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bug#64442: 29.0.92; treesit-beginning-of-defun fails in DEFUN functions
From: |
Eli Zaretskii |
Subject: |
bug#64442: 29.0.92; treesit-beginning-of-defun fails in DEFUN functions in C |
Date: |
Fri, 07 Jul 2023 09:40:12 +0300 |
> From: Yuan Fu <casouri@gmail.com>
> Date: Thu, 6 Jul 2023 23:15:00 -0700
> Cc: 64442@debbugs.gnu.org
>
> > On Jul 4, 2023, at 4:39 AM, Eli Zaretskii <eliz@gnu.org> wrote:
> >
> > Why cannot we look for a top-level expression_statement node which is
> > a call_expression whose function identifier is "DEFUN" and whose
> > position is between the place where C-M-a was invoked and the place
> > where it does find a defun?
>
> It’s gonna be ugly, but I can take a jab at it this weekend. I’m thinking of
> a wrapper function that tries to detect DEFUN before falling back to the
> ordinary tree-sitter defun movement function.
Thanks. let's see how ugly it is before deciding whether it's worth it.
> > DEFUN's cannot be nested, so we don't need to consider that.
>
> Yeah, in general C sources don’t have nested defuns, only C++ ones do.
No, I meant the use of DEFUN macros in Emacs cannot be nested.