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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