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54 lines
1.8 KiB
C
54 lines
1.8 KiB
C
#ifndef Ty_CPYTHON_LISTOBJECT_H
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# error "this header file must not be included directly"
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#endif
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typedef struct {
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PyObject_VAR_HEAD
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/* Vector of pointers to list elements. list[0] is ob_item[0], etc. */
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TyObject **ob_item;
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/* ob_item contains space for 'allocated' elements. The number
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* currently in use is ob_size.
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* Invariants:
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* 0 <= ob_size <= allocated
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* len(list) == ob_size
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* ob_item == NULL implies ob_size == allocated == 0
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* list.sort() temporarily sets allocated to -1 to detect mutations.
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*
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* Items must normally not be NULL, except during construction when
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* the list is not yet visible outside the function that builds it.
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*/
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Ty_ssize_t allocated;
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} PyListObject;
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/* Cast argument to PyListObject* type. */
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#define _TyList_CAST(op) \
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(assert(TyList_Check(op)), _Py_CAST(PyListObject*, (op)))
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// Macros and static inline functions, trading safety for speed
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static inline Ty_ssize_t TyList_GET_SIZE(TyObject *op) {
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PyListObject *list = _TyList_CAST(op);
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#ifdef Ty_GIL_DISABLED
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return _Ty_atomic_load_ssize_relaxed(&(_PyVarObject_CAST(list)->ob_size));
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#else
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return Ty_SIZE(list);
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#endif
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}
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#define TyList_GET_SIZE(op) TyList_GET_SIZE(_TyObject_CAST(op))
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#define TyList_GET_ITEM(op, index) (_TyList_CAST(op)->ob_item[(index)])
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static inline void
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TyList_SET_ITEM(TyObject *op, Ty_ssize_t index, TyObject *value) {
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PyListObject *list = _TyList_CAST(op);
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assert(0 <= index);
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assert(index < list->allocated);
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list->ob_item[index] = value;
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}
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#define TyList_SET_ITEM(op, index, value) \
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TyList_SET_ITEM(_TyObject_CAST(op), (index), _TyObject_CAST(value))
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PyAPI_FUNC(int) TyList_Extend(TyObject *self, TyObject *iterable);
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PyAPI_FUNC(int) TyList_Clear(TyObject *self);
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