D7net
Home
Console
Upload
information
Create File
Create Folder
About
Tools
:
/
proc
/
thread-self
/
root
/
proc
/
thread-self
/
root
/
opt
/
alt
/
python34
/
include
/
python3.4m
/
Filename :
setobject.h
back
Copy
/* 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. */ #ifndef Py_LIMITED_API #define PySet_MINSIZE 8 typedef struct { /* Cached hash code of the key. */ PyObject *key; Py_hash_t hash; } 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, Py_hash_t hash); Py_hash_t hash; /* only used by frozenset objects */ setentry smalltable[PySet_MINSIZE]; PyObject *weakreflist; /* List of weak references */ }; #endif /* Py_LIMITED_API */ PyAPI_DATA(PyTypeObject) PySet_Type; PyAPI_DATA(PyTypeObject) PyFrozenSet_Type; PyAPI_DATA(PyTypeObject) PySetIter_Type; #ifndef Py_LIMITED_API PyAPI_DATA(PyObject *) _PySet_Dummy; #endif /* 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); #ifndef Py_LIMITED_API #define PySet_GET_SIZE(so) (((PySetObject *)(so))->used) #endif 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); #ifndef Py_LIMITED_API PyAPI_FUNC(int) _PySet_NextEntry(PyObject *set, Py_ssize_t *pos, PyObject **key, Py_hash_t *hash); #endif PyAPI_FUNC(PyObject *) PySet_Pop(PyObject *set); #ifndef Py_LIMITED_API PyAPI_FUNC(int) _PySet_Update(PyObject *set, PyObject *iterable); PyAPI_FUNC(int) PySet_ClearFreeList(void); #endif #ifdef __cplusplus } #endif #endif /* !Py_SETOBJECT_H */