/* Method object interface */

#ifndef Py_METHODOBJECT_H

#define Py_METHODOBJECT_H

#ifdef __cplusplus

extern "C" {

#endif

/* This is about the type 'builtin_function_or_method',

   not Python methods in user-defined classes.  See classobject.h

   for the latter. */

PyAPI_DATA(PyTypeObject) PyCFunction_Type;

#define PyCFunction_Check(op) (Py_TYPE(op) == &PyCFunction_Type)

typedef PyObject *(*PyCFunction)(PyObject *, PyObject *);

typedef PyObject *(*PyCFunctionWithKeywords)(PyObject *, PyObject *,

					     PyObject *);

typedef PyObject *(*PyNoArgsFunction)(PyObject *);

PyAPI_FUNC(PyCFunction) PyCFunction_GetFunction(PyObject *);

PyAPI_FUNC(PyObject *) PyCFunction_GetSelf(PyObject *);

PyAPI_FUNC(int) PyCFunction_GetFlags(PyObject *);

/* Macros for direct access to these values. Type checks are *not*

   done, so use with care. */

#define PyCFunction_GET_FUNCTION(func) \

        (((PyCFunctionObject *)func) -> m_ml -> ml_meth)

#define PyCFunction_GET_SELF(func) \

	(((PyCFunctionObject *)func) -> m_self)

#define PyCFunction_GET_FLAGS(func) \

	(((PyCFunctionObject *)func) -> m_ml -> ml_flags)

PyAPI_FUNC(PyObject *) PyCFunction_Call(PyObject *, PyObject *, PyObject *);

struct PyMethodDef {

    const char	*ml_name;	/* The name of the built-in function/method */

    PyCFunction  ml_meth;	/* The C function that implements it */

    int		 ml_flags;	/* Combination of METH_xxx flags, which mostly

				   describe the args expected by the C func */

    const char	*ml_doc;	/* The __doc__ attribute, or NULL */

};

typedef struct PyMethodDef PyMethodDef;

PyAPI_FUNC(PyObject *) Py_FindMethod(PyMethodDef[], PyObject *, const char *);

#define PyCFunction_New(ML, SELF) PyCFunction_NewEx((ML), (SELF), NULL)

PyAPI_FUNC(PyObject *) PyCFunction_NewEx(PyMethodDef *, PyObject *, 

					 PyObject *);

/* Flag passed to newmethodobject */

#define METH_OLDARGS  0x0000

#define METH_VARARGS  0x0001

#define METH_KEYWORDS 0x0002

/* METH_NOARGS and METH_O must not be combined with the flags above. */

#define METH_NOARGS   0x0004

#define METH_O        0x0008

/* METH_CLASS and METH_STATIC are a little different; these control

   the construction of methods for a class.  These cannot be used for

   functions in modules. */

#define METH_CLASS    0x0010

#define METH_STATIC   0x0020

/* METH_COEXIST allows a method to be entered eventhough a slot has

   already filled the entry.  When defined, the flag allows a separate

   method, "__contains__" for example, to coexist with a defined 

   slot like sq_contains. */

#define METH_COEXIST   0x0040

typedef struct PyMethodChain {

    PyMethodDef *methods;		/* Methods of this type */

    struct PyMethodChain *link;	/* NULL or base type */

} PyMethodChain;

PyAPI_FUNC(PyObject *) Py_FindMethodInChain(PyMethodChain *, PyObject *,

                                            const char *);

typedef struct {

    PyObject_HEAD

    PyMethodDef *m_ml; /* Description of the C function to call */

    PyObject    *m_self; /* Passed as 'self' arg to the C func, can be NULL */

    PyObject    *m_module; /* The __module__ attribute, can be anything */

} PyCFunctionObject;

PyAPI_FUNC(int) PyCFunction_ClearFreeList(void);

#ifdef __cplusplus

}

#endif

#endif /* !Py_METHODOBJECT_H */