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Posted to dev@felix.apache.org by "Clement Escoffier (JIRA)" <ji...@apache.org> on 2013/02/04 13:36:17 UTC
[jira] [Closed] (FELIX-3573) IPojo bytecode manipulation generates
a duplicate local variable
[ https://issues.apache.org/jira/browse/FELIX-3573?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Clement Escoffier closed FELIX-3573.
------------------------------------
> IPojo bytecode manipulation generates a duplicate local variable
> ----------------------------------------------------------------
>
> Key: FELIX-3573
> URL: https://issues.apache.org/jira/browse/FELIX-3573
> Project: Felix
> Issue Type: Bug
> Components: iPOJO
> Affects Versions: ipojo-manipulator-1.8.6
> Reporter: Francois Valdy
> Assignee: Clement Escoffier
> Priority: Minor
> Fix For: ipojo-manipulator-1.8.6
>
>
> In the following code:
> http://svn.apache.org/viewvc/felix/trunk/ipojo/manipulator/manipulator/src/main/java/org/apache/felix/ipojo/manipulation/ConstructorCodeAdapter.java?revision=1327153&view=markup
> The method visitLocalVariable should have a "else" statement like below:
> if (index == 0) {
> mv.visitLocalVariable(name, desc, signature, start, end, index);
> mv.visitLocalVariable("_manager", "Lorg/apache/felix/ipojo/InstanceManager;", null, start, end, 1);
> } else {
> mv.visitLocalVariable(name, desc, signature, start, end, index + 1);
> }
> Otherwise, when index == 0 ("this" parameter), we'll generate 2 variables at index 1 (manager & this a second time), as shown in javap -verbose -c -private output below:
> LocalVariableTable:
> Start Length Slot Name Signature
> 0 26 0 this Lfoo/Bar;
> 0 26 1 _manager Lorg/apache/felix/ipojo/InstanceManager;
> 0 26 1 this Lfoo/Bar;
> It works fine as the last one is probably ignored by everyone, but it'd be cleaner.
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