diff options
Diffstat (limited to 'third_party/libcxx/include/c++/v1/memory')
| -rw-r--r-- | third_party/libcxx/include/c++/v1/memory | 1008 |
1 files changed, 0 insertions, 1008 deletions
diff --git a/third_party/libcxx/include/c++/v1/memory b/third_party/libcxx/include/c++/v1/memory deleted file mode 100644 index ca880c8..0000000 --- a/third_party/libcxx/include/c++/v1/memory +++ /dev/null @@ -1,1008 +0,0 @@ -// -*- C++ -*- -//===----------------------------------------------------------------------===// -// -// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. -// See https://llvm.org/LICENSE.txt for license information. -// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception -// -//===----------------------------------------------------------------------===// - -#ifndef _LIBCPP_MEMORY -#define _LIBCPP_MEMORY - -// clang-format off - -/* - memory synopsis - -namespace std -{ - -struct allocator_arg_t { }; -inline constexpr allocator_arg_t allocator_arg = allocator_arg_t(); - -template <class T, class Alloc> struct uses_allocator; - -template <class Ptr> -struct pointer_traits -{ - typedef Ptr pointer; - typedef <details> element_type; - typedef <details> difference_type; - - template <class U> using rebind = <details>; - - static pointer pointer_to(<details>); -}; - -template <class T> -struct pointer_traits<T*> -{ - typedef T* pointer; - typedef T element_type; - typedef ptrdiff_t difference_type; - - template <class U> using rebind = U*; - - static pointer pointer_to(<details>) noexcept; // constexpr in C++20 -}; - -template <class T> constexpr T* to_address(T* p) noexcept; // C++20 -template <class Ptr> constexpr auto to_address(const Ptr& p) noexcept; // C++20 - -template <class Alloc> -struct allocator_traits -{ - typedef Alloc allocator_type; - typedef typename allocator_type::value_type - value_type; - - typedef Alloc::pointer | value_type* pointer; - typedef Alloc::const_pointer - | pointer_traits<pointer>::rebind<const value_type> - const_pointer; - typedef Alloc::void_pointer - | pointer_traits<pointer>::rebind<void> - void_pointer; - typedef Alloc::const_void_pointer - | pointer_traits<pointer>::rebind<const void> - const_void_pointer; - typedef Alloc::difference_type - | pointer_traits<pointer>::difference_type - difference_type; - typedef Alloc::size_type - | make_unsigned<difference_type>::type - size_type; - typedef Alloc::propagate_on_container_copy_assignment - | false_type propagate_on_container_copy_assignment; - typedef Alloc::propagate_on_container_move_assignment - | false_type propagate_on_container_move_assignment; - typedef Alloc::propagate_on_container_swap - | false_type propagate_on_container_swap; - typedef Alloc::is_always_equal - | is_empty is_always_equal; - - template <class T> using rebind_alloc = Alloc::rebind<T>::other | Alloc<T, Args...>; - template <class T> using rebind_traits = allocator_traits<rebind_alloc<T>>; - - static pointer allocate(allocator_type& a, size_type n); // constexpr and [[nodiscard]] in C++20 - static pointer allocate(allocator_type& a, size_type n, const_void_pointer hint); // constexpr and [[nodiscard]] in C++20 - - [[nodiscard]] static constexpr allocation_result<pointer, size_type> - allocate_at_least(Alloc& a, size_type n); // Since C++23 - - static void deallocate(allocator_type& a, pointer p, size_type n) noexcept; // constexpr in C++20 - - template <class T, class... Args> - static void construct(allocator_type& a, T* p, Args&&... args); // constexpr in C++20 - - template <class T> - static void destroy(allocator_type& a, T* p); // constexpr in C++20 - - static size_type max_size(const allocator_type& a); // noexcept in C++14, constexpr in C++20 - static allocator_type select_on_container_copy_construction(const allocator_type& a); // constexpr in C++20 -}; - -template<class Pointer, class SizeType = size_t> -struct allocation_result { - Pointer ptr; - SizeType count; -}; // Since C++23 - -template <> -class allocator<void> // removed in C++20 -{ -public: - typedef void* pointer; - typedef const void* const_pointer; - typedef void value_type; - - template <class _Up> struct rebind {typedef allocator<_Up> other;}; -}; - -template <class T> -class allocator -{ -public: - typedef size_t size_type; - typedef ptrdiff_t difference_type; - typedef T* pointer; // deprecated in C++17, removed in C++20 - typedef const T* const_pointer; // deprecated in C++17, removed in C++20 - typedef typename add_lvalue_reference<T>::type - reference; // deprecated in C++17, removed in C++20 - typedef typename add_lvalue_reference<const T>::type - const_reference; // deprecated in C++17, removed in C++20 - - typedef T value_type; - - template <class U> struct rebind {typedef allocator<U> other;}; // deprecated in C++17, removed in C++20 - - typedef true_type propagate_on_container_move_assignment; - typedef true_type is_always_equal; // Deprecated in C++23, removed in C++26 - - constexpr allocator() noexcept; // constexpr in C++20 - constexpr allocator(const allocator&) noexcept; // constexpr in C++20 - template <class U> - constexpr allocator(const allocator<U>&) noexcept; // constexpr in C++20 - ~allocator(); // constexpr in C++20 - pointer address(reference x) const noexcept; // deprecated in C++17, removed in C++20 - const_pointer address(const_reference x) const noexcept; // deprecated in C++17, removed in C++20 - T* allocate(size_t n, const void* hint); // deprecated in C++17, removed in C++20 - T* allocate(size_t n); // constexpr in C++20 - void deallocate(T* p, size_t n) noexcept; // constexpr in C++20 - size_type max_size() const noexcept; // deprecated in C++17, removed in C++20 - template<class U, class... Args> - void construct(U* p, Args&&... args); // deprecated in C++17, removed in C++20 - template <class U> - void destroy(U* p); // deprecated in C++17, removed in C++20 -}; - -template <class T, class U> -bool operator==(const allocator<T>&, const allocator<U>&) noexcept; // constexpr in C++20 - -template <class T, class U> -bool operator!=(const allocator<T>&, const allocator<U>&) noexcept; // removed in C++20 - -template <class OutputIterator, class T> -class raw_storage_iterator // deprecated in C++17, removed in C++20 - : public iterator<output_iterator_tag, void, void, void, void> // until C++17 -{ -public: - typedef output_iterator_tag iterator_category; - typedef void value_type; - typedef void difference_type; // until C++20 - typedef ptrdiff_t difference_type; // since C++20 - typedef void pointer; - typedef void reference; - - explicit raw_storage_iterator(OutputIterator x); - raw_storage_iterator& operator*(); - raw_storage_iterator& operator=(const T& element); - raw_storage_iterator& operator++(); - raw_storage_iterator operator++(int); -}; - -template <class T> pair<T*,ptrdiff_t> get_temporary_buffer(ptrdiff_t n) noexcept; // deprecated in C++17, removed in C++20 -template <class T> void return_temporary_buffer(T* p) noexcept; // deprecated in C++17, removed in C++20 - -template <class T> T* addressof(T& r) noexcept; -template <class T> T* addressof(const T&& r) noexcept = delete; - -template <class InputIterator, class ForwardIterator> -ForwardIterator -uninitialized_copy(InputIterator first, InputIterator last, ForwardIterator result); - -namespace ranges { - -template<class InputIterator, class OutputIterator> -using uninitialized_copy_result = in_out_result<InputIterator, OutputIterator>; // since C++20 - -template<input_iterator InputIterator, sentinel-for<InputIterator> Sentinel1, nothrow-forward-iterator OutputIterator, nothrow-sentinel-for<OutputIterator> Sentinel2> - requires constructible_from<iter_value_t<OutputIterator>, iter_reference_t<InputIterator>> -uninitialized_copy_result<InputIterator, OutputIterator> -uninitialized_copy(InputIterator ifirst, Sentinel1 ilast, OutputIterator ofirst, Sentinel2 olast); // since C++20 - -template<input_range InputRange, nothrow-forward-range OutputRange> - requires constructible_from<range_value_t<OutputRange>, range_reference_t<InputRange>> -uninitialized_copy_result<borrowed_iterator_t<InputRange>, borrowed_iterator_t<OutputRange>> -uninitialized_copy(InputRange&& in_range, OutputRange&& out_range); // since C++20 - -} - -template <class InputIterator, class Size, class ForwardIterator> -ForwardIterator -uninitialized_copy_n(InputIterator first, Size n, ForwardIterator result); - -namespace ranges { - -template<class InputIterator, class OutputIterator> -using uninitialized_copy_n_result = in_out_result<InputIterator, OutputIterator>; // since C++20 - -template<input_iterator InputIterator, nothrow-forward-iterator OutputIterator, nothrow-sentinel-for<OutputIterator> Sentinel> - requires constructible_from<iter_value_t<OutputIterator>, iter_reference_t<InputIterator>> -uninitialized_copy_n_result<InputIterator, OutputIterator> -uninitialized_copy_n(InputIterator ifirst, iter_difference_t<InputIterator> n, OutputIterator ofirst, Sentinel olast); // since C++20 - -} - -template <class ForwardIterator, class T> -void uninitialized_fill(ForwardIterator first, ForwardIterator last, const T& x); - -namespace ranges { - -template <nothrow-forward-iterator ForwardIterator, nothrow-sentinel-for<ForwardIterator> Sentinel, class T> - requires constructible_from<iter_value_t<ForwardIterator>, const T&> -ForwardIterator uninitialized_fill(ForwardIterator first, Sentinel last, const T& x); // since C++20 - -template <nothrow-forward-range ForwardRange, class T> - requires constructible_from<range_value_t<ForwardRange>, const T&> -borrowed_iterator_t<ForwardRange> uninitialized_fill(ForwardRange&& range, const T& x); // since C++20 - -} - -template <class ForwardIterator, class Size, class T> -ForwardIterator -uninitialized_fill_n(ForwardIterator first, Size n, const T& x); - -namespace ranges { - -template <nothrow-forward-iterator ForwardIterator, class T> - requires constructible_from<iter_value_t<ForwardIterator>, const T&> -ForwardIterator uninitialized_fill_n(ForwardIterator first, iter_difference_t<ForwardIterator> n); // since C++20 - -} - -template <class T, class ...Args> -constexpr T* construct_at(T* location, Args&& ...args); // since C++20 - -namespace ranges { - template<class T, class... Args> - constexpr T* construct_at(T* location, Args&&... args); // since C++20 -} - -template <class T> -void destroy_at(T* location); // constexpr in C++20 - -namespace ranges { - template<destructible T> - constexpr void destroy_at(T* location) noexcept; // since C++20 -} - -template <class ForwardIterator> -void destroy(ForwardIterator first, ForwardIterator last); // constexpr in C++20 - -namespace ranges { - template<nothrow-input-iterator InputIterator, nothrow-sentinel-for<InputIterator> Sentinel> - requires destructible<iter_value_t<InputIterator>> - constexpr InputIterator destroy(InputIterator first, Sentinel last) noexcept; // since C++20 - template<nothrow-input-range InputRange> - requires destructible<range_value_t<InputRange>> - constexpr borrowed_iterator_t<InputRange> destroy(InputRange&& range) noexcept; // since C++20 -} - -template <class ForwardIterator, class Size> -ForwardIterator destroy_n(ForwardIterator first, Size n); // constexpr in C++20 - -namespace ranges { - template<nothrow-input-iterator InputIterator> - requires destructible<iter_value_t<InputIterator>> - constexpr InputIterator destroy_n(InputIterator first, iter_difference_t<InputIterator> n) noexcept; // since C++20 -} - -template <class InputIterator, class ForwardIterator> - ForwardIterator uninitialized_move(InputIterator first, InputIterator last, ForwardIterator result); - -namespace ranges { - -template<class InputIterator, class OutputIterator> -using uninitialized_move_result = in_out_result<InputIterator, OutputIterator>; // since C++20 - -template <input_iterator InputIterator, sentinel_for<InputIterator> Sentinel1, nothrow-forward-iterator OutputIterator, nothrow-sentinel-for<O> Sentinel2> - requires constructible_from<iter_value_t<OutputIterator>, iter_rvalue_reference_t<InputIterator>> -uninitialized_move_result<InputIterator, OutputIterator> -uninitialized_move(InputIterator ifirst, Sentinel1 ilast, OutputIterator ofirst, Sentinel2 olast); // since C++20 - -template<input_range InputRange, nothrow-forward-range OutputRange> - requires constructible_from<range_value_t<OutputRange>, range_rvalue_reference_t<InputRange>> -uninitialized_move_result<borrowed_iterator_t<InputRange>, borrowed_iterator_t<OutputRange>> -uninitialized_move(InputRange&& in_range, OutputRange&& out_range); // since C++20 - -} - -template <class InputIterator, class Size, class ForwardIterator> - pair<InputIterator,ForwardIterator> uninitialized_move_n(InputIterator first, Size n, ForwardIterator result); - -namespace ranges { - -template<class InputIterator, class OutputIterator> -using uninitialized_move_n_result = in_out_result<InputIterator, OutputIterator>; // since C++20 - -template<input_iterator InputIterator, nothrow-forward-iterator OutputIterator, nothrow-sentinel-for<OutputIterator> Sentinel> - requires constructible_from<iter_value_t<OutputIterator>, iter_rvalue_reference_t<InputIterator>> -uninitialized_move_n_result<InputIterator, OutputIterator> -uninitialized_move_n(InputIterator ifirst, iter_difference_t<InputIterator> n, OutputIterator ofirst, Sentinel olast); // since C++20 - -} - -template <class ForwardIterator> - void uninitialized_value_construct(ForwardIterator first, ForwardIterator last); - -namespace ranges { - -template <nothrow-forward-iterator ForwardIterator, nothrow-sentinel-for<ForwardIterator> Sentinel> - requires default_initializable<iter_value_t<ForwardIterator>> - ForwardIterator uninitialized_value_construct(ForwardIterator first, Sentinel last); // since C++20 - -template <nothrow-forward-range ForwardRange> - requires default_initializable<range_value_t<ForwardRange>> - borrowed_iterator_t<ForwardRange> uninitialized_value_construct(ForwardRange&& r); // since C++20 - -} - -template <class ForwardIterator, class Size> - ForwardIterator uninitialized_value_construct_n(ForwardIterator first, Size n); - -namespace ranges { - -template <nothrow-forward-iterator ForwardIterator> - requires default_initializable<iter_value_t<ForwardIterator>> - ForwardIterator uninitialized_value_construct_n(ForwardIterator first, iter_difference_t<ForwardIterator> n); // since C++20 - -} - -template <class ForwardIterator> - void uninitialized_default_construct(ForwardIterator first, ForwardIterator last); - -namespace ranges { - -template <nothrow-forward-iterator ForwardIterator, nothrow-sentinel-for<ForwardIterator> Sentinel> - requires default_initializable<iter_value_t<ForwardIterator>> - ForwardIterator uninitialized_default_construct(ForwardIterator first, Sentinel last); // since C++20 - -template <nothrow-forward-range ForwardRange> - requires default_initializable<range_value_t<ForwardRange>> - borrowed_iterator_t<ForwardRange> uninitialized_default_construct(ForwardRange&& r); // since C++20 - -} - -template <class ForwardIterator, class Size> - ForwardIterator uninitialized_default_construct_n(ForwardIterator first, Size n); - -namespace ranges { - -template <nothrow-forward-iterator ForwardIterator> - requires default_initializable<iter_value_t<ForwardIterator>> - ForwardIterator uninitialized_default_construct_n(ForwardIterator first, iter_difference_t<ForwardIterator> n); // since C++20 - -} - -template <class Y> struct auto_ptr_ref {}; // deprecated in C++11, removed in C++17 - -template<class X> -class auto_ptr // deprecated in C++11, removed in C++17 -{ -public: - typedef X element_type; - - explicit auto_ptr(X* p =0) throw(); - auto_ptr(auto_ptr&) throw(); - template<class Y> auto_ptr(auto_ptr<Y>&) throw(); - auto_ptr& operator=(auto_ptr&) throw(); - template<class Y> auto_ptr& operator=(auto_ptr<Y>&) throw(); - auto_ptr& operator=(auto_ptr_ref<X> r) throw(); - ~auto_ptr() throw(); - - typename add_lvalue_reference<X>::type operator*() const throw(); - X* operator->() const throw(); - X* get() const throw(); - X* release() throw(); - void reset(X* p =0) throw(); - - auto_ptr(auto_ptr_ref<X>) throw(); - template<class Y> operator auto_ptr_ref<Y>() throw(); - template<class Y> operator auto_ptr<Y>() throw(); -}; - -template <class T> -struct default_delete -{ - constexpr default_delete() noexcept = default; - template <class U> constexpr default_delete(const default_delete<U>&) noexcept; // constexpr since C++23 - - constexpr void operator()(T*) const noexcept; // constexpr since C++23 -}; - -template <class T> -struct default_delete<T[]> -{ - constexpr default_delete() noexcept = default; - template <class U> constexpr default_delete(const default_delete <U[]>&) noexcept; // constexpr since C++23 - constexpr void operator()(T*) const noexcept; // constexpr since C++23 - template <class U> void operator()(U*) const = delete; -}; - -template <class T, class D = default_delete<T>> -class unique_ptr -{ -public: - typedef see below pointer; - typedef T element_type; - typedef D deleter_type; - - // constructors - constexpr unique_ptr() noexcept; - constexpr explicit unique_ptr(pointer p) noexcept; // constexpr since C++23 - constexpr unique_ptr(pointer p, see below d1) noexcept; // constexpr since C++23 - constexpr unique_ptr(pointer p, see below d2) noexcept; // constexpr since C++23 - constexpr unique_ptr(unique_ptr&& u) noexcept; // constexpr since C++23 - constexpr unique_ptr(nullptr_t) noexcept : unique_ptr() { } - template <class U, class E> - constexpr unique_ptr(unique_ptr<U, E>&& u) noexcept; // constexpr since C++23 - template <class U> - unique_ptr(auto_ptr<U>&& u) noexcept; // removed in C++17 - - // destructor - constexpr ~unique_ptr(); // constexpr since C++23 - - // assignment - constexpr unique_ptr& operator=(unique_ptr&& u) noexcept; // constexpr since C++23 - template <class U, class E> - constexpr unique_ptr& operator=(unique_ptr<U, E>&& u) noexcept; // constexpr since C++23 - constexpr unique_ptr& operator=(nullptr_t) noexcept; // constexpr since C++23 - - // observers - constexpr - add_lvalue_reference<T>::type operator*() const noexcept(see below); // constexpr since C++23 - constexpr pointer operator->() const noexcept; // constexpr since C++23 - constexpr pointer get() const noexcept; // constexpr since C++23 - constexpr deleter_type& get_deleter() noexcept; // constexpr since C++23 - constexpr const deleter_type& get_deleter() const noexcept; // constexpr since C++23 - constexpr explicit operator bool() const noexcept; // constexpr since C++23 - - // modifiers - constexpr pointer release() noexcept; // constexpr since C++23 - constexpr void reset(pointer p = pointer()) noexcept; // constexpr since C++23 - constexpr void swap(unique_ptr& u) noexcept; // constexpr since C++23 -}; - -template <class T, class D> -class unique_ptr<T[], D> -{ -public: - typedef implementation-defined pointer; - typedef T element_type; - typedef D deleter_type; - - // constructors - constexpr unique_ptr() noexcept; - constexpr explicit unique_ptr(pointer p) noexcept; // constexpr since C++23 - constexpr unique_ptr(pointer p, see below d) noexcept; // constexpr since C++23 - constexpr unique_ptr(pointer p, see below d) noexcept; // constexpr since C++23 - constexpr unique_ptr(unique_ptr&& u) noexcept; // constexpr since C++23 - template <class U, class E> - constexpr unique_ptr(unique_ptr <U, E>&& u) noexcept; // constexpr since C++23 - constexpr unique_ptr(nullptr_t) noexcept : unique_ptr() { } - - // destructor - constexpr ~unique_ptr(); // constexpr since C++23 - - // assignment - constexpr unique_ptr& operator=(unique_ptr&& u) noexcept; // constexpr since C++23 - template <class U, class E> - constexpr unique_ptr& operator=(unique_ptr <U, E>&& u) noexcept; // constexpr since C++23 - constexpr unique_ptr& operator=(nullptr_t) noexcept; // constexpr since C++23 - - // observers - constexpr T& operator[](size_t i) const; // constexpr since C++23 - constexpr pointer get() const noexcept; // constexpr since C++23 - constexpr deleter_type& get_deleter() noexcept; // constexpr since C++23 - constexpr const deleter_type& get_deleter() const noexcept; // constexpr since C++23 - constexpr explicit operator bool() const noexcept; // constexpr since C++23 - - // modifiers - constexpr pointer release() noexcept; // constexpr since C++23 - constexpr void reset(pointer p = pointer()) noexcept; // constexpr since C++23 - constexpr void reset(nullptr_t) noexcept; // constexpr since C++23 - template <class U> void reset(U) = delete; - constexpr void swap(unique_ptr& u) noexcept; // constexpr since C++23 -}; - -template <class T, class D> - constexpr void swap(unique_ptr<T, D>& x, unique_ptr<T, D>& y) noexcept; // constexpr since C++23 - -template <class T1, class D1, class T2, class D2> - constexpr bool operator==(const unique_ptr<T1, D1>& x, const unique_ptr<T2, D2>& y); // constexpr since C++23 -template <class T1, class D1, class T2, class D2> - bool operator!=(const unique_ptr<T1, D1>& x, const unique_ptr<T2, D2>& y); // removed in C++20 -template <class T1, class D1, class T2, class D2> - bool operator<(const unique_ptr<T1, D1>& x, const unique_ptr<T2, D2>& y); -template <class T1, class D1, class T2, class D2> - bool operator<=(const unique_ptr<T1, D1>& x, const unique_ptr<T2, D2>& y); -template <class T1, class D1, class T2, class D2> - bool operator>(const unique_ptr<T1, D1>& x, const unique_ptr<T2, D2>& y); -template <class T1, class D1, class T2, class D2> - bool operator>=(const unique_ptr<T1, D1>& x, const unique_ptr<T2, D2>& y); -template<class T1, class D1, class T2, class D2> - requires three_way_comparable_with<typename unique_ptr<T1, D1>::pointer, - typename unique_ptr<T2, D2>::pointer> - compare_three_way_result_t<typename unique_ptr<T1, D1>::pointer, - typename unique_ptr<T2, D2>::pointer> - operator<=>(const unique_ptr<T1, D1>& x, const unique_ptr<T2, D2>& y); // C++20 - -template <class T, class D> - constexpr bool operator==(const unique_ptr<T, D>& x, nullptr_t) noexcept; // constexpr since C++23 -template <class T, class D> - bool operator==(nullptr_t, const unique_ptr<T, D>& y) noexcept; // removed in C++20 -template <class T, class D> - bool operator!=(const unique_ptr<T, D>& x, nullptr_t) noexcept; // removed in C++20 -template <class T, class D> - bool operator!=(nullptr_t, const unique_ptr<T, D>& y) noexcept; // removed in C++20 - -template <class T, class D> - constexpr bool operator<(const unique_ptr<T, D>& x, nullptr_t); // constexpr since C++23 -template <class T, class D> - constexpr bool operator<(nullptr_t, const unique_ptr<T, D>& y); // constexpr since C++23 -template <class T, class D> - constexpr bool operator<=(const unique_ptr<T, D>& x, nullptr_t); // constexpr since C++23 -template <class T, class D> - constexpr bool operator<=(nullptr_t, const unique_ptr<T, D>& y); // constexpr since C++23 -template <class T, class D> - constexpr bool operator>(const unique_ptr<T, D>& x, nullptr_t); // constexpr since C++23 -template <class T, class D> - constexpr bool operator>(nullptr_t, const unique_ptr<T, D>& y); // constexpr since C++23 -template <class T, class D> - constexpr bool operator>=(const unique_ptr<T, D>& x, nullptr_t); // constexpr since C++23 -template <class T, class D> - constexpr bool operator>=(nullptr_t, const unique_ptr<T, D>& y); // constexpr since C++23 -template<class T, class D> - requires three_way_comparable<typename unique_ptr<T, D>::pointer> - compare_three_way_result_t<typename unique_ptr<T, D>::pointer> - constexpr operator<=>(const unique_ptr<T, D>& x, nullptr_t); // C++20, constexpr since C++23 - -class bad_weak_ptr - : public std::exception -{ - bad_weak_ptr() noexcept; -}; - -template<class T, class... Args> -constexpr unique_ptr<T> make_unique(Args&&... args); // C++14, constexpr since C++23 -template<class T> -constexpr unique_ptr<T> make_unique(size_t n); // C++14, constexpr since C++23 -template<class T, class... Args> unspecified make_unique(Args&&...) = delete; // C++14, T == U[N] - -template<class T> - constexpr unique_ptr<T> make_unique_for_overwrite(); // T is not array, C++20, constexpr since C++23 -template<class T> - constexpr unique_ptr<T> make_unique_for_overwrite(size_t n); // T is U[], C++20, constexpr since C++23 -template<class T, class... Args> - unspecified make_unique_for_overwrite(Args&&...) = delete; // T is U[N], C++20 - -template<class E, class T, class Y, class D> - basic_ostream<E, T>& operator<< (basic_ostream<E, T>& os, unique_ptr<Y, D> const& p); - -template<class T> -class shared_ptr -{ -public: - typedef T element_type; // until C++17 - typedef remove_extent_t<T> element_type; // since C++17 - typedef weak_ptr<T> weak_type; // C++17 - - // constructors: - constexpr shared_ptr() noexcept; - template<class Y> explicit shared_ptr(Y* p); - template<class Y, class D> shared_ptr(Y* p, D d); - template<class Y, class D, class A> shared_ptr(Y* p, D d, A a); - template <class D> shared_ptr(nullptr_t p, D d); - template <class D, class A> shared_ptr(nullptr_t p, D d, A a); - template<class Y> shared_ptr(const shared_ptr<Y>& r, T *p) noexcept; - shared_ptr(const shared_ptr& r) noexcept; - template<class Y> shared_ptr(const shared_ptr<Y>& r) noexcept; - shared_ptr(shared_ptr&& r) noexcept; - template<class Y> shared_ptr(shared_ptr<Y>&& r) noexcept; - template<class Y> explicit shared_ptr(const weak_ptr<Y>& r); - template<class Y> shared_ptr(auto_ptr<Y>&& r); // removed in C++17 - template <class Y, class D> shared_ptr(unique_ptr<Y, D>&& r); - shared_ptr(nullptr_t) : shared_ptr() { } - - // destructor: - ~shared_ptr(); - - // assignment: - shared_ptr& operator=(const shared_ptr& r) noexcept; - template<class Y> shared_ptr& operator=(const shared_ptr<Y>& r) noexcept; - shared_ptr& operator=(shared_ptr&& r) noexcept; - template<class Y> shared_ptr& operator=(shared_ptr<Y>&& r); - template<class Y> shared_ptr& operator=(auto_ptr<Y>&& r); // removed in C++17 - template <class Y, class D> shared_ptr& operator=(unique_ptr<Y, D>&& r); - - // modifiers: - void swap(shared_ptr& r) noexcept; - void reset() noexcept; - template<class Y> void reset(Y* p); - template<class Y, class D> void reset(Y* p, D d); - template<class Y, class D, class A> void reset(Y* p, D d, A a); - - // observers: - T* get() const noexcept; - T& operator*() const noexcept; - T* operator->() const noexcept; - long use_count() const noexcept; - bool unique() const noexcept; // deprected in C++17, removed in C++20 - explicit operator bool() const noexcept; - template<class U> bool owner_before(shared_ptr<U> const& b) const noexcept; - template<class U> bool owner_before(weak_ptr<U> const& b) const noexcept; -}; - -template<class T> -shared_ptr(weak_ptr<T>) -> shared_ptr<T>; -template<class T, class D> -shared_ptr(unique_ptr<T, D>) -> shared_ptr<T>; - -// shared_ptr comparisons: -template<class T, class U> - bool operator==(shared_ptr<T> const& a, shared_ptr<U> const& b) noexcept; -template<class T, class U> - bool operator!=(shared_ptr<T> const& a, shared_ptr<U> const& b) noexcept; // removed in C++20 -template<class T, class U> - bool operator<(shared_ptr<T> const& a, shared_ptr<U> const& b) noexcept; // removed in C++20 -template<class T, class U> - bool operator>(shared_ptr<T> const& a, shared_ptr<U> const& b) noexcept; // removed in C++20 -template<class T, class U> - bool operator<=(shared_ptr<T> const& a, shared_ptr<U> const& b) noexcept; // removed in C++20 -template<class T, class U> - bool operator>=(shared_ptr<T> const& a, shared_ptr<U> const& b) noexcept; // removed in C++20 -template<class T, class U> - strong_ordering operator<=>(shared_ptr<T> const& a, shared_ptr<U> const& b) noexcept; // C++20 - -template <class T> - bool operator==(const shared_ptr<T>& x, nullptr_t) noexcept; -template <class T> - bool operator==(nullptr_t, const shared_ptr<T>& y) noexcept; // removed in C++20 -template <class T> - bool operator!=(const shared_ptr<T>& x, nullptr_t) noexcept; // removed in C++20 -template <class T> - bool operator!=(nullptr_t, const shared_ptr<T>& y) noexcept; // removed in C++20 -template <class T> - bool operator<(const shared_ptr<T>& x, nullptr_t) noexcept; // removed in C++20 -template <class T> - bool operator<(nullptr_t, const shared_ptr<T>& y) noexcept; // removed in C++20 -template <class T> - bool operator<=(const shared_ptr<T>& x, nullptr_t) noexcept; // removed in C++20 -template <class T> - bool operator<=(nullptr_t, const shared_ptr<T>& y) noexcept; // removed in C++20 -template <class T> - bool operator>(const shared_ptr<T>& x, nullptr_t) noexcept; // removed in C++20 -template <class T> - bool operator>(nullptr_t, const shared_ptr<T>& y) noexcept; // removed in C++20 -template <class T> - bool operator>=(const shared_ptr<T>& x, nullptr_t) noexcept; // removed in C++20 -template <class T> - bool operator>=(nullptr_t, const shared_ptr<T>& y) noexcept; // removed in C++20 -template<class T> - strong_ordering operator<=>(shared_ptr<T> const& x, nullptr_t) noexcept; // C++20 - -// shared_ptr specialized algorithms: -template<class T> void swap(shared_ptr<T>& a, shared_ptr<T>& b) noexcept; - -// shared_ptr casts: -template<class T, class U> - shared_ptr<T> static_pointer_cast(shared_ptr<U> const& r) noexcept; -template<class T, class U> - shared_ptr<T> dynamic_pointer_cast(shared_ptr<U> const& r) noexcept; -template<class T, class U> - shared_ptr<T> const_pointer_cast(shared_ptr<U> const& r) noexcept; - -// shared_ptr I/O: -template<class E, class T, class Y> - basic_ostream<E, T>& operator<< (basic_ostream<E, T>& os, shared_ptr<Y> const& p); - -// shared_ptr get_deleter: -template<class D, class T> D* get_deleter(shared_ptr<T> const& p) noexcept; - -template<class T, class... Args> - shared_ptr<T> make_shared(Args&&... args); // T is not an array -template<class T, class A, class... Args> - shared_ptr<T> allocate_shared(const A& a, Args&&... args); // T is not an array - -template<class T> - shared_ptr<T> make_shared(size_t N); // T is U[] (since C++20) -template<class T, class A> - shared_ptr<T> allocate_shared(const A& a, size_t N); // T is U[] (since C++20) - -template<class T> - shared_ptr<T> make_shared(); // T is U[N] (since C++20) -template<class T, class A> - shared_ptr<T> allocate_shared(const A& a); // T is U[N] (since C++20) - -template<class T> - shared_ptr<T> make_shared(size_t N, const remove_extent_t<T>& u); // T is U[] (since C++20) -template<class T, class A> - shared_ptr<T> allocate_shared(const A& a, size_t N, const remove_extent_t<T>& u); // T is U[] (since C++20) - -template<class T> shared_ptr<T> - make_shared(const remove_extent_t<T>& u); // T is U[N] (since C++20) -template<class T, class A> - shared_ptr<T> allocate_shared(const A& a, const remove_extent_t<T>& u); // T is U[N] (since C++20) - -template<class T> - shared_ptr<T> make_shared_for_overwrite(); // T is not U[], C++20 -template<class T, class A> - shared_ptr<T> allocate_shared_for_overwrite(const A& a); // T is not U[], C++20 - -template<class T> - shared_ptr<T> make_shared_for_overwrite(size_t N); // T is U[], C++20 -template<class T, class A> - shared_ptr<T> allocate_shared_for_overwrite(const A& a, size_t N); // T is U[], C++20 - -template<class T> -class weak_ptr -{ -public: - typedef T element_type; // until C++17 - typedef remove_extent_t<T> element_type; // since C++17 - - // constructors - constexpr weak_ptr() noexcept; - template<class Y> weak_ptr(shared_ptr<Y> const& r) noexcept; - weak_ptr(weak_ptr const& r) noexcept; - template<class Y> weak_ptr(weak_ptr<Y> const& r) noexcept; - weak_ptr(weak_ptr&& r) noexcept; // C++14 - template<class Y> weak_ptr(weak_ptr<Y>&& r) noexcept; // C++14 - - // destructor - ~weak_ptr(); - - // assignment - weak_ptr& operator=(weak_ptr const& r) noexcept; - template<class Y> weak_ptr& operator=(weak_ptr<Y> const& r) noexcept; - template<class Y> weak_ptr& operator=(shared_ptr<Y> const& r) noexcept; - weak_ptr& operator=(weak_ptr&& r) noexcept; // C++14 - template<class Y> weak_ptr& operator=(weak_ptr<Y>&& r) noexcept; // C++14 - - // modifiers - void swap(weak_ptr& r) noexcept; - void reset() noexcept; - - // observers - long use_count() const noexcept; - bool expired() const noexcept; - shared_ptr<T> lock() const noexcept; - template<class U> bool owner_before(shared_ptr<U> const& b) const noexcept; - template<class U> bool owner_before(weak_ptr<U> const& b) const noexcept; -}; - -template<class T> -weak_ptr(shared_ptr<T>) -> weak_ptr<T>; - -// weak_ptr specialized algorithms: -template<class T> void swap(weak_ptr<T>& a, weak_ptr<T>& b) noexcept; - -// class owner_less: -template<class T> struct owner_less; - -template<class T> -struct owner_less<shared_ptr<T> > - : binary_function<shared_ptr<T>, shared_ptr<T>, bool> -{ - typedef bool result_type; - bool operator()(shared_ptr<T> const&, shared_ptr<T> const&) const noexcept; - bool operator()(shared_ptr<T> const&, weak_ptr<T> const&) const noexcept; - bool operator()(weak_ptr<T> const&, shared_ptr<T> const&) const noexcept; -}; - -template<class T> -struct owner_less<weak_ptr<T> > - : binary_function<weak_ptr<T>, weak_ptr<T>, bool> -{ - typedef bool result_type; - bool operator()(weak_ptr<T> const&, weak_ptr<T> const&) const noexcept; - bool operator()(shared_ptr<T> const&, weak_ptr<T> const&) const noexcept; - bool operator()(weak_ptr<T> const&, shared_ptr<T> const&) const noexcept; -}; - -template <> // Added in C++14 -struct owner_less<void> -{ - template <class _Tp, class _Up> - bool operator()( shared_ptr<_Tp> const& __x, shared_ptr<_Up> const& __y) const noexcept; - template <class _Tp, class _Up> - bool operator()( shared_ptr<_Tp> const& __x, weak_ptr<_Up> const& __y) const noexcept; - template <class _Tp, class _Up> - bool operator()( weak_ptr<_Tp> const& __x, shared_ptr<_Up> const& __y) const noexcept; - template <class _Tp, class _Up> - bool operator()( weak_ptr<_Tp> const& __x, weak_ptr<_Up> const& __y) const noexcept; - - typedef void is_transparent; -}; - -template<class T> -class enable_shared_from_this -{ -protected: - constexpr enable_shared_from_this() noexcept; - enable_shared_from_this(enable_shared_from_this const&) noexcept; - enable_shared_from_this& operator=(enable_shared_from_this const&) noexcept; - ~enable_shared_from_this(); -public: - shared_ptr<T> shared_from_this(); - shared_ptr<T const> shared_from_this() const; -}; - -template<class T> - bool atomic_is_lock_free(const shared_ptr<T>* p); -template<class T> - shared_ptr<T> atomic_load(const shared_ptr<T>* p); -template<class T> - shared_ptr<T> atomic_load_explicit(const shared_ptr<T>* p, memory_order mo); -template<class T> - void atomic_store(shared_ptr<T>* p, shared_ptr<T> r); -template<class T> - void atomic_store_explicit(shared_ptr<T>* p, shared_ptr<T> r, memory_order mo); -template<class T> - shared_ptr<T> atomic_exchange(shared_ptr<T>* p, shared_ptr<T> r); -template<class T> - shared_ptr<T> - atomic_exchange_explicit(shared_ptr<T>* p, shared_ptr<T> r, memory_order mo); -template<class T> - bool - atomic_compare_exchange_weak(shared_ptr<T>* p, shared_ptr<T>* v, shared_ptr<T> w); -template<class T> - bool - atomic_compare_exchange_strong( shared_ptr<T>* p, shared_ptr<T>* v, shared_ptr<T> w); -template<class T> - bool - atomic_compare_exchange_weak_explicit(shared_ptr<T>* p, shared_ptr<T>* v, - shared_ptr<T> w, memory_order success, - memory_order failure); -template<class T> - bool - atomic_compare_exchange_strong_explicit(shared_ptr<T>* p, shared_ptr<T>* v, - shared_ptr<T> w, memory_order success, - memory_order failure); -// Hash support -template <class T> struct hash; -template <class T, class D> struct hash<unique_ptr<T, D> >; -template <class T> struct hash<shared_ptr<T> >; - -template <class T, class Alloc> - inline constexpr bool uses_allocator_v = uses_allocator<T, Alloc>::value; - -// [allocator.uses.construction], uses-allocator construction -template<class T, class Alloc, class... Args> - constexpr auto uses_allocator_construction_args(const Alloc& alloc, // since C++20 - Args&&... args) noexcept; -template<class T, class Alloc, class Tuple1, class Tuple2> - constexpr auto uses_allocator_construction_args(const Alloc& alloc, // since C++20 - piecewise_construct_t, - Tuple1&& x, Tuple2&& y) noexcept; -template<class T, class Alloc> - constexpr auto uses_allocator_construction_args(const Alloc& alloc) noexcept; // since C++20 -template<class T, class Alloc, class U, class V> - constexpr auto uses_allocator_construction_args(const Alloc& alloc, // since C++20 - U&& u, V&& v) noexcept; -template<class T, class Alloc, class U, class V> - constexpr auto uses_allocator_construction_args(const Alloc& alloc, // since C++23 - pair<U, V>& pr) noexcept; -template<class T, class Alloc, class U, class V> - constexpr auto uses_allocator_construction_args(const Alloc& alloc, // since C++20 - const pair<U, V>& pr) noexcept; -template<class T, class Alloc, class U, class V> - constexpr auto uses_allocator_construction_args(const Alloc& alloc, // since C++20 - pair<U, V>&& pr) noexcept; -template<class T, class Alloc, class U, class V> - constexpr auto uses_allocator_construction_args(const Alloc& alloc, // since C++23 - const pair<U, V>&& pr) noexcept; -template<class T, class Alloc, pair-like P> - constexpr auto uses_allocator_construction_args(const Alloc& alloc, // since C++20 - P&& p) noexcept; -template<class T, class Alloc, class U> - constexpr auto uses_allocator_construction_args(const Alloc& alloc, // since C++20 - U&& u) noexcept; -template<class T, class Alloc, class... Args> - constexpr T make_obj_using_allocator(const Alloc& alloc, Args&&... args); // since C++20 -template<class T, class Alloc, class... Args> - constexpr T* uninitialized_construct_using_allocator(T* p, // since C++20 - const Alloc& alloc, Args&&... args); - -// [ptr.align] -void* align(size_t alignment, size_t size, void*& ptr, size_t& space); - -template<size_t N, class T> -[[nodiscard]] constexpr T* assume_aligned(T* ptr); // since C++20 - -template<size_t Alignment, class T> - bool is_sufficiently_aligned(T* ptr); // since C++26 - -// [out.ptr.t], class template out_ptr_t -template<class Smart, class Pointer, class... Args> - class out_ptr_t; // since c++23 - -// [out.ptr], function template out_ptr -template<class Pointer = void, class Smart, class... Args> - auto out_ptr(Smart& s, Args&&... args); // since c++23 - -// [inout.ptr.t], class template inout_ptr_t -template<class Smart, class Pointer, class... Args> - class inout_ptr_t; // since c++23 - -// [inout.ptr], function template inout_ptr -template<class Pointer = void, class Smart, class... Args> - auto inout_ptr(Smart& s, Args&&... args); // since c++23 - -} // std - -*/ - -// clang-format on - -#if __cplusplus < 201103L && defined(_LIBCPP_USE_FROZEN_CXX03_HEADERS) -# include <__cxx03/memory> -#else -# include <__config> -# include <__memory/addressof.h> -# include <__memory/align.h> -# include <__memory/allocator.h> -# include <__memory/allocator_arg_t.h> -# include <__memory/allocator_traits.h> -# include <__memory/auto_ptr.h> -# include <__memory/inout_ptr.h> -# include <__memory/is_sufficiently_aligned.h> -# include <__memory/out_ptr.h> -# include <__memory/pointer_traits.h> -# include <__memory/raw_storage_iterator.h> -# include <__memory/shared_ptr.h> -# include <__memory/temporary_buffer.h> -# include <__memory/uninitialized_algorithms.h> -# include <__memory/unique_ptr.h> -# include <__memory/uses_allocator.h> - -// standard-mandated includes - -# if _LIBCPP_STD_VER >= 17 -# include <__memory/construct_at.h> -# include <__memory/destroy.h> -# endif - -# if _LIBCPP_STD_VER >= 20 -# include <__memory/assume_aligned.h> -# include <__memory/concepts.h> -# include <__memory/ranges_construct_at.h> -# include <__memory/ranges_destroy.h> -# include <__memory/ranges_uninitialized_algorithms.h> -# include <__memory/uses_allocator_construction.h> -# endif - -# if _LIBCPP_STD_VER >= 23 -# include <__memory/allocate_at_least.h> -# endif - -# include <version> - -// [memory.syn] -# include <compare> - -# if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER) -# pragma GCC system_header -# endif - -# if !defined(_LIBCPP_REMOVE_TRANSITIVE_INCLUDES) && _LIBCPP_STD_VER <= 20 -# include <atomic> -# include <concepts> -# include <cstddef> -# include <cstdint> -# include <cstdlib> -# include <cstring> -# include <iosfwd> -# include <iterator> -# include <new> -# include <stdexcept> -# include <tuple> -# include <type_traits> -# include <typeinfo> -# include <utility> -# endif -#endif // __cplusplus < 201103L && defined(_LIBCPP_USE_FROZEN_CXX03_HEADERS) - -#endif // _LIBCPP_MEMORY |