src/Pure/pure_thy.ML
author haftmann
Tue, 29 Jul 2008 08:15:40 +0200
changeset 27691 ce171cbd4b93
parent 27683 add9a605d562
child 27728 9a9e54042800
permissions -rw-r--r--
PureThy: dropped note_thmss_qualified, dropped _i suffix
     1 (*  Title:      Pure/pure_thy.ML
     2     ID:         $Id$
     3     Author:     Markus Wenzel, TU Muenchen
     4 
     5 Theorem storage.  Pure theory syntax and logical content.
     6 *)
     7 
     8 signature PURE_THY =
     9 sig
    10   val tag_rule: Markup.property -> thm -> thm
    11   val untag_rule: string -> thm -> thm
    12   val tag: Markup.property -> attribute
    13   val untag: string -> attribute
    14   val has_name_hint: thm -> bool
    15   val get_name_hint: thm -> string
    16   val put_name_hint: string -> thm -> thm
    17   val get_group: thm -> string option
    18   val put_group: string -> thm -> thm
    19   val group: string -> attribute
    20   val has_kind: thm -> bool
    21   val get_kind: thm -> string
    22   val kind_rule: string -> thm -> thm
    23   val kind: string -> attribute
    24   val kind_internal: attribute
    25   val has_internal: Markup.property list -> bool
    26   val is_internal: thm -> bool
    27   val facts_of: theory -> Facts.T
    28   val intern_fact: theory -> xstring -> string
    29   val defined_fact: theory -> string -> bool
    30   val hide_fact: bool -> string -> theory -> theory
    31   val get_fact: Context.generic -> theory -> Facts.ref -> thm list
    32   val get_thms: theory -> xstring -> thm list
    33   val get_thm: theory -> xstring -> thm
    34   val all_thms_of: theory -> (string * thm) list
    35   val map_facts: ('a -> 'b) -> ('c * ('a list * 'd) list) list -> ('c * ('b list * 'd) list) list
    36   val burrow_fact: ('a list -> 'b list) -> ('a list * 'c) list -> ('b list * 'c) list
    37   val burrow_facts: ('a list -> 'b list) ->
    38     ('c * ('a list * 'd) list) list -> ('c * ('b list * 'd) list) list
    39   val name_multi: string -> 'a list -> (string * 'a) list
    40   val name_thm: bool -> bool -> string -> thm -> thm
    41   val name_thms: bool -> bool -> string -> thm list -> thm list
    42   val name_thmss: bool -> string -> (thm list * 'a) list -> (thm list * 'a) list
    43   val store_thms: bstring * thm list -> theory -> thm list * theory
    44   val store_thm: bstring * thm -> theory -> thm * theory
    45   val store_thm_open: bstring * thm -> theory -> thm * theory
    46   val add_thms: ((bstring * thm) * attribute list) list -> theory -> thm list * theory
    47   val add_thm: (bstring * thm) * attribute list -> theory -> thm * theory
    48   val add_thmss: ((bstring * thm list) * attribute list) list -> theory -> thm list list * theory
    49   val add_thms_dynamic: bstring * (Context.generic -> thm list) -> theory -> theory
    50   val note_thmss: string -> ((bstring * attribute list) *
    51     (thm list * attribute list) list) list -> theory -> (bstring * thm list) list * theory
    52   val note_thmss_grouped: string -> string -> ((bstring * attribute list) *
    53     (thm list * attribute list) list) list -> theory -> (bstring * thm list) list * theory
    54   val note_thmss_cmd: string -> ((bstring * attribute list) *
    55     (Facts.ref * attribute list) list) list -> theory -> (bstring * thm list) list * theory
    56   val add_axioms: ((bstring * term) * attribute list) list -> theory -> thm list * theory
    57   val add_axioms_cmd: ((bstring * string) * attribute list) list -> theory -> thm list * theory
    58   val add_defs: bool -> ((bstring * term) * attribute list) list ->
    59     theory -> thm list * theory
    60   val add_defs_unchecked: bool -> ((bstring * term) * attribute list) list ->
    61     theory -> thm list * theory
    62   val add_defs_unchecked_cmd: bool -> ((bstring * string) * attribute list) list ->
    63     theory -> thm list * theory
    64   val add_defs_cmd: bool -> ((bstring * string) * attribute list) list ->
    65     theory -> thm list * theory
    66   val old_appl_syntax: theory -> bool
    67   val old_appl_syntax_setup: theory -> theory
    68 end;
    69 
    70 structure PureThy: PURE_THY =
    71 struct
    72 
    73 
    74 (*** theorem tags ***)
    75 
    76 (* add / delete tags *)
    77 
    78 fun tag_rule tg = Thm.map_tags (insert (op =) tg);
    79 fun untag_rule s = Thm.map_tags (filter_out (fn (s', _) => s = s'));
    80 
    81 fun tag tg x = Thm.rule_attribute (K (tag_rule tg)) x;
    82 fun untag s x = Thm.rule_attribute (K (untag_rule s)) x;
    83 
    84 
    85 (* unofficial theorem names *)
    86 
    87 fun the_name_hint thm = the (AList.lookup (op =) (Thm.get_tags thm) Markup.nameN);
    88 
    89 val has_name_hint = can the_name_hint;
    90 val get_name_hint = the_default "??.unknown" o try the_name_hint;
    91 
    92 fun put_name_hint name = untag_rule Markup.nameN #> tag_rule (Markup.nameN, name);
    93 
    94 
    95 (* theorem groups *)
    96 
    97 fun get_group thm = AList.lookup (op =) (Thm.get_tags thm) Markup.groupN;
    98 
    99 fun put_group name =
   100   if name = "" then I else Thm.map_tags (AList.update (op =) (Markup.groupN, name));
   101 
   102 fun group name = Thm.rule_attribute (K (put_group name));
   103 
   104 
   105 (* theorem kinds *)
   106 
   107 fun the_kind thm = the (AList.lookup (op =) (Thm.get_tags thm) Markup.kindN);
   108 
   109 val has_kind = can the_kind;
   110 val get_kind = the_default "" o try the_kind;
   111 
   112 fun kind_rule k = tag_rule (Markup.kindN, k) o untag_rule Markup.kindN;
   113 fun kind k x = if k = "" then x else Thm.rule_attribute (K (kind_rule k)) x;
   114 fun kind_internal x = kind Thm.internalK x;
   115 fun has_internal tags = exists (fn tg => tg = (Markup.kindN, Thm.internalK)) tags;
   116 val is_internal = has_internal o Thm.get_tags;
   117 
   118 
   119 
   120 (*** stored facts ***)
   121 
   122 (** theory data **)
   123 
   124 structure FactsData = TheoryDataFun
   125 (
   126   type T = Facts.T;
   127   val empty = Facts.empty;
   128   val copy = I;
   129   val extend = I;
   130   fun merge _ = Facts.merge;
   131 );
   132 
   133 val facts_of = FactsData.get;
   134 
   135 val intern_fact = Facts.intern o facts_of;
   136 val defined_fact = Facts.defined o facts_of;
   137 
   138 fun hide_fact fully name = FactsData.map (Facts.hide fully name);
   139 
   140 
   141 
   142 (** retrieve theorems **)
   143 
   144 fun get_fact context thy xthmref =
   145   let
   146     val xname = Facts.name_of_ref xthmref;
   147     val pos = Facts.pos_of_ref xthmref;
   148 
   149     val name = intern_fact thy xname;
   150     val res = Facts.lookup context (facts_of thy) name;
   151     val _ = Theory.check_thy thy;
   152   in
   153     (case res of
   154       NONE => error ("Unknown fact " ^ quote name ^ Position.str_of pos)
   155     | SOME ths => Facts.select xthmref (map (Thm.transfer thy) ths))
   156   end;
   157 
   158 fun get_thms thy = get_fact (Context.Theory thy) thy o Facts.named;
   159 fun get_thm thy name = Facts.the_single name (get_thms thy name);
   160 
   161 fun all_thms_of thy =
   162   Facts.fold_static (fn (_, ths) => append (map (`(get_name_hint)) ths)) (facts_of thy) [];
   163 
   164 
   165 
   166 (** store theorems **)
   167 
   168 (* fact specifications *)
   169 
   170 fun map_facts f = map (apsnd (map (apfst (map f))));
   171 fun burrow_fact f = split_list #>> burrow f #> op ~~;
   172 fun burrow_facts f = split_list ##> burrow (burrow_fact f) #> op ~~;
   173 
   174 
   175 (* naming *)
   176 
   177 fun name_multi name [x] = [(name, x)]
   178   | name_multi "" xs = map (pair "") xs
   179   | name_multi name xs = map_index (fn (i, x) => (name ^ "_" ^ string_of_int (i + 1), x)) xs;
   180 
   181 fun name_thm pre official name thm = thm
   182   |> (if Thm.get_name thm <> "" andalso pre orelse not official then I else Thm.put_name name)
   183   |> (if has_name_hint thm andalso pre orelse name = "" then I else put_name_hint name)
   184   |> Thm.map_tags (Position.default_properties (Position.thread_data ()));
   185 
   186 fun name_thms pre official name xs =
   187   map (uncurry (name_thm pre official)) (name_multi name xs);
   188 
   189 fun name_thmss official name fact =
   190   burrow_fact (name_thms true official name) fact;
   191 
   192 
   193 (* enter_thms *)
   194 
   195 fun enter_thms _ _ app_att ("", thms) thy = app_att (thy, thms) |> swap
   196   | enter_thms pre_name post_name app_att (bname, thms) thy =
   197       let
   198         val naming = Sign.naming_of thy;
   199         val name = NameSpace.full naming bname;
   200         val (thy', thms') = apsnd (post_name name) (app_att (thy, pre_name name thms));
   201         val thms'' = map (Thm.transfer thy') thms';
   202         val thy'' = thy' |> FactsData.map (Facts.add_global naming (name, thms''));
   203       in (thms'', thy'') end;
   204 
   205 
   206 (* store_thm(s) *)
   207 
   208 val store_thms = enter_thms (name_thms true true) (name_thms false true) I;
   209 fun store_thm (name, th) = store_thms (name, [th]) #>> the_single;
   210 
   211 fun store_thm_open (name, th) =
   212   enter_thms (name_thms true false) (name_thms false false) I (name, [th]) #>> the_single;
   213 
   214 
   215 (* add_thms(s) *)
   216 
   217 fun add_thms_atts pre_name ((bname, thms), atts) =
   218   enter_thms pre_name (name_thms false true)
   219     (foldl_map (Thm.theory_attributes atts)) (bname, thms);
   220 
   221 fun gen_add_thmss pre_name =
   222   fold_map (add_thms_atts pre_name);
   223 
   224 fun gen_add_thms pre_name args =
   225   apfst (map hd) o gen_add_thmss pre_name (map (apfst (apsnd single)) args);
   226 
   227 val add_thmss = gen_add_thmss (name_thms true true);
   228 val add_thms = gen_add_thms (name_thms true true);
   229 val add_thm = yield_singleton add_thms;
   230 
   231 
   232 (* add_thms_dynamic *)
   233 
   234 fun add_thms_dynamic (bname, f) thy =
   235   let val name = Sign.full_name thy bname
   236   in thy |> FactsData.map (Facts.add_dynamic (Sign.naming_of thy) (name, f)) end;
   237 
   238 
   239 (* note_thmss(_i) *)
   240 
   241 local
   242 
   243 fun gen_note_thmss get tag = fold_map (fn ((bname, more_atts), ths_atts) => fn thy =>
   244   let
   245     fun app (x, (ths, atts)) = foldl_map (Thm.theory_attributes atts) (x, ths);
   246     val (thms, thy') = thy |> enter_thms
   247       (name_thmss true) (name_thms false true) (apsnd flat o foldl_map app)
   248       (bname, map (fn (ths, atts) => (get thy ths, surround tag (atts @ more_atts))) ths_atts);
   249   in ((bname, thms), thy') end);
   250 
   251 in
   252 
   253 fun note_thmss k = gen_note_thmss (K I) (kind k);
   254 fun note_thmss_grouped k g = gen_note_thmss (K I) (kind k #> group g);
   255 fun note_thmss_cmd k = gen_note_thmss (fn thy => get_fact (Context.Theory thy) thy) (kind k);
   256 
   257 end;
   258 
   259 
   260 (* store axioms as theorems *)
   261 
   262 local
   263   fun get_ax thy (name, _) = Thm.get_axiom_i thy (Sign.full_name thy name);
   264   fun get_axs thy named_axs = map (Thm.forall_elim_vars 0 o get_ax thy) named_axs;
   265   fun add_axm add = fold_map (fn ((name, ax), atts) => fn thy =>
   266     let
   267       val named_ax = [(name, ax)];
   268       val thy' = add named_ax thy;
   269       val thm = hd (get_axs thy' named_ax);
   270     in apfst hd (gen_add_thms (K I) [((name, thm), atts)] thy') end);
   271 in
   272   val add_defs               = add_axm o Theory.add_defs_i false;
   273   val add_defs_unchecked     = add_axm o Theory.add_defs_i true;
   274   val add_axioms             = add_axm Theory.add_axioms_i;
   275   val add_defs_cmd           = add_axm o Theory.add_defs false;
   276   val add_defs_unchecked_cmd = add_axm o Theory.add_defs true;
   277   val add_axioms_cmd         = add_axm Theory.add_axioms;
   278 end;
   279 
   280 
   281 
   282 (*** Pure theory syntax and logical content ***)
   283 
   284 val typ = SimpleSyntax.read_typ;
   285 val term = SimpleSyntax.read_term;
   286 val prop = SimpleSyntax.read_prop;
   287 
   288 
   289 (* application syntax variants *)
   290 
   291 val appl_syntax =
   292  [("_appl", typ "('b => 'a) => args => logic", Mixfix ("(1_/(1'(_')))", [1000, 0], 1000)),
   293   ("_appl", typ "('b => 'a) => args => aprop", Mixfix ("(1_/(1'(_')))", [1000, 0], 1000))];
   294 
   295 val applC_syntax =
   296  [("",       typ "'a => cargs",                  Delimfix "_"),
   297   ("_cargs", typ "'a => cargs => cargs",         Mixfix ("_/ _", [1000, 1000], 1000)),
   298   ("_applC", typ "('b => 'a) => cargs => logic", Mixfix ("(1_/ _)", [1000, 1000], 999)),
   299   ("_applC", typ "('b => 'a) => cargs => aprop", Mixfix ("(1_/ _)", [1000, 1000], 999))];
   300 
   301 structure OldApplSyntax = TheoryDataFun
   302 (
   303   type T = bool;
   304   val empty = false;
   305   val copy = I;
   306   val extend = I;
   307   fun merge _ (b1, b2) : T =
   308     if b1 = b2 then b1
   309     else error "Cannot merge theories with different application syntax";
   310 );
   311 
   312 val old_appl_syntax = OldApplSyntax.get;
   313 
   314 val old_appl_syntax_setup =
   315   OldApplSyntax.put true #>
   316   Sign.del_modesyntax_i Syntax.mode_default applC_syntax #>
   317   Sign.add_syntax_i appl_syntax;
   318 
   319 
   320 (* main content *)
   321 
   322 val _ = Context.>> (Context.map_theory
   323   (OldApplSyntax.init #>
   324    Sign.add_types
   325    [("fun", 2, NoSyn),
   326     ("prop", 0, NoSyn),
   327     ("itself", 1, NoSyn),
   328     ("dummy", 0, NoSyn)]
   329   #> Sign.add_nonterminals Syntax.basic_nonterms
   330   #> Sign.add_syntax_i
   331    [("_lambda",     typ "pttrns => 'a => logic",       Mixfix ("(3%_./ _)", [0, 3], 3)),
   332     ("_abs",        typ "'a",                          NoSyn),
   333     ("",            typ "'a => args",                  Delimfix "_"),
   334     ("_args",       typ "'a => args => args",          Delimfix "_,/ _"),
   335     ("",            typ "id => idt",                   Delimfix "_"),
   336     ("_idtdummy",   typ "idt",                         Delimfix "'_"),
   337     ("_idtyp",      typ "id => type => idt",           Mixfix ("_::_", [], 0)),
   338     ("_idtypdummy", typ "type => idt",                 Mixfix ("'_()::_", [], 0)),
   339     ("",            typ "idt => idt",                  Delimfix "'(_')"),
   340     ("",            typ "idt => idts",                 Delimfix "_"),
   341     ("_idts",       typ "idt => idts => idts",         Mixfix ("_/ _", [1, 0], 0)),
   342     ("",            typ "idt => pttrn",                Delimfix "_"),
   343     ("",            typ "pttrn => pttrns",             Delimfix "_"),
   344     ("_pttrns",     typ "pttrn => pttrns => pttrns",   Mixfix ("_/ _", [1, 0], 0)),
   345     ("",            typ "id => aprop",                 Delimfix "_"),
   346     ("",            typ "longid => aprop",             Delimfix "_"),
   347     ("",            typ "var => aprop",                Delimfix "_"),
   348     ("_DDDOT",      typ "aprop",                       Delimfix "..."),
   349     ("_aprop",      typ "aprop => prop",               Delimfix "PROP _"),
   350     ("_asm",        typ "prop => asms",                Delimfix "_"),
   351     ("_asms",       typ "prop => asms => asms",        Delimfix "_;/ _"),
   352     ("_bigimpl",    typ "asms => prop => prop",        Mixfix ("((3[| _ |])/ ==> _)", [0, 1], 1)),
   353     ("_ofclass",    typ "type => logic => prop",       Delimfix "(1OFCLASS/(1'(_,/ _')))"),
   354     ("_mk_ofclass", typ "dummy",                       NoSyn),
   355     ("_TYPE",       typ "type => logic",               Delimfix "(1TYPE/(1'(_')))"),
   356     ("",            typ "id => logic",                 Delimfix "_"),
   357     ("",            typ "longid => logic",             Delimfix "_"),
   358     ("",            typ "var => logic",                Delimfix "_"),
   359     ("_DDDOT",      typ "logic",                       Delimfix "..."),
   360     ("_constify",   typ "num => num_const",            Delimfix "_"),
   361     ("_indexnum",   typ "num_const => index",          Delimfix "\\<^sub>_"),
   362     ("_index",      typ "logic => index",              Delimfix "(00\\<^bsub>_\\<^esub>)"),
   363     ("_indexdefault", typ "index",                     Delimfix ""),
   364     ("_indexvar",   typ "index",                       Delimfix "'\\<index>"),
   365     ("_struct",     typ "index => logic",              Mixfix ("\\<struct>_", [1000], 1000)),
   366     ("==>",         typ "prop => prop => prop",        Delimfix "op ==>"),
   367     (Term.dummy_patternN, typ "aprop",                 Delimfix "'_")]
   368   #> Sign.add_syntax_i applC_syntax
   369   #> Sign.add_modesyntax_i (Symbol.xsymbolsN, true)
   370    [("fun",      typ "type => type => type",   Mixfix ("(_/ \\<Rightarrow> _)", [1, 0], 0)),
   371     ("_bracket", typ "types => type => type",  Mixfix ("([_]/ \\<Rightarrow> _)", [0, 0], 0)),
   372     ("_ofsort",  typ "tid => sort => type",    Mixfix ("_\\<Colon>_", [1000, 0], 1000)),
   373     ("_constrain", typ "'a => type => 'a",     Mixfix ("_\\<Colon>_", [4, 0], 3)),
   374     ("_idtyp",    typ "id => type => idt",     Mixfix ("_\\<Colon>_", [], 0)),
   375     ("_idtypdummy", typ "type => idt",         Mixfix ("'_()\\<Colon>_", [], 0)),
   376     ("_type_constraint_", typ "'a",            NoSyn),
   377     ("_lambda",  typ "pttrns => 'a => logic",  Mixfix ("(3\\<lambda>_./ _)", [0, 3], 3)),
   378     ("==",       typ "'a => 'a => prop",       InfixrName ("\\<equiv>", 2)),
   379     ("all_binder", typ "idts => prop => prop", Mixfix ("(3\\<And>_./ _)", [0, 0], 0)),
   380     ("==>",      typ "prop => prop => prop",   InfixrName ("\\<Longrightarrow>", 1)),
   381     ("_DDDOT",   typ "aprop",                  Delimfix "\\<dots>"),
   382     ("_bigimpl", typ "asms => prop => prop",   Mixfix ("((1\\<lbrakk>_\\<rbrakk>)/ \\<Longrightarrow> _)", [0, 1], 1)),
   383     ("_DDDOT",   typ "logic",                  Delimfix "\\<dots>")]
   384   #> Sign.add_modesyntax_i ("", false)
   385    [("prop", typ "prop => prop", Mixfix ("_", [0], 0)),
   386     ("Pure.term", typ "'a => prop", Delimfix "TERM _"),
   387     ("Pure.conjunction", typ "prop => prop => prop", InfixrName ("&&", 2))]
   388   #> Sign.add_modesyntax_i ("HTML", false)
   389    [("_lambda", typ "pttrns => 'a => logic", Mixfix ("(3\\<lambda>_./ _)", [0, 3], 3))]
   390   #> Sign.add_consts_i
   391    [("==", typ "'a => 'a => prop", InfixrName ("==", 2)),
   392     ("==>", typ "prop => prop => prop", Mixfix ("(_/ ==> _)", [2, 1], 1)),
   393     ("all", typ "('a => prop) => prop", Binder ("!!", 0, 0)),
   394     ("prop", typ "prop => prop", NoSyn),
   395     ("TYPE", typ "'a itself", NoSyn),
   396     (Term.dummy_patternN, typ "'a", Delimfix "'_")]
   397   #> Theory.add_deps "==" ("==", typ "'a => 'a => prop") []
   398   #> Theory.add_deps "==>" ("==>", typ "prop => prop => prop") []
   399   #> Theory.add_deps "all" ("all", typ "('a => prop) => prop") []
   400   #> Theory.add_deps "TYPE" ("TYPE", typ "'a itself") []
   401   #> Theory.add_deps Term.dummy_patternN (Term.dummy_patternN, typ "'a") []
   402   #> Sign.add_trfuns Syntax.pure_trfuns
   403   #> Sign.add_trfunsT Syntax.pure_trfunsT
   404   #> Sign.local_path
   405   #> Sign.add_consts_i
   406    [("term", typ "'a => prop", NoSyn),
   407     ("conjunction", typ "prop => prop => prop", NoSyn)]
   408   #> (add_defs false o map Thm.no_attributes)
   409    [("prop_def", prop "(CONST prop :: prop => prop) (A::prop) == A::prop"),
   410     ("term_def", prop "(CONST Pure.term :: 'a => prop) (x::'a) == (!!A::prop. A ==> A)"),
   411     ("conjunction_def", prop "(A && B) == (!!C::prop. (A ==> B ==> C) ==> C)")] #> snd
   412   #> Sign.hide_const false "Pure.conjunction"
   413   #> Sign.hide_const false "Pure.term"
   414   #> add_thmss [(("nothing", []), [])] #> snd
   415   #> Theory.add_axioms_i Proofterm.equality_axms));
   416 
   417 end;
   418