Re: Convert RPG DS to COBOL?

Simple answer - No because COBOL has no notion of prototyping.

More complicated answer. The example you gave includes a varchar which
COBOL does not natively support.

This is a quick and dirty translate.

Please contact me off line - I have other stuff that can help you but
can't offer it publicly.


Process Options NOMONOPRC NOSTDTRUNC
Identification Division.
Program-Id. PLAY.
Data Division.
Working-Storage Section.

01 CallData.
05 Parm1 pic 9(9) Binary.
05 Parm2.
10 Parm2Len pic 9(4) Binary.
10 Parm2Data pic X(21). .
05 Parm3 pic x.
05 Parm4 pic x(256).

05 ReturnValue pic 9(9) Binary.

Procedure Division.
Main.

move "Whatever" to Parm2Data.

move function Length ( function trimr (Parm2Data) )
to Parm2Len.

* Using all 4 parms

Call linkage procedure "function_call"
Using Parm1, Parm2, Parm3, Parm4
Returning ReturnValue.

* Using 3 parms
Call linkage procedure "function_call"
Using Parm1, Parm2, Parm3
Returning ReturnValue.

Stop Run.



Jon Paris

On Aug 11, 2020, at 9:36 AM, Brad Stone <bvstone@xxxxxxxxx> wrote:

Ok, I think I'm taking another path. What I'd like to do is call ILE
subprocedures written in RPG from COBOL. The COBOL system is V7R1 (not

my

choice.. it's a client).

So I guess now I need to know if it's possible to convert prototype
definitions from RPG to COBOL. As an example:

dcl-pr function_call int(10);
parm1 int(10);
parm2 varchar(65535);
parm3 char(1);
parm4 char(256) Options(*NOPASS);
end-pr;


Then of course I need to find some COBOL source to check out.. .like a
shell program that defines a few variables and calls a function.


Bradley V. Stone
www.bvstools.com
MAILTOOL Benefit #15 <https://www.bvstools.com/mailtool.html>: The

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to add a Footer to each email sent using an IFS stream file.

On Mon, Aug 10, 2020 at 12:22 PM Barbara Morris <bmorris@xxxxxxxxxx>

wrote:

On 2020-08-09 2:05 p.m., Brad Stone wrote:

This may seem like an odd question, but are there any materials that

show

how you can convert a data structure and field definitions from RPG to
COBOL for the IBM i?
...

The ILE COBOL Programmer's Guide has some mappings betweem COBOL and
fixed-form RPG definitions.

https://www.ibm.com/support/knowledgecenter/ssw_ibm_i_74/rzase/cblcalrpgtyp.htm

--
Barbara

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