Denis Zharkov
7ca84649d7
When resolving arguments on inner classifier, one can omit the arguments for outer class 'Outer' if they are present implicitly in the scope: - One of the supertypes of current class is Outer - One of the outer classes or one of their supertypes is Outer Relevant arguments are obtained from the first type found by the algorithm above Note that before this commit implicit arguments were only been searched in containing classes #KT-11123 Fixed
24 lines
985 B
Kotlin
Vendored
24 lines
985 B
Kotlin
Vendored
// KT-5508 Stackoverflow in type substitution
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abstract class A<T> {
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public abstract fun foo(x: T)
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public abstract fun bar(x: T)
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public inner abstract class B<S> : A<B<S>>() {
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public inner <!ABSTRACT_CLASS_MEMBER_NOT_IMPLEMENTED!>class C<!><U> : B<C<U>>()
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{
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// Here B<C<U>> means A<A<A<T>.B<S>>.B<A<T>.B<S>.C<U>>>.B<A<A<T>.B<S>>.B<A<T>.B<S>.C<U>>.C<U>>
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// while for being a correct override it should be A<A<T>.B<S>>.B<A<T>.B<S>.C<U>>
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// It happens because at the beginning we search implicit arguments for an outer classes through supertypes
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// See TypeResolver.computeImplicitOuterClassArguments for clarifications
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<!NOTHING_TO_OVERRIDE!>override<!> fun foo(x: B<C<U>>) {
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throw UnsupportedOperationException()
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}
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override fun bar(x: A<A<T>.B<S>>.B<A<T>.B<S>.C<U>>) {
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throw UnsupportedOperationException()
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}
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}
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}
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}
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