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From Tim Ellison <t.p.elli...@gmail.com>
Subject Re: [vote] Require compiler options that allow partial 5.0 language features
Date Sun, 19 Mar 2006 15:18:57 GMT
Geir Magnusson Jr wrote:
> 
> 
> Tim Ellison wrote:
>> It is available in both Sun and Eclipse compilers (as different names),
>> so I'll take that as +1.
> 
> How about IBM?

Yes, I meant 'Sun-derived'.  IBM's Java SDK didn't take that option out,
and I would expect to see it in BEA's etc too.

Regards,
Tim

>> Of course, as soon as the JCHEVM can understand 1.5-format class files
>> we'll drop the target flag.
>>
>> Regards,
>> Tim
>>
>> Geir Magnusson Jr wrote:
>>>
>>> Tim Ellison wrote:
>>>> As discussed on the list, there is a compiler option in the 5.0
>>>> compilers we use that allows source code containing a subset of Java
>>>> 5.0
>>>> language features to be compiled into 1.4 compatible class files.
>>>>
>>>> Since this is quite a significant change I'd like to get a vote on
>>>> whether the project should make this compiler option a necessity for
>>>> our
>>>> code.
>>> I'm scared of tying us to only 1 compiler, although it would be nice to
>>> get going on some of the 5.0 features.
>>>
>>>> The positive outcome of this is that we can develop APIs that rely on
>>>> those 5.0 language features, and run the resulting code on existing
>>>> 1.4-compatible VMs.
>>>>
>>>> The downside is that we are using an undocumented compiler feature on
>>>> the reference implementation (it is supported on the Eclipse compiler).
>>>>
>>>> [ ] +1 - Yes, change the build scripts to compile 5.0 code to 1.4
>>>> target
>>>> [ ]  0 - I don't care
>>>> [ ] -1 - No, don't change the compiler options (please state why)
>>> +1 as long as this can be found in both the Sun and Eclipse compilers,
>>>
>>> -1 if not
>>>
>>> geir
>>>
>>>
>>
> 

-- 

Tim Ellison (t.p.ellison@gmail.com)
IBM Java technology centre, UK.

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