boost/vmd/detail/identifier_type.hpp
// (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_IDENTIFIER_TYPE_HPP)
#define BOOST_VMD_DETAIL_IDENTIFIER_TYPE_HPP
#include <boost/preprocessor/cat.hpp>
#include <boost/preprocessor/comparison/equal.hpp>
#include <boost/preprocessor/control/iif.hpp>
#include <boost/preprocessor/tuple/elem.hpp>
#include <boost/preprocessor/tuple/size.hpp>
#include <boost/vmd/identity.hpp>
#include <boost/vmd/is_tuple.hpp>
#include <boost/vmd/detail/idprefix.hpp>
#include <boost/vmd/detail/number_registration.hpp>
#include <boost/vmd/detail/type_registration.hpp>
#define BOOST_VMD_DETAIL_IDENTIFIER_TYPE_CONCATENATE(id) \
BOOST_PP_CAT \
( \
BOOST_VMD_DETAIL_IDENTIFIER_SUBTYPE_REGISTRATION_PREFIX, \
id \
) \
/**/
#define BOOST_VMD_DETAIL_IDENTIFIER_TYPE_SIZE(cres) \
BOOST_VMD_IDENTITY_RESULT \
( \
BOOST_PP_IIF \
( \
BOOST_PP_EQUAL \
( \
BOOST_PP_TUPLE_SIZE(cres), \
2 \
), \
BOOST_PP_TUPLE_ELEM, \
BOOST_VMD_IDENTITY(BOOST_VMD_TYPE_IDENTIFIER) \
) \
(0,cres) \
) \
/**/
#define BOOST_VMD_DETAIL_IDENTIFIER_TYPE_SIZE_D(d,cres) \
BOOST_VMD_IDENTITY_RESULT \
( \
BOOST_PP_IIF \
( \
BOOST_PP_EQUAL_D \
( \
d, \
BOOST_PP_TUPLE_SIZE(cres), \
2 \
), \
BOOST_PP_TUPLE_ELEM, \
BOOST_VMD_IDENTITY(BOOST_VMD_TYPE_IDENTIFIER) \
) \
(0,cres) \
) \
/**/
#define BOOST_VMD_DETAIL_IDENTIFIER_TYPE_CONCAT(cres) \
BOOST_VMD_IDENTITY_RESULT \
( \
BOOST_PP_IIF \
( \
BOOST_VMD_IS_TUPLE(cres), \
BOOST_VMD_DETAIL_IDENTIFIER_TYPE_SIZE, \
BOOST_VMD_IDENTITY(BOOST_VMD_TYPE_IDENTIFIER) \
) \
(cres) \
) \
/**/
#define BOOST_VMD_DETAIL_IDENTIFIER_TYPE_CONCAT_D(d,cres) \
BOOST_VMD_IDENTITY_RESULT \
( \
BOOST_PP_IIF \
( \
BOOST_VMD_IS_TUPLE(cres), \
BOOST_VMD_DETAIL_IDENTIFIER_TYPE_SIZE_D, \
BOOST_VMD_IDENTITY(BOOST_VMD_TYPE_IDENTIFIER) \
) \
(d,cres) \
) \
/**/
/*
Determines the type of an identifier.
The type may be that of an identifier or else
it may be a subtype.
Assumes the 'id' is a valid identifier id
Expands to the appropriate type
*/
#define BOOST_VMD_DETAIL_IDENTIFIER_TYPE(id) \
BOOST_VMD_DETAIL_IDENTIFIER_TYPE_CONCAT \
( \
BOOST_VMD_DETAIL_IDENTIFIER_TYPE_CONCATENATE(id) \
) \
/**/
#define BOOST_VMD_DETAIL_IDENTIFIER_TYPE_D(d,id) \
BOOST_VMD_DETAIL_IDENTIFIER_TYPE_CONCAT_D \
( \
d, \
BOOST_VMD_DETAIL_IDENTIFIER_TYPE_CONCATENATE(id) \
) \
/**/
#endif /* BOOST_VMD_DETAIL_IDENTIFIER_TYPE_HPP */