X-Git-Url: http://matita.cs.unibo.it/gitweb/?a=blobdiff_plain;f=helm%2Fsoftware%2Fcomponents%2Facic_content%2FcicNotationUtil.ml;h=60fe6357d5f1c4c878187f12e086c6ce49cd3006;hb=6b3242efcd29ea188ef09b445985abb06c5fad3a;hp=25af9981e7f5dff7131aba171dfdcf1fb5dadf8e;hpb=d063ddede0424eb1f47a4c9769eaefbb16d90700;p=helm.git

diff --git a/helm/software/components/acic_content/cicNotationUtil.ml b/helm/software/components/acic_content/cicNotationUtil.ml
index 25af9981e..60fe6357d 100644
--- a/helm/software/components/acic_content/cicNotationUtil.ml
+++ b/helm/software/components/acic_content/cicNotationUtil.ml
@@ -27,13 +27,19 @@
 
 module Ast = CicNotationPt
 
-let visit_ast ?(special_k = fun _ -> assert false) k =
+let visit_ast ?(special_k = fun _ -> assert false) 
+  ?(map_xref_option= fun x -> x) ?(map_case_indty= fun x -> x) 
+  ?(map_case_outtype=
+      fun k x -> match x with None -> None | Some x -> Some (k x)) 
+  k 
+=
   let rec aux = function
     | Ast.Appl terms -> Ast.Appl (List.map k terms)
     | Ast.Binder (kind, var, body) ->
         Ast.Binder (kind, aux_capture_variable var, k body) 
     | Ast.Case (term, indtype, typ, patterns) ->
-        Ast.Case (k term, indtype, aux_opt typ, aux_patterns patterns)
+        Ast.Case (k term, map_case_indty indtype, map_case_outtype k typ,
+          aux_patterns map_xref_option patterns)
     | Ast.Cast (t1, t2) -> Ast.Cast (k t1, k t2)
     | Ast.LetIn (var, t1, t3) ->
         Ast.LetIn (aux_capture_variable var, k t1, k t3)
@@ -66,11 +72,11 @@ let visit_ast ?(special_k = fun _ -> assert false) k =
     | None -> None
     | Some term -> Some (k term)
   and aux_capture_variable (term, typ_opt) = k term, aux_opt typ_opt
-  and aux_patterns patterns = List.map aux_pattern patterns
-  and aux_pattern =
+  and aux_patterns k_xref patterns = List.map (aux_pattern k_xref) patterns
+  and aux_pattern k_xref =
    function
       Ast.Pattern (head, hrefs, vars), term ->
-        Ast.Pattern (head, hrefs, List.map aux_capture_variable vars), k term
+        Ast.Pattern (head, k_xref hrefs, List.map aux_capture_variable vars), k term
     | Ast.Wildcard, term -> Ast.Wildcard, k term
   and aux_subst (name, term) = (name, k term)
   and aux_substs substs = List.map aux_subst substs
@@ -91,6 +97,9 @@ let visit_layout k = function
   | Ast.Break -> Ast.Break
   | Ast.Box (kind, terms) -> Ast.Box (kind, List.map k terms)
   | Ast.Group terms -> Ast.Group (List.map k terms)
+  | Ast.Mstyle (l, term) -> Ast.Mstyle (l, List.map k term)
+  | Ast.Mpadded (l, term) -> Ast.Mpadded (l, List.map k term)
+  | Ast.Maction terms -> Ast.Maction (List.map k terms)
 
 let visit_magic k = function
   | Ast.List0 (t, l) -> Ast.List0 (k t, l)
@@ -353,7 +362,8 @@ let fresh_id () =
   !fresh_index
 
   (* TODO ensure that names generated by fresh_var do not clash with user's *)
-let fresh_name () = "fresh" ^ string_of_int (fresh_id ())
+  (* FG: "η" is not an identifier (it is rendered, but not be parsed) *)
+let fresh_name () = "eta" ^ string_of_int (fresh_id ())
 
 let rec freshen_term ?(index = ref 0) term =
   let freshen_term = freshen_term ~index in