src/Pure/Isar/proof.ML
author wenzelm
Wed, 01 Oct 2008 18:16:14 +0200
changeset 28450 504c4edead13
parent 28446 a01de3b3fa2e
child 28452 a72670460833
permissions -rw-r--r--
future_proof: protect conclusion of deferred proof state;
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
5820
ff3c82b47603 Proof states and methods.
wenzelm
parents:
diff changeset
     1
(*  Title:      Pure/Isar/proof.ML
ff3c82b47603 Proof states and methods.
wenzelm
parents:
diff changeset
     2
    ID:         $Id$
ff3c82b47603 Proof states and methods.
wenzelm
parents:
diff changeset
     3
    Author:     Markus Wenzel, TU Muenchen
ff3c82b47603 Proof states and methods.
wenzelm
parents:
diff changeset
     4
19000
1f73a35743f4 tuned comment;
wenzelm
parents: 18908
diff changeset
     5
The Isar/VM proof language interpreter: maintains a structured flow of
1f73a35743f4 tuned comment;
wenzelm
parents: 18908
diff changeset
     6
context elements, goals, refinements, and facts.
5820
ff3c82b47603 Proof states and methods.
wenzelm
parents:
diff changeset
     7
*)
ff3c82b47603 Proof states and methods.
wenzelm
parents:
diff changeset
     8
ff3c82b47603 Proof states and methods.
wenzelm
parents:
diff changeset
     9
signature PROOF =
ff3c82b47603 Proof states and methods.
wenzelm
parents:
diff changeset
    10
sig
23639
961d1061e540 pretty_state: subgoal markup;
wenzelm
parents: 23418
diff changeset
    11
  type context = Context.proof
961d1061e540 pretty_state: subgoal markup;
wenzelm
parents: 23418
diff changeset
    12
  type method = Method.method
5820
ff3c82b47603 Proof states and methods.
wenzelm
parents:
diff changeset
    13
  type state
17359
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
    14
  val init: context -> state
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
    15
  val level: state -> int
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
    16
  val assert_bottom: bool -> state -> state
5820
ff3c82b47603 Proof states and methods.
wenzelm
parents:
diff changeset
    17
  val context_of: state -> context
ff3c82b47603 Proof states and methods.
wenzelm
parents:
diff changeset
    18
  val theory_of: state -> theory
13377
cc8245843abc export map_context;
wenzelm
parents: 13335
diff changeset
    19
  val map_context: (context -> context) -> state -> state
28278
7af26c1f02ec added map_contexts;
wenzelm
parents: 28084
diff changeset
    20
  val map_contexts: (context -> context) -> state -> state
17976
5ca9ff44a149 export add_binds_i;
wenzelm
parents: 17903
diff changeset
    21
  val add_binds_i: (indexname * term option) list -> state -> state
26251
b8c6259d366b put_facts: do_props, i.e. facts are indexed by proposition again;
wenzelm
parents: 25958
diff changeset
    22
  val put_thms: bool -> string * thm list option -> state -> state
6091
e3cdbd929a24 eliminated tthm type and Attribute structure;
wenzelm
parents: 6030
diff changeset
    23
  val the_facts: state -> thm list
9469
8058d285b1cd export RANGE, hard_asm_tac, soft_asm_tac;
wenzelm
parents: 9292
diff changeset
    24
  val the_fact: state -> thm
17450
f2e0a211c4fc export put_facts;
wenzelm
parents: 17437
diff changeset
    25
  val put_facts: thm list option -> state -> state
6891
7bb02d03035d tuned print_state;
wenzelm
parents: 6887
diff changeset
    26
  val assert_forward: state -> state
17359
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
    27
  val assert_chain: state -> state
9469
8058d285b1cd export RANGE, hard_asm_tac, soft_asm_tac;
wenzelm
parents: 9292
diff changeset
    28
  val assert_forward_or_chain: state -> state
5820
ff3c82b47603 Proof states and methods.
wenzelm
parents:
diff changeset
    29
  val assert_backward: state -> state
8206
e50a130ec9af assert_no_chain;
wenzelm
parents: 8186
diff changeset
    30
  val assert_no_chain: state -> state
5820
ff3c82b47603 Proof states and methods.
wenzelm
parents:
diff changeset
    31
  val enter_forward: state -> state
24543
e2332d1ff6c7 added goal_message;
wenzelm
parents: 24050
diff changeset
    32
  val goal_message: (unit -> Pretty.T) -> state -> state
17359
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
    33
  val get_goal: state -> context * (thm list * thm)
19995
7f841a2b431c added schematic_goal;
wenzelm
parents: 19915
diff changeset
    34
  val schematic_goal: state -> bool
16539
60adb8b28377 added depth_of;
wenzelm
parents: 16450
diff changeset
    35
  val show_main_goal: bool ref
6529
0f4c2ebc5018 improved print_state;
wenzelm
parents: 6404
diff changeset
    36
  val verbose: bool ref
12423
7fd447422dee tuned print_state interfaces;
wenzelm
parents: 12308
diff changeset
    37
  val pretty_state: int -> state -> Pretty.T list
10360
807992b67edd tuned goals output;
wenzelm
parents: 10350
diff changeset
    38
  val pretty_goals: bool -> state -> Pretty.T list
17112
736f4b7841a8 moved after method.ML;
wenzelm
parents: 17034
diff changeset
    39
  val refine: Method.text -> state -> state Seq.seq
736f4b7841a8 moved after method.ML;
wenzelm
parents: 17034
diff changeset
    40
  val refine_end: Method.text -> state -> state Seq.seq
18908
fb080097e436 added refine_insert;
wenzelm
parents: 18878
diff changeset
    41
  val refine_insert: thm list -> state -> state
20208
90e551baac6a export goal_tac (was internal refine_tac);
wenzelm
parents: 20031
diff changeset
    42
  val goal_tac: thm -> int -> tactic
17359
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
    43
  val refine_goals: (context -> thm -> unit) -> context -> thm list -> state -> state Seq.seq
5936
406eb27fe53c match_bind(_i): 'as' patterns;
wenzelm
parents: 5918
diff changeset
    44
  val match_bind: (string list * string) list -> state -> state
406eb27fe53c match_bind(_i): 'as' patterns;
wenzelm
parents: 5918
diff changeset
    45
  val match_bind_i: (term list * term) list -> state -> state
8617
33e2bd53aec3 support Hindley-Milner polymorphisms in binds and facts;
wenzelm
parents: 8582
diff changeset
    46
  val let_bind: (string list * string) list -> state -> state
33e2bd53aec3 support Hindley-Milner polymorphisms in binds and facts;
wenzelm
parents: 8582
diff changeset
    47
  val let_bind_i: (term list * term) list -> state -> state
28083
103d9282a946 explicit type Name.binding for higher-specification elements;
wenzelm
parents: 26922
diff changeset
    48
  val fix: (Name.binding * string option * mixfix) list -> state -> state
103d9282a946 explicit type Name.binding for higher-specification elements;
wenzelm
parents: 26922
diff changeset
    49
  val fix_i: (Name.binding * typ option * mixfix) list -> state -> state
20224
9c40a144ee0e moved basic assumption operations from structure ProofContext to Assumption;
wenzelm
parents: 20208
diff changeset
    50
  val assm: Assumption.export ->
28084
a05ca48ef263 type Attrib.binding abbreviates Name.binding without attributes;
wenzelm
parents: 28083
diff changeset
    51
    (Attrib.binding * (string * string list) list) list -> state -> state
20224
9c40a144ee0e moved basic assumption operations from structure ProofContext to Assumption;
wenzelm
parents: 20208
diff changeset
    52
  val assm_i: Assumption.export ->
28083
103d9282a946 explicit type Name.binding for higher-specification elements;
wenzelm
parents: 26922
diff changeset
    53
    ((Name.binding * attribute list) * (term * term list) list) list -> state -> state
28084
a05ca48ef263 type Attrib.binding abbreviates Name.binding without attributes;
wenzelm
parents: 28083
diff changeset
    54
  val assume: (Attrib.binding * (string * string list) list) list -> state -> state
28083
103d9282a946 explicit type Name.binding for higher-specification elements;
wenzelm
parents: 26922
diff changeset
    55
  val assume_i: ((Name.binding * attribute list) * (term * term list) list) list ->
103d9282a946 explicit type Name.binding for higher-specification elements;
wenzelm
parents: 26922
diff changeset
    56
    state -> state
28084
a05ca48ef263 type Attrib.binding abbreviates Name.binding without attributes;
wenzelm
parents: 28083
diff changeset
    57
  val presume: (Attrib.binding * (string * string list) list) list -> state -> state
28083
103d9282a946 explicit type Name.binding for higher-specification elements;
wenzelm
parents: 26922
diff changeset
    58
  val presume_i: ((Name.binding * attribute list) * (term * term list) list) list ->
103d9282a946 explicit type Name.binding for higher-specification elements;
wenzelm
parents: 26922
diff changeset
    59
    state -> state
28084
a05ca48ef263 type Attrib.binding abbreviates Name.binding without attributes;
wenzelm
parents: 28083
diff changeset
    60
  val def: (Attrib.binding * ((Name.binding * mixfix) * (string * string list))) list ->
a05ca48ef263 type Attrib.binding abbreviates Name.binding without attributes;
wenzelm
parents: 28083
diff changeset
    61
    state -> state
28083
103d9282a946 explicit type Name.binding for higher-specification elements;
wenzelm
parents: 26922
diff changeset
    62
  val def_i: ((Name.binding * attribute list) *
103d9282a946 explicit type Name.binding for higher-specification elements;
wenzelm
parents: 26922
diff changeset
    63
    ((Name.binding * mixfix) * (term * term list))) list -> state -> state
17359
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
    64
  val chain: state -> state
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
    65
  val chain_facts: thm list -> state -> state
26336
a0e2b706ce73 renamed datatype thmref to Facts.ref, tuned interfaces;
wenzelm
parents: 26251
diff changeset
    66
  val get_thmss: state -> (Facts.ref * Attrib.src list) list -> thm list
28084
a05ca48ef263 type Attrib.binding abbreviates Name.binding without attributes;
wenzelm
parents: 28083
diff changeset
    67
  val note_thmss: (Attrib.binding * (Facts.ref * Attrib.src list) list) list -> state -> state
28083
103d9282a946 explicit type Name.binding for higher-specification elements;
wenzelm
parents: 26922
diff changeset
    68
  val note_thmss_i: ((Name.binding * attribute list) *
18728
6790126ab5f6 simplified type attribute;
wenzelm
parents: 18678
diff changeset
    69
    (thm list * attribute list) list) list -> state -> state
26336
a0e2b706ce73 renamed datatype thmref to Facts.ref, tuned interfaces;
wenzelm
parents: 26251
diff changeset
    70
  val from_thmss: ((Facts.ref * Attrib.src list) list) list -> state -> state
18728
6790126ab5f6 simplified type attribute;
wenzelm
parents: 18678
diff changeset
    71
  val from_thmss_i: ((thm list * attribute list) list) list -> state -> state
26336
a0e2b706ce73 renamed datatype thmref to Facts.ref, tuned interfaces;
wenzelm
parents: 26251
diff changeset
    72
  val with_thmss: ((Facts.ref * Attrib.src list) list) list -> state -> state
18728
6790126ab5f6 simplified type attribute;
wenzelm
parents: 18678
diff changeset
    73
  val with_thmss_i: ((thm list * attribute list) list) list -> state -> state
26336
a0e2b706ce73 renamed datatype thmref to Facts.ref, tuned interfaces;
wenzelm
parents: 26251
diff changeset
    74
  val using: ((Facts.ref * Attrib.src list) list) list -> state -> state
18728
6790126ab5f6 simplified type attribute;
wenzelm
parents: 18678
diff changeset
    75
  val using_i: ((thm list * attribute list) list) list -> state -> state
26336
a0e2b706ce73 renamed datatype thmref to Facts.ref, tuned interfaces;
wenzelm
parents: 26251
diff changeset
    76
  val unfolding: ((Facts.ref * Attrib.src list) list) list -> state -> state
18728
6790126ab5f6 simplified type attribute;
wenzelm
parents: 18678
diff changeset
    77
  val unfolding_i: ((thm list * attribute list) list) list -> state -> state
17112
736f4b7841a8 moved after method.ML;
wenzelm
parents: 17034
diff changeset
    78
  val invoke_case: string * string option list * Attrib.src list -> state -> state
18728
6790126ab5f6 simplified type attribute;
wenzelm
parents: 18678
diff changeset
    79
  val invoke_case_i: string * string option list * attribute list -> state -> state
17359
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
    80
  val begin_block: state -> state
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
    81
  val next_block: state -> state
20309
7491ae0357b9 simplified Assumption/ProofContext.export;
wenzelm
parents: 20224
diff changeset
    82
  val end_block: state -> state
17112
736f4b7841a8 moved after method.ML;
wenzelm
parents: 17034
diff changeset
    83
  val proof: Method.text option -> state -> state Seq.seq
736f4b7841a8 moved after method.ML;
wenzelm
parents: 17034
diff changeset
    84
  val defer: int option -> state -> state Seq.seq
736f4b7841a8 moved after method.ML;
wenzelm
parents: 17034
diff changeset
    85
  val prefer: int -> state -> state Seq.seq
736f4b7841a8 moved after method.ML;
wenzelm
parents: 17034
diff changeset
    86
  val apply: Method.text -> state -> state Seq.seq
736f4b7841a8 moved after method.ML;
wenzelm
parents: 17034
diff changeset
    87
  val apply_end: Method.text -> state -> state Seq.seq
17359
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
    88
  val local_goal: (context -> ((string * string) * (string * thm list) list) -> unit) ->
18728
6790126ab5f6 simplified type attribute;
wenzelm
parents: 18678
diff changeset
    89
    (theory -> 'a -> attribute) ->
17359
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
    90
    (context * 'b list -> context * (term list list * (context -> context))) ->
18124
a310c78298f9 simplified after_qed;
wenzelm
parents: 18041
diff changeset
    91
    string -> Method.text option -> (thm list list -> state -> state Seq.seq) ->
28083
103d9282a946 explicit type Name.binding for higher-specification elements;
wenzelm
parents: 26922
diff changeset
    92
    ((Name.binding * 'a list) * 'b) list -> state -> state
17359
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
    93
  val local_qed: Method.text option * bool -> state -> state Seq.seq
21442
56e54a2afe69 simplified theorem(_i);
wenzelm
parents: 21362
diff changeset
    94
  val theorem: Method.text option -> (thm list list -> context -> context) ->
21362
3a2ab1dce297 simplified Proof.theorem(_i) interface -- removed target support;
wenzelm
parents: 21274
diff changeset
    95
    (string * string list) list list -> context -> state
21442
56e54a2afe69 simplified theorem(_i);
wenzelm
parents: 21362
diff changeset
    96
  val theorem_i: Method.text option -> (thm list list -> context -> context) ->
21362
3a2ab1dce297 simplified Proof.theorem(_i) interface -- removed target support;
wenzelm
parents: 21274
diff changeset
    97
    (term * term list) list list -> context -> state
20363
f34c5dbe74d5 global goals/qeds: after_qed operates on Proof.context (potentially local_theory);
wenzelm
parents: 20341
diff changeset
    98
  val global_qed: Method.text option * bool -> state -> context
17359
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
    99
  val local_terminal_proof: Method.text * Method.text option -> state -> state Seq.seq
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   100
  val local_default_proof: state -> state Seq.seq
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   101
  val local_immediate_proof: state -> state Seq.seq
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   102
  val local_done_proof: state -> state Seq.seq
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   103
  val local_skip_proof: bool -> state -> state Seq.seq
20363
f34c5dbe74d5 global goals/qeds: after_qed operates on Proof.context (potentially local_theory);
wenzelm
parents: 20341
diff changeset
   104
  val global_terminal_proof: Method.text * Method.text option -> state -> context
f34c5dbe74d5 global goals/qeds: after_qed operates on Proof.context (potentially local_theory);
wenzelm
parents: 20341
diff changeset
   105
  val global_default_proof: state -> context
f34c5dbe74d5 global goals/qeds: after_qed operates on Proof.context (potentially local_theory);
wenzelm
parents: 20341
diff changeset
   106
  val global_immediate_proof: state -> context
f34c5dbe74d5 global goals/qeds: after_qed operates on Proof.context (potentially local_theory);
wenzelm
parents: 20341
diff changeset
   107
  val global_done_proof: state -> context
f34c5dbe74d5 global goals/qeds: after_qed operates on Proof.context (potentially local_theory);
wenzelm
parents: 20341
diff changeset
   108
  val global_skip_proof: bool -> state -> context
18124
a310c78298f9 simplified after_qed;
wenzelm
parents: 18041
diff changeset
   109
  val have: Method.text option -> (thm list list -> state -> state Seq.seq) ->
28084
a05ca48ef263 type Attrib.binding abbreviates Name.binding without attributes;
wenzelm
parents: 28083
diff changeset
   110
    (Attrib.binding * (string * string list) list) list -> bool -> state -> state
18124
a310c78298f9 simplified after_qed;
wenzelm
parents: 18041
diff changeset
   111
  val have_i: Method.text option -> (thm list list -> state -> state Seq.seq) ->
28083
103d9282a946 explicit type Name.binding for higher-specification elements;
wenzelm
parents: 26922
diff changeset
   112
    ((Name.binding * attribute list) * (term * term list) list) list -> bool -> state -> state
18124
a310c78298f9 simplified after_qed;
wenzelm
parents: 18041
diff changeset
   113
  val show: Method.text option -> (thm list list -> state -> state Seq.seq) ->
28084
a05ca48ef263 type Attrib.binding abbreviates Name.binding without attributes;
wenzelm
parents: 28083
diff changeset
   114
    (Attrib.binding * (string * string list) list) list -> bool -> state -> state
18124
a310c78298f9 simplified after_qed;
wenzelm
parents: 18041
diff changeset
   115
  val show_i: Method.text option -> (thm list list -> state -> state Seq.seq) ->
28083
103d9282a946 explicit type Name.binding for higher-specification elements;
wenzelm
parents: 26922
diff changeset
   116
    ((Name.binding * attribute list) * (term * term list) list) list -> bool -> state -> state
28446
a01de3b3fa2e renamed promise to future, tuned related interfaces;
wenzelm
parents: 28443
diff changeset
   117
  val can_defer: state -> bool
a01de3b3fa2e renamed promise to future, tuned related interfaces;
wenzelm
parents: 28443
diff changeset
   118
  val future_proof: (state -> context) -> state -> context
5820
ff3c82b47603 Proof states and methods.
wenzelm
parents:
diff changeset
   119
end;
ff3c82b47603 Proof states and methods.
wenzelm
parents:
diff changeset
   120
13377
cc8245843abc export map_context;
wenzelm
parents: 13335
diff changeset
   121
structure Proof: PROOF =
5820
ff3c82b47603 Proof states and methods.
wenzelm
parents:
diff changeset
   122
struct
ff3c82b47603 Proof states and methods.
wenzelm
parents:
diff changeset
   123
20309
7491ae0357b9 simplified Assumption/ProofContext.export;
wenzelm
parents: 20224
diff changeset
   124
type context = Context.proof;
17112
736f4b7841a8 moved after method.ML;
wenzelm
parents: 17034
diff changeset
   125
type method = Method.method;
16813
67140ae50e77 removed ad-hoc atp_hook, cal_atp;
wenzelm
parents: 16539
diff changeset
   126
5820
ff3c82b47603 Proof states and methods.
wenzelm
parents:
diff changeset
   127
ff3c82b47603 Proof states and methods.
wenzelm
parents:
diff changeset
   128
(** proof state **)
ff3c82b47603 Proof states and methods.
wenzelm
parents:
diff changeset
   129
17359
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   130
(* datatype state *)
5820
ff3c82b47603 Proof states and methods.
wenzelm
parents:
diff changeset
   131
17112
736f4b7841a8 moved after method.ML;
wenzelm
parents: 17034
diff changeset
   132
datatype mode = Forward | Chain | Backward;
5820
ff3c82b47603 Proof states and methods.
wenzelm
parents:
diff changeset
   133
17359
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   134
datatype state =
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   135
  State of node Stack.T
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   136
and node =
7176
a329a37ed91a local goals: after_qed;
wenzelm
parents: 7011
diff changeset
   137
  Node of
a329a37ed91a local goals: after_qed;
wenzelm
parents: 7011
diff changeset
   138
   {context: context,
a329a37ed91a local goals: after_qed;
wenzelm
parents: 7011
diff changeset
   139
    facts: thm list option,
a329a37ed91a local goals: after_qed;
wenzelm
parents: 7011
diff changeset
   140
    mode: mode,
17359
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   141
    goal: goal option}
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   142
and goal =
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   143
  Goal of
28410
927e603def1f promise global proofs;
wenzelm
parents: 28375
diff changeset
   144
   {statement: (string * Position.T) * term list list * cterm,
927e603def1f promise global proofs;
wenzelm
parents: 28375
diff changeset
   145
      (*goal kind and statement (starting with vars), initial proposition*)
25958
bcedde463850 statement: keep explicit position;
wenzelm
parents: 25227
diff changeset
   146
    messages: (unit -> Pretty.T) list,    (*persistent messages (hints etc.)*)
bcedde463850 statement: keep explicit position;
wenzelm
parents: 25227
diff changeset
   147
    using: thm list,                      (*goal facts*)
bcedde463850 statement: keep explicit position;
wenzelm
parents: 25227
diff changeset
   148
    goal: thm,                            (*subgoals ==> statement*)
17859
f1d298e33760 goal statements: before_qed argument;
wenzelm
parents: 17756
diff changeset
   149
    before_qed: Method.text option,
18124
a310c78298f9 simplified after_qed;
wenzelm
parents: 18041
diff changeset
   150
    after_qed:
a310c78298f9 simplified after_qed;
wenzelm
parents: 18041
diff changeset
   151
      (thm list list -> state -> state Seq.seq) *
20363
f34c5dbe74d5 global goals/qeds: after_qed operates on Proof.context (potentially local_theory);
wenzelm
parents: 20341
diff changeset
   152
      (thm list list -> context -> context)};
17359
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   153
24543
e2332d1ff6c7 added goal_message;
wenzelm
parents: 24050
diff changeset
   154
fun make_goal (statement, messages, using, goal, before_qed, after_qed) =
e2332d1ff6c7 added goal_message;
wenzelm
parents: 24050
diff changeset
   155
  Goal {statement = statement, messages = messages, using = using, goal = goal,
17859
f1d298e33760 goal statements: before_qed argument;
wenzelm
parents: 17756
diff changeset
   156
    before_qed = before_qed, after_qed = after_qed};
5820
ff3c82b47603 Proof states and methods.
wenzelm
parents:
diff changeset
   157
7176
a329a37ed91a local goals: after_qed;
wenzelm
parents: 7011
diff changeset
   158
fun make_node (context, facts, mode, goal) =
a329a37ed91a local goals: after_qed;
wenzelm
parents: 7011
diff changeset
   159
  Node {context = context, facts = facts, mode = mode, goal = goal};
a329a37ed91a local goals: after_qed;
wenzelm
parents: 7011
diff changeset
   160
17359
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   161
fun map_node f (Node {context, facts, mode, goal}) =
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   162
  make_node (f (context, facts, mode, goal));
5820
ff3c82b47603 Proof states and methods.
wenzelm
parents:
diff changeset
   163
21727
5acd4f35d26f init_context: reset naming;
wenzelm
parents: 21687
diff changeset
   164
val init_context =
5acd4f35d26f init_context: reset naming;
wenzelm
parents: 21687
diff changeset
   165
  ProofContext.set_stmt true #> ProofContext.reset_naming;
5acd4f35d26f init_context: reset naming;
wenzelm
parents: 21687
diff changeset
   166
21466
6ffb8f455b84 init: enter inner statement mode, which prevents local notes from being named internally;
wenzelm
parents: 21451
diff changeset
   167
fun init ctxt =
21727
5acd4f35d26f init_context: reset naming;
wenzelm
parents: 21687
diff changeset
   168
  State (Stack.init (make_node (init_context ctxt, NONE, Forward, NONE)));
5820
ff3c82b47603 Proof states and methods.
wenzelm
parents:
diff changeset
   169
17359
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   170
fun current (State st) = Stack.top st |> (fn Node node => node);
21274
3340d0fcecd1 Stack.map_top;
wenzelm
parents: 20913
diff changeset
   171
fun map_current f (State st) = State (Stack.map_top (map_node f) st);
28278
7af26c1f02ec added map_contexts;
wenzelm
parents: 28084
diff changeset
   172
fun map_all f (State st) = State (Stack.map_all (map_node f) st);
12045
bfaa23b19f47 theorem(_i): locale elements;
wenzelm
parents: 12015
diff changeset
   173
5820
ff3c82b47603 Proof states and methods.
wenzelm
parents:
diff changeset
   174
ff3c82b47603 Proof states and methods.
wenzelm
parents:
diff changeset
   175
ff3c82b47603 Proof states and methods.
wenzelm
parents:
diff changeset
   176
(** basic proof state operations **)
ff3c82b47603 Proof states and methods.
wenzelm
parents:
diff changeset
   177
17359
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   178
(* block structure *)
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   179
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   180
fun open_block (State st) = State (Stack.push st);
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   181
18678
dd0c569fa43d sane ERROR handling;
wenzelm
parents: 18670
diff changeset
   182
fun close_block (State st) = State (Stack.pop st)
dd0c569fa43d sane ERROR handling;
wenzelm
parents: 18670
diff changeset
   183
  handle Empty => error "Unbalanced block parentheses";
17359
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   184
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   185
fun level (State st) = Stack.level st;
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   186
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   187
fun assert_bottom b state =
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   188
  let val b' = (level state <= 2) in
18678
dd0c569fa43d sane ERROR handling;
wenzelm
parents: 18670
diff changeset
   189
    if b andalso not b' then error "Not at bottom of proof!"
dd0c569fa43d sane ERROR handling;
wenzelm
parents: 18670
diff changeset
   190
    else if not b andalso b' then error "Already at bottom of proof!"
17359
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   191
    else state
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   192
  end;
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   193
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   194
5820
ff3c82b47603 Proof states and methods.
wenzelm
parents:
diff changeset
   195
(* context *)
ff3c82b47603 Proof states and methods.
wenzelm
parents:
diff changeset
   196
17359
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   197
val context_of = #context o current;
5820
ff3c82b47603 Proof states and methods.
wenzelm
parents:
diff changeset
   198
val theory_of = ProofContext.theory_of o context_of;
ff3c82b47603 Proof states and methods.
wenzelm
parents:
diff changeset
   199
17359
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   200
fun map_context f =
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   201
  map_current (fn (ctxt, facts, mode, goal) => (f ctxt, facts, mode, goal));
5820
ff3c82b47603 Proof states and methods.
wenzelm
parents:
diff changeset
   202
17359
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   203
fun map_context_result f state =
17859
f1d298e33760 goal statements: before_qed argument;
wenzelm
parents: 17756
diff changeset
   204
  f (context_of state) ||> (fn ctxt => map_context (K ctxt) state);
5820
ff3c82b47603 Proof states and methods.
wenzelm
parents:
diff changeset
   205
28278
7af26c1f02ec added map_contexts;
wenzelm
parents: 28084
diff changeset
   206
fun map_contexts f = map_all (fn (ctxt, facts, mode, goal) => (f ctxt, facts, mode, goal));
7af26c1f02ec added map_contexts;
wenzelm
parents: 28084
diff changeset
   207
10809
e827c779ae2e moved norm_hhf_tac to Pure/tactic.ML;
wenzelm
parents: 10553
diff changeset
   208
val add_binds_i = map_context o ProofContext.add_binds_i;
26251
b8c6259d366b put_facts: do_props, i.e. facts are indexed by proposition again;
wenzelm
parents: 25958
diff changeset
   209
val put_thms = map_context oo ProofContext.put_thms;
5820
ff3c82b47603 Proof states and methods.
wenzelm
parents:
diff changeset
   210
ff3c82b47603 Proof states and methods.
wenzelm
parents:
diff changeset
   211
ff3c82b47603 Proof states and methods.
wenzelm
parents:
diff changeset
   212
(* facts *)
ff3c82b47603 Proof states and methods.
wenzelm
parents:
diff changeset
   213
17359
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   214
val get_facts = #facts o current;
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   215
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   216
fun the_facts state =
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   217
  (case get_facts state of SOME facts => facts
18678
dd0c569fa43d sane ERROR handling;
wenzelm
parents: 18670
diff changeset
   218
  | NONE => error "No current facts available");
5820
ff3c82b47603 Proof states and methods.
wenzelm
parents:
diff changeset
   219
9469
8058d285b1cd export RANGE, hard_asm_tac, soft_asm_tac;
wenzelm
parents: 9292
diff changeset
   220
fun the_fact state =
17359
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   221
  (case the_facts state of [thm] => thm
18678
dd0c569fa43d sane ERROR handling;
wenzelm
parents: 18670
diff changeset
   222
  | _ => error "Single theorem expected");
7605
8bbfcb54054e added reset_thms;
wenzelm
parents: 7580
diff changeset
   223
17359
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   224
fun put_facts facts =
19078
97971a84f0c7 added put_thms_internal;
wenzelm
parents: 19000
diff changeset
   225
  map_current (fn (ctxt, _, mode, goal) => (ctxt, facts, mode, goal)) #>
26251
b8c6259d366b put_facts: do_props, i.e. facts are indexed by proposition again;
wenzelm
parents: 25958
diff changeset
   226
  put_thms true (AutoBind.thisN, facts);
5820
ff3c82b47603 Proof states and methods.
wenzelm
parents:
diff changeset
   227
17359
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   228
fun these_factss more_facts (named_factss, state) =
19482
9f11af8f7ef9 tuned basic list operators (flat, maps, map_filter);
wenzelm
parents: 19475
diff changeset
   229
  (named_factss, state |> put_facts (SOME (maps snd named_factss @ more_facts)));
5820
ff3c82b47603 Proof states and methods.
wenzelm
parents:
diff changeset
   230
17359
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   231
fun export_facts inner outer =
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   232
  (case get_facts inner of
20309
7491ae0357b9 simplified Assumption/ProofContext.export;
wenzelm
parents: 20224
diff changeset
   233
    NONE => put_facts NONE outer
17359
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   234
  | SOME thms =>
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   235
      thms
20309
7491ae0357b9 simplified Assumption/ProofContext.export;
wenzelm
parents: 20224
diff changeset
   236
      |> ProofContext.export (context_of inner) (context_of outer)
7491ae0357b9 simplified Assumption/ProofContext.export;
wenzelm
parents: 20224
diff changeset
   237
      |> (fn ths => put_facts (SOME ths) outer));
5820
ff3c82b47603 Proof states and methods.
wenzelm
parents:
diff changeset
   238
ff3c82b47603 Proof states and methods.
wenzelm
parents:
diff changeset
   239
ff3c82b47603 Proof states and methods.
wenzelm
parents:
diff changeset
   240
(* mode *)
ff3c82b47603 Proof states and methods.
wenzelm
parents:
diff changeset
   241
17359
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   242
val get_mode = #mode o current;
5820
ff3c82b47603 Proof states and methods.
wenzelm
parents:
diff changeset
   243
fun put_mode mode = map_current (fn (ctxt, facts, _, goal) => (ctxt, facts, mode, goal));
ff3c82b47603 Proof states and methods.
wenzelm
parents:
diff changeset
   244
17359
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   245
val mode_name = (fn Forward => "state" | Chain => "chain" | Backward => "prove");
5820
ff3c82b47603 Proof states and methods.
wenzelm
parents:
diff changeset
   246
ff3c82b47603 Proof states and methods.
wenzelm
parents:
diff changeset
   247
fun assert_mode pred state =
ff3c82b47603 Proof states and methods.
wenzelm
parents:
diff changeset
   248
  let val mode = get_mode state in
ff3c82b47603 Proof states and methods.
wenzelm
parents:
diff changeset
   249
    if pred mode then state
18678
dd0c569fa43d sane ERROR handling;
wenzelm
parents: 18670
diff changeset
   250
    else error ("Illegal application of proof command in " ^ quote (mode_name mode) ^ " mode")
5820
ff3c82b47603 Proof states and methods.
wenzelm
parents:
diff changeset
   251
  end;
ff3c82b47603 Proof states and methods.
wenzelm
parents:
diff changeset
   252
19308
033160ed1c8b avoid polymorphic equality;
wenzelm
parents: 19224
diff changeset
   253
val assert_forward = assert_mode (fn mode => mode = Forward);
033160ed1c8b avoid polymorphic equality;
wenzelm
parents: 19224
diff changeset
   254
val assert_chain = assert_mode (fn mode => mode = Chain);
033160ed1c8b avoid polymorphic equality;
wenzelm
parents: 19224
diff changeset
   255
val assert_forward_or_chain = assert_mode (fn mode => mode = Forward orelse mode = Chain);
033160ed1c8b avoid polymorphic equality;
wenzelm
parents: 19224
diff changeset
   256
val assert_backward = assert_mode (fn mode => mode = Backward);
033160ed1c8b avoid polymorphic equality;
wenzelm
parents: 19224
diff changeset
   257
val assert_no_chain = assert_mode (fn mode => mode <> Chain);
5820
ff3c82b47603 Proof states and methods.
wenzelm
parents:
diff changeset
   258
17359
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   259
val enter_forward = put_mode Forward;
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   260
val enter_chain = put_mode Chain;
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   261
val enter_backward = put_mode Backward;
5820
ff3c82b47603 Proof states and methods.
wenzelm
parents:
diff changeset
   262
17359
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   263
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   264
(* current goal *)
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   265
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   266
fun current_goal state =
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   267
  (case current state of
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   268
    {context, goal = SOME (Goal goal), ...} => (context, goal)
18678
dd0c569fa43d sane ERROR handling;
wenzelm
parents: 18670
diff changeset
   269
  | _ => error "No current goal!");
5820
ff3c82b47603 Proof states and methods.
wenzelm
parents:
diff changeset
   270
17359
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   271
fun assert_current_goal g state =
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   272
  let val g' = can current_goal state in
18678
dd0c569fa43d sane ERROR handling;
wenzelm
parents: 18670
diff changeset
   273
    if g andalso not g' then error "No goal in this block!"
dd0c569fa43d sane ERROR handling;
wenzelm
parents: 18670
diff changeset
   274
    else if not g andalso g' then error "Goal present in this block!"
17359
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   275
    else state
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   276
  end;
6776
55f1e6b639a4 added the_fact, level;
wenzelm
parents: 6756
diff changeset
   277
17359
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   278
fun put_goal goal = map_current (fn (ctxt, using, mode, _) => (ctxt, using, mode, goal));
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   279
17859
f1d298e33760 goal statements: before_qed argument;
wenzelm
parents: 17756
diff changeset
   280
val before_qed = #before_qed o #2 o current_goal;
f1d298e33760 goal statements: before_qed argument;
wenzelm
parents: 17756
diff changeset
   281
17359
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   282
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   283
(* nested goal *)
5820
ff3c82b47603 Proof states and methods.
wenzelm
parents:
diff changeset
   284
17359
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   285
fun map_goal f g (State (Node {context, facts, mode, goal = SOME goal}, nodes)) =
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   286
      let
24543
e2332d1ff6c7 added goal_message;
wenzelm
parents: 24050
diff changeset
   287
        val Goal {statement, messages, using, goal, before_qed, after_qed} = goal;
e2332d1ff6c7 added goal_message;
wenzelm
parents: 24050
diff changeset
   288
        val goal' = make_goal (g (statement, messages, using, goal, before_qed, after_qed));
17359
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   289
      in State (make_node (f context, facts, mode, SOME goal'), nodes) end
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   290
  | map_goal f g (State (nd, node :: nodes)) =
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   291
      let val State (node', nodes') = map_goal f g (State (node, nodes))
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   292
      in map_context f (State (nd, node' :: nodes')) end
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   293
  | map_goal _ _ state = state;
5820
ff3c82b47603 Proof states and methods.
wenzelm
parents:
diff changeset
   294
24556
22ac3c8d78a5 reset goal messages after goal update;
wenzelm
parents: 24550
diff changeset
   295
fun set_goal goal = map_goal I (fn (statement, _, using, _, before_qed, after_qed) =>
22ac3c8d78a5 reset goal messages after goal update;
wenzelm
parents: 24550
diff changeset
   296
  (statement, [], using, goal, before_qed, after_qed));
19188
a4c82a9ff7d8 method: SelectGoals;
wenzelm
parents: 19100
diff changeset
   297
24543
e2332d1ff6c7 added goal_message;
wenzelm
parents: 24050
diff changeset
   298
fun goal_message msg = map_goal I (fn (statement, messages, using, goal, before_qed, after_qed) =>
e2332d1ff6c7 added goal_message;
wenzelm
parents: 24050
diff changeset
   299
  (statement, msg :: messages, using, goal, before_qed, after_qed));
e2332d1ff6c7 added goal_message;
wenzelm
parents: 24050
diff changeset
   300
24556
22ac3c8d78a5 reset goal messages after goal update;
wenzelm
parents: 24550
diff changeset
   301
fun using_facts using = map_goal I (fn (statement, _, _, goal, before_qed, after_qed) =>
22ac3c8d78a5 reset goal messages after goal update;
wenzelm
parents: 24550
diff changeset
   302
  (statement, [], using, goal, before_qed, after_qed));
17359
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   303
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   304
local
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   305
  fun find i state =
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   306
    (case try current_goal state of
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   307
      SOME (ctxt, goal) => (ctxt, (i, goal))
18678
dd0c569fa43d sane ERROR handling;
wenzelm
parents: 18670
diff changeset
   308
    | NONE => find (i + 1) (close_block state handle ERROR _ => error "No goal present"));
17359
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   309
in val find_goal = find 0 end;
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   310
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   311
fun get_goal state =
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   312
  let val (ctxt, (_, {using, goal, ...})) = find_goal state
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   313
  in (ctxt, (using, goal)) end;
5820
ff3c82b47603 Proof states and methods.
wenzelm
parents:
diff changeset
   314
19995
7f841a2b431c added schematic_goal;
wenzelm
parents: 19915
diff changeset
   315
fun schematic_goal state =
28410
927e603def1f promise global proofs;
wenzelm
parents: 28375
diff changeset
   316
  let val (_, (_, {statement = (_, _, prop), ...})) = find_goal state in
927e603def1f promise global proofs;
wenzelm
parents: 28375
diff changeset
   317
    Term.exists_subterm Term.is_Var (Thm.term_of prop) orelse
927e603def1f promise global proofs;
wenzelm
parents: 28375
diff changeset
   318
    Term.exists_type (Term.exists_subtype Term.is_TVar) (Thm.term_of prop)
21362
3a2ab1dce297 simplified Proof.theorem(_i) interface -- removed target support;
wenzelm
parents: 21274
diff changeset
   319
  end;
19995
7f841a2b431c added schematic_goal;
wenzelm
parents: 19915
diff changeset
   320
5820
ff3c82b47603 Proof states and methods.
wenzelm
parents:
diff changeset
   321
ff3c82b47603 Proof states and methods.
wenzelm
parents:
diff changeset
   322
12423
7fd447422dee tuned print_state interfaces;
wenzelm
parents: 12308
diff changeset
   323
(** pretty_state **)
5820
ff3c82b47603 Proof states and methods.
wenzelm
parents:
diff changeset
   324
13869
18112403c809 toggled show_main_goal
nipkow
parents: 13698
diff changeset
   325
val show_main_goal = ref false;
16539
60adb8b28377 added depth_of;
wenzelm
parents: 16450
diff changeset
   326
val verbose = ProofContext.verbose;
13698
d7ef5a3b3591 added show_main_goal
nipkow
parents: 13596
diff changeset
   327
24961
5298ee9c3fe5 moved ProofContext.pp to Syntax.pp;
wenzelm
parents: 24920
diff changeset
   328
val pretty_goals_local = Display.pretty_goals_aux o Syntax.pp;
12085
235576bea937 pretty_goals_local: observes context syntax;
wenzelm
parents: 12065
diff changeset
   329
15531
08c8dad8e399 Deleted Library.option type.
skalberg
parents: 15456
diff changeset
   330
fun pretty_facts _ _ NONE = []
08c8dad8e399 Deleted Library.option type.
skalberg
parents: 15456
diff changeset
   331
  | pretty_facts s ctxt (SOME ths) =
12055
a9c44895cc8c pretty/print functions with context;
wenzelm
parents: 12045
diff changeset
   332
      [Pretty.big_list (s ^ "this:") (map (ProofContext.pretty_thm ctxt) ths), Pretty.str ""];
6756
fe6eb161df3e improved print_state;
wenzelm
parents: 6752
diff changeset
   333
17359
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   334
fun pretty_state nr state =
5820
ff3c82b47603 Proof states and methods.
wenzelm
parents:
diff changeset
   335
  let
17359
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   336
    val {context, facts, mode, goal = _} = current state;
5820
ff3c82b47603 Proof states and methods.
wenzelm
parents:
diff changeset
   337
ff3c82b47603 Proof states and methods.
wenzelm
parents:
diff changeset
   338
    fun levels_up 0 = ""
17359
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   339
      | levels_up 1 = "1 level up"
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   340
      | levels_up i = string_of_int i ^ " levels up";
5820
ff3c82b47603 Proof states and methods.
wenzelm
parents:
diff changeset
   341
11556
8e0768929662 print_state: subgoals;
wenzelm
parents: 11549
diff changeset
   342
    fun subgoals 0 = ""
17359
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   343
      | subgoals 1 = "1 subgoal"
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   344
      | subgoals n = string_of_int n ^ " subgoals";
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   345
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   346
    fun description strs =
28375
c879d88d038a eliminated polymorphic equality;
wenzelm
parents: 28289
diff changeset
   347
      (case filter_out (fn s => s = "") strs of [] => ""
17359
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   348
      | strs' => enclose " (" ")" (commas strs'));
12146
8e02a45f77e2 added multi_theorem(_i);
wenzelm
parents: 12096
diff changeset
   349
24550
ec228ae5a620 made smlnj happy;
wenzelm
parents: 24543
diff changeset
   350
    fun prt_goal (SOME (ctxt, (i,
28410
927e603def1f promise global proofs;
wenzelm
parents: 28375
diff changeset
   351
            {statement = ((_, pos), _, _), messages, using, goal, before_qed, after_qed}))) =
17359
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   352
          pretty_facts "using " ctxt
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   353
            (if mode <> Backward orelse null using then NONE else SOME using) @
21442
56e54a2afe69 simplified theorem(_i);
wenzelm
parents: 21362
diff changeset
   354
          [Pretty.str ("goal" ^
56e54a2afe69 simplified theorem(_i);
wenzelm
parents: 21362
diff changeset
   355
            description [levels_up (i div 2), subgoals (Thm.nprems_of goal)] ^ ":")] @
23639
961d1061e540 pretty_state: subgoal markup;
wenzelm
parents: 23418
diff changeset
   356
          pretty_goals_local ctxt Markup.subgoal
24543
e2332d1ff6c7 added goal_message;
wenzelm
parents: 24050
diff changeset
   357
            (true, ! show_main_goal) (! Display.goals_limit) goal @
25958
bcedde463850 statement: keep explicit position;
wenzelm
parents: 25227
diff changeset
   358
          (map (fn msg => Position.setmp_thread_data pos msg ()) (rev messages))
17359
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   359
      | prt_goal NONE = [];
6848
3d82756e1af5 tuned print_state;
wenzelm
parents: 6798
diff changeset
   360
17359
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   361
    val prt_ctxt =
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   362
      if ! verbose orelse mode = Forward then ProofContext.pretty_context context
18670
c3f445b92aff uniform handling of fixes;
wenzelm
parents: 18607
diff changeset
   363
      else if mode = Backward then ProofContext.pretty_ctxt context
7575
e1e2d07287d8 improved output;
wenzelm
parents: 7556
diff changeset
   364
      else [];
17359
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   365
  in
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   366
    [Pretty.str ("proof (" ^ mode_name mode ^ "): step " ^ string_of_int nr ^
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   367
      (if ! verbose then ", depth " ^ string_of_int (level state div 2 - 1) else "")),
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   368
      Pretty.str ""] @
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   369
    (if null prt_ctxt then [] else prt_ctxt @ [Pretty.str ""]) @
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   370
    (if ! verbose orelse mode = Forward then
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   371
       pretty_facts "" context facts @ prt_goal (try find_goal state)
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   372
     else if mode = Chain then pretty_facts "picking " context facts
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   373
     else prt_goal (try find_goal state))
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   374
  end;
5820
ff3c82b47603 Proof states and methods.
wenzelm
parents:
diff changeset
   375
12085
235576bea937 pretty_goals_local: observes context syntax;
wenzelm
parents: 12065
diff changeset
   376
fun pretty_goals main state =
19188
a4c82a9ff7d8 method: SelectGoals;
wenzelm
parents: 19100
diff changeset
   377
  let val (ctxt, (_, goal)) = get_goal state
23639
961d1061e540 pretty_state: subgoal markup;
wenzelm
parents: 23418
diff changeset
   378
  in pretty_goals_local ctxt Markup.none (false, main) (! Display.goals_limit) goal end;
10320
26d4b84eb047 added pretty_goals;
wenzelm
parents: 9482
diff changeset
   379
5820
ff3c82b47603 Proof states and methods.
wenzelm
parents:
diff changeset
   380
ff3c82b47603 Proof states and methods.
wenzelm
parents:
diff changeset
   381
ff3c82b47603 Proof states and methods.
wenzelm
parents:
diff changeset
   382
(** proof steps **)
ff3c82b47603 Proof states and methods.
wenzelm
parents:
diff changeset
   383
17359
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   384
(* refine via method *)
5820
ff3c82b47603 Proof states and methods.
wenzelm
parents:
diff changeset
   385
8234
36a85a6c4852 refine_end;
wenzelm
parents: 8206
diff changeset
   386
local
36a85a6c4852 refine_end;
wenzelm
parents: 8206
diff changeset
   387
16146
4cf0af7ca7c9 method_cases: RuleCases.T option;
wenzelm
parents: 15979
diff changeset
   388
fun goalN i = "goal" ^ string_of_int i;
4cf0af7ca7c9 method_cases: RuleCases.T option;
wenzelm
parents: 15979
diff changeset
   389
fun goals st = map goalN (1 upto Thm.nprems_of st);
4cf0af7ca7c9 method_cases: RuleCases.T option;
wenzelm
parents: 15979
diff changeset
   390
4cf0af7ca7c9 method_cases: RuleCases.T option;
wenzelm
parents: 15979
diff changeset
   391
fun no_goal_cases st = map (rpair NONE) (goals st);
4cf0af7ca7c9 method_cases: RuleCases.T option;
wenzelm
parents: 15979
diff changeset
   392
4cf0af7ca7c9 method_cases: RuleCases.T option;
wenzelm
parents: 15979
diff changeset
   393
fun goal_cases st =
18607
7b074c340aac RuleCases.make_common;
wenzelm
parents: 18548
diff changeset
   394
  RuleCases.make_common true (Thm.theory_of_thm st, Thm.prop_of st) (map (rpair []) (goals st));
16146
4cf0af7ca7c9 method_cases: RuleCases.T option;
wenzelm
parents: 15979
diff changeset
   395
25958
bcedde463850 statement: keep explicit position;
wenzelm
parents: 25227
diff changeset
   396
fun apply_method current_context pos meth state =
6848
3d82756e1af5 tuned print_state;
wenzelm
parents: 6798
diff changeset
   397
  let
24556
22ac3c8d78a5 reset goal messages after goal update;
wenzelm
parents: 24550
diff changeset
   398
    val (goal_ctxt, (_, {statement, messages = _, using, goal, before_qed, after_qed})) =
24543
e2332d1ff6c7 added goal_message;
wenzelm
parents: 24050
diff changeset
   399
      find_goal state;
25958
bcedde463850 statement: keep explicit position;
wenzelm
parents: 25227
diff changeset
   400
    val ctxt = if current_context then context_of state else goal_ctxt;
16146
4cf0af7ca7c9 method_cases: RuleCases.T option;
wenzelm
parents: 15979
diff changeset
   401
  in
25958
bcedde463850 statement: keep explicit position;
wenzelm
parents: 25227
diff changeset
   402
    Method.apply pos meth ctxt using goal |> Seq.map (fn (meth_cases, goal') =>
6848
3d82756e1af5 tuned print_state;
wenzelm
parents: 6798
diff changeset
   403
      state
16146
4cf0af7ca7c9 method_cases: RuleCases.T option;
wenzelm
parents: 15979
diff changeset
   404
      |> map_goal
18475
02093ed55e05 auto cases: marked improper;
wenzelm
parents: 18450
diff changeset
   405
          (ProofContext.add_cases false (no_goal_cases goal @ goal_cases goal') #>
02093ed55e05 auto cases: marked improper;
wenzelm
parents: 18450
diff changeset
   406
           ProofContext.add_cases true meth_cases)
24556
22ac3c8d78a5 reset goal messages after goal update;
wenzelm
parents: 24550
diff changeset
   407
          (K (statement, [], using, goal', before_qed, after_qed)))
16146
4cf0af7ca7c9 method_cases: RuleCases.T option;
wenzelm
parents: 15979
diff changeset
   408
  end;
5820
ff3c82b47603 Proof states and methods.
wenzelm
parents:
diff changeset
   409
19188
a4c82a9ff7d8 method: SelectGoals;
wenzelm
parents: 19100
diff changeset
   410
fun select_goals n meth state =
19224
a32d9dbe9551 select_goals: split original conjunctions;
wenzelm
parents: 19188
diff changeset
   411
  state
a32d9dbe9551 select_goals: split original conjunctions;
wenzelm
parents: 19188
diff changeset
   412
  |> (#2 o #2 o get_goal)
21687
f689f729afab reorganized structure Goal vs. Tactic;
wenzelm
parents: 21666
diff changeset
   413
  |> ALLGOALS Goal.conjunction_tac
19224
a32d9dbe9551 select_goals: split original conjunctions;
wenzelm
parents: 19188
diff changeset
   414
  |> Seq.maps (fn goal =>
19188
a4c82a9ff7d8 method: SelectGoals;
wenzelm
parents: 19100
diff changeset
   415
    state
21687
f689f729afab reorganized structure Goal vs. Tactic;
wenzelm
parents: 21666
diff changeset
   416
    |> Seq.lift set_goal (Goal.extract 1 n goal |> Seq.maps (Goal.conjunction_tac 1))
19188
a4c82a9ff7d8 method: SelectGoals;
wenzelm
parents: 19100
diff changeset
   417
    |> Seq.maps meth
a4c82a9ff7d8 method: SelectGoals;
wenzelm
parents: 19100
diff changeset
   418
    |> Seq.maps (fn state' => state'
a4c82a9ff7d8 method: SelectGoals;
wenzelm
parents: 19100
diff changeset
   419
      |> Seq.lift set_goal (Goal.retrofit 1 n (#2 (#2 (get_goal state'))) goal))
23360
9e3c0c1ad0ad apply_method/end_proof: pass position;
wenzelm
parents: 21727
diff changeset
   420
    |> Seq.maps (apply_method true Position.none (K Method.succeed)));
19188
a4c82a9ff7d8 method: SelectGoals;
wenzelm
parents: 19100
diff changeset
   421
17112
736f4b7841a8 moved after method.ML;
wenzelm
parents: 17034
diff changeset
   422
fun apply_text cc text state =
736f4b7841a8 moved after method.ML;
wenzelm
parents: 17034
diff changeset
   423
  let
736f4b7841a8 moved after method.ML;
wenzelm
parents: 17034
diff changeset
   424
    val thy = theory_of state;
23360
9e3c0c1ad0ad apply_method/end_proof: pass position;
wenzelm
parents: 21727
diff changeset
   425
    val pos_of = #2 o Args.dest_src;
17112
736f4b7841a8 moved after method.ML;
wenzelm
parents: 17034
diff changeset
   426
23360
9e3c0c1ad0ad apply_method/end_proof: pass position;
wenzelm
parents: 21727
diff changeset
   427
    fun eval (Method.Basic (m, pos)) = apply_method cc pos m
9e3c0c1ad0ad apply_method/end_proof: pass position;
wenzelm
parents: 21727
diff changeset
   428
      | eval (Method.Source src) = apply_method cc (pos_of src) (Method.method thy src)
9e3c0c1ad0ad apply_method/end_proof: pass position;
wenzelm
parents: 21727
diff changeset
   429
      | eval (Method.Source_i src) = apply_method cc (pos_of src) (Method.method_i thy src)
17112
736f4b7841a8 moved after method.ML;
wenzelm
parents: 17034
diff changeset
   430
      | eval (Method.Then txts) = Seq.EVERY (map eval txts)
736f4b7841a8 moved after method.ML;
wenzelm
parents: 17034
diff changeset
   431
      | eval (Method.Orelse txts) = Seq.FIRST (map eval txts)
736f4b7841a8 moved after method.ML;
wenzelm
parents: 17034
diff changeset
   432
      | eval (Method.Try txt) = Seq.TRY (eval txt)
19188
a4c82a9ff7d8 method: SelectGoals;
wenzelm
parents: 19100
diff changeset
   433
      | eval (Method.Repeat1 txt) = Seq.REPEAT1 (eval txt)
a4c82a9ff7d8 method: SelectGoals;
wenzelm
parents: 19100
diff changeset
   434
      | eval (Method.SelectGoals (n, txt)) = select_goals n (eval txt);
17112
736f4b7841a8 moved after method.ML;
wenzelm
parents: 17034
diff changeset
   435
  in eval text state end;
736f4b7841a8 moved after method.ML;
wenzelm
parents: 17034
diff changeset
   436
8234
36a85a6c4852 refine_end;
wenzelm
parents: 8206
diff changeset
   437
in
36a85a6c4852 refine_end;
wenzelm
parents: 8206
diff changeset
   438
17112
736f4b7841a8 moved after method.ML;
wenzelm
parents: 17034
diff changeset
   439
val refine = apply_text true;
736f4b7841a8 moved after method.ML;
wenzelm
parents: 17034
diff changeset
   440
val refine_end = apply_text false;
8234
36a85a6c4852 refine_end;
wenzelm
parents: 8206
diff changeset
   441
18908
fb080097e436 added refine_insert;
wenzelm
parents: 18878
diff changeset
   442
fun refine_insert [] = I
23360
9e3c0c1ad0ad apply_method/end_proof: pass position;
wenzelm
parents: 21727
diff changeset
   443
  | refine_insert ths = Seq.hd o refine (Method.Basic (K (Method.insert ths), Position.none));
18908
fb080097e436 added refine_insert;
wenzelm
parents: 18878
diff changeset
   444
8234
36a85a6c4852 refine_end;
wenzelm
parents: 8206
diff changeset
   445
end;
36a85a6c4852 refine_end;
wenzelm
parents: 8206
diff changeset
   446
5820
ff3c82b47603 Proof states and methods.
wenzelm
parents:
diff changeset
   447
17359
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   448
(* refine via sub-proof *)
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   449
20208
90e551baac6a export goal_tac (was internal refine_tac);
wenzelm
parents: 20031
diff changeset
   450
fun goal_tac rule =
21687
f689f729afab reorganized structure Goal vs. Tactic;
wenzelm
parents: 21666
diff changeset
   451
  Goal.norm_hhf_tac THEN' Tactic.rtac rule THEN_ALL_NEW
f689f729afab reorganized structure Goal vs. Tactic;
wenzelm
parents: 21666
diff changeset
   452
    (Goal.norm_hhf_tac THEN' (SUBGOAL (fn (goal, i) =>
18186
ad969501b7d4 ProofContext.mk_def;
wenzelm
parents: 18124
diff changeset
   453
      if can Logic.unprotect (Logic.strip_assums_concl goal) then
ad969501b7d4 ProofContext.mk_def;
wenzelm
parents: 18124
diff changeset
   454
        Tactic.etac Drule.protectI i
ad969501b7d4 ProofContext.mk_def;
wenzelm
parents: 18124
diff changeset
   455
      else all_tac)));
11816
545aab7410ac simplified exporter interface;
wenzelm
parents: 11793
diff changeset
   456
19915
b08e26fb247e ProofContext.exports: simultaneous facts;
wenzelm
parents: 19900
diff changeset
   457
fun refine_goals print_rule inner raw_rules state =
b08e26fb247e ProofContext.exports: simultaneous facts;
wenzelm
parents: 19900
diff changeset
   458
  let
b08e26fb247e ProofContext.exports: simultaneous facts;
wenzelm
parents: 19900
diff changeset
   459
    val (outer, (_, goal)) = get_goal state;
20208
90e551baac6a export goal_tac (was internal refine_tac);
wenzelm
parents: 20031
diff changeset
   460
    fun refine rule st = (print_rule outer rule; FINDGOAL (goal_tac rule) st);
19915
b08e26fb247e ProofContext.exports: simultaneous facts;
wenzelm
parents: 19900
diff changeset
   461
  in
b08e26fb247e ProofContext.exports: simultaneous facts;
wenzelm
parents: 19900
diff changeset
   462
    raw_rules
20309
7491ae0357b9 simplified Assumption/ProofContext.export;
wenzelm
parents: 20224
diff changeset
   463
    |> ProofContext.goal_export inner outer
7491ae0357b9 simplified Assumption/ProofContext.export;
wenzelm
parents: 20224
diff changeset
   464
    |> (fn rules => Seq.lift set_goal (EVERY (map refine rules) goal) state)
19915
b08e26fb247e ProofContext.exports: simultaneous facts;
wenzelm
parents: 19900
diff changeset
   465
  end;
17359
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   466
6932
77c14313af51 propp: 'concl' patterns;
wenzelm
parents: 6896
diff changeset
   467
17359
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   468
(* conclude_goal *)
6932
77c14313af51 propp: 'concl' patterns;
wenzelm
parents: 6896
diff changeset
   469
18503
841137f20307 goal/qed: proper treatment of two levels of conjunctions;
wenzelm
parents: 18475
diff changeset
   470
fun conclude_goal state goal propss =
5820
ff3c82b47603 Proof states and methods.
wenzelm
parents:
diff changeset
   471
  let
19774
5fe7731d0836 allow non-trivial schematic goals (via embedded term vars);
wenzelm
parents: 19585
diff changeset
   472
    val thy = theory_of state;
5820
ff3c82b47603 Proof states and methods.
wenzelm
parents:
diff changeset
   473
    val ctxt = context_of state;
24920
2a45e400fdad generic Syntax.pretty/string_of operations;
wenzelm
parents: 24794
diff changeset
   474
    val string_of_term = Syntax.string_of_term ctxt;
19774
5fe7731d0836 allow non-trivial schematic goals (via embedded term vars);
wenzelm
parents: 19585
diff changeset
   475
    val string_of_thm = ProofContext.string_of_thm ctxt;
5820
ff3c82b47603 Proof states and methods.
wenzelm
parents:
diff changeset
   476
17359
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   477
    val ngoals = Thm.nprems_of goal;
19774
5fe7731d0836 allow non-trivial schematic goals (via embedded term vars);
wenzelm
parents: 19585
diff changeset
   478
    val _ = ngoals = 0 orelse error (Pretty.string_of (Pretty.chunks
23639
961d1061e540 pretty_state: subgoal markup;
wenzelm
parents: 23418
diff changeset
   479
      (pretty_goals_local ctxt Markup.none (true, ! show_main_goal) (! Display.goals_limit) goal @
961d1061e540 pretty_state: subgoal markup;
wenzelm
parents: 23418
diff changeset
   480
        [Pretty.str (string_of_int ngoals ^ " unsolved goal(s)!")])));
20224
9c40a144ee0e moved basic assumption operations from structure ProofContext to Assumption;
wenzelm
parents: 20208
diff changeset
   481
9c40a144ee0e moved basic assumption operations from structure ProofContext to Assumption;
wenzelm
parents: 20208
diff changeset
   482
    val extra_hyps = Assumption.extra_hyps ctxt goal;
9c40a144ee0e moved basic assumption operations from structure ProofContext to Assumption;
wenzelm
parents: 20208
diff changeset
   483
    val _ = null extra_hyps orelse
9c40a144ee0e moved basic assumption operations from structure ProofContext to Assumption;
wenzelm
parents: 20208
diff changeset
   484
      error ("Additional hypotheses:\n" ^ cat_lines (map string_of_term extra_hyps));
5820
ff3c82b47603 Proof states and methods.
wenzelm
parents:
diff changeset
   485
23418
c195f6f13769 balanced conjunctions;
wenzelm
parents: 23360
diff changeset
   486
    fun lost_structure () = error ("Lost goal structure:\n" ^ string_of_thm goal);
c195f6f13769 balanced conjunctions;
wenzelm
parents: 23360
diff changeset
   487
23782
4dd0ba632e40 Proof terms for meta-conjunctions are now normalized before
berghofe
parents: 23639
diff changeset
   488
    val th = Goal.conclude
23806
wenzelm
parents: 23782
diff changeset
   489
      (if length (flat propss) > 1 then Thm.norm_proof goal else goal)
23782
4dd0ba632e40 Proof terms for meta-conjunctions are now normalized before
berghofe
parents: 23639
diff changeset
   490
      handle THM _ => lost_structure ();
23418
c195f6f13769 balanced conjunctions;
wenzelm
parents: 23360
diff changeset
   491
    val goal_propss = filter_out null propss;
c195f6f13769 balanced conjunctions;
wenzelm
parents: 23360
diff changeset
   492
    val results =
c195f6f13769 balanced conjunctions;
wenzelm
parents: 23360
diff changeset
   493
      Conjunction.elim_balanced (length goal_propss) th
c195f6f13769 balanced conjunctions;
wenzelm
parents: 23360
diff changeset
   494
      |> map2 Conjunction.elim_balanced (map length goal_propss)
c195f6f13769 balanced conjunctions;
wenzelm
parents: 23360
diff changeset
   495
      handle THM _ => lost_structure ();
c195f6f13769 balanced conjunctions;
wenzelm
parents: 23360
diff changeset
   496
    val _ = Unify.matches_list thy (flat goal_propss) (map Thm.prop_of (flat results)) orelse
19774
5fe7731d0836 allow non-trivial schematic goals (via embedded term vars);
wenzelm
parents: 19585
diff changeset
   497
      error ("Proved a different theorem:\n" ^ string_of_thm th);
23418
c195f6f13769 balanced conjunctions;
wenzelm
parents: 23360
diff changeset
   498
c195f6f13769 balanced conjunctions;
wenzelm
parents: 23360
diff changeset
   499
    fun recover_result ([] :: pss) thss = [] :: recover_result pss thss
c195f6f13769 balanced conjunctions;
wenzelm
parents: 23360
diff changeset
   500
      | recover_result (_ :: pss) (ths :: thss) = ths :: recover_result pss thss
c195f6f13769 balanced conjunctions;
wenzelm
parents: 23360
diff changeset
   501
      | recover_result [] [] = []
c195f6f13769 balanced conjunctions;
wenzelm
parents: 23360
diff changeset
   502
      | recover_result _ _ = lost_structure ();
c195f6f13769 balanced conjunctions;
wenzelm
parents: 23360
diff changeset
   503
  in recover_result propss results end;
5820
ff3c82b47603 Proof states and methods.
wenzelm
parents:
diff changeset
   504
ff3c82b47603 Proof states and methods.
wenzelm
parents:
diff changeset
   505
ff3c82b47603 Proof states and methods.
wenzelm
parents:
diff changeset
   506
ff3c82b47603 Proof states and methods.
wenzelm
parents:
diff changeset
   507
(*** structured proof commands ***)
ff3c82b47603 Proof states and methods.
wenzelm
parents:
diff changeset
   508
17112
736f4b7841a8 moved after method.ML;
wenzelm
parents: 17034
diff changeset
   509
(** context elements **)
5820
ff3c82b47603 Proof states and methods.
wenzelm
parents:
diff changeset
   510
17112
736f4b7841a8 moved after method.ML;
wenzelm
parents: 17034
diff changeset
   511
(* bindings *)
5820
ff3c82b47603 Proof states and methods.
wenzelm
parents:
diff changeset
   512
16813
67140ae50e77 removed ad-hoc atp_hook, cal_atp;
wenzelm
parents: 16539
diff changeset
   513
local
67140ae50e77 removed ad-hoc atp_hook, cal_atp;
wenzelm
parents: 16539
diff changeset
   514
17359
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   515
fun gen_bind bind args state =
5820
ff3c82b47603 Proof states and methods.
wenzelm
parents:
diff changeset
   516
  state
ff3c82b47603 Proof states and methods.
wenzelm
parents:
diff changeset
   517
  |> assert_forward
18308
f18a54840629 simulaneous 'def';
wenzelm
parents: 18228
diff changeset
   518
  |> map_context (bind args #> snd)
17359
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   519
  |> put_facts NONE;
5820
ff3c82b47603 Proof states and methods.
wenzelm
parents:
diff changeset
   520
16813
67140ae50e77 removed ad-hoc atp_hook, cal_atp;
wenzelm
parents: 16539
diff changeset
   521
in
67140ae50e77 removed ad-hoc atp_hook, cal_atp;
wenzelm
parents: 16539
diff changeset
   522
8617
33e2bd53aec3 support Hindley-Milner polymorphisms in binds and facts;
wenzelm
parents: 8582
diff changeset
   523
val match_bind = gen_bind (ProofContext.match_bind false);
33e2bd53aec3 support Hindley-Milner polymorphisms in binds and facts;
wenzelm
parents: 8582
diff changeset
   524
val match_bind_i = gen_bind (ProofContext.match_bind_i false);
33e2bd53aec3 support Hindley-Milner polymorphisms in binds and facts;
wenzelm
parents: 8582
diff changeset
   525
val let_bind = gen_bind (ProofContext.match_bind true);
33e2bd53aec3 support Hindley-Milner polymorphisms in binds and facts;
wenzelm
parents: 8582
diff changeset
   526
val let_bind_i = gen_bind (ProofContext.match_bind_i true);
5820
ff3c82b47603 Proof states and methods.
wenzelm
parents:
diff changeset
   527
16813
67140ae50e77 removed ad-hoc atp_hook, cal_atp;
wenzelm
parents: 16539
diff changeset
   528
end;
67140ae50e77 removed ad-hoc atp_hook, cal_atp;
wenzelm
parents: 16539
diff changeset
   529
5820
ff3c82b47603 Proof states and methods.
wenzelm
parents:
diff changeset
   530
17359
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   531
(* fix *)
9196
1f6f66fe777a facts: handle multiple lists of arguments;
wenzelm
parents: 8991
diff changeset
   532
12714
61af28328417 have_thmss vs. have_thmss_i;
wenzelm
parents: 12703
diff changeset
   533
local
61af28328417 have_thmss vs. have_thmss_i;
wenzelm
parents: 12703
diff changeset
   534
18670
c3f445b92aff uniform handling of fixes;
wenzelm
parents: 18607
diff changeset
   535
fun gen_fix add_fixes args =
17359
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   536
  assert_forward
19846
3a2d33a5a7b6 fixes: include mixfix syntax;
wenzelm
parents: 19774
diff changeset
   537
  #> map_context (snd o add_fixes args)
17359
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   538
  #> put_facts NONE;
5820
ff3c82b47603 Proof states and methods.
wenzelm
parents:
diff changeset
   539
16813
67140ae50e77 removed ad-hoc atp_hook, cal_atp;
wenzelm
parents: 16539
diff changeset
   540
in
67140ae50e77 removed ad-hoc atp_hook, cal_atp;
wenzelm
parents: 16539
diff changeset
   541
18670
c3f445b92aff uniform handling of fixes;
wenzelm
parents: 18607
diff changeset
   542
val fix = gen_fix ProofContext.add_fixes;
c3f445b92aff uniform handling of fixes;
wenzelm
parents: 18607
diff changeset
   543
val fix_i = gen_fix ProofContext.add_fixes_i;
5820
ff3c82b47603 Proof states and methods.
wenzelm
parents:
diff changeset
   544
16813
67140ae50e77 removed ad-hoc atp_hook, cal_atp;
wenzelm
parents: 16539
diff changeset
   545
end;
67140ae50e77 removed ad-hoc atp_hook, cal_atp;
wenzelm
parents: 16539
diff changeset
   546
5820
ff3c82b47603 Proof states and methods.
wenzelm
parents:
diff changeset
   547
17359
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   548
(* assume etc. *)
5820
ff3c82b47603 Proof states and methods.
wenzelm
parents:
diff changeset
   549
16813
67140ae50e77 removed ad-hoc atp_hook, cal_atp;
wenzelm
parents: 16539
diff changeset
   550
local
67140ae50e77 removed ad-hoc atp_hook, cal_atp;
wenzelm
parents: 16539
diff changeset
   551
17112
736f4b7841a8 moved after method.ML;
wenzelm
parents: 17034
diff changeset
   552
fun gen_assume asm prep_att exp args state =
5820
ff3c82b47603 Proof states and methods.
wenzelm
parents:
diff changeset
   553
  state
ff3c82b47603 Proof states and methods.
wenzelm
parents:
diff changeset
   554
  |> assert_forward
17112
736f4b7841a8 moved after method.ML;
wenzelm
parents: 17034
diff changeset
   555
  |> map_context_result (asm exp (Attrib.map_specs (prep_att (theory_of state)) args))
17359
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   556
  |> these_factss [] |> #2;
6932
77c14313af51 propp: 'concl' patterns;
wenzelm
parents: 6896
diff changeset
   557
16813
67140ae50e77 removed ad-hoc atp_hook, cal_atp;
wenzelm
parents: 16539
diff changeset
   558
in
67140ae50e77 removed ad-hoc atp_hook, cal_atp;
wenzelm
parents: 16539
diff changeset
   559
18728
6790126ab5f6 simplified type attribute;
wenzelm
parents: 18678
diff changeset
   560
val assm      = gen_assume ProofContext.add_assms Attrib.attribute;
18670
c3f445b92aff uniform handling of fixes;
wenzelm
parents: 18607
diff changeset
   561
val assm_i    = gen_assume ProofContext.add_assms_i (K I);
20224
9c40a144ee0e moved basic assumption operations from structure ProofContext to Assumption;
wenzelm
parents: 20208
diff changeset
   562
val assume    = assm Assumption.assume_export;
9c40a144ee0e moved basic assumption operations from structure ProofContext to Assumption;
wenzelm
parents: 20208
diff changeset
   563
val assume_i  = assm_i Assumption.assume_export;
9c40a144ee0e moved basic assumption operations from structure ProofContext to Assumption;
wenzelm
parents: 20208
diff changeset
   564
val presume   = assm Assumption.presume_export;
9c40a144ee0e moved basic assumption operations from structure ProofContext to Assumption;
wenzelm
parents: 20208
diff changeset
   565
val presume_i = assm_i Assumption.presume_export;
5820
ff3c82b47603 Proof states and methods.
wenzelm
parents:
diff changeset
   566
16813
67140ae50e77 removed ad-hoc atp_hook, cal_atp;
wenzelm
parents: 16539
diff changeset
   567
end;
67140ae50e77 removed ad-hoc atp_hook, cal_atp;
wenzelm
parents: 16539
diff changeset
   568
7271
442456b2a8bb assume: multiple args;
wenzelm
parents: 7201
diff changeset
   569
17359
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   570
(* def *)
11891
99569e5f0ab5 moved local defs to proof.ML (for locales);
wenzelm
parents: 11816
diff changeset
   571
16813
67140ae50e77 removed ad-hoc atp_hook, cal_atp;
wenzelm
parents: 16539
diff changeset
   572
local
67140ae50e77 removed ad-hoc atp_hook, cal_atp;
wenzelm
parents: 16539
diff changeset
   573
20913
7a4dceafab2d def(_i): LocalDefs.add_defs;
wenzelm
parents: 20872
diff changeset
   574
fun gen_def prep_att prep_vars prep_binds args state =
11891
99569e5f0ab5 moved local defs to proof.ML (for locales);
wenzelm
parents: 11816
diff changeset
   575
  let
99569e5f0ab5 moved local defs to proof.ML (for locales);
wenzelm
parents: 11816
diff changeset
   576
    val _ = assert_forward state;
17112
736f4b7841a8 moved after method.ML;
wenzelm
parents: 17034
diff changeset
   577
    val thy = theory_of state;
20913
7a4dceafab2d def(_i): LocalDefs.add_defs;
wenzelm
parents: 20872
diff changeset
   578
    val ctxt = context_of state;
11891
99569e5f0ab5 moved local defs to proof.ML (for locales);
wenzelm
parents: 11816
diff changeset
   579
20913
7a4dceafab2d def(_i): LocalDefs.add_defs;
wenzelm
parents: 20872
diff changeset
   580
    val (raw_name_atts, (raw_vars, raw_rhss)) = args |> split_list ||> split_list;
7a4dceafab2d def(_i): LocalDefs.add_defs;
wenzelm
parents: 20872
diff changeset
   581
    val name_atts = map (apsnd (map (prep_att thy))) raw_name_atts;
11891
99569e5f0ab5 moved local defs to proof.ML (for locales);
wenzelm
parents: 11816
diff changeset
   582
  in
20913
7a4dceafab2d def(_i): LocalDefs.add_defs;
wenzelm
parents: 20872
diff changeset
   583
    state
7a4dceafab2d def(_i): LocalDefs.add_defs;
wenzelm
parents: 20872
diff changeset
   584
    |> map_context_result (prep_vars (map (fn (x, mx) => (x, NONE, mx)) raw_vars))
7a4dceafab2d def(_i): LocalDefs.add_defs;
wenzelm
parents: 20872
diff changeset
   585
    |>> map (fn (x, _, mx) => (x, mx))
7a4dceafab2d def(_i): LocalDefs.add_defs;
wenzelm
parents: 20872
diff changeset
   586
    |-> (fn vars =>
7a4dceafab2d def(_i): LocalDefs.add_defs;
wenzelm
parents: 20872
diff changeset
   587
      map_context_result (prep_binds false (map swap raw_rhss))
7a4dceafab2d def(_i): LocalDefs.add_defs;
wenzelm
parents: 20872
diff changeset
   588
      #-> (fn rhss => map_context_result (LocalDefs.add_defs (vars ~~ (name_atts ~~ rhss)))))
7a4dceafab2d def(_i): LocalDefs.add_defs;
wenzelm
parents: 20872
diff changeset
   589
    |-> (put_facts o SOME o map (#2 o #2))
11891
99569e5f0ab5 moved local defs to proof.ML (for locales);
wenzelm
parents: 11816
diff changeset
   590
  end;
99569e5f0ab5 moved local defs to proof.ML (for locales);
wenzelm
parents: 11816
diff changeset
   591
16813
67140ae50e77 removed ad-hoc atp_hook, cal_atp;
wenzelm
parents: 16539
diff changeset
   592
in
67140ae50e77 removed ad-hoc atp_hook, cal_atp;
wenzelm
parents: 16539
diff changeset
   593
20913
7a4dceafab2d def(_i): LocalDefs.add_defs;
wenzelm
parents: 20872
diff changeset
   594
val def = gen_def Attrib.attribute ProofContext.read_vars ProofContext.match_bind;
7a4dceafab2d def(_i): LocalDefs.add_defs;
wenzelm
parents: 20872
diff changeset
   595
val def_i = gen_def (K I) ProofContext.cert_vars ProofContext.match_bind_i;
11891
99569e5f0ab5 moved local defs to proof.ML (for locales);
wenzelm
parents: 11816
diff changeset
   596
16813
67140ae50e77 removed ad-hoc atp_hook, cal_atp;
wenzelm
parents: 16539
diff changeset
   597
end;
67140ae50e77 removed ad-hoc atp_hook, cal_atp;
wenzelm
parents: 16539
diff changeset
   598
11891
99569e5f0ab5 moved local defs to proof.ML (for locales);
wenzelm
parents: 11816
diff changeset
   599
8374
ffb2eb084078 generalized FINDGOAL, HEADGOAL;
wenzelm
parents: 8239
diff changeset
   600
17112
736f4b7841a8 moved after method.ML;
wenzelm
parents: 17034
diff changeset
   601
(** facts **)
5820
ff3c82b47603 Proof states and methods.
wenzelm
parents:
diff changeset
   602
17359
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   603
(* chain *)
5820
ff3c82b47603 Proof states and methods.
wenzelm
parents:
diff changeset
   604
24011
8f2703c02241 chain/using: filter out dummy_thm;
wenzelm
parents: 23963
diff changeset
   605
fun clean_facts ctxt =
24050
248da5f0e735 renamed Drule.is_dummy_thm to Thm.is_dummy;
wenzelm
parents: 24011
diff changeset
   606
  put_facts (SOME (filter_out Thm.is_dummy (the_facts ctxt))) ctxt;
24011
8f2703c02241 chain/using: filter out dummy_thm;
wenzelm
parents: 23963
diff changeset
   607
17359
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   608
val chain =
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   609
  assert_forward
24011
8f2703c02241 chain/using: filter out dummy_thm;
wenzelm
parents: 23963
diff changeset
   610
  #> clean_facts
17359
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   611
  #> enter_chain;
5820
ff3c82b47603 Proof states and methods.
wenzelm
parents:
diff changeset
   612
17359
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   613
fun chain_facts facts =
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   614
  put_facts (SOME facts)
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   615
  #> chain;
5820
ff3c82b47603 Proof states and methods.
wenzelm
parents:
diff changeset
   616
ff3c82b47603 Proof states and methods.
wenzelm
parents:
diff changeset
   617
17359
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   618
(* note etc. *)
17112
736f4b7841a8 moved after method.ML;
wenzelm
parents: 17034
diff changeset
   619
28083
103d9282a946 explicit type Name.binding for higher-specification elements;
wenzelm
parents: 26922
diff changeset
   620
fun no_binding args = map (pair (Name.no_binding, [])) args;
17112
736f4b7841a8 moved after method.ML;
wenzelm
parents: 17034
diff changeset
   621
736f4b7841a8 moved after method.ML;
wenzelm
parents: 17034
diff changeset
   622
local
736f4b7841a8 moved after method.ML;
wenzelm
parents: 17034
diff changeset
   623
17359
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   624
fun gen_thmss note_ctxt more_facts opt_chain opt_result prep_atts args state =
17112
736f4b7841a8 moved after method.ML;
wenzelm
parents: 17034
diff changeset
   625
  state
736f4b7841a8 moved after method.ML;
wenzelm
parents: 17034
diff changeset
   626
  |> assert_forward
736f4b7841a8 moved after method.ML;
wenzelm
parents: 17034
diff changeset
   627
  |> map_context_result (note_ctxt (Attrib.map_facts (prep_atts (theory_of state)) args))
736f4b7841a8 moved after method.ML;
wenzelm
parents: 17034
diff changeset
   628
  |> these_factss (more_facts state)
17359
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   629
  ||> opt_chain
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   630
  |> opt_result;
17112
736f4b7841a8 moved after method.ML;
wenzelm
parents: 17034
diff changeset
   631
736f4b7841a8 moved after method.ML;
wenzelm
parents: 17034
diff changeset
   632
in
736f4b7841a8 moved after method.ML;
wenzelm
parents: 17034
diff changeset
   633
21442
56e54a2afe69 simplified theorem(_i);
wenzelm
parents: 21362
diff changeset
   634
val note_thmss = gen_thmss (ProofContext.note_thmss "") (K []) I #2 Attrib.attribute;
56e54a2afe69 simplified theorem(_i);
wenzelm
parents: 21362
diff changeset
   635
val note_thmss_i = gen_thmss (ProofContext.note_thmss_i "") (K []) I #2 (K I);
17112
736f4b7841a8 moved after method.ML;
wenzelm
parents: 17034
diff changeset
   636
736f4b7841a8 moved after method.ML;
wenzelm
parents: 17034
diff changeset
   637
val from_thmss =
21442
56e54a2afe69 simplified theorem(_i);
wenzelm
parents: 21362
diff changeset
   638
  gen_thmss (ProofContext.note_thmss "") (K []) chain #2 Attrib.attribute o no_binding;
56e54a2afe69 simplified theorem(_i);
wenzelm
parents: 21362
diff changeset
   639
val from_thmss_i = gen_thmss (ProofContext.note_thmss_i "") (K []) chain #2 (K I) o no_binding;
17112
736f4b7841a8 moved after method.ML;
wenzelm
parents: 17034
diff changeset
   640
736f4b7841a8 moved after method.ML;
wenzelm
parents: 17034
diff changeset
   641
val with_thmss =
21442
56e54a2afe69 simplified theorem(_i);
wenzelm
parents: 21362
diff changeset
   642
  gen_thmss (ProofContext.note_thmss "") the_facts chain #2 Attrib.attribute o no_binding;
56e54a2afe69 simplified theorem(_i);
wenzelm
parents: 21362
diff changeset
   643
val with_thmss_i = gen_thmss (ProofContext.note_thmss_i "") the_facts chain #2 (K I) o no_binding;
17359
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   644
18808
838fb803636e swapped Toplevel.theory_context;
wenzelm
parents: 18784
diff changeset
   645
val local_results =
21442
56e54a2afe69 simplified theorem(_i);
wenzelm
parents: 21362
diff changeset
   646
  gen_thmss (ProofContext.note_thmss_i "") (K []) I I (K I) o map (apsnd Thm.simple_fact);
17359
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   647
28083
103d9282a946 explicit type Name.binding for higher-specification elements;
wenzelm
parents: 26922
diff changeset
   648
fun get_thmss state srcs = the_facts (note_thmss [((Name.no_binding, []), srcs)] state);
17112
736f4b7841a8 moved after method.ML;
wenzelm
parents: 17034
diff changeset
   649
736f4b7841a8 moved after method.ML;
wenzelm
parents: 17034
diff changeset
   650
end;
736f4b7841a8 moved after method.ML;
wenzelm
parents: 17034
diff changeset
   651
736f4b7841a8 moved after method.ML;
wenzelm
parents: 17034
diff changeset
   652
18548
cb8e8fb9e52d added unfolding(_i);
wenzelm
parents: 18503
diff changeset
   653
(* using/unfolding *)
17112
736f4b7841a8 moved after method.ML;
wenzelm
parents: 17034
diff changeset
   654
736f4b7841a8 moved after method.ML;
wenzelm
parents: 17034
diff changeset
   655
local
736f4b7841a8 moved after method.ML;
wenzelm
parents: 17034
diff changeset
   656
18548
cb8e8fb9e52d added unfolding(_i);
wenzelm
parents: 18503
diff changeset
   657
fun gen_using f g note prep_atts args state =
17112
736f4b7841a8 moved after method.ML;
wenzelm
parents: 17034
diff changeset
   658
  state
736f4b7841a8 moved after method.ML;
wenzelm
parents: 17034
diff changeset
   659
  |> assert_backward
21442
56e54a2afe69 simplified theorem(_i);
wenzelm
parents: 21362
diff changeset
   660
  |> map_context_result
56e54a2afe69 simplified theorem(_i);
wenzelm
parents: 21362
diff changeset
   661
    (note "" (Attrib.map_facts (prep_atts (theory_of state)) (no_binding args)))
18843
23db974a0575 'unfolding': LocalDefs.unfold;
wenzelm
parents: 18826
diff changeset
   662
  |> (fn (named_facts, state') =>
24556
22ac3c8d78a5 reset goal messages after goal update;
wenzelm
parents: 24550
diff changeset
   663
    state' |> map_goal I (fn (statement, _, using, goal, before_qed, after_qed) =>
18843
23db974a0575 'unfolding': LocalDefs.unfold;
wenzelm
parents: 18826
diff changeset
   664
      let
23db974a0575 'unfolding': LocalDefs.unfold;
wenzelm
parents: 18826
diff changeset
   665
        val ctxt = context_of state';
19482
9f11af8f7ef9 tuned basic list operators (flat, maps, map_filter);
wenzelm
parents: 19475
diff changeset
   666
        val ths = maps snd named_facts;
24556
22ac3c8d78a5 reset goal messages after goal update;
wenzelm
parents: 24550
diff changeset
   667
      in (statement, [], f ctxt ths using, g ctxt ths goal, before_qed, after_qed) end));
18548
cb8e8fb9e52d added unfolding(_i);
wenzelm
parents: 18503
diff changeset
   668
24050
248da5f0e735 renamed Drule.is_dummy_thm to Thm.is_dummy;
wenzelm
parents: 24011
diff changeset
   669
fun append_using _ ths using = using @ filter_out Thm.is_dummy ths;
18878
08b06ec0ef74 tuned LocalDefs.unfold;
wenzelm
parents: 18843
diff changeset
   670
fun unfold_using ctxt ths = map (LocalDefs.unfold ctxt ths);
08b06ec0ef74 tuned LocalDefs.unfold;
wenzelm
parents: 18843
diff changeset
   671
val unfold_goals = LocalDefs.unfold_goals;
17112
736f4b7841a8 moved after method.ML;
wenzelm
parents: 17034
diff changeset
   672
736f4b7841a8 moved after method.ML;
wenzelm
parents: 17034
diff changeset
   673
in
736f4b7841a8 moved after method.ML;
wenzelm
parents: 17034
diff changeset
   674
18843
23db974a0575 'unfolding': LocalDefs.unfold;
wenzelm
parents: 18826
diff changeset
   675
val using = gen_using append_using (K (K I)) ProofContext.note_thmss Attrib.attribute;
23db974a0575 'unfolding': LocalDefs.unfold;
wenzelm
parents: 18826
diff changeset
   676
val using_i = gen_using append_using (K (K I)) ProofContext.note_thmss_i (K I);
18826
2a805b3dd9f0 LocalDefs;
wenzelm
parents: 18808
diff changeset
   677
val unfolding = gen_using unfold_using unfold_goals ProofContext.note_thmss Attrib.attribute;
2a805b3dd9f0 LocalDefs;
wenzelm
parents: 18808
diff changeset
   678
val unfolding_i = gen_using unfold_using unfold_goals ProofContext.note_thmss_i (K I);
17112
736f4b7841a8 moved after method.ML;
wenzelm
parents: 17034
diff changeset
   679
736f4b7841a8 moved after method.ML;
wenzelm
parents: 17034
diff changeset
   680
end;
736f4b7841a8 moved after method.ML;
wenzelm
parents: 17034
diff changeset
   681
736f4b7841a8 moved after method.ML;
wenzelm
parents: 17034
diff changeset
   682
736f4b7841a8 moved after method.ML;
wenzelm
parents: 17034
diff changeset
   683
(* case *)
736f4b7841a8 moved after method.ML;
wenzelm
parents: 17034
diff changeset
   684
736f4b7841a8 moved after method.ML;
wenzelm
parents: 17034
diff changeset
   685
local
736f4b7841a8 moved after method.ML;
wenzelm
parents: 17034
diff changeset
   686
736f4b7841a8 moved after method.ML;
wenzelm
parents: 17034
diff changeset
   687
fun gen_invoke_case prep_att (name, xs, raw_atts) state =
736f4b7841a8 moved after method.ML;
wenzelm
parents: 17034
diff changeset
   688
  let
736f4b7841a8 moved after method.ML;
wenzelm
parents: 17034
diff changeset
   689
    val atts = map (prep_att (theory_of state)) raw_atts;
19078
97971a84f0c7 added put_thms_internal;
wenzelm
parents: 19000
diff changeset
   690
    val (asms, state') = state |> map_context_result (fn ctxt =>
97971a84f0c7 added put_thms_internal;
wenzelm
parents: 19000
diff changeset
   691
      ctxt |> ProofContext.apply_case (ProofContext.get_case ctxt name xs));
28083
103d9282a946 explicit type Name.binding for higher-specification elements;
wenzelm
parents: 26922
diff changeset
   692
    val assumptions = asms |> map (fn (a, ts) => ((Name.binding a, atts), map (rpair []) ts));
17112
736f4b7841a8 moved after method.ML;
wenzelm
parents: 17034
diff changeset
   693
  in
736f4b7841a8 moved after method.ML;
wenzelm
parents: 17034
diff changeset
   694
    state'
17359
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   695
    |> map_context (ProofContext.qualified_names #> ProofContext.no_base_names)
17112
736f4b7841a8 moved after method.ML;
wenzelm
parents: 17034
diff changeset
   696
    |> assume_i assumptions
17976
5ca9ff44a149 export add_binds_i;
wenzelm
parents: 17903
diff changeset
   697
    |> add_binds_i AutoBind.no_facts
17112
736f4b7841a8 moved after method.ML;
wenzelm
parents: 17034
diff changeset
   698
    |> map_context (ProofContext.restore_naming (context_of state))
28083
103d9282a946 explicit type Name.binding for higher-specification elements;
wenzelm
parents: 26922
diff changeset
   699
    |> `the_facts |-> (fn thms => note_thmss_i [((Name.binding name, []), [(thms, [])])])
17112
736f4b7841a8 moved after method.ML;
wenzelm
parents: 17034
diff changeset
   700
  end;
736f4b7841a8 moved after method.ML;
wenzelm
parents: 17034
diff changeset
   701
736f4b7841a8 moved after method.ML;
wenzelm
parents: 17034
diff changeset
   702
in
736f4b7841a8 moved after method.ML;
wenzelm
parents: 17034
diff changeset
   703
18728
6790126ab5f6 simplified type attribute;
wenzelm
parents: 18678
diff changeset
   704
val invoke_case = gen_invoke_case Attrib.attribute;
17112
736f4b7841a8 moved after method.ML;
wenzelm
parents: 17034
diff changeset
   705
val invoke_case_i = gen_invoke_case (K I);
736f4b7841a8 moved after method.ML;
wenzelm
parents: 17034
diff changeset
   706
736f4b7841a8 moved after method.ML;
wenzelm
parents: 17034
diff changeset
   707
end;
736f4b7841a8 moved after method.ML;
wenzelm
parents: 17034
diff changeset
   708
736f4b7841a8 moved after method.ML;
wenzelm
parents: 17034
diff changeset
   709
736f4b7841a8 moved after method.ML;
wenzelm
parents: 17034
diff changeset
   710
17359
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   711
(** proof structure **)
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   712
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   713
(* blocks *)
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   714
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   715
val begin_block =
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   716
  assert_forward
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   717
  #> open_block
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   718
  #> put_goal NONE
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   719
  #> open_block;
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   720
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   721
val next_block =
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   722
  assert_forward
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   723
  #> close_block
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   724
  #> open_block
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   725
  #> put_goal NONE
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   726
  #> put_facts NONE;
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   727
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   728
fun end_block state =
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   729
  state
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   730
  |> assert_forward
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   731
  |> close_block
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   732
  |> assert_current_goal false
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   733
  |> close_block
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   734
  |> export_facts state;
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   735
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   736
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   737
(* sub-proofs *)
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   738
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   739
fun proof opt_text =
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   740
  assert_backward
17859
f1d298e33760 goal statements: before_qed argument;
wenzelm
parents: 17756
diff changeset
   741
  #> refine (the_default Method.default_text opt_text)
17359
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   742
  #> Seq.map (using_facts [] #> enter_forward);
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   743
23360
9e3c0c1ad0ad apply_method/end_proof: pass position;
wenzelm
parents: 21727
diff changeset
   744
fun end_proof bot txt state =
9e3c0c1ad0ad apply_method/end_proof: pass position;
wenzelm
parents: 21727
diff changeset
   745
  state
9e3c0c1ad0ad apply_method/end_proof: pass position;
wenzelm
parents: 21727
diff changeset
   746
  |> assert_forward
9e3c0c1ad0ad apply_method/end_proof: pass position;
wenzelm
parents: 21727
diff changeset
   747
  |> assert_bottom bot
9e3c0c1ad0ad apply_method/end_proof: pass position;
wenzelm
parents: 21727
diff changeset
   748
  |> close_block
9e3c0c1ad0ad apply_method/end_proof: pass position;
wenzelm
parents: 21727
diff changeset
   749
  |> assert_current_goal true
9e3c0c1ad0ad apply_method/end_proof: pass position;
wenzelm
parents: 21727
diff changeset
   750
  |> using_facts []
9e3c0c1ad0ad apply_method/end_proof: pass position;
wenzelm
parents: 21727
diff changeset
   751
  |> `before_qed |-> (refine o the_default Method.succeed_text)
25958
bcedde463850 statement: keep explicit position;
wenzelm
parents: 25227
diff changeset
   752
  |> Seq.maps (refine (Method.finish_text txt (Position.thread_data ())));
17359
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   753
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   754
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   755
(* unstructured refinement *)
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   756
23360
9e3c0c1ad0ad apply_method/end_proof: pass position;
wenzelm
parents: 21727
diff changeset
   757
fun defer i = assert_no_chain #> refine (Method.Basic (K (Method.defer i), Position.none));
9e3c0c1ad0ad apply_method/end_proof: pass position;
wenzelm
parents: 21727
diff changeset
   758
fun prefer i = assert_no_chain #> refine (Method.Basic (K (Method.prefer i), Position.none));
17359
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   759
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   760
fun apply text = assert_backward #> refine text #> Seq.map (using_facts []);
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   761
fun apply_end text = assert_forward #> refine_end text;
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   762
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   763
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   764
17112
736f4b7841a8 moved after method.ML;
wenzelm
parents: 17034
diff changeset
   765
(** goals **)
736f4b7841a8 moved after method.ML;
wenzelm
parents: 17034
diff changeset
   766
17359
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   767
(* generic goals *)
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   768
19774
5fe7731d0836 allow non-trivial schematic goals (via embedded term vars);
wenzelm
parents: 19585
diff changeset
   769
local
5fe7731d0836 allow non-trivial schematic goals (via embedded term vars);
wenzelm
parents: 19585
diff changeset
   770
19846
3a2d33a5a7b6 fixes: include mixfix syntax;
wenzelm
parents: 19774
diff changeset
   771
fun implicit_vars dest add props =
3a2d33a5a7b6 fixes: include mixfix syntax;
wenzelm
parents: 19774
diff changeset
   772
  let
3a2d33a5a7b6 fixes: include mixfix syntax;
wenzelm
parents: 19774
diff changeset
   773
    val (explicit_vars, props') = take_prefix (can dest) props |>> map dest;
3a2d33a5a7b6 fixes: include mixfix syntax;
wenzelm
parents: 19774
diff changeset
   774
    val vars = rev (subtract (op =) explicit_vars (fold add props []));
3a2d33a5a7b6 fixes: include mixfix syntax;
wenzelm
parents: 19774
diff changeset
   775
    val _ =
3a2d33a5a7b6 fixes: include mixfix syntax;
wenzelm
parents: 19774
diff changeset
   776
      if null vars then ()
3a2d33a5a7b6 fixes: include mixfix syntax;
wenzelm
parents: 19774
diff changeset
   777
      else warning ("Goal statement contains unbound schematic variable(s): " ^
3a2d33a5a7b6 fixes: include mixfix syntax;
wenzelm
parents: 19774
diff changeset
   778
        commas_quote (map (Term.string_of_vname o fst) vars));
3a2d33a5a7b6 fixes: include mixfix syntax;
wenzelm
parents: 19774
diff changeset
   779
  in (rev vars, props') end;
19774
5fe7731d0836 allow non-trivial schematic goals (via embedded term vars);
wenzelm
parents: 19585
diff changeset
   780
5fe7731d0836 allow non-trivial schematic goals (via embedded term vars);
wenzelm
parents: 19585
diff changeset
   781
fun refine_terms n =
5fe7731d0836 allow non-trivial schematic goals (via embedded term vars);
wenzelm
parents: 19585
diff changeset
   782
  refine (Method.Basic (K (Method.RAW_METHOD
5fe7731d0836 allow non-trivial schematic goals (via embedded term vars);
wenzelm
parents: 19585
diff changeset
   783
    (K (HEADGOAL (PRECISE_CONJUNCTS n
23360
9e3c0c1ad0ad apply_method/end_proof: pass position;
wenzelm
parents: 21727
diff changeset
   784
      (HEADGOAL (CONJUNCTS (ALLGOALS (rtac Drule.termI)))))))), Position.none))
19774
5fe7731d0836 allow non-trivial schematic goals (via embedded term vars);
wenzelm
parents: 19585
diff changeset
   785
  #> Seq.hd;
5fe7731d0836 allow non-trivial schematic goals (via embedded term vars);
wenzelm
parents: 19585
diff changeset
   786
5fe7731d0836 allow non-trivial schematic goals (via embedded term vars);
wenzelm
parents: 19585
diff changeset
   787
in
17359
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   788
17859
f1d298e33760 goal statements: before_qed argument;
wenzelm
parents: 17756
diff changeset
   789
fun generic_goal prepp kind before_qed after_qed raw_propp state =
5820
ff3c82b47603 Proof states and methods.
wenzelm
parents:
diff changeset
   790
  let
17359
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   791
    val thy = theory_of state;
23418
c195f6f13769 balanced conjunctions;
wenzelm
parents: 23360
diff changeset
   792
    val cert = Thm.cterm_of thy;
17359
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   793
    val chaining = can assert_chain state;
25958
bcedde463850 statement: keep explicit position;
wenzelm
parents: 25227
diff changeset
   794
    val pos = Position.thread_data ();
17359
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   795
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   796
    val ((propss, after_ctxt), goal_state) =
5936
406eb27fe53c match_bind(_i): 'as' patterns;
wenzelm
parents: 5918
diff changeset
   797
      state
406eb27fe53c match_bind(_i): 'as' patterns;
wenzelm
parents: 5918
diff changeset
   798
      |> assert_forward_or_chain
406eb27fe53c match_bind(_i): 'as' patterns;
wenzelm
parents: 5918
diff changeset
   799
      |> enter_forward
17359
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   800
      |> open_block
17859
f1d298e33760 goal statements: before_qed argument;
wenzelm
parents: 17756
diff changeset
   801
      |> map_context_result (fn ctxt => swap (prepp (ctxt, raw_propp)));
19482
9f11af8f7ef9 tuned basic list operators (flat, maps, map_filter);
wenzelm
parents: 19475
diff changeset
   802
    val props = flat propss;
15703
727ef1b8b3ee *** empty log message ***
wenzelm
parents: 15696
diff changeset
   803
19846
3a2d33a5a7b6 fixes: include mixfix syntax;
wenzelm
parents: 19774
diff changeset
   804
    val (_, props') =
3a2d33a5a7b6 fixes: include mixfix syntax;
wenzelm
parents: 19774
diff changeset
   805
      implicit_vars (dest_TVar o Logic.dest_type o Logic.dest_term) Term.add_tvars props;
3a2d33a5a7b6 fixes: include mixfix syntax;
wenzelm
parents: 19774
diff changeset
   806
    val (vars, _) = implicit_vars (dest_Var o Logic.dest_term) Term.add_vars props';
19774
5fe7731d0836 allow non-trivial schematic goals (via embedded term vars);
wenzelm
parents: 19585
diff changeset
   807
5fe7731d0836 allow non-trivial schematic goals (via embedded term vars);
wenzelm
parents: 19585
diff changeset
   808
    val propss' = map (Logic.mk_term o Var) vars :: propss;
23418
c195f6f13769 balanced conjunctions;
wenzelm
parents: 23360
diff changeset
   809
    val goal_propss = filter_out null propss';
28410
927e603def1f promise global proofs;
wenzelm
parents: 28375
diff changeset
   810
    val goal = cert (Logic.mk_conjunction_balanced (map Logic.mk_conjunction_balanced goal_propss));
927e603def1f promise global proofs;
wenzelm
parents: 28375
diff changeset
   811
    val statement = ((kind, pos), propss', goal);
18124
a310c78298f9 simplified after_qed;
wenzelm
parents: 18041
diff changeset
   812
    val after_qed' = after_qed |>> (fn after_local =>
a310c78298f9 simplified after_qed;
wenzelm
parents: 18041
diff changeset
   813
      fn results => map_context after_ctxt #> after_local results);
5820
ff3c82b47603 Proof states and methods.
wenzelm
parents:
diff changeset
   814
  in
17359
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   815
    goal_state
21727
5acd4f35d26f init_context: reset naming;
wenzelm
parents: 21687
diff changeset
   816
    |> map_context (init_context #> Variable.set_body true)
28410
927e603def1f promise global proofs;
wenzelm
parents: 28375
diff changeset
   817
    |> put_goal (SOME (make_goal (statement, [], [], Goal.init goal, before_qed, after_qed')))
17359
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   818
    |> map_context (ProofContext.auto_bind_goal props)
21565
bd28361f4c5b simplified '?' operator;
wenzelm
parents: 21466
diff changeset
   819
    |> chaining ? (`the_facts #-> using_facts)
17359
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   820
    |> put_facts NONE
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   821
    |> open_block
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   822
    |> put_goal NONE
5820
ff3c82b47603 Proof states and methods.
wenzelm
parents:
diff changeset
   823
    |> enter_backward
23418
c195f6f13769 balanced conjunctions;
wenzelm
parents: 23360
diff changeset
   824
    |> not (null vars) ? refine_terms (length goal_propss)
23360
9e3c0c1ad0ad apply_method/end_proof: pass position;
wenzelm
parents: 21727
diff changeset
   825
    |> null props ? (refine (Method.Basic (Method.assumption, Position.none)) #> Seq.hd)
5820
ff3c82b47603 Proof states and methods.
wenzelm
parents:
diff changeset
   826
  end;
ff3c82b47603 Proof states and methods.
wenzelm
parents:
diff changeset
   827
17359
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   828
fun generic_qed state =
12503
52994bfef01b Locale.activate_context;
wenzelm
parents: 12423
diff changeset
   829
  let
25958
bcedde463850 statement: keep explicit position;
wenzelm
parents: 25227
diff changeset
   830
    val (goal_ctxt, {statement, goal, after_qed, ...}) = current_goal state;
8617
33e2bd53aec3 support Hindley-Milner polymorphisms in binds and facts;
wenzelm
parents: 8582
diff changeset
   831
    val outer_state = state |> close_block;
33e2bd53aec3 support Hindley-Milner polymorphisms in binds and facts;
wenzelm
parents: 8582
diff changeset
   832
    val outer_ctxt = context_of outer_state;
33e2bd53aec3 support Hindley-Milner polymorphisms in binds and facts;
wenzelm
parents: 8582
diff changeset
   833
28410
927e603def1f promise global proofs;
wenzelm
parents: 28375
diff changeset
   834
    val ((_, pos), stmt, _) = statement;
18503
841137f20307 goal/qed: proper treatment of two levels of conjunctions;
wenzelm
parents: 18475
diff changeset
   835
    val props =
19774
5fe7731d0836 allow non-trivial schematic goals (via embedded term vars);
wenzelm
parents: 19585
diff changeset
   836
      flat (tl stmt)
19915
b08e26fb247e ProofContext.exports: simultaneous facts;
wenzelm
parents: 19900
diff changeset
   837
      |> Variable.exportT_terms goal_ctxt outer_ctxt;
17359
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   838
    val results =
19774
5fe7731d0836 allow non-trivial schematic goals (via embedded term vars);
wenzelm
parents: 19585
diff changeset
   839
      tl (conclude_goal state goal stmt)
20309
7491ae0357b9 simplified Assumption/ProofContext.export;
wenzelm
parents: 20224
diff changeset
   840
      |> burrow (ProofContext.export goal_ctxt outer_ctxt);
25958
bcedde463850 statement: keep explicit position;
wenzelm
parents: 25227
diff changeset
   841
bcedde463850 statement: keep explicit position;
wenzelm
parents: 25227
diff changeset
   842
    val (after_local, after_global) = after_qed;
bcedde463850 statement: keep explicit position;
wenzelm
parents: 25227
diff changeset
   843
    fun after_local' x y = Position.setmp_thread_data_seq pos (fn () => after_local x y) ();
bcedde463850 statement: keep explicit position;
wenzelm
parents: 25227
diff changeset
   844
    fun after_global' x y = Position.setmp_thread_data pos (fn () => after_global x y) ();
17359
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   845
  in
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   846
    outer_state
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   847
    |> map_context (ProofContext.auto_bind_facts props)
25958
bcedde463850 statement: keep explicit position;
wenzelm
parents: 25227
diff changeset
   848
    |> pair ((after_local', after_global'), results)
17359
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   849
  end;
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   850
19774
5fe7731d0836 allow non-trivial schematic goals (via embedded term vars);
wenzelm
parents: 19585
diff changeset
   851
end;
5fe7731d0836 allow non-trivial schematic goals (via embedded term vars);
wenzelm
parents: 19585
diff changeset
   852
9469
8058d285b1cd export RANGE, hard_asm_tac, soft_asm_tac;
wenzelm
parents: 9292
diff changeset
   853
17359
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   854
(* local goals *)
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   855
17859
f1d298e33760 goal statements: before_qed argument;
wenzelm
parents: 17756
diff changeset
   856
fun local_goal print_results prep_att prepp kind before_qed after_qed stmt state =
17359
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   857
  let
21362
3a2ab1dce297 simplified Proof.theorem(_i) interface -- removed target support;
wenzelm
parents: 21274
diff changeset
   858
    val thy = theory_of state;
3a2ab1dce297 simplified Proof.theorem(_i) interface -- removed target support;
wenzelm
parents: 21274
diff changeset
   859
    val ((names, attss), propp) =
3a2ab1dce297 simplified Proof.theorem(_i) interface -- removed target support;
wenzelm
parents: 21274
diff changeset
   860
      Attrib.map_specs (prep_att thy) stmt |> split_list |>> split_list;
17359
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   861
18124
a310c78298f9 simplified after_qed;
wenzelm
parents: 18041
diff changeset
   862
    fun after_qed' results =
18808
838fb803636e swapped Toplevel.theory_context;
wenzelm
parents: 18784
diff changeset
   863
      local_results ((names ~~ attss) ~~ results)
17359
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   864
      #-> (fn res => tap (fn st => print_results (context_of st) ((kind, ""), res) : unit))
18124
a310c78298f9 simplified after_qed;
wenzelm
parents: 18041
diff changeset
   865
      #> after_qed results;
5820
ff3c82b47603 Proof states and methods.
wenzelm
parents:
diff changeset
   866
  in
17359
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   867
    state
21362
3a2ab1dce297 simplified Proof.theorem(_i) interface -- removed target support;
wenzelm
parents: 21274
diff changeset
   868
    |> generic_goal prepp kind before_qed (after_qed', K I) propp
19900
21a99d88d925 ProofContext: moved variable operations to struct Variable;
wenzelm
parents: 19862
diff changeset
   869
    |> tap (Variable.warn_extra_tfrees (context_of state) o context_of)
5820
ff3c82b47603 Proof states and methods.
wenzelm
parents:
diff changeset
   870
  end;
ff3c82b47603 Proof states and methods.
wenzelm
parents:
diff changeset
   871
17359
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   872
fun local_qed txt =
20309
7491ae0357b9 simplified Assumption/ProofContext.export;
wenzelm
parents: 20224
diff changeset
   873
  end_proof false txt #>
7491ae0357b9 simplified Assumption/ProofContext.export;
wenzelm
parents: 20224
diff changeset
   874
  Seq.maps (generic_qed #-> (fn ((after_qed, _), results) => after_qed results));
5820
ff3c82b47603 Proof states and methods.
wenzelm
parents:
diff changeset
   875
ff3c82b47603 Proof states and methods.
wenzelm
parents:
diff changeset
   876
17359
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   877
(* global goals *)
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   878
21442
56e54a2afe69 simplified theorem(_i);
wenzelm
parents: 21362
diff changeset
   879
fun global_goal prepp before_qed after_qed propp ctxt =
21362
3a2ab1dce297 simplified Proof.theorem(_i) interface -- removed target support;
wenzelm
parents: 21274
diff changeset
   880
  init ctxt
21442
56e54a2afe69 simplified theorem(_i);
wenzelm
parents: 21362
diff changeset
   881
  |> generic_goal (prepp #> ProofContext.auto_fixes) ""
21362
3a2ab1dce297 simplified Proof.theorem(_i) interface -- removed target support;
wenzelm
parents: 21274
diff changeset
   882
    before_qed (K Seq.single, after_qed) propp;
17359
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   883
21362
3a2ab1dce297 simplified Proof.theorem(_i) interface -- removed target support;
wenzelm
parents: 21274
diff changeset
   884
val theorem = global_goal ProofContext.bind_propp_schematic;
3a2ab1dce297 simplified Proof.theorem(_i) interface -- removed target support;
wenzelm
parents: 21274
diff changeset
   885
val theorem_i = global_goal ProofContext.bind_propp_schematic_i;
12065
5f7f44d5e3dd theorem(_i): locale atts;
wenzelm
parents: 12055
diff changeset
   886
18678
dd0c569fa43d sane ERROR handling;
wenzelm
parents: 18670
diff changeset
   887
fun check_result msg sq =
17112
736f4b7841a8 moved after method.ML;
wenzelm
parents: 17034
diff changeset
   888
  (case Seq.pull sq of
18678
dd0c569fa43d sane ERROR handling;
wenzelm
parents: 18670
diff changeset
   889
    NONE => error msg
19475
8aa2b380614a curried Seq.cons;
wenzelm
parents: 19423
diff changeset
   890
  | SOME (s', sq') => Seq.cons s' sq');
17112
736f4b7841a8 moved after method.ML;
wenzelm
parents: 17034
diff changeset
   891
17359
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   892
fun global_qeds txt =
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   893
  end_proof true txt
20309
7491ae0357b9 simplified Assumption/ProofContext.export;
wenzelm
parents: 20224
diff changeset
   894
  #> Seq.map (generic_qed #> (fn (((_, after_qed), results), state) =>
20363
f34c5dbe74d5 global goals/qeds: after_qed operates on Proof.context (potentially local_theory);
wenzelm
parents: 20341
diff changeset
   895
    after_qed results (context_of state)))
17112
736f4b7841a8 moved after method.ML;
wenzelm
parents: 17034
diff changeset
   896
  |> Seq.DETERM;   (*backtracking may destroy theory!*)
736f4b7841a8 moved after method.ML;
wenzelm
parents: 17034
diff changeset
   897
18678
dd0c569fa43d sane ERROR handling;
wenzelm
parents: 18670
diff changeset
   898
fun global_qed txt =
dd0c569fa43d sane ERROR handling;
wenzelm
parents: 18670
diff changeset
   899
  global_qeds txt
dd0c569fa43d sane ERROR handling;
wenzelm
parents: 18670
diff changeset
   900
  #> check_result "Failed to finish proof"
dd0c569fa43d sane ERROR handling;
wenzelm
parents: 18670
diff changeset
   901
  #> Seq.hd;
12959
bf48fd86a732 clarified localized multi statements;
wenzelm
parents: 12930
diff changeset
   902
5820
ff3c82b47603 Proof states and methods.
wenzelm
parents:
diff changeset
   903
17359
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   904
(* concluding steps *)
17112
736f4b7841a8 moved after method.ML;
wenzelm
parents: 17034
diff changeset
   905
17359
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   906
fun local_terminal_proof (text, opt_text) =
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   907
  proof (SOME text) #> Seq.maps (local_qed (opt_text, true));
17112
736f4b7841a8 moved after method.ML;
wenzelm
parents: 17034
diff changeset
   908
736f4b7841a8 moved after method.ML;
wenzelm
parents: 17034
diff changeset
   909
val local_default_proof = local_terminal_proof (Method.default_text, NONE);
736f4b7841a8 moved after method.ML;
wenzelm
parents: 17034
diff changeset
   910
val local_immediate_proof = local_terminal_proof (Method.this_text, NONE);
17359
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   911
val local_done_proof = proof (SOME Method.done_text) #> Seq.maps (local_qed (NONE, false));
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   912
fun local_skip_proof int = local_terminal_proof (Method.sorry_text int, NONE);
17112
736f4b7841a8 moved after method.ML;
wenzelm
parents: 17034
diff changeset
   913
18678
dd0c569fa43d sane ERROR handling;
wenzelm
parents: 18670
diff changeset
   914
fun global_term_proof immed (text, opt_text) =
dd0c569fa43d sane ERROR handling;
wenzelm
parents: 18670
diff changeset
   915
  proof (SOME text)
dd0c569fa43d sane ERROR handling;
wenzelm
parents: 18670
diff changeset
   916
  #> check_result "Terminal proof method failed"
dd0c569fa43d sane ERROR handling;
wenzelm
parents: 18670
diff changeset
   917
  #> Seq.maps (global_qeds (opt_text, immed))
dd0c569fa43d sane ERROR handling;
wenzelm
parents: 18670
diff changeset
   918
  #> check_result "Failed to finish proof (after successful terminal method)"
dd0c569fa43d sane ERROR handling;
wenzelm
parents: 18670
diff changeset
   919
  #> Seq.hd;
17112
736f4b7841a8 moved after method.ML;
wenzelm
parents: 17034
diff changeset
   920
736f4b7841a8 moved after method.ML;
wenzelm
parents: 17034
diff changeset
   921
val global_terminal_proof = global_term_proof true;
736f4b7841a8 moved after method.ML;
wenzelm
parents: 17034
diff changeset
   922
val global_default_proof = global_terminal_proof (Method.default_text, NONE);
736f4b7841a8 moved after method.ML;
wenzelm
parents: 17034
diff changeset
   923
val global_immediate_proof = global_terminal_proof (Method.this_text, NONE);
736f4b7841a8 moved after method.ML;
wenzelm
parents: 17034
diff changeset
   924
val global_done_proof = global_term_proof false (Method.done_text, NONE);
17359
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   925
fun global_skip_proof int = global_terminal_proof (Method.sorry_text int, NONE);
5820
ff3c82b47603 Proof states and methods.
wenzelm
parents:
diff changeset
   926
6896
4bdc3600ddae close_block: transfer_used_names;
wenzelm
parents: 6891
diff changeset
   927
17359
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   928
(* common goal statements *)
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   929
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   930
local
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   931
17859
f1d298e33760 goal statements: before_qed argument;
wenzelm
parents: 17756
diff changeset
   932
fun gen_have prep_att prepp before_qed after_qed stmt int =
f1d298e33760 goal statements: before_qed argument;
wenzelm
parents: 17756
diff changeset
   933
  local_goal (ProofDisplay.print_results int) prep_att prepp "have" before_qed after_qed stmt;
6896
4bdc3600ddae close_block: transfer_used_names;
wenzelm
parents: 6891
diff changeset
   934
17859
f1d298e33760 goal statements: before_qed argument;
wenzelm
parents: 17756
diff changeset
   935
fun gen_show prep_att prepp before_qed after_qed stmt int state =
17359
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   936
  let
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   937
    val testing = ref false;
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   938
    val rule = ref (NONE: thm option);
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   939
    fun fail_msg ctxt =
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   940
      "Local statement will fail to solve any pending goal" ::
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   941
      (case ! rule of NONE => [] | SOME th => [ProofDisplay.string_of_rule ctxt "Failed" th])
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   942
      |> cat_lines;
6896
4bdc3600ddae close_block: transfer_used_names;
wenzelm
parents: 6891
diff changeset
   943
17359
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   944
    fun print_results ctxt res =
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   945
      if ! testing then () else ProofDisplay.print_results int ctxt res;
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   946
    fun print_rule ctxt th =
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   947
      if ! testing then rule := SOME th
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   948
      else if int then priority (ProofDisplay.string_of_rule ctxt "Successful" th)
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   949
      else ();
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   950
    val test_proof =
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   951
      (Seq.pull oo local_skip_proof) true
28289
efd53393412b show: non-critical testing;
wenzelm
parents: 28278
diff changeset
   952
      |> setmp_noncritical testing true
23963
c2ee97a963db moved exception capture/release to structure Exn;
wenzelm
parents: 23806
diff changeset
   953
      |> Exn.capture;
6896
4bdc3600ddae close_block: transfer_used_names;
wenzelm
parents: 6891
diff changeset
   954
18124
a310c78298f9 simplified after_qed;
wenzelm
parents: 18041
diff changeset
   955
    fun after_qed' results =
19482
9f11af8f7ef9 tuned basic list operators (flat, maps, map_filter);
wenzelm
parents: 19475
diff changeset
   956
      refine_goals print_rule (context_of state) (flat results)
18124
a310c78298f9 simplified after_qed;
wenzelm
parents: 18041
diff changeset
   957
      #> Seq.maps (after_qed results);
17359
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   958
  in
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   959
    state
17859
f1d298e33760 goal statements: before_qed argument;
wenzelm
parents: 17756
diff changeset
   960
    |> local_goal print_results prep_att prepp "show" before_qed after_qed' stmt
21565
bd28361f4c5b simplified '?' operator;
wenzelm
parents: 21466
diff changeset
   961
    |> int ? (fn goal_state =>
17359
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   962
      (case test_proof goal_state of
23963
c2ee97a963db moved exception capture/release to structure Exn;
wenzelm
parents: 23806
diff changeset
   963
        Exn.Result (SOME _) => goal_state
c2ee97a963db moved exception capture/release to structure Exn;
wenzelm
parents: 23806
diff changeset
   964
      | Exn.Result NONE => error (fail_msg (context_of goal_state))
28443
de653f1ad78b more robust treatment of Interrupt (cf. exn.ML);
wenzelm
parents: 28437
diff changeset
   965
      | Exn.Exn Exn.Interrupt => raise Exn.Interrupt
23963
c2ee97a963db moved exception capture/release to structure Exn;
wenzelm
parents: 23806
diff changeset
   966
      | Exn.Exn exn => raise Exn.EXCEPTIONS ([exn], fail_msg (context_of goal_state))))
17359
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   967
  end;
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   968
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   969
in
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   970
18728
6790126ab5f6 simplified type attribute;
wenzelm
parents: 18678
diff changeset
   971
val have = gen_have Attrib.attribute ProofContext.bind_propp;
17359
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   972
val have_i = gen_have (K I) ProofContext.bind_propp_i;
18728
6790126ab5f6 simplified type attribute;
wenzelm
parents: 18678
diff changeset
   973
val show = gen_show Attrib.attribute ProofContext.bind_propp;
17359
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   974
val show_i = gen_show (K I) ProofContext.bind_propp_i;
6896
4bdc3600ddae close_block: transfer_used_names;
wenzelm
parents: 6891
diff changeset
   975
5820
ff3c82b47603 Proof states and methods.
wenzelm
parents:
diff changeset
   976
end;
17359
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
   977
28410
927e603def1f promise global proofs;
wenzelm
parents: 28375
diff changeset
   978
28446
a01de3b3fa2e renamed promise to future, tuned related interfaces;
wenzelm
parents: 28443
diff changeset
   979
(* defer global proofs *)
28410
927e603def1f promise global proofs;
wenzelm
parents: 28375
diff changeset
   980
927e603def1f promise global proofs;
wenzelm
parents: 28375
diff changeset
   981
fun is_initial state =
927e603def1f promise global proofs;
wenzelm
parents: 28375
diff changeset
   982
  (case try find_goal state of
927e603def1f promise global proofs;
wenzelm
parents: 28375
diff changeset
   983
    NONE => false
927e603def1f promise global proofs;
wenzelm
parents: 28375
diff changeset
   984
  | SOME (_, (_, {statement = (_, _, prop), goal, ...})) => Thm.eq_thm_prop (Goal.init prop, goal));
927e603def1f promise global proofs;
wenzelm
parents: 28375
diff changeset
   985
28446
a01de3b3fa2e renamed promise to future, tuned related interfaces;
wenzelm
parents: 28443
diff changeset
   986
fun can_defer state =
28410
927e603def1f promise global proofs;
wenzelm
parents: 28375
diff changeset
   987
  can (assert_bottom true) state andalso
927e603def1f promise global proofs;
wenzelm
parents: 28375
diff changeset
   988
  can assert_backward state andalso
927e603def1f promise global proofs;
wenzelm
parents: 28375
diff changeset
   989
  is_initial state andalso
927e603def1f promise global proofs;
wenzelm
parents: 28375
diff changeset
   990
  not (schematic_goal state);
927e603def1f promise global proofs;
wenzelm
parents: 28375
diff changeset
   991
28446
a01de3b3fa2e renamed promise to future, tuned related interfaces;
wenzelm
parents: 28443
diff changeset
   992
fun future_proof make_proof state =
28410
927e603def1f promise global proofs;
wenzelm
parents: 28375
diff changeset
   993
  let
28446
a01de3b3fa2e renamed promise to future, tuned related interfaces;
wenzelm
parents: 28443
diff changeset
   994
    val _ = can_defer state orelse error "Cannot defer proof";
28410
927e603def1f promise global proofs;
wenzelm
parents: 28375
diff changeset
   995
927e603def1f promise global proofs;
wenzelm
parents: 28375
diff changeset
   996
    val (goal_ctxt, (_, goal)) = find_goal state;
927e603def1f promise global proofs;
wenzelm
parents: 28375
diff changeset
   997
    val {statement as (kind, propss, cprop), messages, using, goal, before_qed, after_qed} = goal;
927e603def1f promise global proofs;
wenzelm
parents: 28375
diff changeset
   998
    val prop = Thm.term_of cprop;
28450
504c4edead13 future_proof: protect conclusion of deferred proof state;
wenzelm
parents: 28446
diff changeset
   999
    val cprop_protected = #2 (Thm.dest_implies (Thm.cprop_of goal));
28410
927e603def1f promise global proofs;
wenzelm
parents: 28375
diff changeset
  1000
28450
504c4edead13 future_proof: protect conclusion of deferred proof state;
wenzelm
parents: 28446
diff changeset
  1001
    val statement' = (kind, [[], [Thm.term_of cprop_protected]], cprop_protected);
504c4edead13 future_proof: protect conclusion of deferred proof state;
wenzelm
parents: 28446
diff changeset
  1002
    val goal' = Thm.adjust_maxidx_thm ~1 (Drule.protectI RS Goal.init cprop_protected);
504c4edead13 future_proof: protect conclusion of deferred proof state;
wenzelm
parents: 28446
diff changeset
  1003
    fun after_qed' [[th]] = ProofContext.put_thms false (AutoBind.thisN, SOME [Goal.conclude th]);
28410
927e603def1f promise global proofs;
wenzelm
parents: 28375
diff changeset
  1004
    val this_name = ProofContext.full_name (ProofContext.reset_naming goal_ctxt) AutoBind.thisN;
927e603def1f promise global proofs;
wenzelm
parents: 28375
diff changeset
  1005
927e603def1f promise global proofs;
wenzelm
parents: 28375
diff changeset
  1006
    fun make_result () = state
28450
504c4edead13 future_proof: protect conclusion of deferred proof state;
wenzelm
parents: 28446
diff changeset
  1007
      |> map_goal I (K (statement', messages, using, goal', before_qed, (#1 after_qed, after_qed')))
28410
927e603def1f promise global proofs;
wenzelm
parents: 28375
diff changeset
  1008
      |> make_proof
927e603def1f promise global proofs;
wenzelm
parents: 28375
diff changeset
  1009
      |> (fn result_ctxt => ProofContext.get_fact_single result_ctxt (Facts.named this_name));
28446
a01de3b3fa2e renamed promise to future, tuned related interfaces;
wenzelm
parents: 28443
diff changeset
  1010
    val finished_goal = Goal.protect (Goal.future_result goal_ctxt make_result prop);
28410
927e603def1f promise global proofs;
wenzelm
parents: 28375
diff changeset
  1011
  in
927e603def1f promise global proofs;
wenzelm
parents: 28375
diff changeset
  1012
    state
927e603def1f promise global proofs;
wenzelm
parents: 28375
diff changeset
  1013
    |> map_goal I (K (statement, messages, using, finished_goal, NONE, after_qed))
927e603def1f promise global proofs;
wenzelm
parents: 28375
diff changeset
  1014
    |> global_done_proof
927e603def1f promise global proofs;
wenzelm
parents: 28375
diff changeset
  1015
  end;
927e603def1f promise global proofs;
wenzelm
parents: 28375
diff changeset
  1016
17359
543735c6f424 major cleanup of interfaces and implementation;
wenzelm
parents: 17203
diff changeset
  1017
end;