X-Git-Url: http://matita.cs.unibo.it/gitweb/?a=blobdiff_plain;f=helm%2Fsoftware%2Fcomponents%2Fng_kernel%2FnCicPp.ml;h=cebdaf0b29908916a601c04756058aed1d1c8450;hb=b08fc6cc9775b74ab859541ce42f0b87dd7f42de;hp=73c3f572c0ff1dbade596812d08ae80c25f84ae6;hpb=1ef41da37d7b39da1521f53d3b22981556bfbe68;p=helm.git

diff --git a/helm/software/components/ng_kernel/nCicPp.ml b/helm/software/components/ng_kernel/nCicPp.ml
index 73c3f572c..cebdaf0b2 100644
--- a/helm/software/components/ng_kernel/nCicPp.ml
+++ b/helm/software/components/ng_kernel/nCicPp.ml
@@ -52,7 +52,8 @@ let ppterm ~context ~subst ~metasenv:_ ?(inside_fix=false) t =
          (try 
             let name = List.nth ctx (m-1) in
             F.fprintf f "%s" (if name = "_" then "__"^string_of_int m else name)
-         with Failure _ -> F.fprintf f " -%d" (m - List.length ctx))
+         with Failure "nth" | Invalid_argument "List.nth" -> 
+             F.fprintf f " -%d" (m - List.length ctx))
    | C.Const r -> F.fprintf f "%s" (r2s inside_fix r)
    | C.Prod ("_",s,t) -> 
        if not toplevel then F.fprintf f "(";
@@ -130,12 +131,13 @@ let ppterm ~context ~subst ~metasenv:_ ?(inside_fix=false) t =
         F.fprintf f "?%d(%d,[" n shift;
         if List.length l > 0 then
           begin 
-            aux ctx (List.hd l);
-            List.iter (fun x -> F.fprintf f ",";aux ctx x) (List.tl l);
+            aux ctx (NCicSubstitution.lift shift (List.hd l));
+            List.iter (fun x -> F.fprintf f ",";aux ctx x) 
+             (List.map (NCicSubstitution.lift shift) (List.tl l));
           end;
         F.fprintf f "])"
    | C.Sort C.Prop -> F.fprintf f "Prop"
-   | C.Sort (C.Type []) -> F.fprintf f "IllFormedUniverse"
+   | C.Sort (C.Type []) -> F.fprintf f "Type0"
    | C.Sort (C.Type [false, u]) -> F.fprintf f "%s" (NUri.name_of_uri u)
    | C.Sort (C.Type [true, u]) -> F.fprintf f "S(%s)" (NUri.name_of_uri u)
    | C.Sort (C.Type l) -> 
@@ -180,13 +182,42 @@ let ppobj = function
           ppterm ~metasenv ~subst ~context:[] bo ^ "\n"
 ;;
 
-let rec ppcontext ~subst ~metasenv = function
+let rec ppcontext ?(sep="\n") ~subst ~metasenv = function
   | [] -> ""
   | (name, NCic.Decl t) :: tl -> 
-      ppcontext ~subst ~metasenv tl ^
-      name ^ ": " ^ ppterm ~subst ~metasenv ~context:tl t ^ "\n"
+      ppcontext ~sep ~subst ~metasenv tl ^
+      name ^ ": " ^ ppterm ~subst ~metasenv ~context:tl t ^ sep
   | (name, NCic.Def (bo,ty)) :: tl->
-      ppcontext ~subst ~metasenv tl ^
+      ppcontext ~sep ~subst ~metasenv tl ^
       name ^ ": " ^ ppterm ~subst ~metasenv ~context:tl ty ^ 
-      " := " ^ ppterm ~subst ~metasenv ~context:tl bo ^ "\n"
+      " := " ^ ppterm ~subst ~metasenv ~context:tl bo ^ sep
 ;;
+
+let rec ppmetasenv ~subst metasenv = function
+  | [] -> ""
+  | (i,(name, ctx, ty)) :: tl ->
+      let name = match name with Some n -> "("^n^")" | _ -> "" in
+      ppcontext ~sep:"; " ~subst ~metasenv ctx ^
+      " ⊢ ?"^string_of_int i^name^" : " ^ 
+      ppterm ~metasenv ~subst ~context:ctx ty ^ "\n" ^
+      ppmetasenv ~subst metasenv tl
+;;
+
+let ppmetasenv ~subst metasenv = ppmetasenv ~subst metasenv metasenv;;
+
+let rec ppsubst ~subst ~metasenv = function
+  | [] -> ""
+  | (i,(name, ctx, t, ty)) :: tl ->
+      
+      let name = match name with Some n -> "("^n^")" | _ -> "" in
+      ppcontext ~sep:"; " ~subst ~metasenv ctx ^
+      " ⊢ ?"^string_of_int i^name^" := " ^ 
+      ppterm ~metasenv ~subst ~context:ctx t ^ " : " ^
+      ppterm ~metasenv ~subst ~context:ctx ty ^ "\n" ^
+      ppsubst ~subst ~metasenv tl
+;;
+
+let ppsubst ~metasenv subst = ppsubst ~metasenv ~subst subst;;
+
+let _ = NCicSubstitution.set_ppterm ppterm;;
+