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/***********************************************/
/**
* @file exception.h
*
* @brief Exception handling.
*
* @author Torsten Mayer-Guerr
* @date 2001-06-16
*
*/
/***********************************************/
#ifndef __GROOPS_EXCEPTION__
#define __GROOPS_EXCEPTION__
#include <exception>
#include <string>
/***** CLASS ***********************************/
/** @brief Exception handling.
* @ingroup base */
class Exception : public std::exception
{
std::string message;
public:
/** @brief Exception handling.
* @param msg Error message */
Exception(const std::string &msg) noexcept : message(msg) {}
/** @brief Error message.
* Returns a C-style character string
* describing the general cause of the current error. */
const char *what() const noexcept {return message.c_str();}
};
/***********************************************/
#define _GROOPS_QUOTEME_(x) #x
#define _GROOPS_QUOTEME(x) _GROOPS_QUOTEME_(x)
#define _GROOPS_ERRORLINE (std::string("in ")+__FILE__+":"+_GROOPS_QUOTEME(__LINE__)+" ("+__func__+")")
/** @brief Rethrow an error message.
* Prepend the calling function and source file.
* Is to be used in the form:
* @code
* void func()
* {
* try
* {
* }
* catch(std::exception &e)
* {
* GROOPS_RETHROW(e)
* }
* }
* @endcode
* @ingroup base */
#define GROOPS_RETHROW(e) throw(Exception(_GROOPS_ERRORLINE+"\n"+e.what()));
/** @brief Rethrow an error message with extra function text.
* @see GROOPS_RETHROW
* @ingroup base */
#define GROOPS_RETHROW_EXTRA(text, e) throw(Exception(_GROOPS_ERRORLINE+": "+text+"\n"+e.what()));
/***********************************************/
#endif /* __GROOPS_Exception__ */
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