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Re: The current object (was: Went open source with my GA144 ...)

From Bernd Paysan <bernd.paysan@gmx.de>
Newsgroups comp.lang.forth
Subject Re: The current object (was: Went open source with my GA144 ...)
Date 2013-05-02 19:58 +0200
Organization 1&1 Internet AG
Message-ID <klu9fd$ifv$1@online.de> (permalink)
References (9 earlier) <klmgcv$bcs$1@online.de> <klmji7$dm6$1@online.de> <2013May1.190138@mips.complang.tuwien.ac.at> <klsb20$7hk$1@online.de> <2013May2.162843@mips.complang.tuwien.ac.at>

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Anton Ertl wrote:

> Bernd Paysan <bernd.paysan@gmx.de> writes:
>>And it's wrong, because you miss-guessed l-size.
> 
> Well, you did not define it.

That's because I don't need to.  It doesn't matter for me.  It matters for 
you.

>>  Why should you need to
>>guess that?  That's the inconsistency with your system: You absolutely
>>need to know what's an ivar and what's a method.
> 
> So what?  I also absolutely need to know the rest of the stack effect
> of a word, so why not whether I have to pass to object on the stack or
> through the current object?

Oh, that wouldn't work, if we hadn't ways to memorize things (see below).

>>  What if you don't know?
> 
> Then I look it up.

We should add a stack effect tooltip ;-).

>>OOP
>>systems are often big enough that you don't know, and actually, a good
>>design is that you don't even need to care.  Today, l-size is a method,
>>because it walks the list and counts as it goes.  Tomorrow, someone
>>applied a microoptimization, and the list now really is an array, and
>>l-size is an
>>ivalue.  The interface to my system didn't change, but your system needs
>>an adapter to be backwards compatible.
> 
> You mean an adapter class?  No, turning L-SIZE into an access method
> is sufficient, and the instance variable is called something else
> (maybe just SIZE).

The l-prefix is only there, because I don't have a separate wordlist for 
each Java class, and I need things like that to avoid name clashes.  In 
Java, the ivar is just called size, and if there was a getter, it would be 
called getSize().  Java has conventions that allows you to memorize the 
stack effect, too.

>>You mean that's what the underlying VMs do, because you don't see that in
>>the source code.
> 
> Sure you see it in the source code: Every time you see foo.bla(...) in
> Java, you see it.  VMs have nothing to do with it.

And if it's bla(...) you don't see it, but it is still there, and the VM 
passes this to bla on the stack.  Where do you see in foo.bla(...) that foo 
is the first argument for bla?  It's not part of "...".

> There is a way to change the current object: Calling a method.  And
> the object is passed on the stack, as behooves Forth.

If "as behooves Forth" would be right, you would do it Mini-OOF-like, and 
pass the object on the stack everywhere.  But this doesn't work too well, 
which leads to the introduction of a current object and >o+o>, in your case 
used implicitely inside a method.  Forth is more pragmatic here.  I recall a 
EuroForth paper written by you where you explained how to reduce stack 
pressure.  >o o> are things to achieve that.

>>Optionally use a dot-parser recognizer to transform x.y
>>into x >o y o>.  If you are writing that recognizer, .y should be
>>transformed into >o y o> (that should be trivial).
> 
> Yes, if we had standard recognizers, I might go this route, and maybe
> we would end up with a great unified OOF.

ATM, recognizers are still too experimental to suggest standardizing them, 
but an important use case could accelerate acceptance of recognizers.

VFX's outer interpreter already has a hook for the .-parser of one of his 
many OOP systems to maintain.  This sort of hook can be used to write a 
recognizer package that runs on such systems - or to convince Stephen and 
the OOP package maintainer to switch over to recognizer stacks.

>>BTW: your code (objects.fs, I suppose this part didn't change in
>>objects2.fs) has >o and o>.  It's called enterm and exitm.  They do
>>*exactly* the same thing.  However, you compile enterm and exitm
>>automatically inside the method, which also means that if you do EXIT in a
>>method, it's a bug - you for sure need EXITM EXIT inside a method instead.
> 
> ENTERM is >O, but EXITM is O> EXIT.

Yes.  You also have ;M, which is O> ;.

> The reason for changing the current object at the start of a method
> rather than in the selector dispatch code are that it allows writing
> methods that just deal with the object on the stack (Mini-OOF-like)
> rather than using the current object (I don't think that feature is
> used much), and that the method can be called like a normal Forth word
> (e.g., you can get it's xt and EXECUTE it).

You can get the xt of an BerndOOF method or Mini-OOF2 method and EXECUTE it, 
no problem.  It for sure will apply to the current object, and the advantage 
is that you can make it take any parameters.  A lot of cases where you want 
to pass an xt has a fixed stack effect, e.g. if you want to pass something 
to MAP-WORDLIST (or any other higher order function), there won't be the 
right thing on the top of stack.

> Concerning objects2, I have considered 1) putting the current object
> in a local, 2) doing it as in objects.fs (with a value), or 3) doing
> it in the selector, and letting options 1 and 2 be configurable.
> 
> The respective advantages and disadvantages are:
> 
> 1) + no extra code for leaving
>    + EXIT works
>    + CATCH works without workarounds
>    - Instance variables cannot be used outside methods, e.g., for
>    debugging. - Locals cannot be used in methods on "high-quality" systems
>    (e.g., VFX). + Methods behave like normal Forth words
> 
> 2) - Must not use EXIT in methods
>    - Workaround for CATCH and friends necessary
>    + Instance variables can be used interactively
>    + locals can be used in methods
>    +? >O and O> can be implemented
>    + Methods behave like normal Forth words
> 
> 3) + EXIT works
>    - Workaround for CATCH and friends necessary
>    + One could have Anton-style selectors (that take the object from
>      the stack) and Bernd selectors (that take the object from the
>      current object).
>    +? >O and O> can be implemented
>    + locals can be used in methods
>    - Mini-OOF style methods don't work with such selectors
>    - Methods behave differently when called directly rather than
>      through a selector

Yes, CATCH/THROW need to be aware of the current object pointer.  It's 
probably sufficient as workaround to have

: catch  this >o catch o> ;

because something that modifies the current object on the normal return path 
is quite likely an unpleasent surprise ;-).  I wouldn't worry too much about 
Mini-OOF style methods...

>>> You may
>>> consider this inconsistent, but it's not one I worry about. And having
>>> to write THIS (or SELF) in some places is not a problem for me,
>>> either.
>>
>>But you demonstrated that this inconsistency leads to bugs without
>>intimate knowledge of the class.
> 
> Writing code that uses words without "intimate knowledge" such as the
> stack effect of the words leads to bugs, yes.  That's not specific to
> objects.fs, though, and I doubt that I can write code using BerndOOF
> instance variables and methods without knowing the stack effect, either.

The point here is that a lot of words have a stack-effect that is pretty 
easy to guess, because we have conventions for that.  SIZE is going to be ( 
-- n ) or ( -- a ) (two possibilities), SIZE@ is going to be ( a -- n ), 
SIZE! is ( n a -- ).  You don't have to look up that much.  In your case, 
SIZE could either be ( -- n ), when it's an ivar, or ( o -- n ) when it's a 
method.  We use this sort of hints all over the place, which is why Doug's : 
prefix makes sense for an OOP system where you pass the object to methods on 
the stack.

-- 
Bernd Paysan
"If you want it done right, you have to do it yourself"
http://bernd-paysan.de/

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Went open source with my GA144 simulator written in Factor "Leon (leon@koningssoftware.com)" <lkonings56@gmail.com> - 2013-04-24 04:50 -0700
  Re: Went open source with my GA144 simulator written in Factor Luca Saiu <positron@gnu.org> - 2013-04-24 14:06 +0200
    Re: Went open source with my GA144 simulator written in Factor Steve <nospam275@gmail.com> - 2013-04-29 19:12 -0700
  Re: Went open source with my GA144 simulator written in Factor m.a.m.hendrix@tue.nl - 2013-04-24 08:03 -0700
    Re: Went open source with my GA144 simulator written in Factor Mark Wills <markrobertwills@yahoo.co.uk> - 2013-04-24 08:32 -0700
    Re: Went open source with my GA144 simulator written in Factor Mark Wills <markrobertwills@yahoo.co.uk> - 2013-04-24 08:34 -0700
      Re: Went open source with my GA144 simulator written in Factor rickman <gnuarm@gmail.com> - 2013-04-24 11:52 -0400
        Re: Went open source with my GA144 simulator written in Factor Mark Wills <markrobertwills@yahoo.co.uk> - 2013-04-24 09:02 -0700
          Re: Went open source with my GA144 simulator written in Factor lkonings56@gmail.com - 2013-04-24 09:29 -0700
            Re: Went open source with my GA144 simulator written in Factor rickman <gnuarm@gmail.com> - 2013-04-24 14:22 -0400
            Re: Went open source with my GA144 simulator written in Factor mhx@iae.nl (Marcel Hendrix) - 2013-04-24 22:56 +0200
              Re: Went open source with my GA144 simulator written in Factor Mark Wills <markrobertwills@yahoo.co.uk> - 2013-04-24 14:39 -0700
                Re: Went open source with my GA144 simulator written in Factor Hugh Aguilar <hughaguilar96@yahoo.com> - 2013-04-24 19:49 -0700
              Re: Went open source with my GA144 simulator written in Factor Andrew Haley <andrew29@littlepinkcloud.invalid> - 2013-04-24 16:43 -0500
                Re: Went open source with my GA144 simulator written in Factor m.a.m.hendrix@tue.nl - 2013-04-25 01:47 -0700
                Re: Went open source with my GA144 simulator written in Factor Andrew Haley <andrew29@littlepinkcloud.invalid> - 2013-04-25 03:52 -0500
                Re: Went open source with my GA144 simulator written in Factor m.a.m.hendrix@tue.nl - 2013-04-25 03:22 -0700
              Re: Went open source with my GA144 simulator written in Factor rickman <gnuarm@gmail.com> - 2013-04-24 17:58 -0400
              Re: Went open source with my GA144 simulator written in Factor Paul Rubin <no.email@nospam.invalid> - 2013-04-25 00:36 -0700
                Re: Went open source with my GA144 simulator written in Factor lkonings56@gmail.com - 2013-04-25 02:14 -0700
                Re: Went open source with my GA144 simulator written in Factor m.a.m.hendrix@tue.nl - 2013-04-25 05:54 -0700
                Re: Went open source with my GA144 simulator written in Factor albert@spenarnc.xs4all.nl (Albert van der Horst) - 2013-04-25 13:32 +0000
              Re: Went open source with my GA144 simulator written in Factor stephenXXX@mpeforth.com (Stephen Pelc) - 2013-04-25 09:20 +0000
                Re: Went open source with my GA144 simulator written in Factor anton@mips.complang.tuwien.ac.at (Anton Ertl) - 2013-04-25 09:56 +0000
                Re: Went open source with my GA144 simulator written in Factor albert@spenarnc.xs4all.nl (Albert van der Horst) - 2013-04-25 11:48 +0000
                Re: Went open source with my GA144 simulator written in Factor Paul Rubin <no.email@nospam.invalid> - 2013-04-25 09:02 -0700
                Re: Went open source with my GA144 simulator written in Factor lkonings56@gmail.com - 2013-04-25 09:40 -0700
                Re: Went open source with my GA144 simulator written in Factor Alex McDonald <blog@rivadpm.com> - 2013-04-25 07:04 -0700
                Re: Went open source with my GA144 simulator written in Factor anton@mips.complang.tuwien.ac.at (Anton Ertl) - 2013-04-25 16:16 +0000
                Re: Went open source with my GA144 simulator written in Factor Paul Rubin <no.email@nospam.invalid> - 2013-04-26 00:11 -0700
                Re: Went open source with my GA144 simulator written in Factor Doug Hoffman <glidedog@gmail.com> - 2013-04-26 08:52 -0400
                Re: Went open source with my GA144 simulator written in Factor Roelf Toxopeus <rt4all@notthis.hetnet.nl> - 2013-04-26 17:16 +0200
                Re: Went open source with my GA144 simulator written in Factor mhx@iae.nl - 2013-04-26 12:46 -0700
                Re: Went open source with my GA144 simulator written in Factor Roelf Toxopeus <rt4all@notthis.hetnet.nl> - 2013-04-27 01:04 +0200
                Re: Went open source with my GA144 simulator written in Factor Gerry Jackson <gerry@jackson9000.fsnet.co.uk> - 2013-04-25 20:58 +0100
                Re: Went open source with my GA144 simulator written in Factor lkonings56@gmail.com - 2013-04-25 23:36 -0700
              Re: Went open source with my GA144 simulator written in Factor "WJ" <w_a_x_man@yahoo.com> - 2013-05-11 20:55 +0000
          Re: Went open source with my GA144 simulator written in Factor anton@mips.complang.tuwien.ac.at (Anton Ertl) - 2013-04-24 16:50 +0000
          Re: Went open source with my GA144 simulator written in Factor rickman <gnuarm@gmail.com> - 2013-04-24 14:13 -0400
            Re: Went open source with my GA144 simulator written in Factor Mark Wills <markrobertwills@yahoo.co.uk> - 2013-04-24 14:56 -0700
              Re: Went open source with my GA144 simulator written in Factor rickman <gnuarm@gmail.com> - 2013-04-24 18:12 -0400
                Re: Went open source with my GA144 simulator written in Factor Mark Wills <markrobertwills@yahoo.co.uk> - 2013-04-24 15:43 -0700
                Re: Went open source with my GA144 simulator written in Factor rickman <gnuarm@gmail.com> - 2013-04-24 18:49 -0400
                Re: Went open source with my GA144 simulator written in Factor AKE <assadebrahim2000@gmail.com> - 2013-04-24 16:09 -0700
                Re: Went open source with my GA144 simulator written in Factor Paul Rubin <no.email@nospam.invalid> - 2013-04-24 20:23 -0700
                Re: Went open source with my GA144 simulator written in Factor rickman <gnuarm@gmail.com> - 2013-04-25 15:41 -0400
                Re: Went open source with my GA144 simulator written in Factor Andrew Haley <andrew29@littlepinkcloud.invalid> - 2013-04-25 03:23 -0500
                Re: Went open source with my GA144 simulator written in Factor Alex McDonald <blog@rivadpm.com> - 2013-04-25 02:36 -0700
                Re: Went open source with my GA144 simulator written in Factor Doug Hoffman <glidedog@gmail.com> - 2013-04-25 07:01 -0400
                Re: Went open source with my GA144 simulator written in Factor Bernd Paysan <bernd.paysan@gmx.de> - 2013-04-25 17:56 +0200
                Re: Went open source with my GA144 simulator written in Factor Andrew Haley <andrew29@littlepinkcloud.invalid> - 2013-04-25 11:56 -0500
                Re: Went open source with my GA144 simulator written in Factor Bernd Paysan <bernd.paysan@gmx.de> - 2013-04-26 16:04 +0200
                Re: Went open source with my GA144 simulator written in Factor Andrew Haley <andrew29@littlepinkcloud.invalid> - 2013-04-26 13:02 -0500
                Re: Went open source with my GA144 simulator written in Factor Bernd Paysan <bernd.paysan@gmx.de> - 2013-04-26 21:34 +0200
                Re: Went open source with my GA144 simulator written in Factor Doug Hoffman <glidedog@gmail.com> - 2013-04-26 15:56 -0400
                Re: Went open source with my GA144 simulator written in Factor Bernd Paysan <bernd.paysan@gmx.de> - 2013-04-27 00:48 +0200
                Re: Went open source with my GA144 simulator written in Factor Andrew Haley <andrew29@littlepinkcloud.invalid> - 2013-04-26 18:21 -0500
                Re: Went open source with my GA144 simulator written in Factor Bernd Paysan <bernd.paysan@gmx.de> - 2013-04-28 02:22 +0200
                Re: Went open source with my GA144 simulator written in Factor Andrew Haley <andrew29@littlepinkcloud.invalid> - 2013-04-28 03:31 -0500
                Re: Went open source with my GA144 simulator written in Factor Doug Hoffman <glidedog@gmail.com> - 2013-04-28 06:30 -0400
                Re: Went open source with my GA144 simulator written in Factor Doug Hoffman <glidedog@gmail.com> - 2013-04-28 06:21 -0400
                Re: Went open source with my GA144 simulator written in Factor Bernd Paysan <bernd.paysan@gmx.de> - 2013-04-28 15:41 +0200
                Re: Went open source with my GA144 simulator written in Factor Roelf Toxopeus <rt4all@notthis.hetnet.nl> - 2013-04-28 16:35 +0200
                Re: Went open source with my GA144 simulator written in Factor Bernd Paysan <bernd.paysan@gmx.de> - 2013-04-29 02:37 +0200
                Re: Went open source with my GA144 simulator written in Factor Roelf Toxopeus <rt4all@notthis.hetnet.nl> - 2013-04-29 10:07 +0200
                Re: Went open source with my GA144 simulator written in Factor Bernd Paysan <bernd.paysan@gmx.de> - 2013-04-29 21:12 +0200
                Re: Went open source with my GA144 simulator written in Factor Doug Hoffman <glidedog@gmail.com> - 2013-04-29 06:26 -0400
                Re: Went open source with my GA144 simulator written in Factor Bernd Paysan <bernd.paysan@gmx.de> - 2013-04-29 21:07 +0200
                Re: Went open source with my GA144 simulator written in Factor Bernd Paysan <bernd.paysan@gmx.de> - 2013-04-29 22:01 +0200
                Re: Went open source with my GA144 simulator written in Factor Doug Hoffman <glidedog@gmail.com> - 2013-04-29 16:51 -0400
                Re: Went open source with my GA144 simulator written in Factor Bernd Paysan <bernd.paysan@gmx.de> - 2013-04-29 23:57 +0200
                Re: Went open source with my GA144 simulator written in Factor Andrew Haley <andrew29@littlepinkcloud.invalid> - 2013-04-29 17:24 -0500
                Re: Went open source with my GA144 simulator written in Factor Bernd Paysan <bernd.paysan@gmx.de> - 2013-04-30 02:16 +0200
                Re: Went open source with my GA144 simulator written in Factor Andrew Haley <andrew29@littlepinkcloud.invalid> - 2013-04-30 03:19 -0500
                Re: Went open source with my GA144 simulator written in Factor Doug Hoffman <glidedog@gmail.com> - 2013-04-29 18:40 -0400
                Re: Went open source with my GA144 simulator written in Factor Doug Hoffman <glidedog@gmail.com> - 2013-04-29 20:01 -0400
                Re: Went open source with my GA144 simulator written in Factor Bernd Paysan <bernd.paysan@gmx.de> - 2013-04-30 02:40 +0200
                Re: Went open source with my GA144 simulator written in Factor Doug Hoffman <glidedog@gmail.com> - 2013-05-01 08:58 -0400
                Re: Went open source with my GA144 simulator written in Factor Andrew Haley <andrew29@littlepinkcloud.invalid> - 2013-05-01 09:57 -0500
                Re: Went open source with my GA144 simulator written in Factor Doug Hoffman <glidedog@gmail.com> - 2013-05-02 04:24 -0400
                Re: Went open source with my GA144 simulator written in Factor Alex McDonald <blog@rivadpm.com> - 2013-05-01 07:58 -0700
                Re: Went open source with my GA144 simulator written in Factor Doug Hoffman <glidedog@gmail.com> - 2013-05-02 04:29 -0400
                Re: Went open source with my GA144 simulator written in Factor Alex McDonald <blog@rivadpm.com> - 2013-05-02 02:49 -0700
                Re: Went open source with my GA144 simulator written in Factor Doug Hoffman <glidedog@gmail.com> - 2013-05-01 08:54 -0400
                Re: Went open source with my GA144 simulator written in Factor Bernd Paysan <bernd.paysan@gmx.de> - 2013-05-01 23:59 +0200
                Re: Went open source with my GA144 simulator written in Factor Ron Aaron <rambamist@gmail.com> - 2013-04-30 06:05 +0300
                The current object (was: Went open source with my GA144 ...) anton@mips.complang.tuwien.ac.at (Anton Ertl) - 2013-05-01 17:01 +0000
                Re: The current object (was: Went open source with my GA144 ...) albert@spenarnc.xs4all.nl (Albert van der Horst) - 2013-05-01 19:20 +0000
                Re: The current object (was: Went open source with my GA144 ...) anton@mips.complang.tuwien.ac.at (Anton Ertl) - 2013-05-02 17:02 +0000
                Re: The current object (was: Went open source with my GA144 ...) Bernd Paysan <bernd.paysan@gmx.de> - 2013-05-02 02:12 +0200
                Re: The current object Doug Hoffman <glidedog@gmail.com> - 2013-05-02 04:52 -0400
                Re: The current object Andrew Haley <andrew29@littlepinkcloud.invalid> - 2013-05-02 04:31 -0500
                Re: The current object Bernd Paysan <bernd.paysan@gmx.de> - 2013-05-02 18:25 +0200
                Re: The current object anton@mips.complang.tuwien.ac.at (Anton Ertl) - 2013-05-02 16:58 +0000
                Re: The current object Bernd Paysan <bernd.paysan@gmx.de> - 2013-05-02 22:26 +0200
                Re: The current object anton@mips.complang.tuwien.ac.at (Anton Ertl) - 2013-05-06 14:52 +0000
                Re: The current object Bernd Paysan <bernd.paysan@gmx.de> - 2013-05-07 03:47 +0200
                Re: The current object anton@mips.complang.tuwien.ac.at (Anton Ertl) - 2013-05-07 15:22 +0000
                Re: The current object Andrew Haley <andrew29@littlepinkcloud.invalid> - 2013-05-02 12:12 -0500
                Re: The current object Bernd Paysan <bernd.paysan@gmx.de> - 2013-05-02 21:56 +0200
                Re: The current object Andrew Haley <andrew29@littlepinkcloud.invalid> - 2013-05-03 03:19 -0500
                Re: The current object Doug Hoffman <glidedog@gmail.com> - 2013-05-03 06:54 -0400
                Re: The current object (was: Went open source with my GA144 ...) anton@mips.complang.tuwien.ac.at (Anton Ertl) - 2013-05-02 14:28 +0000
                Re: The current object (was: Went open source with my GA144 ...) Bernd Paysan <bernd.paysan@gmx.de> - 2013-05-02 19:58 +0200
                Re: The current object (was: Went open source with my GA144 ...) anton@mips.complang.tuwien.ac.at (Anton Ertl) - 2013-05-03 16:50 +0000
                Re: The current object (was: Went open source with my GA144 ...) Bernd Paysan <bernd.paysan@gmx.de> - 2013-05-04 18:58 +0200
                Re: The current object Andrew Haley <andrew29@littlepinkcloud.invalid> - 2013-05-04 13:35 -0500
                Re: The current object Bernd Paysan <bernd.paysan@gmx.de> - 2013-05-05 01:08 +0200
                Re: The current object Andrew Haley <andrew29@littlepinkcloud.invalid> - 2013-05-04 18:29 -0500
                Re: The current object Bernd Paysan <bernd.paysan@gmx.de> - 2013-05-05 03:00 +0200
                Re: The current object Andrew Haley <andrew29@littlepinkcloud.invalid> - 2013-05-05 03:48 -0500
                Re: The current object Bernd Paysan <bernd.paysan@gmx.de> - 2013-05-05 23:15 +0200
                Re: The current object Andrew Haley <andrew29@littlepinkcloud.invalid> - 2013-05-06 05:01 -0500
                Re: The current object Bernd Paysan <bernd.paysan@gmx.de> - 2013-05-07 03:23 +0200
                Re: The current object Andrew Haley <andrew29@littlepinkcloud.invalid> - 2013-05-07 03:39 -0500
                Re: The current object Bernd Paysan <bernd.paysan@gmx.de> - 2013-05-07 19:00 +0200
                Re: The current object Andrew Haley <andrew29@littlepinkcloud.invalid> - 2013-05-07 13:34 -0500
                Re: The current object Bernd Paysan <bernd.paysan@gmx.de> - 2013-05-07 22:00 +0200
                Re: The current object anton@mips.complang.tuwien.ac.at (Anton Ertl) - 2013-05-08 07:26 +0000
                Re: The current object Doug Hoffman <glidedog@gmail.com> - 2013-05-05 06:39 -0400
                Re: The current object Andrew Haley <andrew29@littlepinkcloud.invalid> - 2013-05-05 09:15 -0500
                Re: The current object Paul Rubin <no.email@nospam.invalid> - 2013-05-05 09:25 -0700
                Re: The current object Andrew Haley <andrew29@littlepinkcloud.invalid> - 2013-05-05 11:43 -0500
                Re: The current object Paul Rubin <no.email@nospam.invalid> - 2013-05-05 09:59 -0700
                Re: The current object Andrew Haley <andrew29@littlepinkcloud.invalid> - 2013-05-06 05:06 -0500
                Re: The current object Mark Wills <forthfreak@gmail.com> - 2013-05-06 00:19 -0700
                Re: The current object "WJ" <w_a_x_man@yahoo.com> - 2013-05-13 22:45 +0000
                Re: The current object Doug Hoffman <glidedog@gmail.com> - 2013-05-05 06:39 -0400
                Re: The current object Bernd Paysan <bernd.paysan@gmx.de> - 2013-05-05 23:40 +0200
                Re: The current object Doug Hoffman <glidedog@gmail.com> - 2013-05-05 06:39 -0400
                Re: The current object Bernd Paysan <bernd.paysan@gmx.de> - 2013-05-05 23:29 +0200
                Re: The current object Andrew Haley <andrew29@littlepinkcloud.invalid> - 2013-05-06 05:10 -0500
                Re: The current object Doug Hoffman <glidedog@gmail.com> - 2013-05-08 07:35 -0400
                Re: The current object Bernd Paysan <bernd.paysan@gmx.de> - 2013-05-09 00:06 +0200
                Re: The current object Doug Hoffman <glidedog@gmail.com> - 2013-05-09 06:41 -0400
                Re: The current object Bernd Paysan <bernd.paysan@gmx.de> - 2013-05-11 21:31 +0200
                Re: The current object Doug Hoffman <glidedog@gmail.com> - 2013-05-12 07:40 -0400
                Re: The current object Bernd Paysan <bernd.paysan@gmx.de> - 2013-05-14 01:10 +0200
                Re: The current object Andrew Haley <andrew29@littlepinkcloud.invalid> - 2013-05-14 03:58 -0500
                Re: The current object anton@mips.complang.tuwien.ac.at (Anton Ertl) - 2013-05-14 14:51 +0000
                Re: The current object Andrew Haley <andrew29@littlepinkcloud.invalid> - 2013-05-15 03:48 -0500
                Re: The current object Bernd Paysan <bernd.paysan@gmx.de> - 2013-05-14 18:37 +0200
                Re: The current object Andrew Haley <andrew29@littlepinkcloud.invalid> - 2013-05-14 14:42 -0500
                Re: The current object Bernd Paysan <bernd.paysan@gmx.de> - 2013-05-15 00:22 +0200
                Re: The current object Andrew Haley <andrew29@littlepinkcloud.invalid> - 2013-05-15 02:56 -0500
                Re: The current object stephenXXX@mpeforth.com (Stephen Pelc) - 2013-05-15 13:52 +0000
                Re: The current object Bernd Paysan <bernd.paysan@gmx.de> - 2013-05-15 17:58 +0200
                Re: The current object johno <email@address.com> - 2013-05-15 22:38 +0100
                Re: The current object Doug Hoffman <glidedog@gmail.com> - 2013-05-14 06:27 -0400
                Re: The current object albert@spenarnc.xs4all.nl (Albert van der Horst) - 2013-05-09 16:06 +0000
                Re: The current object (was: Went open source with my GA144 ...) anton@mips.complang.tuwien.ac.at (Anton Ertl) - 2013-05-06 16:12 +0000
                Re: The current object (was: Went open source with my GA144 ...) Alex McDonald <blog@rivadpm.com> - 2013-05-06 10:25 -0700
                Re: The current object (was: Went open source with my GA144 ...) Bernd Paysan <bernd.paysan@gmx.de> - 2013-05-07 04:00 +0200
                Re: The current object (was: Went open source with my GA144 ...) anton@mips.complang.tuwien.ac.at (Anton Ertl) - 2013-05-07 15:02 +0000
                Re: The current object (was: Went open source with my GA144 ...) Bernd Paysan <bernd.paysan@gmx.de> - 2013-05-07 04:09 +0200
                Re: The current object Andrew Haley <andrew29@littlepinkcloud.invalid> - 2013-05-07 03:41 -0500
                Re: The current object Bernd Paysan <bernd.paysan@gmx.de> - 2013-05-07 19:02 +0200
                Re: The current object (was: Went open source with my GA144 ...) anton@mips.complang.tuwien.ac.at (Anton Ertl) - 2013-05-07 14:33 +0000
                Re: The current object (was: Went open source with my GA144 ...) Bernd Paysan <bernd.paysan@gmx.de> - 2013-05-07 19:40 +0200
                Re: The current object Bernd Paysan <bernd.paysan@gmx.de> - 2013-05-15 16:46 +0200
                Re: The current object Andrew Haley <andrew29@littlepinkcloud.invalid> - 2013-05-15 13:11 -0500
                Re: The current object Bernd Paysan <bernd.paysan@gmx.de> - 2013-05-15 23:23 +0200
                Re: The current object Andrew Haley <andrew29@littlepinkcloud.invalid> - 2013-05-16 02:24 -0500
                Re: The current object anton@mips.complang.tuwien.ac.at (Anton Ertl) - 2013-05-16 13:55 +0000
                Re: The current object Bernd Paysan <bernd.paysan@gmx.de> - 2013-05-16 17:45 +0200
                OO dispatch (was: The current object) anton@mips.complang.tuwien.ac.at (Anton Ertl) - 2013-05-16 14:07 +0000
                Re: Went open source with my GA144 simulator written in Factor Mark Wills <markrobertwills@yahoo.co.uk> - 2013-04-27 00:42 -0700
                Re: Went open source with my GA144 simulator written in Factor albert@spenarnc.xs4all.nl (Albert van der Horst) - 2013-04-27 09:09 +0000
                Re: Went open source with my GA144 simulator written in Factor Mark Wills <markrobertwills@yahoo.co.uk> - 2013-04-27 02:28 -0700
                Re: Went open source with my GA144 simulator written in Factor Andrew Haley <andrew29@littlepinkcloud.invalid> - 2013-04-27 04:52 -0500
                Re: Went open source with my GA144 simulator written in Factor Bernd Paysan <bernd.paysan@gmx.de> - 2013-04-28 02:24 +0200
                Re: Went open source with my GA144 simulator written in Factor Doug Hoffman <glidedog@gmail.com> - 2013-04-27 06:18 -0400
                Re: Went open source with my GA144 simulator written in Factor Andrew Haley <andrew29@littlepinkcloud.invalid> - 2013-04-27 08:06 -0500
                Re: Went open source with my GA144 simulator written in Factor Doug Hoffman <glidedog@gmail.com> - 2013-04-28 07:01 -0400
                Re: Went open source with my GA144 simulator written in Factor albert@spenarnc.xs4all.nl (Albert van der Horst) - 2013-04-28 13:09 +0000
                Re: Went open source with my GA144 simulator written in Factor Doug Hoffman <glidedog@gmail.com> - 2013-04-28 09:33 -0400
                Re: Went open source with my GA144 simulator written in Factor Alex McDonald <blog@rivadpm.com> - 2013-04-28 08:34 -0700
                Re: Went open source with my GA144 simulator written in Factor Alex McDonald <blog@rivadpm.com> - 2013-04-28 08:37 -0700
                Re: Went open source with my GA144 simulator written in Factor Bernd Paysan <bernd.paysan@gmx.de> - 2013-04-30 18:30 +0200
                Re: Went open source with my GA144 simulator written in Factor rickman <gnuarm@gmail.com> - 2013-04-25 15:47 -0400
                Re: Went open source with my GA144 simulator written in Factor AKE <assadebrahim2000@gmail.com> - 2013-04-25 13:39 -0700
                Re: Went open source with my GA144 simulator written in Factor AKE <assadebrahim2000@gmail.com> - 2013-04-25 13:51 -0700
                Re: Went open source with my GA144 simulator written in Factor Andrew Haley <andrew29@littlepinkcloud.invalid> - 2013-04-25 16:43 -0500
                Re: Went open source with my GA144 simulator written in Factor rickman <gnuarm@gmail.com> - 2013-04-26 13:44 -0400
                Re: Went open source with my GA144 simulator written in Factor Andrew Haley <andrew29@littlepinkcloud.invalid> - 2013-04-26 13:11 -0500
  Re: Went open source with my GA144 simulator written in Factor rickman <gnuarm@gmail.com> - 2013-04-24 11:50 -0400
    Re: Went open source with my GA144 simulator written in Factor albert@spenarnc.xs4all.nl (Albert van der Horst) - 2013-04-24 18:28 +0000
      Re: Went open source with my GA144 simulator written in Factor rickman <gnuarm@gmail.com> - 2013-04-24 15:05 -0400
  Re: Went open source with my GA144 simulator written in Factor Paul Rubin <no.email@nospam.invalid> - 2013-04-24 09:39 -0700
  Re: Went open source with my GA144 simulator written in Factor rickman <gnuarm@gmail.com> - 2013-04-24 18:55 -0400

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