mpl.hh

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//
// Copyright (c) 2020 Fraunhofer Institute for Applied Information Technology (FIT)
//                    Network Research Group (NET)
//                    Schloss Birlinghoven, 53754 Sankt Augustin, GERMANY
//                    Contact: support@wiback.org
//
// This file is part of the SENF code tree.
// It is licensed under the 3-clause BSD License (aka New BSD License).
// See LICENSE.txt in the top level directory for details or visit
// https://opensource.org/licenses/BSD-3-Clause
//


#ifndef HH_SENF_Utils_mpl_
#define HH_SENF_Utils_mpl_ 1

// Custom includes
#include <senf/config.hh>

//#include "mpl.mpp"
#include "mpl.ih"
//-/////////////////////////////////////////////////////////////////////////////////////////////////

namespace senf {
namespace mpl {

    struct nil {};

    template <unsigned n>
    struct rv {
        char _[SENF_MPL_RV_ALIGNMENT][n+1];
    };

#   define SENF_MPL_RV(expr) (sizeof(expr)/SENF_MPL_RV_ALIGNMENT-1)

    template <unsigned long _> struct take_uint {};

    template <long _> struct take_int {};

    template <class _> struct take_class {};

#ifndef SENF_MPL_SLOT_NOEXPAND

#   define SENF_MPL_SLOT_DEF(name,value)                                                          \
        template <class _>                                                                        \
        static senf::mpl::rv<0> _SENF_MPL_SLOT_ ## name (_);                                      \
        SENF_MPL_SLOT_SET(name,value)

#   define SENF_MPL_SLOT_DEF_ZERO(name)                                                           \
        template <class _>                                                                        \
        static senf::mpl::rv<0> _SENF_MPL_SLOT_ ## name (_);

#   define SENF_MPL_SLOT_SET(name,value)                                                          \
        static senf::mpl::rv<unsigned(value)+1>                                                   \
            _SENF_MPL_SLOT_ ## name (senf::mpl::take_int<__LINE__>)

#   define SENF_MPL_SLOT_GET(name)                                                                \
        SENF_MPL_SLOT_I_GET(name)

#endif

}}

//-/////////////////////////////////////////////////////////////////////////////////////////////////
//#include "mpl.cci"
//#include "mpl.ct"
//#include "mpl.cti"
#endif


// Local Variables:
// mode: c++
// fill-column: 100
// comment-column: 40
// c-file-style: "senf"
// indent-tabs-mode: nil
// ispell-local-dictionary: "american"
// compile-command: "scons -u test"
// End: