mirror of
https://github.com/python/cpython.git
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109 lines
4.3 KiB
C
109 lines
4.3 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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PyAPI_DATA(PyTypeObject) PyDict_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_IS_TYPE((op), &PyDict_Type)
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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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PyAPI_FUNC(PyObject *) PyDict_GetItemWithError(PyObject *mp, PyObject *key);
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PyAPI_FUNC(int) PyDict_SetItem(PyObject *mp, PyObject *key, PyObject *item);
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PyAPI_FUNC(int) PyDict_DelItem(PyObject *mp, PyObject *key);
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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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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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/* 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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/* 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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PyAPI_FUNC(int) PyDict_SetItemString(PyObject *dp, const char *key, PyObject *item);
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PyAPI_FUNC(int) PyDict_DelItemString(PyObject *dp, const char *key);
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#if !defined(Py_LIMITED_API) || Py_LIMITED_API+0 >= 0x030D0000
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// Return the object from dictionary *op* which has a key *key*.
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// - If the key is present, set *result to a new strong reference to the value
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// and return 1.
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// - If the key is missing, set *result to NULL and return 0 .
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// - On error, raise an exception and return -1.
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PyAPI_FUNC(int) PyDict_GetItemRef(PyObject *mp, PyObject *key, PyObject **result);
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PyAPI_FUNC(int) PyDict_GetItemStringRef(PyObject *mp, const char *key, PyObject **result);
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#endif
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#if !defined(Py_LIMITED_API) || Py_LIMITED_API+0 >= 0x030A0000
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PyAPI_FUNC(PyObject *) PyObject_GenericGetDict(PyObject *, void *);
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#endif
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/* Dictionary (keys, values, items) views */
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PyAPI_DATA(PyTypeObject) PyDictKeys_Type;
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PyAPI_DATA(PyTypeObject) PyDictValues_Type;
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PyAPI_DATA(PyTypeObject) PyDictItems_Type;
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#define PyDictKeys_Check(op) PyObject_TypeCheck((op), &PyDictKeys_Type)
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#define PyDictValues_Check(op) PyObject_TypeCheck((op), &PyDictValues_Type)
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#define PyDictItems_Check(op) PyObject_TypeCheck((op), &PyDictItems_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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/* Dictionary (key, value, items) iterators */
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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) PyDictRevIterKey_Type;
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PyAPI_DATA(PyTypeObject) PyDictRevIterItem_Type;
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PyAPI_DATA(PyTypeObject) PyDictRevIterValue_Type;
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#ifndef Py_LIMITED_API
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# define Py_CPYTHON_DICTOBJECT_H
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# include "cpython/dictobject.h"
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# undef Py_CPYTHON_DICTOBJECT_H
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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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