// Debugging unordered_map/unordered_multimap implementation -*- C++ -*-
// Copyright (C) 2003, 2004, 2005, 2006, 2007, 2008, 2009
// 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/unordered_map
* This file is a GNU debug extension to the Standard C++ Library.
*/
#ifndef _GLIBCXX_DEBUG_UNORDERED_MAP
#define _GLIBCXX_DEBUG_UNORDERED_MAP 1
#ifdef __GXX_EXPERIMENTAL_CXX0X__
# include <unordered_map>
#else
# include <c++0x_warning.h>
#endif
#include <debug/safe_sequence.h>
#include <debug/safe_iterator.h>
#include <initializer_list>
namespace std
{
namespace __debug
{
template<typename _Key, typename _Tp,
typename _Hash = std::hash<_Key>,
typename _Pred = std::equal_to<_Key>,
typename _Alloc = std::allocator<_Key> >
class unordered_map
: public _GLIBCXX_STD_D::unordered_map<_Key, _Tp, _Hash, _Pred, _Alloc>,
public __gnu_debug::_Safe_sequence<unordered_map<_Key, _Tp, _Hash,
_Pred, _Alloc> >
{
typedef _GLIBCXX_STD_D::unordered_map<_Key, _Tp, _Hash,
_Pred, _Alloc> _Base;
typedef __gnu_debug::_Safe_sequence<unordered_map> _Safe_base;
public:
typedef typename _Base::size_type size_type;
typedef typename _Base::hasher hasher;
typedef typename _Base::key_equal key_equal;
typedef typename _Base::allocator_type allocator_type;
typedef typename _Base::key_type key_type;
typedef typename _Base::value_type value_type;
typedef __gnu_debug::_Safe_iterator<typename _Base::iterator,
unordered_map> iterator;
typedef __gnu_debug::_Safe_iterator<typename _Base::const_iterator,
unordered_map> const_iterator;
explicit
unordered_map(size_type __n = 10,
const hasher& __hf = hasher(),
const key_equal& __eql = key_equal(),
const allocator_type& __a = allocator_type())
: _Base(__n, __hf, __eql, __a) { }
template<typename _InputIterator>
unordered_map(_InputIterator __f, _InputIterator __l,
size_type __n = 10,
const hasher& __hf = hasher(),
const key_equal& __eql = key_equal(),
const allocator_type& __a = allocator_type())
: _Base(__gnu_debug::__check_valid_range(__f, __l), __l, __n,
__hf, __eql, __a), _Safe_base() { }
unordered_map(const unordered_map& __x)
: _Base(__x), _Safe_base() { }
unordered_map(const _Base& __x)
: _Base(__x), _Safe_base() { }
unordered_map(unordered_map&& __x)
: _Base(std::forward<unordered_map>(__x)), _Safe_base() { }
unordered_map(initializer_list<value_type> __l,
size_type __n = 10,
const hasher& __hf = hasher(),
const key_equal& __eql = key_equal(),
const allocator_type& __a = allocator_type())
: _Base(__l, __n, __hf, __eql, __a), _Safe_base() { }
unordered_map&
operator=(const unordered_map& __x)
{
*static_cast<_Base*>(this) = __x;
this->_M_invalidate_all();
return *this;
}
unordered_map&
operator=(unordered_map&& __x)
{
// NB: DR 675.
clear();
swap(__x);
return *this;
}
unordered_map&
operator=(initializer_list<value_type> __l)
{
this->clear();
this->insert(__l);
return *this;
}
void
swap(unordered_map&& __x)
{
_Base::swap(__x);
_Safe_base::_M_swap(__x);
}
void
clear()
{
_Base::clear();
this->_M_invalidate_all();
}
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); }
const_iterator
cbegin() const
{ return const_iterator(_Base::begin(), this); }
const_iterator
cend() const
{ return const_iterator(_Base::end(), this); }
// local versions
using _Base::begin;
using _Base::end;
using _Base::cbegin;
using _Base::cend;
std::pair<iterator, bool>
insert(const value_type& __obj)
{
typedef std::pair<typename _Base::iterator, bool> __pair_type;
__pair_type __res = _Base::insert(__obj);
return std::make_pair(iterator(__res.first, this), __res.second);
}
iterator
insert(iterator, const value_type& __obj)
{
typedef std::pair<typename _Base::iterator, bool> __pair_type;
__pair_type __res = _Base::insert(__obj);
return iterator(__res.first, this);
}
const_iterator
insert(const_iterator, const value_type& __obj)
{
typedef std::pair<typename _Base::iterator, bool> __pair_type;
__pair_type __res = _Base::insert(__obj);
return const_iterator(__res.first, this);
}
void
insert(std::initializer_list<value_type> __l)
{ _Base::insert(__l); }
template<typename _InputIterator>
void
insert(_InputIterator __first, _InputIterator __last)
{
__glibcxx_check_valid_range(__first, __last);
_Base::insert(__first, __last);
}
iterator
find(const key_type& __key)
{ return iterator(_Base::find(__key), this); }
const_iterator
find(const key_type& __key) const
{ return const_iterator(_Base::find(__key), this); }
std::pair<iterator, iterator>
equal_range(const key_type& __key)
{
typedef typename _Base::iterator _Base_iterator;
typedef std::pair<_Base_iterator, _Base_iterator> __pair_type;
__pair_type __res = _Base::equal_range(__key);
return std::make_pair(iterator(__res.first, this),
iterator(__res.second, this));
}
std::pair<const_iterator, const_iterator>
equal_range(const key_type& __key) const
{
typedef typename _Base::const_iterator _Base_iterator;
typedef std::pair<_Base_iterator, _Base_iterator> __pair_type;
__pair_type __res = _Base::equal_range(__key);
return std::make_pair(const_iterator(__res.first, this),
const_iterator(__res.second, this));
}
size_type
erase(const key_type& __key)
{
size_type __ret(0);
iterator __victim(_Base::find(__key), this);
if (__victim != end())
{
this->erase(__victim);
__ret = 1;
}
return __ret;
}
iterator
erase(iterator __it)
{
__glibcxx_check_erase(__it);
__it._M_invalidate();
return iterator(_Base::erase(__it.base()), this);
}
const_iterator
erase(const_iterator __it)
{
__glibcxx_check_erase(__it);
__it._M_invalidate();
return const_iterator(_Base::erase(__it.base()), this);
}
iterator
erase(iterator __first, iterator __last)
{
__glibcxx_check_erase_range(__first, __last);
for (iterator __tmp = __first; __tmp != __last;)
{
iterator __victim = __tmp++;
__victim._M_invalidate();
}
return iterator(_Base::erase(__first.base(),
__last.base()), this);
}
const_iterator
erase(const_iterator __first, const_iterator __last)
{
__glibcxx_check_erase_range(__first, __last);
for (const_iterator __tmp = __first; __tmp != __last;)
{
const_iterator __victim = __tmp++;
__victim._M_invalidate();
}
return const_iterator(_Base::erase(__first.base(),
__last.base()), this);
}
_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 _Key, typename _Tp, typename _Hash,
typename _Pred, typename _Alloc>
inline void
swap(unordered_map<_Key, _Tp, _Hash, _Pred, _Alloc>& __x,
unordered_map<_Key, _Tp, _Hash, _Pred, _Alloc>& __y)
{ __x.swap(__y); }
template<typename _Key, typename _Tp, typename _Hash,
typename _Pred, typename _Alloc>
inline void
swap(unordered_map<_Key, _Tp, _Hash, _Pred, _Alloc>&& __x,
unordered_map<_Key, _Tp, _Hash, _Pred, _Alloc>& __y)
{ __x.swap(__y); }
template<typename _Key, typename _Tp, typename _Hash,
typename _Pred, typename _Alloc>
inline void
swap(unordered_map<_Key, _Tp, _Hash, _Pred, _Alloc>& __x,
unordered_map<_Key, _Tp, _Hash, _Pred, _Alloc>&& __y)
{ __x.swap(__y); }
template<typename _Key, typename _Tp,
typename _Hash = std::hash<_Key>,
typename _Pred = std::equal_to<_Key>,
typename _Alloc = std::allocator<_Key> >
class unordered_multimap
: public _GLIBCXX_STD_D::unordered_multimap<_Key, _Tp, _Hash,
_Pred, _Alloc>,
public __gnu_debug::_Safe_sequence<unordered_multimap<_Key, _Tp, _Hash,
_Pred, _Alloc> >
{
typedef _GLIBCXX_STD_D::unordered_multimap<_Key, _Tp, _Hash,
_Pred, _Alloc> _Base;
typedef __gnu_debug::_Safe_sequence<unordered_multimap> _Safe_base;
public:
typedef typename _Base::size_type size_type;
typedef typename _Base::hasher hasher;
typedef typename _Base::key_equal key_equal;
typedef typename _Base::allocator_type allocator_type;
typedef typename _Base::key_type key_type;
typedef typename _Base::value_type value_type;
typedef __gnu_debug::_Safe_iterator<typename _Base::iterator,
unordered_multimap> iterator;
typedef __gnu_debug::_Safe_iterator<typename _Base::const_iterator,
unordered_multimap> const_iterator;
explicit
unordered_multimap(size_type __n = 10,
const hasher& __hf = hasher(),
const key_equal& __eql = key_equal(),
const allocator_type& __a = allocator_type())
: _Base(__n, __hf, __eql, __a) { }
template<typename _InputIterator>
unordered_multimap(_InputIterator __f, _InputIterator __l,
size_type __n = 10,
const hasher& __hf = hasher(),
const key_equal& __eql = key_equal(),
const allocator_type& __a = allocator_type())
: _Base(__gnu_debug::__check_valid_range(__f, __l), __l, __n,
__hf, __eql, __a), _Safe_base() { }
unordered_multimap(const unordered_multimap& __x)
: _Base(__x), _Safe_base() { }
unordered_multimap(const _Base& __x)
: _Base(__x), _Safe_base() { }
unordered_multimap(unordered_multimap&& __x)
: _Base(std::forward<unordered_multimap>(__x)), _Safe_base() { }
unordered_multimap(initializer_list<value_type> __l,
size_type __n = 10,
const hasher& __hf = hasher(),
const key_equal& __eql = key_equal(),
const allocator_type& __a = allocator_type())
: _Base(__l, __n, __hf, __eql, __a), _Safe_base() { }
unordered_multimap&
operator=(const unordered_multimap& __x)
{
*static_cast<_Base*>(this) = __x;
this->_M_invalidate_all();
return *this;
}
unordered_multimap&
operator=(unordered_multimap&& __x)
{
// NB: DR 675.
clear();
swap(__x);
return *this;
}
unordered_multimap&
operator=(initializer_list<value_type> __l)
{
this->clear();
this->insert(__l);
return *this;
}
void
swap(unordered_multimap&& __x)
{
_Base::swap(__x);
_Safe_base::_M_swap(__x);
}
void
clear()
{
_Base::clear();
this->_M_invalidate_all();
}
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); }
const_iterator
cbegin() const
{ return const_iterator(_Base::begin(), this); }
const_iterator
cend() const
{ return const_iterator(_Base::end(), this); }
// local versions
using _Base::begin;
using _Base::end;
using _Base::cbegin;
using _Base::cend;
iterator
insert(const value_type& __obj)
{ return iterator(_Base::insert(__obj), this); }
iterator
insert(iterator, const value_type& __obj)
{ return iterator(_Base::insert(__obj), this); }
const_iterator
insert(const_iterator, const value_type& __obj)
{ return const_iterator(_Base::insert(__obj), this); }
void
insert(std::initializer_list<value_type> __l)
{ _Base::insert(__l); }
template<typename _InputIterator>
void
insert(_InputIterator __first, _InputIterator __last)
{
__glibcxx_check_valid_range(__first, __last);
_Base::insert(__first, __last);
}
iterator
find(const key_type& __key)
{ return iterator(_Base::find(__key), this); }
const_iterator
find(const key_type& __key) const
{ return const_iterator(_Base::find(__key), this); }
std::pair<iterator, iterator>
equal_range(const key_type& __key)
{
typedef typename _Base::iterator _Base_iterator;
typedef std::pair<_Base_iterator, _Base_iterator> __pair_type;
__pair_type __res = _Base::equal_range(__key);
return std::make_pair(iterator(__res.first, this),
iterator(__res.second, this));
}
std::pair<const_iterator, const_iterator>
equal_range(const key_type& __key) const
{
typedef typename _Base::const_iterator _Base_iterator;
typedef std::pair<_Base_iterator, _Base_iterator> __pair_type;
__pair_type __res = _Base::equal_range(__key);
return std::make_pair(const_iterator(__res.first, this),
const_iterator(__res.second, this));
}
size_type
erase(const key_type& __key)
{
size_type __ret(0);
iterator __victim(_Base::find(__key), this);
if (__victim != end())
{
this->erase(__victim);
__ret = 1;
}
return __ret;
}
iterator
erase(iterator __it)
{
__glibcxx_check_erase(__it);
__it._M_invalidate();
return iterator(_Base::erase(__it.base()), this);
}
const_iterator
erase(const_iterator __it)
{
__glibcxx_check_erase(__it);
__it._M_invalidate();
return const_iterator(_Base::erase(__it.base()), this);
}
iterator
erase(iterator __first, iterator __last)
{
__glibcxx_check_erase_range(__first, __last);
for (iterator __tmp = __first; __tmp != __last;)
{
iterator __victim = __tmp++;
__victim._M_invalidate();
}
return iterator(_Base::erase(__first.base(),
__last.base()), this);
}
const_iterator
erase(const_iterator __first, const_iterator __last)
{
__glibcxx_check_erase_range(__first, __last);
for (const_iterator __tmp = __first; __tmp != __last;)
{
const_iterator __victim = __tmp++;
__victim._M_invalidate();
}
return const_iterator(_Base::erase(__first.base(),
__last.base()), this);
}
_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 _Key, typename _Tp, typename _Hash,
typename _Pred, typename _Alloc>
inline void
swap(unordered_multimap<_Key, _Tp, _Hash, _Pred, _Alloc>& __x,
unordered_multimap<_Key, _Tp, _Hash, _Pred, _Alloc>& __y)
{ __x.swap(__y); }
template<typename _Key, typename _Tp, typename _Hash,
typename _Pred, typename _Alloc>
inline void
swap(unordered_multimap<_Key, _Tp, _Hash, _Pred, _Alloc>&& __x,
unordered_multimap<_Key, _Tp, _Hash, _Pred, _Alloc>& __y)
{ __x.swap(__y); }
template<typename _Key, typename _Tp, typename _Hash,
typename _Pred, typename _Alloc>
inline void
swap(unordered_multimap<_Key, _Tp, _Hash, _Pred, _Alloc>& __x,
unordered_multimap<_Key, _Tp, _Hash, _Pred, _Alloc>&& __y)
{ __x.swap(__y); }
} // namespace __debug
} // namespace std
#endif