src/Pure/Isar/toplevel.ML
author wenzelm
Thu, 12 Oct 2006 22:57:45 +0200
changeset 21007 1bbb31aaf98d
parent 20985 de13e2a23c8e
child 21177 e8228486aa03
permissions -rw-r--r--
renamed enter_forward_proof to enter_proof_body; renamed exit_local_theory to end_local_theory; added local_theory_to_proof; tuned;
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
    ID:         $Id$
1feeadaad6a9 The Isabelle/Isar toplevel.
wenzelm
parents:
diff changeset
     3
    Author:     Markus Wenzel, TU Muenchen
1feeadaad6a9 The Isabelle/Isar toplevel.
wenzelm
parents:
diff changeset
     4
1feeadaad6a9 The Isabelle/Isar toplevel.
wenzelm
parents:
diff changeset
     5
The Isabelle/Isar toplevel.
1feeadaad6a9 The Isabelle/Isar toplevel.
wenzelm
parents:
diff changeset
     6
*)
1feeadaad6a9 The Isabelle/Isar toplevel.
wenzelm
parents:
diff changeset
     7
1feeadaad6a9 The Isabelle/Isar toplevel.
wenzelm
parents:
diff changeset
     8
signature TOPLEVEL =
1feeadaad6a9 The Isabelle/Isar toplevel.
wenzelm
parents:
diff changeset
     9
sig
19063
049c010c8fb7 added cases_node;
wenzelm
parents: 18955
diff changeset
    10
  exception UNDEF
20963
a7fd8f05a2be added type global_theory -- theory or local_theory;
wenzelm
parents: 20928
diff changeset
    11
  type generic_theory
18589
c27c9fa9e83d hide type datatype node;
wenzelm
parents: 18564
diff changeset
    12
  type node
20963
a7fd8f05a2be added type global_theory -- theory or local_theory;
wenzelm
parents: 20928
diff changeset
    13
  val theory_node: node -> generic_theory option
18589
c27c9fa9e83d hide type datatype node;
wenzelm
parents: 18564
diff changeset
    14
  val proof_node: node -> ProofHistory.T option
20963
a7fd8f05a2be added type global_theory -- theory or local_theory;
wenzelm
parents: 20928
diff changeset
    15
  val cases_node: (generic_theory -> 'a) -> (Proof.state -> 'a) -> node -> 'a
a7fd8f05a2be added type global_theory -- theory or local_theory;
wenzelm
parents: 20928
diff changeset
    16
  val presentation_context: node option -> xstring option -> Proof.context
5828
1feeadaad6a9 The Isabelle/Isar toplevel.
wenzelm
parents:
diff changeset
    17
  type state
1feeadaad6a9 The Isabelle/Isar toplevel.
wenzelm
parents:
diff changeset
    18
  val toplevel: state
7732
d62523296573 added is_toplevel;
wenzelm
parents: 7612
diff changeset
    19
  val is_toplevel: state -> bool
18589
c27c9fa9e83d hide type datatype node;
wenzelm
parents: 18564
diff changeset
    20
  val is_theory: state -> bool
c27c9fa9e83d hide type datatype node;
wenzelm
parents: 18564
diff changeset
    21
  val is_proof: state -> bool
17076
c7effdf2e2e2 state: body context;
wenzelm
parents: 16815
diff changeset
    22
  val level: state -> int
17266
31c23e8f8111 added assert, command;
wenzelm
parents: 17208
diff changeset
    23
  val assert: bool -> unit
6689
wenzelm
parents: 6664
diff changeset
    24
  val node_history_of: state -> node History.T
5828
1feeadaad6a9 The Isabelle/Isar toplevel.
wenzelm
parents:
diff changeset
    25
  val node_of: state -> node
20963
a7fd8f05a2be added type global_theory -- theory or local_theory;
wenzelm
parents: 20928
diff changeset
    26
  val node_case: (generic_theory -> 'a) -> (Proof.state -> 'a) -> state -> 'a
18641
688056d430b0 added context_of -- generic context;
wenzelm
parents: 18592
diff changeset
    27
  val context_of: state -> Context.generic
5828
1feeadaad6a9 The Isabelle/Isar toplevel.
wenzelm
parents:
diff changeset
    28
  val theory_of: state -> theory
1feeadaad6a9 The Isabelle/Isar toplevel.
wenzelm
parents:
diff changeset
    29
  val proof_of: state -> Proof.state
18589
c27c9fa9e83d hide type datatype node;
wenzelm
parents: 18564
diff changeset
    30
  val proof_position_of: state -> int
21007
1bbb31aaf98d renamed enter_forward_proof to enter_proof_body;
wenzelm
parents: 20985
diff changeset
    31
  val enter_proof_body: state -> Proof.state
16815
13d20ed9086c added print_state_hook;
wenzelm
parents: 16729
diff changeset
    32
  val prompt_state_default: state -> string
13d20ed9086c added print_state_hook;
wenzelm
parents: 16729
diff changeset
    33
  val prompt_state_fn: (state -> string) ref
13d20ed9086c added print_state_hook;
wenzelm
parents: 16729
diff changeset
    34
  val print_state_context: state -> unit
13d20ed9086c added print_state_hook;
wenzelm
parents: 16729
diff changeset
    35
  val print_state_default: bool -> state -> unit
13d20ed9086c added print_state_hook;
wenzelm
parents: 16729
diff changeset
    36
  val print_state_hook: (bool -> state -> unit) -> unit
13d20ed9086c added print_state_hook;
wenzelm
parents: 16729
diff changeset
    37
  val print_state_fn: (bool -> state -> unit) ref
13d20ed9086c added print_state_hook;
wenzelm
parents: 16729
diff changeset
    38
  val print_state: bool -> state -> unit
13d20ed9086c added print_state_hook;
wenzelm
parents: 16729
diff changeset
    39
  val pretty_state: bool -> state -> Pretty.T list
16682
wenzelm
parents: 16658
diff changeset
    40
  val quiet: bool ref
wenzelm
parents: 16658
diff changeset
    41
  val debug: bool ref
17321
227f1f5c3959 added interact flag to control mode of excursions;
wenzelm
parents: 17320
diff changeset
    42
  val interact: bool ref
16682
wenzelm
parents: 16658
diff changeset
    43
  val timing: bool ref
wenzelm
parents: 16658
diff changeset
    44
  val profiling: int ref
16815
13d20ed9086c added print_state_hook;
wenzelm
parents: 16729
diff changeset
    45
  val skip_proofs: bool ref
5828
1feeadaad6a9 The Isabelle/Isar toplevel.
wenzelm
parents:
diff changeset
    46
  exception TERMINATE
5990
8b6de9bd7d72 added exception RESTART;
wenzelm
parents: 5946
diff changeset
    47
  exception RESTART
20128
8f0e07d7cf92 keep/transaction: unified execution model (with debugging etc.);
wenzelm
parents: 19996
diff changeset
    48
  val exn_message: exn -> string
8f0e07d7cf92 keep/transaction: unified execution model (with debugging etc.);
wenzelm
parents: 19996
diff changeset
    49
  val program: (unit -> 'a) -> 'a
18589
c27c9fa9e83d hide type datatype node;
wenzelm
parents: 18564
diff changeset
    50
  val checkpoint: state -> state
16682
wenzelm
parents: 16658
diff changeset
    51
  type transition
6689
wenzelm
parents: 6664
diff changeset
    52
  val undo_limit: bool -> int option
5828
1feeadaad6a9 The Isabelle/Isar toplevel.
wenzelm
parents:
diff changeset
    53
  val empty: transition
14923
8a32071c3c13 added name_of, source_of, source;
wenzelm
parents: 14825
diff changeset
    54
  val name_of: transition -> string
8a32071c3c13 added name_of, source_of, source;
wenzelm
parents: 14825
diff changeset
    55
  val source_of: transition -> OuterLex.token list option
5828
1feeadaad6a9 The Isabelle/Isar toplevel.
wenzelm
parents:
diff changeset
    56
  val name: string -> transition -> transition
1feeadaad6a9 The Isabelle/Isar toplevel.
wenzelm
parents:
diff changeset
    57
  val position: Position.T -> transition -> transition
14923
8a32071c3c13 added name_of, source_of, source;
wenzelm
parents: 14825
diff changeset
    58
  val source: OuterLex.token list -> transition -> transition
5828
1feeadaad6a9 The Isabelle/Isar toplevel.
wenzelm
parents:
diff changeset
    59
  val interactive: bool -> transition -> transition
1feeadaad6a9 The Isabelle/Isar toplevel.
wenzelm
parents:
diff changeset
    60
  val print: transition -> transition
16607
81e687c63e29 added print': print depending on print_mode;
wenzelm
parents: 16490
diff changeset
    61
  val print': string -> transition -> transition
17363
046c829c075f added three_buffersN, print3;
wenzelm
parents: 17321
diff changeset
    62
  val three_buffersN: string
046c829c075f added three_buffersN, print3;
wenzelm
parents: 17321
diff changeset
    63
  val print3: transition -> transition
9010
ce78dc5e1a73 Toplevel.no_timing;
wenzelm
parents: 8999
diff changeset
    64
  val no_timing: transition -> transition
5828
1feeadaad6a9 The Isabelle/Isar toplevel.
wenzelm
parents:
diff changeset
    65
  val reset: transition -> transition
8465
df6549f5a01f eliminated toplevel stack;
wenzelm
parents: 7732
diff changeset
    66
  val init: (bool -> node) -> (node -> unit) -> (node -> unit) -> transition -> transition
6689
wenzelm
parents: 6664
diff changeset
    67
  val exit: transition -> transition
wenzelm
parents: 6664
diff changeset
    68
  val kill: transition -> transition
20128
8f0e07d7cf92 keep/transaction: unified execution model (with debugging etc.);
wenzelm
parents: 19996
diff changeset
    69
  val history: (node History.T -> node History.T) -> transition -> transition
5828
1feeadaad6a9 The Isabelle/Isar toplevel.
wenzelm
parents:
diff changeset
    70
  val keep: (state -> unit) -> transition -> transition
7612
ba11b5db431a added keep', theory';
wenzelm
parents: 7602
diff changeset
    71
  val keep': (bool -> state -> unit) -> transition -> transition
5828
1feeadaad6a9 The Isabelle/Isar toplevel.
wenzelm
parents:
diff changeset
    72
  val imperative: (unit -> unit) -> transition -> transition
21007
1bbb31aaf98d renamed enter_forward_proof to enter_proof_body;
wenzelm
parents: 20985
diff changeset
    73
  val init_theory: (bool -> theory) -> (theory -> unit) -> (theory -> unit) ->
1bbb31aaf98d renamed enter_forward_proof to enter_proof_body;
wenzelm
parents: 20985
diff changeset
    74
    transition -> transition
5828
1feeadaad6a9 The Isabelle/Isar toplevel.
wenzelm
parents:
diff changeset
    75
  val theory: (theory -> theory) -> transition -> transition
7612
ba11b5db431a added keep', theory';
wenzelm
parents: 7602
diff changeset
    76
  val theory': (bool -> theory -> theory) -> transition -> transition
20985
de13e2a23c8e exit_local_theory: pass interactive flag;
wenzelm
parents: 20963
diff changeset
    77
  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
    78
  val end_local_theory: transition -> transition
20963
a7fd8f05a2be added type global_theory -- theory or local_theory;
wenzelm
parents: 20928
diff changeset
    79
  val local_theory: xstring option -> (local_theory -> local_theory) -> transition -> transition
a7fd8f05a2be added type global_theory -- theory or local_theory;
wenzelm
parents: 20928
diff changeset
    80
  val present_local_theory: xstring option -> (bool -> node -> unit) -> transition -> transition
21007
1bbb31aaf98d renamed enter_forward_proof to enter_proof_body;
wenzelm
parents: 20985
diff changeset
    81
  val local_theory_to_proof: xstring option -> (local_theory -> Proof.state) ->
1bbb31aaf98d renamed enter_forward_proof to enter_proof_body;
wenzelm
parents: 20985
diff changeset
    82
    transition -> transition
17363
046c829c075f added three_buffersN, print3;
wenzelm
parents: 17321
diff changeset
    83
  val theory_to_proof: (theory -> Proof.state) -> transition -> transition
21007
1bbb31aaf98d renamed enter_forward_proof to enter_proof_body;
wenzelm
parents: 20985
diff changeset
    84
  val end_proof: (bool -> Proof.state -> Proof.context) -> transition -> transition
1bbb31aaf98d renamed enter_forward_proof to enter_proof_body;
wenzelm
parents: 20985
diff changeset
    85
  val forget_proof: transition -> transition
17904
21c6894b5998 simplified interfaces proof/proof' etc.: perform ProofHistory.apply(s)/current internally;
wenzelm
parents: 17513
diff changeset
    86
  val proof: (Proof.state -> Proof.state) -> transition -> transition
21c6894b5998 simplified interfaces proof/proof' etc.: perform ProofHistory.apply(s)/current internally;
wenzelm
parents: 17513
diff changeset
    87
  val proofs: (Proof.state -> Proof.state Seq.seq) -> transition -> transition
21c6894b5998 simplified interfaces proof/proof' etc.: perform ProofHistory.apply(s)/current internally;
wenzelm
parents: 17513
diff changeset
    88
  val proof': (bool -> Proof.state -> Proof.state) -> transition -> transition
21c6894b5998 simplified interfaces proof/proof' etc.: perform ProofHistory.apply(s)/current internally;
wenzelm
parents: 17513
diff changeset
    89
  val proofs': (bool -> Proof.state -> Proof.state Seq.seq) -> transition -> transition
21007
1bbb31aaf98d renamed enter_forward_proof to enter_proof_body;
wenzelm
parents: 20985
diff changeset
    90
  val present_proof: (bool -> node -> unit) -> transition -> transition
16815
13d20ed9086c added print_state_hook;
wenzelm
parents: 16729
diff changeset
    91
  val actual_proof: (ProofHistory.T -> ProofHistory.T) -> transition -> transition
13d20ed9086c added print_state_hook;
wenzelm
parents: 16729
diff changeset
    92
  val skip_proof: (int History.T -> int History.T) -> transition -> transition
17904
21c6894b5998 simplified interfaces proof/proof' etc.: perform ProofHistory.apply(s)/current internally;
wenzelm
parents: 17513
diff changeset
    93
  val skip_proof_to_theory: (int -> bool) -> transition -> transition
9512
c30f6d0f81d2 added unknown_theory/proof/context;
wenzelm
parents: 9453
diff changeset
    94
  val unknown_theory: transition -> transition
c30f6d0f81d2 added unknown_theory/proof/context;
wenzelm
parents: 9453
diff changeset
    95
  val unknown_proof: transition -> transition
c30f6d0f81d2 added unknown_theory/proof/context;
wenzelm
parents: 9453
diff changeset
    96
  val unknown_context: transition -> transition
5828
1feeadaad6a9 The Isabelle/Isar toplevel.
wenzelm
parents:
diff changeset
    97
  val apply: bool -> transition -> state -> (state * (exn * string) option) option
17076
c7effdf2e2e2 state: body context;
wenzelm
parents: 16815
diff changeset
    98
  val present_excursion: (transition * (state -> state -> 'a -> 'a)) list -> 'a -> 'a
5828
1feeadaad6a9 The Isabelle/Isar toplevel.
wenzelm
parents:
diff changeset
    99
  val excursion: transition list -> unit
1feeadaad6a9 The Isabelle/Isar toplevel.
wenzelm
parents:
diff changeset
   100
  val set_state: state -> unit
1feeadaad6a9 The Isabelle/Isar toplevel.
wenzelm
parents:
diff changeset
   101
  val get_state: unit -> state
1feeadaad6a9 The Isabelle/Isar toplevel.
wenzelm
parents:
diff changeset
   102
  val exn: unit -> (exn * string) option
1feeadaad6a9 The Isabelle/Isar toplevel.
wenzelm
parents:
diff changeset
   103
  val >> : transition -> bool
14985
fefcf6cd858a added >>> : transition list -> unit;
wenzelm
parents: 14981
diff changeset
   104
  val >>> : transition list -> unit
14091
ad6ba9c55190 A patch by david aspinall
nipkow
parents: 13486
diff changeset
   105
  type 'a isar
ad6ba9c55190 A patch by david aspinall
nipkow
parents: 13486
diff changeset
   106
  val loop: 'a isar -> unit
5828
1feeadaad6a9 The Isabelle/Isar toplevel.
wenzelm
parents:
diff changeset
   107
end;
1feeadaad6a9 The Isabelle/Isar toplevel.
wenzelm
parents:
diff changeset
   108
6965
a766de752996 fixed interrupts (eliminated races);
wenzelm
parents: 6689
diff changeset
   109
structure Toplevel: TOPLEVEL =
5828
1feeadaad6a9 The Isabelle/Isar toplevel.
wenzelm
parents:
diff changeset
   110
struct
1feeadaad6a9 The Isabelle/Isar toplevel.
wenzelm
parents:
diff changeset
   111
1feeadaad6a9 The Isabelle/Isar toplevel.
wenzelm
parents:
diff changeset
   112
(** toplevel state **)
1feeadaad6a9 The Isabelle/Isar toplevel.
wenzelm
parents:
diff changeset
   113
19063
049c010c8fb7 added cases_node;
wenzelm
parents: 18955
diff changeset
   114
exception UNDEF;
049c010c8fb7 added cases_node;
wenzelm
parents: 18955
diff changeset
   115
049c010c8fb7 added cases_node;
wenzelm
parents: 18955
diff changeset
   116
16815
13d20ed9086c added print_state_hook;
wenzelm
parents: 16729
diff changeset
   117
(* datatype state *)
5828
1feeadaad6a9 The Isabelle/Isar toplevel.
wenzelm
parents:
diff changeset
   118
20963
a7fd8f05a2be added type global_theory -- theory or local_theory;
wenzelm
parents: 20928
diff changeset
   119
type generic_theory = Context.generic;    (*theory or local_theory*)
a7fd8f05a2be added type global_theory -- theory or local_theory;
wenzelm
parents: 20928
diff changeset
   120
5828
1feeadaad6a9 The Isabelle/Isar toplevel.
wenzelm
parents:
diff changeset
   121
datatype node =
20963
a7fd8f05a2be added type global_theory -- theory or local_theory;
wenzelm
parents: 20928
diff changeset
   122
  Theory of generic_theory * Proof.context option | (*theory with presentation context*)
21007
1bbb31aaf98d renamed enter_forward_proof to enter_proof_body;
wenzelm
parents: 20985
diff changeset
   123
  Proof of ProofHistory.T * ((Proof.context -> generic_theory) * generic_theory) |
1bbb31aaf98d renamed enter_forward_proof to enter_proof_body;
wenzelm
parents: 20985
diff changeset
   124
    (*history of proof states, finish, original theory*)
1bbb31aaf98d renamed enter_forward_proof to enter_proof_body;
wenzelm
parents: 20985
diff changeset
   125
  SkipProof of int History.T * (generic_theory * generic_theory);
18563
wenzelm
parents: 17904
diff changeset
   126
    (*history of proof depths, resulting theory, original theory*)
5828
1feeadaad6a9 The Isabelle/Isar toplevel.
wenzelm
parents:
diff changeset
   127
20963
a7fd8f05a2be added type global_theory -- theory or local_theory;
wenzelm
parents: 20928
diff changeset
   128
val theory_node = fn Theory (gthy, _) => SOME gthy | _ => NONE;
18589
c27c9fa9e83d hide type datatype node;
wenzelm
parents: 18564
diff changeset
   129
val proof_node = fn Proof (prf, _) => SOME prf | _ => NONE;
c27c9fa9e83d hide type datatype node;
wenzelm
parents: 18564
diff changeset
   130
20963
a7fd8f05a2be added type global_theory -- theory or local_theory;
wenzelm
parents: 20928
diff changeset
   131
fun cases_node f _ (Theory (gthy, _)) = f gthy
19063
049c010c8fb7 added cases_node;
wenzelm
parents: 18955
diff changeset
   132
  | cases_node _ g (Proof (prf, _)) = g (ProofHistory.current prf)
21007
1bbb31aaf98d renamed enter_forward_proof to enter_proof_body;
wenzelm
parents: 20985
diff changeset
   133
  | cases_node f _ (SkipProof (_, (gthy, _))) = f gthy;
19063
049c010c8fb7 added cases_node;
wenzelm
parents: 18955
diff changeset
   134
20963
a7fd8f05a2be added type global_theory -- theory or local_theory;
wenzelm
parents: 20928
diff changeset
   135
fun presentation_context (SOME (Theory (_, SOME ctxt))) NONE = ctxt
a7fd8f05a2be added type global_theory -- theory or local_theory;
wenzelm
parents: 20928
diff changeset
   136
  | presentation_context (SOME node) NONE = cases_node Context.proof_of Proof.context_of node
a7fd8f05a2be added type global_theory -- theory or local_theory;
wenzelm
parents: 20928
diff changeset
   137
  | presentation_context (SOME node) (SOME loc) =
a7fd8f05a2be added type global_theory -- theory or local_theory;
wenzelm
parents: 20928
diff changeset
   138
      TheoryTarget.init (SOME loc) (cases_node Context.theory_of Proof.theory_of node)
a7fd8f05a2be added type global_theory -- theory or local_theory;
wenzelm
parents: 20928
diff changeset
   139
  | presentation_context NONE _ = raise UNDEF;
19063
049c010c8fb7 added cases_node;
wenzelm
parents: 18955
diff changeset
   140
8465
df6549f5a01f eliminated toplevel stack;
wenzelm
parents: 7732
diff changeset
   141
datatype state = State of (node History.T * ((node -> unit) * (node -> unit))) option;
5828
1feeadaad6a9 The Isabelle/Isar toplevel.
wenzelm
parents:
diff changeset
   142
15531
08c8dad8e399 Deleted Library.option type.
skalberg
parents: 15519
diff changeset
   143
val toplevel = State NONE;
5828
1feeadaad6a9 The Isabelle/Isar toplevel.
wenzelm
parents:
diff changeset
   144
15531
08c8dad8e399 Deleted Library.option type.
skalberg
parents: 15519
diff changeset
   145
fun is_toplevel (State NONE) = true
7732
d62523296573 added is_toplevel;
wenzelm
parents: 7612
diff changeset
   146
  | is_toplevel _ = false;
d62523296573 added is_toplevel;
wenzelm
parents: 7612
diff changeset
   147
17076
c7effdf2e2e2 state: body context;
wenzelm
parents: 16815
diff changeset
   148
fun level (State NONE) = 0
c7effdf2e2e2 state: body context;
wenzelm
parents: 16815
diff changeset
   149
  | level (State (SOME (node, _))) =
c7effdf2e2e2 state: body context;
wenzelm
parents: 16815
diff changeset
   150
      (case History.current node of
20963
a7fd8f05a2be added type global_theory -- theory or local_theory;
wenzelm
parents: 20928
diff changeset
   151
        Theory (Context.Theory _, _) => 0
a7fd8f05a2be added type global_theory -- theory or local_theory;
wenzelm
parents: 20928
diff changeset
   152
      | Theory (Context.Proof _, _) => 1
a7fd8f05a2be added type global_theory -- theory or local_theory;
wenzelm
parents: 20928
diff changeset
   153
      | Proof (prf, _) => Proof.level (ProofHistory.current prf) + 1
21007
1bbb31aaf98d renamed enter_forward_proof to enter_proof_body;
wenzelm
parents: 20985
diff changeset
   154
      | SkipProof (h, _) => History.current h + 2);   (*different notion of proof depth!*)
17076
c7effdf2e2e2 state: body context;
wenzelm
parents: 16815
diff changeset
   155
15531
08c8dad8e399 Deleted Library.option type.
skalberg
parents: 15519
diff changeset
   156
fun str_of_state (State NONE) = "at top level"
16815
13d20ed9086c added print_state_hook;
wenzelm
parents: 16729
diff changeset
   157
  | str_of_state (State (SOME (node, _))) =
13d20ed9086c added print_state_hook;
wenzelm
parents: 16729
diff changeset
   158
      (case History.current node of
20963
a7fd8f05a2be added type global_theory -- theory or local_theory;
wenzelm
parents: 20928
diff changeset
   159
        Theory (Context.Theory _, _) => "in theory mode"
a7fd8f05a2be added type global_theory -- theory or local_theory;
wenzelm
parents: 20928
diff changeset
   160
      | Theory (Context.Proof _, _) => "in local theory mode"
16815
13d20ed9086c added print_state_hook;
wenzelm
parents: 16729
diff changeset
   161
      | Proof _ => "in proof mode"
13d20ed9086c added print_state_hook;
wenzelm
parents: 16729
diff changeset
   162
      | SkipProof _ => "in skipped proof mode");
5946
a4600d21b59b print_state hook, obeys Goals.current_goals_markers by default;
wenzelm
parents: 5939
diff changeset
   163
a4600d21b59b print_state hook, obeys Goals.current_goals_markers by default;
wenzelm
parents: 5939
diff changeset
   164
5828
1feeadaad6a9 The Isabelle/Isar toplevel.
wenzelm
parents:
diff changeset
   165
(* top node *)
1feeadaad6a9 The Isabelle/Isar toplevel.
wenzelm
parents:
diff changeset
   166
17266
31c23e8f8111 added assert, command;
wenzelm
parents: 17208
diff changeset
   167
fun assert true = ()
31c23e8f8111 added assert, command;
wenzelm
parents: 17208
diff changeset
   168
  | assert false = raise UNDEF;
31c23e8f8111 added assert, command;
wenzelm
parents: 17208
diff changeset
   169
15531
08c8dad8e399 Deleted Library.option type.
skalberg
parents: 15519
diff changeset
   170
fun node_history_of (State NONE) = raise UNDEF
08c8dad8e399 Deleted Library.option type.
skalberg
parents: 15519
diff changeset
   171
  | node_history_of (State (SOME (node, _))) = node;
6689
wenzelm
parents: 6664
diff changeset
   172
wenzelm
parents: 6664
diff changeset
   173
val node_of = History.current o node_history_of;
5828
1feeadaad6a9 The Isabelle/Isar toplevel.
wenzelm
parents:
diff changeset
   174
18589
c27c9fa9e83d hide type datatype node;
wenzelm
parents: 18564
diff changeset
   175
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
   176
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
   177
19063
049c010c8fb7 added cases_node;
wenzelm
parents: 18955
diff changeset
   178
fun node_case f g state = cases_node f g (node_of state);
5828
1feeadaad6a9 The Isabelle/Isar toplevel.
wenzelm
parents:
diff changeset
   179
20963
a7fd8f05a2be added type global_theory -- theory or local_theory;
wenzelm
parents: 20928
diff changeset
   180
val context_of = node_case I (Context.Proof o Proof.context_of);
a7fd8f05a2be added type global_theory -- theory or local_theory;
wenzelm
parents: 20928
diff changeset
   181
val theory_of = node_case Context.theory_of Proof.theory_of;
18589
c27c9fa9e83d hide type datatype node;
wenzelm
parents: 18564
diff changeset
   182
val proof_of = node_case (fn _ => raise UNDEF) I;
17208
49bc1bdc7b6e added no_body_context;
wenzelm
parents: 17115
diff changeset
   183
18589
c27c9fa9e83d hide type datatype node;
wenzelm
parents: 18564
diff changeset
   184
fun proof_position_of state =
c27c9fa9e83d hide type datatype node;
wenzelm
parents: 18564
diff changeset
   185
  (case node_of state of
c27c9fa9e83d hide type datatype node;
wenzelm
parents: 18564
diff changeset
   186
    Proof (prf, _) => ProofHistory.position prf
c27c9fa9e83d hide type datatype node;
wenzelm
parents: 18564
diff changeset
   187
  | _ => raise UNDEF);
6664
f679ddd1ddd8 cleaned comments;
wenzelm
parents: 6244
diff changeset
   188
21007
1bbb31aaf98d renamed enter_forward_proof to enter_proof_body;
wenzelm
parents: 20985
diff changeset
   189
val enter_proof_body = node_case (Proof.init o Context.proof_of) Proof.enter_forward;
5828
1feeadaad6a9 The Isabelle/Isar toplevel.
wenzelm
parents:
diff changeset
   190
1feeadaad6a9 The Isabelle/Isar toplevel.
wenzelm
parents:
diff changeset
   191
16815
13d20ed9086c added print_state_hook;
wenzelm
parents: 16729
diff changeset
   192
(* prompt state *)
13d20ed9086c added print_state_hook;
wenzelm
parents: 16729
diff changeset
   193
13d20ed9086c added print_state_hook;
wenzelm
parents: 16729
diff changeset
   194
fun prompt_state_default (State _) = Source.default_prompt;
13d20ed9086c added print_state_hook;
wenzelm
parents: 16729
diff changeset
   195
13d20ed9086c added print_state_hook;
wenzelm
parents: 16729
diff changeset
   196
val prompt_state_fn = ref prompt_state_default;
13d20ed9086c added print_state_hook;
wenzelm
parents: 16729
diff changeset
   197
fun prompt_state state = ! prompt_state_fn state;
13d20ed9086c added print_state_hook;
wenzelm
parents: 16729
diff changeset
   198
13d20ed9086c added print_state_hook;
wenzelm
parents: 16729
diff changeset
   199
13d20ed9086c added print_state_hook;
wenzelm
parents: 16729
diff changeset
   200
(* print state *)
13d20ed9086c added print_state_hook;
wenzelm
parents: 16729
diff changeset
   201
20963
a7fd8f05a2be added type global_theory -- theory or local_theory;
wenzelm
parents: 20928
diff changeset
   202
val pretty_context = LocalTheory.pretty o Context.cases (TheoryTarget.init NONE) I;
16815
13d20ed9086c added print_state_hook;
wenzelm
parents: 16729
diff changeset
   203
13d20ed9086c added print_state_hook;
wenzelm
parents: 16729
diff changeset
   204
fun pretty_state_context state =
20963
a7fd8f05a2be added type global_theory -- theory or local_theory;
wenzelm
parents: 20928
diff changeset
   205
  (case try context_of state of NONE => []
a7fd8f05a2be added type global_theory -- theory or local_theory;
wenzelm
parents: 20928
diff changeset
   206
  | SOME gthy => pretty_context gthy);
16815
13d20ed9086c added print_state_hook;
wenzelm
parents: 16729
diff changeset
   207
20963
a7fd8f05a2be added type global_theory -- theory or local_theory;
wenzelm
parents: 20928
diff changeset
   208
fun pretty_node prf_only (Theory (gthy, _)) = if prf_only then [] else pretty_context gthy
18563
wenzelm
parents: 17904
diff changeset
   209
  | pretty_node _ (Proof (prf, _)) =
16815
13d20ed9086c added print_state_hook;
wenzelm
parents: 16729
diff changeset
   210
      Proof.pretty_state (ProofHistory.position prf) (ProofHistory.current prf)
21007
1bbb31aaf98d renamed enter_forward_proof to enter_proof_body;
wenzelm
parents: 20985
diff changeset
   211
  | pretty_node _ (SkipProof (h, _)) =
16815
13d20ed9086c added print_state_hook;
wenzelm
parents: 16729
diff changeset
   212
      [Pretty.str ("skipped proof: depth " ^ string_of_int (History.current h))];
13d20ed9086c added print_state_hook;
wenzelm
parents: 16729
diff changeset
   213
13d20ed9086c added print_state_hook;
wenzelm
parents: 16729
diff changeset
   214
fun pretty_state prf_only state =
13d20ed9086c added print_state_hook;
wenzelm
parents: 16729
diff changeset
   215
  let val ref (begin_state, end_state, _) = Display.current_goals_markers in
13d20ed9086c added print_state_hook;
wenzelm
parents: 16729
diff changeset
   216
    (case try node_of state of NONE => []
13d20ed9086c added print_state_hook;
wenzelm
parents: 16729
diff changeset
   217
    | SOME node =>
13d20ed9086c added print_state_hook;
wenzelm
parents: 16729
diff changeset
   218
        (if begin_state = "" then [] else [Pretty.str begin_state]) @
13d20ed9086c added print_state_hook;
wenzelm
parents: 16729
diff changeset
   219
        pretty_node prf_only node @
13d20ed9086c added print_state_hook;
wenzelm
parents: 16729
diff changeset
   220
        (if end_state = "" then [] else [Pretty.str end_state]))
13d20ed9086c added print_state_hook;
wenzelm
parents: 16729
diff changeset
   221
  end;
13d20ed9086c added print_state_hook;
wenzelm
parents: 16729
diff changeset
   222
13d20ed9086c added print_state_hook;
wenzelm
parents: 16729
diff changeset
   223
val print_state_context = Pretty.writelns o pretty_state_context;
13d20ed9086c added print_state_hook;
wenzelm
parents: 16729
diff changeset
   224
fun print_state_default prf_only state = Pretty.writelns (pretty_state prf_only state);
13d20ed9086c added print_state_hook;
wenzelm
parents: 16729
diff changeset
   225
13d20ed9086c added print_state_hook;
wenzelm
parents: 16729
diff changeset
   226
val print_state_hooks = ref ([]: (bool -> state -> unit) list);
13d20ed9086c added print_state_hook;
wenzelm
parents: 16729
diff changeset
   227
fun print_state_hook f = change print_state_hooks (cons f);
13d20ed9086c added print_state_hook;
wenzelm
parents: 16729
diff changeset
   228
val print_state_fn = ref print_state_default;
13d20ed9086c added print_state_hook;
wenzelm
parents: 16729
diff changeset
   229
13d20ed9086c added print_state_hook;
wenzelm
parents: 16729
diff changeset
   230
fun print_state prf_only state =
13d20ed9086c added print_state_hook;
wenzelm
parents: 16729
diff changeset
   231
 (List.app (fn f => (try (fn () => f prf_only state) (); ())) (! print_state_hooks);
13d20ed9086c added print_state_hook;
wenzelm
parents: 16729
diff changeset
   232
  ! print_state_fn prf_only state);
13d20ed9086c added print_state_hook;
wenzelm
parents: 16729
diff changeset
   233
13d20ed9086c added print_state_hook;
wenzelm
parents: 16729
diff changeset
   234
15668
53c049a365cf improved exn_message;
wenzelm
parents: 15633
diff changeset
   235
5828
1feeadaad6a9 The Isabelle/Isar toplevel.
wenzelm
parents:
diff changeset
   236
(** toplevel transitions **)
1feeadaad6a9 The Isabelle/Isar toplevel.
wenzelm
parents:
diff changeset
   237
16682
wenzelm
parents: 16658
diff changeset
   238
val quiet = ref false;
wenzelm
parents: 16658
diff changeset
   239
val debug = ref false;
17321
227f1f5c3959 added interact flag to control mode of excursions;
wenzelm
parents: 17320
diff changeset
   240
val interact = ref false;
16682
wenzelm
parents: 16658
diff changeset
   241
val timing = Output.timing;
wenzelm
parents: 16658
diff changeset
   242
val profiling = ref 0;
16815
13d20ed9086c added print_state_hook;
wenzelm
parents: 16729
diff changeset
   243
val skip_proofs = ref false;
16682
wenzelm
parents: 16658
diff changeset
   244
5828
1feeadaad6a9 The Isabelle/Isar toplevel.
wenzelm
parents:
diff changeset
   245
exception TERMINATE;
5990
8b6de9bd7d72 added exception RESTART;
wenzelm
parents: 5946
diff changeset
   246
exception RESTART;
7022
abf9d5e2fb6e removed BREAK, ROLLBACK;
wenzelm
parents: 6971
diff changeset
   247
exception EXCURSION_FAIL of exn * string;
6689
wenzelm
parents: 6664
diff changeset
   248
exception FAILURE of state * exn;
5828
1feeadaad6a9 The Isabelle/Isar toplevel.
wenzelm
parents:
diff changeset
   249
20128
8f0e07d7cf92 keep/transaction: unified execution model (with debugging etc.);
wenzelm
parents: 19996
diff changeset
   250
8f0e07d7cf92 keep/transaction: unified execution model (with debugging etc.);
wenzelm
parents: 19996
diff changeset
   251
(* print exceptions *)
8f0e07d7cf92 keep/transaction: unified execution model (with debugging etc.);
wenzelm
parents: 19996
diff changeset
   252
8f0e07d7cf92 keep/transaction: unified execution model (with debugging etc.);
wenzelm
parents: 19996
diff changeset
   253
local
8f0e07d7cf92 keep/transaction: unified execution model (with debugging etc.);
wenzelm
parents: 19996
diff changeset
   254
8f0e07d7cf92 keep/transaction: unified execution model (with debugging etc.);
wenzelm
parents: 19996
diff changeset
   255
fun with_context f xs =
8f0e07d7cf92 keep/transaction: unified execution model (with debugging etc.);
wenzelm
parents: 19996
diff changeset
   256
  (case Context.get_context () of NONE => []
8f0e07d7cf92 keep/transaction: unified execution model (with debugging etc.);
wenzelm
parents: 19996
diff changeset
   257
  | SOME thy => map (f thy) xs);
8f0e07d7cf92 keep/transaction: unified execution model (with debugging etc.);
wenzelm
parents: 19996
diff changeset
   258
8f0e07d7cf92 keep/transaction: unified execution model (with debugging etc.);
wenzelm
parents: 19996
diff changeset
   259
fun raised name [] = "exception " ^ name ^ " raised"
8f0e07d7cf92 keep/transaction: unified execution model (with debugging etc.);
wenzelm
parents: 19996
diff changeset
   260
  | raised name [msg] = "exception " ^ name ^ " raised: " ^ msg
8f0e07d7cf92 keep/transaction: unified execution model (with debugging etc.);
wenzelm
parents: 19996
diff changeset
   261
  | raised name msgs = cat_lines (("exception " ^ name ^ " raised:") :: msgs);
8f0e07d7cf92 keep/transaction: unified execution model (with debugging etc.);
wenzelm
parents: 19996
diff changeset
   262
8f0e07d7cf92 keep/transaction: unified execution model (with debugging etc.);
wenzelm
parents: 19996
diff changeset
   263
fun exn_msg _ TERMINATE = "Exit."
8f0e07d7cf92 keep/transaction: unified execution model (with debugging etc.);
wenzelm
parents: 19996
diff changeset
   264
  | exn_msg _ RESTART = "Restart."
8f0e07d7cf92 keep/transaction: unified execution model (with debugging etc.);
wenzelm
parents: 19996
diff changeset
   265
  | exn_msg _ Interrupt = "Interrupt."
8f0e07d7cf92 keep/transaction: unified execution model (with debugging etc.);
wenzelm
parents: 19996
diff changeset
   266
  | exn_msg _ Output.TOPLEVEL_ERROR = "Error."
8f0e07d7cf92 keep/transaction: unified execution model (with debugging etc.);
wenzelm
parents: 19996
diff changeset
   267
  | exn_msg _ (SYS_ERROR msg) = "## SYSTEM ERROR ##\n" ^ msg
8f0e07d7cf92 keep/transaction: unified execution model (with debugging etc.);
wenzelm
parents: 19996
diff changeset
   268
  | exn_msg _ (ERROR msg) = msg
8f0e07d7cf92 keep/transaction: unified execution model (with debugging etc.);
wenzelm
parents: 19996
diff changeset
   269
  | exn_msg detailed (EXCEPTION (exn, msg)) = cat_lines [exn_msg detailed exn, msg]
8f0e07d7cf92 keep/transaction: unified execution model (with debugging etc.);
wenzelm
parents: 19996
diff changeset
   270
  | exn_msg detailed (EXCURSION_FAIL (exn, msg)) = cat_lines [exn_msg detailed exn, msg]
8f0e07d7cf92 keep/transaction: unified execution model (with debugging etc.);
wenzelm
parents: 19996
diff changeset
   271
  | exn_msg false (THEORY (msg, _)) = msg
8f0e07d7cf92 keep/transaction: unified execution model (with debugging etc.);
wenzelm
parents: 19996
diff changeset
   272
  | exn_msg true (THEORY (msg, thys)) = raised "THEORY" (msg :: map Context.str_of_thy thys)
8f0e07d7cf92 keep/transaction: unified execution model (with debugging etc.);
wenzelm
parents: 19996
diff changeset
   273
  | exn_msg detailed (MetaSimplifier.SIMPROC_FAIL (name, exn)) =
8f0e07d7cf92 keep/transaction: unified execution model (with debugging etc.);
wenzelm
parents: 19996
diff changeset
   274
      fail_msg detailed "simproc" ((name, Position.none), exn)
8f0e07d7cf92 keep/transaction: unified execution model (with debugging etc.);
wenzelm
parents: 19996
diff changeset
   275
  | exn_msg detailed (Attrib.ATTRIB_FAIL info) = fail_msg detailed "attribute" info
8f0e07d7cf92 keep/transaction: unified execution model (with debugging etc.);
wenzelm
parents: 19996
diff changeset
   276
  | exn_msg detailed (Method.METHOD_FAIL info) = fail_msg detailed "method" info
8f0e07d7cf92 keep/transaction: unified execution model (with debugging etc.);
wenzelm
parents: 19996
diff changeset
   277
  | exn_msg detailed (Antiquote.ANTIQUOTE_FAIL info) = fail_msg detailed "antiquotation" info
8f0e07d7cf92 keep/transaction: unified execution model (with debugging etc.);
wenzelm
parents: 19996
diff changeset
   278
  | exn_msg false (Syntax.AST (msg, _)) = raised "AST" [msg]
8f0e07d7cf92 keep/transaction: unified execution model (with debugging etc.);
wenzelm
parents: 19996
diff changeset
   279
  | exn_msg true (Syntax.AST (msg, asts)) =
8f0e07d7cf92 keep/transaction: unified execution model (with debugging etc.);
wenzelm
parents: 19996
diff changeset
   280
      raised "AST" (msg :: map (Pretty.string_of o Syntax.pretty_ast) asts)
8f0e07d7cf92 keep/transaction: unified execution model (with debugging etc.);
wenzelm
parents: 19996
diff changeset
   281
  | exn_msg false (TYPE (msg, _, _)) = raised "TYPE" [msg]
8f0e07d7cf92 keep/transaction: unified execution model (with debugging etc.);
wenzelm
parents: 19996
diff changeset
   282
  | exn_msg true (TYPE (msg, Ts, ts)) = raised "TYPE" (msg ::
8f0e07d7cf92 keep/transaction: unified execution model (with debugging etc.);
wenzelm
parents: 19996
diff changeset
   283
        with_context Sign.string_of_typ Ts @ with_context Sign.string_of_term ts)
8f0e07d7cf92 keep/transaction: unified execution model (with debugging etc.);
wenzelm
parents: 19996
diff changeset
   284
  | exn_msg false (TERM (msg, _)) = raised "TERM" [msg]
8f0e07d7cf92 keep/transaction: unified execution model (with debugging etc.);
wenzelm
parents: 19996
diff changeset
   285
  | exn_msg true (TERM (msg, ts)) = raised "TERM" (msg :: with_context Sign.string_of_term ts)
8f0e07d7cf92 keep/transaction: unified execution model (with debugging etc.);
wenzelm
parents: 19996
diff changeset
   286
  | exn_msg false (THM (msg, _, _)) = raised "THM" [msg]
8f0e07d7cf92 keep/transaction: unified execution model (with debugging etc.);
wenzelm
parents: 19996
diff changeset
   287
  | exn_msg true (THM (msg, i, thms)) =
8f0e07d7cf92 keep/transaction: unified execution model (with debugging etc.);
wenzelm
parents: 19996
diff changeset
   288
      raised ("THM " ^ string_of_int i) (msg :: map Display.string_of_thm thms)
8f0e07d7cf92 keep/transaction: unified execution model (with debugging etc.);
wenzelm
parents: 19996
diff changeset
   289
  | exn_msg _ Option.Option = raised "Option" []
8f0e07d7cf92 keep/transaction: unified execution model (with debugging etc.);
wenzelm
parents: 19996
diff changeset
   290
  | exn_msg _ Library.UnequalLengths = raised "UnequalLengths" []
8f0e07d7cf92 keep/transaction: unified execution model (with debugging etc.);
wenzelm
parents: 19996
diff changeset
   291
  | exn_msg _ Empty = raised "Empty" []
8f0e07d7cf92 keep/transaction: unified execution model (with debugging etc.);
wenzelm
parents: 19996
diff changeset
   292
  | exn_msg _ Subscript = raised "Subscript" []
8f0e07d7cf92 keep/transaction: unified execution model (with debugging etc.);
wenzelm
parents: 19996
diff changeset
   293
  | exn_msg _ (Fail msg) = raised "Fail" [msg]
8f0e07d7cf92 keep/transaction: unified execution model (with debugging etc.);
wenzelm
parents: 19996
diff changeset
   294
  | exn_msg _ exn = General.exnMessage exn
8f0e07d7cf92 keep/transaction: unified execution model (with debugging etc.);
wenzelm
parents: 19996
diff changeset
   295
and fail_msg detailed kind ((name, pos), exn) =
8f0e07d7cf92 keep/transaction: unified execution model (with debugging etc.);
wenzelm
parents: 19996
diff changeset
   296
  "Error in " ^ kind ^ " " ^ quote name ^ Position.str_of pos ^ ":\n" ^ exn_msg detailed exn;
8f0e07d7cf92 keep/transaction: unified execution model (with debugging etc.);
wenzelm
parents: 19996
diff changeset
   297
8f0e07d7cf92 keep/transaction: unified execution model (with debugging etc.);
wenzelm
parents: 19996
diff changeset
   298
in
8f0e07d7cf92 keep/transaction: unified execution model (with debugging etc.);
wenzelm
parents: 19996
diff changeset
   299
8f0e07d7cf92 keep/transaction: unified execution model (with debugging etc.);
wenzelm
parents: 19996
diff changeset
   300
fun exn_message exn = exn_msg (! debug) exn;
8f0e07d7cf92 keep/transaction: unified execution model (with debugging etc.);
wenzelm
parents: 19996
diff changeset
   301
8f0e07d7cf92 keep/transaction: unified execution model (with debugging etc.);
wenzelm
parents: 19996
diff changeset
   302
fun print_exn NONE = ()
8f0e07d7cf92 keep/transaction: unified execution model (with debugging etc.);
wenzelm
parents: 19996
diff changeset
   303
  | print_exn (SOME (exn, s)) = Output.error_msg (cat_lines [exn_message exn, s]);
8f0e07d7cf92 keep/transaction: unified execution model (with debugging etc.);
wenzelm
parents: 19996
diff changeset
   304
8f0e07d7cf92 keep/transaction: unified execution model (with debugging etc.);
wenzelm
parents: 19996
diff changeset
   305
end;
8f0e07d7cf92 keep/transaction: unified execution model (with debugging etc.);
wenzelm
parents: 19996
diff changeset
   306
8f0e07d7cf92 keep/transaction: unified execution model (with debugging etc.);
wenzelm
parents: 19996
diff changeset
   307
8f0e07d7cf92 keep/transaction: unified execution model (with debugging etc.);
wenzelm
parents: 19996
diff changeset
   308
(* controlled execution *)
8f0e07d7cf92 keep/transaction: unified execution model (with debugging etc.);
wenzelm
parents: 19996
diff changeset
   309
8f0e07d7cf92 keep/transaction: unified execution model (with debugging etc.);
wenzelm
parents: 19996
diff changeset
   310
local
8f0e07d7cf92 keep/transaction: unified execution model (with debugging etc.);
wenzelm
parents: 19996
diff changeset
   311
18685
725660906cb3 sane ERROR vs. TOPLEVEL_ERROR handling;
wenzelm
parents: 18664
diff changeset
   312
fun debugging f x =
725660906cb3 sane ERROR vs. TOPLEVEL_ERROR handling;
wenzelm
parents: 18664
diff changeset
   313
  if ! debug then
725660906cb3 sane ERROR vs. TOPLEVEL_ERROR handling;
wenzelm
parents: 18664
diff changeset
   314
    setmp Library.do_transform_failure false
725660906cb3 sane ERROR vs. TOPLEVEL_ERROR handling;
wenzelm
parents: 18664
diff changeset
   315
      exception_trace (fn () => f x)
725660906cb3 sane ERROR vs. TOPLEVEL_ERROR handling;
wenzelm
parents: 18664
diff changeset
   316
  else f x;
725660906cb3 sane ERROR vs. TOPLEVEL_ERROR handling;
wenzelm
parents: 18664
diff changeset
   317
20128
8f0e07d7cf92 keep/transaction: unified execution model (with debugging etc.);
wenzelm
parents: 19996
diff changeset
   318
fun interruptible f x =
8f0e07d7cf92 keep/transaction: unified execution model (with debugging etc.);
wenzelm
parents: 19996
diff changeset
   319
  let val y = ref x
8f0e07d7cf92 keep/transaction: unified execution model (with debugging etc.);
wenzelm
parents: 19996
diff changeset
   320
  in raise_interrupt (fn () => y := f x) (); ! y end;
8f0e07d7cf92 keep/transaction: unified execution model (with debugging etc.);
wenzelm
parents: 19996
diff changeset
   321
8f0e07d7cf92 keep/transaction: unified execution model (with debugging etc.);
wenzelm
parents: 19996
diff changeset
   322
in
8f0e07d7cf92 keep/transaction: unified execution model (with debugging etc.);
wenzelm
parents: 19996
diff changeset
   323
8f0e07d7cf92 keep/transaction: unified execution model (with debugging etc.);
wenzelm
parents: 19996
diff changeset
   324
fun controlled_execution f =
8f0e07d7cf92 keep/transaction: unified execution model (with debugging etc.);
wenzelm
parents: 19996
diff changeset
   325
  f
8f0e07d7cf92 keep/transaction: unified execution model (with debugging etc.);
wenzelm
parents: 19996
diff changeset
   326
  |> debugging
8f0e07d7cf92 keep/transaction: unified execution model (with debugging etc.);
wenzelm
parents: 19996
diff changeset
   327
  |> interruptible
8f0e07d7cf92 keep/transaction: unified execution model (with debugging etc.);
wenzelm
parents: 19996
diff changeset
   328
  |> setmp Output.do_toplevel_errors false;
8f0e07d7cf92 keep/transaction: unified execution model (with debugging etc.);
wenzelm
parents: 19996
diff changeset
   329
8f0e07d7cf92 keep/transaction: unified execution model (with debugging etc.);
wenzelm
parents: 19996
diff changeset
   330
fun program f =
8f0e07d7cf92 keep/transaction: unified execution model (with debugging etc.);
wenzelm
parents: 19996
diff changeset
   331
  Output.ML_errors (fn () => debugging f () handle exn => error (exn_message exn)) ();
8f0e07d7cf92 keep/transaction: unified execution model (with debugging etc.);
wenzelm
parents: 19996
diff changeset
   332
8f0e07d7cf92 keep/transaction: unified execution model (with debugging etc.);
wenzelm
parents: 19996
diff changeset
   333
end;
8f0e07d7cf92 keep/transaction: unified execution model (with debugging etc.);
wenzelm
parents: 19996
diff changeset
   334
5828
1feeadaad6a9 The Isabelle/Isar toplevel.
wenzelm
parents:
diff changeset
   335
16815
13d20ed9086c added print_state_hook;
wenzelm
parents: 16729
diff changeset
   336
(* node transactions and recovery from stale theories *)
6689
wenzelm
parents: 6664
diff changeset
   337
16815
13d20ed9086c added print_state_hook;
wenzelm
parents: 16729
diff changeset
   338
(*NB: proof commands should be non-destructive!*)
7022
abf9d5e2fb6e removed BREAK, ROLLBACK;
wenzelm
parents: 6971
diff changeset
   339
6689
wenzelm
parents: 6664
diff changeset
   340
local
wenzelm
parents: 6664
diff changeset
   341
16452
71f3e0041f14 Context.DATA_FAIL;
wenzelm
parents: 16197
diff changeset
   342
fun is_stale state = Context.is_stale (theory_of state) handle UNDEF => false;
6689
wenzelm
parents: 6664
diff changeset
   343
18685
725660906cb3 sane ERROR vs. TOPLEVEL_ERROR handling;
wenzelm
parents: 18664
diff changeset
   344
val stale_theory = ERROR "Stale theory encountered after succesful execution!";
16815
13d20ed9086c added print_state_hook;
wenzelm
parents: 16729
diff changeset
   345
20963
a7fd8f05a2be added type global_theory -- theory or local_theory;
wenzelm
parents: 20928
diff changeset
   346
fun checkpoint_node (Theory (gthy, _)) = Theory
a7fd8f05a2be added type global_theory -- theory or local_theory;
wenzelm
parents: 20928
diff changeset
   347
      (Context.mapping Theory.checkpoint (LocalTheory.raw_theory Theory.checkpoint) gthy, NONE)
18592
451d622bb4a9 transactions now always see quasi-functional intermediate checkpoint;
wenzelm
parents: 18589
diff changeset
   348
  | checkpoint_node node = node;
6689
wenzelm
parents: 6664
diff changeset
   349
15531
08c8dad8e399 Deleted Library.option type.
skalberg
parents: 15519
diff changeset
   350
fun return (result, NONE) = result
08c8dad8e399 Deleted Library.option type.
skalberg
parents: 15519
diff changeset
   351
  | return (result, SOME exn) = raise FAILURE (result, exn);
7022
abf9d5e2fb6e removed BREAK, ROLLBACK;
wenzelm
parents: 6971
diff changeset
   352
6689
wenzelm
parents: 6664
diff changeset
   353
in
wenzelm
parents: 6664
diff changeset
   354
20128
8f0e07d7cf92 keep/transaction: unified execution model (with debugging etc.);
wenzelm
parents: 19996
diff changeset
   355
fun transaction hist f (node, term) =
8f0e07d7cf92 keep/transaction: unified execution model (with debugging etc.);
wenzelm
parents: 19996
diff changeset
   356
  let
8f0e07d7cf92 keep/transaction: unified execution model (with debugging etc.);
wenzelm
parents: 19996
diff changeset
   357
    val cont_node = History.map checkpoint_node node;
20963
a7fd8f05a2be added type global_theory -- theory or local_theory;
wenzelm
parents: 20928
diff changeset
   358
    val back_node = History.map checkpoint_node cont_node;
20128
8f0e07d7cf92 keep/transaction: unified execution model (with debugging etc.);
wenzelm
parents: 19996
diff changeset
   359
    fun state nd = State (SOME (nd, term));
8f0e07d7cf92 keep/transaction: unified execution model (with debugging etc.);
wenzelm
parents: 19996
diff changeset
   360
    fun normal_state nd = (state nd, NONE);
8f0e07d7cf92 keep/transaction: unified execution model (with debugging etc.);
wenzelm
parents: 19996
diff changeset
   361
    fun error_state nd exn = (state nd, SOME exn);
6689
wenzelm
parents: 6664
diff changeset
   362
20128
8f0e07d7cf92 keep/transaction: unified execution model (with debugging etc.);
wenzelm
parents: 19996
diff changeset
   363
    val (result, err) =
8f0e07d7cf92 keep/transaction: unified execution model (with debugging etc.);
wenzelm
parents: 19996
diff changeset
   364
      cont_node
8f0e07d7cf92 keep/transaction: unified execution model (with debugging etc.);
wenzelm
parents: 19996
diff changeset
   365
      |> (f
20963
a7fd8f05a2be added type global_theory -- theory or local_theory;
wenzelm
parents: 20928
diff changeset
   366
          |> (if hist then History.apply_copy checkpoint_node else History.map)
20128
8f0e07d7cf92 keep/transaction: unified execution model (with debugging etc.);
wenzelm
parents: 19996
diff changeset
   367
          |> controlled_execution)
8f0e07d7cf92 keep/transaction: unified execution model (with debugging etc.);
wenzelm
parents: 19996
diff changeset
   368
      |> normal_state
8f0e07d7cf92 keep/transaction: unified execution model (with debugging etc.);
wenzelm
parents: 19996
diff changeset
   369
      handle exn => error_state cont_node exn;
8f0e07d7cf92 keep/transaction: unified execution model (with debugging etc.);
wenzelm
parents: 19996
diff changeset
   370
  in
8f0e07d7cf92 keep/transaction: unified execution model (with debugging etc.);
wenzelm
parents: 19996
diff changeset
   371
    if is_stale result
8f0e07d7cf92 keep/transaction: unified execution model (with debugging etc.);
wenzelm
parents: 19996
diff changeset
   372
    then return (error_state back_node (the_default stale_theory err))
8f0e07d7cf92 keep/transaction: unified execution model (with debugging etc.);
wenzelm
parents: 19996
diff changeset
   373
    else return (result, err)
8f0e07d7cf92 keep/transaction: unified execution model (with debugging etc.);
wenzelm
parents: 19996
diff changeset
   374
  end;
6689
wenzelm
parents: 6664
diff changeset
   375
18589
c27c9fa9e83d hide type datatype node;
wenzelm
parents: 18564
diff changeset
   376
fun mapping f (State (SOME (node, term))) = State (SOME (History.map f node, term))
c27c9fa9e83d hide type datatype node;
wenzelm
parents: 18564
diff changeset
   377
  | mapping _ state = state;
c27c9fa9e83d hide type datatype node;
wenzelm
parents: 18564
diff changeset
   378
18592
451d622bb4a9 transactions now always see quasi-functional intermediate checkpoint;
wenzelm
parents: 18589
diff changeset
   379
val checkpoint = mapping checkpoint_node;
18589
c27c9fa9e83d hide type datatype node;
wenzelm
parents: 18564
diff changeset
   380
6689
wenzelm
parents: 6664
diff changeset
   381
end;
wenzelm
parents: 6664
diff changeset
   382
wenzelm
parents: 6664
diff changeset
   383
wenzelm
parents: 6664
diff changeset
   384
(* primitive transitions *)
wenzelm
parents: 6664
diff changeset
   385
18563
wenzelm
parents: 17904
diff changeset
   386
(*Note: Recovery from stale theories is provided only for theory-level
18589
c27c9fa9e83d hide type datatype node;
wenzelm
parents: 18564
diff changeset
   387
  operations via Transaction.  Other node or state operations should
c27c9fa9e83d hide type datatype node;
wenzelm
parents: 18564
diff changeset
   388
  not touch theories at all.  Interrupts are enabled only for Keep and
c27c9fa9e83d hide type datatype node;
wenzelm
parents: 18564
diff changeset
   389
  Transaction.*)
5828
1feeadaad6a9 The Isabelle/Isar toplevel.
wenzelm
parents:
diff changeset
   390
1feeadaad6a9 The Isabelle/Isar toplevel.
wenzelm
parents:
diff changeset
   391
datatype trans =
18563
wenzelm
parents: 17904
diff changeset
   392
  Reset |                                               (*empty toplevel*)
8465
df6549f5a01f eliminated toplevel stack;
wenzelm
parents: 7732
diff changeset
   393
  Init of (bool -> node) * ((node -> unit) * (node -> unit)) |
18563
wenzelm
parents: 17904
diff changeset
   394
                                                        (*init node; with exit/kill operation*)
wenzelm
parents: 17904
diff changeset
   395
  Exit |                                                (*conclude node*)
wenzelm
parents: 17904
diff changeset
   396
  Kill |                                                (*abort node*)
20128
8f0e07d7cf92 keep/transaction: unified execution model (with debugging etc.);
wenzelm
parents: 19996
diff changeset
   397
  History of node History.T -> node History.T |         (*history operation (undo etc.)*)
18563
wenzelm
parents: 17904
diff changeset
   398
  Keep of bool -> state -> unit |                       (*peek at state*)
18592
451d622bb4a9 transactions now always see quasi-functional intermediate checkpoint;
wenzelm
parents: 18589
diff changeset
   399
  Transaction of bool * (bool -> node -> node);         (*node transaction*)
6689
wenzelm
parents: 6664
diff changeset
   400
15531
08c8dad8e399 Deleted Library.option type.
skalberg
parents: 15519
diff changeset
   401
fun undo_limit int = if int then NONE else SOME 0;
6689
wenzelm
parents: 6664
diff changeset
   402
wenzelm
parents: 6664
diff changeset
   403
local
5828
1feeadaad6a9 The Isabelle/Isar toplevel.
wenzelm
parents:
diff changeset
   404
6689
wenzelm
parents: 6664
diff changeset
   405
fun apply_tr _ Reset _ = toplevel
15531
08c8dad8e399 Deleted Library.option type.
skalberg
parents: 15519
diff changeset
   406
  | apply_tr int (Init (f, term)) (State NONE) =
08c8dad8e399 Deleted Library.option type.
skalberg
parents: 15519
diff changeset
   407
      State (SOME (History.init (undo_limit int) (f int), term))
08c8dad8e399 Deleted Library.option type.
skalberg
parents: 15519
diff changeset
   408
  | apply_tr _ (Init _ ) (State (SOME _)) = raise UNDEF
08c8dad8e399 Deleted Library.option type.
skalberg
parents: 15519
diff changeset
   409
  | apply_tr _ Exit (State NONE) = raise UNDEF
08c8dad8e399 Deleted Library.option type.
skalberg
parents: 15519
diff changeset
   410
  | apply_tr _ Exit (State (SOME (node, (exit, _)))) =
08c8dad8e399 Deleted Library.option type.
skalberg
parents: 15519
diff changeset
   411
      (exit (History.current node); State NONE)
08c8dad8e399 Deleted Library.option type.
skalberg
parents: 15519
diff changeset
   412
  | apply_tr _ Kill (State NONE) = raise UNDEF
08c8dad8e399 Deleted Library.option type.
skalberg
parents: 15519
diff changeset
   413
  | apply_tr _ Kill (State (SOME (node, (_, kill)))) =
08c8dad8e399 Deleted Library.option type.
skalberg
parents: 15519
diff changeset
   414
      (kill (History.current node); State NONE)
08c8dad8e399 Deleted Library.option type.
skalberg
parents: 15519
diff changeset
   415
  | apply_tr _ (History _) (State NONE) = raise UNDEF
08c8dad8e399 Deleted Library.option type.
skalberg
parents: 15519
diff changeset
   416
  | apply_tr _ (History f) (State (SOME (node, term))) = State (SOME (f node, term))
20128
8f0e07d7cf92 keep/transaction: unified execution model (with debugging etc.);
wenzelm
parents: 19996
diff changeset
   417
  | apply_tr int (Keep f) state =
8f0e07d7cf92 keep/transaction: unified execution model (with debugging etc.);
wenzelm
parents: 19996
diff changeset
   418
      controlled_execution (fn x => tap (f int) x) state
8f0e07d7cf92 keep/transaction: unified execution model (with debugging etc.);
wenzelm
parents: 19996
diff changeset
   419
  | apply_tr _ (Transaction _) (State NONE) = raise UNDEF
8f0e07d7cf92 keep/transaction: unified execution model (with debugging etc.);
wenzelm
parents: 19996
diff changeset
   420
  | apply_tr int (Transaction (hist, f)) (State (SOME state)) =
8f0e07d7cf92 keep/transaction: unified execution model (with debugging etc.);
wenzelm
parents: 19996
diff changeset
   421
      transaction hist (fn x => f int x) state;
5828
1feeadaad6a9 The Isabelle/Isar toplevel.
wenzelm
parents:
diff changeset
   422
6689
wenzelm
parents: 6664
diff changeset
   423
fun apply_union _ [] state = raise FAILURE (state, UNDEF)
wenzelm
parents: 6664
diff changeset
   424
  | apply_union int (tr :: trs) state =
18685
725660906cb3 sane ERROR vs. TOPLEVEL_ERROR handling;
wenzelm
parents: 18664
diff changeset
   425
      apply_tr int tr state
6689
wenzelm
parents: 6664
diff changeset
   426
        handle UNDEF => apply_union int trs state
wenzelm
parents: 6664
diff changeset
   427
          | FAILURE (alt_state, UNDEF) => apply_union int trs alt_state
wenzelm
parents: 6664
diff changeset
   428
          | exn as FAILURE _ => raise exn
wenzelm
parents: 6664
diff changeset
   429
          | exn => raise FAILURE (state, exn);
wenzelm
parents: 6664
diff changeset
   430
wenzelm
parents: 6664
diff changeset
   431
in
wenzelm
parents: 6664
diff changeset
   432
15531
08c8dad8e399 Deleted Library.option type.
skalberg
parents: 15519
diff changeset
   433
fun apply_trans int trs state = (apply_union int trs state, NONE)
08c8dad8e399 Deleted Library.option type.
skalberg
parents: 15519
diff changeset
   434
  handle FAILURE (alt_state, exn) => (alt_state, SOME exn) | exn => (state, SOME exn);
6689
wenzelm
parents: 6664
diff changeset
   435
wenzelm
parents: 6664
diff changeset
   436
end;
5828
1feeadaad6a9 The Isabelle/Isar toplevel.
wenzelm
parents:
diff changeset
   437
1feeadaad6a9 The Isabelle/Isar toplevel.
wenzelm
parents:
diff changeset
   438
1feeadaad6a9 The Isabelle/Isar toplevel.
wenzelm
parents:
diff changeset
   439
(* datatype transition *)
1feeadaad6a9 The Isabelle/Isar toplevel.
wenzelm
parents:
diff changeset
   440
1feeadaad6a9 The Isabelle/Isar toplevel.
wenzelm
parents:
diff changeset
   441
datatype transition = Transition of
16815
13d20ed9086c added print_state_hook;
wenzelm
parents: 16729
diff changeset
   442
 {name: string,                        (*command name*)
13d20ed9086c added print_state_hook;
wenzelm
parents: 16729
diff changeset
   443
  pos: Position.T,                     (*source position*)
13d20ed9086c added print_state_hook;
wenzelm
parents: 16729
diff changeset
   444
  source: OuterLex.token list option,  (*source text*)
13d20ed9086c added print_state_hook;
wenzelm
parents: 16729
diff changeset
   445
  int_only: bool,                      (*interactive-only*)
13d20ed9086c added print_state_hook;
wenzelm
parents: 16729
diff changeset
   446
  print: string list,                  (*print modes (union)*)
13d20ed9086c added print_state_hook;
wenzelm
parents: 16729
diff changeset
   447
  no_timing: bool,                     (*suppress timing*)
13d20ed9086c added print_state_hook;
wenzelm
parents: 16729
diff changeset
   448
  trans: trans list};                  (*primitive transitions (union)*)
5828
1feeadaad6a9 The Isabelle/Isar toplevel.
wenzelm
parents:
diff changeset
   449
14923
8a32071c3c13 added name_of, source_of, source;
wenzelm
parents: 14825
diff changeset
   450
fun make_transition (name, pos, source, int_only, print, no_timing, trans) =
8a32071c3c13 added name_of, source_of, source;
wenzelm
parents: 14825
diff changeset
   451
  Transition {name = name, pos = pos, source = source,
8a32071c3c13 added name_of, source_of, source;
wenzelm
parents: 14825
diff changeset
   452
    int_only = int_only, print = print, no_timing = no_timing, trans = trans};
5828
1feeadaad6a9 The Isabelle/Isar toplevel.
wenzelm
parents:
diff changeset
   453
14923
8a32071c3c13 added name_of, source_of, source;
wenzelm
parents: 14825
diff changeset
   454
fun map_transition f (Transition {name, pos, source, int_only, print, no_timing, trans}) =
8a32071c3c13 added name_of, source_of, source;
wenzelm
parents: 14825
diff changeset
   455
  make_transition (f (name, pos, source, int_only, print, no_timing, trans));
5828
1feeadaad6a9 The Isabelle/Isar toplevel.
wenzelm
parents:
diff changeset
   456
16607
81e687c63e29 added print': print depending on print_mode;
wenzelm
parents: 16490
diff changeset
   457
val empty = make_transition ("<unknown>", Position.none, NONE, false, [], false, []);
14923
8a32071c3c13 added name_of, source_of, source;
wenzelm
parents: 14825
diff changeset
   458
8a32071c3c13 added name_of, source_of, source;
wenzelm
parents: 14825
diff changeset
   459
fun name_of (Transition {name, ...}) = name;
8a32071c3c13 added name_of, source_of, source;
wenzelm
parents: 14825
diff changeset
   460
fun source_of (Transition {source, ...}) = source;
5828
1feeadaad6a9 The Isabelle/Isar toplevel.
wenzelm
parents:
diff changeset
   461
1feeadaad6a9 The Isabelle/Isar toplevel.
wenzelm
parents:
diff changeset
   462
1feeadaad6a9 The Isabelle/Isar toplevel.
wenzelm
parents:
diff changeset
   463
(* diagnostics *)
1feeadaad6a9 The Isabelle/Isar toplevel.
wenzelm
parents:
diff changeset
   464
1feeadaad6a9 The Isabelle/Isar toplevel.
wenzelm
parents:
diff changeset
   465
fun str_of_transition (Transition {name, pos, ...}) = quote name ^ Position.str_of pos;
1feeadaad6a9 The Isabelle/Isar toplevel.
wenzelm
parents:
diff changeset
   466
1feeadaad6a9 The Isabelle/Isar toplevel.
wenzelm
parents:
diff changeset
   467
fun command_msg msg tr = msg ^ "command " ^ str_of_transition tr;
1feeadaad6a9 The Isabelle/Isar toplevel.
wenzelm
parents:
diff changeset
   468
fun at_command tr = command_msg "At " tr ^ ".";
1feeadaad6a9 The Isabelle/Isar toplevel.
wenzelm
parents:
diff changeset
   469
1feeadaad6a9 The Isabelle/Isar toplevel.
wenzelm
parents:
diff changeset
   470
fun type_error tr state =
18685
725660906cb3 sane ERROR vs. TOPLEVEL_ERROR handling;
wenzelm
parents: 18664
diff changeset
   471
  ERROR (command_msg "Illegal application of " tr ^ " " ^ str_of_state state);
5828
1feeadaad6a9 The Isabelle/Isar toplevel.
wenzelm
parents:
diff changeset
   472
1feeadaad6a9 The Isabelle/Isar toplevel.
wenzelm
parents:
diff changeset
   473
1feeadaad6a9 The Isabelle/Isar toplevel.
wenzelm
parents:
diff changeset
   474
(* modify transitions *)
1feeadaad6a9 The Isabelle/Isar toplevel.
wenzelm
parents:
diff changeset
   475
14923
8a32071c3c13 added name_of, source_of, source;
wenzelm
parents: 14825
diff changeset
   476
fun name nm = map_transition (fn (_, pos, source, int_only, print, no_timing, trans) =>
8a32071c3c13 added name_of, source_of, source;
wenzelm
parents: 14825
diff changeset
   477
  (nm, pos, source, int_only, print, no_timing, trans));
5828
1feeadaad6a9 The Isabelle/Isar toplevel.
wenzelm
parents:
diff changeset
   478
14923
8a32071c3c13 added name_of, source_of, source;
wenzelm
parents: 14825
diff changeset
   479
fun position pos = map_transition (fn (name, _, source, int_only, print, no_timing, trans) =>
8a32071c3c13 added name_of, source_of, source;
wenzelm
parents: 14825
diff changeset
   480
  (name, pos, source, int_only, print, no_timing, trans));
9010
ce78dc5e1a73 Toplevel.no_timing;
wenzelm
parents: 8999
diff changeset
   481
14923
8a32071c3c13 added name_of, source_of, source;
wenzelm
parents: 14825
diff changeset
   482
fun source src = map_transition (fn (name, pos, _, int_only, print, no_timing, trans) =>
15531
08c8dad8e399 Deleted Library.option type.
skalberg
parents: 15519
diff changeset
   483
  (name, pos, SOME src, int_only, print, no_timing, trans));
5828
1feeadaad6a9 The Isabelle/Isar toplevel.
wenzelm
parents:
diff changeset
   484
14923
8a32071c3c13 added name_of, source_of, source;
wenzelm
parents: 14825
diff changeset
   485
fun interactive int_only = map_transition (fn (name, pos, source, _, print, no_timing, trans) =>
8a32071c3c13 added name_of, source_of, source;
wenzelm
parents: 14825
diff changeset
   486
  (name, pos, source, int_only, print, no_timing, trans));
8a32071c3c13 added name_of, source_of, source;
wenzelm
parents: 14825
diff changeset
   487
17363
046c829c075f added three_buffersN, print3;
wenzelm
parents: 17321
diff changeset
   488
val no_timing = map_transition (fn (name, pos, source, int_only, print, _, trans) =>
046c829c075f added three_buffersN, print3;
wenzelm
parents: 17321
diff changeset
   489
  (name, pos, source, int_only, print, true, trans));
046c829c075f added three_buffersN, print3;
wenzelm
parents: 17321
diff changeset
   490
046c829c075f added three_buffersN, print3;
wenzelm
parents: 17321
diff changeset
   491
fun add_trans tr = map_transition (fn (name, pos, source, int_only, print, no_timing, trans) =>
046c829c075f added three_buffersN, print3;
wenzelm
parents: 17321
diff changeset
   492
  (name, pos, source, int_only, print, no_timing, trans @ [tr]));
046c829c075f added three_buffersN, print3;
wenzelm
parents: 17321
diff changeset
   493
16607
81e687c63e29 added print': print depending on print_mode;
wenzelm
parents: 16490
diff changeset
   494
fun print' mode = map_transition (fn (name, pos, source, int_only, print, no_timing, trans) =>
81e687c63e29 added print': print depending on print_mode;
wenzelm
parents: 16490
diff changeset
   495
  (name, pos, source, int_only, insert (op =) mode print, no_timing, trans));
81e687c63e29 added print': print depending on print_mode;
wenzelm
parents: 16490
diff changeset
   496
81e687c63e29 added print': print depending on print_mode;
wenzelm
parents: 16490
diff changeset
   497
val print = print' "";
5828
1feeadaad6a9 The Isabelle/Isar toplevel.
wenzelm
parents:
diff changeset
   498
17363
046c829c075f added three_buffersN, print3;
wenzelm
parents: 17321
diff changeset
   499
val three_buffersN = "three_buffers";
046c829c075f added three_buffersN, print3;
wenzelm
parents: 17321
diff changeset
   500
val print3 = print' three_buffersN;
5828
1feeadaad6a9 The Isabelle/Isar toplevel.
wenzelm
parents:
diff changeset
   501
1feeadaad6a9 The Isabelle/Isar toplevel.
wenzelm
parents:
diff changeset
   502
21007
1bbb31aaf98d renamed enter_forward_proof to enter_proof_body;
wenzelm
parents: 20985
diff changeset
   503
(* basic transitions *)
5828
1feeadaad6a9 The Isabelle/Isar toplevel.
wenzelm
parents:
diff changeset
   504
1feeadaad6a9 The Isabelle/Isar toplevel.
wenzelm
parents:
diff changeset
   505
val reset = add_trans Reset;
6689
wenzelm
parents: 6664
diff changeset
   506
fun init f exit kill = add_trans (Init (f, (exit, kill)));
wenzelm
parents: 6664
diff changeset
   507
val exit = add_trans Exit;
wenzelm
parents: 6664
diff changeset
   508
val kill = add_trans Kill;
20128
8f0e07d7cf92 keep/transaction: unified execution model (with debugging etc.);
wenzelm
parents: 19996
diff changeset
   509
val history = add_trans o History;
7612
ba11b5db431a added keep', theory';
wenzelm
parents: 7602
diff changeset
   510
val keep' = add_trans o Keep;
18592
451d622bb4a9 transactions now always see quasi-functional intermediate checkpoint;
wenzelm
parents: 18589
diff changeset
   511
fun map_current f = add_trans (Transaction (false, f));
451d622bb4a9 transactions now always see quasi-functional intermediate checkpoint;
wenzelm
parents: 18589
diff changeset
   512
fun app_current f = add_trans (Transaction (true, f));
5828
1feeadaad6a9 The Isabelle/Isar toplevel.
wenzelm
parents:
diff changeset
   513
7612
ba11b5db431a added keep', theory';
wenzelm
parents: 7602
diff changeset
   514
fun keep f = add_trans (Keep (fn _ => f));
5828
1feeadaad6a9 The Isabelle/Isar toplevel.
wenzelm
parents:
diff changeset
   515
fun imperative f = keep (fn _ => f ());
1feeadaad6a9 The Isabelle/Isar toplevel.
wenzelm
parents:
diff changeset
   516
6689
wenzelm
parents: 6664
diff changeset
   517
fun init_theory f exit kill =
20963
a7fd8f05a2be added type global_theory -- theory or local_theory;
wenzelm
parents: 20928
diff changeset
   518
  init (fn int => Theory (Context.Theory (f int), NONE))
a7fd8f05a2be added type global_theory -- theory or local_theory;
wenzelm
parents: 20928
diff changeset
   519
    (fn Theory (Context.Theory thy, _) => exit thy | _ => raise UNDEF)
a7fd8f05a2be added type global_theory -- theory or local_theory;
wenzelm
parents: 20928
diff changeset
   520
    (fn Theory (Context.Theory thy, _) => kill thy | _ => raise UNDEF);
5828
1feeadaad6a9 The Isabelle/Isar toplevel.
wenzelm
parents:
diff changeset
   521
21007
1bbb31aaf98d renamed enter_forward_proof to enter_proof_body;
wenzelm
parents: 20985
diff changeset
   522
val unknown_theory = imperative (fn () => warning "Unknown theory context");
1bbb31aaf98d renamed enter_forward_proof to enter_proof_body;
wenzelm
parents: 20985
diff changeset
   523
val unknown_proof = imperative (fn () => warning "Unknown proof context");
1bbb31aaf98d renamed enter_forward_proof to enter_proof_body;
wenzelm
parents: 20985
diff changeset
   524
val unknown_context = imperative (fn () => warning "Unknown context");
15668
53c049a365cf improved exn_message;
wenzelm
parents: 15633
diff changeset
   525
21007
1bbb31aaf98d renamed enter_forward_proof to enter_proof_body;
wenzelm
parents: 20985
diff changeset
   526
1bbb31aaf98d renamed enter_forward_proof to enter_proof_body;
wenzelm
parents: 20985
diff changeset
   527
(* theory transitions *)
15668
53c049a365cf improved exn_message;
wenzelm
parents: 15633
diff changeset
   528
20963
a7fd8f05a2be added type global_theory -- theory or local_theory;
wenzelm
parents: 20928
diff changeset
   529
fun theory' f = app_current (fn int =>
a7fd8f05a2be added type global_theory -- theory or local_theory;
wenzelm
parents: 20928
diff changeset
   530
  (fn Theory (Context.Theory thy, _) => Theory (Context.Theory (f int thy), NONE)
a7fd8f05a2be added type global_theory -- theory or local_theory;
wenzelm
parents: 20928
diff changeset
   531
    | _ => raise UNDEF));
a7fd8f05a2be added type global_theory -- theory or local_theory;
wenzelm
parents: 20928
diff changeset
   532
a7fd8f05a2be added type global_theory -- theory or local_theory;
wenzelm
parents: 20928
diff changeset
   533
fun theory f = theory' (K f);
a7fd8f05a2be added type global_theory -- theory or local_theory;
wenzelm
parents: 20928
diff changeset
   534
20985
de13e2a23c8e exit_local_theory: pass interactive flag;
wenzelm
parents: 20963
diff changeset
   535
fun begin_local_theory begin f = app_current (fn int =>
20963
a7fd8f05a2be added type global_theory -- theory or local_theory;
wenzelm
parents: 20928
diff changeset
   536
  (fn Theory (Context.Theory thy, _) =>
a7fd8f05a2be added type global_theory -- theory or local_theory;
wenzelm
parents: 20928
diff changeset
   537
        let
20985
de13e2a23c8e exit_local_theory: pass interactive flag;
wenzelm
parents: 20963
diff changeset
   538
          val lthy = f thy;
20963
a7fd8f05a2be added type global_theory -- theory or local_theory;
wenzelm
parents: 20928
diff changeset
   539
          val (ctxt, gthy) =
a7fd8f05a2be added type global_theory -- theory or local_theory;
wenzelm
parents: 20928
diff changeset
   540
            if begin then (lthy, Context.Proof lthy)
20985
de13e2a23c8e exit_local_theory: pass interactive flag;
wenzelm
parents: 20963
diff changeset
   541
            else lthy |> LocalTheory.exit int ||> Context.Theory;
20963
a7fd8f05a2be added type global_theory -- theory or local_theory;
wenzelm
parents: 20928
diff changeset
   542
        in Theory (gthy, SOME ctxt) end
a7fd8f05a2be added type global_theory -- theory or local_theory;
wenzelm
parents: 20928
diff changeset
   543
    | _ => raise UNDEF));
17076
c7effdf2e2e2 state: body context;
wenzelm
parents: 16815
diff changeset
   544
21007
1bbb31aaf98d renamed enter_forward_proof to enter_proof_body;
wenzelm
parents: 20985
diff changeset
   545
val end_local_theory = app_current (fn int =>
1bbb31aaf98d renamed enter_forward_proof to enter_proof_body;
wenzelm
parents: 20985
diff changeset
   546
  (fn Theory (Context.Proof lthy, _) =>
1bbb31aaf98d renamed enter_forward_proof to enter_proof_body;
wenzelm
parents: 20985
diff changeset
   547
      let val (ctxt', thy') = LocalTheory.exit int lthy
1bbb31aaf98d renamed enter_forward_proof to enter_proof_body;
wenzelm
parents: 20985
diff changeset
   548
      in Theory (Context.Theory thy', SOME ctxt') end
1bbb31aaf98d renamed enter_forward_proof to enter_proof_body;
wenzelm
parents: 20985
diff changeset
   549
    | _ => raise UNDEF));
1bbb31aaf98d renamed enter_forward_proof to enter_proof_body;
wenzelm
parents: 20985
diff changeset
   550
1bbb31aaf98d renamed enter_forward_proof to enter_proof_body;
wenzelm
parents: 20985
diff changeset
   551
local
1bbb31aaf98d renamed enter_forward_proof to enter_proof_body;
wenzelm
parents: 20985
diff changeset
   552
20963
a7fd8f05a2be added type global_theory -- theory or local_theory;
wenzelm
parents: 20928
diff changeset
   553
fun local_theory_presentation loc f g = app_current (fn int =>
a7fd8f05a2be added type global_theory -- theory or local_theory;
wenzelm
parents: 20928
diff changeset
   554
  (fn Theory (Context.Theory thy, _) =>
a7fd8f05a2be added type global_theory -- theory or local_theory;
wenzelm
parents: 20928
diff changeset
   555
        let val (ctxt', thy') = TheoryTarget.mapping loc f thy
a7fd8f05a2be added type global_theory -- theory or local_theory;
wenzelm
parents: 20928
diff changeset
   556
        in Theory (Context.Theory thy', SOME ctxt') end
a7fd8f05a2be added type global_theory -- theory or local_theory;
wenzelm
parents: 20928
diff changeset
   557
    | Theory (Context.Proof lthy, _) =>
a7fd8f05a2be added type global_theory -- theory or local_theory;
wenzelm
parents: 20928
diff changeset
   558
        let val (ctxt', lthy') =
a7fd8f05a2be added type global_theory -- theory or local_theory;
wenzelm
parents: 20928
diff changeset
   559
          if is_none loc then f lthy |> (fn lthy' => (lthy', LocalTheory.reinit lthy'))
a7fd8f05a2be added type global_theory -- theory or local_theory;
wenzelm
parents: 20928
diff changeset
   560
          else lthy |> LocalTheory.raw_theory_result (TheoryTarget.mapping loc f)
a7fd8f05a2be added type global_theory -- theory or local_theory;
wenzelm
parents: 20928
diff changeset
   561
        in Theory (Context.Proof lthy', SOME ctxt') end
a7fd8f05a2be added type global_theory -- theory or local_theory;
wenzelm
parents: 20928
diff changeset
   562
    | _ => raise UNDEF) #> tap (g int));
15668
53c049a365cf improved exn_message;
wenzelm
parents: 15633
diff changeset
   563
21007
1bbb31aaf98d renamed enter_forward_proof to enter_proof_body;
wenzelm
parents: 20985
diff changeset
   564
in
1bbb31aaf98d renamed enter_forward_proof to enter_proof_body;
wenzelm
parents: 20985
diff changeset
   565
20963
a7fd8f05a2be added type global_theory -- theory or local_theory;
wenzelm
parents: 20928
diff changeset
   566
fun local_theory loc f = local_theory_presentation loc f (K I);
a7fd8f05a2be added type global_theory -- theory or local_theory;
wenzelm
parents: 20928
diff changeset
   567
fun present_local_theory loc g = local_theory_presentation loc I g;
18955
fa71f2ddd2e8 added local_theory, with optional locale xname;
wenzelm
parents: 18811
diff changeset
   568
21007
1bbb31aaf98d renamed enter_forward_proof to enter_proof_body;
wenzelm
parents: 20985
diff changeset
   569
end;
1bbb31aaf98d renamed enter_forward_proof to enter_proof_body;
wenzelm
parents: 20985
diff changeset
   570
1bbb31aaf98d renamed enter_forward_proof to enter_proof_body;
wenzelm
parents: 20985
diff changeset
   571
1bbb31aaf98d renamed enter_forward_proof to enter_proof_body;
wenzelm
parents: 20985
diff changeset
   572
(* proof transitions *)
1bbb31aaf98d renamed enter_forward_proof to enter_proof_body;
wenzelm
parents: 20985
diff changeset
   573
1bbb31aaf98d renamed enter_forward_proof to enter_proof_body;
wenzelm
parents: 20985
diff changeset
   574
local
1bbb31aaf98d renamed enter_forward_proof to enter_proof_body;
wenzelm
parents: 20985
diff changeset
   575
1bbb31aaf98d renamed enter_forward_proof to enter_proof_body;
wenzelm
parents: 20985
diff changeset
   576
fun begin_proof init finish = app_current (fn int =>
1bbb31aaf98d renamed enter_forward_proof to enter_proof_body;
wenzelm
parents: 20985
diff changeset
   577
  (fn Theory (gthy, _) =>
1bbb31aaf98d renamed enter_forward_proof to enter_proof_body;
wenzelm
parents: 20985
diff changeset
   578
    let 
1bbb31aaf98d renamed enter_forward_proof to enter_proof_body;
wenzelm
parents: 20985
diff changeset
   579
      val prf = init gthy;
19996
a4332e71c1de skip_proofs: do not skip proofs of schematic goals (warning);
wenzelm
parents: 19841
diff changeset
   580
      val schematic = Proof.schematic_goal prf;
a4332e71c1de skip_proofs: do not skip proofs of schematic goals (warning);
wenzelm
parents: 19841
diff changeset
   581
    in
a4332e71c1de skip_proofs: do not skip proofs of schematic goals (warning);
wenzelm
parents: 19841
diff changeset
   582
      if ! skip_proofs andalso schematic then
a4332e71c1de skip_proofs: do not skip proofs of schematic goals (warning);
wenzelm
parents: 19841
diff changeset
   583
        warning "Cannot skip proof of schematic goal statement"
a4332e71c1de skip_proofs: do not skip proofs of schematic goals (warning);
wenzelm
parents: 19841
diff changeset
   584
      else ();
a4332e71c1de skip_proofs: do not skip proofs of schematic goals (warning);
wenzelm
parents: 19841
diff changeset
   585
      if ! skip_proofs andalso not schematic then
21007
1bbb31aaf98d renamed enter_forward_proof to enter_proof_body;
wenzelm
parents: 20985
diff changeset
   586
        SkipProof
1bbb31aaf98d renamed enter_forward_proof to enter_proof_body;
wenzelm
parents: 20985
diff changeset
   587
          (History.init (undo_limit int) 0, (finish gthy (Proof.global_skip_proof int prf), gthy))
1bbb31aaf98d renamed enter_forward_proof to enter_proof_body;
wenzelm
parents: 20985
diff changeset
   588
      else Proof (ProofHistory.init (undo_limit int) prf, (finish gthy, gthy))
19996
a4332e71c1de skip_proofs: do not skip proofs of schematic goals (warning);
wenzelm
parents: 19841
diff changeset
   589
    end
18592
451d622bb4a9 transactions now always see quasi-functional intermediate checkpoint;
wenzelm
parents: 18589
diff changeset
   590
  | _ => raise UNDEF));
18563
wenzelm
parents: 17904
diff changeset
   591
21007
1bbb31aaf98d renamed enter_forward_proof to enter_proof_body;
wenzelm
parents: 20985
diff changeset
   592
val global_finish = Context.Theory o ProofContext.theory_of;
1bbb31aaf98d renamed enter_forward_proof to enter_proof_body;
wenzelm
parents: 20985
diff changeset
   593
val local_finish = Context.Proof o LocalTheory.reinit;
1bbb31aaf98d renamed enter_forward_proof to enter_proof_body;
wenzelm
parents: 20985
diff changeset
   594
1bbb31aaf98d renamed enter_forward_proof to enter_proof_body;
wenzelm
parents: 20985
diff changeset
   595
fun mixed_finish (Context.Theory _) ctxt = global_finish ctxt
1bbb31aaf98d renamed enter_forward_proof to enter_proof_body;
wenzelm
parents: 20985
diff changeset
   596
  | mixed_finish (Context.Proof lthy) ctxt =
1bbb31aaf98d renamed enter_forward_proof to enter_proof_body;
wenzelm
parents: 20985
diff changeset
   597
      Context.Proof (LocalTheory.raw_theory (K (ProofContext.theory_of ctxt)) lthy);
1bbb31aaf98d renamed enter_forward_proof to enter_proof_body;
wenzelm
parents: 20985
diff changeset
   598
1bbb31aaf98d renamed enter_forward_proof to enter_proof_body;
wenzelm
parents: 20985
diff changeset
   599
in
1bbb31aaf98d renamed enter_forward_proof to enter_proof_body;
wenzelm
parents: 20985
diff changeset
   600
1bbb31aaf98d renamed enter_forward_proof to enter_proof_body;
wenzelm
parents: 20985
diff changeset
   601
fun local_theory_to_proof NONE f = begin_proof
1bbb31aaf98d renamed enter_forward_proof to enter_proof_body;
wenzelm
parents: 20985
diff changeset
   602
      (fn Context.Theory thy => f (TheoryTarget.init NONE thy)
1bbb31aaf98d renamed enter_forward_proof to enter_proof_body;
wenzelm
parents: 20985
diff changeset
   603
        | Context.Proof lthy => f lthy)
1bbb31aaf98d renamed enter_forward_proof to enter_proof_body;
wenzelm
parents: 20985
diff changeset
   604
      (fn Context.Theory _ => global_finish
1bbb31aaf98d renamed enter_forward_proof to enter_proof_body;
wenzelm
parents: 20985
diff changeset
   605
        | Context.Proof _ => local_finish)
1bbb31aaf98d renamed enter_forward_proof to enter_proof_body;
wenzelm
parents: 20985
diff changeset
   606
  | local_theory_to_proof loc f =
1bbb31aaf98d renamed enter_forward_proof to enter_proof_body;
wenzelm
parents: 20985
diff changeset
   607
      begin_proof (f o TheoryTarget.init loc o Context.theory_of) mixed_finish;
1bbb31aaf98d renamed enter_forward_proof to enter_proof_body;
wenzelm
parents: 20985
diff changeset
   608
1bbb31aaf98d renamed enter_forward_proof to enter_proof_body;
wenzelm
parents: 20985
diff changeset
   609
fun theory_to_proof f =
1bbb31aaf98d renamed enter_forward_proof to enter_proof_body;
wenzelm
parents: 20985
diff changeset
   610
  begin_proof (fn Context.Theory thy => f thy | _ => raise UNDEF) (K global_finish);
1bbb31aaf98d renamed enter_forward_proof to enter_proof_body;
wenzelm
parents: 20985
diff changeset
   611
1bbb31aaf98d renamed enter_forward_proof to enter_proof_body;
wenzelm
parents: 20985
diff changeset
   612
end;
1bbb31aaf98d renamed enter_forward_proof to enter_proof_body;
wenzelm
parents: 20985
diff changeset
   613
1bbb31aaf98d renamed enter_forward_proof to enter_proof_body;
wenzelm
parents: 20985
diff changeset
   614
fun end_proof f = map_current (fn int =>
1bbb31aaf98d renamed enter_forward_proof to enter_proof_body;
wenzelm
parents: 20985
diff changeset
   615
  (fn Proof (prf, (finish, orig_gthy)) =>
1bbb31aaf98d renamed enter_forward_proof to enter_proof_body;
wenzelm
parents: 20985
diff changeset
   616
        let val state = ProofHistory.current prf in
1bbb31aaf98d renamed enter_forward_proof to enter_proof_body;
wenzelm
parents: 20985
diff changeset
   617
          if can (Proof.assert_bottom true) state then
1bbb31aaf98d renamed enter_forward_proof to enter_proof_body;
wenzelm
parents: 20985
diff changeset
   618
            let
1bbb31aaf98d renamed enter_forward_proof to enter_proof_body;
wenzelm
parents: 20985
diff changeset
   619
              val ctxt' = f int state;
1bbb31aaf98d renamed enter_forward_proof to enter_proof_body;
wenzelm
parents: 20985
diff changeset
   620
              val gthy' = finish ctxt';
1bbb31aaf98d renamed enter_forward_proof to enter_proof_body;
wenzelm
parents: 20985
diff changeset
   621
            in Theory (gthy', SOME ctxt') end
1bbb31aaf98d renamed enter_forward_proof to enter_proof_body;
wenzelm
parents: 20985
diff changeset
   622
          else raise UNDEF
1bbb31aaf98d renamed enter_forward_proof to enter_proof_body;
wenzelm
parents: 20985
diff changeset
   623
        end
1bbb31aaf98d renamed enter_forward_proof to enter_proof_body;
wenzelm
parents: 20985
diff changeset
   624
    | SkipProof (h, (gthy, _)) =>
1bbb31aaf98d renamed enter_forward_proof to enter_proof_body;
wenzelm
parents: 20985
diff changeset
   625
        if History.current h = 0 then Theory (gthy, NONE) else raise UNDEF
1bbb31aaf98d renamed enter_forward_proof to enter_proof_body;
wenzelm
parents: 20985
diff changeset
   626
    | _ => raise UNDEF));
1bbb31aaf98d renamed enter_forward_proof to enter_proof_body;
wenzelm
parents: 20985
diff changeset
   627
1bbb31aaf98d renamed enter_forward_proof to enter_proof_body;
wenzelm
parents: 20985
diff changeset
   628
val forget_proof = map_current (fn _ =>
1bbb31aaf98d renamed enter_forward_proof to enter_proof_body;
wenzelm
parents: 20985
diff changeset
   629
  (fn Proof (_, (_, orig_gthy)) => Theory (orig_gthy, NONE)
1bbb31aaf98d renamed enter_forward_proof to enter_proof_body;
wenzelm
parents: 20985
diff changeset
   630
    | SkipProof (_, (_, orig_gthy)) => Theory (orig_gthy, NONE)
1bbb31aaf98d renamed enter_forward_proof to enter_proof_body;
wenzelm
parents: 20985
diff changeset
   631
    | _ => raise UNDEF));
1bbb31aaf98d renamed enter_forward_proof to enter_proof_body;
wenzelm
parents: 20985
diff changeset
   632
17904
21c6894b5998 simplified interfaces proof/proof' etc.: perform ProofHistory.apply(s)/current internally;
wenzelm
parents: 17513
diff changeset
   633
fun proofs' f = map_current (fn int =>
21007
1bbb31aaf98d renamed enter_forward_proof to enter_proof_body;
wenzelm
parents: 20985
diff changeset
   634
  (fn Proof (prf, x) => Proof (ProofHistory.applys (f int) prf, x)
1bbb31aaf98d renamed enter_forward_proof to enter_proof_body;
wenzelm
parents: 20985
diff changeset
   635
    | SkipProof (h, x) => SkipProof (History.apply I h, x)
16815
13d20ed9086c added print_state_hook;
wenzelm
parents: 16729
diff changeset
   636
    | _ => raise UNDEF));
15668
53c049a365cf improved exn_message;
wenzelm
parents: 15633
diff changeset
   637
17904
21c6894b5998 simplified interfaces proof/proof' etc.: perform ProofHistory.apply(s)/current internally;
wenzelm
parents: 17513
diff changeset
   638
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
   639
val proofs = proofs' o K;
6689
wenzelm
parents: 6664
diff changeset
   640
val proof = proof' o K;
16815
13d20ed9086c added print_state_hook;
wenzelm
parents: 16729
diff changeset
   641
21007
1bbb31aaf98d renamed enter_forward_proof to enter_proof_body;
wenzelm
parents: 20985
diff changeset
   642
fun present_proof f = map_current (fn int =>
1bbb31aaf98d renamed enter_forward_proof to enter_proof_body;
wenzelm
parents: 20985
diff changeset
   643
  (fn node as Proof _ => node
1bbb31aaf98d renamed enter_forward_proof to enter_proof_body;
wenzelm
parents: 20985
diff changeset
   644
    | node as SkipProof _ => node
1bbb31aaf98d renamed enter_forward_proof to enter_proof_body;
wenzelm
parents: 20985
diff changeset
   645
    | _ => raise UNDEF) #> tap (f int));
1bbb31aaf98d renamed enter_forward_proof to enter_proof_body;
wenzelm
parents: 20985
diff changeset
   646
16815
13d20ed9086c added print_state_hook;
wenzelm
parents: 16729
diff changeset
   647
fun actual_proof f = map_current (fn _ =>
21007
1bbb31aaf98d renamed enter_forward_proof to enter_proof_body;
wenzelm
parents: 20985
diff changeset
   648
  (fn Proof (prf, x) => Proof (f prf, x)
20963
a7fd8f05a2be added type global_theory -- theory or local_theory;
wenzelm
parents: 20928
diff changeset
   649
    | _ => raise UNDEF));
16815
13d20ed9086c added print_state_hook;
wenzelm
parents: 16729
diff changeset
   650
13d20ed9086c added print_state_hook;
wenzelm
parents: 16729
diff changeset
   651
fun skip_proof f = map_current (fn _ =>
21007
1bbb31aaf98d renamed enter_forward_proof to enter_proof_body;
wenzelm
parents: 20985
diff changeset
   652
  (fn SkipProof (h, x) => SkipProof (f h, x)
18563
wenzelm
parents: 17904
diff changeset
   653
    | _ => raise UNDEF));
wenzelm
parents: 17904
diff changeset
   654
16815
13d20ed9086c added print_state_hook;
wenzelm
parents: 16729
diff changeset
   655
fun skip_proof_to_theory p = map_current (fn _ =>
21007
1bbb31aaf98d renamed enter_forward_proof to enter_proof_body;
wenzelm
parents: 20985
diff changeset
   656
  (fn SkipProof (h, (gthy, _)) =>
1bbb31aaf98d renamed enter_forward_proof to enter_proof_body;
wenzelm
parents: 20985
diff changeset
   657
    if p (History.current h) then Theory (gthy, NONE)
17904
21c6894b5998 simplified interfaces proof/proof' etc.: perform ProofHistory.apply(s)/current internally;
wenzelm
parents: 17513
diff changeset
   658
    else raise UNDEF
21c6894b5998 simplified interfaces proof/proof' etc.: perform ProofHistory.apply(s)/current internally;
wenzelm
parents: 17513
diff changeset
   659
  | _ => raise UNDEF));
5828
1feeadaad6a9 The Isabelle/Isar toplevel.
wenzelm
parents:
diff changeset
   660
1feeadaad6a9 The Isabelle/Isar toplevel.
wenzelm
parents:
diff changeset
   661
1feeadaad6a9 The Isabelle/Isar toplevel.
wenzelm
parents:
diff changeset
   662
1feeadaad6a9 The Isabelle/Isar toplevel.
wenzelm
parents:
diff changeset
   663
(** toplevel transactions **)
1feeadaad6a9 The Isabelle/Isar toplevel.
wenzelm
parents:
diff changeset
   664
1feeadaad6a9 The Isabelle/Isar toplevel.
wenzelm
parents:
diff changeset
   665
(* apply transitions *)
1feeadaad6a9 The Isabelle/Isar toplevel.
wenzelm
parents:
diff changeset
   666
6664
f679ddd1ddd8 cleaned comments;
wenzelm
parents: 6244
diff changeset
   667
local
f679ddd1ddd8 cleaned comments;
wenzelm
parents: 6244
diff changeset
   668
9010
ce78dc5e1a73 Toplevel.no_timing;
wenzelm
parents: 8999
diff changeset
   669
fun app int (tr as Transition {trans, int_only, print, no_timing, ...}) state =
5828
1feeadaad6a9 The Isabelle/Isar toplevel.
wenzelm
parents:
diff changeset
   670
  let
16682
wenzelm
parents: 16658
diff changeset
   671
    val _ = conditional (not int andalso int_only) (fn () =>
wenzelm
parents: 16658
diff changeset
   672
      warning (command_msg "Interactive-only " tr));
wenzelm
parents: 16658
diff changeset
   673
18685
725660906cb3 sane ERROR vs. TOPLEVEL_ERROR handling;
wenzelm
parents: 18664
diff changeset
   674
    fun do_timing f x = (Output.info (command_msg "" tr); timeap f x);
16682
wenzelm
parents: 16658
diff changeset
   675
    fun do_profiling f x = profile (! profiling) f x;
wenzelm
parents: 16658
diff changeset
   676
6689
wenzelm
parents: 6664
diff changeset
   677
    val (result, opt_exn) =
16729
24c5c94aa967 debug: exception_trace;
wenzelm
parents: 16682
diff changeset
   678
       state |> (apply_trans int trans
24c5c94aa967 debug: exception_trace;
wenzelm
parents: 16682
diff changeset
   679
        |> (if ! profiling > 0 then do_profiling else I)
24c5c94aa967 debug: exception_trace;
wenzelm
parents: 16682
diff changeset
   680
        |> (if ! profiling > 0 orelse ! timing andalso not no_timing then do_timing else I));
16607
81e687c63e29 added print': print depending on print_mode;
wenzelm
parents: 16490
diff changeset
   681
    val _ = conditional (int andalso not (! quiet) andalso
20664
ffbc5a57191a member (op =);
wenzelm
parents: 20363
diff changeset
   682
        exists (member (op =) print) ("" :: ! print_mode))
16607
81e687c63e29 added print': print depending on print_mode;
wenzelm
parents: 16490
diff changeset
   683
      (fn () => print_state false result);
15570
8d8c70b41bab Move towards standard functions.
skalberg
parents: 15549
diff changeset
   684
  in (result, Option.map (fn UNDEF => type_error tr state | exn => exn) opt_exn) end;
6664
f679ddd1ddd8 cleaned comments;
wenzelm
parents: 6244
diff changeset
   685
f679ddd1ddd8 cleaned comments;
wenzelm
parents: 6244
diff changeset
   686
in
5828
1feeadaad6a9 The Isabelle/Isar toplevel.
wenzelm
parents:
diff changeset
   687
6689
wenzelm
parents: 6664
diff changeset
   688
fun apply int tr st =
6965
a766de752996 fixed interrupts (eliminated races);
wenzelm
parents: 6689
diff changeset
   689
  (case app int tr st of
15531
08c8dad8e399 Deleted Library.option type.
skalberg
parents: 15519
diff changeset
   690
    (_, SOME TERMINATE) => NONE
08c8dad8e399 Deleted Library.option type.
skalberg
parents: 15519
diff changeset
   691
  | (_, SOME RESTART) => SOME (toplevel, NONE)
08c8dad8e399 Deleted Library.option type.
skalberg
parents: 15519
diff changeset
   692
  | (state', SOME (EXCURSION_FAIL exn_info)) => SOME (state', SOME exn_info)
08c8dad8e399 Deleted Library.option type.
skalberg
parents: 15519
diff changeset
   693
  | (state', SOME exn) => SOME (state', SOME (exn, at_command tr))
08c8dad8e399 Deleted Library.option type.
skalberg
parents: 15519
diff changeset
   694
  | (state', NONE) => SOME (state', NONE));
6664
f679ddd1ddd8 cleaned comments;
wenzelm
parents: 6244
diff changeset
   695
f679ddd1ddd8 cleaned comments;
wenzelm
parents: 6244
diff changeset
   696
end;
5828
1feeadaad6a9 The Isabelle/Isar toplevel.
wenzelm
parents:
diff changeset
   697
1feeadaad6a9 The Isabelle/Isar toplevel.
wenzelm
parents:
diff changeset
   698
17076
c7effdf2e2e2 state: body context;
wenzelm
parents: 16815
diff changeset
   699
(* excursion: toplevel -- apply transformers/presentation -- toplevel *)
5828
1feeadaad6a9 The Isabelle/Isar toplevel.
wenzelm
parents:
diff changeset
   700
6664
f679ddd1ddd8 cleaned comments;
wenzelm
parents: 6244
diff changeset
   701
local
f679ddd1ddd8 cleaned comments;
wenzelm
parents: 6244
diff changeset
   702
5828
1feeadaad6a9 The Isabelle/Isar toplevel.
wenzelm
parents:
diff changeset
   703
fun excur [] x = x
17076
c7effdf2e2e2 state: body context;
wenzelm
parents: 16815
diff changeset
   704
  | excur ((tr, pr) :: trs) (st, res) =
17321
227f1f5c3959 added interact flag to control mode of excursions;
wenzelm
parents: 17320
diff changeset
   705
      (case apply (! interact) tr st of
15531
08c8dad8e399 Deleted Library.option type.
skalberg
parents: 15519
diff changeset
   706
        SOME (st', NONE) =>
18685
725660906cb3 sane ERROR vs. TOPLEVEL_ERROR handling;
wenzelm
parents: 18664
diff changeset
   707
          excur trs (st', pr st st' res handle exn =>
10324
498999fd7c37 tuned msg;
wenzelm
parents: 9512
diff changeset
   708
            raise EXCURSION_FAIL (exn, "Presentation failed\n" ^ at_command tr))
15531
08c8dad8e399 Deleted Library.option type.
skalberg
parents: 15519
diff changeset
   709
      | SOME (st', SOME exn_info) => raise EXCURSION_FAIL exn_info
08c8dad8e399 Deleted Library.option type.
skalberg
parents: 15519
diff changeset
   710
      | NONE => raise EXCURSION_FAIL (TERMINATE, at_command tr));
5828
1feeadaad6a9 The Isabelle/Isar toplevel.
wenzelm
parents:
diff changeset
   711
17076
c7effdf2e2e2 state: body context;
wenzelm
parents: 16815
diff changeset
   712
fun no_pr _ _ _ = ();
c7effdf2e2e2 state: body context;
wenzelm
parents: 16815
diff changeset
   713
6664
f679ddd1ddd8 cleaned comments;
wenzelm
parents: 6244
diff changeset
   714
in
f679ddd1ddd8 cleaned comments;
wenzelm
parents: 6244
diff changeset
   715
17076
c7effdf2e2e2 state: body context;
wenzelm
parents: 16815
diff changeset
   716
fun present_excursion trs res =
15531
08c8dad8e399 Deleted Library.option type.
skalberg
parents: 15519
diff changeset
   717
  (case excur trs (State NONE, res) of
08c8dad8e399 Deleted Library.option type.
skalberg
parents: 15519
diff changeset
   718
    (State NONE, res') => res'
18685
725660906cb3 sane ERROR vs. TOPLEVEL_ERROR handling;
wenzelm
parents: 18664
diff changeset
   719
  | _ => error "Unfinished development at end of input")
9134
b38e94631f19 excursion_result;
wenzelm
parents: 9010
diff changeset
   720
  handle exn => error (exn_message exn);
b38e94631f19 excursion_result;
wenzelm
parents: 9010
diff changeset
   721
17076
c7effdf2e2e2 state: body context;
wenzelm
parents: 16815
diff changeset
   722
fun excursion trs = present_excursion (map (rpair no_pr) trs) ();
7062
e992884b256d Toplevel.excursion_error;
wenzelm
parents: 7022
diff changeset
   723
6664
f679ddd1ddd8 cleaned comments;
wenzelm
parents: 6244
diff changeset
   724
end;
f679ddd1ddd8 cleaned comments;
wenzelm
parents: 6244
diff changeset
   725
5828
1feeadaad6a9 The Isabelle/Isar toplevel.
wenzelm
parents:
diff changeset
   726
1feeadaad6a9 The Isabelle/Isar toplevel.
wenzelm
parents:
diff changeset
   727
1feeadaad6a9 The Isabelle/Isar toplevel.
wenzelm
parents:
diff changeset
   728
(** interactive transformations **)
1feeadaad6a9 The Isabelle/Isar toplevel.
wenzelm
parents:
diff changeset
   729
1feeadaad6a9 The Isabelle/Isar toplevel.
wenzelm
parents:
diff changeset
   730
(* the global state reference *)
1feeadaad6a9 The Isabelle/Isar toplevel.
wenzelm
parents:
diff changeset
   731
15531
08c8dad8e399 Deleted Library.option type.
skalberg
parents: 15519
diff changeset
   732
val global_state = ref (toplevel, NONE: (exn * string) option);
5828
1feeadaad6a9 The Isabelle/Isar toplevel.
wenzelm
parents:
diff changeset
   733
15531
08c8dad8e399 Deleted Library.option type.
skalberg
parents: 15519
diff changeset
   734
fun set_state state = global_state := (state, NONE);
5828
1feeadaad6a9 The Isabelle/Isar toplevel.
wenzelm
parents:
diff changeset
   735
fun get_state () = fst (! global_state);
1feeadaad6a9 The Isabelle/Isar toplevel.
wenzelm
parents:
diff changeset
   736
fun exn () = snd (! global_state);
1feeadaad6a9 The Isabelle/Isar toplevel.
wenzelm
parents:
diff changeset
   737
1feeadaad6a9 The Isabelle/Isar toplevel.
wenzelm
parents:
diff changeset
   738
6965
a766de752996 fixed interrupts (eliminated races);
wenzelm
parents: 6689
diff changeset
   739
(* the Isar source of transitions *)
a766de752996 fixed interrupts (eliminated races);
wenzelm
parents: 6689
diff changeset
   740
14091
ad6ba9c55190 A patch by david aspinall
nipkow
parents: 13486
diff changeset
   741
type 'a isar =
6965
a766de752996 fixed interrupts (eliminated races);
wenzelm
parents: 6689
diff changeset
   742
  (transition, (transition option,
12881
eeb36b66480e ANTIQUOTE_FAIL;
wenzelm
parents: 12423
diff changeset
   743
    (OuterLex.token, (OuterLex.token option, (OuterLex.token, (OuterLex.token,
14091
ad6ba9c55190 A patch by david aspinall
nipkow
parents: 13486
diff changeset
   744
      Position.T * (Symbol.symbol, (string, 'a) Source.source) Source.source)
12881
eeb36b66480e ANTIQUOTE_FAIL;
wenzelm
parents: 12423
diff changeset
   745
          Source.source) Source.source) Source.source) Source.source) Source.source) Source.source;
6965
a766de752996 fixed interrupts (eliminated races);
wenzelm
parents: 6689
diff changeset
   746
a766de752996 fixed interrupts (eliminated races);
wenzelm
parents: 6689
diff changeset
   747
5828
1feeadaad6a9 The Isabelle/Isar toplevel.
wenzelm
parents:
diff changeset
   748
(* apply transformers to global state *)
1feeadaad6a9 The Isabelle/Isar toplevel.
wenzelm
parents:
diff changeset
   749
14985
fefcf6cd858a added >>> : transition list -> unit;
wenzelm
parents: 14981
diff changeset
   750
nonfix >> >>>;
5828
1feeadaad6a9 The Isabelle/Isar toplevel.
wenzelm
parents:
diff changeset
   751
1feeadaad6a9 The Isabelle/Isar toplevel.
wenzelm
parents:
diff changeset
   752
fun >> tr =
1feeadaad6a9 The Isabelle/Isar toplevel.
wenzelm
parents:
diff changeset
   753
  (case apply true tr (get_state ()) of
15531
08c8dad8e399 Deleted Library.option type.
skalberg
parents: 15519
diff changeset
   754
    NONE => false
08c8dad8e399 Deleted Library.option type.
skalberg
parents: 15519
diff changeset
   755
  | SOME (state', exn_info) =>
5828
1feeadaad6a9 The Isabelle/Isar toplevel.
wenzelm
parents:
diff changeset
   756
      (global_state := (state', exn_info);
16729
24c5c94aa967 debug: exception_trace;
wenzelm
parents: 16682
diff changeset
   757
        print_exn exn_info;
5828
1feeadaad6a9 The Isabelle/Isar toplevel.
wenzelm
parents:
diff changeset
   758
        true));
1feeadaad6a9 The Isabelle/Isar toplevel.
wenzelm
parents:
diff changeset
   759
14985
fefcf6cd858a added >>> : transition list -> unit;
wenzelm
parents: 14981
diff changeset
   760
fun >>> [] = ()
fefcf6cd858a added >>> : transition list -> unit;
wenzelm
parents: 14981
diff changeset
   761
  | >>> (tr :: trs) = if >> tr then >>> trs else ();
fefcf6cd858a added >>> : transition list -> unit;
wenzelm
parents: 14981
diff changeset
   762
17513
0393718c2f1c get_interrupt: special handling of IO.io now in ML-Systems/smlnj-basis-compat.ML;
wenzelm
parents: 17500
diff changeset
   763
(*Spurious interrupts ahead!  Race condition?*)
0393718c2f1c get_interrupt: special handling of IO.io now in ML-Systems/smlnj-basis-compat.ML;
wenzelm
parents: 17500
diff changeset
   764
fun get_interrupt src = SOME (Source.get_single src) handle Interrupt => NONE;
7602
2c0f407f80ce avoid interrupts of read loop;
wenzelm
parents: 7501
diff changeset
   765
20928
74910a189f1d loop: disallow exit in secure mode;
wenzelm
parents: 20891
diff changeset
   766
fun warn_secure () =
74910a189f1d loop: disallow exit in secure mode;
wenzelm
parents: 20891
diff changeset
   767
  let val secure = Secure.is_secure ()
74910a189f1d loop: disallow exit in secure mode;
wenzelm
parents: 20891
diff changeset
   768
  in if secure then warning "Cannot exit to ML in secure mode" else (); secure end;
74910a189f1d loop: disallow exit in secure mode;
wenzelm
parents: 20891
diff changeset
   769
5828
1feeadaad6a9 The Isabelle/Isar toplevel.
wenzelm
parents:
diff changeset
   770
fun raw_loop src =
7602
2c0f407f80ce avoid interrupts of read loop;
wenzelm
parents: 7501
diff changeset
   771
  (case get_interrupt (Source.set_prompt (prompt_state (get_state ())) src) of
15531
08c8dad8e399 Deleted Library.option type.
skalberg
parents: 15519
diff changeset
   772
    NONE => (writeln "\nInterrupt."; raw_loop src)
20928
74910a189f1d loop: disallow exit in secure mode;
wenzelm
parents: 20891
diff changeset
   773
  | SOME NONE => if warn_secure () then quit () else ()
74910a189f1d loop: disallow exit in secure mode;
wenzelm
parents: 20891
diff changeset
   774
  | SOME (SOME (tr, src')) =>
74910a189f1d loop: disallow exit in secure mode;
wenzelm
parents: 20891
diff changeset
   775
      if >> tr orelse warn_secure () then raw_loop src'
74910a189f1d loop: disallow exit in secure mode;
wenzelm
parents: 20891
diff changeset
   776
      else ());
5828
1feeadaad6a9 The Isabelle/Isar toplevel.
wenzelm
parents:
diff changeset
   777
12987
b6db96775e52 use ignore_interrupt, raise_interrupt;
wenzelm
parents: 12881
diff changeset
   778
fun loop src = ignore_interrupt raw_loop src;
5828
1feeadaad6a9 The Isabelle/Isar toplevel.
wenzelm
parents:
diff changeset
   779
1feeadaad6a9 The Isabelle/Isar toplevel.
wenzelm
parents:
diff changeset
   780
end;