Message-ID: <alpine.DEB.2.20.1712061422510.2953@luke-Latitude>
Date: 2017-12-06T20:23:42Z
From: Luke Tierney
Subject: tryCatch in on.exit()
In-Reply-To: <alpine.OSX.2.20.1712011652180.1706@lukes-macbook-air.local>
This should now be resolved in R-devel and R_patched.
Best,
luke
On Fri, 1 Dec 2017, luke-tierney at uiowa.edu wrote:
> Thanks -- will look into it.
>
> luke
>
> On Fri, 1 Dec 2017, William Dunlap via R-devel wrote:
>
>> The following example involves a function whose on.exit()
>> expression both generates an error and catches the error.
>> The body of the function also generates an error.
>>
>> When calling the function wrapped in a tryCatch, should
>> that tryCatch's error function be given the error from the
>> body of the function, since the one from the on.exit has
>> already been dealt with? Currently the outer tryCatch gets
>> the error from the on.exit expression.
>>
>> xx <- function() {
>> on.exit(tryCatch(
>> expr = stop("error in xx's on.exit"),
>> error=function(e) {
>> cat("xx's on.exit caught error: <<", conditionMessage(e), ">>\n",
>> sep="")
>> }))
>> stop("error in body of xx")
>> }
>> zz <- tryCatch(xx(), error=function(e)paste("outer tryCatch caught error
>> <<", conditionMessage(e), ">>", sep=""))
>> #xx's on.exit caught error: <<error in xx's on.exit>>
>> zz
>> #[1] "outer tryCatch caught error <<error in xx's on.exit>>"
>>
>>
>> Bill Dunlap
>> TIBCO Software
>> wdunlap tibco.com
>>
>> [[alternative HTML version deleted]]
>>
>> ______________________________________________
>> R-devel at r-project.org mailing list
>> https://stat.ethz.ch/mailman/listinfo/r-devel
>>
>
>
--
Luke Tierney
Ralph E. Wareham Professor of Mathematical Sciences
University of Iowa Phone: 319-335-3386
Department of Statistics and Fax: 319-335-3017
Actuarial Science
241 Schaeffer Hall email: luke-tierney at uiowa.edu
Iowa City, IA 52242 WWW: http://www.stat.uiowa.edu