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_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