On 13-04-08 07:57 AM, Dirk Eddelbuettel wrote:
On 8 April 2013 at 16:37, Stefano Calza wrote:
| 1) open R in emacs (M-x R) and load the *.so. At developement stage it might
be
| useful to use sourceCpp
| 2) open gdb (M-x gdb) in emacs
| 3) look for R session id (see "ps" command), let's assume it's 1234
| 4) In the gdb shell:
| a) attach 1234
| b) set breakpoints
| c) signal 0
| 5) now run R commands and you'll get the debugger stop once into you code
Right -- there is a write-up by Doug Bates "somewhere". Might have an older R
News / R Journal that documents this but have the gist of it here: find the
process, attach to it, be merry.
I run "R -d gdb" instead. From the terminal
1. type "R -d gdb" at the shell prompt
2. when gdb starts, type "r"
3. R will start -- at the R prompt load your package: "library(yourpackage)"
4. type Ctrl-C to drop back into the debugger
5. set breakpoints ("break file.cpp:123" or "break MyFunction")
6. type "c" to continue executing R
7. invoke the relevant functions in your package.
Davor
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