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[/] [openrisc/] [trunk/] [gnu-src/] [gcc-4.5.1/] [libstdc++-v3/] [include/] [debug/] [list] - Rev 628
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// Debugging list implementation -*- C++ -*-
// Copyright (C) 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010
// 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 debug/list
* This file is a GNU debug extension to the Standard C++ Library.
*/
#ifndef _GLIBCXX_DEBUG_LIST
#define _GLIBCXX_DEBUG_LIST 1
#include <list>
#include <debug/safe_sequence.h>
#include <debug/safe_iterator.h>
namespace std
{
namespace __debug
{
/// Class std::list with safety/checking/debug instrumentation.
template<typename _Tp, typename _Allocator = std::allocator<_Tp> >
class list
: public _GLIBCXX_STD_D::list<_Tp, _Allocator>,
public __gnu_debug::_Safe_sequence<list<_Tp, _Allocator> >
{
typedef _GLIBCXX_STD_D::list<_Tp, _Allocator> _Base;
typedef __gnu_debug::_Safe_sequence<list> _Safe_base;
public:
typedef typename _Base::reference reference;
typedef typename _Base::const_reference const_reference;
typedef __gnu_debug::_Safe_iterator<typename _Base::iterator, list>
iterator;
typedef __gnu_debug::_Safe_iterator<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:
explicit list(const _Allocator& __a = _Allocator())
: _Base(__a) { }
explicit list(size_type __n, const _Tp& __value = _Tp(),
const _Allocator& __a = _Allocator())
: _Base(__n, __value, __a) { }
template<class _InputIterator>
list(_InputIterator __first, _InputIterator __last,
const _Allocator& __a = _Allocator())
: _Base(__gnu_debug::__check_valid_range(__first, __last), __last, __a)
{ }
list(const list& __x)
: _Base(__x), _Safe_base() { }
list(const _Base& __x)
: _Base(__x), _Safe_base() { }
#ifdef __GXX_EXPERIMENTAL_CXX0X__
list(list&& __x)
: _Base(std::forward<list>(__x)), _Safe_base()
{ this->_M_swap(__x); }
list(initializer_list<value_type> __l,
const allocator_type& __a = allocator_type())
: _Base(__l, __a), _Safe_base() { }
#endif
~list() { }
list&
operator=(const list& __x)
{
static_cast<_Base&>(*this) = __x;
this->_M_invalidate_all();
return *this;
}
#ifdef __GXX_EXPERIMENTAL_CXX0X__
list&
operator=(list&& __x)
{
// NB: DR 1204.
// NB: DR 675.
clear();
swap(__x);
return *this;
}
list&
operator=(initializer_list<value_type> __l)
{
static_cast<_Base&>(*this) = __l;
this->_M_invalidate_all();
return *this;
}
void
assign(initializer_list<value_type> __l)
{
_Base::assign(__l);
this->_M_invalidate_all();
}
#endif
template<class _InputIterator>
void
assign(_InputIterator __first, _InputIterator __last)
{
__glibcxx_check_valid_range(__first, __last);
_Base::assign(__first, __last);
this->_M_invalidate_all();
}
void
assign(size_type __n, const _Tp& __t)
{
_Base::assign(__n, __t);
this->_M_invalidate_all();
}
using _Base::get_allocator;
// iterators:
iterator
begin()
{ return iterator(_Base::begin(), this); }
const_iterator
begin() const
{ return const_iterator(_Base::begin(), this); }
iterator
end()
{ return iterator(_Base::end(), this); }
const_iterator
end() const
{ return const_iterator(_Base::end(), this); }
reverse_iterator
rbegin()
{ return reverse_iterator(end()); }
const_reverse_iterator
rbegin() const
{ return const_reverse_iterator(end()); }
reverse_iterator
rend()
{ return reverse_iterator(begin()); }
const_reverse_iterator
rend() const
{ return const_reverse_iterator(begin()); }
#ifdef __GXX_EXPERIMENTAL_CXX0X__
const_iterator
cbegin() const
{ return const_iterator(_Base::begin(), this); }
const_iterator
cend() const
{ return const_iterator(_Base::end(), this); }
const_reverse_iterator
crbegin() const
{ return const_reverse_iterator(end()); }
const_reverse_iterator
crend() const
{ return const_reverse_iterator(begin()); }
#endif
// 23.2.2.2 capacity:
using _Base::empty;
using _Base::size;
using _Base::max_size;
void
resize(size_type __sz, _Tp __c = _Tp())
{
this->_M_detach_singular();
// if __sz < size(), invalidate all iterators in [begin+__sz, end())
iterator __victim = begin();
iterator __end = end();
for (size_type __i = __sz; __victim != __end && __i > 0; --__i)
++__victim;
while (__victim != __end)
{
iterator __real_victim = __victim++;
__real_victim._M_invalidate();
}
__try
{
_Base::resize(__sz, __c);
}
__catch(...)
{
this->_M_revalidate_singular();
__throw_exception_again;
}
}
// element access:
reference
front()
{
__glibcxx_check_nonempty();
return _Base::front();
}
const_reference
front() const
{
__glibcxx_check_nonempty();
return _Base::front();
}
reference
back()
{
__glibcxx_check_nonempty();
return _Base::back();
}
const_reference
back() const
{
__glibcxx_check_nonempty();
return _Base::back();
}
// 23.2.2.3 modifiers:
using _Base::push_front;
#ifdef __GXX_EXPERIMENTAL_CXX0X__
using _Base::emplace_front;
#endif
void
pop_front()
{
__glibcxx_check_nonempty();
iterator __victim = begin();
__victim._M_invalidate();
_Base::pop_front();
}
using _Base::push_back;
#ifdef __GXX_EXPERIMENTAL_CXX0X__
using _Base::emplace_back;
#endif
void
pop_back()
{
__glibcxx_check_nonempty();
iterator __victim = end();
--__victim;
__victim._M_invalidate();
_Base::pop_back();
}
#ifdef __GXX_EXPERIMENTAL_CXX0X__
template<typename... _Args>
iterator
emplace(iterator __position, _Args&&... __args)
{
__glibcxx_check_insert(__position);
return iterator(_Base::emplace(__position.base(),
std::forward<_Args>(__args)...), this);
}
#endif
iterator
insert(iterator __position, const _Tp& __x)
{
__glibcxx_check_insert(__position);
return iterator(_Base::insert(__position.base(), __x), this);
}
#ifdef __GXX_EXPERIMENTAL_CXX0X__
iterator
insert(iterator __position, _Tp&& __x)
{ return emplace(__position, std::move(__x)); }
void
insert(iterator __p, initializer_list<value_type> __l)
{
__glibcxx_check_insert(__p);
_Base::insert(__p, __l);
}
#endif
void
insert(iterator __position, size_type __n, const _Tp& __x)
{
__glibcxx_check_insert(__position);
_Base::insert(__position.base(), __n, __x);
}
template<class _InputIterator>
void
insert(iterator __position, _InputIterator __first,
_InputIterator __last)
{
__glibcxx_check_insert_range(__position, __first, __last);
_Base::insert(__position.base(), __first, __last);
}
iterator
erase(iterator __position)
{
__glibcxx_check_erase(__position);
__position._M_invalidate();
return iterator(_Base::erase(__position.base()), this);
}
iterator
erase(iterator __position, iterator __last)
{
// _GLIBCXX_RESOLVE_LIB_DEFECTS
// 151. can't currently clear() empty container
__glibcxx_check_erase_range(__position, __last);
for (iterator __victim = __position; __victim != __last; )
{
iterator __old = __victim;
++__victim;
__old._M_invalidate();
}
return iterator(_Base::erase(__position.base(), __last.base()), this);
}
void
swap(list& __x)
{
_Base::swap(__x);
this->_M_swap(__x);
}
void
clear()
{
_Base::clear();
this->_M_invalidate_all();
}
// 23.2.2.4 list operations:
void
#ifdef __GXX_EXPERIMENTAL_CXX0X__
splice(iterator __position, list&& __x)
#else
splice(iterator __position, list& __x)
#endif
{
_GLIBCXX_DEBUG_VERIFY(&__x != this,
_M_message(__gnu_debug::__msg_self_splice)
._M_sequence(*this, "this"));
this->splice(__position, _GLIBCXX_MOVE(__x), __x.begin(), __x.end());
}
#ifdef __GXX_EXPERIMENTAL_CXX0X__
void
splice(iterator __position, list& __x)
{ splice(__position, std::move(__x)); }
#endif
void
#ifdef __GXX_EXPERIMENTAL_CXX0X__
splice(iterator __position, list&& __x, iterator __i)
#else
splice(iterator __position, list& __x, iterator __i)
#endif
{
__glibcxx_check_insert(__position);
// We used to perform the splice_alloc check: not anymore, redundant
// after implementing the relevant bits of N1599.
_GLIBCXX_DEBUG_VERIFY(__i._M_dereferenceable(),
_M_message(__gnu_debug::__msg_splice_bad)
._M_iterator(__i, "__i"));
_GLIBCXX_DEBUG_VERIFY(__i._M_attached_to(&__x),
_M_message(__gnu_debug::__msg_splice_other)
._M_iterator(__i, "__i")._M_sequence(__x, "__x"));
// _GLIBCXX_RESOLVE_LIB_DEFECTS
// 250. splicing invalidates iterators
this->_M_transfer_iter(__i);
_Base::splice(__position.base(), _GLIBCXX_MOVE(__x._M_base()),
__i.base());
}
#ifdef __GXX_EXPERIMENTAL_CXX0X__
void
splice(iterator __position, list& __x, iterator __i)
{ splice(__position, std::move(__x), __i); }
#endif
void
#ifdef __GXX_EXPERIMENTAL_CXX0X__
splice(iterator __position, list&& __x, iterator __first,
iterator __last)
#else
splice(iterator __position, list& __x, iterator __first,
iterator __last)
#endif
{
__glibcxx_check_insert(__position);
__glibcxx_check_valid_range(__first, __last);
_GLIBCXX_DEBUG_VERIFY(__first._M_attached_to(&__x),
_M_message(__gnu_debug::__msg_splice_other)
._M_sequence(__x, "x")
._M_iterator(__first, "first"));
// We used to perform the splice_alloc check: not anymore, redundant
// after implementing the relevant bits of N1599.
for (iterator __tmp = __first; __tmp != __last; )
{
_GLIBCXX_DEBUG_VERIFY(&__x != this || __tmp != __position,
_M_message(__gnu_debug::__msg_splice_overlap)
._M_iterator(__tmp, "position")
._M_iterator(__first, "first")
._M_iterator(__last, "last"));
iterator __victim = __tmp++;
// _GLIBCXX_RESOLVE_LIB_DEFECTS
// 250. splicing invalidates iterators
this->_M_transfer_iter(__victim);
}
_Base::splice(__position.base(), _GLIBCXX_MOVE(__x._M_base()),
__first.base(), __last.base());
}
#ifdef __GXX_EXPERIMENTAL_CXX0X__
void
splice(iterator __position, list& __x, iterator __first, iterator __last)
{ splice(__position, std::move(__x), __first, __last); }
#endif
void
remove(const _Tp& __value)
{
for (iterator __x = begin(); __x.base() != _Base::end(); )
{
if (*__x == __value)
__x = erase(__x);
else
++__x;
}
}
template<class _Predicate>
void
remove_if(_Predicate __pred)
{
for (iterator __x = begin(); __x.base() != _Base::end(); )
{
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)
{
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)
{
if (__binary_pred(*__first, *__next))
erase(__next);
else
__first = __next;
__next = __first;
}
}
void
#ifdef __GXX_EXPERIMENTAL_CXX0X__
merge(list&& __x)
#else
merge(list& __x)
#endif
{
// _GLIBCXX_RESOLVE_LIB_DEFECTS
// 300. list::merge() specification incomplete
if (this != &__x)
{
__glibcxx_check_sorted(_Base::begin(), _Base::end());
__glibcxx_check_sorted(__x.begin().base(), __x.end().base());
for (iterator __tmp = __x.begin(); __tmp != __x.end();)
{
iterator __victim = __tmp++;
this->_M_transfer_iter(__victim);
}
_Base::merge(_GLIBCXX_MOVE(__x._M_base()));
}
}
#ifdef __GXX_EXPERIMENTAL_CXX0X__
void
merge(list& __x)
{ merge(std::move(__x)); }
#endif
template<class _Compare>
void
#ifdef __GXX_EXPERIMENTAL_CXX0X__
merge(list&& __x, _Compare __comp)
#else
merge(list& __x, _Compare __comp)
#endif
{
// _GLIBCXX_RESOLVE_LIB_DEFECTS
// 300. list::merge() specification incomplete
if (this != &__x)
{
__glibcxx_check_sorted_pred(_Base::begin(), _Base::end(),
__comp);
__glibcxx_check_sorted_pred(__x.begin().base(), __x.end().base(),
__comp);
for (iterator __tmp = __x.begin(); __tmp != __x.end();)
{
iterator __victim = __tmp++;
this->_M_transfer_iter(__victim);
}
_Base::merge(_GLIBCXX_MOVE(__x._M_base()), __comp);
}
}
#ifdef __GXX_EXPERIMENTAL_CXX0X__
template<typename _Compare>
void
merge(list& __x, _Compare __comp)
{ merge(std::move(__x), __comp); }
#endif
void
sort() { _Base::sort(); }
template<typename _StrictWeakOrdering>
void
sort(_StrictWeakOrdering __pred) { _Base::sort(__pred); }
using _Base::reverse;
_Base&
_M_base() { return *this; }
const _Base&
_M_base() const { return *this; }
private:
void
_M_invalidate_all()
{
typedef typename _Base::const_iterator _Base_const_iterator;
typedef __gnu_debug::_Not_equal_to<_Base_const_iterator> _Not_equal;
this->_M_invalidate_if(_Not_equal(_M_base().end()));
}
};
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 __debug
} // namespace std
#endif
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