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50 lines
1.6 KiB
50 lines
1.6 KiB
14 years ago
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/* Tuple object interface */
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#ifndef Py_TUPLEOBJECT_H
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#define Py_TUPLEOBJECT_H
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#ifdef __cplusplus
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extern "C" {
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#endif
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/*
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Another generally useful object type is an tuple of object pointers.
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This is a mutable type: the tuple items can be changed (but not their
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number). Out-of-range indices or non-tuple objects are ignored.
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*** WARNING *** PyTuple_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 tuple. Similarly, PyTuple_GetItem does not increment the
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returned item's reference count.
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*/
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typedef struct {
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PyObject_VAR_HEAD
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PyObject *ob_item[1];
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} PyTupleObject;
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PyAPI_DATA(PyTypeObject) PyTuple_Type;
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#define PyTuple_Check(op) PyObject_TypeCheck(op, &PyTuple_Type)
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#define PyTuple_CheckExact(op) ((op)->ob_type == &PyTuple_Type)
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PyAPI_FUNC(PyObject *) PyTuple_New(int size);
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PyAPI_FUNC(int) PyTuple_Size(PyObject *);
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PyAPI_FUNC(PyObject *) PyTuple_GetItem(PyObject *, int);
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PyAPI_FUNC(int) PyTuple_SetItem(PyObject *, int, PyObject *);
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PyAPI_FUNC(PyObject *) PyTuple_GetSlice(PyObject *, int, int);
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PyAPI_FUNC(int) _PyTuple_Resize(PyObject **, int);
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/* Macro, trading safety for speed */
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#define PyTuple_GET_ITEM(op, i) (((PyTupleObject *)(op))->ob_item[i])
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#define PyTuple_GET_SIZE(op) (((PyTupleObject *)(op))->ob_size)
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/* Macro, *only* to be used to fill in brand new tuples */
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#define PyTuple_SET_ITEM(op, i, v) (((PyTupleObject *)(op))->ob_item[i] = v)
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#ifdef __cplusplus
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}
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#endif
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#endif /* !Py_TUPLEOBJECT_H */
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