// Copyright (c) 2014
// INRIA Saclay-Ile de France (France)
//
// This file is part of CGAL (www.cgal.org); you can redistribute it and/or
// modify it under the terms of the GNU Lesser General Public License as
// published by the Free Software Foundation; either version 3 of the License,
// or (at your option) any later version.
//
// Licensees holding a valid commercial license may use this file in
// accordance with the commercial license agreement provided with the software.
//
// This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
// WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
//
// $URL$
// $Id$
// SPDX-License-Identifier: LGPL-3.0+
//
// Author(s)     : Marc Glisse

#ifndef CGAL_DEFINE_KERNEL_TYPES_H
#define CGAL_DEFINE_KERNEL_TYPES_H
#include <CGAL/config.h>
#include <CGAL/NewKernel_d/functor_tags.h>
#include <CGAL/typeset.h>
#ifdef CGAL_CXX11
#include <type_traits>
#else
#include <boost/type_traits.hpp>
#endif

namespace CGAL {
  namespace internal {
    template<class K,class Tag_,bool=iterator_tag_traits<Tag_>::is_iterator>
      struct Type_or_iter : K::template Type<Tag_> {};
    template<class K,class Tag_>
      struct Type_or_iter<K, Tag_, true> : K::template Iterator<Tag_> {};
  }
  template<class K, class Base=K, class List=typename typeset_union<typename K::Object_list,typename K::Iterator_list>::type> struct Define_kernel_types;
  template<class K, class Base>
    struct Define_kernel_types <K, Base, typeset<> > : Base {};
  template<class K>
    struct Define_kernel_types <K, void, typeset<> > {};
  template<class K, class Base, class List>
    struct Define_kernel_types :
      Typedef_tag_type<typename List::head,
        typename internal::Type_or_iter<K,typename List::head>::type,
	Define_kernel_types<K, Base, typename List::tail>
      > {};
}
#endif
