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Re: Branch for generics
Re: Branch for generics
Wed, 11 Aug 2004 09:48:05 +0200
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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.
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.
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 ...)
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