Edit File: tupleobject.h
/* Tuple object interface */ #ifndef Py_TUPLEOBJECT_H #define Py_TUPLEOBJECT_H #ifdef __cplusplus extern "C" { #endif /* Another generally useful object type is a tuple of object pointers. For Python, this is an immutable type. C code can change the tuple items (but not their number), and even use tuples are general-purpose arrays of object references, but in general only brand new tuples should be mutated, not ones that might already have been exposed to Python code. *** WARNING *** PyTuple_SetItem does not increment the new item's reference count, but does decrement the reference count of the item it replaces, if not nil. It does *decrement* the reference count if it is *not* inserted in the tuple. Similarly, PyTuple_GetItem does not increment the returned item's reference count. */ typedef struct { PyObject_VAR_HEAD PyObject *ob_item[1]; /* ob_item contains space for 'ob_size' elements. * Items must normally not be NULL, except during construction when * the tuple is not yet visible outside the function that builds it. */ } PyTupleObject; PyAPI_DATA(PyTypeObject) PyTuple_Type; #define PyTuple_Check(op) \ PyType_FastSubclass(Py_TYPE(op), Py_TPFLAGS_TUPLE_SUBCLASS) #define PyTuple_CheckExact(op) (Py_TYPE(op) == &PyTuple_Type) PyAPI_FUNC(PyObject *) PyTuple_New(Py_ssize_t size); PyAPI_FUNC(Py_ssize_t) PyTuple_Size(PyObject *); PyAPI_FUNC(PyObject *) PyTuple_GetItem(PyObject *, Py_ssize_t); PyAPI_FUNC(int) PyTuple_SetItem(PyObject *, Py_ssize_t, PyObject *); PyAPI_FUNC(PyObject *) PyTuple_GetSlice(PyObject *, Py_ssize_t, Py_ssize_t); PyAPI_FUNC(int) _PyTuple_Resize(PyObject **, Py_ssize_t); PyAPI_FUNC(PyObject *) PyTuple_Pack(Py_ssize_t, ...); PyAPI_FUNC(void) _PyTuple_MaybeUntrack(PyObject *); /* Macro, trading safety for speed */ #define PyTuple_GET_ITEM(op, i) (((PyTupleObject *)(op))->ob_item[i]) #define PyTuple_GET_SIZE(op) Py_SIZE(op) /* Macro, *only* to be used to fill in brand new tuples */ #define PyTuple_SET_ITEM(op, i, v) (((PyTupleObject *)(op))->ob_item[i] = v) PyAPI_FUNC(int) PyTuple_ClearFreeList(void); PyAPI_FUNC(void) _PyTuple_DebugMallocStats(FILE *out); #ifdef __cplusplus } #endif #endif /* !Py_TUPLEOBJECT_H */
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