src/Pure/sign.ML
author wenzelm
Thu Apr 15 20:37:27 2010 +0200 (2010-04-15)
changeset 36157 2fb3e278a5d7
parent 35988 76ca601c941e
child 36179 f45c708bcc01
permissions -rw-r--r--
misc tuning and simplification;
     1 (*  Title:      Pure/sign.ML
     2     Author:     Lawrence C Paulson and Markus Wenzel
     3 
     4 Logical signature content: naming conventions, concrete syntax, type
     5 signature, polymorphic constants.
     6 *)
     7 
     8 signature SIGN =
     9 sig
    10   val rep_sg: theory ->
    11    {naming: Name_Space.naming,
    12     syn: Syntax.syntax,
    13     tsig: Type.tsig,
    14     consts: Consts.T}
    15   val map_naming: (Name_Space.naming -> Name_Space.naming) -> theory -> theory
    16   val naming_of: theory -> Name_Space.naming
    17   val full_name: theory -> binding -> string
    18   val full_name_path: theory -> string -> binding -> string
    19   val full_bname: theory -> bstring -> string
    20   val full_bname_path: theory -> string -> bstring -> string
    21   val syn_of: theory -> Syntax.syntax
    22   val tsig_of: theory -> Type.tsig
    23   val classes_of: theory -> Sorts.algebra
    24   val all_classes: theory -> class list
    25   val super_classes: theory -> class -> class list
    26   val minimize_sort: theory -> sort -> sort
    27   val complete_sort: theory -> sort -> sort
    28   val defaultS: theory -> sort
    29   val subsort: theory -> sort * sort -> bool
    30   val of_sort: theory -> typ * sort -> bool
    31   val witness_sorts: theory -> (typ * sort) list -> sort list -> (typ * sort) list
    32   val is_logtype: theory -> string -> bool
    33   val typ_instance: theory -> typ * typ -> bool
    34   val typ_equiv: theory -> typ * typ -> bool
    35   val typ_match: theory -> typ * typ -> Type.tyenv -> Type.tyenv
    36   val typ_unify: theory -> typ * typ -> Type.tyenv * int -> Type.tyenv * int
    37   val consts_of: theory -> Consts.T
    38   val the_const_constraint: theory -> string -> typ
    39   val const_type: theory -> string -> typ option
    40   val the_const_type: theory -> string -> typ
    41   val declared_tyname: theory -> string -> bool
    42   val declared_const: theory -> string -> bool
    43   val const_monomorphic: theory -> string -> bool
    44   val const_typargs: theory -> string * typ -> typ list
    45   val const_instance: theory -> string * typ list -> typ
    46   val mk_const: theory -> string * typ list -> term
    47   val class_space: theory -> Name_Space.T
    48   val type_space: theory -> Name_Space.T
    49   val const_space: theory -> Name_Space.T
    50   val class_alias: binding -> class -> theory -> theory
    51   val type_alias: binding -> string -> theory -> theory
    52   val const_alias: binding -> string -> theory -> theory
    53   val intern_class: theory -> xstring -> string
    54   val extern_class: theory -> string -> xstring
    55   val intern_type: theory -> xstring -> string
    56   val extern_type: theory -> string -> xstring
    57   val intern_const: theory -> xstring -> string
    58   val extern_const: theory -> string -> xstring
    59   val arity_number: theory -> string -> int
    60   val arity_sorts: theory -> string -> sort -> sort list
    61   val certify_class: theory -> class -> class
    62   val certify_sort: theory -> sort -> sort
    63   val certify_typ: theory -> typ -> typ
    64   val certify_typ_mode: Type.mode -> theory -> typ -> typ
    65   val certify': bool -> Pretty.pp -> bool -> Consts.T -> theory -> term -> term * typ * int
    66   val certify_term: theory -> term -> term * typ * int
    67   val cert_term: theory -> term -> term
    68   val cert_prop: theory -> term -> term
    69   val no_frees: Pretty.pp -> term -> term
    70   val no_vars: Pretty.pp -> term -> term
    71   val add_defsort: string -> theory -> theory
    72   val add_defsort_i: sort -> theory -> theory
    73   val add_types: (binding * int * mixfix) list -> theory -> theory
    74   val add_nonterminals: binding list -> theory -> theory
    75   val add_tyabbrs: (binding * string list * string * mixfix) list -> theory -> theory
    76   val add_tyabbrs_i: (binding * string list * typ * mixfix) list -> theory -> theory
    77   val add_syntax: (string * string * mixfix) list -> theory -> theory
    78   val add_syntax_i: (string * typ * mixfix) list -> theory -> theory
    79   val add_modesyntax: Syntax.mode -> (string * string * mixfix) list -> theory -> theory
    80   val add_modesyntax_i: Syntax.mode -> (string * typ * mixfix) list -> theory -> theory
    81   val del_modesyntax: Syntax.mode -> (string * string * mixfix) list -> theory -> theory
    82   val del_modesyntax_i: Syntax.mode -> (string * typ * mixfix) list -> theory -> theory
    83   val type_notation: bool -> Syntax.mode -> (typ * mixfix) list -> theory -> theory
    84   val notation: bool -> Syntax.mode -> (term * mixfix) list -> theory -> theory
    85   val declare_const: (binding * typ) * mixfix -> theory -> term * theory
    86   val add_consts: (binding * string * mixfix) list -> theory -> theory
    87   val add_consts_i: (binding * typ * mixfix) list -> theory -> theory
    88   val add_abbrev: string -> binding * term -> theory -> (term * term) * theory
    89   val revert_abbrev: string -> string -> theory -> theory
    90   val add_const_constraint: string * typ option -> theory -> theory
    91   val primitive_class: binding * class list -> theory -> theory
    92   val primitive_classrel: class * class -> theory -> theory
    93   val primitive_arity: arity -> theory -> theory
    94   val add_trfuns:
    95     (string * (ast list -> ast)) list *
    96     (string * (term list -> term)) list *
    97     (string * (term list -> term)) list *
    98     (string * (ast list -> ast)) list -> theory -> theory
    99   val add_trfunsT:
   100     (string * (bool -> typ -> term list -> term)) list -> theory -> theory
   101   val add_advanced_trfuns:
   102     (string * (Proof.context -> ast list -> ast)) list *
   103     (string * (Proof.context -> term list -> term)) list *
   104     (string * (Proof.context -> term list -> term)) list *
   105     (string * (Proof.context -> ast list -> ast)) list -> theory -> theory
   106   val add_advanced_trfunsT:
   107     (string * (Proof.context -> bool -> typ -> term list -> term)) list -> theory -> theory
   108   val add_tokentrfuns:
   109     (string * string * (Proof.context -> string -> Pretty.T)) list -> theory -> theory
   110   val add_mode_tokentrfuns: string -> (string * (Proof.context -> string -> Pretty.T)) list
   111     -> theory -> theory
   112   val add_trrules: (xstring * string) Syntax.trrule list -> theory -> theory
   113   val del_trrules: (xstring * string) Syntax.trrule list -> theory -> theory
   114   val add_trrules_i: ast Syntax.trrule list -> theory -> theory
   115   val del_trrules_i: ast Syntax.trrule list -> theory -> theory
   116   val new_group: theory -> theory
   117   val reset_group: theory -> theory
   118   val add_path: string -> theory -> theory
   119   val root_path: theory -> theory
   120   val parent_path: theory -> theory
   121   val mandatory_path: string -> theory -> theory
   122   val qualified_path: bool -> binding -> theory -> theory
   123   val local_path: theory -> theory
   124   val restore_naming: theory -> theory -> theory
   125   val hide_class: bool -> string -> theory -> theory
   126   val hide_type: bool -> string -> theory -> theory
   127   val hide_const: bool -> string -> theory -> theory
   128 end
   129 
   130 structure Sign: SIGN =
   131 struct
   132 
   133 (** datatype sign **)
   134 
   135 datatype sign = Sign of
   136  {naming: Name_Space.naming,    (*common naming conventions*)
   137   syn: Syntax.syntax,           (*concrete syntax for terms, types, sorts*)
   138   tsig: Type.tsig,              (*order-sorted signature of types*)
   139   consts: Consts.T};            (*polymorphic constants*)
   140 
   141 fun make_sign (naming, syn, tsig, consts) =
   142   Sign {naming = naming, syn = syn, tsig = tsig, consts = consts};
   143 
   144 structure Data = Theory_Data_PP
   145 (
   146   type T = sign;
   147   fun extend (Sign {syn, tsig, consts, ...}) =
   148     make_sign (Name_Space.default_naming, syn, tsig, consts);
   149 
   150   val empty =
   151     make_sign (Name_Space.default_naming, Syntax.basic_syntax, Type.empty_tsig, Consts.empty);
   152 
   153   fun merge pp (sign1, sign2) =
   154     let
   155       val Sign {naming = _, syn = syn1, tsig = tsig1, consts = consts1} = sign1;
   156       val Sign {naming = _, syn = syn2, tsig = tsig2, consts = consts2} = sign2;
   157 
   158       val naming = Name_Space.default_naming;
   159       val syn = Syntax.merge_syntaxes syn1 syn2;
   160       val tsig = Type.merge_tsigs pp (tsig1, tsig2);
   161       val consts = Consts.merge (consts1, consts2);
   162     in make_sign (naming, syn, tsig, consts) end;
   163 );
   164 
   165 fun rep_sg thy = Data.get thy |> (fn Sign args => args);
   166 
   167 fun map_sign f = Data.map (fn Sign {naming, syn, tsig, consts} =>
   168   make_sign (f (naming, syn, tsig, consts)));
   169 
   170 fun map_naming f = map_sign (fn (naming, syn, tsig, consts) => (f naming, syn, tsig, consts));
   171 fun map_syn f = map_sign (fn (naming, syn, tsig, consts) => (naming, f syn, tsig, consts));
   172 fun map_tsig f = map_sign (fn (naming, syn, tsig, consts) => (naming, syn, f tsig, consts));
   173 fun map_consts f = map_sign (fn (naming, syn, tsig, consts) => (naming, syn, tsig, f consts));
   174 
   175 
   176 (* naming *)
   177 
   178 val naming_of = #naming o rep_sg;
   179 
   180 val full_name = Name_Space.full_name o naming_of;
   181 fun full_name_path thy path = Name_Space.full_name (Name_Space.add_path path (naming_of thy));
   182 
   183 fun full_bname thy = Name_Space.full_name (naming_of thy) o Binding.name;
   184 fun full_bname_path thy path = full_name_path thy path o Binding.name;
   185 
   186 
   187 (* syntax *)
   188 
   189 val syn_of = #syn o rep_sg;
   190 
   191 
   192 (* type signature *)
   193 
   194 val tsig_of = #tsig o rep_sg;
   195 
   196 val classes_of = #2 o #classes o Type.rep_tsig o tsig_of;
   197 val all_classes = Sorts.all_classes o classes_of;
   198 val super_classes = Sorts.super_classes o classes_of;
   199 val minimize_sort = Sorts.minimize_sort o classes_of;
   200 val complete_sort = Sorts.complete_sort o classes_of;
   201 
   202 val defaultS = Type.defaultS o tsig_of;
   203 val subsort = Type.subsort o tsig_of;
   204 val of_sort = Type.of_sort o tsig_of;
   205 val witness_sorts = Type.witness_sorts o tsig_of;
   206 val is_logtype = member (op =) o Type.logical_types o tsig_of;
   207 
   208 val typ_instance = Type.typ_instance o tsig_of;
   209 fun typ_equiv thy (T, U) = typ_instance thy (T, U) andalso typ_instance thy (U, T);
   210 val typ_match = Type.typ_match o tsig_of;
   211 val typ_unify = Type.unify o tsig_of;
   212 
   213 
   214 (* polymorphic constants *)
   215 
   216 val consts_of = #consts o rep_sg;
   217 val the_const_constraint = Consts.the_constraint o consts_of;
   218 val the_const_type = Consts.the_type o consts_of;
   219 val const_type = try o the_const_type;
   220 val const_monomorphic = Consts.is_monomorphic o consts_of;
   221 val const_typargs = Consts.typargs o consts_of;
   222 val const_instance = Consts.instance o consts_of;
   223 
   224 fun mk_const thy (c, Ts) = Const (c, const_instance thy (c, Ts));
   225 
   226 val declared_tyname = Symtab.defined o #2 o #types o Type.rep_tsig o tsig_of;
   227 val declared_const = can o the_const_constraint;
   228 
   229 
   230 
   231 (** intern / extern names **)
   232 
   233 val class_space = Type.class_space o tsig_of;
   234 val type_space = Type.type_space o tsig_of;
   235 val const_space = Consts.space_of o consts_of;
   236 
   237 fun class_alias b c thy = map_tsig (Type.class_alias (naming_of thy) b c) thy;
   238 fun type_alias b c thy = map_tsig (Type.type_alias (naming_of thy) b c) thy;
   239 fun const_alias b c thy = map_consts (Consts.alias (naming_of thy) b c) thy;
   240 
   241 val intern_class = Name_Space.intern o class_space;
   242 val extern_class = Name_Space.extern o class_space;
   243 val intern_type = Name_Space.intern o type_space;
   244 val extern_type = Name_Space.extern o type_space;
   245 val intern_const = Name_Space.intern o const_space;
   246 val extern_const = Name_Space.extern o const_space;
   247 
   248 
   249 
   250 (** certify entities **)    (*exception TYPE*)
   251 
   252 (* certify wrt. type signature *)
   253 
   254 val arity_number = Type.arity_number o tsig_of;
   255 fun arity_sorts thy = Type.arity_sorts (Syntax.pp_global thy) (tsig_of thy);
   256 
   257 val certify_class         = Type.cert_class o tsig_of;
   258 val certify_sort          = Type.cert_sort o tsig_of;
   259 val certify_typ           = Type.cert_typ o tsig_of;
   260 fun certify_typ_mode mode = Type.cert_typ_mode mode o tsig_of;
   261 
   262 
   263 (* certify term/prop *)
   264 
   265 local
   266 
   267 fun type_check pp tm =
   268   let
   269     fun err_appl why bs t T u U =
   270       let
   271         val xs = map Free bs;           (*we do not rename here*)
   272         val t' = subst_bounds (xs, t);
   273         val u' = subst_bounds (xs, u);
   274         val msg = cat_lines
   275           (TypeInfer.appl_error (Syntax.pp_show_brackets pp) why t' T u' U);
   276       in raise TYPE (msg, [T, U], [t', u']) end;
   277 
   278     fun typ_of (_, Const (_, T)) = T
   279       | typ_of (_, Free  (_, T)) = T
   280       | typ_of (_, Var (_, T)) = T
   281       | typ_of (bs, Bound i) = snd (nth bs i handle Subscript =>
   282           raise TYPE ("Loose bound variable: B." ^ string_of_int i, [], [Bound i]))
   283       | typ_of (bs, Abs (x, T, body)) = T --> typ_of ((x, T) :: bs, body)
   284       | typ_of (bs, t $ u) =
   285           let val T = typ_of (bs, t) and U = typ_of (bs, u) in
   286             (case T of
   287               Type ("fun", [T1, T2]) =>
   288                 if T1 = U then T2 else err_appl "Incompatible operand type" bs t T u U
   289             | _ => err_appl "Operator not of function type" bs t T u U)
   290           end;
   291   in typ_of ([], tm) end;
   292 
   293 fun err msg = raise TYPE (msg, [], []);
   294 
   295 fun check_vars (t $ u) = (check_vars t; check_vars u)
   296   | check_vars (Abs (_, _, t)) = check_vars t
   297   | check_vars (Free (x, _)) =
   298       if Long_Name.is_qualified x then err ("Malformed variable: " ^ quote x) else ()
   299   | check_vars (Var (xi as (_, i), _)) =
   300       if i < 0 then err ("Malformed variable: " ^ quote (Term.string_of_vname xi)) else ()
   301   | check_vars _ = ();
   302 
   303 in
   304 
   305 fun certify' prop pp do_expand consts thy tm =
   306   let
   307     val _ = check_vars tm;
   308     val tm' = Term.map_types (certify_typ thy) tm;
   309     val T = type_check pp tm';
   310     val _ = if prop andalso T <> propT then err "Term not of type prop" else ();
   311     val tm'' = Consts.certify pp (tsig_of thy) do_expand consts tm';
   312   in (if tm = tm'' then tm else tm'', T, Term.maxidx_of_term tm'') end;
   313 
   314 fun certify_term thy = certify' false (Syntax.pp_global thy) true (consts_of thy) thy;
   315 fun cert_term_abbrev thy = #1 o certify' false (Syntax.pp_global thy) false (consts_of thy) thy;
   316 val cert_term = #1 oo certify_term;
   317 fun cert_prop thy = #1 o certify' true (Syntax.pp_global thy) true (consts_of thy) thy;
   318 
   319 end;
   320 
   321 
   322 (* specifications *)
   323 
   324 fun no_variables kind add addT mk mkT pp tm =
   325   (case (add tm [], addT tm []) of
   326     ([], []) => tm
   327   | (frees, tfrees) => error (Pretty.string_of (Pretty.block
   328       (Pretty.str ("Illegal " ^ kind ^ " variable(s) in term:") :: Pretty.brk 1 ::
   329        Pretty.commas (map (Pretty.term pp o mk) frees @ map (Pretty.typ pp o mkT) tfrees)))));
   330 
   331 val no_frees = no_variables "free" Term.add_frees Term.add_tfrees Free TFree;
   332 val no_vars = no_variables "schematic" Term.add_vars Term.add_tvars Var TVar;
   333 
   334 
   335 
   336 (** signature extension functions **)  (*exception ERROR/TYPE*)
   337 
   338 (* add default sort *)
   339 
   340 fun gen_add_defsort prep_sort s thy =
   341   thy |> map_tsig (Type.set_defsort (prep_sort thy s));
   342 
   343 val add_defsort = gen_add_defsort Syntax.read_sort_global;
   344 val add_defsort_i = gen_add_defsort certify_sort;
   345 
   346 
   347 (* add type constructors *)
   348 
   349 fun type_syntax thy (b, n, mx) = (Syntax.mark_type (full_name thy b), Syntax.make_type n, mx);
   350 
   351 fun add_types types thy = thy |> map_sign (fn (naming, syn, tsig, consts) =>
   352   let
   353     val syn' = Syntax.update_type_gram true Syntax.mode_default (map (type_syntax thy) types) syn;
   354     val tsig' = fold (fn (a, n, _) => Type.add_type naming (a, n)) types tsig;
   355   in (naming, syn', tsig', consts) end);
   356 
   357 
   358 (* add nonterminals *)
   359 
   360 fun add_nonterminals ns thy = thy |> map_sign (fn (naming, syn, tsig, consts) =>
   361   let
   362     val tsig' = fold (Type.add_nonterminal naming) ns tsig;
   363   in (naming, syn, tsig', consts) end);
   364 
   365 
   366 (* add type abbreviations *)
   367 
   368 fun gen_add_tyabbr parse_typ (b, vs, rhs, mx) thy =
   369   thy |> map_sign (fn (naming, syn, tsig, consts) =>
   370     let
   371       val ctxt = ProofContext.init thy;
   372       val syn' =
   373         Syntax.update_type_gram true Syntax.mode_default [type_syntax thy (b, length vs, mx)] syn;
   374       val abbr = (b, vs, parse_typ ctxt rhs)
   375         handle ERROR msg => cat_error msg ("in type abbreviation " ^ quote (Binding.str_of b));
   376       val tsig' = Type.add_abbrev naming abbr tsig;
   377     in (naming, syn', tsig', consts) end);
   378 
   379 val add_tyabbrs = fold (gen_add_tyabbr Syntax.parse_typ);
   380 val add_tyabbrs_i = fold (gen_add_tyabbr (K I));
   381 
   382 
   383 (* modify syntax *)
   384 
   385 fun gen_syntax change_gram parse_typ mode args thy =
   386   let
   387     val ctxt = ProofContext.init thy;
   388     fun prep (c, T, mx) = (c, certify_typ_mode Type.mode_syntax thy (parse_typ ctxt T), mx)
   389       handle ERROR msg => cat_error msg ("in syntax declaration " ^ quote c);
   390   in thy |> map_syn (change_gram (is_logtype thy) mode (map prep args)) end;
   391 
   392 fun gen_add_syntax x = gen_syntax (Syntax.update_const_gram true) x;
   393 
   394 val add_modesyntax = gen_add_syntax Syntax.parse_typ;
   395 val add_modesyntax_i = gen_add_syntax (K I);
   396 val add_syntax = add_modesyntax Syntax.mode_default;
   397 val add_syntax_i = add_modesyntax_i Syntax.mode_default;
   398 val del_modesyntax = gen_syntax (Syntax.update_const_gram false) Syntax.parse_typ;
   399 val del_modesyntax_i = gen_syntax (Syntax.update_const_gram false) (K I);
   400 
   401 fun type_notation add mode args =
   402   let
   403     fun type_syntax (Type (c, args), mx) =
   404           SOME (Syntax.mark_type c, Syntax.make_type (length args), mx)
   405       | type_syntax _ = NONE;
   406   in map_syn (Syntax.update_type_gram add mode (map_filter type_syntax args)) end;
   407 
   408 fun notation add mode args thy =
   409   let
   410     fun const_syntax (Const (c, _), mx) =
   411           (case try (Consts.type_scheme (consts_of thy)) c of
   412             SOME T => SOME (Syntax.mark_const c, T, mx)
   413           | NONE => NONE)
   414       | const_syntax _ = NONE;
   415   in gen_syntax (Syntax.update_const_gram add) (K I) mode (map_filter const_syntax args) thy end;
   416 
   417 
   418 (* add constants *)
   419 
   420 local
   421 
   422 fun gen_add_consts parse_typ raw_args thy =
   423   let
   424     val ctxt = ProofContext.init thy;
   425     val prepT = Type.no_tvars o Term.no_dummyT o certify_typ thy o parse_typ ctxt;
   426     fun prep (b, raw_T, mx) =
   427       let
   428         val c = full_name thy b;
   429         val T = (prepT raw_T handle TYPE (msg, _, _) => error msg) handle ERROR msg =>
   430           cat_error msg ("in declaration of constant " ^ quote (Binding.str_of b));
   431         val T' = Logic.varifyT_global T;
   432       in ((b, T'), (Syntax.mark_const c, T', mx), Const (c, T)) end;
   433     val args = map prep raw_args;
   434   in
   435     thy
   436     |> map_consts (fold (Consts.declare (naming_of thy) o #1) args)
   437     |> add_syntax_i (map #2 args)
   438     |> pair (map #3 args)
   439   end;
   440 
   441 in
   442 
   443 fun add_consts args = snd o gen_add_consts Syntax.parse_typ args;
   444 fun add_consts_i args = snd o gen_add_consts (K I) args;
   445 
   446 fun declare_const ((b, T), mx) thy =
   447   let
   448     val pos = Binding.pos_of b;
   449     val ([const as Const (c, _)], thy') = gen_add_consts (K I) [(b, T, mx)] thy;
   450     val _ = Position.report (Markup.const_decl c) pos;
   451   in (const, thy') end;
   452 
   453 end;
   454 
   455 
   456 (* abbreviations *)
   457 
   458 fun add_abbrev mode (b, raw_t) thy =
   459   let
   460     val pp = Syntax.pp_global thy;
   461     val prep_tm = no_frees pp o Term.no_dummy_patterns o cert_term_abbrev thy;
   462     val t = (prep_tm raw_t handle TYPE (msg, _, _) => error msg | TERM (msg, _) => error msg)
   463       handle ERROR msg => cat_error msg ("in constant abbreviation " ^ quote (Binding.str_of b));
   464     val (res, consts') = consts_of thy
   465       |> Consts.abbreviate pp (tsig_of thy) (naming_of thy) mode (b, t);
   466   in (res, thy |> map_consts (K consts')) end;
   467 
   468 fun revert_abbrev mode c = map_consts (Consts.revert_abbrev mode c);
   469 
   470 
   471 (* add constraints *)
   472 
   473 fun add_const_constraint (c, opt_T) thy =
   474   let
   475     fun prepT raw_T =
   476       let val T = Logic.varifyT_global (Type.no_tvars (Term.no_dummyT (certify_typ thy raw_T)))
   477       in cert_term thy (Const (c, T)); T end
   478       handle TYPE (msg, _, _) => error msg;
   479   in thy |> map_consts (Consts.constrain (c, Option.map prepT opt_T)) end;
   480 
   481 
   482 (* primitive classes and arities *)
   483 
   484 fun primitive_class (bclass, classes) thy =
   485   thy |> map_sign (fn (naming, syn, tsig, consts) =>
   486     let
   487       val tsig' = Type.add_class (Syntax.pp_global thy) naming (bclass, classes) tsig;
   488     in (naming, syn, tsig', consts) end)
   489   |> add_consts_i [(Binding.map_name Logic.const_of_class bclass, Term.a_itselfT --> propT, NoSyn)];
   490 
   491 fun primitive_classrel arg thy = thy |> map_tsig (Type.add_classrel (Syntax.pp_global thy) arg);
   492 fun primitive_arity arg thy = thy |> map_tsig (Type.add_arity (Syntax.pp_global thy) arg);
   493 
   494 
   495 (* add translation functions *)
   496 
   497 local
   498 
   499 fun mk trs = map Syntax.mk_trfun trs;
   500 
   501 fun gen_add_trfuns ext non_typed (atrs, trs, tr's, atr's) =
   502   map_syn (ext (mk atrs, mk trs, mk (map (apsnd non_typed) tr's), mk atr's));
   503 
   504 fun gen_add_trfunsT ext tr's = map_syn (ext ([], [], mk tr's, []));
   505 
   506 in
   507 
   508 val add_trfuns = gen_add_trfuns Syntax.update_trfuns Syntax.non_typed_tr';
   509 val add_trfunsT = gen_add_trfunsT Syntax.update_trfuns;
   510 val add_advanced_trfuns = gen_add_trfuns Syntax.update_advanced_trfuns Syntax.non_typed_tr'';
   511 val add_advanced_trfunsT = gen_add_trfunsT Syntax.update_advanced_trfuns;
   512 
   513 end;
   514 
   515 val add_tokentrfuns = map_syn o Syntax.extend_tokentrfuns;
   516 fun add_mode_tokentrfuns m = add_tokentrfuns o map (fn (s, f) => (m, s, f));
   517 
   518 
   519 (* translation rules *)
   520 
   521 fun gen_trrules f args thy = thy |> map_syn (fn syn =>
   522   let val rules = map (Syntax.map_trrule (apfst (intern_type thy))) args
   523   in f (ProofContext.init thy) (is_logtype thy) syn rules syn end);
   524 
   525 val add_trrules = gen_trrules Syntax.update_trrules;
   526 val del_trrules = gen_trrules Syntax.remove_trrules;
   527 val add_trrules_i = map_syn o Syntax.update_trrules_i;
   528 val del_trrules_i = map_syn o Syntax.remove_trrules_i;
   529 
   530 
   531 (* naming *)
   532 
   533 val new_group = map_naming Name_Space.new_group;
   534 val reset_group = map_naming Name_Space.reset_group;
   535 
   536 val add_path = map_naming o Name_Space.add_path;
   537 val root_path = map_naming Name_Space.root_path;
   538 val parent_path = map_naming Name_Space.parent_path;
   539 val mandatory_path = map_naming o Name_Space.mandatory_path;
   540 val qualified_path = map_naming oo Name_Space.qualified_path;
   541 
   542 fun local_path thy = thy |> root_path |> add_path (Context.theory_name thy);
   543 
   544 val restore_naming = map_naming o K o naming_of;
   545 
   546 
   547 (* hide names *)
   548 
   549 val hide_class = map_tsig oo Type.hide_class;
   550 val hide_type = map_tsig oo Type.hide_type;
   551 val hide_const = map_consts oo Consts.hide;
   552 
   553 end;