author | haftmann |
Mon, 17 Dec 2007 22:40:14 +0100 | |
changeset 25684 | 2b3cce7d22b8 |
parent 24723 | 2110df1e157d |
child 25983 | 111d2ed164f4 |
permissions | -rw-r--r-- |
5823 | 1 |
(* 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 representation of attributes -- with name and syntax. |
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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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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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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 attribute: theory -> src -> attribute |
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val attribute_i: theory -> src -> attribute |
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val eval_thms: Proof.context -> (thmref * 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 print_configs: Proof.context -> unit |
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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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val thm: Context.generic * Args.T list -> thm * (Context.generic * Args.T list) |
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val thms: Context.generic * Args.T list -> thm list * (Context.generic * Args.T list) |
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val multi_thm: Context.generic * Args.T list -> thm list * (Context.generic * Args.T list) |
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val syntax: (Context.generic * Args.T list -> |
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attribute * (Context.generic * Args.T list)) -> 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 internal: (morphism -> attribute) -> src |
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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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(** 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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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, _), _) => 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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[(("", []), map (apsnd (map (attribute (ProofContext.theory_of ctxt)))) args)] ctxt |
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|> (flat o map snd o fst); |
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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) => (name, ((att, comment), stamp ()))); |
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fun add attrs = NameSpace.extend_table (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 parsers **) |
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(* tags *) |
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fun tag x = Scan.lift (Args.name -- Args.name) x; |
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(* theorems *) |
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local |
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val get_thms = Context.cases PureThy.get_thms ProofContext.get_thms; |
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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 st => |
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Args.$$$ "[" |-- Args.attribs (intern (Context.theory_of st)) --| Args.$$$ "]" |
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>> (fn srcs => |
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let |
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val atts = map (attribute_i (Context.theory_of st)) srcs; |
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val (st', th') = Library.apply atts (st, Drule.dummy_thm); |
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in (st', pick "" [th']) end) || |
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(Scan.ahead Args.alt_name -- Args.named_fact (get_thms st o Fact) |
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>> (fn (s, fact) => ("", Fact s, fact)) || |
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Scan.ahead fact_name -- Args.named_fact (get_thms st o Name) -- Args.thm_sel |
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>> (fn ((name, fact), sel) => (name, NameSelection (name, sel), fact)) || |
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Scan.ahead fact_name -- Args.named_fact (get_thms st o Name) |
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>> (fn (name, fact) => (name, Name name, fact))) |
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-- Args.opt_attribs (intern (Context.theory_of st)) |
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>> (fn ((name, thmref, fact), srcs) => |
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let |
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val ths = PureThy.select_thm thmref fact; |
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val atts = map (attribute_i (Context.theory_of st)) srcs; |
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val (st', ths') = foldl_map (Library.apply atts) (st, ths); |
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in (st', pick name ths') end)); |
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in |
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val thm = gen_thm PureThy.single_thm; |
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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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(** attribute syntax **) |
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fun syntax scan src (st, th) = |
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let val (f, 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 x = syntax |
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(Scan.lift (Args.add >> K add || Args.del >> K del || Scan.succeed add)) x; |
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(** configuration options **) |
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(* naming *) |
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structure Configs = TheoryDataFun |
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( |
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type T = Config.value Config.T Symtab.table; |
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val empty = Symtab.empty; |
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val copy = I; |
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val extend = I; |
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fun merge _ = Symtab.merge (K true); |
24713 | 215 |
); |
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fun print_configs ctxt = |
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let |
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val thy = ProofContext.theory_of ctxt; |
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fun prt (name, config) = |
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let val value = Config.get ctxt config in |
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222 |
Pretty.block [Pretty.str (name ^ ": " ^ Config.print_type value ^ " ="), Pretty.brk 1, |
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Pretty.str (Config.print_value value)] |
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end; |
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val configs = NameSpace.extern_table (#1 (Attributes.get thy), Configs.get thy); |
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in Pretty.writeln (Pretty.big_list "configuration options" (map prt configs)) end; |
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(* concrete syntax *) |
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local |
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val equals = Args.$$$ "="; |
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fun scan_value (Config.Bool _) = |
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236 |
equals -- Args.$$$ "false" >> K (Config.Bool false) || |
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equals -- Args.$$$ "true" >> K (Config.Bool true) || |
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Scan.succeed (Config.Bool true) |
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239 |
| scan_value (Config.Int _) = equals |-- Args.int >> Config.Int |
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|
240 |
| scan_value (Config.String _) = equals |-- Args.name >> Config.String; |
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241 |
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242 |
fun scan_config thy config = |
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243 |
let val config_type = Config.get_thy thy config |
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244 |
in scan_value config_type >> (K o Thm.declaration_attribute o K o Config.put_generic config) end; |
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245 |
|
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attribute "option": more elaborate syntax (with value parsing);
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246 |
in |
da76d7e6435c
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parents:
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|
247 |
|
24126
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turned simp_depth_limit into configuration option;
wenzelm
parents:
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|
248 |
fun register_config config thy = |
913e1fa904fb
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parents:
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249 |
let |
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val bname = Config.name_of config; |
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val name = Sign.full_name thy bname; |
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in |
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thy |
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|> add_attributes [(bname, syntax (Scan.lift (scan_config thy config) >> Morphism.form), |
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"configuration option")] |
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|> Configs.map (Symtab.update (name, config)) |
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end; |
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|
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fun declare_config make coerce global name default = |
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let |
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val config_value = Config.declare global name (make default); |
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val config = coerce config_value; |
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in (config, register_config config_value) end; |
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|
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val config_bool = declare_config Config.Bool Config.bool false; |
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val config_int = declare_config Config.Int Config.int false; |
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val config_string = declare_config Config.String Config.string false; |
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|
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val config_bool_global = declare_config Config.Bool Config.bool true; |
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val config_int_global = declare_config Config.Int Config.int true; |
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val config_string_global = declare_config Config.String Config.string true; |
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|
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end; |
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|
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|
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|
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(** basic attributes **) |
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|
5823 | 279 |
(* tags *) |
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||
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fun tagged x = syntax (tag >> PureThy.tag) x; |
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fun untagged x = syntax (Scan.lift Args.name >> PureThy.untag) x; |
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fun kind x = syntax (Scan.lift Args.name >> PureThy.kind) x; |
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||
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(* rule composition *) |
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val COMP_att = |
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syntax (Scan.lift (Scan.optional (Args.bracks Args.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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|
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val THEN_att = |
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syntax (Scan.lift (Scan.optional (Args.bracks Args.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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|
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fun rename_abs src = syntax |
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(Scan.lift (Scan.repeat (Args.maybe Args.name) >> (apsnd o Drule.rename_bvars'))) src; |
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|
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|
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(* unfold / fold definitions *) |
308 |
||
18839 | 309 |
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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||
8368 | 317 |
(* rule cases *) |
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fun consumes x = syntax (Scan.lift (Scan.optional Args.nat 1) >> RuleCases.consumes) x; |
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fun case_names x = syntax (Scan.lift (Scan.repeat1 Args.name) >> RuleCases.case_names) x; |
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fun case_conclusion x = |
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syntax (Scan.lift (Args.name -- Scan.repeat Args.name) >> RuleCases.case_conclusion) x; |
|
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fun params x = syntax (Args.and_list1 (Scan.lift (Scan.repeat Args.name)) >> RuleCases.params) x; |
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||
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||
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(* rule format *) |
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fun rule_format_att x = syntax (Args.mode "no_asm" |
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>> (fn true => ObjectLogic.rule_format_no_asm | false => ObjectLogic.rule_format)) x; |
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fun elim_format x = no_args (Thm.rule_attribute (K Tactic.make_elim)) x; |
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||
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|
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(* misc rules *) |
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fun standard x = no_args (Thm.rule_attribute (K Drule.standard)) x; |
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fun no_vars x = no_args (Thm.rule_attribute (fn ctxt => fn th => |
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let val ((_, [th']), _) = Variable.import_thms true [th] (Context.proof_of ctxt) |
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in th' end)) x; |
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fun eta_long x = |
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no_args (Thm.rule_attribute (K (Conv.fconv_rule Drule.eta_long_conversion))) x; |
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|
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||
15703 | 346 |
(* internal attribute *) |
347 |
||
18734 | 348 |
fun internal att = Args.src (("Pure.attribute", [Args.mk_attribute att]), Position.none); |
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|
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fun internal_att x = |
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syntax (Scan.lift Args.internal_attribute >> Morphism.form) x; |
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|
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||
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(* attribute rotated *) |
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||
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fun rotated_att x = |
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syntax (Scan.lift (Scan.optional Args.int 1) >> |
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(fn n => Thm.rule_attribute (fn _ => rotate_prems n))) x |
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||
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||
18636 | 361 |
(* theory setup *) |
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|
18636 | 363 |
val _ = Context.add_setup |
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(register_config Unify.trace_bound_value #> |
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register_config Unify.search_bound_value #> |
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register_config Unify.trace_simp_value #> |
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register_config Unify.trace_types_value #> |
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register_config MetaSimplifier.simp_depth_limit_value #> |
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add_attributes |
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[("tagged", tagged, "tagged theorem"), |
18734 | 371 |
("untagged", untagged, "untagged theorem"), |
21439 | 372 |
("kind", kind, "theorem kind"), |
18734 | 373 |
("COMP", COMP_att, "direct composition with rules (no lifting)"), |
374 |
("THEN", THEN_att, "resolution with rule"), |
|
375 |
("OF", OF_att, "rule applied to facts"), |
|
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("rename_abs", rename_abs, "rename bound variables in abstractions"), |
|
377 |
("unfolded", unfolded, "unfolded definitions"), |
|
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("folded", folded, "folded definitions"), |
|
379 |
("standard", standard, "result put into standard form"), |
|
380 |
("elim_format", elim_format, "destruct rule turned into elimination rule format"), |
|
381 |
("no_vars", no_vars, "frozen schematic vars"), |
|
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("eta_long", eta_long, "put theorem into eta long beta normal form"), |
|
383 |
("consumes", consumes, "number of consumed facts"), |
|
384 |
("case_names", case_names, "named rule cases"), |
|
385 |
("case_conclusion", case_conclusion, "named conclusion of rule cases"), |
|
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("params", params, "named rule parameters"), |
|
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("atomize", no_args ObjectLogic.declare_atomize, "declaration of atomize rule"), |
|
388 |
("rulify", no_args ObjectLogic.declare_rulify, "declaration of rulify rule"), |
|
389 |
("rule_format", rule_format_att, "result put into standard rule format"), |
|
24238 | 390 |
("rotated", rotated_att, "rotated theorem premises"), |
18839 | 391 |
("defn", add_del_args LocalDefs.defn_add LocalDefs.defn_del, |
392 |
"declaration of definitional transformations"), |
|
18734 | 393 |
("attribute", internal_att, "internal attribute")]); |
5823 | 394 |
|
395 |
end; |
|
396 |
||
397 |
structure BasicAttrib: BASIC_ATTRIB = Attrib; |
|
398 |
open BasicAttrib; |