match tty with (* some inductive type *)
(C.MutInd (turi,typeno,exp_named_subst))
| (C.Appl (C.MutInd (turi,typeno,exp_named_subst)::_)) ->
- prerr_endline ("XXXX term " ^ CicPp.ppterm term) ;
- prerr_endline ("XXXX termty " ^ CicPp.ppterm termty) ;
- prerr_endline ("XXXX t1 " ^ CicPp.ppterm t1) ;
- prerr_endline ("XXXX t2 " ^ CicPp.ppterm t2) ;
- prerr_endline ("XXXX tty " ^ CicPp.ppterm tty) ;
let t1',t2',consno = (* sono i due sottotermini che differiscono *)
match t1,t2 with
((C.Appl ((C.MutConstruct (uri1,typeno1,consno1,exp_named_subst1))::applist1)),
(C.Appl ((C.MutConstruct (uri2,typeno2,consno2,exp_named_subst2))::applist2)))
when (uri1 = uri2) && (typeno1 = typeno2) && (consno1 = consno2) && (exp_named_subst1 = exp_named_subst2) -> (* controllo ridondante *)
(List.nth applist1 (i-1)),(List.nth applist2 (i-1)),consno2
- | _ -> raise (ProofEngineTypes.Fail "Injection: qui non dovrei capitarci mai")
+ | _ -> assert false
in
let tty',_ =
CicTypeChecker.type_of_aux' metasenv context t1'
CicUniv.empty_ugraph in
- prerr_endline ("XXXX tty' " ^ CicPp.ppterm tty') ;
- prerr_endline ("XXXX t1' " ^ CicPp.ppterm t1') ;
- prerr_endline ("XXXX t2' " ^ CicPp.ppterm t2') ;
- prerr_endline ("XXXX consno " ^ string_of_int consno) ;
let pattern =
match fst(CicEnvironment.get_obj
CicUniv.empty_ugraph turi ) with
- C.InductiveDefinition (ind_type_list,_,nr_ind_params_dx) ->
+ C.InductiveDefinition (ind_type_list,_,nr_ind_params_dx,_) ->
let _,_,_,constructor_list = (List.nth ind_type_list typeno) in
let i_constr_id,_ = List.nth constructor_list (consno - 1) in
List.map
constructor_list
| _ -> raise (ProofEngineTypes.Fail "Discriminate: object is not an Inductive Definition: it's imposible")
in
- prerr_endline ("XXXX cominciamo!") ;
ProofEngineTypes.apply_tactic
(T.thens
~start:(P.cut_tac (C.Appl [(C.MutInd (equri,0,[])) ; tty' ; t1' ; t2']))
let (proof, goal) = status in
let _,metasenv,_,_ = proof in
let _,context,gty = CicUtil.lookup_meta goal metasenv in
- prerr_endline ("XXXX goal " ^ string_of_int goal) ;
- prerr_endline ("XXXX gty " ^ CicPp.ppterm gty) ;
- prerr_endline ("XXXX old t1' " ^ CicPp.ppterm t1') ;
- prerr_endline ("XXXX change " ^ CicPp.ppterm (C.Appl [ C.Lambda (C.Name "x", tty, C.MutCase (turi, typeno, (C.Lambda ((C.Name "x"),(S.lift 1 tty),(S.lift 2 tty'))), (C.Rel 1), pattern)); t1])) ;
let new_t1' =
match gty with
(C.Appl (C.MutInd (_,_,_)::arglist)) ->
List.nth arglist 1
| _ -> raise (ProofEngineTypes.Fail "Injection: goal after cut is not correct")
in
- prerr_endline ("XXXX new t1' " ^ CicPp.ppterm new_t1') ;
ProofEngineTypes.apply_tactic
(P.change_tac
~what:new_t1'
let consno2 = (* bruuutto: uso un eccezione per terminare con successo! buuu!! :-/ *)
try
let rec traverse t1 t2 =
-prerr_endline ("XXXX t1 " ^ CicPp.ppterm t1) ;
-prerr_endline ("XXXX t2 " ^ CicPp.ppterm t2) ;
match t1,t2 with
((C.MutConstruct (uri1,typeno1,consno1,exp_named_subst1)),
(C.MutConstruct (uri2,typeno2,consno2,exp_named_subst2)))
in traverse t1 t2
with (TwoDifferentSubtermsFound consno2) -> consno2
in
-prerr_endline ("XXXX consno2 " ^ (string_of_int consno2)) ;
if consno2 = 0
then raise (ProofEngineTypes.Fail "Discriminate: Discriminating terms are structurally equal")
else
(* a list of "True" except for the element in position consno2 which is "False" *)
match fst(CicEnvironment.get_obj
CicUniv.empty_ugraph turi) with
- C.InductiveDefinition (ind_type_list,_,nr_ind_params) ->
-prerr_endline ("XXXX nth " ^ (string_of_int (List.length ind_type_list)) ^ " " ^ (string_of_int typeno)) ;
+ C.InductiveDefinition (ind_type_list,_,nr_ind_params,_) ->
let _,_,_,constructor_list = (List.nth ind_type_list typeno) in
-prerr_endline ("XXXX nth " ^ (string_of_int (List.length constructor_list)) ^ " " ^ (string_of_int consno2)) ;
let false_constr_id,_ = List.nth constructor_list (consno2 - 1) in
-prerr_endline ("XXXX nth funzionano ") ;
List.map
(function (id,cty) ->
let red_ty = CicReduction.whd context cty in (* dubbio: e' corretto ridurre in questo context ??? *)
)
~continuation:
(
-let u = CicUniv.empty_ugraph in
-prerr_endline ("XXXX rewrite<-: " ^ CicPp.ppterm (fst (CicTypeChecker.type_of_aux' metasenv' context' (C.Appl [(C.MutInd (equri,0,[])) ; tty ; t1 ; t2]) u)));
-prerr_endline ("XXXX rewrite<-: " ^ CicPp.ppterm (C.Appl [(C.MutInd (equri,0,[])) ; tty ; t1 ; t2])) ;
-prerr_endline ("XXXX equri: " ^ U.string_of_uri equri) ;
-prerr_endline ("XXXX tty : " ^ CicPp.ppterm tty) ;
-prerr_endline ("XXXX tt1': " ^ CicPp.ppterm (fst(CicTypeChecker.type_of_aux' metasenv' context' t1 u))) ;
-prerr_endline ("XXXX tt2': " ^ CicPp.ppterm (fst(CicTypeChecker.type_of_aux' metasenv' context' t2 u))) ;
-if (fst (CicTypeChecker.type_of_aux' metasenv' context' t1 u)) <> tty then
-prerr_endline ("XXXX tt1': " ^ CicPp.ppterm (fst (CicTypeChecker.type_of_aux' metasenv' context' t1 u))) ;
-if (fst(CicTypeChecker.type_of_aux' metasenv' context' t2 u)) <> tty then
-prerr_endline ("XXXX tt2': " ^ CicPp.ppterm (fst(CicTypeChecker.type_of_aux' metasenv' context' t2 u))) ;
-if (fst(CicTypeChecker.type_of_aux' metasenv' context' t1 u)) <>
-(fst (CicTypeChecker.type_of_aux' metasenv' context' t2 u))
- then prerr_endline ("XXXX tt1': " ^ CicPp.ppterm (fst(CicTypeChecker.type_of_aux' metasenv' context' t1 u))) ; prerr_endline ("XXXX tt2': " ^ CicPp.ppterm (fst(CicTypeChecker.type_of_aux' metasenv' context' t2 u))) ;
-prerr_endline ("XXXX rewrite<- " ^ CicPp.ppterm term ^ " : " ^ CicPp.ppterm (fst(CicTypeChecker.type_of_aux' metasenv' context' term u)));
T.then_
~start:(EqualityTactics.rewrite_back_simpl_tac ~term)
~continuation:(IntroductionTactics.constructor_tac ~n:1)
projects / helm.git / blobdiff