RE: Detecting finally blocks?

Are you sure of this? The later JDKs spew out horrible code to handle catch/finally blocks, often repeating the catch/finally block mulitple times in byte code, even tho there is only one source level catch/finally block. It's amazing that the whole try/catch/finally mechanism works the way the parser emits code.



-----Original Message-----
From: "Jonathan Byrne" <[email protected]>
Sent: Thursday, December 17, 2009 3:06pm
To: [email protected]
Subject: [asm] Detecting finally blocks?

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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