Le 13 déc. 2013 à 00:15, Simon Urbanek <simon.urba...@r-project.org> a écrit :
> > 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 Thanks. That confirms what I feared. Back at low level manipulation of call stack and frame stack then. :/ Romain ______________________________________________ R-devel@r-project.org mailing list https://stat.ethz.ch/mailman/listinfo/r-devel
