mirror of https://github.com/python/cpython
43 lines
1.2 KiB
C
43 lines
1.2 KiB
C
/* Weak references objects for Python. */
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#ifndef Py_WEAKREFOBJECT_H
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#define Py_WEAKREFOBJECT_H
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#ifdef __cplusplus
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extern "C" {
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#endif
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typedef struct _PyWeakReference PyWeakReference;
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PyAPI_DATA(PyTypeObject) _PyWeakref_RefType;
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PyAPI_DATA(PyTypeObject) _PyWeakref_ProxyType;
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PyAPI_DATA(PyTypeObject) _PyWeakref_CallableProxyType;
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#define PyWeakref_CheckRef(op) PyObject_TypeCheck((op), &_PyWeakref_RefType)
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#define PyWeakref_CheckRefExact(op) \
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Py_IS_TYPE((op), &_PyWeakref_RefType)
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#define PyWeakref_CheckProxy(op) \
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(Py_IS_TYPE((op), &_PyWeakref_ProxyType) \
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|| Py_IS_TYPE((op), &_PyWeakref_CallableProxyType))
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#define PyWeakref_Check(op) \
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(PyWeakref_CheckRef(op) || PyWeakref_CheckProxy(op))
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PyAPI_FUNC(PyObject *) PyWeakref_NewRef(PyObject *ob,
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PyObject *callback);
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PyAPI_FUNC(PyObject *) PyWeakref_NewProxy(PyObject *ob,
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PyObject *callback);
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PyAPI_FUNC(PyObject *) PyWeakref_GetObject(PyObject *ref);
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#ifndef Py_LIMITED_API
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# define Py_CPYTHON_WEAKREFOBJECT_H
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# include "cpython/weakrefobject.h"
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# undef Py_CPYTHON_WEAKREFOBJECT_H
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#endif
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#ifdef __cplusplus
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}
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#endif
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#endif /* !Py_WEAKREFOBJECT_H */
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