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1 | # /* ************************************************************************** |
2 | # * * | |
3 | # * (C) Copyright Paul Mensonides 2002. | |
4 | # * Distributed under the Boost Software License, Version 1.0. (See | |
5 | # * accompanying file LICENSE_1_0.txt or copy at | |
6 | # * http://www.boost.org/LICENSE_1_0.txt) | |
7 | # * * | |
8 | # ************************************************************************** */ | |
9 | # | |
10 | # /* See http://www.boost.org for most recent version. */ | |
11 | # | |
12 | # ifndef BOOST_PREPROCESSOR_DETAIL_CHECK_HPP | |
13 | # define BOOST_PREPROCESSOR_DETAIL_CHECK_HPP | |
14 | # | |
15 | # include <boost/preprocessor/cat.hpp> | |
16 | # include <boost/preprocessor/config/config.hpp> | |
17 | # | |
18 | # /* BOOST_PP_CHECK */ | |
19 | # | |
20 | # if ~BOOST_PP_CONFIG_FLAGS() & BOOST_PP_CONFIG_MWCC() | |
21 | # define BOOST_PP_CHECK(x, type) BOOST_PP_CHECK_D(x, type) | |
22 | # else | |
23 | # define BOOST_PP_CHECK(x, type) BOOST_PP_CHECK_OO((x, type)) | |
24 | # define BOOST_PP_CHECK_OO(par) BOOST_PP_CHECK_D ## par | |
25 | # endif | |
26 | # | |
27 | # if ~BOOST_PP_CONFIG_FLAGS() & BOOST_PP_CONFIG_MSVC() && ~BOOST_PP_CONFIG_FLAGS() & BOOST_PP_CONFIG_DMC() | |
28 | # define BOOST_PP_CHECK_D(x, type) BOOST_PP_CHECK_1(BOOST_PP_CAT(BOOST_PP_CHECK_RESULT_, type x)) | |
29 | # define BOOST_PP_CHECK_1(chk) BOOST_PP_CHECK_2(chk) | |
30 | # define BOOST_PP_CHECK_2(res, _) res | |
31 | # elif BOOST_PP_CONFIG_FLAGS() & BOOST_PP_CONFIG_MSVC() | |
32 | # define BOOST_PP_CHECK_D(x, type) BOOST_PP_CHECK_1(type x) | |
33 | # define BOOST_PP_CHECK_1(chk) BOOST_PP_CHECK_2(chk) | |
34 | # define BOOST_PP_CHECK_2(chk) BOOST_PP_CHECK_3((BOOST_PP_CHECK_RESULT_ ## chk)) | |
35 | # define BOOST_PP_CHECK_3(im) BOOST_PP_CHECK_5(BOOST_PP_CHECK_4 im) | |
36 | # define BOOST_PP_CHECK_4(res, _) res | |
37 | # define BOOST_PP_CHECK_5(res) res | |
38 | # else /* DMC */ | |
39 | # define BOOST_PP_CHECK_D(x, type) BOOST_PP_CHECK_OO((type x)) | |
40 | # define BOOST_PP_CHECK_OO(par) BOOST_PP_CHECK_0 ## par | |
41 | # define BOOST_PP_CHECK_0(chk) BOOST_PP_CHECK_1(BOOST_PP_CAT(BOOST_PP_CHECK_RESULT_, chk)) | |
42 | # define BOOST_PP_CHECK_1(chk) BOOST_PP_CHECK_2(chk) | |
43 | # define BOOST_PP_CHECK_2(res, _) res | |
44 | # endif | |
45 | # | |
46 | # define BOOST_PP_CHECK_RESULT_1 1, BOOST_PP_NIL | |
47 | # | |
48 | # endif |