error.h

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// include guard
#ifndef FOURIER_ERROR_H_VERSION

#define FOURIER_ERROR_H_VERSION \
  "FOURIER_ERROR_H   V1.0"

namespace fourier {

  class Exception 
  {
    public:
      Exception();
      Exception(const char* message);
      Exception(const char* message, 
                const char* condition);
      Exception(const char* message, 
                const char* file,
                const int& line,
                const char* condition);
      Exception(const char* message, 
                const char* file,
                const int& line);
      virtual ~Exception() { }
      virtual void report() const;
      static void report_on_construct();
      static void dont_report_on_construct();
    protected:
      void base_report() const;
    private:
      static bool Mreport_on_construct;
      const char* Mmessage;
      const char* Mfile;
      const int& Mline;
      const char* Mcondition;
  }; // class Exception

  void report_violation(const char* message, 
                        const char* file,
                        const int& line,
                        const char* condition);

} // namespace fourier

/*======================================================================*/
//
// preprocessor macros
// ===================

#define FOURIER_Xassert(C,M,E) \
  if (!(C)) { throw( E ( M , __FILE__, __LINE__, #C )); }

#define FOURIER_assert(C,M) FOURIER_Xassert( C , M , fourier::Exception )

#define FOURIER_abort(M) \
  throw( fourier::Exception ( M , __FILE__, __LINE__ )) 

#define FOURIER_illegal FOURIER_abort("illegal call!")


#define FOURIER_report_assert(C,M,V) \
  if (!(C)) { \
    fourier::report_violation(M, __FILE__, __LINE__, #C); \
    std::cerr << "* comment: " << V << std::endl; \
    std::cerr << std::endl; \
    std::cerr.flush(); \
  }

#define FOURIER_nonfatal_assert(F,C,M,V) \
  if (F) { FOURIER_report_assert(C,M,V) } else { FOURIER_assert(C,M) }


/*======================================================================*/
// some misc macro functions
//

#define FOURIER_debug(C,N,M) \
  if (C) { \
    std::cerr << "DEBUG (" << N << ", " \
              << __FILE__ << " line #" << __LINE__ << "):" << std::endl \
              << "      " << M << std::endl; \
    std::cerr.flush(); \
}

#endif // FOURIER_ERROR_H_VERSION (includeguard)

/* ----- END OF error.h ----- */