tools/prune-trace: fault-space pruning tool

This tool creates the fault-space pruning pilot and group
entries. Those are used by the generic campaign to do fault
experiments.

Currently prune-trace only implements conventional def/use pruning
(--prune-method "basic").

Change-Id: I1dfb431e3b1d3cd2ee891a49a3b6ac01210be11f

tools/prune-trace/Pruner.hpp

@@ -0,0 +1,24 @@
+#ifndef __PRUNER_H__
+#define __PRUNER_H__
+
+#include "util/Database.hpp"
+
+class Pruner {
+protected:
+	int m_variant_id;
+    int m_method_id;
+    fail::Database *db;
+
+public:
+	bool init(const std::string &variant, const std::string &benchmark,
+              fail::Database *sql);
+
+    virtual std::string method_name() = 0;
+
+	virtual bool create_database();
+	virtual bool clear_database();
+
+    virtual bool prune_all() = 0;
+};
+
+#endif