63 static constexpr size_t _S_max_align =
alignof(max_align_t);
74 allocate(
size_t __bytes,
size_t __alignment = _S_max_align)
75 __attribute__((__returns_nonnull__,__alloc_size__(2),__alloc_align__(3)))
76 { return ::operator
new(__bytes, do_allocate(__bytes, __alignment)); }
79 deallocate(
void* __p,
size_t __bytes,
size_t __alignment = _S_max_align)
80 __attribute__((__nonnull__))
81 {
return do_deallocate(__p, __bytes, __alignment); }
86 {
return do_is_equal(__other); }
90 do_allocate(
size_t __bytes,
size_t __alignment) = 0;
93 do_deallocate(
void* __p,
size_t __bytes,
size_t __alignment) = 0;
124 template<
typename _Up>
125 struct __not_pair {
using type = void; };
127 template<
typename _Up1,
typename _Up2>
128 struct __not_pair<
pair<_Up1, _Up2>> { };
131 using value_type = _Tp;
136 __attribute__((__returns_nonnull__));
141 __attribute__((__nonnull__))
143 { _GLIBCXX_DEBUG_ASSERT(__r); }
147 template<
typename _Up>
149 : _M_resource(__x.resource())
158 __attribute__((__returns_nonnull__))
161 std::__throw_bad_array_new_length();
162 return static_cast<_Tp*
>(_M_resource->allocate(__n *
sizeof(_Tp),
167 deallocate(_Tp* __p,
size_t __n)
noexcept
168 __attribute__((__nonnull__))
169 { _M_resource->deallocate(__p, __n *
sizeof(_Tp),
alignof(_Tp)); }
171#if __cplusplus > 201703L
173 allocate_bytes(
size_t __nbytes,
174 size_t __alignment =
alignof(max_align_t))
175 {
return _M_resource->allocate(__nbytes, __alignment); }
178 deallocate_bytes(
void* __p,
size_t __nbytes,
179 size_t __alignment =
alignof(max_align_t))
180 { _M_resource->deallocate(__p, __nbytes, __alignment); }
182 template<
typename _Up>
184 allocate_object(
size_t __n = 1)
187 std::__throw_bad_array_new_length();
188 return static_cast<_Up*
>(allocate_bytes(__n *
sizeof(_Up),
192 template<
typename _Up>
194 deallocate_object(_Up* __p,
size_t __n = 1)
195 { deallocate_bytes(__p, __n *
sizeof(_Up),
alignof(_Up)); }
197 template<
typename _Up,
typename... _CtorArgs>
199 new_object(_CtorArgs&&... __ctor_args)
201 _Up* __p = allocate_object<_Up>();
208 deallocate_object(__p);
209 __throw_exception_again;
214 template<
typename _Up>
216 delete_object(_Up* __p)
219 deallocate_object(__p);
223#if ! __glibcxx_make_obj_using_allocator
224 template<
typename _Tp1,
typename... _Args>
225 __attribute__((__nonnull__))
226 typename __not_pair<_Tp1>::type
227 construct(_Tp1* __p, _Args&&... __args)
233 if constexpr (is_base_of_v<__uses_alloc0, __use_tag>)
235 else if constexpr (is_base_of_v<__uses_alloc1_, __use_tag>)
236 ::new(__p) _Tp1(allocator_arg, *
this,
242 template<
typename _Tp1,
typename _Tp2,
243 typename... _Args1,
typename... _Args2>
244 __attribute__((__nonnull__))
257 _S_construct_p(__x_tag, __x_i, __x),
258 _S_construct_p(__y_tag, __y_i, __y));
261 template<
typename _Tp1,
typename _Tp2>
262 __attribute__((__nonnull__))
267 template<
typename _Tp1,
typename _Tp2,
typename _Up,
typename _Vp>
268 __attribute__((__nonnull__))
277 template <
typename _Tp1,
typename _Tp2,
typename _Up,
typename _Vp>
278 __attribute__((__nonnull__))
287 template<
typename _Tp1,
typename _Tp2,
typename _Up,
typename _Vp>
288 __attribute__((__nonnull__))
297 template<
typename _Tp1,
typename... _Args>
298 __attribute__((__nonnull__))
300 construct(_Tp1* __p, _Args&&... __args)
302 std::uninitialized_construct_using_allocator(__p, *
this,
307 template<
typename _Up>
308 _GLIBCXX20_DEPRECATED_SUGGEST(
"allocator_traits::destroy")
309 __attribute__((__nonnull__))
315 select_on_container_copy_construction()
const noexcept
319 resource()
const noexcept
320 __attribute__((__returns_nonnull__))
321 {
return _M_resource; }
329 {
return *__a.resource() == *__b.resource(); }
331#if __cpp_impl_three_way_comparison < 201907L
336 {
return !(__a == __b); }
340#if ! __glibcxx_make_obj_using_allocator
341 using __uses_alloc1_ = __uses_alloc1<polymorphic_allocator>;
342 using __uses_alloc2_ = __uses_alloc2<polymorphic_allocator>;
344 template<
typename _Ind,
typename... _Args>
345 static tuple<_Args&&...>
349 template<
size_t... _Ind,
typename... _Args>
355 allocator_arg, *__ua._M_a, std::get<_Ind>(
std::move(__t))...
359 template<
size_t... _Ind,
typename... _Args>
363 {
return { std::get<_Ind>(
std::move(__t))..., *__ua._M_a }; }