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bpo-35059: Convert PyObject_INIT() to function (GH-10077)

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* Convert PyObject_INIT() and PyObject_INIT_VAR() macros to static
  inline functions.
* Fix usage of these functions: cast to PyObject* or PyVarObject*.
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Victor Stinner 2018-10-26 14:35:00 +02:00 • committed by GitHub
parent 7cd2543416
commit b4435e20a9
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8 changed files with 33 additions and 16 deletions
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29
Include/objimpl.h
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@ -138,12 +138,29 @@ PyAPI_FUNC(PyVarObject *) _PyObject_NewVar(PyTypeObject *, Py_ssize_t);
#define PyObject_NewVar(type, typeobj, n) \
( (type *) _PyObject_NewVar((typeobj), (n)) )
/* Macros trading binary compatibility for speed. See also pymem.h.
Note that these macros expect non-NULL object pointers.*/
#define PyObject_INIT(op, typeobj) \
( Py_TYPE(op) = (typeobj), _Py_NewReference((PyObject *)(op)), (op) )
#define PyObject_INIT_VAR(op, typeobj, size) \
( Py_SIZE(op) = (size), PyObject_INIT((op), (typeobj)) )
/* Inline functions trading binary compatibility for speed:
PyObject_INIT() is the fast version of PyObject_Init(), and
PyObject_INIT_VAR() is the fast version of PyObject_InitVar.
See also pymem.h.
These inline functions expect non-NULL object pointers. */
Py_STATIC_INLINE(PyObject*)
PyObject_INIT(PyObject *op, PyTypeObject *typeobj)
{
assert(op != NULL);
Py_TYPE(op) = typeobj;
_Py_NewReference(op);
return op;
}
Py_STATIC_INLINE(PyVarObject*)
PyObject_INIT_VAR(PyVarObject *op, PyTypeObject *typeobj, Py_ssize_t size)
{
assert(op != NULL);
Py_SIZE(op) = size;
PyObject_INIT((PyObject *)op, typeobj);
return op;
}
#define _PyObject_SIZE(typeobj) ( (typeobj)->tp_basicsize )