-(* | C.AMutCase (id, uri, tyno, outty, arg, cases) as v ->
- begin match Cn.mk_ind st.context id uri tyno outty arg cases with
- | None -> [T.LetIn (name, v, dtext)]
- | Some v -> mk_fwd_proof st dtext name v
- end
-*) | C.ACast (_, v, _) ->
- mk_fwd_proof st dtext name v
- | v ->
- match get_inner_types st v with
- | Some (ity, _) ->
- let qs = [[T.Id ""]; mk_proof (next st) v] in
- [T.Branch (qs, ""); T.Cut (name, ity, dtext)]
- | _ ->
- [T.LetIn (name, v, dtext)]
-
-and mk_proof st = function
- | C.ALambda (_, name, v, t) ->
- let entry = Some (name, C.Decl (cic v)) in
- let intro = get_intro name t in
- mk_proof (add st entry intro) t
- | C.ALetIn (_, name, v, t) as what ->
- let proceed, dtext = test_depth st in
- let script = if proceed then
- let entry = Some (name, C.Def (cic v, None)) in
- let intro = get_intro name t in
- let q = mk_proof (next (add st entry intro)) t in
- List.rev_append (mk_fwd_proof st dtext intro v) q
- else
- [T.Apply (what, dtext)]
- in
- mk_intros st script
- | C.ARel _ as what ->
- let _, dtext = test_depth st in
- let text = "assumption" in
- let script = [T.Apply (what, dtext ^ text)] in
- mk_intros st script
- | C.AMutConstruct _ as what ->
- let _, dtext = test_depth st in
- let script = [T.Apply (what, dtext)] in
- mk_intros st script
- | C.AAppl (_, hd :: tl) as t ->
- let proceed, dtext = test_depth st in
- let script = if proceed then
- let ty = get_type "TC2" st hd in
- let (classes, rc) as h = Cl.classify st.context ty in
- let premises, _ = P.split st.context ty in
- let decurry = List.length classes - List.length tl in
- if decurry <> 0 then
- Printf.eprintf "DECURRY: %u %s\n" decurry (CicPp.ppterm (cic t));
- assert (decurry = 0);
- if decurry < 0 then mk_proof (clear st) (appl_expand decurry t) else
- if decurry > 0 then mk_proof (clear st) (eta_expand decurry t) else
- let synth = I.S.singleton 0 in
- let text = Printf.sprintf "%u %s" (List.length classes) (Cl.to_string h) in
- match rc with
- | Some (i, j) when i > 1 && i <= List.length classes && M.is_eliminator premises ->
- let classes, tl, _, what = split2_last classes tl in
- let script, what = mk_atomic st dtext what in
- let synth = I.S.add 1 synth in
- let qs = mk_bkd_proofs (next st) synth classes tl in
- if is_rewrite_right hd then
- mk_rewrite st dtext script t what qs tl false
- else if is_rewrite_left hd then
- mk_rewrite st dtext script t what qs tl true
- else
- let using = Some hd in
- List.rev script @ convert st t @
- [T.Elim (what, using, dtext ^ text); T.Branch (qs, "")]
- | _ ->
- let qs = mk_bkd_proofs (next st) synth classes tl in
- let script, hd = mk_atomic st dtext hd in
- List.rev script @ convert st t @
- [T.Apply (hd, dtext ^ text); T.Branch (qs, "")]
- else
- [T.Apply (t, dtext)]
- in
- mk_intros st script
- | C.AMutCase (id, uri, tyno, outty, arg, cases) as t ->
- begin match Cn.mk_ind st.context id uri tyno outty arg cases with
- | _ (* None *) ->
- let text = Printf.sprintf "%s" "UNEXPANDED: mutcase" in
- let script = [T.Note text] in
- mk_intros st script
-(* | Some t -> mk_proof st t *)