src/HOL/Tools/Nitpick/nitpick_isar.ML
changeset 55199 ba93ef2c0d27
parent 55198 7a538e58b64e
child 55200 777328c9f1ea
--- a/src/HOL/Tools/Nitpick/nitpick_isar.ML	Fri Jan 31 10:23:32 2014 +0100
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,401 +0,0 @@
-(*  Title:      HOL/Tools/Nitpick/nitpick_isar.ML
-    Author:     Jasmin Blanchette, TU Muenchen
-    Copyright   2008, 2009, 2010
-
-Adds the "nitpick" and "nitpick_params" commands to Isabelle/Isar's outer
-syntax.
-*)
-
-signature NITPICK_ISAR =
-sig
-  type params = Nitpick.params
-
-  val nitpickN : string
-  val nitpick_paramsN : string
-  val default_params : theory -> (string * string) list -> params
-end;
-
-structure Nitpick_Isar : NITPICK_ISAR =
-struct
-
-open Nitpick_Util
-open Nitpick_HOL
-open Nitpick_Rep
-open Nitpick_Nut
-open Nitpick
-
-val nitpickN = "nitpick"
-val nitpick_paramsN = "nitpick_params"
-
-(* Maximum number of scopes for Auto Nitpick. Be frugal since it has to share
-   its time slot with several other automatic tools. *)
-val auto_try_max_scopes = 6
-
-val _ =
-  ProofGeneral.preference_option ProofGeneral.category_tracing
-    NONE
-    @{option auto_nitpick}
-    "auto-nitpick"
-    "Run Nitpick automatically"
-
-type raw_param = string * string list
-
-val default_default_params =
-  [("card", "1\<emdash>10"),
-   ("iter", "0,1,2,4,8,12,16,20,24,28"),
-   ("bits", "1\<emdash>10"),
-   ("bisim_depth", "9"),
-   ("box", "smart"),
-   ("finitize", "smart"),
-   ("mono", "smart"),
-   ("std", "true"),
-   ("wf", "smart"),
-   ("sat_solver", "smart"),
-   ("batch_size", "smart"),
-   ("blocking", "true"),
-   ("falsify", "true"),
-   ("user_axioms", "smart"),
-   ("assms", "true"),
-   ("merge_type_vars", "false"),
-   ("binary_ints", "smart"),
-   ("destroy_constrs", "true"),
-   ("specialize", "true"),
-   ("star_linear_preds", "true"),
-   ("total_consts", "smart"),
-   ("peephole_optim", "true"),
-   ("datatype_sym_break", "5"),
-   ("kodkod_sym_break", "15"),
-   ("timeout", "30"),
-   ("tac_timeout", "0.5"),
-   ("max_threads", "0"),
-   ("debug", "false"),
-   ("verbose", "false"),
-   ("overlord", "false"),
-   ("spy", "false"),
-   ("show_datatypes", "false"),
-   ("show_skolems", "true"),
-   ("show_consts", "false"),
-   ("format", "1"),
-   ("max_potential", "1"),
-   ("max_genuine", "1"),
-   ("check_potential", "false"),
-   ("check_genuine", "false")]
-
-val negated_params =
-  [("dont_box", "box"),
-   ("dont_finitize", "finitize"),
-   ("non_mono", "mono"),
-   ("non_std", "std"),
-   ("non_wf", "wf"),
-   ("non_blocking", "blocking"),
-   ("satisfy", "falsify"),
-   ("no_user_axioms", "user_axioms"),
-   ("no_assms", "assms"),
-   ("dont_merge_type_vars", "merge_type_vars"),
-   ("unary_ints", "binary_ints"),
-   ("dont_destroy_constrs", "destroy_constrs"),
-   ("dont_specialize", "specialize"),
-   ("dont_star_linear_preds", "star_linear_preds"),
-   ("partial_consts", "total_consts"),
-   ("no_peephole_optim", "peephole_optim"),
-   ("no_debug", "debug"),
-   ("quiet", "verbose"),
-   ("no_overlord", "overlord"),
-   ("dont_spy", "spy"),
-   ("hide_datatypes", "show_datatypes"),
-   ("hide_skolems", "show_skolems"),
-   ("hide_consts", "show_consts"),
-   ("trust_potential", "check_potential"),
-   ("trust_genuine", "check_genuine")]
-
-fun is_known_raw_param s =
-  AList.defined (op =) default_default_params s orelse
-  AList.defined (op =) negated_params s orelse
-  member (op =) ["max", "show_all", "whack", "eval", "need", "atoms",
-                 "expect"] s orelse
-  exists (fn p => String.isPrefix (p ^ " ") s)
-         ["card", "max", "iter", "box", "dont_box", "finitize", "dont_finitize",
-          "mono", "non_mono", "std", "non_std", "wf", "non_wf", "format",
-          "atoms"]
-
-fun check_raw_param (s, _) =
-  if is_known_raw_param s then ()
-  else error ("Unknown parameter: " ^ quote s ^ ".")
-
-fun unnegate_param_name name =
-  case AList.lookup (op =) negated_params name of
-    NONE => if String.isPrefix "dont_" name then SOME (unprefix "dont_" name)
-            else if String.isPrefix "non_" name then SOME (unprefix "non_" name)
-            else NONE
-  | some_name => some_name
-fun normalize_raw_param (name, value) =
-  case unnegate_param_name name of
-    SOME name' => [(name', case value of
-                             ["false"] => ["true"]
-                           | ["true"] => ["false"]
-                           | [] => ["false"]
-                           | _ => value)]
-  | NONE => if name = "show_all" then
-              [("show_datatypes", value), ("show_skolems", value),
-               ("show_consts", value)]
-            else
-              [(name, value)]
-
-structure Data = Theory_Data
-(
-  type T = raw_param list
-  val empty = default_default_params |> map (apsnd single)
-  val extend = I
-  fun merge data = AList.merge (op =) (K true) data
-)
-
-val set_default_raw_param =
-  Data.map o fold (AList.update (op =)) o normalize_raw_param
-val default_raw_params = Data.get
-
-fun is_punctuation s = (s = "," orelse s = "-" orelse s = "\<emdash>")
-
-fun stringify_raw_param_value [] = ""
-  | stringify_raw_param_value [s] = s
-  | stringify_raw_param_value (s1 :: s2 :: ss) =
-    s1 ^ (if is_punctuation s1 orelse is_punctuation s2 then "" else " ") ^
-    stringify_raw_param_value (s2 :: ss)
-
-fun maxed_int_from_string min_int s = Int.max (min_int, the (Int.fromString s))
-
-fun extract_params ctxt mode default_params override_params =
-  let
-    val override_params = maps normalize_raw_param override_params
-    val raw_params = rev override_params @ rev default_params
-    val raw_lookup = AList.lookup (op =) raw_params
-    val lookup = Option.map stringify_raw_param_value o raw_lookup
-    val lookup_string = the_default "" o lookup
-    fun general_lookup_bool option default_value name =
-      case lookup name of
-        SOME s => parse_bool_option option name s
-      | NONE => default_value
-    val lookup_bool = the o general_lookup_bool false (SOME false)
-    val lookup_bool_option = general_lookup_bool true NONE
-    fun do_int name value =
-      case value of
-        SOME s => (case Int.fromString s of
-                     SOME i => i
-                   | NONE => error ("Parameter " ^ quote name ^
-                                    " must be assigned an integer value."))
-      | NONE => 0
-    fun lookup_int name = do_int name (lookup name)
-    fun lookup_int_option name =
-      case lookup name of
-        SOME "smart" => NONE
-      | value => SOME (do_int name value)
-    fun int_range_from_string name min_int s =
-      let
-        val (k1, k2) =
-          (case space_explode "-" s of
-             [s] => the_default (s, s) (first_field "\<emdash>" s)
-           | ["", s2] => ("-" ^ s2, "-" ^ s2)
-           | [s1, s2] => (s1, s2)
-           | _ => raise Option.Option)
-          |> pairself (maxed_int_from_string min_int)
-      in if k1 <= k2 then k1 upto k2 else k1 downto k2 end
-      handle Option.Option =>
-             error ("Parameter " ^ quote name ^
-                    " must be assigned a sequence of integers.")
-    fun int_seq_from_string name min_int s =
-      maps (int_range_from_string name min_int) (space_explode "," s)
-    fun lookup_int_seq name min_int =
-      case lookup name of
-        SOME s => (case int_seq_from_string name min_int s of
-                     [] => [min_int]
-                   | value => value)
-      | NONE => [min_int]
-    fun lookup_assigns read prefix default convert =
-      (NONE, convert (the_default default (lookup prefix)))
-      :: map (fn (name, value) =>
-                 (SOME (read (String.extract (name, size prefix + 1, NONE))),
-                  convert (stringify_raw_param_value value)))
-             (filter (String.isPrefix (prefix ^ " ") o fst) raw_params)
-    fun lookup_ints_assigns read prefix min_int =
-      lookup_assigns read prefix (signed_string_of_int min_int)
-                     (int_seq_from_string prefix min_int)
-    fun lookup_bool_assigns read prefix =
-      lookup_assigns read prefix "" (the o parse_bool_option false prefix)
-    fun lookup_bool_option_assigns read prefix =
-      lookup_assigns read prefix "" (parse_bool_option true prefix)
-    fun lookup_strings_assigns read prefix =
-      lookup_assigns read prefix "" (space_explode " ")
-    fun lookup_time name =
-      case lookup name of
-        SOME s => parse_time name s
-      | NONE => Time.zeroTime
-    val read_type_polymorphic =
-      Syntax.read_typ ctxt #> Logic.mk_type
-      #> singleton (Variable.polymorphic ctxt) #> Logic.dest_type
-    val read_term_polymorphic =
-      Syntax.read_term ctxt #> singleton (Variable.polymorphic ctxt)
-    val lookup_term_list_option_polymorphic =
-      AList.lookup (op =) raw_params #> Option.map (map read_term_polymorphic)
-    val read_const_polymorphic = read_term_polymorphic #> dest_Const
-    val cards_assigns =
-      lookup_ints_assigns read_type_polymorphic "card" 1
-      |> mode = Auto_Try ? map (apsnd (take auto_try_max_scopes))
-    val maxes_assigns = lookup_ints_assigns read_const_polymorphic "max" ~1
-    val iters_assigns = lookup_ints_assigns read_const_polymorphic "iter" 0
-    val bitss = lookup_int_seq "bits" 1
-    val bisim_depths = lookup_int_seq "bisim_depth" ~1
-    val boxes = lookup_bool_option_assigns read_type_polymorphic "box"
-    val finitizes = lookup_bool_option_assigns read_type_polymorphic "finitize"
-    val monos = if mode = Auto_Try then [(NONE, SOME true)]
-                else lookup_bool_option_assigns read_type_polymorphic "mono"
-    val stds = lookup_bool_assigns read_type_polymorphic "std"
-    val wfs = lookup_bool_option_assigns read_const_polymorphic "wf"
-    val sat_solver = lookup_string "sat_solver"
-    val blocking = mode <> Normal orelse lookup_bool "blocking"
-    val falsify = lookup_bool "falsify"
-    val debug = (mode <> Auto_Try andalso lookup_bool "debug")
-    val verbose = debug orelse (mode <> Auto_Try andalso lookup_bool "verbose")
-    val overlord = lookup_bool "overlord"
-    val spy = getenv "NITPICK_SPY" = "yes" orelse lookup_bool "spy"
-    val user_axioms = lookup_bool_option "user_axioms"
-    val assms = lookup_bool "assms"
-    val whacks = lookup_term_list_option_polymorphic "whack" |> these
-    val merge_type_vars = lookup_bool "merge_type_vars"
-    val binary_ints = lookup_bool_option "binary_ints"
-    val destroy_constrs = lookup_bool "destroy_constrs"
-    val specialize = lookup_bool "specialize"
-    val star_linear_preds = lookup_bool "star_linear_preds"
-    val total_consts = lookup_bool_option "total_consts"
-    val needs = lookup_term_list_option_polymorphic "need"
-    val peephole_optim = lookup_bool "peephole_optim"
-    val datatype_sym_break = lookup_int "datatype_sym_break"
-    val kodkod_sym_break = lookup_int "kodkod_sym_break"
-    val timeout = lookup_time "timeout"
-    val tac_timeout = lookup_time "tac_timeout"
-    val max_threads =
-      if mode = Normal then Int.max (0, lookup_int "max_threads") else 1
-    val show_datatypes = debug orelse lookup_bool "show_datatypes"
-    val show_skolems = debug orelse lookup_bool "show_skolems"
-    val show_consts = debug orelse lookup_bool "show_consts"
-    val evals = lookup_term_list_option_polymorphic "eval" |> these
-    val formats = lookup_ints_assigns read_term_polymorphic "format" 0
-    val atomss = lookup_strings_assigns read_type_polymorphic "atoms"
-    val max_potential =
-      if mode = Normal then Int.max (0, lookup_int "max_potential") else 0
-    val max_genuine = Int.max (0, lookup_int "max_genuine")
-    val check_potential = lookup_bool "check_potential"
-    val check_genuine = lookup_bool "check_genuine"
-    val batch_size =
-      case lookup_int_option "batch_size" of
-        SOME n => Int.max (1, n)
-      | NONE => if debug then 1 else 50
-    val expect = lookup_string "expect"
-  in
-    {cards_assigns = cards_assigns, maxes_assigns = maxes_assigns, iters_assigns = iters_assigns,
-     bitss = bitss, bisim_depths = bisim_depths, boxes = boxes, finitizes = finitizes,
-     monos = monos, stds = stds, wfs = wfs, sat_solver = sat_solver, blocking = blocking,
-     falsify = falsify, debug = debug, verbose = verbose, overlord = overlord, spy = spy,
-     user_axioms = user_axioms, assms = assms, whacks = whacks, merge_type_vars = merge_type_vars,
-     binary_ints = binary_ints, destroy_constrs = destroy_constrs, specialize = specialize,
-     star_linear_preds = star_linear_preds, total_consts = total_consts, needs = needs,
-     peephole_optim = peephole_optim, datatype_sym_break = datatype_sym_break,
-     kodkod_sym_break = kodkod_sym_break, timeout = timeout, tac_timeout = tac_timeout,
-     max_threads = max_threads, show_datatypes = show_datatypes, show_skolems = show_skolems,
-     show_consts = show_consts, evals = evals, formats = formats, atomss = atomss,
-     max_potential = max_potential, max_genuine = max_genuine, check_potential = check_potential,
-     check_genuine = check_genuine, batch_size = batch_size, expect = expect}
-  end
-
-fun default_params thy =
-  extract_params (Proof_Context.init_global thy) Normal (default_raw_params thy)
-  o map (apsnd single)
-
-val parse_key = Scan.repeat1 Parse.typ_group >> space_implode " "
-val parse_value =
-  Scan.repeat1 (Parse.minus >> single
-                || Scan.repeat1 (Scan.unless Parse.minus
-                                             (Parse.name || Parse.float_number))
-                || @{keyword ","} |-- Parse.number >> prefix "," >> single)
-  >> flat
-val parse_param = parse_key -- Scan.optional (@{keyword "="} |-- parse_value) []
-val parse_params =
-  Scan.optional (@{keyword "["} |-- Parse.list parse_param --| @{keyword "]"}) []
-
-fun handle_exceptions ctxt f x =
-  f x
-  handle ARG (loc, details) =>
-         error ("Bad argument(s) to " ^ quote loc ^ ": " ^ details ^ ".")
-       | BAD (loc, details) =>
-         error ("Internal error (" ^ quote loc ^ "): " ^ details ^ ".")
-       | NOT_SUPPORTED details =>
-         (warning ("Unsupported case: " ^ details ^ "."); x)
-       | NUT (loc, us) =>
-         error ("Invalid intermediate term" ^ plural_s_for_list us ^
-                " (" ^ quote loc ^ "): " ^
-                commas (map (string_for_nut ctxt) us) ^ ".")
-       | REP (loc, Rs) =>
-         error ("Invalid representation" ^ plural_s_for_list Rs ^
-                " (" ^ quote loc ^ "): " ^ commas (map string_for_rep Rs) ^ ".")
-       | TERM (loc, ts) =>
-         error ("Invalid term" ^ plural_s_for_list ts ^
-                " (" ^ quote loc ^ "): " ^
-                commas (map (Syntax.string_of_term ctxt) ts) ^ ".")
-       | TYPE (loc, Ts, ts) =>
-         error ("Invalid type" ^ plural_s_for_list Ts ^
-                (if null ts then
-                   ""
-                 else
-                   " for term" ^ plural_s_for_list ts ^ " " ^
-                   commas (map (quote o Syntax.string_of_term ctxt) ts)) ^
-                " (" ^ quote loc ^ "): " ^
-                commas (map (Syntax.string_of_typ ctxt) Ts) ^ ".")
-
-fun pick_nits override_params mode i step state =
-  let
-    val thy = Proof.theory_of state
-    val ctxt = Proof.context_of state
-    val _ = List.app check_raw_param override_params
-    val params as {blocking, debug, ...} =
-      extract_params ctxt mode (default_raw_params thy) override_params
-    fun go () =
-      (unknownN, state)
-      |> (if mode = Auto_Try then perhaps o try
-          else if debug then fn f => fn x => f x
-          else handle_exceptions ctxt)
-         (fn (_, state) => pick_nits_in_subgoal state params mode i step)
-  in if blocking then go () else Future.fork (tap go) |> K (unknownN, state) end
-  |> `(fn (outcome_code, _) => outcome_code = genuineN)
-
-fun string_for_raw_param (name, value) =
-  name ^ " = " ^ stringify_raw_param_value value
-
-fun nitpick_params_trans params =
-  Toplevel.theory
-      (fold set_default_raw_param params
-       #> tap (fn thy =>
-                  writeln ("Default parameters for Nitpick:\n" ^
-                           (case rev (default_raw_params thy) of
-                              [] => "none"
-                            | params =>
-                              (map check_raw_param params;
-                               params |> map string_for_raw_param
-                                      |> sort_strings |> cat_lines)))))
-
-val _ =
-  Outer_Syntax.improper_command @{command_spec "nitpick"}
-    "try to find a counterexample for a given subgoal using Nitpick"
-    (parse_params -- Scan.optional Parse.nat 1 >> (fn (params, i) =>
-      Toplevel.unknown_proof o
-      Toplevel.keep (fn state =>
-        ignore (pick_nits params Normal i (Toplevel.proof_position_of state)
-          (Toplevel.proof_of state)))))
-
-val _ =
-  Outer_Syntax.command @{command_spec "nitpick_params"}
-    "set and display the default parameters for Nitpick"
-    (parse_params #>> nitpick_params_trans)
-
-fun try_nitpick auto = pick_nits [] (if auto then Auto_Try else Try) 1 0
-
-val _ = Try.tool_setup (nitpickN, (50, @{option auto_nitpick}, try_nitpick))
-
-end;