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/src/contrib/boost/mpl/aux_/preprocessor/default_params.hpp

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 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: 2008-10-11 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_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