On Dec 12, 2013, at 3:32 PM, Romain François <rom...@r-enthusiasts.com> wrote:
> Hello, > > I’m looking for examples on how to manipulate the ... internally, e.g. in a > .Call or .External function. > > I’m particularly interested in accessing the environment in which each > contribution to ... can be evaluated. > Arguments in ... are evaluated *before* being passed down to .Call/.External so there is no ... by the time you enter the C code. AFAIR R doesn't allow you to get at the promises outside of internal code, so you either get the call or the values, but nothing in between. Cheers, Simon > So far, I’m using tricks involving passing down the sys.calls() and > sys.frames() down to the C function. The documentation in > http://cran.r-project.org/doc/manuals/R-ints.html#Dot_002ddot_002ddot-arguments > did not help me a lot. > > Romain > ______________________________________________ > 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
