mapping_info.h

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#ifndef PORT_MAPPING_CACHE_H_INCLUDED_
#define PORT_MAPPING_CACHE_H_INCLUDED_

#include <unordered_map>

#include "rose.h"

#include "instance.h"
#include "object.h"
#include "instance_tree.h"
#include "path_instance_mapper.h"

namespace risc {
class Socket;
class Instance;
class Object;
class Design;

struct pairhash {
public:
  template <typename T, typename U>
  std::size_t operator()(const std::pair<T, U> &x) const
  {
    return std::hash<T>()(x.first) ^ std::hash<U>()(x.second);
  }
};

class MappingInfo {

public:
  MappingInfo();

  /*std::unordered_map<int,
                     std::unordered_map<SgVariableDefinition*,
                                        std::pair<risc::InstanceTree,
                                                  int> > > mapping_;*/
  typedef std::unordered_map< std::pair<int, SgSymbol*>,
                              std::pair<risc::InstanceTree,int>,
                              pairhash > Mapping_;
  Mapping_ mapping_;
  void initialize(PathInstanceMapper *path_instance_mapper);

  void print();

  std::list<std::pair<int, InstanceTree>>
  get_mapped_module(int channel_id, SgClassDefinition *channel_definition);

  typedef std::unordered_map<std::pair<int, SgVariableDefinition*> , risc::InstanceTree, pairhash> TreeMap;
  TreeMap inst_tree_mapping;
  TreeMap backward_inst_tree_mapping;


  
private:
  bool is_initialized_;
};

}; // end of namespace risc

#endif /* PORT_MAPPING_CACHE_H_INCLUDED_ */