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/* $Id$
*
* Reference: pointer to a symbol.
*
* 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 __REFERENCE_HPP_INCLUDED
#define __REFERENCE_HPP_INCLUDED
#include "intermediate/operands/Operand.hpp"
#include <cassert>
namespace intermediate {
//! Reference to a named entity
/** The reference can refer to any named entity. Hence a Reference is
* always a pointer. It's main use is for indirect addressing, though it
* sometimes might make sense to also take the pointer for pointer
* arithmetics.
*/
class Reference : public Operand {
public:
//! c'tor
/** @param n referenced name
*/
Reference(
std::string n
) : Operand(OP_TYPE_POINTER),
name(n),
associatedData(NULL),
associatedContainer(NULL) {}
//! 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);
}
//! name of the variable or driver
std::string name;
//! Data entry to which this Reference refers to
/** might be NULL, e.g. for References referring to
* Containers or Types.
*/
const Data *associatedData;
//! associated CodeContainer for Call and Proc opcodes.
const CodeContainer *associatedContainer;
};
}; /* namespace intermediate */
#endif /* __REFERENCE_HPP_INCLUDED */
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