ecency-mobile/ios/Pods/boost-for-react-native/boost/python/detail/destroy.hpp

64 lines
1.5 KiB
C++
Raw Normal View History

// 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 DESTROY_DWA2002221_HPP
# define DESTROY_DWA2002221_HPP
# include <boost/type_traits/is_array.hpp>
# include <boost/detail/workaround.hpp>
namespace boost { namespace python { namespace detail {
template <bool array> struct value_destroyer;
template <>
struct value_destroyer<false>
{
template <class T>
static void execute(T const volatile* p)
{
p->~T();
}
};
template <>
struct value_destroyer<true>
{
template <class A, class T>
static void execute(A*, T const volatile* const first)
{
for (T const volatile* p = first; p != first + sizeof(A)/sizeof(T); ++p)
{
value_destroyer<
boost::is_array<T>::value
>::execute(p);
}
}
template <class T>
static void execute(T const volatile* p)
{
execute(p, *p);
}
};
template <class T>
inline void destroy_referent_impl(void* p, T& (*)())
{
// note: cv-qualification needed for MSVC6
// must come *before* T for metrowerks
value_destroyer<
(boost::is_array<T>::value)
>::execute((const volatile T*)p);
}
template <class T>
inline void destroy_referent(void* p, T(*)() = 0)
{
destroy_referent_impl(p, (T(*)())0);
}
}}} // namespace boost::python::detail
#endif // DESTROY_DWA2002221_HPP