| 1 | #ifndef Py_CPYTHON_TUPLEOBJECT_H |
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| 2 | # error "this header file must not be included directly" |
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| 3 | #endif |
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| 4 | |
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| 5 | typedef struct { |
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| 6 | PyObject_VAR_HEAD |
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| 7 | /* ob_item contains space for 'ob_size' elements. |
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| 8 | Items must normally not be NULL, except during construction when |
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| 9 | the tuple is not yet visible outside the function that builds it. */ |
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| 10 | PyObject *ob_item[1]; |
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| 11 | } PyTupleObject; |
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| 12 | |
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| 13 | PyAPI_FUNC(int) _PyTuple_Resize(PyObject **, Py_ssize_t); |
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| 14 | PyAPI_FUNC(void) _PyTuple_MaybeUntrack(PyObject *); |
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| 15 | |
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| 16 | /* Cast argument to PyTupleObject* type. */ |
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| 17 | #define _PyTuple_CAST(op) \ |
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| 18 | (assert(PyTuple_Check(op)), _Py_CAST(PyTupleObject*, (op))) |
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| 19 | |
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| 20 | // Macros and static inline functions, trading safety for speed |
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| 21 | |
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| 22 | static inline Py_ssize_t PyTuple_GET_SIZE(PyObject *op) { |
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| 23 | PyTupleObject *tuple = _PyTuple_CAST(op); |
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| 24 | return Py_SIZE(tuple); |
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| 25 | } |
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| 26 | #define PyTuple_GET_SIZE(op) PyTuple_GET_SIZE(_PyObject_CAST(op)) |
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| 27 | |
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| 28 | #define PyTuple_GET_ITEM(op, index) (_PyTuple_CAST(op)->ob_item[(index)]) |
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| 29 | |
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| 30 | /* Function *only* to be used to fill in brand new tuples */ |
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| 31 | static inline void |
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| 32 | PyTuple_SET_ITEM(PyObject *op, Py_ssize_t index, PyObject *value) { |
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| 33 | PyTupleObject *tuple = _PyTuple_CAST(op); |
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| 34 | tuple->ob_item[index] = value; |
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| 35 | } |
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| 36 | #define PyTuple_SET_ITEM(op, index, value) \ |
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| 37 | PyTuple_SET_ITEM(_PyObject_CAST(op), (index), _PyObject_CAST(value)) |
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| 38 | |
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| 39 | PyAPI_FUNC(void) _PyTuple_DebugMallocStats(FILE *out); |
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| 40 | |
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