removed obsolete argument (cf. aa35859c8741);
1 (* Title: Pure/Isar/named_target.ML
3 Author: Florian Haftmann, TU Muenchen
5 Targets for theory, locale and class.
8 signature NAMED_TARGET =
10 val init: (local_theory -> local_theory) -> string -> theory -> local_theory
11 val theory_init: theory -> local_theory
12 val reinit: local_theory -> local_theory -> local_theory
13 val context_cmd: xstring -> theory -> local_theory
14 val peek: local_theory -> {target: string, is_locale: bool, is_class: bool} option
17 structure Named_Target: NAMED_TARGET =
23 Target of {target: string, is_locale: bool, is_class: bool,
24 before_exit: local_theory -> local_theory};
26 fun make_target target is_locale is_class before_exit =
27 Target {target = target, is_locale = is_locale, is_class = is_class,
28 before_exit = before_exit};
30 fun named_target _ "" before_exit = make_target "" false false before_exit
31 | named_target thy locale before_exit =
32 if Locale.defined thy locale
33 then make_target locale true (Class.is_class thy locale) before_exit
34 else error ("No such locale: " ^ quote locale);
36 structure Data = Proof_Data
38 type T = target option;
43 Data.get #> Option.map (fn Target {target, is_locale, is_class, ...} =>
44 {target = target, is_locale = is_locale, is_class = is_class});
47 (* generic declarations *)
49 fun locale_declaration locale {syntax, pervasive} decl lthy =
51 val add = if syntax then Locale.add_syntax_declaration else Locale.add_declaration;
52 val locale_decl = Morphism.transform (Local_Theory.target_morphism lthy) decl;
55 |> pervasive ? Generic_Target.theory_declaration decl
56 |> Local_Theory.target (add locale locale_decl)
59 fun target_declaration (Target {target, ...}) params =
60 if target = "" then Generic_Target.theory_declaration
61 else locale_declaration target params;
64 (* consts in locales *)
66 fun locale_const (Target {target, is_class, ...}) (prmode as (mode, _)) ((b, mx), rhs) phi =
68 val b' = Morphism.binding phi b;
69 val rhs' = Morphism.term phi rhs;
70 val arg = (b', Term.close_schematic_term rhs');
71 val same_shape = Term.aconv_untyped (rhs, rhs');
72 (* FIXME workaround based on educated guess *)
73 val prefix' = Binding.prefix_of b';
74 val is_canonical_class = is_class andalso
75 (Binding.eq_name (b, b')
76 andalso not (null prefix')
77 andalso List.last prefix' = (Class.class_prefix target, false)
80 not is_canonical_class ?
81 (Context.mapping_result
82 (Sign.add_abbrev Print_Mode.internal arg)
83 (Proof_Context.add_abbrev Print_Mode.internal arg)
84 #-> (fn (lhs' as Const (d, _), _) =>
87 (Sign.revert_abbrev mode d) (Proof_Context.revert_abbrev mode d) #>
88 Morphism.form (Proof_Context.target_notation true prmode [(lhs', mx)]))))
91 fun locale_const_declaration (ta as Target {target, ...}) prmode arg =
92 locale_declaration target {syntax = true, pervasive = false} (locale_const ta prmode arg);
97 fun locale_foundation ta (((b, U), mx), (b_def, rhs)) (type_params, term_params) =
98 Generic_Target.theory_foundation (((b, U), NoSyn), (b_def, rhs)) (type_params, term_params)
99 #-> (fn (lhs, def) => locale_const_declaration ta Syntax.mode_default ((b, mx), lhs)
102 fun class_foundation (ta as Target {target, ...})
103 (((b, U), mx), (b_def, rhs)) (type_params, term_params) =
104 Generic_Target.theory_foundation (((b, U), NoSyn), (b_def, rhs)) (type_params, term_params)
105 #-> (fn (lhs, def) => locale_const_declaration ta Syntax.mode_default ((b, NoSyn), lhs)
106 #> Class.const target ((b, mx), (type_params, lhs))
109 fun target_foundation (ta as Target {is_locale, is_class, ...}) =
110 if is_class then class_foundation ta
111 else if is_locale then locale_foundation ta
112 else Generic_Target.theory_foundation;
117 fun locale_notes locale kind global_facts local_facts lthy =
119 val global_facts' = Attrib.map_facts (K I) global_facts;
120 val local_facts' = Element.facts_map
121 (Element.transform_ctxt (Local_Theory.target_morphism lthy)) local_facts;
124 |> Local_Theory.background_theory (Global_Theory.note_thmss kind global_facts' #> snd)
125 |> Local_Theory.target (Locale.add_thmss locale kind local_facts')
128 fun target_notes (Target {target, is_locale, ...}) =
129 if is_locale then locale_notes target
130 else fn kind => fn global_facts => fn _ => Generic_Target.theory_notes kind global_facts;
135 fun locale_abbrev ta prmode ((b, mx), t) xs =
136 Local_Theory.background_theory_result
137 (Sign.add_abbrev Print_Mode.internal (b, t)) #->
138 (fn (lhs, _) => locale_const_declaration ta prmode
139 ((b, mx), Term.list_comb (Logic.unvarify_global lhs, xs)));
141 fun target_abbrev (ta as Target {target, is_locale, is_class, ...})
142 prmode (b, mx) (global_rhs, t') xs lthy =
145 |> locale_abbrev ta prmode ((b, if is_class then NoSyn else mx), global_rhs) xs
146 |> is_class ? Class.abbrev target prmode ((b, mx), t')
149 |> Generic_Target.theory_abbrev prmode ((b, mx), global_rhs);
154 fun pretty (Target {target, is_locale, is_class, ...}) ctxt =
156 val thy = Proof_Context.theory_of ctxt;
158 [Pretty.command (if is_class then "class" else "locale"),
159 Pretty.str (" " ^ Locale.extern thy target)];
160 val fixes = map (fn (x, T) => (Binding.name x, SOME T, NoSyn))
161 (#1 (Proof_Context.inferred_fixes ctxt));
162 val assumes = map (fn A => (Attrib.empty_binding, [(Thm.term_of A, [])]))
163 (Assumption.all_assms_of ctxt);
165 (if null fixes then [] else [Element.Fixes fixes]) @
166 (if null assumes then [] else [Element.Assumes assumes]);
168 if not is_locale then []
169 else if null elems then [Pretty.block target_name]
170 else [Pretty.block (Pretty.fbreaks (Pretty.block (target_name @ [Pretty.str " ="]) ::
171 map (Pretty.chunks o Element.pretty_ctxt ctxt) elems))];
173 Pretty.block [Pretty.command "theory", Pretty.brk 1,
174 Pretty.str (Context.theory_name (Proof_Context.theory_of ctxt))] :: body_elems
180 fun init_context (Target {target, is_locale, is_class, ...}) =
181 if not is_locale then Proof_Context.init_global
182 else if not is_class then Locale.init target
183 else Class.init target;
185 fun init before_exit target thy =
187 val ta = named_target thy target before_exit;
191 |> Data.put (SOME ta)
192 |> Local_Theory.init NONE (Long_Name.base_name target)
193 {define = Generic_Target.define (target_foundation ta),
194 notes = Generic_Target.notes (target_notes ta),
195 abbrev = Generic_Target.abbrev (target_abbrev ta),
196 declaration = target_declaration ta,
198 exit = Local_Theory.target_of o before_exit}
201 val theory_init = init I "";
204 (case Data.get lthy of
205 SOME (Target {target, before_exit, ...}) => init before_exit target o Local_Theory.exit_global
206 | NONE => error "Not in a named target");
208 fun context_cmd "-" thy = init I "" thy
209 | context_cmd target thy = init I (Locale.intern thy target) thy;