src/HOL/Tools/Nitpick/nitpick_model.ML
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(*  Title:      HOL/Tools/Nitpick/nitpick_model.ML
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    Author:     Jasmin Blanchette, TU Muenchen
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    Copyright   2009, 2010
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Model reconstruction for Nitpick.
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*)
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signature NITPICK_MODEL =
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sig
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  type styp = Nitpick_Util.styp
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  type scope = Nitpick_Scope.scope
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  type rep = Nitpick_Rep.rep
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  type nut = Nitpick_Nut.nut
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  type params =
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    {show_datatypes: bool,
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     show_skolems: bool,
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     show_consts: bool}
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  type term_postprocessor =
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    Proof.context -> string -> (typ -> term list) -> typ -> term -> term
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  structure NameTable : TABLE
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  val irrelevant : string
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  val unknown : string
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  val unrep : unit -> string
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  val register_term_postprocessor :
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    typ -> term_postprocessor -> morphism -> Context.generic -> Context.generic
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  val register_term_postprocessor_global :
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    typ -> term_postprocessor -> theory -> theory
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  val unregister_term_postprocessor :
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    typ -> morphism -> Context.generic -> Context.generic
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  val unregister_term_postprocessor_global : typ -> theory -> theory
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  val tuple_list_for_name :
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    nut NameTable.table -> Kodkod.raw_bound list -> nut -> int list list
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  val dest_plain_fun : term -> bool * (term list * term list)
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  val reconstruct_hol_model :
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    params -> scope -> (term option * int list) list
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    -> (typ option * string list) list -> styp list -> styp list -> nut list
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    -> nut list -> nut list -> nut NameTable.table -> Kodkod.raw_bound list
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    -> Pretty.T * bool
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  val prove_hol_model :
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    scope -> Time.time -> nut list -> nut list -> nut NameTable.table
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    -> Kodkod.raw_bound list -> term -> bool option
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end;
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structure Nitpick_Model : NITPICK_MODEL =
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struct
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open Nitpick_Util
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open Nitpick_HOL
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open Nitpick_Scope
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open Nitpick_Peephole
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open Nitpick_Rep
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open Nitpick_Nut
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structure KK = Kodkod
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type params =
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  {show_datatypes: bool,
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   show_skolems: bool,
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   show_consts: bool}
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type term_postprocessor =
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  Proof.context -> string -> (typ -> term list) -> typ -> term -> term
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structure Data = Generic_Data
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(
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  type T = (typ * term_postprocessor) list
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  val empty = []
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  val extend = I
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  fun merge data = AList.merge (op =) (K true) data
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)
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fun xsym s s' () = if print_mode_active Symbol.xsymbolsN then s else s'
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val irrelevant = "_"
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val unknown = "?"
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val unrep = xsym "\<dots>" "..."
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val maybe_mixfix = xsym "_\<^sup>?" "_?"
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val base_mixfix = xsym "_\<^bsub>base\<^esub>" "_.base"
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val step_mixfix = xsym "_\<^bsub>step\<^esub>" "_.step"
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val abs_mixfix = xsym "\<guillemotleft>_\<guillemotright>" "\"_\""
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val arg_var_prefix = "x"
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val cyclic_co_val_name = xsym "\<omega>" "w"
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val cyclic_const_prefix = xsym "\<xi>" "X"
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fun cyclic_type_name () = nitpick_prefix ^ cyclic_const_prefix ()
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val opt_flag = nitpick_prefix ^ "opt"
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val non_opt_flag = nitpick_prefix ^ "non_opt"
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type atom_pool = ((string * int) * int list) list
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fun add_wacky_syntax ctxt =
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  let
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    val name_of = fst o dest_Const
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    val thy = Proof_Context.theory_of ctxt
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    val (maybe_t, thy) =
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      Sign.declare_const_global ((@{binding nitpick_maybe}, @{typ "'a => 'a"}),
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                          Mixfix (maybe_mixfix (), [1000], 1000)) thy
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    val (abs_t, thy) =
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      Sign.declare_const_global ((@{binding nitpick_abs}, @{typ "'a => 'b"}),
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                          Mixfix (abs_mixfix (), [40], 40)) thy
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    val (base_t, thy) =
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      Sign.declare_const_global ((@{binding nitpick_base}, @{typ "'a => 'a"}),
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                          Mixfix (base_mixfix (), [1000], 1000)) thy
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    val (step_t, thy) =
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      Sign.declare_const_global ((@{binding nitpick_step}, @{typ "'a => 'a"}),
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                          Mixfix (step_mixfix (), [1000], 1000)) thy
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  in
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    (pairself (pairself name_of) ((maybe_t, abs_t), (base_t, step_t)),
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     Proof_Context.transfer thy ctxt)
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  end
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(** Term reconstruction **)
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fun nth_atom_number pool T j =
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  case AList.lookup (op =) (!pool) T of
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    SOME js =>
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    (case find_index (curry (op =) j) js of
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       ~1 => (Unsynchronized.change pool (cons (T, j :: js));
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              length js + 1)
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     | n => length js - n)
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  | NONE => (Unsynchronized.change pool (cons (T, [j])); 1)
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fun atom_suffix s =
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  nat_subscript
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  #> (s <> "" andalso Symbol.is_ascii_digit (List.last (raw_explode s)))  (* FIXME Symbol.explode (?) *)
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     ? prefix "\<^sub>,"
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fun nth_atom_name thy atomss pool prefix T j =
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  let
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    val ss = these (triple_lookup (type_match thy) atomss T)
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    val m = nth_atom_number pool T j
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  in
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    if m <= length ss then
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      nth ss (m - 1)
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    else case T of
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      Type (s, _) =>
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      let val s' = shortest_name s in
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        prefix ^
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        (if T = @{typ string} then "s"
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         else if String.isPrefix "\\" s' then s'
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         else substring (s', 0, 1)) ^ atom_suffix s m
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      end
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    | TFree (s, _) => prefix ^ perhaps (try (unprefix "'")) s ^ atom_suffix s m
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    | _ => raise TYPE ("Nitpick_Model.nth_atom_name", [T], [])
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  end
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fun nth_atom thy atomss pool for_auto T j =
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  if for_auto then
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    Free (nth_atom_name thy atomss pool (hd (space_explode "." nitpick_prefix))
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                        T j, T)
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  else
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    Const (nth_atom_name thy atomss pool "" T j, T)
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fun extract_real_number (Const (@{const_name divide}, _) $ t1 $ t2) =
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    real (snd (HOLogic.dest_number t1)) / real (snd (HOLogic.dest_number t2))
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  | extract_real_number t = real (snd (HOLogic.dest_number t))
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fun nice_term_ord (Abs (_, _, t1), Abs (_, _, t2)) = nice_term_ord (t1, t2)
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  | nice_term_ord tp = Real.compare (pairself extract_real_number tp)
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    handle TERM ("dest_number", _) =>
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           case tp of
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             (t11 $ t12, t21 $ t22) =>
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             (case nice_term_ord (t11, t21) of
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                EQUAL => nice_term_ord (t12, t22)
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              | ord => ord)
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           | _ => Term_Ord.fast_term_ord tp
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fun register_term_postprocessor_generic T postproc =
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  Data.map (cons (T, postproc))
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(* TODO: Consider morphism. *)
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fun register_term_postprocessor T postproc (_ : morphism) =
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  register_term_postprocessor_generic T postproc
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val register_term_postprocessor_global =
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  Context.theory_map oo register_term_postprocessor_generic
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fun unregister_term_postprocessor_generic T = Data.map (AList.delete (op =) T)
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(* TODO: Consider morphism. *)
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fun unregister_term_postprocessor T (_ : morphism) =
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  unregister_term_postprocessor_generic T
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val unregister_term_postprocessor_global =
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  Context.theory_map o unregister_term_postprocessor_generic
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fun tuple_list_for_name rel_table bounds name =
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  the (AList.lookup (op =) bounds (the_rel rel_table name)) handle NUT _ => [[]]
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fun unarize_unbox_etc_term (Const (@{const_name FunBox}, _) $ t1) =
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    unarize_unbox_etc_term t1
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  | unarize_unbox_etc_term
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        (Const (@{const_name PairBox},
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                Type (@{type_name fun}, [T1, Type (@{type_name fun}, [T2, _])]))
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         $ t1 $ t2) =
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    let val Ts = map uniterize_unarize_unbox_etc_type [T1, T2] in
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      Const (@{const_name Pair}, Ts ---> Type (@{type_name prod}, Ts))
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      $ unarize_unbox_etc_term t1 $ unarize_unbox_etc_term t2
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    end
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  | unarize_unbox_etc_term (Const (s, T)) =
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    Const (s, uniterize_unarize_unbox_etc_type T)
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  | unarize_unbox_etc_term (t1 $ t2) =
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    unarize_unbox_etc_term t1 $ unarize_unbox_etc_term t2
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  | unarize_unbox_etc_term (Free (s, T)) =
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    Free (s, uniterize_unarize_unbox_etc_type T)
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  | unarize_unbox_etc_term (Var (x, T)) =
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    Var (x, uniterize_unarize_unbox_etc_type T)
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  | unarize_unbox_etc_term (Bound j) = Bound j
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  | unarize_unbox_etc_term (Abs (s, T, t')) =
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    Abs (s, uniterize_unarize_unbox_etc_type T, unarize_unbox_etc_term t')
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fun factor_out_types (T1 as Type (@{type_name prod}, [T11, T12]))
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                     (T2 as Type (@{type_name prod}, [T21, T22])) =
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    let val (n1, n2) = pairself num_factors_in_type (T11, T21) in
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      if n1 = n2 then
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        let
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          val ((T11', opt_T12'), (T21', opt_T22')) = factor_out_types T12 T22
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        in
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          ((Type (@{type_name prod}, [T11, T11']), opt_T12'),
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           (Type (@{type_name prod}, [T21, T21']), opt_T22'))
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        end
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      else if n1 < n2 then
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        case factor_out_types T1 T21 of
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          (p1, (T21', NONE)) => (p1, (T21', SOME T22))
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        | (p1, (T21', SOME T22')) =>
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          (p1, (T21', SOME (Type (@{type_name prod}, [T22', T22]))))
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      else
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        swap (factor_out_types T2 T1)
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    end
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  | factor_out_types (Type (@{type_name prod}, [T11, T12])) T2 =
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    ((T11, SOME T12), (T2, NONE))
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  | factor_out_types T1 (Type (@{type_name prod}, [T21, T22])) =
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    ((T1, NONE), (T21, SOME T22))
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  | factor_out_types T1 T2 = ((T1, NONE), (T2, NONE))
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(* Term-encoded data structure for holding key-value pairs as well as an "opt"
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   flag indicating whether the function is approximated. *)
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fun make_plain_fun maybe_opt T1 T2 =
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  let
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    fun aux T1 T2 [] =
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        Const (if maybe_opt then opt_flag else non_opt_flag, T1 --> T2)
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      | aux T1 T2 ((t1, t2) :: tps) =
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        Const (@{const_name fun_upd}, (T1 --> T2) --> T1 --> T2 --> T1 --> T2)
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        $ aux T1 T2 tps $ t1 $ t2
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  in aux T1 T2 o rev end
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fun is_plain_fun (Const (s, _)) = (s = opt_flag orelse s = non_opt_flag)
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  | is_plain_fun (Const (@{const_name fun_upd}, _) $ t0 $ _ $ _) =
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    is_plain_fun t0
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  | is_plain_fun _ = false
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val dest_plain_fun =
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  let
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    fun aux (Abs (_, _, Const (s, _))) = (s <> irrelevant, ([], []))
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      | aux (Const (s, _)) = (s <> non_opt_flag, ([], []))
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      | aux (Const (@{const_name fun_upd}, _) $ t0 $ t1 $ t2) =
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        let val (maybe_opt, (ts1, ts2)) = aux t0 in
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          (maybe_opt, (t1 :: ts1, t2 :: ts2))
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        end
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      | aux t = raise TERM ("Nitpick_Model.dest_plain_fun", [t])
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  in apsnd (pairself rev) o aux end
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fun break_in_two T T1 T2 t =
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  let
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    val ps = HOLogic.flat_tupleT_paths T
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    val cut = length (HOLogic.strip_tupleT T1)
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    val (ps1, ps2) = pairself HOLogic.flat_tupleT_paths (T1, T2)
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    val (ts1, ts2) = t |> HOLogic.strip_ptuple ps |> chop cut
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  in (HOLogic.mk_ptuple ps1 T1 ts1, HOLogic.mk_ptuple ps2 T2 ts2) end
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fun pair_up (Type (@{type_name prod}, [T1', T2']))
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            (t1 as Const (@{const_name Pair},
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                          Type (@{type_name fun},
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                                [_, Type (@{type_name fun}, [_, T1])]))
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             $ t11 $ t12) t2 =
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    if T1 = T1' then HOLogic.mk_prod (t1, t2)
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    else HOLogic.mk_prod (t11, pair_up T2' t12 t2)
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  | pair_up _ t1 t2 = HOLogic.mk_prod (t1, t2)
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fun multi_pair_up T1 t1 (ts2, ts3) = map2 (pair o pair_up T1 t1) ts2 ts3
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46083
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fun format_fun T' T1 T2 t =
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  let
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    val T1' = pseudo_domain_type T'
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    val T2' = pseudo_range_type T'
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    fun do_curry T1 T1a T1b T2 t =
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      let
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        val (maybe_opt, tsp) = dest_plain_fun t
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        val tps =
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          tsp |>> map (break_in_two T1 T1a T1b)
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              |> uncurry (map2 (fn (t1a, t1b) => fn t2 => (t1a, (t1b, t2))))
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              |> AList.coalesce (op =)
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              |> map (apsnd (make_plain_fun maybe_opt T1b T2))
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      in make_plain_fun maybe_opt T1a (T1b --> T2) tps end
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    and do_uncurry T1 T2 t =
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      let
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        val (maybe_opt, tsp) = dest_plain_fun t
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        val tps =
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          tsp |> op ~~
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              |> maps (fn (t1, t2) =>
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                          multi_pair_up T1 t1 (snd (dest_plain_fun t2)))
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      in make_plain_fun maybe_opt T1 T2 tps end
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    and do_arrow T1' T2' _ _ (Const (s, _)) = Const (s, T1' --> T2')
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      | do_arrow T1' T2' T1 T2
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                 (Const (@{const_name fun_upd}, _) $ t0 $ t1 $ t2) =
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        Const (@{const_name fun_upd},
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               (T1' --> T2') --> T1' --> T2' --> T1' --> T2')
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        $ do_arrow T1' T2' T1 T2 t0 $ do_term T1' T1 t1 $ do_term T2' T2 t2
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      | do_arrow _ _ _ _ t =
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        raise TERM ("Nitpick_Model.format_fun.do_arrow", [t])
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    and do_fun T1' T2' T1 T2 t =
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      case factor_out_types T1' T1 of
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        ((_, NONE), (_, NONE)) => t |> do_arrow T1' T2' T1 T2
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      | ((_, NONE), (T1a, SOME T1b)) =>
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        t |> do_curry T1 T1a T1b T2 |> do_arrow T1' T2' T1a (T1b --> T2)
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      | ((T1a', SOME T1b'), (_, NONE)) =>
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        t |> do_arrow T1a' (T1b' --> T2') T1 T2 |> do_uncurry T1' T2'
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      | _ => raise TYPE ("Nitpick_Model.format_fun.do_fun", [T1, T1'], [])
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    and do_term (Type (@{type_name fun}, [T1', T2']))
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                (Type (@{type_name fun}, [T1, T2])) t =
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        do_fun T1' T2' T1 T2 t
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      | do_term (T' as Type (@{type_name prod}, Ts' as [T1', T2']))
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                (Type (@{type_name prod}, [T1, T2]))
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                (Const (@{const_name Pair}, _) $ t1 $ t2) =
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        Const (@{const_name Pair}, Ts' ---> T')
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        $ do_term T1' T1 t1 $ do_term T2' T2 t2
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      | do_term T' T t =
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        if T = T' then t
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        else raise TYPE ("Nitpick_Model.format_fun.do_term", [T, T'], [])
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  in if T1' = T1 andalso T2' = T2 then t else do_fun T1' T2' T1 T2 t end
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fun truth_const_sort_key @{const True} = "0"
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  | truth_const_sort_key @{const False} = "2"
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  | truth_const_sort_key _ = "1"
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fun mk_tuple (Type (@{type_name prod}, [T1, T2])) ts =
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    HOLogic.mk_prod (mk_tuple T1 ts,
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        mk_tuple T2 (List.drop (ts, length (HOLogic.flatten_tupleT T1))))
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  | mk_tuple _ (t :: _) = t
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  | mk_tuple T [] = raise TYPE ("Nitpick_Model.mk_tuple", [T], [])
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   333
fun varified_type_match ctxt (candid_T, pat_T) =
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  let val thy = Proof_Context.theory_of ctxt in
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    strict_type_match thy (candid_T, varify_type ctxt pat_T)
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  end
35711
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   337
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   338
fun all_values_of_type pool wacky_names (scope as {card_assigns, ...} : scope)
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                       atomss sel_names rel_table bounds card T =
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  let
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    val card = if card = 0 then card_of_type card_assigns T else card
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   342
    fun nth_value_of_type n =
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   343
      let
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   344
        fun term unfold =
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          reconstruct_term true unfold pool wacky_names scope atomss sel_names
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                           rel_table bounds T T (Atom (card, 0)) [[n]]
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      in
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   348
        case term false of
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   349
          t as Const (s, _) =>
37261
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          if String.isPrefix (cyclic_const_prefix ()) s then
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   351
            HOLogic.mk_eq (t, term true)
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   352
          else
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   353
            t
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        | t => t
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   355
      end
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   356
  in index_seq 0 card |> map nth_value_of_type |> sort nice_term_ord end
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   357
and reconstruct_term maybe_opt unfold pool
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   358
        (wacky_names as ((maybe_name, abs_name), _))
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   359
        (scope as {hol_ctxt as {thy, ctxt, ...}, binarize, card_assigns, bits,
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   360
                   datatypes, ofs, ...})
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   361
        atomss sel_names rel_table bounds =
33192
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   362
  let
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   363
    val for_auto = (maybe_name = "")
34124
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   364
    fun value_of_bits jss =
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   365
      let
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   366
        val j0 = offset_of_type ofs @{typ unsigned_bit}
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   367
        val js = map (Integer.add (~ j0) o the_single) jss
c4628a1dcf75 added support for binary nat/int representation to Nitpick
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   368
      in
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   369
        fold (fn j => Integer.add (reasonable_power 2 j |> j = bits ? op ~))
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             js 0
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   371
      end
35712
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   372
    val all_values =
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   373
      all_values_of_type pool wacky_names scope atomss sel_names rel_table
dde817e6dfb1 added "atoms" option to Nitpick (request from Karlsruhe) + wrap Refute. functions to "nitpick_util.ML"
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   374
                         bounds 0
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   375
    fun postprocess_term (Type (@{type_name fun}, _)) = I
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   376
      | postprocess_term T =
38240
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   377
        case Data.get (Context.Proof ctxt) of
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   378
          [] => I
a44d108a8d39 local versions of Nitpick.register_xxx functions
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   379
        | postprocs =>
a44d108a8d39 local versions of Nitpick.register_xxx functions
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   380
          case AList.lookup (varified_type_match ctxt) postprocs T of
a44d108a8d39 local versions of Nitpick.register_xxx functions
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   381
            SOME postproc => postproc ctxt maybe_name all_values T
a44d108a8d39 local versions of Nitpick.register_xxx functions
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   382
          | NONE => I
35712
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   383
    fun postprocess_subterms Ts (t1 $ t2) =
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   384
        let val t = postprocess_subterms Ts t1 $ postprocess_subterms Ts t2 in
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diff changeset
   385
          postprocess_term (fastype_of1 (Ts, t)) t
77aa29bf14ee added a mechanism to Nitpick to support custom rendering of terms, and used it for multisets
blanchet
parents: 35711
diff changeset
   386
        end
77aa29bf14ee added a mechanism to Nitpick to support custom rendering of terms, and used it for multisets
blanchet
parents: 35711
diff changeset
   387
      | postprocess_subterms Ts (Abs (s, T, t')) =
77aa29bf14ee added a mechanism to Nitpick to support custom rendering of terms, and used it for multisets
blanchet
parents: 35711
diff changeset
   388
        Abs (s, T, postprocess_subterms (T :: Ts) t')
77aa29bf14ee added a mechanism to Nitpick to support custom rendering of terms, and used it for multisets
blanchet
parents: 35711
diff changeset
   389
      | postprocess_subterms Ts t = postprocess_term (fastype_of1 (Ts, t)) t
46083
efeaa79f021b port part of Nitpick to "set" type constructor
blanchet
parents: 45479
diff changeset
   390
    fun make_set maybe_opt T tps =
33192
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   391
      let
46097
0ed9365fa9d2 create consts with proper "set" types
blanchet
parents: 46083
diff changeset
   392
        val set_T = HOLogic.mk_setT T
0ed9365fa9d2 create consts with proper "set" types
blanchet
parents: 46083
diff changeset
   393
        val empty_const = Const (@{const_abbrev Set.empty}, set_T)
0ed9365fa9d2 create consts with proper "set" types
blanchet
parents: 46083
diff changeset
   394
        val insert_const = Const (@{const_name insert}, T --> set_T --> set_T)
33192
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   395
        fun aux [] =
46083
efeaa79f021b port part of Nitpick to "set" type constructor
blanchet
parents: 45479
diff changeset
   396
            if maybe_opt andalso not (is_complete_type datatypes false T) then
efeaa79f021b port part of Nitpick to "set" type constructor
blanchet
parents: 45479
diff changeset
   397
              insert_const $ Const (unrep (), T) $ empty_const
33192
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   398
            else
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   399
              empty_const
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   400
          | aux ((t1, t2) :: zs) =
35388
42d39948cace use SAT4J for "Tests_Nits.thy" for safety (this should solve the Isatest failures) + minor changes
blanchet
parents: 35385
diff changeset
   401
            aux zs
42d39948cace use SAT4J for "Tests_Nits.thy" for safety (this should solve the Isatest failures) + minor changes
blanchet
parents: 35385
diff changeset
   402
            |> t2 <> @{const False}
42d39948cace use SAT4J for "Tests_Nits.thy" for safety (this should solve the Isatest failures) + minor changes
blanchet
parents: 35385
diff changeset
   403
               ? curry (op $)
42d39948cace use SAT4J for "Tests_Nits.thy" for safety (this should solve the Isatest failures) + minor changes
blanchet
parents: 35385
diff changeset
   404
                       (insert_const
42d39948cace use SAT4J for "Tests_Nits.thy" for safety (this should solve the Isatest failures) + minor changes
blanchet
parents: 35385
diff changeset
   405
                        $ (t1 |> t2 <> @{const True}
42d39948cace use SAT4J for "Tests_Nits.thy" for safety (this should solve the Isatest failures) + minor changes
blanchet
parents: 35385
diff changeset
   406
                                 ? curry (op $)
46083
efeaa79f021b port part of Nitpick to "set" type constructor
blanchet
parents: 45479
diff changeset
   407
                                         (Const (maybe_name, T --> T))))
35388
42d39948cace use SAT4J for "Tests_Nits.thy" for safety (this should solve the Isatest failures) + minor changes
blanchet
parents: 35385
diff changeset
   408
      in
42d39948cace use SAT4J for "Tests_Nits.thy" for safety (this should solve the Isatest failures) + minor changes
blanchet
parents: 35385
diff changeset
   409
        if forall (fn (_, t) => t <> @{const True} andalso t <> @{const False})
42d39948cace use SAT4J for "Tests_Nits.thy" for safety (this should solve the Isatest failures) + minor changes
blanchet
parents: 35385
diff changeset
   410
                  tps then
46097
0ed9365fa9d2 create consts with proper "set" types
blanchet
parents: 46083
diff changeset
   411
          Const (unknown, set_T)
35388
42d39948cace use SAT4J for "Tests_Nits.thy" for safety (this should solve the Isatest failures) + minor changes
blanchet
parents: 35385
diff changeset
   412
        else
42d39948cace use SAT4J for "Tests_Nits.thy" for safety (this should solve the Isatest failures) + minor changes
blanchet
parents: 35385
diff changeset
   413
          aux tps
42d39948cace use SAT4J for "Tests_Nits.thy" for safety (this should solve the Isatest failures) + minor changes
blanchet
parents: 35385
diff changeset
   414
      end
35665
ff2bf50505ab added "finitize" option to Nitpick + remove dependency on "Coinductive_List"
blanchet
parents: 35625
diff changeset
   415
    fun make_map maybe_opt T1 T2 T2' =
33192
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   416
      let
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   417
        val update_const = Const (@{const_name fun_upd},
34124
c4628a1dcf75 added support for binary nat/int representation to Nitpick
blanchet
parents: 34123
diff changeset
   418
                                  (T1 --> T2) --> T1 --> T2 --> T1 --> T2)
35402
115a5a95710a clarified @{const_name} vs. @{const_abbrev};
wenzelm
parents: 35388
diff changeset
   419
        fun aux' [] = Const (@{const_abbrev Map.empty}, T1 --> T2)
35712
77aa29bf14ee added a mechanism to Nitpick to support custom rendering of terms, and used it for multisets
blanchet
parents: 35711
diff changeset
   420
          | aux' ((t1, t2) :: tps) =
33192
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   421
            (case t2 of
35712
77aa29bf14ee added a mechanism to Nitpick to support custom rendering of terms, and used it for multisets
blanchet
parents: 35711
diff changeset
   422
               Const (@{const_name None}, _) => aux' tps
77aa29bf14ee added a mechanism to Nitpick to support custom rendering of terms, and used it for multisets
blanchet
parents: 35711
diff changeset
   423
             | _ => update_const $ aux' tps $ t1 $ t2)
77aa29bf14ee added a mechanism to Nitpick to support custom rendering of terms, and used it for multisets
blanchet
parents: 35711
diff changeset
   424
        fun aux tps =
35665
ff2bf50505ab added "finitize" option to Nitpick + remove dependency on "Coinductive_List"
blanchet
parents: 35625
diff changeset
   425
          if maybe_opt andalso not (is_complete_type datatypes false T1) then
37261
8a89fd40ed0b honor xsymbols in Nitpick
blanchet
parents: 37260
diff changeset
   426
            update_const $ aux' tps $ Const (unrep (), T1)
33192
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   427
            $ (Const (@{const_name Some}, T2' --> T2) $ Const (unknown, T2'))
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   428
          else
35712
77aa29bf14ee added a mechanism to Nitpick to support custom rendering of terms, and used it for multisets
blanchet
parents: 35711
diff changeset
   429
            aux' tps
33192
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   430
      in aux end
34982
7b8c366e34a2 added support for nonstandard models to Nitpick (based on an idea by Koen Claessen) and did other fixes to Nitpick
blanchet
parents: 34974
diff changeset
   431
    fun polish_funs Ts t =
33192
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   432
      (case fastype_of1 (Ts, t) of
35665
ff2bf50505ab added "finitize" option to Nitpick + remove dependency on "Coinductive_List"
blanchet
parents: 35625
diff changeset
   433
         Type (@{type_name fun}, [T1, T2]) =>
33192
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   434
         if is_plain_fun t then
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   435
           case T2 of
46083
efeaa79f021b port part of Nitpick to "set" type constructor
blanchet
parents: 45479
diff changeset
   436
             Type (@{type_name option}, [T2']) =>
33192
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   437
             let
35665
ff2bf50505ab added "finitize" option to Nitpick + remove dependency on "Coinductive_List"
blanchet
parents: 35625
diff changeset
   438
               val (maybe_opt, ts_pair) =
ff2bf50505ab added "finitize" option to Nitpick + remove dependency on "Coinductive_List"
blanchet
parents: 35625
diff changeset
   439
                 dest_plain_fun t ||> pairself (map (polish_funs Ts))
ff2bf50505ab added "finitize" option to Nitpick + remove dependency on "Coinductive_List"
blanchet
parents: 35625
diff changeset
   440
             in make_map maybe_opt T1 T2 T2' (rev (op ~~ ts_pair)) end
33192
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   441
           | _ => raise SAME ()
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   442
         else
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   443
           raise SAME ()
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   444
       | _ => raise SAME ())
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   445
      handle SAME () =>
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   446
             case t of
34982
7b8c366e34a2 added support for nonstandard models to Nitpick (based on an idea by Koen Claessen) and did other fixes to Nitpick
blanchet
parents: 34974
diff changeset
   447
               (t1 as Const (@{const_name fun_upd}, _) $ t11 $ _)
7b8c366e34a2 added support for nonstandard models to Nitpick (based on an idea by Koen Claessen) and did other fixes to Nitpick
blanchet
parents: 34974
diff changeset
   448
               $ (t2 as Const (s, _)) =>
7b8c366e34a2 added support for nonstandard models to Nitpick (based on an idea by Koen Claessen) and did other fixes to Nitpick
blanchet
parents: 34974
diff changeset
   449
               if s = unknown then polish_funs Ts t11
7b8c366e34a2 added support for nonstandard models to Nitpick (based on an idea by Koen Claessen) and did other fixes to Nitpick
blanchet
parents: 34974
diff changeset
   450
               else polish_funs Ts t1 $ polish_funs Ts t2
7b8c366e34a2 added support for nonstandard models to Nitpick (based on an idea by Koen Claessen) and did other fixes to Nitpick
blanchet
parents: 34974
diff changeset
   451
             | t1 $ t2 => polish_funs Ts t1 $ polish_funs Ts t2
7b8c366e34a2 added support for nonstandard models to Nitpick (based on an idea by Koen Claessen) and did other fixes to Nitpick
blanchet
parents: 34974
diff changeset
   452
             | Abs (s, T, t') => Abs (s, T, polish_funs (T :: Ts) t')
35665
ff2bf50505ab added "finitize" option to Nitpick + remove dependency on "Coinductive_List"
blanchet
parents: 35625
diff changeset
   453
             | Const (s, Type (@{type_name fun}, [T1, T2])) =>
34982
7b8c366e34a2 added support for nonstandard models to Nitpick (based on an idea by Koen Claessen) and did other fixes to Nitpick
blanchet
parents: 34974
diff changeset
   454
               if s = opt_flag orelse s = non_opt_flag then
35712
77aa29bf14ee added a mechanism to Nitpick to support custom rendering of terms, and used it for multisets
blanchet
parents: 35711
diff changeset
   455
                 Abs ("x", T1,
77aa29bf14ee added a mechanism to Nitpick to support custom rendering of terms, and used it for multisets
blanchet
parents: 35711
diff changeset
   456
                      Const (if is_complete_type datatypes false T1 then
77aa29bf14ee added a mechanism to Nitpick to support custom rendering of terms, and used it for multisets
blanchet
parents: 35711
diff changeset
   457
                               irrelevant
77aa29bf14ee added a mechanism to Nitpick to support custom rendering of terms, and used it for multisets
blanchet
parents: 35711
diff changeset
   458
                             else
77aa29bf14ee added a mechanism to Nitpick to support custom rendering of terms, and used it for multisets
blanchet
parents: 35711
diff changeset
   459
                               unknown, T2))
34982
7b8c366e34a2 added support for nonstandard models to Nitpick (based on an idea by Koen Claessen) and did other fixes to Nitpick
blanchet
parents: 34974
diff changeset
   460
               else
7b8c366e34a2 added support for nonstandard models to Nitpick (based on an idea by Koen Claessen) and did other fixes to Nitpick
blanchet
parents: 34974
diff changeset
   461
                 t
7b8c366e34a2 added support for nonstandard models to Nitpick (based on an idea by Koen Claessen) and did other fixes to Nitpick
blanchet
parents: 34974
diff changeset
   462
             | t => t
46083
efeaa79f021b port part of Nitpick to "set" type constructor
blanchet
parents: 45479
diff changeset
   463
    fun make_fun_or_set maybe_opt T T1 T2 T' ts1 ts2 =
efeaa79f021b port part of Nitpick to "set" type constructor
blanchet
parents: 45479
diff changeset
   464
      ts1 ~~ ts2
efeaa79f021b port part of Nitpick to "set" type constructor
blanchet
parents: 45479
diff changeset
   465
      |> sort (nice_term_ord o pairself fst)
efeaa79f021b port part of Nitpick to "set" type constructor
blanchet
parents: 45479
diff changeset
   466
      |> (case T of
efeaa79f021b port part of Nitpick to "set" type constructor
blanchet
parents: 45479
diff changeset
   467
            Type (@{type_name set}, _) =>
efeaa79f021b port part of Nitpick to "set" type constructor
blanchet
parents: 45479
diff changeset
   468
            sort_wrt (truth_const_sort_key o snd)
efeaa79f021b port part of Nitpick to "set" type constructor
blanchet
parents: 45479
diff changeset
   469
            #> make_set maybe_opt T'
efeaa79f021b port part of Nitpick to "set" type constructor
blanchet
parents: 45479
diff changeset
   470
          | _ =>
efeaa79f021b port part of Nitpick to "set" type constructor
blanchet
parents: 45479
diff changeset
   471
            make_plain_fun maybe_opt T1 T2
efeaa79f021b port part of Nitpick to "set" type constructor
blanchet
parents: 45479
diff changeset
   472
            #> unarize_unbox_etc_term
efeaa79f021b port part of Nitpick to "set" type constructor
blanchet
parents: 45479
diff changeset
   473
            #> format_fun (uniterize_unarize_unbox_etc_type T')
efeaa79f021b port part of Nitpick to "set" type constructor
blanchet
parents: 45479
diff changeset
   474
                          (uniterize_unarize_unbox_etc_type T1)
efeaa79f021b port part of Nitpick to "set" type constructor
blanchet
parents: 45479
diff changeset
   475
                          (uniterize_unarize_unbox_etc_type T2))
46112
31bc296a1257 handle higher-order occurrences of sets gracefully in model display
blanchet
parents: 46104
diff changeset
   476
31bc296a1257 handle higher-order occurrences of sets gracefully in model display
blanchet
parents: 46104
diff changeset
   477
31bc296a1257 handle higher-order occurrences of sets gracefully in model display
blanchet
parents: 46104
diff changeset
   478
    fun term_for_fun_or_set seen T T' j =
33192
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   479
        let
46112
31bc296a1257 handle higher-order occurrences of sets gracefully in model display
blanchet
parents: 46104
diff changeset
   480
          val k1 = card_of_type card_assigns (pseudo_domain_type T)
31bc296a1257 handle higher-order occurrences of sets gracefully in model display
blanchet
parents: 46104
diff changeset
   481
          val k2 = card_of_type card_assigns (pseudo_range_type T)
33192
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   482
        in
35665
ff2bf50505ab added "finitize" option to Nitpick + remove dependency on "Coinductive_List"
blanchet
parents: 35625
diff changeset
   483
          term_for_rep true seen T T' (Vect (k1, Atom (k2, 0)))
33192
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   484
                       [nth_combination (replicate k1 (k2, 0)) j]
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   485
          handle General.Subscript =>
46112
31bc296a1257 handle higher-order occurrences of sets gracefully in model display
blanchet
parents: 46104
diff changeset
   486
                 raise ARG ("Nitpick_Model.reconstruct_term.\
31bc296a1257 handle higher-order occurrences of sets gracefully in model display
blanchet
parents: 46104
diff changeset
   487
                            \term_for_fun_or_set",
33192
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   488
                            signed_string_of_int j ^ " for " ^
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   489
                            string_for_rep (Vect (k1, Atom (k2, 0))))
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   490
        end
46112
31bc296a1257 handle higher-order occurrences of sets gracefully in model display
blanchet
parents: 46104
diff changeset
   491
    and term_for_atom seen (T as Type (@{type_name fun}, _)) T' j _ =
31bc296a1257 handle higher-order occurrences of sets gracefully in model display
blanchet
parents: 46104
diff changeset
   492
        term_for_fun_or_set seen T T' j
31bc296a1257 handle higher-order occurrences of sets gracefully in model display
blanchet
parents: 46104
diff changeset
   493
      | term_for_atom seen (T as Type (@{type_name set}, _)) T' j _ =
31bc296a1257 handle higher-order occurrences of sets gracefully in model display
blanchet
parents: 46104
diff changeset
   494
        term_for_fun_or_set seen T T' j
38190
b02e204b613a get rid of all "optimizations" regarding "unit" and other cardinality-1 types
blanchet
parents: 38189
diff changeset
   495
      | term_for_atom seen (Type (@{type_name prod}, [T1, T2])) _ j k =
35075
888802be2019 handle Nitpick's nonstandard model enumeration in a cleaner way;
blanchet
parents: 35070
diff changeset
   496
        let
888802be2019 handle Nitpick's nonstandard model enumeration in a cleaner way;
blanchet
parents: 35070
diff changeset
   497
          val k1 = card_of_type card_assigns T1
888802be2019 handle Nitpick's nonstandard model enumeration in a cleaner way;
blanchet
parents: 35070
diff changeset
   498
          val k2 = k div k1
888802be2019 handle Nitpick's nonstandard model enumeration in a cleaner way;
blanchet
parents: 35070
diff changeset
   499
        in
33192
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   500
          list_comb (HOLogic.pair_const T1 T2,
35075
888802be2019 handle Nitpick's nonstandard model enumeration in a cleaner way;
blanchet
parents: 35070
diff changeset
   501
                     map3 (fn T => term_for_atom seen T T) [T1, T2]
46112
31bc296a1257 handle higher-order occurrences of sets gracefully in model display
blanchet
parents: 46104
diff changeset
   502
                          (* ### k2 or k1? FIXME *)
31bc296a1257 handle higher-order occurrences of sets gracefully in model display
blanchet
parents: 46104
diff changeset
   503
                          [j div k2, j mod k2] [k1, k2])
33192
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   504
        end
35075
888802be2019 handle Nitpick's nonstandard model enumeration in a cleaner way;
blanchet
parents: 35070
diff changeset
   505
      | term_for_atom seen @{typ prop} _ j k =
888802be2019 handle Nitpick's nonstandard model enumeration in a cleaner way;
blanchet
parents: 35070
diff changeset
   506
        HOLogic.mk_Trueprop (term_for_atom seen bool_T bool_T j k)
888802be2019 handle Nitpick's nonstandard model enumeration in a cleaner way;
blanchet
parents: 35070
diff changeset
   507
      | term_for_atom _ @{typ bool} _ j _ =
33192
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   508
        if j = 0 then @{const False} else @{const True}
35075
888802be2019 handle Nitpick's nonstandard model enumeration in a cleaner way;
blanchet
parents: 35070
diff changeset
   509
      | term_for_atom seen T _ j k =
55888
cac1add157e8 removed nonstandard models from Nitpick
blanchet
parents: 55725
diff changeset
   510
        if T = nat_T then
33192
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   511
          HOLogic.mk_number nat_T j
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   512
        else if T = int_T then
35075
888802be2019 handle Nitpick's nonstandard model enumeration in a cleaner way;
blanchet
parents: 35070
diff changeset
   513
          HOLogic.mk_number int_T (int_for_atom (k, 0) j)
33192
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   514
        else if is_fp_iterator_type T then
35075
888802be2019 handle Nitpick's nonstandard model enumeration in a cleaner way;
blanchet
parents: 35070
diff changeset
   515
          HOLogic.mk_number nat_T (k - j - 1)
33192
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   516
        else if T = @{typ bisim_iterator} then
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   517
          HOLogic.mk_number nat_T j
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   518
        else case datatype_spec datatypes T of
37260
dde817e6dfb1 added "atoms" option to Nitpick (request from Karlsruhe) + wrap Refute. functions to "nitpick_util.ML"
blanchet
parents: 37256
diff changeset
   519
          NONE => nth_atom thy atomss pool for_auto T j
dde817e6dfb1 added "atoms" option to Nitpick (request from Karlsruhe) + wrap Refute. functions to "nitpick_util.ML"
blanchet
parents: 37256
diff changeset
   520
        | SOME {deep = false, ...} => nth_atom thy atomss pool for_auto T j
55888
cac1add157e8 removed nonstandard models from Nitpick
blanchet
parents: 55725
diff changeset
   521
        | SOME {co, constrs, ...} =>
33192
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   522
          let
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   523
            fun tuples_for_const (s, T) =
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   524
              tuple_list_for_name rel_table bounds (ConstName (s, T, Any))
35180
c57dba973391 more work on Nitpick's support for nonstandard models + fix in model reconstruction
blanchet
parents: 35179
diff changeset
   525
            fun cyclic_atom () =
37261
8a89fd40ed0b honor xsymbols in Nitpick
blanchet
parents: 37260
diff changeset
   526
              nth_atom thy atomss pool for_auto (Type (cyclic_type_name (), []))
8a89fd40ed0b honor xsymbols in Nitpick
blanchet
parents: 37260
diff changeset
   527
                       j
37260
dde817e6dfb1 added "atoms" option to Nitpick (request from Karlsruhe) + wrap Refute. functions to "nitpick_util.ML"
blanchet
parents: 37256
diff changeset
   528
            fun cyclic_var () =
dde817e6dfb1 added "atoms" option to Nitpick (request from Karlsruhe) + wrap Refute. functions to "nitpick_util.ML"
blanchet
parents: 37256
diff changeset
   529
              Var ((nth_atom_name thy atomss pool "" T j, 0), T)
33192
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   530
            val discr_jsss = map (tuples_for_const o discr_for_constr o #const)
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   531
                                 constrs
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   532
            val real_j = j + offset_of_type ofs T
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   533
            val constr_x as (constr_s, constr_T) =
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   534
              get_first (fn (jss, {const, ...}) =>
34121
5e831d805118 get rid of polymorphic equality in Nitpick's code + a few minor cleanups
blanchet
parents: 33982
diff changeset
   535
                            if member (op =) jss [real_j] then SOME const
5e831d805118 get rid of polymorphic equality in Nitpick's code + a few minor cleanups
blanchet
parents: 33982
diff changeset
   536
                            else NONE)
33192
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   537
                        (discr_jsss ~~ constrs) |> the
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   538
            val arg_Ts = curried_binder_types constr_T
35190
ce653cc27a94 make sure that Nitpick uses binary notation consistently if "binary_ints" is enabled
blanchet
parents: 35188
diff changeset
   539
            val sel_xs =
ce653cc27a94 make sure that Nitpick uses binary notation consistently if "binary_ints" is enabled
blanchet
parents: 35188
diff changeset
   540
              map (binarized_and_boxed_nth_sel_for_constr hol_ctxt binarize
ce653cc27a94 make sure that Nitpick uses binary notation consistently if "binary_ints" is enabled
blanchet
parents: 35188
diff changeset
   541
                                                          constr_x)
ce653cc27a94 make sure that Nitpick uses binary notation consistently if "binary_ints" is enabled
blanchet
parents: 35188
diff changeset
   542
                  (index_seq 0 (length arg_Ts))
33192
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   543
            val sel_Rs =
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   544
              map (fn x => get_first
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   545
                               (fn ConstName (s', T', R) =>
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   546
                                   if (s', T') = x then SOME R else NONE
33232
f93390060bbe internal renaming in Nitpick and fixed Kodkodi invokation on Linux;
blanchet
parents: 33202
diff changeset
   547
                                 | u => raise NUT ("Nitpick_Model.reconstruct_\
33192
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   548
                                                   \term.term_for_atom", [u]))
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   549
                               sel_names |> the) sel_xs
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   550
            val arg_Rs = map (snd o dest_Func) sel_Rs
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   551
            val sel_jsss = map tuples_for_const sel_xs
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   552
            val arg_jsss =
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   553
              map (map_filter (fn js => if hd js = real_j then SOME (tl js)
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   554
                                        else NONE)) sel_jsss
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   555
            val uncur_arg_Ts = binder_types constr_T
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   556
          in
55888
cac1add157e8 removed nonstandard models from Nitpick
blanchet
parents: 55725
diff changeset
   557
            if co andalso not (null seen) andalso
35188
8c70a34931b1 improve Nitpick's "Datatypes" rendering for elements containing cycles
blanchet
parents: 35180
diff changeset
   558
               member (op =) (seen |> unfold ? (fst o split_last)) (T, j) then
35180
c57dba973391 more work on Nitpick's support for nonstandard models + fix in model reconstruction
blanchet
parents: 35179
diff changeset
   559
              cyclic_var ()
34124
c4628a1dcf75 added support for binary nat/int representation to Nitpick
blanchet
parents: 34123
diff changeset
   560
            else if constr_s = @{const_name Word} then
c4628a1dcf75 added support for binary nat/int representation to Nitpick
blanchet
parents: 34123
diff changeset
   561
              HOLogic.mk_number
c4628a1dcf75 added support for binary nat/int representation to Nitpick
blanchet
parents: 34123
diff changeset
   562
                  (if T = @{typ "unsigned_bit word"} then nat_T else int_T)
c4628a1dcf75 added support for binary nat/int representation to Nitpick
blanchet
parents: 34123
diff changeset
   563
                  (value_of_bits (the_single arg_jsss))
33192
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   564
            else
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   565
              let
55888
cac1add157e8 removed nonstandard models from Nitpick
blanchet
parents: 55725
diff changeset
   566
                val seen = seen |> co ? cons (T, j)
33192
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   567
                val ts =
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   568
                  if length arg_Ts = 0 then
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   569
                    []
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   570
                  else
41052
3db267a01c1d remove the "fin_fun" optimization in Nitpick -- it was always a hack and didn't help much
blanchet
parents: 41039
diff changeset
   571
                    map3 (fn Ts => term_for_rep true seen Ts Ts) arg_Ts arg_Rs
3db267a01c1d remove the "fin_fun" optimization in Nitpick -- it was always a hack and didn't help much
blanchet
parents: 41039
diff changeset
   572
                         arg_jsss
33192
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   573
                    |> mk_tuple (HOLogic.mk_tupleT uncur_arg_Ts)
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   574
                    |> dest_n_tuple (length uncur_arg_Ts)
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   575
                val t =
47909
5f1afeebafbc fixed "real" after they were redefined as a 'quotient_type'
blanchet
parents: 46112
diff changeset
   576
                  if constr_s = @{const_name Nitpick.Abs_Frac} then
35711
548d3f16404b added term postprocessor to Nitpick, to provide custom syntax for typedefs
blanchet
parents: 35665
diff changeset
   577
                    case ts of
548d3f16404b added term postprocessor to Nitpick, to provide custom syntax for typedefs
blanchet
parents: 35665
diff changeset
   578
                      [Const (@{const_name Pair}, _) $ t1 $ t2] =>
548d3f16404b added term postprocessor to Nitpick, to provide custom syntax for typedefs
blanchet
parents: 35665
diff changeset
   579
                      frac_from_term_pair (body_type T) t1 t2
548d3f16404b added term postprocessor to Nitpick, to provide custom syntax for typedefs
blanchet
parents: 35665
diff changeset
   580
                    | _ => raise TERM ("Nitpick_Model.reconstruct_term.\
548d3f16404b added term postprocessor to Nitpick, to provide custom syntax for typedefs
blanchet
parents: 35665
diff changeset
   581
                                       \term_for_atom (Abs_Frac)", ts)
34936
c4f04bee79f3 some work on Nitpick's support for quotient types;
blanchet
parents: 34126
diff changeset
   582
                  else if not for_auto andalso
37256
0dca1ec52999 thread along context instead of theory for typedef lookup
blanchet
parents: 37170
diff changeset
   583
                          (is_abs_fun ctxt constr_x orelse
34936
c4f04bee79f3 some work on Nitpick's support for quotient types;
blanchet
parents: 34126
diff changeset
   584
                           constr_s = @{const_name Quot}) then
33192
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   585
                    Const (abs_name, constr_T) $ the_single ts
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   586
                  else
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   587
                    list_comb (Const constr_x, ts)
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   588
              in
55888
cac1add157e8 removed nonstandard models from Nitpick
blanchet
parents: 55725
diff changeset
   589
                if co then
35180
c57dba973391 more work on Nitpick's support for nonstandard models + fix in model reconstruction
blanchet
parents: 35179
diff changeset
   590
                  let val var = cyclic_var () in
55888
cac1add157e8 removed nonstandard models from Nitpick
blanchet
parents: 55725
diff changeset
   591
                    if exists_subterm (curry (op =) var) t then
35179
4b198af5beb5 redo Nitpick's nonstandard values as cyclic values (instead of additional constructors)
blanchet
parents: 35177
diff changeset
   592
                      if co then
4b198af5beb5 redo Nitpick's nonstandard values as cyclic values (instead of additional constructors)
blanchet
parents: 35177
diff changeset
   593
                        Const (@{const_name The}, (T --> bool_T) --> T)
37261
8a89fd40ed0b honor xsymbols in Nitpick
blanchet
parents: 37260
diff changeset
   594
                        $ Abs (cyclic_co_val_name (), T,
38864
4abe644fcea5 formerly unnamed infix equality now named HOL.eq
haftmann
parents: 38284
diff changeset
   595
                               Const (@{const_name HOL.eq}, T --> T --> bool_T)
35180
c57dba973391 more work on Nitpick's support for nonstandard models + fix in model reconstruction
blanchet
parents: 35179
diff changeset
   596
                               $ Bound 0 $ abstract_over (var, t))
35179
4b198af5beb5 redo Nitpick's nonstandard values as cyclic values (instead of additional constructors)
blanchet
parents: 35177
diff changeset
   597
                      else
35180
c57dba973391 more work on Nitpick's support for nonstandard models + fix in model reconstruction
blanchet
parents: 35179
diff changeset
   598
                        cyclic_atom ()
33192
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   599
                    else
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   600
                      t
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   601
                  end
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   602
                else
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   603
                  t
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   604
              end
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   605
          end
46083
efeaa79f021b port part of Nitpick to "set" type constructor
blanchet
parents: 45479
diff changeset
   606
    and term_for_vect seen k R T T' js =
efeaa79f021b port part of Nitpick to "set" type constructor
blanchet
parents: 45479
diff changeset
   607
      let
efeaa79f021b port part of Nitpick to "set" type constructor
blanchet
parents: 45479
diff changeset
   608
        val T1 = pseudo_domain_type T
efeaa79f021b port part of Nitpick to "set" type constructor
blanchet
parents: 45479
diff changeset
   609
        val T2 = pseudo_range_type T
efeaa79f021b port part of Nitpick to "set" type constructor
blanchet
parents: 45479
diff changeset
   610
      in
efeaa79f021b port part of Nitpick to "set" type constructor
blanchet
parents: 45479
diff changeset
   611
        make_fun_or_set true T T1 T2 T'
efeaa79f021b port part of Nitpick to "set" type constructor
blanchet
parents: 45479
diff changeset
   612
            (map (fn j => term_for_atom seen T1 T1 j k) (index_seq 0 k))
efeaa79f021b port part of Nitpick to "set" type constructor
blanchet
parents: 45479
diff changeset
   613
            (map (term_for_rep true seen T2 T2 R o single)
48323
7b5f7ca25d17 optimized MaSh output by chunking it
blanchet
parents: 47909
diff changeset
   614
                 (chunk_list (arity_of_rep R) js))
46083
efeaa79f021b port part of Nitpick to "set" type constructor
blanchet
parents: 45479
diff changeset
   615
      end
38190
b02e204b613a get rid of all "optimizations" regarding "unit" and other cardinality-1 types
blanchet
parents: 38189
diff changeset
   616
    and term_for_rep _ seen T T' (R as Atom (k, j0)) [[j]] =
35075
888802be2019 handle Nitpick's nonstandard model enumeration in a cleaner way;
blanchet
parents: 35070
diff changeset
   617
        if j >= j0 andalso j < j0 + k then term_for_atom seen T T' (j - j0) k
33232
f93390060bbe internal renaming in Nitpick and fixed Kodkodi invokation on Linux;
blanchet
parents: 33202
diff changeset
   618
        else raise REP ("Nitpick_Model.reconstruct_term.term_for_rep", [R])
38190
b02e204b613a get rid of all "optimizations" regarding "unit" and other cardinality-1 types
blanchet
parents: 38189
diff changeset
   619
      | term_for_rep _ seen (Type (@{type_name prod}, [T1, T2])) _
35665
ff2bf50505ab added "finitize" option to Nitpick + remove dependency on "Coinductive_List"
blanchet
parents: 35625
diff changeset
   620
                     (Struct [R1, R2]) [js] =
33192
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   621
        let
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   622
          val arity1 = arity_of_rep R1
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   623
          val (js1, js2) = chop arity1 js
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   624
        in
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   625
          list_comb (HOLogic.pair_const T1 T2,
35665
ff2bf50505ab added "finitize" option to Nitpick + remove dependency on "Coinductive_List"
blanchet
parents: 35625
diff changeset
   626
                     map3 (fn T => term_for_rep true seen T T) [T1, T2] [R1, R2]
33192
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   627
                          [[js1], [js2]])
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   628
        end
46083
efeaa79f021b port part of Nitpick to "set" type constructor
blanchet
parents: 45479
diff changeset
   629
      | term_for_rep _ seen T T' (Vect (k, R')) [js] =
efeaa79f021b port part of Nitpick to "set" type constructor
blanchet
parents: 45479
diff changeset
   630
        term_for_vect seen k R' T T' js
efeaa79f021b port part of Nitpick to "set" type constructor
blanchet
parents: 45479
diff changeset
   631
      | term_for_rep maybe_opt seen T T' (Func (R1, Formula Neut)) jss =
33192
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   632
        let
46083
efeaa79f021b port part of Nitpick to "set" type constructor
blanchet
parents: 45479
diff changeset
   633
          val T1 = pseudo_domain_type T
efeaa79f021b port part of Nitpick to "set" type constructor
blanchet
parents: 45479
diff changeset
   634
          val T2 = pseudo_range_type T
33192
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   635
          val jss1 = all_combinations_for_rep R1
35665
ff2bf50505ab added "finitize" option to Nitpick + remove dependency on "Coinductive_List"
blanchet
parents: 35625
diff changeset
   636
          val ts1 = map (term_for_rep true seen T1 T1 R1 o single) jss1
33192
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   637
          val ts2 =
35665
ff2bf50505ab added "finitize" option to Nitpick + remove dependency on "Coinductive_List"
blanchet
parents: 35625
diff changeset
   638
            map (fn js => term_for_rep true seen T2 T2 (Atom (2, 0))
35385
29f81babefd7 improved precision of infinite "shallow" datatypes in Nitpick;
blanchet
parents: 35280
diff changeset
   639
                                       [[int_from_bool (member (op =) jss js)]])
34121
5e831d805118 get rid of polymorphic equality in Nitpick's code + a few minor cleanups
blanchet
parents: 33982
diff changeset
   640
                jss1
46083
efeaa79f021b port part of Nitpick to "set" type constructor
blanchet
parents: 45479
diff changeset
   641
        in make_fun_or_set maybe_opt T T1 T2 T' ts1 ts2 end
efeaa79f021b port part of Nitpick to "set" type constructor
blanchet
parents: 45479
diff changeset
   642
      | term_for_rep maybe_opt seen T T' (Func (R1, R2)) jss =
33192
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   643
        let
46083
efeaa79f021b port part of Nitpick to "set" type constructor
blanchet
parents: 45479
diff changeset
   644
          val T1 = pseudo_domain_type T
efeaa79f021b port part of Nitpick to "set" type constructor
blanchet
parents: 45479
diff changeset
   645
          val T2 = pseudo_range_type T
33192
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   646
          val arity1 = arity_of_rep R1
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   647
          val jss1 = all_combinations_for_rep R1
35665
ff2bf50505ab added "finitize" option to Nitpick + remove dependency on "Coinductive_List"
blanchet
parents: 35625
diff changeset
   648
          val ts1 = map (term_for_rep false seen T1 T1 R1 o single) jss1
33192
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   649
          val grouped_jss2 = AList.group (op =) (map (chop arity1) jss)
35665
ff2bf50505ab added "finitize" option to Nitpick + remove dependency on "Coinductive_List"
blanchet
parents: 35625
diff changeset
   650
          val ts2 = map (term_for_rep false seen T2 T2 R2 o the_default []
33192
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   651
                         o AList.lookup (op =) grouped_jss2) jss1
46083
efeaa79f021b port part of Nitpick to "set" type constructor
blanchet
parents: 45479
diff changeset
   652
        in make_fun_or_set maybe_opt T T1 T2 T' ts1 ts2 end
35665
ff2bf50505ab added "finitize" option to Nitpick + remove dependency on "Coinductive_List"
blanchet
parents: 35625
diff changeset
   653
      | term_for_rep _ seen T T' (Opt R) jss =
ff2bf50505ab added "finitize" option to Nitpick + remove dependency on "Coinductive_List"
blanchet
parents: 35625
diff changeset
   654
        if null jss then Const (unknown, T)
ff2bf50505ab added "finitize" option to Nitpick + remove dependency on "Coinductive_List"
blanchet
parents: 35625
diff changeset
   655
        else term_for_rep true seen T T' R jss
ff2bf50505ab added "finitize" option to Nitpick + remove dependency on "Coinductive_List"
blanchet
parents: 35625
diff changeset
   656
      | term_for_rep _ _ T _ R jss =
33232
f93390060bbe internal renaming in Nitpick and fixed Kodkodi invokation on Linux;
blanchet
parents: 33202
diff changeset
   657
        raise ARG ("Nitpick_Model.reconstruct_term.term_for_rep",
37260
dde817e6dfb1 added "atoms" option to Nitpick (request from Karlsruhe) + wrap Refute. functions to "nitpick_util.ML"
blanchet
parents: 37256
diff changeset
   658
                   Syntax.string_of_typ ctxt T ^ " " ^ string_for_rep R ^ " " ^
33192
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   659
                   string_of_int (length jss))
35712
77aa29bf14ee added a mechanism to Nitpick to support custom rendering of terms, and used it for multisets
blanchet
parents: 35711
diff changeset
   660
  in
77aa29bf14ee added a mechanism to Nitpick to support custom rendering of terms, and used it for multisets
blanchet
parents: 35711
diff changeset
   661
    postprocess_subterms [] o polish_funs [] o unarize_unbox_etc_term
37262
c0fe8fa35771 don't show spurious "..." in Nitpick's output for free variables of set type (e.g., P (op +) example from Manual_Nits.thy); undoes parts of 38ba15040455, which was too aggressive
blanchet
parents: 37261
diff changeset
   662
    oooo term_for_rep maybe_opt []
35712
77aa29bf14ee added a mechanism to Nitpick to support custom rendering of terms, and used it for multisets
blanchet
parents: 35711
diff changeset
   663
  end
33192
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   664
35718
eee1a5e0d334 moved some Nitpick code around
blanchet
parents: 35712
diff changeset
   665
(** Constant postprocessing **)
eee1a5e0d334 moved some Nitpick code around
blanchet
parents: 35712
diff changeset
   666
eee1a5e0d334 moved some Nitpick code around
blanchet
parents: 35712
diff changeset
   667
fun dest_n_tuple_type 1 T = [T]
eee1a5e0d334 moved some Nitpick code around
blanchet
parents: 35712
diff changeset
   668
  | dest_n_tuple_type n (Type (_, [T1, T2])) =
eee1a5e0d334 moved some Nitpick code around
blanchet
parents: 35712
diff changeset
   669
    T1 :: dest_n_tuple_type (n - 1) T2
eee1a5e0d334 moved some Nitpick code around
blanchet
parents: 35712
diff changeset
   670
  | dest_n_tuple_type _ T =
eee1a5e0d334 moved some Nitpick code around
blanchet
parents: 35712
diff changeset
   671
    raise TYPE ("Nitpick_Model.dest_n_tuple_type", [T], [])
eee1a5e0d334 moved some Nitpick code around
blanchet
parents: 35712
diff changeset
   672
41791
01d722707a36 always unfold constant defitions marked with "nitpick_def" -- to prevent unfolding, there's already "nitpick_simp"
blanchet
parents: 41472
diff changeset
   673
fun const_format thy def_tables (x as (s, T)) =
35718
eee1a5e0d334 moved some Nitpick code around
blanchet
parents: 35712
diff changeset
   674
  if String.isPrefix unrolled_prefix s then
41791
01d722707a36 always unfold constant defitions marked with "nitpick_def" -- to prevent unfolding, there's already "nitpick_simp"
blanchet
parents: 41472
diff changeset
   675
    const_format thy def_tables (original_name s, range_type T)
35718
eee1a5e0d334 moved some Nitpick code around
blanchet
parents: 35712
diff changeset
   676
  else if String.isPrefix skolem_prefix s then
eee1a5e0d334 moved some Nitpick code around
blanchet
parents: 35712
diff changeset
   677
    let
eee1a5e0d334 moved some Nitpick code around
blanchet
parents: 35712
diff changeset
   678
      val k = unprefix skolem_prefix s
eee1a5e0d334 moved some Nitpick code around
blanchet
parents: 35712
diff changeset
   679
              |> strip_first_name_sep |> fst |> space_explode "@"
eee1a5e0d334 moved some Nitpick code around
blanchet
parents: 35712
diff changeset
   680
              |> hd |> Int.fromString |> the
eee1a5e0d334 moved some Nitpick code around
blanchet
parents: 35712
diff changeset
   681
    in [k, num_binder_types T - k] end
eee1a5e0d334 moved some Nitpick code around
blanchet
parents: 35712
diff changeset
   682
  else if original_name s <> s then
eee1a5e0d334 moved some Nitpick code around
blanchet
parents: 35712
diff changeset
   683
    [num_binder_types T]
41791
01d722707a36 always unfold constant defitions marked with "nitpick_def" -- to prevent unfolding, there's already "nitpick_simp"
blanchet
parents: 41472
diff changeset
   684
  else case def_of_const thy def_tables x of
35718
eee1a5e0d334 moved some Nitpick code around
blanchet
parents: 35712
diff changeset
   685
    SOME t' => if fixpoint_kind_of_rhs t' <> NoFp then
eee1a5e0d334 moved some Nitpick code around
blanchet
parents: 35712
diff changeset
   686
                 let val k = length (strip_abs_vars t') in
eee1a5e0d334 moved some Nitpick code around
blanchet
parents: 35712
diff changeset
   687
                   [k, num_binder_types T - k]
eee1a5e0d334 moved some Nitpick code around
blanchet
parents: 35712
diff changeset
   688
                 end
eee1a5e0d334 moved some Nitpick code around
blanchet
parents: 35712
diff changeset
   689
               else
eee1a5e0d334 moved some Nitpick code around
blanchet
parents: 35712
diff changeset
   690
                 [num_binder_types T]
eee1a5e0d334 moved some Nitpick code around
blanchet
parents: 35712
diff changeset
   691
  | NONE => [num_binder_types T]
eee1a5e0d334 moved some Nitpick code around
blanchet
parents: 35712
diff changeset
   692
fun intersect_formats _ [] = []
eee1a5e0d334 moved some Nitpick code around
blanchet
parents: 35712
diff changeset
   693
  | intersect_formats [] _ = []
eee1a5e0d334 moved some Nitpick code around
blanchet
parents: 35712
diff changeset
   694
  | intersect_formats ks1 ks2 =
eee1a5e0d334 moved some Nitpick code around
blanchet
parents: 35712
diff changeset
   695
    let val ((ks1', k1), (ks2', k2)) = pairself split_last (ks1, ks2) in
eee1a5e0d334 moved some Nitpick code around
blanchet
parents: 35712
diff changeset
   696
      intersect_formats (ks1' @ (if k1 > k2 then [k1 - k2] else []))
eee1a5e0d334 moved some Nitpick code around
blanchet
parents: 35712
diff changeset
   697
                        (ks2' @ (if k2 > k1 then [k2 - k1] else [])) @
eee1a5e0d334 moved some Nitpick code around
blanchet
parents: 35712
diff changeset
   698
      [Int.min (k1, k2)]
eee1a5e0d334 moved some Nitpick code around
blanchet
parents: 35712
diff changeset
   699
    end
eee1a5e0d334 moved some Nitpick code around
blanchet
parents: 35712
diff changeset
   700
41791
01d722707a36 always unfold constant defitions marked with "nitpick_def" -- to prevent unfolding, there's already "nitpick_simp"
blanchet
parents: 41472
diff changeset
   701
fun lookup_format thy def_tables formats t =
35718
eee1a5e0d334 moved some Nitpick code around
blanchet
parents: 35712
diff changeset
   702
  case AList.lookup (fn (SOME x, SOME y) =>
eee1a5e0d334 moved some Nitpick code around
blanchet
parents: 35712
diff changeset
   703
                        (term_match thy) (x, y) | _ => false)
eee1a5e0d334 moved some Nitpick code around
blanchet
parents: 35712
diff changeset
   704
                    formats (SOME t) of
eee1a5e0d334 moved some Nitpick code around
blanchet
parents: 35712
diff changeset
   705
    SOME format => format
eee1a5e0d334 moved some Nitpick code around
blanchet
parents: 35712
diff changeset
   706
  | NONE => let val format = the (AList.lookup (op =) formats NONE) in
eee1a5e0d334 moved some Nitpick code around
blanchet
parents: 35712
diff changeset
   707
              case t of
eee1a5e0d334 moved some Nitpick code around
blanchet
parents: 35712
diff changeset
   708
                Const x => intersect_formats format
41791
01d722707a36 always unfold constant defitions marked with "nitpick_def" -- to prevent unfolding, there's already "nitpick_simp"
blanchet
parents: 41472
diff changeset
   709
                                             (const_format thy def_tables x)
35718
eee1a5e0d334 moved some Nitpick code around
blanchet
parents: 35712
diff changeset
   710
              | _ => format
eee1a5e0d334 moved some Nitpick code around
blanchet
parents: 35712
diff changeset
   711
            end
eee1a5e0d334 moved some Nitpick code around
blanchet
parents: 35712
diff changeset
   712
eee1a5e0d334 moved some Nitpick code around
blanchet
parents: 35712
diff changeset
   713
fun format_type default_format format T =
eee1a5e0d334 moved some Nitpick code around
blanchet
parents: 35712
diff changeset
   714
  let
eee1a5e0d334 moved some Nitpick code around
blanchet
parents: 35712
diff changeset
   715
    val T = uniterize_unarize_unbox_etc_type T
eee1a5e0d334 moved some Nitpick code around
blanchet
parents: 35712
diff changeset
   716
    val format = format |> filter (curry (op <) 0)
eee1a5e0d334 moved some Nitpick code around
blanchet
parents: 35712
diff changeset
   717
  in
eee1a5e0d334 moved some Nitpick code around
blanchet
parents: 35712
diff changeset
   718
    if forall (curry (op =) 1) format then
eee1a5e0d334 moved some Nitpick code around
blanchet
parents: 35712
diff changeset
   719
      T
eee1a5e0d334 moved some Nitpick code around
blanchet
parents: 35712
diff changeset
   720
    else
eee1a5e0d334 moved some Nitpick code around
blanchet
parents: 35712
diff changeset
   721
      let
eee1a5e0d334 moved some Nitpick code around
blanchet
parents: 35712
diff changeset
   722
        val (binder_Ts, body_T) = strip_type T
eee1a5e0d334 moved some Nitpick code around
blanchet
parents: 35712
diff changeset
   723
        val batched =
eee1a5e0d334 moved some Nitpick code around
blanchet
parents: 35712
diff changeset
   724
          binder_Ts
eee1a5e0d334 moved some Nitpick code around
blanchet
parents: 35712
diff changeset
   725
          |> map (format_type default_format default_format)
eee1a5e0d334 moved some Nitpick code around
blanchet
parents: 35712
diff changeset
   726
          |> rev |> chunk_list_unevenly (rev format)
eee1a5e0d334 moved some Nitpick code around
blanchet
parents: 35712
diff changeset
   727
          |> map (HOLogic.mk_tupleT o rev)
eee1a5e0d334 moved some Nitpick code around
blanchet
parents: 35712
diff changeset
   728
      in List.foldl (op -->) body_T batched end
eee1a5e0d334 moved some Nitpick code around
blanchet
parents: 35712
diff changeset
   729
  end
41791
01d722707a36 always unfold constant defitions marked with "nitpick_def" -- to prevent unfolding, there's already "nitpick_simp"
blanchet
parents: 41472
diff changeset
   730
fun format_term_type thy def_tables formats t =
35718
eee1a5e0d334 moved some Nitpick code around
blanchet
parents: 35712
diff changeset
   731
  format_type (the (AList.lookup (op =) formats NONE))
41791
01d722707a36 always unfold constant defitions marked with "nitpick_def" -- to prevent unfolding, there's already "nitpick_simp"
blanchet
parents: 41472
diff changeset
   732
              (lookup_format thy def_tables formats t) (fastype_of t)
35718
eee1a5e0d334 moved some Nitpick code around
blanchet
parents: 35712
diff changeset
   733
eee1a5e0d334 moved some Nitpick code around
blanchet
parents: 35712
diff changeset
   734
fun repair_special_format js m format =
eee1a5e0d334 moved some Nitpick code around
blanchet
parents: 35712
diff changeset
   735
  m - 1 downto 0 |> chunk_list_unevenly (rev format)
eee1a5e0d334 moved some Nitpick code around
blanchet
parents: 35712
diff changeset
   736
                 |> map (rev o filter_out (member (op =) js))
eee1a5e0d334 moved some Nitpick code around
blanchet
parents: 35712
diff changeset
   737
                 |> filter_out null |> map length |> rev
eee1a5e0d334 moved some Nitpick code around
blanchet
parents: 35712
diff changeset
   738
41791
01d722707a36 always unfold constant defitions marked with "nitpick_def" -- to prevent unfolding, there's already "nitpick_simp"
blanchet
parents: 41472
diff changeset
   739
fun user_friendly_const ({thy, evals, def_tables, skolems, special_funs, ...}
35718
eee1a5e0d334 moved some Nitpick code around
blanchet
parents: 35712
diff changeset
   740
                         : hol_context) (base_name, step_name) formats =
eee1a5e0d334 moved some Nitpick code around
blanchet
parents: 35712
diff changeset
   741
  let
eee1a5e0d334 moved some Nitpick code around
blanchet
parents: 35712
diff changeset
   742
    val default_format = the (AList.lookup (op =) formats NONE)
eee1a5e0d334 moved some Nitpick code around
blanchet
parents: 35712
diff changeset
   743
    fun do_const (x as (s, T)) =
eee1a5e0d334 moved some Nitpick code around
blanchet
parents: 35712
diff changeset
   744
      (if String.isPrefix special_prefix s then
eee1a5e0d334 moved some Nitpick code around
blanchet
parents: 35712
diff changeset
   745
         let
eee1a5e0d334 moved some Nitpick code around
blanchet
parents: 35712
diff changeset
   746
           val do_term = map_aterms (fn Const x => fst (do_const x) | t' => t')
eee1a5e0d334 moved some Nitpick code around
blanchet
parents: 35712
diff changeset
   747
           val (x' as (_, T'), js, ts) =
eee1a5e0d334 moved some Nitpick code around
blanchet
parents: 35712
diff changeset
   748
             AList.find (op =) (!special_funs) (s, unarize_unbox_etc_type T)
eee1a5e0d334 moved some Nitpick code around
blanchet
parents: 35712
diff changeset
   749
             |> the_single
eee1a5e0d334 moved some Nitpick code around
blanchet
parents: 35712
diff changeset
   750
           val max_j = List.last js
eee1a5e0d334 moved some Nitpick code around
blanchet
parents: 35712
diff changeset
   751
           val Ts = List.take (binder_types T', max_j + 1)
eee1a5e0d334 moved some Nitpick code around
blanchet
parents: 35712
diff changeset
   752
           val missing_js = filter_out (member (op =) js) (0 upto max_j)
eee1a5e0d334 moved some Nitpick code around
blanchet
parents: 35712
diff changeset
   753
           val missing_Ts = filter_indices missing_js Ts
eee1a5e0d334 moved some Nitpick code around
blanchet
parents: 35712
diff changeset
   754
           fun nth_missing_var n =
eee1a5e0d334 moved some Nitpick code around
blanchet
parents: 35712
diff changeset
   755
             ((arg_var_prefix ^ nat_subscript (n + 1), 0), nth missing_Ts n)
eee1a5e0d334 moved some Nitpick code around
blanchet
parents: 35712
diff changeset
   756
           val missing_vars = map nth_missing_var (0 upto length missing_js - 1)
eee1a5e0d334 moved some Nitpick code around
blanchet
parents: 35712
diff changeset
   757
           val vars = special_bounds ts @ missing_vars
eee1a5e0d334 moved some Nitpick code around
blanchet
parents: 35712
diff changeset
   758
           val ts' =
eee1a5e0d334 moved some Nitpick code around
blanchet
parents: 35712
diff changeset
   759
             map (fn j =>
eee1a5e0d334 moved some Nitpick code around
blanchet
parents: 35712
diff changeset
   760
                     case AList.lookup (op =) (js ~~ ts) j of
eee1a5e0d334 moved some Nitpick code around
blanchet
parents: 35712
diff changeset
   761
                       SOME t => do_term t
eee1a5e0d334 moved some Nitpick code around
blanchet
parents: 35712
diff changeset
   762
                     | NONE =>
eee1a5e0d334 moved some Nitpick code around
blanchet
parents: 35712
diff changeset
   763
                       Var (nth missing_vars
eee1a5e0d334 moved some Nitpick code around
blanchet
parents: 35712
diff changeset
   764
                                (find_index (curry (op =) j) missing_js)))
eee1a5e0d334 moved some Nitpick code around
blanchet
parents: 35712
diff changeset
   765
                 (0 upto max_j)
eee1a5e0d334 moved some Nitpick code around
blanchet
parents: 35712
diff changeset
   766
           val t = do_const x' |> fst
eee1a5e0d334 moved some Nitpick code around
blanchet
parents: 35712
diff changeset
   767
           val format =
eee1a5e0d334 moved some Nitpick code around
blanchet
parents: 35712
diff changeset
   768
             case AList.lookup (fn (SOME t1, SOME t2) => term_match thy (t1, t2)
eee1a5e0d334 moved some Nitpick code around
blanchet
parents: 35712
diff changeset
   769
                                 | _ => false) formats (SOME t) of
eee1a5e0d334 moved some Nitpick code around
blanchet
parents: 35712
diff changeset
   770
               SOME format =>
eee1a5e0d334 moved some Nitpick code around
blanchet
parents: 35712
diff changeset
   771
               repair_special_format js (num_binder_types T') format
eee1a5e0d334 moved some Nitpick code around
blanchet
parents: 35712
diff changeset
   772
             | NONE =>
41791
01d722707a36 always unfold constant defitions marked with "nitpick_def" -- to prevent unfolding, there's already "nitpick_simp"
blanchet
parents: 41472
diff changeset
   773
               const_format thy def_tables x'
35718
eee1a5e0d334 moved some Nitpick code around
blanchet
parents: 35712
diff changeset
   774
               |> repair_special_format js (num_binder_types T')
eee1a5e0d334 moved some Nitpick code around
blanchet
parents: 35712
diff changeset
   775
               |> intersect_formats default_format
eee1a5e0d334 moved some Nitpick code around
blanchet
parents: 35712
diff changeset
   776
         in
eee1a5e0d334 moved some Nitpick code around
blanchet
parents: 35712
diff changeset
   777
           (list_comb (t, ts') |> fold_rev abs_var vars,
eee1a5e0d334 moved some Nitpick code around
blanchet
parents: 35712
diff changeset
   778
            format_type default_format format T)
eee1a5e0d334 moved some Nitpick code around
blanchet
parents: 35712
diff changeset
   779
         end
eee1a5e0d334 moved some Nitpick code around
blanchet
parents: 35712
diff changeset
   780
       else if String.isPrefix uncurry_prefix s then
eee1a5e0d334 moved some Nitpick code around
blanchet
parents: 35712
diff changeset
   781
         let
eee1a5e0d334 moved some Nitpick code around
blanchet
parents: 35712
diff changeset
   782
           val (ss, s') = unprefix uncurry_prefix s
eee1a5e0d334 moved some Nitpick code around
blanchet
parents: 35712
diff changeset
   783
                          |> strip_first_name_sep |>> space_explode "@"
eee1a5e0d334 moved some Nitpick code around
blanchet
parents: 35712
diff changeset
   784
         in
eee1a5e0d334 moved some Nitpick code around
blanchet
parents: 35712
diff changeset
   785
           if String.isPrefix step_prefix s' then
eee1a5e0d334 moved some Nitpick code around
blanchet
parents: 35712
diff changeset
   786
             do_const (s', T)
eee1a5e0d334 moved some Nitpick code around
blanchet
parents: 35712
diff changeset
   787
           else
eee1a5e0d334 moved some Nitpick code around
blanchet
parents: 35712
diff changeset
   788
             let
eee1a5e0d334 moved some Nitpick code around
blanchet
parents: 35712
diff changeset
   789
               val k = the (Int.fromString (hd ss))
eee1a5e0d334 moved some Nitpick code around
blanchet
parents: 35712
diff changeset
   790
               val j = the (Int.fromString (List.last ss))
eee1a5e0d334 moved some Nitpick code around
blanchet
parents: 35712
diff changeset
   791
               val (before_Ts, (tuple_T, rest_T)) =
eee1a5e0d334 moved some Nitpick code around
blanchet
parents: 35712
diff changeset
   792
                 strip_n_binders j T ||> (strip_n_binders 1 #>> hd)
eee1a5e0d334 moved some Nitpick code around
blanchet
parents: 35712
diff changeset
   793
               val T' = before_Ts ---> dest_n_tuple_type k tuple_T ---> rest_T
eee1a5e0d334 moved some Nitpick code around
blanchet
parents: 35712
diff changeset
   794
             in do_const (s', T') end
eee1a5e0d334 moved some Nitpick code around
blanchet
parents: 35712
diff changeset
   795
         end
eee1a5e0d334 moved some Nitpick code around
blanchet
parents: 35712
diff changeset
   796
       else if String.isPrefix unrolled_prefix s then
eee1a5e0d334 moved some Nitpick code around
blanchet
parents: 35712
diff changeset
   797
         let val t = Const (original_name s, range_type T) in
eee1a5e0d334 moved some Nitpick code around
blanchet
parents: 35712
diff changeset
   798
           (lambda (Free (iter_var_prefix, nat_T)) t,
eee1a5e0d334 moved some Nitpick code around
blanchet
parents: 35712
diff changeset
   799
            format_type default_format
41791
01d722707a36 always unfold constant defitions marked with "nitpick_def" -- to prevent unfolding, there's already "nitpick_simp"
blanchet
parents: 41472
diff changeset
   800
                        (lookup_format thy def_tables formats t) T)
35718
eee1a5e0d334 moved some Nitpick code around
blanchet
parents: 35712
diff changeset
   801
         end
eee1a5e0d334 moved some Nitpick code around
blanchet
parents: 35712
diff changeset
   802
       else if String.isPrefix base_prefix s then
eee1a5e0d334 moved some Nitpick code around
blanchet
parents: 35712
diff changeset
   803
         (Const (base_name, T --> T) $ Const (unprefix base_prefix s, T),
eee1a5e0d334 moved some Nitpick code around
blanchet
parents: 35712
diff changeset
   804
          format_type default_format default_format T)
eee1a5e0d334 moved some Nitpick code around
blanchet
parents: 35712
diff changeset
   805
       else if String.isPrefix step_prefix s then
eee1a5e0d334 moved some Nitpick code around
blanchet
parents: 35712
diff changeset
   806
         (Const (step_name, T --> T) $ Const (unprefix step_prefix s, T),
eee1a5e0d334 moved some Nitpick code around
blanchet
parents: 35712
diff changeset
   807
          format_type default_format default_format T)
eee1a5e0d334 moved some Nitpick code around
blanchet
parents: 35712
diff changeset
   808
       else if String.isPrefix quot_normal_prefix s then
38207
792b78e355e7 added support for "Abs_" and "Rep_" functions on quotient types
blanchet
parents: 38190
diff changeset
   809
         let val t = Const (nitpick_prefix ^ "quotient normal form", T) in
41791
01d722707a36 always unfold constant defitions marked with "nitpick_def" -- to prevent unfolding, there's already "nitpick_simp"
blanchet
parents: 41472
diff changeset
   810
           (t, format_term_type thy def_tables formats t)
35718
eee1a5e0d334 moved some Nitpick code around
blanchet
parents: 35712
diff changeset
   811
         end
eee1a5e0d334 moved some Nitpick code around
blanchet
parents: 35712
diff changeset
   812
       else if String.isPrefix skolem_prefix s then
eee1a5e0d334 moved some Nitpick code around
blanchet
parents: 35712
diff changeset
   813
         let
eee1a5e0d334 moved some Nitpick code around
blanchet
parents: 35712
diff changeset
   814
           val ss = the (AList.lookup (op =) (!skolems) s)
eee1a5e0d334 moved some Nitpick code around
blanchet
parents: 35712
diff changeset
   815
           val (Ts, Ts') = chop (length ss) (binder_types T)
eee1a5e0d334 moved some Nitpick code around
blanchet
parents: 35712
diff changeset
   816
           val frees = map Free (ss ~~ Ts)
eee1a5e0d334 moved some Nitpick code around
blanchet
parents: 35712
diff changeset
   817
           val s' = original_name s
eee1a5e0d334 moved some Nitpick code around
blanchet
parents: 35712
diff changeset
   818
         in
eee1a5e0d334 moved some Nitpick code around
blanchet
parents: 35712
diff changeset
   819
           (fold lambda frees (Const (s', Ts' ---> T)),
eee1a5e0d334 moved some Nitpick code around
blanchet
parents: 35712
diff changeset
   820
            format_type default_format
41791
01d722707a36 always unfold constant defitions marked with "nitpick_def" -- to prevent unfolding, there's already "nitpick_simp"
blanchet
parents: 41472
diff changeset
   821
                        (lookup_format thy def_tables formats (Const x)) T)
35718
eee1a5e0d334 moved some Nitpick code around
blanchet
parents: 35712
diff changeset
   822
         end
eee1a5e0d334 moved some Nitpick code around
blanchet
parents: 35712
diff changeset
   823
       else if String.isPrefix eval_prefix s then
eee1a5e0d334 moved some Nitpick code around
blanchet
parents: 35712
diff changeset
   824
         let
eee1a5e0d334 moved some Nitpick code around
blanchet
parents: 35712
diff changeset
   825
           val t = nth evals (the (Int.fromString (unprefix eval_prefix s)))
41791
01d722707a36 always unfold constant defitions marked with "nitpick_def" -- to prevent unfolding, there's already "nitpick_simp"
blanchet
parents: 41472
diff changeset
   826
         in (t, format_term_type thy def_tables formats t) end
35718
eee1a5e0d334 moved some Nitpick code around
blanchet
parents: 35712
diff changeset
   827
       else
45479
3387d482e0a9 avoid confusing selector output
blanchet
parents: 42793
diff changeset
   828
         (* The selector case can occur in conjunction with fractional types.
3387d482e0a9 avoid confusing selector output
blanchet
parents: 42793
diff changeset
   829
            It's not pretty. *)
3387d482e0a9 avoid confusing selector output
blanchet
parents: 42793
diff changeset
   830
         let val t = Const (s |> not (is_sel s) ? original_name, T) in
41791
01d722707a36 always unfold constant defitions marked with "nitpick_def" -- to prevent unfolding, there's already "nitpick_simp"
blanchet
parents: 41472
diff changeset
   831
           (t, format_term_type thy def_tables formats t)
35718
eee1a5e0d334 moved some Nitpick code around
blanchet
parents: 35712
diff changeset
   832
         end)
eee1a5e0d334 moved some Nitpick code around
blanchet
parents: 35712
diff changeset
   833
      |>> map_types uniterize_unarize_unbox_etc_type
eee1a5e0d334 moved some Nitpick code around
blanchet
parents: 35712
diff changeset
   834
      |>> shorten_names_in_term |>> Term.map_abs_vars shortest_name
eee1a5e0d334 moved some Nitpick code around
blanchet
parents: 35712
diff changeset
   835
  in do_const end
eee1a5e0d334 moved some Nitpick code around
blanchet
parents: 35712
diff changeset
   836
eee1a5e0d334 moved some Nitpick code around
blanchet
parents: 35712
diff changeset
   837
fun assign_operator_for_const (s, T) =
eee1a5e0d334 moved some Nitpick code around
blanchet
parents: 35712
diff changeset
   838
  if String.isPrefix ubfp_prefix s then
46104
eb85282db54e no abuse of notation
blanchet
parents: 46097
diff changeset
   839
    xsym "\<le>" "<=" ()
35718
eee1a5e0d334 moved some Nitpick code around
blanchet
parents: 35712
diff changeset
   840
  else if String.isPrefix lbfp_prefix s then
46104
eb85282db54e no abuse of notation
blanchet
parents: 46097
diff changeset
   841
    xsym "\<ge>" ">=" ()
35718
eee1a5e0d334 moved some Nitpick code around
blanchet
parents: 35712
diff changeset
   842
  else if original_name s <> s then
eee1a5e0d334 moved some Nitpick code around
blanchet
parents: 35712
diff changeset
   843
    assign_operator_for_const (strip_first_name_sep s |> snd, T)
eee1a5e0d334 moved some Nitpick code around
blanchet
parents: 35712
diff changeset
   844
  else
eee1a5e0d334 moved some Nitpick code around
blanchet
parents: 35712
diff changeset
   845
    "="
eee1a5e0d334 moved some Nitpick code around
blanchet
parents: 35712
diff changeset
   846
eee1a5e0d334 moved some Nitpick code around
blanchet
parents: 35712
diff changeset
   847
(** Model reconstruction **)
eee1a5e0d334 moved some Nitpick code around
blanchet
parents: 35712
diff changeset
   848
33192
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   849
fun unfold_outer_the_binders (t as Const (@{const_name The}, _)
38864
4abe644fcea5 formerly unnamed infix equality now named HOL.eq
haftmann
parents: 38284
diff changeset
   850
                                   $ Abs (s, T, Const (@{const_name HOL.eq}, _)
33192
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   851
                                                $ Bound 0 $ t')) =
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   852
    betapply (Abs (s, T, t'), t) |> unfold_outer_the_binders
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   853
  | unfold_outer_the_binders t = t
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   854
fun bisimilar_values _ 0 _ = true
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   855
  | bisimilar_values coTs max_depth (t1, t2) =
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   856
    let val T = fastype_of t1 in
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   857
      if exists_subtype (member (op =) coTs) T then
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   858
        let
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   859
          val ((head1, args1), (head2, args2)) =
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   860
            pairself (strip_comb o unfold_outer_the_binders) (t1, t2)
34121
5e831d805118 get rid of polymorphic equality in Nitpick's code + a few minor cleanups
blanchet
parents: 33982
diff changeset
   861
          val max_depth = max_depth - (if member (op =) coTs T then 1 else 0)
33192
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   862
        in
34936
c4f04bee79f3 some work on Nitpick's support for quotient types;
blanchet
parents: 34126
diff changeset
   863
          head1 = head2 andalso
c4f04bee79f3 some work on Nitpick's support for quotient types;
blanchet
parents: 34126
diff changeset
   864
          forall (bisimilar_values coTs max_depth) (args1 ~~ args2)
33192
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   865
        end
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   866
      else
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   867
        t1 = t2
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   868
    end
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   869
41993
bd6296de1432 reintroduced "show_skolems" option -- useful when too many Skolems are displayed
blanchet
parents: 41875
diff changeset
   870
fun reconstruct_hol_model {show_datatypes, show_skolems, show_consts}
55888
cac1add157e8 removed nonstandard models from Nitpick
blanchet
parents: 55725
diff changeset
   871
        ({hol_ctxt = {thy, ctxt, max_bisim_depth, boxes, wfs, user_axioms,
38209
3d1d928dce50 added "whack"
blanchet
parents: 38207
diff changeset
   872
                      debug, whacks, binary_ints, destroy_constrs, specialize,
41875
e3cd0dce9b1a renamed "preconstr" option "need"
blanchet
parents: 41871
diff changeset
   873
                      star_linear_preds, total_consts, needs, tac_timeout,
42415
10accf397ab6 use "Spec_Rules" for finding axioms -- more reliable and cleaner
blanchet
parents: 42375
diff changeset
   874
                      evals, case_names, def_tables, nondef_table, nondefs,
41803
ef13e3b7cbaf more work on "fix_datatype_vals" optimization (renamed "preconstruct")
blanchet
parents: 41791
diff changeset
   875
                      simp_table, psimp_table, choice_spec_table, intro_table,
36388
30f7ce76712d removed Nitpick's "uncurry" option
blanchet
parents: 36385
diff changeset
   876
                      ground_thm_table, ersatz_table, skolems, special_funs,
41803
ef13e3b7cbaf more work on "fix_datatype_vals" optimization (renamed "preconstruct")
blanchet
parents: 41791
diff changeset
   877
                      unrolled_preds, wf_cache, constr_cache}, binarize,
ef13e3b7cbaf more work on "fix_datatype_vals" optimization (renamed "preconstruct")
blanchet
parents: 41791
diff changeset
   878
                      card_assigns, bits, bisim_depth, datatypes, ofs} : scope)
38170
d74b66ec02ce handle free variables even more gracefully;
blanchet
parents: 38126
diff changeset
   879
        formats atomss real_frees pseudo_frees free_names sel_names nonsel_names
d74b66ec02ce handle free variables even more gracefully;
blanchet
parents: 38126
diff changeset
   880
        rel_table bounds =
33192
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   881
  let
35180
c57dba973391 more work on Nitpick's support for nonstandard models + fix in model reconstruction
blanchet
parents: 35179
diff changeset
   882
    val pool = Unsynchronized.ref []
35280
54ab4921f826 fixed a few bugs in Nitpick and removed unreferenced variables
blanchet
parents: 35220
diff changeset
   883
    val (wacky_names as (_, base_step_names), ctxt) =
33192
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   884
      add_wacky_syntax ctxt
35070
96136eb6218f split "nitpick_hol.ML" into two files to make it more manageable;
blanchet
parents: 34998
diff changeset
   885
    val hol_ctxt =
33192
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   886
      {thy = thy, ctxt = ctxt, max_bisim_depth = max_bisim_depth, boxes = boxes,
55888
cac1add157e8 removed nonstandard models from Nitpick
blanchet
parents: 55725
diff changeset
   887
       wfs = wfs, user_axioms = user_axioms, debug = debug, whacks = whacks,
cac1add157e8 removed nonstandard models from Nitpick
blanchet
parents: 55725
diff changeset
   888
       binary_ints = binary_ints, destroy_constrs = destroy_constrs,
cac1add157e8 removed nonstandard models from Nitpick
blanchet
parents: 55725
diff changeset
   889
       specialize = specialize, star_linear_preds = star_linear_preds,
cac1add157e8 removed nonstandard models from Nitpick
blanchet
parents: 55725
diff changeset
   890
       total_consts = total_consts, needs = needs, tac_timeout = tac_timeout,
cac1add157e8 removed nonstandard models from Nitpick
blanchet
parents: 55725
diff changeset
   891
       evals = evals, case_names = case_names, def_tables = def_tables,
42415
10accf397ab6 use "Spec_Rules" for finding axioms -- more reliable and cleaner
blanchet
parents: 42375
diff changeset
   892
       nondef_table = nondef_table, nondefs = nondefs, simp_table = simp_table,
10accf397ab6 use "Spec_Rules" for finding axioms -- more reliable and cleaner
blanchet
parents: 42375
diff changeset
   893
       psimp_table = psimp_table, choice_spec_table = choice_spec_table,
10accf397ab6 use "Spec_Rules" for finding axioms -- more reliable and cleaner
blanchet
parents: 42375
diff changeset
   894
       intro_table = intro_table, ground_thm_table = ground_thm_table,
10accf397ab6 use "Spec_Rules" for finding axioms -- more reliable and cleaner
blanchet
parents: 42375
diff changeset
   895
       ersatz_table = ersatz_table, skolems = skolems,
10accf397ab6 use "Spec_Rules" for finding axioms -- more reliable and cleaner
blanchet
parents: 42375
diff changeset
   896
       special_funs = special_funs, unrolled_preds = unrolled_preds,
10accf397ab6 use "Spec_Rules" for finding axioms -- more reliable and cleaner
blanchet
parents: 42375
diff changeset
   897
       wf_cache = wf_cache, constr_cache = constr_cache}
36388
30f7ce76712d removed Nitpick's "uncurry" option
blanchet
parents: 36385
diff changeset
   898
    val scope =
30f7ce76712d removed Nitpick's "uncurry" option
blanchet
parents: 36385
diff changeset
   899
      {hol_ctxt = hol_ctxt, binarize = binarize, card_assigns = card_assigns,
30f7ce76712d removed Nitpick's "uncurry" option
blanchet
parents: 36385
diff changeset
   900
       bits = bits, bisim_depth = bisim_depth, datatypes = datatypes, ofs = ofs}
37262
c0fe8fa35771 don't show spurious "..." in Nitpick's output for free variables of set type (e.g., P (op +) example from Manual_Nits.thy); undoes parts of 38ba15040455, which was too aggressive
blanchet
parents: 37261
diff changeset
   901
    fun term_for_rep maybe_opt unfold =
c0fe8fa35771 don't show spurious "..." in Nitpick's output for free variables of set type (e.g., P (op +) example from Manual_Nits.thy); undoes parts of 38ba15040455, which was too aggressive
blanchet
parents: 37261
diff changeset
   902
      reconstruct_term maybe_opt unfold pool wacky_names scope atomss
c0fe8fa35771 don't show spurious "..." in Nitpick's output for free variables of set type (e.g., P (op +) example from Manual_Nits.thy); undoes parts of 38ba15040455, which was too aggressive
blanchet
parents: 37261
diff changeset
   903
                       sel_names rel_table bounds
35712
77aa29bf14ee added a mechanism to Nitpick to support custom rendering of terms, and used it for multisets
blanchet
parents: 35711
diff changeset
   904
    val all_values =
37260
dde817e6dfb1 added "atoms" option to Nitpick (request from Karlsruhe) + wrap Refute. functions to "nitpick_util.ML"
blanchet
parents: 37256
diff changeset
   905
      all_values_of_type pool wacky_names scope atomss sel_names rel_table
dde817e6dfb1 added "atoms" option to Nitpick (request from Karlsruhe) + wrap Refute. functions to "nitpick_util.ML"
blanchet
parents: 37256
diff changeset
   906
                         bounds
38126
8031d099379a added manual symmetry breaking for datatypes
blanchet
parents: 37678
diff changeset
   907
    fun is_codatatype_wellformed (cos : datatype_spec list)
8031d099379a added manual symmetry breaking for datatypes
blanchet
parents: 37678
diff changeset
   908
                                 ({typ, card, ...} : datatype_spec) =
33192
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   909
      let
35712
77aa29bf14ee added a mechanism to Nitpick to support custom rendering of terms, and used it for multisets
blanchet
parents: 35711
diff changeset
   910
        val ts = all_values card typ
33192
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   911
        val max_depth = Integer.sum (map #card cos)
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   912
      in
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   913
        forall (not o bisimilar_values (map #typ cos) max_depth)
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   914
               (all_distinct_unordered_pairs_of ts)
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   915
      end
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   916
    fun pretty_for_assign name =
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   917
      let
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   918
        val (oper, (t1, T'), T) =
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   919
          case name of
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   920
            FreeName (s, T, _) =>
35665
ff2bf50505ab added "finitize" option to Nitpick + remove dependency on "Coinductive_List"
blanchet
parents: 35625
diff changeset
   921
            let val t = Free (s, uniterize_unarize_unbox_etc_type T) in
41791
01d722707a36 always unfold constant defitions marked with "nitpick_def" -- to prevent unfolding, there's already "nitpick_simp"
blanchet
parents: 41472
diff changeset
   922
              ("=", (t, format_term_type thy def_tables formats t), T)
33192
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   923
            end
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   924
          | ConstName (s, T, _) =>
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   925
            (assign_operator_for_const (s, T),
35280
54ab4921f826 fixed a few bugs in Nitpick and removed unreferenced variables
blanchet
parents: 35220
diff changeset
   926
             user_friendly_const hol_ctxt base_step_names formats (s, T), T)
33232
f93390060bbe internal renaming in Nitpick and fixed Kodkodi invokation on Linux;
blanchet
parents: 33202
diff changeset
   927
          | _ => raise NUT ("Nitpick_Model.reconstruct_hol_model.\
33192
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   928
                            \pretty_for_assign", [name])
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   929
        val t2 = if rep_of name = Any then
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   930
                   Const (@{const_name undefined}, T')
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   931
                 else
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   932
                   tuple_list_for_name rel_table bounds name
37262
c0fe8fa35771 don't show spurious "..." in Nitpick's output for free variables of set type (e.g., P (op +) example from Manual_Nits.thy); undoes parts of 38ba15040455, which was too aggressive
blanchet
parents: 37261
diff changeset
   933
                   |> term_for_rep (not (is_fully_representable_set name)) false
c0fe8fa35771 don't show spurious "..." in Nitpick's output for free variables of set type (e.g., P (op +) example from Manual_Nits.thy); undoes parts of 38ba15040455, which was too aggressive
blanchet
parents: 37261
diff changeset
   934
                                   T T' (rep_of name)
33192
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   935
      in
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   936
        Pretty.block (Pretty.breaks
52174
7fd0b5cfbb79 get rid of "show_all_types" in Nitpick
blanchet
parents: 48323
diff changeset
   937
            [Syntax.pretty_term ctxt t1, Pretty.str oper,
7fd0b5cfbb79 get rid of "show_all_types" in Nitpick
blanchet
parents: 48323
diff changeset
   938
             Syntax.pretty_term ctxt t2])
33192
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   939
      end
38126
8031d099379a added manual symmetry breaking for datatypes
blanchet
parents: 37678
diff changeset
   940
    fun pretty_for_datatype ({typ, card, complete, ...} : datatype_spec) =
33192
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   941
      Pretty.block (Pretty.breaks
38189
blanchet
parents: 38170
diff changeset
   942
          (pretty_for_type ctxt typ ::
35665
ff2bf50505ab added "finitize" option to Nitpick + remove dependency on "Coinductive_List"
blanchet
parents: 35625
diff changeset
   943
           (case typ of
41052
3db267a01c1d remove the "fin_fun" optimization in Nitpick -- it was always a hack and didn't help much
blanchet
parents: 41039
diff changeset
   944
              Type (@{type_name fun_box}, _) => [Pretty.str "[boxed]"]
35665
ff2bf50505ab added "finitize" option to Nitpick + remove dependency on "Coinductive_List"
blanchet
parents: 35625
diff changeset
   945
            | Type (@{type_name pair_box}, _) => [Pretty.str "[boxed]"]
ff2bf50505ab added "finitize" option to Nitpick + remove dependency on "Coinductive_List"
blanchet
parents: 35625
diff changeset
   946
            | _ => []) @
ff2bf50505ab added "finitize" option to Nitpick + remove dependency on "Coinductive_List"
blanchet
parents: 35625
diff changeset
   947
           [Pretty.str "=",
ff2bf50505ab added "finitize" option to Nitpick + remove dependency on "Coinductive_List"
blanchet
parents: 35625
diff changeset
   948
            Pretty.enum "," "{" "}"
35712
77aa29bf14ee added a mechanism to Nitpick to support custom rendering of terms, and used it for multisets
blanchet
parents: 35711
diff changeset
   949
                (map (Syntax.pretty_term ctxt) (all_values card typ) @
35665
ff2bf50505ab added "finitize" option to Nitpick + remove dependency on "Coinductive_List"
blanchet
parents: 35625
diff changeset
   950
                 (if fun_from_pair complete false then []
37261
8a89fd40ed0b honor xsymbols in Nitpick
blanchet
parents: 37260
diff changeset
   951
                  else [Pretty.str (unrep ())]))]))
33192
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   952
    fun integer_datatype T =
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   953
      [{typ = T, card = card_of_type card_assigns T, co = false,
55888
cac1add157e8 removed nonstandard models from Nitpick
blanchet
parents: 55725
diff changeset
   954
        self_rec = true, complete = (false, false), concrete = (true, true),
cac1add157e8 removed nonstandard models from Nitpick
blanchet
parents: 55725
diff changeset
   955
        deep = true, constrs = []}]
33232
f93390060bbe internal renaming in Nitpick and fixed Kodkodi invokation on Linux;
blanchet
parents: 33202
diff changeset
   956
      handle TYPE ("Nitpick_HOL.card_of_type", _, _) => []
33192
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   957
    val (codatatypes, datatypes) =
34982
7b8c366e34a2 added support for nonstandard models to Nitpick (based on an idea by Koen Claessen) and did other fixes to Nitpick
blanchet
parents: 34974
diff changeset
   958
      datatypes |> filter #deep |> List.partition #co
55888
cac1add157e8 removed nonstandard models from Nitpick
blanchet
parents: 55725
diff changeset
   959
                ||> append (integer_datatype nat_T @ integer_datatype int_T)
33192
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   960
    val block_of_datatypes =
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   961
      if show_datatypes andalso not (null datatypes) then
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   962
        [Pretty.big_list ("Datatype" ^ plural_s_for_list datatypes ^ ":")
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   963
                         (map pretty_for_datatype datatypes)]
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   964
      else
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   965
        []
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   966
    val block_of_codatatypes =
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   967
      if show_datatypes andalso not (null codatatypes) then
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   968
        [Pretty.big_list ("Codatatype" ^ plural_s_for_list codatatypes ^ ":")
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   969
                         (map pretty_for_datatype codatatypes)]
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   970
      else
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   971
        []
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   972
    fun block_of_names show title names =
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   973
      if show andalso not (null names) then
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   974
        Pretty.str (title ^ plural_s_for_list names ^ ":")
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   975
        :: map (Pretty.indent indent_size o pretty_for_assign)
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   976
               (sort_wrt (original_name o nickname_of) names)
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   977
      else
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   978
        []
38170
d74b66ec02ce handle free variables even more gracefully;
blanchet
parents: 38126
diff changeset
   979
    fun free_name_for_term keep_all (x as (s, T)) =
d74b66ec02ce handle free variables even more gracefully;
blanchet
parents: 38126
diff changeset
   980
      case filter (curry (op =) x
d74b66ec02ce handle free variables even more gracefully;
blanchet
parents: 38126
diff changeset
   981
                   o pairf nickname_of (uniterize_unarize_unbox_etc_type
d74b66ec02ce handle free variables even more gracefully;
blanchet
parents: 38126
diff changeset
   982
                                        o type_of)) free_names of
d74b66ec02ce handle free variables even more gracefully;
blanchet
parents: 38126
diff changeset
   983
        [name] => SOME name
d74b66ec02ce handle free variables even more gracefully;
blanchet
parents: 38126
diff changeset
   984
      | [] => if keep_all then SOME (FreeName (s, T, Any)) else NONE
d74b66ec02ce handle free variables even more gracefully;
blanchet
parents: 38126
diff changeset
   985
      | _ => raise TERM ("Nitpick_Model.reconstruct_hol_model.\
d74b66ec02ce handle free variables even more gracefully;
blanchet
parents: 38126
diff changeset
   986
                         \free_name_for_term", [Const x])
33192
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   987
    val (skolem_names, nonskolem_nonsel_names) =
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   988
      List.partition is_skolem_name nonsel_names
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   989
    val (eval_names, noneval_nonskolem_nonsel_names) =
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   990
      List.partition (String.isPrefix eval_prefix o nickname_of)
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   991
                     nonskolem_nonsel_names
35665
ff2bf50505ab added "finitize" option to Nitpick + remove dependency on "Coinductive_List"
blanchet
parents: 35625
diff changeset
   992
      ||> filter_out (member (op =) [@{const_name bisim},
ff2bf50505ab added "finitize" option to Nitpick + remove dependency on "Coinductive_List"
blanchet
parents: 35625
diff changeset
   993
                                     @{const_name bisim_iterator_max}]
34121
5e831d805118 get rid of polymorphic equality in Nitpick's code + a few minor cleanups
blanchet
parents: 33982
diff changeset
   994
                      o nickname_of)
38170
d74b66ec02ce handle free variables even more gracefully;
blanchet
parents: 38126
diff changeset
   995
      ||> append (map_filter (free_name_for_term false) pseudo_frees)
d74b66ec02ce handle free variables even more gracefully;
blanchet
parents: 38126
diff changeset
   996
    val real_free_names = map_filter (free_name_for_term true) real_frees
d74b66ec02ce handle free variables even more gracefully;
blanchet
parents: 38126
diff changeset
   997
    val chunks = block_of_names true "Free variable" real_free_names @
41993
bd6296de1432 reintroduced "show_skolems" option -- useful when too many Skolems are displayed
blanchet
parents: 41875
diff changeset
   998
                 block_of_names show_skolems "Skolem constant" skolem_names @
33192
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   999
                 block_of_names true "Evaluated term" eval_names @
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  1000
                 block_of_datatypes @ block_of_codatatypes @
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  1001
                 block_of_names show_consts "Constant"
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  1002
                                noneval_nonskolem_nonsel_names
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  1003
  in
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  1004
    (Pretty.chunks (if null chunks then [Pretty.str "Empty assignment"]
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  1005
                    else chunks),
34936
c4f04bee79f3 some work on Nitpick's support for quotient types;
blanchet
parents: 34126
diff changeset
  1006
     bisim_depth >= 0 orelse
c4f04bee79f3 some work on Nitpick's support for quotient types;
blanchet
parents: 34126
diff changeset
  1007
     forall (is_codatatype_wellformed codatatypes) codatatypes)
33192
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  1008
  end
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  1009
37262
c0fe8fa35771 don't show spurious "..." in Nitpick's output for free variables of set type (e.g., P (op +) example from Manual_Nits.thy); undoes parts of 38ba15040455, which was too aggressive
blanchet
parents: 37261
diff changeset
  1010
fun term_for_name pool scope atomss sel_names rel_table bounds name =
c0fe8fa35771 don't show spurious "..." in Nitpick's output for free variables of set type (e.g., P (op +) example from Manual_Nits.thy); undoes parts of 38ba15040455, which was too aggressive
blanchet
parents: 37261
diff changeset
  1011
  let val T = type_of name in
c0fe8fa35771 don't show spurious "..." in Nitpick's output for free variables of set type (e.g., P (op +) example from Manual_Nits.thy); undoes parts of 38ba15040455, which was too aggressive
blanchet
parents: 37261
diff changeset
  1012
    tuple_list_for_name rel_table bounds name
c0fe8fa35771 don't show spurious "..." in Nitpick's output for free variables of set type (e.g., P (op +) example from Manual_Nits.thy); undoes parts of 38ba15040455, which was too aggressive
blanchet
parents: 37261
diff changeset
  1013
    |> reconstruct_term (not (is_fully_representable_set name)) false pool
c0fe8fa35771 don't show spurious "..." in Nitpick's output for free variables of set type (e.g., P (op +) example from Manual_Nits.thy); undoes parts of 38ba15040455, which was too aggressive
blanchet
parents: 37261
diff changeset
  1014
                        (("", ""), ("", "")) scope atomss sel_names rel_table
c0fe8fa35771 don't show spurious "..." in Nitpick's output for free variables of set type (e.g., P (op +) example from Manual_Nits.thy); undoes parts of 38ba15040455, which was too aggressive
blanchet
parents: 37261
diff changeset
  1015
                        bounds T T (rep_of name)
c0fe8fa35771 don't show spurious "..." in Nitpick's output for free variables of set type (e.g., P (op +) example from Manual_Nits.thy); undoes parts of 38ba15040455, which was too aggressive
blanchet
parents: 37261
diff changeset
  1016
  end
c0fe8fa35771 don't show spurious "..." in Nitpick's output for free variables of set type (e.g., P (op +) example from Manual_Nits.thy); undoes parts of 38ba15040455, which was too aggressive
blanchet
parents: 37261
diff changeset
  1017
35280
54ab4921f826 fixed a few bugs in Nitpick and removed unreferenced variables
blanchet
parents: 35220
diff changeset
  1018
fun prove_hol_model (scope as {hol_ctxt = {thy, ctxt, debug, ...},
34998
5e492a862b34 four changes to Nitpick:
blanchet
parents: 34982
diff changeset
  1019
                               card_assigns, ...})
33192
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  1020
                    auto_timeout free_names sel_names rel_table bounds prop =
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  1021
  let
35076
cc19e2aef17e added hotel key card example for Nitpick, and renumber atoms in Nitpick's output for increased readability
blanchet
parents: 35075
diff changeset
  1022
    val pool = Unsynchronized.ref []
37260
dde817e6dfb1 added "atoms" option to Nitpick (request from Karlsruhe) + wrap Refute. functions to "nitpick_util.ML"
blanchet
parents: 37256
diff changeset
  1023
    val atomss = [(NONE, [])]
33192
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  1024
    fun free_type_assm (T, k) =
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  1025
      let
37260
dde817e6dfb1 added "atoms" option to Nitpick (request from Karlsruhe) + wrap Refute. functions to "nitpick_util.ML"
blanchet
parents: 37256
diff changeset
  1026
        fun atom j = nth_atom thy atomss pool true T j
33192
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  1027
        fun equation_for_atom j = HOLogic.eq_const T $ Bound 0 $ atom j
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  1028
        val eqs = map equation_for_atom (index_seq 0 k)
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  1029
        val compreh_assm =
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  1030
          Const (@{const_name All}, (T --> bool_T) --> bool_T)
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  1031
              $ Abs ("x", T, foldl1 HOLogic.mk_disj eqs)
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  1032
        val distinct_assm = distinctness_formula T (map atom (index_seq 0 k))
34998
5e492a862b34 four changes to Nitpick:
blanchet
parents: 34982
diff changeset
  1033
      in s_conj (compreh_assm, distinct_assm) end
33192
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  1034
    fun free_name_assm name =
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  1035
      HOLogic.mk_eq (Free (nickname_of name, type_of name),
37260
dde817e6dfb1 added "atoms" option to Nitpick (request from Karlsruhe) + wrap Refute. functions to "nitpick_util.ML"
blanchet
parents: 37256
diff changeset
  1036
                     term_for_name pool scope atomss sel_names rel_table bounds
dde817e6dfb1 added "atoms" option to Nitpick (request from Karlsruhe) + wrap Refute. functions to "nitpick_util.ML"
blanchet
parents: 37256
diff changeset
  1037
                                   name)
33192
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  1038
    val freeT_assms = map free_type_assm (filter (is_TFree o fst) card_assigns)
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  1039
    val model_assms = map free_name_assm free_names
34998
5e492a862b34 four changes to Nitpick:
blanchet
parents: 34982
diff changeset
  1040
    val assm = foldr1 s_conj (freeT_assms @ model_assms)
33192
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  1041
    fun try_out negate =
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  1042
      let
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  1043
        val concl = (negate ? curry (op $) @{const Not})
35625
9c818cab0dd0 modernized structure Object_Logic;
wenzelm
parents: 35408
diff changeset
  1044
                    (Object_Logic.atomize_term thy prop)
34998
5e492a862b34 four changes to Nitpick:
blanchet
parents: 34982
diff changeset
  1045
        val prop = HOLogic.mk_Trueprop (HOLogic.mk_imp (assm, concl))
33192
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  1046
                   |> map_types (map_type_tfree
34998
5e492a862b34 four changes to Nitpick:
blanchet
parents: 34982
diff changeset
  1047
                                     (fn (s, []) => TFree (s, HOLogic.typeS)
5e492a862b34 four changes to Nitpick:
blanchet
parents: 34982
diff changeset
  1048
                                       | x => TFree x))
46083
efeaa79f021b port part of Nitpick to "set" type constructor
blanchet
parents: 45479
diff changeset
  1049
        val _ =
efeaa79f021b port part of Nitpick to "set" type constructor
blanchet
parents: 45479
diff changeset
  1050
          if debug then
efeaa79f021b port part of Nitpick to "set" type constructor
blanchet
parents: 45479
diff changeset
  1051
            (if negate then "Genuineness" else "Spuriousness") ^ " goal: " ^
efeaa79f021b port part of Nitpick to "set" type constructor
blanchet
parents: 45479
diff changeset
  1052
            Syntax.string_of_term ctxt prop ^ "."
efeaa79f021b port part of Nitpick to "set" type constructor
blanchet
parents: 45479
diff changeset
  1053
            |> Output.urgent_message
efeaa79f021b port part of Nitpick to "set" type constructor
blanchet
parents: 45479
diff changeset
  1054
          else
efeaa79f021b port part of Nitpick to "set" type constructor
blanchet
parents: 45479
diff changeset
  1055
            ()
34998
5e492a862b34 four changes to Nitpick:
blanchet
parents: 34982
diff changeset
  1056
        val goal = prop |> cterm_of thy |> Goal.init
33192
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  1057
      in
42793
88bee9f6eec7 proper Proof.context for classical tactics;
wenzelm
parents: 42415
diff changeset
  1058
        (goal |> SINGLE (DETERM_TIMEOUT auto_timeout (auto_tac ctxt))
33192
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  1059
              |> the |> Goal.finish ctxt; true)
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  1060
        handle THM _ => false
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  1061
             | TimeLimit.TimeOut => false
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  1062
      end
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  1063
  in
33705
947184dc75c9 removed a few global names in Nitpick (styp, nat_less, pairf)
blanchet
parents: 33580
diff changeset
  1064
    if try_out false then SOME true
947184dc75c9 removed a few global names in Nitpick (styp, nat_less, pairf)
blanchet
parents: 33580
diff changeset
  1065
    else if try_out true then SOME false
33192
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  1066
    else NONE
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  1067
  end
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  1068
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  1069
end;