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Groups > comp.lang.forth > #134673

Re: How does the input stream traditionally work?

Date 2026-03-15 18:26 +1100
Subject Re: How does the input stream traditionally work?
Newsgroups comp.lang.forth
References <87bjgre5yy.fsf@nightsong.com> <2026Mar14.122649@mips.complang.tuwien.ac.at> <871phleh3v.fsf@nightsong.com>
From dxf <dxforth@gmail.com>
Message-ID <69b65f35$1@news.ausics.net> (permalink)
Organization Ausics - https://newsgroups.ausics.net

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On 15/03/2026 5:34 pm, Paul Rubin wrote:
> anton@mips.complang.tuwien.ac.at (Anton Ertl) writes:
> ... 
>> while INCLUDED is already running.  If you look at the stack effect of
>> INCLUDED, LOAD, and EVALUATE, you will find that they are not allowed
>> to use the data stack for their storage needs, The return stack is
>> available for such purposes, however.
> 
> I didn't know about this restriction.  It's not mentioned in
> Docs-html/Forth-source-files.html for gforth 0.7.0 or 0.7.9 at the
> moment fwiw.  It sounds inconvenient.  

DX-Forth uses a 256 byte return stack.  The consequence of that is only
about 6 files can be included before it runs out.  Were my DO LOOPs
three items on the return stack instead of two, even less files could
be included.  Of course I could increase return stack size (it's even a
run-time option) but it's fine as it is.

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Thread

How does the input stream traditionally work? Paul Rubin <no.email@nospam.invalid> - 2026-03-13 15:10 -0700
  Re: How does the input stream traditionally work? peter <peter.noreply@tin.it> - 2026-03-14 10:12 +0100
    Re: How does the input stream traditionally work? anton@mips.complang.tuwien.ac.at (Anton Ertl) - 2026-03-14 15:09 +0000
      Re: How does the input stream traditionally work? peter <peter.noreply@tin.it> - 2026-03-14 23:30 +0100
        Re: How does the input stream traditionally work? anton@mips.complang.tuwien.ac.at (Anton Ertl) - 2026-03-15 14:02 +0000
          Re: How does the input stream traditionally work? albert@spenarnc.xs4all.nl - 2026-03-15 19:25 +0100
  Re: How does the input stream traditionally work? anton@mips.complang.tuwien.ac.at (Anton Ertl) - 2026-03-14 11:26 +0000
    Re: How does the input stream traditionally work? Paul Rubin <no.email@nospam.invalid> - 2026-03-14 23:34 -0700
      Re: How does the input stream traditionally work? dxf <dxforth@gmail.com> - 2026-03-15 18:26 +1100
        Re: How does the input stream traditionally work? Paul Rubin <no.email@nospam.invalid> - 2026-03-15 13:21 -0700
          Re: How does the input stream traditionally work? dxf <dxforth@gmail.com> - 2026-03-16 10:46 +1100
            Re: How does the input stream traditionally work? Paul Rubin <no.email@nospam.invalid> - 2026-03-15 18:09 -0700
              Re: How does the input stream traditionally work? dxf <dxforth@gmail.com> - 2026-03-16 13:13 +1100
                Re: How does the input stream traditionally work? Paul Rubin <no.email@nospam.invalid> - 2026-03-16 15:14 -0700
                Re: How does the input stream traditionally work? dxf <dxforth@gmail.com> - 2026-03-17 10:37 +1100
                Re: How does the input stream traditionally work? Paul Rubin <no.email@nospam.invalid> - 2026-03-16 17:27 -0700
                Re: How does the input stream traditionally work? dxf <dxforth@gmail.com> - 2026-03-17 12:48 +1100
                Re: How does the input stream traditionally work? albert@spenarnc.xs4all.nl - 2026-03-17 11:16 +0100
                Re: How does the input stream traditionally work? Gerry Jackson <do-not-use@swldwa.uk> - 2026-03-17 11:27 +0000
            Re: How does the input stream traditionally work? dxf <dxforth@gmail.com> - 2026-04-21 18:40 +1000
              Re: How does the input stream traditionally work? albert@spenarnc.xs4all.nl - 2026-04-21 12:39 +0200
              Re: How does the input stream traditionally work? Hans Bezemer <the.beez.speaks@gmail.com> - 2026-04-21 19:47 +0200
      Re: How does the input stream traditionally work? anton@mips.complang.tuwien.ac.at (Anton Ertl) - 2026-03-15 16:29 +0000
        Re: How does the input stream traditionally work? albert@spenarnc.xs4all.nl - 2026-03-15 19:48 +0100
  Re: How does the input stream traditionally work? albert@spenarnc.xs4all.nl - 2026-03-14 15:33 +0100

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