X-Git-Url: http://matita.cs.unibo.it/gitweb/?a=blobdiff_plain;f=helm%2Focaml%2Fcic_notation%2FcicNotation.ml;h=9ed0c5038e07c5c5d28792c4bf17233144a0df6e;hb=2ec306151ac692b5165e9ca30553762cb9be9e33;hp=87eb9980e04ad34de832e01520c72d34dbe3c18f;hpb=e20f3963028a966fc93ba0d611c4aa8341d20e2c;p=helm.git

diff --git a/helm/ocaml/cic_notation/cicNotation.ml b/helm/ocaml/cic_notation/cicNotation.ml
index 87eb9980e..9ed0c5038 100644
--- a/helm/ocaml/cic_notation/cicNotation.ml
+++ b/helm/ocaml/cic_notation/cicNotation.ml
@@ -32,15 +32,23 @@ type notation_id =
 
 let process_notation st =
   match st with
-  | Notation (loc, l1, associativity, precedence, l2) ->
+  | Notation (loc, dir, l1, associativity, precedence, l2) ->
       let rule_id =
-        CicNotationParser.extend l1 ?precedence ?associativity
-          (fun env loc -> CicNotationFwd.instantiate_level2 env l2)
+        if dir <> Some `RightToLeft then
+          [ RuleId (CicNotationParser.extend l1 ?precedence ?associativity
+              (fun env loc -> CicNotationFwd.instantiate_level2 env l2)) ]
+        else
+          []
       in
       let pp_id =
-        CicNotationRew.add_pretty_printer ?precedence ?associativity l2 l1
+        if dir <> Some `LeftToRight then
+          [ PrettyPrinterId
+              (CicNotationRew.add_pretty_printer ?precedence ?associativity
+                l2 l1) ]
+        else
+          []
       in
-      st, [ RuleId rule_id; PrettyPrinterId pp_id ]
+      st, rule_id @ pp_id
   | Interpretation (loc, dsc, l2, l3) ->
       let interp_id = CicNotationRew.add_interpretation dsc l2 l3 in
       st, [ InterpretationId interp_id ]
@@ -53,10 +61,10 @@ let remove_notation = function
 
 let load_notation fname =
   let ic = open_in fname in
-  let istream = Stream.of_channel ic in
+  let lexbuf = Ulexing.from_utf8_channel ic in
   try
     while true do
-      match GrafiteParser.parse_statement istream with
+      match GrafiteParser.parse_statement lexbuf with
       | Executable (_, Command (_, cmd)) -> ignore (process_notation cmd)
       | _ -> ()
     done