cpython/Include/cpython/cellobject.h
Victor Stinner 897f14d38d
gh-89653: PEP 670: Convert PyCell macros to functions (#92653)
Convert the following macros to static inline functions:

* PyCell_GET()
* PyCell_SET()

Limited C API version 3.12 no longer casts arguments.

Fix also usage of PyCell_SET(): only delete the old value after
setting the new value.
2022-05-11 23:24:48 +02:00

46 lines
1.2 KiB
C

/* Cell object interface */
#ifndef Py_LIMITED_API
#ifndef Py_CELLOBJECT_H
#define Py_CELLOBJECT_H
#ifdef __cplusplus
extern "C" {
#endif
typedef struct {
PyObject_HEAD
/* Content of the cell or NULL when empty */
PyObject *ob_ref;
} PyCellObject;
PyAPI_DATA(PyTypeObject) PyCell_Type;
#define PyCell_Check(op) Py_IS_TYPE(op, &PyCell_Type)
PyAPI_FUNC(PyObject *) PyCell_New(PyObject *);
PyAPI_FUNC(PyObject *) PyCell_Get(PyObject *);
PyAPI_FUNC(int) PyCell_Set(PyObject *, PyObject *);
static inline PyObject* PyCell_GET(PyObject *op) {
assert(PyCell_Check(op));
PyCellObject *cell = _Py_CAST(PyCellObject*, op);
return cell->ob_ref;
}
#if !defined(Py_LIMITED_API) || Py_LIMITED_API+0 < 0x030c0000
# define PyCell_GET(op) PyCell_GET(_PyObject_CAST(op))
#endif
static inline void PyCell_SET(PyObject *op, PyObject *value) {
assert(PyCell_Check(op));
PyCellObject *cell = _Py_CAST(PyCellObject*, op);
cell->ob_ref = value;
}
#if !defined(Py_LIMITED_API) || Py_LIMITED_API+0 < 0x030c0000
# define PyCell_SET(op, value) PyCell_SET(_PyObject_CAST(op), (value))
#endif
#ifdef __cplusplus
}
#endif
#endif /* !Py_TUPLEOBJECT_H */
#endif /* Py_LIMITED_API */