@Nullable public static ClassDescriptor getContainingClass(@NotNull DeclarationDescriptor descriptor) { DeclarationDescriptor containing = descriptor.getContainingDeclaration(); while (containing != null) { if (containing instanceof ClassDescriptor && !isCompanionObject(containing)) { return (ClassDescriptor) containing; } containing = containing.getContainingDeclaration(); } return null; }
public static boolean isAncestor( @Nullable DeclarationDescriptor ancestor, @NotNull DeclarationDescriptor declarationDescriptor, boolean strict) { if (ancestor == null) return false; DeclarationDescriptor descriptor = strict ? declarationDescriptor.getContainingDeclaration() : declarationDescriptor; while (descriptor != null) { if (ancestor == descriptor) return true; descriptor = descriptor.getContainingDeclaration(); } return false; }
@Nullable @SuppressWarnings("unchecked") public static <D extends DeclarationDescriptor> D getParentOfType( @Nullable DeclarationDescriptor descriptor, @NotNull Class<D> aClass, boolean strict) { if (descriptor == null) return null; if (strict) { descriptor = descriptor.getContainingDeclaration(); } while (descriptor != null) { if (aClass.isInstance(descriptor)) { return (D) descriptor; } descriptor = descriptor.getContainingDeclaration(); } return null; }
@NotNull private static FqNameUnsafe getFqNameUnsafe(@NotNull DeclarationDescriptor descriptor) { DeclarationDescriptor containingDeclaration = descriptor.getContainingDeclaration(); assert containingDeclaration != null : "Not package/module descriptor doesn't have containing declaration: " + descriptor; return getFqName(containingDeclaration).child(descriptor.getName()); }
@NotNull public static FqName getFqNameFromTopLevelClass(@NotNull DeclarationDescriptor descriptor) { DeclarationDescriptor containingDeclaration = descriptor.getContainingDeclaration(); Name name = descriptor.getName(); if (!(containingDeclaration instanceof ClassDescriptor)) { return FqName.topLevel(name); } return getFqNameFromTopLevelClass(containingDeclaration).child(name); }
/** Descriptor may be local itself or have a local ancestor */ public static boolean isLocal(@NotNull DeclarationDescriptor descriptor) { DeclarationDescriptor current = descriptor; while (current != null) { if (isAnonymousObject(current) || isDescriptorWithLocalVisibility(current)) { return true; } current = current.getContainingDeclaration(); } return false; }
@Nullable public static ModuleDescriptor getContainingModuleOrNull( @NotNull DeclarationDescriptor descriptor) { while (descriptor != null) { if (descriptor instanceof ModuleDescriptor) { return (ModuleDescriptor) descriptor; } if (descriptor instanceof PackageViewDescriptor) { return ((PackageViewDescriptor) descriptor).getModule(); } //noinspection ConstantConditions descriptor = descriptor.getContainingDeclaration(); } return null; }
public boolean isMemberOfAny(@NotNull DeclarationDescriptor descriptor) { return descriptor.getContainingDeclaration() == getAny(); }
/** * @return true if descriptor is a class inside another class and does not have access to the * outer class */ public static boolean isStaticNestedClass(@NotNull DeclarationDescriptor descriptor) { DeclarationDescriptor containing = descriptor.getContainingDeclaration(); return descriptor instanceof ClassDescriptor && containing instanceof ClassDescriptor && !((ClassDescriptor) descriptor).isInner(); }
public static boolean isTopLevelDeclaration(@Nullable DeclarationDescriptor descriptor) { return descriptor != null && descriptor.getContainingDeclaration() instanceof PackageFragmentDescriptor; }
private void checkSupertypeList( @NotNull ClassDescriptor supertypeOwner, @NotNull Map<JetTypeReference, JetType> supertypes, @NotNull JetClassOrObject jetClass) { Set<TypeConstructor> allowedFinalSupertypes = getAllowedFinalSupertypes(supertypeOwner, jetClass); Set<TypeConstructor> typeConstructors = Sets.newHashSet(); boolean classAppeared = false; for (Map.Entry<JetTypeReference, JetType> entry : supertypes.entrySet()) { JetTypeReference typeReference = entry.getKey(); JetType supertype = entry.getValue(); boolean addSupertype = true; ClassDescriptor classDescriptor = TypeUtils.getClassDescriptor(supertype); if (classDescriptor != null) { if (ErrorUtils.isError(classDescriptor)) continue; if (classDescriptor.getKind() != ClassKind.INTERFACE) { if (supertypeOwner.getKind() == ClassKind.ENUM_CLASS) { trace.report(CLASS_IN_SUPERTYPE_FOR_ENUM.on(typeReference)); addSupertype = false; } else if (supertypeOwner.getKind() == ClassKind.INTERFACE && !classAppeared && !TypesPackage.isDynamic(supertype) /* avoid duplicate diagnostics */) { trace.report(TRAIT_WITH_SUPERCLASS.on(typeReference)); addSupertype = false; } if (classAppeared) { trace.report(MANY_CLASSES_IN_SUPERTYPE_LIST.on(typeReference)); } else { classAppeared = true; } } } else { trace.report(SUPERTYPE_NOT_A_CLASS_OR_TRAIT.on(typeReference)); } TypeConstructor constructor = supertype.getConstructor(); if (addSupertype && !typeConstructors.add(constructor)) { trace.report(SUPERTYPE_APPEARS_TWICE.on(typeReference)); } if (DescriptorUtils.isSingleton(classDescriptor)) { trace.report(SINGLETON_IN_SUPERTYPE.on(typeReference)); } else if (constructor.isFinal() && !allowedFinalSupertypes.contains(constructor)) { if (classDescriptor.getModality() == Modality.SEALED) { DeclarationDescriptor containingDescriptor = supertypeOwner.getContainingDeclaration(); while (containingDescriptor != null && containingDescriptor != classDescriptor) { containingDescriptor = containingDescriptor.getContainingDeclaration(); } if (containingDescriptor == null) { trace.report(SEALED_SUPERTYPE.on(typeReference)); } else { trace.report(SEALED_SUPERTYPE_IN_LOCAL_CLASS.on(typeReference)); } } else { trace.report(FINAL_SUPERTYPE.on(typeReference)); } } } }