[jira] [Commented] (GROOVY-8283) Field shadowing not considered in STC

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[jira] [Commented] (GROOVY-8283) Field shadowing not considered in STC

JIRA jira@apache.org

    [ https://issues.apache.org/jira/browse/GROOVY-8283?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16121403#comment-16121403 ]

Daniil Ovchinnikov commented on GROOVY-8283:
--------------------------------------------

This issue prevents using  {{io.vertx.rxjava.core.AbstractVerticle}} in Groovy without workarounds (https://youtrack.jetbrains.com/issue/IDEA-177371)

> Field shadowing not considered in STC
> -------------------------------------
>
>                 Key: GROOVY-8283
>                 URL: https://issues.apache.org/jira/browse/GROOVY-8283
>             Project: Groovy
>          Issue Type: Bug
>          Components: Static compilation, Static Type Checker
>    Affects Versions: 2.4.12
>            Reporter: Daniil Ovchinnikov
>
> {code}
> import groovy.transform.CompileStatic
> @CompileStatic class A {}
> @CompileStatic class B {}
> @CompileStatic class Parent {
>   protected A ff = new A()
>   A getFf() { ff }
> }
> @CompileStatic class Child extends Parent {
>   protected B ff = new B()
> }
> @CompileStatic class Usage extends Child {
>   def test() {
>     println ff        // A@id
>     println getFf()   // A@id
>     println this.@ff  // B@id
>   }
>   def test2() {
>     I.wantsB(ff)        // ScriptBytecodeAdapter.castToType(((Usage)this).getFf(), B.class)) is generated (wrong)
>     I.wantsB(getFf())   // [STC] - Cannot find matching method I#wantsB(A)
>     I.wantsB(this.@ff)  // [STC] - Cannot find matching method I#wantsB(A) (wrong)
>   }
> }
> @CompileStatic class I {
>   static void wantsB(B b) {}
> }
> new Usage().test()
> {code}



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