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Add support for BOOST_FUSION_ADAPT_ADT to either deduce types or use specified ones.

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This commit is contained in:
Damien Buhl (alias daminetreg)
2014-08-10 17:09:57 +02:00
parent 52d280983b
commit 7b089aa589
6 changed files with 53 additions and 20 deletions
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28
include/boost/fusion/adapted/adt/detail/adapt_base.hpp
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@@ -11,6 +11,8 @@
#define BOOST_FUSION_ADAPTED_ADT_DETAIL_ADAPT_BASE_HPP
#include <boost/fusion/support/config.hpp>
#include <boost/fusion/adapted/struct/detail/adapt_auto.hpp>
#include <boost/preprocessor/control/if.hpp>
#include <boost/preprocessor/seq/seq.hpp>
#include <boost/preprocessor/seq/elem.hpp>
@@ -19,6 +21,8 @@
#include <boost/type_traits/add_const.hpp>
#include <boost/type_traits/remove_const.hpp>
#include <boost/typeof/typeof.hpp>
#define BOOST_FUSION_ADAPT_ADT_GET_IDENTITY_TEMPLATE_IMPL(TEMPLATE_PARAMS_SEQ) \
typename detail::get_identity< \
lvalue \
@@ -30,13 +34,24 @@
\
boost::remove_const<boost::remove_reference<lvalue>::type>::type
#define BOOST_FUSION_ADAPT_ADT_ATTRIBUTE_GETEXPR(ATTRIBUTE, \
ATTRIBUTE_TUPEL_SIZE, DEDUCE_TYPE) \
BOOST_PP_TUPLE_ELEM(ATTRIBUTE_TUPEL_SIZE, \
BOOST_PP_IF(DEDUCE_TYPE, 0, 2), ATTRIBUTE)
#define BOOST_FUSION_ADAPT_ADT_ATTRIBUTE_SETEXPR(ATTRIBUTE, \
ATTRIBUTE_TUPEL_SIZE, DEDUCE_TYPE) \
BOOST_PP_TUPLE_ELEM(ATTRIBUTE_TUPEL_SIZE, \
BOOST_PP_IF(DEDUCE_TYPE, 1, 3), ATTRIBUTE)
#define BOOST_FUSION_ADT_ATTRIBUTE_TYPEOF( \
NAME_SEQ, ATTRIBUTE, ATTRIBUTE_TUPEL_SIZE) \
\
struct deduced_attr_type { \
const BOOST_FUSION_ADAPT_STRUCT_UNPACK_NAME(NAME_SEQ)& obj; \
typedef BOOST_TYPEOF( \
BOOST_PP_TUPLE_ELEM(ATTRIBUTE_TUPEL_SIZE, 2, ATTRIBUTE)) type; \
BOOST_FUSION_ADAPT_ADT_ATTRIBUTE_GETEXPR( \
ATTRIBUTE, ATTRIBUTE_TUPEL_SIZE, 1)) type; \
}; \
\
typedef remove_const<deduced_attr_type::type>::type type; \
@@ -64,7 +79,7 @@
BOOST_PP_IF(DEDUCE_TYPE, \
BOOST_FUSION_ADT_ATTRIBUTE_TYPEOF, \
BOOST_FUSION_ADT_ATTRIBUTE_GIVENTYPE \
)(NAME_SEQ, ATTRIBUTE, ATTRIBUTE_TUPEL_SIZE) /* XXX: Check PREFIX */\
)(NAME_SEQ, ATTRIBUTE, ATTRIBUTE_TUPEL_SIZE) /* XXX: Check PROXY PREFIX */\
\
template<class Val> \
BOOST_FUSION_GPU_ENABLED \
@@ -73,7 +88,8 @@
BOOST_FUSION_ADAPT_STRUCT_UNPACK_NAME(NAME_SEQ)& obj, \
Val const& val) \
{ \
BOOST_PP_TUPLE_ELEM(ATTRIBUTE_TUPEL_SIZE, 3, ATTRIBUTE); \
BOOST_FUSION_ADAPT_ADT_ATTRIBUTE_SETEXPR(ATTRIBUTE, \
ATTRIBUTE_TUPEL_SIZE, DEDUCE_TYPE); \
} \
\
BOOST_FUSION_GPU_ENABLED \
@@ -81,7 +97,8 @@
boost_fusion_adapt_adt_impl_get( \
BOOST_FUSION_ADAPT_STRUCT_UNPACK_NAME(NAME_SEQ)& obj) \
{ \
return BOOST_PP_TUPLE_ELEM(ATTRIBUTE_TUPEL_SIZE, 2, ATTRIBUTE); \
return BOOST_FUSION_ADAPT_ADT_ATTRIBUTE_GETEXPR(ATTRIBUTE, \
ATTRIBUTE_TUPEL_SIZE, DEDUCE_TYPE); \
} \
\
BOOST_FUSION_GPU_ENABLED \
@@ -89,7 +106,8 @@
boost_fusion_adapt_adt_impl_get( \
BOOST_FUSION_ADAPT_STRUCT_UNPACK_NAME(NAME_SEQ) const& obj) \
{ \
return BOOST_PP_TUPLE_ELEM(ATTRIBUTE_TUPEL_SIZE, 2, ATTRIBUTE); \
return BOOST_FUSION_ADAPT_ADT_ATTRIBUTE_GETEXPR(ATTRIBUTE, \
ATTRIBUTE_TUPEL_SIZE, DEDUCE_TYPE); \
} \
}; \
\