static unsafe void InitializeCoreCLRBridge(InitializationOptions *options)
{
if (options->xamarin_objc_msgsend != IntPtr.Zero)
{
ObjectiveCMarshal.SetMessageSendCallback(ObjectiveCMarshal.MessageSendFunction.MsgSend, options->xamarin_objc_msgsend);
}
if (options->xamarin_objc_msgsend_super != IntPtr.Zero)
{
ObjectiveCMarshal.SetMessageSendCallback(ObjectiveCMarshal.MessageSendFunction.MsgSendSuper, options->xamarin_objc_msgsend_super);
}
if (options->xamarin_objc_msgsend_stret != IntPtr.Zero)
{
ObjectiveCMarshal.SetMessageSendCallback(ObjectiveCMarshal.MessageSendFunction.MsgSendStret, options->xamarin_objc_msgsend_stret);
}
if (options->xamarin_objc_msgsend_super_stret != IntPtr.Zero)
{
ObjectiveCMarshal.SetMessageSendCallback(ObjectiveCMarshal.MessageSendFunction.MsgSendSuperStret, options->xamarin_objc_msgsend_super_stret);
}
delegate * unmanaged <void> beginEndCallback = (delegate * unmanaged <void>)options->reference_tracking_begin_end_callback;
delegate * unmanaged <IntPtr, int> isReferencedCallback = (delegate * unmanaged <IntPtr, int>)options->reference_tracking_is_referenced_callback;
delegate * unmanaged <IntPtr, void> trackedObjectEnteredFinalization = (delegate * unmanaged <IntPtr, void>)options->reference_tracking_tracked_object_entered_finalization;
ObjectiveCMarshal.Initialize(beginEndCallback, isReferencedCallback, trackedObjectEnteredFinalization, UnhandledExceptionPropagationHandler);
}
private static void ValidateSetMessageSendPendingExceptionImpl(MessageSendFunction msgSend)
{
if (!LibObjC.SupportedOnPlatform(msgSend))
{
return;
}
IntPtr func = msgSend switch
{
MessageSendFunction.MsgSend => (IntPtr)(delegate * unmanaged <IntPtr, IntPtr, IntPtr>) & MsgSend,
MessageSendFunction.MsgSendFpret => (IntPtr)(delegate * unmanaged <IntPtr, IntPtr, IntPtr>) & MsgSendFpret,
MessageSendFunction.MsgSendStret => (IntPtr)(delegate * unmanaged <IntPtr *, IntPtr, IntPtr, void>) & MsgSendStret,
MessageSendFunction.MsgSendSuper => (IntPtr)(delegate * unmanaged <IntPtr, IntPtr, IntPtr>) & MsgSendSuper,
MessageSendFunction.MsgSendSuperStret => (IntPtr)(delegate * unmanaged <IntPtr *, IntPtr, IntPtr, void>) & MsgSendSuperStret,
_ => throw new Exception($"Unknown {nameof(MessageSendFunction)}"),
};
// Override message send function
//
// We are using the overriding mechanism to enable validating in the Libraries test suite.
// Technically any Objective-C code that is entered via msgSend could call the managed SetMessageSendPendingException()
// and it would be thrown when returning from the P/Invoke. This approach avoids us having to
// create a pure Objective-C library for testing this behavior.
ObjectiveCMarshal.SetMessageSendCallback(msgSend, func);
// Call message send function through P/Invoke
IntPtr inst = IntPtr.Zero;
IntPtr sel = IntPtr.Zero;
Exception ex = Assert.Throws <PendingException>(() => LibObjC.CallPInvoke(msgSend, inst, sel));
Assert.Equal(msgSend.ToString(), ex.Message);
}