common/alassert.cpp

   1
   2 #include "alassert.h"
   3
   4 #include <stdexcept>
   5 #include <string>
   6
   7 namespace {
   8
   9 [[noreturn]]
  10 void throw_error(const std::string &message)
  11 {
  12     throw std::runtime_error{message};
  13 }
  14
  15 } /* namespace */
  16
  17 namespace al {
  18
  19 [[noreturn]]
  20 void do_assert(const char *message, int linenum, const char *filename, const char *funcname) noexcept
  21 {
  22     /* Throwing an exception that tries to leave a noexcept function will
  23      * hopefully cause the system to provide info about the caught exception in
  24      * an error dialog. At least on Linux, this results in the process printing
  25      *
  26      * terminate called after throwing an instance of 'std::runtime_error'
  27      *   what():  <message here>
  28      *
  29      * before terminating from a SIGABRT. Hopefully Windows and Mac will do the
  30      * appropriate things with the message to alert the user about an abnormal
  31      * termination.
  32      */
  33     auto errstr = std::string{filename};
  34     errstr += ':';
  35     errstr += std::to_string(linenum);
  36     errstr += ": ";
  37     errstr += funcname;
  38     errstr += ": ";
  39     errstr += message;
  40
  41     throw_error(errstr);
  42 }
  43
  44 } /* namespace al */