Re: Request for comments on a first forth program

From	Christian Kellermann <ckeen@necronomicon.my.domain>
Newsgroups	comp.lang.forth
Subject	Re: Request for comments on a first forth program
Date	2013-07-20 21:31 +0200
Organization	A noiseless patient Spider
Message-ID	<87ppudjaej.fsf@necronomicon.my.domain> (permalink)
References	<87wqomga80.fsf@pestilenz.org> <26e3733d-d76f-4a4a-8b30-0f888f9bb318@googlegroups.com> <51e98037$0$584$e4fe514c@dreader34.news.xs4all.nl>

Show all headers | View raw

Hi Albert,

albert@spenarnc.xs4all.nl (Albert van der Horst) writes:
> I have the habit (with lina) of adding !CSP and ?CSP to the main
> loops that must not grow the stack. If you make a mistake at some
> lower level it is signaled immediately (error #20 STACK UNBALANCE)
> It is available in gforth too. Like so:
>
> : run reset-game
>    begin  !CSP
>     move-robots board-print status-line cr help
>     #robots-alive 0= if ." You win!" cr bye then
>     any-collision? if
>      ." You died! " cr bye
>      else user-input then
>    ?CSP again ;

This is a very neat trick! This could also be used as a debugging help
by quickly bisecting chunks of words for a CSP mismatch.

Thanks for your other suggestions and kind encouragement,

Christian

P.S: What's lina?

Back to comp.lang.forth | Previous | Next — Previous in thread | Next in thread | Find similar

Thread

Request for comments on a first forth program Christian Kellermann <ckeen@pestilenz.org> - 2013-07-19 11:39 +0200
  Re: Request for comments on a first forth program Ron Aaron <rambamist@gmail.com> - 2013-07-19 13:04 +0300
    Re: Request for comments on a first forth program rickman <gnuarm@gmail.com> - 2013-07-19 12:43 -0400
  Re: Request for comments on a first forth program Andrew Haley <andrew29@littlepinkcloud.invalid> - 2013-07-19 05:28 -0500
  Re: Request for comments on a first forth program m.a.m.hendrix@tue.nl - 2013-07-19 03:56 -0700
    Re: Request for comments on a first forth program m.a.m.hendrix@tue.nl - 2013-07-19 04:00 -0700
    Re: Request for comments on a first forth program rickman <gnuarm@gmail.com> - 2013-07-19 12:51 -0400
      Re: Request for comments on a first forth program Christian Kellermann <ckeen@necronomicon.my.domain> - 2013-07-20 21:28 +0200
        Re: Request for comments on a first forth program anton@mips.complang.tuwien.ac.at (Anton Ertl) - 2013-07-22 15:43 +0000
          Re: Request for comments on a first forth program hughaguilar96@yahoo.com - 2013-07-24 20:00 -0700
            Re: Request for comments on a first forth program Christian Kellermann <ckeen@pestilenz.org> - 2013-07-25 10:37 +0200
              Re: Request for comments on a first forth program hughaguilar96@yahoo.com - 2013-07-26 00:00 -0700
                Re: Request for comments on a first forth program Christian Kellermann <ckeen@pestilenz.org> - 2013-07-26 09:34 +0200
                Re: Request for comments on a first forth program "Elizabeth D. Rather" <erather@forth.com> - 2013-07-25 21:40 -1000
                Re: Request for comments on a first forth program hughaguilar96@yahoo.com - 2013-07-27 20:16 -0700
                Re: Request for comments on a first forth program Christian Kellermann <ckeen@pestilenz.org> - 2013-07-29 10:09 +0200
                Re: Request for comments on a first forth program m.a.m.hendrix@tue.nl - 2013-07-29 04:14 -0700
                Re: Request for comments on a first forth program Andrew Haley <andrew29@littlepinkcloud.invalid> - 2013-07-29 07:49 -0500
                Re: Request for comments on a first forth program "Elizabeth D. Rather" <erather@forth.com> - 2013-07-29 15:32 -1000
                Re: Request for comments on a first forth program hughaguilar96@yahoo.com - 2013-07-31 17:50 -0700
                Re: Request for comments on a first forth program Christian Kellermann <ckeen@pestilenz.org> - 2013-07-31 13:23 +0200
                Re: Request for comments on a first forth program hughaguilar96@yahoo.com - 2013-07-31 18:05 -0700
                Re: Request for comments on a first forth program Christian Kellermann <ckeen@pestilenz.org> - 2013-08-01 12:53 +0200
                Re: Request for comments on a first forth program "Elizabeth D. Rather" <erather@forth.com> - 2013-08-01 09:58 -0500
                Re: Request for comments on a first forth program hughaguilar96@yahoo.com - 2013-08-01 20:42 -0700
                Re: Request for comments on a first forth program Brad Eckert <hwfwguy@gmail.com> - 2013-08-04 18:53 -0700
                Re: Request for comments on a first forth program "Elizabeth D. Rather" <erather@forth.com> - 2013-08-04 22:05 -0500
                Re: Request for comments on a first forth program hughaguilar96@yahoo.com - 2013-08-04 20:54 -0700
                Re: Request for comments on a first forth program Alex McDonald <blog@rivadpm.com> - 2013-08-05 05:50 -0700
                Re: Request for comments on a first forth program Christian Kellermann <ckeen@pestilenz.org> - 2013-08-05 22:14 +0200
                Re: Request for comments on a first forth program hughaguilar96@yahoo.com - 2013-08-06 21:11 -0700
                Re: Request for comments on a first forth program "Elizabeth D. Rather" <erather@forth.com> - 2013-08-01 01:04 -0500
    Re: Request for comments on a first forth program albert@spenarnc.xs4all.nl (Albert van der Horst) - 2013-07-19 18:06 +0000
      Re: Request for comments on a first forth program Christian Kellermann <ckeen@necronomicon.my.domain> - 2013-07-20 21:31 +0200
    Re: Request for comments on a first forth program Christian Kellermann <ckeen@necronomicon.my.domain> - 2013-07-20 21:24 +0200
      Re: Request for comments on a first forth program anton@mips.complang.tuwien.ac.at (Anton Ertl) - 2013-07-22 15:32 +0000
  Re: Request for comments on a first forth program Alex McDonald <blog@rivadpm.com> - 2013-07-19 06:49 -0700
    Re: Request for comments on a first forth program Christian Kellermann <ckeen@necronomicon.my.domain> - 2013-07-20 21:34 +0200
  Re: Request for comments on a first forth program Mark Wills <markrobertwills@yahoo.co.uk> - 2013-07-19 07:19 -0700
    Re: Request for comments on a first forth program Christian Kellermann <ckeen@necronomicon.my.domain> - 2013-07-20 21:41 +0200
  Re: Request for comments on a first forth program "Elizabeth D. Rather" <erather@forth.com> - 2013-07-19 07:55 -1000
    Re: Request for comments on a first forth program Christian Kellermann <ckeen@necronomicon.my.domain> - 2013-07-20 21:47 +0200
      Re: Request for comments on a first forth program "Elizabeth D. Rather" <erather@forth.com> - 2013-07-20 11:15 -1000
    Re: Request for comments on a first forth program hughaguilar96@yahoo.com - 2013-07-20 20:09 -0700
  Re: Request for comments on a first forth program "Paul E. Bennett" <Paul_E.Bennett@topmail.co.uk> - 2013-07-19 19:36 +0100
    Re: Request for comments on a first forth program albert@spenarnc.xs4all.nl (Albert van der Horst) - 2013-07-20 12:36 +0000
      Re: Request for comments on a first forth program Christian Kellermann <ckeen@necronomicon.my.domain> - 2013-07-20 21:53 +0200
      Re: Request for comments on a first forth program Coos Haak <chforth@hccnet.nl> - 2013-07-21 02:02 +0200
        Re: Request for comments on a first forth program "Elizabeth D. Rather" <erather@forth.com> - 2013-07-20 17:18 -1000
      Re: Request for comments on a first forth program Ian Osgood <iano@quirkster.com> - 2013-07-23 16:07 -0700
    Re: Request for comments on a first forth program Christian Kellermann <ckeen@necronomicon.my.domain> - 2013-07-20 21:48 +0200
  Re: Request for comments on a first forth program stephenXXX@mpeforth.com (Stephen Pelc) - 2013-07-20 12:18 +0000
    Re: Request for comments on a first forth program Christian Kellermann <ckeen@necronomicon.my.domain> - 2013-07-20 21:57 +0200
      Re: Request for comments on a first forth program "Elizabeth D. Rather" <erather@forth.com> - 2013-07-20 11:24 -1000
    Re: Request for comments on a first forth program Christian Kellermann <ckeen@pestilenz.org> - 2013-07-22 15:53 +0200
      Re: Request for comments on a first forth program m.a.m.hendrix@tue.nl - 2013-07-22 08:06 -0700
        Re: Request for comments on a first forth program albert@spenarnc.xs4all.nl (Albert van der Horst) - 2013-07-22 19:35 +0000
          Re: Request for comments on a first forth program m.a.m.hendrix@tue.nl - 2013-07-23 00:41 -0700
          Re: Request for comments on a first forth program Christian Kellermann <ckeen@pestilenz.org> - 2013-07-23 12:00 +0200
            Re: Request for comments on a first forth program albert@spenarnc.xs4all.nl (Albert van der Horst) - 2013-07-23 12:10 +0000
              Re: Request for comments on a first forth program Christian Kellermann <ckeen@pestilenz.org> - 2013-07-23 14:19 +0200
              Re: Request for comments on a first forth program stephenXXX@mpeforth.com (Stephen Pelc) - 2013-07-24 09:27 +0000
            Re: Request for comments on a first forth program anton@mips.complang.tuwien.ac.at (Anton Ertl) - 2013-07-23 13:44 +0000
  Re: Request for comments on a first forth program hughaguilar96@yahoo.com - 2013-07-20 20:02 -0700
    Re: Request for comments on a first forth program albert@spenarnc.xs4all.nl (Albert van der Horst) - 2013-07-21 03:36 +0000
      Re: Request for comments on a first forth program hughaguilar96@yahoo.com - 2013-07-20 22:28 -0700
        Re: Request for comments on a first forth program albert@spenarnc.xs4all.nl (Albert van der Horst) - 2013-07-21 10:31 +0000
    Re: Request for comments on a first forth program rickman <gnuarm@gmail.com> - 2013-07-20 23:41 -0400
  Re: Request for comments on a first forth program anton@mips.complang.tuwien.ac.at (Anton Ertl) - 2013-07-22 15:36 +0000
  Re: Request for comments on a first forth program Lars Brinkhoff <lars.spam@nocrew.org> - 2013-07-23 12:22 +0200
    Re: Request for comments on a first forth program Christian Kellermann <ckeen@pestilenz.org> - 2013-07-23 13:44 +0200
      Re: Request for comments on a first forth program albert@spenarnc.xs4all.nl (Albert van der Horst) - 2013-07-23 12:26 +0000
    Re: Request for comments on a first forth program "Elizabeth D. Rather" <erather@forth.com> - 2013-07-23 07:10 -1000
    Re: Request for comments on a first forth program stephenXXX@mpeforth.com (Stephen Pelc) - 2013-07-24 09:30 +0000

csiph-web