[Gambas-user] How to realize AND, OR etc.

[Rolf-Werner Eilert]

Am 02.09.2010 11:20, schrieb Werner:
> On 02/09/10 16:39, Rolf-Werner Eilert wrote:
>> This is just a general question about programming, it doesn't refer to
>> Gambas specifically, but I would implement the results in Gambas.
>>
>> For some of my bigger projects I have had to implement IF and ELSE and
>> similar functions. I tried to manage AND, OR etc. too, but I failed.
>> Somehow I didn't find a proper way of implementing this logic. So up to
>> now I have filled this gap by simply putting several IF ELSE IF ELSE and
>> so on within each other. Of course this is somewhat tricky sometimes :-)
>>
>> Could someone here explain me how an AND and an OR can be implemented?
>> Are there general rules? I do not need the parser, it is there. I just
>> ask about the logic behind AND and OR for instance.
>>
>> Here are my thoughts so far:
>>
>> - Parser puts IF-clauses into array and logic (AND/OR) in between or
>> into separate list
>>
>> - IF-clauses are solved and results are stored e. g. in a boolean array
>>
>> - The ANDs and ORs from the list are processed with the boolean array
>> into a final result
>>
>> This does not, however, include looking for bracketed clauses... Oh my
>> goodness :-)
>>
>> Thanks for your help...
>>
>> Regards
>>
>> Rolf
>>
> No sweat, it's just Ones and Zeroes...   :-D
>
> It is not very clear (to me) what you actually want to achieve.
> You might want to take a closer look at the SELECT statement. It takes a
> lot of clutter out of code.
>
> Regards
> Werner

SELECT is just another view to IF (a somewhat limited version) I'd say.

No, my question was: How can I implement such a logic in my own program?

Regards

Rolf