_Unwind_Reason_Code unwindCallback()

in cxx/lyra/lyra.cpp [61:78]

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

_Unwind_Reason_Code unwindCallback(struct _Unwind_Context* context, void* arg) {
  BacktraceState* state = reinterpret_cast<BacktraceState*>(arg);
  auto absoluteProgramCounter =
      reinterpret_cast<InstructionPointer>(_Unwind_GetIP(context));

  if (state->skip > 0) {
    --state->skip;
    return _URC_NO_REASON;
  }

  if (state->stackTrace.size() == state->stackTrace.capacity()) {
    return _URC_END_OF_STACK;
  }

  state->stackTrace.push_back(absoluteProgramCounter);

  return _URC_NO_REASON;
}