If I understand correctly for jumps we can get rid of filling stack
trace, so it will be more or less effective.
On 10/20/07, Charles Oliver Nutter <[EMAIL PROTECTED]> wrote:
>
> With more and more discussion about closures and non-local flow control
> and various stack-manipulating events becoming part and parcel on the
> JVM, it seems like we need to introduce a new exception type.
>
> There's two reasons for this:
>
> - catch (Throwable t) or catch (Error e) would break current non-local
> flow control mechanisms based on exceptions or errors
> - some of you whiners don't like us using exceptions or errors for
> non-local flow control
>
> So, what about a new type of exception-like feature: Jump
>
> public class Jump {}
>
> public class NonLocalReturn < Jump {
> Object returnValue;
> }
>
> Jumps would not be catchable as either errors or throwables, though they
> would still trigger finally blocks. Because they'd be a new class of
> exception-like feature, no existing code would be incorrectly trying to
> catch them. And they're explicitly stated to be used for these sorts of
> "jump" events.
>
> Thoughts?
>
> - Charlie
>
> >
>
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