Method Evaluate

eval/eval/jump_step.cc:57–76

        leave_on_stack_(leave_on_stack) {}

  absl::Status Evaluate(ExecutionFrame* frame) const override {
    // Peek the top value
    if (!frame->value_stack().HasEnough(1)) {
      return absl::Status(absl::StatusCode::kInternal, "Value stack underflow");
    }

    const auto& value = frame->value_stack().Peek();
    const auto should_jump = value.Is<BoolValue>() &&
                             jump_condition_ == value.GetBool().NativeValue();

    if (!leave_on_stack_) {
      frame->value_stack().Pop(1);
    }

    if (should_jump) {
      return Jump(frame);
    }

    return absl::OkStatus();
  }

 private:
  const bool jump_condition_;