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MSR: Remove use of reflection in UCOs of generic types #18421
MSR: Remove use of reflection in UCOs of generic types #18421
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There's one failing test: it's failing because an exception isn't thrown when calling a method taking a generic parameter T instantiated with NSSet is passed NSObject:
ThrowsICEIfDebug (() => Messaging.void_objc_msgSend_IntPtr (obj.Handle, Selector.GetHandle ("m1:"), nsobj.Handle), "m1: ICE"); |
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@rolfbjarne I fixed the bug that caused the |
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/azp run |
Azure Pipelines successfully started running 1 pipeline(s). |
💻 [CI Build] Windows Integration Tests passed 💻✅ All Windows Integration Tests passed. Pipeline on Agent |
💻 [PR Build] Tests on macOS M1 - Mac Big Sur (11.5) passed 💻✅ All tests on macOS M1 - Mac Big Sur (11.5) passed. Pipeline on Agent |
📚 [PR Build] Artifacts 📚Packages generatedView packagesPipeline on Agent |
💻 [PR Build] Tests on macOS M1 - Mac Ventura (13.0) passed 💻✅ All tests on macOS M1 - Mac Ventura (13.0) passed. Pipeline on Agent |
✅ API diff for current PR / commitLegacy Xamarin (No breaking changes)
NET (empty diffs)
✅ API diff vs stableLegacy Xamarin (No breaking changes).NET (No breaking changes)✅ Generator diffGenerator diff is empty Pipeline on Agent |
🚀 [CI Build] Test results 🚀Test results✅ All tests passed on VSTS: simulator tests. 🎉 All 235 tests passed 🎉 Tests counts✅ bcl: All 69 tests passed. Html Report (VSDrops) Download Pipeline on Agent |
Great work! |
Closes #18356
In the static UnmanagedCallersOnly methods we don't know the generic parameters of the type we're working with and we need to use this trick to be able to call methods on the generic type without using reflection. When we call a non-generic interface method implemented on a generic class, the .NET runtime will resolve the generic parameters for us. In the implementation of the interface method, we can simply use the generic parameters and generate the same code we usually generate in the UnmanagedCallersOnly callback method.
This is an example of the code we generate in addition to user code: