Re: Re: Change line numbers

Thank you very much! Works great.

On Tue, 2010-02-16 at 09:23 -0500, Eugene Kuleshov wrote:
> Sure, it is no different then any other bytecode transformation.
> Assuming there is no multiple files per .class you can use
> MethodVisitor.html.visitLineNumber(..) [1].
>   As usual, you can compare the compiled bytecode before and after
> changes (i.e. adding the header or changing the line numbers) and
> follow the tutorial from ASM web site [2], though it is based on an
> older ASM API.
> 
>   regards,
>   Eugene
> 
> [1] http://asm.ow2.org/asm32/javadoc/user/org/objectweb/asm/MethodVisitor.html#visitLineNumber%28int,%20org.objectweb.asm.Label%29
> [2] http://asm.ow2.org/doc/tutorial.html
> 
> 
> On Tue, Feb 16, 2010 at 9:14 AM,  <[email protected]> wrote:
> > Hi,
> >
> > Apache Clerezza allows a user to execute scripts written in Scala. We complete
> > the script by adding a header to it and then compile it. When the compiled
> > class is executed and an exception occurs, we'd like that the stack trace shows
> > the line numbers which correspond to the script file of the user, not the
> > script file with the header we added. Is there a way to change the line numbers
> > with ASM?
> >
> > Cheers,
> > Manuel
> >
> >
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