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82 lines
2.8 KiB
82 lines
2.8 KiB
5 years ago
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/* Class object interface */
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/* Revealing some structures (not for general use) */
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#ifndef Py_CLASSOBJECT_H
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#define Py_CLASSOBJECT_H
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#ifdef __cplusplus
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extern "C" {
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#endif
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typedef struct {
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PyObject_HEAD
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PyObject *cl_bases; /* A tuple of class objects */
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PyObject *cl_dict; /* A dictionary */
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PyObject *cl_name; /* A string */
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/* The following three are functions or NULL */
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PyObject *cl_getattr;
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PyObject *cl_setattr;
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PyObject *cl_delattr;
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} PyClassObject;
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typedef struct {
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PyObject_HEAD
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PyClassObject *in_class; /* The class object */
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PyObject *in_dict; /* A dictionary */
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PyObject *in_weakreflist; /* List of weak references */
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} PyInstanceObject;
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typedef struct {
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PyObject_HEAD
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PyObject *im_func; /* The callable object implementing the method */
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PyObject *im_self; /* The instance it is bound to, or NULL */
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PyObject *im_class; /* The class that asked for the method */
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PyObject *im_weakreflist; /* List of weak references */
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} PyMethodObject;
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PyAPI_DATA(PyTypeObject) PyClass_Type, PyInstance_Type, PyMethod_Type;
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#define PyClass_Check(op) ((op)->ob_type == &PyClass_Type)
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#define PyInstance_Check(op) ((op)->ob_type == &PyInstance_Type)
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#define PyMethod_Check(op) ((op)->ob_type == &PyMethod_Type)
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PyAPI_FUNC(PyObject *) PyClass_New(PyObject *, PyObject *, PyObject *);
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PyAPI_FUNC(PyObject *) PyInstance_New(PyObject *, PyObject *,
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PyObject *);
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PyAPI_FUNC(PyObject *) PyInstance_NewRaw(PyObject *, PyObject *);
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PyAPI_FUNC(PyObject *) PyMethod_New(PyObject *, PyObject *, PyObject *);
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PyAPI_FUNC(PyObject *) PyMethod_Function(PyObject *);
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PyAPI_FUNC(PyObject *) PyMethod_Self(PyObject *);
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PyAPI_FUNC(PyObject *) PyMethod_Class(PyObject *);
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/* Look up attribute with name (a string) on instance object pinst, using
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* only the instance and base class dicts. If a descriptor is found in
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* a class dict, the descriptor is returned without calling it.
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* Returns NULL if nothing found, else a borrowed reference to the
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* value associated with name in the dict in which name was found.
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* The point of this routine is that it never calls arbitrary Python
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* code, so is always "safe": all it does is dict lookups. The function
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* can't fail, never sets an exception, and NULL is not an error (it just
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* means "not found").
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*/
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PyAPI_FUNC(PyObject *) _PyInstance_Lookup(PyObject *pinst, PyObject *name);
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/* Macros for direct access to these values. Type checks are *not*
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done, so use with care. */
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#define PyMethod_GET_FUNCTION(meth) \
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(((PyMethodObject *)meth) -> im_func)
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#define PyMethod_GET_SELF(meth) \
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(((PyMethodObject *)meth) -> im_self)
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#define PyMethod_GET_CLASS(meth) \
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(((PyMethodObject *)meth) -> im_class)
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PyAPI_FUNC(int) PyClass_IsSubclass(PyObject *, PyObject *);
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#ifdef __cplusplus
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}
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#endif
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#endif /* !Py_CLASSOBJECT_H */
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