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llvm-capstone/libcxx/include/list
Howard Hinnant f750923161 Fix bug in __libcpp_db::__iterator_copy. Add debug test for swaping lists. 
llvm-svn: 178892
2013-04-05 17:58:52 +00:00

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// -*- C++ -*-
//===---------------------------- list ------------------------------------===//
//
// The LLVM Compiler Infrastructure
//
// This file is dual licensed under the MIT and the University of Illinois Open
// Source Licenses. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
#ifndef _LIBCPP_LIST
#define _LIBCPP_LIST
/*
list synopsis
namespace std
{
template <class T, class Alloc = allocator<T> >
class list
{
public:
// types:
typedef T value_type;
typedef Alloc allocator_type;
typedef typename allocator_type::reference reference;
typedef typename allocator_type::const_reference const_reference;
typedef typename allocator_type::pointer pointer;
typedef typename allocator_type::const_pointer const_pointer;
typedef implementation-defined iterator;
typedef implementation-defined const_iterator;
typedef implementation-defined size_type;
typedef implementation-defined difference_type;
typedef reverse_iterator<iterator> reverse_iterator;
typedef reverse_iterator<const_iterator> const_reverse_iterator;
list()
noexcept(is_nothrow_default_constructible<allocator_type>::value);
explicit list(const allocator_type& a);
explicit list(size_type n);
list(size_type n, const value_type& value);
list(size_type n, const value_type& value, const allocator_type& a);
template <class Iter>
list(Iter first, Iter last);
template <class Iter>
list(Iter first, Iter last, const allocator_type& a);
list(const list& x);
list(const list&, const allocator_type& a);
list(list&& x)
noexcept(is_nothrow_move_constructible<allocator_type>::value);
list(list&&, const allocator_type& a);
list(initializer_list<value_type>);
list(initializer_list<value_type>, const allocator_type& a);
~list();
list& operator=(const list& x);
list& operator=(list&& x)
noexcept(
allocator_type::propagate_on_container_move_assignment::value &&
is_nothrow_move_assignable<allocator_type>::value);
list& operator=(initializer_list<value_type>);
template <class Iter>
void assign(Iter first, Iter last);
void assign(size_type n, const value_type& t);
void assign(initializer_list<value_type>);
allocator_type get_allocator() const noexcept;
iterator begin() noexcept;
const_iterator begin() const noexcept;
iterator end() noexcept;
const_iterator end() const noexcept;
reverse_iterator rbegin() noexcept;
const_reverse_iterator rbegin() const noexcept;
reverse_iterator rend() noexcept;
const_reverse_iterator rend() const noexcept;
const_iterator cbegin() const noexcept;
const_iterator cend() const noexcept;
const_reverse_iterator crbegin() const noexcept;
const_reverse_iterator crend() const noexcept;
reference front();
const_reference front() const;
reference back();
const_reference back() const;
bool empty() const noexcept;
size_type size() const noexcept;
size_type max_size() const noexcept;
template <class... Args>
void emplace_front(Args&&... args);
void pop_front();
template <class... Args>
void emplace_back(Args&&... args);
void pop_back();
void push_front(const value_type& x);
void push_front(value_type&& x);
void push_back(const value_type& x);
void push_back(value_type&& x);
template <class... Args>
iterator emplace(const_iterator position, Args&&... args);
iterator insert(const_iterator position, const value_type& x);
iterator insert(const_iterator position, value_type&& x);
iterator insert(const_iterator position, size_type n, const value_type& x);
template <class Iter>
iterator insert(const_iterator position, Iter first, Iter last);
iterator insert(const_iterator position, initializer_list<value_type> il);
iterator erase(const_iterator position);
iterator erase(const_iterator position, const_iterator last);
void resize(size_type sz);
void resize(size_type sz, const value_type& c);
void swap(list&)
noexcept(!allocator_type::propagate_on_container_swap::value ||
__is_nothrow_swappable<allocator_type>::value);
void clear() noexcept;
void splice(const_iterator position, list& x);
void splice(const_iterator position, list&& x);
void splice(const_iterator position, list& x, const_iterator i);
void splice(const_iterator position, list&& x, const_iterator i);
void splice(const_iterator position, list& x, const_iterator first,
const_iterator last);
void splice(const_iterator position, list&& x, const_iterator first,
const_iterator last);
void remove(const value_type& value);
template <class Pred> void remove_if(Pred pred);
void unique();
template <class BinaryPredicate>
void unique(BinaryPredicate binary_pred);
void merge(list& x);
void merge(list&& x);
template <class Compare>
void merge(list& x, Compare comp);
template <class Compare>
void merge(list&& x, Compare comp);
void sort();
template <class Compare>
void sort(Compare comp);
void reverse() noexcept;
};
template <class T, class Alloc>
bool operator==(const list<T,Alloc>& x, const list<T,Alloc>& y);
template <class T, class Alloc>
bool operator< (const list<T,Alloc>& x, const list<T,Alloc>& y);
template <class T, class Alloc>
bool operator!=(const list<T,Alloc>& x, const list<T,Alloc>& y);
template <class T, class Alloc>
bool operator> (const list<T,Alloc>& x, const list<T,Alloc>& y);
template <class T, class Alloc>
bool operator>=(const list<T,Alloc>& x, const list<T,Alloc>& y);
template <class T, class Alloc>
bool operator<=(const list<T,Alloc>& x, const list<T,Alloc>& y);
template <class T, class Alloc>
void swap(list<T,Alloc>& x, list<T,Alloc>& y)
noexcept(noexcept(x.swap(y)));
} // std
*/
#include <__config>
#include <memory>
#include <limits>
#include <initializer_list>
#include <iterator>
#include <algorithm>
#include <__undef_min_max>
#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
#pragma GCC system_header
#endif
_LIBCPP_BEGIN_NAMESPACE_STD
template <class _Tp, class _VoidPtr> struct __list_node;
template <class _Tp, class _VoidPtr>
struct __list_node_base
{
typedef typename pointer_traits<_VoidPtr>::template
#ifndef _LIBCPP_HAS_NO_TEMPLATE_ALIASES
rebind<__list_node<_Tp, _VoidPtr> > pointer;
#else
rebind<__list_node<_Tp, _VoidPtr> >::other pointer;
#endif
pointer __prev_;
pointer __next_;
_LIBCPP_INLINE_VISIBILITY
__list_node_base()
: __prev_(static_cast<pointer>(this)),
__next_(static_cast<pointer>(this))
{}
};
template <class _Tp, class _VoidPtr>
struct __list_node
: public __list_node_base<_Tp, _VoidPtr>
{
_Tp __value_;
};
template <class _Tp, class _Alloc> class _LIBCPP_TYPE_VIS list;
template <class _Tp, class _Alloc> class __list_imp;
template <class _Tp, class _VoidPtr> class _LIBCPP_TYPE_VIS __list_const_iterator;
template <class _Tp, class _VoidPtr>
class _LIBCPP_TYPE_VIS __list_iterator
{
typedef typename pointer_traits<_VoidPtr>::template
#ifndef _LIBCPP_HAS_NO_TEMPLATE_ALIASES
rebind<__list_node<_Tp, _VoidPtr> > __node_pointer;
#else
rebind<__list_node<_Tp, _VoidPtr> >::other __node_pointer;
#endif
__node_pointer __ptr_;
#if _LIBCPP_DEBUG_LEVEL >= 2
_LIBCPP_INLINE_VISIBILITY
explicit __list_iterator(__node_pointer __p, const void* __c) _NOEXCEPT
: __ptr_(__p)
{
__get_db()->__insert_ic(this, __c);
}
#else
_LIBCPP_INLINE_VISIBILITY
explicit __list_iterator(__node_pointer __p) _NOEXCEPT : __ptr_(__p) {}
#endif
template<class, class> friend class list;
template<class, class> friend class __list_imp;
template<class, class> friend class __list_const_iterator;
public:
typedef bidirectional_iterator_tag iterator_category;
typedef _Tp value_type;
typedef value_type& reference;
typedef typename pointer_traits<_VoidPtr>::template
#ifndef _LIBCPP_HAS_NO_TEMPLATE_ALIASES
rebind<value_type>
#else
rebind<value_type>::other
#endif
pointer;
typedef typename pointer_traits<pointer>::difference_type difference_type;
_LIBCPP_INLINE_VISIBILITY
__list_iterator() _NOEXCEPT
{
#if _LIBCPP_DEBUG_LEVEL >= 2
__get_db()->__insert_i(this);
#endif
}
#if _LIBCPP_DEBUG_LEVEL >= 2
_LIBCPP_INLINE_VISIBILITY
__list_iterator(const __list_iterator& __p)
: __ptr_(__p.__ptr_)
{
__get_db()->__iterator_copy(this, &__p);
}
_LIBCPP_INLINE_VISIBILITY
~__list_iterator()
{
__get_db()->__erase_i(this);
}
_LIBCPP_INLINE_VISIBILITY
__list_iterator& operator=(const __list_iterator& __p)
{
if (this != &__p)
{
__get_db()->__iterator_copy(this, &__p);
__ptr_ = __p.__ptr_;
}
return *this;
}
#endif // _LIBCPP_DEBUG_LEVEL >= 2
_LIBCPP_INLINE_VISIBILITY
reference operator*() const
{
#if _LIBCPP_DEBUG_LEVEL >= 2
_LIBCPP_ASSERT(__get_const_db()->__dereferenceable(this),
"Attempted to dereference a non-dereferenceable list::iterator");
#endif
return __ptr_->__value_;
}
_LIBCPP_INLINE_VISIBILITY
pointer operator->() const {return &(operator*());}
_LIBCPP_INLINE_VISIBILITY
__list_iterator& operator++()
{
#if _LIBCPP_DEBUG_LEVEL >= 2
_LIBCPP_ASSERT(__get_const_db()->__dereferenceable(this),
"Attempted to increment non-incrementable list::iterator");
#endif
__ptr_ = __ptr_->__next_;
return *this;
}
_LIBCPP_INLINE_VISIBILITY
__list_iterator operator++(int) {__list_iterator __t(*this); ++(*this); return __t;}
_LIBCPP_INLINE_VISIBILITY
__list_iterator& operator--()
{
#if _LIBCPP_DEBUG_LEVEL >= 2
_LIBCPP_ASSERT(__get_const_db()->__decrementable(this),
"Attempted to decrement non-decrementable list::iterator");
#endif
__ptr_ = __ptr_->__prev_;
return *this;
}
_LIBCPP_INLINE_VISIBILITY
__list_iterator operator--(int) {__list_iterator __t(*this); --(*this); return __t;}
friend _LIBCPP_INLINE_VISIBILITY
bool operator==(const __list_iterator& __x, const __list_iterator& __y)
{
#if _LIBCPP_DEBUG_LEVEL >= 2
_LIBCPP_ASSERT(__get_const_db()->__comparable(&__x, &__y),
"Attempted to compare non-comparable list::iterator");
#endif
return __x.__ptr_ == __y.__ptr_;
}
friend _LIBCPP_INLINE_VISIBILITY
bool operator!=(const __list_iterator& __x, const __list_iterator& __y)
{return !(__x == __y);}
};
template <class _Tp, class _VoidPtr>
class _LIBCPP_TYPE_VIS __list_const_iterator
{
typedef typename pointer_traits<_VoidPtr>::template
#ifndef _LIBCPP_HAS_NO_TEMPLATE_ALIASES
rebind<const __list_node<_Tp, _VoidPtr> > __node_pointer;
#else
rebind<const __list_node<_Tp, _VoidPtr> >::other __node_pointer;
#endif
__node_pointer __ptr_;
#if _LIBCPP_DEBUG_LEVEL >= 2
_LIBCPP_INLINE_VISIBILITY
explicit __list_const_iterator(__node_pointer __p, const void* __c) _NOEXCEPT
: __ptr_(__p)
{
__get_db()->__insert_ic(this, __c);
}
#else
_LIBCPP_INLINE_VISIBILITY
explicit __list_const_iterator(__node_pointer __p) _NOEXCEPT : __ptr_(__p) {}
#endif
template<class, class> friend class list;
template<class, class> friend class __list_imp;
public:
typedef bidirectional_iterator_tag iterator_category;
typedef _Tp value_type;
typedef const value_type& reference;
typedef typename pointer_traits<_VoidPtr>::template
#ifndef _LIBCPP_HAS_NO_TEMPLATE_ALIASES
rebind<const value_type>
#else
rebind<const value_type>::other
#endif
pointer;
typedef typename pointer_traits<pointer>::difference_type difference_type;
_LIBCPP_INLINE_VISIBILITY
__list_const_iterator() _NOEXCEPT
{
#if _LIBCPP_DEBUG_LEVEL >= 2
__get_db()->__insert_i(this);
#endif
}
_LIBCPP_INLINE_VISIBILITY
__list_const_iterator(const __list_iterator<_Tp, _VoidPtr>& __p) _NOEXCEPT
: __ptr_(__p.__ptr_)
{
#if _LIBCPP_DEBUG_LEVEL >= 2
__get_db()->__iterator_copy(this, &__p);
#endif
}
#if _LIBCPP_DEBUG_LEVEL >= 2
_LIBCPP_INLINE_VISIBILITY
__list_const_iterator(const __list_const_iterator& __p)
: __ptr_(__p.__ptr_)
{
__get_db()->__iterator_copy(this, &__p);
}
_LIBCPP_INLINE_VISIBILITY
~__list_const_iterator()
{
__get_db()->__erase_i(this);
}
_LIBCPP_INLINE_VISIBILITY
__list_const_iterator& operator=(const __list_const_iterator& __p)
{
if (this != &__p)
{
__get_db()->__iterator_copy(this, &__p);
__ptr_ = __p.__ptr_;
}
return *this;
}
#endif // _LIBCPP_DEBUG_LEVEL >= 2
_LIBCPP_INLINE_VISIBILITY
reference operator*() const
{
#if _LIBCPP_DEBUG_LEVEL >= 2
_LIBCPP_ASSERT(__get_const_db()->__dereferenceable(this),
"Attempted to dereference a non-dereferenceable list::const_iterator");
#endif
return __ptr_->__value_;
}
_LIBCPP_INLINE_VISIBILITY
pointer operator->() const {return &(operator*());}
_LIBCPP_INLINE_VISIBILITY
__list_const_iterator& operator++()
{
#if _LIBCPP_DEBUG_LEVEL >= 2
_LIBCPP_ASSERT(__get_const_db()->__dereferenceable(this),
"Attempted to increment non-incrementable list::const_iterator");
#endif
__ptr_ = __ptr_->__next_;
return *this;
}
_LIBCPP_INLINE_VISIBILITY
__list_const_iterator operator++(int) {__list_const_iterator __t(*this); ++(*this); return __t;}
_LIBCPP_INLINE_VISIBILITY
__list_const_iterator& operator--()
{
#if _LIBCPP_DEBUG_LEVEL >= 2
_LIBCPP_ASSERT(__get_const_db()->__decrementable(this),
"Attempted to decrement non-decrementable list::const_iterator");
#endif
__ptr_ = __ptr_->__prev_;
return *this;
}
_LIBCPP_INLINE_VISIBILITY
__list_const_iterator operator--(int) {__list_const_iterator __t(*this); --(*this); return __t;}
friend _LIBCPP_INLINE_VISIBILITY
bool operator==(const __list_const_iterator& __x, const __list_const_iterator& __y)
{
#if _LIBCPP_DEBUG_LEVEL >= 2
_LIBCPP_ASSERT(__get_const_db()->__comparable(&__x, &__y),
"Attempted to compare non-comparable list::const_iterator");
#endif
return __x.__ptr_ == __y.__ptr_;
}
friend _LIBCPP_INLINE_VISIBILITY
bool operator!=(const __list_const_iterator& __x, const __list_const_iterator& __y)
{return !(__x == __y);}
};
template <class _Tp, class _Alloc>
class __list_imp
{
__list_imp(const __list_imp&);
__list_imp& operator=(const __list_imp&);
protected:
typedef _Tp value_type;
typedef _Alloc allocator_type;
typedef allocator_traits<allocator_type> __alloc_traits;
typedef typename __alloc_traits::size_type size_type;
typedef typename __alloc_traits::void_pointer __void_pointer;
typedef __list_iterator<value_type, __void_pointer> iterator;
typedef __list_const_iterator<value_type, __void_pointer> const_iterator;
typedef __list_node_base<value_type, __void_pointer> __node_base;
typedef __list_node<value_type, __void_pointer> __node;
typedef typename __alloc_traits::template
#ifndef _LIBCPP_HAS_NO_TEMPLATE_ALIASES
rebind_alloc<__node>
#else
rebind_alloc<__node>::other
#endif
__node_allocator;
typedef allocator_traits<__node_allocator> __node_alloc_traits;
typedef typename __node_alloc_traits::pointer __node_pointer;
typedef typename __node_alloc_traits::const_pointer __node_const_pointer;
typedef typename __alloc_traits::pointer pointer;
typedef typename __alloc_traits::const_pointer const_pointer;
typedef typename __alloc_traits::difference_type difference_type;
__node_base __end_;
__compressed_pair<size_type, __node_allocator> __size_alloc_;
_LIBCPP_INLINE_VISIBILITY
size_type& __sz() _NOEXCEPT {return __size_alloc_.first();}
_LIBCPP_INLINE_VISIBILITY
const size_type& __sz() const _NOEXCEPT
{return __size_alloc_.first();}
_LIBCPP_INLINE_VISIBILITY
__node_allocator& __node_alloc() _NOEXCEPT
{return __size_alloc_.second();}
_LIBCPP_INLINE_VISIBILITY
const __node_allocator& __node_alloc() const _NOEXCEPT
{return __size_alloc_.second();}
static void __unlink_nodes(__node_base& __f, __node_base& __l) _NOEXCEPT;
__list_imp()
_NOEXCEPT_(is_nothrow_default_constructible<__node_allocator>::value);
__list_imp(const allocator_type& __a);
~__list_imp();
void clear() _NOEXCEPT;
_LIBCPP_INLINE_VISIBILITY
bool empty() const _NOEXCEPT {return __sz() == 0;}
_LIBCPP_INLINE_VISIBILITY
iterator begin() _NOEXCEPT
{
#if _LIBCPP_DEBUG_LEVEL >= 2
return iterator(__end_.__next_, this);
#else
return iterator(__end_.__next_);
#endif
}
_LIBCPP_INLINE_VISIBILITY
const_iterator begin() const _NOEXCEPT
{
#if _LIBCPP_DEBUG_LEVEL >= 2
return const_iterator(__end_.__next_, this);
#else
return const_iterator(__end_.__next_);
#endif
}
_LIBCPP_INLINE_VISIBILITY
iterator end() _NOEXCEPT
{
#if _LIBCPP_DEBUG_LEVEL >= 2
return iterator(static_cast<__node_pointer>(&__end_), this);
#else
return iterator(static_cast<__node_pointer>(&__end_));
#endif
}
_LIBCPP_INLINE_VISIBILITY
const_iterator end() const _NOEXCEPT
{
#if _LIBCPP_DEBUG_LEVEL >= 2
return const_iterator(static_cast<__node_const_pointer>(&__end_), this);
#else
return const_iterator(static_cast<__node_const_pointer>(&__end_));
#endif
}
void swap(__list_imp& __c)
_NOEXCEPT_(!__node_alloc_traits::propagate_on_container_swap::value ||
__is_nothrow_swappable<__node_allocator>::value);
_LIBCPP_INLINE_VISIBILITY
void __copy_assign_alloc(const __list_imp& __c)
{__copy_assign_alloc(__c, integral_constant<bool,
__node_alloc_traits::propagate_on_container_copy_assignment::value>());}
_LIBCPP_INLINE_VISIBILITY
void __move_assign_alloc(__list_imp& __c)
_NOEXCEPT_(
!__node_alloc_traits::propagate_on_container_move_assignment::value ||
is_nothrow_move_assignable<__node_allocator>::value)
{__move_assign_alloc(__c, integral_constant<bool,
__node_alloc_traits::propagate_on_container_move_assignment::value>());}
private:
_LIBCPP_INLINE_VISIBILITY
static void __swap_alloc(__node_allocator& __x, __node_allocator& __y)
_NOEXCEPT_(!__node_alloc_traits::propagate_on_container_swap::value ||
__is_nothrow_swappable<__node_allocator>::value)
{__swap_alloc(__x, __y, integral_constant<bool,
__node_alloc_traits::propagate_on_container_swap::value>());}
_LIBCPP_INLINE_VISIBILITY
static void __swap_alloc(__node_allocator& __x, __node_allocator& __y, true_type)
_NOEXCEPT_(__is_nothrow_swappable<__node_allocator>::value)
{
using _VSTD::swap;
swap(__x, __y);
}
_LIBCPP_INLINE_VISIBILITY
static void __swap_alloc(__node_allocator& __x, __node_allocator& __y, false_type)
_NOEXCEPT
{}
_LIBCPP_INLINE_VISIBILITY
void __copy_assign_alloc(const __list_imp& __c, true_type)
{
if (__node_alloc() != __c.__node_alloc())
clear();
__node_alloc() = __c.__node_alloc();
}
_LIBCPP_INLINE_VISIBILITY
void __copy_assign_alloc(const __list_imp& __c, false_type)
{}
_LIBCPP_INLINE_VISIBILITY
void __move_assign_alloc(__list_imp& __c, true_type)
_NOEXCEPT_(is_nothrow_move_assignable<__node_allocator>::value)
{
__node_alloc() = _VSTD::move(__c.__node_alloc());
}
_LIBCPP_INLINE_VISIBILITY
void __move_assign_alloc(__list_imp& __c, false_type)
_NOEXCEPT
{}
};
// Unlink nodes [__f, __l]
template <class _Tp, class _Alloc>
inline _LIBCPP_INLINE_VISIBILITY
void
__list_imp<_Tp, _Alloc>::__unlink_nodes(__node_base& __f, __node_base& __l)
_NOEXCEPT
{
__f.__prev_->__next_ = __l.__next_;
__l.__next_->__prev_ = __f.__prev_;
}
template <class _Tp, class _Alloc>
inline _LIBCPP_INLINE_VISIBILITY
__list_imp<_Tp, _Alloc>::__list_imp()
_NOEXCEPT_(is_nothrow_default_constructible<__node_allocator>::value)
: __size_alloc_(0)
{
}
template <class _Tp, class _Alloc>
inline _LIBCPP_INLINE_VISIBILITY
__list_imp<_Tp, _Alloc>::__list_imp(const allocator_type& __a)
: __size_alloc_(0, __node_allocator(__a))
{
}
template <class _Tp, class _Alloc>
__list_imp<_Tp, _Alloc>::~__list_imp()
{
clear();
#if _LIBCPP_DEBUG_LEVEL >= 2
__get_db()->__erase_c(this);
#endif
}
template <class _Tp, class _Alloc>
void
__list_imp<_Tp, _Alloc>::clear() _NOEXCEPT
{
if (!empty())
{
__node_allocator& __na = __node_alloc();
__node_pointer __f = __end_.__next_;
__node_pointer __l = static_cast<__node_pointer>(&__end_);
__unlink_nodes(*__f, *__l->__prev_);
__sz() = 0;
while (__f != __l)
{
__node& __n = *__f;
__f = __f->__next_;
__node_alloc_traits::destroy(__na, _VSTD::addressof(__n.__value_));
__node_alloc_traits::deallocate(__na, _VSTD::addressof(__n), 1);
}
#if _LIBCPP_DEBUG_LEVEL >= 2
__c_node* __c = __get_db()->__find_c_and_lock(this);
for (__i_node** __p = __c->end_; __p != __c->beg_; )
{
--__p;
const_iterator* __i = static_cast<const_iterator*>((*__p)->__i_);
if (__i->__ptr_ != __l)
{
(*__p)->__c_ = nullptr;
if (--__c->end_ != __p)
memmove(__p, __p+1, (__c->end_ - __p)*sizeof(__i_node*));
}
}
__get_db()->unlock();
#endif
}
}
template <class _Tp, class _Alloc>
void
__list_imp<_Tp, _Alloc>::swap(__list_imp& __c)
_NOEXCEPT_(!__node_alloc_traits::propagate_on_container_swap::value ||
__is_nothrow_swappable<__node_allocator>::value)
{
_LIBCPP_ASSERT(__alloc_traits::propagate_on_container_swap::value ||
this->__node_alloc() == __c.__node_alloc(),
"list::swap: Either propagate_on_container_swap must be true"
" or the allocators must compare equal");
using _VSTD::swap;
__swap_alloc(__node_alloc(), __c.__node_alloc());
swap(__sz(), __c.__sz());
swap(__end_, __c.__end_);
if (__sz() == 0)
__end_.__next_ = __end_.__prev_ = &static_cast<__node&>(__end_);
else
__end_.__prev_->__next_ = __end_.__next_->__prev_
= &static_cast<__node&>(__end_);
if (__c.__sz() == 0)
__c.__end_.__next_ = __c.__end_.__prev_
= &static_cast<__node&>(__c.__end_);
else
__c.__end_.__prev_->__next_ = __c.__end_.__next_->__prev_
= &static_cast<__node&>(__c.__end_);
#if _LIBCPP_DEBUG_LEVEL >= 2
__libcpp_db* __db = __get_db();
__c_node* __cn1 = __db->__find_c_and_lock(this);
__c_node* __cn2 = __db->__find_c(&__c);
std::swap(__cn1->beg_, __cn2->beg_);
std::swap(__cn1->end_, __cn2->end_);
std::swap(__cn1->cap_, __cn2->cap_);
for (__i_node** __p = __cn1->end_; __p != __cn1->beg_;)
{
--__p;
const_iterator* __i = static_cast<const_iterator*>((*__p)->__i_);
if (__i->__ptr_ == static_cast<__node_pointer>(&__c.__end_))
{
__cn2->__add(*__p);
if (--__cn1->end_ != __p)
memmove(__p, __p+1, (__cn1->end_ - __p)*sizeof(__i_node*));
}
else
(*__p)->__c_ = __cn1;
}
for (__i_node** __p = __cn2->end_; __p != __cn2->beg_;)
{
--__p;
const_iterator* __i = static_cast<const_iterator*>((*__p)->__i_);
if (__i->__ptr_ == static_cast<__node_pointer>(&__end_))
{
__cn1->__add(*__p);
if (--__cn2->end_ != __p)
memmove(__p, __p+1, (__cn2->end_ - __p)*sizeof(__i_node*));
}
else
(*__p)->__c_ = __cn2;
}
__db->unlock();
#endif
}
template <class _Tp, class _Alloc = allocator<_Tp> >
class _LIBCPP_TYPE_VIS list
: private __list_imp<_Tp, _Alloc>
{
typedef __list_imp<_Tp, _Alloc> base;
typedef typename base::__node __node;
typedef typename base::__node_allocator __node_allocator;
typedef typename base::__node_pointer __node_pointer;
typedef typename base::__node_alloc_traits __node_alloc_traits;
public:
typedef _Tp value_type;
typedef _Alloc allocator_type;
static_assert((is_same<value_type, typename allocator_type::value_type>::value),
"Invalid allocator::value_type");
typedef value_type& reference;
typedef const value_type& const_reference;
typedef typename base::pointer pointer;
typedef typename base::const_pointer const_pointer;
typedef typename base::size_type size_type;
typedef typename base::difference_type difference_type;
typedef typename base::iterator iterator;
typedef typename base::const_iterator const_iterator;
typedef _VSTD::reverse_iterator<iterator> reverse_iterator;
typedef _VSTD::reverse_iterator<const_iterator> const_reverse_iterator;
_LIBCPP_INLINE_VISIBILITY
list()
_NOEXCEPT_(is_nothrow_default_constructible<__node_allocator>::value)
{
#if _LIBCPP_DEBUG_LEVEL >= 2
__get_db()->__insert_c(this);
#endif
}
_LIBCPP_INLINE_VISIBILITY
list(const allocator_type& __a) : base(__a)
{
#if _LIBCPP_DEBUG_LEVEL >= 2
__get_db()->__insert_c(this);
#endif
}
list(size_type __n);
list(size_type __n, const value_type& __x);
list(size_type __n, const value_type& __x, const allocator_type& __a);
template <class _InpIter>
list(_InpIter __f, _InpIter __l,
typename enable_if<__is_input_iterator<_InpIter>::value>::type* = 0);
template <class _InpIter>
list(_InpIter __f, _InpIter __l, const allocator_type& __a,
typename enable_if<__is_input_iterator<_InpIter>::value>::type* = 0);
list(const list& __c);
list(const list& __c, const allocator_type& __a);
list& operator=(const list& __c);
#ifndef _LIBCPP_HAS_NO_GENERALIZED_INITIALIZERS
list(initializer_list<value_type> __il);
list(initializer_list<value_type> __il, const allocator_type& __a);
#endif // _LIBCPP_HAS_NO_GENERALIZED_INITIALIZERS
#ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES
list(list&& __c)
_NOEXCEPT_(is_nothrow_move_constructible<__node_allocator>::value);
list(list&& __c, const allocator_type& __a);
list& operator=(list&& __c)
_NOEXCEPT_(
__node_alloc_traits::propagate_on_container_move_assignment::value &&
is_nothrow_move_assignable<__node_allocator>::value);
#endif // _LIBCPP_HAS_NO_RVALUE_REFERENCES
#ifndef _LIBCPP_HAS_NO_GENERALIZED_INITIALIZERS
_LIBCPP_INLINE_VISIBILITY
list& operator=(initializer_list<value_type> __il)
{assign(__il.begin(), __il.end()); return *this;}
#endif // _LIBCPP_HAS_NO_GENERALIZED_INITIALIZERS
template <class _InpIter>
void assign(_InpIter __f, _InpIter __l,
typename enable_if<__is_input_iterator<_InpIter>::value>::type* = 0);
void assign(size_type __n, const value_type& __x);
#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;
_LIBCPP_INLINE_VISIBILITY
size_type size() const _NOEXCEPT {return base::__sz();}
_LIBCPP_INLINE_VISIBILITY
bool empty() const _NOEXCEPT {return base::empty();}
_LIBCPP_INLINE_VISIBILITY
size_type max_size() const _NOEXCEPT
{return numeric_limits<difference_type>::max();}
_LIBCPP_INLINE_VISIBILITY
iterator begin() _NOEXCEPT {return base::begin();}
_LIBCPP_INLINE_VISIBILITY
const_iterator begin() const _NOEXCEPT {return base::begin();}
_LIBCPP_INLINE_VISIBILITY
iterator end() _NOEXCEPT {return base::end();}
_LIBCPP_INLINE_VISIBILITY
const_iterator end() const _NOEXCEPT {return base::end();}
_LIBCPP_INLINE_VISIBILITY
const_iterator cbegin() const _NOEXCEPT {return base::begin();}
_LIBCPP_INLINE_VISIBILITY
const_iterator cend() const _NOEXCEPT {return base::end();}
_LIBCPP_INLINE_VISIBILITY
reverse_iterator rbegin() _NOEXCEPT
{return reverse_iterator(end());}
_LIBCPP_INLINE_VISIBILITY
const_reverse_iterator rbegin() const _NOEXCEPT
{return const_reverse_iterator(end());}
_LIBCPP_INLINE_VISIBILITY
reverse_iterator rend() _NOEXCEPT
{return reverse_iterator(begin());}
_LIBCPP_INLINE_VISIBILITY
const_reverse_iterator rend() const _NOEXCEPT
{return const_reverse_iterator(begin());}
_LIBCPP_INLINE_VISIBILITY
const_reverse_iterator crbegin() const _NOEXCEPT
{return const_reverse_iterator(end());}
_LIBCPP_INLINE_VISIBILITY
const_reverse_iterator crend() const _NOEXCEPT
{return const_reverse_iterator(begin());}
_LIBCPP_INLINE_VISIBILITY
reference front()
{
_LIBCPP_ASSERT(!empty(), "list::front called on empty list");
return base::__end_.__next_->__value_;
}
_LIBCPP_INLINE_VISIBILITY
const_reference front() const
{
_LIBCPP_ASSERT(!empty(), "list::front called on empty list");
return base::__end_.__next_->__value_;
}
_LIBCPP_INLINE_VISIBILITY
reference back()
{
_LIBCPP_ASSERT(!empty(), "list::back called on empty list");
return base::__end_.__prev_->__value_;
}
_LIBCPP_INLINE_VISIBILITY
const_reference back() const
{
_LIBCPP_ASSERT(!empty(), "list::back called on empty list");
return base::__end_.__prev_->__value_;
}
#ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES
void push_front(value_type&& __x);
void push_back(value_type&& __x);
#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
iterator insert(const_iterator __p, value_type&& __x);
#endif // _LIBCPP_HAS_NO_RVALUE_REFERENCES
void push_front(const value_type& __x);
void push_back(const value_type& __x);
iterator insert(const_iterator __p, const value_type& __x);
iterator insert(const_iterator __p, size_type __n, const value_type& __x);
template <class _InpIter>
iterator insert(const_iterator __p, _InpIter __f, _InpIter __l,
typename enable_if<__is_input_iterator<_InpIter>::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
_LIBCPP_INLINE_VISIBILITY
void swap(list& __c)
_NOEXCEPT_(!__node_alloc_traits::propagate_on_container_swap::value ||
__is_nothrow_swappable<__node_allocator>::value)
{base::swap(__c);}
_LIBCPP_INLINE_VISIBILITY
void clear() _NOEXCEPT {base::clear();}
void pop_front();
void pop_back();
iterator erase(const_iterator __p);
iterator erase(const_iterator __f, const_iterator __l);
void resize(size_type __n);
void resize(size_type __n, const value_type& __x);
void splice(const_iterator __p, list& __c);
#ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES
_LIBCPP_INLINE_VISIBILITY
void splice(const_iterator __p, list&& __c) {splice(__p, __c);}
#endif
void splice(const_iterator __p, list& __c, const_iterator __i);
#ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES
_LIBCPP_INLINE_VISIBILITY
void splice(const_iterator __p, list&& __c, const_iterator __i)
{splice(__p, __c, __i);}
#endif // _LIBCPP_HAS_NO_RVALUE_REFERENCES
void splice(const_iterator __p, list& __c, const_iterator __f, const_iterator __l);
#ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES
_LIBCPP_INLINE_VISIBILITY
void splice(const_iterator __p, list&& __c, const_iterator __f, const_iterator __l)
{splice(__p, __c, __f, __l);}
#endif // _LIBCPP_HAS_NO_RVALUE_REFERENCES
void remove(const value_type& __x);
template <class _Pred> void remove_if(_Pred __pred);
void unique();
template <class _BinaryPred>
void unique(_BinaryPred __binary_pred);
void merge(list& __c);
#ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES
_LIBCPP_INLINE_VISIBILITY
void merge(list&& __c) {merge(__c);}
#endif
template <class _Comp>
void merge(list& __c, _Comp __comp);
#ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES
template <class _Comp>
_LIBCPP_INLINE_VISIBILITY
void merge(list&& __c, _Comp __comp) {merge(__c, __comp);}
#endif // _LIBCPP_HAS_NO_RVALUE_REFERENCES
void sort();
template <class _Comp>
void sort(_Comp __comp);
void reverse() _NOEXCEPT;
bool __invariants() const;
#if _LIBCPP_DEBUG_LEVEL >= 2
bool __dereferenceable(const const_iterator* __i) const;
bool __decrementable(const const_iterator* __i) const;
bool __addable(const const_iterator* __i, ptrdiff_t __n) const;
bool __subscriptable(const const_iterator* __i, ptrdiff_t __n) const;
#endif // _LIBCPP_DEBUG_LEVEL >= 2
private:
static void __link_nodes(__node& __p, __node& __f, __node& __l);
iterator __iterator(size_type __n);
template <class _Comp>
static iterator __sort(iterator __f1, iterator __e2, size_type __n, _Comp& __comp);
void __move_assign(list& __c, true_type)
_NOEXCEPT_(is_nothrow_move_assignable<__node_allocator>::value);
void __move_assign(list& __c, false_type);
};
// Link in nodes [__f, __l] just prior to __p
template <class _Tp, class _Alloc>
inline _LIBCPP_INLINE_VISIBILITY
void
list<_Tp, _Alloc>::__link_nodes(__node& __p, __node& __f, __node& __l)
{
__p.__prev_->__next_ = &__f;
__f.__prev_ = __p.__prev_;
__p.__prev_ = &__l;
__l.__next_ = &__p;
}
template <class _Tp, class _Alloc>
inline _LIBCPP_INLINE_VISIBILITY
typename list<_Tp, _Alloc>::iterator
list<_Tp, _Alloc>::__iterator(size_type __n)
{
return __n <= base::__sz() / 2 ? _VSTD::next(begin(), __n)
: _VSTD::prev(end(), base::__sz() - __n);
}
template <class _Tp, class _Alloc>
list<_Tp, _Alloc>::list(size_type __n)
{
#if _LIBCPP_DEBUG_LEVEL >= 2
__get_db()->__insert_c(this);
#endif
for (; __n > 0; --__n)
#ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES
emplace_back();
#else
push_back(value_type());
#endif
}
template <class _Tp, class _Alloc>
list<_Tp, _Alloc>::list(size_type __n, const value_type& __x)
{
#if _LIBCPP_DEBUG_LEVEL >= 2
__get_db()->__insert_c(this);
#endif
for (; __n > 0; --__n)
push_back(__x);
}
template <class _Tp, class _Alloc>
list<_Tp, _Alloc>::list(size_type __n, const value_type& __x, const allocator_type& __a)
: base(__a)
{
#if _LIBCPP_DEBUG_LEVEL >= 2
__get_db()->__insert_c(this);
#endif
for (; __n > 0; --__n)
push_back(__x);
}
template <class _Tp, class _Alloc>
template <class _InpIter>
list<_Tp, _Alloc>::list(_InpIter __f, _InpIter __l,
typename enable_if<__is_input_iterator<_InpIter>::value>::type*)
{
#if _LIBCPP_DEBUG_LEVEL >= 2
__get_db()->__insert_c(this);
#endif
for (; __f != __l; ++__f)
push_back(*__f);
}
template <class _Tp, class _Alloc>
template <class _InpIter>
list<_Tp, _Alloc>::list(_InpIter __f, _InpIter __l, const allocator_type& __a,
typename enable_if<__is_input_iterator<_InpIter>::value>::type*)
: base(__a)
{
#if _LIBCPP_DEBUG_LEVEL >= 2
__get_db()->__insert_c(this);
#endif
for (; __f != __l; ++__f)
push_back(*__f);
}
template <class _Tp, class _Alloc>
list<_Tp, _Alloc>::list(const list& __c)
: base(allocator_type(
__node_alloc_traits::select_on_container_copy_construction(
__c.__node_alloc())))
{
#if _LIBCPP_DEBUG_LEVEL >= 2
__get_db()->__insert_c(this);
#endif
for (const_iterator __i = __c.begin(), __e = __c.end(); __i != __e; ++__i)
push_back(*__i);
}
template <class _Tp, class _Alloc>
list<_Tp, _Alloc>::list(const list& __c, const allocator_type& __a)
: base(__a)
{
#if _LIBCPP_DEBUG_LEVEL >= 2
__get_db()->__insert_c(this);
#endif
for (const_iterator __i = __c.begin(), __e = __c.end(); __i != __e; ++__i)
push_back(*__i);
}
#ifndef _LIBCPP_HAS_NO_GENERALIZED_INITIALIZERS
template <class _Tp, class _Alloc>
list<_Tp, _Alloc>::list(initializer_list<value_type> __il, const allocator_type& __a)
: base(__a)
{
#if _LIBCPP_DEBUG_LEVEL >= 2
__get_db()->__insert_c(this);
#endif
for (typename initializer_list<value_type>::const_iterator __i = __il.begin(),
__e = __il.end(); __i != __e; ++__i)
push_back(*__i);
}
template <class _Tp, class _Alloc>
list<_Tp, _Alloc>::list(initializer_list<value_type> __il)
{
#if _LIBCPP_DEBUG_LEVEL >= 2
__get_db()->__insert_c(this);
#endif
for (typename initializer_list<value_type>::const_iterator __i = __il.begin(),
__e = __il.end(); __i != __e; ++__i)
push_back(*__i);
}
#endif // _LIBCPP_HAS_NO_GENERALIZED_INITIALIZERS
template <class _Tp, class _Alloc>
inline _LIBCPP_INLINE_VISIBILITY
list<_Tp, _Alloc>&
list<_Tp, _Alloc>::operator=(const list& __c)
{
if (this != &__c)
{
base::__copy_assign_alloc(__c);
assign(__c.begin(), __c.end());
}
return *this;
}
#ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES
template <class _Tp, class _Alloc>
inline _LIBCPP_INLINE_VISIBILITY
list<_Tp, _Alloc>::list(list&& __c)
_NOEXCEPT_(is_nothrow_move_constructible<__node_allocator>::value)
: base(allocator_type(_VSTD::move(__c.__node_alloc())))
{
#if _LIBCPP_DEBUG_LEVEL >= 2
__get_db()->__insert_c(this);
#endif
splice(end(), __c);
}
template <class _Tp, class _Alloc>
inline _LIBCPP_INLINE_VISIBILITY
list<_Tp, _Alloc>::list(list&& __c, const allocator_type& __a)
: base(__a)
{
#if _LIBCPP_DEBUG_LEVEL >= 2
__get_db()->__insert_c(this);
#endif
if (__a == __c.get_allocator())
splice(end(), __c);
else
{
typedef move_iterator<iterator> _Ip;
assign(_Ip(__c.begin()), _Ip(__c.end()));
}
}
template <class _Tp, class _Alloc>
inline _LIBCPP_INLINE_VISIBILITY
list<_Tp, _Alloc>&
list<_Tp, _Alloc>::operator=(list&& __c)
_NOEXCEPT_(
__node_alloc_traits::propagate_on_container_move_assignment::value &&
is_nothrow_move_assignable<__node_allocator>::value)
{
__move_assign(__c, integral_constant<bool,
__node_alloc_traits::propagate_on_container_move_assignment::value>());
return *this;
}
template <class _Tp, class _Alloc>
void
list<_Tp, _Alloc>::__move_assign(list& __c, false_type)
{
if (base::__node_alloc() != __c.__node_alloc())
{
typedef move_iterator<iterator> _Ip;
assign(_Ip(__c.begin()), _Ip(__c.end()));
}
else
__move_assign(__c, true_type());
}
template <class _Tp, class _Alloc>
void
list<_Tp, _Alloc>::__move_assign(list& __c, true_type)
_NOEXCEPT_(is_nothrow_move_assignable<__node_allocator>::value)
{
clear();
base::__move_assign_alloc(__c);
splice(end(), __c);
}
#endif // _LIBCPP_HAS_NO_RVALUE_REFERENCES
template <class _Tp, class _Alloc>
template <class _InpIter>
void
list<_Tp, _Alloc>::assign(_InpIter __f, _InpIter __l,
typename enable_if<__is_input_iterator<_InpIter>::value>::type*)
{
iterator __i = begin();
iterator __e = end();
for (; __f != __l && __i != __e; ++__f, ++__i)
*__i = *__f;
if (__i == __e)
insert(__e, __f, __l);
else
erase(__i, __e);
}
template <class _Tp, class _Alloc>
void
list<_Tp, _Alloc>::assign(size_type __n, const value_type& __x)
{
iterator __i = begin();
iterator __e = end();
for (; __n > 0 && __i != __e; --__n, ++__i)
*__i = __x;
if (__i == __e)
insert(__e, __n, __x);
else
erase(__i, __e);
}
template <class _Tp, class _Alloc>
inline _LIBCPP_INLINE_VISIBILITY
_Alloc
list<_Tp, _Alloc>::get_allocator() const _NOEXCEPT
{
return allocator_type(base::__node_alloc());
}
template <class _Tp, class _Alloc>
typename list<_Tp, _Alloc>::iterator
list<_Tp, _Alloc>::insert(const_iterator __p, const value_type& __x)
{
#if _LIBCPP_DEBUG_LEVEL >= 2
_LIBCPP_ASSERT(__get_const_db()->__find_c_from_i(&__p) == this,
"list::insert(iterator, x) called with an iterator not"
" referring to this list");
#endif
__node_allocator& __na = base::__node_alloc();
typedef __allocator_destructor<__node_allocator> _Dp;
unique_ptr<__node, _Dp> __hold(__node_alloc_traits::allocate(__na, 1), _Dp(__na, 1));
__hold->__prev_ = 0;
__node_alloc_traits::construct(__na, _VSTD::addressof(__hold->__value_), __x);
__link_nodes(const_cast<__node&>(*__p.__ptr_), *__hold, *__hold);
++base::__sz();
#if _LIBCPP_DEBUG_LEVEL >= 2
return iterator(__hold.release(), this);
#else
return iterator(__hold.release());
#endif
}
template <class _Tp, class _Alloc>
typename list<_Tp, _Alloc>::iterator
list<_Tp, _Alloc>::insert(const_iterator __p, size_type __n, const value_type& __x)
{
#if _LIBCPP_DEBUG_LEVEL >= 2
_LIBCPP_ASSERT(__get_const_db()->__find_c_from_i(&__p) == this,
"list::insert(iterator, n, x) called with an iterator not"
" referring to this list");
iterator __r(const_cast<__node_pointer>(__p.__ptr_), this);
#else
iterator __r(const_cast<__node_pointer>(__p.__ptr_));
#endif
if (__n > 0)
{
size_type __ds = 0;
__node_allocator& __na = base::__node_alloc();
typedef __allocator_destructor<__node_allocator> _Dp;
unique_ptr<__node, _Dp> __hold(__node_alloc_traits::allocate(__na, 1), _Dp(__na, 1));
__hold->__prev_ = 0;
__node_alloc_traits::construct(__na, _VSTD::addressof(__hold->__value_), __x);
++__ds;
#if _LIBCPP_DEBUG_LEVEL >= 2
__r = iterator(__hold.get(), this);
#else
__r = iterator(__hold.get());
#endif
__hold.release();
iterator __e = __r;
#ifndef _LIBCPP_NO_EXCEPTIONS
try
{
#endif // _LIBCPP_NO_EXCEPTIONS
for (--__n; __n != 0; --__n, ++__e, ++__ds)
{
__hold.reset(__node_alloc_traits::allocate(__na, 1));
__node_alloc_traits::construct(__na, _VSTD::addressof(__hold->__value_), __x);
__e.__ptr_->__next_ = __hold.get();
__hold->__prev_ = __e.__ptr_;
__hold.release();
}
#ifndef _LIBCPP_NO_EXCEPTIONS
}
catch (...)
{
while (true)
{
__node_alloc_traits::destroy(__na, _VSTD::addressof(*__e));
__node_pointer __prev = __e.__ptr_->__prev_;
__node_alloc_traits::deallocate(__na, __e.__ptr_, 1);
if (__prev == 0)
break;
#if _LIBCPP_DEBUG_LEVEL >= 2
__e = iterator(__prev, this);
#else
__e = iterator(__prev);
#endif
}
throw;
}
#endif // _LIBCPP_NO_EXCEPTIONS
__link_nodes(const_cast<__node&>(*__p.__ptr_), *__r.__ptr_, *__e.__ptr_);
base::__sz() += __ds;
}
return __r;
}
template <class _Tp, class _Alloc>
template <class _InpIter>
typename list<_Tp, _Alloc>::iterator
list<_Tp, _Alloc>::insert(const_iterator __p, _InpIter __f, _InpIter __l,
typename enable_if<__is_input_iterator<_InpIter>::value>::type*)
{
#if _LIBCPP_DEBUG_LEVEL >= 2
_LIBCPP_ASSERT(__get_const_db()->__find_c_from_i(&__p) == this,
"list::insert(iterator, range) called with an iterator not"
" referring to this list");
iterator __r(const_cast<__node_pointer>(__p.__ptr_), this);
#else
iterator __r(const_cast<__node_pointer>(__p.__ptr_));
#endif
if (__f != __l)
{
size_type __ds = 0;
__node_allocator& __na = base::__node_alloc();
typedef __allocator_destructor<__node_allocator> _Dp;
unique_ptr<__node, _Dp> __hold(__node_alloc_traits::allocate(__na, 1), _Dp(__na, 1));
__hold->__prev_ = 0;
__node_alloc_traits::construct(__na, _VSTD::addressof(__hold->__value_), *__f);
++__ds;
#if _LIBCPP_DEBUG_LEVEL >= 2
__r = iterator(__hold.get(), this);
#else
__r = iterator(__hold.get());
#endif
__hold.release();
iterator __e = __r;
#ifndef _LIBCPP_NO_EXCEPTIONS
try
{
#endif // _LIBCPP_NO_EXCEPTIONS
for (++__f; __f != __l; ++__f, ++__e, ++__ds)
{
__hold.reset(__node_alloc_traits::allocate(__na, 1));
__node_alloc_traits::construct(__na, _VSTD::addressof(__hold->__value_), *__f);
__e.__ptr_->__next_ = __hold.get();
__hold->__prev_ = __e.__ptr_;
__hold.release();
}
#ifndef _LIBCPP_NO_EXCEPTIONS
}
catch (...)
{
while (true)
{
__node_alloc_traits::destroy(__na, _VSTD::addressof(*__e));
__node_pointer __prev = __e.__ptr_->__prev_;
__node_alloc_traits::deallocate(__na, __e.__ptr_, 1);
if (__prev == 0)
break;
#if _LIBCPP_DEBUG_LEVEL >= 2
__e = iterator(__prev, this);
#else
__e = iterator(__prev);
#endif
}
throw;
}
#endif // _LIBCPP_NO_EXCEPTIONS
__link_nodes(const_cast<__node&>(*__p.__ptr_), *__r.__ptr_, *__e.__ptr_);
base::__sz() += __ds;
}
return __r;
}
template <class _Tp, class _Alloc>
void
list<_Tp, _Alloc>::push_front(const value_type& __x)
{
__node_allocator& __na = base::__node_alloc();
typedef __allocator_destructor<__node_allocator> _Dp;
unique_ptr<__node, _Dp> __hold(__node_alloc_traits::allocate(__na, 1), _Dp(__na, 1));
__node_alloc_traits::construct(__na, _VSTD::addressof(__hold->__value_), __x);
__link_nodes(*base::__end_.__next_, *__hold, *__hold);
++base::__sz();
__hold.release();
}
template <class _Tp, class _Alloc>
void
list<_Tp, _Alloc>::push_back(const value_type& __x)
{
__node_allocator& __na = base::__node_alloc();
typedef __allocator_destructor<__node_allocator> _Dp;
unique_ptr<__node, _Dp> __hold(__node_alloc_traits::allocate(__na, 1), _Dp(__na, 1));
__node_alloc_traits::construct(__na, _VSTD::addressof(__hold->__value_), __x);
__link_nodes(static_cast<__node&>(base::__end_), *__hold, *__hold);
++base::__sz();
__hold.release();
}
#ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES
template <class _Tp, class _Alloc>
void
list<_Tp, _Alloc>::push_front(value_type&& __x)
{
__node_allocator& __na = base::__node_alloc();
typedef __allocator_destructor<__node_allocator> _Dp;
unique_ptr<__node, _Dp> __hold(__node_alloc_traits::allocate(__na, 1), _Dp(__na, 1));
__node_alloc_traits::construct(__na, _VSTD::addressof(__hold->__value_), _VSTD::move(__x));
__link_nodes(*base::__end_.__next_, *__hold, *__hold);
++base::__sz();
__hold.release();
}
template <class _Tp, class _Alloc>
void
list<_Tp, _Alloc>::push_back(value_type&& __x)
{
__node_allocator& __na = base::__node_alloc();
typedef __allocator_destructor<__node_allocator> _Dp;
unique_ptr<__node, _Dp> __hold(__node_alloc_traits::allocate(__na, 1), _Dp(__na, 1));
__node_alloc_traits::construct(__na, _VSTD::addressof(__hold->__value_), _VSTD::move(__x));
__link_nodes(static_cast<__node&>(base::__end_), *__hold, *__hold);
++base::__sz();
__hold.release();
}
#ifndef _LIBCPP_HAS_NO_VARIADICS
template <class _Tp, class _Alloc>
template <class... _Args>
void
list<_Tp, _Alloc>::emplace_front(_Args&&... __args)
{
__node_allocator& __na = base::__node_alloc();
typedef __allocator_destructor<__node_allocator> _Dp;
unique_ptr<__node, _Dp> __hold(__node_alloc_traits::allocate(__na, 1), _Dp(__na, 1));
__node_alloc_traits::construct(__na, _VSTD::addressof(__hold->__value_), _VSTD::forward<_Args>(__args)...);
__link_nodes(*base::__end_.__next_, *__hold, *__hold);
++base::__sz();
__hold.release();
}
template <class _Tp, class _Alloc>
template <class... _Args>
void
list<_Tp, _Alloc>::emplace_back(_Args&&... __args)
{
__node_allocator& __na = base::__node_alloc();
typedef __allocator_destructor<__node_allocator> _Dp;
unique_ptr<__node, _Dp> __hold(__node_alloc_traits::allocate(__na, 1), _Dp(__na, 1));
__node_alloc_traits::construct(__na, _VSTD::addressof(__hold->__value_), _VSTD::forward<_Args>(__args)...);
__link_nodes(static_cast<__node&>(base::__end_), *__hold, *__hold);
++base::__sz();
__hold.release();
}
template <class _Tp, class _Alloc>
template <class... _Args>
typename list<_Tp, _Alloc>::iterator
list<_Tp, _Alloc>::emplace(const_iterator __p, _Args&&... __args)
{
#if _LIBCPP_DEBUG_LEVEL >= 2
_LIBCPP_ASSERT(__get_const_db()->__find_c_from_i(&__p) == this,
"list::emplace(iterator, args...) called with an iterator not"
" referring to this list");
#endif
__node_allocator& __na = base::__node_alloc();
typedef __allocator_destructor<__node_allocator> _Dp;
unique_ptr<__node, _Dp> __hold(__node_alloc_traits::allocate(__na, 1), _Dp(__na, 1));
__hold->__prev_ = 0;
__node_alloc_traits::construct(__na, _VSTD::addressof(__hold->__value_), _VSTD::forward<_Args>(__args)...);
__link_nodes(const_cast<__node&>(*__p.__ptr_), *__hold, *__hold);
++base::__sz();
#if _LIBCPP_DEBUG_LEVEL >= 2
return iterator(__hold.release(), this);
#else
return iterator(__hold.release());
#endif
}
#endif // _LIBCPP_HAS_NO_VARIADICS
template <class _Tp, class _Alloc>
typename list<_Tp, _Alloc>::iterator
list<_Tp, _Alloc>::insert(const_iterator __p, value_type&& __x)
{
#if _LIBCPP_DEBUG_LEVEL >= 2
_LIBCPP_ASSERT(__get_const_db()->__find_c_from_i(&__p) == this,
"list::insert(iterator, x) called with an iterator not"
" referring to this list");
#endif
__node_allocator& __na = base::__node_alloc();
typedef __allocator_destructor<__node_allocator> _Dp;
unique_ptr<__node, _Dp> __hold(__node_alloc_traits::allocate(__na, 1), _Dp(__na, 1));
__hold->__prev_ = 0;
__node_alloc_traits::construct(__na, _VSTD::addressof(__hold->__value_), _VSTD::move(__x));
__link_nodes(const_cast<__node&>(*__p.__ptr_), *__hold, *__hold);
++base::__sz();
#if _LIBCPP_DEBUG_LEVEL >= 2
return iterator(__hold.release(), this);
#else
return iterator(__hold.release());
#endif
}
#endif // _LIBCPP_HAS_NO_RVALUE_REFERENCES
template <class _Tp, class _Alloc>
void
list<_Tp, _Alloc>::pop_front()
{
_LIBCPP_ASSERT(!empty(), "list::pop_front() called with empty list");
__node_allocator& __na = base::__node_alloc();
__node& __n = *base::__end_.__next_;
base::__unlink_nodes(__n, __n);
--base::__sz();
#if _LIBCPP_DEBUG_LEVEL >= 2
__c_node* __c = __get_db()->__find_c_and_lock(this);
for (__i_node** __p = __c->end_; __p != __c->beg_; )
{
--__p;
iterator* __i = static_cast<iterator*>((*__p)->__i_);
if (__i->__ptr_ == &__n)
{
(*__p)->__c_ = nullptr;
if (--__c->end_ != __p)
memmove(__p, __p+1, (__c->end_ - __p)*sizeof(__i_node*));
}
}
__get_db()->unlock();
#endif
__node_alloc_traits::destroy(__na, _VSTD::addressof(__n.__value_));
__node_alloc_traits::deallocate(__na, _VSTD::addressof(__n), 1);
}
template <class _Tp, class _Alloc>
void
list<_Tp, _Alloc>::pop_back()
{
_LIBCPP_ASSERT(!empty(), "list::pop_front() called with empty list");
__node_allocator& __na = base::__node_alloc();
__node& __n = *base::__end_.__prev_;
base::__unlink_nodes(__n, __n);
--base::__sz();
#if _LIBCPP_DEBUG_LEVEL >= 2
__c_node* __c = __get_db()->__find_c_and_lock(this);
for (__i_node** __p = __c->end_; __p != __c->beg_; )
{
--__p;
iterator* __i = static_cast<iterator*>((*__p)->__i_);
if (__i->__ptr_ == &__n)
{
(*__p)->__c_ = nullptr;
if (--__c->end_ != __p)
memmove(__p, __p+1, (__c->end_ - __p)*sizeof(__i_node*));
}
}
__get_db()->unlock();
#endif
__node_alloc_traits::destroy(__na, _VSTD::addressof(__n.__value_));
__node_alloc_traits::deallocate(__na, _VSTD::addressof(__n), 1);
}
template <class _Tp, class _Alloc>
typename list<_Tp, _Alloc>::iterator
list<_Tp, _Alloc>::erase(const_iterator __p)
{
#if _LIBCPP_DEBUG_LEVEL >= 2
_LIBCPP_ASSERT(__get_const_db()->__find_c_from_i(&__p) == this,
"list::erase(iterator) called with an iterator not"
" referring to this list");
#endif
_LIBCPP_ASSERT(__p != end(),
"list::erase(iterator) called with a non-dereferenceable iterator");
__node_allocator& __na = base::__node_alloc();
__node& __n = const_cast<__node&>(*__p.__ptr_);
__node_pointer __r = __n.__next_;
base::__unlink_nodes(__n, __n);
--base::__sz();
#if _LIBCPP_DEBUG_LEVEL >= 2
__c_node* __c = __get_db()->__find_c_and_lock(this);
for (__i_node** __p = __c->end_; __p != __c->beg_; )
{
--__p;
iterator* __i = static_cast<iterator*>((*__p)->__i_);
if (__i->__ptr_ == &__n)
{
(*__p)->__c_ = nullptr;
if (--__c->end_ != __p)
memmove(__p, __p+1, (__c->end_ - __p)*sizeof(__i_node*));
}
}
__get_db()->unlock();
#endif
__node_alloc_traits::destroy(__na, _VSTD::addressof(__n.__value_));
__node_alloc_traits::deallocate(__na, _VSTD::addressof(__n), 1);
#if _LIBCPP_DEBUG_LEVEL >= 2
return iterator(__r, this);
#else
return iterator(__r);
#endif
}
template <class _Tp, class _Alloc>
typename list<_Tp, _Alloc>::iterator
list<_Tp, _Alloc>::erase(const_iterator __f, const_iterator __l)
{
#if _LIBCPP_DEBUG_LEVEL >= 2
_LIBCPP_ASSERT(__get_const_db()->__find_c_from_i(&__f) == this,
"list::erase(iterator, iterator) called with an iterator not"
" referring to this list");
#endif
if (__f != __l)
{
__node_allocator& __na = base::__node_alloc();
base::__unlink_nodes(const_cast<__node&>(*__f.__ptr_), *__l.__ptr_->__prev_);
while (__f != __l)
{
__node& __n = const_cast<__node&>(*__f.__ptr_);
++__f;
--base::__sz();
#if _LIBCPP_DEBUG_LEVEL >= 2
__c_node* __c = __get_db()->__find_c_and_lock(this);
for (__i_node** __p = __c->end_; __p != __c->beg_; )
{
--__p;
iterator* __i = static_cast<iterator*>((*__p)->__i_);
if (__i->__ptr_ == &__n)
{
(*__p)->__c_ = nullptr;
if (--__c->end_ != __p)
memmove(__p, __p+1, (__c->end_ - __p)*sizeof(__i_node*));
}
}
__get_db()->unlock();
#endif
__node_alloc_traits::destroy(__na, _VSTD::addressof(__n.__value_));
__node_alloc_traits::deallocate(__na, _VSTD::addressof(__n), 1);
}
}
#if _LIBCPP_DEBUG_LEVEL >= 2
return iterator(const_cast<__node_pointer>(__l.__ptr_), this);
#else
return iterator(const_cast<__node_pointer>(__l.__ptr_));
#endif
}
template <class _Tp, class _Alloc>
void
list<_Tp, _Alloc>::resize(size_type __n)
{
if (__n < base::__sz())
erase(__iterator(__n), end());
else if (__n > base::__sz())
{
__n -= base::__sz();
size_type __ds = 0;
__node_allocator& __na = base::__node_alloc();
typedef __allocator_destructor<__node_allocator> _Dp;
unique_ptr<__node, _Dp> __hold(__node_alloc_traits::allocate(__na, 1), _Dp(__na, 1));
__hold->__prev_ = 0;
__node_alloc_traits::construct(__na, _VSTD::addressof(__hold->__value_));
++__ds;
#if _LIBCPP_DEBUG_LEVEL >= 2
iterator __r = iterator(__hold.release(), this);
#else
iterator __r = iterator(__hold.release());
#endif
iterator __e = __r;
#ifndef _LIBCPP_NO_EXCEPTIONS
try
{
#endif // _LIBCPP_NO_EXCEPTIONS
for (--__n; __n != 0; --__n, ++__e, ++__ds)
{
__hold.reset(__node_alloc_traits::allocate(__na, 1));
__node_alloc_traits::construct(__na, _VSTD::addressof(__hold->__value_));
__e.__ptr_->__next_ = __hold.get();
__hold->__prev_ = __e.__ptr_;
__hold.release();
}
#ifndef _LIBCPP_NO_EXCEPTIONS
}
catch (...)
{
while (true)
{
__node_alloc_traits::destroy(__na, _VSTD::addressof(*__e));
__node_pointer __prev = __e.__ptr_->__prev_;
__node_alloc_traits::deallocate(__na, __e.__ptr_, 1);
if (__prev == 0)
break;
#if _LIBCPP_DEBUG_LEVEL >= 2
__e = iterator(__prev, this);
#else
__e = iterator(__prev);
#endif
}
throw;
}
#endif // _LIBCPP_NO_EXCEPTIONS
__link_nodes(static_cast<__node&>(base::__end_), *__r.__ptr_, *__e.__ptr_);
base::__sz() += __ds;
}
}
template <class _Tp, class _Alloc>
void
list<_Tp, _Alloc>::resize(size_type __n, const value_type& __x)
{
if (__n < base::__sz())
erase(__iterator(__n), end());
else if (__n > base::__sz())
{
__n -= base::__sz();
size_type __ds = 0;
__node_allocator& __na = base::__node_alloc();
typedef __allocator_destructor<__node_allocator> _Dp;
unique_ptr<__node, _Dp> __hold(__node_alloc_traits::allocate(__na, 1), _Dp(__na, 1));
__hold->__prev_ = 0;
__node_alloc_traits::construct(__na, _VSTD::addressof(__hold->__value_), __x);
++__ds;
#if _LIBCPP_DEBUG_LEVEL >= 2
iterator __r = iterator(__hold.release(), this);
#else
iterator __r = iterator(__hold.release());
#endif
iterator __e = __r;
#ifndef _LIBCPP_NO_EXCEPTIONS
try
{
#endif // _LIBCPP_NO_EXCEPTIONS
for (--__n; __n != 0; --__n, ++__e, ++__ds)
{
__hold.reset(__node_alloc_traits::allocate(__na, 1));
__node_alloc_traits::construct(__na, _VSTD::addressof(__hold->__value_), __x);
__e.__ptr_->__next_ = __hold.get();
__hold->__prev_ = __e.__ptr_;
__hold.release();
}
#ifndef _LIBCPP_NO_EXCEPTIONS
}
catch (...)
{
while (true)
{
__node_alloc_traits::destroy(__na, _VSTD::addressof(*__e));
__node_pointer __prev = __e.__ptr_->__prev_;
__node_alloc_traits::deallocate(__na, __e.__ptr_, 1);
if (__prev == 0)
break;
#if _LIBCPP_DEBUG_LEVEL >= 2
__e = iterator(__prev, this);
#else
__e = iterator(__prev);
#endif
}
throw;
}
#endif // _LIBCPP_NO_EXCEPTIONS
__link_nodes(static_cast<__node&>(base::__end_), *__r.__ptr_, *__e.__ptr_);
base::__sz() += __ds;
}
}
template <class _Tp, class _Alloc>
void
list<_Tp, _Alloc>::splice(const_iterator __p, list& __c)
{
_LIBCPP_ASSERT(this != &__c,
"list::splice(iterator, list) called with this == &list");
#if _LIBCPP_DEBUG_LEVEL >= 2
_LIBCPP_ASSERT(__get_const_db()->__find_c_from_i(&__p) == this,
"list::splice(iterator, list) called with an iterator not"
" referring to this list");
#endif
if (!__c.empty())
{
__node& __f = *__c.__end_.__next_;
__node& __l = *__c.__end_.__prev_;
base::__unlink_nodes(__f, __l);
__link_nodes(const_cast<__node&>(*__p.__ptr_), __f, __l);
base::__sz() += __c.__sz();
__c.__sz() = 0;
#if _LIBCPP_DEBUG_LEVEL >= 2
__libcpp_db* __db = __get_db();
__c_node* __cn1 = __db->__find_c_and_lock(this);
__c_node* __cn2 = __db->__find_c(&__c);
for (__i_node** __p = __cn2->end_; __p != __cn2->beg_;)
{
--__p;
iterator* __i = static_cast<iterator*>((*__p)->__i_);
if (__i->__ptr_ != static_cast<__node_pointer>(&__c.__end_))
{
__cn1->__add(*__p);
(*__p)->__c_ = __cn1;
if (--__cn2->end_ != __p)
memmove(__p, __p+1, (__cn2->end_ - __p)*sizeof(__i_node*));
}
}
__db->unlock();
#endif
}
}
template <class _Tp, class _Alloc>
void
list<_Tp, _Alloc>::splice(const_iterator __p, list& __c, const_iterator __i)
{
#if _LIBCPP_DEBUG_LEVEL >= 2
_LIBCPP_ASSERT(__get_const_db()->__find_c_from_i(&__p) == this,
"list::splice(iterator, list, iterator) called with first iterator not"
" referring to this list");
_LIBCPP_ASSERT(__get_const_db()->__find_c_from_i(&__i) == &__c,
"list::splice(iterator, list, iterator) called with second iterator not"
" referring to list argument");
_LIBCPP_ASSERT(__get_const_db()->__dereferenceable(&__i),
"list::splice(iterator, list, iterator) called with second iterator not"
" derefereceable");
#endif
if (__p.__ptr_ != __i.__ptr_ && __p.__ptr_ != __i.__ptr_->__next_)
{
__node& __f = const_cast<__node&>(*__i.__ptr_);
base::__unlink_nodes(__f, __f);
__link_nodes(const_cast<__node&>(*__p.__ptr_), __f, __f);
--__c.__sz();
++base::__sz();
#if _LIBCPP_DEBUG_LEVEL >= 2
__libcpp_db* __db = __get_db();
__c_node* __cn1 = __db->__find_c_and_lock(this);
__c_node* __cn2 = __db->__find_c(&__c);
for (__i_node** __p = __cn2->end_; __p != __cn2->beg_;)
{
--__p;
iterator* __j = static_cast<iterator*>((*__p)->__i_);
if (__j->__ptr_ == &__f)
{
__cn1->__add(*__p);
(*__p)->__c_ = __cn1;
if (--__cn2->end_ != __p)
memmove(__p, __p+1, (__cn2->end_ - __p)*sizeof(__i_node*));
}
}
__db->unlock();
#endif
}
}
template <class _Tp, class _Alloc>
void
list<_Tp, _Alloc>::splice(const_iterator __p, list& __c, const_iterator __f, const_iterator __l)
{
#if _LIBCPP_DEBUG_LEVEL >= 2
_LIBCPP_ASSERT(__get_const_db()->__find_c_from_i(&__p) == this,
"list::splice(iterator, list, iterator, iterator) called with first iterator not"
" referring to this list");
_LIBCPP_ASSERT(__get_const_db()->__find_c_from_i(&__f) == &__c,
"list::splice(iterator, list, iterator, iterator) called with second iterator not"
" referring to list argument");
if (this == &__c)
{
for (const_iterator __i = __f; __i != __l; ++__i)
_LIBCPP_ASSERT(__i != __p,
"list::splice(iterator, list, iterator, iterator)"
" called with the first iterator within the range"
" of the second and third iterators");
}
#endif
if (__f != __l)
{
if (this != &__c)
{
size_type __s = _VSTD::distance(__f, __l);
__c.__sz() -= __s;
base::__sz() += __s;
}
__node& __first = const_cast<__node&>(*__f.__ptr_);
--__l;
__node& __last = const_cast<__node&>(*__l.__ptr_);
base::__unlink_nodes(__first, __last);
__link_nodes(const_cast<__node&>(*__p.__ptr_), __first, __last);
#if _LIBCPP_DEBUG_LEVEL >= 2
__libcpp_db* __db = __get_db();
__c_node* __cn1 = __db->__find_c_and_lock(this);
__c_node* __cn2 = __db->__find_c(&__c);
for (__i_node** __p = __cn2->end_; __p != __cn2->beg_;)
{
--__p;
iterator* __j = static_cast<iterator*>((*__p)->__i_);
for (__node_pointer __k = const_cast<__node_pointer>(__f.__ptr_);
__k != __l.__ptr_; __k = __k->__next_)
{
if (__j->__ptr_ == __k)
{
__cn1->__add(*__p);
(*__p)->__c_ = __cn1;
if (--__cn2->end_ != __p)
memmove(__p, __p+1, (__cn2->end_ - __p)*sizeof(__i_node*));
}
}
}
__db->unlock();
#endif
}
}
template <class _Tp, class _Alloc>
void
list<_Tp, _Alloc>::remove(const value_type& __x)
{
for (iterator __i = begin(), __e = end(); __i != __e;)
{
if (*__i == __x)
{
iterator __j = _VSTD::next(__i);
for (; __j != __e && *__j == __x; ++__j)
;
__i = erase(__i, __j);
}
else
++__i;
}
}
template <class _Tp, class _Alloc>
template <class _Pred>
void
list<_Tp, _Alloc>::remove_if(_Pred __pred)
{
for (iterator __i = begin(), __e = end(); __i != __e;)
{
if (__pred(*__i))
{
iterator __j = _VSTD::next(__i);
for (; __j != __e && __pred(*__j); ++__j)
;
__i = erase(__i, __j);
}
else
++__i;
}
}
template <class _Tp, class _Alloc>
inline _LIBCPP_INLINE_VISIBILITY
void
list<_Tp, _Alloc>::unique()
{
unique(__equal_to<value_type>());
}
template <class _Tp, class _Alloc>
template <class _BinaryPred>
void
list<_Tp, _Alloc>::unique(_BinaryPred __binary_pred)
{
for (iterator __i = begin(), __e = end(); __i != __e;)
{
iterator __j = _VSTD::next(__i);
for (; __j != __e && __binary_pred(*__i, *__j); ++__j)
;
if (++__i != __j)
__i = erase(__i, __j);
}
}
template <class _Tp, class _Alloc>
inline _LIBCPP_INLINE_VISIBILITY
void
list<_Tp, _Alloc>::merge(list& __c)
{
merge(__c, __less<value_type>());
}
template <class _Tp, class _Alloc>
template <class _Comp>
void
list<_Tp, _Alloc>::merge(list& __c, _Comp __comp)
{
if (this != &__c)
{
iterator __f1 = begin();
iterator __e1 = end();
iterator __f2 = __c.begin();
iterator __e2 = __c.end();
while (__f1 != __e1 && __f2 != __e2)
{
if (__comp(*__f2, *__f1))
{
size_type __ds = 1;
iterator __m2 = _VSTD::next(__f2);
for (; __m2 != __e2 && __comp(*__m2, *__f1); ++__m2, ++__ds)
;
base::__sz() += __ds;
__c.__sz() -= __ds;
__node& __f = *__f2.__ptr_;
__node& __l = *__m2.__ptr_->__prev_;
__f2 = __m2;
base::__unlink_nodes(__f, __l);
__m2 = _VSTD::next(__f1);
__link_nodes(*__f1.__ptr_, __f, __l);
__f1 = __m2;
}
else
++__f1;
}
splice(__e1, __c);
#if _LIBCPP_DEBUG_LEVEL >= 2
__libcpp_db* __db = __get_db();
__c_node* __cn1 = __db->__find_c_and_lock(this);
__c_node* __cn2 = __db->__find_c(&__c);
for (__i_node** __p = __cn2->end_; __p != __cn2->beg_;)
{
--__p;
iterator* __i = static_cast<iterator*>((*__p)->__i_);
if (__i->__ptr_ != static_cast<__node_pointer>(&__c.__end_))
{
__cn1->__add(*__p);
(*__p)->__c_ = __cn1;
if (--__cn2->end_ != __p)
memmove(__p, __p+1, (__cn2->end_ - __p)*sizeof(__i_node*));
}
}
__db->unlock();
#endif
}
}
template <class _Tp, class _Alloc>
inline _LIBCPP_INLINE_VISIBILITY
void
list<_Tp, _Alloc>::sort()
{
sort(__less<value_type>());
}
template <class _Tp, class _Alloc>
template <class _Comp>
inline _LIBCPP_INLINE_VISIBILITY
void
list<_Tp, _Alloc>::sort(_Comp __comp)
{
__sort(begin(), end(), base::__sz(), __comp);
}
template <class _Tp, class _Alloc>
template <class _Comp>
typename list<_Tp, _Alloc>::iterator
list<_Tp, _Alloc>::__sort(iterator __f1, iterator __e2, size_type __n, _Comp& __comp)
{
switch (__n)
{
case 0:
case 1:
return __f1;
case 2:
if (__comp(*--__e2, *__f1))
{
__node& __f = *__e2.__ptr_;
base::__unlink_nodes(__f, __f);
__link_nodes(*__f1.__ptr_, __f, __f);
return __e2;
}
return __f1;
}
size_type __n2 = __n / 2;
iterator __e1 = _VSTD::next(__f1, __n2);
iterator __r = __f1 = __sort(__f1, __e1, __n2, __comp);
iterator __f2 = __e1 = __sort(__e1, __e2, __n - __n2, __comp);
if (__comp(*__f2, *__f1))
{
iterator __m2 = _VSTD::next(__f2);
for (; __m2 != __e2 && __comp(*__m2, *__f1); ++__m2)
;
__node& __f = *__f2.__ptr_;
__node& __l = *__m2.__ptr_->__prev_;
__r = __f2;
__e1 = __f2 = __m2;
base::__unlink_nodes(__f, __l);
__m2 = _VSTD::next(__f1);
__link_nodes(*__f1.__ptr_, __f, __l);
__f1 = __m2;
}
else
++__f1;
while (__f1 != __e1 && __f2 != __e2)
{
if (__comp(*__f2, *__f1))
{
iterator __m2 = _VSTD::next(__f2);
for (; __m2 != __e2 && __comp(*__m2, *__f1); ++__m2)
;
__node& __f = *__f2.__ptr_;
__node& __l = *__m2.__ptr_->__prev_;
if (__e1 == __f2)
__e1 = __m2;
__f2 = __m2;
base::__unlink_nodes(__f, __l);
__m2 = _VSTD::next(__f1);
__link_nodes(*__f1.__ptr_, __f, __l);
__f1 = __m2;
}
else
++__f1;
}
return __r;
}
template <class _Tp, class _Alloc>
void
list<_Tp, _Alloc>::reverse() _NOEXCEPT
{
if (base::__sz() > 1)
{
iterator __e = end();
for (iterator __i = begin(); __i.__ptr_ != __e.__ptr_;)
{
_VSTD::swap(__i.__ptr_->__prev_, __i.__ptr_->__next_);
__i.__ptr_ = __i.__ptr_->__prev_;
}
_VSTD::swap(__e.__ptr_->__prev_, __e.__ptr_->__next_);
}
}
template <class _Tp, class _Alloc>
bool
list<_Tp, _Alloc>::__invariants() const
{
return size() == _VSTD::distance(begin(), end());
}
#if _LIBCPP_DEBUG_LEVEL >= 2
template <class _Tp, class _Alloc>
bool
list<_Tp, _Alloc>::__dereferenceable(const const_iterator* __i) const
{
return __i->__ptr_ != &this->__end_;
}
template <class _Tp, class _Alloc>
bool
list<_Tp, _Alloc>::__decrementable(const const_iterator* __i) const
{
return !empty() && __i->__ptr_ != base::__end_.__next_;
}
template <class _Tp, class _Alloc>
bool
list<_Tp, _Alloc>::__addable(const const_iterator* __i, ptrdiff_t __n) const
{
return false;
}
template <class _Tp, class _Alloc>
bool
list<_Tp, _Alloc>::__subscriptable(const const_iterator* __i, ptrdiff_t __n) const
{
return false;
}
#endif // _LIBCPP_DEBUG_LEVEL >= 2
template <class _Tp, class _Alloc>
inline _LIBCPP_INLINE_VISIBILITY
bool
operator==(const list<_Tp, _Alloc>& __x, const list<_Tp, _Alloc>& __y)
{
return __x.size() == __y.size() && _VSTD::equal(__x.begin(), __x.end(), __y.begin());
}
template <class _Tp, class _Alloc>
inline _LIBCPP_INLINE_VISIBILITY
bool
operator< (const list<_Tp, _Alloc>& __x, const list<_Tp, _Alloc>& __y)
{
return _VSTD::lexicographical_compare(__x.begin(), __x.end(), __y.begin(), __y.end());
}
template <class _Tp, class _Alloc>
inline _LIBCPP_INLINE_VISIBILITY
bool
operator!=(const list<_Tp, _Alloc>& __x, const list<_Tp, _Alloc>& __y)
{
return !(__x == __y);
}
template <class _Tp, class _Alloc>
inline _LIBCPP_INLINE_VISIBILITY
bool
operator> (const list<_Tp, _Alloc>& __x, const list<_Tp, _Alloc>& __y)
{
return __y < __x;
}
template <class _Tp, class _Alloc>
inline _LIBCPP_INLINE_VISIBILITY
bool
operator>=(const list<_Tp, _Alloc>& __x, const list<_Tp, _Alloc>& __y)
{
return !(__x < __y);
}
template <class _Tp, class _Alloc>
inline _LIBCPP_INLINE_VISIBILITY
bool
operator<=(const list<_Tp, _Alloc>& __x, const list<_Tp, _Alloc>& __y)
{
return !(__y < __x);
}
template <class _Tp, class _Alloc>
inline _LIBCPP_INLINE_VISIBILITY
void
swap(list<_Tp, _Alloc>& __x, list<_Tp, _Alloc>& __y)
_NOEXCEPT_(_NOEXCEPT_(__x.swap(__y)))
{
__x.swap(__y);
}
_LIBCPP_END_NAMESPACE_STD
#endif // _LIBCPP_LIST
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