RE: DOW vs DOU

[cmassoglia@xxxxxxxxxxx (Charlie Massoglia)]

Rick Baird wrote:
>

>Since were on the subject, I would like some opinions on a coding
>technique that I've been using for several years now.  I use the LEAVE
>and ITER opcodes extensively as a sortof GOTO replacement (ooh, maybe
>
>...(cut)...
>
>Sort of GOTO?  ITER and LEAVE are *exactly* GOTO's, crutches for folks   
>who don't *get* structured programming.  Stop using them!  Learn how to   
>write structured programs!  Take a class!
>
>Well, sorry, but that's my opinion.  Now that I've got that off my chest,   
>here's an approach that avoids GOTO, ITER and LEAVE:
>
>C       F1EDIT     BEGSR
>
>C                  MOVE  *OFF      $ERROR
>
>C                  IF (some error condition)
>C                  MOVE  *ON       $ERROR
>C                  ENDIF
>
>C       $ERROR     IFEQ  *OFF
>C                  IF (some error condition)
>C                  MOVE  *ON       $ERROR
>C                  ENDIF
>C                  ENDIF
>
>
>C       $ERROR     IFEQ  *OFF
>C                  IF (some error condition)
>C                  MOVE  *ON       $ERROR
>C                  ENDIF
>C                  ENDIF
>
>etc....
>
>C                  ENDSR
>
I have a real problem retesting the field $ERROR once for each test.  To be
honest though, when I try to look at this intellectually and not
emotionally, I am not exactly sure why I don't like it.


Charlie Massoglia, Massoglia Technical Consulting, Inc.
PO Box 1065, Okemos, MI 48854, USA
517-676-9700  Fax: 517-676-1006  EMAIL: cmassoglia@voyager.net


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