boost/mpl/aux_/preprocessor/params.hpp

   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: 2008-10-11 02:19:02 -0400 (Sat, 11 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