bound_terminal : unbound_terminal

def p_bound_terminal(self, p):
        """bound_terminal : unbound_terminal"""
        if p[1][0].literal in ['*', '**']:
            p[0] = [_Segment(_BINDING, '$%d' % self.binding_var_count),
                    p[1][0],
                    _Segment(_END_BINDING, '')]
            self.binding_var_count += 1
        else:
            p[0] = p[1]