Z3 sources

Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>

lib/dec_ref_util.h

@@ -0,0 +1,68 @@
+/*++
+Copyright (c) 2011 Microsoft Corporation
+
+Module Name:
+
+    map_util.h
+
+Abstract:
+
+    Some goodies for managing reference counters
+    stored in maps.
+
+Author:
+
+    Leonardo (leonardo) 2011-06-07
+
+Notes:
+
+--*/
+#ifndef _MAP_UTIL_H_
+#define _MAP_UTIL_H_
+
+/**
+   \brief Decrement the reference counter of the keys and values stored in the map,
+   then reset the map.
+*/
+template<typename Mng, typename Map>
+void dec_ref_key_values(Mng & m, Map & map) {
+    typename Map::iterator it  = map.begin();
+    typename Map::iterator end = map.end();
+    for (; it != end; ++it) {
+        m.dec_ref(it->m_key);
+        m.dec_ref(it->m_value);
+    }
+    map.reset();
+}
+
+/**
+   \brief Decrement the reference counter of the keys stored in the map,
+   then reset the map.
+*/
+template<typename Mng, typename Map>
+void dec_ref_keys(Mng & m, Map & map) {
+    typename Map::iterator it  = map.begin();
+    typename Map::iterator end = map.end();
+    for (; it != end; ++it) {
+        m.dec_ref(it->m_key);
+    }
+    map.reset();
+}
+
+
+/**
+   \brief Decrement the reference counter of the values stored in the map,
+   then reset the map.
+*/
+template<typename Mng, typename Map>
+void dec_ref_values(Mng & m, Map & map) {
+    typename Map::iterator it  = map.begin();
+    typename Map::iterator end = map.end();
+    for (; it != end; ++it) {
+        m.dec_ref(it->m_value);
+    }
+    map.reset();
+}
+
+
+#endif