src/Pure/codegen.ML
author wenzelm
Tue Sep 18 18:05:37 2007 +0200 (2007-09-18)
changeset 24634 38db11874724
parent 24585 c359896d0f48
child 24655 24b630fd008f
permissions -rw-r--r--
simplified PrintMode interfaces;
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(*  Title:      Pure/codegen.ML
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    ID:         $Id$
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    Author:     Stefan Berghofer, TU Muenchen
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Generic code generator.
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*)
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signature CODEGEN =
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sig
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  val quiet_mode : bool ref
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  val message : string -> unit
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  val mode : string list ref
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  val margin : int ref
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  datatype 'a mixfix =
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      Arg
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    | Ignore
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    | Module
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    | Pretty of Pretty.T
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    | Quote of 'a;
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  type deftab
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  type node
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  type codegr
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  type 'a codegen
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  val add_codegen: string -> term codegen -> theory -> theory
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  val add_tycodegen: string -> typ codegen -> theory -> theory
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  val add_preprocessor: (theory -> thm list -> thm list) -> theory -> theory
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  val preprocess: theory -> thm list -> thm list
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  val preprocess_term: theory -> term -> term
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  val print_codegens: theory -> unit
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  val generate_code: theory -> string list -> string -> (string * string) list ->
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    (string * string) list * codegr
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  val generate_code_i: theory -> string list -> string -> (string * term) list ->
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    (string * string) list * codegr
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  val assoc_const: string * (term mixfix list *
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    (string * string) list) -> theory -> theory
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  val assoc_const_i: (string * typ) * (term mixfix list *
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    (string * string) list) -> theory -> theory
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  val assoc_type: xstring * (typ mixfix list *
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    (string * string) list) -> theory -> theory
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  val get_assoc_code: theory -> string * typ ->
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    (term mixfix list * (string * string) list) option
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  val get_assoc_type: theory -> string ->
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    (typ mixfix list * (string * string) list) option
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  val codegen_error: codegr -> string -> string -> 'a
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  val invoke_codegen: theory -> deftab -> string -> string -> bool ->
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    codegr * term -> codegr * Pretty.T
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  val invoke_tycodegen: theory -> deftab -> string -> string -> bool ->
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    codegr * typ -> codegr * Pretty.T
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  val mk_id: string -> string
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  val mk_qual_id: string -> string * string -> string
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  val mk_const_id: string -> string -> codegr -> codegr * (string * string)
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  val get_const_id: string -> codegr -> string * string
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  val mk_type_id: string -> string -> codegr -> codegr * (string * string)
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  val get_type_id: string -> codegr -> string * string
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  val thyname_of_type: string -> theory -> string
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  val thyname_of_const: string -> theory -> string
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  val rename_terms: term list -> term list
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  val rename_term: term -> term
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  val new_names: term -> string list -> string list
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  val new_name: term -> string -> string
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  val if_library: 'a -> 'a -> 'a
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  val get_defn: theory -> deftab -> string -> typ ->
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    ((typ * (string * (term list * term))) * int option) option
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  val is_instance: theory -> typ -> typ -> bool
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  val parens: Pretty.T -> Pretty.T
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  val mk_app: bool -> Pretty.T -> Pretty.T list -> Pretty.T
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  val eta_expand: term -> term list -> int -> term
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  val strip_tname: string -> string
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  val mk_type: bool -> typ -> Pretty.T
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  val mk_term_of: codegr -> string -> bool -> typ -> Pretty.T
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  val mk_gen: codegr -> string -> bool -> string list -> string -> typ -> Pretty.T
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  val test_fn: (int -> (string * term) list option) ref
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  val test_term: theory -> bool -> int -> int -> term -> (string * term) list option
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  val auto_quickcheck: bool ref
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  val eval_result: term ref
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  val eval_term: theory -> term -> term
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  val evaluation_conv: cterm -> thm
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  val parse_mixfix: (string -> 'a) -> string -> 'a mixfix list
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  val quotes_of: 'a mixfix list -> 'a list
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  val num_args_of: 'a mixfix list -> int
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  val replace_quotes: 'b list -> 'a mixfix list -> 'b mixfix list
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  val mk_deftab: theory -> deftab
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  val add_unfold: thm -> theory -> theory
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  val get_node: codegr -> string -> node
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  val add_edge: string * string -> codegr -> codegr
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  val add_edge_acyclic: string * string -> codegr -> codegr
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  val del_nodes: string list -> codegr -> codegr
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  val map_node: string -> (node -> node) -> codegr -> codegr
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  val new_node: string * node -> codegr -> codegr
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end;
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structure Codegen : CODEGEN =
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struct
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val quiet_mode = ref true;
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fun message s = if !quiet_mode then () else writeln s;
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val mode = ref ([] : string list);
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val margin = ref 80;
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(**** Mixfix syntax ****)
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datatype 'a mixfix =
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    Arg
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  | Ignore
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  | Module
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  | Pretty of Pretty.T
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  | Quote of 'a;
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fun is_arg Arg = true
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  | is_arg Ignore = true
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  | is_arg _ = false;
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fun quotes_of [] = []
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  | quotes_of (Quote q :: ms) = q :: quotes_of ms
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  | quotes_of (_ :: ms) = quotes_of ms;
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fun args_of [] xs = ([], xs)
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  | args_of (Arg :: ms) (x :: xs) = apfst (cons x) (args_of ms xs)
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  | args_of (Ignore :: ms) (_ :: xs) = args_of ms xs
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  | args_of (_ :: ms) xs = args_of ms xs;
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fun num_args_of x = length (List.filter is_arg x);
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(**** theory data ****)
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(* preprocessed definition table *)
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type deftab =
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  (typ *              (* type of constant *)
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    (string *         (* name of theory containing definition of constant *)
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      (term list *    (* parameters *)
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       term)))        (* right-hand side *)
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  list Symtab.table;
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(* code dependency graph *)
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type nametab = (string * string) Symtab.table * unit Symtab.table;
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fun merge_nametabs ((tab, used), (tab', used')) =
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  (Symtab.merge op = (tab, tab'), Symtab.merge op = (used, used'));
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type node =
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  (exn option *    (* slot for arbitrary data *)
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   string *        (* name of structure containing piece of code *)
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   string);        (* piece of code *)
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type codegr =
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  node Graph.T *
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  (nametab *       (* table for assigned constant names *)
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   nametab);       (* table for assigned type names *)
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val emptygr : codegr = (Graph.empty,
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  ((Symtab.empty, Symtab.empty), (Symtab.empty, Symtab.empty)));
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(* type of code generators *)
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type 'a codegen =
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  theory ->    (* theory in which generate_code was called *)
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  deftab ->    (* definition table (for efficiency) *)
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  codegr ->    (* code dependency graph *)
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  string ->    (* node name of caller (for recording dependencies) *)
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  string ->    (* module name of caller (for modular code generation) *)
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  bool ->      (* whether to parenthesize generated expression *)
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  'a ->        (* item to generate code from *)
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  (codegr * Pretty.T) option;
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(* parameters for random testing *)
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type test_params =
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  {size: int, iterations: int, default_type: typ option};
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fun merge_test_params
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  {size = size1, iterations = iterations1, default_type = default_type1}
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  {size = size2, iterations = iterations2, default_type = default_type2} =
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  {size = Int.max (size1, size2),
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   iterations = Int.max (iterations1, iterations2),
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   default_type = case default_type1 of
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       NONE => default_type2
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     | _ => default_type1};
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val default_test_params : test_params =
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  {size = 10, iterations = 100, default_type = NONE};
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fun set_size size ({iterations, default_type, ...} : test_params) =
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  {size = size, iterations = iterations, default_type = default_type};
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fun set_iterations iterations ({size, default_type, ...} : test_params) =
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  {size = size, iterations = iterations, default_type = default_type};
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fun set_default_type s thy ({size, iterations, ...} : test_params) =
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  {size = size, iterations = iterations,
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   default_type = SOME (Sign.read_typ thy s)};
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(* theory data *)
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structure CodegenData = TheoryDataFun
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(
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  type T =
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    {codegens : (string * term codegen) list,
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     tycodegens : (string * typ codegen) list,
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     consts : ((string * typ) * (term mixfix list * (string * string) list)) list,
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     types : (string * (typ mixfix list * (string * string) list)) list,
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     preprocs: (stamp * (theory -> thm list -> thm list)) list,
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     modules: codegr Symtab.table,
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     test_params: test_params};
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  val empty =
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    {codegens = [], tycodegens = [], consts = [], types = [],
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     preprocs = [], modules = Symtab.empty, test_params = default_test_params};
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  val copy = I;
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  val extend = I;
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  fun merge _
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    ({codegens = codegens1, tycodegens = tycodegens1,
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      consts = consts1, types = types1,
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      preprocs = preprocs1, modules = modules1, test_params = test_params1},
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     {codegens = codegens2, tycodegens = tycodegens2,
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      consts = consts2, types = types2,
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      preprocs = preprocs2, modules = modules2, test_params = test_params2}) =
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    {codegens = AList.merge (op =) (K true) (codegens1, codegens2),
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     tycodegens = AList.merge (op =) (K true) (tycodegens1, tycodegens2),
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     consts = AList.merge (op =) (K true) (consts1, consts2),
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     types = AList.merge (op =) (K true) (types1, types2),
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     preprocs = AList.merge (op =) (K true) (preprocs1, preprocs2),
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     modules = Symtab.merge (K true) (modules1, modules2),
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     test_params = merge_test_params test_params1 test_params2};
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);
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fun print_codegens thy =
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  let val {codegens, tycodegens, ...} = CodegenData.get thy in
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    Pretty.writeln (Pretty.chunks
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      [Pretty.strs ("term code generators:" :: map fst codegens),
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       Pretty.strs ("type code generators:" :: map fst tycodegens)])
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  end;
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(**** access parameters for random testing ****)
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fun get_test_params thy = #test_params (CodegenData.get thy);
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fun map_test_params f thy =
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  let val {codegens, tycodegens, consts, types, preprocs, modules, test_params} =
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    CodegenData.get thy;
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  in CodegenData.put {codegens = codegens, tycodegens = tycodegens,
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    consts = consts, types = types, preprocs = preprocs,
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    modules = modules, test_params = f test_params} thy
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  end;
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(**** access modules ****)
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fun get_modules thy = #modules (CodegenData.get thy);
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fun map_modules f thy =
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  let val {codegens, tycodegens, consts, types, preprocs, modules, test_params} =
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    CodegenData.get thy;
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  in CodegenData.put {codegens = codegens, tycodegens = tycodegens,
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    consts = consts, types = types, preprocs = preprocs,
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    modules = f modules, test_params = test_params} thy
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  end;
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(**** add new code generators to theory ****)
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fun add_codegen name f thy =
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  let val {codegens, tycodegens, consts, types, preprocs, modules, test_params} =
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    CodegenData.get thy
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  in (case AList.lookup (op =) codegens name of
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      NONE => CodegenData.put {codegens = (name, f) :: codegens,
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        tycodegens = tycodegens, consts = consts, types = types,
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        preprocs = preprocs, modules = modules,
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        test_params = test_params} thy
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    | SOME _ => error ("Code generator " ^ name ^ " already declared"))
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  end;
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fun add_tycodegen name f thy =
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  let val {codegens, tycodegens, consts, types, preprocs, modules, test_params} =
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    CodegenData.get thy
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  in (case AList.lookup (op =) tycodegens name of
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      NONE => CodegenData.put {tycodegens = (name, f) :: tycodegens,
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        codegens = codegens, consts = consts, types = types,
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        preprocs = preprocs, modules = modules,
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        test_params = test_params} thy
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    | SOME _ => error ("Code generator " ^ name ^ " already declared"))
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  end;
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(**** preprocessors ****)
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fun add_preprocessor p thy =
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  let val {codegens, tycodegens, consts, types, preprocs, modules, test_params} =
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    CodegenData.get thy
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  in CodegenData.put {tycodegens = tycodegens,
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    codegens = codegens, consts = consts, types = types,
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    preprocs = (stamp (), p) :: preprocs,
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    modules = modules, test_params = test_params} thy
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  end;
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fun preprocess thy =
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  let val {preprocs, ...} = CodegenData.get thy
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  in fold (fn (_, f) => f thy) preprocs end;
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fun preprocess_term thy t =
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  let
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    val x = Free (Name.variant (add_term_names (t, [])) "x", fastype_of t);
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    (* fake definition *)
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    val eq = setmp quick_and_dirty true (SkipProof.make_thm thy)
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      (Logic.mk_equals (x, t));
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    fun err () = error "preprocess_term: bad preprocessor"
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  in case map prop_of (preprocess thy [eq]) of
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      [Const ("==", _) $ x' $ t'] => if x = x' then t' else err ()
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    | _ => err ()
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  end;
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fun add_unfold eqn =
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  let
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    val thy = Thm.theory_of_thm eqn;
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    val ctxt = ProofContext.init thy;
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    val eqn' = LocalDefs.meta_rewrite_rule ctxt eqn;
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    val names = term_consts (fst (Logic.dest_equals (prop_of eqn')));
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    fun prep thy = map (fn th =>
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      let val prop = prop_of th
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      in
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        if forall (fn name => exists_Const (equal name o fst) prop) names
haftmann@22749
   334
        then rewrite_rule [eqn'] (Thm.transfer thy th)
berghofe@17666
   335
        else th
berghofe@17666
   336
      end)
haftmann@19341
   337
  in add_preprocessor prep end;
berghofe@15261
   338
berghofe@24456
   339
val _ = Context.add_setup
berghofe@24456
   340
  (let
berghofe@24456
   341
    fun mk_attribute f = Thm.declaration_attribute (fn thm => Context.mapping (f thm) I);
berghofe@24456
   342
  in
berghofe@24456
   343
    Code.add_attribute ("unfold", Scan.succeed (mk_attribute
berghofe@24456
   344
      (fn thm => add_unfold thm #> Code.add_inline thm)))
berghofe@24456
   345
  end);
haftmann@22749
   346
berghofe@15261
   347
berghofe@11520
   348
(**** associate constants with target language code ****)
berghofe@11520
   349
haftmann@22921
   350
fun gen_assoc_const prep_const (raw_const, syn) thy =
berghofe@11520
   351
  let
haftmann@24219
   352
    val {codegens, tycodegens, consts, types, preprocs, modules, test_params} =
berghofe@14105
   353
      CodegenData.get thy;
haftmann@22921
   354
    val (cname, T) = prep_const thy raw_const;
berghofe@11520
   355
  in
haftmann@22921
   356
    if num_args_of (fst syn) > length (binder_types T) then
haftmann@22921
   357
      error ("More arguments than in corresponding type of " ^ cname)
haftmann@22921
   358
    else case AList.lookup (op =) consts (cname, T) of
haftmann@22921
   359
      NONE => CodegenData.put {codegens = codegens,
haftmann@22921
   360
        tycodegens = tycodegens,
haftmann@22921
   361
        consts = ((cname, T), syn) :: consts,
haftmann@24219
   362
        types = types, preprocs = preprocs,
haftmann@22921
   363
        modules = modules, test_params = test_params} thy
haftmann@22921
   364
    | SOME _ => error ("Constant " ^ cname ^ " already associated with code")
haftmann@22921
   365
  end;
berghofe@11520
   366
haftmann@22921
   367
val assoc_const_i = gen_assoc_const (K I);
haftmann@24219
   368
val assoc_const = gen_assoc_const CodeUnit.read_bare_const;
berghofe@11520
   369
wenzelm@15801
   370
berghofe@11520
   371
(**** associate types with target language types ****)
berghofe@11520
   372
haftmann@22921
   373
fun assoc_type (s, syn) thy =
berghofe@11520
   374
  let
haftmann@24219
   375
    val {codegens, tycodegens, consts, types, preprocs, modules, test_params} =
berghofe@14105
   376
      CodegenData.get thy;
haftmann@22921
   377
    val tc = Sign.intern_type thy s;
berghofe@11520
   378
  in
berghofe@18320
   379
    case Symtab.lookup (snd (#types (Type.rep_tsig (Sign.tsig_of thy)))) tc of
berghofe@18320
   380
      SOME (Type.LogicalType i, _) =>
berghofe@18320
   381
        if num_args_of (fst syn) > i then
berghofe@18320
   382
          error ("More arguments than corresponding type constructor " ^ s)
berghofe@18320
   383
        else (case AList.lookup (op =) types tc of
berghofe@18320
   384
          NONE => CodegenData.put {codegens = codegens,
berghofe@18320
   385
            tycodegens = tycodegens, consts = consts,
haftmann@24219
   386
            types = (tc, syn) :: types,
berghofe@18320
   387
            preprocs = preprocs, modules = modules, test_params = test_params} thy
berghofe@18320
   388
        | SOME _ => error ("Type " ^ tc ^ " already associated with code"))
berghofe@18320
   389
    | _ => error ("Not a type constructor: " ^ s)
haftmann@22921
   390
  end;
berghofe@11520
   391
haftmann@21098
   392
fun get_assoc_type thy = AList.lookup (op =) ((#types o CodegenData.get) thy);
wenzelm@11546
   393
berghofe@11520
   394
berghofe@11520
   395
(**** make valid ML identifiers ****)
berghofe@11520
   396
berghofe@14858
   397
fun is_ascii_letdig x = Symbol.is_ascii_letter x orelse
berghofe@14858
   398
  Symbol.is_ascii_digit x orelse Symbol.is_ascii_quasi x;
berghofe@14858
   399
berghofe@14858
   400
fun dest_sym s = (case split_last (snd (take_prefix (equal "\\") (explode s))) of
berghofe@14858
   401
    ("<" :: "^" :: xs, ">") => (true, implode xs)
berghofe@14858
   402
  | ("<" :: xs, ">") => (false, implode xs)
berghofe@14858
   403
  | _ => sys_error "dest_sym");
wenzelm@16458
   404
berghofe@14858
   405
fun mk_id s = if s = "" then "" else
berghofe@11520
   406
  let
berghofe@14858
   407
    fun check_str [] = []
berghofe@14858
   408
      | check_str xs = (case take_prefix is_ascii_letdig xs of
berghofe@14858
   409
          ([], " " :: zs) => check_str zs
berghofe@14858
   410
        | ([], z :: zs) =>
berghofe@14858
   411
          if size z = 1 then string_of_int (ord z) :: check_str zs
berghofe@14858
   412
          else (case dest_sym z of
berghofe@14858
   413
              (true, "isub") => check_str zs
berghofe@14858
   414
            | (true, "isup") => "" :: check_str zs
berghofe@14858
   415
            | (ctrl, s') => (if ctrl then "ctrl_" ^ s' else s') :: check_str zs)
berghofe@14858
   416
        | (ys, zs) => implode ys :: check_str zs);
wenzelm@21858
   417
    val s' = space_implode "_" (maps (check_str o Symbol.explode) (NameSpace.explode s))
berghofe@11520
   418
  in
berghofe@14858
   419
    if Symbol.is_ascii_letter (hd (explode s')) then s' else "id_" ^ s'
berghofe@11520
   420
  end;
berghofe@11520
   421
berghofe@17144
   422
fun mk_long_id (p as (tab, used)) module s =
berghofe@16649
   423
  let
berghofe@17144
   424
    fun find_name [] = sys_error "mk_long_id"
berghofe@17144
   425
      | find_name (ys :: yss) =
berghofe@17144
   426
          let
wenzelm@21858
   427
            val s' = NameSpace.implode ys
berghofe@17144
   428
            val s'' = NameSpace.append module s'
wenzelm@17412
   429
          in case Symtab.lookup used s'' of
wenzelm@17261
   430
              NONE => ((module, s'),
wenzelm@17412
   431
                (Symtab.update_new (s, (module, s')) tab,
wenzelm@17412
   432
                 Symtab.update_new (s'', ()) used))
berghofe@17144
   433
            | SOME _ => find_name yss
berghofe@17144
   434
          end
wenzelm@17412
   435
  in case Symtab.lookup tab s of
wenzelm@21858
   436
      NONE => find_name (Library.suffixes1 (NameSpace.explode s))
berghofe@17144
   437
    | SOME name => (name, p)
berghofe@16649
   438
  end;
berghofe@16649
   439
berghofe@17144
   440
(* module:  module name for caller                                        *)
berghofe@17144
   441
(* module': module name for callee                                        *)
berghofe@17144
   442
(* if caller and callee reside in different modules, use qualified access *)
berghofe@16649
   443
berghofe@17144
   444
fun mk_qual_id module (module', s) =
berghofe@17144
   445
  if module = module' orelse module' = "" then s else module' ^ "." ^ s;
berghofe@17144
   446
berghofe@17144
   447
fun mk_const_id module cname (gr, (tab1, tab2)) =
berghofe@16649
   448
  let
berghofe@17144
   449
    val ((module, s), tab1') = mk_long_id tab1 module cname
berghofe@17144
   450
    val s' = mk_id s;
wenzelm@21478
   451
    val s'' = if ML_Syntax.is_reserved s' then s' ^ "_const" else s'
berghofe@17144
   452
  in ((gr, (tab1', tab2)), (module, s'')) end;
berghofe@13073
   453
berghofe@17144
   454
fun get_const_id cname (gr, (tab1, tab2)) =
wenzelm@17412
   455
  case Symtab.lookup (fst tab1) cname of
berghofe@17144
   456
    NONE => error ("get_const_id: no such constant: " ^ quote cname)
berghofe@17144
   457
  | SOME (module, s) =>
berghofe@17144
   458
      let
berghofe@17144
   459
        val s' = mk_id s;
wenzelm@21478
   460
        val s'' = if ML_Syntax.is_reserved s' then s' ^ "_const" else s'
berghofe@17144
   461
      in (module, s'') end;
berghofe@17144
   462
berghofe@17144
   463
fun mk_type_id module tyname (gr, (tab1, tab2)) =
berghofe@16649
   464
  let
berghofe@17144
   465
    val ((module, s), tab2') = mk_long_id tab2 module tyname
berghofe@17144
   466
    val s' = mk_id s;
wenzelm@21478
   467
    val s'' = if ML_Syntax.is_reserved s' then s' ^ "_type" else s'
berghofe@17144
   468
  in ((gr, (tab1, tab2')), (module, s'')) end;
berghofe@16649
   469
berghofe@17144
   470
fun get_type_id tyname (gr, (tab1, tab2)) =
wenzelm@17412
   471
  case Symtab.lookup (fst tab2) tyname of
berghofe@17144
   472
    NONE => error ("get_type_id: no such type: " ^ quote tyname)
berghofe@17144
   473
  | SOME (module, s) =>
berghofe@17144
   474
      let
berghofe@17144
   475
        val s' = mk_id s;
wenzelm@21478
   476
        val s'' = if ML_Syntax.is_reserved s' then s' ^ "_type" else s'
berghofe@17144
   477
      in (module, s'') end;
berghofe@17144
   478
berghofe@17144
   479
fun get_type_id' f tyname tab = apsnd f (get_type_id tyname tab);
berghofe@17144
   480
berghofe@17144
   481
fun get_node (gr, x) k = Graph.get_node gr k;
berghofe@17144
   482
fun add_edge e (gr, x) = (Graph.add_edge e gr, x);
berghofe@17144
   483
fun add_edge_acyclic e (gr, x) = (Graph.add_edge_acyclic e gr, x);
berghofe@17144
   484
fun del_nodes ks (gr, x) = (Graph.del_nodes ks gr, x);
berghofe@17144
   485
fun map_node k f (gr, x) = (Graph.map_node k f gr, x);
berghofe@17144
   486
fun new_node p (gr, x) = (Graph.new_node p gr, x);
berghofe@16649
   487
haftmann@18281
   488
fun theory_of_type s thy =
berghofe@16649
   489
  if Sign.declared_tyname thy s
wenzelm@19473
   490
  then SOME (the_default thy (get_first (theory_of_type s) (Theory.parents_of thy)))
berghofe@16649
   491
  else NONE;
berghofe@16649
   492
haftmann@18281
   493
fun theory_of_const s thy =
berghofe@16649
   494
  if Sign.declared_const thy s
wenzelm@19473
   495
  then SOME (the_default thy (get_first (theory_of_const s) (Theory.parents_of thy)))
berghofe@16649
   496
  else NONE;
berghofe@16649
   497
berghofe@16649
   498
fun thyname_of_type s thy = (case theory_of_type s thy of
berghofe@16649
   499
    NONE => error ("thyname_of_type: no such type: " ^ quote s)
berghofe@16649
   500
  | SOME thy' => Context.theory_name thy');
berghofe@16649
   501
berghofe@16649
   502
fun thyname_of_const s thy = (case theory_of_const s thy of
berghofe@16649
   503
    NONE => error ("thyname_of_const: no such constant: " ^ quote s)
berghofe@16649
   504
  | SOME thy' => Context.theory_name thy');
berghofe@11520
   505
berghofe@13731
   506
fun rename_terms ts =
berghofe@11520
   507
  let
wenzelm@23178
   508
    val names = List.foldr add_term_names
wenzelm@20286
   509
      (map (fst o fst) (rev (fold Term.add_vars ts []))) ts;
wenzelm@21478
   510
    val reserved = filter ML_Syntax.is_reserved names;
wenzelm@19482
   511
    val (illegal, alt_names) = split_list (map_filter (fn s =>
skalberg@15531
   512
      let val s' = mk_id s in if s = s' then NONE else SOME (s, s') end) names)
berghofe@14858
   513
    val ps = (reserved @ illegal) ~~
wenzelm@20071
   514
      Name.variant_list names (map (suffix "'") reserved @ alt_names);
berghofe@11520
   515
haftmann@17521
   516
    fun rename_id s = AList.lookup (op =) ps s |> the_default s;
berghofe@14858
   517
berghofe@14858
   518
    fun rename (Var ((a, i), T)) = Var ((rename_id a, i), T)
berghofe@14858
   519
      | rename (Free (a, T)) = Free (rename_id a, T)
berghofe@11520
   520
      | rename (Abs (s, T, t)) = Abs (s, T, rename t)
berghofe@11520
   521
      | rename (t $ u) = rename t $ rename u
berghofe@11520
   522
      | rename t = t;
berghofe@11520
   523
  in
berghofe@13731
   524
    map rename ts
berghofe@13731
   525
  end;
berghofe@13731
   526
berghofe@13731
   527
val rename_term = hd o rename_terms o single;
berghofe@13731
   528
berghofe@13731
   529
berghofe@13731
   530
(**** retrieve definition of constant ****)
berghofe@13731
   531
berghofe@13731
   532
fun is_instance thy T1 T2 =
wenzelm@19806
   533
  Sign.typ_instance thy (T1, Logic.legacy_varifyT T2);
berghofe@13731
   534
haftmann@22921
   535
fun get_assoc_code thy (s, T) = Option.map snd (find_first (fn ((s', T'), _) =>
berghofe@13731
   536
  s = s' andalso is_instance thy T T') (#consts (CodegenData.get thy)));
berghofe@13731
   537
wenzelm@19482
   538
fun get_aux_code xs = map_filter (fn (m, code) =>
wenzelm@20665
   539
  if m = "" orelse member (op =) (!mode) m then SOME code else NONE) xs;
berghofe@16769
   540
berghofe@16649
   541
fun mk_deftab thy =
berghofe@13731
   542
  let
wenzelm@22680
   543
    val axmss = map (fn thy' => (Context.theory_name thy', Theory.axiom_table thy'))
berghofe@16649
   544
      (thy :: Theory.ancestors_of thy);
berghofe@15261
   545
    fun prep_def def = (case preprocess thy [def] of
berghofe@16649
   546
      [def'] => prop_of def' | _ => error "mk_deftab: bad preprocessor");
berghofe@15261
   547
    fun dest t =
berghofe@15261
   548
      let
berghofe@15261
   549
        val (lhs, rhs) = Logic.dest_equals t;
berghofe@15261
   550
        val (c, args) = strip_comb lhs;
berghofe@16649
   551
        val (s, T) = dest_Const c
berghofe@16649
   552
      in if forall is_Var args then SOME (s, (T, (args, rhs))) else NONE
skalberg@15531
   553
      end handle TERM _ => NONE;
haftmann@21056
   554
    fun add_def thyname (name, t) = (case dest t of
haftmann@21056
   555
        NONE => I
berghofe@16649
   556
      | SOME _ => (case dest (prep_def (Thm.get_axiom thy name)) of
haftmann@21056
   557
          NONE => I
haftmann@21056
   558
        | SOME (s, (T, (args, rhs))) => Symtab.map_default (s, [])
haftmann@21056
   559
            (cons (T, (thyname, split_last (rename_terms (args @ [rhs])))))))
berghofe@13731
   560
  in
haftmann@21056
   561
    fold (fn (thyname, axms) => Symtab.fold (add_def thyname) axms) axmss Symtab.empty
berghofe@11520
   562
  end;
berghofe@11520
   563
wenzelm@17412
   564
fun get_defn thy defs s T = (case Symtab.lookup defs s of
berghofe@16649
   565
    NONE => NONE
berghofe@16649
   566
  | SOME ds =>
berghofe@16649
   567
      let val i = find_index (is_instance thy T o fst) ds
berghofe@16649
   568
      in if i >= 0 then
berghofe@16649
   569
          SOME (List.nth (ds, i), if length ds = 1 then NONE else SOME i)
berghofe@16649
   570
        else NONE
berghofe@16649
   571
      end);
berghofe@16649
   572
berghofe@11520
   573
berghofe@12452
   574
(**** invoke suitable code generator for term / type ****)
berghofe@11520
   575
berghofe@17144
   576
fun codegen_error (gr, _) dep s =
berghofe@17144
   577
  error (s ^ "\nrequired by:\n" ^ commas (Graph.all_succs gr [dep]));
berghofe@17144
   578
berghofe@17144
   579
fun invoke_codegen thy defs dep module brack (gr, t) = (case get_first
berghofe@17144
   580
   (fn (_, f) => f thy defs gr dep module brack t) (#codegens (CodegenData.get thy)) of
berghofe@17144
   581
      NONE => codegen_error gr dep ("Unable to generate code for term:\n" ^
berghofe@17144
   582
        Sign.string_of_term thy t)
skalberg@15531
   583
    | SOME x => x);
berghofe@12452
   584
berghofe@17144
   585
fun invoke_tycodegen thy defs dep module brack (gr, T) = (case get_first
berghofe@17144
   586
   (fn (_, f) => f thy defs gr dep module brack T) (#tycodegens (CodegenData.get thy)) of
berghofe@17144
   587
      NONE => codegen_error gr dep ("Unable to generate code for type:\n" ^
berghofe@17144
   588
        Sign.string_of_typ thy T)
skalberg@15531
   589
    | SOME x => x);
berghofe@11520
   590
berghofe@11520
   591
berghofe@11520
   592
(**** code generator for mixfix expressions ****)
berghofe@11520
   593
berghofe@11520
   594
fun parens p = Pretty.block [Pretty.str "(", p, Pretty.str ")"];
berghofe@11520
   595
berghofe@11520
   596
fun pretty_fn [] p = [p]
berghofe@11520
   597
  | pretty_fn (x::xs) p = Pretty.str ("fn " ^ x ^ " =>") ::
berghofe@11520
   598
      Pretty.brk 1 :: pretty_fn xs p;
berghofe@11520
   599
berghofe@16769
   600
fun pretty_mixfix _ _ [] [] _ = []
berghofe@16769
   601
  | pretty_mixfix module module' (Arg :: ms) (p :: ps) qs =
berghofe@16769
   602
      p :: pretty_mixfix module module' ms ps qs
berghofe@16769
   603
  | pretty_mixfix module module' (Ignore :: ms) ps qs =
berghofe@16769
   604
      pretty_mixfix module module' ms ps qs
berghofe@16769
   605
  | pretty_mixfix module module' (Module :: ms) ps qs =
berghofe@17144
   606
      (if module <> module'
berghofe@16769
   607
       then cons (Pretty.str (module' ^ ".")) else I)
berghofe@16769
   608
      (pretty_mixfix module module' ms ps qs)
berghofe@16769
   609
  | pretty_mixfix module module' (Pretty p :: ms) ps qs =
berghofe@16769
   610
      p :: pretty_mixfix module module' ms ps qs
berghofe@16769
   611
  | pretty_mixfix module module' (Quote _ :: ms) ps (q :: qs) =
berghofe@16769
   612
      q :: pretty_mixfix module module' ms ps qs;
berghofe@11520
   613
haftmann@18102
   614
fun replace_quotes [] [] = []
haftmann@18102
   615
  | replace_quotes xs (Arg :: ms) =
haftmann@18102
   616
      Arg :: replace_quotes xs ms
haftmann@18102
   617
  | replace_quotes xs (Ignore :: ms) =
haftmann@18102
   618
      Ignore :: replace_quotes xs ms
haftmann@18102
   619
  | replace_quotes xs (Module :: ms) =
haftmann@18102
   620
      Module :: replace_quotes xs ms
haftmann@18102
   621
  | replace_quotes xs (Pretty p :: ms) =
haftmann@18102
   622
      Pretty p :: replace_quotes xs ms
haftmann@18102
   623
  | replace_quotes (x::xs) (Quote _ :: ms) =
haftmann@18102
   624
      Quote x :: replace_quotes xs ms;
haftmann@18102
   625
berghofe@11520
   626
berghofe@12452
   627
(**** default code generators ****)
berghofe@11520
   628
berghofe@11520
   629
fun eta_expand t ts i =
berghofe@11520
   630
  let
berghofe@24456
   631
    val k = length ts;
berghofe@24456
   632
    val Ts = Library.drop (k, binder_types (fastype_of t));
berghofe@24456
   633
    val j = i - k
berghofe@11520
   634
  in
wenzelm@23178
   635
    List.foldr (fn (T, t) => Abs ("x", T, t))
skalberg@15574
   636
      (list_comb (t, ts @ map Bound (j-1 downto 0))) (Library.take (j, Ts))
berghofe@11520
   637
  end;
berghofe@11520
   638
berghofe@11520
   639
fun mk_app _ p [] = p
berghofe@11520
   640
  | mk_app brack p ps = if brack then
berghofe@11520
   641
       Pretty.block (Pretty.str "(" ::
berghofe@11520
   642
         separate (Pretty.brk 1) (p :: ps) @ [Pretty.str ")"])
berghofe@11520
   643
     else Pretty.block (separate (Pretty.brk 1) (p :: ps));
berghofe@11520
   644
wenzelm@20071
   645
fun new_names t xs = Name.variant_list
wenzelm@20071
   646
  (map (fst o fst o dest_Var) (term_vars t) union
wenzelm@21719
   647
    add_term_names (t, ML_Syntax.reserved_names)) (map mk_id xs);
berghofe@11520
   648
berghofe@11520
   649
fun new_name t x = hd (new_names t [x]);
berghofe@11520
   650
wenzelm@20665
   651
fun if_library x y = if member (op =) (!mode) "library" then x else y;
berghofe@17144
   652
berghofe@17144
   653
fun default_codegen thy defs gr dep module brack t =
berghofe@11520
   654
  let
berghofe@11520
   655
    val (u, ts) = strip_comb t;
berghofe@17144
   656
    fun codegens brack = foldl_map (invoke_codegen thy defs dep module brack)
berghofe@11520
   657
  in (case u of
berghofe@14105
   658
      Var ((s, i), T) =>
berghofe@14105
   659
        let
berghofe@14105
   660
          val (gr', ps) = codegens true (gr, ts);
berghofe@17144
   661
          val (gr'', _) = invoke_tycodegen thy defs dep module false (gr', T)
skalberg@15531
   662
        in SOME (gr'', mk_app brack (Pretty.str (s ^
berghofe@11520
   663
           (if i=0 then "" else string_of_int i))) ps)
berghofe@11520
   664
        end
berghofe@11520
   665
berghofe@14105
   666
    | Free (s, T) =>
berghofe@14105
   667
        let
berghofe@14105
   668
          val (gr', ps) = codegens true (gr, ts);
berghofe@17144
   669
          val (gr'', _) = invoke_tycodegen thy defs dep module false (gr', T)
skalberg@15531
   670
        in SOME (gr'', mk_app brack (Pretty.str s) ps) end
berghofe@11520
   671
berghofe@11520
   672
    | Const (s, T) =>
haftmann@22921
   673
      (case get_assoc_code thy (s, T) of
berghofe@16769
   674
         SOME (ms, aux) =>
haftmann@18281
   675
           let val i = num_args_of ms
berghofe@11520
   676
           in if length ts < i then
berghofe@17144
   677
               default_codegen thy defs gr dep module brack (eta_expand u ts i)
berghofe@11520
   678
             else
berghofe@11520
   679
               let
berghofe@12452
   680
                 val (ts1, ts2) = args_of ms ts;
berghofe@12452
   681
                 val (gr1, ps1) = codegens false (gr, ts1);
berghofe@12452
   682
                 val (gr2, ps2) = codegens true (gr1, ts2);
berghofe@12452
   683
                 val (gr3, ps3) = codegens false (gr2, quotes_of ms);
berghofe@17549
   684
                 val (gr4, _) = invoke_tycodegen thy defs dep module false
berghofe@17549
   685
                   (gr3, funpow (length ts) (hd o tl o snd o dest_Type) T);
berghofe@17144
   686
                 val (module', suffix) = (case get_defn thy defs s T of
berghofe@17144
   687
                     NONE => (if_library (thyname_of_const s thy) module, "")
berghofe@17144
   688
                   | SOME ((U, (module', _)), NONE) =>
berghofe@17144
   689
                       (if_library module' module, "")
berghofe@17144
   690
                   | SOME ((U, (module', _)), SOME i) =>
berghofe@17144
   691
                       (if_library module' module, " def" ^ string_of_int i));
berghofe@16769
   692
                 val node_id = s ^ suffix;
berghofe@17144
   693
                 fun p module' = mk_app brack (Pretty.block
berghofe@17144
   694
                   (pretty_mixfix module module' ms ps1 ps3)) ps2
berghofe@17549
   695
               in SOME (case try (get_node gr4) node_id of
berghofe@16769
   696
                   NONE => (case get_aux_code aux of
berghofe@17549
   697
                       [] => (gr4, p module)
berghofe@17144
   698
                     | xs => (add_edge (node_id, dep) (new_node
berghofe@17549
   699
                         (node_id, (NONE, module', space_implode "\n" xs ^ "\n")) gr4),
berghofe@17144
   700
                           p module'))
berghofe@17144
   701
                 | SOME (_, module'', _) =>
berghofe@17549
   702
                     (add_edge (node_id, dep) gr4, p module''))
berghofe@11520
   703
               end
berghofe@11520
   704
           end
berghofe@16649
   705
       | NONE => (case get_defn thy defs s T of
skalberg@15531
   706
           NONE => NONE
berghofe@17144
   707
         | SOME ((U, (thyname, (args, rhs))), k) =>
berghofe@11520
   708
             let
berghofe@17144
   709
               val module' = if_library thyname module;
berghofe@17144
   710
               val suffix = (case k of NONE => "" | SOME i => " def" ^ string_of_int i);
berghofe@16649
   711
               val node_id = s ^ suffix;
berghofe@17144
   712
               val (gr', (ps, def_id)) = codegens true (gr, ts) |>>>
berghofe@17144
   713
                 mk_const_id module' (s ^ suffix);
berghofe@17144
   714
               val p = mk_app brack (Pretty.str (mk_qual_id module def_id)) ps
berghofe@17144
   715
             in SOME (case try (get_node gr') node_id of
berghofe@17144
   716
                 NONE =>
berghofe@17144
   717
                   let
berghofe@17144
   718
                     val _ = message ("expanding definition of " ^ s);
berghofe@18788
   719
                     val (Ts, _) = strip_type U;
berghofe@17144
   720
                     val (args', rhs') =
berghofe@17144
   721
                       if not (null args) orelse null Ts then (args, rhs) else
berghofe@17144
   722
                         let val v = Free (new_name rhs "x", hd Ts)
berghofe@17144
   723
                         in ([v], betapply (rhs, v)) end;
berghofe@17144
   724
                     val (gr1, p') = invoke_codegen thy defs node_id module' false
berghofe@17144
   725
                       (add_edge (node_id, dep)
berghofe@17144
   726
                          (new_node (node_id, (NONE, "", "")) gr'), rhs');
berghofe@17144
   727
                     val (gr2, xs) = codegens false (gr1, args');
berghofe@17144
   728
                     val (gr3, _) = invoke_tycodegen thy defs dep module false (gr2, T);
berghofe@17144
   729
                     val (gr4, ty) = invoke_tycodegen thy defs node_id module' false (gr3, U);
berghofe@17144
   730
                   in (map_node node_id (K (NONE, module', Pretty.string_of
berghofe@17144
   731
                       (Pretty.block (separate (Pretty.brk 1)
berghofe@17144
   732
                         (if null args' then
berghofe@17144
   733
                            [Pretty.str ("val " ^ snd def_id ^ " :"), ty]
berghofe@17144
   734
                          else Pretty.str ("fun " ^ snd def_id) :: xs) @
berghofe@17144
   735
                        [Pretty.str " =", Pretty.brk 1, p', Pretty.str ";"])) ^ "\n\n")) gr4,
berghofe@17144
   736
                     p)
berghofe@17144
   737
                   end
berghofe@17144
   738
               | SOME _ => (add_edge (node_id, dep) gr', p))
berghofe@11520
   739
             end))
berghofe@11520
   740
berghofe@11520
   741
    | Abs _ =>
berghofe@11520
   742
      let
berghofe@11520
   743
        val (bs, Ts) = ListPair.unzip (strip_abs_vars u);
berghofe@11520
   744
        val t = strip_abs_body u
berghofe@11520
   745
        val bs' = new_names t bs;
berghofe@12452
   746
        val (gr1, ps) = codegens true (gr, ts);
berghofe@17144
   747
        val (gr2, p) = invoke_codegen thy defs dep module false
berghofe@12452
   748
          (gr1, subst_bounds (map Free (rev (bs' ~~ Ts)), t));
berghofe@11520
   749
      in
skalberg@15531
   750
        SOME (gr2, mk_app brack (Pretty.block (Pretty.str "(" :: pretty_fn bs' p @
berghofe@11520
   751
          [Pretty.str ")"])) ps)
berghofe@11520
   752
      end
berghofe@11520
   753
skalberg@15531
   754
    | _ => NONE)
berghofe@11520
   755
  end;
berghofe@11520
   756
berghofe@17144
   757
fun default_tycodegen thy defs gr dep module brack (TVar ((s, i), _)) =
skalberg@15531
   758
      SOME (gr, Pretty.str (s ^ (if i = 0 then "" else string_of_int i)))
berghofe@17144
   759
  | default_tycodegen thy defs gr dep module brack (TFree (s, _)) =
berghofe@16649
   760
      SOME (gr, Pretty.str s)
berghofe@17144
   761
  | default_tycodegen thy defs gr dep module brack (Type (s, Ts)) =
haftmann@17521
   762
      (case AList.lookup (op =) ((#types o CodegenData.get) thy) s of
skalberg@15531
   763
         NONE => NONE
berghofe@16769
   764
       | SOME (ms, aux) =>
berghofe@12452
   765
           let
berghofe@12452
   766
             val (gr', ps) = foldl_map
berghofe@17144
   767
               (invoke_tycodegen thy defs dep module false)
berghofe@16649
   768
               (gr, fst (args_of ms Ts));
berghofe@12452
   769
             val (gr'', qs) = foldl_map
berghofe@17144
   770
               (invoke_tycodegen thy defs dep module false)
berghofe@16769
   771
               (gr', quotes_of ms);
berghofe@17144
   772
             val module' = if_library (thyname_of_type s thy) module;
berghofe@16769
   773
             val node_id = s ^ " (type)";
berghofe@17144
   774
             fun p module' = Pretty.block (pretty_mixfix module module' ms ps qs)
berghofe@17144
   775
           in SOME (case try (get_node gr'') node_id of
berghofe@16769
   776
               NONE => (case get_aux_code aux of
berghofe@17144
   777
                   [] => (gr'', p module')
berghofe@17144
   778
                 | xs => (fst (mk_type_id module' s
berghofe@17144
   779
                       (add_edge (node_id, dep) (new_node (node_id,
berghofe@17144
   780
                         (NONE, module', space_implode "\n" xs ^ "\n")) gr''))),
berghofe@17144
   781
                     p module'))
berghofe@17144
   782
             | SOME (_, module'', _) =>
berghofe@17144
   783
                 (add_edge (node_id, dep) gr'', p module''))
berghofe@16769
   784
           end);
berghofe@12452
   785
berghofe@24456
   786
val _ = Context.add_setup
berghofe@24456
   787
 (add_codegen "default" default_codegen #>
berghofe@24456
   788
  add_tycodegen "default" default_tycodegen);
berghofe@24456
   789
berghofe@24456
   790
berghofe@16649
   791
fun mk_struct name s = "structure " ^ name ^ " =\nstruct\n\n" ^ s ^ "end;\n";
berghofe@16649
   792
haftmann@17521
   793
fun add_to_module name s = AList.map_entry (op =) name (suffix s);
berghofe@16649
   794
berghofe@17144
   795
fun output_code gr module xs =
berghofe@16649
   796
  let
wenzelm@19482
   797
    val code = map_filter (fn s =>
berghofe@17144
   798
      let val c as (_, module', _) = Graph.get_node gr s
berghofe@17144
   799
      in if module = "" orelse module = module' then SOME (s, c) else NONE end)
berghofe@17144
   800
        (rev (Graph.all_preds gr xs));
berghofe@16649
   801
    fun string_of_cycle (a :: b :: cs) =
berghofe@16649
   802
          let val SOME (x, y) = get_first (fn (x, (_, a', _)) =>
berghofe@16649
   803
            if a = a' then Option.map (pair x)
haftmann@21056
   804
              (find_first (equal b o #2 o Graph.get_node gr)
berghofe@16649
   805
                (Graph.imm_succs gr x))
berghofe@16649
   806
            else NONE) code
berghofe@16649
   807
          in x ^ " called by " ^ y ^ "\n" ^ string_of_cycle (b :: cs) end
berghofe@16649
   808
      | string_of_cycle _ = ""
berghofe@16649
   809
  in
berghofe@17144
   810
    if module = "" then
berghofe@16649
   811
      let
wenzelm@19046
   812
        val modules = distinct (op =) (map (#2 o snd) code);
wenzelm@23178
   813
        val mod_gr = fold_rev Graph.add_edge_acyclic
wenzelm@19482
   814
          (maps (fn (s, (_, module, _)) => map (pair module)
berghofe@17144
   815
            (filter_out (equal module) (map (#2 o Graph.get_node gr)
wenzelm@23178
   816
              (Graph.imm_succs gr s)))) code)
wenzelm@23178
   817
          (fold_rev (Graph.new_node o rpair ()) modules Graph.empty);
berghofe@16649
   818
        val modules' =
berghofe@16649
   819
          rev (Graph.all_preds mod_gr (map (#2 o Graph.get_node gr) xs))
berghofe@16649
   820
      in
wenzelm@23178
   821
        List.foldl (fn ((_, (_, module, s)), ms) => add_to_module module s ms)
berghofe@16649
   822
          (map (rpair "") modules') code
berghofe@16649
   823
      end handle Graph.CYCLES (cs :: _) =>
berghofe@16649
   824
        error ("Cyclic dependency of modules:\n" ^ commas cs ^
berghofe@16649
   825
          "\n" ^ string_of_cycle cs)
berghofe@17144
   826
    else [(module, implode (map (#3 o snd) code))]
berghofe@16649
   827
  end;
berghofe@11520
   828
berghofe@17144
   829
fun gen_generate_code prep_term thy modules module =
wenzelm@24634
   830
  PrintMode.setmp [] (Pretty.setmp_margin (!margin) (fn xs =>
berghofe@11520
   831
  let
wenzelm@21858
   832
    val _ = (module <> "" orelse
wenzelm@20665
   833
        member (op =) (!mode) "library" andalso forall (equal "" o fst) xs)
wenzelm@21858
   834
      orelse error "missing module name";
berghofe@17144
   835
    val graphs = get_modules thy;
berghofe@16649
   836
    val defs = mk_deftab thy;
berghofe@17144
   837
    val gr = new_node ("<Top>", (NONE, module, ""))
wenzelm@23178
   838
      (List.foldl (fn ((gr, (tab1, tab2)), (gr', (tab1', tab2'))) =>
berghofe@17144
   839
        (Graph.merge (fn ((_, module, _), (_, module', _)) =>
berghofe@17144
   840
           module = module') (gr, gr'),
berghofe@17144
   841
         (merge_nametabs (tab1, tab1'), merge_nametabs (tab2, tab2')))) emptygr
wenzelm@17412
   842
           (map (fn s => case Symtab.lookup graphs s of
berghofe@17144
   843
                NONE => error ("Undefined code module: " ^ s)
berghofe@17144
   844
              | SOME gr => gr) modules))
wenzelm@23655
   845
      handle Graph.DUP k => error ("Duplicate code for " ^ k);
berghofe@16649
   846
    fun expand (t as Abs _) = t
berghofe@16649
   847
      | expand t = (case fastype_of t of
berghofe@16649
   848
          Type ("fun", [T, U]) => Abs ("x", T, t $ Bound 0) | _ => t);
berghofe@11520
   849
    val (gr', ps) = foldl_map (fn (gr, (s, t)) => apsnd (pair s)
berghofe@17144
   850
      (invoke_codegen thy defs "<Top>" module false (gr, t)))
berghofe@17549
   851
        (gr, map (apsnd (expand o preprocess_term thy o prep_term thy)) xs);
wenzelm@19482
   852
    val code = map_filter
berghofe@17144
   853
      (fn ("", _) => NONE
berghofe@17144
   854
        | (s', p) => SOME (Pretty.string_of (Pretty.block
berghofe@17144
   855
          [Pretty.str ("val " ^ s' ^ " ="), Pretty.brk 1, p, Pretty.str ";"]))) ps;
berghofe@17144
   856
    val code' = space_implode "\n\n" code ^ "\n\n";
berghofe@17144
   857
    val code'' =
wenzelm@19482
   858
      map_filter (fn (name, s) =>
wenzelm@20665
   859
          if member (op =) (!mode) "library" andalso name = module andalso null code
berghofe@17144
   860
          then NONE
berghofe@17144
   861
          else SOME (name, mk_struct name s))
berghofe@17144
   862
        ((if null code then I
berghofe@17144
   863
          else add_to_module module code')
berghofe@17144
   864
           (output_code (fst gr') (if_library "" module) ["<Top>"]))
berghofe@16649
   865
  in
berghofe@17144
   866
    (code'', del_nodes ["<Top>"] gr')
berghofe@16649
   867
  end));
berghofe@11520
   868
wenzelm@22680
   869
val generate_code_i = gen_generate_code Sign.cert_term;
wenzelm@22680
   870
val generate_code = gen_generate_code Sign.read_term;
berghofe@11520
   871
berghofe@12452
   872
berghofe@13753
   873
(**** Reflection ****)
berghofe@13753
   874
berghofe@13753
   875
val strip_tname = implode o tl o explode;
berghofe@13753
   876
berghofe@13753
   877
fun pretty_list xs = Pretty.block (Pretty.str "[" ::
wenzelm@19482
   878
  flat (separate [Pretty.str ",", Pretty.brk 1] (map single xs)) @
berghofe@13753
   879
  [Pretty.str "]"]);
berghofe@13753
   880
berghofe@13753
   881
fun mk_type p (TVar ((s, i), _)) = Pretty.str
berghofe@13753
   882
      (strip_tname s ^ (if i = 0 then "" else string_of_int i) ^ "T")
berghofe@13753
   883
  | mk_type p (TFree (s, _)) = Pretty.str (strip_tname s ^ "T")
berghofe@13753
   884
  | mk_type p (Type (s, Ts)) = (if p then parens else I) (Pretty.block
berghofe@13753
   885
      [Pretty.str "Type", Pretty.brk 1, Pretty.str ("(\"" ^ s ^ "\","),
berghofe@13753
   886
       Pretty.brk 1, pretty_list (map (mk_type false) Ts), Pretty.str ")"]);
berghofe@13753
   887
berghofe@17144
   888
fun mk_term_of gr module p (TVar ((s, i), _)) = Pretty.str
berghofe@13753
   889
      (strip_tname s ^ (if i = 0 then "" else string_of_int i) ^ "F")
berghofe@17144
   890
  | mk_term_of gr module p (TFree (s, _)) = Pretty.str (strip_tname s ^ "F")
berghofe@17144
   891
  | mk_term_of gr module p (Type (s, Ts)) = (if p then parens else I)
berghofe@16649
   892
      (Pretty.block (separate (Pretty.brk 1)
berghofe@17144
   893
        (Pretty.str (mk_qual_id module
berghofe@17144
   894
          (get_type_id' (fn s' => "term_of_" ^ s') s gr)) ::
wenzelm@19482
   895
        maps (fn T =>
wenzelm@19482
   896
          [mk_term_of gr module true T, mk_type true T]) Ts)));
berghofe@13753
   897
berghofe@13753
   898
berghofe@14105
   899
(**** Test data generators ****)
berghofe@14105
   900
berghofe@17144
   901
fun mk_gen gr module p xs a (TVar ((s, i), _)) = Pretty.str
berghofe@14105
   902
      (strip_tname s ^ (if i = 0 then "" else string_of_int i) ^ "G")
berghofe@17144
   903
  | mk_gen gr module p xs a (TFree (s, _)) = Pretty.str (strip_tname s ^ "G")
berghofe@17144
   904
  | mk_gen gr module p xs a (Type (s, Ts)) = (if p then parens else I)
berghofe@16649
   905
      (Pretty.block (separate (Pretty.brk 1)
berghofe@17144
   906
        (Pretty.str (mk_qual_id module (get_type_id' (fn s' => "gen_" ^ s') s gr) ^
wenzelm@20665
   907
          (if member (op =) xs s then "'" else "")) ::
berghofe@17144
   908
         map (mk_gen gr module true xs a) Ts @
wenzelm@20665
   909
         (if member (op =) xs s then [Pretty.str a] else []))));
berghofe@14105
   910
skalberg@15531
   911
val test_fn : (int -> (string * term) list option) ref = ref (fn _ => NONE);
berghofe@14105
   912
berghofe@24456
   913
fun test_term thy quiet sz i t =
berghofe@14105
   914
  let
wenzelm@21858
   915
    val _ = (null (term_tvars t) andalso null (term_tfrees t)) orelse
wenzelm@21858
   916
      error "Term to be tested contains type variables";
wenzelm@21858
   917
    val _ = null (term_vars t) orelse
wenzelm@21858
   918
      error "Term to be tested contains schematic variables";
berghofe@14105
   919
    val frees = map dest_Free (term_frees t);
berghofe@17549
   920
    val frees' = frees ~~
berghofe@17549
   921
      map (fn i => "arg" ^ string_of_int i) (1 upto length frees);
berghofe@17144
   922
    val (code, gr) = setmp mode ["term_of", "test"]
berghofe@17144
   923
      (generate_code_i thy [] "Generated") [("testf", list_abs_free (frees, t))];
wenzelm@24634
   924
    val s = PrintMode.setmp [] (fn () => "structure TestTerm =\nstruct\n\n" ^
berghofe@17144
   925
      space_implode "\n" (map snd code) ^
berghofe@16649
   926
      "\nopen Generated;\n\n" ^ Pretty.string_of
berghofe@14105
   927
        (Pretty.block [Pretty.str "val () = Codegen.test_fn :=",
berghofe@17549
   928
          Pretty.brk 1, Pretty.str ("(fn i =>"), Pretty.brk 1,
berghofe@14105
   929
          Pretty.blk (0, [Pretty.str "let", Pretty.brk 1,
berghofe@17549
   930
            Pretty.blk (0, separate Pretty.fbrk (map (fn ((s, T), s') =>
berghofe@17549
   931
              Pretty.block [Pretty.str ("val " ^ s' ^ " ="), Pretty.brk 1,
berghofe@17144
   932
              mk_gen gr "Generated" false [] "" T, Pretty.brk 1,
berghofe@17549
   933
              Pretty.str "i;"]) frees')),
berghofe@14105
   934
            Pretty.brk 1, Pretty.str "in", Pretty.brk 1,
berghofe@14105
   935
            Pretty.block [Pretty.str "if ",
berghofe@17549
   936
              mk_app false (Pretty.str "testf") (map (Pretty.str o snd) frees'),
skalberg@15531
   937
              Pretty.brk 1, Pretty.str "then NONE",
berghofe@14105
   938
              Pretty.brk 1, Pretty.str "else ",
skalberg@15531
   939
              Pretty.block [Pretty.str "SOME ", Pretty.block (Pretty.str "[" ::
wenzelm@19482
   940
                flat (separate [Pretty.str ",", Pretty.brk 1]
berghofe@17549
   941
                  (map (fn ((s, T), s') => [Pretty.block
haftmann@21056
   942
                    [Pretty.str ("(" ^ quote (Symbol.escape s) ^ ","), Pretty.brk 1,
berghofe@17144
   943
                     mk_app false (mk_term_of gr "Generated" false T)
berghofe@17549
   944
                       [Pretty.str s'], Pretty.str ")"]]) frees')) @
berghofe@14105
   945
                  [Pretty.str "]"])]],
wenzelm@14980
   946
            Pretty.brk 1, Pretty.str "end"]), Pretty.str ");"]) ^
berghofe@17638
   947
      "\n\nend;\n") ();
berghofe@24456
   948
    val _ = use_text "" (K (), error) false s;
skalberg@15531
   949
    fun iter f k = if k > i then NONE
berghofe@14135
   950
      else (case (f () handle Match =>
berghofe@24456
   951
          (if quiet then ()
berghofe@24456
   952
           else warning "Exception Match raised in generated code"; NONE)) of
skalberg@15531
   953
        NONE => iter f (k+1) | SOME x => SOME x);
skalberg@15531
   954
    fun test k = if k > sz then NONE
berghofe@24456
   955
      else (if quiet then () else priority ("Test data size: " ^ string_of_int k);
berghofe@14105
   956
        case iter (fn () => !test_fn k) 1 of
skalberg@15531
   957
          NONE => test (k+1) | SOME x => SOME x);
berghofe@17638
   958
  in test 0 end;
berghofe@14105
   959
berghofe@24565
   960
fun test_goal quiet ({size, iterations, default_type}, tvinsts) i assms state =
berghofe@14105
   961
  let
berghofe@24456
   962
    val thy = Proof.theory_of state;
berghofe@14105
   963
    fun strip (Const ("all", _) $ Abs (_, _, t)) = strip t
berghofe@14105
   964
      | strip t = t;
berghofe@24565
   965
    val (_, (_, st)) = Proof.get_goal state;
berghofe@24565
   966
    val (gi, frees) = Logic.goal_params (prop_of st) i;
wenzelm@20548
   967
    val gi' = ObjectLogic.atomize_term thy (map_types
wenzelm@19502
   968
      (map_type_tfree (fn p as (s, _) =>
wenzelm@19502
   969
        the_default (the_default (TFree p) default_type)
berghofe@24456
   970
          (AList.lookup (op =) tvinsts s)))
berghofe@24456
   971
      (Logic.list_implies (assms, subst_bounds (frees, strip gi))));
berghofe@24565
   972
  in test_term thy quiet size iterations gi' end;
berghofe@24565
   973
berghofe@24565
   974
fun pretty_counterex ctxt NONE = Pretty.str "No counterexamples found."
berghofe@24565
   975
  | pretty_counterex ctxt (SOME cex) =
berghofe@24565
   976
      Pretty.chunks (Pretty.str "Counterexample found:\n" ::
berghofe@24565
   977
        map (fn (s, t) =>
berghofe@14105
   978
          Pretty.block [Pretty.str (s ^ " ="), Pretty.brk 1,
berghofe@24565
   979
            ProofContext.pretty_term ctxt t]) cex);
berghofe@24456
   980
berghofe@24456
   981
val auto_quickcheck = ref true;
berghofe@24456
   982
berghofe@24456
   983
fun test_goal' int state =
berghofe@24565
   984
  let
berghofe@24565
   985
    val ctxt = Proof.context_of state;
berghofe@24565
   986
    val assms = map term_of (Assumption.assms_of ctxt)
berghofe@24456
   987
  in
berghofe@24565
   988
    if int andalso !auto_quickcheck andalso not (!Toplevel.quiet)
berghofe@24565
   989
    then
berghofe@24565
   990
      (case try (test_goal true
berghofe@24565
   991
           (get_test_params (Proof.theory_of state), []) 1 assms) state of
berghofe@24565
   992
         SOME (cex as SOME _) =>
berghofe@24565
   993
           Proof.goal_message (fn () => Pretty.chunks [Pretty.str "",
berghofe@24565
   994
             Pretty.markup Markup.hilite [pretty_counterex ctxt cex]]) state
berghofe@24565
   995
       | _ => state)
berghofe@24565
   996
    else state
berghofe@24456
   997
  end;
berghofe@24456
   998
berghofe@24456
   999
val _ = Context.add_setup
berghofe@24456
  1000
  (Context.theory_map (Specification.add_theorem_hook test_goal'));
berghofe@24456
  1001
berghofe@14105
  1002
berghofe@17549
  1003
(**** Evaluator for terms ****)
berghofe@17549
  1004
berghofe@17549
  1005
val eval_result = ref (Bound 0);
berghofe@17549
  1006
wenzelm@24634
  1007
fun eval_term thy = PrintMode.setmp [] (fn t =>
berghofe@17549
  1008
  let
wenzelm@21858
  1009
    val _ = (null (term_tvars t) andalso null (term_tfrees t)) orelse
wenzelm@21858
  1010
      error "Term to be evaluated contains type variables";
wenzelm@21858
  1011
    val _ = (null (term_vars t) andalso null (term_frees t)) orelse
wenzelm@21858
  1012
      error "Term to be evaluated contains variables";
berghofe@17549
  1013
    val (code, gr) = setmp mode ["term_of"]
berghofe@17549
  1014
      (generate_code_i thy [] "Generated") [("result", t)];
berghofe@17549
  1015
    val s = "structure EvalTerm =\nstruct\n\n" ^
berghofe@17549
  1016
      space_implode "\n" (map snd code) ^
berghofe@17549
  1017
      "\nopen Generated;\n\n" ^ Pretty.string_of
berghofe@17549
  1018
        (Pretty.block [Pretty.str "val () = Codegen.eval_result :=",
berghofe@17549
  1019
          Pretty.brk 1,
berghofe@17549
  1020
          mk_app false (mk_term_of gr "Generated" false (fastype_of t))
berghofe@17549
  1021
            [Pretty.str "result"],
berghofe@17549
  1022
          Pretty.str ";"])  ^
berghofe@17549
  1023
      "\n\nend;\n";
wenzelm@22144
  1024
    val _ = use_text "" Output.ml_output false s
berghofe@17549
  1025
  in !eval_result end);
berghofe@17549
  1026
berghofe@17549
  1027
fun print_evaluated_term s = Toplevel.keep (fn state =>
berghofe@17549
  1028
  let
wenzelm@21506
  1029
    val ctxt = Toplevel.context_of state;
wenzelm@21002
  1030
    val thy = ProofContext.theory_of ctxt;
wenzelm@24508
  1031
    val t = eval_term thy (Syntax.read_term ctxt s);
berghofe@17549
  1032
    val T = Term.type_of t;
berghofe@17549
  1033
  in
haftmann@24585
  1034
    Pretty.writeln
berghofe@17549
  1035
      (Pretty.block [Pretty.quote (ProofContext.pretty_term ctxt t), Pretty.fbrk,
haftmann@24585
  1036
        Pretty.str "::", Pretty.brk 1, Pretty.quote (ProofContext.pretty_typ ctxt T)])
berghofe@17549
  1037
  end);
berghofe@17549
  1038
haftmann@20599
  1039
exception Evaluation of term;
haftmann@20599
  1040
haftmann@20599
  1041
fun evaluation_oracle (thy, Evaluation t) =
haftmann@20599
  1042
  Logic.mk_equals (t, eval_term thy t);
haftmann@20599
  1043
haftmann@20599
  1044
fun evaluation_conv ct =
wenzelm@22596
  1045
  let val {thy, t, ...} = rep_cterm ct
berghofe@24456
  1046
  in Thm.invoke_oracle_i thy "Pure.evaluation" (thy, Evaluation t) end;
berghofe@24456
  1047
berghofe@24456
  1048
val _ = Context.add_setup
berghofe@24456
  1049
  (Theory.add_oracle ("evaluation", evaluation_oracle));
haftmann@20599
  1050
berghofe@17549
  1051
berghofe@12452
  1052
(**** Interface ****)
berghofe@12452
  1053
wenzelm@24634
  1054
val str = PrintMode.setmp [] Pretty.str;
berghofe@13731
  1055
berghofe@11520
  1056
fun parse_mixfix rd s =
berghofe@11520
  1057
  (case Scan.finite Symbol.stopper (Scan.repeat
berghofe@11520
  1058
     (   $$ "_" >> K Arg
berghofe@11520
  1059
      || $$ "?" >> K Ignore
berghofe@16769
  1060
      || $$ "\\<module>" >> K Module
berghofe@11520
  1061
      || $$ "/" |-- Scan.repeat ($$ " ") >> (Pretty o Pretty.brk o length)
berghofe@11520
  1062
      || $$ "{" |-- $$ "*" |-- Scan.repeat1
wenzelm@23784
  1063
           (   $$ "'" |-- Scan.one Symbol.is_regular
wenzelm@23784
  1064
            || Scan.unless ($$ "*" -- $$ "}") (Scan.one Symbol.is_regular)) --|
berghofe@12452
  1065
         $$ "*" --| $$ "}" >> (Quote o rd o implode)
berghofe@11520
  1066
      || Scan.repeat1
wenzelm@23784
  1067
           (   $$ "'" |-- Scan.one Symbol.is_regular
berghofe@16769
  1068
            || Scan.unless ($$ "_" || $$ "?" || $$ "\\<module>" || $$ "/" || $$ "{" |-- $$ "*")
wenzelm@23784
  1069
                 (Scan.one Symbol.is_regular)) >> (Pretty o str o implode)))
berghofe@11520
  1070
       (Symbol.explode s) of
berghofe@11520
  1071
     (p, []) => p
berghofe@11520
  1072
   | _ => error ("Malformed annotation: " ^ quote s));
berghofe@11520
  1073
berghofe@24456
  1074
val _ = Context.add_setup
berghofe@24456
  1075
  (fold assoc_type [("fun", (parse_mixfix (K dummyT) "(_ ->/ _)",
berghofe@24456
  1076
     [("term_of",
berghofe@24456
  1077
       "fun term_of_fun_type _ T _ U _ = Free (\"<function>\", T --> U);\n"),
berghofe@24456
  1078
      ("test",
berghofe@24456
  1079
       "fun gen_fun_type _ G i =\n\
berghofe@24456
  1080
       \  let\n\
berghofe@24456
  1081
       \    val f = ref (fn x => raise Match);\n\
berghofe@24456
  1082
       \    val _ = (f := (fn x =>\n\
berghofe@24456
  1083
       \      let\n\
berghofe@24456
  1084
       \        val y = G i;\n\
berghofe@24456
  1085
       \        val f' = !f\n\
berghofe@24456
  1086
       \      in (f := (fn x' => if x = x' then y else f' x'); y) end))\n\
berghofe@24456
  1087
       \  in (fn x => !f x) end;\n")]))]);
berghofe@24456
  1088
wenzelm@15801
  1089
wenzelm@17057
  1090
structure P = OuterParse and K = OuterKeyword;
berghofe@11520
  1091
berghofe@17144
  1092
fun strip_whitespace s = implode (fst (take_suffix (equal "\n" orf equal " ")
berghofe@17144
  1093
  (snd (take_prefix (equal "\n" orf equal " ") (explode s))))) ^ "\n";
berghofe@16769
  1094
berghofe@16769
  1095
val parse_attach = Scan.repeat (P.$$$ "attach" |--
berghofe@16769
  1096
  Scan.optional (P.$$$ "(" |-- P.xname --| P.$$$ ")") "" --
berghofe@17144
  1097
    (P.verbatim >> strip_whitespace));
berghofe@16769
  1098
berghofe@11520
  1099
val assoc_typeP =
berghofe@11520
  1100
  OuterSyntax.command "types_code"
wenzelm@11546
  1101
  "associate types with target language types" K.thy_decl
berghofe@16769
  1102
    (Scan.repeat1 (P.xname --| P.$$$ "(" -- P.string --| P.$$$ ")" -- parse_attach) >>
haftmann@22921
  1103
     (fn xs => Toplevel.theory (fn thy => fold (assoc_type o
haftmann@22921
  1104
       (fn ((name, mfx), aux) => (name, (parse_mixfix
haftmann@22921
  1105
         (Sign.read_typ thy) mfx, aux)))) xs thy)));
berghofe@11520
  1106
berghofe@11520
  1107
val assoc_constP =
berghofe@11520
  1108
  OuterSyntax.command "consts_code"
wenzelm@11546
  1109
  "associate constants with target language code" K.thy_decl
berghofe@11520
  1110
    (Scan.repeat1
haftmann@22921
  1111
       (P.term --|
berghofe@16769
  1112
        P.$$$ "(" -- P.string --| P.$$$ ")" -- parse_attach) >>
haftmann@22921
  1113
     (fn xs => Toplevel.theory (fn thy => fold (assoc_const o 
haftmann@22921
  1114
       (fn ((const, mfx), aux) =>
haftmann@22921
  1115
         (const, (parse_mixfix (Sign.read_term thy) mfx, aux)))) xs thy)));
berghofe@11520
  1116
berghofe@17144
  1117
fun parse_code lib =
berghofe@17144
  1118
  Scan.optional (P.$$$ "(" |-- P.enum "," P.xname --| P.$$$ ")") (!mode) --
berghofe@17144
  1119
  (if lib then Scan.optional P.name "" else P.name) --
berghofe@17144
  1120
  Scan.option (P.$$$ "file" |-- P.name) --
berghofe@17144
  1121
  (if lib then Scan.succeed []
berghofe@17144
  1122
   else Scan.optional (P.$$$ "imports" |-- Scan.repeat1 P.name) []) --|
berghofe@17144
  1123
  P.$$$ "contains" --
berghofe@17144
  1124
  (   Scan.repeat1 (P.name --| P.$$$ "=" -- P.term)
berghofe@17144
  1125
   || Scan.repeat1 (P.term >> pair "")) >>
berghofe@17144
  1126
  (fn ((((mode', module), opt_fname), modules), xs) => Toplevel.theory (fn thy =>
berghofe@17144
  1127
     let
wenzelm@19299
  1128
       val mode'' = (if lib then insert (op =) "library" else I) (remove (op =) "library" mode');
berghofe@17144
  1129
       val (code, gr) = setmp mode mode'' (generate_code thy modules module) xs
berghofe@17144
  1130
     in ((case opt_fname of
wenzelm@22144
  1131
         NONE => use_text "" Output.ml_output false
berghofe@17144
  1132
           (space_implode "\n" (map snd code))
berghofe@17144
  1133
       | SOME fname =>
berghofe@17144
  1134
           if lib then
berghofe@17144
  1135
             app (fn (name, s) => File.write
wenzelm@21858
  1136
                 (Path.append (Path.explode fname) (Path.basic (name ^ ".ML"))) s)
berghofe@17144
  1137
               (("ROOT", implode (map (fn (name, _) =>
berghofe@17144
  1138
                   "use \"" ^ name ^ ".ML\";\n") code)) :: code)
wenzelm@21858
  1139
           else File.write (Path.explode fname) (snd (hd code)));
berghofe@17144
  1140
           if lib then thy
wenzelm@17412
  1141
           else map_modules (Symtab.update (module, gr)) thy)
berghofe@17144
  1142
     end));
berghofe@17144
  1143
berghofe@17144
  1144
val code_libraryP =
berghofe@17144
  1145
  OuterSyntax.command "code_library"
berghofe@17144
  1146
    "generates code for terms (one structure for each theory)" K.thy_decl
berghofe@17144
  1147
    (parse_code true);
berghofe@17144
  1148
berghofe@17144
  1149
val code_moduleP =
berghofe@17144
  1150
  OuterSyntax.command "code_module"
berghofe@17144
  1151
    "generates code for terms (single structure, incremental)" K.thy_decl
berghofe@17144
  1152
    (parse_code false);
berghofe@11520
  1153
berghofe@14105
  1154
val params =
berghofe@14105
  1155
  [("size", P.nat >> (K o set_size)),
berghofe@14105
  1156
   ("iterations", P.nat >> (K o set_iterations)),
berghofe@14105
  1157
   ("default_type", P.typ >> set_default_type)];
berghofe@14105
  1158
wenzelm@24022
  1159
val parse_test_params = P.short_ident :|-- (fn s =>
wenzelm@24022
  1160
  P.$$$ "=" |-- (AList.lookup (op =) params s |> the_default Scan.fail));
berghofe@14105
  1161
berghofe@14105
  1162
fun parse_tyinst xs =
wenzelm@16458
  1163
  (P.type_ident --| P.$$$ "=" -- P.typ >> (fn (v, s) => fn thy =>
wenzelm@22680
  1164
    fn (x, ys) => (x, (v, Sign.read_typ thy s) :: ys))) xs;
berghofe@14105
  1165
berghofe@14105
  1166
val test_paramsP =
berghofe@14105
  1167
  OuterSyntax.command "quickcheck_params" "set parameters for random testing" K.thy_decl
berghofe@14105
  1168
    (P.$$$ "[" |-- P.list1 parse_test_params --| P.$$$ "]" >>
berghofe@14105
  1169
      (fn fs => Toplevel.theory (fn thy =>
berghofe@24456
  1170
         map_test_params (Library.apply (map (fn f => f thy) fs)) thy)));
berghofe@14105
  1171
berghofe@14105
  1172
val testP =
berghofe@14105
  1173
  OuterSyntax.command "quickcheck" "try to find counterexample for subgoal" K.diag
berghofe@14105
  1174
  (Scan.option (P.$$$ "[" |-- P.list1
wenzelm@16458
  1175
    (   parse_test_params >> (fn f => fn thy => apfst (f thy))
berghofe@14105
  1176
     || parse_tyinst) --| P.$$$ "]") -- Scan.optional P.nat 1 >>
berghofe@24565
  1177
    (fn (ps, g) => Toplevel.keep (fn st => Toplevel.proof_of st |>
berghofe@24565
  1178
      test_goal false (Library.apply (the_default []
berghofe@24565
  1179
          (Option.map (map (fn f => f (Toplevel.theory_of st))) ps))
berghofe@24565
  1180
        (get_test_params (Toplevel.theory_of st), [])) g [] |>
berghofe@24565
  1181
      pretty_counterex (Toplevel.context_of st) |> Pretty.writeln)));
berghofe@14105
  1182
berghofe@17549
  1183
val valueP =
berghofe@17549
  1184
  OuterSyntax.improper_command "value" "read, evaluate and print term" K.diag
berghofe@17549
  1185
    (P.term >> (Toplevel.no_timing oo print_evaluated_term));
berghofe@17549
  1186
berghofe@17144
  1187
val _ = OuterSyntax.add_keywords ["attach", "file", "contains"];
berghofe@16769
  1188
wenzelm@15801
  1189
val _ = OuterSyntax.add_parsers
berghofe@17549
  1190
  [assoc_typeP, assoc_constP, code_libraryP, code_moduleP, test_paramsP, testP, valueP];
berghofe@11520
  1191
berghofe@11520
  1192
end;