Re: [aspectj-dev] AspectJ weaver to 1.5?

[Simone Gianni <simoneg@xxxxxxxxxx>]

Hi Andy,
drop 1.4 as soon as you want to, while it is (unfortunately) still 
meaningful to support a pre 1.5 runtime, it's useless to support a 
completely pre 1.5 developer environment.

I played with retroweaver back a couple of years ago when this issue 
popped up on Apache Cocoon, and it was doing quite a good job. I know a 
couple of projects that used it, then evolved to 1.5, but it helped 
smooth the process.

Simone

Andy Clement wrote:
> The inability to use generics/autoboxing and most importantly of all
> covariance is extremely painful when working on the compiler and
> weaver.  I'm toying with upgrading the code (as I work on it) to use
> these Java 5 features.
>
> I wanted to collect any comments people have?
>
> - how important is it that the compiler/weaver are still usable on Java 1.4?
> - does anyone have experience of using something like retroweaver to
> create a 1.4 variant of a 1.5 built codebase - does it work ok?
>
> This won't affect the ability to process  back level classes or
> produce back level classes, it just means the execution of the
> compiler and weaver will require a 1.5 JRE.
>
> cheers,
> Andy
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--
Simone Gianni            CEO Semeru s.r.l.           Apache Committer
http://www.simonegianni.it/