long_member_name_prop
lmn_target = get_prop(true_target->prop, long_member_name_prop)->body.long_member_name.member_name;
long_member_name_prop)->body.long_member_name.member_name;
prop = append_prop(name, long_member_name_prop);
get_prop(np->prop, long_member_name_prop)
case long_member_name_prop: