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