diff --git a/generator/params.ml b/generator/params.ml
new file mode 100644
index 0000000000000000000000000000000000000000..852731d4c2d03b7399ee0685fdf164bfe88568aa
--- /dev/null
+++ b/generator/params.ml
@@ -0,0 +1,12 @@
+let debug = ref false
+let logging = ref false
+
+(****************************************************************)
+(* MODES *)
+
+type generate_mode = 
+  | Mode_unlogged
+  | Mode_line_token
+  | Mode_logged
+
+let current_mode = ref Mode_unlogged