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/* $Id$
* WarnUnused: Visitor to emit a warning if a variable/constant/signal is
* unused.
*
* Copyright (C) 2008-2009 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 __WARN_UNUSED_HPP_INCLUDED
#define __WARN_UNUSED_HPP_INCLUDED
#include "frontend/visitor/TopDownVisitor.hpp"
namespace ast {
//! warn if variables/signals are unused.
class WarnUnused : public TopDownVisitor {
public:
//! c'tor
WarnUnused() {}
private:
//! Process a generic ValDeclaration.
/** This function will get called for each ValDeclaration (or class
* derived from ValDeclaration) that get's visited.
*
* @param node ValDeclaration instance.
*/
virtual void process(ValDeclaration &node);
};
}; /* namespace ast */
#endif /* __WARN_UNUSED_HPP_INCLUDED */
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