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108 lines
4.6 KiB
108 lines
4.6 KiB
3 years ago
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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_SEQ_FOR_EACH_HPP
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# define BOOST_PREPROCESSOR_SEQ_FOR_EACH_HPP
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#
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# include <boost/preprocessor/arithmetic/dec.hpp>
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# include <boost/preprocessor/config/config.hpp>
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# include <boost/preprocessor/control/if.hpp>
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# include <boost/preprocessor/control/iif.hpp>
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# include <boost/preprocessor/repetition/for.hpp>
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# include <boost/preprocessor/seq/seq.hpp>
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# include <boost/preprocessor/seq/size.hpp>
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# include <boost/preprocessor/seq/detail/is_empty.hpp>
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# include <boost/preprocessor/tuple/elem.hpp>
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# include <boost/preprocessor/tuple/rem.hpp>
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#
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# /* BOOST_PP_SEQ_FOR_EACH */
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#
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# if ~BOOST_PP_CONFIG_FLAGS() & BOOST_PP_CONFIG_EDG()
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# define BOOST_PP_SEQ_FOR_EACH(macro, data, seq) BOOST_PP_SEQ_FOR_EACH_DETAIL_CHECK(macro, data, seq)
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# else
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# define BOOST_PP_SEQ_FOR_EACH(macro, data, seq) BOOST_PP_SEQ_FOR_EACH_D(macro, data, seq)
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# define BOOST_PP_SEQ_FOR_EACH_D(macro, data, seq) BOOST_PP_SEQ_FOR_EACH_DETAIL_CHECK(macro, data, seq)
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# endif
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#
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# define BOOST_PP_SEQ_FOR_EACH_DETAIL_CHECK_EXEC(macro, data, seq) BOOST_PP_FOR((macro, data, seq, BOOST_PP_SEQ_SIZE(seq)), BOOST_PP_SEQ_FOR_EACH_P, BOOST_PP_SEQ_FOR_EACH_O, BOOST_PP_SEQ_FOR_EACH_M)
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# define BOOST_PP_SEQ_FOR_EACH_DETAIL_CHECK_EMPTY(macro, data, seq)
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#
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# define BOOST_PP_SEQ_FOR_EACH_DETAIL_CHECK(macro, data, seq) \
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BOOST_PP_IIF \
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( \
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BOOST_PP_SEQ_DETAIL_IS_NOT_EMPTY(seq), \
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BOOST_PP_SEQ_FOR_EACH_DETAIL_CHECK_EXEC, \
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BOOST_PP_SEQ_FOR_EACH_DETAIL_CHECK_EMPTY \
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) \
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(macro, data, seq) \
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/**/
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#
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# define BOOST_PP_SEQ_FOR_EACH_P(r, x) BOOST_PP_TUPLE_ELEM(4, 3, x)
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#
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# if BOOST_PP_CONFIG_FLAGS() & BOOST_PP_CONFIG_STRICT()
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# define BOOST_PP_SEQ_FOR_EACH_O(r, x) BOOST_PP_SEQ_FOR_EACH_O_I x
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# else
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# define BOOST_PP_SEQ_FOR_EACH_O(r, x) BOOST_PP_SEQ_FOR_EACH_O_I(BOOST_PP_TUPLE_ELEM(4, 0, x), BOOST_PP_TUPLE_ELEM(4, 1, x), BOOST_PP_TUPLE_ELEM(4, 2, x), BOOST_PP_TUPLE_ELEM(4, 3, x))
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# endif
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#
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# define BOOST_PP_SEQ_FOR_EACH_O_I(macro, data, seq, sz) \
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BOOST_PP_SEQ_FOR_EACH_O_I_DEC(macro, data, seq, BOOST_PP_DEC(sz)) \
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/**/
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# define BOOST_PP_SEQ_FOR_EACH_O_I_DEC(macro, data, seq, sz) \
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( \
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macro, \
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data, \
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BOOST_PP_IF \
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( \
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sz, \
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BOOST_PP_SEQ_FOR_EACH_O_I_TAIL, \
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BOOST_PP_SEQ_FOR_EACH_O_I_NIL \
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) \
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(seq), \
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sz \
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) \
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/**/
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# define BOOST_PP_SEQ_FOR_EACH_O_I_TAIL(seq) BOOST_PP_SEQ_TAIL(seq)
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# define BOOST_PP_SEQ_FOR_EACH_O_I_NIL(seq) BOOST_PP_NIL
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#
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# if BOOST_PP_CONFIG_FLAGS() & BOOST_PP_CONFIG_STRICT()
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# define BOOST_PP_SEQ_FOR_EACH_M(r, x) BOOST_PP_SEQ_FOR_EACH_M_IM(r, BOOST_PP_TUPLE_REM_4 x)
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# define BOOST_PP_SEQ_FOR_EACH_M_IM(r, im) BOOST_PP_SEQ_FOR_EACH_M_I(r, im)
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# else
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# define BOOST_PP_SEQ_FOR_EACH_M(r, x) BOOST_PP_SEQ_FOR_EACH_M_I(r, BOOST_PP_TUPLE_ELEM(4, 0, x), BOOST_PP_TUPLE_ELEM(4, 1, x), BOOST_PP_TUPLE_ELEM(4, 2, x), BOOST_PP_TUPLE_ELEM(4, 3, x))
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# endif
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#
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# define BOOST_PP_SEQ_FOR_EACH_M_I(r, macro, data, seq, sz) macro(r, data, BOOST_PP_SEQ_HEAD(seq))
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#
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# /* BOOST_PP_SEQ_FOR_EACH_R */
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#
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# if ~BOOST_PP_CONFIG_FLAGS() & BOOST_PP_CONFIG_EDG()
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# define BOOST_PP_SEQ_FOR_EACH_R(r, macro, data, seq) BOOST_PP_SEQ_FOR_EACH_DETAIL_CHECK_R(r, macro, data, seq)
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# else
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# define BOOST_PP_SEQ_FOR_EACH_R(r, macro, data, seq) BOOST_PP_SEQ_FOR_EACH_R_I(r, macro, data, seq)
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# define BOOST_PP_SEQ_FOR_EACH_R_I(r, macro, data, seq) BOOST_PP_SEQ_FOR_EACH_DETAIL_CHECK_R(r, macro, data, seq)
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# endif
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#
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# define BOOST_PP_SEQ_FOR_EACH_DETAIL_CHECK_EXEC_R(r, macro, data, seq) BOOST_PP_FOR_ ## r((macro, data, seq, BOOST_PP_SEQ_SIZE(seq)), BOOST_PP_SEQ_FOR_EACH_P, BOOST_PP_SEQ_FOR_EACH_O, BOOST_PP_SEQ_FOR_EACH_M)
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# define BOOST_PP_SEQ_FOR_EACH_DETAIL_CHECK_EMPTY_R(r, macro, data, seq)
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#
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# define BOOST_PP_SEQ_FOR_EACH_DETAIL_CHECK_R(r, macro, data, seq) \
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BOOST_PP_IIF \
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( \
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BOOST_PP_SEQ_DETAIL_IS_NOT_EMPTY(seq), \
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BOOST_PP_SEQ_FOR_EACH_DETAIL_CHECK_EXEC_R, \
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BOOST_PP_SEQ_FOR_EACH_DETAIL_CHECK_EMPTY_R \
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) \
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(r, macro, data, seq) \
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/**/
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#
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# endif
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