| #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); |
| |
| /* Macro, trading safety for speed */ |
| |
| /* Cast argument to PyListObject* type. */ |
| #define _PyList_CAST(op) (assert(PyList_Check(op)), (PyListObject *)(op)) |
| |
| #define PyList_GET_ITEM(op, i) (_PyList_CAST(op)->ob_item[i]) |
| #define PyList_SET_ITEM(op, i, v) ((void)(_PyList_CAST(op)->ob_item[i] = (v))) |
| #define PyList_GET_SIZE(op) Py_SIZE(_PyList_CAST(op)) |
