Method Evaluate

eval/eval/trace_step.h:40–49

      : DirectExpressionStep(-1), expression_(std::move(expression)) {}

  absl::Status Evaluate(ExecutionFrameBase& frame, cel::Value& result,
                        AttributeTrail& trail) const override {
    CEL_RETURN_IF_ERROR(expression_->Evaluate(frame, result, trail));
    if (!frame.callback()) {
      return absl::OkStatus();
    }
    return frame.callback()(expression_->expr_id(), result,
                            frame.descriptor_pool(), frame.message_factory(),
                            frame.arena());
  }

  cel::NativeTypeId GetNativeTypeId() const override {
    return cel::NativeTypeId::For<TraceStep>();