[jira] [Commented] (GROOVY-8051) Reference outer class property within inner class closure

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[jira] [Commented] (GROOVY-8051) Reference outer class property within inner class closure

JIRA jira@apache.org

    [ https://issues.apache.org/jira/browse/GROOVY-8051?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15932221#comment-15932221 ]

Paul King commented on GROOVY-8051:
-----------------------------------

I can reproduce on 2.4.10 but it seems fixed in 2.5+ snapshots.

> Reference outer class property within inner class closure
> ---------------------------------------------------------
>
>                 Key: GROOVY-8051
>                 URL: https://issues.apache.org/jira/browse/GROOVY-8051
>             Project: Groovy
>          Issue Type: Bug
>          Components: Compiler, Static compilation, Static Type Checker
>    Affects Versions: 2.4.7, 2.4.8
>            Reporter: Daniil Ovchinnikov
>
> {code}
> @CompileStatic // works without this @CompileStatic
> class Outer {
>   def foo = 1
>   Inner createInner() { new Inner() }
>   class Inner {
>     Closure createClosure() {
>       return { foo }
>     }
>   }
> }
> @CompileStatic
> class Main {
>   static void main(String[] args) {
>     def i = new Outer().createInner()
>     def cl = i.createClosure()
>     println cl()
>   }
> }
> {code}
> Fail in runtime with:
> {noformat}
> Exception in thread "main" org.codehaus.groovy.runtime.typehandling.GroovyCastException:
> Cannot cast object 'Outer$Inner@23e028a9' with class 'Outer$Inner' to class 'Outer'
> at org.codehaus.groovy.runtime.typehandling.DefaultTypeTransformation.continueCastOnSAM(DefaultTypeTransformation.java:405)
> at org.codehaus.groovy.runtime.typehandling.DefaultTypeTransformation.continueCastOnNumber(DefaultTypeTransformation.java:319)
> at org.codehaus.groovy.runtime.typehandling.DefaultTypeTransformation.castToType(DefaultTypeTransformation.java:232)
> at org.codehaus.groovy.runtime.ScriptBytecodeAdapter.castToType(ScriptBytecodeAdapter.java:603)
> at Outer$Inner$_createClosure_closure1.doCall(innerclassestest.groovy)
> at Outer$Inner$_createClosure_closure1.call(innerclassestest.groovy)
> at Main.main(innerclassestest.groovy:23)
> {noformat}



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