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https://github.com/python/cpython
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89a39461bf
exposed in header files. Fixed a few comments in these headers. As we might have expected, writing down invariants systematically exposed a (minor) bug. In this case, function objects have a writeable func_code attribute, which could be set to code objects with the wrong number of free variables. Calling the resulting function segfaulted the interpreter. Added a corresponding test.
29 lines
653 B
C
29 lines
653 B
C
/* Cell object interface */
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#ifndef Py_CELLOBJECT_H
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#define Py_CELLOBJECT_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_HEAD
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PyObject *ob_ref; /* Content of the cell or NULL when empty */
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} PyCellObject;
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PyAPI_DATA(PyTypeObject) PyCell_Type;
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#define PyCell_Check(op) ((op)->ob_type == &PyCell_Type)
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PyAPI_FUNC(PyObject *) PyCell_New(PyObject *);
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PyAPI_FUNC(PyObject *) PyCell_Get(PyObject *);
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PyAPI_FUNC(int) PyCell_Set(PyObject *, PyObject *);
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#define PyCell_GET(op) (((PyCellObject *)(op))->ob_ref)
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#define PyCell_SET(op, v) (((PyCellObject *)(op))->ob_ref = 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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