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Groups > comp.sys.raspberry-pi > #25665

Re: AI and decompilation?

From Martin Gregorie <martin@mydomain.invalid>
Newsgroups alt.folklore.computers, comp.sys.raspberry-pi
Subject Re: AI and decompilation?
Date 2021-01-09 15:37 +0000
Organization A noiseless patient Spider
Message-ID <rtcijc$563$3@dont-email.me> (permalink)
References (5 earlier) <555950032.631567792.766124.peter_flass-yahoo.com@news.eternal-september.org> <rt2p4e$r81$2@dont-email.me> <rt2vd71214r@news3.newsguy.com> <rt3s5t$t3t$1@dont-email.me> <p46ivfdjq3rd6c14de1f6plhb28787vhi7@4ax.com>

Cross-posted to 2 groups.

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On Fri, 08 Jan 2021 21:52:39 -0500, Dennis Lee Bieber wrote:

> On Wed, 6 Jan 2021 08:25:33 -0000 (UTC), Martin Gregorie
> <martin@mydomain.invalid> declaimed the following:
> 
> 
> 
>>COBOL is another language that historically tended to support only the
>>latest syntax, which is a pain since source files can be huge. I've
>>worked on COBOL program modules that ran to over 5000 lines back in the
>>day, i.e before 1978, when COBOL didn't yet support writing separately
>>compiled subroutines (no LINKAGE SECTION), though AFAIK COBOL has always
>>supported calling subroutines written in other languages).
> 
> 	LINKAGE SECTION was part of the COBOL-74 standard, and I recall it
> existed on the Xerox Sigma-6 COBOL that was used at my college when I
> attended (76-80). Our assignments may not have used it -- or we only had
> a short intro to the concept.
> 
> 	However, I'm fairly certain my college compiler did not support 
"copy
> books"... And since that time-frame meant 24x80 text terminals, and line
> mode text editors, one would have to manually duplicate the section from
> a listing... Or write the program on the IBM 029 card punch -- feeding
> the linkage section into it in duplicate mode, then inserting the copy
> into the second file...

Compiler features do vary: I don't recall seeing LINKAGE section in any 
version of the ICL 1900 COBOL compilers, which I was using 1968-1977. If 
LINKAGE sections had been available I'm sure I would have used them and 
coded subroutines in COBOL, but though our COBOL code regularly called 
subroutines, these were all written in PLAN (assembler). From 1978 onward 
I was programming ICL 2900s: 2900 COBOL implemented LINKAGE sections and 
we made extensive use of them to split large COBOL programs into modules. 

After 1984 I wrote very little COBOL, and that was for DEC and MicroFocus  
compilers. None of these projects used COBOL subroutines: the DEC RDB 
interface module was language agnostic and so LINKAGE sections weren't 
needed. The MicroFocus COBOL projects called C functions.
  
COPY books were fairly common on ICL 1900 projects. 

The ICL 2900 world used COPY books too, though it implemented them as 
calls to the Advanced Data Dictionary) rather than as traditional copy 
libraries, and handled the IDMSX database interactions via a preprocessor 
that converted pseudo-COBOL statements COBOL programs into COBOL 
subroutine calls. The IDMSX schema processor converted schema definitions 
into the COBOL subroutines called by application programs. All quite 
neat, easy to use, and worked very well.
  


-- 
--  
Martin    | martin at
Gregorie  | gregorie dot org

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Thread

AI and decompilation? gareth evans <headstone255@yahoo.com> - 2021-01-04 11:00 +0000
  Re: AI and decompilation? Ahem A Rivet's Shot <steveo@eircom.net> - 2021-01-04 11:42 +0000
  Re: AI and decompilation? Pancho <Pancho.Dontmaileme@outlook.com> - 2021-01-04 13:08 +0000
    Re: AI and decompilation? gareth evans <headstone255@yahoo.com> - 2021-01-04 17:51 +0000
      Re: AI and decompilation? Pancho <Pancho.Dontmaileme@outlook.com> - 2021-01-04 21:57 +0000
        Re: AI and decompilation? gareth evans <headstone255@yahoo.com> - 2021-01-04 22:23 +0000
          Re: AI and decompilation? Martin Gregorie <martin@mydomain.invalid> - 2021-01-04 23:09 +0000
        Re: AI and decompilation? Dan Espen <dan1espen@gmail.com> - 2021-01-04 17:50 -0500
          Re: AI and decompilation? Pancho <Pancho.Dontmaileme@outlook.com> - 2021-01-04 23:00 +0000
            Re: AI and decompilation? Peter Flass <peter_flass@yahoo.com> - 2021-01-04 16:59 -0700
            Re: AI and decompilation? J. Clarke <jclarke.873638@gmail.com> - 2021-01-04 20:42 -0500
              Re: AI and decompilation? Dan Espen <dan1espen@gmail.com> - 2021-01-04 20:59 -0500
            Re: AI and decompilation? Dan Espen <dan1espen@gmail.com> - 2021-01-04 20:55 -0500
              Re: AI and decompilation? Pancho <Pancho.Dontmaileme@outlook.com> - 2021-01-05 10:38 +0000
                Re: AI and decompilation? Bob Eager <news0073@eager.cx> - 2021-01-05 12:46 +0000
                Re: AI and decompilation? Pancho <Pancho.Dontmaileme@outlook.com> - 2021-01-05 13:43 +0000
                Re: AI and decompilation? Bob Eager <news0073@eager.cx> - 2021-01-05 14:23 +0000
                Re: AI and decompilation? gareth evans <headstone255@yahoo.com> - 2021-01-05 15:22 +0000
                Re: AI and decompilation? Dan Espen <dan1espen@gmail.com> - 2021-01-05 09:05 -0500
            Re: AI and decompilation? The Natural Philosopher <tnp@invalid.invalid> - 2021-01-05 10:51 +0000
              Re: AI and decompilation? Martin Gregorie <martin@mydomain.invalid> - 2021-01-05 11:52 +0000
              Re: AI and decompilation? gareth evans <headstone255@yahoo.com> - 2021-01-05 12:06 +0000
              Re: AI and decompilation? Charlie Gibbs <cgibbs@kltpzyxm.invalid> - 2021-01-05 20:12 +0000
          Re: AI and decompilation? gareth evans <headstone255@yahoo.com> - 2021-01-05 11:45 +0000
            Re: AI and decompilation? Peter Flass <peter_flass@yahoo.com> - 2021-01-05 14:25 -0700
        Re: AI and decompilation? J. Clarke <jclarke.873638@gmail.com> - 2021-01-04 20:38 -0500
          Re: AI and decompilation? gareth evans <headstone255@yahoo.com> - 2021-01-05 11:54 +0000
          Re: AI and decompilation? Peter Flass <peter_flass@yahoo.com> - 2021-01-05 14:06 -0700
            Re: AI and decompilation? gareth evans <headstone255@yahoo.com> - 2021-01-05 22:52 +0000
        Re: AI and decompilation? The Natural Philosopher <tnp@invalid.invalid> - 2021-01-05 10:29 +0000
  Re: AI and decompilation? Dennis Lee Bieber <wlfraed@ix.netcom.com> - 2021-01-04 11:05 -0500
    Re: AI and decompilation? Martin Gregorie <martin@mydomain.invalid> - 2021-01-04 17:07 +0000
      Re: AI and decompilation? scott@slp53.sl.home (Scott Lurndal) - 2021-01-04 17:52 +0000
        Re: AI and decompilation? The Natural Philosopher <tnp@invalid.invalid> - 2021-01-05 10:28 +0000
          Re: AI and decompilation? Thomas Koenig <tkoenig@netcologne.de> - 2021-01-05 13:06 +0000
            Re: AI and decompilation? The Natural Philosopher <tnp@invalid.invalid> - 2021-01-05 13:41 +0000
            Re: AI and decompilation? gareth evans <headstone255@yahoo.com> - 2021-01-05 15:30 +0000
              Re: AI and decompilation? Martin Gregorie <martin@mydomain.invalid> - 2021-01-05 16:42 +0000
                Re: AI and decompilation? Charlie Gibbs <cgibbs@kltpzyxm.invalid> - 2021-01-05 20:12 +0000
                Re: AI and decompilation? gareth evans <headstone255@yahoo.com> - 2021-01-05 20:20 +0000
                Re: AI and decompilation? Martin Gregorie <martin@mydomain.invalid> - 2021-01-05 22:23 +0000
                Re: AI and decompilation? Charlie Gibbs <cgibbs@kltpzyxm.invalid> - 2021-01-06 00:14 +0000
                Re: AI and decompilation? Eli the Bearded <*@eli.users.panix.com> - 2021-01-06 02:17 +0000
                Re: AI and decompilation? Björn Lundin <b.f.lundin@gmail.com> - 2021-01-08 14:39 +0100
                Re: AI and decompilation? The Natural Philosopher <tnp@invalid.invalid> - 2021-01-08 15:07 +0000
                Re: AI and decompilation? Martin Gregorie <martin@mydomain.invalid> - 2021-01-08 15:56 +0000
                Re: AI and decompilation? Ahem A Rivet's Shot <steveo@eircom.net> - 2021-01-08 15:35 +0000
                Re: AI and decompilation? Eli the Bearded <*@eli.users.panix.com> - 2021-01-08 20:02 +0000
                Re: AI and decompilation? Björn Lundin <b.f.lundin@gmail.com> - 2021-01-10 15:12 +0100
                Re: AI and decompilation? The Natural Philosopher <tnp@invalid.invalid> - 2021-01-06 09:36 +0000
                Re: AI and decompilation? Martin Gregorie <martin@mydomain.invalid> - 2021-01-06 10:43 +0000
                Re: AI and decompilation? The Natural Philosopher <tnp@invalid.invalid> - 2021-01-06 18:09 +0000
                Re: AI and decompilation? Martin Gregorie <martin@mydomain.invalid> - 2021-01-06 18:29 +0000
                Re: AI and decompilation? The Natural Philosopher <tnp@invalid.invalid> - 2021-01-06 18:37 +0000
                Re: AI and decompilation? Martin Gregorie <martin@mydomain.invalid> - 2021-01-06 21:03 +0000
                Re: AI and decompilation? Björn Lundin <b.f.lundin@gmail.com> - 2021-01-08 14:45 +0100
                Re: AI and decompilation? Charlie Gibbs <cgibbs@kltpzyxm.invalid> - 2021-01-08 18:06 +0000
                Re: AI and decompilation? Ahem A Rivet's Shot <steveo@eircom.net> - 2021-01-08 18:44 +0000
                Re: AI and decompilation? A. Dumas <alexandre@dumas.fr.invalid> - 2021-01-09 03:02 +0000
                Re: AI and decompilation? A. Dumas <alexandre@dumas.fr.invalid> - 2021-01-09 02:58 +0000
                Re: AI and decompilation? Andy Burns <usenet@andyburns.uk> - 2021-01-06 18:35 +0000
                Re: AI and decompilation? The Natural Philosopher <tnp@invalid.invalid> - 2021-01-06 18:39 +0000
                Re: AI and decompilation? Pancho <Pancho.Dontmaileme@outlook.com> - 2021-01-06 19:03 +0000
                Re: AI and decompilation? The Natural Philosopher <tnp@invalid.invalid> - 2021-01-06 19:08 +0000
                Re: AI and decompilation? Pancho <Pancho.Dontmaileme@outlook.com> - 2021-01-06 19:19 +0000
                Re: AI and decompilation? The Natural Philosopher <tnp@invalid.invalid> - 2021-01-07 04:07 +0000
                Re: AI and decompilation? Martin Gregorie <martin@mydomain.invalid> - 2021-01-07 12:59 +0000
                Re: AI and decompilation? Dennis Lee Bieber <wlfraed@ix.netcom.com> - 2021-01-08 21:41 -0500
                Re: AI and decompilation? Pancho <Pancho.Dontmaileme@outlook.com> - 2021-01-09 12:25 +0000
                Re: AI and decompilation? The Natural Philosopher <tnp@invalid.invalid> - 2021-01-09 12:46 +0000
                Re: AI and decompilation? Martin Gregorie <martin@mydomain.invalid> - 2021-01-09 15:49 +0000
                Re: AI and decompilation? The Natural Philosopher <tnp@invalid.invalid> - 2021-01-09 18:33 +0000
                Re: AI and decompilation? Martin Gregorie <martin@mydomain.invalid> - 2021-01-09 19:20 +0000
                Re: AI and decompilation? Ahem A Rivet's Shot <steveo@eircom.net> - 2021-01-09 21:05 +0000
                Re: AI and decompilation? Martin Gregorie <martin@mydomain.invalid> - 2021-01-09 23:19 +0000
                Re: AI and decompilation? The Natural Philosopher <tnp@invalid.invalid> - 2021-01-10 12:17 +0000
                Re: AI and decompilation? Dennis Lee Bieber <wlfraed@ix.netcom.com> - 2021-01-09 16:54 -0500
                Re: AI and decompilation? Martin Gregorie <martin@mydomain.invalid> - 2021-01-09 23:48 +0000
                Re: AI and decompilation? A. Dumas <alexandre@dumas.fr.invalid> - 2021-01-10 02:00 +0000
                Re: AI and decompilation? druck <news@druck.org.uk> - 2021-01-09 18:36 +0000
                Re: AI and decompilation? Martin Gregorie <martin@mydomain.invalid> - 2021-01-09 19:28 +0000
                Re: AI and decompilation? The Natural Philosopher <tnp@invalid.invalid> - 2021-01-10 12:15 +0000
                Re: AI and decompilation? Ahem A Rivet's Shot <steveo@eircom.net> - 2021-01-10 12:33 +0000
                Re: AI and decompilation? Andy Burns <usenet@andyburns.uk> - 2021-01-10 13:18 +0000
                Re: AI and decompilation? The Natural Philosopher <tnp@invalid.invalid> - 2021-01-10 14:01 +0000
                Re: AI and decompilation? TimS <timstreater@greenbee.net> - 2021-01-10 15:14 +0000
                Re: AI and decompilation? The Natural Philosopher <tnp@invalid.invalid> - 2021-01-10 13:59 +0000
                Re: AI and decompilation? Ahem A Rivet's Shot <steveo@eircom.net> - 2021-01-10 14:46 +0000
                Re: AI and decompilation? The Natural Philosopher <tnp@invalid.invalid> - 2021-01-10 15:34 +0000
                Re: AI and decompilation? Andy Burns <usenet@andyburns.uk> - 2021-01-10 15:05 +0000
                Re: AI and decompilation? Axel Berger <Spam@Berger-Odenthal.De> - 2021-01-10 17:28 +0100
                Re: AI and decompilation? Andy Burns <usenet@andyburns.uk> - 2021-01-11 17:25 +0000
                Re: AI and decompilation? TimS <timstreater@greenbee.net> - 2021-01-10 15:13 +0000
                Re: AI and decompilation? Andy Burns <usenet@andyburns.uk> - 2021-01-10 15:35 +0000
                Re: AI and decompilation? Ahem A Rivet's Shot <steveo@eircom.net> - 2021-01-10 15:35 +0000
                Re: AI and decompilation? TimS <timstreater@greenbee.net> - 2021-01-10 17:23 +0000
                Re: AI and decompilation? Ahem A Rivet's Shot <steveo@eircom.net> - 2021-01-10 18:17 +0000
                Re: AI and decompilation? The Natural Philosopher <tnp@invalid.invalid> - 2021-01-11 03:44 +0000
                Re: AI and decompilation? TimS <timstreater@greenbee.net> - 2021-01-11 11:00 +0000
                Re: AI and decompilation? The Natural Philosopher <tnp@invalid.invalid> - 2021-01-11 03:36 +0000
                Re: AI and decompilation? Andy Burns <usenet@andyburns.uk> - 2021-01-06 21:34 +0000
                Re: AI and decompilation? druck <news@druck.org.uk> - 2021-01-06 18:37 +0000
                Re: AI and decompilation? Dennis Lee Bieber <wlfraed@ix.netcom.com> - 2021-01-08 21:09 -0500
                Re: AI and decompilation? The Natural Philosopher <tnp@invalid.invalid> - 2021-01-06 09:32 +0000
                Re: AI and decompilation? Björn Lundin <b.f.lundin@gmail.com> - 2021-01-08 14:56 +0100
            Re: AI and decompilation? Peter Flass <peter_flass@yahoo.com> - 2021-01-05 14:25 -0700
            Re: AI and decompilation? Tauno Voipio <tauno.voipio@notused.fi.invalid> - 2021-01-06 14:17 +0200
              Re: AI and decompilation? Ahem A Rivet's Shot <steveo@eircom.net> - 2021-01-06 12:42 +0000
                Re: AI and decompilation? Tauno Voipio <tauno.voipio@notused.fi.invalid> - 2021-01-06 16:42 +0200
                Re: AI and decompilation? "Kerr-Mudd,John" <notsaying@127.0.0.1> - 2021-01-08 09:48 +0000
                Re: AI and decompilation? Ahem A Rivet's Shot <steveo@eircom.net> - 2021-01-08 10:27 +0000
              Re: AI and decompilation? usenet@only.tnx (Questor) - 2021-01-08 21:40 +0000
          Re: AI and decompilation? Peter Flass <peter_flass@yahoo.com> - 2021-01-05 14:06 -0700
            Re: AI and decompilation? Martin Gregorie <martin@mydomain.invalid> - 2021-01-05 22:27 +0000
              Re: AI and decompilation? Charlie Gibbs <cgibbs@kltpzyxm.invalid> - 2021-01-06 00:14 +0000
                Re: AI and decompilation? Martin Gregorie <martin@mydomain.invalid> - 2021-01-06 08:25 +0000
                Re: AI and decompilation? Dennis Lee Bieber <wlfraed@ix.netcom.com> - 2021-01-08 21:52 -0500
                Re: AI and decompilation? Martin Gregorie <martin@mydomain.invalid> - 2021-01-09 15:37 +0000
                Re: AI and decompilation? Peter Flass <peter_flass@yahoo.com> - 2021-01-10 06:40 -0700
              Re: AI and decompilation? scott@slp53.sl.home (Scott Lurndal) - 2021-01-06 15:15 +0000
                Re: AI and decompilation? Martin Gregorie <martin@mydomain.invalid> - 2021-01-06 16:09 +0000
                Re: AI and decompilation? scott@slp53.sl.home (Scott Lurndal) - 2021-01-06 17:07 +0000
                Re: AI and decompilation? Martin Gregorie <martin@mydomain.invalid> - 2021-01-06 17:38 +0000
          Re: AI and decompilation? druck <news@druck.org.uk> - 2021-01-05 21:20 +0000
    Re: AI and decompilation? gareth evans <headstone255@yahoo.com> - 2021-01-04 17:47 +0000
    Re: AI and decompilation? Dan Espen <dan1espen@gmail.com> - 2021-01-04 14:18 -0500
      Re: AI and decompilation? Peter Flass <peter_flass@yahoo.com> - 2021-01-04 16:54 -0700
    Re: AI and decompilation? Theo <theom+news@chiark.greenend.org.uk> - 2021-01-04 23:01 +0000
  Re: AI and decompilation? Eli the Bearded <*@eli.users.panix.com> - 2021-01-04 20:11 +0000
  Re: AI and decompilation? Richard Kettlewell <invalid@invalid.invalid> - 2021-01-05 09:07 +0000
    Re: AI and decompilation? Ahem A Rivet's Shot <steveo@eircom.net> - 2021-01-05 09:47 +0000
      Re: AI and decompilation? Richard Kettlewell <invalid@invalid.invalid> - 2021-01-05 11:13 +0000
        Re: AI and decompilation? gareth evans <headstone255@yahoo.com> - 2021-01-05 12:12 +0000
          Re: AI and decompilation? Richard Kettlewell <invalid@invalid.invalid> - 2021-01-05 13:39 +0000
            Re: AI and decompilation? gareth evans <headstone255@yahoo.com> - 2021-01-05 15:32 +0000
              Re: AI and decompilation? gareth evans <headstone255@yahoo.com> - 2021-01-05 15:40 +0000
          Re: AI and decompilation? scott@slp53.sl.home (Scott Lurndal) - 2021-01-05 16:02 +0000
        Re: AI and decompilation? Ahem A Rivet's Shot <steveo@eircom.net> - 2021-01-05 18:27 +0000
        Re: AI and decompilation? Vir Campestris <vir.campestris@invalid.invalid> - 2021-01-05 21:15 +0000
          Re: AI and decompilation? gareth evans <headstone255@yahoo.com> - 2021-01-05 22:54 +0000
    Re: AI and decompilation? gareth evans <headstone255@yahoo.com> - 2021-01-05 11:56 +0000
      Re: AI and decompilation? A. Dumas <alexandre@dumas.fr.invalid> - 2021-01-05 14:11 +0000
        Re: AI and decompilation? Bob Eager <news0073@eager.cx> - 2021-01-05 14:22 +0000
        Re: AI and decompilation? gareth evans <headstone255@yahoo.com> - 2021-01-05 15:35 +0000
          Re: AI and decompilation? Ahem A Rivet's Shot <steveo@eircom.net> - 2021-01-05 18:47 +0000
            Re: AI and decompilation? Charlie Gibbs <cgibbs@kltpzyxm.invalid> - 2021-01-05 20:15 +0000
    Re: AI and decompilation? J. Clarke <jclarke.873638@gmail.com> - 2021-01-05 07:32 -0500
    Re: AI and decompilation? scott@slp53.sl.home (Scott Lurndal) - 2021-01-05 16:00 +0000
  Re: AI and decompilation? Adrian Caspersz <email@here.invalid> - 2021-01-05 11:26 +0000
    Re: AI and decompilation? Thomas Koenig <tkoenig@netcologne.de> - 2021-01-05 13:07 +0000
      Re: AI and decompilation? The Natural Philosopher <tnp@invalid.invalid> - 2021-01-05 13:42 +0000
      Re: AI and decompilation? Eli the Bearded <*@eli.users.panix.com> - 2021-01-05 18:31 +0000
  Re: AI and decompilation? "K. Krause" <klemens.krause@gmx.net> - 2021-01-05 16:01 +0100
  Re: AI and decompilation? druck <news@druck.org.uk> - 2021-01-05 20:51 +0000
    Re: AI and decompilation? gareth evans <headstone255@yahoo.com> - 2021-01-05 22:51 +0000
      Re: AI and decompilation? Dennis Lee Bieber <wlfraed@ix.netcom.com> - 2021-01-08 22:23 -0500
  Re: AI and decompilation? Andy Burns <usenet@andyburns.uk> - 2021-02-12 15:40 +0000

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