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Groups > comp.lang.forth > #15924

Re: Olympic Spririt for Forth

From Paul Rubin <no.email@nospam.invalid>
Newsgroups comp.lang.forth
Subject Re: Olympic Spririt for Forth
References (9 earlier) <8997734.FPiUxMsVlB@sunwukong.fritz.box> <7xbogk71fc.fsf@ruckus.brouhaha.com> <1599725.MmvXeDaymt@sunwukong.fritz.box> <7xmx03bclp.fsf@ruckus.brouhaha.com> <1797229.DCWuoRaQ3N@sunwukong.fritz.box>
Date 2012-10-04 12:41 -0700
Message-ID <7x4nmauisn.fsf@ruckus.brouhaha.com> (permalink)
Organization Nightsong/Fort GNOX

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Bernd Paysan <bernd.paysan@gmx.de> writes:
> In Forth, you write a program which draws the robot, you don't write an 
> interpreter for complex nested robot data structures.  The program is 
> nested.

So what do you do if you want to describe a few different robots in the
program?  Write separate programs for each?  

>> compare its sophistication to something like Unity3D.
> You know that we don't do the "breakfast machine" in Forth.  We try to 
> write to the point, not to all possible future extensions.  We can 
> extend our systems as we go.

But all the features in Unity3D are there because somebody wanted them.
And if you're making a toolkit for other people to use, I think you
really do have to anticipate their requirements.

> The homepage of Glforth (Gerald Wodni's game engine) is here:
> http://www.complang.tuwien.ac.at/anton/lvas/stack-abgaben/07w/glforth/

This looks nice.

>> Forth though has no machine-checked types at all... spend a lot of time
>> tediously debugging.
> No, you just write your program piecemeal, and debug a few additional 
> word at a time.

But then you end up modifying the code and that usually introduces
errors, so you're back to debugging.

> Furthermore, we don't really have that many types in 
> Forth, so the most likely confusion is between integers and floats.

Don't forget addresses and xt's, which are easy to get confused with
data.  And I don't think Forth's lack of strings, arrays, associative
tables, closures, etc. help its attractiveness to programmers used to
such newfangled conveniences.

> I probably would use string.fs from Gforth; it's not really difficult to 
> add reasonable string handling to Forth.

I'd think reasonable string handling absolutely has to use garbage
collection (or at least, C++-style finalization on exit from a scope) to
clean up the intermediate results of complex string manipulation.
If strings.fs does that then it's interesting.

> As I said, it's probably a skill issue.  Just look for people who have 
> experience in incrementally and quickly compiling code at run-time, and 
> you end up finding Forth implementers.

Oh come on, there just aren't that many Forth programmers.  Lisp systems
have done on-the-fly compilation since the dawn of time, Java probably
uses the best-known JIT, etc.  

>> Rust is really a more advanced language than Java or C++.
> Somewhat, yes.  But it's still an ahead-of-time compiled language.  I 
> don't consider ahead-of-time compiled languages (as only option) as 
> "advanced".  Less retarded, maybe, is the right word.

Meh, once you've got a fast build system (maybe not possible for certain
styles of C++ but quite reasonable for other languages), ahead-of-time
is fine.

> I'm usually not trying to reinvent wheels which are actually good.  So 
> maybe I will just use Lua as the high level scripting language for 
> net2o.

Probably a reasonable choice.  Lua has some traction, has a very nice
embeddable implementation, and is lightweight and efficient.  I'm not
that crazy about the Lua language itself but I think alternatives
(mostly Lisp-based, like Guile) will probably stay unpopular.

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Thread

Olympic Spririt for Forth "Paul E. Bennett" <Paul_E.Bennett@topmail.co.uk> - 2012-09-15 22:28 +0100
  Re: Olympic Spririt for Forth Mark Wills <forthfreak@gmail.com> - 2012-09-18 02:08 -0700
    Re: Olympic Spririt for Forth anton@mips.complang.tuwien.ac.at (Anton Ertl) - 2012-09-18 11:58 +0000
      Re: Olympic Spririt for Forth Mark Wills <forthfreak@gmail.com> - 2012-09-18 05:55 -0700
        Re: Olympic Spririt for Forth anton@mips.complang.tuwien.ac.at (Anton Ertl) - 2012-09-19 12:50 +0000
        Re: Olympic Spririt for Forth theoriginalsnial@gmail.com - 2012-10-06 01:40 -0700
          Re: Olympic Spririt for Forth "A. K." <akk@nospam.org> - 2012-10-06 11:18 +0200
    Re: Olympic Spririt for Forth Spam@ControlQ.com - 2012-09-18 11:13 -0400
    Re: Olympic Spririt for Forth Hugh Aguilar <hughaguilar96@yahoo.com> - 2012-09-19 15:56 -0700
    Re: Olympic Spririt for Forth theoriginalsnial@gmail.com - 2012-09-29 00:56 -0700
      Re: Olympic Spririt for Forth rickman <gnuarm@gmail.com> - 2012-09-30 12:31 -0400
        Re: Olympic Spririt for Forth Paul Rubin <no.email@nospam.invalid> - 2012-09-30 11:53 -0700
          Re: Olympic Spririt for Forth rickman <gnuarm@gmail.com> - 2012-09-30 17:38 -0400
          Re: Olympic Spririt for Forth theoriginalsnial@gmail.com - 2012-10-02 04:16 -0700
            Re: Olympic Spririt for Forth Paul Rubin <no.email@nospam.invalid> - 2012-10-02 10:52 -0700
              Re: Olympic Spririt for Forth Bernd Paysan <bernd.paysan@gmx.de> - 2012-10-02 20:20 +0200
                Re: Olympic Spririt for Forth Spam@ControlQ.com - 2012-10-02 15:58 -0400
                Re: Olympic Spririt for Forth Paul Rubin <no.email@nospam.invalid> - 2012-10-02 13:31 -0700
                Re: Olympic Spririt for Forth Bernd Paysan <bernd.paysan@gmx.de> - 2012-10-03 02:59 +0200
                Re: Olympic Spririt for Forth Paul Rubin <no.email@nospam.invalid> - 2012-10-02 19:08 -0700
                Re: Olympic Spririt for Forth Bernd Paysan <bernd.paysan@gmx.de> - 2012-10-03 15:50 +0200
                Re: Olympic Spririt for Forth anton@mips.complang.tuwien.ac.at (Anton Ertl) - 2012-10-03 14:04 +0000
                Re: Olympic Spririt for Forth Paul Rubin <no.email@nospam.invalid> - 2012-10-03 10:29 -0700
                Re: Olympic Spririt for Forth anton@mips.complang.tuwien.ac.at (Anton Ertl) - 2012-10-04 16:07 +0000
                Re: Olympic Spririt for Forth Bernd Paysan <bernd.paysan@gmx.de> - 2012-10-03 20:27 +0200
                Re: Olympic Spririt for Forth anton@mips.complang.tuwien.ac.at (Anton Ertl) - 2012-10-04 16:11 +0000
                Re: Olympic Spririt for Forth Bernd Paysan <bernd.paysan@gmx.de> - 2012-10-04 20:12 +0200
                Re: Olympic Spririt for Forth anton@mips.complang.tuwien.ac.at (Anton Ertl) - 2012-10-05 13:08 +0000
                Re: Olympic Spririt for Forth Bernd Paysan <bernd.paysan@gmx.de> - 2012-10-05 17:48 +0200
                Re: Olympic Spririt for Forth Pablo Hugo Reda <pabloreda@gmail.com> - 2012-10-03 07:39 -0700
                Re: Olympic Spririt for Forth Bernd Paysan <bernd.paysan@gmx.de> - 2012-10-03 20:24 +0200
                Re: Olympic Spririt for Forth Hugh Aguilar <hughaguilar96@yahoo.com> - 2012-10-03 18:13 -0700
                Re: Olympic Spririt for Forth Paul Rubin <no.email@nospam.invalid> - 2012-10-03 12:05 -0700
                Re: Olympic Spririt for Forth Bernd Paysan <bernd.paysan@gmx.de> - 2012-10-03 22:20 +0200
                Re: Olympic Spririt for Forth Paul Rubin <no.email@nospam.invalid> - 2012-10-04 12:41 -0700
                Re: Olympic Spririt for Forth Bernd Paysan <bernd.paysan@gmx.de> - 2012-10-04 22:40 +0200
                Re: Olympic Spririt for Forth Paul Rubin <no.email@nospam.invalid> - 2012-10-04 18:11 -0700
                Re: Olympic Spririt for Forth "Elizabeth D. Rather" <erather@forth.com> - 2012-10-04 15:26 -1000
                Re: Olympic Spririt for Forth Paul Rubin <no.email@nospam.invalid> - 2012-10-04 18:54 -0700
                Re: Olympic Spririt for Forth "A. K." <akk@nospam.org> - 2012-10-05 08:19 +0200
                Re: Olympic Spririt for Forth "Elizabeth D. Rather" <erather@forth.com> - 2012-10-04 22:18 -1000
                Re: Olympic Spririt for Forth Gerry Jackson <gerry@jackson9000.fsnet.co.uk> - 2012-10-05 08:20 +0100
                Re: Olympic Spririt for Forth anton@mips.complang.tuwien.ac.at (Anton Ertl) - 2012-10-05 11:08 +0000
                Re: Olympic Spririt for Forth Paul Rubin <no.email@nospam.invalid> - 2012-10-07 08:32 -0700
                Re: Olympic Spririt for Forth Bernd Paysan <bernd.paysan@gmx.de> - 2012-10-07 21:39 +0200
                Re: Olympic Spririt for Forth Paul Rubin <no.email@nospam.invalid> - 2012-10-07 21:03 -0700
                Re: Olympic Spririt for Forth Bernd Paysan <bernd.paysan@gmx.de> - 2012-10-08 19:09 +0200
                Re: Olympic Spririt for Forth Paul Rubin <no.email@nospam.invalid> - 2012-10-08 21:57 -0700
                Re: Olympic Spririt for Forth Mark Wills <forthfreak@gmail.com> - 2012-10-09 01:10 -0700
                Re: Olympic Spririt for Forth rickman <gnuarm@gmail.com> - 2012-10-09 14:12 -0400
                Re: Olympic Spririt for Forth "Paul E. Bennett" <Paul_E.Bennett@topmail.co.uk> - 2012-10-10 09:29 +0100
                Re: Olympic Spririt for Forth rickman <gnuarm@gmail.com> - 2012-10-10 21:13 -0400
                Re: Olympic Spririt for Forth Mark Wills <forthfreak@gmail.com> - 2012-10-10 02:02 -0700
                Re: Olympic Spririt for Forth rickman <gnuarm@gmail.com> - 2012-10-10 21:23 -0400
                Re: Olympic Spririt for Forth Paul Rubin <no.email@nospam.invalid> - 2012-10-10 18:24 -0700
                Re: Olympic Spririt for Forth anton@mips.complang.tuwien.ac.at (Anton Ertl) - 2012-10-11 17:21 +0000
                Re: Olympic Spririt for Forth Mark Wills <markrobertwills@yahoo.co.uk> - 2012-10-11 12:33 -0700
                Re: Olympic Spririt for Forth Mark Wills <forthfreak@gmail.com> - 2012-10-11 13:42 -0700
                Re: Olympic Spririt for Forth rickman <gnuarm@gmail.com> - 2012-10-11 18:59 -0400
                Re: Olympic Spririt for Forth "Elizabeth D. Rather" <erather@forth.com> - 2012-10-11 13:49 -1000
                Re: Olympic Spririt for Forth Bernd Paysan <bernd.paysan@gmx.de> - 2012-10-12 03:27 +0200
                Re: Olympic Spririt for Forth Paul Rubin <no.email@nospam.invalid> - 2012-10-12 19:18 -0700
                Re: Olympic Spririt for Forth Elizabeth D Rather <erather@forth.com> - 2012-10-12 18:53 -1000
                Re: Olympic Spririt for Forth Paul Rubin <no.email@nospam.invalid> - 2012-10-12 22:55 -0700
                Re: Olympic Spririt for Forth Bernd Paysan <bernd.paysan@gmx.de> - 2012-10-13 22:07 +0200
                Re: Olympic Spririt for Forth rickman <gnuarm@gmail.com> - 2012-10-13 00:56 -0400
                Re: Olympic Spririt for Forth Doug Hoffman <glidedog@gmail.com> - 2012-10-13 18:41 -0400
                Re: Olympic Spririt for Forth Paul Rubin <no.email@nospam.invalid> - 2012-10-13 16:05 -0700
                Re: Olympic Spririt for Forth Bernd Paysan <bernd.paysan@gmx.de> - 2012-10-14 02:57 +0200
                Re: Olympic Spririt for Forth Paul Rubin <no.email@nospam.invalid> - 2012-10-14 00:26 -0700
                Re: Olympic Spririt for Forth Bernd Paysan <bernd.paysan@gmx.de> - 2012-10-14 19:28 +0200
                Re: Olympic Spririt for Forth kenney@cix.compulink.co.uk - 2012-10-15 04:21 -0500
                Re: Olympic Spririt for Forth Mark Wills <markrobertwills@yahoo.co.uk> - 2012-10-14 03:17 -0700
                Re: Olympic Spririt for Forth Alex McDonald <blog@rivadpm.com> - 2012-10-14 15:43 -0700
                Re: Olympic Spririt for Forth rickman <gnuarm@gmail.com> - 2012-10-14 21:18 -0400
                Re: Olympic Spririt for Forth kenney@cix.compulink.co.uk - 2012-10-15 04:21 -0500
                Re: Olympic Spririt for Forth anton@mips.complang.tuwien.ac.at (Anton Ertl) - 2012-10-15 10:03 +0000
                Re: Olympic Spririt for Forth visualforth@rocketmail.com - 2012-10-15 04:04 -0700
                Re: Olympic Spririt for Forth "Paul E. Bennett" <Paul_E.Bennett@topmail.co.uk> - 2012-10-15 21:34 +0100
                Re: Olympic Spririt for Forth rickman <gnuarm@gmail.com> - 2012-10-15 17:51 -0400
                Re: Olympic Spririt for Forth Mark Wills <forthfreak@gmail.com> - 2012-10-16 01:09 -0700
                Re: Olympic Spririt for Forth visualforth@rocketmail.com - 2012-10-16 02:15 -0700
                Re: Olympic Spririt for Forth visualforth@rocketmail.com - 2012-10-16 02:30 -0700
                Re: Olympic Spririt for Forth rickman <gnuarm@gmail.com> - 2012-10-16 15:18 -0400
                Re: Olympic Spririt for Forth rickman <gnuarm@gmail.com> - 2012-10-14 21:05 -0400
                Re: Olympic Spririt for Forth Paul Rubin <no.email@nospam.invalid> - 2012-10-14 18:19 -0700
                Re: Olympic Spririt for Forth rickman <gnuarm@gmail.com> - 2012-10-15 17:58 -0400
                Re: Olympic Spririt for Forth Paul Rubin <no.email@nospam.invalid> - 2012-10-15 15:21 -0700
                Re: Olympic Spririt for Forth rickman <gnuarm@gmail.com> - 2012-10-15 18:51 -0400
                Re: Olympic Spririt for Forth Paul Rubin <no.email@nospam.invalid> - 2012-10-15 17:20 -0700
                Re: Olympic Spririt for Forth "Paul E. Bennett" <Paul_E.Bennett@topmail.co.uk> - 2012-10-12 22:41 +0100
                Re: Olympic Spririt for Forth "Paul E. Bennett" <Paul_E.Bennett@topmail.co.uk> - 2012-10-12 22:24 +0100
                Re: Olympic Spririt for Forth Mark Wills <forthfreak@gmail.com> - 2012-10-09 01:20 -0700
                Re: Olympic Spririt for Forth Paul Rubin <no.email@nospam.invalid> - 2012-10-09 08:56 -0700
                Re: Olympic Spririt for Forth Andrew Haley <andrew29@littlepinkcloud.invalid> - 2012-10-09 11:14 -0500
                Re: Olympic Spririt for Forth Bernd Paysan <bernd.paysan@gmx.de> - 2012-10-09 22:47 +0200
                Re: Olympic Spririt for Forth Paul Rubin <no.email@nospam.invalid> - 2012-10-09 18:31 -0700
                Re: Olympic Spririt for Forth Andrew Haley <andrew29@littlepinkcloud.invalid> - 2012-10-09 22:55 -0500
                Re: Olympic Spririt for Forth Mark Wills <forthfreak@gmail.com> - 2012-10-09 01:04 -0700
                Re: Olympic Spririt for Forth Bernd Paysan <bernd.paysan@gmx.de> - 2012-10-09 17:30 +0200
                Re: Olympic Spririt for Forth "Elizabeth D. Rather" <erather@forth.com> - 2012-10-04 11:31 -1000
                Re: Olympic Spririt for Forth kenney@cix.compulink.co.uk - 2012-10-03 16:53 -0500
                Re: Olympic Spririt for Forth Paul Rubin <no.email@nospam.invalid> - 2012-10-03 16:50 -0700
                Re: Olympic Spririt for Forth Hugh Aguilar <hughaguilar96@yahoo.com> - 2012-10-03 18:06 -0700
                Re: Olympic Spririt for Forth kenney@cix.compulink.co.uk - 2012-10-03 16:53 -0500
              Re: Olympic Spririt for Forth theoriginalsnial@gmail.com - 2012-10-03 00:38 -0700
                Re: Olympic Spririt for Forth Paul Rubin <no.email@nospam.invalid> - 2012-10-03 02:06 -0700
                Re: Olympic Spririt for Forth theoriginalsnial@gmail.com - 2012-10-03 03:38 -0700
                Re: Olympic Spririt for Forth Paul Rubin <no.email@nospam.invalid> - 2012-10-03 13:40 -0700
                Re: Olympic Spririt for Forth theoriginalsnial@gmail.com - 2012-10-04 01:00 -0700
                Re: Olympic Spririt for Forth "Elizabeth D. Rather" <erather@forth.com> - 2012-10-03 22:32 -1000
                Re: Olympic Spririt for Forth theoriginalsnial@gmail.com - 2012-10-04 04:49 -0700
                Re: Olympic Spririt for Forth Mark Wills <forthfreak@gmail.com> - 2012-10-04 01:35 -0700
                Re: Olympic Spririt for Forth Howerd <howerdo@yahoo.co.uk> - 2012-10-06 06:17 -0700
                Re: Olympic Spririt for Forth arc <arc.deletethis@vorsicht-bissig.de> - 2012-10-07 23:45 +1300
                Re: Olympic Spririt for Forth theoriginalsnial@gmail.com - 2012-10-10 09:34 -0700
                Re: Olympic Spririt for Forth Mark Wills <forthfreak@gmail.com> - 2012-10-10 12:16 -0700
                Re: Olympic Spririt for Forth Andrew Haley <andrew29@littlepinkcloud.invalid> - 2012-10-10 20:04 -0500
                Re: Olympic Spririt for Forth Paul Rubin <no.email@nospam.invalid> - 2012-10-04 11:41 -0700
                Re: Olympic Spririt for Forth theoriginalsnial@gmail.com - 2012-10-05 12:29 -0700
                Re: Olympic Spririt for Forth Paul Rubin <no.email@nospam.invalid> - 2012-10-06 19:26 -0700
                Re: Olympic Spririt for Forth albert@spenarnc.xs4all.nl (Albert van der Horst) - 2012-10-05 19:09 +0000
            Re: Olympic Spririt for Forth "Paul E. Bennett" <Paul_E.Bennett@topmail.co.uk> - 2012-10-02 22:03 +0100
            Re: Olympic Spririt for Forth Ilya Tarasov <ilya74.tarasov@gmail.com> - 2012-10-06 08:30 -0700
  Re: Olympic Spririt for Forth ilya74.tarasov@gmail.com - 2012-09-29 07:09 -0700
  Re: Olympic Spririt for Forth visualforth@rocketmail.com - 2012-10-09 14:30 -0700
    Re: Olympic Spririt for Forth rickman <gnuarm@gmail.com> - 2012-10-09 18:27 -0400
      Re: Olympic Spririt for Forth "Paul E. Bennett" <Paul_E.Bennett@topmail.co.uk> - 2012-10-10 09:46 +0100
      Re: Olympic Spririt for Forth visualforth@rocketmail.com - 2012-10-10 03:52 -0700
        Re: Olympic Spririt for Forth Paul Rubin <no.email@nospam.invalid> - 2012-10-10 06:01 -0700
          Re: Olympic Spririt for Forth visualforth@rocketmail.com - 2012-10-10 07:42 -0700
            Re: Olympic Spririt for Forth theoriginalsnial@gmail.com - 2012-10-10 09:10 -0700
            Re: Olympic Spririt for Forth Paul Rubin <no.email@nospam.invalid> - 2012-10-10 10:34 -0700
              Re: Olympic Spririt for Forth visualforth@rocketmail.com - 2012-10-11 17:17 -0700
                Re: Olympic Spririt for Forth rickman <gnuarm@gmail.com> - 2012-10-13 01:03 -0400
        Re: Olympic Spririt for Forth rickman <gnuarm@gmail.com> - 2012-10-10 21:59 -0400
          Re: Olympic Spririt for Forth Paul Rubin <no.email@nospam.invalid> - 2012-10-10 20:57 -0700
            Re: Olympic Spririt for Forth visualforth@rocketmail.com - 2012-10-11 02:05 -0700
            Re: Olympic Spririt for Forth Matthias Koch <koch@pci.uni-hannover.de> - 2012-10-15 11:20 +0200
          Re: Olympic Spririt for Forth albert@spenarnc.xs4all.nl (Albert van der Horst) - 2012-10-15 11:53 +0000
            Re: Olympic Spririt for Forth Paul Rubin <no.email@nospam.invalid> - 2012-10-15 08:52 -0700
              Re: Olympic Spririt for Forth visualforth@rocketmail.com - 2012-10-15 11:53 -0700
                Re: Olympic Spririt for Forth rickman <gnuarm@gmail.com> - 2012-10-15 18:00 -0400

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