diff -r ffa851df0825 -r 2fb8b9db1c86 symbian-qemu-0.9.1-12/python-2.6.1/Include/setobject.h --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/symbian-qemu-0.9.1-12/python-2.6.1/Include/setobject.h Fri Jul 31 15:01:17 2009 +0100 @@ -0,0 +1,99 @@ +/* Set object interface */ + +#ifndef Py_SETOBJECT_H +#define Py_SETOBJECT_H +#ifdef __cplusplus +extern "C" { +#endif + + +/* +There are three kinds of slots in the table: + +1. Unused: key == NULL +2. Active: key != NULL and key != dummy +3. Dummy: key == dummy + +Note: .pop() abuses the hash field of an Unused or Dummy slot to +hold a search finger. The hash field of Unused or Dummy slots has +no meaning otherwise. +*/ + +#define PySet_MINSIZE 8 + +typedef struct { + long hash; /* cached hash code for the entry key */ + PyObject *key; +} setentry; + + +/* +This data structure is shared by set and frozenset objects. +*/ + +typedef struct _setobject PySetObject; +struct _setobject { + PyObject_HEAD + + Py_ssize_t fill; /* # Active + # Dummy */ + Py_ssize_t used; /* # Active */ + + /* The table contains mask + 1 slots, and that's a power of 2. + * We store the mask instead of the size because the mask is more + * frequently needed. + */ + Py_ssize_t mask; + + /* table points to smalltable for small tables, else to + * additional malloc'ed memory. table is never NULL! This rule + * saves repeated runtime null-tests. + */ + setentry *table; + setentry *(*lookup)(PySetObject *so, PyObject *key, long hash); + setentry smalltable[PySet_MINSIZE]; + + long hash; /* only used by frozenset objects */ + PyObject *weakreflist; /* List of weak references */ +}; + +PyAPI_DATA(PyTypeObject) PySet_Type; +PyAPI_DATA(PyTypeObject) PyFrozenSet_Type; + +/* Invariants for frozensets: + * data is immutable. + * hash is the hash of the frozenset or -1 if not computed yet. + * Invariants for sets: + * hash is -1 + */ + +#define PyFrozenSet_CheckExact(ob) (Py_TYPE(ob) == &PyFrozenSet_Type) +#define PyAnySet_CheckExact(ob) \ + (Py_TYPE(ob) == &PySet_Type || Py_TYPE(ob) == &PyFrozenSet_Type) +#define PyAnySet_Check(ob) \ + (Py_TYPE(ob) == &PySet_Type || Py_TYPE(ob) == &PyFrozenSet_Type || \ + PyType_IsSubtype(Py_TYPE(ob), &PySet_Type) || \ + PyType_IsSubtype(Py_TYPE(ob), &PyFrozenSet_Type)) +#define PySet_Check(ob) \ + (Py_TYPE(ob) == &PySet_Type || \ + PyType_IsSubtype(Py_TYPE(ob), &PySet_Type)) +#define PyFrozenSet_Check(ob) \ + (Py_TYPE(ob) == &PyFrozenSet_Type || \ + PyType_IsSubtype(Py_TYPE(ob), &PyFrozenSet_Type)) + +PyAPI_FUNC(PyObject *) PySet_New(PyObject *); +PyAPI_FUNC(PyObject *) PyFrozenSet_New(PyObject *); +PyAPI_FUNC(Py_ssize_t) PySet_Size(PyObject *anyset); +#define PySet_GET_SIZE(so) (((PySetObject *)(so))->used) +PyAPI_FUNC(int) PySet_Clear(PyObject *set); +PyAPI_FUNC(int) PySet_Contains(PyObject *anyset, PyObject *key); +PyAPI_FUNC(int) PySet_Discard(PyObject *set, PyObject *key); +PyAPI_FUNC(int) PySet_Add(PyObject *set, PyObject *key); +PyAPI_FUNC(int) _PySet_Next(PyObject *set, Py_ssize_t *pos, PyObject **key); +PyAPI_FUNC(int) _PySet_NextEntry(PyObject *set, Py_ssize_t *pos, PyObject **key, long *hash); +PyAPI_FUNC(PyObject *) PySet_Pop(PyObject *set); +PyAPI_FUNC(int) _PySet_Update(PyObject *set, PyObject *iterable); + +#ifdef __cplusplus +} +#endif +#endif /* !Py_SETOBJECT_H */