src/Pure/pure_thy.ML
author haftmann
Thu, 04 Dec 2008 14:43:33 +0100
changeset 28965 1de908189869
parent 28939 128459bd72d2
child 28981 c9cf71e161b9
permissions -rw-r--r--
cleaned up binding module and related code
     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 facts_of: theory -> Facts.T
    11   val intern_fact: theory -> xstring -> string
    12   val defined_fact: theory -> string -> bool
    13   val hide_fact: bool -> string -> theory -> theory
    14   val force_proofs: theory -> unit
    15   val get_fact: Context.generic -> theory -> Facts.ref -> thm list
    16   val get_thms: theory -> xstring -> thm list
    17   val get_thm: theory -> xstring -> thm
    18   val all_thms_of: theory -> (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 -> Position.T -> string -> thm -> thm
    25   val name_thms: bool -> bool -> Position.T -> string -> thm list -> thm list
    26   val name_thmss: bool -> Position.T -> string -> (thm list * 'a) list -> (thm list * 'a) list
    27   val store_thms: bstring * thm list -> theory -> thm list * theory
    28   val store_thm: bstring * thm -> theory -> thm * theory
    29   val store_thm_open: bstring * thm -> theory -> thm * theory
    30   val add_thms: ((bstring * thm) * attribute list) list -> theory -> thm list * theory
    31   val add_thm: (bstring * thm) * attribute list -> theory -> thm * theory
    32   val add_thmss: ((bstring * thm list) * attribute list) list -> theory -> thm list list * theory
    33   val add_thms_dynamic: bstring * (Context.generic -> thm list) -> theory -> theory
    34   val note_thmss: string -> ((Binding.T * attribute list) *
    35     (thm list * attribute list) list) list -> theory -> (string * thm list) list * theory
    36   val note_thmss_grouped: string -> string -> ((Binding.T * attribute list) *
    37     (thm list * attribute list) list) list -> theory -> (string * thm list) list * theory
    38   val add_axioms: ((bstring * term) * attribute list) list -> theory -> thm list * theory
    39   val add_axioms_cmd: ((bstring * string) * attribute list) list -> theory -> thm list * theory
    40   val add_defs: bool -> ((bstring * term) * attribute list) list ->
    41     theory -> thm list * theory
    42   val add_defs_unchecked: bool -> ((bstring * term) * attribute list) list ->
    43     theory -> thm list * theory
    44   val add_defs_unchecked_cmd: bool -> ((bstring * string) * attribute list) list ->
    45     theory -> thm list * theory
    46   val add_defs_cmd: bool -> ((bstring * string) * attribute list) list ->
    47     theory -> thm list * theory
    48   val old_appl_syntax: theory -> bool
    49   val old_appl_syntax_setup: theory -> theory
    50 end;
    51 
    52 structure PureThy: PURE_THY =
    53 struct
    54 
    55 
    56 (*** stored facts ***)
    57 
    58 (** theory data **)
    59 
    60 structure FactsData = TheoryDataFun
    61 (
    62   type T = Facts.T * unit Lazy.T list;
    63   val empty = (Facts.empty, []);
    64   val copy = I;
    65   fun extend (facts, _) = (facts, []);
    66   fun merge _ ((facts1, _), (facts2, _)) = (Facts.merge (facts1, facts2), []);
    67 );
    68 
    69 
    70 (* facts *)
    71 
    72 val facts_of = #1 o FactsData.get;
    73 
    74 val intern_fact = Facts.intern o facts_of;
    75 val defined_fact = Facts.defined o facts_of;
    76 
    77 fun hide_fact fully name = FactsData.map (apfst (Facts.hide fully name));
    78 
    79 
    80 (* proofs *)
    81 
    82 fun lazy_proof thm = Lazy.lazy (fn () => Thm.force_proof thm);
    83 val force_proofs = List.app Lazy.force o #2 o FactsData.get;
    84 
    85 
    86 
    87 (** retrieve theorems **)
    88 
    89 fun get_fact context thy xthmref =
    90   let
    91     val xname = Facts.name_of_ref xthmref;
    92     val pos = Facts.pos_of_ref xthmref;
    93 
    94     val name = intern_fact thy xname;
    95     val res = Facts.lookup context (facts_of thy) name;
    96     val _ = Theory.check_thy thy;
    97   in
    98     (case res of
    99       NONE => error ("Unknown fact " ^ quote name ^ Position.str_of pos)
   100     | SOME (static, ths) =>
   101         (Position.report ((if static then Markup.fact else Markup.dynamic_fact) name) pos;
   102          Facts.select xthmref (map (Thm.transfer thy) ths)))
   103   end;
   104 
   105 fun get_thms thy = get_fact (Context.Theory thy) thy o Facts.named;
   106 fun get_thm thy name = Facts.the_single name (get_thms thy name);
   107 
   108 fun all_thms_of thy =
   109   Facts.fold_static (fn (_, ths) => append (map (`(Thm.get_name_hint)) ths)) (facts_of thy) [];
   110 
   111 
   112 
   113 (** store theorems **)
   114 
   115 (* fact specifications *)
   116 
   117 fun map_facts f = map (apsnd (map (apfst (map f))));
   118 fun burrow_fact f = split_list #>> burrow f #> op ~~;
   119 fun burrow_facts f = split_list ##> burrow (burrow_fact f) #> op ~~;
   120 
   121 
   122 (* naming *)
   123 
   124 fun name_multi name [x] = [(name, x)]
   125   | name_multi "" xs = map (pair "") xs
   126   | name_multi name xs = map_index (fn (i, x) => (name ^ "_" ^ string_of_int (i + 1), x)) xs;
   127 
   128 fun name_thm pre official pos name thm = thm
   129   |> (if Thm.get_name thm <> "" andalso pre orelse not official then I else Thm.put_name name)
   130   |> (if Thm.has_name_hint thm andalso pre orelse name = "" then I else Thm.put_name_hint name)
   131   |> Thm.default_position pos
   132   |> Thm.default_position (Position.thread_data ());
   133 
   134 fun name_thms pre official pos name xs =
   135   map (uncurry (name_thm pre official pos)) (name_multi name xs);
   136 
   137 fun name_thmss official pos name fact =
   138   burrow_fact (name_thms true official pos name) fact;
   139 
   140 
   141 (* enter_thms *)
   142 
   143 fun enter_proofs (thy, thms) =
   144   (FactsData.map (apsnd (fold (cons o lazy_proof) thms)) thy, thms);
   145 
   146 fun enter_thms pre_name post_name app_att (b, thms) thy =
   147   if Binding.is_empty b
   148   then swap (enter_proofs (app_att (thy, thms)))
   149   else let
   150     val naming = Sign.naming_of thy;
   151     val name = NameSpace.full_name naming b;
   152     val (thy', thms') =
   153       enter_proofs (apsnd (post_name name) (app_att (thy, pre_name name thms)));
   154     val thms'' = map (Thm.transfer thy') thms';
   155     val thy'' = thy' |> (FactsData.map o apfst) (Facts.add_global naming (b, thms'') #> snd);
   156   in (thms'', thy'') end;
   157 
   158 
   159 (* store_thm(s) *)
   160 
   161 fun store_thms (bname, thms) = enter_thms (name_thms true true Position.none)
   162   (name_thms false true Position.none) I (Binding.name bname, thms);
   163 
   164 fun store_thm (bname, th) = store_thms (bname, [th]) #>> the_single;
   165 
   166 fun store_thm_open (bname, th) =
   167   enter_thms (name_thms true false Position.none) (name_thms false false Position.none) I
   168     (Binding.name bname, [th]) #>> the_single;
   169 
   170 
   171 (* add_thms(s) *)
   172 
   173 fun add_thms_atts pre_name ((bname, thms), atts) =
   174   enter_thms pre_name (name_thms false true Position.none)
   175     (foldl_map (Thm.theory_attributes atts)) (Binding.name bname, thms);
   176 
   177 fun gen_add_thmss pre_name =
   178   fold_map (add_thms_atts pre_name);
   179 
   180 fun gen_add_thms pre_name args =
   181   apfst (map hd) o gen_add_thmss pre_name (map (apfst (apsnd single)) args);
   182 
   183 val add_thmss = gen_add_thmss (name_thms true true Position.none);
   184 val add_thms = gen_add_thms (name_thms true true Position.none);
   185 val add_thm = yield_singleton add_thms;
   186 
   187 
   188 (* add_thms_dynamic *)
   189 
   190 fun add_thms_dynamic (bname, f) thy = thy
   191   |> (FactsData.map o apfst)
   192       (Facts.add_dynamic (Sign.naming_of thy) (Binding.name bname, f) #> snd);
   193 
   194 
   195 (* note_thmss *)
   196 
   197 local
   198 
   199 fun gen_note_thmss tag = fold_map (fn ((b, more_atts), ths_atts) => fn thy =>
   200   let
   201     val pos = Binding.pos_of b;
   202     val name = Sign.full_name thy b;
   203     val _ = Position.report (Markup.fact_decl name) pos;
   204 
   205     fun app (x, (ths, atts)) = foldl_map (Thm.theory_attributes atts) (x, ths);
   206     val (thms, thy') = thy |> enter_thms
   207       (name_thmss true pos) (name_thms false true pos) (apsnd flat o foldl_map app)
   208       (b, map (fn (ths, atts) => (ths, surround tag (atts @ more_atts))) ths_atts);
   209   in ((name, thms), thy') end);
   210 
   211 in
   212 
   213 fun note_thmss k = gen_note_thmss (Thm.kind k);
   214 fun note_thmss_grouped k g = gen_note_thmss (Thm.kind k #> Thm.group g);
   215 
   216 end;
   217 
   218 
   219 (* store axioms as theorems *)
   220 
   221 local
   222   fun get_ax thy (name, _) = Thm.axiom thy (Sign.full_bname thy name);
   223   fun get_axs thy named_axs = map (Thm.forall_elim_vars 0 o get_ax thy) named_axs;
   224   fun add_axm add = fold_map (fn ((name, ax), atts) => fn thy =>
   225     let
   226       val named_ax = [(name, ax)];
   227       val thy' = add named_ax thy;
   228       val thm = hd (get_axs thy' named_ax);
   229     in apfst hd (gen_add_thms (K I) [((name, thm), atts)] thy') end);
   230 in
   231   val add_defs               = add_axm o Theory.add_defs_i false;
   232   val add_defs_unchecked     = add_axm o Theory.add_defs_i true;
   233   val add_axioms             = add_axm Theory.add_axioms_i;
   234   val add_defs_cmd           = add_axm o Theory.add_defs false;
   235   val add_defs_unchecked_cmd = add_axm o Theory.add_defs true;
   236   val add_axioms_cmd         = add_axm Theory.add_axioms;
   237 end;
   238 
   239 
   240 
   241 (*** Pure theory syntax and logical content ***)
   242 
   243 val typ = SimpleSyntax.read_typ;
   244 val term = SimpleSyntax.read_term;
   245 val prop = SimpleSyntax.read_prop;
   246 
   247 val typeT = Syntax.typeT;
   248 val spropT = Syntax.spropT;
   249 
   250 
   251 (* application syntax variants *)
   252 
   253 val appl_syntax =
   254  [("_appl", typ "('b => 'a) => args => logic", Mixfix ("(1_/(1'(_')))", [1000, 0], 1000)),
   255   ("_appl", typ "('b => 'a) => args => aprop", Mixfix ("(1_/(1'(_')))", [1000, 0], 1000))];
   256 
   257 val applC_syntax =
   258  [("",       typ "'a => cargs",                  Delimfix "_"),
   259   ("_cargs", typ "'a => cargs => cargs",         Mixfix ("_/ _", [1000, 1000], 1000)),
   260   ("_applC", typ "('b => 'a) => cargs => logic", Mixfix ("(1_/ _)", [1000, 1000], 999)),
   261   ("_applC", typ "('b => 'a) => cargs => aprop", Mixfix ("(1_/ _)", [1000, 1000], 999))];
   262 
   263 structure OldApplSyntax = TheoryDataFun
   264 (
   265   type T = bool;
   266   val empty = false;
   267   val copy = I;
   268   val extend = I;
   269   fun merge _ (b1, b2) : T =
   270     if b1 = b2 then b1
   271     else error "Cannot merge theories with different application syntax";
   272 );
   273 
   274 val old_appl_syntax = OldApplSyntax.get;
   275 
   276 val old_appl_syntax_setup =
   277   OldApplSyntax.put true #>
   278   Sign.del_modesyntax_i Syntax.mode_default applC_syntax #>
   279   Sign.add_syntax_i appl_syntax;
   280 
   281 
   282 (* main content *)
   283 
   284 val _ = Context.>> (Context.map_theory
   285   (OldApplSyntax.init #>
   286    Sign.add_types
   287    [("fun", 2, NoSyn),
   288     ("prop", 0, NoSyn),
   289     ("itself", 1, NoSyn),
   290     ("dummy", 0, NoSyn)]
   291   #> Sign.add_nonterminals Syntax.basic_nonterms
   292   #> Sign.add_syntax_i
   293    [("_lambda",     typ "pttrns => 'a => logic",       Mixfix ("(3%_./ _)", [0, 3], 3)),
   294     ("_abs",        typ "'a",                          NoSyn),
   295     ("",            typ "'a => args",                  Delimfix "_"),
   296     ("_args",       typ "'a => args => args",          Delimfix "_,/ _"),
   297     ("",            typ "id => idt",                   Delimfix "_"),
   298     ("_idtdummy",   typ "idt",                         Delimfix "'_"),
   299     ("_idtyp",      typ "id => type => idt",           Mixfix ("_::_", [], 0)),
   300     ("_idtypdummy", typ "type => idt",                 Mixfix ("'_()::_", [], 0)),
   301     ("",            typ "idt => idt",                  Delimfix "'(_')"),
   302     ("",            typ "idt => idts",                 Delimfix "_"),
   303     ("_idts",       typ "idt => idts => idts",         Mixfix ("_/ _", [1, 0], 0)),
   304     ("",            typ "idt => pttrn",                Delimfix "_"),
   305     ("",            typ "pttrn => pttrns",             Delimfix "_"),
   306     ("_pttrns",     typ "pttrn => pttrns => pttrns",   Mixfix ("_/ _", [1, 0], 0)),
   307     ("",            typ "aprop => aprop",              Delimfix "'(_')"),
   308     ("",            typ "id => aprop",                 Delimfix "_"),
   309     ("",            typ "longid => aprop",             Delimfix "_"),
   310     ("",            typ "var => aprop",                Delimfix "_"),
   311     ("_DDDOT",      typ "aprop",                       Delimfix "..."),
   312     ("_aprop",      typ "aprop => prop",               Delimfix "PROP _"),
   313     ("_asm",        typ "prop => asms",                Delimfix "_"),
   314     ("_asms",       typ "prop => asms => asms",        Delimfix "_;/ _"),
   315     ("_bigimpl",    typ "asms => prop => prop",        Mixfix ("((3[| _ |])/ ==> _)", [0, 1], 1)),
   316     ("_ofclass",    typ "type => logic => prop",       Delimfix "(1OFCLASS/(1'(_,/ _')))"),
   317     ("_mk_ofclass", typ "dummy",                       NoSyn),
   318     ("_TYPE",       typ "type => logic",               Delimfix "(1TYPE/(1'(_')))"),
   319     ("",            typ "id => logic",                 Delimfix "_"),
   320     ("",            typ "longid => logic",             Delimfix "_"),
   321     ("",            typ "var => logic",                Delimfix "_"),
   322     ("_DDDOT",      typ "logic",                       Delimfix "..."),
   323     ("_constify",   typ "num => num_const",            Delimfix "_"),
   324     ("_constify",   typ "float => float_const",        Delimfix "_"),
   325     ("_indexnum",   typ "num_const => index",          Delimfix "\\<^sub>_"),
   326     ("_index",      typ "logic => index",              Delimfix "(00\\<^bsub>_\\<^esub>)"),
   327     ("_indexdefault", typ "index",                     Delimfix ""),
   328     ("_indexvar",   typ "index",                       Delimfix "'\\<index>"),
   329     ("_struct",     typ "index => logic",              Mixfix ("\\<struct>_", [1000], 1000)),
   330     ("==>",         typ "prop => prop => prop",        Delimfix "op ==>"),
   331     (Term.dummy_patternN, typ "aprop",                 Delimfix "'_"),
   332     ("_sort_constraint", typ "type => prop",           Delimfix "(1SORT'_CONSTRAINT/(1'(_')))"),
   333     ("Pure.term",   typ "logic => prop",               Delimfix "TERM _"),
   334     ("Pure.conjunction", typ "prop => prop => prop",   InfixrName ("&&&", 2))]
   335   #> Sign.add_syntax_i applC_syntax
   336   #> Sign.add_modesyntax_i (Symbol.xsymbolsN, true)
   337    [("fun",      typ "type => type => type",   Mixfix ("(_/ \\<Rightarrow> _)", [1, 0], 0)),
   338     ("_bracket", typ "types => type => type",  Mixfix ("([_]/ \\<Rightarrow> _)", [0, 0], 0)),
   339     ("_ofsort",  typ "tid => sort => type",    Mixfix ("_\\<Colon>_", [1000, 0], 1000)),
   340     ("_constrain", typ "logic => type => logic", Mixfix ("_\\<Colon>_", [4, 0], 3)),
   341     ("_constrain", [spropT, typeT] ---> spropT, Mixfix ("_\\<Colon>_", [4, 0], 3)),
   342     ("_idtyp",    typ "id => type => idt",     Mixfix ("_\\<Colon>_", [], 0)),
   343     ("_idtypdummy", typ "type => idt",         Mixfix ("'_()\\<Colon>_", [], 0)),
   344     ("_type_constraint_", typ "'a",            NoSyn),
   345     ("_lambda",  typ "pttrns => 'a => logic",  Mixfix ("(3\\<lambda>_./ _)", [0, 3], 3)),
   346     ("==",       typ "'a => 'a => prop",       InfixrName ("\\<equiv>", 2)),
   347     ("all_binder", typ "idts => prop => prop", Mixfix ("(3\\<And>_./ _)", [0, 0], 0)),
   348     ("==>",      typ "prop => prop => prop",   InfixrName ("\\<Longrightarrow>", 1)),
   349     ("_DDDOT",   typ "aprop",                  Delimfix "\\<dots>"),
   350     ("_bigimpl", typ "asms => prop => prop",   Mixfix ("((1\\<lbrakk>_\\<rbrakk>)/ \\<Longrightarrow> _)", [0, 1], 1)),
   351     ("_DDDOT",   typ "logic",                  Delimfix "\\<dots>")]
   352   #> Sign.add_modesyntax_i ("", false)
   353    [("prop", typ "prop => prop", Mixfix ("_", [0], 0))]
   354   #> Sign.add_modesyntax_i ("HTML", false)
   355    [("_lambda", typ "pttrns => 'a => logic", Mixfix ("(3\\<lambda>_./ _)", [0, 3], 3))]
   356   #> Sign.add_consts_i
   357    [("==", typ "'a => 'a => prop", InfixrName ("==", 2)),
   358     ("==>", typ "prop => prop => prop", Mixfix ("(_/ ==> _)", [2, 1], 1)),
   359     ("all", typ "('a => prop) => prop", Binder ("!!", 0, 0)),
   360     ("prop", typ "prop => prop", NoSyn),
   361     ("TYPE", typ "'a itself", NoSyn),
   362     (Term.dummy_patternN, typ "'a", Delimfix "'_")]
   363   #> Theory.add_deps "==" ("==", typ "'a => 'a => prop") []
   364   #> Theory.add_deps "==>" ("==>", typ "prop => prop => prop") []
   365   #> Theory.add_deps "all" ("all", typ "('a => prop) => prop") []
   366   #> Theory.add_deps "TYPE" ("TYPE", typ "'a itself") []
   367   #> Theory.add_deps Term.dummy_patternN (Term.dummy_patternN, typ "'a") []
   368   #> Sign.add_trfuns Syntax.pure_trfuns
   369   #> Sign.add_trfunsT Syntax.pure_trfunsT
   370   #> Sign.local_path
   371   #> Sign.add_consts_i
   372    [("term", typ "'a => prop", NoSyn),
   373     ("sort_constraint", typ "'a itself => prop", NoSyn),
   374     ("conjunction", typ "prop => prop => prop", NoSyn)]
   375   #> (add_defs false o map Thm.no_attributes)
   376    [("prop_def", prop "(CONST prop :: prop => prop) (A::prop) == A::prop"),
   377     ("term_def", prop "(CONST Pure.term :: 'a => prop) (x::'a) == (!!A::prop. A ==> A)"),
   378     ("sort_constraint_def",
   379       prop "(CONST Pure.sort_constraint :: 'a itself => prop) (CONST TYPE :: 'a itself) ==\
   380       \ (CONST Pure.term :: 'a itself => prop) (CONST TYPE :: 'a itself)"),
   381     ("conjunction_def", prop "(A &&& B) == (!!C::prop. (A ==> B ==> C) ==> C)")] #> snd
   382   #> Sign.hide_const false "Pure.term"
   383   #> Sign.hide_const false "Pure.sort_constraint"
   384   #> Sign.hide_const false "Pure.conjunction"
   385   #> add_thmss [(("nothing", []), [])] #> snd
   386   #> Theory.add_axioms_i Proofterm.equality_axms));
   387 
   388 end;