symbian-qemu-0.9.1-12/python-win32-2.6.1/include/setobject.h
changeset 1 2fb8b9db1c86
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/symbian-qemu-0.9.1-12/python-win32-2.6.1/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 */