profile/list
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// Profiling list implementation -*- C++ -*-
// Copyright (C) 2009-2015 Free Software Foundation, Inc.
//
// This file is part of the GNU ISO C++ Library. This library is free
// software; you can redistribute it and/or modify it under the
// terms of the GNU General Public License as published by the
// Free Software Foundation; either version 3, or (at your option)
// any later version.
// This library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
// Under Section 7 of GPL version 3, you are granted additional
// permissions described in the GCC Runtime Library Exception, version
// 3.1, as published by the Free Software Foundation.
// You should have received a copy of the GNU General Public License and
// a copy of the GCC Runtime Library Exception along with this program;
// see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
// <http://www.gnu.org/licenses/>.
/** @file profile/list
* This file is a GNU profile extension to the Standard C++ Library.
*/
#ifndef _GLIBCXX_PROFILE_LIST
#define _GLIBCXX_PROFILE_LIST 1
#include <list>
#include <profile/base.h>
#include <profile/iterator_tracker.h>
namespace std _GLIBCXX_VISIBILITY(default)
{
namespace __profile
{
template<typename _List>
class _List_profile
{
_List&
_M_conjure()
{ return *static_cast<_List*>(this); }
public:
__gnu_profile::__list2slist_info* _M_list2slist_info;
__gnu_profile::__list2vector_info* _M_list2vector_info;
_List_profile() _GLIBCXX_NOEXCEPT
{ _M_profile_construct(); }
void
_M_profile_construct() _GLIBCXX_NOEXCEPT
{
_M_list2slist_info = __profcxx_list2slist_construct();
_M_list2vector_info = __profcxx_list2vector_construct();
}
void
_M_profile_destruct() _GLIBCXX_NOEXCEPT
{
__profcxx_list2vector_destruct(_M_list2vector_info);
_M_list2vector_info = 0;
__profcxx_list2slist_destruct(_M_list2slist_info);
_M_list2slist_info = 0;
}
void
_M_swap(_List_profile& __other)
{
std::swap(_M_list2slist_info, __other._M_list2slist_info);
std::swap(_M_list2vector_info, __other._M_list2vector_info);
}
#if __cplusplus >= 201103L
_List_profile(const _List_profile&) noexcept
: _List_profile() { }
_List_profile(_List_profile&& __other) noexcept
: _List_profile()
{ _M_swap(__other); }
_List_profile&
operator=(const _List_profile&) noexcept
{
_M_profile_destruct();
_M_profile_construct();
}
_List_profile&
operator=(_List_profile&& __other) noexcept
{
_M_swap(__other);
__other._M_profile_destruct();
__other._M_profile_construct();
}
#endif
~_List_profile()
{ _M_profile_destruct(); }
};
/** @brief List wrapper with performance instrumentation. */
template<typename _Tp, typename _Allocator = std::allocator<_Tp> >
class list
: public _GLIBCXX_STD_C::list<_Tp, _Allocator>,
public _List_profile<list<_Tp, _Allocator> >
{
typedef _GLIBCXX_STD_C::list<_Tp, _Allocator> _Base;
public:
typedef typename _Base::reference reference;
typedef typename _Base::const_reference const_reference;
typedef __iterator_tracker<typename _Base::iterator, list>
iterator;
typedef __iterator_tracker<typename _Base::const_iterator, list>
const_iterator;
typedef typename _Base::size_type size_type;
typedef typename _Base::difference_type difference_type;
typedef _Tp value_type;
typedef _Allocator allocator_type;
typedef typename _Base::pointer pointer;
typedef typename _Base::const_pointer const_pointer;
typedef std::reverse_iterator<iterator> reverse_iterator;
typedef std::reverse_iterator<const_iterator> const_reverse_iterator;
// 23.2.2.1 construct/copy/destroy:
#if __cplusplus < 201103L
list() { }
list(const list& __x)
: _Base(__x) { }
~list() { }
#else
list() = default;
list(const list&) = default;
list(list&&) = default;
~list() = default;
list(initializer_list<value_type> __l,
const allocator_type& __a = allocator_type())
: _Base(__l, __a) { }
#endif
explicit
list(const _Allocator& __a) _GLIBCXX_NOEXCEPT
: _Base(__a) { }
#if __cplusplus >= 201103L
explicit
list(size_type __n)
: _Base(__n) { }
list(size_type __n, const _Tp& __value,
const _Allocator& __a = _Allocator())
: _Base(__n, __value, __a) { }
#else
explicit
list(size_type __n, const _Tp& __value = _Tp(),
const _Allocator& __a = _Allocator())
: _Base(__n, __value, __a) { }
#endif
#if __cplusplus >= 201103L
template<typename _InputIterator,
typename = std::_RequireInputIter<_InputIterator>>
#else
template<class _InputIterator>
#endif
list(_InputIterator __first, _InputIterator __last,
const _Allocator& __a = _Allocator())
: _Base(__first, __last, __a) { }
list(const _Base& __x)
: _Base(__x) { }
#if __cplusplus < 201103L
list&
operator=(const list& __x)
{
this->_M_profile_destruct();
_M_base() = __x;
this->_M_profile_construct();
return *this;
}
#else
list&
operator=(const list&) = default;
list&
operator=(list&&) = default;
list&
operator=(initializer_list<value_type> __l)
{
this->_M_profile_destruct();
_M_base() = __l;
this->_M_profile_construct();
return *this;
}
#endif
// iterators:
iterator
begin() _GLIBCXX_NOEXCEPT
{ return iterator(_Base::begin(), this); }
const_iterator
begin() const _GLIBCXX_NOEXCEPT
{ return const_iterator(_Base::begin(), this); }
iterator
end() _GLIBCXX_NOEXCEPT
{
__profcxx_list2slist_rewind(this->_M_list2slist_info);
return iterator(_Base::end(), this);
}
const_iterator
end() const _GLIBCXX_NOEXCEPT
{
__profcxx_list2slist_rewind(this->_M_list2slist_info);
return const_iterator(_Base::end(), this);
}
reverse_iterator
rbegin() _GLIBCXX_NOEXCEPT
{
__profcxx_list2slist_rewind(this->_M_list2slist_info);
return reverse_iterator(end());
}
const_reverse_iterator
rbegin() const _GLIBCXX_NOEXCEPT
{
__profcxx_list2slist_rewind(this->_M_list2slist_info);
return const_reverse_iterator(end());
}
reverse_iterator
rend() _GLIBCXX_NOEXCEPT
{ return reverse_iterator(begin()); }
const_reverse_iterator
rend() const _GLIBCXX_NOEXCEPT
{ return const_reverse_iterator(begin()); }
#if __cplusplus >= 201103L
const_iterator
cbegin() const noexcept
{ return const_iterator(_Base::cbegin(), this); }
const_iterator
cend() const noexcept
{ return const_iterator(_Base::cend(), this); }
const_reverse_iterator
crbegin() const noexcept
{ return const_reverse_iterator(end()); }
const_reverse_iterator
crend() const noexcept
{ return const_reverse_iterator(begin()); }
#endif
// 23.2.2.2 capacity:
reference
back() _GLIBCXX_NOEXCEPT
{
__profcxx_list2slist_rewind(this->_M_list2slist_info);
return _Base::back();
}
const_reference
back() const _GLIBCXX_NOEXCEPT
{
__profcxx_list2slist_rewind(this->_M_list2slist_info);
return _Base::back();
}
// 23.2.2.3 modifiers:
void
push_front(const value_type& __x)
{
__profcxx_list2vector_invalid_operator(this->_M_list2vector_info);
__profcxx_list2slist_operation(this->_M_list2slist_info);
_Base::push_front(__x);
}
void
pop_front() _GLIBCXX_NOEXCEPT
{
__profcxx_list2slist_operation(this->_M_list2slist_info);
_Base::pop_front();
}
void
pop_back() _GLIBCXX_NOEXCEPT
{
_Base::pop_back();
__profcxx_list2slist_rewind(this->_M_list2slist_info);
}
#if __cplusplus >= 201103L
template<typename... _Args>
iterator
emplace(const_iterator __position, _Args&&... __args)
{
return iterator(_Base::emplace(__position.base(),
std::forward<_Args>(__args)...),
this);
}
#endif
iterator
#if __cplusplus >= 201103L
insert(const_iterator __pos, const _Tp& __x)
#else
insert(iterator __pos, const _Tp& __x)
#endif
{
_M_profile_insert(__pos, this->size());
return iterator(_Base::insert(__pos.base(), __x), this);
}
#if __cplusplus >= 201103L
iterator
insert(const_iterator __pos, _Tp&& __x)
{
_M_profile_insert(__pos, this->size());
return iterator(_Base::emplace(__pos.base(), std::move(__x)),
this);
}
iterator
insert(const_iterator __pos, initializer_list<value_type> __l)
{
_M_profile_insert(__pos, this->size());
return iterator(_Base::insert(__pos.base(), __l), this);
}
#endif
#if __cplusplus >= 201103L
iterator
insert(const_iterator __pos, size_type __n, const _Tp& __x)
{
_M_profile_insert(__pos, this->size());
return iterator(_Base::insert(__pos.base(), __n, __x), this);
}
#else
void
insert(iterator __pos, size_type __n, const _Tp& __x)
{
_M_profile_insert(__pos, this->size());
_Base::insert(__pos.base(), __n, __x);
}
#endif
#if __cplusplus >= 201103L
template<typename _InputIterator,
typename = std::_RequireInputIter<_InputIterator>>
iterator
insert(const_iterator __pos, _InputIterator __first,
_InputIterator __last)
{
_M_profile_insert(__pos, this->size());
return iterator(_Base::insert(__pos.base(), __first, __last),
this);
}
#else
template<class _InputIterator>
void
insert(iterator __pos, _InputIterator __first,
_InputIterator __last)
{
_M_profile_insert(__pos, this->size());
_Base::insert(__pos.base(), __first, __last);
}
#endif
iterator
#if __cplusplus >= 201103L
erase(const_iterator __pos) noexcept
#else
erase(iterator __pos)
#endif
{ return iterator(_Base::erase(__pos.base()), this); }
iterator
#if __cplusplus >= 201103L
erase(const_iterator __pos, const_iterator __last) noexcept
#else
erase(iterator __pos, iterator __last)
#endif
{
// _GLIBCXX_RESOLVE_LIB_DEFECTS
// 151. can't currently clear() empty container
return iterator(_Base::erase(__pos.base(), __last.base()), this);
}
void
swap(list& __x)
#if __cplusplus >= 201103L
noexcept( noexcept(declval<_Base>().swap(__x)) )
#endif
{
_Base::swap(__x);
this->_M_swap(__x);
}
void
clear() _GLIBCXX_NOEXCEPT
{
this->_M_profile_destruct();
_Base::clear();
this->_M_profile_construct();
}
// 23.2.2.4 list operations:
void
#if __cplusplus >= 201103L
splice(const_iterator __pos, list&& __x) noexcept
#else
splice(iterator __pos, list& __x)
#endif
{ this->splice(__pos, _GLIBCXX_MOVE(__x), __x.begin(), __x.end()); }
#if __cplusplus >= 201103L
void
splice(const_iterator __pos, list& __x) noexcept
{ this->splice(__pos, std::move(__x)); }
void
splice(const_iterator __pos, list& __x, const_iterator __i)
{ this->splice(__pos, std::move(__x), __i); }
#endif
void
#if __cplusplus >= 201103L
splice(const_iterator __pos, list&& __x, const_iterator __i) noexcept
#else
splice(iterator __pos, list& __x, iterator __i)
#endif
{
// We used to perform the splice_alloc check: not anymore, redundant
// after implementing the relevant bits of N1599.
// _GLIBCXX_RESOLVE_LIB_DEFECTS
_Base::splice(__pos.base(), _GLIBCXX_MOVE(__x._M_base()),
__i.base());
}
void
#if __cplusplus >= 201103L
splice(const_iterator __pos, list&& __x, const_iterator __first,
const_iterator __last) noexcept
#else
splice(iterator __pos, list& __x, iterator __first,
iterator __last)
#endif
{
_Base::splice(__pos.base(), _GLIBCXX_MOVE(__x._M_base()),
__first.base(), __last.base());
}
#if __cplusplus >= 201103L
void
splice(const_iterator __pos, list& __x,
const_iterator __first, const_iterator __last) noexcept
{ this->splice(__pos, std::move(__x), __first, __last); }
#endif
void
remove(const _Tp& __value)
{
for (iterator __x = begin(); __x != end(); )
{
if (*__x == __value)
__x = erase(__x);
else
++__x;
}
}
template<class _Predicate>
void
remove_if(_Predicate __pred)
{
for (iterator __x = begin(); __x != end(); )
{
__profcxx_list2slist_operation(this->_M_list2slist_info);
if (__pred(*__x))
__x = erase(__x);
else
++__x;
}
}
void
unique()
{
iterator __first = begin();
iterator __last = end();
if (__first == __last)
return;
iterator __next = __first;
while (++__next != __last)
{
__profcxx_list2slist_operation(this->_M_list2slist_info);
if (*__first == *__next)
erase(__next);
else
__first = __next;
__next = __first;
}
}
template<class _BinaryPredicate>
void
unique(_BinaryPredicate __binary_pred)
{
iterator __first = begin();
iterator __last = end();
if (__first == __last)
return;
iterator __next = __first;
while (++__next != __last)
{
__profcxx_list2slist_operation(this->_M_list2slist_info);
if (__binary_pred(*__first, *__next))
erase(__next);
else
__first = __next;
__next = __first;
}
}
void
#if __cplusplus >= 201103L
merge(list&& __x)
#else
merge(list& __x)
#endif
{ _Base::merge(_GLIBCXX_MOVE(__x._M_base())); }
#if __cplusplus >= 201103L
void
merge(list& __x)
{ this->merge(std::move(__x)); }
#endif
template<class _Compare>
void
#if __cplusplus >= 201103L
merge(list&& __x, _Compare __comp)
#else
merge(list& __x, _Compare __comp)
#endif
{ _Base::merge(_GLIBCXX_MOVE(__x._M_base()), __comp); }
#if __cplusplus >= 201103L
template<typename _Compare>
void
merge(list& __x, _Compare __comp)
{ this->merge(std::move(__x), __comp); }
#endif
_Base&
_M_base() _GLIBCXX_NOEXCEPT { return *this; }
const _Base&
_M_base() const _GLIBCXX_NOEXCEPT { return *this; }
void _M_profile_iterate(int __rewind = 0) const
{
__profcxx_list2slist_operation(this->_M_list2slist_info);
__profcxx_list2vector_iterate(this->_M_list2vector_info, __rewind);
if (__rewind)
__profcxx_list2slist_rewind(this->_M_list2slist_info);
}
private:
size_type
_M_profile_insert(const_iterator __pos, size_type __size)
{
size_type __shift = 0;
typename _Base::const_iterator __it = __pos.base();
for (; __it != _Base::end(); ++__it)
__shift++;
__profcxx_list2slist_rewind(this->_M_list2slist_info);
__profcxx_list2slist_operation(this->_M_list2slist_info);
__profcxx_list2vector_insert(this->_M_list2vector_info, __shift, __size);
}
};
template<typename _Tp, typename _Alloc>
inline bool
operator==(const list<_Tp, _Alloc>& __lhs,
const list<_Tp, _Alloc>& __rhs)
{ return __lhs._M_base() == __rhs._M_base(); }
template<typename _Tp, typename _Alloc>
inline bool
operator!=(const list<_Tp, _Alloc>& __lhs,
const list<_Tp, _Alloc>& __rhs)
{ return __lhs._M_base() != __rhs._M_base(); }
template<typename _Tp, typename _Alloc>
inline bool
operator<(const list<_Tp, _Alloc>& __lhs,
const list<_Tp, _Alloc>& __rhs)
{ return __lhs._M_base() < __rhs._M_base(); }
template<typename _Tp, typename _Alloc>
inline bool
operator<=(const list<_Tp, _Alloc>& __lhs,
const list<_Tp, _Alloc>& __rhs)
{ return __lhs._M_base() <= __rhs._M_base(); }
template<typename _Tp, typename _Alloc>
inline bool
operator>=(const list<_Tp, _Alloc>& __lhs,
const list<_Tp, _Alloc>& __rhs)
{ return __lhs._M_base() >= __rhs._M_base(); }
template<typename _Tp, typename _Alloc>
inline bool
operator>(const list<_Tp, _Alloc>& __lhs,
const list<_Tp, _Alloc>& __rhs)
{ return __lhs._M_base() > __rhs._M_base(); }
template<typename _Tp, typename _Alloc>
inline void
swap(list<_Tp, _Alloc>& __lhs, list<_Tp, _Alloc>& __rhs)
{ __lhs.swap(__rhs); }
} // namespace __profile
} // namespace std
#endif