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-rw-r--r--checker/reduction.ml16
1 files changed, 6 insertions, 10 deletions
diff --git a/checker/reduction.ml b/checker/reduction.ml
index 6d8783d7e..9b8eac04c 100644
--- a/checker/reduction.ml
+++ b/checker/reduction.ml
@@ -42,8 +42,8 @@ let compare_stack_shape stk1 stk2 =
| (_, Zapp l2::s2) -> compare_rec (bal-Array.length l2) stk1 s2
| (Zproj (n1,m1,p1)::s1, Zproj (n2,m2,p2)::s2) ->
Int.equal bal 0 && compare_rec 0 s1 s2
- | ((Zcase(c1,_,_)|ZcaseT(c1,_,_,_))::s1,
- (Zcase(c2,_,_)|ZcaseT(c2,_,_,_))::s2) ->
+ | ((ZcaseT(c1,_,_,_))::s1,
+ (ZcaseT(c2,_,_,_))::s2) ->
bal=0 (* && c1.ci_ind = c2.ci_ind *) && compare_rec 0 s1 s2
| (Zfix(_,a1)::s1, Zfix(_,a2)::s2) ->
bal=0 && compare_rec 0 a1 a2 && compare_rec 0 s1 s2
@@ -78,8 +78,7 @@ let pure_stack lfts stk =
(l, Zlfix((lfx,fx),pa)::pstk)
| (ZcaseT(ci,p,br,env),(l,pstk)) ->
(l,Zlcase(ci,l,mk_clos env p,mk_clos_vect env br)::pstk)
- | (Zcase(ci,p,br),(l,pstk)) ->
- (l,Zlcase(ci,l,p,br)::pstk)) in
+ ) in
snd (pure_rec lfts stk)
(****************************************************************************)
@@ -243,7 +242,6 @@ let rec no_arg_available = function
| Zshift _ :: stk -> no_arg_available stk
| Zapp v :: stk -> Array.length v = 0 && no_arg_available stk
| Zproj _ :: _ -> true
- | Zcase _ :: _ -> true
| ZcaseT _ :: _ -> true
| Zfix _ :: _ -> true
@@ -256,7 +254,6 @@ let rec no_nth_arg_available n = function
if n >= k then no_nth_arg_available (n-k) stk
else false
| Zproj _ :: _ -> true
- | Zcase _ :: _ -> true
| ZcaseT _ :: _ -> true
| Zfix _ :: _ -> true
@@ -266,13 +263,12 @@ let rec no_case_available = function
| Zshift _ :: stk -> no_case_available stk
| Zapp _ :: stk -> no_case_available stk
| Zproj (_,_,_) :: _ -> false
- | Zcase _ :: _ -> false
| ZcaseT _ :: _ -> false
| Zfix _ :: _ -> true
let in_whnf (t,stk) =
match fterm_of t with
- | (FLetIn _ | FCase _ | FCaseT _ | FApp _ | FCLOS _ | FLIFT _ | FCast _) -> false
+ | (FLetIn _ | FCaseT _ | FApp _ | FCLOS _ | FLIFT _ | FCast _) -> false
| FLambda _ -> no_arg_available stk
| FConstruct _ -> no_case_available stk
| FCoFix _ -> no_case_available stk
@@ -504,8 +500,8 @@ and eqappr univ cv_pb infos (lft1,st1) (lft2,st2) =
else raise NotConvertible
(* Should not happen because both (hd1,v1) and (hd2,v2) are in whnf *)
- | ( (FLetIn _, _) | (FCase _,_) | (FCaseT _,_) | (FApp _,_) | (FCLOS _,_) | (FLIFT _,_)
- | (_, FLetIn _) | (_,FCase _) | (_,FCaseT _) | (_,FApp _) | (_,FCLOS _) | (_,FLIFT _)
+ | ( (FLetIn _, _) | (FCaseT _,_) | (FApp _,_) | (FCLOS _,_) | (FLIFT _,_)
+ | (_, FLetIn _) | (_,FCaseT _) | (_,FApp _) | (_,FCLOS _) | (_,FLIFT _)
| (FLOCKED,_) | (_,FLOCKED) ) -> assert false
(* In all other cases, terms are not convertible *)