diff options
Diffstat (limited to 'interp/notation_ops.ml')
| -rw-r--r-- | interp/notation_ops.ml | 17 |
1 files changed, 11 insertions, 6 deletions
diff --git a/interp/notation_ops.ml b/interp/notation_ops.ml index 326d05cba..2e3f19a37 100644 --- a/interp/notation_ops.ml +++ b/interp/notation_ops.ml @@ -1084,11 +1084,18 @@ let rec match_ inner u alp metas sigma a1 a2 = | _ -> match_binders u alp metas na1 na2 (match_in u alp metas sigma t1 t2) b1 b2 end - - | GProd (na,bk,t,b1), NProd (Name id,_,b2) - when is_bindinglist_meta id metas && na != Anonymous -> - let alp,sigma = bind_bindinglist_env alp sigma id [DAst.make ?loc @@ GLocalAssum (na,bk,t)] in + | GProd (na1, bk, t1, b1), NProd (na2, t2, b2) -> + begin match na1, DAst.get b1, na2 with + | Name p, GCases (LetPatternStyle,None,[(e,_)],[(_,(ids,[cp],b1))]), Name id + when is_gvar p e && is_bindinglist_meta id metas && not (occur_glob_constr p b1) -> + let alp,sigma = bind_bindinglist_env alp sigma id [DAst.make ?loc @@ GLocalPattern ((cp,ids),p,bk,t1)] in match_in u alp metas sigma b1 b2 + | _, _, Name id when is_bindinglist_meta id metas && na1 != Anonymous -> + let alp,sigma = bind_bindinglist_env alp sigma id [DAst.make ?loc @@ GLocalAssum (na1,bk,t1)] in + match_in u alp metas sigma b1 b2 + | _ -> + match_binders u alp metas na1 na2 (match_in u alp metas sigma t1 t2) b1 b2 + end (* Matching compositionally *) | GVar id1, NVar id2 when alpha_var id1 id2 (fst alp) -> sigma @@ -1104,8 +1111,6 @@ let rec match_ inner u alp metas sigma a1 a2 = let may_use_eta = does_not_come_from_already_eta_expanded_var f1 in List.fold_left2 (match_ may_use_eta u alp metas) (match_in u alp metas sigma f1 f2) l1 l2 - | GProd (na1,_,t1,b1), NProd (na2,t2,b2) -> - match_binders u alp metas na1 na2 (match_in u alp metas sigma t1 t2) b1 b2 | GLetIn (na1,b1,_,c1), NLetIn (na2,b2,None,c2) | GLetIn (na1,b1,None,c1), NLetIn (na2,b2,_,c2) -> match_binders u alp metas na1 na2 (match_in u alp metas sigma b1 b2) c1 c2 |