Re: Re: Re: Detecting finally blocks?

a finally block is  just a catch block without a catch type in the jvm's 
exception table attribute.



Scott Vachalek wrote:
> Good point, I guess Jonathan will have to answer that.  I was thinking 
> he was looking just for the catch-all but reading it again, it does 
> look like a broader question and you are right - you'd nearly have to 
> implement a full decompiler to be able to find the finally blocks.
>
> On Thu, Dec 17, 2009 at 6:28 PM, Godmar Back <[email protected] 
> <mailto:[email protected]>> wrote:
>
>
>     Ok - but does this address Jonathan's problem? I'd assume he's
>     interested in whenever the finally { } code is executed, not just
>     in an exception handler (that is, also when it's executed during a
>     regular return.) He could identify the code in the catch-all
>     handler, then search for it elsewhere - but it may not look
>     exactly the same. Perhaps I misunderstood his question.
>
>      - Godmar
>
>
>     On Thu, Dec 17, 2009 at 9:20 PM, Scott Vachalek
>     <[email protected] <mailto:[email protected]>> wrote:
>
>         True... I always think of those as finally blocks, but I guess
>         technically they are not.  If you want to ignore them they
>         should be pretty easy to identify.
>
>
>         On Thu, Dec 17, 2009 at 6:14 PM, Godmar Back <[email protected]
>         <mailto:[email protected]>> wrote:
>
>             On Thu, Dec 17, 2009 at 8:35 PM, Scott Vachalek
>             <[email protected] <mailto:[email protected]>> wrote:
>
>                 it's not something you can rely upon entirely.  But
>                 I've never seen a null catch generated by javac for
>                 any other reason.  The contents of the handler (save
>                 exception, repeat finally code, throw saved exception)
>                 are also very predictable.
>
>
>             It's also used for synchronized (obj) { } blocks where a
>             monitorexit is required.
>
>              - Godmar
>              
>
>
>
>

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