X-Git-Url: http://matita.cs.unibo.it/gitweb/?a=blobdiff_plain;f=helm%2Fsoftware%2Fcomponents%2Fcontent_pres%2FcicNotationParser.ml;h=587c22e4a07b8b9a39fea3225069c4a73454e01f;hb=f9abd21eb0d26cf9b632af4df819225be4d091e3;hp=bb3d29f069d336544546c1a22e86fbdfc9a71f4c;hpb=f1f80d3696cca276a0e07babe46debd2447007f7;p=helm.git

diff --git a/helm/software/components/content_pres/cicNotationParser.ml b/helm/software/components/content_pres/cicNotationParser.ml
index bb3d29f06..587c22e4a 100644
--- a/helm/software/components/content_pres/cicNotationParser.ml
+++ b/helm/software/components/content_pres/cicNotationParser.ml
@@ -211,8 +211,8 @@ let extract_term_production pattern =
           match magic with
           | Ast.List0 (_, None) -> Gramext.Slist0 s
           | Ast.List1 (_, None) -> Gramext.Slist1 s
-          | Ast.List0 (_, Some l) -> Gramext.Slist0sep (s, gram_of_literal l)
-          | Ast.List1 (_, Some l) -> Gramext.Slist1sep (s, gram_of_literal l)
+          | Ast.List0 (_, Some l) -> Gramext.Slist0sep (s, gram_of_literal l, false)
+          | Ast.List1 (_, Some l) -> Gramext.Slist1sep (s, gram_of_literal l, false)
           | _ -> assert false
         in
         [ Env (List.map Env.list_declaration p_names),
@@ -246,9 +246,14 @@ let compare_rule_id x y =
     | [],[] -> 0
     | [],_ -> ~-1
     | _,[] -> 1
-    | ((s1::tl1) as x),((s2::tl2) as y) ->
+    | ((s1::tl1) ),((s2::tl2) ) ->
         if Gramext.eq_symbol s1 s2 then aux (tl1,tl2)
-        else Pervasives.compare x y 
+        else 
+          let res = 
+            try Pervasives.compare s1 s2 
+            with Invalid_argument _ -> 0 
+          in
+           if res = 0 then aux (tl1, tl2) else res 
   in
     aux (x,y)
 
@@ -581,9 +586,9 @@ EXTEND
   sort: [
     [ "Prop" -> `Prop
     | "Set" -> `Set
-    | "Type"; SYMBOL "["; n = NUMBER; SYMBOL "]" -> `NType n
+    | "Type"; SYMBOL "["; n = [ NUMBER| IDENT ]; SYMBOL "]" -> `NType n
     | "Type" -> `Type (CicUniv.fresh ()) 
-    | "CProp"; SYMBOL "["; n = NUMBER; SYMBOL "]" -> `NCProp n
+    | "CProp"; SYMBOL "["; n = [ NUMBER| IDENT ]; SYMBOL "]" -> `NCProp n
     | "CProp" -> `CProp (CicUniv.fresh ())
     ]
   ];
@@ -712,7 +717,13 @@ EXTEND
   ];
   term: LEVEL "10"
   [
-    [ "let"; var = possibly_typed_name; SYMBOL <:unicode<def>> (* ≝ *);
+    [ "let"; 
+     var = 
+      [ LPAREN; id = single_arg; SYMBOL ":"; typ = term; RPAREN ->
+	  id, Some typ
+      | id = IDENT; ty = OPT [ SYMBOL ":"; typ = term -> typ] ->
+	  Ast.Ident(id,None), ty ];
+      SYMBOL <:unicode<def>> (* ≝ *);
       p1 = term; "in"; p2 = term ->
         return_term loc (Ast.LetIn (var, p1, p2))
     | LETCOREC; defs = let_defs; "in";
@@ -748,8 +759,10 @@ EXTEND
           return_term loc (Ast.Ident (id, Some s))
       | s = CSYMBOL -> return_term loc (Ast.Symbol (s, 0))
       | u = URI -> return_term loc (Ast.Uri (u, None))
+      | r = NREF -> return_term loc (Ast.NRef (NReference.reference_of_string r))
       | n = NUMBER -> return_term loc (Ast.Num (n, 0))
-      | IMPLICIT -> return_term loc (Ast.Implicit)
+      | IMPLICIT -> return_term loc (Ast.Implicit `JustOne)
+      | SYMBOL <:unicode<ldots>> -> return_term loc (Ast.Implicit `Vector)
       | PLACEHOLDER -> return_term loc Ast.UserInput
       | m = META -> return_term loc (Ast.Meta (int_of_string m, []))
       | m = META; s = meta_substs ->
@@ -806,9 +819,11 @@ let exc_located_wrapper f =
   try
     f ()
   with
-  | Stdpp.Exc_located (floc, Stream.Error msg) ->
+  | Ploc.Exc (floc, Stream.Error msg) ->
       raise (HExtlib.Localized (floc, Parse_error msg))
-  | Stdpp.Exc_located (floc, exn) ->
+  | Ploc.Exc (floc, HExtlib.Localized (_,exn)) ->
+      raise (HExtlib.Localized (floc, (Parse_error (Printexc.to_string exn))))
+  | Ploc.Exc (floc, exn) ->
       raise (HExtlib.Localized (floc, (Parse_error (Printexc.to_string exn))))
 
 let parse_level1_pattern precedence lexbuf =