- fixed hint generation, more hints are generated

[helm.git] / helm / software / components / ng_kernel / nCicPp.ml

diff --git a/helm/software/components/ng_kernel/nCicPp.ml b/helm/software/components/ng_kernel/nCicPp.ml
index 73c3f572c0ff1dbade596812d08ae80c25f84ae6..42b05d10e46561265b1186b292c333e9ca3d408d 100644 (file)
--- a/helm/software/components/ng_kernel/nCicPp.ml
+++ b/helm/software/components/ng_kernel/nCicPp.ml
@@ -43,6 +43,14 @@ let r2s pp_fix_name r =
   with NCicLibrary.ObjectNotFound _ -> R.string_of_reference r
 ;;
 
+let string_of_implicit_annotation = function
+  | `Closed -> "▪"
+  | `Type -> ""
+  | `Hole -> "□"
+  | `Term -> "Term"
+  | `Typeof x -> "Ty("^string_of_int x^")"
+;;
+
 let ppterm ~context ~subst ~metasenv:_ ?(inside_fix=false) t = 
   let buff = Buffer.create 100 in
   let f = Format.formatter_of_buffer buff in
@@ -52,7 +60,8 @@ 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 "(";
@@ -101,18 +110,24 @@ let ppterm ~context ~subst ~metasenv:_ ?(inside_fix=false) t =
        F.fprintf f "@; @[<v>[ ";
        if pl <> [] then
          begin
-           F.fprintf f "@[<hov 2>%s ⇒@;" (r2s inside_fix (R.mk_constructor 1 r));
+           F.fprintf f "@[<hov 2>%s ⇒@;" 
+             (try r2s inside_fix (R.mk_constructor 1 r)
+              with R.IllFormedReference _ -> "#ERROR#");
            aux ~toplevel:true ctx (List.hd pl);
            F.fprintf f "@]";
            ignore(List.fold_left 
              (fun i t -> 
-              F.fprintf f "@;| @[<hov 2>%s ⇒@;" (r2s inside_fix (R.mk_constructor i r));
+              F.fprintf f "@;| @[<hov 2>%s ⇒@;" 
+                (try r2s inside_fix (R.mk_constructor i r)
+                 with R.IllFormedReference _ -> "#ERROR#");
               aux ~toplevel:true ctx t; 
               F.fprintf f "@]";
               i+1)
              2 (List.tl pl));
          end;
       F.fprintf f "]@] @]";
+   | C.Appl [] | C.Appl [_] | C.Appl (C.Appl _::_) -> 
+       F.fprintf f "BAD APPLICATION"
    | C.Appl l -> 
        F.fprintf f "@[<hov 2>";
        if not toplevel then F.fprintf f "(";
@@ -120,7 +135,8 @@ let ppterm ~context ~subst ~metasenv:_ ?(inside_fix=false) t =
        List.iter (fun x -> F.fprintf f "@;";aux ctx x) (List.tl l);
        if not toplevel then F.fprintf f ")";
        F.fprintf f "@]"
-   | C.Implicit _ -> F.fprintf f "?"
+   | C.Implicit annot -> 
+       F.fprintf f "?%s" (string_of_implicit_annotation annot)
    | C.Meta (n,lc) when List.mem_assoc n subst -> 
         let _,_,t,_ = List.assoc n subst in
         aux ctx (NCicSubstitution.subst_meta lc t)
@@ -130,12 +146,13 @@ 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 +197,42 @@ 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;;
+