[ESS] looking for definitions of R functions

[Lionel Henry]

The development version is integrated with xref based on function srcrefs.
It should work with sourced scripts and local packages installed with srcrefs.
We'll try to make it work with non-local packages as well.

Lionel

> On 22 juin 2018, at 11:15, Stephen Eglen via ESS-help <ess-help using r-project.org> wrote:
> 
> Hello,
> 
> what are people using (if anything) to find declarations of R functions
> within Emacs buffers?  e.g. when point is on the name of a function, you
> hit a keybinding to look up the definiton of that function.
> 
> I just had some success with using dumb-jump.el
> https://github.com/jacktasia/dumb-jump  -- it has a notion of a project
> folder within which it will search for R function definitions
> dynamically using a grep variant.  (It doesn't always work -- e.g. I
> can't yet get it to fund hidden functions that begin with a period,
> since I think it does not recognise the . as beginning of a word.)
> 
> But I'm just wondering if others had success with other packages?  We
> mention TAGS files in our ESS documentation, and rtags.
> 
> Stephen
> 
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