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From "Paul King (JIRA)" <j...@apache.org>
Subject [jira] [Comment Edited] (GROOVY-8127) Access to Trait$Trait$Helper#$self is forbidden
Date Mon, 24 Apr 2017 14:29:04 GMT

    [ https://issues.apache.org/jira/browse/GROOVY-8127?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15981225#comment-15981225
] 

Paul King edited comment on GROOVY-8127 at 4/24/17 2:28 PM:
------------------------------------------------------------

Proposed PR merged but additional feedback on the fix is welcome. Thanks for raising the issue.


was (Author: paulk):
Proposed PR merged

> Access to Trait$Trait$Helper#$self is forbidden
> -----------------------------------------------
>
>                 Key: GROOVY-8127
>                 URL: https://issues.apache.org/jira/browse/GROOVY-8127
>             Project: Groovy
>          Issue Type: Bug
>          Components: Compiler
>    Affects Versions: 2.4.10
>            Reporter: Fran├žois Guillot
>            Assignee: Paul King
>             Fix For: 2.4.11
>
>
> I'm switching from Groovy 2.4.7 to 2.4.10 in my project.
> I have a compile error with 2.4.10.
> Simplified example:
> {code}
> import groovy.transform.CompileStatic
> import org.junit.Rule
> import org.junit.rules.TestRule
> @CompileStatic
> trait FooTrait {
>     @Rule
>     public final TestRule foo = {} as TestRule
> }
> {code}
> I get "Error:Groovyc: Access to FooTrait$Trait$Helper#$self is forbidden"
> Another variant of this error is "Error:Groovyc: Apparent variable '$self'
> was found in a static scope but doesn't refer to a local variable, static
> field or class."
> This second error happens with the following code
> {code}
> import groovy.transform.CompileStatic
> import org.junit.Rule
> import org.junit.rules.TestRule
> import org.junit.runner.Description
> import org.junit.runners.model.Statement
> @CompileStatic
> trait TestSupport {
>     boolean failOnResourceLeak = true
>     @Rule
>     public final TestRule leakDetectionFlagRule = { Statement base, Description description
->
>         return {
>             base.evaluate()
>             if (failOnResourceLeak) {
>                 throw new Exception("A resource has leaked in this test!")
>             }
>         } as Statement
>     } as TestRule
> }
> {code}



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