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authorRaymond Hettinger <python@rcn.com>2013-09-08 00:41:01 (GMT)
committerRaymond Hettinger <python@rcn.com>2013-09-08 00:41:01 (GMT)
commit04fd9dd52bc81041126cb8df86a5e7629113a193 (patch)
treea8bb310577d6aa84e84598bff08224c4180f1235 /Objects/setobject.c
parentae7b00e2d3b92991ef1d7685f2bd4b15e5263b84 (diff)
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Small rearrangement to bring together the three functions for probing the hash table.
Diffstat (limited to 'Objects/setobject.c')
-rw-r--r--Objects/setobject.c71
1 files changed, 39 insertions, 32 deletions
diff --git a/Objects/setobject.c b/Objects/setobject.c
index b63a966..362273a 100644
--- a/Objects/setobject.c
+++ b/Objects/setobject.c
@@ -64,6 +64,9 @@ PyObject *_PySet_Dummy = dummy;
static PySetObject *free_list[PySet_MAXFREELIST];
static int numfree = 0;
+/* ======================================================================== */
+/* ======= Begin logic for probing the hash table ========================= */
+
static setentry *
set_lookkey(PySetObject *so, PyObject *key, Py_hash_t hash)
{
@@ -198,38 +201,6 @@ set_lookkey_unicode(PySetObject *so, PyObject *key, Py_hash_t hash)
}
/*
-Internal routine to insert a new key into the table.
-Used by the public insert routine.
-Eats a reference to key.
-*/
-static int
-set_insert_key(PySetObject *so, PyObject *key, Py_hash_t hash)
-{
- setentry *entry;
-
- assert(so->lookup != NULL);
- entry = so->lookup(so, key, hash);
- if (entry == NULL)
- return -1;
- if (entry->key == NULL) {
- /* UNUSED */
- so->fill++;
- entry->key = key;
- entry->hash = hash;
- so->used++;
- } else if (entry->key == dummy) {
- /* DUMMY */
- entry->key = key;
- entry->hash = hash;
- so->used++;
- } else {
- /* ACTIVE */
- Py_DECREF(key);
- }
- return 0;
-}
-
-/*
Internal routine used by set_table_resize() to insert an item which is
known to be absent from the set. This routine also assumes that
the set contains no deleted entries. Besides the performance benefit,
@@ -266,6 +237,42 @@ set_insert_clean(PySetObject *so, PyObject *key, Py_hash_t hash)
so->used++;
}
+/* ======== End logic for probing the hash table ========================== */
+/* ======================================================================== */
+
+
+/*
+Internal routine to insert a new key into the table.
+Used by the public insert routine.
+Eats a reference to key.
+*/
+static int
+set_insert_key(PySetObject *so, PyObject *key, Py_hash_t hash)
+{
+ setentry *entry;
+
+ assert(so->lookup != NULL);
+ entry = so->lookup(so, key, hash);
+ if (entry == NULL)
+ return -1;
+ if (entry->key == NULL) {
+ /* UNUSED */
+ so->fill++;
+ entry->key = key;
+ entry->hash = hash;
+ so->used++;
+ } else if (entry->key == dummy) {
+ /* DUMMY */
+ entry->key = key;
+ entry->hash = hash;
+ so->used++;
+ } else {
+ /* ACTIVE */
+ Py_DECREF(key);
+ }
+ return 0;
+}
+
/*
Restructure the table by allocating a new table and reinserting all
keys again. When entries have been deleted, the new table may