NS_ITERATOR
case NS_ITERATOR:
bind_symbol(cont, &continue_ident, NS_ITERATOR);
bind_symbol(brk, &break_ident, NS_ITERATOR);
bind_symbol(ret, &return_ident, NS_ITERATOR);
bind_symbol(brk, &break_ident, NS_ITERATOR);
bind_symbol(switch_case, &case_ident, NS_ITERATOR);
struct symbol *target = lookup_symbol(&case_ident, NS_ITERATOR);
struct symbol *target = lookup_symbol(&return_ident, NS_ITERATOR);
struct symbol *target = lookup_symbol(token->ident, NS_ITERATOR);