search for: r_objecttable

Displaying 5 results from an estimated 5 matches for "r_objecttable".

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2015 Apr 15
4
RObjectTables freezes in R 3.2.0 RC on 32bit systems
We recently started noticing freezes that appear only on 32bit systems (both linux and windows) with a relatively recent versions of R 3.2.0, including the RC. It looks like the problem can be traced back to the use of R_ObjectTables (see R_ext/Callbacks.h) The problem is a bit difficult to reproduce because it does not appear on x64 and because the official R interface to this functionality, the RObjectTables package from OmegaHat, is no longer maintained. I created a slightly updated version of RObjectTables package (added...
2009 Nov 05
1
combine UserDefinedDatabase and regular environments
Hello, Is it possible to have the effect of UserDefinedDatabase outside of "attached" environments ? Can I disguise an environment of the sys.frames() as a UserDefinedDatabase ? This seems to suggest that it might be possible : > f <- function(){ e <- environment(); class(e) <- "UserDefinedDatabase"; ff } > f() *** caught segfault *** address (nil),
2008 Feb 13
0
RFC for package PopCon: a popularity contest for R and packages
...else. 2. I'm willing to maintain the central server and work on the infrastructure, but help will definitely be needed. Also, if there's significant interested, maybe R core would be interested in this. 3. What exactly is PopCon tracking as far as symbol names go? It currently used an R_ObjectTable object attached to the search path to capture names, but is this the best way? see http://www.omegahat.org/RObjectTables/. It's also replacing base::getHook to trap library loads. 4. What else would be interesting to track? Some folks have suggested various bits of R.Version() output. Her...
2008 Feb 14
0
RFC for package PopCon: a popularity contest for R and packages
...else. 2. I'm willing to maintain the central server and work on the infrastructure, but help will definitely be needed. Also, if there's significant interested, maybe R core would be interested in this. 3. What exactly is PopCon tracking as far as symbol names go? It currently used an R_ObjectTable object attached to the search path to capture names, but is this the best way? see http://www.omegahat.org/RObjectTables/. It's also replacing base::getHook to trap library loads. 4. What else would be interesting to track? Some folks have suggested various bits of R.Version() output. Her...
2012 Mar 13
0
111 FIXMEs in main/src
...tricInfo expects */ -- engine.c:/* FIXME: should we warn on more than one character here? */ engine.c-int GEstring_to_pch(SEXP pch) -- envir.c: FIXME ? should this also unbind the symbol value slot when rho is envir.c- R_BaseEnv. -- envir.c: /* FIXME: This does not behave as described */ envir.c- R_ObjectTable *table; -- envir.c: /* FIXME: should we install them all?) */ envir.c- -- envir.c: /* FIXME: duplicate the hash table and assign here */ envir.c- } else { -- envir.c: /* FIXME: A little inefficient */ envir.c- while (R_HashSizeCheck(HASHTAB(s))) -- errors.c: /**** FIXME: should probably...