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/* $Id$
*
* Copyright (C) 2007-2009 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 __WAVE_FORM_ELEM_HPP_INCLUDED
#define __WAVE_FORM_ELEM_HPP_INCLUDED
#include "frontend/ast/AstNode.hpp"
#include "frontend/ast/Expression.hpp"
namespace ast {
//! a VHDL waveform element.
/** This class represents a VHDL WaveForm Element.
*/
class WaveFormElem : public AstNode {
public:
//! c'tor
/** @param val value of the WaveFormElem.
* @param tdelay delay of the value.
* @param loc Location of the WaveFormElement.
*/
WaveFormElem(
Expression *val,
Expression *tdelay,
Location loc
) : AstNode(loc),
value(val),
delay(tdelay) {}
//! Accept a Visitor.
/** All leaf AST nodes need to implement this method.
*
* @param visitor the Visitor that can visit this node.
*/
virtual void accept(Visitor &visitor) {
visitor.visit(*this);
}
/** Put a textual representation of the AstNode on the stream.
* @param stream stream to put the textual representation to.
*/
virtual void put(std::ostream &stream) const {
stream << this->value;
if (this->delay) {
stream << " AFTER " << this->delay;
}
}
/** value of the WaveFormElem */
Expression *value;
/** delay of the WaveFormElem */
Expression *delay;
protected:
/** Destructor */
virtual ~WaveFormElem() {
util::MiscUtil::terminate(value);
util::MiscUtil::terminate(delay);
}
};
}; /* namespace ast */
#endif /* __WAVE_FORM_ELEM_HPP_INCLUDED */
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