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Re: [aspectj-users] Joinpoint reflection
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Wes Isberg (wes@xxxxxxxxxxxxx) said:
> I'd be very interested in a function that could
> predict
> all join points. That would solve a lot of problems
> in
> computer science!
You believe that hogwash about the halting problem?
;) j/k.
Yes, I'm aware that some joinpoints are only
determinable at runtime....like, the "if" joinpoint.
I'm am, however, only interested in the "static
shadow" of the pointcuts.
> The IDE support also displays shadows
> using the AJDE structure model, so, e.g., you can
> view the methods affected by a pointcut.
Please, point me to documentation on the IDE
support--it may be what I'm looking for.
Here's a few of the applications I can see for this,
and the AJDE API may be just what I'm looking for:
1. Code coverage tool using aspectj --the code
coverage analyzer needs to not just know what is run
but what is NOT run.
2. An aspect J driven debugger--one needs to know
where one can set breakpoints.
3. An early warning/error detection system that is
more flexible than declare warning/declare error. The
code would have to be run, but it could output any
errors it might have on startup. To tell you the truth
I don't see much use for this.
My particular interest for this particular question is
in #1--and yes I'm aware of a few code coverage tools
already available. The only free one I could find,
however, is JUnit Quilt.
>I'd be interested in knowing why this is so
>necessary for your application, in case there's an
>important language or tool feature to implement.
As far as extending AspectJ--I started looking at it
because I wanted to transparently proxy certain
objects. However, I've discovered that I can't quite
do what I need with it, so I'm now looking at JOIE
(The Java Object Instrumentation Environment) and BCEL
(Byte code engineering library) to potentially solve
my problem. Its a crosscutting concern, but it
appears it would take quite a lot of extension to
AspectJ.
If anybody is interested in my application specific
needs for that purpose, I'd love to share them with
you.
Thanks,
-Scott Dossey
seveirein@xxxxxxxxx
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