X-Git-Url: http://matita.cs.unibo.it/gitweb/?a=blobdiff_plain;f=helm%2Fsoftware%2Fcomponents%2Fng_kernel%2FnCicPp.ml;h=a0f0a8afb906c6f6991f47f3a5a6f8c23a9eed6d;hb=58ce236b589513e779e00759e54e72cbbf2bd2c3;hp=2c46fef6f18a75874ff5486c71f2e107a96528ec;hpb=b44b8db1c78fd4278845e443c8cca24a885111ed;p=helm.git diff --git a/helm/software/components/ng_kernel/nCicPp.ml b/helm/software/components/ng_kernel/nCicPp.ml index 2c46fef6f..a0f0a8afb 100644 --- a/helm/software/components/ng_kernel/nCicPp.ml +++ b/helm/software/components/ng_kernel/nCicPp.ml @@ -1,55 +1,151 @@ let ppterm = - ref (fun ~context ~subst ~metasenv t -> "Please, set a pp callback") + ref (fun ~context ~subst ~metasenv ?inside_fix t -> "Please, set a pp callback") ;; let set_ppterm f = ppterm := f;; -let ppterm ~context ~subst ~metasenv t = - !ppterm ~context ~subst ~metasenv t +let ppterm ~context ~subst ~metasenv ?inside_fix t = + !ppterm ~context ~subst ~metasenv ?inside_fix t ;; module C = NCic module R = NReference -let trivial_pp_term ~context ~subst ~metasenv = - let rec aux ctx = function +let r2s pp_fix_name r = + try + match r with + | 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,_) -> + if pp_fix_name then + let _,name,_,_,_ = List.nth fl i in name + else + 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) + with exn -> R.string_of_reference r +;; + +let trivial_pp_term ~context ~subst ~metasenv ?(inside_fix=false) t = + let buff = Buffer.create 100 in + let f = Format.formatter_of_buffer buff in + let module F = Format in + let rec aux ?(toplevel=false) 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 + 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 context)) + | C.Const r -> F.fprintf f "%s" (r2s inside_fix r) + | C.Prod ("_",s,t) -> + if not toplevel then F.fprintf f "("; + F.fprintf f "@["; + aux ~toplevel:true ctx s; + F.fprintf f "@;→ "; + aux ~toplevel ("_"::ctx) t; + F.fprintf f "@]"; + if not toplevel then F.fprintf f ")"; + | C.Prod (name,s,t) -> + if not toplevel then F.fprintf f "("; + F.fprintf f "@["; + F.fprintf f "@[∀%s:@;" name; + aux ~toplevel:true ctx s; + F.fprintf f "@].@;"; + aux ~toplevel (name::ctx) t; + F.fprintf f "@]"; + if not toplevel then F.fprintf f ")"; | C.Lambda (name,s,t) -> - "(\lambda "^name^":"^aux ctx s^"."^aux (name::ctx) t^")" + if not toplevel then F.fprintf f "("; + F.fprintf f "@["; + F.fprintf f "λ%s:" name; + aux ~toplevel:true ctx s; + F.fprintf f ".@;"; + aux ~toplevel (name::ctx) t; + F.fprintf f "@]"; + if not toplevel then 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 ^ "[" ^ - String.concat "|" (List.map (aux ctx) pl) ^ "]" - | 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 + if not toplevel then F.fprintf f "("; + F.fprintf f "@["; + F.fprintf f "let %s:@;" name; + aux ~toplevel:true ctx ty; + F.fprintf f "@;≝ "; + aux ~toplevel:true ctx t; + F.fprintf f "@;in@;"; + (aux ~toplevel (name::ctx) b); + F.fprintf f "@]"; + if not toplevel then F.fprintf f ")"; + | C.Match (r,oty,t,pl) -> + F.fprintf f "@[match "; + aux ~toplevel:true ctx t; + F.fprintf f "@;return "; + aux ~toplevel:true ctx oty; + F.fprintf f "@; @[[ "; + if pl <> [] then + begin + F.fprintf f "@[%s ⇒@;" (r2s inside_fix (R.mk_constructor 1 r)); + aux ~toplevel:true ctx (List.hd pl); + F.fprintf f "@]"; + ignore(List.fold_left + (fun i t -> + F.fprintf f "@;| @[%s ⇒@;" (r2s inside_fix (R.mk_constructor i r)); + aux ~toplevel:true ctx t; + F.fprintf f "@]"; + i+1) + 2 (List.tl pl)); + end; + F.fprintf f "]@] @]"; + | C.Appl l -> + F.fprintf f "@["; + if not toplevel then F.fprintf f "("; + aux ctx (List.hd l); + 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.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 ~toplevel:true (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 ^ " : " ^ + "{"^NUri.string_of_uri u^"}\n"^ + "let rec "^ + String.concat "\nand " (fst + (List.fold_right (fun (_,name,n,ty,bo) (l,i) -> + ((name^ + " on " ^ string_of_int n ^ " : " ^ ppterm ~metasenv ~subst ~context:[] ty ^ " :=\n"^ - ppterm ~metasenv ~subst ~context:[] bo) fl) + ppterm ~metasenv ~subst ~context:[] ~inside_fix:true 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" ;;