def visit_BinaryOp(self, binop):
binop = self.generic_visit(binop)
if is_numeric(binop.lhs.type) and is_numeric(binop.rhs.type):
binop.type = common_arithmetic_type(binop.lhs.type, binop.rhs.type)
else:
raise InvalidExpressionError(binop)
return binop
def type(self, args):
return common_arithmetic_type(args[0].type, args[1].type)
