On Wed, Mar 14, 2012 at 3:27 PM, Vitalie Spinu <
[hidden email]> wrote:
>
> Hello,
>
> I am forwarding this from ESS mailing list, as it's a failure of
> internal R completion system:
>
> This fails:
>
> utils:::.assignLinebuffer('iris[iris$Spec')
> utils:::.assignEnd(15)
> utils:::.guessTokenFromLine()
> utils:::.completeToken()
> utils:::.retrieveCompletions() ## -> [1] "iris[iris$Spec"
>
> This works
>
> utils:::.assignLinebuffer('iris[ iris$Spec') # note the space after [
> utils:::.assignEnd(15)
> utils:::.guessTokenFromLine()
> utils:::.completeToken()
> utils:::.retrieveCompletions() ## -> [1] "iris$Species"
This is controlled by
> getOption("rl_word_breaks")
[1] " \t\n\"\\'`><=%;,|&{()}"
Basically [ does not break words into tokens (space does). You can
change this to
options(rl_word_breaks = paste(getOption("rl_word_breaks"), "[]", sep = ""))
But then the following won't work:
> x = list(aaa = list(AAA = 1, BBB = 2))
> x[[1]]$A<TAB>
-Deepayan
> Best,
> Vitalie.
>
>>>>> Andreas Leha <
[hidden email]>
>>>>> on Wed, 14 Mar 2012 10:21:37 +0100 wrote:
>
> >> Hi all,
> >> I am seeing strange behaviour with completion inside [].
>
> >> Suppose I have
> >> ttt <- data.frame(aaa=1, bbb=1)
> >> and I want to run
> >> ttt$aaa[ttt$aaa == 1] <- 2
>
> >> then completion at this point fails:
> >> ttt$aaa[ttt$aa<TAB>
>
> >> On the other hand, strangly enough, this works as expected:
> >> ttt$aaa[ ttt$aa<TAB>
>
> >> Regards,
> >> Andreas
>
> >> ______________________________________________
> >>
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> >>
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>
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