src/HOL/Tools/Predicate_Compile/code_prolog.ML
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(*  Title:      HOL/Tools/Predicate_Compile/code_prolog.ML
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    Author:     Lukas Bulwahn, TU Muenchen
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Prototype of an code generator for logic programming languages
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(a.k.a. Prolog).
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*)
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signature CODE_PROLOG =
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sig
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  type code_options =
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    {ensure_groundness : bool,
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     limit_globally : int option,
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     limited_types : (typ * int) list,
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     limited_predicates : (string list * int) list,
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     replacing : ((string * string) * string) list,
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     manual_reorder : ((string * int) * int list) list}
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  val set_ensure_groundness : code_options -> code_options
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  val map_limit_predicates : ((string list * int) list -> (string list * int) list)
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    -> code_options -> code_options
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  val code_options_of : theory -> code_options
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  val map_code_options : (code_options -> code_options) -> theory -> theory
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  val prolog_system: string Config.T
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  val prolog_timeout: real Config.T
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  datatype arith_op = Plus | Minus
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  datatype prol_term = Var of string | Cons of string | AppF of string * prol_term list
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    | Number of int | ArithOp of arith_op * prol_term list;
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  datatype prem = Conj of prem list
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    | Rel of string * prol_term list | NotRel of string * prol_term list
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    | Eq of prol_term * prol_term | NotEq of prol_term * prol_term
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    | ArithEq of prol_term * prol_term | NotArithEq of prol_term * prol_term
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    | Ground of string * typ;
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  type clause = ((string * prol_term list) * prem);
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  type logic_program = clause list;
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  type constant_table = (string * string) list
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  val generate : Predicate_Compile_Aux.mode option * bool ->
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    Proof.context -> string -> (logic_program * constant_table)
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  val write_program : logic_program -> string
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  val run : Proof.context -> logic_program -> (string * prol_term list) ->
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    string list -> int option -> prol_term list list
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  val active : bool Config.T
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  val test_goals :
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    Proof.context -> bool -> (string * typ) list -> (term * term list) list ->
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      Quickcheck.result list
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  val trace : bool Unsynchronized.ref
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  val replace : ((string * string) * string) -> logic_program -> logic_program
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end;
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structure Code_Prolog : CODE_PROLOG =
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struct
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(* diagnostic tracing *)
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val trace = Unsynchronized.ref false
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fun tracing s = if !trace then Output.tracing s else ()
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(* code generation options *)
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type code_options =
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  {ensure_groundness : bool,
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   limit_globally : int option,
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   limited_types : (typ * int) list,
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   limited_predicates : (string list * int) list,
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   replacing : ((string * string) * string) list,
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   manual_reorder : ((string * int) * int list) list}
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fun set_ensure_groundness {ensure_groundness, limit_globally, limited_types, limited_predicates,
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  replacing, manual_reorder} =
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  {ensure_groundness = true, limit_globally = limit_globally, limited_types = limited_types,
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   limited_predicates = limited_predicates, replacing = replacing,
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   manual_reorder = manual_reorder}
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fun map_limit_predicates f {ensure_groundness, limit_globally, limited_types, limited_predicates,
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  replacing, manual_reorder} =
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  {ensure_groundness = ensure_groundness, limit_globally = limit_globally,
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   limited_types = limited_types, limited_predicates = f limited_predicates,
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   replacing = replacing, manual_reorder = manual_reorder}
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fun merge_global_limit (NONE, NONE) = NONE
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  | merge_global_limit (NONE, SOME n) = SOME n
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  | merge_global_limit (SOME n, NONE) = SOME n
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  | merge_global_limit (SOME n, SOME m) = SOME (Int.max (n, m))  (* FIXME odd merge *)
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structure Options = Theory_Data
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(
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  type T = code_options
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  val empty = {ensure_groundness = false, limit_globally = NONE,
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    limited_types = [], limited_predicates = [], replacing = [], manual_reorder = []}
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  val extend = I;
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  fun merge
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    ({ensure_groundness = ensure_groundness1, limit_globally = limit_globally1,
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      limited_types = limited_types1, limited_predicates = limited_predicates1,
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      replacing = replacing1, manual_reorder = manual_reorder1},
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     {ensure_groundness = ensure_groundness2, limit_globally = limit_globally2,
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      limited_types = limited_types2, limited_predicates = limited_predicates2,
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      replacing = replacing2, manual_reorder = manual_reorder2}) =
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    {ensure_groundness = ensure_groundness1 orelse ensure_groundness2 (* FIXME odd merge *),
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     limit_globally = merge_global_limit (limit_globally1, limit_globally2),
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     limited_types = AList.merge (op =) (K true) (limited_types1, limited_types2),
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     limited_predicates = AList.merge (op =) (K true) (limited_predicates1, limited_predicates2),
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     manual_reorder = AList.merge (op =) (K true) (manual_reorder1, manual_reorder2),
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     replacing = Library.merge (op =) (replacing1, replacing2)};
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);
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val code_options_of = Options.get
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val map_code_options = Options.map
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(* system configuration *)
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datatype prolog_system = SWI_PROLOG | YAP
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fun string_of_system SWI_PROLOG = "swiprolog"
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  | string_of_system YAP = "yap"
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val prolog_system = Attrib.setup_config_string @{binding prolog_system} (K "swiprolog")
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fun get_prolog_system ctxt =
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  (case Config.get ctxt prolog_system of
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    "swiprolog" => SWI_PROLOG
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  | "yap" => YAP
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  | name => error ("Bad prolog system: " ^ quote name ^ " (\"swiprolog\" or \"yap\" expected)"))
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val prolog_timeout = Attrib.setup_config_real @{binding prolog_timeout} (K 10.0)
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fun get_prolog_timeout ctxt = seconds (Config.get ctxt prolog_timeout)
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(* internal program representation *)
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datatype arith_op = Plus | Minus
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datatype prol_term = Var of string | Cons of string | AppF of string * prol_term list
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  | Number of int | ArithOp of arith_op * prol_term list;
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fun dest_Var (Var v) = v
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fun add_vars (Var v) = insert (op =) v
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  | add_vars (ArithOp (_, ts)) = fold add_vars ts
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  | add_vars (AppF (_, ts)) = fold add_vars ts
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  | add_vars _ = I
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fun map_vars f (Var v) = Var (f v)
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  | map_vars f (ArithOp (opr, ts)) = ArithOp (opr, map (map_vars f) ts)
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  | map_vars f (AppF (fs, ts)) = AppF (fs, map (map_vars f) ts)
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  | map_vars f t = t
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fun maybe_AppF (c, []) = Cons c
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  | maybe_AppF (c, xs) = AppF (c, xs)
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fun is_Var (Var _) = true
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  | is_Var _ = false
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fun is_arith_term (Var _) = true
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  | is_arith_term (Number _) = true
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  | is_arith_term (ArithOp (_, operands)) = forall is_arith_term operands
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  | is_arith_term _ = false
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fun string_of_prol_term (Var s) = "Var " ^ s
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  | string_of_prol_term (Cons s) = "Cons " ^ s
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  | string_of_prol_term (AppF (f, args)) = f ^ "(" ^ commas (map string_of_prol_term args) ^ ")"
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  | string_of_prol_term (Number n) = "Number " ^ string_of_int n
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datatype prem = Conj of prem list
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  | Rel of string * prol_term list | NotRel of string * prol_term list
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  | Eq of prol_term * prol_term | NotEq of prol_term * prol_term
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  | ArithEq of prol_term * prol_term | NotArithEq of prol_term * prol_term
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  | Ground of string * typ;
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fun dest_Rel (Rel (c, ts)) = (c, ts)
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fun map_term_prem f (Conj prems) = Conj (map (map_term_prem f) prems)
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  | map_term_prem f (Rel (r, ts)) = Rel (r, map f ts)
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  | map_term_prem f (NotRel (r, ts)) = NotRel (r, map f ts)
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  | map_term_prem f (Eq (l, r)) = Eq (f l, f r)
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  | map_term_prem f (NotEq (l, r)) = NotEq (f l, f r)
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  | map_term_prem f (ArithEq (l, r)) = ArithEq (f l, f r)
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  | map_term_prem f (NotArithEq (l, r)) = NotArithEq (f l, f r)
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  | map_term_prem f (Ground (v, T)) = Ground (dest_Var (f (Var v)), T)
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fun fold_prem_terms f (Conj prems) = fold (fold_prem_terms f) prems
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  | fold_prem_terms f (Rel (_, ts)) = fold f ts
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  | fold_prem_terms f (NotRel (_, ts)) = fold f ts
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  | fold_prem_terms f (Eq (l, r)) = f l #> f r
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  | fold_prem_terms f (NotEq (l, r)) = f l #> f r
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  | fold_prem_terms f (ArithEq (l, r)) = f l #> f r
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  | fold_prem_terms f (NotArithEq (l, r)) = f l #> f r
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  | fold_prem_terms f (Ground (v, T)) = f (Var v)
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type clause = ((string * prol_term list) * prem);
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type logic_program = clause list;
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(* translation from introduction rules to internal representation *)
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fun mk_conform f empty avoid name =
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  let
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    fun dest_Char (Symbol.Char c) = c
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    val name' = space_implode "" (map (dest_Char o Symbol.decode)
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      (filter (fn s => Symbol.is_ascii_letter s orelse Symbol.is_ascii_digit s)
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        (Symbol.explode name)))
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    val name'' = f (if name' = "" then empty else name')
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  in if member (op =) avoid name'' then singleton (Name.variant_list avoid) name'' else name'' end
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(** constant table **)
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type constant_table = (string * string) list
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fun declare_consts consts constant_table =
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  let
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    fun update' c table =
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      if AList.defined (op =) table c then table else
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        let
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          val c' = mk_conform (Name.enforce_case false) "pred" (map snd table) (Long_Name.base_name c)
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        in
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          AList.update (op =) (c, c') table
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        end
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  in
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    fold update' consts constant_table
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  end
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fun translate_const constant_table c =
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  (case AList.lookup (op =) constant_table c of
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    SOME c' => c'
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  | NONE => error ("No such constant: " ^ c))
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fun inv_lookup _ [] _ = NONE
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  | inv_lookup eq ((key, value)::xs) value' =
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      if eq (value', value) then SOME key
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      else inv_lookup eq xs value'
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fun restore_const constant_table c =
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  (case inv_lookup (op =) constant_table c of
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    SOME c' => c'
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  | NONE => error ("No constant corresponding to "  ^ c))
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(** translation of terms, literals, premises, and clauses **)
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fun translate_arith_const @{const_name "Groups.plus_class.plus"} = SOME Plus
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  | translate_arith_const @{const_name "Groups.minus_class.minus"} = SOME Minus
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  | translate_arith_const _ = NONE
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fun mk_nat_term constant_table n =
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  let
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    val zero = translate_const constant_table @{const_name "Groups.zero_class.zero"}
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    val Suc = translate_const constant_table @{const_name "Suc"}
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  in funpow n (fn t => AppF (Suc, [t])) (Cons zero) end
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fun translate_term ctxt constant_table t =
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  (case try HOLogic.dest_number t of
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    SOME (@{typ "int"}, n) => Number n
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  | SOME (@{typ "nat"}, n) => mk_nat_term constant_table n
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  | NONE =>
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      (case strip_comb t of
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        (Free (v, T), []) => Var v
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      | (Const (c, _), []) => Cons (translate_const constant_table c)
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      | (Const (c, _), args) =>
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          (case translate_arith_const c of
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            SOME aop => ArithOp (aop, map (translate_term ctxt constant_table) args)
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          | NONE =>
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              AppF (translate_const constant_table c, map (translate_term ctxt constant_table) args))
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      | _ => error ("illegal term for translation: " ^ Syntax.string_of_term ctxt t)))
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fun translate_literal ctxt constant_table t =
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  (case strip_comb t of
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    (Const (@{const_name HOL.eq}, _), [l, r]) =>
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      let
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        val l' = translate_term ctxt constant_table l
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        val r' = translate_term ctxt constant_table r
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      in
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        (if is_Var l' andalso is_arith_term r' andalso not (is_Var r') then ArithEq else Eq)
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          (l', r')
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      end
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  | (Const (c, _), args) =>
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      Rel (translate_const constant_table c, map (translate_term ctxt constant_table) args)
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  | _ => error ("illegal literal for translation: " ^ Syntax.string_of_term ctxt t))
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fun NegRel_of (Rel lit) = NotRel lit
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  | NegRel_of (Eq eq) = NotEq eq
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  | NegRel_of (ArithEq eq) = NotArithEq eq
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fun mk_groundness_prems t = map Ground (Term.add_frees t [])
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fun translate_prem ensure_groundness ctxt constant_table t =
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  (case try HOLogic.dest_not t of
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    SOME t =>
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      if ensure_groundness then
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        Conj (mk_groundness_prems t @ [NegRel_of (translate_literal ctxt constant_table t)])
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      else
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        NegRel_of (translate_literal ctxt constant_table t)
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  | NONE => translate_literal ctxt constant_table t)
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fun imp_prems_conv cv ct =
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  (case Thm.term_of ct of
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    Const (@{const_name Pure.imp}, _) $ _ $ _ =>
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      Conv.combination_conv (Conv.arg_conv cv) (imp_prems_conv cv) ct
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  | _ => Conv.all_conv ct)
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fun preprocess_intro thy rule =
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  Conv.fconv_rule
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    (imp_prems_conv
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      (HOLogic.Trueprop_conv (Conv.try_conv (Conv.rewr_conv @{thm Predicate.eq_is_eq}))))
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    (Thm.transfer thy rule)
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fun translate_intros ensure_groundness ctxt gr const constant_table =
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  let
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    val intros = map (preprocess_intro (Proof_Context.theory_of ctxt)) (Graph.get_node gr const)
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    val (intros', ctxt') = Variable.import_terms true (map Thm.prop_of intros) ctxt
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    val constant_table' = declare_consts (fold Term.add_const_names intros' []) constant_table
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    fun translate_intro intro =
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      let
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        val head = HOLogic.dest_Trueprop (Logic.strip_imp_concl intro)
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        val prems = map HOLogic.dest_Trueprop (Logic.strip_imp_prems intro)
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        val prems' = Conj (map (translate_prem ensure_groundness ctxt' constant_table') prems)
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        val clause = (dest_Rel (translate_literal ctxt' constant_table' head), prems')
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      in clause end
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  in
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    (map translate_intro intros', constant_table')
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  end
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fun depending_preds_of (key, intros) =
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  fold Term.add_const_names (map Thm.prop_of intros) []
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fun add_edges edges_of key G =
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  let
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    fun extend' key (G, visited) =
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      (case try (Graph.get_node G) key of
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        SOME v =>
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          let
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            val new_edges = filter (fn k => is_some (try (Graph.get_node G) k)) (edges_of (key, v))
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            val (G', visited') = fold extend'
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              (subtract (op =) (key :: visited) new_edges) (G, key :: visited)
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          in
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            (fold (Graph.add_edge o (pair key)) new_edges G', visited')
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          end
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      | NONE => (G, visited))
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  in
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    fst (extend' key (G, []))
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  end
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fun print_intros ctxt gr consts =
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  tracing (cat_lines (map (fn const =>
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    "Constant " ^ const ^ "has intros:\n" ^
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    cat_lines (map (Thm.string_of_thm ctxt) (Graph.get_node gr const))) consts))
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(* translation of moded predicates *)
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(** generating graph of moded predicates **)
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(* could be moved to Predicate_Compile_Core *)
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fun requires_modes polarity cls =
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  let
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    fun req_mode_of pol (t, derivation) =
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      (case fst (strip_comb t) of
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        Const (c, _) => SOME (c, (pol, Predicate_Compile_Core.head_mode_of derivation))
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      | _ => NONE)
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    fun req (Predicate_Compile_Aux.Prem t, derivation) =
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          req_mode_of polarity (t, derivation)
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      | req (Predicate_Compile_Aux.Negprem t, derivation) =
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          req_mode_of (not polarity) (t, derivation)
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      | req _ = NONE
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  in
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    maps (fn (_, prems) => map_filter req prems) cls
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  end
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structure Mode_Graph =
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  Graph(
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    type key = string * (bool * Predicate_Compile_Aux.mode)
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    val ord = prod_ord fast_string_ord (prod_ord bool_ord Predicate_Compile_Aux.mode_ord)
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  )
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fun mk_moded_clauses_graph ctxt scc gr =
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  let
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    val options = Predicate_Compile_Aux.default_options
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    val mode_analysis_options =
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      {use_generators = true, reorder_premises = true, infer_pos_and_neg_modes = true}
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    fun infer prednames (gr, (pos_modes, neg_modes, random)) =
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      let
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        val (lookup_modes, lookup_neg_modes, needs_random) =
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          ((fn s => the (AList.lookup (op =) pos_modes s)),
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           (fn s => the (AList.lookup (op =) neg_modes s)),
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           (fn s => member (op =) (the (AList.lookup (op =) random s))))
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        val (preds, all_vs, param_vs, all_modes, clauses) =
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          Predicate_Compile_Core.prepare_intrs options ctxt prednames
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            (maps (Core_Data.intros_of ctxt) prednames)
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        val ((moded_clauses, random'), _) =
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          Mode_Inference.infer_modes mode_analysis_options options
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            (lookup_modes, lookup_neg_modes, needs_random) ctxt preds all_modes param_vs clauses
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        val modes = map (fn (p, mps) => (p, map fst mps)) moded_clauses
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        val pos_modes' = map (apsnd (map_filter (fn (true, m) => SOME m | _ => NONE))) modes
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        val neg_modes' = map (apsnd (map_filter (fn (false, m) => SOME m | _ => NONE))) modes
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        val _ =
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          tracing ("Inferred modes:\n" ^
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            cat_lines (map (fn (s, ms) => s ^ ": " ^ commas (map
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              (fn (p, m) =>
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                Predicate_Compile_Aux.string_of_mode m ^ (if p then "pos" else "neg")) ms)) modes))
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        val gr' = gr
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          |> fold (fn (p, mps) => fold (fn (mode, cls) =>
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                Mode_Graph.new_node ((p, mode), cls)) mps)
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            moded_clauses
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          |> fold (fn (p, mps) => fold (fn (mode, cls) => fold (fn req =>
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              Mode_Graph.add_edge ((p, mode), req)) (requires_modes (fst mode) cls)) mps)
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            moded_clauses
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      in
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        (gr', (AList.merge (op =) (op =) (pos_modes, pos_modes'),
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          AList.merge (op =) (op =) (neg_modes, neg_modes'),
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          AList.merge (op =) (op =) (random, random')))
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   423
      end
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  in
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   425
    fst (fold infer (rev scc) (Mode_Graph.empty, ([], [], [])))
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  end
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diff changeset
   427
0ed0f015d140 adding mode inference to prolog compilation; separate between (ad-hoc) code modifications and system_configuration; adapting quickcheck
bulwahn
parents: 39383
diff changeset
   428
fun declare_moded_predicate moded_preds table =
0ed0f015d140 adding mode inference to prolog compilation; separate between (ad-hoc) code modifications and system_configuration; adapting quickcheck
bulwahn
parents: 39383
diff changeset
   429
  let
0ed0f015d140 adding mode inference to prolog compilation; separate between (ad-hoc) code modifications and system_configuration; adapting quickcheck
bulwahn
parents: 39383
diff changeset
   430
    fun update' (p as (pred, (pol, mode))) table =
0ed0f015d140 adding mode inference to prolog compilation; separate between (ad-hoc) code modifications and system_configuration; adapting quickcheck
bulwahn
parents: 39383
diff changeset
   431
      if AList.defined (op =) table p then table else
0ed0f015d140 adding mode inference to prolog compilation; separate between (ad-hoc) code modifications and system_configuration; adapting quickcheck
bulwahn
parents: 39383
diff changeset
   432
        let
0ed0f015d140 adding mode inference to prolog compilation; separate between (ad-hoc) code modifications and system_configuration; adapting quickcheck
bulwahn
parents: 39383
diff changeset
   433
          val name = Long_Name.base_name pred ^ (if pol then "p" else "n")
0ed0f015d140 adding mode inference to prolog compilation; separate between (ad-hoc) code modifications and system_configuration; adapting quickcheck
bulwahn
parents: 39383
diff changeset
   434
            ^ Predicate_Compile_Aux.ascii_string_of_mode mode
56812
baef1c110f12 centralized upper/lowercase name mangling
haftmann
parents: 56245
diff changeset
   435
          val p' = mk_conform (Name.enforce_case false) "pred" (map snd table) name
39461
0ed0f015d140 adding mode inference to prolog compilation; separate between (ad-hoc) code modifications and system_configuration; adapting quickcheck
bulwahn
parents: 39383
diff changeset
   436
        in
0ed0f015d140 adding mode inference to prolog compilation; separate between (ad-hoc) code modifications and system_configuration; adapting quickcheck
bulwahn
parents: 39383
diff changeset
   437
          AList.update (op =) (p, p') table
0ed0f015d140 adding mode inference to prolog compilation; separate between (ad-hoc) code modifications and system_configuration; adapting quickcheck
bulwahn
parents: 39383
diff changeset
   438
        end
0ed0f015d140 adding mode inference to prolog compilation; separate between (ad-hoc) code modifications and system_configuration; adapting quickcheck
bulwahn
parents: 39383
diff changeset
   439
  in
0ed0f015d140 adding mode inference to prolog compilation; separate between (ad-hoc) code modifications and system_configuration; adapting quickcheck
bulwahn
parents: 39383
diff changeset
   440
    fold update' moded_preds table
0ed0f015d140 adding mode inference to prolog compilation; separate between (ad-hoc) code modifications and system_configuration; adapting quickcheck
bulwahn
parents: 39383
diff changeset
   441
  end
0ed0f015d140 adding mode inference to prolog compilation; separate between (ad-hoc) code modifications and system_configuration; adapting quickcheck
bulwahn
parents: 39383
diff changeset
   442
0ed0f015d140 adding mode inference to prolog compilation; separate between (ad-hoc) code modifications and system_configuration; adapting quickcheck
bulwahn
parents: 39383
diff changeset
   443
fun mk_program ctxt moded_gr moded_preds (prog, (moded_pred_table, constant_table)) =
0ed0f015d140 adding mode inference to prolog compilation; separate between (ad-hoc) code modifications and system_configuration; adapting quickcheck
bulwahn
parents: 39383
diff changeset
   444
  let
0ed0f015d140 adding mode inference to prolog compilation; separate between (ad-hoc) code modifications and system_configuration; adapting quickcheck
bulwahn
parents: 39383
diff changeset
   445
    val moded_pred_table' = declare_moded_predicate moded_preds moded_pred_table
0ed0f015d140 adding mode inference to prolog compilation; separate between (ad-hoc) code modifications and system_configuration; adapting quickcheck
bulwahn
parents: 39383
diff changeset
   446
    fun mk_literal pol derivation constant_table' t =
0ed0f015d140 adding mode inference to prolog compilation; separate between (ad-hoc) code modifications and system_configuration; adapting quickcheck
bulwahn
parents: 39383
diff changeset
   447
      let
0ed0f015d140 adding mode inference to prolog compilation; separate between (ad-hoc) code modifications and system_configuration; adapting quickcheck
bulwahn
parents: 39383
diff changeset
   448
        val (p, args) = strip_comb t
55437
3fd63b92ea3b tuned whitespace;
wenzelm
parents: 52788
diff changeset
   449
        val mode = Predicate_Compile_Core.head_mode_of derivation
39461
0ed0f015d140 adding mode inference to prolog compilation; separate between (ad-hoc) code modifications and system_configuration; adapting quickcheck
bulwahn
parents: 39383
diff changeset
   450
        val name = fst (dest_Const p)
55437
3fd63b92ea3b tuned whitespace;
wenzelm
parents: 52788
diff changeset
   451
39461
0ed0f015d140 adding mode inference to prolog compilation; separate between (ad-hoc) code modifications and system_configuration; adapting quickcheck
bulwahn
parents: 39383
diff changeset
   452
        val p' = the (AList.lookup (op =) moded_pred_table' (name, (pol, mode)))
0ed0f015d140 adding mode inference to prolog compilation; separate between (ad-hoc) code modifications and system_configuration; adapting quickcheck
bulwahn
parents: 39383
diff changeset
   453
        val args' = map (translate_term ctxt constant_table') args
0ed0f015d140 adding mode inference to prolog compilation; separate between (ad-hoc) code modifications and system_configuration; adapting quickcheck
bulwahn
parents: 39383
diff changeset
   454
      in
0ed0f015d140 adding mode inference to prolog compilation; separate between (ad-hoc) code modifications and system_configuration; adapting quickcheck
bulwahn
parents: 39383
diff changeset
   455
        Rel (p', args')
0ed0f015d140 adding mode inference to prolog compilation; separate between (ad-hoc) code modifications and system_configuration; adapting quickcheck
bulwahn
parents: 39383
diff changeset
   456
      end
0ed0f015d140 adding mode inference to prolog compilation; separate between (ad-hoc) code modifications and system_configuration; adapting quickcheck
bulwahn
parents: 39383
diff changeset
   457
    fun mk_prem pol (indprem, derivation) constant_table =
55437
3fd63b92ea3b tuned whitespace;
wenzelm
parents: 52788
diff changeset
   458
      (case indprem of
39461
0ed0f015d140 adding mode inference to prolog compilation; separate between (ad-hoc) code modifications and system_configuration; adapting quickcheck
bulwahn
parents: 39383
diff changeset
   459
        Predicate_Compile_Aux.Generator (s, T) => (Ground (s, T), constant_table)
0ed0f015d140 adding mode inference to prolog compilation; separate between (ad-hoc) code modifications and system_configuration; adapting quickcheck
bulwahn
parents: 39383
diff changeset
   460
      | _ =>
55437
3fd63b92ea3b tuned whitespace;
wenzelm
parents: 52788
diff changeset
   461
        declare_consts (Term.add_const_names (Predicate_Compile_Aux.dest_indprem indprem) [])
3fd63b92ea3b tuned whitespace;
wenzelm
parents: 52788
diff changeset
   462
          constant_table
39461
0ed0f015d140 adding mode inference to prolog compilation; separate between (ad-hoc) code modifications and system_configuration; adapting quickcheck
bulwahn
parents: 39383
diff changeset
   463
        |> (fn constant_table' =>
0ed0f015d140 adding mode inference to prolog compilation; separate between (ad-hoc) code modifications and system_configuration; adapting quickcheck
bulwahn
parents: 39383
diff changeset
   464
          (case indprem of Predicate_Compile_Aux.Negprem t =>
0ed0f015d140 adding mode inference to prolog compilation; separate between (ad-hoc) code modifications and system_configuration; adapting quickcheck
bulwahn
parents: 39383
diff changeset
   465
            NegRel_of (mk_literal (not pol) derivation constant_table' t)
0ed0f015d140 adding mode inference to prolog compilation; separate between (ad-hoc) code modifications and system_configuration; adapting quickcheck
bulwahn
parents: 39383
diff changeset
   466
          | _ =>
55437
3fd63b92ea3b tuned whitespace;
wenzelm
parents: 52788
diff changeset
   467
            mk_literal pol derivation constant_table' (Predicate_Compile_Aux.dest_indprem indprem),
3fd63b92ea3b tuned whitespace;
wenzelm
parents: 52788
diff changeset
   468
              constant_table')))
39461
0ed0f015d140 adding mode inference to prolog compilation; separate between (ad-hoc) code modifications and system_configuration; adapting quickcheck
bulwahn
parents: 39383
diff changeset
   469
    fun mk_clause pred_name pol (ts, prems) (prog, constant_table) =
55437
3fd63b92ea3b tuned whitespace;
wenzelm
parents: 52788
diff changeset
   470
      let
3fd63b92ea3b tuned whitespace;
wenzelm
parents: 52788
diff changeset
   471
        val constant_table' = declare_consts (fold Term.add_const_names ts []) constant_table
3fd63b92ea3b tuned whitespace;
wenzelm
parents: 52788
diff changeset
   472
        val args = map (translate_term ctxt constant_table') ts
3fd63b92ea3b tuned whitespace;
wenzelm
parents: 52788
diff changeset
   473
        val (prems', constant_table'') = fold_map (mk_prem pol) prems constant_table'
3fd63b92ea3b tuned whitespace;
wenzelm
parents: 52788
diff changeset
   474
      in
3fd63b92ea3b tuned whitespace;
wenzelm
parents: 52788
diff changeset
   475
        (((pred_name, args), Conj prems') :: prog, constant_table'')
3fd63b92ea3b tuned whitespace;
wenzelm
parents: 52788
diff changeset
   476
      end
39461
0ed0f015d140 adding mode inference to prolog compilation; separate between (ad-hoc) code modifications and system_configuration; adapting quickcheck
bulwahn
parents: 39383
diff changeset
   477
    fun mk_clauses (pred, mode as (pol, _)) =
0ed0f015d140 adding mode inference to prolog compilation; separate between (ad-hoc) code modifications and system_configuration; adapting quickcheck
bulwahn
parents: 39383
diff changeset
   478
      let
0ed0f015d140 adding mode inference to prolog compilation; separate between (ad-hoc) code modifications and system_configuration; adapting quickcheck
bulwahn
parents: 39383
diff changeset
   479
        val clauses = Mode_Graph.get_node moded_gr (pred, mode)
0ed0f015d140 adding mode inference to prolog compilation; separate between (ad-hoc) code modifications and system_configuration; adapting quickcheck
bulwahn
parents: 39383
diff changeset
   480
        val pred_name = the (AList.lookup (op =) moded_pred_table' (pred, mode))
0ed0f015d140 adding mode inference to prolog compilation; separate between (ad-hoc) code modifications and system_configuration; adapting quickcheck
bulwahn
parents: 39383
diff changeset
   481
      in
0ed0f015d140 adding mode inference to prolog compilation; separate between (ad-hoc) code modifications and system_configuration; adapting quickcheck
bulwahn
parents: 39383
diff changeset
   482
        fold (mk_clause pred_name pol) clauses
0ed0f015d140 adding mode inference to prolog compilation; separate between (ad-hoc) code modifications and system_configuration; adapting quickcheck
bulwahn
parents: 39383
diff changeset
   483
      end
0ed0f015d140 adding mode inference to prolog compilation; separate between (ad-hoc) code modifications and system_configuration; adapting quickcheck
bulwahn
parents: 39383
diff changeset
   484
  in
0ed0f015d140 adding mode inference to prolog compilation; separate between (ad-hoc) code modifications and system_configuration; adapting quickcheck
bulwahn
parents: 39383
diff changeset
   485
    apsnd (pair moded_pred_table') (fold mk_clauses moded_preds (prog, constant_table))
0ed0f015d140 adding mode inference to prolog compilation; separate between (ad-hoc) code modifications and system_configuration; adapting quickcheck
bulwahn
parents: 39383
diff changeset
   486
  end
0ed0f015d140 adding mode inference to prolog compilation; separate between (ad-hoc) code modifications and system_configuration; adapting quickcheck
bulwahn
parents: 39383
diff changeset
   487
0ed0f015d140 adding mode inference to prolog compilation; separate between (ad-hoc) code modifications and system_configuration; adapting quickcheck
bulwahn
parents: 39383
diff changeset
   488
fun generate (use_modes, ensure_groundness) ctxt const =
55437
3fd63b92ea3b tuned whitespace;
wenzelm
parents: 52788
diff changeset
   489
  let
38731
2c8a595af43e invocation of values for prolog execution does not require invocation of code_pred anymore
bulwahn
parents: 38729
diff changeset
   490
    fun strong_conn_of gr keys =
46614
165886a4fe64 clarified Graph.restrict (formerly Graph.subgraph) based on public graph operations;
wenzelm
parents: 45750
diff changeset
   491
      Graph.strong_conn (Graph.restrict (member (op =) (Graph.all_succs gr keys)) gr)
40054
cd7b1fa20bce adapting alternative_defs, predicate_compile_quickcheck, examples and code_prolog
bulwahn
parents: 39798
diff changeset
   492
    val gr = Core_Data.intros_graph_of ctxt
38731
2c8a595af43e invocation of values for prolog execution does not require invocation of code_pred anymore
bulwahn
parents: 38729
diff changeset
   493
    val gr' = add_edges depending_preds_of const gr
2c8a595af43e invocation of values for prolog execution does not require invocation of code_pred anymore
bulwahn
parents: 38729
diff changeset
   494
    val scc = strong_conn_of gr' [const]
55437
3fd63b92ea3b tuned whitespace;
wenzelm
parents: 52788
diff changeset
   495
    val initial_constant_table =
39461
0ed0f015d140 adding mode inference to prolog compilation; separate between (ad-hoc) code modifications and system_configuration; adapting quickcheck
bulwahn
parents: 39383
diff changeset
   496
      declare_consts [@{const_name "Groups.zero_class.zero"}, @{const_name "Suc"}] []
38073
64062d56ad3c adding a mockup version for prolog code generation
bulwahn
parents:
diff changeset
   497
  in
55437
3fd63b92ea3b tuned whitespace;
wenzelm
parents: 52788
diff changeset
   498
    (case use_modes of
39461
0ed0f015d140 adding mode inference to prolog compilation; separate between (ad-hoc) code modifications and system_configuration; adapting quickcheck
bulwahn
parents: 39383
diff changeset
   499
      SOME mode =>
0ed0f015d140 adding mode inference to prolog compilation; separate between (ad-hoc) code modifications and system_configuration; adapting quickcheck
bulwahn
parents: 39383
diff changeset
   500
        let
0ed0f015d140 adding mode inference to prolog compilation; separate between (ad-hoc) code modifications and system_configuration; adapting quickcheck
bulwahn
parents: 39383
diff changeset
   501
          val moded_gr = mk_moded_clauses_graph ctxt scc gr
46614
165886a4fe64 clarified Graph.restrict (formerly Graph.subgraph) based on public graph operations;
wenzelm
parents: 45750
diff changeset
   502
          val moded_gr' = Mode_Graph.restrict
39461
0ed0f015d140 adding mode inference to prolog compilation; separate between (ad-hoc) code modifications and system_configuration; adapting quickcheck
bulwahn
parents: 39383
diff changeset
   503
            (member (op =) (Mode_Graph.all_succs moded_gr [(const, (true, mode))])) moded_gr
55437
3fd63b92ea3b tuned whitespace;
wenzelm
parents: 52788
diff changeset
   504
          val scc = Mode_Graph.strong_conn moded_gr'
39461
0ed0f015d140 adding mode inference to prolog compilation; separate between (ad-hoc) code modifications and system_configuration; adapting quickcheck
bulwahn
parents: 39383
diff changeset
   505
        in
0ed0f015d140 adding mode inference to prolog compilation; separate between (ad-hoc) code modifications and system_configuration; adapting quickcheck
bulwahn
parents: 39383
diff changeset
   506
          apfst rev (apsnd snd
0ed0f015d140 adding mode inference to prolog compilation; separate between (ad-hoc) code modifications and system_configuration; adapting quickcheck
bulwahn
parents: 39383
diff changeset
   507
            (fold (mk_program ctxt moded_gr') (rev scc) ([], ([], initial_constant_table))))
0ed0f015d140 adding mode inference to prolog compilation; separate between (ad-hoc) code modifications and system_configuration; adapting quickcheck
bulwahn
parents: 39383
diff changeset
   508
        end
55437
3fd63b92ea3b tuned whitespace;
wenzelm
parents: 52788
diff changeset
   509
    | NONE =>
3fd63b92ea3b tuned whitespace;
wenzelm
parents: 52788
diff changeset
   510
        let
39461
0ed0f015d140 adding mode inference to prolog compilation; separate between (ad-hoc) code modifications and system_configuration; adapting quickcheck
bulwahn
parents: 39383
diff changeset
   511
          val _ = print_intros ctxt gr (flat scc)
0ed0f015d140 adding mode inference to prolog compilation; separate between (ad-hoc) code modifications and system_configuration; adapting quickcheck
bulwahn
parents: 39383
diff changeset
   512
          val constant_table = declare_consts (flat scc) initial_constant_table
0ed0f015d140 adding mode inference to prolog compilation; separate between (ad-hoc) code modifications and system_configuration; adapting quickcheck
bulwahn
parents: 39383
diff changeset
   513
        in
55437
3fd63b92ea3b tuned whitespace;
wenzelm
parents: 52788
diff changeset
   514
          apfst flat
3fd63b92ea3b tuned whitespace;
wenzelm
parents: 52788
diff changeset
   515
            (fold_map (translate_intros ensure_groundness ctxt gr) (flat scc) constant_table)
3fd63b92ea3b tuned whitespace;
wenzelm
parents: 52788
diff changeset
   516
        end)
38073
64062d56ad3c adding a mockup version for prolog code generation
bulwahn
parents:
diff changeset
   517
  end
55437
3fd63b92ea3b tuned whitespace;
wenzelm
parents: 52788
diff changeset
   518
3fd63b92ea3b tuned whitespace;
wenzelm
parents: 52788
diff changeset
   519
38789
d171840881fd added generation of predicates for size-limited enumeration of values
bulwahn
parents: 38735
diff changeset
   520
(* implementation for fully enumerating predicates and
d171840881fd added generation of predicates for size-limited enumeration of values
bulwahn
parents: 38735
diff changeset
   521
  for size-limited predicates for enumerating the values of a datatype upto a specific size *)
38073
64062d56ad3c adding a mockup version for prolog code generation
bulwahn
parents:
diff changeset
   522
38727
c7f5f0b7dc7f adding very basic transformation to ensure groundness before negations
bulwahn
parents: 38558
diff changeset
   523
fun add_ground_typ (Conj prems) = fold add_ground_typ prems
c7f5f0b7dc7f adding very basic transformation to ensure groundness before negations
bulwahn
parents: 38558
diff changeset
   524
  | add_ground_typ (Ground (_, T)) = insert (op =) T
c7f5f0b7dc7f adding very basic transformation to ensure groundness before negations
bulwahn
parents: 38558
diff changeset
   525
  | add_ground_typ _ = I
38073
64062d56ad3c adding a mockup version for prolog code generation
bulwahn
parents:
diff changeset
   526
38728
182b180e9804 improving ensure_groundness in prolog generation; added further example
bulwahn
parents: 38727
diff changeset
   527
fun mk_relname (Type (Tcon, Targs)) =
56812
baef1c110f12 centralized upper/lowercase name mangling
haftmann
parents: 56245
diff changeset
   528
      Name.enforce_case false (Long_Name.base_name Tcon) ^ space_implode "_" (map mk_relname Targs)
38728
182b180e9804 improving ensure_groundness in prolog generation; added further example
bulwahn
parents: 38727
diff changeset
   529
  | mk_relname _ = raise Fail "unexpected type"
182b180e9804 improving ensure_groundness in prolog generation; added further example
bulwahn
parents: 38727
diff changeset
   530
38789
d171840881fd added generation of predicates for size-limited enumeration of values
bulwahn
parents: 38735
diff changeset
   531
fun mk_lim_relname T = "lim_" ^  mk_relname T
d171840881fd added generation of predicates for size-limited enumeration of values
bulwahn
parents: 38735
diff changeset
   532
d171840881fd added generation of predicates for size-limited enumeration of values
bulwahn
parents: 38735
diff changeset
   533
fun is_recursive_constr T (Const (constr_name, T')) = member (op =) (binder_types T') T
55437
3fd63b92ea3b tuned whitespace;
wenzelm
parents: 52788
diff changeset
   534
38789
d171840881fd added generation of predicates for size-limited enumeration of values
bulwahn
parents: 38735
diff changeset
   535
fun mk_ground_impl ctxt limited_types (T as Type (Tcon, Targs)) (seen, constant_table) =
38728
182b180e9804 improving ensure_groundness in prolog generation; added further example
bulwahn
parents: 38727
diff changeset
   536
  if member (op =) seen T then ([], (seen, constant_table))
182b180e9804 improving ensure_groundness in prolog generation; added further example
bulwahn
parents: 38727
diff changeset
   537
  else
182b180e9804 improving ensure_groundness in prolog generation; added further example
bulwahn
parents: 38727
diff changeset
   538
    let
55437
3fd63b92ea3b tuned whitespace;
wenzelm
parents: 52788
diff changeset
   539
      val (limited, size) =
3fd63b92ea3b tuned whitespace;
wenzelm
parents: 52788
diff changeset
   540
        (case AList.lookup (op =) limited_types T of
3fd63b92ea3b tuned whitespace;
wenzelm
parents: 52788
diff changeset
   541
          SOME s => (true, s)
3fd63b92ea3b tuned whitespace;
wenzelm
parents: 52788
diff changeset
   542
        | NONE => (false, 0))
38789
d171840881fd added generation of predicates for size-limited enumeration of values
bulwahn
parents: 38735
diff changeset
   543
      val rel_name = (if limited then mk_lim_relname else mk_relname) T
d171840881fd added generation of predicates for size-limited enumeration of values
bulwahn
parents: 38735
diff changeset
   544
      fun mk_impl (Const (constr_name, cT), recursive) (seen, constant_table) =
38727
c7f5f0b7dc7f adding very basic transformation to ensure groundness before negations
bulwahn
parents: 38558
diff changeset
   545
        let
c7f5f0b7dc7f adding very basic transformation to ensure groundness before negations
bulwahn
parents: 38558
diff changeset
   546
          val constant_table' = declare_consts [constr_name] constant_table
38789
d171840881fd added generation of predicates for size-limited enumeration of values
bulwahn
parents: 38735
diff changeset
   547
          val Ts = binder_types cT
38728
182b180e9804 improving ensure_groundness in prolog generation; added further example
bulwahn
parents: 38727
diff changeset
   548
          val (rec_clauses, (seen', constant_table'')) =
38789
d171840881fd added generation of predicates for size-limited enumeration of values
bulwahn
parents: 38735
diff changeset
   549
            fold_map (mk_ground_impl ctxt limited_types) Ts (seen, constant_table')
d171840881fd added generation of predicates for size-limited enumeration of values
bulwahn
parents: 38735
diff changeset
   550
          val vars = map (fn i => Var ("x" ^ string_of_int i)) (1 upto (length Ts))
d171840881fd added generation of predicates for size-limited enumeration of values
bulwahn
parents: 38735
diff changeset
   551
          val lim_var =
d171840881fd added generation of predicates for size-limited enumeration of values
bulwahn
parents: 38735
diff changeset
   552
            if limited then
55437
3fd63b92ea3b tuned whitespace;
wenzelm
parents: 52788
diff changeset
   553
              if recursive then [AppF ("suc", [Var "Lim"])]
38789
d171840881fd added generation of predicates for size-limited enumeration of values
bulwahn
parents: 38735
diff changeset
   554
              else [Var "Lim"]
55437
3fd63b92ea3b tuned whitespace;
wenzelm
parents: 52788
diff changeset
   555
            else []
38789
d171840881fd added generation of predicates for size-limited enumeration of values
bulwahn
parents: 38735
diff changeset
   556
          fun mk_prem v T' =
d171840881fd added generation of predicates for size-limited enumeration of values
bulwahn
parents: 38735
diff changeset
   557
            if limited andalso T' = T then Rel (mk_lim_relname T', [Var "Lim", v])
d171840881fd added generation of predicates for size-limited enumeration of values
bulwahn
parents: 38735
diff changeset
   558
            else Rel (mk_relname T', [v])
38728
182b180e9804 improving ensure_groundness in prolog generation; added further example
bulwahn
parents: 38727
diff changeset
   559
          val clause =
38789
d171840881fd added generation of predicates for size-limited enumeration of values
bulwahn
parents: 38735
diff changeset
   560
            ((rel_name, lim_var @ [maybe_AppF (translate_const constant_table'' constr_name, vars)]),
d171840881fd added generation of predicates for size-limited enumeration of values
bulwahn
parents: 38735
diff changeset
   561
             Conj (map2 mk_prem vars Ts))
38727
c7f5f0b7dc7f adding very basic transformation to ensure groundness before negations
bulwahn
parents: 38558
diff changeset
   562
        in
38728
182b180e9804 improving ensure_groundness in prolog generation; added further example
bulwahn
parents: 38727
diff changeset
   563
          (clause :: flat rec_clauses, (seen', constant_table''))
38727
c7f5f0b7dc7f adding very basic transformation to ensure groundness before negations
bulwahn
parents: 38558
diff changeset
   564
        end
55445
a76c679c0218 static repair of ML file -- untested (!) by default since 76965c356d2a;
wenzelm
parents: 55440
diff changeset
   565
      val constrs = Function_Lib.inst_constrs_of ctxt T
38789
d171840881fd added generation of predicates for size-limited enumeration of values
bulwahn
parents: 38735
diff changeset
   566
      val constrs' = (constrs ~~ map (is_recursive_constr T) constrs)
d171840881fd added generation of predicates for size-limited enumeration of values
bulwahn
parents: 38735
diff changeset
   567
        |> (fn cs => filter_out snd cs @ filter snd cs)
d171840881fd added generation of predicates for size-limited enumeration of values
bulwahn
parents: 38735
diff changeset
   568
      val (clauses, constant_table') =
d171840881fd added generation of predicates for size-limited enumeration of values
bulwahn
parents: 38735
diff changeset
   569
        apfst flat (fold_map mk_impl constrs' (T :: seen, constant_table))
d171840881fd added generation of predicates for size-limited enumeration of values
bulwahn
parents: 38735
diff changeset
   570
      val size_term = funpow size (fn t => AppF ("suc", [t])) (Cons "zero")
d171840881fd added generation of predicates for size-limited enumeration of values
bulwahn
parents: 38735
diff changeset
   571
    in
d171840881fd added generation of predicates for size-limited enumeration of values
bulwahn
parents: 38735
diff changeset
   572
      ((if limited then
d171840881fd added generation of predicates for size-limited enumeration of values
bulwahn
parents: 38735
diff changeset
   573
        cons ((mk_relname T, [Var "x"]), Rel (mk_lim_relname T, [size_term, Var "x"]))
d171840881fd added generation of predicates for size-limited enumeration of values
bulwahn
parents: 38735
diff changeset
   574
      else I) clauses, constant_table')
d171840881fd added generation of predicates for size-limited enumeration of values
bulwahn
parents: 38735
diff changeset
   575
    end
d171840881fd added generation of predicates for size-limited enumeration of values
bulwahn
parents: 38735
diff changeset
   576
 | mk_ground_impl ctxt _ T (seen, constant_table) =
38728
182b180e9804 improving ensure_groundness in prolog generation; added further example
bulwahn
parents: 38727
diff changeset
   577
   raise Fail ("unexpected type :" ^ Syntax.string_of_typ ctxt T)
182b180e9804 improving ensure_groundness in prolog generation; added further example
bulwahn
parents: 38727
diff changeset
   578
38727
c7f5f0b7dc7f adding very basic transformation to ensure groundness before negations
bulwahn
parents: 38558
diff changeset
   579
fun replace_ground (Conj prems) = Conj (map replace_ground prems)
38728
182b180e9804 improving ensure_groundness in prolog generation; added further example
bulwahn
parents: 38727
diff changeset
   580
  | replace_ground (Ground (x, T)) =
55437
3fd63b92ea3b tuned whitespace;
wenzelm
parents: 52788
diff changeset
   581
    Rel (mk_relname T, [Var x])
38727
c7f5f0b7dc7f adding very basic transformation to ensure groundness before negations
bulwahn
parents: 38558
diff changeset
   582
  | replace_ground p = p
55437
3fd63b92ea3b tuned whitespace;
wenzelm
parents: 52788
diff changeset
   583
38789
d171840881fd added generation of predicates for size-limited enumeration of values
bulwahn
parents: 38735
diff changeset
   584
fun add_ground_predicates ctxt limited_types (p, constant_table) =
38727
c7f5f0b7dc7f adding very basic transformation to ensure groundness before negations
bulwahn
parents: 38558
diff changeset
   585
  let
c7f5f0b7dc7f adding very basic transformation to ensure groundness before negations
bulwahn
parents: 38558
diff changeset
   586
    val ground_typs = fold (add_ground_typ o snd) p []
55437
3fd63b92ea3b tuned whitespace;
wenzelm
parents: 52788
diff changeset
   587
    val (grs, (_, constant_table')) =
3fd63b92ea3b tuned whitespace;
wenzelm
parents: 52788
diff changeset
   588
      fold_map (mk_ground_impl ctxt limited_types) ground_typs ([], constant_table)
38727
c7f5f0b7dc7f adding very basic transformation to ensure groundness before negations
bulwahn
parents: 38558
diff changeset
   589
    val p' = map (apsnd replace_ground) p
38073
64062d56ad3c adding a mockup version for prolog code generation
bulwahn
parents:
diff changeset
   590
  in
38727
c7f5f0b7dc7f adding very basic transformation to ensure groundness before negations
bulwahn
parents: 38558
diff changeset
   591
    ((flat grs) @ p', constant_table')
38073
64062d56ad3c adding a mockup version for prolog code generation
bulwahn
parents:
diff changeset
   592
  end
38789
d171840881fd added generation of predicates for size-limited enumeration of values
bulwahn
parents: 38735
diff changeset
   593
55437
3fd63b92ea3b tuned whitespace;
wenzelm
parents: 52788
diff changeset
   594
38947
6ed1cffd9d4e added quite adhoc logic program transformations limited_predicates and replacements of predicates
bulwahn
parents: 38864
diff changeset
   595
(* make depth-limited version of predicate *)
6ed1cffd9d4e added quite adhoc logic program transformations limited_predicates and replacements of predicates
bulwahn
parents: 38864
diff changeset
   596
6ed1cffd9d4e added quite adhoc logic program transformations limited_predicates and replacements of predicates
bulwahn
parents: 38864
diff changeset
   597
fun mk_lim_rel_name rel_name = "lim_" ^ rel_name
6ed1cffd9d4e added quite adhoc logic program transformations limited_predicates and replacements of predicates
bulwahn
parents: 38864
diff changeset
   598
38959
706ab66e3464 towards support of limited predicates for mutually recursive predicates
bulwahn
parents: 38958
diff changeset
   599
fun mk_depth_limited rel_names ((rel_name, ts), prem) =
38947
6ed1cffd9d4e added quite adhoc logic program transformations limited_predicates and replacements of predicates
bulwahn
parents: 38864
diff changeset
   600
  let
6ed1cffd9d4e added quite adhoc logic program transformations limited_predicates and replacements of predicates
bulwahn
parents: 38864
diff changeset
   601
    fun has_positive_recursive_prems (Conj prems) = exists has_positive_recursive_prems prems
38959
706ab66e3464 towards support of limited predicates for mutually recursive predicates
bulwahn
parents: 38958
diff changeset
   602
      | has_positive_recursive_prems (Rel (rel, ts)) = member (op =) rel_names rel
38947
6ed1cffd9d4e added quite adhoc logic program transformations limited_predicates and replacements of predicates
bulwahn
parents: 38864
diff changeset
   603
      | has_positive_recursive_prems _ = false
6ed1cffd9d4e added quite adhoc logic program transformations limited_predicates and replacements of predicates
bulwahn
parents: 38864
diff changeset
   604
    fun mk_lim_prem (Conj prems) = Conj (map mk_lim_prem prems)
6ed1cffd9d4e added quite adhoc logic program transformations limited_predicates and replacements of predicates
bulwahn
parents: 38864
diff changeset
   605
      | mk_lim_prem (p as Rel (rel, ts)) =
38959
706ab66e3464 towards support of limited predicates for mutually recursive predicates
bulwahn
parents: 38958
diff changeset
   606
        if member (op =) rel_names rel then Rel (mk_lim_rel_name rel, Var "Lim" :: ts) else p
38947
6ed1cffd9d4e added quite adhoc logic program transformations limited_predicates and replacements of predicates
bulwahn
parents: 38864
diff changeset
   607
      | mk_lim_prem p = p
6ed1cffd9d4e added quite adhoc logic program transformations limited_predicates and replacements of predicates
bulwahn
parents: 38864
diff changeset
   608
  in
6ed1cffd9d4e added quite adhoc logic program transformations limited_predicates and replacements of predicates
bulwahn
parents: 38864
diff changeset
   609
    if has_positive_recursive_prems prem then
6ed1cffd9d4e added quite adhoc logic program transformations limited_predicates and replacements of predicates
bulwahn
parents: 38864
diff changeset
   610
      ((mk_lim_rel_name rel_name, (AppF ("suc", [Var "Lim"]))  :: ts), mk_lim_prem prem)
6ed1cffd9d4e added quite adhoc logic program transformations limited_predicates and replacements of predicates
bulwahn
parents: 38864
diff changeset
   611
    else
6ed1cffd9d4e added quite adhoc logic program transformations limited_predicates and replacements of predicates
bulwahn
parents: 38864
diff changeset
   612
      ((mk_lim_rel_name rel_name, (Var "Lim") :: ts), prem)
6ed1cffd9d4e added quite adhoc logic program transformations limited_predicates and replacements of predicates
bulwahn
parents: 38864
diff changeset
   613
  end
6ed1cffd9d4e added quite adhoc logic program transformations limited_predicates and replacements of predicates
bulwahn
parents: 38864
diff changeset
   614
39798
9e7a0a9d194e adding option to globally limit the prolog execution
bulwahn
parents: 39761
diff changeset
   615
fun nat_term_of n = funpow n (fn t => AppF ("suc", [t])) (Cons "zero")
9e7a0a9d194e adding option to globally limit the prolog execution
bulwahn
parents: 39761
diff changeset
   616
9e7a0a9d194e adding option to globally limit the prolog execution
bulwahn
parents: 39761
diff changeset
   617
fun add_limited_predicates limited_predicates (p, constant_table) =
55437
3fd63b92ea3b tuned whitespace;
wenzelm
parents: 52788
diff changeset
   618
  let
3fd63b92ea3b tuned whitespace;
wenzelm
parents: 52788
diff changeset
   619
    fun add (rel_names, limit) p =
38947
6ed1cffd9d4e added quite adhoc logic program transformations limited_predicates and replacements of predicates
bulwahn
parents: 38864
diff changeset
   620
      let
38959
706ab66e3464 towards support of limited predicates for mutually recursive predicates
bulwahn
parents: 38958
diff changeset
   621
        val clauses = filter (fn ((rel, _), _) => member (op =) rel_names rel) p
706ab66e3464 towards support of limited predicates for mutually recursive predicates
bulwahn
parents: 38958
diff changeset
   622
        val clauses' = map (mk_depth_limited rel_names) clauses
706ab66e3464 towards support of limited predicates for mutually recursive predicates
bulwahn
parents: 38958
diff changeset
   623
        fun mk_entry_clause rel_name =
706ab66e3464 towards support of limited predicates for mutually recursive predicates
bulwahn
parents: 38958
diff changeset
   624
          let
706ab66e3464 towards support of limited predicates for mutually recursive predicates
bulwahn
parents: 38958
diff changeset
   625
            val nargs = length (snd (fst
706ab66e3464 towards support of limited predicates for mutually recursive predicates
bulwahn
parents: 38958
diff changeset
   626
              (the (find_first (fn ((rel, _), _) => rel = rel_name) clauses))))
55437
3fd63b92ea3b tuned whitespace;
wenzelm
parents: 52788
diff changeset
   627
            val vars = map (fn i => Var ("x" ^ string_of_int i)) (1 upto nargs)
38959
706ab66e3464 towards support of limited predicates for mutually recursive predicates
bulwahn
parents: 38958
diff changeset
   628
          in
706ab66e3464 towards support of limited predicates for mutually recursive predicates
bulwahn
parents: 38958
diff changeset
   629
            (("limited_" ^ rel_name, vars), Rel ("lim_" ^ rel_name, nat_term_of limit :: vars))
706ab66e3464 towards support of limited predicates for mutually recursive predicates
bulwahn
parents: 38958
diff changeset
   630
          end
39798
9e7a0a9d194e adding option to globally limit the prolog execution
bulwahn
parents: 39761
diff changeset
   631
      in (p @ (map mk_entry_clause rel_names) @ clauses') end
38947
6ed1cffd9d4e added quite adhoc logic program transformations limited_predicates and replacements of predicates
bulwahn
parents: 38864
diff changeset
   632
  in
39798
9e7a0a9d194e adding option to globally limit the prolog execution
bulwahn
parents: 39761
diff changeset
   633
    (fold add limited_predicates p, constant_table)
38947
6ed1cffd9d4e added quite adhoc logic program transformations limited_predicates and replacements of predicates
bulwahn
parents: 38864
diff changeset
   634
  end
6ed1cffd9d4e added quite adhoc logic program transformations limited_predicates and replacements of predicates
bulwahn
parents: 38864
diff changeset
   635
6ed1cffd9d4e added quite adhoc logic program transformations limited_predicates and replacements of predicates
bulwahn
parents: 38864
diff changeset
   636
6ed1cffd9d4e added quite adhoc logic program transformations limited_predicates and replacements of predicates
bulwahn
parents: 38864
diff changeset
   637
(* replace predicates in clauses *)
6ed1cffd9d4e added quite adhoc logic program transformations limited_predicates and replacements of predicates
bulwahn
parents: 38864
diff changeset
   638
6ed1cffd9d4e added quite adhoc logic program transformations limited_predicates and replacements of predicates
bulwahn
parents: 38864
diff changeset
   639
(* replace (A, B, C) p = replace A by B in clauses of C *)
6ed1cffd9d4e added quite adhoc logic program transformations limited_predicates and replacements of predicates
bulwahn
parents: 38864
diff changeset
   640
fun replace ((from, to), location) p =
6ed1cffd9d4e added quite adhoc logic program transformations limited_predicates and replacements of predicates
bulwahn
parents: 38864
diff changeset
   641
  let
6ed1cffd9d4e added quite adhoc logic program transformations limited_predicates and replacements of predicates
bulwahn
parents: 38864
diff changeset
   642
    fun replace_prem (Conj prems) = Conj (map replace_prem prems)
6ed1cffd9d4e added quite adhoc logic program transformations limited_predicates and replacements of predicates
bulwahn
parents: 38864
diff changeset
   643
      | replace_prem (r as Rel (rel, ts)) =
6ed1cffd9d4e added quite adhoc logic program transformations limited_predicates and replacements of predicates
bulwahn
parents: 38864
diff changeset
   644
          if rel = from then Rel (to, ts) else r
6ed1cffd9d4e added quite adhoc logic program transformations limited_predicates and replacements of predicates
bulwahn
parents: 38864
diff changeset
   645
      | replace_prem r = r
6ed1cffd9d4e added quite adhoc logic program transformations limited_predicates and replacements of predicates
bulwahn
parents: 38864
diff changeset
   646
  in
55437
3fd63b92ea3b tuned whitespace;
wenzelm
parents: 52788
diff changeset
   647
    map
3fd63b92ea3b tuned whitespace;
wenzelm
parents: 52788
diff changeset
   648
      (fn ((rel, args), prem) => ((rel, args), (if rel = location then replace_prem else I) prem))
3fd63b92ea3b tuned whitespace;
wenzelm
parents: 52788
diff changeset
   649
      p
38947
6ed1cffd9d4e added quite adhoc logic program transformations limited_predicates and replacements of predicates
bulwahn
parents: 38864
diff changeset
   650
  end
6ed1cffd9d4e added quite adhoc logic program transformations limited_predicates and replacements of predicates
bulwahn
parents: 38864
diff changeset
   651
55437
3fd63b92ea3b tuned whitespace;
wenzelm
parents: 52788
diff changeset
   652
38960
363bfb245917 adding manual reordering of premises to prolog generation
bulwahn
parents: 38959
diff changeset
   653
(* reorder manually : reorder premises of ith clause of predicate p by a permutation perm *)
38947
6ed1cffd9d4e added quite adhoc logic program transformations limited_predicates and replacements of predicates
bulwahn
parents: 38864
diff changeset
   654
38960
363bfb245917 adding manual reordering of premises to prolog generation
bulwahn
parents: 38959
diff changeset
   655
fun reorder_manually reorder p =
363bfb245917 adding manual reordering of premises to prolog generation
bulwahn
parents: 38959
diff changeset
   656
  let
55445
a76c679c0218 static repair of ML file -- untested (!) by default since 76965c356d2a;
wenzelm
parents: 55440
diff changeset
   657
    fun reorder' ((rel, args), prem) seen =
38960
363bfb245917 adding manual reordering of premises to prolog generation
bulwahn
parents: 38959
diff changeset
   658
      let
363bfb245917 adding manual reordering of premises to prolog generation
bulwahn
parents: 38959
diff changeset
   659
        val seen' = AList.map_default (op =) (rel, 0) (fn x => x + 1) seen
363bfb245917 adding manual reordering of premises to prolog generation
bulwahn
parents: 38959
diff changeset
   660
        val i = the (AList.lookup (op =) seen' rel)
363bfb245917 adding manual reordering of premises to prolog generation
bulwahn
parents: 38959
diff changeset
   661
        val perm = AList.lookup (op =) reorder (rel, i)
55437
3fd63b92ea3b tuned whitespace;
wenzelm
parents: 52788
diff changeset
   662
        val prem' =
3fd63b92ea3b tuned whitespace;
wenzelm
parents: 52788
diff changeset
   663
          (case perm of
3fd63b92ea3b tuned whitespace;
wenzelm
parents: 52788
diff changeset
   664
            SOME p => (case prem of Conj prems => Conj (map (nth prems) p) | _ => prem)
3fd63b92ea3b tuned whitespace;
wenzelm
parents: 52788
diff changeset
   665
          | NONE => prem)
38960
363bfb245917 adding manual reordering of premises to prolog generation
bulwahn
parents: 38959
diff changeset
   666
      in (((rel, args), prem'), seen') end
363bfb245917 adding manual reordering of premises to prolog generation
bulwahn
parents: 38959
diff changeset
   667
  in
363bfb245917 adding manual reordering of premises to prolog generation
bulwahn
parents: 38959
diff changeset
   668
    fst (fold_map reorder' p [])
363bfb245917 adding manual reordering of premises to prolog generation
bulwahn
parents: 38959
diff changeset
   669
  end
39462
3a86194d1534 registering code_prolog as component; using environment variable; adding settings file for prolog code generation
bulwahn
parents: 39461
diff changeset
   670
55437
3fd63b92ea3b tuned whitespace;
wenzelm
parents: 52788
diff changeset
   671
38735
cb9031a9dccf renaming variables to conform to prolog names
bulwahn
parents: 38734
diff changeset
   672
(* rename variables to prolog-friendly names *)
cb9031a9dccf renaming variables to conform to prolog names
bulwahn
parents: 38734
diff changeset
   673
cb9031a9dccf renaming variables to conform to prolog names
bulwahn
parents: 38734
diff changeset
   674
fun rename_vars_term renaming = map_vars (fn v => the (AList.lookup (op =) renaming v))
cb9031a9dccf renaming variables to conform to prolog names
bulwahn
parents: 38734
diff changeset
   675
cb9031a9dccf renaming variables to conform to prolog names
bulwahn
parents: 38734
diff changeset
   676
fun rename_vars_prem renaming = map_term_prem (rename_vars_term renaming)
cb9031a9dccf renaming variables to conform to prolog names
bulwahn
parents: 38734
diff changeset
   677
cb9031a9dccf renaming variables to conform to prolog names
bulwahn
parents: 38734
diff changeset
   678
fun mk_renaming v renaming =
56812
baef1c110f12 centralized upper/lowercase name mangling
haftmann
parents: 56245
diff changeset
   679
  (v, mk_conform (Name.enforce_case true) "Var" (map snd renaming) v) :: renaming
38735
cb9031a9dccf renaming variables to conform to prolog names
bulwahn
parents: 38734
diff changeset
   680
cb9031a9dccf renaming variables to conform to prolog names
bulwahn
parents: 38734
diff changeset
   681
fun rename_vars_clause ((rel, args), prem) =
cb9031a9dccf renaming variables to conform to prolog names
bulwahn
parents: 38734
diff changeset
   682
  let
cb9031a9dccf renaming variables to conform to prolog names
bulwahn
parents: 38734
diff changeset
   683
    val vars = fold_prem_terms add_vars prem (fold add_vars args [])
cb9031a9dccf renaming variables to conform to prolog names
bulwahn
parents: 38734
diff changeset
   684
    val renaming = fold mk_renaming vars []
cb9031a9dccf renaming variables to conform to prolog names
bulwahn
parents: 38734
diff changeset
   685
  in ((rel, map (rename_vars_term renaming) args), rename_vars_prem renaming prem) end
55437
3fd63b92ea3b tuned whitespace;
wenzelm
parents: 52788
diff changeset
   686
3fd63b92ea3b tuned whitespace;
wenzelm
parents: 52788
diff changeset
   687
39798
9e7a0a9d194e adding option to globally limit the prolog execution
bulwahn
parents: 39761
diff changeset
   688
(* limit computation globally by some threshold *)
9e7a0a9d194e adding option to globally limit the prolog execution
bulwahn
parents: 39761
diff changeset
   689
55445
a76c679c0218 static repair of ML file -- untested (!) by default since 76965c356d2a;
wenzelm
parents: 55440
diff changeset
   690
fun limit_globally limit const_name (p, constant_table) =
39798
9e7a0a9d194e adding option to globally limit the prolog execution
bulwahn
parents: 39761
diff changeset
   691
  let
9e7a0a9d194e adding option to globally limit the prolog execution
bulwahn
parents: 39761
diff changeset
   692
    val rel_names = fold (fn ((r, _), _) => insert (op =) r) p []
9e7a0a9d194e adding option to globally limit the prolog execution
bulwahn
parents: 39761
diff changeset
   693
    val p' = map (mk_depth_limited rel_names) p
9e7a0a9d194e adding option to globally limit the prolog execution
bulwahn
parents: 39761
diff changeset
   694
    val rel_name = translate_const constant_table const_name
9e7a0a9d194e adding option to globally limit the prolog execution
bulwahn
parents: 39761
diff changeset
   695
    val nargs = length (snd (fst
9e7a0a9d194e adding option to globally limit the prolog execution
bulwahn
parents: 39761
diff changeset
   696
      (the (find_first (fn ((rel, _), _) => rel = rel_name) p))))
9e7a0a9d194e adding option to globally limit the prolog execution
bulwahn
parents: 39761
diff changeset
   697
    val vars = map (fn i => Var ("x" ^ string_of_int i)) (1 upto nargs)
9e7a0a9d194e adding option to globally limit the prolog execution
bulwahn
parents: 39761
diff changeset
   698
    val entry_clause = ((rel_name, vars), Rel ("lim_" ^ rel_name, nat_term_of limit :: vars))
9e7a0a9d194e adding option to globally limit the prolog execution
bulwahn
parents: 39761
diff changeset
   699
    val p'' = filter_out (fn ((rel, _), _) => rel = rel_name) p
9e7a0a9d194e adding option to globally limit the prolog execution
bulwahn
parents: 39761
diff changeset
   700
  in
9e7a0a9d194e adding option to globally limit the prolog execution
bulwahn
parents: 39761
diff changeset
   701
    (entry_clause :: p' @ p'', constant_table)
9e7a0a9d194e adding option to globally limit the prolog execution
bulwahn
parents: 39761
diff changeset
   702
  end
9e7a0a9d194e adding option to globally limit the prolog execution
bulwahn
parents: 39761
diff changeset
   703
55437
3fd63b92ea3b tuned whitespace;
wenzelm
parents: 52788
diff changeset
   704
39542
a50c0ae2312c moving renaming_vars to post_processing; removing clone in values and quickcheck of code_prolog
bulwahn
parents: 39541
diff changeset
   705
(* post processing of generated prolog program *)
a50c0ae2312c moving renaming_vars to post_processing; removing clone in values and quickcheck of code_prolog
bulwahn
parents: 39541
diff changeset
   706
55537
6ec3c2c38650 made SML/NJ happy;
wenzelm
parents: 55449
diff changeset
   707
fun post_process ctxt (options: code_options) const_name (p, constant_table) =
39542
a50c0ae2312c moving renaming_vars to post_processing; removing clone in values and quickcheck of code_prolog
bulwahn
parents: 39541
diff changeset
   708
  (p, constant_table)
39798
9e7a0a9d194e adding option to globally limit the prolog execution
bulwahn
parents: 39761
diff changeset
   709
  |> (case #limit_globally options of
55445
a76c679c0218 static repair of ML file -- untested (!) by default since 76965c356d2a;
wenzelm
parents: 55440
diff changeset
   710
        SOME limit => limit_globally limit const_name
39798
9e7a0a9d194e adding option to globally limit the prolog execution
bulwahn
parents: 39761
diff changeset
   711
      | NONE => I)
39542
a50c0ae2312c moving renaming_vars to post_processing; removing clone in values and quickcheck of code_prolog
bulwahn
parents: 39541
diff changeset
   712
  |> (if #ensure_groundness options then
a50c0ae2312c moving renaming_vars to post_processing; removing clone in values and quickcheck of code_prolog
bulwahn
parents: 39541
diff changeset
   713
        add_ground_predicates ctxt (#limited_types options)
a50c0ae2312c moving renaming_vars to post_processing; removing clone in values and quickcheck of code_prolog
bulwahn
parents: 39541
diff changeset
   714
      else I)
39724
ada0cd4900c1 adding further tracing messages; tuned
bulwahn
parents: 39546
diff changeset
   715
  |> tap (fn _ => tracing "Adding limited predicates...")
39542
a50c0ae2312c moving renaming_vars to post_processing; removing clone in values and quickcheck of code_prolog
bulwahn
parents: 39541
diff changeset
   716
  |> add_limited_predicates (#limited_predicates options)
39724
ada0cd4900c1 adding further tracing messages; tuned
bulwahn
parents: 39546
diff changeset
   717
  |> tap (fn _ => tracing "Replacing predicates...")
39542
a50c0ae2312c moving renaming_vars to post_processing; removing clone in values and quickcheck of code_prolog
bulwahn
parents: 39541
diff changeset
   718
  |> apfst (fold replace (#replacing options))
a50c0ae2312c moving renaming_vars to post_processing; removing clone in values and quickcheck of code_prolog
bulwahn
parents: 39541
diff changeset
   719
  |> apfst (reorder_manually (#manual_reorder options))
55537
6ec3c2c38650 made SML/NJ happy;
wenzelm
parents: 55449
diff changeset
   720
  |> apfst (map rename_vars_clause)
39542
a50c0ae2312c moving renaming_vars to post_processing; removing clone in values and quickcheck of code_prolog
bulwahn
parents: 39541
diff changeset
   721
55437
3fd63b92ea3b tuned whitespace;
wenzelm
parents: 52788
diff changeset
   722
38073
64062d56ad3c adding a mockup version for prolog code generation
bulwahn
parents:
diff changeset
   723
(* code printer *)
64062d56ad3c adding a mockup version for prolog code generation
bulwahn
parents:
diff changeset
   724
38113
81f08bbb3be7 adding basic arithmetic support for prolog code generation
bulwahn
parents: 38112
diff changeset
   725
fun write_arith_op Plus = "+"
81f08bbb3be7 adding basic arithmetic support for prolog code generation
bulwahn
parents: 38112
diff changeset
   726
  | write_arith_op Minus = "-"
81f08bbb3be7 adding basic arithmetic support for prolog code generation
bulwahn
parents: 38112
diff changeset
   727
38735
cb9031a9dccf renaming variables to conform to prolog names
bulwahn
parents: 38734
diff changeset
   728
fun write_term (Var v) = v
38079
7fb011dd51de improving translation to prolog; restoring terms from prolog output; adding tracing support
bulwahn
parents: 38078
diff changeset
   729
  | write_term (Cons c) = c
55437
3fd63b92ea3b tuned whitespace;
wenzelm
parents: 52788
diff changeset
   730
  | write_term (AppF (f, args)) =
3fd63b92ea3b tuned whitespace;
wenzelm
parents: 52788
diff changeset
   731
      f ^ "(" ^ space_implode ", " (map write_term args) ^ ")"
3fd63b92ea3b tuned whitespace;
wenzelm
parents: 52788
diff changeset
   732
  | write_term (ArithOp (oper, [a1, a2])) =
3fd63b92ea3b tuned whitespace;
wenzelm
parents: 52788
diff changeset
   733
      write_term a1 ^ " " ^ write_arith_op oper ^ " " ^ write_term a2
38112
cf08f4780938 adding numbers as basic term in prolog code generation
bulwahn
parents: 38082
diff changeset
   734
  | write_term (Number n) = string_of_int n
38073
64062d56ad3c adding a mockup version for prolog code generation
bulwahn
parents:
diff changeset
   735
64062d56ad3c adding a mockup version for prolog code generation
bulwahn
parents:
diff changeset
   736
fun write_rel (pred, args) =
55437
3fd63b92ea3b tuned whitespace;
wenzelm
parents: 52788
diff changeset
   737
  pred ^ "(" ^ space_implode ", " (map write_term args) ^ ")"
38073
64062d56ad3c adding a mockup version for prolog code generation
bulwahn
parents:
diff changeset
   738
64062d56ad3c adding a mockup version for prolog code generation
bulwahn
parents:
diff changeset
   739
fun write_prem (Conj prems) = space_implode ", " (map write_prem prems)
55437
3fd63b92ea3b tuned whitespace;
wenzelm
parents: 52788
diff changeset
   740
  | write_prem (Rel p) = write_rel p
38073
64062d56ad3c adding a mockup version for prolog code generation
bulwahn
parents:
diff changeset
   741
  | write_prem (NotRel p) = "not(" ^ write_rel p ^ ")"
64062d56ad3c adding a mockup version for prolog code generation
bulwahn
parents:
diff changeset
   742
  | write_prem (Eq (l, r)) = write_term l ^ " = " ^ write_term r
64062d56ad3c adding a mockup version for prolog code generation
bulwahn
parents:
diff changeset
   743
  | write_prem (NotEq (l, r)) = write_term l ^ " \\= " ^ write_term r
38113
81f08bbb3be7 adding basic arithmetic support for prolog code generation
bulwahn
parents: 38112
diff changeset
   744
  | write_prem (ArithEq (l, r)) = write_term l ^ " is " ^ write_term r
81f08bbb3be7 adding basic arithmetic support for prolog code generation
bulwahn
parents: 38112
diff changeset
   745
  | write_prem (NotArithEq (l, r)) = write_term l ^ " =\\= " ^ write_term r
39461
0ed0f015d140 adding mode inference to prolog compilation; separate between (ad-hoc) code modifications and system_configuration; adapting quickcheck
bulwahn
parents: 39383
diff changeset
   746
  | write_prem _ = raise Fail "Not a valid prolog premise"
38073
64062d56ad3c adding a mockup version for prolog code generation
bulwahn
parents:
diff changeset
   747
64062d56ad3c adding a mockup version for prolog code generation
bulwahn
parents:
diff changeset
   748
fun write_clause (head, prem) =
64062d56ad3c adding a mockup version for prolog code generation
bulwahn
parents:
diff changeset
   749
  write_rel head ^ (if prem = Conj [] then "." else " :- " ^ write_prem prem ^ ".")
64062d56ad3c adding a mockup version for prolog code generation
bulwahn
parents:
diff changeset
   750
64062d56ad3c adding a mockup version for prolog code generation
bulwahn
parents:
diff changeset
   751
fun write_program p =
55437
3fd63b92ea3b tuned whitespace;
wenzelm
parents: 52788
diff changeset
   752
  cat_lines (map write_clause p)
3fd63b92ea3b tuned whitespace;
wenzelm
parents: 52788
diff changeset
   753
38073
64062d56ad3c adding a mockup version for prolog code generation
bulwahn
parents:
diff changeset
   754
38790
499135eb21ec moving options; tuned
bulwahn
parents: 38789
diff changeset
   755
(* query templates *)
38078
2afb5f710b84 working on parser for prolog reponse
bulwahn
parents: 38077
diff changeset
   756
38792
970508a5119f added support for yet another prolog system (yap); generate has only one option ensure_groundness; added one example of yap invocation in example theory
bulwahn
parents: 38790
diff changeset
   757
(** query and prelude for swi-prolog **)
970508a5119f added support for yet another prolog system (yap); generate has only one option ensure_groundness; added one example of yap invocation in example theory
bulwahn
parents: 38790
diff changeset
   758
39464
13493d3c28d0 values command for prolog supports complex terms and not just variables
bulwahn
parents: 39462
diff changeset
   759
fun swi_prolog_query_first (rel, args) vnames =
13493d3c28d0 values command for prolog supports complex terms and not just variables
bulwahn
parents: 39462
diff changeset
   760
  "eval :- once("  ^ rel ^ "(" ^ space_implode ", " (map write_term args) ^ ")),\n" ^
38082
61280b97b761 adapting output for first solution
bulwahn
parents: 38081
diff changeset
   761
  "writef('" ^ space_implode ";" (map (fn v => v ^ " = %w") vnames) ^
61280b97b761 adapting output for first solution
bulwahn
parents: 38081
diff changeset
   762
  "\\n', [" ^ space_implode ", " vnames ^ "]).\n"
55437
3fd63b92ea3b tuned whitespace;
wenzelm
parents: 52788
diff changeset
   763
39464
13493d3c28d0 values command for prolog supports complex terms and not just variables
bulwahn
parents: 39462
diff changeset
   764
fun swi_prolog_query_firstn n (rel, args) vnames =
38077
46ff55ace18c querying for multiple solutions in values command for prolog execution
bulwahn
parents: 38076
diff changeset
   765
  "eval :- findnsols(" ^ string_of_int n ^ ", (" ^ space_implode ", " vnames ^ "), " ^
39464
13493d3c28d0 values command for prolog supports complex terms and not just variables
bulwahn
parents: 39462
diff changeset
   766
    rel ^ "(" ^ space_implode ", " (map write_term args) ^ "), Sols), writelist(Sols).\n" ^
38077
46ff55ace18c querying for multiple solutions in values command for prolog execution
bulwahn
parents: 38076
diff changeset
   767
    "writelist([]).\n" ^
39546
bfe10da7d764 renaming variable name to decrease likelyhood of nameclash
bulwahn
parents: 39542
diff changeset
   768
    "writelist([(" ^ space_implode ", " vnames ^ ")|SolutionTail]) :- " ^
38079
7fb011dd51de improving translation to prolog; restoring terms from prolog output; adding tracing support
bulwahn
parents: 38078
diff changeset
   769
    "writef('" ^ space_implode ";" (map (fn v => v ^ " = %w") vnames) ^
39546
bfe10da7d764 renaming variable name to decrease likelyhood of nameclash
bulwahn
parents: 39542
diff changeset
   770
    "\\n', [" ^ space_implode ", " vnames ^ "]), writelist(SolutionTail).\n"
55437
3fd63b92ea3b tuned whitespace;
wenzelm
parents: 52788
diff changeset
   771
38792
970508a5119f added support for yet another prolog system (yap); generate has only one option ensure_groundness; added one example of yap invocation in example theory
bulwahn
parents: 38790
diff changeset
   772
val swi_prolog_prelude =
38077
46ff55ace18c querying for multiple solutions in values command for prolog execution
bulwahn
parents: 38076
diff changeset
   773
  ":- use_module(library('dialect/ciao/aggregates')).\n" ^
38729
9c9d14827380 improving output of set comprehensions; adding style_check flags
bulwahn
parents: 38728
diff changeset
   774
  ":- style_check(-singleton).\n" ^
41067
c78a2d402736 eliminated some hard tabulators (deprecated);
wenzelm
parents: 40924
diff changeset
   775
  ":- style_check(-discontiguous).\n" ^
38729
9c9d14827380 improving output of set comprehensions; adding style_check flags
bulwahn
parents: 38728
diff changeset
   776
  ":- style_check(-atom).\n\n" ^
38073
64062d56ad3c adding a mockup version for prolog code generation
bulwahn
parents:
diff changeset
   777
  "main :- catch(eval, E, (print_message(error, E), fail)), halt.\n" ^
64062d56ad3c adding a mockup version for prolog code generation
bulwahn
parents:
diff changeset
   778
  "main :- halt(1).\n"
38075
3d5e2b7d1374 adding values command and parsing prolog output
bulwahn
parents: 38073
diff changeset
   779
55437
3fd63b92ea3b tuned whitespace;
wenzelm
parents: 52788
diff changeset
   780
38792
970508a5119f added support for yet another prolog system (yap); generate has only one option ensure_groundness; added one example of yap invocation in example theory
bulwahn
parents: 38790
diff changeset
   781
(** query and prelude for yap **)
970508a5119f added support for yet another prolog system (yap); generate has only one option ensure_groundness; added one example of yap invocation in example theory
bulwahn
parents: 38790
diff changeset
   782
39464
13493d3c28d0 values command for prolog supports complex terms and not just variables
bulwahn
parents: 39462
diff changeset
   783
fun yap_query_first (rel, args) vnames =
13493d3c28d0 values command for prolog supports complex terms and not just variables
bulwahn
parents: 39462
diff changeset
   784
  "eval :- once(" ^ rel ^ "(" ^ space_implode ", " (map write_term args) ^ ")),\n" ^
38792
970508a5119f added support for yet another prolog system (yap); generate has only one option ensure_groundness; added one example of yap invocation in example theory
bulwahn
parents: 38790
diff changeset
   785
  "format('" ^ space_implode ";" (map (fn v => v ^ " = ~w") vnames) ^
970508a5119f added support for yet another prolog system (yap); generate has only one option ensure_groundness; added one example of yap invocation in example theory
bulwahn
parents: 38790
diff changeset
   786
  "\\n', [" ^ space_implode ", " vnames ^ "]).\n"
970508a5119f added support for yet another prolog system (yap); generate has only one option ensure_groundness; added one example of yap invocation in example theory
bulwahn
parents: 38790
diff changeset
   787
970508a5119f added support for yet another prolog system (yap); generate has only one option ensure_groundness; added one example of yap invocation in example theory
bulwahn
parents: 38790
diff changeset
   788
val yap_prelude =
970508a5119f added support for yet another prolog system (yap); generate has only one option ensure_groundness; added one example of yap invocation in example theory
bulwahn
parents: 38790
diff changeset
   789
  ":- initialization(eval).\n"
970508a5119f added support for yet another prolog system (yap); generate has only one option ensure_groundness; added one example of yap invocation in example theory
bulwahn
parents: 38790
diff changeset
   790
55437
3fd63b92ea3b tuned whitespace;
wenzelm
parents: 52788
diff changeset
   791
38792
970508a5119f added support for yet another prolog system (yap); generate has only one option ensure_groundness; added one example of yap invocation in example theory
bulwahn
parents: 38790
diff changeset
   792
(* system-dependent query, prelude and invocation *)
970508a5119f added support for yet another prolog system (yap); generate has only one option ensure_groundness; added one example of yap invocation in example theory
bulwahn
parents: 38790
diff changeset
   793
55437
3fd63b92ea3b tuned whitespace;
wenzelm
parents: 52788
diff changeset
   794
fun query system nsols =
3fd63b92ea3b tuned whitespace;
wenzelm
parents: 52788
diff changeset
   795
  (case system of
38792
970508a5119f added support for yet another prolog system (yap); generate has only one option ensure_groundness; added one example of yap invocation in example theory
bulwahn
parents: 38790
diff changeset
   796
    SWI_PROLOG =>
55437
3fd63b92ea3b tuned whitespace;
wenzelm
parents: 52788
diff changeset
   797
      (case nsols of
3fd63b92ea3b tuned whitespace;
wenzelm
parents: 52788
diff changeset
   798
        NONE => swi_prolog_query_first
3fd63b92ea3b tuned whitespace;
wenzelm
parents: 52788
diff changeset
   799
      | SOME n => swi_prolog_query_firstn n)
38792
970508a5119f added support for yet another prolog system (yap); generate has only one option ensure_groundness; added one example of yap invocation in example theory
bulwahn
parents: 38790
diff changeset
   800
  | YAP =>
55437
3fd63b92ea3b tuned whitespace;
wenzelm
parents: 52788
diff changeset
   801
      (case nsols of
3fd63b92ea3b tuned whitespace;
wenzelm
parents: 52788
diff changeset
   802
        NONE => yap_query_first
3fd63b92ea3b tuned whitespace;
wenzelm
parents: 52788
diff changeset
   803
      | SOME n =>
3fd63b92ea3b tuned whitespace;
wenzelm
parents: 52788
diff changeset
   804
          error "No support for querying multiple solutions in the prolog system yap"))
38792
970508a5119f added support for yet another prolog system (yap); generate has only one option ensure_groundness; added one example of yap invocation in example theory
bulwahn
parents: 38790
diff changeset
   805
970508a5119f added support for yet another prolog system (yap); generate has only one option ensure_groundness; added one example of yap invocation in example theory
bulwahn
parents: 38790
diff changeset
   806
fun prelude system =
55437
3fd63b92ea3b tuned whitespace;
wenzelm
parents: 52788
diff changeset
   807
  (case system of
3fd63b92ea3b tuned whitespace;
wenzelm
parents: 52788
diff changeset
   808
    SWI_PROLOG => swi_prolog_prelude
3fd63b92ea3b tuned whitespace;
wenzelm
parents: 52788
diff changeset
   809
  | YAP => yap_prelude)
38792
970508a5119f added support for yet another prolog system (yap); generate has only one option ensure_groundness; added one example of yap invocation in example theory
bulwahn
parents: 38790
diff changeset
   810
41940
a3b68a7a0e15 allow spaces in executable names;
wenzelm
parents: 41472
diff changeset
   811
fun invoke system file =
38792
970508a5119f added support for yet another prolog system (yap); generate has only one option ensure_groundness; added one example of yap invocation in example theory
bulwahn
parents: 38790
diff changeset
   812
  let
41940
a3b68a7a0e15 allow spaces in executable names;
wenzelm
parents: 41472
diff changeset
   813
    val (env_var, cmd) =
a3b68a7a0e15 allow spaces in executable names;
wenzelm
parents: 41472
diff changeset
   814
      (case system of
51709
19b47bfac6ef proper prolog command-line instead of hashbang, which might switch to invalid executable and thus fail (notably on lxbroy2);
wenzelm
parents: 51704
diff changeset
   815
        SWI_PROLOG => ("ISABELLE_SWIPL", "\"$ISABELLE_SWIPL\" -q -t main -f ")
41952
c7297638599b cleanup of former settings GHC_PATH, EXEC_GHC, EXEC_OCAML, EXEC_SWIPL, EXEC_YAP -- discontinued implicit detection;
wenzelm
parents: 41941
diff changeset
   816
      | YAP => ("ISABELLE_YAP", "\"$ISABELLE_YAP\" -L "))
39462
3a86194d1534 registering code_prolog as component; using environment variable; adding settings file for prolog code generation
bulwahn
parents: 39461
diff changeset
   817
  in
41940
a3b68a7a0e15 allow spaces in executable names;
wenzelm
parents: 41472
diff changeset
   818
    if getenv env_var = "" then
39462
3a86194d1534 registering code_prolog as component; using environment variable; adding settings file for prolog code generation
bulwahn
parents: 39461
diff changeset
   819
      (warning (env_var ^ " not set; could not execute code for " ^ string_of_system system); "")
51704
0b0fc7dc4ce4 actually fail on prolog errors -- such as swipl startup failure due to missing shared libraries -- assuming it normally produces clean return code 0;
wenzelm
parents: 51314
diff changeset
   820
    else
0b0fc7dc4ce4 actually fail on prolog errors -- such as swipl startup failure due to missing shared libraries -- assuming it normally produces clean return code 0;
wenzelm
parents: 51314
diff changeset
   821
      (case Isabelle_System.bash_output (cmd ^ File.shell_path file) of
0b0fc7dc4ce4 actually fail on prolog errors -- such as swipl startup failure due to missing shared libraries -- assuming it normally produces clean return code 0;
wenzelm
parents: 51314
diff changeset
   822
        (out, 0) => out
0b0fc7dc4ce4 actually fail on prolog errors -- such as swipl startup failure due to missing shared libraries -- assuming it normally produces clean return code 0;
wenzelm
parents: 51314
diff changeset
   823
      | (_, rc) =>
0b0fc7dc4ce4 actually fail on prolog errors -- such as swipl startup failure due to missing shared libraries -- assuming it normally produces clean return code 0;
wenzelm
parents: 51314
diff changeset
   824
          error ("Error caused by prolog system " ^ env_var ^
0b0fc7dc4ce4 actually fail on prolog errors -- such as swipl startup failure due to missing shared libraries -- assuming it normally produces clean return code 0;
wenzelm
parents: 51314
diff changeset
   825
            ": return code " ^ string_of_int rc))
39462
3a86194d1534 registering code_prolog as component; using environment variable; adding settings file for prolog code generation
bulwahn
parents: 39461
diff changeset
   826
  end
38792
970508a5119f added support for yet another prolog system (yap); generate has only one option ensure_groundness; added one example of yap invocation in example theory
bulwahn
parents: 38790
diff changeset
   827
41952
c7297638599b cleanup of former settings GHC_PATH, EXEC_GHC, EXEC_OCAML, EXEC_SWIPL, EXEC_YAP -- discontinued implicit detection;
wenzelm
parents: 41941
diff changeset
   828
38075
3d5e2b7d1374 adding values command and parsing prolog output
bulwahn
parents: 38073
diff changeset
   829
(* parsing prolog solution *)
38790
499135eb21ec moving options; tuned
bulwahn
parents: 38789
diff changeset
   830
38115
987edb27f449 adding parsing of numbers; improving output of solution without free variables in prolog code generation
bulwahn
parents: 38114
diff changeset
   831
val scan_number =
987edb27f449 adding parsing of numbers; improving output of solution without free variables in prolog code generation
bulwahn
parents: 38114
diff changeset
   832
  Scan.many1 Symbol.is_ascii_digit
38075
3d5e2b7d1374 adding values command and parsing prolog output
bulwahn
parents: 38073
diff changeset
   833
3d5e2b7d1374 adding values command and parsing prolog output
bulwahn
parents: 38073
diff changeset
   834
val scan_atom =
55437
3fd63b92ea3b tuned whitespace;
wenzelm
parents: 52788
diff changeset
   835
  Scan.many1
3fd63b92ea3b tuned whitespace;
wenzelm
parents: 52788
diff changeset
   836
    (fn s => Symbol.is_ascii_lower s orelse Symbol.is_ascii_digit s orelse Symbol.is_ascii_quasi s)
38075
3d5e2b7d1374 adding values command and parsing prolog output
bulwahn
parents: 38073
diff changeset
   837
3d5e2b7d1374 adding values command and parsing prolog output
bulwahn
parents: 38073
diff changeset
   838
val scan_var =
38078
2afb5f710b84 working on parser for prolog reponse
bulwahn
parents: 38077
diff changeset
   839
  Scan.many1
2afb5f710b84 working on parser for prolog reponse
bulwahn
parents: 38077
diff changeset
   840
    (fn s => Symbol.is_ascii_upper s orelse Symbol.is_ascii_digit s orelse Symbol.is_ascii_quasi s)
38075
3d5e2b7d1374 adding values command and parsing prolog output
bulwahn
parents: 38073
diff changeset
   841
3d5e2b7d1374 adding values command and parsing prolog output
bulwahn
parents: 38073
diff changeset
   842
fun dest_Char (Symbol.Char s) = s
3d5e2b7d1374 adding values command and parsing prolog output
bulwahn
parents: 38073
diff changeset
   843
43735
9b88fd07b912 standardized String.concat towards implode (cf. c37a1f29bbc0)
bulwahn
parents: 43324
diff changeset
   844
val string_of = implode o map (dest_Char o Symbol.decode)
38075
3d5e2b7d1374 adding values command and parsing prolog output
bulwahn
parents: 38073
diff changeset
   845
38115
987edb27f449 adding parsing of numbers; improving output of solution without free variables in prolog code generation
bulwahn
parents: 38114
diff changeset
   846
fun int_of_symbol_list xs = fold (fn x => fn s => s * 10 + (ord x - ord "0")) xs 0
987edb27f449 adding parsing of numbers; improving output of solution without free variables in prolog code generation
bulwahn
parents: 38114
diff changeset
   847
38078
2afb5f710b84 working on parser for prolog reponse
bulwahn
parents: 38077
diff changeset
   848
fun scan_terms xs = (((scan_term --| $$ ",") ::: scan_terms)
2afb5f710b84 working on parser for prolog reponse
bulwahn
parents: 38077
diff changeset
   849
  || (scan_term >> single)) xs
2afb5f710b84 working on parser for prolog reponse
bulwahn
parents: 38077
diff changeset
   850
and scan_term xs =
38115
987edb27f449 adding parsing of numbers; improving output of solution without free variables in prolog code generation
bulwahn
parents: 38114
diff changeset
   851
  ((scan_number >> (Number o int_of_symbol_list))
987edb27f449 adding parsing of numbers; improving output of solution without free variables in prolog code generation
bulwahn
parents: 38114
diff changeset
   852
  || (scan_var >> (Var o string_of))
38078
2afb5f710b84 working on parser for prolog reponse
bulwahn
parents: 38077
diff changeset
   853
  || ((scan_atom -- ($$ "(" |-- scan_terms --| $$ ")"))
38079
7fb011dd51de improving translation to prolog; restoring terms from prolog output; adding tracing support
bulwahn
parents: 38078
diff changeset
   854
    >> (fn (f, ts) => AppF (string_of f, ts)))
38078
2afb5f710b84 working on parser for prolog reponse
bulwahn
parents: 38077
diff changeset
   855
  || (scan_atom >> (Cons o string_of))) xs
38079
7fb011dd51de improving translation to prolog; restoring terms from prolog output; adding tracing support
bulwahn
parents: 38078
diff changeset
   856
38075
3d5e2b7d1374 adding values command and parsing prolog output
bulwahn
parents: 38073
diff changeset
   857
val parse_term = fst o Scan.finite Symbol.stopper
38077
46ff55ace18c querying for multiple solutions in values command for prolog execution
bulwahn
parents: 38076
diff changeset
   858
    (Scan.error (!! (fn _ => raise Fail "parsing prolog output failed")) scan_term)
40924
a9be7f26b4e6 adapting predicate_compile_quickcheck
bulwahn
parents: 40301
diff changeset
   859
  o raw_explode
55437
3fd63b92ea3b tuned whitespace;
wenzelm
parents: 52788
diff changeset
   860
38079
7fb011dd51de improving translation to prolog; restoring terms from prolog output; adding tracing support
bulwahn
parents: 38078
diff changeset
   861
fun parse_solutions sol =
38075
3d5e2b7d1374 adding values command and parsing prolog output
bulwahn
parents: 38073
diff changeset
   862
  let
55437
3fd63b92ea3b tuned whitespace;
wenzelm
parents: 52788
diff changeset
   863
    fun dest_eq s =
3fd63b92ea3b tuned whitespace;
wenzelm
parents: 52788
diff changeset
   864
      (case space_explode "=" s of
38075
3d5e2b7d1374 adding values command and parsing prolog output
bulwahn
parents: 38073
diff changeset
   865
        (l :: r :: []) => parse_term (unprefix " " r)
55437
3fd63b92ea3b tuned whitespace;
wenzelm
parents: 52788
diff changeset
   866
      | _ => raise Fail "unexpected equation in prolog output")
38079
7fb011dd51de improving translation to prolog; restoring terms from prolog output; adding tracing support
bulwahn
parents: 38078
diff changeset
   867
    fun parse_solution s = map dest_eq (space_explode ";" s)
55437
3fd63b92ea3b tuned whitespace;
wenzelm
parents: 52788
diff changeset
   868
    val sols = (case space_explode "\n" sol of [] => [] | s => fst (split_last s))
38075
3d5e2b7d1374 adding values command and parsing prolog output
bulwahn
parents: 38073
diff changeset
   869
  in
38961
8c2f59171647 handling the quickcheck result no counterexample more correctly
bulwahn
parents: 38960
diff changeset
   870
    map parse_solution sols
55437
3fd63b92ea3b tuned whitespace;
wenzelm
parents: 52788
diff changeset
   871
  end
3fd63b92ea3b tuned whitespace;
wenzelm
parents: 52788
diff changeset
   872
3fd63b92ea3b tuned whitespace;
wenzelm
parents: 52788
diff changeset
   873
38073
64062d56ad3c adding a mockup version for prolog code generation
bulwahn
parents:
diff changeset
   874
(* calling external interpreter and getting results *)
64062d56ad3c adding a mockup version for prolog code generation
bulwahn
parents:
diff changeset
   875
59156
f09df2ac5d46 more standard configuration options;
wenzelm
parents: 58893
diff changeset
   876
fun run ctxt p (query_rel, args) vnames nsols =
38073
64062d56ad3c adding a mockup version for prolog code generation
bulwahn
parents:
diff changeset
   877
  let
59156
f09df2ac5d46 more standard configuration options;
wenzelm
parents: 58893
diff changeset
   878
    val timeout = get_prolog_timeout ctxt
f09df2ac5d46 more standard configuration options;
wenzelm
parents: 58893
diff changeset
   879
    val system = get_prolog_system ctxt
55437
3fd63b92ea3b tuned whitespace;
wenzelm
parents: 52788
diff changeset
   880
    val renaming = fold mk_renaming (fold add_vars args vnames) []
38735
cb9031a9dccf renaming variables to conform to prolog names
bulwahn
parents: 38734
diff changeset
   881
    val vnames' = map (fn v => the (AList.lookup (op =) renaming v)) vnames
39464
13493d3c28d0 values command for prolog supports complex terms and not just variables
bulwahn
parents: 39462
diff changeset
   882
    val args' = map (rename_vars_term renaming) args
39542
a50c0ae2312c moving renaming_vars to post_processing; removing clone in values and quickcheck of code_prolog
bulwahn
parents: 39541
diff changeset
   883
    val prog = prelude system ^ query system nsols (query_rel, args') vnames' ^ write_program p
38079
7fb011dd51de improving translation to prolog; restoring terms from prolog output; adding tracing support
bulwahn
parents: 38078
diff changeset
   884
    val _ = tracing ("Generated prolog program:\n" ^ prog)
41307
bb8468ae414e slightly more standard Isabelle_System.with_tmp_file/with_tmp_dir (cf. Scala version);
wenzelm
parents: 41067
diff changeset
   885
    val solution = TimeLimit.timeLimit timeout (fn prog =>
42127
8223e7f4b0da Isabelle_System.create_tmp_path/with_tmp_file: optional extension;
wenzelm
parents: 42111
diff changeset
   886
      Isabelle_System.with_tmp_file "prolog_file" "" (fn prolog_file =>
41940
a3b68a7a0e15 allow spaces in executable names;
wenzelm
parents: 41472
diff changeset
   887
        (File.write prolog_file prog; invoke system prolog_file))) prog
38079
7fb011dd51de improving translation to prolog; restoring terms from prolog output; adding tracing support
bulwahn
parents: 38078
diff changeset
   888
    val _ = tracing ("Prolog returned solution(s):\n" ^ solution)
7fb011dd51de improving translation to prolog; restoring terms from prolog output; adding tracing support
bulwahn
parents: 38078
diff changeset
   889
    val tss = parse_solutions solution
38073
64062d56ad3c adding a mockup version for prolog code generation
bulwahn
parents:
diff changeset
   890
  in
38079
7fb011dd51de improving translation to prolog; restoring terms from prolog output; adding tracing support
bulwahn
parents: 38078
diff changeset
   891
    tss
38073
64062d56ad3c adding a mockup version for prolog code generation
bulwahn
parents:
diff changeset
   892
  end
64062d56ad3c adding a mockup version for prolog code generation
bulwahn
parents:
diff changeset
   893
55437
3fd63b92ea3b tuned whitespace;
wenzelm
parents: 52788
diff changeset
   894
38790
499135eb21ec moving options; tuned
bulwahn
parents: 38789
diff changeset
   895
(* restoring types in terms *)
38075
3d5e2b7d1374 adding values command and parsing prolog output
bulwahn
parents: 38073
diff changeset
   896
38081
8b02ce312893 removing pointless type information in internal prolog terms
bulwahn
parents: 38080
diff changeset
   897
fun restore_term ctxt constant_table (Var s, T) = Free (s, T)
38115
987edb27f449 adding parsing of numbers; improving output of solution without free variables in prolog code generation
bulwahn
parents: 38114
diff changeset
   898
  | restore_term ctxt constant_table (Number n, @{typ "int"}) = HOLogic.mk_number @{typ "int"} n
55437
3fd63b92ea3b tuned whitespace;
wenzelm
parents: 52788
diff changeset
   899
  | restore_term ctxt constant_table (Number n, _) = raise (Fail "unexpected type for number")
38079
7fb011dd51de improving translation to prolog; restoring terms from prolog output; adding tracing support
bulwahn
parents: 38078
diff changeset
   900
  | restore_term ctxt constant_table (Cons s, T) = Const (restore_const constant_table s, T)
7fb011dd51de improving translation to prolog; restoring terms from prolog output; adding tracing support
bulwahn
parents: 38078
diff changeset
   901
  | restore_term ctxt constant_table (AppF (f, args), T) =
55437
3fd63b92ea3b tuned whitespace;
wenzelm
parents: 52788
diff changeset
   902
      let
3fd63b92ea3b tuned whitespace;
wenzelm
parents: 52788
diff changeset
   903
        val thy = Proof_Context.theory_of ctxt
3fd63b92ea3b tuned whitespace;
wenzelm
parents: 52788
diff changeset
   904
        val c = restore_const constant_table f
3fd63b92ea3b tuned whitespace;
wenzelm
parents: 52788
diff changeset
   905
        val cT = Sign.the_const_type thy c
3fd63b92ea3b tuned whitespace;
wenzelm
parents: 52788
diff changeset
   906
        val (argsT, resT) = strip_type cT
3fd63b92ea3b tuned whitespace;
wenzelm
parents: 52788
diff changeset
   907
        val subst = Sign.typ_match thy (resT, T) Vartab.empty
3fd63b92ea3b tuned whitespace;
wenzelm
parents: 52788
diff changeset
   908
        val argsT' = map (Envir.subst_type subst) argsT
3fd63b92ea3b tuned whitespace;
wenzelm
parents: 52788
diff changeset
   909
      in
3fd63b92ea3b tuned whitespace;
wenzelm
parents: 52788
diff changeset
   910
        list_comb (Const (c, Envir.subst_type subst cT),
3fd63b92ea3b tuned whitespace;
wenzelm
parents: 52788
diff changeset
   911
          map (restore_term ctxt constant_table) (args ~~ argsT'))
3fd63b92ea3b tuned whitespace;
wenzelm
parents: 52788
diff changeset
   912
      end
38079
7fb011dd51de improving translation to prolog; restoring terms from prolog output; adding tracing support
bulwahn
parents: 38078
diff changeset
   913
55437
3fd63b92ea3b tuned whitespace;
wenzelm
parents: 52788
diff changeset
   914
39465
fcff6903595f adding restoring of numerals for natural numbers for values command
bulwahn
parents: 39464
diff changeset
   915
(* restore numerals in natural numbers *)
fcff6903595f adding restoring of numerals for natural numbers for values command
bulwahn
parents: 39464
diff changeset
   916
fcff6903595f adding restoring of numerals for natural numbers for values command
bulwahn
parents: 39464
diff changeset
   917
fun restore_nat_numerals t =
fcff6903595f adding restoring of numerals for natural numbers for values command
bulwahn
parents: 39464
diff changeset
   918
  if fastype_of t = @{typ nat} andalso is_some (try HOLogic.dest_nat t) then
fcff6903595f adding restoring of numerals for natural numbers for values command
bulwahn
parents: 39464
diff changeset
   919
    HOLogic.mk_number @{typ nat} (HOLogic.dest_nat t)
fcff6903595f adding restoring of numerals for natural numbers for values command
bulwahn
parents: 39464
diff changeset
   920
  else
fcff6903595f adding restoring of numerals for natural numbers for values command
bulwahn
parents: 39464
diff changeset
   921
    (case t of
55437
3fd63b92ea3b tuned whitespace;
wenzelm
parents: 52788
diff changeset
   922
      t1 $ t2 => restore_nat_numerals t1 $ restore_nat_numerals t2
3fd63b92ea3b tuned whitespace;
wenzelm
parents: 52788
diff changeset
   923
    | t => t)
3fd63b92ea3b tuned whitespace;
wenzelm
parents: 52788
diff changeset
   924
3fd63b92ea3b tuned whitespace;
wenzelm
parents: 52788
diff changeset
   925
38790
499135eb21ec moving options; tuned
bulwahn
parents: 38789
diff changeset
   926
(* values command *)
499135eb21ec moving options; tuned
bulwahn
parents: 38789
diff changeset
   927
499135eb21ec moving options; tuned
bulwahn
parents: 38789
diff changeset
   928
val preprocess_options = Predicate_Compile_Aux.Options {
499135eb21ec moving options; tuned
bulwahn
parents: 38789
diff changeset
   929
  expected_modes = NONE,
39383
ddfafa97da2f adding option show_invalid_clauses for a more detailed message when modes are not inferred
bulwahn
parents: 39187
diff changeset
   930
  proposed_modes = [],
38790
499135eb21ec moving options; tuned
bulwahn
parents: 38789
diff changeset
   931
  proposed_names = [],
499135eb21ec moving options; tuned
bulwahn
parents: 38789
diff changeset
   932
  show_steps = false,
499135eb21ec moving options; tuned
bulwahn
parents: 38789
diff changeset
   933
  show_intermediate_results = false,
499135eb21ec moving options; tuned
bulwahn
parents: 38789
diff changeset
   934
  show_proof_trace = false,
499135eb21ec moving options; tuned
bulwahn
parents: 38789
diff changeset
   935
  show_modes = false,
499135eb21ec moving options; tuned
bulwahn
parents: 38789
diff changeset
   936
  show_mode_inference = false,
499135eb21ec moving options; tuned
bulwahn
parents: 38789
diff changeset
   937
  show_compilation = false,
499135eb21ec moving options; tuned
bulwahn
parents: 38789
diff changeset
   938
  show_caught_failures = false,
39383
ddfafa97da2f adding option show_invalid_clauses for a more detailed message when modes are not inferred
bulwahn
parents: 39187
diff changeset
   939
  show_invalid_clauses = false,
38790
499135eb21ec moving options; tuned
bulwahn
parents: 38789
diff changeset
   940
  skip_proof = true,
499135eb21ec moving options; tuned
bulwahn
parents: 38789
diff changeset
   941
  no_topmost_reordering = false,
499135eb21ec moving options; tuned
bulwahn
parents: 38789
diff changeset
   942
  function_flattening = true,
499135eb21ec moving options; tuned
bulwahn
parents: 38789
diff changeset
   943
  specialise = false,
499135eb21ec moving options; tuned
bulwahn
parents: 38789
diff changeset
   944
  fail_safe_function_flattening = false,
499135eb21ec moving options; tuned
bulwahn
parents: 38789
diff changeset
   945
  no_higher_order_predicate = [],
499135eb21ec moving options; tuned
bulwahn
parents: 38789
diff changeset
   946
  inductify = false,
499135eb21ec moving options; tuned
bulwahn
parents: 38789
diff changeset
   947
  detect_switches = true,
40054
cd7b1fa20bce adapting alternative_defs, predicate_compile_quickcheck, examples and code_prolog
bulwahn
parents: 39798
diff changeset
   948
  smart_depth_limiting = true,
38790
499135eb21ec moving options; tuned
bulwahn
parents: 38789
diff changeset
   949
  compilation = Predicate_Compile_Aux.Pred
499135eb21ec moving options; tuned
bulwahn
parents: 38789
diff changeset
   950
}
499135eb21ec moving options; tuned
bulwahn
parents: 38789
diff changeset
   951
38075
3d5e2b7d1374 adding values command and parsing prolog output
bulwahn
parents: 38073
diff changeset
   952
fun values ctxt soln t_compr =
3d5e2b7d1374 adding values command and parsing prolog output
bulwahn
parents: 38073
diff changeset
   953
  let
42361
23f352990944 modernized structure Proof_Context;
wenzelm
parents: 42159
diff changeset
   954
    val options = code_options_of (Proof_Context.theory_of ctxt)
55437
3fd63b92ea3b tuned whitespace;
wenzelm
parents: 52788
diff changeset
   955
    val split =
3fd63b92ea3b tuned whitespace;
wenzelm
parents: 52788
diff changeset
   956
      (case t_compr of
3fd63b92ea3b tuned whitespace;
wenzelm
parents: 52788
diff changeset
   957
        (Const (@{const_name Collect}, _) $ t) => t
3fd63b92ea3b tuned whitespace;
wenzelm
parents: 52788
diff changeset
   958
      | _ => error ("Not a set comprehension: " ^ Syntax.string_of_term ctxt t_compr))
61424
c3658c18b7bc prod_case as canonical name for product type eliminator
haftmann
parents: 61268
diff changeset
   959
    val (body, Ts, fp) = HOLogic.strip_ptupleabs split
38075
3d5e2b7d1374 adding values command and parsing prolog output
bulwahn
parents: 38073
diff changeset
   960
    val output_names = Name.variant_list (Term.add_free_names body [])
3d5e2b7d1374 adding values command and parsing prolog output
bulwahn
parents: 38073
diff changeset
   961
      (map (fn i => "x" ^ string_of_int i) (1 upto length Ts))
38080
8c20eb9a388d cleaning example file; more natural ordering of variable names
bulwahn
parents: 38079
diff changeset
   962
    val output_frees = rev (map2 (curry Free) output_names Ts)
38075
3d5e2b7d1374 adding values command and parsing prolog output
bulwahn
parents: 38073
diff changeset
   963
    val body = subst_bounds (output_frees, body)
3d5e2b7d1374 adding values command and parsing prolog output
bulwahn
parents: 38073
diff changeset
   964
    val (pred as Const (name, T), all_args) =
55437
3fd63b92ea3b tuned whitespace;
wenzelm
parents: 52788
diff changeset
   965
      (case strip_comb body of
38075
3d5e2b7d1374 adding values command and parsing prolog output
bulwahn
parents: 38073
diff changeset
   966
        (Const (name, T), all_args) => (Const (name, T), all_args)
55437
3fd63b92ea3b tuned whitespace;
wenzelm
parents: 52788
diff changeset
   967
      | (head, _) => error ("Not a constant: " ^ Syntax.string_of_term ctxt head))
38732
3371dbc806ae moving preprocessing to values in prolog generation
bulwahn
parents: 38731
diff changeset
   968
    val _ = tracing "Preprocessing specification..."
42361
23f352990944 modernized structure Proof_Context;
wenzelm
parents: 42159
diff changeset
   969
    val T = Sign.the_const_type (Proof_Context.theory_of ctxt) name
38732
3371dbc806ae moving preprocessing to values in prolog generation
bulwahn
parents: 38731
diff changeset
   970
    val t = Const (name, T)
38755
a37d39fe32f8 standardized Context.copy_thy to Theory.copy alias, with slightly more direct way of using it;
wenzelm
parents: 38735
diff changeset
   971
    val thy' =
52788
da1fdbfebd39 type theory is purely value-oriented;
wenzelm
parents: 51709
diff changeset
   972
      Proof_Context.theory_of ctxt
38755
a37d39fe32f8 standardized Context.copy_thy to Theory.copy alias, with slightly more direct way of using it;
wenzelm
parents: 38735
diff changeset
   973
      |> Predicate_Compile.preprocess preprocess_options t
42361
23f352990944 modernized structure Proof_Context;
wenzelm
parents: 42159
diff changeset
   974
    val ctxt' = Proof_Context.init_global thy'
38079
7fb011dd51de improving translation to prolog; restoring terms from prolog output; adding tracing support
bulwahn
parents: 38078
diff changeset
   975
    val _ = tracing "Generating prolog program..."
39461
0ed0f015d140 adding mode inference to prolog compilation; separate between (ad-hoc) code modifications and system_configuration; adapting quickcheck
bulwahn
parents: 39383
diff changeset
   976
    val (p, constant_table) = generate (NONE, #ensure_groundness options) ctxt' name (* FIXME *)
39798
9e7a0a9d194e adding option to globally limit the prolog execution
bulwahn
parents: 39761
diff changeset
   977
      |> post_process ctxt' options name
39464
13493d3c28d0 values command for prolog supports complex terms and not just variables
bulwahn
parents: 39462
diff changeset
   978
    val constant_table' = declare_consts (fold Term.add_const_names all_args []) constant_table
13493d3c28d0 values command for prolog supports complex terms and not just variables
bulwahn
parents: 39462
diff changeset
   979
    val args' = map (translate_term ctxt constant_table') all_args
38079
7fb011dd51de improving translation to prolog; restoring terms from prolog output; adding tracing support
bulwahn
parents: 38078
diff changeset
   980
    val _ = tracing "Running prolog program..."
59156
f09df2ac5d46 more standard configuration options;
wenzelm
parents: 58893
diff changeset
   981
    val tss = run ctxt p (translate_const constant_table' name, args') output_names soln
38079
7fb011dd51de improving translation to prolog; restoring terms from prolog output; adding tracing support
bulwahn
parents: 38078
diff changeset
   982
    val _ = tracing "Restoring terms..."
51126
df86080de4cb reform of predicate compiler / quickcheck theories:
haftmann
parents: 46961
diff changeset
   983
    val empty = Const(@{const_name bot}, fastype_of t_compr)
38115
987edb27f449 adding parsing of numbers; improving output of solution without free variables in prolog code generation
bulwahn
parents: 38114
diff changeset
   984
    fun mk_insert x S =
55437
3fd63b92ea3b tuned whitespace;
wenzelm
parents: 52788
diff changeset
   985
      Const (@{const_name "Set.insert"}, fastype_of x --> fastype_of S --> fastype_of S) $ x $ S
38115
987edb27f449 adding parsing of numbers; improving output of solution without free variables in prolog code generation
bulwahn
parents: 38114
diff changeset
   986
    fun mk_set_compr in_insert [] xs =
42489
db9b9e46131c some adhoc renaming, to accomodate more strict checks of fixes (cf. 4638622bcaa1);
wenzelm
parents: 42361
diff changeset
   987
       rev ((Free ("dots", fastype_of t_compr)) ::  (* FIXME proper name!? *)
38115
987edb27f449 adding parsing of numbers; improving output of solution without free variables in prolog code generation
bulwahn
parents: 38114
diff changeset
   988
        (if null in_insert then xs else (fold mk_insert in_insert empty) :: xs))
987edb27f449 adding parsing of numbers; improving output of solution without free variables in prolog code generation
bulwahn
parents: 38114
diff changeset
   989
      | mk_set_compr in_insert (t :: ts) xs =
987edb27f449 adding parsing of numbers; improving output of solution without free variables in prolog code generation
bulwahn
parents: 38114
diff changeset
   990
        let
987edb27f449 adding parsing of numbers; improving output of solution without free variables in prolog code generation
bulwahn
parents: 38114
diff changeset
   991
          val frees = Term.add_frees t []
987edb27f449 adding parsing of numbers; improving output of solution without free variables in prolog code generation
bulwahn
parents: 38114
diff changeset
   992
        in
987edb27f449 adding parsing of numbers; improving output of solution without free variables in prolog code generation
bulwahn
parents: 38114
diff changeset
   993
          if null frees then
987edb27f449 adding parsing of numbers; improving output of solution without free variables in prolog code generation
bulwahn
parents: 38114
diff changeset
   994
            mk_set_compr (t :: in_insert) ts xs
987edb27f449 adding parsing of numbers; improving output of solution without free variables in prolog code generation
bulwahn
parents: 38114
diff changeset
   995
          else
987edb27f449 adding parsing of numbers; improving output of solution without free variables in prolog code generation
bulwahn
parents: 38114
diff changeset
   996
            let
55437
3fd63b92ea3b tuned whitespace;
wenzelm
parents: 52788
diff changeset
   997
              val uu as (uuN, uuT) =
3fd63b92ea3b tuned whitespace;
wenzelm
parents: 52788
diff changeset
   998
                singleton (Variable.variant_frees ctxt' [t]) ("uu", fastype_of t)
38115
987edb27f449 adding parsing of numbers; improving output of solution without free variables in prolog code generation
bulwahn
parents: 38114
diff changeset
   999
              val set_compr =
55437
3fd63b92ea3b tuned whitespace;
wenzelm
parents: 52788
diff changeset
  1000
                HOLogic.mk_Collect (uuN, uuT,
3fd63b92ea3b tuned whitespace;
wenzelm
parents: 52788
diff changeset
  1001
                  fold (fn (s, T) => fn t => HOLogic.mk_exists (s, T, t))
3fd63b92ea3b tuned whitespace;
wenzelm
parents: 52788
diff changeset
  1002
                    frees (HOLogic.mk_conj (HOLogic.mk_eq (Free uu, t), @{term "True"})))
38115
987edb27f449 adding parsing of numbers; improving output of solution without free variables in prolog code generation
bulwahn
parents: 38114
diff changeset
  1003
            in
38729
9c9d14827380 improving output of set comprehensions; adding style_check flags
bulwahn
parents: 38728
diff changeset
  1004
              mk_set_compr [] ts
55437
3fd63b92ea3b tuned whitespace;
wenzelm
parents: 52788
diff changeset
  1005
                (set_compr ::
3fd63b92ea3b tuned whitespace;
wenzelm
parents: 52788
diff changeset
  1006
                  (if null in_insert then xs else (fold mk_insert in_insert empty) :: xs))
38115
987edb27f449 adding parsing of numbers; improving output of solution without free variables in prolog code generation
bulwahn
parents: 38114
diff changeset
  1007
            end
987edb27f449 adding parsing of numbers; improving output of solution without free variables in prolog code generation
bulwahn
parents: 38114
diff changeset
  1008
        end
38075
3d5e2b7d1374 adding values command and parsing prolog output
bulwahn
parents: 38073
diff changeset
  1009
  in
55437
3fd63b92ea3b tuned whitespace;
wenzelm
parents: 52788
diff changeset
  1010
    foldl1 (HOLogic.mk_binop @{const_name sup}) (mk_set_compr []
3fd63b92ea3b tuned whitespace;
wenzelm
parents: 52788
diff changeset
  1011
      (map (fn ts => HOLogic.mk_tuple
3fd63b92ea3b tuned whitespace;
wenzelm
parents: 52788
diff changeset
  1012
        (map (restore_nat_numerals o restore_term ctxt' constant_table) (ts ~~ Ts))) tss) [])
38075
3d5e2b7d1374 adding values command and parsing prolog output
bulwahn
parents: 38073
diff changeset
  1013
  end
3d5e2b7d1374 adding values command and parsing prolog output
bulwahn
parents: 38073
diff changeset
  1014
3d5e2b7d1374 adding values command and parsing prolog output
bulwahn
parents: 38073
diff changeset
  1015
fun values_cmd print_modes soln raw_t state =
3d5e2b7d1374 adding values command and parsing prolog output
bulwahn
parents: 38073
diff changeset
  1016
  let
3d5e2b7d1374 adding values command and parsing prolog output
bulwahn
parents: 38073
diff changeset
  1017
    val ctxt = Toplevel.context_of state
3d5e2b7d1374 adding values command and parsing prolog output
bulwahn
parents: 38073
diff changeset
  1018
    val t = Syntax.read_term ctxt raw_t
3d5e2b7d1374 adding values command and parsing prolog output
bulwahn
parents: 38073
diff changeset
  1019
    val t' = values ctxt soln t
3d5e2b7d1374 adding values command and parsing prolog output
bulwahn
parents: 38073
diff changeset
  1020
    val ty' = Term.type_of t'
3d5e2b7d1374 adding values command and parsing prolog output
bulwahn
parents: 38073
diff changeset
  1021
    val ctxt' = Variable.auto_fixes t' ctxt
38115
987edb27f449 adding parsing of numbers; improving output of solution without free variables in prolog code generation
bulwahn
parents: 38114
diff changeset
  1022
    val _ = tracing "Printing terms..."
55437
3fd63b92ea3b tuned whitespace;
wenzelm
parents: 52788
diff changeset
  1023
  in
3fd63b92ea3b tuned whitespace;
wenzelm
parents: 52788
diff changeset
  1024
    Print_Mode.with_modes print_modes (fn () =>
38075
3d5e2b7d1374 adding values command and parsing prolog output
bulwahn
parents: 38073
diff changeset
  1025
      Pretty.block [Pretty.quote (Syntax.pretty_term ctxt' t'), Pretty.fbrk,
55437
3fd63b92ea3b tuned whitespace;
wenzelm
parents: 52788
diff changeset
  1026
        Pretty.str "::", Pretty.brk 1, Pretty.quote (Syntax.pretty_typ ctxt' ty')]) ()
55445
a76c679c0218 static repair of ML file -- untested (!) by default since 76965c356d2a;
wenzelm
parents: 55440
diff changeset
  1027
  end |> Pretty.writeln
38075
3d5e2b7d1374 adding values command and parsing prolog output
bulwahn
parents: 38073
diff changeset
  1028
3d5e2b7d1374 adding values command and parsing prolog output
bulwahn
parents: 38073
diff changeset
  1029
55447
aa41ecbdc205 do not redefine outer syntax commands;
wenzelm
parents: 55445
diff changeset
  1030
(* values command for Prolog queries *)
38075
3d5e2b7d1374 adding values command and parsing prolog output
bulwahn
parents: 38073
diff changeset
  1031
3d5e2b7d1374 adding values command and parsing prolog output
bulwahn
parents: 38073
diff changeset
  1032
val opt_print_modes =
55437
3fd63b92ea3b tuned whitespace;
wenzelm
parents: 52788
diff changeset
  1033
  Scan.optional (@{keyword "("} |-- Parse.!!! (Scan.repeat1 Parse.xname --| @{keyword ")"})) []
38075
3d5e2b7d1374 adding values command and parsing prolog output
bulwahn
parents: 38073
diff changeset
  1034
46961
5c6955f487e5 outer syntax command definitions based on formal command_spec derived from theory header declarations;
wenzelm
parents: 46949
diff changeset
  1035
val _ =
59936
b8ffc3dc9e24 @{command_spec} is superseded by @{command_keyword};
wenzelm
parents: 59582
diff changeset
  1036
  Outer_Syntax.command @{command_keyword values_prolog}
46961
5c6955f487e5 outer syntax command definitions based on formal command_spec derived from theory header declarations;
wenzelm
parents: 46949
diff changeset
  1037
    "enumerate and print comprehensions"
5c6955f487e5 outer syntax command definitions based on formal command_spec derived from theory header declarations;
wenzelm
parents: 46949
diff changeset
  1038
    (opt_print_modes -- Scan.optional (Parse.nat >> SOME) NONE -- Parse.term
55447
aa41ecbdc205 do not redefine outer syntax commands;
wenzelm
parents: 55445
diff changeset
  1039
     >> (fn ((print_modes, soln), t) => Toplevel.keep (values_cmd print_modes soln t)))
46961
5c6955f487e5 outer syntax command definitions based on formal command_spec derived from theory header declarations;
wenzelm
parents: 46949
diff changeset
  1040
38075
3d5e2b7d1374 adding values command and parsing prolog output
bulwahn
parents: 38073
diff changeset
  1041
38733
4b8fd91ea59a added quickcheck generator for prolog generation; first example of counterexample search with prolog for hotel key card system
bulwahn
parents: 38732
diff changeset
  1042
(* quickcheck generator *)
4b8fd91ea59a added quickcheck generator for prolog generation; first example of counterexample search with prolog for hotel key card system
bulwahn
parents: 38732
diff changeset
  1043
39541
6605c1e87c7f removing clone in code_prolog and predicate_compile_quickcheck
bulwahn
parents: 39465
diff changeset
  1044
(* FIXME: a small clone of Predicate_Compile_Quickcheck - maybe refactor out commons *)
38733
4b8fd91ea59a added quickcheck generator for prolog generation; first example of counterexample search with prolog for hotel key card system
bulwahn
parents: 38732
diff changeset
  1045
55437
3fd63b92ea3b tuned whitespace;
wenzelm
parents: 52788
diff changeset
  1046
val active = Attrib.setup_config_bool @{binding quickcheck_prolog_active} (K true)
43885
7caa1139b4e5 adapting prolog-based tester
bulwahn
parents: 43850
diff changeset
  1047
45442
2b91e27676b2 renewed prolog-quickcheck
bulwahn
parents: 45226
diff changeset
  1048
fun test_term ctxt (t, eval_terms) =
38733
4b8fd91ea59a added quickcheck generator for prolog generation; first example of counterexample search with prolog for hotel key card system
bulwahn
parents: 38732
diff changeset
  1049
  let
44241
7943b69f0188 modernized signature of Term.absfree/absdummy;
wenzelm
parents: 43885
diff changeset
  1050
    val t' = fold_rev absfree (Term.add_frees t []) t
42361
23f352990944 modernized structure Proof_Context;
wenzelm
parents: 42159
diff changeset
  1051
    val options = code_options_of (Proof_Context.theory_of ctxt)
52788
da1fdbfebd39 type theory is purely value-oriented;
wenzelm
parents: 51709
diff changeset
  1052
    val thy = Proof_Context.theory_of ctxt
39541
6605c1e87c7f removing clone in code_prolog and predicate_compile_quickcheck
bulwahn
parents: 39465
diff changeset
  1053
    val ((((full_constname, constT), vs'), intro), thy1) =
42091
6fe4abb9437b adapting Quickcheck_Prolog to latest changes
bulwahn
parents: 41952
diff changeset
  1054
      Predicate_Compile_Aux.define_quickcheck_predicate t' thy
57962
0284a7d083be updated to named_theorems;
wenzelm
parents: 56812
diff changeset
  1055
    val thy2 =
0284a7d083be updated to named_theorems;
wenzelm
parents: 56812
diff changeset
  1056
      Context.theory_map (Named_Theorems.add_thm @{named_theorems code_pred_def} intro) thy1
39541
6605c1e87c7f removing clone in code_prolog and predicate_compile_quickcheck
bulwahn
parents: 39465
diff changeset
  1057
    val thy3 = Predicate_Compile.preprocess preprocess_options (Const (full_constname, constT)) thy2
42361
23f352990944 modernized structure Proof_Context;
wenzelm
parents: 42159
diff changeset
  1058
    val ctxt' = Proof_Context.init_global thy3
38733
4b8fd91ea59a added quickcheck generator for prolog generation; first example of counterexample search with prolog for hotel key card system
bulwahn
parents: 38732
diff changeset
  1059
    val _ = tracing "Generating prolog program..."
39461
0ed0f015d140 adding mode inference to prolog compilation; separate between (ad-hoc) code modifications and system_configuration; adapting quickcheck
bulwahn
parents: 39383
diff changeset
  1060
    val (p, constant_table) = generate (NONE, true) ctxt' full_constname
39798
9e7a0a9d194e adding option to globally limit the prolog execution
bulwahn
parents: 39761
diff changeset
  1061
      |> post_process ctxt' (set_ensure_groundness options) full_constname
38733
4b8fd91ea59a added quickcheck generator for prolog generation; first example of counterexample search with prolog for hotel key card system
bulwahn
parents: 38732
diff changeset
  1062
    val _ = tracing "Running prolog program..."
59156
f09df2ac5d46 more standard configuration options;
wenzelm
parents: 58893
diff changeset
  1063
    val tss =
f09df2ac5d46 more standard configuration options;
wenzelm
parents: 58893
diff changeset
  1064
      run ctxt p (translate_const constant_table full_constname, map (Var o fst) vs')
f09df2ac5d46 more standard configuration options;
wenzelm
parents: 58893
diff changeset
  1065
        (map fst vs') (SOME 1)
38733
4b8fd91ea59a added quickcheck generator for prolog generation; first example of counterexample search with prolog for hotel key card system
bulwahn
parents: 38732
diff changeset
  1066
    val _ = tracing "Restoring terms..."
43885
7caa1139b4e5 adapting prolog-based tester
bulwahn
parents: 43850
diff changeset
  1067
    val counterexample =
55437
3fd63b92ea3b tuned whitespace;
wenzelm
parents: 52788
diff changeset
  1068
      (case tss of
39541
6605c1e87c7f removing clone in code_prolog and predicate_compile_quickcheck
bulwahn
parents: 39465
diff changeset
  1069
        [ts] => SOME (map (restore_term ctxt' constant_table) (ts ~~ map snd vs'))
55437
3fd63b92ea3b tuned whitespace;
wenzelm
parents: 52788
diff changeset
  1070
      | _ => NONE)
38733
4b8fd91ea59a added quickcheck generator for prolog generation; first example of counterexample search with prolog for hotel key card system
bulwahn
parents: 38732
diff changeset
  1071
  in
43885
7caa1139b4e5 adapting prolog-based tester
bulwahn
parents: 43850
diff changeset
  1072
    Quickcheck.Result
55437
3fd63b92ea3b tuned whitespace;
wenzelm
parents: 52788
diff changeset
  1073
      {counterexample =
3fd63b92ea3b tuned whitespace;
wenzelm
parents: 52788
diff changeset
  1074
        Option.map (pair true o curry (op ~~) (Term.add_free_names t [])) counterexample,
3fd63b92ea3b tuned whitespace;
wenzelm
parents: 52788
diff changeset
  1075
       evaluation_terms = Option.map (K []) counterexample,
3fd63b92ea3b tuned whitespace;
wenzelm
parents: 52788
diff changeset
  1076
       timings = [],
3fd63b92ea3b tuned whitespace;
wenzelm
parents: 52788
diff changeset
  1077
       reports = []}
3fd63b92ea3b tuned whitespace;
wenzelm
parents: 52788
diff changeset
  1078
  end
38732
3371dbc806ae moving preprocessing to values in prolog generation
bulwahn
parents: 38731
diff changeset
  1079
45442
2b91e27676b2 renewed prolog-quickcheck
bulwahn
parents: 45226
diff changeset
  1080
fun test_goals ctxt _ insts goals =
43885
7caa1139b4e5 adapting prolog-based tester
bulwahn
parents: 43850
diff changeset
  1081
  let
45226
026a7619936f correcting code_prolog
bulwahn
parents: 44241
diff changeset
  1082
    val correct_inst_goals = Quickcheck_Common.instantiate_goals ctxt insts goals
43885
7caa1139b4e5 adapting prolog-based tester
bulwahn
parents: 43850
diff changeset
  1083
  in
45442
2b91e27676b2 renewed prolog-quickcheck
bulwahn
parents: 45226
diff changeset
  1084
    Quickcheck_Common.collect_results (test_term ctxt) (maps (map snd) correct_inst_goals) []
43885
7caa1139b4e5 adapting prolog-based tester
bulwahn
parents: 43850
diff changeset
  1085
  end
55437
3fd63b92ea3b tuned whitespace;
wenzelm
parents: 52788
diff changeset
  1086
3fd63b92ea3b tuned whitespace;
wenzelm
parents: 52788
diff changeset
  1087
end