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-rw-r--r--contrib/funind/invfun.ml76
1 files changed, 41 insertions, 35 deletions
diff --git a/contrib/funind/invfun.ml b/contrib/funind/invfun.ml
index c7a3d164..63d44916 100644
--- a/contrib/funind/invfun.ml
+++ b/contrib/funind/invfun.ml
@@ -16,6 +16,7 @@ open Tacticals
open Tactics
open Indfun_common
open Tacmach
+open Termops
open Sign
open Hiddentac
@@ -23,13 +24,13 @@ open Hiddentac
let pr_binding prc =
function
- | loc, Rawterm.NamedHyp id, c -> hov 1 (Ppconstr.pr_id id ++ str " := " ++ Pp.cut () ++ prc c)
- | loc, Rawterm.AnonHyp n, c -> hov 1 (int n ++ str " := " ++ Pp.cut () ++ prc c)
+ | loc, Rawterm.NamedHyp id, (_,c) -> hov 1 (Ppconstr.pr_id id ++ str " := " ++ Pp.cut () ++ prc c)
+ | loc, Rawterm.AnonHyp n, (_,c) -> hov 1 (int n ++ str " := " ++ Pp.cut () ++ prc c)
let pr_bindings prc prlc = function
| Rawterm.ImplicitBindings l ->
brk (1,1) ++ str "with" ++ brk (1,1) ++
- Util.prlist_with_sep spc prc l
+ Util.prlist_with_sep spc (fun (_,c) -> prc c) l
| Rawterm.ExplicitBindings l ->
brk (1,1) ++ str "with" ++ brk (1,1) ++
Util.prlist_with_sep spc (fun b -> str"(" ++ pr_binding prlc b ++ str")") l
@@ -59,13 +60,13 @@ let observennl strm =
let do_observe_tac s tac g =
- try let goal = begin try (Printer.pr_goal (sig_it g)) with _ -> assert false end in
- let v = tac g in msgnl (goal ++ fnl () ++ s ++(str " ")++(str "finished")); v
- with e ->
- let goal = begin try (Printer.pr_goal (sig_it g)) with _ -> assert false end in
- msgnl (str "observation "++ s++str " raised exception " ++
- Cerrors.explain_exn e ++ str " on goal " ++ goal );
- raise e;;
+ let goal = begin try (Printer.pr_goal (sig_it g)) with _ -> assert false end in
+ try
+ let v = tac g in msgnl (goal ++ fnl () ++ s ++(str " ")++(str "finished")); v
+ with e ->
+ msgnl (str "observation "++ s++str " raised exception " ++
+ Cerrors.explain_exn e ++ str " on goal " ++ goal );
+ raise e;;
let observe_tac s tac g =
@@ -314,7 +315,7 @@ let prove_fun_correct functional_induction funs_constr graphs_constr schemes lem
| None -> (id::pre_args,pre_tac)
| Some b ->
(pre_args,
- tclTHEN (h_reduce (Rawterm.Unfold([[],EvalVarRef id])) allHyps) pre_tac
+ tclTHEN (h_reduce (Rawterm.Unfold([Rawterm.all_occurrences_expr,EvalVarRef id])) allHyps) pre_tac
)
else (pre_args,pre_tac)
@@ -425,7 +426,7 @@ let prove_fun_correct functional_induction funs_constr graphs_constr schemes lem
List.fold_left2
(fun (bindings,avoid) (x,_,_) p ->
let id = Nameops.next_ident_away (Nameops.out_name x) avoid in
- (dummy_loc,Rawterm.NamedHyp id,p)::bindings,id::avoid
+ (dummy_loc,Rawterm.NamedHyp id,inj_open p)::bindings,id::avoid
)
([],pf_ids_of_hyps g)
princ_infos.params
@@ -435,7 +436,7 @@ let prove_fun_correct functional_induction funs_constr graphs_constr schemes lem
List.rev (fst (List.fold_left2
(fun (bindings,avoid) (x,_,_) p ->
let id = Nameops.next_ident_away (Nameops.out_name x) avoid in
- (dummy_loc,Rawterm.NamedHyp id,nf_zeta p)::bindings,id::avoid)
+ (dummy_loc,Rawterm.NamedHyp id,inj_open (nf_zeta p))::bindings,id::avoid)
([],avoid)
princ_infos.predicates
(lemmas)))
@@ -461,14 +462,14 @@ let prove_fun_correct functional_induction funs_constr graphs_constr schemes lem
]
g
-(* [generalize_depedent_of x hyp g]
+(* [generalize_dependent_of x hyp g]
generalize every hypothesis which depends of [x] but [hyp]
*)
-let generalize_depedent_of x hyp g =
+let generalize_dependent_of x hyp g =
tclMAP
(function
| (id,None,t) when not (id = hyp) &&
- (Termops.occur_var (pf_env g) x t) -> h_generalize [mkVar id]
+ (Termops.occur_var (pf_env g) x t) -> tclTHEN (h_generalize [mkVar id]) (thin [id])
| _ -> tclIDTAC
)
(pf_hyps g)
@@ -490,12 +491,17 @@ and intros_with_rewrite_aux : tactic =
| Prod(_,t,t') ->
begin
match kind_of_term t with
- | App(eq,args) when (eq_constr eq eq_ind) ->
- if isVar args.(1)
+ | App(eq,args) when (eq_constr eq eq_ind) ->
+ if Reductionops.is_conv (pf_env g) (project g) args.(1) args.(2)
+ then
+ let id = pf_get_new_id (id_of_string "y") g in
+ tclTHENSEQ [ h_intro id; thin [id]; intros_with_rewrite ] g
+
+ else if isVar args.(1)
then
let id = pf_get_new_id (id_of_string "y") g in
tclTHENSEQ [ h_intro id;
- generalize_depedent_of (destVar args.(1)) id;
+ generalize_dependent_of (destVar args.(1)) id;
tclTRY (Equality.rewriteLR (mkVar id));
intros_with_rewrite
]
@@ -513,7 +519,7 @@ and intros_with_rewrite_aux : tactic =
Tauto.tauto g
| Case(_,_,v,_) ->
tclTHENSEQ[
- h_case (v,Rawterm.NoBindings);
+ h_case false (v,Rawterm.NoBindings);
intros_with_rewrite
] g
| LetIn _ ->
@@ -550,7 +556,7 @@ let rec reflexivity_with_destruct_cases g =
match kind_of_term (snd (destApp (pf_concl g))).(2) with
| Case(_,_,v,_) ->
tclTHENSEQ[
- h_case (v,Rawterm.NoBindings);
+ h_case false (v,Rawterm.NoBindings);
intros;
observe_tac "reflexivity_with_destruct_cases" reflexivity_with_destruct_cases
]
@@ -567,9 +573,9 @@ let rec reflexivity_with_destruct_cases g =
match kind_of_term (pf_type_of g (mkVar id)) with
| App(eq,[|_;t1;t2|]) when eq_constr eq eq_ind ->
if Equality.discriminable (pf_env g) (project g) t1 t2
- then Equality.discr id g
+ then Equality.discrHyp id g
else if Equality.injectable (pf_env g) (project g) t1 t2
- then tclTHENSEQ [Equality.inj [] id;thin [id];intros_with_rewrite] g
+ then tclTHENSEQ [Equality.injHyp id;thin [id];intros_with_rewrite] g
else tclIDTAC g
| _ -> tclIDTAC g
)
@@ -665,8 +671,8 @@ let prove_fun_complete funcs graphs schemes lemmas_types_infos i : tactic =
if infos.is_general || Rtree.is_infinite graph_def.mind_recargs
then
let eq_lemma =
- try out_some (infos).equation_lemma
- with Failure "out_some" -> anomaly "Cannot find equation lemma"
+ try Option.get (infos).equation_lemma
+ with Option.IsNone -> anomaly "Cannot find equation lemma"
in
tclTHENSEQ[
tclMAP h_intro ids;
@@ -682,7 +688,7 @@ let prove_fun_complete funcs graphs schemes lemmas_types_infos i : tactic =
h_generalize (List.map mkVar ids);
thin ids
]
- else unfold_in_concl [([],Names.EvalConstRef (destConst f))]
+ else unfold_in_concl [(all_occurrences,Names.EvalConstRef (destConst f))]
in
(* The proof of each branche itself *)
let ind_number = ref 0 in
@@ -706,7 +712,7 @@ let prove_fun_complete funcs graphs schemes lemmas_types_infos i : tactic =
(* we expand the definition of the function *)
observe_tac "rewrite_tac" (rewrite_tac this_ind_number this_branche_ids);
(* introduce hypothesis with some rewrite *)
- (intros_with_rewrite);
+ observe_tac "intros_with_rewrite" intros_with_rewrite;
(* The proof is (almost) complete *)
observe_tac "reflexivity" (reflexivity_with_destruct_cases)
]
@@ -720,7 +726,7 @@ let prove_fun_complete funcs graphs schemes lemmas_types_infos i : tactic =
(h_generalize [mkApp(applist(graph_principle,params),Array.map (fun c -> applist(c,params)) lemmas)]);
h_intro graph_principle_id;
observe_tac "" (tclTHEN_i
- (observe_tac "elim" ((elim (mkVar hres,Rawterm.NoBindings) (Some (mkVar graph_principle_id,Rawterm.NoBindings)))))
+ (observe_tac "elim" ((elim false (mkVar hres,Rawterm.NoBindings) (Some (mkVar graph_principle_id,Rawterm.NoBindings)))))
(fun i g -> observe_tac "prove_branche" (prove_branche i) g ))
]
g
@@ -769,7 +775,7 @@ let derive_correctness make_scheme functional_induction (funs: constant list) (g
Array.of_list
(List.map
(fun entry ->
- (entry.Entries.const_entry_body, out_some entry.Entries.const_entry_type )
+ (entry.Entries.const_entry_body, Option.get entry.Entries.const_entry_type )
)
(make_scheme (array_map_to_list (fun const -> const,Rawterm.RType None) funs))
)
@@ -960,13 +966,13 @@ let invfun qhyp f =
in
try
let finfos = find_Function_infos f in
- let f_correct = mkConst(out_some finfos.correctness_lemma)
+ let f_correct = mkConst(Option.get finfos.correctness_lemma)
and kn = fst finfos.graph_ind
in
Tactics.try_intros_until (fun hid -> functional_inversion kn hid (mkConst f) f_correct) qhyp
with
| Not_found -> error "No graph found"
- | Failure "out_some" -> error "Cannot use equivalence with graph!"
+ | Option.IsNone -> error "Cannot use equivalence with graph!"
let invfun qhyp f g =
@@ -983,23 +989,23 @@ let invfun qhyp f g =
try
if not (isConst f1) then failwith "";
let finfos = find_Function_infos (destConst f1) in
- let f_correct = mkConst(out_some finfos.correctness_lemma)
+ let f_correct = mkConst(Option.get finfos.correctness_lemma)
and kn = fst finfos.graph_ind
in
functional_inversion kn hid f1 f_correct g
- with | Failure "" | Failure "out_some" | Not_found ->
+ with | Failure "" | Option.IsNone | Not_found ->
try
let f2,_ = decompose_app args.(2) in
if not (isConst f2) then failwith "";
let finfos = find_Function_infos (destConst f2) in
- let f_correct = mkConst(out_some finfos.correctness_lemma)
+ let f_correct = mkConst(Option.get finfos.correctness_lemma)
and kn = fst finfos.graph_ind
in
functional_inversion kn hid f2 f_correct g
with
| Failure "" ->
errorlabstrm "" (str "Hypothesis" ++ Ppconstr.pr_id hid ++ str " must contain at leat one Function")
- | Failure "out_some" ->
+ | Option.IsNone ->
if do_observe ()
then
error "Cannot use equivalence with graph for any side of the equality"