void trace_destructor()

in cxx/lyra/cxa_throw.cpp [109:129]

• 16 lines of code
• 3 McCabe index (conditional complexity)

void trace_destructor(void* exception_obj) {
  destructor_type original_destructor = nullptr;

  {
    std::lock_guard<std::mutex> lock(*get_exception_state_map_mutex());
    auto* exception_state_map = get_exception_state_map();
    auto it = exception_state_map->find(exception_obj);
    if (it == exception_state_map->end()) {
      // This really shouldn't happen, but if it does, just leaking the trace
      // and exception object seems better than crashing.
      return;
    }

    original_destructor = it->second.destructor;
    exception_state_map->erase(it);
  }

  if (original_destructor) {
    original_destructor(exception_obj);
  }
}