forked from boostorg/preprocessor
50 lines
2.1 KiB
C++
50 lines
2.1 KiB
C++
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# /* **************************************************************************
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# * *
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# * (C) Copyright Paul Mensonides 2002. Permission to copy, use, *
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# * modify, sell, and distribute this software is granted provided *
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# * this copyright notice appears in all copies. This software is *
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# * provided "as is" without express or implied warranty, and with *
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# * no claim at to its suitability for any purpose. *
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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_STRICT
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# if BOOST_PP_CONFIG_FLAGS & BOOST_PP_CONFIG_IDEAL
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# define BOOST_PP_CHECK BOOST_PP_CHECK_D
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# else
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# define BOOST_PP_CHECK(x, type) BOOST_PP_CHECK_D(x, type)
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# endif
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# elif BOOST_PP_CONFIG_FLAGS & BOOST_PP_CONFIG_MWCW
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# define BOOST_PP_CHECK(x, type) BOOST_PP_EVIL_CHECK_D((x, type))
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# define BOOST_PP_EVIL_CHECK_D(par) BOOST_PP_CHECK_D ## par
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# elif BOOST_PP_CONFIG_FLAGS & BOOST_PP_CONFIG_MSVC
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# define BOOST_PP_CHECK(x, type) BOOST_PP_CHECK_D(x, type)
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# endif
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#
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# if ~BOOST_PP_CONFIG_FLAGS & BOOST_PP_CONFIG_MSVC
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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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# else
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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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# 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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