Re: More on global declarations in RPG IV

[Vern Hamberg <vhamberg@xxxxxxxxxxx>]

Good point, Nathan - my intent was to speak of a code unit. But the 
word, "global", is used in the RPG documentation, therefore, I'll stay 
with it for the purpose of this discussion - so long as it is understood 
as I just stated.

Vern

On 11/11/2010 10:21 AM, Nathan Andelin wrote:
> I'll throw out a suggestion just for terminology sake.  I prefer to call
> module-level declarations, "module-level declarations", as opposed to
> "procedure-level declarations", and rather than "global declarations".  To me a
> global declaration would be something that might be shared across an entire
> activation group, which might include any number of programs and service
> programs in a call stack.  Say you export a data structure from a service
> program, for example, which is intended to be shared across an entire activation
> group.  That's a lot more global than "module-level" declarations.
>
> -Nathan.
>
>
>
> ----- Original Message ----
> From: Vern Hamberg<vhamberg@xxxxxxxxxxx>
> To: RPG programming on the IBM i / System i<rpg400-l@xxxxxxxxxxxx>
> Sent: Thu, November 11, 2010 8:46:08 AM
> Subject: More on global declarations in RPG IV
>
> In a recent thread, there was some question about global variables,
> etc., when using the MAIN control keyword. I had mentioned that some
> things still must be global. I believe that one of them is compile-time
> arrays. If you want to find all the messages that deal with "global",
> here's a way to do that -
>
> Execute the following command -
>
> DSPMSGD RANGE(*ALL) MSGF(QDEVTOOLS/QRPGLEMSG) DETAIL(*FULL) OUTPUT(*PRINT)
>
> Then you can search for 'lobal' in the spooled file - this covers
> possible upper- or lower-case "G" in the word "global"
>
> So have fun. And I did find, in the RPG ILE Reference, this note about
> CTDATA, footnote 2
>
> This keyword applies only to global definitions.
>
> Random musings while on vacation! I know, I'm rubbing it in!
> Vern