Add module aliases and dependencies

src/parser/ligodity/Lexer.mll

@@ -6,7 +6,11 @@
 (* UTILITIES *)
 
 let sprintf = Printf.sprintf
-module SMap = Utils.String.Map
+
+module Region = Simple_utils.Region
+module Pos    = Simple_utils.Pos
+module SMap   = Utils.String.Map
+module SSet   = Utils.String.Set
 
 (* Making a natural from its decimal notation (for Tez) *)
 

src/parser/ligodity/dune

@@ -13,6 +13,7 @@
  (libraries
    str
    zarith
+   simple-utils
    tezos-utils
  )
  (flags (:standard -open Simple_utils ))