97 lines
2.9 KiB
C++
97 lines
2.9 KiB
C++
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// (C) Copyright Edward Diener 2011-2015
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// Use, modification and distribution are subject to the Boost Software License,
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// Version 1.0. (See 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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#if !defined(BOOST_VMD_DETAIL_IS_IDENTIFIER_HPP)
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#define BOOST_VMD_DETAIL_IS_IDENTIFIER_HPP
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#include <boost/preprocessor/comparison/equal.hpp>
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#include <boost/preprocessor/control/iif.hpp>
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#include <boost/preprocessor/logical/bitor.hpp>
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#include <boost/preprocessor/punctuation/is_begin_parens.hpp>
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#include <boost/preprocessor/tuple/elem.hpp>
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#include <boost/preprocessor/variadic/size.hpp>
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#include <boost/preprocessor/variadic/elem.hpp>
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#include <boost/vmd/identity.hpp>
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#include <boost/vmd/is_empty.hpp>
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#include <boost/vmd/is_tuple.hpp>
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#include <boost/vmd/detail/identifier.hpp>
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#include <boost/vmd/detail/identifier_concat.hpp>
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#include <boost/vmd/detail/not_empty.hpp>
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#define BOOST_VMD_DETAIL_IS_IDENTIFIER_VSEQ_MATCH(tup) \
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BOOST_VMD_DETAIL_NOT_EMPTY \
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( \
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BOOST_PP_TUPLE_ELEM(0,tup) \
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) \
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/**/
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#define BOOST_VMD_DETAIL_IS_IDENTIFIER_VSEQ_TUPLE(ptup) \
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BOOST_VMD_IDENTITY_RESULT \
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( \
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BOOST_PP_IIF \
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( \
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BOOST_VMD_IS_TUPLE(ptup), \
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BOOST_VMD_DETAIL_IS_IDENTIFIER_VSEQ_MATCH, \
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BOOST_VMD_IDENTITY(0) \
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) \
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(ptup) \
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) \
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/**/
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#define BOOST_VMD_DETAIL_IS_IDENTIFIER_VSEQ_ID(vseq) \
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BOOST_VMD_DETAIL_IS_IDENTIFIER_VSEQ_TUPLE \
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( \
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BOOST_VMD_DETAIL_IDENTIFIER_CONCATENATE(vseq) \
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) \
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/**/
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#define BOOST_VMD_DETAIL_IS_IDENTIFIER_VSEQ(vseq) \
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BOOST_VMD_IDENTITY_RESULT \
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( \
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BOOST_PP_IIF \
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( \
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BOOST_PP_BITOR \
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( \
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BOOST_VMD_IS_EMPTY(vseq), \
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BOOST_PP_IS_BEGIN_PARENS(vseq) \
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), \
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BOOST_VMD_IDENTITY(0), \
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BOOST_VMD_DETAIL_IS_IDENTIFIER_VSEQ_ID \
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) \
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(vseq) \
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) \
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/**/
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#define BOOST_VMD_DETAIL_IS_IDENTIFIER_SINGLE(...) \
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BOOST_VMD_DETAIL_IS_IDENTIFIER_VSEQ(BOOST_PP_VARIADIC_ELEM(0,__VA_ARGS__)) \
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/**/
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#define BOOST_VMD_DETAIL_IS_IDENTIFIER_SINGLE_D(d,...) \
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BOOST_VMD_DETAIL_IS_IDENTIFIER_VSEQ(BOOST_PP_VARIADIC_ELEM(0,__VA_ARGS__)) \
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/**/
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#define BOOST_VMD_DETAIL_IS_IDENTIFIER(...) \
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BOOST_PP_IIF \
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( \
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BOOST_PP_EQUAL(BOOST_PP_VARIADIC_SIZE(__VA_ARGS__),1), \
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BOOST_VMD_DETAIL_IS_IDENTIFIER_SINGLE, \
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BOOST_VMD_DETAIL_IS_IDENTIFIER_MULTIPLE \
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) \
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(__VA_ARGS__) \
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/**/
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#define BOOST_VMD_DETAIL_IS_IDENTIFIER_D(d,...) \
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BOOST_PP_IIF \
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( \
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BOOST_PP_EQUAL_D(d,BOOST_PP_VARIADIC_SIZE(__VA_ARGS__),1), \
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BOOST_VMD_DETAIL_IS_IDENTIFIER_SINGLE_D, \
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BOOST_VMD_DETAIL_IS_IDENTIFIER_MULTIPLE_D \
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) \
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(d,__VA_ARGS__) \
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/**/
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#endif /* BOOST_VMD_DETAIL_IS_IDENTIFIER_HPP */
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