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617c7753ce
KeyError could be raised when cached function with full cache was simultaneously called from differen threads with the same uncached arguments.
179 lines
7.1 KiB
C
179 lines
7.1 KiB
C
#ifndef Py_DICTOBJECT_H
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#define Py_DICTOBJECT_H
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#ifdef __cplusplus
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extern "C" {
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#endif
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/* Dictionary object type -- mapping from hashable object to object */
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/* The distribution includes a separate file, Objects/dictnotes.txt,
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describing explorations into dictionary design and optimization.
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It covers typical dictionary use patterns, the parameters for
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tuning dictionaries, and several ideas for possible optimizations.
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*/
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#ifndef Py_LIMITED_API
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typedef struct _dictkeysobject PyDictKeysObject;
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/* The ma_values pointer is NULL for a combined table
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* or points to an array of PyObject* for a split table
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*/
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typedef struct {
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PyObject_HEAD
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/* Number of items in the dictionary */
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Py_ssize_t ma_used;
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/* Dictionary version: globally unique, value change each time
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the dictionary is modified */
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uint64_t ma_version_tag;
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PyDictKeysObject *ma_keys;
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/* If ma_values is NULL, the table is "combined": keys and values
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are stored in ma_keys.
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If ma_values is not NULL, the table is splitted:
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keys are stored in ma_keys and values are stored in ma_values */
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PyObject **ma_values;
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} PyDictObject;
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typedef struct {
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PyObject_HEAD
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PyDictObject *dv_dict;
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} _PyDictViewObject;
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#endif /* Py_LIMITED_API */
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PyAPI_DATA(PyTypeObject) PyDict_Type;
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PyAPI_DATA(PyTypeObject) PyDictIterKey_Type;
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PyAPI_DATA(PyTypeObject) PyDictIterValue_Type;
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PyAPI_DATA(PyTypeObject) PyDictIterItem_Type;
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PyAPI_DATA(PyTypeObject) PyDictKeys_Type;
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PyAPI_DATA(PyTypeObject) PyDictItems_Type;
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PyAPI_DATA(PyTypeObject) PyDictValues_Type;
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#define PyDict_Check(op) \
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PyType_FastSubclass(Py_TYPE(op), Py_TPFLAGS_DICT_SUBCLASS)
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#define PyDict_CheckExact(op) (Py_TYPE(op) == &PyDict_Type)
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#define PyDictKeys_Check(op) PyObject_TypeCheck(op, &PyDictKeys_Type)
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#define PyDictItems_Check(op) PyObject_TypeCheck(op, &PyDictItems_Type)
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#define PyDictValues_Check(op) PyObject_TypeCheck(op, &PyDictValues_Type)
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/* This excludes Values, since they are not sets. */
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# define PyDictViewSet_Check(op) \
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(PyDictKeys_Check(op) || PyDictItems_Check(op))
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PyAPI_FUNC(PyObject *) PyDict_New(void);
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PyAPI_FUNC(PyObject *) PyDict_GetItem(PyObject *mp, PyObject *key);
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#ifndef Py_LIMITED_API
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PyAPI_FUNC(PyObject *) _PyDict_GetItem_KnownHash(PyObject *mp, PyObject *key,
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Py_hash_t hash);
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#endif
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PyAPI_FUNC(PyObject *) PyDict_GetItemWithError(PyObject *mp, PyObject *key);
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#ifndef Py_LIMITED_API
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PyAPI_FUNC(PyObject *) _PyDict_GetItemIdWithError(PyObject *dp,
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struct _Py_Identifier *key);
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PyAPI_FUNC(PyObject *) PyDict_SetDefault(
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PyObject *mp, PyObject *key, PyObject *defaultobj);
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#endif
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PyAPI_FUNC(int) PyDict_SetItem(PyObject *mp, PyObject *key, PyObject *item);
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#ifndef Py_LIMITED_API
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PyAPI_FUNC(int) _PyDict_SetItem_KnownHash(PyObject *mp, PyObject *key,
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PyObject *item, Py_hash_t hash);
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#endif
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PyAPI_FUNC(int) PyDict_DelItem(PyObject *mp, PyObject *key);
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#ifndef Py_LIMITED_API
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PyAPI_FUNC(int) _PyDict_DelItem_KnownHash(PyObject *mp, PyObject *key,
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Py_hash_t hash);
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PyAPI_FUNC(int) _PyDict_DelItemIf(PyObject *mp, PyObject *key,
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int (*predicate)(PyObject *value));
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#endif
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PyAPI_FUNC(void) PyDict_Clear(PyObject *mp);
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PyAPI_FUNC(int) PyDict_Next(
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PyObject *mp, Py_ssize_t *pos, PyObject **key, PyObject **value);
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#ifndef Py_LIMITED_API
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PyDictKeysObject *_PyDict_NewKeysForClass(void);
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PyAPI_FUNC(PyObject *) PyObject_GenericGetDict(PyObject *, void *);
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PyAPI_FUNC(int) _PyDict_Next(
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PyObject *mp, Py_ssize_t *pos, PyObject **key, PyObject **value, Py_hash_t *hash);
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PyObject *_PyDictView_New(PyObject *, PyTypeObject *);
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#endif
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PyAPI_FUNC(PyObject *) PyDict_Keys(PyObject *mp);
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PyAPI_FUNC(PyObject *) PyDict_Values(PyObject *mp);
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PyAPI_FUNC(PyObject *) PyDict_Items(PyObject *mp);
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PyAPI_FUNC(Py_ssize_t) PyDict_Size(PyObject *mp);
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PyAPI_FUNC(PyObject *) PyDict_Copy(PyObject *mp);
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PyAPI_FUNC(int) PyDict_Contains(PyObject *mp, PyObject *key);
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#ifndef Py_LIMITED_API
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/* Get the number of items of a dictionary. */
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#define PyDict_GET_SIZE(mp) (assert(PyDict_Check(mp)),((PyDictObject *)mp)->ma_used)
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PyAPI_FUNC(int) _PyDict_Contains(PyObject *mp, PyObject *key, Py_hash_t hash);
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PyAPI_FUNC(PyObject *) _PyDict_NewPresized(Py_ssize_t minused);
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PyAPI_FUNC(void) _PyDict_MaybeUntrack(PyObject *mp);
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PyAPI_FUNC(int) _PyDict_HasOnlyStringKeys(PyObject *mp);
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Py_ssize_t _PyDict_KeysSize(PyDictKeysObject *keys);
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Py_ssize_t _PyDict_SizeOf(PyDictObject *);
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PyAPI_FUNC(PyObject *) _PyDict_Pop(PyObject *, PyObject *, PyObject *);
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PyObject *_PyDict_Pop_KnownHash(PyObject *, PyObject *, Py_hash_t, PyObject *);
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PyObject *_PyDict_FromKeys(PyObject *, PyObject *, PyObject *);
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#define _PyDict_HasSplitTable(d) ((d)->ma_values != NULL)
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PyAPI_FUNC(int) PyDict_ClearFreeList(void);
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#endif
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/* PyDict_Update(mp, other) is equivalent to PyDict_Merge(mp, other, 1). */
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PyAPI_FUNC(int) PyDict_Update(PyObject *mp, PyObject *other);
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/* PyDict_Merge updates/merges from a mapping object (an object that
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supports PyMapping_Keys() and PyObject_GetItem()). If override is true,
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the last occurrence of a key wins, else the first. The Python
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dict.update(other) is equivalent to PyDict_Merge(dict, other, 1).
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*/
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PyAPI_FUNC(int) PyDict_Merge(PyObject *mp,
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PyObject *other,
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int override);
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#ifndef Py_LIMITED_API
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/* Like PyDict_Merge, but override can be 0, 1 or 2. If override is 0,
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the first occurrence of a key wins, if override is 1, the last occurrence
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of a key wins, if override is 2, a KeyError with conflicting key as
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argument is raised.
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*/
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PyAPI_FUNC(int) _PyDict_MergeEx(PyObject *mp, PyObject *other, int override);
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PyAPI_FUNC(PyObject *) _PyDictView_Intersect(PyObject* self, PyObject *other);
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#endif
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/* PyDict_MergeFromSeq2 updates/merges from an iterable object producing
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iterable objects of length 2. If override is true, the last occurrence
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of a key wins, else the first. The Python dict constructor dict(seq2)
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is equivalent to dict={}; PyDict_MergeFromSeq(dict, seq2, 1).
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*/
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PyAPI_FUNC(int) PyDict_MergeFromSeq2(PyObject *d,
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PyObject *seq2,
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int override);
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PyAPI_FUNC(PyObject *) PyDict_GetItemString(PyObject *dp, const char *key);
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#ifndef Py_LIMITED_API
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PyAPI_FUNC(PyObject *) _PyDict_GetItemId(PyObject *dp, struct _Py_Identifier *key);
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#endif /* !Py_LIMITED_API */
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PyAPI_FUNC(int) PyDict_SetItemString(PyObject *dp, const char *key, PyObject *item);
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#ifndef Py_LIMITED_API
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PyAPI_FUNC(int) _PyDict_SetItemId(PyObject *dp, struct _Py_Identifier *key, PyObject *item);
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#endif /* !Py_LIMITED_API */
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PyAPI_FUNC(int) PyDict_DelItemString(PyObject *dp, const char *key);
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#ifndef Py_LIMITED_API
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PyAPI_FUNC(int) _PyDict_DelItemId(PyObject *mp, struct _Py_Identifier *key);
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PyAPI_FUNC(void) _PyDict_DebugMallocStats(FILE *out);
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int _PyObjectDict_SetItem(PyTypeObject *tp, PyObject **dictptr, PyObject *name, PyObject *value);
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PyObject *_PyDict_LoadGlobal(PyDictObject *, PyDictObject *, PyObject *);
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#endif
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#ifdef __cplusplus
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}
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#endif
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#endif /* !Py_DICTOBJECT_H */
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