Re: Change line numbers

  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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