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67 lines
2.5 KiB
67 lines
2.5 KiB
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/* List object interface */ |
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/* |
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Another generally useful object type is an list of object pointers. |
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This is a mutable type: the list items can be changed, and items can be |
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added or removed. Out-of-range indices or non-list objects are ignored. |
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*** WARNING *** PyList_SetItem does not increment the new item's reference |
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count, but does decrement the reference count of the item it replaces, |
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if not nil. It does *decrement* the reference count if it is *not* |
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inserted in the list. Similarly, PyList_GetItem does not increment the |
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returned item's reference count. |
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*/ |
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#ifndef Py_LISTOBJECT_H |
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#define Py_LISTOBJECT_H |
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#ifdef __cplusplus |
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extern "C" { |
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#endif |
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typedef struct { |
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PyObject_VAR_HEAD |
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/* Vector of pointers to list elements. list[0] is ob_item[0], etc. */ |
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PyObject **ob_item; |
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/* ob_item contains space for 'allocated' elements. The number |
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* currently in use is ob_size. |
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* Invariants: |
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* 0 <= ob_size <= allocated |
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* len(list) == ob_size |
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* ob_item == NULL implies ob_size == allocated == 0 |
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* list.sort() temporarily sets allocated to -1 to detect mutations. |
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* |
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* Items must normally not be NULL, except during construction when |
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* the list is not yet visible outside the function that builds it. |
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*/ |
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Py_ssize_t allocated; |
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} PyListObject; |
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PyAPI_DATA(PyTypeObject) PyList_Type; |
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#define PyList_Check(op) PyObject_TypeCheck(op, &PyList_Type) |
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#define PyList_CheckExact(op) ((op)->ob_type == &PyList_Type) |
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PyAPI_FUNC(PyObject *) PyList_New(Py_ssize_t size); |
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PyAPI_FUNC(Py_ssize_t) PyList_Size(PyObject *); |
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PyAPI_FUNC(PyObject *) PyList_GetItem(PyObject *, Py_ssize_t); |
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PyAPI_FUNC(int) PyList_SetItem(PyObject *, Py_ssize_t, PyObject *); |
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PyAPI_FUNC(int) PyList_Insert(PyObject *, Py_ssize_t, PyObject *); |
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PyAPI_FUNC(int) PyList_Append(PyObject *, PyObject *); |
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PyAPI_FUNC(PyObject *) PyList_GetSlice(PyObject *, Py_ssize_t, Py_ssize_t); |
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PyAPI_FUNC(int) PyList_SetSlice(PyObject *, Py_ssize_t, Py_ssize_t, PyObject *); |
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PyAPI_FUNC(int) PyList_Sort(PyObject *); |
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PyAPI_FUNC(int) PyList_Reverse(PyObject *); |
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PyAPI_FUNC(PyObject *) PyList_AsTuple(PyObject *); |
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PyAPI_FUNC(PyObject *) _PyList_Extend(PyListObject *, PyObject *); |
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/* Macro, trading safety for speed */ |
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#define PyList_GET_ITEM(op, i) (((PyListObject *)(op))->ob_item[i]) |
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#define PyList_SET_ITEM(op, i, v) (((PyListObject *)(op))->ob_item[i] = (v)) |
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#define PyList_GET_SIZE(op) (((PyListObject *)(op))->ob_size) |
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#ifdef __cplusplus |
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} |
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#endif |
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#endif /* !Py_LISTOBJECT_H */
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