include/libsex/throw.hxx

   1 #ifndef LIBSEX_THROW_HXX
   2 #define LIBSEX_THROW_HXX
   3
   4 #include <libsex/utility.hxx>
   5
   6 /**
   7  * Macro to throw an exception.
   8  *
   9  * File name and line number are inserted automatically.
  10  *
  11  * @param class Which exception to throw.
  12  * @param args... Optional. Arguments for message template.
  13  */
  14 #define THROW(class, args...) \
  15 { \
  16         throw libsex::formatted<class>(__FILE__, __LINE__, ##args); \
  17 }
  18
  19 /**
  20  * Macro to throw another exception when an exception has
  21  * been caught.
  22  *
  23  * Chains the previous exception and the newly created one
  24  * together.
  25  *
  26  * @note The previous exception has to be accessible in
  27  *       this scope via the variable name @c e.
  28  *
  29  * @see THROW
  30  */
  31 #define CHAIN(class, args...) \
  32 {\
  33         throw libsex::formatted<class>(e, __FILE__, __LINE__, ##args); \
  34 }
  35
  36 #endif