unikernel/duniverse/ppxlib/astlib/pp/pp.ml

@@ -0,0 +1,12 @@
+let () =
+  match Sys.argv with
+  | [| _; ocaml_version; fname |] ->
+      let is_current =
+        Filename.basename fname = Printf.sprintf "ast_%s.ml" ocaml_version
+      in
+      let ic = open_in_bin fname in
+      Printf.printf "# 1 %S\n" fname;
+      Pp_rewrite.rewrite is_current ocaml_version (Lexing.from_channel ic)
+  | _ ->
+      Printf.eprintf "%s: <ocaml-version> <file-name>\n" Sys.executable_name;
+      exit 2