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bpo-35199: Add an internal _PyTuple_ITEMS() macro (GH-10434)

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* _PyTuple_ITEMS() gives access to the tuple->ob_item field and cast the
  first argument to PyTupleObject*. This internal macro is only usable if
  Py_BUILD_CORE is defined.
* Replace &PyTuple_GET_ITEM(ob, 0) with _PyTuple_ITEMS(ob).
* Replace PyTuple_GET_ITEM(op, 1) with &_PyTuple_ITEMS(ob)[1].
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Victor Stinner 2018-11-09 16:56:48 +01:00 • committed by GitHub
parent 130893debf
commit d17a693fa0
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9 changed files with 27 additions and 23 deletions
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Include/tupleobject.h
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@ -58,6 +58,10 @@ PyAPI_FUNC(void) _PyTuple_MaybeUntrack(PyObject *);
#define PyTuple_GET_ITEM(op, i) (((PyTupleObject *)(op))->ob_item[i])
#define PyTuple_GET_SIZE(op) (assert(PyTuple_Check(op)),Py_SIZE(op))
#ifdef Py_BUILD_CORE
# define _PyTuple_ITEMS(op) ((((PyTupleObject *)(op))->ob_item))
#endif
/* Macro, *only* to be used to fill in brand new tuples */
#define PyTuple_SET_ITEM(op, i, v) (((PyTupleObject *)(op))->ob_item[i] = v)
#endif