@NotNull
private String renderDefaultType(@NotNull JetType type) {
StringBuilder sb = new StringBuilder();
sb.append(renderTypeName(type.getConstructor()));
if (!type.getArguments().isEmpty()) {
sb.append("<");
appendTypeProjections(type.getArguments(), sb);
sb.append(">");
}
if (type.isNullable()) {
sb.append("?");
}
return sb.toString();
}
public static boolean containsErrorType(@Nullable JetType type) {
if (type == null) return false;
if (type.isError()) return true;
for (TypeProjection projection : type.getArguments()) {
if (containsErrorType(projection.getType())) return true;
}
return false;
}
public static FunctionDescriptor getInvokeFunction(@NotNull JetType functionType) {
assert KotlinBuiltIns.getInstance().isFunctionOrExtensionFunctionType(functionType);
ClassifierDescriptor classDescriptorForFunction =
functionType.getConstructor().getDeclarationDescriptor();
assert classDescriptorForFunction instanceof ClassDescriptor;
Collection<FunctionDescriptor> invokeFunctions =
((ClassDescriptor) classDescriptorForFunction)
.getMemberScope(functionType.getArguments())
.getFunctions(Name.identifier("invoke"));
assert invokeFunctions.size() == 1;
return invokeFunctions.iterator().next();
}
@NotNull
private List<TypeProjection> getTypeArgsOfType(
@NotNull JetType autoType,
@NotNull ClassifierDescriptor classifier,
@NotNull List<TypeAndVariance> typesFromSuper) {
List<TypeProjection> autoArguments = autoType.getArguments();
if (!(classifier instanceof ClassDescriptor)) {
assert autoArguments.isEmpty()
: "Unexpected type arguments when type constructor is not ClassDescriptor, type = "
+ autoType;
return autoArguments;
}
List<List<TypeProjectionAndVariance>> typeArgumentsFromSuper =
calculateTypeArgumentsFromSuper((ClassDescriptor) classifier, typesFromSuper);
// Modify type arguments using info from typesFromSuper
List<TypeProjection> resultArguments = Lists.newArrayList();
for (TypeParameterDescriptor parameter : classifier.getTypeConstructor().getParameters()) {
TypeProjection argument = autoArguments.get(parameter.getIndex());
JetType argumentType = argument.getType();
List<TypeProjectionAndVariance> projectionsFromSuper =
typeArgumentsFromSuper.get(parameter.getIndex());
List<TypeAndVariance> argTypesFromSuper = getTypes(projectionsFromSuper);
JetType type =
modifyTypeAccordingToSuperMethods(argumentType, argTypesFromSuper, TYPE_ARGUMENT);
Variance projectionKind =
calculateArgumentProjectionKindFromSuper(argument, projectionsFromSuper);
resultArguments.add(new TypeProjection(projectionKind, type));
}
return resultArguments;
}