symbol.h

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#ifndef ILANG_ILA_SYMBOL_H__
#define ILANG_ILA_SYMBOL_H__

#include <fstream>
#include <ostream>
#include <string>

namespace ilang {

class Symbol {
public:
  // ------------------------- CONSTRUCTOR/DESTRUCTOR ----------------------- //
  Symbol();
  Symbol(const char* str);
  Symbol(const std::string& str);
  Symbol(const Symbol& rhs);
  ~Symbol();

  // ------------------------- ACCESSORS/MUTATORS --------------------------- //
  const std::string& str() const;
  const char* c_str() const;
  const std::string format_str(const std::string& prefix = "",
                               const std::string& suffix = "") const;
  int to_int() const;
  const size_t& id() const;

  void set_name(const std::string& name);

  // ------------------------- METHODS -------------------------------------- //
  std::ostream& Print(std::ostream& out) const;
  friend std::ostream& operator<<(std::ostream& out, const Symbol& s);

  Symbol& operator=(const Symbol& rhs);
  friend bool operator==(const Symbol& lhs, const Symbol& rhs);
  friend bool operator<(const Symbol& lhs, const Symbol& rhs);

private:
  // ------------------------- MEMBERS -------------------------------------- //
  std::string name_;
  size_t id_;
  static size_t counter_;

}; // class Symbol

} // namespace ilang

#endif // ILANG_ILA_SYMBOL_H__