core/except.h

   1 #ifndef CORE_EXCEPT_H
   2 #define CORE_EXCEPT_H
   3
   4 #include <cstdarg>
   5 #include <exception>
   6 #include <string>
   7 #include <utility>
   8
   9
  10 namespace al {
  11
  12 class base_exception : public std::exception {
  13     std::string mMessage;
  14
  15 protected:
  16     auto setMessage(const char *msg, std::va_list args) -> void;
  17
  18 public:
  19     base_exception() = default;
  20     base_exception(const base_exception&) = default;
  21     base_exception(base_exception&&) = default;
  22     ~base_exception() override;
  23
  24     auto operator=(const base_exception&) -> base_exception& = default;
  25     auto operator=(base_exception&&) -> base_exception& = default;
  26
  27     [[nodiscard]] auto what() const noexcept -> const char* override { return mMessage.c_str(); }
  28 };
  29
  30 } // namespace al
  31
  32 #endif /* CORE_EXCEPT_H */