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Use boost::wrapexcept<E> as the thrown exception type

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This commit is contained in:
Peter Dimov
2018-09-27 08:13:59 +03:00
parent 56dd1c4111
commit 322d7611af
1 changed files with 35 additions and 2 deletions
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37
include/boost/exception/exception.hpp
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@ -473,15 +473,48 @@ boost
return exception_detail::clone_impl<T>(x);
}
template <class T>
struct
BOOST_SYMBOL_VISIBLE
wrapexcept:
public exception_detail::clone_impl<typename exception_detail::enable_error_info_return_type<T>::type>
{
typedef exception_detail::clone_impl<typename exception_detail::enable_error_info_return_type<T>::type> base_type;
public:
explicit
wrapexcept( typename exception_detail::enable_error_info_return_type<T>::type const & x ):
base_type( x )
{
}
~wrapexcept() throw()
{
}
};
namespace
exception_detail
{
template <class T>
struct
remove_error_info_injector
{
typedef T type;
};
template <class T>
struct
remove_error_info_injector< error_info_injector<T> >
{
typedef T type;
};
template <class T>
inline
clone_impl<typename enable_error_info_return_type<T>::type>
wrapexcept<typename remove_error_info_injector<T>::type>
enable_both( T const & x )
{
return enable_current_exception( enable_error_info( x ) );
return wrapexcept<typename remove_error_info_injector<T>::type>( enable_error_info( x ) );
}
}
}