/* 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) {

    PyObject *res;

    PyCellObject *cell;

    assert(PyCell_Check(op));

    cell = _Py_CAST(PyCellObject*, op);

    Py_BEGIN_CRITICAL_SECTION(cell);

    res = cell->ob_ref;

    Py_END_CRITICAL_SECTION();

    return res;

}

#define PyCell_GET(op) PyCell_GET(_PyObject_CAST(op))

static inline void PyCell_SET(PyObject *op, PyObject *value) {

    PyCellObject *cell;

    assert(PyCell_Check(op));

    cell = _Py_CAST(PyCellObject*, op);

    Py_BEGIN_CRITICAL_SECTION(cell);

    cell->ob_ref = value;

    Py_END_CRITICAL_SECTION();

}

#define PyCell_SET(op, value) PyCell_SET(_PyObject_CAST(op), (value))

#ifdef __cplusplus

}

#endif

#endif /* !Py_TUPLEOBJECT_H */

#endif /* Py_LIMITED_API */