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cpython/Include/listobject.h at 3.5 · python/cpython · GitHub
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listobject.h
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listobject.h
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/* List object interface */
/*
Another generally useful object type is a list of object pointers.
This is a mutable type: the list items can be changed, and items can be
added or removed. Out-of-range indices or non-list objects are ignored.
*** WARNING *** PyList_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 list. Similarly, PyList_GetItem does not increment the
returned item's reference count.
*/
#ifndef
Py_LISTOBJECT_H
#define
Py_LISTOBJECT_H
#ifdef
__cplusplus
extern
"C"
{
#endif
#ifndef
Py_LIMITED_API
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
;
#endif
PyAPI_DATA
(
PyTypeObject
)
PyList_Type
;
PyAPI_DATA
(
PyTypeObject
)
PyListIter_Type
;
PyAPI_DATA
(
PyTypeObject
)
PyListRevIter_Type
;
PyAPI_DATA
(
PyTypeObject
)
PySortWrapper_Type
;
#define
PyList_Check
(
op
) \
PyType_FastSubclass(Py_TYPE(op), Py_TPFLAGS_LIST_SUBCLASS)
#define
PyList_CheckExact
(
op
) (Py_TYPE(op) == &PyList_Type)
PyAPI_FUNC
(
PyObject
*
)
PyList_New
(
Py_ssize_t
size
);
PyAPI_FUNC
(
Py_ssize_t
)
PyList_Size
(
PyObject
*
);
PyAPI_FUNC
(
PyObject
*
)
PyList_GetItem
(
PyObject
*
,
Py_ssize_t
);
PyAPI_FUNC
(
int
)
PyList_SetItem
(
PyObject
*
,
Py_ssize_t
,
PyObject
*
);
PyAPI_FUNC
(
int
)
PyList_Insert
(
PyObject
*
,
Py_ssize_t
,
PyObject
*
);
PyAPI_FUNC
(
int
)
PyList_Append
(
PyObject
*
,
PyObject
*
);
PyAPI_FUNC
(
PyObject
*
)
PyList_GetSlice
(
PyObject
*
,
Py_ssize_t
,
Py_ssize_t
);
PyAPI_FUNC
(
int
)
PyList_SetSlice
(
PyObject
*
,
Py_ssize_t
,
Py_ssize_t
,
PyObject
*
);
PyAPI_FUNC
(
int
)
PyList_Sort
(
PyObject
*
);
PyAPI_FUNC
(
int
)
PyList_Reverse
(
PyObject
*
);
PyAPI_FUNC
(
PyObject
*
)
PyList_AsTuple
(
PyObject
*
);
#ifndef
Py_LIMITED_API
PyAPI_FUNC
(
PyObject
*
)
_PyList_Extend
(
PyListObject
*
,
PyObject
*
);
PyAPI_FUNC
(
int
)
PyList_ClearFreeList
(
void
);
PyAPI_FUNC
(
void
)
_PyList_DebugMallocStats
(
FILE
*
out
);
#endif
/* Macro, trading safety for speed */
#ifndef
Py_LIMITED_API
#define
PyList_GET_ITEM
(
op
,
i
) (((PyListObject *)(op))->ob_item[i])
#define
PyList_SET_ITEM
(
op
,
i
,
v
) (((PyListObject *)(op))->ob_item[i] = (v))
#define
PyList_GET_SIZE
(
op
) Py_SIZE(op)
#define
_PyList_ITEMS
(
op
) (((PyListObject *)(op))->ob_item)
#endif
#ifdef
__cplusplus
}
#endif
#endif
/* !Py_LISTOBJECT_H */
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