author  haftmann 
Mon, 26 Jan 2009 22:14:19 +0100  
changeset 29632  c3d576157244 
parent 29627  152ace41f3fb 
child 29665  2b956243d123 
permissions  rwrr 
29358  1 
(* Title: Pure/Isar/ML 
24218  2 
Author: Florian Haftmann, TU Muenchen 
3 

29575
41d604e59e93
improved and corrected reading of class specs  still draft version
haftmann
parents:
29558
diff
changeset

4 
Type classes derived from primitive axclasses and locales  interfaces. 
24218  5 
*) 
6 

7 
signature CLASS = 

8 
sig 

29358  9 
include CLASS_TARGET 
29439  10 
(*FIXME the split into class_target.ML, theory_target.ML and 
11 
class.ML is artificial*) 

29358  12 

26247  13 
val class: bstring > class list > Element.context_i list 
29378  14 
> theory > string * local_theory 
26247  15 
val class_cmd: bstring > xstring list > Element.context list 
29378  16 
> theory > string * local_theory 
29358  17 
val prove_subclass: tactic > class > local_theory > local_theory 
18 
val subclass: class > local_theory > Proof.state 

19 
val subclass_cmd: xstring > local_theory > Proof.state 

24218  20 
end; 
21 

22 
structure Class : CLASS = 

23 
struct 

24 

29358  25 
open Class_Target; 
28715
238f9966c80e
class morphism stemming from locale interpretation
haftmann
parents:
28674
diff
changeset

26 

29358  27 
(** define classes **) 
24218  28 

29 
local 

30 

29547  31 
fun calculate thy class sups base_sort param_map assm_axiom = 
32 
let 

33 
val empty_ctxt = ProofContext.init thy; 

34 

35 
(* instantiation of canonical interpretation *) 

29575
41d604e59e93
improved and corrected reading of class specs  still draft version
haftmann
parents:
29558
diff
changeset

36 
val aT = TFree (Name.aT, base_sort); 
29627  37 
val param_map_const = (map o apsnd) Const param_map; 
38 
val param_map_inst = (map o apsnd) 

39 
(Const o apsnd (map_atyps (K aT))) param_map; 

40 
val const_morph = Element.inst_morphism thy 

41 
(Symtab.empty, Symtab.make param_map_inst); 

29547  42 
val (([props], [(_, inst_morph)], export_morph), _) = empty_ctxt 
43 
> Expression.cert_goal_expression ([(class, (("", false), 

29627  44 
Expression.Named param_map_const))], []); 
29547  45 

46 
(* witness for canonical interpretation *) 

47 
val prop = try the_single props; 

48 
val wit = Option.map (fn prop => let 

49 
val sup_axioms = map_filter (fst o rules thy) sups; 

50 
val loc_intro_tac = case Locale.intros_of thy class 

51 
of (_, NONE) => all_tac 

52 
 (_, SOME intro) => ALLGOALS (Tactic.rtac intro); 

53 
val tac = loc_intro_tac 

54 
THEN ALLGOALS (ProofContext.fact_tac (sup_axioms @ the_list assm_axiom)) 

55 
in Element.prove_witness empty_ctxt prop tac end) prop; 

56 
val axiom = Option.map Element.conclude_witness wit; 

57 

58 
(* canonical interpretation *) 

59 
val base_morph = inst_morph 

60 
$> Morphism.binding_morphism 

61 
(Binding.add_prefix false (class_prefix class)) 

62 
$> Element.satisfy_morphism (the_list wit); 

63 
val defs = these_defs thy sups; 

64 
val eq_morph = Element.eq_morphism thy defs; 

65 
val morph = base_morph $> eq_morph; 

66 

67 
(* assm_intro *) 

68 
fun prove_assm_intro thm = 

69 
let 

29627  70 
val ((_, [thm']), _) = Variable.import_thms true [thm] empty_ctxt; 
71 
val thm'' = Morphism.thm (const_morph $> eq_morph) thm'; 

72 
val tac = ALLGOALS (ProofContext.fact_tac [thm'']); 

73 
in Goal.prove_global thy [] [] (Thm.prop_of thm'') (K tac) end; 

29547  74 
val assm_intro = Option.map prove_assm_intro 
75 
(fst (Locale.intros_of thy class)); 

76 

77 
(* of_class *) 

78 
val of_class_prop_concl = Logic.mk_inclass (aT, class); 

79 
val of_class_prop = case prop of NONE => of_class_prop_concl 

29627  80 
 SOME prop => Logic.mk_implies (Morphism.term const_morph 
81 
((map_types o map_atyps) (K aT) prop), of_class_prop_concl); 

29547  82 
val sup_of_classes = map (snd o rules thy) sups; 
83 
val loc_axiom_intros = map Drule.standard' (Locale.axioms_of thy class); 

84 
val axclass_intro = #intro (AxClass.get_info thy class); 

85 
val base_sort_trivs = Drule.sort_triv thy (aT, base_sort); 

86 
val tac = REPEAT (SOMEGOAL 

87 
(Tactic.match_tac (axclass_intro :: sup_of_classes 

88 
@ loc_axiom_intros @ base_sort_trivs) 

89 
ORELSE' Tactic.assume_tac)); 

90 
val of_class = Goal.prove_global thy [] [] of_class_prop (K tac); 

91 

92 
in (base_morph, morph, export_morph, axiom, assm_intro, of_class) end; 

93 

29632
c3d576157244
fixed reading of class specs: declare class operations in context
haftmann
parents:
29627
diff
changeset

94 
val reject_bcd_etc = (map o map_atyps) (fn T as TFree (v, sort) => 
c3d576157244
fixed reading of class specs: declare class operations in context
haftmann
parents:
29627
diff
changeset

95 
if v = Name.aT then T 
c3d576157244
fixed reading of class specs: declare class operations in context
haftmann
parents:
29627
diff
changeset

96 
else error ("No type variable other than " ^ Name.aT ^ " allowed in class specification") 
c3d576157244
fixed reading of class specs: declare class operations in context
haftmann
parents:
29627
diff
changeset

97 
 T => T); 
c3d576157244
fixed reading of class specs: declare class operations in context
haftmann
parents:
29627
diff
changeset

98 

c3d576157244
fixed reading of class specs: declare class operations in context
haftmann
parents:
29627
diff
changeset

99 
fun singleton_fixate thy algebra Ts = 
c3d576157244
fixed reading of class specs: declare class operations in context
haftmann
parents:
29627
diff
changeset

100 
let 
c3d576157244
fixed reading of class specs: declare class operations in context
haftmann
parents:
29627
diff
changeset

101 
fun extract f = (fold o fold_atyps) f Ts []; 
c3d576157244
fixed reading of class specs: declare class operations in context
haftmann
parents:
29627
diff
changeset

102 
val tfrees = extract 
c3d576157244
fixed reading of class specs: declare class operations in context
haftmann
parents:
29627
diff
changeset

103 
(fn TFree (v, sort) => insert (op =) (v, sort)  _ => I); 
c3d576157244
fixed reading of class specs: declare class operations in context
haftmann
parents:
29627
diff
changeset

104 
val inferred_sort = extract 
c3d576157244
fixed reading of class specs: declare class operations in context
haftmann
parents:
29627
diff
changeset

105 
(fn TVar (_, sort) => curry (Sorts.inter_sort algebra) sort  _ => I); 
c3d576157244
fixed reading of class specs: declare class operations in context
haftmann
parents:
29627
diff
changeset

106 
val fixate_sort = if null tfrees then inferred_sort 
c3d576157244
fixed reading of class specs: declare class operations in context
haftmann
parents:
29627
diff
changeset

107 
else let val a_sort = (snd o the_single) tfrees 
c3d576157244
fixed reading of class specs: declare class operations in context
haftmann
parents:
29627
diff
changeset

108 
in if Sorts.sort_le algebra (a_sort, inferred_sort) 
c3d576157244
fixed reading of class specs: declare class operations in context
haftmann
parents:
29627
diff
changeset

109 
then Sorts.inter_sort algebra (a_sort, inferred_sort) 
c3d576157244
fixed reading of class specs: declare class operations in context
haftmann
parents:
29627
diff
changeset

110 
else error ("Type inference imposes additional sort constraint " 
c3d576157244
fixed reading of class specs: declare class operations in context
haftmann
parents:
29627
diff
changeset

111 
^ Syntax.string_of_sort_global thy inferred_sort 
c3d576157244
fixed reading of class specs: declare class operations in context
haftmann
parents:
29627
diff
changeset

112 
^ " of type parameter " ^ Name.aT ^ " of sort " 
c3d576157244
fixed reading of class specs: declare class operations in context
haftmann
parents:
29627
diff
changeset

113 
^ Syntax.string_of_sort_global thy a_sort) 
c3d576157244
fixed reading of class specs: declare class operations in context
haftmann
parents:
29627
diff
changeset

114 
end 
c3d576157244
fixed reading of class specs: declare class operations in context
haftmann
parents:
29627
diff
changeset

115 
in (map o map_atyps) (K (TFree (Name.aT, fixate_sort))) Ts end; 
c3d576157244
fixed reading of class specs: declare class operations in context
haftmann
parents:
29627
diff
changeset

116 

29575
41d604e59e93
improved and corrected reading of class specs  still draft version
haftmann
parents:
29558
diff
changeset

117 
fun add_typ_check level name f = Context.proof_map (Syntax.add_typ_check level name (fn xs => fn ctxt => 
41d604e59e93
improved and corrected reading of class specs  still draft version
haftmann
parents:
29558
diff
changeset

118 
let val xs' = f xs in if eq_list (op =) (xs, xs') then NONE else SOME (xs', ctxt) end)); 
41d604e59e93
improved and corrected reading of class specs  still draft version
haftmann
parents:
29558
diff
changeset

119 

41d604e59e93
improved and corrected reading of class specs  still draft version
haftmann
parents:
29558
diff
changeset

120 
fun add_tfrees_of_element (Element.Fixes fxs) = fold (fn (_, SOME T, _) => Term.add_tfreesT T 
41d604e59e93
improved and corrected reading of class specs  still draft version
haftmann
parents:
29558
diff
changeset

121 
 _ => I) fxs 
41d604e59e93
improved and corrected reading of class specs  still draft version
haftmann
parents:
29558
diff
changeset

122 
 add_tfrees_of_element (Element.Constrains cnstrs) = fold (Term.add_tfreesT o snd) cnstrs 
41d604e59e93
improved and corrected reading of class specs  still draft version
haftmann
parents:
29558
diff
changeset

123 
 add_tfrees_of_element (Element.Assumes assms) = fold (fold (fn (t, ts) => 
41d604e59e93
improved and corrected reading of class specs  still draft version
haftmann
parents:
29558
diff
changeset

124 
Term.add_tfrees t #> fold Term.add_tfrees ts) o snd) assms 
41d604e59e93
improved and corrected reading of class specs  still draft version
haftmann
parents:
29558
diff
changeset

125 
 add_tfrees_of_element _ = I; 
41d604e59e93
improved and corrected reading of class specs  still draft version
haftmann
parents:
29558
diff
changeset

126 

41d604e59e93
improved and corrected reading of class specs  still draft version
haftmann
parents:
29558
diff
changeset

127 
fun fork_syn (Element.Fixes xs) = 
41d604e59e93
improved and corrected reading of class specs  still draft version
haftmann
parents:
29558
diff
changeset

128 
fold_map (fn (c, ty, syn) => cons (Binding.base_name c, syn) #> pair (c, ty, NoSyn)) xs 
41d604e59e93
improved and corrected reading of class specs  still draft version
haftmann
parents:
29558
diff
changeset

129 
#>> Element.Fixes 
41d604e59e93
improved and corrected reading of class specs  still draft version
haftmann
parents:
29558
diff
changeset

130 
 fork_syn x = pair x; 
41d604e59e93
improved and corrected reading of class specs  still draft version
haftmann
parents:
29558
diff
changeset

131 

41d604e59e93
improved and corrected reading of class specs  still draft version
haftmann
parents:
29558
diff
changeset

132 
fun prep_class_spec prep_class prep_decl thy raw_supclasses raw_elems = 
41d604e59e93
improved and corrected reading of class specs  still draft version
haftmann
parents:
29558
diff
changeset

133 
let 
41d604e59e93
improved and corrected reading of class specs  still draft version
haftmann
parents:
29558
diff
changeset

134 
(* prepare import *) 
41d604e59e93
improved and corrected reading of class specs  still draft version
haftmann
parents:
29558
diff
changeset

135 
val inter_sort = curry (Sorts.inter_sort (Sign.classes_of thy)); 
29608  136 
val sups = map (prep_class thy) raw_supclasses 
137 
> Sign.minimize_sort thy; 

138 
val _ = case filter_out (is_class thy) sups 

139 
of [] => () 

140 
 no_classes => error ("These are not classes: " ^ commas (map quote no_classes)); 

141 
val supparams = (map o apsnd) (snd o snd) (these_params thy sups); 

29575
41d604e59e93
improved and corrected reading of class specs  still draft version
haftmann
parents:
29558
diff
changeset

142 
val supparam_names = map fst supparams; 
41d604e59e93
improved and corrected reading of class specs  still draft version
haftmann
parents:
29558
diff
changeset

143 
val _ = if has_duplicates (op =) supparam_names 
41d604e59e93
improved and corrected reading of class specs  still draft version
haftmann
parents:
29558
diff
changeset

144 
then error ("Duplicate parameter(s) in superclasses: " 
41d604e59e93
improved and corrected reading of class specs  still draft version
haftmann
parents:
29558
diff
changeset

145 
^ (commas o map quote o duplicates (op =)) supparam_names) 
41d604e59e93
improved and corrected reading of class specs  still draft version
haftmann
parents:
29558
diff
changeset

146 
else (); 
41d604e59e93
improved and corrected reading of class specs  still draft version
haftmann
parents:
29558
diff
changeset

147 
val supexpr = (map (fn sup => (sup, (("", false), Expression.Positional []))) 
41d604e59e93
improved and corrected reading of class specs  still draft version
haftmann
parents:
29558
diff
changeset

148 
sups, []); 
29608  149 
val given_basesort = fold inter_sort (map (base_sort thy) sups) []; 
29575
41d604e59e93
improved and corrected reading of class specs  still draft version
haftmann
parents:
29558
diff
changeset

150 

41d604e59e93
improved and corrected reading of class specs  still draft version
haftmann
parents:
29558
diff
changeset

151 
(* infer types and base sort *) 
41d604e59e93
improved and corrected reading of class specs  still draft version
haftmann
parents:
29558
diff
changeset

152 
val base_constraints = (map o apsnd) 
41d604e59e93
improved and corrected reading of class specs  still draft version
haftmann
parents:
29558
diff
changeset

153 
(map_type_tfree (K (TVar ((Name.aT, 0), given_basesort))) o fst o snd) 
41d604e59e93
improved and corrected reading of class specs  still draft version
haftmann
parents:
29558
diff
changeset

154 
(these_operations thy sups); 
41d604e59e93
improved and corrected reading of class specs  still draft version
haftmann
parents:
29558
diff
changeset

155 
val ((_, _, inferred_elems), _) = ProofContext.init thy 
41d604e59e93
improved and corrected reading of class specs  still draft version
haftmann
parents:
29558
diff
changeset

156 
> fold (ProofContext.add_const_constraint o apsnd SOME) base_constraints 
29632
c3d576157244
fixed reading of class specs: declare class operations in context
haftmann
parents:
29627
diff
changeset

157 
> redeclare_operations thy sups 
c3d576157244
fixed reading of class specs: declare class operations in context
haftmann
parents:
29627
diff
changeset

158 
> add_typ_check 10 "reject_bcd_etc" reject_bcd_etc 
c3d576157244
fixed reading of class specs: declare class operations in context
haftmann
parents:
29627
diff
changeset

159 
> add_typ_check ~10 "singleton_fixate" (singleton_fixate thy (Sign.classes_of thy)) 
29575
41d604e59e93
improved and corrected reading of class specs  still draft version
haftmann
parents:
29558
diff
changeset

160 
> prep_decl supexpr raw_elems; 
41d604e59e93
improved and corrected reading of class specs  still draft version
haftmann
parents:
29558
diff
changeset

161 
(*FIXME check for *all* side conditions here, extra check function for elements, 
41d604e59e93
improved and corrected reading of class specs  still draft version
haftmann
parents:
29558
diff
changeset

162 
less sidecondition checks in check phase*) 
41d604e59e93
improved and corrected reading of class specs  still draft version
haftmann
parents:
29558
diff
changeset

163 
val base_sort = if null inferred_elems then given_basesort else 
41d604e59e93
improved and corrected reading of class specs  still draft version
haftmann
parents:
29558
diff
changeset

164 
case fold add_tfrees_of_element inferred_elems [] 
41d604e59e93
improved and corrected reading of class specs  still draft version
haftmann
parents:
29558
diff
changeset

165 
of [] => error "No type variable in class specification" 
41d604e59e93
improved and corrected reading of class specs  still draft version
haftmann
parents:
29558
diff
changeset

166 
 [(_, sort)] => sort 
41d604e59e93
improved and corrected reading of class specs  still draft version
haftmann
parents:
29558
diff
changeset

167 
 _ => error "Multiple type variables in class specification" 
41d604e59e93
improved and corrected reading of class specs  still draft version
haftmann
parents:
29558
diff
changeset

168 
val sup_sort = inter_sort base_sort sups 
41d604e59e93
improved and corrected reading of class specs  still draft version
haftmann
parents:
29558
diff
changeset

169 

41d604e59e93
improved and corrected reading of class specs  still draft version
haftmann
parents:
29558
diff
changeset

170 
(* process elements as class specification *) 
41d604e59e93
improved and corrected reading of class specs  still draft version
haftmann
parents:
29558
diff
changeset

171 
val begin_ctxt = begin sups base_sort 
41d604e59e93
improved and corrected reading of class specs  still draft version
haftmann
parents:
29558
diff
changeset

172 
#> fold (Variable.declare_constraints o Free) ((map o apsnd o map_atyps) 
41d604e59e93
improved and corrected reading of class specs  still draft version
haftmann
parents:
29558
diff
changeset

173 
(K (TFree (Name.aT, base_sort))) supparams) 
41d604e59e93
improved and corrected reading of class specs  still draft version
haftmann
parents:
29558
diff
changeset

174 
(*FIXME should constraints be issued in begin?*) 
41d604e59e93
improved and corrected reading of class specs  still draft version
haftmann
parents:
29558
diff
changeset

175 
val ((_, _, syntax_elems), _) = ProofContext.init thy 
41d604e59e93
improved and corrected reading of class specs  still draft version
haftmann
parents:
29558
diff
changeset

176 
> begin_ctxt 
41d604e59e93
improved and corrected reading of class specs  still draft version
haftmann
parents:
29558
diff
changeset

177 
> Expression.cert_declaration supexpr inferred_elems; 
41d604e59e93
improved and corrected reading of class specs  still draft version
haftmann
parents:
29558
diff
changeset

178 
val (elems, global_syntax) = fold_map fork_syn syntax_elems []; 
41d604e59e93
improved and corrected reading of class specs  still draft version
haftmann
parents:
29558
diff
changeset

179 
val constrain = Element.Constrains ((map o apsnd o map_atyps) 
41d604e59e93
improved and corrected reading of class specs  still draft version
haftmann
parents:
29558
diff
changeset

180 
(K (TFree (Name.aT, base_sort))) supparams); 
41d604e59e93
improved and corrected reading of class specs  still draft version
haftmann
parents:
29558
diff
changeset

181 
(*FIXME 2009 perhaps better: control type variable by explicit 
41d604e59e93
improved and corrected reading of class specs  still draft version
haftmann
parents:
29558
diff
changeset

182 
parameter instantiation of import expression*) 
41d604e59e93
improved and corrected reading of class specs  still draft version
haftmann
parents:
29558
diff
changeset

183 
in (((sups, supparam_names), (sup_sort, base_sort, supexpr)), (constrain :: elems, global_syntax)) end; 
41d604e59e93
improved and corrected reading of class specs  still draft version
haftmann
parents:
29558
diff
changeset

184 

41d604e59e93
improved and corrected reading of class specs  still draft version
haftmann
parents:
29558
diff
changeset

185 
val cert_class_spec = prep_class_spec (K I) Expression.cert_declaration; 
41d604e59e93
improved and corrected reading of class specs  still draft version
haftmann
parents:
29558
diff
changeset

186 
val read_class_spec = prep_class_spec Sign.intern_class Expression.cert_read_declaration; 
41d604e59e93
improved and corrected reading of class specs  still draft version
haftmann
parents:
29558
diff
changeset

187 

28715
238f9966c80e
class morphism stemming from locale interpretation
haftmann
parents:
28674
diff
changeset

188 
fun add_consts bname class base_sort sups supparams global_syntax thy = 
24968
f9bafc868847
replaced Sign.add_consts_authentic by Sign.declare_const;
wenzelm
parents:
24949
diff
changeset

189 
let 
29526  190 
(*FIXME 2009 simplify*) 
29509
1ff0f3f08a7b
migrated class package to new locale implementation
haftmann
parents:
29439
diff
changeset

191 
val supconsts = supparams 
26518  192 
> AList.make (snd o the o AList.lookup (op =) (these_params thy sups)) 
25683  193 
> (map o apsnd o apsnd o map_atyps o K o TFree) (Name.aT, [class]); 
29509
1ff0f3f08a7b
migrated class package to new locale implementation
haftmann
parents:
29439
diff
changeset

194 
val all_params = Locale.params_of thy class; 
28715
238f9966c80e
class morphism stemming from locale interpretation
haftmann
parents:
28674
diff
changeset

195 
val raw_params = (snd o chop (length supparams)) all_params; 
29509
1ff0f3f08a7b
migrated class package to new locale implementation
haftmann
parents:
29439
diff
changeset

196 
fun add_const (b, SOME raw_ty, _) thy = 
25683  197 
let 
29509
1ff0f3f08a7b
migrated class package to new locale implementation
haftmann
parents:
29439
diff
changeset

198 
val v = Binding.base_name b; 
28965  199 
val c = Sign.full_bname thy v; 
25683  200 
val ty = map_atyps (K (TFree (Name.aT, base_sort))) raw_ty; 
201 
val ty0 = Type.strip_sorts ty; 

202 
val ty' = map_atyps (K (TFree (Name.aT, [class]))) ty0; 

203 
val syn = (the_default NoSyn o AList.lookup (op =) global_syntax) v; 

204 
in 

205 
thy 

28965  206 
> Sign.declare_const [] ((Binding.name v, ty0), syn) 
25683  207 
> snd 
208 
> pair ((v, ty), (c, ty')) 

209 
end; 

28715
238f9966c80e
class morphism stemming from locale interpretation
haftmann
parents:
28674
diff
changeset

210 
in 
238f9966c80e
class morphism stemming from locale interpretation
haftmann
parents:
28674
diff
changeset

211 
thy 
29547  212 
> Sign.add_path (class_prefix class) 
28715
238f9966c80e
class morphism stemming from locale interpretation
haftmann
parents:
28674
diff
changeset

213 
> fold_map add_const raw_params 
238f9966c80e
class morphism stemming from locale interpretation
haftmann
parents:
28674
diff
changeset

214 
> Sign.restore_naming thy 
238f9966c80e
class morphism stemming from locale interpretation
haftmann
parents:
28674
diff
changeset

215 
> (fn params => pair (supconsts @ (map o apfst) fst params, params)) 
238f9966c80e
class morphism stemming from locale interpretation
haftmann
parents:
28674
diff
changeset

216 
end; 
238f9966c80e
class morphism stemming from locale interpretation
haftmann
parents:
28674
diff
changeset

217 

238f9966c80e
class morphism stemming from locale interpretation
haftmann
parents:
28674
diff
changeset

218 
fun adjungate_axclass bname class base_sort sups supsort supparams global_syntax thy = 
238f9966c80e
class morphism stemming from locale interpretation
haftmann
parents:
28674
diff
changeset

219 
let 
29526  220 
(*FIXME 2009 simplify*) 
25683  221 
fun globalize param_map = map_aterms 
222 
(fn Free (v, ty) => Const ((fst o the o AList.lookup (op =) param_map) v, ty) 

223 
 t => t); 

29509
1ff0f3f08a7b
migrated class package to new locale implementation
haftmann
parents:
29439
diff
changeset

224 
val raw_pred = Locale.intros_of thy class 
25683  225 
> fst 
29509
1ff0f3f08a7b
migrated class package to new locale implementation
haftmann
parents:
29439
diff
changeset

226 
> Option.map (Logic.unvarify o Logic.strip_imp_concl o Thm.prop_of); 
25683  227 
fun get_axiom thy = case (#axioms o AxClass.get_info thy) class 
228 
of [] => NONE 

229 
 [thm] => SOME thm; 

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

230 
in 
f9bafc868847
replaced Sign.add_consts_authentic by Sign.declare_const;
wenzelm
parents:
24949
diff
changeset

231 
thy 
28715
238f9966c80e
class morphism stemming from locale interpretation
haftmann
parents:
28674
diff
changeset

232 
> add_consts bname class base_sort sups supparams global_syntax 
25683  233 
> (fn (param_map, params) => AxClass.define_class (bname, supsort) 
26518  234 
(map (fst o snd) params) 
29526  235 
[((Binding.empty, []), 
29509
1ff0f3f08a7b
migrated class package to new locale implementation
haftmann
parents:
29439
diff
changeset

236 
Option.map (globalize param_map) raw_pred > the_list)] 
25683  237 
#> snd 
238 
#> `get_axiom 

239 
#> (fn assm_axiom => fold (Sign.add_const_constraint o apsnd SOME o snd) params 

29526  240 
#> pair (param_map, params, assm_axiom))) 
24968
f9bafc868847
replaced Sign.add_consts_authentic by Sign.declare_const;
wenzelm
parents:
24949
diff
changeset

241 
end; 
f9bafc868847
replaced Sign.add_consts_authentic by Sign.declare_const;
wenzelm
parents:
24949
diff
changeset

242 

26518  243 
fun gen_class prep_spec bname raw_supclasses raw_elems thy = 
24748  244 
let 
28965  245 
val class = Sign.full_bname thy bname; 
29509
1ff0f3f08a7b
migrated class package to new locale implementation
haftmann
parents:
29439
diff
changeset

246 
val (((sups, supparams), (supsort, base_sort, supexpr)), (elems, global_syntax)) = 
26247  247 
prep_spec thy raw_supclasses raw_elems; 
24218  248 
in 
249 
thy 

29509
1ff0f3f08a7b
migrated class package to new locale implementation
haftmann
parents:
29439
diff
changeset

250 
> Expression.add_locale bname "" supexpr elems 
1ff0f3f08a7b
migrated class package to new locale implementation
haftmann
parents:
29439
diff
changeset

251 
> snd > LocalTheory.exit_global 
26518  252 
> adjungate_axclass bname class base_sort sups supsort supparams global_syntax 
29526  253 
> (fn (param_map, params, assm_axiom) => 
29547  254 
`(fn thy => calculate thy class sups base_sort param_map assm_axiom) 
255 
#> (fn (base_morph, morph, export_morph, axiom, assm_intro, of_class) => 

256 
Locale.add_registration (class, (morph, export_morph)) 

257 
#> Locale.activate_global_facts (class, morph $> export_morph) 

258 
#> register class sups params base_sort base_morph axiom assm_intro of_class)) 

29378  259 
> TheoryTarget.init (SOME class) 
25038  260 
> pair class 
24218  261 
end; 
262 

263 
in 

264 

29509
1ff0f3f08a7b
migrated class package to new locale implementation
haftmann
parents:
29439
diff
changeset

265 
val class = gen_class cert_class_spec; 
26518  266 
val class_cmd = gen_class read_class_spec; 
24218  267 

268 
end; (*local*) 

269 

270 

29358  271 
(** subclass relations **) 
25462  272 

29358  273 
local 
25462  274 

29358  275 
fun gen_subclass prep_class do_proof raw_sup lthy = 
25462  276 
let 
29358  277 
val thy = ProofContext.theory_of lthy; 
29558  278 
val proto_sup = prep_class thy raw_sup; 
279 
val proto_sub = case TheoryTarget.peek lthy 

280 
of {is_class = false, ...} => error "Not in a class context" 

29358  281 
 {target, ...} => target; 
29558  282 
val (sub, sup) = AxClass.cert_classrel thy (proto_sub, proto_sup) 
29509
1ff0f3f08a7b
migrated class package to new locale implementation
haftmann
parents:
29439
diff
changeset

283 

1ff0f3f08a7b
migrated class package to new locale implementation
haftmann
parents:
29439
diff
changeset

284 
val expr = ([(sup, (("", false), Expression.Positional []))], []); 
29558  285 
val (([props], deps, export), goal_ctxt) = 
29509
1ff0f3f08a7b
migrated class package to new locale implementation
haftmann
parents:
29439
diff
changeset

286 
Expression.cert_goal_expression expr lthy; 
29526  287 
val some_prop = try the_single props; 
29558  288 
val some_dep_morph = try the_single (map snd deps); 
289 
fun after_qed some_wit = 

290 
ProofContext.theory (register_subclass (sub, sup) 

291 
some_dep_morph some_wit export) 

292 
#> ProofContext.theory_of #> TheoryTarget.init (SOME sub); 

293 
in do_proof after_qed some_prop goal_ctxt end; 

25485  294 

29575
41d604e59e93
improved and corrected reading of class specs  still draft version
haftmann
parents:
29558
diff
changeset

295 
fun user_proof after_qed some_prop = 
41d604e59e93
improved and corrected reading of class specs  still draft version
haftmann
parents:
29558
diff
changeset

296 
Element.witness_proof (after_qed o try the_single o the_single) 
41d604e59e93
improved and corrected reading of class specs  still draft version
haftmann
parents:
29558
diff
changeset

297 
[the_list some_prop]; 
25485  298 

29575
41d604e59e93
improved and corrected reading of class specs  still draft version
haftmann
parents:
29558
diff
changeset

299 
fun tactic_proof tac after_qed some_prop ctxt = 
41d604e59e93
improved and corrected reading of class specs  still draft version
haftmann
parents:
29558
diff
changeset

300 
after_qed (Option.map 
41d604e59e93
improved and corrected reading of class specs  still draft version
haftmann
parents:
29558
diff
changeset

301 
(fn prop => Element.prove_witness ctxt prop tac) some_prop) ctxt; 
28666  302 

29358  303 
in 
28666  304 

29358  305 
val subclass = gen_subclass (K I) user_proof; 
306 
fun prove_subclass tac = gen_subclass (K I) (tactic_proof tac); 

307 
val subclass_cmd = gen_subclass Sign.read_class user_proof; 

25462  308 

29358  309 
end; (*local*) 
310 

24218  311 
end; 