author | wenzelm |
Fri, 13 Mar 2009 21:25:15 +0100 | |
changeset 30513 | 1796b8ea88aa |
parent 30466 | 5f31e24937c5 |
child 30525 | 8a5a0aa30e1c |
permissions | -rw-r--r-- |
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(* Title: Pure/Isar/attrib.ML |
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Author: Markus Wenzel, TU Muenchen |
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Symbolic representation of attributes -- with name and syntax. |
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*) |
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signature ATTRIB = |
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sig |
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type src = Args.src |
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type binding = binding * src list |
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val empty_binding: binding |
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val print_attributes: theory -> unit |
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val intern: theory -> xstring -> string |
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val intern_src: theory -> src -> src |
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val pretty_attribs: Proof.context -> src list -> Pretty.T list |
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val defined: theory -> string -> bool |
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val attribute: theory -> src -> attribute |
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val attribute_i: theory -> src -> attribute |
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val eval_thms: Proof.context -> (Facts.ref * src list) list -> thm list |
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val map_specs: ('a -> 'att) -> |
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(('c * 'a list) * 'd) list -> (('c * 'att list) * 'd) list |
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val map_facts: ('a -> 'att) -> |
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(('c * 'a list) * ('d * 'a list) list) list -> |
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(('c * 'att list) * ('d * 'att list) list) list |
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val crude_closure: Proof.context -> src -> src |
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val add_attributes: (bstring * (src -> attribute) * string) list -> theory -> theory |
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val syntax: attribute context_parser -> src -> attribute |
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val no_args: attribute -> src -> attribute |
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val add_del_args: attribute -> attribute -> src -> attribute |
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val thm_sel: Facts.interval list parser |
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val thm: thm context_parser |
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val thms: thm list context_parser |
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val multi_thm: thm list context_parser |
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val print_configs: Proof.context -> unit |
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val internal: (morphism -> attribute) -> src |
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val register_config: Config.value Config.T -> theory -> theory |
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val config_bool: bstring -> bool -> bool Config.T * (theory -> theory) |
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val config_int: bstring -> int -> int Config.T * (theory -> theory) |
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val config_string: bstring -> string -> string Config.T * (theory -> theory) |
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val config_bool_global: bstring -> bool -> bool Config.T * (theory -> theory) |
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val config_int_global: bstring -> int -> int Config.T * (theory -> theory) |
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val config_string_global: bstring -> string -> string Config.T * (theory -> theory) |
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end; |
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structure Attrib: ATTRIB = |
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struct |
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structure T = OuterLex; |
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structure P = OuterParse; |
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type Attrib.binding abbreviates Name.binding without attributes;
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type Attrib.binding abbreviates Name.binding without attributes;
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(* source and bindings *) |
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type Attrib.binding abbreviates Name.binding without attributes;
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type src = Args.src; |
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type binding = binding * src list; |
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val empty_binding: binding = (Binding.empty, []); |
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type Attrib.binding abbreviates Name.binding without attributes;
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type Attrib.binding abbreviates Name.binding without attributes;
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(** named attributes **) |
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(* theory data *) |
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structure Attributes = TheoryDataFun |
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( |
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type T = (((src -> attribute) * string) * stamp) NameSpace.table; |
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val empty = NameSpace.empty_table; |
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val copy = I; |
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val extend = I; |
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fun merge _ tables : T = NameSpace.merge_tables (eq_snd (op =)) tables handle Symtab.DUP dup => |
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error ("Attempt to merge different versions of attribute " ^ quote dup); |
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); |
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fun print_attributes thy = |
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let |
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val attribs = Attributes.get thy; |
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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.extern_table attribs))] |
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|> Pretty.chunks |> Pretty.writeln |
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end; |
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(* name space *) |
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val intern = NameSpace.intern o #1 o Attributes.get; |
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val intern_src = Args.map_name o intern; |
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val extern = NameSpace.extern o #1 o Attributes.get o ProofContext.theory_of; |
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(* pretty printing *) |
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fun pretty_attribs _ [] = [] |
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| pretty_attribs ctxt srcs = |
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[Pretty.enclose "[" "]" |
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(Pretty.commas (map (Args.pretty_src ctxt o Args.map_name (extern ctxt)) srcs))]; |
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(* get attributes *) |
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val defined = Symtab.defined o #2 o Attributes.get; |
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fun attribute_i thy = |
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let |
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val attrs = #2 (Attributes.get thy); |
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fun attr src = |
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let val ((name, _), pos) = Args.dest_src src 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 ((att, _), _) => (Position.report (Markup.attribute name) pos; att src)) |
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end; |
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in attr end; |
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fun attribute thy = attribute_i thy o intern_src thy; |
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fun eval_thms ctxt args = ProofContext.note_thmss Thm.theoremK |
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[(Thm.empty_binding, map (apsnd (map (attribute (ProofContext.theory_of ctxt)))) args)] ctxt |
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|> fst |> maps snd; |
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(* attributed declarations *) |
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fun map_specs f = map (apfst (apsnd (map f))); |
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fun map_facts f = map (apfst (apsnd (map f)) o apsnd (map (apsnd (map f)))); |
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(* crude_closure *) |
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(*Produce closure without knowing facts in advance! The following |
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works reasonably well for attribute parsers that do not peek at the |
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thm structure.*) |
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fun crude_closure ctxt src = |
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(try (fn () => attribute_i (ProofContext.theory_of ctxt) src |
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(Context.Proof 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 new_attrs = |
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raw_attrs |> map (fn (name, att, comment) => (Binding.name name, ((att, comment), stamp ()))); |
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fun add attrs = fold (snd oo NameSpace.define (Sign.naming_of thy)) new_attrs attrs |
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handle Symtab.DUP dup => error ("Duplicate declaration of attributes " ^ quote dup); |
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in Attributes.map add thy end; |
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(* attribute syntax *) |
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fun syntax scan src (st, th) = |
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let val (f: attribute, st') = 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 = syntax |
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(Scan.lift (Args.add >> K add || Args.del >> K del || Scan.succeed add)); |
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(** parsing attributed theorems **) |
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val thm_sel = P.$$$ "(" |-- P.list1 |
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(P.nat --| P.minus -- P.nat >> Facts.FromTo || |
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P.nat --| P.minus >> Facts.From || |
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P.nat >> Facts.Single) --| P.$$$ ")"; |
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local |
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val fact_name = Args.internal_fact >> K "<fact>" || Args.name; |
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fun gen_thm pick = Scan.depend (fn context => |
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let |
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val thy = Context.theory_of context; |
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val get = Context.cases (PureThy.get_fact context) ProofContext.get_fact context; |
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val get_fact = get o Facts.Fact; |
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fun get_named pos name = get (Facts.Named ((name, pos), NONE)); |
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in |
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P.$$$ "[" |-- Args.attribs (intern thy) --| P.$$$ "]" >> (fn srcs => |
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let |
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val atts = map (attribute_i thy) srcs; |
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val (context', th') = Library.apply atts (context, Drule.dummy_thm); |
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in (context', pick "" [th']) end) |
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|| |
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(Scan.ahead Args.alt_name -- Args.named_fact get_fact |
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>> (fn (s, fact) => ("", Facts.Fact s, fact)) || |
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Scan.ahead (P.position fact_name) :|-- (fn (name, pos) => |
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Args.named_fact (get_named pos) -- Scan.option thm_sel |
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>> (fn (fact, sel) => (name, Facts.Named ((name, pos), sel), fact)))) |
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-- Args.opt_attribs (intern thy) >> (fn ((name, thmref, fact), srcs) => |
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let |
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val ths = Facts.select thmref fact; |
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val atts = map (attribute_i thy) srcs; |
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val (context', ths') = Library.foldl_map (Library.apply atts) (context, ths); |
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in (context', pick name ths') end) |
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end); |
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in |
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val thm = gen_thm Facts.the_single; |
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val multi_thm = gen_thm (K I); |
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val thms = Scan.repeat multi_thm >> flat; |
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end; |
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(** basic attributes **) |
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(* internal *) |
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fun internal att = Args.src (("Pure.attribute", [T.mk_attribute att]), Position.none); |
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val internal_att = |
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syntax (Scan.lift Args.internal_attribute >> Morphism.form); |
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(* tags *) |
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val tagged = syntax (Scan.lift (Args.name -- Args.name) >> Thm.tag); |
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val untagged = syntax (Scan.lift Args.name >> Thm.untag); |
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val kind = syntax (Scan.lift Args.name >> Thm.kind); |
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(* rule composition *) |
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val COMP_att = |
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syntax (Scan.lift (Scan.optional (Args.bracks P.nat) 1) -- thm |
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>> (fn (i, B) => Thm.rule_attribute (fn _ => fn A => Drule.compose_single (A, i, B)))); |
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val THEN_att = |
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syntax (Scan.lift (Scan.optional (Args.bracks P.nat) 1) -- thm |
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>> (fn (i, B) => Thm.rule_attribute (fn _ => fn A => A RSN (i, B)))); |
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val OF_att = |
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syntax (thms >> (fn Bs => Thm.rule_attribute (fn _ => fn A => Bs MRS A))); |
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(* rename_abs *) |
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val rename_abs = syntax |
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(Scan.lift (Scan.repeat (Args.maybe Args.name) >> (apsnd o Drule.rename_bvars'))); |
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(* unfold / fold definitions *) |
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fun unfolded_syntax rule = |
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syntax (thms >> |
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(fn ths => Thm.rule_attribute (fn context => rule (Context.proof_of context) ths))); |
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val unfolded = unfolded_syntax LocalDefs.unfold; |
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val folded = unfolded_syntax LocalDefs.fold; |
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(* rule cases *) |
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val consumes = syntax (Scan.lift (Scan.optional P.nat 1) >> RuleCases.consumes); |
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val case_names = syntax (Scan.lift (Scan.repeat1 Args.name) >> RuleCases.case_names); |
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val case_conclusion = |
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syntax (Scan.lift (Args.name -- Scan.repeat Args.name) >> RuleCases.case_conclusion); |
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val params = syntax (Scan.lift (P.and_list1 (Scan.repeat Args.name)) >> RuleCases.params); |
25983 | 268 |
|
269 |
||
270 |
(* rule format *) |
|
271 |
||
272 |
val rule_format = syntax (Args.mode "no_asm" |
|
273 |
>> (fn true => ObjectLogic.rule_format_no_asm | false => ObjectLogic.rule_format)); |
|
274 |
||
275 |
val elim_format = no_args (Thm.rule_attribute (K Tactic.make_elim)); |
|
276 |
||
277 |
||
278 |
(* misc rules *) |
|
279 |
||
280 |
val standard = no_args (Thm.rule_attribute (K Drule.standard)); |
|
281 |
||
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282 |
val no_vars = no_args (Thm.rule_attribute (fn context => fn th => |
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283 |
let |
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284 |
val ctxt = Variable.set_body false (Context.proof_of context); |
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val ((_, [th']), _) = Variable.import_thms true [th] ctxt; |
25983 | 286 |
in th' end)); |
287 |
||
288 |
val eta_long = |
|
289 |
no_args (Thm.rule_attribute (K (Conv.fconv_rule Drule.eta_long_conversion))); |
|
290 |
||
291 |
val rotated = syntax |
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(Scan.lift (Scan.optional P.int 1) >> (fn n => Thm.rule_attribute (K (rotate_prems n)))); |
5879 | 293 |
|
29690 | 294 |
val abs_def = no_args (Thm.rule_attribute (K Drule.abs_def)); |
295 |
||
25983 | 296 |
|
297 |
(* theory setup *) |
|
5823 | 298 |
|
26463 | 299 |
val _ = Context.>> (Context.map_theory |
25983 | 300 |
(add_attributes |
301 |
[("attribute", internal_att, "internal attribute"), |
|
302 |
("tagged", tagged, "tagged theorem"), |
|
303 |
("untagged", untagged, "untagged theorem"), |
|
304 |
("kind", kind, "theorem kind"), |
|
305 |
("COMP", COMP_att, "direct composition with rules (no lifting)"), |
|
306 |
("THEN", THEN_att, "resolution with rule"), |
|
307 |
("OF", OF_att, "rule applied to facts"), |
|
308 |
("rename_abs", rename_abs, "rename bound variables in abstractions"), |
|
309 |
("unfolded", unfolded, "unfolded definitions"), |
|
310 |
("folded", folded, "folded definitions"), |
|
311 |
("standard", standard, "result put into standard form"), |
|
312 |
("elim_format", elim_format, "destruct rule turned into elimination rule format"), |
|
313 |
("no_vars", no_vars, "frozen schematic vars"), |
|
314 |
("eta_long", eta_long, "put theorem into eta long beta normal form"), |
|
315 |
("consumes", consumes, "number of consumed facts"), |
|
316 |
("case_names", case_names, "named rule cases"), |
|
317 |
("case_conclusion", case_conclusion, "named conclusion of rule cases"), |
|
318 |
("params", params, "named rule parameters"), |
|
319 |
("atomize", no_args ObjectLogic.declare_atomize, "declaration of atomize rule"), |
|
320 |
("rulify", no_args ObjectLogic.declare_rulify, "declaration of rulify rule"), |
|
321 |
("rule_format", rule_format, "result put into standard rule format"), |
|
322 |
("rotated", rotated, "rotated theorem premises"), |
|
323 |
("defn", add_del_args LocalDefs.defn_add LocalDefs.defn_del, |
|
29690 | 324 |
"declaration of definitional transformations"), |
325 |
("abs_def", abs_def, "abstract over free variables of a definition")])); |
|
8633 | 326 |
|
5823 | 327 |
|
328 |
||
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|
329 |
(** configuration options **) |
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|
330 |
|
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|
331 |
(* naming *) |
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|
332 |
|
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|
333 |
structure Configs = TheoryDataFun |
24713 | 334 |
( |
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|
335 |
type T = Config.value Config.T Symtab.table; |
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|
336 |
val empty = Symtab.empty; |
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|
337 |
val copy = I; |
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|
338 |
val extend = I; |
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|
339 |
fun merge _ = Symtab.merge (K true); |
24713 | 340 |
); |
5823 | 341 |
|
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|
342 |
fun print_configs ctxt = |
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|
343 |
let |
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|
344 |
val thy = ProofContext.theory_of ctxt; |
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|
345 |
fun prt (name, config) = |
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|
346 |
let val value = Config.get ctxt config in |
4ab3084e311c
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changeset
|
347 |
Pretty.block [Pretty.str (name ^ ": " ^ Config.print_type value ^ " ="), Pretty.brk 1, |
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|
348 |
Pretty.str (Config.print_value value)] |
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|
349 |
end; |
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parents:
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diff
changeset
|
350 |
val configs = NameSpace.extern_table (#1 (Attributes.get thy), Configs.get thy); |
4ab3084e311c
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diff
changeset
|
351 |
in Pretty.writeln (Pretty.big_list "configuration options" (map prt configs)) end; |
4ab3084e311c
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diff
changeset
|
352 |
|
4ab3084e311c
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wenzelm
parents:
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diff
changeset
|
353 |
|
4ab3084e311c
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parents:
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diff
changeset
|
354 |
(* concrete syntax *) |
23988
aa46577f4f44
added attribute "option" for setting configuration options;
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parents:
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diff
changeset
|
355 |
|
24003
da76d7e6435c
attribute "option": more elaborate syntax (with value parsing);
wenzelm
parents:
23988
diff
changeset
|
356 |
local |
da76d7e6435c
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changeset
|
357 |
|
27820 | 358 |
val equals = P.$$$ "="; |
24003
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wenzelm
parents:
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diff
changeset
|
359 |
|
24110
4ab3084e311c
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parents:
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diff
changeset
|
360 |
fun scan_value (Config.Bool _) = |
4ab3084e311c
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parents:
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diff
changeset
|
361 |
equals -- Args.$$$ "false" >> K (Config.Bool false) || |
4ab3084e311c
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parents:
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diff
changeset
|
362 |
equals -- Args.$$$ "true" >> K (Config.Bool true) || |
4ab3084e311c
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wenzelm
parents:
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diff
changeset
|
363 |
Scan.succeed (Config.Bool true) |
27812
af8edf3ab68c
unified Args.T with OuterLex.token, renamed some operations;
wenzelm
parents:
27751
diff
changeset
|
364 |
| scan_value (Config.Int _) = equals |-- P.int >> Config.Int |
24110
4ab3084e311c
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wenzelm
parents:
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diff
changeset
|
365 |
| scan_value (Config.String _) = equals |-- Args.name >> Config.String; |
24003
da76d7e6435c
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wenzelm
parents:
23988
diff
changeset
|
366 |
|
24110
4ab3084e311c
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wenzelm
parents:
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diff
changeset
|
367 |
fun scan_config thy config = |
4ab3084e311c
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parents:
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diff
changeset
|
368 |
let val config_type = Config.get_thy thy config |
4ab3084e311c
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parents:
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diff
changeset
|
369 |
in scan_value config_type >> (K o Thm.declaration_attribute o K o Config.put_generic config) end; |
24003
da76d7e6435c
attribute "option": more elaborate syntax (with value parsing);
wenzelm
parents:
23988
diff
changeset
|
370 |
|
da76d7e6435c
attribute "option": more elaborate syntax (with value parsing);
wenzelm
parents:
23988
diff
changeset
|
371 |
in |
da76d7e6435c
attribute "option": more elaborate syntax (with value parsing);
wenzelm
parents:
23988
diff
changeset
|
372 |
|
24126
913e1fa904fb
turned simp_depth_limit into configuration option;
wenzelm
parents:
24110
diff
changeset
|
373 |
fun register_config config thy = |
913e1fa904fb
turned simp_depth_limit into configuration option;
wenzelm
parents:
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diff
changeset
|
374 |
let |
913e1fa904fb
turned simp_depth_limit into configuration option;
wenzelm
parents:
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diff
changeset
|
375 |
val bname = Config.name_of config; |
28965 | 376 |
val name = Sign.full_bname thy bname; |
24126
913e1fa904fb
turned simp_depth_limit into configuration option;
wenzelm
parents:
24110
diff
changeset
|
377 |
in |
913e1fa904fb
turned simp_depth_limit into configuration option;
wenzelm
parents:
24110
diff
changeset
|
378 |
thy |
913e1fa904fb
turned simp_depth_limit into configuration option;
wenzelm
parents:
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diff
changeset
|
379 |
|> add_attributes [(bname, syntax (Scan.lift (scan_config thy config) >> Morphism.form), |
913e1fa904fb
turned simp_depth_limit into configuration option;
wenzelm
parents:
24110
diff
changeset
|
380 |
"configuration option")] |
913e1fa904fb
turned simp_depth_limit into configuration option;
wenzelm
parents:
24110
diff
changeset
|
381 |
|> Configs.map (Symtab.update (name, config)) |
913e1fa904fb
turned simp_depth_limit into configuration option;
wenzelm
parents:
24110
diff
changeset
|
382 |
end; |
24110
4ab3084e311c
tuned config options: eliminated separate attribute "option";
wenzelm
parents:
24030
diff
changeset
|
383 |
|
4ab3084e311c
tuned config options: eliminated separate attribute "option";
wenzelm
parents:
24030
diff
changeset
|
384 |
fun declare_config make coerce global name default = |
4ab3084e311c
tuned config options: eliminated separate attribute "option";
wenzelm
parents:
24030
diff
changeset
|
385 |
let |
4ab3084e311c
tuned config options: eliminated separate attribute "option";
wenzelm
parents:
24030
diff
changeset
|
386 |
val config_value = Config.declare global name (make default); |
4ab3084e311c
tuned config options: eliminated separate attribute "option";
wenzelm
parents:
24030
diff
changeset
|
387 |
val config = coerce config_value; |
24126
913e1fa904fb
turned simp_depth_limit into configuration option;
wenzelm
parents:
24110
diff
changeset
|
388 |
in (config, register_config config_value) end; |
24110
4ab3084e311c
tuned config options: eliminated separate attribute "option";
wenzelm
parents:
24030
diff
changeset
|
389 |
|
4ab3084e311c
tuned config options: eliminated separate attribute "option";
wenzelm
parents:
24030
diff
changeset
|
390 |
val config_bool = declare_config Config.Bool Config.bool false; |
4ab3084e311c
tuned config options: eliminated separate attribute "option";
wenzelm
parents:
24030
diff
changeset
|
391 |
val config_int = declare_config Config.Int Config.int false; |
4ab3084e311c
tuned config options: eliminated separate attribute "option";
wenzelm
parents:
24030
diff
changeset
|
392 |
val config_string = declare_config Config.String Config.string false; |
4ab3084e311c
tuned config options: eliminated separate attribute "option";
wenzelm
parents:
24030
diff
changeset
|
393 |
|
4ab3084e311c
tuned config options: eliminated separate attribute "option";
wenzelm
parents:
24030
diff
changeset
|
394 |
val config_bool_global = declare_config Config.Bool Config.bool true; |
4ab3084e311c
tuned config options: eliminated separate attribute "option";
wenzelm
parents:
24030
diff
changeset
|
395 |
val config_int_global = declare_config Config.Int Config.int true; |
4ab3084e311c
tuned config options: eliminated separate attribute "option";
wenzelm
parents:
24030
diff
changeset
|
396 |
val config_string_global = declare_config Config.String Config.string true; |
24003
da76d7e6435c
attribute "option": more elaborate syntax (with value parsing);
wenzelm
parents:
23988
diff
changeset
|
397 |
|
da76d7e6435c
attribute "option": more elaborate syntax (with value parsing);
wenzelm
parents:
23988
diff
changeset
|
398 |
end; |
23988
aa46577f4f44
added attribute "option" for setting configuration options;
wenzelm
parents:
23937
diff
changeset
|
399 |
|
aa46577f4f44
added attribute "option" for setting configuration options;
wenzelm
parents:
23937
diff
changeset
|
400 |
|
18636 | 401 |
(* theory setup *) |
5823 | 402 |
|
26463 | 403 |
val _ = Context.>> (Context.map_theory |
24178
4ff1dc2aa18d
turned Unify flags into configuration options (global only);
wenzelm
parents:
24126
diff
changeset
|
404 |
(register_config Unify.trace_bound_value #> |
4ff1dc2aa18d
turned Unify flags into configuration options (global only);
wenzelm
parents:
24126
diff
changeset
|
405 |
register_config Unify.search_bound_value #> |
4ff1dc2aa18d
turned Unify flags into configuration options (global only);
wenzelm
parents:
24126
diff
changeset
|
406 |
register_config Unify.trace_simp_value #> |
4ff1dc2aa18d
turned Unify flags into configuration options (global only);
wenzelm
parents:
24126
diff
changeset
|
407 |
register_config Unify.trace_types_value #> |
26463 | 408 |
register_config MetaSimplifier.simp_depth_limit_value)); |
5823 | 409 |
|
410 |
end; |