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bpo-36974: implement PEP 590 (GH-13185)

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Co-authored-by: Jeroen Demeyer <J.Demeyer@UGent.be>
Co-authored-by: Mark Shannon <mark@hotpy.org>
This commit is contained in:
Jeroen Demeyer 2019-05-29 20:31:52 +02:00 • committed by Petr Viktorin
parent d30da5dd9a
commit aacc77fbd7
22 changed files with 411 additions and 240 deletions
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10
Objects/descrobject.c
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@ -265,13 +265,14 @@ methoddescr_call(PyMethodDescrObject *descr, PyObject *args, PyObject *kwargs)
// same to methoddescr_call(), but use FASTCALL convention.
PyObject *
_PyMethodDescr_FastCallKeywords(PyObject *descrobj,
PyObject *const *args, Py_ssize_t nargs,
PyObject *const *args, size_t nargsf,
PyObject *kwnames)
{
assert(Py_TYPE(descrobj) == &PyMethodDescr_Type);
PyMethodDescrObject *descr = (PyMethodDescrObject *)descrobj;
PyObject *self, *result;
Py_ssize_t nargs = PyVectorcall_NARGS(nargsf);
/* Make sure that the first argument is acceptable as 'self' */
if (nargs < 1) {
PyErr_Format(PyExc_TypeError,
@ -542,7 +543,7 @@ PyTypeObject PyMethodDescr_Type = {
sizeof(PyMethodDescrObject),
0,
(destructor)descr_dealloc, /* tp_dealloc */
0, /* tp_print */
offsetof(PyMethodDescrObject, vectorcall), /* tp_vectorcall_offset */
0, /* tp_getattr */
0, /* tp_setattr */
0, /* tp_reserved */
@ -557,6 +558,7 @@ PyTypeObject PyMethodDescr_Type = {
0, /* tp_setattro */
0, /* tp_as_buffer */
Py_TPFLAGS_DEFAULT | Py_TPFLAGS_HAVE_GC |
_Py_TPFLAGS_HAVE_VECTORCALL |
Py_TPFLAGS_METHOD_DESCRIPTOR, /* tp_flags */
0, /* tp_doc */
descr_traverse, /* tp_traverse */
@ -752,8 +754,10 @@ PyDescr_NewMethod(PyTypeObject *type, PyMethodDef *method)
descr = (PyMethodDescrObject *)descr_new(&PyMethodDescr_Type,
type, method->ml_name);
if (descr != NULL)
if (descr != NULL) {
descr->d_method = method;
descr->vectorcall = &_PyMethodDescr_FastCallKeywords;
}
return (PyObject *)descr;
}