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/* $Id$
*
* Update: update a signal (intermediate opcode)
*
* 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 __UPDATE_HPP_INCLUDED
#define __UPDATE_HPP_INCLUDED
#include "intermediate/opcodes/OpCode.hpp"
#include <cassert>
#include "intermediate/operands/Operand.hpp"
namespace intermediate {
//! update a given driver
/** This class will update a given driver after a given delay, assuming the
* initial transport mechanism.
*
* Read operands src, delay
* Write operands: dst
*
* src: source value of the operation (any type allowed)
* delay: delay value (integer)
* dst: DirectOperand pointing to the driver (pointer)
*
* Operation: call to the kernel, to add <src,delay> to given driver.
*/
class Update : public OpCode {
public:
Update(
Operand *source,
Operand *delayOp,
Operand *dest
) : src(source), delay(delayOp), dst(dest) {
assert(delay->type == OP_TYPE_INTEGER);
assert(dst->type == OP_TYPE_POINTER);
}
//! Accept a Visitor.
/** All intermediate code nodes need to implement this method.
*
* @param v the Visitor that can visit this node.
*/
virtual void accept(Visitor& v) {
v.visit(*this);
}
//! source operand
Operand *src;
//! delay operand
Operand *delay;
//! destination operand
Operand *dst;
protected:
virtual ~Update() {
util::MiscUtil::terminate(this->src);
util::MiscUtil::terminate(this->delay);
util::MiscUtil::terminate(this->dst);
}
};
}; /* namespace intermediate */
#endif /* __UPDATE_HPP_INCLUDED */
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