src/Pure/Isar/attrib.ML
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(*  Title:      Pure/Isar/attrib.ML
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    ID:         $Id$
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    Author:     Markus Wenzel, TU Muenchen
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Symbolic theorem attributes.
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*)
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signature BASIC_ATTRIB =
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sig
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  val print_attributes: theory -> unit
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  val Attribute: bstring -> (Args.src -> theory attribute) * (Args.src -> ProofContext.context attribute)
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    -> string -> unit
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end;
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signature ATTRIB =
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sig
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  include BASIC_ATTRIB
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  type src
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  exception ATTRIB_FAIL of (string * Position.T) * exn
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  val intern: Sign.sg -> xstring -> string
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  val intern_src: Sign.sg -> src -> src
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  val global_attribute_i: theory -> src -> theory attribute
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  val global_attribute: theory -> src -> theory attribute
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  val local_attribute_i: theory -> src -> ProofContext.context attribute
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  val local_attribute: theory -> src -> ProofContext.context attribute
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  val context_attribute_i: ProofContext.context -> Args.src -> ProofContext.context attribute
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  val context_attribute: ProofContext.context -> Args.src -> ProofContext.context attribute
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  val undef_global_attribute: theory attribute
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  val undef_local_attribute: ProofContext.context attribute
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  val crude_closure: ProofContext.context -> src -> src
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  val add_attributes: (bstring * ((src -> theory attribute) *
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      (src -> ProofContext.context attribute)) * string) list -> theory -> theory
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  val global_thm: theory * Args.T list -> thm * (theory * Args.T list)
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  val global_thms: theory * Args.T list -> thm list * (theory * Args.T list)
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  val global_thmss: theory * Args.T list -> thm list * (theory * Args.T list)
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  val local_thm: ProofContext.context * Args.T list -> thm * (ProofContext.context * Args.T list)
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  val local_thms: ProofContext.context * Args.T list -> thm list * (ProofContext.context * Args.T list)
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  val local_thmss: ProofContext.context * Args.T list -> thm list * (ProofContext.context * Args.T list)
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  val syntax: ('a * Args.T list -> 'a attribute * ('a * Args.T list)) -> src -> 'a attribute
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  val no_args: 'a attribute -> src -> 'a attribute
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  val add_del_args: 'a attribute -> 'a attribute -> src -> 'a attribute
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  val attribute: (theory attribute * ProofContext.context attribute) -> src
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  val setup: (theory -> theory) list
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end;
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structure Attrib: ATTRIB =
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struct
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type src = Args.src;
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(** attributes theory data **)
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(* data kind 'Isar/attributes' *)
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structure AttributesDataArgs =
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struct
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  val name = "Isar/attributes";
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  type T =
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    {space: NameSpace.T,
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     attrs:
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       ((((src -> theory attribute) * (src -> ProofContext.context attribute))
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         * string) * stamp) Symtab.table};
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  val empty = {space = NameSpace.empty, attrs = Symtab.empty};
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  val copy = I;
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  val prep_ext = I;
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  fun merge ({space = space1, attrs = attrs1}, {space = space2, attrs = attrs2}) =
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    {space = NameSpace.merge (space1, space2),
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      attrs = Symtab.merge eq_snd (attrs1, attrs2) handle Symtab.DUPS dups =>
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        error ("Attempt to merge different versions of attributes " ^ commas_quote dups)};
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  fun print _ {space, attrs} =
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    let
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      fun prt_attr (name, ((_, comment), _)) = Pretty.block
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        [Pretty.str (name ^ ":"), Pretty.brk 2, Pretty.str comment];
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    in
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      [Pretty.big_list "attributes:" (map prt_attr (NameSpace.cond_extern_table space attrs))]
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      |> Pretty.chunks |> Pretty.writeln
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    end;
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end;
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structure AttributesData = TheoryDataFun(AttributesDataArgs);
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val print_attributes = AttributesData.print;
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(* interning *)
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val intern = NameSpace.intern o #space o AttributesData.get_sg;
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val intern_src = Args.map_name o intern;
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(* get global / local attributes *)
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exception ATTRIB_FAIL of (string * Position.T) * exn;
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fun gen_attribute which thy =
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  let
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    val {attrs, ...} = AttributesData.get thy;
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    fun attr src =
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      let
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        val ((name, _), pos) = Args.dest_src src;
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      in
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        (case Symtab.lookup (attrs, name) of
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          NONE => error ("Unknown attribute: " ^ quote name ^ Position.str_of pos)
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        | SOME ((p, _), _) => transform_failure (curry ATTRIB_FAIL (name, pos)) (which p src))
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      end;
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  in attr end;
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val global_attribute_i = gen_attribute fst;
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fun global_attribute thy = global_attribute_i thy o intern_src (Theory.sign_of thy);
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val local_attribute_i = gen_attribute snd;
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fun local_attribute thy = local_attribute_i thy o intern_src (Theory.sign_of thy);
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val context_attribute_i = local_attribute_i o ProofContext.theory_of;
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val context_attribute = local_attribute o ProofContext.theory_of;
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val undef_global_attribute: theory attribute =
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  fn _ => error "attribute undefined in theory context";
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val undef_local_attribute: ProofContext.context attribute =
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  fn _ => error "attribute undefined in proof context";
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(* crude_closure *)
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(*Produce closure without knowing facts in advance! The following
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  should work reasonably well for attribute parsers that do not peek
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  at the thm structure.*)
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fun crude_closure ctxt src =
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 (try (transform_error (fn () => context_attribute_i ctxt src (ctxt, Drule.asm_rl))) ();
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  Args.closure src);
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(* add_attributes *)
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fun add_attributes raw_attrs thy =
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  let
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    val full = Sign.full_name (Theory.sign_of thy);
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    val new_attrs =
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      map (fn (name, (f, g), comment) => (full name, (((f, g), comment), stamp ()))) raw_attrs;
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    val {space, attrs} = AttributesData.get thy;
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    val space' = NameSpace.extend (space, map fst new_attrs);
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    val attrs' = Symtab.extend (attrs, new_attrs) handle Symtab.DUPS dups =>
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      error ("Duplicate declaration of attributes(s) " ^ commas_quote dups);
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  in thy |> AttributesData.put {space = space', attrs = attrs'} end;
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(*implicit version*)
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fun Attribute name att cmt = Context.>> (add_attributes [(name, att, cmt)]);
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(** attribute parsers **)
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(* tags *)
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fun tag x = Scan.lift (Args.name -- Scan.repeat Args.name) x;
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(* theorems *)
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fun gen_thm theory_of attrib get pick = Scan.depend (fn st =>
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  Scan.ahead Args.name -- Args.named_fact (fn name => get st (name, NONE)) --
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  Scan.option Args.thm_sel -- Args.opt_attribs (intern (Theory.sign_of (theory_of st)))
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  >> (fn (((name, fact), sel), srcs) =>
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    let
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      val ths = PureThy.select_thm (name, sel) fact;
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      val atts = map (attrib (theory_of st)) srcs;
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      val (st', ths') = Thm.applys_attributes ((st, ths), atts);
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    in (st', pick name ths') end));
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val global_thm = gen_thm I global_attribute_i PureThy.get_thms PureThy.single_thm;
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val global_thms = gen_thm I global_attribute_i PureThy.get_thms (K I);
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val global_thmss = Scan.repeat global_thms >> List.concat;
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val local_thm =
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  gen_thm ProofContext.theory_of local_attribute_i ProofContext.get_thms PureThy.single_thm;
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val local_thms =
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  gen_thm ProofContext.theory_of local_attribute_i ProofContext.get_thms (K I);
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val local_thmss = Scan.repeat local_thms >> List.concat;
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(** attribute syntax **)
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fun syntax scan src (st, th) =
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  let val (st', f) = Args.syntax "attribute" scan src st
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  in f (st', th) end;
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fun no_args x = syntax (Scan.succeed x);
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fun add_del_args add del x = syntax
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  (Scan.lift (Args.add >> K add || Args.del >> K del || Scan.succeed add)) x;
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(** Pure attributes **)
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(* tags *)
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fun gen_tagged x = syntax (tag >> Drule.tag) x;
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fun gen_untagged x = syntax (Scan.lift Args.name >> Drule.untag) x;
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(* COMP *)
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fun comp (i, B) (x, A) = (x, Drule.compose_single (A, i, B));
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fun gen_COMP thm = syntax (Scan.lift (Scan.optional (Args.bracks Args.nat) 1) -- thm >> comp);
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val COMP_global = gen_COMP global_thm;
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val COMP_local = gen_COMP local_thm;
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(* THEN, which corresponds to RS *)
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fun resolve (i, B) (x, A) = (x, A RSN (i, B));
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fun gen_THEN thm = syntax (Scan.lift (Scan.optional (Args.bracks Args.nat) 1) -- thm >> resolve);
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val THEN_global = gen_THEN global_thm;
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val THEN_local = gen_THEN local_thm;
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(* OF *)
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fun apply Bs (x, A) = (x, Bs MRS A);
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val OF_global = syntax (global_thmss >> apply);
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val OF_local = syntax (local_thmss >> apply);
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(* read_instantiate: named instantiation of type and term variables *)
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local
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fun is_tvar (x, _) = (case Symbol.explode x of "'" :: _ => true | _ => false);
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fun error_var msg xi = error (msg ^ Syntax.string_of_vname xi);
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fun the_sort sorts xi = valOf (sorts xi)
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  handle Option.Option => error_var "No such type variable in theorem: " xi;
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fun the_type types xi = valOf (types xi)
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  handle Option.Option => error_var "No such variable in theorem: " xi;
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fun unify_types sign types ((unifier, maxidx), (xi, u)) =
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  let
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    val T = the_type types xi;
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    val U = Term.fastype_of u;
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    val maxidx' = Int.max (maxidx, Int.max (#2 xi, Term.maxidx_of_term u));
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  in
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    Type.unify (Sign.tsig_of sign) (unifier, maxidx') (T, U)
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      handle Type.TUNIFY => error_var "Incompatible type for instantiation of " xi
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  end;
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fun typ_subst env = apsnd (Term.typ_subst_TVars env);
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fun subst env = apsnd (Term.subst_TVars env);
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fun instantiate sign envT env =
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  let
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    fun prepT (a, T) = (a, Thm.ctyp_of sign T);
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    fun prep (xi, t) = pairself (Thm.cterm_of sign) (Var (xi, Term.fastype_of t), t);
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  in
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    Drule.instantiate (map prepT (distinct envT),
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      map prep (gen_distinct (fn ((xi, t), (yj, u)) => xi = yj andalso t aconv u) env))
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  end;
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in
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fun read_instantiate init mixed_insts (context, thm) =
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  let
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    val ctxt = init context;
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    val sign = ProofContext.sign_of ctxt;
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    val (type_insts, term_insts) = List.partition (is_tvar o #1) (map #2 mixed_insts);
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    val internal_insts = term_insts |> List.mapPartial
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      (fn (xi, Args.Term t) => SOME (xi, t)
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      | (_, Args.Name _) => NONE
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      | (xi, _) => error_var "Term argument expected for " xi);
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    val external_insts = term_insts |> List.mapPartial
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      (fn (xi, Args.Name s) => SOME (xi, s) | _ => NONE);
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    (* type instantiations *)
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    val sorts = #2 (Drule.types_sorts thm);
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    fun readT (xi, arg) =
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      let
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        val S = the_sort sorts xi;
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        val T =
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          (case arg of
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            Args.Name s => ProofContext.read_typ ctxt s
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          | Args.Typ T => T
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          | _ => error_var "Type argument expected for " xi);
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      in
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        if Sign.of_sort sign (T, S) then (xi, T)
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        else error_var "Incompatible sort for typ instantiation of " xi
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      end;
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    val type_insts' = map readT type_insts;
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    val thm' = instantiate sign type_insts' [] thm;
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    (* internal term instantiations *)
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    val types' = #1 (Drule.types_sorts thm');
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    val unifier = Vartab.dest (#1
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      (Library.foldl (unify_types sign types') ((Vartab.empty, 0), internal_insts)));
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    val type_insts'' = map (typ_subst unifier) type_insts';
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    val internal_insts'' = map (subst unifier) internal_insts;
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    val thm'' = instantiate sign unifier internal_insts'' thm';
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    (* external term instantiations *)
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    val types'' = #1 (Drule.types_sorts thm'');
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    val (xs, ss) = split_list external_insts;
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    val Ts = map (the_type types'') xs;
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    val (ts, inferred) = ProofContext.read_termTs ctxt (K false)
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        (K NONE) (K NONE) (Drule.add_used thm'' []) (ss ~~ Ts);
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    val type_insts''' = map (typ_subst inferred) type_insts'';
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    val internal_insts''' = map (subst inferred) internal_insts'';
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    val external_insts''' = xs ~~ ts;
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    val term_insts''' = internal_insts''' @ external_insts''';
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    val thm''' = instantiate sign inferred external_insts''' thm'';
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  in
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    (* assign internalized values *)
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    mixed_insts |> List.app (fn (arg, (xi, _)) =>
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      if is_tvar xi then
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        Args.assign (SOME (Args.Typ (valOf (assoc (type_insts''', xi))))) arg
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   342
      else
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   343
        Args.assign (SOME (Args.Term (valOf (assoc (term_insts''', xi))))) arg);
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   344
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   345
    (context, thm''' |> RuleCases.save thm)
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   346
  end;
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   347
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end;
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   349
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   350
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   351
(* where: named instantiation *)
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   352
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   353
local
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   354
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   355
val value =
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   356
  Args.internal_typ >> Args.Typ ||
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   357
  Args.internal_term >> Args.Term ||
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   358
  Args.name >> Args.Name;
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diff changeset
   359
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diff changeset
   360
val inst = Args.var -- (Args.$$$ "=" |-- Args.ahead -- value)
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   361
  >> (fn (xi, (a, v)) => (a, (xi, v)));
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diff changeset
   362
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   363
fun gen_where init =
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   364
  syntax (Args.and_list (Scan.lift inst) >> read_instantiate init);
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parents: 15596
diff changeset
   365
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   366
in
5823
ee7c198a2154 Symbolic theorem attributes.
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parents:
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   367
9902
1ea354905d88 improved att names / msgs;
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   368
val where_global = gen_where ProofContext.init;
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   369
val where_local = gen_where I;
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18b8f048d93a several args parsers;
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parents: 5823
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   370
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   371
end;
5879
18b8f048d93a several args parsers;
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parents: 5823
diff changeset
   372
15703
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   373
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   374
(* of: positional instantiation (term arguments only) *)
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   375
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   376
local
5912
3f95adea10c0 exception ATTRIB_FAIL;
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parents: 5894
diff changeset
   377
15703
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   378
fun read_instantiate' init (args, concl_args) (context, thm) =
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   379
  let
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   380
    fun zip_vars _ [] = []
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   381
      | zip_vars (_ :: xs) ((_, NONE) :: rest) = zip_vars xs rest
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parents: 15596
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   382
      | zip_vars ((x, _) :: xs) ((a, SOME t) :: rest) = (a, (x, t)) :: zip_vars xs rest
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   383
      | zip_vars [] _ = error "More instantiations than variables in theorem";
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parents: 15596
diff changeset
   384
    val insts =
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parents: 15596
diff changeset
   385
      zip_vars (Drule.vars_of_terms [Thm.prop_of thm]) args @
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parents: 15596
diff changeset
   386
      zip_vars (Drule.vars_of_terms [Thm.concl_of thm]) concl_args;
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parents: 15596
diff changeset
   387
  in
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parents: 15596
diff changeset
   388
    read_instantiate init insts (context, thm)
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parents: 15596
diff changeset
   389
  end;
5912
3f95adea10c0 exception ATTRIB_FAIL;
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parents: 5894
diff changeset
   390
15703
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   391
val value =
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parents: 15596
diff changeset
   392
  Args.internal_term >> Args.Term ||
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parents: 15596
diff changeset
   393
  Args.name >> Args.Name;
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parents: 15596
diff changeset
   394
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parents: 15596
diff changeset
   395
val inst = Args.ahead -- Args.maybe value;
10807
ae001d5119fc export read_inst', inst';
wenzelm
parents: 10528
diff changeset
   396
val concl = Args.$$$ "concl" -- Args.colon;
5912
3f95adea10c0 exception ATTRIB_FAIL;
wenzelm
parents: 5894
diff changeset
   397
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parents: 15596
diff changeset
   398
val insts =
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parents: 15596
diff changeset
   399
  Scan.repeat (Scan.unless concl inst) --
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parents: 15596
diff changeset
   400
  Scan.optional (concl |-- Scan.repeat inst) [];
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parents: 15596
diff changeset
   401
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parents: 15596
diff changeset
   402
fun gen_of init = syntax (Scan.lift insts >> read_instantiate' init);
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parents: 15596
diff changeset
   403
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parents: 15596
diff changeset
   404
in
5912
3f95adea10c0 exception ATTRIB_FAIL;
wenzelm
parents: 5894
diff changeset
   405
9902
1ea354905d88 improved att names / msgs;
wenzelm
parents: 9630
diff changeset
   406
val of_global = gen_of ProofContext.init;
1ea354905d88 improved att names / msgs;
wenzelm
parents: 9630
diff changeset
   407
val of_local = gen_of I;
5912
3f95adea10c0 exception ATTRIB_FAIL;
wenzelm
parents: 5894
diff changeset
   408
15703
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parents: 15596
diff changeset
   409
end;
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parents: 15596
diff changeset
   410
5912
3f95adea10c0 exception ATTRIB_FAIL;
wenzelm
parents: 5894
diff changeset
   411
13782
44de406a7273 Added rename_abs attribute for renaming bound variables.
berghofe
parents: 13414
diff changeset
   412
(* rename_abs *)
44de406a7273 Added rename_abs attribute for renaming bound variables.
berghofe
parents: 13414
diff changeset
   413
44de406a7273 Added rename_abs attribute for renaming bound variables.
berghofe
parents: 13414
diff changeset
   414
fun rename_abs src = syntax
15703
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parents: 15596
diff changeset
   415
  (Scan.lift (Scan.repeat (Args.maybe Args.name) >> (apsnd o Drule.rename_bvars'))) src;
13782
44de406a7273 Added rename_abs attribute for renaming bound variables.
berghofe
parents: 13414
diff changeset
   416
44de406a7273 Added rename_abs attribute for renaming bound variables.
berghofe
parents: 13414
diff changeset
   417
7598
af320257c902 unfold / fold defs;
wenzelm
parents: 7367
diff changeset
   418
(* unfold / fold definitions *)
af320257c902 unfold / fold defs;
wenzelm
parents: 7367
diff changeset
   419
af320257c902 unfold / fold defs;
wenzelm
parents: 7367
diff changeset
   420
fun gen_rewrite rew defs (x, thm) = (x, rew defs thm);
af320257c902 unfold / fold defs;
wenzelm
parents: 7367
diff changeset
   421
9902
1ea354905d88 improved att names / msgs;
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parents: 9630
diff changeset
   422
val unfolded_global = syntax (global_thmss >> gen_rewrite Tactic.rewrite_rule);
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wenzelm
parents: 9630
diff changeset
   423
val unfolded_local = syntax (local_thmss >> gen_rewrite Tactic.rewrite_rule);
1ea354905d88 improved att names / msgs;
wenzelm
parents: 9630
diff changeset
   424
val folded_global = syntax (global_thmss >> gen_rewrite Tactic.fold_rule);
1ea354905d88 improved att names / msgs;
wenzelm
parents: 9630
diff changeset
   425
val folded_local = syntax (local_thmss >> gen_rewrite Tactic.fold_rule);
7598
af320257c902 unfold / fold defs;
wenzelm
parents: 7367
diff changeset
   426
af320257c902 unfold / fold defs;
wenzelm
parents: 7367
diff changeset
   427
8368
bdc3ee0d8cb6 added 'case_names' and 'params';
wenzelm
parents: 8282
diff changeset
   428
(* rule cases *)
bdc3ee0d8cb6 added 'case_names' and 'params';
wenzelm
parents: 8282
diff changeset
   429
10528
a0483268262d added "consumes" attribute;
wenzelm
parents: 10151
diff changeset
   430
fun consumes x = syntax (Scan.lift (Scan.optional Args.nat 1) >> RuleCases.consumes) x;
8368
bdc3ee0d8cb6 added 'case_names' and 'params';
wenzelm
parents: 8282
diff changeset
   431
fun case_names x = syntax (Scan.lift (Scan.repeat1 Args.name) >> RuleCases.case_names) x;
bdc3ee0d8cb6 added 'case_names' and 'params';
wenzelm
parents: 8282
diff changeset
   432
fun params x = syntax (Args.and_list1 (Scan.lift (Scan.repeat Args.name)) >> RuleCases.params) x;
bdc3ee0d8cb6 added 'case_names' and 'params';
wenzelm
parents: 8282
diff changeset
   433
bdc3ee0d8cb6 added 'case_names' and 'params';
wenzelm
parents: 8282
diff changeset
   434
11770
b6bb7a853dd2 moved rulify to ObjectLogic;
wenzelm
parents: 11763
diff changeset
   435
(* rule_format *)
b6bb7a853dd2 moved rulify to ObjectLogic;
wenzelm
parents: 11763
diff changeset
   436
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diff changeset
   437
fun rule_format_att x = syntax (Args.mode "no_asm"
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parents: 15596
diff changeset
   438
  >> (fn true => ObjectLogic.rule_format_no_asm | false => ObjectLogic.rule_format)) x;
11770
b6bb7a853dd2 moved rulify to ObjectLogic;
wenzelm
parents: 11763
diff changeset
   439
b6bb7a853dd2 moved rulify to ObjectLogic;
wenzelm
parents: 11763
diff changeset
   440
5879
18b8f048d93a several args parsers;
wenzelm
parents: 5823
diff changeset
   441
(* misc rules *)
18b8f048d93a several args parsers;
wenzelm
parents: 5823
diff changeset
   442
6091
e3cdbd929a24 eliminated tthm type and Attribute structure;
wenzelm
parents: 5912
diff changeset
   443
fun standard x = no_args (Drule.rule_attribute (K Drule.standard)) x;
9941
fe05af7ec816 renamed atts: rulify to rule_format, elimify to elim_format;
wenzelm
parents: 9902
diff changeset
   444
fun elim_format x = no_args (Drule.rule_attribute (K Tactic.make_elim)) x;
9216
0842edfc8245 removed help_attributes;
wenzelm
parents: 9008
diff changeset
   445
fun no_vars x = no_args (Drule.rule_attribute (K (#1 o Drule.freeze_thaw))) x;
5879
18b8f048d93a several args parsers;
wenzelm
parents: 5823
diff changeset
   446
18b8f048d93a several args parsers;
wenzelm
parents: 5823
diff changeset
   447
13370
3ec0d8c8beba context rules;
wenzelm
parents: 12804
diff changeset
   448
(* rule declarations *)
3ec0d8c8beba context rules;
wenzelm
parents: 12804
diff changeset
   449
3ec0d8c8beba context rules;
wenzelm
parents: 12804
diff changeset
   450
local
3ec0d8c8beba context rules;
wenzelm
parents: 12804
diff changeset
   451
3ec0d8c8beba context rules;
wenzelm
parents: 12804
diff changeset
   452
fun add_args a b c x = syntax
3ec0d8c8beba context rules;
wenzelm
parents: 12804
diff changeset
   453
  (Scan.lift ((Args.bang >> K a || Args.query >> K c || Scan.succeed b) -- (Scan.option Args.nat))
3ec0d8c8beba context rules;
wenzelm
parents: 12804
diff changeset
   454
    >> (fn (f, n) => f n)) x;
3ec0d8c8beba context rules;
wenzelm
parents: 12804
diff changeset
   455
3ec0d8c8beba context rules;
wenzelm
parents: 12804
diff changeset
   456
fun del_args att = syntax (Scan.lift Args.del >> K att);
3ec0d8c8beba context rules;
wenzelm
parents: 12804
diff changeset
   457
3ec0d8c8beba context rules;
wenzelm
parents: 12804
diff changeset
   458
open ContextRules;
3ec0d8c8beba context rules;
wenzelm
parents: 12804
diff changeset
   459
3ec0d8c8beba context rules;
wenzelm
parents: 12804
diff changeset
   460
in
3ec0d8c8beba context rules;
wenzelm
parents: 12804
diff changeset
   461
3ec0d8c8beba context rules;
wenzelm
parents: 12804
diff changeset
   462
val rule_atts =
3ec0d8c8beba context rules;
wenzelm
parents: 12804
diff changeset
   463
 [("intro",
3ec0d8c8beba context rules;
wenzelm
parents: 12804
diff changeset
   464
   (add_args intro_bang_global intro_global intro_query_global,
3ec0d8c8beba context rules;
wenzelm
parents: 12804
diff changeset
   465
    add_args intro_bang_local intro_local intro_query_local),
3ec0d8c8beba context rules;
wenzelm
parents: 12804
diff changeset
   466
    "declaration of introduction rule"),
3ec0d8c8beba context rules;
wenzelm
parents: 12804
diff changeset
   467
  ("elim",
3ec0d8c8beba context rules;
wenzelm
parents: 12804
diff changeset
   468
   (add_args elim_bang_global elim_global elim_query_global,
3ec0d8c8beba context rules;
wenzelm
parents: 12804
diff changeset
   469
    add_args elim_bang_local elim_local elim_query_local),
3ec0d8c8beba context rules;
wenzelm
parents: 12804
diff changeset
   470
    "declaration of elimination rule"),
3ec0d8c8beba context rules;
wenzelm
parents: 12804
diff changeset
   471
  ("dest",
3ec0d8c8beba context rules;
wenzelm
parents: 12804
diff changeset
   472
   (add_args dest_bang_global dest_global dest_query_global,
3ec0d8c8beba context rules;
wenzelm
parents: 12804
diff changeset
   473
    add_args dest_bang_local dest_local dest_query_local),
3ec0d8c8beba context rules;
wenzelm
parents: 12804
diff changeset
   474
    "declaration of destruction rule"),
3ec0d8c8beba context rules;
wenzelm
parents: 12804
diff changeset
   475
  ("rule", (del_args rule_del_global, del_args rule_del_local),
3ec0d8c8beba context rules;
wenzelm
parents: 12804
diff changeset
   476
    "remove declaration of intro/elim/dest rule")];
3ec0d8c8beba context rules;
wenzelm
parents: 12804
diff changeset
   477
3ec0d8c8beba context rules;
wenzelm
parents: 12804
diff changeset
   478
end;
3ec0d8c8beba context rules;
wenzelm
parents: 12804
diff changeset
   479
3ec0d8c8beba context rules;
wenzelm
parents: 12804
diff changeset
   480
15703
727ef1b8b3ee *** empty log message ***
wenzelm
parents: 15596
diff changeset
   481
(* internal attribute *)
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wenzelm
parents: 15596
diff changeset
   482
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wenzelm
parents: 15596
diff changeset
   483
val attributeN = "attribute";
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wenzelm
parents: 15596
diff changeset
   484
fun attribute att = Args.src ((attributeN, [Args.mk_attribute att]), Position.none);
727ef1b8b3ee *** empty log message ***
wenzelm
parents: 15596
diff changeset
   485
727ef1b8b3ee *** empty log message ***
wenzelm
parents: 15596
diff changeset
   486
fun attribute_global x = (syntax (Scan.lift Args.internal_attribute >> #1)) x;
727ef1b8b3ee *** empty log message ***
wenzelm
parents: 15596
diff changeset
   487
fun attribute_local x = (syntax (Scan.lift Args.internal_attribute >> #2)) x;
727ef1b8b3ee *** empty log message ***
wenzelm
parents: 15596
diff changeset
   488
727ef1b8b3ee *** empty log message ***
wenzelm
parents: 15596
diff changeset
   489
val setup_internal_attribute =
727ef1b8b3ee *** empty log message ***
wenzelm
parents: 15596
diff changeset
   490
 [PureThy.global_path,
727ef1b8b3ee *** empty log message ***
wenzelm
parents: 15596
diff changeset
   491
  add_attributes [(attributeN, (attribute_global, attribute_local), "internal attribute")],
727ef1b8b3ee *** empty log message ***
wenzelm
parents: 15596
diff changeset
   492
  PureThy.local_path];
727ef1b8b3ee *** empty log message ***
wenzelm
parents: 15596
diff changeset
   493
727ef1b8b3ee *** empty log message ***
wenzelm
parents: 15596
diff changeset
   494
11770
b6bb7a853dd2 moved rulify to ObjectLogic;
wenzelm
parents: 11763
diff changeset
   495
5879
18b8f048d93a several args parsers;
wenzelm
parents: 5823
diff changeset
   496
(** theory setup **)
5823
ee7c198a2154 Symbolic theorem attributes.
wenzelm
parents:
diff changeset
   497
ee7c198a2154 Symbolic theorem attributes.
wenzelm
parents:
diff changeset
   498
(* pure_attributes *)
ee7c198a2154 Symbolic theorem attributes.
wenzelm
parents:
diff changeset
   499
ee7c198a2154 Symbolic theorem attributes.
wenzelm
parents:
diff changeset
   500
val pure_attributes =
9902
1ea354905d88 improved att names / msgs;
wenzelm
parents: 9630
diff changeset
   501
 [("tagged", (gen_tagged, gen_tagged), "tagged theorem"),
1ea354905d88 improved att names / msgs;
wenzelm
parents: 9630
diff changeset
   502
  ("untagged", (gen_untagged, gen_untagged), "untagged theorem"),
1ea354905d88 improved att names / msgs;
wenzelm
parents: 9630
diff changeset
   503
  ("COMP", (COMP_global, COMP_local), "direct composition with rules (no lifting)"),
15117
b860e444c1db RS -> THEN
paulson
parents: 14981
diff changeset
   504
  ("THEN", (THEN_global, THEN_local), "resolution with rule"),
9902
1ea354905d88 improved att names / msgs;
wenzelm
parents: 9630
diff changeset
   505
  ("OF", (OF_global, OF_local), "rule applied to facts"),
1ea354905d88 improved att names / msgs;
wenzelm
parents: 9630
diff changeset
   506
  ("where", (where_global, where_local), "named instantiation of theorem"),
1ea354905d88 improved att names / msgs;
wenzelm
parents: 9630
diff changeset
   507
  ("of", (of_global, of_local), "rule applied to terms"),
13782
44de406a7273 Added rename_abs attribute for renaming bound variables.
berghofe
parents: 13414
diff changeset
   508
  ("rename_abs", (rename_abs, rename_abs), "rename bound variables in abstractions"),
9902
1ea354905d88 improved att names / msgs;
wenzelm
parents: 9630
diff changeset
   509
  ("unfolded", (unfolded_global, unfolded_local), "unfolded definitions"),
1ea354905d88 improved att names / msgs;
wenzelm
parents: 9630
diff changeset
   510
  ("folded", (folded_global, folded_local), "folded definitions"),
1ea354905d88 improved att names / msgs;
wenzelm
parents: 9630
diff changeset
   511
  ("standard", (standard, standard), "result put into standard form"),
9941
fe05af7ec816 renamed atts: rulify to rule_format, elimify to elim_format;
wenzelm
parents: 9902
diff changeset
   512
  ("elim_format", (elim_format, elim_format), "destruct rule turned into elimination rule format"),
9902
1ea354905d88 improved att names / msgs;
wenzelm
parents: 9630
diff changeset
   513
  ("no_vars", (no_vars, no_vars), "frozen schematic vars"),
10528
a0483268262d added "consumes" attribute;
wenzelm
parents: 10151
diff changeset
   514
  ("consumes", (consumes, consumes), "number of consumed facts"),
9902
1ea354905d88 improved att names / msgs;
wenzelm
parents: 9630
diff changeset
   515
  ("case_names", (case_names, case_names), "named rule cases"),
1ea354905d88 improved att names / msgs;
wenzelm
parents: 9630
diff changeset
   516
  ("params", (params, params), "named rule parameters"),
11770
b6bb7a853dd2 moved rulify to ObjectLogic;
wenzelm
parents: 11763
diff changeset
   517
  ("atomize", (no_args ObjectLogic.declare_atomize, no_args undef_local_attribute),
b6bb7a853dd2 moved rulify to ObjectLogic;
wenzelm
parents: 11763
diff changeset
   518
    "declaration of atomize rule"),
b6bb7a853dd2 moved rulify to ObjectLogic;
wenzelm
parents: 11763
diff changeset
   519
  ("rulify", (no_args ObjectLogic.declare_rulify, no_args undef_local_attribute),
b6bb7a853dd2 moved rulify to ObjectLogic;
wenzelm
parents: 11763
diff changeset
   520
    "declaration of rulify rule"),
13370
3ec0d8c8beba context rules;
wenzelm
parents: 12804
diff changeset
   521
  ("rule_format", (rule_format_att, rule_format_att), "result put into standard rule format")] @
3ec0d8c8beba context rules;
wenzelm
parents: 12804
diff changeset
   522
  rule_atts;
5823
ee7c198a2154 Symbolic theorem attributes.
wenzelm
parents:
diff changeset
   523
ee7c198a2154 Symbolic theorem attributes.
wenzelm
parents:
diff changeset
   524
5879
18b8f048d93a several args parsers;
wenzelm
parents: 5823
diff changeset
   525
(* setup *)
5823
ee7c198a2154 Symbolic theorem attributes.
wenzelm
parents:
diff changeset
   526
15703
727ef1b8b3ee *** empty log message ***
wenzelm
parents: 15596
diff changeset
   527
val setup =
727ef1b8b3ee *** empty log message ***
wenzelm
parents: 15596
diff changeset
   528
 AttributesData.init :: setup_internal_attribute @ [add_attributes pure_attributes];
5823
ee7c198a2154 Symbolic theorem attributes.
wenzelm
parents:
diff changeset
   529
ee7c198a2154 Symbolic theorem attributes.
wenzelm
parents:
diff changeset
   530
end;
ee7c198a2154 Symbolic theorem attributes.
wenzelm
parents:
diff changeset
   531
ee7c198a2154 Symbolic theorem attributes.
wenzelm
parents:
diff changeset
   532
structure BasicAttrib: BASIC_ATTRIB = Attrib;
ee7c198a2154 Symbolic theorem attributes.
wenzelm
parents:
diff changeset
   533
open BasicAttrib;