def METHOD_NAME(self, node, expr_str, **kwargs):
    try:
        return DivisionToFortranDivisionMapper()(
                self.expr_parser(expr_str, **kwargs))
    except Exception as e:
        raise LoopyError(
                "Error parsing expression '%s' on line %d of '%s': %s"
                % (expr_str, node.item.span[0], self.filename, str(e)))