#ifndef Py_CPYTHON_LISTOBJECT_H # error "this header file must not be included directly" #endif typedef struct { PyObject_VAR_HEAD /* Vector of pointers to list elements. list[0] is ob_item[0], etc. */ PyObject **ob_item; /* ob_item contains space for 'allocated' elements. The number * currently in use is ob_size. * Invariants: * 0 <= ob_size <= allocated * len(list) == ob_size * ob_item == NULL implies ob_size == allocated == 0 * list.sort() temporarily sets allocated to -1 to detect mutations. * * Items must normally not be NULL, except during construction when * the list is not yet visible outside the function that builds it. */ Py_ssize_t allocated; } PyListObject; PyAPI_FUNC(PyObject *) _PyList_Extend(PyListObject *, PyObject *); PyAPI_FUNC(void) _PyList_DebugMallocStats(FILE *out); /* Cast argument to PyListObject* type. */ #define _PyList_CAST(op) \ (assert(PyList_Check(op)), _Py_CAST(PyListObject*, (op))) // Macros and static inline functions, trading safety for speed static inline Py_ssize_t PyList_GET_SIZE(PyObject *op) { PyListObject *list = _PyList_CAST(op); return Py_SIZE(list); } #if !defined(Py_LIMITED_API) || Py_LIMITED_API+0 < 0x030b0000 # define PyList_GET_SIZE(op) PyList_GET_SIZE(_PyObject_CAST(op)) #endif #define PyList_GET_ITEM(op, index) (_PyList_CAST(op)->ob_item[index]) static inline void PyList_SET_ITEM(PyObject *op, Py_ssize_t index, PyObject *value) { PyListObject *list = _PyList_CAST(op); list->ob_item[index] = value; } #if !defined(Py_LIMITED_API) || Py_LIMITED_API+0 < 0x030b0000 #define PyList_SET_ITEM(op, index, value) \ PyList_SET_ITEM(_PyObject_CAST(op), index, _PyObject_CAST(value)) #endif