source: NonGTP/Boost/boost/mpl/aux_/preprocessor/ext_params.hpp @ 857

Revision 857, 3.0 KB checked in by igarcia, 19 years ago (diff)
Line 
1
2#ifndef BOOST_MPL_AUX_PREPROCESSOR_EXT_PARAMS_HPP_INCLUDED
3#define BOOST_MPL_AUX_PREPROCESSOR_EXT_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// $Source: /cvsroot/boost/boost/boost/mpl/aux_/preprocessor/ext_params.hpp,v $
14// $Date: 2004/09/02 15:40:56 $
15// $Revision: 1.5 $
16
17#include <boost/mpl/aux_/config/preprocessor.hpp>
18
19// BOOST_MPL_PP_EXT_PARAMS(2,2,T): <nothing>
20// BOOST_MPL_PP_EXT_PARAMS(2,3,T): T2
21// BOOST_MPL_PP_EXT_PARAMS(2,4,T): T2, T3
22// BOOST_MPL_PP_EXT_PARAMS(2,n,T): T2, T3, .., Tn-1
23
24#if !defined(BOOST_MPL_CFG_NO_OWN_PP_PRIMITIVES)
25
26#   include <boost/mpl/aux_/preprocessor/filter_params.hpp>
27#   include <boost/mpl/aux_/preprocessor/sub.hpp>
28
29#   define BOOST_MPL_PP_EXT_PARAMS(i,j,p) \
30    BOOST_MPL_PP_EXT_PARAMS_DELAY_1(i,BOOST_MPL_PP_SUB(j,i),p) \
31    /**/
32
33#   define BOOST_MPL_PP_EXT_PARAMS_DELAY_1(i,n,p) \
34    BOOST_MPL_PP_EXT_PARAMS_DELAY_2(i,n,p) \
35    /**/
36
37#   define BOOST_MPL_PP_EXT_PARAMS_DELAY_2(i,n,p) \
38    BOOST_MPL_PP_EXT_PARAMS_##i(n,p) \
39    /**/
40
41#   define BOOST_MPL_PP_EXT_PARAMS_1(i,p) BOOST_MPL_PP_FILTER_PARAMS_##i(p##1,p##2,p##3,p##4,p##5,p##6,p##7,p##8,p##9)
42#   define BOOST_MPL_PP_EXT_PARAMS_2(i,p) BOOST_MPL_PP_FILTER_PARAMS_##i(p##2,p##3,p##4,p##5,p##6,p##7,p##8,p##9,p1)
43#   define BOOST_MPL_PP_EXT_PARAMS_3(i,p) BOOST_MPL_PP_FILTER_PARAMS_##i(p##3,p##4,p##5,p##6,p##7,p##8,p##9,p1,p2)
44#   define BOOST_MPL_PP_EXT_PARAMS_4(i,p) BOOST_MPL_PP_FILTER_PARAMS_##i(p##4,p##5,p##6,p##7,p##8,p##9,p1,p2,p3)
45#   define BOOST_MPL_PP_EXT_PARAMS_5(i,p) BOOST_MPL_PP_FILTER_PARAMS_##i(p##5,p##6,p##7,p##8,p##9,p1,p2,p3,p4)
46#   define BOOST_MPL_PP_EXT_PARAMS_6(i,p) BOOST_MPL_PP_FILTER_PARAMS_##i(p##6,p##7,p##8,p##9,p1,p2,p3,p4,p5)
47#   define BOOST_MPL_PP_EXT_PARAMS_7(i,p) BOOST_MPL_PP_FILTER_PARAMS_##i(p##7,p##8,p##9,p1,p2,p3,p4,p5,p6)
48#   define BOOST_MPL_PP_EXT_PARAMS_8(i,p) BOOST_MPL_PP_FILTER_PARAMS_##i(p##8,p##9,p1,p2,p3,p4,p5,p6,p7)
49#   define BOOST_MPL_PP_EXT_PARAMS_9(i,p) BOOST_MPL_PP_FILTER_PARAMS_##i(p##9,p1,p2,p3,p4,p5,p6,p7,p8)
50
51#else
52
53#   include <boost/preprocessor/arithmetic/add.hpp>
54#   include <boost/preprocessor/arithmetic/sub.hpp>
55#   include <boost/preprocessor/comma_if.hpp>
56#   include <boost/preprocessor/repeat.hpp>
57#   include <boost/preprocessor/tuple/elem.hpp>
58#   include <boost/preprocessor/cat.hpp>
59
60#   define BOOST_MPL_PP_AUX_EXT_PARAM_FUNC(unused, i, op) \
61    BOOST_PP_COMMA_IF(i) \
62    BOOST_PP_CAT( \
63          BOOST_PP_TUPLE_ELEM(2,1,op) \
64        , BOOST_PP_ADD_D(1, i, BOOST_PP_TUPLE_ELEM(2,0,op)) \
65        ) \
66    /**/
67
68#   define BOOST_MPL_PP_EXT_PARAMS(i, j, param) \
69    BOOST_PP_REPEAT( \
70          BOOST_PP_SUB_D(1,j,i) \
71        , BOOST_MPL_PP_AUX_EXT_PARAM_FUNC \
72        , (i,param) \
73        ) \
74    /**/
75
76#endif
77
78#endif // BOOST_MPL_AUX_PREPROCESSOR_EXT_PARAMS_HPP_INCLUDED
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