DynIdentifier.h

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/*
 *      $Id$
 *      DynIdentifier class interface
 *
 *      This file is part of OTAWA
 *      Copyright (c) 2010, IRIT UPS.
 *
 *      OTAWA is free software; you can redistribute it and/or modify
 *      it under the terms of the GNU General Public License as published by
 *      the Free Software Foundation; either version 2 of the License, or
 *      (at your option) any later version.
 *
 *      OTAWA is distributed in the hope that it will be useful,
 *      but WITHOUT ANY WARRANTY; without even the implied warranty of
 *      MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *      GNU General Public License for more details.
 *
 *      You should have received a copy of the GNU General Public License
 *      along with OTAWA; if not, write to the Free Software
 *      Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
 */
#ifndef OTAWA_PROC_DYNIDENTIFIER_H_
#define OTAWA_PROC_DYNIDENTIFIER_H_

#include <otawa/proc/ProcessorPlugin.h>
#include <otawa/prop/Identifier.h>

namespace otawa {

// DynIdentifier class
template <class T>
class DynIdentifier {
public:
        inline DynIdentifier(cstring name): _name(name), _id(0) { }
        inline cstring name(void) const { return _name; }

        const T &operator()(const PropList &props) const { return id()(props); }
        const T &operator()(const PropList *props) const { return id()(props); }
        Ref<T, Identifier<T> > operator()(PropList &props) const { return id()(props); }
        Ref<T, Identifier<T> > operator()(PropList *props) const { return id()(props); }

private:
        inline Identifier<T>& id(void) const {
                if(!_id)
                        _id = (Identifier<T> *)ProcessorPlugin::getIdentifier(_name);
                ASSERTP(_id, _ << "identifier " << _name << " cannot be found.");
                return *_id;
        }

        cstring _name;
        mutable Identifier<T> *_id;
};

}       // otawa

#endif /* OTAWA_PROC_DYNIDENTIFIER_H_ */