FeatureDependency.h

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/*
 *      $Id$
 *      FeatureDependency class interface
 *
 *      This file is part of OTAWA
 *      Copyright (c) 2008, 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_FEATURE_DEPENDENCY_H
#define OTAWA_PROC_FEATURE_DEPENDENCY_H

#include <elm/string.h>
#include <elm/util/Cleaner.h>
#include <elm/genstruct/SLList.h>
#include <otawa/proc/AbstractFeature.h>

namespace otawa {
        
using namespace elm;

// FeatureDependency class
class FeatureDependency: public elm::CleanList {
        typedef genstruct::SLList<FeatureDependency *> list_t;
public:
        
        // constructors
        FeatureDependency(const AbstractFeature *_feature);
        ~FeatureDependency(void);
        void add(FeatureDependency *to);
        void remove(FeatureDependency *from);

        // accessors
        inline const AbstractFeature *getFeature(void) const { return feature; }

        // Iterator on dependencies
        class Dependent: public list_t::Iterator {
        public:
                inline Dependent(FeatureDependency *d): list_t::Iterator(d->children) { }
                inline Dependent(const Dependent& i): list_t::Iterator(i) { }
        };

private:
        const AbstractFeature *feature;
        list_t parents;
        list_t children;
};

} // otawa

#endif /* OTAWA_PROC_FEATURE_DEPENDENCY_H */