Werner Schuster (murphee) wrote:
Martin Krauskopf wrote:
BTW it seems that there will be something like jruby-debug soon. I hope
I will have enough time to participate a lot on this piece. Might be
another debug-commons child or jruby-extras, does not matter to much.
jruby-debug would be good - BTW: yesterday I found out about a problem
in JRuby and set_trace_func
based debugging: if JRuby's JIT is turned on, this won't work, because
the code that the JIT emits doesn't call the trace function.
I guess, there's not much to do about this before 1.0, but I guess
filing this as a bug would is necessary for post-1.0.
If we would be able to come with jruby-debug soon (month, two?) I
thing that set_trace_func should be completely deprecated as a technique
for debugger implementation. It is quite unusable for any large
applications like, yup, rails.
But should be supported for other interpreters as a fall-back.
Also it seems that DLTK people would join us in the future with
debug-commons with DBGp implementation. Future seems quite good for
ruby-debugging thanks to your initial contribution Markus! ;)
Have they committed to sharing their DBGp implementation?
Andrey Platov wrote me that they would. But in the further future. They
do not have enough time currently. I think they are quite open-minded
folks. CCing Andrey then to talk for him.
They have a Ruby version in their CVS but it's not based on the
RDT/eclipse-debug code.
If there's an interest: I've been working on my own Ruby DBGp
implementation (with the RDT code as backend) - it's not complete, and
I'm still trying to get it to connect with DLTK, but it's coming along.
This is exactly the problem. We are all working on the same again and
again. I think we could cooperate and have something we could use all.
Then when there is bug, one of us just fix it and everybody has it for
free. Then we can concentrate to work on another advanced features wrt.
to Ruby debugging. Probably debug-commons could be the place to start?
:) And in the future it could become something like Java has in the
JPDA, maybe...
m.
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