@staticmethod
def p_new_symbols_value(p):
    """
        new_symbols_value : CM_
                          | BA_DEF_
                          | BA_
                          | VAL_
                          | CAT_DEF_
                          | CAT_
                          | FILTER_
                          | BA_DEF_DEF_
                          | EV_DATA_
                          | ENVVAR_DATA_
                          | SGTYPE_
                          | SGTYPE_VAL_
                          | BA_DEF_SGTYPE_
                          | BA_SGTYPE_
                          | SIG_TYPE_REF_
                          | VAL_TABLE_
                          | SIG_GROUP_
                          | SIG_VALTYPE_
                          | SIGTYPE_VALTYPE_
                          | BO_TX_BU_
                          | BA_DEF_REL_
                          | BA_REL_
                          | BA_DEF_DEF_REL_
                          | BU_SG_REL_
                          | BU_EV_REL_
                          | BU_BO_REL_
                          | NS_DESC_
                          | FILTER
                          | SG_MUL_VAL_
        """
    p[0] = p[1]
