aux_/preprocessor/params.hpp

0001
0002 #ifndef BOOST_MPL_AUX_PREPROCESSOR_PARAMS_HPP_INCLUDED
0003 #define BOOST_MPL_AUX_PREPROCESSOR_PARAMS_HPP_INCLUDED
0004
0005 // Copyright Aleksey Gurtovoy 2000-2004
0006 //
0007 // Distributed under the Boost Software License, Version 1.0.
0008 // (See accompanying file LICENSE_1_0.txt or copy at
0009 // http://www.boost.org/LICENSE_1_0.txt)
0010 //
0011 // See http://www.boost.org/libs/mpl for documentation.
0012
0013 // $Id$
0014 // $Date$
0015 // $Revision$
0016
0017 #include <boost/mpl/aux_/config/preprocessor.hpp>
0018
0019 // BOOST_MPL_PP_PARAMS(0,T): <nothing>
0020 // BOOST_MPL_PP_PARAMS(1,T): T1
0021 // BOOST_MPL_PP_PARAMS(2,T): T1, T2
0022 // BOOST_MPL_PP_PARAMS(n,T): T1, T2, .., Tn
0023
0024 #if !defined(BOOST_MPL_CFG_NO_OWN_PP_PRIMITIVES)
0025
0026 #   include <boost/preprocessor/cat.hpp>
0027
0028 #   define BOOST_MPL_PP_PARAMS(n,p) \
0029     BOOST_PP_CAT(BOOST_MPL_PP_PARAMS_,n)(p) \
0030     /**/
0031
0032 #   define BOOST_MPL_PP_PARAMS_Z(z_ignored,n,p) \
0033     BOOST_PP_CAT(BOOST_MPL_PP_PARAMS_,n)(p) \
0034     /**/
0035
0036 #   define BOOST_MPL_PP_PARAMS_0(p)
0037 #   define BOOST_MPL_PP_PARAMS_1(p) p##1
0038 #   define BOOST_MPL_PP_PARAMS_2(p) p##1,p##2
0039 #   define BOOST_MPL_PP_PARAMS_3(p) p##1,p##2,p##3
0040 #   define BOOST_MPL_PP_PARAMS_4(p) p##1,p##2,p##3,p##4
0041 #   define BOOST_MPL_PP_PARAMS_5(p) p##1,p##2,p##3,p##4,p##5
0042 #   define BOOST_MPL_PP_PARAMS_6(p) p##1,p##2,p##3,p##4,p##5,p##6
0043 #   define BOOST_MPL_PP_PARAMS_7(p) p##1,p##2,p##3,p##4,p##5,p##6,p##7
0044 #   define BOOST_MPL_PP_PARAMS_8(p) p##1,p##2,p##3,p##4,p##5,p##6,p##7,p##8
0045 #   define BOOST_MPL_PP_PARAMS_9(p) p##1,p##2,p##3,p##4,p##5,p##6,p##7,p##8,p##9
0046
0047 #else
0048
0049 #   include <boost/preprocessor/comma_if.hpp>
0050 #   include <boost/preprocessor/repeat.hpp>
0051 #   include <boost/preprocessor/inc.hpp>
0052 #   include <boost/preprocessor/cat.hpp>
0053
0054 #   define BOOST_MPL_PP_AUX_PARAM_FUNC(unused, i, param) \
0055     BOOST_PP_COMMA_IF(i) \
0056     BOOST_PP_CAT(param, BOOST_PP_INC(i)) \
0057     /**/
0058
0059 #   define BOOST_MPL_PP_PARAMS(n, param) \
0060     BOOST_PP_REPEAT( \
0061           n \
0062         , BOOST_MPL_PP_AUX_PARAM_FUNC \
0063         , param \
0064         ) \
0065     /**/
0066
0067 #   define BOOST_MPL_PP_PARAMS_Z(z, n, param) \
0068     BOOST_PP_REPEAT_ ## z( \
0069           n \
0070         , BOOST_MPL_PP_AUX_PARAM_FUNC \
0071         , param \
0072         ) \
0073     /**/
0074
0075 #endif
0076
0077 #endif // BOOST_MPL_AUX_PREPROCESSOR_PARAMS_HPP_INCLUDED