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/* Method object interface */

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#ifndef Py_METHODOBJECT_H

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#define Py_METHODOBJECT_H

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#ifdef __cplusplus

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extern "C" {

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#endif

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/* This is about the type 'builtin_function_or_method',

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

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for the latter. */

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PyAPI_DATA(PyTypeObject) PyCFunction_Type;

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

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

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

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PyObject *);

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

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PyAPI_FUNC(PyCFunction) PyCFunction_GetFunction(PyObject *);

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PyAPI_FUNC(PyObject *) PyCFunction_GetSelf(PyObject *);

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PyAPI_FUNC(int) PyCFunction_GetFlags(PyObject *);

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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 PyCFunction_GET_FUNCTION(func) \

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

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#define PyCFunction_GET_SELF(func) \

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

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#define PyCFunction_GET_FLAGS(func) \

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

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

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struct PyMethodDef {

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

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

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

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describe the args expected by the C func */

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

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};

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typedef struct PyMethodDef PyMethodDef;

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

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

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

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PyObject *);

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/* Flag passed to newmethodobject */

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#define METH_OLDARGS 0x0000

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#define METH_VARARGS 0x0001

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#define METH_KEYWORDS 0x0002

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

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#define METH_NOARGS 0x0004

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#define METH_O 0x0008

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

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

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functions in modules. */

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#define METH_CLASS 0x0010

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#define METH_STATIC 0x0020

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

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

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

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slot like sq_contains. */

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#define METH_COEXIST 0x0040

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typedef struct PyMethodChain {

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

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

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} PyMethodChain;

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

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const char *);

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typedef struct {

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PyObject_HEAD

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

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

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

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} PyCFunctionObject;

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PyAPI_FUNC(int) PyCFunction_ClearFreeList(void);

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PyAPI_FUNC(void) _PyCFunction_DebugMallocStats(FILE *out);

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PyAPI_FUNC(void) _PyMethod_DebugMallocStats(FILE *out);

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#ifdef __cplusplus

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}

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#endif

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#endif /* !Py_METHODOBJECT_H */

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