@Override
public void visitJetFile(@NotNull JetFile file) {
MutablePackageFragmentDescriptor packageFragment = getOrCreatePackageFragmentForFile(file);
c.getPackageFragments().put(file, packageFragment);
c.addFile(file);
PackageViewDescriptor packageView =
packageFragment.getContainingDeclaration().getPackage(packageFragment.getFqName());
ChainedScope rootPlusPackageScope =
new ChainedScope(
packageView, "Root scope for " + file, packageView.getMemberScope(), outerScope);
WriteThroughScope packageScope =
new WriteThroughScope(
rootPlusPackageScope,
packageFragment.getMemberScope(),
new TraceBasedRedeclarationHandler(trace),
"package in file " + file.getName());
packageScope.changeLockLevel(WritableScope.LockLevel.BOTH);
c.getFileScopes().put(file, packageScope);
if (file.isScript()) {
scriptHeaderResolver.processScriptHierarchy(c, file.getScript(), packageScope);
}
prepareForDeferredCall(packageScope, packageFragment, file);
}
private void resolveFunctionAndPropertyHeaders(@NotNull TopDownAnalysisContext c) {
for (Map.Entry<JetFile, WritableScope> entry : c.getFileScopes().entrySet()) {
JetFile file = entry.getKey();
WritableScope fileScope = entry.getValue();
PackageLikeBuilder packageBuilder = c.getPackageFragments().get(file).getBuilder();
resolveFunctionAndPropertyHeaders(
c, file.getDeclarations(), fileScope, fileScope, fileScope, packageBuilder);
}
for (Map.Entry<JetClassOrObject, ClassDescriptorWithResolutionScopes> entry :
c.getDeclaredClasses().entrySet()) {
JetClassOrObject classOrObject = entry.getKey();
MutableClassDescriptor classDescriptor = (MutableClassDescriptor) entry.getValue();
resolveFunctionAndPropertyHeaders(
c,
classOrObject.getDeclarations(),
classDescriptor.getScopeForMemberDeclarationResolution(),
classDescriptor.getScopeForInitializerResolution(),
classDescriptor.getScopeForMemberDeclarationResolution(),
classDescriptor.getBuilder());
}
// TODO : Extensions
}
private void resolveAnonymousInitializers() {
for (Map.Entry<JetClass, MutableClassDescriptor> entry : context.getClasses().entrySet()) {
resolveAnonymousInitializers(entry.getKey(), entry.getValue());
}
for (Map.Entry<JetObjectDeclaration, MutableClassDescriptor> entry :
context.getObjects().entrySet()) {
resolveAnonymousInitializers(entry.getKey(), entry.getValue());
}
}
private void resolveDelegationSpecifierLists() {
// TODO : Make sure the same thing is not initialized twice
for (Map.Entry<JetClass, MutableClassDescriptor> entry : context.getClasses().entrySet()) {
resolveDelegationSpecifierList(entry.getKey(), entry.getValue());
}
for (Map.Entry<JetObjectDeclaration, MutableClassDescriptor> entry :
context.getObjects().entrySet()) {
resolveDelegationSpecifierList(entry.getKey(), entry.getValue());
}
}
private void resolvePropertyDeclarationBodies() {
// Member properties
Set<JetProperty> processed = Sets.newHashSet();
for (Map.Entry<JetClass, MutableClassDescriptor> entry : context.getClasses().entrySet()) {
JetClass jetClass = entry.getKey();
if (!context.completeAnalysisNeeded(jetClass)) continue;
MutableClassDescriptor classDescriptor = entry.getValue();
for (JetProperty property : jetClass.getProperties()) {
final PropertyDescriptor propertyDescriptor = this.context.getProperties().get(property);
assert propertyDescriptor != null;
computeDeferredType(propertyDescriptor.getReturnType());
JetExpression initializer = property.getInitializer();
if (initializer != null) {
ConstructorDescriptor primaryConstructor =
classDescriptor.getUnsubstitutedPrimaryConstructor();
if (primaryConstructor != null) {
JetScope declaringScopeForPropertyInitializer =
this.context.getDeclaringScopes().get(property);
resolvePropertyInitializer(
property, propertyDescriptor, initializer, declaringScopeForPropertyInitializer);
}
}
resolvePropertyAccessors(property, propertyDescriptor);
processed.add(property);
}
}
// Top-level properties & properties of objects
for (Map.Entry<JetProperty, PropertyDescriptor> entry :
this.context.getProperties().entrySet()) {
JetProperty property = entry.getKey();
if (!context.completeAnalysisNeeded(property)) continue;
if (processed.contains(property)) continue;
final PropertyDescriptor propertyDescriptor = entry.getValue();
computeDeferredType(propertyDescriptor.getReturnType());
JetScope declaringScope = this.context.getDeclaringScopes().get(property);
JetExpression initializer = property.getInitializer();
if (initializer != null) {
resolvePropertyInitializer(property, propertyDescriptor, initializer, declaringScope);
}
resolvePropertyAccessors(property, propertyDescriptor);
}
}
private List<MutableClassDescriptorLite> topologicallySortClassesAndObjects(
@NotNull TopDownAnalysisContext c) {
// A topsort is needed only for better diagnostics:
// edges that get removed to disconnect loops are more reasonable in this case
//noinspection unchecked
return DFS.topologicalOrder(
(Iterable) c.getClasses().values(),
new DFS.Neighbors<MutableClassDescriptorLite>() {
@NotNull
@Override
public Iterable<MutableClassDescriptorLite> getNeighbors(
MutableClassDescriptorLite current) {
List<MutableClassDescriptorLite> result = Lists.newArrayList();
for (JetType supertype : current.getSupertypes()) {
DeclarationDescriptor declarationDescriptor =
supertype.getConstructor().getDeclarationDescriptor();
if (declarationDescriptor instanceof MutableClassDescriptorLite) {
MutableClassDescriptorLite classDescriptor =
(MutableClassDescriptorLite) declarationDescriptor;
result.add(classDescriptor);
}
}
return result;
}
});
}
private void detectAndDisconnectLoops(@NotNull TopDownAnalysisContext c) {
// Loop detection and disconnection
List<Runnable> tasks = new ArrayList<Runnable>();
for (final MutableClassDescriptorLite klass : c.getClassesTopologicalOrder()) {
for (final JetType supertype : klass.getSupertypes()) {
ClassifierDescriptor supertypeDescriptor =
supertype.getConstructor().getDeclarationDescriptor();
if (supertypeDescriptor instanceof MutableClassDescriptorLite) {
MutableClassDescriptorLite superclass = (MutableClassDescriptorLite) supertypeDescriptor;
if (isReachable(superclass, klass, new HashSet<ClassDescriptor>())) {
tasks.add(
new Runnable() {
@Override
public void run() {
klass.getSupertypes().remove(supertype);
}
});
reportCyclicInheritanceHierarchyError(trace, klass, superclass);
}
}
}
}
for (Runnable task : tasks) {
task.run();
}
}
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);
}
}
@Override
public void visitClassObject(@NotNull JetClassObject classObject) {
JetObjectDeclaration objectDeclaration = classObject.getObjectDeclaration();
DeclarationDescriptor container = owner.getOwnerForChildren();
MutableClassDescriptor classObjectDescriptor =
createClassDescriptorForSingleton(
objectDeclaration, getClassObjectName(container.getName()), ClassKind.CLASS_OBJECT);
PackageLikeBuilder.ClassObjectStatus status =
isEnumEntry(container)
|| isObject(container)
|| c.getTopDownAnalysisParameters().isDeclaredLocally()
? PackageLikeBuilder.ClassObjectStatus.NOT_ALLOWED
: owner.setClassObjectDescriptor(classObjectDescriptor);
switch (status) {
case DUPLICATE:
trace.report(MANY_CLASS_OBJECTS.on(classObject));
break;
case NOT_ALLOWED:
trace.report(CLASS_OBJECT_NOT_ALLOWED.on(classObject));
break;
case OK:
// Everything is OK so no errors to trace.
break;
}
}
private void processPrimaryConstructor(
@NotNull TopDownAnalysisContext c,
@NotNull MutableClassDescriptor classDescriptor,
@NotNull JetClass klass) {
// TODO : not all the parameters are real properties
JetScope memberScope = classDescriptor.getScopeForClassHeaderResolution();
ConstructorDescriptor constructorDescriptor =
descriptorResolver.resolvePrimaryConstructorDescriptor(
memberScope, classDescriptor, klass, trace);
if (constructorDescriptor != null) {
List<ValueParameterDescriptor> valueParameterDescriptors =
constructorDescriptor.getValueParameters();
List<JetParameter> primaryConstructorParameters = klass.getPrimaryConstructorParameters();
assert valueParameterDescriptors.size() == primaryConstructorParameters.size();
List<ValueParameterDescriptor> notProperties = new ArrayList<ValueParameterDescriptor>();
for (ValueParameterDescriptor valueParameterDescriptor : valueParameterDescriptors) {
JetParameter parameter =
primaryConstructorParameters.get(valueParameterDescriptor.getIndex());
if (parameter.getValOrVarNode() != null) {
PropertyDescriptor propertyDescriptor =
descriptorResolver.resolvePrimaryConstructorParameterToAProperty(
classDescriptor, valueParameterDescriptor, memberScope, parameter, trace);
classDescriptor.getBuilder().addPropertyDescriptor(propertyDescriptor);
c.getPrimaryConstructorParameterProperties().put(parameter, propertyDescriptor);
} else {
notProperties.add(valueParameterDescriptor);
}
}
if (classDescriptor.getKind() != ClassKind.TRAIT) {
classDescriptor.setPrimaryConstructor(constructorDescriptor);
classDescriptor.addConstructorParametersToInitializersScope(notProperties);
}
}
}
@NotNull
private MutableClassDescriptor createClassDescriptorForClass(
@NotNull JetClass klass, @NotNull DeclarationDescriptor containingDeclaration) {
ClassKind kind = getClassKind(klass);
// Kind check is needed in order to not consider enums as inner in any case
// (otherwise it would be impossible to create a class object in the enum)
boolean isInner = kind == ClassKind.CLASS && klass.isInner();
MutableClassDescriptor mutableClassDescriptor =
new MutableClassDescriptor(
containingDeclaration,
outerScope,
kind,
isInner,
JetPsiUtil.safeName(klass.getName()));
c.getClasses().put(klass, mutableClassDescriptor);
trace.record(
FQNAME_TO_CLASS_DESCRIPTOR, JetPsiUtil.getUnsafeFQName(klass), mutableClassDescriptor);
createClassObjectForEnumClass(mutableClassDescriptor);
JetScope classScope = mutableClassDescriptor.getScopeForMemberDeclarationResolution();
prepareForDeferredCall(classScope, mutableClassDescriptor, klass);
return mutableClassDescriptor;
}
public void process(
@NotNull TopDownAnalysisContext c,
@NotNull JetScope outerScope,
@NotNull PackageLikeBuilder owner,
@NotNull Collection<? extends PsiElement> declarations) {
{
// TODO: Very temp code - main goal is to remove recursion from
// collectPackageFragmentsAndClassifiers
Queue<JetDeclarationContainer> forDeferredResolve = new LinkedList<JetDeclarationContainer>();
forDeferredResolve.addAll(
collectPackageFragmentsAndClassifiers(c, outerScope, owner, declarations));
while (!forDeferredResolve.isEmpty()) {
JetDeclarationContainer declarationContainer = forDeferredResolve.poll();
assert declarationContainer != null;
DeclarationDescriptor descriptorForDeferredResolve =
c.forDeferredResolver.get(declarationContainer);
JetScope scope = c.normalScope.get(declarationContainer);
// Even more temp code
if (descriptorForDeferredResolve instanceof MutableClassDescriptorLite) {
forDeferredResolve.addAll(
collectPackageFragmentsAndClassifiers(
c,
scope,
((MutableClassDescriptorLite) descriptorForDeferredResolve).getBuilder(),
declarationContainer.getDeclarations()));
} else if (descriptorForDeferredResolve instanceof MutablePackageFragmentDescriptor) {
forDeferredResolve.addAll(
collectPackageFragmentsAndClassifiers(
c,
scope,
((MutablePackageFragmentDescriptor) descriptorForDeferredResolve).getBuilder(),
declarationContainer.getDeclarations()));
} else {
assert false;
}
}
}
importsResolver.processTypeImports(c);
createTypeConstructors(
c); // create type constructors for classes and generic parameters, supertypes are not
// filled in
resolveTypesInClassHeaders(
c); // Generic bounds and types in supertype lists (no expressions or constructor
// resolution)
c.setClassesTopologicalOrder(topologicallySortClassesAndObjects(c));
// Detect and disconnect all loops in the hierarchy
detectAndDisconnectLoops(c);
}
private void resolveAnnotationConstructors(@NotNull TopDownAnalysisContext c) {
for (Map.Entry<JetClassOrObject, ClassDescriptorWithResolutionScopes> entry :
c.getDeclaredClasses().entrySet()) {
JetClassOrObject classOrObject = entry.getKey();
MutableClassDescriptor classDescriptor = (MutableClassDescriptor) entry.getValue();
if (classOrObject instanceof JetClass && DescriptorUtils.isAnnotationClass(classDescriptor)) {
processPrimaryConstructor(c, classDescriptor, (JetClass) classOrObject);
}
}
}
private void resolveAnnotationStubsOnClassesAndConstructors(@NotNull TopDownAnalysisContext c) {
for (Map.Entry<JetClassOrObject, ClassDescriptorWithResolutionScopes> entry :
c.getDeclaredClasses().entrySet()) {
JetModifierList modifierList = entry.getKey().getModifierList();
if (modifierList != null) {
MutableClassDescriptor descriptor = (MutableClassDescriptor) entry.getValue();
descriptor.addAnnotations(
annotationResolver.resolveAnnotationsWithoutArguments(
descriptor.getScopeForClassHeaderResolution(), modifierList, trace));
}
}
}
private void resolveTypesInClassHeaders(@NotNull TopDownAnalysisContext c) {
for (Map.Entry<JetClassOrObject, ClassDescriptorWithResolutionScopes> entry :
c.getClasses().entrySet()) {
JetClassOrObject classOrObject = entry.getKey();
if (classOrObject instanceof JetClass) {
ClassDescriptorWithResolutionScopes descriptor = entry.getValue();
//noinspection unchecked
descriptorResolver.resolveGenericBounds(
(JetClass) classOrObject,
descriptor,
descriptor.getScopeForClassHeaderResolution(),
(List) descriptor.getTypeConstructor().getParameters(),
trace);
}
}
for (Map.Entry<JetClassOrObject, ClassDescriptorWithResolutionScopes> entry :
c.getClasses().entrySet()) {
descriptorResolver.resolveSupertypesForMutableClassDescriptor(
entry.getKey(), (MutableClassDescriptor) entry.getValue(), trace);
}
}
private void resolvePrimaryConstructorParameters() {
for (Map.Entry<JetClass, MutableClassDescriptor> entry : context.getClasses().entrySet()) {
JetClass klass = entry.getKey();
MutableClassDescriptor classDescriptor = entry.getValue();
ConstructorDescriptor unsubstitutedPrimaryConstructor =
classDescriptor.getUnsubstitutedPrimaryConstructor();
if (unsubstitutedPrimaryConstructor != null) {
checkDefaultParameterValues(
klass.getPrimaryConstructorParameters(),
unsubstitutedPrimaryConstructor.getValueParameters(),
classDescriptor.getScopeForInitializers());
}
}
}
@NotNull
private MutableClassDescriptor createClassDescriptorForSingleton(
@NotNull JetClassOrObject declaration, @NotNull Name name, @NotNull ClassKind kind) {
MutableClassDescriptor descriptor =
new MutableClassDescriptor(owner.getOwnerForChildren(), outerScope, kind, false, name);
prepareForDeferredCall(
descriptor.getScopeForMemberDeclarationResolution(), descriptor, declaration);
createPrimaryConstructorForObject(declaration, descriptor);
trace.record(BindingContext.CLASS, declaration, descriptor);
c.getClasses().put(declaration, descriptor);
return descriptor;
}
private void createFunctionsForDataClasses(@NotNull TopDownAnalysisContext c) {
for (Map.Entry<JetClassOrObject, ClassDescriptorWithResolutionScopes> entry :
c.getDeclaredClasses().entrySet()) {
JetClassOrObject klass = entry.getKey();
MutableClassDescriptor classDescriptor = (MutableClassDescriptor) entry.getValue();
if (klass instanceof JetClass
&& klass.hasPrimaryConstructor()
&& KotlinBuiltIns.getInstance().isData(classDescriptor)) {
ConstructorDescriptor constructor =
DescriptorUtils.getConstructorOfDataClass(classDescriptor);
createComponentFunctions(classDescriptor, constructor);
createCopyFunction(classDescriptor, constructor);
}
}
}
private void createTypeConstructors(@NotNull TopDownAnalysisContext c) {
for (Map.Entry<JetClassOrObject, ClassDescriptorWithResolutionScopes> entry :
c.getClasses().entrySet()) {
JetClassOrObject classOrObject = entry.getKey();
MutableClassDescriptor descriptor = (MutableClassDescriptor) entry.getValue();
if (classOrObject instanceof JetClass) {
descriptorResolver.resolveMutableClassDescriptor(
(JetClass) classOrObject, descriptor, trace);
} else if (classOrObject instanceof JetObjectDeclaration) {
descriptor.setModality(Modality.FINAL);
descriptor.setVisibility(
resolveVisibilityFromModifiers(classOrObject, getDefaultClassVisibility(descriptor)));
descriptor.setTypeParameterDescriptors(Collections.<TypeParameterDescriptor>emptyList());
}
descriptor.createTypeConstructor();
ClassKind kind = descriptor.getKind();
if (kind == ClassKind.ENUM_ENTRY
|| kind == ClassKind.OBJECT
|| kind == ClassKind.ENUM_CLASS) {
MutableClassDescriptorLite classObject = descriptor.getClassObjectDescriptor();
assert classObject != null
: "Enum entries and named objects should have class objects: "
+ classOrObject.getText();
JetType supertype;
if (kind == ClassKind.ENUM_CLASS) {
supertype = KotlinBuiltIns.getInstance().getAnyType();
} else {
// This is a clever hack: each enum entry and object declaration (i.e. singleton) has a
// synthetic class object.
// We make this class object inherit from the singleton here, thus allowing to use the
// singleton's class object where
// the instance of the singleton is applicable. Effectively all members of the singleton
// would be present in its class
// object as fake overrides, so you can access them via standard class object notation:
// ObjectName.memberName()
supertype = descriptor.getDefaultType();
}
classObject.setSupertypes(Collections.singleton(supertype));
classObject.createTypeConstructor();
}
}
}
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 void resolveAnonymousInitializers(
JetClassOrObject jetClassOrObject, MutableClassDescriptor classDescriptor) {
if (!context.completeAnalysisNeeded(jetClassOrObject)) return;
List<JetClassInitializer> anonymousInitializers = jetClassOrObject.getAnonymousInitializers();
if (classDescriptor.getUnsubstitutedPrimaryConstructor() != null) {
ConstructorDescriptor primaryConstructor =
classDescriptor.getUnsubstitutedPrimaryConstructor();
assert primaryConstructor != null;
final JetScope scopeForInitializers = classDescriptor.getScopeForInitializers();
for (JetClassInitializer anonymousInitializer : anonymousInitializers) {
expressionTypingServices.getType(
scopeForInitializers, anonymousInitializer.getBody(), NO_EXPECTED_TYPE, trace);
}
} else {
for (JetClassInitializer anonymousInitializer : anonymousInitializers) {
trace.report(ANONYMOUS_INITIALIZER_WITHOUT_CONSTRUCTOR.on(anonymousInitializer));
}
}
}
private JetScope makeScopeForPropertyAccessor(
@NotNull JetPropertyAccessor accessor, PropertyDescriptor propertyDescriptor) {
JetScope declaringScope = context.getDeclaringScopes().get(accessor);
JetScope propertyDeclarationInnerScope =
descriptorResolver.getPropertyDeclarationInnerScope(
declaringScope,
propertyDescriptor,
propertyDescriptor.getTypeParameters(),
propertyDescriptor.getReceiverParameter(),
trace);
WritableScope accessorScope =
new WritableScopeImpl(
propertyDeclarationInnerScope,
declaringScope.getContainingDeclaration(),
new TraceBasedRedeclarationHandler(trace))
.setDebugName("Accessor scope");
accessorScope.changeLockLevel(WritableScope.LockLevel.READING);
return accessorScope;
}
private void resolveFunctionBody(
@NotNull BindingTrace trace,
@NotNull JetDeclarationWithBody function,
@NotNull FunctionDescriptor functionDescriptor,
@NotNull JetScope declaringScope) {
if (!context.completeAnalysisNeeded(function)) return;
JetExpression bodyExpression = function.getBodyExpression();
JetScope functionInnerScope =
FunctionDescriptorUtil.getFunctionInnerScope(declaringScope, functionDescriptor, trace);
if (bodyExpression != null) {
expressionTypingServices.checkFunctionReturnType(
functionInnerScope, function, functionDescriptor, trace);
}
List<JetParameter> valueParameters = function.getValueParameters();
List<ValueParameterDescriptor> valueParameterDescriptors =
functionDescriptor.getValueParameters();
checkDefaultParameterValues(valueParameters, valueParameterDescriptors, functionInnerScope);
assert functionDescriptor.getReturnType() != null;
}
private void resolveSecondaryConstructorBody(
JetSecondaryConstructor declaration, final ConstructorDescriptor descriptor) {
if (!context.completeAnalysisNeeded(declaration)) return;
MutableClassDescriptor classDescriptor =
(MutableClassDescriptor) descriptor.getContainingDeclaration();
final JetScope scopeForSupertypeInitializers =
FunctionDescriptorUtil.getFunctionInnerScope(
classDescriptor.getScopeForSupertypeResolution(), descriptor, trace);
// contains only constructor parameters
final JetScope scopeForConstructorBody =
FunctionDescriptorUtil.getFunctionInnerScope(
classDescriptor.getScopeForInitializers(), descriptor, trace);
// contains members & backing fields
final DataFlowInfo dataFlowInfo = DataFlowInfo.EMPTY; // TODO: dataFlowInfo
PsiElement nameElement = declaration.getNameNode().getPsi();
if (classDescriptor.getUnsubstitutedPrimaryConstructor() == null) {
trace.report(SECONDARY_CONSTRUCTOR_BUT_NO_PRIMARY.on(nameElement));
} else {
List<JetDelegationSpecifier> initializers = declaration.getInitializers();
if (initializers.isEmpty()) {
trace.report(SECONDARY_CONSTRUCTOR_NO_INITIALIZER_LIST.on(nameElement));
} else {
initializers
.get(0)
.accept(
new JetVisitorVoid() {
@Override
public void visitDelegationToSuperCallSpecifier(JetDelegatorToSuperCall call) {
JetTypeReference typeReference = call.getTypeReference();
if (typeReference != null) {
callResolver.resolveFunctionCall(
trace,
scopeForSupertypeInitializers,
CallMaker.makeCall(ReceiverDescriptor.NO_RECEIVER, null, call),
NO_EXPECTED_TYPE,
dataFlowInfo);
}
}
@Override
public void visitDelegationToThisCall(JetDelegatorToThisCall call) {
// TODO : check that there's no recursion in this() calls
// TODO : check: if a this() call is present, no other initializers are allowed
ClassDescriptor classDescriptor = descriptor.getContainingDeclaration();
callResolver.resolveFunctionCall(
trace,
scopeForSupertypeInitializers,
CallMaker.makeCall(ReceiverDescriptor.NO_RECEIVER, null, call),
NO_EXPECTED_TYPE,
dataFlowInfo);
// call.getThisReference(),
// classDescriptor,
// classDescriptor.getDefaultType(),
// call);
// trace.getErrorHandler().genericError(call.getNode(),
// "this-calls are not supported");
}
@Override
public void visitDelegationByExpressionSpecifier(
JetDelegatorByExpressionSpecifier specifier) {
trace.report(BY_IN_SECONDARY_CONSTRUCTOR.on(specifier));
}
@Override
public void visitDelegationToSuperClassSpecifier(
JetDelegatorToSuperClass specifier) {
trace.report(INITIALIZER_WITH_NO_ARGUMENTS.on(specifier));
}
@Override
public void visitDelegationSpecifier(JetDelegationSpecifier specifier) {
throw new IllegalStateException();
}
});
for (int i = 1, initializersSize = initializers.size(); i < initializersSize; i++) {
JetDelegationSpecifier initializer = initializers.get(i);
trace.report(MANY_CALLS_TO_THIS.on(initializer));
}
}
}
JetExpression bodyExpression = declaration.getBodyExpression();
if (bodyExpression != null) {
expressionTypingServices.checkFunctionReturnType(
scopeForConstructorBody,
declaration,
descriptor,
JetStandardClasses.getUnitType(),
trace);
}
checkDefaultParameterValues(
declaration.getValueParameters(), descriptor.getValueParameters(), scopeForConstructorBody);
}
private void resolveDelegationSpecifierList(
final JetClassOrObject jetClass, final MutableClassDescriptor descriptor) {
if (!context.completeAnalysisNeeded(jetClass)) return;
final ConstructorDescriptor primaryConstructor =
descriptor.getUnsubstitutedPrimaryConstructor();
final JetScope scopeForConstructor =
primaryConstructor == null
? null
: FunctionDescriptorUtil.getFunctionInnerScope(
descriptor.getScopeForSupertypeResolution(), primaryConstructor, trace);
final ExpressionTypingServices typeInferrer = expressionTypingServices; // TODO : flow
final Map<JetTypeReference, JetType> supertypes = Maps.newLinkedHashMap();
JetVisitorVoid visitor =
new JetVisitorVoid() {
private void recordSupertype(JetTypeReference typeReference, JetType supertype) {
if (supertype == null) return;
supertypes.put(typeReference, supertype);
}
@Override
public void visitDelegationByExpressionSpecifier(
JetDelegatorByExpressionSpecifier specifier) {
if (descriptor.getKind() == ClassKind.TRAIT) {
trace.report(DELEGATION_IN_TRAIT.on(specifier));
}
JetType supertype =
trace.getBindingContext().get(BindingContext.TYPE, specifier.getTypeReference());
recordSupertype(specifier.getTypeReference(), supertype);
if (supertype != null) {
DeclarationDescriptor declarationDescriptor =
supertype.getConstructor().getDeclarationDescriptor();
if (declarationDescriptor instanceof ClassDescriptor) {
ClassDescriptor classDescriptor = (ClassDescriptor) declarationDescriptor;
if (classDescriptor.getKind() != ClassKind.TRAIT) {
trace.report(DELEGATION_NOT_TO_TRAIT.on(specifier.getTypeReference()));
}
}
}
JetExpression delegateExpression = specifier.getDelegateExpression();
if (delegateExpression != null) {
JetScope scope =
scopeForConstructor == null
? descriptor.getScopeForMemberResolution()
: scopeForConstructor;
JetType type =
typeInferrer.getType(scope, delegateExpression, NO_EXPECTED_TYPE, trace);
if (type != null
&& supertype != null
&& !JetTypeChecker.INSTANCE.isSubtypeOf(type, supertype)) {
trace.report(TYPE_MISMATCH.on(delegateExpression, supertype, type));
}
}
}
@Override
public void visitDelegationToSuperCallSpecifier(JetDelegatorToSuperCall call) {
JetValueArgumentList valueArgumentList = call.getValueArgumentList();
PsiElement elementToMark = valueArgumentList == null ? call : valueArgumentList;
if (descriptor.getKind() == ClassKind.TRAIT) {
trace.report(SUPERTYPE_INITIALIZED_IN_TRAIT.on(elementToMark));
}
JetTypeReference typeReference = call.getTypeReference();
if (typeReference == null) return;
if (descriptor.getUnsubstitutedPrimaryConstructor() == null) {
assert descriptor.getKind() == ClassKind.TRAIT;
return;
}
OverloadResolutionResults<FunctionDescriptor> results =
callResolver.resolveFunctionCall(
trace,
scopeForConstructor,
CallMaker.makeCall(ReceiverDescriptor.NO_RECEIVER, null, call),
NO_EXPECTED_TYPE,
DataFlowInfo.EMPTY);
if (results.isSuccess()) {
JetType supertype = results.getResultingDescriptor().getReturnType();
recordSupertype(typeReference, supertype);
ClassDescriptor classDescriptor = TypeUtils.getClassDescriptor(supertype);
if (classDescriptor != null) {
if (classDescriptor.getKind() == ClassKind.TRAIT) {
trace.report(CONSTRUCTOR_IN_TRAIT.on(elementToMark));
}
}
} else {
recordSupertype(
typeReference, trace.getBindingContext().get(BindingContext.TYPE, typeReference));
}
}
@Override
public void visitDelegationToSuperClassSpecifier(JetDelegatorToSuperClass specifier) {
JetTypeReference typeReference = specifier.getTypeReference();
JetType supertype = trace.getBindingContext().get(BindingContext.TYPE, typeReference);
recordSupertype(typeReference, supertype);
if (supertype == null) return;
ClassDescriptor classDescriptor = TypeUtils.getClassDescriptor(supertype);
if (classDescriptor == null) return;
if (descriptor.getKind() != ClassKind.TRAIT
&& classDescriptor.hasConstructors()
&& !ErrorUtils.isError(classDescriptor.getTypeConstructor())
&& classDescriptor.getKind() != ClassKind.TRAIT) {
boolean hasConstructorWithoutParams = false;
for (ConstructorDescriptor constructor : classDescriptor.getConstructors()) {
if (constructor.getValueParameters().isEmpty()) {
hasConstructorWithoutParams = true;
}
}
if (!hasConstructorWithoutParams) {
trace.report(SUPERTYPE_NOT_INITIALIZED.on(specifier));
} else {
trace.report(SUPERTYPE_NOT_INITIALIZED_DEFAULT.on(specifier));
}
}
}
@Override
public void visitDelegationToThisCall(JetDelegatorToThisCall thisCall) {
throw new IllegalStateException("This-calls should be prohibited by the parser");
}
@Override
public void visitJetElement(JetElement element) {
throw new UnsupportedOperationException(element.getText() + " : " + element);
}
};
for (JetDelegationSpecifier delegationSpecifier : jetClass.getDelegationSpecifiers()) {
delegationSpecifier.accept(visitor);
}
Set<TypeConstructor> parentEnum = Collections.emptySet();
if (jetClass instanceof JetEnumEntry) {
parentEnum =
Collections.singleton(
((ClassDescriptor) descriptor.getContainingDeclaration().getContainingDeclaration())
.getTypeConstructor());
}
checkSupertypeList(descriptor, supertypes, parentEnum);
}