diff.h

#ifndef DIFF_H_
#define DIFF_H_

#include "swu.h"
#include "module.h"
#include "linkler.h"

class Diff {
  public:
    virtual ~Diff() {}

    virtual bool added(SWU* swu) = 0;

    virtual bool added(Module* module) = 0;

    virtual bool added(Dependency<SWU, SWU>* swu_dep) = 0;

    virtual bool added(Dependency<Module, Module>* mod_dep) = 0;

    virtual bool removed(SWU* swu) = 0;

    virtual bool removed(Module* module) = 0;

    virtual bool removed(Dependency<SWU, SWU>* swu_dep) = 0;

    virtual bool removed(Dependency<Module, Module>* mod_dep) = 0;

    virtual Linkler* merge() = 0;
};

#endif