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Re: gtags-find-tag and gtags-find-rtag in C-code


From: Eli Zaretskii
Subject: Re: gtags-find-tag and gtags-find-rtag in C-code
Date: Tue, 02 Jun 2015 19:13:09 +0300

> From: Peter Münster <pmlists@free.fr>
> Date: Tue, 02 Jun 2015 18:01:56 +0200
> 
> On Tue, Jun 02 2015, Eli Zaretskii wrote:
> 
> >> I would like to be able to jump do definitions and references of
> >> identifiers in C-code.
> >
> > I suggest to use GNU ID-Utils and its Emacs front-end idutils.el for
> > that.  That's exactly what that package is for.
> 
> It seems, that it's just a better grep

It's a syntax-sensitive grep, yes.

> but I don't see a possibility to jump to a definition.

ID-Utils don't distinguish between definitions and references, they
just tag places where symbols are used in any capacity.

> Is there support for pushing and popping the locations (for jumping
> back and forth)?

The development sources for Emacs have that via xref, I think.

> Shouldn't gtags do the job, just with the right setup, that I am
> probably missing?

I don't use gtags, but isn't it just for definitions?




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