module Ast = CicNotationPt
let id_tac status = status ;;
-let print_tac message status = prerr_endline message; status ;;
+let print_tac print_status message status =
+ if print_status then pp_tac_status status;
+ prerr_endline message;
+ status
+;;
let dot_tac status =
let new_gstatus =
{ status with pstatus = n,h,metasenv,subst,o })
;;
-let force f s = Lazy.force f s;;
-
let generalize0_tac args =
if args = [] then id_tac
else exact_tac ("",0,Ast.Appl (Ast.Implicit :: args))
;;
-let select0_tac ~where:(wanted,_,where) ~job =
+let select0_tac ~where:(wanted,hyps,where) ~job =
let found, postprocess =
match job with
| `Substexpand argsno -> mk_in_scope, mk_out_scope argsno
| `Collect l -> (fun s t -> l := t::!l; mk_in_scope s t), mk_out_scope 1
+ | `ChangeWith f -> f,(fun s t -> s, t)
in
distribute_tac (fun status goal ->
let goalty = get_goalty status goal in
let status, newgoalty =
select_term status ~found ~postprocess goalty (wanted,path)
in
+ let status, newgoalctx =
+ List.fold_right
+ (fun (name,d as entry) (status,ctx) ->
+ try
+ let path = List.assoc name hyps in
+ match d with
+ NCic.Decl ty ->
+ let status,ty =
+ select_term status ~found ~postprocess (mk_cic_term ctx ty)
+ (wanted,path) in
+ let status,ty = term_of_cic_term status ty ctx in
+ status,(name,NCic.Decl ty)::ctx
+ | NCic.Def (bo,ty) ->
+ let status,bo =
+ select_term status ~found ~postprocess (mk_cic_term ctx bo)
+ (wanted,path) in
+ let status,bo = term_of_cic_term status bo ctx in
+ status,(name,NCic.Def (bo,ty))::ctx
+ with
+ Not_found -> status, entry::ctx
+ ) (ctx_of goalty) (status,[])
+ in
let status, instance =
- mk_meta status (ctx_of newgoalty) (`Decl newgoalty)
+ mk_meta status newgoalctx (`Decl newgoalty)
in
instantiate status goal instance)
;;
let l = ref [] in
block_tac [
select_tac ~where ~job:(`Collect l) true;
- force (lazy (distribute_tac (fun status goal ->
+ print_tac true "ha selezionato?";
+ (fun s -> distribute_tac (fun status goal ->
if !l = [] then fail (lazy "No term to generalize");
let goalty = get_goalty status goal in
let canon = List.hd !l in
List.fold_left
(fun s t -> unify s (ctx_of goalty) canon t) status (List.tl !l)
in
+ let status, canon = term_of_cic_term status canon (ctx_of goalty) in
instantiate status goal
- (mk_cic_term (ctx_of goalty) (NCic.Appl [NCic.Implicit `Term ;
- term_of_cic_term canon (ctx_of goalty) ]))
- ))) ]
+ (mk_cic_term (ctx_of goalty) (NCic.Appl [NCic.Implicit `Term ; canon ]))
+ ) s) ]
;;
-
-let reopen status =
- let n,h,metasenv,subst,o = status.pstatus in
- let subst, newm =
- List.partition
- (function (_,(Some tag,_,_,_)) ->
- tag <> NCicMetaSubst.in_scope_tag &&
- not (NCicMetaSubst.is_out_scope_tag tag)
- | _ -> true)
- subst
- in
- let in_m, out_m =
- List.partition
- (function (_,(Some tag,_,_,_)) ->
- tag = NCicMetaSubst.in_scope_tag | _ -> assert false)
- newm
- in
- let metasenv = List.map (fun (i,(_,c,_,t)) -> i,(None,c,t)) in_m @ metasenv in
- let in_m = List.map fst in_m in
- let out_m = match out_m with [i] -> i | _ -> assert false in
- { status with pstatus = n,h,metasenv,subst,o }, in_m, out_m
+let eval_tac ~reduction ~where =
+ let change status t =
+ match reduction with
+ | `Whd perform_delta ->
+ whd status
+ ?delta:(if perform_delta then None else Some max_int) (ctx_of t) t
+ in
+ let where = GrafiteDisambiguate.disambiguate_npattern where in
+ select0_tac ~where ~job:(`ChangeWith change)
;;
-let change ~where ~with_what status goal =
-assert false; (*
- let goalty = get_goalty status goal in
- let (wanted,_,where) = GrafiteDisambiguate.disambiguate_npattern where in
- let path =
- match where with None -> NCic.Implicit `Term | Some where -> where
- in
- let status, newgoalty = assert false (*
- select_term status 1 goalty (wanted,path)*) in
- let status, in_scope, out_scope = reopen status in
- let status = List.fold_left (exact with_what) status in_scope in
-
- let j,(n,cctx,bo,_) = out_scope in
- let _ = typeof status (ctx_of goalty) (Obj.magic (n,cctx,bo)) in
-
- let n,h,metasenv,subst,o = status.pstatus in
- let subst = out_scope :: subst in
- let status = { status with pstatus = n,h,metasenv,subst,o } in
-
- let status, instance =
- mk_meta status (ctx_of newgoalty) (`Decl newgoalty)
- in
- instantiate status goal instance
-*)
+let change_tac ~where ~with_what =
+ let change status t =
+ let status, ww = disambiguate status with_what None (ctx_of t) in
+ let status = unify status (ctx_of t) t ww in
+ status, ww
+ in
+ let where = GrafiteDisambiguate.disambiguate_npattern where in
+ select0_tac ~where ~job:(`ChangeWith change)
;;
-let change_tac ~where ~with_what = distribute_tac (change ~where ~with_what) ;;
let apply_tac = exact_tac;;
let analyze_indty_tac ~what indtyref = distribute_tac (fun status goal ->
let goalty = get_goalty status goal in
let status, what = disambiguate status what None (ctx_of goalty) in
- let ty_what = typeof status (ctx_of what) what in
- let r,consno,lefts,rights = analyse_indty status ty_what in
+ let status, ty_what = typeof status (ctx_of what) what in
+ let status, (r,consno,lefts,rights) = analyse_indty status ty_what in
let leftno = List.length rights in
let rightno = List.length rights in
indtyref := Some {
let sort = ref None in
let compute_goal_sort_tac = distribute_tac (fun status goal ->
let goalty = get_goalty status goal in
- let goalsort = typeof status (ctx_of goalty) goalty in
+ let status, goalsort = typeof status (ctx_of goalty) goalty in
sort := Some goalsort;
exec id_tac status goal)
in
atomic_tac (block_tac [
analyze_indty_tac ~what indtyinfo;
- force (lazy (select_tac
- ~where ~job:(`Substexpand ((HExtlib.unopt !indtyinfo).rightno+1)) true));
+ (fun s -> select_tac
+ ~where ~job:(`Substexpand ((HExtlib.unopt !indtyinfo).rightno+1)) true s);
compute_goal_sort_tac;
- force (lazy (
+ (fun status ->
let sort = HExtlib.unopt !sort in
let ity = HExtlib.unopt !indtyinfo in
let NReference.Ref (uri, _) = ity.reference in
+ let istatus, sort = term_of_cic_term status.istatus sort (ctx_of sort) in
+ let status = { status with istatus = istatus } in
let name = NUri.name_of_uri uri ^
- match term_of_cic_term sort (ctx_of sort) with
+ match sort with
| NCic.Sort NCic.Prop -> "_ind"
| NCic.Sort _ -> "_rect"
| _ -> assert false
let _,_,w = what in
Ast.Appl(Ast.Ident(name,None)::holes @ [ w ])
in
- exact_tac ("",0,eliminator))) ])
+ exact_tac ("",0,eliminator) status) ])
;;
let rewrite_tac ~dir ~what:(_,_,what) ~where =
let cases ~what status goal =
let gty = get_goalty status goal in
let status, what = disambiguate status what None (ctx_of gty) in
- let ty = typeof status (ctx_of what) what in
- let ref, consno, _, _ = analyse_indty status ty in
+ let status, ty = typeof status (ctx_of what) what in
+ let status, (ref, consno, _, _) = analyse_indty status ty in
+ let status, what = term_of_cic_term status what (ctx_of gty) in
let t =
- NCic.Match (ref,NCic.Implicit `Term, term_of_cic_term what (ctx_of gty),
+ NCic.Match (ref,NCic.Implicit `Term, what,
HExtlib.mk_list (NCic.Implicit `Term) consno)
in
let ctx = ctx_of gty in
atomic_tac
(block_tac [
analyze_indty_tac ~what indtyinfo;
- force (lazy (select_tac
- ~where ~job:(`Substexpand ((HExtlib.unopt !indtyinfo).rightno+1))true));
+ (fun s -> select_tac
+ ~where ~job:(`Substexpand ((HExtlib.unopt !indtyinfo).rightno+1))true s);
distribute_tac (cases ~what) ])
;;