Re: Detecting finally blocks?

finally is not present in the bytecode, usually, so what you suggest cannot
be done.
(Older javac versions used a special nested subroutine and a JSR call to
implement finally, but that's no longer done.)

The code inside a finally will simply appear multiple times where it is
executing.

 - Godmar

On Thu, Dec 17, 2009 at 3:06 PM, Jonathan Byrne <
[email protected]> wrote:

> Hi,
>
> I'm parsing bytecode by extending MethodAdapter, and I'm trying to
> detected when I reach a "finally" block, to clarify:
>
> try {
> }
> catch(SomeException e) {
> }
> finally {
>    // I'd like to know when I'm here
> }
>
> In,
>
> public void visitTryCatchBlock(Label start, Label end, Label handler,
> String type)
>
> the last parameter "type" is set to "null" for finally blocks, but
> other non-finally blocks are "null" too.
>
> I'd greatly appreciate any pointers on how to detect when I reach a
> finally block.
>
> Many thanks,
> Jon.
>
>
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