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Re: Coroutines in Forth

From albert@SPENARNC.XS4ALL.NL
Subject Re: Coroutines in Forth
Newsgroups comp.lang.forth
References (2 earlier) <10r1825$2d8j6$1@dont-email.me> <nnd$7d2e6a4e$3bd4aa4f@294189cda32d8f1f> <10r3nfo$33464$1@dont-email.me> <10r7u2q$87br$1@dont-email.me> <112njrb$7o6b$1@dont-email.me>
Message-ID <nnd$5a3db669$4c76e669@cdc881506906fa45> (permalink)
Organization www.abavia.com
Date 2026-07-10 01:48 +0200

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marcel hendrix <mhx@iae.nl> wrote:
> On 4/9/2026 12:12 PM, Stephen Pelc wrote:
>> On 7 Apr 2026 at 21:55:37 CEST, "Gerry Jackson" <do-not-use@swldwa.uk> wrote:
>>
>>> On 07/04/2026 12:35, albert@spenarnc.xs4all.nl wrote:
>>>> A similar situation applies to "TO must scan". It turns out there
>>>> is no standard program that can detect this. It steers implementation
>>>> towards a scanning TO.
>>>
>>> On the contrary, Ruvim posted some code that is a standard program and
>>> which distinguishes between a parsing TO and one that sets a flag for a
>>> following VALUE to act on.
>>
>> VFX sets a flag for TO and friends and has done so for 30+ years. We have no
>> intention of changing despite the cleverness of Ruvim's detection scheme. We
>> take the "as if" position because
>>    a) it simplifies implementation.
>>    b) no user has complained.
>>
>> Stephen
>
> Agreed. My Forths have used TO since 1983 (concept derived from FysForth).

Same here. ciforth means not alone "computer intelligence forth" it also
means "close to iso" forth. Ignoring the requirement of parsing is
inconsequential for the users, not worth complicating the implementation
over.
Groetjes Albert
--
The glass is half empty. There is no such thing as a free world.
This is the first day of the end of your life.
If you can't beat them, ... too bad.

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Coroutines in Forth Gerry Jackson <do-not-use@swldwa.uk> - 2026-04-05 23:25 +0100
  Re: Coroutines in Forth Gerry Jackson <do-not-use@swldwa.uk> - 2026-04-05 23:30 +0100
    Re: Coroutines in Forth Paul Rubin <no.email@nospam.invalid> - 2026-04-05 17:16 -0700
      Re: Coroutines in Forth Gerry Jackson <do-not-use@swldwa.uk> - 2026-04-06 19:58 +0100
        Re: Coroutines in Forth Paul Rubin <no.email@nospam.invalid> - 2026-04-22 11:13 -0700
          Re: Coroutines in Forth albert@spenarnc.xs4all.nl - 2026-04-22 22:05 +0200
      Re: Coroutines in Forth albert@spenarnc.xs4all.nl - 2026-04-07 13:23 +0200
  Re: Coroutines in Forth albert@spenarnc.xs4all.nl - 2026-04-06 13:51 +0200
    Re: Coroutines in Forth Gerry Jackson <do-not-use@swldwa.uk> - 2026-04-06 22:20 +0100
      Re: Coroutines in Forth albert@spenarnc.xs4all.nl - 2026-04-07 13:35 +0200
        Re: Coroutines in Forth Gerry Jackson <do-not-use@swldwa.uk> - 2026-04-07 20:55 +0100
          Re: Coroutines in Forth albert@spenarnc.xs4all.nl - 2026-04-08 12:34 +0200
            Re: Coroutines in Forth Gerry Jackson <do-not-use@swldwa.uk> - 2026-04-08 12:32 +0100
            non-parsing `TO` considered harmful Ruvim <ruvim.pinka@gmail.com> - 2026-06-04 22:26 +0000
              Re: non-parsing `TO` considered harmful Ruvim <ruvim.pinka@gmail.com> - 2026-06-06 12:54 +0000
                Re: non-parsing `TO` considered harmful anton@mips.complang.tuwien.ac.at (Anton Ertl) - 2026-06-06 16:17 +0000
                Re: non-parsing `TO` considered harmful Ruvim <ruvim.pinka@gmail.com> - 2026-06-06 21:09 +0000
                Re: non-parsing `TO` considered harmful anton@mips.complang.tuwien.ac.at (Anton Ertl) - 2026-06-07 13:23 +0000
                Re: non-parsing `TO` considered harmful Ruvim <ruvim.pinka@gmail.com> - 2026-06-07 17:44 +0000
                Re: non-parsing `TO` considered harmful anton@mips.complang.tuwien.ac.at (Anton Ertl) - 2026-06-08 05:04 +0000
                text translator (was: non-parsing `TO` considered harmful) Ruvim <ruvim.pinka@gmail.com> - 2026-06-08 15:53 +0000
                Recognizers vs Parsing words (was: non-parsing `TO` considered harmful) Ruvim <ruvim.pinka@gmail.com> - 2026-06-09 10:25 +0000
                Re: Recognizers vs Parsing words Ruvim <ruvim.pinka@gmail.com> - 2026-06-10 19:45 +0000
                compilation of compilation (was: non-parsing `TO` considered harmful) Ruvim <ruvim.pinka@gmail.com> - 2026-06-08 07:28 +0000
                Recognizer API v.2025-09-11 (was: non-parsing `TO` considered harmful) Ruvim <ruvim.pinka@gmail.com> - 2026-06-14 12:41 +0000
                Re: Recognizer API v.2025-09-11 (was: non-parsing `TO` considered harmful) anton@mips.complang.tuwien.ac.at (Anton Ertl) - 2026-06-15 17:17 +0000
                Re: Recognizer API v.2025-09-11 Ruvim <ruvim.pinka@gmail.com> - 2026-06-16 17:34 +0000
                Re: Recognizer API v.2025-09-11 anton@mips.complang.tuwien.ac.at (Anton Ertl) - 2026-06-17 05:05 +0000
                Setters and getters in APIs (was: Recognizer API v.2025-09-11) Ruvim <ruvim.pinka@gmail.com> - 2026-06-19 16:17 +0000
                Re: Setters and getters in APIs (was: Recognizer API v.2025-09-11) anton@mips.complang.tuwien.ac.at (Anton Ertl) - 2026-06-20 15:51 +0000
                Re: non-parsing `TO` considered harmful Stephen Pelc <stephen@vfxforth.com> - 2026-06-07 11:59 +0000
                Re: non-parsing `TO` considered harmful anton@mips.complang.tuwien.ac.at (Anton Ertl) - 2026-06-07 15:25 +0000
          Re: Coroutines in Forth Stephen Pelc <stephen@vfxforth.com> - 2026-04-09 10:12 +0000
            non-parsing `TO` considered harmful Ruvim <ruvim.pinka@gmail.com> - 2026-06-04 22:30 +0000
              VFX Forth problems Ruvim <ruvim.pinka@gmail.com> - 2026-06-05 16:24 +0000
            Re: Coroutines in Forth marcel hendrix <mhx@iae.nl> - 2026-07-09 09:50 +0200
              Re: Coroutines in Forth albert@SPENARNC.XS4ALL.NL - 2026-07-10 01:48 +0200
          Re: Coroutines in Forth Stephen Pelc <stephen@vfxforth.com> - 2026-06-07 11:53 +0000
            non-parsing `TO` considered harmful (was: Coroutines in Forth) Ruvim <ruvim.pinka@gmail.com> - 2026-06-07 13:31 +0000
              Re: non-parsing `TO` considered harmful Travis Bemann <tabemann@gmail.com> - 2026-08-28 20:36 -0500
        Re: Coroutines in Forth Hans Bezemer <the.beez.speaks@gmail.com> - 2026-04-10 19:01 +0200
          Re: Coroutines in Forth dxf <dxforth@gmail.com> - 2026-04-11 11:54 +1000
            Re: Coroutines in Forth Hans Bezemer <the.beez.speaks@gmail.com> - 2026-05-01 13:07 +0200
          Re: Coroutines in Forth peter <peter.noreply@tin.it> - 2026-04-11 09:49 +0200
          Re: Coroutines in Forth albert@spenarnc.xs4all.nl - 2026-04-11 22:03 +0200
            Re: Coroutines in Forth dxf <dxforth@gmail.com> - 2026-04-12 12:49 +1000
              Re: Coroutines in Forth albert@spenarnc.xs4all.nl - 2026-04-12 12:13 +0200
                Re: Coroutines in Forth Hans Bezemer <the.beez.speaks@gmail.com> - 2026-04-12 17:39 +0200
                Re: Coroutines in Forth dxf <dxforth@gmail.com> - 2026-04-13 10:54 +1000
                Re: Coroutines in Forth Hans Bezemer <the.beez.speaks@gmail.com> - 2026-04-13 19:24 +0200
              Re: Coroutines in Forth Hans Bezemer <the.beez.speaks@gmail.com> - 2026-04-12 13:48 +0200
              Re: Coroutines in Forth albert@spenarnc.xs4all.nl - 2026-04-13 12:13 +0200
              Re: Coroutines in Forth Paul Rubin <no.email@nospam.invalid> - 2026-04-22 11:18 -0700
                Re: Coroutines in Forth dxf <dxforth@gmail.com> - 2026-04-23 11:13 +1000
                Re: Coroutines in Forth Hans Bezemer <the.beez.speaks@gmail.com> - 2026-04-23 12:37 +0200
                Re: Coroutines in Forth Paul Rubin <no.email@nospam.invalid> - 2026-04-24 10:36 -0700
                Re: Coroutines in Forth dxf <dxforth@gmail.com> - 2026-04-25 12:12 +1000
                Re: Coroutines in Forth Paul Rubin <no.email@nospam.invalid> - 2026-04-24 23:31 -0700
                Re: Coroutines in Forth albert@spenarnc.xs4all.nl - 2026-04-25 10:45 +0200
                Re: Coroutines in Forth dxf <dxforth@gmail.com> - 2026-04-25 22:06 +1000
                Re: Coroutines in Forth Hans Bezemer <the.beez.speaks@gmail.com> - 2026-04-25 15:11 +0200
                Re: Coroutines in Forth dxf <dxforth@gmail.com> - 2026-04-26 13:33 +1000
                Re: Coroutines in Forth Hans Bezemer <the.beez.speaks@gmail.com> - 2026-04-26 16:28 +0200
                Re: Coroutines in Forth Paul Rubin <no.email@nospam.invalid> - 2026-04-25 21:46 -0700
                FP stack depth limitations (was: Coroutines in Forth) anton@mips.complang.tuwien.ac.at (Anton Ertl) - 2026-04-26 05:55 +0000
                Re: FP stack depth limitations Paul Rubin <no.email@nospam.invalid> - 2026-04-26 00:28 -0700
                Re: FP stack depth limitations dxf <dxforth@gmail.com> - 2026-04-26 19:55 +1000
                Re: FP stack depth limitations (was: Coroutines in Forth) peter <peter.noreply@tin.it> - 2026-04-26 09:57 +0200
                Re: FP stack depth limitations (was: Coroutines in Forth) albert@spenarnc.xs4all.nl - 2026-04-26 14:34 +0200
                Re: Coroutines in Forth Hans Bezemer <the.beez.speaks@gmail.com> - 2026-04-25 15:01 +0200
                Re: Coroutines in Forth Hans Bezemer <the.beez.speaks@gmail.com> - 2026-05-01 13:13 +0200
                Forth, C, hardware, and programming virtues (was: Coroutines in Forth) anton@mips.complang.tuwien.ac.at (Anton Ertl) - 2026-04-25 05:26 +0000
                Re: Forth, C, hardware, and programming virtues Paul Rubin <no.email@nospam.invalid> - 2026-04-24 23:55 -0700
                Re: Forth, C, hardware, and programming virtues anton@mips.complang.tuwien.ac.at (Anton Ertl) - 2026-04-25 08:21 +0000
                Re: Forth, C, hardware, and programming virtues albert@spenarnc.xs4all.nl - 2026-04-25 11:27 +0200
                Re: Forth, C, hardware, and programming virtues Hans Bezemer <the.beez.speaks@gmail.com> - 2026-04-25 15:43 +0200
                Re: Forth, C, hardware, and programming virtues anton@mips.complang.tuwien.ac.at (Anton Ertl) - 2026-04-25 17:21 +0000
                Re: Forth, C, hardware, and programming virtues dxf <dxforth@gmail.com> - 2026-04-26 15:21 +1000
                Re: Forth, C, hardware, and programming virtues Hans Bezemer <the.beez.speaks@gmail.com> - 2026-04-26 15:08 +0200
                Re: Forth, C, hardware, and programming virtues albert@spenarnc.xs4all.nl - 2026-04-26 00:34 +0200
                Re: Forth, C, hardware, and programming virtues Hans Bezemer <the.beez.speaks@gmail.com> - 2026-04-26 15:10 +0200
                locals (was: Coroutines in Forth) anton@mips.complang.tuwien.ac.at (Anton Ertl) - 2026-04-25 04:47 +0000
                Re: locals Paul Rubin <no.email@nospam.invalid> - 2026-04-24 23:21 -0700
                Re: locals anton@mips.complang.tuwien.ac.at (Anton Ertl) - 2026-04-25 06:43 +0000
                Re: locals albert@spenarnc.xs4all.nl - 2026-04-25 11:43 +0200
                Re: locals anton@mips.complang.tuwien.ac.at (Anton Ertl) - 2026-04-25 10:22 +0000
                Re: locals peter <peter.noreply@tin.it> - 2026-04-25 16:07 +0200
                Re: locals Hans Bezemer <the.beez.speaks@gmail.com> - 2026-04-25 17:38 +0200
                Re: locals albert@spenarnc.xs4all.nl - 2026-04-26 01:13 +0200
                Re: locals anton@mips.complang.tuwien.ac.at (Anton Ertl) - 2026-04-26 14:03 +0000
                Re: locals peter <peter.noreply@tin.it> - 2026-04-27 09:31 +0200
                Re: locals anton@mips.complang.tuwien.ac.at (Anton Ertl) - 2026-04-27 07:53 +0000
                Re: locals peter <peter.noreply@tin.it> - 2026-04-27 11:52 +0200
                Re: locals albert@spenarnc.xs4all.nl - 2026-04-26 00:51 +0200
                Re: locals Paul Rubin <no.email@nospam.invalid> - 2026-04-25 22:40 -0700
                Re: locals albert@spenarnc.xs4all.nl - 2026-04-26 14:55 +0200
                Re: locals anton@mips.complang.tuwien.ac.at (Anton Ertl) - 2026-04-26 09:50 +0000
                Re: locals Hans Bezemer <the.beez.speaks@gmail.com> - 2026-04-26 16:22 +0200
                Re: locals anton@mips.complang.tuwien.ac.at (Anton Ertl) - 2026-04-26 17:04 +0000
                Re: locals dxf <dxforth@gmail.com> - 2026-04-27 11:51 +1000
                Re: locals Hans Bezemer <the.beez.speaks@gmail.com> - 2026-04-28 08:21 +0200
                Re: locals Hans Bezemer <the.beez.speaks@gmail.com> - 2026-04-28 08:22 +0200
                Re: locals dxf <dxforth@gmail.com> - 2026-04-27 11:12 +1000
                Re: locals Hans Bezemer <the.beez.speaks@gmail.com> - 2026-04-28 14:34 +0200
                Re: locals Hans Bezemer <the.beez.speaks@gmail.com> - 2026-04-28 14:34 +0200
                Re: locals Gerry Jackson <do-not-use@swldwa.uk> - 2026-04-29 12:44 +0100
                Re: locals Hans Bezemer <the.beez.speaks@gmail.com> - 2026-04-29 14:37 +0200
                Re: locals Hans Bezemer <the.beez.speaks@gmail.com> - 2026-04-29 14:44 +0200
                Re: locals Paul Rubin <no.email@nospam.invalid> - 2026-05-01 23:50 -0700
                Re: locals anton@mips.complang.tuwien.ac.at (Anton Ertl) - 2026-05-02 10:34 +0000
                Re: locals Paul Rubin <no.email@nospam.invalid> - 2026-05-01 23:54 -0700
                Re: locals dxf <dxforth@gmail.com> - 2026-05-02 17:36 +1000
                Re: locals Paul Rubin <no.email@nospam.invalid> - 2026-05-02 01:11 -0700
                Re: locals anton@mips.complang.tuwien.ac.at (Anton Ertl) - 2026-05-02 15:58 +0000
      Re: Coroutines in Forth Krishna Myneni <krishna.myneni@ccreweb.org> - 2026-04-07 09:28 -0500
        Re: Coroutines in Forth anton@mips.complang.tuwien.ac.at (Anton Ertl) - 2026-04-07 16:12 +0000
          Re: Coroutines in Forth Krishna Myneni <krishna.myneni@ccreweb.org> - 2026-04-07 18:06 -0500
          Re: Coroutines in Forth Gerry Jackson <do-not-use@swldwa.uk> - 2026-04-08 11:43 +0100
            Re: Coroutines in Forth albert@spenarnc.xs4all.nl - 2026-04-08 13:16 +0200
              Re: Coroutines in Forth Krishna Myneni <krishna.myneni@ccreweb.org> - 2026-04-08 11:47 -0500
                Re: Coroutines in Forth Gerry Jackson <do-not-use@swldwa.uk> - 2026-04-08 21:48 +0100
                Re: Coroutines in Forth Krishna Myneni <krishna.myneni@ccreweb.org> - 2026-04-09 07:06 -0500
                Re: Coroutines in Forth albert@spenarnc.xs4all.nl - 2026-04-09 16:41 +0200
                Re: Coroutines in Forth Krishna Myneni <krishna.myneni@ccreweb.org> - 2026-04-09 13:34 -0500
                Re: Coroutines in Forth albert@spenarnc.xs4all.nl - 2026-04-10 01:23 +0200
                Re: Coroutines in Forth Krishna Myneni <krishna.myneni@ccreweb.org> - 2026-04-09 21:34 -0500
                Re: Coroutines in Forth albert@spenarnc.xs4all.nl - 2026-04-09 13:01 +0200
                Re: Coroutines in Forth Krishna Myneni <krishna.myneni@ccreweb.org> - 2026-04-09 07:01 -0500
                Re: Coroutines in Forth albert@spenarnc.xs4all.nl - 2026-04-09 16:10 +0200
                Re: Coroutines in Forth Krishna Myneni <krishna.myneni@ccreweb.org> - 2026-04-09 13:29 -0500
              Re: Coroutines in Forth Gerry Jackson <do-not-use@swldwa.uk> - 2026-04-08 21:26 +0100
          Re: Coroutines in Forth Hans Bezemer <the.beez.speaks@gmail.com> - 2026-04-08 14:22 +0200
          Re: Coroutines in Forth Hans Bezemer <the.beez.speaks@gmail.com> - 2026-04-28 15:31 +0200
            Re: Coroutines in Forth albert@spenarnc.xs4all.nl - 2026-04-29 10:49 +0200
              Re: Coroutines in Forth Hans Bezemer <the.beez.speaks@gmail.com> - 2026-04-29 15:22 +0200
        Re: Coroutines in Forth Gerry Jackson <do-not-use@swldwa.uk> - 2026-04-08 11:33 +0100
          Re: Coroutines in Forth albert@spenarnc.xs4all.nl - 2026-04-08 13:07 +0200
            Re: Coroutines in Forth Gerry Jackson <do-not-use@swldwa.uk> - 2026-04-08 22:05 +0100
  Re: Coroutines in Forth albert <albert@spenarnc.xs4all.nl> - 2026-06-21 01:26 +0200

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