2010-07-26 17:06:36 +00:00
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# /* **************************************************************************
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# * *
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# * (C) Copyright Paul Mensonides 2002.
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# * Distributed under the Boost Software License, Version 1.0. (See
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# * accompanying file LICENSE_1_0.txt or copy at
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# * http://www.boost.org/LICENSE_1_0.txt)
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# * *
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# ************************************************************************** */
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#
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# /* See http://www.boost.org for most recent version. */
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#
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# ifndef BOOST_PREPROCESSOR_DETAIL_CHECK_HPP
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# define BOOST_PREPROCESSOR_DETAIL_CHECK_HPP
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#
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# include <boost/preprocessor/cat.hpp>
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# include <boost/preprocessor/config/config.hpp>
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#
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# /* BOOST_PP_CHECK */
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#
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# if ~BOOST_PP_CONFIG_FLAGS() & BOOST_PP_CONFIG_MWCC()
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# define BOOST_PP_CHECK(x, type) BOOST_PP_CHECK_D(x, type)
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# else
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# define BOOST_PP_CHECK(x, type) BOOST_PP_CHECK_OO((x, type))
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# define BOOST_PP_CHECK_OO(par) BOOST_PP_CHECK_D ## par
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# endif
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#
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# if ~BOOST_PP_CONFIG_FLAGS() & BOOST_PP_CONFIG_MSVC() && ~BOOST_PP_CONFIG_FLAGS() & BOOST_PP_CONFIG_DMC()
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# define BOOST_PP_CHECK_D(x, type) BOOST_PP_CHECK_1(BOOST_PP_CAT(BOOST_PP_CHECK_RESULT_, type x))
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# define BOOST_PP_CHECK_1(chk) BOOST_PP_CHECK_2(chk)
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# define BOOST_PP_CHECK_2(res, _) res
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# elif BOOST_PP_CONFIG_FLAGS() & BOOST_PP_CONFIG_MSVC()
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# define BOOST_PP_CHECK_D(x, type) BOOST_PP_CHECK_1(type x)
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# define BOOST_PP_CHECK_1(chk) BOOST_PP_CHECK_2(chk)
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# define BOOST_PP_CHECK_2(chk) BOOST_PP_CHECK_3((BOOST_PP_CHECK_RESULT_ ## chk))
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# define BOOST_PP_CHECK_3(im) BOOST_PP_CHECK_5(BOOST_PP_CHECK_4 im)
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# define BOOST_PP_CHECK_4(res, _) res
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# define BOOST_PP_CHECK_5(res) res
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# else /* DMC */
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# define BOOST_PP_CHECK_D(x, type) BOOST_PP_CHECK_OO((type x))
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# define BOOST_PP_CHECK_OO(par) BOOST_PP_CHECK_0 ## par
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# define BOOST_PP_CHECK_0(chk) BOOST_PP_CHECK_1(BOOST_PP_CAT(BOOST_PP_CHECK_RESULT_, chk))
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# define BOOST_PP_CHECK_1(chk) BOOST_PP_CHECK_2(chk)
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# define BOOST_PP_CHECK_2(res, _) res
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# endif
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#
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# define BOOST_PP_CHECK_RESULT_1 1, BOOST_PP_NIL
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#
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# endif
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