move option utilities from Util to Opt

+ rename Debug.Opt to Debug.Args to avoid conflicts

Makefile.in

@@ -108,7 +108,7 @@ LIBGENERATED = src/util/config.ml src/util/rc.ml src/parser/lexer.ml \
 	       src/driver/driver_parser.mli src/driver/driver_parser.ml \
 	       src/driver/driver_lexer.ml src/session/xml.ml
 
-LIB_UTIL = config stdlib exn_printer pp debug loc print_tree \
+LIB_UTIL = config opt stdlib exn_printer pp debug loc print_tree \
 	   cmdline hashweak hashcons util warning sysutil rc plugin
 
 LIB_CORE = ident ty term pattern decl theory task pretty env trans printer

examples/runstrat/runstrat.ml

@@ -90,9 +90,9 @@ let option_list = Arg.align [
       " same as -m";
   "-j", Arg.Int (fun i -> opt_j := Some i),
   "<int> Set the number of worker to use (default:1)";
-  Debug.Opt.desc_debug_list;
-  Debug.Opt.desc_debug_all;
-  Debug.Opt.desc_debug;
+  Debug.Args.desc_debug_list;
+  Debug.Args.desc_debug_all;
+  Debug.Args.desc_debug;
 ]
 
 type runnable_prover =
@@ -109,12 +109,12 @@ let env,provers = try
   let main = get_main config in
   Whyconf.load_plugins main;
 
-  Debug.Opt.set_flags_selected ();
+  Debug.Args.set_flags_selected ();
 
   (** listings*)
 
   let opt_list = ref false in
-  opt_list :=  Debug.Opt.option_list () || !opt_list;
+  opt_list :=  Debug.Args.option_list () || !opt_list;
   if !opt_list then exit 0;
 
   if Queue.is_empty opt_queue then begin

plugins/tptp/tptp_typing.ml

@@ -270,7 +270,7 @@ let find_dobj ~loc denv env impl s =
     | _ -> assert false (* impossible *)
 
 let ty_check loc s ty1 t =
-  Loc.try3 loc ty_match s ty1 (of_option t.t_ty)
+  Loc.try3 loc ty_match s ty1 (Opt.get t.t_ty)
 
 let rec ty denv env impl { e_loc = loc; e_node = n } = match n with
   | Eapp (aw,al) ->
@@ -303,7 +303,7 @@ let rec term denv env impl { e_loc = loc; e_node = n } = match n with
   | Enum (Nint s) ->
       t_int_const s
   | Enum (Nreal (i,f,e)) ->
-      t_real_const (RConstDecimal (i,Util.def_option "0" f,e))
+      t_real_const (RConstDecimal (i,Opt.get_def "0" f,e))
   | Enum (Nrat (n,d)) ->
       let n = t_int_const n and d = t_int_const d in
       let frac = ns_find_ls denv.th_rat.th_export ["frac"] in
@@ -314,7 +314,7 @@ let rec term denv env impl { e_loc = loc; e_node = n } = match n with
       begin match Mstr.find s env with
         | SletF ([],_,[],t) ->
             let id = id_user s def.e_loc in
-            let vs = create_vsymbol id (of_option t.t_ty) in
+            let vs = create_vsymbol id (Opt.get t.t_ty) in
             let env = Mstr.add s (SVar vs) env in
             let t1 = term denv env impl e in
             t_let_close vs t t1
@@ -345,7 +345,7 @@ and fmla denv env impl pol tvl { e_loc = loc; e_node = n } = match n with
       begin match Mstr.find s env with
         | SletF ([],_,[],t) ->
             let id = id_user s def.e_loc in
-            let vs = create_vsymbol id (of_option t.t_ty) in
+            let vs = create_vsymbol id (Opt.get t.t_ty) in
             let env = Mstr.add s (SVar vs) env in
             let f,b = fmla denv env impl pol tvl e in
             t_let_close vs t f, b
@@ -394,8 +394,8 @@ and fmla denv env impl pol tvl { e_loc = loc; e_node = n } = match n with
       let f1,b1 = fmla denv env impl pol tvl e1 in
       let f2,b2 = fmla denv env impl pol tvl e2 in
       if b1 || b2 then
-        let g1,_ = fmla denv env impl (option_map not pol) tvl e1 in
-        let g2,_ = fmla denv env impl (option_map not pol) tvl e2 in
+        let g1,_ = fmla denv env impl (Opt.map not pol) tvl e1 in
+        let g2,_ = fmla denv env impl (Opt.map not pol) tvl e2 in
         t_and (t_implies g1 f2) (t_implies g2 f1), true
       else
         t_iff f1 f2, false
@@ -403,18 +403,18 @@ and fmla denv env impl pol tvl { e_loc = loc; e_node = n } = match n with
       let f1,b1 = fmla denv env impl pol tvl e1 in
       let f2,b2 = fmla denv env impl pol tvl e2 in
       if b1 || b2 then
-        let g1,_ = fmla denv env impl (option_map not pol) tvl e1 in
-        let g2,_ = fmla denv env impl (option_map not pol) tvl e2 in
+        let g1,_ = fmla denv env impl (Opt.map not pol) tvl e1 in
+        let g2,_ = fmla denv env impl (Opt.map not pol) tvl e2 in
         t_not (t_and (t_implies f1 g2) (t_implies f2 g1)), true
       else
         t_not (t_iff f1 f2), false
   | Ebin (BOimp,e1,e2) ->
-      let f1,b1 = fmla denv env impl (option_map not pol) tvl e1 in
+      let f1,b1 = fmla denv env impl (Opt.map not pol) tvl e1 in
       let f2,b2 = fmla denv env impl pol tvl e2 in
       t_implies f1 f2, b1 || b2
   | Ebin (BOpmi,e1,e2) ->
       let f1,b1 = fmla denv env impl pol tvl e1 in
-      let f2,b2 = fmla denv env impl (option_map not pol) tvl e2 in
+      let f2,b2 = fmla denv env impl (Opt.map not pol) tvl e2 in
       t_implies f2 f1, b1 || b2
   | Ebin (BOand,e1,e2) ->
       let f1,b1 = fmla denv env impl pol tvl e1 in
@@ -425,15 +425,15 @@ and fmla denv env impl pol tvl { e_loc = loc; e_node = n } = match n with
       let f2,b2 = fmla denv env impl pol tvl e2 in
       t_or f1 f2, b1 || b2
   | Ebin (BOnand,e1,e2) ->
-      let f1,b1 = fmla denv env impl (option_map not pol) tvl e1 in
-      let f2,b2 = fmla denv env impl (option_map not pol) tvl e2 in
+      let f1,b1 = fmla denv env impl (Opt.map not pol) tvl e1 in
+      let f2,b2 = fmla denv env impl (Opt.map not pol) tvl e2 in
       t_not (t_and f1 f2), b1 || b2
   | Ebin (BOnor,e1,e2) ->
-      let f1,b1 = fmla denv env impl (option_map not pol) tvl e1 in
-      let f2,b2 = fmla denv env impl (option_map not pol) tvl e2 in
+      let f1,b1 = fmla denv env impl (Opt.map not pol) tvl e1 in
+      let f2,b2 = fmla denv env impl (Opt.map not pol) tvl e2 in
       t_not (t_or f1 f2), b1 || b2
   | Enot e1 ->
-      let f1,b1 = fmla denv env impl (option_map not pol) tvl e1 in
+      let f1,b1 = fmla denv env impl (Opt.map not pol) tvl e1 in
       t_not f1, b1
   | Eequ (e1,e2) ->
       let t1 = term denv env impl e1 in
@@ -499,7 +499,7 @@ and ls_args denv env impl loc fs tvl gl mvs al =
           fs_app denv.fs_ghost [] (ty_app denv.ts_ghost [Mtv.find v tvm]) in
         let tl = List.map ghost gl @ List.map (term denv env impl) al in
         let tvm = List.fold_left2 (ty_check loc) tvm fs.ls_args tl in
-        let ty = option_map (ty_inst tvm) fs.ls_value in
+        let ty = Opt.map (ty_inst tvm) fs.ls_value in
         t_app fs tl ty
     | _ -> error ~loc BadArity
   in

src/coq-tactic/why3tac.ml

@@ -560,7 +560,7 @@ and tr_global_ts dep env r =
           (* Format.printf "decl = %a@." Pretty.print_decl decl; *)
           List.iter (add_new_decl dep !dep') tl;
           List.iter (add_dep dep') tl;
-          Util.option_iter (add_new_decl dep !dep') decl;
+          Opt.iter (add_new_decl dep !dep') decl;
           lookup_table global_ts r
 
 (* the function/predicate symbol for r *)
@@ -599,14 +599,14 @@ and tr_global_ls dep env r =
           let pl, d = decompose_definition dep' env c in
           List.iter (add_new_decl dep !dep') pl;
           List.iter (add_dep dep') pl;
-          Util.option_iter (add_new_decl dep !dep') d;
+          Opt.iter (add_new_decl dep !dep') d;
           lookup_table global_ls r
       | IndRef i ->
           assert (is_Prop t);
           let pl, d = decompose_inductive dep' env i in
           List.iter (add_new_decl dep !dep') pl;
           List.iter (add_dep dep') pl;
-          Util.option_iter (add_new_decl dep !dep') d;
+          Opt.iter (add_new_decl dep !dep') d;
           lookup_table global_ls r
       | VarRef _ ->
           make_one_ls dep' env r;

src/core/decl.ml

@@ -316,7 +316,7 @@ module Hsdecl = Hashcons.Make (struct
   type t = decl
 
   let cs_equal (cs1,pl1) (cs2,pl2) =
-    ls_equal cs1 cs2 && list_all2 (option_eq ls_equal) pl1 pl2
+    ls_equal cs1 cs2 && list_all2 (Opt.equal ls_equal) pl1 pl2
 
   let eq_td (ts1,td1) (ts2,td2) =
     ts_equal ts1 ts2 && list_all2 cs_equal td1 td2
@@ -413,7 +413,7 @@ let syms_ty s ty = ty_s_fold syms_ts s ty
 let syms_term s t = t_s_fold syms_ty syms_ls s t
 
 let create_ty_decl ts =
-  let syms = Util.option_fold syms_ty Sid.empty ts.ts_def in
+  let syms = Opt.fold syms_ty Sid.empty ts.ts_def in
   let news = Sid.singleton ts.ts_name in
   mk_decl (Dtype ts) syms news
 
@@ -430,7 +430,7 @@ let create_data_decl tdl =
     | Some ls -> raise (BadRecordField ls)
   in
   let check_constr tys ty pjs (syms,news) (fs,pl) =
-    ty_equal_check ty (exn_option (BadConstructor fs) fs.ls_value);
+    ty_equal_check ty (Opt.get_exn (BadConstructor fs) fs.ls_value);
     let fs_pjs =
       try List.fold_left2 (check_proj fs ty) Sls.empty fs.ls_args pl
       with Invalid_argument _ -> raise (BadConstructor fs) in
@@ -455,7 +455,7 @@ let create_data_decl tdl =
     if ts.ts_def <> None then raise (IllegalTypeAlias ts);
     let news = news_id news ts.ts_name in
     let pjs = List.fold_left (fun s (_,pl) -> List.fold_left
-      (option_fold (fun s ls -> Sls.add ls s)) s pl) Sls.empty cl in
+      (Opt.fold (fun s ls -> Sls.add ls s)) s pl) Sls.empty cl in
     let news = Sls.fold (fun pj s -> news_id s pj.ls_name) pjs news in
     let ty = ty_app ts (List.map ty_var ts.ts_args) in
     List.fold_left (check_constr ts ty pjs) (syms,news) cl
@@ -464,7 +464,7 @@ let create_data_decl tdl =
   mk_decl (Ddata tdl) syms news
 
 let create_param_decl ls =
-  let syms = Util.option_fold syms_ty Sid.empty ls.ls_value in
+  let syms = Opt.fold syms_ty Sid.empty ls.ls_value in
   let syms = List.fold_left syms_ty syms ls.ls_args in
   let news = Sid.singleton ls.ls_name in
   mk_decl (Dparam ls) syms news
@@ -494,9 +494,9 @@ let rec f_pos_ps sps pol f = match f.t_node, pol with
   | Tbinop (Tiff, f, g), _ ->
       f_pos_ps sps None f && f_pos_ps sps None g
   | Tbinop (Timplies, f, g), _ ->
-      f_pos_ps sps (option_map not pol) f && f_pos_ps sps pol g
+      f_pos_ps sps (Opt.map not pol) f && f_pos_ps sps pol g
   | Tnot f, _ ->
-      f_pos_ps sps (option_map not pol) f
+      f_pos_ps sps (Opt.map not pol) f
   | Tif (f,g,h), _ ->
       f_pos_ps sps None f && f_pos_ps sps pol g && f_pos_ps sps pol h
   | _ -> TermTF.t_all (t_pos_ps sps) (f_pos_ps sps pol) f
@@ -775,7 +775,7 @@ let parse_record kn fll =
     | [{ ty_node = Tyapp (ts,_) }] -> ts
     | _ -> raise (BadRecordField fs) in
   let cs, pjl = match find_constructors kn ts with
-    | [cs,pjl] -> cs, List.map (exn_option (BadRecordField fs)) pjl
+    | [cs,pjl] -> cs, List.map (Opt.get_exn (BadRecordField fs)) pjl
     | _ -> raise (BadRecordField fs) in
   let pjs = List.fold_left (fun s pj -> Sls.add pj s) Sls.empty pjl in
   let flm = List.fold_left (fun m (pj,v) ->
@@ -797,10 +797,10 @@ let make_record_update kn t fll ty =
 
 let make_record_pattern kn fll ty =
   let cs,pjl,flm = parse_record kn fll in
-  let s = ty_match Mtv.empty (of_option cs.ls_value) ty in
+  let s = ty_match Mtv.empty (Opt.get cs.ls_value) ty in
   let get_arg pj = match Mls.find_opt pj flm with
     | Some v -> v
-    | None -> pat_wild (ty_inst s (of_option pj.ls_value))
+    | None -> pat_wild (ty_inst s (Opt.get pj.ls_value))
   in
   pat_app cs (List.map get_arg pjl) ty
 

src/core/pattern.ml

@@ -104,7 +104,7 @@ module Compile (X : Action) = struct
           with NonExhaustive pl ->
             let find_cs cs =
               if Mls.mem cs types then () else
-              let tm = ty_match Mtv.empty (of_option cs.ls_value) ty in
+              let tm = ty_match Mtv.empty (Opt.get cs.ls_value) ty in
               let wild ty = pat_wild (ty_inst tm ty) in
               let pw = pat_app cs (List.map wild cs.ls_args) ty in
               raise (NonExhaustive (pw :: pl))

src/core/pretty.ml

@@ -58,7 +58,7 @@ let print_ident_labels fmt id =
       not (Slab.is_empty id.id_label) then
     fprintf fmt "@ %a" print_labels id.id_label;
   if Debug.test_flag debug_print_locs then
-    Util.option_iter (fprintf fmt "@ %a" print_loc) id.id_loc
+    Opt.iter (fprintf fmt "@ %a" print_loc) id.id_loc
 
 (* type variables always start with a quote *)
 let print_tv fmt tv =
@@ -148,7 +148,7 @@ let unambig_fs fs =
     | Tyvar u when not (lookup u) -> false
     | _ -> ty_all inspect ty
   in
-  option_apply true inspect fs.ls_value
+  Opt.fold (fun _ -> inspect) true fs.ls_value
 
 (** Patterns, terms, and formulas *)
 

src/core/task.ml

@@ -85,7 +85,7 @@ let task_equal t1 t2 = match t1, t2 with
   | None, None -> true
   | _ -> false
 
-let task_hash t = option_apply 0 (fun t -> task_hd_hash t + 1) t
+let task_hash t = Opt.fold (fun _ t -> task_hd_hash t + 1) 0 t
 
 module Hstask = Hashcons.Make (struct
   type t = task_hd
@@ -107,9 +107,9 @@ let mk_task decl prev known clone meta = Some (Hstask.hashcons {
   task_tag   = Hashweak.dummy_tag;
 })
 
-let task_known = option_apply Mid.empty (fun t -> t.task_known)
-let task_clone = option_apply Mid.empty (fun t -> t.task_clone)
-let task_meta  = option_apply Mmeta.empty (fun t -> t.task_meta)
+let task_known = Opt.fold (fun _ t -> t.task_known) Mid.empty
+let task_clone = Opt.fold (fun _ t -> t.task_clone) Mid.empty
+let task_meta  = Opt.fold (fun _ t -> t.task_meta) Mmeta.empty
 
 let find_clone_tds task (th : theory) = cm_find (task_clone task) th
 let find_meta_tds task (t : meta) = mm_find (task_meta task) t
@@ -202,7 +202,7 @@ let add_meta task t al = new_meta task t (create_meta t al)
 
 let split_tdecl names (res,task) td = match td.td_node with
   | Decl { d_node = Dprop ((Pgoal|Plemma),pr,f) }
-    when option_apply true (Spr.mem pr) names ->
+    when Opt.fold (fun _ -> Spr.mem pr) true names ->
       let res = add_prop_decl task Pgoal pr f :: res in
       res, flat_tdecl task td
   | _ ->

src/core/term.ml

@@ -392,7 +392,7 @@ module Hsterm = Hashcons.Make (struct
     oty_equal t1.t_ty t2.t_ty &&
     t_equal_node t1.t_node t2.t_node &&
     Slab.equal t1.t_label t2.t_label &&
-    option_eq Loc.equal t1.t_loc t2.t_loc
+    Opt.equal Loc.equal t1.t_loc t2.t_loc
 
   let t_hash_bound (v,b,t) =
     Hashcons.combine (vs_hash v) (bnd_hash b (t_hash t))
@@ -881,7 +881,7 @@ let rec t_gen_map fnT fnL m t =
     | Tconst _ ->
         t
     | Tapp (fs, tl) ->
-        t_app (fnL fs) (List.map fn tl) (option_map fnT t.t_ty)
+        t_app (fnL fs) (List.map fn tl) (Opt.map fnT t.t_ty)
     | Tif (f, t1, t2) ->
         t_if (fn f) (fn t1) (fn t2)
     | Tlet (t1, (u,b,t2)) ->
@@ -933,7 +933,7 @@ let t_ty_subst mapT mapV t =
 
 let rec t_gen_fold fnT fnL acc t =
   let fn = t_gen_fold fnT fnL in
-  let acc = option_fold fnT acc t.t_ty in
+  let acc = Opt.fold fnT acc t.t_ty in
   match t.t_node with
   | Tconst _ | Tvar _ -> acc
   | Tapp (f, tl) -> List.fold_left fn (fnL acc f) tl

src/core/theory.ml

@@ -460,7 +460,7 @@ let rec cl_find_ts cl ts =
   if not (Sid.mem ts.ts_name cl.cl_local) then ts
   else try Mts.find ts cl.ts_table
   with Not_found ->
-    let td' = option_map (cl_trans_ty cl) ts.ts_def in
+    let td' = Opt.map (cl_trans_ty cl) ts.ts_def in
     let ts' = create_tysymbol (id_clone ts.ts_name) ts.ts_args td' in
     cl.ts_table <- Mts.add ts ts' cl.ts_table;
     ts'
@@ -472,7 +472,7 @@ let cl_find_ls cl ls =
   else try Mls.find ls cl.ls_table
   with Not_found ->
     let ta' = List.map (cl_trans_ty cl) ls.ls_args in
-    let vt' = option_map (cl_trans_ty cl) ls.ls_value in
+    let vt' = Opt.map (cl_trans_ty cl) ls.ls_value in
     let ls' = create_lsymbol (id_clone ls.ls_name) ta' vt' in
     cl.ls_table <- Mls.add ls ls' cl.ls_table;
     ls'
@@ -542,7 +542,7 @@ let cl_data cl inst tdl =
     cl_find_ls cl ls
   in
   let add_constr (ls,pl) =
-    add_ls ls, List.map (option_map add_ls) pl
+    add_ls ls, List.map (Opt.map add_ls) pl
   in
   let add_type (ts,csl) =
     if Mts.mem ts inst.inst_ts then
@@ -632,7 +632,7 @@ let clone_theory cl add_td acc th inst =
       try  Some (mk_tdecl (cl_tdecl cl inst td))
       with EmptyDecl -> None
     in
-    option_apply acc (add_td acc) td
+    Opt.fold add_td acc td
   in
   let acc = List.fold_left add acc th.th_decls in
   let sm = {
@@ -738,7 +738,7 @@ let clone_meta tdt sm = match tdt.td_node with
 (** access to meta *)
 
 (*
-let theory_meta  = option_apply Mmeta.empty (fun t -> t.task_meta)
+let theory_meta = Opt.fold (fun _ t -> t.task_meta) Mmeta.empty
 
 let find_meta_tds th (t : meta) = mm_find (theory_meta th) t
 

src/core/ty.ml

@@ -152,7 +152,7 @@ let create_tysymbol name args def =
   let add s v = Stv.add_new (DuplicateTypeVar v) v s in
   let s = List.fold_left add Stv.empty args in
   let check v = Stv.mem v s || raise (UnboundTypeVar v) in
-  ignore (option_map (ty_v_all check) def);
+  ignore (Opt.map (ty_v_all check) def);
   mk_ts name args def
 
 let ty_app s tl =
@@ -251,17 +251,17 @@ exception UnexpectedProp
 
 let oty_type = function Some ty -> ty | None -> raise UnexpectedProp
 
-let oty_equal = Util.option_eq ty_equal
-let oty_hash = Util.option_apply 1 ty_hash
+let oty_equal = Opt.equal ty_equal
+let oty_hash = Opt.fold (fun _ -> ty_hash) 1
 
 let oty_match m o1 o2 = match o1,o2 with
   | Some ty1, Some ty2 -> ty_match m ty1 ty2
   | None, None -> m
   | _ -> raise UnexpectedProp
 
-let oty_inst m = Util.option_map (ty_inst m)
-let oty_freevars = Util.option_fold ty_freevars
-let oty_cons = Util.option_fold (fun tl t -> t::tl)
+let oty_inst m = Opt.map (ty_inst m)
+let oty_freevars = Opt.fold ty_freevars
+let oty_cons = Opt.fold (fun tl t -> t::tl)
 
 let ty_equal_check ty1 ty2 =
   if not (ty_equal ty1 ty2) then raise (TypeMismatch (ty1, ty2))

src/driver/autodetection.ml

@@ -335,7 +335,7 @@ let detect_exec env main data acc exec_name =
         known_version env exec_name;
         eprintf "Found prover %s version %s%s@."
           data.prover_name ver
-          (def_option
+          (Opt.get_def
              ". This version of the prover is known to have problems."
              data.message);
         acc
@@ -362,7 +362,7 @@ let detect_exec env main data acc exec_name =
     if good || old then begin
       eprintf "Found prover %s version %s%s@."
         data.prover_name ver
-        (def_option (if old then
+        (Opt.get_def (if old then
             " (it is an old version that is less tested than \
              the current one)." else ", Ok.")
            data.message);

src/driver/call_provers.ml

@@ -198,7 +198,7 @@ let call_on_file ~command ?(timelimit=0) ?(memlimit=0)
               (try List.assoc n exitcodes with Not_found -> grep out regexps)
         in
         Debug.dprintf debug "Call_provers: prover output:@\n%s@." out;
-        let time = Util.def_option time (grep_time out timeregexps) in
+        let time = Opt.get_def time (grep_time out timeregexps) in
         let ans = match ans with
           | HighFailure when !on_timelimit && timelimit > 0
             && time >= (0.9 *. float timelimit) -> Timeout

src/driver/driver.ml

@@ -304,9 +304,9 @@ let prove_task_prepared
   ~command ?timelimit ?memlimit ?old ?inplace drv task =
   let buf = Buffer.create 1024 in
   let fmt = formatter_of_buffer buf in
-  let old_channel = option_map open_in old in
+  let old_channel = Opt.map open_in old in
   print_task_prepared ?old:old_channel drv fmt task; pp_print_flush fmt ();
-  option_iter close_in old_channel;
+  Opt.iter close_in old_channel;
   let filename = match old, inplace with
     | Some fn, Some true -> fn
     | _ ->

src/driver/whyconf.ml

@@ -512,8 +512,8 @@ let mk_filter_prover ?version ?altern name =
   | Some "" -> invalid_arg "mk_filter_prover: version can't be an empty string"
   | _ -> () end;
   { filter_name    = mk_regexp name;
-    filter_version = option_map mk_regexp version;
-    filter_altern  = option_map mk_regexp altern;
+    filter_version = Opt.map mk_regexp version;
+    filter_altern  = Opt.map mk_regexp altern;
   }
 
 let print_filter_prover fmt fp =
@@ -540,8 +540,8 @@ let parse_filter_prover s =
 let filter_prover fp p =
   let check s schema = Str.string_match schema.reg s 0 in
   check p.prover_name fp.filter_name
-  && option_apply true (check p.prover_version) fp.filter_version
-  && option_apply true (check p.prover_altern) fp.filter_altern
+  && Opt.fold (fun _ -> check p.prover_version) true fp.filter_version
+  && Opt.fold (fun _ -> check p.prover_altern) true fp.filter_altern
 
 let filter_provers whyconf fp =
   try
@@ -647,7 +647,7 @@ let set_main config main =
   }
 
 let set_provers config ?shortcuts provers =
-  let shortcuts = def_option config.prover_shortcuts shortcuts in
+  let shortcuts = Opt.get_def config.prover_shortcuts shortcuts in
   {config with
     config = set_provers_shortcuts config.config shortcuts provers;
     provers = provers;

src/ide/gmain.ml

@@ -60,9 +60,9 @@ let spec = Arg.align [
    Arg.String (fun s -> input_files := s :: !input_files),
    "<f> add file f to the project (ignored if it is already there)") ;
 *)
-  Debug.Opt.desc_debug_list;
-  Debug.Opt.desc_debug_all;
-  Debug.Opt.desc_debug;
+  Debug.Args.desc_debug_list;
+  Debug.Args.desc_debug_all;
+  Debug.Args.desc_debug;
   ("-v",
    Arg.Set opt_version,
    " print version information") ;
@@ -94,8 +94,8 @@ let () = Gconfig.read_config !opt_config !opt_extra
 let () = C.load_plugins (get_main ())
 
 let () =
-  Debug.Opt.set_flags_selected ();
-  if Debug.Opt.option_list () then exit 0
+  Debug.Args.set_flags_selected ();
+  if Debug.Args.option_list () then exit 0
 
 let () =
   if !opt_list_formats then begin
@@ -1668,7 +1668,7 @@ let color_loc ~color loc =
 
 let rec color_locs ~color f =
   let b = ref false in
-  Util.option_iter (fun loc -> color_loc ~color loc; b := true) f.Term.t_loc;
+  Opt.iter (fun loc -> color_loc ~color loc; b := true) f.Term.t_loc;
   Term.t_fold (fun b loc -> color_locs ~color loc || b) !b f
 
 (* FIXME: we shouldn't open binders _every_time_ we redraw screen!!!
@@ -1698,7 +1698,7 @@ let scroll_to_source_goal g =
             { Theory.td_node =
                 Theory.Decl { Decl.d_node = Decl.Dprop (Decl.Pgoal, _, f)}}} ->
         if not (color_t_locs f) then
-          Util.option_iter (color_loc ~color:goal_tag) id.Ident.id_loc
+          Opt.iter (color_loc ~color:goal_tag) id.Ident.id_loc
     | _ ->
         assert false
 

src/ide/replay.ml

@@ -85,12 +85,12 @@ let spec = Arg.align [
   "--convert-unknown-provers", Arg.Set opt_convert_unknown_provers,
   " try to find compatible provers for all unknown provers";
 *)
-  Debug.Opt.desc_debug_list;
-  Debug.Opt.desc_shortcut "parse_only" "--parse-only" " Stop after parsing";
-  Debug.Opt.desc_shortcut
+  Debug.Args.desc_debug_list;
+  Debug.Args.desc_shortcut "parse_only" "--parse-only" " Stop after parsing";
+  Debug.Args.desc_shortcut
     "type_only" "--type-only" " Stop after type checking";
-  Debug.Opt.desc_debug_all;
-  Debug.Opt.desc_debug;
+  Debug.Args.desc_debug_all;
+  Debug.Args.desc_debug;
 
 ]
 
@@ -140,8 +140,8 @@ let env = Env.create_env loadpath
 let () = Whyconf.load_plugins (Whyconf.get_main config)
 
 let () =
-  Debug.Opt.set_flags_selected ();
-  if Debug.Opt.option_list () then exit 0
+  Debug.Args.set_flags_selected ();
+  if Debug.Args.option_list () then exit 0
 
 module O =
   struct

src/main.ml

@@ -190,14 +190,14 @@ let option_list = Arg.align [
       " List known input formats";
   "--list-metas", Arg.Set opt_list_metas,
       " List known metas";
-  Debug.Opt.desc_debug_list;
+  Debug.Args.desc_debug_list;
   "--token-count", Arg.Set opt_token_count,
       " Only lexing, and give numbers of tokens in spec vs in program";
-  Debug.Opt.desc_shortcut "parse_only" "--parse-only" " Stop after parsing";
-  Debug.Opt.desc_shortcut
+  Debug.Args.desc_shortcut "parse_only" "--parse-only" " Stop after parsing";
+  Debug.Args.desc_shortcut
     "type_only" "--type-only" " Stop after type checking";
-  Debug.Opt.desc_debug_all;
-  Debug.Opt.desc_debug;
+  Debug.Args.desc_debug_all;
+  Debug.Args.desc_debug;
   "--print-libdir", Arg.Set opt_print_libdir,
       " Print location of binary components (plugins, etc)";
   "--print-datadir", Arg.Set opt_print_datadir,
@@ -227,7 +227,7 @@ let () = try
   let main = get_main config in
   Whyconf.load_plugins main;
 
-  Debug.Opt.set_flags_selected ();
+  Debug.Args.set_flags_selected ();
 
   (** listings*)
 
@@ -280,7 +280,7 @@ let () = try
     printf "@[<hov 2>Known metas:@\n%a@]@\n@."
       (Pp.print_list Pp.newline2 print) (List.sort cmp (Theory.list_metas ()))
   end;
-  opt_list :=  Debug.Opt.option_list () || !opt_list;
+  opt_list :=  Debug.Args.option_list () || !opt_list;
   if !opt_list then exit 0;
 
   if Queue.is_empty opt_queue then begin
@@ -480,7 +480,7 @@ let do_theory env drv fname tname th glist =
       eprintf "Cannot realize individual goals.@.";
       exit 1
     end else begin
-      let drv = Util.of_option drv in
+      let drv = Opt.get drv in
       let task = Task.use_export None th in
       do_tasks env drv fname tname th task
     end