X-Git-Url: http://matita.cs.unibo.it/gitweb/?a=blobdiff_plain;f=helm%2Fsoftware%2Fcomponents%2Fcontent_pres%2FtermContentPres.ml;h=1ee406623ad91e61fab3745cef335e9636499d13;hb=6719c0e318b312b51b089fea3d69d1b7103245ea;hp=6b3dcc297689783fbe1a99459cc287764c5d0511;hpb=380284d5b85bd218f812bc0f9725061912c291f6;p=helm.git

diff --git a/helm/software/components/content_pres/termContentPres.ml b/helm/software/components/content_pres/termContentPres.ml
index 6b3dcc297..1ee406623 100644
--- a/helm/software/components/content_pres/termContentPres.ml
+++ b/helm/software/components/content_pres/termContentPres.ml
@@ -100,7 +100,7 @@ let binder_symbol s =
 let string_of_sort_kind = function
   | `Prop -> "Prop"
   | `Set -> "Set"
-  | `CProp -> "CProp"
+  | `CProp _ -> "CProp"
   | `Type _ -> "Type"
 
 let pp_ast0 t k =
@@ -151,8 +151,11 @@ let pp_ast0 t k =
            space
          ]
         in
-        let mk_case_pattern (head, href, vars) =
-          hbox true false (ident_w_href href head :: List.map aux_var vars)
+        let mk_case_pattern =
+         function
+            Ast.Pattern (head, href, vars) ->
+             hbox true false (ident_w_href href head :: List.map aux_var vars)
+          | Ast.Wildcard -> builtin_symbol "_"
         in
         let patterns' =
           List.map
@@ -201,7 +204,8 @@ let pp_ast0 t k =
             hvbox false true [
               keyword "let"; space;
               hvbox false true [
-                aux_var var; space; builtin_symbol "\\def"; break; top_pos (k s) ];
+                aux_var var; space;
+                builtin_symbol "\\def"; break; top_pos (k s) ];
               break; space; keyword "in" ];
             break;
             k t ])
@@ -209,14 +213,16 @@ let pp_ast0 t k =
         let rec_op =
           match rec_kind with `Inductive -> "rec" | `CoInductive -> "corec"
         in
-        let mk_fun (args, (name,ty), body, _) =
-         List.map aux_var args ,k name, HExtlib.map_option k ty, k body in
+        let mk_fun (args, (name,ty), body, rec_param) =
+         List.map aux_var args ,k name, HExtlib.map_option k ty, k body,  
+           fst (List.nth args rec_param)
+        in
         let mk_funs = List.map mk_fun in
         let fst_fun, tl_funs =
           match mk_funs funs with hd :: tl -> hd, tl | [] -> assert false
         in
         let fst_row =
-          let (params, name, ty, body) = fst_fun in
+          let (params, name, ty, body, rec_param) = fst_fun in
           hvbox false true ([
             keyword "let";
             space;
@@ -224,6 +230,7 @@ let pp_ast0 t k =
             space;
             name] @
             params @
+            [space; keyword "on" ; space ; rec_param ;space ] @
             (match ty with None -> [] | Some ty -> [builtin_symbol ":"; ty]) @
             [ builtin_symbol "\\def";
             break;
@@ -231,12 +238,13 @@ let pp_ast0 t k =
         in
         let tl_rows =
           List.map
-            (fun (params, name, ty, body) ->
+            (fun (params, name, ty, body, rec_param) ->
               [ break;
                 hvbox false true ([
                   keyword "and";
                   name] @
                   params @
+                  [space; keyword "on" ; space; rec_param ;space ] @
                   (match ty with
                       None -> []
                     | Some ty -> [builtin_symbol ":"; ty]) @
@@ -461,8 +469,9 @@ let fill_pos_info l1_pattern = l1_pattern
   in
   aux true l1_pattern *)
 
+let counter = ref ~-1 
+let reset () = counter := ~-1;;
 let fresh_id =
-  let counter = ref ~-1 in
   fun () ->
     incr counter;
     !counter
@@ -542,8 +551,8 @@ let instantiate_level2 env term =
     | Ast.Case (term, indty, outty_opt, patterns) ->
         Ast.Case (aux env term, indty, aux_opt env outty_opt,
           List.map (aux_branch env) patterns)
-    | Ast.LetIn (var, t1, t2) ->
-        Ast.LetIn (aux_capture_var env var, aux env t1, aux env t2)
+    | Ast.LetIn (var, t1, t3) ->
+        Ast.LetIn (aux_capture_var env var, aux env t1, aux env t3)
     | Ast.LetRec (kind, definitions, body) ->
         Ast.LetRec (kind, List.map (aux_definition env) definitions,
           aux env body)
@@ -571,8 +580,11 @@ let instantiate_level2 env term =
   and aux_capture_var env (name, ty_opt) = (aux env name, aux_opt env ty_opt)
   and aux_branch env (pattern, term) =
     (aux_pattern env pattern, aux env term)
-  and aux_pattern env (head, hrefs, vars) =
-    (head, hrefs, List.map (aux_capture_var env) vars)
+  and aux_pattern env =
+   function
+      Ast.Pattern (head, hrefs, vars) ->
+       Ast.Pattern (head, hrefs, List.map (aux_capture_var env) vars)
+    | Ast.Wildcard -> Ast.Wildcard
   and aux_definition env (params, var, term, i) =
     (List.map (aux_capture_var env) params, aux_capture_var env var, aux env term, i)
   and aux_substs env substs =
@@ -662,3 +674,5 @@ let instantiate_level2 env term =
 
 let _ = load_patterns21 []
 
+
+