Support object inspection through DAP `variables` request

1 files changed, 14 insertions, 6 deletions

diff --git a/editor/debugger/debug_adapter/debug_adapter_parser.cpp b/editor/debugger/debug_adapter/debug_adapter_parser.cpp
index 4210baeed2..8e2f037a1c 100644
--- a/editor/debugger/debug_adapter/debug_adapter_parser.cpp
+++ b/editor/debugger/debug_adapter/debug_adapter_parser.cpp
@@ -442,26 +442,34 @@ Dictionary DebugAdapterParser::req_variables(const Dictionary &p_params) const {
 		return Dictionary();
 	}
 
-	Dictionary response = prepare_success_response(p_params), body;
-	response["body"] = body;
-
 	Dictionary args = p_params["arguments"];
 	int variable_id = args["variablesReference"];
 
-	HashMap<int, Array>::Iterator E = DebugAdapterProtocol::get_singleton()->variable_list.find(variable_id);
+	if (HashMap<int, Array>::Iterator E = DebugAdapterProtocol::get_singleton()->variable_list.find(variable_id); E) {
+		Dictionary response = prepare_success_response(p_params);
+		Dictionary body;
+		response["body"] = body;
 
-	if (E) {
 		if (!DebugAdapterProtocol::get_singleton()->get_current_peer()->supportsVariableType) {
 			for (int i = 0; i < E->value.size(); i++) {
 				Dictionary variable = E->value[i];
 				variable.erase("type");
 			}
 		}
+
 		body["variables"] = E ? E->value : Array();
 		return response;
 	} else {
-		return Dictionary();
+		// If the requested variable is an object, it needs to be requested from the debuggee.
+		ObjectID object_id = DebugAdapterProtocol::get_singleton()->search_object_id(variable_id);
+
+		if (object_id.is_null()) {
+			return prepare_error_response(p_params, DAP::ErrorType::UNKNOWN);
+		}
+
+		DebugAdapterProtocol::get_singleton()->request_remote_object(object_id);
 	}
+	return Dictionary();
 }
 
 Dictionary DebugAdapterParser::req_next(const Dictionary &p_params) const {