src/Pure/PIDE/command.ML
author wenzelm
Fri, 05 Jul 2013 18:37:44 +0200
changeset 52534 341ae9cd4743
parent 52533 a95440dcd59c
child 52535 b7badd371e4d
permissions -rw-r--r--
tuned signature; tuned;
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
52534
341ae9cd4743 tuned signature;
wenzelm
parents: 52533
diff changeset
     4
Prover command execution: read -- eval -- print.
47336
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
52534
341ae9cd4743 tuned signature;
wenzelm
parents: 52533
diff changeset
     9
  type span
341ae9cd4743 tuned signature;
wenzelm
parents: 52533
diff changeset
    10
  type eval_process
341ae9cd4743 tuned signature;
wenzelm
parents: 52533
diff changeset
    11
  type eval = {exec_id: Document_ID.exec, eval_process: eval_process}
341ae9cd4743 tuned signature;
wenzelm
parents: 52533
diff changeset
    12
  type print_process
341ae9cd4743 tuned signature;
wenzelm
parents: 52533
diff changeset
    13
  type print = {name: string, pri: int, exec_id: Document_ID.exec, print_process: print_process}
341ae9cd4743 tuned signature;
wenzelm
parents: 52533
diff changeset
    14
  type exec = eval * print list
341ae9cd4743 tuned signature;
wenzelm
parents: 52533
diff changeset
    15
  val read: (unit -> theory) -> span -> Toplevel.transition
52526
d234cb6b60e3 more Command.memo operations;
wenzelm
parents: 52516
diff changeset
    16
  val no_eval: eval
52534
341ae9cd4743 tuned signature;
wenzelm
parents: 52533
diff changeset
    17
  val eval_result_state: eval -> Toplevel.state
341ae9cd4743 tuned signature;
wenzelm
parents: 52533
diff changeset
    18
  val eval: (unit -> theory) -> span -> eval -> eval
341ae9cd4743 tuned signature;
wenzelm
parents: 52533
diff changeset
    19
  val print: string -> eval -> print list
52526
d234cb6b60e3 more Command.memo operations;
wenzelm
parents: 52516
diff changeset
    20
  type print_fn = Toplevel.transition -> Toplevel.state -> unit
d234cb6b60e3 more Command.memo operations;
wenzelm
parents: 52516
diff changeset
    21
  val print_function: {name: string, pri: int} -> (string -> print_fn option) -> unit
52532
c81d76f7f63d tuned signature;
wenzelm
parents: 52530
diff changeset
    22
  val no_exec: exec
c81d76f7f63d tuned signature;
wenzelm
parents: 52530
diff changeset
    23
  val exec_ids: exec -> Document_ID.exec list
c81d76f7f63d tuned signature;
wenzelm
parents: 52530
diff changeset
    24
  val exec_run: exec -> unit
52533
a95440dcd59c clarified type Command.eval;
wenzelm
parents: 52532
diff changeset
    25
  val stable_eval: eval -> bool
52532
c81d76f7f63d tuned signature;
wenzelm
parents: 52530
diff changeset
    26
  val stable_print: print -> bool
47336
bed4b2738d8a separate module for prover command execution;
wenzelm
parents:
diff changeset
    27
end;
bed4b2738d8a separate module for prover command execution;
wenzelm
parents:
diff changeset
    28
bed4b2738d8a separate module for prover command execution;
wenzelm
parents:
diff changeset
    29
structure Command: COMMAND =
bed4b2738d8a separate module for prover command execution;
wenzelm
parents:
diff changeset
    30
struct
bed4b2738d8a separate module for prover command execution;
wenzelm
parents:
diff changeset
    31
52534
341ae9cd4743 tuned signature;
wenzelm
parents: 52533
diff changeset
    32
(** memo results -- including physical interrupts! **)
47341
00f6279bb67a Command.memo including physical interrupts (unlike Lazy.lazy);
wenzelm
parents: 47336
diff changeset
    33
00f6279bb67a Command.memo including physical interrupts (unlike Lazy.lazy);
wenzelm
parents: 47336
diff changeset
    34
datatype 'a expr =
00f6279bb67a Command.memo including physical interrupts (unlike Lazy.lazy);
wenzelm
parents: 47336
diff changeset
    35
  Expr of unit -> 'a |
00f6279bb67a Command.memo including physical interrupts (unlike Lazy.lazy);
wenzelm
parents: 47336
diff changeset
    36
  Result of 'a Exn.result;
00f6279bb67a Command.memo including physical interrupts (unlike Lazy.lazy);
wenzelm
parents: 47336
diff changeset
    37
00f6279bb67a Command.memo including physical interrupts (unlike Lazy.lazy);
wenzelm
parents: 47336
diff changeset
    38
abstype 'a memo = Memo of 'a expr Synchronized.var
00f6279bb67a Command.memo including physical interrupts (unlike Lazy.lazy);
wenzelm
parents: 47336
diff changeset
    39
with
00f6279bb67a Command.memo including physical interrupts (unlike Lazy.lazy);
wenzelm
parents: 47336
diff changeset
    40
00f6279bb67a Command.memo including physical interrupts (unlike Lazy.lazy);
wenzelm
parents: 47336
diff changeset
    41
fun memo e = Memo (Synchronized.var "Command.memo" (Expr e));
00f6279bb67a Command.memo including physical interrupts (unlike Lazy.lazy);
wenzelm
parents: 47336
diff changeset
    42
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
    43
47342
7828c7b3c143 more explicit memo_eval vs. memo_result, to enforce bottom-up execution;
wenzelm
parents: 47341
diff changeset
    44
fun memo_eval (Memo v) =
47341
00f6279bb67a Command.memo including physical interrupts (unlike Lazy.lazy);
wenzelm
parents: 47336
diff changeset
    45
  (case Synchronized.value v of
00f6279bb67a Command.memo including physical interrupts (unlike Lazy.lazy);
wenzelm
parents: 47336
diff changeset
    46
    Result res => res
00f6279bb67a Command.memo including physical interrupts (unlike Lazy.lazy);
wenzelm
parents: 47336
diff changeset
    47
  | _ =>
00f6279bb67a Command.memo including physical interrupts (unlike Lazy.lazy);
wenzelm
parents: 47336
diff changeset
    48
      Synchronized.guarded_access v
00f6279bb67a Command.memo including physical interrupts (unlike Lazy.lazy);
wenzelm
parents: 47336
diff changeset
    49
        (fn Result res => SOME (res, Result res)
00f6279bb67a Command.memo including physical interrupts (unlike Lazy.lazy);
wenzelm
parents: 47336
diff changeset
    50
          | Expr e =>
52534
341ae9cd4743 tuned signature;
wenzelm
parents: 52533
diff changeset
    51
              let val res = Exn.capture e ();  (*sic!*)
47342
7828c7b3c143 more explicit memo_eval vs. memo_result, to enforce bottom-up execution;
wenzelm
parents: 47341
diff changeset
    52
              in SOME (res, Result res) end))
7828c7b3c143 more explicit memo_eval vs. memo_result, to enforce bottom-up execution;
wenzelm
parents: 47341
diff changeset
    53
  |> Exn.release;
7828c7b3c143 more explicit memo_eval vs. memo_result, to enforce bottom-up execution;
wenzelm
parents: 47341
diff changeset
    54
52526
d234cb6b60e3 more Command.memo operations;
wenzelm
parents: 52516
diff changeset
    55
fun memo_fork params (Memo v) =
d234cb6b60e3 more Command.memo operations;
wenzelm
parents: 52516
diff changeset
    56
  (case Synchronized.value v of
d234cb6b60e3 more Command.memo operations;
wenzelm
parents: 52516
diff changeset
    57
    Result _ => ()
d234cb6b60e3 more Command.memo operations;
wenzelm
parents: 52516
diff changeset
    58
  | _ => ignore ((singleton o Future.forks) params (fn () => memo_eval (Memo v))));
d234cb6b60e3 more Command.memo operations;
wenzelm
parents: 52516
diff changeset
    59
47342
7828c7b3c143 more explicit memo_eval vs. memo_result, to enforce bottom-up execution;
wenzelm
parents: 47341
diff changeset
    60
fun memo_result (Memo v) =
7828c7b3c143 more explicit memo_eval vs. memo_result, to enforce bottom-up execution;
wenzelm
parents: 47341
diff changeset
    61
  (case Synchronized.value v of
7828c7b3c143 more explicit memo_eval vs. memo_result, to enforce bottom-up execution;
wenzelm
parents: 47341
diff changeset
    62
    Result res => Exn.release res
7828c7b3c143 more explicit memo_eval vs. memo_result, to enforce bottom-up execution;
wenzelm
parents: 47341
diff changeset
    63
  | _ => raise Fail "Unfinished memo result");
47341
00f6279bb67a Command.memo including physical interrupts (unlike Lazy.lazy);
wenzelm
parents: 47336
diff changeset
    64
52526
d234cb6b60e3 more Command.memo operations;
wenzelm
parents: 52516
diff changeset
    65
fun memo_stable (Memo v) =
d234cb6b60e3 more Command.memo operations;
wenzelm
parents: 52516
diff changeset
    66
  (case Synchronized.value v of
d234cb6b60e3 more Command.memo operations;
wenzelm
parents: 52516
diff changeset
    67
    Expr _ => true
d234cb6b60e3 more Command.memo operations;
wenzelm
parents: 52516
diff changeset
    68
  | Result res => not (Exn.is_interrupt_exn res));
d234cb6b60e3 more Command.memo operations;
wenzelm
parents: 52516
diff changeset
    69
47341
00f6279bb67a Command.memo including physical interrupts (unlike Lazy.lazy);
wenzelm
parents: 47336
diff changeset
    70
end;
00f6279bb67a Command.memo including physical interrupts (unlike Lazy.lazy);
wenzelm
parents: 47336
diff changeset
    71
00f6279bb67a Command.memo including physical interrupts (unlike Lazy.lazy);
wenzelm
parents: 47336
diff changeset
    72
52534
341ae9cd4743 tuned signature;
wenzelm
parents: 52533
diff changeset
    73
341ae9cd4743 tuned signature;
wenzelm
parents: 52533
diff changeset
    74
(** main phases **)
341ae9cd4743 tuned signature;
wenzelm
parents: 52533
diff changeset
    75
341ae9cd4743 tuned signature;
wenzelm
parents: 52533
diff changeset
    76
type span = Token.T list
341ae9cd4743 tuned signature;
wenzelm
parents: 52533
diff changeset
    77
341ae9cd4743 tuned signature;
wenzelm
parents: 52533
diff changeset
    78
type eval_state =
341ae9cd4743 tuned signature;
wenzelm
parents: 52533
diff changeset
    79
  {failed: bool, malformed: bool, command: Toplevel.transition, state: Toplevel.state};
341ae9cd4743 tuned signature;
wenzelm
parents: 52533
diff changeset
    80
type eval_process = eval_state memo;
341ae9cd4743 tuned signature;
wenzelm
parents: 52533
diff changeset
    81
type eval = {exec_id: Document_ID.exec, eval_process: eval_process};
341ae9cd4743 tuned signature;
wenzelm
parents: 52533
diff changeset
    82
341ae9cd4743 tuned signature;
wenzelm
parents: 52533
diff changeset
    83
type print_process = unit memo;
341ae9cd4743 tuned signature;
wenzelm
parents: 52533
diff changeset
    84
type print = {name: string, pri: int, exec_id: Document_ID.exec, print_process: print_process};
341ae9cd4743 tuned signature;
wenzelm
parents: 52533
diff changeset
    85
52532
c81d76f7f63d tuned signature;
wenzelm
parents: 52530
diff changeset
    86
52510
a4a102237ded tuned signature;
wenzelm
parents: 52509
diff changeset
    87
(* read *)
52509
2193d2c7f586 tuned signature;
wenzelm
parents: 51605
diff changeset
    88
52534
341ae9cd4743 tuned signature;
wenzelm
parents: 52533
diff changeset
    89
fun read init span =
52510
a4a102237ded tuned signature;
wenzelm
parents: 52509
diff changeset
    90
  let
a4a102237ded tuned signature;
wenzelm
parents: 52509
diff changeset
    91
    val outer_syntax = #2 (Outer_Syntax.get_syntax ());
a4a102237ded tuned signature;
wenzelm
parents: 52509
diff changeset
    92
    val command_reports = Outer_Syntax.command_reports outer_syntax;
52509
2193d2c7f586 tuned signature;
wenzelm
parents: 51605
diff changeset
    93
52534
341ae9cd4743 tuned signature;
wenzelm
parents: 52533
diff changeset
    94
    val proper_range =
341ae9cd4743 tuned signature;
wenzelm
parents: 52533
diff changeset
    95
      Position.set_range (Token.position_range_of (#1 (take_suffix Token.is_improper span)));
52510
a4a102237ded tuned signature;
wenzelm
parents: 52509
diff changeset
    96
    val pos =
a4a102237ded tuned signature;
wenzelm
parents: 52509
diff changeset
    97
      (case find_first Token.is_command span of
a4a102237ded tuned signature;
wenzelm
parents: 52509
diff changeset
    98
        SOME tok => Token.position_of tok
a4a102237ded tuned signature;
wenzelm
parents: 52509
diff changeset
    99
      | NONE => proper_range);
52509
2193d2c7f586 tuned signature;
wenzelm
parents: 51605
diff changeset
   100
52510
a4a102237ded tuned signature;
wenzelm
parents: 52509
diff changeset
   101
    val (is_malformed, token_reports) = Thy_Syntax.reports_of_tokens span;
a4a102237ded tuned signature;
wenzelm
parents: 52509
diff changeset
   102
    val _ = Position.reports_text (token_reports @ maps command_reports span);
a4a102237ded tuned signature;
wenzelm
parents: 52509
diff changeset
   103
  in
a4a102237ded tuned signature;
wenzelm
parents: 52509
diff changeset
   104
    if is_malformed then Toplevel.malformed pos "Malformed command syntax"
a4a102237ded tuned signature;
wenzelm
parents: 52509
diff changeset
   105
    else
a4a102237ded tuned signature;
wenzelm
parents: 52509
diff changeset
   106
      (case Outer_Syntax.read_spans outer_syntax span of
a4a102237ded tuned signature;
wenzelm
parents: 52509
diff changeset
   107
        [tr] =>
a4a102237ded tuned signature;
wenzelm
parents: 52509
diff changeset
   108
          if Keyword.is_control (Toplevel.name_of tr) then
a4a102237ded tuned signature;
wenzelm
parents: 52509
diff changeset
   109
            Toplevel.malformed pos "Illegal control command"
52534
341ae9cd4743 tuned signature;
wenzelm
parents: 52533
diff changeset
   110
          else Toplevel.modify_init init tr
341ae9cd4743 tuned signature;
wenzelm
parents: 52533
diff changeset
   111
      | [] => Toplevel.ignored (Position.set_range (Token.position_range_of span))
52510
a4a102237ded tuned signature;
wenzelm
parents: 52509
diff changeset
   112
      | _ => Toplevel.malformed proper_range "Exactly one command expected")
a4a102237ded tuned signature;
wenzelm
parents: 52509
diff changeset
   113
      handle ERROR msg => Toplevel.malformed proper_range msg
a4a102237ded tuned signature;
wenzelm
parents: 52509
diff changeset
   114
  end;
52509
2193d2c7f586 tuned signature;
wenzelm
parents: 51605
diff changeset
   115
2193d2c7f586 tuned signature;
wenzelm
parents: 51605
diff changeset
   116
2193d2c7f586 tuned signature;
wenzelm
parents: 51605
diff changeset
   117
(* eval *)
47336
bed4b2738d8a separate module for prover command execution;
wenzelm
parents:
diff changeset
   118
52526
d234cb6b60e3 more Command.memo operations;
wenzelm
parents: 52516
diff changeset
   119
val no_eval_state: eval_state =
d234cb6b60e3 more Command.memo operations;
wenzelm
parents: 52516
diff changeset
   120
  {failed = false, malformed = false, command = Toplevel.empty, state = Toplevel.toplevel};
d234cb6b60e3 more Command.memo operations;
wenzelm
parents: 52516
diff changeset
   121
52534
341ae9cd4743 tuned signature;
wenzelm
parents: 52533
diff changeset
   122
val no_eval: eval = {exec_id = Document_ID.none, eval_process = memo_value no_eval_state};
52533
a95440dcd59c clarified type Command.eval;
wenzelm
parents: 52532
diff changeset
   123
52534
341ae9cd4743 tuned signature;
wenzelm
parents: 52533
diff changeset
   124
fun eval_result ({eval_process, ...}: eval) = memo_result eval_process;
341ae9cd4743 tuned signature;
wenzelm
parents: 52533
diff changeset
   125
val eval_result_state = #state o eval_result;
52526
d234cb6b60e3 more Command.memo operations;
wenzelm
parents: 52516
diff changeset
   126
47336
bed4b2738d8a separate module for prover command execution;
wenzelm
parents:
diff changeset
   127
local
bed4b2738d8a separate module for prover command execution;
wenzelm
parents:
diff changeset
   128
bed4b2738d8a separate module for prover command execution;
wenzelm
parents:
diff changeset
   129
fun run int tr st =
51284
59a03019f3bf fork diagnostic commands (theory loader and PIDE interaction);
wenzelm
parents: 51266
diff changeset
   130
  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
   131
    (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
   132
      (fn () => Toplevel.command_exception int tr st); ([], SOME st))
51284
59a03019f3bf fork diagnostic commands (theory loader and PIDE interaction);
wenzelm
parents: 51266
diff changeset
   133
  else Toplevel.command_errors int tr st;
47336
bed4b2738d8a separate module for prover command execution;
wenzelm
parents:
diff changeset
   134
52510
a4a102237ded tuned signature;
wenzelm
parents: 52509
diff changeset
   135
fun check_cmts span tr st' =
a4a102237ded tuned signature;
wenzelm
parents: 52509
diff changeset
   136
  Toplevel.setmp_thread_position tr
a4a102237ded tuned signature;
wenzelm
parents: 52509
diff changeset
   137
    (fn () =>
a4a102237ded tuned signature;
wenzelm
parents: 52509
diff changeset
   138
      Outer_Syntax.side_comments span |> maps (fn cmt =>
a4a102237ded tuned signature;
wenzelm
parents: 52509
diff changeset
   139
        (Thy_Output.check_text (Token.source_position_of cmt) st'; [])
a4a102237ded tuned signature;
wenzelm
parents: 52509
diff changeset
   140
          handle exn => ML_Compiler.exn_messages_ids exn)) ();
a4a102237ded tuned signature;
wenzelm
parents: 52509
diff changeset
   141
47336
bed4b2738d8a separate module for prover command execution;
wenzelm
parents:
diff changeset
   142
fun proof_status tr st =
bed4b2738d8a separate module for prover command execution;
wenzelm
parents:
diff changeset
   143
  (case try Toplevel.proof_of st of
bed4b2738d8a separate module for prover command execution;
wenzelm
parents:
diff changeset
   144
    SOME prf => Toplevel.status tr (Proof.status_markup prf)
bed4b2738d8a separate module for prover command execution;
wenzelm
parents:
diff changeset
   145
  | NONE => ());
bed4b2738d8a separate module for prover command execution;
wenzelm
parents:
diff changeset
   146
52534
341ae9cd4743 tuned signature;
wenzelm
parents: 52533
diff changeset
   147
fun eval_state span tr ({malformed, state = st, ...}: eval_state) =
52509
2193d2c7f586 tuned signature;
wenzelm
parents: 51605
diff changeset
   148
  if malformed then
52526
d234cb6b60e3 more Command.memo operations;
wenzelm
parents: 52516
diff changeset
   149
    {failed = true, malformed = malformed, command = tr, state = Toplevel.toplevel}
48772
e46cd0d26481 vacuous execution after first malformed command;
wenzelm
parents: 48771
diff changeset
   150
  else
e46cd0d26481 vacuous execution after first malformed command;
wenzelm
parents: 48771
diff changeset
   151
    let
e46cd0d26481 vacuous execution after first malformed command;
wenzelm
parents: 48771
diff changeset
   152
      val malformed' = Toplevel.is_malformed tr;
e46cd0d26481 vacuous execution after first malformed command;
wenzelm
parents: 48771
diff changeset
   153
      val is_init = Toplevel.is_init tr;
e46cd0d26481 vacuous execution after first malformed command;
wenzelm
parents: 48771
diff changeset
   154
      val is_proof = Keyword.is_proof (Toplevel.name_of tr);
47336
bed4b2738d8a separate module for prover command execution;
wenzelm
parents:
diff changeset
   155
48772
e46cd0d26481 vacuous execution after first malformed command;
wenzelm
parents: 48771
diff changeset
   156
      val _ = Multithreading.interrupted ();
50201
c26369c9eda6 Isabelle-specific implementation of quasi-abstract markup elements -- back to module arrangement before d83797ef0d2d;
wenzelm
parents: 49866
diff changeset
   157
      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
   158
      val (errs1, result) = run (is_init orelse is_proof) (Toplevel.set_print false tr) st;
52509
2193d2c7f586 tuned signature;
wenzelm
parents: 51605
diff changeset
   159
      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
   160
      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
   161
      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
   162
      val _ = List.app (Future.error_msg (Toplevel.pos_of tr)) errs;
48772
e46cd0d26481 vacuous execution after first malformed command;
wenzelm
parents: 48771
diff changeset
   163
    in
e46cd0d26481 vacuous execution after first malformed command;
wenzelm
parents: 48771
diff changeset
   164
      (case result of
e46cd0d26481 vacuous execution after first malformed command;
wenzelm
parents: 48771
diff changeset
   165
        NONE =>
e46cd0d26481 vacuous execution after first malformed command;
wenzelm
parents: 48771
diff changeset
   166
          let
e46cd0d26481 vacuous execution after first malformed command;
wenzelm
parents: 48771
diff changeset
   167
            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
   168
            val _ = Toplevel.status tr Markup.failed;
52526
d234cb6b60e3 more Command.memo operations;
wenzelm
parents: 52516
diff changeset
   169
          in {failed = true, malformed = malformed', command = tr, state = st} end
48772
e46cd0d26481 vacuous execution after first malformed command;
wenzelm
parents: 48771
diff changeset
   170
      | SOME st' =>
e46cd0d26481 vacuous execution after first malformed command;
wenzelm
parents: 48771
diff changeset
   171
          let
e46cd0d26481 vacuous execution after first malformed command;
wenzelm
parents: 48771
diff changeset
   172
            val _ = proof_status tr st';
52526
d234cb6b60e3 more Command.memo operations;
wenzelm
parents: 52516
diff changeset
   173
          in {failed = false, malformed = malformed', command = tr, state = st'} end)
48772
e46cd0d26481 vacuous execution after first malformed command;
wenzelm
parents: 48771
diff changeset
   174
    end;
47336
bed4b2738d8a separate module for prover command execution;
wenzelm
parents:
diff changeset
   175
52534
341ae9cd4743 tuned signature;
wenzelm
parents: 52533
diff changeset
   176
in
341ae9cd4743 tuned signature;
wenzelm
parents: 52533
diff changeset
   177
341ae9cd4743 tuned signature;
wenzelm
parents: 52533
diff changeset
   178
fun eval init span eval0 =
341ae9cd4743 tuned signature;
wenzelm
parents: 52533
diff changeset
   179
  let
341ae9cd4743 tuned signature;
wenzelm
parents: 52533
diff changeset
   180
    val exec_id = Document_ID.make ();
341ae9cd4743 tuned signature;
wenzelm
parents: 52533
diff changeset
   181
    fun process () =
341ae9cd4743 tuned signature;
wenzelm
parents: 52533
diff changeset
   182
      let
341ae9cd4743 tuned signature;
wenzelm
parents: 52533
diff changeset
   183
        val tr =
341ae9cd4743 tuned signature;
wenzelm
parents: 52533
diff changeset
   184
          Position.setmp_thread_data (Position.id_only (Document_ID.print exec_id))
341ae9cd4743 tuned signature;
wenzelm
parents: 52533
diff changeset
   185
            (fn () => read init span |> Toplevel.put_id exec_id) ();
341ae9cd4743 tuned signature;
wenzelm
parents: 52533
diff changeset
   186
      in eval_state span tr (eval_result eval0) end;
341ae9cd4743 tuned signature;
wenzelm
parents: 52533
diff changeset
   187
  in {exec_id = exec_id, eval_process = memo process} end;
341ae9cd4743 tuned signature;
wenzelm
parents: 52533
diff changeset
   188
47336
bed4b2738d8a separate module for prover command execution;
wenzelm
parents:
diff changeset
   189
end;
bed4b2738d8a separate module for prover command execution;
wenzelm
parents:
diff changeset
   190
52509
2193d2c7f586 tuned signature;
wenzelm
parents: 51605
diff changeset
   191
2193d2c7f586 tuned signature;
wenzelm
parents: 51605
diff changeset
   192
(* print *)
2193d2c7f586 tuned signature;
wenzelm
parents: 51605
diff changeset
   193
52526
d234cb6b60e3 more Command.memo operations;
wenzelm
parents: 52516
diff changeset
   194
type print_fn = Toplevel.transition -> Toplevel.state -> unit;
52515
0dcadc90550b more print function parameters;
wenzelm
parents: 52511
diff changeset
   195
52511
d5d2093ff224 allow multiple print functions;
wenzelm
parents: 52510
diff changeset
   196
local
d5d2093ff224 allow multiple print functions;
wenzelm
parents: 52510
diff changeset
   197
52526
d234cb6b60e3 more Command.memo operations;
wenzelm
parents: 52516
diff changeset
   198
type print_function = string * (int * (string -> print_fn option));
d234cb6b60e3 more Command.memo operations;
wenzelm
parents: 52516
diff changeset
   199
val print_functions = Synchronized.var "Command.print_functions" ([]: print_function list);
52511
d5d2093ff224 allow multiple print functions;
wenzelm
parents: 52510
diff changeset
   200
52516
b5b3c888df9f more exception handling -- make print functions total;
wenzelm
parents: 52515
diff changeset
   201
fun output_error tr exn =
b5b3c888df9f more exception handling -- make print functions total;
wenzelm
parents: 52515
diff changeset
   202
  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
   203
b5b3c888df9f more exception handling -- make print functions total;
wenzelm
parents: 52515
diff changeset
   204
fun print_error tr f x =
b5b3c888df9f more exception handling -- make print functions total;
wenzelm
parents: 52515
diff changeset
   205
  (Toplevel.setmp_thread_position tr o Runtime.controlled_execution) f x
b5b3c888df9f more exception handling -- make print functions total;
wenzelm
parents: 52515
diff changeset
   206
    handle exn => output_error tr exn;
b5b3c888df9f more exception handling -- make print functions total;
wenzelm
parents: 52515
diff changeset
   207
52511
d5d2093ff224 allow multiple print functions;
wenzelm
parents: 52510
diff changeset
   208
in
52509
2193d2c7f586 tuned signature;
wenzelm
parents: 51605
diff changeset
   209
52530
99dd8b4ef3fe explicit module Document_ID as source of globally unique identifiers across ML/Scala;
wenzelm
parents: 52527
diff changeset
   210
fun print command_name eval =
52526
d234cb6b60e3 more Command.memo operations;
wenzelm
parents: 52516
diff changeset
   211
  rev (Synchronized.value print_functions) |> map_filter (fn (name, (pri, get_print_fn)) =>
d234cb6b60e3 more Command.memo operations;
wenzelm
parents: 52516
diff changeset
   212
    (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
   213
      Exn.Res NONE => NONE
52526
d234cb6b60e3 more Command.memo operations;
wenzelm
parents: 52516
diff changeset
   214
    | 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
   215
        let
52530
99dd8b4ef3fe explicit module Document_ID as source of globally unique identifiers across ML/Scala;
wenzelm
parents: 52527
diff changeset
   216
          val exec_id = Document_ID.make ();
52534
341ae9cd4743 tuned signature;
wenzelm
parents: 52533
diff changeset
   217
          fun process () =
52527
dbac84eab3bc separate exec_id assignment for Command.print states, without affecting result of eval;
wenzelm
parents: 52526
diff changeset
   218
            let
52533
a95440dcd59c clarified type Command.eval;
wenzelm
parents: 52532
diff changeset
   219
              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
   220
              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
   221
            in if failed then () else print_error tr (fn () => print_fn tr st') () end;
52534
341ae9cd4743 tuned signature;
wenzelm
parents: 52533
diff changeset
   222
        in SOME {name = name, pri = pri, exec_id = exec_id, print_process = memo process} end
52526
d234cb6b60e3 more Command.memo operations;
wenzelm
parents: 52516
diff changeset
   223
    | Exn.Exn exn =>
52527
dbac84eab3bc separate exec_id assignment for Command.print states, without affecting result of eval;
wenzelm
parents: 52526
diff changeset
   224
        let
52530
99dd8b4ef3fe explicit module Document_ID as source of globally unique identifiers across ML/Scala;
wenzelm
parents: 52527
diff changeset
   225
          val exec_id = Document_ID.make ();
52534
341ae9cd4743 tuned signature;
wenzelm
parents: 52533
diff changeset
   226
          fun process () =
52527
dbac84eab3bc separate exec_id assignment for Command.print states, without affecting result of eval;
wenzelm
parents: 52526
diff changeset
   227
            let
52533
a95440dcd59c clarified type Command.eval;
wenzelm
parents: 52532
diff changeset
   228
              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
   229
              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
   230
            in output_error tr exn end;
52534
341ae9cd4743 tuned signature;
wenzelm
parents: 52533
diff changeset
   231
        in SOME {name = name, pri = pri, exec_id = exec_id, print_process = memo process} end));
52511
d5d2093ff224 allow multiple print functions;
wenzelm
parents: 52510
diff changeset
   232
52526
d234cb6b60e3 more Command.memo operations;
wenzelm
parents: 52516
diff changeset
   233
fun print_function {name, pri} f =
52511
d5d2093ff224 allow multiple print functions;
wenzelm
parents: 52510
diff changeset
   234
  Synchronized.change print_functions (fn funs =>
d5d2093ff224 allow multiple print functions;
wenzelm
parents: 52510
diff changeset
   235
   (if not (AList.defined (op =) funs name) then ()
d5d2093ff224 allow multiple print functions;
wenzelm
parents: 52510
diff changeset
   236
    else warning ("Redefining command print function: " ^ quote name);
52515
0dcadc90550b more print function parameters;
wenzelm
parents: 52511
diff changeset
   237
    AList.update (op =) (name, (pri, f)) funs));
52511
d5d2093ff224 allow multiple print functions;
wenzelm
parents: 52510
diff changeset
   238
d5d2093ff224 allow multiple print functions;
wenzelm
parents: 52510
diff changeset
   239
end;
d5d2093ff224 allow multiple print functions;
wenzelm
parents: 52510
diff changeset
   240
52526
d234cb6b60e3 more Command.memo operations;
wenzelm
parents: 52516
diff changeset
   241
val _ =
d234cb6b60e3 more Command.memo operations;
wenzelm
parents: 52516
diff changeset
   242
  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
   243
    let
d234cb6b60e3 more Command.memo operations;
wenzelm
parents: 52516
diff changeset
   244
      val is_init = Keyword.is_theory_begin command_name;
d234cb6b60e3 more Command.memo operations;
wenzelm
parents: 52516
diff changeset
   245
      val is_proof = Keyword.is_proof command_name;
d234cb6b60e3 more Command.memo operations;
wenzelm
parents: 52516
diff changeset
   246
      val do_print =
d234cb6b60e3 more Command.memo operations;
wenzelm
parents: 52516
diff changeset
   247
        not is_init andalso
d234cb6b60e3 more Command.memo operations;
wenzelm
parents: 52516
diff changeset
   248
          (Toplevel.print_of tr orelse (is_proof andalso Toplevel.is_proof st'));
d234cb6b60e3 more Command.memo operations;
wenzelm
parents: 52516
diff changeset
   249
    in if do_print then Toplevel.print_state false st' else () end));
52509
2193d2c7f586 tuned signature;
wenzelm
parents: 51605
diff changeset
   250
52532
c81d76f7f63d tuned signature;
wenzelm
parents: 52530
diff changeset
   251
c81d76f7f63d tuned signature;
wenzelm
parents: 52530
diff changeset
   252
52533
a95440dcd59c clarified type Command.eval;
wenzelm
parents: 52532
diff changeset
   253
(** managed evaluation **)
52532
c81d76f7f63d tuned signature;
wenzelm
parents: 52530
diff changeset
   254
c81d76f7f63d tuned signature;
wenzelm
parents: 52530
diff changeset
   255
(* execution *)
c81d76f7f63d tuned signature;
wenzelm
parents: 52530
diff changeset
   256
52533
a95440dcd59c clarified type Command.eval;
wenzelm
parents: 52532
diff changeset
   257
type exec = eval * print list;
a95440dcd59c clarified type Command.eval;
wenzelm
parents: 52532
diff changeset
   258
val no_exec: exec = (no_eval, []);
52532
c81d76f7f63d tuned signature;
wenzelm
parents: 52530
diff changeset
   259
52533
a95440dcd59c clarified type Command.eval;
wenzelm
parents: 52532
diff changeset
   260
fun exec_ids (({exec_id, ...}, prints): exec) = exec_id :: map #exec_id prints;
52532
c81d76f7f63d tuned signature;
wenzelm
parents: 52530
diff changeset
   261
52534
341ae9cd4743 tuned signature;
wenzelm
parents: 52533
diff changeset
   262
fun exec_run (({eval_process, ...}, prints): exec) =
341ae9cd4743 tuned signature;
wenzelm
parents: 52533
diff changeset
   263
 (memo_eval eval_process;
341ae9cd4743 tuned signature;
wenzelm
parents: 52533
diff changeset
   264
  prints |> List.app (fn {name, pri, print_process, ...} =>
341ae9cd4743 tuned signature;
wenzelm
parents: 52533
diff changeset
   265
    memo_fork {name = name, group = NONE, deps = [], pri = pri, interrupts = true} print_process));
52532
c81d76f7f63d tuned signature;
wenzelm
parents: 52530
diff changeset
   266
c81d76f7f63d tuned signature;
wenzelm
parents: 52530
diff changeset
   267
52533
a95440dcd59c clarified type Command.eval;
wenzelm
parents: 52532
diff changeset
   268
(* stable situations after cancellation *)
52532
c81d76f7f63d tuned signature;
wenzelm
parents: 52530
diff changeset
   269
c81d76f7f63d tuned signature;
wenzelm
parents: 52530
diff changeset
   270
fun stable_goals exec_id =
c81d76f7f63d tuned signature;
wenzelm
parents: 52530
diff changeset
   271
  not (Par_Exn.is_interrupted (Future.join_results (Goal.peek_futures exec_id)));
c81d76f7f63d tuned signature;
wenzelm
parents: 52530
diff changeset
   272
52534
341ae9cd4743 tuned signature;
wenzelm
parents: 52533
diff changeset
   273
fun stable_eval ({exec_id, eval_process}: eval) =
341ae9cd4743 tuned signature;
wenzelm
parents: 52533
diff changeset
   274
  stable_goals exec_id andalso memo_stable eval_process;
52532
c81d76f7f63d tuned signature;
wenzelm
parents: 52530
diff changeset
   275
52534
341ae9cd4743 tuned signature;
wenzelm
parents: 52533
diff changeset
   276
fun stable_print ({exec_id, print_process, ...}: print) =
341ae9cd4743 tuned signature;
wenzelm
parents: 52533
diff changeset
   277
  stable_goals exec_id andalso memo_stable print_process;
52532
c81d76f7f63d tuned signature;
wenzelm
parents: 52530
diff changeset
   278
47336
bed4b2738d8a separate module for prover command execution;
wenzelm
parents:
diff changeset
   279
end;
bed4b2738d8a separate module for prover command execution;
wenzelm
parents:
diff changeset
   280