1 #ifndef Py_CPYTHON_TUPLEOBJECT_H 2 # error "this header file must not be included directly" 3 #endif 4 5 typedef struct { 6 PyObject_VAR_HEAD 7 /* ob_item contains space for 'ob_size' elements. 8 Items must normally not be NULL, except during construction when 9 the tuple is not yet visible outside the function that builds it. */ 10 PyObject *ob_item[1]; 11 } PyTupleObject; 12 13 PyAPI_FUNC(int) _PyTuple_Resize(PyObject **, Py_ssize_t); 14 PyAPI_FUNC(void) _PyTuple_MaybeUntrack(PyObject *); 15 16 /* Macros trading safety for speed */ 17 18 /* Cast argument to PyTupleObject* type. */ 19 #define _PyTuple_CAST(op) (assert(PyTuple_Check(op)), (PyTupleObject *)(op)) 20 21 #define PyTuple_GET_SIZE(op) Py_SIZE(_PyTuple_CAST(op)) 22 23 #define PyTuple_GET_ITEM(op, i) (_PyTuple_CAST(op)->ob_item[i]) 24 25 /* Macro, *only* to be used to fill in brand new tuples */ 26 #define PyTuple_SET_ITEM(op, i, v) ((void)(_PyTuple_CAST(op)->ob_item[i] = v)) 27 28 PyAPI_FUNC(void) _PyTuple_DebugMallocStats(FILE *out); 29