src/Pure/PIDE/command.ML
author wenzelm
Fri, 05 Jul 2013 17:09:28 +0200
changeset 52533 a95440dcd59c
parent 52532 c81d76f7f63d
child 52534 341ae9cd4743
permissions -rw-r--r--
clarified type Command.eval;
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
47336
bed4b2738d8a separate module for prover command execution;
wenzelm
parents:
diff changeset
     1
(*  Title:      Pure/PIDE/command.ML
bed4b2738d8a separate module for prover command execution;
wenzelm
parents:
diff changeset
     2
    Author:     Makarius
bed4b2738d8a separate module for prover command execution;
wenzelm
parents:
diff changeset
     3
bed4b2738d8a separate module for prover command execution;
wenzelm
parents:
diff changeset
     4
Prover command execution.
bed4b2738d8a separate module for prover command execution;
wenzelm
parents:
diff changeset
     5
*)
bed4b2738d8a separate module for prover command execution;
wenzelm
parents:
diff changeset
     6
bed4b2738d8a separate module for prover command execution;
wenzelm
parents:
diff changeset
     7
signature COMMAND =
bed4b2738d8a separate module for prover command execution;
wenzelm
parents:
diff changeset
     8
sig
52509
2193d2c7f586 tuned signature;
wenzelm
parents: 51605
diff changeset
     9
  type span = Token.T list
2193d2c7f586 tuned signature;
wenzelm
parents: 51605
diff changeset
    10
  val range: span -> Position.range
2193d2c7f586 tuned signature;
wenzelm
parents: 51605
diff changeset
    11
  val proper_range: span -> Position.range
47341
00f6279bb67a Command.memo including physical interrupts (unlike Lazy.lazy);
wenzelm
parents: 47336
diff changeset
    12
  type 'a memo
00f6279bb67a Command.memo including physical interrupts (unlike Lazy.lazy);
wenzelm
parents: 47336
diff changeset
    13
  val memo: (unit -> 'a) -> 'a memo
00f6279bb67a Command.memo including physical interrupts (unlike Lazy.lazy);
wenzelm
parents: 47336
diff changeset
    14
  val memo_value: 'a -> 'a memo
47342
7828c7b3c143 more explicit memo_eval vs. memo_result, to enforce bottom-up execution;
wenzelm
parents: 47341
diff changeset
    15
  val memo_eval: 'a memo -> 'a
52526
d234cb6b60e3 more Command.memo operations;
wenzelm
parents: 52516
diff changeset
    16
  val memo_fork: Future.params -> 'a memo -> unit
47342
7828c7b3c143 more explicit memo_eval vs. memo_result, to enforce bottom-up execution;
wenzelm
parents: 47341
diff changeset
    17
  val memo_result: 'a memo -> 'a
52526
d234cb6b60e3 more Command.memo operations;
wenzelm
parents: 52516
diff changeset
    18
  val memo_stable: 'a memo -> bool
52510
a4a102237ded tuned signature;
wenzelm
parents: 52509
diff changeset
    19
  val read: span -> Toplevel.transition
52526
d234cb6b60e3 more Command.memo operations;
wenzelm
parents: 52516
diff changeset
    20
  type eval_state =
d234cb6b60e3 more Command.memo operations;
wenzelm
parents: 52516
diff changeset
    21
    {failed: bool, malformed: bool, command: Toplevel.transition, state: Toplevel.state}
52533
a95440dcd59c clarified type Command.eval;
wenzelm
parents: 52532
diff changeset
    22
  type eval = {exec_id: Document_ID.exec, eval: eval_state memo}
52526
d234cb6b60e3 more Command.memo operations;
wenzelm
parents: 52516
diff changeset
    23
  val no_eval: eval
52533
a95440dcd59c clarified type Command.eval;
wenzelm
parents: 52532
diff changeset
    24
  val eval_result: eval -> eval_state
52526
d234cb6b60e3 more Command.memo operations;
wenzelm
parents: 52516
diff changeset
    25
  val eval: span -> Toplevel.transition -> eval_state -> eval_state
d234cb6b60e3 more Command.memo operations;
wenzelm
parents: 52516
diff changeset
    26
  type print_fn = Toplevel.transition -> Toplevel.state -> unit
52530
99dd8b4ef3fe explicit module Document_ID as source of globally unique identifiers across ML/Scala;
wenzelm
parents: 52527
diff changeset
    27
  type print = {name: string, pri: int, exec_id: Document_ID.exec, print: unit memo}
99dd8b4ef3fe explicit module Document_ID as source of globally unique identifiers across ML/Scala;
wenzelm
parents: 52527
diff changeset
    28
  val print: string -> eval -> print list
52526
d234cb6b60e3 more Command.memo operations;
wenzelm
parents: 52516
diff changeset
    29
  val print_function: {name: string, pri: int} -> (string -> print_fn option) -> unit
52533
a95440dcd59c clarified type Command.eval;
wenzelm
parents: 52532
diff changeset
    30
  type exec = eval * print list
52532
c81d76f7f63d tuned signature;
wenzelm
parents: 52530
diff changeset
    31
  val no_exec: exec
c81d76f7f63d tuned signature;
wenzelm
parents: 52530
diff changeset
    32
  val exec_ids: exec -> Document_ID.exec list
c81d76f7f63d tuned signature;
wenzelm
parents: 52530
diff changeset
    33
  val exec_result: exec -> eval_state
c81d76f7f63d tuned signature;
wenzelm
parents: 52530
diff changeset
    34
  val exec_run: exec -> unit
52533
a95440dcd59c clarified type Command.eval;
wenzelm
parents: 52532
diff changeset
    35
  val stable_eval: eval -> bool
52532
c81d76f7f63d tuned signature;
wenzelm
parents: 52530
diff changeset
    36
  val stable_print: print -> bool
47336
bed4b2738d8a separate module for prover command execution;
wenzelm
parents:
diff changeset
    37
end;
bed4b2738d8a separate module for prover command execution;
wenzelm
parents:
diff changeset
    38
bed4b2738d8a separate module for prover command execution;
wenzelm
parents:
diff changeset
    39
structure Command: COMMAND =
bed4b2738d8a separate module for prover command execution;
wenzelm
parents:
diff changeset
    40
struct
bed4b2738d8a separate module for prover command execution;
wenzelm
parents:
diff changeset
    41
52509
2193d2c7f586 tuned signature;
wenzelm
parents: 51605
diff changeset
    42
(* source *)
2193d2c7f586 tuned signature;
wenzelm
parents: 51605
diff changeset
    43
2193d2c7f586 tuned signature;
wenzelm
parents: 51605
diff changeset
    44
type span = Token.T list;
48771
2ea997196d04 clarified Command.range vs. Command.proper_range according to Scala version, which is potentially relevant for command status markup;
wenzelm
parents: 47395
diff changeset
    45
49866
619acbd72664 more proof method text position information;
wenzelm
parents: 49036
diff changeset
    46
val range = Token.position_range_of;
51266
3007d0bc9cb1 unified Command.is_proper in ML with Scala (see also 123be08eed88);
wenzelm
parents: 50914
diff changeset
    47
val proper_range = Token.position_range_of o #1 o take_suffix Token.is_improper;
48771
2ea997196d04 clarified Command.range vs. Command.proper_range according to Scala version, which is potentially relevant for command status markup;
wenzelm
parents: 47395
diff changeset
    48
2ea997196d04 clarified Command.range vs. Command.proper_range according to Scala version, which is potentially relevant for command status markup;
wenzelm
parents: 47395
diff changeset
    49
47341
00f6279bb67a Command.memo including physical interrupts (unlike Lazy.lazy);
wenzelm
parents: 47336
diff changeset
    50
(* memo results *)
00f6279bb67a Command.memo including physical interrupts (unlike Lazy.lazy);
wenzelm
parents: 47336
diff changeset
    51
00f6279bb67a Command.memo including physical interrupts (unlike Lazy.lazy);
wenzelm
parents: 47336
diff changeset
    52
datatype 'a expr =
00f6279bb67a Command.memo including physical interrupts (unlike Lazy.lazy);
wenzelm
parents: 47336
diff changeset
    53
  Expr of unit -> 'a |
00f6279bb67a Command.memo including physical interrupts (unlike Lazy.lazy);
wenzelm
parents: 47336
diff changeset
    54
  Result of 'a Exn.result;
00f6279bb67a Command.memo including physical interrupts (unlike Lazy.lazy);
wenzelm
parents: 47336
diff changeset
    55
00f6279bb67a Command.memo including physical interrupts (unlike Lazy.lazy);
wenzelm
parents: 47336
diff changeset
    56
abstype 'a memo = Memo of 'a expr Synchronized.var
00f6279bb67a Command.memo including physical interrupts (unlike Lazy.lazy);
wenzelm
parents: 47336
diff changeset
    57
with
00f6279bb67a Command.memo including physical interrupts (unlike Lazy.lazy);
wenzelm
parents: 47336
diff changeset
    58
00f6279bb67a Command.memo including physical interrupts (unlike Lazy.lazy);
wenzelm
parents: 47336
diff changeset
    59
fun memo e = Memo (Synchronized.var "Command.memo" (Expr e));
00f6279bb67a Command.memo including physical interrupts (unlike Lazy.lazy);
wenzelm
parents: 47336
diff changeset
    60
fun memo_value a = Memo (Synchronized.var "Command.memo" (Result (Exn.Res a)));
00f6279bb67a Command.memo including physical interrupts (unlike Lazy.lazy);
wenzelm
parents: 47336
diff changeset
    61
47342
7828c7b3c143 more explicit memo_eval vs. memo_result, to enforce bottom-up execution;
wenzelm
parents: 47341
diff changeset
    62
fun memo_eval (Memo v) =
47341
00f6279bb67a Command.memo including physical interrupts (unlike Lazy.lazy);
wenzelm
parents: 47336
diff changeset
    63
  (case Synchronized.value v of
00f6279bb67a Command.memo including physical interrupts (unlike Lazy.lazy);
wenzelm
parents: 47336
diff changeset
    64
    Result res => res
00f6279bb67a Command.memo including physical interrupts (unlike Lazy.lazy);
wenzelm
parents: 47336
diff changeset
    65
  | _ =>
00f6279bb67a Command.memo including physical interrupts (unlike Lazy.lazy);
wenzelm
parents: 47336
diff changeset
    66
      Synchronized.guarded_access v
00f6279bb67a Command.memo including physical interrupts (unlike Lazy.lazy);
wenzelm
parents: 47336
diff changeset
    67
        (fn Result res => SOME (res, Result res)
00f6279bb67a Command.memo including physical interrupts (unlike Lazy.lazy);
wenzelm
parents: 47336
diff changeset
    68
          | Expr e =>
00f6279bb67a Command.memo including physical interrupts (unlike Lazy.lazy);
wenzelm
parents: 47336
diff changeset
    69
              let val res = Exn.capture e ();  (*memoing of physical interrupts!*)
47342
7828c7b3c143 more explicit memo_eval vs. memo_result, to enforce bottom-up execution;
wenzelm
parents: 47341
diff changeset
    70
              in SOME (res, Result res) end))
7828c7b3c143 more explicit memo_eval vs. memo_result, to enforce bottom-up execution;
wenzelm
parents: 47341
diff changeset
    71
  |> Exn.release;
7828c7b3c143 more explicit memo_eval vs. memo_result, to enforce bottom-up execution;
wenzelm
parents: 47341
diff changeset
    72
52526
d234cb6b60e3 more Command.memo operations;
wenzelm
parents: 52516
diff changeset
    73
fun memo_fork params (Memo v) =
d234cb6b60e3 more Command.memo operations;
wenzelm
parents: 52516
diff changeset
    74
  (case Synchronized.value v of
d234cb6b60e3 more Command.memo operations;
wenzelm
parents: 52516
diff changeset
    75
    Result _ => ()
d234cb6b60e3 more Command.memo operations;
wenzelm
parents: 52516
diff changeset
    76
  | _ => ignore ((singleton o Future.forks) params (fn () => memo_eval (Memo v))));
d234cb6b60e3 more Command.memo operations;
wenzelm
parents: 52516
diff changeset
    77
47342
7828c7b3c143 more explicit memo_eval vs. memo_result, to enforce bottom-up execution;
wenzelm
parents: 47341
diff changeset
    78
fun memo_result (Memo v) =
7828c7b3c143 more explicit memo_eval vs. memo_result, to enforce bottom-up execution;
wenzelm
parents: 47341
diff changeset
    79
  (case Synchronized.value v of
7828c7b3c143 more explicit memo_eval vs. memo_result, to enforce bottom-up execution;
wenzelm
parents: 47341
diff changeset
    80
    Result res => Exn.release res
7828c7b3c143 more explicit memo_eval vs. memo_result, to enforce bottom-up execution;
wenzelm
parents: 47341
diff changeset
    81
  | _ => raise Fail "Unfinished memo result");
47341
00f6279bb67a Command.memo including physical interrupts (unlike Lazy.lazy);
wenzelm
parents: 47336
diff changeset
    82
52526
d234cb6b60e3 more Command.memo operations;
wenzelm
parents: 52516
diff changeset
    83
fun memo_stable (Memo v) =
d234cb6b60e3 more Command.memo operations;
wenzelm
parents: 52516
diff changeset
    84
  (case Synchronized.value v of
d234cb6b60e3 more Command.memo operations;
wenzelm
parents: 52516
diff changeset
    85
    Expr _ => true
d234cb6b60e3 more Command.memo operations;
wenzelm
parents: 52516
diff changeset
    86
  | Result res => not (Exn.is_interrupt_exn res));
d234cb6b60e3 more Command.memo operations;
wenzelm
parents: 52516
diff changeset
    87
47341
00f6279bb67a Command.memo including physical interrupts (unlike Lazy.lazy);
wenzelm
parents: 47336
diff changeset
    88
end;
00f6279bb67a Command.memo including physical interrupts (unlike Lazy.lazy);
wenzelm
parents: 47336
diff changeset
    89
00f6279bb67a Command.memo including physical interrupts (unlike Lazy.lazy);
wenzelm
parents: 47336
diff changeset
    90
52532
c81d76f7f63d tuned signature;
wenzelm
parents: 52530
diff changeset
    91
(** main phases: read -- eval -- print **)
c81d76f7f63d tuned signature;
wenzelm
parents: 52530
diff changeset
    92
52510
a4a102237ded tuned signature;
wenzelm
parents: 52509
diff changeset
    93
(* read *)
52509
2193d2c7f586 tuned signature;
wenzelm
parents: 51605
diff changeset
    94
52510
a4a102237ded tuned signature;
wenzelm
parents: 52509
diff changeset
    95
fun read span =
a4a102237ded tuned signature;
wenzelm
parents: 52509
diff changeset
    96
  let
a4a102237ded tuned signature;
wenzelm
parents: 52509
diff changeset
    97
    val outer_syntax = #2 (Outer_Syntax.get_syntax ());
a4a102237ded tuned signature;
wenzelm
parents: 52509
diff changeset
    98
    val command_reports = Outer_Syntax.command_reports outer_syntax;
52509
2193d2c7f586 tuned signature;
wenzelm
parents: 51605
diff changeset
    99
52510
a4a102237ded tuned signature;
wenzelm
parents: 52509
diff changeset
   100
    val proper_range = Position.set_range (proper_range span);
a4a102237ded tuned signature;
wenzelm
parents: 52509
diff changeset
   101
    val pos =
a4a102237ded tuned signature;
wenzelm
parents: 52509
diff changeset
   102
      (case find_first Token.is_command span of
a4a102237ded tuned signature;
wenzelm
parents: 52509
diff changeset
   103
        SOME tok => Token.position_of tok
a4a102237ded tuned signature;
wenzelm
parents: 52509
diff changeset
   104
      | NONE => proper_range);
52509
2193d2c7f586 tuned signature;
wenzelm
parents: 51605
diff changeset
   105
52510
a4a102237ded tuned signature;
wenzelm
parents: 52509
diff changeset
   106
    val (is_malformed, token_reports) = Thy_Syntax.reports_of_tokens span;
a4a102237ded tuned signature;
wenzelm
parents: 52509
diff changeset
   107
    val _ = Position.reports_text (token_reports @ maps command_reports span);
a4a102237ded tuned signature;
wenzelm
parents: 52509
diff changeset
   108
  in
a4a102237ded tuned signature;
wenzelm
parents: 52509
diff changeset
   109
    if is_malformed then Toplevel.malformed pos "Malformed command syntax"
a4a102237ded tuned signature;
wenzelm
parents: 52509
diff changeset
   110
    else
a4a102237ded tuned signature;
wenzelm
parents: 52509
diff changeset
   111
      (case Outer_Syntax.read_spans outer_syntax span of
a4a102237ded tuned signature;
wenzelm
parents: 52509
diff changeset
   112
        [tr] =>
a4a102237ded tuned signature;
wenzelm
parents: 52509
diff changeset
   113
          if Keyword.is_control (Toplevel.name_of tr) then
a4a102237ded tuned signature;
wenzelm
parents: 52509
diff changeset
   114
            Toplevel.malformed pos "Illegal control command"
a4a102237ded tuned signature;
wenzelm
parents: 52509
diff changeset
   115
          else tr
a4a102237ded tuned signature;
wenzelm
parents: 52509
diff changeset
   116
      | [] => Toplevel.ignored (Position.set_range (range span))
a4a102237ded tuned signature;
wenzelm
parents: 52509
diff changeset
   117
      | _ => Toplevel.malformed proper_range "Exactly one command expected")
a4a102237ded tuned signature;
wenzelm
parents: 52509
diff changeset
   118
      handle ERROR msg => Toplevel.malformed proper_range msg
a4a102237ded tuned signature;
wenzelm
parents: 52509
diff changeset
   119
  end;
52509
2193d2c7f586 tuned signature;
wenzelm
parents: 51605
diff changeset
   120
2193d2c7f586 tuned signature;
wenzelm
parents: 51605
diff changeset
   121
2193d2c7f586 tuned signature;
wenzelm
parents: 51605
diff changeset
   122
(* eval *)
47336
bed4b2738d8a separate module for prover command execution;
wenzelm
parents:
diff changeset
   123
52526
d234cb6b60e3 more Command.memo operations;
wenzelm
parents: 52516
diff changeset
   124
type eval_state =
d234cb6b60e3 more Command.memo operations;
wenzelm
parents: 52516
diff changeset
   125
  {failed: bool, malformed: bool, command: Toplevel.transition, state: Toplevel.state};
d234cb6b60e3 more Command.memo operations;
wenzelm
parents: 52516
diff changeset
   126
val no_eval_state: eval_state =
d234cb6b60e3 more Command.memo operations;
wenzelm
parents: 52516
diff changeset
   127
  {failed = false, malformed = false, command = Toplevel.empty, state = Toplevel.toplevel};
d234cb6b60e3 more Command.memo operations;
wenzelm
parents: 52516
diff changeset
   128
52533
a95440dcd59c clarified type Command.eval;
wenzelm
parents: 52532
diff changeset
   129
type eval = {exec_id: Document_ID.exec, eval: eval_state memo};
a95440dcd59c clarified type Command.eval;
wenzelm
parents: 52532
diff changeset
   130
a95440dcd59c clarified type Command.eval;
wenzelm
parents: 52532
diff changeset
   131
val no_eval: eval = {exec_id = Document_ID.none, eval = memo_value no_eval_state};
a95440dcd59c clarified type Command.eval;
wenzelm
parents: 52532
diff changeset
   132
fun eval_result ({eval, ...}: eval) = memo_result eval;
52526
d234cb6b60e3 more Command.memo operations;
wenzelm
parents: 52516
diff changeset
   133
47336
bed4b2738d8a separate module for prover command execution;
wenzelm
parents:
diff changeset
   134
local
bed4b2738d8a separate module for prover command execution;
wenzelm
parents:
diff changeset
   135
bed4b2738d8a separate module for prover command execution;
wenzelm
parents:
diff changeset
   136
fun run int tr st =
51284
59a03019f3bf fork diagnostic commands (theory loader and PIDE interaction);
wenzelm
parents: 51266
diff changeset
   137
  if Goal.future_enabled () andalso Keyword.is_diag (Toplevel.name_of tr) then
51605
eca8acb42e4a more explicit Goal.fork_params -- avoid implicit arguments via thread data;
wenzelm
parents: 51603
diff changeset
   138
    (Goal.fork_params {name = "Toplevel.diag", pos = Toplevel.pos_of tr, pri = ~1}
eca8acb42e4a more explicit Goal.fork_params -- avoid implicit arguments via thread data;
wenzelm
parents: 51603
diff changeset
   139
      (fn () => Toplevel.command_exception int tr st); ([], SOME st))
51284
59a03019f3bf fork diagnostic commands (theory loader and PIDE interaction);
wenzelm
parents: 51266
diff changeset
   140
  else Toplevel.command_errors int tr st;
47336
bed4b2738d8a separate module for prover command execution;
wenzelm
parents:
diff changeset
   141
52510
a4a102237ded tuned signature;
wenzelm
parents: 52509
diff changeset
   142
fun check_cmts span tr st' =
a4a102237ded tuned signature;
wenzelm
parents: 52509
diff changeset
   143
  Toplevel.setmp_thread_position tr
a4a102237ded tuned signature;
wenzelm
parents: 52509
diff changeset
   144
    (fn () =>
a4a102237ded tuned signature;
wenzelm
parents: 52509
diff changeset
   145
      Outer_Syntax.side_comments span |> maps (fn cmt =>
a4a102237ded tuned signature;
wenzelm
parents: 52509
diff changeset
   146
        (Thy_Output.check_text (Token.source_position_of cmt) st'; [])
a4a102237ded tuned signature;
wenzelm
parents: 52509
diff changeset
   147
          handle exn => ML_Compiler.exn_messages_ids exn)) ();
a4a102237ded tuned signature;
wenzelm
parents: 52509
diff changeset
   148
47336
bed4b2738d8a separate module for prover command execution;
wenzelm
parents:
diff changeset
   149
fun proof_status tr st =
bed4b2738d8a separate module for prover command execution;
wenzelm
parents:
diff changeset
   150
  (case try Toplevel.proof_of st of
bed4b2738d8a separate module for prover command execution;
wenzelm
parents:
diff changeset
   151
    SOME prf => Toplevel.status tr (Proof.status_markup prf)
bed4b2738d8a separate module for prover command execution;
wenzelm
parents:
diff changeset
   152
  | NONE => ());
bed4b2738d8a separate module for prover command execution;
wenzelm
parents:
diff changeset
   153
bed4b2738d8a separate module for prover command execution;
wenzelm
parents:
diff changeset
   154
in
bed4b2738d8a separate module for prover command execution;
wenzelm
parents:
diff changeset
   155
52526
d234cb6b60e3 more Command.memo operations;
wenzelm
parents: 52516
diff changeset
   156
fun eval span tr ({malformed, state = st, ...}: eval_state) =
52509
2193d2c7f586 tuned signature;
wenzelm
parents: 51605
diff changeset
   157
  if malformed then
52526
d234cb6b60e3 more Command.memo operations;
wenzelm
parents: 52516
diff changeset
   158
    {failed = true, malformed = malformed, command = tr, state = Toplevel.toplevel}
48772
e46cd0d26481 vacuous execution after first malformed command;
wenzelm
parents: 48771
diff changeset
   159
  else
e46cd0d26481 vacuous execution after first malformed command;
wenzelm
parents: 48771
diff changeset
   160
    let
e46cd0d26481 vacuous execution after first malformed command;
wenzelm
parents: 48771
diff changeset
   161
      val malformed' = Toplevel.is_malformed tr;
e46cd0d26481 vacuous execution after first malformed command;
wenzelm
parents: 48771
diff changeset
   162
      val is_init = Toplevel.is_init tr;
e46cd0d26481 vacuous execution after first malformed command;
wenzelm
parents: 48771
diff changeset
   163
      val is_proof = Keyword.is_proof (Toplevel.name_of tr);
47336
bed4b2738d8a separate module for prover command execution;
wenzelm
parents:
diff changeset
   164
48772
e46cd0d26481 vacuous execution after first malformed command;
wenzelm
parents: 48771
diff changeset
   165
      val _ = Multithreading.interrupted ();
50201
c26369c9eda6 Isabelle-specific implementation of quasi-abstract markup elements -- back to module arrangement before d83797ef0d2d;
wenzelm
parents: 49866
diff changeset
   166
      val _ = Toplevel.status tr Markup.running;
48918
6e5fd4585512 check side-comments of command spans (normally filtered out in Outer_Syntax.toplevel_source);
wenzelm
parents: 48772
diff changeset
   167
      val (errs1, result) = run (is_init orelse is_proof) (Toplevel.set_print false tr) st;
52509
2193d2c7f586 tuned signature;
wenzelm
parents: 51605
diff changeset
   168
      val errs2 = (case result of NONE => [] | SOME st' => check_cmts span tr st');
48918
6e5fd4585512 check side-comments of command spans (normally filtered out in Outer_Syntax.toplevel_source);
wenzelm
parents: 48772
diff changeset
   169
      val errs = errs1 @ errs2;
50201
c26369c9eda6 Isabelle-specific implementation of quasi-abstract markup elements -- back to module arrangement before d83797ef0d2d;
wenzelm
parents: 49866
diff changeset
   170
      val _ = Toplevel.status tr Markup.finished;
50914
fe4714886d92 identify future results more carefully, to avoid odd duplication of error messages, notably from forked goals;
wenzelm
parents: 50911
diff changeset
   171
      val _ = List.app (Future.error_msg (Toplevel.pos_of tr)) errs;
48772
e46cd0d26481 vacuous execution after first malformed command;
wenzelm
parents: 48771
diff changeset
   172
    in
e46cd0d26481 vacuous execution after first malformed command;
wenzelm
parents: 48771
diff changeset
   173
      (case result of
e46cd0d26481 vacuous execution after first malformed command;
wenzelm
parents: 48771
diff changeset
   174
        NONE =>
e46cd0d26481 vacuous execution after first malformed command;
wenzelm
parents: 48771
diff changeset
   175
          let
e46cd0d26481 vacuous execution after first malformed command;
wenzelm
parents: 48771
diff changeset
   176
            val _ = if null errs then Exn.interrupt () else ();
50201
c26369c9eda6 Isabelle-specific implementation of quasi-abstract markup elements -- back to module arrangement before d83797ef0d2d;
wenzelm
parents: 49866
diff changeset
   177
            val _ = Toplevel.status tr Markup.failed;
52526
d234cb6b60e3 more Command.memo operations;
wenzelm
parents: 52516
diff changeset
   178
          in {failed = true, malformed = malformed', command = tr, state = st} end
48772
e46cd0d26481 vacuous execution after first malformed command;
wenzelm
parents: 48771
diff changeset
   179
      | SOME st' =>
e46cd0d26481 vacuous execution after first malformed command;
wenzelm
parents: 48771
diff changeset
   180
          let
e46cd0d26481 vacuous execution after first malformed command;
wenzelm
parents: 48771
diff changeset
   181
            val _ = proof_status tr st';
52526
d234cb6b60e3 more Command.memo operations;
wenzelm
parents: 52516
diff changeset
   182
          in {failed = false, malformed = malformed', command = tr, state = st'} end)
48772
e46cd0d26481 vacuous execution after first malformed command;
wenzelm
parents: 48771
diff changeset
   183
    end;
47336
bed4b2738d8a separate module for prover command execution;
wenzelm
parents:
diff changeset
   184
bed4b2738d8a separate module for prover command execution;
wenzelm
parents:
diff changeset
   185
end;
bed4b2738d8a separate module for prover command execution;
wenzelm
parents:
diff changeset
   186
52509
2193d2c7f586 tuned signature;
wenzelm
parents: 51605
diff changeset
   187
2193d2c7f586 tuned signature;
wenzelm
parents: 51605
diff changeset
   188
(* print *)
2193d2c7f586 tuned signature;
wenzelm
parents: 51605
diff changeset
   189
52530
99dd8b4ef3fe explicit module Document_ID as source of globally unique identifiers across ML/Scala;
wenzelm
parents: 52527
diff changeset
   190
type print = {name: string, pri: int, exec_id: Document_ID.exec, print: unit memo};
52526
d234cb6b60e3 more Command.memo operations;
wenzelm
parents: 52516
diff changeset
   191
type print_fn = Toplevel.transition -> Toplevel.state -> unit;
52515
0dcadc90550b more print function parameters;
wenzelm
parents: 52511
diff changeset
   192
52511
d5d2093ff224 allow multiple print functions;
wenzelm
parents: 52510
diff changeset
   193
local
d5d2093ff224 allow multiple print functions;
wenzelm
parents: 52510
diff changeset
   194
52526
d234cb6b60e3 more Command.memo operations;
wenzelm
parents: 52516
diff changeset
   195
type print_function = string * (int * (string -> print_fn option));
d234cb6b60e3 more Command.memo operations;
wenzelm
parents: 52516
diff changeset
   196
val print_functions = Synchronized.var "Command.print_functions" ([]: print_function list);
52511
d5d2093ff224 allow multiple print functions;
wenzelm
parents: 52510
diff changeset
   197
52516
b5b3c888df9f more exception handling -- make print functions total;
wenzelm
parents: 52515
diff changeset
   198
fun output_error tr exn =
b5b3c888df9f more exception handling -- make print functions total;
wenzelm
parents: 52515
diff changeset
   199
  List.app (Future.error_msg (Toplevel.pos_of tr)) (ML_Compiler.exn_messages_ids exn);
b5b3c888df9f more exception handling -- make print functions total;
wenzelm
parents: 52515
diff changeset
   200
b5b3c888df9f more exception handling -- make print functions total;
wenzelm
parents: 52515
diff changeset
   201
fun print_error tr f x =
b5b3c888df9f more exception handling -- make print functions total;
wenzelm
parents: 52515
diff changeset
   202
  (Toplevel.setmp_thread_position tr o Runtime.controlled_execution) f x
b5b3c888df9f more exception handling -- make print functions total;
wenzelm
parents: 52515
diff changeset
   203
    handle exn => output_error tr exn;
b5b3c888df9f more exception handling -- make print functions total;
wenzelm
parents: 52515
diff changeset
   204
52511
d5d2093ff224 allow multiple print functions;
wenzelm
parents: 52510
diff changeset
   205
in
52509
2193d2c7f586 tuned signature;
wenzelm
parents: 51605
diff changeset
   206
52530
99dd8b4ef3fe explicit module Document_ID as source of globally unique identifiers across ML/Scala;
wenzelm
parents: 52527
diff changeset
   207
fun print command_name eval =
52526
d234cb6b60e3 more Command.memo operations;
wenzelm
parents: 52516
diff changeset
   208
  rev (Synchronized.value print_functions) |> map_filter (fn (name, (pri, get_print_fn)) =>
d234cb6b60e3 more Command.memo operations;
wenzelm
parents: 52516
diff changeset
   209
    (case Exn.capture (Runtime.controlled_execution get_print_fn) command_name of
52516
b5b3c888df9f more exception handling -- make print functions total;
wenzelm
parents: 52515
diff changeset
   210
      Exn.Res NONE => NONE
52526
d234cb6b60e3 more Command.memo operations;
wenzelm
parents: 52516
diff changeset
   211
    | Exn.Res (SOME print_fn) =>
52527
dbac84eab3bc separate exec_id assignment for Command.print states, without affecting result of eval;
wenzelm
parents: 52526
diff changeset
   212
        let
52530
99dd8b4ef3fe explicit module Document_ID as source of globally unique identifiers across ML/Scala;
wenzelm
parents: 52527
diff changeset
   213
          val exec_id = Document_ID.make ();
52527
dbac84eab3bc separate exec_id assignment for Command.print states, without affecting result of eval;
wenzelm
parents: 52526
diff changeset
   214
          fun body () =
dbac84eab3bc separate exec_id assignment for Command.print states, without affecting result of eval;
wenzelm
parents: 52526
diff changeset
   215
            let
52533
a95440dcd59c clarified type Command.eval;
wenzelm
parents: 52532
diff changeset
   216
              val {failed, command, state = st', ...} = eval_result eval;
52527
dbac84eab3bc separate exec_id assignment for Command.print states, without affecting result of eval;
wenzelm
parents: 52526
diff changeset
   217
              val tr = Toplevel.put_id exec_id command;
dbac84eab3bc separate exec_id assignment for Command.print states, without affecting result of eval;
wenzelm
parents: 52526
diff changeset
   218
            in if failed then () else print_error tr (fn () => print_fn tr st') () end;
dbac84eab3bc separate exec_id assignment for Command.print states, without affecting result of eval;
wenzelm
parents: 52526
diff changeset
   219
        in SOME {name = name, pri = pri, exec_id = exec_id, print = memo body} end
52526
d234cb6b60e3 more Command.memo operations;
wenzelm
parents: 52516
diff changeset
   220
    | Exn.Exn exn =>
52527
dbac84eab3bc separate exec_id assignment for Command.print states, without affecting result of eval;
wenzelm
parents: 52526
diff changeset
   221
        let
52530
99dd8b4ef3fe explicit module Document_ID as source of globally unique identifiers across ML/Scala;
wenzelm
parents: 52527
diff changeset
   222
          val exec_id = Document_ID.make ();
52527
dbac84eab3bc separate exec_id assignment for Command.print states, without affecting result of eval;
wenzelm
parents: 52526
diff changeset
   223
          fun body () =
dbac84eab3bc separate exec_id assignment for Command.print states, without affecting result of eval;
wenzelm
parents: 52526
diff changeset
   224
            let
52533
a95440dcd59c clarified type Command.eval;
wenzelm
parents: 52532
diff changeset
   225
              val {command, ...} = eval_result eval;
52527
dbac84eab3bc separate exec_id assignment for Command.print states, without affecting result of eval;
wenzelm
parents: 52526
diff changeset
   226
              val tr = Toplevel.put_id exec_id command;
dbac84eab3bc separate exec_id assignment for Command.print states, without affecting result of eval;
wenzelm
parents: 52526
diff changeset
   227
            in output_error tr exn end;
dbac84eab3bc separate exec_id assignment for Command.print states, without affecting result of eval;
wenzelm
parents: 52526
diff changeset
   228
        in SOME {name = name, pri = pri, exec_id = exec_id, print = memo body} end));
52511
d5d2093ff224 allow multiple print functions;
wenzelm
parents: 52510
diff changeset
   229
52526
d234cb6b60e3 more Command.memo operations;
wenzelm
parents: 52516
diff changeset
   230
fun print_function {name, pri} f =
52511
d5d2093ff224 allow multiple print functions;
wenzelm
parents: 52510
diff changeset
   231
  Synchronized.change print_functions (fn funs =>
d5d2093ff224 allow multiple print functions;
wenzelm
parents: 52510
diff changeset
   232
   (if not (AList.defined (op =) funs name) then ()
d5d2093ff224 allow multiple print functions;
wenzelm
parents: 52510
diff changeset
   233
    else warning ("Redefining command print function: " ^ quote name);
52515
0dcadc90550b more print function parameters;
wenzelm
parents: 52511
diff changeset
   234
    AList.update (op =) (name, (pri, f)) funs));
52511
d5d2093ff224 allow multiple print functions;
wenzelm
parents: 52510
diff changeset
   235
d5d2093ff224 allow multiple print functions;
wenzelm
parents: 52510
diff changeset
   236
end;
d5d2093ff224 allow multiple print functions;
wenzelm
parents: 52510
diff changeset
   237
52526
d234cb6b60e3 more Command.memo operations;
wenzelm
parents: 52516
diff changeset
   238
val _ =
d234cb6b60e3 more Command.memo operations;
wenzelm
parents: 52516
diff changeset
   239
  print_function {name = "print_state", pri = 0} (fn command_name => SOME (fn tr => fn st' =>
d234cb6b60e3 more Command.memo operations;
wenzelm
parents: 52516
diff changeset
   240
    let
d234cb6b60e3 more Command.memo operations;
wenzelm
parents: 52516
diff changeset
   241
      val is_init = Keyword.is_theory_begin command_name;
d234cb6b60e3 more Command.memo operations;
wenzelm
parents: 52516
diff changeset
   242
      val is_proof = Keyword.is_proof command_name;
d234cb6b60e3 more Command.memo operations;
wenzelm
parents: 52516
diff changeset
   243
      val do_print =
d234cb6b60e3 more Command.memo operations;
wenzelm
parents: 52516
diff changeset
   244
        not is_init andalso
d234cb6b60e3 more Command.memo operations;
wenzelm
parents: 52516
diff changeset
   245
          (Toplevel.print_of tr orelse (is_proof andalso Toplevel.is_proof st'));
d234cb6b60e3 more Command.memo operations;
wenzelm
parents: 52516
diff changeset
   246
    in if do_print then Toplevel.print_state false st' else () end));
52509
2193d2c7f586 tuned signature;
wenzelm
parents: 51605
diff changeset
   247
52532
c81d76f7f63d tuned signature;
wenzelm
parents: 52530
diff changeset
   248
c81d76f7f63d tuned signature;
wenzelm
parents: 52530
diff changeset
   249
52533
a95440dcd59c clarified type Command.eval;
wenzelm
parents: 52532
diff changeset
   250
(** managed evaluation **)
52532
c81d76f7f63d tuned signature;
wenzelm
parents: 52530
diff changeset
   251
c81d76f7f63d tuned signature;
wenzelm
parents: 52530
diff changeset
   252
(* execution *)
c81d76f7f63d tuned signature;
wenzelm
parents: 52530
diff changeset
   253
52533
a95440dcd59c clarified type Command.eval;
wenzelm
parents: 52532
diff changeset
   254
type exec = eval * print list;
a95440dcd59c clarified type Command.eval;
wenzelm
parents: 52532
diff changeset
   255
val no_exec: exec = (no_eval, []);
52532
c81d76f7f63d tuned signature;
wenzelm
parents: 52530
diff changeset
   256
52533
a95440dcd59c clarified type Command.eval;
wenzelm
parents: 52532
diff changeset
   257
fun exec_ids (({exec_id, ...}, prints): exec) = exec_id :: map #exec_id prints;
52532
c81d76f7f63d tuned signature;
wenzelm
parents: 52530
diff changeset
   258
52533
a95440dcd59c clarified type Command.eval;
wenzelm
parents: 52532
diff changeset
   259
fun exec_result (({eval, ...}, _): exec) = memo_result eval;
52532
c81d76f7f63d tuned signature;
wenzelm
parents: 52530
diff changeset
   260
52533
a95440dcd59c clarified type Command.eval;
wenzelm
parents: 52532
diff changeset
   261
fun exec_run (({eval, ...}, prints): exec) =
52532
c81d76f7f63d tuned signature;
wenzelm
parents: 52530
diff changeset
   262
 (memo_eval eval;
c81d76f7f63d tuned signature;
wenzelm
parents: 52530
diff changeset
   263
  prints |> List.app (fn {name, pri, print, ...} =>
c81d76f7f63d tuned signature;
wenzelm
parents: 52530
diff changeset
   264
    memo_fork {name = name, group = NONE, deps = [], pri = pri, interrupts = true} print));
c81d76f7f63d tuned signature;
wenzelm
parents: 52530
diff changeset
   265
c81d76f7f63d tuned signature;
wenzelm
parents: 52530
diff changeset
   266
52533
a95440dcd59c clarified type Command.eval;
wenzelm
parents: 52532
diff changeset
   267
(* stable situations after cancellation *)
52532
c81d76f7f63d tuned signature;
wenzelm
parents: 52530
diff changeset
   268
c81d76f7f63d tuned signature;
wenzelm
parents: 52530
diff changeset
   269
fun stable_goals exec_id =
c81d76f7f63d tuned signature;
wenzelm
parents: 52530
diff changeset
   270
  not (Par_Exn.is_interrupted (Future.join_results (Goal.peek_futures exec_id)));
c81d76f7f63d tuned signature;
wenzelm
parents: 52530
diff changeset
   271
52533
a95440dcd59c clarified type Command.eval;
wenzelm
parents: 52532
diff changeset
   272
fun stable_eval ({exec_id, eval}: eval) =
52532
c81d76f7f63d tuned signature;
wenzelm
parents: 52530
diff changeset
   273
  stable_goals exec_id andalso memo_stable eval;
c81d76f7f63d tuned signature;
wenzelm
parents: 52530
diff changeset
   274
c81d76f7f63d tuned signature;
wenzelm
parents: 52530
diff changeset
   275
fun stable_print ({exec_id, print, ...}: print) =
c81d76f7f63d tuned signature;
wenzelm
parents: 52530
diff changeset
   276
  stable_goals exec_id andalso memo_stable print;
c81d76f7f63d tuned signature;
wenzelm
parents: 52530
diff changeset
   277
47336
bed4b2738d8a separate module for prover command execution;
wenzelm
parents:
diff changeset
   278
end;
bed4b2738d8a separate module for prover command execution;
wenzelm
parents:
diff changeset
   279