boostorg/fusion
1
0
Fork 1
mirror of https://github.com/boostorg/fusion.git synced 2025-07-15 05:16:39 +02:00
Code Issues Packages Projects Releases Wiki Activity

added BOOST_SPIRIT_ADAPT_STRUCT macro

Browse Source 
[SVN r37331]
This commit is contained in:
Joel de Guzman
2007-04-02 04:34:24 +00:00
parent 5423cde1f1
commit bf05751f9e
4 changed files with 187 additions and 1 deletions
Download Patch File Download Diff File Expand all files Collapse all files

3
include/boost/fusion/sequence/adapted/struct.hpp
View File

@ -8,6 +8,9 @@
#if !defined(BOOST_FUSION_STRUCT_24122005_1744)
#define BOOST_FUSION_STD_STRUCT_24122005_1744
#include <boost/fusion/sequence/adapted/struct/extension.hpp>
#include <boost/fusion/sequence/adapted/struct/adapt_struct.hpp>
#include <boost/fusion/sequence/adapted/struct/struct_iterator.hpp>
#include <boost/fusion/sequence/adapted/struct/detail/is_view_impl.hpp>
#include <boost/fusion/sequence/adapted/struct/detail/is_sequence_impl.hpp>
#include <boost/fusion/sequence/adapted/struct/detail/category_of_impl.hpp>

75
include/boost/fusion/sequence/adapted/struct/adapt_struct.hpp Normal file
View File

@ -0,0 +1,75 @@
/*=============================================================================
Copyright (c) 2001-2007 Joel de Guzman
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)
==============================================================================*/
#if !defined(BOOST_FUSION_ADAPT_STRUCT_APRIL_2_2007_1158AM)
#define BOOST_FUSION_ADAPT_STRUCT_APRIL_2_2007_1158AM
#include <boost/fusion/support/tag_of_fwd.hpp>
#include <boost/fusion/sequence/adapted/struct/extension.hpp>
#include <boost/fusion/sequence/adapted/struct/struct_iterator.hpp>
#include <boost/fusion/sequence/adapted/struct/detail/is_view_impl.hpp>
#include <boost/fusion/sequence/adapted/struct/detail/is_sequence_impl.hpp>
#include <boost/fusion/sequence/adapted/struct/detail/category_of_impl.hpp>
#include <boost/fusion/sequence/adapted/struct/detail/begin_impl.hpp>
#include <boost/fusion/sequence/adapted/struct/detail/end_impl.hpp>
#include <boost/fusion/sequence/adapted/struct/detail/size_impl.hpp>
#include <boost/fusion/sequence/adapted/struct/detail/at_impl.hpp>
#include <boost/fusion/sequence/adapted/struct/detail/value_at_impl.hpp>
#include <boost/preprocessor/cat.hpp>
#include <boost/preprocessor/punctuation/comma_if.hpp>
#include <boost/preprocessor/seq/for_each_i.hpp>
#include <boost/preprocessor/tuple/elem.hpp>
#include <boost/preprocessor/repetition/enum_params_with_a_default.hpp>
#include <boost/preprocessor/repetition/enum_params.hpp>
#include <boost/preprocessor/cat.hpp>
#include <boost/mpl/int.hpp>
#include <utility>
#define BOOST_SPIRIT_ADAPT_STRUCT(name, bseq) \
BOOST_SPIRIT_ADAPT_STRUCT_I( \
name, BOOST_PP_CAT(BOOST_SPIRIT_ADAPT_STRUCT_X bseq, 0)) \
/***/
#define BOOST_SPIRIT_ADAPT_STRUCT_X(x, y) ((x, y)) BOOST_SPIRIT_ADAPT_STRUCT_Y
#define BOOST_SPIRIT_ADAPT_STRUCT_Y(x, y) ((x, y)) BOOST_SPIRIT_ADAPT_STRUCT_X
#define BOOST_SPIRIT_ADAPT_STRUCT_X0
#define BOOST_SPIRIT_ADAPT_STRUCT_Y0
// BOOST_SPIRIT_ADAPT_STRUCT_I generates the overarching structure and uses
// SEQ_FOR_EACH_I to generate the "linear" substructures.
// Thanks to Paul Mensonides for the PP macro help
#define BOOST_SPIRIT_ADAPT_STRUCT_I(name, seq) \
namespace boost { namespace fusion { namespace traits \
{ \
template <> \
struct tag_of<name> \
{ \
typedef struct_tag type; \
}; \
}}} \
namespace boost { namespace fusion { namespace extension \
{ \
template <> \
struct struct_size<name> : mpl::int_<BOOST_PP_SEQ_SIZE(seq)> {}; \
BOOST_PP_SEQ_FOR_EACH_I(BOOST_SPIRIT_ADAPT_STRUCT_C, name, seq) \
}}} \
/***/
#define BOOST_SPIRIT_ADAPT_STRUCT_C(r, name, i, xy) \
template <> \
struct struct_member<name, i> \
{ \
typedef BOOST_PP_TUPLE_ELEM(2, 0, xy) type; \
static type& call(name& struct_) \
{ \
return struct_.BOOST_PP_TUPLE_ELEM(2, 1, xy); \
}; \
}; \
/***/
#endif

2
test/Jamfile
View File

@ -107,6 +107,8 @@ import testing ;
[ run sequence/zip_view_ignore.cpp : : : : ]
[ run sequence/repetitive_view.cpp : : : : ]
[ run sequence/deduce_sequence.cpp : : : : ]
[ run sequence/adapt_struct.cpp : : : : ]
[ run functional/fused.cpp : : : : ]
[ run functional/fused_function_object.cpp : : : : ]
[ run functional/fused_procedure.cpp : : : : ]

106
test/sequence/adapt_struct.cpp Normal file
View File

@ -0,0 +1,106 @@
/*=============================================================================
Copyright (c) 2001-2007 Joel de Guzman
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)
==============================================================================*/
#include <boost/detail/lightweight_test.hpp>
#include <boost/fusion/sequence/adapted/struct/adapt_struct.hpp>
#include <boost/fusion/sequence/intrinsic/at.hpp>
#include <boost/fusion/sequence/intrinsic/size.hpp>
#include <boost/fusion/sequence/intrinsic/empty.hpp>
#include <boost/fusion/sequence/intrinsic/front.hpp>
#include <boost/fusion/sequence/intrinsic/back.hpp>
#include <boost/fusion/sequence/io/out.hpp>
#include <boost/fusion/sequence/container/vector/vector.hpp>
#include <boost/fusion/sequence/container/list/list.hpp>
#include <boost/fusion/sequence/generation/make_vector.hpp>
#include <boost/fusion/sequence/conversion/as_vector.hpp>
#include <boost/fusion/sequence/comparison/equal_to.hpp>
#include <boost/fusion/sequence/comparison/not_equal_to.hpp>
#include <boost/fusion/sequence/comparison/less.hpp>
#include <boost/fusion/sequence/comparison/less_equal.hpp>
#include <boost/fusion/sequence/comparison/greater.hpp>
#include <boost/fusion/sequence/comparison/greater_equal.hpp>
#include <boost/fusion/support/is_view.hpp>
#include <boost/mpl/assert.hpp>
#include <iostream>
#include <string>
namespace ns
{
struct point
{
int x;
int y;
};
}
BOOST_SPIRIT_ADAPT_STRUCT(
ns::point,
(int, x)
(int, y)
)
int
main()
{
using namespace boost::fusion;
using namespace boost;
using namespace std;
std::cout << tuple_open('[');
std::cout << tuple_close(']');
std::cout << tuple_delimiter(", ");
{
BOOST_MPL_ASSERT_NOT((traits::is_view<ns::point>));
ns::point 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>::value == 2);
BOOST_STATIC_ASSERT(!result_of::empty<ns::point>::value);
BOOST_TEST(front(p) == 6);
BOOST_TEST(back(p) == 9);
}
{
fusion::vector<int, float> v1(4, 2);
ns::point v2 = {5, 3};
fusion::vector<long, double> v3(5, 4);
BOOST_TEST(v1 < v2);
BOOST_TEST(v1 <= v2);
BOOST_TEST(v2 > v1);
BOOST_TEST(v2 >= v1);
BOOST_TEST(v2 < v3);
BOOST_TEST(v2 <= v3);
BOOST_TEST(v3 > v2);
BOOST_TEST(v3 >= v2);
}
{
// conversion from ns::point to vector
ns::point p = {5, 3};
fusion::vector<int, short> v(p);
v = p;
}
{
// conversion from ns::point to list
ns::point p = {5, 3};
fusion::list<int, short> l(p);
l = p;
}
return boost::report_errors();
}