public void checkRedeclarationsInInnerClassNames(@NotNull TopDownAnalysisContext c) {
for (ClassDescriptorWithResolutionScopes classDescriptor : c.getDeclaredClasses().values()) {
if (classDescriptor.getKind() == ClassKind.CLASS_OBJECT) {
// Class objects should be considered during analysing redeclarations in classes
continue;
}
Collection<DeclarationDescriptor> allDescriptors =
classDescriptor.getScopeForMemberLookup().getOwnDeclaredDescriptors();
ClassDescriptorWithResolutionScopes classObj = classDescriptor.getClassObjectDescriptor();
if (classObj != null) {
Collection<DeclarationDescriptor> classObjDescriptors =
classObj.getScopeForMemberLookup().getOwnDeclaredDescriptors();
if (!classObjDescriptors.isEmpty()) {
allDescriptors = Lists.newArrayList(allDescriptors);
allDescriptors.addAll(classObjDescriptors);
}
}
Multimap<Name, DeclarationDescriptor> descriptorMap = HashMultimap.create();
for (DeclarationDescriptor desc : allDescriptors) {
if (desc instanceof ClassDescriptor || desc instanceof PropertyDescriptor) {
descriptorMap.put(desc.getName(), desc);
}
}
reportRedeclarations(descriptorMap);
}
}
@NotNull
private MutablePackageFragmentDescriptor getOrCreatePackageFragmentForFile(
@NotNull JetFile file) {
JetPackageDirective packageDirective = file.getPackageDirective();
assert packageDirective != null : "scripts are not supported";
MutablePackageFragmentDescriptor fragment =
packageFragmentProvider.getOrCreateFragment(packageDirective.getFqName());
ModuleDescriptor module = packageFragmentProvider.getModule();
DescriptorResolver.resolvePackageHeader(
packageDirective, module, TypeHierarchyResolver.this.trace);
trace.record(BindingContext.FILE_TO_PACKAGE_FRAGMENT, file, fragment);
// Register files corresponding to this package
// The trace currently does not support bi-di multimaps that would handle this task nicer
FqName fqName = fragment.getFqName();
Collection<JetFile> files = trace.get(PACKAGE_TO_FILES, fqName);
if (files == null) {
files = Sets.newIdentityHashSet();
}
files.add(file);
trace.record(BindingContext.PACKAGE_TO_FILES, fqName, files);
return fragment;
}
@NotNull
public static Collection<ClassDescriptor> getClassOrObjectDescriptorsByFqName(
@NotNull ResolveSession resolveSession,
@NotNull FqName fqName,
boolean includeObjectDeclarations) {
if (fqName.isRoot()) {
return Collections.emptyList();
}
Collection<ClassDescriptor> classDescriptors = Lists.newArrayList();
FqName packageFqName = fqName.parent();
while (true) {
NamespaceDescriptor packageDescriptor =
resolveSession.getPackageDescriptorByFqName(packageFqName);
if (packageDescriptor != null) {
FqName classInPackagePath = new FqName(QualifiedNamesUtil.tail(packageFqName, fqName));
Collection<ClassDescriptor> descriptors =
getClassOrObjectDescriptorsByFqName(
packageDescriptor, classInPackagePath, includeObjectDeclarations);
classDescriptors.addAll(descriptors);
}
if (packageFqName.isRoot()) {
break;
} else {
packageFqName = packageFqName.parent();
}
}
return classDescriptors;
}
// TODO: Make it work for properties
public Collection<DeclarationDescriptor> getJetCallableExtensions(
@NotNull Condition<String> acceptedNameCondition,
@NotNull JetSimpleNameExpression expression,
@NotNull ResolveSession resolveSession,
@NotNull GlobalSearchScope searchScope) {
Collection<DeclarationDescriptor> resultDescriptors = new ArrayList<DeclarationDescriptor>();
BindingContext context = ResolveSessionUtils.resolveToExpression(resolveSession, expression);
JetExpression receiverExpression = expression.getReceiverExpression();
if (receiverExpression != null) {
JetType expressionType = context.get(BindingContext.EXPRESSION_TYPE, receiverExpression);
JetScope scope = context.get(BindingContext.RESOLUTION_SCOPE, receiverExpression);
if (expressionType != null && scope != null) {
Collection<String> extensionFunctionsNames = getAllJetExtensionFunctionsNames(searchScope);
Set<FqName> functionFQNs = new java.util.HashSet<FqName>();
// Collect all possible extension function qualified names
for (String name : extensionFunctionsNames) {
if (acceptedNameCondition.value(name)) {
Collection<PsiElement> extensionFunctions =
getJetExtensionFunctionsByName(name, searchScope);
for (PsiElement extensionFunction : extensionFunctions) {
if (extensionFunction instanceof JetNamedFunction) {
functionFQNs.add(JetPsiUtil.getFQName((JetNamedFunction) extensionFunction));
} else if (extensionFunction instanceof PsiMethod) {
FqName functionFQN =
JetFromJavaDescriptorHelper.getJetTopLevelDeclarationFQN(
(PsiMethod) extensionFunction);
if (functionFQN != null) {
functionFQNs.add(functionFQN);
}
}
}
}
}
// Iterate through the function with attempt to resolve found functions
for (FqName functionFQN : functionFQNs) {
for (CallableDescriptor functionDescriptor :
ExpressionTypingUtils.canFindSuitableCall(
functionFQN,
project,
receiverExpression,
expressionType,
scope,
resolveSession.getModuleConfiguration())) {
resultDescriptors.add(functionDescriptor);
}
}
}
}
return resultDescriptors;
}
private static void recordInnerClass(
@NotNull BindingTrace bindingTrace,
@NotNull ClassDescriptor outer,
@NotNull ClassDescriptor inner) {
Collection<ClassDescriptor> innerClasses = bindingTrace.get(INNER_CLASSES, outer);
if (innerClasses == null) {
innerClasses = new ArrayList<ClassDescriptor>();
bindingTrace.record(INNER_CLASSES, outer, innerClasses);
}
innerClasses.add(inner);
}
/** Return class names form jet sources in given scope which should be visible as Java classes. */
@NotNull
@Override
public PsiClass[] getClassesByName(
@NotNull @NonNls String name, @NotNull GlobalSearchScope scope) {
List<PsiClass> result = new ArrayList<PsiClass>();
IDELightClassGenerationSupport lightClassGenerationSupport =
IDELightClassGenerationSupport.getInstanceForIDE(project);
MultiMap<String, FqName> packageClasses =
lightClassGenerationSupport.getAllPackageClasses(scope);
// .namespace classes can not be indexed, since they have no explicit declarations
Collection<FqName> fqNames = packageClasses.get(name);
if (!fqNames.isEmpty()) {
for (FqName fqName : fqNames) {
PsiClass psiClass =
JavaElementFinder.getInstance(project).findClass(fqName.getFqName(), scope);
if (psiClass != null) {
result.add(psiClass);
}
}
}
// Quick check for classes from getAllClassNames()
Collection<JetClassOrObject> classOrObjects =
JetShortClassNameIndex.getInstance().get(name, project, scope);
if (classOrObjects.isEmpty()) {
return result.toArray(new PsiClass[result.size()]);
}
for (JetClassOrObject classOrObject : classOrObjects) {
FqName fqName = JetPsiUtil.getFQName(classOrObject);
if (fqName != null) {
assert fqName.shortName().getName().equals(name)
: "A declaration obtained from index has non-matching name:\n"
+ "in index: "
+ name
+ "\n"
+ "declared: "
+ fqName.shortName()
+ "("
+ fqName
+ ")";
PsiClass psiClass =
JavaElementFinder.getInstance(project).findClass(fqName.getFqName(), scope);
if (psiClass != null) {
result.add(psiClass);
}
}
}
return result.toArray(new PsiClass[result.size()]);
}
public Collection<ClassDescriptor> getJetClassesDescriptors(
@NotNull Condition<String> acceptedShortNameCondition, @NotNull KotlinCodeAnalyzer analyzer) {
Collection<ClassDescriptor> classDescriptors = new ArrayList<ClassDescriptor>();
for (String fqName : JetFullClassNameIndex.getInstance().getAllKeys(project)) {
FqName classFQName = new FqName(fqName);
if (acceptedShortNameCondition.value(classFQName.shortName().getName())) {
classDescriptors.addAll(
ResolveSessionUtils.getClassDescriptorsByFqName(analyzer, classFQName));
}
}
return classDescriptors;
}
/** Return jet class names form jet project sources which should be visible from java. */
@NotNull
@Override
public String[] getAllClassNames() {
Collection<String> classNames = JetShortClassNameIndex.getInstance().getAllKeys(project);
// .namespace classes can not be indexed, since they have no explicit declarations
IDELightClassGenerationSupport lightClassGenerationSupport =
IDELightClassGenerationSupport.getInstanceForIDE(project);
Set<String> packageClassShortNames =
lightClassGenerationSupport
.getAllPackageClasses(GlobalSearchScope.allScope(project))
.keySet();
classNames.addAll(packageClassShortNames);
return ArrayUtil.toStringArray(classNames);
}
private void prepareForDeferredCall(
@NotNull JetScope outerScope,
@NotNull DeclarationDescriptor descriptorForDeferredResolve,
@NotNull JetDeclarationContainer container) {
forDeferredResolve.add(container);
c.normalScope.put(container, outerScope);
c.forDeferredResolver.put(container, descriptorForDeferredResolve);
}
private void findAndDisconnectLoopsInTypeHierarchy(Collection<JetType> supertypes) {
for (Iterator<JetType> iterator = supertypes.iterator(); iterator.hasNext(); ) {
JetType supertype = iterator.next();
if (isReachable(supertype.getConstructor(), this, new HashSet<TypeConstructor>())) {
iterator.remove();
}
}
}
private void checkRedeclarationsInPackages(@NotNull TopDownAnalysisContext c) {
for (MutablePackageFragmentDescriptor packageFragment :
Sets.newHashSet(c.getPackageFragments().values())) {
PackageViewDescriptor packageView =
packageFragment.getContainingDeclaration().getPackage(packageFragment.getFqName());
JetScope packageViewScope = packageView.getMemberScope();
Multimap<Name, DeclarationDescriptor> simpleNameDescriptors =
packageFragment.getMemberScope().getDeclaredDescriptorsAccessibleBySimpleName();
for (Name name : simpleNameDescriptors.keySet()) {
// Keep only properties with no receiver
Collection<DeclarationDescriptor> descriptors =
Collections2.filter(
simpleNameDescriptors.get(name),
new Predicate<DeclarationDescriptor>() {
@Override
public boolean apply(@Nullable DeclarationDescriptor descriptor) {
if (descriptor instanceof PropertyDescriptor) {
PropertyDescriptor propertyDescriptor = (PropertyDescriptor) descriptor;
return propertyDescriptor.getReceiverParameter() == null;
}
return true;
}
});
ContainerUtil.addIfNotNull(descriptors, packageViewScope.getPackage(name));
if (descriptors.size() > 1) {
for (DeclarationDescriptor declarationDescriptor : descriptors) {
for (PsiElement declaration : getDeclarationsByDescriptor(declarationDescriptor)) {
assert declaration != null
: "Null declaration for descriptor: "
+ declarationDescriptor
+ " "
+ (declarationDescriptor != null
? DescriptorRenderer.FQ_NAMES_IN_TYPES.render(declarationDescriptor)
: "");
trace.report(
REDECLARATION.on(declaration, declarationDescriptor.getName().asString()));
}
}
}
}
}
}
private static Collection<ClassDescriptor> getClassOrObjectDescriptorsByFqName(
NamespaceDescriptor packageDescriptor, FqName path, boolean includeObjectDeclarations) {
if (path.isRoot()) {
return Collections.emptyList();
}
Collection<JetScope> scopes = Arrays.asList(packageDescriptor.getMemberScope());
List<Name> names = path.pathSegments();
if (names.size() > 1) {
for (Name subName : path.pathSegments().subList(0, names.size() - 1)) {
Collection<JetScope> tempScopes = Lists.newArrayList();
for (JetScope scope : scopes) {
ClassifierDescriptor classifier = scope.getClassifier(subName);
if (classifier instanceof ClassDescriptorBase) {
ClassDescriptorBase classDescriptor = (ClassDescriptorBase) classifier;
tempScopes.add(classDescriptor.getUnsubstitutedInnerClassesScope());
}
}
scopes = tempScopes;
}
}
Name shortName = path.shortName();
Collection<ClassDescriptor> resultClassifierDescriptors = Lists.newArrayList();
for (JetScope scope : scopes) {
ClassifierDescriptor classifier = scope.getClassifier(shortName);
if (classifier instanceof ClassDescriptor) {
resultClassifierDescriptors.add((ClassDescriptor) classifier);
}
if (includeObjectDeclarations) {
ClassDescriptor objectDescriptor = scope.getObjectDescriptor(shortName);
if (objectDescriptor != null) {
resultClassifierDescriptors.add(objectDescriptor);
}
}
}
return resultClassifierDescriptors;
}
private void reportRedeclarations(@NotNull Multimap<Name, DeclarationDescriptor> descriptorMap) {
Set<Pair<PsiElement, Name>> redeclarations = Sets.newHashSet();
for (Name name : descriptorMap.keySet()) {
Collection<DeclarationDescriptor> descriptors = descriptorMap.get(name);
if (descriptors.size() > 1) {
// We mustn't compare PropertyDescriptor with PropertyDescriptor because we do this at
// OverloadResolver
for (DeclarationDescriptor descriptor : descriptors) {
if (descriptor instanceof ClassDescriptor) {
for (DeclarationDescriptor descriptor2 : descriptors) {
if (descriptor == descriptor2) {
continue;
}
redeclarations.add(
Pair.create(
BindingContextUtils.classDescriptorToDeclaration(
trace.getBindingContext(), (ClassDescriptor) descriptor),
descriptor.getName()));
if (descriptor2 instanceof PropertyDescriptor) {
redeclarations.add(
Pair.create(
BindingContextUtils.descriptorToDeclaration(
trace.getBindingContext(), descriptor2),
descriptor2.getName()));
}
}
}
}
}
}
for (Pair<PsiElement, Name> redeclaration : redeclarations) {
trace.report(
REDECLARATION.on(redeclaration.getFirst(), redeclaration.getSecond().asString()));
}
}