// TODO: maybe we have similar routine
@Nullable
public static ClassDescriptor getContainingClass(@NotNull DeclarationDescriptor descriptor) {
DeclarationDescriptor containing = descriptor.getContainingDeclaration();
while (containing != null) {
if (containing instanceof ClassDescriptor && !isClassObject(containing)) {
return (ClassDescriptor) containing;
}
containing = containing.getContainingDeclaration();
}
return null;
}
@NotNull
private static DeclarationDescriptor getDeclarationDescriptorForReceiver(
@NotNull ReceiverValue receiverParameter) {
if (receiverParameter instanceof ThisReceiver) {
DeclarationDescriptor declarationDescriptor =
((ThisReceiver) receiverParameter).getDeclarationDescriptor();
return declarationDescriptor.getOriginal();
}
throw new UnsupportedOperationException(
"Unsupported receiver type: "
+ receiverParameter.getClass()
+ ", receiverParameter = "
+ receiverParameter);
}
@NotNull
public static DeclarationDescriptor getContainingDeclaration(
@NotNull DeclarationDescriptor descriptor) {
DeclarationDescriptor containing = descriptor.getContainingDeclaration();
assert containing != null : "Should be called on objects that have containing declaration.";
return containing;
}
public static ReceiverParameterDescriptor getReceiverParameterForDeclaration(
DeclarationDescriptor declarationDescriptor) {
if (declarationDescriptor instanceof ClassDescriptor) {
return ((ClassDescriptor) declarationDescriptor).getThisAsReceiverParameter();
} else if (declarationDescriptor instanceof CallableMemberDescriptor) {
ReceiverParameterDescriptor receiverDescriptor =
((CallableMemberDescriptor) declarationDescriptor).getReceiverParameter();
assert receiverDescriptor != null;
return receiverDescriptor;
}
throw new UnsupportedOperationException(
"Unsupported declaration type: "
+ declarationDescriptor.getClass()
+ ", declarationDescriptor = "
+ declarationDescriptor);
}