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https://issues.apache.org/jira/browse/GROOVY-9288?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Daniel Sun updated GROOVY-9288:
-------------------------------
Summary: Compilation error when accessing a
protected/public/package-private super class field from inside a closure (was:
Compilation error when accessing a protected super class field from inside a
closure)
> Compilation error when accessing a protected/public/package-private super
> class field from inside a closure
> -----------------------------------------------------------------------------------------------------------
>
> Key: GROOVY-9288
> URL: https://issues.apache.org/jira/browse/GROOVY-9288
> Project: Groovy
> Issue Type: Bug
> Components: Static compilation
> Affects Versions: 2.5.7, 2.5.8, 3.0.0-rc-1
> Reporter: John Bellassai
> Priority: Major
> Fix For: 2.5.9, 3.0.0-rc-2
>
> Time Spent: 1h 20m
> Remaining Estimate: 0h
>
> The following code works fine in 2.5.6 but breaks in 2.5.7 and 2.5.8:
> {code:java}
> GroovyShell shell = new GroovyShell()
> shell.evaluate('''
> package a
>
> import groovy.transform.CompileStatic
>
> @CompileStatic
> abstract class Abstract_Class {
> protected String protectedField = 'field'
>
> abstract String doThing()
> }
> assert true''')
> shell.evaluate('''
> package b
>
> import a.Abstract_Class
> import groovy.transform.CompileStatic
>
> @CompileStatic
> class ConcreteClass extends Abstract_Class {
>
> @Override
> String doThing() {
> 'something'.with {
> return protectedField
> }
> }
> }
> assert true''')
> shell.evaluate("assert new b.ConcreteClass().doThing() == 'field'")
> {code}
> {noformat}
> org.codehaus.groovy.control.MultipleCompilationErrorsException: startup
> failed:
> Script2.groovy: 13: Access to a.Abstract_Class#protectedField is forbidden @
> line 13, column 32.
> return protectedField
> ^
> {noformat}
> If you change both classes to be in the same package, you get a runtime error
> like this:
> {noformat}
> tried to access field a.Abstract_Class.protectedField from class
> a.ConcreteClass$_doThing_closure1
> java.lang.IllegalAccessError: tried to access field
> a.Abstract_Class.protectedField from class a.ConcreteClass$_doThing_closure1
> {noformat}
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