author | wenzelm |
Mon, 02 Apr 2012 19:47:21 +0200 | |
changeset 47275 | fc95b8b6c260 |
parent 47274 | feef9b0b6031 |
child 47277 | daef54bad420 |
permissions | -rw-r--r-- |
41959 | 1 |
(* Title: Pure/Isar/named_target.ML |
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Author: Makarius |
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Author: Florian Haftmann, TU Muenchen |
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Targets for theory, locale, class -- at the bottom the nested structure. |
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*) |
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signature NAMED_TARGET = |
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sig |
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val peek: local_theory -> {target: string, is_locale: bool, is_class: bool} option |
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val init: (local_theory -> local_theory) -> string -> theory -> local_theory |
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val theory_init: theory -> local_theory |
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val reinit: local_theory -> local_theory -> local_theory |
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val context_cmd: xstring * Position.T -> theory -> local_theory |
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end; |
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structure Named_Target: NAMED_TARGET = |
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struct |
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(* context data *) |
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datatype target = |
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Target of {target: string, is_locale: bool, is_class: bool, |
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before_exit: local_theory -> local_theory}; |
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fun make_target target is_locale is_class before_exit = |
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Target {target = target, is_locale = is_locale, is_class = is_class, |
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before_exit = before_exit}; |
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fun named_target _ "" before_exit = make_target "" false false before_exit |
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| named_target thy locale before_exit = |
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if Locale.defined thy locale |
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then make_target locale true (Class.is_class thy locale) before_exit |
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else error ("No such locale: " ^ quote locale); |
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structure Data = Proof_Data |
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( |
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type T = target option; |
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fun init _ = NONE; |
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); |
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||
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val peek = |
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Data.get #> Option.map (fn Target {target, is_locale, is_class, ...} => |
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{target = target, is_locale = is_locale, is_class = is_class}); |
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(* consts in locale *) |
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fun locale_const (Target {target, is_class, ...}) (prmode as (mode, _)) ((b, mx), rhs) = |
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Generic_Target.locale_declaration target true (fn phi => |
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let |
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val b' = Morphism.binding phi b; |
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val rhs' = Morphism.term phi rhs; |
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val rhs'' = Term.close_schematic_term rhs'; |
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val same_shape = Term.aconv_untyped (rhs, rhs'); |
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(* FIXME workaround based on educated guess *) |
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val prefix' = Binding.prefix_of b'; |
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val is_canonical_class = is_class andalso |
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(Binding.eq_name (b, b') |
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andalso not (null prefix') |
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andalso List.last prefix' = (Class.class_prefix target, false) |
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orelse same_shape); |
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in |
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not is_canonical_class ? |
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(Proof_Context.generic_add_abbrev Print_Mode.internal (b', rhs'') |
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#-> (fn (lhs' as Const (d, _), _) => |
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same_shape ? |
|
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(Proof_Context.generic_revert_abbrev mode d #> |
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Morphism.form (Proof_Context.generic_notation true prmode [(lhs', mx)])))) |
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end); |
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(* define *) |
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fun locale_foundation ta (((b, U), mx), (b_def, rhs)) (type_params, term_params) = |
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Generic_Target.theory_foundation (((b, U), NoSyn), (b_def, rhs)) (type_params, term_params) |
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#-> (fn (lhs, def) => locale_const ta Syntax.mode_default ((b, mx), lhs) |
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#> pair (lhs, def)) |
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fun class_foundation (ta as Target {target, ...}) |
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(((b, U), mx), (b_def, rhs)) (type_params, term_params) = |
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Generic_Target.theory_foundation (((b, U), NoSyn), (b_def, rhs)) (type_params, term_params) |
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#-> (fn (lhs, def) => locale_const ta Syntax.mode_default ((b, NoSyn), lhs) |
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#> Class.const target ((b, mx), (type_params, lhs)) |
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#> pair (lhs, def)) |
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fun target_foundation (ta as Target {is_locale, is_class, ...}) = |
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if is_class then class_foundation ta |
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else if is_locale then locale_foundation ta |
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else Generic_Target.theory_foundation; |
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(* notes *) |
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fun target_notes (Target {target, is_locale, ...}) = |
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if is_locale then Generic_Target.locale_notes target |
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else Generic_Target.theory_notes; |
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(* abbrev *) |
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fun locale_abbrev ta prmode ((b, mx), t) xs = |
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Local_Theory.background_theory_result |
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(Sign.add_abbrev Print_Mode.internal (b, t)) #-> |
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(fn (lhs, _) => locale_const ta prmode |
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((b, mx), Term.list_comb (Logic.unvarify_global lhs, xs))); |
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fun target_abbrev (ta as Target {target, is_locale, is_class, ...}) |
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prmode (b, mx) (global_rhs, t') xs lthy = |
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if is_locale then |
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lthy |
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|> locale_abbrev ta prmode ((b, if is_class then NoSyn else mx), global_rhs) xs |
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|> is_class ? Class.abbrev target prmode ((b, mx), t') |
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else |
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lthy |
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|> Generic_Target.theory_abbrev prmode ((b, mx), global_rhs); |
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(* declaration *) |
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|
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fun target_declaration (Target {target, ...}) {syntax, pervasive} decl lthy = |
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if target = "" then Generic_Target.standard_declaration decl lthy |
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else |
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lthy |
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|> pervasive ? Generic_Target.background_declaration decl |
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|> Generic_Target.locale_declaration target syntax decl |
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|> (fn lthy' => lthy' |> Local_Theory.map_contexts (fn level => fn ctxt => |
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if level = 0 then ctxt |
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else Context.proof_map (Local_Theory.standard_form lthy' ctxt decl) ctxt)); |
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|
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(* pretty *) |
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fun pretty (Target {target, is_locale, is_class, ...}) ctxt = |
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let |
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val thy = Proof_Context.theory_of ctxt; |
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val target_name = |
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[Pretty.command (if is_class then "class" else "locale"), |
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Pretty.str (" " ^ Locale.extern thy target)]; |
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val fixes = |
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map (fn (x, T) => (Binding.name x, SOME T, NoSyn)) |
|
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(#1 (Proof_Context.inferred_fixes ctxt)); |
|
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val assumes = |
|
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map (fn A => (Attrib.empty_binding, [(Thm.term_of A, [])])) |
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(Assumption.all_assms_of ctxt); |
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val elems = |
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(if null fixes then [] else [Element.Fixes fixes]) @ |
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(if null assumes then [] else [Element.Assumes assumes]); |
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val body_elems = |
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if not is_locale then [] |
|
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else if null elems then [Pretty.block target_name] |
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else [Pretty.block (Pretty.fbreaks (Pretty.block (target_name @ [Pretty.str " ="]) :: |
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map (Pretty.chunks o Element.pretty_ctxt ctxt) elems))]; |
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in |
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Pretty.block [Pretty.command "theory", Pretty.brk 1, |
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Pretty.str (Context.theory_name (Proof_Context.theory_of ctxt))] :: body_elems |
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end; |
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|
38378 | 161 |
(* init *) |
25291 | 162 |
|
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45d7da4e4ccf
added before_exit continuation for named targets (locale, class etc.), e.g. for final check/cleanup as in VC management;
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163 |
fun init_context (Target {target, is_locale, is_class, ...}) = |
42360 | 164 |
if not is_locale then Proof_Context.init_global |
29576 | 165 |
else if not is_class then Locale.init target |
38379
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more convenient split of class modules: class and class_declaration
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166 |
else Class.init target; |
25269 | 167 |
|
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changeset
|
168 |
fun init before_exit target thy = |
39639 | 169 |
let |
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45d7da4e4ccf
added before_exit continuation for named targets (locale, class etc.), e.g. for final check/cleanup as in VC management;
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changeset
|
170 |
val ta = named_target thy target before_exit; |
47061
355317493f34
clarified Local_Theory.init: avoid hardwired naming policy, discontinued odd/unused group argument (cf. 5ee13e0428d2);
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changeset
|
171 |
val naming = Sign.naming_of thy |
355317493f34
clarified Local_Theory.init: avoid hardwired naming policy, discontinued odd/unused group argument (cf. 5ee13e0428d2);
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parents:
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diff
changeset
|
172 |
|> Name_Space.mandatory_path (Long_Name.base_name target); |
39639 | 173 |
in |
174 |
thy |
|
175 |
|> init_context ta |
|
176 |
|> Data.put (SOME ta) |
|
47061
355317493f34
clarified Local_Theory.init: avoid hardwired naming policy, discontinued odd/unused group argument (cf. 5ee13e0428d2);
wenzelm
parents:
47000
diff
changeset
|
177 |
|> Local_Theory.init naming |
39639 | 178 |
{define = Generic_Target.define (target_foundation ta), |
179 |
notes = Generic_Target.notes (target_notes ta), |
|
180 |
abbrev = Generic_Target.abbrev (target_abbrev ta), |
|
45291
57cd50f98fdc
uniform Local_Theory.declaration with explicit params;
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diff
changeset
|
181 |
declaration = target_declaration ta, |
39639 | 182 |
pretty = pretty ta, |
41585
45d7da4e4ccf
added before_exit continuation for named targets (locale, class etc.), e.g. for final check/cleanup as in VC management;
wenzelm
parents:
40782
diff
changeset
|
183 |
exit = Local_Theory.target_of o before_exit} |
39639 | 184 |
end; |
38247 | 185 |
|
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added before_exit continuation for named targets (locale, class etc.), e.g. for final check/cleanup as in VC management;
wenzelm
parents:
40782
diff
changeset
|
186 |
val theory_init = init I ""; |
25269 | 187 |
|
47066
8a6124d09ff5
basic support for nested contexts including bundles;
wenzelm
parents:
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diff
changeset
|
188 |
val reinit = |
47069 | 189 |
Local_Theory.assert_bottom true #> Data.get #> the #> |
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diff
changeset
|
190 |
(fn Target {target, before_exit, ...} => Local_Theory.exit_global #> init before_exit target); |
38391
ba1cc1815ce1
named target is optional; explicit Name_Target.reinit
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parents:
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diff
changeset
|
191 |
|
47274 | 192 |
fun context_cmd ("-", _) thy = theory_init thy |
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pass positions for named targets, for formal links in the document model;
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changeset
|
193 |
| context_cmd target thy = init I (Locale.check thy target) thy; |
33282 | 194 |
|
20894 | 195 |
end; |