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 // $Id$ 14 // $Date$ 15 // $Revision$ 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_Z(z_ignored,n,p) \ 33 BOOST_PP_CAT(BOOST_MPL_PP_PARAMS_,n)(p) \ 34 /**/ 35 36 # define BOOST_MPL_PP_PARAMS_0(p) 37 # define BOOST_MPL_PP_PARAMS_1(p) p##1 38 # define BOOST_MPL_PP_PARAMS_2(p) p##1,p##2 39 # define BOOST_MPL_PP_PARAMS_3(p) p##1,p##2,p##3 40 # define BOOST_MPL_PP_PARAMS_4(p) p##1,p##2,p##3,p##4 41 # define BOOST_MPL_PP_PARAMS_5(p) p##1,p##2,p##3,p##4,p##5 42 # define BOOST_MPL_PP_PARAMS_6(p) p##1,p##2,p##3,p##4,p##5,p##6 43 # define BOOST_MPL_PP_PARAMS_7(p) p##1,p##2,p##3,p##4,p##5,p##6,p##7 44 # define BOOST_MPL_PP_PARAMS_8(p) p##1,p##2,p##3,p##4,p##5,p##6,p##7,p##8 45 # 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 46 47 #else 48 49 # include <boost/preprocessor/comma_if.hpp> 50 # include <boost/preprocessor/repeat.hpp> 51 # include <boost/preprocessor/inc.hpp> 52 # include <boost/preprocessor/cat.hpp> 53 54 # define BOOST_MPL_PP_AUX_PARAM_FUNC(unused, i, param) \ 55 BOOST_PP_COMMA_IF(i) \ 56 BOOST_PP_CAT(param, BOOST_PP_INC(i)) \ 57 /**/ 58 59 # define BOOST_MPL_PP_PARAMS(n, param) \ 60 BOOST_PP_REPEAT( \ 61 n \ 62 , BOOST_MPL_PP_AUX_PARAM_FUNC \ 63 , param \ 64 ) \ 65 /**/ 66 67 # define BOOST_MPL_PP_PARAMS_Z(z, n, param) \ 68 BOOST_PP_REPEAT_ ## z( \ 69 n \ 70 , BOOST_MPL_PP_AUX_PARAM_FUNC \ 71 , param \ 72 ) \ 73 /**/ 74 75 #endif 76 77 #endif // BOOST_MPL_AUX_PREPROCESSOR_PARAMS_HPP_INCLUDED 78