Add simulators

tools/simulators.hpp

@@ -0,0 +1,19 @@
+#pragma once
+#include <memory>
+#include <map>
+
+#include "simulator_base.hpp"
+
+#define INSERT_SIMULATOR(type) p_simulators.insert(std::make_pair(type().name(), std::make_unique<type>()));
+
+class Simulators {
+    public:
+        Simulators();
+        void run();
+        void stop();
+        void switch_simulator(std::string name);
+        Simulator_base* invoke_active_simulator() const;
+    private:
+        std::map<std::string, std::unique_ptr<Simulator_base>> p_simulators;
+        std::string p_current_simulator;
+};