src/HOL/Tools/Sledgehammer/sledgehammer_commands.ML
author blanchet
Fri Jan 31 12:30:54 2014 +0100 (2014-01-31 ago)
changeset 55205 8450622db0c5
parent 55202 824c48a539c9
child 55277 93c7fcfbe6f5
permissions -rw-r--r--
refactor large ML file
blanchet@55198
     1
(*  Title:      HOL/Tools/Sledgehammer/sledgehammer_commands.ML
blanchet@35866
     2
    Author:     Jasmin Blanchette, TU Muenchen
blanchet@35866
     3
blanchet@35866
     4
Adds "sledgehammer" and related commands to Isabelle/Isar's outer syntax.
blanchet@35866
     5
*)
blanchet@35866
     6
blanchet@55198
     7
signature SLEDGEHAMMER_COMMANDS =
blanchet@35963
     8
sig
blanchet@55201
     9
  type params = Sledgehammer_Prover.params
blanchet@35963
    10
blanchet@40059
    11
  val provers : string Unsynchronized.ref
blanchet@55205
    12
  val default_params : theory -> (string * string) list -> params
blanchet@35963
    13
end;
blanchet@35963
    14
blanchet@55198
    15
structure Sledgehammer_Commands : SLEDGEHAMMER_COMMANDS =
blanchet@35866
    16
struct
blanchet@35866
    17
blanchet@44784
    18
open ATP_Util
blanchet@38028
    19
open ATP_Systems
blanchet@46320
    20
open ATP_Problem_Generate
blanchet@46320
    21
open ATP_Proof_Reconstruct
blanchet@35971
    22
open Sledgehammer_Util
blanchet@48250
    23
open Sledgehammer_Fact
blanchet@55201
    24
open Sledgehammer_Prover
blanchet@55202
    25
open Sledgehammer_Prover_Minimize
blanchet@48381
    26
open Sledgehammer_MaSh
blanchet@55202
    27
open Sledgehammer
blanchet@35866
    28
blanchet@48433
    29
(* val cvc3N = "cvc3" *)
blanchet@48405
    30
val yicesN = "yices"
blanchet@48405
    31
val z3N = "z3"
blanchet@48405
    32
blanchet@43020
    33
val runN = "run"
blanchet@43020
    34
val minN = "min"
blanchet@43020
    35
val messagesN = "messages"
blanchet@43020
    36
val supported_proversN = "supported_provers"
blanchet@50719
    37
val kill_allN = "kill_all"
blanchet@43020
    38
val running_proversN = "running_provers"
blanchet@48319
    39
val running_learnersN = "running_learners"
blanchet@43020
    40
val refresh_tptpN = "refresh_tptp"
blanchet@48301
    41
blanchet@39318
    42
val _ =
wenzelm@52639
    43
  ProofGeneral.preference_option ProofGeneral.category_tracing
wenzelm@52017
    44
    NONE
wenzelm@52639
    45
    @{option auto_sledgehammer}
wenzelm@52017
    46
    "auto-sledgehammer"
wenzelm@52017
    47
    "Run Sledgehammer automatically"
blanchet@39318
    48
blanchet@36394
    49
(** Sledgehammer commands **)
blanchet@36394
    50
blanchet@48292
    51
fun add_fact_override ns : fact_override = {add = ns, del = [], only = false}
blanchet@48292
    52
fun del_fact_override ns : fact_override = {add = [], del = ns, only = false}
blanchet@48292
    53
fun only_fact_override ns : fact_override = {add = ns, del = [], only = true}
blanchet@48292
    54
fun merge_fact_override_pairwise (r1 : fact_override) (r2 : fact_override) =
blanchet@35966
    55
  {add = #add r1 @ #add r2, del = #del r1 @ #del r2,
blanchet@36183
    56
   only = #only r1 andalso #only r2}
blanchet@48292
    57
fun merge_fact_overrides rs =
blanchet@48292
    58
  fold merge_fact_override_pairwise rs (only_fact_override [])
blanchet@35965
    59
blanchet@36371
    60
(*** parameters ***)
blanchet@36371
    61
blanchet@40059
    62
val provers = Unsynchronized.ref ""
blanchet@36371
    63
blanchet@36371
    64
val _ =
wenzelm@52007
    65
  ProofGeneral.preference_string ProofGeneral.category_proof
wenzelm@52017
    66
    NONE
wenzelm@52007
    67
    provers
wenzelm@52007
    68
    "Sledgehammer: Provers"
wenzelm@52007
    69
    "Default automatic provers (separated by whitespace)"
blanchet@36371
    70
blanchet@36371
    71
val _ =
wenzelm@53057
    72
  ProofGeneral.preference_option ProofGeneral.category_proof
wenzelm@52017
    73
    NONE
wenzelm@53057
    74
    @{option sledgehammer_timeout}
wenzelm@52007
    75
    "Sledgehammer: Time Limit"
wenzelm@52007
    76
    "ATPs will be interrupted after this time (in seconds)"
blanchet@36371
    77
blanchet@35963
    78
type raw_param = string * string list
blanchet@35963
    79
blanchet@35963
    80
val default_default_params =
blanchet@41208
    81
  [("debug", "false"),
blanchet@35963
    82
   ("verbose", "false"),
blanchet@36143
    83
   ("overlord", "false"),
blanchet@53800
    84
   ("spy", "false"),
blanchet@41208
    85
   ("blocking", "false"),
blanchet@43626
    86
   ("type_enc", "smart"),
blanchet@46301
    87
   ("strict", "false"),
blanchet@45514
    88
   ("lam_trans", "smart"),
blanchet@46409
    89
   ("uncurried_aliases", "smart"),
blanchet@48321
    90
   ("learn", "true"),
blanchet@48314
    91
   ("fact_filter", "smart"),
blanchet@48314
    92
   ("max_facts", "smart"),
blanchet@48293
    93
   ("fact_thresholds", "0.45 0.85"),
blanchet@47962
    94
   ("max_mono_iters", "smart"),
blanchet@47962
    95
   ("max_new_mono_instances", "smart"),
blanchet@51190
    96
   ("isar_proofs", "smart"),
blanchet@55183
    97
   ("compress_isar", "10"),
blanchet@55183
    98
   ("try0_isar", "true"),
blanchet@45706
    99
   ("slice", "true"),
blanchet@45707
   100
   ("minimize", "smart"),
blanchet@53761
   101
   ("preplay_timeout", "3")]
blanchet@35963
   102
blanchet@36140
   103
val alias_params =
blanchet@51138
   104
  [("prover", ("provers", [])), (* undocumented *)
blanchet@51189
   105
   ("dont_preplay", ("preplay_timeout", ["0"])),
blanchet@55183
   106
   ("dont_compress_isar", ("compress_isar", ["0"])),
blanchet@52093
   107
   ("isar_proof", ("isar_proofs", [])) (* legacy *)]
blanchet@36140
   108
val negated_alias_params =
blanchet@41208
   109
  [("no_debug", "debug"),
blanchet@35963
   110
   ("quiet", "verbose"),
blanchet@36143
   111
   ("no_overlord", "overlord"),
blanchet@53800
   112
   ("dont_spy", "spy"),
blanchet@41208
   113
   ("non_blocking", "blocking"),
blanchet@46301
   114
   ("non_strict", "strict"),
blanchet@46409
   115
   ("no_uncurried_aliases", "uncurried_aliases"),
blanchet@48321
   116
   ("dont_learn", "learn"),
blanchet@49918
   117
   ("no_isar_proofs", "isar_proofs"),
blanchet@45707
   118
   ("dont_slice", "slice"),
smolkas@51879
   119
   ("dont_minimize", "minimize"),
blanchet@55183
   120
   ("dont_try0_isar", "try0_isar")]
blanchet@35963
   121
blanchet@53758
   122
val params_not_for_minimize =
blanchet@54816
   123
  ["blocking", "fact_filter", "max_facts", "fact_thresholds", "slice", "minimize"];
blanchet@36281
   124
blanchet@43569
   125
val property_dependent_params = ["provers", "timeout"]
blanchet@35866
   126
blanchet@35963
   127
fun is_known_raw_param s =
blanchet@35963
   128
  AList.defined (op =) default_default_params s orelse
blanchet@36140
   129
  AList.defined (op =) alias_params s orelse
blanchet@36140
   130
  AList.defined (op =) negated_alias_params s orelse
blanchet@38985
   131
  member (op =) property_dependent_params s orelse s = "expect"
blanchet@35963
   132
blanchet@41258
   133
fun is_prover_list ctxt s =
blanchet@41258
   134
  case space_explode " " s of
blanchet@41727
   135
    ss as _ :: _ => forall (is_prover_supported ctxt) ss
blanchet@41258
   136
  | _ => false
blanchet@41258
   137
blanchet@36140
   138
fun unalias_raw_param (name, value) =
blanchet@36140
   139
  case AList.lookup (op =) alias_params name of
blanchet@47037
   140
    SOME (name', []) => (name', value)
blanchet@47037
   141
  | SOME (param' as (name', _)) =>
blanchet@47037
   142
    if value <> ["false"] then
blanchet@47037
   143
      param'
blanchet@47037
   144
    else
blanchet@47037
   145
      error ("Parameter " ^ quote name ^ " cannot be set to \"false\" \
blanchet@47037
   146
             \(cf. " ^ quote name' ^ ").")
blanchet@36140
   147
  | NONE =>
blanchet@36140
   148
    case AList.lookup (op =) negated_alias_params name of
blanchet@36140
   149
      SOME name' => (name', case value of
blanchet@36140
   150
                              ["false"] => ["true"]
blanchet@36140
   151
                            | ["true"] => ["false"]
blanchet@36140
   152
                            | [] => ["false"]
blanchet@36140
   153
                            | _ => value)
blanchet@36140
   154
    | NONE => (name, value)
blanchet@35963
   155
blanchet@52031
   156
val any_type_enc = type_enc_of_string Strict "erased"
blanchet@45514
   157
blanchet@48397
   158
(* "provers =", "type_enc =", "lam_trans =", "fact_filter =", and "max_facts ="
blanchet@48397
   159
   can be omitted. For the last four, this is a secret feature. *)
blanchet@44720
   160
fun normalize_raw_param ctxt =
blanchet@44720
   161
  unalias_raw_param
blanchet@44720
   162
  #> (fn (name, value) =>
blanchet@44720
   163
         if is_known_raw_param name then
blanchet@44720
   164
           (name, value)
blanchet@48533
   165
         else if null value then
blanchet@48533
   166
           if is_prover_list ctxt name then
blanchet@48533
   167
             ("provers", [name])
blanchet@52031
   168
           else if can (type_enc_of_string Strict) name then
blanchet@48533
   169
             ("type_enc", [name])
blanchet@52031
   170
           else if can (trans_lams_of_string ctxt any_type_enc) name then
blanchet@48533
   171
             ("lam_trans", [name])
blanchet@48533
   172
           else if member (op =) fact_filters name then
blanchet@48533
   173
             ("fact_filter", [name])
blanchet@48533
   174
           else if is_some (Int.fromString name) then
blanchet@48533
   175
             ("max_facts", [name])
blanchet@48533
   176
           else
blanchet@48533
   177
             error ("Unknown parameter: " ^ quote name ^ ".")
blanchet@48400
   178
         else
blanchet@48400
   179
           error ("Unknown parameter: " ^ quote name ^ "."))
blanchet@44720
   180
blanchet@46435
   181
(* Ensures that type encodings such as "mono_native?" and "poly_guards!!" are
blanchet@44785
   182
   read correctly. *)
blanchet@44784
   183
val implode_param = strip_spaces_except_between_idents o space_implode " "
blanchet@43009
   184
blanchet@54059
   185
(* FIXME: use "Generic_Data" *)
wenzelm@41472
   186
structure Data = Theory_Data
wenzelm@41472
   187
(
blanchet@35963
   188
  type T = raw_param list
blanchet@54546
   189
  val empty = default_default_params |> map (apsnd single)
blanchet@35963
   190
  val extend = I
wenzelm@41472
   191
  fun merge data : T = AList.merge (op =) (K true) data
wenzelm@41472
   192
)
blanchet@35866
   193
blanchet@40059
   194
(* The first ATP of the list is used by Auto Sledgehammer. Because of the low
blanchet@48405
   195
   timeout, it makes sense to put E first. *)
blanchet@55205
   196
fun default_provers_param_value mode thy =
blanchet@54059
   197
  [eN, spassN, z3N, vampireN, e_sineN, yicesN]
blanchet@55205
   198
  |> map_filter (remotify_atp_if_not_installed thy)
blanchet@54059
   199
  (* In "try" mode, leave at least one thread to another slow tool (e.g. Nitpick) *)
blanchet@54059
   200
  |> take (Multithreading.max_threads_value () - (if mode = Try then 1 else 0))
blanchet@42776
   201
  |> implode_param
blanchet@40059
   202
blanchet@44720
   203
fun set_default_raw_param param thy =
blanchet@44720
   204
  let val ctxt = Proof_Context.init_global thy in
blanchet@44720
   205
    thy |> Data.map (AList.update (op =) (normalize_raw_param ctxt param))
blanchet@44720
   206
  end
blanchet@54059
   207
blanchet@55205
   208
fun default_raw_params mode thy =
blanchet@55205
   209
  Data.get thy
blanchet@55205
   210
  |> fold (AList.default (op =))
blanchet@55205
   211
       [("provers", [(case !provers of "" => default_provers_param_value mode thy | s => s)]),
blanchet@55205
   212
        ("timeout",
blanchet@55205
   213
         let val timeout = Options.default_int @{option sledgehammer_timeout} in
blanchet@55205
   214
           [if timeout <= 0 then "none" else string_of_int timeout]
blanchet@55205
   215
         end)]
blanchet@35963
   216
blanchet@43021
   217
fun extract_params mode default_params override_params =
blanchet@35963
   218
  let
blanchet@35963
   219
    val raw_params = rev override_params @ rev default_params
blanchet@42776
   220
    val lookup = Option.map implode_param o AList.lookup (op =) raw_params
blanchet@35963
   221
    val lookup_string = the_default "" o lookup
blanchet@35963
   222
    fun general_lookup_bool option default_value name =
blanchet@54816
   223
      (case lookup name of
blanchet@35970
   224
        SOME s => parse_bool_option option name s
blanchet@54816
   225
      | NONE => default_value)
blanchet@35963
   226
    val lookup_bool = the o general_lookup_bool false (SOME false)
blanchet@35963
   227
    fun lookup_time name =
blanchet@54816
   228
      (case lookup name of
blanchet@54816
   229
        SOME s => parse_time name s
blanchet@54816
   230
      | NONE => Time.zeroTime)
blanchet@35966
   231
    fun lookup_int name =
blanchet@54816
   232
      (case lookup name of
blanchet@35966
   233
        NONE => 0
blanchet@54816
   234
      | SOME s =>
blanchet@54816
   235
        (case Int.fromString s of
blanchet@54816
   236
          SOME n => n
blanchet@54816
   237
        | NONE => error ("Parameter " ^ quote name ^ " must be assigned an integer value.")))
blanchet@49918
   238
    fun lookup_real name =
blanchet@54816
   239
      (case lookup name of
blanchet@49918
   240
        NONE => 0.0
blanchet@54816
   241
      | SOME s =>
blanchet@54816
   242
        (case Real.fromString s of
blanchet@54816
   243
          SOME n => n
blanchet@54816
   244
        | NONE => error ("Parameter " ^ quote name ^ " must be assigned a real value.")))
blanchet@40343
   245
    fun lookup_real_pair name =
blanchet@54816
   246
      (case lookup name of
blanchet@40343
   247
        NONE => (0.0, 0.0)
blanchet@54816
   248
      | SOME s =>
blanchet@54816
   249
        (case s |> space_explode " " |> map Real.fromString of
blanchet@54816
   250
          [SOME r1, SOME r2] => (r1, r2)
blanchet@54816
   251
        | _ => error ("Parameter " ^ quote name ^ " must be assigned a pair of floating-point \
blanchet@54816
   252
                 \values (e.g., \"0.6 0.95\")")))
blanchet@43064
   253
    fun lookup_option lookup' name =
blanchet@54816
   254
      (case lookup name of
blanchet@38589
   255
        SOME "smart" => NONE
blanchet@54816
   256
      | _ => SOME (lookup' name))
blanchet@43021
   257
    val debug = mode <> Auto_Try andalso lookup_bool "debug"
blanchet@43021
   258
    val verbose = debug orelse (mode <> Auto_Try andalso lookup_bool "verbose")
blanchet@36143
   259
    val overlord = lookup_bool "overlord"
blanchet@54546
   260
    val spy = getenv "SLEDGEHAMMER_SPY" = "yes" orelse lookup_bool "spy"
blanchet@42995
   261
    val blocking =
blanchet@43021
   262
      Isabelle_Process.is_active () orelse mode <> Normal orelse debug orelse
blanchet@42995
   263
      lookup_bool "blocking"
blanchet@40059
   264
    val provers = lookup_string "provers" |> space_explode " "
blanchet@43021
   265
                  |> mode = Auto_Try ? single o hd
blanchet@43626
   266
    val type_enc =
blanchet@43021
   267
      if mode = Auto_Try then
blanchet@43569
   268
        NONE
blanchet@43626
   269
      else case lookup_string "type_enc" of
blanchet@43569
   270
        "smart" => NONE
blanchet@52031
   271
      | s => (type_enc_of_string Strict s; SOME s)
blanchet@46301
   272
    val strict = mode = Auto_Try orelse lookup_bool "strict"
blanchet@45520
   273
    val lam_trans = lookup_option lookup_string "lam_trans"
blanchet@46409
   274
    val uncurried_aliases = lookup_option lookup_bool "uncurried_aliases"
blanchet@48321
   275
    val learn = lookup_bool "learn"
blanchet@54113
   276
    val fact_filter =
blanchet@54113
   277
      lookup_option lookup_string "fact_filter"
blanchet@54113
   278
      |> mode = Auto_Try ? (fn NONE => SOME mepoN | sf => sf)
blanchet@48314
   279
    val max_facts = lookup_option lookup_int "max_facts"
blanchet@48293
   280
    val fact_thresholds = lookup_real_pair "fact_thresholds"
blanchet@47962
   281
    val max_mono_iters = lookup_option lookup_int "max_mono_iters"
blanchet@47962
   282
    val max_new_mono_instances =
blanchet@47962
   283
      lookup_option lookup_int "max_new_mono_instances"
blanchet@51190
   284
    val isar_proofs = lookup_option lookup_bool "isar_proofs"
blanchet@55183
   285
    val compress_isar = Real.max (1.0, lookup_real "compress_isar")
blanchet@55183
   286
    val try0_isar = lookup_bool "try0_isar"
blanchet@45706
   287
    val slice = mode <> Auto_Try andalso lookup_bool "slice"
blanchet@54113
   288
    val minimize = if mode = Auto_Try then NONE else lookup_option lookup_bool "minimize"
blanchet@54816
   289
    val timeout = lookup_time "timeout"
blanchet@54816
   290
    val preplay_timeout = if mode = Auto_Try then Time.zeroTime else lookup_time "preplay_timeout"
blanchet@38985
   291
    val expect = lookup_string "expect"
blanchet@35963
   292
  in
blanchet@53800
   293
    {debug = debug, verbose = verbose, overlord = overlord, spy = spy, blocking = blocking,
blanchet@53800
   294
     provers = provers, type_enc = type_enc, strict = strict, lam_trans = lam_trans,
blanchet@53800
   295
     uncurried_aliases = uncurried_aliases, learn = learn, fact_filter = fact_filter,
blanchet@53800
   296
     max_facts = max_facts, fact_thresholds = fact_thresholds, max_mono_iters = max_mono_iters,
blanchet@49918
   297
     max_new_mono_instances = max_new_mono_instances, isar_proofs = isar_proofs,
blanchet@55183
   298
     compress_isar = compress_isar, try0_isar = try0_isar, slice = slice, minimize = minimize,
blanchet@53800
   299
     timeout = timeout, preplay_timeout = preplay_timeout, expect = expect}
blanchet@35963
   300
  end
blanchet@35866
   301
blanchet@54059
   302
fun get_params mode = extract_params mode o default_raw_params mode
blanchet@43021
   303
fun default_params thy = get_params Normal thy o map (apsnd single)
blanchet@35866
   304
blanchet@36373
   305
(* Sledgehammer the given subgoal *)
blanchet@36373
   306
blanchet@45519
   307
val default_minimize_prover = metisN
blanchet@43051
   308
blanchet@44720
   309
fun is_raw_param_relevant_for_minimize (name, _) =
blanchet@53758
   310
  not (member (op =) params_not_for_minimize name)
blanchet@51998
   311
fun string_of_raw_param (key, values) =
blanchet@42776
   312
  key ^ (case implode_param values of "" => "" | value => " = " ^ value)
blanchet@51998
   313
fun nice_string_of_raw_param (p as (key, ["false"])) =
blanchet@50748
   314
    (case AList.find (op =) negated_alias_params key of
blanchet@50748
   315
       [neg] => neg
blanchet@51998
   316
     | _ => string_of_raw_param p)
blanchet@51998
   317
  | nice_string_of_raw_param p = string_of_raw_param p
blanchet@36281
   318
blanchet@45520
   319
fun minimize_command override_params i more_override_params prover_name
blanchet@45520
   320
                     fact_names =
blanchet@43057
   321
  let
blanchet@43057
   322
    val params =
blanchet@45520
   323
      (override_params
blanchet@45520
   324
       |> filter_out (AList.defined (op =) more_override_params o fst)) @
blanchet@45520
   325
      more_override_params
blanchet@43057
   326
      |> filter is_raw_param_relevant_for_minimize
blanchet@51998
   327
      |> map nice_string_of_raw_param
blanchet@43057
   328
      |> (if prover_name = default_minimize_prover then I else cons prover_name)
blanchet@43057
   329
      |> space_implode ", "
blanchet@43057
   330
  in
blanchet@48392
   331
    sledgehammerN ^ " " ^ minN ^
blanchet@43057
   332
    (if params = "" then "" else enclose " [" "]" params) ^
blanchet@43057
   333
    " (" ^ space_implode " " fact_names ^ ")" ^
blanchet@43057
   334
    (if i = 1 then "" else " " ^ string_of_int i)
blanchet@43057
   335
  end
blanchet@36281
   336
blanchet@50604
   337
val default_learn_prover_timeout = 2.0
blanchet@48392
   338
blanchet@48292
   339
fun hammer_away override_params subcommand opt_i fact_override state =
blanchet@35963
   340
  let
blanchet@55205
   341
    val thy = Proof.theory_of state
blanchet@40069
   342
    val ctxt = Proof.context_of state
blanchet@55205
   343
blanchet@44720
   344
    val override_params = override_params |> map (normalize_raw_param ctxt)
blanchet@50052
   345
    val _ = Isabelle_System.mkdir (Path.explode (getenv "ISABELLE_TMP"))
blanchet@35965
   346
  in
blanchet@35965
   347
    if subcommand = runN then
blanchet@36281
   348
      let val i = the_default 1 opt_i in
blanchet@55205
   349
        run_sledgehammer (get_params Normal thy override_params) Normal NONE i fact_override
blanchet@55205
   350
          (minimize_command override_params i) state
blanchet@39318
   351
        |> K ()
blanchet@36281
   352
      end
blanchet@43008
   353
    else if subcommand = minN then
blanchet@48384
   354
      let
blanchet@48395
   355
        val ctxt = ctxt |> Config.put instantiate_inducts false
blanchet@48384
   356
        val i = the_default 1 opt_i
blanchet@48400
   357
        val params =
blanchet@55205
   358
          get_params Minimize thy (("provers", [default_minimize_prover]) :: override_params)
blanchet@48384
   359
        val goal = prop_of (#goal (Proof.goal state))
blanchet@48384
   360
        val facts = nearly_all_facts ctxt false fact_override Symtab.empty
blanchet@48384
   361
                                     Termtab.empty [] [] goal
blanchet@54503
   362
        val learn = mash_learn_proof ctxt params goal facts
blanchet@48399
   363
      in run_minimize params learn i (#add fact_override) state end
blanchet@35965
   364
    else if subcommand = messagesN then
blanchet@35965
   365
      messages opt_i
blanchet@41727
   366
    else if subcommand = supported_proversN then
blanchet@41727
   367
      supported_provers ctxt
blanchet@50719
   368
    else if subcommand = kill_allN then
blanchet@53148
   369
      (kill_provers ();
blanchet@55205
   370
       kill_learners ctxt (get_params Normal thy override_params))
blanchet@48319
   371
    else if subcommand = running_proversN then
blanchet@48319
   372
      running_provers ()
blanchet@48383
   373
    else if subcommand = unlearnN then
blanchet@55205
   374
      mash_unlearn ctxt (get_params Normal thy override_params)
blanchet@50484
   375
    else if subcommand = learn_isarN orelse subcommand = learn_proverN orelse
blanchet@50484
   376
            subcommand = relearn_isarN orelse subcommand = relearn_proverN then
blanchet@50484
   377
      (if subcommand = relearn_isarN orelse subcommand = relearn_proverN then
blanchet@55205
   378
         mash_unlearn ctxt (get_params Normal thy override_params)
blanchet@48392
   379
       else
blanchet@48392
   380
         ();
blanchet@50484
   381
       mash_learn ctxt
blanchet@54129
   382
           (* TODO: Use MaSh mode instead and have the special defaults hardcoded in "get_params" *)
blanchet@55205
   383
           (get_params Normal thy
blanchet@55205
   384
                ([("timeout", [string_of_real default_learn_prover_timeout]),
blanchet@50484
   385
                  ("slice", ["false"])] @
blanchet@50484
   386
                 override_params @
blanchet@50484
   387
                 [("minimize", ["true"]),
blanchet@50484
   388
                  ("preplay_timeout", ["0"])]))
blanchet@50484
   389
           fact_override (#facts (Proof.goal state))
blanchet@50484
   390
           (subcommand = learn_proverN orelse subcommand = relearn_proverN))
blanchet@48319
   391
    else if subcommand = running_learnersN then
blanchet@48319
   392
      running_learners ()
blanchet@35965
   393
    else if subcommand = refresh_tptpN then
blanchet@35965
   394
      refresh_systems_on_tptp ()
blanchet@35965
   395
    else
blanchet@35965
   396
      error ("Unknown subcommand: " ^ quote subcommand ^ ".")
blanchet@35965
   397
  end
blanchet@35963
   398
blanchet@48292
   399
fun sledgehammer_trans (((subcommand, params), fact_override), opt_i) =
wenzelm@51557
   400
  Toplevel.unknown_proof o
blanchet@48292
   401
  Toplevel.keep (hammer_away params subcommand opt_i fact_override
blanchet@35966
   402
                 o Toplevel.proof_of)
blanchet@35963
   403
blanchet@51998
   404
fun string_of_raw_param (name, value) = name ^ " = " ^ implode_param value
blanchet@35963
   405
blanchet@35965
   406
fun sledgehammer_params_trans params =
blanchet@35963
   407
  Toplevel.theory
blanchet@55205
   408
    (fold set_default_raw_param params
blanchet@55205
   409
     #> tap (fn thy =>
blanchet@55205
   410
          writeln ("Default parameters for Sledgehammer:\n" ^
blanchet@55205
   411
            (case rev (default_raw_params Normal thy) of
blanchet@55205
   412
              [] => "none"
blanchet@55205
   413
            | params => params |> map string_of_raw_param |> sort_strings |> cat_lines))))
blanchet@35963
   414
wenzelm@46949
   415
val parse_query_bang = @{keyword "?"} || @{keyword "!"} || @{keyword "!!"}
blanchet@42776
   416
val parse_key =
blanchet@44768
   417
  Scan.repeat1 (Parse.typ_group || parse_query_bang) >> implode_param
blanchet@42581
   418
val parse_value =
blanchet@44768
   419
  Scan.repeat1 (Parse.xname || Parse.float_number || parse_query_bang)
wenzelm@46949
   420
val parse_param = parse_key -- Scan.optional (@{keyword "="} |-- parse_value) []
wenzelm@36960
   421
val parse_params = Scan.optional (Args.bracks (Parse.list parse_param)) []
blanchet@35965
   422
val parse_fact_refs =
blanchet@38996
   423
  Scan.repeat1 (Scan.unless (Parse.name -- Args.colon) Parse_Spec.xthm)
blanchet@48293
   424
val parse_fact_override_chunk =
blanchet@48292
   425
  (Args.add |-- Args.colon |-- parse_fact_refs >> add_fact_override)
blanchet@48292
   426
  || (Args.del |-- Args.colon |-- parse_fact_refs >> del_fact_override)
blanchet@48292
   427
  || (parse_fact_refs >> only_fact_override)
blanchet@48292
   428
val parse_fact_override =
blanchet@48293
   429
  Scan.optional (Args.parens (Scan.repeat parse_fact_override_chunk
blanchet@48292
   430
                              >> merge_fact_overrides))
blanchet@48292
   431
                no_fact_override
blanchet@35963
   432
blanchet@35963
   433
val _ =
wenzelm@46961
   434
  Outer_Syntax.improper_command @{command_spec "sledgehammer"}
wenzelm@46961
   435
    "search for first-order proof using automatic theorem provers"
wenzelm@46961
   436
    ((Scan.optional Parse.short_ident runN -- parse_params
blanchet@48292
   437
      -- parse_fact_override -- Scan.option Parse.nat) #>> sledgehammer_trans)
blanchet@35963
   438
val _ =
wenzelm@46961
   439
  Outer_Syntax.command @{command_spec "sledgehammer_params"}
wenzelm@46961
   440
    "set and display the default parameters for Sledgehammer"
wenzelm@46961
   441
    (parse_params #>> sledgehammer_params_trans)
blanchet@36394
   442
blanchet@43020
   443
fun try_sledgehammer auto state =
blanchet@43020
   444
  let
blanchet@55205
   445
    val thy = Proof.theory_of state
blanchet@43021
   446
    val mode = if auto then Auto_Try else Try
blanchet@43020
   447
    val i = 1
blanchet@43020
   448
  in
blanchet@55205
   449
    run_sledgehammer (get_params mode thy []) mode NONE i no_fact_override (minimize_command [] i)
blanchet@55205
   450
      state
blanchet@40931
   451
  end
blanchet@39318
   452
wenzelm@52641
   453
val _ = Try.tool_setup (sledgehammerN, (40, @{option auto_sledgehammer}, try_sledgehammer))
blanchet@39318
   454
wenzelm@52908
   455
val _ =
wenzelm@52982
   456
  Query_Operation.register sledgehammerN (fn {state = st, args, output_result} =>
wenzelm@52982
   457
    (case try Toplevel.proof_of st of
wenzelm@52982
   458
      SOME state =>
wenzelm@52982
   459
        let
blanchet@55205
   460
          val thy = Proof.theory_of state
wenzelm@52982
   461
          val ctxt = Proof.context_of state
blanchet@55205
   462
          val [provers_arg, isar_proofs_arg] = args
wenzelm@52908
   463
wenzelm@52982
   464
          val override_params =
wenzelm@53053
   465
            ((if provers_arg = "" then [] else [("provers", space_explode " " provers_arg)]) @
wenzelm@53057
   466
              [("isar_proofs", [isar_proofs_arg]),
wenzelm@53053
   467
               ("blocking", ["true"]),
wenzelm@53053
   468
               ("minimize", ["true"]),
wenzelm@53053
   469
               ("debug", ["false"]),
wenzelm@53053
   470
               ("verbose", ["false"]),
wenzelm@53053
   471
               ("overlord", ["false"])])
wenzelm@52982
   472
            |> map (normalize_raw_param ctxt)
blanchet@55205
   473
blanchet@55205
   474
          val _ = run_sledgehammer (get_params Normal thy override_params) Normal
blanchet@55205
   475
            (SOME output_result) 1 no_fact_override (minimize_command override_params 1) state
wenzelm@52982
   476
        in () end
wenzelm@53055
   477
    | NONE => error "Unknown proof context"))
wenzelm@53055
   478
wenzelm@53055
   479
val _ = Session.protocol_handler "isabelle.Sledgehammer_Params$Handler"
wenzelm@53055
   480
wenzelm@53055
   481
val _ = Isabelle_Process.protocol_command "Sledgehammer.provers"
wenzelm@53055
   482
  (fn [] =>
wenzelm@53055
   483
    let
blanchet@55205
   484
      val this_thy = @{theory}
blanchet@55205
   485
      val provers = space_implode " " (#provers (default_params this_thy []))
wenzelm@53055
   486
    in Output.protocol_message Markup.sledgehammer_provers provers end)
wenzelm@52908
   487
blanchet@35866
   488
end;