src/HOL/Tools/Nitpick/nitpick_hol.ML
author haftmann
Sun, 23 Feb 2014 10:33:43 +0100
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(*  Title:      HOL/Tools/Nitpick/nitpick_hol.ML
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    Author:     Jasmin Blanchette, TU Muenchen
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    Copyright   2008, 2009, 2010
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Auxiliary HOL-related functions used by Nitpick.
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*)
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signature NITPICK_HOL =
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sig
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  type styp = Nitpick_Util.styp
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  type const_table = term list Symtab.table
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  type special_fun = (styp * int list * term list) * styp
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  type unrolled = styp * styp
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  type wf_cache = (styp * (bool * bool)) list
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  type hol_context =
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    {thy: theory,
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     ctxt: Proof.context,
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     max_bisim_depth: int,
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     boxes: (typ option * bool option) list,
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     stds: (typ option * bool) list,
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     wfs: (styp option * bool option) list,
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     user_axioms: bool option,
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     debug: bool,
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     whacks: term list,
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     binary_ints: bool option,
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     destroy_constrs: bool,
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     specialize: bool,
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     star_linear_preds: bool,
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     total_consts: bool option,
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     needs: term list option,
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     tac_timeout: Time.time,
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     evals: term list,
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     case_names: (string * int) list,
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     def_tables: const_table * const_table,
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     nondef_table: const_table,
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     nondefs: term list,
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     simp_table: const_table Unsynchronized.ref,
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     psimp_table: const_table,
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     choice_spec_table: const_table,
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     intro_table: const_table,
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     ground_thm_table: term list Inttab.table,
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     ersatz_table: (string * string) list,
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     skolems: (string * string list) list Unsynchronized.ref,
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     special_funs: special_fun list Unsynchronized.ref,
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     unrolled_preds: unrolled list Unsynchronized.ref,
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     wf_cache: wf_cache Unsynchronized.ref,
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     constr_cache: (typ * styp list) list Unsynchronized.ref}
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  datatype fixpoint_kind = Lfp | Gfp | NoFp
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  datatype boxability =
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    InConstr | InSel | InExpr | InPair | InFunLHS | InFunRHS1 | InFunRHS2
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  val name_sep : string
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  val numeral_prefix : string
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  val base_prefix : string
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  val step_prefix : string
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  val unrolled_prefix : string
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  val ubfp_prefix : string
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  val lbfp_prefix : string
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  val quot_normal_prefix : string
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  val skolem_prefix : string
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  val special_prefix : string
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  val uncurry_prefix : string
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  val eval_prefix : string
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  val iter_var_prefix : string
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  val strip_first_name_sep : string -> string * string
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  val original_name : string -> string
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  val abs_var : indexname * typ -> term -> term
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  val s_conj : term * term -> term
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  val s_disj : term * term -> term
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  val strip_any_connective : term -> term list * term
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  val conjuncts_of : term -> term list
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  val disjuncts_of : term -> term list
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  val unarize_unbox_etc_type : typ -> typ
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  val uniterize_unarize_unbox_etc_type : typ -> typ
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  val string_for_type : Proof.context -> typ -> string
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  val pretty_for_type : Proof.context -> typ -> Pretty.T
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  val prefix_name : string -> string -> string
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  val shortest_name : string -> string
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  val short_name : string -> string
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  val shorten_names_in_term : term -> term
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  val strict_type_match : theory -> typ * typ -> bool
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  val type_match : theory -> typ * typ -> bool
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  val const_match : theory -> styp * styp -> bool
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  val term_match : theory -> term * term -> bool
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  val frac_from_term_pair : typ -> term -> term -> term
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  val is_TFree : typ -> bool
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  val is_fun_type : typ -> bool
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  val is_set_type : typ -> bool
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  val is_fun_or_set_type : typ -> bool
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  val is_set_like_type : typ -> bool
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  val is_pair_type : typ -> bool
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  val is_lfp_iterator_type : typ -> bool
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  val is_gfp_iterator_type : typ -> bool
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  val is_fp_iterator_type : typ -> bool
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  val is_iterator_type : typ -> bool
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  val is_boolean_type : typ -> bool
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  val is_integer_type : typ -> bool
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  val is_bit_type : typ -> bool
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  val is_word_type : typ -> bool
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  val is_integer_like_type : typ -> bool
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  val is_record_type : typ -> bool
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  val is_number_type : Proof.context -> typ -> bool
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  val is_higher_order_type : typ -> bool
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  val elem_type : typ -> typ
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  val pseudo_domain_type : typ -> typ
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  val pseudo_range_type : typ -> typ
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  val const_for_iterator_type : typ -> styp
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  val strip_n_binders : int -> typ -> typ list * typ
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  val nth_range_type : int -> typ -> typ
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  val num_factors_in_type : typ -> int
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  val curried_binder_types : typ -> typ list
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  val mk_flat_tuple : typ -> term list -> term
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  val dest_n_tuple : int -> term -> term list
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  val is_real_datatype : theory -> string -> bool
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  val is_standard_datatype : theory -> (typ option * bool) list -> typ -> bool
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  val is_codatatype : Proof.context -> typ -> bool
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  val is_quot_type : Proof.context -> typ -> bool
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  val is_pure_typedef : Proof.context -> typ -> bool
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  val is_univ_typedef : Proof.context -> typ -> bool
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  val is_datatype : Proof.context -> (typ option * bool) list -> typ -> bool
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  val is_record_constr : styp -> bool
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  val is_record_get : theory -> styp -> bool
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  val is_record_update : theory -> styp -> bool
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  val is_abs_fun : Proof.context -> styp -> bool
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  val is_rep_fun : Proof.context -> styp -> bool
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  val is_quot_abs_fun : Proof.context -> styp -> bool
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  val is_quot_rep_fun : Proof.context -> styp -> bool
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  val mate_of_rep_fun : Proof.context -> styp -> styp
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  val is_constr_like : Proof.context -> styp -> bool
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  val is_constr_like_injective : Proof.context -> styp -> bool
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  val is_constr : Proof.context -> (typ option * bool) list -> styp -> bool
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  val is_sel : string -> bool
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  val is_sel_like_and_no_discr : string -> bool
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  val box_type : hol_context -> boxability -> typ -> typ
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  val binarize_nat_and_int_in_type : typ -> typ
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  val binarize_nat_and_int_in_term : term -> term
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  val discr_for_constr : styp -> styp
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  val num_sels_for_constr_type : typ -> int
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  val nth_sel_name_for_constr_name : string -> int -> string
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  val nth_sel_for_constr : styp -> int -> styp
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  val binarized_and_boxed_nth_sel_for_constr :
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    hol_context -> bool -> styp -> int -> styp
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  val sel_no_from_name : string -> int
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  val close_form : term -> term
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  val distinctness_formula : typ -> term list -> term
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  val register_frac_type :
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    string -> (string * string) list -> morphism -> Context.generic
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    -> Context.generic
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  val register_frac_type_global :
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    string -> (string * string) list -> theory -> theory
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  val unregister_frac_type :
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    string -> morphism -> Context.generic -> Context.generic
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  val unregister_frac_type_global : string -> theory -> theory
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  val register_ersatz :
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    (string * string) list -> morphism -> Context.generic -> Context.generic
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  val register_ersatz_global : (string * string) list -> theory -> theory
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  val register_codatatype :
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    typ -> string -> styp list -> morphism -> Context.generic -> Context.generic
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  val register_codatatype_global :
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    typ -> string -> styp list -> theory -> theory
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  val unregister_codatatype :
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    typ -> morphism -> Context.generic -> Context.generic
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  val unregister_codatatype_global : typ -> theory -> theory
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  val datatype_constrs : hol_context -> typ -> styp list
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  val binarized_and_boxed_datatype_constrs :
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    hol_context -> bool -> typ -> styp list
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  val num_datatype_constrs : hol_context -> typ -> int
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  val constr_name_for_sel_like : string -> string
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  val binarized_and_boxed_constr_for_sel : hol_context -> bool -> styp -> styp
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  val card_of_type : (typ * int) list -> typ -> int
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  val bounded_card_of_type : int -> int -> (typ * int) list -> typ -> int
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  val bounded_exact_card_of_type :
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    hol_context -> typ list -> int -> int -> (typ * int) list -> typ -> int
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  val typical_card_of_type : typ -> int
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  val is_finite_type : hol_context -> typ -> bool
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  val is_special_eligible_arg : bool -> typ list -> term -> bool
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  val s_let :
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    typ list -> string -> int -> typ -> typ -> (term -> term) -> term -> term
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  val s_betapply : typ list -> term * term -> term
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  val s_betapplys : typ list -> term * term list -> term
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  val discriminate_value : hol_context -> styp -> term -> term
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  val select_nth_constr_arg :
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    Proof.context -> (typ option * bool) list -> styp -> term -> int -> typ
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    -> term
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  val construct_value :
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    Proof.context -> (typ option * bool) list -> styp -> term list -> term
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  val coerce_term : hol_context -> typ list -> typ -> typ -> term -> term
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  val special_bounds : term list -> (indexname * typ) list
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  val is_funky_typedef : Proof.context -> typ -> bool
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  val all_defs_of : theory -> (term * term) list -> term list
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  val all_nondefs_of : Proof.context -> (term * term) list -> term list
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  val arity_of_built_in_const :
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    theory -> (typ option * bool) list -> styp -> int option
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  val is_built_in_const :
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    theory -> (typ option * bool) list -> styp -> bool
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  val term_under_def : term -> term
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  val case_const_names :
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    Proof.context -> (typ option * bool) list -> (string * int) list
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  val unfold_defs_in_term : hol_context -> term -> term
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  val const_def_tables :
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    Proof.context -> (term * term) list -> term list
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    -> const_table * const_table
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  val const_nondef_table : term list -> const_table
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  val const_simp_table : Proof.context -> (term * term) list -> const_table
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  val const_psimp_table : Proof.context -> (term * term) list -> const_table
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  val const_choice_spec_table :
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    Proof.context -> (term * term) list -> const_table
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  val inductive_intro_table :
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    Proof.context -> (term * term) list -> const_table * const_table
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    -> const_table
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  val ground_theorem_table : theory -> term list Inttab.table
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  val ersatz_table : Proof.context -> (string * string) list
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  val add_simps : const_table Unsynchronized.ref -> string -> term list -> unit
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  val inverse_axioms_for_rep_fun : Proof.context -> styp -> term list
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  val optimized_typedef_axioms : Proof.context -> string * typ list -> term list
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  val optimized_quot_type_axioms :
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    Proof.context -> (typ option * bool) list -> string * typ list -> term list
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  val def_of_const : theory -> const_table * const_table -> styp -> term option
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  val fixpoint_kind_of_rhs : term -> fixpoint_kind
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  val fixpoint_kind_of_const :
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    theory -> const_table * const_table -> string * typ -> fixpoint_kind
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  val is_real_inductive_pred : hol_context -> styp -> bool
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  val is_constr_pattern : Proof.context -> term -> bool
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  val is_constr_pattern_lhs : Proof.context -> term -> bool
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  val is_constr_pattern_formula : Proof.context -> term -> bool
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  val nondef_props_for_const :
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    theory -> bool -> const_table -> styp -> term list
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  val is_choice_spec_fun : hol_context -> styp -> bool
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  val is_choice_spec_axiom : theory -> const_table -> term -> bool
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  val is_real_equational_fun : hol_context -> styp -> bool
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  val is_equational_fun_but_no_plain_def : hol_context -> styp -> bool
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  val codatatype_bisim_axioms : hol_context -> typ -> term list
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  val is_well_founded_inductive_pred : hol_context -> styp -> bool
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  val unrolled_inductive_pred_const : hol_context -> bool -> styp -> term
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  val equational_fun_axioms : hol_context -> styp -> term list
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  val is_equational_fun_surely_complete : hol_context -> styp -> bool
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  val merged_type_var_table_for_terms :
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    theory -> term list -> (sort * string) list
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  val merge_type_vars_in_term :
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    theory -> bool -> (sort * string) list -> term -> term
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  val ground_types_in_type : hol_context -> bool -> typ -> typ list
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  val ground_types_in_terms : hol_context -> bool -> term list -> typ list
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end;
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structure Nitpick_HOL : NITPICK_HOL =
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struct
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open Nitpick_Util
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type const_table = term list Symtab.table
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type special_fun = (styp * int list * term list) * styp
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type unrolled = styp * styp
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type wf_cache = (styp * (bool * bool)) list
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type hol_context =
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  {thy: theory,
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   ctxt: Proof.context,
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   max_bisim_depth: int,
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   boxes: (typ option * bool option) list,
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   stds: (typ option * bool) list,
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   wfs: (styp option * bool option) list,
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   user_axioms: bool option,
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   debug: bool,
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   whacks: term list,
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   binary_ints: bool option,
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   destroy_constrs: bool,
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   specialize: bool,
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   star_linear_preds: bool,
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   total_consts: bool option,
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   needs: term list option,
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   tac_timeout: Time.time,
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   evals: term list,
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   case_names: (string * int) list,
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   def_tables: const_table * const_table,
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   nondef_table: const_table,
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   nondefs: term list,
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   simp_table: const_table Unsynchronized.ref,
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   psimp_table: const_table,
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   choice_spec_table: const_table,
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   intro_table: const_table,
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   ground_thm_table: term list Inttab.table,
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   ersatz_table: (string * string) list,
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   skolems: (string * string list) list Unsynchronized.ref,
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   special_funs: special_fun list Unsynchronized.ref,
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   unrolled_preds: unrolled list Unsynchronized.ref,
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   wf_cache: wf_cache Unsynchronized.ref,
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   constr_cache: (typ * styp list) list Unsynchronized.ref}
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datatype fixpoint_kind = Lfp | Gfp | NoFp
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datatype boxability =
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  InConstr | InSel | InExpr | InPair | InFunLHS | InFunRHS1 | InFunRHS2
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(* FIXME: Get rid of 'codatatypes' and related functionality *)
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structure Data = Generic_Data
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(
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  type T = {frac_types: (string * (string * string) list) list,
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            ersatz_table: (string * string) list,
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            codatatypes: (string * (string * styp list)) list}
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  val empty = {frac_types = [], ersatz_table = [], codatatypes = []}
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  val extend = I
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  fun merge ({frac_types = fs1, ersatz_table = et1, codatatypes = cs1},
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             {frac_types = fs2, ersatz_table = et2, codatatypes = cs2}) : T =
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    {frac_types = AList.merge (op =) (K true) (fs1, fs2),
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     ersatz_table = AList.merge (op =) (K true) (et1, et2),
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     codatatypes = AList.merge (op =) (K true) (cs1, cs2)}
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)
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val name_sep = "$"
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val numeral_prefix = nitpick_prefix ^ "num" ^ name_sep
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val sel_prefix = nitpick_prefix ^ "sel"
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val discr_prefix = nitpick_prefix ^ "is" ^ name_sep
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val lfp_iterator_prefix = nitpick_prefix ^ "lfpit" ^ name_sep
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val gfp_iterator_prefix = nitpick_prefix ^ "gfpit" ^ name_sep
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val unrolled_prefix = nitpick_prefix ^ "unroll" ^ name_sep
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val base_prefix = nitpick_prefix ^ "base" ^ name_sep
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val step_prefix = nitpick_prefix ^ "step" ^ name_sep
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val ubfp_prefix = nitpick_prefix ^ "ubfp" ^ name_sep
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val lbfp_prefix = nitpick_prefix ^ "lbfp" ^ name_sep
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val quot_normal_prefix = nitpick_prefix ^ "qn" ^ name_sep
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val skolem_prefix = nitpick_prefix ^ "sk"
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val special_prefix = nitpick_prefix ^ "sp"
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val uncurry_prefix = nitpick_prefix ^ "unc"
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val eval_prefix = nitpick_prefix ^ "eval"
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val iter_var_prefix = "i"
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(** Constant/type information and term/type manipulation **)
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fun sel_prefix_for j = sel_prefix ^ string_of_int j ^ name_sep
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fun quot_normal_name_for_type ctxt T =
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  quot_normal_prefix ^ unyxml (Syntax.string_of_typ ctxt T)
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val strip_first_name_sep =
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  Substring.full #> Substring.position name_sep ##> Substring.triml 1
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  #> pairself Substring.string
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fun original_name s =
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  if String.isPrefix nitpick_prefix s then
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    case strip_first_name_sep s of (s1, "") => s1 | (_, s2) => original_name s2
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  else
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    s
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fun s_conj (t1, @{const True}) = t1
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  | s_conj (@{const True}, t2) = t2
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  | s_conj (t1, t2) =
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    if t1 = @{const False} orelse t2 = @{const False} then @{const False}
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    else HOLogic.mk_conj (t1, t2)
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fun s_disj (t1, @{const False}) = t1
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  | s_disj (@{const False}, t2) = t2
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  | s_disj (t1, t2) =
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    if t1 = @{const True} orelse t2 = @{const True} then @{const True}
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    else HOLogic.mk_disj (t1, t2)
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fun strip_connective conn_t (t as (t0 $ t1 $ t2)) =
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    if t0 = conn_t then strip_connective t0 t2 @ strip_connective t0 t1 else [t]
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  | strip_connective _ t = [t]
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fun strip_any_connective (t as (t0 $ _ $ _)) =
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    if t0 = @{const HOL.conj} orelse t0 = @{const HOL.disj} then
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      (strip_connective t0 t, t0)
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    else
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      ([t], @{const Not})
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  | strip_any_connective t = ([t], @{const Not})
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val conjuncts_of = strip_connective @{const HOL.conj}
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val disjuncts_of = strip_connective @{const HOL.disj}
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(* When you add constants to these lists, make sure to handle them in
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   "Nitpick_Nut.nut_from_term", and perhaps in "Nitpick_Mono.consider_term" as
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   well. *)
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val built_in_consts =
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  [(@{const_name all}, 1),
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   (@{const_name "=="}, 2),
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   (@{const_name "==>"}, 2),
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   (@{const_name Pure.conjunction}, 2),
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   (@{const_name Trueprop}, 1),
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   (@{const_name Not}, 1),
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   (@{const_name False}, 0),
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   (@{const_name True}, 0),
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   (@{const_name All}, 1),
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   (@{const_name Ex}, 1),
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   (@{const_name HOL.eq}, 1),
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   (@{const_name HOL.conj}, 2),
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   (@{const_name HOL.disj}, 2),
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   (@{const_name HOL.implies}, 2),
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   (@{const_name If}, 3),
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   (@{const_name Let}, 2),
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   (@{const_name Pair}, 2),
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   (@{const_name fst}, 1),
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   (@{const_name snd}, 1),
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   (@{const_name Set.member}, 2),
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   (@{const_name Collect}, 1),
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   (@{const_name Id}, 0),
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   (@{const_name converse}, 1),
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   (@{const_name trancl}, 1),
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   (@{const_name relcomp}, 2),
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   (@{const_name finite}, 1),
34936
c4f04bee79f3 some work on Nitpick's support for quotient types;
blanchet
parents: 34126
diff changeset
   396
   (@{const_name unknown}, 0),
c4f04bee79f3 some work on Nitpick's support for quotient types;
blanchet
parents: 34126
diff changeset
   397
   (@{const_name is_unknown}, 1),
35671
ed2c3830d881 improved Nitpick's precision for "card" and "setsum" + fix incorrect outcome code w.r.t. "bisim_depth = -1"
blanchet
parents: 35665
diff changeset
   398
   (@{const_name safe_The}, 1),
47909
5f1afeebafbc fixed "real" after they were redefined as a 'quotient_type'
blanchet
parents: 47782
diff changeset
   399
   (@{const_name Nitpick.Frac}, 0),
5f1afeebafbc fixed "real" after they were redefined as a 'quotient_type'
blanchet
parents: 47782
diff changeset
   400
   (@{const_name Nitpick.norm_frac}, 0)]
35220
2bcdae5f4fdb added support for nonstandard "nat"s to Nitpick and fixed bugs in binary "nat"s and "int"s
blanchet
parents: 35190
diff changeset
   401
val built_in_nat_consts =
2bcdae5f4fdb added support for nonstandard "nat"s to Nitpick and fixed bugs in binary "nat"s and "int"s
blanchet
parents: 35190
diff changeset
   402
  [(@{const_name Suc}, 0),
2bcdae5f4fdb added support for nonstandard "nat"s to Nitpick and fixed bugs in binary "nat"s and "int"s
blanchet
parents: 35190
diff changeset
   403
   (@{const_name nat}, 0),
47909
5f1afeebafbc fixed "real" after they were redefined as a 'quotient_type'
blanchet
parents: 47782
diff changeset
   404
   (@{const_name Nitpick.nat_gcd}, 0),
5f1afeebafbc fixed "real" after they were redefined as a 'quotient_type'
blanchet
parents: 47782
diff changeset
   405
   (@{const_name Nitpick.nat_lcm}, 0)]
33192
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   406
val built_in_typed_consts =
35220
2bcdae5f4fdb added support for nonstandard "nat"s to Nitpick and fixed bugs in binary "nat"s and "int"s
blanchet
parents: 35190
diff changeset
   407
  [((@{const_name zero_class.zero}, int_T), 0),
2bcdae5f4fdb added support for nonstandard "nat"s to Nitpick and fixed bugs in binary "nat"s and "int"s
blanchet
parents: 35190
diff changeset
   408
   ((@{const_name one_class.one}, int_T), 0),
2bcdae5f4fdb added support for nonstandard "nat"s to Nitpick and fixed bugs in binary "nat"s and "int"s
blanchet
parents: 35190
diff changeset
   409
   ((@{const_name plus_class.plus}, int_T --> int_T --> int_T), 0),
2bcdae5f4fdb added support for nonstandard "nat"s to Nitpick and fixed bugs in binary "nat"s and "int"s
blanchet
parents: 35190
diff changeset
   410
   ((@{const_name minus_class.minus}, int_T --> int_T --> int_T), 0),
2bcdae5f4fdb added support for nonstandard "nat"s to Nitpick and fixed bugs in binary "nat"s and "int"s
blanchet
parents: 35190
diff changeset
   411
   ((@{const_name times_class.times}, int_T --> int_T --> int_T), 0),
2bcdae5f4fdb added support for nonstandard "nat"s to Nitpick and fixed bugs in binary "nat"s and "int"s
blanchet
parents: 35190
diff changeset
   412
   ((@{const_name div_class.div}, int_T --> int_T --> int_T), 0),
2bcdae5f4fdb added support for nonstandard "nat"s to Nitpick and fixed bugs in binary "nat"s and "int"s
blanchet
parents: 35190
diff changeset
   413
   ((@{const_name uminus_class.uminus}, int_T --> int_T), 0),
2bcdae5f4fdb added support for nonstandard "nat"s to Nitpick and fixed bugs in binary "nat"s and "int"s
blanchet
parents: 35190
diff changeset
   414
   ((@{const_name ord_class.less}, int_T --> int_T --> bool_T), 2),
2bcdae5f4fdb added support for nonstandard "nat"s to Nitpick and fixed bugs in binary "nat"s and "int"s
blanchet
parents: 35190
diff changeset
   415
   ((@{const_name ord_class.less_eq}, int_T --> int_T --> bool_T), 2)]
2bcdae5f4fdb added support for nonstandard "nat"s to Nitpick and fixed bugs in binary "nat"s and "int"s
blanchet
parents: 35190
diff changeset
   416
val built_in_typed_nat_consts =
2bcdae5f4fdb added support for nonstandard "nat"s to Nitpick and fixed bugs in binary "nat"s and "int"s
blanchet
parents: 35190
diff changeset
   417
  [((@{const_name zero_class.zero}, nat_T), 0),
2bcdae5f4fdb added support for nonstandard "nat"s to Nitpick and fixed bugs in binary "nat"s and "int"s
blanchet
parents: 35190
diff changeset
   418
   ((@{const_name one_class.one}, nat_T), 0),
2bcdae5f4fdb added support for nonstandard "nat"s to Nitpick and fixed bugs in binary "nat"s and "int"s
blanchet
parents: 35190
diff changeset
   419
   ((@{const_name plus_class.plus}, nat_T --> nat_T --> nat_T), 0),
2bcdae5f4fdb added support for nonstandard "nat"s to Nitpick and fixed bugs in binary "nat"s and "int"s
blanchet
parents: 35190
diff changeset
   420
   ((@{const_name minus_class.minus}, nat_T --> nat_T --> nat_T), 0),
2bcdae5f4fdb added support for nonstandard "nat"s to Nitpick and fixed bugs in binary "nat"s and "int"s
blanchet
parents: 35190
diff changeset
   421
   ((@{const_name times_class.times}, nat_T --> nat_T --> nat_T), 0),
2bcdae5f4fdb added support for nonstandard "nat"s to Nitpick and fixed bugs in binary "nat"s and "int"s
blanchet
parents: 35190
diff changeset
   422
   ((@{const_name div_class.div}, nat_T --> nat_T --> nat_T), 0),
2bcdae5f4fdb added support for nonstandard "nat"s to Nitpick and fixed bugs in binary "nat"s and "int"s
blanchet
parents: 35190
diff changeset
   423
   ((@{const_name ord_class.less}, nat_T --> nat_T --> bool_T), 2),
2bcdae5f4fdb added support for nonstandard "nat"s to Nitpick and fixed bugs in binary "nat"s and "int"s
blanchet
parents: 35190
diff changeset
   424
   ((@{const_name ord_class.less_eq}, nat_T --> nat_T --> bool_T), 2),
2bcdae5f4fdb added support for nonstandard "nat"s to Nitpick and fixed bugs in binary "nat"s and "int"s
blanchet
parents: 35190
diff changeset
   425
   ((@{const_name of_nat}, nat_T --> int_T), 0)]
46081
8f6465f7021b ported mono calculus to handle "set" type constructors
blanchet
parents: 45980
diff changeset
   426
val built_in_set_like_consts =
37476
0681e46b4022 optimized code generated for datatype cases + more;
blanchet
parents: 37269
diff changeset
   427
  [(@{const_name ord_class.less_eq}, 2)]
33192
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   428
35190
ce653cc27a94 make sure that Nitpick uses binary notation consistently if "binary_ints" is enabled
blanchet
parents: 35181
diff changeset
   429
fun unarize_type @{typ "unsigned_bit word"} = nat_T
ce653cc27a94 make sure that Nitpick uses binary notation consistently if "binary_ints" is enabled
blanchet
parents: 35181
diff changeset
   430
  | unarize_type @{typ "signed_bit word"} = int_T
ce653cc27a94 make sure that Nitpick uses binary notation consistently if "binary_ints" is enabled
blanchet
parents: 35181
diff changeset
   431
  | unarize_type (Type (s, Ts as _ :: _)) = Type (s, map unarize_type Ts)
ce653cc27a94 make sure that Nitpick uses binary notation consistently if "binary_ints" is enabled
blanchet
parents: 35181
diff changeset
   432
  | unarize_type T = T
41052
3db267a01c1d remove the "fin_fun" optimization in Nitpick -- it was always a hack and didn't help much
blanchet
parents: 41049
diff changeset
   433
fun unarize_unbox_etc_type (Type (@{type_name fun_box}, Ts)) =
35665
ff2bf50505ab added "finitize" option to Nitpick + remove dependency on "Coinductive_List"
blanchet
parents: 35625
diff changeset
   434
    unarize_unbox_etc_type (Type (@{type_name fun}, Ts))
ff2bf50505ab added "finitize" option to Nitpick + remove dependency on "Coinductive_List"
blanchet
parents: 35625
diff changeset
   435
  | unarize_unbox_etc_type (Type (@{type_name pair_box}, Ts)) =
38190
b02e204b613a get rid of all "optimizations" regarding "unit" and other cardinality-1 types
blanchet
parents: 38188
diff changeset
   436
    Type (@{type_name prod}, map unarize_unbox_etc_type Ts)
35665
ff2bf50505ab added "finitize" option to Nitpick + remove dependency on "Coinductive_List"
blanchet
parents: 35625
diff changeset
   437
  | unarize_unbox_etc_type @{typ "unsigned_bit word"} = nat_T
ff2bf50505ab added "finitize" option to Nitpick + remove dependency on "Coinductive_List"
blanchet
parents: 35625
diff changeset
   438
  | unarize_unbox_etc_type @{typ "signed_bit word"} = int_T
ff2bf50505ab added "finitize" option to Nitpick + remove dependency on "Coinductive_List"
blanchet
parents: 35625
diff changeset
   439
  | unarize_unbox_etc_type (Type (s, Ts as _ :: _)) =
ff2bf50505ab added "finitize" option to Nitpick + remove dependency on "Coinductive_List"
blanchet
parents: 35625
diff changeset
   440
    Type (s, map unarize_unbox_etc_type Ts)
ff2bf50505ab added "finitize" option to Nitpick + remove dependency on "Coinductive_List"
blanchet
parents: 35625
diff changeset
   441
  | unarize_unbox_etc_type T = T
35280
54ab4921f826 fixed a few bugs in Nitpick and removed unreferenced variables
blanchet
parents: 35220
diff changeset
   442
fun uniterize_type (Type (s, Ts as _ :: _)) = Type (s, map uniterize_type Ts)
54ab4921f826 fixed a few bugs in Nitpick and removed unreferenced variables
blanchet
parents: 35220
diff changeset
   443
  | uniterize_type @{typ bisim_iterator} = nat_T
54ab4921f826 fixed a few bugs in Nitpick and removed unreferenced variables
blanchet
parents: 35220
diff changeset
   444
  | uniterize_type T = T
35665
ff2bf50505ab added "finitize" option to Nitpick + remove dependency on "Coinductive_List"
blanchet
parents: 35625
diff changeset
   445
val uniterize_unarize_unbox_etc_type = uniterize_type o unarize_unbox_etc_type
35280
54ab4921f826 fixed a few bugs in Nitpick and removed unreferenced variables
blanchet
parents: 35220
diff changeset
   446
35665
ff2bf50505ab added "finitize" option to Nitpick + remove dependency on "Coinductive_List"
blanchet
parents: 35625
diff changeset
   447
fun string_for_type ctxt = Syntax.string_of_typ ctxt o unarize_unbox_etc_type
38188
7f12a03c513c better "Pretty" handling
blanchet
parents: 38180
diff changeset
   448
fun pretty_for_type ctxt = Syntax.pretty_typ ctxt o unarize_unbox_etc_type
33192
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   449
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   450
val prefix_name = Long_Name.qualify o Long_Name.base_name
34121
5e831d805118 get rid of polymorphic equality in Nitpick's code + a few minor cleanups
blanchet
parents: 33978
diff changeset
   451
fun shortest_name s = List.last (space_explode "." s) handle List.Empty => ""
33192
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   452
val prefix_abs_vars = Term.map_abs_vars o prefix_name
34121
5e831d805118 get rid of polymorphic equality in Nitpick's code + a few minor cleanups
blanchet
parents: 33978
diff changeset
   453
fun short_name s =
33192
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   454
  case space_explode name_sep s of
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   455
    [_] => s |> String.isPrefix nitpick_prefix s ? unprefix nitpick_prefix
34121
5e831d805118 get rid of polymorphic equality in Nitpick's code + a few minor cleanups
blanchet
parents: 33978
diff changeset
   456
  | ss => map shortest_name ss |> space_implode "_"
5e831d805118 get rid of polymorphic equality in Nitpick's code + a few minor cleanups
blanchet
parents: 33978
diff changeset
   457
fun shorten_names_in_type (Type (s, Ts)) =
5e831d805118 get rid of polymorphic equality in Nitpick's code + a few minor cleanups
blanchet
parents: 33978
diff changeset
   458
    Type (short_name s, map shorten_names_in_type Ts)
5e831d805118 get rid of polymorphic equality in Nitpick's code + a few minor cleanups
blanchet
parents: 33978
diff changeset
   459
  | shorten_names_in_type T = T
5e831d805118 get rid of polymorphic equality in Nitpick's code + a few minor cleanups
blanchet
parents: 33978
diff changeset
   460
val shorten_names_in_term =
5e831d805118 get rid of polymorphic equality in Nitpick's code + a few minor cleanups
blanchet
parents: 33978
diff changeset
   461
  map_aterms (fn Const (s, T) => Const (short_name s, T) | t => t)
5e831d805118 get rid of polymorphic equality in Nitpick's code + a few minor cleanups
blanchet
parents: 33978
diff changeset
   462
  #> map_types shorten_names_in_type
33192
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   463
35665
ff2bf50505ab added "finitize" option to Nitpick + remove dependency on "Coinductive_List"
blanchet
parents: 35625
diff changeset
   464
fun strict_type_match thy (T1, T2) =
33192
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   465
  (Sign.typ_match thy (T2, T1) Vartab.empty; true)
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   466
  handle Type.TYPE_MATCH => false
35665
ff2bf50505ab added "finitize" option to Nitpick + remove dependency on "Coinductive_List"
blanchet
parents: 35625
diff changeset
   467
fun type_match thy = strict_type_match thy o pairself unarize_unbox_etc_type
33192
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   468
fun const_match thy ((s1, T1), (s2, T2)) =
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   469
  s1 = s2 andalso type_match thy (T1, T2)
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   470
fun term_match thy (Const x1, Const x2) = const_match thy (x1, x2)
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   471
  | term_match thy (Free (s1, T1), Free (s2, T2)) =
34121
5e831d805118 get rid of polymorphic equality in Nitpick's code + a few minor cleanups
blanchet
parents: 33978
diff changeset
   472
    const_match thy ((shortest_name s1, T1), (shortest_name s2, T2))
35280
54ab4921f826 fixed a few bugs in Nitpick and removed unreferenced variables
blanchet
parents: 35220
diff changeset
   473
  | term_match _ (t1, t2) = t1 aconv t2
33192
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   474
35711
548d3f16404b added term postprocessor to Nitpick, to provide custom syntax for typedefs
blanchet
parents: 35671
diff changeset
   475
fun frac_from_term_pair T t1 t2 =
548d3f16404b added term postprocessor to Nitpick, to provide custom syntax for typedefs
blanchet
parents: 35671
diff changeset
   476
  case snd (HOLogic.dest_number t1) of
548d3f16404b added term postprocessor to Nitpick, to provide custom syntax for typedefs
blanchet
parents: 35671
diff changeset
   477
    0 => HOLogic.mk_number T 0
548d3f16404b added term postprocessor to Nitpick, to provide custom syntax for typedefs
blanchet
parents: 35671
diff changeset
   478
  | n1 => case snd (HOLogic.dest_number t2) of
548d3f16404b added term postprocessor to Nitpick, to provide custom syntax for typedefs
blanchet
parents: 35671
diff changeset
   479
            1 => HOLogic.mk_number T n1
548d3f16404b added term postprocessor to Nitpick, to provide custom syntax for typedefs
blanchet
parents: 35671
diff changeset
   480
          | n2 => Const (@{const_name divide}, T --> T --> T)
548d3f16404b added term postprocessor to Nitpick, to provide custom syntax for typedefs
blanchet
parents: 35671
diff changeset
   481
                  $ HOLogic.mk_number T n1 $ HOLogic.mk_number T n2
548d3f16404b added term postprocessor to Nitpick, to provide custom syntax for typedefs
blanchet
parents: 35671
diff changeset
   482
33192
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   483
fun is_TFree (TFree _) = true
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   484
  | is_TFree _ = false
35665
ff2bf50505ab added "finitize" option to Nitpick + remove dependency on "Coinductive_List"
blanchet
parents: 35625
diff changeset
   485
fun is_fun_type (Type (@{type_name fun}, _)) = true
33192
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   486
  | is_fun_type _ = false
46115
ecab67f5a5c2 improved "set" support by code inspection
blanchet
parents: 46113
diff changeset
   487
fun is_set_type (Type (@{type_name set}, _)) = true
ecab67f5a5c2 improved "set" support by code inspection
blanchet
parents: 46113
diff changeset
   488
  | is_set_type _ = false
ecab67f5a5c2 improved "set" support by code inspection
blanchet
parents: 46113
diff changeset
   489
val is_fun_or_set_type = is_fun_type orf is_set_type
ecab67f5a5c2 improved "set" support by code inspection
blanchet
parents: 46113
diff changeset
   490
fun is_set_like_type (Type (@{type_name fun}, [_, T'])) =
ecab67f5a5c2 improved "set" support by code inspection
blanchet
parents: 46113
diff changeset
   491
    (body_type T' = bool_T)
46081
8f6465f7021b ported mono calculus to handle "set" type constructors
blanchet
parents: 45980
diff changeset
   492
  | is_set_like_type (Type (@{type_name set}, _)) = true
8f6465f7021b ported mono calculus to handle "set" type constructors
blanchet
parents: 45980
diff changeset
   493
  | is_set_like_type _ = false
38190
b02e204b613a get rid of all "optimizations" regarding "unit" and other cardinality-1 types
blanchet
parents: 38188
diff changeset
   494
fun is_pair_type (Type (@{type_name prod}, _)) = true
33192
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   495
  | is_pair_type _ = false
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   496
fun is_lfp_iterator_type (Type (s, _)) = String.isPrefix lfp_iterator_prefix s
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   497
  | is_lfp_iterator_type _ = false
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   498
fun is_gfp_iterator_type (Type (s, _)) = String.isPrefix gfp_iterator_prefix s
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   499
  | is_gfp_iterator_type _ = false
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   500
val is_fp_iterator_type = is_lfp_iterator_type orf is_gfp_iterator_type
35280
54ab4921f826 fixed a few bugs in Nitpick and removed unreferenced variables
blanchet
parents: 35220
diff changeset
   501
fun is_iterator_type T =
54ab4921f826 fixed a few bugs in Nitpick and removed unreferenced variables
blanchet
parents: 35220
diff changeset
   502
  (T = @{typ bisim_iterator} orelse is_fp_iterator_type T)
34121
5e831d805118 get rid of polymorphic equality in Nitpick's code + a few minor cleanups
blanchet
parents: 33978
diff changeset
   503
fun is_boolean_type T = (T = prop_T orelse T = bool_T)
35220
2bcdae5f4fdb added support for nonstandard "nat"s to Nitpick and fixed bugs in binary "nat"s and "int"s
blanchet
parents: 35190
diff changeset
   504
fun is_integer_type T = (T = nat_T orelse T = int_T)
34124
c4628a1dcf75 added support for binary nat/int representation to Nitpick
blanchet
parents: 34123
diff changeset
   505
fun is_bit_type T = (T = @{typ unsigned_bit} orelse T = @{typ signed_bit})
c4628a1dcf75 added support for binary nat/int representation to Nitpick
blanchet
parents: 34123
diff changeset
   506
fun is_word_type (Type (@{type_name word}, _)) = true
c4628a1dcf75 added support for binary nat/int representation to Nitpick
blanchet
parents: 34123
diff changeset
   507
  | is_word_type _ = false
35280
54ab4921f826 fixed a few bugs in Nitpick and removed unreferenced variables
blanchet
parents: 35220
diff changeset
   508
val is_integer_like_type = is_iterator_type orf is_integer_type orf is_word_type
33192
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   509
val is_record_type = not o null o Record.dest_recTs
38240
a44d108a8d39 local versions of Nitpick.register_xxx functions
blanchet
parents: 38215
diff changeset
   510
fun is_frac_type ctxt (Type (s, [])) =
44012
8c1dfd6c2262 added dynamic ersatz_table to Nitpick's data slot
krauss
parents: 43827
diff changeset
   511
    s |> AList.defined (op =) (#frac_types (Data.get (Context.Proof ctxt)))
33192
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   512
  | is_frac_type _ _ = false
38240
a44d108a8d39 local versions of Nitpick.register_xxx functions
blanchet
parents: 38215
diff changeset
   513
fun is_number_type ctxt = is_integer_like_type orf is_frac_type ctxt
41860
49d0fc8c418c improved "is_special_eligible_arg" further, by approximating the cardinality of the argument (as is done quite successfully elsewhere)
blanchet
parents: 41859
diff changeset
   514
fun is_higher_order_type (Type (@{type_name fun}, _)) = true
46115
ecab67f5a5c2 improved "set" support by code inspection
blanchet
parents: 46113
diff changeset
   515
  | is_higher_order_type (Type (@{type_name set}, _)) = true
41860
49d0fc8c418c improved "is_special_eligible_arg" further, by approximating the cardinality of the argument (as is done quite successfully elsewhere)
blanchet
parents: 41859
diff changeset
   516
  | is_higher_order_type (Type (_, Ts)) = exists is_higher_order_type Ts
49d0fc8c418c improved "is_special_eligible_arg" further, by approximating the cardinality of the argument (as is done quite successfully elsewhere)
blanchet
parents: 41859
diff changeset
   517
  | is_higher_order_type _ = false
33192
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   518
46083
efeaa79f021b port part of Nitpick to "set" type constructor
blanchet
parents: 46081
diff changeset
   519
fun elem_type (Type (@{type_name set}, [T'])) = T'
46081
8f6465f7021b ported mono calculus to handle "set" type constructors
blanchet
parents: 45980
diff changeset
   520
  | elem_type T = raise TYPE ("Nitpick_HOL.elem_type", [T], [])
46083
efeaa79f021b port part of Nitpick to "set" type constructor
blanchet
parents: 46081
diff changeset
   521
fun pseudo_domain_type (Type (@{type_name fun}, [T1, _])) = T1
efeaa79f021b port part of Nitpick to "set" type constructor
blanchet
parents: 46081
diff changeset
   522
  | pseudo_domain_type T = elem_type T
efeaa79f021b port part of Nitpick to "set" type constructor
blanchet
parents: 46081
diff changeset
   523
fun pseudo_range_type (Type (@{type_name fun}, [_, T2])) = T2
efeaa79f021b port part of Nitpick to "set" type constructor
blanchet
parents: 46081
diff changeset
   524
  | pseudo_range_type (Type (@{type_name set}, _)) = bool_T
efeaa79f021b port part of Nitpick to "set" type constructor
blanchet
parents: 46081
diff changeset
   525
  | pseudo_range_type T = raise TYPE ("Nitpick_HOL.pseudo_range_type", [T], [])
46081
8f6465f7021b ported mono calculus to handle "set" type constructors
blanchet
parents: 45980
diff changeset
   526
33192
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   527
fun iterator_type_for_const gfp (s, T) =
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   528
  Type ((if gfp then gfp_iterator_prefix else lfp_iterator_prefix) ^ s,
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   529
        binder_types T)
35718
eee1a5e0d334 moved some Nitpick code around
blanchet
parents: 35711
diff changeset
   530
fun const_for_iterator_type (Type (s, Ts)) =
eee1a5e0d334 moved some Nitpick code around
blanchet
parents: 35711
diff changeset
   531
    (strip_first_name_sep s |> snd, Ts ---> bool_T)
33192
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   532
  | const_for_iterator_type T =
33232
f93390060bbe internal renaming in Nitpick and fixed Kodkodi invokation on Linux;
blanchet
parents: 33202
diff changeset
   533
    raise TYPE ("Nitpick_HOL.const_for_iterator_type", [T], [])
33192
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   534
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   535
fun strip_n_binders 0 T = ([], T)
35665
ff2bf50505ab added "finitize" option to Nitpick + remove dependency on "Coinductive_List"
blanchet
parents: 35625
diff changeset
   536
  | strip_n_binders n (Type (@{type_name fun}, [T1, T2])) =
33192
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   537
    strip_n_binders (n - 1) T2 |>> cons T1
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   538
  | strip_n_binders n (Type (@{type_name fun_box}, Ts)) =
35665
ff2bf50505ab added "finitize" option to Nitpick + remove dependency on "Coinductive_List"
blanchet
parents: 35625
diff changeset
   539
    strip_n_binders n (Type (@{type_name fun}, Ts))
33232
f93390060bbe internal renaming in Nitpick and fixed Kodkodi invokation on Linux;
blanchet
parents: 33202
diff changeset
   540
  | strip_n_binders _ T = raise TYPE ("Nitpick_HOL.strip_n_binders", [T], [])
33192
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   541
val nth_range_type = snd oo strip_n_binders
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   542
38190
b02e204b613a get rid of all "optimizations" regarding "unit" and other cardinality-1 types
blanchet
parents: 38188
diff changeset
   543
fun num_factors_in_type (Type (@{type_name prod}, [T1, T2])) =
33192
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   544
    fold (Integer.add o num_factors_in_type) [T1, T2] 0
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   545
  | num_factors_in_type _ = 1
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   546
val curried_binder_types = maps HOLogic.flatten_tupleT o binder_types
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   547
fun maybe_curried_binder_types T =
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   548
  (if is_pair_type (body_type T) then binder_types else curried_binder_types) T
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   549
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   550
fun mk_flat_tuple _ [t] = t
38190
b02e204b613a get rid of all "optimizations" regarding "unit" and other cardinality-1 types
blanchet
parents: 38188
diff changeset
   551
  | mk_flat_tuple (Type (@{type_name prod}, [T1, T2])) (t :: ts) =
33192
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   552
    HOLogic.pair_const T1 T2 $ t $ (mk_flat_tuple T2 ts)
33232
f93390060bbe internal renaming in Nitpick and fixed Kodkodi invokation on Linux;
blanchet
parents: 33202
diff changeset
   553
  | mk_flat_tuple T ts = raise TYPE ("Nitpick_HOL.mk_flat_tuple", [T], ts)
33192
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   554
fun dest_n_tuple 1 t = [t]
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   555
  | dest_n_tuple n t = HOLogic.dest_prod t ||> dest_n_tuple (n - 1) |> op ::
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   556
35220
2bcdae5f4fdb added support for nonstandard "nat"s to Nitpick and fixed bugs in binary "nat"s and "int"s
blanchet
parents: 35190
diff changeset
   557
type typedef_info =
2bcdae5f4fdb added support for nonstandard "nat"s to Nitpick and fixed bugs in binary "nat"s and "int"s
blanchet
parents: 35190
diff changeset
   558
  {rep_type: typ, abs_type: typ, Rep_name: string, Abs_name: string,
52205
e62408ee2343 don't create needless constant
blanchet
parents: 51706
diff changeset
   559
   prop_of_Rep: thm, set_name: string option, Abs_inverse: thm option,
e62408ee2343 don't create needless constant
blanchet
parents: 51706
diff changeset
   560
   Rep_inverse: thm option}
35220
2bcdae5f4fdb added support for nonstandard "nat"s to Nitpick and fixed bugs in binary "nat"s and "int"s
blanchet
parents: 35190
diff changeset
   561
37256
0dca1ec52999 thread along context instead of theory for typedef lookup
blanchet
parents: 37253
diff changeset
   562
fun typedef_info ctxt s =
38240
a44d108a8d39 local versions of Nitpick.register_xxx functions
blanchet
parents: 38215
diff changeset
   563
  if is_frac_type ctxt (Type (s, [])) then
a44d108a8d39 local versions of Nitpick.register_xxx functions
blanchet
parents: 38215
diff changeset
   564
    SOME {abs_type = Type (s, []), rep_type = @{typ "int * int"},
47909
5f1afeebafbc fixed "real" after they were redefined as a 'quotient_type'
blanchet
parents: 47782
diff changeset
   565
          Abs_name = @{const_name Nitpick.Abs_Frac},
5f1afeebafbc fixed "real" after they were redefined as a 'quotient_type'
blanchet
parents: 47782
diff changeset
   566
          Rep_name = @{const_name Nitpick.Rep_Frac},
5f1afeebafbc fixed "real" after they were redefined as a 'quotient_type'
blanchet
parents: 47782
diff changeset
   567
          prop_of_Rep = @{prop "Nitpick.Rep_Frac x \<in> Collect Nitpick.Frac"}
5f1afeebafbc fixed "real" after they were redefined as a 'quotient_type'
blanchet
parents: 47782
diff changeset
   568
                        |> Logic.varify_global,
52205
e62408ee2343 don't create needless constant
blanchet
parents: 51706
diff changeset
   569
          Abs_inverse = NONE, Rep_inverse = NONE}
38240
a44d108a8d39 local versions of Nitpick.register_xxx functions
blanchet
parents: 38215
diff changeset
   570
  else case Typedef.get_info ctxt s of
a44d108a8d39 local versions of Nitpick.register_xxx functions
blanchet
parents: 38215
diff changeset
   571
    (* When several entries are returned, it shouldn't matter much which one
a44d108a8d39 local versions of Nitpick.register_xxx functions
blanchet
parents: 38215
diff changeset
   572
       we take (according to Florian Haftmann). *)
39315
27f7b7748425 always handle type variables in typedefs as global
blanchet
parents: 38864
diff changeset
   573
    (* The "Logic.varifyT_global" calls are a temporary hack because these
27f7b7748425 always handle type variables in typedefs as global
blanchet
parents: 38864
diff changeset
   574
       types's type variables sometimes clash with locally fixed type variables.
27f7b7748425 always handle type variables in typedefs as global
blanchet
parents: 38864
diff changeset
   575
       Remove these calls once "Typedef" is fully localized. *)
38240
a44d108a8d39 local versions of Nitpick.register_xxx functions
blanchet
parents: 38215
diff changeset
   576
    ({abs_type, rep_type, Abs_name, Rep_name, ...},
49833
1d80798e8d8a discontinued typedef with implicit set_def;
wenzelm
parents: 48812
diff changeset
   577
     {Rep, Abs_inverse, Rep_inverse, ...}) :: _ =>
39315
27f7b7748425 always handle type variables in typedefs as global
blanchet
parents: 38864
diff changeset
   578
    SOME {abs_type = Logic.varifyT_global abs_type,
27f7b7748425 always handle type variables in typedefs as global
blanchet
parents: 38864
diff changeset
   579
          rep_type = Logic.varifyT_global rep_type, Abs_name = Abs_name,
49833
1d80798e8d8a discontinued typedef with implicit set_def;
wenzelm
parents: 48812
diff changeset
   580
          Rep_name = Rep_name, prop_of_Rep = prop_of Rep,
52205
e62408ee2343 don't create needless constant
blanchet
parents: 51706
diff changeset
   581
          Abs_inverse = SOME Abs_inverse, Rep_inverse = SOME Rep_inverse}
38240
a44d108a8d39 local versions of Nitpick.register_xxx functions
blanchet
parents: 38215
diff changeset
   582
  | _ => NONE
35220
2bcdae5f4fdb added support for nonstandard "nat"s to Nitpick and fixed bugs in binary "nat"s and "int"s
blanchet
parents: 35190
diff changeset
   583
2bcdae5f4fdb added support for nonstandard "nat"s to Nitpick and fixed bugs in binary "nat"s and "int"s
blanchet
parents: 35190
diff changeset
   584
val is_typedef = is_some oo typedef_info
2bcdae5f4fdb added support for nonstandard "nat"s to Nitpick and fixed bugs in binary "nat"s and "int"s
blanchet
parents: 35190
diff changeset
   585
val is_real_datatype = is_some oo Datatype.get_info
2bcdae5f4fdb added support for nonstandard "nat"s to Nitpick and fixed bugs in binary "nat"s and "int"s
blanchet
parents: 35190
diff changeset
   586
fun is_standard_datatype thy = the oo triple_lookup (type_match thy)
2bcdae5f4fdb added support for nonstandard "nat"s to Nitpick and fixed bugs in binary "nat"s and "int"s
blanchet
parents: 35190
diff changeset
   587
51143
0a2371e7ced3 two target language numeral types: integer and natural, as replacement for code_numeral;
haftmann
parents: 49985
diff changeset
   588
(* FIXME: Use antiquotation for "natural" below or detect "rep_datatype",
34121
5e831d805118 get rid of polymorphic equality in Nitpick's code + a few minor cleanups
blanchet
parents: 33978
diff changeset
   589
   e.g., by adding a field to "Datatype_Aux.info". *)
35220
2bcdae5f4fdb added support for nonstandard "nat"s to Nitpick and fixed bugs in binary "nat"s and "int"s
blanchet
parents: 35190
diff changeset
   590
fun is_basic_datatype thy stds s =
46083
efeaa79f021b port part of Nitpick to "set" type constructor
blanchet
parents: 46081
diff changeset
   591
  member (op =) [@{type_name prod}, @{type_name set}, @{type_name bool},
51143
0a2371e7ced3 two target language numeral types: integer and natural, as replacement for code_numeral;
haftmann
parents: 49985
diff changeset
   592
                 @{type_name int}, @{type_name natural}, @{type_name integer}] s orelse
35220
2bcdae5f4fdb added support for nonstandard "nat"s to Nitpick and fixed bugs in binary "nat"s and "int"s
blanchet
parents: 35190
diff changeset
   593
  (s = @{type_name nat} andalso is_standard_datatype thy stds nat_T)
34121
5e831d805118 get rid of polymorphic equality in Nitpick's code + a few minor cleanups
blanchet
parents: 33978
diff changeset
   594
55080
b7c41accbff2 have Nitpick lookup codatatypes
blanchet
parents: 55017
diff changeset
   595
fun repair_constr_type (Type (_, Ts)) T =
b7c41accbff2 have Nitpick lookup codatatypes
blanchet
parents: 55017
diff changeset
   596
  snd (dest_Const (Ctr_Sugar.mk_ctr Ts (Const (Name.uu, T))))
33192
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   597
38240
a44d108a8d39 local versions of Nitpick.register_xxx functions
blanchet
parents: 38215
diff changeset
   598
fun register_frac_type_generic frac_s ersaetze generic =
33192
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   599
  let
44012
8c1dfd6c2262 added dynamic ersatz_table to Nitpick's data slot
krauss
parents: 43827
diff changeset
   600
    val {frac_types, ersatz_table, codatatypes} = Data.get generic
33192
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   601
    val frac_types = AList.update (op =) (frac_s, ersaetze) frac_types
44012
8c1dfd6c2262 added dynamic ersatz_table to Nitpick's data slot
krauss
parents: 43827
diff changeset
   602
  in Data.put {frac_types = frac_types, ersatz_table = ersatz_table,
8c1dfd6c2262 added dynamic ersatz_table to Nitpick's data slot
krauss
parents: 43827
diff changeset
   603
               codatatypes = codatatypes} generic end
38284
9f98107ad8b4 use "declaration" instead of "setup" to register Nitpick extensions
blanchet
parents: 38282
diff changeset
   604
(* TODO: Consider morphism. *)
9f98107ad8b4 use "declaration" instead of "setup" to register Nitpick extensions
blanchet
parents: 38282
diff changeset
   605
fun register_frac_type frac_s ersaetze (_ : morphism) =
9f98107ad8b4 use "declaration" instead of "setup" to register Nitpick extensions
blanchet
parents: 38282
diff changeset
   606
  register_frac_type_generic frac_s ersaetze
38240
a44d108a8d39 local versions of Nitpick.register_xxx functions
blanchet
parents: 38215
diff changeset
   607
val register_frac_type_global = Context.theory_map oo register_frac_type_generic
33192
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   608
38240
a44d108a8d39 local versions of Nitpick.register_xxx functions
blanchet
parents: 38215
diff changeset
   609
fun unregister_frac_type_generic frac_s = register_frac_type_generic frac_s []
38284
9f98107ad8b4 use "declaration" instead of "setup" to register Nitpick extensions
blanchet
parents: 38282
diff changeset
   610
(* TODO: Consider morphism. *)
9f98107ad8b4 use "declaration" instead of "setup" to register Nitpick extensions
blanchet
parents: 38282
diff changeset
   611
fun unregister_frac_type frac_s (_ : morphism) =
9f98107ad8b4 use "declaration" instead of "setup" to register Nitpick extensions
blanchet
parents: 38282
diff changeset
   612
  unregister_frac_type_generic frac_s
38240
a44d108a8d39 local versions of Nitpick.register_xxx functions
blanchet
parents: 38215
diff changeset
   613
val unregister_frac_type_global =
a44d108a8d39 local versions of Nitpick.register_xxx functions
blanchet
parents: 38215
diff changeset
   614
  Context.theory_map o unregister_frac_type_generic
a44d108a8d39 local versions of Nitpick.register_xxx functions
blanchet
parents: 38215
diff changeset
   615
44012
8c1dfd6c2262 added dynamic ersatz_table to Nitpick's data slot
krauss
parents: 43827
diff changeset
   616
fun register_ersatz_generic ersatz generic =
8c1dfd6c2262 added dynamic ersatz_table to Nitpick's data slot
krauss
parents: 43827
diff changeset
   617
  let
8c1dfd6c2262 added dynamic ersatz_table to Nitpick's data slot
krauss
parents: 43827
diff changeset
   618
    val {frac_types, ersatz_table, codatatypes} = Data.get generic
8c1dfd6c2262 added dynamic ersatz_table to Nitpick's data slot
krauss
parents: 43827
diff changeset
   619
    val ersatz_table = AList.merge (op =) (K true) (ersatz_table, ersatz)
8c1dfd6c2262 added dynamic ersatz_table to Nitpick's data slot
krauss
parents: 43827
diff changeset
   620
  in Data.put {frac_types = frac_types, ersatz_table = ersatz_table,
8c1dfd6c2262 added dynamic ersatz_table to Nitpick's data slot
krauss
parents: 43827
diff changeset
   621
               codatatypes = codatatypes} generic end
8c1dfd6c2262 added dynamic ersatz_table to Nitpick's data slot
krauss
parents: 43827
diff changeset
   622
(* TODO: Consider morphism. *)
8c1dfd6c2262 added dynamic ersatz_table to Nitpick's data slot
krauss
parents: 43827
diff changeset
   623
fun register_ersatz ersatz (_ : morphism) =
8c1dfd6c2262 added dynamic ersatz_table to Nitpick's data slot
krauss
parents: 43827
diff changeset
   624
  register_ersatz_generic ersatz
8c1dfd6c2262 added dynamic ersatz_table to Nitpick's data slot
krauss
parents: 43827
diff changeset
   625
val register_ersatz_global = Context.theory_map o register_ersatz_generic
8c1dfd6c2262 added dynamic ersatz_table to Nitpick's data slot
krauss
parents: 43827
diff changeset
   626
55080
b7c41accbff2 have Nitpick lookup codatatypes
blanchet
parents: 55017
diff changeset
   627
fun register_codatatype_generic coT case_name constr_xs generic =
33192
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   628
  let
38240
a44d108a8d39 local versions of Nitpick.register_xxx functions
blanchet
parents: 38215
diff changeset
   629
    val thy = Context.theory_of generic
44012
8c1dfd6c2262 added dynamic ersatz_table to Nitpick's data slot
krauss
parents: 43827
diff changeset
   630
    val {frac_types, ersatz_table, codatatypes} = Data.get generic
55080
b7c41accbff2 have Nitpick lookup codatatypes
blanchet
parents: 55017
diff changeset
   631
    val constr_xs = map (apsnd (repair_constr_type coT)) constr_xs
b7c41accbff2 have Nitpick lookup codatatypes
blanchet
parents: 55017
diff changeset
   632
    val (co_s, coTs) = dest_Type coT
33192
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   633
    val _ =
55080
b7c41accbff2 have Nitpick lookup codatatypes
blanchet
parents: 55017
diff changeset
   634
      if forall is_TFree coTs andalso not (has_duplicates (op =) coTs) andalso
35665
ff2bf50505ab added "finitize" option to Nitpick + remove dependency on "Coinductive_List"
blanchet
parents: 35625
diff changeset
   635
         co_s <> @{type_name fun} andalso
35220
2bcdae5f4fdb added support for nonstandard "nat"s to Nitpick and fixed bugs in binary "nat"s and "int"s
blanchet
parents: 35190
diff changeset
   636
         not (is_basic_datatype thy [(NONE, true)] co_s) then
34121
5e831d805118 get rid of polymorphic equality in Nitpick's code + a few minor cleanups
blanchet
parents: 33978
diff changeset
   637
        ()
5e831d805118 get rid of polymorphic equality in Nitpick's code + a few minor cleanups
blanchet
parents: 33978
diff changeset
   638
      else
55080
b7c41accbff2 have Nitpick lookup codatatypes
blanchet
parents: 55017
diff changeset
   639
        raise TYPE ("Nitpick_HOL.register_codatatype_generic", [coT], [])
33192
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   640
    val codatatypes = AList.update (op =) (co_s, (case_name, constr_xs))
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   641
                                   codatatypes
44012
8c1dfd6c2262 added dynamic ersatz_table to Nitpick's data slot
krauss
parents: 43827
diff changeset
   642
  in Data.put {frac_types = frac_types, ersatz_table = ersatz_table,
8c1dfd6c2262 added dynamic ersatz_table to Nitpick's data slot
krauss
parents: 43827
diff changeset
   643
               codatatypes = codatatypes} generic end
38284
9f98107ad8b4 use "declaration" instead of "setup" to register Nitpick extensions
blanchet
parents: 38282
diff changeset
   644
(* TODO: Consider morphism. *)
55080
b7c41accbff2 have Nitpick lookup codatatypes
blanchet
parents: 55017
diff changeset
   645
fun register_codatatype coT case_name constr_xs (_ : morphism) =
b7c41accbff2 have Nitpick lookup codatatypes
blanchet
parents: 55017
diff changeset
   646
  register_codatatype_generic coT case_name constr_xs
38240
a44d108a8d39 local versions of Nitpick.register_xxx functions
blanchet
parents: 38215
diff changeset
   647
val register_codatatype_global =
a44d108a8d39 local versions of Nitpick.register_xxx functions
blanchet
parents: 38215
diff changeset
   648
  Context.theory_map ooo register_codatatype_generic
33192
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   649
55080
b7c41accbff2 have Nitpick lookup codatatypes
blanchet
parents: 55017
diff changeset
   650
fun unregister_codatatype_generic coT = register_codatatype_generic coT "" []
38284
9f98107ad8b4 use "declaration" instead of "setup" to register Nitpick extensions
blanchet
parents: 38282
diff changeset
   651
(* TODO: Consider morphism. *)
55080
b7c41accbff2 have Nitpick lookup codatatypes
blanchet
parents: 55017
diff changeset
   652
fun unregister_codatatype coT (_ : morphism) =
b7c41accbff2 have Nitpick lookup codatatypes
blanchet
parents: 55017
diff changeset
   653
  unregister_codatatype_generic coT
38240
a44d108a8d39 local versions of Nitpick.register_xxx functions
blanchet
parents: 38215
diff changeset
   654
val unregister_codatatype_global =
a44d108a8d39 local versions of Nitpick.register_xxx functions
blanchet
parents: 38215
diff changeset
   655
  Context.theory_map o unregister_codatatype_generic
a44d108a8d39 local versions of Nitpick.register_xxx functions
blanchet
parents: 38215
diff changeset
   656
a44d108a8d39 local versions of Nitpick.register_xxx functions
blanchet
parents: 38215
diff changeset
   657
fun is_codatatype ctxt (Type (s, _)) =
55080
b7c41accbff2 have Nitpick lookup codatatypes
blanchet
parents: 55017
diff changeset
   658
    Option.map #fp (BNF_FP_Def_Sugar.fp_sugar_of ctxt s)
55576
315dd5920114 adapted Nitpick to 'primrec' refactoring
blanchet
parents: 55539
diff changeset
   659
        = SOME BNF_Util.Greatest_FP orelse
55080
b7c41accbff2 have Nitpick lookup codatatypes
blanchet
parents: 55017
diff changeset
   660
    not (null (these (Option.map snd (AList.lookup (op =)
b7c41accbff2 have Nitpick lookup codatatypes
blanchet
parents: 55017
diff changeset
   661
                            (#codatatypes (Data.get (Context.Proof ctxt))) s))))
33192
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   662
  | is_codatatype _ _ = false
47909
5f1afeebafbc fixed "real" after they were redefined as a 'quotient_type'
blanchet
parents: 47782
diff changeset
   663
fun is_registered_type ctxt T = is_frac_type ctxt T orelse is_codatatype ctxt T
45280
9fd6fce8a230 localized quotient data;
wenzelm
parents: 45279
diff changeset
   664
fun is_real_quot_type ctxt (Type (s, _)) =
9fd6fce8a230 localized quotient data;
wenzelm
parents: 45279
diff changeset
   665
    is_some (Quotient_Info.lookup_quotients ctxt s)
38215
1c7d7eaebdf2 quotient types registered as codatatypes are no longer quotient types
blanchet
parents: 38212
diff changeset
   666
  | is_real_quot_type _ _ = false
38240
a44d108a8d39 local versions of Nitpick.register_xxx functions
blanchet
parents: 38215
diff changeset
   667
fun is_quot_type ctxt T =
48812
9509fc5485b2 fixed handling of "int" in the wake of its port to the quotient package
blanchet
parents: 48811
diff changeset
   668
  is_real_quot_type ctxt T andalso not (is_registered_type ctxt T) andalso
9509fc5485b2 fixed handling of "int" in the wake of its port to the quotient package
blanchet
parents: 48811
diff changeset
   669
  T <> @{typ int}
37256
0dca1ec52999 thread along context instead of theory for typedef lookup
blanchet
parents: 37253
diff changeset
   670
fun is_pure_typedef ctxt (T as Type (s, _)) =
42361
23f352990944 modernized structure Proof_Context;
wenzelm
parents: 41994
diff changeset
   671
    let val thy = Proof_Context.theory_of ctxt in
47909
5f1afeebafbc fixed "real" after they were redefined as a 'quotient_type'
blanchet
parents: 47782
diff changeset
   672
      is_frac_type ctxt T orelse
5f1afeebafbc fixed "real" after they were redefined as a 'quotient_type'
blanchet
parents: 47782
diff changeset
   673
      (is_typedef ctxt s andalso
5f1afeebafbc fixed "real" after they were redefined as a 'quotient_type'
blanchet
parents: 47782
diff changeset
   674
       not (is_real_datatype thy s orelse is_real_quot_type ctxt T orelse
5f1afeebafbc fixed "real" after they were redefined as a 'quotient_type'
blanchet
parents: 47782
diff changeset
   675
            is_codatatype ctxt T orelse is_record_type T orelse
5f1afeebafbc fixed "real" after they were redefined as a 'quotient_type'
blanchet
parents: 47782
diff changeset
   676
            is_integer_like_type T))
37256
0dca1ec52999 thread along context instead of theory for typedef lookup
blanchet
parents: 37253
diff changeset
   677
    end
33192
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   678
  | is_pure_typedef _ _ = false
37256
0dca1ec52999 thread along context instead of theory for typedef lookup
blanchet
parents: 37253
diff changeset
   679
fun is_univ_typedef ctxt (Type (s, _)) =
0dca1ec52999 thread along context instead of theory for typedef lookup
blanchet
parents: 37253
diff changeset
   680
    (case typedef_info ctxt s of
49833
1d80798e8d8a discontinued typedef with implicit set_def;
wenzelm
parents: 48812
diff changeset
   681
       SOME {prop_of_Rep, ...} =>
35332
22442ab3e7a3 optimized multisets in Nitpick by fishing "finite"
blanchet
parents: 35311
diff changeset
   682
       let
22442ab3e7a3 optimized multisets in Nitpick by fishing "finite"
blanchet
parents: 35311
diff changeset
   683
         val t_opt =
49833
1d80798e8d8a discontinued typedef with implicit set_def;
wenzelm
parents: 48812
diff changeset
   684
           try (snd o HOLogic.dest_mem o HOLogic.dest_Trueprop) prop_of_Rep
35332
22442ab3e7a3 optimized multisets in Nitpick by fishing "finite"
blanchet
parents: 35311
diff changeset
   685
       in
22442ab3e7a3 optimized multisets in Nitpick by fishing "finite"
blanchet
parents: 35311
diff changeset
   686
         case t_opt of
22442ab3e7a3 optimized multisets in Nitpick by fishing "finite"
blanchet
parents: 35311
diff changeset
   687
           SOME (Const (@{const_name top}, _)) => true
35386
45a4e19d3ebd more work on the new monotonicity stuff in Nitpick
blanchet
parents: 35385
diff changeset
   688
           (* "Multiset.multiset" *)
35332
22442ab3e7a3 optimized multisets in Nitpick by fishing "finite"
blanchet
parents: 35311
diff changeset
   689
         | SOME (Const (@{const_name Collect}, _)
22442ab3e7a3 optimized multisets in Nitpick by fishing "finite"
blanchet
parents: 35311
diff changeset
   690
                 $ Abs (_, _, Const (@{const_name finite}, _) $ _)) => true
35386
45a4e19d3ebd more work on the new monotonicity stuff in Nitpick
blanchet
parents: 35385
diff changeset
   691
           (* "FinFun.finfun" *)
45a4e19d3ebd more work on the new monotonicity stuff in Nitpick
blanchet
parents: 35385
diff changeset
   692
         | SOME (Const (@{const_name Collect}, _) $ Abs (_, _,
45a4e19d3ebd more work on the new monotonicity stuff in Nitpick
blanchet
parents: 35385
diff changeset
   693
                     Const (@{const_name Ex}, _) $ Abs (_, _,
45a4e19d3ebd more work on the new monotonicity stuff in Nitpick
blanchet
parents: 35385
diff changeset
   694
                         Const (@{const_name finite}, _) $ _))) => true
35332
22442ab3e7a3 optimized multisets in Nitpick by fishing "finite"
blanchet
parents: 35311
diff changeset
   695
         | _ => false
22442ab3e7a3 optimized multisets in Nitpick by fishing "finite"
blanchet
parents: 35311
diff changeset
   696
       end
33192
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   697
     | NONE => false)
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   698
  | is_univ_typedef _ _ = false
37256
0dca1ec52999 thread along context instead of theory for typedef lookup
blanchet
parents: 37253
diff changeset
   699
fun is_datatype ctxt stds (T as Type (s, _)) =
42361
23f352990944 modernized structure Proof_Context;
wenzelm
parents: 41994
diff changeset
   700
    let val thy = Proof_Context.theory_of ctxt in
47909
5f1afeebafbc fixed "real" after they were redefined as a 'quotient_type'
blanchet
parents: 47782
diff changeset
   701
      (is_typedef ctxt s orelse is_registered_type ctxt T orelse
45280
9fd6fce8a230 localized quotient data;
wenzelm
parents: 45279
diff changeset
   702
       T = @{typ ind} orelse is_real_quot_type ctxt T) andalso
38240
a44d108a8d39 local versions of Nitpick.register_xxx functions
blanchet
parents: 38215
diff changeset
   703
      not (is_basic_datatype thy stds s)
37256
0dca1ec52999 thread along context instead of theory for typedef lookup
blanchet
parents: 37253
diff changeset
   704
    end
35220
2bcdae5f4fdb added support for nonstandard "nat"s to Nitpick and fixed bugs in binary "nat"s and "int"s
blanchet
parents: 35190
diff changeset
   705
  | is_datatype _ _ _ = false
33192
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   706
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   707
fun all_record_fields thy T =
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   708
  let val (recs, more) = Record.get_extT_fields thy T in
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   709
    recs @ more :: all_record_fields thy (snd more)
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   710
  end
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   711
  handle TYPE _ => []
35280
54ab4921f826 fixed a few bugs in Nitpick and removed unreferenced variables
blanchet
parents: 35220
diff changeset
   712
fun is_record_constr (s, T) =
33192
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   713
  String.isSuffix Record.extN s andalso
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   714
  let val dataT = body_type T in
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   715
    is_record_type dataT andalso
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   716
    s = unsuffix Record.ext_typeN (fst (dest_Type dataT)) ^ Record.extN
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   717
  end
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   718
val num_record_fields = Integer.add 1 o length o fst oo Record.get_extT_fields
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   719
fun no_of_record_field thy s T1 =
34121
5e831d805118 get rid of polymorphic equality in Nitpick's code + a few minor cleanups
blanchet
parents: 33978
diff changeset
   720
  find_index (curry (op =) s o fst)
5e831d805118 get rid of polymorphic equality in Nitpick's code + a few minor cleanups
blanchet
parents: 33978
diff changeset
   721
             (Record.get_extT_fields thy T1 ||> single |> op @)
35665
ff2bf50505ab added "finitize" option to Nitpick + remove dependency on "Coinductive_List"
blanchet
parents: 35625
diff changeset
   722
fun is_record_get thy (s, Type (@{type_name fun}, [T1, _])) =
34121
5e831d805118 get rid of polymorphic equality in Nitpick's code + a few minor cleanups
blanchet
parents: 33978
diff changeset
   723
    exists (curry (op =) s o fst) (all_record_fields thy T1)
33192
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   724
  | is_record_get _ _ = false
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   725
fun is_record_update thy (s, T) =
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   726
  String.isSuffix Record.updateN s andalso
34121
5e831d805118 get rid of polymorphic equality in Nitpick's code + a few minor cleanups
blanchet
parents: 33978
diff changeset
   727
  exists (curry (op =) (unsuffix Record.updateN s) o fst)
33192
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   728
         (all_record_fields thy (body_type T))
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   729
  handle TYPE _ => false
37256
0dca1ec52999 thread along context instead of theory for typedef lookup
blanchet
parents: 37253
diff changeset
   730
fun is_abs_fun ctxt (s, Type (@{type_name fun}, [_, Type (s', _)])) =
0dca1ec52999 thread along context instead of theory for typedef lookup
blanchet
parents: 37253
diff changeset
   731
    (case typedef_info ctxt s' of
33192
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   732
       SOME {Abs_name, ...} => s = Abs_name
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   733
     | NONE => false)
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   734
  | is_abs_fun _ _ = false
37256
0dca1ec52999 thread along context instead of theory for typedef lookup
blanchet
parents: 37253
diff changeset
   735
fun is_rep_fun ctxt (s, Type (@{type_name fun}, [Type (s', _), _])) =
0dca1ec52999 thread along context instead of theory for typedef lookup
blanchet
parents: 37253
diff changeset
   736
    (case typedef_info ctxt s' of
33192
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   737
       SOME {Rep_name, ...} => s = Rep_name
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   738
     | NONE => false)
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   739
  | is_rep_fun _ _ = false
38215
1c7d7eaebdf2 quotient types registered as codatatypes are no longer quotient types
blanchet
parents: 38212
diff changeset
   740
fun is_quot_abs_fun ctxt (x as (_, Type (@{type_name fun},
1c7d7eaebdf2 quotient types registered as codatatypes are no longer quotient types
blanchet
parents: 38212
diff changeset
   741
                                         [_, abs_T as Type (s', _)]))) =
45797
977cf00fb8d3 make ctxt the first parameter
kuncar
parents: 45280
diff changeset
   742
    try (Quotient_Term.absrep_const_chk ctxt Quotient_Term.AbsF) s'
47909
5f1afeebafbc fixed "real" after they were redefined as a 'quotient_type'
blanchet
parents: 47782
diff changeset
   743
    = SOME (Const x) andalso not (is_registered_type ctxt abs_T)
34936
c4f04bee79f3 some work on Nitpick's support for quotient types;
blanchet
parents: 34126
diff changeset
   744
  | is_quot_abs_fun _ _ = false
46819
9b38f8527510 addressed a quotient-type-related issue that arose with the port to "set"
blanchet
parents: 46746
diff changeset
   745
fun is_quot_rep_fun ctxt (s, Type (@{type_name fun},
9b38f8527510 addressed a quotient-type-related issue that arose with the port to "set"
blanchet
parents: 46746
diff changeset
   746
                                   [abs_T as Type (abs_s, _), _])) =
46746
a10dcc985e8d improved handling of polymorphic quotient types, by avoiding comparing types that will generally differ in the polymorphic case
blanchet
parents: 46745
diff changeset
   747
    (case try (Quotient_Term.absrep_const_chk ctxt Quotient_Term.RepF) abs_s of
47909
5f1afeebafbc fixed "real" after they were redefined as a 'quotient_type'
blanchet
parents: 47782
diff changeset
   748
       SOME (Const (s', _)) =>
5f1afeebafbc fixed "real" after they were redefined as a 'quotient_type'
blanchet
parents: 47782
diff changeset
   749
       s = s' andalso not (is_registered_type ctxt abs_T)
48811
d1688612668d removed dead code
blanchet
parents: 47990
diff changeset
   750
     | _ => false)
34936
c4f04bee79f3 some work on Nitpick's support for quotient types;
blanchet
parents: 34126
diff changeset
   751
  | is_quot_rep_fun _ _ = false
33192
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   752
37256
0dca1ec52999 thread along context instead of theory for typedef lookup
blanchet
parents: 37253
diff changeset
   753
fun mate_of_rep_fun ctxt (x as (_, Type (@{type_name fun},
0dca1ec52999 thread along context instead of theory for typedef lookup
blanchet
parents: 37253
diff changeset
   754
                                         [T1 as Type (s', _), T2]))) =
0dca1ec52999 thread along context instead of theory for typedef lookup
blanchet
parents: 37253
diff changeset
   755
    (case typedef_info ctxt s' of
35665
ff2bf50505ab added "finitize" option to Nitpick + remove dependency on "Coinductive_List"
blanchet
parents: 35625
diff changeset
   756
       SOME {Abs_name, ...} => (Abs_name, Type (@{type_name fun}, [T2, T1]))
33232
f93390060bbe internal renaming in Nitpick and fixed Kodkodi invokation on Linux;
blanchet
parents: 33202
diff changeset
   757
     | NONE => raise TERM ("Nitpick_HOL.mate_of_rep_fun", [Const x]))
f93390060bbe internal renaming in Nitpick and fixed Kodkodi invokation on Linux;
blanchet
parents: 33202
diff changeset
   758
  | mate_of_rep_fun _ x = raise TERM ("Nitpick_HOL.mate_of_rep_fun", [Const x])
45280
9fd6fce8a230 localized quotient data;
wenzelm
parents: 45279
diff changeset
   759
fun rep_type_for_quot_type ctxt (T as Type (s, _)) =
9fd6fce8a230 localized quotient data;
wenzelm
parents: 45279
diff changeset
   760
    let
9fd6fce8a230 localized quotient data;
wenzelm
parents: 45279
diff changeset
   761
      val thy = Proof_Context.theory_of ctxt
9fd6fce8a230 localized quotient data;
wenzelm
parents: 45279
diff changeset
   762
      val {qtyp, rtyp, ...} = the (Quotient_Info.lookup_quotients ctxt s)
9fd6fce8a230 localized quotient data;
wenzelm
parents: 45279
diff changeset
   763
    in
39345
062c10ff848c remove unreferenced identifiers
blanchet
parents: 39315
diff changeset
   764
      instantiate_type thy qtyp T rtyp
062c10ff848c remove unreferenced identifiers
blanchet
parents: 39315
diff changeset
   765
    end
062c10ff848c remove unreferenced identifiers
blanchet
parents: 39315
diff changeset
   766
  | rep_type_for_quot_type _ T =
062c10ff848c remove unreferenced identifiers
blanchet
parents: 39315
diff changeset
   767
    raise TYPE ("Nitpick_HOL.rep_type_for_quot_type", [T], [])
35284
9edc2bd6d2bd enabled Nitpick's support for quotient types + shortened the Nitpick tests a bit
blanchet
parents: 35283
diff changeset
   768
fun equiv_relation_for_quot_type thy (Type (s, Ts)) =
9edc2bd6d2bd enabled Nitpick's support for quotient types + shortened the Nitpick tests a bit
blanchet
parents: 35283
diff changeset
   769
    let
46745
a6f83f21dc2c fixed handling of "Rep_" function of quotient types -- side-effect of "set" constructor reintroduction
blanchet
parents: 46320
diff changeset
   770
      val {qtyp, equiv_rel, equiv_thm, ...} =
a6f83f21dc2c fixed handling of "Rep_" function of quotient types -- side-effect of "set" constructor reintroduction
blanchet
parents: 46320
diff changeset
   771
        the (Quotient_Info.lookup_quotients thy s)
38243
f41865450450 added support for partial quotient types;
blanchet
parents: 38242
diff changeset
   772
      val partial =
f41865450450 added support for partial quotient types;
blanchet
parents: 38242
diff changeset
   773
        case prop_of equiv_thm of
f41865450450 added support for partial quotient types;
blanchet
parents: 38242
diff changeset
   774
          @{const Trueprop} $ (Const (@{const_name equivp}, _) $ _) => false
f41865450450 added support for partial quotient types;
blanchet
parents: 38242
diff changeset
   775
        | @{const Trueprop} $ (Const (@{const_name part_equivp}, _) $ _) => true
f41865450450 added support for partial quotient types;
blanchet
parents: 38242
diff changeset
   776
        | _ => raise NOT_SUPPORTED "Ill-formed quotient type equivalence \
f41865450450 added support for partial quotient types;
blanchet
parents: 38242
diff changeset
   777
                                   \relation theorem"
35284
9edc2bd6d2bd enabled Nitpick's support for quotient types + shortened the Nitpick tests a bit
blanchet
parents: 35283
diff changeset
   778
      val Ts' = qtyp |> dest_Type |> snd
38243
f41865450450 added support for partial quotient types;
blanchet
parents: 38242
diff changeset
   779
    in (subst_atomic_types (Ts' ~~ Ts) equiv_rel, partial) end
34936
c4f04bee79f3 some work on Nitpick's support for quotient types;
blanchet
parents: 34126
diff changeset
   780
  | equiv_relation_for_quot_type _ T =
c4f04bee79f3 some work on Nitpick's support for quotient types;
blanchet
parents: 34126
diff changeset
   781
    raise TYPE ("Nitpick_HOL.equiv_relation_for_quot_type", [T], [])
33192
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   782
38240
a44d108a8d39 local versions of Nitpick.register_xxx functions
blanchet
parents: 38215
diff changeset
   783
fun is_coconstr ctxt (s, T) =
55080
b7c41accbff2 have Nitpick lookup codatatypes
blanchet
parents: 55017
diff changeset
   784
  case body_type T of
b7c41accbff2 have Nitpick lookup codatatypes
blanchet
parents: 55017
diff changeset
   785
    coT as Type (co_s, _) =>
b7c41accbff2 have Nitpick lookup codatatypes
blanchet
parents: 55017
diff changeset
   786
    let
b7c41accbff2 have Nitpick lookup codatatypes
blanchet
parents: 55017
diff changeset
   787
      val ctrs1 =
b7c41accbff2 have Nitpick lookup codatatypes
blanchet
parents: 55017
diff changeset
   788
        co_s
b7c41accbff2 have Nitpick lookup codatatypes
blanchet
parents: 55017
diff changeset
   789
        |> AList.lookup (op =) (#codatatypes (Data.get (Context.Proof ctxt)))
b7c41accbff2 have Nitpick lookup codatatypes
blanchet
parents: 55017
diff changeset
   790
        |> Option.map snd |> these
b7c41accbff2 have Nitpick lookup codatatypes
blanchet
parents: 55017
diff changeset
   791
      val ctrs2 =
b7c41accbff2 have Nitpick lookup codatatypes
blanchet
parents: 55017
diff changeset
   792
        (case BNF_FP_Def_Sugar.fp_sugar_of ctxt co_s of
55576
315dd5920114 adapted Nitpick to 'primrec' refactoring
blanchet
parents: 55539
diff changeset
   793
           SOME (fp_sugar as {fp = BNF_Util.Greatest_FP, ...}) =>
55539
0819931d652d simplified data structure by reducing the incidence of clumsy indices
blanchet
parents: 55414
diff changeset
   794
           map dest_Const (#ctrs (#ctr_sugar fp_sugar))
55080
b7c41accbff2 have Nitpick lookup codatatypes
blanchet
parents: 55017
diff changeset
   795
         | _ => [])
b7c41accbff2 have Nitpick lookup codatatypes
blanchet
parents: 55017
diff changeset
   796
    in
b7c41accbff2 have Nitpick lookup codatatypes
blanchet
parents: 55017
diff changeset
   797
      exists (fn (s', T') => s = s' andalso repair_constr_type coT T' = T)
b7c41accbff2 have Nitpick lookup codatatypes
blanchet
parents: 55017
diff changeset
   798
             (ctrs1 @ ctrs2)
b7c41accbff2 have Nitpick lookup codatatypes
blanchet
parents: 55017
diff changeset
   799
    end
b7c41accbff2 have Nitpick lookup codatatypes
blanchet
parents: 55017
diff changeset
   800
  | _ => false
37256
0dca1ec52999 thread along context instead of theory for typedef lookup
blanchet
parents: 37253
diff changeset
   801
fun is_constr_like ctxt (s, T) =
41052
3db267a01c1d remove the "fin_fun" optimization in Nitpick -- it was always a hack and didn't help much
blanchet
parents: 41049
diff changeset
   802
  member (op =) [@{const_name FunBox}, @{const_name PairBox},
3db267a01c1d remove the "fin_fun" optimization in Nitpick -- it was always a hack and didn't help much
blanchet
parents: 41049
diff changeset
   803
                 @{const_name Quot}, @{const_name Zero_Rep},
3db267a01c1d remove the "fin_fun" optimization in Nitpick -- it was always a hack and didn't help much
blanchet
parents: 41049
diff changeset
   804
                 @{const_name Suc_Rep}] s orelse
37256
0dca1ec52999 thread along context instead of theory for typedef lookup
blanchet
parents: 37253
diff changeset
   805
  let
42361
23f352990944 modernized structure Proof_Context;
wenzelm
parents: 41994
diff changeset
   806
    val thy = Proof_Context.theory_of ctxt
37256
0dca1ec52999 thread along context instead of theory for typedef lookup
blanchet
parents: 37253
diff changeset
   807
    val (x as (_, T)) = (s, unarize_unbox_etc_type T)
0dca1ec52999 thread along context instead of theory for typedef lookup
blanchet
parents: 37253
diff changeset
   808
  in
37260
dde817e6dfb1 added "atoms" option to Nitpick (request from Karlsruhe) + wrap Refute. functions to "nitpick_util.ML"
blanchet
parents: 37258
diff changeset
   809
    is_real_constr thy x orelse is_record_constr x orelse
37256
0dca1ec52999 thread along context instead of theory for typedef lookup
blanchet
parents: 37253
diff changeset
   810
    (is_abs_fun ctxt x andalso is_pure_typedef ctxt (range_type T)) orelse
38240
a44d108a8d39 local versions of Nitpick.register_xxx functions
blanchet
parents: 38215
diff changeset
   811
    is_coconstr ctxt x
33192
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   812
  end
51706
0a4b4735d8bd not all Nitpick 'constructors' are injective -- careful
blanchet
parents: 51143
diff changeset
   813
fun is_constr_like_injective ctxt (s, T) =
0a4b4735d8bd not all Nitpick 'constructors' are injective -- careful
blanchet
parents: 51143
diff changeset
   814
  is_constr_like ctxt (s, T) andalso
0a4b4735d8bd not all Nitpick 'constructors' are injective -- careful
blanchet
parents: 51143
diff changeset
   815
  let val (x as (_, T)) = (s, unarize_unbox_etc_type T) in
0a4b4735d8bd not all Nitpick 'constructors' are injective -- careful
blanchet
parents: 51143
diff changeset
   816
    not (is_abs_fun ctxt x) orelse is_univ_typedef ctxt (range_type T)
0a4b4735d8bd not all Nitpick 'constructors' are injective -- careful
blanchet
parents: 51143
diff changeset
   817
  end
47909
5f1afeebafbc fixed "real" after they were redefined as a 'quotient_type'
blanchet
parents: 47782
diff changeset
   818
fun is_stale_constr ctxt (x as (s, T)) =
5f1afeebafbc fixed "real" after they were redefined as a 'quotient_type'
blanchet
parents: 47782
diff changeset
   819
  is_registered_type ctxt (body_type T) andalso is_constr_like ctxt x andalso
5f1afeebafbc fixed "real" after they were redefined as a 'quotient_type'
blanchet
parents: 47782
diff changeset
   820
  not (s = @{const_name Nitpick.Abs_Frac} orelse is_coconstr ctxt x)
37256
0dca1ec52999 thread along context instead of theory for typedef lookup
blanchet
parents: 37253
diff changeset
   821
fun is_constr ctxt stds (x as (_, T)) =
42361
23f352990944 modernized structure Proof_Context;
wenzelm
parents: 41994
diff changeset
   822
  let val thy = Proof_Context.theory_of ctxt in
37256
0dca1ec52999 thread along context instead of theory for typedef lookup
blanchet
parents: 37253
diff changeset
   823
    is_constr_like ctxt x andalso
0dca1ec52999 thread along context instead of theory for typedef lookup
blanchet
parents: 37253
diff changeset
   824
    not (is_basic_datatype thy stds
35220
2bcdae5f4fdb added support for nonstandard "nat"s to Nitpick and fixed bugs in binary "nat"s and "int"s
blanchet
parents: 35190
diff changeset
   825
                         (fst (dest_Type (unarize_type (body_type T))))) andalso
37256
0dca1ec52999 thread along context instead of theory for typedef lookup
blanchet
parents: 37253
diff changeset
   826
    not (is_stale_constr ctxt x)
0dca1ec52999 thread along context instead of theory for typedef lookup
blanchet
parents: 37253
diff changeset
   827
  end
33192
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   828
val is_sel = String.isPrefix discr_prefix orf String.isPrefix sel_prefix
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   829
val is_sel_like_and_no_discr =
35665
ff2bf50505ab added "finitize" option to Nitpick + remove dependency on "Coinductive_List"
blanchet
parents: 35625
diff changeset
   830
  String.isPrefix sel_prefix orf
ff2bf50505ab added "finitize" option to Nitpick + remove dependency on "Coinductive_List"
blanchet
parents: 35625
diff changeset
   831
  (member (op =) [@{const_name fst}, @{const_name snd}])
33192
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   832
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   833
fun in_fun_lhs_for InConstr = InSel
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   834
  | in_fun_lhs_for _ = InFunLHS
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   835
fun in_fun_rhs_for InConstr = InConstr
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   836
  | in_fun_rhs_for InSel = InSel
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   837
  | in_fun_rhs_for InFunRHS1 = InFunRHS2
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   838
  | in_fun_rhs_for _ = InFunRHS1
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   839
35070
96136eb6218f split "nitpick_hol.ML" into two files to make it more manageable;
blanchet
parents: 34998
diff changeset
   840
fun is_boxing_worth_it (hol_ctxt : hol_context) boxy T =
33192
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   841
  case T of
35665
ff2bf50505ab added "finitize" option to Nitpick + remove dependency on "Coinductive_List"
blanchet
parents: 35625
diff changeset
   842
    Type (@{type_name fun}, _) =>
34936
c4f04bee79f3 some work on Nitpick's support for quotient types;
blanchet
parents: 34126
diff changeset
   843
    (boxy = InPair orelse boxy = InFunLHS) andalso
c4f04bee79f3 some work on Nitpick's support for quotient types;
blanchet
parents: 34126
diff changeset
   844
    not (is_boolean_type (body_type T))
38190
b02e204b613a get rid of all "optimizations" regarding "unit" and other cardinality-1 types
blanchet
parents: 38188
diff changeset
   845
  | Type (@{type_name prod}, Ts) =>
34936
c4f04bee79f3 some work on Nitpick's support for quotient types;
blanchet
parents: 34126
diff changeset
   846
    boxy = InPair orelse boxy = InFunRHS1 orelse boxy = InFunRHS2 orelse
c4f04bee79f3 some work on Nitpick's support for quotient types;
blanchet
parents: 34126
diff changeset
   847
    ((boxy = InExpr orelse boxy = InFunLHS) andalso
35070
96136eb6218f split "nitpick_hol.ML" into two files to make it more manageable;
blanchet
parents: 34998
diff changeset
   848
     exists (is_boxing_worth_it hol_ctxt InPair)
96136eb6218f split "nitpick_hol.ML" into two files to make it more manageable;
blanchet
parents: 34998
diff changeset
   849
            (map (box_type hol_ctxt InPair) Ts))
33192
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   850
  | _ => false
35280
54ab4921f826 fixed a few bugs in Nitpick and removed unreferenced variables
blanchet
parents: 35220
diff changeset
   851
and should_box_type (hol_ctxt as {thy, boxes, ...}) boxy z =
33192
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   852
  case triple_lookup (type_match thy) boxes (Type z) of
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   853
    SOME (SOME box_me) => box_me
35070
96136eb6218f split "nitpick_hol.ML" into two files to make it more manageable;
blanchet
parents: 34998
diff changeset
   854
  | _ => is_boxing_worth_it hol_ctxt boxy (Type z)
96136eb6218f split "nitpick_hol.ML" into two files to make it more manageable;
blanchet
parents: 34998
diff changeset
   855
and box_type hol_ctxt boxy T =
33192
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   856
  case T of
35665
ff2bf50505ab added "finitize" option to Nitpick + remove dependency on "Coinductive_List"
blanchet
parents: 35625
diff changeset
   857
    Type (z as (@{type_name fun}, [T1, T2])) =>
34936
c4f04bee79f3 some work on Nitpick's support for quotient types;
blanchet
parents: 34126
diff changeset
   858
    if boxy <> InConstr andalso boxy <> InSel andalso
35070
96136eb6218f split "nitpick_hol.ML" into two files to make it more manageable;
blanchet
parents: 34998
diff changeset
   859
       should_box_type hol_ctxt boxy z then
33192
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   860
      Type (@{type_name fun_box},
35070
96136eb6218f split "nitpick_hol.ML" into two files to make it more manageable;
blanchet
parents: 34998
diff changeset
   861
            [box_type hol_ctxt InFunLHS T1, box_type hol_ctxt InFunRHS1 T2])
33192
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   862
    else
35070
96136eb6218f split "nitpick_hol.ML" into two files to make it more manageable;
blanchet
parents: 34998
diff changeset
   863
      box_type hol_ctxt (in_fun_lhs_for boxy) T1
96136eb6218f split "nitpick_hol.ML" into two files to make it more manageable;
blanchet
parents: 34998
diff changeset
   864
      --> box_type hol_ctxt (in_fun_rhs_for boxy) T2
38190
b02e204b613a get rid of all "optimizations" regarding "unit" and other cardinality-1 types
blanchet
parents: 38188
diff changeset
   865
  | Type (z as (@{type_name prod}, Ts)) =>
34982
7b8c366e34a2 added support for nonstandard models to Nitpick (based on an idea by Koen Claessen) and did other fixes to Nitpick
blanchet
parents: 34936
diff changeset
   866
    if boxy <> InConstr andalso boxy <> InSel
35070
96136eb6218f split "nitpick_hol.ML" into two files to make it more manageable;
blanchet
parents: 34998
diff changeset
   867
       andalso should_box_type hol_ctxt boxy z then
96136eb6218f split "nitpick_hol.ML" into two files to make it more manageable;
blanchet
parents: 34998
diff changeset
   868
      Type (@{type_name pair_box}, map (box_type hol_ctxt InSel) Ts)
33192
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   869
    else
38190
b02e204b613a get rid of all "optimizations" regarding "unit" and other cardinality-1 types
blanchet
parents: 38188
diff changeset
   870
      Type (@{type_name prod},
35665
ff2bf50505ab added "finitize" option to Nitpick + remove dependency on "Coinductive_List"
blanchet
parents: 35625
diff changeset
   871
            map (box_type hol_ctxt
34121
5e831d805118 get rid of polymorphic equality in Nitpick's code + a few minor cleanups
blanchet
parents: 33978
diff changeset
   872
                          (if boxy = InConstr orelse boxy = InSel then boxy
5e831d805118 get rid of polymorphic equality in Nitpick's code + a few minor cleanups
blanchet
parents: 33978
diff changeset
   873
                           else InPair)) Ts)
33192
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   874
  | _ => T
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   875
35190
ce653cc27a94 make sure that Nitpick uses binary notation consistently if "binary_ints" is enabled
blanchet
parents: 35181
diff changeset
   876
fun binarize_nat_and_int_in_type @{typ nat} = @{typ "unsigned_bit word"}
ce653cc27a94 make sure that Nitpick uses binary notation consistently if "binary_ints" is enabled
blanchet
parents: 35181
diff changeset
   877
  | binarize_nat_and_int_in_type @{typ int} = @{typ "signed_bit word"}
ce653cc27a94 make sure that Nitpick uses binary notation consistently if "binary_ints" is enabled
blanchet
parents: 35181
diff changeset
   878
  | binarize_nat_and_int_in_type (Type (s, Ts)) =
ce653cc27a94 make sure that Nitpick uses binary notation consistently if "binary_ints" is enabled
blanchet
parents: 35181
diff changeset
   879
    Type (s, map binarize_nat_and_int_in_type Ts)
ce653cc27a94 make sure that Nitpick uses binary notation consistently if "binary_ints" is enabled
blanchet
parents: 35181
diff changeset
   880
  | binarize_nat_and_int_in_type T = T
ce653cc27a94 make sure that Nitpick uses binary notation consistently if "binary_ints" is enabled
blanchet
parents: 35181
diff changeset
   881
val binarize_nat_and_int_in_term = map_types binarize_nat_and_int_in_type
ce653cc27a94 make sure that Nitpick uses binary notation consistently if "binary_ints" is enabled
blanchet
parents: 35181
diff changeset
   882
33192
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   883
fun discr_for_constr (s, T) = (discr_prefix ^ s, body_type T --> bool_T)
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   884
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   885
fun num_sels_for_constr_type T = length (maybe_curried_binder_types T)
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   886
fun nth_sel_name_for_constr_name s n =
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   887
  if s = @{const_name Pair} then
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   888
    if n = 0 then @{const_name fst} else @{const_name snd}
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   889
  else
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   890
    sel_prefix_for n ^ s
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   891
fun nth_sel_for_constr x ~1 = discr_for_constr x
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   892
  | nth_sel_for_constr (s, T) n =
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   893
    (nth_sel_name_for_constr_name s n,
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   894
     body_type T --> nth (maybe_curried_binder_types T) n)
35190
ce653cc27a94 make sure that Nitpick uses binary notation consistently if "binary_ints" is enabled
blanchet
parents: 35181
diff changeset
   895
fun 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: 35181
diff changeset
   896
  apsnd ((binarize ? binarize_nat_and_int_in_type) o box_type hol_ctxt InSel)
ce653cc27a94 make sure that Nitpick uses binary notation consistently if "binary_ints" is enabled
blanchet
parents: 35181
diff changeset
   897
  oo nth_sel_for_constr
33192
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   898
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   899
fun sel_no_from_name s =
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   900
  if String.isPrefix discr_prefix s then
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   901
    ~1
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   902
  else if String.isPrefix sel_prefix s then
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   903
    s |> unprefix sel_prefix |> Int.fromString |> the
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   904
  else if s = @{const_name snd} then
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   905
    1
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   906
  else
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   907
    0
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   908
35078
6fd1052fe463 optimization to quantifiers in Nitpick's handling of simp rules + renamed some SAT solvers
blanchet
parents: 35075
diff changeset
   909
val close_form =
6fd1052fe463 optimization to quantifiers in Nitpick's handling of simp rules + renamed some SAT solvers
blanchet
parents: 35075
diff changeset
   910
  let
6fd1052fe463 optimization to quantifiers in Nitpick's handling of simp rules + renamed some SAT solvers
blanchet
parents: 35075
diff changeset
   911
    fun close_up zs zs' =
6fd1052fe463 optimization to quantifiers in Nitpick's handling of simp rules + renamed some SAT solvers
blanchet
parents: 35075
diff changeset
   912
      fold (fn (z as ((s, _), T)) => fn t' =>
46217
7b19666f0e3d renamed Term.all to Logic.all_const, in accordance to HOLogic.all_const;
wenzelm
parents: 46115
diff changeset
   913
               Logic.all_const T $ Abs (s, T, abstract_over (Var z, t')))
35078
6fd1052fe463 optimization to quantifiers in Nitpick's handling of simp rules + renamed some SAT solvers
blanchet
parents: 35075
diff changeset
   914
           (take (length zs' - length zs) zs')
6fd1052fe463 optimization to quantifiers in Nitpick's handling of simp rules + renamed some SAT solvers
blanchet
parents: 35075
diff changeset
   915
    fun aux zs (@{const "==>"} $ t1 $ t2) =
6fd1052fe463 optimization to quantifiers in Nitpick's handling of simp rules + renamed some SAT solvers
blanchet
parents: 35075
diff changeset
   916
        let val zs' = Term.add_vars t1 zs in
6fd1052fe463 optimization to quantifiers in Nitpick's handling of simp rules + renamed some SAT solvers
blanchet
parents: 35075
diff changeset
   917
          close_up zs zs' (Logic.mk_implies (t1, aux zs' t2))
6fd1052fe463 optimization to quantifiers in Nitpick's handling of simp rules + renamed some SAT solvers
blanchet
parents: 35075
diff changeset
   918
        end
6fd1052fe463 optimization to quantifiers in Nitpick's handling of simp rules + renamed some SAT solvers
blanchet
parents: 35075
diff changeset
   919
      | aux zs t = close_up zs (Term.add_vars t zs) t
6fd1052fe463 optimization to quantifiers in Nitpick's handling of simp rules + renamed some SAT solvers
blanchet
parents: 35075
diff changeset
   920
  in aux [] end
6fd1052fe463 optimization to quantifiers in Nitpick's handling of simp rules + renamed some SAT solvers
blanchet
parents: 35075
diff changeset
   921
33192
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   922
fun distinctness_formula T =
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   923
  all_distinct_unordered_pairs_of
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   924
  #> map (fn (t1, t2) => @{const Not} $ (HOLogic.eq_const T $ t1 $ t2))
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   925
  #> List.foldr (s_conj o swap) @{const True}
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   926
35220
2bcdae5f4fdb added support for nonstandard "nat"s to Nitpick and fixed bugs in binary "nat"s and "int"s
blanchet
parents: 35190
diff changeset
   927
fun zero_const T = Const (@{const_name zero_class.zero}, T)
33192
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   928
fun suc_const T = Const (@{const_name Suc}, T --> T)
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   929
37256
0dca1ec52999 thread along context instead of theory for typedef lookup
blanchet
parents: 37253
diff changeset
   930
fun uncached_datatype_constrs ({thy, ctxt, stds, ...} : hol_context)
35220
2bcdae5f4fdb added support for nonstandard "nat"s to Nitpick and fixed bugs in binary "nat"s and "int"s
blanchet
parents: 35190
diff changeset
   931
                              (T as Type (s, Ts)) =
38240
a44d108a8d39 local versions of Nitpick.register_xxx functions
blanchet
parents: 38215
diff changeset
   932
    (case AList.lookup (op =) (#codatatypes (Data.get (Context.Proof ctxt)))
a44d108a8d39 local versions of Nitpick.register_xxx functions
blanchet
parents: 38215
diff changeset
   933
                       s of
55080
b7c41accbff2 have Nitpick lookup codatatypes
blanchet
parents: 55017
diff changeset
   934
       SOME (_, xs' as (_ :: _)) => map (apsnd (repair_constr_type T)) xs'
33581
e1e77265fb1d added possibility to register datatypes as codatatypes in Nitpick;
blanchet
parents: 33580
diff changeset
   935
     | _ =>
55080
b7c41accbff2 have Nitpick lookup codatatypes
blanchet
parents: 55017
diff changeset
   936
       (case BNF_FP_Def_Sugar.fp_sugar_of ctxt s of
55576
315dd5920114 adapted Nitpick to 'primrec' refactoring
blanchet
parents: 55539
diff changeset
   937
          SOME (fp_sugar as {fp = BNF_Util.Greatest_FP, ...}) =>
55080
b7c41accbff2 have Nitpick lookup codatatypes
blanchet
parents: 55017
diff changeset
   938
          map (apsnd (repair_constr_type T) o dest_Const)
55539
0819931d652d simplified data structure by reducing the incidence of clumsy indices
blanchet
parents: 55414
diff changeset
   939
              (#ctrs (#ctr_sugar fp_sugar))
55080
b7c41accbff2 have Nitpick lookup codatatypes
blanchet
parents: 55017
diff changeset
   940
        | _ =>
b7c41accbff2 have Nitpick lookup codatatypes
blanchet
parents: 55017
diff changeset
   941
          if is_frac_type ctxt T then
b7c41accbff2 have Nitpick lookup codatatypes
blanchet
parents: 55017
diff changeset
   942
            case typedef_info ctxt s of
b7c41accbff2 have Nitpick lookup codatatypes
blanchet
parents: 55017
diff changeset
   943
              SOME {abs_type, rep_type, Abs_name, ...} =>
b7c41accbff2 have Nitpick lookup codatatypes
blanchet
parents: 55017
diff changeset
   944
              [(Abs_name,
b7c41accbff2 have Nitpick lookup codatatypes
blanchet
parents: 55017
diff changeset
   945
                varify_and_instantiate_type ctxt abs_type T rep_type --> T)]
b7c41accbff2 have Nitpick lookup codatatypes
blanchet
parents: 55017
diff changeset
   946
            | NONE => [] (* impossible *)
b7c41accbff2 have Nitpick lookup codatatypes
blanchet
parents: 55017
diff changeset
   947
          else if is_datatype ctxt stds T then
b7c41accbff2 have Nitpick lookup codatatypes
blanchet
parents: 55017
diff changeset
   948
            case Datatype.get_info thy s of
b7c41accbff2 have Nitpick lookup codatatypes
blanchet
parents: 55017
diff changeset
   949
              SOME {index, descr, ...} =>
b7c41accbff2 have Nitpick lookup codatatypes
blanchet
parents: 55017
diff changeset
   950
              let
b7c41accbff2 have Nitpick lookup codatatypes
blanchet
parents: 55017
diff changeset
   951
                val (_, dtyps, constrs) = AList.lookup (op =) descr index |> the
b7c41accbff2 have Nitpick lookup codatatypes
blanchet
parents: 55017
diff changeset
   952
              in
b7c41accbff2 have Nitpick lookup codatatypes
blanchet
parents: 55017
diff changeset
   953
                map (apsnd (fn Us =>
b7c41accbff2 have Nitpick lookup codatatypes
blanchet
parents: 55017
diff changeset
   954
                               map (typ_of_dtyp descr (dtyps ~~ Ts)) Us ---> T))
b7c41accbff2 have Nitpick lookup codatatypes
blanchet
parents: 55017
diff changeset
   955
                    constrs
b7c41accbff2 have Nitpick lookup codatatypes
blanchet
parents: 55017
diff changeset
   956
              end
b7c41accbff2 have Nitpick lookup codatatypes
blanchet
parents: 55017
diff changeset
   957
            | NONE =>
b7c41accbff2 have Nitpick lookup codatatypes
blanchet
parents: 55017
diff changeset
   958
              if is_record_type T then
b7c41accbff2 have Nitpick lookup codatatypes
blanchet
parents: 55017
diff changeset
   959
                let
b7c41accbff2 have Nitpick lookup codatatypes
blanchet
parents: 55017
diff changeset
   960
                  val s' = unsuffix Record.ext_typeN s ^ Record.extN
b7c41accbff2 have Nitpick lookup codatatypes
blanchet
parents: 55017
diff changeset
   961
                  val T' = (Record.get_extT_fields thy T
b7c41accbff2 have Nitpick lookup codatatypes
blanchet
parents: 55017
diff changeset
   962
                           |> apsnd single |> uncurry append |> map snd) ---> T
b7c41accbff2 have Nitpick lookup codatatypes
blanchet
parents: 55017
diff changeset
   963
                in [(s', T')] end
b7c41accbff2 have Nitpick lookup codatatypes
blanchet
parents: 55017
diff changeset
   964
              else if is_real_quot_type ctxt T then
b7c41accbff2 have Nitpick lookup codatatypes
blanchet
parents: 55017
diff changeset
   965
                [(@{const_name Quot}, rep_type_for_quot_type ctxt T --> T)]
b7c41accbff2 have Nitpick lookup codatatypes
blanchet
parents: 55017
diff changeset
   966
              else case typedef_info ctxt s of
b7c41accbff2 have Nitpick lookup codatatypes
blanchet
parents: 55017
diff changeset
   967
                SOME {abs_type, rep_type, Abs_name, ...} =>
b7c41accbff2 have Nitpick lookup codatatypes
blanchet
parents: 55017
diff changeset
   968
                [(Abs_name,
b7c41accbff2 have Nitpick lookup codatatypes
blanchet
parents: 55017
diff changeset
   969
                  varify_and_instantiate_type ctxt abs_type T rep_type --> T)]
b7c41accbff2 have Nitpick lookup codatatypes
blanchet
parents: 55017
diff changeset
   970
              | NONE =>
b7c41accbff2 have Nitpick lookup codatatypes
blanchet
parents: 55017
diff changeset
   971
                if T = @{typ ind} then
b7c41accbff2 have Nitpick lookup codatatypes
blanchet
parents: 55017
diff changeset
   972
                  [dest_Const @{const Zero_Rep}, dest_Const @{const Suc_Rep}]
b7c41accbff2 have Nitpick lookup codatatypes
blanchet
parents: 55017
diff changeset
   973
                else
b7c41accbff2 have Nitpick lookup codatatypes
blanchet
parents: 55017
diff changeset
   974
                  []
b7c41accbff2 have Nitpick lookup codatatypes
blanchet
parents: 55017
diff changeset
   975
          else
b7c41accbff2 have Nitpick lookup codatatypes
blanchet
parents: 55017
diff changeset
   976
            []))
33580
45c33e97cb86 added datatype constructor cache in Nitpick (to speed up the scope enumeration) and never test more than 4096 scopes
blanchet
parents: 33578
diff changeset
   977
  | uncached_datatype_constrs _ _ = []
35220
2bcdae5f4fdb added support for nonstandard "nat"s to Nitpick and fixed bugs in binary "nat"s and "int"s
blanchet
parents: 35190
diff changeset
   978
fun datatype_constrs (hol_ctxt as {constr_cache, ...}) T =
33580
45c33e97cb86 added datatype constructor cache in Nitpick (to speed up the scope enumeration) and never test more than 4096 scopes
blanchet
parents: 33578
diff changeset
   979
  case AList.lookup (op =) (!constr_cache) T of
45c33e97cb86 added datatype constructor cache in Nitpick (to speed up the scope enumeration) and never test more than 4096 scopes
blanchet
parents: 33578
diff changeset
   980
    SOME xs => xs
45c33e97cb86 added datatype constructor cache in Nitpick (to speed up the scope enumeration) and never test more than 4096 scopes
blanchet
parents: 33578
diff changeset
   981
  | NONE =>
35220
2bcdae5f4fdb added support for nonstandard "nat"s to Nitpick and fixed bugs in binary "nat"s and "int"s
blanchet
parents: 35190
diff changeset
   982
    let val xs = uncached_datatype_constrs hol_ctxt T in
33580
45c33e97cb86 added datatype constructor cache in Nitpick (to speed up the scope enumeration) and never test more than 4096 scopes
blanchet
parents: 33578
diff changeset
   983
      (Unsynchronized.change constr_cache (cons (T, xs)); xs)
45c33e97cb86 added datatype constructor cache in Nitpick (to speed up the scope enumeration) and never test more than 4096 scopes
blanchet
parents: 33578
diff changeset
   984
    end
35190
ce653cc27a94 make sure that Nitpick uses binary notation consistently if "binary_ints" is enabled
blanchet
parents: 35181
diff changeset
   985
fun binarized_and_boxed_datatype_constrs hol_ctxt binarize =
ce653cc27a94 make sure that Nitpick uses binary notation consistently if "binary_ints" is enabled
blanchet
parents: 35181
diff changeset
   986
  map (apsnd ((binarize ? binarize_nat_and_int_in_type)
ce653cc27a94 make sure that Nitpick uses binary notation consistently if "binary_ints" is enabled
blanchet
parents: 35181
diff changeset
   987
              o box_type hol_ctxt InConstr)) o datatype_constrs hol_ctxt
33192
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   988
val num_datatype_constrs = length oo datatype_constrs
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   989
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   990
fun constr_name_for_sel_like @{const_name fst} = @{const_name Pair}
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   991
  | constr_name_for_sel_like @{const_name snd} = @{const_name Pair}
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   992
  | constr_name_for_sel_like s' = original_name s'
35190
ce653cc27a94 make sure that Nitpick uses binary notation consistently if "binary_ints" is enabled
blanchet
parents: 35181
diff changeset
   993
fun binarized_and_boxed_constr_for_sel hol_ctxt binarize (s', T') =
33192
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   994
  let val s = constr_name_for_sel_like s' in
35190
ce653cc27a94 make sure that Nitpick uses binary notation consistently if "binary_ints" is enabled
blanchet
parents: 35181
diff changeset
   995
    AList.lookup (op =)
ce653cc27a94 make sure that Nitpick uses binary notation consistently if "binary_ints" is enabled
blanchet
parents: 35181
diff changeset
   996
        (binarized_and_boxed_datatype_constrs hol_ctxt binarize (domain_type T'))
ce653cc27a94 make sure that Nitpick uses binary notation consistently if "binary_ints" is enabled
blanchet
parents: 35181
diff changeset
   997
        s
33192
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   998
    |> the |> pair s
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   999
  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: 34936
diff changeset
  1000
41860
49d0fc8c418c improved "is_special_eligible_arg" further, by approximating the cardinality of the argument (as is done quite successfully elsewhere)
blanchet
parents: 41859
diff changeset
  1001
fun card_of_type assigns (Type (@{type_name fun}, [T1, T2])) =
49d0fc8c418c improved "is_special_eligible_arg" further, by approximating the cardinality of the argument (as is done quite successfully elsewhere)
blanchet
parents: 41859
diff changeset
  1002
    reasonable_power (card_of_type assigns T2) (card_of_type assigns T1)
49d0fc8c418c improved "is_special_eligible_arg" further, by approximating the cardinality of the argument (as is done quite successfully elsewhere)
blanchet
parents: 41859
diff changeset
  1003
  | card_of_type assigns (Type (@{type_name prod}, [T1, T2])) =
49d0fc8c418c improved "is_special_eligible_arg" further, by approximating the cardinality of the argument (as is done quite successfully elsewhere)
blanchet
parents: 41859
diff changeset
  1004
    card_of_type assigns T1 * card_of_type assigns T2
46083
efeaa79f021b port part of Nitpick to "set" type constructor
blanchet
parents: 46081
diff changeset
  1005
  | card_of_type assigns (Type (@{type_name set}, [T'])) =
efeaa79f021b port part of Nitpick to "set" type constructor
blanchet
parents: 46081
diff changeset
  1006
    reasonable_power 2 (card_of_type assigns T')
41860
49d0fc8c418c improved "is_special_eligible_arg" further, by approximating the cardinality of the argument (as is done quite successfully elsewhere)
blanchet
parents: 41859
diff changeset
  1007
  | card_of_type _ (Type (@{type_name itself}, _)) = 1
49d0fc8c418c improved "is_special_eligible_arg" further, by approximating the cardinality of the argument (as is done quite successfully elsewhere)
blanchet
parents: 41859
diff changeset
  1008
  | card_of_type _ @{typ prop} = 2
49d0fc8c418c improved "is_special_eligible_arg" further, by approximating the cardinality of the argument (as is done quite successfully elsewhere)
blanchet
parents: 41859
diff changeset
  1009
  | card_of_type _ @{typ bool} = 2
49d0fc8c418c improved "is_special_eligible_arg" further, by approximating the cardinality of the argument (as is done quite successfully elsewhere)
blanchet
parents: 41859
diff changeset
  1010
  | card_of_type assigns T =
49d0fc8c418c improved "is_special_eligible_arg" further, by approximating the cardinality of the argument (as is done quite successfully elsewhere)
blanchet
parents: 41859
diff changeset
  1011
    case AList.lookup (op =) assigns T of
49d0fc8c418c improved "is_special_eligible_arg" further, by approximating the cardinality of the argument (as is done quite successfully elsewhere)
blanchet
parents: 41859
diff changeset
  1012
      SOME k => k
49d0fc8c418c improved "is_special_eligible_arg" further, by approximating the cardinality of the argument (as is done quite successfully elsewhere)
blanchet
parents: 41859
diff changeset
  1013
    | NONE => if T = @{typ bisim_iterator} then 0
49d0fc8c418c improved "is_special_eligible_arg" further, by approximating the cardinality of the argument (as is done quite successfully elsewhere)
blanchet
parents: 41859
diff changeset
  1014
              else raise TYPE ("Nitpick_HOL.card_of_type", [T], [])
49d0fc8c418c improved "is_special_eligible_arg" further, by approximating the cardinality of the argument (as is done quite successfully elsewhere)
blanchet
parents: 41859
diff changeset
  1015
49d0fc8c418c improved "is_special_eligible_arg" further, by approximating the cardinality of the argument (as is done quite successfully elsewhere)
blanchet
parents: 41859
diff changeset
  1016
fun bounded_card_of_type max default_card assigns
49d0fc8c418c improved "is_special_eligible_arg" further, by approximating the cardinality of the argument (as is done quite successfully elsewhere)
blanchet
parents: 41859
diff changeset
  1017
                         (Type (@{type_name fun}, [T1, T2])) =
49d0fc8c418c improved "is_special_eligible_arg" further, by approximating the cardinality of the argument (as is done quite successfully elsewhere)
blanchet
parents: 41859
diff changeset
  1018
    let
49d0fc8c418c improved "is_special_eligible_arg" further, by approximating the cardinality of the argument (as is done quite successfully elsewhere)
blanchet
parents: 41859
diff changeset
  1019
      val k1 = bounded_card_of_type max default_card assigns T1
49d0fc8c418c improved "is_special_eligible_arg" further, by approximating the cardinality of the argument (as is done quite successfully elsewhere)
blanchet
parents: 41859
diff changeset
  1020
      val k2 = bounded_card_of_type max default_card assigns T2
49d0fc8c418c improved "is_special_eligible_arg" further, by approximating the cardinality of the argument (as is done quite successfully elsewhere)
blanchet
parents: 41859
diff changeset
  1021
    in
49d0fc8c418c improved "is_special_eligible_arg" further, by approximating the cardinality of the argument (as is done quite successfully elsewhere)
blanchet
parents: 41859
diff changeset
  1022
      if k1 = max orelse k2 = max then max
49d0fc8c418c improved "is_special_eligible_arg" further, by approximating the cardinality of the argument (as is done quite successfully elsewhere)
blanchet
parents: 41859
diff changeset
  1023
      else Int.min (max, reasonable_power k2 k1)
47668
13da7b50e9a5 more meaningful default value
blanchet
parents: 47667
diff changeset
  1024
      handle TOO_LARGE _ => max
41860
49d0fc8c418c improved "is_special_eligible_arg" further, by approximating the cardinality of the argument (as is done quite successfully elsewhere)
blanchet
parents: 41859
diff changeset
  1025
    end
49d0fc8c418c improved "is_special_eligible_arg" further, by approximating the cardinality of the argument (as is done quite successfully elsewhere)
blanchet
parents: 41859
diff changeset
  1026
  | bounded_card_of_type max default_card assigns
49d0fc8c418c improved "is_special_eligible_arg" further, by approximating the cardinality of the argument (as is done quite successfully elsewhere)
blanchet
parents: 41859
diff changeset
  1027
                         (Type (@{type_name prod}, [T1, T2])) =
49d0fc8c418c improved "is_special_eligible_arg" further, by approximating the cardinality of the argument (as is done quite successfully elsewhere)
blanchet
parents: 41859
diff changeset
  1028
    let
49d0fc8c418c improved "is_special_eligible_arg" further, by approximating the cardinality of the argument (as is done quite successfully elsewhere)
blanchet
parents: 41859
diff changeset
  1029
      val k1 = bounded_card_of_type max default_card assigns T1
49d0fc8c418c improved "is_special_eligible_arg" further, by approximating the cardinality of the argument (as is done quite successfully elsewhere)
blanchet
parents: 41859
diff changeset
  1030
      val k2 = bounded_card_of_type max default_card assigns T2
49d0fc8c418c improved "is_special_eligible_arg" further, by approximating the cardinality of the argument (as is done quite successfully elsewhere)
blanchet
parents: 41859
diff changeset
  1031
    in if k1 = max orelse k2 = max then max else Int.min (max, k1 * k2) end
46083
efeaa79f021b port part of Nitpick to "set" type constructor
blanchet
parents: 46081
diff changeset
  1032
  | bounded_card_of_type max default_card assigns
efeaa79f021b port part of Nitpick to "set" type constructor
blanchet
parents: 46081
diff changeset
  1033
                         (Type (@{type_name set}, [T'])) =
efeaa79f021b port part of Nitpick to "set" type constructor
blanchet
parents: 46081
diff changeset
  1034
    bounded_card_of_type max default_card assigns (T' --> bool_T)
41860
49d0fc8c418c improved "is_special_eligible_arg" further, by approximating the cardinality of the argument (as is done quite successfully elsewhere)
blanchet
parents: 41859
diff changeset
  1035
  | bounded_card_of_type max default_card assigns T =
49d0fc8c418c improved "is_special_eligible_arg" further, by approximating the cardinality of the argument (as is done quite successfully elsewhere)
blanchet
parents: 41859
diff changeset
  1036
    Int.min (max, if default_card = ~1 then
49d0fc8c418c improved "is_special_eligible_arg" further, by approximating the cardinality of the argument (as is done quite successfully elsewhere)
blanchet
parents: 41859
diff changeset
  1037
                    card_of_type assigns T
49d0fc8c418c improved "is_special_eligible_arg" further, by approximating the cardinality of the argument (as is done quite successfully elsewhere)
blanchet
parents: 41859
diff changeset
  1038
                  else
49d0fc8c418c improved "is_special_eligible_arg" further, by approximating the cardinality of the argument (as is done quite successfully elsewhere)
blanchet
parents: 41859
diff changeset
  1039
                    card_of_type assigns T
49d0fc8c418c improved "is_special_eligible_arg" further, by approximating the cardinality of the argument (as is done quite successfully elsewhere)
blanchet
parents: 41859
diff changeset
  1040
                    handle TYPE ("Nitpick_HOL.card_of_type", _, _) =>
49d0fc8c418c improved "is_special_eligible_arg" further, by approximating the cardinality of the argument (as is done quite successfully elsewhere)
blanchet
parents: 41859
diff changeset
  1041
                           default_card)
49d0fc8c418c improved "is_special_eligible_arg" further, by approximating the cardinality of the argument (as is done quite successfully elsewhere)
blanchet
parents: 41859
diff changeset
  1042
46320
0b8b73b49848 renamed two files to make room for a new file
blanchet
parents: 46244
diff changeset
  1043
(* Similar to "ATP_Util.tiny_card_of_type". *)
41860
49d0fc8c418c improved "is_special_eligible_arg" further, by approximating the cardinality of the argument (as is done quite successfully elsewhere)
blanchet
parents: 41859
diff changeset
  1044
fun bounded_exact_card_of_type hol_ctxt finitizable_dataTs max default_card
49d0fc8c418c improved "is_special_eligible_arg" further, by approximating the cardinality of the argument (as is done quite successfully elsewhere)
blanchet
parents: 41859
diff changeset
  1045
                               assigns T =
49d0fc8c418c improved "is_special_eligible_arg" further, by approximating the cardinality of the argument (as is done quite successfully elsewhere)
blanchet
parents: 41859
diff changeset
  1046
  let
49d0fc8c418c improved "is_special_eligible_arg" further, by approximating the cardinality of the argument (as is done quite successfully elsewhere)
blanchet
parents: 41859
diff changeset
  1047
    fun aux avoid T =
49d0fc8c418c improved "is_special_eligible_arg" further, by approximating the cardinality of the argument (as is done quite successfully elsewhere)
blanchet
parents: 41859
diff changeset
  1048
      (if member (op =) avoid T then
49d0fc8c418c improved "is_special_eligible_arg" further, by approximating the cardinality of the argument (as is done quite successfully elsewhere)
blanchet
parents: 41859
diff changeset
  1049
         0
49d0fc8c418c improved "is_special_eligible_arg" further, by approximating the cardinality of the argument (as is done quite successfully elsewhere)
blanchet
parents: 41859
diff changeset
  1050
       else if member (op =) finitizable_dataTs T then
49d0fc8c418c improved "is_special_eligible_arg" further, by approximating the cardinality of the argument (as is done quite successfully elsewhere)
blanchet
parents: 41859
diff changeset
  1051
         raise SAME ()
49d0fc8c418c improved "is_special_eligible_arg" further, by approximating the cardinality of the argument (as is done quite successfully elsewhere)
blanchet
parents: 41859
diff changeset
  1052
       else case T of
49d0fc8c418c improved "is_special_eligible_arg" further, by approximating the cardinality of the argument (as is done quite successfully elsewhere)
blanchet
parents: 41859
diff changeset
  1053
         Type (@{type_name fun}, [T1, T2]) =>
42679
223f01b32f17 [mq]: nitpick_tuning
blanchet
parents: 42678
diff changeset
  1054
         (case (aux avoid T1, aux avoid T2) of
223f01b32f17 [mq]: nitpick_tuning
blanchet
parents: 42678
diff changeset
  1055
            (_, 1) => 1
223f01b32f17 [mq]: nitpick_tuning
blanchet
parents: 42678
diff changeset
  1056
          | (0, _) => 0
223f01b32f17 [mq]: nitpick_tuning
blanchet
parents: 42678
diff changeset
  1057
          | (_, 0) => 0
223f01b32f17 [mq]: nitpick_tuning
blanchet
parents: 42678
diff changeset
  1058
          | (k1, k2) =>
223f01b32f17 [mq]: nitpick_tuning
blanchet
parents: 42678
diff changeset
  1059
            if k1 >= max orelse k2 >= max then max
223f01b32f17 [mq]: nitpick_tuning
blanchet
parents: 42678
diff changeset
  1060
            else Int.min (max, reasonable_power k2 k1))
41860
49d0fc8c418c improved "is_special_eligible_arg" further, by approximating the cardinality of the argument (as is done quite successfully elsewhere)
blanchet
parents: 41859
diff changeset
  1061
       | Type (@{type_name prod}, [T1, T2]) =>
42679
223f01b32f17 [mq]: nitpick_tuning
blanchet
parents: 42678
diff changeset
  1062
         (case (aux avoid T1, aux avoid T2) of
223f01b32f17 [mq]: nitpick_tuning
blanchet
parents: 42678
diff changeset
  1063
            (0, _) => 0
223f01b32f17 [mq]: nitpick_tuning
blanchet
parents: 42678
diff changeset
  1064
          | (_, 0) => 0
223f01b32f17 [mq]: nitpick_tuning
blanchet
parents: 42678
diff changeset
  1065
          | (k1, k2) =>
223f01b32f17 [mq]: nitpick_tuning
blanchet
parents: 42678
diff changeset
  1066
            if k1 >= max orelse k2 >= max then max
223f01b32f17 [mq]: nitpick_tuning
blanchet
parents: 42678
diff changeset
  1067
            else Int.min (max, k1 * k2))
46083
efeaa79f021b port part of Nitpick to "set" type constructor
blanchet
parents: 46081
diff changeset
  1068
       | Type (@{type_name set}, [T']) => aux avoid (T' --> bool_T)
41860
49d0fc8c418c improved "is_special_eligible_arg" further, by approximating the cardinality of the argument (as is done quite successfully elsewhere)
blanchet
parents: 41859
diff changeset
  1069
       | Type (@{type_name itself}, _) => 1
49d0fc8c418c improved "is_special_eligible_arg" further, by approximating the cardinality of the argument (as is done quite successfully elsewhere)
blanchet
parents: 41859
diff changeset
  1070
       | @{typ prop} => 2
49d0fc8c418c improved "is_special_eligible_arg" further, by approximating the cardinality of the argument (as is done quite successfully elsewhere)
blanchet
parents: 41859
diff changeset
  1071
       | @{typ bool} => 2
49d0fc8c418c improved "is_special_eligible_arg" further, by approximating the cardinality of the argument (as is done quite successfully elsewhere)
blanchet
parents: 41859
diff changeset
  1072
       | Type _ =>
49d0fc8c418c improved "is_special_eligible_arg" further, by approximating the cardinality of the argument (as is done quite successfully elsewhere)
blanchet
parents: 41859
diff changeset
  1073
         (case datatype_constrs hol_ctxt T of
49d0fc8c418c improved "is_special_eligible_arg" further, by approximating the cardinality of the argument (as is done quite successfully elsewhere)
blanchet
parents: 41859
diff changeset
  1074
            [] => if is_integer_type T orelse is_bit_type T then 0
49d0fc8c418c improved "is_special_eligible_arg" further, by approximating the cardinality of the argument (as is done quite successfully elsewhere)
blanchet
parents: 41859
diff changeset
  1075
                  else raise SAME ()
49d0fc8c418c improved "is_special_eligible_arg" further, by approximating the cardinality of the argument (as is done quite successfully elsewhere)
blanchet
parents: 41859
diff changeset
  1076
          | constrs =>
49d0fc8c418c improved "is_special_eligible_arg" further, by approximating the cardinality of the argument (as is done quite successfully elsewhere)
blanchet
parents: 41859
diff changeset
  1077
            let
49d0fc8c418c improved "is_special_eligible_arg" further, by approximating the cardinality of the argument (as is done quite successfully elsewhere)
blanchet
parents: 41859
diff changeset
  1078
              val constr_cards =
49d0fc8c418c improved "is_special_eligible_arg" further, by approximating the cardinality of the argument (as is done quite successfully elsewhere)
blanchet
parents: 41859
diff changeset
  1079
                map (Integer.prod o map (aux (T :: avoid)) o binder_types o snd)
49d0fc8c418c improved "is_special_eligible_arg" further, by approximating the cardinality of the argument (as is done quite successfully elsewhere)
blanchet
parents: 41859
diff changeset
  1080
                    constrs
49d0fc8c418c improved "is_special_eligible_arg" further, by approximating the cardinality of the argument (as is done quite successfully elsewhere)
blanchet
parents: 41859
diff changeset
  1081
            in
49d0fc8c418c improved "is_special_eligible_arg" further, by approximating the cardinality of the argument (as is done quite successfully elsewhere)
blanchet
parents: 41859
diff changeset
  1082
              if exists (curry (op =) 0) constr_cards then 0
42679
223f01b32f17 [mq]: nitpick_tuning
blanchet
parents: 42678
diff changeset
  1083
              else Int.min (max, Integer.sum constr_cards)
41860
49d0fc8c418c improved "is_special_eligible_arg" further, by approximating the cardinality of the argument (as is done quite successfully elsewhere)
blanchet
parents: 41859
diff changeset
  1084
            end)
49d0fc8c418c improved "is_special_eligible_arg" further, by approximating the cardinality of the argument (as is done quite successfully elsewhere)
blanchet
parents: 41859
diff changeset
  1085
       | _ => raise SAME ())
49d0fc8c418c improved "is_special_eligible_arg" further, by approximating the cardinality of the argument (as is done quite successfully elsewhere)
blanchet
parents: 41859
diff changeset
  1086
      handle SAME () =>
49d0fc8c418c improved "is_special_eligible_arg" further, by approximating the cardinality of the argument (as is done quite successfully elsewhere)
blanchet
parents: 41859
diff changeset
  1087
             AList.lookup (op =) assigns T |> the_default default_card
49d0fc8c418c improved "is_special_eligible_arg" further, by approximating the cardinality of the argument (as is done quite successfully elsewhere)
blanchet
parents: 41859
diff changeset
  1088
  in Int.min (max, aux [] T) end
49d0fc8c418c improved "is_special_eligible_arg" further, by approximating the cardinality of the argument (as is done quite successfully elsewhere)
blanchet
parents: 41859
diff changeset
  1089
49d0fc8c418c improved "is_special_eligible_arg" further, by approximating the cardinality of the argument (as is done quite successfully elsewhere)
blanchet
parents: 41859
diff changeset
  1090
val typical_atomic_card = 4
41898
55d981e1232a improved formula for specialization, to prevent needless specializations -- and removed dead code
blanchet
parents: 41876
diff changeset
  1091
val typical_card_of_type = bounded_card_of_type 16777217 typical_atomic_card []
41860
49d0fc8c418c improved "is_special_eligible_arg" further, by approximating the cardinality of the argument (as is done quite successfully elsewhere)
blanchet
parents: 41859
diff changeset
  1092
49d0fc8c418c improved "is_special_eligible_arg" further, by approximating the cardinality of the argument (as is done quite successfully elsewhere)
blanchet
parents: 41859
diff changeset
  1093
fun is_finite_type hol_ctxt T =
49d0fc8c418c improved "is_special_eligible_arg" further, by approximating the cardinality of the argument (as is done quite successfully elsewhere)
blanchet
parents: 41859
diff changeset
  1094
  bounded_exact_card_of_type hol_ctxt [] 1 2 [] T > 0
49d0fc8c418c improved "is_special_eligible_arg" further, by approximating the cardinality of the argument (as is done quite successfully elsewhere)
blanchet
parents: 41859
diff changeset
  1095
49d0fc8c418c improved "is_special_eligible_arg" further, by approximating the cardinality of the argument (as is done quite successfully elsewhere)
blanchet
parents: 41859
diff changeset
  1096
fun is_special_eligible_arg strict Ts t =
49d0fc8c418c improved "is_special_eligible_arg" further, by approximating the cardinality of the argument (as is done quite successfully elsewhere)
blanchet
parents: 41859
diff changeset
  1097
  case map snd (Term.add_vars t []) @ map (nth Ts) (loose_bnos t) of
49d0fc8c418c improved "is_special_eligible_arg" further, by approximating the cardinality of the argument (as is done quite successfully elsewhere)
blanchet
parents: 41859
diff changeset
  1098
    [] => true
49d0fc8c418c improved "is_special_eligible_arg" further, by approximating the cardinality of the argument (as is done quite successfully elsewhere)
blanchet
parents: 41859
diff changeset
  1099
  | bad_Ts =>
49d0fc8c418c improved "is_special_eligible_arg" further, by approximating the cardinality of the argument (as is done quite successfully elsewhere)
blanchet
parents: 41859
diff changeset
  1100
    let
41898
55d981e1232a improved formula for specialization, to prevent needless specializations -- and removed dead code
blanchet
parents: 41876
diff changeset
  1101
      val bad_Ts_cost =
55d981e1232a improved formula for specialization, to prevent needless specializations -- and removed dead code
blanchet
parents: 41876
diff changeset
  1102
        if strict then fold (curry (op *) o typical_card_of_type) bad_Ts 1
55d981e1232a improved formula for specialization, to prevent needless specializations -- and removed dead code
blanchet
parents: 41876
diff changeset
  1103
        else fold (Integer.max o typical_card_of_type) bad_Ts 0
41860
49d0fc8c418c improved "is_special_eligible_arg" further, by approximating the cardinality of the argument (as is done quite successfully elsewhere)
blanchet
parents: 41859
diff changeset
  1104
      val T_cost = typical_card_of_type (fastype_of1 (Ts, t))
49d0fc8c418c improved "is_special_eligible_arg" further, by approximating the cardinality of the argument (as is done quite successfully elsewhere)
blanchet
parents: 41859
diff changeset
  1105
    in (bad_Ts_cost, T_cost) |> (if strict then op < else op <=) end
49d0fc8c418c improved "is_special_eligible_arg" further, by approximating the cardinality of the argument (as is done quite successfully elsewhere)
blanchet
parents: 41859
diff changeset
  1106
49d0fc8c418c improved "is_special_eligible_arg" further, by approximating the cardinality of the argument (as is done quite successfully elsewhere)
blanchet
parents: 41859
diff changeset
  1107
fun abs_var ((s, j), T) body = Abs (s, T, abstract_over (Var ((s, j), T), body))
49d0fc8c418c improved "is_special_eligible_arg" further, by approximating the cardinality of the argument (as is done quite successfully elsewhere)
blanchet
parents: 41859
diff changeset
  1108
49d0fc8c418c improved "is_special_eligible_arg" further, by approximating the cardinality of the argument (as is done quite successfully elsewhere)
blanchet
parents: 41859
diff changeset
  1109
fun let_var s = (nitpick_prefix ^ s, 999)
49d0fc8c418c improved "is_special_eligible_arg" further, by approximating the cardinality of the argument (as is done quite successfully elsewhere)
blanchet
parents: 41859
diff changeset
  1110
val let_inline_threshold = 20
49d0fc8c418c improved "is_special_eligible_arg" further, by approximating the cardinality of the argument (as is done quite successfully elsewhere)
blanchet
parents: 41859
diff changeset
  1111
49d0fc8c418c improved "is_special_eligible_arg" further, by approximating the cardinality of the argument (as is done quite successfully elsewhere)
blanchet
parents: 41859
diff changeset
  1112
fun s_let Ts s n abs_T body_T f t =
49d0fc8c418c improved "is_special_eligible_arg" further, by approximating the cardinality of the argument (as is done quite successfully elsewhere)
blanchet
parents: 41859
diff changeset
  1113
  if (n - 1) * (size_of_term t - 1) <= let_inline_threshold orelse
49d0fc8c418c improved "is_special_eligible_arg" further, by approximating the cardinality of the argument (as is done quite successfully elsewhere)
blanchet
parents: 41859
diff changeset
  1114
     is_special_eligible_arg false Ts t then
49d0fc8c418c improved "is_special_eligible_arg" further, by approximating the cardinality of the argument (as is done quite successfully elsewhere)
blanchet
parents: 41859
diff changeset
  1115
    f t
49d0fc8c418c improved "is_special_eligible_arg" further, by approximating the cardinality of the argument (as is done quite successfully elsewhere)
blanchet
parents: 41859
diff changeset
  1116
  else
49d0fc8c418c improved "is_special_eligible_arg" further, by approximating the cardinality of the argument (as is done quite successfully elsewhere)
blanchet
parents: 41859
diff changeset
  1117
    let val z = (let_var s, abs_T) in
49d0fc8c418c improved "is_special_eligible_arg" further, by approximating the cardinality of the argument (as is done quite successfully elsewhere)
blanchet
parents: 41859
diff changeset
  1118
      Const (@{const_name Let}, abs_T --> (abs_T --> body_T) --> body_T)
49d0fc8c418c improved "is_special_eligible_arg" further, by approximating the cardinality of the argument (as is done quite successfully elsewhere)
blanchet
parents: 41859
diff changeset
  1119
      $ t $ abs_var z (incr_boundvars 1 (f (Var z)))
49d0fc8c418c improved "is_special_eligible_arg" further, by approximating the cardinality of the argument (as is done quite successfully elsewhere)
blanchet
parents: 41859
diff changeset
  1120
    end
49d0fc8c418c improved "is_special_eligible_arg" further, by approximating the cardinality of the argument (as is done quite successfully elsewhere)
blanchet
parents: 41859
diff changeset
  1121
49d0fc8c418c improved "is_special_eligible_arg" further, by approximating the cardinality of the argument (as is done quite successfully elsewhere)
blanchet
parents: 41859
diff changeset
  1122
fun loose_bvar1_count (Bound i, k) = if i = k then 1 else 0
49d0fc8c418c improved "is_special_eligible_arg" further, by approximating the cardinality of the argument (as is done quite successfully elsewhere)
blanchet
parents: 41859
diff changeset
  1123
  | loose_bvar1_count (t1 $ t2, k) =
49d0fc8c418c improved "is_special_eligible_arg" further, by approximating the cardinality of the argument (as is done quite successfully elsewhere)
blanchet
parents: 41859
diff changeset
  1124
    loose_bvar1_count (t1, k) + loose_bvar1_count (t2, k)
49d0fc8c418c improved "is_special_eligible_arg" further, by approximating the cardinality of the argument (as is done quite successfully elsewhere)
blanchet
parents: 41859
diff changeset
  1125
  | loose_bvar1_count (Abs (_, _, t), k) = loose_bvar1_count (t, k + 1)
49d0fc8c418c improved "is_special_eligible_arg" further, by approximating the cardinality of the argument (as is done quite successfully elsewhere)
blanchet
parents: 41859
diff changeset
  1126
  | loose_bvar1_count _ = 0
49d0fc8c418c improved "is_special_eligible_arg" further, by approximating the cardinality of the argument (as is done quite successfully elsewhere)
blanchet
parents: 41859
diff changeset
  1127
42414
9465651c0db7 optimize trivial equalities early in Nitpick -- it shouldn't be the job of the peephole optimizer
blanchet
parents: 42361
diff changeset
  1128
fun s_betapply _ (t1 as Const (@{const_name "=="}, _) $ t1', t2) =
9465651c0db7 optimize trivial equalities early in Nitpick -- it shouldn't be the job of the peephole optimizer
blanchet
parents: 42361
diff changeset
  1129
    if t1' aconv t2 then @{prop True} else t1 $ t2
9465651c0db7 optimize trivial equalities early in Nitpick -- it shouldn't be the job of the peephole optimizer
blanchet
parents: 42361
diff changeset
  1130
  | s_betapply _ (t1 as Const (@{const_name HOL.eq}, _) $ t1', t2) =
9465651c0db7 optimize trivial equalities early in Nitpick -- it shouldn't be the job of the peephole optimizer
blanchet
parents: 42361
diff changeset
  1131
    if t1' aconv t2 then @{term True} else t1 $ t2
9465651c0db7 optimize trivial equalities early in Nitpick -- it shouldn't be the job of the peephole optimizer
blanchet
parents: 42361
diff changeset
  1132
  | s_betapply _ (Const (@{const_name If}, _) $ @{const True} $ t1', _) = t1'
41860
49d0fc8c418c improved "is_special_eligible_arg" further, by approximating the cardinality of the argument (as is done quite successfully elsewhere)
blanchet
parents: 41859
diff changeset
  1133
  | s_betapply _ (Const (@{const_name If}, _) $ @{const False} $ _, t2) = t2
49d0fc8c418c improved "is_special_eligible_arg" further, by approximating the cardinality of the argument (as is done quite successfully elsewhere)
blanchet
parents: 41859
diff changeset
  1134
  | s_betapply Ts (Const (@{const_name Let},
49d0fc8c418c improved "is_special_eligible_arg" further, by approximating the cardinality of the argument (as is done quite successfully elsewhere)
blanchet
parents: 41859
diff changeset
  1135
                          Type (_, [bound_T, Type (_, [_, body_T])]))
49d0fc8c418c improved "is_special_eligible_arg" further, by approximating the cardinality of the argument (as is done quite successfully elsewhere)
blanchet
parents: 41859
diff changeset
  1136
                   $ t12 $ Abs (s, T, t13'), t2) =
49d0fc8c418c improved "is_special_eligible_arg" further, by approximating the cardinality of the argument (as is done quite successfully elsewhere)
blanchet
parents: 41859
diff changeset
  1137
    let val body_T' = range_type body_T in
49d0fc8c418c improved "is_special_eligible_arg" further, by approximating the cardinality of the argument (as is done quite successfully elsewhere)
blanchet
parents: 41859
diff changeset
  1138
      Const (@{const_name Let}, bound_T --> (bound_T --> body_T') --> body_T')
49d0fc8c418c improved "is_special_eligible_arg" further, by approximating the cardinality of the argument (as is done quite successfully elsewhere)
blanchet
parents: 41859
diff changeset
  1139
      $ t12 $ Abs (s, T, s_betapply (T :: Ts) (t13', incr_boundvars 1 t2))
49d0fc8c418c improved "is_special_eligible_arg" further, by approximating the cardinality of the argument (as is done quite successfully elsewhere)
blanchet
parents: 41859
diff changeset
  1140
    end
49d0fc8c418c improved "is_special_eligible_arg" further, by approximating the cardinality of the argument (as is done quite successfully elsewhere)
blanchet
parents: 41859
diff changeset
  1141
  | s_betapply Ts (t1 as Abs (s1, T1, t1'), t2) =
49d0fc8c418c improved "is_special_eligible_arg" further, by approximating the cardinality of the argument (as is done quite successfully elsewhere)
blanchet
parents: 41859
diff changeset
  1142
    (s_let Ts s1 (loose_bvar1_count (t1', 0)) T1 (fastype_of1 (T1 :: Ts, t1'))
42958
034fc4d0c909 fixed de Bruijn index bug
blanchet
parents: 42793
diff changeset
  1143
           (curry betapply t1) t2
034fc4d0c909 fixed de Bruijn index bug
blanchet
parents: 42793
diff changeset
  1144
     (* FIXME: fix all "s_betapply []" calls *)
034fc4d0c909 fixed de Bruijn index bug
blanchet
parents: 42793
diff changeset
  1145
     handle TERM _ => betapply (t1, t2)
034fc4d0c909 fixed de Bruijn index bug
blanchet
parents: 42793
diff changeset
  1146
          | General.Subscript => betapply (t1, t2))
41860
49d0fc8c418c improved "is_special_eligible_arg" further, by approximating the cardinality of the argument (as is done quite successfully elsewhere)
blanchet
parents: 41859
diff changeset
  1147
  | s_betapply _ (t1, t2) = t1 $ t2
49d0fc8c418c improved "is_special_eligible_arg" further, by approximating the cardinality of the argument (as is done quite successfully elsewhere)
blanchet
parents: 41859
diff changeset
  1148
fun s_betapplys Ts = Library.foldl (s_betapply Ts)
49d0fc8c418c improved "is_special_eligible_arg" further, by approximating the cardinality of the argument (as is done quite successfully elsewhere)
blanchet
parents: 41859
diff changeset
  1149
49d0fc8c418c improved "is_special_eligible_arg" further, by approximating the cardinality of the argument (as is done quite successfully elsewhere)
blanchet
parents: 41859
diff changeset
  1150
fun s_beta_norm Ts t =
49d0fc8c418c improved "is_special_eligible_arg" further, by approximating the cardinality of the argument (as is done quite successfully elsewhere)
blanchet
parents: 41859
diff changeset
  1151
  let
49d0fc8c418c improved "is_special_eligible_arg" further, by approximating the cardinality of the argument (as is done quite successfully elsewhere)
blanchet
parents: 41859
diff changeset
  1152
    fun aux _ (Var _) = raise Same.SAME
49d0fc8c418c improved "is_special_eligible_arg" further, by approximating the cardinality of the argument (as is done quite successfully elsewhere)
blanchet
parents: 41859
diff changeset
  1153
      | aux Ts (Abs (s, T, t')) = Abs (s, T, aux (T :: Ts) t')
49d0fc8c418c improved "is_special_eligible_arg" further, by approximating the cardinality of the argument (as is done quite successfully elsewhere)
blanchet
parents: 41859
diff changeset
  1154
      | aux Ts ((t1 as Abs _) $ t2) =
49d0fc8c418c improved "is_special_eligible_arg" further, by approximating the cardinality of the argument (as is done quite successfully elsewhere)
blanchet
parents: 41859
diff changeset
  1155
        Same.commit (aux Ts) (s_betapply Ts (t1, t2))
49d0fc8c418c improved "is_special_eligible_arg" further, by approximating the cardinality of the argument (as is done quite successfully elsewhere)
blanchet
parents: 41859
diff changeset
  1156
      | aux Ts (t1 $ t2) =
49d0fc8c418c improved "is_special_eligible_arg" further, by approximating the cardinality of the argument (as is done quite successfully elsewhere)
blanchet
parents: 41859
diff changeset
  1157
        ((case aux Ts t1 of
49d0fc8c418c improved "is_special_eligible_arg" further, by approximating the cardinality of the argument (as is done quite successfully elsewhere)
blanchet
parents: 41859
diff changeset
  1158
           t1 as Abs _ => Same.commit (aux Ts) (s_betapply Ts (t1, t2))
49d0fc8c418c improved "is_special_eligible_arg" further, by approximating the cardinality of the argument (as is done quite successfully elsewhere)
blanchet
parents: 41859
diff changeset
  1159
         | t1 => t1 $ Same.commit (aux Ts) t2)
49d0fc8c418c improved "is_special_eligible_arg" further, by approximating the cardinality of the argument (as is done quite successfully elsewhere)
blanchet
parents: 41859
diff changeset
  1160
        handle Same.SAME => t1 $ aux Ts t2)
49d0fc8c418c improved "is_special_eligible_arg" further, by approximating the cardinality of the argument (as is done quite successfully elsewhere)
blanchet
parents: 41859
diff changeset
  1161
      | aux _ _ = raise Same.SAME
49d0fc8c418c improved "is_special_eligible_arg" further, by approximating the cardinality of the argument (as is done quite successfully elsewhere)
blanchet
parents: 41859
diff changeset
  1162
  in aux Ts t handle Same.SAME => t end
49d0fc8c418c improved "is_special_eligible_arg" further, by approximating the cardinality of the argument (as is done quite successfully elsewhere)
blanchet
parents: 41859
diff changeset
  1163
35070
96136eb6218f split "nitpick_hol.ML" into two files to make it more manageable;
blanchet
parents: 34998
diff changeset
  1164
fun discr_term_for_constr hol_ctxt (x as (s, T)) =
33192
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  1165
  let val dataT = body_type T in
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  1166
    if s = @{const_name Suc} then
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  1167
      Abs (Name.uu, dataT,
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  1168
           @{const Not} $ HOLogic.mk_eq (zero_const dataT, Bound 0))
35070
96136eb6218f split "nitpick_hol.ML" into two files to make it more manageable;
blanchet
parents: 34998
diff changeset
  1169
    else if num_datatype_constrs hol_ctxt dataT >= 2 then
33192
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  1170
      Const (discr_for_constr x)
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  1171
    else
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  1172
      Abs (Name.uu, dataT, @{const True})
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  1173
  end
37256
0dca1ec52999 thread along context instead of theory for typedef lookup
blanchet
parents: 37253
diff changeset
  1174
fun discriminate_value (hol_ctxt as {ctxt, ...}) x t =
35280
54ab4921f826 fixed a few bugs in Nitpick and removed unreferenced variables
blanchet
parents: 35220
diff changeset
  1175
  case head_of t of
54ab4921f826 fixed a few bugs in Nitpick and removed unreferenced variables
blanchet
parents: 35220
diff changeset
  1176
    Const x' =>
33192
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  1177
    if x = x' then @{const True}
37256
0dca1ec52999 thread along context instead of theory for typedef lookup
blanchet
parents: 37253
diff changeset
  1178
    else if is_constr_like ctxt x' then @{const False}
37476
0681e46b4022 optimized code generated for datatype cases + more;
blanchet
parents: 37269
diff changeset
  1179
    else s_betapply [] (discr_term_for_constr hol_ctxt x, t)
0681e46b4022 optimized code generated for datatype cases + more;
blanchet
parents: 37269
diff changeset
  1180
  | _ => s_betapply [] (discr_term_for_constr hol_ctxt x, t)
33192
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  1181
35220
2bcdae5f4fdb added support for nonstandard "nat"s to Nitpick and fixed bugs in binary "nat"s and "int"s
blanchet
parents: 35190
diff changeset
  1182
fun nth_arg_sel_term_for_constr thy stds (x as (s, T)) n =
33192
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  1183
  let val (arg_Ts, dataT) = strip_type T in
35220
2bcdae5f4fdb added support for nonstandard "nat"s to Nitpick and fixed bugs in binary "nat"s and "int"s
blanchet
parents: 35190
diff changeset
  1184
    if dataT = nat_T andalso is_standard_datatype thy stds nat_T then
2bcdae5f4fdb added support for nonstandard "nat"s to Nitpick and fixed bugs in binary "nat"s and "int"s
blanchet
parents: 35190
diff changeset
  1185
      @{term "%n::nat. n - 1"}
33192
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  1186
    else if is_pair_type dataT then
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  1187
      Const (nth_sel_for_constr x n)
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  1188
    else
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  1189
      let
38190
b02e204b613a get rid of all "optimizations" regarding "unit" and other cardinality-1 types
blanchet
parents: 38188
diff changeset
  1190
        fun aux m (Type (@{type_name prod}, [T1, T2])) =
33192
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  1191
            let
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  1192
              val (m, t1) = aux m T1
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  1193
              val (m, t2) = aux m T2
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  1194
            in (m, HOLogic.mk_prod (t1, t2)) end
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  1195
          | aux m T =
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  1196
            (m + 1, Const (nth_sel_name_for_constr_name s m, dataT --> T)
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  1197
                    $ Bound 0)
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  1198
        val m = fold (Integer.add o num_factors_in_type)
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  1199
                     (List.take (arg_Ts, n)) 0
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  1200
      in Abs ("x", dataT, aux m (nth arg_Ts n) |> snd) end
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  1201
  end
37256
0dca1ec52999 thread along context instead of theory for typedef lookup
blanchet
parents: 37253
diff changeset
  1202
fun select_nth_constr_arg ctxt stds x t n res_T =
42361
23f352990944 modernized structure Proof_Context;
wenzelm
parents: 41994
diff changeset
  1203
  let val thy = Proof_Context.theory_of ctxt in
37256
0dca1ec52999 thread along context instead of theory for typedef lookup
blanchet
parents: 37253
diff changeset
  1204
    (case strip_comb t of
0dca1ec52999 thread along context instead of theory for typedef lookup
blanchet
parents: 37253
diff changeset
  1205
       (Const x', args) =>
51706
0a4b4735d8bd not all Nitpick 'constructors' are injective -- careful
blanchet
parents: 51143
diff changeset
  1206
       if x = x' then
0a4b4735d8bd not all Nitpick 'constructors' are injective -- careful
blanchet
parents: 51143
diff changeset
  1207
          if is_constr_like_injective ctxt x then nth args n else raise SAME ()
0a4b4735d8bd not all Nitpick 'constructors' are injective -- careful
blanchet
parents: 51143
diff changeset
  1208
       else if is_constr_like ctxt x' then
0a4b4735d8bd not all Nitpick 'constructors' are injective -- careful
blanchet
parents: 51143
diff changeset
  1209
         Const (@{const_name unknown}, res_T)
0a4b4735d8bd not all Nitpick 'constructors' are injective -- careful
blanchet
parents: 51143
diff changeset
  1210
       else
0a4b4735d8bd not all Nitpick 'constructors' are injective -- careful
blanchet
parents: 51143
diff changeset
  1211
         raise SAME ()
37256
0dca1ec52999 thread along context instead of theory for typedef lookup
blanchet
parents: 37253
diff changeset
  1212
     | _ => raise SAME())
37476
0681e46b4022 optimized code generated for datatype cases + more;
blanchet
parents: 37269
diff changeset
  1213
    handle SAME () =>
0681e46b4022 optimized code generated for datatype cases + more;
blanchet
parents: 37269
diff changeset
  1214
           s_betapply [] (nth_arg_sel_term_for_constr thy stds x n, t)
37256
0dca1ec52999 thread along context instead of theory for typedef lookup
blanchet
parents: 37253
diff changeset
  1215
  end
33192
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  1216
35220
2bcdae5f4fdb added support for nonstandard "nat"s to Nitpick and fixed bugs in binary "nat"s and "int"s
blanchet
parents: 35190
diff changeset
  1217
fun construct_value _ _ x [] = Const x
37256
0dca1ec52999 thread along context instead of theory for typedef lookup
blanchet
parents: 37253
diff changeset
  1218
  | construct_value ctxt stds (x as (s, _)) args =
33192
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  1219
    let val args = map Envir.eta_contract args in
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  1220
      case hd args of
35280
54ab4921f826 fixed a few bugs in Nitpick and removed unreferenced variables
blanchet
parents: 35220
diff changeset
  1221
        Const (s', _) $ t =>
34936
c4f04bee79f3 some work on Nitpick's support for quotient types;
blanchet
parents: 34126
diff changeset
  1222
        if is_sel_like_and_no_discr s' andalso
c4f04bee79f3 some work on Nitpick's support for quotient types;
blanchet
parents: 34126
diff changeset
  1223
           constr_name_for_sel_like s' = s andalso
35220
2bcdae5f4fdb added support for nonstandard "nat"s to Nitpick and fixed bugs in binary "nat"s and "int"s
blanchet
parents: 35190
diff changeset
  1224
           forall (fn (n, t') =>
37256
0dca1ec52999 thread along context instead of theory for typedef lookup
blanchet
parents: 37253
diff changeset
  1225
                      select_nth_constr_arg ctxt stds x t n dummyT = t')
34936
c4f04bee79f3 some work on Nitpick's support for quotient types;
blanchet
parents: 34126
diff changeset
  1226
                  (index_seq 0 (length args) ~~ args) then
33192
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  1227
          t
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  1228
        else
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  1229
          list_comb (Const x, args)
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  1230
      | _ => list_comb (Const x, args)
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  1231
    end
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  1232
37256
0dca1ec52999 thread along context instead of theory for typedef lookup
blanchet
parents: 37253
diff changeset
  1233
fun constr_expand (hol_ctxt as {ctxt, stds, ...}) T t =
35665
ff2bf50505ab added "finitize" option to Nitpick + remove dependency on "Coinductive_List"
blanchet
parents: 35625
diff changeset
  1234
  (case head_of t of
37256
0dca1ec52999 thread along context instead of theory for typedef lookup
blanchet
parents: 37253
diff changeset
  1235
     Const x => if is_constr_like ctxt x then t else raise SAME ()
35665
ff2bf50505ab added "finitize" option to Nitpick + remove dependency on "Coinductive_List"
blanchet
parents: 35625
diff changeset
  1236
   | _ => raise SAME ())
ff2bf50505ab added "finitize" option to Nitpick + remove dependency on "Coinductive_List"
blanchet
parents: 35625
diff changeset
  1237
  handle SAME () =>
ff2bf50505ab added "finitize" option to Nitpick + remove dependency on "Coinductive_List"
blanchet
parents: 35625
diff changeset
  1238
         let
ff2bf50505ab added "finitize" option to Nitpick + remove dependency on "Coinductive_List"
blanchet
parents: 35625
diff changeset
  1239
           val x' as (_, T') =
ff2bf50505ab added "finitize" option to Nitpick + remove dependency on "Coinductive_List"
blanchet
parents: 35625
diff changeset
  1240
             if is_pair_type T then
ff2bf50505ab added "finitize" option to Nitpick + remove dependency on "Coinductive_List"
blanchet
parents: 35625
diff changeset
  1241
               let val (T1, T2) = HOLogic.dest_prodT T in
ff2bf50505ab added "finitize" option to Nitpick + remove dependency on "Coinductive_List"
blanchet
parents: 35625
diff changeset
  1242
                 (@{const_name Pair}, T1 --> T2 --> T)
ff2bf50505ab added "finitize" option to Nitpick + remove dependency on "Coinductive_List"
blanchet
parents: 35625
diff changeset
  1243
               end
ff2bf50505ab added "finitize" option to Nitpick + remove dependency on "Coinductive_List"
blanchet
parents: 35625
diff changeset
  1244
             else
ff2bf50505ab added "finitize" option to Nitpick + remove dependency on "Coinductive_List"
blanchet
parents: 35625
diff changeset
  1245
               datatype_constrs hol_ctxt T |> hd
ff2bf50505ab added "finitize" option to Nitpick + remove dependency on "Coinductive_List"
blanchet
parents: 35625
diff changeset
  1246
           val arg_Ts = binder_types T'
ff2bf50505ab added "finitize" option to Nitpick + remove dependency on "Coinductive_List"
blanchet
parents: 35625
diff changeset
  1247
         in
37256
0dca1ec52999 thread along context instead of theory for typedef lookup
blanchet
parents: 37253
diff changeset
  1248
           list_comb (Const x', map2 (select_nth_constr_arg ctxt stds x' t)
35665
ff2bf50505ab added "finitize" option to Nitpick + remove dependency on "Coinductive_List"
blanchet
parents: 35625
diff changeset
  1249
                                     (index_seq 0 (length arg_Ts)) arg_Ts)
ff2bf50505ab added "finitize" option to Nitpick + remove dependency on "Coinductive_List"
blanchet
parents: 35625
diff changeset
  1250
         end
ff2bf50505ab added "finitize" option to Nitpick + remove dependency on "Coinductive_List"
blanchet
parents: 35625
diff changeset
  1251
ff2bf50505ab added "finitize" option to Nitpick + remove dependency on "Coinductive_List"
blanchet
parents: 35625
diff changeset
  1252
fun coerce_bound_no f j t =
ff2bf50505ab added "finitize" option to Nitpick + remove dependency on "Coinductive_List"
blanchet
parents: 35625
diff changeset
  1253
  case t of
ff2bf50505ab added "finitize" option to Nitpick + remove dependency on "Coinductive_List"
blanchet
parents: 35625
diff changeset
  1254
    t1 $ t2 => coerce_bound_no f j t1 $ coerce_bound_no f j t2
ff2bf50505ab added "finitize" option to Nitpick + remove dependency on "Coinductive_List"
blanchet
parents: 35625
diff changeset
  1255
  | Abs (s, T, t') => Abs (s, T, coerce_bound_no f (j + 1) t')
ff2bf50505ab added "finitize" option to Nitpick + remove dependency on "Coinductive_List"
blanchet
parents: 35625
diff changeset
  1256
  | Bound j' => if j' = j then f t else t
ff2bf50505ab added "finitize" option to Nitpick + remove dependency on "Coinductive_List"
blanchet
parents: 35625
diff changeset
  1257
  | _ => t
ff2bf50505ab added "finitize" option to Nitpick + remove dependency on "Coinductive_List"
blanchet
parents: 35625
diff changeset
  1258
fun coerce_bound_0_in_term hol_ctxt new_T old_T =
ff2bf50505ab added "finitize" option to Nitpick + remove dependency on "Coinductive_List"
blanchet
parents: 35625
diff changeset
  1259
  old_T <> new_T ? coerce_bound_no (coerce_term hol_ctxt [new_T] old_T new_T) 0
39345
062c10ff848c remove unreferenced identifiers
blanchet
parents: 39315
diff changeset
  1260
and coerce_term (hol_ctxt as {ctxt, stds, ...}) Ts new_T old_T t =
35665
ff2bf50505ab added "finitize" option to Nitpick + remove dependency on "Coinductive_List"
blanchet
parents: 35625
diff changeset
  1261
  if old_T = new_T then
ff2bf50505ab added "finitize" option to Nitpick + remove dependency on "Coinductive_List"
blanchet
parents: 35625
diff changeset
  1262
    t
ff2bf50505ab added "finitize" option to Nitpick + remove dependency on "Coinductive_List"
blanchet
parents: 35625
diff changeset
  1263
  else
ff2bf50505ab added "finitize" option to Nitpick + remove dependency on "Coinductive_List"
blanchet
parents: 35625
diff changeset
  1264
    case (new_T, old_T) of
ff2bf50505ab added "finitize" option to Nitpick + remove dependency on "Coinductive_List"
blanchet
parents: 35625
diff changeset
  1265
      (Type (new_s, new_Ts as [new_T1, new_T2]),
ff2bf50505ab added "finitize" option to Nitpick + remove dependency on "Coinductive_List"
blanchet
parents: 35625
diff changeset
  1266
       Type (@{type_name fun}, [old_T1, old_T2])) =>
ff2bf50505ab added "finitize" option to Nitpick + remove dependency on "Coinductive_List"
blanchet
parents: 35625
diff changeset
  1267
      (case eta_expand Ts t 1 of
ff2bf50505ab added "finitize" option to Nitpick + remove dependency on "Coinductive_List"
blanchet
parents: 35625
diff changeset
  1268
         Abs (s, _, t') =>
ff2bf50505ab added "finitize" option to Nitpick + remove dependency on "Coinductive_List"
blanchet
parents: 35625
diff changeset
  1269
         Abs (s, new_T1,
ff2bf50505ab added "finitize" option to Nitpick + remove dependency on "Coinductive_List"
blanchet
parents: 35625
diff changeset
  1270
              t' |> coerce_bound_0_in_term hol_ctxt new_T1 old_T1
ff2bf50505ab added "finitize" option to Nitpick + remove dependency on "Coinductive_List"
blanchet
parents: 35625
diff changeset
  1271
                 |> coerce_term hol_ctxt (new_T1 :: Ts) new_T2 old_T2)
ff2bf50505ab added "finitize" option to Nitpick + remove dependency on "Coinductive_List"
blanchet
parents: 35625
diff changeset
  1272
         |> Envir.eta_contract
ff2bf50505ab added "finitize" option to Nitpick + remove dependency on "Coinductive_List"
blanchet
parents: 35625
diff changeset
  1273
         |> new_s <> @{type_name fun}
37256
0dca1ec52999 thread along context instead of theory for typedef lookup
blanchet
parents: 37253
diff changeset
  1274
            ? construct_value ctxt stds
41052
3db267a01c1d remove the "fin_fun" optimization in Nitpick -- it was always a hack and didn't help much
blanchet
parents: 41049
diff changeset
  1275
                  (@{const_name FunBox},
35665
ff2bf50505ab added "finitize" option to Nitpick + remove dependency on "Coinductive_List"
blanchet
parents: 35625
diff changeset
  1276
                   Type (@{type_name fun}, new_Ts) --> new_T)
ff2bf50505ab added "finitize" option to Nitpick + remove dependency on "Coinductive_List"
blanchet
parents: 35625
diff changeset
  1277
              o single
ff2bf50505ab added "finitize" option to Nitpick + remove dependency on "Coinductive_List"
blanchet
parents: 35625
diff changeset
  1278
       | t' => raise TERM ("Nitpick_HOL.coerce_term", [t']))
ff2bf50505ab added "finitize" option to Nitpick + remove dependency on "Coinductive_List"
blanchet
parents: 35625
diff changeset
  1279
    | (Type (new_s, new_Ts as [new_T1, new_T2]),
ff2bf50505ab added "finitize" option to Nitpick + remove dependency on "Coinductive_List"
blanchet
parents: 35625
diff changeset
  1280
       Type (old_s, old_Ts as [old_T1, old_T2])) =>
41052
3db267a01c1d remove the "fin_fun" optimization in Nitpick -- it was always a hack and didn't help much
blanchet
parents: 41049
diff changeset
  1281
      if old_s = @{type_name fun_box} orelse
38190
b02e204b613a get rid of all "optimizations" regarding "unit" and other cardinality-1 types
blanchet
parents: 38188
diff changeset
  1282
         old_s = @{type_name pair_box} orelse old_s = @{type_name prod} then
35665
ff2bf50505ab added "finitize" option to Nitpick + remove dependency on "Coinductive_List"
blanchet
parents: 35625
diff changeset
  1283
        case constr_expand hol_ctxt old_T t of
ff2bf50505ab added "finitize" option to Nitpick + remove dependency on "Coinductive_List"
blanchet
parents: 35625
diff changeset
  1284
          Const (old_s, _) $ t1 =>
ff2bf50505ab added "finitize" option to Nitpick + remove dependency on "Coinductive_List"
blanchet
parents: 35625
diff changeset
  1285
          if new_s = @{type_name fun} then
ff2bf50505ab added "finitize" option to Nitpick + remove dependency on "Coinductive_List"
blanchet
parents: 35625
diff changeset
  1286
            coerce_term hol_ctxt Ts new_T (Type (@{type_name fun}, old_Ts)) t1
ff2bf50505ab added "finitize" option to Nitpick + remove dependency on "Coinductive_List"
blanchet
parents: 35625
diff changeset
  1287
          else
37256
0dca1ec52999 thread along context instead of theory for typedef lookup
blanchet
parents: 37253
diff changeset
  1288
            construct_value ctxt stds
35665
ff2bf50505ab added "finitize" option to Nitpick + remove dependency on "Coinductive_List"
blanchet
parents: 35625
diff changeset
  1289
                (old_s, Type (@{type_name fun}, new_Ts) --> new_T)
ff2bf50505ab added "finitize" option to Nitpick + remove dependency on "Coinductive_List"
blanchet
parents: 35625
diff changeset
  1290
                [coerce_term hol_ctxt Ts (Type (@{type_name fun}, new_Ts))
ff2bf50505ab added "finitize" option to Nitpick + remove dependency on "Coinductive_List"
blanchet
parents: 35625
diff changeset
  1291
                             (Type (@{type_name fun}, old_Ts)) t1]
ff2bf50505ab added "finitize" option to Nitpick + remove dependency on "Coinductive_List"
blanchet
parents: 35625
diff changeset
  1292
        | Const _ $ t1 $ t2 =>
37256
0dca1ec52999 thread along context instead of theory for typedef lookup
blanchet
parents: 37253
diff changeset
  1293
          construct_value ctxt stds
38190
b02e204b613a get rid of all "optimizations" regarding "unit" and other cardinality-1 types
blanchet
parents: 38188
diff changeset
  1294
              (if new_s = @{type_name prod} then @{const_name Pair}
35665
ff2bf50505ab added "finitize" option to Nitpick + remove dependency on "Coinductive_List"
blanchet
parents: 35625
diff changeset
  1295
               else @{const_name PairBox}, new_Ts ---> new_T)
ff2bf50505ab added "finitize" option to Nitpick + remove dependency on "Coinductive_List"
blanchet
parents: 35625
diff changeset
  1296
              (map3 (coerce_term hol_ctxt Ts) [new_T1, new_T2] [old_T1, old_T2]
ff2bf50505ab added "finitize" option to Nitpick + remove dependency on "Coinductive_List"
blanchet
parents: 35625
diff changeset
  1297
                    [t1, t2])
ff2bf50505ab added "finitize" option to Nitpick + remove dependency on "Coinductive_List"
blanchet
parents: 35625
diff changeset
  1298
        | t' => raise TERM ("Nitpick_HOL.coerce_term", [t'])
ff2bf50505ab added "finitize" option to Nitpick + remove dependency on "Coinductive_List"
blanchet
parents: 35625
diff changeset
  1299
      else
ff2bf50505ab added "finitize" option to Nitpick + remove dependency on "Coinductive_List"
blanchet
parents: 35625
diff changeset
  1300
        raise TYPE ("Nitpick_HOL.coerce_term", [new_T, old_T], [t])
ff2bf50505ab added "finitize" option to Nitpick + remove dependency on "Coinductive_List"
blanchet
parents: 35625
diff changeset
  1301
    | _ => raise TYPE ("Nitpick_HOL.coerce_term", [new_T, old_T], [t])
ff2bf50505ab added "finitize" option to Nitpick + remove dependency on "Coinductive_List"
blanchet
parents: 35625
diff changeset
  1302
33192
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  1303
fun is_ground_term (t1 $ t2) = is_ground_term t1 andalso is_ground_term t2
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  1304
  | is_ground_term (Const _) = true
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  1305
  | is_ground_term _ = false
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  1306
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  1307
fun special_bounds ts =
35408
b48ab741683b modernized structure Term_Ord;
wenzelm
parents: 35388
diff changeset
  1308
  fold Term.add_vars ts [] |> sort (Term_Ord.fast_indexname_ord o pairself fst)
33192
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  1309
38190
b02e204b613a get rid of all "optimizations" regarding "unit" and other cardinality-1 types
blanchet
parents: 38188
diff changeset
  1310
(* FIXME: detect "rep_datatype"? *)
38240
a44d108a8d39 local versions of Nitpick.register_xxx functions
blanchet
parents: 38215
diff changeset
  1311
fun is_funky_typedef_name ctxt s =
46083
efeaa79f021b port part of Nitpick to "set" type constructor
blanchet
parents: 46081
diff changeset
  1312
  member (op =) [@{type_name unit}, @{type_name prod}, @{type_name set},
38190
b02e204b613a get rid of all "optimizations" regarding "unit" and other cardinality-1 types
blanchet
parents: 38188
diff changeset
  1313
                 @{type_name Sum_Type.sum}, @{type_name int}] s orelse
38240
a44d108a8d39 local versions of Nitpick.register_xxx functions
blanchet
parents: 38215
diff changeset
  1314
  is_frac_type ctxt (Type (s, []))
a44d108a8d39 local versions of Nitpick.register_xxx functions
blanchet
parents: 38215
diff changeset
  1315
fun is_funky_typedef ctxt (Type (s, _)) = is_funky_typedef_name ctxt s
33571
3655e51f9958 minor cleanup in Nitpick
blanchet
parents: 33557
diff changeset
  1316
  | is_funky_typedef _ _ = false
33192
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  1317
42415
10accf397ab6 use "Spec_Rules" for finding axioms -- more reliable and cleaner
blanchet
parents: 42414
diff changeset
  1318
fun all_defs_of thy subst =
33192
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  1319
  let
42415
10accf397ab6 use "Spec_Rules" for finding axioms -- more reliable and cleaner
blanchet
parents: 42414
diff changeset
  1320
    val def_names =
10accf397ab6 use "Spec_Rules" for finding axioms -- more reliable and cleaner
blanchet
parents: 42414
diff changeset
  1321
      thy |> Theory.defs_of
10accf397ab6 use "Spec_Rules" for finding axioms -- more reliable and cleaner
blanchet
parents: 42414
diff changeset
  1322
          |> Defs.all_specifications_of
10accf397ab6 use "Spec_Rules" for finding axioms -- more reliable and cleaner
blanchet
parents: 42414
diff changeset
  1323
          |> maps snd |> map_filter #def
10accf397ab6 use "Spec_Rules" for finding axioms -- more reliable and cleaner
blanchet
parents: 42414
diff changeset
  1324
          |> Ord_List.make fast_string_ord
10accf397ab6 use "Spec_Rules" for finding axioms -- more reliable and cleaner
blanchet
parents: 42414
diff changeset
  1325
  in
42425
2aa907d5ee4f added Theory.nodes_of convenience;
wenzelm
parents: 42418
diff changeset
  1326
    Theory.nodes_of thy
42418
508acf776ebf avoid relying on "Thm.definitionK" to pick up definitions -- this was an old hack related to locales (to avoid expanding locale constants to their low-level definition) that is no longer necessary
blanchet
parents: 42415
diff changeset
  1327
    |> maps Thm.axioms_of
508acf776ebf avoid relying on "Thm.definitionK" to pick up definitions -- this was an old hack related to locales (to avoid expanding locale constants to their low-level definition) that is no longer necessary
blanchet
parents: 42415
diff changeset
  1328
    |> map (apsnd (subst_atomic subst o prop_of))
508acf776ebf avoid relying on "Thm.definitionK" to pick up definitions -- this was an old hack related to locales (to avoid expanding locale constants to their low-level definition) that is no longer necessary
blanchet
parents: 42415
diff changeset
  1329
    |> sort (fast_string_ord o pairself fst)
508acf776ebf avoid relying on "Thm.definitionK" to pick up definitions -- this was an old hack related to locales (to avoid expanding locale constants to their low-level definition) that is no longer necessary
blanchet
parents: 42415
diff changeset
  1330
    |> Ord_List.inter (fast_string_ord o apsnd fst) def_names
508acf776ebf avoid relying on "Thm.definitionK" to pick up definitions -- this was an old hack related to locales (to avoid expanding locale constants to their low-level definition) that is no longer necessary
blanchet
parents: 42415
diff changeset
  1331
    |> map snd
42415
10accf397ab6 use "Spec_Rules" for finding axioms -- more reliable and cleaner
blanchet
parents: 42414
diff changeset
  1332
  end
10accf397ab6 use "Spec_Rules" for finding axioms -- more reliable and cleaner
blanchet
parents: 42414
diff changeset
  1333
49985
5b4b0e4e5205 moved Refute to "HOL/Library" to speed up building "Main" even more
blanchet
parents: 49833
diff changeset
  1334
(* Ideally we would check against "Complex_Main", not "Hilbert_Choice", but any
5b4b0e4e5205 moved Refute to "HOL/Library" to speed up building "Main" even more
blanchet
parents: 49833
diff changeset
  1335
   theory will do as long as it contains all the "axioms" and "axiomatization"
42418
508acf776ebf avoid relying on "Thm.definitionK" to pick up definitions -- this was an old hack related to locales (to avoid expanding locale constants to their low-level definition) that is no longer necessary
blanchet
parents: 42415
diff changeset
  1336
   commands. *)
49985
5b4b0e4e5205 moved Refute to "HOL/Library" to speed up building "Main" even more
blanchet
parents: 49833
diff changeset
  1337
fun is_built_in_theory thy = Theory.subthy (thy, @{theory Hilbert_Choice})
42418
508acf776ebf avoid relying on "Thm.definitionK" to pick up definitions -- this was an old hack related to locales (to avoid expanding locale constants to their low-level definition) that is no longer necessary
blanchet
parents: 42415
diff changeset
  1338
42415
10accf397ab6 use "Spec_Rules" for finding axioms -- more reliable and cleaner
blanchet
parents: 42414
diff changeset
  1339
fun all_nondefs_of ctxt subst =
10accf397ab6 use "Spec_Rules" for finding axioms -- more reliable and cleaner
blanchet
parents: 42414
diff changeset
  1340
  ctxt |> Spec_Rules.get
10accf397ab6 use "Spec_Rules" for finding axioms -- more reliable and cleaner
blanchet
parents: 42414
diff changeset
  1341
       |> filter (curry (op =) Spec_Rules.Unknown o fst)
10accf397ab6 use "Spec_Rules" for finding axioms -- more reliable and cleaner
blanchet
parents: 42414
diff changeset
  1342
       |> maps (snd o snd)
10accf397ab6 use "Spec_Rules" for finding axioms -- more reliable and cleaner
blanchet
parents: 42414
diff changeset
  1343
       |> filter_out (is_built_in_theory o theory_of_thm)
10accf397ab6 use "Spec_Rules" for finding axioms -- more reliable and cleaner
blanchet
parents: 42414
diff changeset
  1344
       |> map (subst_atomic subst o prop_of)
33192
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  1345
39359
6f49c7fbb1b1 remove "fast_descs" option from Nitpick;
blanchet
parents: 39345
diff changeset
  1346
fun arity_of_built_in_const thy stds (s, T) =
33192
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  1347
  if s = @{const_name If} then
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  1348
    if nth_range_type 3 T = @{typ bool} then NONE else SOME 3
35220
2bcdae5f4fdb added support for nonstandard "nat"s to Nitpick and fixed bugs in binary "nat"s and "int"s
blanchet
parents: 35190
diff changeset
  1349
  else
2bcdae5f4fdb added support for nonstandard "nat"s to Nitpick and fixed bugs in binary "nat"s and "int"s
blanchet
parents: 35190
diff changeset
  1350
    let val std_nats = is_standard_datatype thy stds nat_T in
2bcdae5f4fdb added support for nonstandard "nat"s to Nitpick and fixed bugs in binary "nat"s and "int"s
blanchet
parents: 35190
diff changeset
  1351
      case AList.lookup (op =)
2bcdae5f4fdb added support for nonstandard "nat"s to Nitpick and fixed bugs in binary "nat"s and "int"s
blanchet
parents: 35190
diff changeset
  1352
                    (built_in_consts
39359
6f49c7fbb1b1 remove "fast_descs" option from Nitpick;
blanchet
parents: 39345
diff changeset
  1353
                     |> std_nats ? append built_in_nat_consts) s of
35220
2bcdae5f4fdb added support for nonstandard "nat"s to Nitpick and fixed bugs in binary "nat"s and "int"s
blanchet
parents: 35190
diff changeset
  1354
        SOME n => SOME n
2bcdae5f4fdb added support for nonstandard "nat"s to Nitpick and fixed bugs in binary "nat"s and "int"s
blanchet
parents: 35190
diff changeset
  1355
      | NONE =>
2bcdae5f4fdb added support for nonstandard "nat"s to Nitpick and fixed bugs in binary "nat"s and "int"s
blanchet
parents: 35190
diff changeset
  1356
        case AList.lookup (op =)
2bcdae5f4fdb added support for nonstandard "nat"s to Nitpick and fixed bugs in binary "nat"s and "int"s
blanchet
parents: 35190
diff changeset
  1357
                 (built_in_typed_consts
2bcdae5f4fdb added support for nonstandard "nat"s to Nitpick and fixed bugs in binary "nat"s and "int"s
blanchet
parents: 35190
diff changeset
  1358
                  |> std_nats ? append built_in_typed_nat_consts)
2bcdae5f4fdb added support for nonstandard "nat"s to Nitpick and fixed bugs in binary "nat"s and "int"s
blanchet
parents: 35190
diff changeset
  1359
                 (s, unarize_type T) of
2bcdae5f4fdb added support for nonstandard "nat"s to Nitpick and fixed bugs in binary "nat"s and "int"s
blanchet
parents: 35190
diff changeset
  1360
          SOME n => SOME n
2bcdae5f4fdb added support for nonstandard "nat"s to Nitpick and fixed bugs in binary "nat"s and "int"s
blanchet
parents: 35190
diff changeset
  1361
        | NONE =>
35280
54ab4921f826 fixed a few bugs in Nitpick and removed unreferenced variables
blanchet
parents: 35220
diff changeset
  1362
          case s of
54ab4921f826 fixed a few bugs in Nitpick and removed unreferenced variables
blanchet
parents: 35220
diff changeset
  1363
            @{const_name zero_class.zero} =>
54ab4921f826 fixed a few bugs in Nitpick and removed unreferenced variables
blanchet
parents: 35220
diff changeset
  1364
            if is_iterator_type T then SOME 0 else NONE
54ab4921f826 fixed a few bugs in Nitpick and removed unreferenced variables
blanchet
parents: 35220
diff changeset
  1365
          | @{const_name Suc} =>
54ab4921f826 fixed a few bugs in Nitpick and removed unreferenced variables
blanchet
parents: 35220
diff changeset
  1366
            if is_iterator_type (domain_type T) then SOME 0 else NONE
46081
8f6465f7021b ported mono calculus to handle "set" type constructors
blanchet
parents: 45980
diff changeset
  1367
          | _ => if is_fun_type T andalso is_set_like_type (domain_type T) then
8f6465f7021b ported mono calculus to handle "set" type constructors
blanchet
parents: 45980
diff changeset
  1368
                   AList.lookup (op =) built_in_set_like_consts s
35280
54ab4921f826 fixed a few bugs in Nitpick and removed unreferenced variables
blanchet
parents: 35220
diff changeset
  1369
                 else
54ab4921f826 fixed a few bugs in Nitpick and removed unreferenced variables
blanchet
parents: 35220
diff changeset
  1370
                   NONE
35220
2bcdae5f4fdb added support for nonstandard "nat"s to Nitpick and fixed bugs in binary "nat"s and "int"s
blanchet
parents: 35190
diff changeset
  1371
    end
39359
6f49c7fbb1b1 remove "fast_descs" option from Nitpick;
blanchet
parents: 39345
diff changeset
  1372
val is_built_in_const = is_some ooo arity_of_built_in_const
33192
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  1373
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  1374
(* This function is designed to work for both real definition axioms and
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  1375
   simplification rules (equational specifications). *)
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  1376
fun term_under_def t =
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  1377
  case t of
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  1378
    @{const "==>"} $ _ $ t2 => term_under_def t2
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  1379
  | Const (@{const_name "=="}, _) $ t1 $ _ => term_under_def t1
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  1380
  | @{const Trueprop} $ t1 => term_under_def t1
38864
4abe644fcea5 formerly unnamed infix equality now named HOL.eq
haftmann
parents: 38795
diff changeset
  1381
  | Const (@{const_name HOL.eq}, _) $ t1 $ _ => term_under_def t1
33192
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  1382
  | Abs (_, _, t') => term_under_def t'
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  1383
  | t1 $ _ => term_under_def t1
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  1384
  | _ => t
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  1385
36555
8ff45c2076da expand combinators in Isar proofs constructed by Sledgehammer;
blanchet
parents: 36391
diff changeset
  1386
(* Here we crucially rely on "specialize_type" performing a preorder traversal
8ff45c2076da expand combinators in Isar proofs constructed by Sledgehammer;
blanchet
parents: 36391
diff changeset
  1387
   of the term, without which the wrong occurrence of a constant could be
8ff45c2076da expand combinators in Isar proofs constructed by Sledgehammer;
blanchet
parents: 36391
diff changeset
  1388
   matched in the face of overloading. *)
39359
6f49c7fbb1b1 remove "fast_descs" option from Nitpick;
blanchet
parents: 39345
diff changeset
  1389
fun def_props_for_const thy stds table (x as (s, _)) =
6f49c7fbb1b1 remove "fast_descs" option from Nitpick;
blanchet
parents: 39345
diff changeset
  1390
  if is_built_in_const thy stds x then
33192
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  1391
    []
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  1392
  else
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  1393
    these (Symtab.lookup table s)
36555
8ff45c2076da expand combinators in Isar proofs constructed by Sledgehammer;
blanchet
parents: 36391
diff changeset
  1394
    |> map_filter (try (specialize_type thy x))
34121
5e831d805118 get rid of polymorphic equality in Nitpick's code + a few minor cleanups
blanchet
parents: 33978
diff changeset
  1395
    |> filter (curry (op =) (Const x) o term_under_def)
33192
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  1396
35280
54ab4921f826 fixed a few bugs in Nitpick and removed unreferenced variables
blanchet
parents: 35220
diff changeset
  1397
fun normalized_rhs_of t =
33192
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  1398
  let
33743
a58893035742 made "NitpickHOL.normalized_rhs_of" more robust in the face of locale definitions
blanchet
parents: 33706
diff changeset
  1399
    fun aux (v as Var _) (SOME t) = SOME (lambda v t)
35280
54ab4921f826 fixed a few bugs in Nitpick and removed unreferenced variables
blanchet
parents: 35220
diff changeset
  1400
      | aux (c as Const (@{const_name TYPE}, _)) (SOME t) = SOME (lambda c t)
33743
a58893035742 made "NitpickHOL.normalized_rhs_of" more robust in the face of locale definitions
blanchet
parents: 33706
diff changeset
  1401
      | aux _ _ = NONE
33192
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  1402
    val (lhs, rhs) =
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  1403
      case t of
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  1404
        Const (@{const_name "=="}, _) $ t1 $ t2 => (t1, t2)
38864
4abe644fcea5 formerly unnamed infix equality now named HOL.eq
haftmann
parents: 38795
diff changeset
  1405
      | @{const Trueprop} $ (Const (@{const_name HOL.eq}, _) $ t1 $ t2) =>
33192
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  1406
        (t1, t2)
33232
f93390060bbe internal renaming in Nitpick and fixed Kodkodi invokation on Linux;
blanchet
parents: 33202
diff changeset
  1407
      | _ => raise TERM ("Nitpick_HOL.normalized_rhs_of", [t])
33192
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  1408
    val args = strip_comb lhs |> snd
33743
a58893035742 made "NitpickHOL.normalized_rhs_of" more robust in the face of locale definitions
blanchet
parents: 33706
diff changeset
  1409
  in fold_rev aux args (SOME rhs) end
33192
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  1410
41791
01d722707a36 always unfold constant defitions marked with "nitpick_def" -- to prevent unfolding, there's already "nitpick_simp"
blanchet
parents: 41472
diff changeset
  1411
fun get_def_of_const thy table (x as (s, _)) =
01d722707a36 always unfold constant defitions marked with "nitpick_def" -- to prevent unfolding, there's already "nitpick_simp"
blanchet
parents: 41472
diff changeset
  1412
  x |> def_props_for_const thy [(NONE, false)] table |> List.last
01d722707a36 always unfold constant defitions marked with "nitpick_def" -- to prevent unfolding, there's already "nitpick_simp"
blanchet
parents: 41472
diff changeset
  1413
    |> normalized_rhs_of |> Option.map (prefix_abs_vars s)
01d722707a36 always unfold constant defitions marked with "nitpick_def" -- to prevent unfolding, there's already "nitpick_simp"
blanchet
parents: 41472
diff changeset
  1414
  handle List.Empty => NONE
01d722707a36 always unfold constant defitions marked with "nitpick_def" -- to prevent unfolding, there's already "nitpick_simp"
blanchet
parents: 41472
diff changeset
  1415
01d722707a36 always unfold constant defitions marked with "nitpick_def" -- to prevent unfolding, there's already "nitpick_simp"
blanchet
parents: 41472
diff changeset
  1416
fun def_of_const_ext thy (unfold_table, fallback_table) (x as (s, _)) =
01d722707a36 always unfold constant defitions marked with "nitpick_def" -- to prevent unfolding, there's already "nitpick_simp"
blanchet
parents: 41472
diff changeset
  1417
  if is_built_in_const thy [(NONE, false)] x orelse original_name s <> s then
33192
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  1418
    NONE
41791
01d722707a36 always unfold constant defitions marked with "nitpick_def" -- to prevent unfolding, there's already "nitpick_simp"
blanchet
parents: 41472
diff changeset
  1419
  else case get_def_of_const thy unfold_table x of
01d722707a36 always unfold constant defitions marked with "nitpick_def" -- to prevent unfolding, there's already "nitpick_simp"
blanchet
parents: 41472
diff changeset
  1420
    SOME def => SOME (true, def)
01d722707a36 always unfold constant defitions marked with "nitpick_def" -- to prevent unfolding, there's already "nitpick_simp"
blanchet
parents: 41472
diff changeset
  1421
  | NONE => get_def_of_const thy fallback_table x |> Option.map (pair false)
01d722707a36 always unfold constant defitions marked with "nitpick_def" -- to prevent unfolding, there's already "nitpick_simp"
blanchet
parents: 41472
diff changeset
  1422
01d722707a36 always unfold constant defitions marked with "nitpick_def" -- to prevent unfolding, there's already "nitpick_simp"
blanchet
parents: 41472
diff changeset
  1423
val def_of_const = Option.map snd ooo def_of_const_ext
33192
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  1424
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  1425
fun fixpoint_kind_of_rhs (Abs (_, _, t)) = fixpoint_kind_of_rhs t
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  1426
  | fixpoint_kind_of_rhs (Const (@{const_name lfp}, _) $ Abs _) = Lfp
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  1427
  | fixpoint_kind_of_rhs (Const (@{const_name gfp}, _) $ Abs _) = Gfp
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  1428
  | fixpoint_kind_of_rhs _ = NoFp
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  1429
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  1430
fun is_mutually_inductive_pred_def thy table t =
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  1431
  let
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  1432
    fun is_good_arg (Bound _) = true
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  1433
      | is_good_arg (Const (s, _)) =
34936
c4f04bee79f3 some work on Nitpick's support for quotient types;
blanchet
parents: 34126
diff changeset
  1434
        s = @{const_name True} orelse s = @{const_name False} orelse
c4f04bee79f3 some work on Nitpick's support for quotient types;
blanchet
parents: 34126
diff changeset
  1435
        s = @{const_name undefined}
33192
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  1436
      | is_good_arg _ = false
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  1437
  in
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  1438
    case t |> strip_abs_body |> strip_comb of
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  1439
      (Const x, ts as (_ :: _)) =>
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  1440
      (case def_of_const thy table x of
38180
7a88032f9265 bump up the max cardinalities, to use up more of the time given to us by the user
blanchet
parents: 38174
diff changeset
  1441
         SOME t' => fixpoint_kind_of_rhs t' <> NoFp andalso
7a88032f9265 bump up the max cardinalities, to use up more of the time given to us by the user
blanchet
parents: 38174
diff changeset
  1442
                    forall is_good_arg ts
33192
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  1443
       | NONE => false)
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  1444
    | _ => false
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  1445
  end
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  1446
fun unfold_mutually_inductive_preds thy table =
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  1447
  map_aterms (fn t as Const x =>
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  1448
                 (case def_of_const thy table x of
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  1449
                    SOME t' =>
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  1450
                    let val t' = Envir.eta_contract t' in
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  1451
                      if is_mutually_inductive_pred_def thy table t' then t'
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  1452
                      else t
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  1453
                    end
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  1454
                 | NONE => t)
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  1455
               | t => t)
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  1456
38240
a44d108a8d39 local versions of Nitpick.register_xxx functions
blanchet
parents: 38215
diff changeset
  1457
fun case_const_names ctxt stds =
42361
23f352990944 modernized structure Proof_Context;
wenzelm
parents: 41994
diff changeset
  1458
  let val thy = Proof_Context.theory_of ctxt in
38240
a44d108a8d39 local versions of Nitpick.register_xxx functions
blanchet
parents: 38215
diff changeset
  1459
    Symtab.fold (fn (dtype_s, {index, descr, case_name, ...}) =>
a44d108a8d39 local versions of Nitpick.register_xxx functions
blanchet
parents: 38215
diff changeset
  1460
                    if is_basic_datatype thy stds dtype_s then
a44d108a8d39 local versions of Nitpick.register_xxx functions
blanchet
parents: 38215
diff changeset
  1461
                      I
a44d108a8d39 local versions of Nitpick.register_xxx functions
blanchet
parents: 38215
diff changeset
  1462
                    else
a44d108a8d39 local versions of Nitpick.register_xxx functions
blanchet
parents: 38215
diff changeset
  1463
                      cons (case_name, AList.lookup (op =) descr index
a44d108a8d39 local versions of Nitpick.register_xxx functions
blanchet
parents: 38215
diff changeset
  1464
                                       |> the |> #3 |> length))
a44d108a8d39 local versions of Nitpick.register_xxx functions
blanchet
parents: 38215
diff changeset
  1465
                (Datatype.get_all thy) [] @
55080
b7c41accbff2 have Nitpick lookup codatatypes
blanchet
parents: 55017
diff changeset
  1466
    map (apsnd length o snd) (#codatatypes (Data.get (Context.Proof ctxt))) @
55539
0819931d652d simplified data structure by reducing the incidence of clumsy indices
blanchet
parents: 55414
diff changeset
  1467
    map_filter (fn {fp, ctr_sugar = {casex, ...}, ...} =>
55576
315dd5920114 adapted Nitpick to 'primrec' refactoring
blanchet
parents: 55539
diff changeset
  1468
                   if fp = BNF_Util.Greatest_FP then
55539
0819931d652d simplified data structure by reducing the incidence of clumsy indices
blanchet
parents: 55414
diff changeset
  1469
                     SOME (apsnd num_binder_types (dest_Const casex))
0819931d652d simplified data structure by reducing the incidence of clumsy indices
blanchet
parents: 55414
diff changeset
  1470
                   else
0819931d652d simplified data structure by reducing the incidence of clumsy indices
blanchet
parents: 55414
diff changeset
  1471
                     NONE)
0819931d652d simplified data structure by reducing the incidence of clumsy indices
blanchet
parents: 55414
diff changeset
  1472
        (BNF_FP_Def_Sugar.fp_sugars_of ctxt)
38240
a44d108a8d39 local versions of Nitpick.register_xxx functions
blanchet
parents: 38215
diff changeset
  1473
  end
33192
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  1474
35718
eee1a5e0d334 moved some Nitpick code around
blanchet
parents: 35711
diff changeset
  1475
fun fixpoint_kind_of_const thy table x =
39359
6f49c7fbb1b1 remove "fast_descs" option from Nitpick;
blanchet
parents: 39345
diff changeset
  1476
  if is_built_in_const thy [(NONE, false)] x then NoFp
6f49c7fbb1b1 remove "fast_descs" option from Nitpick;
blanchet
parents: 39345
diff changeset
  1477
  else fixpoint_kind_of_rhs (the (def_of_const thy table x))
6f49c7fbb1b1 remove "fast_descs" option from Nitpick;
blanchet
parents: 39345
diff changeset
  1478
  handle Option.Option => NoFp
33192
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  1479
41791
01d722707a36 always unfold constant defitions marked with "nitpick_def" -- to prevent unfolding, there's already "nitpick_simp"
blanchet
parents: 41472
diff changeset
  1480
fun is_real_inductive_pred ({thy, stds, def_tables, intro_table, ...}
39359
6f49c7fbb1b1 remove "fast_descs" option from Nitpick;
blanchet
parents: 39345
diff changeset
  1481
                            : hol_context) x =
41791
01d722707a36 always unfold constant defitions marked with "nitpick_def" -- to prevent unfolding, there's already "nitpick_simp"
blanchet
parents: 41472
diff changeset
  1482
  fixpoint_kind_of_const thy def_tables x <> NoFp andalso
39359
6f49c7fbb1b1 remove "fast_descs" option from Nitpick;
blanchet
parents: 39345
diff changeset
  1483
  not (null (def_props_for_const thy stds intro_table x))
38205
37a7272cb453 handle inductive predicates correctly after change in "def" semantics
blanchet
parents: 38204
diff changeset
  1484
fun is_inductive_pred hol_ctxt (x as (s, _)) =
37a7272cb453 handle inductive predicates correctly after change in "def" semantics
blanchet
parents: 38204
diff changeset
  1485
  is_real_inductive_pred hol_ctxt x orelse String.isPrefix ubfp_prefix s orelse
37a7272cb453 handle inductive predicates correctly after change in "def" semantics
blanchet
parents: 38204
diff changeset
  1486
  String.isPrefix lbfp_prefix s
33192
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  1487
35718
eee1a5e0d334 moved some Nitpick code around
blanchet
parents: 35711
diff changeset
  1488
fun lhs_of_equation t =
eee1a5e0d334 moved some Nitpick code around
blanchet
parents: 35711
diff changeset
  1489
  case t of
eee1a5e0d334 moved some Nitpick code around
blanchet
parents: 35711
diff changeset
  1490
    Const (@{const_name all}, _) $ Abs (_, _, t1) => lhs_of_equation t1
eee1a5e0d334 moved some Nitpick code around
blanchet
parents: 35711
diff changeset
  1491
  | Const (@{const_name "=="}, _) $ t1 $ _ => SOME t1
eee1a5e0d334 moved some Nitpick code around
blanchet
parents: 35711
diff changeset
  1492
  | @{const "==>"} $ _ $ t2 => lhs_of_equation t2
eee1a5e0d334 moved some Nitpick code around
blanchet
parents: 35711
diff changeset
  1493
  | @{const Trueprop} $ t1 => lhs_of_equation t1
eee1a5e0d334 moved some Nitpick code around
blanchet
parents: 35711
diff changeset
  1494
  | Const (@{const_name All}, _) $ Abs (_, _, t1) => lhs_of_equation t1
38864
4abe644fcea5 formerly unnamed infix equality now named HOL.eq
haftmann
parents: 38795
diff changeset
  1495
  | Const (@{const_name HOL.eq}, _) $ t1 $ _ => SOME t1
38786
e46e7a9cb622 formerly unnamed infix impliciation now named HOL.implies
haftmann
parents: 38652
diff changeset
  1496
  | @{const HOL.implies} $ _ $ t2 => lhs_of_equation t2
35718
eee1a5e0d334 moved some Nitpick code around
blanchet
parents: 35711
diff changeset
  1497
  | _ => NONE
eee1a5e0d334 moved some Nitpick code around
blanchet
parents: 35711
diff changeset
  1498
fun is_constr_pattern _ (Bound _) = true
eee1a5e0d334 moved some Nitpick code around
blanchet
parents: 35711
diff changeset
  1499
  | is_constr_pattern _ (Var _) = true
37256
0dca1ec52999 thread along context instead of theory for typedef lookup
blanchet
parents: 37253
diff changeset
  1500
  | is_constr_pattern ctxt t =
35718
eee1a5e0d334 moved some Nitpick code around
blanchet
parents: 35711
diff changeset
  1501
    case strip_comb t of
eee1a5e0d334 moved some Nitpick code around
blanchet
parents: 35711
diff changeset
  1502
      (Const x, args) =>
37256
0dca1ec52999 thread along context instead of theory for typedef lookup
blanchet
parents: 37253
diff changeset
  1503
      is_constr_like ctxt x andalso forall (is_constr_pattern ctxt) args
35718
eee1a5e0d334 moved some Nitpick code around
blanchet
parents: 35711
diff changeset
  1504
    | _ => false
37256
0dca1ec52999 thread along context instead of theory for typedef lookup
blanchet
parents: 37253
diff changeset
  1505
fun is_constr_pattern_lhs ctxt t =
0dca1ec52999 thread along context instead of theory for typedef lookup
blanchet
parents: 37253
diff changeset
  1506
  forall (is_constr_pattern ctxt) (snd (strip_comb t))
0dca1ec52999 thread along context instead of theory for typedef lookup
blanchet
parents: 37253
diff changeset
  1507
fun is_constr_pattern_formula ctxt t =
35718
eee1a5e0d334 moved some Nitpick code around
blanchet
parents: 35711
diff changeset
  1508
  case lhs_of_equation t of
37256
0dca1ec52999 thread along context instead of theory for typedef lookup
blanchet
parents: 37253
diff changeset
  1509
    SOME t' => is_constr_pattern_lhs ctxt t'
35718
eee1a5e0d334 moved some Nitpick code around
blanchet
parents: 35711
diff changeset
  1510
  | NONE => false
eee1a5e0d334 moved some Nitpick code around
blanchet
parents: 35711
diff changeset
  1511
36555
8ff45c2076da expand combinators in Isar proofs constructed by Sledgehammer;
blanchet
parents: 36391
diff changeset
  1512
(* Similar to "specialize_type" but returns all matches rather than only the
8ff45c2076da expand combinators in Isar proofs constructed by Sledgehammer;
blanchet
parents: 36391
diff changeset
  1513
   first (preorder) match. *)
35807
e4d1b5cbd429 added support for "specification" and "ax_specification" constructs to Nitpick
blanchet
parents: 35743
diff changeset
  1514
fun multi_specialize_type thy slack (s, T) t =
e4d1b5cbd429 added support for "specification" and "ax_specification" constructs to Nitpick
blanchet
parents: 35743
diff changeset
  1515
  let
e4d1b5cbd429 added support for "specification" and "ax_specification" constructs to Nitpick
blanchet
parents: 35743
diff changeset
  1516
    fun aux (Const (s', T')) ys =
e4d1b5cbd429 added support for "specification" and "ax_specification" constructs to Nitpick
blanchet
parents: 35743
diff changeset
  1517
        if s = s' then
e4d1b5cbd429 added support for "specification" and "ax_specification" constructs to Nitpick
blanchet
parents: 35743
diff changeset
  1518
          ys |> (if AList.defined (op =) ys T' then
e4d1b5cbd429 added support for "specification" and "ax_specification" constructs to Nitpick
blanchet
parents: 35743
diff changeset
  1519
                   I
e4d1b5cbd429 added support for "specification" and "ax_specification" constructs to Nitpick
blanchet
parents: 35743
diff changeset
  1520
                 else
36555
8ff45c2076da expand combinators in Isar proofs constructed by Sledgehammer;
blanchet
parents: 36391
diff changeset
  1521
                   cons (T', monomorphic_term (Sign.typ_match thy (T', T)
8ff45c2076da expand combinators in Isar proofs constructed by Sledgehammer;
blanchet
parents: 36391
diff changeset
  1522
                                                              Vartab.empty) t)
35807
e4d1b5cbd429 added support for "specification" and "ax_specification" constructs to Nitpick
blanchet
parents: 35743
diff changeset
  1523
                   handle Type.TYPE_MATCH => I
36575
6e8a1c5eb0a8 catch the right exception
blanchet
parents: 36555
diff changeset
  1524
                        | TERM _ =>
35807
e4d1b5cbd429 added support for "specification" and "ax_specification" constructs to Nitpick
blanchet
parents: 35743
diff changeset
  1525
                          if slack then
e4d1b5cbd429 added support for "specification" and "ax_specification" constructs to Nitpick
blanchet
parents: 35743
diff changeset
  1526
                            I
e4d1b5cbd429 added support for "specification" and "ax_specification" constructs to Nitpick
blanchet
parents: 35743
diff changeset
  1527
                          else
37253
e01c1fe245cd don't include any axioms for "TYPE" in Nitpick
blanchet
parents: 37213
diff changeset
  1528
                            raise NOT_SUPPORTED
e01c1fe245cd don't include any axioms for "TYPE" in Nitpick
blanchet
parents: 37213
diff changeset
  1529
                                      ("too much polymorphism in axiom \"" ^
e01c1fe245cd don't include any axioms for "TYPE" in Nitpick
blanchet
parents: 37213
diff changeset
  1530
                                       Syntax.string_of_term_global thy t ^
e01c1fe245cd don't include any axioms for "TYPE" in Nitpick
blanchet
parents: 37213
diff changeset
  1531
                                       "\" involving " ^ quote s))
35807
e4d1b5cbd429 added support for "specification" and "ax_specification" constructs to Nitpick
blanchet
parents: 35743
diff changeset
  1532
        else
e4d1b5cbd429 added support for "specification" and "ax_specification" constructs to Nitpick
blanchet
parents: 35743
diff changeset
  1533
          ys
e4d1b5cbd429 added support for "specification" and "ax_specification" constructs to Nitpick
blanchet
parents: 35743
diff changeset
  1534
      | aux _ ys = ys
e4d1b5cbd429 added support for "specification" and "ax_specification" constructs to Nitpick
blanchet
parents: 35743
diff changeset
  1535
  in map snd (fold_aterms aux t []) end
e4d1b5cbd429 added support for "specification" and "ax_specification" constructs to Nitpick
blanchet
parents: 35743
diff changeset
  1536
fun nondef_props_for_const thy slack table (x as (s, _)) =
e4d1b5cbd429 added support for "specification" and "ax_specification" constructs to Nitpick
blanchet
parents: 35743
diff changeset
  1537
  these (Symtab.lookup table s) |> maps (multi_specialize_type thy slack x)
e4d1b5cbd429 added support for "specification" and "ax_specification" constructs to Nitpick
blanchet
parents: 35743
diff changeset
  1538
e4d1b5cbd429 added support for "specification" and "ax_specification" constructs to Nitpick
blanchet
parents: 35743
diff changeset
  1539
fun unvarify_term (t1 $ t2) = unvarify_term t1 $ unvarify_term t2
e4d1b5cbd429 added support for "specification" and "ax_specification" constructs to Nitpick
blanchet
parents: 35743
diff changeset
  1540
  | unvarify_term (Var ((s, 0), T)) = Free (s, T)
e4d1b5cbd429 added support for "specification" and "ax_specification" constructs to Nitpick
blanchet
parents: 35743
diff changeset
  1541
  | unvarify_term (Abs (s, T, t')) = Abs (s, T, unvarify_term t')
e4d1b5cbd429 added support for "specification" and "ax_specification" constructs to Nitpick
blanchet
parents: 35743
diff changeset
  1542
  | unvarify_term t = t
e4d1b5cbd429 added support for "specification" and "ax_specification" constructs to Nitpick
blanchet
parents: 35743
diff changeset
  1543
fun axiom_for_choice_spec thy =
e4d1b5cbd429 added support for "specification" and "ax_specification" constructs to Nitpick
blanchet
parents: 35743
diff changeset
  1544
  unvarify_term
e4d1b5cbd429 added support for "specification" and "ax_specification" constructs to Nitpick
blanchet
parents: 35743
diff changeset
  1545
  #> Object_Logic.atomize_term thy
e4d1b5cbd429 added support for "specification" and "ax_specification" constructs to Nitpick
blanchet
parents: 35743
diff changeset
  1546
  #> Choice_Specification.close_form
e4d1b5cbd429 added support for "specification" and "ax_specification" constructs to Nitpick
blanchet
parents: 35743
diff changeset
  1547
  #> HOLogic.mk_Trueprop
41791
01d722707a36 always unfold constant defitions marked with "nitpick_def" -- to prevent unfolding, there's already "nitpick_simp"
blanchet
parents: 41472
diff changeset
  1548
fun is_choice_spec_fun ({thy, def_tables, nondef_table, choice_spec_table, ...}
35807
e4d1b5cbd429 added support for "specification" and "ax_specification" constructs to Nitpick
blanchet
parents: 35743
diff changeset
  1549
                        : hol_context) x =
e4d1b5cbd429 added support for "specification" and "ax_specification" constructs to Nitpick
blanchet
parents: 35743
diff changeset
  1550
  case nondef_props_for_const thy true choice_spec_table x of
e4d1b5cbd429 added support for "specification" and "ax_specification" constructs to Nitpick
blanchet
parents: 35743
diff changeset
  1551
    [] => false
41791
01d722707a36 always unfold constant defitions marked with "nitpick_def" -- to prevent unfolding, there's already "nitpick_simp"
blanchet
parents: 41472
diff changeset
  1552
  | ts => case def_of_const thy def_tables x of
35807
e4d1b5cbd429 added support for "specification" and "ax_specification" constructs to Nitpick
blanchet
parents: 35743
diff changeset
  1553
            SOME (Const (@{const_name Eps}, _) $ _) => true
e4d1b5cbd429 added support for "specification" and "ax_specification" constructs to Nitpick
blanchet
parents: 35743
diff changeset
  1554
          | SOME _ => false
e4d1b5cbd429 added support for "specification" and "ax_specification" constructs to Nitpick
blanchet
parents: 35743
diff changeset
  1555
          | NONE =>
e4d1b5cbd429 added support for "specification" and "ax_specification" constructs to Nitpick
blanchet
parents: 35743
diff changeset
  1556
            let val ts' = nondef_props_for_const thy true nondef_table x in
e4d1b5cbd429 added support for "specification" and "ax_specification" constructs to Nitpick
blanchet
parents: 35743
diff changeset
  1557
              length ts' = length ts andalso
e4d1b5cbd429 added support for "specification" and "ax_specification" constructs to Nitpick
blanchet
parents: 35743
diff changeset
  1558
              forall (fn t =>
e4d1b5cbd429 added support for "specification" and "ax_specification" constructs to Nitpick
blanchet
parents: 35743
diff changeset
  1559
                         exists (curry (op aconv) (axiom_for_choice_spec thy t))
e4d1b5cbd429 added support for "specification" and "ax_specification" constructs to Nitpick
blanchet
parents: 35743
diff changeset
  1560
                                ts') ts
e4d1b5cbd429 added support for "specification" and "ax_specification" constructs to Nitpick
blanchet
parents: 35743
diff changeset
  1561
            end
e4d1b5cbd429 added support for "specification" and "ax_specification" constructs to Nitpick
blanchet
parents: 35743
diff changeset
  1562
e4d1b5cbd429 added support for "specification" and "ax_specification" constructs to Nitpick
blanchet
parents: 35743
diff changeset
  1563
fun is_choice_spec_axiom thy choice_spec_table t =
e4d1b5cbd429 added support for "specification" and "ax_specification" constructs to Nitpick
blanchet
parents: 35743
diff changeset
  1564
  Symtab.exists (fn (_, ts) =>
e4d1b5cbd429 added support for "specification" and "ax_specification" constructs to Nitpick
blanchet
parents: 35743
diff changeset
  1565
                    exists (curry (op aconv) t o axiom_for_choice_spec thy) ts)
e4d1b5cbd429 added support for "specification" and "ax_specification" constructs to Nitpick
blanchet
parents: 35743
diff changeset
  1566
                choice_spec_table
e4d1b5cbd429 added support for "specification" and "ax_specification" constructs to Nitpick
blanchet
parents: 35743
diff changeset
  1567
39359
6f49c7fbb1b1 remove "fast_descs" option from Nitpick;
blanchet
parents: 39345
diff changeset
  1568
fun is_real_equational_fun ({thy, stds, simp_table, psimp_table, ...}
6f49c7fbb1b1 remove "fast_descs" option from Nitpick;
blanchet
parents: 39345
diff changeset
  1569
                            : hol_context) x =
6f49c7fbb1b1 remove "fast_descs" option from Nitpick;
blanchet
parents: 39345
diff changeset
  1570
  exists (fn table => not (null (def_props_for_const thy stds table x)))
38205
37a7272cb453 handle inductive predicates correctly after change in "def" semantics
blanchet
parents: 38204
diff changeset
  1571
         [!simp_table, psimp_table]
38202
379fb08da97b prevent the expansion of too large definitions -- use equations for these instead
blanchet
parents: 38201
diff changeset
  1572
fun is_equational_fun_but_no_plain_def hol_ctxt =
38205
37a7272cb453 handle inductive predicates correctly after change in "def" semantics
blanchet
parents: 38204
diff changeset
  1573
  is_real_equational_fun hol_ctxt orf is_inductive_pred hol_ctxt
38202
379fb08da97b prevent the expansion of too large definitions -- use equations for these instead
blanchet
parents: 38201
diff changeset
  1574
35718
eee1a5e0d334 moved some Nitpick code around
blanchet
parents: 35711
diff changeset
  1575
(** Constant unfolding **)
33192
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  1576
42958
034fc4d0c909 fixed de Bruijn index bug
blanchet
parents: 42793
diff changeset
  1577
fun constr_case_body ctxt stds Ts (func_t, (x as (_, T))) =
33192
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  1578
  let val arg_Ts = binder_types T in
42958
034fc4d0c909 fixed de Bruijn index bug
blanchet
parents: 42793
diff changeset
  1579
    s_betapplys Ts (func_t, map2 (select_nth_constr_arg ctxt stds x (Bound 0))
37476
0681e46b4022 optimized code generated for datatype cases + more;
blanchet
parents: 37269
diff changeset
  1580
                                 (index_seq 0 (length arg_Ts)) arg_Ts)
33192
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  1581
  end
37476
0681e46b4022 optimized code generated for datatype cases + more;
blanchet
parents: 37269
diff changeset
  1582
fun add_constr_case res_T (body_t, guard_t) res_t =
0681e46b4022 optimized code generated for datatype cases + more;
blanchet
parents: 37269
diff changeset
  1583
  if res_T = bool_T then
0681e46b4022 optimized code generated for datatype cases + more;
blanchet
parents: 37269
diff changeset
  1584
    s_conj (HOLogic.mk_imp (guard_t, body_t), res_t)
0681e46b4022 optimized code generated for datatype cases + more;
blanchet
parents: 37269
diff changeset
  1585
  else
0681e46b4022 optimized code generated for datatype cases + more;
blanchet
parents: 37269
diff changeset
  1586
    Const (@{const_name If}, bool_T --> res_T --> res_T --> res_T)
0681e46b4022 optimized code generated for datatype cases + more;
blanchet
parents: 37269
diff changeset
  1587
    $ guard_t $ body_t $ res_t
42958
034fc4d0c909 fixed de Bruijn index bug
blanchet
parents: 42793
diff changeset
  1588
fun optimized_case_def (hol_ctxt as {ctxt, stds, ...}) Ts dataT res_T func_ts =
33192
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  1589
  let
35070
96136eb6218f split "nitpick_hol.ML" into two files to make it more manageable;
blanchet
parents: 34998
diff changeset
  1590
    val xs = datatype_constrs hol_ctxt dataT
37476
0681e46b4022 optimized code generated for datatype cases + more;
blanchet
parents: 37269
diff changeset
  1591
    val cases =
0681e46b4022 optimized code generated for datatype cases + more;
blanchet
parents: 37269
diff changeset
  1592
      func_ts ~~ xs
0681e46b4022 optimized code generated for datatype cases + more;
blanchet
parents: 37269
diff changeset
  1593
      |> map (fn (func_t, x) =>
42958
034fc4d0c909 fixed de Bruijn index bug
blanchet
parents: 42793
diff changeset
  1594
                 (constr_case_body ctxt stds (dataT :: Ts)
034fc4d0c909 fixed de Bruijn index bug
blanchet
parents: 42793
diff changeset
  1595
                                   (incr_boundvars 1 func_t, x),
37476
0681e46b4022 optimized code generated for datatype cases + more;
blanchet
parents: 37269
diff changeset
  1596
                  discriminate_value hol_ctxt x (Bound 0)))
0681e46b4022 optimized code generated for datatype cases + more;
blanchet
parents: 37269
diff changeset
  1597
      |> AList.group (op aconv)
0681e46b4022 optimized code generated for datatype cases + more;
blanchet
parents: 37269
diff changeset
  1598
      |> map (apsnd (List.foldl s_disj @{const False}))
37482
6849464ab10e sort cases on the proper key
blanchet
parents: 37476
diff changeset
  1599
      |> sort (int_ord o pairself (size_of_term o snd))
37476
0681e46b4022 optimized code generated for datatype cases + more;
blanchet
parents: 37269
diff changeset
  1600
      |> rev
33192
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  1601
  in
37476
0681e46b4022 optimized code generated for datatype cases + more;
blanchet
parents: 37269
diff changeset
  1602
    if res_T = bool_T then
0681e46b4022 optimized code generated for datatype cases + more;
blanchet
parents: 37269
diff changeset
  1603
      if forall (member (op =) [@{const False}, @{const True}] o fst) cases then
0681e46b4022 optimized code generated for datatype cases + more;
blanchet
parents: 37269
diff changeset
  1604
        case cases of
0681e46b4022 optimized code generated for datatype cases + more;
blanchet
parents: 37269
diff changeset
  1605
          [(body_t, _)] => body_t
0681e46b4022 optimized code generated for datatype cases + more;
blanchet
parents: 37269
diff changeset
  1606
        | [_, (@{const True}, head_t2)] => head_t2
0681e46b4022 optimized code generated for datatype cases + more;
blanchet
parents: 37269
diff changeset
  1607
        | [_, (@{const False}, head_t2)] => @{const Not} $ head_t2
0681e46b4022 optimized code generated for datatype cases + more;
blanchet
parents: 37269
diff changeset
  1608
        | _ => raise BAD ("Nitpick_HOL.optimized_case_def", "impossible cases")
39315
27f7b7748425 always handle type variables in typedefs as global
blanchet
parents: 38864
diff changeset
  1609
      else
37476
0681e46b4022 optimized code generated for datatype cases + more;
blanchet
parents: 37269
diff changeset
  1610
        @{const True} |> fold_rev (add_constr_case res_T) cases
0681e46b4022 optimized code generated for datatype cases + more;
blanchet
parents: 37269
diff changeset
  1611
    else
0681e46b4022 optimized code generated for datatype cases + more;
blanchet
parents: 37269
diff changeset
  1612
      fst (hd cases) |> fold_rev (add_constr_case res_T) (tl cases)
33192
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  1613
  end
44241
7943b69f0188 modernized signature of Term.absfree/absdummy;
wenzelm
parents: 44017
diff changeset
  1614
  |> absdummy dataT
37476
0681e46b4022 optimized code generated for datatype cases + more;
blanchet
parents: 37269
diff changeset
  1615
37256
0dca1ec52999 thread along context instead of theory for typedef lookup
blanchet
parents: 37253
diff changeset
  1616
fun optimized_record_get (hol_ctxt as {thy, ctxt, stds, ...}) s rec_T res_T t =
35070
96136eb6218f split "nitpick_hol.ML" into two files to make it more manageable;
blanchet
parents: 34998
diff changeset
  1617
  let val constr_x = hd (datatype_constrs hol_ctxt rec_T) in
33192
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  1618
    case no_of_record_field thy s rec_T of
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  1619
      ~1 => (case rec_T of
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  1620
               Type (_, Ts as _ :: _) =>
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  1621
               let
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  1622
                 val rec_T' = List.last Ts
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  1623
                 val j = num_record_fields thy rec_T - 1
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  1624
               in
37256
0dca1ec52999 thread along context instead of theory for typedef lookup
blanchet
parents: 37253
diff changeset
  1625
                 select_nth_constr_arg ctxt stds constr_x t j res_T
35070
96136eb6218f split "nitpick_hol.ML" into two files to make it more manageable;
blanchet
parents: 34998
diff changeset
  1626
                 |> optimized_record_get hol_ctxt s rec_T' res_T
33192
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  1627
               end
33232
f93390060bbe internal renaming in Nitpick and fixed Kodkodi invokation on Linux;
blanchet
parents: 33202
diff changeset
  1628
             | _ => raise TYPE ("Nitpick_HOL.optimized_record_get", [rec_T],
f93390060bbe internal renaming in Nitpick and fixed Kodkodi invokation on Linux;
blanchet
parents: 33202
diff changeset
  1629
                                []))
37256
0dca1ec52999 thread along context instead of theory for typedef lookup
blanchet
parents: 37253
diff changeset
  1630
    | j => select_nth_constr_arg ctxt stds constr_x t j res_T
33192
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  1631
  end
37256
0dca1ec52999 thread along context instead of theory for typedef lookup
blanchet
parents: 37253
diff changeset
  1632
fun optimized_record_update (hol_ctxt as {thy, ctxt, stds, ...}) s rec_T fun_t
0dca1ec52999 thread along context instead of theory for typedef lookup
blanchet
parents: 37253
diff changeset
  1633
                            rec_t =
33192
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  1634
  let
35070
96136eb6218f split "nitpick_hol.ML" into two files to make it more manageable;
blanchet
parents: 34998
diff changeset
  1635
    val constr_x as (_, constr_T) = hd (datatype_constrs hol_ctxt rec_T)
33192
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  1636
    val Ts = binder_types constr_T
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  1637
    val n = length Ts
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  1638
    val special_j = no_of_record_field thy s rec_T
35220
2bcdae5f4fdb added support for nonstandard "nat"s to Nitpick and fixed bugs in binary "nat"s and "int"s
blanchet
parents: 35190
diff changeset
  1639
    val ts =
2bcdae5f4fdb added support for nonstandard "nat"s to Nitpick and fixed bugs in binary "nat"s and "int"s
blanchet
parents: 35190
diff changeset
  1640
      map2 (fn j => fn T =>
37256
0dca1ec52999 thread along context instead of theory for typedef lookup
blanchet
parents: 37253
diff changeset
  1641
               let val t = select_nth_constr_arg ctxt stds constr_x rec_t j T in
35220
2bcdae5f4fdb added support for nonstandard "nat"s to Nitpick and fixed bugs in binary "nat"s and "int"s
blanchet
parents: 35190
diff changeset
  1642
                 if j = special_j then
37476
0681e46b4022 optimized code generated for datatype cases + more;
blanchet
parents: 37269
diff changeset
  1643
                   s_betapply [] (fun_t, t)
35220
2bcdae5f4fdb added support for nonstandard "nat"s to Nitpick and fixed bugs in binary "nat"s and "int"s
blanchet
parents: 35190
diff changeset
  1644
                 else if j = n - 1 andalso special_j = ~1 then
2bcdae5f4fdb added support for nonstandard "nat"s to Nitpick and fixed bugs in binary "nat"s and "int"s
blanchet
parents: 35190
diff changeset
  1645
                   optimized_record_update hol_ctxt s
2bcdae5f4fdb added support for nonstandard "nat"s to Nitpick and fixed bugs in binary "nat"s and "int"s
blanchet
parents: 35190
diff changeset
  1646
                       (rec_T |> dest_Type |> snd |> List.last) fun_t t
2bcdae5f4fdb added support for nonstandard "nat"s to Nitpick and fixed bugs in binary "nat"s and "int"s
blanchet
parents: 35190
diff changeset
  1647
                 else
2bcdae5f4fdb added support for nonstandard "nat"s to Nitpick and fixed bugs in binary "nat"s and "int"s
blanchet
parents: 35190
diff changeset
  1648
                   t
2bcdae5f4fdb added support for nonstandard "nat"s to Nitpick and fixed bugs in binary "nat"s and "int"s
blanchet
parents: 35190
diff changeset
  1649
               end) (index_seq 0 n) Ts
33192
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  1650
  in list_comb (Const constr_x, ts) end
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  1651
35070
96136eb6218f split "nitpick_hol.ML" into two files to make it more manageable;
blanchet
parents: 34998
diff changeset
  1652
(* Prevents divergence in case of cyclic or infinite definition dependencies. *)
33747
3aa6b9911252 bump up Nitpick's axiom/definition unfolding limits, because some real-world problems (e.g. from Boogie) ran into the previous limits;
blanchet
parents: 33743
diff changeset
  1653
val unfold_max_depth = 255
33192
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  1654
38206
78403fcd0ec5 fiddle with specialization etc.
blanchet
parents: 38205
diff changeset
  1655
(* Inline definitions or define as an equational constant? Booleans tend to
41871
394eef237bd1 lower threshold for implicitly using "nitpick_simp" for predicate definitions when "total_consts" is on
blanchet
parents: 41860
diff changeset
  1656
   benefit more from inlining, due to the polarity analysis. (However, if
394eef237bd1 lower threshold for implicitly using "nitpick_simp" for predicate definitions when "total_consts" is on
blanchet
parents: 41860
diff changeset
  1657
   "total_consts" is set, the polarity analysis is likely not to be so
394eef237bd1 lower threshold for implicitly using "nitpick_simp" for predicate definitions when "total_consts" is on
blanchet
parents: 41860
diff changeset
  1658
   crucial.) *)
41793
c7a2669ae75d tweaked Nitpick based on C++ memory model example
blanchet
parents: 41792
diff changeset
  1659
val def_inline_threshold_for_booleans = 60
38206
78403fcd0ec5 fiddle with specialization etc.
blanchet
parents: 38205
diff changeset
  1660
val def_inline_threshold_for_non_booleans = 20
38202
379fb08da97b prevent the expansion of too large definitions -- use equations for these instead
blanchet
parents: 38201
diff changeset
  1661
38209
3d1d928dce50 added "whack"
blanchet
parents: 38208
diff changeset
  1662
fun unfold_defs_in_term
41871
394eef237bd1 lower threshold for implicitly using "nitpick_simp" for predicate definitions when "total_consts" is on
blanchet
parents: 41860
diff changeset
  1663
        (hol_ctxt as {thy, ctxt, stds, whacks, total_consts, case_names,
394eef237bd1 lower threshold for implicitly using "nitpick_simp" for predicate definitions when "total_consts" is on
blanchet
parents: 41860
diff changeset
  1664
                      def_tables, ground_thm_table, ersatz_table, ...}) =
33192
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  1665
  let
54489
03ff4d1e6784 eliminiated neg_numeral in favour of - (numeral _)
haftmann
parents: 54294
diff changeset
  1666
    fun do_numeral depth Ts mult T some_t0 t1 t2 =
47109
db5026631799 fixed Nitpick after numeral representation change (2a1953f0d20d)
blanchet
parents: 47108
diff changeset
  1667
      (if is_number_type ctxt T then
db5026631799 fixed Nitpick after numeral representation change (2a1953f0d20d)
blanchet
parents: 47108
diff changeset
  1668
         let
54489
03ff4d1e6784 eliminiated neg_numeral in favour of - (numeral _)
haftmann
parents: 54294
diff changeset
  1669
           val j = mult * HOLogic.dest_num t2
47109
db5026631799 fixed Nitpick after numeral representation change (2a1953f0d20d)
blanchet
parents: 47108
diff changeset
  1670
         in
47782
1678955ca991 fixed bug in handling of new numerals -- the left-hand side of "Numeral1 = 1" should be left alone and not translated to a built-in Kodkod numeral in the specification of the "numeral" function
blanchet
parents: 47668
diff changeset
  1671
           if j = 1 then
1678955ca991 fixed bug in handling of new numerals -- the left-hand side of "Numeral1 = 1" should be left alone and not translated to a built-in Kodkod numeral in the specification of the "numeral" function
blanchet
parents: 47668
diff changeset
  1672
             raise SAME ()
47109
db5026631799 fixed Nitpick after numeral representation change (2a1953f0d20d)
blanchet
parents: 47108
diff changeset
  1673
           else
47782
1678955ca991 fixed bug in handling of new numerals -- the left-hand side of "Numeral1 = 1" should be left alone and not translated to a built-in Kodkod numeral in the specification of the "numeral" function
blanchet
parents: 47668
diff changeset
  1674
             let
1678955ca991 fixed bug in handling of new numerals -- the left-hand side of "Numeral1 = 1" should be left alone and not translated to a built-in Kodkod numeral in the specification of the "numeral" function
blanchet
parents: 47668
diff changeset
  1675
               val s = numeral_prefix ^ signed_string_of_int j
1678955ca991 fixed bug in handling of new numerals -- the left-hand side of "Numeral1 = 1" should be left alone and not translated to a built-in Kodkod numeral in the specification of the "numeral" function
blanchet
parents: 47668
diff changeset
  1676
             in
1678955ca991 fixed bug in handling of new numerals -- the left-hand side of "Numeral1 = 1" should be left alone and not translated to a built-in Kodkod numeral in the specification of the "numeral" function
blanchet
parents: 47668
diff changeset
  1677
               if is_integer_like_type T then
1678955ca991 fixed bug in handling of new numerals -- the left-hand side of "Numeral1 = 1" should be left alone and not translated to a built-in Kodkod numeral in the specification of the "numeral" function
blanchet
parents: 47668
diff changeset
  1678
                 if is_standard_datatype thy stds T then Const (s, T)
1678955ca991 fixed bug in handling of new numerals -- the left-hand side of "Numeral1 = 1" should be left alone and not translated to a built-in Kodkod numeral in the specification of the "numeral" function
blanchet
parents: 47668
diff changeset
  1679
                 else funpow j (curry (op $) (suc_const T)) (zero_const T)
1678955ca991 fixed bug in handling of new numerals -- the left-hand side of "Numeral1 = 1" should be left alone and not translated to a built-in Kodkod numeral in the specification of the "numeral" function
blanchet
parents: 47668
diff changeset
  1680
               else
1678955ca991 fixed bug in handling of new numerals -- the left-hand side of "Numeral1 = 1" should be left alone and not translated to a built-in Kodkod numeral in the specification of the "numeral" function
blanchet
parents: 47668
diff changeset
  1681
                 do_term depth Ts (Const (@{const_name of_int}, int_T --> T)
1678955ca991 fixed bug in handling of new numerals -- the left-hand side of "Numeral1 = 1" should be left alone and not translated to a built-in Kodkod numeral in the specification of the "numeral" function
blanchet
parents: 47668
diff changeset
  1682
                                   $ Const (s, int_T))
1678955ca991 fixed bug in handling of new numerals -- the left-hand side of "Numeral1 = 1" should be left alone and not translated to a built-in Kodkod numeral in the specification of the "numeral" function
blanchet
parents: 47668
diff changeset
  1683
             end
47109
db5026631799 fixed Nitpick after numeral representation change (2a1953f0d20d)
blanchet
parents: 47108
diff changeset
  1684
         end
db5026631799 fixed Nitpick after numeral representation change (2a1953f0d20d)
blanchet
parents: 47108
diff changeset
  1685
         handle TERM _ => raise SAME ()
db5026631799 fixed Nitpick after numeral representation change (2a1953f0d20d)
blanchet
parents: 47108
diff changeset
  1686
       else
db5026631799 fixed Nitpick after numeral representation change (2a1953f0d20d)
blanchet
parents: 47108
diff changeset
  1687
         raise SAME ())
54489
03ff4d1e6784 eliminiated neg_numeral in favour of - (numeral _)
haftmann
parents: 54294
diff changeset
  1688
      handle SAME () => (case some_t0 of NONE => s_betapply [] (do_term depth Ts t1, do_term depth Ts t2)
03ff4d1e6784 eliminiated neg_numeral in favour of - (numeral _)
haftmann
parents: 54294
diff changeset
  1689
         | SOME t0 => s_betapply [] (do_term depth Ts t0, s_betapply [] (do_term depth Ts t1, do_term depth Ts t2)))
47109
db5026631799 fixed Nitpick after numeral representation change (2a1953f0d20d)
blanchet
parents: 47108
diff changeset
  1690
    and do_term depth Ts t =
33192
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  1691
      case t of
54489
03ff4d1e6784 eliminiated neg_numeral in favour of - (numeral _)
haftmann
parents: 54294
diff changeset
  1692
        (t0 as Const (@{const_name uminus}, _) $ ((t1 as Const (@{const_name numeral},
03ff4d1e6784 eliminiated neg_numeral in favour of - (numeral _)
haftmann
parents: 54294
diff changeset
  1693
                      Type (@{type_name fun}, [_, ran_T]))) $ t2)) =>
03ff4d1e6784 eliminiated neg_numeral in favour of - (numeral _)
haftmann
parents: 54294
diff changeset
  1694
        do_numeral depth Ts ~1 ran_T (SOME t0) t1 t2
03ff4d1e6784 eliminiated neg_numeral in favour of - (numeral _)
haftmann
parents: 54294
diff changeset
  1695
      | (t1 as Const (@{const_name numeral},
03ff4d1e6784 eliminiated neg_numeral in favour of - (numeral _)
haftmann
parents: 54294
diff changeset
  1696
                      Type (@{type_name fun}, [_, ran_T]))) $ t2 =>
03ff4d1e6784 eliminiated neg_numeral in favour of - (numeral _)
haftmann
parents: 54294
diff changeset
  1697
        do_numeral depth Ts 1 ran_T NONE t1 t2
33864
232daf7eafaf fix Nitpick soundness bugs related to integration (in particular, "code_numeral")
blanchet
parents: 33851
diff changeset
  1698
      | Const (@{const_name refl_on}, T) $ Const (@{const_name top}, _) $ t2 =>
33192
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  1699
        do_const depth Ts t (@{const_name refl'}, range_type T) [t2]
41046
f2e94005d283 fix special handling of set products
blanchet
parents: 41045
diff changeset
  1700
      | (t0 as Const (@{const_name Sigma}, Type (_, [T1, Type (_, [T2, T3])])))
f2e94005d283 fix special handling of set products
blanchet
parents: 41045
diff changeset
  1701
        $ t1 $ (t2 as Abs (_, _, t2')) =>
f2e94005d283 fix special handling of set products
blanchet
parents: 41045
diff changeset
  1702
        if loose_bvar1 (t2', 0) then
f2e94005d283 fix special handling of set products
blanchet
parents: 41045
diff changeset
  1703
          s_betapplys Ts (do_term depth Ts t0, map (do_term depth Ts) [t1, t2])
f2e94005d283 fix special handling of set products
blanchet
parents: 41045
diff changeset
  1704
        else
f2e94005d283 fix special handling of set products
blanchet
parents: 41045
diff changeset
  1705
          do_term depth Ts
f2e94005d283 fix special handling of set products
blanchet
parents: 41045
diff changeset
  1706
                  (Const (@{const_name prod}, T1 --> range_type T2 --> T3)
f2e94005d283 fix special handling of set products
blanchet
parents: 41045
diff changeset
  1707
                   $ t1 $ incr_boundvars ~1 t2')
33192
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  1708
      | Const (x as (@{const_name distinct},
35665
ff2bf50505ab added "finitize" option to Nitpick + remove dependency on "Coinductive_List"
blanchet
parents: 35625
diff changeset
  1709
               Type (@{type_name fun}, [Type (@{type_name list}, [T']), _])))
33192
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  1710
        $ (t1 as _ $ _) =>
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  1711
        (t1 |> HOLogic.dest_list |> distinctness_formula T'
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  1712
         handle TERM _ => do_const depth Ts t x [t1])
35280
54ab4921f826 fixed a few bugs in Nitpick and removed unreferenced variables
blanchet
parents: 35220
diff changeset
  1713
      | Const (x as (@{const_name If}, _)) $ t1 $ t2 $ t3 =>
34936
c4f04bee79f3 some work on Nitpick's support for quotient types;
blanchet
parents: 34126
diff changeset
  1714
        if is_ground_term t1 andalso
c4f04bee79f3 some work on Nitpick's support for quotient types;
blanchet
parents: 34126
diff changeset
  1715
           exists (Pattern.matches thy o rpair t1)
c4f04bee79f3 some work on Nitpick's support for quotient types;
blanchet
parents: 34126
diff changeset
  1716
                  (Inttab.lookup_list ground_thm_table (hash_term t1)) then
33192
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  1717
          do_term depth Ts t2
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  1718
        else
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  1719
          do_const depth Ts t x [t1, t2, t3]
41045
2a41709f34c1 use heuristic to determine whether to keep or drop an existing "let" -- and drop all higher-order lets
blanchet
parents: 40132
diff changeset
  1720
      | Const (@{const_name Let}, _) $ t1 $ t2 =>
2a41709f34c1 use heuristic to determine whether to keep or drop an existing "let" -- and drop all higher-order lets
blanchet
parents: 40132
diff changeset
  1721
        s_betapply Ts (pairself (do_term depth Ts) (t2, t1))
33192
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  1722
      | Const x => do_const depth Ts t x []
37476
0681e46b4022 optimized code generated for datatype cases + more;
blanchet
parents: 37269
diff changeset
  1723
      | t1 $ t2 =>
0681e46b4022 optimized code generated for datatype cases + more;
blanchet
parents: 37269
diff changeset
  1724
        (case strip_comb t of
0681e46b4022 optimized code generated for datatype cases + more;
blanchet
parents: 37269
diff changeset
  1725
           (Const x, ts) => do_const depth Ts t x ts
0681e46b4022 optimized code generated for datatype cases + more;
blanchet
parents: 37269
diff changeset
  1726
         | _ => s_betapply [] (do_term depth Ts t1, do_term depth Ts t2))
33192
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  1727
      | Bound _ => t
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  1728
      | Abs (s, T, body) => Abs (s, T, do_term depth (T :: Ts) body)
38209
3d1d928dce50 added "whack"
blanchet
parents: 38208
diff changeset
  1729
      | _ => if member (term_match thy) whacks t then
3d1d928dce50 added "whack"
blanchet
parents: 38208
diff changeset
  1730
               Const (@{const_name unknown}, fastype_of1 (Ts, t))
3d1d928dce50 added "whack"
blanchet
parents: 38208
diff changeset
  1731
             else
3d1d928dce50 added "whack"
blanchet
parents: 38208
diff changeset
  1732
               t
33192
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  1733
    and select_nth_constr_arg_with_args _ _ (x as (_, T)) [] n res_T =
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  1734
        (Abs (Name.uu, body_type T,
37256
0dca1ec52999 thread along context instead of theory for typedef lookup
blanchet
parents: 37253
diff changeset
  1735
              select_nth_constr_arg ctxt stds x (Bound 0) n res_T), [])
33192
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  1736
      | select_nth_constr_arg_with_args depth Ts x (t :: ts) n res_T =
37256
0dca1ec52999 thread along context instead of theory for typedef lookup
blanchet
parents: 37253
diff changeset
  1737
        (select_nth_constr_arg ctxt stds x (do_term depth Ts t) n res_T, ts)
38207
792b78e355e7 added support for "Abs_" and "Rep_" functions on quotient types
blanchet
parents: 38206
diff changeset
  1738
    and quot_rep_of depth Ts abs_T rep_T ts =
792b78e355e7 added support for "Abs_" and "Rep_" functions on quotient types
blanchet
parents: 38206
diff changeset
  1739
      select_nth_constr_arg_with_args depth Ts
792b78e355e7 added support for "Abs_" and "Rep_" functions on quotient types
blanchet
parents: 38206
diff changeset
  1740
          (@{const_name Quot}, rep_T --> abs_T) ts 0 rep_T
33192
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  1741
    and do_const depth Ts t (x as (s, T)) ts =
38209
3d1d928dce50 added "whack"
blanchet
parents: 38208
diff changeset
  1742
      if member (term_match thy) whacks (Const x) then
3d1d928dce50 added "whack"
blanchet
parents: 38208
diff changeset
  1743
        Const (@{const_name unknown}, fastype_of1 (Ts, t))
3d1d928dce50 added "whack"
blanchet
parents: 38208
diff changeset
  1744
      else case AList.lookup (op =) ersatz_table s of
33192
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  1745
        SOME s' =>
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  1746
        do_const (depth + 1) Ts (list_comb (Const (s', T), ts)) (s', T) ts
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  1747
      | NONE =>
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  1748
        let
38206
78403fcd0ec5 fiddle with specialization etc.
blanchet
parents: 38205
diff changeset
  1749
          fun def_inline_threshold () =
47990
7a642e5c272c fixed soundness bug in Nitpick related to unfolding -- the unfolding criterion must at least as strict when looking at a definitional axiom as elsewhere, otherwise we end up unfolding a constant's definition in its own definition, yielding a trivial equality
blanchet
parents: 47909
diff changeset
  1750
            if is_boolean_type (body_type T) andalso
41871
394eef237bd1 lower threshold for implicitly using "nitpick_simp" for predicate definitions when "total_consts" is on
blanchet
parents: 41860
diff changeset
  1751
               total_consts <> SOME true then
38206
78403fcd0ec5 fiddle with specialization etc.
blanchet
parents: 38205
diff changeset
  1752
              def_inline_threshold_for_booleans
78403fcd0ec5 fiddle with specialization etc.
blanchet
parents: 38205
diff changeset
  1753
            else
78403fcd0ec5 fiddle with specialization etc.
blanchet
parents: 38205
diff changeset
  1754
              def_inline_threshold_for_non_booleans
33192
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  1755
          val (const, ts) =
39359
6f49c7fbb1b1 remove "fast_descs" option from Nitpick;
blanchet
parents: 39345
diff changeset
  1756
            if is_built_in_const thy stds x then
33877
e779bea3d337 fix Nitpick soundness bug related to "finite (UNIV::'a set)" where "'a" is constrained by a sort to be infinite
blanchet
parents: 33876
diff changeset
  1757
              (Const x, ts)
33192
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  1758
            else case AList.lookup (op =) case_names s of
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  1759
              SOME n =>
37476
0681e46b4022 optimized code generated for datatype cases + more;
blanchet
parents: 37269
diff changeset
  1760
              if length ts < n then
0681e46b4022 optimized code generated for datatype cases + more;
blanchet
parents: 37269
diff changeset
  1761
                (do_term depth Ts (eta_expand Ts t (n - length ts)), [])
0681e46b4022 optimized code generated for datatype cases + more;
blanchet
parents: 37269
diff changeset
  1762
              else
0681e46b4022 optimized code generated for datatype cases + more;
blanchet
parents: 37269
diff changeset
  1763
                let
0681e46b4022 optimized code generated for datatype cases + more;
blanchet
parents: 37269
diff changeset
  1764
                  val (dataT, res_T) = nth_range_type n T
0681e46b4022 optimized code generated for datatype cases + more;
blanchet
parents: 37269
diff changeset
  1765
                                       |> pairf domain_type range_type
0681e46b4022 optimized code generated for datatype cases + more;
blanchet
parents: 37269
diff changeset
  1766
                in
42958
034fc4d0c909 fixed de Bruijn index bug
blanchet
parents: 42793
diff changeset
  1767
                  (optimized_case_def hol_ctxt Ts dataT res_T
37476
0681e46b4022 optimized code generated for datatype cases + more;
blanchet
parents: 37269
diff changeset
  1768
                                      (map (do_term depth Ts) (take n ts)),
0681e46b4022 optimized code generated for datatype cases + more;
blanchet
parents: 37269
diff changeset
  1769
                   drop n ts)
0681e46b4022 optimized code generated for datatype cases + more;
blanchet
parents: 37269
diff changeset
  1770
                end
33192
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  1771
            | _ =>
37256
0dca1ec52999 thread along context instead of theory for typedef lookup
blanchet
parents: 37253
diff changeset
  1772
              if is_constr ctxt stds x then
33192
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  1773
                (Const x, ts)
37256
0dca1ec52999 thread along context instead of theory for typedef lookup
blanchet
parents: 37253
diff changeset
  1774
              else if is_stale_constr ctxt x then
34936
c4f04bee79f3 some work on Nitpick's support for quotient types;
blanchet
parents: 34126
diff changeset
  1775
                raise NOT_SUPPORTED ("(non-co)constructors of codatatypes \
33581
e1e77265fb1d added possibility to register datatypes as codatatypes in Nitpick;
blanchet
parents: 33580
diff changeset
  1776
                                     \(\"" ^ s ^ "\")")
35284
9edc2bd6d2bd enabled Nitpick's support for quotient types + shortened the Nitpick tests a bit
blanchet
parents: 35283
diff changeset
  1777
              else if is_quot_abs_fun ctxt x then
34936
c4f04bee79f3 some work on Nitpick's support for quotient types;
blanchet
parents: 34126
diff changeset
  1778
                let
c4f04bee79f3 some work on Nitpick's support for quotient types;
blanchet
parents: 34126
diff changeset
  1779
                  val rep_T = domain_type T
c4f04bee79f3 some work on Nitpick's support for quotient types;
blanchet
parents: 34126
diff changeset
  1780
                  val abs_T = range_type T
c4f04bee79f3 some work on Nitpick's support for quotient types;
blanchet
parents: 34126
diff changeset
  1781
                in
c4f04bee79f3 some work on Nitpick's support for quotient types;
blanchet
parents: 34126
diff changeset
  1782
                  (Abs (Name.uu, rep_T,
c4f04bee79f3 some work on Nitpick's support for quotient types;
blanchet
parents: 34126
diff changeset
  1783
                        Const (@{const_name Quot}, rep_T --> abs_T)
35311
8f9a66fc9f80 improved Nitpick's support for quotient types
blanchet
parents: 35309
diff changeset
  1784
                               $ (Const (quot_normal_name_for_type ctxt abs_T,
34936
c4f04bee79f3 some work on Nitpick's support for quotient types;
blanchet
parents: 34126
diff changeset
  1785
                                         rep_T --> rep_T) $ Bound 0)), ts)
c4f04bee79f3 some work on Nitpick's support for quotient types;
blanchet
parents: 34126
diff changeset
  1786
                end
35284
9edc2bd6d2bd enabled Nitpick's support for quotient types + shortened the Nitpick tests a bit
blanchet
parents: 35283
diff changeset
  1787
              else if is_quot_rep_fun ctxt x then
38207
792b78e355e7 added support for "Abs_" and "Rep_" functions on quotient types
blanchet
parents: 38206
diff changeset
  1788
                quot_rep_of depth Ts (domain_type T) (range_type T) ts
33192
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  1789
              else if is_record_get thy x then
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  1790
                case length ts of
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  1791
                  0 => (do_term depth Ts (eta_expand Ts t 1), [])
35070
96136eb6218f split "nitpick_hol.ML" into two files to make it more manageable;
blanchet
parents: 34998
diff changeset
  1792
                | _ => (optimized_record_get hol_ctxt s (domain_type T)
34982
7b8c366e34a2 added support for nonstandard models to Nitpick (based on an idea by Koen Claessen) and did other fixes to Nitpick
blanchet
parents: 34936
diff changeset
  1793
                            (range_type T) (do_term depth Ts (hd ts)), tl ts)
33192
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  1794
              else if is_record_update thy x then
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  1795
                case length ts of
35070
96136eb6218f split "nitpick_hol.ML" into two files to make it more manageable;
blanchet
parents: 34998
diff changeset
  1796
                  2 => (optimized_record_update hol_ctxt
33580
45c33e97cb86 added datatype constructor cache in Nitpick (to speed up the scope enumeration) and never test more than 4096 scopes
blanchet
parents: 33578
diff changeset
  1797
                            (unsuffix Record.updateN s) (nth_range_type 2 T)
45c33e97cb86 added datatype constructor cache in Nitpick (to speed up the scope enumeration) and never test more than 4096 scopes
blanchet
parents: 33578
diff changeset
  1798
                            (do_term depth Ts (hd ts))
45c33e97cb86 added datatype constructor cache in Nitpick (to speed up the scope enumeration) and never test more than 4096 scopes
blanchet
parents: 33578
diff changeset
  1799
                            (do_term depth Ts (nth ts 1)), [])
33192
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  1800
                | n => (do_term depth Ts (eta_expand Ts t (2 - n)), [])
38207
792b78e355e7 added support for "Abs_" and "Rep_" functions on quotient types
blanchet
parents: 38206
diff changeset
  1801
              else if is_abs_fun ctxt x andalso
38240
a44d108a8d39 local versions of Nitpick.register_xxx functions
blanchet
parents: 38215
diff changeset
  1802
                      is_quot_type ctxt (range_type T) then
38207
792b78e355e7 added support for "Abs_" and "Rep_" functions on quotient types
blanchet
parents: 38206
diff changeset
  1803
                let
792b78e355e7 added support for "Abs_" and "Rep_" functions on quotient types
blanchet
parents: 38206
diff changeset
  1804
                  val abs_T = range_type T
46819
9b38f8527510 addressed a quotient-type-related issue that arose with the port to "set"
blanchet
parents: 46746
diff changeset
  1805
                  val rep_T = elem_type (domain_type T)
38207
792b78e355e7 added support for "Abs_" and "Rep_" functions on quotient types
blanchet
parents: 38206
diff changeset
  1806
                  val eps_fun = Const (@{const_name Eps},
792b78e355e7 added support for "Abs_" and "Rep_" functions on quotient types
blanchet
parents: 38206
diff changeset
  1807
                                       (rep_T --> bool_T) --> rep_T)
39315
27f7b7748425 always handle type variables in typedefs as global
blanchet
parents: 38864
diff changeset
  1808
                  val normal_fun =
38207
792b78e355e7 added support for "Abs_" and "Rep_" functions on quotient types
blanchet
parents: 38206
diff changeset
  1809
                    Const (quot_normal_name_for_type ctxt abs_T,
792b78e355e7 added support for "Abs_" and "Rep_" functions on quotient types
blanchet
parents: 38206
diff changeset
  1810
                           rep_T --> rep_T)
792b78e355e7 added support for "Abs_" and "Rep_" functions on quotient types
blanchet
parents: 38206
diff changeset
  1811
                  val abs_fun = Const (@{const_name Quot}, rep_T --> abs_T)
46819
9b38f8527510 addressed a quotient-type-related issue that arose with the port to "set"
blanchet
parents: 46746
diff changeset
  1812
                  val pred =
9b38f8527510 addressed a quotient-type-related issue that arose with the port to "set"
blanchet
parents: 46746
diff changeset
  1813
                    Abs (Name.uu, rep_T,
9b38f8527510 addressed a quotient-type-related issue that arose with the port to "set"
blanchet
parents: 46746
diff changeset
  1814
                         Const (@{const_name Set.member},
9b38f8527510 addressed a quotient-type-related issue that arose with the port to "set"
blanchet
parents: 46746
diff changeset
  1815
                                rep_T --> domain_type T --> bool_T)
9b38f8527510 addressed a quotient-type-related issue that arose with the port to "set"
blanchet
parents: 46746
diff changeset
  1816
                         $ Bound 0 $ Bound 1)
38207
792b78e355e7 added support for "Abs_" and "Rep_" functions on quotient types
blanchet
parents: 38206
diff changeset
  1817
                in
46819
9b38f8527510 addressed a quotient-type-related issue that arose with the port to "set"
blanchet
parents: 46746
diff changeset
  1818
                  (Abs (Name.uu, HOLogic.mk_setT rep_T,
9b38f8527510 addressed a quotient-type-related issue that arose with the port to "set"
blanchet
parents: 46746
diff changeset
  1819
                        abs_fun $ (normal_fun $ (eps_fun $ pred)))
38207
792b78e355e7 added support for "Abs_" and "Rep_" functions on quotient types
blanchet
parents: 38206
diff changeset
  1820
                   |> do_term (depth + 1) Ts, ts)
792b78e355e7 added support for "Abs_" and "Rep_" functions on quotient types
blanchet
parents: 38206
diff changeset
  1821
                end
37256
0dca1ec52999 thread along context instead of theory for typedef lookup
blanchet
parents: 37253
diff changeset
  1822
              else if is_rep_fun ctxt x then
0dca1ec52999 thread along context instead of theory for typedef lookup
blanchet
parents: 37253
diff changeset
  1823
                let val x' = mate_of_rep_fun ctxt x in
0dca1ec52999 thread along context instead of theory for typedef lookup
blanchet
parents: 37253
diff changeset
  1824
                  if is_constr ctxt stds x' then
33192
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  1825
                    select_nth_constr_arg_with_args depth Ts x' ts 0
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  1826
                                                    (range_type T)
38240
a44d108a8d39 local versions of Nitpick.register_xxx functions
blanchet
parents: 38215
diff changeset
  1827
                  else if is_quot_type ctxt (domain_type T) then
38207
792b78e355e7 added support for "Abs_" and "Rep_" functions on quotient types
blanchet
parents: 38206
diff changeset
  1828
                    let
792b78e355e7 added support for "Abs_" and "Rep_" functions on quotient types
blanchet
parents: 38206
diff changeset
  1829
                      val abs_T = domain_type T
46745
a6f83f21dc2c fixed handling of "Rep_" function of quotient types -- side-effect of "set" constructor reintroduction
blanchet
parents: 46320
diff changeset
  1830
                      val rep_T = elem_type (range_type T)
38207
792b78e355e7 added support for "Abs_" and "Rep_" functions on quotient types
blanchet
parents: 38206
diff changeset
  1831
                      val (rep_fun, _) = quot_rep_of depth Ts abs_T rep_T []
38243
f41865450450 added support for partial quotient types;
blanchet
parents: 38242
diff changeset
  1832
                      val (equiv_rel, _) =
45280
9fd6fce8a230 localized quotient data;
wenzelm
parents: 45279
diff changeset
  1833
                        equiv_relation_for_quot_type ctxt abs_T
38207
792b78e355e7 added support for "Abs_" and "Rep_" functions on quotient types
blanchet
parents: 38206
diff changeset
  1834
                    in
46745
a6f83f21dc2c fixed handling of "Rep_" function of quotient types -- side-effect of "set" constructor reintroduction
blanchet
parents: 46320
diff changeset
  1835
                      (Abs (Name.uu, abs_T,
a6f83f21dc2c fixed handling of "Rep_" function of quotient types -- side-effect of "set" constructor reintroduction
blanchet
parents: 46320
diff changeset
  1836
                            HOLogic.Collect_const rep_T
a6f83f21dc2c fixed handling of "Rep_" function of quotient types -- side-effect of "set" constructor reintroduction
blanchet
parents: 46320
diff changeset
  1837
                            $ (equiv_rel $ (rep_fun $ Bound 0))),
38207
792b78e355e7 added support for "Abs_" and "Rep_" functions on quotient types
blanchet
parents: 38206
diff changeset
  1838
                       ts)
792b78e355e7 added support for "Abs_" and "Rep_" functions on quotient types
blanchet
parents: 38206
diff changeset
  1839
                    end
33192
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  1840
                  else
38208
10417cd47448 handle "Rep_unit" & Co. gracefully
blanchet
parents: 38207
diff changeset
  1841
                    (Const x, ts)
33192
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  1842
                end
38202
379fb08da97b prevent the expansion of too large definitions -- use equations for these instead
blanchet
parents: 38201
diff changeset
  1843
              else if is_equational_fun_but_no_plain_def hol_ctxt x orelse
35807
e4d1b5cbd429 added support for "specification" and "ax_specification" constructs to Nitpick
blanchet
parents: 35743
diff changeset
  1844
                      is_choice_spec_fun hol_ctxt x then
33192
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  1845
                (Const x, ts)
41791
01d722707a36 always unfold constant defitions marked with "nitpick_def" -- to prevent unfolding, there's already "nitpick_simp"
blanchet
parents: 41472
diff changeset
  1846
              else case def_of_const_ext thy def_tables x of
01d722707a36 always unfold constant defitions marked with "nitpick_def" -- to prevent unfolding, there's already "nitpick_simp"
blanchet
parents: 41472
diff changeset
  1847
                SOME (unfold, def) =>
33192
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  1848
                if depth > unfold_max_depth then
34124
c4628a1dcf75 added support for binary nat/int representation to Nitpick
blanchet
parents: 34123
diff changeset
  1849
                  raise TOO_LARGE ("Nitpick_HOL.unfold_defs_in_term",
c4628a1dcf75 added support for binary nat/int representation to Nitpick
blanchet
parents: 34123
diff changeset
  1850
                                   "too many nested definitions (" ^
c4628a1dcf75 added support for binary nat/int representation to Nitpick
blanchet
parents: 34123
diff changeset
  1851
                                   string_of_int depth ^ ") while expanding " ^
c4628a1dcf75 added support for binary nat/int representation to Nitpick
blanchet
parents: 34123
diff changeset
  1852
                                   quote s)
55017
2df6ad1dbd66 adapted to move of Wfrec
blanchet
parents: 54816
diff changeset
  1853
                else if s = @{const_name wfrec'} then
37476
0681e46b4022 optimized code generated for datatype cases + more;
blanchet
parents: 37269
diff changeset
  1854
                  (do_term (depth + 1) Ts (s_betapplys Ts (def, ts)), [])
41791
01d722707a36 always unfold constant defitions marked with "nitpick_def" -- to prevent unfolding, there's already "nitpick_simp"
blanchet
parents: 41472
diff changeset
  1855
                else if not unfold andalso
01d722707a36 always unfold constant defitions marked with "nitpick_def" -- to prevent unfolding, there's already "nitpick_simp"
blanchet
parents: 41472
diff changeset
  1856
                     size_of_term def > def_inline_threshold () then
38202
379fb08da97b prevent the expansion of too large definitions -- use equations for these instead
blanchet
parents: 38201
diff changeset
  1857
                  (Const x, ts)
33192
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  1858
                else
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  1859
                  (do_term (depth + 1) Ts def, ts)
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  1860
              | NONE => (Const x, ts)
37476
0681e46b4022 optimized code generated for datatype cases + more;
blanchet
parents: 37269
diff changeset
  1861
        in
0681e46b4022 optimized code generated for datatype cases + more;
blanchet
parents: 37269
diff changeset
  1862
          s_betapplys Ts (const, map (do_term depth Ts) ts)
0681e46b4022 optimized code generated for datatype cases + more;
blanchet
parents: 37269
diff changeset
  1863
          |> s_beta_norm Ts
0681e46b4022 optimized code generated for datatype cases + more;
blanchet
parents: 37269
diff changeset
  1864
        end
33192
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  1865
  in do_term 0 [] end
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  1866
35718
eee1a5e0d334 moved some Nitpick code around
blanchet
parents: 35711
diff changeset
  1867
(** Axiom extraction/generation **)
eee1a5e0d334 moved some Nitpick code around
blanchet
parents: 35711
diff changeset
  1868
46086
096697aec8a7 rationalized output (a bit)
blanchet
parents: 46083
diff changeset
  1869
fun extensional_equal j T t1 t2 =
46244
549755ebf4d2 fixed a bug introduced when porting functions to set -- extensionality on sets break the form of equations expected elsewhere by Nitpick
blanchet
parents: 46219
diff changeset
  1870
  if is_fun_type T then
46086
096697aec8a7 rationalized output (a bit)
blanchet
parents: 46083
diff changeset
  1871
    let
096697aec8a7 rationalized output (a bit)
blanchet
parents: 46083
diff changeset
  1872
      val dom_T = pseudo_domain_type T
096697aec8a7 rationalized output (a bit)
blanchet
parents: 46083
diff changeset
  1873
      val ran_T = pseudo_range_type T
096697aec8a7 rationalized output (a bit)
blanchet
parents: 46083
diff changeset
  1874
      val var_t = Var (("x", j), dom_T)
46244
549755ebf4d2 fixed a bug introduced when porting functions to set -- extensionality on sets break the form of equations expected elsewhere by Nitpick
blanchet
parents: 46219
diff changeset
  1875
    in
549755ebf4d2 fixed a bug introduced when porting functions to set -- extensionality on sets break the form of equations expected elsewhere by Nitpick
blanchet
parents: 46219
diff changeset
  1876
      extensional_equal (j + 1) ran_T (betapply (t1, var_t))
549755ebf4d2 fixed a bug introduced when porting functions to set -- extensionality on sets break the form of equations expected elsewhere by Nitpick
blanchet
parents: 46219
diff changeset
  1877
                        (betapply (t2, var_t))
549755ebf4d2 fixed a bug introduced when porting functions to set -- extensionality on sets break the form of equations expected elsewhere by Nitpick
blanchet
parents: 46219
diff changeset
  1878
    end
46086
096697aec8a7 rationalized output (a bit)
blanchet
parents: 46083
diff changeset
  1879
  else
38864
4abe644fcea5 formerly unnamed infix equality now named HOL.eq
haftmann
parents: 38795
diff changeset
  1880
    Const (@{const_name HOL.eq}, T --> T --> bool_T) $ t1 $ t2
38206
78403fcd0ec5 fiddle with specialization etc.
blanchet
parents: 38205
diff changeset
  1881
46091
472c952d42dd fixed set extensionality code
blanchet
parents: 46089
diff changeset
  1882
(* FIXME: needed? *)
38202
379fb08da97b prevent the expansion of too large definitions -- use equations for these instead
blanchet
parents: 38201
diff changeset
  1883
fun equationalize_term ctxt tag t =
38206
78403fcd0ec5 fiddle with specialization etc.
blanchet
parents: 38205
diff changeset
  1884
  let
78403fcd0ec5 fiddle with specialization etc.
blanchet
parents: 38205
diff changeset
  1885
    val j = maxidx_of_term t + 1
78403fcd0ec5 fiddle with specialization etc.
blanchet
parents: 38205
diff changeset
  1886
    val (prems, concl) = Logic.strip_horn t
78403fcd0ec5 fiddle with specialization etc.
blanchet
parents: 38205
diff changeset
  1887
  in
38174
c15dfe7bc077 fix newly introduced bug w.r.t. conditional equations
blanchet
parents: 38172
diff changeset
  1888
    Logic.list_implies (prems,
38200
2f531f620cb8 fix bug in Nitpick's "equationalize" function (the prems were ignored) + make it do some basic extensionalization
blanchet
parents: 38190
diff changeset
  1889
        case concl of
38864
4abe644fcea5 formerly unnamed infix equality now named HOL.eq
haftmann
parents: 38795
diff changeset
  1890
          @{const Trueprop} $ (Const (@{const_name HOL.eq}, Type (_, [T, _]))
38206
78403fcd0ec5 fiddle with specialization etc.
blanchet
parents: 38205
diff changeset
  1891
                               $ t1 $ t2) =>
78403fcd0ec5 fiddle with specialization etc.
blanchet
parents: 38205
diff changeset
  1892
          @{const Trueprop} $ extensional_equal j T t1 t2
38200
2f531f620cb8 fix bug in Nitpick's "equationalize" function (the prems were ignored) + make it do some basic extensionalization
blanchet
parents: 38190
diff changeset
  1893
        | @{const Trueprop} $ t' =>
2f531f620cb8 fix bug in Nitpick's "equationalize" function (the prems were ignored) + make it do some basic extensionalization
blanchet
parents: 38190
diff changeset
  1894
          @{const Trueprop} $ HOLogic.mk_eq (t', @{const True})
38201
927f919914ea make nitpick accept "==" for "nitpick_(p)simp"s
blanchet
parents: 38200
diff changeset
  1895
        | Const (@{const_name "=="}, Type (_, [T, _])) $ t1 $ t2 =>
38206
78403fcd0ec5 fiddle with specialization etc.
blanchet
parents: 38205
diff changeset
  1896
          @{const Trueprop} $ extensional_equal j T t1 t2
46086
096697aec8a7 rationalized output (a bit)
blanchet
parents: 46083
diff changeset
  1897
        | _ => (warning ("Ignoring " ^ quote tag ^ " for non-equation " ^
38201
927f919914ea make nitpick accept "==" for "nitpick_(p)simp"s
blanchet
parents: 38200
diff changeset
  1898
                         quote (Syntax.string_of_term ctxt t) ^ ".");
927f919914ea make nitpick accept "==" for "nitpick_(p)simp"s
blanchet
parents: 38200
diff changeset
  1899
                raise SAME ()))
927f919914ea make nitpick accept "==" for "nitpick_(p)simp"s
blanchet
parents: 38200
diff changeset
  1900
    |> SOME
38200
2f531f620cb8 fix bug in Nitpick's "equationalize" function (the prems were ignored) + make it do some basic extensionalization
blanchet
parents: 38190
diff changeset
  1901
  end
38201
927f919914ea make nitpick accept "==" for "nitpick_(p)simp"s
blanchet
parents: 38200
diff changeset
  1902
  handle SAME () => NONE
38172
62d4bdc3f7cc make Nitpick more flexible when parsing (p)simp rules
blanchet
parents: 38169
diff changeset
  1903
35807
e4d1b5cbd429 added support for "specification" and "ax_specification" constructs to Nitpick
blanchet
parents: 35743
diff changeset
  1904
fun pair_for_prop t =
e4d1b5cbd429 added support for "specification" and "ax_specification" constructs to Nitpick
blanchet
parents: 35743
diff changeset
  1905
  case term_under_def t of
e4d1b5cbd429 added support for "specification" and "ax_specification" constructs to Nitpick
blanchet
parents: 35743
diff changeset
  1906
    Const (s, _) => (s, t)
e4d1b5cbd429 added support for "specification" and "ax_specification" constructs to Nitpick
blanchet
parents: 35743
diff changeset
  1907
  | t' => raise TERM ("Nitpick_HOL.pair_for_prop", [t, t'])
38172
62d4bdc3f7cc make Nitpick more flexible when parsing (p)simp rules
blanchet
parents: 38169
diff changeset
  1908
35807
e4d1b5cbd429 added support for "specification" and "ax_specification" constructs to Nitpick
blanchet
parents: 35743
diff changeset
  1909
fun def_table_for get ctxt subst =
e4d1b5cbd429 added support for "specification" and "ax_specification" constructs to Nitpick
blanchet
parents: 35743
diff changeset
  1910
  ctxt |> get |> map (pair_for_prop o subst_atomic subst)
e4d1b5cbd429 added support for "specification" and "ax_specification" constructs to Nitpick
blanchet
parents: 35743
diff changeset
  1911
       |> AList.group (op =) |> Symtab.make
38172
62d4bdc3f7cc make Nitpick more flexible when parsing (p)simp rules
blanchet
parents: 38169
diff changeset
  1912
41791
01d722707a36 always unfold constant defitions marked with "nitpick_def" -- to prevent unfolding, there's already "nitpick_simp"
blanchet
parents: 41472
diff changeset
  1913
fun const_def_tables ctxt subst ts =
41792
ff3cb0c418b7 renamed "nitpick\_def" to "nitpick_unfold" to reflect its new semantics
blanchet
parents: 41791
diff changeset
  1914
  (def_table_for (map prop_of o Nitpick_Unfolds.get) ctxt subst,
41791
01d722707a36 always unfold constant defitions marked with "nitpick_def" -- to prevent unfolding, there's already "nitpick_simp"
blanchet
parents: 41472
diff changeset
  1915
   fold (fn (s, t) => Symtab.map_default (s, []) (cons t))
01d722707a36 always unfold constant defitions marked with "nitpick_def" -- to prevent unfolding, there's already "nitpick_simp"
blanchet
parents: 41472
diff changeset
  1916
        (map pair_for_prop ts) Symtab.empty)
38172
62d4bdc3f7cc make Nitpick more flexible when parsing (p)simp rules
blanchet
parents: 38169
diff changeset
  1917
62d4bdc3f7cc make Nitpick more flexible when parsing (p)simp rules
blanchet
parents: 38169
diff changeset
  1918
fun paired_with_consts t = map (rpair t) (Term.add_const_names t [])
35718
eee1a5e0d334 moved some Nitpick code around
blanchet
parents: 35711
diff changeset
  1919
fun const_nondef_table ts =
35807
e4d1b5cbd429 added support for "specification" and "ax_specification" constructs to Nitpick
blanchet
parents: 35743
diff changeset
  1920
  fold (append o paired_with_consts) ts [] |> AList.group (op =) |> Symtab.make
38172
62d4bdc3f7cc make Nitpick more flexible when parsing (p)simp rules
blanchet
parents: 38169
diff changeset
  1921
38201
927f919914ea make nitpick accept "==" for "nitpick_(p)simp"s
blanchet
parents: 38200
diff changeset
  1922
fun const_simp_table ctxt =
38202
379fb08da97b prevent the expansion of too large definitions -- use equations for these instead
blanchet
parents: 38201
diff changeset
  1923
  def_table_for (map_filter (equationalize_term ctxt "nitpick_simp" o prop_of)
38201
927f919914ea make nitpick accept "==" for "nitpick_(p)simp"s
blanchet
parents: 38200
diff changeset
  1924
                 o Nitpick_Simps.get) ctxt
927f919914ea make nitpick accept "==" for "nitpick_(p)simp"s
blanchet
parents: 38200
diff changeset
  1925
fun const_psimp_table ctxt =
38202
379fb08da97b prevent the expansion of too large definitions -- use equations for these instead
blanchet
parents: 38201
diff changeset
  1926
  def_table_for (map_filter (equationalize_term ctxt "nitpick_psimp" o prop_of)
38201
927f919914ea make nitpick accept "==" for "nitpick_(p)simp"s
blanchet
parents: 38200
diff changeset
  1927
                 o Nitpick_Psimps.get) ctxt
38172
62d4bdc3f7cc make Nitpick more flexible when parsing (p)simp rules
blanchet
parents: 38169
diff changeset
  1928
35807
e4d1b5cbd429 added support for "specification" and "ax_specification" constructs to Nitpick
blanchet
parents: 35743
diff changeset
  1929
fun const_choice_spec_table ctxt subst =
e4d1b5cbd429 added support for "specification" and "ax_specification" constructs to Nitpick
blanchet
parents: 35743
diff changeset
  1930
  map (subst_atomic subst o prop_of) (Nitpick_Choice_Specs.get ctxt)
e4d1b5cbd429 added support for "specification" and "ax_specification" constructs to Nitpick
blanchet
parents: 35743
diff changeset
  1931
  |> const_nondef_table
38172
62d4bdc3f7cc make Nitpick more flexible when parsing (p)simp rules
blanchet
parents: 38169
diff changeset
  1932
41791
01d722707a36 always unfold constant defitions marked with "nitpick_def" -- to prevent unfolding, there's already "nitpick_simp"
blanchet
parents: 41472
diff changeset
  1933
fun inductive_intro_table ctxt subst def_tables =
42361
23f352990944 modernized structure Proof_Context;
wenzelm
parents: 41994
diff changeset
  1934
  let val thy = Proof_Context.theory_of ctxt in
37264
8b931fb51cc6 removed "nitpick_intro" attribute -- Nitpick noew uses Spec_Rules instead
blanchet
parents: 37261
diff changeset
  1935
    def_table_for
41791
01d722707a36 always unfold constant defitions marked with "nitpick_def" -- to prevent unfolding, there's already "nitpick_simp"
blanchet
parents: 41472
diff changeset
  1936
        (maps (map (unfold_mutually_inductive_preds thy def_tables o prop_of)
37264
8b931fb51cc6 removed "nitpick_intro" attribute -- Nitpick noew uses Spec_Rules instead
blanchet
parents: 37261
diff changeset
  1937
               o snd o snd)
8b931fb51cc6 removed "nitpick_intro" attribute -- Nitpick noew uses Spec_Rules instead
blanchet
parents: 37261
diff changeset
  1938
         o filter (fn (cat, _) => cat = Spec_Rules.Inductive orelse
8b931fb51cc6 removed "nitpick_intro" attribute -- Nitpick noew uses Spec_Rules instead
blanchet
parents: 37261
diff changeset
  1939
                                  cat = Spec_Rules.Co_Inductive)
8b931fb51cc6 removed "nitpick_intro" attribute -- Nitpick noew uses Spec_Rules instead
blanchet
parents: 37261
diff changeset
  1940
         o Spec_Rules.get) ctxt subst
8b931fb51cc6 removed "nitpick_intro" attribute -- Nitpick noew uses Spec_Rules instead
blanchet
parents: 37261
diff changeset
  1941
  end
38172
62d4bdc3f7cc make Nitpick more flexible when parsing (p)simp rules
blanchet
parents: 38169
diff changeset
  1942
35718
eee1a5e0d334 moved some Nitpick code around
blanchet
parents: 35711
diff changeset
  1943
fun ground_theorem_table thy =
eee1a5e0d334 moved some Nitpick code around
blanchet
parents: 35711
diff changeset
  1944
  fold ((fn @{const Trueprop} $ t1 =>
eee1a5e0d334 moved some Nitpick code around
blanchet
parents: 35711
diff changeset
  1945
            is_ground_term t1 ? Inttab.map_default (hash_term t1, []) (cons t1)
39557
fe5722fce758 renamed structure PureThy to Pure_Thy and moved most content to Global_Theory, to emphasize that this is global-only;
wenzelm
parents: 39360
diff changeset
  1946
          | _ => I) o prop_of o snd) (Global_Theory.all_thms_of thy) Inttab.empty
35718
eee1a5e0d334 moved some Nitpick code around
blanchet
parents: 35711
diff changeset
  1947
38240
a44d108a8d39 local versions of Nitpick.register_xxx functions
blanchet
parents: 38215
diff changeset
  1948
fun ersatz_table ctxt =
44016
51184010c609 replaced Nitpick's hardwired basic_ersatz_table by context data
krauss
parents: 44013
diff changeset
  1949
 #ersatz_table (Data.get (Context.Proof ctxt))
38240
a44d108a8d39 local versions of Nitpick.register_xxx functions
blanchet
parents: 38215
diff changeset
  1950
 |> fold (append o snd) (#frac_types (Data.get (Context.Proof ctxt)))
35718
eee1a5e0d334 moved some Nitpick code around
blanchet
parents: 35711
diff changeset
  1951
eee1a5e0d334 moved some Nitpick code around
blanchet
parents: 35711
diff changeset
  1952
fun add_simps simp_table s eqs =
eee1a5e0d334 moved some Nitpick code around
blanchet
parents: 35711
diff changeset
  1953
  Unsynchronized.change simp_table
eee1a5e0d334 moved some Nitpick code around
blanchet
parents: 35711
diff changeset
  1954
      (Symtab.update (s, eqs @ these (Symtab.lookup (!simp_table) s)))
eee1a5e0d334 moved some Nitpick code around
blanchet
parents: 35711
diff changeset
  1955
37256
0dca1ec52999 thread along context instead of theory for typedef lookup
blanchet
parents: 37253
diff changeset
  1956
fun inverse_axioms_for_rep_fun ctxt (x as (_, T)) =
0dca1ec52999 thread along context instead of theory for typedef lookup
blanchet
parents: 37253
diff changeset
  1957
  let
42361
23f352990944 modernized structure Proof_Context;
wenzelm
parents: 41994
diff changeset
  1958
    val thy = Proof_Context.theory_of ctxt
37256
0dca1ec52999 thread along context instead of theory for typedef lookup
blanchet
parents: 37253
diff changeset
  1959
    val abs_T = domain_type T
0dca1ec52999 thread along context instead of theory for typedef lookup
blanchet
parents: 37253
diff changeset
  1960
  in
0dca1ec52999 thread along context instead of theory for typedef lookup
blanchet
parents: 37253
diff changeset
  1961
    typedef_info ctxt (fst (dest_Type abs_T)) |> the
35718
eee1a5e0d334 moved some Nitpick code around
blanchet
parents: 35711
diff changeset
  1962
    |> pairf #Abs_inverse #Rep_inverse
36555
8ff45c2076da expand combinators in Isar proofs constructed by Sledgehammer;
blanchet
parents: 36391
diff changeset
  1963
    |> pairself (specialize_type thy x o prop_of o the)
35718
eee1a5e0d334 moved some Nitpick code around
blanchet
parents: 35711
diff changeset
  1964
    ||> single |> op ::
eee1a5e0d334 moved some Nitpick code around
blanchet
parents: 35711
diff changeset
  1965
  end
37256
0dca1ec52999 thread along context instead of theory for typedef lookup
blanchet
parents: 37253
diff changeset
  1966
fun optimized_typedef_axioms ctxt (abs_z as (abs_s, _)) =
0dca1ec52999 thread along context instead of theory for typedef lookup
blanchet
parents: 37253
diff changeset
  1967
  let
42361
23f352990944 modernized structure Proof_Context;
wenzelm
parents: 41994
diff changeset
  1968
    val thy = Proof_Context.theory_of ctxt
37256
0dca1ec52999 thread along context instead of theory for typedef lookup
blanchet
parents: 37253
diff changeset
  1969
    val abs_T = Type abs_z
0dca1ec52999 thread along context instead of theory for typedef lookup
blanchet
parents: 37253
diff changeset
  1970
  in
0dca1ec52999 thread along context instead of theory for typedef lookup
blanchet
parents: 37253
diff changeset
  1971
    if is_univ_typedef ctxt abs_T then
35718
eee1a5e0d334 moved some Nitpick code around
blanchet
parents: 35711
diff changeset
  1972
      []
37256
0dca1ec52999 thread along context instead of theory for typedef lookup
blanchet
parents: 37253
diff changeset
  1973
    else case typedef_info ctxt abs_s of
52205
e62408ee2343 don't create needless constant
blanchet
parents: 51706
diff changeset
  1974
      SOME {abs_type, rep_type, Rep_name, prop_of_Rep, ...} =>
35718
eee1a5e0d334 moved some Nitpick code around
blanchet
parents: 35711
diff changeset
  1975
      let
38240
a44d108a8d39 local versions of Nitpick.register_xxx functions
blanchet
parents: 38215
diff changeset
  1976
        val rep_T = varify_and_instantiate_type ctxt abs_type abs_T rep_type
35718
eee1a5e0d334 moved some Nitpick code around
blanchet
parents: 35711
diff changeset
  1977
        val rep_t = Const (Rep_name, abs_T --> rep_T)
52205
e62408ee2343 don't create needless constant
blanchet
parents: 51706
diff changeset
  1978
        val set_t =
35718
eee1a5e0d334 moved some Nitpick code around
blanchet
parents: 35711
diff changeset
  1979
          prop_of_Rep |> HOLogic.dest_Trueprop
36555
8ff45c2076da expand combinators in Isar proofs constructed by Sledgehammer;
blanchet
parents: 36391
diff changeset
  1980
                      |> specialize_type thy (dest_Const rep_t)
35718
eee1a5e0d334 moved some Nitpick code around
blanchet
parents: 35711
diff changeset
  1981
                      |> HOLogic.dest_mem |> snd
eee1a5e0d334 moved some Nitpick code around
blanchet
parents: 35711
diff changeset
  1982
      in
eee1a5e0d334 moved some Nitpick code around
blanchet
parents: 35711
diff changeset
  1983
        [HOLogic.all_const abs_T
52205
e62408ee2343 don't create needless constant
blanchet
parents: 51706
diff changeset
  1984
             $ Abs (Name.uu, abs_T, HOLogic.mk_mem (rep_t $ Bound 0, set_t))
e62408ee2343 don't create needless constant
blanchet
parents: 51706
diff changeset
  1985
         |> HOLogic.mk_Trueprop]
35718
eee1a5e0d334 moved some Nitpick code around
blanchet
parents: 35711
diff changeset
  1986
      end
eee1a5e0d334 moved some Nitpick code around
blanchet
parents: 35711
diff changeset
  1987
    | NONE => []
eee1a5e0d334 moved some Nitpick code around
blanchet
parents: 35711
diff changeset
  1988
  end
eee1a5e0d334 moved some Nitpick code around
blanchet
parents: 35711
diff changeset
  1989
fun optimized_quot_type_axioms ctxt stds abs_z =
eee1a5e0d334 moved some Nitpick code around
blanchet
parents: 35711
diff changeset
  1990
  let
eee1a5e0d334 moved some Nitpick code around
blanchet
parents: 35711
diff changeset
  1991
    val abs_T = Type abs_z
45280
9fd6fce8a230 localized quotient data;
wenzelm
parents: 45279
diff changeset
  1992
    val rep_T = rep_type_for_quot_type ctxt abs_T
9fd6fce8a230 localized quotient data;
wenzelm
parents: 45279
diff changeset
  1993
    val (equiv_rel, partial) = equiv_relation_for_quot_type ctxt abs_T
35718
eee1a5e0d334 moved some Nitpick code around
blanchet
parents: 35711
diff changeset
  1994
    val a_var = Var (("a", 0), abs_T)
eee1a5e0d334 moved some Nitpick code around
blanchet
parents: 35711
diff changeset
  1995
    val x_var = Var (("x", 0), rep_T)
eee1a5e0d334 moved some Nitpick code around
blanchet
parents: 35711
diff changeset
  1996
    val y_var = Var (("y", 0), rep_T)
eee1a5e0d334 moved some Nitpick code around
blanchet
parents: 35711
diff changeset
  1997
    val x = (@{const_name Quot}, rep_T --> abs_T)
37256
0dca1ec52999 thread along context instead of theory for typedef lookup
blanchet
parents: 37253
diff changeset
  1998
    val sel_a_t = select_nth_constr_arg ctxt stds x a_var 0 rep_T
38207
792b78e355e7 added support for "Abs_" and "Rep_" functions on quotient types
blanchet
parents: 38206
diff changeset
  1999
    val normal_fun =
792b78e355e7 added support for "Abs_" and "Rep_" functions on quotient types
blanchet
parents: 38206
diff changeset
  2000
      Const (quot_normal_name_for_type ctxt abs_T, rep_T --> rep_T)
792b78e355e7 added support for "Abs_" and "Rep_" functions on quotient types
blanchet
parents: 38206
diff changeset
  2001
    val normal_x = normal_fun $ x_var
792b78e355e7 added support for "Abs_" and "Rep_" functions on quotient types
blanchet
parents: 38206
diff changeset
  2002
    val normal_y = normal_fun $ y_var
35718
eee1a5e0d334 moved some Nitpick code around
blanchet
parents: 35711
diff changeset
  2003
    val is_unknown_t = Const (@{const_name is_unknown}, rep_T --> bool_T)
eee1a5e0d334 moved some Nitpick code around
blanchet
parents: 35711
diff changeset
  2004
  in
38207
792b78e355e7 added support for "Abs_" and "Rep_" functions on quotient types
blanchet
parents: 38206
diff changeset
  2005
    [Logic.mk_equals (normal_fun $ sel_a_t, sel_a_t),
35718
eee1a5e0d334 moved some Nitpick code around
blanchet
parents: 35711
diff changeset
  2006
     Logic.list_implies
eee1a5e0d334 moved some Nitpick code around
blanchet
parents: 35711
diff changeset
  2007
         ([@{const Not} $ (is_unknown_t $ normal_x),
eee1a5e0d334 moved some Nitpick code around
blanchet
parents: 35711
diff changeset
  2008
           @{const Not} $ (is_unknown_t $ normal_y),
eee1a5e0d334 moved some Nitpick code around
blanchet
parents: 35711
diff changeset
  2009
           equiv_rel $ x_var $ y_var] |> map HOLogic.mk_Trueprop,
eee1a5e0d334 moved some Nitpick code around
blanchet
parents: 35711
diff changeset
  2010
           Logic.mk_equals (normal_x, normal_y)),
eee1a5e0d334 moved some Nitpick code around
blanchet
parents: 35711
diff changeset
  2011
     Logic.list_implies
eee1a5e0d334 moved some Nitpick code around
blanchet
parents: 35711
diff changeset
  2012
         ([HOLogic.mk_Trueprop (@{const Not} $ (is_unknown_t $ normal_x)),
eee1a5e0d334 moved some Nitpick code around
blanchet
parents: 35711
diff changeset
  2013
           HOLogic.mk_Trueprop (@{const Not} $ HOLogic.mk_eq (normal_x, x_var))],
eee1a5e0d334 moved some Nitpick code around
blanchet
parents: 35711
diff changeset
  2014
          HOLogic.mk_Trueprop (equiv_rel $ x_var $ normal_x))]
38243
f41865450450 added support for partial quotient types;
blanchet
parents: 38242
diff changeset
  2015
    |> partial ? cons (HOLogic.mk_Trueprop (equiv_rel $ sel_a_t $ sel_a_t))
35718
eee1a5e0d334 moved some Nitpick code around
blanchet
parents: 35711
diff changeset
  2016
  end
eee1a5e0d334 moved some Nitpick code around
blanchet
parents: 35711
diff changeset
  2017
39345
062c10ff848c remove unreferenced identifiers
blanchet
parents: 39315
diff changeset
  2018
fun codatatype_bisim_axioms (hol_ctxt as {ctxt, stds, ...}) T =
33192
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  2019
  let
35070
96136eb6218f split "nitpick_hol.ML" into two files to make it more manageable;
blanchet
parents: 34998
diff changeset
  2020
    val xs = datatype_constrs hol_ctxt T
46101
da17bfdadef6 handle starred predicates correctly w.r.t. "set"
blanchet
parents: 46094
diff changeset
  2021
    val pred_T = T --> bool_T
33192
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  2022
    val iter_T = @{typ bisim_iterator}
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  2023
    val bisim_max = @{const bisim_iterator_max}
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  2024
    val n_var = Var (("n", 0), iter_T)
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  2025
    val n_var_minus_1 =
35671
ed2c3830d881 improved Nitpick's precision for "card" and "setsum" + fix incorrect outcome code w.r.t. "bisim_depth = -1"
blanchet
parents: 35665
diff changeset
  2026
      Const (@{const_name safe_The}, (iter_T --> bool_T) --> iter_T)
33192
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  2027
      $ Abs ("m", iter_T, HOLogic.eq_const iter_T
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  2028
                          $ (suc_const iter_T $ Bound 0) $ n_var)
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  2029
    val x_var = Var (("x", 0), T)
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  2030
    val y_var = Var (("y", 0), T)
46113
blanchet
parents: 46107
diff changeset
  2031
    fun bisim_const T = Const (@{const_name bisim}, [iter_T, T, T] ---> bool_T)
33192
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  2032
    fun nth_sub_bisim x n nth_T =
38240
a44d108a8d39 local versions of Nitpick.register_xxx functions
blanchet
parents: 38215
diff changeset
  2033
      (if is_codatatype ctxt nth_T then bisim_const nth_T $ n_var_minus_1
33192
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  2034
       else HOLogic.eq_const nth_T)
37256
0dca1ec52999 thread along context instead of theory for typedef lookup
blanchet
parents: 37253
diff changeset
  2035
      $ select_nth_constr_arg ctxt stds x x_var n nth_T
0dca1ec52999 thread along context instead of theory for typedef lookup
blanchet
parents: 37253
diff changeset
  2036
      $ select_nth_constr_arg ctxt stds x y_var n nth_T
33192
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  2037
    fun case_func (x as (_, T)) =
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  2038
      let
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  2039
        val arg_Ts = binder_types T
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  2040
        val core_t =
35070
96136eb6218f split "nitpick_hol.ML" into two files to make it more manageable;
blanchet
parents: 34998
diff changeset
  2041
          discriminate_value hol_ctxt x y_var ::
33192
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  2042
          map2 (nth_sub_bisim x) (index_seq 0 (length arg_Ts)) arg_Ts
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  2043
          |> foldr1 s_conj
44241
7943b69f0188 modernized signature of Term.absfree/absdummy;
wenzelm
parents: 44017
diff changeset
  2044
      in fold_rev absdummy arg_Ts core_t end
33192
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  2045
  in
38163
bc546396b818 prefer implication to equality, to be more SAT solver friendly
blanchet
parents: 38161
diff changeset
  2046
    [HOLogic.mk_imp
bc546396b818 prefer implication to equality, to be more SAT solver friendly
blanchet
parents: 38161
diff changeset
  2047
       (HOLogic.mk_disj (HOLogic.eq_const iter_T $ n_var $ zero_const iter_T,
42958
034fc4d0c909 fixed de Bruijn index bug
blanchet
parents: 42793
diff changeset
  2048
            s_betapply [] (optimized_case_def hol_ctxt [] T bool_T
38163
bc546396b818 prefer implication to equality, to be more SAT solver friendly
blanchet
parents: 38161
diff changeset
  2049
                                              (map case_func xs), x_var)),
bc546396b818 prefer implication to equality, to be more SAT solver friendly
blanchet
parents: 38161
diff changeset
  2050
        bisim_const T $ n_var $ x_var $ y_var),
46101
da17bfdadef6 handle starred predicates correctly w.r.t. "set"
blanchet
parents: 46094
diff changeset
  2051
     HOLogic.eq_const pred_T $ (bisim_const T $ bisim_max $ x_var)
46107
e740ffcd0ef4 fixed bisimilarity axiom -- avoid "insert" with wrong type
blanchet
parents: 46102
diff changeset
  2052
     $ Abs (Name.uu, T, HOLogic.mk_eq (x_var, Bound 0))]
33192
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  2053
    |> map HOLogic.mk_Trueprop
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  2054
  end
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  2055
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  2056
exception NO_TRIPLE of unit
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  2057
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  2058
fun triple_for_intro_rule thy x t =
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  2059
  let
35625
9c818cab0dd0 modernized structure Object_Logic;
wenzelm
parents: 35408
diff changeset
  2060
    val prems = Logic.strip_imp_prems t |> map (Object_Logic.atomize_term thy)
9c818cab0dd0 modernized structure Object_Logic;
wenzelm
parents: 35408
diff changeset
  2061
    val concl = Logic.strip_imp_concl t |> Object_Logic.atomize_term thy
34121
5e831d805118 get rid of polymorphic equality in Nitpick's code + a few minor cleanups
blanchet
parents: 33978
diff changeset
  2062
    val (main, side) = List.partition (exists_Const (curry (op =) x)) prems
36385
ff5f88702590 remove type annotations as comments;
blanchet
parents: 36380
diff changeset
  2063
    val is_good_head = curry (op =) (Const x) o head_of
33192
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  2064
  in
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  2065
    if forall is_good_head main then (side, main, concl) else raise NO_TRIPLE ()
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  2066
  end
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  2067
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  2068
val tuple_for_args = HOLogic.mk_tuple o snd o strip_comb
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  2069
fun wf_constraint_for rel side concl main =
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  2070
  let
37269
49c45156c9e1 cosmetics
blanchet
parents: 37264
diff changeset
  2071
    val core = HOLogic.mk_mem (HOLogic.mk_prod
49c45156c9e1 cosmetics
blanchet
parents: 37264
diff changeset
  2072
                               (pairself tuple_for_args (main, concl)), Var rel)
33192
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  2073
    val t = List.foldl HOLogic.mk_imp core side
37269
49c45156c9e1 cosmetics
blanchet
parents: 37264
diff changeset
  2074
    val vars = filter_out (curry (op =) rel) (Term.add_vars t [])
33192
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  2075
  in
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  2076
    Library.foldl (fn (t', ((x, j), T)) =>
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  2077
                      HOLogic.all_const T
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  2078
                      $ Abs (x, T, abstract_over (Var ((x, j), T), t')))
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  2079
                  (t, vars)
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  2080
  end
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  2081
fun wf_constraint_for_triple rel (side, main, concl) =
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  2082
  map (wf_constraint_for rel side concl) main |> foldr1 s_conj
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  2083
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  2084
fun terminates_by ctxt timeout goal tac =
42793
88bee9f6eec7 proper Proof.context for classical tactics;
wenzelm
parents: 42697
diff changeset
  2085
  can (SINGLE (Classical.safe_tac ctxt) #> the
88bee9f6eec7 proper Proof.context for classical tactics;
wenzelm
parents: 42697
diff changeset
  2086
       #> SINGLE (DETERM_TIMEOUT timeout (tac ctxt (auto_tac ctxt)))
33192
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  2087
       #> the #> Goal.finish ctxt) goal
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  2088
35181
92d857a4e5e0 synchronize Nitpick's wellfoundedness formulas caching
blanchet
parents: 35179
diff changeset
  2089
val max_cached_wfs = 50
54816
10d48c2a3e32 made timeouts in Sledgehammer not be 'option's -- simplified lots of code
blanchet
parents: 54489
diff changeset
  2090
val cached_timeout = Synchronized.var "Nitpick_HOL.cached_timeout" Time.zeroTime
35181
92d857a4e5e0 synchronize Nitpick's wellfoundedness formulas caching
blanchet
parents: 35179
diff changeset
  2091
val cached_wf_props =
92d857a4e5e0 synchronize Nitpick's wellfoundedness formulas caching
blanchet
parents: 35179
diff changeset
  2092
  Synchronized.var "Nitpick_HOL.cached_wf_props" ([] : (term * bool) list)
33192
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  2093
33351
37ec56ac3fd4 less verbose termination tactics
krauss
parents: 33232
diff changeset
  2094
val termination_tacs = [Lexicographic_Order.lex_order_tac true,
33192
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  2095
                        ScnpReconstruct.sizechange_tac]
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  2096
33580
45c33e97cb86 added datatype constructor cache in Nitpick (to speed up the scope enumeration) and never test more than 4096 scopes
blanchet
parents: 33578
diff changeset
  2097
fun uncached_is_well_founded_inductive_pred
39359
6f49c7fbb1b1 remove "fast_descs" option from Nitpick;
blanchet
parents: 39345
diff changeset
  2098
        ({thy, ctxt, stds, debug, tac_timeout, intro_table, ...} : hol_context)
6f49c7fbb1b1 remove "fast_descs" option from Nitpick;
blanchet
parents: 39345
diff changeset
  2099
        (x as (_, T)) =
6f49c7fbb1b1 remove "fast_descs" option from Nitpick;
blanchet
parents: 39345
diff changeset
  2100
  case def_props_for_const thy stds intro_table x of
33580
45c33e97cb86 added datatype constructor cache in Nitpick (to speed up the scope enumeration) and never test more than 4096 scopes
blanchet
parents: 33578
diff changeset
  2101
    [] => raise TERM ("Nitpick_HOL.uncached_is_well_founded_inductive",
33232
f93390060bbe internal renaming in Nitpick and fixed Kodkodi invokation on Linux;
blanchet
parents: 33202
diff changeset
  2102
                      [Const x])
33192
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  2103
  | intro_ts =>
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  2104
    (case map (triple_for_intro_rule thy x) intro_ts
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  2105
          |> filter_out (null o #2) of
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  2106
       [] => true
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  2107
     | triples =>
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  2108
       let
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  2109
         val binders_T = HOLogic.mk_tupleT (binder_types T)
46089
d98eb715444d construct correct "set" type for wf goal
blanchet
parents: 46088
diff changeset
  2110
         val rel_T = HOLogic.mk_setT (HOLogic.mk_prodT (binders_T, binders_T))
33882
9db7854eafc7 fix soundness bug in Nitpick's handling of negative literals (e.g., -1::rat)
blanchet
parents: 33879
diff changeset
  2111
         val j = fold Integer.max (map maxidx_of_term intro_ts) 0 + 1
33192
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  2112
         val rel = (("R", j), rel_T)
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  2113
         val prop = Const (@{const_name wf}, rel_T --> bool_T) $ Var rel ::
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  2114
                    map (wf_constraint_for_triple rel) triples
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  2115
                    |> foldr1 s_conj |> HOLogic.mk_Trueprop
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  2116
         val _ = if debug then
40132
7ee65dbffa31 renamed Output.priority to Output.urgent_message to emphasize its special role more clearly;
wenzelm
parents: 39687
diff changeset
  2117
                   Output.urgent_message ("Wellfoundedness goal: " ^
33192
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  2118
                             Syntax.string_of_term ctxt prop ^ ".")
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  2119
                 else
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  2120
                   ()
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  2121
       in
35181
92d857a4e5e0 synchronize Nitpick's wellfoundedness formulas caching
blanchet
parents: 35179
diff changeset
  2122
         if tac_timeout = Synchronized.value cached_timeout andalso
92d857a4e5e0 synchronize Nitpick's wellfoundedness formulas caching
blanchet
parents: 35179
diff changeset
  2123
            length (Synchronized.value cached_wf_props) < max_cached_wfs then
33557
107f3df799f6 clean Nitpick's wellfoundedness cache once in a while, to avoid potential memory leak
blanchet
parents: 33556
diff changeset
  2124
           ()
107f3df799f6 clean Nitpick's wellfoundedness cache once in a while, to avoid potential memory leak
blanchet
parents: 33556
diff changeset
  2125
         else
35181
92d857a4e5e0 synchronize Nitpick's wellfoundedness formulas caching
blanchet
parents: 35179
diff changeset
  2126
           (Synchronized.change cached_wf_props (K []);
92d857a4e5e0 synchronize Nitpick's wellfoundedness formulas caching
blanchet
parents: 35179
diff changeset
  2127
            Synchronized.change cached_timeout (K tac_timeout));
92d857a4e5e0 synchronize Nitpick's wellfoundedness formulas caching
blanchet
parents: 35179
diff changeset
  2128
         case AList.lookup (op =) (Synchronized.value cached_wf_props) prop of
33192
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  2129
           SOME wf => wf
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  2130
         | NONE =>
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  2131
           let
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  2132
             val goal = prop |> cterm_of thy |> Goal.init
33705
947184dc75c9 removed a few global names in Nitpick (styp, nat_less, pairf)
blanchet
parents: 33583
diff changeset
  2133
             val wf = exists (terminates_by ctxt tac_timeout goal)
947184dc75c9 removed a few global names in Nitpick (styp, nat_less, pairf)
blanchet
parents: 33583
diff changeset
  2134
                             termination_tacs
35181
92d857a4e5e0 synchronize Nitpick's wellfoundedness formulas caching
blanchet
parents: 35179
diff changeset
  2135
           in Synchronized.change cached_wf_props (cons (prop, wf)); wf end
33192
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  2136
       end)
35309
997aa3a3e4bb catch IO errors in Nitpick's "kodkodi" invocation + shorten execution time of "Manual_Nits" example
blanchet
parents: 35284
diff changeset
  2137
    handle List.Empty => false | NO_TRIPLE () => false
33192
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  2138
35070
96136eb6218f split "nitpick_hol.ML" into two files to make it more manageable;
blanchet
parents: 34998
diff changeset
  2139
(* The type constraint below is a workaround for a Poly/ML crash. *)
33192
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  2140
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  2141
fun is_well_founded_inductive_pred
41791
01d722707a36 always unfold constant defitions marked with "nitpick_def" -- to prevent unfolding, there's already "nitpick_simp"
blanchet
parents: 41472
diff changeset
  2142
        (hol_ctxt as {thy, wfs, def_tables, wf_cache, ...} : hol_context)
33192
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  2143
        (x as (s, _)) =
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  2144
  case triple_lookup (const_match thy) wfs x of
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  2145
    SOME (SOME b) => b
34936
c4f04bee79f3 some work on Nitpick's support for quotient types;
blanchet
parents: 34126
diff changeset
  2146
  | _ => s = @{const_name Nats} orelse s = @{const_name fold_graph'} orelse
c4f04bee79f3 some work on Nitpick's support for quotient types;
blanchet
parents: 34126
diff changeset
  2147
         case AList.lookup (op =) (!wf_cache) x of
35181
92d857a4e5e0 synchronize Nitpick's wellfoundedness formulas caching
blanchet
parents: 35179
diff changeset
  2148
           SOME (_, wf) => wf
92d857a4e5e0 synchronize Nitpick's wellfoundedness formulas caching
blanchet
parents: 35179
diff changeset
  2149
         | NONE =>
92d857a4e5e0 synchronize Nitpick's wellfoundedness formulas caching
blanchet
parents: 35179
diff changeset
  2150
           let
41791
01d722707a36 always unfold constant defitions marked with "nitpick_def" -- to prevent unfolding, there's already "nitpick_simp"
blanchet
parents: 41472
diff changeset
  2151
             val gfp = (fixpoint_kind_of_const thy def_tables x = Gfp)
35181
92d857a4e5e0 synchronize Nitpick's wellfoundedness formulas caching
blanchet
parents: 35179
diff changeset
  2152
             val wf = uncached_is_well_founded_inductive_pred hol_ctxt x
92d857a4e5e0 synchronize Nitpick's wellfoundedness formulas caching
blanchet
parents: 35179
diff changeset
  2153
           in
92d857a4e5e0 synchronize Nitpick's wellfoundedness formulas caching
blanchet
parents: 35179
diff changeset
  2154
             Unsynchronized.change wf_cache (cons (x, (gfp, wf))); wf
92d857a4e5e0 synchronize Nitpick's wellfoundedness formulas caching
blanchet
parents: 35179
diff changeset
  2155
           end
33192
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  2156
35280
54ab4921f826 fixed a few bugs in Nitpick and removed unreferenced variables
blanchet
parents: 35220
diff changeset
  2157
fun ap_curry [_] _ t = t
54ab4921f826 fixed a few bugs in Nitpick and removed unreferenced variables
blanchet
parents: 35220
diff changeset
  2158
  | ap_curry arg_Ts tuple_T t =
33192
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  2159
    let val n = length arg_Ts in
46219
426ed18eba43 discontinued old-style Term.list_abs in favour of plain Term.abs;
wenzelm
parents: 46217
diff changeset
  2160
      fold_rev (Term.abs o pair "c") arg_Ts
426ed18eba43 discontinued old-style Term.list_abs in favour of plain Term.abs;
wenzelm
parents: 46217
diff changeset
  2161
                (incr_boundvars n t $ mk_flat_tuple tuple_T (map Bound (n - 1 downto 0)))
33192
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  2162
    end
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  2163
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  2164
fun num_occs_of_bound_in_term j (t1 $ t2) =
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  2165
    op + (pairself (num_occs_of_bound_in_term j) (t1, t2))
35280
54ab4921f826 fixed a few bugs in Nitpick and removed unreferenced variables
blanchet
parents: 35220
diff changeset
  2166
  | num_occs_of_bound_in_term j (Abs (_, _, t')) =
33192
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  2167
    num_occs_of_bound_in_term (j + 1) t'
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  2168
  | num_occs_of_bound_in_term j (Bound j') = if j' = j then 1 else 0
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  2169
  | num_occs_of_bound_in_term _ _ = 0
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  2170
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  2171
val is_linear_inductive_pred_def =
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  2172
  let
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  2173
    fun do_disjunct j (Const (@{const_name Ex}, _) $ Abs (_, _, t2)) =
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  2174
        do_disjunct (j + 1) t2
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  2175
      | do_disjunct j t =
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  2176
        case num_occs_of_bound_in_term j t of
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  2177
          0 => true
35070
96136eb6218f split "nitpick_hol.ML" into two files to make it more manageable;
blanchet
parents: 34998
diff changeset
  2178
        | 1 => exists (curry (op =) (Bound j) o head_of) (conjuncts_of t)
33192
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  2179
        | _ => false
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  2180
    fun do_lfp_def (Const (@{const_name lfp}, _) $ t2) =
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  2181
        let val (xs, body) = strip_abs t2 in
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  2182
          case length xs of
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  2183
            1 => false
35070
96136eb6218f split "nitpick_hol.ML" into two files to make it more manageable;
blanchet
parents: 34998
diff changeset
  2184
          | n => forall (do_disjunct (n - 1)) (disjuncts_of body)
33192
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  2185
        end
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  2186
      | do_lfp_def _ = false
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  2187
  in do_lfp_def o strip_abs_body end
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  2188
33851
ab6ecae44033 fixed error in Nitpick's "star_linear_preds" optimization, which resulted in an ill-typed term;
blanchet
parents: 33747
diff changeset
  2189
fun n_ptuple_paths 0 = []
ab6ecae44033 fixed error in Nitpick's "star_linear_preds" optimization, which resulted in an ill-typed term;
blanchet
parents: 33747
diff changeset
  2190
  | n_ptuple_paths 1 = []
ab6ecae44033 fixed error in Nitpick's "star_linear_preds" optimization, which resulted in an ill-typed term;
blanchet
parents: 33747
diff changeset
  2191
  | n_ptuple_paths n = [] :: map (cons 2) (n_ptuple_paths (n - 1))
ab6ecae44033 fixed error in Nitpick's "star_linear_preds" optimization, which resulted in an ill-typed term;
blanchet
parents: 33747
diff changeset
  2192
val ap_n_split = HOLogic.mk_psplits o n_ptuple_paths
33192
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  2193
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  2194
val linear_pred_base_and_step_rhss =
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  2195
  let
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  2196
    fun aux (Const (@{const_name lfp}, _) $ t2) =
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  2197
        let
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  2198
          val (xs, body) = strip_abs t2
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  2199
          val arg_Ts = map snd (tl xs)
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  2200
          val tuple_T = HOLogic.mk_tupleT arg_Ts
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  2201
          val j = length arg_Ts
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  2202
          fun repair_rec j (Const (@{const_name Ex}, T1) $ Abs (s2, T2, t2')) =
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  2203
              Const (@{const_name Ex}, T1)
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  2204
              $ Abs (s2, T2, repair_rec (j + 1) t2')
38795
848be46708dc formerly unnamed infix conjunction and disjunction now named HOL.conj and HOL.disj
haftmann
parents: 38786
diff changeset
  2205
            | repair_rec j (@{const HOL.conj} $ t1 $ t2) =
848be46708dc formerly unnamed infix conjunction and disjunction now named HOL.conj and HOL.disj
haftmann
parents: 38786
diff changeset
  2206
              @{const HOL.conj} $ repair_rec j t1 $ repair_rec j t2
33192
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  2207
            | repair_rec j t =
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  2208
              let val (head, args) = strip_comb t in
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  2209
                if head = Bound j then
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  2210
                  HOLogic.eq_const tuple_T $ Bound j
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  2211
                  $ mk_flat_tuple tuple_T args
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  2212
                else
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  2213
                  t
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  2214
              end
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  2215
          val (nonrecs, recs) =
34121
5e831d805118 get rid of polymorphic equality in Nitpick's code + a few minor cleanups
blanchet
parents: 33978
diff changeset
  2216
            List.partition (curry (op =) 0 o num_occs_of_bound_in_term j)
35070
96136eb6218f split "nitpick_hol.ML" into two files to make it more manageable;
blanchet
parents: 34998
diff changeset
  2217
                           (disjuncts_of body)
33192
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  2218
          val base_body = nonrecs |> List.foldl s_disj @{const False}
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  2219
          val step_body = recs |> map (repair_rec j)
39315
27f7b7748425 always handle type variables in typedefs as global
blanchet
parents: 38864
diff changeset
  2220
                               |> List.foldl s_disj @{const False}
33192
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  2221
        in
46219
426ed18eba43 discontinued old-style Term.list_abs in favour of plain Term.abs;
wenzelm
parents: 46217
diff changeset
  2222
          (fold_rev Term.abs (tl xs) (incr_bv (~1, j, base_body))
33851
ab6ecae44033 fixed error in Nitpick's "star_linear_preds" optimization, which resulted in an ill-typed term;
blanchet
parents: 33747
diff changeset
  2223
           |> ap_n_split (length arg_Ts) tuple_T bool_T,
46219
426ed18eba43 discontinued old-style Term.list_abs in favour of plain Term.abs;
wenzelm
parents: 46217
diff changeset
  2224
           Abs ("y", tuple_T, fold_rev Term.abs (tl xs) step_body
33851
ab6ecae44033 fixed error in Nitpick's "star_linear_preds" optimization, which resulted in an ill-typed term;
blanchet
parents: 33747
diff changeset
  2225
                              |> ap_n_split (length arg_Ts) tuple_T bool_T))
33192
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  2226
        end
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  2227
      | aux t =
33232
f93390060bbe internal renaming in Nitpick and fixed Kodkodi invokation on Linux;
blanchet
parents: 33202
diff changeset
  2228
        raise TERM ("Nitpick_HOL.linear_pred_base_and_step_rhss.aux", [t])
33192
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  2229
  in aux end
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  2230
46101
da17bfdadef6 handle starred predicates correctly w.r.t. "set"
blanchet
parents: 46094
diff changeset
  2231
fun predicatify T t =
da17bfdadef6 handle starred predicates correctly w.r.t. "set"
blanchet
parents: 46094
diff changeset
  2232
  let val set_T = HOLogic.mk_setT T in
da17bfdadef6 handle starred predicates correctly w.r.t. "set"
blanchet
parents: 46094
diff changeset
  2233
    Abs (Name.uu, T,
da17bfdadef6 handle starred predicates correctly w.r.t. "set"
blanchet
parents: 46094
diff changeset
  2234
         Const (@{const_name Set.member}, T --> set_T --> bool_T)
da17bfdadef6 handle starred predicates correctly w.r.t. "set"
blanchet
parents: 46094
diff changeset
  2235
         $ Bound 0 $ incr_boundvars 1 t)
da17bfdadef6 handle starred predicates correctly w.r.t. "set"
blanchet
parents: 46094
diff changeset
  2236
  end
da17bfdadef6 handle starred predicates correctly w.r.t. "set"
blanchet
parents: 46094
diff changeset
  2237
35280
54ab4921f826 fixed a few bugs in Nitpick and removed unreferenced variables
blanchet
parents: 35220
diff changeset
  2238
fun starred_linear_pred_const (hol_ctxt as {simp_table, ...}) (s, T) def =
33192
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  2239
  let
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  2240
    val j = maxidx_of_term def + 1
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  2241
    val (outer, fp_app) = strip_abs def
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  2242
    val outer_bounds = map Bound (length outer - 1 downto 0)
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  2243
    val outer_vars = map (fn (s, T) => Var ((s, j), T)) outer
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  2244
    val fp_app = subst_bounds (rev outer_vars, fp_app)
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  2245
    val (outer_Ts, rest_T) = strip_n_binders (length outer) T
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  2246
    val tuple_arg_Ts = strip_type rest_T |> fst
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  2247
    val tuple_T = HOLogic.mk_tupleT tuple_arg_Ts
46101
da17bfdadef6 handle starred predicates correctly w.r.t. "set"
blanchet
parents: 46094
diff changeset
  2248
    val prod_T = HOLogic.mk_prodT (tuple_T, tuple_T)
da17bfdadef6 handle starred predicates correctly w.r.t. "set"
blanchet
parents: 46094
diff changeset
  2249
    val set_T = HOLogic.mk_setT tuple_T
da17bfdadef6 handle starred predicates correctly w.r.t. "set"
blanchet
parents: 46094
diff changeset
  2250
    val rel_T = HOLogic.mk_setT prod_T
da17bfdadef6 handle starred predicates correctly w.r.t. "set"
blanchet
parents: 46094
diff changeset
  2251
    val pred_T = tuple_T --> bool_T
da17bfdadef6 handle starred predicates correctly w.r.t. "set"
blanchet
parents: 46094
diff changeset
  2252
    val curried_T = tuple_T --> pred_T
da17bfdadef6 handle starred predicates correctly w.r.t. "set"
blanchet
parents: 46094
diff changeset
  2253
    val uncurried_T = prod_T --> bool_T
33192
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  2254
    val (base_rhs, step_rhs) = linear_pred_base_and_step_rhss fp_app
46101
da17bfdadef6 handle starred predicates correctly w.r.t. "set"
blanchet
parents: 46094
diff changeset
  2255
    val base_x as (base_s, _) = (base_prefix ^ s, outer_Ts ---> pred_T)
33192
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  2256
    val base_eq = HOLogic.mk_eq (list_comb (Const base_x, outer_vars), base_rhs)
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  2257
                  |> HOLogic.mk_Trueprop
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  2258
    val _ = add_simps simp_table base_s [base_eq]
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  2259
    val step_x as (step_s, _) = (step_prefix ^ s, outer_Ts ---> curried_T)
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  2260
    val step_eq = HOLogic.mk_eq (list_comb (Const step_x, outer_vars), step_rhs)
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  2261
                  |> HOLogic.mk_Trueprop
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  2262
    val _ = add_simps simp_table step_s [step_eq]
46101
da17bfdadef6 handle starred predicates correctly w.r.t. "set"
blanchet
parents: 46094
diff changeset
  2263
    val image_const = Const (@{const_name Image}, rel_T --> set_T --> set_T)
da17bfdadef6 handle starred predicates correctly w.r.t. "set"
blanchet
parents: 46094
diff changeset
  2264
    val rtrancl_const = Const (@{const_name rtrancl}, rel_T --> rel_T)
da17bfdadef6 handle starred predicates correctly w.r.t. "set"
blanchet
parents: 46094
diff changeset
  2265
    val base_set =
da17bfdadef6 handle starred predicates correctly w.r.t. "set"
blanchet
parents: 46094
diff changeset
  2266
      HOLogic.Collect_const tuple_T $ list_comb (Const base_x, outer_bounds)
da17bfdadef6 handle starred predicates correctly w.r.t. "set"
blanchet
parents: 46094
diff changeset
  2267
    val step_set =
da17bfdadef6 handle starred predicates correctly w.r.t. "set"
blanchet
parents: 46094
diff changeset
  2268
      HOLogic.Collect_const prod_T
55414
eab03e9cee8a renamed '{prod,sum,bool,unit}_case' to 'case_...'
blanchet
parents: 55080
diff changeset
  2269
      $ (Const (@{const_name case_prod}, curried_T --> uncurried_T)
46101
da17bfdadef6 handle starred predicates correctly w.r.t. "set"
blanchet
parents: 46094
diff changeset
  2270
                $ list_comb (Const step_x, outer_bounds))
da17bfdadef6 handle starred predicates correctly w.r.t. "set"
blanchet
parents: 46094
diff changeset
  2271
    val image_set =
da17bfdadef6 handle starred predicates correctly w.r.t. "set"
blanchet
parents: 46094
diff changeset
  2272
      image_const $ (rtrancl_const $ step_set) $ base_set
da17bfdadef6 handle starred predicates correctly w.r.t. "set"
blanchet
parents: 46094
diff changeset
  2273
      |> predicatify tuple_T
33192
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  2274
  in
46219
426ed18eba43 discontinued old-style Term.list_abs in favour of plain Term.abs;
wenzelm
parents: 46217
diff changeset
  2275
    fold_rev Term.abs outer (image_set |> ap_curry tuple_arg_Ts tuple_T)
35070
96136eb6218f split "nitpick_hol.ML" into two files to make it more manageable;
blanchet
parents: 34998
diff changeset
  2276
    |> unfold_defs_in_term hol_ctxt
33192
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  2277
  end
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  2278
38168
e5978befb951 careful about which linear inductive predicates should be starred
blanchet
parents: 38163
diff changeset
  2279
fun is_good_starred_linear_pred_type (Type (@{type_name fun}, Ts)) =
46115
ecab67f5a5c2 improved "set" support by code inspection
blanchet
parents: 46113
diff changeset
  2280
    forall (not o (is_fun_or_set_type orf is_pair_type)) Ts
38168
e5978befb951 careful about which linear inductive predicates should be starred
blanchet
parents: 38163
diff changeset
  2281
  | is_good_starred_linear_pred_type _ = false
e5978befb951 careful about which linear inductive predicates should be starred
blanchet
parents: 38163
diff changeset
  2282
35070
96136eb6218f split "nitpick_hol.ML" into two files to make it more manageable;
blanchet
parents: 34998
diff changeset
  2283
fun unrolled_inductive_pred_const (hol_ctxt as {thy, star_linear_preds,
41791
01d722707a36 always unfold constant defitions marked with "nitpick_def" -- to prevent unfolding, there's already "nitpick_simp"
blanchet
parents: 41472
diff changeset
  2284
                                                def_tables, simp_table, ...})
33192
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  2285
                                  gfp (x as (s, T)) =
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  2286
  let
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  2287
    val iter_T = iterator_type_for_const gfp x
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  2288
    val x' as (s', _) = (unrolled_prefix ^ s, iter_T --> T)
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  2289
    val unrolled_const = Const x' $ zero_const iter_T
41791
01d722707a36 always unfold constant defitions marked with "nitpick_def" -- to prevent unfolding, there's already "nitpick_simp"
blanchet
parents: 41472
diff changeset
  2290
    val def = the (def_of_const thy def_tables x)
33192
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  2291
  in
38202
379fb08da97b prevent the expansion of too large definitions -- use equations for these instead
blanchet
parents: 38201
diff changeset
  2292
    if is_equational_fun_but_no_plain_def hol_ctxt x' then
33192
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  2293
      unrolled_const (* already done *)
38168
e5978befb951 careful about which linear inductive predicates should be starred
blanchet
parents: 38163
diff changeset
  2294
    else if not gfp andalso star_linear_preds andalso
e5978befb951 careful about which linear inductive predicates should be starred
blanchet
parents: 38163
diff changeset
  2295
         is_linear_inductive_pred_def def andalso
e5978befb951 careful about which linear inductive predicates should be starred
blanchet
parents: 38163
diff changeset
  2296
         is_good_starred_linear_pred_type T then
35070
96136eb6218f split "nitpick_hol.ML" into two files to make it more manageable;
blanchet
parents: 34998
diff changeset
  2297
      starred_linear_pred_const hol_ctxt x def
33192
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  2298
    else
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  2299
      let
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  2300
        val j = maxidx_of_term def + 1
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  2301
        val (outer, fp_app) = strip_abs def
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  2302
        val outer_bounds = map Bound (length outer - 1 downto 0)
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  2303
        val cur = Var ((iter_var_prefix, j + 1), iter_T)
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  2304
        val next = suc_const iter_T $ cur
37476
0681e46b4022 optimized code generated for datatype cases + more;
blanchet
parents: 37269
diff changeset
  2305
        val rhs =
0681e46b4022 optimized code generated for datatype cases + more;
blanchet
parents: 37269
diff changeset
  2306
          case fp_app of
0681e46b4022 optimized code generated for datatype cases + more;
blanchet
parents: 37269
diff changeset
  2307
            Const _ $ t =>
0681e46b4022 optimized code generated for datatype cases + more;
blanchet
parents: 37269
diff changeset
  2308
            s_betapply [] (t, list_comb (Const x', next :: outer_bounds))
0681e46b4022 optimized code generated for datatype cases + more;
blanchet
parents: 37269
diff changeset
  2309
          | _ => raise TERM ("Nitpick_HOL.unrolled_inductive_pred_const",
0681e46b4022 optimized code generated for datatype cases + more;
blanchet
parents: 37269
diff changeset
  2310
                             [fp_app])
33192
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  2311
        val (inner, naked_rhs) = strip_abs rhs
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  2312
        val all = outer @ inner
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  2313
        val bounds = map Bound (length all - 1 downto 0)
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  2314
        val vars = map (fn (s, T) => Var ((s, j), T)) all
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  2315
        val eq = HOLogic.mk_eq (list_comb (Const x', cur :: bounds), naked_rhs)
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  2316
                 |> HOLogic.mk_Trueprop |> curry subst_bounds (rev vars)
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  2317
        val _ = add_simps simp_table s' [eq]
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  2318
      in unrolled_const end
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  2319
  end
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  2320
41791
01d722707a36 always unfold constant defitions marked with "nitpick_def" -- to prevent unfolding, there's already "nitpick_simp"
blanchet
parents: 41472
diff changeset
  2321
fun raw_inductive_pred_axiom ({thy, def_tables, ...} : hol_context) x =
33192
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  2322
  let
41791
01d722707a36 always unfold constant defitions marked with "nitpick_def" -- to prevent unfolding, there's already "nitpick_simp"
blanchet
parents: 41472
diff changeset
  2323
    val def = the (def_of_const thy def_tables x)
33192
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  2324
    val (outer, fp_app) = strip_abs def
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  2325
    val outer_bounds = map Bound (length outer - 1 downto 0)
37476
0681e46b4022 optimized code generated for datatype cases + more;
blanchet
parents: 37269
diff changeset
  2326
    val rhs =
0681e46b4022 optimized code generated for datatype cases + more;
blanchet
parents: 37269
diff changeset
  2327
      case fp_app of
0681e46b4022 optimized code generated for datatype cases + more;
blanchet
parents: 37269
diff changeset
  2328
        Const _ $ t => s_betapply [] (t, list_comb (Const x, outer_bounds))
0681e46b4022 optimized code generated for datatype cases + more;
blanchet
parents: 37269
diff changeset
  2329
      | _ => raise TERM ("Nitpick_HOL.raw_inductive_pred_axiom", [fp_app])
33192
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  2330
    val (inner, naked_rhs) = strip_abs rhs
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  2331
    val all = outer @ inner
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  2332
    val bounds = map Bound (length all - 1 downto 0)
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  2333
    val j = maxidx_of_term def + 1
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  2334
    val vars = map (fn (s, T) => Var ((s, j), T)) all
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  2335
  in
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  2336
    HOLogic.mk_eq (list_comb (Const x, bounds), naked_rhs)
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  2337
    |> HOLogic.mk_Trueprop |> curry subst_bounds (rev vars)
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  2338
  end
35070
96136eb6218f split "nitpick_hol.ML" into two files to make it more manageable;
blanchet
parents: 34998
diff changeset
  2339
fun inductive_pred_axiom hol_ctxt (x as (s, T)) =
33192
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  2340
  if String.isPrefix ubfp_prefix s orelse String.isPrefix lbfp_prefix s then
35718
eee1a5e0d334 moved some Nitpick code around
blanchet
parents: 35711
diff changeset
  2341
    let val x' = (strip_first_name_sep s |> snd, T) in
35070
96136eb6218f split "nitpick_hol.ML" into two files to make it more manageable;
blanchet
parents: 34998
diff changeset
  2342
      raw_inductive_pred_axiom hol_ctxt x' |> subst_atomic [(Const x', Const x)]
33192
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  2343
    end
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  2344
  else
35070
96136eb6218f split "nitpick_hol.ML" into two files to make it more manageable;
blanchet
parents: 34998
diff changeset
  2345
    raw_inductive_pred_axiom hol_ctxt x
33192
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  2346
41791
01d722707a36 always unfold constant defitions marked with "nitpick_def" -- to prevent unfolding, there's already "nitpick_simp"
blanchet
parents: 41472
diff changeset
  2347
fun equational_fun_axioms (hol_ctxt as {thy, ctxt, stds, def_tables, simp_table,
39359
6f49c7fbb1b1 remove "fast_descs" option from Nitpick;
blanchet
parents: 39345
diff changeset
  2348
                                        psimp_table, ...}) x =
6f49c7fbb1b1 remove "fast_descs" option from Nitpick;
blanchet
parents: 39345
diff changeset
  2349
  case def_props_for_const thy stds (!simp_table) x of
6f49c7fbb1b1 remove "fast_descs" option from Nitpick;
blanchet
parents: 39345
diff changeset
  2350
    [] => (case def_props_for_const thy stds psimp_table x of
38202
379fb08da97b prevent the expansion of too large definitions -- use equations for these instead
blanchet
parents: 38201
diff changeset
  2351
             [] => (if is_inductive_pred hol_ctxt x then
379fb08da97b prevent the expansion of too large definitions -- use equations for these instead
blanchet
parents: 38201
diff changeset
  2352
                      [inductive_pred_axiom hol_ctxt x]
41791
01d722707a36 always unfold constant defitions marked with "nitpick_def" -- to prevent unfolding, there's already "nitpick_simp"
blanchet
parents: 41472
diff changeset
  2353
                    else case def_of_const thy def_tables x of
38202
379fb08da97b prevent the expansion of too large definitions -- use equations for these instead
blanchet
parents: 38201
diff changeset
  2354
                      SOME def =>
379fb08da97b prevent the expansion of too large definitions -- use equations for these instead
blanchet
parents: 38201
diff changeset
  2355
                      @{const Trueprop} $ HOLogic.mk_eq (Const x, def)
379fb08da97b prevent the expansion of too large definitions -- use equations for these instead
blanchet
parents: 38201
diff changeset
  2356
                      |> equationalize_term ctxt "" |> the |> single
379fb08da97b prevent the expansion of too large definitions -- use equations for these instead
blanchet
parents: 38201
diff changeset
  2357
                    | NONE => [])
33192
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  2358
           | psimps => psimps)
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  2359
  | simps => simps
35070
96136eb6218f split "nitpick_hol.ML" into two files to make it more manageable;
blanchet
parents: 34998
diff changeset
  2360
fun is_equational_fun_surely_complete hol_ctxt x =
38202
379fb08da97b prevent the expansion of too large definitions -- use equations for these instead
blanchet
parents: 38201
diff changeset
  2361
  case equational_fun_axioms hol_ctxt x of
38864
4abe644fcea5 formerly unnamed infix equality now named HOL.eq
haftmann
parents: 38795
diff changeset
  2362
    [@{const Trueprop} $ (Const (@{const_name HOL.eq}, _) $ t1 $ _)] =>
35070
96136eb6218f split "nitpick_hol.ML" into two files to make it more manageable;
blanchet
parents: 34998
diff changeset
  2363
    strip_comb t1 |> snd |> forall is_Var
96136eb6218f split "nitpick_hol.ML" into two files to make it more manageable;
blanchet
parents: 34998
diff changeset
  2364
  | _ => false
33192
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  2365
35718
eee1a5e0d334 moved some Nitpick code around
blanchet
parents: 35711
diff changeset
  2366
(** Type preprocessing **)
eee1a5e0d334 moved some Nitpick code around
blanchet
parents: 35711
diff changeset
  2367
38212
a7e92239922f improved "merge_type_vars" option: map supersorts to subsorts, to avoid distinguishing, say, "{}", and "HOL.type"
blanchet
parents: 38209
diff changeset
  2368
fun merged_type_var_table_for_terms thy ts =
33192
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  2369
  let
38212
a7e92239922f improved "merge_type_vars" option: map supersorts to subsorts, to avoid distinguishing, say, "{}", and "HOL.type"
blanchet
parents: 38209
diff changeset
  2370
    fun add (s, S) table =
a7e92239922f improved "merge_type_vars" option: map supersorts to subsorts, to avoid distinguishing, say, "{}", and "HOL.type"
blanchet
parents: 38209
diff changeset
  2371
      table
a7e92239922f improved "merge_type_vars" option: map supersorts to subsorts, to avoid distinguishing, say, "{}", and "HOL.type"
blanchet
parents: 38209
diff changeset
  2372
      |> (case AList.lookup (Sign.subsort thy o swap) table S of
a7e92239922f improved "merge_type_vars" option: map supersorts to subsorts, to avoid distinguishing, say, "{}", and "HOL.type"
blanchet
parents: 38209
diff changeset
  2373
            SOME _ => I
a7e92239922f improved "merge_type_vars" option: map supersorts to subsorts, to avoid distinguishing, say, "{}", and "HOL.type"
blanchet
parents: 38209
diff changeset
  2374
          | NONE =>
a7e92239922f improved "merge_type_vars" option: map supersorts to subsorts, to avoid distinguishing, say, "{}", and "HOL.type"
blanchet
parents: 38209
diff changeset
  2375
            filter_out (fn (S', _) => Sign.subsort thy (S, S'))
a7e92239922f improved "merge_type_vars" option: map supersorts to subsorts, to avoid distinguishing, say, "{}", and "HOL.type"
blanchet
parents: 38209
diff changeset
  2376
            #> cons (S, s))
a7e92239922f improved "merge_type_vars" option: map supersorts to subsorts, to avoid distinguishing, say, "{}", and "HOL.type"
blanchet
parents: 38209
diff changeset
  2377
    val tfrees = [] |> fold Term.add_tfrees ts
a7e92239922f improved "merge_type_vars" option: map supersorts to subsorts, to avoid distinguishing, say, "{}", and "HOL.type"
blanchet
parents: 38209
diff changeset
  2378
                    |> sort (string_ord o pairself fst)
a7e92239922f improved "merge_type_vars" option: map supersorts to subsorts, to avoid distinguishing, say, "{}", and "HOL.type"
blanchet
parents: 38209
diff changeset
  2379
  in [] |> fold add tfrees |> rev end
38169
b51784515471 optimize local "def"s by treating them as definitions
blanchet
parents: 38168
diff changeset
  2380
38212
a7e92239922f improved "merge_type_vars" option: map supersorts to subsorts, to avoid distinguishing, say, "{}", and "HOL.type"
blanchet
parents: 38209
diff changeset
  2381
fun merge_type_vars_in_term thy merge_type_vars table =
38169
b51784515471 optimize local "def"s by treating them as definitions
blanchet
parents: 38168
diff changeset
  2382
  merge_type_vars
b51784515471 optimize local "def"s by treating them as definitions
blanchet
parents: 38168
diff changeset
  2383
  ? map_types (map_atyps
38212
a7e92239922f improved "merge_type_vars" option: map supersorts to subsorts, to avoid distinguishing, say, "{}", and "HOL.type"
blanchet
parents: 38209
diff changeset
  2384
        (fn TFree (_, S) =>
a7e92239922f improved "merge_type_vars" option: map supersorts to subsorts, to avoid distinguishing, say, "{}", and "HOL.type"
blanchet
parents: 38209
diff changeset
  2385
            TFree (table |> find_first (fn (S', _) => Sign.subsort thy (S', S))
a7e92239922f improved "merge_type_vars" option: map supersorts to subsorts, to avoid distinguishing, say, "{}", and "HOL.type"
blanchet
parents: 38209
diff changeset
  2386
                         |> the |> swap)
38169
b51784515471 optimize local "def"s by treating them as definitions
blanchet
parents: 38168
diff changeset
  2387
          | T => T))
33192
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  2388
35190
ce653cc27a94 make sure that Nitpick uses binary notation consistently if "binary_ints" is enabled
blanchet
parents: 35181
diff changeset
  2389
fun add_ground_types hol_ctxt binarize =
ce653cc27a94 make sure that Nitpick uses binary notation consistently if "binary_ints" is enabled
blanchet
parents: 35181
diff changeset
  2390
  let
ce653cc27a94 make sure that Nitpick uses binary notation consistently if "binary_ints" is enabled
blanchet
parents: 35181
diff changeset
  2391
    fun aux T accum =
ce653cc27a94 make sure that Nitpick uses binary notation consistently if "binary_ints" is enabled
blanchet
parents: 35181
diff changeset
  2392
      case T of
35665
ff2bf50505ab added "finitize" option to Nitpick + remove dependency on "Coinductive_List"
blanchet
parents: 35625
diff changeset
  2393
        Type (@{type_name fun}, Ts) => fold aux Ts accum
38190
b02e204b613a get rid of all "optimizations" regarding "unit" and other cardinality-1 types
blanchet
parents: 38188
diff changeset
  2394
      | Type (@{type_name prod}, Ts) => fold aux Ts accum
46083
efeaa79f021b port part of Nitpick to "set" type constructor
blanchet
parents: 46081
diff changeset
  2395
      | Type (@{type_name set}, Ts) => fold aux Ts accum
35190
ce653cc27a94 make sure that Nitpick uses binary notation consistently if "binary_ints" is enabled
blanchet
parents: 35181
diff changeset
  2396
      | Type (@{type_name itself}, [T1]) => aux T1 accum
ce653cc27a94 make sure that Nitpick uses binary notation consistently if "binary_ints" is enabled
blanchet
parents: 35181
diff changeset
  2397
      | Type (_, Ts) =>
38190
b02e204b613a get rid of all "optimizations" regarding "unit" and other cardinality-1 types
blanchet
parents: 38188
diff changeset
  2398
        if member (op =) (@{typ prop} :: @{typ bool} :: accum) T then
35190
ce653cc27a94 make sure that Nitpick uses binary notation consistently if "binary_ints" is enabled
blanchet
parents: 35181
diff changeset
  2399
          accum
ce653cc27a94 make sure that Nitpick uses binary notation consistently if "binary_ints" is enabled
blanchet
parents: 35181
diff changeset
  2400
        else
ce653cc27a94 make sure that Nitpick uses binary notation consistently if "binary_ints" is enabled
blanchet
parents: 35181
diff changeset
  2401
          T :: accum
ce653cc27a94 make sure that Nitpick uses binary notation consistently if "binary_ints" is enabled
blanchet
parents: 35181
diff changeset
  2402
          |> fold aux (case binarized_and_boxed_datatype_constrs hol_ctxt
ce653cc27a94 make sure that Nitpick uses binary notation consistently if "binary_ints" is enabled
blanchet
parents: 35181
diff changeset
  2403
                                                                 binarize T of
ce653cc27a94 make sure that Nitpick uses binary notation consistently if "binary_ints" is enabled
blanchet
parents: 35181
diff changeset
  2404
                         [] => Ts
ce653cc27a94 make sure that Nitpick uses binary notation consistently if "binary_ints" is enabled
blanchet
parents: 35181
diff changeset
  2405
                       | xs => map snd xs)
ce653cc27a94 make sure that Nitpick uses binary notation consistently if "binary_ints" is enabled
blanchet
parents: 35181
diff changeset
  2406
      | _ => insert (op =) T accum
ce653cc27a94 make sure that Nitpick uses binary notation consistently if "binary_ints" is enabled
blanchet
parents: 35181
diff changeset
  2407
  in aux end
ce653cc27a94 make sure that Nitpick uses binary notation consistently if "binary_ints" is enabled
blanchet
parents: 35181
diff changeset
  2408
fun ground_types_in_type hol_ctxt binarize T =
ce653cc27a94 make sure that Nitpick uses binary notation consistently if "binary_ints" is enabled
blanchet
parents: 35181
diff changeset
  2409
  add_ground_types hol_ctxt binarize T []
ce653cc27a94 make sure that Nitpick uses binary notation consistently if "binary_ints" is enabled
blanchet
parents: 35181
diff changeset
  2410
fun ground_types_in_terms hol_ctxt binarize ts =
ce653cc27a94 make sure that Nitpick uses binary notation consistently if "binary_ints" is enabled
blanchet
parents: 35181
diff changeset
  2411
  fold (fold_types (add_ground_types hol_ctxt binarize)) ts []
33192
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  2412
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  2413
end;