Registry.h

Go to the documentation of this file.

/*
 *      $Id$
 *      Registry class interface
 *
 *      This file is part of OTAWA
 *      Copyright (c) 2005-7, 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_PROC_REGISTRY_H
#define OTAWA_PROC_PROC_REGISTRY_H

#include <elm/genstruct/HashTable.h>
#include <elm/PreIterator.h>
#include <otawa/proc/Registration.h>

namespace otawa {

// Registry class
class Registry: public Initializer<AbstractRegistration> {
        friend class AbstractRegistration;
        typedef genstruct::HashTable<String, const AbstractRegistration *> htab_t; 

public:
        static const AbstractRegistration *find(CString name);

        // Iter class
        class Iter: public htab_t::Iterator {
        public:
                inline Iter(void): htab_t::Iterator(_.procs) { }
        };

private:
        htab_t procs;
        static Registry _;
        Registry(void);
};


// Macro
template <class T>
inline const AbstractRegistration& registration(void) { return T::__reg; }


// ConfigIter class
class ConfigIter: public PreIterator<ConfigIter, AbstractIdentifier *> {
public:
        inline ConfigIter(const AbstractRegistration& registration, bool all = true)
                : reg(&registration), iter(reg->configs), _all(all) { step(); }
        inline AbstractIdentifier *item(void) const { return iter.item(); }
        inline void next(void) { iter.next(); step(); }
        inline bool ended(void) const { return !reg; }
        
private:
        void step(void);
        const AbstractRegistration *reg;
        SLList<AbstractIdentifier *>::Iterator iter;
        bool _all;
};


// FeatureIter class
class FeatureIter: public PreIterator<FeatureIter, const FeatureUsage *> {
public:
        inline FeatureIter(const AbstractRegistration& registration)
                : reg(&registration), iter(reg->features) { step(); }
        inline const FeatureUsage *item(void) const { return &iter.item(); }
        inline void next(void) { iter.next(); step(); }
        inline bool ended(void) const { return !reg; }
        
private:
        void step(void);
        const AbstractRegistration *reg;
        SLList<FeatureUsage>::Iterator iter;
};

} // otawa

#endif  // OTAWA_PROC_PROC_REGISTER_H