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2574 StackOverflow Exception On Super Method Call Fix - #2628
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October 9, 2025 08:30
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Thanks a lot for this. I will try my best to get the CI working again on the weekend and will "enqueue" this one for merging. |
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I have added the actual fix for #2574. In this case, it did not find the correct method to call the base class variant of the virtual method called. Instead it decided to call the top function, causing a stack overflow exception. This has been fixed by using the correct name for the base class function invoke method I think this is ready for merge, but I will continue testing it. |
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December 8, 2025 10:29
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March 25, 2026 21:51
…ning a method and some not. Also fixed an issue causing the finalizer to be called twice. Added unit tests to verify the fix.
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May 12, 2026 19:57
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Update: Does not actually fix #2574, but a similar problem(#2629). I'll provide a fix for 2574 as well.
Update 2: Now this also fixes #2574
This fixed an issue with a StackOverflow exception being generated when a virtual method is being called, but a class in the middle of the inheritance tree does not override the method.
This happens because the CallVirtual method calls the method on the python object if the wrapper got generated, causing everything to be evaluated again from the top. Doing it this way, causes the the python method only to get invoked if there is an implementation on the class, which can then correctly call super().Method().
For the finalizer fix, we now skip generating the call to PyFinalize if the base class is already a python class, because if that is the case the finalize method has already been added.
Additionally it simplifies how the generated code for virtual methods look. Now, a virtual wrapper method is not automatically generated. Only if the method is actually being overwritten by the class it will prompt the generation of a virtual method wrapper.
Does this close any currently open issues?
This closes #2574, #2627, #2629
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