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Re: [ajdt-dev] Issue with generics, possibly AJDT related?
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Raised bug https://bugs.eclipse.org/bugs/show_bug.cgi?id=298683
On Wed, Dec 30, 2009 at 10:59 PM, Andrew Eisenberg <andrew@xxxxxxxxxxxx> wrote:
> 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
>>
>>
>
