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Re: [aspectj-users] Use of generics intertypes
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When i first implemented generics support I didn't think we would be
able to manage it due to limitations in how we were extending the JDT
compiler. But I now believe we can do it - and I would like to at
some point.
Andy.
On 12/12/2007, neil loughran <loughran@xxxxxxxxxxxxxxxx> wrote:
> Thanks Andy,
>
> Is this something planned for the future?
>
> Cheers
> Neil
>
> > -----Original Message-----
> > From: aspectj-users-bounces@xxxxxxxxxxx [mailto:aspectj-users-
> > bounces@xxxxxxxxxxx] On Behalf Of Andy Clement
> > Sent: 12 December 2007 10:36
> > To: aspectj-users@xxxxxxxxxxx
> > Subject: Re: [aspectj-users] Use of generics intertypes
> >
> > > Cannot make inter-type declarations on type variables, use an interface
> > and
> > > declare parents public void T.setName() { }
> >
> > you cannot (currently) make itds on type variables like this:
> >
> > > public void T.setName() {... } // error
> >
> > but you can:
> >
> > interface Marker {}
> >
> > public void Marker.setName { ... }
> >
> > declare parents: T implements Marker;
> >
> > But you need to be careful in this area, it does still have a few bugs
> > I'm afraid...
> >
> > Andy.
> >
> >
> > On 12/12/2007, neil loughran <loughran@xxxxxxxxxxxxxxxx> wrote:
> > > Folks,
> > >
> > > I'm investigating the usage of generics in AspectJ and I am really
> > liking
> > > how it is implemented. However, one problem I've come across is that of
> > > generic introductions.
> > >
> > > For example, given the abstract aspect below
> > >
> > > abstract aspect Foo<T,S> {
> > >
> > > declare parents: T implements Serializable;
> > > declare parents: S implements Serializable;
> > >
> > > public void T.setName() {... } // error
> > >
> > > }
> > >
> > > And the concrete aspect
> > >
> > > aspect Test extends Foo<Person,Student> {
> > >
> > > }
> > >
> > > I get the following error:
> > >
> > > Cannot make inter-type declarations on type variables, use an interface
> > and
> > > declare parents public void T.setName() { }
> > >
> > >
> > > But I'm not entirely sure what this means. Can anyone advise (sic)...?
> > I'm
> > > unsure why my original code doesn't work.
> > >
> > > Regards
> > > Neil Loughran
> > >
> > >
> > >
> > >
> > > _______________________________________________
> > > aspectj-users mailing list
> > > aspectj-users@xxxxxxxxxxx
> > > https://dev.eclipse.org/mailman/listinfo/aspectj-users
> > >
> > _______________________________________________
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>
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