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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 | // $Id$ | |
14 | // $Date$ | |
15 | // $Revision$ | |
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 |