Re: Message-not-understood and stack effects

From	Bernd Paysan <bernd.paysan@gmx.de>
Newsgroups	comp.lang.forth
Subject	Re: Message-not-understood and stack effects
Date	2012-05-03 18:41 +0200
Organization	1&1 Internet AG
Message-ID	<jnucg7$t3p$1@online.de> (permalink)
References	(7 earlier) <jnqv4f$3jo$1@speranza.aioe.org> <svudneCcUr0fhzzSnZ2dnUVZ_uqdnZ2d@supernews.com> <2012May2.142342@mips.complang.tuwien.ac.at> <rZSdnez_Ta6UpzzSnZ2dnUVZ_jCdnZ2d@supernews.com> <4fa14d7a$0$295$14726298@news.sunsite.dk>

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Doug Hoffman wrote:
> What I have done is to write *one* generic proxy
> class with default benign responses to all possible GUI messages in
> the
> set.  Differing number of stack items are dropped as appropriate.
> Finally, all one has to do is write the real GUI classes and simply
> multiply inherit from the generic GUI proxy class.  In this way any
> "undefined" messages are automatically properly handled (ignored).  I
> promise that this is not an attempt to promote the use of multiple
> inheritance.  But there are times where multiple inheritance elegantly
> provides an easy solution to certain problems.

Why do you need multiple inheritance for that?  MINOS has the same 
thing, but the generic GUI class is the root GUI class, the one that 
defines the interface. As all other GUI classes are derived from this 
class, they inherit a useful set of default methods for things they 
don't handle themselves.

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

Thread

Message-not-understood and stack effects anton@mips.complang.tuwien.ac.at (Anton Ertl) - 2012-04-17 13:16 +0000
  Re: Message-not-understood and stack effects "A. K." <akk@nospam.org> - 2012-04-17 18:20 +0200
    Re: Message-not-understood and stack effects anton@mips.complang.tuwien.ac.at (Anton Ertl) - 2012-04-17 16:37 +0000
      Re: Message-not-understood and stack effects vandys@vsta.org - 2012-04-17 17:43 +0000
      Re: Message-not-understood and stack effects Alex McDonald <blog@rivadpm.com> - 2012-04-17 10:40 -0700
  Re: Message-not-understood and stack effects Andrew Haley <andrew29@littlepinkcloud.invalid> - 2012-04-17 12:41 -0500
    Re: Message-not-understood and stack effects anton@mips.complang.tuwien.ac.at (Anton Ertl) - 2012-04-18 09:48 +0000
      Re: Message-not-understood and stack effects Andrew Haley <andrew29@littlepinkcloud.invalid> - 2012-04-18 05:59 -0500
        Re: Message-not-understood and stack effects John Passaniti <john.passaniti@gmail.com> - 2012-04-18 08:52 -0700
        Re: Message-not-understood and stack effects anton@mips.complang.tuwien.ac.at (Anton Ertl) - 2012-04-19 11:47 +0000
          Re: Message-not-understood and stack effects Andrew Haley <andrew29@littlepinkcloud.invalid> - 2012-04-19 07:50 -0500
            Re: Message-not-understood and stack effects John Passaniti <john.passaniti@gmail.com> - 2012-04-19 07:14 -0700
              Re: Message-not-understood and stack effects Andrew Haley <andrew29@littlepinkcloud.invalid> - 2012-04-19 09:31 -0500
            Re: Message-not-understood and stack effects Bernd Paysan <bernd.paysan@gmx.de> - 2012-04-19 19:31 +0200
            Re: Message-not-understood and stack effects anton@mips.complang.tuwien.ac.at (Anton Ertl) - 2012-04-20 10:17 +0000
              Re: Message-not-understood and stack effects John Passaniti <john.passaniti@gmail.com> - 2012-04-20 07:52 -0700
                Re: Message-not-understood and stack effects anton@mips.complang.tuwien.ac.at (Anton Ertl) - 2012-04-20 15:26 +0000
                Re: Message-not-understood and stack effects John Passaniti <john.passaniti@gmail.com> - 2012-04-24 06:09 -0700
                Re: Message-not-understood and stack effects anton@mips.complang.tuwien.ac.at (Anton Ertl) - 2012-04-24 16:52 +0000
                Re: Message-not-understood and stack effects John Passaniti <john.passaniti@gmail.com> - 2012-04-28 18:38 -0700
                Re: Message-not-understood and stack effects "Rod Pemberton" <do_not_have@notemailnot.cmm> - 2012-04-29 00:19 -0400
                Re: Message-not-understood and stack effects John Passaniti <john.passaniti@gmail.com> - 2012-04-29 11:16 -0700
                Re: Message-not-understood and stack effects "Rod Pemberton" <do_not_have@notemailnot.cmm> - 2012-04-29 21:55 -0400
                Re: Message-not-understood and stack effects John Passaniti <john.passaniti@gmail.com> - 2012-05-01 14:44 -0700
                Re: Message-not-understood and stack effects "Rod Pemberton" <do_not_have@notemailnot.cmm> - 2012-05-02 05:35 -0400
                Re: Message-not-understood and stack effects Andrew Haley <andrew29@littlepinkcloud.invalid> - 2012-05-02 06:29 -0500
                Re: Message-not-understood and stack effects anton@mips.complang.tuwien.ac.at (Anton Ertl) - 2012-05-02 12:23 +0000
                Re: Message-not-understood and stack effects Andrew Haley <andrew29@littlepinkcloud.invalid> - 2012-05-02 08:43 -0500
                Re: Message-not-understood and stack effects Doug Hoffman <glidedog@gmail.com> - 2012-05-02 11:06 -0400
                Re: Message-not-understood and stack effects Bernd Paysan <bernd.paysan@gmx.de> - 2012-05-03 18:41 +0200
                Re: Message-not-understood and stack effects Doug Hoffman <glidedog@gmail.com> - 2012-05-03 13:07 -0400
                Re: Message-not-understood and stack effects Bernd Paysan <bernd.paysan@gmx.de> - 2012-05-04 02:46 +0200
                Re: Message-not-understood and stack effects Doug Hoffman <glidedog@gmail.com> - 2012-05-03 22:09 -0400
                Re: Message-not-understood and stack effects anton@mips.complang.tuwien.ac.at (Anton Ertl) - 2012-05-03 09:14 +0000
                Re: Message-not-understood and stack effects Andrew Haley <andrew29@littlepinkcloud.invalid> - 2012-05-03 04:33 -0500
                Re: Message-not-understood and stack effects Mark Wills <markrobertwills@yahoo.co.uk> - 2012-05-02 12:58 -0700
                Re: Message-not-understood and stack effects vandys@vsta.org - 2012-05-02 20:43 +0000
                Re: Message-not-understood and stack effects Mark Wills <markrobertwills@yahoo.co.uk> - 2012-05-02 13:48 -0700
                Re: Message-not-understood and stack effects John Passaniti <john.passaniti@gmail.com> - 2012-05-03 10:42 -0700
                TypoForth (was: Message-not-understood and stack effects) anton@mips.complang.tuwien.ac.at (Anton Ertl) - 2012-04-30 13:47 +0000
                Re: TypoForth (was: Message-not-understood and stack effects) BruceMcF <agila61@netscape.net> - 2012-04-30 08:38 -0700
                Re: TypoForth (was: Message-not-understood and stack effects) anton@mips.complang.tuwien.ac.at (Anton Ertl) - 2012-04-30 16:23 +0000
                Re: TypoForth (was: Message-not-understood and stack effects) BruceMcF <agila61@netscape.net> - 2012-04-30 09:41 -0700
                Re: TypoForth (was: Message-not-understood and stack effects) John Passaniti <john.passaniti@gmail.com> - 2012-05-01 14:53 -0700
  Re: Message-not-understood and stack effects anton@mips.complang.tuwien.ac.at (Anton Ertl) - 2012-04-21 12:34 +0000

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