more explicit representation of rule_attribute vs. declaration_attribute vs. mixed_attribute;
misc tuning;
1 (* Title: Pure/Isar/attrib.ML
2 Author: Markus Wenzel, TU Muenchen
4 Symbolic representation of attributes -- with name and syntax.
10 type binding = binding * src list
11 val empty_binding: binding
12 val print_attributes: theory -> unit
13 val intern: theory -> xstring -> string
14 val intern_src: theory -> src -> src
15 val pretty_attribs: Proof.context -> src list -> Pretty.T list
16 val defined: theory -> string -> bool
17 val attribute: theory -> src -> attribute
18 val attribute_i: theory -> src -> attribute
19 val map_specs: ('a -> 'att) ->
20 (('c * 'a list) * 'b) list -> (('c * 'att list) * 'b) list
21 val map_facts: ('a -> 'att) ->
22 (('c * 'a list) * ('d * 'a list) list) list ->
23 (('c * 'att list) * ('d * 'att list) list) list
24 val map_facts_refs: ('a -> 'att) -> ('b -> 'fact) ->
25 (('c * 'a list) * ('b * 'a list) list) list ->
26 (('c * 'att list) * ('fact * 'att list) list) list
27 val eval_thms: Proof.context -> (Facts.ref * src list) list -> thm list
28 val crude_closure: Proof.context -> src -> src
29 val setup: Binding.binding -> attribute context_parser -> string -> theory -> theory
30 val attribute_setup: bstring * Position.T -> Symbol_Pos.text * Position.T -> string ->
32 val add_del: attribute -> attribute -> attribute context_parser
33 val thm_sel: Facts.interval list parser
34 val thm: thm context_parser
35 val thms: thm list context_parser
36 val multi_thm: thm list context_parser
37 val print_configs: Proof.context -> unit
38 val internal: (morphism -> attribute) -> src
39 val config_bool: Binding.binding ->
40 (Context.generic -> bool) -> bool Config.T * (theory -> theory)
41 val config_int: Binding.binding ->
42 (Context.generic -> int) -> int Config.T * (theory -> theory)
43 val config_real: Binding.binding ->
44 (Context.generic -> real) -> real Config.T * (theory -> theory)
45 val config_string: Binding.binding ->
46 (Context.generic -> string) -> string Config.T * (theory -> theory)
47 val setup_config_bool: Binding.binding -> (Context.generic -> bool) -> bool Config.T
48 val setup_config_int: Binding.binding -> (Context.generic -> int) -> int Config.T
49 val setup_config_string: Binding.binding -> (Context.generic -> string) -> string Config.T
50 val setup_config_real: Binding.binding -> (Context.generic -> real) -> real Config.T
53 structure Attrib: ATTRIB =
56 (* source and bindings *)
60 type binding = binding * src list;
61 val empty_binding: binding = (Binding.empty, []);
65 (** named attributes **)
69 structure Attributes = Theory_Data
71 type T = ((src -> attribute) * string) Name_Space.table;
72 val empty : T = Name_Space.empty_table "attribute";
74 fun merge data : T = Name_Space.merge_tables data;
77 fun print_attributes thy =
79 val ctxt = Proof_Context.init_global thy;
80 val attribs = Attributes.get thy;
81 fun prt_attr (name, (_, "")) = Pretty.str name
82 | prt_attr (name, (_, comment)) =
83 Pretty.block [Pretty.str (name ^ ":"), Pretty.brk 2, Pretty.str comment];
85 [Pretty.big_list "attributes:" (map prt_attr (Name_Space.extern_table ctxt attribs))]
86 |> Pretty.chunks |> Pretty.writeln
89 fun add_attribute name att comment thy = thy
91 (Name_Space.define (Proof_Context.init_global thy) true (Sign.naming_of thy)
92 (name, (att, comment)) #> snd);
97 val intern = Name_Space.intern o #1 o Attributes.get;
98 val intern_src = Args.map_name o intern;
100 fun extern ctxt = Name_Space.extern ctxt (#1 (Attributes.get (Proof_Context.theory_of ctxt)));
103 (* pretty printing *)
105 fun pretty_attribs _ [] = []
106 | pretty_attribs ctxt srcs =
107 [Pretty.enum "," "[" "]" (map (Args.pretty_src ctxt o Args.map_name (extern ctxt)) srcs)];
112 val defined = Symtab.defined o #2 o Attributes.get;
114 fun attribute_i thy =
116 val (space, tab) = Attributes.get thy;
118 let val ((name, _), pos) = Args.dest_src src in
119 (case Symtab.lookup tab name of
120 NONE => error ("Unknown attribute: " ^ quote name ^ Position.str_of pos)
121 | SOME (att, _) => (Position.report pos (Name_Space.markup space name); att src))
125 fun attribute thy = attribute_i thy o intern_src thy;
128 (* attributed declarations *)
130 fun map_specs f = map (apfst (apsnd (map f)));
132 fun map_facts f = map (apfst (apsnd (map f)) o apsnd (map (apsnd (map f))));
133 fun map_facts_refs f g = map_facts f #> map (apsnd (map (apfst g)));
136 (* fact expressions *)
138 fun eval_thms ctxt srcs = ctxt
139 |> Proof_Context.note_thmss ""
140 (map_facts_refs (attribute (Proof_Context.theory_of ctxt)) (Proof_Context.get_fact ctxt)
141 [((Binding.empty, []), srcs)])
147 (*Produce closure without knowing facts in advance! The following
148 works reasonably well for attribute parsers that do not peek at the
151 fun crude_closure ctxt src =
153 Thm.apply_attribute (attribute_i (Proof_Context.theory_of ctxt) src)
154 (Context.Proof ctxt, Drule.asm_rl)) ();
158 (* attribute setup *)
160 fun syntax scan = Args.syntax "attribute" scan;
162 fun setup name scan =
164 (fn src => fn (ctxt, th) => let val (a, ctxt') = syntax scan src ctxt in a (ctxt', th) end);
166 fun attribute_setup name (txt, pos) cmt =
167 Context.theory_map (ML_Context.expression pos
168 "val (name, scan, comment): binding * attribute context_parser * string"
169 "Context.map_theory (Attrib.setup name scan comment)"
170 (ML_Lex.read Position.none ("(" ^ ML_Syntax.make_binding name ^ ", ") @
171 ML_Lex.read pos txt @
172 ML_Lex.read Position.none (", " ^ ML_Syntax.print_string cmt ^ ")")));
177 fun add_del add del = Scan.lift (Args.add >> K add || Args.del >> K del || Scan.succeed add);
181 (** parsing attributed theorems **)
183 val thm_sel = Parse.$$$ "(" |-- Parse.list1
184 (Parse.nat --| Parse.minus -- Parse.nat >> Facts.FromTo ||
185 Parse.nat --| Parse.minus >> Facts.From ||
186 Parse.nat >> Facts.Single) --| Parse.$$$ ")";
190 val fact_name = Args.internal_fact >> K "<fact>" || Args.name;
192 fun gen_thm pick = Scan.depend (fn context =>
194 val thy = Context.theory_of context;
195 val get = Context.cases (Global_Theory.get_fact context) Proof_Context.get_fact context;
196 val get_fact = get o Facts.Fact;
197 fun get_named pos name = get (Facts.Named ((name, pos), NONE));
199 Parse.$$$ "[" |-- Args.attribs (intern thy) --| Parse.$$$ "]" >> (fn srcs =>
201 val atts = map (attribute_i thy) srcs;
202 val (context', th') =
203 Library.apply (map Thm.apply_attribute atts) (context, Drule.dummy_thm);
204 in (context', pick "" [th']) end)
206 (Scan.ahead Args.alt_name -- Args.named_fact get_fact
207 >> (fn (s, fact) => ("", Facts.Fact s, fact)) ||
208 Scan.ahead (Parse.position fact_name) :|-- (fn (name, pos) =>
209 Args.named_fact (get_named pos) -- Scan.option thm_sel
210 >> (fn (fact, sel) => (name, Facts.Named ((name, pos), sel), fact))))
211 -- Args.opt_attribs (intern thy) >> (fn ((name, thmref, fact), srcs) =>
213 val ths = Facts.select thmref fact;
214 val atts = map (attribute_i thy) srcs;
215 val (context', ths') =
216 Library.foldl_map (Library.apply (map Thm.apply_attribute atts)) (context, ths);
217 in (context', pick name ths') end)
222 val thm = gen_thm Facts.the_single;
223 val multi_thm = gen_thm (K I);
224 val thms = Scan.repeat multi_thm >> flat;
230 (** basic attributes **)
234 fun internal att = Args.src (("Pure.attribute", [Token.mk_attribute att]), Position.none);
237 (* rule composition *)
240 Scan.lift (Scan.optional (Args.bracks Parse.nat) 1) -- thm
241 >> (fn (i, B) => Thm.rule_attribute (fn _ => fn A => Drule.compose_single (A, i, B)));
244 Scan.lift (Scan.optional (Args.bracks Parse.nat) 1) -- thm
245 >> (fn (i, B) => Thm.rule_attribute (fn _ => fn A => A RSN (i, B)));
248 thms >> (fn Bs => Thm.rule_attribute (fn _ => fn A => Bs MRS A));
254 Scan.repeat (Args.maybe Args.name)
255 >> (fn args => Thm.rule_attribute (K (Drule.rename_bvars' args)));
258 (* unfold / fold definitions *)
260 fun unfolded_syntax rule =
261 thms >> (fn ths => Thm.rule_attribute (fn context => rule (Context.proof_of context) ths));
263 val unfolded = unfolded_syntax Local_Defs.unfold;
264 val folded = unfolded_syntax Local_Defs.fold;
269 val rule_format = Args.mode "no_asm"
270 >> (fn true => Object_Logic.rule_format_no_asm | false => Object_Logic.rule_format);
272 val elim_format = Thm.rule_attribute (K Tactic.make_elim);
278 Scan.repeat1 (Args.name --
279 Scan.optional (Parse.$$$ "[" |-- Scan.repeat1 (Args.maybe Args.name) --| Parse.$$$ "]") []) >>
281 Rule_Cases.cases_hyp_names (map fst cs)
282 (map (map (the_default Rule_Cases.case_hypsN) o snd) cs));
287 val no_vars = Thm.rule_attribute (fn context => fn th =>
289 val ctxt = Variable.set_body false (Context.proof_of context);
290 val ((_, [th']), _) = Variable.import true [th] ctxt;
294 Thm.rule_attribute (K (Conv.fconv_rule Drule.eta_long_conversion));
296 val rotated = Scan.optional Parse.int 1 >> (fn n => Thm.rule_attribute (K (rotate_prems n)));
301 val _ = Context.>> (Context.map_theory
302 (setup (Binding.name "attribute") (Scan.lift Args.internal_attribute >> Morphism.form)
303 "internal attribute" #>
304 setup (Binding.name "tagged") (Scan.lift (Args.name -- Args.name) >> Thm.tag) "tagged theorem" #>
305 setup (Binding.name "untagged") (Scan.lift Args.name >> Thm.untag) "untagged theorem" #>
306 setup (Binding.name "kind") (Scan.lift Args.name >> Thm.kind) "theorem kind" #>
307 setup (Binding.name "COMP") COMP_att "direct composition with rules (no lifting)" #>
308 setup (Binding.name "THEN") THEN_att "resolution with rule" #>
309 setup (Binding.name "OF") OF_att "rule applied to facts" #>
310 setup (Binding.name "rename_abs") (Scan.lift rename_abs)
311 "rename bound variables in abstractions" #>
312 setup (Binding.name "unfolded") unfolded "unfolded definitions" #>
313 setup (Binding.name "folded") folded "folded definitions" #>
314 setup (Binding.name "consumes") (Scan.lift (Scan.optional Parse.nat 1) >> Rule_Cases.consumes)
315 "number of consumed facts" #>
316 setup (Binding.name "constraints") (Scan.lift Parse.nat >> Rule_Cases.constraints)
317 "number of equality constraints" #>
318 setup (Binding.name "case_names") (Scan.lift case_names) "named rule cases" #>
319 setup (Binding.name "case_conclusion")
320 (Scan.lift (Args.name -- Scan.repeat Args.name) >> Rule_Cases.case_conclusion)
321 "named conclusion of rule cases" #>
322 setup (Binding.name "params")
323 (Scan.lift (Parse.and_list1 (Scan.repeat Args.name)) >> Rule_Cases.params)
324 "named rule parameters" #>
325 setup (Binding.name "standard") (Scan.succeed (Thm.rule_attribute (K Drule.export_without_context)))
326 "result put into standard form (legacy)" #>
327 setup (Binding.name "rule_format") rule_format "result put into canonical rule format" #>
328 setup (Binding.name "elim_format") (Scan.succeed elim_format)
329 "destruct rule turned into elimination rule format" #>
330 setup (Binding.name "no_vars") (Scan.succeed no_vars) "frozen schematic vars" #>
331 setup (Binding.name "eta_long") (Scan.succeed eta_long)
332 "put theorem into eta long beta normal form" #>
333 setup (Binding.name "atomize") (Scan.succeed Object_Logic.declare_atomize)
334 "declaration of atomize rule" #>
335 setup (Binding.name "rulify") (Scan.succeed Object_Logic.declare_rulify)
336 "declaration of rulify rule" #>
337 setup (Binding.name "rotated") (Scan.lift rotated) "rotated theorem premises" #>
338 setup (Binding.name "defn") (add_del Local_Defs.defn_add Local_Defs.defn_del)
339 "declaration of definitional transformations" #>
340 setup (Binding.name "abs_def") (Scan.succeed (Thm.rule_attribute (K Drule.abs_def)))
341 "abstract over free variables of a definition"));
345 (** configuration options **)
349 structure Configs = Theory_Data
351 type T = Config.raw Symtab.table;
352 val empty = Symtab.empty;
354 fun merge data = Symtab.merge (K true) data;
357 fun print_configs ctxt =
359 val thy = Proof_Context.theory_of ctxt;
360 fun prt (name, config) =
361 let val value = Config.get ctxt config in
362 Pretty.block [Pretty.str (name ^ ": " ^ Config.print_type value ^ " ="), Pretty.brk 1,
363 Pretty.str (Config.print_value value)]
365 val configs = Name_Space.extern_table ctxt (#1 (Attributes.get thy), Configs.get thy);
366 in Pretty.writeln (Pretty.big_list "configuration options" (map prt configs)) end;
369 (* concrete syntax *)
373 val equals = Parse.$$$ "=";
375 fun scan_value (Config.Bool _) =
376 equals -- Args.$$$ "false" >> K (Config.Bool false) ||
377 equals -- Args.$$$ "true" >> K (Config.Bool true) ||
378 Scan.succeed (Config.Bool true)
379 | scan_value (Config.Int _) = equals |-- Parse.int >> Config.Int
380 | scan_value (Config.Real _) = equals |-- Parse.real >> Config.Real
381 | scan_value (Config.String _) = equals |-- Args.name >> Config.String;
383 fun scan_config thy config =
384 let val config_type = Config.get_global thy config
385 in scan_value config_type >> (K o Thm.declaration_attribute o K o Config.put_generic config) end;
387 fun register binding config thy =
388 let val name = Sign.full_name thy binding in
390 |> setup binding (Scan.lift (scan_config thy config) >> Morphism.form) "configuration option"
391 |> Configs.map (Symtab.update (name, config))
394 fun declare make coerce binding default =
396 val name = Binding.name_of binding;
397 val config_value = Config.declare_generic {global = false} name (make o default);
398 val config = coerce config_value;
399 in (config, register binding config_value) end;
403 val config_bool = declare Config.Bool Config.bool;
404 val config_int = declare Config.Int Config.int;
405 val config_real = declare Config.Real Config.real;
406 val config_string = declare Config.String Config.string;
408 fun register_config config = register (Binding.name (Config.name_of config)) config;
417 fun setup_config declare_config binding default =
419 val (config, setup) = declare_config binding default;
420 val _ = Context.>> (Context.map_theory setup);
425 val setup_config_bool = setup_config config_bool;
426 val setup_config_int = setup_config config_int;
427 val setup_config_string = setup_config config_string;
428 val setup_config_real = setup_config config_real;
435 val _ = Context.>> (Context.map_theory
436 (register_config Ast.trace_raw #>
437 register_config Ast.stats_raw #>
438 register_config Syntax.positions_raw #>
439 register_config Printer.show_brackets_raw #>
440 register_config Printer.show_sorts_raw #>
441 register_config Printer.show_types_raw #>
442 register_config Printer.show_structs_raw #>
443 register_config Printer.show_question_marks_raw #>
444 register_config Syntax.ambiguity_level_raw #>
445 register_config Syntax.ambiguity_warnings_raw #>
446 register_config Syntax_Trans.eta_contract_raw #>
447 register_config Name_Space.names_long_raw #>
448 register_config Name_Space.names_short_raw #>
449 register_config Name_Space.names_unique_raw #>
450 register_config ML_Context.trace_raw #>
451 register_config Proof_Context.show_abbrevs_raw #>
452 register_config Goal_Display.goals_limit_raw #>
453 register_config Goal_Display.show_main_goal_raw #>
454 register_config Goal_Display.show_consts_raw #>
455 register_config Display.show_hyps_raw #>
456 register_config Display.show_tags_raw #>
457 register_config Unify.trace_bound_raw #>
458 register_config Unify.search_bound_raw #>
459 register_config Unify.trace_simp_raw #>
460 register_config Unify.trace_types_raw #>
461 register_config Raw_Simplifier.simp_depth_limit_raw #>
462 register_config Raw_Simplifier.simp_trace_depth_limit_raw #>
463 register_config Raw_Simplifier.simp_debug_raw #>
464 register_config Raw_Simplifier.simp_trace_raw));