2874 lines
100 KiB
C++
2874 lines
100 KiB
C++
// -*- C++ -*-
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//===---------------------------- deque -----------------------------------===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is dual licensed under the MIT and the University of Illinois Open
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// Source Licenses. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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#ifndef _LIBCPP_DEQUE
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#define _LIBCPP_DEQUE
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/*
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deque synopsis
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namespace std
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{
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template <class T, class Allocator = allocator<T> >
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class deque
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{
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public:
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// types:
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typedef T value_type;
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typedef Allocator allocator_type;
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typedef typename allocator_type::reference reference;
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typedef typename allocator_type::const_reference const_reference;
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typedef implementation-defined iterator;
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typedef implementation-defined const_iterator;
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typedef typename allocator_type::size_type size_type;
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typedef typename allocator_type::difference_type difference_type;
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typedef typename allocator_type::pointer pointer;
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typedef typename allocator_type::const_pointer const_pointer;
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typedef std::reverse_iterator<iterator> reverse_iterator;
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typedef std::reverse_iterator<const_iterator> const_reverse_iterator;
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// construct/copy/destroy:
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deque() noexcept(is_nothrow_default_constructible<allocator_type>::value);
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explicit deque(const allocator_type& a);
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explicit deque(size_type n);
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explicit deque(size_type n, const allocator_type& a); // C++14
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deque(size_type n, const value_type& v);
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deque(size_type n, const value_type& v, const allocator_type& a);
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template <class InputIterator>
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deque(InputIterator f, InputIterator l);
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template <class InputIterator>
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deque(InputIterator f, InputIterator l, const allocator_type& a);
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deque(const deque& c);
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deque(deque&& c)
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noexcept(is_nothrow_move_constructible<allocator_type>::value);
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deque(initializer_list<value_type> il, const Allocator& a = allocator_type());
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deque(const deque& c, const allocator_type& a);
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deque(deque&& c, const allocator_type& a);
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~deque();
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deque& operator=(const deque& c);
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deque& operator=(deque&& c)
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noexcept(
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allocator_type::propagate_on_container_move_assignment::value &&
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is_nothrow_move_assignable<allocator_type>::value);
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deque& operator=(initializer_list<value_type> il);
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template <class InputIterator>
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void assign(InputIterator f, InputIterator l);
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void assign(size_type n, const value_type& v);
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void assign(initializer_list<value_type> il);
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allocator_type get_allocator() const noexcept;
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// iterators:
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iterator begin() noexcept;
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const_iterator begin() const noexcept;
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iterator end() noexcept;
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const_iterator end() const noexcept;
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reverse_iterator rbegin() noexcept;
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const_reverse_iterator rbegin() const noexcept;
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reverse_iterator rend() noexcept;
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const_reverse_iterator rend() const noexcept;
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const_iterator cbegin() const noexcept;
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const_iterator cend() const noexcept;
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const_reverse_iterator crbegin() const noexcept;
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const_reverse_iterator crend() const noexcept;
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// capacity:
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size_type size() const noexcept;
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size_type max_size() const noexcept;
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void resize(size_type n);
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void resize(size_type n, const value_type& v);
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void shrink_to_fit();
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bool empty() const noexcept;
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// element access:
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reference operator[](size_type i);
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const_reference operator[](size_type i) const;
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reference at(size_type i);
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const_reference at(size_type i) const;
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reference front();
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const_reference front() const;
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reference back();
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const_reference back() const;
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// modifiers:
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void push_front(const value_type& v);
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void push_front(value_type&& v);
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void push_back(const value_type& v);
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void push_back(value_type&& v);
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template <class... Args> void emplace_front(Args&&... args);
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template <class... Args> void emplace_back(Args&&... args);
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template <class... Args> iterator emplace(const_iterator p, Args&&... args);
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iterator insert(const_iterator p, const value_type& v);
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iterator insert(const_iterator p, value_type&& v);
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iterator insert(const_iterator p, size_type n, const value_type& v);
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template <class InputIterator>
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iterator insert (const_iterator p, InputIterator f, InputIterator l);
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iterator insert(const_iterator p, initializer_list<value_type> il);
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void pop_front();
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void pop_back();
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iterator erase(const_iterator p);
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iterator erase(const_iterator f, const_iterator l);
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void swap(deque& c)
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noexcept(!allocator_type::propagate_on_container_swap::value ||
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__is_nothrow_swappable<allocator_type>::value);
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void clear() noexcept;
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};
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template <class T, class Allocator>
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bool operator==(const deque<T,Allocator>& x, const deque<T,Allocator>& y);
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template <class T, class Allocator>
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bool operator< (const deque<T,Allocator>& x, const deque<T,Allocator>& y);
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template <class T, class Allocator>
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bool operator!=(const deque<T,Allocator>& x, const deque<T,Allocator>& y);
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template <class T, class Allocator>
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bool operator> (const deque<T,Allocator>& x, const deque<T,Allocator>& y);
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template <class T, class Allocator>
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bool operator>=(const deque<T,Allocator>& x, const deque<T,Allocator>& y);
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template <class T, class Allocator>
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bool operator<=(const deque<T,Allocator>& x, const deque<T,Allocator>& y);
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// specialized algorithms:
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template <class T, class Allocator>
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void swap(deque<T,Allocator>& x, deque<T,Allocator>& y)
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noexcept(noexcept(x.swap(y)));
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} // std
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*/
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#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
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#pragma GCC system_header
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#endif
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#include <__config>
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#include <__split_buffer>
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#include <type_traits>
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#include <initializer_list>
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#include <iterator>
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#include <algorithm>
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#include <stdexcept>
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#include <__undef_min_max>
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_LIBCPP_BEGIN_NAMESPACE_STD
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template <class _Tp, class _Allocator> class __deque_base;
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template <class _ValueType, class _Pointer, class _Reference, class _MapPointer,
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class _DiffType, _DiffType _BlockSize>
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class _LIBCPP_TYPE_VIS_ONLY __deque_iterator;
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template <class _RAIter,
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class _V2, class _P2, class _R2, class _M2, class _D2, _D2 _B2>
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__deque_iterator<_V2, _P2, _R2, _M2, _D2, _B2>
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copy(_RAIter __f,
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_RAIter __l,
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__deque_iterator<_V2, _P2, _R2, _M2, _D2, _B2> __r,
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typename enable_if<__is_random_access_iterator<_RAIter>::value>::type* = 0);
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template <class _V1, class _P1, class _R1, class _M1, class _D1, _D1 _B1,
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class _OutputIterator>
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_OutputIterator
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copy(__deque_iterator<_V1, _P1, _R1, _M1, _D1, _B1> __f,
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__deque_iterator<_V1, _P1, _R1, _M1, _D1, _B1> __l,
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_OutputIterator __r);
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template <class _V1, class _P1, class _R1, class _M1, class _D1, _D1 _B1,
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class _V2, class _P2, class _R2, class _M2, class _D2, _D2 _B2>
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__deque_iterator<_V2, _P2, _R2, _M2, _D2, _B2>
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copy(__deque_iterator<_V1, _P1, _R1, _M1, _D1, _B1> __f,
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__deque_iterator<_V1, _P1, _R1, _M1, _D1, _B1> __l,
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__deque_iterator<_V2, _P2, _R2, _M2, _D2, _B2> __r);
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template <class _RAIter,
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class _V2, class _P2, class _R2, class _M2, class _D2, _D2 _B2>
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__deque_iterator<_V2, _P2, _R2, _M2, _D2, _B2>
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copy_backward(_RAIter __f,
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_RAIter __l,
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__deque_iterator<_V2, _P2, _R2, _M2, _D2, _B2> __r,
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typename enable_if<__is_random_access_iterator<_RAIter>::value>::type* = 0);
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template <class _V1, class _P1, class _R1, class _M1, class _D1, _D1 _B1,
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class _OutputIterator>
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_OutputIterator
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copy_backward(__deque_iterator<_V1, _P1, _R1, _M1, _D1, _B1> __f,
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__deque_iterator<_V1, _P1, _R1, _M1, _D1, _B1> __l,
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_OutputIterator __r);
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template <class _V1, class _P1, class _R1, class _M1, class _D1, _D1 _B1,
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class _V2, class _P2, class _R2, class _M2, class _D2, _D2 _B2>
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__deque_iterator<_V2, _P2, _R2, _M2, _D2, _B2>
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copy_backward(__deque_iterator<_V1, _P1, _R1, _M1, _D1, _B1> __f,
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__deque_iterator<_V1, _P1, _R1, _M1, _D1, _B1> __l,
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__deque_iterator<_V2, _P2, _R2, _M2, _D2, _B2> __r);
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template <class _RAIter,
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class _V2, class _P2, class _R2, class _M2, class _D2, _D2 _B2>
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__deque_iterator<_V2, _P2, _R2, _M2, _D2, _B2>
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move(_RAIter __f,
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_RAIter __l,
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__deque_iterator<_V2, _P2, _R2, _M2, _D2, _B2> __r,
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typename enable_if<__is_random_access_iterator<_RAIter>::value>::type* = 0);
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template <class _V1, class _P1, class _R1, class _M1, class _D1, _D1 _B1,
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class _OutputIterator>
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_OutputIterator
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move(__deque_iterator<_V1, _P1, _R1, _M1, _D1, _B1> __f,
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__deque_iterator<_V1, _P1, _R1, _M1, _D1, _B1> __l,
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_OutputIterator __r);
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template <class _V1, class _P1, class _R1, class _M1, class _D1, _D1 _B1,
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class _V2, class _P2, class _R2, class _M2, class _D2, _D2 _B2>
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__deque_iterator<_V2, _P2, _R2, _M2, _D2, _B2>
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move(__deque_iterator<_V1, _P1, _R1, _M1, _D1, _B1> __f,
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__deque_iterator<_V1, _P1, _R1, _M1, _D1, _B1> __l,
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__deque_iterator<_V2, _P2, _R2, _M2, _D2, _B2> __r);
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template <class _RAIter,
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class _V2, class _P2, class _R2, class _M2, class _D2, _D2 _B2>
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__deque_iterator<_V2, _P2, _R2, _M2, _D2, _B2>
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move_backward(_RAIter __f,
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_RAIter __l,
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__deque_iterator<_V2, _P2, _R2, _M2, _D2, _B2> __r,
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typename enable_if<__is_random_access_iterator<_RAIter>::value>::type* = 0);
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template <class _V1, class _P1, class _R1, class _M1, class _D1, _D1 _B1,
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class _OutputIterator>
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_OutputIterator
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move_backward(__deque_iterator<_V1, _P1, _R1, _M1, _D1, _B1> __f,
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__deque_iterator<_V1, _P1, _R1, _M1, _D1, _B1> __l,
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_OutputIterator __r);
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template <class _V1, class _P1, class _R1, class _M1, class _D1, _D1 _B1,
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class _V2, class _P2, class _R2, class _M2, class _D2, _D2 _B2>
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__deque_iterator<_V2, _P2, _R2, _M2, _D2, _B2>
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move_backward(__deque_iterator<_V1, _P1, _R1, _M1, _D1, _B1> __f,
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__deque_iterator<_V1, _P1, _R1, _M1, _D1, _B1> __l,
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__deque_iterator<_V2, _P2, _R2, _M2, _D2, _B2> __r);
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template <class _ValueType, class _Pointer, class _Reference, class _MapPointer,
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class _DiffType, _DiffType _BlockSize>
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class _LIBCPP_TYPE_VIS_ONLY __deque_iterator
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{
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typedef _MapPointer __map_iterator;
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public:
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typedef _Pointer pointer;
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typedef _DiffType difference_type;
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private:
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__map_iterator __m_iter_;
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pointer __ptr_;
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static const difference_type __block_size = _BlockSize;
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public:
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typedef _ValueType value_type;
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typedef random_access_iterator_tag iterator_category;
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typedef _Reference reference;
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_LIBCPP_INLINE_VISIBILITY __deque_iterator() _NOEXCEPT
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#if _LIBCPP_STD_VER > 11
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: __m_iter_(nullptr), __ptr_(nullptr)
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#endif
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{}
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template <class _Pp, class _Rp, class _MP>
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_LIBCPP_INLINE_VISIBILITY
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__deque_iterator(const __deque_iterator<value_type, _Pp, _Rp, _MP, difference_type, __block_size>& __it,
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typename enable_if<is_convertible<_Pp, pointer>::value>::type* = 0) _NOEXCEPT
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: __m_iter_(__it.__m_iter_), __ptr_(__it.__ptr_) {}
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_LIBCPP_INLINE_VISIBILITY reference operator*() const {return *__ptr_;}
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_LIBCPP_INLINE_VISIBILITY pointer operator->() const {return __ptr_;}
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_LIBCPP_INLINE_VISIBILITY __deque_iterator& operator++()
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{
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if (++__ptr_ - *__m_iter_ == __block_size)
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{
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++__m_iter_;
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__ptr_ = *__m_iter_;
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}
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return *this;
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}
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_LIBCPP_INLINE_VISIBILITY __deque_iterator operator++(int)
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{
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__deque_iterator __tmp = *this;
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++(*this);
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return __tmp;
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}
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_LIBCPP_INLINE_VISIBILITY __deque_iterator& operator--()
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{
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if (__ptr_ == *__m_iter_)
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{
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--__m_iter_;
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__ptr_ = *__m_iter_ + __block_size;
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}
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--__ptr_;
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return *this;
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}
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_LIBCPP_INLINE_VISIBILITY __deque_iterator operator--(int)
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{
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__deque_iterator __tmp = *this;
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--(*this);
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return __tmp;
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}
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_LIBCPP_INLINE_VISIBILITY __deque_iterator& operator+=(difference_type __n)
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{
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if (__n != 0)
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{
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__n += __ptr_ - *__m_iter_;
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if (__n > 0)
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{
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__m_iter_ += __n / __block_size;
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__ptr_ = *__m_iter_ + __n % __block_size;
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}
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else // (__n < 0)
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{
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difference_type __z = __block_size - 1 - __n;
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__m_iter_ -= __z / __block_size;
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__ptr_ = *__m_iter_ + (__block_size - 1 - __z % __block_size);
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}
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}
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return *this;
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}
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_LIBCPP_INLINE_VISIBILITY __deque_iterator& operator-=(difference_type __n)
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{
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return *this += -__n;
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}
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_LIBCPP_INLINE_VISIBILITY __deque_iterator operator+(difference_type __n) const
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{
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__deque_iterator __t(*this);
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__t += __n;
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return __t;
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}
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_LIBCPP_INLINE_VISIBILITY __deque_iterator operator-(difference_type __n) const
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{
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__deque_iterator __t(*this);
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__t -= __n;
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return __t;
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}
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_LIBCPP_INLINE_VISIBILITY
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friend __deque_iterator operator+(difference_type __n, const __deque_iterator& __it)
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{return __it + __n;}
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_LIBCPP_INLINE_VISIBILITY
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friend difference_type operator-(const __deque_iterator& __x, const __deque_iterator& __y)
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{
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if (__x != __y)
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return (__x.__m_iter_ - __y.__m_iter_) * __block_size
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+ (__x.__ptr_ - *__x.__m_iter_)
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- (__y.__ptr_ - *__y.__m_iter_);
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return 0;
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}
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_LIBCPP_INLINE_VISIBILITY reference operator[](difference_type __n) const
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{return *(*this + __n);}
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_LIBCPP_INLINE_VISIBILITY friend
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bool operator==(const __deque_iterator& __x, const __deque_iterator& __y)
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{return __x.__ptr_ == __y.__ptr_;}
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_LIBCPP_INLINE_VISIBILITY friend
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bool operator!=(const __deque_iterator& __x, const __deque_iterator& __y)
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{return !(__x == __y);}
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_LIBCPP_INLINE_VISIBILITY friend
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bool operator<(const __deque_iterator& __x, const __deque_iterator& __y)
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{return __x.__m_iter_ < __y.__m_iter_ ||
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(__x.__m_iter_ == __y.__m_iter_ && __x.__ptr_ < __y.__ptr_);}
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_LIBCPP_INLINE_VISIBILITY friend
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bool operator>(const __deque_iterator& __x, const __deque_iterator& __y)
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{return __y < __x;}
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_LIBCPP_INLINE_VISIBILITY friend
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bool operator<=(const __deque_iterator& __x, const __deque_iterator& __y)
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{return !(__y < __x);}
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_LIBCPP_INLINE_VISIBILITY friend
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bool operator>=(const __deque_iterator& __x, const __deque_iterator& __y)
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{return !(__x < __y);}
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private:
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_LIBCPP_INLINE_VISIBILITY __deque_iterator(__map_iterator __m, pointer __p) _NOEXCEPT
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: __m_iter_(__m), __ptr_(__p) {}
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template <class _Tp, class _Ap> friend class __deque_base;
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template <class _Tp, class _Ap> friend class _LIBCPP_TYPE_VIS_ONLY deque;
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template <class _Vp, class _Pp, class _Rp, class _MP, class _Dp, _Dp>
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friend class _LIBCPP_TYPE_VIS_ONLY __deque_iterator;
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template <class _RAIter,
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class _V2, class _P2, class _R2, class _M2, class _D2, _D2 _B2>
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friend
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__deque_iterator<_V2, _P2, _R2, _M2, _D2, _B2>
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copy(_RAIter __f,
|
|
_RAIter __l,
|
|
__deque_iterator<_V2, _P2, _R2, _M2, _D2, _B2> __r,
|
|
typename enable_if<__is_random_access_iterator<_RAIter>::value>::type*);
|
|
|
|
template <class _V1, class _P1, class _R1, class _M1, class _D1, _D1 _B1,
|
|
class _OutputIterator>
|
|
friend
|
|
_OutputIterator
|
|
copy(__deque_iterator<_V1, _P1, _R1, _M1, _D1, _B1> __f,
|
|
__deque_iterator<_V1, _P1, _R1, _M1, _D1, _B1> __l,
|
|
_OutputIterator __r);
|
|
|
|
template <class _V1, class _P1, class _R1, class _M1, class _D1, _D1 _B1,
|
|
class _V2, class _P2, class _R2, class _M2, class _D2, _D2 _B2>
|
|
friend
|
|
__deque_iterator<_V2, _P2, _R2, _M2, _D2, _B2>
|
|
copy(__deque_iterator<_V1, _P1, _R1, _M1, _D1, _B1> __f,
|
|
__deque_iterator<_V1, _P1, _R1, _M1, _D1, _B1> __l,
|
|
__deque_iterator<_V2, _P2, _R2, _M2, _D2, _B2> __r);
|
|
|
|
template <class _RAIter,
|
|
class _V2, class _P2, class _R2, class _M2, class _D2, _D2 _B2>
|
|
friend
|
|
__deque_iterator<_V2, _P2, _R2, _M2, _D2, _B2>
|
|
copy_backward(_RAIter __f,
|
|
_RAIter __l,
|
|
__deque_iterator<_V2, _P2, _R2, _M2, _D2, _B2> __r,
|
|
typename enable_if<__is_random_access_iterator<_RAIter>::value>::type*);
|
|
|
|
template <class _V1, class _P1, class _R1, class _M1, class _D1, _D1 _B1,
|
|
class _OutputIterator>
|
|
friend
|
|
_OutputIterator
|
|
copy_backward(__deque_iterator<_V1, _P1, _R1, _M1, _D1, _B1> __f,
|
|
__deque_iterator<_V1, _P1, _R1, _M1, _D1, _B1> __l,
|
|
_OutputIterator __r);
|
|
|
|
template <class _V1, class _P1, class _R1, class _M1, class _D1, _D1 _B1,
|
|
class _V2, class _P2, class _R2, class _M2, class _D2, _D2 _B2>
|
|
friend
|
|
__deque_iterator<_V2, _P2, _R2, _M2, _D2, _B2>
|
|
copy_backward(__deque_iterator<_V1, _P1, _R1, _M1, _D1, _B1> __f,
|
|
__deque_iterator<_V1, _P1, _R1, _M1, _D1, _B1> __l,
|
|
__deque_iterator<_V2, _P2, _R2, _M2, _D2, _B2> __r);
|
|
|
|
template <class _RAIter,
|
|
class _V2, class _P2, class _R2, class _M2, class _D2, _D2 _B2>
|
|
friend
|
|
__deque_iterator<_V2, _P2, _R2, _M2, _D2, _B2>
|
|
move(_RAIter __f,
|
|
_RAIter __l,
|
|
__deque_iterator<_V2, _P2, _R2, _M2, _D2, _B2> __r,
|
|
typename enable_if<__is_random_access_iterator<_RAIter>::value>::type*);
|
|
|
|
template <class _V1, class _P1, class _R1, class _M1, class _D1, _D1 _B1,
|
|
class _OutputIterator>
|
|
friend
|
|
_OutputIterator
|
|
move(__deque_iterator<_V1, _P1, _R1, _M1, _D1, _B1> __f,
|
|
__deque_iterator<_V1, _P1, _R1, _M1, _D1, _B1> __l,
|
|
_OutputIterator __r);
|
|
|
|
template <class _V1, class _P1, class _R1, class _M1, class _D1, _D1 _B1,
|
|
class _V2, class _P2, class _R2, class _M2, class _D2, _D2 _B2>
|
|
friend
|
|
__deque_iterator<_V2, _P2, _R2, _M2, _D2, _B2>
|
|
move(__deque_iterator<_V1, _P1, _R1, _M1, _D1, _B1> __f,
|
|
__deque_iterator<_V1, _P1, _R1, _M1, _D1, _B1> __l,
|
|
__deque_iterator<_V2, _P2, _R2, _M2, _D2, _B2> __r);
|
|
|
|
template <class _RAIter,
|
|
class _V2, class _P2, class _R2, class _M2, class _D2, _D2 _B2>
|
|
friend
|
|
__deque_iterator<_V2, _P2, _R2, _M2, _D2, _B2>
|
|
move_backward(_RAIter __f,
|
|
_RAIter __l,
|
|
__deque_iterator<_V2, _P2, _R2, _M2, _D2, _B2> __r,
|
|
typename enable_if<__is_random_access_iterator<_RAIter>::value>::type*);
|
|
|
|
template <class _V1, class _P1, class _R1, class _M1, class _D1, _D1 _B1,
|
|
class _OutputIterator>
|
|
friend
|
|
_OutputIterator
|
|
move_backward(__deque_iterator<_V1, _P1, _R1, _M1, _D1, _B1> __f,
|
|
__deque_iterator<_V1, _P1, _R1, _M1, _D1, _B1> __l,
|
|
_OutputIterator __r);
|
|
|
|
template <class _V1, class _P1, class _R1, class _M1, class _D1, _D1 _B1,
|
|
class _V2, class _P2, class _R2, class _M2, class _D2, _D2 _B2>
|
|
friend
|
|
__deque_iterator<_V2, _P2, _R2, _M2, _D2, _B2>
|
|
move_backward(__deque_iterator<_V1, _P1, _R1, _M1, _D1, _B1> __f,
|
|
__deque_iterator<_V1, _P1, _R1, _M1, _D1, _B1> __l,
|
|
__deque_iterator<_V2, _P2, _R2, _M2, _D2, _B2> __r);
|
|
};
|
|
|
|
// copy
|
|
|
|
template <class _RAIter,
|
|
class _V2, class _P2, class _R2, class _M2, class _D2, _D2 _B2>
|
|
__deque_iterator<_V2, _P2, _R2, _M2, _D2, _B2>
|
|
copy(_RAIter __f,
|
|
_RAIter __l,
|
|
__deque_iterator<_V2, _P2, _R2, _M2, _D2, _B2> __r,
|
|
typename enable_if<__is_random_access_iterator<_RAIter>::value>::type*)
|
|
{
|
|
typedef typename __deque_iterator<_V2, _P2, _R2, _M2, _D2, _B2>::difference_type difference_type;
|
|
typedef typename __deque_iterator<_V2, _P2, _R2, _M2, _D2, _B2>::pointer pointer;
|
|
while (__f != __l)
|
|
{
|
|
pointer __rb = __r.__ptr_;
|
|
pointer __re = *__r.__m_iter_ + _B2;
|
|
difference_type __bs = __re - __rb;
|
|
difference_type __n = __l - __f;
|
|
_RAIter __m = __l;
|
|
if (__n > __bs)
|
|
{
|
|
__n = __bs;
|
|
__m = __f + __n;
|
|
}
|
|
_VSTD::copy(__f, __m, __rb);
|
|
__f = __m;
|
|
__r += __n;
|
|
}
|
|
return __r;
|
|
}
|
|
|
|
template <class _V1, class _P1, class _R1, class _M1, class _D1, _D1 _B1,
|
|
class _OutputIterator>
|
|
_OutputIterator
|
|
copy(__deque_iterator<_V1, _P1, _R1, _M1, _D1, _B1> __f,
|
|
__deque_iterator<_V1, _P1, _R1, _M1, _D1, _B1> __l,
|
|
_OutputIterator __r)
|
|
{
|
|
typedef typename __deque_iterator<_V1, _P1, _R1, _M1, _D1, _B1>::difference_type difference_type;
|
|
typedef typename __deque_iterator<_V1, _P1, _R1, _M1, _D1, _B1>::pointer pointer;
|
|
difference_type __n = __l - __f;
|
|
while (__n > 0)
|
|
{
|
|
pointer __fb = __f.__ptr_;
|
|
pointer __fe = *__f.__m_iter_ + _B1;
|
|
difference_type __bs = __fe - __fb;
|
|
if (__bs > __n)
|
|
{
|
|
__bs = __n;
|
|
__fe = __fb + __bs;
|
|
}
|
|
__r = _VSTD::copy(__fb, __fe, __r);
|
|
__n -= __bs;
|
|
__f += __bs;
|
|
}
|
|
return __r;
|
|
}
|
|
|
|
template <class _V1, class _P1, class _R1, class _M1, class _D1, _D1 _B1,
|
|
class _V2, class _P2, class _R2, class _M2, class _D2, _D2 _B2>
|
|
__deque_iterator<_V2, _P2, _R2, _M2, _D2, _B2>
|
|
copy(__deque_iterator<_V1, _P1, _R1, _M1, _D1, _B1> __f,
|
|
__deque_iterator<_V1, _P1, _R1, _M1, _D1, _B1> __l,
|
|
__deque_iterator<_V2, _P2, _R2, _M2, _D2, _B2> __r)
|
|
{
|
|
typedef typename __deque_iterator<_V1, _P1, _R1, _M1, _D1, _B1>::difference_type difference_type;
|
|
typedef typename __deque_iterator<_V1, _P1, _R1, _M1, _D1, _B1>::pointer pointer;
|
|
difference_type __n = __l - __f;
|
|
while (__n > 0)
|
|
{
|
|
pointer __fb = __f.__ptr_;
|
|
pointer __fe = *__f.__m_iter_ + _B1;
|
|
difference_type __bs = __fe - __fb;
|
|
if (__bs > __n)
|
|
{
|
|
__bs = __n;
|
|
__fe = __fb + __bs;
|
|
}
|
|
__r = _VSTD::copy(__fb, __fe, __r);
|
|
__n -= __bs;
|
|
__f += __bs;
|
|
}
|
|
return __r;
|
|
}
|
|
|
|
// copy_backward
|
|
|
|
template <class _RAIter,
|
|
class _V2, class _P2, class _R2, class _M2, class _D2, _D2 _B2>
|
|
__deque_iterator<_V2, _P2, _R2, _M2, _D2, _B2>
|
|
copy_backward(_RAIter __f,
|
|
_RAIter __l,
|
|
__deque_iterator<_V2, _P2, _R2, _M2, _D2, _B2> __r,
|
|
typename enable_if<__is_random_access_iterator<_RAIter>::value>::type*)
|
|
{
|
|
typedef typename __deque_iterator<_V2, _P2, _R2, _M2, _D2, _B2>::difference_type difference_type;
|
|
typedef typename __deque_iterator<_V2, _P2, _R2, _M2, _D2, _B2>::pointer pointer;
|
|
while (__f != __l)
|
|
{
|
|
__deque_iterator<_V2, _P2, _R2, _M2, _D2, _B2> __rp = _VSTD::prev(__r);
|
|
pointer __rb = *__rp.__m_iter_;
|
|
pointer __re = __rp.__ptr_ + 1;
|
|
difference_type __bs = __re - __rb;
|
|
difference_type __n = __l - __f;
|
|
_RAIter __m = __f;
|
|
if (__n > __bs)
|
|
{
|
|
__n = __bs;
|
|
__m = __l - __n;
|
|
}
|
|
_VSTD::copy_backward(__m, __l, __re);
|
|
__l = __m;
|
|
__r -= __n;
|
|
}
|
|
return __r;
|
|
}
|
|
|
|
template <class _V1, class _P1, class _R1, class _M1, class _D1, _D1 _B1,
|
|
class _OutputIterator>
|
|
_OutputIterator
|
|
copy_backward(__deque_iterator<_V1, _P1, _R1, _M1, _D1, _B1> __f,
|
|
__deque_iterator<_V1, _P1, _R1, _M1, _D1, _B1> __l,
|
|
_OutputIterator __r)
|
|
{
|
|
typedef typename __deque_iterator<_V1, _P1, _R1, _M1, _D1, _B1>::difference_type difference_type;
|
|
typedef typename __deque_iterator<_V1, _P1, _R1, _M1, _D1, _B1>::pointer pointer;
|
|
difference_type __n = __l - __f;
|
|
while (__n > 0)
|
|
{
|
|
--__l;
|
|
pointer __lb = *__l.__m_iter_;
|
|
pointer __le = __l.__ptr_ + 1;
|
|
difference_type __bs = __le - __lb;
|
|
if (__bs > __n)
|
|
{
|
|
__bs = __n;
|
|
__lb = __le - __bs;
|
|
}
|
|
__r = _VSTD::copy_backward(__lb, __le, __r);
|
|
__n -= __bs;
|
|
__l -= __bs - 1;
|
|
}
|
|
return __r;
|
|
}
|
|
|
|
template <class _V1, class _P1, class _R1, class _M1, class _D1, _D1 _B1,
|
|
class _V2, class _P2, class _R2, class _M2, class _D2, _D2 _B2>
|
|
__deque_iterator<_V2, _P2, _R2, _M2, _D2, _B2>
|
|
copy_backward(__deque_iterator<_V1, _P1, _R1, _M1, _D1, _B1> __f,
|
|
__deque_iterator<_V1, _P1, _R1, _M1, _D1, _B1> __l,
|
|
__deque_iterator<_V2, _P2, _R2, _M2, _D2, _B2> __r)
|
|
{
|
|
typedef typename __deque_iterator<_V1, _P1, _R1, _M1, _D1, _B1>::difference_type difference_type;
|
|
typedef typename __deque_iterator<_V1, _P1, _R1, _M1, _D1, _B1>::pointer pointer;
|
|
difference_type __n = __l - __f;
|
|
while (__n > 0)
|
|
{
|
|
--__l;
|
|
pointer __lb = *__l.__m_iter_;
|
|
pointer __le = __l.__ptr_ + 1;
|
|
difference_type __bs = __le - __lb;
|
|
if (__bs > __n)
|
|
{
|
|
__bs = __n;
|
|
__lb = __le - __bs;
|
|
}
|
|
__r = _VSTD::copy_backward(__lb, __le, __r);
|
|
__n -= __bs;
|
|
__l -= __bs - 1;
|
|
}
|
|
return __r;
|
|
}
|
|
|
|
// move
|
|
|
|
template <class _RAIter,
|
|
class _V2, class _P2, class _R2, class _M2, class _D2, _D2 _B2>
|
|
__deque_iterator<_V2, _P2, _R2, _M2, _D2, _B2>
|
|
move(_RAIter __f,
|
|
_RAIter __l,
|
|
__deque_iterator<_V2, _P2, _R2, _M2, _D2, _B2> __r,
|
|
typename enable_if<__is_random_access_iterator<_RAIter>::value>::type*)
|
|
{
|
|
typedef typename __deque_iterator<_V2, _P2, _R2, _M2, _D2, _B2>::difference_type difference_type;
|
|
typedef typename __deque_iterator<_V2, _P2, _R2, _M2, _D2, _B2>::pointer pointer;
|
|
while (__f != __l)
|
|
{
|
|
pointer __rb = __r.__ptr_;
|
|
pointer __re = *__r.__m_iter_ + _B2;
|
|
difference_type __bs = __re - __rb;
|
|
difference_type __n = __l - __f;
|
|
_RAIter __m = __l;
|
|
if (__n > __bs)
|
|
{
|
|
__n = __bs;
|
|
__m = __f + __n;
|
|
}
|
|
_VSTD::move(__f, __m, __rb);
|
|
__f = __m;
|
|
__r += __n;
|
|
}
|
|
return __r;
|
|
}
|
|
|
|
template <class _V1, class _P1, class _R1, class _M1, class _D1, _D1 _B1,
|
|
class _OutputIterator>
|
|
_OutputIterator
|
|
move(__deque_iterator<_V1, _P1, _R1, _M1, _D1, _B1> __f,
|
|
__deque_iterator<_V1, _P1, _R1, _M1, _D1, _B1> __l,
|
|
_OutputIterator __r)
|
|
{
|
|
typedef typename __deque_iterator<_V1, _P1, _R1, _M1, _D1, _B1>::difference_type difference_type;
|
|
typedef typename __deque_iterator<_V1, _P1, _R1, _M1, _D1, _B1>::pointer pointer;
|
|
difference_type __n = __l - __f;
|
|
while (__n > 0)
|
|
{
|
|
pointer __fb = __f.__ptr_;
|
|
pointer __fe = *__f.__m_iter_ + _B1;
|
|
difference_type __bs = __fe - __fb;
|
|
if (__bs > __n)
|
|
{
|
|
__bs = __n;
|
|
__fe = __fb + __bs;
|
|
}
|
|
__r = _VSTD::move(__fb, __fe, __r);
|
|
__n -= __bs;
|
|
__f += __bs;
|
|
}
|
|
return __r;
|
|
}
|
|
|
|
template <class _V1, class _P1, class _R1, class _M1, class _D1, _D1 _B1,
|
|
class _V2, class _P2, class _R2, class _M2, class _D2, _D2 _B2>
|
|
__deque_iterator<_V2, _P2, _R2, _M2, _D2, _B2>
|
|
move(__deque_iterator<_V1, _P1, _R1, _M1, _D1, _B1> __f,
|
|
__deque_iterator<_V1, _P1, _R1, _M1, _D1, _B1> __l,
|
|
__deque_iterator<_V2, _P2, _R2, _M2, _D2, _B2> __r)
|
|
{
|
|
typedef typename __deque_iterator<_V1, _P1, _R1, _M1, _D1, _B1>::difference_type difference_type;
|
|
typedef typename __deque_iterator<_V1, _P1, _R1, _M1, _D1, _B1>::pointer pointer;
|
|
difference_type __n = __l - __f;
|
|
while (__n > 0)
|
|
{
|
|
pointer __fb = __f.__ptr_;
|
|
pointer __fe = *__f.__m_iter_ + _B1;
|
|
difference_type __bs = __fe - __fb;
|
|
if (__bs > __n)
|
|
{
|
|
__bs = __n;
|
|
__fe = __fb + __bs;
|
|
}
|
|
__r = _VSTD::move(__fb, __fe, __r);
|
|
__n -= __bs;
|
|
__f += __bs;
|
|
}
|
|
return __r;
|
|
}
|
|
|
|
// move_backward
|
|
|
|
template <class _RAIter,
|
|
class _V2, class _P2, class _R2, class _M2, class _D2, _D2 _B2>
|
|
__deque_iterator<_V2, _P2, _R2, _M2, _D2, _B2>
|
|
move_backward(_RAIter __f,
|
|
_RAIter __l,
|
|
__deque_iterator<_V2, _P2, _R2, _M2, _D2, _B2> __r,
|
|
typename enable_if<__is_random_access_iterator<_RAIter>::value>::type*)
|
|
{
|
|
typedef typename __deque_iterator<_V2, _P2, _R2, _M2, _D2, _B2>::difference_type difference_type;
|
|
typedef typename __deque_iterator<_V2, _P2, _R2, _M2, _D2, _B2>::pointer pointer;
|
|
while (__f != __l)
|
|
{
|
|
__deque_iterator<_V2, _P2, _R2, _M2, _D2, _B2> __rp = _VSTD::prev(__r);
|
|
pointer __rb = *__rp.__m_iter_;
|
|
pointer __re = __rp.__ptr_ + 1;
|
|
difference_type __bs = __re - __rb;
|
|
difference_type __n = __l - __f;
|
|
_RAIter __m = __f;
|
|
if (__n > __bs)
|
|
{
|
|
__n = __bs;
|
|
__m = __l - __n;
|
|
}
|
|
_VSTD::move_backward(__m, __l, __re);
|
|
__l = __m;
|
|
__r -= __n;
|
|
}
|
|
return __r;
|
|
}
|
|
|
|
template <class _V1, class _P1, class _R1, class _M1, class _D1, _D1 _B1,
|
|
class _OutputIterator>
|
|
_OutputIterator
|
|
move_backward(__deque_iterator<_V1, _P1, _R1, _M1, _D1, _B1> __f,
|
|
__deque_iterator<_V1, _P1, _R1, _M1, _D1, _B1> __l,
|
|
_OutputIterator __r)
|
|
{
|
|
typedef typename __deque_iterator<_V1, _P1, _R1, _M1, _D1, _B1>::difference_type difference_type;
|
|
typedef typename __deque_iterator<_V1, _P1, _R1, _M1, _D1, _B1>::pointer pointer;
|
|
difference_type __n = __l - __f;
|
|
while (__n > 0)
|
|
{
|
|
--__l;
|
|
pointer __lb = *__l.__m_iter_;
|
|
pointer __le = __l.__ptr_ + 1;
|
|
difference_type __bs = __le - __lb;
|
|
if (__bs > __n)
|
|
{
|
|
__bs = __n;
|
|
__lb = __le - __bs;
|
|
}
|
|
__r = _VSTD::move_backward(__lb, __le, __r);
|
|
__n -= __bs;
|
|
__l -= __bs - 1;
|
|
}
|
|
return __r;
|
|
}
|
|
|
|
template <class _V1, class _P1, class _R1, class _M1, class _D1, _D1 _B1,
|
|
class _V2, class _P2, class _R2, class _M2, class _D2, _D2 _B2>
|
|
__deque_iterator<_V2, _P2, _R2, _M2, _D2, _B2>
|
|
move_backward(__deque_iterator<_V1, _P1, _R1, _M1, _D1, _B1> __f,
|
|
__deque_iterator<_V1, _P1, _R1, _M1, _D1, _B1> __l,
|
|
__deque_iterator<_V2, _P2, _R2, _M2, _D2, _B2> __r)
|
|
{
|
|
typedef typename __deque_iterator<_V1, _P1, _R1, _M1, _D1, _B1>::difference_type difference_type;
|
|
typedef typename __deque_iterator<_V1, _P1, _R1, _M1, _D1, _B1>::pointer pointer;
|
|
difference_type __n = __l - __f;
|
|
while (__n > 0)
|
|
{
|
|
--__l;
|
|
pointer __lb = *__l.__m_iter_;
|
|
pointer __le = __l.__ptr_ + 1;
|
|
difference_type __bs = __le - __lb;
|
|
if (__bs > __n)
|
|
{
|
|
__bs = __n;
|
|
__lb = __le - __bs;
|
|
}
|
|
__r = _VSTD::move_backward(__lb, __le, __r);
|
|
__n -= __bs;
|
|
__l -= __bs - 1;
|
|
}
|
|
return __r;
|
|
}
|
|
|
|
template <bool>
|
|
class __deque_base_common
|
|
{
|
|
protected:
|
|
void __throw_length_error() const;
|
|
void __throw_out_of_range() const;
|
|
};
|
|
|
|
template <bool __b>
|
|
void
|
|
__deque_base_common<__b>::__throw_length_error() const
|
|
{
|
|
#ifndef _LIBCPP_NO_EXCEPTIONS
|
|
throw length_error("deque");
|
|
#endif
|
|
}
|
|
|
|
template <bool __b>
|
|
void
|
|
__deque_base_common<__b>::__throw_out_of_range() const
|
|
{
|
|
#ifndef _LIBCPP_NO_EXCEPTIONS
|
|
throw out_of_range("deque");
|
|
#endif
|
|
}
|
|
|
|
template <class _Tp, class _Allocator>
|
|
class __deque_base
|
|
: protected __deque_base_common<true>
|
|
{
|
|
__deque_base(const __deque_base& __c);
|
|
__deque_base& operator=(const __deque_base& __c);
|
|
protected:
|
|
typedef _Tp value_type;
|
|
typedef _Allocator allocator_type;
|
|
typedef allocator_traits<allocator_type> __alloc_traits;
|
|
typedef value_type& reference;
|
|
typedef const value_type& const_reference;
|
|
typedef typename __alloc_traits::size_type size_type;
|
|
typedef typename __alloc_traits::difference_type difference_type;
|
|
typedef typename __alloc_traits::pointer pointer;
|
|
typedef typename __alloc_traits::const_pointer const_pointer;
|
|
|
|
static const difference_type __block_size = sizeof(value_type) < 256 ? 4096 / sizeof(value_type) : 16;
|
|
|
|
typedef typename __alloc_traits::template
|
|
#ifndef _LIBCPP_HAS_NO_TEMPLATE_ALIASES
|
|
rebind_alloc<pointer>
|
|
#else
|
|
rebind_alloc<pointer>::other
|
|
#endif
|
|
__pointer_allocator;
|
|
typedef allocator_traits<__pointer_allocator> __map_traits;
|
|
typedef typename __map_traits::pointer __map_pointer;
|
|
typedef typename __alloc_traits::template
|
|
#ifndef _LIBCPP_HAS_NO_TEMPLATE_ALIASES
|
|
rebind_alloc<const_pointer>
|
|
#else
|
|
rebind_alloc<const_pointer>::other
|
|
#endif
|
|
__const_pointer_allocator;
|
|
typedef typename allocator_traits<__const_pointer_allocator>::const_pointer __map_const_pointer;
|
|
typedef __split_buffer<pointer, __pointer_allocator> __map;
|
|
|
|
typedef __deque_iterator<value_type, pointer, reference, __map_pointer,
|
|
difference_type, __block_size> iterator;
|
|
typedef __deque_iterator<value_type, const_pointer, const_reference, __map_const_pointer,
|
|
difference_type, __block_size> const_iterator;
|
|
|
|
__map __map_;
|
|
size_type __start_;
|
|
__compressed_pair<size_type, allocator_type> __size_;
|
|
|
|
iterator begin() _NOEXCEPT;
|
|
const_iterator begin() const _NOEXCEPT;
|
|
iterator end() _NOEXCEPT;
|
|
const_iterator end() const _NOEXCEPT;
|
|
|
|
_LIBCPP_INLINE_VISIBILITY size_type& size() {return __size_.first();}
|
|
_LIBCPP_INLINE_VISIBILITY
|
|
const size_type& size() const _NOEXCEPT {return __size_.first();}
|
|
_LIBCPP_INLINE_VISIBILITY allocator_type& __alloc() {return __size_.second();}
|
|
_LIBCPP_INLINE_VISIBILITY
|
|
const allocator_type& __alloc() const _NOEXCEPT {return __size_.second();}
|
|
|
|
__deque_base()
|
|
_NOEXCEPT_(is_nothrow_default_constructible<allocator_type>::value);
|
|
explicit __deque_base(const allocator_type& __a);
|
|
public:
|
|
~__deque_base();
|
|
|
|
#ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES
|
|
|
|
__deque_base(__deque_base&& __c)
|
|
_NOEXCEPT_(is_nothrow_move_constructible<allocator_type>::value);
|
|
__deque_base(__deque_base&& __c, const allocator_type& __a);
|
|
|
|
#endif // _LIBCPP_HAS_NO_RVALUE_REFERENCES
|
|
void swap(__deque_base& __c)
|
|
_NOEXCEPT_(!__alloc_traits::propagate_on_container_swap::value ||
|
|
__is_nothrow_swappable<allocator_type>::value);
|
|
protected:
|
|
void clear() _NOEXCEPT;
|
|
|
|
bool __invariants() const;
|
|
|
|
_LIBCPP_INLINE_VISIBILITY
|
|
void __move_assign(__deque_base& __c)
|
|
_NOEXCEPT_(__alloc_traits::propagate_on_container_move_assignment::value &&
|
|
is_nothrow_move_assignable<allocator_type>::value)
|
|
{
|
|
__map_ = _VSTD::move(__c.__map_);
|
|
__start_ = __c.__start_;
|
|
size() = __c.size();
|
|
__move_assign_alloc(__c);
|
|
__c.__start_ = __c.size() = 0;
|
|
}
|
|
|
|
_LIBCPP_INLINE_VISIBILITY
|
|
void __move_assign_alloc(__deque_base& __c)
|
|
_NOEXCEPT_(!__alloc_traits::propagate_on_container_move_assignment::value ||
|
|
is_nothrow_move_assignable<allocator_type>::value)
|
|
{__move_assign_alloc(__c, integral_constant<bool,
|
|
__alloc_traits::propagate_on_container_move_assignment::value>());}
|
|
|
|
private:
|
|
_LIBCPP_INLINE_VISIBILITY
|
|
void __move_assign_alloc(__deque_base& __c, true_type)
|
|
_NOEXCEPT_(is_nothrow_move_assignable<allocator_type>::value)
|
|
{
|
|
__alloc() = _VSTD::move(__c.__alloc());
|
|
}
|
|
|
|
_LIBCPP_INLINE_VISIBILITY
|
|
void __move_assign_alloc(__deque_base&, false_type) _NOEXCEPT
|
|
{}
|
|
|
|
_LIBCPP_INLINE_VISIBILITY
|
|
static void __swap_alloc(allocator_type& __x, allocator_type& __y)
|
|
_NOEXCEPT_(!__alloc_traits::propagate_on_container_swap::value ||
|
|
__is_nothrow_swappable<allocator_type>::value)
|
|
{__swap_alloc(__x, __y, integral_constant<bool,
|
|
__alloc_traits::propagate_on_container_swap::value>());}
|
|
|
|
_LIBCPP_INLINE_VISIBILITY
|
|
static void __swap_alloc(allocator_type& __x, allocator_type& __y, true_type)
|
|
_NOEXCEPT_(__is_nothrow_swappable<allocator_type>::value)
|
|
{
|
|
using _VSTD::swap;
|
|
swap(__x, __y);
|
|
}
|
|
|
|
_LIBCPP_INLINE_VISIBILITY
|
|
static void __swap_alloc(allocator_type&, allocator_type&, false_type)
|
|
_NOEXCEPT
|
|
{}
|
|
};
|
|
|
|
template <class _Tp, class _Allocator>
|
|
bool
|
|
__deque_base<_Tp, _Allocator>::__invariants() const
|
|
{
|
|
if (!__map_.__invariants())
|
|
return false;
|
|
if (__map_.size() >= size_type(-1) / __block_size)
|
|
return false;
|
|
for (typename __map::const_iterator __i = __map_.begin(), __e = __map_.end();
|
|
__i != __e; ++__i)
|
|
if (*__i == nullptr)
|
|
return false;
|
|
if (__map_.size() != 0)
|
|
{
|
|
if (size() >= __map_.size() * __block_size)
|
|
return false;
|
|
if (__start_ >= __map_.size() * __block_size - size())
|
|
return false;
|
|
}
|
|
else
|
|
{
|
|
if (size() != 0)
|
|
return false;
|
|
if (__start_ != 0)
|
|
return false;
|
|
}
|
|
return true;
|
|
}
|
|
|
|
template <class _Tp, class _Allocator>
|
|
typename __deque_base<_Tp, _Allocator>::iterator
|
|
__deque_base<_Tp, _Allocator>::begin() _NOEXCEPT
|
|
{
|
|
__map_pointer __mp = __map_.begin() + __start_ / __block_size;
|
|
return iterator(__mp, __map_.empty() ? 0 : *__mp + __start_ % __block_size);
|
|
}
|
|
|
|
template <class _Tp, class _Allocator>
|
|
typename __deque_base<_Tp, _Allocator>::const_iterator
|
|
__deque_base<_Tp, _Allocator>::begin() const _NOEXCEPT
|
|
{
|
|
__map_const_pointer __mp = static_cast<__map_const_pointer>(__map_.begin() + __start_ / __block_size);
|
|
return const_iterator(__mp, __map_.empty() ? 0 : *__mp + __start_ % __block_size);
|
|
}
|
|
|
|
template <class _Tp, class _Allocator>
|
|
typename __deque_base<_Tp, _Allocator>::iterator
|
|
__deque_base<_Tp, _Allocator>::end() _NOEXCEPT
|
|
{
|
|
size_type __p = size() + __start_;
|
|
__map_pointer __mp = __map_.begin() + __p / __block_size;
|
|
return iterator(__mp, __map_.empty() ? 0 : *__mp + __p % __block_size);
|
|
}
|
|
|
|
template <class _Tp, class _Allocator>
|
|
typename __deque_base<_Tp, _Allocator>::const_iterator
|
|
__deque_base<_Tp, _Allocator>::end() const _NOEXCEPT
|
|
{
|
|
size_type __p = size() + __start_;
|
|
__map_const_pointer __mp = static_cast<__map_const_pointer>(__map_.begin() + __p / __block_size);
|
|
return const_iterator(__mp, __map_.empty() ? 0 : *__mp + __p % __block_size);
|
|
}
|
|
|
|
template <class _Tp, class _Allocator>
|
|
inline _LIBCPP_INLINE_VISIBILITY
|
|
__deque_base<_Tp, _Allocator>::__deque_base()
|
|
_NOEXCEPT_(is_nothrow_default_constructible<allocator_type>::value)
|
|
: __start_(0), __size_(0) {}
|
|
|
|
template <class _Tp, class _Allocator>
|
|
inline _LIBCPP_INLINE_VISIBILITY
|
|
__deque_base<_Tp, _Allocator>::__deque_base(const allocator_type& __a)
|
|
: __map_(__pointer_allocator(__a)), __start_(0), __size_(0, __a) {}
|
|
|
|
template <class _Tp, class _Allocator>
|
|
__deque_base<_Tp, _Allocator>::~__deque_base()
|
|
{
|
|
clear();
|
|
typename __map::iterator __i = __map_.begin();
|
|
typename __map::iterator __e = __map_.end();
|
|
for (; __i != __e; ++__i)
|
|
__alloc_traits::deallocate(__alloc(), *__i, __block_size);
|
|
}
|
|
|
|
#ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES
|
|
|
|
template <class _Tp, class _Allocator>
|
|
__deque_base<_Tp, _Allocator>::__deque_base(__deque_base&& __c)
|
|
_NOEXCEPT_(is_nothrow_move_constructible<allocator_type>::value)
|
|
: __map_(_VSTD::move(__c.__map_)),
|
|
__start_(_VSTD::move(__c.__start_)),
|
|
__size_(_VSTD::move(__c.__size_))
|
|
{
|
|
__c.__start_ = 0;
|
|
__c.size() = 0;
|
|
}
|
|
|
|
template <class _Tp, class _Allocator>
|
|
__deque_base<_Tp, _Allocator>::__deque_base(__deque_base&& __c, const allocator_type& __a)
|
|
: __map_(_VSTD::move(__c.__map_), __pointer_allocator(__a)),
|
|
__start_(_VSTD::move(__c.__start_)),
|
|
__size_(_VSTD::move(__c.size()), __a)
|
|
{
|
|
if (__a == __c.__alloc())
|
|
{
|
|
__c.__start_ = 0;
|
|
__c.size() = 0;
|
|
}
|
|
else
|
|
{
|
|
__map_.clear();
|
|
__start_ = 0;
|
|
size() = 0;
|
|
}
|
|
}
|
|
|
|
#endif // _LIBCPP_HAS_NO_RVALUE_REFERENCES
|
|
|
|
template <class _Tp, class _Allocator>
|
|
void
|
|
__deque_base<_Tp, _Allocator>::swap(__deque_base& __c)
|
|
_NOEXCEPT_(!__alloc_traits::propagate_on_container_swap::value||
|
|
__is_nothrow_swappable<allocator_type>::value)
|
|
{
|
|
__map_.swap(__c.__map_);
|
|
_VSTD::swap(__start_, __c.__start_);
|
|
_VSTD::swap(size(), __c.size());
|
|
__swap_alloc(__alloc(), __c.__alloc());
|
|
}
|
|
|
|
template <class _Tp, class _Allocator>
|
|
void
|
|
__deque_base<_Tp, _Allocator>::clear() _NOEXCEPT
|
|
{
|
|
allocator_type& __a = __alloc();
|
|
for (iterator __i = begin(), __e = end(); __i != __e; ++__i)
|
|
__alloc_traits::destroy(__a, _VSTD::addressof(*__i));
|
|
size() = 0;
|
|
while (__map_.size() > 2)
|
|
{
|
|
__alloc_traits::deallocate(__a, __map_.front(), __block_size);
|
|
__map_.pop_front();
|
|
}
|
|
switch (__map_.size())
|
|
{
|
|
case 1:
|
|
__start_ = __block_size / 2;
|
|
break;
|
|
case 2:
|
|
__start_ = __block_size;
|
|
break;
|
|
}
|
|
}
|
|
|
|
template <class _Tp, class _Allocator = allocator<_Tp> >
|
|
class _LIBCPP_TYPE_VIS_ONLY deque
|
|
: private __deque_base<_Tp, _Allocator>
|
|
{
|
|
public:
|
|
// types:
|
|
|
|
typedef _Tp value_type;
|
|
typedef _Allocator allocator_type;
|
|
|
|
typedef __deque_base<value_type, allocator_type> __base;
|
|
|
|
typedef typename __base::__alloc_traits __alloc_traits;
|
|
typedef typename __base::reference reference;
|
|
typedef typename __base::const_reference const_reference;
|
|
typedef typename __base::iterator iterator;
|
|
typedef typename __base::const_iterator const_iterator;
|
|
typedef typename __base::size_type size_type;
|
|
typedef typename __base::difference_type difference_type;
|
|
|
|
typedef typename __base::pointer pointer;
|
|
typedef typename __base::const_pointer const_pointer;
|
|
typedef _VSTD::reverse_iterator<iterator> reverse_iterator;
|
|
typedef _VSTD::reverse_iterator<const_iterator> const_reverse_iterator;
|
|
|
|
// construct/copy/destroy:
|
|
_LIBCPP_INLINE_VISIBILITY
|
|
deque()
|
|
_NOEXCEPT_(is_nothrow_default_constructible<allocator_type>::value)
|
|
{}
|
|
_LIBCPP_INLINE_VISIBILITY deque(const allocator_type& __a) : __base(__a) {}
|
|
explicit deque(size_type __n);
|
|
#if _LIBCPP_STD_VER > 11
|
|
explicit deque(size_type __n, const _Allocator& __a);
|
|
#endif
|
|
deque(size_type __n, const value_type& __v);
|
|
deque(size_type __n, const value_type& __v, const allocator_type& __a);
|
|
template <class _InputIter>
|
|
deque(_InputIter __f, _InputIter __l,
|
|
typename enable_if<__is_input_iterator<_InputIter>::value>::type* = 0);
|
|
template <class _InputIter>
|
|
deque(_InputIter __f, _InputIter __l, const allocator_type& __a,
|
|
typename enable_if<__is_input_iterator<_InputIter>::value>::type* = 0);
|
|
deque(const deque& __c);
|
|
deque(const deque& __c, const allocator_type& __a);
|
|
#ifndef _LIBCPP_HAS_NO_GENERALIZED_INITIALIZERS
|
|
deque(initializer_list<value_type> __il);
|
|
deque(initializer_list<value_type> __il, const allocator_type& __a);
|
|
#endif // _LIBCPP_HAS_NO_GENERALIZED_INITIALIZERS
|
|
|
|
deque& operator=(const deque& __c);
|
|
#ifndef _LIBCPP_HAS_NO_GENERALIZED_INITIALIZERS
|
|
_LIBCPP_INLINE_VISIBILITY
|
|
deque& operator=(initializer_list<value_type> __il) {assign(__il); return *this;}
|
|
#endif // _LIBCPP_HAS_NO_GENERALIZED_INITIALIZERS
|
|
|
|
#ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES
|
|
deque(deque&& __c) _NOEXCEPT_(is_nothrow_move_constructible<__base>::value);
|
|
deque(deque&& __c, const allocator_type& __a);
|
|
deque& operator=(deque&& __c)
|
|
_NOEXCEPT_(__alloc_traits::propagate_on_container_move_assignment::value &&
|
|
is_nothrow_move_assignable<allocator_type>::value);
|
|
#endif // _LIBCPP_HAS_NO_RVALUE_REFERENCES
|
|
|
|
template <class _InputIter>
|
|
void assign(_InputIter __f, _InputIter __l,
|
|
typename enable_if<__is_input_iterator<_InputIter>::value &&
|
|
!__is_random_access_iterator<_InputIter>::value>::type* = 0);
|
|
template <class _RAIter>
|
|
void assign(_RAIter __f, _RAIter __l,
|
|
typename enable_if<__is_random_access_iterator<_RAIter>::value>::type* = 0);
|
|
void assign(size_type __n, const value_type& __v);
|
|
#ifndef _LIBCPP_HAS_NO_GENERALIZED_INITIALIZERS
|
|
_LIBCPP_INLINE_VISIBILITY
|
|
void assign(initializer_list<value_type> __il) {assign(__il.begin(), __il.end());}
|
|
#endif // _LIBCPP_HAS_NO_GENERALIZED_INITIALIZERS
|
|
|
|
allocator_type get_allocator() const _NOEXCEPT;
|
|
|
|
// iterators:
|
|
|
|
_LIBCPP_INLINE_VISIBILITY
|
|
iterator begin() _NOEXCEPT {return __base::begin();}
|
|
_LIBCPP_INLINE_VISIBILITY
|
|
const_iterator begin() const _NOEXCEPT {return __base::begin();}
|
|
_LIBCPP_INLINE_VISIBILITY
|
|
iterator end() _NOEXCEPT {return __base::end();}
|
|
_LIBCPP_INLINE_VISIBILITY
|
|
const_iterator end() const _NOEXCEPT {return __base::end();}
|
|
|
|
_LIBCPP_INLINE_VISIBILITY
|
|
reverse_iterator rbegin() _NOEXCEPT
|
|
{return reverse_iterator(__base::end());}
|
|
_LIBCPP_INLINE_VISIBILITY
|
|
const_reverse_iterator rbegin() const _NOEXCEPT
|
|
{return const_reverse_iterator(__base::end());}
|
|
_LIBCPP_INLINE_VISIBILITY
|
|
reverse_iterator rend() _NOEXCEPT
|
|
{return reverse_iterator(__base::begin());}
|
|
_LIBCPP_INLINE_VISIBILITY
|
|
const_reverse_iterator rend() const _NOEXCEPT
|
|
{return const_reverse_iterator(__base::begin());}
|
|
|
|
_LIBCPP_INLINE_VISIBILITY
|
|
const_iterator cbegin() const _NOEXCEPT
|
|
{return __base::begin();}
|
|
_LIBCPP_INLINE_VISIBILITY
|
|
const_iterator cend() const _NOEXCEPT
|
|
{return __base::end();}
|
|
_LIBCPP_INLINE_VISIBILITY
|
|
const_reverse_iterator crbegin() const _NOEXCEPT
|
|
{return const_reverse_iterator(__base::end());}
|
|
_LIBCPP_INLINE_VISIBILITY
|
|
const_reverse_iterator crend() const _NOEXCEPT
|
|
{return const_reverse_iterator(__base::begin());}
|
|
|
|
// capacity:
|
|
_LIBCPP_INLINE_VISIBILITY
|
|
size_type size() const _NOEXCEPT {return __base::size();}
|
|
_LIBCPP_INLINE_VISIBILITY
|
|
size_type max_size() const _NOEXCEPT
|
|
{return __alloc_traits::max_size(__base::__alloc());}
|
|
void resize(size_type __n);
|
|
void resize(size_type __n, const value_type& __v);
|
|
void shrink_to_fit() _NOEXCEPT;
|
|
_LIBCPP_INLINE_VISIBILITY
|
|
bool empty() const _NOEXCEPT {return __base::size() == 0;}
|
|
|
|
// element access:
|
|
reference operator[](size_type __i);
|
|
const_reference operator[](size_type __i) const;
|
|
reference at(size_type __i);
|
|
const_reference at(size_type __i) const;
|
|
reference front();
|
|
const_reference front() const;
|
|
reference back();
|
|
const_reference back() const;
|
|
|
|
// 23.2.2.3 modifiers:
|
|
void push_front(const value_type& __v);
|
|
void push_back(const value_type& __v);
|
|
#ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES
|
|
#ifndef _LIBCPP_HAS_NO_VARIADICS
|
|
template <class... _Args> void emplace_front(_Args&&... __args);
|
|
template <class... _Args> void emplace_back(_Args&&... __args);
|
|
template <class... _Args> iterator emplace(const_iterator __p, _Args&&... __args);
|
|
#endif // _LIBCPP_HAS_NO_VARIADICS
|
|
void push_front(value_type&& __v);
|
|
void push_back(value_type&& __v);
|
|
iterator insert(const_iterator __p, value_type&& __v);
|
|
#endif // _LIBCPP_HAS_NO_RVALUE_REFERENCES
|
|
iterator insert(const_iterator __p, const value_type& __v);
|
|
iterator insert(const_iterator __p, size_type __n, const value_type& __v);
|
|
template <class _InputIter>
|
|
iterator insert (const_iterator __p, _InputIter __f, _InputIter __l,
|
|
typename enable_if<__is_input_iterator<_InputIter>::value
|
|
&&!__is_bidirectional_iterator<_InputIter>::value>::type* = 0);
|
|
template <class _BiIter>
|
|
iterator insert (const_iterator __p, _BiIter __f, _BiIter __l,
|
|
typename enable_if<__is_bidirectional_iterator<_BiIter>::value>::type* = 0);
|
|
#ifndef _LIBCPP_HAS_NO_GENERALIZED_INITIALIZERS
|
|
_LIBCPP_INLINE_VISIBILITY
|
|
iterator insert(const_iterator __p, initializer_list<value_type> __il)
|
|
{return insert(__p, __il.begin(), __il.end());}
|
|
#endif // _LIBCPP_HAS_NO_GENERALIZED_INITIALIZERS
|
|
void pop_front();
|
|
void pop_back();
|
|
iterator erase(const_iterator __p);
|
|
iterator erase(const_iterator __f, const_iterator __l);
|
|
|
|
void swap(deque& __c)
|
|
_NOEXCEPT_(!__alloc_traits::propagate_on_container_swap::value ||
|
|
__is_nothrow_swappable<allocator_type>::value);
|
|
void clear() _NOEXCEPT;
|
|
|
|
_LIBCPP_INLINE_VISIBILITY
|
|
bool __invariants() const {return __base::__invariants();}
|
|
private:
|
|
typedef typename __base::__map_const_pointer __map_const_pointer;
|
|
|
|
_LIBCPP_INLINE_VISIBILITY
|
|
static size_type __recommend_blocks(size_type __n)
|
|
{
|
|
return __n / __base::__block_size + (__n % __base::__block_size != 0);
|
|
}
|
|
_LIBCPP_INLINE_VISIBILITY
|
|
size_type __capacity() const
|
|
{
|
|
return __base::__map_.size() == 0 ? 0 : __base::__map_.size() * __base::__block_size - 1;
|
|
}
|
|
_LIBCPP_INLINE_VISIBILITY
|
|
size_type __front_spare() const
|
|
{
|
|
return __base::__start_;
|
|
}
|
|
_LIBCPP_INLINE_VISIBILITY
|
|
size_type __back_spare() const
|
|
{
|
|
return __capacity() - (__base::__start_ + __base::size());
|
|
}
|
|
|
|
template <class _InpIter>
|
|
void __append(_InpIter __f, _InpIter __l,
|
|
typename enable_if<__is_input_iterator<_InpIter>::value &&
|
|
!__is_forward_iterator<_InpIter>::value>::type* = 0);
|
|
template <class _ForIter>
|
|
void __append(_ForIter __f, _ForIter __l,
|
|
typename enable_if<__is_forward_iterator<_ForIter>::value>::type* = 0);
|
|
void __append(size_type __n);
|
|
void __append(size_type __n, const value_type& __v);
|
|
void __erase_to_end(const_iterator __f);
|
|
void __add_front_capacity();
|
|
void __add_front_capacity(size_type __n);
|
|
void __add_back_capacity();
|
|
void __add_back_capacity(size_type __n);
|
|
iterator __move_and_check(iterator __f, iterator __l, iterator __r,
|
|
const_pointer& __vt);
|
|
iterator __move_backward_and_check(iterator __f, iterator __l, iterator __r,
|
|
const_pointer& __vt);
|
|
void __move_construct_and_check(iterator __f, iterator __l,
|
|
iterator __r, const_pointer& __vt);
|
|
void __move_construct_backward_and_check(iterator __f, iterator __l,
|
|
iterator __r, const_pointer& __vt);
|
|
|
|
_LIBCPP_INLINE_VISIBILITY
|
|
void __copy_assign_alloc(const deque& __c)
|
|
{__copy_assign_alloc(__c, integral_constant<bool,
|
|
__alloc_traits::propagate_on_container_copy_assignment::value>());}
|
|
|
|
_LIBCPP_INLINE_VISIBILITY
|
|
void __copy_assign_alloc(const deque& __c, true_type)
|
|
{
|
|
if (__base::__alloc() != __c.__alloc())
|
|
{
|
|
clear();
|
|
shrink_to_fit();
|
|
}
|
|
__base::__alloc() = __c.__alloc();
|
|
__base::__map_.__alloc() = __c.__map_.__alloc();
|
|
}
|
|
|
|
_LIBCPP_INLINE_VISIBILITY
|
|
void __copy_assign_alloc(const deque&, false_type)
|
|
{}
|
|
|
|
void __move_assign(deque& __c, true_type)
|
|
_NOEXCEPT_(is_nothrow_move_assignable<allocator_type>::value);
|
|
void __move_assign(deque& __c, false_type);
|
|
};
|
|
|
|
template <class _Tp, class _Allocator>
|
|
deque<_Tp, _Allocator>::deque(size_type __n)
|
|
{
|
|
if (__n > 0)
|
|
__append(__n);
|
|
}
|
|
|
|
#if _LIBCPP_STD_VER > 11
|
|
template <class _Tp, class _Allocator>
|
|
deque<_Tp, _Allocator>::deque(size_type __n, const _Allocator& __a)
|
|
: __base(__a)
|
|
{
|
|
if (__n > 0)
|
|
__append(__n);
|
|
}
|
|
#endif
|
|
|
|
template <class _Tp, class _Allocator>
|
|
deque<_Tp, _Allocator>::deque(size_type __n, const value_type& __v)
|
|
{
|
|
if (__n > 0)
|
|
__append(__n, __v);
|
|
}
|
|
|
|
template <class _Tp, class _Allocator>
|
|
deque<_Tp, _Allocator>::deque(size_type __n, const value_type& __v, const allocator_type& __a)
|
|
: __base(__a)
|
|
{
|
|
if (__n > 0)
|
|
__append(__n, __v);
|
|
}
|
|
|
|
template <class _Tp, class _Allocator>
|
|
template <class _InputIter>
|
|
deque<_Tp, _Allocator>::deque(_InputIter __f, _InputIter __l,
|
|
typename enable_if<__is_input_iterator<_InputIter>::value>::type*)
|
|
{
|
|
__append(__f, __l);
|
|
}
|
|
|
|
template <class _Tp, class _Allocator>
|
|
template <class _InputIter>
|
|
deque<_Tp, _Allocator>::deque(_InputIter __f, _InputIter __l, const allocator_type& __a,
|
|
typename enable_if<__is_input_iterator<_InputIter>::value>::type*)
|
|
: __base(__a)
|
|
{
|
|
__append(__f, __l);
|
|
}
|
|
|
|
template <class _Tp, class _Allocator>
|
|
deque<_Tp, _Allocator>::deque(const deque& __c)
|
|
: __base(__alloc_traits::select_on_container_copy_construction(__c.__alloc()))
|
|
{
|
|
__append(__c.begin(), __c.end());
|
|
}
|
|
|
|
template <class _Tp, class _Allocator>
|
|
deque<_Tp, _Allocator>::deque(const deque& __c, const allocator_type& __a)
|
|
: __base(__a)
|
|
{
|
|
__append(__c.begin(), __c.end());
|
|
}
|
|
|
|
#ifndef _LIBCPP_HAS_NO_GENERALIZED_INITIALIZERS
|
|
|
|
template <class _Tp, class _Allocator>
|
|
deque<_Tp, _Allocator>::deque(initializer_list<value_type> __il)
|
|
{
|
|
__append(__il.begin(), __il.end());
|
|
}
|
|
|
|
template <class _Tp, class _Allocator>
|
|
deque<_Tp, _Allocator>::deque(initializer_list<value_type> __il, const allocator_type& __a)
|
|
: __base(__a)
|
|
{
|
|
__append(__il.begin(), __il.end());
|
|
}
|
|
|
|
#endif // _LIBCPP_HAS_NO_GENERALIZED_INITIALIZERS
|
|
|
|
template <class _Tp, class _Allocator>
|
|
deque<_Tp, _Allocator>&
|
|
deque<_Tp, _Allocator>::operator=(const deque& __c)
|
|
{
|
|
if (this != &__c)
|
|
{
|
|
__copy_assign_alloc(__c);
|
|
assign(__c.begin(), __c.end());
|
|
}
|
|
return *this;
|
|
}
|
|
|
|
#ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES
|
|
|
|
template <class _Tp, class _Allocator>
|
|
inline _LIBCPP_INLINE_VISIBILITY
|
|
deque<_Tp, _Allocator>::deque(deque&& __c)
|
|
_NOEXCEPT_(is_nothrow_move_constructible<__base>::value)
|
|
: __base(_VSTD::move(__c))
|
|
{
|
|
}
|
|
|
|
template <class _Tp, class _Allocator>
|
|
inline _LIBCPP_INLINE_VISIBILITY
|
|
deque<_Tp, _Allocator>::deque(deque&& __c, const allocator_type& __a)
|
|
: __base(_VSTD::move(__c), __a)
|
|
{
|
|
if (__a != __c.__alloc())
|
|
{
|
|
typedef move_iterator<iterator> _Ip;
|
|
assign(_Ip(__c.begin()), _Ip(__c.end()));
|
|
}
|
|
}
|
|
|
|
template <class _Tp, class _Allocator>
|
|
inline _LIBCPP_INLINE_VISIBILITY
|
|
deque<_Tp, _Allocator>&
|
|
deque<_Tp, _Allocator>::operator=(deque&& __c)
|
|
_NOEXCEPT_(__alloc_traits::propagate_on_container_move_assignment::value &&
|
|
is_nothrow_move_assignable<allocator_type>::value)
|
|
{
|
|
__move_assign(__c, integral_constant<bool,
|
|
__alloc_traits::propagate_on_container_move_assignment::value>());
|
|
return *this;
|
|
}
|
|
|
|
template <class _Tp, class _Allocator>
|
|
void
|
|
deque<_Tp, _Allocator>::__move_assign(deque& __c, false_type)
|
|
{
|
|
if (__base::__alloc() != __c.__alloc())
|
|
{
|
|
typedef move_iterator<iterator> _Ip;
|
|
assign(_Ip(__c.begin()), _Ip(__c.end()));
|
|
}
|
|
else
|
|
__move_assign(__c, true_type());
|
|
}
|
|
|
|
template <class _Tp, class _Allocator>
|
|
void
|
|
deque<_Tp, _Allocator>::__move_assign(deque& __c, true_type)
|
|
_NOEXCEPT_(is_nothrow_move_assignable<allocator_type>::value)
|
|
{
|
|
clear();
|
|
shrink_to_fit();
|
|
__base::__move_assign(__c);
|
|
}
|
|
|
|
#endif // _LIBCPP_HAS_NO_RVALUE_REFERENCES
|
|
|
|
template <class _Tp, class _Allocator>
|
|
template <class _InputIter>
|
|
void
|
|
deque<_Tp, _Allocator>::assign(_InputIter __f, _InputIter __l,
|
|
typename enable_if<__is_input_iterator<_InputIter>::value &&
|
|
!__is_random_access_iterator<_InputIter>::value>::type*)
|
|
{
|
|
iterator __i = __base::begin();
|
|
iterator __e = __base::end();
|
|
for (; __f != __l && __i != __e; ++__f, ++__i)
|
|
*__i = *__f;
|
|
if (__f != __l)
|
|
__append(__f, __l);
|
|
else
|
|
__erase_to_end(__i);
|
|
}
|
|
|
|
template <class _Tp, class _Allocator>
|
|
template <class _RAIter>
|
|
void
|
|
deque<_Tp, _Allocator>::assign(_RAIter __f, _RAIter __l,
|
|
typename enable_if<__is_random_access_iterator<_RAIter>::value>::type*)
|
|
{
|
|
if (static_cast<size_type>(__l - __f) > __base::size())
|
|
{
|
|
_RAIter __m = __f + __base::size();
|
|
_VSTD::copy(__f, __m, __base::begin());
|
|
__append(__m, __l);
|
|
}
|
|
else
|
|
__erase_to_end(_VSTD::copy(__f, __l, __base::begin()));
|
|
}
|
|
|
|
template <class _Tp, class _Allocator>
|
|
void
|
|
deque<_Tp, _Allocator>::assign(size_type __n, const value_type& __v)
|
|
{
|
|
if (__n > __base::size())
|
|
{
|
|
_VSTD::fill_n(__base::begin(), __base::size(), __v);
|
|
__n -= __base::size();
|
|
__append(__n, __v);
|
|
}
|
|
else
|
|
__erase_to_end(_VSTD::fill_n(__base::begin(), __n, __v));
|
|
}
|
|
|
|
template <class _Tp, class _Allocator>
|
|
inline _LIBCPP_INLINE_VISIBILITY
|
|
_Allocator
|
|
deque<_Tp, _Allocator>::get_allocator() const _NOEXCEPT
|
|
{
|
|
return __base::__alloc();
|
|
}
|
|
|
|
template <class _Tp, class _Allocator>
|
|
void
|
|
deque<_Tp, _Allocator>::resize(size_type __n)
|
|
{
|
|
if (__n > __base::size())
|
|
__append(__n - __base::size());
|
|
else if (__n < __base::size())
|
|
__erase_to_end(__base::begin() + __n);
|
|
}
|
|
|
|
template <class _Tp, class _Allocator>
|
|
void
|
|
deque<_Tp, _Allocator>::resize(size_type __n, const value_type& __v)
|
|
{
|
|
if (__n > __base::size())
|
|
__append(__n - __base::size(), __v);
|
|
else if (__n < __base::size())
|
|
__erase_to_end(__base::begin() + __n);
|
|
}
|
|
|
|
template <class _Tp, class _Allocator>
|
|
void
|
|
deque<_Tp, _Allocator>::shrink_to_fit() _NOEXCEPT
|
|
{
|
|
allocator_type& __a = __base::__alloc();
|
|
if (empty())
|
|
{
|
|
while (__base::__map_.size() > 0)
|
|
{
|
|
__alloc_traits::deallocate(__a, __base::__map_.back(), __base::__block_size);
|
|
__base::__map_.pop_back();
|
|
}
|
|
__base::__start_ = 0;
|
|
}
|
|
else
|
|
{
|
|
if (__front_spare() >= __base::__block_size)
|
|
{
|
|
__alloc_traits::deallocate(__a, __base::__map_.front(), __base::__block_size);
|
|
__base::__map_.pop_front();
|
|
__base::__start_ -= __base::__block_size;
|
|
}
|
|
if (__back_spare() >= __base::__block_size)
|
|
{
|
|
__alloc_traits::deallocate(__a, __base::__map_.back(), __base::__block_size);
|
|
__base::__map_.pop_back();
|
|
}
|
|
}
|
|
__base::__map_.shrink_to_fit();
|
|
}
|
|
|
|
template <class _Tp, class _Allocator>
|
|
inline _LIBCPP_INLINE_VISIBILITY
|
|
typename deque<_Tp, _Allocator>::reference
|
|
deque<_Tp, _Allocator>::operator[](size_type __i)
|
|
{
|
|
size_type __p = __base::__start_ + __i;
|
|
return *(*(__base::__map_.begin() + __p / __base::__block_size) + __p % __base::__block_size);
|
|
}
|
|
|
|
template <class _Tp, class _Allocator>
|
|
inline _LIBCPP_INLINE_VISIBILITY
|
|
typename deque<_Tp, _Allocator>::const_reference
|
|
deque<_Tp, _Allocator>::operator[](size_type __i) const
|
|
{
|
|
size_type __p = __base::__start_ + __i;
|
|
return *(*(__base::__map_.begin() + __p / __base::__block_size) + __p % __base::__block_size);
|
|
}
|
|
|
|
template <class _Tp, class _Allocator>
|
|
inline _LIBCPP_INLINE_VISIBILITY
|
|
typename deque<_Tp, _Allocator>::reference
|
|
deque<_Tp, _Allocator>::at(size_type __i)
|
|
{
|
|
if (__i >= __base::size())
|
|
__base::__throw_out_of_range();
|
|
size_type __p = __base::__start_ + __i;
|
|
return *(*(__base::__map_.begin() + __p / __base::__block_size) + __p % __base::__block_size);
|
|
}
|
|
|
|
template <class _Tp, class _Allocator>
|
|
inline _LIBCPP_INLINE_VISIBILITY
|
|
typename deque<_Tp, _Allocator>::const_reference
|
|
deque<_Tp, _Allocator>::at(size_type __i) const
|
|
{
|
|
if (__i >= __base::size())
|
|
__base::__throw_out_of_range();
|
|
size_type __p = __base::__start_ + __i;
|
|
return *(*(__base::__map_.begin() + __p / __base::__block_size) + __p % __base::__block_size);
|
|
}
|
|
|
|
template <class _Tp, class _Allocator>
|
|
inline _LIBCPP_INLINE_VISIBILITY
|
|
typename deque<_Tp, _Allocator>::reference
|
|
deque<_Tp, _Allocator>::front()
|
|
{
|
|
return *(*(__base::__map_.begin() + __base::__start_ / __base::__block_size)
|
|
+ __base::__start_ % __base::__block_size);
|
|
}
|
|
|
|
template <class _Tp, class _Allocator>
|
|
inline _LIBCPP_INLINE_VISIBILITY
|
|
typename deque<_Tp, _Allocator>::const_reference
|
|
deque<_Tp, _Allocator>::front() const
|
|
{
|
|
return *(*(__base::__map_.begin() + __base::__start_ / __base::__block_size)
|
|
+ __base::__start_ % __base::__block_size);
|
|
}
|
|
|
|
template <class _Tp, class _Allocator>
|
|
inline _LIBCPP_INLINE_VISIBILITY
|
|
typename deque<_Tp, _Allocator>::reference
|
|
deque<_Tp, _Allocator>::back()
|
|
{
|
|
size_type __p = __base::size() + __base::__start_ - 1;
|
|
return *(*(__base::__map_.begin() + __p / __base::__block_size) + __p % __base::__block_size);
|
|
}
|
|
|
|
template <class _Tp, class _Allocator>
|
|
inline _LIBCPP_INLINE_VISIBILITY
|
|
typename deque<_Tp, _Allocator>::const_reference
|
|
deque<_Tp, _Allocator>::back() const
|
|
{
|
|
size_type __p = __base::size() + __base::__start_ - 1;
|
|
return *(*(__base::__map_.begin() + __p / __base::__block_size) + __p % __base::__block_size);
|
|
}
|
|
|
|
template <class _Tp, class _Allocator>
|
|
void
|
|
deque<_Tp, _Allocator>::push_back(const value_type& __v)
|
|
{
|
|
allocator_type& __a = __base::__alloc();
|
|
if (__back_spare() == 0)
|
|
__add_back_capacity();
|
|
// __back_spare() >= 1
|
|
__alloc_traits::construct(__a, _VSTD::addressof(*__base::end()), __v);
|
|
++__base::size();
|
|
}
|
|
|
|
#ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES
|
|
|
|
template <class _Tp, class _Allocator>
|
|
void
|
|
deque<_Tp, _Allocator>::push_back(value_type&& __v)
|
|
{
|
|
allocator_type& __a = __base::__alloc();
|
|
if (__back_spare() == 0)
|
|
__add_back_capacity();
|
|
// __back_spare() >= 1
|
|
__alloc_traits::construct(__a, _VSTD::addressof(*__base::end()), _VSTD::move(__v));
|
|
++__base::size();
|
|
}
|
|
|
|
#ifndef _LIBCPP_HAS_NO_VARIADICS
|
|
|
|
template <class _Tp, class _Allocator>
|
|
template <class... _Args>
|
|
void
|
|
deque<_Tp, _Allocator>::emplace_back(_Args&&... __args)
|
|
{
|
|
allocator_type& __a = __base::__alloc();
|
|
if (__back_spare() == 0)
|
|
__add_back_capacity();
|
|
// __back_spare() >= 1
|
|
__alloc_traits::construct(__a, _VSTD::addressof(*__base::end()), _VSTD::forward<_Args>(__args)...);
|
|
++__base::size();
|
|
}
|
|
|
|
#endif // _LIBCPP_HAS_NO_VARIADICS
|
|
#endif // _LIBCPP_HAS_NO_RVALUE_REFERENCES
|
|
|
|
template <class _Tp, class _Allocator>
|
|
void
|
|
deque<_Tp, _Allocator>::push_front(const value_type& __v)
|
|
{
|
|
allocator_type& __a = __base::__alloc();
|
|
if (__front_spare() == 0)
|
|
__add_front_capacity();
|
|
// __front_spare() >= 1
|
|
__alloc_traits::construct(__a, _VSTD::addressof(*--__base::begin()), __v);
|
|
--__base::__start_;
|
|
++__base::size();
|
|
}
|
|
|
|
#ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES
|
|
|
|
template <class _Tp, class _Allocator>
|
|
void
|
|
deque<_Tp, _Allocator>::push_front(value_type&& __v)
|
|
{
|
|
allocator_type& __a = __base::__alloc();
|
|
if (__front_spare() == 0)
|
|
__add_front_capacity();
|
|
// __front_spare() >= 1
|
|
__alloc_traits::construct(__a, _VSTD::addressof(*--__base::begin()), _VSTD::move(__v));
|
|
--__base::__start_;
|
|
++__base::size();
|
|
}
|
|
|
|
#ifndef _LIBCPP_HAS_NO_VARIADICS
|
|
|
|
template <class _Tp, class _Allocator>
|
|
template <class... _Args>
|
|
void
|
|
deque<_Tp, _Allocator>::emplace_front(_Args&&... __args)
|
|
{
|
|
allocator_type& __a = __base::__alloc();
|
|
if (__front_spare() == 0)
|
|
__add_front_capacity();
|
|
// __front_spare() >= 1
|
|
__alloc_traits::construct(__a, _VSTD::addressof(*--__base::begin()), _VSTD::forward<_Args>(__args)...);
|
|
--__base::__start_;
|
|
++__base::size();
|
|
}
|
|
|
|
#endif // _LIBCPP_HAS_NO_VARIADICS
|
|
#endif // _LIBCPP_HAS_NO_RVALUE_REFERENCES
|
|
|
|
template <class _Tp, class _Allocator>
|
|
typename deque<_Tp, _Allocator>::iterator
|
|
deque<_Tp, _Allocator>::insert(const_iterator __p, const value_type& __v)
|
|
{
|
|
size_type __pos = __p - __base::begin();
|
|
size_type __to_end = __base::size() - __pos;
|
|
allocator_type& __a = __base::__alloc();
|
|
if (__pos < __to_end)
|
|
{ // insert by shifting things backward
|
|
if (__front_spare() == 0)
|
|
__add_front_capacity();
|
|
// __front_spare() >= 1
|
|
if (__pos == 0)
|
|
{
|
|
__alloc_traits::construct(__a, _VSTD::addressof(*--__base::begin()), __v);
|
|
--__base::__start_;
|
|
++__base::size();
|
|
}
|
|
else
|
|
{
|
|
const_pointer __vt = pointer_traits<const_pointer>::pointer_to(__v);
|
|
iterator __b = __base::begin();
|
|
iterator __bm1 = _VSTD::prev(__b);
|
|
if (__vt == pointer_traits<const_pointer>::pointer_to(*__b))
|
|
__vt = pointer_traits<const_pointer>::pointer_to(*__bm1);
|
|
__alloc_traits::construct(__a, _VSTD::addressof(*__bm1), _VSTD::move(*__b));
|
|
--__base::__start_;
|
|
++__base::size();
|
|
if (__pos > 1)
|
|
__b = __move_and_check(_VSTD::next(__b), __b + __pos, __b, __vt);
|
|
*__b = *__vt;
|
|
}
|
|
}
|
|
else
|
|
{ // insert by shifting things forward
|
|
if (__back_spare() == 0)
|
|
__add_back_capacity();
|
|
// __back_capacity >= 1
|
|
size_type __de = __base::size() - __pos;
|
|
if (__de == 0)
|
|
{
|
|
__alloc_traits::construct(__a, _VSTD::addressof(*__base::end()), __v);
|
|
++__base::size();
|
|
}
|
|
else
|
|
{
|
|
const_pointer __vt = pointer_traits<const_pointer>::pointer_to(__v);
|
|
iterator __e = __base::end();
|
|
iterator __em1 = _VSTD::prev(__e);
|
|
if (__vt == pointer_traits<const_pointer>::pointer_to(*__em1))
|
|
__vt = pointer_traits<const_pointer>::pointer_to(*__e);
|
|
__alloc_traits::construct(__a, _VSTD::addressof(*__e), _VSTD::move(*__em1));
|
|
++__base::size();
|
|
if (__de > 1)
|
|
__e = __move_backward_and_check(__e - __de, __em1, __e, __vt);
|
|
*--__e = *__vt;
|
|
}
|
|
}
|
|
return __base::begin() + __pos;
|
|
}
|
|
|
|
#ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES
|
|
|
|
template <class _Tp, class _Allocator>
|
|
typename deque<_Tp, _Allocator>::iterator
|
|
deque<_Tp, _Allocator>::insert(const_iterator __p, value_type&& __v)
|
|
{
|
|
size_type __pos = __p - __base::begin();
|
|
size_type __to_end = __base::size() - __pos;
|
|
allocator_type& __a = __base::__alloc();
|
|
if (__pos < __to_end)
|
|
{ // insert by shifting things backward
|
|
if (__front_spare() == 0)
|
|
__add_front_capacity();
|
|
// __front_spare() >= 1
|
|
if (__pos == 0)
|
|
{
|
|
__alloc_traits::construct(__a, _VSTD::addressof(*--__base::begin()), _VSTD::move(__v));
|
|
--__base::__start_;
|
|
++__base::size();
|
|
}
|
|
else
|
|
{
|
|
iterator __b = __base::begin();
|
|
iterator __bm1 = _VSTD::prev(__b);
|
|
__alloc_traits::construct(__a, _VSTD::addressof(*__bm1), _VSTD::move(*__b));
|
|
--__base::__start_;
|
|
++__base::size();
|
|
if (__pos > 1)
|
|
__b = _VSTD::move(_VSTD::next(__b), __b + __pos, __b);
|
|
*__b = _VSTD::move(__v);
|
|
}
|
|
}
|
|
else
|
|
{ // insert by shifting things forward
|
|
if (__back_spare() == 0)
|
|
__add_back_capacity();
|
|
// __back_capacity >= 1
|
|
size_type __de = __base::size() - __pos;
|
|
if (__de == 0)
|
|
{
|
|
__alloc_traits::construct(__a, _VSTD::addressof(*__base::end()), _VSTD::move(__v));
|
|
++__base::size();
|
|
}
|
|
else
|
|
{
|
|
iterator __e = __base::end();
|
|
iterator __em1 = _VSTD::prev(__e);
|
|
__alloc_traits::construct(__a, _VSTD::addressof(*__e), _VSTD::move(*__em1));
|
|
++__base::size();
|
|
if (__de > 1)
|
|
__e = _VSTD::move_backward(__e - __de, __em1, __e);
|
|
*--__e = _VSTD::move(__v);
|
|
}
|
|
}
|
|
return __base::begin() + __pos;
|
|
}
|
|
|
|
#ifndef _LIBCPP_HAS_NO_VARIADICS
|
|
|
|
template <class _Tp, class _Allocator>
|
|
template <class... _Args>
|
|
typename deque<_Tp, _Allocator>::iterator
|
|
deque<_Tp, _Allocator>::emplace(const_iterator __p, _Args&&... __args)
|
|
{
|
|
size_type __pos = __p - __base::begin();
|
|
size_type __to_end = __base::size() - __pos;
|
|
allocator_type& __a = __base::__alloc();
|
|
if (__pos < __to_end)
|
|
{ // insert by shifting things backward
|
|
if (__front_spare() == 0)
|
|
__add_front_capacity();
|
|
// __front_spare() >= 1
|
|
if (__pos == 0)
|
|
{
|
|
__alloc_traits::construct(__a, _VSTD::addressof(*--__base::begin()), _VSTD::forward<_Args>(__args)...);
|
|
--__base::__start_;
|
|
++__base::size();
|
|
}
|
|
else
|
|
{
|
|
value_type __tmp(_VSTD::forward<_Args>(__args)...);
|
|
iterator __b = __base::begin();
|
|
iterator __bm1 = _VSTD::prev(__b);
|
|
__alloc_traits::construct(__a, _VSTD::addressof(*__bm1), _VSTD::move(*__b));
|
|
--__base::__start_;
|
|
++__base::size();
|
|
if (__pos > 1)
|
|
__b = _VSTD::move(_VSTD::next(__b), __b + __pos, __b);
|
|
*__b = _VSTD::move(__tmp);
|
|
}
|
|
}
|
|
else
|
|
{ // insert by shifting things forward
|
|
if (__back_spare() == 0)
|
|
__add_back_capacity();
|
|
// __back_capacity >= 1
|
|
size_type __de = __base::size() - __pos;
|
|
if (__de == 0)
|
|
{
|
|
__alloc_traits::construct(__a, _VSTD::addressof(*__base::end()), _VSTD::forward<_Args>(__args)...);
|
|
++__base::size();
|
|
}
|
|
else
|
|
{
|
|
value_type __tmp(_VSTD::forward<_Args>(__args)...);
|
|
iterator __e = __base::end();
|
|
iterator __em1 = _VSTD::prev(__e);
|
|
__alloc_traits::construct(__a, _VSTD::addressof(*__e), _VSTD::move(*__em1));
|
|
++__base::size();
|
|
if (__de > 1)
|
|
__e = _VSTD::move_backward(__e - __de, __em1, __e);
|
|
*--__e = _VSTD::move(__tmp);
|
|
}
|
|
}
|
|
return __base::begin() + __pos;
|
|
}
|
|
|
|
#endif // _LIBCPP_HAS_NO_VARIADICS
|
|
#endif // _LIBCPP_HAS_NO_RVALUE_REFERENCES
|
|
|
|
template <class _Tp, class _Allocator>
|
|
typename deque<_Tp, _Allocator>::iterator
|
|
deque<_Tp, _Allocator>::insert(const_iterator __p, size_type __n, const value_type& __v)
|
|
{
|
|
size_type __pos = __p - __base::begin();
|
|
size_type __to_end = __base::size() - __pos;
|
|
allocator_type& __a = __base::__alloc();
|
|
if (__pos < __to_end)
|
|
{ // insert by shifting things backward
|
|
if (__n > __front_spare())
|
|
__add_front_capacity(__n - __front_spare());
|
|
// __n <= __front_spare()
|
|
size_type __old_n = __n;
|
|
iterator __old_begin = __base::begin();
|
|
iterator __i = __old_begin;
|
|
if (__n > __pos)
|
|
{
|
|
for (size_type __m = __n - __pos; __m; --__m, --__base::__start_, ++__base::size())
|
|
__alloc_traits::construct(__a, _VSTD::addressof(*--__i), __v);
|
|
__n = __pos;
|
|
}
|
|
if (__n > 0)
|
|
{
|
|
const_pointer __vt = pointer_traits<const_pointer>::pointer_to(__v);
|
|
iterator __obn = __old_begin + __n;
|
|
__move_construct_backward_and_check(__old_begin, __obn, __i, __vt);
|
|
if (__n < __pos)
|
|
__old_begin = __move_and_check(__obn, __old_begin + __pos, __old_begin, __vt);
|
|
_VSTD::fill_n(__old_begin, __n, *__vt);
|
|
}
|
|
}
|
|
else
|
|
{ // insert by shifting things forward
|
|
size_type __back_capacity = __back_spare();
|
|
if (__n > __back_capacity)
|
|
__add_back_capacity(__n - __back_capacity);
|
|
// __n <= __back_capacity
|
|
size_type __old_n = __n;
|
|
iterator __old_end = __base::end();
|
|
iterator __i = __old_end;
|
|
size_type __de = __base::size() - __pos;
|
|
if (__n > __de)
|
|
{
|
|
for (size_type __m = __n - __de; __m; --__m, ++__i, ++__base::size())
|
|
__alloc_traits::construct(__a, _VSTD::addressof(*__i), __v);
|
|
__n = __de;
|
|
}
|
|
if (__n > 0)
|
|
{
|
|
const_pointer __vt = pointer_traits<const_pointer>::pointer_to(__v);
|
|
iterator __oen = __old_end - __n;
|
|
__move_construct_and_check(__oen, __old_end, __i, __vt);
|
|
if (__n < __de)
|
|
__old_end = __move_backward_and_check(__old_end - __de, __oen, __old_end, __vt);
|
|
_VSTD::fill_n(__old_end - __n, __n, *__vt);
|
|
}
|
|
}
|
|
return __base::begin() + __pos;
|
|
}
|
|
|
|
template <class _Tp, class _Allocator>
|
|
template <class _InputIter>
|
|
typename deque<_Tp, _Allocator>::iterator
|
|
deque<_Tp, _Allocator>::insert(const_iterator __p, _InputIter __f, _InputIter __l,
|
|
typename enable_if<__is_input_iterator<_InputIter>::value
|
|
&&!__is_bidirectional_iterator<_InputIter>::value>::type*)
|
|
{
|
|
__split_buffer<value_type, allocator_type&> __buf(__base::__alloc());
|
|
__buf.__construct_at_end(__f, __l);
|
|
typedef typename __split_buffer<value_type, allocator_type&>::iterator __bi;
|
|
return insert(__p, move_iterator<__bi>(__buf.begin()), move_iterator<__bi>(__buf.end()));
|
|
}
|
|
|
|
template <class _Tp, class _Allocator>
|
|
template <class _BiIter>
|
|
typename deque<_Tp, _Allocator>::iterator
|
|
deque<_Tp, _Allocator>::insert(const_iterator __p, _BiIter __f, _BiIter __l,
|
|
typename enable_if<__is_bidirectional_iterator<_BiIter>::value>::type*)
|
|
{
|
|
size_type __n = _VSTD::distance(__f, __l);
|
|
size_type __pos = __p - __base::begin();
|
|
size_type __to_end = __base::size() - __pos;
|
|
allocator_type& __a = __base::__alloc();
|
|
if (__pos < __to_end)
|
|
{ // insert by shifting things backward
|
|
if (__n > __front_spare())
|
|
__add_front_capacity(__n - __front_spare());
|
|
// __n <= __front_spare()
|
|
size_type __old_n = __n;
|
|
iterator __old_begin = __base::begin();
|
|
iterator __i = __old_begin;
|
|
_BiIter __m = __f;
|
|
if (__n > __pos)
|
|
{
|
|
__m = __pos < __n / 2 ? _VSTD::prev(__l, __pos) : _VSTD::next(__f, __n - __pos);
|
|
for (_BiIter __j = __m; __j != __f; --__base::__start_, ++__base::size())
|
|
__alloc_traits::construct(__a, _VSTD::addressof(*--__i), *--__j);
|
|
__n = __pos;
|
|
}
|
|
if (__n > 0)
|
|
{
|
|
iterator __obn = __old_begin + __n;
|
|
for (iterator __j = __obn; __j != __old_begin;)
|
|
{
|
|
__alloc_traits::construct(__a, _VSTD::addressof(*--__i), _VSTD::move(*--__j));
|
|
--__base::__start_;
|
|
++__base::size();
|
|
}
|
|
if (__n < __pos)
|
|
__old_begin = _VSTD::move(__obn, __old_begin + __pos, __old_begin);
|
|
_VSTD::copy(__m, __l, __old_begin);
|
|
}
|
|
}
|
|
else
|
|
{ // insert by shifting things forward
|
|
size_type __back_capacity = __back_spare();
|
|
if (__n > __back_capacity)
|
|
__add_back_capacity(__n - __back_capacity);
|
|
// __n <= __back_capacity
|
|
size_type __old_n = __n;
|
|
iterator __old_end = __base::end();
|
|
iterator __i = __old_end;
|
|
_BiIter __m = __l;
|
|
size_type __de = __base::size() - __pos;
|
|
if (__n > __de)
|
|
{
|
|
__m = __de < __n / 2 ? _VSTD::next(__f, __de) : _VSTD::prev(__l, __n - __de);
|
|
for (_BiIter __j = __m; __j != __l; ++__i, ++__j, ++__base::size())
|
|
__alloc_traits::construct(__a, _VSTD::addressof(*__i), *__j);
|
|
__n = __de;
|
|
}
|
|
if (__n > 0)
|
|
{
|
|
iterator __oen = __old_end - __n;
|
|
for (iterator __j = __oen; __j != __old_end; ++__i, ++__j, ++__base::size())
|
|
__alloc_traits::construct(__a, _VSTD::addressof(*__i), _VSTD::move(*__j));
|
|
if (__n < __de)
|
|
__old_end = _VSTD::move_backward(__old_end - __de, __oen, __old_end);
|
|
_VSTD::copy_backward(__f, __m, __old_end);
|
|
}
|
|
}
|
|
return __base::begin() + __pos;
|
|
}
|
|
|
|
template <class _Tp, class _Allocator>
|
|
template <class _InpIter>
|
|
void
|
|
deque<_Tp, _Allocator>::__append(_InpIter __f, _InpIter __l,
|
|
typename enable_if<__is_input_iterator<_InpIter>::value &&
|
|
!__is_forward_iterator<_InpIter>::value>::type*)
|
|
{
|
|
for (; __f != __l; ++__f)
|
|
push_back(*__f);
|
|
}
|
|
|
|
template <class _Tp, class _Allocator>
|
|
template <class _ForIter>
|
|
void
|
|
deque<_Tp, _Allocator>::__append(_ForIter __f, _ForIter __l,
|
|
typename enable_if<__is_forward_iterator<_ForIter>::value>::type*)
|
|
{
|
|
size_type __n = _VSTD::distance(__f, __l);
|
|
allocator_type& __a = __base::__alloc();
|
|
size_type __back_capacity = __back_spare();
|
|
if (__n > __back_capacity)
|
|
__add_back_capacity(__n - __back_capacity);
|
|
// __n <= __back_capacity
|
|
for (iterator __i = __base::end(); __f != __l; ++__i, ++__f, ++__base::size())
|
|
__alloc_traits::construct(__a, _VSTD::addressof(*__i), *__f);
|
|
}
|
|
|
|
template <class _Tp, class _Allocator>
|
|
void
|
|
deque<_Tp, _Allocator>::__append(size_type __n)
|
|
{
|
|
allocator_type& __a = __base::__alloc();
|
|
size_type __back_capacity = __back_spare();
|
|
if (__n > __back_capacity)
|
|
__add_back_capacity(__n - __back_capacity);
|
|
// __n <= __back_capacity
|
|
for (iterator __i = __base::end(); __n; --__n, ++__i, ++__base::size())
|
|
__alloc_traits::construct(__a, _VSTD::addressof(*__i));
|
|
}
|
|
|
|
template <class _Tp, class _Allocator>
|
|
void
|
|
deque<_Tp, _Allocator>::__append(size_type __n, const value_type& __v)
|
|
{
|
|
allocator_type& __a = __base::__alloc();
|
|
size_type __back_capacity = __back_spare();
|
|
if (__n > __back_capacity)
|
|
__add_back_capacity(__n - __back_capacity);
|
|
// __n <= __back_capacity
|
|
for (iterator __i = __base::end(); __n; --__n, ++__i, ++__base::size())
|
|
__alloc_traits::construct(__a, _VSTD::addressof(*__i), __v);
|
|
}
|
|
|
|
// Create front capacity for one block of elements.
|
|
// Strong guarantee. Either do it or don't touch anything.
|
|
template <class _Tp, class _Allocator>
|
|
void
|
|
deque<_Tp, _Allocator>::__add_front_capacity()
|
|
{
|
|
allocator_type& __a = __base::__alloc();
|
|
if (__back_spare() >= __base::__block_size)
|
|
{
|
|
__base::__start_ += __base::__block_size;
|
|
pointer __pt = __base::__map_.back();
|
|
__base::__map_.pop_back();
|
|
__base::__map_.push_front(__pt);
|
|
}
|
|
// Else if __base::__map_.size() < __base::__map_.capacity() then we need to allocate 1 buffer
|
|
else if (__base::__map_.size() < __base::__map_.capacity())
|
|
{ // we can put the new buffer into the map, but don't shift things around
|
|
// until all buffers are allocated. If we throw, we don't need to fix
|
|
// anything up (any added buffers are undetectible)
|
|
if (__base::__map_.__front_spare() > 0)
|
|
__base::__map_.push_front(__alloc_traits::allocate(__a, __base::__block_size));
|
|
else
|
|
{
|
|
__base::__map_.push_back(__alloc_traits::allocate(__a, __base::__block_size));
|
|
// Done allocating, reorder capacity
|
|
pointer __pt = __base::__map_.back();
|
|
__base::__map_.pop_back();
|
|
__base::__map_.push_front(__pt);
|
|
}
|
|
__base::__start_ = __base::__map_.size() == 1 ?
|
|
__base::__block_size / 2 :
|
|
__base::__start_ + __base::__block_size;
|
|
}
|
|
// Else need to allocate 1 buffer, *and* we need to reallocate __map_.
|
|
else
|
|
{
|
|
__split_buffer<pointer, typename __base::__pointer_allocator&>
|
|
__buf(max<size_type>(2 * __base::__map_.capacity(), 1),
|
|
0, __base::__map_.__alloc());
|
|
#ifndef _LIBCPP_NO_EXCEPTIONS
|
|
try
|
|
{
|
|
#endif // _LIBCPP_NO_EXCEPTIONS
|
|
__buf.push_back(__alloc_traits::allocate(__a, __base::__block_size));
|
|
#ifndef _LIBCPP_NO_EXCEPTIONS
|
|
}
|
|
catch (...)
|
|
{
|
|
__alloc_traits::deallocate(__a, __buf.front(), __base::__block_size);
|
|
throw;
|
|
}
|
|
#endif // _LIBCPP_NO_EXCEPTIONS
|
|
for (typename __base::__map_pointer __i = __base::__map_.begin();
|
|
__i != __base::__map_.end(); ++__i)
|
|
__buf.push_back(*__i);
|
|
_VSTD::swap(__base::__map_.__first_, __buf.__first_);
|
|
_VSTD::swap(__base::__map_.__begin_, __buf.__begin_);
|
|
_VSTD::swap(__base::__map_.__end_, __buf.__end_);
|
|
_VSTD::swap(__base::__map_.__end_cap(), __buf.__end_cap());
|
|
__base::__start_ = __base::__map_.size() == 1 ?
|
|
__base::__block_size / 2 :
|
|
__base::__start_ + __base::__block_size;
|
|
}
|
|
}
|
|
|
|
// Create front capacity for __n elements.
|
|
// Strong guarantee. Either do it or don't touch anything.
|
|
template <class _Tp, class _Allocator>
|
|
void
|
|
deque<_Tp, _Allocator>::__add_front_capacity(size_type __n)
|
|
{
|
|
allocator_type& __a = __base::__alloc();
|
|
size_type __nb = __recommend_blocks(__n + __base::__map_.empty());
|
|
// Number of unused blocks at back:
|
|
size_type __back_capacity = __back_spare() / __base::__block_size;
|
|
__back_capacity = _VSTD::min(__back_capacity, __nb); // don't take more than you need
|
|
__nb -= __back_capacity; // number of blocks need to allocate
|
|
// If __nb == 0, then we have sufficient capacity.
|
|
if (__nb == 0)
|
|
{
|
|
__base::__start_ += __base::__block_size * __back_capacity;
|
|
for (; __back_capacity > 0; --__back_capacity)
|
|
{
|
|
pointer __pt = __base::__map_.back();
|
|
__base::__map_.pop_back();
|
|
__base::__map_.push_front(__pt);
|
|
}
|
|
}
|
|
// Else if __nb <= __map_.capacity() - __map_.size() then we need to allocate __nb buffers
|
|
else if (__nb <= __base::__map_.capacity() - __base::__map_.size())
|
|
{ // we can put the new buffers into the map, but don't shift things around
|
|
// until all buffers are allocated. If we throw, we don't need to fix
|
|
// anything up (any added buffers are undetectible)
|
|
for (; __nb > 0; --__nb, __base::__start_ += __base::__block_size - (__base::__map_.size() == 1))
|
|
{
|
|
if (__base::__map_.__front_spare() == 0)
|
|
break;
|
|
__base::__map_.push_front(__alloc_traits::allocate(__a, __base::__block_size));
|
|
}
|
|
for (; __nb > 0; --__nb, ++__back_capacity)
|
|
__base::__map_.push_back(__alloc_traits::allocate(__a, __base::__block_size));
|
|
// Done allocating, reorder capacity
|
|
__base::__start_ += __back_capacity * __base::__block_size;
|
|
for (; __back_capacity > 0; --__back_capacity)
|
|
{
|
|
pointer __pt = __base::__map_.back();
|
|
__base::__map_.pop_back();
|
|
__base::__map_.push_front(__pt);
|
|
}
|
|
}
|
|
// Else need to allocate __nb buffers, *and* we need to reallocate __map_.
|
|
else
|
|
{
|
|
size_type __ds = (__nb + __back_capacity) * __base::__block_size - __base::__map_.empty();
|
|
__split_buffer<pointer, typename __base::__pointer_allocator&>
|
|
__buf(max<size_type>(2* __base::__map_.capacity(),
|
|
__nb + __base::__map_.size()),
|
|
0, __base::__map_.__alloc());
|
|
#ifndef _LIBCPP_NO_EXCEPTIONS
|
|
try
|
|
{
|
|
#endif // _LIBCPP_NO_EXCEPTIONS
|
|
for (; __nb > 0; --__nb)
|
|
__buf.push_back(__alloc_traits::allocate(__a, __base::__block_size));
|
|
#ifndef _LIBCPP_NO_EXCEPTIONS
|
|
}
|
|
catch (...)
|
|
{
|
|
for (typename __base::__map_pointer __i = __buf.begin();
|
|
__i != __buf.end(); ++__i)
|
|
__alloc_traits::deallocate(__a, *__i, __base::__block_size);
|
|
throw;
|
|
}
|
|
#endif // _LIBCPP_NO_EXCEPTIONS
|
|
for (; __back_capacity > 0; --__back_capacity)
|
|
{
|
|
__buf.push_back(__base::__map_.back());
|
|
__base::__map_.pop_back();
|
|
}
|
|
for (typename __base::__map_pointer __i = __base::__map_.begin();
|
|
__i != __base::__map_.end(); ++__i)
|
|
__buf.push_back(*__i);
|
|
_VSTD::swap(__base::__map_.__first_, __buf.__first_);
|
|
_VSTD::swap(__base::__map_.__begin_, __buf.__begin_);
|
|
_VSTD::swap(__base::__map_.__end_, __buf.__end_);
|
|
_VSTD::swap(__base::__map_.__end_cap(), __buf.__end_cap());
|
|
__base::__start_ += __ds;
|
|
}
|
|
}
|
|
|
|
// Create back capacity for one block of elements.
|
|
// Strong guarantee. Either do it or don't touch anything.
|
|
template <class _Tp, class _Allocator>
|
|
void
|
|
deque<_Tp, _Allocator>::__add_back_capacity()
|
|
{
|
|
allocator_type& __a = __base::__alloc();
|
|
if (__front_spare() >= __base::__block_size)
|
|
{
|
|
__base::__start_ -= __base::__block_size;
|
|
pointer __pt = __base::__map_.front();
|
|
__base::__map_.pop_front();
|
|
__base::__map_.push_back(__pt);
|
|
}
|
|
// Else if __nb <= __map_.capacity() - __map_.size() then we need to allocate __nb buffers
|
|
else if (__base::__map_.size() < __base::__map_.capacity())
|
|
{ // we can put the new buffer into the map, but don't shift things around
|
|
// until it is allocated. If we throw, we don't need to fix
|
|
// anything up (any added buffers are undetectible)
|
|
if (__base::__map_.__back_spare() != 0)
|
|
__base::__map_.push_back(__alloc_traits::allocate(__a, __base::__block_size));
|
|
else
|
|
{
|
|
__base::__map_.push_front(__alloc_traits::allocate(__a, __base::__block_size));
|
|
// Done allocating, reorder capacity
|
|
pointer __pt = __base::__map_.front();
|
|
__base::__map_.pop_front();
|
|
__base::__map_.push_back(__pt);
|
|
}
|
|
}
|
|
// Else need to allocate 1 buffer, *and* we need to reallocate __map_.
|
|
else
|
|
{
|
|
__split_buffer<pointer, typename __base::__pointer_allocator&>
|
|
__buf(max<size_type>(2* __base::__map_.capacity(), 1),
|
|
__base::__map_.size(),
|
|
__base::__map_.__alloc());
|
|
#ifndef _LIBCPP_NO_EXCEPTIONS
|
|
try
|
|
{
|
|
#endif // _LIBCPP_NO_EXCEPTIONS
|
|
__buf.push_back(__alloc_traits::allocate(__a, __base::__block_size));
|
|
#ifndef _LIBCPP_NO_EXCEPTIONS
|
|
}
|
|
catch (...)
|
|
{
|
|
__alloc_traits::deallocate(__a, __buf.back(), __base::__block_size);
|
|
throw;
|
|
}
|
|
#endif // _LIBCPP_NO_EXCEPTIONS
|
|
for (typename __base::__map_pointer __i = __base::__map_.end();
|
|
__i != __base::__map_.begin();)
|
|
__buf.push_front(*--__i);
|
|
_VSTD::swap(__base::__map_.__first_, __buf.__first_);
|
|
_VSTD::swap(__base::__map_.__begin_, __buf.__begin_);
|
|
_VSTD::swap(__base::__map_.__end_, __buf.__end_);
|
|
_VSTD::swap(__base::__map_.__end_cap(), __buf.__end_cap());
|
|
}
|
|
}
|
|
|
|
// Create back capacity for __n elements.
|
|
// Strong guarantee. Either do it or don't touch anything.
|
|
template <class _Tp, class _Allocator>
|
|
void
|
|
deque<_Tp, _Allocator>::__add_back_capacity(size_type __n)
|
|
{
|
|
allocator_type& __a = __base::__alloc();
|
|
size_type __nb = __recommend_blocks(__n + __base::__map_.empty());
|
|
// Number of unused blocks at front:
|
|
size_type __front_capacity = __front_spare() / __base::__block_size;
|
|
__front_capacity = _VSTD::min(__front_capacity, __nb); // don't take more than you need
|
|
__nb -= __front_capacity; // number of blocks need to allocate
|
|
// If __nb == 0, then we have sufficient capacity.
|
|
if (__nb == 0)
|
|
{
|
|
__base::__start_ -= __base::__block_size * __front_capacity;
|
|
for (; __front_capacity > 0; --__front_capacity)
|
|
{
|
|
pointer __pt = __base::__map_.front();
|
|
__base::__map_.pop_front();
|
|
__base::__map_.push_back(__pt);
|
|
}
|
|
}
|
|
// Else if __nb <= __map_.capacity() - __map_.size() then we need to allocate __nb buffers
|
|
else if (__nb <= __base::__map_.capacity() - __base::__map_.size())
|
|
{ // we can put the new buffers into the map, but don't shift things around
|
|
// until all buffers are allocated. If we throw, we don't need to fix
|
|
// anything up (any added buffers are undetectible)
|
|
for (; __nb > 0; --__nb)
|
|
{
|
|
if (__base::__map_.__back_spare() == 0)
|
|
break;
|
|
__base::__map_.push_back(__alloc_traits::allocate(__a, __base::__block_size));
|
|
}
|
|
for (; __nb > 0; --__nb, ++__front_capacity, __base::__start_ +=
|
|
__base::__block_size - (__base::__map_.size() == 1))
|
|
__base::__map_.push_front(__alloc_traits::allocate(__a, __base::__block_size));
|
|
// Done allocating, reorder capacity
|
|
__base::__start_ -= __base::__block_size * __front_capacity;
|
|
for (; __front_capacity > 0; --__front_capacity)
|
|
{
|
|
pointer __pt = __base::__map_.front();
|
|
__base::__map_.pop_front();
|
|
__base::__map_.push_back(__pt);
|
|
}
|
|
}
|
|
// Else need to allocate __nb buffers, *and* we need to reallocate __map_.
|
|
else
|
|
{
|
|
size_type __ds = __front_capacity * __base::__block_size;
|
|
__split_buffer<pointer, typename __base::__pointer_allocator&>
|
|
__buf(max<size_type>(2* __base::__map_.capacity(),
|
|
__nb + __base::__map_.size()),
|
|
__base::__map_.size() - __front_capacity,
|
|
__base::__map_.__alloc());
|
|
#ifndef _LIBCPP_NO_EXCEPTIONS
|
|
try
|
|
{
|
|
#endif // _LIBCPP_NO_EXCEPTIONS
|
|
for (; __nb > 0; --__nb)
|
|
__buf.push_back(__alloc_traits::allocate(__a, __base::__block_size));
|
|
#ifndef _LIBCPP_NO_EXCEPTIONS
|
|
}
|
|
catch (...)
|
|
{
|
|
for (typename __base::__map_pointer __i = __buf.begin();
|
|
__i != __buf.end(); ++__i)
|
|
__alloc_traits::deallocate(__a, *__i, __base::__block_size);
|
|
throw;
|
|
}
|
|
#endif // _LIBCPP_NO_EXCEPTIONS
|
|
for (; __front_capacity > 0; --__front_capacity)
|
|
{
|
|
__buf.push_back(__base::__map_.front());
|
|
__base::__map_.pop_front();
|
|
}
|
|
for (typename __base::__map_pointer __i = __base::__map_.end();
|
|
__i != __base::__map_.begin();)
|
|
__buf.push_front(*--__i);
|
|
_VSTD::swap(__base::__map_.__first_, __buf.__first_);
|
|
_VSTD::swap(__base::__map_.__begin_, __buf.__begin_);
|
|
_VSTD::swap(__base::__map_.__end_, __buf.__end_);
|
|
_VSTD::swap(__base::__map_.__end_cap(), __buf.__end_cap());
|
|
__base::__start_ -= __ds;
|
|
}
|
|
}
|
|
|
|
template <class _Tp, class _Allocator>
|
|
void
|
|
deque<_Tp, _Allocator>::pop_front()
|
|
{
|
|
allocator_type& __a = __base::__alloc();
|
|
__alloc_traits::destroy(__a, __to_raw_pointer(*(__base::__map_.begin() +
|
|
__base::__start_ / __base::__block_size) +
|
|
__base::__start_ % __base::__block_size));
|
|
--__base::size();
|
|
if (++__base::__start_ >= 2 * __base::__block_size)
|
|
{
|
|
__alloc_traits::deallocate(__a, __base::__map_.front(), __base::__block_size);
|
|
__base::__map_.pop_front();
|
|
__base::__start_ -= __base::__block_size;
|
|
}
|
|
}
|
|
|
|
template <class _Tp, class _Allocator>
|
|
void
|
|
deque<_Tp, _Allocator>::pop_back()
|
|
{
|
|
allocator_type& __a = __base::__alloc();
|
|
size_type __p = __base::size() + __base::__start_ - 1;
|
|
__alloc_traits::destroy(__a, __to_raw_pointer(*(__base::__map_.begin() +
|
|
__p / __base::__block_size) +
|
|
__p % __base::__block_size));
|
|
--__base::size();
|
|
if (__back_spare() >= 2 * __base::__block_size)
|
|
{
|
|
__alloc_traits::deallocate(__a, __base::__map_.back(), __base::__block_size);
|
|
__base::__map_.pop_back();
|
|
}
|
|
}
|
|
|
|
// move assign [__f, __l) to [__r, __r + (__l-__f)).
|
|
// If __vt points into [__f, __l), then subtract (__f - __r) from __vt.
|
|
template <class _Tp, class _Allocator>
|
|
typename deque<_Tp, _Allocator>::iterator
|
|
deque<_Tp, _Allocator>::__move_and_check(iterator __f, iterator __l, iterator __r,
|
|
const_pointer& __vt)
|
|
{
|
|
// as if
|
|
// for (; __f != __l; ++__f, ++__r)
|
|
// *__r = _VSTD::move(*__f);
|
|
difference_type __n = __l - __f;
|
|
while (__n > 0)
|
|
{
|
|
pointer __fb = __f.__ptr_;
|
|
pointer __fe = *__f.__m_iter_ + __base::__block_size;
|
|
difference_type __bs = __fe - __fb;
|
|
if (__bs > __n)
|
|
{
|
|
__bs = __n;
|
|
__fe = __fb + __bs;
|
|
}
|
|
if (__fb <= __vt && __vt < __fe)
|
|
__vt = (const_iterator(static_cast<__map_const_pointer>(__f.__m_iter_), __vt) -= __f - __r).__ptr_;
|
|
__r = _VSTD::move(__fb, __fe, __r);
|
|
__n -= __bs;
|
|
__f += __bs;
|
|
}
|
|
return __r;
|
|
}
|
|
|
|
// move assign [__f, __l) to [__r - (__l-__f), __r) backwards.
|
|
// If __vt points into [__f, __l), then add (__r - __l) to __vt.
|
|
template <class _Tp, class _Allocator>
|
|
typename deque<_Tp, _Allocator>::iterator
|
|
deque<_Tp, _Allocator>::__move_backward_and_check(iterator __f, iterator __l, iterator __r,
|
|
const_pointer& __vt)
|
|
{
|
|
// as if
|
|
// while (__f != __l)
|
|
// *--__r = _VSTD::move(*--__l);
|
|
difference_type __n = __l - __f;
|
|
while (__n > 0)
|
|
{
|
|
--__l;
|
|
pointer __lb = *__l.__m_iter_;
|
|
pointer __le = __l.__ptr_ + 1;
|
|
difference_type __bs = __le - __lb;
|
|
if (__bs > __n)
|
|
{
|
|
__bs = __n;
|
|
__lb = __le - __bs;
|
|
}
|
|
if (__lb <= __vt && __vt < __le)
|
|
__vt = (const_iterator(static_cast<__map_const_pointer>(__l.__m_iter_), __vt) += __r - __l - 1).__ptr_;
|
|
__r = _VSTD::move_backward(__lb, __le, __r);
|
|
__n -= __bs;
|
|
__l -= __bs - 1;
|
|
}
|
|
return __r;
|
|
}
|
|
|
|
// move construct [__f, __l) to [__r, __r + (__l-__f)).
|
|
// If __vt points into [__f, __l), then add (__r - __f) to __vt.
|
|
template <class _Tp, class _Allocator>
|
|
void
|
|
deque<_Tp, _Allocator>::__move_construct_and_check(iterator __f, iterator __l,
|
|
iterator __r, const_pointer& __vt)
|
|
{
|
|
allocator_type& __a = __base::__alloc();
|
|
// as if
|
|
// for (; __f != __l; ++__r, ++__f, ++__base::size())
|
|
// __alloc_traits::construct(__a, _VSTD::addressof(*__r), _VSTD::move(*__f));
|
|
difference_type __n = __l - __f;
|
|
while (__n > 0)
|
|
{
|
|
pointer __fb = __f.__ptr_;
|
|
pointer __fe = *__f.__m_iter_ + __base::__block_size;
|
|
difference_type __bs = __fe - __fb;
|
|
if (__bs > __n)
|
|
{
|
|
__bs = __n;
|
|
__fe = __fb + __bs;
|
|
}
|
|
if (__fb <= __vt && __vt < __fe)
|
|
__vt = (const_iterator(static_cast<__map_const_pointer>(__f.__m_iter_), __vt) += __r - __f).__ptr_;
|
|
for (; __fb != __fe; ++__fb, ++__r, ++__base::size())
|
|
__alloc_traits::construct(__a, _VSTD::addressof(*__r), _VSTD::move(*__fb));
|
|
__n -= __bs;
|
|
__f += __bs;
|
|
}
|
|
}
|
|
|
|
// move construct [__f, __l) to [__r - (__l-__f), __r) backwards.
|
|
// If __vt points into [__f, __l), then subtract (__l - __r) from __vt.
|
|
template <class _Tp, class _Allocator>
|
|
void
|
|
deque<_Tp, _Allocator>::__move_construct_backward_and_check(iterator __f, iterator __l,
|
|
iterator __r, const_pointer& __vt)
|
|
{
|
|
allocator_type& __a = __base::__alloc();
|
|
// as if
|
|
// for (iterator __j = __l; __j != __f;)
|
|
// {
|
|
// __alloc_traitsconstruct(__a, _VSTD::addressof(*--__r), _VSTD::move(*--__j));
|
|
// --__base::__start_;
|
|
// ++__base::size();
|
|
// }
|
|
difference_type __n = __l - __f;
|
|
while (__n > 0)
|
|
{
|
|
--__l;
|
|
pointer __lb = *__l.__m_iter_;
|
|
pointer __le = __l.__ptr_ + 1;
|
|
difference_type __bs = __le - __lb;
|
|
if (__bs > __n)
|
|
{
|
|
__bs = __n;
|
|
__lb = __le - __bs;
|
|
}
|
|
if (__lb <= __vt && __vt < __le)
|
|
__vt = (const_iterator(static_cast<__map_const_pointer>(__l.__m_iter_), __vt) -= __l - __r + 1).__ptr_;
|
|
while (__le != __lb)
|
|
{
|
|
__alloc_traits::construct(__a, _VSTD::addressof(*--__r), _VSTD::move(*--__le));
|
|
--__base::__start_;
|
|
++__base::size();
|
|
}
|
|
__n -= __bs;
|
|
__l -= __bs - 1;
|
|
}
|
|
}
|
|
|
|
template <class _Tp, class _Allocator>
|
|
typename deque<_Tp, _Allocator>::iterator
|
|
deque<_Tp, _Allocator>::erase(const_iterator __f)
|
|
{
|
|
difference_type __n = 1;
|
|
iterator __b = __base::begin();
|
|
difference_type __pos = __f - __b;
|
|
iterator __p = __b + __pos;
|
|
allocator_type& __a = __base::__alloc();
|
|
if (__pos < (__base::size() - 1) / 2)
|
|
{ // erase from front
|
|
_VSTD::move_backward(__b, __p, _VSTD::next(__p));
|
|
__alloc_traits::destroy(__a, _VSTD::addressof(*__b));
|
|
--__base::size();
|
|
++__base::__start_;
|
|
if (__front_spare() >= 2 * __base::__block_size)
|
|
{
|
|
__alloc_traits::deallocate(__a, __base::__map_.front(), __base::__block_size);
|
|
__base::__map_.pop_front();
|
|
__base::__start_ -= __base::__block_size;
|
|
}
|
|
}
|
|
else
|
|
{ // erase from back
|
|
iterator __i = _VSTD::move(_VSTD::next(__p), __base::end(), __p);
|
|
__alloc_traits::destroy(__a, _VSTD::addressof(*__i));
|
|
--__base::size();
|
|
if (__back_spare() >= 2 * __base::__block_size)
|
|
{
|
|
__alloc_traits::deallocate(__a, __base::__map_.back(), __base::__block_size);
|
|
__base::__map_.pop_back();
|
|
}
|
|
}
|
|
return __base::begin() + __pos;
|
|
}
|
|
|
|
template <class _Tp, class _Allocator>
|
|
typename deque<_Tp, _Allocator>::iterator
|
|
deque<_Tp, _Allocator>::erase(const_iterator __f, const_iterator __l)
|
|
{
|
|
difference_type __n = __l - __f;
|
|
iterator __b = __base::begin();
|
|
difference_type __pos = __f - __b;
|
|
iterator __p = __b + __pos;
|
|
if (__n > 0)
|
|
{
|
|
allocator_type& __a = __base::__alloc();
|
|
if (__pos < (__base::size() - __n) / 2)
|
|
{ // erase from front
|
|
iterator __i = _VSTD::move_backward(__b, __p, __p + __n);
|
|
for (; __b != __i; ++__b)
|
|
__alloc_traits::destroy(__a, _VSTD::addressof(*__b));
|
|
__base::size() -= __n;
|
|
__base::__start_ += __n;
|
|
while (__front_spare() >= 2 * __base::__block_size)
|
|
{
|
|
__alloc_traits::deallocate(__a, __base::__map_.front(), __base::__block_size);
|
|
__base::__map_.pop_front();
|
|
__base::__start_ -= __base::__block_size;
|
|
}
|
|
}
|
|
else
|
|
{ // erase from back
|
|
iterator __i = _VSTD::move(__p + __n, __base::end(), __p);
|
|
for (iterator __e = __base::end(); __i != __e; ++__i)
|
|
__alloc_traits::destroy(__a, _VSTD::addressof(*__i));
|
|
__base::size() -= __n;
|
|
while (__back_spare() >= 2 * __base::__block_size)
|
|
{
|
|
__alloc_traits::deallocate(__a, __base::__map_.back(), __base::__block_size);
|
|
__base::__map_.pop_back();
|
|
}
|
|
}
|
|
}
|
|
return __base::begin() + __pos;
|
|
}
|
|
|
|
template <class _Tp, class _Allocator>
|
|
void
|
|
deque<_Tp, _Allocator>::__erase_to_end(const_iterator __f)
|
|
{
|
|
iterator __e = __base::end();
|
|
difference_type __n = __e - __f;
|
|
if (__n > 0)
|
|
{
|
|
allocator_type& __a = __base::__alloc();
|
|
iterator __b = __base::begin();
|
|
difference_type __pos = __f - __b;
|
|
for (iterator __p = __b + __pos; __p != __e; ++__p)
|
|
__alloc_traits::destroy(__a, _VSTD::addressof(*__p));
|
|
__base::size() -= __n;
|
|
while (__back_spare() >= 2 * __base::__block_size)
|
|
{
|
|
__alloc_traits::deallocate(__a, __base::__map_.back(), __base::__block_size);
|
|
__base::__map_.pop_back();
|
|
}
|
|
}
|
|
}
|
|
|
|
template <class _Tp, class _Allocator>
|
|
inline _LIBCPP_INLINE_VISIBILITY
|
|
void
|
|
deque<_Tp, _Allocator>::swap(deque& __c)
|
|
_NOEXCEPT_(!__alloc_traits::propagate_on_container_swap::value ||
|
|
__is_nothrow_swappable<allocator_type>::value)
|
|
{
|
|
__base::swap(__c);
|
|
}
|
|
|
|
template <class _Tp, class _Allocator>
|
|
inline _LIBCPP_INLINE_VISIBILITY
|
|
void
|
|
deque<_Tp, _Allocator>::clear() _NOEXCEPT
|
|
{
|
|
__base::clear();
|
|
}
|
|
|
|
template <class _Tp, class _Allocator>
|
|
inline _LIBCPP_INLINE_VISIBILITY
|
|
bool
|
|
operator==(const deque<_Tp, _Allocator>& __x, const deque<_Tp, _Allocator>& __y)
|
|
{
|
|
const typename deque<_Tp, _Allocator>::size_type __sz = __x.size();
|
|
return __sz == __y.size() && _VSTD::equal(__x.begin(), __x.end(), __y.begin());
|
|
}
|
|
|
|
template <class _Tp, class _Allocator>
|
|
inline _LIBCPP_INLINE_VISIBILITY
|
|
bool
|
|
operator!=(const deque<_Tp, _Allocator>& __x, const deque<_Tp, _Allocator>& __y)
|
|
{
|
|
return !(__x == __y);
|
|
}
|
|
|
|
template <class _Tp, class _Allocator>
|
|
inline _LIBCPP_INLINE_VISIBILITY
|
|
bool
|
|
operator< (const deque<_Tp, _Allocator>& __x, const deque<_Tp, _Allocator>& __y)
|
|
{
|
|
return _VSTD::lexicographical_compare(__x.begin(), __x.end(), __y.begin(), __y.end());
|
|
}
|
|
|
|
template <class _Tp, class _Allocator>
|
|
inline _LIBCPP_INLINE_VISIBILITY
|
|
bool
|
|
operator> (const deque<_Tp, _Allocator>& __x, const deque<_Tp, _Allocator>& __y)
|
|
{
|
|
return __y < __x;
|
|
}
|
|
|
|
template <class _Tp, class _Allocator>
|
|
inline _LIBCPP_INLINE_VISIBILITY
|
|
bool
|
|
operator>=(const deque<_Tp, _Allocator>& __x, const deque<_Tp, _Allocator>& __y)
|
|
{
|
|
return !(__x < __y);
|
|
}
|
|
|
|
template <class _Tp, class _Allocator>
|
|
inline _LIBCPP_INLINE_VISIBILITY
|
|
bool
|
|
operator<=(const deque<_Tp, _Allocator>& __x, const deque<_Tp, _Allocator>& __y)
|
|
{
|
|
return !(__y < __x);
|
|
}
|
|
|
|
template <class _Tp, class _Allocator>
|
|
inline _LIBCPP_INLINE_VISIBILITY
|
|
void
|
|
swap(deque<_Tp, _Allocator>& __x, deque<_Tp, _Allocator>& __y)
|
|
_NOEXCEPT_(_NOEXCEPT_(__x.swap(__y)))
|
|
{
|
|
__x.swap(__y);
|
|
}
|
|
|
|
_LIBCPP_END_NAMESPACE_STD
|
|
|
|
#endif // _LIBCPP_DEQUE
|