(p)
assert_or_echo : ASSERT "(" opt_call_parameter_list ")"
                    |   ECHO "(" opt_call_parameter_list ")"
assert_or_echo : ASSERT "(" opt_call_parameter_list ")"
                    |   ECHO "(" opt_call_parameter_list ")"
assert_or_echo : ASSERT ( opt_call_parameter_list ) | ECHO ( opt_call_parameter_list )
def p_assert_or_echo(p):
    '''assert_or_echo : ASSERT "(" opt_call_parameter_list ")"
                    |   ECHO "(" opt_call_parameter_list ")"
       '''
def p_assert_or_echo ( p ) :