src/Pure/Isar/toplevel.ML
author wenzelm
Wed, 29 Aug 2012 11:48:45 +0200
changeset 48992 0518bf89c777
parent 48772 e46cd0d26481
child 48993 44428ea53dc1
permissions -rw-r--r--
renamed Position.str_of to Position.here;
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
5828
1feeadaad6a9 The Isabelle/Isar toplevel.
wenzelm
parents:
diff changeset
     1
(*  Title:      Pure/Isar/toplevel.ML
1feeadaad6a9 The Isabelle/Isar toplevel.
wenzelm
parents:
diff changeset
     2
    Author:     Markus Wenzel, TU Muenchen
1feeadaad6a9 The Isabelle/Isar toplevel.
wenzelm
parents:
diff changeset
     3
26602
5534b6a6b810 made purely value-oriented, moved global state to structure Isar (cf. isar.ML);
wenzelm
parents: 26491
diff changeset
     4
Isabelle/Isar toplevel transactions.
5828
1feeadaad6a9 The Isabelle/Isar toplevel.
wenzelm
parents:
diff changeset
     5
*)
1feeadaad6a9 The Isabelle/Isar toplevel.
wenzelm
parents:
diff changeset
     6
1feeadaad6a9 The Isabelle/Isar toplevel.
wenzelm
parents:
diff changeset
     7
signature TOPLEVEL =
1feeadaad6a9 The Isabelle/Isar toplevel.
wenzelm
parents:
diff changeset
     8
sig
19063
049c010c8fb7 added cases_node;
wenzelm
parents: 18955
diff changeset
     9
  exception UNDEF
5828
1feeadaad6a9 The Isabelle/Isar toplevel.
wenzelm
parents:
diff changeset
    10
  type state
26602
5534b6a6b810 made purely value-oriented, moved global state to structure Isar (cf. isar.ML);
wenzelm
parents: 26491
diff changeset
    11
  val toplevel: state
7732
d62523296573 added is_toplevel;
wenzelm
parents: 7612
diff changeset
    12
  val is_toplevel: state -> bool
18589
c27c9fa9e83d hide type datatype node;
wenzelm
parents: 18564
diff changeset
    13
  val is_theory: state -> bool
c27c9fa9e83d hide type datatype node;
wenzelm
parents: 18564
diff changeset
    14
  val is_proof: state -> bool
17076
c7effdf2e2e2 state: body context;
wenzelm
parents: 16815
diff changeset
    15
  val level: state -> int
30398
d7ac4b7aa590 simplified presentation_context_of;
wenzelm
parents: 30366
diff changeset
    16
  val presentation_context_of: state -> Proof.context
30801
9bdf001bea58 added Toplevel.previous_node_of;
wenzelm
parents: 30618
diff changeset
    17
  val previous_context_of: state -> Proof.context option
21506
b2a673894ce5 prefer Proof.context over Context.generic;
wenzelm
parents: 21310
diff changeset
    18
  val context_of: state -> Proof.context
22089
d9b614dc883d added generic_theory_of;
wenzelm
parents: 22056
diff changeset
    19
  val generic_theory_of: state -> generic_theory
5828
1feeadaad6a9 The Isabelle/Isar toplevel.
wenzelm
parents:
diff changeset
    20
  val theory_of: state -> theory
1feeadaad6a9 The Isabelle/Isar toplevel.
wenzelm
parents:
diff changeset
    21
  val proof_of: state -> Proof.state
18589
c27c9fa9e83d hide type datatype node;
wenzelm
parents: 18564
diff changeset
    22
  val proof_position_of: state -> int
37953
ddc3b72f9a42 simplified handling of theory begin/end wrt. toplevel and theory loader;
wenzelm
parents: 37951
diff changeset
    23
  val end_theory: Position.T -> state -> theory
16815
13d20ed9086c added print_state_hook;
wenzelm
parents: 16729
diff changeset
    24
  val print_state_context: state -> unit
13d20ed9086c added print_state_hook;
wenzelm
parents: 16729
diff changeset
    25
  val print_state: bool -> state -> unit
37858
e1ef6b441fe7 toplevel pp for Proof.state and Toplevel.state;
wenzelm
parents: 37856
diff changeset
    26
  val pretty_abstract: state -> Pretty.T
32738
15bb09ca0378 explicit indication of Unsynchronized.ref;
wenzelm
parents: 32062
diff changeset
    27
  val quiet: bool Unsynchronized.ref
15bb09ca0378 explicit indication of Unsynchronized.ref;
wenzelm
parents: 32062
diff changeset
    28
  val debug: bool Unsynchronized.ref
15bb09ca0378 explicit indication of Unsynchronized.ref;
wenzelm
parents: 32062
diff changeset
    29
  val interact: bool Unsynchronized.ref
15bb09ca0378 explicit indication of Unsynchronized.ref;
wenzelm
parents: 32062
diff changeset
    30
  val timing: bool Unsynchronized.ref
15bb09ca0378 explicit indication of Unsynchronized.ref;
wenzelm
parents: 32062
diff changeset
    31
  val profiling: int Unsynchronized.ref
15bb09ca0378 explicit indication of Unsynchronized.ref;
wenzelm
parents: 32062
diff changeset
    32
  val skip_proofs: bool Unsynchronized.ref
20128
8f0e07d7cf92 keep/transaction: unified execution model (with debugging etc.);
wenzelm
parents: 19996
diff changeset
    33
  val program: (unit -> 'a) -> 'a
33604
d4220df6fde2 Toplevel.thread provides Isar-style exception output;
wenzelm
parents: 33553
diff changeset
    34
  val thread: bool -> (unit -> unit) -> Thread.thread
16682
wenzelm
parents: 16658
diff changeset
    35
  type transition
5828
1feeadaad6a9 The Isabelle/Isar toplevel.
wenzelm
parents:
diff changeset
    36
  val empty: transition
38888
8248cda328de moved Toplevel.run_command to Pure/PIDE/document.ML;
wenzelm
parents: 38876
diff changeset
    37
  val print_of: transition -> bool
27427
f6751d265cf6 added name_of;
wenzelm
parents: 26982
diff changeset
    38
  val name_of: transition -> string
28105
44054657ea56 added pos_of;
wenzelm
parents: 28103
diff changeset
    39
  val pos_of: transition -> Position.T
27500
f1c18ec9f2d7 export str_of;
wenzelm
parents: 27441
diff changeset
    40
  val str_of: transition -> string
5828
1feeadaad6a9 The Isabelle/Isar toplevel.
wenzelm
parents:
diff changeset
    41
  val name: string -> transition -> transition
1feeadaad6a9 The Isabelle/Isar toplevel.
wenzelm
parents:
diff changeset
    42
  val position: Position.T -> transition -> transition
1feeadaad6a9 The Isabelle/Isar toplevel.
wenzelm
parents:
diff changeset
    43
  val interactive: bool -> transition -> transition
38888
8248cda328de moved Toplevel.run_command to Pure/PIDE/document.ML;
wenzelm
parents: 38876
diff changeset
    44
  val set_print: bool -> transition -> transition
5828
1feeadaad6a9 The Isabelle/Isar toplevel.
wenzelm
parents:
diff changeset
    45
  val print: transition -> transition
9010
ce78dc5e1a73 Toplevel.no_timing;
wenzelm
parents: 8999
diff changeset
    46
  val no_timing: transition -> transition
44187
88d770052bac simplified Toplevel.init_theory: discontinued special name argument;
wenzelm
parents: 44186
diff changeset
    47
  val init_theory: (unit -> theory) -> transition -> transition
88d770052bac simplified Toplevel.init_theory: discontinued special name argument;
wenzelm
parents: 44186
diff changeset
    48
  val is_init: transition -> bool
44186
806f0ec1a43d simplified Toplevel.init_theory: discontinued special master argument;
wenzelm
parents: 44185
diff changeset
    49
  val modify_init: (unit -> theory) -> transition -> transition
6689
wenzelm
parents: 6664
diff changeset
    50
  val exit: transition -> transition
5828
1feeadaad6a9 The Isabelle/Isar toplevel.
wenzelm
parents:
diff changeset
    51
  val keep: (state -> unit) -> transition -> transition
7612
ba11b5db431a added keep', theory';
wenzelm
parents: 7602
diff changeset
    52
  val keep': (bool -> state -> unit) -> transition -> transition
5828
1feeadaad6a9 The Isabelle/Isar toplevel.
wenzelm
parents:
diff changeset
    53
  val imperative: (unit -> unit) -> transition -> transition
27840
e9483ef084cc added ignored, malformed transitions;
wenzelm
parents: 27606
diff changeset
    54
  val ignored: Position.T -> transition
e9483ef084cc added ignored, malformed transitions;
wenzelm
parents: 27606
diff changeset
    55
  val malformed: Position.T -> string -> transition
48772
e46cd0d26481 vacuous execution after first malformed command;
wenzelm
parents: 48633
diff changeset
    56
  val is_malformed: transition -> bool
5828
1feeadaad6a9 The Isabelle/Isar toplevel.
wenzelm
parents:
diff changeset
    57
  val theory: (theory -> theory) -> transition -> transition
26491
c93ff30790fe added generic_theory transaction;
wenzelm
parents: 26293
diff changeset
    58
  val generic_theory: (generic_theory -> generic_theory) -> transition -> transition
7612
ba11b5db431a added keep', theory';
wenzelm
parents: 7602
diff changeset
    59
  val theory': (bool -> theory -> theory) -> transition -> transition
20985
de13e2a23c8e exit_local_theory: pass interactive flag;
wenzelm
parents: 20963
diff changeset
    60
  val begin_local_theory: bool -> (theory -> local_theory) -> transition -> transition
21007
1bbb31aaf98d renamed enter_forward_proof to enter_proof_body;
wenzelm
parents: 20985
diff changeset
    61
  val end_local_theory: transition -> transition
47069
451fc10a81f3 more explicit Toplevel.open_target/close_target;
wenzelm
parents: 46959
diff changeset
    62
  val open_target: (generic_theory -> local_theory) -> transition -> transition
451fc10a81f3 more explicit Toplevel.open_target/close_target;
wenzelm
parents: 46959
diff changeset
    63
  val close_target: transition -> transition
45488
6d71d9e52369 pass positions for named targets, for formal links in the document model;
wenzelm
parents: 44304
diff changeset
    64
  val local_theory': (xstring * Position.T) option -> (bool -> local_theory -> local_theory) ->
6d71d9e52369 pass positions for named targets, for formal links in the document model;
wenzelm
parents: 44304
diff changeset
    65
    transition -> transition
6d71d9e52369 pass positions for named targets, for formal links in the document model;
wenzelm
parents: 44304
diff changeset
    66
  val local_theory: (xstring * Position.T) option -> (local_theory -> local_theory) ->
29380
a9ee3475abf4 added local_theory';
wenzelm
parents: 29343
diff changeset
    67
    transition -> transition
45488
6d71d9e52369 pass positions for named targets, for formal links in the document model;
wenzelm
parents: 44304
diff changeset
    68
  val present_local_theory: (xstring * Position.T) option -> (state -> unit) ->
24453
86cf57ddf8f6 Added local_theory_to_proof'
berghofe
parents: 24295
diff changeset
    69
    transition -> transition
45488
6d71d9e52369 pass positions for named targets, for formal links in the document model;
wenzelm
parents: 44304
diff changeset
    70
  val local_theory_to_proof': (xstring * Position.T) option ->
6d71d9e52369 pass positions for named targets, for formal links in the document model;
wenzelm
parents: 44304
diff changeset
    71
    (bool -> local_theory -> Proof.state) -> transition -> transition
6d71d9e52369 pass positions for named targets, for formal links in the document model;
wenzelm
parents: 44304
diff changeset
    72
  val local_theory_to_proof: (xstring * Position.T) option ->
6d71d9e52369 pass positions for named targets, for formal links in the document model;
wenzelm
parents: 44304
diff changeset
    73
    (local_theory -> Proof.state) -> transition -> transition
17363
046c829c075f added three_buffersN, print3;
wenzelm
parents: 17321
diff changeset
    74
  val theory_to_proof: (theory -> Proof.state) -> transition -> transition
21007
1bbb31aaf98d renamed enter_forward_proof to enter_proof_body;
wenzelm
parents: 20985
diff changeset
    75
  val end_proof: (bool -> Proof.state -> Proof.context) -> transition -> transition
1bbb31aaf98d renamed enter_forward_proof to enter_proof_body;
wenzelm
parents: 20985
diff changeset
    76
  val forget_proof: transition -> transition
30366
e3d788b9dffb simplified presentation: built into transaction, pass state directly;
wenzelm
parents: 29516
diff changeset
    77
  val present_proof: (state -> unit) -> transition -> transition
21177
e8228486aa03 removed checkpoint interface;
wenzelm
parents: 21007
diff changeset
    78
  val proofs': (bool -> Proof.state -> Proof.state Seq.seq) -> transition -> transition
17904
21c6894b5998 simplified interfaces proof/proof' etc.: perform ProofHistory.apply(s)/current internally;
wenzelm
parents: 17513
diff changeset
    79
  val proof': (bool -> Proof.state -> Proof.state) -> transition -> transition
21177
e8228486aa03 removed checkpoint interface;
wenzelm
parents: 21007
diff changeset
    80
  val proofs: (Proof.state -> Proof.state Seq.seq) -> transition -> transition
e8228486aa03 removed checkpoint interface;
wenzelm
parents: 21007
diff changeset
    81
  val proof: (Proof.state -> Proof.state) -> transition -> transition
33390
5b499f36dd25 modernized structure Proof_Node;
wenzelm
parents: 33223
diff changeset
    82
  val actual_proof: (Proof_Node.T -> Proof_Node.T) -> transition -> transition
27564
fc6d34e49e17 replaced obsolete ProofHistory by ProofNode (backtracking only);
wenzelm
parents: 27500
diff changeset
    83
  val skip_proof: (int -> int) -> transition -> transition
17904
21c6894b5998 simplified interfaces proof/proof' etc.: perform ProofHistory.apply(s)/current internally;
wenzelm
parents: 17513
diff changeset
    84
  val skip_proof_to_theory: (int -> bool) -> transition -> transition
27427
f6751d265cf6 added name_of;
wenzelm
parents: 26982
diff changeset
    85
  val get_id: transition -> string option
f6751d265cf6 added name_of;
wenzelm
parents: 26982
diff changeset
    86
  val put_id: string -> transition -> transition
9512
c30f6d0f81d2 added unknown_theory/proof/context;
wenzelm
parents: 9453
diff changeset
    87
  val unknown_theory: transition -> transition
c30f6d0f81d2 added unknown_theory/proof/context;
wenzelm
parents: 9453
diff changeset
    88
  val unknown_proof: transition -> transition
c30f6d0f81d2 added unknown_theory/proof/context;
wenzelm
parents: 9453
diff changeset
    89
  val unknown_context: transition -> transition
28425
25d6099179a6 export setmp_thread_position;
wenzelm
parents: 28394
diff changeset
    90
  val setmp_thread_position: transition -> ('a -> 'b) -> 'a -> 'b
27606
82399f3a8ca8 support for command status;
wenzelm
parents: 27603
diff changeset
    91
  val status: transition -> Markup.T -> unit
44270
3eaad39e520c more careful treatment of exception serial numbers, with propagation to message channel;
wenzelm
parents: 44200
diff changeset
    92
  val error_msg: transition -> serial * string -> unit
28103
b79e61861f0f simplified Toplevel.add_hook: cover successful transactions only;
wenzelm
parents: 28095
diff changeset
    93
  val add_hook: (transition -> state -> state -> unit) -> unit
26602
5534b6a6b810 made purely value-oriented, moved global state to structure Isar (cf. isar.ML);
wenzelm
parents: 26491
diff changeset
    94
  val transition: bool -> transition -> state -> (state * (exn * string) option) option
28425
25d6099179a6 export setmp_thread_position;
wenzelm
parents: 28394
diff changeset
    95
  val command: transition -> state -> state
46959
cdc791910460 defer actual parsing of command spans and thus allow new commands to be used in the same theory where defined;
wenzelm
parents: 45666
diff changeset
    96
  val proof_result: bool -> transition * transition list -> state ->
cdc791910460 defer actual parsing of command spans and thus allow new commands to be used in the same theory where defined;
wenzelm
parents: 45666
diff changeset
    97
    (transition * state) list future * state
5828
1feeadaad6a9 The Isabelle/Isar toplevel.
wenzelm
parents:
diff changeset
    98
end;
1feeadaad6a9 The Isabelle/Isar toplevel.
wenzelm
parents:
diff changeset
    99
6965
a766de752996 fixed interrupts (eliminated races);
wenzelm
parents: 6689
diff changeset
   100
structure Toplevel: TOPLEVEL =
5828
1feeadaad6a9 The Isabelle/Isar toplevel.
wenzelm
parents:
diff changeset
   101
struct
1feeadaad6a9 The Isabelle/Isar toplevel.
wenzelm
parents:
diff changeset
   102
1feeadaad6a9 The Isabelle/Isar toplevel.
wenzelm
parents:
diff changeset
   103
(** toplevel state **)
1feeadaad6a9 The Isabelle/Isar toplevel.
wenzelm
parents:
diff changeset
   104
31476
c5d2899b6de9 moved Isar toplevel runtime support to runtime.ML, which is loaded early (before ml_compiler.ML);
wenzelm
parents: 31431
diff changeset
   105
exception UNDEF = Runtime.UNDEF;
19063
049c010c8fb7 added cases_node;
wenzelm
parents: 18955
diff changeset
   106
049c010c8fb7 added cases_node;
wenzelm
parents: 18955
diff changeset
   107
21294
5cd48242ef17 simplified local theory wrappers;
wenzelm
parents: 21277
diff changeset
   108
(* local theory wrappers *)
5828
1feeadaad6a9 The Isabelle/Isar toplevel.
wenzelm
parents:
diff changeset
   109
38350
480b2de9927c renamed Theory_Target to the more appropriate Named_Target
haftmann
parents: 38236
diff changeset
   110
val loc_init = Named_Target.context_cmd;
47069
451fc10a81f3 more explicit Toplevel.open_target/close_target;
wenzelm
parents: 46959
diff changeset
   111
val loc_exit = Local_Theory.assert_bottom true #> Local_Theory.exit_global;
21294
5cd48242ef17 simplified local theory wrappers;
wenzelm
parents: 21277
diff changeset
   112
47274
feef9b0b6031 misc tuning and simplification;
wenzelm
parents: 47069
diff changeset
   113
fun loc_begin loc (Context.Theory thy) =
feef9b0b6031 misc tuning and simplification;
wenzelm
parents: 47069
diff changeset
   114
      (Context.Theory o loc_exit, loc_init (the_default ("-", Position.none) loc) thy)
feef9b0b6031 misc tuning and simplification;
wenzelm
parents: 47069
diff changeset
   115
  | loc_begin NONE (Context.Proof lthy) =
feef9b0b6031 misc tuning and simplification;
wenzelm
parents: 47069
diff changeset
   116
      (Context.Proof o Local_Theory.restore, lthy)
feef9b0b6031 misc tuning and simplification;
wenzelm
parents: 47069
diff changeset
   117
  | loc_begin (SOME loc) (Context.Proof lthy) =
feef9b0b6031 misc tuning and simplification;
wenzelm
parents: 47069
diff changeset
   118
      (Context.Proof o Named_Target.reinit lthy, loc_init loc (loc_exit lthy));
21294
5cd48242ef17 simplified local theory wrappers;
wenzelm
parents: 21277
diff changeset
   119
5cd48242ef17 simplified local theory wrappers;
wenzelm
parents: 21277
diff changeset
   120
21958
9dfd1ca4c0a0 refined notion of empty toplevel, admits undo of 'end';
wenzelm
parents: 21861
diff changeset
   121
(* datatype node *)
21294
5cd48242ef17 simplified local theory wrappers;
wenzelm
parents: 21277
diff changeset
   122
5828
1feeadaad6a9 The Isabelle/Isar toplevel.
wenzelm
parents:
diff changeset
   123
datatype node =
27576
7afff36043e6 eliminated internal command history -- superceeded by global Isar state (cf. isar.ML);
wenzelm
parents: 27564
diff changeset
   124
  Theory of generic_theory * Proof.context option
7afff36043e6 eliminated internal command history -- superceeded by global Isar state (cf. isar.ML);
wenzelm
parents: 27564
diff changeset
   125
    (*theory with presentation context*) |
33390
5b499f36dd25 modernized structure Proof_Node;
wenzelm
parents: 33223
diff changeset
   126
  Proof of Proof_Node.T * ((Proof.context -> generic_theory) * generic_theory)
27576
7afff36043e6 eliminated internal command history -- superceeded by global Isar state (cf. isar.ML);
wenzelm
parents: 27564
diff changeset
   127
    (*proof node, finish, original theory*) |
27564
fc6d34e49e17 replaced obsolete ProofHistory by ProofNode (backtracking only);
wenzelm
parents: 27500
diff changeset
   128
  SkipProof of int * (generic_theory * generic_theory);
fc6d34e49e17 replaced obsolete ProofHistory by ProofNode (backtracking only);
wenzelm
parents: 27500
diff changeset
   129
    (*proof depth, resulting theory, original theory*)
5828
1feeadaad6a9 The Isabelle/Isar toplevel.
wenzelm
parents:
diff changeset
   130
20963
a7fd8f05a2be added type global_theory -- theory or local_theory;
wenzelm
parents: 20928
diff changeset
   131
val theory_node = fn Theory (gthy, _) => SOME gthy | _ => NONE;
18589
c27c9fa9e83d hide type datatype node;
wenzelm
parents: 18564
diff changeset
   132
val proof_node = fn Proof (prf, _) => SOME prf | _ => NONE;
c27c9fa9e83d hide type datatype node;
wenzelm
parents: 18564
diff changeset
   133
20963
a7fd8f05a2be added type global_theory -- theory or local_theory;
wenzelm
parents: 20928
diff changeset
   134
fun cases_node f _ (Theory (gthy, _)) = f gthy
33390
5b499f36dd25 modernized structure Proof_Node;
wenzelm
parents: 33223
diff changeset
   135
  | cases_node _ g (Proof (prf, _)) = g (Proof_Node.current prf)
21007
1bbb31aaf98d renamed enter_forward_proof to enter_proof_body;
wenzelm
parents: 20985
diff changeset
   136
  | cases_node f _ (SkipProof (_, (gthy, _))) = f gthy;
19063
049c010c8fb7 added cases_node;
wenzelm
parents: 18955
diff changeset
   137
29066
f50c24e5b9fe export context_node;
wenzelm
parents: 28999
diff changeset
   138
val context_node = cases_node Context.proof_of Proof.context_of;
f50c24e5b9fe export context_node;
wenzelm
parents: 28999
diff changeset
   139
21958
9dfd1ca4c0a0 refined notion of empty toplevel, admits undo of 'end';
wenzelm
parents: 21861
diff changeset
   140
9dfd1ca4c0a0 refined notion of empty toplevel, admits undo of 'end';
wenzelm
parents: 21861
diff changeset
   141
(* datatype state *)
9dfd1ca4c0a0 refined notion of empty toplevel, admits undo of 'end';
wenzelm
parents: 21861
diff changeset
   142
37953
ddc3b72f9a42 simplified handling of theory begin/end wrt. toplevel and theory loader;
wenzelm
parents: 37951
diff changeset
   143
datatype state = State of node option * node option;  (*current, previous*)
5828
1feeadaad6a9 The Isabelle/Isar toplevel.
wenzelm
parents:
diff changeset
   144
27576
7afff36043e6 eliminated internal command history -- superceeded by global Isar state (cf. isar.ML);
wenzelm
parents: 27564
diff changeset
   145
val toplevel = State (NONE, NONE);
5828
1feeadaad6a9 The Isabelle/Isar toplevel.
wenzelm
parents:
diff changeset
   146
27576
7afff36043e6 eliminated internal command history -- superceeded by global Isar state (cf. isar.ML);
wenzelm
parents: 27564
diff changeset
   147
fun is_toplevel (State (NONE, _)) = true
7732
d62523296573 added is_toplevel;
wenzelm
parents: 7612
diff changeset
   148
  | is_toplevel _ = false;
d62523296573 added is_toplevel;
wenzelm
parents: 7612
diff changeset
   149
27576
7afff36043e6 eliminated internal command history -- superceeded by global Isar state (cf. isar.ML);
wenzelm
parents: 27564
diff changeset
   150
fun level (State (NONE, _)) = 0
37953
ddc3b72f9a42 simplified handling of theory begin/end wrt. toplevel and theory loader;
wenzelm
parents: 37951
diff changeset
   151
  | level (State (SOME (Theory _), _)) = 0
ddc3b72f9a42 simplified handling of theory begin/end wrt. toplevel and theory loader;
wenzelm
parents: 37951
diff changeset
   152
  | level (State (SOME (Proof (prf, _)), _)) = Proof.level (Proof_Node.current prf)
ddc3b72f9a42 simplified handling of theory begin/end wrt. toplevel and theory loader;
wenzelm
parents: 37951
diff changeset
   153
  | level (State (SOME (SkipProof (d, _)), _)) = d + 1;   (*different notion of proof depth!*)
17076
c7effdf2e2e2 state: body context;
wenzelm
parents: 16815
diff changeset
   154
27576
7afff36043e6 eliminated internal command history -- superceeded by global Isar state (cf. isar.ML);
wenzelm
parents: 27564
diff changeset
   155
fun str_of_state (State (NONE, _)) = "at top level"
37953
ddc3b72f9a42 simplified handling of theory begin/end wrt. toplevel and theory loader;
wenzelm
parents: 37951
diff changeset
   156
  | str_of_state (State (SOME (Theory (Context.Theory _, _)), _)) = "in theory mode"
ddc3b72f9a42 simplified handling of theory begin/end wrt. toplevel and theory loader;
wenzelm
parents: 37951
diff changeset
   157
  | str_of_state (State (SOME (Theory (Context.Proof _, _)), _)) = "in local theory mode"
ddc3b72f9a42 simplified handling of theory begin/end wrt. toplevel and theory loader;
wenzelm
parents: 37951
diff changeset
   158
  | str_of_state (State (SOME (Proof _), _)) = "in proof mode"
ddc3b72f9a42 simplified handling of theory begin/end wrt. toplevel and theory loader;
wenzelm
parents: 37951
diff changeset
   159
  | str_of_state (State (SOME (SkipProof _), _)) = "in skipped proof mode";
5946
a4600d21b59b print_state hook, obeys Goals.current_goals_markers by default;
wenzelm
parents: 5939
diff changeset
   160
a4600d21b59b print_state hook, obeys Goals.current_goals_markers by default;
wenzelm
parents: 5939
diff changeset
   161
27576
7afff36043e6 eliminated internal command history -- superceeded by global Isar state (cf. isar.ML);
wenzelm
parents: 27564
diff changeset
   162
(* current node *)
5828
1feeadaad6a9 The Isabelle/Isar toplevel.
wenzelm
parents:
diff changeset
   163
27576
7afff36043e6 eliminated internal command history -- superceeded by global Isar state (cf. isar.ML);
wenzelm
parents: 27564
diff changeset
   164
fun node_of (State (NONE, _)) = raise UNDEF
37953
ddc3b72f9a42 simplified handling of theory begin/end wrt. toplevel and theory loader;
wenzelm
parents: 37951
diff changeset
   165
  | node_of (State (SOME node, _)) = node;
5828
1feeadaad6a9 The Isabelle/Isar toplevel.
wenzelm
parents:
diff changeset
   166
18589
c27c9fa9e83d hide type datatype node;
wenzelm
parents: 18564
diff changeset
   167
fun is_theory state = not (is_toplevel state) andalso is_some (theory_node (node_of state));
c27c9fa9e83d hide type datatype node;
wenzelm
parents: 18564
diff changeset
   168
fun is_proof state = not (is_toplevel state) andalso is_some (proof_node (node_of state));
c27c9fa9e83d hide type datatype node;
wenzelm
parents: 18564
diff changeset
   169
19063
049c010c8fb7 added cases_node;
wenzelm
parents: 18955
diff changeset
   170
fun node_case f g state = cases_node f g (node_of state);
5828
1feeadaad6a9 The Isabelle/Isar toplevel.
wenzelm
parents:
diff changeset
   171
30398
d7ac4b7aa590 simplified presentation_context_of;
wenzelm
parents: 30366
diff changeset
   172
fun presentation_context_of state =
d7ac4b7aa590 simplified presentation_context_of;
wenzelm
parents: 30366
diff changeset
   173
  (case try node_of state of
d7ac4b7aa590 simplified presentation_context_of;
wenzelm
parents: 30366
diff changeset
   174
    SOME (Theory (_, SOME ctxt)) => ctxt
d7ac4b7aa590 simplified presentation_context_of;
wenzelm
parents: 30366
diff changeset
   175
  | SOME node => context_node node
d7ac4b7aa590 simplified presentation_context_of;
wenzelm
parents: 30366
diff changeset
   176
  | NONE => raise UNDEF);
30366
e3d788b9dffb simplified presentation: built into transaction, pass state directly;
wenzelm
parents: 29516
diff changeset
   177
30801
9bdf001bea58 added Toplevel.previous_node_of;
wenzelm
parents: 30618
diff changeset
   178
fun previous_context_of (State (_, NONE)) = NONE
37953
ddc3b72f9a42 simplified handling of theory begin/end wrt. toplevel and theory loader;
wenzelm
parents: 37951
diff changeset
   179
  | previous_context_of (State (_, SOME prev)) = SOME (context_node prev);
30801
9bdf001bea58 added Toplevel.previous_node_of;
wenzelm
parents: 30618
diff changeset
   180
21506
b2a673894ce5 prefer Proof.context over Context.generic;
wenzelm
parents: 21310
diff changeset
   181
val context_of = node_case Context.proof_of Proof.context_of;
22089
d9b614dc883d added generic_theory_of;
wenzelm
parents: 22056
diff changeset
   182
val generic_theory_of = node_case I (Context.Proof o Proof.context_of);
20963
a7fd8f05a2be added type global_theory -- theory or local_theory;
wenzelm
parents: 20928
diff changeset
   183
val theory_of = node_case Context.theory_of Proof.theory_of;
18589
c27c9fa9e83d hide type datatype node;
wenzelm
parents: 18564
diff changeset
   184
val proof_of = node_case (fn _ => raise UNDEF) I;
17208
49bc1bdc7b6e added no_body_context;
wenzelm
parents: 17115
diff changeset
   185
18589
c27c9fa9e83d hide type datatype node;
wenzelm
parents: 18564
diff changeset
   186
fun proof_position_of state =
c27c9fa9e83d hide type datatype node;
wenzelm
parents: 18564
diff changeset
   187
  (case node_of state of
33390
5b499f36dd25 modernized structure Proof_Node;
wenzelm
parents: 33223
diff changeset
   188
    Proof (prf, _) => Proof_Node.position prf
18589
c27c9fa9e83d hide type datatype node;
wenzelm
parents: 18564
diff changeset
   189
  | _ => raise UNDEF);
6664
f679ddd1ddd8 cleaned comments;
wenzelm
parents: 6244
diff changeset
   190
43667
6d73cceb1503 explicit exit_transaction with Theory.end_theory (which could include sanity checks as in HOL-SPARK for example);
wenzelm
parents: 43665
diff changeset
   191
fun end_theory _ (State (NONE, SOME (Theory (Context.Theory thy, _)))) = thy
48992
0518bf89c777 renamed Position.str_of to Position.here;
wenzelm
parents: 48772
diff changeset
   192
  | end_theory pos (State (NONE, _)) = error ("Bad theory" ^ Position.here pos)
0518bf89c777 renamed Position.str_of to Position.here;
wenzelm
parents: 48772
diff changeset
   193
  | end_theory pos (State (SOME _, _)) = error ("Unfinished theory" ^ Position.here pos);
37953
ddc3b72f9a42 simplified handling of theory begin/end wrt. toplevel and theory loader;
wenzelm
parents: 37951
diff changeset
   194
5828
1feeadaad6a9 The Isabelle/Isar toplevel.
wenzelm
parents:
diff changeset
   195
16815
13d20ed9086c added print_state_hook;
wenzelm
parents: 16729
diff changeset
   196
(* print state *)
13d20ed9086c added print_state_hook;
wenzelm
parents: 16729
diff changeset
   197
38388
94d5624dd1f7 Named_Target.theory_init
haftmann
parents: 38384
diff changeset
   198
val pretty_context = Local_Theory.pretty o Context.cases (Named_Target.theory_init) I;
16815
13d20ed9086c added print_state_hook;
wenzelm
parents: 16729
diff changeset
   199
23640
baec2e674461 toplevel prompt/print_state: proper markup, removed hooks;
wenzelm
parents: 23619
diff changeset
   200
fun print_state_context state =
24795
6f5cb7885fd7 print_state_context: local theory context, not proof context;
wenzelm
parents: 24780
diff changeset
   201
  (case try node_of state of
21506
b2a673894ce5 prefer Proof.context over Context.generic;
wenzelm
parents: 21310
diff changeset
   202
    NONE => []
24795
6f5cb7885fd7 print_state_context: local theory context, not proof context;
wenzelm
parents: 24780
diff changeset
   203
  | SOME (Theory (gthy, _)) => pretty_context gthy
6f5cb7885fd7 print_state_context: local theory context, not proof context;
wenzelm
parents: 24780
diff changeset
   204
  | SOME (Proof (_, (_, gthy))) => pretty_context gthy
6f5cb7885fd7 print_state_context: local theory context, not proof context;
wenzelm
parents: 24780
diff changeset
   205
  | SOME (SkipProof (_, (gthy, _))) => pretty_context gthy)
23640
baec2e674461 toplevel prompt/print_state: proper markup, removed hooks;
wenzelm
parents: 23619
diff changeset
   206
  |> Pretty.chunks |> Pretty.writeln;
16815
13d20ed9086c added print_state_hook;
wenzelm
parents: 16729
diff changeset
   207
23640
baec2e674461 toplevel prompt/print_state: proper markup, removed hooks;
wenzelm
parents: 23619
diff changeset
   208
fun print_state prf_only state =
23701
1716f19e7d25 Markup.output;
wenzelm
parents: 23661
diff changeset
   209
  (case try node_of state of
1716f19e7d25 Markup.output;
wenzelm
parents: 23661
diff changeset
   210
    NONE => []
1716f19e7d25 Markup.output;
wenzelm
parents: 23661
diff changeset
   211
  | SOME (Theory (gthy, _)) => if prf_only then [] else pretty_context gthy
1716f19e7d25 Markup.output;
wenzelm
parents: 23661
diff changeset
   212
  | SOME (Proof (prf, _)) =>
33390
5b499f36dd25 modernized structure Proof_Node;
wenzelm
parents: 33223
diff changeset
   213
      Proof.pretty_state (Proof_Node.position prf) (Proof_Node.current prf)
27564
fc6d34e49e17 replaced obsolete ProofHistory by ProofNode (backtracking only);
wenzelm
parents: 27500
diff changeset
   214
  | SOME (SkipProof (d, _)) => [Pretty.str ("skipped proof: depth " ^ string_of_int d)])
45666
d83797ef0d2d separate module for concrete Isabelle markup;
wenzelm
parents: 45488
diff changeset
   215
  |> Pretty.markup_chunks Isabelle_Markup.state |> Pretty.writeln;
16815
13d20ed9086c added print_state_hook;
wenzelm
parents: 16729
diff changeset
   216
37858
e1ef6b441fe7 toplevel pp for Proof.state and Toplevel.state;
wenzelm
parents: 37856
diff changeset
   217
fun pretty_abstract state = Pretty.str ("<Isar " ^ str_of_state state ^ ">");
e1ef6b441fe7 toplevel pp for Proof.state and Toplevel.state;
wenzelm
parents: 37856
diff changeset
   218
16815
13d20ed9086c added print_state_hook;
wenzelm
parents: 16729
diff changeset
   219
15668
53c049a365cf improved exn_message;
wenzelm
parents: 15633
diff changeset
   220
5828
1feeadaad6a9 The Isabelle/Isar toplevel.
wenzelm
parents:
diff changeset
   221
(** toplevel transitions **)
1feeadaad6a9 The Isabelle/Isar toplevel.
wenzelm
parents:
diff changeset
   222
32738
15bb09ca0378 explicit indication of Unsynchronized.ref;
wenzelm
parents: 32062
diff changeset
   223
val quiet = Unsynchronized.ref false;
39513
fce2202892c4 discontinued Output.debug, which belongs to early PGIP experiments (b6788dbd2ef9) and causes just too many problems (like spamming the message channel if it is used by more than one module);
wenzelm
parents: 39285
diff changeset
   224
val debug = Runtime.debug;
32738
15bb09ca0378 explicit indication of Unsynchronized.ref;
wenzelm
parents: 32062
diff changeset
   225
val interact = Unsynchronized.ref false;
42012
2c3fe3cbebae structure Timing: covers former start_timing/end_timing and Output.timeit etc;
wenzelm
parents: 41703
diff changeset
   226
val timing = Unsynchronized.ref false;
32738
15bb09ca0378 explicit indication of Unsynchronized.ref;
wenzelm
parents: 32062
diff changeset
   227
val profiling = Unsynchronized.ref 0;
15bb09ca0378 explicit indication of Unsynchronized.ref;
wenzelm
parents: 32062
diff changeset
   228
val skip_proofs = Unsynchronized.ref false;
16682
wenzelm
parents: 16658
diff changeset
   229
33604
d4220df6fde2 Toplevel.thread provides Isar-style exception output;
wenzelm
parents: 33553
diff changeset
   230
fun program body =
d4220df6fde2 Toplevel.thread provides Isar-style exception output;
wenzelm
parents: 33553
diff changeset
   231
 (body
31476
c5d2899b6de9 moved Isar toplevel runtime support to runtime.ML, which is loaded early (before ml_compiler.ML);
wenzelm
parents: 31431
diff changeset
   232
  |> Runtime.controlled_execution
33604
d4220df6fde2 Toplevel.thread provides Isar-style exception output;
wenzelm
parents: 33553
diff changeset
   233
  |> Runtime.toplevel_error (Output.error_msg o ML_Compiler.exn_message)) ();
d4220df6fde2 Toplevel.thread provides Isar-style exception output;
wenzelm
parents: 33553
diff changeset
   234
d4220df6fde2 Toplevel.thread provides Isar-style exception output;
wenzelm
parents: 33553
diff changeset
   235
fun thread interrupts body =
d4220df6fde2 Toplevel.thread provides Isar-style exception output;
wenzelm
parents: 33553
diff changeset
   236
  Thread.fork
39232
69c6d3e87660 more abstract treatment of interrupts in structure Exn -- hardly ever need to mention Interrupt literally;
wenzelm
parents: 38888
diff changeset
   237
    (((fn () => body () handle exn => if Exn.is_interrupt exn then () else reraise exn)
33604
d4220df6fde2 Toplevel.thread provides Isar-style exception output;
wenzelm
parents: 33553
diff changeset
   238
        |> Runtime.debugging
d4220df6fde2 Toplevel.thread provides Isar-style exception output;
wenzelm
parents: 33553
diff changeset
   239
        |> Runtime.toplevel_error
40132
7ee65dbffa31 renamed Output.priority to Output.urgent_message to emphasize its special role more clearly;
wenzelm
parents: 39513
diff changeset
   240
          (fn exn =>
7ee65dbffa31 renamed Output.priority to Output.urgent_message to emphasize its special role more clearly;
wenzelm
parents: 39513
diff changeset
   241
            Output.urgent_message ("## INTERNAL ERROR ##\n" ^ ML_Compiler.exn_message exn))),
37216
3165bc303f66 modernized some structure names, keeping a few legacy aliases;
wenzelm
parents: 37208
diff changeset
   242
      Simple_Thread.attributes interrupts);
20128
8f0e07d7cf92 keep/transaction: unified execution model (with debugging etc.);
wenzelm
parents: 19996
diff changeset
   243
5828
1feeadaad6a9 The Isabelle/Isar toplevel.
wenzelm
parents:
diff changeset
   244
27601
6683cdb94af8 simplified commit_exit: operate on previous node of final state, include warning here;
wenzelm
parents: 27583
diff changeset
   245
(* node transactions -- maintaining stable checkpoints *)
7022
abf9d5e2fb6e removed BREAK, ROLLBACK;
wenzelm
parents: 6971
diff changeset
   246
31476
c5d2899b6de9 moved Isar toplevel runtime support to runtime.ML, which is loaded early (before ml_compiler.ML);
wenzelm
parents: 31431
diff changeset
   247
exception FAILURE of state * exn;
c5d2899b6de9 moved Isar toplevel runtime support to runtime.ML, which is loaded early (before ml_compiler.ML);
wenzelm
parents: 31431
diff changeset
   248
6689
wenzelm
parents: 6664
diff changeset
   249
local
wenzelm
parents: 6664
diff changeset
   250
30366
e3d788b9dffb simplified presentation: built into transaction, pass state directly;
wenzelm
parents: 29516
diff changeset
   251
fun reset_presentation (Theory (gthy, _)) = Theory (gthy, NONE)
e3d788b9dffb simplified presentation: built into transaction, pass state directly;
wenzelm
parents: 29516
diff changeset
   252
  | reset_presentation node = node;
e3d788b9dffb simplified presentation: built into transaction, pass state directly;
wenzelm
parents: 29516
diff changeset
   253
26624
770265032999 transaction/init: ensure stable theory (non-draft);
wenzelm
parents: 26621
diff changeset
   254
fun is_draft_theory (Theory (gthy, _)) = Context.is_draft (Context.theory_of gthy)
770265032999 transaction/init: ensure stable theory (non-draft);
wenzelm
parents: 26621
diff changeset
   255
  | is_draft_theory _ = false;
770265032999 transaction/init: ensure stable theory (non-draft);
wenzelm
parents: 26621
diff changeset
   256
31476
c5d2899b6de9 moved Isar toplevel runtime support to runtime.ML, which is loaded early (before ml_compiler.ML);
wenzelm
parents: 31431
diff changeset
   257
fun is_stale state = Context.is_stale (theory_of state) handle Runtime.UNDEF => false;
27601
6683cdb94af8 simplified commit_exit: operate on previous node of final state, include warning here;
wenzelm
parents: 27583
diff changeset
   258
26624
770265032999 transaction/init: ensure stable theory (non-draft);
wenzelm
parents: 26621
diff changeset
   259
fun stale_error NONE = SOME (ERROR "Stale theory encountered after successful execution!")
770265032999 transaction/init: ensure stable theory (non-draft);
wenzelm
parents: 26621
diff changeset
   260
  | stale_error some = some;
16815
13d20ed9086c added print_state_hook;
wenzelm
parents: 16729
diff changeset
   261
27576
7afff36043e6 eliminated internal command history -- superceeded by global Isar state (cf. isar.ML);
wenzelm
parents: 27564
diff changeset
   262
fun map_theory f (Theory (gthy, ctxt)) =
33671
4b0f2599ed48 modernized structure Local_Theory;
wenzelm
parents: 33604
diff changeset
   263
      Theory (Context.mapping f (Local_Theory.raw_theory f) gthy, ctxt)
27576
7afff36043e6 eliminated internal command history -- superceeded by global Isar state (cf. isar.ML);
wenzelm
parents: 27564
diff changeset
   264
  | map_theory _ node = node;
6689
wenzelm
parents: 6664
diff changeset
   265
wenzelm
parents: 6664
diff changeset
   266
in
wenzelm
parents: 6664
diff changeset
   267
37953
ddc3b72f9a42 simplified handling of theory begin/end wrt. toplevel and theory loader;
wenzelm
parents: 37951
diff changeset
   268
fun apply_transaction f g node =
20128
8f0e07d7cf92 keep/transaction: unified execution model (with debugging etc.);
wenzelm
parents: 19996
diff changeset
   269
  let
27576
7afff36043e6 eliminated internal command history -- superceeded by global Isar state (cf. isar.ML);
wenzelm
parents: 27564
diff changeset
   270
    val _ = is_draft_theory node andalso error "Illegal draft theory in toplevel state";
7afff36043e6 eliminated internal command history -- superceeded by global Isar state (cf. isar.ML);
wenzelm
parents: 27564
diff changeset
   271
    val cont_node = reset_presentation node;
7afff36043e6 eliminated internal command history -- superceeded by global Isar state (cf. isar.ML);
wenzelm
parents: 27564
diff changeset
   272
    val back_node = map_theory (Theory.checkpoint o Theory.copy) cont_node;
37953
ddc3b72f9a42 simplified handling of theory begin/end wrt. toplevel and theory loader;
wenzelm
parents: 37951
diff changeset
   273
    fun state_error e nd = (State (SOME nd, SOME node), e);
6689
wenzelm
parents: 6664
diff changeset
   274
20128
8f0e07d7cf92 keep/transaction: unified execution model (with debugging etc.);
wenzelm
parents: 19996
diff changeset
   275
    val (result, err) =
8f0e07d7cf92 keep/transaction: unified execution model (with debugging etc.);
wenzelm
parents: 19996
diff changeset
   276
      cont_node
31476
c5d2899b6de9 moved Isar toplevel runtime support to runtime.ML, which is loaded early (before ml_compiler.ML);
wenzelm
parents: 31431
diff changeset
   277
      |> Runtime.controlled_execution f
26624
770265032999 transaction/init: ensure stable theory (non-draft);
wenzelm
parents: 26621
diff changeset
   278
      |> map_theory Theory.checkpoint
770265032999 transaction/init: ensure stable theory (non-draft);
wenzelm
parents: 26621
diff changeset
   279
      |> state_error NONE
770265032999 transaction/init: ensure stable theory (non-draft);
wenzelm
parents: 26621
diff changeset
   280
      handle exn => state_error (SOME exn) cont_node;
770265032999 transaction/init: ensure stable theory (non-draft);
wenzelm
parents: 26621
diff changeset
   281
770265032999 transaction/init: ensure stable theory (non-draft);
wenzelm
parents: 26621
diff changeset
   282
    val (result', err') =
770265032999 transaction/init: ensure stable theory (non-draft);
wenzelm
parents: 26621
diff changeset
   283
      if is_stale result then state_error (stale_error err) back_node
770265032999 transaction/init: ensure stable theory (non-draft);
wenzelm
parents: 26621
diff changeset
   284
      else (result, err);
20128
8f0e07d7cf92 keep/transaction: unified execution model (with debugging etc.);
wenzelm
parents: 19996
diff changeset
   285
  in
26624
770265032999 transaction/init: ensure stable theory (non-draft);
wenzelm
parents: 26621
diff changeset
   286
    (case err' of
30366
e3d788b9dffb simplified presentation: built into transaction, pass state directly;
wenzelm
parents: 29516
diff changeset
   287
      NONE => tap g result'
26624
770265032999 transaction/init: ensure stable theory (non-draft);
wenzelm
parents: 26621
diff changeset
   288
    | SOME exn => raise FAILURE (result', exn))
20128
8f0e07d7cf92 keep/transaction: unified execution model (with debugging etc.);
wenzelm
parents: 19996
diff changeset
   289
  end;
6689
wenzelm
parents: 6664
diff changeset
   290
43667
6d73cceb1503 explicit exit_transaction with Theory.end_theory (which could include sanity checks as in HOL-SPARK for example);
wenzelm
parents: 43665
diff changeset
   291
val exit_transaction =
6d73cceb1503 explicit exit_transaction with Theory.end_theory (which could include sanity checks as in HOL-SPARK for example);
wenzelm
parents: 43665
diff changeset
   292
  apply_transaction
6d73cceb1503 explicit exit_transaction with Theory.end_theory (which could include sanity checks as in HOL-SPARK for example);
wenzelm
parents: 43665
diff changeset
   293
    (fn Theory (Context.Theory thy, _) => Theory (Context.Theory (Theory.end_theory thy), NONE)
6d73cceb1503 explicit exit_transaction with Theory.end_theory (which could include sanity checks as in HOL-SPARK for example);
wenzelm
parents: 43665
diff changeset
   294
      | node => node) (K ())
6d73cceb1503 explicit exit_transaction with Theory.end_theory (which could include sanity checks as in HOL-SPARK for example);
wenzelm
parents: 43665
diff changeset
   295
  #> (fn State (node', _) => State (NONE, node'));
6d73cceb1503 explicit exit_transaction with Theory.end_theory (which could include sanity checks as in HOL-SPARK for example);
wenzelm
parents: 43665
diff changeset
   296
6689
wenzelm
parents: 6664
diff changeset
   297
end;
wenzelm
parents: 6664
diff changeset
   298
wenzelm
parents: 6664
diff changeset
   299
wenzelm
parents: 6664
diff changeset
   300
(* primitive transitions *)
wenzelm
parents: 6664
diff changeset
   301
5828
1feeadaad6a9 The Isabelle/Isar toplevel.
wenzelm
parents:
diff changeset
   302
datatype trans =
44187
88d770052bac simplified Toplevel.init_theory: discontinued special name argument;
wenzelm
parents: 44186
diff changeset
   303
  Init of unit -> theory |               (*init theory*)
37953
ddc3b72f9a42 simplified handling of theory begin/end wrt. toplevel and theory loader;
wenzelm
parents: 37951
diff changeset
   304
  Exit |                                 (*formal exit of theory*)
ddc3b72f9a42 simplified handling of theory begin/end wrt. toplevel and theory loader;
wenzelm
parents: 37951
diff changeset
   305
  Keep of bool -> state -> unit |        (*peek at state*)
30366
e3d788b9dffb simplified presentation: built into transaction, pass state directly;
wenzelm
parents: 29516
diff changeset
   306
  Transaction of (bool -> node -> node) * (state -> unit);  (*node transaction and presentation*)
21958
9dfd1ca4c0a0 refined notion of empty toplevel, admits undo of 'end';
wenzelm
parents: 21861
diff changeset
   307
6689
wenzelm
parents: 6664
diff changeset
   308
local
5828
1feeadaad6a9 The Isabelle/Isar toplevel.
wenzelm
parents:
diff changeset
   309
44187
88d770052bac simplified Toplevel.init_theory: discontinued special name argument;
wenzelm
parents: 44186
diff changeset
   310
fun apply_tr _ (Init f) (State (NONE, _)) =
33727
e2d5d7f51aa3 init_theory: Runtime.controlled_execution for proper exception trace etc.;
wenzelm
parents: 33725
diff changeset
   311
      State (SOME (Theory (Context.Theory
44186
806f0ec1a43d simplified Toplevel.init_theory: discontinued special master argument;
wenzelm
parents: 44185
diff changeset
   312
          (Theory.checkpoint (Runtime.controlled_execution f ())), NONE)), NONE)
43667
6d73cceb1503 explicit exit_transaction with Theory.end_theory (which could include sanity checks as in HOL-SPARK for example);
wenzelm
parents: 43665
diff changeset
   313
  | apply_tr _ Exit (State (SOME (state as Theory (Context.Theory _, _)), _)) =
6d73cceb1503 explicit exit_transaction with Theory.end_theory (which could include sanity checks as in HOL-SPARK for example);
wenzelm
parents: 43665
diff changeset
   314
      exit_transaction state
32792
a08a2b962a09 eliminated dead code;
wenzelm
parents: 32738
diff changeset
   315
  | apply_tr int (Keep f) state =
31476
c5d2899b6de9 moved Isar toplevel runtime support to runtime.ML, which is loaded early (before ml_compiler.ML);
wenzelm
parents: 31431
diff changeset
   316
      Runtime.controlled_execution (fn x => tap (f int) x) state
32792
a08a2b962a09 eliminated dead code;
wenzelm
parents: 32738
diff changeset
   317
  | apply_tr int (Transaction (f, g)) (State (SOME state, _)) =
a08a2b962a09 eliminated dead code;
wenzelm
parents: 32738
diff changeset
   318
      apply_transaction (fn x => f int x) g state
a08a2b962a09 eliminated dead code;
wenzelm
parents: 32738
diff changeset
   319
  | apply_tr _ _ _ = raise UNDEF;
5828
1feeadaad6a9 The Isabelle/Isar toplevel.
wenzelm
parents:
diff changeset
   320
32792
a08a2b962a09 eliminated dead code;
wenzelm
parents: 32738
diff changeset
   321
fun apply_union _ [] state = raise FAILURE (state, UNDEF)
a08a2b962a09 eliminated dead code;
wenzelm
parents: 32738
diff changeset
   322
  | apply_union int (tr :: trs) state =
a08a2b962a09 eliminated dead code;
wenzelm
parents: 32738
diff changeset
   323
      apply_union int trs state
a08a2b962a09 eliminated dead code;
wenzelm
parents: 32738
diff changeset
   324
        handle Runtime.UNDEF => apply_tr int tr state
a08a2b962a09 eliminated dead code;
wenzelm
parents: 32738
diff changeset
   325
          | FAILURE (alt_state, UNDEF) => apply_tr int tr alt_state
6689
wenzelm
parents: 6664
diff changeset
   326
          | exn as FAILURE _ => raise exn
wenzelm
parents: 6664
diff changeset
   327
          | exn => raise FAILURE (state, exn);
wenzelm
parents: 6664
diff changeset
   328
wenzelm
parents: 6664
diff changeset
   329
in
wenzelm
parents: 6664
diff changeset
   330
32792
a08a2b962a09 eliminated dead code;
wenzelm
parents: 32738
diff changeset
   331
fun apply_trans int trs state = (apply_union int trs state, NONE)
15531
08c8dad8e399 Deleted Library.option type.
skalberg
parents: 15519
diff changeset
   332
  handle FAILURE (alt_state, exn) => (alt_state, SOME exn) | exn => (state, SOME exn);
6689
wenzelm
parents: 6664
diff changeset
   333
wenzelm
parents: 6664
diff changeset
   334
end;
5828
1feeadaad6a9 The Isabelle/Isar toplevel.
wenzelm
parents:
diff changeset
   335
1feeadaad6a9 The Isabelle/Isar toplevel.
wenzelm
parents:
diff changeset
   336
1feeadaad6a9 The Isabelle/Isar toplevel.
wenzelm
parents:
diff changeset
   337
(* datatype transition *)
1feeadaad6a9 The Isabelle/Isar toplevel.
wenzelm
parents:
diff changeset
   338
1feeadaad6a9 The Isabelle/Isar toplevel.
wenzelm
parents:
diff changeset
   339
datatype transition = Transition of
26621
78b3ad7af5d5 eliminated unused name_of, source, source_of, print', print3, three_buffersN;
wenzelm
parents: 26602
diff changeset
   340
 {name: string,              (*command name*)
78b3ad7af5d5 eliminated unused name_of, source, source_of, print', print3, three_buffersN;
wenzelm
parents: 26602
diff changeset
   341
  pos: Position.T,           (*source position*)
78b3ad7af5d5 eliminated unused name_of, source, source_of, print', print3, three_buffersN;
wenzelm
parents: 26602
diff changeset
   342
  int_only: bool,            (*interactive-only*)
78b3ad7af5d5 eliminated unused name_of, source, source_of, print', print3, three_buffersN;
wenzelm
parents: 26602
diff changeset
   343
  print: bool,               (*print result state*)
78b3ad7af5d5 eliminated unused name_of, source, source_of, print', print3, three_buffersN;
wenzelm
parents: 26602
diff changeset
   344
  no_timing: bool,           (*suppress timing*)
78b3ad7af5d5 eliminated unused name_of, source, source_of, print', print3, three_buffersN;
wenzelm
parents: 26602
diff changeset
   345
  trans: trans list};        (*primitive transitions (union)*)
5828
1feeadaad6a9 The Isabelle/Isar toplevel.
wenzelm
parents:
diff changeset
   346
26621
78b3ad7af5d5 eliminated unused name_of, source, source_of, print', print3, three_buffersN;
wenzelm
parents: 26602
diff changeset
   347
fun make_transition (name, pos, int_only, print, no_timing, trans) =
78b3ad7af5d5 eliminated unused name_of, source, source_of, print', print3, three_buffersN;
wenzelm
parents: 26602
diff changeset
   348
  Transition {name = name, pos = pos, int_only = int_only, print = print, no_timing = no_timing,
78b3ad7af5d5 eliminated unused name_of, source, source_of, print', print3, three_buffersN;
wenzelm
parents: 26602
diff changeset
   349
    trans = trans};
5828
1feeadaad6a9 The Isabelle/Isar toplevel.
wenzelm
parents:
diff changeset
   350
26621
78b3ad7af5d5 eliminated unused name_of, source, source_of, print', print3, three_buffersN;
wenzelm
parents: 26602
diff changeset
   351
fun map_transition f (Transition {name, pos, int_only, print, no_timing, trans}) =
78b3ad7af5d5 eliminated unused name_of, source, source_of, print', print3, three_buffersN;
wenzelm
parents: 26602
diff changeset
   352
  make_transition (f (name, pos, int_only, print, no_timing, trans));
5828
1feeadaad6a9 The Isabelle/Isar toplevel.
wenzelm
parents:
diff changeset
   353
27441
38ccd5aaa353 init_theory: pass name explicitly;
wenzelm
parents: 27427
diff changeset
   354
val empty = make_transition ("", Position.none, false, false, false, []);
5828
1feeadaad6a9 The Isabelle/Isar toplevel.
wenzelm
parents:
diff changeset
   355
1feeadaad6a9 The Isabelle/Isar toplevel.
wenzelm
parents:
diff changeset
   356
1feeadaad6a9 The Isabelle/Isar toplevel.
wenzelm
parents:
diff changeset
   357
(* diagnostics *)
1feeadaad6a9 The Isabelle/Isar toplevel.
wenzelm
parents:
diff changeset
   358
38888
8248cda328de moved Toplevel.run_command to Pure/PIDE/document.ML;
wenzelm
parents: 38876
diff changeset
   359
fun print_of (Transition {print, ...}) = print;
27427
f6751d265cf6 added name_of;
wenzelm
parents: 26982
diff changeset
   360
fun name_of (Transition {name, ...}) = name;
28105
44054657ea56 added pos_of;
wenzelm
parents: 28103
diff changeset
   361
fun pos_of (Transition {pos, ...}) = pos;
48992
0518bf89c777 renamed Position.str_of to Position.here;
wenzelm
parents: 48772
diff changeset
   362
fun str_of tr = quote (name_of tr) ^ Position.here (pos_of tr);
5828
1feeadaad6a9 The Isabelle/Isar toplevel.
wenzelm
parents:
diff changeset
   363
27427
f6751d265cf6 added name_of;
wenzelm
parents: 26982
diff changeset
   364
fun command_msg msg tr = msg ^ "command " ^ str_of tr;
38875
c7a66b584147 tuned messages: discontinued spurious full-stops (messages are occasionally composed unexpectedly);
wenzelm
parents: 38721
diff changeset
   365
fun at_command tr = command_msg "At " tr;
5828
1feeadaad6a9 The Isabelle/Isar toplevel.
wenzelm
parents:
diff changeset
   366
1feeadaad6a9 The Isabelle/Isar toplevel.
wenzelm
parents:
diff changeset
   367
fun type_error tr state =
18685
725660906cb3 sane ERROR vs. TOPLEVEL_ERROR handling;
wenzelm
parents: 18664
diff changeset
   368
  ERROR (command_msg "Illegal application of " tr ^ " " ^ str_of_state state);
5828
1feeadaad6a9 The Isabelle/Isar toplevel.
wenzelm
parents:
diff changeset
   369
1feeadaad6a9 The Isabelle/Isar toplevel.
wenzelm
parents:
diff changeset
   370
1feeadaad6a9 The Isabelle/Isar toplevel.
wenzelm
parents:
diff changeset
   371
(* modify transitions *)
1feeadaad6a9 The Isabelle/Isar toplevel.
wenzelm
parents:
diff changeset
   372
28451
0586b855c2b5 datatype transition: internal trans field is maintained in reverse order;
wenzelm
parents: 28446
diff changeset
   373
fun name name = map_transition (fn (_, pos, int_only, print, no_timing, trans) =>
0586b855c2b5 datatype transition: internal trans field is maintained in reverse order;
wenzelm
parents: 28446
diff changeset
   374
  (name, pos, int_only, print, no_timing, trans));
9010
ce78dc5e1a73 Toplevel.no_timing;
wenzelm
parents: 8999
diff changeset
   375
26621
78b3ad7af5d5 eliminated unused name_of, source, source_of, print', print3, three_buffersN;
wenzelm
parents: 26602
diff changeset
   376
fun position pos = map_transition (fn (name, _, int_only, print, no_timing, trans) =>
78b3ad7af5d5 eliminated unused name_of, source, source_of, print', print3, three_buffersN;
wenzelm
parents: 26602
diff changeset
   377
  (name, pos, int_only, print, no_timing, trans));
5828
1feeadaad6a9 The Isabelle/Isar toplevel.
wenzelm
parents:
diff changeset
   378
26621
78b3ad7af5d5 eliminated unused name_of, source, source_of, print', print3, three_buffersN;
wenzelm
parents: 26602
diff changeset
   379
fun interactive int_only = map_transition (fn (name, pos, _, print, no_timing, trans) =>
78b3ad7af5d5 eliminated unused name_of, source, source_of, print', print3, three_buffersN;
wenzelm
parents: 26602
diff changeset
   380
  (name, pos, int_only, print, no_timing, trans));
14923
8a32071c3c13 added name_of, source_of, source;
wenzelm
parents: 14825
diff changeset
   381
26621
78b3ad7af5d5 eliminated unused name_of, source, source_of, print', print3, three_buffersN;
wenzelm
parents: 26602
diff changeset
   382
val no_timing = map_transition (fn (name, pos, int_only, print, _, trans) =>
78b3ad7af5d5 eliminated unused name_of, source, source_of, print', print3, three_buffersN;
wenzelm
parents: 26602
diff changeset
   383
  (name, pos, int_only, print, true, trans));
17363
046c829c075f added three_buffersN, print3;
wenzelm
parents: 17321
diff changeset
   384
26621
78b3ad7af5d5 eliminated unused name_of, source, source_of, print', print3, three_buffersN;
wenzelm
parents: 26602
diff changeset
   385
fun add_trans tr = map_transition (fn (name, pos, int_only, print, no_timing, trans) =>
28451
0586b855c2b5 datatype transition: internal trans field is maintained in reverse order;
wenzelm
parents: 28446
diff changeset
   386
  (name, pos, int_only, print, no_timing, tr :: trans));
16607
81e687c63e29 added print': print depending on print_mode;
wenzelm
parents: 16490
diff changeset
   387
28433
b3dab95f098f begin_proof: avoid race condition wrt. skip_proofs flag;
wenzelm
parents: 28425
diff changeset
   388
val reset_trans = map_transition (fn (name, pos, int_only, print, no_timing, _) =>
b3dab95f098f begin_proof: avoid race condition wrt. skip_proofs flag;
wenzelm
parents: 28425
diff changeset
   389
  (name, pos, int_only, print, no_timing, []));
b3dab95f098f begin_proof: avoid race condition wrt. skip_proofs flag;
wenzelm
parents: 28425
diff changeset
   390
28453
06702e7acd1d excursion/unit_result: no print for forked end, finish into global theory, pick resul from presentation context;
wenzelm
parents: 28451
diff changeset
   391
fun set_print print = map_transition (fn (name, pos, int_only, _, no_timing, trans) =>
06702e7acd1d excursion/unit_result: no print for forked end, finish into global theory, pick resul from presentation context;
wenzelm
parents: 28451
diff changeset
   392
  (name, pos, int_only, print, no_timing, trans));
06702e7acd1d excursion/unit_result: no print for forked end, finish into global theory, pick resul from presentation context;
wenzelm
parents: 28451
diff changeset
   393
06702e7acd1d excursion/unit_result: no print for forked end, finish into global theory, pick resul from presentation context;
wenzelm
parents: 28451
diff changeset
   394
val print = set_print true;
5828
1feeadaad6a9 The Isabelle/Isar toplevel.
wenzelm
parents:
diff changeset
   395
1feeadaad6a9 The Isabelle/Isar toplevel.
wenzelm
parents:
diff changeset
   396
21007
1bbb31aaf98d renamed enter_forward_proof to enter_proof_body;
wenzelm
parents: 20985
diff changeset
   397
(* basic transitions *)
5828
1feeadaad6a9 The Isabelle/Isar toplevel.
wenzelm
parents:
diff changeset
   398
44187
88d770052bac simplified Toplevel.init_theory: discontinued special name argument;
wenzelm
parents: 44186
diff changeset
   399
fun init_theory f = add_trans (Init f);
37977
3ceccd415145 simplified/clarified theory loader: more explicit task management, kill old versions at start, commit results only in the very end, non-optional master dependency, do not store text in deps;
wenzelm
parents: 37953
diff changeset
   400
44187
88d770052bac simplified Toplevel.init_theory: discontinued special name argument;
wenzelm
parents: 44186
diff changeset
   401
fun is_init (Transition {trans = [Init _], ...}) = true
88d770052bac simplified Toplevel.init_theory: discontinued special name argument;
wenzelm
parents: 44186
diff changeset
   402
  | is_init _ = false;
88d770052bac simplified Toplevel.init_theory: discontinued special name argument;
wenzelm
parents: 44186
diff changeset
   403
88d770052bac simplified Toplevel.init_theory: discontinued special name argument;
wenzelm
parents: 44186
diff changeset
   404
fun modify_init f tr = if is_init tr then init_theory f (reset_trans tr) else tr;
37977
3ceccd415145 simplified/clarified theory loader: more explicit task management, kill old versions at start, commit results only in the very end, non-optional master dependency, do not store text in deps;
wenzelm
parents: 37953
diff changeset
   405
6689
wenzelm
parents: 6664
diff changeset
   406
val exit = add_trans Exit;
7612
ba11b5db431a added keep', theory';
wenzelm
parents: 7602
diff changeset
   407
val keep' = add_trans o Keep;
30366
e3d788b9dffb simplified presentation: built into transaction, pass state directly;
wenzelm
parents: 29516
diff changeset
   408
e3d788b9dffb simplified presentation: built into transaction, pass state directly;
wenzelm
parents: 29516
diff changeset
   409
fun present_transaction f g = add_trans (Transaction (f, g));
e3d788b9dffb simplified presentation: built into transaction, pass state directly;
wenzelm
parents: 29516
diff changeset
   410
fun transaction f = present_transaction f (K ());
5828
1feeadaad6a9 The Isabelle/Isar toplevel.
wenzelm
parents:
diff changeset
   411
7612
ba11b5db431a added keep', theory';
wenzelm
parents: 7602
diff changeset
   412
fun keep f = add_trans (Keep (fn _ => f));
5828
1feeadaad6a9 The Isabelle/Isar toplevel.
wenzelm
parents:
diff changeset
   413
fun imperative f = keep (fn _ => f ());
1feeadaad6a9 The Isabelle/Isar toplevel.
wenzelm
parents:
diff changeset
   414
27840
e9483ef084cc added ignored, malformed transitions;
wenzelm
parents: 27606
diff changeset
   415
fun ignored pos = empty |> name "<ignored>" |> position pos |> imperative I;
48772
e46cd0d26481 vacuous execution after first malformed command;
wenzelm
parents: 48633
diff changeset
   416
e46cd0d26481 vacuous execution after first malformed command;
wenzelm
parents: 48633
diff changeset
   417
val malformed_name = "<malformed>";
27840
e9483ef084cc added ignored, malformed transitions;
wenzelm
parents: 27606
diff changeset
   418
fun malformed pos msg =
48772
e46cd0d26481 vacuous execution after first malformed command;
wenzelm
parents: 48633
diff changeset
   419
  empty |> name malformed_name |> position pos |> imperative (fn () => error msg);
e46cd0d26481 vacuous execution after first malformed command;
wenzelm
parents: 48633
diff changeset
   420
fun is_malformed tr = name_of tr = malformed_name;
27840
e9483ef084cc added ignored, malformed transitions;
wenzelm
parents: 27606
diff changeset
   421
21007
1bbb31aaf98d renamed enter_forward_proof to enter_proof_body;
wenzelm
parents: 20985
diff changeset
   422
val unknown_theory = imperative (fn () => warning "Unknown theory context");
1bbb31aaf98d renamed enter_forward_proof to enter_proof_body;
wenzelm
parents: 20985
diff changeset
   423
val unknown_proof = imperative (fn () => warning "Unknown proof context");
1bbb31aaf98d renamed enter_forward_proof to enter_proof_body;
wenzelm
parents: 20985
diff changeset
   424
val unknown_context = imperative (fn () => warning "Unknown context");
15668
53c049a365cf improved exn_message;
wenzelm
parents: 15633
diff changeset
   425
21007
1bbb31aaf98d renamed enter_forward_proof to enter_proof_body;
wenzelm
parents: 20985
diff changeset
   426
1bbb31aaf98d renamed enter_forward_proof to enter_proof_body;
wenzelm
parents: 20985
diff changeset
   427
(* theory transitions *)
15668
53c049a365cf improved exn_message;
wenzelm
parents: 15633
diff changeset
   428
44304
7ee000ce5390 maintain recent future proofs at transaction boundaries;
wenzelm
parents: 44270
diff changeset
   429
val global_theory_group =
7ee000ce5390 maintain recent future proofs at transaction boundaries;
wenzelm
parents: 44270
diff changeset
   430
  Sign.new_group #>
7ee000ce5390 maintain recent future proofs at transaction boundaries;
wenzelm
parents: 44270
diff changeset
   431
  Global_Theory.begin_recent_proofs #> Theory.checkpoint;
7ee000ce5390 maintain recent future proofs at transaction boundaries;
wenzelm
parents: 44270
diff changeset
   432
7ee000ce5390 maintain recent future proofs at transaction boundaries;
wenzelm
parents: 44270
diff changeset
   433
val local_theory_group =
7ee000ce5390 maintain recent future proofs at transaction boundaries;
wenzelm
parents: 44270
diff changeset
   434
  Local_Theory.new_group #>
7ee000ce5390 maintain recent future proofs at transaction boundaries;
wenzelm
parents: 44270
diff changeset
   435
  Local_Theory.raw_theory (Global_Theory.begin_recent_proofs #> Theory.checkpoint);
7ee000ce5390 maintain recent future proofs at transaction boundaries;
wenzelm
parents: 44270
diff changeset
   436
27601
6683cdb94af8 simplified commit_exit: operate on previous node of final state, include warning here;
wenzelm
parents: 27583
diff changeset
   437
fun generic_theory f = transaction (fn _ =>
26491
c93ff30790fe added generic_theory transaction;
wenzelm
parents: 26293
diff changeset
   438
  (fn Theory (gthy, _) => Theory (f gthy, NONE)
c93ff30790fe added generic_theory transaction;
wenzelm
parents: 26293
diff changeset
   439
    | _ => raise UNDEF));
c93ff30790fe added generic_theory transaction;
wenzelm
parents: 26293
diff changeset
   440
27601
6683cdb94af8 simplified commit_exit: operate on previous node of final state, include warning here;
wenzelm
parents: 27583
diff changeset
   441
fun theory' f = transaction (fn int =>
33725
a8481da77270 implicit name space grouping for theory/local_theory transactions;
wenzelm
parents: 33671
diff changeset
   442
  (fn Theory (Context.Theory thy, _) =>
a8481da77270 implicit name space grouping for theory/local_theory transactions;
wenzelm
parents: 33671
diff changeset
   443
      let val thy' = thy
44304
7ee000ce5390 maintain recent future proofs at transaction boundaries;
wenzelm
parents: 44270
diff changeset
   444
        |> global_theory_group
33725
a8481da77270 implicit name space grouping for theory/local_theory transactions;
wenzelm
parents: 33671
diff changeset
   445
        |> f int
a8481da77270 implicit name space grouping for theory/local_theory transactions;
wenzelm
parents: 33671
diff changeset
   446
        |> Sign.reset_group;
a8481da77270 implicit name space grouping for theory/local_theory transactions;
wenzelm
parents: 33671
diff changeset
   447
      in Theory (Context.Theory thy', NONE) end
20963
a7fd8f05a2be added type global_theory -- theory or local_theory;
wenzelm
parents: 20928
diff changeset
   448
    | _ => raise UNDEF));
a7fd8f05a2be added type global_theory -- theory or local_theory;
wenzelm
parents: 20928
diff changeset
   449
a7fd8f05a2be added type global_theory -- theory or local_theory;
wenzelm
parents: 20928
diff changeset
   450
fun theory f = theory' (K f);
a7fd8f05a2be added type global_theory -- theory or local_theory;
wenzelm
parents: 20928
diff changeset
   451
27601
6683cdb94af8 simplified commit_exit: operate on previous node of final state, include warning here;
wenzelm
parents: 27583
diff changeset
   452
fun begin_local_theory begin f = transaction (fn _ =>
20963
a7fd8f05a2be added type global_theory -- theory or local_theory;
wenzelm
parents: 20928
diff changeset
   453
  (fn Theory (Context.Theory thy, _) =>
a7fd8f05a2be added type global_theory -- theory or local_theory;
wenzelm
parents: 20928
diff changeset
   454
        let
20985
de13e2a23c8e exit_local_theory: pass interactive flag;
wenzelm
parents: 20963
diff changeset
   455
          val lthy = f thy;
21294
5cd48242ef17 simplified local theory wrappers;
wenzelm
parents: 21277
diff changeset
   456
          val gthy = if begin then Context.Proof lthy else Context.Theory (loc_exit lthy);
5cd48242ef17 simplified local theory wrappers;
wenzelm
parents: 21277
diff changeset
   457
        in Theory (gthy, SOME lthy) end
20963
a7fd8f05a2be added type global_theory -- theory or local_theory;
wenzelm
parents: 20928
diff changeset
   458
    | _ => raise UNDEF));
17076
c7effdf2e2e2 state: body context;
wenzelm
parents: 16815
diff changeset
   459
27601
6683cdb94af8 simplified commit_exit: operate on previous node of final state, include warning here;
wenzelm
parents: 27583
diff changeset
   460
val end_local_theory = transaction (fn _ =>
21294
5cd48242ef17 simplified local theory wrappers;
wenzelm
parents: 21277
diff changeset
   461
  (fn Theory (Context.Proof lthy, _) => Theory (Context.Theory (loc_exit lthy), SOME lthy)
21007
1bbb31aaf98d renamed enter_forward_proof to enter_proof_body;
wenzelm
parents: 20985
diff changeset
   462
    | _ => raise UNDEF));
1bbb31aaf98d renamed enter_forward_proof to enter_proof_body;
wenzelm
parents: 20985
diff changeset
   463
47069
451fc10a81f3 more explicit Toplevel.open_target/close_target;
wenzelm
parents: 46959
diff changeset
   464
fun open_target f = transaction (fn _ =>
451fc10a81f3 more explicit Toplevel.open_target/close_target;
wenzelm
parents: 46959
diff changeset
   465
  (fn Theory (gthy, _) =>
451fc10a81f3 more explicit Toplevel.open_target/close_target;
wenzelm
parents: 46959
diff changeset
   466
        let val lthy = f gthy
451fc10a81f3 more explicit Toplevel.open_target/close_target;
wenzelm
parents: 46959
diff changeset
   467
        in Theory (Context.Proof lthy, SOME lthy) end
451fc10a81f3 more explicit Toplevel.open_target/close_target;
wenzelm
parents: 46959
diff changeset
   468
    | _ => raise UNDEF));
451fc10a81f3 more explicit Toplevel.open_target/close_target;
wenzelm
parents: 46959
diff changeset
   469
451fc10a81f3 more explicit Toplevel.open_target/close_target;
wenzelm
parents: 46959
diff changeset
   470
val close_target = transaction (fn _ =>
451fc10a81f3 more explicit Toplevel.open_target/close_target;
wenzelm
parents: 46959
diff changeset
   471
  (fn Theory (Context.Proof lthy, _) =>
451fc10a81f3 more explicit Toplevel.open_target/close_target;
wenzelm
parents: 46959
diff changeset
   472
        (case try Local_Theory.close_target lthy of
451fc10a81f3 more explicit Toplevel.open_target/close_target;
wenzelm
parents: 46959
diff changeset
   473
          SOME lthy' => Theory (Context.Proof lthy', SOME lthy)
451fc10a81f3 more explicit Toplevel.open_target/close_target;
wenzelm
parents: 46959
diff changeset
   474
        | NONE => raise UNDEF)
451fc10a81f3 more explicit Toplevel.open_target/close_target;
wenzelm
parents: 46959
diff changeset
   475
    | _ => raise UNDEF));
451fc10a81f3 more explicit Toplevel.open_target/close_target;
wenzelm
parents: 46959
diff changeset
   476
451fc10a81f3 more explicit Toplevel.open_target/close_target;
wenzelm
parents: 46959
diff changeset
   477
21007
1bbb31aaf98d renamed enter_forward_proof to enter_proof_body;
wenzelm
parents: 20985
diff changeset
   478
local
1bbb31aaf98d renamed enter_forward_proof to enter_proof_body;
wenzelm
parents: 20985
diff changeset
   479
30366
e3d788b9dffb simplified presentation: built into transaction, pass state directly;
wenzelm
parents: 29516
diff changeset
   480
fun local_theory_presentation loc f = present_transaction (fn int =>
21294
5cd48242ef17 simplified local theory wrappers;
wenzelm
parents: 21277
diff changeset
   481
  (fn Theory (gthy, _) =>
5cd48242ef17 simplified local theory wrappers;
wenzelm
parents: 21277
diff changeset
   482
        let
47274
feef9b0b6031 misc tuning and simplification;
wenzelm
parents: 47069
diff changeset
   483
          val (finish, lthy) = loc_begin loc gthy;
feef9b0b6031 misc tuning and simplification;
wenzelm
parents: 47069
diff changeset
   484
          val lthy' = lthy
44304
7ee000ce5390 maintain recent future proofs at transaction boundaries;
wenzelm
parents: 44270
diff changeset
   485
            |> local_theory_group
33725
a8481da77270 implicit name space grouping for theory/local_theory transactions;
wenzelm
parents: 33671
diff changeset
   486
            |> f int
a8481da77270 implicit name space grouping for theory/local_theory transactions;
wenzelm
parents: 33671
diff changeset
   487
            |> Local_Theory.reset_group;
21294
5cd48242ef17 simplified local theory wrappers;
wenzelm
parents: 21277
diff changeset
   488
        in Theory (finish lthy', SOME lthy') end
30366
e3d788b9dffb simplified presentation: built into transaction, pass state directly;
wenzelm
parents: 29516
diff changeset
   489
    | _ => raise UNDEF));
15668
53c049a365cf improved exn_message;
wenzelm
parents: 15633
diff changeset
   490
21007
1bbb31aaf98d renamed enter_forward_proof to enter_proof_body;
wenzelm
parents: 20985
diff changeset
   491
in
1bbb31aaf98d renamed enter_forward_proof to enter_proof_body;
wenzelm
parents: 20985
diff changeset
   492
30366
e3d788b9dffb simplified presentation: built into transaction, pass state directly;
wenzelm
parents: 29516
diff changeset
   493
fun local_theory' loc f = local_theory_presentation loc f (K ());
29380
a9ee3475abf4 added local_theory';
wenzelm
parents: 29343
diff changeset
   494
fun local_theory loc f = local_theory' loc (K f);
30366
e3d788b9dffb simplified presentation: built into transaction, pass state directly;
wenzelm
parents: 29516
diff changeset
   495
fun present_local_theory loc = local_theory_presentation loc (K I);
18955
fa71f2ddd2e8 added local_theory, with optional locale xname;
wenzelm
parents: 18811
diff changeset
   496
21007
1bbb31aaf98d renamed enter_forward_proof to enter_proof_body;
wenzelm
parents: 20985
diff changeset
   497
end;
1bbb31aaf98d renamed enter_forward_proof to enter_proof_body;
wenzelm
parents: 20985
diff changeset
   498
1bbb31aaf98d renamed enter_forward_proof to enter_proof_body;
wenzelm
parents: 20985
diff changeset
   499
1bbb31aaf98d renamed enter_forward_proof to enter_proof_body;
wenzelm
parents: 20985
diff changeset
   500
(* proof transitions *)
1bbb31aaf98d renamed enter_forward_proof to enter_proof_body;
wenzelm
parents: 20985
diff changeset
   501
27601
6683cdb94af8 simplified commit_exit: operate on previous node of final state, include warning here;
wenzelm
parents: 27583
diff changeset
   502
fun end_proof f = transaction (fn int =>
24795
6f5cb7885fd7 print_state_context: local theory context, not proof context;
wenzelm
parents: 24780
diff changeset
   503
  (fn Proof (prf, (finish, _)) =>
33390
5b499f36dd25 modernized structure Proof_Node;
wenzelm
parents: 33223
diff changeset
   504
        let val state = Proof_Node.current prf in
21007
1bbb31aaf98d renamed enter_forward_proof to enter_proof_body;
wenzelm
parents: 20985
diff changeset
   505
          if can (Proof.assert_bottom true) state then
1bbb31aaf98d renamed enter_forward_proof to enter_proof_body;
wenzelm
parents: 20985
diff changeset
   506
            let
1bbb31aaf98d renamed enter_forward_proof to enter_proof_body;
wenzelm
parents: 20985
diff changeset
   507
              val ctxt' = f int state;
1bbb31aaf98d renamed enter_forward_proof to enter_proof_body;
wenzelm
parents: 20985
diff changeset
   508
              val gthy' = finish ctxt';
1bbb31aaf98d renamed enter_forward_proof to enter_proof_body;
wenzelm
parents: 20985
diff changeset
   509
            in Theory (gthy', SOME ctxt') end
1bbb31aaf98d renamed enter_forward_proof to enter_proof_body;
wenzelm
parents: 20985
diff changeset
   510
          else raise UNDEF
1bbb31aaf98d renamed enter_forward_proof to enter_proof_body;
wenzelm
parents: 20985
diff changeset
   511
        end
27564
fc6d34e49e17 replaced obsolete ProofHistory by ProofNode (backtracking only);
wenzelm
parents: 27500
diff changeset
   512
    | SkipProof (0, (gthy, _)) => Theory (gthy, NONE)
21007
1bbb31aaf98d renamed enter_forward_proof to enter_proof_body;
wenzelm
parents: 20985
diff changeset
   513
    | _ => raise UNDEF));
1bbb31aaf98d renamed enter_forward_proof to enter_proof_body;
wenzelm
parents: 20985
diff changeset
   514
21294
5cd48242ef17 simplified local theory wrappers;
wenzelm
parents: 21277
diff changeset
   515
local
5cd48242ef17 simplified local theory wrappers;
wenzelm
parents: 21277
diff changeset
   516
47274
feef9b0b6031 misc tuning and simplification;
wenzelm
parents: 47069
diff changeset
   517
fun begin_proof init = transaction (fn int =>
21294
5cd48242ef17 simplified local theory wrappers;
wenzelm
parents: 21277
diff changeset
   518
  (fn Theory (gthy, _) =>
5cd48242ef17 simplified local theory wrappers;
wenzelm
parents: 21277
diff changeset
   519
    let
47274
feef9b0b6031 misc tuning and simplification;
wenzelm
parents: 47069
diff changeset
   520
      val (finish, prf) = init int gthy;
28433
b3dab95f098f begin_proof: avoid race condition wrt. skip_proofs flag;
wenzelm
parents: 28425
diff changeset
   521
      val skip = ! skip_proofs;
40960
9e54eb514a46 formal notepad without any result;
wenzelm
parents: 40132
diff changeset
   522
      val (is_goal, no_skip) =
9e54eb514a46 formal notepad without any result;
wenzelm
parents: 40132
diff changeset
   523
        (true, Proof.schematic_goal prf) handle ERROR _ => (false, true);
47274
feef9b0b6031 misc tuning and simplification;
wenzelm
parents: 47069
diff changeset
   524
      val _ =
feef9b0b6031 misc tuning and simplification;
wenzelm
parents: 47069
diff changeset
   525
        if is_goal andalso skip andalso no_skip then
feef9b0b6031 misc tuning and simplification;
wenzelm
parents: 47069
diff changeset
   526
          warning "Cannot skip proof of schematic goal statement"
feef9b0b6031 misc tuning and simplification;
wenzelm
parents: 47069
diff changeset
   527
        else ();
21294
5cd48242ef17 simplified local theory wrappers;
wenzelm
parents: 21277
diff changeset
   528
    in
40960
9e54eb514a46 formal notepad without any result;
wenzelm
parents: 40132
diff changeset
   529
      if skip andalso not no_skip then
47274
feef9b0b6031 misc tuning and simplification;
wenzelm
parents: 47069
diff changeset
   530
        SkipProof (0, (finish (Proof.global_skip_proof int prf), gthy))
feef9b0b6031 misc tuning and simplification;
wenzelm
parents: 47069
diff changeset
   531
      else Proof (Proof_Node.init prf, (finish, gthy))
21294
5cd48242ef17 simplified local theory wrappers;
wenzelm
parents: 21277
diff changeset
   532
    end
5cd48242ef17 simplified local theory wrappers;
wenzelm
parents: 21277
diff changeset
   533
  | _ => raise UNDEF));
5cd48242ef17 simplified local theory wrappers;
wenzelm
parents: 21277
diff changeset
   534
5cd48242ef17 simplified local theory wrappers;
wenzelm
parents: 21277
diff changeset
   535
in
5cd48242ef17 simplified local theory wrappers;
wenzelm
parents: 21277
diff changeset
   536
24780
47bb1e380d83 local_theory transactions: more careful treatment of context position;
wenzelm
parents: 24634
diff changeset
   537
fun local_theory_to_proof' loc f = begin_proof
47274
feef9b0b6031 misc tuning and simplification;
wenzelm
parents: 47069
diff changeset
   538
  (fn int => fn gthy =>
feef9b0b6031 misc tuning and simplification;
wenzelm
parents: 47069
diff changeset
   539
    let val (finish, lthy) = loc_begin loc gthy
feef9b0b6031 misc tuning and simplification;
wenzelm
parents: 47069
diff changeset
   540
    in (finish o Local_Theory.reset_group, f int (local_theory_group lthy)) end);
24780
47bb1e380d83 local_theory transactions: more careful treatment of context position;
wenzelm
parents: 24634
diff changeset
   541
24453
86cf57ddf8f6 Added local_theory_to_proof'
berghofe
parents: 24295
diff changeset
   542
fun local_theory_to_proof loc f = local_theory_to_proof' loc (K f);
21294
5cd48242ef17 simplified local theory wrappers;
wenzelm
parents: 21277
diff changeset
   543
5cd48242ef17 simplified local theory wrappers;
wenzelm
parents: 21277
diff changeset
   544
fun theory_to_proof f = begin_proof
47274
feef9b0b6031 misc tuning and simplification;
wenzelm
parents: 47069
diff changeset
   545
  (fn _ => fn gthy =>
feef9b0b6031 misc tuning and simplification;
wenzelm
parents: 47069
diff changeset
   546
    (Context.Theory o Sign.reset_group o Proof_Context.theory_of,
feef9b0b6031 misc tuning and simplification;
wenzelm
parents: 47069
diff changeset
   547
      (case gthy of Context.Theory thy => f (global_theory_group thy) | _ => raise UNDEF)));
21294
5cd48242ef17 simplified local theory wrappers;
wenzelm
parents: 21277
diff changeset
   548
5cd48242ef17 simplified local theory wrappers;
wenzelm
parents: 21277
diff changeset
   549
end;
5cd48242ef17 simplified local theory wrappers;
wenzelm
parents: 21277
diff changeset
   550
27601
6683cdb94af8 simplified commit_exit: operate on previous node of final state, include warning here;
wenzelm
parents: 27583
diff changeset
   551
val forget_proof = transaction (fn _ =>
21007
1bbb31aaf98d renamed enter_forward_proof to enter_proof_body;
wenzelm
parents: 20985
diff changeset
   552
  (fn Proof (_, (_, orig_gthy)) => Theory (orig_gthy, NONE)
1bbb31aaf98d renamed enter_forward_proof to enter_proof_body;
wenzelm
parents: 20985
diff changeset
   553
    | SkipProof (_, (_, orig_gthy)) => Theory (orig_gthy, NONE)
1bbb31aaf98d renamed enter_forward_proof to enter_proof_body;
wenzelm
parents: 20985
diff changeset
   554
    | _ => raise UNDEF));
1bbb31aaf98d renamed enter_forward_proof to enter_proof_body;
wenzelm
parents: 20985
diff changeset
   555
30366
e3d788b9dffb simplified presentation: built into transaction, pass state directly;
wenzelm
parents: 29516
diff changeset
   556
val present_proof = present_transaction (fn _ =>
33390
5b499f36dd25 modernized structure Proof_Node;
wenzelm
parents: 33223
diff changeset
   557
  (fn Proof (prf, x) => Proof (Proof_Node.apply I prf, x)
27564
fc6d34e49e17 replaced obsolete ProofHistory by ProofNode (backtracking only);
wenzelm
parents: 27500
diff changeset
   558
    | skip as SkipProof _ => skip
30366
e3d788b9dffb simplified presentation: built into transaction, pass state directly;
wenzelm
parents: 29516
diff changeset
   559
    | _ => raise UNDEF));
21177
e8228486aa03 removed checkpoint interface;
wenzelm
parents: 21007
diff changeset
   560
27601
6683cdb94af8 simplified commit_exit: operate on previous node of final state, include warning here;
wenzelm
parents: 27583
diff changeset
   561
fun proofs' f = transaction (fn int =>
33390
5b499f36dd25 modernized structure Proof_Node;
wenzelm
parents: 33223
diff changeset
   562
  (fn Proof (prf, x) => Proof (Proof_Node.applys (f int) prf, x)
27564
fc6d34e49e17 replaced obsolete ProofHistory by ProofNode (backtracking only);
wenzelm
parents: 27500
diff changeset
   563
    | skip as SkipProof _ => skip
16815
13d20ed9086c added print_state_hook;
wenzelm
parents: 16729
diff changeset
   564
    | _ => raise UNDEF));
15668
53c049a365cf improved exn_message;
wenzelm
parents: 15633
diff changeset
   565
17904
21c6894b5998 simplified interfaces proof/proof' etc.: perform ProofHistory.apply(s)/current internally;
wenzelm
parents: 17513
diff changeset
   566
fun proof' f = proofs' (Seq.single oo f);
21c6894b5998 simplified interfaces proof/proof' etc.: perform ProofHistory.apply(s)/current internally;
wenzelm
parents: 17513
diff changeset
   567
val proofs = proofs' o K;
6689
wenzelm
parents: 6664
diff changeset
   568
val proof = proof' o K;
16815
13d20ed9086c added print_state_hook;
wenzelm
parents: 16729
diff changeset
   569
27601
6683cdb94af8 simplified commit_exit: operate on previous node of final state, include warning here;
wenzelm
parents: 27583
diff changeset
   570
fun actual_proof f = transaction (fn _ =>
21007
1bbb31aaf98d renamed enter_forward_proof to enter_proof_body;
wenzelm
parents: 20985
diff changeset
   571
  (fn Proof (prf, x) => Proof (f prf, x)
20963
a7fd8f05a2be added type global_theory -- theory or local_theory;
wenzelm
parents: 20928
diff changeset
   572
    | _ => raise UNDEF));
16815
13d20ed9086c added print_state_hook;
wenzelm
parents: 16729
diff changeset
   573
27601
6683cdb94af8 simplified commit_exit: operate on previous node of final state, include warning here;
wenzelm
parents: 27583
diff changeset
   574
fun skip_proof f = transaction (fn _ =>
21007
1bbb31aaf98d renamed enter_forward_proof to enter_proof_body;
wenzelm
parents: 20985
diff changeset
   575
  (fn SkipProof (h, x) => SkipProof (f h, x)
18563
wenzelm
parents: 17904
diff changeset
   576
    | _ => raise UNDEF));
wenzelm
parents: 17904
diff changeset
   577
27601
6683cdb94af8 simplified commit_exit: operate on previous node of final state, include warning here;
wenzelm
parents: 27583
diff changeset
   578
fun skip_proof_to_theory pred = transaction (fn _ =>
27564
fc6d34e49e17 replaced obsolete ProofHistory by ProofNode (backtracking only);
wenzelm
parents: 27500
diff changeset
   579
  (fn SkipProof (d, (gthy, _)) => if pred d then Theory (gthy, NONE) else raise UNDEF
33725
a8481da77270 implicit name space grouping for theory/local_theory transactions;
wenzelm
parents: 33671
diff changeset
   580
    | _ => raise UNDEF));
5828
1feeadaad6a9 The Isabelle/Isar toplevel.
wenzelm
parents:
diff changeset
   581
1feeadaad6a9 The Isabelle/Isar toplevel.
wenzelm
parents:
diff changeset
   582
1feeadaad6a9 The Isabelle/Isar toplevel.
wenzelm
parents:
diff changeset
   583
1feeadaad6a9 The Isabelle/Isar toplevel.
wenzelm
parents:
diff changeset
   584
(** toplevel transactions **)
1feeadaad6a9 The Isabelle/Isar toplevel.
wenzelm
parents:
diff changeset
   585
27427
f6751d265cf6 added name_of;
wenzelm
parents: 26982
diff changeset
   586
(* identification *)
f6751d265cf6 added name_of;
wenzelm
parents: 26982
diff changeset
   587
f6751d265cf6 added name_of;
wenzelm
parents: 26982
diff changeset
   588
fun get_id (Transition {pos, ...}) = Position.get_id pos;
f6751d265cf6 added name_of;
wenzelm
parents: 26982
diff changeset
   589
fun put_id id (tr as Transition {pos, ...}) = position (Position.put_id id pos) tr;
f6751d265cf6 added name_of;
wenzelm
parents: 26982
diff changeset
   590
f6751d265cf6 added name_of;
wenzelm
parents: 26982
diff changeset
   591
25960
1f9956e0bd89 removed unused properties;
wenzelm
parents: 25847
diff changeset
   592
(* thread position *)
25799
7a204e0467f8 maintain thread transition properties;
wenzelm
parents: 25796
diff changeset
   593
25960
1f9956e0bd89 removed unused properties;
wenzelm
parents: 25847
diff changeset
   594
fun setmp_thread_position (Transition {pos, ...}) f x =
25819
e6feb08b7f4b replaced thread_properties by simplified version in position.ML;
wenzelm
parents: 25809
diff changeset
   595
  Position.setmp_thread_data pos f x;
25799
7a204e0467f8 maintain thread transition properties;
wenzelm
parents: 25796
diff changeset
   596
27606
82399f3a8ca8 support for command status;
wenzelm
parents: 27603
diff changeset
   597
fun status tr m =
43665
573d1272f36d tuned signature;
wenzelm
parents: 42360
diff changeset
   598
  setmp_thread_position tr (fn () => Output.status (Markup.markup_only m)) ();
27606
82399f3a8ca8 support for command status;
wenzelm
parents: 27603
diff changeset
   599
38876
ec7045139e70 Toplevel.run_command: more careful treatment of interrupts stemming from nested multi-exceptions etc.;
wenzelm
parents: 38875
diff changeset
   600
fun error_msg tr msg =
44270
3eaad39e520c more careful treatment of exception serial numbers, with propagation to message channel;
wenzelm
parents: 44200
diff changeset
   601
  setmp_thread_position tr (fn () => Output.error_msg' msg) ();
26602
5534b6a6b810 made purely value-oriented, moved global state to structure Isar (cf. isar.ML);
wenzelm
parents: 26491
diff changeset
   602
25799
7a204e0467f8 maintain thread transition properties;
wenzelm
parents: 25796
diff changeset
   603
28095
7eaf0813bdc3 added add_hook interface for post-transition hooks;
wenzelm
parents: 27859
diff changeset
   604
(* post-transition hooks *)
7eaf0813bdc3 added add_hook interface for post-transition hooks;
wenzelm
parents: 27859
diff changeset
   605
37905
wenzelm
parents: 37865
diff changeset
   606
local
wenzelm
parents: 37865
diff changeset
   607
  val hooks = Unsynchronized.ref ([]: (transition -> state -> state -> unit) list);
wenzelm
parents: 37865
diff changeset
   608
in
28095
7eaf0813bdc3 added add_hook interface for post-transition hooks;
wenzelm
parents: 27859
diff changeset
   609
32738
15bb09ca0378 explicit indication of Unsynchronized.ref;
wenzelm
parents: 32062
diff changeset
   610
fun add_hook f = CRITICAL (fn () => Unsynchronized.change hooks (cons f));
33223
d27956b4d3b4 non-critical atomic accesses;
wenzelm
parents: 32792
diff changeset
   611
fun get_hooks () = ! hooks;
28095
7eaf0813bdc3 added add_hook interface for post-transition hooks;
wenzelm
parents: 27859
diff changeset
   612
7eaf0813bdc3 added add_hook interface for post-transition hooks;
wenzelm
parents: 27859
diff changeset
   613
end;
7eaf0813bdc3 added add_hook interface for post-transition hooks;
wenzelm
parents: 27859
diff changeset
   614
7eaf0813bdc3 added add_hook interface for post-transition hooks;
wenzelm
parents: 27859
diff changeset
   615
5828
1feeadaad6a9 The Isabelle/Isar toplevel.
wenzelm
parents:
diff changeset
   616
(* apply transitions *)
1feeadaad6a9 The Isabelle/Isar toplevel.
wenzelm
parents:
diff changeset
   617
6664
f679ddd1ddd8 cleaned comments;
wenzelm
parents: 6244
diff changeset
   618
local
f679ddd1ddd8 cleaned comments;
wenzelm
parents: 6244
diff changeset
   619
32792
a08a2b962a09 eliminated dead code;
wenzelm
parents: 32738
diff changeset
   620
fun app int (tr as Transition {trans, print, no_timing, ...}) =
25819
e6feb08b7f4b replaced thread_properties by simplified version in position.ML;
wenzelm
parents: 25809
diff changeset
   621
  setmp_thread_position tr (fn state =>
25799
7a204e0467f8 maintain thread transition properties;
wenzelm
parents: 25796
diff changeset
   622
    let
7a204e0467f8 maintain thread transition properties;
wenzelm
parents: 25796
diff changeset
   623
      fun do_timing f x = (warning (command_msg "" tr); timeap f x);
7a204e0467f8 maintain thread transition properties;
wenzelm
parents: 25796
diff changeset
   624
      fun do_profiling f x = profile (! profiling) f x;
7a204e0467f8 maintain thread transition properties;
wenzelm
parents: 25796
diff changeset
   625
26256
3e7939e978c6 added exception CONTEXT, indicating context of another exception;
wenzelm
parents: 26081
diff changeset
   626
      val (result, status) =
37905
wenzelm
parents: 37865
diff changeset
   627
         state |>
wenzelm
parents: 37865
diff changeset
   628
          (apply_trans int trans
wenzelm
parents: 37865
diff changeset
   629
            |> (! profiling > 0 andalso not no_timing) ? do_profiling
wenzelm
parents: 37865
diff changeset
   630
            |> (! profiling > 0 orelse ! timing andalso not no_timing) ? do_timing);
26256
3e7939e978c6 added exception CONTEXT, indicating context of another exception;
wenzelm
parents: 26081
diff changeset
   631
26621
78b3ad7af5d5 eliminated unused name_of, source, source_of, print', print3, three_buffersN;
wenzelm
parents: 26602
diff changeset
   632
      val _ = if int andalso not (! quiet) andalso print then print_state false result else ();
26256
3e7939e978c6 added exception CONTEXT, indicating context of another exception;
wenzelm
parents: 26081
diff changeset
   633
    in (result, Option.map (fn UNDEF => type_error tr state | exn => exn) status) end);
6664
f679ddd1ddd8 cleaned comments;
wenzelm
parents: 6244
diff changeset
   634
f679ddd1ddd8 cleaned comments;
wenzelm
parents: 6244
diff changeset
   635
in
5828
1feeadaad6a9 The Isabelle/Isar toplevel.
wenzelm
parents:
diff changeset
   636
26602
5534b6a6b810 made purely value-oriented, moved global state to structure Isar (cf. isar.ML);
wenzelm
parents: 26491
diff changeset
   637
fun transition int tr st =
28095
7eaf0813bdc3 added add_hook interface for post-transition hooks;
wenzelm
parents: 27859
diff changeset
   638
  let
7eaf0813bdc3 added add_hook interface for post-transition hooks;
wenzelm
parents: 27859
diff changeset
   639
    val hooks = get_hooks ();
28103
b79e61861f0f simplified Toplevel.add_hook: cover successful transactions only;
wenzelm
parents: 28095
diff changeset
   640
    fun apply_hooks st' = hooks |> List.app (fn f => (try (fn () => f tr st st') (); ()));
28095
7eaf0813bdc3 added add_hook interface for post-transition hooks;
wenzelm
parents: 27859
diff changeset
   641
7eaf0813bdc3 added add_hook interface for post-transition hooks;
wenzelm
parents: 27859
diff changeset
   642
    val ctxt = try context_of st;
7eaf0813bdc3 added add_hook interface for post-transition hooks;
wenzelm
parents: 27859
diff changeset
   643
    val res =
7eaf0813bdc3 added add_hook interface for post-transition hooks;
wenzelm
parents: 27859
diff changeset
   644
      (case app int tr st of
38888
8248cda328de moved Toplevel.run_command to Pure/PIDE/document.ML;
wenzelm
parents: 38876
diff changeset
   645
        (_, SOME Runtime.TERMINATE) => NONE
8248cda328de moved Toplevel.run_command to Pure/PIDE/document.ML;
wenzelm
parents: 38876
diff changeset
   646
      | (st', SOME (Runtime.EXCURSION_FAIL exn_info)) => SOME (st', SOME exn_info)
31476
c5d2899b6de9 moved Isar toplevel runtime support to runtime.ML, which is loaded early (before ml_compiler.ML);
wenzelm
parents: 31431
diff changeset
   647
      | (st', SOME exn) => SOME (st', SOME (Runtime.exn_context ctxt exn, at_command tr))
28103
b79e61861f0f simplified Toplevel.add_hook: cover successful transactions only;
wenzelm
parents: 28095
diff changeset
   648
      | (st', NONE) => SOME (st', NONE));
b79e61861f0f simplified Toplevel.add_hook: cover successful transactions only;
wenzelm
parents: 28095
diff changeset
   649
    val _ = (case res of SOME (st', NONE) => apply_hooks st' | _ => ());
28095
7eaf0813bdc3 added add_hook interface for post-transition hooks;
wenzelm
parents: 27859
diff changeset
   650
  in res end;
6664
f679ddd1ddd8 cleaned comments;
wenzelm
parents: 6244
diff changeset
   651
f679ddd1ddd8 cleaned comments;
wenzelm
parents: 6244
diff changeset
   652
end;
5828
1feeadaad6a9 The Isabelle/Isar toplevel.
wenzelm
parents:
diff changeset
   653
1feeadaad6a9 The Isabelle/Isar toplevel.
wenzelm
parents:
diff changeset
   654
28425
25d6099179a6 export setmp_thread_position;
wenzelm
parents: 28394
diff changeset
   655
(* nested commands *)
5828
1feeadaad6a9 The Isabelle/Isar toplevel.
wenzelm
parents:
diff changeset
   656
28425
25d6099179a6 export setmp_thread_position;
wenzelm
parents: 28394
diff changeset
   657
fun command tr st =
27576
7afff36043e6 eliminated internal command history -- superceeded by global Isar state (cf. isar.ML);
wenzelm
parents: 27564
diff changeset
   658
  (case transition (! interact) tr st of
28425
25d6099179a6 export setmp_thread_position;
wenzelm
parents: 28394
diff changeset
   659
    SOME (st', NONE) => st'
39285
85728a4b5620 avoid extra wrapping for interrupts;
wenzelm
parents: 39237
diff changeset
   660
  | SOME (_, SOME (exn, info)) =>
85728a4b5620 avoid extra wrapping for interrupts;
wenzelm
parents: 39237
diff changeset
   661
      if Exn.is_interrupt exn then reraise exn else raise Runtime.EXCURSION_FAIL (exn, info)
38888
8248cda328de moved Toplevel.run_command to Pure/PIDE/document.ML;
wenzelm
parents: 38876
diff changeset
   662
  | NONE => raise Runtime.EXCURSION_FAIL (Runtime.TERMINATE, at_command tr));
27576
7afff36043e6 eliminated internal command history -- superceeded by global Isar state (cf. isar.ML);
wenzelm
parents: 27564
diff changeset
   663
29483
e959ae4a0bca added run_command (from isar_document.ML);
wenzelm
parents: 29448
diff changeset
   664
fun command_result tr st =
e959ae4a0bca added run_command (from isar_document.ML);
wenzelm
parents: 29448
diff changeset
   665
  let val st' = command tr st
47417
9679bab23f93 misc tuning and simplification;
wenzelm
parents: 47416
diff changeset
   666
  in ((tr, st'), st') end;
29483
e959ae4a0bca added run_command (from isar_document.ML);
wenzelm
parents: 29448
diff changeset
   667
28433
b3dab95f098f begin_proof: avoid race condition wrt. skip_proofs flag;
wenzelm
parents: 28425
diff changeset
   668
46959
cdc791910460 defer actual parsing of command spans and thus allow new commands to be used in the same theory where defined;
wenzelm
parents: 45666
diff changeset
   669
(* scheduled proof result *)
28433
b3dab95f098f begin_proof: avoid race condition wrt. skip_proofs flag;
wenzelm
parents: 28425
diff changeset
   670
47417
9679bab23f93 misc tuning and simplification;
wenzelm
parents: 47416
diff changeset
   671
structure Result = Proof_Data
28974
d6b190efa01a excursion: pass explicit proof states as result of future proof, replaced low-level Thm.join_futures by PureThy.force_proofs;
wenzelm
parents: 28645
diff changeset
   672
(
47417
9679bab23f93 misc tuning and simplification;
wenzelm
parents: 47416
diff changeset
   673
  type T = (transition * state) list future;
9679bab23f93 misc tuning and simplification;
wenzelm
parents: 47416
diff changeset
   674
  val empty: T = Future.value [];
9679bab23f93 misc tuning and simplification;
wenzelm
parents: 47416
diff changeset
   675
  fun init _ = empty;
28974
d6b190efa01a excursion: pass explicit proof states as result of future proof, replaced low-level Thm.join_futures by PureThy.force_proofs;
wenzelm
parents: 28645
diff changeset
   676
);
d6b190efa01a excursion: pass explicit proof states as result of future proof, replaced low-level Thm.join_futures by PureThy.force_proofs;
wenzelm
parents: 28645
diff changeset
   677
d6b190efa01a excursion: pass explicit proof states as result of future proof, replaced low-level Thm.join_futures by PureThy.force_proofs;
wenzelm
parents: 28645
diff changeset
   678
fun proof_result immediate (tr, proof_trs) st =
48633
7cd32f9d4293 recovered comination of Toplevel.skip_proofs and Goal.parallel_proofs from 9679bab23f93 (NB: skip_proofs leads to failure of Toplevel.proof_of);
wenzelm
parents: 47881
diff changeset
   679
  let val st' = command tr st in
7cd32f9d4293 recovered comination of Toplevel.skip_proofs and Goal.parallel_proofs from 9679bab23f93 (NB: skip_proofs leads to failure of Toplevel.proof_of);
wenzelm
parents: 47881
diff changeset
   680
    if immediate orelse null proof_trs orelse not (can proof_of st')
7cd32f9d4293 recovered comination of Toplevel.skip_proofs and Goal.parallel_proofs from 9679bab23f93 (NB: skip_proofs leads to failure of Toplevel.proof_of);
wenzelm
parents: 47881
diff changeset
   681
    then
7cd32f9d4293 recovered comination of Toplevel.skip_proofs and Goal.parallel_proofs from 9679bab23f93 (NB: skip_proofs leads to failure of Toplevel.proof_of);
wenzelm
parents: 47881
diff changeset
   682
      let val (results, st'') = fold_map command_result proof_trs st'
7cd32f9d4293 recovered comination of Toplevel.skip_proofs and Goal.parallel_proofs from 9679bab23f93 (NB: skip_proofs leads to failure of Toplevel.proof_of);
wenzelm
parents: 47881
diff changeset
   683
      in (Future.value ((tr, st') :: results), st'') end
7cd32f9d4293 recovered comination of Toplevel.skip_proofs and Goal.parallel_proofs from 9679bab23f93 (NB: skip_proofs leads to failure of Toplevel.proof_of);
wenzelm
parents: 47881
diff changeset
   684
    else
7cd32f9d4293 recovered comination of Toplevel.skip_proofs and Goal.parallel_proofs from 9679bab23f93 (NB: skip_proofs leads to failure of Toplevel.proof_of);
wenzelm
parents: 47881
diff changeset
   685
      let
7cd32f9d4293 recovered comination of Toplevel.skip_proofs and Goal.parallel_proofs from 9679bab23f93 (NB: skip_proofs leads to failure of Toplevel.proof_of);
wenzelm
parents: 47881
diff changeset
   686
        val (body_trs, end_tr) = split_last proof_trs;
7cd32f9d4293 recovered comination of Toplevel.skip_proofs and Goal.parallel_proofs from 9679bab23f93 (NB: skip_proofs leads to failure of Toplevel.proof_of);
wenzelm
parents: 47881
diff changeset
   687
        val finish = Context.Theory o Proof_Context.theory_of;
28974
d6b190efa01a excursion: pass explicit proof states as result of future proof, replaced low-level Thm.join_futures by PureThy.force_proofs;
wenzelm
parents: 28645
diff changeset
   688
48633
7cd32f9d4293 recovered comination of Toplevel.skip_proofs and Goal.parallel_proofs from 9679bab23f93 (NB: skip_proofs leads to failure of Toplevel.proof_of);
wenzelm
parents: 47881
diff changeset
   689
        val future_proof = Proof.global_future_proof
7cd32f9d4293 recovered comination of Toplevel.skip_proofs and Goal.parallel_proofs from 9679bab23f93 (NB: skip_proofs leads to failure of Toplevel.proof_of);
wenzelm
parents: 47881
diff changeset
   690
          (fn prf =>
7cd32f9d4293 recovered comination of Toplevel.skip_proofs and Goal.parallel_proofs from 9679bab23f93 (NB: skip_proofs leads to failure of Toplevel.proof_of);
wenzelm
parents: 47881
diff changeset
   691
            Goal.fork_name "Toplevel.future_proof"
7cd32f9d4293 recovered comination of Toplevel.skip_proofs and Goal.parallel_proofs from 9679bab23f93 (NB: skip_proofs leads to failure of Toplevel.proof_of);
wenzelm
parents: 47881
diff changeset
   692
              (fn () =>
7cd32f9d4293 recovered comination of Toplevel.skip_proofs and Goal.parallel_proofs from 9679bab23f93 (NB: skip_proofs leads to failure of Toplevel.proof_of);
wenzelm
parents: 47881
diff changeset
   693
                let val (result, result_state) =
7cd32f9d4293 recovered comination of Toplevel.skip_proofs and Goal.parallel_proofs from 9679bab23f93 (NB: skip_proofs leads to failure of Toplevel.proof_of);
wenzelm
parents: 47881
diff changeset
   694
                  (case st' of State (SOME (Proof (_, (_, orig_gthy))), prev)
7cd32f9d4293 recovered comination of Toplevel.skip_proofs and Goal.parallel_proofs from 9679bab23f93 (NB: skip_proofs leads to failure of Toplevel.proof_of);
wenzelm
parents: 47881
diff changeset
   695
                    => State (SOME (Proof (Proof_Node.init prf, (finish, orig_gthy))), prev))
7cd32f9d4293 recovered comination of Toplevel.skip_proofs and Goal.parallel_proofs from 9679bab23f93 (NB: skip_proofs leads to failure of Toplevel.proof_of);
wenzelm
parents: 47881
diff changeset
   696
                  |> fold_map command_result body_trs ||> command end_tr;
7cd32f9d4293 recovered comination of Toplevel.skip_proofs and Goal.parallel_proofs from 9679bab23f93 (NB: skip_proofs leads to failure of Toplevel.proof_of);
wenzelm
parents: 47881
diff changeset
   697
                in (result, presentation_context_of result_state) end))
7cd32f9d4293 recovered comination of Toplevel.skip_proofs and Goal.parallel_proofs from 9679bab23f93 (NB: skip_proofs leads to failure of Toplevel.proof_of);
wenzelm
parents: 47881
diff changeset
   698
          #-> Result.put;
28974
d6b190efa01a excursion: pass explicit proof states as result of future proof, replaced low-level Thm.join_futures by PureThy.force_proofs;
wenzelm
parents: 28645
diff changeset
   699
48633
7cd32f9d4293 recovered comination of Toplevel.skip_proofs and Goal.parallel_proofs from 9679bab23f93 (NB: skip_proofs leads to failure of Toplevel.proof_of);
wenzelm
parents: 47881
diff changeset
   700
        val st'' = st'
7cd32f9d4293 recovered comination of Toplevel.skip_proofs and Goal.parallel_proofs from 9679bab23f93 (NB: skip_proofs leads to failure of Toplevel.proof_of);
wenzelm
parents: 47881
diff changeset
   701
          |> command (tr |> set_print false |> reset_trans |> end_proof (K future_proof));
7cd32f9d4293 recovered comination of Toplevel.skip_proofs and Goal.parallel_proofs from 9679bab23f93 (NB: skip_proofs leads to failure of Toplevel.proof_of);
wenzelm
parents: 47881
diff changeset
   702
        val result =
7cd32f9d4293 recovered comination of Toplevel.skip_proofs and Goal.parallel_proofs from 9679bab23f93 (NB: skip_proofs leads to failure of Toplevel.proof_of);
wenzelm
parents: 47881
diff changeset
   703
          Result.get (presentation_context_of st'')
7cd32f9d4293 recovered comination of Toplevel.skip_proofs and Goal.parallel_proofs from 9679bab23f93 (NB: skip_proofs leads to failure of Toplevel.proof_of);
wenzelm
parents: 47881
diff changeset
   704
          |> Future.map (fn body => (tr, st') :: body @ [(end_tr, st'')]);
28974
d6b190efa01a excursion: pass explicit proof states as result of future proof, replaced low-level Thm.join_futures by PureThy.force_proofs;
wenzelm
parents: 28645
diff changeset
   705
48633
7cd32f9d4293 recovered comination of Toplevel.skip_proofs and Goal.parallel_proofs from 9679bab23f93 (NB: skip_proofs leads to failure of Toplevel.proof_of);
wenzelm
parents: 47881
diff changeset
   706
      in (result, st'') end
7cd32f9d4293 recovered comination of Toplevel.skip_proofs and Goal.parallel_proofs from 9679bab23f93 (NB: skip_proofs leads to failure of Toplevel.proof_of);
wenzelm
parents: 47881
diff changeset
   707
  end;
28433
b3dab95f098f begin_proof: avoid race condition wrt. skip_proofs flag;
wenzelm
parents: 28425
diff changeset
   708
6664
f679ddd1ddd8 cleaned comments;
wenzelm
parents: 6244
diff changeset
   709
end;