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From: Mickey Petersen <mickey@masteringemacs.org>
To: 73404@debbugs.gnu.org
Subject: bug#73404: 30.0.50; [forward/kill/etc]-sexp commands do not behave as expected in tree-sitter modes
Date: Sat, 21 Sep 2024 06:06:58 +0100	[thread overview]
Message-ID: <87plox4mtp.fsf@masteringemacs.org> (raw)



Examples with javascript-mode. It holds for all modes i tested with a
TS equivalent. Let -!- be the starting point and ^N be the subsequent
position after a movement command.

-!-export const add = (a, b) => a + b;

Repeated `C-M-f' yields

export const add = (a, b) => a + b;

      ^1    ^2  ^3       ^4   ^5  ^6


In other words, it works as it always has.

Meanwhile, in `js-ts-mode':

export const add = (a, b) => a + b;
                ^1       ^2   ^3  ^4

From ^1 and back with `C-M-b'

export const add-!- = (a, b) => a + b;

export const add = (a, b) => a + b;
             ^1

At this point, `C-M-b' no longer goes back. It is stuck.


Another example:

-!-console.log("Addition result:", result1);

With `C-M-f':

console.log("Addition result:", result1);

       ^1                               ^2


This affects every single -sexp function that uses either
`forward-sexp-function' or `transpose-sexp-function' to do its job.

Thanks.





             reply	other threads:[~2024-09-21  5:06 UTC|newest]

Thread overview: 13+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2024-09-21  5:06 Mickey Petersen [this message]
2024-09-26  7:42 ` bug#73404: 30.0.50; [forward/kill/etc]-sexp commands do not behave as expected in tree-sitter modes Yuan Fu
2024-09-26  9:56   ` Mickey Petersen
2024-09-26 10:53     ` Eli Zaretskii
2024-09-26 12:13       ` Mickey Petersen
2024-09-26 13:46         ` Eli Zaretskii
2024-09-26 15:21           ` Mickey Petersen
2024-09-26 15:45             ` Eli Zaretskii
2024-09-27  5:43               ` Yuan Fu
2024-09-29 16:56                 ` Juri Linkov
2024-10-01  3:57                   ` Yuan Fu
2024-10-01 17:49                     ` Juri Linkov
2024-10-02  6:14                       ` Yuan Fu

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