Re: etags-regen-mode: handling extensionless files

[Dmitry Gutov <dgutov@yandex.ru>]

Hi Sean,

On 20/09/2024 12:20, Sean Whitton wrote:

> I'm working on a Perl project which has .pm files (which should be added
> to etags-regen-file-extensions; I've written mail about that) but also
> programs intended for execution, which have no file extension:
>      <https://salsa.debian.org/dgit-team/dgit>.
> E.g. 'dgit' and 'git-debrebase' in the project root.
> 
> On the one hand, it makes sense not to index these files because they're
> programs not libraries, so their internal definitions won't ever be
> referenced elsewhere.

They're probably referenced internally though, at least once.

> On the other hand, it would be nice just to be able to use a simple
> M-. to jump to definition, and not have to think about whether the
> function is defined in the program or in a library.
> 
> Should we have some etags defcustom that allows specifying extra files
> to index?  Or, as another idea, maybe etags could somehow include
> looking at what imenu finds?  Might be too clever.

I guess we could add that extra option.

But see my other email regarding etags' hashbang detection.