@NotNull
protected Collection<KotlinType> computeSupertypes() {
if (KotlinBuiltIns.isSpecialClassWithNoSupertypes(this)) {
return Collections.emptyList();
}
KtClassOrObject classOrObject =
declarationProvider.getOwnerInfo().getCorrespondingClassOrObject();
if (classOrObject == null) {
return Collections.<KotlinType>singleton(c.getModuleDescriptor().getBuiltIns().getAnyType());
}
List<KotlinType> allSupertypes =
c.getDescriptorResolver()
.resolveSupertypes(
getScopeForClassHeaderResolution(), this, classOrObject, c.getTrace());
return Lists.newArrayList(Collections2.filter(allSupertypes, VALID_SUPERTYPE));
}
@Nullable
private LazyClassDescriptor computeCompanionObjectDescriptor(
@Nullable KtObjectDeclaration companionObject) {
KtClassLikeInfo companionObjectInfo = getCompanionObjectInfo(companionObject);
if (!(companionObjectInfo instanceof KtClassOrObjectInfo)) {
return null;
}
Name name = ((KtClassOrObjectInfo) companionObjectInfo).getName();
assert name != null;
getUnsubstitutedMemberScope()
.getContributedClassifier(name, NoLookupLocation.WHEN_GET_COMPANION_OBJECT);
ClassDescriptor companionObjectDescriptor =
c.getTrace().get(BindingContext.CLASS, companionObject);
if (companionObjectDescriptor instanceof LazyClassDescriptor) {
assert DescriptorUtils.isCompanionObject(companionObjectDescriptor)
: "Not a companion object: " + companionObjectDescriptor;
return (LazyClassDescriptor) companionObjectDescriptor;
} else {
return null;
}
}
// NOTE: Called from constructor!
@NotNull
protected LazyClassMemberScope createMemberScope(
@NotNull LazyClassContext c, @NotNull ClassMemberDeclarationProvider declarationProvider) {
return new LazyClassMemberScope(c, declarationProvider, this, c.getTrace());
}
@NotNull
protected LexicalScope getOuterScope() {
return c.getDeclarationScopeProvider()
.getResolutionScopeForDeclaration(declarationProvider.getOwnerInfo().getScopeAnchor());
}
public LazyClassDescriptor(
@NotNull final LazyClassContext c,
@NotNull DeclarationDescriptor containingDeclaration,
@NotNull Name name,
@NotNull final KtClassLikeInfo classLikeInfo) {
super(
c.getStorageManager(),
containingDeclaration,
name,
KotlinSourceElementKt.toSourceElement(classLikeInfo.getCorrespondingClassOrObject()));
this.c = c;
KtClassOrObject classOrObject = classLikeInfo.getCorrespondingClassOrObject();
if (classOrObject != null) {
this.c.getTrace().record(BindingContext.CLASS, classOrObject, this);
}
this.c
.getTrace()
.record(BindingContext.FQNAME_TO_CLASS_DESCRIPTOR, DescriptorUtils.getFqName(this), this);
this.declarationProvider =
c.getDeclarationProviderFactory().getClassMemberDeclarationProvider(classLikeInfo);
StorageManager storageManager = c.getStorageManager();
this.unsubstitutedMemberScope = createMemberScope(c, this.declarationProvider);
this.kind = classLikeInfo.getClassKind();
this.staticScope =
kind == ClassKind.ENUM_CLASS
? new StaticScopeForKotlinEnum(storageManager, this)
: MemberScope.Empty.INSTANCE;
this.typeConstructor = new LazyClassTypeConstructor();
this.isCompanionObject =
classLikeInfo instanceof KtObjectInfo && ((KtObjectInfo) classLikeInfo).isCompanionObject();
KtModifierList modifierList = classLikeInfo.getModifierList();
if (kind.isSingleton()) {
this.modality = Modality.FINAL;
} else {
Modality defaultModality = kind == ClassKind.INTERFACE ? Modality.ABSTRACT : Modality.FINAL;
this.modality =
resolveModalityFromModifiers(modifierList, defaultModality, /* allowSealed = */ true);
}
boolean isLocal = classOrObject != null && KtPsiUtil.isLocal(classOrObject);
Visibility defaultVisibility;
if (kind == ClassKind.ENUM_ENTRY || (kind == ClassKind.OBJECT && isCompanionObject)) {
defaultVisibility = Visibilities.PUBLIC;
} else {
defaultVisibility = Visibilities.DEFAULT_VISIBILITY;
}
this.visibility =
isLocal
? Visibilities.LOCAL
: resolveVisibilityFromModifiers(modifierList, defaultVisibility);
this.isInner = isInnerClass(modifierList) && !ModifiersChecker.isIllegalInner(this);
this.isData = modifierList != null && modifierList.hasModifier(KtTokens.DATA_KEYWORD);
// Annotation entries are taken from both own annotations (if any) and object literal
// annotations (if any)
List<KtAnnotationEntry> annotationEntries = new ArrayList<KtAnnotationEntry>();
if (classOrObject != null && classOrObject.getParent() instanceof KtObjectLiteralExpression) {
// TODO: it would be better to have separate ObjectLiteralDescriptor without so much magic
annotationEntries.addAll(
KtPsiUtilKt.getAnnotationEntries((KtObjectLiteralExpression) classOrObject.getParent()));
}
if (modifierList != null) {
annotationEntries.addAll(modifierList.getAnnotationEntries());
}
if (!annotationEntries.isEmpty()) {
this.annotations =
new LazyAnnotations(
new LazyAnnotationsContext(c.getAnnotationResolver(), storageManager, c.getTrace()) {
@NotNull
@Override
public LexicalScope getScope() {
return getOuterScope();
}
},
annotationEntries);
} else {
this.annotations = Annotations.Companion.getEMPTY();
}
List<KtAnnotationEntry> jetDanglingAnnotations = classLikeInfo.getDanglingAnnotations();
if (jetDanglingAnnotations.isEmpty()) {
this.danglingAnnotations = Annotations.Companion.getEMPTY();
} else {
this.danglingAnnotations =
new LazyAnnotations(
new LazyAnnotationsContext(c.getAnnotationResolver(), storageManager, c.getTrace()) {
@NotNull
@Override
public LexicalScope getScope() {
return getScopeForMemberDeclarationResolution();
}
},
jetDanglingAnnotations);
}
this.companionObjectDescriptor =
storageManager.createNullableLazyValue(
new Function0<LazyClassDescriptor>() {
@Override
public LazyClassDescriptor invoke() {
return computeCompanionObjectDescriptor(getCompanionObjectIfAllowed());
}
});
this.extraCompanionObjectDescriptors =
storageManager.createMemoizedFunction(
new Function1<KtObjectDeclaration, ClassDescriptor>() {
@Override
public ClassDescriptor invoke(KtObjectDeclaration companionObject) {
return computeCompanionObjectDescriptor(companionObject);
}
});
this.forceResolveAllContents =
storageManager.createRecursionTolerantNullableLazyValue(
new Function0<Void>() {
@Override
public Void invoke() {
doForceResolveAllContents();
return null;
}
},
null);
this.resolutionScopesSupport =
new ClassResolutionScopesSupport(
this,
storageManager,
new Function0<LexicalScope>() {
@Override
public LexicalScope invoke() {
return getOuterScope();
}
});
this.parameters =
c.getStorageManager()
.createLazyValue(
new Function0<List<TypeParameterDescriptor>>() {
@Override
public List<TypeParameterDescriptor> invoke() {
KtClassLikeInfo classInfo = declarationProvider.getOwnerInfo();
KtTypeParameterList typeParameterList = classInfo.getTypeParameterList();
if (typeParameterList == null) return Collections.emptyList();
if (classInfo.getClassKind() == ClassKind.ENUM_CLASS) {
c.getTrace().report(TYPE_PARAMETERS_IN_ENUM.on(typeParameterList));
}
List<KtTypeParameter> typeParameters = typeParameterList.getParameters();
if (typeParameters.isEmpty()) return Collections.emptyList();
List<TypeParameterDescriptor> parameters =
new ArrayList<TypeParameterDescriptor>(typeParameters.size());
for (int i = 0; i < typeParameters.size(); i++) {
parameters.add(
new LazyTypeParameterDescriptor(
c, LazyClassDescriptor.this, typeParameters.get(i), i));
}
return parameters;
}
});
this.scopeForInitializerResolution =
storageManager.createLazyValue(
new Function0<LexicalScope>() {
@Override
public LexicalScope invoke() {
return ClassResolutionScopesSupportKt.scopeForInitializerResolution(
LazyClassDescriptor.this,
createInitializerScopeParent(),
classLikeInfo.getPrimaryConstructorParameters());
}
});
}