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Re: 0 vs. translate-none

From minforth <minforth@gmx.net>
Newsgroups comp.lang.forth
Subject Re: 0 vs. translate-none
Date 2025-09-24 10:36 +0200
Message-ID <mjhoseFl0n3U1@mid.individual.net> (permalink)
References (4 earlier) <nnd$63a1c2c3$53407578@cf3fecc44161b6ef> <mja7ekFbiv5U1@mid.individual.net> <2025Sep23.192305@mips.complang.tuwien.ac.at> <mjgepgFeb7tU1@mid.individual.net> <2025Sep24.083826@mips.complang.tuwien.ac.at>

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Am 24.09.2025 um 08:38 schrieb Anton Ertl:
> minforth <minforth@gmx.net> writes:
>> Am 23.09.2025 um 19:23 schrieb Anton Ertl:
>>> minforth <minforth@gmx.net> writes:
>>>> FWIW I also use suffixes for recognizers:
>>>> let M be a matrix
>>>> M´  auto-transposed
>>>> M~  auto-inverted
>>>
>>> Can you give an example of a matrix with your matrix recognizer?
>>>
>>
>> To be fair, here MinForth displays the matrix/vector stack in the
>> QUIT prompt:
>>
>> MinForth 3.6 (64 bit) (fp matrix)
>> # 0 0 matrix mat  ok
>> # m[ 1 2 3 ; 4 5 6 ]  ok
> 
> Given this syntax, a parsing word M[ suggests itself to me (although I
> generally dislike parsing words and probably would choose a different
> syntax); or maybe a word that switches to a matrix interpreter
> (possibly implemented using the recognizer words, with ] switching
> back.  Why did you choose to use a recognizer?

M[ ... pushes a matrix literal onto the matrix stack.
MATRIX (or VECTOR) define a persistent matrix/vector value.

M[ is not really parsing, it just sets a flag for the forth
interpreter. You could write
M[ 1 fdup ] instead of M[ 1 1 ] or M[ 1. 1. ] or M[ 1e 1e ]

IOW M[ does not use a recognizer.


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Thread

0 vs. translate-none anton@mips.complang.tuwien.ac.at (Anton Ertl) - 2025-09-17 16:53 +0000
  Re: 0 vs. translate-none minforth <minforth@gmx.net> - 2025-09-19 12:24 +0200
    Re: 0 vs. translate-none anton@mips.complang.tuwien.ac.at (Anton Ertl) - 2025-09-19 15:45 +0000
      Re: 0 vs. translate-none peter <peter.noreply@tin.it> - 2025-09-19 19:39 +0200
        Re: 0 vs. translate-none anton@mips.complang.tuwien.ac.at (Anton Ertl) - 2025-09-20 07:25 +0000
          Re: 0 vs. translate-none peter <peter.noreply@tin.it> - 2025-09-20 10:34 +0200
            Re: 0 vs. translate-none anton@mips.complang.tuwien.ac.at (Anton Ertl) - 2025-09-20 16:08 +0000
              Re: 0 vs. translate-none peter <peter.noreply@tin.it> - 2025-09-20 19:08 +0200
                Re: 0 vs. translate-none anton@mips.complang.tuwien.ac.at (Anton Ertl) - 2025-09-20 17:57 +0000
                Re: 0 vs. translate-none peter <peter.noreply@tin.it> - 2025-09-20 20:55 +0200
                Re: 0 vs. translate-none anton@mips.complang.tuwien.ac.at (Anton Ertl) - 2025-09-21 12:33 +0000
                Re: 0 vs. translate-none peter <peter.noreply@tin.it> - 2025-09-21 18:39 +0200
                Re: 0 vs. translate-none anton@mips.complang.tuwien.ac.at (Anton Ertl) - 2025-09-23 17:25 +0000
                Re: 0 vs. translate-none peter <peter.noreply@tin.it> - 2025-09-23 22:25 +0200
                Re: 0 vs. translate-none albert@spenarnc.xs4all.nl - 2025-09-24 01:15 +0200
                Re: 0 vs. translate-none anton@mips.complang.tuwien.ac.at (Anton Ertl) - 2025-09-24 06:26 +0000
            Re: 0 vs. translate-none albert@spenarnc.xs4all.nl - 2025-09-21 10:37 +0200
              Re: 0 vs. translate-none minforth <minforth@gmx.net> - 2025-09-21 13:56 +0200
                Re: 0 vs. translate-none albert@spenarnc.xs4all.nl - 2025-09-21 14:44 +0200
                Re: 0 vs. translate-none minforth <minforth@gmx.net> - 2025-09-21 17:46 +0200
                Re: 0 vs. translate-none anton@mips.complang.tuwien.ac.at (Anton Ertl) - 2025-09-23 17:23 +0000
                Re: 0 vs. translate-none minforth <minforth@gmx.net> - 2025-09-23 22:38 +0200
                Re: 0 vs. translate-none anton@mips.complang.tuwien.ac.at (Anton Ertl) - 2025-09-24 06:38 +0000
                Re: 0 vs. translate-none minforth <minforth@gmx.net> - 2025-09-24 09:39 +0200
                Re: 0 vs. translate-none albert@spenarnc.xs4all.nl - 2025-09-24 10:28 +0200
                Re: 0 vs. translate-none minforth <minforth@gmx.net> - 2025-09-24 10:44 +0200
                Re: 0 vs. translate-none minforth <minforth@gmx.net> - 2025-09-24 10:36 +0200
              Re: 0 vs. translate-none anton@mips.complang.tuwien.ac.at (Anton Ertl) - 2025-09-21 12:50 +0000
                Re: 0 vs. translate-none albert@spenarnc.xs4all.nl - 2025-09-21 21:39 +0200
                Re: 0 vs. translate-none anton@mips.complang.tuwien.ac.at (Anton Ertl) - 2025-09-22 06:56 +0000
                Re: 0 vs. translate-none albert@spenarnc.xs4all.nl - 2025-09-22 10:09 +0200
                Re: 0 vs. translate-none anton@mips.complang.tuwien.ac.at (Anton Ertl) - 2025-09-22 08:39 +0000
                Re: 0 vs. translate-none albert@spenarnc.xs4all.nl - 2025-09-22 23:03 +0200
                Re: 0 vs. translate-none anton@mips.complang.tuwien.ac.at (Anton Ertl) - 2025-09-23 17:00 +0000
                Re: 0 vs. translate-none albert@spenarnc.xs4all.nl - 2025-09-24 00:41 +0200
                Re: 0 vs. translate-none dxf <dxforth@gmail.com> - 2025-09-24 13:57 +1000
                Re: 0 vs. translate-none anton@mips.complang.tuwien.ac.at (Anton Ertl) - 2025-09-24 06:45 +0000
                Re: 0 vs. translate-none dxf <dxforth@gmail.com> - 2025-09-25 15:22 +1000
                Re: 0 vs. translate-none anton@mips.complang.tuwien.ac.at (Anton Ertl) - 2025-09-25 06:36 +0000
                Re: 0 vs. translate-none albert@spenarnc.xs4all.nl - 2025-09-25 13:00 +0200
                Re: 0 vs. translate-none anton@mips.complang.tuwien.ac.at (Anton Ertl) - 2025-09-29 05:54 +0000
                Re: 0 vs. translate-none albert@spenarnc.xs4all.nl - 2025-09-29 11:03 +0200
                Re: 0 vs. translate-none anton@mips.complang.tuwien.ac.at (Anton Ertl) - 2025-09-29 16:27 +0000
                Re: 0 vs. translate-none dxf <dxforth@gmail.com> - 2025-09-26 10:56 +1000
                Re: 0 vs. translate-none Hans Bezemer <the.beez.speaks@gmail.com> - 2025-09-26 17:09 +0200
                Re: 0 vs. translate-none dxf <dxforth@gmail.com> - 2025-09-29 00:42 +1000
                Re: 0 vs. translate-none Hans Bezemer <the.beez.speaks@gmail.com> - 2025-09-30 18:15 +0200
                Re: 0 vs. translate-none dxf <dxforth@gmail.com> - 2025-10-01 14:10 +1000
                Re: 0 vs. translate-none Hans Bezemer <the.beez.speaks@gmail.com> - 2025-10-02 15:48 +0200
  Re: 0 vs. translate-none Ruvim <ruvim.pinka@gmail.com> - 2025-09-26 02:19 +0400
    Re: 0 vs. translate-none Ruvim <ruvim.pinka@gmail.com> - 2025-09-27 13:43 +0400

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