Re: A short history of the stages of development and status of RP's Forth interpreter.

Newsgroups	comp.lang.forth
From	Albert van der Horst <albert@spenarnc.xs4all.nl>
Subject	Re: A short history of the stages of development and status of RP's Forth interpreter.
Date	2012-04-16 09:45 +0000
Message-ID	<m2kgfp.5dw@spenarnc.xs4all.nl> (permalink)
Organization	Dutch Forth Workshop
References	<jkgbte$3f7$1@speranza.aioe.org> <VZydnbeCxIolkRfSnZ2dnUVZ_rGdnZ2d@supernews.com> <jmevch$9ue$1@speranza.aioe.org> <5cydnfw6483ZkxbSnZ2dnUVZ_rGdnZ2d@supernews.com>

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In article <5cydnfw6483ZkxbSnZ2dnUVZ_rGdnZ2d@supernews.com>,
Elizabeth D. Rather <erather@forth.com> wrote:
>On 4/15/12 7:09 AM, Rod Pemberton wrote:
>> "Elizabeth D. Rather"<erather@forth.com>  wrote in message
>> news:VZydnbeCxIolkRfSnZ2dnUVZ_rGdnZ2d@supernews.com...
>>> On 4/14/12 11:21 AM, Rod Pemberton wrote:
>>>> "Elizabeth D. Rather"<erather@forth.com>   wrote in message
>>>> news:NOqdnX8yHNVSgRrSnZ2dnUVZ_smdnZ2d@supernews.com...
>> ...
>>
>>>> FYI, this definition for SET won't work in a colon definition.  ANS' TO
>>>> which is used for VALUEs apparently does work in colon definitions, but
>>>> CONSTANT and VARIABLE don't.
>>>
>>> Of course not. This SET is a defining word, like CONSTANT and VARIABLE.
>>> Defining words are not used in definitions, they *are* definitions
>>> themselves ( : is one of many defining words).
>>>
>>
>> Many other Forth words work for both interactively and in definitions.  So,
>> could they (CONSTANT, VARIABLE, etc.) be rewritten to do so?  From
>> what I've seen of other definitions, I think they could be.  I'd also think
>> that CONSTANTs inside definitions would be useful.
>
>You're pining for locals, which is normal for folks coming to Forth from
>other languages. Yes, there are some Forth words (particularly in
>figForth) that have been defined as "state smart" with one behavior in
>compile mode and another in interpret mode, but that practice diminished
>in the late 80's, as it was found to be confusing and impractical.
>
>Forth defining words all make standalone definitions. That's the way
>they work.

If we ever were to extend Forth to accept nested definitions,
then we should go all the way, like ALGOL.
So within a colon definition we should have VARIABLE CONSTANTS
and other colon definition. Not LOCALS with a totally different
syntax compared to VARIABLE's.

<SNIP>

>Cheers,
>Elizabeth

Groetjes Albert

--
-- 
Albert van der Horst, UTRECHT,THE NETHERLANDS
Economic growth -- being exponential -- ultimately falters.
albert@spe&ar&c.xs4all.nl &=n http://home.hccnet.nl/a.w.m.van.der.horst

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Re: A short history of the stages of development and status of RP's Forth interpreter. "Rod Pemberton" <do_not_have@notemailnot.cmm> - 2012-04-10 11:07 -0400
  Re: A short history of the stages of development and status of RP's Forth interpreter. "Rod Pemberton" <do_not_have@notemailnot.cmm> - 2012-04-11 19:00 -0400
    Re: A short history of the stages of development and status of RP's Forth interpreter. BruceMcF <agila61@netscape.net> - 2012-04-11 19:24 -0700
      Re: A short history of the stages of development and status of RP's Forth interpreter. "Rod Pemberton" <do_not_have@notemailnot.cmm> - 2012-04-12 14:03 -0400
        Re: A short history of the stages of development and status of RP's Forth interpreter. "Elizabeth D. Rather" <erather@forth.com> - 2012-04-12 08:19 -1000
          Re: A short history of the stages of development and status of RP's Forth interpreter. "Rod Pemberton" <do_not_have@notemailnot.cmm> - 2012-04-14 17:21 -0400
            Re: A short history of the stages of development and status of RP's Forth interpreter. Coos Haak <chforth@hccnet.nl> - 2012-04-15 00:11 +0200
            Re: A short history of the stages of development and status of RP's Forth interpreter. "Elizabeth D. Rather" <erather@forth.com> - 2012-04-14 13:48 -1000
              Re: A short history of the stages of development and status of RP's Forth interpreter. "Rod Pemberton" <do_not_have@notemailnot.cmm> - 2012-04-15 13:09 -0400
                Re: A short history of the stages of development and status of RP's Forth interpreter. "Elizabeth D. Rather" <erather@forth.com> - 2012-04-15 08:06 -1000
                Re: A short history of the stages of development and status of RP's Forth interpreter. Albert van der Horst <albert@spenarnc.xs4all.nl> - 2012-04-16 09:45 +0000
                Re: A short history of the stages of development and status of RP's Forth interpreter. jacko <jackokring@gmail.com> - 2012-04-16 05:26 -0700
                Re: A short history of the stages of development and status of RP's Forth interpreter. BruceMcF <agila61@netscape.net> - 2012-04-15 11:10 -0700
                Re: A short history of the stages of development and status of RP's Forth interpreter. "Rod Pemberton" <do_not_have@notemailnot.cmm> - 2012-04-15 17:57 -0400
                Re: A short history of the stages of development and status of RP's Forth interpreter. "Elizabeth D. Rather" <erather@forth.com> - 2012-04-15 12:22 -1000
                Re: A short history of the stages of development and status of RP's Forth interpreter. BruceMcF <agila61@netscape.net> - 2012-04-15 19:35 -0700
                Re: A short history of the stages of development and status of RP's Forth interpreter. "Elizabeth D. Rather" <erather@forth.com> - 2012-04-15 16:58 -1000
                Re: A short history of the stages of development and status of RP's Forth interpreter. "Rod Pemberton" <do_not_have@notemailnot.cmm> - 2012-04-16 15:50 -0400
                Re: A short history of the stages of development and status of RP's Forth interpreter. BruceMcF <agila61@netscape.net> - 2012-04-16 13:24 -0700
                Re: A short history of the stages of development and status of RP's Forth interpreter. "Elizabeth D. Rather" <erather@forth.com> - 2012-04-16 11:17 -1000
            Re: A short history of the stages of development and status of RP's Forth interpreter. BruceMcF <agila61@netscape.net> - 2012-04-14 17:07 -0700
              Re: A short history of the stages of development and status of RP's Forth interpreter. Mark Wills <markrobertwills@yahoo.co.uk> - 2012-04-14 22:37 -0700
                Re: A short history of the stages of development and status of RP's Forth interpreter. "Elizabeth D. Rather" <erather@forth.com> - 2012-04-14 20:54 -1000
                Re: A short history of the stages of development and status of RP's Forth interpreter. Mark Wills <markrobertwills@yahoo.co.uk> - 2012-04-15 00:22 -0700
                Re: A short history of the stages of development and status of RP's Forth interpreter. BruceMcF <agila61@netscape.net> - 2012-04-15 07:00 -0700
        Re: A short history of the stages of development and status of RP's Forth interpreter. BruceMcF <agila61@netscape.net> - 2012-04-12 12:45 -0700
          Re: A short history of the stages of development and status of RP's Forth interpreter. Mark Wills <markrobertwills@yahoo.co.uk> - 2012-04-12 13:29 -0700
            Re: A short history of the stages of development and status of RP's Forth interpreter. BruceMcF <agila61@netscape.net> - 2012-04-12 13:56 -0700
            Re: A short history of the stages of development and status of RP's Forth interpreter. "Rod Pemberton" <do_not_have@notemailnot.cmm> - 2012-04-13 10:25 -0400
              Re: A short history of the stages of development and status of RP's Forth interpreter. BruceMcF <agila61@netscape.net> - 2012-04-13 08:12 -0700
                Re: A short history of the stages of development and status of RP's Forth interpreter. "Rod Pemberton" <do_not_have@notemailnot.cmm> - 2012-04-14 17:22 -0400
                Re: A short history of the stages of development and status of RP's Forth interpreter. BruceMcF <agila61@netscape.net> - 2012-04-14 16:10 -0700
                Re: A short history of the stages of development and status of RP's Forth interpreter. "Rod Pemberton" <do_not_have@notemailnot.cmm> - 2012-04-15 12:53 -0400
                Re: A short history of the stages of development and status of RP's Forth interpreter. BruceMcF <agila61@netscape.net> - 2012-04-15 11:01 -0700
              Re: A short history of the stages of development and status of RP's Forth interpreter. BruceMcF <agila61@netscape.net> - 2012-04-13 08:23 -0700
    Re: A short history of the stages of development and status of RP's Forth interpreter. "Elizabeth D. Rather" <erather@forth.com> - 2012-04-11 17:27 -1000
    Re: A short history of the stages of development and status of RP's Forth interpreter. Mark Wills <markrobertwills@yahoo.co.uk> - 2012-04-12 00:19 -0700
      Re: A short history of the stages of development and status of RP's Forth interpreter. "Rod Pemberton" <do_not_have@notemailnot.cmm> - 2012-04-12 13:54 -0400
        Re: A short history of the stages of development and status of RP's Forth interpreter. Mark Wills <markrobertwills@yahoo.co.uk> - 2012-04-12 13:43 -0700
    Re: A short history of the stages of development and status of RP's Forth interpreter. BruceMcF <agila61@netscape.net> - 2012-04-12 06:45 -0700
      Re: A short history of the stages of development and status of RP's  Forth interpreter. anton@mips.complang.tuwien.ac.at (Anton Ertl) - 2012-04-12 15:01 +0000
        Re: A short history of the stages of development and status of RP's  Forth interpreter. "Rod Pemberton" <do_not_have@notemailnot.cmm> - 2012-04-12 13:54 -0400
        Re: A short history of the stages of development and status of RP's Forth interpreter. BruceMcF <agila61@netscape.net> - 2012-04-12 10:49 -0700
          Re: A short history of the stages of development and status of RP's Forth interpreter. "Elizabeth D. Rather" <erather@forth.com> - 2012-04-12 08:40 -1000
            Re: A short history of the stages of development and status of RP's Forth interpreter. BruceMcF <agila61@netscape.net> - 2012-04-12 12:38 -0700
              Re: A short history of the stages of development and status of RP's Forth interpreter. "Elizabeth D. Rather" <erather@forth.com> - 2012-04-12 13:58 -1000
          Re: A short history of the stages of development and status of RP's  Forth interpreter. anton@mips.complang.tuwien.ac.at (Anton Ertl) - 2012-04-13 10:42 +0000
            Re: A short history of the stages of development and status of RP's Forth interpreter. BruceMcF <agila61@netscape.net> - 2012-04-13 08:34 -0700
              Re: A short history of the stages of development and status of RP's  Forth interpreter. anton@mips.complang.tuwien.ac.at (Anton Ertl) - 2012-04-13 15:48 +0000
                Re: A short history of the stages of development and status of RP's  Forth interpreter. "Elizabeth D. Rather" <erather@forth.com> - 2012-04-13 08:25 -1000
                Re: A short history of the stages of development and status of RP's  Forth interpreter. stephenXXX@mpeforth.com (Stephen Pelc) - 2012-04-13 22:08 +0000
                Re: A short history of the stages of development and status of RP's  Forth interpreter. "Elizabeth D. Rather" <erather@forth.com> - 2012-04-13 12:26 -1000
                Re: A short history of the stages of development and status of RP's Forth interpreter. BruceMcF <agila61@netscape.net> - 2012-04-13 16:14 -0700
                Re: A short history of the stages of development and status of RP's Forth interpreter. jacko <jackokring@gmail.com> - 2012-04-14 09:04 -0700
                Re: A short history of the stages of development and status of RP's Forth interpreter. BruceMcF <agila61@netscape.net> - 2012-04-14 15:59 -0700
                Re: A short history of the stages of development and status of RP's Forth interpreter. Albert van der Horst <albert@spenarnc.xs4all.nl> - 2012-04-15 10:50 +0000
                Re: A short history of the stages of development and status of RP's Forth interpreter. BruceMcF <agila61@netscape.net> - 2012-04-15 07:06 -0700
                XT only or XT+NT (was: A short history ...) anton@mips.complang.tuwien.ac.at (Anton Ertl) - 2012-04-14 14:06 +0000
                Re: XT only or XT+NT (was: A short history ...) Alex McDonald <blog@rivadpm.com> - 2012-04-16 02:39 -0700
            Re: A short history of the stages of development and status of RP's Forth interpreter. BruceMcF <agila61@netscape.net> - 2012-04-13 08:46 -0700
      Re: A short history of the stages of development and status of RP's Forth interpreter. "Rod Pemberton" <do_not_have@notemailnot.cmm> - 2012-04-12 13:53 -0400
    Re: A short history of the stages of development and status of RP's Forth interpreter. "Rod Pemberton" <do_not_have@notemailnot.cmm> - 2012-04-19 17:06 -0400

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