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https://issues.apache.org/jira/browse/FELIX-3574?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Clement Escoffier closed FELIX-3574.
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> IPojo bytecode manipulation looses method argument names
> --------------------------------------------------------
>
> Key: FELIX-3574
> URL: https://issues.apache.org/jira/browse/FELIX-3574
> Project: Felix
> Issue Type: Bug
> Components: iPOJO
> Affects Versions: ipojo-manipulator-1.8.6
> Reporter: Francois Valdy
> Assignee: Clement Escoffier
> Fix For: ipojo-manipulator-1.8.6
>
> Attachments: FELIX-3574-patch.diff
>
>
> When IPojo creates its wrapper methods (instead of the ones it renames with
> '__' prefix), it doesn't keep the local variable table information, hence
> loosing parameter names.
> Reflection isn't impacted (as you can't access them through reflection
> anyway), but many tools are:
> - decompilers will display proper names for prefixed (private) methods, but
> not on the non-prefixed ones
> - IDEs won't display the names if you don't have javadoc|source attachment
> - some tools that are reading bytecode won't work
> (http://paranamer.codehaus.org/ in my case)
> Fix is pretty easy, I'll attach a patch later on:
> We need to store the local variables definition on the methods (only those
> which correspond to a parameter, we discard those that apply to method code
> variables) in the MethodDescriptor.
> Then when generating the wrapping code, we put them back, with a "start
> label" = 0, and "end label" = "end of wrapping code", as it seems to be the
> convention.
> I tested the changes on 1.6.4 and they work fine, but I'll provide a patch
> for the trunk.
> Thx
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