Re: ANDing and ORing conditional compilation directives

["M. Lazarus" <mlazarus@xxxxxxxx>]

Simon,

 I have run into this limitation, and would very much like IBM to 
add in OR capability to compiler directives.

 Aren't the LOOKUPxx / TLOOKUPxx opcodes far more egregious than the 
TRIMx opcodes, when it comes to implementation?

 -mark

At 7/18/08 06:34 PM, you wrote:

> Has anyone else needed to test multiple conditions using /IF?
>
> The RPG IV documentation does not mention either whether it is
> supported or unsupported but it seems reasonable to want to test
> multiple conditions however there appears to be no syntax to support it.
>
> ANDing conditions is relatively easy although clumsy but ORing
> conditions is a bit harder and certainly messier.
>
> I've tried every combination I could think of just incase this had
> slipped through without documentation but I always get a compiler
> error indicating it's not supported. For example:
>
> /if defined( x or y)
> /endif
>
> /if defined(x) or defined(y)
> /endif
>
> /if defined(x)
> /or defined(y)
> /endif
>
> I do value the efforts the RPG compiler team make but this is another
> area that smacks of "not quite enough effort" or as someone I know
> was always told: "could do better". A bit like the TRIM
> implementation. Why 3 built-in functions? Should have been 1 with a
> parameter for Leading, Trailing, or Both (default).
>
> Is it just me or does no-one else run into these things?
>
> Comments?
>
> Regards,
> Simon Coulter.
> --------------------------------------------------------------------
>     FlyByNight Software         OS/400, i5/OS Technical Specialists
>
>     http://www.flybynight.com.au/
>     Phone: +61 2 6657 8251   Mobile: +61 0411 091 400        /"\
>     Fax:   +61 2 6657 8251                                   \ /
>                                                               X
>                   ASCII Ribbon campaign against HTML E-Mail  / \
> --------------------------------------------------------------------
>
>
>
> --
> This is the RPG programming on the AS400 / iSeries (RPG400-L) mailing list
> To post a message email: RPG400-L@xxxxxxxxxxxx
> To subscribe, unsubscribe, or change list options,
> visit: http://lists.midrange.com/mailman/listinfo/rpg400-l
> or email: RPG400-L-request@xxxxxxxxxxxx
> Before posting, please take a moment to review the archives
> at http://archive.midrange.com/rpg400-l.