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| 1 | 13 | up20180614 | // -*- C++ -*- |
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| 2 | //===---------------------------- deque -----------------------------------===// |
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| 3 | // |
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| 4 | // The LLVM Compiler Infrastructure |
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| 5 | // |
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| 6 | // This file is dual licensed under the MIT and the University of Illinois Open |
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| 7 | // Source Licenses. See LICENSE.TXT for details. |
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| 8 | // |
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| 9 | //===----------------------------------------------------------------------===// |
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| 10 | |||
| 11 | #ifndef _LIBCPP_DEQUE |
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| 12 | #define _LIBCPP_DEQUE |
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| 13 | |||
| 14 | /* |
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| 15 | deque synopsis |
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| 16 | |||
| 17 | namespace std |
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| 18 | {
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| 19 | |||
| 20 | template <class T, class Allocator = allocator<T> > |
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| 21 | class deque |
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| 22 | {
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| 23 | public: |
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| 24 | // types: |
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| 25 | typedef T value_type; |
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| 26 | typedef Allocator allocator_type; |
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| 27 | |||
| 28 | typedef typename allocator_type::reference reference; |
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| 29 | typedef typename allocator_type::const_reference const_reference; |
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| 30 | typedef implementation-defined iterator; |
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| 31 | typedef implementation-defined const_iterator; |
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| 32 | typedef typename allocator_type::size_type size_type; |
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| 33 | typedef typename allocator_type::difference_type difference_type; |
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| 34 | |||
| 35 | typedef typename allocator_type::pointer pointer; |
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| 36 | typedef typename allocator_type::const_pointer const_pointer; |
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| 37 | typedef std::reverse_iterator<iterator> reverse_iterator; |
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| 38 | typedef std::reverse_iterator<const_iterator> const_reverse_iterator; |
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| 39 | |||
| 40 | // construct/copy/destroy: |
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| 41 | deque() noexcept(is_nothrow_default_constructible<allocator_type>::value); |
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| 42 | explicit deque(const allocator_type& a); |
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| 43 | explicit deque(size_type n); |
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| 44 | explicit deque(size_type n, const allocator_type& a); // C++14 |
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| 45 | deque(size_type n, const value_type& v); |
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| 46 | deque(size_type n, const value_type& v, const allocator_type& a); |
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| 47 | template <class InputIterator> |
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| 48 | deque(InputIterator f, InputIterator l); |
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| 49 | template <class InputIterator> |
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| 50 | deque(InputIterator f, InputIterator l, const allocator_type& a); |
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| 51 | deque(const deque& c); |
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| 52 | deque(deque&& c) |
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| 53 | noexcept(is_nothrow_move_constructible<allocator_type>::value); |
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| 54 | deque(initializer_list<value_type> il, const Allocator& a = allocator_type()); |
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| 55 | deque(const deque& c, const allocator_type& a); |
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| 56 | deque(deque&& c, const allocator_type& a); |
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| 57 | ~deque(); |
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| 58 | |||
| 59 | deque& operator=(const deque& c); |
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| 60 | deque& operator=(deque&& c) |
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| 61 | noexcept( |
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| 62 | allocator_type::propagate_on_container_move_assignment::value && |
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| 63 | is_nothrow_move_assignable<allocator_type>::value); |
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| 64 | deque& operator=(initializer_list<value_type> il); |
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| 65 | |||
| 66 | template <class InputIterator> |
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| 67 | void assign(InputIterator f, InputIterator l); |
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| 68 | void assign(size_type n, const value_type& v); |
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| 69 | void assign(initializer_list<value_type> il); |
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| 70 | |||
| 71 | allocator_type get_allocator() const noexcept; |
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| 72 | |||
| 73 | // iterators: |
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| 74 | |||
| 75 | iterator begin() noexcept; |
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| 76 | const_iterator begin() const noexcept; |
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| 77 | iterator end() noexcept; |
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| 78 | const_iterator end() const noexcept; |
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| 79 | |||
| 80 | reverse_iterator rbegin() noexcept; |
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| 81 | const_reverse_iterator rbegin() const noexcept; |
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| 82 | reverse_iterator rend() noexcept; |
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| 83 | const_reverse_iterator rend() const noexcept; |
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| 84 | |||
| 85 | const_iterator cbegin() const noexcept; |
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| 86 | const_iterator cend() const noexcept; |
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| 87 | const_reverse_iterator crbegin() const noexcept; |
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| 88 | const_reverse_iterator crend() const noexcept; |
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| 89 | |||
| 90 | // capacity: |
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| 91 | size_type size() const noexcept; |
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| 92 | size_type max_size() const noexcept; |
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| 93 | void resize(size_type n); |
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| 94 | void resize(size_type n, const value_type& v); |
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| 95 | void shrink_to_fit(); |
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| 96 | bool empty() const noexcept; |
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| 97 | |||
| 98 | // element access: |
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| 99 | reference operator[](size_type i); |
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| 100 | const_reference operator[](size_type i) const; |
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| 101 | reference at(size_type i); |
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| 102 | const_reference at(size_type i) const; |
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| 103 | reference front(); |
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| 104 | const_reference front() const; |
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| 105 | reference back(); |
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| 106 | const_reference back() const; |
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| 107 | |||
| 108 | // modifiers: |
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| 109 | void push_front(const value_type& v); |
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| 110 | void push_front(value_type&& v); |
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| 111 | void push_back(const value_type& v); |
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| 112 | void push_back(value_type&& v); |
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| 113 | template <class... Args> void emplace_front(Args&&... args); |
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| 114 | template <class... Args> void emplace_back(Args&&... args); |
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| 115 | template <class... Args> iterator emplace(const_iterator p, Args&&... args); |
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| 116 | iterator insert(const_iterator p, const value_type& v); |
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| 117 | iterator insert(const_iterator p, value_type&& v); |
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| 118 | iterator insert(const_iterator p, size_type n, const value_type& v); |
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| 119 | template <class InputIterator> |
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| 120 | iterator insert(const_iterator p, InputIterator f, InputIterator l); |
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| 121 | iterator insert(const_iterator p, initializer_list<value_type> il); |
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| 122 | void pop_front(); |
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| 123 | void pop_back(); |
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| 124 | iterator erase(const_iterator p); |
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| 125 | iterator erase(const_iterator f, const_iterator l); |
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| 126 | void swap(deque& c) |
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| 127 | noexcept(allocator_traits<allocator_type>::is_always_equal::value); // C++17 |
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| 128 | void clear() noexcept; |
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| 129 | }; |
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| 130 | |||
| 131 | template <class T, class Allocator> |
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| 132 | bool operator==(const deque<T,Allocator>& x, const deque<T,Allocator>& y); |
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| 133 | template <class T, class Allocator> |
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| 134 | bool operator< (const deque<T,Allocator>& x, const deque<T,Allocator>& y); |
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| 135 | template <class T, class Allocator> |
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| 136 | bool operator!=(const deque<T,Allocator>& x, const deque<T,Allocator>& y); |
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| 137 | template <class T, class Allocator> |
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| 138 | bool operator> (const deque<T,Allocator>& x, const deque<T,Allocator>& y); |
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| 139 | template <class T, class Allocator> |
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| 140 | bool operator>=(const deque<T,Allocator>& x, const deque<T,Allocator>& y); |
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| 141 | template <class T, class Allocator> |
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| 142 | bool operator<=(const deque<T,Allocator>& x, const deque<T,Allocator>& y); |
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| 143 | |||
| 144 | // specialized algorithms: |
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| 145 | template <class T, class Allocator> |
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| 146 | void swap(deque<T,Allocator>& x, deque<T,Allocator>& y) |
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| 147 | noexcept(noexcept(x.swap(y))); |
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| 148 | |||
| 149 | } // std |
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| 150 | |||
| 151 | */ |
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| 152 | |||
| 153 | #if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER) |
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| 154 | #pragma GCC system_header |
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| 155 | #endif |
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| 156 | |||
| 157 | #include <__config> |
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| 158 | #include <__split_buffer> |
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| 159 | #include <type_traits> |
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| 160 | #include <initializer_list> |
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| 161 | #include <iterator> |
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| 162 | #include <algorithm> |
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| 163 | #include <stdexcept> |
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| 164 | |||
| 165 | #include <__undef_min_max> |
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| 166 | |||
| 167 | _LIBCPP_BEGIN_NAMESPACE_STD |
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| 168 | |||
| 169 | template <class _Tp, class _Allocator> class __deque_base; |
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| 170 | template <class _Tp, class _Allocator = allocator<_Tp> > class _LIBCPP_TYPE_VIS_ONLY deque; |
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| 171 | |||
| 172 | template <class _ValueType, class _Pointer, class _Reference, class _MapPointer, |
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| 173 | class _DiffType, _DiffType _BlockSize> |
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| 174 | class _LIBCPP_TYPE_VIS_ONLY __deque_iterator; |
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| 175 | |||
| 176 | template <class _RAIter, |
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| 177 | class _V2, class _P2, class _R2, class _M2, class _D2, _D2 _B2> |
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| 178 | __deque_iterator<_V2, _P2, _R2, _M2, _D2, _B2> |
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| 179 | copy(_RAIter __f, |
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| 180 | _RAIter __l, |
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| 181 | __deque_iterator<_V2, _P2, _R2, _M2, _D2, _B2> __r, |
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| 182 | typename enable_if<__is_random_access_iterator<_RAIter>::value>::type* = 0); |
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| 183 | |||
| 184 | template <class _V1, class _P1, class _R1, class _M1, class _D1, _D1 _B1, |
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| 185 | class _OutputIterator> |
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| 186 | _OutputIterator |
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| 187 | copy(__deque_iterator<_V1, _P1, _R1, _M1, _D1, _B1> __f, |
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| 188 | __deque_iterator<_V1, _P1, _R1, _M1, _D1, _B1> __l, |
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| 189 | _OutputIterator __r); |
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| 190 | |||
| 191 | template <class _V1, class _P1, class _R1, class _M1, class _D1, _D1 _B1, |
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| 192 | class _V2, class _P2, class _R2, class _M2, class _D2, _D2 _B2> |
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| 193 | __deque_iterator<_V2, _P2, _R2, _M2, _D2, _B2> |
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| 194 | copy(__deque_iterator<_V1, _P1, _R1, _M1, _D1, _B1> __f, |
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| 195 | __deque_iterator<_V1, _P1, _R1, _M1, _D1, _B1> __l, |
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| 196 | __deque_iterator<_V2, _P2, _R2, _M2, _D2, _B2> __r); |
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| 197 | |||
| 198 | template <class _RAIter, |
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| 199 | class _V2, class _P2, class _R2, class _M2, class _D2, _D2 _B2> |
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| 200 | __deque_iterator<_V2, _P2, _R2, _M2, _D2, _B2> |
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| 201 | copy_backward(_RAIter __f, |
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| 202 | _RAIter __l, |
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| 203 | __deque_iterator<_V2, _P2, _R2, _M2, _D2, _B2> __r, |
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| 204 | typename enable_if<__is_random_access_iterator<_RAIter>::value>::type* = 0); |
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| 205 | |||
| 206 | template <class _V1, class _P1, class _R1, class _M1, class _D1, _D1 _B1, |
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| 207 | class _OutputIterator> |
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| 208 | _OutputIterator |
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| 209 | copy_backward(__deque_iterator<_V1, _P1, _R1, _M1, _D1, _B1> __f, |
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| 210 | __deque_iterator<_V1, _P1, _R1, _M1, _D1, _B1> __l, |
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| 211 | _OutputIterator __r); |
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| 212 | |||
| 213 | template <class _V1, class _P1, class _R1, class _M1, class _D1, _D1 _B1, |
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| 214 | class _V2, class _P2, class _R2, class _M2, class _D2, _D2 _B2> |
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| 215 | __deque_iterator<_V2, _P2, _R2, _M2, _D2, _B2> |
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| 216 | copy_backward(__deque_iterator<_V1, _P1, _R1, _M1, _D1, _B1> __f, |
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| 217 | __deque_iterator<_V1, _P1, _R1, _M1, _D1, _B1> __l, |
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| 218 | __deque_iterator<_V2, _P2, _R2, _M2, _D2, _B2> __r); |
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| 219 | |||
| 220 | template <class _RAIter, |
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| 221 | class _V2, class _P2, class _R2, class _M2, class _D2, _D2 _B2> |
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| 222 | __deque_iterator<_V2, _P2, _R2, _M2, _D2, _B2> |
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| 223 | move(_RAIter __f, |
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| 224 | _RAIter __l, |
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| 225 | __deque_iterator<_V2, _P2, _R2, _M2, _D2, _B2> __r, |
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| 226 | typename enable_if<__is_random_access_iterator<_RAIter>::value>::type* = 0); |
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| 227 | |||
| 228 | template <class _V1, class _P1, class _R1, class _M1, class _D1, _D1 _B1, |
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| 229 | class _OutputIterator> |
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| 230 | _OutputIterator |
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| 231 | move(__deque_iterator<_V1, _P1, _R1, _M1, _D1, _B1> __f, |
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| 232 | __deque_iterator<_V1, _P1, _R1, _M1, _D1, _B1> __l, |
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| 233 | _OutputIterator __r); |
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| 234 | |||
| 235 | template <class _V1, class _P1, class _R1, class _M1, class _D1, _D1 _B1, |
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| 236 | class _V2, class _P2, class _R2, class _M2, class _D2, _D2 _B2> |
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| 237 | __deque_iterator<_V2, _P2, _R2, _M2, _D2, _B2> |
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| 238 | move(__deque_iterator<_V1, _P1, _R1, _M1, _D1, _B1> __f, |
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| 239 | __deque_iterator<_V1, _P1, _R1, _M1, _D1, _B1> __l, |
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| 240 | __deque_iterator<_V2, _P2, _R2, _M2, _D2, _B2> __r); |
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| 241 | |||
| 242 | template <class _RAIter, |
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| 243 | class _V2, class _P2, class _R2, class _M2, class _D2, _D2 _B2> |
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| 244 | __deque_iterator<_V2, _P2, _R2, _M2, _D2, _B2> |
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| 245 | move_backward(_RAIter __f, |
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| 246 | _RAIter __l, |
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| 247 | __deque_iterator<_V2, _P2, _R2, _M2, _D2, _B2> __r, |
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| 248 | typename enable_if<__is_random_access_iterator<_RAIter>::value>::type* = 0); |
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| 249 | |||
| 250 | template <class _V1, class _P1, class _R1, class _M1, class _D1, _D1 _B1, |
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| 251 | class _OutputIterator> |
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| 252 | _OutputIterator |
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| 253 | move_backward(__deque_iterator<_V1, _P1, _R1, _M1, _D1, _B1> __f, |
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| 254 | __deque_iterator<_V1, _P1, _R1, _M1, _D1, _B1> __l, |
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| 255 | _OutputIterator __r); |
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| 256 | |||
| 257 | template <class _V1, class _P1, class _R1, class _M1, class _D1, _D1 _B1, |
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| 258 | class _V2, class _P2, class _R2, class _M2, class _D2, _D2 _B2> |
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| 259 | __deque_iterator<_V2, _P2, _R2, _M2, _D2, _B2> |
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| 260 | move_backward(__deque_iterator<_V1, _P1, _R1, _M1, _D1, _B1> __f, |
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| 261 | __deque_iterator<_V1, _P1, _R1, _M1, _D1, _B1> __l, |
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| 262 | __deque_iterator<_V2, _P2, _R2, _M2, _D2, _B2> __r); |
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| 263 | |||
| 264 | template <class _ValueType, class _Pointer, class _Reference, class _MapPointer, |
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| 265 | class _DiffType, _DiffType _BlockSize> |
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| 266 | class _LIBCPP_TYPE_VIS_ONLY __deque_iterator |
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| 267 | {
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| 268 | typedef _MapPointer __map_iterator; |
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| 269 | public: |
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| 270 | typedef _Pointer pointer; |
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| 271 | typedef _DiffType difference_type; |
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| 272 | private: |
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| 273 | __map_iterator __m_iter_; |
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| 274 | pointer __ptr_; |
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| 275 | |||
| 276 | static const difference_type __block_size = _BlockSize; |
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| 277 | public: |
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| 278 | typedef _ValueType value_type; |
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| 279 | typedef random_access_iterator_tag iterator_category; |
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| 280 | typedef _Reference reference; |
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| 281 | |||
| 282 | _LIBCPP_INLINE_VISIBILITY __deque_iterator() _NOEXCEPT |
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| 283 | #if _LIBCPP_STD_VER > 11 |
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| 284 | : __m_iter_(nullptr), __ptr_(nullptr) |
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| 285 | #endif |
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| 286 | {}
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| 287 | |||
| 288 | template <class _Pp, class _Rp, class _MP> |
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| 289 | _LIBCPP_INLINE_VISIBILITY |
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| 290 | __deque_iterator(const __deque_iterator<value_type, _Pp, _Rp, _MP, difference_type, __block_size>& __it, |
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| 291 | typename enable_if<is_convertible<_Pp, pointer>::value>::type* = 0) _NOEXCEPT |
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| 292 | : __m_iter_(__it.__m_iter_), __ptr_(__it.__ptr_) {}
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| 293 | |||
| 294 | _LIBCPP_INLINE_VISIBILITY reference operator*() const {return *__ptr_;}
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| 295 | _LIBCPP_INLINE_VISIBILITY pointer operator->() const {return __ptr_;}
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| 296 | |||
| 297 | _LIBCPP_INLINE_VISIBILITY __deque_iterator& operator++() |
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| 298 | {
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| 299 | if (++__ptr_ - *__m_iter_ == __block_size) |
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| 300 | {
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| 301 | ++__m_iter_; |
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| 302 | __ptr_ = *__m_iter_; |
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| 303 | } |
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| 304 | return *this; |
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| 305 | } |
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| 306 | |||
| 307 | _LIBCPP_INLINE_VISIBILITY __deque_iterator operator++(int) |
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| 308 | {
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| 309 | __deque_iterator __tmp = *this; |
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| 310 | ++(*this); |
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| 311 | return __tmp; |
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| 312 | } |
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| 313 | |||
| 314 | _LIBCPP_INLINE_VISIBILITY __deque_iterator& operator--() |
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| 315 | {
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| 316 | if (__ptr_ == *__m_iter_) |
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| 317 | {
|
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| 318 | --__m_iter_; |
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| 319 | __ptr_ = *__m_iter_ + __block_size; |
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| 320 | } |
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| 321 | --__ptr_; |
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| 322 | return *this; |
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| 323 | } |
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| 324 | |||
| 325 | _LIBCPP_INLINE_VISIBILITY __deque_iterator operator--(int) |
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| 326 | {
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| 327 | __deque_iterator __tmp = *this; |
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| 328 | --(*this); |
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| 329 | return __tmp; |
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| 330 | } |
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| 331 | |||
| 332 | _LIBCPP_INLINE_VISIBILITY __deque_iterator& operator+=(difference_type __n) |
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| 333 | {
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| 334 | if (__n != 0) |
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| 335 | {
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| 336 | __n += __ptr_ - *__m_iter_; |
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| 337 | if (__n > 0) |
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| 338 | {
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| 339 | __m_iter_ += __n / __block_size; |
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| 340 | __ptr_ = *__m_iter_ + __n % __block_size; |
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| 341 | } |
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| 342 | else // (__n < 0) |
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| 343 | {
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| 344 | difference_type __z = __block_size - 1 - __n; |
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| 345 | __m_iter_ -= __z / __block_size; |
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| 346 | __ptr_ = *__m_iter_ + (__block_size - 1 - __z % __block_size); |
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| 347 | } |
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| 348 | } |
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| 349 | return *this; |
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| 350 | } |
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| 351 | |||
| 352 | _LIBCPP_INLINE_VISIBILITY __deque_iterator& operator-=(difference_type __n) |
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| 353 | {
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| 354 | return *this += -__n; |
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| 355 | } |
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| 356 | |||
| 357 | _LIBCPP_INLINE_VISIBILITY __deque_iterator operator+(difference_type __n) const |
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| 358 | {
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| 359 | __deque_iterator __t(*this); |
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| 360 | __t += __n; |
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| 361 | return __t; |
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| 362 | } |
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| 363 | |||
| 364 | _LIBCPP_INLINE_VISIBILITY __deque_iterator operator-(difference_type __n) const |
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| 365 | {
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| 366 | __deque_iterator __t(*this); |
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| 367 | __t -= __n; |
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| 368 | return __t; |
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| 369 | } |
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| 370 | |||
| 371 | _LIBCPP_INLINE_VISIBILITY |
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| 372 | friend __deque_iterator operator+(difference_type __n, const __deque_iterator& __it) |
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| 373 | {return __it + __n;}
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| 374 | |||
| 375 | _LIBCPP_INLINE_VISIBILITY |
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| 376 | friend difference_type operator-(const __deque_iterator& __x, const __deque_iterator& __y) |
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| 377 | {
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| 378 | if (__x != __y) |
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| 379 | return (__x.__m_iter_ - __y.__m_iter_) * __block_size |
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| 380 | + (__x.__ptr_ - *__x.__m_iter_) |
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| 381 | - (__y.__ptr_ - *__y.__m_iter_); |
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| 382 | return 0; |
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| 383 | } |
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| 384 | |||
| 385 | _LIBCPP_INLINE_VISIBILITY reference operator[](difference_type __n) const |
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| 386 | {return *(*this + __n);}
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| 387 | |||
| 388 | _LIBCPP_INLINE_VISIBILITY friend |
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| 389 | bool operator==(const __deque_iterator& __x, const __deque_iterator& __y) |
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| 390 | {return __x.__ptr_ == __y.__ptr_;}
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| 391 | |||
| 392 | _LIBCPP_INLINE_VISIBILITY friend |
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| 393 | bool operator!=(const __deque_iterator& __x, const __deque_iterator& __y) |
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| 394 | {return !(__x == __y);}
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| 395 | |||
| 396 | _LIBCPP_INLINE_VISIBILITY friend |
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| 397 | bool operator<(const __deque_iterator& __x, const __deque_iterator& __y) |
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| 398 | {return __x.__m_iter_ < __y.__m_iter_ ||
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| 399 | (__x.__m_iter_ == __y.__m_iter_ && __x.__ptr_ < __y.__ptr_);} |
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| 400 | |||
| 401 | _LIBCPP_INLINE_VISIBILITY friend |
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| 402 | bool operator>(const __deque_iterator& __x, const __deque_iterator& __y) |
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| 403 | {return __y < __x;}
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| 404 | |||
| 405 | _LIBCPP_INLINE_VISIBILITY friend |
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| 406 | bool operator<=(const __deque_iterator& __x, const __deque_iterator& __y) |
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| 407 | {return !(__y < __x);}
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| 408 | |||
| 409 | _LIBCPP_INLINE_VISIBILITY friend |
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| 410 | bool operator>=(const __deque_iterator& __x, const __deque_iterator& __y) |
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| 411 | {return !(__x < __y);}
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| 412 | |||
| 413 | private: |
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| 414 | _LIBCPP_INLINE_VISIBILITY __deque_iterator(__map_iterator __m, pointer __p) _NOEXCEPT |
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| 415 | : __m_iter_(__m), __ptr_(__p) {}
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| 416 | |||
| 417 | template <class _Tp, class _Ap> friend class __deque_base; |
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| 418 | template <class _Tp, class _Ap> friend class _LIBCPP_TYPE_VIS_ONLY deque; |
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| 419 | template <class _Vp, class _Pp, class _Rp, class _MP, class _Dp, _Dp> |
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| 420 | friend class _LIBCPP_TYPE_VIS_ONLY __deque_iterator; |
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| 421 | |||
| 422 | template <class _RAIter, |
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| 423 | class _V2, class _P2, class _R2, class _M2, class _D2, _D2 _B2> |
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| 424 | friend |
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| 425 | __deque_iterator<_V2, _P2, _R2, _M2, _D2, _B2> |
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| 426 | copy(_RAIter __f, |
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| 427 | _RAIter __l, |
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| 428 | __deque_iterator<_V2, _P2, _R2, _M2, _D2, _B2> __r, |
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| 429 | typename enable_if<__is_random_access_iterator<_RAIter>::value>::type*); |
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| 430 | |||
| 431 | template <class _V1, class _P1, class _R1, class _M1, class _D1, _D1 _B1, |
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| 432 | class _OutputIterator> |
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| 433 | friend |
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| 434 | _OutputIterator |
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| 435 | copy(__deque_iterator<_V1, _P1, _R1, _M1, _D1, _B1> __f, |
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| 436 | __deque_iterator<_V1, _P1, _R1, _M1, _D1, _B1> __l, |
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| 437 | _OutputIterator __r); |
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| 438 | |||
| 439 | template <class _V1, class _P1, class _R1, class _M1, class _D1, _D1 _B1, |
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| 440 | class _V2, class _P2, class _R2, class _M2, class _D2, _D2 _B2> |
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| 441 | friend |
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| 442 | __deque_iterator<_V2, _P2, _R2, _M2, _D2, _B2> |
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| 443 | copy(__deque_iterator<_V1, _P1, _R1, _M1, _D1, _B1> __f, |
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| 444 | __deque_iterator<_V1, _P1, _R1, _M1, _D1, _B1> __l, |
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| 445 | __deque_iterator<_V2, _P2, _R2, _M2, _D2, _B2> __r); |
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| 446 | |||
| 447 | template <class _RAIter, |
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| 448 | class _V2, class _P2, class _R2, class _M2, class _D2, _D2 _B2> |
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| 449 | friend |
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| 450 | __deque_iterator<_V2, _P2, _R2, _M2, _D2, _B2> |
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| 451 | copy_backward(_RAIter __f, |
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| 452 | _RAIter __l, |
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| 453 | __deque_iterator<_V2, _P2, _R2, _M2, _D2, _B2> __r, |
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| 454 | typename enable_if<__is_random_access_iterator<_RAIter>::value>::type*); |
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| 455 | |||
| 456 | template <class _V1, class _P1, class _R1, class _M1, class _D1, _D1 _B1, |
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| 457 | class _OutputIterator> |
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| 458 | friend |
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| 459 | _OutputIterator |
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| 460 | copy_backward(__deque_iterator<_V1, _P1, _R1, _M1, _D1, _B1> __f, |
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| 461 | __deque_iterator<_V1, _P1, _R1, _M1, _D1, _B1> __l, |
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| 462 | _OutputIterator __r); |
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| 463 | |||
| 464 | template <class _V1, class _P1, class _R1, class _M1, class _D1, _D1 _B1, |
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| 465 | class _V2, class _P2, class _R2, class _M2, class _D2, _D2 _B2> |
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| 466 | friend |
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| 467 | __deque_iterator<_V2, _P2, _R2, _M2, _D2, _B2> |
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| 468 | copy_backward(__deque_iterator<_V1, _P1, _R1, _M1, _D1, _B1> __f, |
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| 469 | __deque_iterator<_V1, _P1, _R1, _M1, _D1, _B1> __l, |
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| 470 | __deque_iterator<_V2, _P2, _R2, _M2, _D2, _B2> __r); |
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| 471 | |||
| 472 | template <class _RAIter, |
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| 473 | class _V2, class _P2, class _R2, class _M2, class _D2, _D2 _B2> |
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| 474 | friend |
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| 475 | __deque_iterator<_V2, _P2, _R2, _M2, _D2, _B2> |
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| 476 | move(_RAIter __f, |
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| 477 | _RAIter __l, |
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| 478 | __deque_iterator<_V2, _P2, _R2, _M2, _D2, _B2> __r, |
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| 479 | typename enable_if<__is_random_access_iterator<_RAIter>::value>::type*); |
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| 480 | |||
| 481 | template <class _V1, class _P1, class _R1, class _M1, class _D1, _D1 _B1, |
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| 482 | class _OutputIterator> |
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| 483 | friend |
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| 484 | _OutputIterator |
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| 485 | move(__deque_iterator<_V1, _P1, _R1, _M1, _D1, _B1> __f, |
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| 486 | __deque_iterator<_V1, _P1, _R1, _M1, _D1, _B1> __l, |
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| 487 | _OutputIterator __r); |
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| 488 | |||
| 489 | template <class _V1, class _P1, class _R1, class _M1, class _D1, _D1 _B1, |
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| 490 | class _V2, class _P2, class _R2, class _M2, class _D2, _D2 _B2> |
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| 491 | friend |
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| 492 | __deque_iterator<_V2, _P2, _R2, _M2, _D2, _B2> |
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| 493 | move(__deque_iterator<_V1, _P1, _R1, _M1, _D1, _B1> __f, |
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| 494 | __deque_iterator<_V1, _P1, _R1, _M1, _D1, _B1> __l, |
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| 495 | __deque_iterator<_V2, _P2, _R2, _M2, _D2, _B2> __r); |
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| 496 | |||
| 497 | template <class _RAIter, |
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| 498 | class _V2, class _P2, class _R2, class _M2, class _D2, _D2 _B2> |
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| 499 | friend |
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| 500 | __deque_iterator<_V2, _P2, _R2, _M2, _D2, _B2> |
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| 501 | move_backward(_RAIter __f, |
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| 502 | _RAIter __l, |
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| 503 | __deque_iterator<_V2, _P2, _R2, _M2, _D2, _B2> __r, |
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| 504 | typename enable_if<__is_random_access_iterator<_RAIter>::value>::type*); |
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| 505 | |||
| 506 | template <class _V1, class _P1, class _R1, class _M1, class _D1, _D1 _B1, |
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| 507 | class _OutputIterator> |
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| 508 | friend |
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| 509 | _OutputIterator |
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| 510 | move_backward(__deque_iterator<_V1, _P1, _R1, _M1, _D1, _B1> __f, |
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| 511 | __deque_iterator<_V1, _P1, _R1, _M1, _D1, _B1> __l, |
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| 512 | _OutputIterator __r); |
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| 513 | |||
| 514 | template <class _V1, class _P1, class _R1, class _M1, class _D1, _D1 _B1, |
||
| 515 | class _V2, class _P2, class _R2, class _M2, class _D2, _D2 _B2> |
||
| 516 | friend |
||
| 517 | __deque_iterator<_V2, _P2, _R2, _M2, _D2, _B2> |
||
| 518 | move_backward(__deque_iterator<_V1, _P1, _R1, _M1, _D1, _B1> __f, |
||
| 519 | __deque_iterator<_V1, _P1, _R1, _M1, _D1, _B1> __l, |
||
| 520 | __deque_iterator<_V2, _P2, _R2, _M2, _D2, _B2> __r); |
||
| 521 | }; |
||
| 522 | |||
| 523 | // copy |
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| 524 | |||
| 525 | template <class _RAIter, |
||
| 526 | class _V2, class _P2, class _R2, class _M2, class _D2, _D2 _B2> |
||
| 527 | __deque_iterator<_V2, _P2, _R2, _M2, _D2, _B2> |
||
| 528 | copy(_RAIter __f, |
||
| 529 | _RAIter __l, |
||
| 530 | __deque_iterator<_V2, _P2, _R2, _M2, _D2, _B2> __r, |
||
| 531 | typename enable_if<__is_random_access_iterator<_RAIter>::value>::type*) |
||
| 532 | {
|
||
| 533 | typedef typename __deque_iterator<_V2, _P2, _R2, _M2, _D2, _B2>::difference_type difference_type; |
||
| 534 | typedef typename __deque_iterator<_V2, _P2, _R2, _M2, _D2, _B2>::pointer pointer; |
||
| 535 | while (__f != __l) |
||
| 536 | {
|
||
| 537 | pointer __rb = __r.__ptr_; |
||
| 538 | pointer __re = *__r.__m_iter_ + _B2; |
||
| 539 | difference_type __bs = __re - __rb; |
||
| 540 | difference_type __n = __l - __f; |
||
| 541 | _RAIter __m = __l; |
||
| 542 | if (__n > __bs) |
||
| 543 | {
|
||
| 544 | __n = __bs; |
||
| 545 | __m = __f + __n; |
||
| 546 | } |
||
| 547 | _VSTD::copy(__f, __m, __rb); |
||
| 548 | __f = __m; |
||
| 549 | __r += __n; |
||
| 550 | } |
||
| 551 | return __r; |
||
| 552 | } |
||
| 553 | |||
| 554 | template <class _V1, class _P1, class _R1, class _M1, class _D1, _D1 _B1, |
||
| 555 | class _OutputIterator> |
||
| 556 | _OutputIterator |
||
| 557 | copy(__deque_iterator<_V1, _P1, _R1, _M1, _D1, _B1> __f, |
||
| 558 | __deque_iterator<_V1, _P1, _R1, _M1, _D1, _B1> __l, |
||
| 559 | _OutputIterator __r) |
||
| 560 | {
|
||
| 561 | typedef typename __deque_iterator<_V1, _P1, _R1, _M1, _D1, _B1>::difference_type difference_type; |
||
| 562 | typedef typename __deque_iterator<_V1, _P1, _R1, _M1, _D1, _B1>::pointer pointer; |
||
| 563 | difference_type __n = __l - __f; |
||
| 564 | while (__n > 0) |
||
| 565 | {
|
||
| 566 | pointer __fb = __f.__ptr_; |
||
| 567 | pointer __fe = *__f.__m_iter_ + _B1; |
||
| 568 | difference_type __bs = __fe - __fb; |
||
| 569 | if (__bs > __n) |
||
| 570 | {
|
||
| 571 | __bs = __n; |
||
| 572 | __fe = __fb + __bs; |
||
| 573 | } |
||
| 574 | __r = _VSTD::copy(__fb, __fe, __r); |
||
| 575 | __n -= __bs; |
||
| 576 | __f += __bs; |
||
| 577 | } |
||
| 578 | return __r; |
||
| 579 | } |
||
| 580 | |||
| 581 | template <class _V1, class _P1, class _R1, class _M1, class _D1, _D1 _B1, |
||
| 582 | class _V2, class _P2, class _R2, class _M2, class _D2, _D2 _B2> |
||
| 583 | __deque_iterator<_V2, _P2, _R2, _M2, _D2, _B2> |
||
| 584 | copy(__deque_iterator<_V1, _P1, _R1, _M1, _D1, _B1> __f, |
||
| 585 | __deque_iterator<_V1, _P1, _R1, _M1, _D1, _B1> __l, |
||
| 586 | __deque_iterator<_V2, _P2, _R2, _M2, _D2, _B2> __r) |
||
| 587 | {
|
||
| 588 | typedef typename __deque_iterator<_V1, _P1, _R1, _M1, _D1, _B1>::difference_type difference_type; |
||
| 589 | typedef typename __deque_iterator<_V1, _P1, _R1, _M1, _D1, _B1>::pointer pointer; |
||
| 590 | difference_type __n = __l - __f; |
||
| 591 | while (__n > 0) |
||
| 592 | {
|
||
| 593 | pointer __fb = __f.__ptr_; |
||
| 594 | pointer __fe = *__f.__m_iter_ + _B1; |
||
| 595 | difference_type __bs = __fe - __fb; |
||
| 596 | if (__bs > __n) |
||
| 597 | {
|
||
| 598 | __bs = __n; |
||
| 599 | __fe = __fb + __bs; |
||
| 600 | } |
||
| 601 | __r = _VSTD::copy(__fb, __fe, __r); |
||
| 602 | __n -= __bs; |
||
| 603 | __f += __bs; |
||
| 604 | } |
||
| 605 | return __r; |
||
| 606 | } |
||
| 607 | |||
| 608 | // copy_backward |
||
| 609 | |||
| 610 | template <class _RAIter, |
||
| 611 | class _V2, class _P2, class _R2, class _M2, class _D2, _D2 _B2> |
||
| 612 | __deque_iterator<_V2, _P2, _R2, _M2, _D2, _B2> |
||
| 613 | copy_backward(_RAIter __f, |
||
| 614 | _RAIter __l, |
||
| 615 | __deque_iterator<_V2, _P2, _R2, _M2, _D2, _B2> __r, |
||
| 616 | typename enable_if<__is_random_access_iterator<_RAIter>::value>::type*) |
||
| 617 | {
|
||
| 618 | typedef typename __deque_iterator<_V2, _P2, _R2, _M2, _D2, _B2>::difference_type difference_type; |
||
| 619 | typedef typename __deque_iterator<_V2, _P2, _R2, _M2, _D2, _B2>::pointer pointer; |
||
| 620 | while (__f != __l) |
||
| 621 | {
|
||
| 622 | __deque_iterator<_V2, _P2, _R2, _M2, _D2, _B2> __rp = _VSTD::prev(__r); |
||
| 623 | pointer __rb = *__rp.__m_iter_; |
||
| 624 | pointer __re = __rp.__ptr_ + 1; |
||
| 625 | difference_type __bs = __re - __rb; |
||
| 626 | difference_type __n = __l - __f; |
||
| 627 | _RAIter __m = __f; |
||
| 628 | if (__n > __bs) |
||
| 629 | {
|
||
| 630 | __n = __bs; |
||
| 631 | __m = __l - __n; |
||
| 632 | } |
||
| 633 | _VSTD::copy_backward(__m, __l, __re); |
||
| 634 | __l = __m; |
||
| 635 | __r -= __n; |
||
| 636 | } |
||
| 637 | return __r; |
||
| 638 | } |
||
| 639 | |||
| 640 | template <class _V1, class _P1, class _R1, class _M1, class _D1, _D1 _B1, |
||
| 641 | class _OutputIterator> |
||
| 642 | _OutputIterator |
||
| 643 | copy_backward(__deque_iterator<_V1, _P1, _R1, _M1, _D1, _B1> __f, |
||
| 644 | __deque_iterator<_V1, _P1, _R1, _M1, _D1, _B1> __l, |
||
| 645 | _OutputIterator __r) |
||
| 646 | {
|
||
| 647 | typedef typename __deque_iterator<_V1, _P1, _R1, _M1, _D1, _B1>::difference_type difference_type; |
||
| 648 | typedef typename __deque_iterator<_V1, _P1, _R1, _M1, _D1, _B1>::pointer pointer; |
||
| 649 | difference_type __n = __l - __f; |
||
| 650 | while (__n > 0) |
||
| 651 | {
|
||
| 652 | --__l; |
||
| 653 | pointer __lb = *__l.__m_iter_; |
||
| 654 | pointer __le = __l.__ptr_ + 1; |
||
| 655 | difference_type __bs = __le - __lb; |
||
| 656 | if (__bs > __n) |
||
| 657 | {
|
||
| 658 | __bs = __n; |
||
| 659 | __lb = __le - __bs; |
||
| 660 | } |
||
| 661 | __r = _VSTD::copy_backward(__lb, __le, __r); |
||
| 662 | __n -= __bs; |
||
| 663 | __l -= __bs - 1; |
||
| 664 | } |
||
| 665 | return __r; |
||
| 666 | } |
||
| 667 | |||
| 668 | template <class _V1, class _P1, class _R1, class _M1, class _D1, _D1 _B1, |
||
| 669 | class _V2, class _P2, class _R2, class _M2, class _D2, _D2 _B2> |
||
| 670 | __deque_iterator<_V2, _P2, _R2, _M2, _D2, _B2> |
||
| 671 | copy_backward(__deque_iterator<_V1, _P1, _R1, _M1, _D1, _B1> __f, |
||
| 672 | __deque_iterator<_V1, _P1, _R1, _M1, _D1, _B1> __l, |
||
| 673 | __deque_iterator<_V2, _P2, _R2, _M2, _D2, _B2> __r) |
||
| 674 | {
|
||
| 675 | typedef typename __deque_iterator<_V1, _P1, _R1, _M1, _D1, _B1>::difference_type difference_type; |
||
| 676 | typedef typename __deque_iterator<_V1, _P1, _R1, _M1, _D1, _B1>::pointer pointer; |
||
| 677 | difference_type __n = __l - __f; |
||
| 678 | while (__n > 0) |
||
| 679 | {
|
||
| 680 | --__l; |
||
| 681 | pointer __lb = *__l.__m_iter_; |
||
| 682 | pointer __le = __l.__ptr_ + 1; |
||
| 683 | difference_type __bs = __le - __lb; |
||
| 684 | if (__bs > __n) |
||
| 685 | {
|
||
| 686 | __bs = __n; |
||
| 687 | __lb = __le - __bs; |
||
| 688 | } |
||
| 689 | __r = _VSTD::copy_backward(__lb, __le, __r); |
||
| 690 | __n -= __bs; |
||
| 691 | __l -= __bs - 1; |
||
| 692 | } |
||
| 693 | return __r; |
||
| 694 | } |
||
| 695 | |||
| 696 | // move |
||
| 697 | |||
| 698 | template <class _RAIter, |
||
| 699 | class _V2, class _P2, class _R2, class _M2, class _D2, _D2 _B2> |
||
| 700 | __deque_iterator<_V2, _P2, _R2, _M2, _D2, _B2> |
||
| 701 | move(_RAIter __f, |
||
| 702 | _RAIter __l, |
||
| 703 | __deque_iterator<_V2, _P2, _R2, _M2, _D2, _B2> __r, |
||
| 704 | typename enable_if<__is_random_access_iterator<_RAIter>::value>::type*) |
||
| 705 | {
|
||
| 706 | typedef typename __deque_iterator<_V2, _P2, _R2, _M2, _D2, _B2>::difference_type difference_type; |
||
| 707 | typedef typename __deque_iterator<_V2, _P2, _R2, _M2, _D2, _B2>::pointer pointer; |
||
| 708 | while (__f != __l) |
||
| 709 | {
|
||
| 710 | pointer __rb = __r.__ptr_; |
||
| 711 | pointer __re = *__r.__m_iter_ + _B2; |
||
| 712 | difference_type __bs = __re - __rb; |
||
| 713 | difference_type __n = __l - __f; |
||
| 714 | _RAIter __m = __l; |
||
| 715 | if (__n > __bs) |
||
| 716 | {
|
||
| 717 | __n = __bs; |
||
| 718 | __m = __f + __n; |
||
| 719 | } |
||
| 720 | _VSTD::move(__f, __m, __rb); |
||
| 721 | __f = __m; |
||
| 722 | __r += __n; |
||
| 723 | } |
||
| 724 | return __r; |
||
| 725 | } |
||
| 726 | |||
| 727 | template <class _V1, class _P1, class _R1, class _M1, class _D1, _D1 _B1, |
||
| 728 | class _OutputIterator> |
||
| 729 | _OutputIterator |
||
| 730 | move(__deque_iterator<_V1, _P1, _R1, _M1, _D1, _B1> __f, |
||
| 731 | __deque_iterator<_V1, _P1, _R1, _M1, _D1, _B1> __l, |
||
| 732 | _OutputIterator __r) |
||
| 733 | {
|
||
| 734 | typedef typename __deque_iterator<_V1, _P1, _R1, _M1, _D1, _B1>::difference_type difference_type; |
||
| 735 | typedef typename __deque_iterator<_V1, _P1, _R1, _M1, _D1, _B1>::pointer pointer; |
||
| 736 | difference_type __n = __l - __f; |
||
| 737 | while (__n > 0) |
||
| 738 | {
|
||
| 739 | pointer __fb = __f.__ptr_; |
||
| 740 | pointer __fe = *__f.__m_iter_ + _B1; |
||
| 741 | difference_type __bs = __fe - __fb; |
||
| 742 | if (__bs > __n) |
||
| 743 | {
|
||
| 744 | __bs = __n; |
||
| 745 | __fe = __fb + __bs; |
||
| 746 | } |
||
| 747 | __r = _VSTD::move(__fb, __fe, __r); |
||
| 748 | __n -= __bs; |
||
| 749 | __f += __bs; |
||
| 750 | } |
||
| 751 | return __r; |
||
| 752 | } |
||
| 753 | |||
| 754 | template <class _V1, class _P1, class _R1, class _M1, class _D1, _D1 _B1, |
||
| 755 | class _V2, class _P2, class _R2, class _M2, class _D2, _D2 _B2> |
||
| 756 | __deque_iterator<_V2, _P2, _R2, _M2, _D2, _B2> |
||
| 757 | move(__deque_iterator<_V1, _P1, _R1, _M1, _D1, _B1> __f, |
||
| 758 | __deque_iterator<_V1, _P1, _R1, _M1, _D1, _B1> __l, |
||
| 759 | __deque_iterator<_V2, _P2, _R2, _M2, _D2, _B2> __r) |
||
| 760 | {
|
||
| 761 | typedef typename __deque_iterator<_V1, _P1, _R1, _M1, _D1, _B1>::difference_type difference_type; |
||
| 762 | typedef typename __deque_iterator<_V1, _P1, _R1, _M1, _D1, _B1>::pointer pointer; |
||
| 763 | difference_type __n = __l - __f; |
||
| 764 | while (__n > 0) |
||
| 765 | {
|
||
| 766 | pointer __fb = __f.__ptr_; |
||
| 767 | pointer __fe = *__f.__m_iter_ + _B1; |
||
| 768 | difference_type __bs = __fe - __fb; |
||
| 769 | if (__bs > __n) |
||
| 770 | {
|
||
| 771 | __bs = __n; |
||
| 772 | __fe = __fb + __bs; |
||
| 773 | } |
||
| 774 | __r = _VSTD::move(__fb, __fe, __r); |
||
| 775 | __n -= __bs; |
||
| 776 | __f += __bs; |
||
| 777 | } |
||
| 778 | return __r; |
||
| 779 | } |
||
| 780 | |||
| 781 | // move_backward |
||
| 782 | |||
| 783 | template <class _RAIter, |
||
| 784 | class _V2, class _P2, class _R2, class _M2, class _D2, _D2 _B2> |
||
| 785 | __deque_iterator<_V2, _P2, _R2, _M2, _D2, _B2> |
||
| 786 | move_backward(_RAIter __f, |
||
| 787 | _RAIter __l, |
||
| 788 | __deque_iterator<_V2, _P2, _R2, _M2, _D2, _B2> __r, |
||
| 789 | typename enable_if<__is_random_access_iterator<_RAIter>::value>::type*) |
||
| 790 | {
|
||
| 791 | typedef typename __deque_iterator<_V2, _P2, _R2, _M2, _D2, _B2>::difference_type difference_type; |
||
| 792 | typedef typename __deque_iterator<_V2, _P2, _R2, _M2, _D2, _B2>::pointer pointer; |
||
| 793 | while (__f != __l) |
||
| 794 | {
|
||
| 795 | __deque_iterator<_V2, _P2, _R2, _M2, _D2, _B2> __rp = _VSTD::prev(__r); |
||
| 796 | pointer __rb = *__rp.__m_iter_; |
||
| 797 | pointer __re = __rp.__ptr_ + 1; |
||
| 798 | difference_type __bs = __re - __rb; |
||
| 799 | difference_type __n = __l - __f; |
||
| 800 | _RAIter __m = __f; |
||
| 801 | if (__n > __bs) |
||
| 802 | {
|
||
| 803 | __n = __bs; |
||
| 804 | __m = __l - __n; |
||
| 805 | } |
||
| 806 | _VSTD::move_backward(__m, __l, __re); |
||
| 807 | __l = __m; |
||
| 808 | __r -= __n; |
||
| 809 | } |
||
| 810 | return __r; |
||
| 811 | } |
||
| 812 | |||
| 813 | template <class _V1, class _P1, class _R1, class _M1, class _D1, _D1 _B1, |
||
| 814 | class _OutputIterator> |
||
| 815 | _OutputIterator |
||
| 816 | move_backward(__deque_iterator<_V1, _P1, _R1, _M1, _D1, _B1> __f, |
||
| 817 | __deque_iterator<_V1, _P1, _R1, _M1, _D1, _B1> __l, |
||
| 818 | _OutputIterator __r) |
||
| 819 | {
|
||
| 820 | typedef typename __deque_iterator<_V1, _P1, _R1, _M1, _D1, _B1>::difference_type difference_type; |
||
| 821 | typedef typename __deque_iterator<_V1, _P1, _R1, _M1, _D1, _B1>::pointer pointer; |
||
| 822 | difference_type __n = __l - __f; |
||
| 823 | while (__n > 0) |
||
| 824 | {
|
||
| 825 | --__l; |
||
| 826 | pointer __lb = *__l.__m_iter_; |
||
| 827 | pointer __le = __l.__ptr_ + 1; |
||
| 828 | difference_type __bs = __le - __lb; |
||
| 829 | if (__bs > __n) |
||
| 830 | {
|
||
| 831 | __bs = __n; |
||
| 832 | __lb = __le - __bs; |
||
| 833 | } |
||
| 834 | __r = _VSTD::move_backward(__lb, __le, __r); |
||
| 835 | __n -= __bs; |
||
| 836 | __l -= __bs - 1; |
||
| 837 | } |
||
| 838 | return __r; |
||
| 839 | } |
||
| 840 | |||
| 841 | template <class _V1, class _P1, class _R1, class _M1, class _D1, _D1 _B1, |
||
| 842 | class _V2, class _P2, class _R2, class _M2, class _D2, _D2 _B2> |
||
| 843 | __deque_iterator<_V2, _P2, _R2, _M2, _D2, _B2> |
||
| 844 | move_backward(__deque_iterator<_V1, _P1, _R1, _M1, _D1, _B1> __f, |
||
| 845 | __deque_iterator<_V1, _P1, _R1, _M1, _D1, _B1> __l, |
||
| 846 | __deque_iterator<_V2, _P2, _R2, _M2, _D2, _B2> __r) |
||
| 847 | {
|
||
| 848 | typedef typename __deque_iterator<_V1, _P1, _R1, _M1, _D1, _B1>::difference_type difference_type; |
||
| 849 | typedef typename __deque_iterator<_V1, _P1, _R1, _M1, _D1, _B1>::pointer pointer; |
||
| 850 | difference_type __n = __l - __f; |
||
| 851 | while (__n > 0) |
||
| 852 | {
|
||
| 853 | --__l; |
||
| 854 | pointer __lb = *__l.__m_iter_; |
||
| 855 | pointer __le = __l.__ptr_ + 1; |
||
| 856 | difference_type __bs = __le - __lb; |
||
| 857 | if (__bs > __n) |
||
| 858 | {
|
||
| 859 | __bs = __n; |
||
| 860 | __lb = __le - __bs; |
||
| 861 | } |
||
| 862 | __r = _VSTD::move_backward(__lb, __le, __r); |
||
| 863 | __n -= __bs; |
||
| 864 | __l -= __bs - 1; |
||
| 865 | } |
||
| 866 | return __r; |
||
| 867 | } |
||
| 868 | |||
| 869 | template <bool> |
||
| 870 | class __deque_base_common |
||
| 871 | {
|
||
| 872 | protected: |
||
| 873 | void __throw_length_error() const; |
||
| 874 | void __throw_out_of_range() const; |
||
| 875 | }; |
||
| 876 | |||
| 877 | template <bool __b> |
||
| 878 | void |
||
| 879 | __deque_base_common<__b>::__throw_length_error() const |
||
| 880 | {
|
||
| 881 | #ifndef _LIBCPP_NO_EXCEPTIONS |
||
| 882 | throw length_error("deque");
|
||
| 883 | #endif |
||
| 884 | } |
||
| 885 | |||
| 886 | template <bool __b> |
||
| 887 | void |
||
| 888 | __deque_base_common<__b>::__throw_out_of_range() const |
||
| 889 | {
|
||
| 890 | #ifndef _LIBCPP_NO_EXCEPTIONS |
||
| 891 | throw out_of_range("deque");
|
||
| 892 | #endif |
||
| 893 | } |
||
| 894 | |||
| 895 | template <class _Tp, class _Allocator> |
||
| 896 | class __deque_base |
||
| 897 | : protected __deque_base_common<true> |
||
| 898 | {
|
||
| 899 | __deque_base(const __deque_base& __c); |
||
| 900 | __deque_base& operator=(const __deque_base& __c); |
||
| 901 | protected: |
||
| 902 | typedef _Tp value_type; |
||
| 903 | typedef _Allocator allocator_type; |
||
| 904 | typedef allocator_traits<allocator_type> __alloc_traits; |
||
| 905 | typedef value_type& reference; |
||
| 906 | typedef const value_type& const_reference; |
||
| 907 | typedef typename __alloc_traits::size_type size_type; |
||
| 908 | typedef typename __alloc_traits::difference_type difference_type; |
||
| 909 | typedef typename __alloc_traits::pointer pointer; |
||
| 910 | typedef typename __alloc_traits::const_pointer const_pointer; |
||
| 911 | |||
| 912 | static const difference_type __block_size = sizeof(value_type) < 256 ? 4096 / sizeof(value_type) : 16; |
||
| 913 | |||
| 914 | typedef typename __rebind_alloc_helper<__alloc_traits, pointer>::type __pointer_allocator; |
||
| 915 | typedef allocator_traits<__pointer_allocator> __map_traits; |
||
| 916 | typedef typename __map_traits::pointer __map_pointer; |
||
| 917 | typedef typename __rebind_alloc_helper<__alloc_traits, const_pointer>::type __const_pointer_allocator; |
||
| 918 | typedef typename allocator_traits<__const_pointer_allocator>::const_pointer __map_const_pointer; |
||
| 919 | typedef __split_buffer<pointer, __pointer_allocator> __map; |
||
| 920 | |||
| 921 | typedef __deque_iterator<value_type, pointer, reference, __map_pointer, |
||
| 922 | difference_type, __block_size> iterator; |
||
| 923 | typedef __deque_iterator<value_type, const_pointer, const_reference, __map_const_pointer, |
||
| 924 | difference_type, __block_size> const_iterator; |
||
| 925 | |||
| 926 | __map __map_; |
||
| 927 | size_type __start_; |
||
| 928 | __compressed_pair<size_type, allocator_type> __size_; |
||
| 929 | |||
| 930 | iterator begin() _NOEXCEPT; |
||
| 931 | const_iterator begin() const _NOEXCEPT; |
||
| 932 | iterator end() _NOEXCEPT; |
||
| 933 | const_iterator end() const _NOEXCEPT; |
||
| 934 | |||
| 935 | _LIBCPP_INLINE_VISIBILITY size_type& size() {return __size_.first();}
|
||
| 936 | _LIBCPP_INLINE_VISIBILITY |
||
| 937 | const size_type& size() const _NOEXCEPT {return __size_.first();}
|
||
| 938 | _LIBCPP_INLINE_VISIBILITY allocator_type& __alloc() {return __size_.second();}
|
||
| 939 | _LIBCPP_INLINE_VISIBILITY |
||
| 940 | const allocator_type& __alloc() const _NOEXCEPT {return __size_.second();}
|
||
| 941 | |||
| 942 | __deque_base() |
||
| 943 | _NOEXCEPT_(is_nothrow_default_constructible<allocator_type>::value); |
||
| 944 | explicit __deque_base(const allocator_type& __a); |
||
| 945 | public: |
||
| 946 | ~__deque_base(); |
||
| 947 | |||
| 948 | #ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES |
||
| 949 | |||
| 950 | __deque_base(__deque_base&& __c) |
||
| 951 | _NOEXCEPT_(is_nothrow_move_constructible<allocator_type>::value); |
||
| 952 | __deque_base(__deque_base&& __c, const allocator_type& __a); |
||
| 953 | |||
| 954 | #endif // _LIBCPP_HAS_NO_RVALUE_REFERENCES |
||
| 955 | void swap(__deque_base& __c) |
||
| 956 | #if _LIBCPP_STD_VER >= 14 |
||
| 957 | _NOEXCEPT; |
||
| 958 | #else |
||
| 959 | _NOEXCEPT_(!__alloc_traits::propagate_on_container_swap::value || |
||
| 960 | __is_nothrow_swappable<allocator_type>::value); |
||
| 961 | #endif |
||
| 962 | protected: |
||
| 963 | void clear() _NOEXCEPT; |
||
| 964 | |||
| 965 | bool __invariants() const; |
||
| 966 | |||
| 967 | _LIBCPP_INLINE_VISIBILITY |
||
| 968 | void __move_assign(__deque_base& __c) |
||
| 969 | _NOEXCEPT_(__alloc_traits::propagate_on_container_move_assignment::value && |
||
| 970 | is_nothrow_move_assignable<allocator_type>::value) |
||
| 971 | {
|
||
| 972 | __map_ = _VSTD::move(__c.__map_); |
||
| 973 | __start_ = __c.__start_; |
||
| 974 | size() = __c.size(); |
||
| 975 | __move_assign_alloc(__c); |
||
| 976 | __c.__start_ = __c.size() = 0; |
||
| 977 | } |
||
| 978 | |||
| 979 | _LIBCPP_INLINE_VISIBILITY |
||
| 980 | void __move_assign_alloc(__deque_base& __c) |
||
| 981 | _NOEXCEPT_(!__alloc_traits::propagate_on_container_move_assignment::value || |
||
| 982 | is_nothrow_move_assignable<allocator_type>::value) |
||
| 983 | {__move_assign_alloc(__c, integral_constant<bool,
|
||
| 984 | __alloc_traits::propagate_on_container_move_assignment::value>());} |
||
| 985 | |||
| 986 | private: |
||
| 987 | _LIBCPP_INLINE_VISIBILITY |
||
| 988 | void __move_assign_alloc(__deque_base& __c, true_type) |
||
| 989 | _NOEXCEPT_(is_nothrow_move_assignable<allocator_type>::value) |
||
| 990 | {
|
||
| 991 | __alloc() = _VSTD::move(__c.__alloc()); |
||
| 992 | } |
||
| 993 | |||
| 994 | _LIBCPP_INLINE_VISIBILITY |
||
| 995 | void __move_assign_alloc(__deque_base&, false_type) _NOEXCEPT |
||
| 996 | {}
|
||
| 997 | }; |
||
| 998 | |||
| 999 | template <class _Tp, class _Allocator> |
||
| 1000 | bool |
||
| 1001 | __deque_base<_Tp, _Allocator>::__invariants() const |
||
| 1002 | {
|
||
| 1003 | if (!__map_.__invariants()) |
||
| 1004 | return false; |
||
| 1005 | if (__map_.size() >= size_type(-1) / __block_size) |
||
| 1006 | return false; |
||
| 1007 | for (typename __map::const_iterator __i = __map_.begin(), __e = __map_.end(); |
||
| 1008 | __i != __e; ++__i) |
||
| 1009 | if (*__i == nullptr) |
||
| 1010 | return false; |
||
| 1011 | if (__map_.size() != 0) |
||
| 1012 | {
|
||
| 1013 | if (size() >= __map_.size() * __block_size) |
||
| 1014 | return false; |
||
| 1015 | if (__start_ >= __map_.size() * __block_size - size()) |
||
| 1016 | return false; |
||
| 1017 | } |
||
| 1018 | else |
||
| 1019 | {
|
||
| 1020 | if (size() != 0) |
||
| 1021 | return false; |
||
| 1022 | if (__start_ != 0) |
||
| 1023 | return false; |
||
| 1024 | } |
||
| 1025 | return true; |
||
| 1026 | } |
||
| 1027 | |||
| 1028 | template <class _Tp, class _Allocator> |
||
| 1029 | typename __deque_base<_Tp, _Allocator>::iterator |
||
| 1030 | __deque_base<_Tp, _Allocator>::begin() _NOEXCEPT |
||
| 1031 | {
|
||
| 1032 | __map_pointer __mp = __map_.begin() + __start_ / __block_size; |
||
| 1033 | return iterator(__mp, __map_.empty() ? 0 : *__mp + __start_ % __block_size); |
||
| 1034 | } |
||
| 1035 | |||
| 1036 | template <class _Tp, class _Allocator> |
||
| 1037 | typename __deque_base<_Tp, _Allocator>::const_iterator |
||
| 1038 | __deque_base<_Tp, _Allocator>::begin() const _NOEXCEPT |
||
| 1039 | {
|
||
| 1040 | __map_const_pointer __mp = static_cast<__map_const_pointer>(__map_.begin() + __start_ / __block_size); |
||
| 1041 | return const_iterator(__mp, __map_.empty() ? 0 : *__mp + __start_ % __block_size); |
||
| 1042 | } |
||
| 1043 | |||
| 1044 | template <class _Tp, class _Allocator> |
||
| 1045 | typename __deque_base<_Tp, _Allocator>::iterator |
||
| 1046 | __deque_base<_Tp, _Allocator>::end() _NOEXCEPT |
||
| 1047 | {
|
||
| 1048 | size_type __p = size() + __start_; |
||
| 1049 | __map_pointer __mp = __map_.begin() + __p / __block_size; |
||
| 1050 | return iterator(__mp, __map_.empty() ? 0 : *__mp + __p % __block_size); |
||
| 1051 | } |
||
| 1052 | |||
| 1053 | template <class _Tp, class _Allocator> |
||
| 1054 | typename __deque_base<_Tp, _Allocator>::const_iterator |
||
| 1055 | __deque_base<_Tp, _Allocator>::end() const _NOEXCEPT |
||
| 1056 | {
|
||
| 1057 | size_type __p = size() + __start_; |
||
| 1058 | __map_const_pointer __mp = static_cast<__map_const_pointer>(__map_.begin() + __p / __block_size); |
||
| 1059 | return const_iterator(__mp, __map_.empty() ? 0 : *__mp + __p % __block_size); |
||
| 1060 | } |
||
| 1061 | |||
| 1062 | template <class _Tp, class _Allocator> |
||
| 1063 | inline _LIBCPP_INLINE_VISIBILITY |
||
| 1064 | __deque_base<_Tp, _Allocator>::__deque_base() |
||
| 1065 | _NOEXCEPT_(is_nothrow_default_constructible<allocator_type>::value) |
||
| 1066 | : __start_(0), __size_(0) {}
|
||
| 1067 | |||
| 1068 | template <class _Tp, class _Allocator> |
||
| 1069 | inline _LIBCPP_INLINE_VISIBILITY |
||
| 1070 | __deque_base<_Tp, _Allocator>::__deque_base(const allocator_type& __a) |
||
| 1071 | : __map_(__pointer_allocator(__a)), __start_(0), __size_(0, __a) {}
|
||
| 1072 | |||
| 1073 | template <class _Tp, class _Allocator> |
||
| 1074 | __deque_base<_Tp, _Allocator>::~__deque_base() |
||
| 1075 | {
|
||
| 1076 | clear(); |
||
| 1077 | typename __map::iterator __i = __map_.begin(); |
||
| 1078 | typename __map::iterator __e = __map_.end(); |
||
| 1079 | for (; __i != __e; ++__i) |
||
| 1080 | __alloc_traits::deallocate(__alloc(), *__i, __block_size); |
||
| 1081 | } |
||
| 1082 | |||
| 1083 | #ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES |
||
| 1084 | |||
| 1085 | template <class _Tp, class _Allocator> |
||
| 1086 | __deque_base<_Tp, _Allocator>::__deque_base(__deque_base&& __c) |
||
| 1087 | _NOEXCEPT_(is_nothrow_move_constructible<allocator_type>::value) |
||
| 1088 | : __map_(_VSTD::move(__c.__map_)), |
||
| 1089 | __start_(_VSTD::move(__c.__start_)), |
||
| 1090 | __size_(_VSTD::move(__c.__size_)) |
||
| 1091 | {
|
||
| 1092 | __c.__start_ = 0; |
||
| 1093 | __c.size() = 0; |
||
| 1094 | } |
||
| 1095 | |||
| 1096 | template <class _Tp, class _Allocator> |
||
| 1097 | __deque_base<_Tp, _Allocator>::__deque_base(__deque_base&& __c, const allocator_type& __a) |
||
| 1098 | : __map_(_VSTD::move(__c.__map_), __pointer_allocator(__a)), |
||
| 1099 | __start_(_VSTD::move(__c.__start_)), |
||
| 1100 | __size_(_VSTD::move(__c.size()), __a) |
||
| 1101 | {
|
||
| 1102 | if (__a == __c.__alloc()) |
||
| 1103 | {
|
||
| 1104 | __c.__start_ = 0; |
||
| 1105 | __c.size() = 0; |
||
| 1106 | } |
||
| 1107 | else |
||
| 1108 | {
|
||
| 1109 | __map_.clear(); |
||
| 1110 | __start_ = 0; |
||
| 1111 | size() = 0; |
||
| 1112 | } |
||
| 1113 | } |
||
| 1114 | |||
| 1115 | #endif // _LIBCPP_HAS_NO_RVALUE_REFERENCES |
||
| 1116 | |||
| 1117 | template <class _Tp, class _Allocator> |
||
| 1118 | void |
||
| 1119 | __deque_base<_Tp, _Allocator>::swap(__deque_base& __c) |
||
| 1120 | #if _LIBCPP_STD_VER >= 14 |
||
| 1121 | _NOEXCEPT |
||
| 1122 | #else |
||
| 1123 | _NOEXCEPT_(!__alloc_traits::propagate_on_container_swap::value || |
||
| 1124 | __is_nothrow_swappable<allocator_type>::value) |
||
| 1125 | #endif |
||
| 1126 | {
|
||
| 1127 | __map_.swap(__c.__map_); |
||
| 1128 | _VSTD::swap(__start_, __c.__start_); |
||
| 1129 | _VSTD::swap(size(), __c.size()); |
||
| 1130 | __swap_allocator(__alloc(), __c.__alloc()); |
||
| 1131 | } |
||
| 1132 | |||
| 1133 | template <class _Tp, class _Allocator> |
||
| 1134 | void |
||
| 1135 | __deque_base<_Tp, _Allocator>::clear() _NOEXCEPT |
||
| 1136 | {
|
||
| 1137 | allocator_type& __a = __alloc(); |
||
| 1138 | for (iterator __i = begin(), __e = end(); __i != __e; ++__i) |
||
| 1139 | __alloc_traits::destroy(__a, _VSTD::addressof(*__i)); |
||
| 1140 | size() = 0; |
||
| 1141 | while (__map_.size() > 2) |
||
| 1142 | {
|
||
| 1143 | __alloc_traits::deallocate(__a, __map_.front(), __block_size); |
||
| 1144 | __map_.pop_front(); |
||
| 1145 | } |
||
| 1146 | switch (__map_.size()) |
||
| 1147 | {
|
||
| 1148 | case 1: |
||
| 1149 | __start_ = __block_size / 2; |
||
| 1150 | break; |
||
| 1151 | case 2: |
||
| 1152 | __start_ = __block_size; |
||
| 1153 | break; |
||
| 1154 | } |
||
| 1155 | } |
||
| 1156 | |||
| 1157 | template <class _Tp, class _Allocator /*= allocator<_Tp>*/> |
||
| 1158 | class _LIBCPP_TYPE_VIS_ONLY deque |
||
| 1159 | : private __deque_base<_Tp, _Allocator> |
||
| 1160 | {
|
||
| 1161 | public: |
||
| 1162 | // types: |
||
| 1163 | |||
| 1164 | typedef _Tp value_type; |
||
| 1165 | typedef _Allocator allocator_type; |
||
| 1166 | |||
| 1167 | typedef __deque_base<value_type, allocator_type> __base; |
||
| 1168 | |||
| 1169 | typedef typename __base::__alloc_traits __alloc_traits; |
||
| 1170 | typedef typename __base::reference reference; |
||
| 1171 | typedef typename __base::const_reference const_reference; |
||
| 1172 | typedef typename __base::iterator iterator; |
||
| 1173 | typedef typename __base::const_iterator const_iterator; |
||
| 1174 | typedef typename __base::size_type size_type; |
||
| 1175 | typedef typename __base::difference_type difference_type; |
||
| 1176 | |||
| 1177 | typedef typename __base::pointer pointer; |
||
| 1178 | typedef typename __base::const_pointer const_pointer; |
||
| 1179 | typedef _VSTD::reverse_iterator<iterator> reverse_iterator; |
||
| 1180 | typedef _VSTD::reverse_iterator<const_iterator> const_reverse_iterator; |
||
| 1181 | |||
| 1182 | // construct/copy/destroy: |
||
| 1183 | _LIBCPP_INLINE_VISIBILITY |
||
| 1184 | deque() |
||
| 1185 | _NOEXCEPT_(is_nothrow_default_constructible<allocator_type>::value) |
||
| 1186 | {}
|
||
| 1187 | _LIBCPP_INLINE_VISIBILITY explicit deque(const allocator_type& __a) : __base(__a) {}
|
||
| 1188 | explicit deque(size_type __n); |
||
| 1189 | #if _LIBCPP_STD_VER > 11 |
||
| 1190 | explicit deque(size_type __n, const _Allocator& __a); |
||
| 1191 | #endif |
||
| 1192 | deque(size_type __n, const value_type& __v); |
||
| 1193 | deque(size_type __n, const value_type& __v, const allocator_type& __a); |
||
| 1194 | template <class _InputIter> |
||
| 1195 | deque(_InputIter __f, _InputIter __l, |
||
| 1196 | typename enable_if<__is_input_iterator<_InputIter>::value>::type* = 0); |
||
| 1197 | template <class _InputIter> |
||
| 1198 | deque(_InputIter __f, _InputIter __l, const allocator_type& __a, |
||
| 1199 | typename enable_if<__is_input_iterator<_InputIter>::value>::type* = 0); |
||
| 1200 | deque(const deque& __c); |
||
| 1201 | deque(const deque& __c, const allocator_type& __a); |
||
| 1202 | #ifndef _LIBCPP_HAS_NO_GENERALIZED_INITIALIZERS |
||
| 1203 | deque(initializer_list<value_type> __il); |
||
| 1204 | deque(initializer_list<value_type> __il, const allocator_type& __a); |
||
| 1205 | #endif // _LIBCPP_HAS_NO_GENERALIZED_INITIALIZERS |
||
| 1206 | |||
| 1207 | deque& operator=(const deque& __c); |
||
| 1208 | #ifndef _LIBCPP_HAS_NO_GENERALIZED_INITIALIZERS |
||
| 1209 | _LIBCPP_INLINE_VISIBILITY |
||
| 1210 | deque& operator=(initializer_list<value_type> __il) {assign(__il); return *this;}
|
||
| 1211 | #endif // _LIBCPP_HAS_NO_GENERALIZED_INITIALIZERS |
||
| 1212 | |||
| 1213 | #ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES |
||
| 1214 | deque(deque&& __c) _NOEXCEPT_(is_nothrow_move_constructible<__base>::value); |
||
| 1215 | deque(deque&& __c, const allocator_type& __a); |
||
| 1216 | deque& operator=(deque&& __c) |
||
| 1217 | _NOEXCEPT_(__alloc_traits::propagate_on_container_move_assignment::value && |
||
| 1218 | is_nothrow_move_assignable<allocator_type>::value); |
||
| 1219 | #endif // _LIBCPP_HAS_NO_RVALUE_REFERENCES |
||
| 1220 | |||
| 1221 | template <class _InputIter> |
||
| 1222 | void assign(_InputIter __f, _InputIter __l, |
||
| 1223 | typename enable_if<__is_input_iterator<_InputIter>::value && |
||
| 1224 | !__is_random_access_iterator<_InputIter>::value>::type* = 0); |
||
| 1225 | template <class _RAIter> |
||
| 1226 | void assign(_RAIter __f, _RAIter __l, |
||
| 1227 | typename enable_if<__is_random_access_iterator<_RAIter>::value>::type* = 0); |
||
| 1228 | void assign(size_type __n, const value_type& __v); |
||
| 1229 | #ifndef _LIBCPP_HAS_NO_GENERALIZED_INITIALIZERS |
||
| 1230 | _LIBCPP_INLINE_VISIBILITY |
||
| 1231 | void assign(initializer_list<value_type> __il) {assign(__il.begin(), __il.end());}
|
||
| 1232 | #endif // _LIBCPP_HAS_NO_GENERALIZED_INITIALIZERS |
||
| 1233 | |||
| 1234 | allocator_type get_allocator() const _NOEXCEPT; |
||
| 1235 | |||
| 1236 | // iterators: |
||
| 1237 | |||
| 1238 | _LIBCPP_INLINE_VISIBILITY |
||
| 1239 | iterator begin() _NOEXCEPT {return __base::begin();}
|
||
| 1240 | _LIBCPP_INLINE_VISIBILITY |
||
| 1241 | const_iterator begin() const _NOEXCEPT {return __base::begin();}
|
||
| 1242 | _LIBCPP_INLINE_VISIBILITY |
||
| 1243 | iterator end() _NOEXCEPT {return __base::end();}
|
||
| 1244 | _LIBCPP_INLINE_VISIBILITY |
||
| 1245 | const_iterator end() const _NOEXCEPT {return __base::end();}
|
||
| 1246 | |||
| 1247 | _LIBCPP_INLINE_VISIBILITY |
||
| 1248 | reverse_iterator rbegin() _NOEXCEPT |
||
| 1249 | {return reverse_iterator(__base::end());}
|
||
| 1250 | _LIBCPP_INLINE_VISIBILITY |
||
| 1251 | const_reverse_iterator rbegin() const _NOEXCEPT |
||
| 1252 | {return const_reverse_iterator(__base::end());}
|
||
| 1253 | _LIBCPP_INLINE_VISIBILITY |
||
| 1254 | reverse_iterator rend() _NOEXCEPT |
||
| 1255 | {return reverse_iterator(__base::begin());}
|
||
| 1256 | _LIBCPP_INLINE_VISIBILITY |
||
| 1257 | const_reverse_iterator rend() const _NOEXCEPT |
||
| 1258 | {return const_reverse_iterator(__base::begin());}
|
||
| 1259 | |||
| 1260 | _LIBCPP_INLINE_VISIBILITY |
||
| 1261 | const_iterator cbegin() const _NOEXCEPT |
||
| 1262 | {return __base::begin();}
|
||
| 1263 | _LIBCPP_INLINE_VISIBILITY |
||
| 1264 | const_iterator cend() const _NOEXCEPT |
||
| 1265 | {return __base::end();}
|
||
| 1266 | _LIBCPP_INLINE_VISIBILITY |
||
| 1267 | const_reverse_iterator crbegin() const _NOEXCEPT |
||
| 1268 | {return const_reverse_iterator(__base::end());}
|
||
| 1269 | _LIBCPP_INLINE_VISIBILITY |
||
| 1270 | const_reverse_iterator crend() const _NOEXCEPT |
||
| 1271 | {return const_reverse_iterator(__base::begin());}
|
||
| 1272 | |||
| 1273 | // capacity: |
||
| 1274 | _LIBCPP_INLINE_VISIBILITY |
||
| 1275 | size_type size() const _NOEXCEPT {return __base::size();}
|
||
| 1276 | _LIBCPP_INLINE_VISIBILITY |
||
| 1277 | size_type max_size() const _NOEXCEPT |
||
| 1278 | {return __alloc_traits::max_size(__base::__alloc());}
|
||
| 1279 | void resize(size_type __n); |
||
| 1280 | void resize(size_type __n, const value_type& __v); |
||
| 1281 | void shrink_to_fit() _NOEXCEPT; |
||
| 1282 | _LIBCPP_INLINE_VISIBILITY |
||
| 1283 | bool empty() const _NOEXCEPT {return __base::size() == 0;}
|
||
| 1284 | |||
| 1285 | // element access: |
||
| 1286 | reference operator[](size_type __i); |
||
| 1287 | const_reference operator[](size_type __i) const; |
||
| 1288 | reference at(size_type __i); |
||
| 1289 | const_reference at(size_type __i) const; |
||
| 1290 | reference front(); |
||
| 1291 | const_reference front() const; |
||
| 1292 | reference back(); |
||
| 1293 | const_reference back() const; |
||
| 1294 | |||
| 1295 | // 23.2.2.3 modifiers: |
||
| 1296 | void push_front(const value_type& __v); |
||
| 1297 | void push_back(const value_type& __v); |
||
| 1298 | #ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES |
||
| 1299 | #ifndef _LIBCPP_HAS_NO_VARIADICS |
||
| 1300 | template <class... _Args> void emplace_front(_Args&&... __args); |
||
| 1301 | template <class... _Args> void emplace_back(_Args&&... __args); |
||
| 1302 | template <class... _Args> iterator emplace(const_iterator __p, _Args&&... __args); |
||
| 1303 | #endif // _LIBCPP_HAS_NO_VARIADICS |
||
| 1304 | void push_front(value_type&& __v); |
||
| 1305 | void push_back(value_type&& __v); |
||
| 1306 | iterator insert(const_iterator __p, value_type&& __v); |
||
| 1307 | #endif // _LIBCPP_HAS_NO_RVALUE_REFERENCES |
||
| 1308 | iterator insert(const_iterator __p, const value_type& __v); |
||
| 1309 | iterator insert(const_iterator __p, size_type __n, const value_type& __v); |
||
| 1310 | template <class _InputIter> |
||
| 1311 | iterator insert(const_iterator __p, _InputIter __f, _InputIter __l, |
||
| 1312 | typename enable_if<__is_input_iterator<_InputIter>::value |
||
| 1313 | &&!__is_forward_iterator<_InputIter>::value>::type* = 0); |
||
| 1314 | template <class _ForwardIterator> |
||
| 1315 | iterator insert(const_iterator __p, _ForwardIterator __f, _ForwardIterator __l, |
||
| 1316 | typename enable_if<__is_forward_iterator<_ForwardIterator>::value |
||
| 1317 | &&!__is_bidirectional_iterator<_ForwardIterator>::value>::type* = 0); |
||
| 1318 | template <class _BiIter> |
||
| 1319 | iterator insert(const_iterator __p, _BiIter __f, _BiIter __l, |
||
| 1320 | typename enable_if<__is_bidirectional_iterator<_BiIter>::value>::type* = 0); |
||
| 1321 | #ifndef _LIBCPP_HAS_NO_GENERALIZED_INITIALIZERS |
||
| 1322 | _LIBCPP_INLINE_VISIBILITY |
||
| 1323 | iterator insert(const_iterator __p, initializer_list<value_type> __il) |
||
| 1324 | {return insert(__p, __il.begin(), __il.end());}
|
||
| 1325 | #endif // _LIBCPP_HAS_NO_GENERALIZED_INITIALIZERS |
||
| 1326 | void pop_front(); |
||
| 1327 | void pop_back(); |
||
| 1328 | iterator erase(const_iterator __p); |
||
| 1329 | iterator erase(const_iterator __f, const_iterator __l); |
||
| 1330 | |||
| 1331 | void swap(deque& __c) |
||
| 1332 | #if _LIBCPP_STD_VER >= 14 |
||
| 1333 | _NOEXCEPT; |
||
| 1334 | #else |
||
| 1335 | _NOEXCEPT_(!__alloc_traits::propagate_on_container_swap::value || |
||
| 1336 | __is_nothrow_swappable<allocator_type>::value); |
||
| 1337 | #endif |
||
| 1338 | void clear() _NOEXCEPT; |
||
| 1339 | |||
| 1340 | _LIBCPP_INLINE_VISIBILITY |
||
| 1341 | bool __invariants() const {return __base::__invariants();}
|
||
| 1342 | private: |
||
| 1343 | typedef typename __base::__map_const_pointer __map_const_pointer; |
||
| 1344 | |||
| 1345 | _LIBCPP_INLINE_VISIBILITY |
||
| 1346 | static size_type __recommend_blocks(size_type __n) |
||
| 1347 | {
|
||
| 1348 | return __n / __base::__block_size + (__n % __base::__block_size != 0); |
||
| 1349 | } |
||
| 1350 | _LIBCPP_INLINE_VISIBILITY |
||
| 1351 | size_type __capacity() const |
||
| 1352 | {
|
||
| 1353 | return __base::__map_.size() == 0 ? 0 : __base::__map_.size() * __base::__block_size - 1; |
||
| 1354 | } |
||
| 1355 | _LIBCPP_INLINE_VISIBILITY |
||
| 1356 | size_type __front_spare() const |
||
| 1357 | {
|
||
| 1358 | return __base::__start_; |
||
| 1359 | } |
||
| 1360 | _LIBCPP_INLINE_VISIBILITY |
||
| 1361 | size_type __back_spare() const |
||
| 1362 | {
|
||
| 1363 | return __capacity() - (__base::__start_ + __base::size()); |
||
| 1364 | } |
||
| 1365 | |||
| 1366 | template <class _InpIter> |
||
| 1367 | void __append(_InpIter __f, _InpIter __l, |
||
| 1368 | typename enable_if<__is_input_iterator<_InpIter>::value && |
||
| 1369 | !__is_forward_iterator<_InpIter>::value>::type* = 0); |
||
| 1370 | template <class _ForIter> |
||
| 1371 | void __append(_ForIter __f, _ForIter __l, |
||
| 1372 | typename enable_if<__is_forward_iterator<_ForIter>::value>::type* = 0); |
||
| 1373 | void __append(size_type __n); |
||
| 1374 | void __append(size_type __n, const value_type& __v); |
||
| 1375 | void __erase_to_end(const_iterator __f); |
||
| 1376 | void __add_front_capacity(); |
||
| 1377 | void __add_front_capacity(size_type __n); |
||
| 1378 | void __add_back_capacity(); |
||
| 1379 | void __add_back_capacity(size_type __n); |
||
| 1380 | iterator __move_and_check(iterator __f, iterator __l, iterator __r, |
||
| 1381 | const_pointer& __vt); |
||
| 1382 | iterator __move_backward_and_check(iterator __f, iterator __l, iterator __r, |
||
| 1383 | const_pointer& __vt); |
||
| 1384 | void __move_construct_and_check(iterator __f, iterator __l, |
||
| 1385 | iterator __r, const_pointer& __vt); |
||
| 1386 | void __move_construct_backward_and_check(iterator __f, iterator __l, |
||
| 1387 | iterator __r, const_pointer& __vt); |
||
| 1388 | |||
| 1389 | _LIBCPP_INLINE_VISIBILITY |
||
| 1390 | void __copy_assign_alloc(const deque& __c) |
||
| 1391 | {__copy_assign_alloc(__c, integral_constant<bool,
|
||
| 1392 | __alloc_traits::propagate_on_container_copy_assignment::value>());} |
||
| 1393 | |||
| 1394 | _LIBCPP_INLINE_VISIBILITY |
||
| 1395 | void __copy_assign_alloc(const deque& __c, true_type) |
||
| 1396 | {
|
||
| 1397 | if (__base::__alloc() != __c.__alloc()) |
||
| 1398 | {
|
||
| 1399 | clear(); |
||
| 1400 | shrink_to_fit(); |
||
| 1401 | } |
||
| 1402 | __base::__alloc() = __c.__alloc(); |
||
| 1403 | __base::__map_.__alloc() = __c.__map_.__alloc(); |
||
| 1404 | } |
||
| 1405 | |||
| 1406 | _LIBCPP_INLINE_VISIBILITY |
||
| 1407 | void __copy_assign_alloc(const deque&, false_type) |
||
| 1408 | {}
|
||
| 1409 | |||
| 1410 | void __move_assign(deque& __c, true_type) |
||
| 1411 | _NOEXCEPT_(is_nothrow_move_assignable<allocator_type>::value); |
||
| 1412 | void __move_assign(deque& __c, false_type); |
||
| 1413 | }; |
||
| 1414 | |||
| 1415 | template <class _Tp, class _Allocator> |
||
| 1416 | deque<_Tp, _Allocator>::deque(size_type __n) |
||
| 1417 | {
|
||
| 1418 | if (__n > 0) |
||
| 1419 | __append(__n); |
||
| 1420 | } |
||
| 1421 | |||
| 1422 | #if _LIBCPP_STD_VER > 11 |
||
| 1423 | template <class _Tp, class _Allocator> |
||
| 1424 | deque<_Tp, _Allocator>::deque(size_type __n, const _Allocator& __a) |
||
| 1425 | : __base(__a) |
||
| 1426 | {
|
||
| 1427 | if (__n > 0) |
||
| 1428 | __append(__n); |
||
| 1429 | } |
||
| 1430 | #endif |
||
| 1431 | |||
| 1432 | template <class _Tp, class _Allocator> |
||
| 1433 | deque<_Tp, _Allocator>::deque(size_type __n, const value_type& __v) |
||
| 1434 | {
|
||
| 1435 | if (__n > 0) |
||
| 1436 | __append(__n, __v); |
||
| 1437 | } |
||
| 1438 | |||
| 1439 | template <class _Tp, class _Allocator> |
||
| 1440 | deque<_Tp, _Allocator>::deque(size_type __n, const value_type& __v, const allocator_type& __a) |
||
| 1441 | : __base(__a) |
||
| 1442 | {
|
||
| 1443 | if (__n > 0) |
||
| 1444 | __append(__n, __v); |
||
| 1445 | } |
||
| 1446 | |||
| 1447 | template <class _Tp, class _Allocator> |
||
| 1448 | template <class _InputIter> |
||
| 1449 | deque<_Tp, _Allocator>::deque(_InputIter __f, _InputIter __l, |
||
| 1450 | typename enable_if<__is_input_iterator<_InputIter>::value>::type*) |
||
| 1451 | {
|
||
| 1452 | __append(__f, __l); |
||
| 1453 | } |
||
| 1454 | |||
| 1455 | template <class _Tp, class _Allocator> |
||
| 1456 | template <class _InputIter> |
||
| 1457 | deque<_Tp, _Allocator>::deque(_InputIter __f, _InputIter __l, const allocator_type& __a, |
||
| 1458 | typename enable_if<__is_input_iterator<_InputIter>::value>::type*) |
||
| 1459 | : __base(__a) |
||
| 1460 | {
|
||
| 1461 | __append(__f, __l); |
||
| 1462 | } |
||
| 1463 | |||
| 1464 | template <class _Tp, class _Allocator> |
||
| 1465 | deque<_Tp, _Allocator>::deque(const deque& __c) |
||
| 1466 | : __base(__alloc_traits::select_on_container_copy_construction(__c.__alloc())) |
||
| 1467 | {
|
||
| 1468 | __append(__c.begin(), __c.end()); |
||
| 1469 | } |
||
| 1470 | |||
| 1471 | template <class _Tp, class _Allocator> |
||
| 1472 | deque<_Tp, _Allocator>::deque(const deque& __c, const allocator_type& __a) |
||
| 1473 | : __base(__a) |
||
| 1474 | {
|
||
| 1475 | __append(__c.begin(), __c.end()); |
||
| 1476 | } |
||
| 1477 | |||
| 1478 | #ifndef _LIBCPP_HAS_NO_GENERALIZED_INITIALIZERS |
||
| 1479 | |||
| 1480 | template <class _Tp, class _Allocator> |
||
| 1481 | deque<_Tp, _Allocator>::deque(initializer_list<value_type> __il) |
||
| 1482 | {
|
||
| 1483 | __append(__il.begin(), __il.end()); |
||
| 1484 | } |
||
| 1485 | |||
| 1486 | template <class _Tp, class _Allocator> |
||
| 1487 | deque<_Tp, _Allocator>::deque(initializer_list<value_type> __il, const allocator_type& __a) |
||
| 1488 | : __base(__a) |
||
| 1489 | {
|
||
| 1490 | __append(__il.begin(), __il.end()); |
||
| 1491 | } |
||
| 1492 | |||
| 1493 | #endif // _LIBCPP_HAS_NO_GENERALIZED_INITIALIZERS |
||
| 1494 | |||
| 1495 | template <class _Tp, class _Allocator> |
||
| 1496 | deque<_Tp, _Allocator>& |
||
| 1497 | deque<_Tp, _Allocator>::operator=(const deque& __c) |
||
| 1498 | {
|
||
| 1499 | if (this != &__c) |
||
| 1500 | {
|
||
| 1501 | __copy_assign_alloc(__c); |
||
| 1502 | assign(__c.begin(), __c.end()); |
||
| 1503 | } |
||
| 1504 | return *this; |
||
| 1505 | } |
||
| 1506 | |||
| 1507 | #ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES |
||
| 1508 | |||
| 1509 | template <class _Tp, class _Allocator> |
||
| 1510 | inline _LIBCPP_INLINE_VISIBILITY |
||
| 1511 | deque<_Tp, _Allocator>::deque(deque&& __c) |
||
| 1512 | _NOEXCEPT_(is_nothrow_move_constructible<__base>::value) |
||
| 1513 | : __base(_VSTD::move(__c)) |
||
| 1514 | {
|
||
| 1515 | } |
||
| 1516 | |||
| 1517 | template <class _Tp, class _Allocator> |
||
| 1518 | inline _LIBCPP_INLINE_VISIBILITY |
||
| 1519 | deque<_Tp, _Allocator>::deque(deque&& __c, const allocator_type& __a) |
||
| 1520 | : __base(_VSTD::move(__c), __a) |
||
| 1521 | {
|
||
| 1522 | if (__a != __c.__alloc()) |
||
| 1523 | {
|
||
| 1524 | typedef move_iterator<iterator> _Ip; |
||
| 1525 | assign(_Ip(__c.begin()), _Ip(__c.end())); |
||
| 1526 | } |
||
| 1527 | } |
||
| 1528 | |||
| 1529 | template <class _Tp, class _Allocator> |
||
| 1530 | inline _LIBCPP_INLINE_VISIBILITY |
||
| 1531 | deque<_Tp, _Allocator>& |
||
| 1532 | deque<_Tp, _Allocator>::operator=(deque&& __c) |
||
| 1533 | _NOEXCEPT_(__alloc_traits::propagate_on_container_move_assignment::value && |
||
| 1534 | is_nothrow_move_assignable<allocator_type>::value) |
||
| 1535 | {
|
||
| 1536 | __move_assign(__c, integral_constant<bool, |
||
| 1537 | __alloc_traits::propagate_on_container_move_assignment::value>()); |
||
| 1538 | return *this; |
||
| 1539 | } |
||
| 1540 | |||
| 1541 | template <class _Tp, class _Allocator> |
||
| 1542 | void |
||
| 1543 | deque<_Tp, _Allocator>::__move_assign(deque& __c, false_type) |
||
| 1544 | {
|
||
| 1545 | if (__base::__alloc() != __c.__alloc()) |
||
| 1546 | {
|
||
| 1547 | typedef move_iterator<iterator> _Ip; |
||
| 1548 | assign(_Ip(__c.begin()), _Ip(__c.end())); |
||
| 1549 | } |
||
| 1550 | else |
||
| 1551 | __move_assign(__c, true_type()); |
||
| 1552 | } |
||
| 1553 | |||
| 1554 | template <class _Tp, class _Allocator> |
||
| 1555 | void |
||
| 1556 | deque<_Tp, _Allocator>::__move_assign(deque& __c, true_type) |
||
| 1557 | _NOEXCEPT_(is_nothrow_move_assignable<allocator_type>::value) |
||
| 1558 | {
|
||
| 1559 | clear(); |
||
| 1560 | shrink_to_fit(); |
||
| 1561 | __base::__move_assign(__c); |
||
| 1562 | } |
||
| 1563 | |||
| 1564 | #endif // _LIBCPP_HAS_NO_RVALUE_REFERENCES |
||
| 1565 | |||
| 1566 | template <class _Tp, class _Allocator> |
||
| 1567 | template <class _InputIter> |
||
| 1568 | void |
||
| 1569 | deque<_Tp, _Allocator>::assign(_InputIter __f, _InputIter __l, |
||
| 1570 | typename enable_if<__is_input_iterator<_InputIter>::value && |
||
| 1571 | !__is_random_access_iterator<_InputIter>::value>::type*) |
||
| 1572 | {
|
||
| 1573 | iterator __i = __base::begin(); |
||
| 1574 | iterator __e = __base::end(); |
||
| 1575 | for (; __f != __l && __i != __e; ++__f, (void) ++__i) |
||
| 1576 | *__i = *__f; |
||
| 1577 | if (__f != __l) |
||
| 1578 | __append(__f, __l); |
||
| 1579 | else |
||
| 1580 | __erase_to_end(__i); |
||
| 1581 | } |
||
| 1582 | |||
| 1583 | template <class _Tp, class _Allocator> |
||
| 1584 | template <class _RAIter> |
||
| 1585 | void |
||
| 1586 | deque<_Tp, _Allocator>::assign(_RAIter __f, _RAIter __l, |
||
| 1587 | typename enable_if<__is_random_access_iterator<_RAIter>::value>::type*) |
||
| 1588 | {
|
||
| 1589 | if (static_cast<size_type>(__l - __f) > __base::size()) |
||
| 1590 | {
|
||
| 1591 | _RAIter __m = __f + __base::size(); |
||
| 1592 | _VSTD::copy(__f, __m, __base::begin()); |
||
| 1593 | __append(__m, __l); |
||
| 1594 | } |
||
| 1595 | else |
||
| 1596 | __erase_to_end(_VSTD::copy(__f, __l, __base::begin())); |
||
| 1597 | } |
||
| 1598 | |||
| 1599 | template <class _Tp, class _Allocator> |
||
| 1600 | void |
||
| 1601 | deque<_Tp, _Allocator>::assign(size_type __n, const value_type& __v) |
||
| 1602 | {
|
||
| 1603 | if (__n > __base::size()) |
||
| 1604 | {
|
||
| 1605 | _VSTD::fill_n(__base::begin(), __base::size(), __v); |
||
| 1606 | __n -= __base::size(); |
||
| 1607 | __append(__n, __v); |
||
| 1608 | } |
||
| 1609 | else |
||
| 1610 | __erase_to_end(_VSTD::fill_n(__base::begin(), __n, __v)); |
||
| 1611 | } |
||
| 1612 | |||
| 1613 | template <class _Tp, class _Allocator> |
||
| 1614 | inline _LIBCPP_INLINE_VISIBILITY |
||
| 1615 | _Allocator |
||
| 1616 | deque<_Tp, _Allocator>::get_allocator() const _NOEXCEPT |
||
| 1617 | {
|
||
| 1618 | return __base::__alloc(); |
||
| 1619 | } |
||
| 1620 | |||
| 1621 | template <class _Tp, class _Allocator> |
||
| 1622 | void |
||
| 1623 | deque<_Tp, _Allocator>::resize(size_type __n) |
||
| 1624 | {
|
||
| 1625 | if (__n > __base::size()) |
||
| 1626 | __append(__n - __base::size()); |
||
| 1627 | else if (__n < __base::size()) |
||
| 1628 | __erase_to_end(__base::begin() + __n); |
||
| 1629 | } |
||
| 1630 | |||
| 1631 | template <class _Tp, class _Allocator> |
||
| 1632 | void |
||
| 1633 | deque<_Tp, _Allocator>::resize(size_type __n, const value_type& __v) |
||
| 1634 | {
|
||
| 1635 | if (__n > __base::size()) |
||
| 1636 | __append(__n - __base::size(), __v); |
||
| 1637 | else if (__n < __base::size()) |
||
| 1638 | __erase_to_end(__base::begin() + __n); |
||
| 1639 | } |
||
| 1640 | |||
| 1641 | template <class _Tp, class _Allocator> |
||
| 1642 | void |
||
| 1643 | deque<_Tp, _Allocator>::shrink_to_fit() _NOEXCEPT |
||
| 1644 | {
|
||
| 1645 | allocator_type& __a = __base::__alloc(); |
||
| 1646 | if (empty()) |
||
| 1647 | {
|
||
| 1648 | while (__base::__map_.size() > 0) |
||
| 1649 | {
|
||
| 1650 | __alloc_traits::deallocate(__a, __base::__map_.back(), __base::__block_size); |
||
| 1651 | __base::__map_.pop_back(); |
||
| 1652 | } |
||
| 1653 | __base::__start_ = 0; |
||
| 1654 | } |
||
| 1655 | else |
||
| 1656 | {
|
||
| 1657 | if (__front_spare() >= __base::__block_size) |
||
| 1658 | {
|
||
| 1659 | __alloc_traits::deallocate(__a, __base::__map_.front(), __base::__block_size); |
||
| 1660 | __base::__map_.pop_front(); |
||
| 1661 | __base::__start_ -= __base::__block_size; |
||
| 1662 | } |
||
| 1663 | if (__back_spare() >= __base::__block_size) |
||
| 1664 | {
|
||
| 1665 | __alloc_traits::deallocate(__a, __base::__map_.back(), __base::__block_size); |
||
| 1666 | __base::__map_.pop_back(); |
||
| 1667 | } |
||
| 1668 | } |
||
| 1669 | __base::__map_.shrink_to_fit(); |
||
| 1670 | } |
||
| 1671 | |||
| 1672 | template <class _Tp, class _Allocator> |
||
| 1673 | inline _LIBCPP_INLINE_VISIBILITY |
||
| 1674 | typename deque<_Tp, _Allocator>::reference |
||
| 1675 | deque<_Tp, _Allocator>::operator[](size_type __i) |
||
| 1676 | {
|
||
| 1677 | size_type __p = __base::__start_ + __i; |
||
| 1678 | return *(*(__base::__map_.begin() + __p / __base::__block_size) + __p % __base::__block_size); |
||
| 1679 | } |
||
| 1680 | |||
| 1681 | template <class _Tp, class _Allocator> |
||
| 1682 | inline _LIBCPP_INLINE_VISIBILITY |
||
| 1683 | typename deque<_Tp, _Allocator>::const_reference |
||
| 1684 | deque<_Tp, _Allocator>::operator[](size_type __i) const |
||
| 1685 | {
|
||
| 1686 | size_type __p = __base::__start_ + __i; |
||
| 1687 | return *(*(__base::__map_.begin() + __p / __base::__block_size) + __p % __base::__block_size); |
||
| 1688 | } |
||
| 1689 | |||
| 1690 | template <class _Tp, class _Allocator> |
||
| 1691 | inline _LIBCPP_INLINE_VISIBILITY |
||
| 1692 | typename deque<_Tp, _Allocator>::reference |
||
| 1693 | deque<_Tp, _Allocator>::at(size_type __i) |
||
| 1694 | {
|
||
| 1695 | if (__i >= __base::size()) |
||
| 1696 | __base::__throw_out_of_range(); |
||
| 1697 | size_type __p = __base::__start_ + __i; |
||
| 1698 | return *(*(__base::__map_.begin() + __p / __base::__block_size) + __p % __base::__block_size); |
||
| 1699 | } |
||
| 1700 | |||
| 1701 | template <class _Tp, class _Allocator> |
||
| 1702 | inline _LIBCPP_INLINE_VISIBILITY |
||
| 1703 | typename deque<_Tp, _Allocator>::const_reference |
||
| 1704 | deque<_Tp, _Allocator>::at(size_type __i) const |
||
| 1705 | {
|
||
| 1706 | if (__i >= __base::size()) |
||
| 1707 | __base::__throw_out_of_range(); |
||
| 1708 | size_type __p = __base::__start_ + __i; |
||
| 1709 | return *(*(__base::__map_.begin() + __p / __base::__block_size) + __p % __base::__block_size); |
||
| 1710 | } |
||
| 1711 | |||
| 1712 | template <class _Tp, class _Allocator> |
||
| 1713 | inline _LIBCPP_INLINE_VISIBILITY |
||
| 1714 | typename deque<_Tp, _Allocator>::reference |
||
| 1715 | deque<_Tp, _Allocator>::front() |
||
| 1716 | {
|
||
| 1717 | return *(*(__base::__map_.begin() + __base::__start_ / __base::__block_size) |
||
| 1718 | + __base::__start_ % __base::__block_size); |
||
| 1719 | } |
||
| 1720 | |||
| 1721 | template <class _Tp, class _Allocator> |
||
| 1722 | inline _LIBCPP_INLINE_VISIBILITY |
||
| 1723 | typename deque<_Tp, _Allocator>::const_reference |
||
| 1724 | deque<_Tp, _Allocator>::front() const |
||
| 1725 | {
|
||
| 1726 | return *(*(__base::__map_.begin() + __base::__start_ / __base::__block_size) |
||
| 1727 | + __base::__start_ % __base::__block_size); |
||
| 1728 | } |
||
| 1729 | |||
| 1730 | template <class _Tp, class _Allocator> |
||
| 1731 | inline _LIBCPP_INLINE_VISIBILITY |
||
| 1732 | typename deque<_Tp, _Allocator>::reference |
||
| 1733 | deque<_Tp, _Allocator>::back() |
||
| 1734 | {
|
||
| 1735 | size_type __p = __base::size() + __base::__start_ - 1; |
||
| 1736 | return *(*(__base::__map_.begin() + __p / __base::__block_size) + __p % __base::__block_size); |
||
| 1737 | } |
||
| 1738 | |||
| 1739 | template <class _Tp, class _Allocator> |
||
| 1740 | inline _LIBCPP_INLINE_VISIBILITY |
||
| 1741 | typename deque<_Tp, _Allocator>::const_reference |
||
| 1742 | deque<_Tp, _Allocator>::back() const |
||
| 1743 | {
|
||
| 1744 | size_type __p = __base::size() + __base::__start_ - 1; |
||
| 1745 | return *(*(__base::__map_.begin() + __p / __base::__block_size) + __p % __base::__block_size); |
||
| 1746 | } |
||
| 1747 | |||
| 1748 | template <class _Tp, class _Allocator> |
||
| 1749 | void |
||
| 1750 | deque<_Tp, _Allocator>::push_back(const value_type& __v) |
||
| 1751 | {
|
||
| 1752 | allocator_type& __a = __base::__alloc(); |
||
| 1753 | if (__back_spare() == 0) |
||
| 1754 | __add_back_capacity(); |
||
| 1755 | // __back_spare() >= 1 |
||
| 1756 | __alloc_traits::construct(__a, _VSTD::addressof(*__base::end()), __v); |
||
| 1757 | ++__base::size(); |
||
| 1758 | } |
||
| 1759 | |||
| 1760 | #ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES |
||
| 1761 | |||
| 1762 | template <class _Tp, class _Allocator> |
||
| 1763 | void |
||
| 1764 | deque<_Tp, _Allocator>::push_back(value_type&& __v) |
||
| 1765 | {
|
||
| 1766 | allocator_type& __a = __base::__alloc(); |
||
| 1767 | if (__back_spare() == 0) |
||
| 1768 | __add_back_capacity(); |
||
| 1769 | // __back_spare() >= 1 |
||
| 1770 | __alloc_traits::construct(__a, _VSTD::addressof(*__base::end()), _VSTD::move(__v)); |
||
| 1771 | ++__base::size(); |
||
| 1772 | } |
||
| 1773 | |||
| 1774 | #ifndef _LIBCPP_HAS_NO_VARIADICS |
||
| 1775 | |||
| 1776 | template <class _Tp, class _Allocator> |
||
| 1777 | template <class... _Args> |
||
| 1778 | void |
||
| 1779 | deque<_Tp, _Allocator>::emplace_back(_Args&&... __args) |
||
| 1780 | {
|
||
| 1781 | allocator_type& __a = __base::__alloc(); |
||
| 1782 | if (__back_spare() == 0) |
||
| 1783 | __add_back_capacity(); |
||
| 1784 | // __back_spare() >= 1 |
||
| 1785 | __alloc_traits::construct(__a, _VSTD::addressof(*__base::end()), _VSTD::forward<_Args>(__args)...); |
||
| 1786 | ++__base::size(); |
||
| 1787 | } |
||
| 1788 | |||
| 1789 | #endif // _LIBCPP_HAS_NO_VARIADICS |
||
| 1790 | #endif // _LIBCPP_HAS_NO_RVALUE_REFERENCES |
||
| 1791 | |||
| 1792 | template <class _Tp, class _Allocator> |
||
| 1793 | void |
||
| 1794 | deque<_Tp, _Allocator>::push_front(const value_type& __v) |
||
| 1795 | {
|
||
| 1796 | allocator_type& __a = __base::__alloc(); |
||
| 1797 | if (__front_spare() == 0) |
||
| 1798 | __add_front_capacity(); |
||
| 1799 | // __front_spare() >= 1 |
||
| 1800 | __alloc_traits::construct(__a, _VSTD::addressof(*--__base::begin()), __v); |
||
| 1801 | --__base::__start_; |
||
| 1802 | ++__base::size(); |
||
| 1803 | } |
||
| 1804 | |||
| 1805 | #ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES |
||
| 1806 | |||
| 1807 | template <class _Tp, class _Allocator> |
||
| 1808 | void |
||
| 1809 | deque<_Tp, _Allocator>::push_front(value_type&& __v) |
||
| 1810 | {
|
||
| 1811 | allocator_type& __a = __base::__alloc(); |
||
| 1812 | if (__front_spare() == 0) |
||
| 1813 | __add_front_capacity(); |
||
| 1814 | // __front_spare() >= 1 |
||
| 1815 | __alloc_traits::construct(__a, _VSTD::addressof(*--__base::begin()), _VSTD::move(__v)); |
||
| 1816 | --__base::__start_; |
||
| 1817 | ++__base::size(); |
||
| 1818 | } |
||
| 1819 | |||
| 1820 | #ifndef _LIBCPP_HAS_NO_VARIADICS |
||
| 1821 | |||
| 1822 | template <class _Tp, class _Allocator> |
||
| 1823 | template <class... _Args> |
||
| 1824 | void |
||
| 1825 | deque<_Tp, _Allocator>::emplace_front(_Args&&... __args) |
||
| 1826 | {
|
||
| 1827 | allocator_type& __a = __base::__alloc(); |
||
| 1828 | if (__front_spare() == 0) |
||
| 1829 | __add_front_capacity(); |
||
| 1830 | // __front_spare() >= 1 |
||
| 1831 | __alloc_traits::construct(__a, _VSTD::addressof(*--__base::begin()), _VSTD::forward<_Args>(__args)...); |
||
| 1832 | --__base::__start_; |
||
| 1833 | ++__base::size(); |
||
| 1834 | } |
||
| 1835 | |||
| 1836 | #endif // _LIBCPP_HAS_NO_VARIADICS |
||
| 1837 | #endif // _LIBCPP_HAS_NO_RVALUE_REFERENCES |
||
| 1838 | |||
| 1839 | template <class _Tp, class _Allocator> |
||
| 1840 | typename deque<_Tp, _Allocator>::iterator |
||
| 1841 | deque<_Tp, _Allocator>::insert(const_iterator __p, const value_type& __v) |
||
| 1842 | {
|
||
| 1843 | size_type __pos = __p - __base::begin(); |
||
| 1844 | size_type __to_end = __base::size() - __pos; |
||
| 1845 | allocator_type& __a = __base::__alloc(); |
||
| 1846 | if (__pos < __to_end) |
||
| 1847 | { // insert by shifting things backward
|
||
| 1848 | if (__front_spare() == 0) |
||
| 1849 | __add_front_capacity(); |
||
| 1850 | // __front_spare() >= 1 |
||
| 1851 | if (__pos == 0) |
||
| 1852 | {
|
||
| 1853 | __alloc_traits::construct(__a, _VSTD::addressof(*--__base::begin()), __v); |
||
| 1854 | --__base::__start_; |
||
| 1855 | ++__base::size(); |
||
| 1856 | } |
||
| 1857 | else |
||
| 1858 | {
|
||
| 1859 | const_pointer __vt = pointer_traits<const_pointer>::pointer_to(__v); |
||
| 1860 | iterator __b = __base::begin(); |
||
| 1861 | iterator __bm1 = _VSTD::prev(__b); |
||
| 1862 | if (__vt == pointer_traits<const_pointer>::pointer_to(*__b)) |
||
| 1863 | __vt = pointer_traits<const_pointer>::pointer_to(*__bm1); |
||
| 1864 | __alloc_traits::construct(__a, _VSTD::addressof(*__bm1), _VSTD::move(*__b)); |
||
| 1865 | --__base::__start_; |
||
| 1866 | ++__base::size(); |
||
| 1867 | if (__pos > 1) |
||
| 1868 | __b = __move_and_check(_VSTD::next(__b), __b + __pos, __b, __vt); |
||
| 1869 | *__b = *__vt; |
||
| 1870 | } |
||
| 1871 | } |
||
| 1872 | else |
||
| 1873 | { // insert by shifting things forward
|
||
| 1874 | if (__back_spare() == 0) |
||
| 1875 | __add_back_capacity(); |
||
| 1876 | // __back_capacity >= 1 |
||
| 1877 | size_type __de = __base::size() - __pos; |
||
| 1878 | if (__de == 0) |
||
| 1879 | {
|
||
| 1880 | __alloc_traits::construct(__a, _VSTD::addressof(*__base::end()), __v); |
||
| 1881 | ++__base::size(); |
||
| 1882 | } |
||
| 1883 | else |
||
| 1884 | {
|
||
| 1885 | const_pointer __vt = pointer_traits<const_pointer>::pointer_to(__v); |
||
| 1886 | iterator __e = __base::end(); |
||
| 1887 | iterator __em1 = _VSTD::prev(__e); |
||
| 1888 | if (__vt == pointer_traits<const_pointer>::pointer_to(*__em1)) |
||
| 1889 | __vt = pointer_traits<const_pointer>::pointer_to(*__e); |
||
| 1890 | __alloc_traits::construct(__a, _VSTD::addressof(*__e), _VSTD::move(*__em1)); |
||
| 1891 | ++__base::size(); |
||
| 1892 | if (__de > 1) |
||
| 1893 | __e = __move_backward_and_check(__e - __de, __em1, __e, __vt); |
||
| 1894 | *--__e = *__vt; |
||
| 1895 | } |
||
| 1896 | } |
||
| 1897 | return __base::begin() + __pos; |
||
| 1898 | } |
||
| 1899 | |||
| 1900 | #ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES |
||
| 1901 | |||
| 1902 | template <class _Tp, class _Allocator> |
||
| 1903 | typename deque<_Tp, _Allocator>::iterator |
||
| 1904 | deque<_Tp, _Allocator>::insert(const_iterator __p, value_type&& __v) |
||
| 1905 | {
|
||
| 1906 | size_type __pos = __p - __base::begin(); |
||
| 1907 | size_type __to_end = __base::size() - __pos; |
||
| 1908 | allocator_type& __a = __base::__alloc(); |
||
| 1909 | if (__pos < __to_end) |
||
| 1910 | { // insert by shifting things backward
|
||
| 1911 | if (__front_spare() == 0) |
||
| 1912 | __add_front_capacity(); |
||
| 1913 | // __front_spare() >= 1 |
||
| 1914 | if (__pos == 0) |
||
| 1915 | {
|
||
| 1916 | __alloc_traits::construct(__a, _VSTD::addressof(*--__base::begin()), _VSTD::move(__v)); |
||
| 1917 | --__base::__start_; |
||
| 1918 | ++__base::size(); |
||
| 1919 | } |
||
| 1920 | else |
||
| 1921 | {
|
||
| 1922 | iterator __b = __base::begin(); |
||
| 1923 | iterator __bm1 = _VSTD::prev(__b); |
||
| 1924 | __alloc_traits::construct(__a, _VSTD::addressof(*__bm1), _VSTD::move(*__b)); |
||
| 1925 | --__base::__start_; |
||
| 1926 | ++__base::size(); |
||
| 1927 | if (__pos > 1) |
||
| 1928 | __b = _VSTD::move(_VSTD::next(__b), __b + __pos, __b); |
||
| 1929 | *__b = _VSTD::move(__v); |
||
| 1930 | } |
||
| 1931 | } |
||
| 1932 | else |
||
| 1933 | { // insert by shifting things forward
|
||
| 1934 | if (__back_spare() == 0) |
||
| 1935 | __add_back_capacity(); |
||
| 1936 | // __back_capacity >= 1 |
||
| 1937 | size_type __de = __base::size() - __pos; |
||
| 1938 | if (__de == 0) |
||
| 1939 | {
|
||
| 1940 | __alloc_traits::construct(__a, _VSTD::addressof(*__base::end()), _VSTD::move(__v)); |
||
| 1941 | ++__base::size(); |
||
| 1942 | } |
||
| 1943 | else |
||
| 1944 | {
|
||
| 1945 | iterator __e = __base::end(); |
||
| 1946 | iterator __em1 = _VSTD::prev(__e); |
||
| 1947 | __alloc_traits::construct(__a, _VSTD::addressof(*__e), _VSTD::move(*__em1)); |
||
| 1948 | ++__base::size(); |
||
| 1949 | if (__de > 1) |
||
| 1950 | __e = _VSTD::move_backward(__e - __de, __em1, __e); |
||
| 1951 | *--__e = _VSTD::move(__v); |
||
| 1952 | } |
||
| 1953 | } |
||
| 1954 | return __base::begin() + __pos; |
||
| 1955 | } |
||
| 1956 | |||
| 1957 | #ifndef _LIBCPP_HAS_NO_VARIADICS |
||
| 1958 | |||
| 1959 | template <class _Tp, class _Allocator> |
||
| 1960 | template <class... _Args> |
||
| 1961 | typename deque<_Tp, _Allocator>::iterator |
||
| 1962 | deque<_Tp, _Allocator>::emplace(const_iterator __p, _Args&&... __args) |
||
| 1963 | {
|
||
| 1964 | size_type __pos = __p - __base::begin(); |
||
| 1965 | size_type __to_end = __base::size() - __pos; |
||
| 1966 | allocator_type& __a = __base::__alloc(); |
||
| 1967 | if (__pos < __to_end) |
||
| 1968 | { // insert by shifting things backward
|
||
| 1969 | if (__front_spare() == 0) |
||
| 1970 | __add_front_capacity(); |
||
| 1971 | // __front_spare() >= 1 |
||
| 1972 | if (__pos == 0) |
||
| 1973 | {
|
||
| 1974 | __alloc_traits::construct(__a, _VSTD::addressof(*--__base::begin()), _VSTD::forward<_Args>(__args)...); |
||
| 1975 | --__base::__start_; |
||
| 1976 | ++__base::size(); |
||
| 1977 | } |
||
| 1978 | else |
||
| 1979 | {
|
||
| 1980 | value_type __tmp(_VSTD::forward<_Args>(__args)...); |
||
| 1981 | iterator __b = __base::begin(); |
||
| 1982 | iterator __bm1 = _VSTD::prev(__b); |
||
| 1983 | __alloc_traits::construct(__a, _VSTD::addressof(*__bm1), _VSTD::move(*__b)); |
||
| 1984 | --__base::__start_; |
||
| 1985 | ++__base::size(); |
||
| 1986 | if (__pos > 1) |
||
| 1987 | __b = _VSTD::move(_VSTD::next(__b), __b + __pos, __b); |
||
| 1988 | *__b = _VSTD::move(__tmp); |
||
| 1989 | } |
||
| 1990 | } |
||
| 1991 | else |
||
| 1992 | { // insert by shifting things forward
|
||
| 1993 | if (__back_spare() == 0) |
||
| 1994 | __add_back_capacity(); |
||
| 1995 | // __back_capacity >= 1 |
||
| 1996 | size_type __de = __base::size() - __pos; |
||
| 1997 | if (__de == 0) |
||
| 1998 | {
|
||
| 1999 | __alloc_traits::construct(__a, _VSTD::addressof(*__base::end()), _VSTD::forward<_Args>(__args)...); |
||
| 2000 | ++__base::size(); |
||
| 2001 | } |
||
| 2002 | else |
||
| 2003 | {
|
||
| 2004 | value_type __tmp(_VSTD::forward<_Args>(__args)...); |
||
| 2005 | iterator __e = __base::end(); |
||
| 2006 | iterator __em1 = _VSTD::prev(__e); |
||
| 2007 | __alloc_traits::construct(__a, _VSTD::addressof(*__e), _VSTD::move(*__em1)); |
||
| 2008 | ++__base::size(); |
||
| 2009 | if (__de > 1) |
||
| 2010 | __e = _VSTD::move_backward(__e - __de, __em1, __e); |
||
| 2011 | *--__e = _VSTD::move(__tmp); |
||
| 2012 | } |
||
| 2013 | } |
||
| 2014 | return __base::begin() + __pos; |
||
| 2015 | } |
||
| 2016 | |||
| 2017 | #endif // _LIBCPP_HAS_NO_VARIADICS |
||
| 2018 | #endif // _LIBCPP_HAS_NO_RVALUE_REFERENCES |
||
| 2019 | |||
| 2020 | template <class _Tp, class _Allocator> |
||
| 2021 | typename deque<_Tp, _Allocator>::iterator |
||
| 2022 | deque<_Tp, _Allocator>::insert(const_iterator __p, size_type __n, const value_type& __v) |
||
| 2023 | {
|
||
| 2024 | size_type __pos = __p - __base::begin(); |
||
| 2025 | size_type __to_end = __base::size() - __pos; |
||
| 2026 | allocator_type& __a = __base::__alloc(); |
||
| 2027 | if (__pos < __to_end) |
||
| 2028 | { // insert by shifting things backward
|
||
| 2029 | if (__n > __front_spare()) |
||
| 2030 | __add_front_capacity(__n - __front_spare()); |
||
| 2031 | // __n <= __front_spare() |
||
| 2032 | iterator __old_begin = __base::begin(); |
||
| 2033 | iterator __i = __old_begin; |
||
| 2034 | if (__n > __pos) |
||
| 2035 | {
|
||
| 2036 | for (size_type __m = __n - __pos; __m; --__m, --__base::__start_, ++__base::size()) |
||
| 2037 | __alloc_traits::construct(__a, _VSTD::addressof(*--__i), __v); |
||
| 2038 | __n = __pos; |
||
| 2039 | } |
||
| 2040 | if (__n > 0) |
||
| 2041 | {
|
||
| 2042 | const_pointer __vt = pointer_traits<const_pointer>::pointer_to(__v); |
||
| 2043 | iterator __obn = __old_begin + __n; |
||
| 2044 | __move_construct_backward_and_check(__old_begin, __obn, __i, __vt); |
||
| 2045 | if (__n < __pos) |
||
| 2046 | __old_begin = __move_and_check(__obn, __old_begin + __pos, __old_begin, __vt); |
||
| 2047 | _VSTD::fill_n(__old_begin, __n, *__vt); |
||
| 2048 | } |
||
| 2049 | } |
||
| 2050 | else |
||
| 2051 | { // insert by shifting things forward
|
||
| 2052 | size_type __back_capacity = __back_spare(); |
||
| 2053 | if (__n > __back_capacity) |
||
| 2054 | __add_back_capacity(__n - __back_capacity); |
||
| 2055 | // __n <= __back_capacity |
||
| 2056 | iterator __old_end = __base::end(); |
||
| 2057 | iterator __i = __old_end; |
||
| 2058 | size_type __de = __base::size() - __pos; |
||
| 2059 | if (__n > __de) |
||
| 2060 | {
|
||
| 2061 | for (size_type __m = __n - __de; __m; --__m, ++__i, ++__base::size()) |
||
| 2062 | __alloc_traits::construct(__a, _VSTD::addressof(*__i), __v); |
||
| 2063 | __n = __de; |
||
| 2064 | } |
||
| 2065 | if (__n > 0) |
||
| 2066 | {
|
||
| 2067 | const_pointer __vt = pointer_traits<const_pointer>::pointer_to(__v); |
||
| 2068 | iterator __oen = __old_end - __n; |
||
| 2069 | __move_construct_and_check(__oen, __old_end, __i, __vt); |
||
| 2070 | if (__n < __de) |
||
| 2071 | __old_end = __move_backward_and_check(__old_end - __de, __oen, __old_end, __vt); |
||
| 2072 | _VSTD::fill_n(__old_end - __n, __n, *__vt); |
||
| 2073 | } |
||
| 2074 | } |
||
| 2075 | return __base::begin() + __pos; |
||
| 2076 | } |
||
| 2077 | |||
| 2078 | template <class _Tp, class _Allocator> |
||
| 2079 | template <class _InputIter> |
||
| 2080 | typename deque<_Tp, _Allocator>::iterator |
||
| 2081 | deque<_Tp, _Allocator>::insert(const_iterator __p, _InputIter __f, _InputIter __l, |
||
| 2082 | typename enable_if<__is_input_iterator<_InputIter>::value |
||
| 2083 | &&!__is_forward_iterator<_InputIter>::value>::type*) |
||
| 2084 | {
|
||
| 2085 | __split_buffer<value_type, allocator_type&> __buf(__base::__alloc()); |
||
| 2086 | __buf.__construct_at_end(__f, __l); |
||
| 2087 | typedef typename __split_buffer<value_type, allocator_type&>::iterator __bi; |
||
| 2088 | return insert(__p, move_iterator<__bi>(__buf.begin()), move_iterator<__bi>(__buf.end())); |
||
| 2089 | } |
||
| 2090 | |||
| 2091 | template <class _Tp, class _Allocator> |
||
| 2092 | template <class _ForwardIterator> |
||
| 2093 | typename deque<_Tp, _Allocator>::iterator |
||
| 2094 | deque<_Tp, _Allocator>::insert(const_iterator __p, _ForwardIterator __f, _ForwardIterator __l, |
||
| 2095 | typename enable_if<__is_forward_iterator<_ForwardIterator>::value |
||
| 2096 | &&!__is_bidirectional_iterator<_ForwardIterator>::value>::type*) |
||
| 2097 | {
|
||
| 2098 | size_type __n = _VSTD::distance(__f, __l); |
||
| 2099 | __split_buffer<value_type, allocator_type&> __buf(__n, 0, __base::__alloc()); |
||
| 2100 | __buf.__construct_at_end(__f, __l); |
||
| 2101 | typedef typename __split_buffer<value_type, allocator_type&>::iterator __fwd; |
||
| 2102 | return insert(__p, move_iterator<__fwd>(__buf.begin()), move_iterator<__fwd>(__buf.end())); |
||
| 2103 | } |
||
| 2104 | |||
| 2105 | template <class _Tp, class _Allocator> |
||
| 2106 | template <class _BiIter> |
||
| 2107 | typename deque<_Tp, _Allocator>::iterator |
||
| 2108 | deque<_Tp, _Allocator>::insert(const_iterator __p, _BiIter __f, _BiIter __l, |
||
| 2109 | typename enable_if<__is_bidirectional_iterator<_BiIter>::value>::type*) |
||
| 2110 | {
|
||
| 2111 | size_type __n = _VSTD::distance(__f, __l); |
||
| 2112 | size_type __pos = __p - __base::begin(); |
||
| 2113 | size_type __to_end = __base::size() - __pos; |
||
| 2114 | allocator_type& __a = __base::__alloc(); |
||
| 2115 | if (__pos < __to_end) |
||
| 2116 | { // insert by shifting things backward
|
||
| 2117 | if (__n > __front_spare()) |
||
| 2118 | __add_front_capacity(__n - __front_spare()); |
||
| 2119 | // __n <= __front_spare() |
||
| 2120 | iterator __old_begin = __base::begin(); |
||
| 2121 | iterator __i = __old_begin; |
||
| 2122 | _BiIter __m = __f; |
||
| 2123 | if (__n > __pos) |
||
| 2124 | {
|
||
| 2125 | __m = __pos < __n / 2 ? _VSTD::prev(__l, __pos) : _VSTD::next(__f, __n - __pos); |
||
| 2126 | for (_BiIter __j = __m; __j != __f; --__base::__start_, ++__base::size()) |
||
| 2127 | __alloc_traits::construct(__a, _VSTD::addressof(*--__i), *--__j); |
||
| 2128 | __n = __pos; |
||
| 2129 | } |
||
| 2130 | if (__n > 0) |
||
| 2131 | {
|
||
| 2132 | iterator __obn = __old_begin + __n; |
||
| 2133 | for (iterator __j = __obn; __j != __old_begin;) |
||
| 2134 | {
|
||
| 2135 | __alloc_traits::construct(__a, _VSTD::addressof(*--__i), _VSTD::move(*--__j)); |
||
| 2136 | --__base::__start_; |
||
| 2137 | ++__base::size(); |
||
| 2138 | } |
||
| 2139 | if (__n < __pos) |
||
| 2140 | __old_begin = _VSTD::move(__obn, __old_begin + __pos, __old_begin); |
||
| 2141 | _VSTD::copy(__m, __l, __old_begin); |
||
| 2142 | } |
||
| 2143 | } |
||
| 2144 | else |
||
| 2145 | { // insert by shifting things forward
|
||
| 2146 | size_type __back_capacity = __back_spare(); |
||
| 2147 | if (__n > __back_capacity) |
||
| 2148 | __add_back_capacity(__n - __back_capacity); |
||
| 2149 | // __n <= __back_capacity |
||
| 2150 | iterator __old_end = __base::end(); |
||
| 2151 | iterator __i = __old_end; |
||
| 2152 | _BiIter __m = __l; |
||
| 2153 | size_type __de = __base::size() - __pos; |
||
| 2154 | if (__n > __de) |
||
| 2155 | {
|
||
| 2156 | __m = __de < __n / 2 ? _VSTD::next(__f, __de) : _VSTD::prev(__l, __n - __de); |
||
| 2157 | for (_BiIter __j = __m; __j != __l; ++__i, (void) ++__j, ++__base::size()) |
||
| 2158 | __alloc_traits::construct(__a, _VSTD::addressof(*__i), *__j); |
||
| 2159 | __n = __de; |
||
| 2160 | } |
||
| 2161 | if (__n > 0) |
||
| 2162 | {
|
||
| 2163 | iterator __oen = __old_end - __n; |
||
| 2164 | for (iterator __j = __oen; __j != __old_end; ++__i, ++__j, ++__base::size()) |
||
| 2165 | __alloc_traits::construct(__a, _VSTD::addressof(*__i), _VSTD::move(*__j)); |
||
| 2166 | if (__n < __de) |
||
| 2167 | __old_end = _VSTD::move_backward(__old_end - __de, __oen, __old_end); |
||
| 2168 | _VSTD::copy_backward(__f, __m, __old_end); |
||
| 2169 | } |
||
| 2170 | } |
||
| 2171 | return __base::begin() + __pos; |
||
| 2172 | } |
||
| 2173 | |||
| 2174 | template <class _Tp, class _Allocator> |
||
| 2175 | template <class _InpIter> |
||
| 2176 | void |
||
| 2177 | deque<_Tp, _Allocator>::__append(_InpIter __f, _InpIter __l, |
||
| 2178 | typename enable_if<__is_input_iterator<_InpIter>::value && |
||
| 2179 | !__is_forward_iterator<_InpIter>::value>::type*) |
||
| 2180 | {
|
||
| 2181 | for (; __f != __l; ++__f) |
||
| 2182 | push_back(*__f); |
||
| 2183 | } |
||
| 2184 | |||
| 2185 | template <class _Tp, class _Allocator> |
||
| 2186 | template <class _ForIter> |
||
| 2187 | void |
||
| 2188 | deque<_Tp, _Allocator>::__append(_ForIter __f, _ForIter __l, |
||
| 2189 | typename enable_if<__is_forward_iterator<_ForIter>::value>::type*) |
||
| 2190 | {
|
||
| 2191 | size_type __n = _VSTD::distance(__f, __l); |
||
| 2192 | allocator_type& __a = __base::__alloc(); |
||
| 2193 | size_type __back_capacity = __back_spare(); |
||
| 2194 | if (__n > __back_capacity) |
||
| 2195 | __add_back_capacity(__n - __back_capacity); |
||
| 2196 | // __n <= __back_capacity |
||
| 2197 | for (iterator __i = __base::end(); __f != __l; ++__i, (void) ++__f, ++__base::size()) |
||
| 2198 | __alloc_traits::construct(__a, _VSTD::addressof(*__i), *__f); |
||
| 2199 | } |
||
| 2200 | |||
| 2201 | template <class _Tp, class _Allocator> |
||
| 2202 | void |
||
| 2203 | deque<_Tp, _Allocator>::__append(size_type __n) |
||
| 2204 | {
|
||
| 2205 | allocator_type& __a = __base::__alloc(); |
||
| 2206 | size_type __back_capacity = __back_spare(); |
||
| 2207 | if (__n > __back_capacity) |
||
| 2208 | __add_back_capacity(__n - __back_capacity); |
||
| 2209 | // __n <= __back_capacity |
||
| 2210 | for (iterator __i = __base::end(); __n; --__n, ++__i, ++__base::size()) |
||
| 2211 | __alloc_traits::construct(__a, _VSTD::addressof(*__i)); |
||
| 2212 | } |
||
| 2213 | |||
| 2214 | template <class _Tp, class _Allocator> |
||
| 2215 | void |
||
| 2216 | deque<_Tp, _Allocator>::__append(size_type __n, const value_type& __v) |
||
| 2217 | {
|
||
| 2218 | allocator_type& __a = __base::__alloc(); |
||
| 2219 | size_type __back_capacity = __back_spare(); |
||
| 2220 | if (__n > __back_capacity) |
||
| 2221 | __add_back_capacity(__n - __back_capacity); |
||
| 2222 | // __n <= __back_capacity |
||
| 2223 | for (iterator __i = __base::end(); __n; --__n, ++__i, ++__base::size()) |
||
| 2224 | __alloc_traits::construct(__a, _VSTD::addressof(*__i), __v); |
||
| 2225 | } |
||
| 2226 | |||
| 2227 | // Create front capacity for one block of elements. |
||
| 2228 | // Strong guarantee. Either do it or don't touch anything. |
||
| 2229 | template <class _Tp, class _Allocator> |
||
| 2230 | void |
||
| 2231 | deque<_Tp, _Allocator>::__add_front_capacity() |
||
| 2232 | {
|
||
| 2233 | allocator_type& __a = __base::__alloc(); |
||
| 2234 | if (__back_spare() >= __base::__block_size) |
||
| 2235 | {
|
||
| 2236 | __base::__start_ += __base::__block_size; |
||
| 2237 | pointer __pt = __base::__map_.back(); |
||
| 2238 | __base::__map_.pop_back(); |
||
| 2239 | __base::__map_.push_front(__pt); |
||
| 2240 | } |
||
| 2241 | // Else if __base::__map_.size() < __base::__map_.capacity() then we need to allocate 1 buffer |
||
| 2242 | else if (__base::__map_.size() < __base::__map_.capacity()) |
||
| 2243 | { // we can put the new buffer into the map, but don't shift things around
|
||
| 2244 | // until all buffers are allocated. If we throw, we don't need to fix |
||
| 2245 | // anything up (any added buffers are undetectible) |
||
| 2246 | if (__base::__map_.__front_spare() > 0) |
||
| 2247 | __base::__map_.push_front(__alloc_traits::allocate(__a, __base::__block_size)); |
||
| 2248 | else |
||
| 2249 | {
|
||
| 2250 | __base::__map_.push_back(__alloc_traits::allocate(__a, __base::__block_size)); |
||
| 2251 | // Done allocating, reorder capacity |
||
| 2252 | pointer __pt = __base::__map_.back(); |
||
| 2253 | __base::__map_.pop_back(); |
||
| 2254 | __base::__map_.push_front(__pt); |
||
| 2255 | } |
||
| 2256 | __base::__start_ = __base::__map_.size() == 1 ? |
||
| 2257 | __base::__block_size / 2 : |
||
| 2258 | __base::__start_ + __base::__block_size; |
||
| 2259 | } |
||
| 2260 | // Else need to allocate 1 buffer, *and* we need to reallocate __map_. |
||
| 2261 | else |
||
| 2262 | {
|
||
| 2263 | __split_buffer<pointer, typename __base::__pointer_allocator&> |
||
| 2264 | __buf(max<size_type>(2 * __base::__map_.capacity(), 1), |
||
| 2265 | 0, __base::__map_.__alloc()); |
||
| 2266 | |||
| 2267 | typedef __allocator_destructor<_Allocator> _Dp; |
||
| 2268 | unique_ptr<pointer, _Dp> __hold( |
||
| 2269 | __alloc_traits::allocate(__a, __base::__block_size), |
||
| 2270 | _Dp(__a, __base::__block_size)); |
||
| 2271 | __buf.push_back(__hold.get()); |
||
| 2272 | __hold.release(); |
||
| 2273 | |||
| 2274 | for (typename __base::__map_pointer __i = __base::__map_.begin(); |
||
| 2275 | __i != __base::__map_.end(); ++__i) |
||
| 2276 | __buf.push_back(*__i); |
||
| 2277 | _VSTD::swap(__base::__map_.__first_, __buf.__first_); |
||
| 2278 | _VSTD::swap(__base::__map_.__begin_, __buf.__begin_); |
||
| 2279 | _VSTD::swap(__base::__map_.__end_, __buf.__end_); |
||
| 2280 | _VSTD::swap(__base::__map_.__end_cap(), __buf.__end_cap()); |
||
| 2281 | __base::__start_ = __base::__map_.size() == 1 ? |
||
| 2282 | __base::__block_size / 2 : |
||
| 2283 | __base::__start_ + __base::__block_size; |
||
| 2284 | } |
||
| 2285 | } |
||
| 2286 | |||
| 2287 | // Create front capacity for __n elements. |
||
| 2288 | // Strong guarantee. Either do it or don't touch anything. |
||
| 2289 | template <class _Tp, class _Allocator> |
||
| 2290 | void |
||
| 2291 | deque<_Tp, _Allocator>::__add_front_capacity(size_type __n) |
||
| 2292 | {
|
||
| 2293 | allocator_type& __a = __base::__alloc(); |
||
| 2294 | size_type __nb = __recommend_blocks(__n + __base::__map_.empty()); |
||
| 2295 | // Number of unused blocks at back: |
||
| 2296 | size_type __back_capacity = __back_spare() / __base::__block_size; |
||
| 2297 | __back_capacity = _VSTD::min(__back_capacity, __nb); // don't take more than you need |
||
| 2298 | __nb -= __back_capacity; // number of blocks need to allocate |
||
| 2299 | // If __nb == 0, then we have sufficient capacity. |
||
| 2300 | if (__nb == 0) |
||
| 2301 | {
|
||
| 2302 | __base::__start_ += __base::__block_size * __back_capacity; |
||
| 2303 | for (; __back_capacity > 0; --__back_capacity) |
||
| 2304 | {
|
||
| 2305 | pointer __pt = __base::__map_.back(); |
||
| 2306 | __base::__map_.pop_back(); |
||
| 2307 | __base::__map_.push_front(__pt); |
||
| 2308 | } |
||
| 2309 | } |
||
| 2310 | // Else if __nb <= __map_.capacity() - __map_.size() then we need to allocate __nb buffers |
||
| 2311 | else if (__nb <= __base::__map_.capacity() - __base::__map_.size()) |
||
| 2312 | { // we can put the new buffers into the map, but don't shift things around
|
||
| 2313 | // until all buffers are allocated. If we throw, we don't need to fix |
||
| 2314 | // anything up (any added buffers are undetectible) |
||
| 2315 | for (; __nb > 0; --__nb, __base::__start_ += __base::__block_size - (__base::__map_.size() == 1)) |
||
| 2316 | {
|
||
| 2317 | if (__base::__map_.__front_spare() == 0) |
||
| 2318 | break; |
||
| 2319 | __base::__map_.push_front(__alloc_traits::allocate(__a, __base::__block_size)); |
||
| 2320 | } |
||
| 2321 | for (; __nb > 0; --__nb, ++__back_capacity) |
||
| 2322 | __base::__map_.push_back(__alloc_traits::allocate(__a, __base::__block_size)); |
||
| 2323 | // Done allocating, reorder capacity |
||
| 2324 | __base::__start_ += __back_capacity * __base::__block_size; |
||
| 2325 | for (; __back_capacity > 0; --__back_capacity) |
||
| 2326 | {
|
||
| 2327 | pointer __pt = __base::__map_.back(); |
||
| 2328 | __base::__map_.pop_back(); |
||
| 2329 | __base::__map_.push_front(__pt); |
||
| 2330 | } |
||
| 2331 | } |
||
| 2332 | // Else need to allocate __nb buffers, *and* we need to reallocate __map_. |
||
| 2333 | else |
||
| 2334 | {
|
||
| 2335 | size_type __ds = (__nb + __back_capacity) * __base::__block_size - __base::__map_.empty(); |
||
| 2336 | __split_buffer<pointer, typename __base::__pointer_allocator&> |
||
| 2337 | __buf(max<size_type>(2* __base::__map_.capacity(), |
||
| 2338 | __nb + __base::__map_.size()), |
||
| 2339 | 0, __base::__map_.__alloc()); |
||
| 2340 | #ifndef _LIBCPP_NO_EXCEPTIONS |
||
| 2341 | try |
||
| 2342 | {
|
||
| 2343 | #endif // _LIBCPP_NO_EXCEPTIONS |
||
| 2344 | for (; __nb > 0; --__nb) |
||
| 2345 | __buf.push_back(__alloc_traits::allocate(__a, __base::__block_size)); |
||
| 2346 | #ifndef _LIBCPP_NO_EXCEPTIONS |
||
| 2347 | } |
||
| 2348 | catch (...) |
||
| 2349 | {
|
||
| 2350 | for (typename __base::__map_pointer __i = __buf.begin(); |
||
| 2351 | __i != __buf.end(); ++__i) |
||
| 2352 | __alloc_traits::deallocate(__a, *__i, __base::__block_size); |
||
| 2353 | throw; |
||
| 2354 | } |
||
| 2355 | #endif // _LIBCPP_NO_EXCEPTIONS |
||
| 2356 | for (; __back_capacity > 0; --__back_capacity) |
||
| 2357 | {
|
||
| 2358 | __buf.push_back(__base::__map_.back()); |
||
| 2359 | __base::__map_.pop_back(); |
||
| 2360 | } |
||
| 2361 | for (typename __base::__map_pointer __i = __base::__map_.begin(); |
||
| 2362 | __i != __base::__map_.end(); ++__i) |
||
| 2363 | __buf.push_back(*__i); |
||
| 2364 | _VSTD::swap(__base::__map_.__first_, __buf.__first_); |
||
| 2365 | _VSTD::swap(__base::__map_.__begin_, __buf.__begin_); |
||
| 2366 | _VSTD::swap(__base::__map_.__end_, __buf.__end_); |
||
| 2367 | _VSTD::swap(__base::__map_.__end_cap(), __buf.__end_cap()); |
||
| 2368 | __base::__start_ += __ds; |
||
| 2369 | } |
||
| 2370 | } |
||
| 2371 | |||
| 2372 | // Create back capacity for one block of elements. |
||
| 2373 | // Strong guarantee. Either do it or don't touch anything. |
||
| 2374 | template <class _Tp, class _Allocator> |
||
| 2375 | void |
||
| 2376 | deque<_Tp, _Allocator>::__add_back_capacity() |
||
| 2377 | {
|
||
| 2378 | allocator_type& __a = __base::__alloc(); |
||
| 2379 | if (__front_spare() >= __base::__block_size) |
||
| 2380 | {
|
||
| 2381 | __base::__start_ -= __base::__block_size; |
||
| 2382 | pointer __pt = __base::__map_.front(); |
||
| 2383 | __base::__map_.pop_front(); |
||
| 2384 | __base::__map_.push_back(__pt); |
||
| 2385 | } |
||
| 2386 | // Else if __nb <= __map_.capacity() - __map_.size() then we need to allocate __nb buffers |
||
| 2387 | else if (__base::__map_.size() < __base::__map_.capacity()) |
||
| 2388 | { // we can put the new buffer into the map, but don't shift things around
|
||
| 2389 | // until it is allocated. If we throw, we don't need to fix |
||
| 2390 | // anything up (any added buffers are undetectible) |
||
| 2391 | if (__base::__map_.__back_spare() != 0) |
||
| 2392 | __base::__map_.push_back(__alloc_traits::allocate(__a, __base::__block_size)); |
||
| 2393 | else |
||
| 2394 | {
|
||
| 2395 | __base::__map_.push_front(__alloc_traits::allocate(__a, __base::__block_size)); |
||
| 2396 | // Done allocating, reorder capacity |
||
| 2397 | pointer __pt = __base::__map_.front(); |
||
| 2398 | __base::__map_.pop_front(); |
||
| 2399 | __base::__map_.push_back(__pt); |
||
| 2400 | } |
||
| 2401 | } |
||
| 2402 | // Else need to allocate 1 buffer, *and* we need to reallocate __map_. |
||
| 2403 | else |
||
| 2404 | {
|
||
| 2405 | __split_buffer<pointer, typename __base::__pointer_allocator&> |
||
| 2406 | __buf(max<size_type>(2* __base::__map_.capacity(), 1), |
||
| 2407 | __base::__map_.size(), |
||
| 2408 | __base::__map_.__alloc()); |
||
| 2409 | |||
| 2410 | typedef __allocator_destructor<_Allocator> _Dp; |
||
| 2411 | unique_ptr<pointer, _Dp> __hold( |
||
| 2412 | __alloc_traits::allocate(__a, __base::__block_size), |
||
| 2413 | _Dp(__a, __base::__block_size)); |
||
| 2414 | __buf.push_back(__hold.get()); |
||
| 2415 | __hold.release(); |
||
| 2416 | |||
| 2417 | for (typename __base::__map_pointer __i = __base::__map_.end(); |
||
| 2418 | __i != __base::__map_.begin();) |
||
| 2419 | __buf.push_front(*--__i); |
||
| 2420 | _VSTD::swap(__base::__map_.__first_, __buf.__first_); |
||
| 2421 | _VSTD::swap(__base::__map_.__begin_, __buf.__begin_); |
||
| 2422 | _VSTD::swap(__base::__map_.__end_, __buf.__end_); |
||
| 2423 | _VSTD::swap(__base::__map_.__end_cap(), __buf.__end_cap()); |
||
| 2424 | } |
||
| 2425 | } |
||
| 2426 | |||
| 2427 | // Create back capacity for __n elements. |
||
| 2428 | // Strong guarantee. Either do it or don't touch anything. |
||
| 2429 | template <class _Tp, class _Allocator> |
||
| 2430 | void |
||
| 2431 | deque<_Tp, _Allocator>::__add_back_capacity(size_type __n) |
||
| 2432 | {
|
||
| 2433 | allocator_type& __a = __base::__alloc(); |
||
| 2434 | size_type __nb = __recommend_blocks(__n + __base::__map_.empty()); |
||
| 2435 | // Number of unused blocks at front: |
||
| 2436 | size_type __front_capacity = __front_spare() / __base::__block_size; |
||
| 2437 | __front_capacity = _VSTD::min(__front_capacity, __nb); // don't take more than you need |
||
| 2438 | __nb -= __front_capacity; // number of blocks need to allocate |
||
| 2439 | // If __nb == 0, then we have sufficient capacity. |
||
| 2440 | if (__nb == 0) |
||
| 2441 | {
|
||
| 2442 | __base::__start_ -= __base::__block_size * __front_capacity; |
||
| 2443 | for (; __front_capacity > 0; --__front_capacity) |
||
| 2444 | {
|
||
| 2445 | pointer __pt = __base::__map_.front(); |
||
| 2446 | __base::__map_.pop_front(); |
||
| 2447 | __base::__map_.push_back(__pt); |
||
| 2448 | } |
||
| 2449 | } |
||
| 2450 | // Else if __nb <= __map_.capacity() - __map_.size() then we need to allocate __nb buffers |
||
| 2451 | else if (__nb <= __base::__map_.capacity() - __base::__map_.size()) |
||
| 2452 | { // we can put the new buffers into the map, but don't shift things around
|
||
| 2453 | // until all buffers are allocated. If we throw, we don't need to fix |
||
| 2454 | // anything up (any added buffers are undetectible) |
||
| 2455 | for (; __nb > 0; --__nb) |
||
| 2456 | {
|
||
| 2457 | if (__base::__map_.__back_spare() == 0) |
||
| 2458 | break; |
||
| 2459 | __base::__map_.push_back(__alloc_traits::allocate(__a, __base::__block_size)); |
||
| 2460 | } |
||
| 2461 | for (; __nb > 0; --__nb, ++__front_capacity, __base::__start_ += |
||
| 2462 | __base::__block_size - (__base::__map_.size() == 1)) |
||
| 2463 | __base::__map_.push_front(__alloc_traits::allocate(__a, __base::__block_size)); |
||
| 2464 | // Done allocating, reorder capacity |
||
| 2465 | __base::__start_ -= __base::__block_size * __front_capacity; |
||
| 2466 | for (; __front_capacity > 0; --__front_capacity) |
||
| 2467 | {
|
||
| 2468 | pointer __pt = __base::__map_.front(); |
||
| 2469 | __base::__map_.pop_front(); |
||
| 2470 | __base::__map_.push_back(__pt); |
||
| 2471 | } |
||
| 2472 | } |
||
| 2473 | // Else need to allocate __nb buffers, *and* we need to reallocate __map_. |
||
| 2474 | else |
||
| 2475 | {
|
||
| 2476 | size_type __ds = __front_capacity * __base::__block_size; |
||
| 2477 | __split_buffer<pointer, typename __base::__pointer_allocator&> |
||
| 2478 | __buf(max<size_type>(2* __base::__map_.capacity(), |
||
| 2479 | __nb + __base::__map_.size()), |
||
| 2480 | __base::__map_.size() - __front_capacity, |
||
| 2481 | __base::__map_.__alloc()); |
||
| 2482 | #ifndef _LIBCPP_NO_EXCEPTIONS |
||
| 2483 | try |
||
| 2484 | {
|
||
| 2485 | #endif // _LIBCPP_NO_EXCEPTIONS |
||
| 2486 | for (; __nb > 0; --__nb) |
||
| 2487 | __buf.push_back(__alloc_traits::allocate(__a, __base::__block_size)); |
||
| 2488 | #ifndef _LIBCPP_NO_EXCEPTIONS |
||
| 2489 | } |
||
| 2490 | catch (...) |
||
| 2491 | {
|
||
| 2492 | for (typename __base::__map_pointer __i = __buf.begin(); |
||
| 2493 | __i != __buf.end(); ++__i) |
||
| 2494 | __alloc_traits::deallocate(__a, *__i, __base::__block_size); |
||
| 2495 | throw; |
||
| 2496 | } |
||
| 2497 | #endif // _LIBCPP_NO_EXCEPTIONS |
||
| 2498 | for (; __front_capacity > 0; --__front_capacity) |
||
| 2499 | {
|
||
| 2500 | __buf.push_back(__base::__map_.front()); |
||
| 2501 | __base::__map_.pop_front(); |
||
| 2502 | } |
||
| 2503 | for (typename __base::__map_pointer __i = __base::__map_.end(); |
||
| 2504 | __i != __base::__map_.begin();) |
||
| 2505 | __buf.push_front(*--__i); |
||
| 2506 | _VSTD::swap(__base::__map_.__first_, __buf.__first_); |
||
| 2507 | _VSTD::swap(__base::__map_.__begin_, __buf.__begin_); |
||
| 2508 | _VSTD::swap(__base::__map_.__end_, __buf.__end_); |
||
| 2509 | _VSTD::swap(__base::__map_.__end_cap(), __buf.__end_cap()); |
||
| 2510 | __base::__start_ -= __ds; |
||
| 2511 | } |
||
| 2512 | } |
||
| 2513 | |||
| 2514 | template <class _Tp, class _Allocator> |
||
| 2515 | void |
||
| 2516 | deque<_Tp, _Allocator>::pop_front() |
||
| 2517 | {
|
||
| 2518 | allocator_type& __a = __base::__alloc(); |
||
| 2519 | __alloc_traits::destroy(__a, __to_raw_pointer(*(__base::__map_.begin() + |
||
| 2520 | __base::__start_ / __base::__block_size) + |
||
| 2521 | __base::__start_ % __base::__block_size)); |
||
| 2522 | --__base::size(); |
||
| 2523 | if (++__base::__start_ >= 2 * __base::__block_size) |
||
| 2524 | {
|
||
| 2525 | __alloc_traits::deallocate(__a, __base::__map_.front(), __base::__block_size); |
||
| 2526 | __base::__map_.pop_front(); |
||
| 2527 | __base::__start_ -= __base::__block_size; |
||
| 2528 | } |
||
| 2529 | } |
||
| 2530 | |||
| 2531 | template <class _Tp, class _Allocator> |
||
| 2532 | void |
||
| 2533 | deque<_Tp, _Allocator>::pop_back() |
||
| 2534 | {
|
||
| 2535 | allocator_type& __a = __base::__alloc(); |
||
| 2536 | size_type __p = __base::size() + __base::__start_ - 1; |
||
| 2537 | __alloc_traits::destroy(__a, __to_raw_pointer(*(__base::__map_.begin() + |
||
| 2538 | __p / __base::__block_size) + |
||
| 2539 | __p % __base::__block_size)); |
||
| 2540 | --__base::size(); |
||
| 2541 | if (__back_spare() >= 2 * __base::__block_size) |
||
| 2542 | {
|
||
| 2543 | __alloc_traits::deallocate(__a, __base::__map_.back(), __base::__block_size); |
||
| 2544 | __base::__map_.pop_back(); |
||
| 2545 | } |
||
| 2546 | } |
||
| 2547 | |||
| 2548 | // move assign [__f, __l) to [__r, __r + (__l-__f)). |
||
| 2549 | // If __vt points into [__f, __l), then subtract (__f - __r) from __vt. |
||
| 2550 | template <class _Tp, class _Allocator> |
||
| 2551 | typename deque<_Tp, _Allocator>::iterator |
||
| 2552 | deque<_Tp, _Allocator>::__move_and_check(iterator __f, iterator __l, iterator __r, |
||
| 2553 | const_pointer& __vt) |
||
| 2554 | {
|
||
| 2555 | // as if |
||
| 2556 | // for (; __f != __l; ++__f, ++__r) |
||
| 2557 | // *__r = _VSTD::move(*__f); |
||
| 2558 | difference_type __n = __l - __f; |
||
| 2559 | while (__n > 0) |
||
| 2560 | {
|
||
| 2561 | pointer __fb = __f.__ptr_; |
||
| 2562 | pointer __fe = *__f.__m_iter_ + __base::__block_size; |
||
| 2563 | difference_type __bs = __fe - __fb; |
||
| 2564 | if (__bs > __n) |
||
| 2565 | {
|
||
| 2566 | __bs = __n; |
||
| 2567 | __fe = __fb + __bs; |
||
| 2568 | } |
||
| 2569 | if (__fb <= __vt && __vt < __fe) |
||
| 2570 | __vt = (const_iterator(static_cast<__map_const_pointer>(__f.__m_iter_), __vt) -= __f - __r).__ptr_; |
||
| 2571 | __r = _VSTD::move(__fb, __fe, __r); |
||
| 2572 | __n -= __bs; |
||
| 2573 | __f += __bs; |
||
| 2574 | } |
||
| 2575 | return __r; |
||
| 2576 | } |
||
| 2577 | |||
| 2578 | // move assign [__f, __l) to [__r - (__l-__f), __r) backwards. |
||
| 2579 | // If __vt points into [__f, __l), then add (__r - __l) to __vt. |
||
| 2580 | template <class _Tp, class _Allocator> |
||
| 2581 | typename deque<_Tp, _Allocator>::iterator |
||
| 2582 | deque<_Tp, _Allocator>::__move_backward_and_check(iterator __f, iterator __l, iterator __r, |
||
| 2583 | const_pointer& __vt) |
||
| 2584 | {
|
||
| 2585 | // as if |
||
| 2586 | // while (__f != __l) |
||
| 2587 | // *--__r = _VSTD::move(*--__l); |
||
| 2588 | difference_type __n = __l - __f; |
||
| 2589 | while (__n > 0) |
||
| 2590 | {
|
||
| 2591 | --__l; |
||
| 2592 | pointer __lb = *__l.__m_iter_; |
||
| 2593 | pointer __le = __l.__ptr_ + 1; |
||
| 2594 | difference_type __bs = __le - __lb; |
||
| 2595 | if (__bs > __n) |
||
| 2596 | {
|
||
| 2597 | __bs = __n; |
||
| 2598 | __lb = __le - __bs; |
||
| 2599 | } |
||
| 2600 | if (__lb <= __vt && __vt < __le) |
||
| 2601 | __vt = (const_iterator(static_cast<__map_const_pointer>(__l.__m_iter_), __vt) += __r - __l - 1).__ptr_; |
||
| 2602 | __r = _VSTD::move_backward(__lb, __le, __r); |
||
| 2603 | __n -= __bs; |
||
| 2604 | __l -= __bs - 1; |
||
| 2605 | } |
||
| 2606 | return __r; |
||
| 2607 | } |
||
| 2608 | |||
| 2609 | // move construct [__f, __l) to [__r, __r + (__l-__f)). |
||
| 2610 | // If __vt points into [__f, __l), then add (__r - __f) to __vt. |
||
| 2611 | template <class _Tp, class _Allocator> |
||
| 2612 | void |
||
| 2613 | deque<_Tp, _Allocator>::__move_construct_and_check(iterator __f, iterator __l, |
||
| 2614 | iterator __r, const_pointer& __vt) |
||
| 2615 | {
|
||
| 2616 | allocator_type& __a = __base::__alloc(); |
||
| 2617 | // as if |
||
| 2618 | // for (; __f != __l; ++__r, ++__f, ++__base::size()) |
||
| 2619 | // __alloc_traits::construct(__a, _VSTD::addressof(*__r), _VSTD::move(*__f)); |
||
| 2620 | difference_type __n = __l - __f; |
||
| 2621 | while (__n > 0) |
||
| 2622 | {
|
||
| 2623 | pointer __fb = __f.__ptr_; |
||
| 2624 | pointer __fe = *__f.__m_iter_ + __base::__block_size; |
||
| 2625 | difference_type __bs = __fe - __fb; |
||
| 2626 | if (__bs > __n) |
||
| 2627 | {
|
||
| 2628 | __bs = __n; |
||
| 2629 | __fe = __fb + __bs; |
||
| 2630 | } |
||
| 2631 | if (__fb <= __vt && __vt < __fe) |
||
| 2632 | __vt = (const_iterator(static_cast<__map_const_pointer>(__f.__m_iter_), __vt) += __r - __f).__ptr_; |
||
| 2633 | for (; __fb != __fe; ++__fb, ++__r, ++__base::size()) |
||
| 2634 | __alloc_traits::construct(__a, _VSTD::addressof(*__r), _VSTD::move(*__fb)); |
||
| 2635 | __n -= __bs; |
||
| 2636 | __f += __bs; |
||
| 2637 | } |
||
| 2638 | } |
||
| 2639 | |||
| 2640 | // move construct [__f, __l) to [__r - (__l-__f), __r) backwards. |
||
| 2641 | // If __vt points into [__f, __l), then subtract (__l - __r) from __vt. |
||
| 2642 | template <class _Tp, class _Allocator> |
||
| 2643 | void |
||
| 2644 | deque<_Tp, _Allocator>::__move_construct_backward_and_check(iterator __f, iterator __l, |
||
| 2645 | iterator __r, const_pointer& __vt) |
||
| 2646 | {
|
||
| 2647 | allocator_type& __a = __base::__alloc(); |
||
| 2648 | // as if |
||
| 2649 | // for (iterator __j = __l; __j != __f;) |
||
| 2650 | // {
|
||
| 2651 | // __alloc_traitsconstruct(__a, _VSTD::addressof(*--__r), _VSTD::move(*--__j)); |
||
| 2652 | // --__base::__start_; |
||
| 2653 | // ++__base::size(); |
||
| 2654 | // } |
||
| 2655 | difference_type __n = __l - __f; |
||
| 2656 | while (__n > 0) |
||
| 2657 | {
|
||
| 2658 | --__l; |
||
| 2659 | pointer __lb = *__l.__m_iter_; |
||
| 2660 | pointer __le = __l.__ptr_ + 1; |
||
| 2661 | difference_type __bs = __le - __lb; |
||
| 2662 | if (__bs > __n) |
||
| 2663 | {
|
||
| 2664 | __bs = __n; |
||
| 2665 | __lb = __le - __bs; |
||
| 2666 | } |
||
| 2667 | if (__lb <= __vt && __vt < __le) |
||
| 2668 | __vt = (const_iterator(static_cast<__map_const_pointer>(__l.__m_iter_), __vt) -= __l - __r + 1).__ptr_; |
||
| 2669 | while (__le != __lb) |
||
| 2670 | {
|
||
| 2671 | __alloc_traits::construct(__a, _VSTD::addressof(*--__r), _VSTD::move(*--__le)); |
||
| 2672 | --__base::__start_; |
||
| 2673 | ++__base::size(); |
||
| 2674 | } |
||
| 2675 | __n -= __bs; |
||
| 2676 | __l -= __bs - 1; |
||
| 2677 | } |
||
| 2678 | } |
||
| 2679 | |||
| 2680 | template <class _Tp, class _Allocator> |
||
| 2681 | typename deque<_Tp, _Allocator>::iterator |
||
| 2682 | deque<_Tp, _Allocator>::erase(const_iterator __f) |
||
| 2683 | {
|
||
| 2684 | iterator __b = __base::begin(); |
||
| 2685 | difference_type __pos = __f - __b; |
||
| 2686 | iterator __p = __b + __pos; |
||
| 2687 | allocator_type& __a = __base::__alloc(); |
||
| 2688 | if (__pos <= (__base::size() - 1) / 2) |
||
| 2689 | { // erase from front
|
||
| 2690 | _VSTD::move_backward(__b, __p, _VSTD::next(__p)); |
||
| 2691 | __alloc_traits::destroy(__a, _VSTD::addressof(*__b)); |
||
| 2692 | --__base::size(); |
||
| 2693 | ++__base::__start_; |
||
| 2694 | if (__front_spare() >= 2 * __base::__block_size) |
||
| 2695 | {
|
||
| 2696 | __alloc_traits::deallocate(__a, __base::__map_.front(), __base::__block_size); |
||
| 2697 | __base::__map_.pop_front(); |
||
| 2698 | __base::__start_ -= __base::__block_size; |
||
| 2699 | } |
||
| 2700 | } |
||
| 2701 | else |
||
| 2702 | { // erase from back
|
||
| 2703 | iterator __i = _VSTD::move(_VSTD::next(__p), __base::end(), __p); |
||
| 2704 | __alloc_traits::destroy(__a, _VSTD::addressof(*__i)); |
||
| 2705 | --__base::size(); |
||
| 2706 | if (__back_spare() >= 2 * __base::__block_size) |
||
| 2707 | {
|
||
| 2708 | __alloc_traits::deallocate(__a, __base::__map_.back(), __base::__block_size); |
||
| 2709 | __base::__map_.pop_back(); |
||
| 2710 | } |
||
| 2711 | } |
||
| 2712 | return __base::begin() + __pos; |
||
| 2713 | } |
||
| 2714 | |||
| 2715 | template <class _Tp, class _Allocator> |
||
| 2716 | typename deque<_Tp, _Allocator>::iterator |
||
| 2717 | deque<_Tp, _Allocator>::erase(const_iterator __f, const_iterator __l) |
||
| 2718 | {
|
||
| 2719 | difference_type __n = __l - __f; |
||
| 2720 | iterator __b = __base::begin(); |
||
| 2721 | difference_type __pos = __f - __b; |
||
| 2722 | iterator __p = __b + __pos; |
||
| 2723 | if (__n > 0) |
||
| 2724 | {
|
||
| 2725 | allocator_type& __a = __base::__alloc(); |
||
| 2726 | if (__pos <= (__base::size() - __n) / 2) |
||
| 2727 | { // erase from front
|
||
| 2728 | iterator __i = _VSTD::move_backward(__b, __p, __p + __n); |
||
| 2729 | for (; __b != __i; ++__b) |
||
| 2730 | __alloc_traits::destroy(__a, _VSTD::addressof(*__b)); |
||
| 2731 | __base::size() -= __n; |
||
| 2732 | __base::__start_ += __n; |
||
| 2733 | while (__front_spare() >= 2 * __base::__block_size) |
||
| 2734 | {
|
||
| 2735 | __alloc_traits::deallocate(__a, __base::__map_.front(), __base::__block_size); |
||
| 2736 | __base::__map_.pop_front(); |
||
| 2737 | __base::__start_ -= __base::__block_size; |
||
| 2738 | } |
||
| 2739 | } |
||
| 2740 | else |
||
| 2741 | { // erase from back
|
||
| 2742 | iterator __i = _VSTD::move(__p + __n, __base::end(), __p); |
||
| 2743 | for (iterator __e = __base::end(); __i != __e; ++__i) |
||
| 2744 | __alloc_traits::destroy(__a, _VSTD::addressof(*__i)); |
||
| 2745 | __base::size() -= __n; |
||
| 2746 | while (__back_spare() >= 2 * __base::__block_size) |
||
| 2747 | {
|
||
| 2748 | __alloc_traits::deallocate(__a, __base::__map_.back(), __base::__block_size); |
||
| 2749 | __base::__map_.pop_back(); |
||
| 2750 | } |
||
| 2751 | } |
||
| 2752 | } |
||
| 2753 | return __base::begin() + __pos; |
||
| 2754 | } |
||
| 2755 | |||
| 2756 | template <class _Tp, class _Allocator> |
||
| 2757 | void |
||
| 2758 | deque<_Tp, _Allocator>::__erase_to_end(const_iterator __f) |
||
| 2759 | {
|
||
| 2760 | iterator __e = __base::end(); |
||
| 2761 | difference_type __n = __e - __f; |
||
| 2762 | if (__n > 0) |
||
| 2763 | {
|
||
| 2764 | allocator_type& __a = __base::__alloc(); |
||
| 2765 | iterator __b = __base::begin(); |
||
| 2766 | difference_type __pos = __f - __b; |
||
| 2767 | for (iterator __p = __b + __pos; __p != __e; ++__p) |
||
| 2768 | __alloc_traits::destroy(__a, _VSTD::addressof(*__p)); |
||
| 2769 | __base::size() -= __n; |
||
| 2770 | while (__back_spare() >= 2 * __base::__block_size) |
||
| 2771 | {
|
||
| 2772 | __alloc_traits::deallocate(__a, __base::__map_.back(), __base::__block_size); |
||
| 2773 | __base::__map_.pop_back(); |
||
| 2774 | } |
||
| 2775 | } |
||
| 2776 | } |
||
| 2777 | |||
| 2778 | template <class _Tp, class _Allocator> |
||
| 2779 | inline _LIBCPP_INLINE_VISIBILITY |
||
| 2780 | void |
||
| 2781 | deque<_Tp, _Allocator>::swap(deque& __c) |
||
| 2782 | #if _LIBCPP_STD_VER >= 14 |
||
| 2783 | _NOEXCEPT |
||
| 2784 | #else |
||
| 2785 | _NOEXCEPT_(!__alloc_traits::propagate_on_container_swap::value || |
||
| 2786 | __is_nothrow_swappable<allocator_type>::value) |
||
| 2787 | #endif |
||
| 2788 | {
|
||
| 2789 | __base::swap(__c); |
||
| 2790 | } |
||
| 2791 | |||
| 2792 | template <class _Tp, class _Allocator> |
||
| 2793 | inline _LIBCPP_INLINE_VISIBILITY |
||
| 2794 | void |
||
| 2795 | deque<_Tp, _Allocator>::clear() _NOEXCEPT |
||
| 2796 | {
|
||
| 2797 | __base::clear(); |
||
| 2798 | } |
||
| 2799 | |||
| 2800 | template <class _Tp, class _Allocator> |
||
| 2801 | inline _LIBCPP_INLINE_VISIBILITY |
||
| 2802 | bool |
||
| 2803 | operator==(const deque<_Tp, _Allocator>& __x, const deque<_Tp, _Allocator>& __y) |
||
| 2804 | {
|
||
| 2805 | const typename deque<_Tp, _Allocator>::size_type __sz = __x.size(); |
||
| 2806 | return __sz == __y.size() && _VSTD::equal(__x.begin(), __x.end(), __y.begin()); |
||
| 2807 | } |
||
| 2808 | |||
| 2809 | template <class _Tp, class _Allocator> |
||
| 2810 | inline _LIBCPP_INLINE_VISIBILITY |
||
| 2811 | bool |
||
| 2812 | operator!=(const deque<_Tp, _Allocator>& __x, const deque<_Tp, _Allocator>& __y) |
||
| 2813 | {
|
||
| 2814 | return !(__x == __y); |
||
| 2815 | } |
||
| 2816 | |||
| 2817 | template <class _Tp, class _Allocator> |
||
| 2818 | inline _LIBCPP_INLINE_VISIBILITY |
||
| 2819 | bool |
||
| 2820 | operator< (const deque<_Tp, _Allocator>& __x, const deque<_Tp, _Allocator>& __y) |
||
| 2821 | {
|
||
| 2822 | return _VSTD::lexicographical_compare(__x.begin(), __x.end(), __y.begin(), __y.end()); |
||
| 2823 | } |
||
| 2824 | |||
| 2825 | template <class _Tp, class _Allocator> |
||
| 2826 | inline _LIBCPP_INLINE_VISIBILITY |
||
| 2827 | bool |
||
| 2828 | operator> (const deque<_Tp, _Allocator>& __x, const deque<_Tp, _Allocator>& __y) |
||
| 2829 | {
|
||
| 2830 | return __y < __x; |
||
| 2831 | } |
||
| 2832 | |||
| 2833 | template <class _Tp, class _Allocator> |
||
| 2834 | inline _LIBCPP_INLINE_VISIBILITY |
||
| 2835 | bool |
||
| 2836 | operator>=(const deque<_Tp, _Allocator>& __x, const deque<_Tp, _Allocator>& __y) |
||
| 2837 | {
|
||
| 2838 | return !(__x < __y); |
||
| 2839 | } |
||
| 2840 | |||
| 2841 | template <class _Tp, class _Allocator> |
||
| 2842 | inline _LIBCPP_INLINE_VISIBILITY |
||
| 2843 | bool |
||
| 2844 | operator<=(const deque<_Tp, _Allocator>& __x, const deque<_Tp, _Allocator>& __y) |
||
| 2845 | {
|
||
| 2846 | return !(__y < __x); |
||
| 2847 | } |
||
| 2848 | |||
| 2849 | template <class _Tp, class _Allocator> |
||
| 2850 | inline _LIBCPP_INLINE_VISIBILITY |
||
| 2851 | void |
||
| 2852 | swap(deque<_Tp, _Allocator>& __x, deque<_Tp, _Allocator>& __y) |
||
| 2853 | _NOEXCEPT_(_NOEXCEPT_(__x.swap(__y))) |
||
| 2854 | {
|
||
| 2855 | __x.swap(__y); |
||
| 2856 | } |
||
| 2857 | |||
| 2858 | _LIBCPP_END_NAMESPACE_STD |
||
| 2859 | |||
| 2860 | #endif // _LIBCPP_DEQUE |