Re: Tree-sitter modes and nested functions

[Yuan Fu <casouri@gmail.com>]

> On Dec 1, 2022, at 1:55 PM, João Paulo Labegalini de Carvalho <jaopaulolc@gmail.com> wrote:
> 
> Hi,
> 
> While working on code navigation for sh-mode with tree-sitter I think I found a bug.
> 
> When invoking `treesit-search-forward' the deepest nested function is returned instead of the first found node.
> 
> ;; Contests of test.py
> #!/usr/bin/env python
>                          <---- Point position 1
> def foo():
>     def bar():           <---- Point destination 1
>         return 21
>     return 2 * bar()
>                          <---- Point position 2
> def fuz():
>     def bur():
>       def buz():         <---- Point destination 2
>         return 21
>       return buz() + buz()
>     return 1 * bur()

Yeah this is expected, treesit-search-forward searches leaf nodes first and then parent nodes. If you want to implement beginning/end-of-defun I suggest taking a look at treesit-defun-type-regexp and treesit-defun-prefer-top-level.

Yuan