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Factored out the IS_TPL macro.

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This commit is contained in:
Damien Buhl (alias daminetreg)
2015-02-01 17:20:31 +01:00
parent fc1a60e8e6
commit c6c9d872d3
3 changed files with 35 additions and 20 deletions
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16
include/boost/fusion/adapted/struct/detail/adapt_base.hpp
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@ -15,6 +15,7 @@
#include <boost/config.hpp>
#include <boost/fusion/support/tag_of_fwd.hpp>
#include <boost/fusion/adapted/struct/detail/adapt_auto.hpp>
#include <boost/fusion/adapted/struct/detail/adapt_is_tpl.hpp>
#include <boost/preprocessor/empty.hpp>
#include <boost/preprocessor/stringize.hpp>
@ -61,10 +62,6 @@
BOOST_FUSION_ADAPT_STRUCT_UNPACK_TEMPLATE_PARAMS_IMPL, \
BOOST_PP_TUPLE_EAT(1))(SEQ)
#define BOOST_FUSION_IS_TPL(TEMPLATE_PARAMS_SEQ) \
BOOST_PP_SEQ_HEAD(TEMPLATE_PARAMS_SEQ)
#ifdef BOOST_MSVC
# define BOOST_FUSION_ATTRIBUTE_TYPEOF( \
NAME_SEQ, ATTRIBUTE, ATTRIBUTE_TUPEL_SIZE, PREFIX, TEMPLATE_PARAMS_SEQ) \
@ -74,13 +71,15 @@
\
struct deduced_attr_type { \
static const BOOST_FUSION_ADAPT_STRUCT_UNPACK_NAME(NAME_SEQ)& obj; \
typedef BOOST_PP_IF(BOOST_FUSION_IS_TPL(TEMPLATE_PARAMS_SEQ), typename, ) \
typedef \
BOOST_PP_IF(BOOST_FUSION_ADAPT_IS_TPL(TEMPLATE_PARAMS_SEQ), typename, ) \
BOOST_TYPEOF( PREFIX() obj.BOOST_PP_TUPLE_ELEM(ATTRIBUTE_TUPEL_SIZE, \
0, ATTRIBUTE)) \
type; \
}; \
\
typedef BOOST_PP_IF(BOOST_FUSION_IS_TPL(TEMPLATE_PARAMS_SEQ), typename, ) \
typedef \
BOOST_PP_IF(BOOST_FUSION_ADAPT_IS_TPL(TEMPLATE_PARAMS_SEQ), typename, ) \
deduced_attr_type::type attribute_type;
#else
@ -94,13 +93,14 @@
type; \
}; \
\
typedef BOOST_PP_IF(BOOST_FUSION_IS_TPL(TEMPLATE_PARAMS_SEQ), typename, ) \
typedef \
BOOST_PP_IF(BOOST_FUSION_ADAPT_IS_TPL(TEMPLATE_PARAMS_SEQ), typename, ) \
deduced_attr_type::type attribute_type;
#endif
#define BOOST_FUSION_ATTRIBUTE_GIVENTYPE( \
NAME_SEQ, ATTRIBUTE, ATTRIBUTE_TUPEL_SIZE, PREFIX, IS_TPL) \
NAME_SEQ, ATTRIBUTE, ATTRIBUTE_TUPEL_SIZE, PREFIX, TEMPLATE_PARAMS_SEQ) \
typedef \
BOOST_PP_TUPLE_ELEM(ATTRIBUTE_TUPEL_SIZE, 0, ATTRIBUTE) attribute_type;

14
include/boost/fusion/adapted/struct/detail/adapt_is_tpl.hpp Normal file
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@ -0,0 +1,14 @@
/*=============================================================================
Copyright (c) 2013-2014 Damien Buhl
Distributed under 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)
==============================================================================*/
#ifndef BOOST_FUSION_ADAPTED_STRUCT_DETAIL_ADAPT_IS_TPL_HPP
#define BOOST_FUSION_ADAPTED_STRUCT_DETAIL_ADAPT_IS_TPL_HPP
#define BOOST_FUSION_ADAPT_IS_TPL(TEMPLATE_PARAMS_SEQ) \
BOOST_PP_SEQ_HEAD(TEMPLATE_PARAMS_SEQ)
#endif