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diff --git a/src/mem/slicc/symbols/Transition.hh b/src/mem/slicc/symbols/Transition.hh
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+
+/*
+ * Copyright (c) 1999-2008 Mark D. Hill and David A. Wood
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met: redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer;
+ * redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution;
+ * neither the name of the copyright holders nor the names of its
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+/*
+ * Transition.h
+ *
+ * Description:
+ *
+ * $Id$
+ *
+ * */
+
+#ifndef TRANSITION_H
+#define TRANSITION_H
+
+#include "slicc_global.hh"
+#include "Vector.hh"
+#include "Symbol.hh"
+
+class State;
+class Event;
+class Action;
+class Var;
+
+class Transition : public Symbol {
+public:
+  // Constructors
+  Transition(string state, string event, string nextState,
+             const Vector<string>& actionList,
+             const Location& location,
+             const Map<string, string>& pairMap);
+  // Destructor
+  ~Transition() { }
+
+  // Public Methods
+  State* getStatePtr() const { assert(m_statePtr != NULL); return m_statePtr; }
+  Event* getEventPtr() const { assert(m_eventPtr != NULL); return m_eventPtr; }
+  State* getNextStatePtr() const { assert(m_nextStatePtr != NULL); return m_nextStatePtr; }
+
+  //  int getStateIndex() const { assert(m_statePtr != NULL); return m_statePtr->getIndex(); }
+  //  int getEventIndex() const { assert(m_eventPtr != NULL); return m_eventPtr->getIndex(); }
+  //  int getNextStateIndex() const { assert(m_nextStatePtr != NULL); return m_nextStatePtr->getIndex(); }
+  void checkIdents(const Vector<State*>& states,
+                   const Vector<Event*>& events,
+                   const Vector<Action*>& actions);
+
+  const string& getStateShorthand() const;
+  const string& getEventShorthand() const;
+  const string& getNextStateShorthand() const;
+  string getActionShorthands() const;
+  const Vector<Action*>& getActions() const { assert(m_actionPtrsValid); return m_actionPtrs; }
+  const Map<Var*, string>& getResources() const { assert(m_actionPtrsValid); return m_resources; }
+
+  void print(ostream& out) const;
+
+  // Default copy constructor and assignment operator
+  // Transition(const Transition& obj);
+  // Transition& operator=(const Transition& obj);
+private:
+  // Private Methods
+  Event* findIndex(const Vector<Event*>& vec, string ident);
+  State* findIndex(const Vector<State*>& vec, string ident);
+  Action* findIndex(const Vector<Action*>& vec, string ident);
+
+  // Data Members (m_ prefix)
+  string m_state;
+  string m_event;
+  string m_nextState;
+
+  State* m_statePtr;
+  Event* m_eventPtr;
+  State* m_nextStatePtr;
+
+  Vector<string> m_actionList;
+  Vector<Action*> m_actionPtrs;
+  Map<Var*, string> m_resources;
+  bool m_actionPtrsValid;
+};
+
+// Output operator declaration
+ostream& operator<<(ostream& out, const Transition& obj);
+
+// ******************* Definitions *******************
+
+// Output operator definition
+extern inline
+ostream& operator<<(ostream& out, const Transition& obj)
+{
+  obj.print(out);
+  out << flush;
+  return out;
+}
+
+#endif //TRANSITION_H