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bug#61208: 29.0.60; treesit-beginning/end-of-defun problem with macros i
From: |
Theodor Thornhill |
Subject: |
bug#61208: 29.0.60; treesit-beginning/end-of-defun problem with macros in c-ts-mode |
Date: |
Wed, 01 Feb 2023 14:10:48 +0100 |
Eli Zaretskii <eliz@gnu.org> writes:
>> Cc: yang.yingchao@qq.com
>> Date: Wed, 01 Feb 2023 14:33:24 +0800
>> From: Yang Yingchao via "Bug reports for GNU Emacs,
>> the Swiss army knife of text editors" <bug-gnu-emacs@gnu.org>
>>
>>
>> #define SWITCH()
>> #define CASE(name) case name:
>>
>> void func(int i) // LINE_E
>> {
>> SWITCH(i) // LINE_D
>> {
>> CASE(A) // LINE_C
>> {
>> ;
>> }
>> CASE(B) // LINE_B
>> {
>> ; // LINE_A
>> }
>> }
>> }
>>
>> When cursor is at LINE_A, and stoke `C-M-a`, cursor will go to LINE_B;
>> then `C-M-a` again, cursor goes to LINE_C, then `C-M-a` again, LINE_D,
>> and `C-M-a` again, finally to LINE_E...
>
> Set treesit-defun-tactic to 'top-level, and your problem is solved.
>
> Yuan, Theo: do we want to have that set by default in ts-c-mode? C
> doesn't have nested functions, so it should be a better default, what
> with all the cpp madness that the C grammar doesn't grok.
>
> Maybe also in C++ and Java -- AFAIU they don't have nested functions
> either.
>
> WDYT?
I'm fine with that change, I think. Other, "smaller" constructs can be
found as sentences or sexps anyway, I think.
Theo