(* Title: HOL/Tools/Quickcheck/exhaustive_generators.ML
Author: Lukas Bulwahn, TU Muenchen
Exhaustive generators for various types.
*)
signature EXHAUSTIVE_GENERATORS =
sig
val compile_generator_expr:
Proof.context -> (term * term list) list -> int list -> term list option * Quickcheck.report option
val compile_generator_exprs: Proof.context -> term list -> (int -> term list option) list
val compile_validator_exprs: Proof.context -> term list -> (int -> bool) list
val put_counterexample: (unit -> int -> int -> term list option)
-> Proof.context -> Proof.context
val put_counterexample_batch: (unit -> (int -> term list option) list)
-> Proof.context -> Proof.context
val put_validator_batch: (unit -> (int -> bool) list) -> Proof.context -> Proof.context
exception Counterexample of term list
val smart_quantifier : bool Config.T
val quickcheck_pretty : bool Config.T
val setup: theory -> theory
end;
structure Exhaustive_Generators : EXHAUSTIVE_GENERATORS =
struct
(* basics *)
(** dynamic options **)
val (smart_quantifier, setup_smart_quantifier) =
Attrib.config_bool "quickcheck_smart_quantifier" (K true)
val (fast, setup_fast) =
Attrib.config_bool "quickcheck_fast" (K true)
val (full_support, setup_full_support) =
Attrib.config_bool "quickcheck_full_support" (K true)
val (quickcheck_pretty, setup_quickcheck_pretty) =
Attrib.config_bool "quickcheck_pretty" (K true)
(** general term functions **)
fun mk_measure f =
let
val Type ("fun", [T, @{typ nat}]) = fastype_of f
in
Const (@{const_name Wellfounded.measure},
(T --> @{typ nat}) --> HOLogic.mk_prodT (T, T) --> @{typ bool})
$ f
end
fun mk_sumcases rT f (Type (@{type_name Sum_Type.sum}, [TL, TR])) =
let
val lt = mk_sumcases rT f TL
val rt = mk_sumcases rT f TR
in
SumTree.mk_sumcase TL TR rT lt rt
end
| mk_sumcases _ f T = f T
(** abstract syntax **)
fun termifyT T = HOLogic.mk_prodT (T, @{typ "unit => Code_Evaluation.term"});
val size = @{term "i :: code_numeral"}
val size_pred = @{term "(i :: code_numeral) - 1"}
val size_ge_zero = @{term "(i :: code_numeral) > 0"}
fun mk_none_continuation (x, y) =
let
val (T as Type(@{type_name "option"}, [T'])) = fastype_of x
in
Const (@{const_name "Quickcheck_Exhaustive.orelse"}, T --> T --> T) $ x $ y
end
fun mk_unit_let (x, y) =
Const (@{const_name "Let"}, @{typ "unit => (unit => unit) => unit"}) $ x $ (absdummy (@{typ unit}, y))
(* handling inductive datatypes *)
(** constructing generator instances **)
exception FUNCTION_TYPE;
exception Counterexample of term list
val exhaustiveN = "exhaustive";
val full_exhaustiveN = "full_exhaustive";
val fast_exhaustiveN = "fast_exhaustive";
val bounded_forallN = "bounded_forall";
fun fast_exhaustiveT T = (T --> @{typ unit})
--> @{typ code_numeral} --> @{typ unit}
fun exhaustiveT T = (T --> @{typ "Code_Evaluation.term list option"})
--> @{typ code_numeral} --> @{typ "Code_Evaluation.term list option"}
fun bounded_forallT T = (T --> @{typ bool}) --> @{typ code_numeral} --> @{typ bool}
fun full_exhaustiveT T = (termifyT T --> @{typ "Code_Evaluation.term list option"})
--> @{typ code_numeral} --> @{typ "Code_Evaluation.term list option"}
fun check_allT T = (termifyT T --> @{typ "Code_Evaluation.term list option"})
--> @{typ "Code_Evaluation.term list option"}
fun mk_equation_terms generics (descr, vs, Ts) =
let
val (mk_call, mk_aux_call, mk_consexpr, mk_rhs, test_function, exhaustives) = generics
val rhss =
Datatype_Aux.interpret_construction descr vs
{ atyp = mk_call, dtyp = mk_aux_call }
|> (map o apfst) Type
|> map (fn (T, cs) => map (mk_consexpr T) cs)
|> map mk_rhs
val lhss = map2 (fn t => fn T => t $ test_function T $ size) exhaustives Ts
in
map (HOLogic.mk_Trueprop o HOLogic.mk_eq) (lhss ~~ rhss)
end
fun gen_mk_call c T = (T, fn t => c T $ absdummy (T, t) $ size_pred)
fun gen_mk_aux_call functerms fTs (k, _) (tyco, Ts) =
let
val T = Type (tyco, Ts)
val _ = if not (null fTs) then raise FUNCTION_TYPE else ()
in
(T, fn t => nth functerms k $ absdummy (T, t) $ size_pred)
end
fun gen_mk_consexpr test_function functerms simpleT (c, xs) =
let
val (Ts, fns) = split_list xs
val constr = Const (c, Ts ---> simpleT)
val bounds = map Bound (((length xs) - 1) downto 0)
val term_bounds = map (fn x => Bound (2 * x)) (((length xs) - 1) downto 0)
val start_term = test_function simpleT $ list_comb (constr, bounds)
in fold_rev (fn f => fn t => f t) fns start_term end
fun mk_fast_equations functerms =
let
fun test_function T = Free ("f", T --> @{typ "unit"})
val mk_call = gen_mk_call (fn T =>
Const (@{const_name "Quickcheck_Exhaustive.fast_exhaustive_class.fast_exhaustive"},
fast_exhaustiveT T))
val mk_aux_call = gen_mk_aux_call functerms
val mk_consexpr = gen_mk_consexpr test_function functerms
fun mk_rhs exprs = @{term "If :: bool => unit => unit => unit"}
$ size_ge_zero $ (foldr1 mk_unit_let exprs) $ @{term "()"}
in
mk_equation_terms (mk_call, mk_aux_call, mk_consexpr, mk_rhs, test_function, functerms)
end
fun mk_equations functerms =
let
fun test_function T = Free ("f", T --> @{typ "term list option"})
val mk_call = gen_mk_call (fn T =>
Const (@{const_name "Quickcheck_Exhaustive.exhaustive_class.exhaustive"}, exhaustiveT T))
val mk_aux_call = gen_mk_aux_call functerms
val mk_consexpr = gen_mk_consexpr test_function functerms
fun mk_rhs exprs =
@{term "If :: bool => term list option => term list option => term list option"}
$ size_ge_zero $ (foldr1 mk_none_continuation exprs) $ @{term "None :: term list option"}
in
mk_equation_terms (mk_call, mk_aux_call, mk_consexpr, mk_rhs, test_function, functerms)
end
fun mk_bounded_forall_equations functerms =
let
fun test_function T = Free ("P", T --> @{typ bool})
val mk_call = gen_mk_call (fn T =>
Const (@{const_name "Quickcheck_Exhaustive.bounded_forall_class.bounded_forall"},
bounded_forallT T))
val mk_aux_call = gen_mk_aux_call functerms
val mk_consexpr = gen_mk_consexpr test_function functerms
fun mk_rhs exprs =
@{term "If :: bool => bool => bool => bool"} $ size_ge_zero $
(foldr1 HOLogic.mk_conj exprs) $ @{term "True"}
in
mk_equation_terms (mk_call, mk_aux_call, mk_consexpr, mk_rhs, test_function, functerms)
end
fun mk_full_equations functerms =
let
fun test_function T = Free ("f", termifyT T --> @{typ "term list option"})
fun mk_call T =
let
val full_exhaustive =
Const (@{const_name "Quickcheck_Exhaustive.full_exhaustive_class.full_exhaustive"},
full_exhaustiveT T)
in
(T, (fn t => full_exhaustive $
(HOLogic.split_const (T, @{typ "unit => Code_Evaluation.term"}, @{typ "Code_Evaluation.term list option"})
$ absdummy (T, absdummy (@{typ "unit => Code_Evaluation.term"}, t))) $ size_pred))
end
fun mk_aux_call fTs (k, _) (tyco, Ts) =
let
val T = Type (tyco, Ts)
val _ = if not (null fTs) then raise FUNCTION_TYPE else ()
in
(T, (fn t => nth functerms k $
(HOLogic.split_const (T, @{typ "unit => Code_Evaluation.term"}, @{typ "Code_Evaluation.term list option"})
$ absdummy (T, absdummy (@{typ "unit => Code_Evaluation.term"}, t))) $ size_pred))
end
fun mk_consexpr simpleT (c, xs) =
let
val (Ts, fns) = split_list xs
val constr = Const (c, Ts ---> simpleT)
val bounds = map (fn x => Bound (2 * x + 1)) (((length xs) - 1) downto 0)
val term_bounds = map (fn x => Bound (2 * x)) (((length xs) - 1) downto 0)
val Eval_App = Const ("Code_Evaluation.App", HOLogic.termT --> HOLogic.termT --> HOLogic.termT)
val Eval_Const = Const ("Code_Evaluation.Const", HOLogic.literalT --> @{typ typerep} --> HOLogic.termT)
val term = fold (fn u => fn t => Eval_App $ t $ (u $ @{term "()"}))
bounds (Eval_Const $ HOLogic.mk_literal c $ HOLogic.mk_typerep (Ts ---> simpleT))
val start_term = test_function simpleT $
(HOLogic.pair_const simpleT @{typ "unit => Code_Evaluation.term"}
$ (list_comb (constr, bounds)) $ absdummy (@{typ unit}, term))
in fold_rev (fn f => fn t => f t) fns start_term end
fun mk_rhs exprs =
@{term "If :: bool => term list option => term list option => term list option"}
$ size_ge_zero $ (foldr1 mk_none_continuation exprs) $ @{term "None :: term list option"}
in
mk_equation_terms (mk_call, mk_aux_call, mk_consexpr, mk_rhs, test_function, functerms)
end
(** foundational definition with the function package **)
val less_int_pred = @{lemma "i > 0 ==> Code_Numeral.nat_of ((i :: code_numeral) - 1) < Code_Numeral.nat_of i" by auto}
fun mk_single_measure T = HOLogic.mk_comp (@{term "Code_Numeral.nat_of"},
Const (@{const_name "Product_Type.snd"}, T --> @{typ "code_numeral"}))
fun mk_termination_measure T =
let
val T' = fst (HOLogic.dest_prodT (HOLogic.dest_setT T))
in
mk_measure (mk_sumcases @{typ nat} mk_single_measure T')
end
fun termination_tac ctxt =
Function_Relation.relation_tac ctxt mk_termination_measure 1
THEN rtac @{thm wf_measure} 1
THEN (REPEAT_DETERM (Simplifier.asm_full_simp_tac
(HOL_basic_ss addsimps [@{thm in_measure}, @{thm o_def}, @{thm snd_conv},
@{thm nat_mono_iff}, less_int_pred] @ @{thms sum.cases}) 1))
(** instantiating generator classes **)
fun instantiate_exhaustive_datatype config descr vs tycos prfx (names, auxnames) (Ts, Us) thy =
let
val _ = Datatype_Aux.message config "Creating exhaustive generators...";
val exhaustivesN = map (prefix (exhaustiveN ^ "_")) (names @ auxnames)
in
thy
|> Class.instantiation (tycos, vs, @{sort exhaustive})
|> Quickcheck_Common.define_functions
(fn functerms => mk_equations functerms (descr, vs, Ts @ Us), SOME termination_tac)
prfx ["f", "i"] exhaustivesN (map exhaustiveT (Ts @ Us))
|> Class.prove_instantiation_exit (K (Class.intro_classes_tac []))
end handle FUNCTION_TYPE =>
(Datatype_Aux.message config
"Creation of exhaustive generators failed because the datatype contains a function type";
thy)
fun instantiate_full_exhaustive_datatype config descr vs tycos prfx (names, auxnames) (Ts, Us) thy =
let
val _ = Datatype_Aux.message config "Creating exhaustive generators...";
val full_exhaustivesN = map (prefix (full_exhaustiveN ^ "_")) (names @ auxnames)
in
thy
|> Class.instantiation (tycos, vs, @{sort full_exhaustive})
|> Quickcheck_Common.define_functions
(fn functerms => mk_full_equations functerms (descr, vs, Ts @ Us), SOME termination_tac)
prfx ["f", "i"] full_exhaustivesN (map full_exhaustiveT (Ts @ Us))
|> Class.prove_instantiation_exit (K (Class.intro_classes_tac []))
end handle FUNCTION_TYPE =>
(Datatype_Aux.message config
"Creation of exhaustive generators failed because the datatype contains a function type";
thy)
fun instantiate_fast_exhaustive_datatype config descr vs tycos prfx (names, auxnames) (Ts, Us) thy =
let
val _ = Datatype_Aux.message config "Creating fast exhaustive generators...";
val fast_exhaustivesN = map (prefix (fast_exhaustiveN ^ "_")) (names @ auxnames)
in
thy
|> Class.instantiation (tycos, vs, @{sort fast_exhaustive})
|> Quickcheck_Common.define_functions
(fn functerms => mk_fast_equations functerms (descr, vs, Ts @ Us), SOME termination_tac)
prfx ["f", "i"] fast_exhaustivesN (map fast_exhaustiveT (Ts @ Us))
|> Class.prove_instantiation_exit (K (Class.intro_classes_tac []))
end handle FUNCTION_TYPE =>
(Datatype_Aux.message config
"Creation of exhaustive generators failed because the datatype contains a function type";
thy)
fun instantiate_bounded_forall_datatype config descr vs tycos prfx (names, auxnames) (Ts, Us) thy =
let
val _ = Datatype_Aux.message config "Creating bounded universal quantifiers...";
val bounded_forallsN = map (prefix (bounded_forallN ^ "_")) (names @ auxnames);
in
thy
|> Class.instantiation (tycos, vs, @{sort bounded_forall})
|> Quickcheck_Common.define_functions
(fn functerms => mk_bounded_forall_equations functerms (descr, vs, Ts @ Us), NONE)
prfx ["P", "i"] bounded_forallsN (map bounded_forallT (Ts @ Us))
|> Class.prove_instantiation_exit (K (Class.intro_classes_tac []))
end handle FUNCTION_TYPE =>
(Datatype_Aux.message config
"Creation of bounded universal quantifiers failed because the datatype contains a function type";
thy)
(* building and compiling generator expressions *)
fun mk_fast_generator_expr ctxt (t, eval_terms) =
let
val thy = ProofContext.theory_of ctxt
val ctxt' = Variable.auto_fixes t ctxt
val names = Term.add_free_names t []
val frees = map Free (Term.add_frees t [])
val ([depth_name], ctxt'') = Variable.variant_fixes ["depth"] ctxt'
val depth = Free (depth_name, @{typ code_numeral})
val return = @{term "throw_Counterexample :: term list => unit"} $
(HOLogic.mk_list @{typ "term"}
(map (fn t => HOLogic.mk_term_of (fastype_of t) t) (frees @ eval_terms)))
fun mk_exhaustive_closure (free as Free (_, T)) t =
Const (@{const_name "Quickcheck_Exhaustive.fast_exhaustive_class.fast_exhaustive"}, fast_exhaustiveT T)
$ lambda free t $ depth
val none_t = @{term "()"}
fun mk_safe_if (cond, then_t, else_t) =
@{term "If :: bool => unit => unit => unit"} $ cond $ then_t $ else_t
fun lookup v = the (AList.lookup (op =) (names ~~ frees) v)
fun mk_naive_test_term t =
fold_rev mk_exhaustive_closure frees (mk_safe_if (t, none_t, return))
fun mk_smart_test_term' concl bound_vars assms =
let
fun vars_of t = subtract (op =) bound_vars (Term.add_free_names t [])
val (vars, check) =
case assms of [] => (vars_of concl, (concl, none_t, return))
| assm :: assms => (vars_of assm, (assm,
mk_smart_test_term' concl (union (op =) (vars_of assm) bound_vars) assms, none_t))
in
fold_rev mk_exhaustive_closure (map lookup vars) (mk_safe_if check)
end
fun mk_smart_test_term t =
let
val (assms, concl) = Quickcheck_Common.strip_imp t
in
mk_smart_test_term' concl [] assms
end
val mk_test_term =
if Config.get ctxt smart_quantifier then mk_smart_test_term else mk_naive_test_term
in lambda depth (@{term "catch_Counterexample :: unit => term list option"} $ mk_test_term t) end
fun mk_generator_expr ctxt (t, eval_terms) =
let
val thy = ProofContext.theory_of ctxt
val ctxt' = Variable.auto_fixes t ctxt
val names = Term.add_free_names t []
val frees = map Free (Term.add_frees t [])
val ([depth_name], ctxt'') = Variable.variant_fixes ["depth"] ctxt'
val depth = Free (depth_name, @{typ code_numeral})
val return = @{term "Some :: term list => term list option"} $
(HOLogic.mk_list @{typ "term"}
(map (fn t => HOLogic.mk_term_of (fastype_of t) t) (frees @ eval_terms)))
fun mk_exhaustive_closure (free as Free (_, T)) t =
Const (@{const_name "Quickcheck_Exhaustive.exhaustive_class.exhaustive"}, exhaustiveT T)
$ lambda free t $ depth
val none_t = @{term "None :: term list option"}
fun mk_safe_if (cond, then_t, else_t) =
@{term "Quickcheck_Exhaustive.catch_match :: term list option => term list option => term list option"} $
(@{term "If :: bool => term list option => term list option => term list option"}
$ cond $ then_t $ else_t) $ none_t;
fun lookup v = the (AList.lookup (op =) (names ~~ frees) v)
fun mk_naive_test_term t =
fold_rev mk_exhaustive_closure frees (mk_safe_if (t, none_t, return))
fun mk_smart_test_term' concl bound_vars assms =
let
fun vars_of t = subtract (op =) bound_vars (Term.add_free_names t [])
val (vars, check) =
case assms of [] => (vars_of concl, (concl, none_t, return))
| assm :: assms => (vars_of assm, (assm,
mk_smart_test_term' concl (union (op =) (vars_of assm) bound_vars) assms, none_t))
in
fold_rev mk_exhaustive_closure (map lookup vars) (mk_safe_if check)
end
fun mk_smart_test_term t =
let
val (assms, concl) = Quickcheck_Common.strip_imp t
in
mk_smart_test_term' concl [] assms
end
val mk_test_term =
if Config.get ctxt smart_quantifier then mk_smart_test_term else mk_naive_test_term
in lambda depth (mk_test_term t) end
fun mk_full_generator_expr ctxt (t, eval_terms) =
let
val thy = ProofContext.theory_of ctxt
val ctxt' = Variable.auto_fixes t ctxt
val names = Term.add_free_names t []
val frees = map Free (Term.add_frees t [])
val ([depth_name], ctxt'') = Variable.variant_fixes ["depth"] ctxt'
val (term_names, ctxt''') = Variable.variant_fixes (map (prefix "t_") names) ctxt''
val depth = Free (depth_name, @{typ code_numeral})
val term_vars = map (fn n => Free (n, @{typ "unit => term"})) term_names
val terms = HOLogic.mk_list @{typ term} (map (fn v => v $ @{term "()"}) term_vars)
val appendC = @{term "List.append :: term list => term list => term list"}
val return = @{term "Some :: term list => term list option"} $ (appendC $ terms $
(HOLogic.mk_list @{typ "term"} (map (fn t => HOLogic.mk_term_of (fastype_of t) t) eval_terms)))
fun mk_exhaustive_closure (free as Free (_, T), term_var) t =
if Sign.of_sort thy (T, @{sort enum}) then
Const (@{const_name "Quickcheck_Exhaustive.check_all_class.check_all"}, check_allT T)
$ (HOLogic.split_const (T, @{typ "unit => term"}, @{typ "term list option"})
$ lambda free (lambda term_var t))
else
Const (@{const_name "Quickcheck_Exhaustive.exhaustive_class.exhaustive"}, exhaustiveT T)
$ (HOLogic.split_const (T, @{typ "unit => term"}, @{typ "term list option"})
$ lambda free (lambda term_var t)) $ depth
val none_t = @{term "None :: term list option"}
fun mk_safe_if (cond, then_t, else_t) =
@{term "Quickcheck_Exhaustive.catch_match :: term list option => term list option => term list option"} $
(@{term "If :: bool => term list option => term list option => term list option"}
$ cond $ then_t $ else_t) $ none_t;
fun lookup v = the (AList.lookup (op =) (names ~~ (frees ~~ term_vars)) v)
fun mk_naive_test_term t =
fold_rev mk_exhaustive_closure (frees ~~ term_vars) (mk_safe_if (t, none_t, return))
fun mk_smart_test_term' concl bound_vars assms =
let
fun vars_of t = subtract (op =) bound_vars (Term.add_free_names t [])
val (vars, check) =
case assms of [] => (vars_of concl, (concl, none_t, return))
| assm :: assms => (vars_of assm, (assm,
mk_smart_test_term' concl (union (op =) (vars_of assm) bound_vars) assms, none_t))
in
fold_rev mk_exhaustive_closure (map lookup vars) (mk_safe_if check)
end
fun mk_smart_test_term t =
let
val (assms, concl) = Quickcheck_Common.strip_imp t
in
mk_smart_test_term' concl [] assms
end
val mk_test_term =
if Config.get ctxt smart_quantifier then mk_smart_test_term else mk_naive_test_term
in lambda depth (mk_test_term t) end
fun mk_parametric_generator_expr mk_generator_expr =
Quickcheck_Common.gen_mk_parametric_generator_expr
((mk_generator_expr, absdummy (@{typ "code_numeral"}, @{term "None :: term list option"})),
@{typ "code_numeral => term list option"})
fun mk_validator_expr ctxt t =
let
fun bounded_forallT T = (T --> @{typ bool}) --> @{typ code_numeral} --> @{typ bool}
val thy = ProofContext.theory_of ctxt
val ctxt' = Variable.auto_fixes t ctxt
val ([depth_name], ctxt'') = Variable.variant_fixes ["depth"] ctxt'
val depth = Free (depth_name, @{typ code_numeral})
fun mk_bounded_forall (s, T) t =
Const (@{const_name "Quickcheck_Exhaustive.bounded_forall_class.bounded_forall"}, bounded_forallT T)
$ lambda (Free (s, T)) t $ depth
fun mk_implies (cond, then_t) =
@{term "If :: bool => bool => bool => bool"} $ cond $ then_t $ @{term True}
fun mk_naive_test_term t = fold_rev mk_bounded_forall (Term.add_frees t []) t
fun mk_smart_test_term' concl bound_frees assms =
let
fun vars_of t = subtract (op =) bound_frees (Term.add_frees t [])
val (vars, check) =
case assms of [] => (vars_of concl, concl)
| assm :: assms => (vars_of assm, mk_implies (assm,
mk_smart_test_term' concl (union (op =) (vars_of assm) bound_frees) assms))
in
fold_rev mk_bounded_forall vars check
end
fun mk_smart_test_term t =
let
val (assms, concl) = Quickcheck_Common.strip_imp t
in
mk_smart_test_term' concl [] assms
end
val mk_test_term =
if Config.get ctxt smart_quantifier then mk_smart_test_term else mk_naive_test_term
in lambda depth (mk_test_term t) end
(** generator compiliation **)
structure Counterexample = Proof_Data
(
type T = unit -> int -> int -> term list option
(* FIXME avoid user error with non-user text *)
fun init _ () = error "Counterexample"
);
val put_counterexample = Counterexample.put;
structure Counterexample_Batch = Proof_Data
(
type T = unit -> (int -> term list option) list
(* FIXME avoid user error with non-user text *)
fun init _ () = error "Counterexample"
);
val put_counterexample_batch = Counterexample_Batch.put;
structure Validator_Batch = Proof_Data
(
type T = unit -> (int -> bool) list
(* FIXME avoid user error with non-user text *)
fun init _ () = error "Counterexample"
);
val put_validator_batch = Validator_Batch.put;
val target = "Quickcheck";
fun compile_generator_expr ctxt ts =
let
val thy = ProofContext.theory_of ctxt
val mk_generator_expr =
if Config.get ctxt fast then mk_fast_generator_expr
else if Config.get ctxt full_support then mk_full_generator_expr else mk_generator_expr
val t' = mk_parametric_generator_expr mk_generator_expr ctxt ts;
val compile = Code_Runtime.dynamic_value_strict
(Counterexample.get, put_counterexample, "Exhaustive_Generators.put_counterexample")
thy (SOME target) (fn proc => fn g =>
fn card => fn size => g card size |> (Option.map o map) proc) t' []
in
fn [card, size] => rpair NONE (compile card size |>
(if Config.get ctxt quickcheck_pretty then
Option.map (map Quickcheck_Common.post_process_term) else I))
end;
fun compile_generator_exprs ctxt ts =
let
val thy = ProofContext.theory_of ctxt
val ts' = map (fn t => mk_generator_expr ctxt (t, [])) ts;
val compiles = Code_Runtime.dynamic_value_strict
(Counterexample_Batch.get, put_counterexample_batch,
"Exhaustive_Generators.put_counterexample_batch")
thy (SOME target) (fn proc => map (fn g => g #> (Option.map o map) proc))
(HOLogic.mk_list @{typ "code_numeral => term list option"} ts') []
in
map (fn compile => fn size => compile size
|> Option.map (map Quickcheck_Common.post_process_term)) compiles
end;
fun compile_validator_exprs ctxt ts =
let
val thy = ProofContext.theory_of ctxt
val ts' = map (mk_validator_expr ctxt) ts
in
Code_Runtime.dynamic_value_strict
(Validator_Batch.get, put_validator_batch, "Exhaustive_Generators.put_validator_batch")
thy (SOME target) (K I) (HOLogic.mk_list @{typ "code_numeral => bool"} ts') []
end;
(* setup *)
val setup =
Datatype.interpretation (Quickcheck_Common.ensure_sort_datatype
(((@{sort typerep}, @{sort term_of}), @{sort exhaustive}), instantiate_exhaustive_datatype))
#> Datatype.interpretation (Quickcheck_Common.ensure_sort_datatype
(((@{sort typerep}, @{sort term_of}), @{sort full_exhaustive}), instantiate_full_exhaustive_datatype))
#> Datatype.interpretation (Quickcheck_Common.ensure_sort_datatype
(((@{sort typerep}, @{sort term_of}), @{sort fast_exhaustive}), instantiate_fast_exhaustive_datatype))
#> Datatype.interpretation (Quickcheck_Common.ensure_sort_datatype
(((@{sort type}, @{sort type}), @{sort bounded_forall}), instantiate_bounded_forall_datatype))
#> setup_smart_quantifier
#> setup_full_support
#> setup_fast
#> setup_quickcheck_pretty
#> Context.theory_map (Quickcheck.add_generator ("exhaustive", compile_generator_expr))
#> Context.theory_map (Quickcheck.add_batch_generator ("exhaustive", compile_generator_exprs))
#> Context.theory_map (Quickcheck.add_batch_validator ("exhaustive", compile_validator_exprs));
end;