diff options
Diffstat (limited to 'checker/closure.ml')
| -rw-r--r-- | checker/closure.ml | 10 |
1 files changed, 5 insertions, 5 deletions
diff --git a/checker/closure.ml b/checker/closure.ml index 58c80b521..2227e392e 100644 --- a/checker/closure.ml +++ b/checker/closure.ml @@ -610,15 +610,15 @@ let strip_update_shift_app head stk = let get_nth_arg head n stk = assert (head.norm <> Red); - let rec strip_rec rstk h depth n = function + let rec strip_rec rstk h n = function | Zshift(k) as e :: s -> - strip_rec (e::rstk) (lift_fconstr k h) (depth+k) n s + strip_rec (e::rstk) (lift_fconstr k h) n s | Zapp args::s' -> let q = Array.length args in if n >= q then strip_rec (Zapp args::rstk) - {norm=h.norm;term=FApp(h,args)} depth (n-q) s' + {norm=h.norm;term=FApp(h,args)} (n-q) s' else let bef = Array.sub args 0 n in let aft = Array.sub args (n+1) (q-n-1) in @@ -626,9 +626,9 @@ let get_nth_arg head n stk = List.rev (if n = 0 then rstk else (Zapp bef :: rstk)) in (Some (stk', args.(n)), append_stack aft s') | Zupdate(m)::s -> - strip_rec rstk (update m (h.norm,h.term)) depth n s + strip_rec rstk (update m (h.norm,h.term)) n s | s -> (None, List.rev rstk @ s) in - strip_rec [] head 0 n stk + strip_rec [] head n stk (* Beta reduction: look for an applied argument in the stack. Since the encountered update marks are removed, h must be a whnf *) |