src/Pure/context.ML
author wenzelm
Wed, 21 Jul 2010 14:27:05 +0200
changeset 37867 b9783e9e96e1
parent 37852 a902f158b4fc
child 37871 c7ce7685e087
permissions -rw-r--r--
added Context.get_theory -- avoid referring to accidental theory loader state (cf. Thy_Info.get_theory);
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
6185
11bf7a8b6a02 Global theory context (used to be in Thy/context.ML);
wenzelm
parents:
diff changeset
     1
(*  Title:      Pure/context.ML
11bf7a8b6a02 Global theory context (used to be in Thy/context.ML);
wenzelm
parents:
diff changeset
     2
    Author:     Markus Wenzel, TU Muenchen
11bf7a8b6a02 Global theory context (used to be in Thy/context.ML);
wenzelm
parents:
diff changeset
     3
16436
7eb6b6cbd166 added type theory: generic theory contexts with unique identity,
wenzelm
parents: 15801
diff changeset
     4
Generic theory contexts with unique identity, arbitrarily typed data,
24141
73baca986087 improved check_thy: produce a checked theory_ref (thread-safe version);
wenzelm
parents: 23944
diff changeset
     5
monotonic development graph and history support.  Generic proof
73baca986087 improved check_thy: produce a checked theory_ref (thread-safe version);
wenzelm
parents: 23944
diff changeset
     6
contexts with arbitrarily typed data.
33031
b75c35574e04 backpatching of structure Proof and ProofContext -- avoid odd aliases;
wenzelm
parents: 32784
diff changeset
     7
b75c35574e04 backpatching of structure Proof and ProofContext -- avoid odd aliases;
wenzelm
parents: 32784
diff changeset
     8
Firm naming conventions:
b75c35574e04 backpatching of structure Proof and ProofContext -- avoid odd aliases;
wenzelm
parents: 32784
diff changeset
     9
   thy, thy', thy1, thy2: theory
b75c35574e04 backpatching of structure Proof and ProofContext -- avoid odd aliases;
wenzelm
parents: 32784
diff changeset
    10
   ctxt, ctxt', ctxt1, ctxt2: Proof.context
b75c35574e04 backpatching of structure Proof and ProofContext -- avoid odd aliases;
wenzelm
parents: 32784
diff changeset
    11
   context: Context.generic
6185
11bf7a8b6a02 Global theory context (used to be in Thy/context.ML);
wenzelm
parents:
diff changeset
    12
*)
11bf7a8b6a02 Global theory context (used to be in Thy/context.ML);
wenzelm
parents:
diff changeset
    13
11bf7a8b6a02 Global theory context (used to be in Thy/context.ML);
wenzelm
parents:
diff changeset
    14
signature BASIC_CONTEXT =
11bf7a8b6a02 Global theory context (used to be in Thy/context.ML);
wenzelm
parents:
diff changeset
    15
sig
16436
7eb6b6cbd166 added type theory: generic theory contexts with unique identity,
wenzelm
parents: 15801
diff changeset
    16
  type theory
7eb6b6cbd166 added type theory: generic theory contexts with unique identity,
wenzelm
parents: 15801
diff changeset
    17
  type theory_ref
7eb6b6cbd166 added type theory: generic theory contexts with unique identity,
wenzelm
parents: 15801
diff changeset
    18
  exception THEORY of string * theory list
33031
b75c35574e04 backpatching of structure Proof and ProofContext -- avoid odd aliases;
wenzelm
parents: 32784
diff changeset
    19
  structure Proof: sig type context end
b75c35574e04 backpatching of structure Proof and ProofContext -- avoid odd aliases;
wenzelm
parents: 32784
diff changeset
    20
  structure ProofContext:
b75c35574e04 backpatching of structure Proof and ProofContext -- avoid odd aliases;
wenzelm
parents: 32784
diff changeset
    21
  sig
b75c35574e04 backpatching of structure Proof and ProofContext -- avoid odd aliases;
wenzelm
parents: 32784
diff changeset
    22
    val theory_of: Proof.context -> theory
36610
bafd82950e24 renamed ProofContext.init to ProofContext.init_global to emphasize that this is not the real thing;
wenzelm
parents: 34259
diff changeset
    23
    val init_global: theory -> Proof.context
33031
b75c35574e04 backpatching of structure Proof and ProofContext -- avoid odd aliases;
wenzelm
parents: 32784
diff changeset
    24
  end
6185
11bf7a8b6a02 Global theory context (used to be in Thy/context.ML);
wenzelm
parents:
diff changeset
    25
end;
11bf7a8b6a02 Global theory context (used to be in Thy/context.ML);
wenzelm
parents:
diff changeset
    26
11bf7a8b6a02 Global theory context (used to be in Thy/context.ML);
wenzelm
parents:
diff changeset
    27
signature CONTEXT =
11bf7a8b6a02 Global theory context (used to be in Thy/context.ML);
wenzelm
parents:
diff changeset
    28
sig
11bf7a8b6a02 Global theory context (used to be in Thy/context.ML);
wenzelm
parents:
diff changeset
    29
  include BASIC_CONTEXT
16436
7eb6b6cbd166 added type theory: generic theory contexts with unique identity,
wenzelm
parents: 15801
diff changeset
    30
  (*theory context*)
7eb6b6cbd166 added type theory: generic theory contexts with unique identity,
wenzelm
parents: 15801
diff changeset
    31
  val parents_of: theory -> theory list
7eb6b6cbd166 added type theory: generic theory contexts with unique identity,
wenzelm
parents: 15801
diff changeset
    32
  val ancestors_of: theory -> theory list
29069
c7ba485581ae unified ids for ancestors and checkpoints, removed obsolete history of checkpoints;
wenzelm
parents: 29001
diff changeset
    33
  val theory_name: theory -> string
16436
7eb6b6cbd166 added type theory: generic theory contexts with unique identity,
wenzelm
parents: 15801
diff changeset
    34
  val is_stale: theory -> bool
26623
81547c8d51f8 export is_draft, not draftN;
wenzelm
parents: 26486
diff changeset
    35
  val is_draft: theory -> bool
28317
83c4fc383409 added reject_draft;
wenzelm
parents: 28122
diff changeset
    36
  val reject_draft: theory -> theory
29093
1cc36c0ec9eb refined identity and ancestry: explicit draft flat, ids are unnamed, name consistency is checked for ancestry;
wenzelm
parents: 29069
diff changeset
    37
  val PureN: string
1cc36c0ec9eb refined identity and ancestry: explicit draft flat, ids are unnamed, name consistency is checked for ancestry;
wenzelm
parents: 29069
diff changeset
    38
  val display_names: theory -> string list
16436
7eb6b6cbd166 added type theory: generic theory contexts with unique identity,
wenzelm
parents: 15801
diff changeset
    39
  val pretty_thy: theory -> Pretty.T
7eb6b6cbd166 added type theory: generic theory contexts with unique identity,
wenzelm
parents: 15801
diff changeset
    40
  val string_of_thy: theory -> string
7eb6b6cbd166 added type theory: generic theory contexts with unique identity,
wenzelm
parents: 15801
diff changeset
    41
  val pretty_abbrev_thy: theory -> Pretty.T
7eb6b6cbd166 added type theory: generic theory contexts with unique identity,
wenzelm
parents: 15801
diff changeset
    42
  val str_of_thy: theory -> string
37867
b9783e9e96e1 added Context.get_theory -- avoid referring to accidental theory loader state (cf. Thy_Info.get_theory);
wenzelm
parents: 37852
diff changeset
    43
  val get_theory: theory -> string -> theory
24141
73baca986087 improved check_thy: produce a checked theory_ref (thread-safe version);
wenzelm
parents: 23944
diff changeset
    44
  val deref: theory_ref -> theory
73baca986087 improved check_thy: produce a checked theory_ref (thread-safe version);
wenzelm
parents: 23944
diff changeset
    45
  val check_thy: theory -> theory_ref
16436
7eb6b6cbd166 added type theory: generic theory contexts with unique identity,
wenzelm
parents: 15801
diff changeset
    46
  val eq_thy: theory * theory -> bool
7eb6b6cbd166 added type theory: generic theory contexts with unique identity,
wenzelm
parents: 15801
diff changeset
    47
  val subthy: theory * theory -> bool
16594
5d73fbf4eb1e added joinable;
wenzelm
parents: 16533
diff changeset
    48
  val joinable: theory * theory -> bool
23355
d2c033fd4514 merge/merge_refs: plain error instead of exception TERM;
wenzelm
parents: 22847
diff changeset
    49
  val merge: theory * theory -> theory
d2c033fd4514 merge/merge_refs: plain error instead of exception TERM;
wenzelm
parents: 22847
diff changeset
    50
  val merge_refs: theory_ref * theory_ref -> theory_ref
16436
7eb6b6cbd166 added type theory: generic theory contexts with unique identity,
wenzelm
parents: 15801
diff changeset
    51
  val copy_thy: theory -> theory
7eb6b6cbd166 added type theory: generic theory contexts with unique identity,
wenzelm
parents: 15801
diff changeset
    52
  val checkpoint_thy: theory -> theory
16489
f66ab8a4e98f improved treatment of intermediate checkpoints: actual copy
wenzelm
parents: 16436
diff changeset
    53
  val finish_thy: theory -> theory
f66ab8a4e98f improved treatment of intermediate checkpoints: actual copy
wenzelm
parents: 16436
diff changeset
    54
  val begin_thy: (theory -> Pretty.pp) -> string -> theory list -> theory
16533
f1152f75f6fc begin_thy: merge maximal imports;
wenzelm
parents: 16489
diff changeset
    55
  (*proof context*)
33031
b75c35574e04 backpatching of structure Proof and ProofContext -- avoid odd aliases;
wenzelm
parents: 32784
diff changeset
    56
  val raw_transfer: theory -> Proof.context -> Proof.context
16533
f1152f75f6fc begin_thy: merge maximal imports;
wenzelm
parents: 16489
diff changeset
    57
  (*generic context*)
33031
b75c35574e04 backpatching of structure Proof and ProofContext -- avoid odd aliases;
wenzelm
parents: 32784
diff changeset
    58
  datatype generic = Theory of theory | Proof of Proof.context
b75c35574e04 backpatching of structure Proof and ProofContext -- avoid odd aliases;
wenzelm
parents: 32784
diff changeset
    59
  val cases: (theory -> 'a) -> (Proof.context -> 'a) -> generic -> 'a
b75c35574e04 backpatching of structure Proof and ProofContext -- avoid odd aliases;
wenzelm
parents: 32784
diff changeset
    60
  val mapping: (theory -> theory) -> (Proof.context -> Proof.context) -> generic -> generic
b75c35574e04 backpatching of structure Proof and ProofContext -- avoid odd aliases;
wenzelm
parents: 32784
diff changeset
    61
  val mapping_result: (theory -> 'a * theory) -> (Proof.context -> 'a * Proof.context) ->
b75c35574e04 backpatching of structure Proof and ProofContext -- avoid odd aliases;
wenzelm
parents: 32784
diff changeset
    62
    generic -> 'a * generic
18632
3149c6abe876 support for generic contexts with data;
wenzelm
parents: 17756
diff changeset
    63
  val the_theory: generic -> theory
33031
b75c35574e04 backpatching of structure Proof and ProofContext -- avoid odd aliases;
wenzelm
parents: 32784
diff changeset
    64
  val the_proof: generic -> Proof.context
18731
3989c3c41983 rename map_theory/proof to theory/proof_map;
wenzelm
parents: 18711
diff changeset
    65
  val map_theory: (theory -> theory) -> generic -> generic
33031
b75c35574e04 backpatching of structure Proof and ProofContext -- avoid odd aliases;
wenzelm
parents: 32784
diff changeset
    66
  val map_proof: (Proof.context -> Proof.context) -> generic -> generic
26486
b65a5272b360 added map_theory_result, map_proof_result;
wenzelm
parents: 26463
diff changeset
    67
  val map_theory_result: (theory -> 'a * theory) -> generic -> 'a * generic
33031
b75c35574e04 backpatching of structure Proof and ProofContext -- avoid odd aliases;
wenzelm
parents: 32784
diff changeset
    68
  val map_proof_result: (Proof.context -> 'a * Proof.context) -> generic -> 'a * generic
18731
3989c3c41983 rename map_theory/proof to theory/proof_map;
wenzelm
parents: 18711
diff changeset
    69
  val theory_map: (generic -> generic) -> theory -> theory
33031
b75c35574e04 backpatching of structure Proof and ProofContext -- avoid odd aliases;
wenzelm
parents: 32784
diff changeset
    70
  val proof_map: (generic -> generic) -> Proof.context -> Proof.context
b75c35574e04 backpatching of structure Proof and ProofContext -- avoid odd aliases;
wenzelm
parents: 32784
diff changeset
    71
  val theory_of: generic -> theory  (*total*)
b75c35574e04 backpatching of structure Proof and ProofContext -- avoid odd aliases;
wenzelm
parents: 32784
diff changeset
    72
  val proof_of: generic -> Proof.context  (*total*)
26413
003dd6155870 added thread data (formerly global ref in ML/ml_context.ML);
wenzelm
parents: 24559
diff changeset
    73
  (*thread data*)
003dd6155870 added thread data (formerly global ref in ML/ml_context.ML);
wenzelm
parents: 24559
diff changeset
    74
  val thread_data: unit -> generic option
003dd6155870 added thread data (formerly global ref in ML/ml_context.ML);
wenzelm
parents: 24559
diff changeset
    75
  val the_thread_data: unit -> generic
003dd6155870 added thread data (formerly global ref in ML/ml_context.ML);
wenzelm
parents: 24559
diff changeset
    76
  val set_thread_data: generic option -> unit
003dd6155870 added thread data (formerly global ref in ML/ml_context.ML);
wenzelm
parents: 24559
diff changeset
    77
  val setmp_thread_data: generic option -> ('a -> 'b) -> 'a -> 'b
26463
9283b4185fdf Context.>> : operate on Context.generic;
wenzelm
parents: 26435
diff changeset
    78
  val >> : (generic -> generic) -> unit
9283b4185fdf Context.>> : operate on Context.generic;
wenzelm
parents: 26435
diff changeset
    79
  val >>> : (generic -> 'a * generic) -> 'a
6185
11bf7a8b6a02 Global theory context (used to be in Thy/context.ML);
wenzelm
parents:
diff changeset
    80
end;
11bf7a8b6a02 Global theory context (used to be in Thy/context.ML);
wenzelm
parents:
diff changeset
    81
16436
7eb6b6cbd166 added type theory: generic theory contexts with unique identity,
wenzelm
parents: 15801
diff changeset
    82
signature PRIVATE_CONTEXT =
7eb6b6cbd166 added type theory: generic theory contexts with unique identity,
wenzelm
parents: 15801
diff changeset
    83
sig
7eb6b6cbd166 added type theory: generic theory contexts with unique identity,
wenzelm
parents: 15801
diff changeset
    84
  include CONTEXT
33033
wenzelm
parents: 33031
diff changeset
    85
  structure Theory_Data:
16436
7eb6b6cbd166 added type theory: generic theory contexts with unique identity,
wenzelm
parents: 15801
diff changeset
    86
  sig
34245
25bd3ed2ac9f dropped copy operation for legacy TheoryDataFun
haftmann
parents: 33606
diff changeset
    87
    val declare: Object.T -> (Object.T -> Object.T) ->
16489
f66ab8a4e98f improved treatment of intermediate checkpoints: actual copy
wenzelm
parents: 16436
diff changeset
    88
      (Pretty.pp -> Object.T * Object.T -> Object.T) -> serial
16436
7eb6b6cbd166 added type theory: generic theory contexts with unique identity,
wenzelm
parents: 15801
diff changeset
    89
    val get: serial -> (Object.T -> 'a) -> theory -> 'a
7eb6b6cbd166 added type theory: generic theory contexts with unique identity,
wenzelm
parents: 15801
diff changeset
    90
    val put: serial -> ('a -> Object.T) -> 'a -> theory -> theory
16489
f66ab8a4e98f improved treatment of intermediate checkpoints: actual copy
wenzelm
parents: 16436
diff changeset
    91
  end
33033
wenzelm
parents: 33031
diff changeset
    92
  structure Proof_Data:
16533
f1152f75f6fc begin_thy: merge maximal imports;
wenzelm
parents: 16489
diff changeset
    93
  sig
22847
22da6c4bc422 simplified DataFun interfaces: removed name/print, use adhoc value for uninitialized data, init only required for impure data;
wenzelm
parents: 22827
diff changeset
    94
    val declare: (theory -> Object.T) -> serial
33031
b75c35574e04 backpatching of structure Proof and ProofContext -- avoid odd aliases;
wenzelm
parents: 32784
diff changeset
    95
    val get: serial -> (Object.T -> 'a) -> Proof.context -> 'a
b75c35574e04 backpatching of structure Proof and ProofContext -- avoid odd aliases;
wenzelm
parents: 32784
diff changeset
    96
    val put: serial -> ('a -> Object.T) -> 'a -> Proof.context -> Proof.context
16533
f1152f75f6fc begin_thy: merge maximal imports;
wenzelm
parents: 16489
diff changeset
    97
  end
16436
7eb6b6cbd166 added type theory: generic theory contexts with unique identity,
wenzelm
parents: 15801
diff changeset
    98
end;
7eb6b6cbd166 added type theory: generic theory contexts with unique identity,
wenzelm
parents: 15801
diff changeset
    99
7eb6b6cbd166 added type theory: generic theory contexts with unique identity,
wenzelm
parents: 15801
diff changeset
   100
structure Context: PRIVATE_CONTEXT =
6185
11bf7a8b6a02 Global theory context (used to be in Thy/context.ML);
wenzelm
parents:
diff changeset
   101
struct
11bf7a8b6a02 Global theory context (used to be in Thy/context.ML);
wenzelm
parents:
diff changeset
   102
16436
7eb6b6cbd166 added type theory: generic theory contexts with unique identity,
wenzelm
parents: 15801
diff changeset
   103
(*** theory context ***)
6185
11bf7a8b6a02 Global theory context (used to be in Thy/context.ML);
wenzelm
parents:
diff changeset
   104
16489
f66ab8a4e98f improved treatment of intermediate checkpoints: actual copy
wenzelm
parents: 16436
diff changeset
   105
(** theory data **)
f66ab8a4e98f improved treatment of intermediate checkpoints: actual copy
wenzelm
parents: 16436
diff changeset
   106
f66ab8a4e98f improved treatment of intermediate checkpoints: actual copy
wenzelm
parents: 16436
diff changeset
   107
(* data kinds and access methods *)
f66ab8a4e98f improved treatment of intermediate checkpoints: actual copy
wenzelm
parents: 16436
diff changeset
   108
19028
6c238953f66c structure Datatab: private copy avoids potential conflict of table exceptions;
wenzelm
parents: 18931
diff changeset
   109
(*private copy avoids potential conflict of table exceptions*)
31971
8c1b845ed105 renamed functor TableFun to Table, and GraphFun to Graph;
wenzelm
parents: 30628
diff changeset
   110
structure Datatab = Table(type key = int val ord = int_ord);
19028
6c238953f66c structure Datatab: private copy avoids potential conflict of table exceptions;
wenzelm
parents: 18931
diff changeset
   111
16489
f66ab8a4e98f improved treatment of intermediate checkpoints: actual copy
wenzelm
parents: 16436
diff changeset
   112
local
f66ab8a4e98f improved treatment of intermediate checkpoints: actual copy
wenzelm
parents: 16436
diff changeset
   113
f66ab8a4e98f improved treatment of intermediate checkpoints: actual copy
wenzelm
parents: 16436
diff changeset
   114
type kind =
22847
22da6c4bc422 simplified DataFun interfaces: removed name/print, use adhoc value for uninitialized data, init only required for impure data;
wenzelm
parents: 22827
diff changeset
   115
 {empty: Object.T,
16489
f66ab8a4e98f improved treatment of intermediate checkpoints: actual copy
wenzelm
parents: 16436
diff changeset
   116
  extend: Object.T -> Object.T,
f66ab8a4e98f improved treatment of intermediate checkpoints: actual copy
wenzelm
parents: 16436
diff changeset
   117
  merge: Pretty.pp -> Object.T * Object.T -> Object.T};
f66ab8a4e98f improved treatment of intermediate checkpoints: actual copy
wenzelm
parents: 16436
diff changeset
   118
32738
15bb09ca0378 explicit indication of Unsynchronized.ref;
wenzelm
parents: 31971
diff changeset
   119
val kinds = Unsynchronized.ref (Datatab.empty: kind Datatab.table);
16489
f66ab8a4e98f improved treatment of intermediate checkpoints: actual copy
wenzelm
parents: 16436
diff changeset
   120
22847
22da6c4bc422 simplified DataFun interfaces: removed name/print, use adhoc value for uninitialized data, init only required for impure data;
wenzelm
parents: 22827
diff changeset
   121
fun invoke f k =
19028
6c238953f66c structure Datatab: private copy avoids potential conflict of table exceptions;
wenzelm
parents: 18931
diff changeset
   122
  (case Datatab.lookup (! kinds) k of
22847
22da6c4bc422 simplified DataFun interfaces: removed name/print, use adhoc value for uninitialized data, init only required for impure data;
wenzelm
parents: 22827
diff changeset
   123
    SOME kind => f kind
37852
a902f158b4fc eliminated old-style sys_error/SYS_ERROR in favour of exception Fail -- after careful checking that there is no overlap with existing handling of that;
wenzelm
parents: 37216
diff changeset
   124
  | NONE => raise Fail "Invalid theory data identifier");
16489
f66ab8a4e98f improved treatment of intermediate checkpoints: actual copy
wenzelm
parents: 16436
diff changeset
   125
f66ab8a4e98f improved treatment of intermediate checkpoints: actual copy
wenzelm
parents: 16436
diff changeset
   126
in
f66ab8a4e98f improved treatment of intermediate checkpoints: actual copy
wenzelm
parents: 16436
diff changeset
   127
33033
wenzelm
parents: 33031
diff changeset
   128
fun invoke_empty k = invoke (K o #empty) k ();
wenzelm
parents: 33031
diff changeset
   129
val invoke_extend = invoke #extend;
wenzelm
parents: 33031
diff changeset
   130
fun invoke_merge pp = invoke (fn kind => #merge kind pp);
16489
f66ab8a4e98f improved treatment of intermediate checkpoints: actual copy
wenzelm
parents: 16436
diff changeset
   131
34245
25bd3ed2ac9f dropped copy operation for legacy TheoryDataFun
haftmann
parents: 33606
diff changeset
   132
fun declare_theory_data empty extend merge =
16489
f66ab8a4e98f improved treatment of intermediate checkpoints: actual copy
wenzelm
parents: 16436
diff changeset
   133
  let
f66ab8a4e98f improved treatment of intermediate checkpoints: actual copy
wenzelm
parents: 16436
diff changeset
   134
    val k = serial ();
34245
25bd3ed2ac9f dropped copy operation for legacy TheoryDataFun
haftmann
parents: 33606
diff changeset
   135
    val kind = {empty = empty, extend = extend, merge = merge};
32738
15bb09ca0378 explicit indication of Unsynchronized.ref;
wenzelm
parents: 31971
diff changeset
   136
    val _ = CRITICAL (fn () => Unsynchronized.change kinds (Datatab.update (k, kind)));
16489
f66ab8a4e98f improved treatment of intermediate checkpoints: actual copy
wenzelm
parents: 16436
diff changeset
   137
  in k end;
f66ab8a4e98f improved treatment of intermediate checkpoints: actual copy
wenzelm
parents: 16436
diff changeset
   138
19028
6c238953f66c structure Datatab: private copy avoids potential conflict of table exceptions;
wenzelm
parents: 18931
diff changeset
   139
val extend_data = Datatab.map' invoke_extend;
29367
741373421318 parallelized merge_data;
wenzelm
parents: 29095
diff changeset
   140
741373421318 parallelized merge_data;
wenzelm
parents: 29095
diff changeset
   141
fun merge_data pp (data1, data2) =
741373421318 parallelized merge_data;
wenzelm
parents: 29095
diff changeset
   142
  Datatab.keys (Datatab.merge (K true) (data1, data2))
29368
503ce3f8f092 renamed structure ParList to Par_List;
wenzelm
parents: 29367
diff changeset
   143
  |> Par_List.map (fn k =>
29367
741373421318 parallelized merge_data;
wenzelm
parents: 29095
diff changeset
   144
    (case (Datatab.lookup data1 k, Datatab.lookup data2 k) of
741373421318 parallelized merge_data;
wenzelm
parents: 29095
diff changeset
   145
      (SOME x, NONE) => (k, invoke_extend k x)
741373421318 parallelized merge_data;
wenzelm
parents: 29095
diff changeset
   146
    | (NONE, SOME y) => (k, invoke_extend k y)
741373421318 parallelized merge_data;
wenzelm
parents: 29095
diff changeset
   147
    | (SOME x, SOME y) => (k, invoke_merge pp k (invoke_extend k x, invoke_extend k y))))
741373421318 parallelized merge_data;
wenzelm
parents: 29095
diff changeset
   148
  |> Datatab.make;
16489
f66ab8a4e98f improved treatment of intermediate checkpoints: actual copy
wenzelm
parents: 16436
diff changeset
   149
f66ab8a4e98f improved treatment of intermediate checkpoints: actual copy
wenzelm
parents: 16436
diff changeset
   150
end;
f66ab8a4e98f improved treatment of intermediate checkpoints: actual copy
wenzelm
parents: 16436
diff changeset
   151
f66ab8a4e98f improved treatment of intermediate checkpoints: actual copy
wenzelm
parents: 16436
diff changeset
   152
f66ab8a4e98f improved treatment of intermediate checkpoints: actual copy
wenzelm
parents: 16436
diff changeset
   153
f66ab8a4e98f improved treatment of intermediate checkpoints: actual copy
wenzelm
parents: 16436
diff changeset
   154
(** datatype theory **)
f66ab8a4e98f improved treatment of intermediate checkpoints: actual copy
wenzelm
parents: 16436
diff changeset
   155
16436
7eb6b6cbd166 added type theory: generic theory contexts with unique identity,
wenzelm
parents: 15801
diff changeset
   156
datatype theory =
7eb6b6cbd166 added type theory: generic theory contexts with unique identity,
wenzelm
parents: 15801
diff changeset
   157
  Theory of
16533
f1152f75f6fc begin_thy: merge maximal imports;
wenzelm
parents: 16489
diff changeset
   158
   (*identity*)
32738
15bb09ca0378 explicit indication of Unsynchronized.ref;
wenzelm
parents: 31971
diff changeset
   159
   {self: theory Unsynchronized.ref option,  (*dynamic self reference -- follows theory changes*)
29095
a75f3ed534a0 tuned comments;
wenzelm
parents: 29093
diff changeset
   160
    draft: bool,                  (*draft mode -- linear destructive changes*)
29093
1cc36c0ec9eb refined identity and ancestry: explicit draft flat, ids are unnamed, name consistency is checked for ancestry;
wenzelm
parents: 29069
diff changeset
   161
    id: serial,                   (*identifier*)
1cc36c0ec9eb refined identity and ancestry: explicit draft flat, ids are unnamed, name consistency is checked for ancestry;
wenzelm
parents: 29069
diff changeset
   162
    ids: unit Inttab.table} *     (*cumulative identifiers of non-drafts -- symbolic body content*)
29095
a75f3ed534a0 tuned comments;
wenzelm
parents: 29093
diff changeset
   163
   (*data*)
a75f3ed534a0 tuned comments;
wenzelm
parents: 29093
diff changeset
   164
   Object.T Datatab.table *       (*body content*)
a75f3ed534a0 tuned comments;
wenzelm
parents: 29093
diff changeset
   165
   (*ancestry*)
29093
1cc36c0ec9eb refined identity and ancestry: explicit draft flat, ids are unnamed, name consistency is checked for ancestry;
wenzelm
parents: 29069
diff changeset
   166
   {parents: theory list,         (*immediate predecessors*)
1cc36c0ec9eb refined identity and ancestry: explicit draft flat, ids are unnamed, name consistency is checked for ancestry;
wenzelm
parents: 29069
diff changeset
   167
    ancestors: theory list} *     (*all predecessors -- canonical reverse order*)
29095
a75f3ed534a0 tuned comments;
wenzelm
parents: 29093
diff changeset
   168
   (*history*)
29093
1cc36c0ec9eb refined identity and ancestry: explicit draft flat, ids are unnamed, name consistency is checked for ancestry;
wenzelm
parents: 29069
diff changeset
   169
   {name: string,                 (*official theory name*)
1cc36c0ec9eb refined identity and ancestry: explicit draft flat, ids are unnamed, name consistency is checked for ancestry;
wenzelm
parents: 29069
diff changeset
   170
    stage: int};                  (*checkpoint counter*)
16436
7eb6b6cbd166 added type theory: generic theory contexts with unique identity,
wenzelm
parents: 15801
diff changeset
   171
7eb6b6cbd166 added type theory: generic theory contexts with unique identity,
wenzelm
parents: 15801
diff changeset
   172
exception THEORY of string * theory list;
7eb6b6cbd166 added type theory: generic theory contexts with unique identity,
wenzelm
parents: 15801
diff changeset
   173
7eb6b6cbd166 added type theory: generic theory contexts with unique identity,
wenzelm
parents: 15801
diff changeset
   174
fun rep_theory (Theory args) = args;
7eb6b6cbd166 added type theory: generic theory contexts with unique identity,
wenzelm
parents: 15801
diff changeset
   175
7eb6b6cbd166 added type theory: generic theory contexts with unique identity,
wenzelm
parents: 15801
diff changeset
   176
val identity_of = #1 o rep_theory;
33033
wenzelm
parents: 33031
diff changeset
   177
val data_of = #2 o rep_theory;
16489
f66ab8a4e98f improved treatment of intermediate checkpoints: actual copy
wenzelm
parents: 16436
diff changeset
   178
val ancestry_of = #3 o rep_theory;
33033
wenzelm
parents: 33031
diff changeset
   179
val history_of = #4 o rep_theory;
16436
7eb6b6cbd166 added type theory: generic theory contexts with unique identity,
wenzelm
parents: 15801
diff changeset
   180
29093
1cc36c0ec9eb refined identity and ancestry: explicit draft flat, ids are unnamed, name consistency is checked for ancestry;
wenzelm
parents: 29069
diff changeset
   181
fun make_identity self draft id ids = {self = self, draft = draft, id = id, ids = ids};
16489
f66ab8a4e98f improved treatment of intermediate checkpoints: actual copy
wenzelm
parents: 16436
diff changeset
   182
fun make_ancestry parents ancestors = {parents = parents, ancestors = ancestors};
29093
1cc36c0ec9eb refined identity and ancestry: explicit draft flat, ids are unnamed, name consistency is checked for ancestry;
wenzelm
parents: 29069
diff changeset
   183
fun make_history name stage = {name = name, stage = stage};
16436
7eb6b6cbd166 added type theory: generic theory contexts with unique identity,
wenzelm
parents: 15801
diff changeset
   184
16533
f1152f75f6fc begin_thy: merge maximal imports;
wenzelm
parents: 16489
diff changeset
   185
val the_self = the o #self o identity_of;
16436
7eb6b6cbd166 added type theory: generic theory contexts with unique identity,
wenzelm
parents: 15801
diff changeset
   186
val parents_of = #parents o ancestry_of;
7eb6b6cbd166 added type theory: generic theory contexts with unique identity,
wenzelm
parents: 15801
diff changeset
   187
val ancestors_of = #ancestors o ancestry_of;
16489
f66ab8a4e98f improved treatment of intermediate checkpoints: actual copy
wenzelm
parents: 16436
diff changeset
   188
val theory_name = #name o history_of;
16436
7eb6b6cbd166 added type theory: generic theory contexts with unique identity,
wenzelm
parents: 15801
diff changeset
   189
7eb6b6cbd166 added type theory: generic theory contexts with unique identity,
wenzelm
parents: 15801
diff changeset
   190
7eb6b6cbd166 added type theory: generic theory contexts with unique identity,
wenzelm
parents: 15801
diff changeset
   191
(* staleness *)
7eb6b6cbd166 added type theory: generic theory contexts with unique identity,
wenzelm
parents: 15801
diff changeset
   192
29093
1cc36c0ec9eb refined identity and ancestry: explicit draft flat, ids are unnamed, name consistency is checked for ancestry;
wenzelm
parents: 29069
diff changeset
   193
fun eq_id (i: int, j) = i = j;
16436
7eb6b6cbd166 added type theory: generic theory contexts with unique identity,
wenzelm
parents: 15801
diff changeset
   194
7eb6b6cbd166 added type theory: generic theory contexts with unique identity,
wenzelm
parents: 15801
diff changeset
   195
fun is_stale
32738
15bb09ca0378 explicit indication of Unsynchronized.ref;
wenzelm
parents: 31971
diff changeset
   196
    (Theory ({self =
15bb09ca0378 explicit indication of Unsynchronized.ref;
wenzelm
parents: 31971
diff changeset
   197
        SOME (Unsynchronized.ref (Theory ({id = id', ...}, _, _, _))), id, ...}, _, _, _)) =
16436
7eb6b6cbd166 added type theory: generic theory contexts with unique identity,
wenzelm
parents: 15801
diff changeset
   198
      not (eq_id (id, id'))
7eb6b6cbd166 added type theory: generic theory contexts with unique identity,
wenzelm
parents: 15801
diff changeset
   199
  | is_stale (Theory ({self = NONE, ...}, _, _, _)) = true;
7eb6b6cbd166 added type theory: generic theory contexts with unique identity,
wenzelm
parents: 15801
diff changeset
   200
7eb6b6cbd166 added type theory: generic theory contexts with unique identity,
wenzelm
parents: 15801
diff changeset
   201
fun vitalize (thy as Theory ({self = SOME r, ...}, _, _, _)) = (r := thy; thy)
29093
1cc36c0ec9eb refined identity and ancestry: explicit draft flat, ids are unnamed, name consistency is checked for ancestry;
wenzelm
parents: 29069
diff changeset
   202
  | vitalize (thy as Theory ({self = NONE, draft, id, ids}, data, ancestry, history)) =
16436
7eb6b6cbd166 added type theory: generic theory contexts with unique identity,
wenzelm
parents: 15801
diff changeset
   203
      let
32738
15bb09ca0378 explicit indication of Unsynchronized.ref;
wenzelm
parents: 31971
diff changeset
   204
        val r = Unsynchronized.ref thy;
29093
1cc36c0ec9eb refined identity and ancestry: explicit draft flat, ids are unnamed, name consistency is checked for ancestry;
wenzelm
parents: 29069
diff changeset
   205
        val thy' = Theory (make_identity (SOME r) draft id ids, data, ancestry, history);
16436
7eb6b6cbd166 added type theory: generic theory contexts with unique identity,
wenzelm
parents: 15801
diff changeset
   206
      in r := thy'; thy' end;
7eb6b6cbd166 added type theory: generic theory contexts with unique identity,
wenzelm
parents: 15801
diff changeset
   207
7eb6b6cbd166 added type theory: generic theory contexts with unique identity,
wenzelm
parents: 15801
diff changeset
   208
29093
1cc36c0ec9eb refined identity and ancestry: explicit draft flat, ids are unnamed, name consistency is checked for ancestry;
wenzelm
parents: 29069
diff changeset
   209
(* draft mode *)
16436
7eb6b6cbd166 added type theory: generic theory contexts with unique identity,
wenzelm
parents: 15801
diff changeset
   210
29093
1cc36c0ec9eb refined identity and ancestry: explicit draft flat, ids are unnamed, name consistency is checked for ancestry;
wenzelm
parents: 29069
diff changeset
   211
val is_draft = #draft o identity_of;
16436
7eb6b6cbd166 added type theory: generic theory contexts with unique identity,
wenzelm
parents: 15801
diff changeset
   212
28317
83c4fc383409 added reject_draft;
wenzelm
parents: 28122
diff changeset
   213
fun reject_draft thy =
33031
b75c35574e04 backpatching of structure Proof and ProofContext -- avoid odd aliases;
wenzelm
parents: 32784
diff changeset
   214
  if is_draft thy then
b75c35574e04 backpatching of structure Proof and ProofContext -- avoid odd aliases;
wenzelm
parents: 32784
diff changeset
   215
    raise THEORY ("Illegal draft theory -- stable checkpoint required", [thy])
28317
83c4fc383409 added reject_draft;
wenzelm
parents: 28122
diff changeset
   216
  else thy;
83c4fc383409 added reject_draft;
wenzelm
parents: 28122
diff changeset
   217
29093
1cc36c0ec9eb refined identity and ancestry: explicit draft flat, ids are unnamed, name consistency is checked for ancestry;
wenzelm
parents: 29069
diff changeset
   218
1cc36c0ec9eb refined identity and ancestry: explicit draft flat, ids are unnamed, name consistency is checked for ancestry;
wenzelm
parents: 29069
diff changeset
   219
(* names *)
1cc36c0ec9eb refined identity and ancestry: explicit draft flat, ids are unnamed, name consistency is checked for ancestry;
wenzelm
parents: 29069
diff changeset
   220
1cc36c0ec9eb refined identity and ancestry: explicit draft flat, ids are unnamed, name consistency is checked for ancestry;
wenzelm
parents: 29069
diff changeset
   221
val PureN = "Pure";
1cc36c0ec9eb refined identity and ancestry: explicit draft flat, ids are unnamed, name consistency is checked for ancestry;
wenzelm
parents: 29069
diff changeset
   222
val draftN = "#";
29095
a75f3ed534a0 tuned comments;
wenzelm
parents: 29093
diff changeset
   223
val finished = ~1;
16436
7eb6b6cbd166 added type theory: generic theory contexts with unique identity,
wenzelm
parents: 15801
diff changeset
   224
29093
1cc36c0ec9eb refined identity and ancestry: explicit draft flat, ids are unnamed, name consistency is checked for ancestry;
wenzelm
parents: 29069
diff changeset
   225
fun display_names thy =
1cc36c0ec9eb refined identity and ancestry: explicit draft flat, ids are unnamed, name consistency is checked for ancestry;
wenzelm
parents: 29069
diff changeset
   226
  let
1cc36c0ec9eb refined identity and ancestry: explicit draft flat, ids are unnamed, name consistency is checked for ancestry;
wenzelm
parents: 29069
diff changeset
   227
    val draft = if is_draft thy then [draftN] else [];
29095
a75f3ed534a0 tuned comments;
wenzelm
parents: 29093
diff changeset
   228
    val {stage, ...} = history_of thy;
29093
1cc36c0ec9eb refined identity and ancestry: explicit draft flat, ids are unnamed, name consistency is checked for ancestry;
wenzelm
parents: 29069
diff changeset
   229
    val name =
29095
a75f3ed534a0 tuned comments;
wenzelm
parents: 29093
diff changeset
   230
      if stage = finished then theory_name thy
a75f3ed534a0 tuned comments;
wenzelm
parents: 29093
diff changeset
   231
      else theory_name thy ^ ":" ^ string_of_int stage;
29093
1cc36c0ec9eb refined identity and ancestry: explicit draft flat, ids are unnamed, name consistency is checked for ancestry;
wenzelm
parents: 29069
diff changeset
   232
    val ancestor_names = map theory_name (ancestors_of thy);
1cc36c0ec9eb refined identity and ancestry: explicit draft flat, ids are unnamed, name consistency is checked for ancestry;
wenzelm
parents: 29069
diff changeset
   233
    val stale = if is_stale thy then ["!"] else [];
1cc36c0ec9eb refined identity and ancestry: explicit draft flat, ids are unnamed, name consistency is checked for ancestry;
wenzelm
parents: 29069
diff changeset
   234
  in rev (stale @ draft @ [name] @ ancestor_names) end;
29069
c7ba485581ae unified ids for ancestors and checkpoints, removed obsolete history of checkpoints;
wenzelm
parents: 29001
diff changeset
   235
29093
1cc36c0ec9eb refined identity and ancestry: explicit draft flat, ids are unnamed, name consistency is checked for ancestry;
wenzelm
parents: 29069
diff changeset
   236
val pretty_thy = Pretty.str_list "{" "}" o display_names;
16436
7eb6b6cbd166 added type theory: generic theory contexts with unique identity,
wenzelm
parents: 15801
diff changeset
   237
val string_of_thy = Pretty.string_of o pretty_thy;
7eb6b6cbd166 added type theory: generic theory contexts with unique identity,
wenzelm
parents: 15801
diff changeset
   238
7eb6b6cbd166 added type theory: generic theory contexts with unique identity,
wenzelm
parents: 15801
diff changeset
   239
fun pretty_abbrev_thy thy =
7eb6b6cbd166 added type theory: generic theory contexts with unique identity,
wenzelm
parents: 15801
diff changeset
   240
  let
29093
1cc36c0ec9eb refined identity and ancestry: explicit draft flat, ids are unnamed, name consistency is checked for ancestry;
wenzelm
parents: 29069
diff changeset
   241
    val names = display_names thy;
16436
7eb6b6cbd166 added type theory: generic theory contexts with unique identity,
wenzelm
parents: 15801
diff changeset
   242
    val n = length names;
7eb6b6cbd166 added type theory: generic theory contexts with unique identity,
wenzelm
parents: 15801
diff changeset
   243
    val abbrev = if n > 5 then "..." :: List.drop (names, n - 5) else names;
7eb6b6cbd166 added type theory: generic theory contexts with unique identity,
wenzelm
parents: 15801
diff changeset
   244
  in Pretty.str_list "{" "}" abbrev end;
7eb6b6cbd166 added type theory: generic theory contexts with unique identity,
wenzelm
parents: 15801
diff changeset
   245
7eb6b6cbd166 added type theory: generic theory contexts with unique identity,
wenzelm
parents: 15801
diff changeset
   246
val str_of_thy = Pretty.str_of o pretty_abbrev_thy;
7eb6b6cbd166 added type theory: generic theory contexts with unique identity,
wenzelm
parents: 15801
diff changeset
   247
37867
b9783e9e96e1 added Context.get_theory -- avoid referring to accidental theory loader state (cf. Thy_Info.get_theory);
wenzelm
parents: 37852
diff changeset
   248
fun get_theory thy name =
b9783e9e96e1 added Context.get_theory -- avoid referring to accidental theory loader state (cf. Thy_Info.get_theory);
wenzelm
parents: 37852
diff changeset
   249
  if theory_name thy <> name then
b9783e9e96e1 added Context.get_theory -- avoid referring to accidental theory loader state (cf. Thy_Info.get_theory);
wenzelm
parents: 37852
diff changeset
   250
    (case find_first (fn thy' => theory_name thy' = name) (ancestors_of thy) of
b9783e9e96e1 added Context.get_theory -- avoid referring to accidental theory loader state (cf. Thy_Info.get_theory);
wenzelm
parents: 37852
diff changeset
   251
      SOME thy' => thy'
b9783e9e96e1 added Context.get_theory -- avoid referring to accidental theory loader state (cf. Thy_Info.get_theory);
wenzelm
parents: 37852
diff changeset
   252
    | NONE => error ("Unknown ancestor theory " ^ quote name))
b9783e9e96e1 added Context.get_theory -- avoid referring to accidental theory loader state (cf. Thy_Info.get_theory);
wenzelm
parents: 37852
diff changeset
   253
  else if #stage (history_of thy) = finished then thy
b9783e9e96e1 added Context.get_theory -- avoid referring to accidental theory loader state (cf. Thy_Info.get_theory);
wenzelm
parents: 37852
diff changeset
   254
  else error ("Unfinished theory " ^ quote name);
b9783e9e96e1 added Context.get_theory -- avoid referring to accidental theory loader state (cf. Thy_Info.get_theory);
wenzelm
parents: 37852
diff changeset
   255
16436
7eb6b6cbd166 added type theory: generic theory contexts with unique identity,
wenzelm
parents: 15801
diff changeset
   256
24141
73baca986087 improved check_thy: produce a checked theory_ref (thread-safe version);
wenzelm
parents: 23944
diff changeset
   257
(* theory references *)
73baca986087 improved check_thy: produce a checked theory_ref (thread-safe version);
wenzelm
parents: 23944
diff changeset
   258
73baca986087 improved check_thy: produce a checked theory_ref (thread-safe version);
wenzelm
parents: 23944
diff changeset
   259
(*theory_ref provides a safe way to store dynamic references to a
73baca986087 improved check_thy: produce a checked theory_ref (thread-safe version);
wenzelm
parents: 23944
diff changeset
   260
  theory in external data structures -- a plain theory value would
73baca986087 improved check_thy: produce a checked theory_ref (thread-safe version);
wenzelm
parents: 23944
diff changeset
   261
  become stale as the self reference moves on*)
73baca986087 improved check_thy: produce a checked theory_ref (thread-safe version);
wenzelm
parents: 23944
diff changeset
   262
33033
wenzelm
parents: 33031
diff changeset
   263
datatype theory_ref = Theory_Ref of theory Unsynchronized.ref;
16436
7eb6b6cbd166 added type theory: generic theory contexts with unique identity,
wenzelm
parents: 15801
diff changeset
   264
33033
wenzelm
parents: 33031
diff changeset
   265
fun deref (Theory_Ref (Unsynchronized.ref thy)) = thy;
24141
73baca986087 improved check_thy: produce a checked theory_ref (thread-safe version);
wenzelm
parents: 23944
diff changeset
   266
73baca986087 improved check_thy: produce a checked theory_ref (thread-safe version);
wenzelm
parents: 23944
diff changeset
   267
fun check_thy thy =  (*thread-safe version*)
33033
wenzelm
parents: 33031
diff changeset
   268
  let val thy_ref = Theory_Ref (the_self thy) in
24141
73baca986087 improved check_thy: produce a checked theory_ref (thread-safe version);
wenzelm
parents: 23944
diff changeset
   269
    if is_stale thy then error ("Stale theory encountered:\n" ^ string_of_thy thy)
73baca986087 improved check_thy: produce a checked theory_ref (thread-safe version);
wenzelm
parents: 23944
diff changeset
   270
    else thy_ref
73baca986087 improved check_thy: produce a checked theory_ref (thread-safe version);
wenzelm
parents: 23944
diff changeset
   271
  end;
73baca986087 improved check_thy: produce a checked theory_ref (thread-safe version);
wenzelm
parents: 23944
diff changeset
   272
73baca986087 improved check_thy: produce a checked theory_ref (thread-safe version);
wenzelm
parents: 23944
diff changeset
   273
29093
1cc36c0ec9eb refined identity and ancestry: explicit draft flat, ids are unnamed, name consistency is checked for ancestry;
wenzelm
parents: 29069
diff changeset
   274
(* build ids *)
1cc36c0ec9eb refined identity and ancestry: explicit draft flat, ids are unnamed, name consistency is checked for ancestry;
wenzelm
parents: 29069
diff changeset
   275
1cc36c0ec9eb refined identity and ancestry: explicit draft flat, ids are unnamed, name consistency is checked for ancestry;
wenzelm
parents: 29069
diff changeset
   276
fun insert_id draft id ids =
1cc36c0ec9eb refined identity and ancestry: explicit draft flat, ids are unnamed, name consistency is checked for ancestry;
wenzelm
parents: 29069
diff changeset
   277
  if draft then ids
1cc36c0ec9eb refined identity and ancestry: explicit draft flat, ids are unnamed, name consistency is checked for ancestry;
wenzelm
parents: 29069
diff changeset
   278
  else Inttab.update (id, ()) ids;
16436
7eb6b6cbd166 added type theory: generic theory contexts with unique identity,
wenzelm
parents: 15801
diff changeset
   279
29093
1cc36c0ec9eb refined identity and ancestry: explicit draft flat, ids are unnamed, name consistency is checked for ancestry;
wenzelm
parents: 29069
diff changeset
   280
fun merge_ids
1cc36c0ec9eb refined identity and ancestry: explicit draft flat, ids are unnamed, name consistency is checked for ancestry;
wenzelm
parents: 29069
diff changeset
   281
    (Theory ({draft = draft1, id = id1, ids = ids1, ...}, _, _, _))
1cc36c0ec9eb refined identity and ancestry: explicit draft flat, ids are unnamed, name consistency is checked for ancestry;
wenzelm
parents: 29069
diff changeset
   282
    (Theory ({draft = draft2, id = id2, ids = ids2, ...}, _, _, _)) =
1cc36c0ec9eb refined identity and ancestry: explicit draft flat, ids are unnamed, name consistency is checked for ancestry;
wenzelm
parents: 29069
diff changeset
   283
  Inttab.merge (K true) (ids1, ids2)
1cc36c0ec9eb refined identity and ancestry: explicit draft flat, ids are unnamed, name consistency is checked for ancestry;
wenzelm
parents: 29069
diff changeset
   284
  |> insert_id draft1 id1
1cc36c0ec9eb refined identity and ancestry: explicit draft flat, ids are unnamed, name consistency is checked for ancestry;
wenzelm
parents: 29069
diff changeset
   285
  |> insert_id draft2 id2;
16436
7eb6b6cbd166 added type theory: generic theory contexts with unique identity,
wenzelm
parents: 15801
diff changeset
   286
7eb6b6cbd166 added type theory: generic theory contexts with unique identity,
wenzelm
parents: 15801
diff changeset
   287
16533
f1152f75f6fc begin_thy: merge maximal imports;
wenzelm
parents: 16489
diff changeset
   288
(* equality and inclusion *)
f1152f75f6fc begin_thy: merge maximal imports;
wenzelm
parents: 16489
diff changeset
   289
24141
73baca986087 improved check_thy: produce a checked theory_ref (thread-safe version);
wenzelm
parents: 23944
diff changeset
   290
val eq_thy = eq_id o pairself (#id o identity_of);
16533
f1152f75f6fc begin_thy: merge maximal imports;
wenzelm
parents: 16489
diff changeset
   291
29069
c7ba485581ae unified ids for ancestors and checkpoints, removed obsolete history of checkpoints;
wenzelm
parents: 29001
diff changeset
   292
fun proper_subthy (Theory ({id, ...}, _, _, _), Theory ({ids, ...}, _, _, _)) =
29093
1cc36c0ec9eb refined identity and ancestry: explicit draft flat, ids are unnamed, name consistency is checked for ancestry;
wenzelm
parents: 29069
diff changeset
   293
  Inttab.defined ids id;
16533
f1152f75f6fc begin_thy: merge maximal imports;
wenzelm
parents: 16489
diff changeset
   294
f1152f75f6fc begin_thy: merge maximal imports;
wenzelm
parents: 16489
diff changeset
   295
fun subthy thys = eq_thy thys orelse proper_subthy thys;
f1152f75f6fc begin_thy: merge maximal imports;
wenzelm
parents: 16489
diff changeset
   296
16594
5d73fbf4eb1e added joinable;
wenzelm
parents: 16533
diff changeset
   297
fun joinable (thy1, thy2) = subthy (thy1, thy2) orelse subthy (thy2, thy1);
5d73fbf4eb1e added joinable;
wenzelm
parents: 16533
diff changeset
   298
16533
f1152f75f6fc begin_thy: merge maximal imports;
wenzelm
parents: 16489
diff changeset
   299
29093
1cc36c0ec9eb refined identity and ancestry: explicit draft flat, ids are unnamed, name consistency is checked for ancestry;
wenzelm
parents: 29069
diff changeset
   300
(* consistent ancestors *)
1cc36c0ec9eb refined identity and ancestry: explicit draft flat, ids are unnamed, name consistency is checked for ancestry;
wenzelm
parents: 29069
diff changeset
   301
1cc36c0ec9eb refined identity and ancestry: explicit draft flat, ids are unnamed, name consistency is checked for ancestry;
wenzelm
parents: 29069
diff changeset
   302
fun extend_ancestors thy thys =
33033
wenzelm
parents: 33031
diff changeset
   303
  if member eq_thy thys thy then
wenzelm
parents: 33031
diff changeset
   304
    raise THEORY ("Duplicate theory node", thy :: thys)
29093
1cc36c0ec9eb refined identity and ancestry: explicit draft flat, ids are unnamed, name consistency is checked for ancestry;
wenzelm
parents: 29069
diff changeset
   305
  else thy :: thys;
1cc36c0ec9eb refined identity and ancestry: explicit draft flat, ids are unnamed, name consistency is checked for ancestry;
wenzelm
parents: 29069
diff changeset
   306
1cc36c0ec9eb refined identity and ancestry: explicit draft flat, ids are unnamed, name consistency is checked for ancestry;
wenzelm
parents: 29069
diff changeset
   307
fun extend_ancestors_of thy = extend_ancestors thy (ancestors_of thy);
1cc36c0ec9eb refined identity and ancestry: explicit draft flat, ids are unnamed, name consistency is checked for ancestry;
wenzelm
parents: 29069
diff changeset
   308
1cc36c0ec9eb refined identity and ancestry: explicit draft flat, ids are unnamed, name consistency is checked for ancestry;
wenzelm
parents: 29069
diff changeset
   309
val merge_ancestors = merge (fn (thy1, thy2) =>
1cc36c0ec9eb refined identity and ancestry: explicit draft flat, ids are unnamed, name consistency is checked for ancestry;
wenzelm
parents: 29069
diff changeset
   310
  eq_thy (thy1, thy2) orelse
1cc36c0ec9eb refined identity and ancestry: explicit draft flat, ids are unnamed, name consistency is checked for ancestry;
wenzelm
parents: 29069
diff changeset
   311
    theory_name thy1 = theory_name thy2 andalso
1cc36c0ec9eb refined identity and ancestry: explicit draft flat, ids are unnamed, name consistency is checked for ancestry;
wenzelm
parents: 29069
diff changeset
   312
      raise THEORY ("Inconsistent theory versions", [thy1, thy2]));
1cc36c0ec9eb refined identity and ancestry: explicit draft flat, ids are unnamed, name consistency is checked for ancestry;
wenzelm
parents: 29069
diff changeset
   313
1cc36c0ec9eb refined identity and ancestry: explicit draft flat, ids are unnamed, name consistency is checked for ancestry;
wenzelm
parents: 29069
diff changeset
   314
23355
d2c033fd4514 merge/merge_refs: plain error instead of exception TERM;
wenzelm
parents: 22847
diff changeset
   315
(* trivial merge *)
16436
7eb6b6cbd166 added type theory: generic theory contexts with unique identity,
wenzelm
parents: 15801
diff changeset
   316
7eb6b6cbd166 added type theory: generic theory contexts with unique identity,
wenzelm
parents: 15801
diff changeset
   317
fun merge (thy1, thy2) =
16719
5c5eb939f6eb check_thy: less invocations, less verbose;
wenzelm
parents: 16594
diff changeset
   318
  if eq_thy (thy1, thy2) then thy1
5c5eb939f6eb check_thy: less invocations, less verbose;
wenzelm
parents: 16594
diff changeset
   319
  else if proper_subthy (thy2, thy1) then thy1
5c5eb939f6eb check_thy: less invocations, less verbose;
wenzelm
parents: 16594
diff changeset
   320
  else if proper_subthy (thy1, thy2) then thy2
29093
1cc36c0ec9eb refined identity and ancestry: explicit draft flat, ids are unnamed, name consistency is checked for ancestry;
wenzelm
parents: 29069
diff changeset
   321
  else error (cat_lines ["Attempt to perform non-trivial merge of theories:",
1cc36c0ec9eb refined identity and ancestry: explicit draft flat, ids are unnamed, name consistency is checked for ancestry;
wenzelm
parents: 29069
diff changeset
   322
    str_of_thy thy1, str_of_thy thy2]);
16436
7eb6b6cbd166 added type theory: generic theory contexts with unique identity,
wenzelm
parents: 15801
diff changeset
   323
16719
5c5eb939f6eb check_thy: less invocations, less verbose;
wenzelm
parents: 16594
diff changeset
   324
fun merge_refs (ref1, ref2) =
5c5eb939f6eb check_thy: less invocations, less verbose;
wenzelm
parents: 16594
diff changeset
   325
  if ref1 = ref2 then ref1
24141
73baca986087 improved check_thy: produce a checked theory_ref (thread-safe version);
wenzelm
parents: 23944
diff changeset
   326
  else check_thy (merge (deref ref1, deref ref2));
16436
7eb6b6cbd166 added type theory: generic theory contexts with unique identity,
wenzelm
parents: 15801
diff changeset
   327
7eb6b6cbd166 added type theory: generic theory contexts with unique identity,
wenzelm
parents: 15801
diff changeset
   328
16489
f66ab8a4e98f improved treatment of intermediate checkpoints: actual copy
wenzelm
parents: 16436
diff changeset
   329
f66ab8a4e98f improved treatment of intermediate checkpoints: actual copy
wenzelm
parents: 16436
diff changeset
   330
(** build theories **)
f66ab8a4e98f improved treatment of intermediate checkpoints: actual copy
wenzelm
parents: 16436
diff changeset
   331
f66ab8a4e98f improved treatment of intermediate checkpoints: actual copy
wenzelm
parents: 16436
diff changeset
   332
(* primitives *)
f66ab8a4e98f improved treatment of intermediate checkpoints: actual copy
wenzelm
parents: 16436
diff changeset
   333
33606
2b27020ffcb2 local mutex for theory content/identity operations;
wenzelm
parents: 33517
diff changeset
   334
local
2b27020ffcb2 local mutex for theory content/identity operations;
wenzelm
parents: 33517
diff changeset
   335
  val lock = Mutex.mutex ();
2b27020ffcb2 local mutex for theory content/identity operations;
wenzelm
parents: 33517
diff changeset
   336
in
37216
3165bc303f66 modernized some structure names, keeping a few legacy aliases;
wenzelm
parents: 36610
diff changeset
   337
  fun SYNCHRONIZED e = Simple_Thread.synchronized "theory" lock e;
33606
2b27020ffcb2 local mutex for theory content/identity operations;
wenzelm
parents: 33517
diff changeset
   338
end;
2b27020ffcb2 local mutex for theory content/identity operations;
wenzelm
parents: 33517
diff changeset
   339
29093
1cc36c0ec9eb refined identity and ancestry: explicit draft flat, ids are unnamed, name consistency is checked for ancestry;
wenzelm
parents: 29069
diff changeset
   340
fun create_thy self draft ids data ancestry history =
1cc36c0ec9eb refined identity and ancestry: explicit draft flat, ids are unnamed, name consistency is checked for ancestry;
wenzelm
parents: 29069
diff changeset
   341
  let val identity = make_identity self draft (serial ()) ids;
1cc36c0ec9eb refined identity and ancestry: explicit draft flat, ids are unnamed, name consistency is checked for ancestry;
wenzelm
parents: 29069
diff changeset
   342
  in vitalize (Theory (identity, data, ancestry, history)) end;
16436
7eb6b6cbd166 added type theory: generic theory contexts with unique identity,
wenzelm
parents: 15801
diff changeset
   343
29093
1cc36c0ec9eb refined identity and ancestry: explicit draft flat, ids are unnamed, name consistency is checked for ancestry;
wenzelm
parents: 29069
diff changeset
   344
fun change_thy draft' f thy =
16489
f66ab8a4e98f improved treatment of intermediate checkpoints: actual copy
wenzelm
parents: 16436
diff changeset
   345
  let
29093
1cc36c0ec9eb refined identity and ancestry: explicit draft flat, ids are unnamed, name consistency is checked for ancestry;
wenzelm
parents: 29069
diff changeset
   346
    val Theory ({self, draft, id, ids}, data, ancestry, history) = thy;
16489
f66ab8a4e98f improved treatment of intermediate checkpoints: actual copy
wenzelm
parents: 16436
diff changeset
   347
    val (self', data', ancestry') =
29093
1cc36c0ec9eb refined identity and ancestry: explicit draft flat, ids are unnamed, name consistency is checked for ancestry;
wenzelm
parents: 29069
diff changeset
   348
      if draft then (self, data, ancestry)    (*destructive change!*)
1cc36c0ec9eb refined identity and ancestry: explicit draft flat, ids are unnamed, name consistency is checked for ancestry;
wenzelm
parents: 29069
diff changeset
   349
      else if #stage history > 0
34245
25bd3ed2ac9f dropped copy operation for legacy TheoryDataFun
haftmann
parents: 33606
diff changeset
   350
      then (NONE, data, ancestry)
29093
1cc36c0ec9eb refined identity and ancestry: explicit draft flat, ids are unnamed, name consistency is checked for ancestry;
wenzelm
parents: 29069
diff changeset
   351
      else (NONE, extend_data data, make_ancestry [thy] (extend_ancestors_of thy));
1cc36c0ec9eb refined identity and ancestry: explicit draft flat, ids are unnamed, name consistency is checked for ancestry;
wenzelm
parents: 29069
diff changeset
   352
    val ids' = insert_id draft id ids;
16489
f66ab8a4e98f improved treatment of intermediate checkpoints: actual copy
wenzelm
parents: 16436
diff changeset
   353
    val data'' = f data';
33606
2b27020ffcb2 local mutex for theory content/identity operations;
wenzelm
parents: 33517
diff changeset
   354
    val thy' = SYNCHRONIZED (fn () =>
29093
1cc36c0ec9eb refined identity and ancestry: explicit draft flat, ids are unnamed, name consistency is checked for ancestry;
wenzelm
parents: 29069
diff changeset
   355
      (check_thy thy; create_thy self' draft' ids' data'' ancestry' history));
24369
0cb1f4d76452 tuned CRITICAL sections;
wenzelm
parents: 24184
diff changeset
   356
  in thy' end;
16489
f66ab8a4e98f improved treatment of intermediate checkpoints: actual copy
wenzelm
parents: 16436
diff changeset
   357
29093
1cc36c0ec9eb refined identity and ancestry: explicit draft flat, ids are unnamed, name consistency is checked for ancestry;
wenzelm
parents: 29069
diff changeset
   358
val name_thy = change_thy false I;
1cc36c0ec9eb refined identity and ancestry: explicit draft flat, ids are unnamed, name consistency is checked for ancestry;
wenzelm
parents: 29069
diff changeset
   359
val extend_thy = change_thy true I;
1cc36c0ec9eb refined identity and ancestry: explicit draft flat, ids are unnamed, name consistency is checked for ancestry;
wenzelm
parents: 29069
diff changeset
   360
val modify_thy = change_thy true;
16489
f66ab8a4e98f improved treatment of intermediate checkpoints: actual copy
wenzelm
parents: 16436
diff changeset
   361
24369
0cb1f4d76452 tuned CRITICAL sections;
wenzelm
parents: 24184
diff changeset
   362
fun copy_thy thy =
24141
73baca986087 improved check_thy: produce a checked theory_ref (thread-safe version);
wenzelm
parents: 23944
diff changeset
   363
  let
29093
1cc36c0ec9eb refined identity and ancestry: explicit draft flat, ids are unnamed, name consistency is checked for ancestry;
wenzelm
parents: 29069
diff changeset
   364
    val Theory ({draft, id, ids, ...}, data, ancestry, history) = thy;
1cc36c0ec9eb refined identity and ancestry: explicit draft flat, ids are unnamed, name consistency is checked for ancestry;
wenzelm
parents: 29069
diff changeset
   365
    val ids' = insert_id draft id ids;
33606
2b27020ffcb2 local mutex for theory content/identity operations;
wenzelm
parents: 33517
diff changeset
   366
    val thy' = SYNCHRONIZED (fn () =>
34245
25bd3ed2ac9f dropped copy operation for legacy TheoryDataFun
haftmann
parents: 33606
diff changeset
   367
      (check_thy thy; create_thy NONE true ids' data ancestry history));
24369
0cb1f4d76452 tuned CRITICAL sections;
wenzelm
parents: 24184
diff changeset
   368
  in thy' end;
16489
f66ab8a4e98f improved treatment of intermediate checkpoints: actual copy
wenzelm
parents: 16436
diff changeset
   369
29093
1cc36c0ec9eb refined identity and ancestry: explicit draft flat, ids are unnamed, name consistency is checked for ancestry;
wenzelm
parents: 29069
diff changeset
   370
val pre_pure_thy = create_thy NONE true Inttab.empty
29069
c7ba485581ae unified ids for ancestors and checkpoints, removed obsolete history of checkpoints;
wenzelm
parents: 29001
diff changeset
   371
  Datatab.empty (make_ancestry [] []) (make_history PureN 0);
16489
f66ab8a4e98f improved treatment of intermediate checkpoints: actual copy
wenzelm
parents: 16436
diff changeset
   372
f66ab8a4e98f improved treatment of intermediate checkpoints: actual copy
wenzelm
parents: 16436
diff changeset
   373
f66ab8a4e98f improved treatment of intermediate checkpoints: actual copy
wenzelm
parents: 16436
diff changeset
   374
(* named theory nodes *)
f66ab8a4e98f improved treatment of intermediate checkpoints: actual copy
wenzelm
parents: 16436
diff changeset
   375
f66ab8a4e98f improved treatment of intermediate checkpoints: actual copy
wenzelm
parents: 16436
diff changeset
   376
fun merge_thys pp (thy1, thy2) =
26957
e3f04fdd994d eliminated theory CPure;
wenzelm
parents: 26889
diff changeset
   377
  let
29093
1cc36c0ec9eb refined identity and ancestry: explicit draft flat, ids are unnamed, name consistency is checked for ancestry;
wenzelm
parents: 29069
diff changeset
   378
    val ids = merge_ids thy1 thy2;
26957
e3f04fdd994d eliminated theory CPure;
wenzelm
parents: 26889
diff changeset
   379
    val data = merge_data (pp thy1) (data_of thy1, data_of thy2);
e3f04fdd994d eliminated theory CPure;
wenzelm
parents: 26889
diff changeset
   380
    val ancestry = make_ancestry [] [];
29069
c7ba485581ae unified ids for ancestors and checkpoints, removed obsolete history of checkpoints;
wenzelm
parents: 29001
diff changeset
   381
    val history = make_history "" 0;
33606
2b27020ffcb2 local mutex for theory content/identity operations;
wenzelm
parents: 33517
diff changeset
   382
    val thy' = SYNCHRONIZED (fn () =>
29093
1cc36c0ec9eb refined identity and ancestry: explicit draft flat, ids are unnamed, name consistency is checked for ancestry;
wenzelm
parents: 29069
diff changeset
   383
     (check_thy thy1; check_thy thy2; create_thy NONE true ids data ancestry history));
26957
e3f04fdd994d eliminated theory CPure;
wenzelm
parents: 26889
diff changeset
   384
  in thy' end;
16489
f66ab8a4e98f improved treatment of intermediate checkpoints: actual copy
wenzelm
parents: 16436
diff changeset
   385
16533
f1152f75f6fc begin_thy: merge maximal imports;
wenzelm
parents: 16489
diff changeset
   386
fun maximal_thys thys =
28617
wenzelm
parents: 28375
diff changeset
   387
  thys |> filter_out (fn thy => exists (fn thy' => proper_subthy (thy, thy')) thys);
16533
f1152f75f6fc begin_thy: merge maximal imports;
wenzelm
parents: 16489
diff changeset
   388
16489
f66ab8a4e98f improved treatment of intermediate checkpoints: actual copy
wenzelm
parents: 16436
diff changeset
   389
fun begin_thy pp name imports =
29093
1cc36c0ec9eb refined identity and ancestry: explicit draft flat, ids are unnamed, name consistency is checked for ancestry;
wenzelm
parents: 29069
diff changeset
   390
  if name = "" orelse name = draftN then error ("Bad theory name: " ^ quote name)
24369
0cb1f4d76452 tuned CRITICAL sections;
wenzelm
parents: 24184
diff changeset
   391
  else
16489
f66ab8a4e98f improved treatment of intermediate checkpoints: actual copy
wenzelm
parents: 16436
diff changeset
   392
    let
24141
73baca986087 improved check_thy: produce a checked theory_ref (thread-safe version);
wenzelm
parents: 23944
diff changeset
   393
      val parents = maximal_thys (distinct eq_thy imports);
29093
1cc36c0ec9eb refined identity and ancestry: explicit draft flat, ids are unnamed, name consistency is checked for ancestry;
wenzelm
parents: 29069
diff changeset
   394
      val ancestors =
1cc36c0ec9eb refined identity and ancestry: explicit draft flat, ids are unnamed, name consistency is checked for ancestry;
wenzelm
parents: 29069
diff changeset
   395
        Library.foldl merge_ancestors ([], map ancestors_of parents)
1cc36c0ec9eb refined identity and ancestry: explicit draft flat, ids are unnamed, name consistency is checked for ancestry;
wenzelm
parents: 29069
diff changeset
   396
        |> fold extend_ancestors parents;
1cc36c0ec9eb refined identity and ancestry: explicit draft flat, ids are unnamed, name consistency is checked for ancestry;
wenzelm
parents: 29069
diff changeset
   397
1cc36c0ec9eb refined identity and ancestry: explicit draft flat, ids are unnamed, name consistency is checked for ancestry;
wenzelm
parents: 29069
diff changeset
   398
      val Theory ({ids, ...}, data, _, _) =
16489
f66ab8a4e98f improved treatment of intermediate checkpoints: actual copy
wenzelm
parents: 16436
diff changeset
   399
        (case parents of
f66ab8a4e98f improved treatment of intermediate checkpoints: actual copy
wenzelm
parents: 16436
diff changeset
   400
          [] => error "No parent theories"
16533
f1152f75f6fc begin_thy: merge maximal imports;
wenzelm
parents: 16489
diff changeset
   401
        | [thy] => extend_thy thy
f1152f75f6fc begin_thy: merge maximal imports;
wenzelm
parents: 16489
diff changeset
   402
        | thy :: thys => Library.foldl (merge_thys pp) (thy, thys));
29093
1cc36c0ec9eb refined identity and ancestry: explicit draft flat, ids are unnamed, name consistency is checked for ancestry;
wenzelm
parents: 29069
diff changeset
   403
16489
f66ab8a4e98f improved treatment of intermediate checkpoints: actual copy
wenzelm
parents: 16436
diff changeset
   404
      val ancestry = make_ancestry parents ancestors;
29069
c7ba485581ae unified ids for ancestors and checkpoints, removed obsolete history of checkpoints;
wenzelm
parents: 29001
diff changeset
   405
      val history = make_history name 0;
33606
2b27020ffcb2 local mutex for theory content/identity operations;
wenzelm
parents: 33517
diff changeset
   406
      val thy' = SYNCHRONIZED (fn () =>
29093
1cc36c0ec9eb refined identity and ancestry: explicit draft flat, ids are unnamed, name consistency is checked for ancestry;
wenzelm
parents: 29069
diff changeset
   407
        (map check_thy imports; create_thy NONE true ids data ancestry history));
24369
0cb1f4d76452 tuned CRITICAL sections;
wenzelm
parents: 24184
diff changeset
   408
    in thy' end;
16436
7eb6b6cbd166 added type theory: generic theory contexts with unique identity,
wenzelm
parents: 15801
diff changeset
   409
7eb6b6cbd166 added type theory: generic theory contexts with unique identity,
wenzelm
parents: 15801
diff changeset
   410
29093
1cc36c0ec9eb refined identity and ancestry: explicit draft flat, ids are unnamed, name consistency is checked for ancestry;
wenzelm
parents: 29069
diff changeset
   411
(* history stages *)
1cc36c0ec9eb refined identity and ancestry: explicit draft flat, ids are unnamed, name consistency is checked for ancestry;
wenzelm
parents: 29069
diff changeset
   412
1cc36c0ec9eb refined identity and ancestry: explicit draft flat, ids are unnamed, name consistency is checked for ancestry;
wenzelm
parents: 29069
diff changeset
   413
fun history_stage f thy =
1cc36c0ec9eb refined identity and ancestry: explicit draft flat, ids are unnamed, name consistency is checked for ancestry;
wenzelm
parents: 29069
diff changeset
   414
  let
1cc36c0ec9eb refined identity and ancestry: explicit draft flat, ids are unnamed, name consistency is checked for ancestry;
wenzelm
parents: 29069
diff changeset
   415
    val {name, stage} = history_of thy;
29095
a75f3ed534a0 tuned comments;
wenzelm
parents: 29093
diff changeset
   416
    val _ = stage = finished andalso raise THEORY ("Theory already finished", [thy]);
29093
1cc36c0ec9eb refined identity and ancestry: explicit draft flat, ids are unnamed, name consistency is checked for ancestry;
wenzelm
parents: 29069
diff changeset
   417
    val history' = make_history name (f stage);
1cc36c0ec9eb refined identity and ancestry: explicit draft flat, ids are unnamed, name consistency is checked for ancestry;
wenzelm
parents: 29069
diff changeset
   418
    val thy' as Theory (identity', data', ancestry', _) = name_thy thy;
33606
2b27020ffcb2 local mutex for theory content/identity operations;
wenzelm
parents: 33517
diff changeset
   419
    val thy'' = SYNCHRONIZED (fn () =>
29093
1cc36c0ec9eb refined identity and ancestry: explicit draft flat, ids are unnamed, name consistency is checked for ancestry;
wenzelm
parents: 29069
diff changeset
   420
      (check_thy thy'; vitalize (Theory (identity', data', ancestry', history'))));
1cc36c0ec9eb refined identity and ancestry: explicit draft flat, ids are unnamed, name consistency is checked for ancestry;
wenzelm
parents: 29069
diff changeset
   421
  in thy'' end;
16436
7eb6b6cbd166 added type theory: generic theory contexts with unique identity,
wenzelm
parents: 15801
diff changeset
   422
16489
f66ab8a4e98f improved treatment of intermediate checkpoints: actual copy
wenzelm
parents: 16436
diff changeset
   423
fun checkpoint_thy thy =
29093
1cc36c0ec9eb refined identity and ancestry: explicit draft flat, ids are unnamed, name consistency is checked for ancestry;
wenzelm
parents: 29069
diff changeset
   424
  if is_draft thy then history_stage (fn stage => stage + 1) thy
1cc36c0ec9eb refined identity and ancestry: explicit draft flat, ids are unnamed, name consistency is checked for ancestry;
wenzelm
parents: 29069
diff changeset
   425
  else thy;
16489
f66ab8a4e98f improved treatment of intermediate checkpoints: actual copy
wenzelm
parents: 16436
diff changeset
   426
29095
a75f3ed534a0 tuned comments;
wenzelm
parents: 29093
diff changeset
   427
val finish_thy = history_stage (fn _ => finished);
16489
f66ab8a4e98f improved treatment of intermediate checkpoints: actual copy
wenzelm
parents: 16436
diff changeset
   428
f66ab8a4e98f improved treatment of intermediate checkpoints: actual copy
wenzelm
parents: 16436
diff changeset
   429
f66ab8a4e98f improved treatment of intermediate checkpoints: actual copy
wenzelm
parents: 16436
diff changeset
   430
(* theory data *)
16436
7eb6b6cbd166 added type theory: generic theory contexts with unique identity,
wenzelm
parents: 15801
diff changeset
   431
33033
wenzelm
parents: 33031
diff changeset
   432
structure Theory_Data =
16489
f66ab8a4e98f improved treatment of intermediate checkpoints: actual copy
wenzelm
parents: 16436
diff changeset
   433
struct
f66ab8a4e98f improved treatment of intermediate checkpoints: actual copy
wenzelm
parents: 16436
diff changeset
   434
f66ab8a4e98f improved treatment of intermediate checkpoints: actual copy
wenzelm
parents: 16436
diff changeset
   435
val declare = declare_theory_data;
f66ab8a4e98f improved treatment of intermediate checkpoints: actual copy
wenzelm
parents: 16436
diff changeset
   436
f66ab8a4e98f improved treatment of intermediate checkpoints: actual copy
wenzelm
parents: 16436
diff changeset
   437
fun get k dest thy =
34253
5930c6391126 removed further remains of mutable theory data (cf. 25bd3ed2ac9f);
wenzelm
parents: 34245
diff changeset
   438
  (case Datatab.lookup (data_of thy) k of
22847
22da6c4bc422 simplified DataFun interfaces: removed name/print, use adhoc value for uninitialized data, init only required for impure data;
wenzelm
parents: 22827
diff changeset
   439
    SOME x => x
34253
5930c6391126 removed further remains of mutable theory data (cf. 25bd3ed2ac9f);
wenzelm
parents: 34245
diff changeset
   440
  | NONE => invoke_empty k) |> dest;
16489
f66ab8a4e98f improved treatment of intermediate checkpoints: actual copy
wenzelm
parents: 16436
diff changeset
   441
22847
22da6c4bc422 simplified DataFun interfaces: removed name/print, use adhoc value for uninitialized data, init only required for impure data;
wenzelm
parents: 22827
diff changeset
   442
fun put k mk x = modify_thy (Datatab.update (k, mk x));
16489
f66ab8a4e98f improved treatment of intermediate checkpoints: actual copy
wenzelm
parents: 16436
diff changeset
   443
f66ab8a4e98f improved treatment of intermediate checkpoints: actual copy
wenzelm
parents: 16436
diff changeset
   444
end;
16436
7eb6b6cbd166 added type theory: generic theory contexts with unique identity,
wenzelm
parents: 15801
diff changeset
   445
7eb6b6cbd166 added type theory: generic theory contexts with unique identity,
wenzelm
parents: 15801
diff changeset
   446
7eb6b6cbd166 added type theory: generic theory contexts with unique identity,
wenzelm
parents: 15801
diff changeset
   447
16533
f1152f75f6fc begin_thy: merge maximal imports;
wenzelm
parents: 16489
diff changeset
   448
(*** proof context ***)
f1152f75f6fc begin_thy: merge maximal imports;
wenzelm
parents: 16489
diff changeset
   449
33031
b75c35574e04 backpatching of structure Proof and ProofContext -- avoid odd aliases;
wenzelm
parents: 32784
diff changeset
   450
(* datatype Proof.context *)
17060
cca2f3938443 type proof: theory_ref instead of theory (make proof contexts independent entities);
wenzelm
parents: 16894
diff changeset
   451
33031
b75c35574e04 backpatching of structure Proof and ProofContext -- avoid odd aliases;
wenzelm
parents: 32784
diff changeset
   452
structure Proof =
b75c35574e04 backpatching of structure Proof and ProofContext -- avoid odd aliases;
wenzelm
parents: 32784
diff changeset
   453
struct
b75c35574e04 backpatching of structure Proof and ProofContext -- avoid odd aliases;
wenzelm
parents: 32784
diff changeset
   454
  datatype context = Context of Object.T Datatab.table * theory_ref;
b75c35574e04 backpatching of structure Proof and ProofContext -- avoid odd aliases;
wenzelm
parents: 32784
diff changeset
   455
end;
b75c35574e04 backpatching of structure Proof and ProofContext -- avoid odd aliases;
wenzelm
parents: 32784
diff changeset
   456
b75c35574e04 backpatching of structure Proof and ProofContext -- avoid odd aliases;
wenzelm
parents: 32784
diff changeset
   457
fun theory_of_proof (Proof.Context (_, thy_ref)) = deref thy_ref;
b75c35574e04 backpatching of structure Proof and ProofContext -- avoid odd aliases;
wenzelm
parents: 32784
diff changeset
   458
fun data_of_proof (Proof.Context (data, _)) = data;
b75c35574e04 backpatching of structure Proof and ProofContext -- avoid odd aliases;
wenzelm
parents: 32784
diff changeset
   459
fun map_prf f (Proof.Context (data, thy_ref)) = Proof.Context (f data, thy_ref);
17060
cca2f3938443 type proof: theory_ref instead of theory (make proof contexts independent entities);
wenzelm
parents: 16894
diff changeset
   460
16533
f1152f75f6fc begin_thy: merge maximal imports;
wenzelm
parents: 16489
diff changeset
   461
f1152f75f6fc begin_thy: merge maximal imports;
wenzelm
parents: 16489
diff changeset
   462
(* proof data kinds *)
f1152f75f6fc begin_thy: merge maximal imports;
wenzelm
parents: 16489
diff changeset
   463
f1152f75f6fc begin_thy: merge maximal imports;
wenzelm
parents: 16489
diff changeset
   464
local
f1152f75f6fc begin_thy: merge maximal imports;
wenzelm
parents: 16489
diff changeset
   465
32738
15bb09ca0378 explicit indication of Unsynchronized.ref;
wenzelm
parents: 31971
diff changeset
   466
val kinds = Unsynchronized.ref (Datatab.empty: (theory -> Object.T) Datatab.table);
16533
f1152f75f6fc begin_thy: merge maximal imports;
wenzelm
parents: 16489
diff changeset
   467
22847
22da6c4bc422 simplified DataFun interfaces: removed name/print, use adhoc value for uninitialized data, init only required for impure data;
wenzelm
parents: 22827
diff changeset
   468
fun invoke_init k =
19028
6c238953f66c structure Datatab: private copy avoids potential conflict of table exceptions;
wenzelm
parents: 18931
diff changeset
   469
  (case Datatab.lookup (! kinds) k of
22847
22da6c4bc422 simplified DataFun interfaces: removed name/print, use adhoc value for uninitialized data, init only required for impure data;
wenzelm
parents: 22827
diff changeset
   470
    SOME init => init
37852
a902f158b4fc eliminated old-style sys_error/SYS_ERROR in favour of exception Fail -- after careful checking that there is no overlap with existing handling of that;
wenzelm
parents: 37216
diff changeset
   471
  | NONE => raise Fail "Invalid proof data identifier");
16533
f1152f75f6fc begin_thy: merge maximal imports;
wenzelm
parents: 16489
diff changeset
   472
22847
22da6c4bc422 simplified DataFun interfaces: removed name/print, use adhoc value for uninitialized data, init only required for impure data;
wenzelm
parents: 22827
diff changeset
   473
fun init_data thy =
22da6c4bc422 simplified DataFun interfaces: removed name/print, use adhoc value for uninitialized data, init only required for impure data;
wenzelm
parents: 22827
diff changeset
   474
  Datatab.map' (fn k => fn _ => invoke_init k thy) (! kinds);
22da6c4bc422 simplified DataFun interfaces: removed name/print, use adhoc value for uninitialized data, init only required for impure data;
wenzelm
parents: 22827
diff changeset
   475
22da6c4bc422 simplified DataFun interfaces: removed name/print, use adhoc value for uninitialized data, init only required for impure data;
wenzelm
parents: 22827
diff changeset
   476
fun init_new_data data thy =
22da6c4bc422 simplified DataFun interfaces: removed name/print, use adhoc value for uninitialized data, init only required for impure data;
wenzelm
parents: 22827
diff changeset
   477
  Datatab.merge (K true) (data, init_data thy);
16533
f1152f75f6fc begin_thy: merge maximal imports;
wenzelm
parents: 16489
diff changeset
   478
f1152f75f6fc begin_thy: merge maximal imports;
wenzelm
parents: 16489
diff changeset
   479
in
f1152f75f6fc begin_thy: merge maximal imports;
wenzelm
parents: 16489
diff changeset
   480
33031
b75c35574e04 backpatching of structure Proof and ProofContext -- avoid odd aliases;
wenzelm
parents: 32784
diff changeset
   481
fun raw_transfer thy' (Proof.Context (data, thy_ref)) =
24141
73baca986087 improved check_thy: produce a checked theory_ref (thread-safe version);
wenzelm
parents: 23944
diff changeset
   482
  let
73baca986087 improved check_thy: produce a checked theory_ref (thread-safe version);
wenzelm
parents: 23944
diff changeset
   483
    val thy = deref thy_ref;
73baca986087 improved check_thy: produce a checked theory_ref (thread-safe version);
wenzelm
parents: 23944
diff changeset
   484
    val _ = subthy (thy, thy') orelse error "transfer proof context: not a super theory";
73baca986087 improved check_thy: produce a checked theory_ref (thread-safe version);
wenzelm
parents: 23944
diff changeset
   485
    val _ = check_thy thy;
24184
19cb051154fd thread-safeness: when creating certified items, perform Theory.check_thy *last*;
wenzelm
parents: 24141
diff changeset
   486
    val data' = init_new_data data thy';
24141
73baca986087 improved check_thy: produce a checked theory_ref (thread-safe version);
wenzelm
parents: 23944
diff changeset
   487
    val thy_ref' = check_thy thy';
33031
b75c35574e04 backpatching of structure Proof and ProofContext -- avoid odd aliases;
wenzelm
parents: 32784
diff changeset
   488
  in Proof.Context (data', thy_ref') end;
22847
22da6c4bc422 simplified DataFun interfaces: removed name/print, use adhoc value for uninitialized data, init only required for impure data;
wenzelm
parents: 22827
diff changeset
   489
33031
b75c35574e04 backpatching of structure Proof and ProofContext -- avoid odd aliases;
wenzelm
parents: 32784
diff changeset
   490
structure ProofContext =
b75c35574e04 backpatching of structure Proof and ProofContext -- avoid odd aliases;
wenzelm
parents: 32784
diff changeset
   491
struct
b75c35574e04 backpatching of structure Proof and ProofContext -- avoid odd aliases;
wenzelm
parents: 32784
diff changeset
   492
  val theory_of = theory_of_proof;
36610
bafd82950e24 renamed ProofContext.init to ProofContext.init_global to emphasize that this is not the real thing;
wenzelm
parents: 34259
diff changeset
   493
  fun init_global thy = Proof.Context (init_data thy, check_thy thy);
33031
b75c35574e04 backpatching of structure Proof and ProofContext -- avoid odd aliases;
wenzelm
parents: 32784
diff changeset
   494
end;
16533
f1152f75f6fc begin_thy: merge maximal imports;
wenzelm
parents: 16489
diff changeset
   495
33033
wenzelm
parents: 33031
diff changeset
   496
structure Proof_Data =
16533
f1152f75f6fc begin_thy: merge maximal imports;
wenzelm
parents: 16489
diff changeset
   497
struct
f1152f75f6fc begin_thy: merge maximal imports;
wenzelm
parents: 16489
diff changeset
   498
22847
22da6c4bc422 simplified DataFun interfaces: removed name/print, use adhoc value for uninitialized data, init only required for impure data;
wenzelm
parents: 22827
diff changeset
   499
fun declare init =
16533
f1152f75f6fc begin_thy: merge maximal imports;
wenzelm
parents: 16489
diff changeset
   500
  let
f1152f75f6fc begin_thy: merge maximal imports;
wenzelm
parents: 16489
diff changeset
   501
    val k = serial ();
32738
15bb09ca0378 explicit indication of Unsynchronized.ref;
wenzelm
parents: 31971
diff changeset
   502
    val _ = CRITICAL (fn () => Unsynchronized.change kinds (Datatab.update (k, init)));
16533
f1152f75f6fc begin_thy: merge maximal imports;
wenzelm
parents: 16489
diff changeset
   503
  in k end;
f1152f75f6fc begin_thy: merge maximal imports;
wenzelm
parents: 16489
diff changeset
   504
f1152f75f6fc begin_thy: merge maximal imports;
wenzelm
parents: 16489
diff changeset
   505
fun get k dest prf =
22847
22da6c4bc422 simplified DataFun interfaces: removed name/print, use adhoc value for uninitialized data, init only required for impure data;
wenzelm
parents: 22827
diff changeset
   506
  dest (case Datatab.lookup (data_of_proof prf) k of
22da6c4bc422 simplified DataFun interfaces: removed name/print, use adhoc value for uninitialized data, init only required for impure data;
wenzelm
parents: 22827
diff changeset
   507
    SOME x => x
33031
b75c35574e04 backpatching of structure Proof and ProofContext -- avoid odd aliases;
wenzelm
parents: 32784
diff changeset
   508
  | NONE => invoke_init k (ProofContext.theory_of prf));   (*adhoc value*)
16533
f1152f75f6fc begin_thy: merge maximal imports;
wenzelm
parents: 16489
diff changeset
   509
19028
6c238953f66c structure Datatab: private copy avoids potential conflict of table exceptions;
wenzelm
parents: 18931
diff changeset
   510
fun put k mk x = map_prf (Datatab.update (k, mk x));
16533
f1152f75f6fc begin_thy: merge maximal imports;
wenzelm
parents: 16489
diff changeset
   511
f1152f75f6fc begin_thy: merge maximal imports;
wenzelm
parents: 16489
diff changeset
   512
end;
f1152f75f6fc begin_thy: merge maximal imports;
wenzelm
parents: 16489
diff changeset
   513
f1152f75f6fc begin_thy: merge maximal imports;
wenzelm
parents: 16489
diff changeset
   514
end;
f1152f75f6fc begin_thy: merge maximal imports;
wenzelm
parents: 16489
diff changeset
   515
f1152f75f6fc begin_thy: merge maximal imports;
wenzelm
parents: 16489
diff changeset
   516
18632
3149c6abe876 support for generic contexts with data;
wenzelm
parents: 17756
diff changeset
   517
16533
f1152f75f6fc begin_thy: merge maximal imports;
wenzelm
parents: 16489
diff changeset
   518
(*** generic context ***)
f1152f75f6fc begin_thy: merge maximal imports;
wenzelm
parents: 16489
diff changeset
   519
33031
b75c35574e04 backpatching of structure Proof and ProofContext -- avoid odd aliases;
wenzelm
parents: 32784
diff changeset
   520
datatype generic = Theory of theory | Proof of Proof.context;
18632
3149c6abe876 support for generic contexts with data;
wenzelm
parents: 17756
diff changeset
   521
3149c6abe876 support for generic contexts with data;
wenzelm
parents: 17756
diff changeset
   522
fun cases f _ (Theory thy) = f thy
3149c6abe876 support for generic contexts with data;
wenzelm
parents: 17756
diff changeset
   523
  | cases _ g (Proof prf) = g prf;
16533
f1152f75f6fc begin_thy: merge maximal imports;
wenzelm
parents: 16489
diff changeset
   524
19678
d1a15431de34 added mapping;
wenzelm
parents: 19482
diff changeset
   525
fun mapping f g = cases (Theory o f) (Proof o g);
21660
c86b761d6c06 added mapping_result;
wenzelm
parents: 21518
diff changeset
   526
fun mapping_result f g = cases (apsnd Theory o f) (apsnd Proof o g);
19678
d1a15431de34 added mapping;
wenzelm
parents: 19482
diff changeset
   527
23595
7ca68a2c8575 the_theory/proof: error instead of exception Fail;
wenzelm
parents: 23355
diff changeset
   528
val the_theory = cases I (fn _ => error "Ill-typed context: theory expected");
7ca68a2c8575 the_theory/proof: error instead of exception Fail;
wenzelm
parents: 23355
diff changeset
   529
val the_proof = cases (fn _ => error "Ill-typed context: proof expected") I;
16533
f1152f75f6fc begin_thy: merge maximal imports;
wenzelm
parents: 16489
diff changeset
   530
18731
3989c3c41983 rename map_theory/proof to theory/proof_map;
wenzelm
parents: 18711
diff changeset
   531
fun map_theory f = Theory o f o the_theory;
3989c3c41983 rename map_theory/proof to theory/proof_map;
wenzelm
parents: 18711
diff changeset
   532
fun map_proof f = Proof o f o the_proof;
3989c3c41983 rename map_theory/proof to theory/proof_map;
wenzelm
parents: 18711
diff changeset
   533
26486
b65a5272b360 added map_theory_result, map_proof_result;
wenzelm
parents: 26463
diff changeset
   534
fun map_theory_result f = apsnd Theory o f o the_theory;
b65a5272b360 added map_theory_result, map_proof_result;
wenzelm
parents: 26463
diff changeset
   535
fun map_proof_result f = apsnd Proof o f o the_proof;
b65a5272b360 added map_theory_result, map_proof_result;
wenzelm
parents: 26463
diff changeset
   536
18731
3989c3c41983 rename map_theory/proof to theory/proof_map;
wenzelm
parents: 18711
diff changeset
   537
fun theory_map f = the_theory o f o Theory;
3989c3c41983 rename map_theory/proof to theory/proof_map;
wenzelm
parents: 18711
diff changeset
   538
fun proof_map f = the_proof o f o Proof;
18665
5198a2c4c00e added map_theory, map_proof;
wenzelm
parents: 18632
diff changeset
   539
33031
b75c35574e04 backpatching of structure Proof and ProofContext -- avoid odd aliases;
wenzelm
parents: 32784
diff changeset
   540
val theory_of = cases I ProofContext.theory_of;
36610
bafd82950e24 renamed ProofContext.init to ProofContext.init_global to emphasize that this is not the real thing;
wenzelm
parents: 34259
diff changeset
   541
val proof_of = cases ProofContext.init_global I;
16533
f1152f75f6fc begin_thy: merge maximal imports;
wenzelm
parents: 16489
diff changeset
   542
22085
c138cfd500f7 ML context: full generic context, tuned signature;
wenzelm
parents: 21962
diff changeset
   543
c138cfd500f7 ML context: full generic context, tuned signature;
wenzelm
parents: 21962
diff changeset
   544
26413
003dd6155870 added thread data (formerly global ref in ML/ml_context.ML);
wenzelm
parents: 24559
diff changeset
   545
(** thread data **)
003dd6155870 added thread data (formerly global ref in ML/ml_context.ML);
wenzelm
parents: 24559
diff changeset
   546
003dd6155870 added thread data (formerly global ref in ML/ml_context.ML);
wenzelm
parents: 24559
diff changeset
   547
local val tag = Universal.tag () : generic option Universal.tag in
003dd6155870 added thread data (formerly global ref in ML/ml_context.ML);
wenzelm
parents: 24559
diff changeset
   548
003dd6155870 added thread data (formerly global ref in ML/ml_context.ML);
wenzelm
parents: 24559
diff changeset
   549
fun thread_data () =
28122
3d099ce624e7 Thread.getLocal/setLocal;
wenzelm
parents: 27341
diff changeset
   550
  (case Thread.getLocal tag of
26413
003dd6155870 added thread data (formerly global ref in ML/ml_context.ML);
wenzelm
parents: 24559
diff changeset
   551
    SOME (SOME context) => SOME context
003dd6155870 added thread data (formerly global ref in ML/ml_context.ML);
wenzelm
parents: 24559
diff changeset
   552
  | _ => NONE);
003dd6155870 added thread data (formerly global ref in ML/ml_context.ML);
wenzelm
parents: 24559
diff changeset
   553
003dd6155870 added thread data (formerly global ref in ML/ml_context.ML);
wenzelm
parents: 24559
diff changeset
   554
fun the_thread_data () =
003dd6155870 added thread data (formerly global ref in ML/ml_context.ML);
wenzelm
parents: 24559
diff changeset
   555
  (case thread_data () of
003dd6155870 added thread data (formerly global ref in ML/ml_context.ML);
wenzelm
parents: 24559
diff changeset
   556
    SOME context => context
003dd6155870 added thread data (formerly global ref in ML/ml_context.ML);
wenzelm
parents: 24559
diff changeset
   557
  | _ => error "Unknown context");
003dd6155870 added thread data (formerly global ref in ML/ml_context.ML);
wenzelm
parents: 24559
diff changeset
   558
28122
3d099ce624e7 Thread.getLocal/setLocal;
wenzelm
parents: 27341
diff changeset
   559
fun set_thread_data context = Thread.setLocal (tag, context);
26413
003dd6155870 added thread data (formerly global ref in ML/ml_context.ML);
wenzelm
parents: 24559
diff changeset
   560
fun setmp_thread_data context = Library.setmp_thread_data tag (thread_data ()) context;
003dd6155870 added thread data (formerly global ref in ML/ml_context.ML);
wenzelm
parents: 24559
diff changeset
   561
26428
5b2beca2087d eliminated theory ProtoPure;
wenzelm
parents: 26421
diff changeset
   562
end;
5b2beca2087d eliminated theory ProtoPure;
wenzelm
parents: 26421
diff changeset
   563
5b2beca2087d eliminated theory ProtoPure;
wenzelm
parents: 26421
diff changeset
   564
fun >>> f =
5b2beca2087d eliminated theory ProtoPure;
wenzelm
parents: 26421
diff changeset
   565
  let
26463
9283b4185fdf Context.>> : operate on Context.generic;
wenzelm
parents: 26435
diff changeset
   566
    val (res, context') = f (the_thread_data ());
9283b4185fdf Context.>> : operate on Context.generic;
wenzelm
parents: 26435
diff changeset
   567
    val _ = set_thread_data (SOME context');
26428
5b2beca2087d eliminated theory ProtoPure;
wenzelm
parents: 26421
diff changeset
   568
  in res end;
5b2beca2087d eliminated theory ProtoPure;
wenzelm
parents: 26421
diff changeset
   569
26421
3dfb36923a56 nonfix >>;
wenzelm
parents: 26413
diff changeset
   570
nonfix >>;
26463
9283b4185fdf Context.>> : operate on Context.generic;
wenzelm
parents: 26435
diff changeset
   571
fun >> f = >>> (fn context => ((), f context));
26413
003dd6155870 added thread data (formerly global ref in ML/ml_context.ML);
wenzelm
parents: 24559
diff changeset
   572
26428
5b2beca2087d eliminated theory ProtoPure;
wenzelm
parents: 26421
diff changeset
   573
val _ = set_thread_data (SOME (Theory pre_pure_thy));
26413
003dd6155870 added thread data (formerly global ref in ML/ml_context.ML);
wenzelm
parents: 24559
diff changeset
   574
6185
11bf7a8b6a02 Global theory context (used to be in Thy/context.ML);
wenzelm
parents:
diff changeset
   575
end;
11bf7a8b6a02 Global theory context (used to be in Thy/context.ML);
wenzelm
parents:
diff changeset
   576
33031
b75c35574e04 backpatching of structure Proof and ProofContext -- avoid odd aliases;
wenzelm
parents: 32784
diff changeset
   577
structure Basic_Context: BASIC_CONTEXT = Context;
b75c35574e04 backpatching of structure Proof and ProofContext -- avoid odd aliases;
wenzelm
parents: 32784
diff changeset
   578
open Basic_Context;
16436
7eb6b6cbd166 added type theory: generic theory contexts with unique identity,
wenzelm
parents: 15801
diff changeset
   579
7eb6b6cbd166 added type theory: generic theory contexts with unique identity,
wenzelm
parents: 15801
diff changeset
   580
7eb6b6cbd166 added type theory: generic theory contexts with unique identity,
wenzelm
parents: 15801
diff changeset
   581
16533
f1152f75f6fc begin_thy: merge maximal imports;
wenzelm
parents: 16489
diff changeset
   582
(*** type-safe interfaces for data declarations ***)
f1152f75f6fc begin_thy: merge maximal imports;
wenzelm
parents: 16489
diff changeset
   583
f1152f75f6fc begin_thy: merge maximal imports;
wenzelm
parents: 16489
diff changeset
   584
(** theory data **)
16436
7eb6b6cbd166 added type theory: generic theory contexts with unique identity,
wenzelm
parents: 15801
diff changeset
   585
34259
2ba492b8b6e8 discontinued old TheoryDataFun, but retain Theory_Data_PP with is Pretty.pp argument to merge (still required in exotic situations -- hard to get rid of);
wenzelm
parents: 34253
diff changeset
   586
signature THEORY_DATA_PP_ARGS =
16436
7eb6b6cbd166 added type theory: generic theory contexts with unique identity,
wenzelm
parents: 15801
diff changeset
   587
sig
7eb6b6cbd166 added type theory: generic theory contexts with unique identity,
wenzelm
parents: 15801
diff changeset
   588
  type T
7eb6b6cbd166 added type theory: generic theory contexts with unique identity,
wenzelm
parents: 15801
diff changeset
   589
  val empty: T
7eb6b6cbd166 added type theory: generic theory contexts with unique identity,
wenzelm
parents: 15801
diff changeset
   590
  val extend: T -> T
7eb6b6cbd166 added type theory: generic theory contexts with unique identity,
wenzelm
parents: 15801
diff changeset
   591
  val merge: Pretty.pp -> T * T -> T
7eb6b6cbd166 added type theory: generic theory contexts with unique identity,
wenzelm
parents: 15801
diff changeset
   592
end;
7eb6b6cbd166 added type theory: generic theory contexts with unique identity,
wenzelm
parents: 15801
diff changeset
   593
34259
2ba492b8b6e8 discontinued old TheoryDataFun, but retain Theory_Data_PP with is Pretty.pp argument to merge (still required in exotic situations -- hard to get rid of);
wenzelm
parents: 34253
diff changeset
   594
signature THEORY_DATA_ARGS =
2ba492b8b6e8 discontinued old TheoryDataFun, but retain Theory_Data_PP with is Pretty.pp argument to merge (still required in exotic situations -- hard to get rid of);
wenzelm
parents: 34253
diff changeset
   595
sig
2ba492b8b6e8 discontinued old TheoryDataFun, but retain Theory_Data_PP with is Pretty.pp argument to merge (still required in exotic situations -- hard to get rid of);
wenzelm
parents: 34253
diff changeset
   596
  type T
2ba492b8b6e8 discontinued old TheoryDataFun, but retain Theory_Data_PP with is Pretty.pp argument to merge (still required in exotic situations -- hard to get rid of);
wenzelm
parents: 34253
diff changeset
   597
  val empty: T
2ba492b8b6e8 discontinued old TheoryDataFun, but retain Theory_Data_PP with is Pretty.pp argument to merge (still required in exotic situations -- hard to get rid of);
wenzelm
parents: 34253
diff changeset
   598
  val extend: T -> T
2ba492b8b6e8 discontinued old TheoryDataFun, but retain Theory_Data_PP with is Pretty.pp argument to merge (still required in exotic situations -- hard to get rid of);
wenzelm
parents: 34253
diff changeset
   599
  val merge: T * T -> T
2ba492b8b6e8 discontinued old TheoryDataFun, but retain Theory_Data_PP with is Pretty.pp argument to merge (still required in exotic situations -- hard to get rid of);
wenzelm
parents: 34253
diff changeset
   600
end;
2ba492b8b6e8 discontinued old TheoryDataFun, but retain Theory_Data_PP with is Pretty.pp argument to merge (still required in exotic situations -- hard to get rid of);
wenzelm
parents: 34253
diff changeset
   601
34253
5930c6391126 removed further remains of mutable theory data (cf. 25bd3ed2ac9f);
wenzelm
parents: 34245
diff changeset
   602
signature THEORY_DATA =
16436
7eb6b6cbd166 added type theory: generic theory contexts with unique identity,
wenzelm
parents: 15801
diff changeset
   603
sig
7eb6b6cbd166 added type theory: generic theory contexts with unique identity,
wenzelm
parents: 15801
diff changeset
   604
  type T
7eb6b6cbd166 added type theory: generic theory contexts with unique identity,
wenzelm
parents: 15801
diff changeset
   605
  val get: theory -> T
7eb6b6cbd166 added type theory: generic theory contexts with unique identity,
wenzelm
parents: 15801
diff changeset
   606
  val put: T -> theory -> theory
7eb6b6cbd166 added type theory: generic theory contexts with unique identity,
wenzelm
parents: 15801
diff changeset
   607
  val map: (T -> T) -> theory -> theory
7eb6b6cbd166 added type theory: generic theory contexts with unique identity,
wenzelm
parents: 15801
diff changeset
   608
end;
7eb6b6cbd166 added type theory: generic theory contexts with unique identity,
wenzelm
parents: 15801
diff changeset
   609
34259
2ba492b8b6e8 discontinued old TheoryDataFun, but retain Theory_Data_PP with is Pretty.pp argument to merge (still required in exotic situations -- hard to get rid of);
wenzelm
parents: 34253
diff changeset
   610
functor Theory_Data_PP(Data: THEORY_DATA_PP_ARGS): THEORY_DATA =
16436
7eb6b6cbd166 added type theory: generic theory contexts with unique identity,
wenzelm
parents: 15801
diff changeset
   611
struct
7eb6b6cbd166 added type theory: generic theory contexts with unique identity,
wenzelm
parents: 15801
diff changeset
   612
7eb6b6cbd166 added type theory: generic theory contexts with unique identity,
wenzelm
parents: 15801
diff changeset
   613
type T = Data.T;
7eb6b6cbd166 added type theory: generic theory contexts with unique identity,
wenzelm
parents: 15801
diff changeset
   614
exception Data of T;
7eb6b6cbd166 added type theory: generic theory contexts with unique identity,
wenzelm
parents: 15801
diff changeset
   615
33033
wenzelm
parents: 33031
diff changeset
   616
val kind = Context.Theory_Data.declare
16436
7eb6b6cbd166 added type theory: generic theory contexts with unique identity,
wenzelm
parents: 15801
diff changeset
   617
  (Data Data.empty)
7eb6b6cbd166 added type theory: generic theory contexts with unique identity,
wenzelm
parents: 15801
diff changeset
   618
  (fn Data x => Data (Data.extend x))
16489
f66ab8a4e98f improved treatment of intermediate checkpoints: actual copy
wenzelm
parents: 16436
diff changeset
   619
  (fn pp => fn (Data x1, Data x2) => Data (Data.merge pp (x1, x2)));
16436
7eb6b6cbd166 added type theory: generic theory contexts with unique identity,
wenzelm
parents: 15801
diff changeset
   620
33033
wenzelm
parents: 33031
diff changeset
   621
val get = Context.Theory_Data.get kind (fn Data x => x);
wenzelm
parents: 33031
diff changeset
   622
val put = Context.Theory_Data.put kind Data;
16436
7eb6b6cbd166 added type theory: generic theory contexts with unique identity,
wenzelm
parents: 15801
diff changeset
   623
fun map f thy = put (f (get thy)) thy;
7eb6b6cbd166 added type theory: generic theory contexts with unique identity,
wenzelm
parents: 15801
diff changeset
   624
7eb6b6cbd166 added type theory: generic theory contexts with unique identity,
wenzelm
parents: 15801
diff changeset
   625
end;
7eb6b6cbd166 added type theory: generic theory contexts with unique identity,
wenzelm
parents: 15801
diff changeset
   626
33517
d064fa48f305 modernized/simplified functor Theory_Data, Proof_Data, Generic_Data: eliminated Pretty.pp, discontinued mutable data;
wenzelm
parents: 33033
diff changeset
   627
functor Theory_Data(Data: THEORY_DATA_ARGS): THEORY_DATA =
34259
2ba492b8b6e8 discontinued old TheoryDataFun, but retain Theory_Data_PP with is Pretty.pp argument to merge (still required in exotic situations -- hard to get rid of);
wenzelm
parents: 34253
diff changeset
   628
  Theory_Data_PP
2ba492b8b6e8 discontinued old TheoryDataFun, but retain Theory_Data_PP with is Pretty.pp argument to merge (still required in exotic situations -- hard to get rid of);
wenzelm
parents: 34253
diff changeset
   629
  (
2ba492b8b6e8 discontinued old TheoryDataFun, but retain Theory_Data_PP with is Pretty.pp argument to merge (still required in exotic situations -- hard to get rid of);
wenzelm
parents: 34253
diff changeset
   630
    type T = Data.T;
2ba492b8b6e8 discontinued old TheoryDataFun, but retain Theory_Data_PP with is Pretty.pp argument to merge (still required in exotic situations -- hard to get rid of);
wenzelm
parents: 34253
diff changeset
   631
    val empty = Data.empty;
2ba492b8b6e8 discontinued old TheoryDataFun, but retain Theory_Data_PP with is Pretty.pp argument to merge (still required in exotic situations -- hard to get rid of);
wenzelm
parents: 34253
diff changeset
   632
    val extend = Data.extend;
2ba492b8b6e8 discontinued old TheoryDataFun, but retain Theory_Data_PP with is Pretty.pp argument to merge (still required in exotic situations -- hard to get rid of);
wenzelm
parents: 34253
diff changeset
   633
    fun merge _ = Data.merge;
2ba492b8b6e8 discontinued old TheoryDataFun, but retain Theory_Data_PP with is Pretty.pp argument to merge (still required in exotic situations -- hard to get rid of);
wenzelm
parents: 34253
diff changeset
   634
  );
33517
d064fa48f305 modernized/simplified functor Theory_Data, Proof_Data, Generic_Data: eliminated Pretty.pp, discontinued mutable data;
wenzelm
parents: 33033
diff changeset
   635
16533
f1152f75f6fc begin_thy: merge maximal imports;
wenzelm
parents: 16489
diff changeset
   636
f1152f75f6fc begin_thy: merge maximal imports;
wenzelm
parents: 16489
diff changeset
   637
f1152f75f6fc begin_thy: merge maximal imports;
wenzelm
parents: 16489
diff changeset
   638
(** proof data **)
f1152f75f6fc begin_thy: merge maximal imports;
wenzelm
parents: 16489
diff changeset
   639
f1152f75f6fc begin_thy: merge maximal imports;
wenzelm
parents: 16489
diff changeset
   640
signature PROOF_DATA_ARGS =
f1152f75f6fc begin_thy: merge maximal imports;
wenzelm
parents: 16489
diff changeset
   641
sig
f1152f75f6fc begin_thy: merge maximal imports;
wenzelm
parents: 16489
diff changeset
   642
  type T
f1152f75f6fc begin_thy: merge maximal imports;
wenzelm
parents: 16489
diff changeset
   643
  val init: theory -> T
f1152f75f6fc begin_thy: merge maximal imports;
wenzelm
parents: 16489
diff changeset
   644
end;
f1152f75f6fc begin_thy: merge maximal imports;
wenzelm
parents: 16489
diff changeset
   645
f1152f75f6fc begin_thy: merge maximal imports;
wenzelm
parents: 16489
diff changeset
   646
signature PROOF_DATA =
f1152f75f6fc begin_thy: merge maximal imports;
wenzelm
parents: 16489
diff changeset
   647
sig
f1152f75f6fc begin_thy: merge maximal imports;
wenzelm
parents: 16489
diff changeset
   648
  type T
33031
b75c35574e04 backpatching of structure Proof and ProofContext -- avoid odd aliases;
wenzelm
parents: 32784
diff changeset
   649
  val get: Proof.context -> T
b75c35574e04 backpatching of structure Proof and ProofContext -- avoid odd aliases;
wenzelm
parents: 32784
diff changeset
   650
  val put: T -> Proof.context -> Proof.context
b75c35574e04 backpatching of structure Proof and ProofContext -- avoid odd aliases;
wenzelm
parents: 32784
diff changeset
   651
  val map: (T -> T) -> Proof.context -> Proof.context
16533
f1152f75f6fc begin_thy: merge maximal imports;
wenzelm
parents: 16489
diff changeset
   652
end;
f1152f75f6fc begin_thy: merge maximal imports;
wenzelm
parents: 16489
diff changeset
   653
33517
d064fa48f305 modernized/simplified functor Theory_Data, Proof_Data, Generic_Data: eliminated Pretty.pp, discontinued mutable data;
wenzelm
parents: 33033
diff changeset
   654
functor Proof_Data(Data: PROOF_DATA_ARGS): PROOF_DATA =
16533
f1152f75f6fc begin_thy: merge maximal imports;
wenzelm
parents: 16489
diff changeset
   655
struct
f1152f75f6fc begin_thy: merge maximal imports;
wenzelm
parents: 16489
diff changeset
   656
f1152f75f6fc begin_thy: merge maximal imports;
wenzelm
parents: 16489
diff changeset
   657
type T = Data.T;
f1152f75f6fc begin_thy: merge maximal imports;
wenzelm
parents: 16489
diff changeset
   658
exception Data of T;
f1152f75f6fc begin_thy: merge maximal imports;
wenzelm
parents: 16489
diff changeset
   659
33033
wenzelm
parents: 33031
diff changeset
   660
val kind = Context.Proof_Data.declare (Data o Data.init);
16533
f1152f75f6fc begin_thy: merge maximal imports;
wenzelm
parents: 16489
diff changeset
   661
33033
wenzelm
parents: 33031
diff changeset
   662
val get = Context.Proof_Data.get kind (fn Data x => x);
wenzelm
parents: 33031
diff changeset
   663
val put = Context.Proof_Data.put kind Data;
16533
f1152f75f6fc begin_thy: merge maximal imports;
wenzelm
parents: 16489
diff changeset
   664
fun map f prf = put (f (get prf)) prf;
f1152f75f6fc begin_thy: merge maximal imports;
wenzelm
parents: 16489
diff changeset
   665
f1152f75f6fc begin_thy: merge maximal imports;
wenzelm
parents: 16489
diff changeset
   666
end;
f1152f75f6fc begin_thy: merge maximal imports;
wenzelm
parents: 16489
diff changeset
   667
18632
3149c6abe876 support for generic contexts with data;
wenzelm
parents: 17756
diff changeset
   668
3149c6abe876 support for generic contexts with data;
wenzelm
parents: 17756
diff changeset
   669
3149c6abe876 support for generic contexts with data;
wenzelm
parents: 17756
diff changeset
   670
(** generic data **)
3149c6abe876 support for generic contexts with data;
wenzelm
parents: 17756
diff changeset
   671
3149c6abe876 support for generic contexts with data;
wenzelm
parents: 17756
diff changeset
   672
signature GENERIC_DATA_ARGS =
3149c6abe876 support for generic contexts with data;
wenzelm
parents: 17756
diff changeset
   673
sig
3149c6abe876 support for generic contexts with data;
wenzelm
parents: 17756
diff changeset
   674
  type T
3149c6abe876 support for generic contexts with data;
wenzelm
parents: 17756
diff changeset
   675
  val empty: T
3149c6abe876 support for generic contexts with data;
wenzelm
parents: 17756
diff changeset
   676
  val extend: T -> T
33517
d064fa48f305 modernized/simplified functor Theory_Data, Proof_Data, Generic_Data: eliminated Pretty.pp, discontinued mutable data;
wenzelm
parents: 33033
diff changeset
   677
  val merge: T * T -> T
18632
3149c6abe876 support for generic contexts with data;
wenzelm
parents: 17756
diff changeset
   678
end;
3149c6abe876 support for generic contexts with data;
wenzelm
parents: 17756
diff changeset
   679
3149c6abe876 support for generic contexts with data;
wenzelm
parents: 17756
diff changeset
   680
signature GENERIC_DATA =
3149c6abe876 support for generic contexts with data;
wenzelm
parents: 17756
diff changeset
   681
sig
3149c6abe876 support for generic contexts with data;
wenzelm
parents: 17756
diff changeset
   682
  type T
3149c6abe876 support for generic contexts with data;
wenzelm
parents: 17756
diff changeset
   683
  val get: Context.generic -> T
3149c6abe876 support for generic contexts with data;
wenzelm
parents: 17756
diff changeset
   684
  val put: T -> Context.generic -> Context.generic
3149c6abe876 support for generic contexts with data;
wenzelm
parents: 17756
diff changeset
   685
  val map: (T -> T) -> Context.generic -> Context.generic
3149c6abe876 support for generic contexts with data;
wenzelm
parents: 17756
diff changeset
   686
end;
3149c6abe876 support for generic contexts with data;
wenzelm
parents: 17756
diff changeset
   687
33517
d064fa48f305 modernized/simplified functor Theory_Data, Proof_Data, Generic_Data: eliminated Pretty.pp, discontinued mutable data;
wenzelm
parents: 33033
diff changeset
   688
functor Generic_Data(Data: GENERIC_DATA_ARGS): GENERIC_DATA =
18632
3149c6abe876 support for generic contexts with data;
wenzelm
parents: 17756
diff changeset
   689
struct
3149c6abe876 support for generic contexts with data;
wenzelm
parents: 17756
diff changeset
   690
33517
d064fa48f305 modernized/simplified functor Theory_Data, Proof_Data, Generic_Data: eliminated Pretty.pp, discontinued mutable data;
wenzelm
parents: 33033
diff changeset
   691
structure Thy_Data = Theory_Data(Data);
d064fa48f305 modernized/simplified functor Theory_Data, Proof_Data, Generic_Data: eliminated Pretty.pp, discontinued mutable data;
wenzelm
parents: 33033
diff changeset
   692
structure Prf_Data = Proof_Data(type T = Data.T val init = Thy_Data.get);
18632
3149c6abe876 support for generic contexts with data;
wenzelm
parents: 17756
diff changeset
   693
3149c6abe876 support for generic contexts with data;
wenzelm
parents: 17756
diff changeset
   694
type T = Data.T;
3149c6abe876 support for generic contexts with data;
wenzelm
parents: 17756
diff changeset
   695
33033
wenzelm
parents: 33031
diff changeset
   696
fun get (Context.Theory thy) = Thy_Data.get thy
wenzelm
parents: 33031
diff changeset
   697
  | get (Context.Proof prf) = Prf_Data.get prf;
18632
3149c6abe876 support for generic contexts with data;
wenzelm
parents: 17756
diff changeset
   698
33033
wenzelm
parents: 33031
diff changeset
   699
fun put x (Context.Theory thy) = Context.Theory (Thy_Data.put x thy)
wenzelm
parents: 33031
diff changeset
   700
  | put x (Context.Proof prf) = Context.Proof (Prf_Data.put x prf);
18632
3149c6abe876 support for generic contexts with data;
wenzelm
parents: 17756
diff changeset
   701
3149c6abe876 support for generic contexts with data;
wenzelm
parents: 17756
diff changeset
   702
fun map f ctxt = put (f (get ctxt)) ctxt;
3149c6abe876 support for generic contexts with data;
wenzelm
parents: 17756
diff changeset
   703
3149c6abe876 support for generic contexts with data;
wenzelm
parents: 17756
diff changeset
   704
end;
3149c6abe876 support for generic contexts with data;
wenzelm
parents: 17756
diff changeset
   705
16533
f1152f75f6fc begin_thy: merge maximal imports;
wenzelm
parents: 16489
diff changeset
   706
(*hide private interface*)
16436
7eb6b6cbd166 added type theory: generic theory contexts with unique identity,
wenzelm
parents: 15801
diff changeset
   707
structure Context: CONTEXT = Context;
20297
a9a917b356af fake predeclaration of type Proof.context;
wenzelm
parents: 19815
diff changeset
   708