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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 "mem/slicc/slicc_global.hh"
#include "mem/gems_common/Vector.hh"
#include "mem/slicc/symbols/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
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