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Groups > comp.lang.forth > #4632

Re: multi-threading in Forth?

From Julian Fondren <ayrnieu@gmail.com>
Newsgroups comp.lang.forth
Subject Re: multi-threading in Forth?
Date 2011-08-07 01:43 -0500
Organization A noiseless patient Spider
Message-ID <86ipq94t79.fsf@gmail.com> (permalink)
References (5 earlier) <4e3aa6ce.690183008@192.168.0.50> <slrnj3ls85.27m.zbigniew2011REMOVE@Tichy.myhome.org> <b5SdnSwRyaUTbqbTnZ2dnUVZ8sidnZ2d@supernews.com> <8662mb5rw8.fsf@gmail.com> <Mq2dnfXtqqWanqDTnZ2dnUVZ8v-dnZ2d@supernews.com>

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Andrew Haley <andrew29@littlepinkcloud.invalid> writes:

>
> What is CALL ?
>

  : call >r ;

m_l_g3 calls it ENTER

> They're both hard to understand and maintain.  What's wrong with
>
>    -too-small if  -not-forth if  type space  then then
>
> ?  Golly, even a Forth beginner could understand what that does .  We
> can't have that!  :-)
>

  : -too-small ( c-addr u -- c-addr u 0 | -1 )
    ... ;

  : -too-small ( c-addr u -- c-addr u f )
    ... ;

Neither word follows the "consume all inputs" norm, but compared to what
I went with...

> Yes.  Conventional is good.  The maintenance programmer's time is
> valuable.  Think about it for a moment: on first sight, how long would
> it take the reader to figure out what these programs do?  Remember,
> you're writing code to be read.
>
> There's an old saying that appears in many forms, one of which is
> "Don't use a ten dollar word when a nickel one will do."  This is good
> advice when writing English, and terrific advice when programming.
> People learning English often use heavyweight synonyms and complex
> structures they've learned.  That's good while learning, but it's also
> a sure sign of someone not very fluent with the language.
>
> A maintenance programmer has a reasonable expectation that a
> heavyweight technique will only be used when demanded by a heavyweight
> problem.  When they find otherwise there's a kind of cognitive
> dissonance (talk about 10-dollar words!) that forces a break in
> concentration.  It also forces them to step away from the problem they
> were trying to solve in order to learn how your custom control
> structures work.
>
> This is not general advice against custom control structures, which
> are one of Forth's strengths.  But it's important to realize that,
> while they can simplify code and make it more readable, there is a
> cost.  A wise programmer balances costs and benefits, and uses
> powerful techniques sparingly.

Thanks for this :-) The middle paragraphs are persuasive enough for me.

> Andrew.

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Thread

multi-threading in Forth? Michael L Gassanenko <m_l_g3@yahoo.com> - 2011-08-02 02:01 -0700
  Re: multi-threading in Forth? mhx@iae.nl (Marcel Hendrix) - 2011-08-02 11:22 +0200
    Re: multi-threading in Forth? Zbiggy <zbigniew2011REMOVE@gmail.REMOVE.com> - 2011-08-02 15:26 +0200
    Re: multi-threading in Forth? mlg3 <m_l_g3@yahoo.com> - 2011-08-04 01:06 +0400
      Re: multi-threading in Forth? mhx@iae.nl (Marcel Hendrix) - 2011-08-04 06:36 +0200
        Re: multi-threading in Forth? Mark Wills <markrobertwills@yahoo.co.uk> - 2011-08-04 08:25 +0100
          Re: multi-threading in Forth? coos haak <chforth@hccnet.nl> - 2011-08-04 13:42 +0200
            Re: multi-threading in Forth? Zbiggy <zbigniew2011REMOVE@gmail.REMOVE.com> - 2011-08-04 14:35 +0200
              Re: multi-threading in Forth? Elizabeth D Rather <erather@forth.com> - 2011-08-04 08:30 -0500
                Re: multi-threading in Forth? Zbiggy <zbigniew2011REMOVE@gmail.REMOVE.com> - 2011-08-04 15:38 +0200
                Re: multi-threading in Forth? Elizabeth D Rather <erather@forth.com> - 2011-08-04 09:12 -0500
                Re: multi-threading in Forth? Mark Wills <markrobertwills@yahoo.co.uk> - 2011-08-04 16:50 +0100
                Re: multi-threading in Forth? mlg3 <m_l_g3@yahoo.com> - 2011-08-04 23:52 +0400
                Re: multi-threading in Forth? Andrew Haley <andrew29@littlepinkcloud.invalid> - 2011-08-05 08:50 -0500
                Re: multi-threading in Forth? Mark Wills <markrobertwills@yahoo.co.uk> - 2011-08-04 16:49 +0100
                Re: multi-threading in Forth? Zbiggy <zbigniew2011REMOVE@gmail.REMOVE.com> - 2011-08-04 19:23 +0200
                Re: multi-threading in Forth? Elizabeth D Rather <erather@forth.com> - 2011-08-05 10:57 -0500
              Re: multi-threading in Forth? stephenXXX@mpeforth.com (Stephen Pelc) - 2011-08-04 14:16 +0000
                Re: multi-threading in Forth? Mark Wills <markrobertwills@yahoo.co.uk> - 2011-08-04 16:51 +0100
                Re: multi-threading in Forth? stephenXXX@mpeforth.com (Stephen Pelc) - 2011-08-04 17:14 +0000
                Re: multi-threading in Forth? "Rod Pemberton" <do_not_have@noavailemail.cmm> - 2011-08-06 03:46 -0400
                Re: multi-threading in Forth? Zbiggy <zbigniew2011REMOVE@gmail.REMOVE.com> - 2011-08-04 19:11 +0200
                Re: multi-threading in Forth? Andrew Haley <andrew29@littlepinkcloud.invalid> - 2011-08-05 08:43 -0500
                Re: multi-threading in Forth? mlg3 <m_l_g3@yahoo.com> - 2011-08-06 01:49 +0400
                Re: multi-threading in Forth? Andrew Haley <andrew29@littlepinkcloud.invalid> - 2011-08-06 03:13 -0500
                Re: multi-threading in Forth? mlg3 <m_l_g3@yahoo.com> - 2011-08-09 04:41 +0400
                Re: multi-threading in Forth? mlg3 <m_l_g3@yahoo.com> - 2011-08-09 11:01 +0400
                Re: multi-threading in Forth? Andrew Haley <andrew29@littlepinkcloud.invalid> - 2011-08-10 09:02 -0500
                Re: multi-threading in Forth? mlg3 <m_l_g3@yahoo.com> - 2011-08-11 01:10 +0400
                Re: multi-threading in Forth? Ouatu Bogdan <ouatubi@gmail.com> - 2011-08-10 13:22 +0000
                Re: multi-threading in Forth? Zbiggy <zbigniew2011REMOVE@gmail.REMOVE.com> - 2011-08-06 01:12 +0200
                Re: multi-threading in Forth? coos haak <chforth@hccnet.nl> - 2011-08-06 02:37 +0200
                Re: multi-threading in Forth? Zbiggy <zbigniew2011REMOVE@gmail.REMOVE.com> - 2011-08-06 12:54 +0200
                Re: multi-threading in Forth? alextangent <blog@rivadpm.com> - 2011-08-06 12:15 +0100
                Re: multi-threading in Forth? Elizabeth D Rather <erather@forth.com> - 2011-08-05 22:23 -0500
                Re: multi-threading in Forth? Andrew Haley <andrew29@littlepinkcloud.invalid> - 2011-08-06 03:17 -0500
                Re: multi-threading in Forth? Julian Fondren <ayrnieu@gmail.com> - 2011-08-05 19:02 -0500
                Re: multi-threading in Forth? Andrew Haley <andrew29@littlepinkcloud.invalid> - 2011-08-06 04:01 -0500
                return-address manipulation (was: multi-threading in Forth?) anton@mips.complang.tuwien.ac.at (Anton Ertl) - 2011-08-06 16:35 +0000
                Re: return-address manipulation Gerry Jackson <gerry@jackson9000.fsnet.co.uk> - 2011-08-07 11:45 +0100
                Re: return-address manipulation Josh Grams <josh@qualdan.com> - 2011-08-08 09:40 +0000
                Re: return-address manipulation Gerry Jackson <gerry@jackson9000.fsnet.co.uk> - 2011-08-08 12:17 +0100
                Re: return-address manipulation Josh Grams <josh@qualdan.com> - 2011-08-08 12:29 +0000
                Re: return-address manipulation mlg3 <m_l_g3@yahoo.com> - 2011-08-09 03:54 +0400
                Re: return-address manipulation mlg3 <m_l_g3@yahoo.com> - 2011-08-09 02:52 +0400
                Re: return-address manipulation Gerry Jackson <gerry@jackson9000.fsnet.co.uk> - 2011-08-09 20:54 +0100
                Re: return-address manipulation mlg3 <m_l_g3@yahoo.com> - 2011-08-11 09:00 +0400
                Re: return-address manipulation Andrew Haley <andrew29@littlepinkcloud.invalid> - 2011-08-09 14:49 -0500
                Re: return-address manipulation anton@mips.complang.tuwien.ac.at (Anton Ertl) - 2011-08-10 09:03 +0000
                Re: return-address manipulation Andrew Haley <andrew29@littlepinkcloud.invalid> - 2011-08-10 05:13 -0500
                Re: return-address manipulation mlg3 <m_l_g3@yahoo.com> - 2011-08-11 09:24 +0400
                Re: return-address manipulation Andrew Haley <andrew29@littlepinkcloud.invalid> - 2011-08-11 04:09 -0500
                Re: return-address manipulation mlg3 <m_l_g3@yahoo.com> - 2011-08-11 09:36 +0400
                Re: return-address manipulation mlg3 <m_l_g3@yahoo.com> - 2011-08-11 09:54 +0400
                Re: return-address manipulation Andrew Haley <andrew29@littlepinkcloud.invalid> - 2011-08-11 04:16 -0500
                Re: multi-threading in Forth? Julian Fondren <ayrnieu@gmail.com> - 2011-08-07 01:43 -0500
                Re: multi-threading in Forth? Spam@ControlQ.com - 2011-08-06 12:36 -0400
                Re: multi-threading in Forth? Julian Fondren <ayrnieu@gmail.com> - 2011-08-07 01:13 -0500
                Re: multi-threading in Forth? mlg3 <m_l_g3@yahoo.com> - 2011-08-09 02:35 +0400
                Re: multi-threading in Forth? Albert van der Horst <albert@spenarnc.xs4all.nl> - 2011-08-07 10:08 +0000
                Re: multi-threading in Forth? Josh Grams <josh@qualdan.com> - 2011-08-07 13:45 +0000
                Re: multi-threading in Forth? mhx@iae.nl (Marcel Hendrix) - 2011-08-05 17:17 +0200
                Re: multi-threading in Forth? Zbiggy <zbigniew2011REMOVE@gmail.REMOVE.com> - 2011-08-05 19:23 +0200
                Re: multi-threading in Forth? Elizabeth D Rather <erather@forth.com> - 2011-08-05 10:53 -0500
                Re: multi-threading in Forth? Zbiggy <zbigniew2011REMOVE@gmail.REMOVE.com> - 2011-08-05 19:18 +0200
                Re: multi-threading in Forth? Elizabeth D Rather <erather@forth.com> - 2011-08-06 09:59 -0500
                Re: multi-threading in Forth? Spam@ControlQ.com - 2011-08-06 12:28 -0400
                Re: multi-threading in Forth? Albert van der Horst <albert@spenarnc.xs4all.nl> - 2011-08-06 11:29 +0000
            Re: multi-threading in Forth? Mark Wills <markrobertwills@yahoo.co.uk> - 2011-08-04 16:47 +0100
              Re: multi-threading in Forth? Julian Fondren <ayrnieu@gmail.com> - 2011-08-04 13:54 -0500
              Re: multi-threading in Forth? coos haak <chforth@hccnet.nl> - 2011-08-04 22:02 +0200
  Re: multi-threading in Forth? Elizabeth D Rather <erather@forth.com> - 2011-08-02 08:23 -0500
    Re: multi-threading in Forth? Zbiggy <zbigniew2011REMOVE@gmail.REMOVE.com> - 2011-08-02 15:30 +0200
      Re: multi-threading in Forth? Elizabeth D Rather <erather@forth.com> - 2011-08-02 08:53 -0500
        Re: multi-threading in Forth? Andrew Haley <andrew29@littlepinkcloud.invalid> - 2011-08-03 03:53 -0500

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