diff options
author | Pierre-Marie Pédrot <pierre-marie.pedrot@inria.fr> | 2017-12-02 20:18:10 +0100 |
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committer | Pierre-Marie Pédrot <pierre-marie.pedrot@inria.fr> | 2017-12-02 20:31:54 +0100 |
commit | fdcee15907f2cff920ba6b27d9076ca47db26150 (patch) | |
tree | 2fcac5baabab93ee4d4079aec2bbf233b4c724a2 /checker/reduction.ml | |
parent | 0048cbe810c82a775558c14cd7fcae644e205c51 (diff) |
Remove redundant Zcase from the checker.
This was redundant with ZcaseT, the only difference lying in the use or not
of fclosures for substerms. This code was removed from the kernel in commit
f2f805ed, we finish the work in the checker now.
Diffstat (limited to 'checker/reduction.ml')
-rw-r--r-- | checker/reduction.ml | 16 |
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 *) |