RE: RPG ILE Recursivity RNX8888

rpg400-l-request@xxxxxxxxxxxx wrote:

>   1. RPG ILE Recursivity RNX8888 (Andre Dubreuil)
>
>First I must say that I often search and read these forums. Thank you all
>for your help.
>
>Here's something I would appreciate your help with.
>
>>From what I've been reading... RPG ILE does not support recursivity.
>That is an RPG program calling itself either directly or indirectly.

Andre:

As others noted and you've seen, recursive ~program~ calls can be done. But 
they can also be expensive. Activating a *NEW activation group adds overhead 
that might be too costly. However, recursive ~procedure~ calls can often be a 
better fit.

I put a very trivial example of a procedure calling itself at [ 
http://code.midrange.com/index.php?id=5dae31f5e4 ]. A driver ILE CL proc calls 
a RPGLE proc. The RPG calls itself recursively.

The RPG adds 1 to its input parm value and calls itself until the value reaches 
5. When it's 5, it returns the value back up through the procs until it gets 
back out to the CL. The CL does DMPCLPGM to show that 5 was returned.

The example isn't elegant, but it works.

Tom Liotta