[ESS] R-mode: forward-sexp: Scan error: "Unbalanced parentheses"

[Aleksandar Blagotić]

I managed to reproduce the error on Xubuntu 11.10 installed on VM.
With nothing more than

sudo apt-get install emacs r-base-dev ess

should I go even deeper and blame my CPU architecture? =)

aL3xa



2011/12/6 Vitalie Spinu <spinuvit at gmail.com>:
> I cannot reproduce it either,
> This has probably something to do with your personal setup.
>
> Vitalie.
>
> 2011/12/6 Aleksandar Blagotić <aca.blagotic at gmail.com>:
>> Hm, that is strange... maybe it has something to do with Arch Linux
>> packages. I'll investigate this one further and report back.
>>
>> Thanks,
>>
>> aL3xa
>>
>>
>>
>> On Tue, Dec 6, 2011 at 02:08, Michael Hannon <jm_hannon at yahoo.com> wrote:
>>>
>>> > Let's presuppose that I have a function like this:
>>> >
>>> > fn <- function(x, ...){
>>> >   re <- "^#{1,6} [[:print:]]+$"
>>> >   grepl(re, x, ...)
>>> > }
>>> >
>>> > As soon as I put my cursor at the end of the line with regexp, and
>>> > press RET, I get this error:
>>> >
>>> > forward-sexp: Scan error: "Unbalanced parentheses"
>>> >
>>> > I cannot indent the line with regex, and error comes up, though I've
>>> > provided a valid R regular expression. Sometimes it hogs Emacs and I
>>> > need to kill -s 9 it. =/
>>> > Any ideas how to mend this?
>>> > (I'm using  Emacs 23.3.1 with ESS grabbed from SVN repos)
>>>
>>> Hi, Aleksandar.  I don't have a solution to your problem, but it appears that I
>>> don't have the problem on my system.  Please see the appended for details.
>>>
>>> Do I have the details correct?
>>>
>>> -- Mike
>>>
>>> Emacs  : GNU Emacs 23.3.1 (x86_64-redhat-linux-gnu, GTK+ Version 2.24.7)
>>>  of 2011-11-23 on x86-16.phx2.fedoraproject.org
>>> Package: ess-mode 5.14
>>>
>>> > x <- "foobar"
>>> > y <- "### abc"
>>> > fn <- function(x, ...){
>>> +   re <- "^#{1,6} [[:print:]]+$"
>>> +   grepl(re, x, ...)
>>> + }
>>> > fn(x)
>>> [1] FALSE
>>> > fn(y)
>>> [1] TRUE
>>
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