RE: Any changes to the RPG compiler lately ? -- RPG400-L

Jon,
sure?!

IMHO %LEN and %SIZE can only be used against TEMPLATE fields for defining constant values.
But in either way: Something that can is only used at compile time and is not included in the program, cannot be used at runtime! Or am I wrong?

Documentation for the TEMPLATE keyword from the current RPG Reference:
The TEMPLATE keyword indicates that this file definition is to be used only at compile time.
Files defined with the TEMPLATE keyword are not included in the program.
The template file can only be used as a basis for defining other files later in the program using the LIKEFILE keyword.

Mit freundlichen Grüßen / Best regards

Birgitta Hauser

"Shoot for the moon, even if you miss, you'll land among the stars." (Les Brown)
"If you think education is expensive, try ignorance." (Derek Bok)
"What is worse than training your staff and losing them? Not training them and keeping them!"
„Train people well enough so they can leave, treat them well enough so they don't want to.“ (Richard Branson)

-----Original Message-----
From: RPG400-L <rpg400-l-bounces@xxxxxxxxxxxxxxxxxx> On Behalf Of Jon Paris
Sent: Samstag, 23. Mai 2020 15:40
To: RPG programming on IBM i <rpg400-l@xxxxxxxxxxxxxxxxxx>
Subject: Re: Any changes to the RPG compiler lately ?

Both %len and %Size should be able to be used against template fields. %Len should be blocked on varchar but otherwise they are supposed to work.

On May 23, 2020, at 6:01 AM, Birgitta Hauser <Hauser@xxxxxxxxxxxxxxx> wrote:

Hi Francois,

These are 2 different statements:
d SYDDSREF E DS Based(Null)
DCL-DS SYDDSREF Ext Template END-DS;

The equivalent for
d SYDDSREF E DS Based(Null)
is
DCL-DS SYSDSREF Ext Based(NULL) End-DS;

A template can only be used for defining other data-structures or
variables, but the reference fields cannot be accessed at runtime.
When defining a data structure based on a pointer the data structure
sub-fields and the data structure can be used at runtime

Mit freundlichen Grüßen / Best regards

Birgitta Hauser

"Shoot for the moon, even if you miss, you'll land among the stars."
(Les
Brown)
"If you think education is expensive, try ignorance." (Derek Bok)
"What is worse than training your staff and losing them? Not training
them and keeping them!"
„Train people well enough so they can leave, treat them well enough so
they don't want to.“ (Richard Branson)

-----Original Message-----
From: RPG400-L <rpg400-l-bounces@xxxxxxxxxxxxxxxxxx> On Behalf Of
Francois Lavoie
Sent: Freitag, 22. Mai 2020 22:16
To: RPG programming on IBM i <rpg400-l@xxxxxxxxxxxxxxxxxx>
Subject: Any changes to the RPG compiler lately ?

Hi there,

I had to recompile a module from a service program and the compiler
issued
RNF0655:
"Item MSGID was defined with TEMPLATE and cannot be used in this context."

The code compiled before and would appreciate any idea why it's not
compiling anymore Was there a PTF in the latest CUME that changed the
way referencing a field in a Template DS ?

Here's the code
// DDS Reference Fields Definitions (MSGID defined as a 7A) DCL-DS
SYDDSREF Ext Template END-DS; ...
// @MsgID is a parm that I compare with the length of the defined
reference field MsgID If %Len(@MsgID)>%Len(MsgID);

If I define SYDDSREF the old fashion way, it compiles fine.
And, again the definition with Template above was working before then
did not for unknow reason
d SYDDSREF E DS Based(Null)

Thanks

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