Re: Rosetta code reverse a string

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From	anton@mips.complang.tuwien.ac.at (Anton Ertl)
Newsgroups	comp.lang.forth
Subject	Re: Rosetta code reverse a string
Date	Wed, 17 Feb 2016 07:07:51 GMT
Organization	Institut fuer Computersprachen, Technische Universitaet Wien
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Paul Rubin <no.email@nospam.invalid> writes:
>anton@mips.complang.tuwien.ac.at (Anton Ertl) writes:
>> Note that PARSE-NAME cannot be replaced with BL WORD COUNT here,
>> because several invocations of WORD may use (and typically do use) the
>> same buffer.
>
>But in Gforth I also found that PARSE-NAME re-used the same buffer on
>repeated invocations;

PARSE-NAME gives you addresses into the input buffer (and that's
required by the standard; if you find a case where Gforth does not
comply with that, please report it as a bug).  Gforth reuses the input
buffer on REFILL, but as long as you don't REFILL, the result produced
by each invocation of PARSE stays valid.

- anton
-- 
M. Anton Ertl  http://www.complang.tuwien.ac.at/anton/home.html
comp.lang.forth FAQs: http://www.complang.tuwien.ac.at/forth/faq/toc.html
     New standard: http://www.forth200x.org/forth200x.html
   EuroForth 2015: http://www.rigwit.co.uk/EuroForth2015/

Thread

Rosetta code reverse a string foxaudioresearch@gmail.com - 2016-02-15 13:22 -0800
  Re: Rosetta code reverse a string Paul Rubin <no.email@nospam.invalid> - 2016-02-15 15:14 -0800
    Re: Rosetta code reverse a string foxaudioresearch@gmail.com - 2016-02-15 16:49 -0800
      Re: Rosetta code reverse a string Paul Rubin <no.email@nospam.invalid> - 2016-02-15 20:27 -0800
        Re: Rosetta code reverse a string anton@mips.complang.tuwien.ac.at (Anton Ertl) - 2016-02-16 07:25 +0000
        Re: Rosetta code reverse a string Doug Hoffman <glidedog@gmail.com> - 2016-02-16 05:30 -0500
          Re: Rosetta code reverse a string Albert van der Horst <albert@spenarnc.xs4all.nl> - 2016-02-16 11:55 +0000
    Re: Rosetta code reverse a string anton@mips.complang.tuwien.ac.at (Anton Ertl) - 2016-02-16 13:44 +0000
      Re: Rosetta code reverse a string Albert van der Horst <albert@spenarnc.xs4all.nl> - 2016-02-16 14:45 +0000
        Re: Rosetta code reverse a string anton@mips.complang.tuwien.ac.at (Anton Ertl) - 2016-02-16 16:22 +0000
      Re: Rosetta code reverse a string Paul Rubin <no.email@nospam.invalid> - 2016-02-16 13:25 -0800
        Re: Rosetta code reverse a string anton@mips.complang.tuwien.ac.at (Anton Ertl) - 2016-02-17 07:07 +0000
          Re: Rosetta code reverse a string Paul Rubin <no.email@nospam.invalid> - 2016-02-16 23:29 -0800
  Re: Rosetta code reverse a string Albert van der Horst <albert@spenarnc.xs4all.nl> - 2016-02-16 11:46 +0000
  Re: Rosetta code reverse a string "WJ" <w_a_x_man@yahoo.com> - 2016-02-16 18:25 +0000
  Re: Rosetta code reverse a string humptydumpty <ouatubi@gmail.com> - 2016-02-16 13:40 -0800
  Re: Rosetta code reverse a string "WJ" <w_a_x_man@yahoo.com> - 2016-06-28 01:55 +0000
    Re: Rosetta code reverse a string "HAA" <someone@microsoft.com> - 2016-06-29 11:45 +1000

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