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refactored extension::struct_member to extension::access::struct_member

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[SVN r64490]
This commit is contained in:
Christopher Schmidt
2010-07-31 00:17:34 +00:00
parent c879ab02c3
commit aa1bcfaa9a
10 changed files with 141 additions and 33 deletions
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11
include/boost/fusion/adapted/class/detail/adapt_base.hpp
View File

@ -37,7 +37,7 @@
template< \
BOOST_FUSION_ADAPT_STRUCT_UNPACK_TEMPLATE_PARAMS(TEMPLATE_PARAMS_SEQ) \
> \
struct class_member_proxy< \
struct access::class_member_proxy< \
BOOST_FUSION_ADAPT_STRUCT_UNPACK_NAME(NAME_SEQ) \
, I \
> \
@ -71,9 +71,14 @@
template< \
BOOST_FUSION_ADAPT_STRUCT_UNPACK_TEMPLATE_PARAMS(TEMPLATE_PARAMS_SEQ) \
> \
struct struct_member<BOOST_FUSION_ADAPT_STRUCT_UNPACK_NAME(NAME_SEQ), I> \
struct access::struct_member< \
BOOST_FUSION_ADAPT_STRUCT_UNPACK_NAME(NAME_SEQ) \
, I \
> \
{ \
typedef BOOST_PP_TUPLE_ELEM(ATTRIBUTE_TUPEL_SIZE, 0, ATTRIBUTE) lvalue; \
BOOST_FUSION_ADAPT_STRUCT_MSVC_REDEFINE_TEMPLATE_PARAMS( \
TEMPLATE_PARAMS_SEQ) \
\
typedef \
BOOST_PP_IF( \
@ -87,7 +92,7 @@
struct apply \
{ \
typedef \
class_member_proxy< \
access::class_member_proxy< \
BOOST_FUSION_ADAPT_STRUCT_UNPACK_NAME(NAME_SEQ) \
, I \
> \

13
include/boost/fusion/adapted/class/detail/extension.hpp
View File

@ -13,21 +13,12 @@
#include <boost/type_traits/remove_const.hpp>
#include <boost/type_traits/remove_reference.hpp>
namespace boost { namespace fusion
{
namespace detail
namespace boost { namespace fusion { namespace detail
{
template <typename T, typename Dummy>
struct get_identity
: remove_const<typename remove_reference<T>::type>
{};
}
namespace extension
{
template <typename T, int N>
struct class_member_proxy;
}
}}
}}}
#endif

38
include/boost/fusion/adapted/struct/detail/adapt_base.hpp
View File

@ -87,15 +87,41 @@
I, \
ATTRIBUTE)
#ifdef BOOST_MSVC
# define BOOST_FUSION_ADAPT_STRUCT_MSVC_REDEFINE_TEMPLATE_PARAM(R,_,ELEM) \
typedef ELEM ELEM;
# define BOOST_FUSION_ADAPT_STRUCT_MSVC_REDEFINE_TEMPLATE_PARAMS_IMPL(SEQ) \
BOOST_PP_SEQ_FOR_EACH( \
BOOST_FUSION_ADAPT_STRUCT_MSVC_REDEFINE_TEMPLATE_PARAM, \
_, \
BOOST_PP_SEQ_TAIL(SEQ))
# define BOOST_FUSION_ADAPT_STRUCT_MSVC_REDEFINE_TEMPLATE_PARAMS(SEQ) \
BOOST_PP_IF( \
BOOST_PP_SEQ_HEAD(SEQ), \
BOOST_FUSION_ADAPT_STRUCT_MSVC_REDEFINE_TEMPLATE_PARAMS_IMPL, \
BOOST_PP_TUPLE_EAT(1))(SEQ)
#else
# define BOOST_FUSION_ADAPT_STRUCT_MSVC_REDEFINE_TEMPLATE_PARAMS(SEQ)
#endif
#define BOOST_FUSION_ADAPT_STRUCT_C_BASE( \
TEMPLATE_PARAMS_SEQ,NAME_SEQ,I,PREFIX,ATTRIBUTE,ATTRIBUTE_TUPEL_SIZE) \
\
template< \
BOOST_FUSION_ADAPT_STRUCT_UNPACK_TEMPLATE_PARAMS(TEMPLATE_PARAMS_SEQ) \
> \
struct struct_member<BOOST_FUSION_ADAPT_STRUCT_UNPACK_NAME(NAME_SEQ), I> \
struct access::struct_member< \
BOOST_FUSION_ADAPT_STRUCT_UNPACK_NAME(NAME_SEQ) \
, I \
> \
{ \
typedef BOOST_PP_TUPLE_ELEM(ATTRIBUTE_TUPEL_SIZE, 0, ATTRIBUTE) type; \
typedef \
BOOST_PP_TUPLE_ELEM(ATTRIBUTE_TUPEL_SIZE, 0, ATTRIBUTE) \
attribute_type; \
BOOST_FUSION_ADAPT_STRUCT_MSVC_REDEFINE_TEMPLATE_PARAMS( \
TEMPLATE_PARAMS_SEQ) \
\
typedef attribute_type type; \
\
template<typename Seq> \
struct apply \
@ -104,12 +130,8 @@
add_reference< \
typename mpl::eval_if< \
is_const<Seq> \
, add_const<BOOST_PP_TUPLE_ELEM( \
ATTRIBUTE_TUPEL_SIZE, 0, ATTRIBUTE) \
> \
, mpl::identity<BOOST_PP_TUPLE_ELEM( \
ATTRIBUTE_TUPEL_SIZE, 0, ATTRIBUTE) \
> \
, add_const<attribute_type> \
, mpl::identity<attribute_type> \
>::type \
>::type \
type; \

2
include/boost/fusion/adapted/struct/detail/at_impl.hpp
View File

@ -22,7 +22,7 @@ namespace boost { namespace fusion { namespace extension
{
template <typename Seq, typename N>
struct apply
: extension::struct_member<
: access::struct_member<
typename remove_const<Seq>::type
, N::value
>::template apply<Seq>

2
include/boost/fusion/adapted/struct/detail/deref_impl.hpp
View File

@ -20,7 +20,7 @@ namespace boost { namespace fusion { namespace extension
struct apply
{
typedef typename
extension::struct_member<
access::struct_member<
typename remove_const<typename It::seq_type>::type
, It::index::value
>::template apply<typename It::seq_type>

6
include/boost/fusion/adapted/struct/detail/extension.hpp
View File

@ -27,9 +27,15 @@ namespace boost { namespace fusion
{
struct no_such_member;
struct access
{
template<typename Seq, int N>
struct struct_member;
template <typename T, int N>
struct class_member_proxy;
};
template<typename Seq, int N>
struct struct_member_name;

2
include/boost/fusion/adapted/struct/detail/value_at_impl.hpp
View File

@ -20,7 +20,7 @@ namespace boost { namespace fusion { namespace extension
{
template <typename Seq, typename N>
struct apply
: struct_member<typename remove_const<Seq>::type, N::value>
: access::struct_member<typename remove_const<Seq>::type, N::value>
{};
};

2
include/boost/fusion/adapted/struct/detail/value_of_impl.hpp
View File

@ -18,7 +18,7 @@ namespace boost { namespace fusion { namespace extension
{
template <typename It>
struct apply
: extension::struct_member<
: access::struct_member<
typename remove_const<typename It::seq_type>::type
, It::index::value
>

50
test/sequence/adapt_class.cpp
View File

@ -50,6 +50,26 @@ namespace ns
int x;
int y;
};
#if !BOOST_WORKAROUND(__GNUC__,<4)
class point_with_private_members
{
friend struct boost::fusion::extension::access;
public:
point_with_private_members() : x(0), y(0) {}
point_with_private_members(int x, int y) : x(x), y(y) {}
private:
int get_x() const { return x; }
int get_y() const { return y; }
void set_x(int x_) { x = x_; }
void set_y(int y_) { y = y_; }
int x;
int y;
};
#endif
}
BOOST_FUSION_ADAPT_CLASS(
@ -58,6 +78,14 @@ BOOST_FUSION_ADAPT_CLASS(
(int, int, obj.get_y(), obj.set_y(val))
)
#if !BOOST_WORKAROUND(__GNUC__,<4)
BOOST_FUSION_ADAPT_CLASS(
ns::point_with_private_members,
(int, int, obj.get_x(), obj.set_x(val))
(int, int, obj.get_y(), obj.set_y(val))
)
#endif
int
main()
{
@ -124,6 +152,28 @@ main()
, mpl::front<ns::point>::type>));
}
#if !BOOST_WORKAROUND(__GNUC__,<4)
{
BOOST_MPL_ASSERT_NOT((traits::is_view<ns::point_with_private_members>));
ns::point_with_private_members p(123, 456);
std::cout << at_c<0>(p) << std::endl;
std::cout << at_c<1>(p) << std::endl;
std::cout << p << std::endl;
BOOST_TEST(p == make_vector(123, 456));
at_c<0>(p) = 6;
at_c<1>(p) = 9;
BOOST_TEST(p == make_vector(6, 9));
BOOST_STATIC_ASSERT(result_of::size<ns::point_with_private_members>::value == 2);
BOOST_STATIC_ASSERT(!result_of::empty<ns::point_with_private_members>::value);
BOOST_TEST(front(p) == 6);
BOOST_TEST(back(p) == 9);
}
#endif
return boost::report_errors();
}

36
test/sequence/adapt_struct.cpp
View File

@ -28,6 +28,7 @@
#include <boost/mpl/front.hpp>
#include <boost/mpl/is_sequence.hpp>
#include <boost/mpl/assert.hpp>
#include <boost/static_assert.hpp>
#include <iostream>
#include <string>
@ -38,6 +39,21 @@ namespace ns
int x;
int y;
};
#if !BOOST_WORKAROUND(__GNUC__,<4)
struct point_with_private_attributes
{
friend struct boost::fusion::extension::access;
private:
int x;
int y;
public:
point_with_private_attributes(int x, int y):x(x),y(y)
{}
};
#endif
}
BOOST_FUSION_ADAPT_STRUCT(
@ -46,6 +62,14 @@ BOOST_FUSION_ADAPT_STRUCT(
(int, y)
)
#if !BOOST_WORKAROUND(__GNUC__,<4)
BOOST_FUSION_ADAPT_STRUCT(
ns::point_with_private_attributes,
(int, x)
(int, y)
)
#endif
struct s { int m; };
BOOST_FUSION_ADAPT_STRUCT(s, (int, m))
@ -118,7 +142,6 @@ main()
BOOST_MPL_ASSERT((is_same<result_of::next<b>::type, e>));
}
{
BOOST_MPL_ASSERT((mpl::is_sequence<ns::point>));
BOOST_MPL_ASSERT((boost::is_same<
@ -126,6 +149,17 @@ main()
, mpl::front<ns::point>::type>));
}
#if !BOOST_WORKAROUND(__GNUC__,<4)
{
ns::point_with_private_attributes p(123, 456);
std::cout << at_c<0>(p) << std::endl;
std::cout << at_c<1>(p) << std::endl;
std::cout << p << std::endl;
BOOST_TEST(p == make_vector(123, 456));
}
#endif
return boost::report_errors();
}