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From "Xiao-Feng Li" <xiaofeng...@gmail.com>
Subject Re: [general] Board report due
Date Wed, 10 Dec 2008 13:47:52 GMT
On Wed, Dec 10, 2008 at 9:26 PM, Tim Ellison <t.p.ellison@gmail.com> wrote:
> Xiao-Feng Li wrote:
>> Tim, the part for Ja.NET looks not very accurate. In my understanding,
>> Ja.NET uses entire Harmony (classlib+DRLVM) to run Java as is, and has
>> an adapter to run Java on .NET (default in Windows).
>
> I must have misunderstood Dave's description (hopefully he'll speak up
> if he's reading this list).
>
> From his blog [1]:
>
> "So in Ja.SE, each of the Harmony libraries gets translated into a .NET
> Assembly. If you look in the jre/bin/default directory, you'll see
> several janet.xxx.dll's (e.g. janet.luni.dll). Each one of these
> provides .NET implementation code for a corresponding Harmony class
> library module.
>
> "Now, when you run the Java launcher, you have the option of loading
> either the .NET VM or the Harmony JVM, based on command line options. By
> default, the launcher will load the VM contained in the jre/bin/default
> folder, which in a Ja.SE distribution, is Ja.NET/.NET. In default, there
> is a small shim (i.e. harmonyvm.dll) that is used to load up the .NET
> CLR and start it running. Depending on which VM the launcher starts, the
> appropriate set of class libraries (i.e. either .NET version or normal
> Java version), gets loaded and the application is off and running. "
>
>
> So AIUI, users have the option of running the regular Harmony class
> libraries on the DRLVM /or/ the specially compiled versions on the .NET
> VM.  Is that your understanding too?

Yes. Users can run their applications with Harmony or .NET CLR, the
latter with translated classlib.

Thanks,
xiaofegn

> [1] http://www.janetdev.org/Default.aspx?tabid=69&EntryID=4
>
> Regards,
> Tim
>



-- 
http://xiao-feng.blogspot.com

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