Nikolay Lunyak
76ed5453b3
Check all members for `Visibility.Unknown`, otherwise we miss them when they come from supertypes. This is the reason why the FP intellij build failed with a cryptic stacktrace instead of a human-readable diagnostic. Also, do report the diagnostic at all cases of `Visibilities.Unknown`. Turns out, there are no "simple to reason about" situations here :( Also, an interesting detail: `retrieveDirectOverriddenOf` returns an empty list for intersection overrides. But this doesn't seem to break anything... Replacing `CANNOT_INFER_VISIBILITY`'s type `KtDeclaration` with `PsiNameIdentifierOwner` and the related changes in `PositioningStrategies` were needed to prevent an exception saying that `PsiClassImpl` is not a subtype of `KtDeclaration`.
35 lines
880 B
Kotlin
Vendored
35 lines
880 B
Kotlin
Vendored
// TARGET_BACKEND: JVM
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// FILE: IntCollection.java
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interface IntCollection<E> {
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public boolean add(int key);
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}
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// FILE: IntSet.java
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interface IntSet extends IntCollection {
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public default boolean add(Integer it) { return true; }
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// from the supertype
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// public boolean add(int key);
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}
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// FILE: AbstractCollection.java
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abstract class AbstractCollection<E> {
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public boolean add(E it) { return true; }
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}
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// FILE: AbstractIntCollection.java
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abstract class AbstractIntCollection extends AbstractCollection<Integer> {
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public boolean add(int it) { return true; }
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// from the supertype
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// public default boolen add(Integer it) { return true; }
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}
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// FILE: AbstractIntSet.java
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public abstract class AbstractIntSet extends AbstractIntCollection implements IntSet {}
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// FILE: Main.kt
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<!CANNOT_INFER_VISIBILITY!>class KotlinClass<!> : AbstractIntSet()
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