Re: Recognizers and DT-TOKEN:

From	Alex <alex@rivadpm.com>
Newsgroups	comp.lang.forth
Subject	Re: Recognizers and DT-TOKEN:
Date	2017-05-05 20:32 +0100
Organization	A noiseless patient Spider
Message-ID	<oeijqv$er$1@dont-email.me> (permalink)
References	(9 earlier) <dJidncMN9rGNPpTEnZ2dnUU7-anNnZ2d@supernews.com> <2017May4.160014@mips.complang.tuwien.ac.at> <ZOKdnZcItf2M_pbEnZ2dnUU7-UHNnZ2d@supernews.com> <oefqss$2r5$1@dont-email.me> <X-CdnUUA5q7xFJHEnZ2dnUU7-QfNnZ2d@supernews.com>

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On 5/5/2017 15:17, Andrew Haley wrote:
> Alex <alex@rivadpm.com> wrote:
>> On 5/4/2017 18:21, Andrew Haley wrote:
>>> Indeed it does.  So let's see if it gets adopted.  It is a new
>>> feature, which has far-reaching consequences, and shouldn't be adopted
>>> without widespread real-world testing.
>>
>> Actually, I reckon it has no significant consequences; since a system
>> with recognizers for names, numbers, doubles, strings, floats etc is
>> indistinguishable in operation (for all of interpret, compile, postpone
>> and execute) as any other system without it.
> 
> Well, yeah: as long as no application uses recognizers, they will have
> no consequences to the user, but they will constrain the implementer
> to write the text interpreter in a particular way.  (Or at least, to
> provide a text interpreter written in that way.)  

That's a very weak argument. Most of Forth is like that.

> But in that case, if
> no application is using the extension, there is no need to standardize
> them.

That is not the point; and you know it.

> 
>> WF32 with recognizers now passes the extended Hayes tester that Gerry
>> Jackson put together (excepting floats; I still have to write it).
>>
>> I'm blowed if I can see what is far reaching about that.
> 
> The problem occurs if people actually use recognizers to write
> libraries, as I have pointed out.  And I've explained why I think
> there will be problems with libraries which use recognizers as part of
> their interface.  If anything, such libraries will be less portable
> than now, and certainly (if libraries put their recognizers before the
> dictionary search) they will break programs.

Why would they do that?

> 
> But I have said this same thing five different ways already, so I
> could be accused of using vain repetition.

I think we're going to have to disagree. That might save another round.


-- 
Alex

Thread

Recognizers and DT-TOKEN: Alex <alex@rivadpm.com> - 2017-04-30 03:31 +0100
  Re: Recognizers and DT-TOKEN: minforth@arcor.de - 2017-04-29 20:21 -0700
    Re: Recognizers and DT-TOKEN: Andrew Haley <andrew29@littlepinkcloud.invalid> - 2017-04-30 03:30 -0500
      Re: Recognizers and DT-TOKEN: anton@mips.complang.tuwien.ac.at (Anton Ertl) - 2017-04-30 09:51 +0000
        Re: Recognizers and DT-TOKEN: Andrew Haley <andrew29@littlepinkcloud.invalid> - 2017-04-30 07:50 -0500
          Re: Recognizers and DT-TOKEN: Alex <alex@rivadpm.com> - 2017-04-30 14:05 +0100
            Re: Recognizers and DT-TOKEN: Andrew Haley <andrew29@littlepinkcloud.invalid> - 2017-04-30 08:11 -0500
              Re: Recognizers and DT-TOKEN: Alex <alex@rivadpm.com> - 2017-04-30 14:18 +0100
          Re: Recognizers and DT-TOKEN: anton@mips.complang.tuwien.ac.at (Anton Ertl) - 2017-04-30 14:01 +0000
            Re: Recognizers and DT-TOKEN: Alex <alex@rivadpm.com> - 2017-04-30 15:36 +0100
              Re: Recognizers and DT-TOKEN: krishna.myneni@ccreweb.org - 2017-05-01 01:48 -0700
                Re: Recognizers and DT-TOKEN: Alex <alex@rivadpm.com> - 2017-05-01 11:13 +0100
                Re: Recognizers and DT-TOKEN: krishna.myneni@ccreweb.org - 2017-05-01 04:40 -0700
                Re: Recognizers and DT-TOKEN: Alex <alex@rivadpm.com> - 2017-05-01 18:01 +0100
                Re: Recognizers and DT-TOKEN: krishna.myneni@ccreweb.org - 2017-05-01 11:42 -0700
                Re: Recognizers and DT-TOKEN: Alex <alex@rivadpm.com> - 2017-05-01 20:47 +0100
                Re: Recognizers and DT-TOKEN: krishna.myneni@ccreweb.org - 2017-05-01 13:56 -0700
                Re: Recognizers and DT-TOKEN: Julian Fondren <julian.fondren@gmail.com> - 2017-05-01 14:07 -0700
                Re: Recognizers and DT-TOKEN: Alex <alex@rivadpm.com> - 2017-05-01 23:17 +0100
                Re: Recognizers and DT-TOKEN: Alex <alex@rivadpm.com> - 2017-05-01 22:33 +0100
              Re: Recognizers and DT-TOKEN: Andrew Haley <andrew29@littlepinkcloud.invalid> - 2017-05-02 03:49 -0500
                Re: Recognizers and DT-TOKEN: albert@cherry.spenarnc.xs4all.nl (Albert van der Horst) - 2017-05-02 12:27 +0200
                Re: Recognizers and DT-TOKEN: anton@mips.complang.tuwien.ac.at (Anton Ertl) - 2017-05-04 11:42 +0000
                Re: Recognizers and DT-TOKEN: Alex <alex@rivadpm.com> - 2017-05-02 11:41 +0100
                Re: Recognizers and DT-TOKEN: john <anon@example.com> - 2017-05-02 12:13 +0100
                Re: Recognizers and DT-TOKEN: "Elizabeth D. Rather" <erather@forth.com> - 2017-05-02 09:42 -1000
                Re: Recognizers and DT-TOKEN: anton@mips.complang.tuwien.ac.at (Anton Ertl) - 2017-05-02 14:13 +0000
                Re: Recognizers and DT-TOKEN: Andrew Haley <andrew29@littlepinkcloud.invalid> - 2017-05-02 12:32 -0500
                Re: Recognizers and DT-TOKEN: Alex <alex@rivadpm.com> - 2017-05-02 18:55 +0100
                Re: Recognizers and DT-TOKEN: Andrew Haley <andrew29@littlepinkcloud.invalid> - 2017-05-02 13:05 -0500
                Re: Recognizers and DT-TOKEN: anton@mips.complang.tuwien.ac.at (Anton Ertl) - 2017-05-04 13:18 +0000
                Re: Recognizers and DT-TOKEN: Andrew Haley <andrew29@littlepinkcloud.invalid> - 2017-05-04 08:55 -0500
                Re: Recognizers and DT-TOKEN: Matthias Trute <matthias.trute@gmail.com> - 2017-05-02 11:36 -0700
                Re: Recognizers and DT-TOKEN: JennyB <jennybrien@googlemail.com> - 2017-05-03 06:39 -0700
                Re: Recognizers and DT-TOKEN: krishna.myneni@ccreweb.org - 2017-05-08 10:22 -0700
                Re: Recognizers and DT-TOKEN: Matthias Trute <matthias.trute@gmail.com> - 2017-05-08 11:52 -0700
                Re: Recognizers and DT-TOKEN: krishna.myneni@ccreweb.org - 2017-05-09 02:45 -0700
                Re: Recognizers and DT-TOKEN: minforth@arcor.de - 2017-05-09 03:47 -0700
                Re: Recognizers and DT-TOKEN: Alex <alex@rivadpm.com> - 2017-05-09 12:52 +0100
                Re: Recognizers and DT-TOKEN: Matthias Trute <matthias.trute@gmail.com> - 2017-05-09 10:38 -0700
                Re: Recognizers and DT-TOKEN: anton@mips.complang.tuwien.ac.at (Anton Ertl) - 2017-05-09 11:08 +0000
                Re: Recognizers and DT-TOKEN: Andrew Haley <andrew29@littlepinkcloud.invalid> - 2017-05-09 08:33 -0500
                Re: Recognizers and DT-TOKEN: Lars Brinkhoff <lars.spam@nocrew.org> - 2017-05-09 15:39 +0200
                Re: Recognizers and DT-TOKEN: Andrew Haley <andrew29@littlepinkcloud.invalid> - 2017-05-09 09:14 -0500
                Re: Recognizers and DT-TOKEN: anton@mips.complang.tuwien.ac.at (Anton Ertl) - 2017-05-09 16:40 +0000
                Re: Recognizers and DT-TOKEN: Andrew Haley <andrew29@littlepinkcloud.invalid> - 2017-05-10 05:48 -0500
                Re: Recognizers and DT-TOKEN: Joel Rees <joel.rees@gmail.com> - 2017-05-12 07:47 -0700
                Re: Recognizers and DT-TOKEN: Matthias Trute <matthias.trute@gmail.com> - 2017-05-02 11:10 -0700
                Re: Recognizers and DT-TOKEN: Matthias Trute <matthias.trute@gmail.com> - 2017-05-02 11:47 -0700
                Re: Recognizers and DT-TOKEN: Bernd Paysan <bernd@net2o.de> - 2017-05-02 22:47 +0000
                Re: Recognizers and DT-TOKEN: Andrew Haley <andrew29@littlepinkcloud.invalid> - 2017-05-03 04:31 -0500
                Re: Recognizers and DT-TOKEN: anton@mips.complang.tuwien.ac.at (Anton Ertl) - 2017-05-04 15:01 +0000
                Re: Recognizers and DT-TOKEN: Andrew Haley <andrew29@littlepinkcloud.invalid> - 2017-05-04 12:10 -0500
                Re: Recognizers and DT-TOKEN: Andrew Haley <andrew29@littlepinkcloud.invalid> - 2017-05-03 04:29 -0500
                Re: Recognizers and DT-TOKEN: Matthias Trute <matthias.trute@gmail.com> - 2017-05-03 12:27 -0700
                Re: Recognizers and DT-TOKEN: Andrew Haley <andrew29@littlepinkcloud.invalid> - 2017-05-04 02:35 -0500
                Re: Recognizers and DT-TOKEN: anton@mips.complang.tuwien.ac.at (Anton Ertl) - 2017-05-04 14:00 +0000
                Re: Recognizers and DT-TOKEN: Andrew Haley <andrew29@littlepinkcloud.invalid> - 2017-05-04 12:21 -0500
                Re: Recognizers and DT-TOKEN: Alex <alex@rivadpm.com> - 2017-05-04 19:14 +0100
                Re: Recognizers and DT-TOKEN: Andrew Haley <andrew29@littlepinkcloud.invalid> - 2017-05-05 09:17 -0500
                Re: Recognizers and DT-TOKEN: minforth@arcor.de - 2017-05-05 07:31 -0700
                Re: Recognizers and DT-TOKEN: Andrew Haley <andrew29@littlepinkcloud.invalid> - 2017-05-05 10:27 -0500
                Re: Recognizers and DT-TOKEN: anton@mips.complang.tuwien.ac.at (Anton Ertl) - 2017-05-05 15:25 +0000
                Re: Recognizers and DT-TOKEN: minforth@arcor.de - 2017-05-05 12:21 -0700
                Re: Recognizers and DT-TOKEN: anton@mips.complang.tuwien.ac.at (Anton Ertl) - 2017-05-06 16:37 +0000
                Re: Recognizers and DT-TOKEN: minforth@arcor.de - 2017-05-06 13:18 -0700
                Re: Recognizers and DT-TOKEN: Alex <alex@rivadpm.com> - 2017-05-05 20:32 +0100
                Re: Recognizers and DT-TOKEN: Bernd Paysan <bernd@net2o.de> - 2017-05-06 01:06 +0000
                Re: Recognizers and DT-TOKEN: Andrew Haley <andrew29@littlepinkcloud.invalid> - 2017-05-07 03:54 -0500
                Re: Recognizers and DT-TOKEN: albert@cherry.spenarnc.xs4all.nl (Albert van der Horst) - 2017-05-07 13:46 +0200
                Re: Recognizers and DT-TOKEN: Andrew Haley <andrew29@littlepinkcloud.invalid> - 2017-05-07 07:59 -0500
                Re: Recognizers and DT-TOKEN: JennyB <jennybrien@googlemail.com> - 2017-05-07 11:31 -0700
                Re: Recognizers and DT-TOKEN: Alex <alex@rivadpm.com> - 2017-05-07 20:22 +0100
                Re: Recognizers and DT-TOKEN: JennyB <jennybrien@googlemail.com> - 2017-05-08 04:17 -0700
                Re: Recognizers and DT-TOKEN: anton@mips.complang.tuwien.ac.at (Anton Ertl) - 2017-05-08 15:30 +0000
                Re: Recognizers and DT-TOKEN: Matthias Trute <matthias.trute@gmail.com> - 2017-05-08 12:00 -0700
                Re: Recognizers and DT-TOKEN: anton@mips.complang.tuwien.ac.at (Anton Ertl) - 2017-05-08 13:50 +0000
                Re: Recognizers and DT-TOKEN: JennyB <jennybrien@googlemail.com> - 2017-05-08 09:51 -0700
                Re: Recognizers and DT-TOKEN: anton@mips.complang.tuwien.ac.at (Anton Ertl) - 2017-05-09 15:40 +0000
                Re: Recognizers and DT-TOKEN: albert@cherry.spenarnc.xs4all.nl (Albert van der Horst) - 2017-05-09 16:32 +0200
                Re: Recognizers and DT-TOKEN: anton@mips.complang.tuwien.ac.at (Anton Ertl) - 2017-05-09 16:19 +0000
                Re: Recognizers and DT-TOKEN: albert@cherry.spenarnc.xs4all.nl (Albert van der Horst) - 2017-05-09 18:53 +0200
                Re: Recognizers and DT-TOKEN: Alex <alex@rivadpm.com> - 2017-05-09 18:12 +0100
                Re: Recognizers and DT-TOKEN: Matthias Trute <matthias.trute@gmail.com> - 2017-05-09 10:41 -0700
                Re: Recognizers and DT-TOKEN: Alex <alex@rivadpm.com> - 2017-05-09 19:12 +0100
                Re: Recognizers and DT-TOKEN: Bernd Paysan <bernd@net2o.de> - 2017-05-07 22:46 +0000
                Re: Recognizers and DT-TOKEN: Andrew Haley <andrew29@littlepinkcloud.invalid> - 2017-05-08 03:50 -0500
                Re: Recognizers and DT-TOKEN: minforth@arcor.de - 2017-05-08 02:42 -0700
                Re: Recognizers and DT-TOKEN: minforth@arcor.de - 2017-05-08 03:58 -0700
                Re: Recognizers and DT-TOKEN: Alex <alex@rivadpm.com> - 2017-05-08 12:35 +0100
                Re: Recognizers and DT-TOKEN: minforth@arcor.de - 2017-05-08 05:49 -0700
                Re: Recognizers and DT-TOKEN: albert@cherry.spenarnc.xs4all.nl (Albert van der Horst) - 2017-05-08 16:28 +0200
                Re: Recognizers and DT-TOKEN: minforth@arcor.de - 2017-05-08 07:54 -0700
                Re: Recognizers and DT-TOKEN: albert@cherry.spenarnc.xs4all.nl (Albert van der Horst) - 2017-05-08 17:16 +0200
                Re: Recognizers and DT-TOKEN: minforth@arcor.de - 2017-05-08 09:23 -0700
                Re: Recognizers and DT-TOKEN: anton@mips.complang.tuwien.ac.at (Anton Ertl) - 2017-05-08 16:31 +0000
                Re: Recognizers and DT-TOKEN: mhx@iae.nl - 2017-05-08 11:14 -0700
                Re: Recognizers and DT-TOKEN: Alex <alex@rivadpm.com> - 2017-05-08 19:27 +0100
                Re: Recognizers and DT-TOKEN: albert@cherry.spenarnc.xs4all.nl (Albert van der Horst) - 2017-05-09 16:39 +0200
                Re: Recognizers and DT-TOKEN: anton@mips.complang.tuwien.ac.at (Anton Ertl) - 2017-05-09 14:53 +0000
                Re: Recognizers and DT-TOKEN: Joel Rees <joel.rees@gmail.com> - 2017-05-09 20:43 -0700
                Re: Recognizers and DT-TOKEN: minforth@arcor.de - 2017-05-08 15:02 -0700
                Re: Recognizers and DT-TOKEN: Alex <alex@rivadpm.com> - 2017-05-09 12:24 +0100
                Re: Recognizers and DT-TOKEN: Bernd Paysan <bernd@net2o.de> - 2017-05-07 23:34 +0000
                Re: Recognizers and DT-TOKEN: pahihu <pahihu@gmail.com> - 2017-05-08 01:17 -0700
                Re: Recognizers and DT-TOKEN: Bernd Paysan <bernd@net2o.de> - 2017-05-08 12:30 +0000
                Re: Recognizers and DT-TOKEN: pahihu <pahihu@gmail.com> - 2017-05-08 07:49 -0700
                Re: Recognizers and DT-TOKEN: Andrew Haley <andrew29@littlepinkcloud.invalid> - 2017-05-08 10:58 -0500
                Re: Recognizers and DT-TOKEN: anton@mips.complang.tuwien.ac.at (Anton Ertl) - 2017-05-08 11:44 +0000
                Re: Recognizers and DT-TOKEN: pahihu <pahihu@gmail.com> - 2017-05-08 08:04 -0700
                Re: Recognizers and DT-TOKEN: anton@mips.complang.tuwien.ac.at (Anton Ertl) - 2017-05-08 17:30 +0000
                Re: Recognizers and DT-TOKEN: pahihu <pahihu@gmail.com> - 2017-05-10 04:07 -0700
                Re: Recognizers and DT-TOKEN: Ron Aaron <rambamist@gmail.com> - 2017-05-10 14:11 +0300
                Re: Recognizers and DT-TOKEN: Lars Brinkhoff <lars.spam@nocrew.org> - 2017-05-10 13:59 +0200
                Re: Recognizers and DT-TOKEN: Alex <alex@rivadpm.com> - 2017-05-10 14:04 +0100
                Re: Recognizers and DT-TOKEN: Alex <alex@rivadpm.com> - 2017-05-10 14:06 +0100
                Re: Recognizers and DT-TOKEN: Alex <alex@rivadpm.com> - 2017-05-10 13:02 +0100
                Re: Recognizers and DT-TOKEN: pahihu <pahihu@gmail.com> - 2017-05-10 06:07 -0700
                Re: Recognizers and DT-TOKEN: Alex <alex@rivadpm.com> - 2017-05-10 14:30 +0100
                Re: Recognizers and DT-TOKEN: Matthias Trute <matthias.trute@gmail.com> - 2017-05-10 11:59 -0700
                Re: Recognizers and DT-TOKEN: Lars Brinkhoff <lars.spam@nocrew.org> - 2017-05-10 15:10 +0200
                Re: Recognizers and DT-TOKEN: Alex <alex@rivadpm.com> - 2017-05-10 14:33 +0100
                Re: Recognizers and DT-TOKEN: Lars Brinkhoff <lars.spam@nocrew.org> - 2017-05-10 16:08 +0200
                Re: Recognizers and DT-TOKEN: Alex <alex@rivadpm.com> - 2017-05-10 16:02 +0100
                Re: Recognizers and DT-TOKEN: Matthias Trute <matthias.trute@gmail.com> - 2017-05-10 09:10 -0700
                Re: Recognizers and DT-TOKEN: Lars Brinkhoff <lars.spam@nocrew.org> - 2017-05-10 18:38 +0200
                Re: Recognizers and DT-TOKEN: Andrew Haley <andrew29@littlepinkcloud.invalid> - 2017-05-08 04:03 -0500
                Re: Recognizers and DT-TOKEN: Bernd Paysan <bernd@net2o.de> - 2017-05-08 13:32 +0000
                Re: Recognizers and DT-TOKEN: albert@cherry.spenarnc.xs4all.nl (Albert van der Horst) - 2017-05-08 16:11 +0200
                Re: Recognizers and DT-TOKEN: stephen@mpeforth.com (Stephen Pelc) - 2017-05-04 20:29 +0000
                Re: Recognizers and DT-TOKEN: anton@mips.complang.tuwien.ac.at (Anton Ertl) - 2017-05-07 14:55 +0000
            Re: Recognizers and DT-TOKEN: Andrew Haley <andrew29@littlepinkcloud.invalid> - 2017-05-02 02:47 -0500
              Re: Recognizers and DT-TOKEN: Bernd Paysan <bernd@net2o.de> - 2017-05-02 15:02 +0000
    Re: Recognizers and DT-TOKEN: Alex <alex@rivadpm.com> - 2017-04-30 12:11 +0100
      Re: Recognizers and DT-TOKEN: minforth@arcor.de - 2017-04-30 06:34 -0700
        Re: Recognizers and DT-TOKEN: Julian Fondren <julian.fondren@gmail.com> - 2017-04-30 06:59 -0700
        Re: Recognizers and DT-TOKEN: Alex <alex@rivadpm.com> - 2017-04-30 15:04 +0100
      Re: Recognizers and DT-TOKEN: Matthias Trute <matthias.trute@gmail.com> - 2017-04-30 09:38 -0700
  Re: Recognizers and DT-TOKEN: anton@mips.complang.tuwien.ac.at (Anton Ertl) - 2017-04-30 09:36 +0000
    Re: Recognizers and DT-TOKEN: Alex <alex@rivadpm.com> - 2017-04-30 11:46 +0100
      Re: Recognizers and DT-TOKEN: anton@mips.complang.tuwien.ac.at (Anton Ertl) - 2017-04-30 14:12 +0000
        Re: Recognizers and DT-TOKEN: Alex <alex@rivadpm.com> - 2017-04-30 16:39 +0100
          Re: Recognizers and DT-TOKEN: Matthias Trute <matthias.trute@gmail.com> - 2017-04-30 09:25 -0700
          Re: Recognizers and DT-TOKEN: anton@mips.complang.tuwien.ac.at (Anton Ertl) - 2017-04-30 16:23 +0000
      Re: Recognizers and DT-TOKEN: Matthias Trute <matthias.trute@gmail.com> - 2017-04-30 09:06 -0700
    Re: Recognizers and DT-TOKEN: Gerry Jackson <gerry@jackson9000.fsnet.co.uk> - 2017-04-30 18:00 +0100
      Re: Recognizers and DT-TOKEN: JennyB <jennybrien@googlemail.com> - 2017-05-01 01:30 -0700
        Re: Recognizers and DT-TOKEN: anton@mips.complang.tuwien.ac.at (Anton Ertl) - 2017-05-02 13:06 +0000
          Re: Recognizers and DT-TOKEN: minforth@arcor.de - 2017-05-02 06:24 -0700
            Re: Recognizers and DT-TOKEN: anton@mips.complang.tuwien.ac.at (Anton Ertl) - 2017-05-04 13:13 +0000
          Re: Recognizers and DT-TOKEN: JennyB <jennybrien@googlemail.com> - 2017-05-03 04:20 -0700
            Re: Recognizers and DT-TOKEN: anton@mips.complang.tuwien.ac.at (Anton Ertl) - 2017-05-04 15:17 +0000
      Re: Recognizers and DT-TOKEN: anton@mips.complang.tuwien.ac.at (Anton Ertl) - 2017-05-02 12:46 +0000
        Re: Recognizers and DT-TOKEN: Gerry Jackson <gerry@jackson9000.fsnet.co.uk> - 2017-05-03 07:58 +0100
          Re: Recognizers and DT-TOKEN: mhx@iae.nl - 2017-05-03 10:52 -0700
  Re: Recognizers and DT-TOKEN: Matthias Trute <matthias.trute@gmail.com> - 2017-04-30 08:51 -0700
  Re: Recognizers and DT-TOKEN: Bernd Paysan <bernd@net2o.de> - 2017-04-30 22:54 +0000
    Re: Recognizers and DT-TOKEN: Matthias Trute <matthias.trute@gmail.com> - 2017-05-01 01:01 -0700
      Re: Recognizers and DT-TOKEN: Bernd Paysan <bernd@net2o.de> - 2017-05-02 15:10 +0000

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