Z3 sources

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

lib/instruction_count.h

@@ -0,0 +1,43 @@
+/*++
+Copyright (c) 2009 Microsoft Corporation
+
+Module Name:
+
+    instruction_count.h
+
+Abstract:
+
+    <abstract>
+
+Author:
+
+    Nikolaj Bjorner (nbjorner) 2009-03-04.
+
+Revision History:
+
+--*/
+#ifndef _INSTRUCTION_COUNT_H_
+#define _INSTRUCTION_COUNT_H_
+
+
+/**
+   \brief Wrapper for an instruction counter.
+*/
+class instruction_count {
+    unsigned long long m_count;
+public:
+    instruction_count() : m_count(0) {}
+
+    ~instruction_count() {}
+
+    void start();
+
+    double get_num_instructions();
+
+    bool is_instruction_maxed(double max_instr) { 
+        return max_instr > 0.0 && get_num_instructions() > max_instr; 
+    }
+};
+
+#endif /* _INSTRUcTION_COUNT_H_ */
+