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We convert py List to js Array and back. Type List supports a strict subset of type Array, not an intersection. So when we go py to js we convert List to true Array, and when we go the other way we drop all of Array that is not supported by List
registration into VM basic operations
operators and methods implemented, JSArrayProxyType introduced
zollqir
requested changes
Dec 13, 2023
zollqir
requested changes
Dec 20, 2023
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zollqir
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One comment to address regarding handling private slots.
In addition, we should replace all instances of _PyNumber_Index with PyNumber_Index. It looks like they changed the behaviour of PyNumber_Index in 3.10 to only return exactly type int rather than potentially returning a subtype, and made _PyNumber_Index to have the old behaviour. The difference shouldn't matter for us in this case as far as I can tell. This should fix the compilation failed CI in 3.8 & 3.9.
test_slice_assign_wrong_type() looks to be failing in python 3.12 on line 913: a[2:4] = 6, specifically on JSArrayProxy.cc:187 Py_SIZE(b), where b is a PyLong_Type being cast to a PyListObject
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JS Arrays now behave like Python Lists when in a Python context.
closes #150
closes #110