public static void registerClassNameForScript(
BindingTrace bindingTrace,
@NotNull ScriptDescriptor scriptDescriptor,
@NotNull JvmClassName className) {
bindingTrace.record(SCRIPT_NAMES, className);
ClassDescriptorImpl classDescriptor =
new ClassDescriptorImpl(
scriptDescriptor,
Collections.<AnnotationDescriptor>emptyList(),
Modality.FINAL,
Name.special("<script-" + className + ">"));
classDescriptor.initialize(
false,
Collections.<TypeParameterDescriptor>emptyList(),
Collections.singletonList(KotlinBuiltIns.getInstance().getAnyType()),
JetScope.EMPTY,
Collections.<ConstructorDescriptor>emptySet(),
null,
false);
recordClosure(bindingTrace, null, classDescriptor, null, className, false);
assert PsiCodegenPredictor.checkPredictedClassNameForFun(
bindingTrace.getBindingContext(), scriptDescriptor, classDescriptor);
bindingTrace.record(CLASS_FOR_SCRIPT, scriptDescriptor, classDescriptor);
}
@NotNull
@Override
public Collection<? extends JetType> getSupertypes() {
if (supertypes == null) {
if (resolveSession.isClassSpecial(DescriptorUtils.getFQName(LazyClassDescriptor.this))) {
this.supertypes = Collections.emptyList();
} else {
JetClassOrObject classOrObject =
declarationProvider.getOwnerInfo().getCorrespondingClassOrObject();
if (classOrObject == null) {
this.supertypes = Collections.emptyList();
} else {
List<JetType> allSupertypes =
resolveSession
.getInjector()
.getDescriptorResolver()
.resolveSupertypes(
getScopeForClassHeaderResolution(),
LazyClassDescriptor.this,
classOrObject,
resolveSession.getTrace());
List<JetType> validSupertypes =
Lists.newArrayList(Collections2.filter(allSupertypes, VALID_SUPERTYPE));
this.supertypes = validSupertypes;
findAndDisconnectLoopsInTypeHierarchy(validSupertypes);
}
}
}
return supertypes;
}
@Override
public Collection<JetType> invoke() {
if (resolveSession.isClassSpecial(
DescriptorUtils.getFQName(LazyClassDescriptor.this))) {
return Collections.emptyList();
} else {
JetClassOrObject classOrObject =
declarationProvider.getOwnerInfo().getCorrespondingClassOrObject();
if (classOrObject == null) {
return Collections.emptyList();
} else {
List<JetType> allSupertypes =
resolveSession
.getInjector()
.getDescriptorResolver()
.resolveSupertypes(
getScopeForClassHeaderResolution(),
LazyClassDescriptor.this,
classOrObject,
resolveSession.getTrace());
return Lists.newArrayList(
Collections2.filter(allSupertypes, VALID_SUPERTYPE));
}
}
}
static {
ERROR_CLASS.initialize(
true,
Collections.<TypeParameterDescriptor>emptyList(),
Collections.<JetType>emptyList(),
createErrorScope("ERROR_CLASS"),
ERROR_CONSTRUCTOR_GROUP,
ERROR_CONSTRUCTOR,
false);
}
private static JetType createErrorTypeWithCustomDebugName(
JetScope memberScope, String debugName) {
return new ErrorTypeImpl(
new TypeConstructorImpl(
ERROR_CLASS,
Collections.<AnnotationDescriptor>emptyList(),
false,
debugName,
Collections.<TypeParameterDescriptorImpl>emptyList(),
Collections.singleton(KotlinBuiltIns.getInstance().getAnyType())),
memberScope);
}
public static ConstructorDescriptor createErrorConstructor(
int typeParameterCount, List<JetType> positionedValueParameterTypes) {
ConstructorDescriptorImpl r =
new ConstructorDescriptorImpl(
ERROR_CLASS, Collections.<AnnotationDescriptor>emptyList(), false);
r.initialize(
Collections.<TypeParameterDescriptor>emptyList(), // TODO
Collections.<ValueParameterDescriptor>emptyList(), // TODO
Visibilities.INTERNAL);
r.setReturnType(createErrorType("<ERROR RETURN TYPE>"));
return r;
}
private static SimpleFunctionDescriptor createErrorFunction(ErrorScope ownerScope) {
ErrorSimpleFunctionDescriptorImpl function = new ErrorSimpleFunctionDescriptorImpl(ownerScope);
function.initialize(
null,
ReceiverParameterDescriptor.NO_RECEIVER_PARAMETER,
Collections.<TypeParameterDescriptorImpl>emptyList(), // TODO
Collections.<ValueParameterDescriptor>emptyList(), // TODO
createErrorType("<ERROR FUNCTION RETURN TYPE>"),
Modality.OPEN,
Visibilities.INTERNAL,
/*isInline = */ false);
return function;
}
@NotNull
private Collection<PsiElement> getDeclarationsByDescriptor(
@NotNull DeclarationDescriptor declarationDescriptor) {
Collection<PsiElement> declarations;
if (declarationDescriptor instanceof PackageViewDescriptor) {
final PackageViewDescriptor aPackage = (PackageViewDescriptor) declarationDescriptor;
Collection<JetFile> files = trace.get(BindingContext.PACKAGE_TO_FILES, aPackage.getFqName());
if (files == null) {
return Collections
.emptyList(); // package can be defined out of Kotlin sources, e. g. in library or Java
// code
}
declarations =
Collections2.transform(
files,
new Function<JetFile, PsiElement>() {
@Override
public PsiElement apply(@Nullable JetFile file) {
assert file != null : "File is null for aPackage " + aPackage;
return file.getPackageDirective().getNameIdentifier();
}
});
} else {
declarations =
Collections.singletonList(
BindingContextUtils.descriptorToDeclaration(
trace.getBindingContext(), declarationDescriptor));
}
return declarations;
}
@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;
}
@NotNull
private List<AnnotationDescriptor> resolveAnnotations() {
JetClassLikeInfo classInfo = declarationProvider.getOwnerInfo();
JetModifierList modifierList = classInfo.getModifierList();
if (modifierList != null) {
AnnotationResolver annotationResolver = resolveSession.getInjector().getAnnotationResolver();
JetScope scopeForDeclaration =
getScopeProvider().getResolutionScopeForDeclaration(classInfo.getScopeAnchor());
return annotationResolver.resolveAnnotationsWithArguments(
scopeForDeclaration, modifierList, resolveSession.getTrace());
} else {
return Collections.emptyList();
}
}
private static List<ValueParameterDescriptor> getValueParameters(
FunctionDescriptor functionDescriptor, List<JetType> argumentTypes) {
List<ValueParameterDescriptor> result = new ArrayList<ValueParameterDescriptor>();
for (int i = 0, argumentTypesSize = argumentTypes.size(); i < argumentTypesSize; i++) {
result.add(
new ValueParameterDescriptorImpl(
functionDescriptor,
i,
Collections.<AnnotationDescriptor>emptyList(),
Name.special("<ERROR VALUE_PARAMETER>"),
ERROR_PARAMETER_TYPE,
false,
null));
}
return result;
}
private static BodyResolver createBodyResolver(
DelegatingBindingTrace trace,
JetFile file,
BodyResolveContextForLazy bodyResolveContext,
ModuleConfiguration moduleConfiguration) {
TopDownAnalysisParameters parameters =
new TopDownAnalysisParameters(
Predicates.<PsiFile>alwaysTrue(),
false,
true,
Collections.<AnalyzerScriptParameter>emptyList());
InjectorForBodyResolve bodyResolve =
new InjectorForBodyResolve(
file.getProject(), parameters, trace, bodyResolveContext, moduleConfiguration);
return bodyResolve.getBodyResolver();
}
@NotNull
private MutableClassDescriptor createSyntheticClassObject(
@NotNull ClassDescriptor classDescriptor) {
MutableClassDescriptor classObject =
new MutableClassDescriptor(
classDescriptor,
outerScope,
ClassKind.CLASS_OBJECT,
false,
getClassObjectName(classDescriptor.getName()));
classObject.setModality(Modality.FINAL);
classObject.setVisibility(DescriptorUtils.getSyntheticClassObjectVisibility());
classObject.setTypeParameterDescriptors(Collections.<TypeParameterDescriptor>emptyList());
createPrimaryConstructorForObject(null, classObject);
return classObject;
}
public static void initializeFromFunctionType(
@NotNull FunctionDescriptorImpl functionDescriptor,
@NotNull JetType functionType,
@Nullable ReceiverParameterDescriptor expectedThisObject,
@NotNull Modality modality,
@NotNull Visibility visibility) {
assert KotlinBuiltIns.getInstance().isFunctionOrExtensionFunctionType(functionType);
functionDescriptor.initialize(
KotlinBuiltIns.getInstance().getReceiverType(functionType),
expectedThisObject,
Collections.<TypeParameterDescriptorImpl>emptyList(),
KotlinBuiltIns.getInstance().getValueParameters(functionDescriptor, functionType),
KotlinBuiltIns.getInstance().getReturnTypeFromFunctionType(functionType),
modality,
visibility);
}
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();
}
}
}
@Override
public List<AnnotationDescriptor> getAnnotations() {
if (annotations == null) {
JetClassLikeInfo classInfo = declarationProvider.getOwnerInfo();
JetModifierList modifierList = classInfo.getModifierList();
if (modifierList != null) {
AnnotationResolver annotationResolver =
resolveSession.getInjector().getAnnotationResolver();
annotations =
annotationResolver.resolveAnnotations(
resolveSession.getResolutionScope(classInfo.getScopeAnchor()),
modifierList,
resolveSession.getTrace());
} else {
annotations = Collections.emptyList();
}
}
return annotations;
}
protected Void visitVariableDescriptor(
VariableDescriptor descriptor, StringBuilder builder, boolean skipValVar) {
JetType type = descriptor.getType();
if (descriptor instanceof ValueParameterDescriptor) {
JetType varargElementType = ((ValueParameterDescriptor) descriptor).getVarargElementType();
if (varargElementType != null) {
builder.append(renderKeyword("vararg")).append(" ");
type = varargElementType;
}
}
String typeString =
renderPropertyPrefixAndComputeTypeString(
builder,
skipValVar ? null : descriptor.isVar(),
Collections.<TypeParameterDescriptor>emptyList(),
ReceiverDescriptor.NO_RECEIVER,
type);
renderName(descriptor, builder);
builder.append(" : ").append(escape(typeString));
return null;
}
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;
}
@NotNull
public Collection<ClassDescriptor> getTopLevelObjectsByName(
@NotNull String name,
@NotNull JetSimpleNameExpression expression,
@NotNull ResolveSession resolveSession,
@NotNull GlobalSearchScope scope) {
BindingContext context = ResolveSessionUtils.resolveToExpression(resolveSession, expression);
JetScope jetScope = context.get(BindingContext.RESOLUTION_SCOPE, expression);
if (jetScope == null) {
return Collections.emptyList();
}
Set<ClassDescriptor> result = Sets.newHashSet();
Collection<JetObjectDeclaration> topObjects =
JetTopLevelShortObjectNameIndex.getInstance().get(name, project, scope);
for (JetObjectDeclaration objectDeclaration : topObjects) {
FqName fqName = JetPsiUtil.getFQName(objectDeclaration);
assert fqName != null
: "Local object declaration in JetTopLevelShortObjectNameIndex:"
+ objectDeclaration.getText();
result.addAll(
ResolveSessionUtils.getClassOrObjectDescriptorsByFqName(resolveSession, fqName, true));
}
for (PsiClass psiClass :
JetFromJavaDescriptorHelper.getCompiledClassesForTopLevelObjects(
project, GlobalSearchScope.allScope(project))) {
String qualifiedName = psiClass.getQualifiedName();
if (qualifiedName != null) {
FqName fqName = new FqName(qualifiedName);
result.addAll(
ResolveSessionUtils.getClassOrObjectDescriptorsByFqName(resolveSession, fqName, true));
}
}
return result;
}
public JvmFunctionImplTypes(@NotNull ReflectionTypes reflectionTypes) {
this.reflectionTypes = reflectionTypes;
ModuleDescriptor fakeModule =
new ModuleDescriptorImpl(
Name.special("<fake module for functions impl>"),
Collections.<ImportPath>emptyList(),
JavaToKotlinClassMap.getInstance());
PackageFragmentDescriptor kotlinJvmInternal =
new MutablePackageFragmentDescriptor(fakeModule, new FqName("kotlin.jvm.internal"));
PackageFragmentDescriptor kotlinReflectJvmInternal =
new MutablePackageFragmentDescriptor(fakeModule, new FqName("kotlin.reflect.jvm.internal"));
this.functionImpl = createClass(kotlinJvmInternal, "FunctionImpl", "out R");
this.extensionFunctionImpl =
createClass(kotlinJvmInternal, "ExtensionFunctionImpl", "in T", "out R");
this.kFunctionImpl = createClass(kotlinReflectJvmInternal, "KFunctionImpl", "out R");
this.kExtensionFunctionImpl =
createClass(kotlinReflectJvmInternal, "KExtensionFunctionImpl", "in T", "out R");
this.kMemberFunctionImpl =
createClass(kotlinReflectJvmInternal, "KMemberFunctionImpl", "in T", "out R");
}
@Override
public List<AnnotationDescriptor> getAnnotations() {
return Collections.emptyList(); // TODO
}
@Override
public Collection<JetType> invoke(Boolean firstTime) {
return Collections.emptyList();
}
@NotNull
public Collection<FunctionDescriptor> getTopLevelFunctionDescriptorsByName(
@NotNull String name,
@NotNull JetSimpleNameExpression expression,
@NotNull ResolveSession resolveSession,
@NotNull GlobalSearchScope scope) {
// name parameter can differ from expression.getReferenceName() when expression contains
// completion suffix
Name referenceName =
expression.getIdentifier() == null
? JetPsiUtil.getConventionName(expression)
: Name.identifier(name);
if (referenceName == null || referenceName.toString().isEmpty()) {
return Collections.emptyList();
}
BindingContext context = ResolveSessionUtils.resolveToExpression(resolveSession, expression);
JetScope jetScope = context.get(BindingContext.RESOLUTION_SCOPE, expression);
if (jetScope == null) {
return Collections.emptyList();
}
Set<FunctionDescriptor> result = Sets.newHashSet();
Collection<PsiMethod> topLevelFunctionPrototypes =
JetFromJavaDescriptorHelper.getTopLevelFunctionPrototypesByName(
referenceName.getName(), project, scope);
for (PsiMethod method : topLevelFunctionPrototypes) {
FqName functionFQN = JetFromJavaDescriptorHelper.getJetTopLevelDeclarationFQN(method);
if (functionFQN != null) {
JetImportDirective importDirective =
JetPsiFactory.createImportDirective(project, new ImportPath(functionFQN, false));
Collection<? extends DeclarationDescriptor> declarationDescriptors =
new QualifiedExpressionResolver()
.analyseImportReference(
importDirective,
jetScope,
new BindingTraceContext(),
resolveSession.getModuleConfiguration());
for (DeclarationDescriptor declarationDescriptor : declarationDescriptors) {
if (declarationDescriptor instanceof FunctionDescriptor) {
result.add((FunctionDescriptor) declarationDescriptor);
}
}
}
}
Set<FqName> affectedPackages = Sets.newHashSet();
Collection<JetNamedFunction> jetNamedFunctions =
JetShortFunctionNameIndex.getInstance().get(referenceName.getName(), project, scope);
for (JetNamedFunction jetNamedFunction : jetNamedFunctions) {
PsiFile containingFile = jetNamedFunction.getContainingFile();
if (containingFile instanceof JetFile) {
JetFile jetFile = (JetFile) containingFile;
String packageName = jetFile.getPackageName();
if (packageName != null) {
affectedPackages.add(new FqName(packageName));
}
}
}
for (FqName affectedPackage : affectedPackages) {
NamespaceDescriptor packageDescriptor =
resolveSession.getPackageDescriptorByFqName(affectedPackage);
assert packageDescriptor != null
: "There's a function in stub index with invalid package: " + affectedPackage;
JetScope memberScope = packageDescriptor.getMemberScope();
result.addAll(memberScope.getFunctions(referenceName));
}
return result;
}
@NotNull
@Override
public Collection<DeclarationDescriptor> getOwnDeclaredDescriptors() {
return Collections.emptyList();
}
@NotNull
@Override
public Collection<DeclarationDescriptor> getDeclarationsByLabel(LabelName labelName) {
return Collections.emptyList();
}
@NotNull
@Override
public List<ReceiverParameterDescriptor> getImplicitReceiversHierarchy() {
return Collections.emptyList();
}
public class ErrorUtils {
private static final ModuleDescriptor ERROR_MODULE =
new ModuleDescriptor(Name.special("<ERROR MODULE>"));
public static class ErrorScope implements JetScope {
private final String debugMessage;
private ErrorScope(String debugMessage) {
this.debugMessage = debugMessage;
}
@Override
public ClassifierDescriptor getClassifier(@NotNull Name name) {
return ERROR_CLASS;
}
@Override
public ClassDescriptor getObjectDescriptor(@NotNull Name name) {
return ERROR_CLASS;
}
@NotNull
@Override
public Set<ClassDescriptor> getObjectDescriptors() {
return Collections.emptySet();
}
@NotNull
@Override
public Set<VariableDescriptor> getProperties(@NotNull Name name) {
return ERROR_PROPERTY_GROUP;
}
@Override
public VariableDescriptor getLocalVariable(@NotNull Name name) {
return ERROR_PROPERTY;
}
@Override
public NamespaceDescriptor getNamespace(@NotNull Name name) {
return null; // TODO : review
}
@NotNull
@Override
public List<ReceiverParameterDescriptor> getImplicitReceiversHierarchy() {
return Collections.emptyList();
}
@NotNull
@Override
public Set<FunctionDescriptor> getFunctions(@NotNull Name name) {
return Collections.<FunctionDescriptor>singleton(createErrorFunction(this));
}
@NotNull
@Override
public DeclarationDescriptor getContainingDeclaration() {
return ERROR_MODULE;
}
@NotNull
@Override
public Collection<DeclarationDescriptor> getDeclarationsByLabel(LabelName labelName) {
return Collections.emptyList();
}
@Override
public PropertyDescriptor getPropertyByFieldReference(@NotNull Name fieldName) {
return null; // TODO : review
}
@NotNull
@Override
public Collection<DeclarationDescriptor> getAllDescriptors() {
return Collections.emptyList();
}
@NotNull
@Override
public Collection<DeclarationDescriptor> getOwnDeclaredDescriptors() {
return Collections.emptyList();
}
}
private static final ClassDescriptorImpl ERROR_CLASS =
new ClassDescriptorImpl(
ERROR_MODULE,
Collections.<AnnotationDescriptor>emptyList(),
Modality.OPEN,
Name.special("<ERROR CLASS>")) {
@NotNull
@Override
public Collection<ConstructorDescriptor> getConstructors() {
return ERROR_CONSTRUCTOR_GROUP;
}
@NotNull
@Override
public Modality getModality() {
return Modality.OPEN;
}
@NotNull
@Override
public ClassDescriptor substitute(@NotNull TypeSubstitutor substitutor) {
return ERROR_CLASS;
}
};
private static final Set<ConstructorDescriptor> ERROR_CONSTRUCTOR_GROUP =
Collections.singleton(createErrorConstructor(0, Collections.<JetType>emptyList()));
private static final ConstructorDescriptor ERROR_CONSTRUCTOR =
new ConstructorDescriptorImpl(
ERROR_CLASS, Collections.<AnnotationDescriptor>emptyList(), true);
static {
ERROR_CLASS.initialize(
true,
Collections.<TypeParameterDescriptor>emptyList(),
Collections.<JetType>emptyList(),
createErrorScope("ERROR_CLASS"),
ERROR_CONSTRUCTOR_GROUP,
ERROR_CONSTRUCTOR,
false);
}
public static JetScope createErrorScope(String debugMessage) {
return new ErrorScope(debugMessage);
}
private static final JetType ERROR_PROPERTY_TYPE = createErrorType("<ERROR PROPERTY TYPE>");
private static final VariableDescriptor ERROR_PROPERTY =
new PropertyDescriptorImpl(
ERROR_CLASS,
Collections.<AnnotationDescriptor>emptyList(),
Modality.OPEN,
Visibilities.INTERNAL,
true,
null,
ReceiverParameterDescriptor.NO_RECEIVER_PARAMETER,
Name.special("<ERROR PROPERTY>"),
ERROR_PROPERTY_TYPE,
CallableMemberDescriptor.Kind.DECLARATION);
private static final Set<VariableDescriptor> ERROR_PROPERTY_GROUP =
Collections.singleton(ERROR_PROPERTY);
private static SimpleFunctionDescriptor createErrorFunction(ErrorScope ownerScope) {
ErrorSimpleFunctionDescriptorImpl function = new ErrorSimpleFunctionDescriptorImpl(ownerScope);
function.initialize(
null,
ReceiverParameterDescriptor.NO_RECEIVER_PARAMETER,
Collections.<TypeParameterDescriptorImpl>emptyList(), // TODO
Collections.<ValueParameterDescriptor>emptyList(), // TODO
createErrorType("<ERROR FUNCTION RETURN TYPE>"),
Modality.OPEN,
Visibilities.INTERNAL,
/*isInline = */ false);
return function;
}
public static ConstructorDescriptor createErrorConstructor(
int typeParameterCount, List<JetType> positionedValueParameterTypes) {
ConstructorDescriptorImpl r =
new ConstructorDescriptorImpl(
ERROR_CLASS, Collections.<AnnotationDescriptor>emptyList(), false);
r.initialize(
Collections.<TypeParameterDescriptor>emptyList(), // TODO
Collections.<ValueParameterDescriptor>emptyList(), // TODO
Visibilities.INTERNAL);
r.setReturnType(createErrorType("<ERROR RETURN TYPE>"));
return r;
}
private static final JetType ERROR_PARAMETER_TYPE =
createErrorType("<ERROR VALUE_PARAMETER TYPE>");
private static List<ValueParameterDescriptor> getValueParameters(
FunctionDescriptor functionDescriptor, List<JetType> argumentTypes) {
List<ValueParameterDescriptor> result = new ArrayList<ValueParameterDescriptor>();
for (int i = 0, argumentTypesSize = argumentTypes.size(); i < argumentTypesSize; i++) {
result.add(
new ValueParameterDescriptorImpl(
functionDescriptor,
i,
Collections.<AnnotationDescriptor>emptyList(),
Name.special("<ERROR VALUE_PARAMETER>"),
ERROR_PARAMETER_TYPE,
false,
null));
}
return result;
}
@NotNull
public static JetType createErrorType(String debugMessage) {
return createErrorType(debugMessage, createErrorScope(debugMessage));
}
private static JetType createErrorType(String debugMessage, JetScope memberScope) {
return createErrorTypeWithCustomDebugName(memberScope, "[ERROR : " + debugMessage + "]");
}
@NotNull
public static JetType createErrorTypeWithCustomDebugName(String debugName) {
return createErrorTypeWithCustomDebugName(createErrorScope(debugName), debugName);
}
private static JetType createErrorTypeWithCustomDebugName(
JetScope memberScope, String debugName) {
return new ErrorTypeImpl(
new TypeConstructorImpl(
ERROR_CLASS,
Collections.<AnnotationDescriptor>emptyList(),
false,
debugName,
Collections.<TypeParameterDescriptorImpl>emptyList(),
Collections.singleton(KotlinBuiltIns.getInstance().getAnyType())),
memberScope);
}
public static JetType createWrongVarianceErrorType(TypeProjection value) {
return createErrorType(value + " is not allowed here", value.getType().getMemberScope());
}
public static ClassifierDescriptor getErrorClass() {
return ERROR_CLASS;
}
public static boolean isError(@NotNull TypeConstructor typeConstructor) {
return typeConstructor == ERROR_CLASS.getTypeConstructor();
}
public static boolean isErrorType(@NotNull JetType type) {
return type != TypeUtils.NO_EXPECTED_TYPE
&& !(type instanceof NamespaceType)
&& ((type instanceof DeferredType
&& (((DeferredType) type).getActualType() == null
|| isErrorType(((DeferredType) type).getActualType())))
|| type instanceof ErrorTypeImpl
|| isError(type.getConstructor()));
}
public static boolean containsErrorType(@Nullable JetType type) {
if (type == null) return false;
if (type instanceof NamespaceType) return false;
if (isErrorType(type)) return true;
for (TypeProjection projection : type.getArguments()) {
if (containsErrorType(projection.getType())) return true;
}
return false;
}
public static boolean isError(@NotNull DeclarationDescriptor candidate) {
return candidate == getErrorClass()
|| candidate.getContainingDeclaration() == getErrorClass()
|| candidate == ERROR_MODULE;
}
private static class ErrorTypeImpl implements JetType {
private final TypeConstructor constructor;
private final JetScope memberScope;
private ErrorTypeImpl(TypeConstructor constructor, JetScope memberScope) {
this.constructor = constructor;
this.memberScope = memberScope;
}
@NotNull
@Override
public TypeConstructor getConstructor() {
return constructor;
}
@NotNull
@Override
public List<TypeProjection> getArguments() {
return Collections.emptyList();
}
@Override
public boolean isNullable() {
return false;
}
@NotNull
@Override
public JetScope getMemberScope() {
return memberScope;
}
@Override
public List<AnnotationDescriptor> getAnnotations() {
return Collections.emptyList();
}
@Override
public String toString() {
return constructor.toString();
}
}
private ErrorUtils() {}
}
@NotNull
@Override
public List<TypeProjection> getArguments() {
return Collections.emptyList();
}