diff options
Diffstat (limited to 'pretyping')
| -rw-r--r-- | pretyping/constr_matching.ml | 26 | ||||
| -rw-r--r-- | pretyping/constr_matching.mli | 11 | ||||
| -rw-r--r-- | pretyping/evarconv.ml | 6 | ||||
| -rw-r--r-- | pretyping/reductionops.ml | 45 | ||||
| -rw-r--r-- | pretyping/reductionops.mli | 6 |
5 files changed, 21 insertions, 73 deletions
diff --git a/pretyping/constr_matching.ml b/pretyping/constr_matching.ml index 20ef65c884..478ba73fd5 100644 --- a/pretyping/constr_matching.ml +++ b/pretyping/constr_matching.ml @@ -13,7 +13,6 @@ open Util open Names open Globnames open Termops -open Reductionops open Term open EConstr open Vars @@ -207,7 +206,7 @@ let merge_binding sigma allow_bound_rels ctx n cT subst = in constrain sigma n c subst -let matches_core env sigma convert allow_partial_app allow_bound_rels +let matches_core env sigma allow_partial_app allow_bound_rels (binding_vars,pat) c = let open EConstr in let convref ref c = @@ -216,11 +215,7 @@ let matches_core env sigma convert allow_partial_app allow_bound_rels | ConstRef c, Const (c',_) -> Constant.equal c c' | IndRef i, Ind (i', _) -> Names.eq_ind i i' | ConstructRef c, Construct (c',u) -> Names.eq_constructor c c' - | _, _ -> - (if convert then - let sigma,c' = Evd.fresh_global env sigma ref in - is_conv env sigma (EConstr.of_constr c') c - else false) + | _, _ -> false in let rec sorec ctx env subst p t = let cT = strip_outer_cast sigma t in @@ -378,14 +373,14 @@ let matches_core env sigma convert allow_partial_app allow_bound_rels in sorec [] env (Id.Map.empty, Id.Map.empty) pat c -let matches_core_closed env sigma convert allow_partial_app pat c = - let names, subst = matches_core env sigma convert allow_partial_app false pat c in +let matches_core_closed env sigma allow_partial_app pat c = + let names, subst = matches_core env sigma allow_partial_app false pat c in (names, Id.Map.map snd subst) -let extended_matches env sigma = matches_core env sigma false true true +let extended_matches env sigma = matches_core env sigma true true let matches env sigma pat c = - snd (matches_core_closed env sigma false true (Id.Set.empty,pat) c) + snd (matches_core_closed env sigma true (Id.Set.empty,pat) c) let special_meta = (-1) @@ -412,7 +407,7 @@ let matches_head env sigma pat c = (* Tells if it is an authorized occurrence and if the instance is closed *) let authorized_occ env sigma partial_app closed pat c mk_ctx = try - let subst = matches_core_closed env sigma false partial_app pat c in + let subst = matches_core_closed env sigma partial_app pat c in if closed && Id.Map.exists (fun _ c -> not (closed0 sigma c)) (snd subst) then (fun next -> next ()) else (fun next -> mkresult subst (mk_ctx (mkMeta special_meta)) next) @@ -552,10 +547,3 @@ let is_matching_appsubterm ?(closed=true) env sigma pat c = let pat = (Id.Set.empty,pat) in let results = sub_match ~partial_app:true ~closed env sigma pat c in not (IStream.is_empty results) - -let matches_conv env sigma p c = - snd (matches_core_closed env sigma true false (Id.Set.empty,p) c) - -let is_matching_conv env sigma pat n = - try let _ = matches_conv env sigma pat n in true - with PatternMatchingFailure -> false diff --git a/pretyping/constr_matching.mli b/pretyping/constr_matching.mli index 780ccc23d1..60e1c34a15 100644 --- a/pretyping/constr_matching.mli +++ b/pretyping/constr_matching.mli @@ -55,12 +55,6 @@ val is_matching : env -> Evd.evar_map -> constr_pattern -> constr -> bool prefix of it matches against [pat] *) val is_matching_head : env -> Evd.evar_map -> constr_pattern -> constr -> bool -(** [matches_conv env sigma] matches up to conversion in environment - [(env,sigma)] when constants in pattern are concerned; it raises - [PatternMatchingFailure] if not matchable; bindings are given in - increasing order based on the numbers given in the pattern *) -val matches_conv : env -> Evd.evar_map -> constr_pattern -> constr -> patvar_map - (** The type of subterm matching results: a substitution + a context (whose hole is denoted here with [special_meta]) *) type matching_result = @@ -85,8 +79,3 @@ val match_subterm_gen : env -> Evd.evar_map -> (** [is_matching_appsubterm pat c] tells if a subterm of [c] matches against [pat] taking partial subterms into consideration *) val is_matching_appsubterm : ?closed:bool -> env -> Evd.evar_map -> constr_pattern -> constr -> bool - -(** [is_matching_conv env sigma pat c] tells if [c] matches against [pat] - up to conversion for constants in patterns *) -val is_matching_conv : - env -> Evd.evar_map -> constr_pattern -> constr -> bool diff --git a/pretyping/evarconv.ml b/pretyping/evarconv.ml index 18e0c31dd6..e5776d2eca 100644 --- a/pretyping/evarconv.ml +++ b/pretyping/evarconv.ml @@ -310,8 +310,6 @@ let ise_stack2 no_app env evd f sk1 sk2 = | Success i' -> ise_stack2 true i' q1 q2 | UnifFailure _ as x -> fail x else fail (UnifFailure (i,NotSameHead)) - | Stack.Update _ :: _, _ | Stack.Shift _ :: _, _ - | _, Stack.Update _ :: _ | _, Stack.Shift _ :: _ -> assert false | Stack.App _ :: _, Stack.App _ :: _ -> if no_app && deep then fail ((*dummy*)UnifFailure(i,NotSameHead)) else begin match ise_app_stack2 env f i sk1 sk2 with @@ -344,8 +342,6 @@ let exact_ise_stack2 env evd f sk1 sk2 = if Constant.equal (Projection.constant p1) (Projection.constant p2) then ise_stack2 i q1 q2 else (UnifFailure (i, NotSameHead)) - | Stack.Update _ :: _, _ | Stack.Shift _ :: _, _ - | _, Stack.Update _ :: _ | _, Stack.Shift _ :: _ -> assert false | Stack.App _ :: _, Stack.App _ :: _ -> begin match ise_app_stack2 env f i sk1 sk2 with |_,(UnifFailure _ as x) -> x @@ -457,7 +453,7 @@ and evar_eqappr_x ?(rhs_is_already_stuck = false) ts env evd pbty let out1 = whd_betaiota_deltazeta_for_iota_state (fst ts) env' evd Cst_stack.empty (c'1, Stack.empty) in let out2 = whd_nored_state evd - (Stack.zip evd (term', sk' @ [Stack.Shift 1]), Stack.append_app [|EConstr.mkRel 1|] Stack.empty), + (lift 1 (Stack.zip evd (term', sk')), Stack.append_app [|EConstr.mkRel 1|] Stack.empty), Cst_stack.empty in if onleft then evar_eqappr_x ts env' evd CONV out1 out2 else evar_eqappr_x ts env' evd CONV out2 out1 diff --git a/pretyping/reductionops.ml b/pretyping/reductionops.ml index ba0502ca45..3181766112 100644 --- a/pretyping/reductionops.ml +++ b/pretyping/reductionops.ml @@ -284,8 +284,6 @@ sig | Proj of int * int * projection * Cst_stack.t | Fix of ('a, 'a) pfixpoint * 'a t * Cst_stack.t | Cst of cst_member * int * int list * 'a t * Cst_stack.t - | Shift of int - | Update of 'a and 'a t = 'a member list exception IncompatibleFold2 @@ -343,8 +341,6 @@ struct | Proj of int * int * projection * Cst_stack.t | Fix of ('a, 'a) pfixpoint * 'a t * Cst_stack.t | Cst of cst_member * int * int list * 'a t * Cst_stack.t - | Shift of int - | Update of 'a and 'a t = 'a member list let rec pr_member pr_c member = @@ -367,8 +363,6 @@ struct ++ pr_comma () ++ prlist_with_sep pr_semicolon int remains ++ pr_comma () ++ pr pr_c params ++ str ")" - | Shift i -> str "ZShift(" ++ int i ++ str ")" - | Update t -> str "ZUpdate(" ++ pr_c t ++ str ")" and pr pr_c l = let open Pp in prlist_with_sep pr_semicolon (fun x -> hov 1 (pr_member pr_c x)) l @@ -414,9 +408,6 @@ struct let rec equal_rec sk1 lft1 sk2 lft2 = match sk1,sk2 with | [],[] -> Some (lft1,lft2) - | (Update _ :: _, _ | _, Update _ :: _) -> assert false - | Shift k :: s1, _ -> equal_rec s1 (lft1+k) sk2 lft2 - | _, Shift k :: s2 -> equal_rec sk1 lft1 s2 (lft2+k) | App a1 :: s1, App a2 :: s2 -> let t1,s1' = decomp_node_last a1 s1 in let t2,s2' = decomp_node_last a2 s2 in @@ -449,8 +440,6 @@ struct let rec compare_rec bal stk1 stk2 = match (stk1,stk2) with ([],[]) -> Int.equal bal 0 - | ((Update _|Shift _)::s1, _) -> compare_rec bal s1 stk2 - | (_, (Update _|Shift _)::s2) -> compare_rec bal stk1 s2 | (App (i,_,j)::s1, _) -> compare_rec (bal + j + 1 - i) s1 stk2 | (_, App (i,_,j)::s2) -> compare_rec (bal - j - 1 + i) stk1 s2 | (Case(c1,_,_,_)::s1, Case(c2,_,_,_)::s2) -> @@ -472,8 +461,6 @@ struct in match sk1,sk2 with | [], [] -> o,lft1,lft2 - | Shift n :: q1, _ -> aux o (lft1+n) q1 lft2 sk2 - | _, Shift n :: q2 -> aux o lft1 sk1 (lft2+n) q2 | App n1 :: q1, App n2 :: q2 -> let t1,l1 = decomp_node_last n1 q1 in let t2,l2 = decomp_node_last n2 q2 in @@ -493,13 +480,12 @@ struct let (o',lft1',lft2') = aux o lft1 (List.rev params1) lft2 (List.rev params2) in aux o' lft1' q1 lft2' q2 - | (((Update _|App _|Case _|Proj _|Fix _| Cst _) :: _|[]), _) -> + | (((App _|Case _|Proj _|Fix _| Cst _) :: _|[]), _) -> raise IncompatibleFold2 in aux o 0 (List.rev sk1) 0 (List.rev sk2) let rec map f x = List.map (function - | Update _ -> assert false - | (Proj (_,_,_,_) | Shift _) as e -> e + | (Proj (_,_,_,_)) as e -> e | App (i,a,j) -> let le = j - i + 1 in App (0,Array.map f (Array.sub a i le), le-1) @@ -516,18 +502,15 @@ struct let rec args_size = function | App (i,_,j)::s -> j + 1 - i + args_size s - | Shift(_)::s -> args_size s - | Update(_)::s -> args_size s | (Case _|Fix _|Proj _|Cst _)::_ | [] -> 0 let strip_app s = let rec aux out = function - | ( App _ | Shift _ as e) :: s -> aux (e :: out) s + | ( App _ as e) :: s -> aux (e :: out) s | s -> List.rev out,s in aux [] s let strip_n_app n s = let rec aux n out = function - | Shift k as e :: s -> aux n (e :: out) s | App (i,a,j) as e :: s -> let nb = j - i + 1 in if n >= nb then @@ -555,8 +538,6 @@ struct let (k,(args',s')) = aux s in let a' = Array.map (Vars.lift k) (Array.sub a i (j - i + 1)) in k,(Array.fold_right (fun x y -> x::y) a' args', s') - | Shift n :: s -> - let (k,(args',s')) = aux s in (k+n,(args', s')) | s -> (0,([],s)) in let (lft,(out,s')) = aux s in let init = match s' with [] when Int.equal lft 0 -> true | _ -> false in @@ -568,20 +549,18 @@ struct | None -> assert false let tail n0 s0 = - let rec aux lft n s = - let out s = if Int.equal lft 0 then s else Shift lft :: s in - if Int.equal n 0 then out s else + let rec aux n s = + if Int.equal n 0 then s else match s with | App (i,a,j) :: s -> let nb = j - i + 1 in if n >= nb then - aux lft (n - nb) s + aux (n - nb) s else let p = i+n in if j >= p then App(p,a,j)::s else s - | Shift k :: s' -> aux (lft+k) n s' | _ -> raise (Invalid_argument "Reductionops.Stack.tail") - in aux 0 n0 s0 + in aux n0 s0 let nth s p = match strip_n_app p s with @@ -627,11 +606,9 @@ struct zip (best_state sigma (constr_of_cst_member cst (params @ (append_app [|f|] s))) cst_l) | f, (Cst (cst,_,_,params,_)::s) -> zip (constr_of_cst_member cst (params @ (append_app [|f|] s))) - | f, (Shift n::s) -> zip (lift n f, s) | f, (Proj (n,m,p,cst_l)::s) when refold -> zip (best_state sigma (mkProj (p,f),s) cst_l) | f, (Proj (n,m,p,_)::s) -> zip (mkProj (p,f),s) - | _, (Update _::_) -> assert false in zip s @@ -1074,7 +1051,7 @@ let rec whd_state_gen ?csts ~refold ~tactic_mode flags env sigma = (arg, Stack.Cst (const,next,remains',s' @ (Stack.append_app [|x'|] bef),cst_l) :: s''') end - |_, (Stack.App _|Stack.Update _|Stack.Shift _)::_ -> assert false + |_, (Stack.App _)::_ -> assert false |_, _ -> fold () else fold () @@ -1155,7 +1132,7 @@ let local_whd_state_gen flags sigma = |args, (Stack.Fix (f,s',cst)::s'') when use_fix -> let x' = Stack.zip sigma (x,args) in whrec (contract_fix sigma f, s' @ (Stack.append_app [|x'|] s'')) - |_, (Stack.App _|Stack.Update _|Stack.Shift _|Stack.Cst _)::_ -> assert false + |_, (Stack.App _|Stack.Cst _)::_ -> assert false |_, _ -> s else s @@ -1306,7 +1283,7 @@ let is_transparent e k = (* Conversion utility functions *) -type conversion_test = constraints -> constraints +type conversion_test = Constraint.t -> Constraint.t let pb_is_equal pb = pb == Reduction.CONV @@ -1685,7 +1662,7 @@ let whd_betaiota_deltazeta_for_iota_state ts env sigma csts s = if isConstruct sigma t_o then whrec Cst_stack.empty (Stack.nth stack_o (n+m), stack'') else s,csts' - |_, ((Stack.App _| Stack.Shift _|Stack.Update _|Stack.Cst _) :: _|[]) -> s,csts' + |_, ((Stack.App _|Stack.Cst _) :: _|[]) -> s,csts' in whrec csts s let find_conclusion env sigma = diff --git a/pretyping/reductionops.mli b/pretyping/reductionops.mli index db0c29aeff..7e12d263aa 100644 --- a/pretyping/reductionops.mli +++ b/pretyping/reductionops.mli @@ -82,8 +82,6 @@ module Stack : sig | Fix of ('a, 'a) pfixpoint * 'a t * Cst_stack.t | Cst of cst_member * int (** current foccussed arg *) * int list (** remaining args *) * 'a t * Cst_stack.t - | Shift of int - | Update of 'a and 'a t = 'a member list val pr : ('a -> Pp.t) -> 'a t -> Pp.t @@ -107,7 +105,7 @@ module Stack : sig val append_app_list : 'a list -> 'a t -> 'a t (** if [strip_app s] = [(a,b)], then [s = a @ b] and [b] does not - start by App or Shift *) + start by App *) val strip_app : 'a t -> 'a t * 'a t (** @return (the nth first elements, the (n+1)th element, the remaining stack) *) val strip_n_app : int -> 'a t -> ('a t * 'a * 'a t) option @@ -262,7 +260,7 @@ val is_transparent : Environ.env -> Constant.t tableKey -> bool (** {6 Conversion Functions (uses closures, lazy strategy) } *) -type conversion_test = constraints -> constraints +type conversion_test = Constraint.t -> Constraint.t val pb_is_equal : conv_pb -> bool val pb_equal : conv_pb -> conv_pb |