implemented transformations on top of notation code

[helm.git] / helm / ocaml / cic_notation / cicNotation.ml

diff --git a/helm/ocaml/cic_notation/cicNotation.ml b/helm/ocaml/cic_notation/cicNotation.ml
index 87eb9980e04ad34de832e01520c72d34dbe3c18f..f6ea55a48582957987ee1af6c77b45a1d8418850 100644 (file)
--- 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 ]