private void generateDataClassEqualsIfNeeded(@NotNull List<PropertyDescriptor> properties) {
FunctionDescriptor function =
getDeclaredMember("equals", builtIns.getBoolean(), builtIns.getAny());
if (function != null && isTrivial(function)) {
generateEqualsMethod(function, properties);
}
}
/** @return true if the member is an inherited implementation of a method from Any */
private boolean isTrivial(@NotNull FunctionDescriptor function) {
if (function.getKind() == CallableMemberDescriptor.Kind.DECLARATION) {
return false;
}
for (CallableDescriptor overridden : OverrideResolver.getOverriddenDeclarations(function)) {
if (overridden instanceof CallableMemberDescriptor
&& ((CallableMemberDescriptor) overridden).getKind()
== CallableMemberDescriptor.Kind.DECLARATION
&& !overridden.getContainingDeclaration().equals(builtIns.getAny())) {
return false;
}
}
return true;
}
