| // -*- 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_LIST |
| #define _LIBCPP_LIST |
| |
| /* |
| list synopsis |
| |
| namespace std |
| { |
| |
| template <class T, class Alloc = allocator<T> > |
| class list |
| { |
| public: |
| |
| // types: |
| typedef T value_type; |
| typedef Alloc allocator_type; |
| typedef typename allocator_type::reference reference; |
| typedef typename allocator_type::const_reference const_reference; |
| typedef typename allocator_type::pointer pointer; |
| typedef typename allocator_type::const_pointer const_pointer; |
| typedef implementation-defined iterator; |
| typedef implementation-defined const_iterator; |
| typedef implementation-defined size_type; |
| typedef implementation-defined difference_type; |
| typedef reverse_iterator<iterator> reverse_iterator; |
| typedef reverse_iterator<const_iterator> const_reverse_iterator; |
| |
| list() |
| noexcept(is_nothrow_default_constructible<allocator_type>::value); |
| explicit list(const allocator_type& a); |
| explicit list(size_type n); |
| explicit list(size_type n, const allocator_type& a); // C++14 |
| list(size_type n, const value_type& value); |
| list(size_type n, const value_type& value, const allocator_type& a); |
| template <class Iter> |
| list(Iter first, Iter last); |
| template <class Iter> |
| list(Iter first, Iter last, const allocator_type& a); |
| list(const list& x); |
| list(const list&, const allocator_type& a); |
| list(list&& x) |
| noexcept(is_nothrow_move_constructible<allocator_type>::value); |
| list(list&&, const allocator_type& a); |
| list(initializer_list<value_type>); |
| list(initializer_list<value_type>, const allocator_type& a); |
| |
| ~list(); |
| |
| list& operator=(const list& x); |
| list& operator=(list&& x) |
| noexcept( |
| allocator_type::propagate_on_container_move_assignment::value && |
| is_nothrow_move_assignable<allocator_type>::value); |
| list& operator=(initializer_list<value_type>); |
| template <class Iter> |
| void assign(Iter first, Iter last); |
| void assign(size_type n, const value_type& t); |
| void assign(initializer_list<value_type>); |
| |
| 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; |
| |
| reference front(); |
| const_reference front() const; |
| reference back(); |
| const_reference back() const; |
| |
| bool empty() const noexcept; |
| size_type size() const noexcept; |
| size_type max_size() const noexcept; |
| |
| template <class... Args> |
| reference emplace_front(Args&&... args); // reference in C++17 |
| void pop_front(); |
| template <class... Args> |
| reference emplace_back(Args&&... args); // reference in C++17 |
| void pop_back(); |
| void push_front(const value_type& x); |
| void push_front(value_type&& x); |
| void push_back(const value_type& x); |
| void push_back(value_type&& x); |
| template <class... Args> |
| 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 <class Iter> |
| iterator insert(const_iterator position, Iter first, Iter last); |
| iterator insert(const_iterator position, initializer_list<value_type> il); |
| |
| iterator erase(const_iterator position); |
| iterator erase(const_iterator position, const_iterator last); |
| |
| void resize(size_type sz); |
| void resize(size_type sz, const value_type& c); |
| |
| void swap(list&) |
| noexcept(allocator_traits<allocator_type>::is_always_equal::value); // C++17 |
| void clear() noexcept; |
| |
| void splice(const_iterator position, list& x); |
| void splice(const_iterator position, list&& x); |
| void splice(const_iterator position, list& x, const_iterator i); |
| void splice(const_iterator position, list&& x, const_iterator i); |
| void splice(const_iterator position, list& x, const_iterator first, |
| const_iterator last); |
| void splice(const_iterator position, list&& x, const_iterator first, |
| const_iterator last); |
| |
| size_type remove(const value_type& value); // void before C++20 |
| template <class Pred> |
| size_type remove_if(Pred pred); // void before C++20 |
| size_type unique(); // void before C++20 |
| template <class BinaryPredicate> |
| size_type unique(BinaryPredicate binary_pred); // void before C++20 |
| void merge(list& x); |
| void merge(list&& x); |
| template <class Compare> |
| void merge(list& x, Compare comp); |
| template <class Compare> |
| void merge(list&& x, Compare comp); |
| void sort(); |
| template <class Compare> |
| void sort(Compare comp); |
| void reverse() noexcept; |
| }; |
| |
| |
| template <class InputIterator, class Allocator = allocator<typename iterator_traits<InputIterator>::value_type>> |
| list(InputIterator, InputIterator, Allocator = Allocator()) |
| -> list<typename iterator_traits<InputIterator>::value_type, Allocator>; // C++17 |
| |
| template <class T, class Alloc> |
| bool operator==(const list<T,Alloc>& x, const list<T,Alloc>& y); |
| template <class T, class Alloc> |
| bool operator< (const list<T,Alloc>& x, const list<T,Alloc>& y); |
| template <class T, class Alloc> |
| bool operator!=(const list<T,Alloc>& x, const list<T,Alloc>& y); |
| template <class T, class Alloc> |
| bool operator> (const list<T,Alloc>& x, const list<T,Alloc>& y); |
| template <class T, class Alloc> |
| bool operator>=(const list<T,Alloc>& x, const list<T,Alloc>& y); |
| template <class T, class Alloc> |
| bool operator<=(const list<T,Alloc>& x, const list<T,Alloc>& y); |
| |
| template <class T, class Alloc> |
| void swap(list<T,Alloc>& x, list<T,Alloc>& y) |
| noexcept(noexcept(x.swap(y))); |
| |
| template <class T, class Allocator, class U> |
| typename list<T, Allocator>::size_type |
| erase(list<T, Allocator>& c, const U& value); // C++20 |
| template <class T, class Allocator, class Predicate> |
| typename list<T, Allocator>::size_type |
| erase_if(list<T, Allocator>& c, Predicate pred); // C++20 |
| |
| } // std |
| |
| */ |
| |
| #include <__algorithm/comp.h> |
| #include <__algorithm/equal.h> |
| #include <__algorithm/lexicographical_compare.h> |
| #include <__algorithm/min.h> |
| #include <__assert> // all public C++ headers provide the assertion handler |
| #include <__config> |
| #include <__debug> |
| #include <__format/enable_insertable.h> |
| #include <__iterator/distance.h> |
| #include <__iterator/iterator_traits.h> |
| #include <__iterator/move_iterator.h> |
| #include <__iterator/next.h> |
| #include <__iterator/prev.h> |
| #include <__iterator/reverse_iterator.h> |
| #include <__memory/addressof.h> |
| #include <__memory/allocator.h> |
| #include <__memory/allocator_destructor.h> |
| #include <__memory/allocator_traits.h> |
| #include <__memory/compressed_pair.h> |
| #include <__memory/pointer_traits.h> |
| #include <__memory/swap_allocator.h> |
| #include <__memory/unique_ptr.h> |
| #include <__memory_resource/polymorphic_allocator.h> |
| #include <__type_traits/is_allocator.h> |
| #include <__utility/forward.h> |
| #include <__utility/move.h> |
| #include <__utility/swap.h> |
| #include <cstring> |
| #include <limits> |
| #include <type_traits> |
| #include <version> |
| |
| // 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> |
| |
| // [list.syn] |
| #include <compare> |
| #include <initializer_list> |
| |
| #if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER) |
| # pragma GCC system_header |
| #endif |
| |
| _LIBCPP_PUSH_MACROS |
| #include <__undef_macros> |
| |
| |
| _LIBCPP_BEGIN_NAMESPACE_STD |
| |
| template <class _Tp, class _VoidPtr> struct __list_node; |
| template <class _Tp, class _VoidPtr> struct __list_node_base; |
| |
| template <class _Tp, class _VoidPtr> |
| struct __list_node_pointer_traits { |
| typedef __rebind_pointer_t<_VoidPtr, __list_node<_Tp, _VoidPtr> > |
| __node_pointer; |
| typedef __rebind_pointer_t<_VoidPtr, __list_node_base<_Tp, _VoidPtr> > |
| __base_pointer; |
| |
| #if defined(_LIBCPP_ABI_LIST_REMOVE_NODE_POINTER_UB) |
| typedef __base_pointer __link_pointer; |
| #else |
| typedef __conditional_t<is_pointer<_VoidPtr>::value, __base_pointer, __node_pointer> __link_pointer; |
| #endif |
| |
| typedef __conditional_t<is_same<__link_pointer, __node_pointer>::value, __base_pointer, __node_pointer> |
| __non_link_pointer; |
| |
| static _LIBCPP_INLINE_VISIBILITY |
| __link_pointer __unsafe_link_pointer_cast(__link_pointer __p) { |
| return __p; |
| } |
| |
| static _LIBCPP_INLINE_VISIBILITY |
| __link_pointer __unsafe_link_pointer_cast(__non_link_pointer __p) { |
| return static_cast<__link_pointer>(static_cast<_VoidPtr>(__p)); |
| } |
| |
| }; |
| |
| template <class _Tp, class _VoidPtr> |
| struct __list_node_base |
| { |
| typedef __list_node_pointer_traits<_Tp, _VoidPtr> _NodeTraits; |
| typedef typename _NodeTraits::__node_pointer __node_pointer; |
| typedef typename _NodeTraits::__base_pointer __base_pointer; |
| typedef typename _NodeTraits::__link_pointer __link_pointer; |
| |
| __link_pointer __prev_; |
| __link_pointer __next_; |
| |
| _LIBCPP_INLINE_VISIBILITY |
| __list_node_base() : __prev_(_NodeTraits::__unsafe_link_pointer_cast(__self())), |
| __next_(_NodeTraits::__unsafe_link_pointer_cast(__self())) {} |
| |
| _LIBCPP_INLINE_VISIBILITY |
| __base_pointer __self() { |
| return pointer_traits<__base_pointer>::pointer_to(*this); |
| } |
| |
| _LIBCPP_INLINE_VISIBILITY |
| __node_pointer __as_node() { |
| return static_cast<__node_pointer>(__self()); |
| } |
| }; |
| |
| template <class _Tp, class _VoidPtr> |
| struct _LIBCPP_STANDALONE_DEBUG __list_node |
| : public __list_node_base<_Tp, _VoidPtr> |
| { |
| _Tp __value_; |
| |
| typedef __list_node_base<_Tp, _VoidPtr> __base; |
| typedef typename __base::__link_pointer __link_pointer; |
| |
| _LIBCPP_INLINE_VISIBILITY |
| __link_pointer __as_link() { |
| return static_cast<__link_pointer>(__base::__self()); |
| } |
| }; |
| |
| template <class _Tp, class _Alloc = allocator<_Tp> > class _LIBCPP_TEMPLATE_VIS list; |
| template <class _Tp, class _Alloc> class __list_imp; |
| template <class _Tp, class _VoidPtr> class _LIBCPP_TEMPLATE_VIS __list_const_iterator; |
| |
| template <class _Tp, class _VoidPtr> |
| class _LIBCPP_TEMPLATE_VIS __list_iterator |
| { |
| typedef __list_node_pointer_traits<_Tp, _VoidPtr> _NodeTraits; |
| typedef typename _NodeTraits::__link_pointer __link_pointer; |
| |
| __link_pointer __ptr_; |
| |
| _LIBCPP_INLINE_VISIBILITY |
| explicit __list_iterator(__link_pointer __p, const void* __c) _NOEXCEPT |
| : __ptr_(__p) |
| { |
| (void)__c; |
| #ifdef _LIBCPP_ENABLE_DEBUG_MODE |
| __get_db()->__insert_ic(this, __c); |
| #endif |
| } |
| |
| template<class, class> friend class list; |
| template<class, class> friend class __list_imp; |
| template<class, class> friend class __list_const_iterator; |
| public: |
| typedef bidirectional_iterator_tag iterator_category; |
| typedef _Tp value_type; |
| typedef value_type& reference; |
| typedef __rebind_pointer_t<_VoidPtr, value_type> pointer; |
| typedef typename pointer_traits<pointer>::difference_type difference_type; |
| |
| _LIBCPP_INLINE_VISIBILITY |
| __list_iterator() _NOEXCEPT : __ptr_(nullptr) |
| { |
| _VSTD::__debug_db_insert_i(this); |
| } |
| |
| #ifdef _LIBCPP_ENABLE_DEBUG_MODE |
| |
| _LIBCPP_INLINE_VISIBILITY |
| __list_iterator(const __list_iterator& __p) |
| : __ptr_(__p.__ptr_) |
| { |
| __get_db()->__iterator_copy(this, _VSTD::addressof(__p)); |
| } |
| |
| _LIBCPP_INLINE_VISIBILITY |
| ~__list_iterator() |
| { |
| __get_db()->__erase_i(this); |
| } |
| |
| _LIBCPP_INLINE_VISIBILITY |
| __list_iterator& operator=(const __list_iterator& __p) |
| { |
| if (this != _VSTD::addressof(__p)) |
| { |
| __get_db()->__iterator_copy(this, _VSTD::addressof(__p)); |
| __ptr_ = __p.__ptr_; |
| } |
| return *this; |
| } |
| |
| #endif // _LIBCPP_ENABLE_DEBUG_MODE |
| |
| _LIBCPP_INLINE_VISIBILITY |
| reference operator*() const |
| { |
| _LIBCPP_DEBUG_ASSERT(__get_const_db()->__dereferenceable(this), |
| "Attempted to dereference a non-dereferenceable list::iterator"); |
| return __ptr_->__as_node()->__value_; |
| } |
| _LIBCPP_INLINE_VISIBILITY |
| pointer operator->() const |
| { |
| _LIBCPP_DEBUG_ASSERT(__get_const_db()->__dereferenceable(this), |
| "Attempted to dereference a non-dereferenceable list::iterator"); |
| return pointer_traits<pointer>::pointer_to(__ptr_->__as_node()->__value_); |
| } |
| |
| _LIBCPP_INLINE_VISIBILITY |
| __list_iterator& operator++() |
| { |
| _LIBCPP_DEBUG_ASSERT(__get_const_db()->__dereferenceable(this), |
| "Attempted to increment a non-incrementable list::iterator"); |
| __ptr_ = __ptr_->__next_; |
| return *this; |
| } |
| _LIBCPP_INLINE_VISIBILITY |
| __list_iterator operator++(int) {__list_iterator __t(*this); ++(*this); return __t;} |
| |
| _LIBCPP_INLINE_VISIBILITY |
| __list_iterator& operator--() |
| { |
| _LIBCPP_DEBUG_ASSERT(__get_const_db()->__decrementable(this), |
| "Attempted to decrement a non-decrementable list::iterator"); |
| __ptr_ = __ptr_->__prev_; |
| return *this; |
| } |
| _LIBCPP_INLINE_VISIBILITY |
| __list_iterator operator--(int) {__list_iterator __t(*this); --(*this); return __t;} |
| |
| friend _LIBCPP_INLINE_VISIBILITY |
| bool operator==(const __list_iterator& __x, const __list_iterator& __y) |
| { |
| return __x.__ptr_ == __y.__ptr_; |
| } |
| friend _LIBCPP_INLINE_VISIBILITY |
| bool operator!=(const __list_iterator& __x, const __list_iterator& __y) |
| {return !(__x == __y);} |
| }; |
| |
| template <class _Tp, class _VoidPtr> |
| class _LIBCPP_TEMPLATE_VIS __list_const_iterator |
| { |
| typedef __list_node_pointer_traits<_Tp, _VoidPtr> _NodeTraits; |
| typedef typename _NodeTraits::__link_pointer __link_pointer; |
| |
| __link_pointer __ptr_; |
| |
| _LIBCPP_INLINE_VISIBILITY |
| explicit __list_const_iterator(__link_pointer __p, const void* __c) _NOEXCEPT |
| : __ptr_(__p) |
| { |
| (void)__c; |
| #ifdef _LIBCPP_ENABLE_DEBUG_MODE |
| __get_db()->__insert_ic(this, __c); |
| #endif |
| } |
| |
| template<class, class> friend class list; |
| template<class, class> friend class __list_imp; |
| public: |
| typedef bidirectional_iterator_tag iterator_category; |
| typedef _Tp value_type; |
| typedef const value_type& reference; |
| typedef __rebind_pointer_t<_VoidPtr, const value_type> pointer; |
| typedef typename pointer_traits<pointer>::difference_type difference_type; |
| |
| _LIBCPP_INLINE_VISIBILITY |
| __list_const_iterator() _NOEXCEPT : __ptr_(nullptr) |
| { |
| _VSTD::__debug_db_insert_i(this); |
| } |
| _LIBCPP_INLINE_VISIBILITY |
| __list_const_iterator(const __list_iterator<_Tp, _VoidPtr>& __p) _NOEXCEPT |
| : __ptr_(__p.__ptr_) |
| { |
| #ifdef _LIBCPP_ENABLE_DEBUG_MODE |
| __get_db()->__iterator_copy(this, _VSTD::addressof(__p)); |
| #endif |
| } |
| |
| #ifdef _LIBCPP_ENABLE_DEBUG_MODE |
| |
| _LIBCPP_INLINE_VISIBILITY |
| __list_const_iterator(const __list_const_iterator& __p) |
| : __ptr_(__p.__ptr_) |
| { |
| __get_db()->__iterator_copy(this, _VSTD::addressof(__p)); |
| } |
| |
| _LIBCPP_INLINE_VISIBILITY |
| ~__list_const_iterator() |
| { |
| __get_db()->__erase_i(this); |
| } |
| |
| _LIBCPP_INLINE_VISIBILITY |
| __list_const_iterator& operator=(const __list_const_iterator& __p) |
| { |
| if (this != _VSTD::addressof(__p)) |
| { |
| __get_db()->__iterator_copy(this, _VSTD::addressof(__p)); |
| __ptr_ = __p.__ptr_; |
| } |
| return *this; |
| } |
| |
| #endif // _LIBCPP_ENABLE_DEBUG_MODE |
| _LIBCPP_INLINE_VISIBILITY |
| reference operator*() const |
| { |
| _LIBCPP_DEBUG_ASSERT(__get_const_db()->__dereferenceable(this), |
| "Attempted to dereference a non-dereferenceable list::const_iterator"); |
| return __ptr_->__as_node()->__value_; |
| } |
| _LIBCPP_INLINE_VISIBILITY |
| pointer operator->() const |
| { |
| _LIBCPP_DEBUG_ASSERT(__get_const_db()->__dereferenceable(this), |
| "Attempted to dereference a non-dereferenceable list::const_iterator"); |
| return pointer_traits<pointer>::pointer_to(__ptr_->__as_node()->__value_); |
| } |
| |
| _LIBCPP_INLINE_VISIBILITY |
| __list_const_iterator& operator++() |
| { |
| _LIBCPP_DEBUG_ASSERT(__get_const_db()->__dereferenceable(this), |
| "Attempted to increment a non-incrementable list::const_iterator"); |
| __ptr_ = __ptr_->__next_; |
| return *this; |
| } |
| _LIBCPP_INLINE_VISIBILITY |
| __list_const_iterator operator++(int) {__list_const_iterator __t(*this); ++(*this); return __t;} |
| |
| _LIBCPP_INLINE_VISIBILITY |
| __list_const_iterator& operator--() |
| { |
| _LIBCPP_DEBUG_ASSERT(__get_const_db()->__decrementable(this), |
| "Attempted to decrement a non-decrementable list::const_iterator"); |
| __ptr_ = __ptr_->__prev_; |
| return *this; |
| } |
| _LIBCPP_INLINE_VISIBILITY |
| __list_const_iterator operator--(int) {__list_const_iterator __t(*this); --(*this); return __t;} |
| |
| friend _LIBCPP_INLINE_VISIBILITY |
| bool operator==(const __list_const_iterator& __x, const __list_const_iterator& __y) |
| { |
| return __x.__ptr_ == __y.__ptr_; |
| } |
| friend _LIBCPP_INLINE_VISIBILITY |
| bool operator!=(const __list_const_iterator& __x, const __list_const_iterator& __y) |
| {return !(__x == __y);} |
| }; |
| |
| template <class _Tp, class _Alloc> |
| class __list_imp |
| { |
| __list_imp(const __list_imp&); |
| __list_imp& operator=(const __list_imp&); |
| public: |
| typedef _Alloc allocator_type; |
| typedef allocator_traits<allocator_type> __alloc_traits; |
| typedef typename __alloc_traits::size_type size_type; |
| protected: |
| typedef _Tp value_type; |
| typedef typename __alloc_traits::void_pointer __void_pointer; |
| typedef __list_iterator<value_type, __void_pointer> iterator; |
| typedef __list_const_iterator<value_type, __void_pointer> const_iterator; |
| typedef __list_node_base<value_type, __void_pointer> __node_base; |
| typedef __list_node<value_type, __void_pointer> __node; |
| typedef __rebind_alloc<__alloc_traits, __node> __node_allocator; |
| typedef allocator_traits<__node_allocator> __node_alloc_traits; |
| typedef typename __node_alloc_traits::pointer __node_pointer; |
| typedef typename __node_alloc_traits::pointer __node_const_pointer; |
| typedef __list_node_pointer_traits<value_type, __void_pointer> __node_pointer_traits; |
| typedef typename __node_pointer_traits::__link_pointer __link_pointer; |
| typedef __link_pointer __link_const_pointer; |
| typedef typename __alloc_traits::pointer pointer; |
| typedef typename __alloc_traits::const_pointer const_pointer; |
| typedef typename __alloc_traits::difference_type difference_type; |
| |
| typedef __rebind_alloc<__alloc_traits, __node_base> __node_base_allocator; |
| typedef typename allocator_traits<__node_base_allocator>::pointer __node_base_pointer; |
| static_assert((!is_same<allocator_type, __node_allocator>::value), |
| "internal allocator type must differ from user-specified " |
| "type; otherwise overload resolution breaks"); |
| |
| __node_base __end_; |
| __compressed_pair<size_type, __node_allocator> __size_alloc_; |
| |
| _LIBCPP_INLINE_VISIBILITY |
| __link_pointer __end_as_link() const _NOEXCEPT { |
| return __node_pointer_traits::__unsafe_link_pointer_cast( |
| const_cast<__node_base&>(__end_).__self()); |
| } |
| |
| _LIBCPP_INLINE_VISIBILITY |
| size_type& __sz() _NOEXCEPT {return __size_alloc_.first();} |
| _LIBCPP_INLINE_VISIBILITY |
| const size_type& __sz() const _NOEXCEPT |
| {return __size_alloc_.first();} |
| _LIBCPP_INLINE_VISIBILITY |
| __node_allocator& __node_alloc() _NOEXCEPT |
| {return __size_alloc_.second();} |
| _LIBCPP_INLINE_VISIBILITY |
| const __node_allocator& __node_alloc() const _NOEXCEPT |
| {return __size_alloc_.second();} |
| |
| _LIBCPP_INLINE_VISIBILITY |
| size_type __node_alloc_max_size() const _NOEXCEPT { |
| return __node_alloc_traits::max_size(__node_alloc()); |
| } |
| _LIBCPP_INLINE_VISIBILITY |
| static void __unlink_nodes(__link_pointer __f, __link_pointer __l) _NOEXCEPT; |
| |
| _LIBCPP_INLINE_VISIBILITY |
| __list_imp() |
| _NOEXCEPT_(is_nothrow_default_constructible<__node_allocator>::value); |
| _LIBCPP_INLINE_VISIBILITY |
| __list_imp(const allocator_type& __a); |
| _LIBCPP_INLINE_VISIBILITY |
| __list_imp(const __node_allocator& __a); |
| #ifndef _LIBCPP_CXX03_LANG |
| __list_imp(__node_allocator&& __a) _NOEXCEPT; |
| #endif |
| ~__list_imp(); |
| void clear() _NOEXCEPT; |
| _LIBCPP_INLINE_VISIBILITY |
| bool empty() const _NOEXCEPT {return __sz() == 0;} |
| |
| _LIBCPP_INLINE_VISIBILITY |
| iterator begin() _NOEXCEPT |
| { |
| return iterator(__end_.__next_, this); |
| } |
| _LIBCPP_INLINE_VISIBILITY |
| const_iterator begin() const _NOEXCEPT |
| { |
| return const_iterator(__end_.__next_, this); |
| } |
| _LIBCPP_INLINE_VISIBILITY |
| iterator end() _NOEXCEPT |
| { |
| return iterator(__end_as_link(), this); |
| } |
| _LIBCPP_INLINE_VISIBILITY |
| const_iterator end() const _NOEXCEPT |
| { |
| return const_iterator(__end_as_link(), this); |
| } |
| |
| void swap(__list_imp& __c) |
| #if _LIBCPP_STD_VER >= 14 |
| _NOEXCEPT; |
| #else |
| _NOEXCEPT_(!__alloc_traits::propagate_on_container_swap::value || |
| __is_nothrow_swappable<allocator_type>::value); |
| #endif |
| |
| _LIBCPP_INLINE_VISIBILITY |
| void __copy_assign_alloc(const __list_imp& __c) |
| {__copy_assign_alloc(__c, integral_constant<bool, |
| __node_alloc_traits::propagate_on_container_copy_assignment::value>());} |
| |
| _LIBCPP_INLINE_VISIBILITY |
| void __move_assign_alloc(__list_imp& __c) |
| _NOEXCEPT_( |
| !__node_alloc_traits::propagate_on_container_move_assignment::value || |
| is_nothrow_move_assignable<__node_allocator>::value) |
| {__move_assign_alloc(__c, integral_constant<bool, |
| __node_alloc_traits::propagate_on_container_move_assignment::value>());} |
| |
| private: |
| _LIBCPP_INLINE_VISIBILITY |
| void __copy_assign_alloc(const __list_imp& __c, true_type) |
| { |
| if (__node_alloc() != __c.__node_alloc()) |
| clear(); |
| __node_alloc() = __c.__node_alloc(); |
| } |
| |
| _LIBCPP_INLINE_VISIBILITY |
| void __copy_assign_alloc(const __list_imp&, false_type) |
| {} |
| |
| _LIBCPP_INLINE_VISIBILITY |
| void __move_assign_alloc(__list_imp& __c, true_type) |
| _NOEXCEPT_(is_nothrow_move_assignable<__node_allocator>::value) |
| { |
| __node_alloc() = _VSTD::move(__c.__node_alloc()); |
| } |
| |
| _LIBCPP_INLINE_VISIBILITY |
| void __move_assign_alloc(__list_imp&, false_type) |
| _NOEXCEPT |
| {} |
| }; |
| |
| // Unlink nodes [__f, __l] |
| template <class _Tp, class _Alloc> |
| inline |
| void |
| __list_imp<_Tp, _Alloc>::__unlink_nodes(__link_pointer __f, __link_pointer __l) |
| _NOEXCEPT |
| { |
| __f->__prev_->__next_ = __l->__next_; |
| __l->__next_->__prev_ = __f->__prev_; |
| } |
| |
| template <class _Tp, class _Alloc> |
| inline |
| __list_imp<_Tp, _Alloc>::__list_imp() |
| _NOEXCEPT_(is_nothrow_default_constructible<__node_allocator>::value) |
| : __size_alloc_(0, __default_init_tag()) |
| { |
| } |
| |
| template <class _Tp, class _Alloc> |
| inline |
| __list_imp<_Tp, _Alloc>::__list_imp(const allocator_type& __a) |
| : __size_alloc_(0, __node_allocator(__a)) |
| { |
| } |
| |
| template <class _Tp, class _Alloc> |
| inline __list_imp<_Tp, _Alloc>::__list_imp(const __node_allocator& __a) |
| : __size_alloc_(0, __a) {} |
| |
| #ifndef _LIBCPP_CXX03_LANG |
| template <class _Tp, class _Alloc> |
| inline __list_imp<_Tp, _Alloc>::__list_imp(__node_allocator&& __a) _NOEXCEPT |
| : __size_alloc_(0, _VSTD::move(__a)) {} |
| #endif |
| |
| template <class _Tp, class _Alloc> |
| __list_imp<_Tp, _Alloc>::~__list_imp() { |
| clear(); |
| std::__debug_db_erase_c(this); |
| } |
| |
| template <class _Tp, class _Alloc> |
| void |
| __list_imp<_Tp, _Alloc>::clear() _NOEXCEPT |
| { |
| if (!empty()) |
| { |
| __node_allocator& __na = __node_alloc(); |
| __link_pointer __f = __end_.__next_; |
| __link_pointer __l = __end_as_link(); |
| __unlink_nodes(__f, __l->__prev_); |
| __sz() = 0; |
| while (__f != __l) |
| { |
| __node_pointer __np = __f->__as_node(); |
| __f = __f->__next_; |
| __node_alloc_traits::destroy(__na, _VSTD::addressof(__np->__value_)); |
| __node_alloc_traits::deallocate(__na, __np, 1); |
| } |
| std::__debug_db_invalidate_all(this); |
| } |
| } |
| |
| template <class _Tp, class _Alloc> |
| void |
| __list_imp<_Tp, _Alloc>::swap(__list_imp& __c) |
| #if _LIBCPP_STD_VER >= 14 |
| _NOEXCEPT |
| #else |
| _NOEXCEPT_(!__alloc_traits::propagate_on_container_swap::value || |
| __is_nothrow_swappable<allocator_type>::value) |
| #endif |
| { |
| _LIBCPP_ASSERT(__alloc_traits::propagate_on_container_swap::value || |
| this->__node_alloc() == __c.__node_alloc(), |
| "list::swap: Either propagate_on_container_swap must be true" |
| " or the allocators must compare equal"); |
| using _VSTD::swap; |
| _VSTD::__swap_allocator(__node_alloc(), __c.__node_alloc()); |
| swap(__sz(), __c.__sz()); |
| swap(__end_, __c.__end_); |
| if (__sz() == 0) |
| __end_.__next_ = __end_.__prev_ = __end_as_link(); |
| else |
| __end_.__prev_->__next_ = __end_.__next_->__prev_ = __end_as_link(); |
| if (__c.__sz() == 0) |
| __c.__end_.__next_ = __c.__end_.__prev_ = __c.__end_as_link(); |
| else |
| __c.__end_.__prev_->__next_ = __c.__end_.__next_->__prev_ = __c.__end_as_link(); |
| |
| #ifdef _LIBCPP_ENABLE_DEBUG_MODE |
| __libcpp_db* __db = __get_db(); |
| __c_node* __cn1 = __db->__find_c_and_lock(this); |
| __c_node* __cn2 = __db->__find_c(_VSTD::addressof(__c)); |
| _VSTD::swap(__cn1->beg_, __cn2->beg_); |
| _VSTD::swap(__cn1->end_, __cn2->end_); |
| _VSTD::swap(__cn1->cap_, __cn2->cap_); |
| for (__i_node** __p = __cn1->end_; __p != __cn1->beg_;) |
| { |
| --__p; |
| const_iterator* __i = static_cast<const_iterator*>((*__p)->__i_); |
| if (__i->__ptr_ == __c.__end_as_link()) |
| { |
| __cn2->__add(*__p); |
| if (--__cn1->end_ != __p) |
| _VSTD::memmove(__p, __p+1, (__cn1->end_ - __p)*sizeof(__i_node*)); |
| } |
| else |
| (*__p)->__c_ = __cn1; |
| } |
| for (__i_node** __p = __cn2->end_; __p != __cn2->beg_;) |
| { |
| --__p; |
| const_iterator* __i = static_cast<const_iterator*>((*__p)->__i_); |
| if (__i->__ptr_ == __end_as_link()) |
| { |
| __cn1->__add(*__p); |
| if (--__cn2->end_ != __p) |
| _VSTD::memmove(__p, __p+1, (__cn2->end_ - __p)*sizeof(__i_node*)); |
| } |
| else |
| (*__p)->__c_ = __cn2; |
| } |
| __db->unlock(); |
| #endif |
| } |
| |
| template <class _Tp, class _Alloc /*= allocator<_Tp>*/> |
| class _LIBCPP_TEMPLATE_VIS list |
| : private __list_imp<_Tp, _Alloc> |
| { |
| typedef __list_imp<_Tp, _Alloc> base; |
| typedef typename base::__node __node; |
| typedef typename base::__node_allocator __node_allocator; |
| typedef typename base::__node_pointer __node_pointer; |
| typedef typename base::__node_alloc_traits __node_alloc_traits; |
| typedef typename base::__node_base __node_base; |
| typedef typename base::__node_base_pointer __node_base_pointer; |
| typedef typename base::__link_pointer __link_pointer; |
| |
| public: |
| typedef _Tp value_type; |
| typedef _Alloc allocator_type; |
| static_assert((is_same<value_type, typename allocator_type::value_type>::value), |
| "Invalid allocator::value_type"); |
| typedef value_type& reference; |
| typedef const value_type& const_reference; |
| typedef typename base::pointer pointer; |
| typedef typename base::const_pointer const_pointer; |
| typedef typename base::size_type size_type; |
| typedef typename base::difference_type difference_type; |
| typedef typename base::iterator iterator; |
| typedef typename base::const_iterator const_iterator; |
| typedef _VSTD::reverse_iterator<iterator> reverse_iterator; |
| typedef _VSTD::reverse_iterator<const_iterator> const_reverse_iterator; |
| #if _LIBCPP_STD_VER > 17 |
| typedef size_type __remove_return_type; |
| #else |
| typedef void __remove_return_type; |
| #endif |
| |
| static_assert(is_same<allocator_type, __rebind_alloc<allocator_traits<allocator_type>, value_type> >::value, |
| "[allocator.requirements] states that rebinding an allocator to the same type should result in the " |
| "original allocator"); |
| |
| _LIBCPP_INLINE_VISIBILITY |
| list() |
| _NOEXCEPT_(is_nothrow_default_constructible<__node_allocator>::value) |
| { |
| _VSTD::__debug_db_insert_c(this); |
| } |
| _LIBCPP_INLINE_VISIBILITY |
| explicit list(const allocator_type& __a) : base(__a) |
| { |
| _VSTD::__debug_db_insert_c(this); |
| } |
| explicit list(size_type __n); |
| #if _LIBCPP_STD_VER > 11 |
| explicit list(size_type __n, const allocator_type& __a); |
| #endif |
| list(size_type __n, const value_type& __x); |
| template <class = __enable_if_t<__is_allocator<_Alloc>::value> > |
| list(size_type __n, const value_type& __x, const allocator_type& __a) : base(__a) |
| { |
| _VSTD::__debug_db_insert_c(this); |
| for (; __n > 0; --__n) |
| push_back(__x); |
| } |
| |
| template <class _InpIter> |
| list(_InpIter __f, _InpIter __l, |
| __enable_if_t<__is_cpp17_input_iterator<_InpIter>::value>* = 0); |
| template <class _InpIter> |
| list(_InpIter __f, _InpIter __l, const allocator_type& __a, |
| __enable_if_t<__is_cpp17_input_iterator<_InpIter>::value>* = 0); |
| |
| list(const list& __c); |
| list(const list& __c, const __type_identity_t<allocator_type>& __a); |
| _LIBCPP_INLINE_VISIBILITY |
| list& operator=(const list& __c); |
| #ifndef _LIBCPP_CXX03_LANG |
| list(initializer_list<value_type> __il); |
| list(initializer_list<value_type> __il, const allocator_type& __a); |
| |
| _LIBCPP_INLINE_VISIBILITY |
| list(list&& __c) |
| _NOEXCEPT_(is_nothrow_move_constructible<__node_allocator>::value); |
| _LIBCPP_INLINE_VISIBILITY |
| list(list&& __c, const __type_identity_t<allocator_type>& __a); |
| _LIBCPP_INLINE_VISIBILITY |
| list& operator=(list&& __c) |
| _NOEXCEPT_( |
| __node_alloc_traits::propagate_on_container_move_assignment::value && |
| is_nothrow_move_assignable<__node_allocator>::value); |
| |
| _LIBCPP_INLINE_VISIBILITY |
| list& operator=(initializer_list<value_type> __il) |
| {assign(__il.begin(), __il.end()); return *this;} |
| |
| _LIBCPP_INLINE_VISIBILITY |
| void assign(initializer_list<value_type> __il) |
| {assign(__il.begin(), __il.end());} |
| #endif // _LIBCPP_CXX03_LANG |
| |
| template <class _InpIter> |
| void assign(_InpIter __f, _InpIter __l, |
| __enable_if_t<__is_cpp17_input_iterator<_InpIter>::value>* = 0); |
| void assign(size_type __n, const value_type& __x); |
| |
| _LIBCPP_INLINE_VISIBILITY |
| allocator_type get_allocator() const _NOEXCEPT; |
| |
| _LIBCPP_INLINE_VISIBILITY |
| size_type size() const _NOEXCEPT {return base::__sz();} |
| _LIBCPP_NODISCARD_AFTER_CXX17 _LIBCPP_INLINE_VISIBILITY |
| bool empty() const _NOEXCEPT {return base::empty();} |
| _LIBCPP_INLINE_VISIBILITY |
| size_type max_size() const _NOEXCEPT |
| { |
| return _VSTD::min<size_type>( |
| base::__node_alloc_max_size(), |
| numeric_limits<difference_type >::max()); |
| } |
| |
| _LIBCPP_INLINE_VISIBILITY |
| iterator begin() _NOEXCEPT {return base::begin();} |
| _LIBCPP_INLINE_VISIBILITY |
| const_iterator begin() const _NOEXCEPT {return base::begin();} |
| _LIBCPP_INLINE_VISIBILITY |
| iterator end() _NOEXCEPT {return base::end();} |
| _LIBCPP_INLINE_VISIBILITY |
| const_iterator end() const _NOEXCEPT {return base::end();} |
| _LIBCPP_INLINE_VISIBILITY |
| const_iterator cbegin() const _NOEXCEPT {return base::begin();} |
| _LIBCPP_INLINE_VISIBILITY |
| const_iterator cend() const _NOEXCEPT {return base::end();} |
| |
| _LIBCPP_INLINE_VISIBILITY |
| reverse_iterator rbegin() _NOEXCEPT |
| {return reverse_iterator(end());} |
| _LIBCPP_INLINE_VISIBILITY |
| const_reverse_iterator rbegin() const _NOEXCEPT |
| {return const_reverse_iterator(end());} |
| _LIBCPP_INLINE_VISIBILITY |
| reverse_iterator rend() _NOEXCEPT |
| {return reverse_iterator(begin());} |
| _LIBCPP_INLINE_VISIBILITY |
| const_reverse_iterator rend() const _NOEXCEPT |
| {return const_reverse_iterator(begin());} |
| _LIBCPP_INLINE_VISIBILITY |
| const_reverse_iterator crbegin() const _NOEXCEPT |
| {return const_reverse_iterator(end());} |
| _LIBCPP_INLINE_VISIBILITY |
| const_reverse_iterator crend() const _NOEXCEPT |
| {return const_reverse_iterator(begin());} |
| |
| _LIBCPP_INLINE_VISIBILITY |
| reference front() |
| { |
| _LIBCPP_ASSERT(!empty(), "list::front called on empty list"); |
| return base::__end_.__next_->__as_node()->__value_; |
| } |
| _LIBCPP_INLINE_VISIBILITY |
| const_reference front() const |
| { |
| _LIBCPP_ASSERT(!empty(), "list::front called on empty list"); |
| return base::__end_.__next_->__as_node()->__value_; |
| } |
| _LIBCPP_INLINE_VISIBILITY |
| reference back() |
| { |
| _LIBCPP_ASSERT(!empty(), "list::back called on empty list"); |
| return base::__end_.__prev_->__as_node()->__value_; |
| } |
| _LIBCPP_INLINE_VISIBILITY |
| const_reference back() const |
| { |
| _LIBCPP_ASSERT(!empty(), "list::back called on empty list"); |
| return base::__end_.__prev_->__as_node()->__value_; |
| } |
| |
| #ifndef _LIBCPP_CXX03_LANG |
| void push_front(value_type&& __x); |
| void push_back(value_type&& __x); |
| |
| template <class... _Args> |
| #if _LIBCPP_STD_VER > 14 |
| reference emplace_front(_Args&&... __args); |
| #else |
| void emplace_front(_Args&&... __args); |
| #endif |
| template <class... _Args> |
| #if _LIBCPP_STD_VER > 14 |
| reference emplace_back(_Args&&... __args); |
| #else |
| void emplace_back(_Args&&... __args); |
| #endif |
| template <class... _Args> |
| iterator emplace(const_iterator __p, _Args&&... __args); |
| |
| iterator insert(const_iterator __p, value_type&& __x); |
| |
| _LIBCPP_INLINE_VISIBILITY |
| iterator insert(const_iterator __p, initializer_list<value_type> __il) |
| {return insert(__p, __il.begin(), __il.end());} |
| #endif // _LIBCPP_CXX03_LANG |
| |
| void push_front(const value_type& __x); |
| void push_back(const value_type& __x); |
| |
| #ifndef _LIBCPP_CXX03_LANG |
| template <class _Arg> |
| _LIBCPP_INLINE_VISIBILITY |
| void __emplace_back(_Arg&& __arg) { emplace_back(_VSTD::forward<_Arg>(__arg)); } |
| #else |
| _LIBCPP_INLINE_VISIBILITY |
| void __emplace_back(value_type const& __arg) { push_back(__arg); } |
| #endif |
| |
| iterator insert(const_iterator __p, const value_type& __x); |
| iterator insert(const_iterator __p, size_type __n, const value_type& __x); |
| template <class _InpIter> |
| iterator insert(const_iterator __p, _InpIter __f, _InpIter __l, |
| __enable_if_t<__is_cpp17_input_iterator<_InpIter>::value>* = 0); |
| |
| _LIBCPP_INLINE_VISIBILITY |
| void swap(list& __c) |
| #if _LIBCPP_STD_VER >= 14 |
| _NOEXCEPT |
| #else |
| _NOEXCEPT_(!__node_alloc_traits::propagate_on_container_swap::value || |
| __is_nothrow_swappable<__node_allocator>::value) |
| #endif |
| {base::swap(__c);} |
| _LIBCPP_INLINE_VISIBILITY |
| void clear() _NOEXCEPT {base::clear();} |
| |
| void pop_front(); |
| void pop_back(); |
| |
| iterator erase(const_iterator __p); |
| iterator erase(const_iterator __f, const_iterator __l); |
| |
| void resize(size_type __n); |
| void resize(size_type __n, const value_type& __x); |
| |
| void splice(const_iterator __p, list& __c); |
| #ifndef _LIBCPP_CXX03_LANG |
| _LIBCPP_INLINE_VISIBILITY |
| void splice(const_iterator __p, list&& __c) {splice(__p, __c);} |
| _LIBCPP_INLINE_VISIBILITY |
| void splice(const_iterator __p, list&& __c, const_iterator __i) |
| {splice(__p, __c, __i);} |
| _LIBCPP_INLINE_VISIBILITY |
| void splice(const_iterator __p, list&& __c, const_iterator __f, const_iterator __l) |
| {splice(__p, __c, __f, __l);} |
| #endif |
| void splice(const_iterator __p, list& __c, const_iterator __i); |
| void splice(const_iterator __p, list& __c, const_iterator __f, const_iterator __l); |
| |
| __remove_return_type remove(const value_type& __x); |
| template <class _Pred> __remove_return_type remove_if(_Pred __pred); |
| _LIBCPP_INLINE_VISIBILITY |
| __remove_return_type unique() { return unique(__equal_to()); } |
| template <class _BinaryPred> |
| __remove_return_type unique(_BinaryPred __binary_pred); |
| _LIBCPP_INLINE_VISIBILITY |
| void merge(list& __c); |
| #ifndef _LIBCPP_CXX03_LANG |
| _LIBCPP_INLINE_VISIBILITY |
| void merge(list&& __c) {merge(__c);} |
| |
| template <class _Comp> |
| _LIBCPP_INLINE_VISIBILITY |
| void merge(list&& __c, _Comp __comp) {merge(__c, __comp);} |
| #endif |
| template <class _Comp> |
| void merge(list& __c, _Comp __comp); |
| |
| _LIBCPP_INLINE_VISIBILITY |
| void sort(); |
| template <class _Comp> |
| _LIBCPP_INLINE_VISIBILITY |
| void sort(_Comp __comp); |
| |
| void reverse() _NOEXCEPT; |
| |
| bool __invariants() const; |
| |
| typedef __allocator_destructor<__node_allocator> __node_destructor; |
| typedef unique_ptr<__node, __node_destructor> __hold_pointer; |
| |
| _LIBCPP_INLINE_VISIBILITY |
| __hold_pointer __allocate_node(__node_allocator& __na) { |
| __node_pointer __p = __node_alloc_traits::allocate(__na, 1); |
| __p->__prev_ = nullptr; |
| return __hold_pointer(__p, __node_destructor(__na, 1)); |
| } |
| |
| #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: |
| _LIBCPP_INLINE_VISIBILITY |
| static void __link_nodes (__link_pointer __p, __link_pointer __f, __link_pointer __l); |
| _LIBCPP_INLINE_VISIBILITY |
| void __link_nodes_at_front(__link_pointer __f, __link_pointer __l); |
| _LIBCPP_INLINE_VISIBILITY |
| void __link_nodes_at_back (__link_pointer __f, __link_pointer __l); |
| iterator __iterator(size_type __n); |
| template <class _Comp> |
| static iterator __sort(iterator __f1, iterator __e2, size_type __n, _Comp& __comp); |
| |
| void __move_assign(list& __c, true_type) |
| _NOEXCEPT_(is_nothrow_move_assignable<__node_allocator>::value); |
| void __move_assign(list& __c, false_type); |
| }; |
| |
| #if _LIBCPP_STD_VER >= 17 |
| template<class _InputIterator, |
| class _Alloc = allocator<__iter_value_type<_InputIterator>>, |
| class = enable_if_t<__is_cpp17_input_iterator<_InputIterator>::value>, |
| class = enable_if_t<__is_allocator<_Alloc>::value> |
| > |
| list(_InputIterator, _InputIterator) |
| -> list<__iter_value_type<_InputIterator>, _Alloc>; |
| |
| template<class _InputIterator, |
| class _Alloc, |
| class = enable_if_t<__is_cpp17_input_iterator<_InputIterator>::value>, |
| class = enable_if_t<__is_allocator<_Alloc>::value> |
| > |
| list(_InputIterator, _InputIterator, _Alloc) |
| -> list<__iter_value_type<_InputIterator>, _Alloc>; |
| #endif |
| |
| // Link in nodes [__f, __l] just prior to __p |
| template <class _Tp, class _Alloc> |
| inline |
| void |
| list<_Tp, _Alloc>::__link_nodes(__link_pointer __p, __link_pointer __f, __link_pointer __l) |
| { |
| __p->__prev_->__next_ = __f; |
| __f->__prev_ = __p->__prev_; |
| __p->__prev_ = __l; |
| __l->__next_ = __p; |
| } |
| |
| // Link in nodes [__f, __l] at the front of the list |
| template <class _Tp, class _Alloc> |
| inline |
| void |
| list<_Tp, _Alloc>::__link_nodes_at_front(__link_pointer __f, __link_pointer __l) |
| { |
| __f->__prev_ = base::__end_as_link(); |
| __l->__next_ = base::__end_.__next_; |
| __l->__next_->__prev_ = __l; |
| base::__end_.__next_ = __f; |
| } |
| |
| // Link in nodes [__f, __l] at the back of the list |
| template <class _Tp, class _Alloc> |
| inline |
| void |
| list<_Tp, _Alloc>::__link_nodes_at_back(__link_pointer __f, __link_pointer __l) |
| { |
| __l->__next_ = base::__end_as_link(); |
| __f->__prev_ = base::__end_.__prev_; |
| __f->__prev_->__next_ = __f; |
| base::__end_.__prev_ = __l; |
| } |
| |
| |
| template <class _Tp, class _Alloc> |
| inline |
| typename list<_Tp, _Alloc>::iterator |
| list<_Tp, _Alloc>::__iterator(size_type __n) |
| { |
| return __n <= base::__sz() / 2 ? _VSTD::next(begin(), __n) |
| : _VSTD::prev(end(), base::__sz() - __n); |
| } |
| |
| template <class _Tp, class _Alloc> |
| list<_Tp, _Alloc>::list(size_type __n) |
| { |
| _VSTD::__debug_db_insert_c(this); |
| for (; __n > 0; --__n) |
| #ifndef _LIBCPP_CXX03_LANG |
| emplace_back(); |
| #else |
| push_back(value_type()); |
| #endif |
| } |
| |
| #if _LIBCPP_STD_VER > 11 |
| template <class _Tp, class _Alloc> |
| list<_Tp, _Alloc>::list(size_type __n, const allocator_type& __a) : base(__a) |
| { |
| _VSTD::__debug_db_insert_c(this); |
| for (; __n > 0; --__n) |
| emplace_back(); |
| } |
| #endif |
| |
| template <class _Tp, class _Alloc> |
| list<_Tp, _Alloc>::list(size_type __n, const value_type& __x) |
| { |
| _VSTD::__debug_db_insert_c(this); |
| for (; __n > 0; --__n) |
| push_back(__x); |
| } |
| |
| template <class _Tp, class _Alloc> |
| template <class _InpIter> |
| list<_Tp, _Alloc>::list(_InpIter __f, _InpIter __l, |
| __enable_if_t<__is_cpp17_input_iterator<_InpIter>::value>*) |
| { |
| _VSTD::__debug_db_insert_c(this); |
| for (; __f != __l; ++__f) |
| __emplace_back(*__f); |
| } |
| |
| template <class _Tp, class _Alloc> |
| template <class _InpIter> |
| list<_Tp, _Alloc>::list(_InpIter __f, _InpIter __l, const allocator_type& __a, |
| __enable_if_t<__is_cpp17_input_iterator<_InpIter>::value>*) |
| : base(__a) |
| { |
| _VSTD::__debug_db_insert_c(this); |
| for (; __f != __l; ++__f) |
| __emplace_back(*__f); |
| } |
| |
| template <class _Tp, class _Alloc> |
| list<_Tp, _Alloc>::list(const list& __c) |
| : base(__node_alloc_traits::select_on_container_copy_construction( |
| __c.__node_alloc())) { |
| _VSTD::__debug_db_insert_c(this); |
| for (const_iterator __i = __c.begin(), __e = __c.end(); __i != __e; ++__i) |
| push_back(*__i); |
| } |
| |
| template <class _Tp, class _Alloc> |
| list<_Tp, _Alloc>::list(const list& __c, const __type_identity_t<allocator_type>& __a) |
| : base(__a) |
| { |
| _VSTD::__debug_db_insert_c(this); |
| for (const_iterator __i = __c.begin(), __e = __c.end(); __i != __e; ++__i) |
| push_back(*__i); |
| } |
| |
| #ifndef _LIBCPP_CXX03_LANG |
| |
| template <class _Tp, class _Alloc> |
| list<_Tp, _Alloc>::list(initializer_list<value_type> __il, const allocator_type& __a) |
| : base(__a) |
| { |
| _VSTD::__debug_db_insert_c(this); |
| for (typename initializer_list<value_type>::const_iterator __i = __il.begin(), |
| __e = __il.end(); __i != __e; ++__i) |
| push_back(*__i); |
| } |
| |
| template <class _Tp, class _Alloc> |
| list<_Tp, _Alloc>::list(initializer_list<value_type> __il) |
| { |
| _VSTD::__debug_db_insert_c(this); |
| for (typename initializer_list<value_type>::const_iterator __i = __il.begin(), |
| __e = __il.end(); __i != __e; ++__i) |
| push_back(*__i); |
| } |
| |
| template <class _Tp, class _Alloc> |
| inline list<_Tp, _Alloc>::list(list&& __c) |
| _NOEXCEPT_(is_nothrow_move_constructible<__node_allocator>::value) |
| : base(_VSTD::move(__c.__node_alloc())) { |
| _VSTD::__debug_db_insert_c(this); |
| splice(end(), __c); |
| } |
| |
| template <class _Tp, class _Alloc> |
| inline |
| list<_Tp, _Alloc>::list(list&& __c, const __type_identity_t<allocator_type>& __a) |
| : base(__a) |
| { |
| _VSTD::__debug_db_insert_c(this); |
| if (__a == __c.get_allocator()) |
| splice(end(), __c); |
| else |
| { |
| typedef move_iterator<iterator> _Ip; |
| assign(_Ip(__c.begin()), _Ip(__c.end())); |
| } |
| } |
| |
| template <class _Tp, class _Alloc> |
| inline |
| list<_Tp, _Alloc>& |
| list<_Tp, _Alloc>::operator=(list&& __c) |
| _NOEXCEPT_( |
| __node_alloc_traits::propagate_on_container_move_assignment::value && |
| is_nothrow_move_assignable<__node_allocator>::value) |
| { |
| __move_assign(__c, integral_constant<bool, |
| __node_alloc_traits::propagate_on_container_move_assignment::value>()); |
| return *this; |
| } |
| |
| template <class _Tp, class _Alloc> |
| void |
| list<_Tp, _Alloc>::__move_assign(list& __c, false_type) |
| { |
| if (base::__node_alloc() != __c.__node_alloc()) |
| { |
| typedef move_iterator<iterator> _Ip; |
| assign(_Ip(__c.begin()), _Ip(__c.end())); |
| } |
| else |
| __move_assign(__c, true_type()); |
| } |
| |
| template <class _Tp, class _Alloc> |
| void |
| list<_Tp, _Alloc>::__move_assign(list& __c, true_type) |
| _NOEXCEPT_(is_nothrow_move_assignable<__node_allocator>::value) |
| { |
| clear(); |
| base::__move_assign_alloc(__c); |
| splice(end(), __c); |
| } |
| |
| #endif // _LIBCPP_CXX03_LANG |
| |
| template <class _Tp, class _Alloc> |
| inline |
| list<_Tp, _Alloc>& |
| list<_Tp, _Alloc>::operator=(const list& __c) |
| { |
| if (this != _VSTD::addressof(__c)) |
| { |
| base::__copy_assign_alloc(__c); |
| assign(__c.begin(), __c.end()); |
| } |
| return *this; |
| } |
| |
| template <class _Tp, class _Alloc> |
| template <class _InpIter> |
| void |
| list<_Tp, _Alloc>::assign(_InpIter __f, _InpIter __l, |
| __enable_if_t<__is_cpp17_input_iterator<_InpIter>::value>*) |
| { |
| iterator __i = begin(); |
| iterator __e = end(); |
| for (; __f != __l && __i != __e; ++__f, (void) ++__i) |
| *__i = *__f; |
| if (__i == __e) |
| insert(__e, __f, __l); |
| else |
| erase(__i, __e); |
| std::__debug_db_invalidate_all(this); |
| } |
| |
| template <class _Tp, class _Alloc> |
| void |
| list<_Tp, _Alloc>::assign(size_type __n, const value_type& __x) |
| { |
| iterator __i = begin(); |
| iterator __e = end(); |
| for (; __n > 0 && __i != __e; --__n, (void) ++__i) |
| *__i = __x; |
| if (__i == __e) |
| insert(__e, __n, __x); |
| else |
| erase(__i, __e); |
| std::__debug_db_invalidate_all(this); |
| } |
| |
| template <class _Tp, class _Alloc> |
| inline |
| _Alloc |
| list<_Tp, _Alloc>::get_allocator() const _NOEXCEPT |
| { |
| return allocator_type(base::__node_alloc()); |
| } |
| |
| template <class _Tp, class _Alloc> |
| typename list<_Tp, _Alloc>::iterator |
| list<_Tp, _Alloc>::insert(const_iterator __p, const value_type& __x) |
| { |
| _LIBCPP_DEBUG_ASSERT(__get_const_db()->__find_c_from_i(_VSTD::addressof(__p)) == this, |
| "list::insert(iterator, x) called with an iterator not referring to this list"); |
| __node_allocator& __na = base::__node_alloc(); |
| __hold_pointer __hold = __allocate_node(__na); |
| __node_alloc_traits::construct(__na, _VSTD::addressof(__hold->__value_), __x); |
| __link_nodes(__p.__ptr_, __hold->__as_link(), __hold->__as_link()); |
| ++base::__sz(); |
| return iterator(__hold.release()->__as_link(), this); |
| } |
| |
| template <class _Tp, class _Alloc> |
| typename list<_Tp, _Alloc>::iterator |
| list<_Tp, _Alloc>::insert(const_iterator __p, size_type __n, const value_type& __x) |
| { |
| _LIBCPP_DEBUG_ASSERT(__get_const_db()->__find_c_from_i(_VSTD::addressof(__p)) == this, |
| "list::insert(iterator, n, x) called with an iterator not referring to this list"); |
| iterator __r(__p.__ptr_, this); |
| if (__n > 0) |
| { |
| size_type __ds = 0; |
| __node_allocator& __na = base::__node_alloc(); |
| __hold_pointer __hold = __allocate_node(__na); |
| __node_alloc_traits::construct(__na, _VSTD::addressof(__hold->__value_), __x); |
| ++__ds; |
| __r = iterator(__hold->__as_link(), this); |
| __hold.release(); |
| iterator __e = __r; |
| #ifndef _LIBCPP_NO_EXCEPTIONS |
| try |
| { |
| #endif // _LIBCPP_NO_EXCEPTIONS |
| for (--__n; __n != 0; --__n, (void) ++__e, ++__ds) |
| { |
| __hold.reset(__node_alloc_traits::allocate(__na, 1)); |
| __node_alloc_traits::construct(__na, _VSTD::addressof(__hold->__value_), __x); |
| __e.__ptr_->__next_ = __hold->__as_link(); |
| __hold->__prev_ = __e.__ptr_; |
| __hold.release(); |
| } |
| #ifndef _LIBCPP_NO_EXCEPTIONS |
| } |
| catch (...) |
| { |
| while (true) |
| { |
| __node_alloc_traits::destroy(__na, _VSTD::addressof(*__e)); |
| __link_pointer __prev = __e.__ptr_->__prev_; |
| __node_alloc_traits::deallocate(__na, __e.__ptr_->__as_node(), 1); |
| if (__prev == 0) |
| break; |
| __e = iterator(__prev, this); |
| } |
| throw; |
| } |
| #endif // _LIBCPP_NO_EXCEPTIONS |
| __link_nodes(__p.__ptr_, __r.__ptr_, __e.__ptr_); |
| base::__sz() += __ds; |
| } |
| return __r; |
| } |
| |
| template <class _Tp, class _Alloc> |
| template <class _InpIter> |
| typename list<_Tp, _Alloc>::iterator |
| list<_Tp, _Alloc>::insert(const_iterator __p, _InpIter __f, _InpIter __l, |
| __enable_if_t<__is_cpp17_input_iterator<_InpIter>::value>*) |
| { |
| _LIBCPP_DEBUG_ASSERT(__get_const_db()->__find_c_from_i(_VSTD::addressof(__p)) == this, |
| "list::insert(iterator, range) called with an iterator not referring to this list"); |
| iterator __r(__p.__ptr_, this); |
| if (__f != __l) |
| { |
| size_type __ds = 0; |
| __node_allocator& __na = base::__node_alloc(); |
| __hold_pointer __hold = __allocate_node(__na); |
| __node_alloc_traits::construct(__na, _VSTD::addressof(__hold->__value_), *__f); |
| ++__ds; |
| __r = iterator(__hold.get()->__as_link(), this); |
| __hold.release(); |
| iterator __e = __r; |
| #ifndef _LIBCPP_NO_EXCEPTIONS |
| try |
| { |
| #endif // _LIBCPP_NO_EXCEPTIONS |
| for (++__f; __f != __l; ++__f, (void) ++__e, ++__ds) |
| { |
| __hold.reset(__node_alloc_traits::allocate(__na, 1)); |
| __node_alloc_traits::construct(__na, _VSTD::addressof(__hold->__value_), *__f); |
| __e.__ptr_->__next_ = __hold.get()->__as_link(); |
| __hold->__prev_ = __e.__ptr_; |
| __hold.release(); |
| } |
| #ifndef _LIBCPP_NO_EXCEPTIONS |
| } |
| catch (...) |
| { |
| while (true) |
| { |
| __node_alloc_traits::destroy(__na, _VSTD::addressof(*__e)); |
| __link_pointer __prev = __e.__ptr_->__prev_; |
| __node_alloc_traits::deallocate(__na, __e.__ptr_->__as_node(), 1); |
| if (__prev == 0) |
| break; |
| __e = iterator(__prev, this); |
| } |
| throw; |
| } |
| #endif // _LIBCPP_NO_EXCEPTIONS |
| __link_nodes(__p.__ptr_, __r.__ptr_, __e.__ptr_); |
| base::__sz() += __ds; |
| } |
| return __r; |
| } |
| |
| template <class _Tp, class _Alloc> |
| void |
| list<_Tp, _Alloc>::push_front(const value_type& __x) |
| { |
| __node_allocator& __na = base::__node_alloc(); |
| __hold_pointer __hold = __allocate_node(__na); |
| __node_alloc_traits::construct(__na, _VSTD::addressof(__hold->__value_), __x); |
| __link_pointer __nl = __hold->__as_link(); |
| __link_nodes_at_front(__nl, __nl); |
| ++base::__sz(); |
| __hold.release(); |
| } |
| |
| template <class _Tp, class _Alloc> |
| void |
| list<_Tp, _Alloc>::push_back(const value_type& __x) |
| { |
| __node_allocator& __na = base::__node_alloc(); |
| __hold_pointer __hold = __allocate_node(__na); |
| __node_alloc_traits::construct(__na, _VSTD::addressof(__hold->__value_), __x); |
| __link_nodes_at_back(__hold.get()->__as_link(), __hold.get()->__as_link()); |
| ++base::__sz(); |
| __hold.release(); |
| } |
| |
| #ifndef _LIBCPP_CXX03_LANG |
| |
| template <class _Tp, class _Alloc> |
| void |
| list<_Tp, _Alloc>::push_front(value_type&& __x) |
| { |
| __node_allocator& __na = base::__node_alloc(); |
| __hold_pointer __hold = __allocate_node(__na); |
| __node_alloc_traits::construct(__na, _VSTD::addressof(__hold->__value_), _VSTD::move(__x)); |
| __link_nodes_at_front(__hold.get()->__as_link(), __hold.get()->__as_link()); |
| ++base::__sz(); |
| __hold.release(); |
| } |
| |
| template <class _Tp, class _Alloc> |
| void |
| list<_Tp, _Alloc>::push_back(value_type&& __x) |
| { |
| __node_allocator& __na = base::__node_alloc(); |
| __hold_pointer __hold = __allocate_node(__na); |
| __node_alloc_traits::construct(__na, _VSTD::addressof(__hold->__value_), _VSTD::move(__x)); |
| __link_nodes_at_back(__hold.get()->__as_link(), __hold.get()->__as_link()); |
| ++base::__sz(); |
| __hold.release(); |
| } |
| |
| template <class _Tp, class _Alloc> |
| template <class... _Args> |
| #if _LIBCPP_STD_VER > 14 |
| typename list<_Tp, _Alloc>::reference |
| #else |
| void |
| #endif |
| list<_Tp, _Alloc>::emplace_front(_Args&&... __args) |
| { |
| __node_allocator& __na = base::__node_alloc(); |
| __hold_pointer __hold = __allocate_node(__na); |
| __node_alloc_traits::construct(__na, _VSTD::addressof(__hold->__value_), _VSTD::forward<_Args>(__args)...); |
| __link_nodes_at_front(__hold.get()->__as_link(), __hold.get()->__as_link()); |
| ++base::__sz(); |
| #if _LIBCPP_STD_VER > 14 |
| return __hold.release()->__value_; |
| #else |
| __hold.release(); |
| #endif |
| } |
| |
| template <class _Tp, class _Alloc> |
| template <class... _Args> |
| #if _LIBCPP_STD_VER > 14 |
| typename list<_Tp, _Alloc>::reference |
| #else |
| void |
| #endif |
| list<_Tp, _Alloc>::emplace_back(_Args&&... __args) |
| { |
| __node_allocator& __na = base::__node_alloc(); |
| __hold_pointer __hold = __allocate_node(__na); |
| __node_alloc_traits::construct(__na, _VSTD::addressof(__hold->__value_), _VSTD::forward<_Args>(__args)...); |
| __link_pointer __nl = __hold->__as_link(); |
| __link_nodes_at_back(__nl, __nl); |
| ++base::__sz(); |
| #if _LIBCPP_STD_VER > 14 |
| return __hold.release()->__value_; |
| #else |
| __hold.release(); |
| #endif |
| } |
| |
| template <class _Tp, class _Alloc> |
| template <class... _Args> |
| typename list<_Tp, _Alloc>::iterator |
| list<_Tp, _Alloc>::emplace(const_iterator __p, _Args&&... __args) |
| { |
| _LIBCPP_DEBUG_ASSERT(__get_const_db()->__find_c_from_i(_VSTD::addressof(__p)) == this, |
| "list::emplace(iterator, args...) called with an iterator not referring to this list"); |
| __node_allocator& __na = base::__node_alloc(); |
| __hold_pointer __hold = __allocate_node(__na); |
| __node_alloc_traits::construct(__na, _VSTD::addressof(__hold->__value_), _VSTD::forward<_Args>(__args)...); |
| __link_pointer __nl = __hold.get()->__as_link(); |
| __link_nodes(__p.__ptr_, __nl, __nl); |
| ++base::__sz(); |
| __hold.release(); |
| return iterator(__nl, this); |
| } |
| |
| template <class _Tp, class _Alloc> |
| typename list<_Tp, _Alloc>::iterator |
| list<_Tp, _Alloc>::insert(const_iterator __p, value_type&& __x) |
| { |
| _LIBCPP_DEBUG_ASSERT(__get_const_db()->__find_c_from_i(_VSTD::addressof(__p)) == this, |
| "list::insert(iterator, x) called with an iterator not referring to this list"); |
| __node_allocator& __na = base::__node_alloc(); |
| __hold_pointer __hold = __allocate_node(__na); |
| __node_alloc_traits::construct(__na, _VSTD::addressof(__hold->__value_), _VSTD::move(__x)); |
| __link_pointer __nl = __hold->__as_link(); |
| __link_nodes(__p.__ptr_, __nl, __nl); |
| ++base::__sz(); |
| __hold.release(); |
| return iterator(__nl, this); |
| } |
| |
| #endif // _LIBCPP_CXX03_LANG |
| |
| template <class _Tp, class _Alloc> |
| void |
| list<_Tp, _Alloc>::pop_front() |
| { |
| _LIBCPP_ASSERT(!empty(), "list::pop_front() called with empty list"); |
| __node_allocator& __na = base::__node_alloc(); |
| __link_pointer __n = base::__end_.__next_; |
| base::__unlink_nodes(__n, __n); |
| --base::__sz(); |
| #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; |
| iterator* __i = static_cast<iterator*>((*__p)->__i_); |
| if (__i->__ptr_ == __n) |
| { |
| (*__p)->__c_ = nullptr; |
| if (--__c->end_ != __p) |
| _VSTD::memmove(__p, __p+1, (__c->end_ - __p)*sizeof(__i_node*)); |
| } |
| } |
| __get_db()->unlock(); |
| #endif |
| __node_pointer __np = __n->__as_node(); |
| __node_alloc_traits::destroy(__na, _VSTD::addressof(__np->__value_)); |
| __node_alloc_traits::deallocate(__na, __np, 1); |
| } |
| |
| template <class _Tp, class _Alloc> |
| void |
| list<_Tp, _Alloc>::pop_back() |
| { |
| _LIBCPP_ASSERT(!empty(), "list::pop_back() called on an empty list"); |
| __node_allocator& __na = base::__node_alloc(); |
| __link_pointer __n = base::__end_.__prev_; |
| base::__unlink_nodes(__n, __n); |
| --base::__sz(); |
| #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; |
| iterator* __i = static_cast<iterator*>((*__p)->__i_); |
| if (__i->__ptr_ == __n) |
| { |
| (*__p)->__c_ = nullptr; |
| if (--__c->end_ != __p) |
| _VSTD::memmove(__p, __p+1, (__c->end_ - __p)*sizeof(__i_node*)); |
| } |
| } |
| __get_db()->unlock(); |
| #endif |
| __node_pointer __np = __n->__as_node(); |
| __node_alloc_traits::destroy(__na, _VSTD::addressof(__np->__value_)); |
| __node_alloc_traits::deallocate(__na, __np, 1); |
| } |
| |
| template <class _Tp, class _Alloc> |
| typename list<_Tp, _Alloc>::iterator |
| list<_Tp, _Alloc>::erase(const_iterator __p) |
| { |
| _LIBCPP_DEBUG_ASSERT(__get_const_db()->__find_c_from_i(_VSTD::addressof(__p)) == this, |
| "list::erase(iterator) called with an iterator not referring to this list"); |
| _LIBCPP_ASSERT(__p != end(), |
| "list::erase(iterator) called with a non-dereferenceable iterator"); |
| __node_allocator& __na = base::__node_alloc(); |
| __link_pointer __n = __p.__ptr_; |
| __link_pointer __r = __n->__next_; |
| base::__unlink_nodes(__n, __n); |
| --base::__sz(); |
| #ifdef _LIBCPP_ENABLE_DEBUG_MODE |
| __c_node* __c = __get_db()->__find_c_and_lock(this); |
| for (__i_node** __ip = __c->end_; __ip != __c->beg_; ) |
| { |
| --__ip; |
| iterator* __i = static_cast<iterator*>((*__ip)->__i_); |
| if (__i->__ptr_ == __n) |
| { |
| (*__ip)->__c_ = nullptr; |
| if (--__c->end_ != __ip) |
| _VSTD::memmove(__ip, __ip+1, (__c->end_ - __ip)*sizeof(__i_node*)); |
| } |
| } |
| __get_db()->unlock(); |
| #endif |
| __node_pointer __np = __n->__as_node(); |
| __node_alloc_traits::destroy(__na, _VSTD::addressof(__np->__value_)); |
| __node_alloc_traits::deallocate(__na, __np, 1); |
| return iterator(__r, this); |
| } |
| |
| template <class _Tp, class _Alloc> |
| typename list<_Tp, _Alloc>::iterator |
| list<_Tp, _Alloc>::erase(const_iterator __f, const_iterator __l) |
| { |
| _LIBCPP_DEBUG_ASSERT(__get_const_db()->__find_c_from_i(_VSTD::addressof(__f)) == this, |
| "list::erase(iterator, iterator) called with an iterator not referring to this list"); |
| _LIBCPP_DEBUG_ASSERT(__get_const_db()->__find_c_from_i(_VSTD::addressof(__l)) == this, |
| "list::erase(iterator, iterator) called with an iterator not referring to this list"); |
| if (__f != __l) |
| { |
| __node_allocator& __na = base::__node_alloc(); |
| base::__unlink_nodes(__f.__ptr_, __l.__ptr_->__prev_); |
| while (__f != __l) |
| { |
| __link_pointer __n = __f.__ptr_; |
| ++__f; |
| --base::__sz(); |
| #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; |
| iterator* __i = static_cast<iterator*>((*__p)->__i_); |
| if (__i->__ptr_ == __n) |
| { |
| (*__p)->__c_ = nullptr; |
| if (--__c->end_ != __p) |
| _VSTD::memmove(__p, __p+1, (__c->end_ - __p)*sizeof(__i_node*)); |
| } |
| } |
| __get_db()->unlock(); |
| #endif |
| __node_pointer __np = __n->__as_node(); |
| __node_alloc_traits::destroy(__na, _VSTD::addressof(__np->__value_)); |
| __node_alloc_traits::deallocate(__na, __np, 1); |
| } |
| } |
| return iterator(__l.__ptr_, this); |
| } |
| |
| template <class _Tp, class _Alloc> |
| void |
| list<_Tp, _Alloc>::resize(size_type __n) |
| { |
| if (__n < base::__sz()) |
| erase(__iterator(__n), end()); |
| else if (__n > base::__sz()) |
| { |
| __n -= base::__sz(); |
| size_type __ds = 0; |
| __node_allocator& __na = base::__node_alloc(); |
| __hold_pointer __hold = __allocate_node(__na); |
| __node_alloc_traits::construct(__na, _VSTD::addressof(__hold->__value_)); |
| ++__ds; |
| iterator __r = iterator(__hold.release()->__as_link(), this); |
| iterator __e = __r; |
| #ifndef _LIBCPP_NO_EXCEPTIONS |
| try |
| { |
| #endif // _LIBCPP_NO_EXCEPTIONS |
| for (--__n; __n != 0; --__n, (void) ++__e, ++__ds) |
| { |
| __hold.reset(__node_alloc_traits::allocate(__na, 1)); |
| __node_alloc_traits::construct(__na, _VSTD::addressof(__hold->__value_)); |
| __e.__ptr_->__next_ = __hold.get()->__as_link(); |
| __hold->__prev_ = __e.__ptr_; |
| __hold.release(); |
| } |
| #ifndef _LIBCPP_NO_EXCEPTIONS |
| } |
| catch (...) |
| { |
| while (true) |
| { |
| __node_alloc_traits::destroy(__na, _VSTD::addressof(*__e)); |
| __link_pointer __prev = __e.__ptr_->__prev_; |
| __node_alloc_traits::deallocate(__na, __e.__ptr_->__as_node(), 1); |
| if (__prev == 0) |
| break; |
| __e = iterator(__prev, this); |
| } |
| throw; |
| } |
| #endif // _LIBCPP_NO_EXCEPTIONS |
| __link_nodes_at_back(__r.__ptr_, __e.__ptr_); |
| base::__sz() += __ds; |
| } |
| } |
| |
| template <class _Tp, class _Alloc> |
| void |
| list<_Tp, _Alloc>::resize(size_type __n, const value_type& __x) |
| { |
| if (__n < base::__sz()) |
| erase(__iterator(__n), end()); |
| else if (__n > base::__sz()) |
| { |
| __n -= base::__sz(); |
| size_type __ds = 0; |
| __node_allocator& __na = base::__node_alloc(); |
| __hold_pointer __hold = __allocate_node(__na); |
| __node_alloc_traits::construct(__na, _VSTD::addressof(__hold->__value_), __x); |
| ++__ds; |
| __link_pointer __nl = __hold.release()->__as_link(); |
| iterator __r = iterator(__nl, this); |
| iterator __e = __r; |
| #ifndef _LIBCPP_NO_EXCEPTIONS |
| try |
| { |
| #endif // _LIBCPP_NO_EXCEPTIONS |
| for (--__n; __n != 0; --__n, (void) ++__e, ++__ds) |
| { |
| __hold.reset(__node_alloc_traits::allocate(__na, 1)); |
| __node_alloc_traits::construct(__na, _VSTD::addressof(__hold->__value_), __x); |
| __e.__ptr_->__next_ = __hold.get()->__as_link(); |
| __hold->__prev_ = __e.__ptr_; |
| __hold.release(); |
| } |
| #ifndef _LIBCPP_NO_EXCEPTIONS |
| } |
| catch (...) |
| { |
| while (true) |
| { |
| __node_alloc_traits::destroy(__na, _VSTD::addressof(*__e)); |
| __link_pointer __prev = __e.__ptr_->__prev_; |
| __node_alloc_traits::deallocate(__na, __e.__ptr_->__as_node(), 1); |
| if (__prev == 0) |
| break; |
| __e = iterator(__prev, this); |
| } |
| throw; |
| } |
| #endif // _LIBCPP_NO_EXCEPTIONS |
| __link_nodes(base::__end_as_link(), __r.__ptr_, __e.__ptr_); |
| base::__sz() += __ds; |
| } |
| } |
| |
| template <class _Tp, class _Alloc> |
| void |
| list<_Tp, _Alloc>::splice(const_iterator __p, list& __c) |
| { |
| _LIBCPP_ASSERT(this != _VSTD::addressof(__c), |
| "list::splice(iterator, list) called with this == &list"); |
| _LIBCPP_DEBUG_ASSERT(__get_const_db()->__find_c_from_i(_VSTD::addressof(__p)) == this, |
| "list::splice(iterator, list) called with an iterator not referring to this list"); |
| if (!__c.empty()) |
| { |
| __link_pointer __f = __c.__end_.__next_; |
| __link_pointer __l = __c.__end_.__prev_; |
| base::__unlink_nodes(__f, __l); |
| __link_nodes(__p.__ptr_, __f, __l); |
| base::__sz() += __c.__sz(); |
| __c.__sz() = 0; |
| #ifdef _LIBCPP_ENABLE_DEBUG_MODE |
| if (_VSTD::addressof(__c) != this) { |
| __libcpp_db* __db = __get_db(); |
| __c_node* __cn1 = __db->__find_c_and_lock(this); |
| __c_node* __cn2 = __db->__find_c(_VSTD::addressof(__c)); |
| for (__i_node** __ip = __cn2->end_; __ip != __cn2->beg_;) |
| { |
| --__ip; |
| iterator* __i = static_cast<iterator*>((*__ip)->__i_); |
| if (__i->__ptr_ != __c.__end_as_link()) |
| { |
| __cn1->__add(*__ip); |
| (*__ip)->__c_ = __cn1; |
| if (--__cn2->end_ != __ip) |
| _VSTD::memmove(__ip, __ip+1, (__cn2->end_ - __ip)*sizeof(__i_node*)); |
| } |
| } |
| __db->unlock(); |
| } |
| #endif |
| } |
| } |
| |
| template <class _Tp, class _Alloc> |
| void |
| list<_Tp, _Alloc>::splice(const_iterator __p, list& __c, const_iterator __i) |
| { |
| _LIBCPP_DEBUG_ASSERT(__get_const_db()->__find_c_from_i(_VSTD::addressof(__p)) == this, |
| "list::splice(iterator, list, iterator) called with the first iterator not referring to this list"); |
| _LIBCPP_DEBUG_ASSERT(__get_const_db()->__find_c_from_i(_VSTD::addressof(__i)) == _VSTD::addressof(__c), |
| "list::splice(iterator, list, iterator) called with the second iterator not referring to the list argument"); |
| _LIBCPP_DEBUG_ASSERT(__get_const_db()->__dereferenceable(_VSTD::addressof(__i)), |
| "list::splice(iterator, list, iterator) called with the second iterator not dereferenceable"); |
| |
| if (__p.__ptr_ != __i.__ptr_ && __p.__ptr_ != __i.__ptr_->__next_) |
| { |
| __link_pointer __f = __i.__ptr_; |
| base::__unlink_nodes(__f, __f); |
| __link_nodes(__p.__ptr_, __f, __f); |
| --__c.__sz(); |
| ++base::__sz(); |
| #ifdef _LIBCPP_ENABLE_DEBUG_MODE |
| if (_VSTD::addressof(__c) != this) { |
| __libcpp_db* __db = __get_db(); |
| __c_node* __cn1 = __db->__find_c_and_lock(this); |
| __c_node* __cn2 = __db->__find_c(_VSTD::addressof(__c)); |
| for (__i_node** __ip = __cn2->end_; __ip != __cn2->beg_;) |
| { |
| --__ip; |
| iterator* __j = static_cast<iterator*>((*__ip)->__i_); |
| if (__j->__ptr_ == __f) |
| { |
| __cn1->__add(*__ip); |
| (*__ip)->__c_ = __cn1; |
| if (--__cn2->end_ != __ip) |
| _VSTD::memmove(__ip, __ip+1, (__cn2->end_ - __ip)*sizeof(__i_node*)); |
| } |
| } |
| __db->unlock(); |
| } |
| #endif |
| } |
| } |
| |
| template <class _Iterator> |
| _LIBCPP_HIDE_FROM_ABI |
| bool __iterator_in_range(_Iterator __first, _Iterator __last, _Iterator __it) { |
| for (_Iterator __p = __first; __p != __last; ++__p) { |
| if (__p == __it) { |
| return true; |
| } |
| } |
| return false; |
| } |
| |
| template <class _Tp, class _Alloc> |
| void |
| list<_Tp, _Alloc>::splice(const_iterator __p, list& __c, const_iterator __f, const_iterator __l) |
| { |
| _LIBCPP_DEBUG_ASSERT(__get_const_db()->__find_c_from_i(_VSTD::addressof(__p)) == this, |
| "list::splice(iterator, list, iterator, iterator) called with first iterator not referring to this list"); |
| _LIBCPP_DEBUG_ASSERT(__get_const_db()->__find_c_from_i(_VSTD::addressof(__f)) == _VSTD::addressof(__c), |
| "list::splice(iterator, list, iterator, iterator) called with second iterator not referring to the list argument"); |
| _LIBCPP_DEBUG_ASSERT(__get_const_db()->__find_c_from_i(_VSTD::addressof(__l)) == _VSTD::addressof(__c), |
| "list::splice(iterator, list, iterator, iterator) called with third iterator not referring to the list argument"); |
| _LIBCPP_DEBUG_ASSERT(this != std::addressof(__c) || !std::__iterator_in_range(__f, __l, __p), |
| "list::splice(iterator, list, iterator, iterator)" |
| " called with the first iterator within the range of the second and third iterators"); |
| |
| if (__f != __l) |
| { |
| __link_pointer __first = __f.__ptr_; |
| --__l; |
| __link_pointer __last = __l.__ptr_; |
| if (this != _VSTD::addressof(__c)) |
| { |
| size_type __s = _VSTD::distance(__f, __l) + 1; |
| __c.__sz() -= __s; |
| base::__sz() += __s; |
| } |
| base::__unlink_nodes(__first, __last); |
| __link_nodes(__p.__ptr_, __first, __last); |
| #ifdef _LIBCPP_ENABLE_DEBUG_MODE |
| if (_VSTD::addressof(__c) != this) { |
| __libcpp_db* __db = __get_db(); |
| __c_node* __cn1 = __db->__find_c_and_lock(this); |
| __c_node* __cn2 = __db->__find_c(_VSTD::addressof(__c)); |
| for (__i_node** __ip = __cn2->end_; __ip != __cn2->beg_;) |
| { |
| --__ip; |
| iterator* __j = static_cast<iterator*>((*__ip)->__i_); |
| for (__link_pointer __k = __f.__ptr_; |
| __k != __l.__ptr_; __k = __k->__next_) |
| { |
| if (__j->__ptr_ == __k) |
| { |
| __cn1->__add(*__ip); |
| (*__ip)->__c_ = __cn1; |
| if (--__cn2->end_ != __ip) |
| _VSTD::memmove(__ip, __ip+1, (__cn2->end_ - __ip)*sizeof(__i_node*)); |
| } |
| } |
| } |
| __db->unlock(); |
| } |
| #endif |
| } |
| } |
| |
| template <class _Tp, class _Alloc> |
| typename list<_Tp, _Alloc>::__remove_return_type |
| list<_Tp, _Alloc>::remove(const value_type& __x) |
| { |
| list<_Tp, _Alloc> __deleted_nodes(get_allocator()); // collect the nodes we're removing |
| for (const_iterator __i = begin(), __e = end(); __i != __e;) |
| { |
| if (*__i == __x) |
| { |
| const_iterator __j = _VSTD::next(__i); |
| for (; __j != __e && *__j == __x; ++__j) |
| ; |
| __deleted_nodes.splice(__deleted_nodes.end(), *this, __i, __j); |
| __i = __j; |
| if (__i != __e) |
| ++__i; |
| } |
| else |
| ++__i; |
| } |
| |
| return (__remove_return_type) __deleted_nodes.size(); |
| } |
| |
| template <class _Tp, class _Alloc> |
| template <class _Pred> |
| typename list<_Tp, _Alloc>::__remove_return_type |
| list<_Tp, _Alloc>::remove_if(_Pred __pred) |
| { |
| list<_Tp, _Alloc> __deleted_nodes(get_allocator()); // collect the nodes we're removing |
| for (iterator __i = begin(), __e = end(); __i != __e;) |
| { |
| if (__pred(*__i)) |
| { |
| iterator __j = _VSTD::next(__i); |
| for (; __j != __e && __pred(*__j); ++__j) |
| ; |
| __deleted_nodes.splice(__deleted_nodes.end(), *this, __i, __j); |
| __i = __j; |
| if (__i != __e) |
| ++__i; |
| } |
| else |
| ++__i; |
| } |
| |
| return (__remove_return_type) __deleted_nodes.size(); |
| } |
| |
| template <class _Tp, class _Alloc> |
| template <class _BinaryPred> |
| typename list<_Tp, _Alloc>::__remove_return_type |
| list<_Tp, _Alloc>::unique(_BinaryPred __binary_pred) |
| { |
| list<_Tp, _Alloc> __deleted_nodes(get_allocator()); // collect the nodes we're removing |
| for (iterator __i = begin(), __e = end(); __i != __e;) |
| { |
| iterator __j = _VSTD::next(__i); |
| for (; __j != __e && __binary_pred(*__i, *__j); ++__j) |
| ; |
| if (++__i != __j) { |
| __deleted_nodes.splice(__deleted_nodes.end(), *this, __i, __j); |
| __i = __j; |
| } |
| } |
| |
| return (__remove_return_type) __deleted_nodes.size(); |
| } |
| |
| template <class _Tp, class _Alloc> |
| inline |
| void |
| list<_Tp, _Alloc>::merge(list& __c) |
| { |
| merge(__c, __less<value_type>()); |
| } |
| |
| template <class _Tp, class _Alloc> |
| template <class _Comp> |
| void |
| list<_Tp, _Alloc>::merge(list& __c, _Comp __comp) |
| { |
| if (this != _VSTD::addressof(__c)) |
| { |
| iterator __f1 = begin(); |
| iterator __e1 = end(); |
| iterator __f2 = __c.begin(); |
| iterator __e2 = __c.end(); |
| while (__f1 != __e1 && __f2 != __e2) |
| { |
| if (__comp(*__f2, *__f1)) |
| { |
| size_type __ds = 1; |
| iterator __m2 = _VSTD::next(__f2); |
| for (; __m2 != __e2 && __comp(*__m2, *__f1); ++__m2, (void) ++__ds) |
| ; |
| base::__sz() += __ds; |
| __c.__sz() -= __ds; |
| __link_pointer __f = __f2.__ptr_; |
| __link_pointer __l = __m2.__ptr_->__prev_; |
| __f2 = __m2; |
| base::__unlink_nodes(__f, __l); |
| __m2 = _VSTD::next(__f1); |
| __link_nodes(__f1.__ptr_, __f, __l); |
| __f1 = __m2; |
| } |
| else |
| ++__f1; |
| } |
| splice(__e1, __c); |
| #ifdef _LIBCPP_ENABLE_DEBUG_MODE |
| __libcpp_db* __db = __get_db(); |
| __c_node* __cn1 = __db->__find_c_and_lock(this); |
| __c_node* __cn2 = __db->__find_c(_VSTD::addressof(__c)); |
| for (__i_node** __p = __cn2->end_; __p != __cn2->beg_;) |
| { |
| --__p; |
| iterator* __i = static_cast<iterator*>((*__p)->__i_); |
| if (__i->__ptr_ != __c.__end_as_link()) |
| { |
| __cn1->__add(*__p); |
| (*__p)->__c_ = __cn1; |
| if (--__cn2->end_ != __p) |
| _VSTD::memmove(__p, __p+1, (__cn2->end_ - __p)*sizeof(__i_node*)); |
| } |
| } |
| __db->unlock(); |
| #endif |
| } |
| } |
| |
| template <class _Tp, class _Alloc> |
| inline |
| void |
| list<_Tp, _Alloc>::sort() |
| { |
| sort(__less<value_type>()); |
| } |
| |
| template <class _Tp, class _Alloc> |
| template <class _Comp> |
| inline |
| void |
| list<_Tp, _Alloc>::sort(_Comp __comp) |
| { |
| __sort(begin(), end(), base::__sz(), __comp); |
| } |
| |
| template <class _Tp, class _Alloc> |
| template <class _Comp> |
| typename list<_Tp, _Alloc>::iterator |
| list<_Tp, _Alloc>::__sort(iterator __f1, iterator __e2, size_type __n, _Comp& __comp) |
| { |
| switch (__n) |
| { |
| case 0: |
| case 1: |
| return __f1; |
| case 2: |
| if (__comp(*--__e2, *__f1)) |
| { |
| __link_pointer __f = __e2.__ptr_; |
| base::__unlink_nodes(__f, __f); |
| __link_nodes(__f1.__ptr_, __f, __f); |
| return __e2; |
| } |
| return __f1; |
| } |
| size_type __n2 = __n / 2; |
| iterator __e1 = _VSTD::next(__f1, __n2); |
| iterator __r = __f1 = __sort(__f1, __e1, __n2, __comp); |
| iterator __f2 = __e1 = __sort(__e1, __e2, __n - __n2, __comp); |
| if (__comp(*__f2, *__f1)) |
| { |
| iterator __m2 = _VSTD::next(__f2); |
| for (; __m2 != __e2 && __comp(*__m2, *__f1); ++__m2) |
| ; |
| __link_pointer __f = __f2.__ptr_; |
| __link_pointer __l = __m2.__ptr_->__prev_; |
| __r = __f2; |
| __e1 = __f2 = __m2; |
| base::__unlink_nodes(__f, __l); |
| __m2 = _VSTD::next(__f1); |
| __link_nodes(__f1.__ptr_, __f, __l); |
| __f1 = __m2; |
| } |
| else |
| ++__f1; |
| while (__f1 != __e1 && __f2 != __e2) |
| { |
| if (__comp(*__f2, *__f1)) |
| { |
| iterator __m2 = _VSTD::next(__f2); |
| for (; __m2 != __e2 && __comp(*__m2, *__f1); ++__m2) |
| ; |
| __link_pointer __f = __f2.__ptr_; |
| __link_pointer __l = __m2.__ptr_->__prev_; |
| if (__e1 == __f2) |
| __e1 = __m2; |
| __f2 = __m2; |
| base::__unlink_nodes(__f, __l); |
| __m2 = _VSTD::next(__f1); |
| __link_nodes(__f1.__ptr_, __f, __l); |
| __f1 = __m2; |
| } |
| else |
| ++__f1; |
| } |
| return __r; |
| } |
| |
| template <class _Tp, class _Alloc> |
| void |
| list<_Tp, _Alloc>::reverse() _NOEXCEPT |
| { |
| if (base::__sz() > 1) |
| { |
| iterator __e = end(); |
| for (iterator __i = begin(); __i.__ptr_ != __e.__ptr_;) |
| { |
| _VSTD::swap(__i.__ptr_->__prev_, __i.__ptr_->__next_); |
| __i.__ptr_ = __i.__ptr_->__prev_; |
| } |
| _VSTD::swap(__e.__ptr_->__prev_, __e.__ptr_->__next_); |
| } |
| } |
| |
| template <class _Tp, class _Alloc> |
| bool |
| list<_Tp, _Alloc>::__invariants() const |
| { |
| return size() == _VSTD::distance(begin(), end()); |
| } |
| |
| #ifdef _LIBCPP_ENABLE_DEBUG_MODE |
| |
| template <class _Tp, class _Alloc> |
| bool |
| list<_Tp, _Alloc>::__dereferenceable(const const_iterator* __i) const |
| { |
| return __i->__ptr_ != this->__end_as_link(); |
| } |
| |
| template <class _Tp, class _Alloc> |
| bool |
| list<_Tp, _Alloc>::__decrementable(const const_iterator* __i) const |
| { |
| return !empty() && __i->__ptr_ != base::__end_.__next_; |
| } |
| |
| template <class _Tp, class _Alloc> |
| bool |
| list<_Tp, _Alloc>::__addable(const const_iterator*, ptrdiff_t) const |
| { |
| return false; |
| } |
| |
| template <class _Tp, class _Alloc> |
| bool |
| list<_Tp, _Alloc>::__subscriptable(const const_iterator*, ptrdiff_t) const |
| { |
| return false; |
| } |
| |
| #endif // _LIBCPP_ENABLE_DEBUG_MODE |
| |
| template <class _Tp, class _Alloc> |
| inline _LIBCPP_INLINE_VISIBILITY |
| bool |
| operator==(const list<_Tp, _Alloc>& __x, const list<_Tp, _Alloc>& __y) |
| { |
| return __x.size() == __y.size() && _VSTD::equal(__x.begin(), __x.end(), __y.begin()); |
| } |
| |
| template <class _Tp, class _Alloc> |
| inline _LIBCPP_INLINE_VISIBILITY |
| bool |
| operator< (const list<_Tp, _Alloc>& __x, const list<_Tp, _Alloc>& __y) |
| { |
| return _VSTD::lexicographical_compare(__x.begin(), __x.end(), __y.begin(), __y.end()); |
| } |
| |
| template <class _Tp, class _Alloc> |
| inline _LIBCPP_INLINE_VISIBILITY |
| bool |
| operator!=(const list<_Tp, _Alloc>& __x, const list<_Tp, _Alloc>& __y) |
| { |
| return !(__x == __y); |
| } |
| |
| template <class _Tp, class _Alloc> |
| inline _LIBCPP_INLINE_VISIBILITY |
| bool |
| operator> (const list<_Tp, _Alloc>& __x, const list<_Tp, _Alloc>& __y) |
| { |
| return __y < __x; |
| } |
| |
| template <class _Tp, class _Alloc> |
| inline _LIBCPP_INLINE_VISIBILITY |
| bool |
| operator>=(const list<_Tp, _Alloc>& __x, const list<_Tp, _Alloc>& __y) |
| { |
| return !(__x < __y); |
| } |
| |
| template <class _Tp, class _Alloc> |
| inline _LIBCPP_INLINE_VISIBILITY |
| bool |
| operator<=(const list<_Tp, _Alloc>& __x, const list<_Tp, _Alloc>& __y) |
| { |
| return !(__y < __x); |
| } |
| |
| template <class _Tp, class _Alloc> |
| inline _LIBCPP_INLINE_VISIBILITY |
| void |
| swap(list<_Tp, _Alloc>& __x, list<_Tp, _Alloc>& __y) |
| _NOEXCEPT_(_NOEXCEPT_(__x.swap(__y))) |
| { |
| __x.swap(__y); |
| } |
| |
| #if _LIBCPP_STD_VER > 17 |
| template <class _Tp, class _Allocator, class _Predicate> |
| inline _LIBCPP_INLINE_VISIBILITY typename list<_Tp, _Allocator>::size_type |
| erase_if(list<_Tp, _Allocator>& __c, _Predicate __pred) { |
| return __c.remove_if(__pred); |
| } |
| |
| template <class _Tp, class _Allocator, class _Up> |
| inline _LIBCPP_INLINE_VISIBILITY typename list<_Tp, _Allocator>::size_type |
| erase(list<_Tp, _Allocator>& __c, const _Up& __v) { |
| return _VSTD::erase_if(__c, [&](auto& __elem) { return __elem == __v; }); |
| } |
| |
| template <> |
| inline constexpr bool __format::__enable_insertable<std::list<char>> = true; |
| #ifndef _LIBCPP_HAS_NO_WIDE_CHARACTERS |
| template <> |
| inline constexpr bool __format::__enable_insertable<std::list<wchar_t>> = true; |
| #endif |
| |
| #endif // _LIBCPP_STD_VER > 17 |
| |
| _LIBCPP_END_NAMESPACE_STD |
| |
| #if _LIBCPP_STD_VER > 14 |
| _LIBCPP_BEGIN_NAMESPACE_STD |
| namespace pmr { |
| template <class _ValueT> |
| using list = std::list<_ValueT, polymorphic_allocator<_ValueT>>; |
| } // namespace pmr |
| _LIBCPP_END_NAMESPACE_STD |
| #endif |
| |
| _LIBCPP_POP_MACROS |
| |
| #if !defined(_LIBCPP_REMOVE_TRANSITIVE_INCLUDES) && _LIBCPP_STD_VER <= 20 |
| # include <algorithm> |
| # include <atomic> |
| # include <concepts> |
| # include <functional> |
| # include <iosfwd> |
| # include <iterator> |
| # include <typeinfo> |
| #endif |
| |
| #endif // _LIBCPP_LIST |
