Re: Tagging Fortran variables

[Marcus Harnisch]

On 06/08/2024 00.25, Christopher Howard wrote:
> Hi, part of my work is researches/troubleshooting in a big collection of old 
> Fortran code files. I want to be able to use the xref tools to help me. 
> However, it seems that etags does not tag Fortran variables, which 99% of the 
> time is what I am interested in. It looks like there is a way to tag anything 
> you want using regexps, so I was looking at the fortran.el code to see if maybe 
> I could find the magic regexp for this. But there is a lot going on here in 
> fortran.el that I don't understand yet and I am wondering if somebody might be 
> able to help me figure this out.

You may want to try Global (https://www.gnu.org/software/global/)
This in turn depends on Universal Ctags (https://ctags.io/),
and Pygments (https://pygments.org/)

On the Emacs side, I am using ggtags 
(http://elpa.gnu.org/packages/ggtags.html)

This combination served me well in many projects.