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gh-122943: Rework support of var-positional parameter in Argument Clinic (GH-122945)

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Move creation of a tuple for var-positional parameter out of
_PyArg_UnpackKeywordsWithVararg().
Merge _PyArg_UnpackKeywordsWithVararg() with _PyArg_UnpackKeywords().
Add a new parameter in _PyArg_UnpackKeywords().

The "parameters" and "converters" attributes of ParseArgsCodeGen no
longer contain the var-positional parameter. It is now available as the
"varpos" attribute. Optimize code generation for var-positional
parameter and reuse the same generating code for functions with and without
keyword parameters.

Add special converters for var-positional parameter. "tuple" represents it as
a Python tuple and "array" represents it as a continuous array of PyObject*.
"object" is a temporary alias of "tuple".
This commit is contained in:
Serhiy Storchaka
2024-11-07 23:40:03 +02:00
committed by GitHub
parent 09d6f5dc78
commit 1f777396f5
22 changed files with 1597 additions and 662 deletions
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Include/internal/pycore_tuple.h
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@@ -20,7 +20,7 @@ extern PyStatus _PyTuple_InitGlobalObjects(PyInterpreterState *);
#define _PyTuple_ITEMS(op) _Py_RVALUE(_PyTuple_CAST(op)->ob_item)
extern PyObject *_PyTuple_FromArray(PyObject *const *, Py_ssize_t);
PyAPI_FUNC(PyObject *)_PyTuple_FromArray(PyObject *const *, Py_ssize_t);
PyAPI_FUNC(PyObject *)_PyTuple_FromStackRefSteal(const union _PyStackRef *, Py_ssize_t);
PyAPI_FUNC(PyObject *)_PyTuple_FromArraySteal(PyObject *const *, Py_ssize_t);