Re: Branch for generics

[Matthias Pfisterer]

Hi,

I' happy to see movement in this area!

In spring, I started implementing generics. However, I'm now doing my 
master's thesis, so I'm busy and stalled development. I'll send you my 
development state in a private mail. Use at your will.

And a remark to the conditions: "a majority of VMs" could perhaps really 
mean "a majority of compilers". As far as I remember, the changes in the 
class format used for generics are backward-compatible. Indeed, I had no 
problems to run code using generics and compiled by the javac of the JDK 
1.5 with the VM of the JDK 1.4.

Matthias


Tom Tromey wrote:
> I'm going to make a branch for generics work, including all the other
> parts of 1.5; for the most part these rely on generics and can't be
> done independently anyway.  I plan to name it "generics-branch".
>
> * Commit rules.
>   Only commit changes related to generics or other 1.5 work; other
>   changes should go on the trunk (so no sneaking random changes in
>   via the branch :-).
>   Post your patches as usual, but put `[generics]' in the Subject.
>   There is no need for approval for these patches.
>
> * Lifetime.
>   I propose we merge the branch to mainline when two criteria are met:
>
>   1. A majority of Classpath-using VM implementors agree that they
>   have access to a compiler suitable for compiling the branch.
>
>   2. A majority of Classpath-using VMs can actually use this version
>   of Classpath, though perhaps not perfectly.  (In particular here
>   I'm thinking that it is probably ok if the new reflection code does
>   not work -- the VM will still be able to bootstrap, it just won't
>   implement all of 1.5 faithfully.)
>
> * What's there.
>   So far I've written Iterable and converted a good chunk of the
>   existing collections classes.  None of this has been compiled at
>   all yet.  Feel free to help out, there is plenty to do :-)
>
>
> I'm personally planning to use this code to help debug the generics
> (and other 1.5 stuff) in gcjx; hopefully it can serve the same purpose
> for the generics branch of jikes.  (Probably a quicker route to a free
> 1.5-ish compiler will be via Eclipse ...)
>
> Tom
>
>
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Matthias Pfisterer      address@hidden
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