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74 lines
2.4 KiB
74 lines
2.4 KiB
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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 a tuple of object pointers.
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For Python, this is an immutable type. C code can change the tuple items
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(but not their number), and even use tuples are general-purpose arrays of
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object references, but in general only brand new tuples should be mutated,
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not ones that might already have been exposed to Python code.
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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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#ifndef Py_LIMITED_API
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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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/* ob_item contains space for 'ob_size' elements.
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* Items must normally not be NULL, except during construction when
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* the tuple is not yet visible outside the function that builds it.
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*/
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} PyTupleObject;
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#endif
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PyAPI_DATA(PyTypeObject) PyTuple_Type;
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PyAPI_DATA(PyTypeObject) PyTupleIter_Type;
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#define PyTuple_Check(op) \
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PyType_FastSubclass(Py_TYPE(op), Py_TPFLAGS_TUPLE_SUBCLASS)
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#define PyTuple_CheckExact(op) (Py_TYPE(op) == &PyTuple_Type)
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PyAPI_FUNC(PyObject *) PyTuple_New(Py_ssize_t size);
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PyAPI_FUNC(Py_ssize_t) PyTuple_Size(PyObject *);
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PyAPI_FUNC(PyObject *) PyTuple_GetItem(PyObject *, Py_ssize_t);
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PyAPI_FUNC(int) PyTuple_SetItem(PyObject *, Py_ssize_t, PyObject *);
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PyAPI_FUNC(PyObject *) PyTuple_GetSlice(PyObject *, Py_ssize_t, Py_ssize_t);
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#ifndef Py_LIMITED_API
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PyAPI_FUNC(int) _PyTuple_Resize(PyObject **, Py_ssize_t);
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#endif
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PyAPI_FUNC(PyObject *) PyTuple_Pack(Py_ssize_t, ...);
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#ifndef Py_LIMITED_API
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PyAPI_FUNC(void) _PyTuple_MaybeUntrack(PyObject *);
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#endif
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/* Macro, trading safety for speed */
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#ifndef Py_LIMITED_API
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#define PyTuple_GET_ITEM(op, i) (((PyTupleObject *)(op))->ob_item[i])
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#define PyTuple_GET_SIZE(op) Py_SIZE(op)
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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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#endif
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PyAPI_FUNC(int) PyTuple_ClearFreeList(void);
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#ifndef Py_LIMITED_API
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PyAPI_FUNC(void) _PyTuple_DebugMallocStats(FILE *out);
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#endif /* Py_LIMITED_API */
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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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