author  wenzelm 
Thu, 11 Oct 2007 16:05:44 +0200  
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parent 24949  5f00e3532418 
child 24981  4ec3f95190bf 
permissions  rwrr 
24218  1 
(* Title: Pure/Isar/class.ML 
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ID: $Id$ 

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Author: Florian Haftmann, TU Muenchen 

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Type classes derived from primitive axclasses and locales. 

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*) 

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signature CLASS = 

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sig 

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val fork_mixfix: bool > string option > mixfix > mixfix * mixfix 

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val axclass_cmd: bstring * xstring list 

24589  13 
> ((bstring * Attrib.src list) * string list) list 
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> theory > class * theory 

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val classrel_cmd: xstring * xstring > theory > Proof.state 

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24748  17 
val class: bool > bstring > class list > Element.context_i Locale.element list 
24218  18 
> string list > theory > string * Proof.context 
24748  19 
val class_cmd: bool > bstring > xstring list > Element.context Locale.element list 
24589  20 
> xstring list > theory > string * Proof.context 
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val init: class > Proof.context > Proof.context; 
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val add_const_in_class: string > (string * term) * Syntax.mixfix 
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> theory > string * theory 
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val add_abbrev_in_class: string > Syntax.mode > (string * term) * mixfix 
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> theory > string * theory 
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val remove_constraint: sort > string > Proof.context > Proof.context 
24589  27 
val intro_classes_tac: thm list > tactic 
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val default_intro_classes_tac: thm list > tactic 

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val class_of_locale: theory > string > class option 

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val locale_of_class: theory > class > string 
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val local_syntax: theory > class > bool 
24589  32 
val print_classes: theory > unit 
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24589  34 
val instance_arity: (theory > theory) > arity list > theory > Proof.state 
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val instance: arity list > ((bstring * Attrib.src list) * term) list 

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> (thm list > theory > theory) 
24218  37 
> theory > Proof.state 
24589  38 
val instance_cmd: (bstring * xstring list * xstring) list 
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> ((bstring * Attrib.src list) * xstring) list 

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> (thm list > theory > theory) 
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> theory > Proof.state 
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val prove_instance: tactic > arity list 
24218  43 
> ((bstring * Attrib.src list) * term) list 
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> theory > thm list * theory 
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val unoverload: theory > conv 
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val overload: theory > conv 
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val unoverload_const: theory > string * typ > string 
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val inst_const: theory > string * string > string 
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val param_const: theory > string > (string * string) option 
24435  50 
val params_of_sort: theory > sort > (string * (string * typ)) list 
24218  51 
end; 
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structure Class : CLASS = 

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struct 

55 

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(** auxiliary **) 

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fun fork_mixfix is_loc some_class mx = 

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let 

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val mx' = Syntax.unlocalize_mixfix mx; 

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val mx_global = if not is_loc orelse (is_some some_class andalso not (mx = mx')) 
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then mx' else NoSyn; 
24218  63 
val mx_local = if is_loc then mx else NoSyn; 
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in (mx_global, mx_local) end; 

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24589  66 
fun prove_interpretation tac prfx_atts expr insts = 
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Locale.interpretation_i I prfx_atts expr insts 

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#> Proof.global_terminal_proof 

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(Method.Basic (K (Method.SIMPLE_METHOD tac), Position.none), NONE) 

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#> ProofContext.theory_of; 

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fun OF_LAST thm1 thm2 = 

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let 

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val n = (length o Logic.strip_imp_prems o prop_of) thm2; 

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in (thm1 RSN (n, thm2)) end; 

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fun strip_all_ofclass thy sort = 

78 
let 

24847  79 
val typ = TVar ((Name.aT, 0), sort); 
24589  80 
fun prem_inclass t = 
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case Logic.strip_imp_prems t 

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of ofcls :: _ => try Logic.dest_inclass ofcls 

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 [] => NONE; 

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fun strip_ofclass class thm = 

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thm OF (fst o AxClass.of_sort thy (typ, [class])) AxClass.cache; 

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fun strip thm = case (prem_inclass o Thm.prop_of) thm 

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of SOME (_, class) => thm > strip_ofclass class > strip 

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 NONE => thm; 

89 
in strip end; 

90 

91 

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(** axclass command **) 

93 

24218  94 
fun axclass_cmd (class, raw_superclasses) raw_specs thy = 
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let 

96 
val ctxt = ProofContext.init thy; 

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val superclasses = map (Sign.read_class thy) raw_superclasses; 

24589  98 
val name_atts = map ((apsnd o map) (Attrib.attribute thy) o fst) 
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raw_specs; 

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val axiomss = ProofContext.read_propp (ctxt, map (map (rpair []) o snd) 

101 
raw_specs) 

24218  102 
> snd 
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> (map o map) fst; 

24589  104 
in 
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AxClass.define_class (class, superclasses) [] 

106 
(name_atts ~~ axiomss) thy 

107 
end; 

24218  108 

109 
local 

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fun gen_instance mk_prop add_thm after_qed insts thy = 

112 
let 

113 
fun after_qed' results = 

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ProofContext.theory ((fold o fold) add_thm results #> after_qed); 

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in 

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thy 

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> ProofContext.init 

24589  118 
> Proof.theorem_i NONE after_qed' ((map (fn t => [(t, [])]) 
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o maps (mk_prop thy)) insts) 

24218  120 
end; 
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122 
in 

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24589  124 
val instance_arity = 
24218  125 
gen_instance (Logic.mk_arities oo Sign.cert_arity) AxClass.add_arity; 
24589  126 
val classrel = 
24218  127 
gen_instance (single oo (Logic.mk_classrel oo AxClass.cert_classrel)) 
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AxClass.add_classrel I o single; 

24589  129 
val classrel_cmd = 
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gen_instance (single oo (Logic.mk_classrel oo AxClass.read_classrel)) 

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AxClass.add_classrel I o single; 

24218  132 

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end; (*local*) 

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24589  136 
(** explicit constants for overloaded definitions **) 
24304  137 

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structure InstData = TheoryDataFun 

139 
( 

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type T = (string * thm) Symtab.table Symtab.table * (string * string) Symtab.table; 
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(*constant name ~> type constructor ~> (constant name, equation), 
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constant name ~> (constant name, type constructor)*) 
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val empty = (Symtab.empty, Symtab.empty); 
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val copy = I; 
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val extend = I; 

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fun merge _ ((taba1, tabb1), (taba2, tabb2)) = 
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(Symtab.join (K (Symtab.merge (K true))) (taba1, taba2), 
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Symtab.merge (K true) (tabb1, tabb2)); 
24304  149 
); 
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24589  151 
fun inst_thms f thy = (Symtab.fold (Symtab.fold (cons o f o snd o snd) o snd) o fst) 
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(InstData.get thy) []; 

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fun add_inst (c, tyco) inst = (InstData.map o apfst 

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o Symtab.map_default (c, Symtab.empty)) (Symtab.update_new (tyco, inst)) 

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#> (InstData.map o apsnd) (Symtab.update_new (fst inst, (c, tyco))); 
24304  156 

24589  157 
fun unoverload thy = MetaSimplifier.rewrite false (inst_thms I thy); 
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fun overload thy = MetaSimplifier.rewrite false (inst_thms symmetric thy); 

24304  159 

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fun inst_const thy (c, tyco) = 

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(fst o the o Symtab.lookup ((the o Symtab.lookup (fst (InstData.get thy))) c)) tyco; 
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fun unoverload_const thy (c_ty as (c, _)) = 
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case AxClass.class_of_param thy c 
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of SOME class => (case Sign.const_typargs thy c_ty 
24589  165 
of [Type (tyco, _)] => (case Symtab.lookup 
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((the o Symtab.lookup (fst (InstData.get thy))) c) tyco 

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of SOME (c, _) => c 
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 NONE => c) 
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 [_] => c) 
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 NONE => c; 
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val param_const = Symtab.lookup o snd o InstData.get; 
24304  173 

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fun add_inst_def (class, tyco) (c, ty) thy = 

175 
let 

176 
val tyco_base = NameSpace.base tyco; 

177 
val name_inst = NameSpace.base class ^ "_" ^ tyco_base ^ "_inst"; 

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val c_inst_base = NameSpace.base c ^ "_" ^ tyco_base; 

179 
in 

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thy 

181 
> Sign.sticky_prefix name_inst 

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> Sign.declare_const [] (c_inst_base, ty, Syntax.NoSyn) 
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> (fn const as Const (c_inst, _) => 
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PureThy.add_defs_i false 
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[((Thm.def_name c_inst_base, Logic.mk_equals (const, Const (c, ty))), [])] 
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#> (fn [thm] => add_inst (c, tyco) (c_inst, Thm.symmetric thm))) 
24435  187 
> Sign.restore_naming thy 
24304  188 
end; 
189 

190 
fun add_inst_def' (class, tyco) (c, ty) thy = 

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if case Symtab.lookup (fst (InstData.get thy)) c 
24304  192 
of NONE => true 
193 
 SOME tab => is_none (Symtab.lookup tab tyco) 

194 
then add_inst_def (class, tyco) (c, Logic.unvarifyT ty) thy 

195 
else thy; 

196 

197 
fun add_def ((class, tyco), ((name, prop), atts)) thy = 

198 
let 

24589  199 
val ((lhs as Const (c, ty), args), rhs) = 
200 
(apfst Term.strip_comb o Logic.dest_equals) prop; 

24701  201 
fun (*add_inst' def ([], (Const (c_inst, ty))) = 
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if forall (fn TFree _ => true  _ => false) (Sign.const_typargs thy (c_inst, ty)) 
24304  203 
then add_inst (c, tyco) (c_inst, def) 
204 
else add_inst_def (class, tyco) (c, ty) 

24701  205 
*) add_inst' _ t = add_inst_def (class, tyco) (c, ty); 
24304  206 
in 
207 
thy 

208 
> PureThy.add_defs_i true [((name, prop), map (Attrib.attribute thy) atts)] 

209 
> (fn [def] => add_inst' def (args, rhs) #> pair def) 

210 
end; 

211 

212 

24589  213 
(** instances with implicit parameter handling **) 
24218  214 

215 
local 

216 

24707  217 
fun gen_read_def thy prep_att parse_prop ((raw_name, raw_atts), raw_t) = 
24218  218 
let 
24707  219 
val ctxt = ProofContext.init thy; 
220 
val t = parse_prop ctxt raw_t > Syntax.check_prop ctxt; 

24218  221 
val ((c, ty), _) = Sign.cert_def (Sign.pp thy) t; 
222 
val atts = map (prep_att thy) raw_atts; 

223 
val insts = Consts.typargs (Sign.consts_of thy) (c, ty); 

224 
val name = case raw_name 

225 
of "" => NONE 

226 
 _ => SOME raw_name; 

227 
in (c, (insts, ((name, t), atts))) end; 

228 

24707  229 
fun read_def_cmd thy = gen_read_def thy Attrib.intern_src Syntax.parse_prop; 
24218  230 
fun read_def thy = gen_read_def thy (K I) (K I); 
231 

24589  232 
fun gen_instance prep_arity read_def do_proof raw_arities raw_defs after_qed theory = 
24218  233 
let 
234 
val arities = map (prep_arity theory) raw_arities; 

235 
val _ = if null arities then error "at least one arity must be given" else (); 

236 
val _ = case (duplicates (op =) o map #1) arities 

237 
of [] => () 

238 
 dupl_tycos => error ("type constructors occur more than once in arities: " 

239 
^ (commas o map quote) dupl_tycos); 

24836  240 
fun get_remove_constraint c thy = 
241 
let 

242 
val ty = Sign.the_const_constraint thy c; 

243 
in 

244 
thy 

245 
> Sign.add_const_constraint (c, NONE) 

246 
> pair (c, Logic.unvarifyT ty) 

247 
end; 

24218  248 
fun get_consts_class tyco ty class = 
249 
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val cs = (these o try (#params o AxClass.get_info theory)) class; 
24218  251 
val subst_ty = map_type_tfree (K ty); 
252 
in 

24304  253 
map (fn (c, ty) => (c, ((class, tyco), subst_ty ty))) cs 
24218  254 
end; 
255 
fun get_consts_sort (tyco, asorts, sort) = 

256 
let 

24589  257 
val ty = Type (tyco, map (fn (v, sort) => TVar ((v, 0), sort)) 
24847  258 
(Name.names Name.context Name.aT asorts)) 
24731  259 
in maps (get_consts_class tyco ty) (Sign.complete_sort theory sort) end; 
24218  260 
val cs = maps get_consts_sort arities; 
261 
fun mk_typnorm thy (ty, ty_sc) = 

262 
case try (Sign.typ_match thy (Logic.varifyT ty_sc, ty)) Vartab.empty 

263 
of SOME env => SOME (Logic.varifyT #> Envir.typ_subst_TVars env #> Logic.unvarifyT) 

264 
 NONE => NONE; 

265 
fun read_defs defs cs thy_read = 

266 
let 

267 
fun read raw_def cs = 

268 
let 

269 
val (c, (inst, ((name_opt, t), atts))) = read_def thy_read raw_def; 

270 
val ty = Consts.instance (Sign.consts_of thy_read) (c, inst); 

24304  271 
val ((class, tyco), ty') = case AList.lookup (op =) cs c 
24218  272 
of NONE => error ("illegal definition for constant " ^ quote c) 
273 
 SOME class_ty => class_ty; 

274 
val name = case name_opt 

275 
of NONE => Thm.def_name (Logic.name_arity (tyco, [], c)) 

276 
 SOME name => name; 

277 
val t' = case mk_typnorm thy_read (ty', ty) 

278 
of NONE => error ("illegal definition for constant " ^ 

279 
quote (c ^ "::" ^ setmp show_sorts true 

280 
(Sign.string_of_typ thy_read) ty)) 

281 
 SOME norm => map_types norm t 

282 
in (((class, tyco), ((name, t'), atts)), AList.delete (op =) c cs) end; 

283 
in fold_map read defs cs end; 

24304  284 
val (defs, other_cs) = read_defs raw_defs cs 
24218  285 
(fold Sign.primitive_arity arities (Theory.copy theory)); 
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fun after_qed' cs defs = 
24766  287 
fold Sign.add_const_constraint (map (apsnd SOME) cs) 
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#> after_qed defs; 
24218  289 
in 
290 
theory 

24748  291 
> fold_map get_remove_constraint (map fst cs > distinct (op =)) 
24304  292 
>> fold_map add_def defs 
293 
> fold (fn (c, ((class, tyco), ty)) => add_inst_def' (class, tyco) (c, ty)) other_cs 

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> (fn (cs, defs) => do_proof (after_qed' cs defs) arities defs) 
24218  295 
end; 
296 

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fun tactic_proof tac f arities defs = 
24218  298 
fold (fn arity => AxClass.prove_arity arity tac) arities 
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#> f 
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#> pair defs; 
24218  301 

302 
in 

303 

24589  304 
val instance = gen_instance Sign.cert_arity read_def 
305 
(fn f => fn arities => fn defs => instance_arity f arities); 

306 
val instance_cmd = gen_instance Sign.read_arity read_def_cmd 

307 
(fn f => fn arities => fn defs => instance_arity f arities); 

308 
fun prove_instance tac arities defs = 

309 
gen_instance Sign.cert_arity read_def 

310 
(tactic_proof tac) arities defs (K I); 

24218  311 

312 
end; (*local*) 

313 

314 

315 

24589  316 
(** class data **) 
24218  317 

318 
datatype class_data = ClassData of { 

319 
locale: string, 

320 
consts: (string * string) list 

24836  321 
(*locale parameter ~> constant name*), 
24748  322 
local_sort: sort, 
24589  323 
inst: typ Symtab.table * term Symtab.table 
324 
(*canonical interpretation*), 

24657  325 
intro: thm, 
24748  326 
local_syntax: bool, 
24657  327 
defs: thm list, 
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operations: (string * (term * int) option) list, 
24836  329 
(*constant name ~> (locale term, instantiaton index of class typ)*) 
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constraints: (string * typ) list 
24657  331 
}; 
24218  332 

24657  333 
fun rep_class_data (ClassData d) = d; 
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fun mk_class_data ((locale, consts, local_sort, inst, intro, local_syntax), 
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(defs, (operations, constraints))) = 
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ClassData { locale = locale, consts = consts, local_sort = local_sort, inst = inst, 
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intro = intro, local_syntax = local_syntax, defs = defs, operations = operations, 
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constraints = constraints }; 
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339 
fun map_class_data f (ClassData { locale, consts, local_sort, inst, intro, 
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340 
local_syntax, defs, operations, constraints }) = 
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341 
mk_class_data (f ((locale, consts, local_sort, inst, intro, local_syntax), 
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342 
(defs, (operations, constraints)))); 
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343 
fun merge_class_data _ (ClassData { locale = locale, consts = consts, 
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344 
local_sort = local_sort, inst = inst, intro = intro, local_syntax = local_syntax, 
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345 
defs = defs1, operations = operations1, constraints = constraints1 }, 
24748  346 
ClassData { locale = _, consts = _, local_sort = _, inst = _, intro = _, local_syntax = _, 
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347 
defs = defs2, operations = operations2, constraints = constraints2 }) = 
24748  348 
mk_class_data ((locale, consts, local_sort, inst, intro, local_syntax), 
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349 
(Thm.merge_thms (defs1, defs2), 
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350 
(AList.merge (op =) (K true) (operations1, operations2), 
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351 
AList.merge (op =) (K true) (constraints1, constraints2)))); 
24218  352 

353 
fun merge_pair f1 f2 ((x1, y1), (x2, y2)) = (f1 (x1, x2), f2 (y1, y2)); 

354 

355 
structure ClassData = TheoryDataFun 

356 
( 

24657  357 
type T = class_data Graph.T * class Symtab.table 
358 
(*locale name ~> class name*); 

24218  359 
val empty = (Graph.empty, Symtab.empty); 
360 
val copy = I; 

361 
val extend = I; 

24657  362 
fun merge _ = merge_pair (Graph.join merge_class_data) (Symtab.merge (K true)); 
24218  363 
); 
364 

365 

366 
(* queries *) 

367 

24657  368 
val lookup_class_data = Option.map rep_class_data oo try o Graph.get_node 
24589  369 
o fst o ClassData.get; 
24218  370 
fun class_of_locale thy = Symtab.lookup ((snd o ClassData.get) thy); 
371 

24589  372 
fun the_class_data thy class = case lookup_class_data thy class 
373 
of NONE => error ("undeclared class " ^ quote class) 

374 
 SOME data => data; 

24218  375 

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376 
val locale_of_class = #locale oo the_class_data; 
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377 

24218  378 
val ancestry = Graph.all_succs o fst o ClassData.get; 
379 

24435  380 
fun params_of_sort thy = 
24218  381 
let 
382 
fun params class = 

383 
let 

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384 
val const_typs = (#params o AxClass.get_info thy) class; 
24657  385 
val const_names = (#consts o the_class_data thy) class; 
24218  386 
in 
387 
(map o apsnd) (fn c => (c, (the o AList.lookup (op =) const_typs) c)) const_names 

388 
end; 

389 
in maps params o ancestry thy end; 

390 

24657  391 
fun these_defs thy = maps (these o Option.map #defs o lookup_class_data thy) o ancestry thy; 
24218  392 

393 
fun these_intros thy = 

24657  394 
Graph.fold (fn (_, (data, _)) => insert Thm.eq_thm ((#intro o rep_class_data) data)) 
24218  395 
((fst o ClassData.get) thy) []; 
396 

24836  397 
fun these_operations thy = 
398 
maps (#operations o the_class_data thy) o ancestry thy; 

24657  399 

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400 
fun these_constraints thy = 
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401 
maps (#constraints o the_class_data thy) o ancestry thy; 
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402 

24836  403 
fun local_operation thy = Option.join oo AList.lookup (op =) o these_operations thy; 
24657  404 

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405 
fun sups_local_sort thy sort = 
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406 
let 
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407 
val sups = filter (is_some o lookup_class_data thy) sort 
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408 
> Sign.minimize_sort thy; 
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409 
val local_sort = case sups 
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410 
of sup :: _ => #local_sort (the_class_data thy sup) 
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411 
 [] => sort; 
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412 
in (sups, local_sort) end; 
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413 

24836  414 
fun local_syntax thy = #local_syntax o the_class_data thy; 
24748  415 

24218  416 
fun print_classes thy = 
417 
let 

24920  418 
val ctxt = ProofContext.init thy; 
419 

24218  420 
val algebra = Sign.classes_of thy; 
421 
val arities = 

422 
Symtab.empty 

423 
> Symtab.fold (fn (tyco, arities) => fold (fn (class, _) => 

424 
Symtab.map_default (class, []) (insert (op =) tyco)) arities) 

425 
((#arities o Sorts.rep_algebra) algebra); 

426 
val the_arities = these o Symtab.lookup arities; 

427 
fun mk_arity class tyco = 

428 
let 

429 
val Ss = Sorts.mg_domain algebra tyco [class]; 

24920  430 
in Syntax.pretty_arity ctxt (tyco, Ss, [class]) end; 
24218  431 
fun mk_param (c, ty) = Pretty.str (Sign.extern_const thy c ^ " :: " 
24920  432 
^ setmp show_sorts false (Syntax.string_of_typ ctxt o Type.strip_sorts) ty); 
24218  433 
fun mk_entry class = (Pretty.block o Pretty.fbreaks o map_filter I) [ 
434 
(SOME o Pretty.str) ("class " ^ class ^ ":"), 

435 
(SOME o Pretty.block) [Pretty.str "supersort: ", 

24920  436 
(Syntax.pretty_sort ctxt o Sign.minimize_sort thy o Sign.super_classes thy) class], 
24657  437 
Option.map (Pretty.str o prefix "locale: " o #locale) (lookup_class_data thy class), 
24218  438 
((fn [] => NONE  ps => (SOME o Pretty.block o Pretty.fbreaks) (Pretty.str "parameters:" :: ps)) o map mk_param 
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439 
o these o Option.map #params o try (AxClass.get_info thy)) class, 
24218  440 
(SOME o Pretty.block o Pretty.breaks) [ 
441 
Pretty.str "instances:", 

442 
Pretty.list "" "" (map (mk_arity class) (the_arities class)) 

443 
] 

444 
] 

445 
in 

24589  446 
(Pretty.writeln o Pretty.chunks o separate (Pretty.str "") 
447 
o map mk_entry o Sorts.all_classes) algebra 

24218  448 
end; 
449 

450 

451 
(* updaters *) 

452 

24748  453 
fun add_class_data ((class, superclasses), (locale, consts, local_sort, inst, intro, local_syntax)) = 
24218  454 
ClassData.map (fn (gr, tab) => ( 
455 
gr 

24914
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456 
> Graph.new_node (class, mk_class_data ((locale, (map o pairself) fst consts, 
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457 
local_sort, inst, intro, local_syntax), 
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458 
([], (map (apfst fst o apsnd (SOME o rpair 0 o Free) o swap) consts, map snd consts)))) 
24218  459 
> fold (curry Graph.add_edge class) superclasses, 
460 
tab 

461 
> Symtab.update (locale, class) 

462 
)); 

463 

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464 
fun register_const class (entry, def) = 
24657  465 
(ClassData.map o apfst o Graph.map_node class o map_class_data o apsnd) 
24914
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466 
(fn (defs, (operations, constraints)) => 
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467 
(def :: defs, (apsnd (SOME o snd) entry :: operations, apsnd fst entry :: constraints))); 
24836  468 

24914
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469 
fun register_abbrev class (abbrev, ty) = 
24836  470 
(ClassData.map o apfst o Graph.map_node class o map_class_data o apsnd o apsnd) 
24914
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471 
(fn (operations, constraints) => ((abbrev, NONE) :: operations, (abbrev, ty) :: constraints)); 
24218  472 

24589  473 

474 
(** rule calculation, tactics and methods **) 

475 

476 
fun class_intro thy locale class sups = 

477 
let 

478 
fun class_elim class = 

24930
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479 
case (map Drule.unconstrainTs o #axioms o AxClass.get_info thy) class 
24589  480 
of [thm] => SOME thm 
481 
 [] => NONE; 

482 
val pred_intro = case Locale.intros thy locale 

483 
of ([ax_intro], [intro]) => intro > OF_LAST ax_intro > SOME 

484 
 ([intro], []) => SOME intro 

485 
 ([], [intro]) => SOME intro 

486 
 _ => NONE; 

487 
val pred_intro' = pred_intro 

488 
> Option.map (fn intro => intro OF map_filter class_elim sups); 

24930
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489 
val class_intro = (#intro o AxClass.get_info thy) class; 
24589  490 
val raw_intro = case pred_intro' 
491 
of SOME pred_intro => class_intro > OF_LAST pred_intro 

492 
 NONE => class_intro; 

493 
val sort = Sign.super_classes thy class; 

24847  494 
val typ = TVar ((Name.aT, 0), sort); 
24589  495 
val defs = these_defs thy sups; 
496 
in 

497 
raw_intro 

498 
> Drule.instantiate' [SOME (Thm.ctyp_of thy typ)] [] 

499 
> strip_all_ofclass thy sort 

500 
> Thm.strip_shyps 

501 
> MetaSimplifier.rewrite_rule defs 

502 
> Drule.unconstrainTs 

503 
end; 

504 

505 
fun class_interpretation class facts defs thy = 

506 
let 

24657  507 
val { locale, inst, ... } = the_class_data thy class; 
24589  508 
val tac = (ALLGOALS o ProofContext.fact_tac) facts; 
509 
val prfx = Logic.const_of_class (NameSpace.base class); 

510 
in 

511 
prove_interpretation tac ((false, prfx), []) (Locale.Locale locale) 

512 
(inst, defs) thy 

513 
end; 

514 

515 
fun interpretation_in_rule thy (class1, class2) = 

516 
let 

517 
fun mk_axioms class = 

518 
let 

24657  519 
val { locale, inst = (_, insttab), ... } = the_class_data thy class; 
24589  520 
in 
521 
Locale.global_asms_of thy locale 

522 
> maps snd 

523 
> (map o map_aterms) (fn Free (s, _) => (the o Symtab.lookup insttab) s  t => t) 

24847  524 
> (map o map_types o map_atyps) (fn TFree _ => TFree (Name.aT, [class1])  T => T) 
24589  525 
> map (ObjectLogic.ensure_propT thy) 
526 
end; 

527 
val (prems, concls) = pairself mk_axioms (class1, class2); 

528 
in 

529 
Goal.prove_global thy [] prems (Logic.mk_conjunction_list concls) 

530 
(Locale.intro_locales_tac true (ProofContext.init thy)) 

531 
end; 

24218  532 

533 
fun intro_classes_tac facts st = 

534 
let 

535 
val thy = Thm.theory_of_thm st; 

536 
val classes = Sign.all_classes thy; 

537 
val class_trivs = map (Thm.class_triv thy) classes; 

538 
val class_intros = these_intros thy; 

24930
cc2e0e8c81af
renamed AxClass.get_definition to AxClass.get_info (again);
wenzelm
parents:
24920
diff
changeset

539 
val axclass_intros = map_filter (try (#intro o AxClass.get_info thy)) classes; 
24218  540 
in 
24930
cc2e0e8c81af
renamed AxClass.get_definition to AxClass.get_info (again);
wenzelm
parents:
24920
diff
changeset

541 
(ALLGOALS (Method.insert_tac facts THEN' 
cc2e0e8c81af
renamed AxClass.get_definition to AxClass.get_info (again);
wenzelm
parents:
24920
diff
changeset

542 
REPEAT_ALL_NEW (resolve_tac (class_trivs @ class_intros @ axclass_intros))) 
cc2e0e8c81af
renamed AxClass.get_definition to AxClass.get_info (again);
wenzelm
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24920
diff
changeset

543 
THEN Tactic.distinct_subgoals_tac) st 
24218  544 
end; 
545 

546 
fun default_intro_classes_tac [] = intro_classes_tac [] 

24930
cc2e0e8c81af
renamed AxClass.get_definition to AxClass.get_info (again);
wenzelm
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diff
changeset

547 
 default_intro_classes_tac _ = no_tac; 
24218  548 

549 
fun default_tac rules ctxt facts = 

550 
HEADGOAL (Method.some_rule_tac rules ctxt facts) ORELSE 

551 
default_intro_classes_tac facts; 

552 

553 
val _ = Context.add_setup (Method.add_methods 

554 
[("intro_classes", Method.no_args (Method.METHOD intro_classes_tac), 

555 
"backchain introduction rules of classes"), 

556 
("default", Method.thms_ctxt_args (Method.METHOD oo default_tac), 

557 
"apply some intro/elim rule")]); 

558 

559 

24589  560 
(** classes and class target **) 
24218  561 

24901
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diff
changeset

562 
(* class context initialization *) 
24748  563 

24914
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haftmann
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changeset

564 
fun remove_constraint local_sort c ctxt = 
95cda5dd58d5
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diff
changeset

565 
let 
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diff
changeset

566 
val ty = ProofContext.the_const_constraint ctxt c; 
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diff
changeset

567 
val ty' = map_atyps (fn ty as TFree (v, _) => if v = Name.aT 
95cda5dd58d5
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haftmann
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diff
changeset

568 
then TFree (v, local_sort) else ty  ty => ty) ty; 
95cda5dd58d5
added proper subclass concept; improved class target
haftmann
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24901
diff
changeset

569 
in 
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haftmann
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diff
changeset

570 
ctxt 
95cda5dd58d5
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diff
changeset

571 
> ProofContext.add_const_constraint (c, SOME ty') 
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diff
changeset

572 
end; 
95cda5dd58d5
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haftmann
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diff
changeset

573 

95cda5dd58d5
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haftmann
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diff
changeset

574 
fun sort_term_check sups local_sort ts ctxt = 
24748  575 
let 
24901
d3cbf79769b9
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haftmann
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diff
changeset

576 
val thy = ProofContext.theory_of ctxt; 
d3cbf79769b9
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haftmann
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diff
changeset

577 
val local_operation = local_operation thy sups; 
24914
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haftmann
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diff
changeset

578 
val constraints = these_constraints thy sups; 
24901
d3cbf79769b9
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haftmann
parents:
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diff
changeset

579 
val consts = ProofContext.consts_of ctxt; 
d3cbf79769b9
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haftmann
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diff
changeset

580 
fun check_typ (c, ty) (t', idx) = case nth (Consts.typargs consts (c, ty)) idx 
d3cbf79769b9
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haftmann
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diff
changeset

581 
of TFree (v, _) => if v = Name.aT 
d3cbf79769b9
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haftmann
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diff
changeset

582 
then apfst (AList.update (op =) ((c, ty), t')) else I 
d3cbf79769b9
added first version of userspace type system for class target
haftmann
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diff
changeset

583 
 TVar (vi, _) => if TypeInfer.is_param vi 
d3cbf79769b9
added first version of userspace type system for class target
haftmann
parents:
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diff
changeset

584 
then apfst (AList.update (op =) ((c, ty), t')) 
d3cbf79769b9
added first version of userspace type system for class target
haftmann
parents:
24847
diff
changeset

585 
#> apsnd (insert (op =) vi) else I 
d3cbf79769b9
added first version of userspace type system for class target
haftmann
parents:
24847
diff
changeset

586 
 _ => I; 
d3cbf79769b9
added first version of userspace type system for class target
haftmann
parents:
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diff
changeset

587 
fun add_const (Const (c, ty)) = (case local_operation c 
d3cbf79769b9
added first version of userspace type system for class target
haftmann
parents:
24847
diff
changeset

588 
of SOME (t', idx) => check_typ (c, ty) (t', idx) 
d3cbf79769b9
added first version of userspace type system for class target
haftmann
parents:
24847
diff
changeset

589 
 NONE => I) 
d3cbf79769b9
added first version of userspace type system for class target
haftmann
parents:
24847
diff
changeset

590 
 add_const _ = I; 
d3cbf79769b9
added first version of userspace type system for class target
haftmann
parents:
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diff
changeset

591 
val (cs, typarams) = (fold o fold_aterms) add_const ts ([], []); 
d3cbf79769b9
added first version of userspace type system for class target
haftmann
parents:
24847
diff
changeset

592 
val ts' = map (map_aterms 
d3cbf79769b9
added first version of userspace type system for class target
haftmann
parents:
24847
diff
changeset

593 
(fn t as Const (c, ty) => the_default t (AList.lookup (op =) cs (c, ty))  t => t) 
d3cbf79769b9
added first version of userspace type system for class target
haftmann
parents:
24847
diff
changeset

594 
#> (map_types o map_type_tvar) (fn var as (vi, _) => if member (op =) typarams vi 
d3cbf79769b9
added first version of userspace type system for class target
haftmann
parents:
24847
diff
changeset

595 
then TFree (Name.aT, local_sort) else TVar var)) ts; 
d3cbf79769b9
added first version of userspace type system for class target
haftmann
parents:
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diff
changeset

596 
val ctxt' = fold (ProofContext.add_const_constraint o apsnd SOME) constraints ctxt; 
d3cbf79769b9
added first version of userspace type system for class target
haftmann
parents:
24847
diff
changeset

597 
in (ts', ctxt') end; 
24748  598 

24914
95cda5dd58d5
added proper subclass concept; improved class target
haftmann
parents:
24901
diff
changeset

599 
fun init_class_ctxt sups local_sort ctxt = 
95cda5dd58d5
added proper subclass concept; improved class target
haftmann
parents:
24901
diff
changeset

600 
let 
95cda5dd58d5
added proper subclass concept; improved class target
haftmann
parents:
24901
diff
changeset

601 
val operations = these_operations (ProofContext.theory_of ctxt) sups; 
95cda5dd58d5
added proper subclass concept; improved class target
haftmann
parents:
24901
diff
changeset

602 
in 
95cda5dd58d5
added proper subclass concept; improved class target
haftmann
parents:
24901
diff
changeset

603 
ctxt 
95cda5dd58d5
added proper subclass concept; improved class target
haftmann
parents:
24901
diff
changeset

604 
> Variable.declare_term 
95cda5dd58d5
added proper subclass concept; improved class target
haftmann
parents:
24901
diff
changeset

605 
(Logic.mk_type (TFree (Name.aT, local_sort))) 
95cda5dd58d5
added proper subclass concept; improved class target
haftmann
parents:
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diff
changeset

606 
> fold (remove_constraint local_sort o fst) operations 
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parents:
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diff
changeset

607 
> Context.proof_map (Syntax.add_term_check 50 "class" 
95cda5dd58d5
added proper subclass concept; improved class target
haftmann
parents:
24901
diff
changeset

608 
(sort_term_check sups local_sort)) 
95cda5dd58d5
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haftmann
parents:
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diff
changeset

609 
end; 
24901
d3cbf79769b9
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haftmann
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diff
changeset

610 

d3cbf79769b9
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diff
changeset

611 
fun init class ctxt = 
24914
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added proper subclass concept; improved class target
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diff
changeset

612 
init_class_ctxt [class] 
95cda5dd58d5
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diff
changeset

613 
((#local_sort o the_class_data (ProofContext.theory_of ctxt)) class) ctxt; 
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diff
changeset

614 

24748  615 

24589  616 
(* class definition *) 
24218  617 

618 
local 

619 

24748  620 
fun gen_class_spec prep_class prep_expr process_expr thy raw_supclasses raw_includes_elems = 
24218  621 
let 
24748  622 
val supclasses = map (prep_class thy) raw_supclasses; 
24901
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diff
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623 
val (sups, local_sort) = sups_local_sort thy supclasses; 
24748  624 
val supsort = Sign.minimize_sort thy supclasses; 
625 
val suplocales = map (Locale.Locale o #locale o the_class_data thy) sups; 

626 
val (raw_elems, includes) = fold_rev (fn Locale.Elem e => apfst (cons e) 

627 
 Locale.Expr i => apsnd (cons (prep_expr thy i))) raw_includes_elems ([], []); 

628 
val supexpr = Locale.Merge suplocales; 

629 
val supparams = (map fst o Locale.parameters_of_expr thy) supexpr; 

630 
val supconsts = AList.make (the o AList.lookup (op =) (params_of_sort thy sups)) 

631 
(map fst supparams); 

632 
val mergeexpr = Locale.Merge (suplocales @ includes); 

633 
val constrain = Element.Constrains ((map o apsnd o map_atyps) 

24847  634 
(fn TFree (_, sort) => TFree (Name.aT, sort)) supparams); 
24748  635 
in 
636 
ProofContext.init thy 

637 
> Locale.cert_expr supexpr [constrain] 

638 
> snd 

24914
95cda5dd58d5
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diff
changeset

639 
> init_class_ctxt sups local_sort 
24748  640 
> process_expr Locale.empty raw_elems 
641 
> fst 

24836  642 
> (fn elems => ((((sups, supconsts), (supsort, local_sort, mergeexpr)), 
24748  643 
(*FIXME*) if null includes then constrain :: elems else elems))) 
644 
end; 

645 

646 
val read_class_spec = gen_class_spec Sign.intern_class Locale.intern_expr Locale.read_expr; 

647 
val check_class_spec = gen_class_spec (K I) (K I) Locale.cert_expr; 

648 

24968
f9bafc868847
replaced Sign.add_consts_authentic by Sign.declare_const;
wenzelm
parents:
24949
diff
changeset

649 

f9bafc868847
replaced Sign.add_consts_authentic by Sign.declare_const;
wenzelm
parents:
24949
diff
changeset

650 
fun define_class_params (name, raw_superclasses) raw_consts raw_dep_axioms other_consts thy = 
f9bafc868847
replaced Sign.add_consts_authentic by Sign.declare_const;
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diff
changeset

651 
let 
f9bafc868847
replaced Sign.add_consts_authentic by Sign.declare_const;
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parents:
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diff
changeset

652 
val superclasses = map (Sign.certify_class thy) raw_superclasses; 
f9bafc868847
replaced Sign.add_consts_authentic by Sign.declare_const;
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parents:
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diff
changeset

653 
val consts = (map o apfst o apsnd) (Sign.certify_typ thy) raw_consts; 
f9bafc868847
replaced Sign.add_consts_authentic by Sign.declare_const;
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parents:
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diff
changeset

654 
fun add_const ((c, ty), syn) = Sign.declare_const [] (c, ty, syn) #>> Term.dest_Const; 
f9bafc868847
replaced Sign.add_consts_authentic by Sign.declare_const;
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parents:
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diff
changeset

655 
fun mk_axioms cs thy = 
f9bafc868847
replaced Sign.add_consts_authentic by Sign.declare_const;
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diff
changeset

656 
raw_dep_axioms thy cs 
f9bafc868847
replaced Sign.add_consts_authentic by Sign.declare_const;
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parents:
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diff
changeset

657 
> (map o apsnd o map) (Sign.cert_prop thy) 
f9bafc868847
replaced Sign.add_consts_authentic by Sign.declare_const;
wenzelm
parents:
24949
diff
changeset

658 
> rpair thy; 
f9bafc868847
replaced Sign.add_consts_authentic by Sign.declare_const;
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parents:
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diff
changeset

659 
fun add_constraint class (c, ty) = 
f9bafc868847
replaced Sign.add_consts_authentic by Sign.declare_const;
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parents:
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diff
changeset

660 
Sign.add_const_constraint (c, SOME 
f9bafc868847
replaced Sign.add_consts_authentic by Sign.declare_const;
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parents:
24949
diff
changeset

661 
(Term.map_type_tfree (fn (v, _) => TFree (v, [class])) ty)); 
f9bafc868847
replaced Sign.add_consts_authentic by Sign.declare_const;
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parents:
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diff
changeset

662 
in 
f9bafc868847
replaced Sign.add_consts_authentic by Sign.declare_const;
wenzelm
parents:
24949
diff
changeset

663 
thy 
f9bafc868847
replaced Sign.add_consts_authentic by Sign.declare_const;
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parents:
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diff
changeset

664 
> Sign.add_path (Logic.const_of_class name) 
f9bafc868847
replaced Sign.add_consts_authentic by Sign.declare_const;
wenzelm
parents:
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diff
changeset

665 
> fold_map add_const consts 
f9bafc868847
replaced Sign.add_consts_authentic by Sign.declare_const;
wenzelm
parents:
24949
diff
changeset

666 
> Sign.restore_naming thy 
f9bafc868847
replaced Sign.add_consts_authentic by Sign.declare_const;
wenzelm
parents:
24949
diff
changeset

667 
> (fn cs => mk_axioms cs 
f9bafc868847
replaced Sign.add_consts_authentic by Sign.declare_const;
wenzelm
parents:
24949
diff
changeset

668 
#> (fn axioms_prop => AxClass.define_class (name, superclasses) 
f9bafc868847
replaced Sign.add_consts_authentic by Sign.declare_const;
wenzelm
parents:
24949
diff
changeset

669 
(map fst cs @ other_consts) axioms_prop 
f9bafc868847
replaced Sign.add_consts_authentic by Sign.declare_const;
wenzelm
parents:
24949
diff
changeset

670 
#> (fn class => `(fn thy => AxClass.get_info thy class) 
f9bafc868847
replaced Sign.add_consts_authentic by Sign.declare_const;
wenzelm
parents:
24949
diff
changeset

671 
#> (fn {axioms, ...} => fold (add_constraint class) cs 
f9bafc868847
replaced Sign.add_consts_authentic by Sign.declare_const;
wenzelm
parents:
24949
diff
changeset

672 
#> pair (class, (cs, axioms)))))) 
f9bafc868847
replaced Sign.add_consts_authentic by Sign.declare_const;
wenzelm
parents:
24949
diff
changeset

673 
end; 
f9bafc868847
replaced Sign.add_consts_authentic by Sign.declare_const;
wenzelm
parents:
24949
diff
changeset

674 

24748  675 
fun gen_class prep_spec prep_param local_syntax bname 
676 
raw_supclasses raw_includes_elems raw_other_consts thy = 

677 
let 

24836  678 
val (((sups, supconsts), (supsort, local_sort, mergeexpr)), elems) = 
24748  679 
prep_spec thy raw_supclasses raw_includes_elems; 
24968
f9bafc868847
replaced Sign.add_consts_authentic by Sign.declare_const;
wenzelm
parents:
24949
diff
changeset

680 
val other_consts = map (tap (Sign.the_const_type thy) o prep_param thy) raw_other_consts; 
24589  681 
fun mk_instT class = Symtab.empty 
24847  682 
> Symtab.update (Name.aT, TFree (Name.aT, [class])); 
24589  683 
fun mk_inst class param_names cs = 
684 
Symtab.empty 

685 
> fold2 (fn v => fn (c, ty) => Symtab.update (v, Const 

686 
(c, Term.map_type_tfree (fn (v, _) => TFree (v, [class])) ty))) param_names cs; 

24218  687 
fun extract_params thy name_locale = 
688 
let 

689 
val params = Locale.parameters_of thy name_locale; 

24748  690 
val _ = if Sign.subsort thy (supsort, local_sort) then () else error 
691 
("Sort " ^ Sign.string_of_sort thy local_sort 

692 
^ " is less general than permitted least general sort " 

693 
^ Sign.string_of_sort thy supsort); 

24218  694 
in 
24901
d3cbf79769b9
added first version of userspace type system for class target
haftmann
parents:
24847
diff
changeset

695 
(map fst params, params 
24847  696 
> (map o apfst o apsnd o Term.map_type_tfree) (K (TFree (Name.aT, local_sort))) 
24901
d3cbf79769b9
added first version of userspace type system for class target
haftmann
parents:
24847
diff
changeset

697 
> (map o apsnd) (fork_mixfix true (SOME "") #> fst) 
24218  698 
> chop (length supconsts) 
24901
d3cbf79769b9
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haftmann
parents:
24847
diff
changeset

699 
> snd) 
24218  700 
end; 
701 
fun extract_assumes name_locale params thy cs = 

702 
let 

703 
val consts = supconsts @ (map (fst o fst) params ~~ cs); 

704 
fun subst (Free (c, ty)) = 

705 
Const ((fst o the o AList.lookup (op =) consts) c, ty) 

706 
 subst t = t; 

707 
fun prep_asm ((name, atts), ts) = 

708 
((NameSpace.base name, map (Attrib.attribute thy) atts), 

24589  709 
(map o map_aterms) subst ts); 
24218  710 
in 
711 
Locale.global_asms_of thy name_locale 

712 
> map prep_asm 

713 
end; 

714 
fun note_intro name_axclass class_intro = 

715 
PureThy.note_thmss_qualified "" ((Logic.const_of_class o NameSpace.base) name_axclass) 

716 
[(("intro", []), [([class_intro], [])])] 

717 
#> snd 

718 
in 

719 
thy 

24748  720 
> Locale.add_locale_i (SOME "") bname mergeexpr elems 
24218  721 
> (fn name_locale => ProofContext.theory_result ( 
722 
`(fn thy => extract_params thy name_locale) 

24901
d3cbf79769b9
added first version of userspace type system for class target
haftmann
parents:
24847
diff
changeset

723 
#> (fn (globals, params) => 
24968
f9bafc868847
replaced Sign.add_consts_authentic by Sign.declare_const;
wenzelm
parents:
24949
diff
changeset

724 
define_class_params (bname, supsort) params 
24589  725 
(extract_assumes name_locale params) other_consts 
726 
#> (fn (name_axclass, (consts, axioms)) => 

24218  727 
`(fn thy => class_intro thy name_locale name_axclass sups) 
728 
#> (fn class_intro => 

729 
add_class_data ((name_axclass, sups), 

24914
95cda5dd58d5
added proper subclass concept; improved class target
haftmann
parents:
24901
diff
changeset

730 
(name_locale, map fst params ~~ consts, local_sort, 
24657  731 
(mk_instT name_axclass, mk_inst name_axclass (map fst globals) 
24748  732 
(map snd supconsts @ consts)), class_intro, local_syntax)) 
24218  733 
#> note_intro name_axclass class_intro 
24589  734 
#> class_interpretation name_axclass axioms [] 
24218  735 
#> pair name_axclass 
736 
))))) 

737 
end; 

738 

739 
in 

740 

24968
f9bafc868847
replaced Sign.add_consts_authentic by Sign.declare_const;
wenzelm
parents:
24949
diff
changeset

741 
val class_cmd = gen_class read_class_spec ((#1 o Term.dest_Const) oo Sign.read_const); 
24748  742 
val class = gen_class check_class_spec (K I); 
24218  743 

744 
end; (*local*) 

745 

746 

24589  747 
(* definition in class target *) 
24218  748 

749 
fun export_fixes thy class = 

750 
let 

24435  751 
val consts = params_of_sort thy [class]; 
24218  752 
fun subst_aterm (t as Free (v, ty)) = (case AList.lookup (op =) consts v 
753 
of SOME (c, _) => Const (c, ty) 

754 
 NONE => t) 

755 
 subst_aterm t = t; 

24657  756 
in Term.map_aterms subst_aterm end; 
24218  757 

24901
d3cbf79769b9
added first version of userspace type system for class target
haftmann
parents:
24847
diff
changeset

758 
fun mk_operation_entry thy (c, rhs) = 
d3cbf79769b9
added first version of userspace type system for class target
haftmann
parents:
24847
diff
changeset

759 
let 
24914
95cda5dd58d5
added proper subclass concept; improved class target
haftmann
parents:
24901
diff
changeset

760 
val ty = fastype_of rhs; 
95cda5dd58d5
added proper subclass concept; improved class target
haftmann
parents:
24901
diff
changeset

761 
val typargs = Sign.const_typargs thy (c, ty); 
24901
d3cbf79769b9
added first version of userspace type system for class target
haftmann
parents:
24847
diff
changeset

762 
val typidx = find_index (fn TFree (w, _) => Name.aT = w  _ => false) typargs; 
24914
95cda5dd58d5
added proper subclass concept; improved class target
haftmann
parents:
24901
diff
changeset

763 
in (c, (ty, (rhs, typidx))) end; 
24901
d3cbf79769b9
added first version of userspace type system for class target
haftmann
parents:
24847
diff
changeset

764 

24218  765 
fun add_const_in_class class ((c, rhs), syn) thy = 
766 
let 

767 
val prfx = (Logic.const_of_class o NameSpace.base) class; 

24657  768 
fun mk_name c = 
24218  769 
let 
770 
val n1 = Sign.full_name thy c; 

771 
val n2 = NameSpace.qualifier n1; 

772 
val n3 = NameSpace.base n1; 

24657  773 
in NameSpace.implode [n2, prfx, n3] end; 
774 
val constrain_sort = curry (Sorts.inter_sort (Sign.classes_of thy)) [class]; 

24748  775 
val rhs' = export_fixes thy class rhs; 
24657  776 
val subst_typ = Term.map_type_tfree (fn var as (w, sort) => 
24847  777 
if w = Name.aT then TFree (w, constrain_sort sort) else TFree var); 
24218  778 
val ty' = Term.fastype_of rhs'; 
24657  779 
val ty'' = subst_typ ty'; 
780 
val c' = mk_name c; 

781 
val def = (c, Logic.mk_equals (Const (c', ty'), rhs')); 

24901
d3cbf79769b9
added first version of userspace type system for class target
haftmann
parents:
24847
diff
changeset

782 
val (syn', _) = fork_mixfix true (SOME class) syn; 
24657  783 
fun interpret def thy = 
24218  784 
let 
24589  785 
val def' = symmetric def; 
24218  786 
val def_eq = Thm.prop_of def'; 
24901
d3cbf79769b9
added first version of userspace type system for class target
haftmann
parents:
24847
diff
changeset

787 
val entry = mk_operation_entry thy (c', rhs); 
24218  788 
in 
24657  789 
thy 
790 
> class_interpretation class [def'] [def_eq] 

24901
d3cbf79769b9
added first version of userspace type system for class target
haftmann
parents:
24847
diff
changeset

791 
> register_const class (entry, def') 
24218  792 
end; 
793 
in 

794 
thy 

795 
> Sign.add_path prfx 

24968
f9bafc868847
replaced Sign.add_consts_authentic by Sign.declare_const;
wenzelm
parents:
24949
diff
changeset

796 
> Sign.declare_const [] (c, ty', syn') > snd 
24218  797 
> Sign.parent_path 
798 
> Sign.sticky_prefix prfx 

799 
> PureThy.add_defs_i false [(def, [])] 

800 
> (fn [def] => interpret def) 

24766  801 
> Sign.add_const_constraint (c', SOME ty'') 
24218  802 
> Sign.restore_naming thy 
24914
95cda5dd58d5
added proper subclass concept; improved class target
haftmann
parents:
24901
diff
changeset

803 
> pair c' 
24218  804 
end; 
805 

24901
d3cbf79769b9
added first version of userspace type system for class target
haftmann
parents:
24847
diff
changeset

806 

d3cbf79769b9
added first version of userspace type system for class target
haftmann
parents:
24847
diff
changeset

807 
(* abbreviation in class target *) 
d3cbf79769b9
added first version of userspace type system for class target
haftmann
parents:
24847
diff
changeset

808 

d3cbf79769b9
added first version of userspace type system for class target
haftmann
parents:
24847
diff
changeset

809 
fun add_abbrev_in_class class prmode ((c, rhs), syn) thy = 
24836  810 
let 
24901
d3cbf79769b9
added first version of userspace type system for class target
haftmann
parents:
24847
diff
changeset

811 
val prfx = (Logic.const_of_class o NameSpace.base) class; 
d3cbf79769b9
added first version of userspace type system for class target
haftmann
parents:
24847
diff
changeset

812 
fun mk_name c = 
d3cbf79769b9
added first version of userspace type system for class target
haftmann
parents:
24847
diff
changeset

813 
let 
d3cbf79769b9
added first version of userspace type system for class target
haftmann
parents:
24847
diff
changeset

814 
val n1 = Sign.full_name thy c; 
d3cbf79769b9
added first version of userspace type system for class target
haftmann
parents:
24847
diff
changeset

815 
val n2 = NameSpace.qualifier n1; 
d3cbf79769b9
added first version of userspace type system for class target
haftmann
parents:
24847
diff
changeset

816 
val n3 = NameSpace.base n1; 
d3cbf79769b9
added first version of userspace type system for class target
haftmann
parents:
24847
diff
changeset

817 
in NameSpace.implode [n2, prfx, prfx, n3] end; 
d3cbf79769b9
added first version of userspace type system for class target
haftmann
parents:
24847
diff
changeset

818 
val c' = mk_name c; 
d3cbf79769b9
added first version of userspace type system for class target
haftmann
parents:
24847
diff
changeset

819 
val rhs' = export_fixes thy class rhs; 
d3cbf79769b9
added first version of userspace type system for class target
haftmann
parents:
24847
diff
changeset

820 
val ty' = fastype_of rhs'; 
24836  821 
in 
822 
thy 

24949  823 
> Sign.notation true prmode [(Const (c', ty'), syn)] 
24914
95cda5dd58d5
added proper subclass concept; improved class target
haftmann
parents:
24901
diff
changeset

824 
> register_abbrev class (c', ty') 
95cda5dd58d5
added proper subclass concept; improved class target
haftmann
parents:
24901
diff
changeset

825 
> pair c' 
24836  826 
end; 
827 

24218  828 
end; 