IMPORTANT: Missing feature in MethodHandles?

Charles Oliver Nutter headius at headius.com
Fri Jun 10 17:12:35 PDT 2011


I just posted your trick (a "duh" moment for me) to JVM-L, along with
an explanation of why it doesn't solve the try/finally problem. The
exceptional and non-exceptional paths need to be exclusive to match
what try/finally does.

- Charlie

On Fri, Jun 10, 2011 at 7:05 PM, Charles Oliver Nutter
<headius at headius.com> wrote:
> On Fri, Jun 10, 2011 at 6:55 PM, John Rose <john.r.rose at oracle.com> wrote:
>> On Jun 10, 2011, at 4:39 PM, Charles Oliver Nutter wrote:
>>
>>> Please tell me I'm wrong, or tell me that we can modify catchException
>>> in some way to also allow post-processing of non-exceptional results
>>> (with return value inserted where the Throwable would go)!
>>
>> I think this does what you want:
>>
>>  mh = foldArguments(postProcessor, mh);
>
> Yup, it's close, but see my other post just now to JVM-L. It's not
> possible to do two mutually-exclusive finally paths for both
> exceptional and non-exceptional.
>
> Am I wrong?
>
> - Charlie
>


More information about the mlvm-dev mailing list