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/* $Id$
*
* Transform concurrent signal assignment statements into equivalent
* processes.
*
* Copyright (C) 2009 FAUmachine Team <info@faumachine.org>.
* This program is free software. You can redistribute it and/or modify it
* under the terms of the GNU General Public License, either version 2 of
* the License, or (at your option) any later version. See COPYING.
*/
#ifndef __TRANSFORM_SIGASSIGN_HPP_INCLUDED
#define __TRANSFORM_SIGASSIGN_HPP_INCLUDED
#include <list>
#include "frontend/visitor/TopDownVisitor.hpp"
namespace ast {
//! Transform concurrent signal assignments into processes
/** This visitor will transform concurrent signal assignments into
* the equivalent process-statements.
*/
class TransformSigAssign : public TopDownVisitor {
public:
//! c'tor
TransformSigAssign() : sensitivities(std::list<SimpleName *>()),
workList(NULL),
deleteFlag(false),
pickupSignals(false) {}
private:
/** Visit an Architecture node.
* @param node Architecture node that get's visited.
*/
virtual void visit(Architecture &node);
/** Visit a CondalSigAssign node.
* @param node CondalSigAssign node that get's visited.
*/
virtual void visit(CondalSigAssign &node);
/** Visit a SigAssignStat
* @param node SigAssignStat node that gets visited.
*/
virtual void visit(SigAssignStat &node);
/** Visit a WaveFormElem
* @param node WaveFormElem node that gets visited.
*/
virtual void visit(WaveFormElem &node);
/** Visit a SimpleName node.
* @param node TemporaryName node that gets visited.
*/
virtual void visit(SimpleName &node);
//! current list of sensitivities
std::list<SimpleName *> sensitivities;
//! current traversed list of concurrent statements.
std::list<ConcurrentStat *> *workList;
//! delete currently traversed note?
bool deleteFlag;
//! pick up signals as sensitivities?
bool pickupSignals;
};
};
#endif /* __TRANSFORM_SIGASSIGN_HPP_INCLUDED */
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