public override string ToString()
{
if (ArithmeticExpression != null)
{
return(ArithmeticExpression.ToString());
}
if (Variable != null)
{
return(Variable.ToString());
}
if (NullPointerValue != null)
{
return(NullPointerValue.ToString());
}
return(SelfObjectIdentifier.ToString());
}
public override string ToString()
{
if (IntegerVariableOrIndex != null)
{
return(IntegerVariableOrIndex.ToString());
}
if (NullPointerValue != null)
{
return(NullPointerValue.ToString());
}
if (ProgramNameOrProgramEntryVariable != null)
{
return(ProgramNameOrProgramEntryVariable.ToString());
}
if (SelfObjectIdentifier != null)
{
return(SelfObjectIdentifier.ToString());
}
return(string.Empty);
}