/* Copyright (c) 1997-2021
   Ewgenij Gawrilow, Michael Joswig, and the polymake team
   Technische Universität Berlin, Germany
   https://polymake.org

   This program 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 2, or (at your option) any
   later version: http://www.gnu.org/licenses/gpl.txt.

   This program 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.
--------------------------------------------------------------------------------
*/

#ifndef POLYMAKE_LIST_
#define POLYMAKE_LIST_

#include <list>
#include <cstring>
#include <new>

#include "polymake/internal/iterators.h"

namespace pm {

template <typename Value, typename Alloc>
struct spec_object_traits< std::list<Value,Alloc> >
   : spec_object_traits<is_container> {
   static const IO_separator_kind IO_separator=IO_sep_inherit;
};

template <typename Value, typename Alloc> inline
void relocate(std::list<Value,Alloc>* from, std::list<Value,Alloc>* to)
{
   construct_at(to)->swap(*from);
   destroy_at(from);
}

#if defined(__GLIBCXX__)

#ifndef _GLIBCXX_STD
#define _GLIBCXX_STD _GLIBCXX_STD_A
#endif

template <typename Value>
struct iterator_cross_const_helper<_GLIBCXX_STD::_List_iterator<Value>, true> {
   typedef _GLIBCXX_STD::_List_iterator<Value> iterator;
   typedef _GLIBCXX_STD::_List_const_iterator<Value> const_iterator;
};

template <typename Value>
struct iterator_cross_const_helper<_GLIBCXX_STD::_List_const_iterator<Value>, true> {
   typedef _GLIBCXX_STD::_List_iterator<Value> iterator;
   typedef _GLIBCXX_STD::_List_const_iterator<Value> const_iterator;
};

#elif defined(_LIBCPP_VERSION)

template <typename Value>
struct iterator_cross_const_helper<std::__list_iterator<Value,void*>,true>{
   typedef std::__list_iterator<Value,void*> iterator;
   typedef std::__list_const_iterator<Value,void*> const_iterator;
};

template <typename Value>
struct iterator_cross_const_helper<std::__list_const_iterator<Value,void*>,true>{
   typedef std::__list_iterator<Value,void*> iterator;
   typedef std::__list_const_iterator<Value,void*> const_iterator;
};

#endif

} // end namespace pm

#endif // POLYMAKE_LIST_

// Local Variables:
// mode:C++
// c-basic-offset:3
// indent-tabs-mode:nil
// End:
