private JavaDescriptorResolver.ValueParameterDescriptors
modifyValueParametersAccordingToSuperMethods(
@NotNull
JavaDescriptorResolver.ValueParameterDescriptors
parameters // descriptors built by parameters resolver
) {
// we are not processing receiver type specifically:
// if this function comes from Kotlin, then we don't need to do it, if it doesn't, then it can't
// have receiver
List<ValueParameterDescriptor> resultParameters = Lists.newArrayList();
for (ValueParameterDescriptor originalParam : parameters.getDescriptors()) {
final int index = originalParam.getIndex();
List<TypeAndVariance> typesFromSuperMethods =
ContainerUtil.map(
superFunctions,
new Function<FunctionDescriptor, TypeAndVariance>() {
@Override
public TypeAndVariance fun(FunctionDescriptor superFunction) {
return new TypeAndVariance(
superFunction.getValueParameters().get(index).getType(), INVARIANT);
}
});
VarargCheckResult varargCheckResult = checkVarargInSuperFunctions(originalParam);
JetType altType =
modifyTypeAccordingToSuperMethods(
varargCheckResult.parameterType,
typesFromSuperMethods,
MEMBER_SIGNATURE_CONTRAVARIANT);
resultParameters.add(
new ValueParameterDescriptorImpl(
originalParam.getContainingDeclaration(),
index,
originalParam.getAnnotations(),
originalParam.getName(),
altType,
originalParam.declaresDefaultValue(),
varargCheckResult.isVararg
? KotlinBuiltIns.getInstance().getArrayElementType(altType)
: null));
}
JetType originalReceiverType = parameters.getReceiverType();
if (originalReceiverType != null) {
JetType substituted =
SignaturesUtil.createSubstitutorForFunctionTypeParameters(autoTypeParameterToModified)
.substitute(originalReceiverType, INVARIANT);
assert substituted != null;
return new JavaDescriptorResolver.ValueParameterDescriptors(substituted, resultParameters);
} else {
return new JavaDescriptorResolver.ValueParameterDescriptors(null, resultParameters);
}
}
public SignaturesPropagationData(
@NotNull ClassDescriptor containingClass,
@NotNull
JetType
autoReturnType, // type built by JavaTypeTransformer from Java signature and @NotNull
// annotations
@NotNull
JavaDescriptorResolver.ValueParameterDescriptors
autoValueParameters, // descriptors built by parameters resolver
@NotNull
List<TypeParameterDescriptor>
autoTypeParameters, // descriptors built by signature resolver
@NotNull PsiMethodWrapper method,
@NotNull BindingTrace trace) {
this.containingClass = containingClass;
superFunctions = getSuperFunctionsForMethod(method, trace, containingClass);
autoTypeParameterToModified =
SignaturesUtil.recreateTypeParametersAndReturnMapping(autoTypeParameters);
modifiedTypeParameters = modifyTypeParametersAccordingToSuperMethods(autoTypeParameters);
modifiedReturnType = modifyReturnTypeAccordingToSuperMethods(autoReturnType);
modifiedValueParameters = modifyValueParametersAccordingToSuperMethods(autoValueParameters);
}