| 1 | /* Weak references objects for Python. */ |
| 2 | |
| 3 | #ifndef Py_WEAKREFOBJECT_H |
| 4 | #define Py_WEAKREFOBJECT_H |
| 5 | #ifdef __cplusplus |
| 6 | extern "C" { |
| 7 | #endif |
| 8 | |
| 9 | typedef struct _PyWeakReference PyWeakReference; |
| 10 | |
| 11 | PyAPI_DATA(PyTypeObject) _PyWeakref_RefType; |
| 12 | PyAPI_DATA(PyTypeObject) _PyWeakref_ProxyType; |
| 13 | PyAPI_DATA(PyTypeObject) _PyWeakref_CallableProxyType; |
| 14 | |
| 15 | #define PyWeakref_CheckRef(op) PyObject_TypeCheck((op), &_PyWeakref_RefType) |
| 16 | #define PyWeakref_CheckRefExact(op) \ |
| 17 | Py_IS_TYPE((op), &_PyWeakref_RefType) |
| 18 | #define PyWeakref_CheckProxy(op) \ |
| 19 | (Py_IS_TYPE((op), &_PyWeakref_ProxyType) \ |
| 20 | || Py_IS_TYPE((op), &_PyWeakref_CallableProxyType)) |
| 21 | |
| 22 | #define PyWeakref_Check(op) \ |
| 23 | (PyWeakref_CheckRef(op) || PyWeakref_CheckProxy(op)) |
| 24 | |
| 25 | |
| 26 | PyAPI_FUNC(PyObject *) PyWeakref_NewRef(PyObject *ob, |
| 27 | PyObject *callback); |
| 28 | PyAPI_FUNC(PyObject *) PyWeakref_NewProxy(PyObject *ob, |
| 29 | PyObject *callback); |
| 30 | PyAPI_FUNC(PyObject *) PyWeakref_GetObject(PyObject *ref); |
| 31 | |
| 32 | |
| 33 | #ifndef Py_LIMITED_API |
| 34 | # define Py_CPYTHON_WEAKREFOBJECT_H |
| 35 | # include "cpython/weakrefobject.h" |
| 36 | # undef Py_CPYTHON_WEAKREFOBJECT_H |
| 37 | #endif |
| 38 | |
| 39 | #ifdef __cplusplus |
| 40 | } |
| 41 | #endif |
| 42 | #endif /* !Py_WEAKREFOBJECT_H */ |
| 43 | |