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From: Ruvim <ruvim.pinka@gmail.com>
Newsgroups: comp.lang.forth
Subject: Re: VALUE and TO implementation
Date: Thu, 1 Aug 2024 22:37:35 +0400
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On 2024-08-01 16:01, albert@spenarnc.xs4all.nl wrote:
> In article <v8dntr$1lcff$1@dont-email.me>,
> Ruvim  <ruvim.pinka@gmail.com> wrote:
>> On 2024-07-31 13:41, mhx wrote:

>>> I'm not sure that you can use a buggy program to test for an ambiguous
>>> condition (looks like a top job for an eager lawyer). It would be
>>> much better if the anomaly can be shown with a valid program.
>>
>> When we want to apply a parsing word to a calculated string, we can use
>> "execute-parsing" (that can be defined in a standard way [1]). For a not
>> parsing "to", this standard-compliant method will fail.
>>
>>
>> A testcase:
>>
>>    : apply-compiling(to) ( sd.name -- )
>>      [: postpone to ;] execute-parsing
>>    ;
> 
> This is foreseen. The standard stipulates that is not allowed
> to POSTPONE TO

Yes, I know. That is why I pointed to a standard-compliant 
implementation for "postpone" [2].

In Forth-2012, you can define a new "postpone" using "get-order", 
"traverse-wordlist", "name>compile", "compile," and "literal".  And 
nothing in the standard prohibits applying this word to "to".

[2] 
<https://github.com/ForthHub/discussion/discussions/103#user-content-solution>


--
Ruvim