Re: How does the input stream traditionally work?

From	Paul Rubin <no.email@nospam.invalid>
Newsgroups	comp.lang.forth
Subject	Re: How does the input stream traditionally work?
Date	2026-03-16 15:14 -0700
Organization	A noiseless patient Spider
Message-ID	<87jyvbcth2.fsf@nightsong.com> (permalink)
References	(3 earlier) <69b65f35$1@news.ausics.net> <87wlzcdesv.fsf@nightsong.com> <69b744ec@news.ausics.net> <87o6kod1h3.fsf@nightsong.com> <69b76740$1@news.ausics.net>

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dxf <dxforth@gmail.com> writes:
> For each nest there's state stuff that needs saving (loadline# source
>>in blk etc).

Oh I had figured that would be in the FDB.  Does it have to be on the
stack for some reason?

> Then there's RS usage incurred during load/compile of the current
> file.  It all adds up.

I wonder if moving the state to the FDB can get rid of the need for
stack nesting.  Then it's just a matter of how many FDB's you want to
set aside space for.  You could even put them in the ALLOCATE heap if
you have that.

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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