ref_ds=new Ref_defd_simple(new Identifier(my_mod->get_modid()),
new Identifier(new_ass_id));
ref_ds->set_fullname(get_fullname());
ref_ds=new Ref_defd_simple(new Identifier(my_mod->get_modid()),
new Identifier(new_ass_id));
ref_ds->set_fullname(get_fullname());