[Cython] CF based type inference
markflorisson88 at gmail.com
Wed May 9 14:43:17 CEST 2012
On 9 May 2012 13:39, Vitja Makarov <vitja.makarov at gmail.com> wrote:
> 2012/5/9 Vitja Makarov <vitja.makarov at gmail.com>:
>> 2012/5/9 Stefan Behnel <stefan_ml at behnel.de>:
>>> Stefan Behnel, 08.05.2012 14:24:
>>>> Vitja has rebased the type inference on the control flow
>>> On a related note, is this fixable now?
>>> def test():
>>> x = 1 # inferred as int
>>> del x # error: Deletion of non-Python, non-C++ object
>>> It might be enough to infer "object" for names that are being del-ed for
>>> now, and to fix "del" The Right Way when we split entries.
>> Do you mean that `x` should be inferred as "python object" in your example?
>> Yes, we may add workaround for del <unspecified_type> case.
>> Del is represented now by NameDeletion with the same rhs and lhs.
>> We can add method infer_type() to NameAssignment and use it instead of
> Here I've tried to fix it, now deletion always infers as python_object
> That may break C++ object deletion
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Memoryviews can be deleted as well.
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