inline
E const &
operator<<( E const & x, error_info<Tag,T> const & v )
{
typedef error_info<Tag,T> error_info_tag_t;
shared_ptr<error_info_tag_t> p( new error_info_tag_t(v) );
exception_detail::error_info_container * c=x.data_.get();
if( !c )
x.data_.adopt(c=new exception_detail::error_info_container_impl);
c->set(p,BOOST_EXCEPTION_STATIC_TYPEID(error_info_tag_t));
return x;
}
static
typename ErrorInfo::value_type *
get( exception const & x )
{
if( exception_detail::error_info_container * c=x.data_.get() )
if( shared_ptr<exception_detail::error_info_base> eib = c->get(BOOST_EXCEPTION_STATIC_TYPEID(ErrorInfo)) )
{
#ifndef BOOST_NO_RTTI
BOOST_ASSERT( 0!=dynamic_cast<ErrorInfo *>(eib.get()) );
#endif
ErrorInfo * w = static_cast<ErrorInfo *>(eib.get());
return &w->value();
}
return 0;
}
{
if (!data_.get())
data_.adopt(new exception_detail::error_info_container_impl);
if (auto b = dynamic_cast<const boost::exception_detail::error_info_container_impl*>(data_.get()))
return reinterpret_cast<const BackdoorToErrorInfoMap::type*>(&b->info_);
else
return nullptr;
}
const error_info_map* get_error_info_map(const boost::exception& be)
{
return be.get<BackdoorToErrorInfoMap>();
}
std::set<boost::exception_detail::type_info_> non_printing_error_types = {
BOOST_EXCEPTION_STATIC_TYPEID(e_nt_status),
BOOST_EXCEPTION_STATIC_TYPEID(e_last_error),
BOOST_EXCEPTION_STATIC_TYPEID(boost::errinfo_api_function),
BOOST_EXCEPTION_STATIC_TYPEID(boost::errinfo_nested_exception),
};
string diagnostic_information(const boost::exception& be)
{
if (auto* info_ = get_error_info_map(be))
{
std::ostringstream ss;
for (auto& kv : *info_)
{
auto& k = kv.first;
auto& v = *kv.second;
