mpl.hh

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00001 // $Id: mpl.hh 1742 2010-11-04 14:51:56Z g0dil $
00002 //
00003 // Copyright (C) 2007
00004 // Fraunhofer (FOKUS)
00005 // Competence Center NETwork research (NET), St. Augustin, GERMANY
00006 //     Stefan Bund <g0dil@berlios.de>
00007 //
00008 // This program is free software; you can redistribute it and/or modify
00009 // it under the terms of the GNU General Public License as published by
00010 // the Free Software Foundation; either version 2 of the License, or
00011 // (at your option) any later version.
00012 //
00013 // This program is distributed in the hope that it will be useful,
00014 // but WITHOUT ANY WARRANTY; without even the implied warranty of
00015 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
00016 // GNU General Public License for more details.
00017 //
00018 // You should have received a copy of the GNU General Public License
00019 // along with this program; if not, write to the
00020 // Free Software Foundation, Inc.,
00021 // 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
00022 
00026 #ifndef HH_SENF_Utils_mpl_
00027 #define HH_SENF_Utils_mpl_ 1
00028 
00029 // Custom includes
00030 #include <senf/config.hh>
00031 
00032 //#include "mpl.mpp"
00033 #include "mpl.ih"
00034 //-/////////////////////////////////////////////////////////////////////////////////////////////////
00035 
00036 namespace senf {
00037 namespace mpl {
00038 
00050     struct nil {};
00051 
00115     template <unsigned n>
00116     struct rv {
00117         char _[SENF_MPL_RV_ALIGNMENT][n+1];
00118     };
00119 
00128 #   define SENF_MPL_RV(expr) (sizeof(expr)/SENF_MPL_RV_ALIGNMENT-1)
00129 
00138     template <unsigned long _> struct take_uint {};
00139 
00148     template <long _> struct take_int {};
00149 
00157     template <class _> struct take_class {};
00158 
00159 #ifndef SENF_MPL_SLOT_NOEXPAND
00160 
00192 #   define SENF_MPL_SLOT_DEF(name,value)                                                          \
00193         template <class _>                                                                        \
00194         static senf::mpl::rv<0> _SENF_MPL_SLOT_ ## name (_);                                      \
00195         SENF_MPL_SLOT_SET(name,value)
00196 
00204 #   define SENF_MPL_SLOT_DEF_ZERO(name)                                                           \
00205         template <class _>                                                                        \
00206         static senf::mpl::rv<0> _SENF_MPL_SLOT_ ## name (_);
00207 
00213 #   define SENF_MPL_SLOT_SET(name,value)                                                          \
00214         static senf::mpl::rv<unsigned(value)+1>                                                   \
00215             _SENF_MPL_SLOT_ ## name (senf::mpl::take_int<__LINE__>)
00216 
00222 #   define SENF_MPL_SLOT_GET(name)                                                                \
00223         SENF_MPL_SLOT_I_GET(name)
00224 
00225 #endif
00226 
00227 }}
00228 
00229 //-/////////////////////////////////////////////////////////////////////////////////////////////////
00230 //#include "mpl.cci"
00231 //#include "mpl.ct"
00232 //#include "mpl.cti"
00233 #endif
00234 
00235 
00236 // Local Variables:
00237 // mode: c++
00238 // fill-column: 100
00239 // comment-column: 40
00240 // c-file-style: "senf"
00241 // indent-tabs-mode: nil
00242 // ispell-local-dictionary: "american"
00243 // compile-command: "scons -u test"
00244 // End:
SENF Extensible Network Framework

mpl.hh
