list/aux_/numbered_c.hpp

0001
0002 // NO INCLUDE GUARDS, THE HEADER IS INTENDED FOR MULTIPLE INCLUSION
0003
0004 // Copyright Aleksey Gurtovoy 2000-2004
0005 //
0006 // Distributed under the Boost Software License, Version 1.0.
0007 // (See accompanying file LICENSE_1_0.txt or copy at
0008 // http://www.boost.org/LICENSE_1_0.txt)
0009 //
0010 // See http://www.boost.org/libs/mpl for documentation.
0011
0012 // $Id$
0013 // $Date$
0014 // $Revision$
0015
0016 #if defined(BOOST_PP_IS_ITERATING)
0017
0018 #include <boost/preprocessor/enum_params.hpp>
0019 #include <boost/preprocessor/enum_shifted_params.hpp>
0020 #include <boost/preprocessor/dec.hpp>
0021 #include <boost/preprocessor/cat.hpp>
0022
0023 #define i BOOST_PP_FRAME_ITERATION(1)
0024
0025 #if i == 1
0026
0027 template<
0028       typename T
0029     , BOOST_PP_ENUM_PARAMS(i, T C)
0030     >
0031 struct list1_c
0032     : l_item<
0033           long_<1>
0034         , integral_c<T,C0>
0035         , l_end
0036         >
0037 {
0038     typedef list1_c type;
0039     typedef T value_type;
0040 };
0041
0042 #else
0043
0044 #   define MPL_AUX_LIST_C_TAIL(list, i, C) \
0045     BOOST_PP_CAT(BOOST_PP_CAT(list,BOOST_PP_DEC(i)),_c)<T, \
0046       BOOST_PP_ENUM_SHIFTED_PARAMS(i, C) \
0047     > \
0048     /**/
0049
0050 template<
0051       typename T
0052     , BOOST_PP_ENUM_PARAMS(i, T C)
0053     >
0054 struct BOOST_PP_CAT(BOOST_PP_CAT(list,i),_c)
0055     : l_item<
0056           long_<i>
0057         , integral_c<T,C0>
0058         , MPL_AUX_LIST_C_TAIL(list,i,C)
0059         >
0060 {
0061     typedef BOOST_PP_CAT(BOOST_PP_CAT(list,i),_c) type;
0062     typedef T value_type;
0063 };
0064
0065 #   undef MPL_AUX_LIST_C_TAIL
0066
0067 #endif // i == 1
0068
0069 #undef i
0070
0071 #endif // BOOST_PP_IS_ITERATING