GNU bug report logs - #75609
Hideshow support for treesitter

Previous Next

Full log

View this message in rfc822 format

From: Eli Zaretskii <eliz <at> gnu.org>
To: Juri Linkov <juri <at> linkov.net>
Cc: 75609 <at> debbugs.gnu.org, casouri <at> gmail.com, monnier <at> iro.umontreal.ca
Subject: bug#75609: Hideshow support for treesitter
Date: Thu, 23 Jan 2025 20:08:14 +0200

> From: Juri Linkov <juri <at> linkov.net>
> Cc: Stefan Monnier <monnier <at> iro.umontreal.ca>,  casouri <at> gmail.com,
>   75609 <at> debbugs.gnu.org
> Date: Thu, 23 Jan 2025 19:39:17 +0200
> 
> > I'm curious: why do you have to use skip-syntax-forward/backward when
> > tree-sitter already should know where a comment starts and ends?
> > ideally, features that use tree-sitter should not need to consult any
> > syntax tables set up by the major mode.  Or what am I missing?
> 
> tree-sitter has no information about whitespace, but whitespace is
> essential part of the behavior according to the docstring of
> 'forward-comment':
> 
>   Stop scanning if we find something other than a comment or whitespace.
>   If COUNT comments are found as expected, with nothing except whitespace
>   between them, return t; otherwise return nil.
> 
> So treesit should be able to skip whitespace as well:
> 
> default implementation = skip whitespace + check syntax table
> treesit implementation = skip whitespace + check syntax tree

I'm confused: are you saying that (skip-syntax-forward " >") skips
whitespace?  AFAIU, it skips not just whitespace.  And to skip
whitespace we don't need syntax-tables, do we?  I'm probably missing
something.

Previous Next

GNU bug tracking system
Copyright (C) 1999 Darren O. Benham, 1997,2003 nCipher Corporation Ltd, 1994-97 Ian Jackson.