Re: Prototype definition enforcement

[john erps <jacobus.erps@xxxxxxxxx>]

+1
I voted for it

On Thu, Aug 23, 2018 at 7:38 AM Thomas Raddatz <thomas.raddatz@xxxxxx>
wrote:

> Doug,
>
> Did the problem arise for an exported procedure called by another module?
> I created RFE 117030 to address that problem.
>
>
> https://www.ibm.com/developerworks/rfe/execute?use_case=viewRfe&CR_ID=117030
>
> Briefly described the problem is that the compiler does not enforce a
> prototype for exported procedures. That can lead to a situation where the
> procedure interface does not match the prototype (stored in a /copy member)
> and where a caller, that relies on the prototype, passes the wrong
> parameters to the procedure.
>
> It is really nice that we no longer have to include the prototype for
> private procedures. But for exported procedures (Keyword: "export") the
> compiler MUST enforce the presence of a prototype.
>
> Just my 2 cents.
>
> Thomas.
>
> -----Ursprüngliche Nachricht-----
> Von: RPG400-L [mailto:rpg400-l-bounces@xxxxxxxxxxxx] Im Auftrag von Doug
> Englander
> Gesendet: Mittwoch, 22. August 2018 19:37
> An: rpg400-l@xxxxxxxxxxxx
> Betreff: Prototype definition enforcement
>
>
> Does anyone know if there is a way to have the compiler enforce [DCL-PR]
> prototype definitions against its associated DCL-PI definition? Earlier
> versions of RPG [i.e. maybe before V7R1] the compiler would give a message
> when the DCL-PR specs for a subprocedure in a module did not agree with the
> corresponding DCL-PI specs. Now that the compiler rules have been relaxed,
> it is now easier to have the DCL-PI and corresponding DCL-PR specs to
> become out of sync. For example, I have a DCL-PI in a module that does not
> accept parameters and just returns a value. I have changed the DCL-PR specs
> that are in a copybook, and they are pulled in, but they have defined
> parameter values being passed in. The compiler does not give any message
> about this. Does anyone know if there is a way to get the compiler to
> enforce the definitions like it used to do?
>
> Thank you,
>
> Doug
>
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