@NotNull
private VarargCheckResult checkVarargInSuperFunctions(
@NotNull ValueParameterDescriptor originalParam) {
boolean someSupersVararg = false;
boolean someSupersNotVararg = false;
for (FunctionDescriptor superFunction : superFunctions) {
if (superFunction.getValueParameters().get(originalParam.getIndex()).getVarargElementType()
!= null) {
someSupersVararg = true;
} else {
someSupersNotVararg = true;
}
}
JetType originalVarargElementType = originalParam.getVarargElementType();
JetType originalType = originalParam.getType();
if (someSupersVararg && someSupersNotVararg) {
reportError("Incompatible super methods: some have vararg parameter, some have not");
return new VarargCheckResult(originalType, originalVarargElementType != null);
}
KotlinBuiltIns builtIns = KotlinBuiltIns.getInstance();
if (someSupersVararg && originalVarargElementType == null) {
// convert to vararg
assert isArrayType(originalType);
if (builtIns.isPrimitiveArray(originalType)) {
// replace IntArray? with IntArray
return new VarargCheckResult(TypeUtils.makeNotNullable(originalType), true);
}
// replace Array<out Foo>? with Array<Foo>
JetType varargElementType = builtIns.getArrayElementType(originalType);
return new VarargCheckResult(builtIns.getArrayType(INVARIANT, varargElementType), true);
} else if (someSupersNotVararg && originalVarargElementType != null) {
// convert to non-vararg
assert isArrayType(originalType);
if (builtIns.isPrimitiveArray(originalType)) {
// replace IntArray with IntArray?
return new VarargCheckResult(TypeUtils.makeNullable(originalType), false);
}
// replace Array<Foo> with Array<out Foo>?
return new VarargCheckResult(
TypeUtils.makeNullable(
builtIns.getArrayType(Variance.OUT_VARIANCE, originalVarargElementType)),
false);
}
return new VarargCheckResult(originalType, originalVarargElementType != null);
}
private void checkParameterAndReturnTypesForOverridingMethods(
@NotNull List<ValueParameterDescriptor> valueParameters,
@NotNull List<TypeParameterDescriptor> methodTypeParameters,
@Nullable JetType returnType) {
TypeSubstitutor substitutor =
DescriptorResolverUtils.createSubstitutorForTypeParameters(originalToAltTypeParameters);
for (ValueParameterDescriptor parameter : valueParameters) {
int index = parameter.getIndex();
ValueParameterDescriptor altParameter = altValueParameters.get(index);
JetType substituted = substitutor.substitute(parameter.getType(), Variance.INVARIANT);
assert substituted != null;
if (!TypeUtils.equalTypes(substituted, altParameter.getType())) {
throw new AlternativeSignatureMismatchException(
"Parameter type changed for method which overrides another: "
+ altParameter.getType()
+ ", was: "
+ parameter.getType());
}
}
// don't check receiver
for (TypeParameterDescriptor parameter : methodTypeParameters) {
int index = parameter.getIndex();
JetType substituted =
substitutor.substitute(parameter.getUpperBoundsAsType(), Variance.INVARIANT);
assert substituted != null;
if (!TypeUtils.equalTypes(substituted, altTypeParameters.get(index).getUpperBoundsAsType())) {
throw new AlternativeSignatureMismatchException(
"Type parameter's upper bound changed for method which overrides another: "
+ altTypeParameters.get(index).getUpperBoundsAsType()
+ ", was: "
+ parameter.getUpperBoundsAsType());
}
}
if (returnType != null) {
JetType substitutedReturnType = substitutor.substitute(returnType, Variance.INVARIANT);
assert substitutedReturnType != null;
if (!JetTypeChecker.INSTANCE.isSubtypeOf(altReturnType, substitutedReturnType)) {
throw new AlternativeSignatureMismatchException(
"Return type is changed to not subtype for method which overrides another: "
+ altReturnType
+ ", was: "
+ returnType);
}
}
}
@NotNull
public TypeReconstructionResult reconstruct(@NotNull JetType subjectType) {
if (!isBare()) return new TypeReconstructionResult(getActualType(), true);
TypeReconstructionResult reconstructionResult =
CastDiagnosticsUtil.findStaticallyKnownSubtype(
TypeUtils.makeNotNullable(subjectType), getBareTypeConstructor());
JetType type = reconstructionResult.getResultingType();
// No need to make an absent type nullable
if (type == null) return reconstructionResult;
JetType resultingType = TypeUtils.makeNullableAsSpecified(type, isBareTypeNullable());
return new TypeReconstructionResult(
resultingType, reconstructionResult.isAllArgumentsInferred());
}
@NotNull
private static Multimap<FqName, Pair<FunctionDescriptor, PsiMethod>>
getSuperclassToFunctionsMultimap(
@NotNull PsiMethodWrapper method,
@NotNull BindingContext bindingContext,
@NotNull ClassDescriptor containingClass) {
Multimap<FqName, Pair<FunctionDescriptor, PsiMethod>> result = HashMultimap.create();
Name functionName = Name.identifier(method.getName());
int parameterCount = method.getParameters().size();
for (JetType supertype : TypeUtils.getAllSupertypes(containingClass.getDefaultType())) {
ClassifierDescriptor klass = supertype.getConstructor().getDeclarationDescriptor();
assert klass != null;
FqName fqName = DescriptorUtils.getFQName(klass).toSafe();
for (FunctionDescriptor fun :
klass.getDefaultType().getMemberScope().getFunctions(functionName)) {
if (fun.getKind().isReal() && fun.getValueParameters().size() == parameterCount) {
PsiElement declaration = BindingContextUtils.descriptorToDeclaration(bindingContext, fun);
if (declaration instanceof PsiMethod) {
result.put(fqName, Pair.create(fun, (PsiMethod) declaration));
} // else declaration is null or JetNamedFunction: both cases are processed later
}
}
}
return result;
}
public void addSupertype(@NotNull JetType supertype) {
assert !supertype.isError() : "Error types must be filtered out in DescriptorResolver";
if (TypeUtils.getClassDescriptor(supertype) != null) {
// See the Errors.SUPERTYPE_NOT_A_CLASS_OR_TRAIT
supertypes.add(supertype);
}
}
// allowedFinalSupertypes typically contains a enum type of which supertypeOwner is an entry
private void checkSupertypeList(
@NotNull MutableClassDescriptor supertypeOwner,
@NotNull Map<JetTypeReference, JetType> supertypes,
Set<TypeConstructor> allowedFinalSupertypes) {
Set<TypeConstructor> typeConstructors = Sets.newHashSet();
boolean classAppeared = false;
for (Map.Entry<JetTypeReference, JetType> entry : supertypes.entrySet()) {
JetTypeReference typeReference = entry.getKey();
JetType supertype = entry.getValue();
ClassDescriptor classDescriptor = TypeUtils.getClassDescriptor(supertype);
if (classDescriptor != null) {
if (classDescriptor.getKind() != ClassKind.TRAIT) {
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 (!typeConstructors.add(constructor)) {
trace.report(SUPERTYPE_APPEARS_TWICE.on(typeReference));
}
if (constructor.isSealed() && !allowedFinalSupertypes.contains(constructor)) {
trace.report(FINAL_SUPERTYPE.on(typeReference));
}
}
}
@Override
public void visitTypeVariable(String name, boolean nullable) {
JetType r =
TypeUtils.makeNullableAsSpecified(
typeVariableResolver.getTypeVariable(name).getDefaultType(), nullable);
done(r);
}
// Returns list with type arguments info from supertypes
// Example:
// - Foo<A, B> is a subtype of Bar<A, List<B>>, Baz<Boolean, A>
// - input: klass = Foo, typesFromSuper = [Bar<String, List<Int>>, Baz<Boolean, CharSequence>]
// - output[0] = [String, CharSequence], output[1] = []
private static List<List<TypeProjectionAndVariance>> calculateTypeArgumentsFromSuper(
@NotNull ClassDescriptor klass, @NotNull Collection<TypeAndVariance> typesFromSuper) {
// For each superclass of klass and its parameters, hold their mapping to klass' parameters
// #0 of Bar -> A
// #1 of Bar -> List<B>
// #0 of Baz -> Boolean
// #1 of Baz -> A
// #0 of Foo -> A (mapped to itself)
// #1 of Foo -> B (mapped to itself)
Multimap<TypeConstructor, TypeProjection> substitution =
SubstitutionUtils.buildDeepSubstitutionMultimap(
TypeUtils.makeUnsubstitutedType(klass, JetScope.EMPTY));
// for each parameter of klass, hold arguments in corresponding supertypes
List<List<TypeProjectionAndVariance>> parameterToArgumentsFromSuper = Lists.newArrayList();
for (TypeParameterDescriptor ignored : klass.getTypeConstructor().getParameters()) {
parameterToArgumentsFromSuper.add(new ArrayList<TypeProjectionAndVariance>());
}
// Enumerate all types from super and all its parameters
for (TypeAndVariance typeFromSuper : typesFromSuper) {
for (TypeParameterDescriptor parameter :
typeFromSuper.type.getConstructor().getParameters()) {
TypeProjection argument = typeFromSuper.type.getArguments().get(parameter.getIndex());
// for given example, this block is executed four times:
// 1. typeFromSuper = Bar<String, List<Int>>, parameter = "#0 of Bar", argument =
// String
// 2. typeFromSuper = Bar<String, List<Int>>, parameter = "#1 of Bar", argument =
// List<Int>
// 3. typeFromSuper = Baz<Boolean, CharSequence>, parameter = "#0 of Baz", argument =
// Boolean
// 4. typeFromSuper = Baz<Boolean, CharSequence>, parameter = "#1 of Baz", argument =
// CharSequence
// if it is mapped to klass' parameter, then store it into map
for (TypeProjection projection : substitution.get(parameter.getTypeConstructor())) {
// 1. projection = A
// 2. projection = List<B>
// 3. projection = Boolean
// 4. projection = A
ClassifierDescriptor classifier =
projection.getType().getConstructor().getDeclarationDescriptor();
// this condition is true for 1 and 4, false for 2 and 3
if (classifier instanceof TypeParameterDescriptor
&& classifier.getContainingDeclaration() == klass) {
int parameterIndex = ((TypeParameterDescriptor) classifier).getIndex();
Variance effectiveVariance =
parameter.getVariance().superpose(typeFromSuper.varianceOfPosition);
parameterToArgumentsFromSuper
.get(parameterIndex)
.add(new TypeProjectionAndVariance(argument, effectiveVariance));
}
}
}
}
return parameterToArgumentsFromSuper;
}
@NotNull
public TypeInfoForCall getQualifiedExpressionExtendedTypeInfo(
@NotNull JetQualifiedExpression expression,
@NotNull ResolutionContext context,
@NotNull ResolveMode resolveMode) {
// TODO : functions as values
JetExpression selectorExpression = expression.getSelectorExpression();
JetExpression receiverExpression = expression.getReceiverExpression();
JetTypeInfo receiverTypeInfo =
expressionTypingServices.getTypeInfoWithNamespaces(
receiverExpression,
context.scope,
NO_EXPECTED_TYPE,
context.dataFlowInfo,
context.trace);
JetType receiverType = receiverTypeInfo.getType();
if (selectorExpression == null) return TypeInfoForCall.create(null, context.dataFlowInfo);
if (receiverType == null)
receiverType = ErrorUtils.createErrorType("Type for " + expression.getText());
context = context.replaceDataFlowInfo(receiverTypeInfo.getDataFlowInfo());
if (selectorExpression instanceof JetSimpleNameExpression) {
ConstantUtils.propagateConstantValues(
expression, context.trace, (JetSimpleNameExpression) selectorExpression);
}
TypeInfoForCall selectorReturnTypeInfo =
getSelectorReturnTypeInfo(
new ExpressionReceiver(receiverExpression, receiverType),
expression.getOperationTokenNode(),
selectorExpression,
context,
resolveMode);
JetType selectorReturnType = selectorReturnTypeInfo.getType();
// TODO move further
if (!(receiverType instanceof NamespaceType)
&& expression.getOperationSign() == JetTokens.SAFE_ACCESS) {
if (selectorReturnType != null
&& !selectorReturnType.isNullable()
&& !KotlinBuiltIns.getInstance().isUnit(selectorReturnType)) {
if (receiverType.isNullable()) {
selectorReturnType = TypeUtils.makeNullable(selectorReturnType);
}
}
}
// TODO : this is suspicious: remove this code?
if (selectorReturnType != null) {
context.trace.record(BindingContext.EXPRESSION_TYPE, selectorExpression, selectorReturnType);
}
JetTypeInfo typeInfo =
JetTypeInfo.create(selectorReturnType, selectorReturnTypeInfo.getDataFlowInfo());
if (resolveMode == ResolveMode.TOP_LEVEL_CALL) {
DataFlowUtils.checkType(typeInfo.getType(), expression, context, typeInfo.getDataFlowInfo());
}
return TypeInfoForCall.create(typeInfo, selectorReturnTypeInfo);
}
private static void addForClassType(
ArrayList<String> result, JetType jetType, JetNameValidator validator) {
ClassDescriptor classDescriptor = TypeUtils.getClassDescriptor(jetType);
if (classDescriptor != null) {
Name className = classDescriptor.getName();
addCamelNames(result, className.getName(), validator);
}
}
@NotNull
private JetType computeUpperBoundsAsType() {
Set<JetType> upperBounds = getUpperBounds();
assert !upperBounds.isEmpty() : "Upper bound list is empty in " + getName();
JetType upperBoundsAsType = TypeUtils.intersect(JetTypeChecker.DEFAULT, upperBounds);
return upperBoundsAsType != null
? upperBoundsAsType
: KotlinBuiltIns.getInstance().getNothingType();
}
private void assertSupertypes(String typeStr, String... supertypeStrs) {
Set<JetType> allSupertypes = TypeUtils.getAllSupertypes(makeType(scopeWithImports, typeStr));
Set<JetType> expected = Sets.newHashSet();
for (String supertypeStr : supertypeStrs) {
JetType supertype = makeType(scopeWithImports, supertypeStr);
expected.add(supertype);
}
assertEquals(expected, allSupertypes);
}
private void assertIntersection(String expected, String... types) {
Set<JetType> typesToIntersect = new LinkedHashSet<JetType>();
for (String type : types) {
typesToIntersect.add(makeType(type));
}
JetType result = TypeUtils.intersect(JetTypeChecker.INSTANCE, typesToIntersect);
// assertNotNull("Intersection is null for " + typesToIntersect, result);
assertEquals(makeType(expected), result);
}
private static Map<ClassDescriptor, JetType> getSuperclassToSupertypeMap(
ClassDescriptor containingClass) {
Map<ClassDescriptor, JetType> superclassToSupertype = Maps.newHashMap();
for (JetType supertype : TypeUtils.getAllSupertypes(containingClass.getDefaultType())) {
ClassifierDescriptor superclass = supertype.getConstructor().getDeclarationDescriptor();
assert superclass instanceof ClassDescriptor;
superclassToSupertype.put((ClassDescriptor) superclass, supertype);
}
return superclassToSupertype;
}
/*
* Checks if receiver declaration could be resolved to call expected receiver.
*/
public static boolean checkIsExtensionCallable(
@NotNull ReceiverDescriptor expectedReceiver, @NotNull CallableDescriptor receiverArgument) {
JetType type = expectedReceiver.getType();
if (checkReceiverResolution(expectedReceiver, type, receiverArgument)) return true;
if (type.isNullable()) {
JetType notNullableType = TypeUtils.makeNotNullable(type);
if (checkReceiverResolution(expectedReceiver, notNullableType, receiverArgument)) return true;
}
return false;
}
@Override
public void invoke(@NotNull Project project, Editor editor, PsiFile file)
throws IncorrectOperationException {
assert element.getTypeArguments().isEmpty();
String typeString =
TypeUtils.getTypeNameAndStarProjectionsString(element.getText(), argumentCount);
JetTypeElement replacement = JetPsiFactory.createType(project, typeString).getTypeElement();
assert replacement != null : "No type element after parsing " + typeString;
element.replace(replacement);
}
@Override
public JetType getClassObjectType() {
checkInitialized();
if (classObjectUpperBounds.isEmpty()) return null;
if (classObjectBoundsAsType == null) {
classObjectBoundsAsType =
TypeUtils.intersect(JetTypeChecker.INSTANCE, classObjectUpperBounds);
if (classObjectBoundsAsType == null) {
classObjectBoundsAsType = KotlinBuiltIns.getInstance().getNothingType();
}
}
return classObjectBoundsAsType;
}
@Override
@NotNull
public JetType getUpperBoundsAsType() {
checkInitialized();
if (upperBoundsAsType == null) {
assert upperBounds != null : "Upper bound list is null in " + getName();
assert upperBounds.size() > 0 : "Upper bound list is empty in " + getName();
upperBoundsAsType = TypeUtils.intersect(JetTypeChecker.INSTANCE, upperBounds);
if (upperBoundsAsType == null) {
upperBoundsAsType = KotlinBuiltIns.getInstance().getNothingType();
}
}
return upperBoundsAsType;
}
@Nullable
private JetType checkAssignmentType(
@Nullable JetType assignmentType,
@NotNull JetBinaryExpression expression,
@NotNull ExpressionTypingContext context) {
if (assignmentType != null
&& !KotlinBuiltIns.getInstance().isUnit(assignmentType)
&& context.expectedType != TypeUtils.NO_EXPECTED_TYPE
&& TypeUtils.equalTypes(context.expectedType, assignmentType)) {
context.trace.report(Errors.ASSIGNMENT_TYPE_MISMATCH.on(expression, context.expectedType));
return null;
}
return DataFlowUtils.checkStatementType(expression, context);
}
@NotNull
private static JetType getFunctionTypeForSamType(@NotNull JetType samType) {
FunctionDescriptor function = getAbstractMethodOfSamType(samType);
JetType returnType = function.getReturnType();
assert returnType != null : "function is not initialized: " + function;
List<JetType> parameterTypes = Lists.newArrayList();
for (ValueParameterDescriptor parameter : function.getValueParameters()) {
parameterTypes.add(parameter.getType());
}
JetType functionType =
KotlinBuiltIns.getInstance()
.getFunctionType(
Collections.<AnnotationDescriptor>emptyList(), null, parameterTypes, returnType);
return TypeUtils.makeNullableAsSpecified(functionType, samType.isNullable());
}
/**
* Add import directive corresponding to a type to file when it is needed.
*
* @param type type to import
* @param file file where import directive should be added
*/
public static void addImportDirectivesIfNeeded(@NotNull JetType type, @NotNull JetFile file) {
if (JetPluginUtil.checkTypeIsStandard(type, file.getProject())
|| ErrorUtils.isErrorType(type)) {
return;
}
BindingContext bindingContext = getContextForSingleFile(file);
PsiElement element =
BindingContextUtils.descriptorToDeclaration(
bindingContext, type.getMemberScope().getContainingDeclaration());
if (element != null
&& element.getContainingFile()
== file) { // declaration is in the same file, so no import is needed
return;
}
for (ClassDescriptor clazz : TypeUtils.getAllClassDescriptors(type)) {
addImportDirective(DescriptorUtils.getFQName(getTopLevelClass(clazz)).toSafe(), file);
}
}
@Nullable
private static String getMessageFromAnnotationDescriptor(
@NotNull AnnotationDescriptor descriptor) {
ClassDescriptor classDescriptor = TypeUtils.getClassDescriptor(descriptor.getType());
if (classDescriptor != null) {
ValueParameterDescriptor parameter =
DescriptorResolverUtils.getAnnotationParameterByName(
DEFAULT_ANNOTATION_MEMBER_NAME, classDescriptor);
if (parameter != null) {
CompileTimeConstant<?> valueArgument = descriptor.getValueArgument(parameter);
if (valueArgument != null) {
Object value = valueArgument.getValue();
if (value instanceof String) {
return String.valueOf(value);
}
}
}
}
return null;
}
@NotNull
@Override
public JetType getDefaultType() {
// checkInitialized();
if (defaultType == null) {
defaultType =
new JetTypeImpl(
Collections.<AnnotationDescriptor>emptyList(),
getTypeConstructor(),
TypeUtils.hasNullableLowerBound(this),
Collections.<TypeProjection>emptyList(),
new LazyScopeAdapter(
new RecursionIntolerantLazyValue<JetScope>() {
@Override
protected JetScope compute() {
return getUpperBoundsAsType().getMemberScope();
}
}));
}
return defaultType;
}
private void transformSupertypeList(
List<JetType> result,
PsiClassType[] extendsListTypes,
TypeVariableResolver typeVariableResolver) {
for (PsiClassType type : extendsListTypes) {
PsiClass resolved = type.resolve();
if (resolved != null) {
String qualifiedName = resolved.getQualifiedName();
assert qualifiedName != null;
if (JvmStdlibNames.JET_OBJECT.getFqName().equalsTo(qualifiedName)) {
continue;
}
}
JetType transform =
typeTransformer.transformToType(type, TypeUsage.SUPERTYPE, typeVariableResolver);
if (ErrorUtils.isErrorType(transform)) {
continue;
}
result.add(TypeUtils.makeNotNullable(transform));
}
}
private void addConstraint(
@NotNull ConstraintKind constraintKind,
@NotNull JetType subjectType,
@Nullable JetType constrainingType,
@NotNull ConstraintPosition constraintPosition) {
if (constrainingType == TypeUtils.NO_EXPECTED_TYPE
|| constrainingType == DONT_CARE
|| constrainingType == CANT_INFER) {
return;
}
if (constrainingType == null
|| (ErrorUtils.isErrorType(constrainingType)
&& constrainingType != PLACEHOLDER_FUNCTION_TYPE)) {
hasErrorInConstrainingTypes = true;
return;
}
assert subjectType != TypeUtils.NO_EXPECTED_TYPE
: "Subject type shouldn't be NO_EXPECTED_TYPE (in position " + constraintPosition + " )";
if (ErrorUtils.isErrorType(subjectType)) return;
DeclarationDescriptor subjectTypeDescriptor =
subjectType.getConstructor().getDeclarationDescriptor();
KotlinBuiltIns kotlinBuiltIns = KotlinBuiltIns.getInstance();
if (constrainingType == PLACEHOLDER_FUNCTION_TYPE) {
if (!kotlinBuiltIns.isFunctionOrExtensionFunctionType(subjectType)) {
if (subjectTypeDescriptor instanceof TypeParameterDescriptor
&& typeParameterConstraints.get(subjectTypeDescriptor) != null) {
// a constraint binds type parameter and any function type, so there is no new info and no
// error
return;
}
errorConstraintPositions.add(constraintPosition);
}
return;
}
// todo temporary hack
// function literal without declaring receiver type { x -> ... }
// can be considered as extension function if one is expected
// (special type constructor for function/ extension function should be introduced like
// PLACEHOLDER_FUNCTION_TYPE)
if (constraintKind == SUB_TYPE
&& kotlinBuiltIns.isFunctionType(constrainingType)
&& kotlinBuiltIns.isExtensionFunctionType(subjectType)) {
constrainingType = createCorrespondingExtensionFunctionType(constrainingType, DONT_CARE);
}
DeclarationDescriptor constrainingTypeDescriptor =
constrainingType.getConstructor().getDeclarationDescriptor();
if (subjectTypeDescriptor instanceof TypeParameterDescriptor) {
TypeParameterDescriptor typeParameter = (TypeParameterDescriptor) subjectTypeDescriptor;
TypeConstraintsImpl typeConstraints = typeParameterConstraints.get(typeParameter);
if (typeConstraints != null) {
if (TypeUtils.dependsOnTypeParameterConstructors(
constrainingType, Collections.singleton(DONT_CARE.getConstructor()))) {
return;
}
if (subjectType.isNullable() && constrainingType.isNullable()) {
constrainingType = TypeUtils.makeNotNullable(constrainingType);
}
typeConstraints.addBound(constraintKind, constrainingType);
return;
}
}
if (constrainingTypeDescriptor instanceof TypeParameterDescriptor) {
assert typeParameterConstraints.get(constrainingTypeDescriptor) == null
: "Constraining type contains type variable " + constrainingTypeDescriptor.getName();
}
if (constraintKind == SUB_TYPE && kotlinBuiltIns.isNothingOrNullableNothing(constrainingType)) {
// following constraints are always true:
// 'Nothing' is a subtype of any type
if (!constrainingType.isNullable()) return;
// 'Nothing?' is a subtype of nullable type
if (subjectType.isNullable()) return;
}
if (!(constrainingTypeDescriptor instanceof ClassDescriptor)
|| !(subjectTypeDescriptor instanceof ClassDescriptor)) {
errorConstraintPositions.add(constraintPosition);
return;
}
switch (constraintKind) {
case SUB_TYPE:
{
if (kotlinBuiltIns.isNothingOrNullableNothing(constrainingType)) break;
JetType correspondingSupertype =
TypeCheckingProcedure.findCorrespondingSupertype(constrainingType, subjectType);
if (correspondingSupertype != null) {
constrainingType = correspondingSupertype;
}
break;
}
case SUPER_TYPE:
{
if (kotlinBuiltIns.isNothingOrNullableNothing(subjectType)) break;
JetType correspondingSupertype =
TypeCheckingProcedure.findCorrespondingSupertype(subjectType, constrainingType);
if (correspondingSupertype != null) {
subjectType = correspondingSupertype;
}
}
case EQUAL: // nothing
}
if (constrainingType.getConstructor() != subjectType.getConstructor()) {
errorConstraintPositions.add(constraintPosition);
return;
}
TypeConstructor typeConstructor = subjectType.getConstructor();
List<TypeProjection> subjectArguments = subjectType.getArguments();
List<TypeProjection> constrainingArguments = constrainingType.getArguments();
List<TypeParameterDescriptor> parameters = typeConstructor.getParameters();
for (int i = 0; i < subjectArguments.size(); i++) {
Variance typeParameterVariance = parameters.get(i).getVariance();
TypeProjection subjectArgument = subjectArguments.get(i);
TypeProjection constrainingArgument = constrainingArguments.get(i);
ConstraintKind typeParameterConstraintKind =
getTypeParameterConstraintKind(
typeParameterVariance, subjectArgument, constrainingArgument, constraintKind);
addConstraint(
typeParameterConstraintKind,
subjectArgument.getType(),
constrainingArgument.getType(),
constraintPosition);
}
}
public PossiblyBareType makeNullable() {
if (isBare()) {
return isBareTypeNullable() ? this : bare(getBareTypeConstructor(), true);
}
return type(TypeUtils.makeNullable(getActualType()));
}
@NotNull
@Override
public String getText() {
return JetBundle.message(
"add.star.projections", TypeUtils.getTypeNameAndStarProjectionsString("", argumentCount));
}
private static void addNamesForType(
ArrayList<String> result, JetType jetType, JetNameValidator validator) {
JetStandardLibrary standardLibrary = JetStandardLibrary.getInstance();
JetTypeChecker typeChecker = JetTypeChecker.INSTANCE;
if (ErrorUtils.containsErrorType(jetType)) return;
if (typeChecker.equalTypes(standardLibrary.getBooleanType(), jetType)) {
addName(result, "b", validator);
} else if (typeChecker.equalTypes(standardLibrary.getIntType(), jetType)) {
addName(result, "i", validator);
} else if (typeChecker.equalTypes(standardLibrary.getByteType(), jetType)) {
addName(result, "byte", validator);
} else if (typeChecker.equalTypes(standardLibrary.getLongType(), jetType)) {
addName(result, "l", validator);
} else if (typeChecker.equalTypes(standardLibrary.getFloatType(), jetType)) {
addName(result, "fl", validator);
} else if (typeChecker.equalTypes(standardLibrary.getDoubleType(), jetType)) {
addName(result, "d", validator);
} else if (typeChecker.equalTypes(standardLibrary.getShortType(), jetType)) {
addName(result, "sh", validator);
} else if (typeChecker.equalTypes(standardLibrary.getCharType(), jetType)) {
addName(result, "c", validator);
} else if (typeChecker.equalTypes(standardLibrary.getStringType(), jetType)) {
addName(result, "s", validator);
} else {
if (jetType.getArguments().size() == 1) {
JetType argument = jetType.getArguments().get(0).getType();
if (typeChecker.equalTypes(standardLibrary.getArrayType(argument), jetType)) {
if (typeChecker.equalTypes(standardLibrary.getBooleanType(), argument)) {
addName(result, "booleans", validator);
} else if (typeChecker.equalTypes(standardLibrary.getIntType(), argument)) {
addName(result, "ints", validator);
} else if (typeChecker.equalTypes(standardLibrary.getByteType(), argument)) {
addName(result, "bytes", validator);
} else if (typeChecker.equalTypes(standardLibrary.getLongType(), argument)) {
addName(result, "longs", validator);
} else if (typeChecker.equalTypes(standardLibrary.getFloatType(), argument)) {
addName(result, "floats", validator);
} else if (typeChecker.equalTypes(standardLibrary.getDoubleType(), argument)) {
addName(result, "doubles", validator);
} else if (typeChecker.equalTypes(standardLibrary.getShortType(), argument)) {
addName(result, "shorts", validator);
} else if (typeChecker.equalTypes(standardLibrary.getCharType(), argument)) {
addName(result, "chars", validator);
} else if (typeChecker.equalTypes(standardLibrary.getStringType(), argument)) {
addName(result, "strings", validator);
} else {
ClassDescriptor classDescriptor = TypeUtils.getClassDescriptor(argument);
if (classDescriptor != null) {
Name className = classDescriptor.getName();
addName(
result, "arrayOf" + StringUtil.capitalize(className.getName()) + "s", validator);
}
}
} else {
addForClassType(result, jetType, validator);
}
} else {
addForClassType(result, jetType, validator);
}
}
}
@Override
public boolean apply(JetType type) {
assert !type.isError() : "Error types must be filtered out in DescriptorResolver";
return TypeUtils.getClassDescriptor(type) != null;
}
@Override
public boolean apply(JetType type) {
return !ErrorUtils.isErrorType(type) && (TypeUtils.getClassDescriptor(type) != null);
}