RE: what is a bound program access built in number

I think you're talking about in-line code or rather inline procedures.
I think IBM has that on our wish list for RPG IV, if/when we ever get
overloaded procedures, I would anticipate also getting an INLINE keyword on
procedures too.


Bob Cozzi
Cozzi Consulting
www.rpgiv.com


-----Original Message-----
From: rpg400-l-bounces@xxxxxxxxxxxx [mailto:rpg400-l-bounces@xxxxxxxxxxxx]
On Behalf Of Steve Richter
Sent: Monday, December 15, 2003 9:01 AM
To: RPG programming on the AS400 / iSeries
Subject: RE: what is a bound program access built in number

there are two situations where implementing a proc as a built in is
necessary:

Procs that call qcmdexc to do an override dont work because once the proc
returns, the override scope has ended.

messages sent by procs that wrap qmhsndpm dont reflect the actual proc that
is sending the message.

if procedures like _lbcpynv and ceedod can be implemented as built ins, why
cant user procedures have that same capability?

what is the point of the mi reference giving the built in number if the
programmer cant use that information?

-Steve

-----Original Message-----
From: rpg400-l-bounces@xxxxxxxxxxxx
[mailto:rpg400-l-bounces@xxxxxxxxxxxx]On Behalf Of Steve Richter
Sent: Friday, December 12, 2003 1:07 PM
To: Chat. Rpg400-L
Subject: what is a bound program access built in number


I am looking at the _LBCPYNV api.  it is used to copy one numeric variable
to another in a generic, variable descriptor kind of way.  The call looks
something like this:
   _lbcpynv( %addr(receiver): %addr(ReceiverScalarDescriptor):
             %addr(source): %addr(SourceScalarDescriptor)) ;

I notice on v5r1 that if the prototype does not have the correct signature
the compile of the module bombs the rpg compiler.

which gets me thinking that procs like _LBCPYNV are probably not called like
standard procs are called, that is instead of an full ile invocation stack
call, I would guess the "call" is actually just implemented as inline code.
Similar to how CEEDOD and other such procs are implemented.

I am curious to know if I am correct on that.

also, what is meant by a bound program access built in number?  The built in
number of LBCPYNV is 129. How is that number used?

thanks,

-Steve

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