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