[armedbear-devel] Fwd: Catching CL errors in java

[Jonathan Fischer Friberg]

Sorry!
Accidentally sent mail only to Alessio.
If anyone else would like to help, the info/questions are below.

Jonathan

---------- Forwarded message ----------
From: Jonathan Fischer Friberg <odyssomay at gmail.com>
Date: Tue, Feb 19, 2013 at 5:50 PM
Subject: Re: [armedbear-devel] Catching CL errors in java
To: Alessio Stalla <alessiostalla at gmail.com>


It might be that I'm in the wrong package. Although the repl is in cl-user,
and even if I change to that package the code in the previous mail has no
effect.

Jonathan


On Tue, Feb 19, 2013 at 5:36 PM, Jonathan Fischer Friberg <
odyssomay at gmail.com> wrote:

> I don't know if this is the correct way to do it, but I did:
>
> (defparameter *debugger-hook*  #'sys::%debugger-hook-function)
>
> In the repl (from running java -jar abcl.jar), this worked as expected.
> However, I can't seem to get it working with the .eval function of my
> interpreter instance.
>
> Jonathan
>
>
> On Tue, Feb 19, 2013 at 5:07 PM, Alessio Stalla <alessiostalla at gmail.com>wrote:
>
>> Short story: if you call into Lisp using the JSR-223 API, conditions
>> are automatically rethrown as Java exceptions.
>>
>> Long story: the way this is implemented is by binding *debugger-hook*
>> to an internal, probably undocumented function, that already does what
>> you want. It is called sys::%debugger-hook-function.
>>
>> On Tue, Feb 19, 2013 at 4:25 PM, Jonathan Fischer Friberg
>> <odyssomay at gmail.com> wrote:
>> > I should add that a solution from inside CL would also work. I'm using
>> the
>> > ABCL eval to execute all code, so maybe I could wrap the call with
>> something
>> > like this:
>> >
>> > (handler-case
>> >    (... do-stuff ...)
>> >    (... catch CL-condition + throw java exception ...))
>> >
>> > I don't know if that would work. Also, my CL skills are not good enough
>> to
>> > finish the code above (how do I capture all conditions?), so help would
>> be
>> > appreciated.
>> >
>> > Jonathan
>> >
>> >
>> > On Tue, Feb 19, 2013 at 3:30 PM, Jonathan Fischer Friberg
>> > <odyssomay at gmail.com> wrote:
>> >>
>> >> Hi again, :)
>> >>
>> >> I'm currently running CL-code from java. The gui is completely
>> implemented
>> >> on the java side. It would be nice if all errors occuring inside abcl
>> could
>> >> be captured from the java side (to be displayed in the gui as an
>> error). Is
>> >> that possible?
>> >>
>> >> Jonathan
>> >
>> >
>> >
>> > _______________________________________________
>> > armedbear-devel mailing list
>> > armedbear-devel at common-lisp.net
>> > http://lists.common-lisp.net/cgi-bin/mailman/listinfo/armedbear-devel
>> >
>>
>>
>>
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>
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