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-rw-r--r--proofs/logic.ml21
1 files changed, 10 insertions, 11 deletions
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)