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-rw-r--r--proofs/clenv.ml14
-rw-r--r--proofs/logic.ml21
2 files changed, 19 insertions, 16 deletions
diff --git a/proofs/clenv.ml b/proofs/clenv.ml
index 00ac5a0624..44d3b44077 100644
--- a/proofs/clenv.ml
+++ b/proofs/clenv.ml
@@ -268,7 +268,7 @@ let meta_reducible_instance env evd b =
let rec irec u =
let u = whd_betaiota env Evd.empty u (* FIXME *) in
match EConstr.kind evd u with
- | Case (ci,p,iv,c,bl) when EConstr.isMeta evd (strip_outer_cast evd c) ->
+ | Case (ci,u,pms,p,iv,c,bl) when EConstr.isMeta evd (strip_outer_cast evd c) ->
let m = destMeta evd (strip_outer_cast evd c) in
(match
try
@@ -277,8 +277,10 @@ let meta_reducible_instance env evd b =
if isConstruct evd g || not is_coerce then Some g else None
with Not_found -> None
with
- | Some g -> irec (mkCase (ci,p,iv,g,bl))
- | None -> mkCase (ci,irec p,iv,c,Array.map irec bl))
+ | Some g -> irec (mkCase (ci,u,pms,p,iv,g,bl))
+ | None ->
+ let on_ctx (na, c) = (na, irec c) in
+ mkCase (ci,u,Array.map irec pms,on_ctx p,iv,c,Array.map on_ctx bl))
| App (f,l) when EConstr.isMeta evd (strip_outer_cast evd f) ->
let m = destMeta evd (strip_outer_cast evd f) in
(match
@@ -627,8 +629,10 @@ let clenv_cast_meta clenv =
else mkCast (mkMeta mv, DEFAULTcast, b)
with Not_found -> u)
| App(f,args) -> mkApp (crec_hd f, Array.map crec args)
- | Case(ci,p,iv,c,br) ->
- mkCase (ci, crec_hd p, map_invert crec_hd iv, crec_hd c, Array.map crec br)
+ | Case(ci,u,pms,p,iv,c,br) ->
+ (* FIXME: we only change c because [p] is always a lambda and [br] is
+ most of the time??? *)
+ mkCase (ci, u, pms, p, iv, crec_hd c, br)
| Proj (p, c) -> mkProj (p, crec_hd c)
| _ -> u
in
diff --git a/proofs/logic.ml b/proofs/logic.ml
index f159395177..cb67d42bdc 100644
--- a/proofs/logic.ml
+++ b/proofs/logic.ml
@@ -265,15 +265,12 @@ let collect_meta_variables c =
let rec collrec deep acc c = match kind c with
| Meta mv -> if deep then error_unsupported_deep_meta () else mv::acc
| Cast(c,_,_) -> collrec deep acc c
- | Case(ci,p,iv,c,br) ->
- (* Hack assuming only two situations: the legacy one that branches,
- if with Metas, are Meta, and the new one with eta-let-expanded
- branches *)
- let br = Array.map2 (fun n b -> try snd (Term.decompose_lam_n_decls n b) with UserError _ -> b) ci.ci_cstr_ndecls br in
- let acc = Constr.fold (collrec deep) acc p in
+ | Case(ci,u,pms,p,iv,c,br) ->
+ let acc = Array.fold_left (collrec deep) acc pms in
+ let acc = Constr.fold (collrec deep) acc (snd p) in
let acc = Constr.fold_invert (collrec deep) acc iv in
let acc = Constr.fold (collrec deep) acc c in
- Array.fold_left (collrec deep) acc br
+ Array.fold_left (fun accu (_, br) -> collrec deep accu br) acc br
| App _ -> Constr.fold (collrec deep) acc c
| Proj (_, c) -> collrec deep acc c
| _ -> Constr.fold (collrec true) acc c
@@ -369,15 +366,16 @@ let rec mk_refgoals ~check env sigma goalacc conclty trm =
let ty = EConstr.Unsafe.to_constr ty in
(acc',ty,sigma,c)
- | Case (ci,p,iv,c,lf) ->
+ | Case (ci, u, pms, p, iv, c, lf) ->
(* XXX Is ignoring iv OK? *)
+ let (ci, p, iv, c, lf) = Inductive.expand_case env (ci, u, pms, p, iv, c, lf) in
let (acc',lbrty,conclty',sigma,p',c') = mk_casegoals ~check env sigma goalacc p c in
let sigma = check_conv_leq_goal ~check env sigma trm conclty' conclty in
let (acc'',sigma,rbranches) = treat_case ~check env sigma ci lbrty lf acc' in
let lf' = Array.rev_of_list rbranches in
let ans =
if p' == p && c' == c && Array.equal (==) lf' lf then trm
- else mkCase (ci,p',iv,c',lf')
+ else mkCase (Inductive.contract_case env (ci,p',iv,c',lf'))
in
(acc'',conclty',sigma, ans)
@@ -418,14 +416,15 @@ and mk_hdgoals ~check env sigma goalacc trm =
let ans = if applicand == f && args == l then trm else mkApp (applicand, args) in
(acc'',conclty',sigma, ans)
- | Case (ci,p,iv,c,lf) ->
+ | Case (ci, u, pms, p, iv, c, lf) ->
(* XXX is ignoring iv OK? *)
+ let (ci, p, iv, c, lf) = Inductive.expand_case env (ci, u, pms, p, iv, c, lf) in
let (acc',lbrty,conclty',sigma,p',c') = mk_casegoals ~check env sigma goalacc p c in
let (acc'',sigma,rbranches) = treat_case ~check env sigma ci lbrty lf acc' in
let lf' = Array.rev_of_list rbranches in
let ans =
if p' == p && c' == c && Array.equal (==) lf' lf then trm
- else mkCase (ci,p',iv,c',lf')
+ else mkCase (Inductive.contract_case env (ci,p',iv,c',lf'))
in
(acc'',conclty',sigma, ans)