Re: Handling of NULL at LocalVariablesSorter.visitFrame()

Alexander,

  Could you please open a bun in ASM issue tracker and attach a simple
test case that would allow to reproduce it?

  Thanks

  Eugene


On Mon, Aug 23, 2010 at 7:36 AM,  <[email protected]> wrote:
> Hello,
>
> in version 3.3 the method LocalVariablesSorter.visitFrame() was updated to
> include the check of locals types. It checks for Integer, Float, Long, Double
> and otherwise use the following:
> typ = Type.getObjectType((String) t);
>
> I have the problem with this statement. If local value is Opcodes.NULL then
> we have ClassCastException (java.lang.Integer cannot be cast to
> java.lang.String).
> Probably the reason is that I use LocalVariablesSorter delegating to
> AnalyzerAdapter, which pushes Opcodes.NULL on stack in case of ACONST_NULL
> instruction.
>
> It's not reproducible with ASM 3.2.
>
> Could you please let me know if it's really an issue in ASM or just incorrect
> using of ASM by me?
>
>
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