private OperatorsType getOperatorsType(OperandType leftType, OperandType rightType)
{
if (leftType.Equals(rightType) && leftType.Equals(OperandType.attr))
{
return(OperatorsType.attr2attr);
}
else if (!leftType.Equals(OperandType.attr) && !rightType.Equals(OperandType.attr))
{
return(OperatorsType.constant2constant);
}
else if (leftType.Equals(OperandType.attr))
{
return(OperatorsType.attr2constant);
}
else if (!leftType.Equals(OperandType.attr))
{
swapTwo(this.leftOpd, this.rightOpd);
return(OperatorsType.attr2constant);
}
else
{
//???????
return(OperatorsType.attr2constant);
}
}
/****
* if type is attr, get the name string
* if type is num, get the int number
* if type is str, get the string without leading and trailing '
*/
public dynamic getOperand()
{
if (type.Equals(OperandType.str))
{
return(content.Replace(",", ""));
}
else if (type.Equals(OperandType.num))
{
return(content);
}
else
{
return(content);
}
}
public override ISemanticType GetSemanticType()
{
OperandType = Operand.GetSemanticType();
if (OperationIsCorrect())
{
return(ReturnType());
}
if (!OperandType.Equals(SimpleType.Undefined))
{
GenerateFind(new NotApplicableOperatorTypes(Token.Operator, Token, OperandType.FullType));
}
return(SimpleType.Undefined);
}
protected override bool OperationIsCorrect() => OperandType.Equals(SimpleType.Boolean);
protected override bool OperationIsCorrect() => OperandType.Equals(SimpleType.Integer) || OperandType.Equals(SimpleType.Real);