error.hh

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#ifndef MISC_ERROR_HH
# define MISC_ERROR_HH

# include <iosfwd>
# include <sstream>

#define ice_here() ice(__FILE__, __LINE__)
#define ice_on_error_here() ice_on_error(__FILE__, __LINE__)


namespace misc
{

  class error
  {
  public:
    error();
    error(const error& e);

    ~error();

    error& operator=(const error& e);


    enum error_type
      {
        success = 0,
        failure = 1,
        scan = 2,
        parse = 3,
        bind = 4,
        type = 5
      };

    template <typename T> error& operator<<(const T& t);

    error& operator<<(error_type e);

    error& operator<<(std::ostream& (*f)(std::ostream&));

    error& operator<<(const error& rhs);

    typedef void (error::*member_manip_type)();
    typedef void (error::*const_member_manip_type)() const;

    error& operator<<(member_manip_type f);
    error& operator<<(const_member_manip_type f);




    void exit() const;

    void exit_on_error() const;

    void ice(const char* file, int line) const;

    void ice_on_error(const char* file, int line) const;

    void clear();




    operator bool() const;

    error_type status_get() const;

    const std::ostringstream& stream_get() const;


  private:
    error_type status_;

    std::ostringstream stream_;
  };

  std::ostream& operator<<(std::ostream& o, const error& e);

} // namespace misc

# include <misc/error.hxx>

#endif // !MISC_ERROR_HH