let atomic_tac htac = distribute_tac (exec htac) ;;
+let try_tac tac status =
+ try
+ tac status
+ with NTacStatus.Error _ ->
+ status
+;;
+
+let first_tac tacl status =
+ let res = HExtlib.list_findopt
+ (fun tac _ ->
+ try Some (tac status) with
+ NTacStatus.Error _ -> None) tacl
+ in
+ match res with
+ | None -> raise (NTacStatus.Error (lazy("No tactic left")))
+ | Some x -> x
+;;
+
let exact_tac t = distribute_tac (fun status goal ->
let goalty = get_goalty status goal in
let status, t = disambiguate status t (Some goalty) (ctx_of goalty) in
instantiate status goal t)
;;
+let assumption status goal =
+ let gty = get_goalty status goal in
+ let context = ctx_of gty in
+ let (htac:NTacStatus.tactic) =
+ first_tac (List.map
+ (fun (name,_) ->
+ exact_tac ("",0,(Ast.Ident (name,None))))
+ context)
+ in
+ exec htac status goal
+;;
+
+let assumption_tac =
+ distribute_tac assumption
+;;
+
let find_in_context name context =
let rec aux acc = function
| [] -> raise Not_found
let path =
match where with None -> NCic.Implicit `Term | Some where -> where
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) ->
Not_found -> status, entry::ctx
) (ctx_of goalty) (status,[])
in
+ let status, newgoalty =
+ select_term status ~found ~postprocess goalty (wanted,path) in
+ (* WARNING: the next two lines simply change the context of newgoalty
+ from the old to the new one. Otherwise mk_meta will do that herself,
+ calling relocate that calls delift. However, newgoalty is now
+ ?[out_scope] and thus the delift would trigger the special unification
+ case, which is wrong now :-( *)
+ let status,newgoalty = term_of_cic_term status newgoalty (ctx_of goalty) in
+ let newgoalty = mk_cic_term newgoalctx newgoalty in
+
let status, instance =
mk_meta status newgoalctx (`Decl newgoalty)
in
select_tac ~where ~job:(`Collect l) true;
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
- let status =
+ let goalty = get_goalty status goal in
+ let status,canon,rest =
+ match !l with
+ [] ->
+ (match where with
+ _,_,(None,_,_) -> fail (lazy "No term to generalize")
+ | txt,txtlen,(Some what,_,_) ->
+ let status, what =
+ disambiguate status (txt,txtlen,what) None (ctx_of goalty)
+ in
+ status,what,[]
+ )
+ | he::tl -> status,he,tl in
+ let status =
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 ; canon ]))
+ (fun s t -> unify s (ctx_of goalty) canon t) status rest 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 ; canon ]))
) s) ]
;;
-let eval_tac ~reduction ~where =
+let reduce_tac ~reduction ~where =
let change status t =
match reduction with
+ | `Normalize perform_delta ->
+ normalize status
+ ?delta:(if perform_delta then None else Some max_int) (ctx_of t) t
| `Whd perform_delta ->
- whd status
- ?delta:(if perform_delta then None else Some max_int) (ctx_of t) t
+ 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)
select0_tac ~where ~job:(`ChangeWith change)
;;
-let letin_tac ~where:(_,_,(m,hyp,gp)) ~what:(_,_,w) name =
- assert(m = None);
- let where = Some w, [],
- match gp with
- | None -> Some Ast.Implicit
- | Some where ->
- Some
- (List.fold_left
- (fun t _ ->
- Ast.Binder(`Pi,(Ast.Ident("_",None),Some Ast.UserInput),t))
- where hyp)
- in
- block_tac [
- generalize0_tac (List.map (fun (name,_) -> Ast.Ident (name,None)) hyp);
- exact_tac ("",0,Ast.LetIn((Ast.Ident (name,None),None),w,Ast.Implicit));
- change_tac ~where:("",0,where) ~with_what:("",0,Ast.Ident (name,None))
- ]
+let letin_tac ~where ~what:(_,_,w) name =
+ block_tac [
+ select_tac ~where ~job:(`Substexpand 1) true;
+ exact_tac ("",0,Ast.LetIn((Ast.Ident (name,None),None),w,Ast.Implicit));
+ ]
;;
let apply_tac = exact_tac;;
cases_tac
~where:("",0,(None,[],None))
~what:("",0,Ast.Ident (name,None));
- if name = "_clearme" then clear_tac ["_clearme"] else id_tac ]
+ if name = "_clearme" then clear_tac ["_clearme"] else id_tac ]
;;
-let assert_tac (hyps,concl) = distribute_tac (fun status goal ->
+let assert0_tac (hyps,concl) = distribute_tac (fun status goal ->
let gty = get_goalty status goal in
- let status,concl = disambiguate status concl None (ctx_of gty) in
- let status,concl = term_of_cic_term status concl (ctx_of gty) in
+ let eq status ctx t1 t2 =
+ let status,t1 = disambiguate status t1 None ctx in
+ let status,t1 = apply_subst status ctx t1 in
+ let status,t1 = term_of_cic_term status t1 ctx in
+ let t2 = mk_cic_term ctx t2 in
+ let status,t2 = apply_subst status ctx t2 in
+ let status,t2 = term_of_cic_term status t2 ctx in
+ prerr_endline ("COMPARING: " ^ NCicPp.ppterm ~subst:[] ~metasenv:[] ~context:ctx t1 ^ " vs " ^ NCicPp.ppterm ~subst:[] ~metasenv:[] ~context:ctx t2);
+ assert (t1=t2);
+ status
+ in
let status,gty' = term_of_cic_term status gty (ctx_of gty) in
- assert (concl=gty');
+ let status = eq status (ctx_of gty) concl gty' in
let status,_ =
List.fold_right2
(fun (id1,e1) ((id2,e2) as item) (status,ctx) ->
- assert (id1=id2);
+ assert (id1=id2 || (prerr_endline (id1 ^ " vs " ^ id2); false));
match e1,e2 with
`Decl t1, NCic.Decl t2 ->
- let status,t1 = disambiguate status t1 None ctx in
- let status,t1 = apply_subst status ctx t1 in
- let status,t1 = term_of_cic_term status t1 ctx in
- let t2 = mk_cic_term ctx t2 in
- let status,t2 = apply_subst status ctx t2 in
- let status,t2 = term_of_cic_term status t2 ctx in
- assert (t1=t2);
+ let status = eq status ctx t1 t2 in
status,item::ctx
| `Def (b1,t1), NCic.Def (b2,t2) ->
- let status,t1 = disambiguate status t1 None ctx in
- let status,t1 = apply_subst status ctx t1 in
- let status,t1 = term_of_cic_term status t1 ctx in
- let status,b1 = disambiguate status b1 None ctx in
- let status,b1 = apply_subst status ctx b1 in
- let status,b1 = term_of_cic_term status b1 ctx in
- let t2 = mk_cic_term ctx t2 in
- let status,t2 = apply_subst status ctx t2 in
- let status,t2 = term_of_cic_term status t2 ctx in
- let b2 = mk_cic_term ctx b2 in
- let status,b2 = apply_subst status ctx b2 in
- let status,b2 = term_of_cic_term status b2 ctx in
- assert (t1=t2 && b1=b2);
+ let status = eq status ctx t1 t2 in
+ let status = eq status ctx b1 b2 in
status,item::ctx
| _ -> assert false
) hyps (ctx_of gty) (status,[])
in
exec id_tac status goal)
;;
+
+let assert_tac seqs status =
+ match status.gstatus with
+ | [] -> assert false
+ | (g,_,_,_) :: s ->
+ assert (List.length g = List.length seqs);
+ (match seqs with
+ [] -> id_tac
+ | [seq] -> assert0_tac seq
+ | _ ->
+ block_tac
+ (branch_tac::
+ HExtlib.list_concat ~sep:[shift_tac]
+ (List.map (fun seq -> [assert0_tac seq]) seqs)@
+ [merge_tac])
+ ) status
+;;
+
+let auto ~params:(l,_) status goal =
+ let gty = get_goalty status goal in
+ let n,h,metasenv,subst,o = status.pstatus in
+ let status,t = term_of_cic_term status gty (ctx_of gty) in
+ let status, l =
+ List.fold_left
+ (fun (status, l) t ->
+ let status, t = disambiguate status t None (ctx_of gty) in
+ let status, ty = typeof status (ctx_of t) t in
+ let status, t = term_of_cic_term status t (ctx_of gty) in
+ let status, ty = term_of_cic_term status ty (ctx_of ty) in
+ (status, (t,ty) :: l))
+ (status,[]) l
+ in
+ let rdb = status.estatus in
+ let pt, metasenv, subst =
+ Paramod.nparamod rdb metasenv subst (ctx_of gty) (NCic.Rel ~-1,t) l
+ in
+ let status = { status with pstatus = n,h,metasenv,subst,o } in
+ instantiate status goal (NTacStatus.mk_cic_term (ctx_of gty) pt)
+;;
+
+let auto_tac ~params status =
+ distribute_tac (auto ~params) status
+;;
projects / helm.git / blobdiff