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/* 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 *(*_PyCFunctionFast) (PyObject *self, PyObject **args,

Py_ssize_t nargs, PyObject *kwnames);

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. */

#ifndef Py_LIMITED_API

#define PyCFunction_GET_FUNCTION(func) \

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

#define PyCFunction_GET_SELF(func) \

(((PyCFunctionObject *)func) -> m_ml -> ml_flags & METH_STATIC ? \

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

#define PyCFunction_GET_FLAGS(func) \

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

#endif

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

#ifndef Py_LIMITED_API

PyAPI_FUNC(PyObject *) _PyCFunction_FastCallDict(PyObject *func,

PyObject **args,

Py_ssize_t nargs,

PyObject *kwargs);

PyAPI_FUNC(PyObject *) _PyCFunction_FastCallKeywords(PyObject *func,

PyObject **stack,

Py_ssize_t nargs,

PyObject *kwnames);

#endif

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;

#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 -- unsupported now */

#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 even though 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

#ifndef Py_LIMITED_API

#define METH_FASTCALL 0x0080

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 */

PyObject *m_weakreflist; /* List of weak references */

} PyCFunctionObject;

#endif

PyAPI_FUNC(int) PyCFunction_ClearFreeList(void);

#ifndef Py_LIMITED_API

PyAPI_FUNC(void) _PyCFunction_DebugMallocStats(FILE *out);

PyAPI_FUNC(void) _PyMethod_DebugMallocStats(FILE *out);

#endif

#ifdef __cplusplus

}

#endif

#endif /* !Py_METHODOBJECT_H */

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