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From: Ihor Radchenko <yantar92@posteo.net>
To: Jens Schmidt <jschmidt4gnu@vodafonemail.de>
Cc: Samuel Loury <konubinix@gmail.com>, emacs-orgmode@gnu.org
Subject: Re: Redoing the current tag/property parser in a real grammar [was: Re: [RFC] Quoting property names in tag/property matches]
Date: Sun, 03 Sep 2023 07:04:35 +0000	[thread overview]
Message-ID: <87h6obohz0.fsf@localhost> (raw)
In-Reply-To: <d57f875c-2be0-c2e6-3da0-a553de5f837f@vodafonemail.de>

Jens Schmidt <jschmidt4gnu@vodafonemail.de> writes:

>> Backward compatibility will be easy - just leave the current code when
>> old query version is detected. We should better focus on the new syntax
>> in future and leave the current syntax as compatibility layer that will
>> be eventually deprecated.
>
> Agreed except for the deprecation part.  I think Org should be big enough
> to have two parsers: One along the lines of the current one (infix, DWIM,
> easy to type) and one along the lines of org-ql (sexp, better extensible,
> more flexible, harder to type).  Ideally, it should be even possible to
> embed the infix-one into the sexp-one.

Maybe. The rough idea is to allow pluggable query syntax, so that people
can implement they own, if they wish to.

> It should also be possible to put the current infix parser onto a more
> stable ground as well, based on a formal grammar, providing at least
> parentheses for grouping and negation, and that without breaking backward
> compatibility.
>
> Let's rephrase that way: If I were to redo the current parser as
> mentioned in the previous paragraph, would these changes "eventually be
> deprecated"?  (Which doesn't necessarily mean that I promise to do so,
> of course.)

I am not sure if we need to hold to the current syntax. I am leaning
towards something more similar to notmuch/"export" web search queries.

In any case, deprecation is years away, and we will have plenty of time
discussing the specifics.

-- 
Ihor Radchenko // yantar92,
Org mode contributor,
Learn more about Org mode at <https://orgmode.org/>.
Support Org development at <https://liberapay.com/org-mode>,
or support my work at <https://liberapay.com/yantar92>


  reply	other threads:[~2023-09-03  7:04 UTC|newest]

Thread overview: 31+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2023-08-23  7:57 [BUG?] Matching tags: & operator no more implicit between tags and special property Samuel Loury
2023-08-23 10:21 ` Jens Schmidt
2023-08-23 10:37   ` Ihor Radchenko
2023-08-23 10:31 ` Ihor Radchenko
2023-08-23 10:38   ` Jens Schmidt
2023-08-23 14:00     ` [RFC] Quoting property names in tag/property matches [Was: [BUG?] Matching tags: & operator no more implicit between tags and special property] Jens Schmidt
2023-08-23 15:55       ` Jens Schmidt
2023-08-24  7:30         ` Ihor Radchenko
2023-08-24  7:32       ` Ihor Radchenko
2023-08-24  8:52         ` Jens Schmidt
2023-08-25 18:46           ` Jens Schmidt
2023-08-26 10:16             ` Ihor Radchenko
2023-08-26 11:53               ` Jens Schmidt
2023-08-26 12:00                 ` Ihor Radchenko
2023-08-26 12:19                   ` Jens Schmidt
2023-08-26 12:22                     ` Ihor Radchenko
2023-08-26 12:54                       ` Jens Schmidt
2023-08-27  7:11                         ` Samuel Loury
2023-08-27  7:43                           ` Ihor Radchenko
2023-09-01 16:48                             ` Jens Schmidt
2023-09-01 23:59                               ` Tom Gillespie
2023-09-02  0:02                                 ` Tom Gillespie
2023-09-02  7:10                               ` Ihor Radchenko
2023-09-02 13:14                                 ` Redoing the current tag/property parser in a real grammar [was: Re: [RFC] Quoting property names in tag/property matches] Jens Schmidt
2023-09-03  7:04                                   ` Ihor Radchenko [this message]
2023-09-02 13:18                                 ` [RFC] Quoting property names in tag/property matches Jens Schmidt
2023-08-30 16:28                         ` [RFC] Quoting property names in tag/property matches [Was: [BUG?] Matching tags: & operator no more implicit between tags and special property] Jens Schmidt
2023-08-31  8:08                           ` Ihor Radchenko
2023-08-31 10:24                             ` Jens Schmidt
2023-09-03  6:53                         ` Ihor Radchenko
2023-09-03  9:25                           ` Jens Schmidt

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