[ESS] Weaving: "ess-get-process: No ESS process is associated with this buffer now"

[Mathieu Basille]

Dear Vitalie,

Le 03/11/2014 06:16 PM, Vitalie Spinu a écrit :
>
> Yeh, automatic buffer association is missing somewhere. Is this
> polymode?

Yes, this is polymode, which is (on my setup) automatically loaded on R 
Markdown files.

> The workaround is to associate the process with C-c C-s first and weave
> later.

Oh, I did not know of C-c C-s, very useful! I used to just load the first 
line of the code (usually a call to 'library(...)'). Much better!

Thanks!
Mathieu.


>     Vitalie
>
>
>   >>> Mathieu Basille on Tue, 11 Mar 2014 11:21:09 -0400 wrote:
>
>   > Dear list,
>
>   > Here is a simple 'evaluate' problem, when I want to 'weave' a document (in my
>   > case  using knitr, but I think it is irrelevant).
>
>   > * ess-eval-region-or-line-and-step (C-return)
>
>   > Right after opening a Rmd document (i.e. R not yet launched), if I use the
>   > general evaluation function, this works as expected: A new R is started, and the
>   > region or line is evaluated.
>
>   > * ess-swv-weave (M-n s)
>
>   > However, right after opening a Rmd document (i.e. R not yet launched), if I use
>   > ess-swv-weave instead, Emacs throws an error:
>
>   > 	ess-get-process: No ESS process is associated with this buffer now
>
>   > A new R is started, but nothing happens: the document is not weaved. I have to
>   > do it again now that R si started to make it work. Note that if I first evaluate
>   > a region/line, then weaving works as expected.
>
>   > Emacs: GNU Emacs 24.3.1 from Debian
>   > ESS: 13.09-2 from ELPA
>
>   > Is there a workaround for this?
>   > Mathieu.
>

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Mathieu Basille, PhD

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University of Florida \\
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http://ase-research.org/basille

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