RE: A Smarter Free-Format Converter

What you are not being told explicitly is that numeric operations of old
ignore numeric overflow and wrap around, where are the new form operations
(i.e., EVAL, FOR, etc.) do not.  They will halt a program in numeric
overflow.  I guess IBM thought it prudent not to create code that could
crash when it did not before on what looks identical code.   You can make
op-codes like ADD, SUB, etc. fail with numeric overflow if you desire with a
compile option TRUNCNBR(*NO) will treat all op-codes as the same and
generate overflow errors.  


You might consider buying the RPG IV converter from Linoma
(www.linomasoftware.com).  It has functionality that allows you to force
conversion of DO to FOR, etc.   Our manager almost prevented any of us from
converting to RPG IV because of the numeric overflow issue.  It cause very
important programs to crash when the testing did not bring out the overflow
problem.  Linoma's tool has a feature you can setup conversion defaults
appropriate for you company and use them every conversion.  


Thank you,
Matt Tyler
WinCo Foods, Inc
mattt@xxxxxxxxxxxxxx

-----Original Message-----
From: Bill [mailto:billzbubb@xxxxxxxxxx]
Sent: Wednesday, September 22, 2004 3:18 p
To: WDSCI-L
Subject: [WDSCI-L] A Smarter Free-Format Converter

I have used the Free-Format converter in WDSC 5.1.2 a couple of times now
and am surprised at some of the statements that are not converted:

Add 1 x
Should convert to  x += 1 ;     correct?  But it leaves it as fixed format.

Z-add 1 x
Should convert to    x = 1 ;

Do 5 x
Should convert to   For x = 1 to 5 ;

Am I missing something here?

Bill


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