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From "Juozas Baliuka" <bali...@centras.lt>
Subject Re: getting target of BranchInstruction
Date Fri, 27 Sep 2002 14:14:40 GMT
Hi,
It looks like a bug, add it to bug database if you can reproduce it.


> Hi,
>
> Thanks for the input, but I'm not trying to create/inject a try catch
block.
> What I'm trying to do is given a JavaClass object, I get the instruction
> list of a particular method.  While scanning the InstructionList, I run
into
> the GOTO branch instruction.  What I want to be able to do is to figure
out
> what instruction that GOTO instruction will branch to.
>
> Thanks,
>
> --Abel
>
> ----- Original Message -----
> From: "Juozas Baliuka" <baliuka@centras.lt>
> To: "BCEL Users List" <bcel-user@jakarta.apache.org>
> Sent: Thursday, September 26, 2002 11:20 PM
> Subject: Re: getting target of BranchInstruction
>
>
> >
> > Hi,
> > I use this :
> > .........
> > GOTO goto = new GOTO(null);
> > ......................
> > InstructionHandle handle = il.append(goto);
> > ........
> > InstructionHandle endIf = il.append( someInstruction );
> > goto.setTarget(endIf);
> > ........................
> >
> > use handles in "addExceptionHandler".
> > I believe it will return valid target after  "setTarget", but I never
need
> > "getTarget" method.
> >
> > ----- Original Message -----
> > From: "Abel Wang" <xandersparks@hotmail.com>
> > To: <bcel-user@jakarta.apache.org>
> > Sent: Friday, September 27, 2002 1:30 AM
> > Subject: getting target of BranchInstruction
> >
> >
> > > Hello BCel users,
> > >
> > > I'm trying to get the target instruction handle from the GOTO
> instruction
> > > off of a try catch block.  In Java, it looks something like this:
> > >
> > > try {
> > >     <Whatever1>
> > > }
> > > catch(Exception e) {
> > >
> > >     <Whatever2>
> > > }
> > >
> > > System.out.println("done");
> > >
> > > What I'm trying to do is given the GOTO instruction at the end of
> > > <whatever1>, i want to get an index to the instruction which begins
the
> > > System.out.println("done") command.  I'm trying
> > > BranchInstruction.getTarget() but it always returns null.  What is the
> > > proper way for me to do this?
> > >
> > > Thanks,
> > >
> > > --Abel
> > >
> > >
> > > _________________________________________________________________
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> > >
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