mirror of
https://github.com/jart/cosmopolitan.git
synced 2025-06-03 19:22:27 +00:00
Release Cosmopolitan v3.6.0
This release is an atomic upgrade to GCC 14.1.0 with C23 and C++23
This commit is contained in:
Justine Tunney
parent
62ace3623a
commit
5660ec4741
1585 changed files with 117353 additions and 271644 deletions
327
third_party/libcxx/__memory/allocator.h
vendored
327
third_party/libcxx/__memory/allocator.h
vendored
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@ -14,6 +14,7 @@
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#include <__memory/addressof.h>
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#include <__memory/allocate_at_least.h>
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#include <__memory/allocator_traits.h>
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#include <__type_traits/is_const.h>
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#include <__type_traits/is_constant_evaluated.h>
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#include <__type_traits/is_same.h>
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#include <__type_traits/is_void.h>
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@ -28,37 +29,41 @@
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_LIBCPP_BEGIN_NAMESPACE_STD
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template <class _Tp> class allocator;
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template <class _Tp>
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class allocator;
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#if _LIBCPP_STD_VER <= 17 || defined(_LIBCPP_ENABLE_CXX20_REMOVED_ALLOCATOR_VOID_SPECIALIZATION)
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#if _LIBCPP_STD_VER <= 17
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// These specializations shouldn't be marked _LIBCPP_DEPRECATED_IN_CXX17.
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// Specializing allocator<void> is deprecated, but not using it.
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template <>
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class _LIBCPP_TEMPLATE_VIS allocator<void>
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{
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#if _LIBCPP_STD_VER <= 17 || defined(_LIBCPP_ENABLE_CXX20_REMOVED_ALLOCATOR_MEMBERS)
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class _LIBCPP_TEMPLATE_VIS allocator<void> {
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public:
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_LIBCPP_DEPRECATED_IN_CXX17 typedef void* pointer;
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_LIBCPP_DEPRECATED_IN_CXX17 typedef const void* const_pointer;
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_LIBCPP_DEPRECATED_IN_CXX17 typedef void value_type;
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_LIBCPP_DEPRECATED_IN_CXX17 typedef void* pointer;
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_LIBCPP_DEPRECATED_IN_CXX17 typedef const void* const_pointer;
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_LIBCPP_DEPRECATED_IN_CXX17 typedef void value_type;
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template <class _Up> struct _LIBCPP_DEPRECATED_IN_CXX17 rebind {typedef allocator<_Up> other;};
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#endif
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template <class _Up>
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struct _LIBCPP_DEPRECATED_IN_CXX17 rebind {
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typedef allocator<_Up> other;
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};
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};
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// TODO(LLVM 20): Remove the escape hatch
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# ifdef _LIBCPP_ENABLE_REMOVED_ALLOCATOR_CONST
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template <>
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class _LIBCPP_TEMPLATE_VIS allocator<const void>
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{
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#if _LIBCPP_STD_VER <= 17 || defined(_LIBCPP_ENABLE_CXX20_REMOVED_ALLOCATOR_MEMBERS)
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class _LIBCPP_TEMPLATE_VIS allocator<const void> {
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public:
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_LIBCPP_DEPRECATED_IN_CXX17 typedef const void* pointer;
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_LIBCPP_DEPRECATED_IN_CXX17 typedef const void* const_pointer;
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_LIBCPP_DEPRECATED_IN_CXX17 typedef const void value_type;
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_LIBCPP_DEPRECATED_IN_CXX17 typedef const void* pointer;
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_LIBCPP_DEPRECATED_IN_CXX17 typedef const void* const_pointer;
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_LIBCPP_DEPRECATED_IN_CXX17 typedef const void value_type;
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template <class _Up> struct _LIBCPP_DEPRECATED_IN_CXX17 rebind {typedef allocator<_Up> other;};
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#endif
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template <class _Up>
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struct _LIBCPP_DEPRECATED_IN_CXX17 rebind {
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typedef allocator<_Up> other;
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};
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};
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#endif
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# endif // _LIBCPP_ENABLE_REMOVED_ALLOCATOR_CONST
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#endif // _LIBCPP_STD_VER <= 17
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// This class provides a non-trivial default constructor to the class that derives from it
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// if the condition is satisfied.
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@ -73,12 +78,11 @@ public:
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// By making those __non_trivial_if base classes unique, we work around this problem and
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// it is safe to start deriving from __non_trivial_if in existing classes.
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template <bool _Cond, class _Unique>
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struct __non_trivial_if { };
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struct __non_trivial_if {};
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template <class _Unique>
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struct __non_trivial_if<true, _Unique> {
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_LIBCPP_INLINE_VISIBILITY
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_LIBCPP_CONSTEXPR __non_trivial_if() _NOEXCEPT { }
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_LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR __non_trivial_if() _NOEXCEPT {}
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};
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// allocator
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@ -87,184 +91,177 @@ struct __non_trivial_if<true, _Unique> {
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// allocator<void> trivial in C++20.
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template <class _Tp>
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class _LIBCPP_TEMPLATE_VIS allocator
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: private __non_trivial_if<!is_void<_Tp>::value, allocator<_Tp> >
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{
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static_assert(!is_volatile<_Tp>::value, "std::allocator does not support volatile types");
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class _LIBCPP_TEMPLATE_VIS allocator : private __non_trivial_if<!is_void<_Tp>::value, allocator<_Tp> > {
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static_assert(!is_const<_Tp>::value, "std::allocator does not support const types");
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static_assert(!is_volatile<_Tp>::value, "std::allocator does not support volatile types");
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public:
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typedef size_t size_type;
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typedef ptrdiff_t difference_type;
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typedef _Tp value_type;
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typedef true_type propagate_on_container_move_assignment;
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typedef true_type is_always_equal;
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_LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 allocator() _NOEXCEPT = default;
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template <class _Up>
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_LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_SINCE_CXX20
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allocator(const allocator<_Up>&) _NOEXCEPT { }
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_LIBCPP_NODISCARD_AFTER_CXX17 _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_SINCE_CXX20
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_Tp* allocate(size_t __n) {
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if (__n > allocator_traits<allocator>::max_size(*this))
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__throw_bad_array_new_length();
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if (__libcpp_is_constant_evaluated()) {
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return static_cast<_Tp*>(::operator new(__n * sizeof(_Tp)));
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} else {
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return static_cast<_Tp*>(_VSTD::__libcpp_allocate(__n * sizeof(_Tp), _LIBCPP_ALIGNOF(_Tp)));
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}
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}
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#if _LIBCPP_STD_VER >= 23
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[[nodiscard]] _LIBCPP_HIDE_FROM_ABI constexpr
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allocation_result<_Tp*> allocate_at_least(size_t __n) {
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return {allocate(__n), __n};
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}
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typedef size_t size_type;
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typedef ptrdiff_t difference_type;
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typedef _Tp value_type;
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typedef true_type propagate_on_container_move_assignment;
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#if _LIBCPP_STD_VER <= 23 || defined(_LIBCPP_ENABLE_CXX26_REMOVED_ALLOCATOR_MEMBERS)
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_LIBCPP_DEPRECATED_IN_CXX23 typedef true_type is_always_equal;
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#endif
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_LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_SINCE_CXX20
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void deallocate(_Tp* __p, size_t __n) _NOEXCEPT {
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if (__libcpp_is_constant_evaluated()) {
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::operator delete(__p);
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} else {
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_VSTD::__libcpp_deallocate((void*)__p, __n * sizeof(_Tp), _LIBCPP_ALIGNOF(_Tp));
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}
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}
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_LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 allocator() _NOEXCEPT = default;
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// C++20 Removed members
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#if _LIBCPP_STD_VER <= 17 || defined(_LIBCPP_ENABLE_CXX20_REMOVED_ALLOCATOR_MEMBERS)
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_LIBCPP_DEPRECATED_IN_CXX17 typedef _Tp* pointer;
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_LIBCPP_DEPRECATED_IN_CXX17 typedef const _Tp* const_pointer;
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_LIBCPP_DEPRECATED_IN_CXX17 typedef _Tp& reference;
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_LIBCPP_DEPRECATED_IN_CXX17 typedef const _Tp& const_reference;
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template <class _Up>
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_LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 allocator(const allocator<_Up>&) _NOEXCEPT {}
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template <class _Up>
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struct _LIBCPP_DEPRECATED_IN_CXX17 rebind {
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typedef allocator<_Up> other;
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};
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_LIBCPP_NODISCARD _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 _Tp* allocate(size_t __n) {
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if (__n > allocator_traits<allocator>::max_size(*this))
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__throw_bad_array_new_length();
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if (__libcpp_is_constant_evaluated()) {
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return static_cast<_Tp*>(::operator new(__n * sizeof(_Tp)));
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} else {
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return static_cast<_Tp*>(std::__libcpp_allocate(__n * sizeof(_Tp), _LIBCPP_ALIGNOF(_Tp)));
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}
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}
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_LIBCPP_DEPRECATED_IN_CXX17 _LIBCPP_INLINE_VISIBILITY
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pointer address(reference __x) const _NOEXCEPT {
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return _VSTD::addressof(__x);
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}
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_LIBCPP_DEPRECATED_IN_CXX17 _LIBCPP_INLINE_VISIBILITY
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const_pointer address(const_reference __x) const _NOEXCEPT {
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return _VSTD::addressof(__x);
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}
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#if _LIBCPP_STD_VER >= 23
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[[nodiscard]] _LIBCPP_HIDE_FROM_ABI constexpr allocation_result<_Tp*> allocate_at_least(size_t __n) {
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return {allocate(__n), __n};
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}
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#endif
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_LIBCPP_NODISCARD_AFTER_CXX17 _LIBCPP_INLINE_VISIBILITY _LIBCPP_DEPRECATED_IN_CXX17
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_Tp* allocate(size_t __n, const void*) {
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return allocate(__n);
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_LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 void deallocate(_Tp* __p, size_t __n) _NOEXCEPT {
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if (__libcpp_is_constant_evaluated()) {
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::operator delete(__p);
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} else {
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std::__libcpp_deallocate((void*)__p, __n * sizeof(_Tp), _LIBCPP_ALIGNOF(_Tp));
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}
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}
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_LIBCPP_DEPRECATED_IN_CXX17 _LIBCPP_INLINE_VISIBILITY size_type max_size() const _NOEXCEPT {
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return size_type(~0) / sizeof(_Tp);
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}
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// C++20 Removed members
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#if _LIBCPP_STD_VER <= 17
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_LIBCPP_DEPRECATED_IN_CXX17 typedef _Tp* pointer;
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_LIBCPP_DEPRECATED_IN_CXX17 typedef const _Tp* const_pointer;
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_LIBCPP_DEPRECATED_IN_CXX17 typedef _Tp& reference;
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_LIBCPP_DEPRECATED_IN_CXX17 typedef const _Tp& const_reference;
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template <class _Up, class... _Args>
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_LIBCPP_DEPRECATED_IN_CXX17 _LIBCPP_INLINE_VISIBILITY
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void construct(_Up* __p, _Args&&... __args) {
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::new ((void*)__p) _Up(_VSTD::forward<_Args>(__args)...);
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}
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template <class _Up>
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struct _LIBCPP_DEPRECATED_IN_CXX17 rebind {
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typedef allocator<_Up> other;
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};
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_LIBCPP_DEPRECATED_IN_CXX17 _LIBCPP_INLINE_VISIBILITY
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void destroy(pointer __p) {
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__p->~_Tp();
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}
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_LIBCPP_DEPRECATED_IN_CXX17 _LIBCPP_HIDE_FROM_ABI pointer address(reference __x) const _NOEXCEPT {
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return std::addressof(__x);
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}
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_LIBCPP_DEPRECATED_IN_CXX17 _LIBCPP_HIDE_FROM_ABI const_pointer address(const_reference __x) const _NOEXCEPT {
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return std::addressof(__x);
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}
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_LIBCPP_NODISCARD _LIBCPP_HIDE_FROM_ABI _LIBCPP_DEPRECATED_IN_CXX17 _Tp* allocate(size_t __n, const void*) {
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return allocate(__n);
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}
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_LIBCPP_DEPRECATED_IN_CXX17 _LIBCPP_HIDE_FROM_ABI size_type max_size() const _NOEXCEPT {
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return size_type(~0) / sizeof(_Tp);
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}
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template <class _Up, class... _Args>
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_LIBCPP_DEPRECATED_IN_CXX17 _LIBCPP_HIDE_FROM_ABI void construct(_Up* __p, _Args&&... __args) {
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::new ((void*)__p) _Up(std::forward<_Args>(__args)...);
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}
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_LIBCPP_DEPRECATED_IN_CXX17 _LIBCPP_HIDE_FROM_ABI void destroy(pointer __p) { __p->~_Tp(); }
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#endif
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};
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// TODO(LLVM 20): Remove the escape hatch
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#ifdef _LIBCPP_ENABLE_REMOVED_ALLOCATOR_CONST
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template <class _Tp>
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class _LIBCPP_TEMPLATE_VIS allocator<const _Tp>
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: private __non_trivial_if<!is_void<_Tp>::value, allocator<const _Tp> >
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{
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static_assert(!is_volatile<_Tp>::value, "std::allocator does not support volatile types");
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: private __non_trivial_if<!is_void<_Tp>::value, allocator<const _Tp> > {
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static_assert(!is_volatile<_Tp>::value, "std::allocator does not support volatile types");
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public:
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typedef size_t size_type;
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typedef ptrdiff_t difference_type;
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typedef const _Tp value_type;
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typedef true_type propagate_on_container_move_assignment;
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typedef true_type is_always_equal;
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typedef size_t size_type;
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typedef ptrdiff_t difference_type;
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typedef const _Tp value_type;
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typedef true_type propagate_on_container_move_assignment;
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# if _LIBCPP_STD_VER <= 23 || defined(_LIBCPP_ENABLE_CXX26_REMOVED_ALLOCATOR_MEMBERS)
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_LIBCPP_DEPRECATED_IN_CXX23 typedef true_type is_always_equal;
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# endif
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_LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 allocator() _NOEXCEPT = default;
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_LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 allocator() _NOEXCEPT = default;
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template <class _Up>
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_LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_SINCE_CXX20
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allocator(const allocator<_Up>&) _NOEXCEPT { }
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template <class _Up>
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_LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 allocator(const allocator<_Up>&) _NOEXCEPT {}
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_LIBCPP_NODISCARD_AFTER_CXX17 _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_SINCE_CXX20
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const _Tp* allocate(size_t __n) {
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if (__n > allocator_traits<allocator>::max_size(*this))
|
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__throw_bad_array_new_length();
|
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if (__libcpp_is_constant_evaluated()) {
|
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return static_cast<const _Tp*>(::operator new(__n * sizeof(_Tp)));
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} else {
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return static_cast<const _Tp*>(_VSTD::__libcpp_allocate(__n * sizeof(_Tp), _LIBCPP_ALIGNOF(_Tp)));
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}
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_LIBCPP_NODISCARD _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 const _Tp* allocate(size_t __n) {
|
||||
if (__n > allocator_traits<allocator>::max_size(*this))
|
||||
__throw_bad_array_new_length();
|
||||
if (__libcpp_is_constant_evaluated()) {
|
||||
return static_cast<const _Tp*>(::operator new(__n * sizeof(_Tp)));
|
||||
} else {
|
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return static_cast<const _Tp*>(std::__libcpp_allocate(__n * sizeof(_Tp), _LIBCPP_ALIGNOF(_Tp)));
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}
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}
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#if _LIBCPP_STD_VER >= 23
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[[nodiscard]] _LIBCPP_HIDE_FROM_ABI constexpr
|
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allocation_result<const _Tp*> allocate_at_least(size_t __n) {
|
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return {allocate(__n), __n};
|
||||
# if _LIBCPP_STD_VER >= 23
|
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[[nodiscard]] _LIBCPP_HIDE_FROM_ABI constexpr allocation_result<const _Tp*> allocate_at_least(size_t __n) {
|
||||
return {allocate(__n), __n};
|
||||
}
|
||||
# endif
|
||||
|
||||
_LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 void deallocate(const _Tp* __p, size_t __n) {
|
||||
if (__libcpp_is_constant_evaluated()) {
|
||||
::operator delete(const_cast<_Tp*>(__p));
|
||||
} else {
|
||||
std::__libcpp_deallocate((void*)const_cast<_Tp*>(__p), __n * sizeof(_Tp), _LIBCPP_ALIGNOF(_Tp));
|
||||
}
|
||||
#endif
|
||||
}
|
||||
|
||||
_LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_SINCE_CXX20
|
||||
void deallocate(const _Tp* __p, size_t __n) {
|
||||
if (__libcpp_is_constant_evaluated()) {
|
||||
::operator delete(const_cast<_Tp*>(__p));
|
||||
} else {
|
||||
_VSTD::__libcpp_deallocate((void*) const_cast<_Tp *>(__p), __n * sizeof(_Tp), _LIBCPP_ALIGNOF(_Tp));
|
||||
}
|
||||
}
|
||||
// C++20 Removed members
|
||||
# if _LIBCPP_STD_VER <= 17
|
||||
_LIBCPP_DEPRECATED_IN_CXX17 typedef const _Tp* pointer;
|
||||
_LIBCPP_DEPRECATED_IN_CXX17 typedef const _Tp* const_pointer;
|
||||
_LIBCPP_DEPRECATED_IN_CXX17 typedef const _Tp& reference;
|
||||
_LIBCPP_DEPRECATED_IN_CXX17 typedef const _Tp& const_reference;
|
||||
|
||||
// C++20 Removed members
|
||||
#if _LIBCPP_STD_VER <= 17 || defined(_LIBCPP_ENABLE_CXX20_REMOVED_ALLOCATOR_MEMBERS)
|
||||
_LIBCPP_DEPRECATED_IN_CXX17 typedef const _Tp* pointer;
|
||||
_LIBCPP_DEPRECATED_IN_CXX17 typedef const _Tp* const_pointer;
|
||||
_LIBCPP_DEPRECATED_IN_CXX17 typedef const _Tp& reference;
|
||||
_LIBCPP_DEPRECATED_IN_CXX17 typedef const _Tp& const_reference;
|
||||
template <class _Up>
|
||||
struct _LIBCPP_DEPRECATED_IN_CXX17 rebind {
|
||||
typedef allocator<_Up> other;
|
||||
};
|
||||
|
||||
template <class _Up>
|
||||
struct _LIBCPP_DEPRECATED_IN_CXX17 rebind {
|
||||
typedef allocator<_Up> other;
|
||||
};
|
||||
_LIBCPP_DEPRECATED_IN_CXX17 _LIBCPP_HIDE_FROM_ABI const_pointer address(const_reference __x) const _NOEXCEPT {
|
||||
return std::addressof(__x);
|
||||
}
|
||||
|
||||
_LIBCPP_DEPRECATED_IN_CXX17 _LIBCPP_INLINE_VISIBILITY
|
||||
const_pointer address(const_reference __x) const _NOEXCEPT {
|
||||
return _VSTD::addressof(__x);
|
||||
}
|
||||
_LIBCPP_NODISCARD _LIBCPP_HIDE_FROM_ABI _LIBCPP_DEPRECATED_IN_CXX17 const _Tp* allocate(size_t __n, const void*) {
|
||||
return allocate(__n);
|
||||
}
|
||||
|
||||
_LIBCPP_NODISCARD_AFTER_CXX17 _LIBCPP_INLINE_VISIBILITY _LIBCPP_DEPRECATED_IN_CXX17
|
||||
const _Tp* allocate(size_t __n, const void*) {
|
||||
return allocate(__n);
|
||||
}
|
||||
_LIBCPP_DEPRECATED_IN_CXX17 _LIBCPP_HIDE_FROM_ABI size_type max_size() const _NOEXCEPT {
|
||||
return size_type(~0) / sizeof(_Tp);
|
||||
}
|
||||
|
||||
_LIBCPP_DEPRECATED_IN_CXX17 _LIBCPP_INLINE_VISIBILITY size_type max_size() const _NOEXCEPT {
|
||||
return size_type(~0) / sizeof(_Tp);
|
||||
}
|
||||
template <class _Up, class... _Args>
|
||||
_LIBCPP_DEPRECATED_IN_CXX17 _LIBCPP_HIDE_FROM_ABI void construct(_Up* __p, _Args&&... __args) {
|
||||
::new ((void*)__p) _Up(std::forward<_Args>(__args)...);
|
||||
}
|
||||
|
||||
template <class _Up, class... _Args>
|
||||
_LIBCPP_DEPRECATED_IN_CXX17 _LIBCPP_INLINE_VISIBILITY
|
||||
void construct(_Up* __p, _Args&&... __args) {
|
||||
::new ((void*)__p) _Up(_VSTD::forward<_Args>(__args)...);
|
||||
}
|
||||
|
||||
_LIBCPP_DEPRECATED_IN_CXX17 _LIBCPP_INLINE_VISIBILITY
|
||||
void destroy(pointer __p) {
|
||||
__p->~_Tp();
|
||||
}
|
||||
#endif
|
||||
_LIBCPP_DEPRECATED_IN_CXX17 _LIBCPP_HIDE_FROM_ABI void destroy(pointer __p) { __p->~_Tp(); }
|
||||
# endif
|
||||
};
|
||||
#endif // _LIBCPP_ENABLE_REMOVED_ALLOCATOR_CONST
|
||||
|
||||
template <class _Tp, class _Up>
|
||||
inline _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_SINCE_CXX20
|
||||
bool operator==(const allocator<_Tp>&, const allocator<_Up>&) _NOEXCEPT {return true;}
|
||||
inline _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 bool
|
||||
operator==(const allocator<_Tp>&, const allocator<_Up>&) _NOEXCEPT {
|
||||
return true;
|
||||
}
|
||||
|
||||
#if _LIBCPP_STD_VER <= 17
|
||||
|
||||
template <class _Tp, class _Up>
|
||||
inline _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_SINCE_CXX20
|
||||
bool operator!=(const allocator<_Tp>&, const allocator<_Up>&) _NOEXCEPT {return false;}
|
||||
inline _LIBCPP_HIDE_FROM_ABI bool operator!=(const allocator<_Tp>&, const allocator<_Up>&) _NOEXCEPT {
|
||||
return false;
|
||||
}
|
||||
|
||||
#endif
|
||||
|
||||
_LIBCPP_END_NAMESPACE_STD
|
||||
|
||||
|
|
|
|||
Loading…
Add table
Add a link
Reference in a new issue