forked from boostorg/preprocessor
102 lines
4.4 KiB
C++
102 lines
4.4 KiB
C++
# /* **************************************************************************
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# * *
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# * (C) Copyright Paul Mensonides 2002-2011. *
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# * (C) Copyright Edward Diener 2011,2013. *
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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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# /* Revised by Edward Diener (2020) */
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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_TUPLE_REM_HPP
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# define BOOST_PREPROCESSOR_TUPLE_REM_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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# include <boost/preprocessor/facilities/expand.hpp>
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# include <boost/preprocessor/facilities/overload.hpp>
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# include <boost/preprocessor/tuple/detail/is_single_return.hpp>
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#
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# /* BOOST_PP_REM */
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#
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# if BOOST_PP_VARIADICS
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# if BOOST_PP_VARIADICS_MSVC
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/* To be used internally when __VA_ARGS__ could be empty ( or is a single element ) */
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# define BOOST_PP_REM_CAT(...) BOOST_PP_CAT(__VA_ARGS__,)
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# endif
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# define BOOST_PP_REM(...) __VA_ARGS__
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# else
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# define BOOST_PP_REM(x) x
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# endif
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#
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# /* BOOST_PP_TUPLE_REM */
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#
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/*
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VC++8.0 cannot handle the variadic version of BOOST_PP_TUPLE_REM(size)
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*/
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# if BOOST_PP_VARIADICS && !(BOOST_PP_VARIADICS_MSVC && _MSC_VER <= 1400)
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# if BOOST_PP_VARIADICS_MSVC
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/* To be used internally when the size could be 0 ( or 1 ) */
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# define BOOST_PP_TUPLE_REM_CAT(size) BOOST_PP_REM_CAT
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# endif
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# define BOOST_PP_TUPLE_REM(size) BOOST_PP_REM
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# else
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# if ~BOOST_PP_CONFIG_FLAGS() & BOOST_PP_CONFIG_MWCC()
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# define BOOST_PP_TUPLE_REM(size) BOOST_PP_TUPLE_REM_I(size)
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# else
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# define BOOST_PP_TUPLE_REM(size) BOOST_PP_TUPLE_REM_OO((size))
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# define BOOST_PP_TUPLE_REM_OO(par) BOOST_PP_TUPLE_REM_I ## par
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# endif
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# define BOOST_PP_TUPLE_REM_I(size) BOOST_PP_TUPLE_REM_ ## size
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# endif
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#
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# include <boost/preprocessor/config/limits.hpp>
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#
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# if BOOST_PP_LIMIT_TUPLE == 64
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# include <boost/preprocessor/tuple/limits/rem_64.hpp>
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# elif BOOST_PP_LIMIT_TUPLE == 128
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# include <boost/preprocessor/tuple/limits/rem_64.hpp>
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# include <boost/preprocessor/tuple/limits/rem_128.hpp>
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# elif BOOST_PP_LIMIT_TUPLE == 256
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# include <boost/preprocessor/tuple/limits/rem_64.hpp>
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# include <boost/preprocessor/tuple/limits/rem_128.hpp>
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# include <boost/preprocessor/tuple/limits/rem_256.hpp>
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# else
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# error Incorrect value for the BOOST_PP_LIMIT_TUPLE limit
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# endif
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#
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# /* BOOST_PP_TUPLE_REM_CTOR */
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#
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# if BOOST_PP_VARIADICS
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# if BOOST_PP_VARIADICS_MSVC
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# define BOOST_PP_TUPLE_REM_CTOR(...) BOOST_PP_TUPLE_REM_CTOR_I(BOOST_PP_OVERLOAD(BOOST_PP_TUPLE_REM_CTOR_O_, __VA_ARGS__), (__VA_ARGS__))
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# define BOOST_PP_TUPLE_REM_CTOR_I(m, args) BOOST_PP_TUPLE_REM_CTOR_II(m, args)
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# define BOOST_PP_TUPLE_REM_CTOR_II(m, args) BOOST_PP_CAT(m ## args,)
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# define BOOST_PP_TUPLE_REM_CTOR_O_1(tuple) BOOST_PP_EXPAND(BOOST_PP_TUPLE_IS_SINGLE_RETURN(BOOST_PP_REM_CAT,BOOST_PP_REM,tuple) tuple)
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# else
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# define BOOST_PP_TUPLE_REM_CTOR(...) BOOST_PP_OVERLOAD(BOOST_PP_TUPLE_REM_CTOR_O_, __VA_ARGS__)(__VA_ARGS__)
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# define BOOST_PP_TUPLE_REM_CTOR_O_1(tuple) BOOST_PP_REM tuple
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# endif
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# define BOOST_PP_TUPLE_REM_CTOR_O_2(size, tuple) BOOST_PP_TUPLE_REM_CTOR_O_1(tuple)
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# else
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# if ~BOOST_PP_CONFIG_FLAGS() & BOOST_PP_CONFIG_EDG()
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# define BOOST_PP_TUPLE_REM_CTOR(size, tuple) BOOST_PP_TUPLE_REM_CTOR_I(BOOST_PP_TUPLE_REM(size), tuple)
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# else
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# define BOOST_PP_TUPLE_REM_CTOR(size, tuple) BOOST_PP_TUPLE_REM_CTOR_D(size, tuple)
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# define BOOST_PP_TUPLE_REM_CTOR_D(size, tuple) BOOST_PP_TUPLE_REM_CTOR_I(BOOST_PP_TUPLE_REM(size), tuple)
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# endif
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# if ~BOOST_PP_CONFIG_FLAGS() & BOOST_PP_CONFIG_MWCC()
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# define BOOST_PP_TUPLE_REM_CTOR_I(ext, tuple) ext tuple
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# else
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# define BOOST_PP_TUPLE_REM_CTOR_I(ext, tuple) BOOST_PP_TUPLE_REM_CTOR_OO((ext, tuple))
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# define BOOST_PP_TUPLE_REM_CTOR_OO(par) BOOST_PP_TUPLE_REM_CTOR_II ## par
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# define BOOST_PP_TUPLE_REM_CTOR_II(ext, tuple) ext ## tuple
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# endif
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# endif
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#
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# endif
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