Function GetStacktrace

include/dali/core/error_handling.h:131–162

}

inline dali::string GetStacktrace() {
  const int MAX_STACK_SIZE = 100;
  void * stack[MAX_STACK_SIZE];
  int nframes = backtrace(stack, MAX_STACK_SIZE);
  dali::string ret = "\nStacktrace (" + std::to_string(nframes) + " entries):\n";
  char **msgs = backtrace_symbols(stack, nframes);
  if (msgs != nullptr) {
    for (int frame = 0; frame < nframes; ++frame) {
      dali::string msg(msgs[frame]);
      size_t symbol_start = string::npos;
      size_t symbol_end = string::npos;
      dali::string s = msgs[frame];
      if ( ((symbol_start = msg.find("_Z")) != string::npos)
          && (symbol_end = msg.find("+0x", symbol_start)) != string::npos ) {
        string left(msg, 0, symbol_start);
        string symbol(msg, symbol_start, symbol_end - symbol_start);
        trim(&symbol);
        string right(msg, symbol_end);
        int status = 0;
        char * demangled_symbol =
          abi::__cxa_demangle(symbol.c_str(), 0, 0, &status);
        if (demangled_symbol != nullptr) {
          s = left + demangled_symbol + right;
          std::free(demangled_symbol);
        }
      }
      ret += "[frame " + std::to_string(frame) + "]: " + s + "\n";
    }
  }
  free(msgs);
  return ret;
}
#else
inline dali::string GetStacktrace() {
  return "";