src/Pure/Isar/class.ML
author haftmann
Sun, 18 Jan 2009 10:11:12 +0100
changeset 29547 f2587922591e
parent 29526 0b32c8b84d3e
child 29558 9846af6c6d6a
permissions -rw-r--r--
improved calculation of morphisms and rules
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
29358
efdfe5dfe008 rearranged target theories
haftmann
parents: 29333
diff changeset
     1
(*  Title:      Pure/Isar/ML
24218
fbf1646b267c ClassPackage renamed to Class
haftmann
parents:
diff changeset
     2
    Author:     Florian Haftmann, TU Muenchen
fbf1646b267c ClassPackage renamed to Class
haftmann
parents:
diff changeset
     3
29358
efdfe5dfe008 rearranged target theories
haftmann
parents: 29333
diff changeset
     4
Type classes derived from primitive axclasses and locales - interfaces
24218
fbf1646b267c ClassPackage renamed to Class
haftmann
parents:
diff changeset
     5
*)
fbf1646b267c ClassPackage renamed to Class
haftmann
parents:
diff changeset
     6
fbf1646b267c ClassPackage renamed to Class
haftmann
parents:
diff changeset
     7
signature CLASS =
fbf1646b267c ClassPackage renamed to Class
haftmann
parents:
diff changeset
     8
sig
29358
efdfe5dfe008 rearranged target theories
haftmann
parents: 29333
diff changeset
     9
  include CLASS_TARGET
29439
83601bdadae8 construct explicit class morphism
haftmann
parents: 29378
diff changeset
    10
    (*FIXME the split into class_target.ML, theory_target.ML and
83601bdadae8 construct explicit class morphism
haftmann
parents: 29378
diff changeset
    11
      class.ML is artificial*)
29358
efdfe5dfe008 rearranged target theories
haftmann
parents: 29333
diff changeset
    12
26247
b6608fbeaae1 some theorems named explicitly
haftmann
parents: 26238
diff changeset
    13
  val class: bstring -> class list -> Element.context_i list
29378
2821c2c5270d proper local_theory after Class.class
haftmann
parents: 29360
diff changeset
    14
    -> theory -> string * local_theory
26247
b6608fbeaae1 some theorems named explicitly
haftmann
parents: 26238
diff changeset
    15
  val class_cmd: bstring -> xstring list -> Element.context list
29378
2821c2c5270d proper local_theory after Class.class
haftmann
parents: 29360
diff changeset
    16
    -> theory -> string * local_theory
29358
efdfe5dfe008 rearranged target theories
haftmann
parents: 29333
diff changeset
    17
  val prove_subclass: tactic -> class -> local_theory -> local_theory
efdfe5dfe008 rearranged target theories
haftmann
parents: 29333
diff changeset
    18
  val subclass: class -> local_theory -> Proof.state
efdfe5dfe008 rearranged target theories
haftmann
parents: 29333
diff changeset
    19
  val subclass_cmd: xstring -> local_theory -> Proof.state
24218
fbf1646b267c ClassPackage renamed to Class
haftmann
parents:
diff changeset
    20
end;
fbf1646b267c ClassPackage renamed to Class
haftmann
parents:
diff changeset
    21
fbf1646b267c ClassPackage renamed to Class
haftmann
parents:
diff changeset
    22
structure Class : CLASS =
fbf1646b267c ClassPackage renamed to Class
haftmann
parents:
diff changeset
    23
struct
fbf1646b267c ClassPackage renamed to Class
haftmann
parents:
diff changeset
    24
29358
efdfe5dfe008 rearranged target theories
haftmann
parents: 29333
diff changeset
    25
open Class_Target;
28715
238f9966c80e class morphism stemming from locale interpretation
haftmann
parents: 28674
diff changeset
    26
29358
efdfe5dfe008 rearranged target theories
haftmann
parents: 29333
diff changeset
    27
(** define classes **)
24218
fbf1646b267c ClassPackage renamed to Class
haftmann
parents:
diff changeset
    28
fbf1646b267c ClassPackage renamed to Class
haftmann
parents:
diff changeset
    29
local
fbf1646b267c ClassPackage renamed to Class
haftmann
parents:
diff changeset
    30
29547
f2587922591e improved calculation of morphisms and rules
haftmann
parents: 29526
diff changeset
    31
fun calculate thy class sups base_sort param_map assm_axiom =
f2587922591e improved calculation of morphisms and rules
haftmann
parents: 29526
diff changeset
    32
  let
f2587922591e improved calculation of morphisms and rules
haftmann
parents: 29526
diff changeset
    33
    val empty_ctxt = ProofContext.init thy;
f2587922591e improved calculation of morphisms and rules
haftmann
parents: 29526
diff changeset
    34
f2587922591e improved calculation of morphisms and rules
haftmann
parents: 29526
diff changeset
    35
    (* instantiation of canonical interpretation *)
f2587922591e improved calculation of morphisms and rules
haftmann
parents: 29526
diff changeset
    36
    (*FIXME inst_morph should be calculated manually and not instantiate constraint*)
f2587922591e improved calculation of morphisms and rules
haftmann
parents: 29526
diff changeset
    37
    val aT = TFree ("'a", base_sort);
f2587922591e improved calculation of morphisms and rules
haftmann
parents: 29526
diff changeset
    38
    val (([props], [(_, inst_morph)], export_morph), _) = empty_ctxt
f2587922591e improved calculation of morphisms and rules
haftmann
parents: 29526
diff changeset
    39
      |> Expression.cert_goal_expression ([(class, (("", false),
f2587922591e improved calculation of morphisms and rules
haftmann
parents: 29526
diff changeset
    40
           Expression.Named ((map o apsnd) Const param_map)))], []);
f2587922591e improved calculation of morphisms and rules
haftmann
parents: 29526
diff changeset
    41
f2587922591e improved calculation of morphisms and rules
haftmann
parents: 29526
diff changeset
    42
    (* witness for canonical interpretation *)
f2587922591e improved calculation of morphisms and rules
haftmann
parents: 29526
diff changeset
    43
    val prop = try the_single props;
f2587922591e improved calculation of morphisms and rules
haftmann
parents: 29526
diff changeset
    44
    val wit = Option.map (fn prop => let
f2587922591e improved calculation of morphisms and rules
haftmann
parents: 29526
diff changeset
    45
        val sup_axioms = map_filter (fst o rules thy) sups;
f2587922591e improved calculation of morphisms and rules
haftmann
parents: 29526
diff changeset
    46
        val loc_intro_tac = case Locale.intros_of thy class
f2587922591e improved calculation of morphisms and rules
haftmann
parents: 29526
diff changeset
    47
          of (_, NONE) => all_tac
f2587922591e improved calculation of morphisms and rules
haftmann
parents: 29526
diff changeset
    48
           | (_, SOME intro) => ALLGOALS (Tactic.rtac intro);
f2587922591e improved calculation of morphisms and rules
haftmann
parents: 29526
diff changeset
    49
        val tac = loc_intro_tac
f2587922591e improved calculation of morphisms and rules
haftmann
parents: 29526
diff changeset
    50
          THEN ALLGOALS (ProofContext.fact_tac (sup_axioms @ the_list assm_axiom))
f2587922591e improved calculation of morphisms and rules
haftmann
parents: 29526
diff changeset
    51
      in Element.prove_witness empty_ctxt prop tac end) prop;
f2587922591e improved calculation of morphisms and rules
haftmann
parents: 29526
diff changeset
    52
    val axiom = Option.map Element.conclude_witness wit;
f2587922591e improved calculation of morphisms and rules
haftmann
parents: 29526
diff changeset
    53
f2587922591e improved calculation of morphisms and rules
haftmann
parents: 29526
diff changeset
    54
    (* canonical interpretation *)
f2587922591e improved calculation of morphisms and rules
haftmann
parents: 29526
diff changeset
    55
    val base_morph = inst_morph
f2587922591e improved calculation of morphisms and rules
haftmann
parents: 29526
diff changeset
    56
      $> Morphism.binding_morphism
f2587922591e improved calculation of morphisms and rules
haftmann
parents: 29526
diff changeset
    57
           (Binding.add_prefix false (class_prefix class))
f2587922591e improved calculation of morphisms and rules
haftmann
parents: 29526
diff changeset
    58
      $> Element.satisfy_morphism (the_list wit);
f2587922591e improved calculation of morphisms and rules
haftmann
parents: 29526
diff changeset
    59
    val defs = these_defs thy sups;
f2587922591e improved calculation of morphisms and rules
haftmann
parents: 29526
diff changeset
    60
    val eq_morph = Element.eq_morphism thy defs;
f2587922591e improved calculation of morphisms and rules
haftmann
parents: 29526
diff changeset
    61
    val morph = base_morph $> eq_morph;
f2587922591e improved calculation of morphisms and rules
haftmann
parents: 29526
diff changeset
    62
f2587922591e improved calculation of morphisms and rules
haftmann
parents: 29526
diff changeset
    63
    (* assm_intro *)
f2587922591e improved calculation of morphisms and rules
haftmann
parents: 29526
diff changeset
    64
    fun prove_assm_intro thm = 
f2587922591e improved calculation of morphisms and rules
haftmann
parents: 29526
diff changeset
    65
      let
f2587922591e improved calculation of morphisms and rules
haftmann
parents: 29526
diff changeset
    66
        val prop = thm |> Thm.prop_of |> Logic.unvarify
f2587922591e improved calculation of morphisms and rules
haftmann
parents: 29526
diff changeset
    67
          |> Morphism.term (inst_morph $> eq_morph) 
f2587922591e improved calculation of morphisms and rules
haftmann
parents: 29526
diff changeset
    68
          |> (map_types o map_atyps) (K aT);
f2587922591e improved calculation of morphisms and rules
haftmann
parents: 29526
diff changeset
    69
        fun tac ctxt = LocalDefs.unfold_tac ctxt (map Thm.symmetric defs) (*FIXME*)
f2587922591e improved calculation of morphisms and rules
haftmann
parents: 29526
diff changeset
    70
          THEN ALLGOALS (ProofContext.fact_tac [thm]);
f2587922591e improved calculation of morphisms and rules
haftmann
parents: 29526
diff changeset
    71
      in Goal.prove_global thy [] [] prop (tac o #context) end;
f2587922591e improved calculation of morphisms and rules
haftmann
parents: 29526
diff changeset
    72
    val assm_intro = Option.map prove_assm_intro
f2587922591e improved calculation of morphisms and rules
haftmann
parents: 29526
diff changeset
    73
      (fst (Locale.intros_of thy class));
f2587922591e improved calculation of morphisms and rules
haftmann
parents: 29526
diff changeset
    74
f2587922591e improved calculation of morphisms and rules
haftmann
parents: 29526
diff changeset
    75
    (* of_class *)
f2587922591e improved calculation of morphisms and rules
haftmann
parents: 29526
diff changeset
    76
    val of_class_prop_concl = Logic.mk_inclass (aT, class);
f2587922591e improved calculation of morphisms and rules
haftmann
parents: 29526
diff changeset
    77
    val of_class_prop = case prop of NONE => of_class_prop_concl
f2587922591e improved calculation of morphisms and rules
haftmann
parents: 29526
diff changeset
    78
      | SOME prop => Logic.mk_implies (Morphism.term inst_morph prop,
f2587922591e improved calculation of morphisms and rules
haftmann
parents: 29526
diff changeset
    79
          of_class_prop_concl) |> (map_types o map_atyps) (K aT)
f2587922591e improved calculation of morphisms and rules
haftmann
parents: 29526
diff changeset
    80
    val sup_of_classes = map (snd o rules thy) sups;
f2587922591e improved calculation of morphisms and rules
haftmann
parents: 29526
diff changeset
    81
    val loc_axiom_intros = map Drule.standard' (Locale.axioms_of thy class);
f2587922591e improved calculation of morphisms and rules
haftmann
parents: 29526
diff changeset
    82
    val axclass_intro = #intro (AxClass.get_info thy class);
f2587922591e improved calculation of morphisms and rules
haftmann
parents: 29526
diff changeset
    83
    val base_sort_trivs = Drule.sort_triv thy (aT, base_sort);
f2587922591e improved calculation of morphisms and rules
haftmann
parents: 29526
diff changeset
    84
    val tac = REPEAT (SOMEGOAL
f2587922591e improved calculation of morphisms and rules
haftmann
parents: 29526
diff changeset
    85
      (Tactic.match_tac (axclass_intro :: sup_of_classes
f2587922591e improved calculation of morphisms and rules
haftmann
parents: 29526
diff changeset
    86
         @ loc_axiom_intros @ base_sort_trivs)
f2587922591e improved calculation of morphisms and rules
haftmann
parents: 29526
diff changeset
    87
           ORELSE' Tactic.assume_tac));
f2587922591e improved calculation of morphisms and rules
haftmann
parents: 29526
diff changeset
    88
    val of_class = Goal.prove_global thy [] [] of_class_prop (K tac);
f2587922591e improved calculation of morphisms and rules
haftmann
parents: 29526
diff changeset
    89
f2587922591e improved calculation of morphisms and rules
haftmann
parents: 29526
diff changeset
    90
  in (base_morph, morph, export_morph, axiom, assm_intro, of_class) end;
f2587922591e improved calculation of morphisms and rules
haftmann
parents: 29526
diff changeset
    91
29509
1ff0f3f08a7b migrated class package to new locale implementation
haftmann
parents: 29439
diff changeset
    92
fun gen_class_spec prep_class process_decl thy raw_supclasses raw_elems =
24218
fbf1646b267c ClassPackage renamed to Class
haftmann
parents:
diff changeset
    93
  let
29526
0b32c8b84d3e code cleanup
haftmann
parents: 29509
diff changeset
    94
    (*FIXME 2009 simplify*)
24748
ee0a0eb6b738 proper syntax during class specification
haftmann
parents: 24731
diff changeset
    95
    val supclasses = map (prep_class thy) raw_supclasses;
ee0a0eb6b738 proper syntax during class specification
haftmann
parents: 24731
diff changeset
    96
    val supsort = Sign.minimize_sort thy supclasses;
29547
f2587922591e improved calculation of morphisms and rules
haftmann
parents: 29526
diff changeset
    97
    val (sups, bases) = List.partition (is_class thy) supsort;
29509
1ff0f3f08a7b migrated class package to new locale implementation
haftmann
parents: 29439
diff changeset
    98
    val base_sort = if null sups then supsort else
29547
f2587922591e improved calculation of morphisms and rules
haftmann
parents: 29526
diff changeset
    99
      Library.foldr (Sorts.inter_sort (Sign.classes_of thy))
f2587922591e improved calculation of morphisms and rules
haftmann
parents: 29526
diff changeset
   100
        (map (base_sort thy) sups, bases);
29509
1ff0f3f08a7b migrated class package to new locale implementation
haftmann
parents: 29439
diff changeset
   101
    val supparams = (map o apsnd) (snd o snd) (these_params thy sups);
1ff0f3f08a7b migrated class package to new locale implementation
haftmann
parents: 29439
diff changeset
   102
    val supparam_names = map fst supparams;
26995
2511a72dd73c check for illegal merge of class parameters
haftmann
parents: 26939
diff changeset
   103
    val _ = if has_duplicates (op =) supparam_names
2511a72dd73c check for illegal merge of class parameters
haftmann
parents: 26939
diff changeset
   104
      then error ("Duplicate parameter(s) in superclasses: "
2511a72dd73c check for illegal merge of class parameters
haftmann
parents: 26939
diff changeset
   105
        ^ (commas o map quote o duplicates (op =)) supparam_names)
2511a72dd73c check for illegal merge of class parameters
haftmann
parents: 26939
diff changeset
   106
      else ();
29509
1ff0f3f08a7b migrated class package to new locale implementation
haftmann
parents: 29439
diff changeset
   107
1ff0f3f08a7b migrated class package to new locale implementation
haftmann
parents: 29439
diff changeset
   108
    val supexpr = (map (fn sup => (sup, (("", false), Expression.Positional [])))
1ff0f3f08a7b migrated class package to new locale implementation
haftmann
parents: 29439
diff changeset
   109
      sups, []);
24748
ee0a0eb6b738 proper syntax during class specification
haftmann
parents: 24731
diff changeset
   110
    val constrain = Element.Constrains ((map o apsnd o map_atyps)
26167
ccc9007a7164 proper merge of base sorts
haftmann
parents: 25999
diff changeset
   111
      (K (TFree (Name.aT, base_sort))) supparams);
29526
0b32c8b84d3e code cleanup
haftmann
parents: 29509
diff changeset
   112
      (*FIXME 2009 perhaps better: control type variable by explicit
29509
1ff0f3f08a7b migrated class package to new locale implementation
haftmann
parents: 29439
diff changeset
   113
      parameter instantiation of import expression*)
1ff0f3f08a7b migrated class package to new locale implementation
haftmann
parents: 29439
diff changeset
   114
    val begin_ctxt = begin sups base_sort
1ff0f3f08a7b migrated class package to new locale implementation
haftmann
parents: 29439
diff changeset
   115
      #> fold (Variable.declare_constraints o Free) ((map o apsnd o map_atyps)
1ff0f3f08a7b migrated class package to new locale implementation
haftmann
parents: 29439
diff changeset
   116
          (K (TFree (Name.aT, base_sort))) supparams) (*FIXME
1ff0f3f08a7b migrated class package to new locale implementation
haftmann
parents: 29439
diff changeset
   117
            should constraints be issued in begin?*)
1ff0f3f08a7b migrated class package to new locale implementation
haftmann
parents: 29439
diff changeset
   118
    val ((_, _, syntax_elems), _) = ProofContext.init thy
1ff0f3f08a7b migrated class package to new locale implementation
haftmann
parents: 29439
diff changeset
   119
      |> begin_ctxt
1ff0f3f08a7b migrated class package to new locale implementation
haftmann
parents: 29439
diff changeset
   120
      |> process_decl supexpr raw_elems;
25683
d9fefc4859be maior tuning
haftmann
parents: 25668
diff changeset
   121
    fun fork_syn (Element.Fixes xs) =
29006
abe0f11cfa4e Name.name_of -> Binding.base_name
haftmann
parents: 28965
diff changeset
   122
          fold_map (fn (c, ty, syn) => cons (Binding.base_name c, syn) #> pair (c, ty, NoSyn)) xs
25683
d9fefc4859be maior tuning
haftmann
parents: 25668
diff changeset
   123
          #>> Element.Fixes
d9fefc4859be maior tuning
haftmann
parents: 25668
diff changeset
   124
      | fork_syn x = pair x;
29509
1ff0f3f08a7b migrated class package to new locale implementation
haftmann
parents: 29439
diff changeset
   125
    val (elems, global_syntax) = fold_map fork_syn syntax_elems [];
1ff0f3f08a7b migrated class package to new locale implementation
haftmann
parents: 29439
diff changeset
   126
  in (((sups, supparam_names), (supsort, base_sort, supexpr)), (constrain :: elems, global_syntax)) end;
24748
ee0a0eb6b738 proper syntax during class specification
haftmann
parents: 24731
diff changeset
   127
29509
1ff0f3f08a7b migrated class package to new locale implementation
haftmann
parents: 29439
diff changeset
   128
val cert_class_spec = gen_class_spec (K I) Expression.cert_declaration;
1ff0f3f08a7b migrated class package to new locale implementation
haftmann
parents: 29439
diff changeset
   129
val read_class_spec = gen_class_spec Sign.intern_class Expression.cert_read_declaration;
24748
ee0a0eb6b738 proper syntax during class specification
haftmann
parents: 24731
diff changeset
   130
28715
238f9966c80e class morphism stemming from locale interpretation
haftmann
parents: 28674
diff changeset
   131
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
   132
  let
29526
0b32c8b84d3e code cleanup
haftmann
parents: 29509
diff changeset
   133
    (*FIXME 2009 simplify*)
29509
1ff0f3f08a7b migrated class package to new locale implementation
haftmann
parents: 29439
diff changeset
   134
    val supconsts = supparams
26518
3db6a46d8460 improved improvements for instantiaton
haftmann
parents: 26470
diff changeset
   135
      |> AList.make (snd o the o AList.lookup (op =) (these_params thy sups))
25683
d9fefc4859be maior tuning
haftmann
parents: 25668
diff changeset
   136
      |> (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
   137
    val all_params = Locale.params_of thy class;
28715
238f9966c80e class morphism stemming from locale interpretation
haftmann
parents: 28674
diff changeset
   138
    val raw_params = (snd o chop (length supparams)) all_params;
29509
1ff0f3f08a7b migrated class package to new locale implementation
haftmann
parents: 29439
diff changeset
   139
    fun add_const (b, SOME raw_ty, _) thy =
25683
d9fefc4859be maior tuning
haftmann
parents: 25668
diff changeset
   140
      let
29509
1ff0f3f08a7b migrated class package to new locale implementation
haftmann
parents: 29439
diff changeset
   141
        val v = Binding.base_name b;
28965
1de908189869 cleaned up binding module and related code
haftmann
parents: 28941
diff changeset
   142
        val c = Sign.full_bname thy v;
25683
d9fefc4859be maior tuning
haftmann
parents: 25668
diff changeset
   143
        val ty = map_atyps (K (TFree (Name.aT, base_sort))) raw_ty;
d9fefc4859be maior tuning
haftmann
parents: 25668
diff changeset
   144
        val ty0 = Type.strip_sorts ty;
d9fefc4859be maior tuning
haftmann
parents: 25668
diff changeset
   145
        val ty' = map_atyps (K (TFree (Name.aT, [class]))) ty0;
d9fefc4859be maior tuning
haftmann
parents: 25668
diff changeset
   146
        val syn = (the_default NoSyn o AList.lookup (op =) global_syntax) v;
d9fefc4859be maior tuning
haftmann
parents: 25668
diff changeset
   147
      in
d9fefc4859be maior tuning
haftmann
parents: 25668
diff changeset
   148
        thy
28965
1de908189869 cleaned up binding module and related code
haftmann
parents: 28941
diff changeset
   149
        |> Sign.declare_const [] ((Binding.name v, ty0), syn)
25683
d9fefc4859be maior tuning
haftmann
parents: 25668
diff changeset
   150
        |> snd
d9fefc4859be maior tuning
haftmann
parents: 25668
diff changeset
   151
        |> pair ((v, ty), (c, ty'))
d9fefc4859be maior tuning
haftmann
parents: 25668
diff changeset
   152
      end;
28715
238f9966c80e class morphism stemming from locale interpretation
haftmann
parents: 28674
diff changeset
   153
  in
238f9966c80e class morphism stemming from locale interpretation
haftmann
parents: 28674
diff changeset
   154
    thy
29547
f2587922591e improved calculation of morphisms and rules
haftmann
parents: 29526
diff changeset
   155
    |> Sign.add_path (class_prefix class)
28715
238f9966c80e class morphism stemming from locale interpretation
haftmann
parents: 28674
diff changeset
   156
    |> fold_map add_const raw_params
238f9966c80e class morphism stemming from locale interpretation
haftmann
parents: 28674
diff changeset
   157
    ||> Sign.restore_naming thy
238f9966c80e class morphism stemming from locale interpretation
haftmann
parents: 28674
diff changeset
   158
    |-> (fn params => pair (supconsts @ (map o apfst) fst params, params))
238f9966c80e class morphism stemming from locale interpretation
haftmann
parents: 28674
diff changeset
   159
  end;
238f9966c80e class morphism stemming from locale interpretation
haftmann
parents: 28674
diff changeset
   160
238f9966c80e class morphism stemming from locale interpretation
haftmann
parents: 28674
diff changeset
   161
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
   162
  let
29526
0b32c8b84d3e code cleanup
haftmann
parents: 29509
diff changeset
   163
    (*FIXME 2009 simplify*)
25683
d9fefc4859be maior tuning
haftmann
parents: 25668
diff changeset
   164
    fun globalize param_map = map_aterms
d9fefc4859be maior tuning
haftmann
parents: 25668
diff changeset
   165
      (fn Free (v, ty) => Const ((fst o the o AList.lookup (op =) param_map) v, ty)
d9fefc4859be maior tuning
haftmann
parents: 25668
diff changeset
   166
        | t => t);
29509
1ff0f3f08a7b migrated class package to new locale implementation
haftmann
parents: 29439
diff changeset
   167
    val raw_pred = Locale.intros_of thy class
25683
d9fefc4859be maior tuning
haftmann
parents: 25668
diff changeset
   168
      |> fst
29509
1ff0f3f08a7b migrated class package to new locale implementation
haftmann
parents: 29439
diff changeset
   169
      |> Option.map (Logic.unvarify o Logic.strip_imp_concl o Thm.prop_of);
25683
d9fefc4859be maior tuning
haftmann
parents: 25668
diff changeset
   170
    fun get_axiom thy = case (#axioms o AxClass.get_info thy) class
d9fefc4859be maior tuning
haftmann
parents: 25668
diff changeset
   171
     of [] => NONE
d9fefc4859be maior tuning
haftmann
parents: 25668
diff changeset
   172
      | [thm] => SOME thm;
24968
f9bafc868847 replaced Sign.add_consts_authentic by Sign.declare_const;
wenzelm
parents: 24949
diff changeset
   173
  in
f9bafc868847 replaced Sign.add_consts_authentic by Sign.declare_const;
wenzelm
parents: 24949
diff changeset
   174
    thy
28715
238f9966c80e class morphism stemming from locale interpretation
haftmann
parents: 28674
diff changeset
   175
    |> add_consts bname class base_sort sups supparams global_syntax
25683
d9fefc4859be maior tuning
haftmann
parents: 25668
diff changeset
   176
    |-> (fn (param_map, params) => AxClass.define_class (bname, supsort)
26518
3db6a46d8460 improved improvements for instantiaton
haftmann
parents: 26470
diff changeset
   177
          (map (fst o snd) params)
29526
0b32c8b84d3e code cleanup
haftmann
parents: 29509
diff changeset
   178
          [((Binding.empty, []),
29509
1ff0f3f08a7b migrated class package to new locale implementation
haftmann
parents: 29439
diff changeset
   179
            Option.map (globalize param_map) raw_pred |> the_list)]
25683
d9fefc4859be maior tuning
haftmann
parents: 25668
diff changeset
   180
    #> snd
d9fefc4859be maior tuning
haftmann
parents: 25668
diff changeset
   181
    #> `get_axiom
d9fefc4859be maior tuning
haftmann
parents: 25668
diff changeset
   182
    #-> (fn assm_axiom => fold (Sign.add_const_constraint o apsnd SOME o snd) params
29526
0b32c8b84d3e code cleanup
haftmann
parents: 29509
diff changeset
   183
    #> pair (param_map, params, assm_axiom)))
24968
f9bafc868847 replaced Sign.add_consts_authentic by Sign.declare_const;
wenzelm
parents: 24949
diff changeset
   184
  end;
f9bafc868847 replaced Sign.add_consts_authentic by Sign.declare_const;
wenzelm
parents: 24949
diff changeset
   185
26518
3db6a46d8460 improved improvements for instantiaton
haftmann
parents: 26470
diff changeset
   186
fun gen_class prep_spec bname raw_supclasses raw_elems thy =
24748
ee0a0eb6b738 proper syntax during class specification
haftmann
parents: 24731
diff changeset
   187
  let
28965
1de908189869 cleaned up binding module and related code
haftmann
parents: 28941
diff changeset
   188
    val class = Sign.full_bname thy bname;
29509
1ff0f3f08a7b migrated class package to new locale implementation
haftmann
parents: 29439
diff changeset
   189
    val (((sups, supparams), (supsort, base_sort, supexpr)), (elems, global_syntax)) =
26247
b6608fbeaae1 some theorems named explicitly
haftmann
parents: 26238
diff changeset
   190
      prep_spec thy raw_supclasses raw_elems;
24218
fbf1646b267c ClassPackage renamed to Class
haftmann
parents:
diff changeset
   191
  in
fbf1646b267c ClassPackage renamed to Class
haftmann
parents:
diff changeset
   192
    thy
29509
1ff0f3f08a7b migrated class package to new locale implementation
haftmann
parents: 29439
diff changeset
   193
    |> Expression.add_locale bname "" supexpr elems
1ff0f3f08a7b migrated class package to new locale implementation
haftmann
parents: 29439
diff changeset
   194
    |> snd |> LocalTheory.exit_global
26518
3db6a46d8460 improved improvements for instantiaton
haftmann
parents: 26470
diff changeset
   195
    |> adjungate_axclass bname class base_sort sups supsort supparams global_syntax
29526
0b32c8b84d3e code cleanup
haftmann
parents: 29509
diff changeset
   196
    |-> (fn (param_map, params, assm_axiom) =>
29547
f2587922591e improved calculation of morphisms and rules
haftmann
parents: 29526
diff changeset
   197
       `(fn thy => calculate thy class sups base_sort param_map assm_axiom)
f2587922591e improved calculation of morphisms and rules
haftmann
parents: 29526
diff changeset
   198
    #-> (fn (base_morph, morph, export_morph, axiom, assm_intro, of_class) =>
f2587922591e improved calculation of morphisms and rules
haftmann
parents: 29526
diff changeset
   199
       Locale.add_registration (class, (morph, export_morph))
f2587922591e improved calculation of morphisms and rules
haftmann
parents: 29526
diff changeset
   200
    #> Locale.activate_global_facts (class, morph $> export_morph)
f2587922591e improved calculation of morphisms and rules
haftmann
parents: 29526
diff changeset
   201
    #> register class sups params base_sort base_morph axiom assm_intro of_class))
29378
2821c2c5270d proper local_theory after Class.class
haftmann
parents: 29360
diff changeset
   202
    |> TheoryTarget.init (SOME class)
25038
522abf8a5f87 canonical interpretation interface
haftmann
parents: 25024
diff changeset
   203
    |> pair class
24218
fbf1646b267c ClassPackage renamed to Class
haftmann
parents:
diff changeset
   204
  end;
fbf1646b267c ClassPackage renamed to Class
haftmann
parents:
diff changeset
   205
fbf1646b267c ClassPackage renamed to Class
haftmann
parents:
diff changeset
   206
in
fbf1646b267c ClassPackage renamed to Class
haftmann
parents:
diff changeset
   207
29509
1ff0f3f08a7b migrated class package to new locale implementation
haftmann
parents: 29439
diff changeset
   208
val class = gen_class cert_class_spec;
26518
3db6a46d8460 improved improvements for instantiaton
haftmann
parents: 26470
diff changeset
   209
val class_cmd = gen_class read_class_spec;
24218
fbf1646b267c ClassPackage renamed to Class
haftmann
parents:
diff changeset
   210
fbf1646b267c ClassPackage renamed to Class
haftmann
parents:
diff changeset
   211
end; (*local*)
fbf1646b267c ClassPackage renamed to Class
haftmann
parents:
diff changeset
   212
fbf1646b267c ClassPackage renamed to Class
haftmann
parents:
diff changeset
   213
29358
efdfe5dfe008 rearranged target theories
haftmann
parents: 29333
diff changeset
   214
(** subclass relations **)
25462
dad0291cb76a rudimentary instantiation target
haftmann
parents: 25368
diff changeset
   215
29358
efdfe5dfe008 rearranged target theories
haftmann
parents: 29333
diff changeset
   216
local
25462
dad0291cb76a rudimentary instantiation target
haftmann
parents: 25368
diff changeset
   217
29358
efdfe5dfe008 rearranged target theories
haftmann
parents: 29333
diff changeset
   218
fun gen_subclass prep_class do_proof raw_sup lthy =
25462
dad0291cb76a rudimentary instantiation target
haftmann
parents: 25368
diff changeset
   219
  let
29358
efdfe5dfe008 rearranged target theories
haftmann
parents: 29333
diff changeset
   220
    val thy = ProofContext.theory_of lthy;
efdfe5dfe008 rearranged target theories
haftmann
parents: 29333
diff changeset
   221
    val sup = prep_class thy raw_sup;
efdfe5dfe008 rearranged target theories
haftmann
parents: 29333
diff changeset
   222
    val sub = case TheoryTarget.peek lthy
efdfe5dfe008 rearranged target theories
haftmann
parents: 29333
diff changeset
   223
     of {is_class = false, ...} => error "Not a class context"
efdfe5dfe008 rearranged target theories
haftmann
parents: 29333
diff changeset
   224
      | {target, ...} => target;
29526
0b32c8b84d3e code cleanup
haftmann
parents: 29509
diff changeset
   225
29358
efdfe5dfe008 rearranged target theories
haftmann
parents: 29333
diff changeset
   226
    val _ = if Sign.subsort thy ([sup], [sub])
efdfe5dfe008 rearranged target theories
haftmann
parents: 29333
diff changeset
   227
      then error ("Class " ^ Syntax.string_of_sort lthy [sup]
efdfe5dfe008 rearranged target theories
haftmann
parents: 29333
diff changeset
   228
        ^ " is subclass of class " ^ Syntax.string_of_sort lthy [sub])
efdfe5dfe008 rearranged target theories
haftmann
parents: 29333
diff changeset
   229
      else ();
efdfe5dfe008 rearranged target theories
haftmann
parents: 29333
diff changeset
   230
    val sub_params = map fst (these_params thy [sub]);
efdfe5dfe008 rearranged target theories
haftmann
parents: 29333
diff changeset
   231
    val sup_params = map fst (these_params thy [sup]);
efdfe5dfe008 rearranged target theories
haftmann
parents: 29333
diff changeset
   232
    val err_params = subtract (op =) sub_params sup_params;
efdfe5dfe008 rearranged target theories
haftmann
parents: 29333
diff changeset
   233
    val _ = if null err_params then [] else
efdfe5dfe008 rearranged target theories
haftmann
parents: 29333
diff changeset
   234
      error ("Class " ^ Syntax.string_of_sort lthy [sub] ^ " lacks parameter(s) " ^
efdfe5dfe008 rearranged target theories
haftmann
parents: 29333
diff changeset
   235
        commas_quote err_params ^ " of " ^ Syntax.string_of_sort lthy [sup]);
29509
1ff0f3f08a7b migrated class package to new locale implementation
haftmann
parents: 29439
diff changeset
   236
1ff0f3f08a7b migrated class package to new locale implementation
haftmann
parents: 29439
diff changeset
   237
    val expr = ([(sup, (("", false), Expression.Positional []))], []);
1ff0f3f08a7b migrated class package to new locale implementation
haftmann
parents: 29439
diff changeset
   238
    val (([props], _, _), goal_ctxt) =
1ff0f3f08a7b migrated class package to new locale implementation
haftmann
parents: 29439
diff changeset
   239
      Expression.cert_goal_expression expr lthy;
29526
0b32c8b84d3e code cleanup
haftmann
parents: 29509
diff changeset
   240
    val some_prop = try the_single props;
0b32c8b84d3e code cleanup
haftmann
parents: 29509
diff changeset
   241
0b32c8b84d3e code cleanup
haftmann
parents: 29509
diff changeset
   242
    fun tac some_thm = ALLGOALS (ProofContext.fact_tac (the_list some_thm));
0b32c8b84d3e code cleanup
haftmann
parents: 29509
diff changeset
   243
    fun prove_sublocale some_thm =
0b32c8b84d3e code cleanup
haftmann
parents: 29509
diff changeset
   244
      Expression.sublocale sub expr
0b32c8b84d3e code cleanup
haftmann
parents: 29509
diff changeset
   245
      #> Proof.global_terminal_proof
0b32c8b84d3e code cleanup
haftmann
parents: 29509
diff changeset
   246
          (Method.Basic (K (Method.SIMPLE_METHOD (tac some_thm)), Position.none), NONE)
0b32c8b84d3e code cleanup
haftmann
parents: 29509
diff changeset
   247
      #> ProofContext.theory_of;
29358
efdfe5dfe008 rearranged target theories
haftmann
parents: 29333
diff changeset
   248
    fun after_qed some_thm =
29509
1ff0f3f08a7b migrated class package to new locale implementation
haftmann
parents: 29439
diff changeset
   249
      LocalTheory.theory (register_subclass (sub, sup) some_thm)
29526
0b32c8b84d3e code cleanup
haftmann
parents: 29509
diff changeset
   250
      #> is_some some_thm ? LocalTheory.theory (prove_sublocale some_thm)
0b32c8b84d3e code cleanup
haftmann
parents: 29509
diff changeset
   251
          (*FIXME should also go to register_subclass*)
0b32c8b84d3e code cleanup
haftmann
parents: 29509
diff changeset
   252
      #> ProofContext.theory_of
0b32c8b84d3e code cleanup
haftmann
parents: 29509
diff changeset
   253
      #> TheoryTarget.init (SOME sub);
0b32c8b84d3e code cleanup
haftmann
parents: 29509
diff changeset
   254
  in do_proof after_qed some_prop lthy end;
25485
33840a854e63 tuned interfaces of class module
haftmann
parents: 25462
diff changeset
   255
29358
efdfe5dfe008 rearranged target theories
haftmann
parents: 29333
diff changeset
   256
fun user_proof after_qed NONE =
efdfe5dfe008 rearranged target theories
haftmann
parents: 29333
diff changeset
   257
      Proof.theorem_i NONE (K (after_qed NONE)) [[]]
efdfe5dfe008 rearranged target theories
haftmann
parents: 29333
diff changeset
   258
  | user_proof after_qed (SOME prop) =
efdfe5dfe008 rearranged target theories
haftmann
parents: 29333
diff changeset
   259
      Proof.theorem_i NONE (after_qed o try the_single o the_single) [[(prop, [])]];
25485
33840a854e63 tuned interfaces of class module
haftmann
parents: 25462
diff changeset
   260
29358
efdfe5dfe008 rearranged target theories
haftmann
parents: 29333
diff changeset
   261
fun tactic_proof tac after_qed NONE lthy =
efdfe5dfe008 rearranged target theories
haftmann
parents: 29333
diff changeset
   262
      after_qed NONE lthy
efdfe5dfe008 rearranged target theories
haftmann
parents: 29333
diff changeset
   263
  | tactic_proof tac after_qed (SOME prop) lthy =
efdfe5dfe008 rearranged target theories
haftmann
parents: 29333
diff changeset
   264
      after_qed (SOME (Goal.prove (LocalTheory.target_of lthy) [] [] prop
efdfe5dfe008 rearranged target theories
haftmann
parents: 29333
diff changeset
   265
        (K tac))) lthy;
28666
d2dbfe3a0284 prove_instantiation_exit combinators
haftmann
parents: 28259
diff changeset
   266
29358
efdfe5dfe008 rearranged target theories
haftmann
parents: 29333
diff changeset
   267
in
28666
d2dbfe3a0284 prove_instantiation_exit combinators
haftmann
parents: 28259
diff changeset
   268
29358
efdfe5dfe008 rearranged target theories
haftmann
parents: 29333
diff changeset
   269
val subclass = gen_subclass (K I) user_proof;
efdfe5dfe008 rearranged target theories
haftmann
parents: 29333
diff changeset
   270
fun prove_subclass tac = gen_subclass (K I) (tactic_proof tac);
efdfe5dfe008 rearranged target theories
haftmann
parents: 29333
diff changeset
   271
val subclass_cmd = gen_subclass Sign.read_class user_proof;
25462
dad0291cb76a rudimentary instantiation target
haftmann
parents: 25368
diff changeset
   272
29358
efdfe5dfe008 rearranged target theories
haftmann
parents: 29333
diff changeset
   273
end; (*local*)
efdfe5dfe008 rearranged target theories
haftmann
parents: 29333
diff changeset
   274
24218
fbf1646b267c ClassPackage renamed to Class
haftmann
parents:
diff changeset
   275
end;