diff --git a/libcxx/include/CMakeLists.txt b/libcxx/include/CMakeLists.txt --- a/libcxx/include/CMakeLists.txt +++ b/libcxx/include/CMakeLists.txt @@ -742,6 +742,8 @@ __utility/to_underlying.h __utility/unreachable.h __variant/monostate.h + __vector/bool.h + __vector/vector.h __verbose_abort algorithm any diff --git a/libcxx/include/__format/buffer.h b/libcxx/include/__format/buffer.h --- a/libcxx/include/__format/buffer.h +++ b/libcxx/include/__format/buffer.h @@ -28,6 +28,7 @@ #include <__iterator/iterator_traits.h> #include <__iterator/wrap_iter.h> #include <__type_traits/add_pointer.h> +#include <__type_traits/conditional.h> #include <__utility/move.h> #include #include diff --git a/libcxx/include/__numeric/accumulate.h b/libcxx/include/__numeric/accumulate.h --- a/libcxx/include/__numeric/accumulate.h +++ b/libcxx/include/__numeric/accumulate.h @@ -11,6 +11,7 @@ #define _LIBCPP___NUMERIC_ACCUMULATE_H #include <__config> +#include <__iterator/wrap_iter.h> #include <__utility/move.h> #if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER) diff --git a/libcxx/include/__random/discrete_distribution.h b/libcxx/include/__random/discrete_distribution.h --- a/libcxx/include/__random/discrete_distribution.h +++ b/libcxx/include/__random/discrete_distribution.h @@ -11,6 +11,7 @@ #include <__algorithm/upper_bound.h> #include <__config> +#include <__iterator/wrap_iter.h> #include <__random/is_valid.h> #include <__random/uniform_real_distribution.h> #include diff --git a/libcxx/include/__random/seed_seq.h b/libcxx/include/__random/seed_seq.h --- a/libcxx/include/__random/seed_seq.h +++ b/libcxx/include/__random/seed_seq.h @@ -13,6 +13,8 @@ #include <__algorithm/fill.h> #include <__algorithm/max.h> #include <__config> +#include <__iterator/iterator_traits.h> +#include <__iterator/wrap_iter.h> #include #include #include diff --git a/libcxx/include/__vector/bool.h b/libcxx/include/__vector/bool.h new file mode 100644 --- /dev/null +++ b/libcxx/include/__vector/bool.h @@ -0,0 +1,1393 @@ +// -*- 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___VECTOR_BOOL_H +#define _LIBCPP___VECTOR_BOOL_H + +#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER) +# pragma GCC system_header +#endif + +#include <__algorithm/copy.h> +#include <__algorithm/equal.h> +#include <__algorithm/fill_n.h> +#include <__algorithm/lexicographical_compare.h> +#include <__algorithm/remove.h> +#include <__algorithm/remove_if.h> +#include <__algorithm/rotate.h> +#include <__algorithm/unwrap_iter.h> +#include <__bit_reference> +#include <__concepts/same_as.h> +#include <__config> +#include <__debug> +#include <__format/enable_insertable.h> +#include <__format/formatter.h> +#include <__functional/hash.h> +#include <__functional/unary_function.h> +#include <__iterator/advance.h> +#include <__iterator/iterator_traits.h> +#include <__iterator/reverse_iterator.h> +#include <__iterator/wrap_iter.h> +#include <__memory/allocate_at_least.h> +#include <__memory/pointer_traits.h> +#include <__memory/swap_allocator.h> +#include <__memory/temp_value.h> +#include <__memory/uninitialized_algorithms.h> +#include <__split_buffer> +#include <__type_traits/is_allocator.h> +#include <__type_traits/noexcept_move_assign_container.h> +#include <__type_traits/type_identity.h> +#include <__utility/exception_guard.h> +#include <__utility/forward.h> +#include <__utility/move.h> +#include <__utility/swap.h> +#include +#include // for forward declaration of vector +#include +#include + +// standard-mandated includes + +// [iterator.range] +#include <__iterator/access.h> +#include <__iterator/data.h> +#include <__iterator/empty.h> +#include <__iterator/reverse_access.h> +#include <__iterator/size.h> + +// [vector.syn] +#include +#include + +_LIBCPP_PUSH_MACROS +#include <__undef_macros> + +_LIBCPP_BEGIN_NAMESPACE_STD + +template class vector; + +template struct hash >; + +template +struct __has_storage_type > +{ + static const bool value = true; +}; + +template +class _LIBCPP_TEMPLATE_VIS vector +{ +public: + typedef vector __self; + typedef bool value_type; + typedef _Allocator allocator_type; + typedef allocator_traits __alloc_traits; + typedef typename __alloc_traits::size_type size_type; + typedef typename __alloc_traits::difference_type difference_type; + typedef size_type __storage_type; + typedef __bit_iterator pointer; + typedef __bit_iterator const_pointer; + typedef pointer iterator; + typedef const_pointer const_iterator; + typedef std::reverse_iterator reverse_iterator; + typedef std::reverse_iterator const_reverse_iterator; + +private: + typedef __rebind_alloc<__alloc_traits, __storage_type> __storage_allocator; + typedef allocator_traits<__storage_allocator> __storage_traits; + typedef typename __storage_traits::pointer __storage_pointer; + typedef typename __storage_traits::const_pointer __const_storage_pointer; + + __storage_pointer __begin_; + size_type __size_; + __compressed_pair __cap_alloc_; +public: + typedef __bit_reference reference; +#ifdef _LIBCPP_ABI_BITSET_VECTOR_BOOL_CONST_SUBSCRIPT_RETURN_BOOL + using const_reference = bool; +#else + typedef __bit_const_reference const_reference; +#endif +private: + _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 + size_type& __cap() _NOEXCEPT + {return __cap_alloc_.first();} + _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 + const size_type& __cap() const _NOEXCEPT + {return __cap_alloc_.first();} + _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 + __storage_allocator& __alloc() _NOEXCEPT + {return __cap_alloc_.second();} + _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 + const __storage_allocator& __alloc() const _NOEXCEPT + {return __cap_alloc_.second();} + + static const unsigned __bits_per_word = static_cast(sizeof(__storage_type) * CHAR_BIT); + + _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 + static size_type __internal_cap_to_external(size_type __n) _NOEXCEPT + {return __n * __bits_per_word;} + _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 + static size_type __external_cap_to_internal(size_type __n) _NOEXCEPT + {return (__n - 1) / __bits_per_word + 1;} + +public: + _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 + vector() _NOEXCEPT_(is_nothrow_default_constructible::value); + + _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 explicit vector(const allocator_type& __a) +#if _LIBCPP_STD_VER <= 14 + _NOEXCEPT_(is_nothrow_copy_constructible::value); +#else + _NOEXCEPT; +#endif + +private: + class __destroy_vector { + public: + _LIBCPP_CONSTEXPR __destroy_vector(vector& __vec) : __vec_(__vec) {} + + _LIBCPP_CONSTEXPR_SINCE_CXX20 _LIBCPP_HIDE_FROM_ABI void operator()() { + if (__vec_.__begin_ != nullptr) + __storage_traits::deallocate(__vec_.__alloc(), __vec_.__begin_, __vec_.__cap()); + std::__debug_db_invalidate_all(this); + } + + private: + vector& __vec_; + }; + +public: + _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 ~vector() { __destroy_vector(*this)(); } + + _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 explicit vector(size_type __n); +#if _LIBCPP_STD_VER >= 14 + _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 explicit vector(size_type __n, const allocator_type& __a); +#endif + _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 vector(size_type __n, const value_type& __v); + _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 vector(size_type __n, const value_type& __v, const allocator_type& __a); + template + _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 vector(_InputIterator __first, _InputIterator __last, + typename enable_if<__is_exactly_cpp17_input_iterator<_InputIterator>::value>::type* = 0); + template + _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 vector(_InputIterator __first, _InputIterator __last, const allocator_type& __a, + typename enable_if<__is_exactly_cpp17_input_iterator<_InputIterator>::value>::type* = 0); + template + _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 vector(_ForwardIterator __first, _ForwardIterator __last, + typename enable_if<__is_cpp17_forward_iterator<_ForwardIterator>::value>::type* = 0); + template + _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 vector(_ForwardIterator __first, _ForwardIterator __last, const allocator_type& __a, + typename enable_if<__is_cpp17_forward_iterator<_ForwardIterator>::value>::type* = 0); + + _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 vector(const vector& __v); + _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 vector(const vector& __v, const allocator_type& __a); + _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 vector& operator=(const vector& __v); + +#ifndef _LIBCPP_CXX03_LANG + _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 vector(initializer_list __il); + _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 vector(initializer_list __il, const allocator_type& __a); + + _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 + vector& operator=(initializer_list __il) + {assign(__il.begin(), __il.end()); return *this;} + +#endif // !_LIBCPP_CXX03_LANG + + _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 + vector(vector&& __v) +#if _LIBCPP_STD_VER >= 17 + noexcept; +#else + _NOEXCEPT_(is_nothrow_move_constructible::value); +#endif + _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 vector(vector&& __v, const __type_identity_t& __a); + _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 + vector& operator=(vector&& __v) + _NOEXCEPT_((__noexcept_move_assign_container<_Allocator, __alloc_traits>::value)); + + template + typename enable_if <__is_exactly_cpp17_input_iterator<_InputIterator>::value, + void + >::type + _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 assign(_InputIterator __first, _InputIterator __last); + template + typename enable_if + < + __is_cpp17_forward_iterator<_ForwardIterator>::value, + void + >::type + _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 assign(_ForwardIterator __first, _ForwardIterator __last); + + _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 void assign(size_type __n, const value_type& __x); + +#ifndef _LIBCPP_CXX03_LANG + _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 + void assign(initializer_list __il) + {assign(__il.begin(), __il.end());} +#endif + + _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 allocator_type get_allocator() const _NOEXCEPT + {return allocator_type(this->__alloc());} + + _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 size_type max_size() const _NOEXCEPT; + _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 + size_type capacity() const _NOEXCEPT + {return __internal_cap_to_external(__cap());} + _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 + size_type size() const _NOEXCEPT + {return __size_;} + _LIBCPP_NODISCARD_AFTER_CXX17 _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 + bool empty() const _NOEXCEPT + {return __size_ == 0;} + _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 void reserve(size_type __n); + _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 void shrink_to_fit() _NOEXCEPT; + + _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 + iterator begin() _NOEXCEPT + {return __make_iter(0);} + _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 + const_iterator begin() const _NOEXCEPT + {return __make_iter(0);} + _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 + iterator end() _NOEXCEPT + {return __make_iter(__size_);} + _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 + const_iterator end() const _NOEXCEPT + {return __make_iter(__size_);} + + _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 + reverse_iterator rbegin() _NOEXCEPT + {return reverse_iterator(end());} + _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 + const_reverse_iterator rbegin() const _NOEXCEPT + {return const_reverse_iterator(end());} + _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 + reverse_iterator rend() _NOEXCEPT + {return reverse_iterator(begin());} + _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 + const_reverse_iterator rend() const _NOEXCEPT + {return const_reverse_iterator(begin());} + + _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 + const_iterator cbegin() const _NOEXCEPT + {return __make_iter(0);} + _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 + const_iterator cend() const _NOEXCEPT + {return __make_iter(__size_);} + _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 + const_reverse_iterator crbegin() const _NOEXCEPT + {return rbegin();} + _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 + const_reverse_iterator crend() const _NOEXCEPT + {return rend();} + + _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 reference operator[](size_type __n) {return __make_ref(__n);} + _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 const_reference operator[](size_type __n) const {return __make_ref(__n);} + _LIBCPP_HIDE_FROM_ABI reference at(size_type __n); + _LIBCPP_HIDE_FROM_ABI const_reference at(size_type __n) const; + + _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 reference front() {return __make_ref(0);} + _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 const_reference front() const {return __make_ref(0);} + _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 reference back() {return __make_ref(__size_ - 1);} + _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 const_reference back() const {return __make_ref(__size_ - 1);} + + _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 void push_back(const value_type& __x); +#if _LIBCPP_STD_VER >= 14 + template +#if _LIBCPP_STD_VER >= 17 + _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 reference emplace_back(_Args&&... __args) +#else + _LIBCPP_HIDE_FROM_ABI void emplace_back(_Args&&... __args) +#endif + { + push_back ( value_type ( std::forward<_Args>(__args)... )); +#if _LIBCPP_STD_VER >= 17 + return this->back(); +#endif + } +#endif + + _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 void pop_back() {--__size_;} + +#if _LIBCPP_STD_VER >= 14 + template + _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 iterator emplace(const_iterator __position, _Args&&... __args) + { return insert ( __position, value_type ( std::forward<_Args>(__args)... )); } +#endif + + _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 iterator insert(const_iterator __position, const value_type& __x); + _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 iterator insert(const_iterator __position, size_type __n, const value_type& __x); + template + typename enable_if <__is_exactly_cpp17_input_iterator<_InputIterator>::value, + iterator + >::type + _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 insert(const_iterator __position, _InputIterator __first, _InputIterator __last); + template + typename enable_if + < + __is_cpp17_forward_iterator<_ForwardIterator>::value, + iterator + >::type + _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 insert(const_iterator __position, _ForwardIterator __first, _ForwardIterator __last); + +#ifndef _LIBCPP_CXX03_LANG + _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 + iterator insert(const_iterator __position, initializer_list __il) + {return insert(__position, __il.begin(), __il.end());} +#endif + + _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 iterator erase(const_iterator __position); + _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 iterator erase(const_iterator __first, const_iterator __last); + + _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 + void clear() _NOEXCEPT {__size_ = 0;} + + _LIBCPP_CONSTEXPR_SINCE_CXX20 void swap(vector&) +#if _LIBCPP_STD_VER >= 14 + _NOEXCEPT; +#else + _NOEXCEPT_(!__alloc_traits::propagate_on_container_swap::value || + __is_nothrow_swappable::value); +#endif + _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 static void swap(reference __x, reference __y) _NOEXCEPT { std::swap(__x, __y); } + + _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 void resize(size_type __sz, value_type __x = false); + _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 void flip() _NOEXCEPT; + + _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 bool __invariants() const; + +private: + _LIBCPP_NORETURN _LIBCPP_HIDE_FROM_ABI + void __throw_length_error() const { + std::__throw_length_error("vector"); + } + + _LIBCPP_NORETURN _LIBCPP_HIDE_FROM_ABI + void __throw_out_of_range() const { + std::__throw_out_of_range("vector"); + } + + // Allocate space for __n objects + // throws length_error if __n > max_size() + // throws (probably bad_alloc) if memory run out + // Precondition: __begin_ == __end_ == __cap() == 0 + // Precondition: __n > 0 + // Postcondition: capacity() >= __n + // Postcondition: size() == 0 + _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 void __vallocate(size_type __n) { + if (__n > max_size()) + __throw_length_error(); + auto __allocation = std::__allocate_at_least(__alloc(), __external_cap_to_internal(__n)); + __begin_ = __allocation.ptr; + __size_ = 0; + __cap() = __allocation.count; + if (__libcpp_is_constant_evaluated()) { + for (size_type __i = 0; __i != __cap(); ++__i) + std::__construct_at(std::__to_address(__begin_) + __i); + } + } + + _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 void __vdeallocate() _NOEXCEPT; + _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 + static size_type __align_it(size_type __new_size) _NOEXCEPT + {return (__new_size + (__bits_per_word-1)) & ~((size_type)__bits_per_word-1);} + _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 size_type __recommend(size_type __new_size) const; + _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 void __construct_at_end(size_type __n, bool __x); + template + typename enable_if + < + __is_cpp17_forward_iterator<_ForwardIterator>::value, + void + >::type + _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 __construct_at_end(_ForwardIterator __first, _ForwardIterator __last); + _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 void __append(size_type __n, const_reference __x); + _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 + reference __make_ref(size_type __pos) _NOEXCEPT + {return reference(__begin_ + __pos / __bits_per_word, __storage_type(1) << __pos % __bits_per_word);} + _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 + const_reference __make_ref(size_type __pos) const _NOEXCEPT { + return __bit_const_reference(__begin_ + __pos / __bits_per_word, + __storage_type(1) << __pos % __bits_per_word); + } + _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 + iterator __make_iter(size_type __pos) _NOEXCEPT + {return iterator(__begin_ + __pos / __bits_per_word, static_cast(__pos % __bits_per_word));} + _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 + const_iterator __make_iter(size_type __pos) const _NOEXCEPT + {return const_iterator(__begin_ + __pos / __bits_per_word, static_cast(__pos % __bits_per_word));} + _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 + iterator __const_iterator_cast(const_iterator __p) _NOEXCEPT + {return begin() + (__p - cbegin());} + + _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 + void __copy_assign_alloc(const vector& __v) + {__copy_assign_alloc(__v, integral_constant());} + _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 + void __copy_assign_alloc(const vector& __c, true_type) + { + if (__alloc() != __c.__alloc()) + __vdeallocate(); + __alloc() = __c.__alloc(); + } + + _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 + void __copy_assign_alloc(const vector&, false_type) + {} + + _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 void __move_assign(vector& __c, false_type); + _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 void __move_assign(vector& __c, true_type) + _NOEXCEPT_(is_nothrow_move_assignable::value); + _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 + void __move_assign_alloc(vector& __c) + _NOEXCEPT_( + !__storage_traits::propagate_on_container_move_assignment::value || + is_nothrow_move_assignable::value) + {__move_assign_alloc(__c, integral_constant());} + _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 + void __move_assign_alloc(vector& __c, true_type) + _NOEXCEPT_(is_nothrow_move_assignable::value) + { + __alloc() = std::move(__c.__alloc()); + } + + _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 + void __move_assign_alloc(vector&, false_type) + _NOEXCEPT + {} + + _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 size_t __hash_code() const _NOEXCEPT; + + friend class __bit_reference; + friend class __bit_const_reference; + friend class __bit_iterator; + friend class __bit_iterator; + friend struct __bit_array; + friend struct _LIBCPP_TEMPLATE_VIS hash; +}; + +template +_LIBCPP_CONSTEXPR_SINCE_CXX20 void +vector::__vdeallocate() _NOEXCEPT +{ + if (this->__begin_ != nullptr) + { + __storage_traits::deallocate(this->__alloc(), this->__begin_, __cap()); + std::__debug_db_invalidate_all(this); + this->__begin_ = nullptr; + this->__size_ = this->__cap() = 0; + } +} + +template +_LIBCPP_CONSTEXPR_SINCE_CXX20 +typename vector::size_type +vector::max_size() const _NOEXCEPT +{ + size_type __amax = __storage_traits::max_size(__alloc()); + size_type __nmax = numeric_limits::max() / 2; // end() >= begin(), always + if (__nmax / __bits_per_word <= __amax) + return __nmax; + return __internal_cap_to_external(__amax); +} + +// Precondition: __new_size > capacity() +template +inline _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 +typename vector::size_type +vector::__recommend(size_type __new_size) const +{ + const size_type __ms = max_size(); + if (__new_size > __ms) + this->__throw_length_error(); + const size_type __cap = capacity(); + if (__cap >= __ms / 2) + return __ms; + return std::max(2 * __cap, __align_it(__new_size)); +} + +// Default constructs __n objects starting at __end_ +// Precondition: __n > 0 +// Precondition: size() + __n <= capacity() +// Postcondition: size() == size() + __n +template +inline _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 +void +vector::__construct_at_end(size_type __n, bool __x) +{ + size_type __old_size = this->__size_; + this->__size_ += __n; + if (__old_size == 0 || ((__old_size - 1) / __bits_per_word) != ((this->__size_ - 1) / __bits_per_word)) + { + if (this->__size_ <= __bits_per_word) + this->__begin_[0] = __storage_type(0); + else + this->__begin_[(this->__size_ - 1) / __bits_per_word] = __storage_type(0); + } + std::fill_n(__make_iter(__old_size), __n, __x); +} + +template +template +_LIBCPP_CONSTEXPR_SINCE_CXX20 +typename enable_if +< + __is_cpp17_forward_iterator<_ForwardIterator>::value, + void +>::type +vector::__construct_at_end(_ForwardIterator __first, _ForwardIterator __last) +{ + size_type __old_size = this->__size_; + this->__size_ += std::distance(__first, __last); + if (__old_size == 0 || ((__old_size - 1) / __bits_per_word) != ((this->__size_ - 1) / __bits_per_word)) + { + if (this->__size_ <= __bits_per_word) + this->__begin_[0] = __storage_type(0); + else + this->__begin_[(this->__size_ - 1) / __bits_per_word] = __storage_type(0); + } + std::copy(__first, __last, __make_iter(__old_size)); +} + +template +inline _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 +vector::vector() + _NOEXCEPT_(is_nothrow_default_constructible::value) + : __begin_(nullptr), + __size_(0), + __cap_alloc_(0, __default_init_tag()) +{ +} + +template +inline _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 +vector::vector(const allocator_type& __a) +#if _LIBCPP_STD_VER <= 14 + _NOEXCEPT_(is_nothrow_copy_constructible::value) +#else + _NOEXCEPT +#endif + : __begin_(nullptr), + __size_(0), + __cap_alloc_(0, static_cast<__storage_allocator>(__a)) +{ +} + +template +_LIBCPP_CONSTEXPR_SINCE_CXX20 +vector::vector(size_type __n) + : __begin_(nullptr), + __size_(0), + __cap_alloc_(0, __default_init_tag()) +{ + if (__n > 0) + { + __vallocate(__n); + __construct_at_end(__n, false); + } +} + +#if _LIBCPP_STD_VER >= 14 +template +_LIBCPP_CONSTEXPR_SINCE_CXX20 +vector::vector(size_type __n, const allocator_type& __a) + : __begin_(nullptr), + __size_(0), + __cap_alloc_(0, static_cast<__storage_allocator>(__a)) +{ + if (__n > 0) + { + __vallocate(__n); + __construct_at_end(__n, false); + } +} +#endif + +template +_LIBCPP_CONSTEXPR_SINCE_CXX20 +vector::vector(size_type __n, const value_type& __x) + : __begin_(nullptr), + __size_(0), + __cap_alloc_(0, __default_init_tag()) +{ + if (__n > 0) + { + __vallocate(__n); + __construct_at_end(__n, __x); + } +} + +template +_LIBCPP_CONSTEXPR_SINCE_CXX20 +vector::vector(size_type __n, const value_type& __x, const allocator_type& __a) + : __begin_(nullptr), + __size_(0), + __cap_alloc_(0, static_cast<__storage_allocator>(__a)) +{ + if (__n > 0) + { + __vallocate(__n); + __construct_at_end(__n, __x); + } +} + +template +template +_LIBCPP_CONSTEXPR_SINCE_CXX20 +vector::vector(_InputIterator __first, _InputIterator __last, + typename enable_if<__is_exactly_cpp17_input_iterator<_InputIterator>::value>::type*) + : __begin_(nullptr), + __size_(0), + __cap_alloc_(0, __default_init_tag()) +{ +#ifndef _LIBCPP_HAS_NO_EXCEPTIONS + try + { +#endif // _LIBCPP_HAS_NO_EXCEPTIONS + for (; __first != __last; ++__first) + push_back(*__first); +#ifndef _LIBCPP_HAS_NO_EXCEPTIONS + } + catch (...) + { + if (__begin_ != nullptr) + __storage_traits::deallocate(__alloc(), __begin_, __cap()); + std::__debug_db_invalidate_all(this); + throw; + } +#endif // _LIBCPP_HAS_NO_EXCEPTIONS +} + +template +template +_LIBCPP_CONSTEXPR_SINCE_CXX20 +vector::vector(_InputIterator __first, _InputIterator __last, const allocator_type& __a, + typename enable_if<__is_exactly_cpp17_input_iterator<_InputIterator>::value>::type*) + : __begin_(nullptr), + __size_(0), + __cap_alloc_(0, static_cast<__storage_allocator>(__a)) +{ +#ifndef _LIBCPP_HAS_NO_EXCEPTIONS + try + { +#endif // _LIBCPP_HAS_NO_EXCEPTIONS + for (; __first != __last; ++__first) + push_back(*__first); +#ifndef _LIBCPP_HAS_NO_EXCEPTIONS + } + catch (...) + { + if (__begin_ != nullptr) + __storage_traits::deallocate(__alloc(), __begin_, __cap()); + std::__debug_db_invalidate_all(this); + throw; + } +#endif // _LIBCPP_HAS_NO_EXCEPTIONS +} + +template +template +_LIBCPP_CONSTEXPR_SINCE_CXX20 +vector::vector(_ForwardIterator __first, _ForwardIterator __last, + typename enable_if<__is_cpp17_forward_iterator<_ForwardIterator>::value>::type*) + : __begin_(nullptr), + __size_(0), + __cap_alloc_(0, __default_init_tag()) +{ + auto __guard = std::__make_exception_guard(__destroy_vector(*this)); + size_type __n = static_cast(std::distance(__first, __last)); + if (__n > 0) + { + __vallocate(__n); + __construct_at_end(__first, __last); + } + __guard.__complete(); +} + +template +template +_LIBCPP_CONSTEXPR_SINCE_CXX20 +vector::vector(_ForwardIterator __first, _ForwardIterator __last, const allocator_type& __a, + typename enable_if<__is_cpp17_forward_iterator<_ForwardIterator>::value>::type*) + : __begin_(nullptr), + __size_(0), + __cap_alloc_(0, static_cast<__storage_allocator>(__a)) +{ + auto __guard = std::__make_exception_guard(__destroy_vector(*this)); + size_type __n = static_cast(std::distance(__first, __last)); + if (__n > 0) + { + __vallocate(__n); + __construct_at_end(__first, __last); + } + __guard.__complete(); +} + +#ifndef _LIBCPP_CXX03_LANG + +template +_LIBCPP_CONSTEXPR_SINCE_CXX20 +vector::vector(initializer_list __il) + : __begin_(nullptr), + __size_(0), + __cap_alloc_(0, __default_init_tag()) +{ + size_type __n = static_cast(__il.size()); + if (__n > 0) + { + __vallocate(__n); + __construct_at_end(__il.begin(), __il.end()); + } +} + +template +_LIBCPP_CONSTEXPR_SINCE_CXX20 +vector::vector(initializer_list __il, const allocator_type& __a) + : __begin_(nullptr), + __size_(0), + __cap_alloc_(0, static_cast<__storage_allocator>(__a)) +{ + size_type __n = static_cast(__il.size()); + if (__n > 0) + { + __vallocate(__n); + __construct_at_end(__il.begin(), __il.end()); + } +} + +#endif // _LIBCPP_CXX03_LANG + +template +_LIBCPP_CONSTEXPR_SINCE_CXX20 +vector::vector(const vector& __v) + : __begin_(nullptr), + __size_(0), + __cap_alloc_(0, __storage_traits::select_on_container_copy_construction(__v.__alloc())) +{ + if (__v.size() > 0) + { + __vallocate(__v.size()); + __construct_at_end(__v.begin(), __v.end()); + } +} + +template +_LIBCPP_CONSTEXPR_SINCE_CXX20 +vector::vector(const vector& __v, const allocator_type& __a) + : __begin_(nullptr), + __size_(0), + __cap_alloc_(0, __a) +{ + if (__v.size() > 0) + { + __vallocate(__v.size()); + __construct_at_end(__v.begin(), __v.end()); + } +} + +template +_LIBCPP_CONSTEXPR_SINCE_CXX20 +vector& +vector::operator=(const vector& __v) +{ + if (this != std::addressof(__v)) + { + __copy_assign_alloc(__v); + if (__v.__size_) + { + if (__v.__size_ > capacity()) + { + __vdeallocate(); + __vallocate(__v.__size_); + } + std::copy(__v.__begin_, __v.__begin_ + __external_cap_to_internal(__v.__size_), __begin_); + } + __size_ = __v.__size_; + } + return *this; +} + +template +inline _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 vector::vector(vector&& __v) +#if _LIBCPP_STD_VER >= 17 + _NOEXCEPT +#else + _NOEXCEPT_(is_nothrow_move_constructible::value) +#endif + : __begin_(__v.__begin_), + __size_(__v.__size_), + __cap_alloc_(std::move(__v.__cap_alloc_)) { + __v.__begin_ = nullptr; + __v.__size_ = 0; + __v.__cap() = 0; +} + +template +_LIBCPP_CONSTEXPR_SINCE_CXX20 +vector::vector(vector&& __v, const __type_identity_t& __a) + : __begin_(nullptr), + __size_(0), + __cap_alloc_(0, __a) +{ + if (__a == allocator_type(__v.__alloc())) + { + this->__begin_ = __v.__begin_; + this->__size_ = __v.__size_; + this->__cap() = __v.__cap(); + __v.__begin_ = nullptr; + __v.__cap() = __v.__size_ = 0; + } + else if (__v.size() > 0) + { + __vallocate(__v.size()); + __construct_at_end(__v.begin(), __v.end()); + } +} + +template +inline _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 +vector& +vector::operator=(vector&& __v) + _NOEXCEPT_((__noexcept_move_assign_container<_Allocator, __alloc_traits>::value)) +{ + __move_assign(__v, integral_constant()); + return *this; +} + +template +_LIBCPP_CONSTEXPR_SINCE_CXX20 void +vector::__move_assign(vector& __c, false_type) +{ + if (__alloc() != __c.__alloc()) + assign(__c.begin(), __c.end()); + else + __move_assign(__c, true_type()); +} + +template +_LIBCPP_CONSTEXPR_SINCE_CXX20 void +vector::__move_assign(vector& __c, true_type) + _NOEXCEPT_(is_nothrow_move_assignable::value) +{ + __vdeallocate(); + __move_assign_alloc(__c); + this->__begin_ = __c.__begin_; + this->__size_ = __c.__size_; + this->__cap() = __c.__cap(); + __c.__begin_ = nullptr; + __c.__cap() = __c.__size_ = 0; +} + +template +_LIBCPP_CONSTEXPR_SINCE_CXX20 void +vector::assign(size_type __n, const value_type& __x) +{ + __size_ = 0; + if (__n > 0) + { + size_type __c = capacity(); + if (__n <= __c) + __size_ = __n; + else + { + vector __v(get_allocator()); + __v.reserve(__recommend(__n)); + __v.__size_ = __n; + swap(__v); + } + std::fill_n(begin(), __n, __x); + } + std::__debug_db_invalidate_all(this); +} + +template +template +_LIBCPP_CONSTEXPR_SINCE_CXX20 typename enable_if <__is_exactly_cpp17_input_iterator<_InputIterator>::value, + void +>::type +vector::assign(_InputIterator __first, _InputIterator __last) +{ + clear(); + for (; __first != __last; ++__first) + push_back(*__first); +} + +template +template +_LIBCPP_CONSTEXPR_SINCE_CXX20 +typename enable_if +< + __is_cpp17_forward_iterator<_ForwardIterator>::value, + void +>::type +vector::assign(_ForwardIterator __first, _ForwardIterator __last) +{ + clear(); + difference_type __ns = std::distance(__first, __last); + _LIBCPP_ASSERT(__ns >= 0, "invalid range specified"); + const size_t __n = static_cast(__ns); + if (__n) + { + if (__n > capacity()) + { + __vdeallocate(); + __vallocate(__n); + } + __construct_at_end(__first, __last); + } +} + +template +_LIBCPP_CONSTEXPR_SINCE_CXX20 void +vector::reserve(size_type __n) +{ + if (__n > capacity()) + { + if (__n > max_size()) + this->__throw_length_error(); + vector __v(this->get_allocator()); + __v.__vallocate(__n); + __v.__construct_at_end(this->begin(), this->end()); + swap(__v); + std::__debug_db_invalidate_all(this); + } +} + +template +_LIBCPP_CONSTEXPR_SINCE_CXX20 void +vector::shrink_to_fit() _NOEXCEPT +{ + if (__external_cap_to_internal(size()) > __cap()) + { +#ifndef _LIBCPP_HAS_NO_EXCEPTIONS + try + { +#endif // _LIBCPP_HAS_NO_EXCEPTIONS + vector(*this, allocator_type(__alloc())).swap(*this); +#ifndef _LIBCPP_HAS_NO_EXCEPTIONS + } + catch (...) + { + } +#endif // _LIBCPP_HAS_NO_EXCEPTIONS + } +} + +template +typename vector::reference +vector::at(size_type __n) +{ + if (__n >= size()) + this->__throw_out_of_range(); + return (*this)[__n]; +} + +template +typename vector::const_reference +vector::at(size_type __n) const +{ + if (__n >= size()) + this->__throw_out_of_range(); + return (*this)[__n]; +} + +template +_LIBCPP_CONSTEXPR_SINCE_CXX20 void +vector::push_back(const value_type& __x) +{ + if (this->__size_ == this->capacity()) + reserve(__recommend(this->__size_ + 1)); + ++this->__size_; + back() = __x; +} + +template +_LIBCPP_CONSTEXPR_SINCE_CXX20 typename vector::iterator +vector::insert(const_iterator __position, const value_type& __x) +{ + iterator __r; + if (size() < capacity()) + { + const_iterator __old_end = end(); + ++__size_; + std::copy_backward(__position, __old_end, end()); + __r = __const_iterator_cast(__position); + } + else + { + vector __v(get_allocator()); + __v.reserve(__recommend(__size_ + 1)); + __v.__size_ = __size_ + 1; + __r = std::copy(cbegin(), __position, __v.begin()); + std::copy_backward(__position, cend(), __v.end()); + swap(__v); + } + *__r = __x; + return __r; +} + +template +_LIBCPP_CONSTEXPR_SINCE_CXX20 typename vector::iterator +vector::insert(const_iterator __position, size_type __n, const value_type& __x) +{ + iterator __r; + size_type __c = capacity(); + if (__n <= __c && size() <= __c - __n) + { + const_iterator __old_end = end(); + __size_ += __n; + std::copy_backward(__position, __old_end, end()); + __r = __const_iterator_cast(__position); + } + else + { + vector __v(get_allocator()); + __v.reserve(__recommend(__size_ + __n)); + __v.__size_ = __size_ + __n; + __r = std::copy(cbegin(), __position, __v.begin()); + std::copy_backward(__position, cend(), __v.end()); + swap(__v); + } + std::fill_n(__r, __n, __x); + return __r; +} + +template +template +_LIBCPP_CONSTEXPR_SINCE_CXX20 typename enable_if <__is_exactly_cpp17_input_iterator<_InputIterator>::value, + typename vector::iterator +>::type +vector::insert(const_iterator __position, _InputIterator __first, _InputIterator __last) +{ + difference_type __off = __position - begin(); + iterator __p = __const_iterator_cast(__position); + iterator __old_end = end(); + for (; size() != capacity() && __first != __last; ++__first) + { + ++this->__size_; + back() = *__first; + } + vector __v(get_allocator()); + if (__first != __last) + { +#ifndef _LIBCPP_HAS_NO_EXCEPTIONS + try + { +#endif // _LIBCPP_HAS_NO_EXCEPTIONS + __v.assign(__first, __last); + difference_type __old_size = static_cast(__old_end - begin()); + difference_type __old_p = __p - begin(); + reserve(__recommend(size() + __v.size())); + __p = begin() + __old_p; + __old_end = begin() + __old_size; +#ifndef _LIBCPP_HAS_NO_EXCEPTIONS + } + catch (...) + { + erase(__old_end, end()); + throw; + } +#endif // _LIBCPP_HAS_NO_EXCEPTIONS + } + __p = std::rotate(__p, __old_end, end()); + insert(__p, __v.begin(), __v.end()); + return begin() + __off; +} + +template +template +_LIBCPP_CONSTEXPR_SINCE_CXX20 +typename enable_if +< + __is_cpp17_forward_iterator<_ForwardIterator>::value, + typename vector::iterator +>::type +vector::insert(const_iterator __position, _ForwardIterator __first, _ForwardIterator __last) +{ + const difference_type __n_signed = std::distance(__first, __last); + _LIBCPP_ASSERT(__n_signed >= 0, "invalid range specified"); + const size_type __n = static_cast(__n_signed); + iterator __r; + size_type __c = capacity(); + if (__n <= __c && size() <= __c - __n) + { + const_iterator __old_end = end(); + __size_ += __n; + std::copy_backward(__position, __old_end, end()); + __r = __const_iterator_cast(__position); + } + else + { + vector __v(get_allocator()); + __v.reserve(__recommend(__size_ + __n)); + __v.__size_ = __size_ + __n; + __r = std::copy(cbegin(), __position, __v.begin()); + std::copy_backward(__position, cend(), __v.end()); + swap(__v); + } + std::copy(__first, __last, __r); + return __r; +} + +template +inline _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 +typename vector::iterator +vector::erase(const_iterator __position) +{ + iterator __r = __const_iterator_cast(__position); + std::copy(__position + 1, this->cend(), __r); + --__size_; + return __r; +} + +template +_LIBCPP_CONSTEXPR_SINCE_CXX20 +typename vector::iterator +vector::erase(const_iterator __first, const_iterator __last) +{ + iterator __r = __const_iterator_cast(__first); + difference_type __d = __last - __first; + std::copy(__last, this->cend(), __r); + __size_ -= __d; + return __r; +} + +template +_LIBCPP_CONSTEXPR_SINCE_CXX20 void +vector::swap(vector& __x) +#if _LIBCPP_STD_VER >= 14 + _NOEXCEPT +#else + _NOEXCEPT_(!__alloc_traits::propagate_on_container_swap::value || + __is_nothrow_swappable::value) +#endif +{ + std::swap(this->__begin_, __x.__begin_); + std::swap(this->__size_, __x.__size_); + std::swap(this->__cap(), __x.__cap()); + std::__swap_allocator(this->__alloc(), __x.__alloc(), + integral_constant()); +} + +template +_LIBCPP_CONSTEXPR_SINCE_CXX20 void +vector::resize(size_type __sz, value_type __x) +{ + size_type __cs = size(); + if (__cs < __sz) + { + iterator __r; + size_type __c = capacity(); + size_type __n = __sz - __cs; + if (__n <= __c && __cs <= __c - __n) + { + __r = end(); + __size_ += __n; + } + else + { + vector __v(get_allocator()); + __v.reserve(__recommend(__size_ + __n)); + __v.__size_ = __size_ + __n; + __r = std::copy(cbegin(), cend(), __v.begin()); + swap(__v); + } + std::fill_n(__r, __n, __x); + } + else + __size_ = __sz; +} + +template +_LIBCPP_CONSTEXPR_SINCE_CXX20 void +vector::flip() _NOEXCEPT +{ + // do middle whole words + size_type __n = __size_; + __storage_pointer __p = __begin_; + for (; __n >= __bits_per_word; ++__p, __n -= __bits_per_word) + *__p = ~*__p; + // do last partial word + if (__n > 0) + { + __storage_type __m = ~__storage_type(0) >> (__bits_per_word - __n); + __storage_type __b = *__p & __m; + *__p &= ~__m; + *__p |= ~__b & __m; + } +} + +template +_LIBCPP_CONSTEXPR_SINCE_CXX20 bool +vector::__invariants() const +{ + if (this->__begin_ == nullptr) + { + if (this->__size_ != 0 || this->__cap() != 0) + return false; + } + else + { + if (this->__cap() == 0) + return false; + if (this->__size_ > this->capacity()) + return false; + } + return true; +} + +template +_LIBCPP_CONSTEXPR_SINCE_CXX20 size_t +vector::__hash_code() const _NOEXCEPT +{ + size_t __h = 0; + // do middle whole words + size_type __n = __size_; + __storage_pointer __p = __begin_; + for (; __n >= __bits_per_word; ++__p, __n -= __bits_per_word) + __h ^= *__p; + // do last partial word + if (__n > 0) + { + const __storage_type __m = ~__storage_type(0) >> (__bits_per_word - __n); + __h ^= *__p & __m; + } + return __h; +} + +template +struct _LIBCPP_TEMPLATE_VIS hash > + : public __unary_function, size_t> +{ + _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 + size_t operator()(const vector& __vec) const _NOEXCEPT + {return __vec.__hash_code();} +}; + +template +_LIBCPP_CONSTEXPR_SINCE_CXX20 +inline _LIBCPP_HIDE_FROM_ABI +bool +operator==(const vector<_Tp, _Allocator>& __x, const vector<_Tp, _Allocator>& __y) +{ + const typename vector<_Tp, _Allocator>::size_type __sz = __x.size(); + return __sz == __y.size() && std::equal(__x.begin(), __x.end(), __y.begin()); +} + +template +_LIBCPP_CONSTEXPR_SINCE_CXX20 +inline _LIBCPP_HIDE_FROM_ABI +bool +operator!=(const vector<_Tp, _Allocator>& __x, const vector<_Tp, _Allocator>& __y) +{ + return !(__x == __y); +} + +template +_LIBCPP_CONSTEXPR_SINCE_CXX20 +inline _LIBCPP_HIDE_FROM_ABI +bool +operator< (const vector<_Tp, _Allocator>& __x, const vector<_Tp, _Allocator>& __y) +{ + return std::lexicographical_compare(__x.begin(), __x.end(), __y.begin(), __y.end()); +} + +template +_LIBCPP_CONSTEXPR_SINCE_CXX20 +inline _LIBCPP_HIDE_FROM_ABI +bool +operator> (const vector<_Tp, _Allocator>& __x, const vector<_Tp, _Allocator>& __y) +{ + return __y < __x; +} + +template +_LIBCPP_CONSTEXPR_SINCE_CXX20 +inline _LIBCPP_HIDE_FROM_ABI +bool +operator>=(const vector<_Tp, _Allocator>& __x, const vector<_Tp, _Allocator>& __y) +{ + return !(__x < __y); +} + +template +_LIBCPP_CONSTEXPR_SINCE_CXX20 +inline _LIBCPP_HIDE_FROM_ABI +bool +operator<=(const vector<_Tp, _Allocator>& __x, const vector<_Tp, _Allocator>& __y) +{ + return !(__y < __x); +} + +template +_LIBCPP_CONSTEXPR_SINCE_CXX20 +inline _LIBCPP_HIDE_FROM_ABI +void +swap(vector<_Tp, _Allocator>& __x, vector<_Tp, _Allocator>& __y) + _NOEXCEPT_(_NOEXCEPT_(__x.swap(__y))) +{ + __x.swap(__y); +} + +#if _LIBCPP_STD_VER >= 20 +template +_LIBCPP_CONSTEXPR_SINCE_CXX20 +inline _LIBCPP_HIDE_FROM_ABI typename vector<_Tp, _Allocator>::size_type +erase(vector<_Tp, _Allocator>& __c, const _Up& __v) { + auto __old_size = __c.size(); + __c.erase(std::remove(__c.begin(), __c.end(), __v), __c.end()); + return __old_size - __c.size(); +} + +template +_LIBCPP_CONSTEXPR_SINCE_CXX20 +inline _LIBCPP_HIDE_FROM_ABI typename vector<_Tp, _Allocator>::size_type +erase_if(vector<_Tp, _Allocator>& __c, _Predicate __pred) { + auto __old_size = __c.size(); + __c.erase(std::remove_if(__c.begin(), __c.end(), __pred), __c.end()); + return __old_size - __c.size(); +} + +template <> +inline constexpr bool __format::__enable_insertable> = true; +#ifndef _LIBCPP_HAS_NO_WIDE_CHARACTERS +template <> +inline constexpr bool __format::__enable_insertable> = true; +#endif + +#endif // _LIBCPP_STD_VER >= 20 + +#if _LIBCPP_STD_VER >= 23 +template +// Since is-vector-bool-reference is only used once it's inlined here. + requires same_as> +struct _LIBCPP_TEMPLATE_VIS _LIBCPP_AVAILABILITY_FORMAT formatter<_Tp, CharT> { +private: + formatter __underlying_; + +public: + template + _LIBCPP_HIDE_FROM_ABI constexpr typename _ParseContext::iterator parse(_ParseContext& __ctx) { + return __underlying_.parse(__ctx); + } + + template + _LIBCPP_HIDE_FROM_ABI typename _FormatContext::iterator format(const _Tp& __ref, _FormatContext& __ctx) const { + return __underlying_.format(__ref, __ctx); + } +}; +#endif // _LIBCPP_STD_VER >= 23 + +_LIBCPP_END_NAMESPACE_STD + +_LIBCPP_POP_MACROS + +#endif // _LIBCPP___VECTOR_BOOL_H diff --git a/libcxx/include/vector b/libcxx/include/__vector/vector.h copy from libcxx/include/vector copy to libcxx/include/__vector/vector.h --- a/libcxx/include/vector +++ b/libcxx/include/__vector/vector.h @@ -7,292 +7,25 @@ // //===----------------------------------------------------------------------===// -#ifndef _LIBCPP_VECTOR -#define _LIBCPP_VECTOR +#ifndef _LIBCPP___VECTOR_VECTOR_H +#define _LIBCPP___VECTOR_VECTOR_H -/* - vector synopsis - -namespace std -{ - -template > -class vector -{ -public: - typedef T value_type; - typedef Allocator allocator_type; - typedef typename allocator_type::reference reference; - typedef typename allocator_type::const_reference const_reference; - typedef implementation-defined iterator; - typedef implementation-defined const_iterator; - typedef typename allocator_type::size_type size_type; - typedef typename allocator_type::difference_type difference_type; - typedef typename allocator_type::pointer pointer; - typedef typename allocator_type::const_pointer const_pointer; - typedef std::reverse_iterator reverse_iterator; - typedef std::reverse_iterator const_reverse_iterator; - - vector() - noexcept(is_nothrow_default_constructible::value); - explicit vector(const allocator_type&); - explicit vector(size_type n); - explicit vector(size_type n, const allocator_type&); // C++14 - vector(size_type n, const value_type& value, const allocator_type& = allocator_type()); - template - vector(InputIterator first, InputIterator last, const allocator_type& = allocator_type()); - vector(const vector& x); - vector(vector&& x) - noexcept(is_nothrow_move_constructible::value); - vector(initializer_list il); - vector(initializer_list il, const allocator_type& a); - ~vector(); - vector& operator=(const vector& x); - vector& operator=(vector&& x) - noexcept( - allocator_type::propagate_on_container_move_assignment::value || - allocator_type::is_always_equal::value); // C++17 - vector& operator=(initializer_list il); - template - void assign(InputIterator first, InputIterator last); - void assign(size_type n, const value_type& u); - void assign(initializer_list il); - - allocator_type get_allocator() const noexcept; - - iterator begin() noexcept; - const_iterator begin() const noexcept; - iterator end() noexcept; - const_iterator end() const noexcept; - - reverse_iterator rbegin() noexcept; - const_reverse_iterator rbegin() const noexcept; - reverse_iterator rend() noexcept; - const_reverse_iterator rend() const noexcept; - - const_iterator cbegin() const noexcept; - const_iterator cend() const noexcept; - const_reverse_iterator crbegin() const noexcept; - const_reverse_iterator crend() const noexcept; - - size_type size() const noexcept; - size_type max_size() const noexcept; - size_type capacity() const noexcept; - bool empty() const noexcept; - void reserve(size_type n); - void shrink_to_fit() noexcept; - - reference operator[](size_type n); - const_reference operator[](size_type n) const; - reference at(size_type n); - const_reference at(size_type n) const; - - reference front(); - const_reference front() const; - reference back(); - const_reference back() const; - - value_type* data() noexcept; - const value_type* data() const noexcept; - - void push_back(const value_type& x); - void push_back(value_type&& x); - template - reference emplace_back(Args&&... args); // reference in C++17 - void pop_back(); - - template iterator emplace(const_iterator position, Args&&... args); - iterator insert(const_iterator position, const value_type& x); - iterator insert(const_iterator position, value_type&& x); - iterator insert(const_iterator position, size_type n, const value_type& x); - template - iterator insert(const_iterator position, InputIterator first, InputIterator last); - iterator insert(const_iterator position, initializer_list il); - - iterator erase(const_iterator position); - iterator erase(const_iterator first, const_iterator last); - - void clear() noexcept; - - void resize(size_type sz); - void resize(size_type sz, const value_type& c); - - void swap(vector&) - noexcept(allocator_traits::propagate_on_container_swap::value || - allocator_traits::is_always_equal::value); // C++17 - - bool __invariants() const; -}; - -template > -class vector -{ -public: - typedef bool value_type; - typedef Allocator allocator_type; - typedef implementation-defined iterator; - typedef implementation-defined const_iterator; - typedef typename allocator_type::size_type size_type; - typedef typename allocator_type::difference_type difference_type; - typedef iterator pointer; - typedef const_iterator const_pointer; - typedef std::reverse_iterator reverse_iterator; - typedef std::reverse_iterator const_reverse_iterator; - - class reference - { - public: - reference(const reference&) noexcept; - operator bool() const noexcept; - reference& operator=(bool x) noexcept; - reference& operator=(const reference& x) noexcept; - iterator operator&() const noexcept; - void flip() noexcept; - }; - - class const_reference - { - public: - const_reference(const reference&) noexcept; - operator bool() const noexcept; - const_iterator operator&() const noexcept; - }; - - vector() - noexcept(is_nothrow_default_constructible::value); - explicit vector(const allocator_type&); - explicit vector(size_type n, const allocator_type& a = allocator_type()); // C++14 - vector(size_type n, const value_type& value, const allocator_type& = allocator_type()); - template - vector(InputIterator first, InputIterator last, const allocator_type& = allocator_type()); - vector(const vector& x); - vector(vector&& x) - noexcept(is_nothrow_move_constructible::value); - vector(initializer_list il); - vector(initializer_list il, const allocator_type& a); - ~vector(); - vector& operator=(const vector& x); - vector& operator=(vector&& x) - noexcept( - allocator_type::propagate_on_container_move_assignment::value || - allocator_type::is_always_equal::value); // C++17 - vector& operator=(initializer_list il); - template - void assign(InputIterator first, InputIterator last); - void assign(size_type n, const value_type& u); - void assign(initializer_list il); - - allocator_type get_allocator() const noexcept; - - iterator begin() noexcept; - const_iterator begin() const noexcept; - iterator end() noexcept; - const_iterator end() const noexcept; - - reverse_iterator rbegin() noexcept; - const_reverse_iterator rbegin() const noexcept; - reverse_iterator rend() noexcept; - const_reverse_iterator rend() const noexcept; - - const_iterator cbegin() const noexcept; - const_iterator cend() const noexcept; - const_reverse_iterator crbegin() const noexcept; - const_reverse_iterator crend() const noexcept; - - size_type size() const noexcept; - size_type max_size() const noexcept; - size_type capacity() const noexcept; - bool empty() const noexcept; - void reserve(size_type n); - void shrink_to_fit() noexcept; - - reference operator[](size_type n); - const_reference operator[](size_type n) const; - reference at(size_type n); - const_reference at(size_type n) const; - - reference front(); - const_reference front() const; - reference back(); - const_reference back() const; - - void push_back(const value_type& x); - template reference emplace_back(Args&&... args); // C++14; reference in C++17 - void pop_back(); - - template iterator emplace(const_iterator position, Args&&... args); // C++14 - iterator insert(const_iterator position, const value_type& x); - iterator insert(const_iterator position, size_type n, const value_type& x); - template - iterator insert(const_iterator position, InputIterator first, InputIterator last); - iterator insert(const_iterator position, initializer_list il); - - iterator erase(const_iterator position); - iterator erase(const_iterator first, const_iterator last); - - void clear() noexcept; - - void resize(size_type sz); - void resize(size_type sz, value_type x); - - void swap(vector&) - noexcept(allocator_traits::propagate_on_container_swap::value || - allocator_traits::is_always_equal::value); // C++17 - void flip() noexcept; - - bool __invariants() const; -}; - -template ::value_type>> - vector(InputIterator, InputIterator, Allocator = Allocator()) - -> vector::value_type, Allocator>; // C++17 - -template struct hash>; - -template bool operator==(const vector& x, const vector& y); -template bool operator< (const vector& x, const vector& y); -template bool operator!=(const vector& x, const vector& y); -template bool operator> (const vector& x, const vector& y); -template bool operator>=(const vector& x, const vector& y); -template bool operator<=(const vector& x, const vector& y); - -template -void swap(vector& x, vector& y) - noexcept(noexcept(x.swap(y))); - -template -typename vector::size_type -erase(vector& c, const U& value); // C++20 -template -typename vector::size_type -erase_if(vector& c, Predicate pred); // C++20 - - -template - inline constexpr bool is-vector-bool-reference = see below; // exposition only, since C++23 - -template requires is-vector-bool-reference // Since C++23 - struct formatter; - -} // std - -*/ +#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER) +# pragma GCC system_header +#endif #include <__algorithm/copy.h> #include <__algorithm/equal.h> #include <__algorithm/fill_n.h> #include <__algorithm/lexicographical_compare.h> +#include <__algorithm/min.h> #include <__algorithm/remove.h> #include <__algorithm/remove_if.h> #include <__algorithm/rotate.h> #include <__algorithm/unwrap_iter.h> -#include <__assert> // all public C++ headers provide the assertion handler -#include <__bit_reference> #include <__concepts/same_as.h> #include <__config> #include <__debug> -#include <__format/enable_insertable.h> -#include <__format/formatter.h> #include <__functional/hash.h> #include <__functional/unary_function.h> #include <__iterator/advance.h> @@ -304,24 +37,17 @@ #include <__memory/swap_allocator.h> #include <__memory/temp_value.h> #include <__memory/uninitialized_algorithms.h> -#include <__memory_resource/polymorphic_allocator.h> #include <__split_buffer> #include <__type_traits/is_allocator.h> #include <__type_traits/is_constructible.h> -#include <__type_traits/is_nothrow_move_assignable.h> #include <__type_traits/noexcept_move_assign_container.h> #include <__type_traits/type_identity.h> #include <__utility/exception_guard.h> #include <__utility/forward.h> #include <__utility/move.h> #include <__utility/swap.h> -#include -#include -#include -#include // for forward declaration of vector #include #include -#include // standard-mandated includes @@ -336,14 +62,9 @@ #include #include -#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER) -# pragma GCC system_header -#endif - _LIBCPP_PUSH_MACROS #include <__undef_macros> - _LIBCPP_BEGIN_NAMESPACE_STD template */> @@ -2026,1344 +1747,9 @@ #endif } -// vector - -template class vector; - -template struct hash >; - -template -struct __has_storage_type > -{ - static const bool value = true; -}; - -template -class _LIBCPP_TEMPLATE_VIS vector -{ -public: - typedef vector __self; - typedef bool value_type; - typedef _Allocator allocator_type; - typedef allocator_traits __alloc_traits; - typedef typename __alloc_traits::size_type size_type; - typedef typename __alloc_traits::difference_type difference_type; - typedef size_type __storage_type; - typedef __bit_iterator pointer; - typedef __bit_iterator const_pointer; - typedef pointer iterator; - typedef const_pointer const_iterator; - typedef std::reverse_iterator reverse_iterator; - typedef std::reverse_iterator const_reverse_iterator; - -private: - typedef __rebind_alloc<__alloc_traits, __storage_type> __storage_allocator; - typedef allocator_traits<__storage_allocator> __storage_traits; - typedef typename __storage_traits::pointer __storage_pointer; - typedef typename __storage_traits::const_pointer __const_storage_pointer; - - __storage_pointer __begin_; - size_type __size_; - __compressed_pair __cap_alloc_; -public: - typedef __bit_reference reference; -#ifdef _LIBCPP_ABI_BITSET_VECTOR_BOOL_CONST_SUBSCRIPT_RETURN_BOOL - using const_reference = bool; -#else - typedef __bit_const_reference const_reference; -#endif -private: - _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 - size_type& __cap() _NOEXCEPT - {return __cap_alloc_.first();} - _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 - const size_type& __cap() const _NOEXCEPT - {return __cap_alloc_.first();} - _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 - __storage_allocator& __alloc() _NOEXCEPT - {return __cap_alloc_.second();} - _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 - const __storage_allocator& __alloc() const _NOEXCEPT - {return __cap_alloc_.second();} - - static const unsigned __bits_per_word = static_cast(sizeof(__storage_type) * CHAR_BIT); - - _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 - static size_type __internal_cap_to_external(size_type __n) _NOEXCEPT - {return __n * __bits_per_word;} - _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 - static size_type __external_cap_to_internal(size_type __n) _NOEXCEPT - {return (__n - 1) / __bits_per_word + 1;} - -public: - _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 - vector() _NOEXCEPT_(is_nothrow_default_constructible::value); - - _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 explicit vector(const allocator_type& __a) -#if _LIBCPP_STD_VER <= 14 - _NOEXCEPT_(is_nothrow_copy_constructible::value); -#else - _NOEXCEPT; -#endif - -private: - class __destroy_vector { - public: - _LIBCPP_CONSTEXPR __destroy_vector(vector& __vec) : __vec_(__vec) {} - - _LIBCPP_CONSTEXPR_SINCE_CXX20 _LIBCPP_HIDE_FROM_ABI void operator()() { - if (__vec_.__begin_ != nullptr) - __storage_traits::deallocate(__vec_.__alloc(), __vec_.__begin_, __vec_.__cap()); - std::__debug_db_invalidate_all(this); - } - - private: - vector& __vec_; - }; - -public: - _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 ~vector() { __destroy_vector(*this)(); } - - _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 explicit vector(size_type __n); -#if _LIBCPP_STD_VER >= 14 - _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 explicit vector(size_type __n, const allocator_type& __a); -#endif - _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 vector(size_type __n, const value_type& __v); - _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 vector(size_type __n, const value_type& __v, const allocator_type& __a); - template - _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 vector(_InputIterator __first, _InputIterator __last, - typename enable_if<__is_exactly_cpp17_input_iterator<_InputIterator>::value>::type* = 0); - template - _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 vector(_InputIterator __first, _InputIterator __last, const allocator_type& __a, - typename enable_if<__is_exactly_cpp17_input_iterator<_InputIterator>::value>::type* = 0); - template - _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 vector(_ForwardIterator __first, _ForwardIterator __last, - typename enable_if<__is_cpp17_forward_iterator<_ForwardIterator>::value>::type* = 0); - template - _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 vector(_ForwardIterator __first, _ForwardIterator __last, const allocator_type& __a, - typename enable_if<__is_cpp17_forward_iterator<_ForwardIterator>::value>::type* = 0); - - _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 vector(const vector& __v); - _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 vector(const vector& __v, const allocator_type& __a); - _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 vector& operator=(const vector& __v); - -#ifndef _LIBCPP_CXX03_LANG - _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 vector(initializer_list __il); - _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 vector(initializer_list __il, const allocator_type& __a); - - _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 - vector& operator=(initializer_list __il) - {assign(__il.begin(), __il.end()); return *this;} - -#endif // !_LIBCPP_CXX03_LANG - - _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 - vector(vector&& __v) -#if _LIBCPP_STD_VER >= 17 - noexcept; -#else - _NOEXCEPT_(is_nothrow_move_constructible::value); -#endif - _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 vector(vector&& __v, const __type_identity_t& __a); - _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 - vector& operator=(vector&& __v) - _NOEXCEPT_((__noexcept_move_assign_container<_Allocator, __alloc_traits>::value)); - - template - typename enable_if <__is_exactly_cpp17_input_iterator<_InputIterator>::value, - void - >::type - _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 assign(_InputIterator __first, _InputIterator __last); - template - typename enable_if - < - __is_cpp17_forward_iterator<_ForwardIterator>::value, - void - >::type - _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 assign(_ForwardIterator __first, _ForwardIterator __last); - - _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 void assign(size_type __n, const value_type& __x); - -#ifndef _LIBCPP_CXX03_LANG - _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 - void assign(initializer_list __il) - {assign(__il.begin(), __il.end());} -#endif - - _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 allocator_type get_allocator() const _NOEXCEPT - {return allocator_type(this->__alloc());} - - _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 size_type max_size() const _NOEXCEPT; - _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 - size_type capacity() const _NOEXCEPT - {return __internal_cap_to_external(__cap());} - _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 - size_type size() const _NOEXCEPT - {return __size_;} - _LIBCPP_NODISCARD_AFTER_CXX17 _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 - bool empty() const _NOEXCEPT - {return __size_ == 0;} - _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 void reserve(size_type __n); - _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 void shrink_to_fit() _NOEXCEPT; - - _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 - iterator begin() _NOEXCEPT - {return __make_iter(0);} - _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 - const_iterator begin() const _NOEXCEPT - {return __make_iter(0);} - _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 - iterator end() _NOEXCEPT - {return __make_iter(__size_);} - _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 - const_iterator end() const _NOEXCEPT - {return __make_iter(__size_);} - - _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 - reverse_iterator rbegin() _NOEXCEPT - {return reverse_iterator(end());} - _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 - const_reverse_iterator rbegin() const _NOEXCEPT - {return const_reverse_iterator(end());} - _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 - reverse_iterator rend() _NOEXCEPT - {return reverse_iterator(begin());} - _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 - const_reverse_iterator rend() const _NOEXCEPT - {return const_reverse_iterator(begin());} - - _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 - const_iterator cbegin() const _NOEXCEPT - {return __make_iter(0);} - _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 - const_iterator cend() const _NOEXCEPT - {return __make_iter(__size_);} - _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 - const_reverse_iterator crbegin() const _NOEXCEPT - {return rbegin();} - _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 - const_reverse_iterator crend() const _NOEXCEPT - {return rend();} - - _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 reference operator[](size_type __n) {return __make_ref(__n);} - _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 const_reference operator[](size_type __n) const {return __make_ref(__n);} - _LIBCPP_HIDE_FROM_ABI reference at(size_type __n); - _LIBCPP_HIDE_FROM_ABI const_reference at(size_type __n) const; - - _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 reference front() {return __make_ref(0);} - _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 const_reference front() const {return __make_ref(0);} - _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 reference back() {return __make_ref(__size_ - 1);} - _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 const_reference back() const {return __make_ref(__size_ - 1);} - - _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 void push_back(const value_type& __x); -#if _LIBCPP_STD_VER >= 14 - template -#if _LIBCPP_STD_VER >= 17 - _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 reference emplace_back(_Args&&... __args) -#else - _LIBCPP_HIDE_FROM_ABI void emplace_back(_Args&&... __args) -#endif - { - push_back ( value_type ( std::forward<_Args>(__args)... )); -#if _LIBCPP_STD_VER >= 17 - return this->back(); -#endif - } -#endif - - _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 void pop_back() {--__size_;} - -#if _LIBCPP_STD_VER >= 14 - template - _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 iterator emplace(const_iterator __position, _Args&&... __args) - { return insert ( __position, value_type ( std::forward<_Args>(__args)... )); } -#endif - - _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 iterator insert(const_iterator __position, const value_type& __x); - _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 iterator insert(const_iterator __position, size_type __n, const value_type& __x); - template - typename enable_if <__is_exactly_cpp17_input_iterator<_InputIterator>::value, - iterator - >::type - _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 insert(const_iterator __position, _InputIterator __first, _InputIterator __last); - template - typename enable_if - < - __is_cpp17_forward_iterator<_ForwardIterator>::value, - iterator - >::type - _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 insert(const_iterator __position, _ForwardIterator __first, _ForwardIterator __last); - -#ifndef _LIBCPP_CXX03_LANG - _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 - iterator insert(const_iterator __position, initializer_list __il) - {return insert(__position, __il.begin(), __il.end());} -#endif - - _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 iterator erase(const_iterator __position); - _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 iterator erase(const_iterator __first, const_iterator __last); - - _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 - void clear() _NOEXCEPT {__size_ = 0;} - - _LIBCPP_CONSTEXPR_SINCE_CXX20 void swap(vector&) -#if _LIBCPP_STD_VER >= 14 - _NOEXCEPT; -#else - _NOEXCEPT_(!__alloc_traits::propagate_on_container_swap::value || - __is_nothrow_swappable::value); -#endif - _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 static void swap(reference __x, reference __y) _NOEXCEPT { std::swap(__x, __y); } - - _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 void resize(size_type __sz, value_type __x = false); - _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 void flip() _NOEXCEPT; - - _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 bool __invariants() const; - -private: - _LIBCPP_NORETURN _LIBCPP_HIDE_FROM_ABI - void __throw_length_error() const { - std::__throw_length_error("vector"); - } - - _LIBCPP_NORETURN _LIBCPP_HIDE_FROM_ABI - void __throw_out_of_range() const { - std::__throw_out_of_range("vector"); - } - - // Allocate space for __n objects - // throws length_error if __n > max_size() - // throws (probably bad_alloc) if memory run out - // Precondition: __begin_ == __end_ == __cap() == 0 - // Precondition: __n > 0 - // Postcondition: capacity() >= __n - // Postcondition: size() == 0 - _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 void __vallocate(size_type __n) { - if (__n > max_size()) - __throw_length_error(); - auto __allocation = std::__allocate_at_least(__alloc(), __external_cap_to_internal(__n)); - __begin_ = __allocation.ptr; - __size_ = 0; - __cap() = __allocation.count; - if (__libcpp_is_constant_evaluated()) { - for (size_type __i = 0; __i != __cap(); ++__i) - std::__construct_at(std::__to_address(__begin_) + __i); - } - } - - _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 void __vdeallocate() _NOEXCEPT; - _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 - static size_type __align_it(size_type __new_size) _NOEXCEPT - {return (__new_size + (__bits_per_word-1)) & ~((size_type)__bits_per_word-1);} - _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 size_type __recommend(size_type __new_size) const; - _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 void __construct_at_end(size_type __n, bool __x); - template - typename enable_if - < - __is_cpp17_forward_iterator<_ForwardIterator>::value, - void - >::type - _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 __construct_at_end(_ForwardIterator __first, _ForwardIterator __last); - _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 void __append(size_type __n, const_reference __x); - _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 - reference __make_ref(size_type __pos) _NOEXCEPT - {return reference(__begin_ + __pos / __bits_per_word, __storage_type(1) << __pos % __bits_per_word);} - _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 - const_reference __make_ref(size_type __pos) const _NOEXCEPT { - return __bit_const_reference(__begin_ + __pos / __bits_per_word, - __storage_type(1) << __pos % __bits_per_word); - } - _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 - iterator __make_iter(size_type __pos) _NOEXCEPT - {return iterator(__begin_ + __pos / __bits_per_word, static_cast(__pos % __bits_per_word));} - _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 - const_iterator __make_iter(size_type __pos) const _NOEXCEPT - {return const_iterator(__begin_ + __pos / __bits_per_word, static_cast(__pos % __bits_per_word));} - _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 - iterator __const_iterator_cast(const_iterator __p) _NOEXCEPT - {return begin() + (__p - cbegin());} - - _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 - void __copy_assign_alloc(const vector& __v) - {__copy_assign_alloc(__v, integral_constant());} - _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 - void __copy_assign_alloc(const vector& __c, true_type) - { - if (__alloc() != __c.__alloc()) - __vdeallocate(); - __alloc() = __c.__alloc(); - } - - _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 - void __copy_assign_alloc(const vector&, false_type) - {} - - _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 void __move_assign(vector& __c, false_type); - _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 void __move_assign(vector& __c, true_type) - _NOEXCEPT_(is_nothrow_move_assignable::value); - _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 - void __move_assign_alloc(vector& __c) - _NOEXCEPT_( - !__storage_traits::propagate_on_container_move_assignment::value || - is_nothrow_move_assignable::value) - {__move_assign_alloc(__c, integral_constant());} - _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 - void __move_assign_alloc(vector& __c, true_type) - _NOEXCEPT_(is_nothrow_move_assignable::value) - { - __alloc() = std::move(__c.__alloc()); - } - - _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 - void __move_assign_alloc(vector&, false_type) - _NOEXCEPT - {} - - _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 size_t __hash_code() const _NOEXCEPT; - - friend class __bit_reference; - friend class __bit_const_reference; - friend class __bit_iterator; - friend class __bit_iterator; - friend struct __bit_array; - friend struct _LIBCPP_TEMPLATE_VIS hash; -}; - -template -_LIBCPP_CONSTEXPR_SINCE_CXX20 void -vector::__vdeallocate() _NOEXCEPT -{ - if (this->__begin_ != nullptr) - { - __storage_traits::deallocate(this->__alloc(), this->__begin_, __cap()); - std::__debug_db_invalidate_all(this); - this->__begin_ = nullptr; - this->__size_ = this->__cap() = 0; - } -} - -template -_LIBCPP_CONSTEXPR_SINCE_CXX20 -typename vector::size_type -vector::max_size() const _NOEXCEPT -{ - size_type __amax = __storage_traits::max_size(__alloc()); - size_type __nmax = numeric_limits::max() / 2; // end() >= begin(), always - if (__nmax / __bits_per_word <= __amax) - return __nmax; - return __internal_cap_to_external(__amax); -} - -// Precondition: __new_size > capacity() -template -inline _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 -typename vector::size_type -vector::__recommend(size_type __new_size) const -{ - const size_type __ms = max_size(); - if (__new_size > __ms) - this->__throw_length_error(); - const size_type __cap = capacity(); - if (__cap >= __ms / 2) - return __ms; - return std::max(2 * __cap, __align_it(__new_size)); -} - -// Default constructs __n objects starting at __end_ -// Precondition: __n > 0 -// Precondition: size() + __n <= capacity() -// Postcondition: size() == size() + __n -template -inline _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 -void -vector::__construct_at_end(size_type __n, bool __x) -{ - size_type __old_size = this->__size_; - this->__size_ += __n; - if (__old_size == 0 || ((__old_size - 1) / __bits_per_word) != ((this->__size_ - 1) / __bits_per_word)) - { - if (this->__size_ <= __bits_per_word) - this->__begin_[0] = __storage_type(0); - else - this->__begin_[(this->__size_ - 1) / __bits_per_word] = __storage_type(0); - } - std::fill_n(__make_iter(__old_size), __n, __x); -} - -template -template -_LIBCPP_CONSTEXPR_SINCE_CXX20 -typename enable_if -< - __is_cpp17_forward_iterator<_ForwardIterator>::value, - void ->::type -vector::__construct_at_end(_ForwardIterator __first, _ForwardIterator __last) -{ - size_type __old_size = this->__size_; - this->__size_ += std::distance(__first, __last); - if (__old_size == 0 || ((__old_size - 1) / __bits_per_word) != ((this->__size_ - 1) / __bits_per_word)) - { - if (this->__size_ <= __bits_per_word) - this->__begin_[0] = __storage_type(0); - else - this->__begin_[(this->__size_ - 1) / __bits_per_word] = __storage_type(0); - } - std::copy(__first, __last, __make_iter(__old_size)); -} - -template -inline _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 -vector::vector() - _NOEXCEPT_(is_nothrow_default_constructible::value) - : __begin_(nullptr), - __size_(0), - __cap_alloc_(0, __default_init_tag()) -{ -} - -template -inline _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 -vector::vector(const allocator_type& __a) -#if _LIBCPP_STD_VER <= 14 - _NOEXCEPT_(is_nothrow_copy_constructible::value) -#else - _NOEXCEPT -#endif - : __begin_(nullptr), - __size_(0), - __cap_alloc_(0, static_cast<__storage_allocator>(__a)) -{ -} - -template -_LIBCPP_CONSTEXPR_SINCE_CXX20 -vector::vector(size_type __n) - : __begin_(nullptr), - __size_(0), - __cap_alloc_(0, __default_init_tag()) -{ - if (__n > 0) - { - __vallocate(__n); - __construct_at_end(__n, false); - } -} -#if _LIBCPP_STD_VER >= 14 -template -_LIBCPP_CONSTEXPR_SINCE_CXX20 -vector::vector(size_type __n, const allocator_type& __a) - : __begin_(nullptr), - __size_(0), - __cap_alloc_(0, static_cast<__storage_allocator>(__a)) -{ - if (__n > 0) - { - __vallocate(__n); - __construct_at_end(__n, false); - } -} -#endif - -template -_LIBCPP_CONSTEXPR_SINCE_CXX20 -vector::vector(size_type __n, const value_type& __x) - : __begin_(nullptr), - __size_(0), - __cap_alloc_(0, __default_init_tag()) -{ - if (__n > 0) - { - __vallocate(__n); - __construct_at_end(__n, __x); - } -} - -template -_LIBCPP_CONSTEXPR_SINCE_CXX20 -vector::vector(size_type __n, const value_type& __x, const allocator_type& __a) - : __begin_(nullptr), - __size_(0), - __cap_alloc_(0, static_cast<__storage_allocator>(__a)) -{ - if (__n > 0) - { - __vallocate(__n); - __construct_at_end(__n, __x); - } -} - -template -template -_LIBCPP_CONSTEXPR_SINCE_CXX20 -vector::vector(_InputIterator __first, _InputIterator __last, - typename enable_if<__is_exactly_cpp17_input_iterator<_InputIterator>::value>::type*) - : __begin_(nullptr), - __size_(0), - __cap_alloc_(0, __default_init_tag()) -{ -#ifndef _LIBCPP_HAS_NO_EXCEPTIONS - try - { -#endif // _LIBCPP_HAS_NO_EXCEPTIONS - for (; __first != __last; ++__first) - push_back(*__first); -#ifndef _LIBCPP_HAS_NO_EXCEPTIONS - } - catch (...) - { - if (__begin_ != nullptr) - __storage_traits::deallocate(__alloc(), __begin_, __cap()); - std::__debug_db_invalidate_all(this); - throw; - } -#endif // _LIBCPP_HAS_NO_EXCEPTIONS -} - -template -template -_LIBCPP_CONSTEXPR_SINCE_CXX20 -vector::vector(_InputIterator __first, _InputIterator __last, const allocator_type& __a, - typename enable_if<__is_exactly_cpp17_input_iterator<_InputIterator>::value>::type*) - : __begin_(nullptr), - __size_(0), - __cap_alloc_(0, static_cast<__storage_allocator>(__a)) -{ -#ifndef _LIBCPP_HAS_NO_EXCEPTIONS - try - { -#endif // _LIBCPP_HAS_NO_EXCEPTIONS - for (; __first != __last; ++__first) - push_back(*__first); -#ifndef _LIBCPP_HAS_NO_EXCEPTIONS - } - catch (...) - { - if (__begin_ != nullptr) - __storage_traits::deallocate(__alloc(), __begin_, __cap()); - std::__debug_db_invalidate_all(this); - throw; - } -#endif // _LIBCPP_HAS_NO_EXCEPTIONS -} - -template -template -_LIBCPP_CONSTEXPR_SINCE_CXX20 -vector::vector(_ForwardIterator __first, _ForwardIterator __last, - typename enable_if<__is_cpp17_forward_iterator<_ForwardIterator>::value>::type*) - : __begin_(nullptr), - __size_(0), - __cap_alloc_(0, __default_init_tag()) -{ - auto __guard = std::__make_exception_guard(__destroy_vector(*this)); - size_type __n = static_cast(std::distance(__first, __last)); - if (__n > 0) - { - __vallocate(__n); - __construct_at_end(__first, __last); - } - __guard.__complete(); -} - -template -template -_LIBCPP_CONSTEXPR_SINCE_CXX20 -vector::vector(_ForwardIterator __first, _ForwardIterator __last, const allocator_type& __a, - typename enable_if<__is_cpp17_forward_iterator<_ForwardIterator>::value>::type*) - : __begin_(nullptr), - __size_(0), - __cap_alloc_(0, static_cast<__storage_allocator>(__a)) -{ - auto __guard = std::__make_exception_guard(__destroy_vector(*this)); - size_type __n = static_cast(std::distance(__first, __last)); - if (__n > 0) - { - __vallocate(__n); - __construct_at_end(__first, __last); - } - __guard.__complete(); -} - -#ifndef _LIBCPP_CXX03_LANG - -template -_LIBCPP_CONSTEXPR_SINCE_CXX20 -vector::vector(initializer_list __il) - : __begin_(nullptr), - __size_(0), - __cap_alloc_(0, __default_init_tag()) -{ - size_type __n = static_cast(__il.size()); - if (__n > 0) - { - __vallocate(__n); - __construct_at_end(__il.begin(), __il.end()); - } -} - -template -_LIBCPP_CONSTEXPR_SINCE_CXX20 -vector::vector(initializer_list __il, const allocator_type& __a) - : __begin_(nullptr), - __size_(0), - __cap_alloc_(0, static_cast<__storage_allocator>(__a)) -{ - size_type __n = static_cast(__il.size()); - if (__n > 0) - { - __vallocate(__n); - __construct_at_end(__il.begin(), __il.end()); - } -} - -#endif // _LIBCPP_CXX03_LANG - -template -_LIBCPP_CONSTEXPR_SINCE_CXX20 -vector::vector(const vector& __v) - : __begin_(nullptr), - __size_(0), - __cap_alloc_(0, __storage_traits::select_on_container_copy_construction(__v.__alloc())) -{ - if (__v.size() > 0) - { - __vallocate(__v.size()); - __construct_at_end(__v.begin(), __v.end()); - } -} - -template -_LIBCPP_CONSTEXPR_SINCE_CXX20 -vector::vector(const vector& __v, const allocator_type& __a) - : __begin_(nullptr), - __size_(0), - __cap_alloc_(0, __a) -{ - if (__v.size() > 0) - { - __vallocate(__v.size()); - __construct_at_end(__v.begin(), __v.end()); - } -} - -template -_LIBCPP_CONSTEXPR_SINCE_CXX20 -vector& -vector::operator=(const vector& __v) -{ - if (this != std::addressof(__v)) - { - __copy_assign_alloc(__v); - if (__v.__size_) - { - if (__v.__size_ > capacity()) - { - __vdeallocate(); - __vallocate(__v.__size_); - } - std::copy(__v.__begin_, __v.__begin_ + __external_cap_to_internal(__v.__size_), __begin_); - } - __size_ = __v.__size_; - } - return *this; -} - -template -inline _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 vector::vector(vector&& __v) -#if _LIBCPP_STD_VER >= 17 - _NOEXCEPT -#else - _NOEXCEPT_(is_nothrow_move_constructible::value) -#endif - : __begin_(__v.__begin_), - __size_(__v.__size_), - __cap_alloc_(std::move(__v.__cap_alloc_)) { - __v.__begin_ = nullptr; - __v.__size_ = 0; - __v.__cap() = 0; -} - -template -_LIBCPP_CONSTEXPR_SINCE_CXX20 -vector::vector(vector&& __v, const __type_identity_t& __a) - : __begin_(nullptr), - __size_(0), - __cap_alloc_(0, __a) -{ - if (__a == allocator_type(__v.__alloc())) - { - this->__begin_ = __v.__begin_; - this->__size_ = __v.__size_; - this->__cap() = __v.__cap(); - __v.__begin_ = nullptr; - __v.__cap() = __v.__size_ = 0; - } - else if (__v.size() > 0) - { - __vallocate(__v.size()); - __construct_at_end(__v.begin(), __v.end()); - } -} - -template -inline _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 -vector& -vector::operator=(vector&& __v) - _NOEXCEPT_((__noexcept_move_assign_container<_Allocator, __alloc_traits>::value)) -{ - __move_assign(__v, integral_constant()); - return *this; -} - -template -_LIBCPP_CONSTEXPR_SINCE_CXX20 void -vector::__move_assign(vector& __c, false_type) -{ - if (__alloc() != __c.__alloc()) - assign(__c.begin(), __c.end()); - else - __move_assign(__c, true_type()); -} - -template -_LIBCPP_CONSTEXPR_SINCE_CXX20 void -vector::__move_assign(vector& __c, true_type) - _NOEXCEPT_(is_nothrow_move_assignable::value) -{ - __vdeallocate(); - __move_assign_alloc(__c); - this->__begin_ = __c.__begin_; - this->__size_ = __c.__size_; - this->__cap() = __c.__cap(); - __c.__begin_ = nullptr; - __c.__cap() = __c.__size_ = 0; -} - -template -_LIBCPP_CONSTEXPR_SINCE_CXX20 void -vector::assign(size_type __n, const value_type& __x) -{ - __size_ = 0; - if (__n > 0) - { - size_type __c = capacity(); - if (__n <= __c) - __size_ = __n; - else - { - vector __v(get_allocator()); - __v.reserve(__recommend(__n)); - __v.__size_ = __n; - swap(__v); - } - std::fill_n(begin(), __n, __x); - } - std::__debug_db_invalidate_all(this); -} - -template -template -_LIBCPP_CONSTEXPR_SINCE_CXX20 typename enable_if <__is_exactly_cpp17_input_iterator<_InputIterator>::value, - void ->::type -vector::assign(_InputIterator __first, _InputIterator __last) -{ - clear(); - for (; __first != __last; ++__first) - push_back(*__first); -} - -template -template -_LIBCPP_CONSTEXPR_SINCE_CXX20 -typename enable_if -< - __is_cpp17_forward_iterator<_ForwardIterator>::value, - void ->::type -vector::assign(_ForwardIterator __first, _ForwardIterator __last) -{ - clear(); - difference_type __ns = std::distance(__first, __last); - _LIBCPP_ASSERT(__ns >= 0, "invalid range specified"); - const size_t __n = static_cast(__ns); - if (__n) - { - if (__n > capacity()) - { - __vdeallocate(); - __vallocate(__n); - } - __construct_at_end(__first, __last); - } -} - -template -_LIBCPP_CONSTEXPR_SINCE_CXX20 void -vector::reserve(size_type __n) -{ - if (__n > capacity()) - { - if (__n > max_size()) - this->__throw_length_error(); - vector __v(this->get_allocator()); - __v.__vallocate(__n); - __v.__construct_at_end(this->begin(), this->end()); - swap(__v); - std::__debug_db_invalidate_all(this); - } -} - -template -_LIBCPP_CONSTEXPR_SINCE_CXX20 void -vector::shrink_to_fit() _NOEXCEPT -{ - if (__external_cap_to_internal(size()) > __cap()) - { -#ifndef _LIBCPP_HAS_NO_EXCEPTIONS - try - { -#endif // _LIBCPP_HAS_NO_EXCEPTIONS - vector(*this, allocator_type(__alloc())).swap(*this); -#ifndef _LIBCPP_HAS_NO_EXCEPTIONS - } - catch (...) - { - } -#endif // _LIBCPP_HAS_NO_EXCEPTIONS - } -} - -template -typename vector::reference -vector::at(size_type __n) -{ - if (__n >= size()) - this->__throw_out_of_range(); - return (*this)[__n]; -} - -template -typename vector::const_reference -vector::at(size_type __n) const -{ - if (__n >= size()) - this->__throw_out_of_range(); - return (*this)[__n]; -} - -template -_LIBCPP_CONSTEXPR_SINCE_CXX20 void -vector::push_back(const value_type& __x) -{ - if (this->__size_ == this->capacity()) - reserve(__recommend(this->__size_ + 1)); - ++this->__size_; - back() = __x; -} - -template -_LIBCPP_CONSTEXPR_SINCE_CXX20 typename vector::iterator -vector::insert(const_iterator __position, const value_type& __x) -{ - iterator __r; - if (size() < capacity()) - { - const_iterator __old_end = end(); - ++__size_; - std::copy_backward(__position, __old_end, end()); - __r = __const_iterator_cast(__position); - } - else - { - vector __v(get_allocator()); - __v.reserve(__recommend(__size_ + 1)); - __v.__size_ = __size_ + 1; - __r = std::copy(cbegin(), __position, __v.begin()); - std::copy_backward(__position, cend(), __v.end()); - swap(__v); - } - *__r = __x; - return __r; -} - -template -_LIBCPP_CONSTEXPR_SINCE_CXX20 typename vector::iterator -vector::insert(const_iterator __position, size_type __n, const value_type& __x) -{ - iterator __r; - size_type __c = capacity(); - if (__n <= __c && size() <= __c - __n) - { - const_iterator __old_end = end(); - __size_ += __n; - std::copy_backward(__position, __old_end, end()); - __r = __const_iterator_cast(__position); - } - else - { - vector __v(get_allocator()); - __v.reserve(__recommend(__size_ + __n)); - __v.__size_ = __size_ + __n; - __r = std::copy(cbegin(), __position, __v.begin()); - std::copy_backward(__position, cend(), __v.end()); - swap(__v); - } - std::fill_n(__r, __n, __x); - return __r; -} - -template -template -_LIBCPP_CONSTEXPR_SINCE_CXX20 typename enable_if <__is_exactly_cpp17_input_iterator<_InputIterator>::value, - typename vector::iterator ->::type -vector::insert(const_iterator __position, _InputIterator __first, _InputIterator __last) -{ - difference_type __off = __position - begin(); - iterator __p = __const_iterator_cast(__position); - iterator __old_end = end(); - for (; size() != capacity() && __first != __last; ++__first) - { - ++this->__size_; - back() = *__first; - } - vector __v(get_allocator()); - if (__first != __last) - { -#ifndef _LIBCPP_HAS_NO_EXCEPTIONS - try - { -#endif // _LIBCPP_HAS_NO_EXCEPTIONS - __v.assign(__first, __last); - difference_type __old_size = static_cast(__old_end - begin()); - difference_type __old_p = __p - begin(); - reserve(__recommend(size() + __v.size())); - __p = begin() + __old_p; - __old_end = begin() + __old_size; -#ifndef _LIBCPP_HAS_NO_EXCEPTIONS - } - catch (...) - { - erase(__old_end, end()); - throw; - } -#endif // _LIBCPP_HAS_NO_EXCEPTIONS - } - __p = std::rotate(__p, __old_end, end()); - insert(__p, __v.begin(), __v.end()); - return begin() + __off; -} - -template -template -_LIBCPP_CONSTEXPR_SINCE_CXX20 -typename enable_if -< - __is_cpp17_forward_iterator<_ForwardIterator>::value, - typename vector::iterator ->::type -vector::insert(const_iterator __position, _ForwardIterator __first, _ForwardIterator __last) -{ - const difference_type __n_signed = std::distance(__first, __last); - _LIBCPP_ASSERT(__n_signed >= 0, "invalid range specified"); - const size_type __n = static_cast(__n_signed); - iterator __r; - size_type __c = capacity(); - if (__n <= __c && size() <= __c - __n) - { - const_iterator __old_end = end(); - __size_ += __n; - std::copy_backward(__position, __old_end, end()); - __r = __const_iterator_cast(__position); - } - else - { - vector __v(get_allocator()); - __v.reserve(__recommend(__size_ + __n)); - __v.__size_ = __size_ + __n; - __r = std::copy(cbegin(), __position, __v.begin()); - std::copy_backward(__position, cend(), __v.end()); - swap(__v); - } - std::copy(__first, __last, __r); - return __r; -} - -template -inline _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 -typename vector::iterator -vector::erase(const_iterator __position) -{ - iterator __r = __const_iterator_cast(__position); - std::copy(__position + 1, this->cend(), __r); - --__size_; - return __r; -} - -template -_LIBCPP_CONSTEXPR_SINCE_CXX20 -typename vector::iterator -vector::erase(const_iterator __first, const_iterator __last) -{ - iterator __r = __const_iterator_cast(__first); - difference_type __d = __last - __first; - std::copy(__last, this->cend(), __r); - __size_ -= __d; - return __r; -} - -template -_LIBCPP_CONSTEXPR_SINCE_CXX20 void -vector::swap(vector& __x) -#if _LIBCPP_STD_VER >= 14 - _NOEXCEPT -#else - _NOEXCEPT_(!__alloc_traits::propagate_on_container_swap::value || - __is_nothrow_swappable::value) -#endif -{ - std::swap(this->__begin_, __x.__begin_); - std::swap(this->__size_, __x.__size_); - std::swap(this->__cap(), __x.__cap()); - std::__swap_allocator(this->__alloc(), __x.__alloc(), - integral_constant()); -} - -template -_LIBCPP_CONSTEXPR_SINCE_CXX20 void -vector::resize(size_type __sz, value_type __x) -{ - size_type __cs = size(); - if (__cs < __sz) - { - iterator __r; - size_type __c = capacity(); - size_type __n = __sz - __cs; - if (__n <= __c && __cs <= __c - __n) - { - __r = end(); - __size_ += __n; - } - else - { - vector __v(get_allocator()); - __v.reserve(__recommend(__size_ + __n)); - __v.__size_ = __size_ + __n; - __r = std::copy(cbegin(), cend(), __v.begin()); - swap(__v); - } - std::fill_n(__r, __n, __x); - } - else - __size_ = __sz; -} - -template -_LIBCPP_CONSTEXPR_SINCE_CXX20 void -vector::flip() _NOEXCEPT -{ - // do middle whole words - size_type __n = __size_; - __storage_pointer __p = __begin_; - for (; __n >= __bits_per_word; ++__p, __n -= __bits_per_word) - *__p = ~*__p; - // do last partial word - if (__n > 0) - { - __storage_type __m = ~__storage_type(0) >> (__bits_per_word - __n); - __storage_type __b = *__p & __m; - *__p &= ~__m; - *__p |= ~__b & __m; - } -} - -template -_LIBCPP_CONSTEXPR_SINCE_CXX20 bool -vector::__invariants() const -{ - if (this->__begin_ == nullptr) - { - if (this->__size_ != 0 || this->__cap() != 0) - return false; - } - else - { - if (this->__cap() == 0) - return false; - if (this->__size_ > this->capacity()) - return false; - } - return true; -} - -template -_LIBCPP_CONSTEXPR_SINCE_CXX20 size_t -vector::__hash_code() const _NOEXCEPT -{ - size_t __h = 0; - // do middle whole words - size_type __n = __size_; - __storage_pointer __p = __begin_; - for (; __n >= __bits_per_word; ++__p, __n -= __bits_per_word) - __h ^= *__p; - // do last partial word - if (__n > 0) - { - const __storage_type __m = ~__storage_type(0) >> (__bits_per_word - __n); - __h ^= *__p & __m; - } - return __h; -} - -template -struct _LIBCPP_TEMPLATE_VIS hash > - : public __unary_function, size_t> -{ - _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 - size_t operator()(const vector& __vec) const _NOEXCEPT - {return __vec.__hash_code();} -}; - -template -_LIBCPP_CONSTEXPR_SINCE_CXX20 -inline _LIBCPP_HIDE_FROM_ABI -bool -operator==(const vector<_Tp, _Allocator>& __x, const vector<_Tp, _Allocator>& __y) -{ - const typename vector<_Tp, _Allocator>::size_type __sz = __x.size(); - return __sz == __y.size() && std::equal(__x.begin(), __x.end(), __y.begin()); -} - -template -_LIBCPP_CONSTEXPR_SINCE_CXX20 -inline _LIBCPP_HIDE_FROM_ABI -bool -operator!=(const vector<_Tp, _Allocator>& __x, const vector<_Tp, _Allocator>& __y) -{ - return !(__x == __y); -} - -template -_LIBCPP_CONSTEXPR_SINCE_CXX20 -inline _LIBCPP_HIDE_FROM_ABI -bool -operator< (const vector<_Tp, _Allocator>& __x, const vector<_Tp, _Allocator>& __y) -{ - return std::lexicographical_compare(__x.begin(), __x.end(), __y.begin(), __y.end()); -} - -template -_LIBCPP_CONSTEXPR_SINCE_CXX20 -inline _LIBCPP_HIDE_FROM_ABI -bool -operator> (const vector<_Tp, _Allocator>& __x, const vector<_Tp, _Allocator>& __y) -{ - return __y < __x; -} - -template -_LIBCPP_CONSTEXPR_SINCE_CXX20 -inline _LIBCPP_HIDE_FROM_ABI -bool -operator>=(const vector<_Tp, _Allocator>& __x, const vector<_Tp, _Allocator>& __y) -{ - return !(__x < __y); -} - -template -_LIBCPP_CONSTEXPR_SINCE_CXX20 -inline _LIBCPP_HIDE_FROM_ABI -bool -operator<=(const vector<_Tp, _Allocator>& __x, const vector<_Tp, _Allocator>& __y) -{ - return !(__y < __x); -} - -template -_LIBCPP_CONSTEXPR_SINCE_CXX20 -inline _LIBCPP_HIDE_FROM_ABI -void -swap(vector<_Tp, _Allocator>& __x, vector<_Tp, _Allocator>& __y) - _NOEXCEPT_(_NOEXCEPT_(__x.swap(__y))) -{ - __x.swap(__y); -} - -#if _LIBCPP_STD_VER >= 20 -template -_LIBCPP_CONSTEXPR_SINCE_CXX20 -inline _LIBCPP_HIDE_FROM_ABI typename vector<_Tp, _Allocator>::size_type -erase(vector<_Tp, _Allocator>& __c, const _Up& __v) { - auto __old_size = __c.size(); - __c.erase(std::remove(__c.begin(), __c.end(), __v), __c.end()); - return __old_size - __c.size(); -} - -template -_LIBCPP_CONSTEXPR_SINCE_CXX20 -inline _LIBCPP_HIDE_FROM_ABI typename vector<_Tp, _Allocator>::size_type -erase_if(vector<_Tp, _Allocator>& __c, _Predicate __pred) { - auto __old_size = __c.size(); - __c.erase(std::remove_if(__c.begin(), __c.end(), __pred), __c.end()); - return __old_size - __c.size(); -} - -template <> -inline constexpr bool __format::__enable_insertable> = true; -#ifndef _LIBCPP_HAS_NO_WIDE_CHARACTERS -template <> -inline constexpr bool __format::__enable_insertable> = true; -#endif - -#endif // _LIBCPP_STD_VER >= 20 - -#if _LIBCPP_STD_VER >= 23 -template -// Since is-vector-bool-reference is only used once it's inlined here. - requires same_as> -struct _LIBCPP_TEMPLATE_VIS _LIBCPP_AVAILABILITY_FORMAT formatter<_Tp, CharT> { -private: - formatter __underlying_; - -public: - template - _LIBCPP_HIDE_FROM_ABI constexpr typename _ParseContext::iterator parse(_ParseContext& __ctx) { - return __underlying_.parse(__ctx); - } - - template - _LIBCPP_HIDE_FROM_ABI typename _FormatContext::iterator format(const _Tp& __ref, _FormatContext& __ctx) const { - return __underlying_.format(__ref, __ctx); - } -}; -#endif // _LIBCPP_STD_VER >= 23 - -_LIBCPP_END_NAMESPACE_STD - -#if _LIBCPP_STD_VER >= 17 -_LIBCPP_BEGIN_NAMESPACE_STD -namespace pmr { -template -using vector = std::vector<_ValueT, polymorphic_allocator<_ValueT>>; -} // namespace pmr -_LIBCPP_END_NAMESPACE_STD -#endif +_LIBCPP_END_NAMESPACE_STD _LIBCPP_POP_MACROS -#if !defined(_LIBCPP_REMOVE_TRANSITIVE_INCLUDES) && _LIBCPP_STD_VER <= 20 -# include -# include -# include -# include -# include -# include -#endif - -#endif // _LIBCPP_VECTOR +#endif // _LIBCPP___VECTOR_VECTOR_H diff --git a/libcxx/include/libcxx.imp b/libcxx/include/libcxx.imp --- a/libcxx/include/libcxx.imp +++ b/libcxx/include/libcxx.imp @@ -43,4 +43,5 @@ { include: [ "@<__type_traits/.*>", "private", "", "public" ] }, { include: [ "@<__utility/.*>", "private", "", "public" ] }, { include: [ "@<__variant/.*>", "private", "", "public" ] }, + { include: [ "@<__vector/.*>", "private", "", "public" ] }, ] diff --git a/libcxx/include/module.modulemap.in b/libcxx/include/module.modulemap.in --- a/libcxx/include/module.modulemap.in +++ b/libcxx/include/module.modulemap.in @@ -1659,8 +1659,15 @@ } module vector { header "vector" + export __bit_reference export initializer_list + export iterator.__iterator.wrap_iter export * + + module __vector { + module bool { private header "__vector/bool.h" } + module vector { private header "__vector/vector.h" } + } } module version { header "version" diff --git a/libcxx/include/vector b/libcxx/include/vector --- a/libcxx/include/vector +++ b/libcxx/include/vector @@ -278,43 +278,11 @@ */ -#include <__algorithm/copy.h> -#include <__algorithm/equal.h> -#include <__algorithm/fill_n.h> -#include <__algorithm/lexicographical_compare.h> -#include <__algorithm/remove.h> -#include <__algorithm/remove_if.h> -#include <__algorithm/rotate.h> -#include <__algorithm/unwrap_iter.h> #include <__assert> // all public C++ headers provide the assertion handler -#include <__bit_reference> -#include <__concepts/same_as.h> #include <__config> -#include <__debug> -#include <__format/enable_insertable.h> -#include <__format/formatter.h> -#include <__functional/hash.h> -#include <__functional/unary_function.h> -#include <__iterator/advance.h> -#include <__iterator/iterator_traits.h> -#include <__iterator/reverse_iterator.h> -#include <__iterator/wrap_iter.h> -#include <__memory/allocate_at_least.h> -#include <__memory/pointer_traits.h> -#include <__memory/swap_allocator.h> -#include <__memory/temp_value.h> -#include <__memory/uninitialized_algorithms.h> #include <__memory_resource/polymorphic_allocator.h> -#include <__split_buffer> -#include <__type_traits/is_allocator.h> -#include <__type_traits/is_constructible.h> -#include <__type_traits/is_nothrow_move_assignable.h> -#include <__type_traits/noexcept_move_assign_container.h> -#include <__type_traits/type_identity.h> -#include <__utility/exception_guard.h> -#include <__utility/forward.h> -#include <__utility/move.h> -#include <__utility/swap.h> +#include <__vector/bool.h> +#include <__vector/vector.h> #include #include #include @@ -340,3022 +308,16 @@ # pragma GCC system_header #endif -_LIBCPP_PUSH_MACROS -#include <__undef_macros> - - -_LIBCPP_BEGIN_NAMESPACE_STD - -template */> -class _LIBCPP_TEMPLATE_VIS vector -{ -private: - typedef allocator<_Tp> __default_allocator_type; -public: - typedef vector __self; - typedef _Tp value_type; - typedef _Allocator allocator_type; - typedef allocator_traits __alloc_traits; - typedef value_type& reference; - typedef const value_type& const_reference; - typedef typename __alloc_traits::size_type size_type; - typedef typename __alloc_traits::difference_type difference_type; - typedef typename __alloc_traits::pointer pointer; - typedef typename __alloc_traits::const_pointer const_pointer; - // TODO: Implement iterator bounds checking without requiring the global database. - typedef __wrap_iter iterator; - typedef __wrap_iter const_iterator; - typedef std::reverse_iterator reverse_iterator; - typedef std::reverse_iterator const_reverse_iterator; - - static_assert((is_same::value), - "Allocator::value_type must be same type as value_type"); - - static_assert(is_same >::value, - "[allocator.requirements] states that rebinding an allocator to the same type should result in the " - "original allocator"); - - _LIBCPP_CONSTEXPR_SINCE_CXX20 _LIBCPP_HIDE_FROM_ABI - vector() _NOEXCEPT_(is_nothrow_default_constructible::value) - { - std::__debug_db_insert_c(this); - } - _LIBCPP_CONSTEXPR_SINCE_CXX20 _LIBCPP_HIDE_FROM_ABI explicit vector(const allocator_type& __a) -#if _LIBCPP_STD_VER <= 14 - _NOEXCEPT_(is_nothrow_copy_constructible::value) -#else - _NOEXCEPT -#endif - : __end_cap_(nullptr, __a) - { - std::__debug_db_insert_c(this); - } - _LIBCPP_CONSTEXPR_SINCE_CXX20 _LIBCPP_HIDE_FROM_ABI explicit vector(size_type __n); -#if _LIBCPP_STD_VER >= 14 - _LIBCPP_CONSTEXPR_SINCE_CXX20 _LIBCPP_HIDE_FROM_ABI explicit vector(size_type __n, const allocator_type& __a); -#endif - _LIBCPP_CONSTEXPR_SINCE_CXX20 _LIBCPP_HIDE_FROM_ABI vector(size_type __n, const value_type& __x); - - template ::value> > - _LIBCPP_CONSTEXPR_SINCE_CXX20 _LIBCPP_HIDE_FROM_ABI - vector(size_type __n, const value_type& __x, const allocator_type& __a) - : __end_cap_(nullptr, __a) - { - std::__debug_db_insert_c(this); - if (__n > 0) - { - __vallocate(__n); - __construct_at_end(__n, __x); - } - } - - template ::value && - is_constructible::reference>::value, - int> = 0> - _LIBCPP_CONSTEXPR_SINCE_CXX20 _LIBCPP_HIDE_FROM_ABI vector(_InputIterator __first, _InputIterator __last); - template ::value && - is_constructible::reference>::value, - int> = 0> - _LIBCPP_CONSTEXPR_SINCE_CXX20 _LIBCPP_HIDE_FROM_ABI - vector(_InputIterator __first, _InputIterator __last, const allocator_type& __a); - - template < - class _ForwardIterator, - __enable_if_t<__is_cpp17_forward_iterator<_ForwardIterator>::value && - is_constructible::reference>::value, - int> = 0> - _LIBCPP_CONSTEXPR_SINCE_CXX20 _LIBCPP_HIDE_FROM_ABI vector(_ForwardIterator __first, _ForwardIterator __last); - - template ::value && - is_constructible::reference>::value, - int> = 0> - _LIBCPP_CONSTEXPR_SINCE_CXX20 _LIBCPP_HIDE_FROM_ABI - vector(_ForwardIterator __first, _ForwardIterator __last, const allocator_type& __a); - -private: - class __destroy_vector { - public: - _LIBCPP_CONSTEXPR __destroy_vector(vector& __vec) : __vec_(__vec) {} - - _LIBCPP_CONSTEXPR_SINCE_CXX20 _LIBCPP_HIDE_FROM_ABI void operator()() { - __vec_.__annotate_delete(); - std::__debug_db_erase_c(std::addressof(__vec_)); - - if (__vec_.__begin_ != nullptr) { - __vec_.__clear(); - __alloc_traits::deallocate(__vec_.__alloc(), __vec_.__begin_, __vec_.capacity()); - } - } - - private: - vector& __vec_; - }; - -public: - _LIBCPP_CONSTEXPR_SINCE_CXX20 _LIBCPP_HIDE_FROM_ABI ~vector() { __destroy_vector(*this)(); } - - _LIBCPP_CONSTEXPR_SINCE_CXX20 _LIBCPP_HIDE_FROM_ABI vector(const vector& __x); - _LIBCPP_CONSTEXPR_SINCE_CXX20 _LIBCPP_HIDE_FROM_ABI vector(const vector& __x, const __type_identity_t& __a); - _LIBCPP_CONSTEXPR_SINCE_CXX20 _LIBCPP_HIDE_FROM_ABI - vector& operator=(const vector& __x); - -#ifndef _LIBCPP_CXX03_LANG - _LIBCPP_CONSTEXPR_SINCE_CXX20 _LIBCPP_HIDE_FROM_ABI - vector(initializer_list __il); - - _LIBCPP_CONSTEXPR_SINCE_CXX20 _LIBCPP_HIDE_FROM_ABI - vector(initializer_list __il, const allocator_type& __a); - - _LIBCPP_CONSTEXPR_SINCE_CXX20 _LIBCPP_HIDE_FROM_ABI - vector& operator=(initializer_list __il) - {assign(__il.begin(), __il.end()); return *this;} -#endif // !_LIBCPP_CXX03_LANG - - _LIBCPP_CONSTEXPR_SINCE_CXX20 _LIBCPP_HIDE_FROM_ABI - vector(vector&& __x) -#if _LIBCPP_STD_VER >= 17 - noexcept; -#else - _NOEXCEPT_(is_nothrow_move_constructible::value); -#endif - - _LIBCPP_CONSTEXPR_SINCE_CXX20 _LIBCPP_HIDE_FROM_ABI - vector(vector&& __x, const __type_identity_t& __a); - _LIBCPP_CONSTEXPR_SINCE_CXX20 _LIBCPP_HIDE_FROM_ABI - vector& operator=(vector&& __x) - _NOEXCEPT_((__noexcept_move_assign_container<_Allocator, __alloc_traits>::value)); - - template ::value && - is_constructible::reference>::value, - int> = 0> - _LIBCPP_CONSTEXPR_SINCE_CXX20 _LIBCPP_HIDE_FROM_ABI void assign(_InputIterator __first, _InputIterator __last); - template < - class _ForwardIterator, - __enable_if_t<__is_cpp17_forward_iterator<_ForwardIterator>::value && - is_constructible::reference>::value, - int> = 0> - _LIBCPP_CONSTEXPR_SINCE_CXX20 _LIBCPP_HIDE_FROM_ABI void assign(_ForwardIterator __first, _ForwardIterator __last); - - _LIBCPP_CONSTEXPR_SINCE_CXX20 _LIBCPP_HIDE_FROM_ABI void assign(size_type __n, const_reference __u); - -#ifndef _LIBCPP_CXX03_LANG - _LIBCPP_CONSTEXPR_SINCE_CXX20 _LIBCPP_HIDE_FROM_ABI - void assign(initializer_list __il) - {assign(__il.begin(), __il.end());} -#endif - - _LIBCPP_CONSTEXPR_SINCE_CXX20 _LIBCPP_HIDE_FROM_ABI - allocator_type get_allocator() const _NOEXCEPT - {return this->__alloc();} - - _LIBCPP_CONSTEXPR_SINCE_CXX20 _LIBCPP_HIDE_FROM_ABI iterator begin() _NOEXCEPT; - _LIBCPP_CONSTEXPR_SINCE_CXX20 _LIBCPP_HIDE_FROM_ABI const_iterator begin() const _NOEXCEPT; - _LIBCPP_CONSTEXPR_SINCE_CXX20 _LIBCPP_HIDE_FROM_ABI iterator end() _NOEXCEPT; - _LIBCPP_CONSTEXPR_SINCE_CXX20 _LIBCPP_HIDE_FROM_ABI const_iterator end() const _NOEXCEPT; - - _LIBCPP_CONSTEXPR_SINCE_CXX20 _LIBCPP_HIDE_FROM_ABI - reverse_iterator rbegin() _NOEXCEPT - {return reverse_iterator(end());} - _LIBCPP_CONSTEXPR_SINCE_CXX20 _LIBCPP_HIDE_FROM_ABI - const_reverse_iterator rbegin() const _NOEXCEPT - {return const_reverse_iterator(end());} - _LIBCPP_CONSTEXPR_SINCE_CXX20 _LIBCPP_HIDE_FROM_ABI - reverse_iterator rend() _NOEXCEPT - {return reverse_iterator(begin());} - _LIBCPP_CONSTEXPR_SINCE_CXX20 _LIBCPP_HIDE_FROM_ABI - const_reverse_iterator rend() const _NOEXCEPT - {return const_reverse_iterator(begin());} - - _LIBCPP_CONSTEXPR_SINCE_CXX20 _LIBCPP_HIDE_FROM_ABI - const_iterator cbegin() const _NOEXCEPT - {return begin();} - _LIBCPP_CONSTEXPR_SINCE_CXX20 _LIBCPP_HIDE_FROM_ABI - const_iterator cend() const _NOEXCEPT - {return end();} - _LIBCPP_CONSTEXPR_SINCE_CXX20 _LIBCPP_HIDE_FROM_ABI - const_reverse_iterator crbegin() const _NOEXCEPT - {return rbegin();} - _LIBCPP_CONSTEXPR_SINCE_CXX20 _LIBCPP_HIDE_FROM_ABI - const_reverse_iterator crend() const _NOEXCEPT - {return rend();} - - _LIBCPP_CONSTEXPR_SINCE_CXX20 _LIBCPP_HIDE_FROM_ABI - size_type size() const _NOEXCEPT - {return static_cast(this->__end_ - this->__begin_);} - _LIBCPP_CONSTEXPR_SINCE_CXX20 _LIBCPP_HIDE_FROM_ABI - size_type capacity() const _NOEXCEPT - {return static_cast(__end_cap() - this->__begin_);} - _LIBCPP_NODISCARD_AFTER_CXX17 _LIBCPP_CONSTEXPR_SINCE_CXX20 _LIBCPP_HIDE_FROM_ABI - bool empty() const _NOEXCEPT - {return this->__begin_ == this->__end_;} - _LIBCPP_CONSTEXPR_SINCE_CXX20 _LIBCPP_HIDE_FROM_ABI size_type max_size() const _NOEXCEPT; - _LIBCPP_CONSTEXPR_SINCE_CXX20 _LIBCPP_HIDE_FROM_ABI void reserve(size_type __n); - _LIBCPP_CONSTEXPR_SINCE_CXX20 _LIBCPP_HIDE_FROM_ABI void shrink_to_fit() _NOEXCEPT; - - _LIBCPP_CONSTEXPR_SINCE_CXX20 _LIBCPP_HIDE_FROM_ABI reference operator[](size_type __n) _NOEXCEPT; - _LIBCPP_CONSTEXPR_SINCE_CXX20 _LIBCPP_HIDE_FROM_ABI const_reference operator[](size_type __n) const _NOEXCEPT; - _LIBCPP_CONSTEXPR_SINCE_CXX20 _LIBCPP_HIDE_FROM_ABI reference at(size_type __n); - _LIBCPP_CONSTEXPR_SINCE_CXX20 _LIBCPP_HIDE_FROM_ABI const_reference at(size_type __n) const; - - _LIBCPP_CONSTEXPR_SINCE_CXX20 _LIBCPP_HIDE_FROM_ABI reference front() _NOEXCEPT - { - _LIBCPP_ASSERT(!empty(), "front() called on an empty vector"); - return *this->__begin_; - } - _LIBCPP_CONSTEXPR_SINCE_CXX20 _LIBCPP_HIDE_FROM_ABI const_reference front() const _NOEXCEPT - { - _LIBCPP_ASSERT(!empty(), "front() called on an empty vector"); - return *this->__begin_; - } - _LIBCPP_CONSTEXPR_SINCE_CXX20 _LIBCPP_HIDE_FROM_ABI reference back() _NOEXCEPT - { - _LIBCPP_ASSERT(!empty(), "back() called on an empty vector"); - return *(this->__end_ - 1); - } - _LIBCPP_CONSTEXPR_SINCE_CXX20 _LIBCPP_HIDE_FROM_ABI const_reference back() const _NOEXCEPT - { - _LIBCPP_ASSERT(!empty(), "back() called on an empty vector"); - return *(this->__end_ - 1); - } - - _LIBCPP_CONSTEXPR_SINCE_CXX20 _LIBCPP_HIDE_FROM_ABI - value_type* data() _NOEXCEPT - {return std::__to_address(this->__begin_);} - - _LIBCPP_CONSTEXPR_SINCE_CXX20 _LIBCPP_HIDE_FROM_ABI - const value_type* data() const _NOEXCEPT - {return std::__to_address(this->__begin_);} - - _LIBCPP_CONSTEXPR_SINCE_CXX20 _LIBCPP_HIDE_FROM_ABI void push_back(const_reference __x); - - _LIBCPP_CONSTEXPR_SINCE_CXX20 _LIBCPP_HIDE_FROM_ABI void push_back(value_type&& __x); - - template - _LIBCPP_CONSTEXPR_SINCE_CXX20 _LIBCPP_HIDE_FROM_ABI -#if _LIBCPP_STD_VER >= 17 - reference emplace_back(_Args&&... __args); -#else - void emplace_back(_Args&&... __args); -#endif - - _LIBCPP_CONSTEXPR_SINCE_CXX20 _LIBCPP_HIDE_FROM_ABI - void pop_back(); - - _LIBCPP_CONSTEXPR_SINCE_CXX20 _LIBCPP_HIDE_FROM_ABI iterator insert(const_iterator __position, const_reference __x); - - _LIBCPP_CONSTEXPR_SINCE_CXX20 _LIBCPP_HIDE_FROM_ABI iterator insert(const_iterator __position, value_type&& __x); - template - _LIBCPP_CONSTEXPR_SINCE_CXX20 _LIBCPP_HIDE_FROM_ABI iterator emplace(const_iterator __position, _Args&&... __args); - - _LIBCPP_CONSTEXPR_SINCE_CXX20 _LIBCPP_HIDE_FROM_ABI - iterator insert(const_iterator __position, size_type __n, const_reference __x); - - template ::value && - is_constructible< value_type, typename iterator_traits<_InputIterator>::reference>::value, - int> = 0> - _LIBCPP_CONSTEXPR_SINCE_CXX20 _LIBCPP_HIDE_FROM_ABI iterator - insert(const_iterator __position, _InputIterator __first, _InputIterator __last); - - template < - class _ForwardIterator, - __enable_if_t<__is_cpp17_forward_iterator<_ForwardIterator>::value && - is_constructible< value_type, typename iterator_traits<_ForwardIterator>::reference>::value, - int> = 0> - _LIBCPP_CONSTEXPR_SINCE_CXX20 _LIBCPP_HIDE_FROM_ABI iterator - insert(const_iterator __position, _ForwardIterator __first, _ForwardIterator __last); - -#ifndef _LIBCPP_CXX03_LANG - _LIBCPP_CONSTEXPR_SINCE_CXX20 _LIBCPP_HIDE_FROM_ABI - iterator insert(const_iterator __position, initializer_list __il) - {return insert(__position, __il.begin(), __il.end());} -#endif - - _LIBCPP_CONSTEXPR_SINCE_CXX20 _LIBCPP_HIDE_FROM_ABI iterator erase(const_iterator __position); - _LIBCPP_CONSTEXPR_SINCE_CXX20 _LIBCPP_HIDE_FROM_ABI iterator erase(const_iterator __first, const_iterator __last); - - _LIBCPP_CONSTEXPR_SINCE_CXX20 _LIBCPP_HIDE_FROM_ABI - void clear() _NOEXCEPT - { - size_type __old_size = size(); - __clear(); - __annotate_shrink(__old_size); - std::__debug_db_invalidate_all(this); - } - - _LIBCPP_CONSTEXPR_SINCE_CXX20 _LIBCPP_HIDE_FROM_ABI void resize(size_type __sz); - _LIBCPP_CONSTEXPR_SINCE_CXX20 _LIBCPP_HIDE_FROM_ABI void resize(size_type __sz, const_reference __x); - - _LIBCPP_CONSTEXPR_SINCE_CXX20 _LIBCPP_HIDE_FROM_ABI void swap(vector&) -#if _LIBCPP_STD_VER >= 14 - _NOEXCEPT; -#else - _NOEXCEPT_(!__alloc_traits::propagate_on_container_swap::value || - __is_nothrow_swappable::value); -#endif - - _LIBCPP_CONSTEXPR_SINCE_CXX20 _LIBCPP_HIDE_FROM_ABI bool __invariants() const; - -#ifdef _LIBCPP_ENABLE_DEBUG_MODE - - bool __dereferenceable(const const_iterator* __i) const; - bool __decrementable(const const_iterator* __i) const; - bool __addable(const const_iterator* __i, ptrdiff_t __n) const; - bool __subscriptable(const const_iterator* __i, ptrdiff_t __n) const; - -#endif // _LIBCPP_ENABLE_DEBUG_MODE - -private: - pointer __begin_ = nullptr; - pointer __end_ = nullptr; - __compressed_pair __end_cap_ = - __compressed_pair(nullptr, __default_init_tag()); - - _LIBCPP_HIDE_FROM_ABI void __invalidate_iterators_past(pointer __new_last); - - // Allocate space for __n objects - // throws length_error if __n > max_size() - // throws (probably bad_alloc) if memory run out - // Precondition: __begin_ == __end_ == __end_cap() == 0 - // Precondition: __n > 0 - // Postcondition: capacity() >= __n - // Postcondition: size() == 0 - _LIBCPP_CONSTEXPR_SINCE_CXX20 _LIBCPP_HIDE_FROM_ABI void __vallocate(size_type __n) { - if (__n > max_size()) - __throw_length_error(); - auto __allocation = std::__allocate_at_least(__alloc(), __n); - __begin_ = __allocation.ptr; - __end_ = __allocation.ptr; - __end_cap() = __begin_ + __allocation.count; - __annotate_new(0); - } - - _LIBCPP_CONSTEXPR_SINCE_CXX20 _LIBCPP_HIDE_FROM_ABI void __vdeallocate() _NOEXCEPT; - _LIBCPP_CONSTEXPR_SINCE_CXX20 _LIBCPP_HIDE_FROM_ABI size_type __recommend(size_type __new_size) const; - _LIBCPP_CONSTEXPR_SINCE_CXX20 _LIBCPP_HIDE_FROM_ABI void __construct_at_end(size_type __n); - _LIBCPP_CONSTEXPR_SINCE_CXX20 _LIBCPP_HIDE_FROM_ABI - void __construct_at_end(size_type __n, const_reference __x); - - template ::value, int> = 0> - _LIBCPP_CONSTEXPR_SINCE_CXX20 _LIBCPP_HIDE_FROM_ABI void - __construct_at_end(_ForwardIterator __first, _ForwardIterator __last, size_type __n); - - _LIBCPP_CONSTEXPR_SINCE_CXX20 _LIBCPP_HIDE_FROM_ABI void __append(size_type __n); - _LIBCPP_CONSTEXPR_SINCE_CXX20 _LIBCPP_HIDE_FROM_ABI void __append(size_type __n, const_reference __x); - _LIBCPP_CONSTEXPR_SINCE_CXX20 _LIBCPP_HIDE_FROM_ABI - iterator __make_iter(pointer __p) _NOEXCEPT { return iterator(this, __p); } - _LIBCPP_CONSTEXPR_SINCE_CXX20 _LIBCPP_HIDE_FROM_ABI - const_iterator __make_iter(const_pointer __p) const _NOEXCEPT { return const_iterator(this, __p); } - _LIBCPP_CONSTEXPR_SINCE_CXX20 _LIBCPP_HIDE_FROM_ABI void __swap_out_circular_buffer(__split_buffer& __v); - _LIBCPP_CONSTEXPR_SINCE_CXX20 _LIBCPP_HIDE_FROM_ABI pointer __swap_out_circular_buffer(__split_buffer& __v, pointer __p); - _LIBCPP_CONSTEXPR_SINCE_CXX20 _LIBCPP_HIDE_FROM_ABI void __move_range(pointer __from_s, pointer __from_e, pointer __to); - _LIBCPP_CONSTEXPR_SINCE_CXX20 _LIBCPP_HIDE_FROM_ABI void __move_assign(vector& __c, true_type) - _NOEXCEPT_(is_nothrow_move_assignable::value); - _LIBCPP_CONSTEXPR_SINCE_CXX20 _LIBCPP_HIDE_FROM_ABI void __move_assign(vector& __c, false_type) - _NOEXCEPT_(__alloc_traits::is_always_equal::value); - _LIBCPP_CONSTEXPR_SINCE_CXX20 _LIBCPP_HIDE_FROM_ABI - void __destruct_at_end(pointer __new_last) _NOEXCEPT - { - if (!__libcpp_is_constant_evaluated()) - __invalidate_iterators_past(__new_last); - size_type __old_size = size(); - __base_destruct_at_end(__new_last); - __annotate_shrink(__old_size); - } - - template - _LIBCPP_CONSTEXPR_SINCE_CXX20 _LIBCPP_HIDE_FROM_ABI - inline void __push_back_slow_path(_Up&& __x); - - template - _LIBCPP_CONSTEXPR_SINCE_CXX20 _LIBCPP_HIDE_FROM_ABI - inline void __emplace_back_slow_path(_Args&&... __args); - - // The following functions are no-ops outside of AddressSanitizer mode. - // We call annotatations only for the default Allocator because other allocators - // may not meet the AddressSanitizer alignment constraints. - // See the documentation for __sanitizer_annotate_contiguous_container for more details. -#ifndef _LIBCPP_HAS_NO_ASAN - _LIBCPP_CONSTEXPR_SINCE_CXX20 - void __annotate_contiguous_container(const void *__beg, const void *__end, - const void *__old_mid, - const void *__new_mid) const - { - - if (!__libcpp_is_constant_evaluated() && __beg && is_same::value) - __sanitizer_annotate_contiguous_container(__beg, __end, __old_mid, __new_mid); - } -#else - _LIBCPP_CONSTEXPR_SINCE_CXX20 _LIBCPP_HIDE_FROM_ABI - void __annotate_contiguous_container(const void*, const void*, const void*, - const void*) const _NOEXCEPT {} -#endif - _LIBCPP_CONSTEXPR_SINCE_CXX20 _LIBCPP_HIDE_FROM_ABI - void __annotate_new(size_type __current_size) const _NOEXCEPT { - __annotate_contiguous_container(data(), data() + capacity(), - data() + capacity(), data() + __current_size); - } - - _LIBCPP_CONSTEXPR_SINCE_CXX20 _LIBCPP_HIDE_FROM_ABI - void __annotate_delete() const _NOEXCEPT { - __annotate_contiguous_container(data(), data() + capacity(), - data() + size(), data() + capacity()); - } - - _LIBCPP_CONSTEXPR_SINCE_CXX20 _LIBCPP_HIDE_FROM_ABI - void __annotate_increase(size_type __n) const _NOEXCEPT - { - __annotate_contiguous_container(data(), data() + capacity(), - data() + size(), data() + size() + __n); - } - - _LIBCPP_CONSTEXPR_SINCE_CXX20 _LIBCPP_HIDE_FROM_ABI - void __annotate_shrink(size_type __old_size) const _NOEXCEPT - { - __annotate_contiguous_container(data(), data() + capacity(), - data() + __old_size, data() + size()); - } - - struct _ConstructTransaction { - _LIBCPP_CONSTEXPR_SINCE_CXX20 _LIBCPP_HIDE_FROM_ABI - explicit _ConstructTransaction(vector &__v, size_type __n) - : __v_(__v), __pos_(__v.__end_), __new_end_(__v.__end_ + __n) { -#ifndef _LIBCPP_HAS_NO_ASAN - __v_.__annotate_increase(__n); -#endif - } - _LIBCPP_CONSTEXPR_SINCE_CXX20 _LIBCPP_HIDE_FROM_ABI ~_ConstructTransaction() { - __v_.__end_ = __pos_; -#ifndef _LIBCPP_HAS_NO_ASAN - if (__pos_ != __new_end_) { - __v_.__annotate_shrink(__new_end_ - __v_.__begin_); - } -#endif - } - - vector &__v_; - pointer __pos_; - const_pointer const __new_end_; - - private: - _ConstructTransaction(_ConstructTransaction const&) = delete; - _ConstructTransaction& operator=(_ConstructTransaction const&) = delete; - }; - - template - _LIBCPP_CONSTEXPR_SINCE_CXX20 _LIBCPP_HIDE_FROM_ABI - void __construct_one_at_end(_Args&& ...__args) { - _ConstructTransaction __tx(*this, 1); - __alloc_traits::construct(this->__alloc(), std::__to_address(__tx.__pos_), - std::forward<_Args>(__args)...); - ++__tx.__pos_; - } - - _LIBCPP_CONSTEXPR_SINCE_CXX20 _LIBCPP_HIDE_FROM_ABI - allocator_type& __alloc() _NOEXCEPT - {return this->__end_cap_.second();} - _LIBCPP_CONSTEXPR_SINCE_CXX20 _LIBCPP_HIDE_FROM_ABI - const allocator_type& __alloc() const _NOEXCEPT - {return this->__end_cap_.second();} - _LIBCPP_CONSTEXPR_SINCE_CXX20 _LIBCPP_HIDE_FROM_ABI - pointer& __end_cap() _NOEXCEPT - {return this->__end_cap_.first();} - _LIBCPP_CONSTEXPR_SINCE_CXX20 _LIBCPP_HIDE_FROM_ABI - const pointer& __end_cap() const _NOEXCEPT - {return this->__end_cap_.first();} - - _LIBCPP_CONSTEXPR_SINCE_CXX20 _LIBCPP_HIDE_FROM_ABI - void __clear() _NOEXCEPT {__base_destruct_at_end(this->__begin_);} - - _LIBCPP_CONSTEXPR_SINCE_CXX20 _LIBCPP_HIDE_FROM_ABI - void __base_destruct_at_end(pointer __new_last) _NOEXCEPT { - pointer __soon_to_be_end = this->__end_; - while (__new_last != __soon_to_be_end) - __alloc_traits::destroy(__alloc(), std::__to_address(--__soon_to_be_end)); - this->__end_ = __new_last; - } - - _LIBCPP_CONSTEXPR_SINCE_CXX20 _LIBCPP_HIDE_FROM_ABI - void __copy_assign_alloc(const vector& __c) - {__copy_assign_alloc(__c, integral_constant());} - - _LIBCPP_CONSTEXPR_SINCE_CXX20 _LIBCPP_HIDE_FROM_ABI - void __move_assign_alloc(vector& __c) - _NOEXCEPT_( - !__alloc_traits::propagate_on_container_move_assignment::value || - is_nothrow_move_assignable::value) - {__move_assign_alloc(__c, integral_constant());} - - _LIBCPP_NORETURN _LIBCPP_HIDE_FROM_ABI - void __throw_length_error() const { - std::__throw_length_error("vector"); - } - - _LIBCPP_NORETURN _LIBCPP_HIDE_FROM_ABI - void __throw_out_of_range() const { - std::__throw_out_of_range("vector"); - } - - _LIBCPP_CONSTEXPR_SINCE_CXX20 _LIBCPP_HIDE_FROM_ABI - void __copy_assign_alloc(const vector& __c, true_type) - { - if (__alloc() != __c.__alloc()) - { - __clear(); - __alloc_traits::deallocate(__alloc(), this->__begin_, capacity()); - this->__begin_ = this->__end_ = __end_cap() = nullptr; - } - __alloc() = __c.__alloc(); - } - - _LIBCPP_CONSTEXPR_SINCE_CXX20 _LIBCPP_HIDE_FROM_ABI - void __copy_assign_alloc(const vector&, false_type) - {} - - _LIBCPP_CONSTEXPR_SINCE_CXX20 _LIBCPP_HIDE_FROM_ABI - void __move_assign_alloc(vector& __c, true_type) - _NOEXCEPT_(is_nothrow_move_assignable::value) - { - __alloc() = std::move(__c.__alloc()); - } - - _LIBCPP_CONSTEXPR_SINCE_CXX20 _LIBCPP_HIDE_FROM_ABI - void __move_assign_alloc(vector&, false_type) - _NOEXCEPT - {} -}; - -#if _LIBCPP_STD_VER >= 17 -template>, - class = enable_if_t<__is_cpp17_input_iterator<_InputIterator>::value>, - class = enable_if_t<__is_allocator<_Alloc>::value> - > -vector(_InputIterator, _InputIterator) - -> vector<__iter_value_type<_InputIterator>, _Alloc>; - -template::value>, - class = enable_if_t<__is_allocator<_Alloc>::value> - > -vector(_InputIterator, _InputIterator, _Alloc) - -> vector<__iter_value_type<_InputIterator>, _Alloc>; -#endif - -template -_LIBCPP_CONSTEXPR_SINCE_CXX20 -void -vector<_Tp, _Allocator>::__swap_out_circular_buffer(__split_buffer& __v) -{ - __annotate_delete(); - using _RevIter = std::reverse_iterator; - __v.__begin_ = std::__uninitialized_allocator_move_if_noexcept( - __alloc(), _RevIter(__end_), _RevIter(__begin_), _RevIter(__v.__begin_)) - .base(); - std::swap(this->__begin_, __v.__begin_); - std::swap(this->__end_, __v.__end_); - std::swap(this->__end_cap(), __v.__end_cap()); - __v.__first_ = __v.__begin_; - __annotate_new(size()); - std::__debug_db_invalidate_all(this); -} - -template -_LIBCPP_CONSTEXPR_SINCE_CXX20 -typename vector<_Tp, _Allocator>::pointer -vector<_Tp, _Allocator>::__swap_out_circular_buffer(__split_buffer& __v, pointer __p) -{ - __annotate_delete(); - pointer __r = __v.__begin_; - using _RevIter = std::reverse_iterator; - __v.__begin_ = std::__uninitialized_allocator_move_if_noexcept( - __alloc(), _RevIter(__p), _RevIter(__begin_), _RevIter(__v.__begin_)) - .base(); - __v.__end_ = std::__uninitialized_allocator_move_if_noexcept(__alloc(), __p, __end_, __v.__end_); - std::swap(this->__begin_, __v.__begin_); - std::swap(this->__end_, __v.__end_); - std::swap(this->__end_cap(), __v.__end_cap()); - __v.__first_ = __v.__begin_; - __annotate_new(size()); - std::__debug_db_invalidate_all(this); - return __r; -} - -template -_LIBCPP_CONSTEXPR_SINCE_CXX20 -void -vector<_Tp, _Allocator>::__vdeallocate() _NOEXCEPT -{ - if (this->__begin_ != nullptr) - { - clear(); - __alloc_traits::deallocate(this->__alloc(), this->__begin_, capacity()); - this->__begin_ = this->__end_ = this->__end_cap() = nullptr; - } -} - -template -_LIBCPP_CONSTEXPR_SINCE_CXX20 -typename vector<_Tp, _Allocator>::size_type -vector<_Tp, _Allocator>::max_size() const _NOEXCEPT -{ - return std::min(__alloc_traits::max_size(this->__alloc()), - numeric_limits::max()); -} - -// Precondition: __new_size > capacity() -template -_LIBCPP_CONSTEXPR_SINCE_CXX20 -inline _LIBCPP_HIDE_FROM_ABI -typename vector<_Tp, _Allocator>::size_type -vector<_Tp, _Allocator>::__recommend(size_type __new_size) const -{ - const size_type __ms = max_size(); - if (__new_size > __ms) - this->__throw_length_error(); - const size_type __cap = capacity(); - if (__cap >= __ms / 2) - return __ms; - return std::max(2 * __cap, __new_size); -} - -// Default constructs __n objects starting at __end_ -// throws if construction throws -// Precondition: __n > 0 -// Precondition: size() + __n <= capacity() -// Postcondition: size() == size() + __n -template -_LIBCPP_CONSTEXPR_SINCE_CXX20 -void -vector<_Tp, _Allocator>::__construct_at_end(size_type __n) -{ - _ConstructTransaction __tx(*this, __n); - const_pointer __new_end = __tx.__new_end_; - for (pointer __pos = __tx.__pos_; __pos != __new_end; __tx.__pos_ = ++__pos) { - __alloc_traits::construct(this->__alloc(), std::__to_address(__pos)); - } -} - -// Copy constructs __n objects starting at __end_ from __x -// throws if construction throws -// Precondition: __n > 0 -// Precondition: size() + __n <= capacity() -// Postcondition: size() == old size() + __n -// Postcondition: [i] == __x for all i in [size() - __n, __n) -template -_LIBCPP_CONSTEXPR_SINCE_CXX20 -inline -void -vector<_Tp, _Allocator>::__construct_at_end(size_type __n, const_reference __x) -{ - _ConstructTransaction __tx(*this, __n); - const_pointer __new_end = __tx.__new_end_; - for (pointer __pos = __tx.__pos_; __pos != __new_end; __tx.__pos_ = ++__pos) { - __alloc_traits::construct(this->__alloc(), std::__to_address(__pos), __x); - } -} - -template -template ::value, int> > -_LIBCPP_CONSTEXPR_SINCE_CXX20 void -vector<_Tp, _Allocator>::__construct_at_end(_ForwardIterator __first, _ForwardIterator __last, size_type __n) -{ - _ConstructTransaction __tx(*this, __n); - __tx.__pos_ = std::__uninitialized_allocator_copy(__alloc(), __first, __last, __tx.__pos_); -} - -// Default constructs __n objects starting at __end_ -// throws if construction throws -// Postcondition: size() == size() + __n -// Exception safety: strong. -template -_LIBCPP_CONSTEXPR_SINCE_CXX20 -void -vector<_Tp, _Allocator>::__append(size_type __n) -{ - if (static_cast(this->__end_cap() - this->__end_) >= __n) - this->__construct_at_end(__n); - else - { - allocator_type& __a = this->__alloc(); - __split_buffer __v(__recommend(size() + __n), size(), __a); - __v.__construct_at_end(__n); - __swap_out_circular_buffer(__v); - } -} - -// Default constructs __n objects starting at __end_ -// throws if construction throws -// Postcondition: size() == size() + __n -// Exception safety: strong. -template -_LIBCPP_CONSTEXPR_SINCE_CXX20 -void -vector<_Tp, _Allocator>::__append(size_type __n, const_reference __x) -{ - if (static_cast(this->__end_cap() - this->__end_) >= __n) - this->__construct_at_end(__n, __x); - else - { - allocator_type& __a = this->__alloc(); - __split_buffer __v(__recommend(size() + __n), size(), __a); - __v.__construct_at_end(__n, __x); - __swap_out_circular_buffer(__v); - } -} - -template -_LIBCPP_CONSTEXPR_SINCE_CXX20 -vector<_Tp, _Allocator>::vector(size_type __n) -{ - auto __guard = std::__make_exception_guard(__destroy_vector(*this)); - std::__debug_db_insert_c(this); - if (__n > 0) - { - __vallocate(__n); - __construct_at_end(__n); - } - __guard.__complete(); -} - -#if _LIBCPP_STD_VER >= 14 -template -_LIBCPP_CONSTEXPR_SINCE_CXX20 -vector<_Tp, _Allocator>::vector(size_type __n, const allocator_type& __a) - : __end_cap_(nullptr, __a) -{ - auto __guard = std::__make_exception_guard(__destroy_vector(*this)); - std::__debug_db_insert_c(this); - if (__n > 0) - { - __vallocate(__n); - __construct_at_end(__n); - } - __guard.__complete(); -} -#endif - -template -_LIBCPP_CONSTEXPR_SINCE_CXX20 -vector<_Tp, _Allocator>::vector(size_type __n, const value_type& __x) -{ - auto __guard = std::__make_exception_guard(__destroy_vector(*this)); - std::__debug_db_insert_c(this); - if (__n > 0) - { - __vallocate(__n); - __construct_at_end(__n, __x); - } - __guard.__complete(); -} - -template -template ::value && - is_constructible<_Tp, typename iterator_traits<_InputIterator>::reference>::value, - int> > -_LIBCPP_CONSTEXPR_SINCE_CXX20 -vector<_Tp, _Allocator>::vector(_InputIterator __first, _InputIterator __last) -{ - auto __guard = std::__make_exception_guard(__destroy_vector(*this)); - std::__debug_db_insert_c(this); - for (; __first != __last; ++__first) - emplace_back(*__first); - __guard.__complete(); -} - -template -template ::value && - is_constructible<_Tp, typename iterator_traits<_InputIterator>::reference>::value, - int> > -_LIBCPP_CONSTEXPR_SINCE_CXX20 -vector<_Tp, _Allocator>::vector(_InputIterator __first, _InputIterator __last, const allocator_type& __a) - : __end_cap_(nullptr, __a) -{ - auto __guard = std::__make_exception_guard(__destroy_vector(*this)); - std::__debug_db_insert_c(this); - for (; __first != __last; ++__first) - emplace_back(*__first); - __guard.__complete(); -} - -template -template ::value && - is_constructible<_Tp, typename iterator_traits<_ForwardIterator>::reference>::value, - int> > -_LIBCPP_CONSTEXPR_SINCE_CXX20 -vector<_Tp, _Allocator>::vector(_ForwardIterator __first, _ForwardIterator __last) -{ - auto __guard = std::__make_exception_guard(__destroy_vector(*this)); - std::__debug_db_insert_c(this); - size_type __n = static_cast(std::distance(__first, __last)); - if (__n > 0) - { - __vallocate(__n); - __construct_at_end(__first, __last, __n); - } - __guard.__complete(); -} - -template -template ::value && - is_constructible<_Tp, typename iterator_traits<_ForwardIterator>::reference>::value, - int> > -_LIBCPP_CONSTEXPR_SINCE_CXX20 -vector<_Tp, _Allocator>::vector(_ForwardIterator __first, _ForwardIterator __last, const allocator_type& __a) - : __end_cap_(nullptr, __a) -{ - auto __guard = std::__make_exception_guard(__destroy_vector(*this)); - std::__debug_db_insert_c(this); - size_type __n = static_cast(std::distance(__first, __last)); - if (__n > 0) - { - __vallocate(__n); - __construct_at_end(__first, __last, __n); - } - __guard.__complete(); -} - -template -_LIBCPP_CONSTEXPR_SINCE_CXX20 -vector<_Tp, _Allocator>::vector(const vector& __x) - : __end_cap_(nullptr, __alloc_traits::select_on_container_copy_construction(__x.__alloc())) -{ - auto __guard = std::__make_exception_guard(__destroy_vector(*this)); - std::__debug_db_insert_c(this); - size_type __n = __x.size(); - if (__n > 0) - { - __vallocate(__n); - __construct_at_end(__x.__begin_, __x.__end_, __n); - } - __guard.__complete(); -} - -template -_LIBCPP_CONSTEXPR_SINCE_CXX20 -vector<_Tp, _Allocator>::vector(const vector& __x, const __type_identity_t& __a) - : __end_cap_(nullptr, __a) -{ - auto __guard = std::__make_exception_guard(__destroy_vector(*this)); - std::__debug_db_insert_c(this); - size_type __n = __x.size(); - if (__n > 0) - { - __vallocate(__n); - __construct_at_end(__x.__begin_, __x.__end_, __n); - } - __guard.__complete(); -} - -template -_LIBCPP_CONSTEXPR_SINCE_CXX20 -inline _LIBCPP_HIDE_FROM_ABI -vector<_Tp, _Allocator>::vector(vector&& __x) -#if _LIBCPP_STD_VER >= 17 - noexcept -#else - _NOEXCEPT_(is_nothrow_move_constructible::value) -#endif - : __end_cap_(nullptr, std::move(__x.__alloc())) -{ - std::__debug_db_insert_c(this); - std::__debug_db_swap(this, std::addressof(__x)); - this->__begin_ = __x.__begin_; - this->__end_ = __x.__end_; - this->__end_cap() = __x.__end_cap(); - __x.__begin_ = __x.__end_ = __x.__end_cap() = nullptr; -} - -template -_LIBCPP_CONSTEXPR_SINCE_CXX20 -inline _LIBCPP_HIDE_FROM_ABI -vector<_Tp, _Allocator>::vector(vector&& __x, const __type_identity_t& __a) - : __end_cap_(nullptr, __a) -{ - std::__debug_db_insert_c(this); - if (__a == __x.__alloc()) - { - this->__begin_ = __x.__begin_; - this->__end_ = __x.__end_; - this->__end_cap() = __x.__end_cap(); - __x.__begin_ = __x.__end_ = __x.__end_cap() = nullptr; - std::__debug_db_swap(this, std::addressof(__x)); - } - else - { - typedef move_iterator _Ip; - auto __guard = std::__make_exception_guard(__destroy_vector(*this)); - assign(_Ip(__x.begin()), _Ip(__x.end())); - __guard.__complete(); - } -} - -#ifndef _LIBCPP_CXX03_LANG - -template -_LIBCPP_CONSTEXPR_SINCE_CXX20 -inline _LIBCPP_HIDE_FROM_ABI -vector<_Tp, _Allocator>::vector(initializer_list __il) -{ - auto __guard = std::__make_exception_guard(__destroy_vector(*this)); - std::__debug_db_insert_c(this); - if (__il.size() > 0) - { - __vallocate(__il.size()); - __construct_at_end(__il.begin(), __il.end(), __il.size()); - } - __guard.__complete(); -} - -template -_LIBCPP_CONSTEXPR_SINCE_CXX20 -inline _LIBCPP_HIDE_FROM_ABI -vector<_Tp, _Allocator>::vector(initializer_list __il, const allocator_type& __a) - : __end_cap_(nullptr, __a) -{ - auto __guard = std::__make_exception_guard(__destroy_vector(*this)); - std::__debug_db_insert_c(this); - if (__il.size() > 0) - { - __vallocate(__il.size()); - __construct_at_end(__il.begin(), __il.end(), __il.size()); - } - __guard.__complete(); -} - -#endif // _LIBCPP_CXX03_LANG - -template -_LIBCPP_CONSTEXPR_SINCE_CXX20 -inline _LIBCPP_HIDE_FROM_ABI -vector<_Tp, _Allocator>& -vector<_Tp, _Allocator>::operator=(vector&& __x) - _NOEXCEPT_((__noexcept_move_assign_container<_Allocator, __alloc_traits>::value)) -{ - __move_assign(__x, integral_constant()); - return *this; -} - -template -_LIBCPP_CONSTEXPR_SINCE_CXX20 -void -vector<_Tp, _Allocator>::__move_assign(vector& __c, false_type) - _NOEXCEPT_(__alloc_traits::is_always_equal::value) -{ - if (__alloc() != __c.__alloc()) - { - typedef move_iterator _Ip; - assign(_Ip(__c.begin()), _Ip(__c.end())); - } - else - __move_assign(__c, true_type()); -} - -template -_LIBCPP_CONSTEXPR_SINCE_CXX20 -void -vector<_Tp, _Allocator>::__move_assign(vector& __c, true_type) - _NOEXCEPT_(is_nothrow_move_assignable::value) -{ - __vdeallocate(); - __move_assign_alloc(__c); // this can throw - this->__begin_ = __c.__begin_; - this->__end_ = __c.__end_; - this->__end_cap() = __c.__end_cap(); - __c.__begin_ = __c.__end_ = __c.__end_cap() = nullptr; - std::__debug_db_swap(this, std::addressof(__c)); -} - -template -_LIBCPP_CONSTEXPR_SINCE_CXX20 -inline _LIBCPP_HIDE_FROM_ABI -vector<_Tp, _Allocator>& -vector<_Tp, _Allocator>::operator=(const vector& __x) -{ - if (this != std::addressof(__x)) - { - __copy_assign_alloc(__x); - assign(__x.__begin_, __x.__end_); - } - return *this; -} - -template -template ::value && - is_constructible<_Tp, typename iterator_traits<_InputIterator>::reference>::value, - int> > -_LIBCPP_CONSTEXPR_SINCE_CXX20 void -vector<_Tp, _Allocator>::assign(_InputIterator __first, _InputIterator __last) -{ - clear(); - for (; __first != __last; ++__first) - emplace_back(*__first); -} - -template -template ::value && - is_constructible<_Tp, typename iterator_traits<_ForwardIterator>::reference>::value, - int> > -_LIBCPP_CONSTEXPR_SINCE_CXX20 void -vector<_Tp, _Allocator>::assign(_ForwardIterator __first, _ForwardIterator __last) -{ - size_type __new_size = static_cast(std::distance(__first, __last)); - if (__new_size <= capacity()) - { - _ForwardIterator __mid = __last; - bool __growing = false; - if (__new_size > size()) - { - __growing = true; - __mid = __first; - std::advance(__mid, size()); - } - pointer __m = std::copy(__first, __mid, this->__begin_); - if (__growing) - __construct_at_end(__mid, __last, __new_size - size()); - else - this->__destruct_at_end(__m); - } - else - { - __vdeallocate(); - __vallocate(__recommend(__new_size)); - __construct_at_end(__first, __last, __new_size); - } - std::__debug_db_invalidate_all(this); -} - -template -_LIBCPP_CONSTEXPR_SINCE_CXX20 -void -vector<_Tp, _Allocator>::assign(size_type __n, const_reference __u) -{ - if (__n <= capacity()) - { - size_type __s = size(); - std::fill_n(this->__begin_, std::min(__n, __s), __u); - if (__n > __s) - __construct_at_end(__n - __s, __u); - else - this->__destruct_at_end(this->__begin_ + __n); - } - else - { - __vdeallocate(); - __vallocate(__recommend(static_cast(__n))); - __construct_at_end(__n, __u); - } - std::__debug_db_invalidate_all(this); -} - -template -_LIBCPP_CONSTEXPR_SINCE_CXX20 -inline _LIBCPP_HIDE_FROM_ABI -typename vector<_Tp, _Allocator>::iterator -vector<_Tp, _Allocator>::begin() _NOEXCEPT -{ - return __make_iter(this->__begin_); -} - -template -_LIBCPP_CONSTEXPR_SINCE_CXX20 -inline _LIBCPP_HIDE_FROM_ABI -typename vector<_Tp, _Allocator>::const_iterator -vector<_Tp, _Allocator>::begin() const _NOEXCEPT -{ - return __make_iter(this->__begin_); -} - -template -_LIBCPP_CONSTEXPR_SINCE_CXX20 -inline _LIBCPP_HIDE_FROM_ABI -typename vector<_Tp, _Allocator>::iterator -vector<_Tp, _Allocator>::end() _NOEXCEPT -{ - return __make_iter(this->__end_); -} - -template -_LIBCPP_CONSTEXPR_SINCE_CXX20 -inline _LIBCPP_HIDE_FROM_ABI -typename vector<_Tp, _Allocator>::const_iterator -vector<_Tp, _Allocator>::end() const _NOEXCEPT -{ - return __make_iter(this->__end_); -} - -template -_LIBCPP_CONSTEXPR_SINCE_CXX20 -inline _LIBCPP_HIDE_FROM_ABI -typename vector<_Tp, _Allocator>::reference -vector<_Tp, _Allocator>::operator[](size_type __n) _NOEXCEPT -{ - _LIBCPP_ASSERT(__n < size(), "vector[] index out of bounds"); - return this->__begin_[__n]; -} - -template -_LIBCPP_CONSTEXPR_SINCE_CXX20 -inline _LIBCPP_HIDE_FROM_ABI -typename vector<_Tp, _Allocator>::const_reference -vector<_Tp, _Allocator>::operator[](size_type __n) const _NOEXCEPT -{ - _LIBCPP_ASSERT(__n < size(), "vector[] index out of bounds"); - return this->__begin_[__n]; -} - -template -_LIBCPP_CONSTEXPR_SINCE_CXX20 -typename vector<_Tp, _Allocator>::reference -vector<_Tp, _Allocator>::at(size_type __n) -{ - if (__n >= size()) - this->__throw_out_of_range(); - return this->__begin_[__n]; -} - -template -_LIBCPP_CONSTEXPR_SINCE_CXX20 -typename vector<_Tp, _Allocator>::const_reference -vector<_Tp, _Allocator>::at(size_type __n) const -{ - if (__n >= size()) - this->__throw_out_of_range(); - return this->__begin_[__n]; -} - -template -_LIBCPP_CONSTEXPR_SINCE_CXX20 -void -vector<_Tp, _Allocator>::reserve(size_type __n) -{ - if (__n > capacity()) - { - if (__n > max_size()) - this->__throw_length_error(); - allocator_type& __a = this->__alloc(); - __split_buffer __v(__n, size(), __a); - __swap_out_circular_buffer(__v); - } -} - -template -_LIBCPP_CONSTEXPR_SINCE_CXX20 -void -vector<_Tp, _Allocator>::shrink_to_fit() _NOEXCEPT -{ - if (capacity() > size()) - { -#ifndef _LIBCPP_HAS_NO_EXCEPTIONS - try - { -#endif // _LIBCPP_HAS_NO_EXCEPTIONS - allocator_type& __a = this->__alloc(); - __split_buffer __v(size(), size(), __a); - __swap_out_circular_buffer(__v); -#ifndef _LIBCPP_HAS_NO_EXCEPTIONS - } - catch (...) - { - } -#endif // _LIBCPP_HAS_NO_EXCEPTIONS - } -} - -template -template -_LIBCPP_CONSTEXPR_SINCE_CXX20 -void -vector<_Tp, _Allocator>::__push_back_slow_path(_Up&& __x) -{ - allocator_type& __a = this->__alloc(); - __split_buffer __v(__recommend(size() + 1), size(), __a); - // __v.push_back(std::forward<_Up>(__x)); - __alloc_traits::construct(__a, std::__to_address(__v.__end_), std::forward<_Up>(__x)); - __v.__end_++; - __swap_out_circular_buffer(__v); -} - -template -_LIBCPP_CONSTEXPR_SINCE_CXX20 -inline _LIBCPP_HIDE_FROM_ABI -void -vector<_Tp, _Allocator>::push_back(const_reference __x) -{ - if (this->__end_ != this->__end_cap()) - { - __construct_one_at_end(__x); - } - else - __push_back_slow_path(__x); -} - -template -_LIBCPP_CONSTEXPR_SINCE_CXX20 -inline _LIBCPP_HIDE_FROM_ABI -void -vector<_Tp, _Allocator>::push_back(value_type&& __x) -{ - if (this->__end_ < this->__end_cap()) - { - __construct_one_at_end(std::move(__x)); - } - else - __push_back_slow_path(std::move(__x)); -} - -template -template -_LIBCPP_CONSTEXPR_SINCE_CXX20 -void -vector<_Tp, _Allocator>::__emplace_back_slow_path(_Args&&... __args) -{ - allocator_type& __a = this->__alloc(); - __split_buffer __v(__recommend(size() + 1), size(), __a); -// __v.emplace_back(std::forward<_Args>(__args)...); - __alloc_traits::construct(__a, std::__to_address(__v.__end_), std::forward<_Args>(__args)...); - __v.__end_++; - __swap_out_circular_buffer(__v); -} - -template -template -_LIBCPP_CONSTEXPR_SINCE_CXX20 -inline -#if _LIBCPP_STD_VER >= 17 -typename vector<_Tp, _Allocator>::reference -#else -void -#endif -vector<_Tp, _Allocator>::emplace_back(_Args&&... __args) -{ - if (this->__end_ < this->__end_cap()) - { - __construct_one_at_end(std::forward<_Args>(__args)...); - } - else - __emplace_back_slow_path(std::forward<_Args>(__args)...); -#if _LIBCPP_STD_VER >= 17 - return this->back(); -#endif -} - -template -_LIBCPP_CONSTEXPR_SINCE_CXX20 -inline -void -vector<_Tp, _Allocator>::pop_back() -{ - _LIBCPP_ASSERT(!empty(), "vector::pop_back called on an empty vector"); - this->__destruct_at_end(this->__end_ - 1); -} - -template -_LIBCPP_CONSTEXPR_SINCE_CXX20 -inline _LIBCPP_HIDE_FROM_ABI -typename vector<_Tp, _Allocator>::iterator -vector<_Tp, _Allocator>::erase(const_iterator __position) -{ - _LIBCPP_DEBUG_ASSERT(__get_const_db()->__find_c_from_i(std::addressof(__position)) == this, - "vector::erase(iterator) called with an iterator not referring to this vector"); - _LIBCPP_ASSERT(__position != end(), - "vector::erase(iterator) called with a non-dereferenceable iterator"); - difference_type __ps = __position - cbegin(); - pointer __p = this->__begin_ + __ps; - this->__destruct_at_end(std::move(__p + 1, this->__end_, __p)); - if (!__libcpp_is_constant_evaluated()) - this->__invalidate_iterators_past(__p - 1); - return __make_iter(__p); -} - -template -_LIBCPP_CONSTEXPR_SINCE_CXX20 -typename vector<_Tp, _Allocator>::iterator -vector<_Tp, _Allocator>::erase(const_iterator __first, const_iterator __last) -{ - _LIBCPP_DEBUG_ASSERT(__get_const_db()->__find_c_from_i(std::addressof(__first)) == this, - "vector::erase(iterator, iterator) called with an iterator not referring to this vector"); - _LIBCPP_DEBUG_ASSERT(__get_const_db()->__find_c_from_i(std::addressof(__last)) == this, - "vector::erase(iterator, iterator) called with an iterator not referring to this vector"); - - _LIBCPP_ASSERT(__first <= __last, "vector::erase(first, last) called with invalid range"); - pointer __p = this->__begin_ + (__first - begin()); - if (__first != __last) { - this->__destruct_at_end(std::move(__p + (__last - __first), this->__end_, __p)); - if (!__libcpp_is_constant_evaluated()) - this->__invalidate_iterators_past(__p - 1); - } - return __make_iter(__p); -} - -template -_LIBCPP_CONSTEXPR_SINCE_CXX20 -void -vector<_Tp, _Allocator>::__move_range(pointer __from_s, pointer __from_e, pointer __to) -{ - pointer __old_last = this->__end_; - difference_type __n = __old_last - __to; - { - pointer __i = __from_s + __n; - _ConstructTransaction __tx(*this, __from_e - __i); - for (pointer __pos = __tx.__pos_; __i < __from_e; - ++__i, (void) ++__pos, __tx.__pos_ = __pos) { - __alloc_traits::construct(this->__alloc(), - std::__to_address(__pos), - std::move(*__i)); - } - } - std::move_backward(__from_s, __from_s + __n, __old_last); -} - -template -_LIBCPP_CONSTEXPR_SINCE_CXX20 -typename vector<_Tp, _Allocator>::iterator -vector<_Tp, _Allocator>::insert(const_iterator __position, const_reference __x) -{ - _LIBCPP_DEBUG_ASSERT(__get_const_db()->__find_c_from_i(std::addressof(__position)) == this, - "vector::insert(iterator, x) called with an iterator not referring to this vector"); - pointer __p = this->__begin_ + (__position - begin()); - // We can't compare unrelated pointers inside constant expressions - if (!__libcpp_is_constant_evaluated() && this->__end_ < this->__end_cap()) - { - if (__p == this->__end_) - { - __construct_one_at_end(__x); - } - else - { - __move_range(__p, this->__end_, __p + 1); - const_pointer __xr = pointer_traits::pointer_to(__x); - if (__p <= __xr && __xr < this->__end_) - ++__xr; - *__p = *__xr; - } - } - else - { - allocator_type& __a = this->__alloc(); - __split_buffer __v(__recommend(size() + 1), __p - this->__begin_, __a); - __v.push_back(__x); - __p = __swap_out_circular_buffer(__v, __p); - } - return __make_iter(__p); -} - -template -_LIBCPP_CONSTEXPR_SINCE_CXX20 -typename vector<_Tp, _Allocator>::iterator -vector<_Tp, _Allocator>::insert(const_iterator __position, value_type&& __x) -{ - _LIBCPP_DEBUG_ASSERT(__get_const_db()->__find_c_from_i(std::addressof(__position)) == this, - "vector::insert(iterator, x) called with an iterator not referring to this vector"); - pointer __p = this->__begin_ + (__position - begin()); - if (this->__end_ < this->__end_cap()) - { - if (__p == this->__end_) - { - __construct_one_at_end(std::move(__x)); - } - else - { - __move_range(__p, this->__end_, __p + 1); - *__p = std::move(__x); - } - } - else - { - allocator_type& __a = this->__alloc(); - __split_buffer __v(__recommend(size() + 1), __p - this->__begin_, __a); - __v.push_back(std::move(__x)); - __p = __swap_out_circular_buffer(__v, __p); - } - return __make_iter(__p); -} - -template -template -_LIBCPP_CONSTEXPR_SINCE_CXX20 -typename vector<_Tp, _Allocator>::iterator -vector<_Tp, _Allocator>::emplace(const_iterator __position, _Args&&... __args) -{ - _LIBCPP_DEBUG_ASSERT(__get_const_db()->__find_c_from_i(std::addressof(__position)) == this, - "vector::emplace(iterator, x) called with an iterator not referring to this vector"); - pointer __p = this->__begin_ + (__position - begin()); - if (this->__end_ < this->__end_cap()) - { - if (__p == this->__end_) - { - __construct_one_at_end(std::forward<_Args>(__args)...); - } - else - { - __temp_value __tmp(this->__alloc(), std::forward<_Args>(__args)...); - __move_range(__p, this->__end_, __p + 1); - *__p = std::move(__tmp.get()); - } - } - else - { - allocator_type& __a = this->__alloc(); - __split_buffer __v(__recommend(size() + 1), __p - this->__begin_, __a); - __v.emplace_back(std::forward<_Args>(__args)...); - __p = __swap_out_circular_buffer(__v, __p); - } - return __make_iter(__p); -} - -template -_LIBCPP_CONSTEXPR_SINCE_CXX20 -typename vector<_Tp, _Allocator>::iterator -vector<_Tp, _Allocator>::insert(const_iterator __position, size_type __n, const_reference __x) -{ - _LIBCPP_DEBUG_ASSERT(__get_const_db()->__find_c_from_i(std::addressof(__position)) == this, - "vector::insert(iterator, n, x) called with an iterator not referring to this vector"); - pointer __p = this->__begin_ + (__position - begin()); - if (__n > 0) - { - // We can't compare unrelated pointers inside constant expressions - if (!__libcpp_is_constant_evaluated() && __n <= static_cast(this->__end_cap() - this->__end_)) - { - size_type __old_n = __n; - pointer __old_last = this->__end_; - if (__n > static_cast(this->__end_ - __p)) - { - size_type __cx = __n - (this->__end_ - __p); - __construct_at_end(__cx, __x); - __n -= __cx; - } - if (__n > 0) - { - __move_range(__p, __old_last, __p + __old_n); - const_pointer __xr = pointer_traits::pointer_to(__x); - if (__p <= __xr && __xr < this->__end_) - __xr += __old_n; - std::fill_n(__p, __n, *__xr); - } - } - else - { - allocator_type& __a = this->__alloc(); - __split_buffer __v(__recommend(size() + __n), __p - this->__begin_, __a); - __v.__construct_at_end(__n, __x); - __p = __swap_out_circular_buffer(__v, __p); - } - } - return __make_iter(__p); -} - -template -template ::value && - is_constructible<_Tp, typename iterator_traits<_InputIterator>::reference>::value, - int> > -_LIBCPP_CONSTEXPR_SINCE_CXX20 typename vector<_Tp, _Allocator>::iterator -vector<_Tp, _Allocator>::insert(const_iterator __position, _InputIterator __first, _InputIterator __last) -{ - _LIBCPP_DEBUG_ASSERT(__get_const_db()->__find_c_from_i(std::addressof(__position)) == this, - "vector::insert(iterator, range) called with an iterator not referring to this vector"); - difference_type __off = __position - begin(); - pointer __p = this->__begin_ + __off; - allocator_type& __a = this->__alloc(); - pointer __old_last = this->__end_; - for (; this->__end_ != this->__end_cap() && __first != __last; ++__first) - { - __construct_one_at_end(*__first); - } - __split_buffer __v(__a); - if (__first != __last) - { -#ifndef _LIBCPP_HAS_NO_EXCEPTIONS - try - { -#endif // _LIBCPP_HAS_NO_EXCEPTIONS - __v.__construct_at_end(__first, __last); - difference_type __old_size = __old_last - this->__begin_; - difference_type __old_p = __p - this->__begin_; - reserve(__recommend(size() + __v.size())); - __p = this->__begin_ + __old_p; - __old_last = this->__begin_ + __old_size; -#ifndef _LIBCPP_HAS_NO_EXCEPTIONS - } - catch (...) - { - erase(__make_iter(__old_last), end()); - throw; - } -#endif // _LIBCPP_HAS_NO_EXCEPTIONS - } - __p = std::rotate(__p, __old_last, this->__end_); - insert(__make_iter(__p), std::make_move_iterator(__v.begin()), - std::make_move_iterator(__v.end())); - return begin() + __off; -} - -template -template ::value && - is_constructible<_Tp, typename iterator_traits<_ForwardIterator>::reference>::value, - int> > -_LIBCPP_CONSTEXPR_SINCE_CXX20 typename vector<_Tp, _Allocator>::iterator -vector<_Tp, _Allocator>::insert(const_iterator __position, _ForwardIterator __first, _ForwardIterator __last) -{ - _LIBCPP_DEBUG_ASSERT(__get_const_db()->__find_c_from_i(std::addressof(__position)) == this, - "vector::insert(iterator, range) called with an iterator not referring to this vector"); - pointer __p = this->__begin_ + (__position - begin()); - difference_type __n = std::distance(__first, __last); - if (__n > 0) - { - if (__n <= this->__end_cap() - this->__end_) - { - size_type __old_n = __n; - pointer __old_last = this->__end_; - _ForwardIterator __m = __last; - difference_type __dx = this->__end_ - __p; - if (__n > __dx) - { - __m = __first; - difference_type __diff = this->__end_ - __p; - std::advance(__m, __diff); - __construct_at_end(__m, __last, __n - __diff); - __n = __dx; - } - if (__n > 0) - { - __move_range(__p, __old_last, __p + __old_n); - std::copy(__first, __m, __p); - } - } - else - { - allocator_type& __a = this->__alloc(); - __split_buffer __v(__recommend(size() + __n), __p - this->__begin_, __a); - __v.__construct_at_end(__first, __last); - __p = __swap_out_circular_buffer(__v, __p); - } - } - return __make_iter(__p); -} - -template -_LIBCPP_CONSTEXPR_SINCE_CXX20 -void -vector<_Tp, _Allocator>::resize(size_type __sz) -{ - size_type __cs = size(); - if (__cs < __sz) - this->__append(__sz - __cs); - else if (__cs > __sz) - this->__destruct_at_end(this->__begin_ + __sz); -} - -template -_LIBCPP_CONSTEXPR_SINCE_CXX20 -void -vector<_Tp, _Allocator>::resize(size_type __sz, const_reference __x) -{ - size_type __cs = size(); - if (__cs < __sz) - this->__append(__sz - __cs, __x); - else if (__cs > __sz) - this->__destruct_at_end(this->__begin_ + __sz); -} - -template -_LIBCPP_CONSTEXPR_SINCE_CXX20 -void -vector<_Tp, _Allocator>::swap(vector& __x) -#if _LIBCPP_STD_VER >= 14 - _NOEXCEPT -#else - _NOEXCEPT_(!__alloc_traits::propagate_on_container_swap::value || - __is_nothrow_swappable::value) -#endif -{ - _LIBCPP_ASSERT(__alloc_traits::propagate_on_container_swap::value || - this->__alloc() == __x.__alloc(), - "vector::swap: Either propagate_on_container_swap must be true" - " or the allocators must compare equal"); - std::swap(this->__begin_, __x.__begin_); - std::swap(this->__end_, __x.__end_); - std::swap(this->__end_cap(), __x.__end_cap()); - std::__swap_allocator(this->__alloc(), __x.__alloc(), - integral_constant()); - std::__debug_db_swap(this, std::addressof(__x)); -} - -template -_LIBCPP_CONSTEXPR_SINCE_CXX20 -bool -vector<_Tp, _Allocator>::__invariants() const -{ - if (this->__begin_ == nullptr) - { - if (this->__end_ != nullptr || this->__end_cap() != nullptr) - return false; - } - else - { - if (this->__begin_ > this->__end_) - return false; - if (this->__begin_ == this->__end_cap()) - return false; - if (this->__end_ > this->__end_cap()) - return false; - } - return true; -} - -#ifdef _LIBCPP_ENABLE_DEBUG_MODE - -template -bool -vector<_Tp, _Allocator>::__dereferenceable(const const_iterator* __i) const -{ - return this->__begin_ <= __i->base() && __i->base() < this->__end_; -} - -template -bool -vector<_Tp, _Allocator>::__decrementable(const const_iterator* __i) const -{ - return this->__begin_ < __i->base() && __i->base() <= this->__end_; -} - -template -bool -vector<_Tp, _Allocator>::__addable(const const_iterator* __i, ptrdiff_t __n) const -{ - const_pointer __p = __i->base() + __n; - return this->__begin_ <= __p && __p <= this->__end_; -} - -template -bool -vector<_Tp, _Allocator>::__subscriptable(const const_iterator* __i, ptrdiff_t __n) const -{ - const_pointer __p = __i->base() + __n; - return this->__begin_ <= __p && __p < this->__end_; -} - -#endif // _LIBCPP_ENABLE_DEBUG_MODE - -template -inline _LIBCPP_HIDE_FROM_ABI -void -vector<_Tp, _Allocator>::__invalidate_iterators_past(pointer __new_last) { -#ifdef _LIBCPP_ENABLE_DEBUG_MODE - __c_node* __c = __get_db()->__find_c_and_lock(this); - for (__i_node** __p = __c->end_; __p != __c->beg_; ) { - --__p; - const_iterator* __i = static_cast((*__p)->__i_); - if (__i->base() > __new_last) { - (*__p)->__c_ = nullptr; - if (--__c->end_ != __p) - std::memmove(__p, __p+1, (__c->end_ - __p)*sizeof(__i_node*)); - } - } - __get_db()->unlock(); -#else - ((void)__new_last); -#endif -} - -// vector - -template class vector; - -template struct hash >; - -template -struct __has_storage_type > -{ - static const bool value = true; -}; - -template -class _LIBCPP_TEMPLATE_VIS vector -{ -public: - typedef vector __self; - typedef bool value_type; - typedef _Allocator allocator_type; - typedef allocator_traits __alloc_traits; - typedef typename __alloc_traits::size_type size_type; - typedef typename __alloc_traits::difference_type difference_type; - typedef size_type __storage_type; - typedef __bit_iterator pointer; - typedef __bit_iterator const_pointer; - typedef pointer iterator; - typedef const_pointer const_iterator; - typedef std::reverse_iterator reverse_iterator; - typedef std::reverse_iterator const_reverse_iterator; - -private: - typedef __rebind_alloc<__alloc_traits, __storage_type> __storage_allocator; - typedef allocator_traits<__storage_allocator> __storage_traits; - typedef typename __storage_traits::pointer __storage_pointer; - typedef typename __storage_traits::const_pointer __const_storage_pointer; - - __storage_pointer __begin_; - size_type __size_; - __compressed_pair __cap_alloc_; -public: - typedef __bit_reference reference; -#ifdef _LIBCPP_ABI_BITSET_VECTOR_BOOL_CONST_SUBSCRIPT_RETURN_BOOL - using const_reference = bool; -#else - typedef __bit_const_reference const_reference; -#endif -private: - _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 - size_type& __cap() _NOEXCEPT - {return __cap_alloc_.first();} - _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 - const size_type& __cap() const _NOEXCEPT - {return __cap_alloc_.first();} - _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 - __storage_allocator& __alloc() _NOEXCEPT - {return __cap_alloc_.second();} - _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 - const __storage_allocator& __alloc() const _NOEXCEPT - {return __cap_alloc_.second();} - - static const unsigned __bits_per_word = static_cast(sizeof(__storage_type) * CHAR_BIT); - - _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 - static size_type __internal_cap_to_external(size_type __n) _NOEXCEPT - {return __n * __bits_per_word;} - _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 - static size_type __external_cap_to_internal(size_type __n) _NOEXCEPT - {return (__n - 1) / __bits_per_word + 1;} - -public: - _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 - vector() _NOEXCEPT_(is_nothrow_default_constructible::value); - - _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 explicit vector(const allocator_type& __a) -#if _LIBCPP_STD_VER <= 14 - _NOEXCEPT_(is_nothrow_copy_constructible::value); -#else - _NOEXCEPT; -#endif - -private: - class __destroy_vector { - public: - _LIBCPP_CONSTEXPR __destroy_vector(vector& __vec) : __vec_(__vec) {} - - _LIBCPP_CONSTEXPR_SINCE_CXX20 _LIBCPP_HIDE_FROM_ABI void operator()() { - if (__vec_.__begin_ != nullptr) - __storage_traits::deallocate(__vec_.__alloc(), __vec_.__begin_, __vec_.__cap()); - std::__debug_db_invalidate_all(this); - } - - private: - vector& __vec_; - }; - -public: - _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 ~vector() { __destroy_vector(*this)(); } - - _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 explicit vector(size_type __n); -#if _LIBCPP_STD_VER >= 14 - _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 explicit vector(size_type __n, const allocator_type& __a); -#endif - _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 vector(size_type __n, const value_type& __v); - _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 vector(size_type __n, const value_type& __v, const allocator_type& __a); - template - _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 vector(_InputIterator __first, _InputIterator __last, - typename enable_if<__is_exactly_cpp17_input_iterator<_InputIterator>::value>::type* = 0); - template - _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 vector(_InputIterator __first, _InputIterator __last, const allocator_type& __a, - typename enable_if<__is_exactly_cpp17_input_iterator<_InputIterator>::value>::type* = 0); - template - _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 vector(_ForwardIterator __first, _ForwardIterator __last, - typename enable_if<__is_cpp17_forward_iterator<_ForwardIterator>::value>::type* = 0); - template - _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 vector(_ForwardIterator __first, _ForwardIterator __last, const allocator_type& __a, - typename enable_if<__is_cpp17_forward_iterator<_ForwardIterator>::value>::type* = 0); - - _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 vector(const vector& __v); - _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 vector(const vector& __v, const allocator_type& __a); - _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 vector& operator=(const vector& __v); - -#ifndef _LIBCPP_CXX03_LANG - _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 vector(initializer_list __il); - _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 vector(initializer_list __il, const allocator_type& __a); - - _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 - vector& operator=(initializer_list __il) - {assign(__il.begin(), __il.end()); return *this;} - -#endif // !_LIBCPP_CXX03_LANG - - _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 - vector(vector&& __v) -#if _LIBCPP_STD_VER >= 17 - noexcept; -#else - _NOEXCEPT_(is_nothrow_move_constructible::value); -#endif - _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 vector(vector&& __v, const __type_identity_t& __a); - _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 - vector& operator=(vector&& __v) - _NOEXCEPT_((__noexcept_move_assign_container<_Allocator, __alloc_traits>::value)); - - template - typename enable_if <__is_exactly_cpp17_input_iterator<_InputIterator>::value, - void - >::type - _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 assign(_InputIterator __first, _InputIterator __last); - template - typename enable_if - < - __is_cpp17_forward_iterator<_ForwardIterator>::value, - void - >::type - _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 assign(_ForwardIterator __first, _ForwardIterator __last); - - _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 void assign(size_type __n, const value_type& __x); - -#ifndef _LIBCPP_CXX03_LANG - _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 - void assign(initializer_list __il) - {assign(__il.begin(), __il.end());} -#endif - - _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 allocator_type get_allocator() const _NOEXCEPT - {return allocator_type(this->__alloc());} - - _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 size_type max_size() const _NOEXCEPT; - _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 - size_type capacity() const _NOEXCEPT - {return __internal_cap_to_external(__cap());} - _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 - size_type size() const _NOEXCEPT - {return __size_;} - _LIBCPP_NODISCARD_AFTER_CXX17 _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 - bool empty() const _NOEXCEPT - {return __size_ == 0;} - _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 void reserve(size_type __n); - _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 void shrink_to_fit() _NOEXCEPT; - - _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 - iterator begin() _NOEXCEPT - {return __make_iter(0);} - _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 - const_iterator begin() const _NOEXCEPT - {return __make_iter(0);} - _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 - iterator end() _NOEXCEPT - {return __make_iter(__size_);} - _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 - const_iterator end() const _NOEXCEPT - {return __make_iter(__size_);} - - _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 - reverse_iterator rbegin() _NOEXCEPT - {return reverse_iterator(end());} - _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 - const_reverse_iterator rbegin() const _NOEXCEPT - {return const_reverse_iterator(end());} - _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 - reverse_iterator rend() _NOEXCEPT - {return reverse_iterator(begin());} - _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 - const_reverse_iterator rend() const _NOEXCEPT - {return const_reverse_iterator(begin());} - - _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 - const_iterator cbegin() const _NOEXCEPT - {return __make_iter(0);} - _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 - const_iterator cend() const _NOEXCEPT - {return __make_iter(__size_);} - _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 - const_reverse_iterator crbegin() const _NOEXCEPT - {return rbegin();} - _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 - const_reverse_iterator crend() const _NOEXCEPT - {return rend();} - - _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 reference operator[](size_type __n) {return __make_ref(__n);} - _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 const_reference operator[](size_type __n) const {return __make_ref(__n);} - _LIBCPP_HIDE_FROM_ABI reference at(size_type __n); - _LIBCPP_HIDE_FROM_ABI const_reference at(size_type __n) const; - - _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 reference front() {return __make_ref(0);} - _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 const_reference front() const {return __make_ref(0);} - _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 reference back() {return __make_ref(__size_ - 1);} - _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 const_reference back() const {return __make_ref(__size_ - 1);} - - _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 void push_back(const value_type& __x); -#if _LIBCPP_STD_VER >= 14 - template -#if _LIBCPP_STD_VER >= 17 - _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 reference emplace_back(_Args&&... __args) -#else - _LIBCPP_HIDE_FROM_ABI void emplace_back(_Args&&... __args) -#endif - { - push_back ( value_type ( std::forward<_Args>(__args)... )); -#if _LIBCPP_STD_VER >= 17 - return this->back(); -#endif - } -#endif - - _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 void pop_back() {--__size_;} - -#if _LIBCPP_STD_VER >= 14 - template - _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 iterator emplace(const_iterator __position, _Args&&... __args) - { return insert ( __position, value_type ( std::forward<_Args>(__args)... )); } -#endif - - _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 iterator insert(const_iterator __position, const value_type& __x); - _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 iterator insert(const_iterator __position, size_type __n, const value_type& __x); - template - typename enable_if <__is_exactly_cpp17_input_iterator<_InputIterator>::value, - iterator - >::type - _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 insert(const_iterator __position, _InputIterator __first, _InputIterator __last); - template - typename enable_if - < - __is_cpp17_forward_iterator<_ForwardIterator>::value, - iterator - >::type - _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 insert(const_iterator __position, _ForwardIterator __first, _ForwardIterator __last); - -#ifndef _LIBCPP_CXX03_LANG - _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 - iterator insert(const_iterator __position, initializer_list __il) - {return insert(__position, __il.begin(), __il.end());} -#endif - - _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 iterator erase(const_iterator __position); - _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 iterator erase(const_iterator __first, const_iterator __last); - - _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 - void clear() _NOEXCEPT {__size_ = 0;} - - _LIBCPP_CONSTEXPR_SINCE_CXX20 void swap(vector&) -#if _LIBCPP_STD_VER >= 14 - _NOEXCEPT; -#else - _NOEXCEPT_(!__alloc_traits::propagate_on_container_swap::value || - __is_nothrow_swappable::value); -#endif - _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 static void swap(reference __x, reference __y) _NOEXCEPT { std::swap(__x, __y); } - - _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 void resize(size_type __sz, value_type __x = false); - _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 void flip() _NOEXCEPT; - - _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 bool __invariants() const; - -private: - _LIBCPP_NORETURN _LIBCPP_HIDE_FROM_ABI - void __throw_length_error() const { - std::__throw_length_error("vector"); - } - - _LIBCPP_NORETURN _LIBCPP_HIDE_FROM_ABI - void __throw_out_of_range() const { - std::__throw_out_of_range("vector"); - } - - // Allocate space for __n objects - // throws length_error if __n > max_size() - // throws (probably bad_alloc) if memory run out - // Precondition: __begin_ == __end_ == __cap() == 0 - // Precondition: __n > 0 - // Postcondition: capacity() >= __n - // Postcondition: size() == 0 - _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 void __vallocate(size_type __n) { - if (__n > max_size()) - __throw_length_error(); - auto __allocation = std::__allocate_at_least(__alloc(), __external_cap_to_internal(__n)); - __begin_ = __allocation.ptr; - __size_ = 0; - __cap() = __allocation.count; - if (__libcpp_is_constant_evaluated()) { - for (size_type __i = 0; __i != __cap(); ++__i) - std::__construct_at(std::__to_address(__begin_) + __i); - } - } - - _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 void __vdeallocate() _NOEXCEPT; - _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 - static size_type __align_it(size_type __new_size) _NOEXCEPT - {return (__new_size + (__bits_per_word-1)) & ~((size_type)__bits_per_word-1);} - _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 size_type __recommend(size_type __new_size) const; - _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 void __construct_at_end(size_type __n, bool __x); - template - typename enable_if - < - __is_cpp17_forward_iterator<_ForwardIterator>::value, - void - >::type - _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 __construct_at_end(_ForwardIterator __first, _ForwardIterator __last); - _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 void __append(size_type __n, const_reference __x); - _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 - reference __make_ref(size_type __pos) _NOEXCEPT - {return reference(__begin_ + __pos / __bits_per_word, __storage_type(1) << __pos % __bits_per_word);} - _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 - const_reference __make_ref(size_type __pos) const _NOEXCEPT { - return __bit_const_reference(__begin_ + __pos / __bits_per_word, - __storage_type(1) << __pos % __bits_per_word); - } - _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 - iterator __make_iter(size_type __pos) _NOEXCEPT - {return iterator(__begin_ + __pos / __bits_per_word, static_cast(__pos % __bits_per_word));} - _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 - const_iterator __make_iter(size_type __pos) const _NOEXCEPT - {return const_iterator(__begin_ + __pos / __bits_per_word, static_cast(__pos % __bits_per_word));} - _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 - iterator __const_iterator_cast(const_iterator __p) _NOEXCEPT - {return begin() + (__p - cbegin());} - - _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 - void __copy_assign_alloc(const vector& __v) - {__copy_assign_alloc(__v, integral_constant());} - _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 - void __copy_assign_alloc(const vector& __c, true_type) - { - if (__alloc() != __c.__alloc()) - __vdeallocate(); - __alloc() = __c.__alloc(); - } - - _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 - void __copy_assign_alloc(const vector&, false_type) - {} - - _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 void __move_assign(vector& __c, false_type); - _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 void __move_assign(vector& __c, true_type) - _NOEXCEPT_(is_nothrow_move_assignable::value); - _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 - void __move_assign_alloc(vector& __c) - _NOEXCEPT_( - !__storage_traits::propagate_on_container_move_assignment::value || - is_nothrow_move_assignable::value) - {__move_assign_alloc(__c, integral_constant());} - _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 - void __move_assign_alloc(vector& __c, true_type) - _NOEXCEPT_(is_nothrow_move_assignable::value) - { - __alloc() = std::move(__c.__alloc()); - } - - _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 - void __move_assign_alloc(vector&, false_type) - _NOEXCEPT - {} - - _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 size_t __hash_code() const _NOEXCEPT; - - friend class __bit_reference; - friend class __bit_const_reference; - friend class __bit_iterator; - friend class __bit_iterator; - friend struct __bit_array; - friend struct _LIBCPP_TEMPLATE_VIS hash; -}; - -template -_LIBCPP_CONSTEXPR_SINCE_CXX20 void -vector::__vdeallocate() _NOEXCEPT -{ - if (this->__begin_ != nullptr) - { - __storage_traits::deallocate(this->__alloc(), this->__begin_, __cap()); - std::__debug_db_invalidate_all(this); - this->__begin_ = nullptr; - this->__size_ = this->__cap() = 0; - } -} - -template -_LIBCPP_CONSTEXPR_SINCE_CXX20 -typename vector::size_type -vector::max_size() const _NOEXCEPT -{ - size_type __amax = __storage_traits::max_size(__alloc()); - size_type __nmax = numeric_limits::max() / 2; // end() >= begin(), always - if (__nmax / __bits_per_word <= __amax) - return __nmax; - return __internal_cap_to_external(__amax); -} - -// Precondition: __new_size > capacity() -template -inline _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 -typename vector::size_type -vector::__recommend(size_type __new_size) const -{ - const size_type __ms = max_size(); - if (__new_size > __ms) - this->__throw_length_error(); - const size_type __cap = capacity(); - if (__cap >= __ms / 2) - return __ms; - return std::max(2 * __cap, __align_it(__new_size)); -} - -// Default constructs __n objects starting at __end_ -// Precondition: __n > 0 -// Precondition: size() + __n <= capacity() -// Postcondition: size() == size() + __n -template -inline _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 -void -vector::__construct_at_end(size_type __n, bool __x) -{ - size_type __old_size = this->__size_; - this->__size_ += __n; - if (__old_size == 0 || ((__old_size - 1) / __bits_per_word) != ((this->__size_ - 1) / __bits_per_word)) - { - if (this->__size_ <= __bits_per_word) - this->__begin_[0] = __storage_type(0); - else - this->__begin_[(this->__size_ - 1) / __bits_per_word] = __storage_type(0); - } - std::fill_n(__make_iter(__old_size), __n, __x); -} - -template -template -_LIBCPP_CONSTEXPR_SINCE_CXX20 -typename enable_if -< - __is_cpp17_forward_iterator<_ForwardIterator>::value, - void ->::type -vector::__construct_at_end(_ForwardIterator __first, _ForwardIterator __last) -{ - size_type __old_size = this->__size_; - this->__size_ += std::distance(__first, __last); - if (__old_size == 0 || ((__old_size - 1) / __bits_per_word) != ((this->__size_ - 1) / __bits_per_word)) - { - if (this->__size_ <= __bits_per_word) - this->__begin_[0] = __storage_type(0); - else - this->__begin_[(this->__size_ - 1) / __bits_per_word] = __storage_type(0); - } - std::copy(__first, __last, __make_iter(__old_size)); -} - -template -inline _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 -vector::vector() - _NOEXCEPT_(is_nothrow_default_constructible::value) - : __begin_(nullptr), - __size_(0), - __cap_alloc_(0, __default_init_tag()) -{ -} - -template -inline _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 -vector::vector(const allocator_type& __a) -#if _LIBCPP_STD_VER <= 14 - _NOEXCEPT_(is_nothrow_copy_constructible::value) -#else - _NOEXCEPT -#endif - : __begin_(nullptr), - __size_(0), - __cap_alloc_(0, static_cast<__storage_allocator>(__a)) -{ -} - -template -_LIBCPP_CONSTEXPR_SINCE_CXX20 -vector::vector(size_type __n) - : __begin_(nullptr), - __size_(0), - __cap_alloc_(0, __default_init_tag()) -{ - if (__n > 0) - { - __vallocate(__n); - __construct_at_end(__n, false); - } -} - -#if _LIBCPP_STD_VER >= 14 -template -_LIBCPP_CONSTEXPR_SINCE_CXX20 -vector::vector(size_type __n, const allocator_type& __a) - : __begin_(nullptr), - __size_(0), - __cap_alloc_(0, static_cast<__storage_allocator>(__a)) -{ - if (__n > 0) - { - __vallocate(__n); - __construct_at_end(__n, false); - } -} -#endif - -template -_LIBCPP_CONSTEXPR_SINCE_CXX20 -vector::vector(size_type __n, const value_type& __x) - : __begin_(nullptr), - __size_(0), - __cap_alloc_(0, __default_init_tag()) -{ - if (__n > 0) - { - __vallocate(__n); - __construct_at_end(__n, __x); - } -} - -template -_LIBCPP_CONSTEXPR_SINCE_CXX20 -vector::vector(size_type __n, const value_type& __x, const allocator_type& __a) - : __begin_(nullptr), - __size_(0), - __cap_alloc_(0, static_cast<__storage_allocator>(__a)) -{ - if (__n > 0) - { - __vallocate(__n); - __construct_at_end(__n, __x); - } -} - -template -template -_LIBCPP_CONSTEXPR_SINCE_CXX20 -vector::vector(_InputIterator __first, _InputIterator __last, - typename enable_if<__is_exactly_cpp17_input_iterator<_InputIterator>::value>::type*) - : __begin_(nullptr), - __size_(0), - __cap_alloc_(0, __default_init_tag()) -{ -#ifndef _LIBCPP_HAS_NO_EXCEPTIONS - try - { -#endif // _LIBCPP_HAS_NO_EXCEPTIONS - for (; __first != __last; ++__first) - push_back(*__first); -#ifndef _LIBCPP_HAS_NO_EXCEPTIONS - } - catch (...) - { - if (__begin_ != nullptr) - __storage_traits::deallocate(__alloc(), __begin_, __cap()); - std::__debug_db_invalidate_all(this); - throw; - } -#endif // _LIBCPP_HAS_NO_EXCEPTIONS -} - -template -template -_LIBCPP_CONSTEXPR_SINCE_CXX20 -vector::vector(_InputIterator __first, _InputIterator __last, const allocator_type& __a, - typename enable_if<__is_exactly_cpp17_input_iterator<_InputIterator>::value>::type*) - : __begin_(nullptr), - __size_(0), - __cap_alloc_(0, static_cast<__storage_allocator>(__a)) -{ -#ifndef _LIBCPP_HAS_NO_EXCEPTIONS - try - { -#endif // _LIBCPP_HAS_NO_EXCEPTIONS - for (; __first != __last; ++__first) - push_back(*__first); -#ifndef _LIBCPP_HAS_NO_EXCEPTIONS - } - catch (...) - { - if (__begin_ != nullptr) - __storage_traits::deallocate(__alloc(), __begin_, __cap()); - std::__debug_db_invalidate_all(this); - throw; - } -#endif // _LIBCPP_HAS_NO_EXCEPTIONS -} - -template -template -_LIBCPP_CONSTEXPR_SINCE_CXX20 -vector::vector(_ForwardIterator __first, _ForwardIterator __last, - typename enable_if<__is_cpp17_forward_iterator<_ForwardIterator>::value>::type*) - : __begin_(nullptr), - __size_(0), - __cap_alloc_(0, __default_init_tag()) -{ - auto __guard = std::__make_exception_guard(__destroy_vector(*this)); - size_type __n = static_cast(std::distance(__first, __last)); - if (__n > 0) - { - __vallocate(__n); - __construct_at_end(__first, __last); - } - __guard.__complete(); -} - -template -template -_LIBCPP_CONSTEXPR_SINCE_CXX20 -vector::vector(_ForwardIterator __first, _ForwardIterator __last, const allocator_type& __a, - typename enable_if<__is_cpp17_forward_iterator<_ForwardIterator>::value>::type*) - : __begin_(nullptr), - __size_(0), - __cap_alloc_(0, static_cast<__storage_allocator>(__a)) -{ - auto __guard = std::__make_exception_guard(__destroy_vector(*this)); - size_type __n = static_cast(std::distance(__first, __last)); - if (__n > 0) - { - __vallocate(__n); - __construct_at_end(__first, __last); - } - __guard.__complete(); -} - -#ifndef _LIBCPP_CXX03_LANG - -template -_LIBCPP_CONSTEXPR_SINCE_CXX20 -vector::vector(initializer_list __il) - : __begin_(nullptr), - __size_(0), - __cap_alloc_(0, __default_init_tag()) -{ - size_type __n = static_cast(__il.size()); - if (__n > 0) - { - __vallocate(__n); - __construct_at_end(__il.begin(), __il.end()); - } -} - -template -_LIBCPP_CONSTEXPR_SINCE_CXX20 -vector::vector(initializer_list __il, const allocator_type& __a) - : __begin_(nullptr), - __size_(0), - __cap_alloc_(0, static_cast<__storage_allocator>(__a)) -{ - size_type __n = static_cast(__il.size()); - if (__n > 0) - { - __vallocate(__n); - __construct_at_end(__il.begin(), __il.end()); - } -} - -#endif // _LIBCPP_CXX03_LANG - -template -_LIBCPP_CONSTEXPR_SINCE_CXX20 -vector::vector(const vector& __v) - : __begin_(nullptr), - __size_(0), - __cap_alloc_(0, __storage_traits::select_on_container_copy_construction(__v.__alloc())) -{ - if (__v.size() > 0) - { - __vallocate(__v.size()); - __construct_at_end(__v.begin(), __v.end()); - } -} - -template -_LIBCPP_CONSTEXPR_SINCE_CXX20 -vector::vector(const vector& __v, const allocator_type& __a) - : __begin_(nullptr), - __size_(0), - __cap_alloc_(0, __a) -{ - if (__v.size() > 0) - { - __vallocate(__v.size()); - __construct_at_end(__v.begin(), __v.end()); - } -} - -template -_LIBCPP_CONSTEXPR_SINCE_CXX20 -vector& -vector::operator=(const vector& __v) -{ - if (this != std::addressof(__v)) - { - __copy_assign_alloc(__v); - if (__v.__size_) - { - if (__v.__size_ > capacity()) - { - __vdeallocate(); - __vallocate(__v.__size_); - } - std::copy(__v.__begin_, __v.__begin_ + __external_cap_to_internal(__v.__size_), __begin_); - } - __size_ = __v.__size_; - } - return *this; -} - -template -inline _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 vector::vector(vector&& __v) -#if _LIBCPP_STD_VER >= 17 - _NOEXCEPT -#else - _NOEXCEPT_(is_nothrow_move_constructible::value) -#endif - : __begin_(__v.__begin_), - __size_(__v.__size_), - __cap_alloc_(std::move(__v.__cap_alloc_)) { - __v.__begin_ = nullptr; - __v.__size_ = 0; - __v.__cap() = 0; -} - -template -_LIBCPP_CONSTEXPR_SINCE_CXX20 -vector::vector(vector&& __v, const __type_identity_t& __a) - : __begin_(nullptr), - __size_(0), - __cap_alloc_(0, __a) -{ - if (__a == allocator_type(__v.__alloc())) - { - this->__begin_ = __v.__begin_; - this->__size_ = __v.__size_; - this->__cap() = __v.__cap(); - __v.__begin_ = nullptr; - __v.__cap() = __v.__size_ = 0; - } - else if (__v.size() > 0) - { - __vallocate(__v.size()); - __construct_at_end(__v.begin(), __v.end()); - } -} - -template -inline _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 -vector& -vector::operator=(vector&& __v) - _NOEXCEPT_((__noexcept_move_assign_container<_Allocator, __alloc_traits>::value)) -{ - __move_assign(__v, integral_constant()); - return *this; -} - -template -_LIBCPP_CONSTEXPR_SINCE_CXX20 void -vector::__move_assign(vector& __c, false_type) -{ - if (__alloc() != __c.__alloc()) - assign(__c.begin(), __c.end()); - else - __move_assign(__c, true_type()); -} - -template -_LIBCPP_CONSTEXPR_SINCE_CXX20 void -vector::__move_assign(vector& __c, true_type) - _NOEXCEPT_(is_nothrow_move_assignable::value) -{ - __vdeallocate(); - __move_assign_alloc(__c); - this->__begin_ = __c.__begin_; - this->__size_ = __c.__size_; - this->__cap() = __c.__cap(); - __c.__begin_ = nullptr; - __c.__cap() = __c.__size_ = 0; -} - -template -_LIBCPP_CONSTEXPR_SINCE_CXX20 void -vector::assign(size_type __n, const value_type& __x) -{ - __size_ = 0; - if (__n > 0) - { - size_type __c = capacity(); - if (__n <= __c) - __size_ = __n; - else - { - vector __v(get_allocator()); - __v.reserve(__recommend(__n)); - __v.__size_ = __n; - swap(__v); - } - std::fill_n(begin(), __n, __x); - } - std::__debug_db_invalidate_all(this); -} - -template -template -_LIBCPP_CONSTEXPR_SINCE_CXX20 typename enable_if <__is_exactly_cpp17_input_iterator<_InputIterator>::value, - void ->::type -vector::assign(_InputIterator __first, _InputIterator __last) -{ - clear(); - for (; __first != __last; ++__first) - push_back(*__first); -} - -template -template -_LIBCPP_CONSTEXPR_SINCE_CXX20 -typename enable_if -< - __is_cpp17_forward_iterator<_ForwardIterator>::value, - void ->::type -vector::assign(_ForwardIterator __first, _ForwardIterator __last) -{ - clear(); - difference_type __ns = std::distance(__first, __last); - _LIBCPP_ASSERT(__ns >= 0, "invalid range specified"); - const size_t __n = static_cast(__ns); - if (__n) - { - if (__n > capacity()) - { - __vdeallocate(); - __vallocate(__n); - } - __construct_at_end(__first, __last); - } -} - -template -_LIBCPP_CONSTEXPR_SINCE_CXX20 void -vector::reserve(size_type __n) -{ - if (__n > capacity()) - { - if (__n > max_size()) - this->__throw_length_error(); - vector __v(this->get_allocator()); - __v.__vallocate(__n); - __v.__construct_at_end(this->begin(), this->end()); - swap(__v); - std::__debug_db_invalidate_all(this); - } -} - -template -_LIBCPP_CONSTEXPR_SINCE_CXX20 void -vector::shrink_to_fit() _NOEXCEPT -{ - if (__external_cap_to_internal(size()) > __cap()) - { -#ifndef _LIBCPP_HAS_NO_EXCEPTIONS - try - { -#endif // _LIBCPP_HAS_NO_EXCEPTIONS - vector(*this, allocator_type(__alloc())).swap(*this); -#ifndef _LIBCPP_HAS_NO_EXCEPTIONS - } - catch (...) - { - } -#endif // _LIBCPP_HAS_NO_EXCEPTIONS - } -} - -template -typename vector::reference -vector::at(size_type __n) -{ - if (__n >= size()) - this->__throw_out_of_range(); - return (*this)[__n]; -} - -template -typename vector::const_reference -vector::at(size_type __n) const -{ - if (__n >= size()) - this->__throw_out_of_range(); - return (*this)[__n]; -} - -template -_LIBCPP_CONSTEXPR_SINCE_CXX20 void -vector::push_back(const value_type& __x) -{ - if (this->__size_ == this->capacity()) - reserve(__recommend(this->__size_ + 1)); - ++this->__size_; - back() = __x; -} - -template -_LIBCPP_CONSTEXPR_SINCE_CXX20 typename vector::iterator -vector::insert(const_iterator __position, const value_type& __x) -{ - iterator __r; - if (size() < capacity()) - { - const_iterator __old_end = end(); - ++__size_; - std::copy_backward(__position, __old_end, end()); - __r = __const_iterator_cast(__position); - } - else - { - vector __v(get_allocator()); - __v.reserve(__recommend(__size_ + 1)); - __v.__size_ = __size_ + 1; - __r = std::copy(cbegin(), __position, __v.begin()); - std::copy_backward(__position, cend(), __v.end()); - swap(__v); - } - *__r = __x; - return __r; -} - -template -_LIBCPP_CONSTEXPR_SINCE_CXX20 typename vector::iterator -vector::insert(const_iterator __position, size_type __n, const value_type& __x) -{ - iterator __r; - size_type __c = capacity(); - if (__n <= __c && size() <= __c - __n) - { - const_iterator __old_end = end(); - __size_ += __n; - std::copy_backward(__position, __old_end, end()); - __r = __const_iterator_cast(__position); - } - else - { - vector __v(get_allocator()); - __v.reserve(__recommend(__size_ + __n)); - __v.__size_ = __size_ + __n; - __r = std::copy(cbegin(), __position, __v.begin()); - std::copy_backward(__position, cend(), __v.end()); - swap(__v); - } - std::fill_n(__r, __n, __x); - return __r; -} - -template -template -_LIBCPP_CONSTEXPR_SINCE_CXX20 typename enable_if <__is_exactly_cpp17_input_iterator<_InputIterator>::value, - typename vector::iterator ->::type -vector::insert(const_iterator __position, _InputIterator __first, _InputIterator __last) -{ - difference_type __off = __position - begin(); - iterator __p = __const_iterator_cast(__position); - iterator __old_end = end(); - for (; size() != capacity() && __first != __last; ++__first) - { - ++this->__size_; - back() = *__first; - } - vector __v(get_allocator()); - if (__first != __last) - { -#ifndef _LIBCPP_HAS_NO_EXCEPTIONS - try - { -#endif // _LIBCPP_HAS_NO_EXCEPTIONS - __v.assign(__first, __last); - difference_type __old_size = static_cast(__old_end - begin()); - difference_type __old_p = __p - begin(); - reserve(__recommend(size() + __v.size())); - __p = begin() + __old_p; - __old_end = begin() + __old_size; -#ifndef _LIBCPP_HAS_NO_EXCEPTIONS - } - catch (...) - { - erase(__old_end, end()); - throw; - } -#endif // _LIBCPP_HAS_NO_EXCEPTIONS - } - __p = std::rotate(__p, __old_end, end()); - insert(__p, __v.begin(), __v.end()); - return begin() + __off; -} - -template -template -_LIBCPP_CONSTEXPR_SINCE_CXX20 -typename enable_if -< - __is_cpp17_forward_iterator<_ForwardIterator>::value, - typename vector::iterator ->::type -vector::insert(const_iterator __position, _ForwardIterator __first, _ForwardIterator __last) -{ - const difference_type __n_signed = std::distance(__first, __last); - _LIBCPP_ASSERT(__n_signed >= 0, "invalid range specified"); - const size_type __n = static_cast(__n_signed); - iterator __r; - size_type __c = capacity(); - if (__n <= __c && size() <= __c - __n) - { - const_iterator __old_end = end(); - __size_ += __n; - std::copy_backward(__position, __old_end, end()); - __r = __const_iterator_cast(__position); - } - else - { - vector __v(get_allocator()); - __v.reserve(__recommend(__size_ + __n)); - __v.__size_ = __size_ + __n; - __r = std::copy(cbegin(), __position, __v.begin()); - std::copy_backward(__position, cend(), __v.end()); - swap(__v); - } - std::copy(__first, __last, __r); - return __r; -} - -template -inline _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 -typename vector::iterator -vector::erase(const_iterator __position) -{ - iterator __r = __const_iterator_cast(__position); - std::copy(__position + 1, this->cend(), __r); - --__size_; - return __r; -} - -template -_LIBCPP_CONSTEXPR_SINCE_CXX20 -typename vector::iterator -vector::erase(const_iterator __first, const_iterator __last) -{ - iterator __r = __const_iterator_cast(__first); - difference_type __d = __last - __first; - std::copy(__last, this->cend(), __r); - __size_ -= __d; - return __r; -} - -template -_LIBCPP_CONSTEXPR_SINCE_CXX20 void -vector::swap(vector& __x) -#if _LIBCPP_STD_VER >= 14 - _NOEXCEPT -#else - _NOEXCEPT_(!__alloc_traits::propagate_on_container_swap::value || - __is_nothrow_swappable::value) -#endif -{ - std::swap(this->__begin_, __x.__begin_); - std::swap(this->__size_, __x.__size_); - std::swap(this->__cap(), __x.__cap()); - std::__swap_allocator(this->__alloc(), __x.__alloc(), - integral_constant()); -} - -template -_LIBCPP_CONSTEXPR_SINCE_CXX20 void -vector::resize(size_type __sz, value_type __x) -{ - size_type __cs = size(); - if (__cs < __sz) - { - iterator __r; - size_type __c = capacity(); - size_type __n = __sz - __cs; - if (__n <= __c && __cs <= __c - __n) - { - __r = end(); - __size_ += __n; - } - else - { - vector __v(get_allocator()); - __v.reserve(__recommend(__size_ + __n)); - __v.__size_ = __size_ + __n; - __r = std::copy(cbegin(), cend(), __v.begin()); - swap(__v); - } - std::fill_n(__r, __n, __x); - } - else - __size_ = __sz; -} - -template -_LIBCPP_CONSTEXPR_SINCE_CXX20 void -vector::flip() _NOEXCEPT -{ - // do middle whole words - size_type __n = __size_; - __storage_pointer __p = __begin_; - for (; __n >= __bits_per_word; ++__p, __n -= __bits_per_word) - *__p = ~*__p; - // do last partial word - if (__n > 0) - { - __storage_type __m = ~__storage_type(0) >> (__bits_per_word - __n); - __storage_type __b = *__p & __m; - *__p &= ~__m; - *__p |= ~__b & __m; - } -} - -template -_LIBCPP_CONSTEXPR_SINCE_CXX20 bool -vector::__invariants() const -{ - if (this->__begin_ == nullptr) - { - if (this->__size_ != 0 || this->__cap() != 0) - return false; - } - else - { - if (this->__cap() == 0) - return false; - if (this->__size_ > this->capacity()) - return false; - } - return true; -} - -template -_LIBCPP_CONSTEXPR_SINCE_CXX20 size_t -vector::__hash_code() const _NOEXCEPT -{ - size_t __h = 0; - // do middle whole words - size_type __n = __size_; - __storage_pointer __p = __begin_; - for (; __n >= __bits_per_word; ++__p, __n -= __bits_per_word) - __h ^= *__p; - // do last partial word - if (__n > 0) - { - const __storage_type __m = ~__storage_type(0) >> (__bits_per_word - __n); - __h ^= *__p & __m; - } - return __h; -} - -template -struct _LIBCPP_TEMPLATE_VIS hash > - : public __unary_function, size_t> -{ - _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 - size_t operator()(const vector& __vec) const _NOEXCEPT - {return __vec.__hash_code();} -}; - -template -_LIBCPP_CONSTEXPR_SINCE_CXX20 -inline _LIBCPP_HIDE_FROM_ABI -bool -operator==(const vector<_Tp, _Allocator>& __x, const vector<_Tp, _Allocator>& __y) -{ - const typename vector<_Tp, _Allocator>::size_type __sz = __x.size(); - return __sz == __y.size() && std::equal(__x.begin(), __x.end(), __y.begin()); -} - -template -_LIBCPP_CONSTEXPR_SINCE_CXX20 -inline _LIBCPP_HIDE_FROM_ABI -bool -operator!=(const vector<_Tp, _Allocator>& __x, const vector<_Tp, _Allocator>& __y) -{ - return !(__x == __y); -} - -template -_LIBCPP_CONSTEXPR_SINCE_CXX20 -inline _LIBCPP_HIDE_FROM_ABI -bool -operator< (const vector<_Tp, _Allocator>& __x, const vector<_Tp, _Allocator>& __y) -{ - return std::lexicographical_compare(__x.begin(), __x.end(), __y.begin(), __y.end()); -} - -template -_LIBCPP_CONSTEXPR_SINCE_CXX20 -inline _LIBCPP_HIDE_FROM_ABI -bool -operator> (const vector<_Tp, _Allocator>& __x, const vector<_Tp, _Allocator>& __y) -{ - return __y < __x; -} - -template -_LIBCPP_CONSTEXPR_SINCE_CXX20 -inline _LIBCPP_HIDE_FROM_ABI -bool -operator>=(const vector<_Tp, _Allocator>& __x, const vector<_Tp, _Allocator>& __y) -{ - return !(__x < __y); -} - -template -_LIBCPP_CONSTEXPR_SINCE_CXX20 -inline _LIBCPP_HIDE_FROM_ABI -bool -operator<=(const vector<_Tp, _Allocator>& __x, const vector<_Tp, _Allocator>& __y) -{ - return !(__y < __x); -} - -template -_LIBCPP_CONSTEXPR_SINCE_CXX20 -inline _LIBCPP_HIDE_FROM_ABI -void -swap(vector<_Tp, _Allocator>& __x, vector<_Tp, _Allocator>& __y) - _NOEXCEPT_(_NOEXCEPT_(__x.swap(__y))) -{ - __x.swap(__y); -} - -#if _LIBCPP_STD_VER >= 20 -template -_LIBCPP_CONSTEXPR_SINCE_CXX20 -inline _LIBCPP_HIDE_FROM_ABI typename vector<_Tp, _Allocator>::size_type -erase(vector<_Tp, _Allocator>& __c, const _Up& __v) { - auto __old_size = __c.size(); - __c.erase(std::remove(__c.begin(), __c.end(), __v), __c.end()); - return __old_size - __c.size(); -} - -template -_LIBCPP_CONSTEXPR_SINCE_CXX20 -inline _LIBCPP_HIDE_FROM_ABI typename vector<_Tp, _Allocator>::size_type -erase_if(vector<_Tp, _Allocator>& __c, _Predicate __pred) { - auto __old_size = __c.size(); - __c.erase(std::remove_if(__c.begin(), __c.end(), __pred), __c.end()); - return __old_size - __c.size(); -} - -template <> -inline constexpr bool __format::__enable_insertable> = true; -#ifndef _LIBCPP_HAS_NO_WIDE_CHARACTERS -template <> -inline constexpr bool __format::__enable_insertable> = true; -#endif - -#endif // _LIBCPP_STD_VER >= 20 - -#if _LIBCPP_STD_VER >= 23 -template -// Since is-vector-bool-reference is only used once it's inlined here. - requires same_as> -struct _LIBCPP_TEMPLATE_VIS _LIBCPP_AVAILABILITY_FORMAT formatter<_Tp, CharT> { -private: - formatter __underlying_; - -public: - template - _LIBCPP_HIDE_FROM_ABI constexpr typename _ParseContext::iterator parse(_ParseContext& __ctx) { - return __underlying_.parse(__ctx); - } - - template - _LIBCPP_HIDE_FROM_ABI typename _FormatContext::iterator format(const _Tp& __ref, _FormatContext& __ctx) const { - return __underlying_.format(__ref, __ctx); - } -}; -#endif // _LIBCPP_STD_VER >= 23 - -_LIBCPP_END_NAMESPACE_STD +_LIBCPP_BEGIN_NAMESPACE_STD #if _LIBCPP_STD_VER >= 17 -_LIBCPP_BEGIN_NAMESPACE_STD namespace pmr { template using vector = std::vector<_ValueT, polymorphic_allocator<_ValueT>>; } // namespace pmr -_LIBCPP_END_NAMESPACE_STD #endif -_LIBCPP_POP_MACROS +_LIBCPP_END_NAMESPACE_STD #if !defined(_LIBCPP_REMOVE_TRANSITIVE_INCLUDES) && _LIBCPP_STD_VER <= 20 # include diff --git a/libcxx/test/libcxx/containers/sequences/vector/robust_against_adl.pass.cpp b/libcxx/test/libcxx/containers/sequences/vector/robust_against_adl.pass.cpp --- a/libcxx/test/libcxx/containers/sequences/vector/robust_against_adl.pass.cpp +++ b/libcxx/test/libcxx/containers/sequences/vector/robust_against_adl.pass.cpp @@ -11,6 +11,7 @@ // #include +#include #include #include "test_macros.h" diff --git a/libcxx/test/libcxx/private_headers.verify.cpp b/libcxx/test/libcxx/private_headers.verify.cpp --- a/libcxx/test/libcxx/private_headers.verify.cpp +++ b/libcxx/test/libcxx/private_headers.verify.cpp @@ -754,4 +754,6 @@ #include <__utility/to_underlying.h> // expected-error@*:* {{use of private header from outside its module: '__utility/to_underlying.h'}} #include <__utility/unreachable.h> // expected-error@*:* {{use of private header from outside its module: '__utility/unreachable.h'}} #include <__variant/monostate.h> // expected-error@*:* {{use of private header from outside its module: '__variant/monostate.h'}} +#include <__vector/bool.h> // expected-error@*:* {{use of private header from outside its module: '__vector/bool.h'}} +#include <__vector/vector.h> // expected-error@*:* {{use of private header from outside its module: '__vector/vector.h'}} // GENERATED-MARKER diff --git a/libcxx/test/std/containers/sequences/vector.bool/ctor_exceptions.pass.cpp b/libcxx/test/std/containers/sequences/vector.bool/ctor_exceptions.pass.cpp --- a/libcxx/test/std/containers/sequences/vector.bool/ctor_exceptions.pass.cpp +++ b/libcxx/test/std/containers/sequences/vector.bool/ctor_exceptions.pass.cpp @@ -13,6 +13,7 @@ #include #include +#include #include #include "count_new.h" diff --git a/libcxx/test/std/containers/sequences/vector.bool/reference/assign_copy.pass.cpp b/libcxx/test/std/containers/sequences/vector.bool/reference/assign_copy.pass.cpp --- a/libcxx/test/std/containers/sequences/vector.bool/reference/assign_copy.pass.cpp +++ b/libcxx/test/std/containers/sequences/vector.bool/reference/assign_copy.pass.cpp @@ -12,6 +12,7 @@ #include #include +#include #include "test_macros.h" diff --git a/libcxx/test/std/containers/sequences/vector/vector.cons/assign_move.addressof.compile.pass.cpp b/libcxx/test/std/containers/sequences/vector/vector.cons/assign_move.addressof.compile.pass.cpp --- a/libcxx/test/std/containers/sequences/vector/vector.cons/assign_move.addressof.compile.pass.cpp +++ b/libcxx/test/std/containers/sequences/vector/vector.cons/assign_move.addressof.compile.pass.cpp @@ -13,6 +13,7 @@ // Validate whether the container can be copy-assigned with an ADL-hijacking operator& #include +#include #include "test_macros.h" #include "operator_hijacker.h" diff --git a/libcxx/test/std/containers/sequences/vector/vector.cons/deduct.pass.cpp b/libcxx/test/std/containers/sequences/vector/vector.cons/deduct.pass.cpp --- a/libcxx/test/std/containers/sequences/vector/vector.cons/deduct.pass.cpp +++ b/libcxx/test/std/containers/sequences/vector/vector.cons/deduct.pass.cpp @@ -14,6 +14,7 @@ // -> vector::value_type, Allocator>; // +#include #include #include #include diff --git a/libcxx/test/std/containers/sequences/vector/vector.cons/exceptions.pass.cpp b/libcxx/test/std/containers/sequences/vector/vector.cons/exceptions.pass.cpp --- a/libcxx/test/std/containers/sequences/vector/vector.cons/exceptions.pass.cpp +++ b/libcxx/test/std/containers/sequences/vector/vector.cons/exceptions.pass.cpp @@ -12,6 +12,7 @@ // Check that vector constructors don't leak memory when an operation inside the constructor throws an exception #include +#include #include #include diff --git a/libcxx/test/std/containers/sequences/vector/vector.cons/move.addressof.compile.pass.cpp b/libcxx/test/std/containers/sequences/vector/vector.cons/move.addressof.compile.pass.cpp --- a/libcxx/test/std/containers/sequences/vector/vector.cons/move.addressof.compile.pass.cpp +++ b/libcxx/test/std/containers/sequences/vector/vector.cons/move.addressof.compile.pass.cpp @@ -15,6 +15,7 @@ // Validate whether the container can be copy-assigned with an ADL-hijacking operator& #include +#include #include "test_macros.h" #include "operator_hijacker.h" diff --git a/libcxx/test/std/ranges/range.adaptors/range.as.rvalue/ctor.pass.cpp b/libcxx/test/std/ranges/range.adaptors/range.as.rvalue/ctor.pass.cpp --- a/libcxx/test/std/ranges/range.adaptors/range.as.rvalue/ctor.pass.cpp +++ b/libcxx/test/std/ranges/range.adaptors/range.as.rvalue/ctor.pass.cpp @@ -13,6 +13,7 @@ #include #include #include +#include #include struct DefaultConstructibleView : std::ranges::view_base { diff --git a/libcxx/test/std/utilities/optional/optional.object/optional.object.assign/emplace_initializer_list.pass.cpp b/libcxx/test/std/utilities/optional/optional.object/optional.object.assign/emplace_initializer_list.pass.cpp --- a/libcxx/test/std/utilities/optional/optional.object/optional.object.assign/emplace_initializer_list.pass.cpp +++ b/libcxx/test/std/utilities/optional/optional.object/optional.object.assign/emplace_initializer_list.pass.cpp @@ -15,6 +15,7 @@ #include #include #include +#include #include #include "test_macros.h" diff --git a/libcxx/test/std/utilities/optional/optional.object/optional.object.ctor/initializer_list.pass.cpp b/libcxx/test/std/utilities/optional/optional.object/optional.object.ctor/initializer_list.pass.cpp --- a/libcxx/test/std/utilities/optional/optional.object/optional.object.ctor/initializer_list.pass.cpp +++ b/libcxx/test/std/utilities/optional/optional.object/optional.object.ctor/initializer_list.pass.cpp @@ -15,6 +15,7 @@ #include #include +#include #include #include diff --git a/libcxx/test/support/nasty_containers.h b/libcxx/test/support/nasty_containers.h --- a/libcxx/test/support/nasty_containers.h +++ b/libcxx/test/support/nasty_containers.h @@ -12,6 +12,7 @@ #include #include #include +#include #include "test_macros.h" diff --git a/libcxx/utils/data/ignore_format.txt b/libcxx/utils/data/ignore_format.txt --- a/libcxx/utils/data/ignore_format.txt +++ b/libcxx/utils/data/ignore_format.txt @@ -773,7 +773,8 @@ libcxx/include/valarray libcxx/include/variant libcxx/include/__variant/monostate.h -libcxx/include/vector +libcxx/include/__vector/bool.h +libcxx/include/__vector/vector.h libcxx/include/__verbose_abort libcxx/include/wchar.h libcxx/include/wctype.h