#define SOLATIS_EXCEPTION_DECL(name)                                  \
   class name : public std::exception {                               \
	public :                                                         \
      name () : std::exception () {};                                 \
         name ( const name &that ) : std::exception () {              \
            _what += that._what;                                      \
         }                                                            \
            virtual ~name() throw(){};                                \
            virtual const char *what() const throw() {                \
			return _what.c_str();                                  \
            }                                                         \
            template<typename T> name & operator<<( const T& t ) {    \
               _stream << t;                                          \
               _what = _stream.str ();                                \
			return *this;                                          \
            }                                                         \
	private:                                                         \
            mutable std::stringstream _stream;                        \
            std::string _what;                                        \
   };


   SOLATIS_EXCEPTION_DECL(parse_exception);
   SOLATIS_EXCEPTION_DECL(integrity_exception);
   SOLATIS_EXCEPTION_DECL(fatal_exception);