) _NOEXCEPT
|
||||
{__a.deallocate(__p, __n);}
|
||||
|
||||
template <class _Tp, class... _Args>
|
||||
_LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX17
|
||||
static void construct(allocator_type& __a, _Tp* __p, _Args&&... __args)
|
||||
{__construct(__has_construct<allocator_type, _Tp*, _Args...>(),
|
||||
__a, __p, _VSTD::forward<_Args>(__args)...);}
|
||||
|
||||
template <class _Tp>
|
||||
_LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX17
|
||||
static void destroy(allocator_type& __a, _Tp* __p)
|
||||
{__destroy(__has_destroy<allocator_type, _Tp*>(), __a, __p);}
|
||||
static void deallocate(allocator_type& __a, pointer __p, size_type __n) _NOEXCEPT {
|
||||
__a.deallocate(__p, __n);
|
||||
}
|
||||
|
||||
template <class _Tp, class... _Args, class =
|
||||
_EnableIf<__has_construct<allocator_type, _Tp*, _Args...>::value> >
|
||||
_LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX17
|
||||
static size_type max_size(const allocator_type& __a) _NOEXCEPT
|
||||
{return __max_size(__has_max_size<const allocator_type>(), __a);}
|
||||
|
||||
static void construct(allocator_type& __a, _Tp* __p, _Args&&... __args) {
|
||||
_LIBCPP_SUPPRESS_DEPRECATED_PUSH
|
||||
__a.construct(__p, _VSTD::forward<_Args>(__args)...);
|
||||
_LIBCPP_SUPPRESS_DEPRECATED_POP
|
||||
}
|
||||
template <class _Tp, class... _Args, class = void, class =
|
||||
_EnableIf<!__has_construct<allocator_type, _Tp*, _Args...>::value> >
|
||||
_LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX17
|
||||
static allocator_type
|
||||
select_on_container_copy_construction(const allocator_type& __a)
|
||||
{return __select_on_container_copy_construction(
|
||||
__has_select_on_container_copy_construction<const allocator_type>(),
|
||||
__a);}
|
||||
|
||||
private:
|
||||
_LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX17
|
||||
static pointer __allocate(allocator_type& __a, size_type __n,
|
||||
const_void_pointer __hint, true_type)
|
||||
{
|
||||
_LIBCPP_SUPPRESS_DEPRECATED_PUSH
|
||||
return __a.allocate(__n, __hint);
|
||||
_LIBCPP_SUPPRESS_DEPRECATED_POP
|
||||
}
|
||||
_LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX17
|
||||
static pointer __allocate(allocator_type& __a, size_type __n,
|
||||
const_void_pointer, false_type)
|
||||
{return __a.allocate(__n);}
|
||||
|
||||
template <class _Tp, class... _Args>
|
||||
_LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX17
|
||||
static void __construct(true_type, allocator_type& __a, _Tp* __p, _Args&&... __args)
|
||||
{
|
||||
_LIBCPP_SUPPRESS_DEPRECATED_PUSH
|
||||
__a.construct(__p, _VSTD::forward<_Args>(__args)...);
|
||||
_LIBCPP_SUPPRESS_DEPRECATED_POP
|
||||
}
|
||||
|
||||
template <class _Tp, class... _Args>
|
||||
_LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX17
|
||||
static void __construct(false_type, allocator_type&, _Tp* __p, _Args&&... __args)
|
||||
{
|
||||
static void construct(allocator_type&, _Tp* __p, _Args&&... __args) {
|
||||
#if _LIBCPP_STD_VER > 17
|
||||
_VSTD::construct_at(__p, _VSTD::forward<_Args>(__args)...);
|
||||
_VSTD::construct_at(__p, _VSTD::forward<_Args>(__args)...);
|
||||
#else
|
||||
::new ((void*)__p) _Tp(_VSTD::forward<_Args>(__args)...);
|
||||
::new ((void*)__p) _Tp(_VSTD::forward<_Args>(__args)...);
|
||||
#endif
|
||||
}
|
||||
}
|
||||
|
||||
template <class _Tp>
|
||||
_LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX17
|
||||
static void __destroy(true_type, allocator_type& __a, _Tp* __p)
|
||||
{
|
||||
_LIBCPP_SUPPRESS_DEPRECATED_PUSH
|
||||
__a.destroy(__p);
|
||||
_LIBCPP_SUPPRESS_DEPRECATED_POP
|
||||
}
|
||||
template <class _Tp>
|
||||
_LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX17
|
||||
static void __destroy(false_type, allocator_type&, _Tp* __p)
|
||||
{
|
||||
template <class _Tp, class =
|
||||
_EnableIf<__has_destroy<allocator_type, _Tp*>::value> >
|
||||
_LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX17
|
||||
static void destroy(allocator_type& __a, _Tp* __p) {
|
||||
_LIBCPP_SUPPRESS_DEPRECATED_PUSH
|
||||
__a.destroy(__p);
|
||||
_LIBCPP_SUPPRESS_DEPRECATED_POP
|
||||
}
|
||||
template <class _Tp, class = void, class =
|
||||
_EnableIf<!__has_destroy<allocator_type, _Tp*>::value> >
|
||||
_LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX17
|
||||
static void destroy(allocator_type&, _Tp* __p) {
|
||||
#if _LIBCPP_STD_VER > 17
|
||||
_VSTD::destroy_at(__p);
|
||||
_VSTD::destroy_at(__p);
|
||||
#else
|
||||
__p->~_Tp();
|
||||
__p->~_Tp();
|
||||
#endif
|
||||
}
|
||||
}
|
||||
|
||||
template <class _Ap = _Alloc, class =
|
||||
_EnableIf<__has_max_size<const _Ap>::value> >
|
||||
_LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX17
|
||||
static size_type __max_size(true_type, const allocator_type& __a) _NOEXCEPT
|
||||
{
|
||||
_LIBCPP_SUPPRESS_DEPRECATED_PUSH
|
||||
return __a.max_size();
|
||||
_LIBCPP_SUPPRESS_DEPRECATED_POP
|
||||
}
|
||||
static size_type max_size(const allocator_type& __a) _NOEXCEPT {
|
||||
_LIBCPP_SUPPRESS_DEPRECATED_PUSH
|
||||
return __a.max_size();
|
||||
_LIBCPP_SUPPRESS_DEPRECATED_POP
|
||||
}
|
||||
template <class _Ap = _Alloc, class = void, class =
|
||||
_EnableIf<!__has_max_size<const _Ap>::value> >
|
||||
_LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX17
|
||||
static size_type max_size(const allocator_type&) _NOEXCEPT {
|
||||
return numeric_limits<size_type>::max() / sizeof(value_type);
|
||||
}
|
||||
|
||||
template <class _Ap = _Alloc, class =
|
||||
_EnableIf<__has_select_on_container_copy_construction<const _Ap>::value> >
|
||||
_LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX17
|
||||
static size_type __max_size(false_type, const allocator_type&) _NOEXCEPT
|
||||
{return numeric_limits<size_type>::max() / sizeof(value_type);}
|
||||
|
||||
static allocator_type select_on_container_copy_construction(const allocator_type& __a) {
|
||||
return __a.select_on_container_copy_construction();
|
||||
}
|
||||
template <class _Ap = _Alloc, class = void, class =
|
||||
_EnableIf<!__has_select_on_container_copy_construction<const _Ap>::value> >
|
||||
_LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX17
|
||||
static allocator_type
|
||||
__select_on_container_copy_construction(true_type, const allocator_type& __a)
|
||||
{return __a.select_on_container_copy_construction();}
|
||||
_LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX17
|
||||
static allocator_type
|
||||
__select_on_container_copy_construction(false_type, const allocator_type& __a)
|
||||
{return __a;}
|
||||
static allocator_type select_on_container_copy_construction(const allocator_type& __a) {
|
||||
return __a;
|
||||
}
|
||||
};
|
||||
|
||||
template <class _Traits, class _Tp>
|
||||
struct __rebind_alloc_helper
|
||||
{
|
||||
struct __rebind_alloc_helper {
|
||||
#ifndef _LIBCPP_CXX03_LANG
|
||||
typedef _LIBCPP_NODEBUG_TYPE typename _Traits::template rebind_alloc<_Tp> type;
|
||||
using type _LIBCPP_NODEBUG_TYPE = typename _Traits::template rebind_alloc<_Tp>;
|
||||
#else
|
||||
typedef typename _Traits::template rebind_alloc<_Tp>::other type;
|
||||
using type = typename _Traits::template rebind_alloc<_Tp>::other;
|
||||
#endif
|
||||
};
|
||||
|
||||
// __is_default_allocator
|
||||
template <class _Tp>
|
||||
struct __is_default_allocator : false_type { };
|
||||
|
||||
template <class _Tp>
|
||||
struct __is_default_allocator<_VSTD::allocator<_Tp> > : true_type { };
|
||||
|
||||
// __is_cpp17_move_insertable
|
||||
template <class _Alloc, class = void>
|
||||
struct __is_cpp17_move_insertable
|
||||
: is_move_constructible<typename _Alloc::value_type>
|
||||
{ };
|
||||
|
||||
template <class _Alloc>
|
||||
struct __is_cpp17_move_insertable<_Alloc, _EnableIf<
|
||||
!__is_default_allocator<_Alloc>::value &&
|
||||
__has_construct<_Alloc, typename _Alloc::value_type*, typename _Alloc::value_type&&>::value
|
||||
> > : true_type { };
|
||||
|
||||
// __is_cpp17_copy_insertable
|
||||
template <class _Alloc, class = void>
|
||||
struct __is_cpp17_copy_insertable
|
||||
: integral_constant<bool,
|
||||
is_copy_constructible<typename _Alloc::value_type>::value &&
|
||||
__is_cpp17_move_insertable<_Alloc>::value
|
||||
>
|
||||
{ };
|
||||
|
||||
template <class _Alloc>
|
||||
struct __is_cpp17_copy_insertable<_Alloc, _EnableIf<
|
||||
!__is_default_allocator<_Alloc>::value &&
|
||||
__has_construct<_Alloc, typename _Alloc::value_type*, const typename _Alloc::value_type&>::value
|
||||
> >
|
||||
: __is_cpp17_move_insertable<_Alloc>
|
||||
{ };
|
||||
|
||||
#undef _LIBCPP_ALLOCATOR_TRAITS_HAS_XXX
|
||||
|
||||
_LIBCPP_END_NAMESPACE_STD
|
||||
|
||||
_LIBCPP_POP_MACROS
|
||||
|
||||
@ -1462,7 +1462,7 @@ class _LIBCPP_UNIQUE_PTR_TRIVIAL_ABI _LIBCPP_TEMPLATE_VIS unique_ptr {
|
||||
public:
|
||||
typedef _Tp element_type;
|
||||
typedef _Dp deleter_type;
|
||||
typedef _LIBCPP_NODEBUG_TYPE typename __pointer_type<_Tp, deleter_type>::type pointer;
|
||||
typedef _LIBCPP_NODEBUG_TYPE typename __pointer<_Tp, deleter_type>::type pointer;
|
||||
|
||||
static_assert(!is_rvalue_reference<deleter_type>::value,
|
||||
"the specified deleter type cannot be an rvalue reference");
|
||||
@ -1670,7 +1670,7 @@ class _LIBCPP_UNIQUE_PTR_TRIVIAL_ABI _LIBCPP_TEMPLATE_VIS unique_ptr<_Tp[], _Dp>
|
||||
public:
|
||||
typedef _Tp element_type;
|
||||
typedef _Dp deleter_type;
|
||||
typedef typename __pointer_type<_Tp, deleter_type>::type pointer;
|
||||
typedef typename __pointer<_Tp, deleter_type>::type pointer;
|
||||
|
||||
private:
|
||||
__compressed_pair<pointer, deleter_type> __ptr_;
|
||||
|
||||
Loading…
Reference in New Issue
Block a user