[mypyc] Optimize __(a)enter__/__(a)exit__ paths for native case #14530
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Closes mypyc/mypyc#904 Directly calls enter and exit handlers in the case that the context manager is implemented natively. Unfortunately the implementation becomes a bit more complicated because there are two different places where we call exit in different ways, and they both need to support the native and non-native cases.
JukkaL
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Jan 30, 2023
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JukkaL
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Looks good to me! Nice to have this performance bottleneck fixed.
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Closes mypyc/mypyc#904
Directly calls enter and exit handlers in the case that the context manager is implemented natively.
Unfortunately the implementation becomes a bit more complicated because there are two different places where we call exit in different ways, and they both need to support the native and non-native cases.