RE: Conditional compilation directives: Is AND valid?

[rob@xxxxxxxxx]

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Because the if changes.  Granted the change is small and that might be why
you missed it.

One had:
>       /If not defined(MBRL0200)

and the other had:
>       /If not defined(MBRL0300)

Rob Berendt
--
"They that can give up essential liberty to obtain a little temporary
safety deserve neither liberty nor safety."
Benjamin Franklin




"Bob Cozzi" <cozzi@rpgiv.com>
Sent by: rpg400-l-admin@midrange.com
07/10/2002 03:29 PM
Please respond to rpg400-l


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        Subject:        RE: Conditional compilation directives:  Is AND valid?


Rob,

Why not just embed the /IF into the included member rather than
including it in each member?

Bob

> -----Original Message-----
> From: rpg400-l-admin@midrange.com
> [mailto:rpg400-l-admin@midrange.com] On Behalf Of rob@dekko.com
> Sent: Wednesday, July 10, 2002 2:47 PM
> To: rpg400-l@midrange.com
> Subject: Re: Conditional compilation directives: Is AND valid?
>
>
> This is a multipart message in MIME format.
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> Hans,
>
> We've been using the single level /if not defined(....) for
> API programs. The API's support multiple formats.  Most of
> them are the same with a few fields added on.
>
> Sample is the API QUSLMBR.  It supports the formats:
> MBRL0100, MBRL0200, MBRL0300, MBRL0310, MBRL0320, MBRL0330.
> MBRL0200 has the same layout as MBRL0100 with a few fields
> added.  MBRL0300 has the same format as MBRL0200 with a few
> fields added... So we create multiple members in our QAPISRC file.
>
> Member MBRL0100 looks like:
>       /If not defined(QUSLMBR)
>       /Define QUSLMBR
>       /Include ROUTINES/QAPISRC,QUSLMBR
>
>       /EndIf
>       /Define MBRL0100
>       /If not defined(MBRL0200)
>       * MBRL0100 - QUSLMBR - List Database File Members -
> Basic Information
>      D MBRL0100        DS
>       /EndIf
>      D  MLMbrName                    10a      Member name used
>
> Member MBRL0200 looks like:
>       /If not defined(QUSLMBR)
>       /Define QUSLMBR
>       /Include ROUTINES/QAPISRC,QUSLMBR
>
>       /EndIf
>       /Define MBRL0200
>       /If not defined(MBRL0300)
>       * MBRL0200 - QUSLMBR - List Database File Members - Source info
>      D MBRL0200        DS
>       /EndIf
>       /Include ROUTINES/QAPISRC,MBRL0100
>      D  MLSourceType                 10a      Source type
>      D  MLCreateTS                   13a      Create date & time
>      D  MLSourceTS                   13a      Source change D & T
>      D  MLText                       50a      Member text
>      D  MLCCSID                      10i 0      Member text CCSID
>
> The rub is that I didn't care for the documentation on 0310,
> 0320, 0330 so I wanted 0300 to not put the DS line in there
> if any of those three were described.
>
> Rob Berendt
> --
> "They that can give up essential liberty to obtain a little
> temporary safety deserve neither liberty nor safety."
> Benjamin Franklin
>
>
>
>
> Hans Boldt <boldt@ca.ibm.com>
> Sent by: rpg400-l-admin@midrange.com
> 07/10/2002 12:07 PM
> Please respond to rpg400-l
>
>
>         To:     rpg400-l@midrange.com
>         cc:
>         Fax to:
>         Subject:        Re: Conditional compilation
> directives:  Is AND valid?
>
>
> rob@dekko.com wrote:
> > Can I do the following?  If not, then now do you recommend
> forming the
> if
> > nest?
> >
> >       /If not defined(MBRL0310) AND not defined(MBRL0320) AND not
> > defined(MBRL0330)
> >       * MBRL0300 - QUSLMBR - List Database File Members -
> Source info
> >      D MBRL0300        DS
> >       /EndIf
>
> No, you can't code any operators on a /IF directive.
>
> Also, you might want to rethink what you're doing since I
> suspect you're trying to do something that's not possible in
> RPG IV.  When you code "/IF DEFINED(X)", for the condition to
> be considered true, the name X is a name specified either in
> the DEFINE parameter on the CRTRPGMOD/CRTBNDRPG command or on
> the /DEFINE directive.  It does not refer to any names coded
> otherwise in the RPG program, and cannot be used to condition
> code whether or not a specific variable name is defined.
>
> (Also, you can also code something like "/IF
> DEFINED(*V5R1M0)" to conditionally compile code intended for
> the specified release or later.)
>
> Cheers!  Hans
>
>
>
>
>
>
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