@Nullable
public static ReceiverParameterDescriptor getDispatchReceiverParameterIfNeeded(
@NotNull DeclarationDescriptor containingDeclaration) {
if (containingDeclaration instanceof ClassDescriptor) {
ClassDescriptor classDescriptor = (ClassDescriptor) containingDeclaration;
return classDescriptor.getThisAsReceiverParameter();
}
return null;
}
@NotNull
private static FunctionDescriptor standardFunction(
ClassDescriptor classDescriptor, String name, Project project, KotlinType... parameterTypes) {
ModuleDescriptorImpl emptyModule = KotlinTestUtils.createEmptyModule();
ContainerForTests container = InjectionKt.createContainerForTests(project, emptyModule);
emptyModule.setDependencies(emptyModule);
emptyModule.initialize(PackageFragmentProvider.Empty.INSTANCE);
LexicalScopeImpl lexicalScope =
new LexicalScopeImpl(
ImportingScope.Empty.INSTANCE,
classDescriptor,
false,
classDescriptor.getThisAsReceiverParameter(),
LexicalScopeKind.SYNTHETIC);
ExpressionTypingContext context =
ExpressionTypingContext.newContext(
new BindingTraceContext(),
lexicalScope,
DataFlowInfoFactory.EMPTY,
TypeUtils.NO_EXPECTED_TYPE);
OverloadResolutionResults<FunctionDescriptor> functions =
container
.getFakeCallResolver()
.resolveFakeCall(
context,
null,
Name.identifier(name),
null,
null,
FakeCallKind.OTHER,
parameterTypes);
for (ResolvedCall<? extends FunctionDescriptor> resolvedCall : functions.getResultingCalls()) {
List<ValueParameterDescriptor> unsubstitutedValueParameters =
resolvedCall.getResultingDescriptor().getValueParameters();
for (int i = 0, unsubstitutedValueParametersSize = unsubstitutedValueParameters.size();
i < unsubstitutedValueParametersSize;
i++) {
ValueParameterDescriptor unsubstitutedValueParameter = unsubstitutedValueParameters.get(i);
if (unsubstitutedValueParameter.getType().equals(parameterTypes[i])) {
return resolvedCall.getResultingDescriptor();
}
}
}
throw new IllegalArgumentException(
"Not found: kotlin::"
+ classDescriptor.getName()
+ "."
+ name
+ "("
+ Arrays.toString(parameterTypes)
+ ")");
}