public override DataType staticTypeCheck()
{
DataType leftType = LeftOperand.staticTypeCheck();
DataType rightType = RightOperand.staticTypeCheck();
if (leftType == DataType.StringType && rightType == DataType.StringType)
{
return(DataType.StringType);
}
else if (leftType == DataType.FloatType || rightType == DataType.FloatType)
{
return(DataType.FloatType);
}
else if (leftType == DataType.IntegerType && rightType == DataType.IntegerType)
{
return(DataType.IntegerType);
}
Log.Error("Type mismatch", Filename, Line, Position);
return(DataType.NoneType);
}
