src/HOL/Tools/Nitpick/nitpick_hol.ML
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Tue, 09 Feb 2010 16:07:51 +0100
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permissions -rw-r--r--
optimization to quantifiers in Nitpick's handling of simp rules + renamed some SAT solvers
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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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    binary_ints: bool option,
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    destroy_constrs: bool,
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    specialize: bool,
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    skolemize: bool,
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    star_linear_preds: bool,
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    uncurry: bool,
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    fast_descrs: bool,
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    tac_timeout: Time.time option,
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    evals: term list,
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    case_names: (string * int) list,
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    def_table: const_table,
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    nondef_table: const_table,
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    user_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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    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 ubfp_prefix : string
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  val lbfp_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 original_name : string -> string
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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 unbit_and_unbox_type : typ -> typ
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  val string_for_type : Proof.context -> typ -> string
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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 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 is_TFree : typ -> bool
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  val is_higher_order_type : 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_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_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_record_type : typ -> bool
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  val is_number_type : theory -> typ -> bool
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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 num_binder_types : 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 instantiate_type : theory -> typ -> typ -> typ -> typ
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  val is_real_datatype : theory -> string -> bool
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  val is_quot_type : theory -> typ -> bool
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  val is_codatatype : theory -> typ -> bool
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  val is_pure_typedef : theory -> typ -> bool
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  val is_univ_typedef : theory -> typ -> bool
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  val is_datatype : theory -> 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 : theory -> styp -> bool
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  val is_rep_fun : theory -> 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 : theory -> styp -> styp
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  val is_constr_like : theory -> styp -> bool
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  val is_stale_constr : theory -> styp -> bool
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  val is_constr : theory -> 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 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 boxed_nth_sel_for_constr : hol_context -> 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 eta_expand : typ list -> term -> int -> term
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  val extensionalize : term -> term
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  val distinctness_formula : typ -> term list -> term
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  val register_frac_type : string -> (string * string) list -> theory -> theory
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  val unregister_frac_type : string -> theory -> theory
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  val register_codatatype : typ -> string -> styp list -> theory -> theory
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  val unregister_codatatype : typ -> theory -> theory
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  val datatype_constrs : hol_context -> typ -> styp list
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  val boxed_datatype_constrs : hol_context -> 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 boxed_constr_for_sel : hol_context -> styp -> styp
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  val discriminate_value : hol_context -> styp -> term -> term
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  val select_nth_constr_arg : theory -> styp -> term -> int -> typ -> term
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  val construct_value : theory -> styp -> term list -> term
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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 -> int -> int -> (typ * int) list -> typ -> int
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  val is_finite_type : hol_context -> typ -> bool
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  val special_bounds : term list -> (indexname * typ) list
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  val is_funky_typedef : theory -> typ -> bool
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  val all_axioms_of : theory -> term list * term list * term list
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  val arity_of_built_in_const : bool -> styp -> int option
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  val is_built_in_const : bool -> styp -> bool
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  val term_under_def : term -> term
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  val case_const_names : theory -> (string * int) list
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  val const_def_table : Proof.context -> term list -> const_table
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  val const_nondef_table : term list -> const_table
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  val const_simp_table : Proof.context -> const_table
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  val const_psimp_table : Proof.context -> const_table
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  val inductive_intro_table : Proof.context -> const_table -> const_table
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  val ground_theorem_table : theory -> term list Inttab.table
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  val ersatz_table : theory -> (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 : theory -> styp -> term list
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  val optimized_typedef_axioms : theory -> string * typ list -> term list
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  val optimized_quot_type_axioms : theory -> string * typ list -> term list
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  val def_of_const : theory -> const_table -> styp -> term option
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  val fixpoint_kind_of_const :
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    theory -> const_table -> string * typ -> fixpoint_kind
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  val is_inductive_pred : hol_context -> styp -> bool
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  val is_equational_fun : hol_context -> styp -> bool
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  val is_constr_pattern_lhs : theory -> term -> bool
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  val is_constr_pattern_formula : theory -> term -> bool
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  val unfold_defs_in_term : hol_context -> term -> term
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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 merge_type_vars_in_terms : term list -> term list
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  val ground_types_in_type : hol_context -> typ -> typ list
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  val ground_types_in_terms : hol_context -> term list -> typ list
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  val format_type : int list -> int list -> typ -> typ
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  val format_term_type :
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    theory -> const_table -> (term option * int list) list -> term -> typ
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  val user_friendly_const :
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   hol_context -> string * string -> (term option * int list) list
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   -> styp -> term * typ
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  val assign_operator_for_const : styp -> string
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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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  binary_ints: bool option,
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  destroy_constrs: bool,
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  specialize: bool,
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  skolemize: bool,
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  star_linear_preds: bool,
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  uncurry: bool,
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  fast_descrs: bool,
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  tac_timeout: Time.time option,
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  evals: term list,
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  case_names: (string * int) list,
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  def_table: const_table,
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  nondef_table: const_table,
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  user_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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  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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structure Data = Theory_Data(
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  type T = {frac_types: (string * (string * string) list) list,
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            codatatypes: (string * (string * styp list)) list}
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  val empty = {frac_types = [], codatatypes = []}
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  val extend = I
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  fun merge ({frac_types = fs1, codatatypes = cs1},
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               {frac_types = fs2, codatatypes = cs2}) : T =
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    {frac_types = AList.merge (op =) (K true) (fs1, fs2),
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     codatatypes = AList.merge (op =) (K true) (cs1, cs2)})
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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 set_prefix = nitpick_prefix ^ "set" ^ 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 nwf_prefix = nitpick_prefix ^ "nwf" ^ 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 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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val arg_var_prefix = "x"
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(* int -> string *)
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fun sel_prefix_for j = sel_prefix ^ string_of_int j ^ name_sep
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(* string -> string * string *)
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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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(* string -> 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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val after_name_sep = snd o strip_first_name_sep
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(* term * term -> term *)
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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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(* term -> term -> term list *)
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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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(* term -> term list * term *)
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fun strip_any_connective (t as (t0 $ t1 $ t2)) =
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    if t0 = @{const "op &"} orelse t0 = @{const "op |"} 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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(* term -> term list *)
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val conjuncts_of = strip_connective @{const "op &"}
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val disjuncts_of = strip_connective @{const "op |"}
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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 "op ="}, 2),
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   (@{const_name "op &"}, 2),
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   (@{const_name "op |"}, 2),
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   (@{const_name "op -->"}, 2),
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   (@{const_name If}, 3),
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   (@{const_name Let}, 2),
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   (@{const_name Unity}, 0),
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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 Id}, 0),
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   (@{const_name insert}, 2),
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   (@{const_name converse}, 1),
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   (@{const_name trancl}, 1),
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   (@{const_name rel_comp}, 2),
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   (@{const_name image}, 2),
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   (@{const_name Suc}, 0),
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   (@{const_name finite}, 1),
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   (@{const_name nat}, 0),
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   (@{const_name zero_nat_inst.zero_nat}, 0),
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   (@{const_name one_nat_inst.one_nat}, 0),
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   (@{const_name plus_nat_inst.plus_nat}, 0),
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   (@{const_name minus_nat_inst.minus_nat}, 0),
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   (@{const_name times_nat_inst.times_nat}, 0),
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   (@{const_name div_nat_inst.div_nat}, 0),
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   (@{const_name ord_nat_inst.less_nat}, 2),
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   (@{const_name ord_nat_inst.less_eq_nat}, 2),
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   (@{const_name nat_gcd}, 0),
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   (@{const_name nat_lcm}, 0),
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   (@{const_name zero_int_inst.zero_int}, 0),
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   (@{const_name one_int_inst.one_int}, 0),
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   (@{const_name plus_int_inst.plus_int}, 0),
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   (@{const_name minus_int_inst.minus_int}, 0),
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   (@{const_name times_int_inst.times_int}, 0),
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   (@{const_name div_int_inst.div_int}, 0),
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   (@{const_name uminus_int_inst.uminus_int}, 0),
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   (@{const_name ord_int_inst.less_int}, 2),
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   (@{const_name ord_int_inst.less_eq_int}, 2),
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   (@{const_name unknown}, 0),
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   (@{const_name is_unknown}, 1),
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   (@{const_name Tha}, 1),
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   (@{const_name Frac}, 0),
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   (@{const_name norm_frac}, 0)]
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val built_in_descr_consts =
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  [(@{const_name The}, 1),
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   (@{const_name Eps}, 1)]
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val built_in_typed_consts =
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  [((@{const_name of_nat}, nat_T --> int_T), 0),
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   ((@{const_name of_nat}, @{typ "unsigned_bit word => signed_bit word"}), 0)]
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val built_in_set_consts =
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  [(@{const_name lower_semilattice_fun_inst.inf_fun}, 2),
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   (@{const_name upper_semilattice_fun_inst.sup_fun}, 2),
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   (@{const_name minus_fun_inst.minus_fun}, 2),
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   (@{const_name ord_fun_inst.less_eq_fun}, 2)]
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(* typ -> typ *)
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fun unbit_type @{typ "unsigned_bit word"} = nat_T
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  | unbit_type @{typ "signed_bit word"} = int_T
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  | unbit_type @{typ bisim_iterator} = nat_T
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  | unbit_type (Type (s, Ts as _ :: _)) = Type (s, map unbit_type Ts)
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  | unbit_type T = T
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fun unbit_and_unbox_type (Type (@{type_name fun_box}, Ts)) =
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    unbit_and_unbox_type (Type ("fun", Ts))
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  | unbit_and_unbox_type (Type (@{type_name pair_box}, Ts)) =
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    Type ("*", map unbit_and_unbox_type Ts)
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  | unbit_and_unbox_type @{typ "unsigned_bit word"} = nat_T
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  | unbit_and_unbox_type @{typ "signed_bit word"} = int_T
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  | unbit_and_unbox_type @{typ bisim_iterator} = nat_T
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  | unbit_and_unbox_type (Type (s, Ts as _ :: _)) =
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    Type (s, map unbit_and_unbox_type Ts)
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  | unbit_and_unbox_type T = T
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(* Proof.context -> typ -> string *)
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   394
fun string_for_type ctxt = Syntax.string_of_typ ctxt o unbit_and_unbox_type
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   396
(* string -> string -> string *)
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   397
val prefix_name = Long_Name.qualify o Long_Name.base_name
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   398
(* string -> string *)
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   399
fun shortest_name s = List.last (space_explode "." s) handle List.Empty => ""
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(* string -> term -> term *)
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   401
val prefix_abs_vars = Term.map_abs_vars o prefix_name
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   402
(* string -> string *)
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   403
fun short_name s =
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   404
  case space_explode name_sep s of
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   405
    [_] => s |> String.isPrefix nitpick_prefix s ? unprefix nitpick_prefix
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  | ss => map shortest_name ss |> space_implode "_"
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   407
(* typ -> typ *)
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   408
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
   409
    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
   410
  | shorten_names_in_type T = T
33192
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   411
(* term -> term *)
34121
5e831d805118 get rid of polymorphic equality in Nitpick's code + a few minor cleanups
blanchet
parents: 33978
diff changeset
   412
val shorten_names_in_term =
5e831d805118 get rid of polymorphic equality in Nitpick's code + a few minor cleanups
blanchet
parents: 33978
diff changeset
   413
  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
   414
  #> map_types shorten_names_in_type
33192
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   415
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   416
(* theory -> typ * typ -> bool *)
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   417
fun type_match thy (T1, T2) =
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   418
  (Sign.typ_match thy (T2, T1) Vartab.empty; true)
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   419
  handle Type.TYPE_MATCH => false
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   420
(* theory -> styp * styp -> bool *)
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   421
fun const_match thy ((s1, T1), (s2, T2)) =
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   422
  s1 = s2 andalso type_match thy (T1, T2)
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   423
(* theory -> term * term -> bool *)
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   424
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
   425
  | 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
   426
    const_match thy ((shortest_name s1, T1), (shortest_name s2, T2))
33192
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   427
  | term_match thy (t1, t2) = t1 aconv t2
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   428
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   429
(* typ -> bool *)
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   430
fun is_TFree (TFree _) = true
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   431
  | is_TFree _ = false
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   432
fun is_higher_order_type (Type ("fun", _)) = true
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   433
  | is_higher_order_type (Type (_, Ts)) = exists is_higher_order_type Ts
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   434
  | is_higher_order_type _ = false
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   435
fun is_fun_type (Type ("fun", _)) = true
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   436
  | is_fun_type _ = false
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   437
fun is_set_type (Type ("fun", [_, @{typ bool}])) = true
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   438
  | is_set_type _ = false
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   439
fun is_pair_type (Type ("*", _)) = true
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   440
  | is_pair_type _ = false
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   441
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
   442
  | is_lfp_iterator_type _ = false
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   443
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
   444
  | is_gfp_iterator_type _ = false
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   445
val is_fp_iterator_type = is_lfp_iterator_type orf is_gfp_iterator_type
34121
5e831d805118 get rid of polymorphic equality in Nitpick's code + a few minor cleanups
blanchet
parents: 33978
diff changeset
   446
fun is_boolean_type T = (T = prop_T orelse T = bool_T)
33192
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   447
val is_integer_type =
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   448
  member (op =) [nat_T, int_T, @{typ bisim_iterator}] orf is_fp_iterator_type
34124
c4628a1dcf75 added support for binary nat/int representation to Nitpick
blanchet
parents: 34123
diff changeset
   449
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
   450
fun is_word_type (Type (@{type_name word}, _)) = true
c4628a1dcf75 added support for binary nat/int representation to Nitpick
blanchet
parents: 34123
diff changeset
   451
  | is_word_type _ = false
33192
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   452
val is_record_type = not o null o Record.dest_recTs
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   453
(* theory -> typ -> bool *)
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   454
fun is_frac_type thy (Type (s, [])) =
33583
b5e0909cd5ea merged, and renamed local "TheoryData" to "Data" (following common Isabelle conventions)
blanchet
parents: 33522 33581
diff changeset
   455
    not (null (these (AList.lookup (op =) (#frac_types (Data.get thy)) s)))
33192
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   456
  | is_frac_type _ _ = false
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   457
fun is_number_type thy = is_integer_type orf is_frac_type thy
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   458
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   459
(* bool -> styp -> typ *)
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   460
fun iterator_type_for_const gfp (s, T) =
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   461
  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
   462
        binder_types T)
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   463
(* typ -> styp *)
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   464
fun const_for_iterator_type (Type (s, Ts)) = (after_name_sep s, Ts ---> bool_T)
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   465
  | const_for_iterator_type T =
33232
f93390060bbe internal renaming in Nitpick and fixed Kodkodi invokation on Linux;
blanchet
parents: 33202
diff changeset
   466
    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
   467
35070
96136eb6218f split "nitpick_hol.ML" into two files to make it more manageable;
blanchet
parents: 34998
diff changeset
   468
(* int -> typ -> typ list * typ *)
33192
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   469
fun strip_n_binders 0 T = ([], T)
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   470
  | strip_n_binders n (Type ("fun", [T1, T2])) =
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   471
    strip_n_binders (n - 1) T2 |>> cons T1
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   472
  | strip_n_binders n (Type (@{type_name fun_box}, Ts)) =
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   473
    strip_n_binders n (Type ("fun", Ts))
33232
f93390060bbe internal renaming in Nitpick and fixed Kodkodi invokation on Linux;
blanchet
parents: 33202
diff changeset
   474
  | 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
   475
(* typ -> typ *)
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   476
val nth_range_type = snd oo strip_n_binders
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   477
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   478
(* typ -> int *)
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   479
fun num_factors_in_type (Type ("*", [T1, T2])) =
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   480
    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
   481
  | num_factors_in_type _ = 1
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   482
fun num_binder_types (Type ("fun", [_, T2])) = 1 + num_binder_types T2
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   483
  | num_binder_types _ = 0
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   484
(* typ -> typ list *)
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   485
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
   486
fun maybe_curried_binder_types T =
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   487
  (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
   488
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   489
(* typ -> term list -> term *)
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   490
fun mk_flat_tuple _ [t] = t
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   491
  | mk_flat_tuple (Type ("*", [T1, T2])) (t :: ts) =
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   492
    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
   493
  | 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
   494
(* int -> term -> term list *)
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   495
fun dest_n_tuple 1 t = [t]
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   496
  | 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
   497
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   498
(* int -> typ -> typ list *)
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   499
fun dest_n_tuple_type 1 T = [T]
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   500
  | dest_n_tuple_type n (Type (_, [T1, T2])) =
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   501
    T1 :: dest_n_tuple_type (n - 1) T2
33232
f93390060bbe internal renaming in Nitpick and fixed Kodkodi invokation on Linux;
blanchet
parents: 33202
diff changeset
   502
  | dest_n_tuple_type _ T =
f93390060bbe internal renaming in Nitpick and fixed Kodkodi invokation on Linux;
blanchet
parents: 33202
diff changeset
   503
    raise TYPE ("Nitpick_HOL.dest_n_tuple_type", [T], [])
33192
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   504
34121
5e831d805118 get rid of polymorphic equality in Nitpick's code + a few minor cleanups
blanchet
parents: 33978
diff changeset
   505
(* FIXME: Use antiquotation for "code_numeral" below or detect "rep_datatype",
5e831d805118 get rid of polymorphic equality in Nitpick's code + a few minor cleanups
blanchet
parents: 33978
diff changeset
   506
   e.g., by adding a field to "Datatype_Aux.info". *)
5e831d805118 get rid of polymorphic equality in Nitpick's code + a few minor cleanups
blanchet
parents: 33978
diff changeset
   507
(* string -> bool *)
5e831d805118 get rid of polymorphic equality in Nitpick's code + a few minor cleanups
blanchet
parents: 33978
diff changeset
   508
val is_basic_datatype =
5e831d805118 get rid of polymorphic equality in Nitpick's code + a few minor cleanups
blanchet
parents: 33978
diff changeset
   509
    member (op =) [@{type_name "*"}, @{type_name bool}, @{type_name unit},
5e831d805118 get rid of polymorphic equality in Nitpick's code + a few minor cleanups
blanchet
parents: 33978
diff changeset
   510
                   @{type_name nat}, @{type_name int},
5e831d805118 get rid of polymorphic equality in Nitpick's code + a few minor cleanups
blanchet
parents: 33978
diff changeset
   511
                   "Code_Numeral.code_numeral"]
5e831d805118 get rid of polymorphic equality in Nitpick's code + a few minor cleanups
blanchet
parents: 33978
diff changeset
   512
33192
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   513
(* theory -> typ -> typ -> typ -> typ *)
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   514
fun instantiate_type thy T1 T1' T2 =
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   515
  Same.commit (Envir.subst_type_same
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   516
                   (Sign.typ_match thy (Logic.varifyT T1, T1') Vartab.empty))
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   517
              (Logic.varifyT T2)
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   518
  handle Type.TYPE_MATCH =>
33232
f93390060bbe internal renaming in Nitpick and fixed Kodkodi invokation on Linux;
blanchet
parents: 33202
diff changeset
   519
         raise TYPE ("Nitpick_HOL.instantiate_type", [T1, T1'], [])
33192
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   520
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   521
(* theory -> typ -> typ -> styp *)
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   522
fun repair_constr_type thy body_T' T =
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   523
  instantiate_type thy (body_type T) body_T' T
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   524
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   525
(* string -> (string * string) list -> theory -> theory *)
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   526
fun register_frac_type frac_s ersaetze thy =
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   527
  let
33583
b5e0909cd5ea merged, and renamed local "TheoryData" to "Data" (following common Isabelle conventions)
blanchet
parents: 33522 33581
diff changeset
   528
    val {frac_types, codatatypes} = Data.get thy
33192
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   529
    val frac_types = AList.update (op =) (frac_s, ersaetze) frac_types
33583
b5e0909cd5ea merged, and renamed local "TheoryData" to "Data" (following common Isabelle conventions)
blanchet
parents: 33522 33581
diff changeset
   530
  in Data.put {frac_types = frac_types, codatatypes = codatatypes} thy end
33192
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   531
(* string -> theory -> theory *)
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   532
fun unregister_frac_type frac_s = register_frac_type frac_s []
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   533
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   534
(* typ -> string -> styp list -> theory -> theory *)
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   535
fun register_codatatype co_T case_name constr_xs thy =
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   536
  let
33583
b5e0909cd5ea merged, and renamed local "TheoryData" to "Data" (following common Isabelle conventions)
blanchet
parents: 33522 33581
diff changeset
   537
    val {frac_types, codatatypes} = Data.get thy
33192
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   538
    val constr_xs = map (apsnd (repair_constr_type thy co_T)) constr_xs
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   539
    val (co_s, co_Ts) = dest_Type co_T
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   540
    val _ =
34936
c4f04bee79f3 some work on Nitpick's support for quotient types;
blanchet
parents: 34126
diff changeset
   541
      if forall is_TFree co_Ts andalso not (has_duplicates (op =) co_Ts) andalso
c4f04bee79f3 some work on Nitpick's support for quotient types;
blanchet
parents: 34126
diff changeset
   542
         co_s <> "fun" andalso not (is_basic_datatype co_s) then
34121
5e831d805118 get rid of polymorphic equality in Nitpick's code + a few minor cleanups
blanchet
parents: 33978
diff changeset
   543
        ()
5e831d805118 get rid of polymorphic equality in Nitpick's code + a few minor cleanups
blanchet
parents: 33978
diff changeset
   544
      else
5e831d805118 get rid of polymorphic equality in Nitpick's code + a few minor cleanups
blanchet
parents: 33978
diff changeset
   545
        raise TYPE ("Nitpick_HOL.register_codatatype", [co_T], [])
33192
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   546
    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
   547
                                   codatatypes
33583
b5e0909cd5ea merged, and renamed local "TheoryData" to "Data" (following common Isabelle conventions)
blanchet
parents: 33522 33581
diff changeset
   548
  in Data.put {frac_types = frac_types, codatatypes = codatatypes} thy end
33192
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   549
(* typ -> theory -> theory *)
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   550
fun unregister_codatatype co_T = register_codatatype co_T "" []
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   551
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   552
type typedef_info =
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   553
  {rep_type: typ, abs_type: typ, Rep_name: string, Abs_name: string,
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   554
   set_def: thm option, prop_of_Rep: thm, set_name: string,
33876
62bcf6a52493 fixed soundness bug in Nitpick's handling of typedefs
blanchet
parents: 33864
diff changeset
   555
   Abs_inverse: thm option, Rep_inverse: thm option}
33192
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   556
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   557
(* theory -> string -> typedef_info *)
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   558
fun typedef_info thy s =
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   559
  if is_frac_type thy (Type (s, [])) then
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   560
    SOME {abs_type = Type (s, []), rep_type = @{typ "int * int"},
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   561
          Abs_name = @{const_name Abs_Frac}, Rep_name = @{const_name Rep_Frac},
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   562
          set_def = NONE, prop_of_Rep = @{prop "Rep_Frac x \<in> Frac"}
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   563
                          |> Logic.varify,
33876
62bcf6a52493 fixed soundness bug in Nitpick's handling of typedefs
blanchet
parents: 33864
diff changeset
   564
          set_name = @{const_name Frac}, Abs_inverse = NONE, Rep_inverse = NONE}
33192
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   565
  else case Typedef.get_info thy s of
33876
62bcf6a52493 fixed soundness bug in Nitpick's handling of typedefs
blanchet
parents: 33864
diff changeset
   566
    SOME {abs_type, rep_type, Abs_name, Rep_name, set_def, Rep, Abs_inverse,
62bcf6a52493 fixed soundness bug in Nitpick's handling of typedefs
blanchet
parents: 33864
diff changeset
   567
          Rep_inverse, ...} =>
33192
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   568
    SOME {abs_type = abs_type, rep_type = rep_type, Abs_name = Abs_name,
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   569
          Rep_name = Rep_name, set_def = set_def, prop_of_Rep = prop_of Rep,
33876
62bcf6a52493 fixed soundness bug in Nitpick's handling of typedefs
blanchet
parents: 33864
diff changeset
   570
          set_name = set_prefix ^ s, Abs_inverse = SOME Abs_inverse,
62bcf6a52493 fixed soundness bug in Nitpick's handling of typedefs
blanchet
parents: 33864
diff changeset
   571
          Rep_inverse = SOME Rep_inverse}
33192
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   572
  | NONE => NONE
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   573
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   574
(* theory -> string -> bool *)
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   575
val is_typedef = is_some oo typedef_info
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   576
val is_real_datatype = is_some oo Datatype.get_info
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   577
(* theory -> typ -> bool *)
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
   578
fun is_quot_type _ (Type ("IntEx.my_int", _)) = true (* FIXME *)
35070
96136eb6218f split "nitpick_hol.ML" into two files to make it more manageable;
blanchet
parents: 34998
diff changeset
   579
  | is_quot_type _ (Type ("FSet.fset", _)) = true
34936
c4f04bee79f3 some work on Nitpick's support for quotient types;
blanchet
parents: 34126
diff changeset
   580
  | is_quot_type _ _ = false
33192
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   581
fun is_codatatype thy (T as Type (s, _)) =
33583
b5e0909cd5ea merged, and renamed local "TheoryData" to "Data" (following common Isabelle conventions)
blanchet
parents: 33522 33581
diff changeset
   582
    not (null (AList.lookup (op =) (#codatatypes (Data.get thy)) s
33192
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   583
               |> Option.map snd |> these))
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   584
  | is_codatatype _ _ = false
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   585
fun is_pure_typedef thy (T as Type (s, _)) =
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   586
    is_typedef thy s andalso
34936
c4f04bee79f3 some work on Nitpick's support for quotient types;
blanchet
parents: 34126
diff changeset
   587
    not (is_real_datatype thy s orelse is_quot_type thy T orelse
c4f04bee79f3 some work on Nitpick's support for quotient types;
blanchet
parents: 34126
diff changeset
   588
         is_codatatype thy T orelse is_record_type T orelse is_integer_type T)
33192
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   589
  | is_pure_typedef _ _ = false
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   590
fun is_univ_typedef thy (Type (s, _)) =
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   591
    (case typedef_info thy s of
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   592
       SOME {set_def, prop_of_Rep, ...} =>
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   593
       (case set_def of
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   594
          SOME thm =>
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   595
          try (fst o dest_Const o snd o Logic.dest_equals o prop_of) thm
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   596
        | NONE =>
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   597
          try (fst o dest_Const o snd o HOLogic.dest_mem
33864
232daf7eafaf fix Nitpick soundness bugs related to integration (in particular, "code_numeral")
blanchet
parents: 33851
diff changeset
   598
               o HOLogic.dest_Trueprop) prop_of_Rep) = SOME @{const_name top}
33192
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   599
     | NONE => false)
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   600
  | is_univ_typedef _ _ = false
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   601
fun is_datatype thy (T as Type (s, _)) =
34936
c4f04bee79f3 some work on Nitpick's support for quotient types;
blanchet
parents: 34126
diff changeset
   602
    (is_typedef thy s orelse is_codatatype thy T orelse T = @{typ ind} orelse
c4f04bee79f3 some work on Nitpick's support for quotient types;
blanchet
parents: 34126
diff changeset
   603
     is_quot_type thy T) andalso
c4f04bee79f3 some work on Nitpick's support for quotient types;
blanchet
parents: 34126
diff changeset
   604
    not (is_basic_datatype s)
33192
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   605
  | is_datatype _ _ = false
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   606
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   607
(* theory -> typ -> (string * typ) list * (string * typ) *)
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   608
fun all_record_fields thy T =
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   609
  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
   610
    recs @ more :: all_record_fields thy (snd more)
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   611
  end
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   612
  handle TYPE _ => []
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   613
(* styp -> bool *)
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   614
fun is_record_constr (x as (s, T)) =
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   615
  String.isSuffix Record.extN s andalso
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   616
  let val dataT = body_type T in
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   617
    is_record_type dataT andalso
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   618
    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
   619
  end
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   620
(* theory -> typ -> int *)
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   621
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
   622
(* theory -> string -> typ -> int *)
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   623
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
   624
  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
   625
             (Record.get_extT_fields thy T1 ||> single |> op @)
33192
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   626
(* theory -> styp -> bool *)
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   627
fun is_record_get thy (s, Type ("fun", [T1, _])) =
34121
5e831d805118 get rid of polymorphic equality in Nitpick's code + a few minor cleanups
blanchet
parents: 33978
diff changeset
   628
    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
   629
  | is_record_get _ _ = false
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   630
fun is_record_update thy (s, T) =
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   631
  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
   632
  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
   633
         (all_record_fields thy (body_type T))
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   634
  handle TYPE _ => false
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   635
fun is_abs_fun thy (s, Type ("fun", [_, Type (s', _)])) =
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   636
    (case typedef_info thy s' of
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   637
       SOME {Abs_name, ...} => s = Abs_name
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   638
     | NONE => false)
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   639
  | is_abs_fun _ _ = false
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   640
fun is_rep_fun thy (s, Type ("fun", [Type (s', _), _])) =
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   641
    (case typedef_info thy s' of
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   642
       SOME {Rep_name, ...} => s = Rep_name
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   643
     | NONE => false)
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   644
  | is_rep_fun _ _ = false
34936
c4f04bee79f3 some work on Nitpick's support for quotient types;
blanchet
parents: 34126
diff changeset
   645
(* Proof.context -> styp -> bool *)
35070
96136eb6218f split "nitpick_hol.ML" into two files to make it more manageable;
blanchet
parents: 34998
diff changeset
   646
fun is_quot_abs_fun _ ("IntEx.abs_my_int", _) = true
96136eb6218f split "nitpick_hol.ML" into two files to make it more manageable;
blanchet
parents: 34998
diff changeset
   647
  | is_quot_abs_fun _ ("FSet.abs_fset", _) = true
34936
c4f04bee79f3 some work on Nitpick's support for quotient types;
blanchet
parents: 34126
diff changeset
   648
  | is_quot_abs_fun _ _ = false
35070
96136eb6218f split "nitpick_hol.ML" into two files to make it more manageable;
blanchet
parents: 34998
diff changeset
   649
fun is_quot_rep_fun _ ("IntEx.rep_my_int", _) = true
96136eb6218f split "nitpick_hol.ML" into two files to make it more manageable;
blanchet
parents: 34998
diff changeset
   650
  | is_quot_rep_fun _ ("FSet.rep_fset", _) = true
34936
c4f04bee79f3 some work on Nitpick's support for quotient types;
blanchet
parents: 34126
diff changeset
   651
  | is_quot_rep_fun _ _ = false
33192
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   652
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   653
(* theory -> styp -> styp *)
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   654
fun mate_of_rep_fun thy (x as (_, Type ("fun", [T1 as Type (s', _), T2]))) =
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   655
    (case typedef_info thy s' of
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   656
       SOME {Abs_name, ...} => (Abs_name, Type ("fun", [T2, T1]))
33232
f93390060bbe internal renaming in Nitpick and fixed Kodkodi invokation on Linux;
blanchet
parents: 33202
diff changeset
   657
     | 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
   658
  | mate_of_rep_fun _ x = raise TERM ("Nitpick_HOL.mate_of_rep_fun", [Const x])
34936
c4f04bee79f3 some work on Nitpick's support for quotient types;
blanchet
parents: 34126
diff changeset
   659
(* theory -> typ -> typ *)
c4f04bee79f3 some work on Nitpick's support for quotient types;
blanchet
parents: 34126
diff changeset
   660
fun rep_type_for_quot_type _ (Type ("IntEx.my_int", [])) = @{typ "nat * nat"}
34998
5e492a862b34 four changes to Nitpick:
blanchet
parents: 34982
diff changeset
   661
  | rep_type_for_quot_type _ (Type ("FSet.fset", [T])) =
5e492a862b34 four changes to Nitpick:
blanchet
parents: 34982
diff changeset
   662
    Type (@{type_name list}, [T])
34936
c4f04bee79f3 some work on Nitpick's support for quotient types;
blanchet
parents: 34126
diff changeset
   663
  | rep_type_for_quot_type _ T =
c4f04bee79f3 some work on Nitpick's support for quotient types;
blanchet
parents: 34126
diff changeset
   664
    raise TYPE ("Nitpick_HOL.rep_type_for_quot_type", [T], [])
c4f04bee79f3 some work on Nitpick's support for quotient types;
blanchet
parents: 34126
diff changeset
   665
(* theory -> typ -> term *)
c4f04bee79f3 some work on Nitpick's support for quotient types;
blanchet
parents: 34126
diff changeset
   666
fun equiv_relation_for_quot_type _ (Type ("IntEx.my_int", [])) =
c4f04bee79f3 some work on Nitpick's support for quotient types;
blanchet
parents: 34126
diff changeset
   667
    Const ("IntEx.intrel", @{typ "(nat * nat) => (nat * nat) => bool"})
34998
5e492a862b34 four changes to Nitpick:
blanchet
parents: 34982
diff changeset
   668
  | equiv_relation_for_quot_type _ (Type ("FSet.fset", [T])) =
5e492a862b34 four changes to Nitpick:
blanchet
parents: 34982
diff changeset
   669
    Const ("FSet.list_eq",
5e492a862b34 four changes to Nitpick:
blanchet
parents: 34982
diff changeset
   670
           Type (@{type_name list}, [T]) --> Type (@{type_name list}, [T])
5e492a862b34 four changes to Nitpick:
blanchet
parents: 34982
diff changeset
   671
           --> bool_T)
34936
c4f04bee79f3 some work on Nitpick's support for quotient types;
blanchet
parents: 34126
diff changeset
   672
  | equiv_relation_for_quot_type _ T =
c4f04bee79f3 some work on Nitpick's support for quotient types;
blanchet
parents: 34126
diff changeset
   673
    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
   674
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   675
(* theory -> styp -> bool *)
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   676
fun is_coconstr thy (s, T) =
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   677
  let
33583
b5e0909cd5ea merged, and renamed local "TheoryData" to "Data" (following common Isabelle conventions)
blanchet
parents: 33522 33581
diff changeset
   678
    val {codatatypes, ...} = Data.get thy
33192
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   679
    val co_T = body_type T
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   680
    val co_s = dest_Type co_T |> fst
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   681
  in
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   682
    exists (fn (s', T') => s = s' andalso repair_constr_type thy co_T T' = T)
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   683
           (AList.lookup (op =) codatatypes co_s |> Option.map snd |> these)
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   684
  end
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   685
  handle TYPE ("dest_Type", _, _) => false
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   686
fun is_constr_like thy (s, 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
   687
  member (op =) [@{const_name FunBox}, @{const_name PairBox},
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
   688
                 @{const_name Quot}, @{const_name Zero_Rep},
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
   689
                 @{const_name Suc_Rep}] s orelse
34124
c4628a1dcf75 added support for binary nat/int representation to Nitpick
blanchet
parents: 34123
diff changeset
   690
  let val (x as (s, T)) = (s, unbit_and_unbox_type T) in
34936
c4f04bee79f3 some work on Nitpick's support for quotient types;
blanchet
parents: 34126
diff changeset
   691
    Refute.is_IDT_constructor thy x orelse is_record_constr x orelse
c4f04bee79f3 some work on Nitpick's support for quotient types;
blanchet
parents: 34126
diff changeset
   692
    (is_abs_fun thy x andalso is_pure_typedef thy (range_type T)) orelse
c4f04bee79f3 some work on Nitpick's support for quotient types;
blanchet
parents: 34126
diff changeset
   693
    x = (@{const_name zero_nat_inst.zero_nat}, nat_T) orelse
c4f04bee79f3 some work on Nitpick's support for quotient types;
blanchet
parents: 34126
diff changeset
   694
    is_coconstr thy x
33192
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   695
  end
33581
e1e77265fb1d added possibility to register datatypes as codatatypes in Nitpick;
blanchet
parents: 33580
diff changeset
   696
fun is_stale_constr thy (x as (_, T)) =
34936
c4f04bee79f3 some work on Nitpick's support for quotient types;
blanchet
parents: 34126
diff changeset
   697
  is_codatatype thy (body_type T) andalso is_constr_like thy x andalso
c4f04bee79f3 some work on Nitpick's support for quotient types;
blanchet
parents: 34126
diff changeset
   698
  not (is_coconstr thy x)
33192
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   699
fun is_constr thy (x as (_, T)) =
34936
c4f04bee79f3 some work on Nitpick's support for quotient types;
blanchet
parents: 34126
diff changeset
   700
  is_constr_like thy x andalso
c4f04bee79f3 some work on Nitpick's support for quotient types;
blanchet
parents: 34126
diff changeset
   701
  not (is_basic_datatype (fst (dest_Type (unbit_type (body_type T))))) andalso
c4f04bee79f3 some work on Nitpick's support for quotient types;
blanchet
parents: 34126
diff changeset
   702
  not (is_stale_constr thy x)
33192
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   703
(* string -> bool *)
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   704
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
   705
val is_sel_like_and_no_discr =
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   706
  String.isPrefix sel_prefix
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   707
  orf (member (op =) [@{const_name fst}, @{const_name snd}])
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   708
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   709
(* boxability -> boxability *)
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   710
fun in_fun_lhs_for InConstr = InSel
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   711
  | in_fun_lhs_for _ = InFunLHS
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   712
fun in_fun_rhs_for InConstr = InConstr
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   713
  | in_fun_rhs_for InSel = InSel
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   714
  | in_fun_rhs_for InFunRHS1 = InFunRHS2
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   715
  | in_fun_rhs_for _ = InFunRHS1
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   716
35070
96136eb6218f split "nitpick_hol.ML" into two files to make it more manageable;
blanchet
parents: 34998
diff changeset
   717
(* hol_context -> boxability -> typ -> bool *)
96136eb6218f split "nitpick_hol.ML" into two files to make it more manageable;
blanchet
parents: 34998
diff changeset
   718
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
   719
  case T of
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   720
    Type ("fun", _) =>
34936
c4f04bee79f3 some work on Nitpick's support for quotient types;
blanchet
parents: 34126
diff changeset
   721
    (boxy = InPair orelse boxy = InFunLHS) andalso
c4f04bee79f3 some work on Nitpick's support for quotient types;
blanchet
parents: 34126
diff changeset
   722
    not (is_boolean_type (body_type T))
33192
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   723
  | Type ("*", Ts) =>
34936
c4f04bee79f3 some work on Nitpick's support for quotient types;
blanchet
parents: 34126
diff changeset
   724
    boxy = InPair orelse boxy = InFunRHS1 orelse boxy = InFunRHS2 orelse
c4f04bee79f3 some work on Nitpick's support for quotient types;
blanchet
parents: 34126
diff changeset
   725
    ((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
   726
     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
   727
            (map (box_type hol_ctxt InPair) Ts))
33192
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   728
  | _ => false
35070
96136eb6218f split "nitpick_hol.ML" into two files to make it more manageable;
blanchet
parents: 34998
diff changeset
   729
(* hol_context -> boxability -> string * typ list -> string *)
96136eb6218f split "nitpick_hol.ML" into two files to make it more manageable;
blanchet
parents: 34998
diff changeset
   730
and should_box_type (hol_ctxt as {thy, boxes, ...}) boxy (z as (s, Ts)) =
33192
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   731
  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
   732
    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
   733
  | _ => 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
   734
(* hol_context -> boxability -> typ -> typ *)
96136eb6218f split "nitpick_hol.ML" into two files to make it more manageable;
blanchet
parents: 34998
diff changeset
   735
and box_type hol_ctxt boxy T =
33192
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   736
  case T of
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   737
    Type (z as ("fun", [T1, T2])) =>
34936
c4f04bee79f3 some work on Nitpick's support for quotient types;
blanchet
parents: 34126
diff changeset
   738
    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
   739
       should_box_type hol_ctxt boxy z then
33192
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   740
      Type (@{type_name fun_box},
35070
96136eb6218f split "nitpick_hol.ML" into two files to make it more manageable;
blanchet
parents: 34998
diff changeset
   741
            [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
   742
    else
35070
96136eb6218f split "nitpick_hol.ML" into two files to make it more manageable;
blanchet
parents: 34998
diff changeset
   743
      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
   744
      --> box_type hol_ctxt (in_fun_rhs_for boxy) T2
33192
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   745
  | Type (z as ("*", 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
   746
    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
   747
       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
   748
      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
   749
    else
35070
96136eb6218f split "nitpick_hol.ML" into two files to make it more manageable;
blanchet
parents: 34998
diff changeset
   750
      Type ("*", 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
   751
                          (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
   752
                           else InPair)) Ts)
33192
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   753
  | _ => T
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   754
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   755
(* styp -> styp *)
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   756
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
   757
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   758
(* typ -> int *)
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   759
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
   760
(* string -> int -> string *)
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   761
fun nth_sel_name_for_constr_name s n =
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   762
  if s = @{const_name Pair} then
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   763
    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
   764
  else
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   765
    sel_prefix_for n ^ s
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   766
(* styp -> int -> styp *)
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   767
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
   768
  | nth_sel_for_constr (s, T) n =
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   769
    (nth_sel_name_for_constr_name s n,
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   770
     body_type T --> nth (maybe_curried_binder_types T) n)
35070
96136eb6218f split "nitpick_hol.ML" into two files to make it more manageable;
blanchet
parents: 34998
diff changeset
   771
(* hol_context -> styp -> int -> styp *)
96136eb6218f split "nitpick_hol.ML" into two files to make it more manageable;
blanchet
parents: 34998
diff changeset
   772
fun boxed_nth_sel_for_constr hol_ctxt =
96136eb6218f split "nitpick_hol.ML" into two files to make it more manageable;
blanchet
parents: 34998
diff changeset
   773
  apsnd (box_type hol_ctxt InSel) oo nth_sel_for_constr
33192
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   774
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   775
(* string -> int *)
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   776
fun sel_no_from_name s =
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   777
  if String.isPrefix discr_prefix s then
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   778
    ~1
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   779
  else if String.isPrefix sel_prefix s then
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   780
    s |> unprefix sel_prefix |> Int.fromString |> the
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   781
  else if s = @{const_name snd} then
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   782
    1
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   783
  else
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   784
    0
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   785
35078
6fd1052fe463 optimization to quantifiers in Nitpick's handling of simp rules + renamed some SAT solvers
blanchet
parents: 35075
diff changeset
   786
(* term -> term *)
6fd1052fe463 optimization to quantifiers in Nitpick's handling of simp rules + renamed some SAT solvers
blanchet
parents: 35075
diff changeset
   787
val close_form =
6fd1052fe463 optimization to quantifiers in Nitpick's handling of simp rules + renamed some SAT solvers
blanchet
parents: 35075
diff changeset
   788
  let
6fd1052fe463 optimization to quantifiers in Nitpick's handling of simp rules + renamed some SAT solvers
blanchet
parents: 35075
diff changeset
   789
    (* (indexname * typ) list -> (indexname * typ) list -> term -> term *)
6fd1052fe463 optimization to quantifiers in Nitpick's handling of simp rules + renamed some SAT solvers
blanchet
parents: 35075
diff changeset
   790
    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
   791
      fold (fn (z as ((s, _), T)) => fn t' =>
6fd1052fe463 optimization to quantifiers in Nitpick's handling of simp rules + renamed some SAT solvers
blanchet
parents: 35075
diff changeset
   792
               Term.all T $ Abs (s, T, abstract_over (Var z, t')))
6fd1052fe463 optimization to quantifiers in Nitpick's handling of simp rules + renamed some SAT solvers
blanchet
parents: 35075
diff changeset
   793
           (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
   794
    (* (indexname * typ) list -> term -> term *)
6fd1052fe463 optimization to quantifiers in Nitpick's handling of simp rules + renamed some SAT solvers
blanchet
parents: 35075
diff changeset
   795
    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
   796
        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
   797
          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
   798
        end
6fd1052fe463 optimization to quantifiers in Nitpick's handling of simp rules + renamed some SAT solvers
blanchet
parents: 35075
diff changeset
   799
      | 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
   800
  in aux [] end
6fd1052fe463 optimization to quantifiers in Nitpick's handling of simp rules + renamed some SAT solvers
blanchet
parents: 35075
diff changeset
   801
33192
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   802
(* typ list -> term -> int -> term *)
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   803
fun eta_expand _ t 0 = t
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   804
  | eta_expand Ts (Abs (s, T, t')) n =
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   805
    Abs (s, T, eta_expand (T :: Ts) t' (n - 1))
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   806
  | eta_expand Ts t n =
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   807
    fold_rev (curry3 Abs ("x\<^isub>\<eta>" ^ nat_subscript n))
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   808
             (List.take (binder_types (fastype_of1 (Ts, t)), n))
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   809
             (list_comb (incr_boundvars n t, map Bound (n - 1 downto 0)))
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   810
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   811
(* term -> term *)
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   812
fun extensionalize t =
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   813
  case t of
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   814
    (t0 as @{const Trueprop}) $ t1 => t0 $ extensionalize t1
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   815
  | Const (@{const_name "op ="}, _) $ t1 $ Abs (s, T, t2) =>
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   816
    let val v = Var ((s, maxidx_of_term t + 1), T) in
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   817
      extensionalize (HOLogic.mk_eq (t1 $ v, subst_bound (v, t2)))
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   818
    end
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   819
  | _ => t
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   820
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   821
(* typ -> term list -> term *)
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   822
fun distinctness_formula T =
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   823
  all_distinct_unordered_pairs_of
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   824
  #> 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
   825
  #> List.foldr (s_conj o swap) @{const True}
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   826
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   827
(* typ -> term *)
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   828
fun zero_const T = Const (@{const_name zero_nat_inst.zero_nat}, T)
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   829
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
   830
35070
96136eb6218f split "nitpick_hol.ML" into two files to make it more manageable;
blanchet
parents: 34998
diff changeset
   831
(* hol_context -> typ -> styp list *)
96136eb6218f split "nitpick_hol.ML" into two files to make it more manageable;
blanchet
parents: 34998
diff changeset
   832
fun uncached_datatype_constrs ({thy, stds, ...} : hol_context)
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
   833
                              (T as Type (s, Ts)) =
33583
b5e0909cd5ea merged, and renamed local "TheoryData" to "Data" (following common Isabelle conventions)
blanchet
parents: 33522 33581
diff changeset
   834
    (case AList.lookup (op =) (#codatatypes (Data.get thy)) s of
34982
7b8c366e34a2 added support for nonstandard models to Nitpick (based on an idea by Koen Claessen) and did other fixes to Nitpick
blanchet
parents: 34936
diff changeset
   835
       SOME (_, xs' as (_ :: _)) => map (apsnd (repair_constr_type thy T)) xs'
33581
e1e77265fb1d added possibility to register datatypes as codatatypes in Nitpick;
blanchet
parents: 33580
diff changeset
   836
     | _ =>
e1e77265fb1d added possibility to register datatypes as codatatypes in Nitpick;
blanchet
parents: 33580
diff changeset
   837
       if is_datatype thy T then
e1e77265fb1d added possibility to register datatypes as codatatypes in Nitpick;
blanchet
parents: 33580
diff changeset
   838
         case Datatype.get_info thy s of
e1e77265fb1d added possibility to register datatypes as codatatypes in Nitpick;
blanchet
parents: 33580
diff changeset
   839
           SOME {index, descr, ...} =>
e1e77265fb1d added possibility to register datatypes as codatatypes in Nitpick;
blanchet
parents: 33580
diff changeset
   840
           let
e1e77265fb1d added possibility to register datatypes as codatatypes in Nitpick;
blanchet
parents: 33580
diff changeset
   841
             val (_, dtyps, constrs) = AList.lookup (op =) descr index |> the
e1e77265fb1d added possibility to register datatypes as codatatypes in Nitpick;
blanchet
parents: 33580
diff changeset
   842
           in
e1e77265fb1d added possibility to register datatypes as codatatypes in Nitpick;
blanchet
parents: 33580
diff changeset
   843
             map (fn (s', Us) =>
e1e77265fb1d added possibility to register datatypes as codatatypes in Nitpick;
blanchet
parents: 33580
diff changeset
   844
                     (s', map (Refute.typ_of_dtyp descr (dtyps ~~ Ts)) Us
e1e77265fb1d added possibility to register datatypes as codatatypes in Nitpick;
blanchet
parents: 33580
diff changeset
   845
                          ---> T)) constrs
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
   846
             |> (triple_lookup (type_match thy) stds T |> the |> not) ?
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
   847
                cons (@{const_name NonStd}, @{typ \<xi>} --> T)
33581
e1e77265fb1d added possibility to register datatypes as codatatypes in Nitpick;
blanchet
parents: 33580
diff changeset
   848
           end
e1e77265fb1d added possibility to register datatypes as codatatypes in Nitpick;
blanchet
parents: 33580
diff changeset
   849
         | NONE =>
e1e77265fb1d added possibility to register datatypes as codatatypes in Nitpick;
blanchet
parents: 33580
diff changeset
   850
           if is_record_type T then
e1e77265fb1d added possibility to register datatypes as codatatypes in Nitpick;
blanchet
parents: 33580
diff changeset
   851
             let
e1e77265fb1d added possibility to register datatypes as codatatypes in Nitpick;
blanchet
parents: 33580
diff changeset
   852
               val s' = unsuffix Record.ext_typeN s ^ Record.extN
e1e77265fb1d added possibility to register datatypes as codatatypes in Nitpick;
blanchet
parents: 33580
diff changeset
   853
               val T' = (Record.get_extT_fields thy T
e1e77265fb1d added possibility to register datatypes as codatatypes in Nitpick;
blanchet
parents: 33580
diff changeset
   854
                        |> apsnd single |> uncurry append |> map snd) ---> T
e1e77265fb1d added possibility to register datatypes as codatatypes in Nitpick;
blanchet
parents: 33580
diff changeset
   855
             in [(s', T')] end
34936
c4f04bee79f3 some work on Nitpick's support for quotient types;
blanchet
parents: 34126
diff changeset
   856
           else if is_quot_type thy T then
c4f04bee79f3 some work on Nitpick's support for quotient types;
blanchet
parents: 34126
diff changeset
   857
             [(@{const_name Quot}, rep_type_for_quot_type thy T --> T)]
33581
e1e77265fb1d added possibility to register datatypes as codatatypes in Nitpick;
blanchet
parents: 33580
diff changeset
   858
           else case typedef_info thy s of
e1e77265fb1d added possibility to register datatypes as codatatypes in Nitpick;
blanchet
parents: 33580
diff changeset
   859
             SOME {abs_type, rep_type, Abs_name, ...} =>
e1e77265fb1d added possibility to register datatypes as codatatypes in Nitpick;
blanchet
parents: 33580
diff changeset
   860
             [(Abs_name, instantiate_type thy abs_type T rep_type --> T)]
e1e77265fb1d added possibility to register datatypes as codatatypes in Nitpick;
blanchet
parents: 33580
diff changeset
   861
           | NONE =>
e1e77265fb1d added possibility to register datatypes as codatatypes in Nitpick;
blanchet
parents: 33580
diff changeset
   862
             if T = @{typ ind} then
e1e77265fb1d added possibility to register datatypes as codatatypes in Nitpick;
blanchet
parents: 33580
diff changeset
   863
               [dest_Const @{const Zero_Rep}, dest_Const @{const Suc_Rep}]
e1e77265fb1d added possibility to register datatypes as codatatypes in Nitpick;
blanchet
parents: 33580
diff changeset
   864
             else
e1e77265fb1d added possibility to register datatypes as codatatypes in Nitpick;
blanchet
parents: 33580
diff changeset
   865
               []
e1e77265fb1d added possibility to register datatypes as codatatypes in Nitpick;
blanchet
parents: 33580
diff changeset
   866
       else
e1e77265fb1d added possibility to register datatypes as codatatypes in Nitpick;
blanchet
parents: 33580
diff changeset
   867
         [])
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
   868
  | uncached_datatype_constrs _ _ = []
35070
96136eb6218f split "nitpick_hol.ML" into two files to make it more manageable;
blanchet
parents: 34998
diff changeset
   869
(* hol_context -> typ -> styp list *)
96136eb6218f split "nitpick_hol.ML" into two files to make it more manageable;
blanchet
parents: 34998
diff changeset
   870
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
   871
  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
   872
    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
   873
  | NONE =>
35070
96136eb6218f split "nitpick_hol.ML" into two files to make it more manageable;
blanchet
parents: 34998
diff changeset
   874
    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
   875
      (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
   876
    end
35070
96136eb6218f split "nitpick_hol.ML" into two files to make it more manageable;
blanchet
parents: 34998
diff changeset
   877
fun boxed_datatype_constrs hol_ctxt =
96136eb6218f split "nitpick_hol.ML" into two files to make it more manageable;
blanchet
parents: 34998
diff changeset
   878
  map (apsnd (box_type hol_ctxt InConstr)) o datatype_constrs hol_ctxt
96136eb6218f split "nitpick_hol.ML" into two files to make it more manageable;
blanchet
parents: 34998
diff changeset
   879
(* hol_context -> typ -> int *)
33192
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   880
val num_datatype_constrs = length oo datatype_constrs
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   881
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   882
(* string -> string *)
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   883
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
   884
  | 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
   885
  | constr_name_for_sel_like s' = original_name s'
35070
96136eb6218f split "nitpick_hol.ML" into two files to make it more manageable;
blanchet
parents: 34998
diff changeset
   886
(* hol_context -> styp -> styp *)
96136eb6218f split "nitpick_hol.ML" into two files to make it more manageable;
blanchet
parents: 34998
diff changeset
   887
fun boxed_constr_for_sel hol_ctxt (s', T') =
33192
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   888
  let val s = constr_name_for_sel_like s' in
35070
96136eb6218f split "nitpick_hol.ML" into two files to make it more manageable;
blanchet
parents: 34998
diff changeset
   889
    AList.lookup (op =) (boxed_datatype_constrs hol_ctxt (domain_type T')) s
33192
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   890
    |> the |> pair s
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   891
  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
   892
35070
96136eb6218f split "nitpick_hol.ML" into two files to make it more manageable;
blanchet
parents: 34998
diff changeset
   893
(* hol_context -> styp -> term *)
96136eb6218f split "nitpick_hol.ML" into two files to make it more manageable;
blanchet
parents: 34998
diff changeset
   894
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
   895
  let val dataT = body_type T in
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   896
    if s = @{const_name Suc} then
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   897
      Abs (Name.uu, dataT,
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   898
           @{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
   899
    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
   900
      Const (discr_for_constr x)
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   901
    else
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   902
      Abs (Name.uu, dataT, @{const True})
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   903
  end
35070
96136eb6218f split "nitpick_hol.ML" into two files to make it more manageable;
blanchet
parents: 34998
diff changeset
   904
(* hol_context -> styp -> term -> term *)
96136eb6218f split "nitpick_hol.ML" into two files to make it more manageable;
blanchet
parents: 34998
diff changeset
   905
fun discriminate_value (hol_ctxt as {thy, ...}) (x as (_, T)) t =
33192
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   906
  case strip_comb t of
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   907
    (Const x', args) =>
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   908
    if x = x' then @{const True}
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   909
    else if is_constr_like thy x' then @{const False}
35070
96136eb6218f split "nitpick_hol.ML" into two files to make it more manageable;
blanchet
parents: 34998
diff changeset
   910
    else betapply (discr_term_for_constr hol_ctxt x, t)
96136eb6218f split "nitpick_hol.ML" into two files to make it more manageable;
blanchet
parents: 34998
diff changeset
   911
  | _ => 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
   912
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   913
(* styp -> term -> term *)
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   914
fun nth_arg_sel_term_for_constr (x as (s, T)) n =
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   915
  let val (arg_Ts, dataT) = strip_type T in
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   916
    if dataT = nat_T then
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   917
      @{term "%n::nat. minus_nat_inst.minus_nat n one_nat_inst.one_nat"}
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   918
    else if is_pair_type dataT then
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   919
      Const (nth_sel_for_constr x n)
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   920
    else
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   921
      let
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   922
        (* int -> typ -> int * term *)
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   923
        fun aux m (Type ("*", [T1, T2])) =
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   924
            let
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   925
              val (m, t1) = aux m T1
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   926
              val (m, t2) = aux m T2
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   927
            in (m, HOLogic.mk_prod (t1, t2)) end
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   928
          | aux m T =
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   929
            (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
   930
                    $ Bound 0)
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   931
        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
   932
                     (List.take (arg_Ts, n)) 0
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   933
      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
   934
  end
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   935
(* theory -> styp -> term -> int -> typ -> term *)
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   936
fun select_nth_constr_arg thy x t n res_T =
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   937
  case strip_comb t of
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   938
    (Const x', args) =>
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   939
    if x = x' then nth args n
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   940
    else if is_constr_like thy x' then Const (@{const_name unknown}, res_T)
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   941
    else betapply (nth_arg_sel_term_for_constr x n, t)
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   942
  | _ => betapply (nth_arg_sel_term_for_constr x n, t)
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   943
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   944
(* theory -> styp -> term list -> term *)
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   945
fun construct_value _ x [] = Const x
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   946
  | construct_value thy (x as (s, _)) args =
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   947
    let val args = map Envir.eta_contract args in
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   948
      case hd args of
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   949
        Const (x' as (s', _)) $ t =>
34936
c4f04bee79f3 some work on Nitpick's support for quotient types;
blanchet
parents: 34126
diff changeset
   950
        if is_sel_like_and_no_discr s' andalso
c4f04bee79f3 some work on Nitpick's support for quotient types;
blanchet
parents: 34126
diff changeset
   951
           constr_name_for_sel_like s' = s andalso
c4f04bee79f3 some work on Nitpick's support for quotient types;
blanchet
parents: 34126
diff changeset
   952
           forall (fn (n, t') => select_nth_constr_arg thy x t n dummyT = t')
c4f04bee79f3 some work on Nitpick's support for quotient types;
blanchet
parents: 34126
diff changeset
   953
                  (index_seq 0 (length args) ~~ args) then
33192
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   954
          t
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   955
        else
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   956
          list_comb (Const x, args)
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   957
      | _ => list_comb (Const x, args)
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   958
    end
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   959
35075
888802be2019 handle Nitpick's nonstandard model enumeration in a cleaner way;
blanchet
parents: 35070
diff changeset
   960
(* The higher this number is, the more nonstandard models can be generated. It's
888802be2019 handle Nitpick's nonstandard model enumeration in a cleaner way;
blanchet
parents: 35070
diff changeset
   961
   not important enough to be a user option, though. *)
888802be2019 handle Nitpick's nonstandard model enumeration in a cleaner way;
blanchet
parents: 35070
diff changeset
   962
val xi_card = 8
888802be2019 handle Nitpick's nonstandard model enumeration in a cleaner way;
blanchet
parents: 35070
diff changeset
   963
33192
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   964
(* (typ * int) list -> typ -> int *)
34123
c4988215a691 distinguish better between "complete" (vs. incomplete) types and "concrete" (vs. abstract) types in Nitpick;
blanchet
parents: 34121
diff changeset
   965
fun card_of_type assigns (Type ("fun", [T1, T2])) =
c4988215a691 distinguish better between "complete" (vs. incomplete) types and "concrete" (vs. abstract) types in Nitpick;
blanchet
parents: 34121
diff changeset
   966
    reasonable_power (card_of_type assigns T2) (card_of_type assigns T1)
c4988215a691 distinguish better between "complete" (vs. incomplete) types and "concrete" (vs. abstract) types in Nitpick;
blanchet
parents: 34121
diff changeset
   967
  | card_of_type assigns (Type ("*", [T1, T2])) =
c4988215a691 distinguish better between "complete" (vs. incomplete) types and "concrete" (vs. abstract) types in Nitpick;
blanchet
parents: 34121
diff changeset
   968
    card_of_type assigns T1 * card_of_type assigns T2
33192
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   969
  | card_of_type _ (Type (@{type_name itself}, _)) = 1
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   970
  | card_of_type _ @{typ prop} = 2
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   971
  | card_of_type _ @{typ bool} = 2
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   972
  | card_of_type _ @{typ unit} = 1
35075
888802be2019 handle Nitpick's nonstandard model enumeration in a cleaner way;
blanchet
parents: 35070
diff changeset
   973
  | card_of_type _ @{typ \<xi>} = xi_card
34123
c4988215a691 distinguish better between "complete" (vs. incomplete) types and "concrete" (vs. abstract) types in Nitpick;
blanchet
parents: 34121
diff changeset
   974
  | card_of_type assigns T =
c4988215a691 distinguish better between "complete" (vs. incomplete) types and "concrete" (vs. abstract) types in Nitpick;
blanchet
parents: 34121
diff changeset
   975
    case AList.lookup (op =) assigns T of
33192
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   976
      SOME k => k
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   977
    | NONE => if T = @{typ bisim_iterator} then 0
33232
f93390060bbe internal renaming in Nitpick and fixed Kodkodi invokation on Linux;
blanchet
parents: 33202
diff changeset
   978
              else raise TYPE ("Nitpick_HOL.card_of_type", [T], [])
33192
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   979
(* int -> (typ * int) list -> typ -> int *)
34123
c4988215a691 distinguish better between "complete" (vs. incomplete) types and "concrete" (vs. abstract) types in Nitpick;
blanchet
parents: 34121
diff changeset
   980
fun bounded_card_of_type max default_card assigns (Type ("fun", [T1, T2])) =
33192
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   981
    let
34123
c4988215a691 distinguish better between "complete" (vs. incomplete) types and "concrete" (vs. abstract) types in Nitpick;
blanchet
parents: 34121
diff changeset
   982
      val k1 = bounded_card_of_type max default_card assigns T1
c4988215a691 distinguish better between "complete" (vs. incomplete) types and "concrete" (vs. abstract) types in Nitpick;
blanchet
parents: 34121
diff changeset
   983
      val k2 = bounded_card_of_type max default_card assigns T2
33192
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   984
    in
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   985
      if k1 = max orelse k2 = max then max
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   986
      else Int.min (max, reasonable_power k2 k1)
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   987
    end
34123
c4988215a691 distinguish better between "complete" (vs. incomplete) types and "concrete" (vs. abstract) types in Nitpick;
blanchet
parents: 34121
diff changeset
   988
  | bounded_card_of_type max default_card assigns (Type ("*", [T1, T2])) =
33192
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   989
    let
34123
c4988215a691 distinguish better between "complete" (vs. incomplete) types and "concrete" (vs. abstract) types in Nitpick;
blanchet
parents: 34121
diff changeset
   990
      val k1 = bounded_card_of_type max default_card assigns T1
c4988215a691 distinguish better between "complete" (vs. incomplete) types and "concrete" (vs. abstract) types in Nitpick;
blanchet
parents: 34121
diff changeset
   991
      val k2 = bounded_card_of_type max default_card assigns T2
33192
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   992
    in if k1 = max orelse k2 = max then max else Int.min (max, k1 * k2) end
34123
c4988215a691 distinguish better between "complete" (vs. incomplete) types and "concrete" (vs. abstract) types in Nitpick;
blanchet
parents: 34121
diff changeset
   993
  | bounded_card_of_type max default_card assigns T =
33192
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   994
    Int.min (max, if default_card = ~1 then
34123
c4988215a691 distinguish better between "complete" (vs. incomplete) types and "concrete" (vs. abstract) types in Nitpick;
blanchet
parents: 34121
diff changeset
   995
                    card_of_type assigns T
33192
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   996
                  else
34123
c4988215a691 distinguish better between "complete" (vs. incomplete) types and "concrete" (vs. abstract) types in Nitpick;
blanchet
parents: 34121
diff changeset
   997
                    card_of_type assigns T
33232
f93390060bbe internal renaming in Nitpick and fixed Kodkodi invokation on Linux;
blanchet
parents: 33202
diff changeset
   998
                    handle TYPE ("Nitpick_HOL.card_of_type", _, _) =>
33192
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
   999
                           default_card)
35070
96136eb6218f split "nitpick_hol.ML" into two files to make it more manageable;
blanchet
parents: 34998
diff changeset
  1000
(* hol_context -> int -> (typ * int) list -> typ -> int *)
96136eb6218f split "nitpick_hol.ML" into two files to make it more manageable;
blanchet
parents: 34998
diff changeset
  1001
fun bounded_exact_card_of_type hol_ctxt max default_card assigns T =
33192
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  1002
  let
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  1003
    (* typ list -> typ -> int *)
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  1004
    fun aux avoid T =
34121
5e831d805118 get rid of polymorphic equality in Nitpick's code + a few minor cleanups
blanchet
parents: 33978
diff changeset
  1005
      (if member (op =) avoid T then
33192
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  1006
         0
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  1007
       else case T of
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  1008
         Type ("fun", [T1, T2]) =>
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  1009
         let
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  1010
           val k1 = aux avoid T1
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  1011
           val k2 = aux avoid T2
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  1012
         in
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  1013
           if k1 = 0 orelse k2 = 0 then 0
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  1014
           else if k1 >= max orelse k2 >= max then max
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  1015
           else Int.min (max, reasonable_power k2 k1)
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  1016
         end
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  1017
       | Type ("*", [T1, T2]) =>
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  1018
         let
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  1019
           val k1 = aux avoid T1
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  1020
           val k2 = aux avoid T2
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  1021
         in
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  1022
           if k1 = 0 orelse k2 = 0 then 0
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  1023
           else if k1 >= max orelse k2 >= max then max
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  1024
           else Int.min (max, k1 * k2)
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  1025
         end
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  1026
       | Type (@{type_name itself}, _) => 1
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  1027
       | @{typ prop} => 2
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  1028
       | @{typ bool} => 2
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  1029
       | @{typ unit} => 1
35075
888802be2019 handle Nitpick's nonstandard model enumeration in a cleaner way;
blanchet
parents: 35070
diff changeset
  1030
       | @{typ \<xi>} => xi_card
33192
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  1031
       | Type _ =>
35070
96136eb6218f split "nitpick_hol.ML" into two files to make it more manageable;
blanchet
parents: 34998
diff changeset
  1032
         (case datatype_constrs hol_ctxt T of
34126
8a2c5d7aff51 polished Nitpick's binary integer support etc.;
blanchet
parents: 34124
diff changeset
  1033
            [] => if is_integer_type T orelse is_bit_type T then 0
8a2c5d7aff51 polished Nitpick's binary integer support etc.;
blanchet
parents: 34124
diff changeset
  1034
                  else raise SAME ()
33192
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  1035
          | constrs =>
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  1036
            let
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  1037
              val constr_cards =
35070
96136eb6218f split "nitpick_hol.ML" into two files to make it more manageable;
blanchet
parents: 34998
diff changeset
  1038
                datatype_constrs hol_ctxt T
33192
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  1039
                |> map (Integer.prod o map (aux (T :: avoid)) o binder_types
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  1040
                        o snd)
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  1041
            in
34121
5e831d805118 get rid of polymorphic equality in Nitpick's code + a few minor cleanups
blanchet
parents: 33978
diff changeset
  1042
              if exists (curry (op =) 0) constr_cards then 0
33192
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  1043
              else Integer.sum constr_cards
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  1044
            end)
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  1045
       | _ => raise SAME ())
34123
c4988215a691 distinguish better between "complete" (vs. incomplete) types and "concrete" (vs. abstract) types in Nitpick;
blanchet
parents: 34121
diff changeset
  1046
      handle SAME () =>
c4988215a691 distinguish better between "complete" (vs. incomplete) types and "concrete" (vs. abstract) types in Nitpick;
blanchet
parents: 34121
diff changeset
  1047
             AList.lookup (op =) assigns T |> the_default default_card
33192
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  1048
  in Int.min (max, aux [] T) end
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  1049
35070
96136eb6218f split "nitpick_hol.ML" into two files to make it more manageable;
blanchet
parents: 34998
diff changeset
  1050
(* hol_context -> typ -> bool *)
96136eb6218f split "nitpick_hol.ML" into two files to make it more manageable;
blanchet
parents: 34998
diff changeset
  1051
fun is_finite_type hol_ctxt =
96136eb6218f split "nitpick_hol.ML" into two files to make it more manageable;
blanchet
parents: 34998
diff changeset
  1052
  not_equal 0 o bounded_exact_card_of_type hol_ctxt 1 2 []
33192
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  1053
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  1054
(* term -> bool *)
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  1055
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
  1056
  | is_ground_term (Const _) = true
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  1057
  | is_ground_term _ = false
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  1058
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  1059
(* term -> word -> word *)
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  1060
fun hashw_term (t1 $ t2) = Polyhash.hashw (hashw_term t1, hashw_term t2)
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  1061
  | hashw_term (Const (s, _)) = Polyhash.hashw_string (s, 0w0)
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  1062
  | hashw_term _ = 0w0
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  1063
(* term -> int *)
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  1064
val hash_term = Word.toInt o hashw_term
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  1065
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  1066
(* term list -> (indexname * typ) list *)
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  1067
fun special_bounds ts =
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  1068
  fold Term.add_vars ts [] |> sort (TermOrd.fast_indexname_ord o pairself fst)
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  1069
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  1070
(* indexname * typ -> term -> term *)
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  1071
fun abs_var ((s, j), T) body = Abs (s, T, abstract_over (Var ((s, j), T), body))
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  1072
33571
3655e51f9958 minor cleanup in Nitpick
blanchet
parents: 33557
diff changeset
  1073
(* theory -> string -> bool *)
3655e51f9958 minor cleanup in Nitpick
blanchet
parents: 33557
diff changeset
  1074
fun is_funky_typedef_name thy s =
34121
5e831d805118 get rid of polymorphic equality in Nitpick's code + a few minor cleanups
blanchet
parents: 33978
diff changeset
  1075
  member (op =) [@{type_name unit}, @{type_name "*"}, @{type_name "+"},
34936
c4f04bee79f3 some work on Nitpick's support for quotient types;
blanchet
parents: 34126
diff changeset
  1076
                 @{type_name int}] s orelse
c4f04bee79f3 some work on Nitpick's support for quotient types;
blanchet
parents: 34126
diff changeset
  1077
  is_frac_type thy (Type (s, []))
35070
96136eb6218f split "nitpick_hol.ML" into two files to make it more manageable;
blanchet
parents: 34998
diff changeset
  1078
(* theory -> typ -> bool *)
33571
3655e51f9958 minor cleanup in Nitpick
blanchet
parents: 33557
diff changeset
  1079
fun is_funky_typedef thy (Type (s, _)) = is_funky_typedef_name thy s
3655e51f9958 minor cleanup in Nitpick
blanchet
parents: 33557
diff changeset
  1080
  | is_funky_typedef _ _ = false
33192
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  1081
(* term -> bool *)
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  1082
fun is_arity_type_axiom (Const (@{const_name HOL.type_class}, _)
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  1083
                         $ Const (@{const_name TYPE}, _)) = true
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  1084
  | is_arity_type_axiom _ = false
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  1085
(* theory -> bool -> term -> bool *)
33197
de6285ebcc05 continuation of Nitpick's integration into Isabelle;
blanchet
parents: 33192
diff changeset
  1086
fun is_typedef_axiom thy boring (@{const "==>"} $ _ $ t2) =
de6285ebcc05 continuation of Nitpick's integration into Isabelle;
blanchet
parents: 33192
diff changeset
  1087
    is_typedef_axiom thy boring t2
de6285ebcc05 continuation of Nitpick's integration into Isabelle;
blanchet
parents: 33192
diff changeset
  1088
  | is_typedef_axiom thy boring
33192
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  1089
        (@{const Trueprop} $ (Const (@{const_name Typedef.type_definition}, _)
33197
de6285ebcc05 continuation of Nitpick's integration into Isabelle;
blanchet
parents: 33192
diff changeset
  1090
         $ Const (_, Type ("fun", [Type (s, _), _])) $ Const _ $ _)) =
33571
3655e51f9958 minor cleanup in Nitpick
blanchet
parents: 33557
diff changeset
  1091
    boring <> is_funky_typedef_name thy s andalso is_typedef thy s
33192
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  1092
  | is_typedef_axiom _ _ _ = false
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  1093
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  1094
(* Distinguishes between (1) constant definition axioms, (2) type arity and
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  1095
   typedef axioms, and (3) other axioms, and returns the pair ((1), (3)).
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  1096
   Typedef axioms are uninteresting to Nitpick, because it can retrieve them
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  1097
   using "typedef_info". *)
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  1098
(* theory -> (string * term) list -> string list -> term list * term list *)
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  1099
fun partition_axioms_by_definitionality thy axioms def_names =
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  1100
  let
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  1101
    val axioms = sort (fast_string_ord o pairself fst) axioms
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  1102
    val defs = OrdList.inter (fast_string_ord o apsnd fst) def_names axioms
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  1103
    val nondefs =
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  1104
      OrdList.subtract (fast_string_ord o apsnd fst) def_names axioms
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  1105
      |> filter_out ((is_arity_type_axiom orf is_typedef_axiom thy true) o snd)
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  1106
  in pairself (map snd) (defs, nondefs) end
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  1107
33197
de6285ebcc05 continuation of Nitpick's integration into Isabelle;
blanchet
parents: 33192
diff changeset
  1108
(* Ideally we would check against "Complex_Main", not "Refute", but any theory
de6285ebcc05 continuation of Nitpick's integration into Isabelle;
blanchet
parents: 33192
diff changeset
  1109
   will do as long as it contains all the "axioms" and "axiomatization"
33192
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  1110
   commands. *)
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  1111
(* theory -> bool *)
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  1112
fun is_built_in_theory thy = Theory.subthy (thy, @{theory Refute})
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  1113
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  1114
(* term -> bool *)
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  1115
val is_plain_definition =
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  1116
  let
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  1117
    (* term -> bool *)
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  1118
    fun do_lhs t1 =
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  1119
      case strip_comb t1 of
34936
c4f04bee79f3 some work on Nitpick's support for quotient types;
blanchet
parents: 34126
diff changeset
  1120
        (Const _, args) =>
c4f04bee79f3 some work on Nitpick's support for quotient types;
blanchet
parents: 34126
diff changeset
  1121
        forall is_Var args andalso not (has_duplicates (op =) args)
33192
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  1122
      | _ => false
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  1123
    fun do_eq (Const (@{const_name "=="}, _) $ t1 $ _) = do_lhs t1
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  1124
      | do_eq (@{const Trueprop} $ (Const (@{const_name "op ="}, _) $ t1 $ _)) =
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  1125
        do_lhs t1
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  1126
      | do_eq _ = false
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  1127
  in do_eq end
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  1128
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  1129
(* theory -> term list * term list * term list *)
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  1130
fun all_axioms_of thy =
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  1131
  let
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  1132
    (* theory list -> term list *)
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  1133
    val axioms_of_thys = maps Thm.axioms_of #> map (apsnd prop_of)
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  1134
    val specs = Defs.all_specifications_of (Theory.defs_of thy)
33701
9dd1079cec3a primitive defs: clarified def (axiom name) vs. description;
wenzelm
parents: 33699
diff changeset
  1135
    val def_names = specs |> maps snd |> map_filter #def
33197
de6285ebcc05 continuation of Nitpick's integration into Isabelle;
blanchet
parents: 33192
diff changeset
  1136
                    |> OrdList.make fast_string_ord
33192
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  1137
    val thys = thy :: Theory.ancestors_of thy
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  1138
    val (built_in_thys, user_thys) = List.partition is_built_in_theory thys
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  1139
    val built_in_axioms = axioms_of_thys built_in_thys
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  1140
    val user_axioms = axioms_of_thys user_thys
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  1141
    val (built_in_defs, built_in_nondefs) =
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  1142
      partition_axioms_by_definitionality thy built_in_axioms def_names
33197
de6285ebcc05 continuation of Nitpick's integration into Isabelle;
blanchet
parents: 33192
diff changeset
  1143
      ||> filter (is_typedef_axiom thy false)
33192
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  1144
    val (user_defs, user_nondefs) =
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  1145
      partition_axioms_by_definitionality thy user_axioms def_names
33197
de6285ebcc05 continuation of Nitpick's integration into Isabelle;
blanchet
parents: 33192
diff changeset
  1146
    val (built_in_nondefs, user_nondefs) =
de6285ebcc05 continuation of Nitpick's integration into Isabelle;
blanchet
parents: 33192
diff changeset
  1147
      List.partition (is_typedef_axiom thy false) user_nondefs
de6285ebcc05 continuation of Nitpick's integration into Isabelle;
blanchet
parents: 33192
diff changeset
  1148
      |>> append built_in_nondefs
34121
5e831d805118 get rid of polymorphic equality in Nitpick's code + a few minor cleanups
blanchet
parents: 33978
diff changeset
  1149
    val defs =
5e831d805118 get rid of polymorphic equality in Nitpick's code + a few minor cleanups
blanchet
parents: 33978
diff changeset
  1150
      (thy |> PureThy.all_thms_of
5e831d805118 get rid of polymorphic equality in Nitpick's code + a few minor cleanups
blanchet
parents: 33978
diff changeset
  1151
           |> filter (curry (op =) Thm.definitionK o Thm.get_kind o snd)
5e831d805118 get rid of polymorphic equality in Nitpick's code + a few minor cleanups
blanchet
parents: 33978
diff changeset
  1152
           |> map (prop_of o snd) |> filter is_plain_definition) @
5e831d805118 get rid of polymorphic equality in Nitpick's code + a few minor cleanups
blanchet
parents: 33978
diff changeset
  1153
      user_defs @ built_in_defs
33192
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  1154
  in (defs, built_in_nondefs, user_nondefs) end
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  1155
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  1156
(* bool -> styp -> int option *)
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  1157
fun arity_of_built_in_const fast_descrs (s, T) =
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  1158
  if s = @{const_name If} then
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  1159
    if nth_range_type 3 T = @{typ bool} then NONE else SOME 3
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  1160
  else case AList.lookup (op =)
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  1161
                (built_in_consts
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  1162
                 |> fast_descrs ? append built_in_descr_consts) s of
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  1163
    SOME n => SOME n
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  1164
  | NONE =>
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  1165
    case AList.lookup (op =) built_in_typed_consts (s, T) of
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  1166
      SOME n => SOME n
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  1167
    | NONE =>
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  1168
      if is_fun_type T andalso is_set_type (domain_type T) then
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  1169
        AList.lookup (op =) built_in_set_consts s
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  1170
      else
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  1171
        NONE
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  1172
(* bool -> styp -> bool *)
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  1173
val is_built_in_const = is_some oo arity_of_built_in_const
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  1174
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  1175
(* 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
  1176
   simplification rules (equational specifications). *)
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  1177
(* term -> term *)
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  1178
fun term_under_def t =
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  1179
  case t of
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  1180
    @{const "==>"} $ _ $ t2 => term_under_def t2
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  1181
  | Const (@{const_name "=="}, _) $ t1 $ _ => term_under_def t1
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  1182
  | @{const Trueprop} $ t1 => term_under_def t1
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  1183
  | Const (@{const_name "op ="}, _) $ t1 $ _ => term_under_def t1
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  1184
  | Abs (_, _, t') => term_under_def t'
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  1185
  | t1 $ _ => term_under_def t1
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  1186
  | _ => t
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  1187
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  1188
(* Here we crucially rely on "Refute.specialize_type" performing a preorder
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  1189
   traversal of the term, without which the wrong occurrence of a constant could
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  1190
   be matched in the face of overloading. *)
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  1191
(* theory -> bool -> const_table -> styp -> term list *)
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  1192
fun def_props_for_const thy fast_descrs table (x as (s, _)) =
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  1193
  if is_built_in_const fast_descrs x then
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  1194
    []
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  1195
  else
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  1196
    these (Symtab.lookup table s)
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  1197
    |> map_filter (try (Refute.specialize_type thy x))
34121
5e831d805118 get rid of polymorphic equality in Nitpick's code + a few minor cleanups
blanchet
parents: 33978
diff changeset
  1198
    |> 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
  1199
33743
a58893035742 made "NitpickHOL.normalized_rhs_of" more robust in the face of locale definitions
blanchet
parents: 33706
diff changeset
  1200
(* theory -> term -> term option *)
33192
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  1201
fun normalized_rhs_of thy t =
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  1202
  let
33743
a58893035742 made "NitpickHOL.normalized_rhs_of" more robust in the face of locale definitions
blanchet
parents: 33706
diff changeset
  1203
    (* term option -> term option *)
a58893035742 made "NitpickHOL.normalized_rhs_of" more robust in the face of locale definitions
blanchet
parents: 33706
diff changeset
  1204
    fun aux (v as Var _) (SOME t) = SOME (lambda v t)
a58893035742 made "NitpickHOL.normalized_rhs_of" more robust in the face of locale definitions
blanchet
parents: 33706
diff changeset
  1205
      | aux (c as Const (@{const_name TYPE}, T)) (SOME t) = SOME (lambda c t)
a58893035742 made "NitpickHOL.normalized_rhs_of" more robust in the face of locale definitions
blanchet
parents: 33706
diff changeset
  1206
      | aux _ _ = NONE
33192
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  1207
    val (lhs, rhs) =
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  1208
      case t of
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  1209
        Const (@{const_name "=="}, _) $ t1 $ t2 => (t1, t2)
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  1210
      | @{const Trueprop} $ (Const (@{const_name "op ="}, _) $ t1 $ t2) =>
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  1211
        (t1, t2)
33232
f93390060bbe internal renaming in Nitpick and fixed Kodkodi invokation on Linux;
blanchet
parents: 33202
diff changeset
  1212
      | _ => raise TERM ("Nitpick_HOL.normalized_rhs_of", [t])
33192
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  1213
    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
  1214
  in fold_rev aux args (SOME rhs) end
33192
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  1215
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  1216
(* theory -> const_table -> styp -> term option *)
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  1217
fun def_of_const thy table (x as (s, _)) =
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  1218
  if is_built_in_const false x orelse original_name s <> s then
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  1219
    NONE
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  1220
  else
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  1221
    x |> def_props_for_const thy false table |> List.last
33743
a58893035742 made "NitpickHOL.normalized_rhs_of" more robust in the face of locale definitions
blanchet
parents: 33706
diff changeset
  1222
      |> normalized_rhs_of thy |> Option.map (prefix_abs_vars s)
33192
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  1223
    handle List.Empty => NONE
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  1224
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  1225
(* term -> fixpoint_kind *)
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  1226
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
  1227
  | 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
  1228
  | 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
  1229
  | fixpoint_kind_of_rhs _ = NoFp
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  1230
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  1231
(* theory -> const_table -> term -> bool *)
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  1232
fun is_mutually_inductive_pred_def thy table t =
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  1233
  let
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  1234
    (* term -> bool *)
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  1235
    fun is_good_arg (Bound _) = true
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  1236
      | is_good_arg (Const (s, _)) =
34936
c4f04bee79f3 some work on Nitpick's support for quotient types;
blanchet
parents: 34126
diff changeset
  1237
        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
  1238
        s = @{const_name undefined}
33192
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  1239
      | is_good_arg _ = false
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  1240
  in
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  1241
    case t |> strip_abs_body |> strip_comb of
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  1242
      (Const x, ts as (_ :: _)) =>
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  1243
      (case def_of_const thy table x of
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  1244
         SOME t' => fixpoint_kind_of_rhs t' <> NoFp andalso forall is_good_arg ts
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  1245
       | NONE => false)
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  1246
    | _ => false
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  1247
  end
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  1248
(* theory -> const_table -> term -> term *)
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  1249
fun unfold_mutually_inductive_preds thy table =
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  1250
  map_aterms (fn t as Const x =>
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  1251
                 (case def_of_const thy table x of
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  1252
                    SOME t' =>
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  1253
                    let val t' = Envir.eta_contract t' in
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  1254
                      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
  1255
                      else t
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  1256
                    end
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  1257
                 | NONE => t)
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  1258
               | t => t)
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  1259
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  1260
(* term -> string * term *)
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  1261
fun pair_for_prop t =
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  1262
  case term_under_def t of
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  1263
    Const (s, _) => (s, t)
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  1264
  | Free _ => raise NOT_SUPPORTED "local definitions"
33232
f93390060bbe internal renaming in Nitpick and fixed Kodkodi invokation on Linux;
blanchet
parents: 33202
diff changeset
  1265
  | t' => raise TERM ("Nitpick_HOL.pair_for_prop", [t, t'])
33192
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  1266
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  1267
(* (Proof.context -> term list) -> Proof.context -> const_table *)
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  1268
fun table_for get ctxt =
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  1269
  get ctxt |> map pair_for_prop |> AList.group (op =) |> Symtab.make
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  1270
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  1271
(* theory -> (string * int) list *)
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  1272
fun case_const_names thy =
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  1273
  Symtab.fold (fn (dtype_s, {index, descr, case_name, ...}) =>
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  1274
                  if is_basic_datatype dtype_s then
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  1275
                    I
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  1276
                  else
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  1277
                    cons (case_name, AList.lookup (op =) descr index
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  1278
                                     |> the |> #3 |> length))
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  1279
              (Datatype.get_all thy) [] @
33583
b5e0909cd5ea merged, and renamed local "TheoryData" to "Data" (following common Isabelle conventions)
blanchet
parents: 33522 33581
diff changeset
  1280
  map (apsnd length o snd) (#codatatypes (Data.get thy))
33192
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  1281
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  1282
(* Proof.context -> term list -> const_table *)
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  1283
fun const_def_table ctxt ts =
34126
8a2c5d7aff51 polished Nitpick's binary integer support etc.;
blanchet
parents: 34124
diff changeset
  1284
  table_for (map prop_of o Nitpick_Defs.get) ctxt
33192
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  1285
  |> fold (fn (s, t) => Symtab.map_default (s, []) (cons t))
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  1286
          (map pair_for_prop ts)
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  1287
(* term list -> const_table *)
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  1288
fun const_nondef_table ts =
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  1289
  fold (fn t => append (map (fn s => (s, t)) (Term.add_const_names t []))) ts []
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  1290
  |> AList.group (op =) |> Symtab.make
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  1291
(* Proof.context -> const_table *)
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  1292
val const_simp_table = table_for (map prop_of o Nitpick_Simps.get)
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  1293
val const_psimp_table = table_for (map prop_of o Nitpick_Psimps.get)
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  1294
(* Proof.context -> const_table -> const_table *)
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  1295
fun inductive_intro_table ctxt def_table =
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  1296
  table_for (map (unfold_mutually_inductive_preds (ProofContext.theory_of ctxt)
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  1297
                                                  def_table o prop_of)
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  1298
             o Nitpick_Intros.get) ctxt
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  1299
(* theory -> term list Inttab.table *)
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  1300
fun ground_theorem_table thy =
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  1301
  fold ((fn @{const Trueprop} $ t1 =>
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  1302
            is_ground_term t1 ? Inttab.map_default (hash_term t1, []) (cons t1)
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  1303
          | _ => I) o prop_of o snd) (PureThy.all_thms_of thy) Inttab.empty
08a39a957ed7 added Nitpick's theory and ML files to Isabelle/HOL;
blanchet
parents:
diff changeset
  1304