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Simplify detecting loops in classes supertypes

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This commit is contained in:
Denis Zharkov
2015-10-28 17:52:23 +03:00
parent 33d67a3bf4
commit 8ba2dc5530
1 changed files with 8 additions and 13 deletions
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compiler/frontend/src/org/jetbrains/kotlin/resolve/lazy/descriptors/LazyClassDescriptor.java
+8 -13
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@@ -490,20 +490,16 @@ public class LazyClassDescriptor extends ClassDescriptorBase implements ClassDes
@Mutable
public final Collection<KotlinType> trueSupertypes;
@Mutable
public final Collection<KotlinType> cyclicSupertypes;
public final Collection<KotlinType> allSuperTypes;
private Supertypes(@Mutable @NotNull Collection<KotlinType> trueSupertypes) {
this(trueSupertypes, new ArrayList<KotlinType>(0));
}
private Supertypes(@Mutable @NotNull Collection<KotlinType> trueSupertypes, @Mutable @NotNull Collection<KotlinType> cyclicSupertypes) {
this.trueSupertypes = trueSupertypes;
this.cyclicSupertypes = cyclicSupertypes;
private Supertypes(@Mutable @NotNull Collection<KotlinType> allSuperTypes) {
this.trueSupertypes = allSuperTypes;
this.allSuperTypes = new ArrayList<KotlinType>(allSuperTypes);
}
@NotNull
public Collection<KotlinType> getAllSupertypes() {
return CollectionsKt.plus(trueSupertypes, cyclicSupertypes);
return allSuperTypes;
}
}
@@ -537,7 +533,7 @@ public class LazyClassDescriptor extends ClassDescriptorBase implements ClassDes
new Function1<Supertypes, Unit>() {
@Override
public Unit invoke(@NotNull Supertypes supertypes) {
findAndDisconnectLoopsInTypeHierarchy(supertypes);
findAndDisconnectLoopsInTypeHierarchy(supertypes.trueSupertypes);
return Unit.INSTANCE$;
}
}
@@ -585,12 +581,11 @@ public class LazyClassDescriptor extends ClassDescriptorBase implements ClassDes
return supertypes.invoke().trueSupertypes;
}
private void findAndDisconnectLoopsInTypeHierarchy(Supertypes supertypes) {
for (Iterator<KotlinType> iterator = supertypes.trueSupertypes.iterator(); iterator.hasNext(); ) {
private void findAndDisconnectLoopsInTypeHierarchy(@Mutable Collection<KotlinType> supertypes) {
for (Iterator<KotlinType> iterator = supertypes.iterator(); iterator.hasNext(); ) {
KotlinType supertype = iterator.next();
if (isReachable(supertype.getConstructor(), this, new HashSet<TypeConstructor>())) {
iterator.remove();
supertypes.cyclicSupertypes.add(supertype);
ClassifierDescriptor supertypeDescriptor = supertype.getConstructor().getDeclarationDescriptor();
if (supertypeDescriptor instanceof ClassDescriptor) {