module C = NCic
module R = NReference
-let trivial_pp_term ~context ~subst ~metasenv =
+let r2s = function
+ | R.Ref (_,u,R.Ind i) ->
+ (match snd(NCicEnvironment.get_obj u) with
+ | _,_,_,_, C.Inductive (_,_,itl,_) ->
+ let _,name,_,_ = List.nth itl i in name
+ | _ -> assert false)
+ | R.Ref (_,u,R.Con (i,j)) ->
+ (match snd(NCicEnvironment.get_obj u) with
+ | _,_,_,_, C.Inductive (_,_,itl,_) ->
+ let _,_,_,cl = List.nth itl i in
+ let _,name,_ = List.nth cl (j-1) in name
+ | _ -> assert false)
+ | R.Ref (_,u,(R.Decl | R.Def )) ->
+ (match snd(NCicEnvironment.get_obj u) with
+ | _,_,_,_, C.Constant (_,name,_,_,_) -> name
+ | _ -> assert false)
+ | R.Ref (_,u,(R.Fix (i,_)|R.CoFix i)) ->
+ (match snd(NCicEnvironment.get_obj u) with
+ | _,_,_,_, C.Fixpoint (_,fl,_) ->
+ let name = NUri.string_of_uri u in
+ let name = Filename.basename name in
+ let name = Filename.chop_extension name in
+ name ^"("^ string_of_int i ^ ")"
+ | _ -> assert false)
+;;
+
+let trivial_pp_term ~context ~subst ~metasenv t =
+ let buff = Buffer.create 100 in
+ let f = Format.formatter_of_buffer buff in
+ let module F = Format in
let rec aux ctx = function
| C.Rel m ->
- (try List.nth ctx (m-1)
- with Failure _ -> " -" ^ string_of_int (m - List.length context))
- | C.Const r -> R.string_of_reference r
- | C.Prod (name,s,t) -> "(\Pi "^name^":"^aux ctx s^"."^aux (name::ctx) t^")"
+ (try F.fprintf f "%s" (List.nth ctx (m-1))
+ with Failure _ -> F.fprintf f " -%d" (m - List.length context))
+ | C.Const r -> F.fprintf f "%s" (r2s r)
+ | C.Prod ("_",s,t) ->
+ F.fprintf f "@[<hov 1>";
+ aux ctx s;
+ F.fprintf f "@;→ ";
+ aux ("_"::ctx) t;
+ F.fprintf f "@]";
+ | C.Prod (name,s,t) ->
+ F.fprintf f "@[<hov 1>";
+ F.fprintf f "∀%s:" name;
+ aux ctx s;
+ F.fprintf f ".@;";
+ aux (name::ctx) t;
+ F.fprintf f "@]";
| C.Lambda (name,s,t) ->
- "(\lambda "^name^":"^aux ctx s^"."^aux (name::ctx) t^")"
+ F.fprintf f "@[<hov 1>";
+ F.fprintf f "λ%s:" name;
+ aux ctx s;
+ F.fprintf f ".@;";
+ aux (name::ctx) t;
+ F.fprintf f "@]";
| C.LetIn (name,ty,t,b) ->
- "(let "^name^":"^aux ctx ty^":="^aux ctx t^" in "^aux (name::ctx) b^")"
- | C.Match (_,oty,t,pl) ->
- " match " ^ aux ctx t ^ " return " ^ aux ctx oty ^ " with\n" ^ "[" ^
- String.concat "\n|" (List.map (aux ctx) pl) ^ "]\n"
- | C.Appl l -> "("^String.concat " " (List.map (aux ctx) l) ^")"
- | C.Implicit _ -> "?"
- | C.Meta (n,_) -> "?"^string_of_int n
- | C.Sort C.Prop -> "Prop"
- | C.Sort C.CProp -> "CProp"
- | C.Sort (C.Type n) -> "Type"^string_of_int n
+ F.fprintf f "let %s:" name;
+ aux ctx ty;
+ F.fprintf f "≝@;";
+ aux ctx t;
+ F.fprintf f "in@;";
+ (aux (name::ctx) b)
+ | C.Match (r,oty,t,pl) ->
+ F.fprintf f "@[<hov>match ";
+ aux ctx t;
+ F.fprintf f "@;return ";
+ aux ctx oty;
+ F.fprintf f "@; @[<v>[ ";
+ if pl <> [] then
+ begin
+ F.fprintf f "%s ⇒ " (r2s (R.mk_constructor 1 r));
+ aux ctx (List.hd pl);
+ ignore(List.fold_left
+ (fun i t ->
+ F.fprintf f "@;| %s ⇒ " (r2s (R.mk_constructor i r));
+ aux ctx t; i+1)
+ 2 (List.tl pl));
+ end;
+ F.fprintf f "]@] @]";
+ | C.Appl l ->
+ F.fprintf f "@[<h 2>(";
+ aux ctx (List.hd l);
+ List.iter (fun x -> F.fprintf f "@;";aux ctx x) (List.tl l);
+ F.fprintf f ")@]"
+ | C.Implicit _ -> F.fprintf f "?"
+ | C.Meta (n,_) -> F.fprintf f "?%d" n
+ | C.Sort C.Prop -> F.fprintf f "Prop"
+ | C.Sort C.CProp -> F.fprintf f "CProp"
+ | C.Sort (C.Type n) -> F.fprintf f "Type%d" n
in
- aux (List.map fst context)
+ aux (List.map fst context) t;
+ F.fprintf f "@?";
+ Buffer.contents buff
;;
let ppobj = function
| (u,_,metasenv,subst,NCic.Fixpoint (b, fl, _)) ->
- NUri.string_of_uri u^"\n"^
"let rec "^
- String.concat "\nand "
- (List.map (fun (_,name,n,ty,bo) ->
- name ^ " on " ^ string_of_int n ^ " : " ^
+ String.concat "\nand " (fst
+ (List.fold_right (fun (_,name,n,ty,bo) (l,i) ->
+ ((Filename.chop_extension (Filename.basename (NUri.string_of_uri u))^
+ "("^string_of_int (i-1) ^") aka "^name^
+ " on " ^ string_of_int n ^ " : " ^
ppterm ~metasenv ~subst ~context:[] ty ^ " :=\n"^
- ppterm ~metasenv ~subst ~context:[] bo) fl)
+ ppterm ~metasenv ~subst ~context:[] bo) :: l),i-1) fl
+ ([],List.length fl)))
| (u,_,_,_,NCic.Inductive (b, _,tyl, _)) -> "inductive"
| (u,_,metasenv,subst,NCic.Constant (_,name,None,ty, _)) ->
"axiom " ^ name ^ " : " ^
ppterm ~metasenv ~subst ~context:[] ty ^ "\n"
| (u,_,metasenv,subst,NCic.Constant (_,name,Some bo,ty, _)) ->
"definition " ^ name ^ " : " ^
- ppterm ~metasenv ~subst ~context:[] ty ^ ":=\n"^
+ ppterm ~metasenv ~subst ~context:[] ty ^ " := \n"^
ppterm ~metasenv ~subst ~context:[] bo ^ "\n"
;;