On Sep 7, 2010, at 2:06 PM, ghostwheel wrote: > > I wrote the interface between R and TeXmacs. Recently, I added tab > completion. However, there is one slight problem. In order to enable easy > interaction with R, I (I.e. my program) interact with the command-line > interface. This means that the user can invoke demo(), and then R will > interact with the user and ask to press enter. > It also means that the user can enter > a<-c(3,4 > and then R will respond with '+'. > > The problem is this: the way I implemented tab completion is calling an R > function that creates the completion. But, while in the middle of user > input, I can't call a function. >
Why not? After the "+" prompt you're back in ReadConsole so it's safe. Cheers, Simon > I guess that ESS for emacs has the same problem. when I enter "a<-c(3,4", > and then on the next line try to do tab completion, ESS replies that 'ESS > process is not ready. Finish your command before trying again'. > Of course while interacting with R on the command line, tab completion does > work. > > So, the question is - is there any way to interrupt the current input to R, > call a function, get the return value, and then continue with the input > where it was? To do something similar to what pressing 'tab' in R does > internally? Something like the equivalent of ctrl-Z for a shell? > > -- > View this message in context: > http://r.789695.n4.nabble.com/Is-an-R-sub-session-somehow-possible-tp2530174p2530174.html > Sent from the R devel mailing list archive at Nabble.com. > > ______________________________________________ > R-devel@r-project.org mailing list > https://stat.ethz.ch/mailman/listinfo/r-devel > > ______________________________________________ R-devel@r-project.org mailing list https://stat.ethz.ch/mailman/listinfo/r-devel
