39 lines
1.3 KiB
C
39 lines
1.3 KiB
C
#ifndef Py_CPYTHON_TUPLEOBJECT_H
|
|
# error "this header file must not be included directly"
|
|
#endif
|
|
|
|
typedef struct {
|
|
PyObject_VAR_HEAD
|
|
/* ob_item contains space for 'ob_size' elements.
|
|
Items must normally not be NULL, except during construction when
|
|
the tuple is not yet visible outside the function that builds it. */
|
|
PyObject *ob_item[1];
|
|
} PyTupleObject;
|
|
|
|
PyAPI_FUNC(int) _PyTuple_Resize(PyObject **, Py_ssize_t);
|
|
|
|
/* Cast argument to PyTupleObject* type. */
|
|
#define _PyTuple_CAST(op) \
|
|
(assert(PyTuple_Check(op)), _Py_CAST(PyTupleObject*, (op)))
|
|
|
|
// Macros and static inline functions, trading safety for speed
|
|
|
|
static inline Py_ssize_t PyTuple_GET_SIZE(PyObject *op) {
|
|
PyTupleObject *tuple = _PyTuple_CAST(op);
|
|
return Py_SIZE(tuple);
|
|
}
|
|
#define PyTuple_GET_SIZE(op) PyTuple_GET_SIZE(_PyObject_CAST(op))
|
|
|
|
#define PyTuple_GET_ITEM(op, index) (_PyTuple_CAST(op)->ob_item[(index)])
|
|
|
|
/* Function *only* to be used to fill in brand new tuples */
|
|
static inline void
|
|
PyTuple_SET_ITEM(PyObject *op, Py_ssize_t index, PyObject *value) {
|
|
PyTupleObject *tuple = _PyTuple_CAST(op);
|
|
assert(0 <= index);
|
|
assert(index < Py_SIZE(tuple));
|
|
tuple->ob_item[index] = value;
|
|
}
|
|
#define PyTuple_SET_ITEM(op, index, value) \
|
|
PyTuple_SET_ITEM(_PyObject_CAST(op), (index), _PyObject_CAST(value))
|