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bpo-37191: Avoid declaration-after-statement in header included from Python.h (GH-13887)

This commit is contained in:
Petr Viktorin 2019-06-07 18:31:56 +02:00 committed by Victor Stinner
parent 5effd10bf1
commit 9689f80e61
2 changed files with 10 additions and 4 deletions
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11
Include/cpython/abstract.h
View File

@ -81,13 +81,14 @@ static inline vectorcallfunc
_PyVectorcall_Function(PyObject *callable)
{
PyTypeObject *tp = Py_TYPE(callable);
Py_ssize_t offset = tp->tp_vectorcall_offset;
vectorcallfunc *ptr;
if (!PyType_HasFeature(tp, _Py_TPFLAGS_HAVE_VECTORCALL)) {
return NULL;
}
assert(PyCallable_Check(callable));
Py_ssize_t offset = tp->tp_vectorcall_offset;
assert(offset > 0);
vectorcallfunc *ptr = (vectorcallfunc *)(((char *)callable) + offset);
ptr = (vectorcallfunc*)(((char *)callable) + offset);
return *ptr;
}
@ -114,14 +115,16 @@ static inline PyObject *
_PyObject_Vectorcall(PyObject *callable, PyObject *const *args,
size_t nargsf, PyObject *kwnames)
{
PyObject *res;
vectorcallfunc func;
assert(kwnames == NULL || PyTuple_Check(kwnames));
assert(args != NULL || PyVectorcall_NARGS(nargsf) == 0);
vectorcallfunc func = _PyVectorcall_Function(callable);
func = _PyVectorcall_Function(callable);
if (func == NULL) {
Py_ssize_t nargs = PyVectorcall_NARGS(nargsf);
return _PyObject_MakeTpCall(callable, args, nargs, kwnames);
}
PyObject *res = func(callable, args, nargsf, kwnames);
res = func(callable, args, nargsf, kwnames);
return _Py_CheckFunctionResult(callable, res, NULL);
}

3
Misc/NEWS.d/next/C API/2019-06-07-10-47-37.bpo-37191.iGL1_K.rst Normal file
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@ -0,0 +1,3 @@
Python.h does not need compiler support for intermingled declarations (GCC's
``-Wdeclaration-after-statement``), which were added in 3.8.0 Beta 1. Note
that in Python 3.9, intermingled declarations will be needed again.