Re: [jdt-core-dev] Current state of BETA_JAVA8

[Daniel Megert <daniel_megert@xxxxxxxxxx>]

Hi Tom

We use the same process to ship Java
8 support as we did for Java 7: As soon as we have something usable for
the community, we will provide feature patches. For Java 7, the first one
appeared together with the 3.7 release, end of June. Shipping a preview
as part of Kepler GA or in a 4.4 milestone is not possible for legal reasons.
For Java 7, we had an almost feature-complete patch ready together with
Java 7 GA and then officially delivered it in the next development milestone
and in 3.7 SR1. Unfortunately, for Java 8 we will not be able to deliver
all the IDE features when Java 8 goes GA. Our very ambitious goal is to
have at least the compiler (ECJ) ready by then and also have the Java editor
in a state that one can write Java 8 code. Other parts of the IDE, like
Search, Refactoring and Quick Assist/Fix will only be feature-complete
with Kepler SR2 or even 4.4 in 2014. There are several reasons for this
delay:

The Java 8 umbrella JSR and the two
JSRs that cover the major Java 8 features are still in the early draft
stage. The two JSRs are still undergoing changes (we know, since we are
part of the expert group) which affect the implementation (compiler, AST,
etc). The umbrella JSRs, and probably the two others, are planned to go
to public review only in May [1] and have to be approved by the JCP Executive
Committee.

The JDT team lost 4 members with no
overlap to train the new ones, which puts a high load on the remaining
committers, reducing their ability to work on Java 8 full-time 

The JDT Core team power and leadership
changed by January 1, 2013 [2]


Note that other IDEs are in a different
position since they do not implement the complete compiler, but instead
use 'javac' to generate class files. You can also do this in Eclipse by
disabling the Java Builder and instead register an Ant task that calls
'javac'. If you do that, you can write and compile Java 8 code inside Eclipse,
but you won't get any IDE support.


Dani

[1] http://openjdk.java.net/projects/jdk8/spec/
[2] http://dev.eclipse.org/mhonarc/lists/jdt-core-dev/msg02239.html

From:	Tom Schindl <tom.schindl@xxxxxxxxxxxxxxx>
To:	jdt-core-dev@xxxxxxxxxxx,
Date:	21.01.2013 22:37
Subject:	Re: [jdt-core-dev] Current state of BETA_JAVA8

---

Hi Srikanth,

Thanks for the info although I hoped for better news, other IDEs already
have experimental support for Java8. Your answer leaves the impression
that you are not even sure you can ship a ECJ release in time of Java8
(not even speaking of Kepler).

Tom

Am 21.01.13 05:46, schrieb Srikanth S Adayapalam:
>> From: Tom Schindl <tom.schindl@xxxxxxxxxxxxxxx>
>> Sent by: jdt-core-dev-bounces@xxxxxxxxxxx
>>
>> Hi,
>>
>> I wanted to give the BETA_JAVA8 branch a try today to test how
lambda
>> and friends feel but although the editor marks no errors the generated
>> byte code is not working at all.
> 
> It is going to be a quite a while before we are functionally complete.
We
> have serious issues with staffing the effort - we have managed to
build
> the team to full strength, but the team is still in training mode
for the
> most part.
> 
> https://bugs.eclipse.org/bugs/show_bug.cgi?id=380190#c3captures
the
> status.
> 
> Srikanth
> 
> 
> _______________________________________________
> jdt-core-dev mailing list
> jdt-core-dev@xxxxxxxxxxx
> https://dev.eclipse.org/mailman/listinfo/jdt-core-dev
> 


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