checkpoint

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

src/framework/goal_shared_occs.cpp

@@ -0,0 +1,29 @@
+/*++
+Copyright (c) 2011 Microsoft Corporation
+
+Module Name:
+
+    goal_shared_occs.cpp
+
+Abstract:
+
+    Functor for computing the set of shared occurrences in a goal.
+
+Author:
+
+    Leonardo de Moura (leonardo) 2011-12-28
+
+Revision History:
+
+--*/
+#include"goal_shared_occs.h"
+
+void goal_shared_occs::operator()(goal const & g) {
+    m_occs.reset();
+    shared_occs_mark visited;
+    unsigned sz = g.size();
+    for (unsigned i = 0; i < sz; i++) {
+        expr * t = g.form(i);
+        m_occs(t, visited);
+    }
+}