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  1.  Home
  2. WDSCI-L
  3. April 2016

Re: Conversion to free-form

I've heard that argument before, and I'm not sure I can come up with examples that couldn't be configured. I accept that there are non-simple MOVEs, but not sure that they couldn't be transformed into an eval statement, even MOVES from numeric to string fields or versa-vice.

Maybe I should check the boards before raising this issue. Sorry. Any question as to which list it should be in?

Duane

-----Original Message-----
From: WDSCI-L [mailto:wdsci-l-bounces@xxxxxxxxxxxx] On Behalf Of Vernon Hamberg
Sent: Wednesday, April 13, 2016 9:32 AM
To: Rational Developer for IBM i / Websphere Development Studio Client for System i & iSeries <wdsci-l@xxxxxxxxxxxx>
Subject: Re: [WDSCI-L] Block printing lines in LPEX - Last Change Date included

Hi Duane

As to why the ADD, Z-ADD, MOVE are not converted? For one thing, those do not have a direct equivalent opcode in free-form - no MOVE, for example. It does seem that Z-ADD could easily be changed to an assignment - MOVE operations are so varied in their use and result that changing to assignments is difficult in the extreme.

HTH
Vern

On 4/13/2016 6:47 AM, Duane Scott wrote:
Agreed. Although, I wish more shops would agree to allow more recent coding techniques like removal of the EVAL opcode. Even that would be an improvement.

Speaking of which, does anybody understand why the IBM free form converter cannot convert ADD, Z-ADD, or MOVE? I probably missed the original explanation, or have since then forgot it. (OOPS! Didn't mean to change the thread.)

Duane

-----Original Message-----
From: WDSCI-L [mailto:wdsci-l-bounces@xxxxxxxxxxxx] On Behalf Of Mark Murphy/STAR BASE Consulting Inc.
Sent: Wednesday, April 13, 2016 7:17 AM
To: Rational Developer for IBM i / Websphere Development Studio Client for System i & iSeries <wdsci-l@xxxxxxxxxxxx>
Subject: Re: [WDSCI-L] Block printing lines in LPEX - Last Change Date included

Then use subroutines instead of procedures. There have long been ways to logically segment programs. We haven't "had" to program in a giant monolithic block style since RPG II.

Mark Murphy
STAR BASE Consulting, Inc.
mmurphy@xxxxxxxxxxxxxxx


-----Duane Scott <dscott@xxxxxxxxxxx> wrote: -----
To: "Rational Developer for IBM i / Websphere Development Studio Client for System i & iSeries" <wdsci-l@xxxxxxxxxxxx>
From: Duane Scott <dscott@xxxxxxxxxxx>
Date: 04/12/2016 02:15PM
Subject: Re: [WDSCI-L] Block printing lines in LPEX - Last Change Date included


Not easy to do when procedures are not common practice in the shop you work in.

I agree though, that if it's an option, take advantage of it as much as possible.

Duane


-----Original Message-----
From: WDSCI-L [mailto:wdsci-l-bounces@xxxxxxxxxxxx] On Behalf Of Mark Murphy/STAR BASE Consulting Inc.
Sent: Tuesday, April 12, 2016 2:11 PM
To: Rational Developer for IBM i / Websphere Development Studio Client for System i & iSeries <wdsci-l@xxxxxxxxxxxx>
Subject: Re: [WDSCI-L] Block printing lines in LPEX - Last Change Date included

-----John Yeung <gallium.arsenide@xxxxxxxxx> wrote: -----

...

Which seems nice. But that area in the margin looks pretty small; what
happens when you are in that 100-line, 12-deep control block?

...
Don't do that, break it into sub procedures with appropriate names. Deeply nested code is so much easier to mess up because you have to keep the whole thing in your head all at once.
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