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bpo-42990: Further refactoring of PyEval_ functions. #24368

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merged 11 commits into from Feb 1, 2021

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@markshannon
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@markshannon markshannon commented Jan 29, 2021

Removes a further layer of indirection for calling Python functions, by replacing _PyEval_EvalCodeWithName() which took a large an incoherent set of parameters with _PyEval_Vector() which takes fewer than half the parameters, and is more efficient in the common case of calling a function.

Skipping NEWS as this should have no visible effect on API or performance, nor does it fix any bugs. It just makes our life easier in the future.

https://bugs.python.org/issue42990

@gvanrossum
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@gvanrossum gvanrossum commented Jan 29, 2021

(Isn't news also used to alert developers of structural changes to the interpreter?)

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@markshannon markshannon commented Jan 30, 2021

There's no API changes, so I assumed not.
No harm in adding one though.

@markshannon markshannon merged commit 0332e56 into python:master Feb 1, 2021
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bedevere/issue-number Issue number 42990 found
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bedevere/news News entry found in Misc/NEWS.d
@markshannon markshannon deleted the markshannon:eval-refactor branch Feb 2, 2021
ncoghlan added a commit to ncoghlan/cpython that referenced this pull request Feb 8, 2021
* Further refactoring of PyEval_EvalCode and friends. Break into make-frame, and eval-frame parts.

* Simplify function vector call using new _PyEval_Vector.

* Remove unused internal functions: _PyEval_EvalCodeWithName and _PyEval_EvalCode.

* Don't use legacy function PyEval_EvalCodeEx.
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4 participants