Z3 sources

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

lib/goal_util.cpp

@@ -0,0 +1,33 @@
+/*++
+Copyright (c) 2012 Microsoft Corporation
+
+Module Name:
+
+    goal_util.cpp
+
+Abstract:
+
+    goal goodies.
+
+Author:
+
+    Leonardo de Moura (leonardo) 2012-01-03.
+
+Revision History:
+
+--*/
+#include"goal_util.h"
+#include"goal.h"
+
+struct has_term_ite_functor {
+    struct found {};
+    ast_manager & m;
+    has_term_ite_functor(ast_manager & _m):m(_m) {}
+    void operator()(var *) {}
+    void operator()(quantifier *) {}
+    void operator()(app * n) { if (m.is_term_ite(n)) throw found(); }
+};
+
+bool has_term_ite(goal const & g) {
+    return test<has_term_ite_functor>(g);
+}