Re: how to handle handlers *update

Crispin

The issue comes from a desire to use the completely native solution - from the same source code. A program using a handler simple cannot use the native IO - it shunts everything to the handler for each op-code.

I can certainly see where, with WORKSTN or PRINTER files, that you might want to print locally or to Excel, show a green screen or a browser - those things are not easily conditional, if at all, at runtime. You COULD write something using display APIs, perhaps, but this technology is supposed to make things easier - not add to your workload.

I like Tom's solution - and, as he says, it doesn't seem to raise any editor syntax errors.

Vern

On 3/15/2011 10:38 AM, Crispin Bates wrote:

Rory,

RPG OA uses the existing code, and just passes info to the handler as
parameters. No changes required to the rest of the source, so I can't see
why any additional conditioning would be required...

----- Original Message -----
From: "Rory Hewitt"<rory.hewitt@xxxxxxxxx>
To: "RPG programming on the IBM i / System i"<rpg400-l@xxxxxxxxxxxx>
Sent: Tuesday, March 15, 2011 11:00 AM
Subject: Re: how to handle handlers *update


Nice solution, Tom. Do you also need to use this method anywhere else (when
specifying record format names for Write, Read etc.)?
On Mar 15, 2011 5:19 AM, "Tom Deskevich"<thomas.l.deskevich@xxxxxxxxxxxxx>
wrote:

I came up with this getting ready for work. It is true that the bathroom

is the thinking room.

This example that I created does NOT raise a syntax error since you use a

/COPY with the HANDLER.

FCEN106D CF E WORKSTN
/copy cenhnd

(will not raise the syntax error, because SEU does not know I am using a

handler)

Source member CENHND

/if defined(USE_HANDLER)
F Handler('ASNAWINGS')
/endif

(get the syntax error here, but you only touch this once)


We are keeping two object libraries, one for the handler RPG objects and

one NOT.

The 5250 programmers compile like they normally do, and DO NOT get the

syntax error when they go into the source.

We compile with CRTBNDRPG define(‘use_handler’)
If we accidently compile it to the wrong place, they just need to

re-compile without the parm to make it work.

Tom Deskevich
INFOCON
814-472-6066
Fax 814-472-5019
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