-----Original Message-----
From: r-devel-boun...@r-project.org
[mailto:r-devel-boun...@r-project.org] On Behalf Of Vadim Ogranovich
Sent: Friday, October 15, 2010 11:45 AM
To: 'Joshua Ulrich'
Cc: r-devel@r-project.org
Subject: Re: [Rd] calling browser on error
Joshua,
I didn't know about 'recover', thank you!
Anyway it doesn't work for me:
tryCatch((function() { x <- 1; stop('ok') })(), error=recover())
Enter a frame number, or 0 to exit
1: tryCatch((function() {
Selection: 1
Called from: eval(expr, envir, enclos)
Browse[1]> x
Error: object 'x' not found
Browse[1]> Q
Though it does work if I set options(error = recover):
options(error = recover)
(function() { x <- 1; stop('ok') })()
Error in (function() { : ok
Enter a frame number, or 0 to exit
1: (function() {
Selection: 1
Called from: eval(expr, envir, enclos)
Browse[1]> x
[1] 1
Browse[1]> Q
I do not run the latest R so it might be the reason:
version
_
platform i386-pc-mingw32
arch i386
os mingw32
system i386, mingw32
status
major 2
minor 9.1
year 2009
month 06
day 26
svn rev 48839
language R
version.string R version 2.9.1 (2009-06-26)
-----Original Message-----
From: Joshua Ulrich [mailto:josh.m.ulr...@gmail.com]
Sent: Friday, October 15, 2010 1:31 PM
To: Vadim Ogranovich
Cc: r-devel@r-project.org
Subject: Re: [Rd] calling browser on error
I believe options(error=recover) will do what you want.
--
Joshua Ulrich | FOSS Trading: www.fosstrading.com
On Fri, Oct 15, 2010 at 1:27 PM, Vadim Ogranovich
<vogranov...@jumptrading.com> wrote:
Dear R-developers,
I am trying to figure out a way to call browser() when an
error occur, and naturally I want the browser() to be called
in the environment of the error.
I tried something simple in vain:
f <- function() { x <- 1; stop('ok') }
tryCatch(f(), error=browser())
Called from: tryCatch(f(), error = browser())
## if browser() was called in the local environment of f
then 'x' would be set, but it's not
Browse[1]> x
Error: object 'x' not found
Browse[1]> Q
Is there a way to make it work? What do people do to 'set
an on-error breakpoint'?
Thanks,
Vadim
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