1 2 #ifndef BOOST_MPL_AUX_PREPROCESSOR_DEFAULT_PARAMS_HPP_INCLUDED 3 #define BOOST_MPL_AUX_PREPROCESSOR_DEFAULT_PARAMS_HPP_INCLUDED 4 5 // Copyright Aleksey Gurtovoy 2002-2004 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: default_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_DEFAULT_PARAMS(0,T,int): <nothing> 20 // BOOST_MPL_PP_DEFAULT_PARAMS(1,T,int): T1 = int 21 // BOOST_MPL_PP_DEFAULT_PARAMS(2,T,int): T1 = int, T2 = int 22 // BOOST_MPL_PP_DEFAULT_PARAMS(n,T,int): T1 = int, T2 = int, .., Tn = int 23 24 #if !defined(BOOST_MPL_CFG_NO_OWN_PP_PRIMITIVES) 25 26 # include <boost/preprocessor/cat.hpp> 27 28 # define BOOST_MPL_PP_DEFAULT_PARAMS(n,p,v) \ 29 BOOST_PP_CAT(BOOST_MPL_PP_DEFAULT_PARAMS_,n)(p,v) \ 30 /**/ 31 32 # define BOOST_MPL_PP_DEFAULT_PARAMS_0(p,v) 33 # define BOOST_MPL_PP_DEFAULT_PARAMS_1(p,v) p##1=v 34 # define BOOST_MPL_PP_DEFAULT_PARAMS_2(p,v) p##1=v,p##2=v 35 # define BOOST_MPL_PP_DEFAULT_PARAMS_3(p,v) p##1=v,p##2=v,p##3=v 36 # define BOOST_MPL_PP_DEFAULT_PARAMS_4(p,v) p##1=v,p##2=v,p##3=v,p##4=v 37 # define BOOST_MPL_PP_DEFAULT_PARAMS_5(p,v) p##1=v,p##2=v,p##3=v,p##4=v,p##5=v 38 # define BOOST_MPL_PP_DEFAULT_PARAMS_6(p,v) p##1=v,p##2=v,p##3=v,p##4=v,p##5=v,p##6=v 39 # define BOOST_MPL_PP_DEFAULT_PARAMS_7(p,v) p##1=v,p##2=v,p##3=v,p##4=v,p##5=v,p##6=v,p##7=v 40 # define BOOST_MPL_PP_DEFAULT_PARAMS_8(p,v) p##1=v,p##2=v,p##3=v,p##4=v,p##5=v,p##6=v,p##7=v,p##8=v 41 # define BOOST_MPL_PP_DEFAULT_PARAMS_9(p,v) p##1=v,p##2=v,p##3=v,p##4=v,p##5=v,p##6=v,p##7=v,p##8=v,p##9=v 42 43 #else 44 45 # include <boost/preprocessor/tuple/elem.hpp> 46 # include <boost/preprocessor/comma_if.hpp> 47 # include <boost/preprocessor/repeat.hpp> 48 # include <boost/preprocessor/inc.hpp> 49 # include <boost/preprocessor/cat.hpp> 50 51 # define BOOST_MPL_PP_AUX_DEFAULT_PARAM_FUNC(unused, i, pv) \ 52 BOOST_PP_COMMA_IF(i) \ 53 BOOST_PP_CAT( BOOST_PP_TUPLE_ELEM(2,0,pv), BOOST_PP_INC(i) ) \ 54 = BOOST_PP_TUPLE_ELEM(2,1,pv) \ 55 /**/ 56 57 # define BOOST_MPL_PP_DEFAULT_PARAMS(n, param, value) \ 58 BOOST_PP_REPEAT( \ 59 n \ 60 , BOOST_MPL_PP_AUX_DEFAULT_PARAM_FUNC \ 61 , (param,value) \ 62 ) \ 63 /**/ 64 65 #endif 66 67 #endif // BOOST_MPL_AUX_PREPROCESSOR_DEFAULT_PARAMS_HPP_INCLUDED 68