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Re: [ajdt-dev] Issue with generics, possibly AJDT related?
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Yes. Looks like you've found another bug. :)
I'll dig deeper into this tomorrow. We're getting ready for the AJDT
2.0.2 release and I don't know if this fix will make it in...
On Wed, Dec 30, 2009 at 8:04 PM, Michel Parisien <codingkriggs@xxxxxxxxx> wrote:
> Hello everyone,
>
> Background on this e-mail can be found especially at this posting:
> http://dev.eclipse.org/mhonarc/lists/aspectj-users/msg11631.html
> as well as at this bug report:
> https://bugs.eclipse.org/bugs/show_bug.cgi?id=298665
>
> But I will try to recap everything here.
>
> Essentially I tried creating an Eclipse AspectJ project with just one
> MyAspect.aj file (in the default namespace) with the following contents (toy
> example):
>
> public aspect MyAspect
> {
> public interface MyInterface
> {
> }
>
> declare parents: MyObject implements MyInterface;
>
> public boolean MyInterface.instanceOf(Class<? extends Object> c)
> {
> return c.isInstance(this);
> }
> }
>
> class MyObject
> {
> }
>
> class Main
> {
> public static void main(String[] args)
> {
> new MyObject().instanceOf(MyObject.class);
> }
> }
>
> I get, over "instanceOf" in the main method, the following error: "The
> method instanceOf(Class<Object>) from the type MyObject refers to the
> missing type Object". Notice that it is declared as Class<? extends Object>
> but during weaving becomes Class<Object>.
>
> Here is my setup:
>
> * Mac OS X 10.4 Tiger
> * Eclipse Galileo
> * Mac OS X JavaVM 1.5.0 (J2SE-1.5)
> * AspectJ 1.6.6
> * AJDT 2.0.1
>
> I downloaded the standalone aspectj-1.6.6.jar at
> http://www.eclipse.org/aspectj/, installed it correctly, and ran the command
> "ajc -1.5 MyAspect.aj -showWeaveInfo" and it didn't give me that error (or
> any other error). What it did give me was the following:
>
> Type 'MyAspect$MyInterface' (MyAspect.aj) has intertyped method from
> 'MyAspect' (MyAspect.aj:'boolean
> MyAspect$MyInterface.instanceOf(java.lang.Class<? extends
> java.lang.Object>)')
>
> Extending interface set for type 'MyObject' (MyAspect.aj) to include
> 'MyAspect$MyInterface' (MyAspect.aj)
>
> Type 'MyObject' (MyAspect.aj) has intertyped method from 'MyAspect'
> (MyAspect.aj:'boolean MyAspect$MyInterface.instanceOf(java.lang.Class<?
> extends java.lang.Object>)')
>
> So I think there is a disconnect between how ajc behaves on the command line
> and how ajdt behaves in Eclipse. I'd be particularly curious to know if
> there are any setups possible that would get Eclipse to weave this properly.
> Right now I am removing a ton of generics from my project, but you can
> obviously understand that I would prefer to keep them around if at all
> possible. :)
>
> Thank you,
>
> -Michel
>
>
> _______________________________________________
> ajdt-dev mailing list
> ajdt-dev@xxxxxxxxxxx
> https://dev.eclipse.org/mailman/listinfo/ajdt-dev
>
>
