src/Pure/global_theory.ML
author wenzelm
Mon Dec 04 22:54:31 2017 +0100 (20 months ago)
changeset 67131 85d10959c2e4
parent 65458 cf504b7a7aa7
child 67662 50db601cba27
permissions -rw-r--r--
tuned signature;
     1 (*  Title:      Pure/global_theory.ML
     2     Author:     Makarius
     3 
     4 Global theory content: stored facts.
     5 *)
     6 
     7 signature GLOBAL_THEORY =
     8 sig
     9   val facts_of: theory -> Facts.T
    10   val check_fact: theory -> xstring * Position.T -> string
    11   val intern_fact: theory -> xstring -> string
    12   val defined_fact: theory -> string -> bool
    13   val alias_fact: binding -> string -> theory -> theory
    14   val hide_fact: bool -> string -> theory -> theory
    15   val get_thms: theory -> xstring -> thm list
    16   val get_thm: theory -> xstring -> thm
    17   val transfer_theories: theory -> thm -> thm
    18   val all_thms_of: theory -> bool -> (string * thm) list
    19   val map_facts: ('a -> 'b) -> ('c * ('a list * 'd) list) list -> ('c * ('b list * 'd) list) list
    20   val burrow_fact: ('a list -> 'b list) -> ('a list * 'c) list -> ('b list * 'c) list
    21   val burrow_facts: ('a list -> 'b list) ->
    22     ('c * ('a list * 'd) list) list -> ('c * ('b list * 'd) list) list
    23   val name_multi: string -> 'a list -> (string * 'a) list
    24   val name_thm: bool -> bool -> string -> thm -> thm
    25   val name_thms: bool -> bool -> string -> thm list -> thm list
    26   val name_thmss: bool -> string -> (thm list * 'a) list -> (thm list * 'a) list
    27   val store_thms: binding * thm list -> theory -> thm list * theory
    28   val store_thm: binding * thm -> theory -> thm * theory
    29   val store_thm_open: binding * thm -> theory -> thm * theory
    30   val add_thms: ((binding * thm) * attribute list) list -> theory -> thm list * theory
    31   val add_thm: (binding * thm) * attribute list -> theory -> thm * theory
    32   val add_thmss: ((binding * thm list) * attribute list) list -> theory -> thm list list * theory
    33   val add_thms_dynamic': Context.generic -> binding * (Context.generic -> thm list) ->
    34     theory -> string * theory
    35   val add_thms_dynamic: binding * (Context.generic -> thm list) -> theory -> theory
    36   val note_thmss: string -> (Thm.binding * (thm list * attribute list) list) list
    37     -> theory -> (string * thm list) list * theory
    38   val add_defs: bool -> ((binding * term) * attribute list) list ->
    39     theory -> thm list * theory
    40   val add_defs_unchecked: bool -> ((binding * term) * attribute list) list ->
    41     theory -> thm list * theory
    42 end;
    43 
    44 structure Global_Theory: GLOBAL_THEORY =
    45 struct
    46 
    47 (** theory data **)
    48 
    49 structure Data = Theory_Data
    50 (
    51   type T = Facts.T;
    52   val empty = Facts.empty;
    53   val extend = I;
    54   val merge = Facts.merge;
    55 );
    56 
    57 val facts_of = Data.get;
    58 
    59 fun check_fact thy = Facts.check (Context.Theory thy) (facts_of thy);
    60 val intern_fact = Facts.intern o facts_of;
    61 val defined_fact = Facts.defined o facts_of;
    62 
    63 fun alias_fact binding name thy =
    64   Data.map (Facts.alias (Sign.naming_of thy) binding name) thy;
    65 
    66 fun hide_fact fully name = Data.map (Facts.hide fully name);
    67 
    68 
    69 (* retrieve theorems *)
    70 
    71 fun get_thms thy xname =
    72   #thms (Facts.retrieve (Context.Theory thy) (facts_of thy) (xname, Position.none));
    73 
    74 fun get_thm thy xname =
    75   Facts.the_single (xname, Position.none) (get_thms thy xname);
    76 
    77 fun transfer_theories thy =
    78   let
    79     val theories =
    80       fold (fn thy' => Symtab.update (Context.theory_name thy', thy'))
    81         (Theory.nodes_of thy) Symtab.empty;
    82     fun transfer th =
    83       Thm.transfer (the_default thy (Symtab.lookup theories (Thm.theory_name th))) th;
    84   in transfer end;
    85 
    86 fun all_thms_of thy verbose =
    87   let
    88     val transfer = transfer_theories thy;
    89     val facts = facts_of thy;
    90     fun add (name, ths) =
    91       if not verbose andalso Facts.is_concealed facts name then I
    92       else append (map (`(Thm.get_name_hint) o transfer) ths);
    93   in Facts.fold_static add facts [] end;
    94 
    95 
    96 
    97 (** store theorems **)
    98 
    99 (* fact specifications *)
   100 
   101 fun map_facts f = map (apsnd (map (apfst (map f))));
   102 fun burrow_fact f = split_list #>> burrow f #> op ~~;
   103 fun burrow_facts f = split_list ##> burrow (burrow_fact f) #> op ~~;
   104 
   105 
   106 (* naming *)
   107 
   108 fun name_multi name [x] = [(name, x)]
   109   | name_multi "" xs = map (pair "") xs
   110   | name_multi name xs = map_index (fn (i, x) => (name ^ "_" ^ string_of_int (i + 1), x)) xs;
   111 
   112 fun name_thm pre official name thm = thm
   113   |> (if not official orelse pre andalso Thm.derivation_name thm <> "" then I
   114       else Thm.name_derivation name)
   115   |> (if name = "" orelse pre andalso Thm.has_name_hint thm then I
   116       else Thm.put_name_hint name);
   117 
   118 fun name_thms pre official name xs =
   119   map (uncurry (name_thm pre official)) (name_multi name xs);
   120 
   121 fun name_thmss official name fact =
   122   burrow_fact (name_thms true official name) fact;
   123 
   124 
   125 (* enter_thms *)
   126 
   127 fun register_proofs thms thy = (thms, Thm.register_proofs thms thy);
   128 
   129 fun enter_thms pre_name post_name app_att (b, thms) thy =
   130   if Binding.is_empty b
   131   then app_att thms thy |-> register_proofs
   132   else
   133     let
   134       val name = Sign.full_name thy b;
   135       val (thms', thy') = app_att (pre_name name thms) thy |>> post_name name |-> register_proofs;
   136       val thms'' = map (Thm.transfer thy') thms';
   137       val thy'' = thy' |> Data.map
   138         (Facts.add_static (Context.Theory thy') {strict = true, index = false} (b, thms'') #> snd);
   139     in (thms'', thy'') end;
   140 
   141 
   142 (* store_thm(s) *)
   143 
   144 fun store_thms (b, thms) =
   145   enter_thms (name_thms true true) (name_thms false true) pair (b, thms);
   146 
   147 fun store_thm (b, th) = store_thms (b, [th]) #>> the_single;
   148 
   149 fun store_thm_open (b, th) =
   150   enter_thms (name_thms true false) (name_thms false false) pair (b, [th]) #>> the_single;
   151 
   152 
   153 (* add_thms(s) *)
   154 
   155 fun add_thms_atts pre_name ((b, thms), atts) =
   156   enter_thms pre_name (name_thms false true) (fold_map (Thm.theory_attributes atts)) (b, thms);
   157 
   158 fun gen_add_thmss pre_name =
   159   fold_map (add_thms_atts pre_name);
   160 
   161 fun gen_add_thms pre_name args =
   162   apfst (map hd) o gen_add_thmss pre_name (map (apfst (apsnd single)) args);
   163 
   164 val add_thmss = gen_add_thmss (name_thms true true);
   165 val add_thms = gen_add_thms (name_thms true true);
   166 val add_thm = yield_singleton add_thms;
   167 
   168 
   169 (* dynamic theorems *)
   170 
   171 fun add_thms_dynamic' context arg thy =
   172   let val (name, facts') = Facts.add_dynamic context arg (Data.get thy)
   173   in (name, Data.put facts' thy) end;
   174 
   175 fun add_thms_dynamic arg thy =
   176   add_thms_dynamic' (Context.Theory thy) arg thy |> snd;
   177 
   178 
   179 (* note_thmss *)
   180 
   181 fun note_thmss kind = fold_map (fn ((b, more_atts), facts) => fn thy =>
   182   let
   183     val name = Sign.full_name thy b;
   184     fun app (ths, atts) =
   185       fold_map (Thm.theory_attributes (surround (Thm.kind kind) (atts @ more_atts))) ths;
   186     val (thms, thy') =
   187       enter_thms (name_thmss true) (name_thms false true) (apfst flat oo fold_map app)
   188         (b, facts) thy;
   189   in ((name, thms), thy') end);
   190 
   191 
   192 (* old-style defs *)
   193 
   194 local
   195 
   196 fun add unchecked overloaded = fold_map (fn ((b, prop), atts) => fn thy =>
   197   let
   198     val context = Defs.global_context thy;
   199     val ((_, def), thy') = Thm.add_def context unchecked overloaded (b, prop) thy;
   200     val thm = def
   201       |> Thm.forall_intr_frees
   202       |> Thm.forall_elim_vars 0
   203       |> Thm.varifyT_global;
   204   in yield_singleton (gen_add_thms (K I)) ((b, thm), atts) thy' end);
   205 
   206 in
   207 
   208 val add_defs = add false;
   209 val add_defs_unchecked = add true;
   210 
   211 end;
   212 
   213 end;