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exception_ptr ctor for std::exception_ptr

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This commit is contained in:
Emil Dotchevski
2021-09-29 22:25:22 -07:00
parent 3ae756dd49
commit c5367711b7
1 changed files with 36 additions and 22 deletions
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58
include/boost/exception/detail/exception_ptr.hpp
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@ -40,6 +40,35 @@
namespace
boost
{
namespace
exception_detail
{
#ifndef BOOST_NO_CXX11_HDR_EXCEPTION
struct
std_exception_ptr_wrapper
{
std::exception_ptr p;
explicit std_exception_ptr_wrapper( std::exception_ptr const & ptr ) BOOST_NOEXCEPT:
p(ptr)
{
}
#ifndef BOOST_NO_CXX11_RVALUE_REFERENCES
explicit std_exception_ptr_wrapper( std::exception_ptr && ptr ) BOOST_NOEXCEPT:
p(static_cast<std::exception_ptr &&>(ptr))
{
}
#endif
};
shared_ptr<exception_detail::clone_base const>
wrap_exception_ptr( std::exception_ptr const & e )
{
exception_detail::clone_base const & base =
boost::enable_current_exception(std_exception_ptr_wrapper(std::current_exception()));
return shared_ptr<exception_detail::clone_base const>(base.clone());
}
#endif
}
class exception_ptr;
namespace exception_detail { void rethrow_exception_( exception_ptr const & ); }
@ -54,6 +83,12 @@ boost
exception_ptr()
{
}
#ifndef BOOST_NO_CXX11_HDR_EXCEPTION
exception_ptr( std::exception_ptr const & e ):
ptr_(exception_detail::wrap_exception_ptr(e))
{
}
#endif
explicit
exception_ptr( impl const & ptr ):
ptr_(ptr)
@ -307,24 +342,6 @@ boost
return boost::copy_exception(unknown_exception(e));
}
#ifndef BOOST_NO_CXX11_HDR_EXCEPTION
struct
std_exception_ptr_wrapper
{
std::exception_ptr p;
explicit std_exception_ptr_wrapper( std::exception_ptr const & ptr ) BOOST_NOEXCEPT:
p(ptr)
{
}
#ifndef BOOST_NO_CXX11_RVALUE_REFERENCES
explicit std_exception_ptr_wrapper( std::exception_ptr && ptr ) BOOST_NOEXCEPT:
p(static_cast<std::exception_ptr &&>(ptr))
{
}
#endif
};
#endif
inline
exception_ptr
current_exception_impl()
@ -457,10 +474,7 @@ boost
#ifndef BOOST_NO_CXX11_HDR_EXCEPTION
try
{
// wrap the std::exception_ptr in a clone-enabled Boost.Exception object
exception_detail::clone_base const & base =
boost::enable_current_exception(std_exception_ptr_wrapper(std::current_exception()));
return exception_ptr(shared_ptr<exception_detail::clone_base const>(base.clone()));
return exception_ptr(std::current_exception());
}
catch(
...)