b message parser

add try catch around command_parser and event_parser

tools/message_parser.cpp

@@ -24,9 +24,11 @@ std::string message_parser(std::string message)
 
 json command_parser(json command)
 {
+    json j;
+    try
+    {
         std::string type = command["type"];
         Command cmd = magic_enum::enum_cast<Command>(type).value_or(Command::end);
-    json j;
         switch (cmd)
         {
             case Command::get_UI_element:
@@ -57,11 +59,19 @@ json command_parser(json command)
             default:
                 break;
         }
+    }
+    catch(const json::exception& e)
+    {
+        spdlog::error(e.what());
+    }
+    
     return j;
 }
 
 void event_handler(json event)
 {
+    try
+    {
         std::string type = event["type"];
         Event e = magic_enum::enum_cast<Event>(type).value_or(Event::end);
         if (g_simulators->invoke_active_simulator() == nullptr)
@@ -101,4 +111,9 @@ void event_handler(json event)
                 break;
             }
         }
+    }
+    catch(const json::exception& e)
+    {
+        spdlog::error(e.what());
+    }
 }