+ if Filename.check_suffix !Options.input_file ".g" then
+ let g = Grammar2.parse !Options.input_file in
+ let () = Grammar2.save g "/tmp/test.g" in
+ let g = Grammar2.load "/tmp/test.g" in
+ ignore g;
+ exit 3
+
+ else if Filename.check_suffix !Options.input_file ".g.bin" then