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Diffstat (limited to 'boost/vmd/detail/is_identifier.hpp')
| -rw-r--r-- | boost/vmd/detail/is_identifier.hpp | 96 |
1 files changed, 96 insertions, 0 deletions
diff --git a/boost/vmd/detail/is_identifier.hpp b/boost/vmd/detail/is_identifier.hpp new file mode 100644 index 0000000000..92dace090f --- /dev/null +++ b/boost/vmd/detail/is_identifier.hpp @@ -0,0 +1,96 @@ + +// (C) Copyright Edward Diener 2011-2015 +// Use, modification and distribution are subject to the Boost Software License, +// Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at +// http://www.boost.org/LICENSE_1_0.txt). + +#if !defined(BOOST_VMD_DETAIL_IS_IDENTIFIER_HPP) +#define BOOST_VMD_DETAIL_IS_IDENTIFIER_HPP + +#include <boost/preprocessor/comparison/equal.hpp> +#include <boost/preprocessor/control/iif.hpp> +#include <boost/preprocessor/logical/bitor.hpp> +#include <boost/preprocessor/punctuation/is_begin_parens.hpp> +#include <boost/preprocessor/tuple/elem.hpp> +#include <boost/preprocessor/variadic/size.hpp> +#include <boost/preprocessor/variadic/elem.hpp> +#include <boost/vmd/identity.hpp> +#include <boost/vmd/is_empty.hpp> +#include <boost/vmd/is_tuple.hpp> +#include <boost/vmd/detail/identifier.hpp> +#include <boost/vmd/detail/identifier_concat.hpp> +#include <boost/vmd/detail/not_empty.hpp> + +#define BOOST_VMD_DETAIL_IS_IDENTIFIER_VSEQ_MATCH(tup) \ + BOOST_VMD_DETAIL_NOT_EMPTY \ + ( \ + BOOST_PP_TUPLE_ELEM(0,tup) \ + ) \ +/**/ + +#define BOOST_VMD_DETAIL_IS_IDENTIFIER_VSEQ_TUPLE(ptup) \ + BOOST_VMD_IDENTITY_RESULT \ + ( \ + BOOST_PP_IIF \ + ( \ + BOOST_VMD_IS_TUPLE(ptup), \ + BOOST_VMD_DETAIL_IS_IDENTIFIER_VSEQ_MATCH, \ + BOOST_VMD_IDENTITY(0) \ + ) \ + (ptup) \ + ) \ +/**/ + +#define BOOST_VMD_DETAIL_IS_IDENTIFIER_VSEQ_ID(vseq) \ + BOOST_VMD_DETAIL_IS_IDENTIFIER_VSEQ_TUPLE \ + ( \ + BOOST_VMD_DETAIL_IDENTIFIER_CONCATENATE(vseq) \ + ) \ +/**/ + +#define BOOST_VMD_DETAIL_IS_IDENTIFIER_VSEQ(vseq) \ + BOOST_VMD_IDENTITY_RESULT \ + ( \ + BOOST_PP_IIF \ + ( \ + BOOST_PP_BITOR \ + ( \ + BOOST_VMD_IS_EMPTY(vseq), \ + BOOST_PP_IS_BEGIN_PARENS(vseq) \ + ), \ + BOOST_VMD_IDENTITY(0), \ + BOOST_VMD_DETAIL_IS_IDENTIFIER_VSEQ_ID \ + ) \ + (vseq) \ + ) \ +/**/ + +#define BOOST_VMD_DETAIL_IS_IDENTIFIER_SINGLE(...) \ + BOOST_VMD_DETAIL_IS_IDENTIFIER_VSEQ(BOOST_PP_VARIADIC_ELEM(0,__VA_ARGS__)) \ +/**/ + +#define BOOST_VMD_DETAIL_IS_IDENTIFIER_SINGLE_D(d,...) \ + BOOST_VMD_DETAIL_IS_IDENTIFIER_VSEQ(BOOST_PP_VARIADIC_ELEM(0,__VA_ARGS__)) \ +/**/ + +#define BOOST_VMD_DETAIL_IS_IDENTIFIER(...) \ + BOOST_PP_IIF \ + ( \ + BOOST_PP_EQUAL(BOOST_PP_VARIADIC_SIZE(__VA_ARGS__),1), \ + BOOST_VMD_DETAIL_IS_IDENTIFIER_SINGLE, \ + BOOST_VMD_DETAIL_IS_IDENTIFIER_MULTIPLE \ + ) \ + (__VA_ARGS__) \ +/**/ + +#define BOOST_VMD_DETAIL_IS_IDENTIFIER_D(d,...) \ + BOOST_PP_IIF \ + ( \ + BOOST_PP_EQUAL_D(d,BOOST_PP_VARIADIC_SIZE(__VA_ARGS__),1), \ + BOOST_VMD_DETAIL_IS_IDENTIFIER_SINGLE_D, \ + BOOST_VMD_DETAIL_IS_IDENTIFIER_MULTIPLE_D \ + ) \ + (d,__VA_ARGS__) \ +/**/ + +#endif /* BOOST_VMD_DETAIL_IS_IDENTIFIER_HPP */ |