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Re: quick review of <BUILDS and CREATE history

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From Bernd Paysan <bernd.paysan@gmx.de>
Newsgroups comp.lang.forth
Subject Re: quick review of <BUILDS and CREATE history
Date Sun, 26 Jan 2014 01:54:24 +0100
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Alex McDonald wrote:

> on 25/01/2014 19:18:28, Bernd Paysan wrote:
>> Anton Ertl wrote:
>>> So you can use POSTPONE RECURSE to define aliases of RECURSE:
>>>
>>> : myself postpone recurse ; immediate
>>> : test dup if dup . 1- myself then ;
>>> 5 test . \ should print "5 4 3 2 1 0"
>>>
>>> That works correctly in 0.7.0, so what do you mean with "got rid of
>>> all the odds"?
>> 
>> Ok, POSTPONE did work all right (we had to), but now you can also use
>> ['] RECURSE to get the xt of the current definition (which normally
> 
> That is plainly wrong. ' RECURSE will return a different xt than [']
> RECURSE, and ['] clearly states "The execution token returned by the
> compiled phrase "['] X" is the same value returned by "' X" outside of
> compilation state.

: test ['] recurse ; ' recurse test . . 140485567108688 140485567108688  ok

So what's the problem?

The interpretation semantics of RECURSE is by the standard undefined.  It 
does execute the last definition in current git Gforth.

I accept that if a word can be [']-ed, it also can be '-ed, and the 
interpretation semantics is identical to ' it and EXECUTE that.  All those 
conditions are met here.  RECURSE is just an alias to the current/last 
definition.

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

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quick review of <BUILDS and CREATE history "Rod Pemberton" <dont_use_email@xnohavenotit.cnm> - 2014-01-19 13:15 -0500
  Re: quick review of <BUILDS and CREATE history albert@spenarnc.xs4all.nl (Albert van der Horst) - 2014-01-19 20:07 +0000
    Re: quick review of <BUILDS and CREATE history anton@mips.complang.tuwien.ac.at (Anton Ertl) - 2014-01-19 21:45 +0000
  Re: quick review of <BUILDS and CREATE history Coos Haak <chforth@hccnet.nl> - 2014-01-19 22:02 +0100
  Re: quick review of <BUILDS and CREATE history Andrew Haley <andrew29@littlepinkcloud.invalid> - 2014-01-19 17:24 -0600
    Re: quick review of <BUILDS and CREATE history "Elizabeth D. Rather" <erather@forth.com> - 2014-01-19 14:54 -1000
      Re: quick review of <BUILDS and CREATE history "Rod Pemberton" <dont_use_email@xnohavenotit.cnm> - 2014-01-19 22:37 -0500
        Re: quick review of <BUILDS and CREATE history "Elizabeth D. Rather" <erather@forth.com> - 2014-01-19 18:01 -1000
          Re: quick review of <BUILDS and CREATE history "Rod Pemberton" <dont_use_email@xnohavenotit.cnm> - 2014-01-20 00:27 -0500
            Re: quick review of <BUILDS and CREATE history Elizabeth D Rather <erather@forth.com> - 2014-01-19 20:54 -1000
              Re: quick review of <BUILDS and CREATE history Elizabeth D Rather <erather@forth.com> - 2014-01-19 21:19 -1000
              Re: quick review of <BUILDS and CREATE history "Rod Pemberton" <dont_use_email@xnohavenotit.cnm> - 2014-01-20 16:14 -0500
                Re: quick review of <BUILDS and CREATE history Elizabeth D Rather <erather@forth.com> - 2014-01-20 12:07 -1000
                Re: quick review of <BUILDS and CREATE history "Rod Pemberton" <dont_use_email@xnohavenotit.cnm> - 2014-01-21 11:37 -0500
                Re: quick review of <BUILDS and CREATE history albert@spenarnc.xs4all.nl (Albert van der Horst) - 2014-01-21 17:41 +0000
                Re: quick review of <BUILDS and CREATE history "Elizabeth D. Rather" <erather@forth.com> - 2014-01-21 08:30 -1000
                Re: quick review of <BUILDS and CREATE history oh2aun@gmail.com - 2014-01-21 11:17 -0800
                Re: quick review of <BUILDS and CREATE history "Elizabeth D. Rather" <erather@forth.com> - 2014-01-21 09:44 -1000
                Re: quick review of <BUILDS and CREATE history "Rod Pemberton" <dont_use_email@xnohavenotit.cnm> - 2014-01-21 15:18 -0500
                Re: quick review of <BUILDS and CREATE history "Elizabeth D. Rather" <erather@forth.com> - 2014-01-21 12:07 -1000
                Re: quick review of <BUILDS and CREATE history "Rod Pemberton" <dont_use_email@xnohavenotit.cnm> - 2014-01-21 22:04 -0500
                Re: quick review of <BUILDS and CREATE history "Elizabeth D. Rather" <erather@forth.com> - 2014-01-21 19:21 -1000
                Re: quick review of <BUILDS and CREATE history anton@mips.complang.tuwien.ac.at (Anton Ertl) - 2014-01-22 13:38 +0000
                Re: quick review of <BUILDS and CREATE history "Elizabeth D. Rather" <erather@forth.com> - 2014-01-22 08:50 -1000
                Re: quick review of <BUILDS and CREATE history "Rod Pemberton" <dont_use_email@xnohavenotit.cnm> - 2014-01-23 17:17 -0500
                Re: quick review of <BUILDS and CREATE history "Elizabeth D. Rather" <erather@forth.com> - 2014-01-23 13:46 -1000
                Re: quick review of <BUILDS and CREATE history Bernd Paysan <bernd.paysan@gmx.de> - 2014-01-24 15:07 +0100
                Re: quick review of <BUILDS and CREATE history anton@mips.complang.tuwien.ac.at (Anton Ertl) - 2014-01-25 15:18 +0000
                Re: quick review of <BUILDS and CREATE history Bernd Paysan <bernd.paysan@gmx.de> - 2014-01-25 20:18 +0100
                Re: quick review of <BUILDS and CREATE history Coos Haak <chforth@hccnet.nl> - 2014-01-25 20:44 +0100
                Re: quick review of <BUILDS and CREATE history Bernd Paysan <bernd.paysan@gmx.de> - 2014-01-25 21:41 +0100
                Re: quick review of <BUILDS and CREATE history "Alex McDonald" <blog@rivadpm.com> - 2014-01-25 22:47 +0000
                Re: quick review of <BUILDS and CREATE history Bernd Paysan <bernd.paysan@gmx.de> - 2014-01-26 01:54 +0100
                Re: quick review of <BUILDS and CREATE history anton@mips.complang.tuwien.ac.at (Anton Ertl) - 2014-01-27 16:49 +0000
                Re: quick review of <BUILDS and CREATE history anton@mips.complang.tuwien.ac.at (Anton Ertl) - 2014-01-27 15:40 +0000
                Re: quick review of <BUILDS and CREATE history Bernd Paysan <bernd.paysan@gmx.de> - 2014-01-27 23:00 +0100
                Re: quick review of <BUILDS and CREATE history "Rod Pemberton" <dont_use_email@xnohavenotit.cnm> - 2014-01-27 19:43 -0500
                Re: quick review of <BUILDS and CREATE history anton@mips.complang.tuwien.ac.at (Anton Ertl) - 2014-01-28 09:25 +0000
                Re: quick review of <BUILDS and CREATE history Bernd Paysan <bernd.paysan@gmx.de> - 2014-01-28 19:45 +0100
                Re: quick review of <BUILDS and CREATE history anton@mips.complang.tuwien.ac.at (Anton Ertl) - 2014-01-30 15:32 +0000
                Re: quick review of <BUILDS and CREATE history albert@spenarnc.xs4all.nl (Albert van der Horst) - 2014-01-28 14:20 +0000
                Re: quick review of <BUILDS and CREATE history anton@mips.complang.tuwien.ac.at (Anton Ertl) - 2014-01-25 15:28 +0000
                Re: quick review of <BUILDS and CREATE history Andrew Haley <andrew29@littlepinkcloud.invalid> - 2014-01-25 13:51 -0600
                Re: quick review of <BUILDS and CREATE history anton@mips.complang.tuwien.ac.at (Anton Ertl) - 2014-01-27 15:34 +0000
                Re: quick review of <BUILDS and CREATE history Lars Brinkhoff <lars.spam@nocrew.org> - 2014-01-24 08:11 +0100
                Re: quick review of <BUILDS and CREATE history Mark Wills <markrobertwills@yahoo.co.uk> - 2014-01-24 01:28 -0800
                Re: quick review of <BUILDS and CREATE history "Rod Pemberton" <dont_use_email@xnohavenotit.cnm> - 2014-01-24 05:00 -0500
                Re: quick review of <BUILDS and CREATE history "Elizabeth D. Rather" <erather@forth.com> - 2014-01-24 09:32 -1000
                Re: quick review of <BUILDS and CREATE history "Rod Pemberton" <dont_use_email@xnohavenotit.cnm> - 2014-01-24 17:48 -0500
                Re: quick review of <BUILDS and CREATE history "Elizabeth D. Rather" <erather@forth.com> - 2014-01-24 13:14 -1000
                Re: quick review of <BUILDS and CREATE history Mark Wills <markrobertwills@yahoo.co.uk> - 2014-01-24 16:16 -0800
                Re: quick review of <BUILDS and CREATE history "Rod Pemberton" <dont_use_email@xnohavenotit.cnm> - 2014-02-23 12:13 -0500
                Re: quick review of <BUILDS and CREATE history anton@mips.complang.tuwien.ac.at (Anton Ertl) - 2014-01-22 13:32 +0000
            Re: quick review of <BUILDS and CREATE history Mark Wills <markrobertwills@yahoo.co.uk> - 2014-01-20 04:14 -0800
              Re: quick review of <BUILDS and CREATE history Andrew Haley <andrew29@littlepinkcloud.invalid> - 2014-01-20 06:31 -0600
                Re: quick review of <BUILDS and CREATE history Elizabeth D Rather <erather@forth.com> - 2014-01-20 08:04 -1000
                Re: quick review of <BUILDS and CREATE history anton@mips.complang.tuwien.ac.at (Anton Ertl) - 2014-01-21 14:09 +0000
              Re: quick review of <BUILDS and CREATE history "Rod Pemberton" <dont_use_email@xnohavenotit.cnm> - 2014-01-20 16:14 -0500
  Re: quick review of <BUILDS and CREATE history trebor.english@gmail.com - 2014-01-22 17:44 -0800
  Re: quick review of <BUILDS and CREATE history trebor.english@gmail.com - 2014-01-22 18:24 -0800
    Re: quick review of <BUILDS and CREATE history albert@spenarnc.xs4all.nl (Albert van der Horst) - 2014-01-23 14:00 +0000
      Re: quick review of <BUILDS and CREATE history trebor.english@gmail.com - 2014-01-23 11:06 -0800
        Re: quick review of <BUILDS and CREATE history Paul Rubin <no.email@nospam.invalid> - 2014-01-23 11:33 -0800
          Re: quick review of <BUILDS and CREATE history trebor.english@gmail.com - 2014-01-23 11:42 -0800
        Re: quick review of <BUILDS and CREATE history Mikael Nordman <oh2aun@gmail.com> - 2014-01-23 11:51 -0800

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