mirror of
https://github.com/boostorg/python.git
synced 2026-01-25 18:32:24 +00:00
Initial work for virtual function support
[SVN r13175]
This commit is contained in:
Dave Abrahams
@@ -12,6 +12,7 @@
|
||||
# include <boost/python/detail/eval.hpp>
|
||||
# include <boost/ref.hpp>
|
||||
# include <boost/type.hpp>
|
||||
# include <boost/mpl/select_type.hpp>
|
||||
|
||||
namespace boost { namespace python { namespace objects {
|
||||
|
||||
@@ -145,7 +146,137 @@ struct pointer_holder : instance_holder
|
||||
Pointer m_p;
|
||||
};
|
||||
|
||||
}}}
|
||||
template <class Pointer, class Value, class BackReferenceType>
|
||||
struct pointer_holder_back_reference : instance_holder
|
||||
{
|
||||
pointer_holder_back_reference(Pointer);
|
||||
|
||||
// Forward construction to the held object
|
||||
pointer_holder_back_reference(PyObject* p)
|
||||
: m_p(new Value(p)) {}
|
||||
|
||||
|
||||
template <class A1>
|
||||
pointer_holder_back_reference(PyObject* p, A1 a1)
|
||||
: m_p(new Value(p
|
||||
, (typename unwrap_reference<A1>::type&)(a1)
|
||||
))
|
||||
{}
|
||||
|
||||
template <class A1, class A2>
|
||||
pointer_holder_back_reference(PyObject* p, A1 a1, A2 a2)
|
||||
: m_p(new Value(p
|
||||
, (typename unwrap_reference<A1>::type&)(a1)
|
||||
, (typename unwrap_reference<A2>::type&)(a2)
|
||||
))
|
||||
{}
|
||||
|
||||
template <class A1, class A2, class A3>
|
||||
pointer_holder_back_reference(PyObject* p, A1 a1, A2 a2, A3 a3)
|
||||
: m_p(new Value(p
|
||||
, (typename unwrap_reference<A1>::type&)(a1)
|
||||
, (typename unwrap_reference<A2>::type&)(a2)
|
||||
, (typename unwrap_reference<A3>::type&)(a3)
|
||||
))
|
||||
{}
|
||||
|
||||
template <class A1, class A2, class A3, class A4>
|
||||
pointer_holder_back_reference(PyObject* p, A1 a1, A2 a2, A3 a3, A4 a4)
|
||||
: m_p(new Value(p
|
||||
, (typename unwrap_reference<A1>::type&)(a1)
|
||||
, (typename unwrap_reference<A2>::type&)(a2)
|
||||
, (typename unwrap_reference<A3>::type&)(a3)
|
||||
, (typename unwrap_reference<A4>::type&)(a4)
|
||||
))
|
||||
{}
|
||||
|
||||
template <class A1, class A2, class A3, class A4, class A5>
|
||||
pointer_holder_back_reference(PyObject* p, A1 a1, A2 a2, A3 a3, A4 a4, A5 a5)
|
||||
: m_p(new Value(p
|
||||
, (typename unwrap_reference<A1>::type&)(a1)
|
||||
, (typename unwrap_reference<A2>::type&)(a2)
|
||||
, (typename unwrap_reference<A3>::type&)(a3)
|
||||
, (typename unwrap_reference<A4>::type&)(a4)
|
||||
, (typename unwrap_reference<A5>::type&)(a5)
|
||||
)) {}
|
||||
|
||||
template <class A1, class A2, class A3, class A4, class A5, class A6>
|
||||
pointer_holder_back_reference(PyObject* p, A1 a1, A2 a2, A3 a3, A4 a4, A5 a5, A6 a6)
|
||||
: m_p(new Value(p
|
||||
, (typename unwrap_reference<A1>::type&)(a1)
|
||||
, (typename unwrap_reference<A2>::type&)(a2)
|
||||
, (typename unwrap_reference<A3>::type&)(a3)
|
||||
, (typename unwrap_reference<A4>::type&)(a4)
|
||||
, (typename unwrap_reference<A5>::type&)(a5)
|
||||
, (typename unwrap_reference<A6>::type&)(a6)
|
||||
)) {}
|
||||
|
||||
template <class A1, class A2, class A3, class A4, class A5, class A6, class A7>
|
||||
pointer_holder_back_reference(PyObject* p, A1 a1, A2 a2, A3 a3, A4 a4, A5 a5, A6 a6, A7 a7)
|
||||
: m_p(new Value(p
|
||||
, (typename unwrap_reference<A1>::type&)(a1)
|
||||
, (typename unwrap_reference<A2>::type&)(a2)
|
||||
, (typename unwrap_reference<A3>::type&)(a3)
|
||||
, (typename unwrap_reference<A4>::type&)(a4)
|
||||
, (typename unwrap_reference<A5>::type&)(a5)
|
||||
, (typename unwrap_reference<A6>::type&)(a6)
|
||||
, (typename unwrap_reference<A7>::type&)(a7)
|
||||
))
|
||||
{}
|
||||
|
||||
template <class A1, class A2, class A3, class A4, class A5, class A6, class A7, class A8>
|
||||
pointer_holder_back_reference(PyObject* p, A1 a1, A2 a2, A3 a3, A4 a4, A5 a5, A6 a6, A7 a7, A8 a8)
|
||||
: m_p(new Value(p
|
||||
, (typename unwrap_reference<A1>::type&)(a1)
|
||||
, (typename unwrap_reference<A2>::type&)(a2)
|
||||
, (typename unwrap_reference<A3>::type&)(a3)
|
||||
, (typename unwrap_reference<A4>::type&)(a4)
|
||||
, (typename unwrap_reference<A5>::type&)(a5)
|
||||
, (typename unwrap_reference<A6>::type&)(a6)
|
||||
, (typename unwrap_reference<A7>::type&)(a7)
|
||||
, (typename unwrap_reference<A8>::type&)(a8)
|
||||
))
|
||||
{}
|
||||
|
||||
template <class A1, class A2, class A3, class A4, class A5, class A6, class A7, class A8, class A9>
|
||||
pointer_holder_back_reference(PyObject* p, A1 a1, A2 a2, A3 a3, A4 a4, A5 a5, A6 a6, A7 a7, A8 a8, A9 a9)
|
||||
: m_p(new Value(p
|
||||
, (typename unwrap_reference<A1>::type&)(a1)
|
||||
, (typename unwrap_reference<A2>::type&)(a2)
|
||||
, (typename unwrap_reference<A3>::type&)(a3)
|
||||
, (typename unwrap_reference<A4>::type&)(a4)
|
||||
, (typename unwrap_reference<A5>::type&)(a5)
|
||||
, (typename unwrap_reference<A6>::type&)(a6)
|
||||
, (typename unwrap_reference<A7>::type&)(a7)
|
||||
, (typename unwrap_reference<A8>::type&)(a8)
|
||||
, (typename unwrap_reference<A9>::type&)(a9)
|
||||
))
|
||||
{}
|
||||
|
||||
template <class A1, class A2, class A3, class A4, class A5, class A6, class A7, class A8, class A9, class A10>
|
||||
pointer_holder_back_reference(PyObject* p, A1 a1, A2 a2, A3 a3, A4 a4, A5 a5, A6 a6, A7 a7, A8 a8, A9 a9, A10 a10)
|
||||
: m_p(new Value(p
|
||||
, (typename unwrap_reference<A1>::type&)(a1)
|
||||
, (typename unwrap_reference<A2>::type&)(a2)
|
||||
, (typename unwrap_reference<A3>::type&)(a3)
|
||||
, (typename unwrap_reference<A4>::type&)(a4)
|
||||
, (typename unwrap_reference<A5>::type&)(a5)
|
||||
, (typename unwrap_reference<A6>::type&)(a6)
|
||||
, (typename unwrap_reference<A7>::type&)(a7)
|
||||
, (typename unwrap_reference<A8>::type&)(a8)
|
||||
, (typename unwrap_reference<A9>::type&)(a9)
|
||||
, (typename unwrap_reference<A10>::type&)(a10)
|
||||
))
|
||||
{}
|
||||
|
||||
private: // required holder implementation
|
||||
void* holds(converter::undecorated_type_id_t);
|
||||
|
||||
private: // data members
|
||||
Pointer m_p;
|
||||
};
|
||||
|
||||
}}} // namespace boost::python::objects
|
||||
|
||||
// back to namespace boost for this forward declaration
|
||||
namespace boost
|
||||
@@ -164,19 +295,54 @@ struct shared_ptr_generator
|
||||
};
|
||||
};
|
||||
|
||||
struct no_back_reference;
|
||||
|
||||
// Workaround lack of partial specialization
|
||||
namespace detail
|
||||
{
|
||||
template <class BackReferenceType, class PointerGenerator>
|
||||
struct pointer_holder_back_reference_generator
|
||||
{
|
||||
template <class Held>
|
||||
struct apply
|
||||
{
|
||||
typedef typename boost::python::detail::eval<
|
||||
PointerGenerator,BackReferenceType
|
||||
>::type pointer;
|
||||
|
||||
typedef pointer_holder_back_reference<pointer,Held,BackReferenceType> type;
|
||||
};
|
||||
};
|
||||
|
||||
template <class PointerGenerator>
|
||||
struct plain_pointer_holder_generator
|
||||
{
|
||||
template <class Held>
|
||||
struct apply
|
||||
{
|
||||
typedef typename boost::python::detail::eval<
|
||||
PointerGenerator,Held
|
||||
>::type pointer;
|
||||
|
||||
typedef pointer_holder<pointer, Held> type;
|
||||
};
|
||||
};
|
||||
}
|
||||
|
||||
// A generator metafunction which can be passed to make_holder
|
||||
// PointerGenerator should be another generator metafunction which
|
||||
// makes the appropriate (smart) pointer type to hold the argument to
|
||||
// pointer_holder_generator.
|
||||
template <class PointerGenerator>
|
||||
template <class PointerGenerator, class BackReferenceType = no_back_reference>
|
||||
struct pointer_holder_generator
|
||||
: mpl::select_type<
|
||||
is_same<BackReferenceType,no_back_reference>::value
|
||||
, detail::plain_pointer_holder_generator<
|
||||
PointerGenerator>
|
||||
, detail::pointer_holder_back_reference_generator<
|
||||
BackReferenceType,PointerGenerator>
|
||||
>::type
|
||||
{
|
||||
template <class Held>
|
||||
struct apply
|
||||
{
|
||||
typedef typename detail::eval<PointerGenerator,Held>::type pointer;
|
||||
typedef pointer_holder<pointer, Held> type;
|
||||
};
|
||||
};
|
||||
|
||||
template <class Pointer, class Value>
|
||||
|
||||
Reference in New Issue
Block a user