From 9ebf44d84754adc5b64fcf612c6816c02c80462d Mon Sep 17 00:00:00 2001 From: Benjamin Barenblat Date: Sat, 2 Feb 2019 19:29:23 -0500 Subject: Imported Upstream version 8.9.0 --- kernel/reduction.ml | 96 +++++++++++++++++++---------------------------------- 1 file changed, 34 insertions(+), 62 deletions(-) (limited to 'kernel/reduction.ml') diff --git a/kernel/reduction.ml b/kernel/reduction.ml index 2ae676bc..c701b53f 100644 --- a/kernel/reduction.ml +++ b/kernel/reduction.ml @@ -53,7 +53,7 @@ let compare_stack_shape stk1 stk2 = | (_, (Zupdate _|Zshift _)::s2) -> compare_rec bal stk1 s2 | (Zapp l1::s1, _) -> compare_rec (bal+Array.length l1) s1 stk2 | (_, Zapp l2::s2) -> compare_rec (bal-Array.length l2) stk1 s2 - | (Zproj (n1,m1,p1)::s1, Zproj (n2,m2,p2)::s2) -> + | (Zproj p1::s1, Zproj p2::s2) -> Int.equal bal 0 && compare_rec 0 s1 s2 | (ZcaseT(c1,_,_,_)::s1, ZcaseT(c2,_,_,_)::s2) -> Int.equal bal 0 (* && c1.ci_ind = c2.ci_ind *) && compare_rec 0 s1 s2 @@ -66,7 +66,7 @@ let compare_stack_shape stk1 stk2 = type lft_constr_stack_elt = Zlapp of (lift * fconstr) array - | Zlproj of Constant.t * lift + | Zlproj of Projection.Repr.t * lift | Zlfix of (lift * fconstr) * lft_constr_stack | Zlcase of case_info * lift * fconstr * fconstr array and lft_constr_stack = lft_constr_stack_elt list @@ -84,7 +84,7 @@ let map_lift (l : lift) (v : fconstr array) = match v with | [|c0; c1|] -> [|(l, c0); (l, c1)|] | [|c0; c1; c2|] -> [|(l, c0); (l, c1); (l, c2)|] | [|c0; c1; c2; c3|] -> [|(l, c0); (l, c1); (l, c2); (l, c3)|] -| v -> CArray.Fun1.map (fun l t -> (l, t)) l v +| v -> Array.Fun1.map (fun l t -> (l, t)) l v let pure_stack lfts stk = let rec pure_rec lfts stk = @@ -96,8 +96,8 @@ let pure_stack lfts stk = | (Zshift n,(l,pstk)) -> (el_shft n l, pstk) | (Zapp a, (l,pstk)) -> (l,zlapp (map_lift l a) pstk) - | (Zproj (n,m,c), (l,pstk)) -> - (l, Zlproj (c,l)::pstk) + | (Zproj p, (l,pstk)) -> + (l, Zlproj (p,l)::pstk) | (Zfix(fx,a),(l,pstk)) -> let (lfx,pa) = pure_rec l a in (l, Zlfix((lfx,fx),pa)::pstk) @@ -297,7 +297,7 @@ let compare_stacks f fmind lft1 stk1 lft2 stk2 cuniv = | (Zlapp a1,Zlapp a2) -> Array.fold_right2 f a1 a2 cu1 | (Zlproj (c1,l1),Zlproj (c2,l2)) -> - if not (Constant.equal c1 c2) then + if not (Projection.Repr.equal c1 c2) then raise NotConvertible else cu1 | (Zlfix(fx1,a1),Zlfix(fx2,a2)) -> @@ -408,7 +408,7 @@ and eqappr cv_pb l2r infos (lft1,st1) (lft2,st2) cuniv = | Some s2 -> eqappr cv_pb l2r infos appr1 (lft2, (c2, (s2 :: v2))) cuniv | None -> - if Constant.equal (Projection.constant p1) (Projection.constant p2) + if Projection.Repr.equal (Projection.repr p1) (Projection.repr p2) && compare_stack_shape v1 v2 then let el1 = el_stack lft1 v1 in let el2 = el_stack lft2 v2 in @@ -649,23 +649,19 @@ let check_leq univs u u' = let check_sort_cmp_universes env pb s0 s1 univs = let open Sorts in if not (type_in_type env) then + let check_pb u0 u1 = + match pb with + | CUMUL -> check_leq univs u0 u1 + | CONV -> check_eq univs u0 u1 + in match (s0,s1) with - | (Prop c1, Prop c2) when is_cumul pb -> - begin match c1, c2 with - | Null, _ | _, Pos -> () (* Prop <= Set *) - | _ -> raise NotConvertible - end - | (Prop c1, Prop c2) -> if c1 != c2 then raise NotConvertible - | (Prop c1, Type u) -> - let u0 = univ_of_sort s0 in - (match pb with - | CUMUL -> check_leq univs u0 u - | CONV -> check_eq univs u0 u) - | (Type u, Prop c) -> raise NotConvertible - | (Type u1, Type u2) -> - (match pb with - | CUMUL -> check_leq univs u1 u2 - | CONV -> check_eq univs u1 u2) + | Prop, Prop | Set, Set -> () + | Prop, (Set | Type _) -> if not (is_cumul pb) then raise NotConvertible + | Set, Prop -> raise NotConvertible + | Set, Type u -> check_pb Univ.type0_univ u + | Type u, Prop -> raise NotConvertible + | Type u, Set -> check_pb u Univ.type0_univ + | Type u0, Type u1 -> check_pb u0 u1 let checked_sort_cmp_universes env pb s0 s1 univs = check_sort_cmp_universes env pb s0 s1 univs; univs @@ -697,26 +693,23 @@ let infer_leq (univs, cstrs as cuniv) u u' = univs, Univ.Constraint.union cstrs cstrs' let infer_cmp_universes env pb s0 s1 univs = - let open Sorts in - if type_in_type env then univs + if type_in_type env + then univs else + let open Sorts in + let infer_pb u0 u1 = + match pb with + | CUMUL -> infer_leq univs u0 u1 + | CONV -> infer_eq univs u0 u1 + in match (s0,s1) with - | (Prop c1, Prop c2) when is_cumul pb -> - begin match c1, c2 with - | Null, _ | _, Pos -> univs (* Prop <= Set *) - | _ -> raise NotConvertible - end - | (Prop c1, Prop c2) -> if c1 == c2 then univs else raise NotConvertible - | (Prop c1, Type u) -> - let u0 = univ_of_sort s0 in - (match pb with - | CUMUL -> infer_leq univs u0 u - | CONV -> infer_eq univs u0 u) - | (Type u, Prop c) -> raise NotConvertible - | (Type u1, Type u2) -> - (match pb with - | CUMUL -> infer_leq univs u1 u2 - | CONV -> infer_eq univs u1 u2) + | Prop, Prop | Set, Set -> univs + | Prop, (Set | Type _) -> if not (is_cumul pb) then raise NotConvertible else univs + | Set, Prop -> raise NotConvertible + | Set, Type u -> infer_pb Univ.type0_univ u + | Type u, Prop -> raise NotConvertible + | Type u, Set -> infer_pb u Univ.type0_univ + | Type u0, Type u1 -> infer_pb u0 u1 let infer_convert_instances ~flex u u' (univs,cstrs) = let cstrs' = @@ -788,24 +781,6 @@ let infer_conv_leq ?(l2r=false) ?(evars=fun _ -> None) ?(ts=full_transparent_sta env univs t1 t2 = infer_conv_universes CUMUL l2r evars ts env univs t1 t2 -(* This reference avoids always having to link C code with the kernel *) -let vm_conv = ref (fun cv_pb env -> - gen_conv cv_pb env ~evars:((fun _->None), universes env)) - -let warn_bytecode_compiler_failed = - let open Pp in - CWarnings.create ~name:"bytecode-compiler-failed" ~category:"bytecode-compiler" - (fun () -> strbrk "Bytecode compiler failed, " ++ - strbrk "falling back to standard conversion") - -let set_vm_conv (f:conv_pb -> types kernel_conversion_function) = vm_conv := f -let vm_conv cv_pb env t1 t2 = - try - !vm_conv cv_pb env t1 t2 - with Not_found | Invalid_argument _ -> - warn_bytecode_compiler_failed (); - gen_conv cv_pb env t1 t2 - let default_conv cv_pb ?(l2r=false) env t1 t2 = gen_conv cv_pb env t1 t2 @@ -937,7 +912,6 @@ let is_arity env c = with NotArity -> false let eta_expand env t ty = - let env = env_of_pre_env env in let ctxt, codom = dest_prod env ty in let ctxt',t = dest_lam env t in let d = Context.Rel.nhyps ctxt - Context.Rel.nhyps ctxt' in @@ -945,5 +919,3 @@ let eta_expand env t ty = let t = Term.applistc (Vars.lift d t) eta_args in let t = Term.it_mkLambda_or_LetIn t (List.firstn d ctxt) in Term.it_mkLambda_or_LetIn t ctxt' - -let _ = Hook.set Clambda.eta_expand_hook eta_expand -- cgit v1.2.3