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No need to deep-copy the boost::exception base

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This commit is contained in:
Peter Dimov
2019-11-30 22:42:43 +02:00
parent a2a78f6e46
commit 26bc9374e2
1 changed files with 13 additions and 2 deletions
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15
include/boost/throw_exception.hpp
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@ -113,16 +113,27 @@ private:
~deleter() { delete p_; }
};
private:
void copy_from( void const* )
{
}
void copy_from( boost::exception const* p )
{
static_cast<boost::exception&>( *this ) = *p;
}
public:
explicit wrapexcept( E const & e ): E( e )
{
boost::exception_detail::copy_boost_exception( this, &e );
copy_from( &e );
}
explicit wrapexcept( E const & e, boost::source_location const & loc ): E( e )
{
boost::exception_detail::copy_boost_exception( this, &e );
copy_from( &e );
set_info( *this, throw_file( loc.file_name() ) );
set_info( *this, throw_line( loc.line() ) );