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// Copyright David Abrahams 2002.
// 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 POINTER_TYPE_ID_DWA2002222_HPP
# define POINTER_TYPE_ID_DWA2002222_HPP
# include <boost/python/type_id.hpp>
# include <boost/python/detail/type_traits.hpp>
namespace boost { namespace python { namespace converter {
namespace detail
{
template <bool is_ref = false>
struct pointer_typeid_select
{
template <class T>
static inline type_info execute(T*(*)() = 0)
{
return type_id<T>();
}
};
template <>
struct pointer_typeid_select<true>
{
template <class T>
static inline type_info execute(T* const volatile&(*)() = 0)
{
return type_id<T>();
}
template <class T>
static inline type_info execute(T*volatile&(*)() = 0)
{
return type_id<T>();
}
template <class T>
static inline type_info execute(T*const&(*)() = 0)
{
return type_id<T>();
}
template <class T>
static inline type_info execute(T*&(*)() = 0)
{
return type_id<T>();
}
};
}
// Usage: pointer_type_id<T>()
//
// Returns a type_info associated with the type pointed
// to by T, which may be a pointer or a reference to a pointer.
template <class T>
type_info pointer_type_id(T(*)() = 0)
{
return detail::pointer_typeid_select<
boost::python::detail::is_lvalue_reference<T>::value
>::execute((T(*)())0);
}
}}} // namespace boost::python::converter
#endif // POINTER_TYPE_ID_DWA2002222_HPP
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