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      1 
      2 #ifndef BOOST_MPL_AUX_PREPROCESSOR_PARAMS_HPP_INCLUDED
      3 #define BOOST_MPL_AUX_PREPROCESSOR_PARAMS_HPP_INCLUDED
      4 
      5 // Copyright Aleksey Gurtovoy 2000-2004
      6 //
      7 // Distributed under the Boost Software License, Version 1.0.
      8 // (See accompanying file LICENSE_1_0.txt or copy at
      9 // http://www.boost.org/LICENSE_1_0.txt)
     10 //
     11 // See http://www.boost.org/libs/mpl for documentation.
     12 
     13 // $Id: params.hpp 49267 2008-10-11 06:19:02Z agurtovoy $
     14 // $Date: 2008-10-10 23:19:02 -0700 (Fri, 10 Oct 2008) $
     15 // $Revision: 49267 $
     16 
     17 #include <boost/mpl/aux_/config/preprocessor.hpp>
     18 
     19 // BOOST_MPL_PP_PARAMS(0,T): <nothing>
     20 // BOOST_MPL_PP_PARAMS(1,T): T1
     21 // BOOST_MPL_PP_PARAMS(2,T): T1, T2
     22 // BOOST_MPL_PP_PARAMS(n,T): T1, T2, .., Tn
     23 
     24 #if !defined(BOOST_MPL_CFG_NO_OWN_PP_PRIMITIVES)
     25 
     26 #   include <boost/preprocessor/cat.hpp>
     27 
     28 #   define BOOST_MPL_PP_PARAMS(n,p) \
     29     BOOST_PP_CAT(BOOST_MPL_PP_PARAMS_,n)(p) \
     30     /**/
     31 
     32 #   define BOOST_MPL_PP_PARAMS_0(p)
     33 #   define BOOST_MPL_PP_PARAMS_1(p) p##1
     34 #   define BOOST_MPL_PP_PARAMS_2(p) p##1,p##2
     35 #   define BOOST_MPL_PP_PARAMS_3(p) p##1,p##2,p##3
     36 #   define BOOST_MPL_PP_PARAMS_4(p) p##1,p##2,p##3,p##4
     37 #   define BOOST_MPL_PP_PARAMS_5(p) p##1,p##2,p##3,p##4,p##5
     38 #   define BOOST_MPL_PP_PARAMS_6(p) p##1,p##2,p##3,p##4,p##5,p##6
     39 #   define BOOST_MPL_PP_PARAMS_7(p) p##1,p##2,p##3,p##4,p##5,p##6,p##7
     40 #   define BOOST_MPL_PP_PARAMS_8(p) p##1,p##2,p##3,p##4,p##5,p##6,p##7,p##8
     41 #   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
     42 
     43 #else
     44 
     45 #   include <boost/preprocessor/comma_if.hpp>
     46 #   include <boost/preprocessor/repeat.hpp>
     47 #   include <boost/preprocessor/inc.hpp>
     48 #   include <boost/preprocessor/cat.hpp>
     49 
     50 #   define BOOST_MPL_PP_AUX_PARAM_FUNC(unused, i, param) \
     51     BOOST_PP_COMMA_IF(i) \
     52     BOOST_PP_CAT(param, BOOST_PP_INC(i)) \
     53     /**/
     54 
     55 #   define BOOST_MPL_PP_PARAMS(n, param) \
     56     BOOST_PP_REPEAT( \
     57           n \
     58         , BOOST_MPL_PP_AUX_PARAM_FUNC \
     59         , param \
     60         ) \
     61     /**/
     62 
     63 #endif
     64 
     65 #endif // BOOST_MPL_AUX_PREPROCESSOR_PARAMS_HPP_INCLUDED
     66