cpython/Include/cpython/listobject.h
Victor Stinner bec4186c67
bpo-35134: Create Include/cpython/listobject.h (GH-18395)
Move listobject.h code surrounded by "#ifndef Py_LIMITED_API"
to a new Include/cpython/listobject.h header file.

Add cpython/ header files to Makefile.pre.in and pythoncore project
of PCbuild.

Add _PyList_CAST() macro.
2020-02-07 09:20:21 +01:00

44 lines
1.4 KiB
C

#ifndef Py_CPYTHON_LISTOBJECT_H
# error "this header file must not be included directly"
#endif
#ifdef __cplusplus
extern "C" {
#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(int) PyList_ClearFreeList(void);
PyAPI_FUNC(void) _PyList_DebugMallocStats(FILE *out);
/* Macro, trading safety for speed */
/* Cast argument to PyTupleObject* 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) (_PyList_CAST(op)->ob_item[i] = (v))
#define PyList_GET_SIZE(op) Py_SIZE(_PyList_CAST(op))
#define _PyList_ITEMS(op) (_PyList_CAST(op)->ob_item)
#ifdef __cplusplus
}
#endif