common/alexcpt.h

   1 #ifndef ALEXCPT_H
   2 #define ALEXCPT_H
   3
   4 #include <exception>
   5 #include <string>
   6
   7 #include "AL/alc.h"
   8
   9
  10 #ifdef __GNUC__
  11 #define ALEXCPT_FORMAT(x, y, z) __attribute__((format(x, (y), (z))))
  12 #else
  13 #define ALEXCPT_FORMAT(x, y, z)
  14 #endif
  15
  16
  17 namespace al {
  18
  19 class backend_exception final : public std::exception {
  20     std::string mMessage;
  21     ALCenum mErrorCode;
  22
  23 public:
  24     backend_exception(ALCenum code, const char *msg, ...) ALEXCPT_FORMAT(printf, 3,4);
  25
  26     const char *what() const noexcept override { return mMessage.c_str(); }
  27     ALCenum errorCode() const noexcept { return mErrorCode; }
  28 };
  29
  30 } // namespace al
  31
  32 #define START_API_FUNC try
  33
  34 #define END_API_FUNC catch(...) { std::terminate(); }
  35
  36 #endif /* ALEXCPT_H */