[ESS] S+ re-factoring ( some recent bugs/annoyances)

gerald.jean at dgag.ca gerald.jean at dgag.ca
Wed Dec 12 16:28:58 CET 2012

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Vitalie Spinu <spinuvit at gmail.com> a écrit sur 2012/12/12 08:41:32 :

> Dear Gerald and other S+ users,
>   >> gerald.jean at dgag.ca
>   >> on Wed, 14 Nov 2012 10:34:46 -0500 wrote:
>   > Thank you very much, I am a long time user of ESS (10+ years) and
>   > "feature" introduced with a more R-slanted ESS was for me an
> There have been a couple of consistency measures taken with respect to
> naming conventions in ESS[S+]. From now on ESS does not keep track of S+
> versions with one-emacs-package-per-S+-version as it did before, but
> rather one common S+ package for all versions. All variables and
> function names are now figured as *-S+-* instead of the old *-S+6-*. The
> main entry function is S+ and the ess-dialect name is also S+. Program
> location is in inferior-S+-program-name, and it defaults to Splus on
> unix-like machines.
> These changes do not mean that you have to change any of your
> configuration files, the old names have been kept as aliases.
> As we don't have too many S+ testers in ess-core (only one actually), we
> would appreciate if some of you can test ESS[S+] from SVN before the
> next update release.

I am willing to test this release from SVN but have never installed
anything from SVN, where do I find how to do it???

>   > Another annoyance is that I can't get a function's argument
listanymore by
>   > just pressing F3, and I think any R-Splus user will use this feature
>   > several times a day, in R, no problems, works fine but not in Splus
>   > anymore!!!
> I would like to solve this, but I don't have S+.
> You mean eldoc arguments right? F3 is your custom shortcut. In order to
> implement even a basic eldoc for S+ I need to know how all arguments of
> a function could be retrieved.
> Does the following work?
>   > argsAnywhere("plot")
>   function (x, y, ...)
>   NULL

argsAnywhere does not exists in S+.

>   > args("plot")
>   function (x, y, ...)
>   NULL
>   >

This works, with and without quotes around the function's name.

> In addition to the above, R has utils:::functionArgs that returns all
> the posible arguments of function's methods (S3 only). S+ is completely
> S4 right? Is there an easy way to retrieve all posible arguments of all
> the methods of a function?

S+ still has a lot of S3 functions.  I have no idea how to retrieve all the
arguments of all methods of a function??  But I could search for it if

>     Thanks,
>     Vitalie.

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