From: miha--- via "Bug reports for GNU Emacs, the Swiss army knife of text editors" <bug-gnu-emacs@gnu.org>
To: 59630@debbugs.gnu.org
Subject: bug#59630: 29.0.50; treesitter-buffer-root-node doesn't change when changing buffer restriction
Date: Sun, 27 Nov 2022 13:49:08 +0100 [thread overview]
Message-ID: <87zgcc1s1n.fsf@miha-pc> (raw)
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Treesitter doesn't seem to change its parse tree when changing
restriction. It gets it correct the first time when we query the root
node, but then, after changing restriction, it doesn't seem to get
updated.
The following is an M-x ielm session to demonstrate the problem
ELISP> (set-buffer (get-buffer-create "test"))
ELISP> (insert "echo '123'")
ELISP> (narrow-to-region 1 4)
ELISP> (buffer-string)
"echo"
ELISP> (treesit-buffer-root-node 'bash)
#<treesit-node
(program)
in 1-4> ;; This is expected
ELISP> (widen)
ELISP> (treesit-buffer-root-node 'bash)
#<treesit-node
(program)
in 1-4> ;; <---- This is not expected, the root node should span 1-9
ELISP> (buffer-string)
"echo '123'"
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next reply other threads:[~2022-11-27 12:49 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-11-27 12:49 miha--- via Bug reports for GNU Emacs, the Swiss army knife of text editors [this message]
2022-11-27 22:40 ` bug#59630: 29.0.50; treesitter-buffer-root-node doesn't change when changing buffer restriction Yuan Fu
2022-11-28 12:09 ` Eli Zaretskii
2022-11-28 22:37 ` Yuan Fu
2022-12-09 22:13 ` Yuan Fu
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