GearBox Project

00001 /*
00002  * GearBox Project: Peer-Reviewed Open-Source Libraries for Robotics
00003  *               http://gearbox.sf.net/
00004  * Copyright (c) 2004-2008 Alex Brooks, Alexei Makarenko, Tobias Kaupp
00005  *
00006  * This distribution is licensed to you under the terms described in
00007  * the LICENSE file included in this distribution.
00008  *
00009  */
00010 
00011 #ifndef GBXUTILACFR_EXCEPTIONS_H
00012 #define GBXUTILACFR_EXCEPTIONS_H
00013 
00014 /*
00015  * STRINGIZE macro converts an expression into a string-literal.
00016  * ERROR_INFO macro permits file-name and line-number data to be added to an error message.
00017  *
00018  * Adapted by Alex Brooks from Tim Bailey's version 2005.
00019  */
00020 
00021 #ifndef ERROR_MACROS_HPP_
00022 #define ERROR_MACROS_HPP_
00023 
00024 #if defined(STRINGIZE_HELPER) || defined(STRINGIZE) || defined(ERROR_INFO)
00025 #   error GbxUtilAcfr error macros have already been defined elsewhere 
00026 #endif
00027 
00028 #define STRINGIZE_HELPER(exp) #exp
00029 #define STRINGIZE(exp) STRINGIZE_HELPER(exp)
00030 
00031 #define ERROR_INFO __FILE__, STRINGIZE(__LINE__)
00032 
00033 #endif
00034 
00035 #include <exception>
00036 #include <string>
00037 
00038 namespace gbxutilacfr {
00039 
00053 class Exception : public std::exception
00054 {
00055 public:
00056     Exception(const char *file, const char *line, const char *message);
00057     Exception(const char *file, const char *line, const std::string &message);
00058 
00059     virtual ~Exception() throw();
00060 
00061     virtual const char* what() const throw() { return message_.c_str(); }
00062 
00063 protected:
00064     void setMsg( const char *file, const char *line, const char *message );
00065 
00066     std::string  message_;
00067 
00068 private:
00069     const char *basename( const char *s );
00070 };
00071 
00073 class HardwareException : public gbxutilacfr::Exception
00074 {
00075 public:
00076     HardwareException(const char *file, const char *line, const char *message)
00077             : Exception( file, line, message ) {};
00078     HardwareException(const char *file, const char *line, const std::string &message)
00079             : Exception( file, line, message ) {};
00080 };
00081 
00082 } // namespace
00083 
00084 
00085 #endif
gbxutilacfr/exceptions.h
